CN114013511B - Trailer - Google Patents
Trailer Download PDFInfo
- Publication number
- CN114013511B CN114013511B CN202111426333.7A CN202111426333A CN114013511B CN 114013511 B CN114013511 B CN 114013511B CN 202111426333 A CN202111426333 A CN 202111426333A CN 114013511 B CN114013511 B CN 114013511B
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- longitudinal
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- angle
- angle steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 171
- 239000010959 steel Substances 0.000 claims abstract description 171
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 72
- 239000000725 suspension Substances 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims description 53
- 230000000149 penetrating effect Effects 0.000 claims description 52
- 238000004080 punching Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 210000000481 breast Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides a trailer, includes four head and tail connect gradually and enclose into rectangular frame column structure's boundary beam, be equipped with two longerons, a plurality of crossbeam that are the straight line array distribution along the fore-and-aft direction that are horizontal parallel distribution in the boundary beam. The beneficial effects are as follows: the side beam and the cross beam are provided with a plurality of through holes, a plurality of groups of reinforcing members are arranged between the two side beams, the bottom of the side beam is provided with an angle beam, the angle beam and the side beam are connected with an axle through a suspension assembly, and angle steel and reinforcing members are arranged between the angle beam and the side beam, between the two side beams and between the side beam and the reinforcing members.
Description
Technical Field
The invention relates to the field of truck accessories, in particular to a trailer.
Background
The trailer of the truck is used for connecting the truck with the container, namely, the container is carried above the trailer, and then the trailer is connected with the truck. The performance of trailer mainly shows in two aspects, and firstly the intensity of trailer, secondly the weight of trailer, the intensity of trailer is the greater, just stronger, and the weight is lighter, under the condition of adopting the same material, just relatively more save cost and reduce the oil consumption in the transportation, pull more goods under the condition that freight train limit weight is the same, improve the freight rate. However, in the prior art, strength and weight are theoretically proportional, and light weight and high strength cannot be achieved.
Disclosure of Invention
The invention aims to solve the problems, and designs a trailer. The design idea is as follows: the truck does not need to increase the strength at all the positions, in the form process, only the strength requirement of partial positions is relatively large, and when the truck is designed, a light frame can be integrally adopted, such as punching holes on sectional materials or adopting C-shaped steel, I-shaped steel and rectangular solid steel columns of a rectangular steel bag body, and then in the integral frame, the strength is increased at the positions needing to be increased in the form of angle steel and reinforcing parts.
The specific design scheme is as follows:
The utility model provides a trailer, includes four head and tail connect gradually and enclose into rectangular frame column structure's boundary beam, be equipped with in the rectangular frame column structure about two longerons of parallel distribution, a plurality of along the front and back direction be the crossbeam of straight line array distribution, both ends around the longeron with boundary beam fixed connection, a plurality of that are the straight line array distribution around the crossbeam runs through two longeron and both ends respectively with the boundary beam fixed connection of left and right sides, be equipped with a plurality of through-holes on longeron, the crossbeam, two be equipped with multiunit reinforcement between the longeron, the bottom of longeron is equipped with the horn, the longeron passes through suspension assembly and is connected with the axletree, between crossbeam and the longeron, two between longeron the longeron between longeron and the boundary beam all be equipped with angle steel, the reinforcement that is used for increasing intensity between longeron and the suspension assembly, the longeron is "Z" shape structure.
The lower part radial cross-section of boundary beam is "C" shape structure, the upper edge of boundary beam is equipped with L shape structure's arch, and the boundary beam is used for connecting other pieces of purchasing of trailer carriage, like the stand of breast board car and storehouse fence car, breast board and bottom plate etc. still like van, be equipped with a plurality of bolt holes on the arch, bellied buckling is the shape of laminating with the top carrier, protruding with the boundary beam can be the integrated structure of one shot forming, plays waterproof, increase intensity's effect, be equipped with a plurality of mounting grooves on the boundary beam, the mounting groove is used for installing the stand of railway carriage, a plurality of the mounting groove is followed the axial direction of boundary beam is sharp array distribution, the radial cross-section of mounting groove is "C" shape structure, the mounting groove from the top down imbeds in the boundary beam, every mounting groove all is equipped with a fourth reinforcement rather than corresponding, fourth reinforcement and boundary beam welded connection, fourth reinforcement and mounting groove are located respectively the both sides of boundary beam lateral wall.
The side beam is characterized in that a fifth reinforcing piece and a second angle steel are connected between two adjacent side beams, the two adjacent side beams are of an L-shaped structure, the fifth angle steel is located on the inner side of the L-shaped structure, the second angle steel is located on the outer side of the L-shaped structure, the second angle steel is a wrap angle steel which is bent through a metal plate and is of an L-shaped structure, the fifth reinforcing piece and the second angle steel are all connected with the side beams through bolts, a tenth angle steel is connected between the fifth reinforcing piece and the side beams, the tenth angle steel is located in a rectangular space surrounded by a longitudinal beam, two adjacent side beams and a beam at the top end or the tail end, the tenth angle steel is L-shaped steel, two ends of the tenth angle steel are connected with the fifth reinforcing piece and the longitudinal beam through bolts, the first reinforcing piece and the second reinforcing piece are welded between the two strip steel, one of the fifth reinforcing piece and the C-shaped beam are embedded into the second reinforcing piece and are connected with the second reinforcing piece through bolts, and the second reinforcing piece through bolts are sequentially fixed on the side beams, and the side beams are sequentially connected with the side beams through bolts, and the side beams through nuts are sequentially welded on the side beams.
The joint of the cross beam and the side beam is connected with a third reinforcing piece which is in an L-shaped structure, the edge of the third reinforcing piece is bent to be perpendicular to the third reinforcing piece, the third reinforcing piece is embedded into the side beam, the edge of the third reinforcing piece is connected with the side surface and the bottom surface of the side beam through bolts, the third reinforcing piece is connected with the cross beam through bolts,
The cross beam comprises a penetrating cross beam and a broken cross beam, the penetrating cross beam and the broken cross beam are distributed in a staggered way,
The top and the bottom of the longitudinal beam are bent in the horizontal direction, a ninth angle steel is arranged on the side wall of the longitudinal beam and is connected with the longitudinal beam through bolts,
The two ends of the penetrating beam are connected with the side beams through third reinforcing pieces, the middle part of the penetrating beam penetrates through the longitudinal beams, punching holes are formed in the longitudinal beams and used for penetrating through the longitudinal beams, meanwhile, the lower part of the ninth angle steel also affects the penetrating beam, the lower part of the broken beam needs to cut grooves matched with the top surface of the penetrating beam, the front side and the rear side of the penetrating beam are connected with the longitudinal beams through fourth angle steel, the horizontal section of the fourth angle steel is of an inverted L-shaped structure, the outer sides of the two sides of the L-shaped structure are respectively connected with the longitudinal beams and the penetrating beam through bolts, the radial section of the penetrating beam is of an I-shaped structure or a C-shaped structure, the penetrating beam is also connected with the longitudinal beams through a sixth reinforcing piece, the horizontal section of the sixth reinforcing piece is of a T-shaped structure, the penetrating beam penetrates through the sixth reinforcing piece and the longitudinal beams sequentially, the two sides of the T-shaped structure are respectively connected with one side of the longitudinal beams and one side of the other side of the penetrating beam through bolts, the two sides of the four sides of the penetrating beam are respectively connected with the fourth side bolts,
Each cross beam comprises three broken cross beams, the three broken cross beams are respectively located in gaps between the left side beam and the right side beam and the two longitudinal beams, the broken cross beams located between the side beams and the longitudinal beams are connected with one end of each broken cross beam through the fifth angle steel, the radial cross section of each broken cross beam is of a C-shaped structure, the inner angle side of the fifth angle steel is welded with the side end of each broken cross beam, the outer angle side of the fifth angle steel is connected with the longitudinal beams through bolts, and the top surface of each broken cross beam is carried on the top surface of the fifth angle steel.
The top surface of the penetrating beam 'worker' or 'C' -shaped structure is used for carrying the box above, and in order to ensure the structural design, the position of the penetrating beam penetrating through the longitudinal beam is sunken downwards.
The suspension assembly comprises a buffer piece, a guide arm and a suspension bracket, wherein two ends of the guide arm are respectively connected with the suspension bracket and the buffer piece, the middle part of the guide arm is carried on an axle, the guide arm is connected with the axle through a U-shaped bolt, the top of the suspension bracket is fixedly connected with a longitudinal beam and the bottom of the angle beam, a sixth angle steel is connected between the longitudinal beam and the buffer piece of the suspension assembly, two ends of the sixth angle steel are bent and perpendicular to a body, two ends of the sixth angle steel are bent and perpendicular to each other, two ends of the sixth angle steel are respectively connected with side walls of the longitudinal beam and top bolts of the buffer piece, two ends of a first lining beam are connected with the sixth angle steel on two longitudinal beams, two ends of the first lining beam are connected with the body bolts of the sixth angle steel, a mounting plate is further connected between the buffer piece, the bottom surface of the mounting plate is in an L-shaped structure, the top surface of the mounting plate is connected with the sixth angle steel, and the side surface of the mounting plate is connected with the longitudinal beam.
The lower part of longeron is buckled and is the horizontal direction, the outer angle side of angle beam with longeron bottom agrees, be connected with the seventh angle steel between angle beam and the longeron, the seventh angle steel with bolted connection between angle beam, the longeron, the bolt runs through seventh angle steel, angle beam, longeron or bolt run through seventh angle steel, longeron, the seventh angle steel provides the support for the axletree spacing.
The novel buffer device is characterized in that a first lining beam, a second lining beam and a third lining beam are arranged between the longitudinal beams, the radial sections of the first lining beam and the second lining beam are of a C-shaped structure, the two ends of the second lining beam are connected with a hanging bracket, two eighth steel angles symmetrical along the left and right vertical sections are arranged on the longitudinal beams, one side outer side of each eighth steel angle is connected with a longitudinal beam bolt, the middle part of the second lining beam is fixedly connected with a fourth lining beam through a bolt between the middle part of the second lining beam and the inner side of the other side of each eighth steel angle, the two longitudinal beams are connected with each other through two eleventh steel angles, the two ends of the first lining beam are connected with two longitudinal beam bolts, the radial section of the first lining beam is of an inverted basin-shaped structure, a buffer part is connected with the first lining beam through a third steel channel, the two ends of the third steel are embedded into the bottom of the first lining beam and are connected with the bottom of the first lining beam through a U-shaped structure, and the buffer part is connected with the bottom of the mounting plate through a U-shaped structure.
The longitudinal beam comprises a first longitudinal beam, one end of the first longitudinal beam is fixedly connected with one end of an extension rib, the other end of the first longitudinal beam is connected with side beams at the front end and the rear end of the extension rib respectively, the extension rib is of an I-shaped structure, the top surface of the extension rib and the top surface of the first longitudinal beam are located on the same horizontal plane, the head end of the top surface of the extension rib is embedded into the lower portion of the top of the first longitudinal beam and is fixed through bolts, and the side wall of the extension rib is connected with the side wall of the first longitudinal beam through bolts after being embedded.
The longitudinal beam comprises a second longitudinal beam, a reinforcing web plate and a reinforcing bottom plate are arranged at the bottom of a variable cross-section transition area of the second longitudinal beam, the reinforcing web plate and the reinforcing bottom plate are welded integrally to form an inverted T-shaped structure, and the side end of the reinforcing web plate is connected with the side end of the second longitudinal beam and the reinforcing bottom plate is connected with the bottom of the second longitudinal beam through bolts.
The fifth reinforcement comprises a first channel steel and a second channel steel, the first channel steel is installed at the rear end of the side beam, the second channel steel is installed at the front end of the side beam, the second channel steel is of a U-shaped structure, the tail end of the U-shaped structure is bent and then connected with the side beam through bolts, through holes are formed in two sides of the U-shaped structure of the second channel steel and are used for reducing weight, bolts sequentially penetrate through the second angle steel, the side beam and the second channel steel and are fixed through nuts, the rear end of the first channel steel is connected with the side beam through bolts, and the side end of the first channel steel is connected with the installation groove through welding.
The trailer obtained by the technical scheme of the invention has the beneficial effects that:
The weight of the trailer is reduced, more goods can be pulled under the same condition, or oil consumption is saved. And a plurality of reinforcing parts and angle steel are arranged on the vehicle body, so that the strength of the vehicle body is ensured.
Drawings
FIG. 1 is a schematic illustration of the construction of a trailer according to the present invention;
FIG. 2 is a schematic top view of a trailer according to the present invention;
FIG. 3 is a schematic side view of the stringer of the present invention;
FIG. 4 is a schematic view of the construction of the suspension assembly of the present invention;
FIG. 5 is a schematic side elevational view of the suspension assembly of the present invention;
FIG. 6 is a schematic view of the structure of the junction of the side rail and the longitudinal and transverse beams according to the present invention;
FIG. 7 is a schematic view of the connection of the through cross beam to the side rail and the side rail according to the present invention;
FIG. 8 is a schematic view of the second and fourth liner beams and stringers and hanger bracket of the present invention;
FIG. 9 is a schematic view of the structure of the junction between two adjacent side rails according to the present invention;
FIG. 10 is a schematic view of the structure of the side sill of the present invention;
FIG. 11 is a schematic view of the structure of a sixth reinforcement member according to the present invention;
FIG. 12 is a schematic view of the structure of the present invention wherein the through-going cross member is connected to the stringers by a sixth reinforcement;
FIG. 13 is a schematic view of the structure of the first stringer of the present invention connected by a first liner beam;
FIG. 14 is a schematic view of the construction of one side of the second stringer of the present invention;
FIG. 15 is a schematic view of the structure of the other side of the second stringer of the present invention;
FIG. 16 is a schematic view of the structure of the damper of the present invention connected to a first liner beam by a third channel, mounting plate;
In the figure, 1, side beams; 2. a longitudinal beam; 3. a cross beam; 4. extending ribs; 5. an angle beam; 6. an axle; 7. a protrusion; 8. a mounting groove; 9. a fourth reinforcement; 10. a fifth reinforcement; 11. a second angle steel; 12. tenth angle steel; 13. a first reinforcement; 14. a second reinforcement; 15. a third reinforcement; 16. penetrating through the cross beam; 17. breaking the cross beam; 18. a through hole; 19. ninth angle steel; 20. fourth angle steel; 21. fifth angle steel; 22. a buffer member; 23. a guide arm; 24. a hanging bracket; 25. a fourth liner beam; 26. a sixth angle steel; 27. seventh angle steel; 28. a first liner beam; 29. a second liner beam; 30. a third liner beam; 31. eighth angle steel; 32. a first channel steel; 33. a second channel steel; 34. a first stringer; 35. a second stringer; 36. reinforcing webs; 37. reinforcing the bottom plate; 38. a sixth reinforcement; 39. a third channel steel; 40. a mounting plate; 41. eleventh angle steel.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a trailer, includes four head and tail connect gradually and enclose into the boundary beam 1 of rectangle frame column structure, be equipped with in the rectangle frame column structure about two longerons 2 of parallel distribution, a plurality of along the fore-and-aft direction be straight line array distribution's crossbeam 3, the fore-and-aft both ends of longeron 2 with boundary beam 1 fixed connection is a plurality of straight line array distribution around being crossbeam 3 runs through two longeron 2 and both ends respectively with the boundary beam 1 fixed connection of left and right sides, be equipped with a plurality of through-holes 18 on longeron 2, the crossbeam 3, two be equipped with multiunit reinforcement between longeron 2, the bottom of longeron 2 is equipped with angle beam 5, longeron 2 are connected with axletree 6 through suspension assembly, between crossbeam 3 and longeron 2, two between longeron 2 and boundary beam 1 all be equipped with between longeron 2 and the suspension assembly and be used for increasing angle steel, reinforcement of trailer intensity, longeron 2 is "Z" shape structure.
The lower part radial cross section of boundary beam 1 is "C" shape structure, the upper edge of boundary beam 1 is equipped with L shape structure's protruding 7, and the boundary beam is used for connecting other pieces of purchasing of trailer carriage, like the stand of breast board car and storehouse fence car, breast board and bottom plate etc. still like van, be equipped with a plurality of bolt holes on protruding 7, protruding 7 buckle be the shape of laminating with the top carrier, protruding 7 with boundary beam 1 can be the integrated structure of one-time cold rolling shaping, plays waterproof, increase intensity's effect, be equipped with a plurality of mounting grooves 8 on the boundary beam 1, mounting groove 8 is used for the stand of carriage, a plurality of mounting groove 8 are followed the axial direction of boundary beam 1 is sharp array distribution, mounting groove 8's radial cross section is "C" shape structure, mounting groove from the top down is embedded into boundary beam 1 in, and every mounting groove 8 all is equipped with a fourth reinforcement 9 rather than corresponding, fourth reinforcement 9 is connected with boundary beam 1, fourth reinforcement and mounting groove 8 are located respectively the both sides of boundary beam 1.
A fifth reinforcing piece 10 and a second angle steel 11 are connected between two adjacent side beams 1 of the side beam 1, the two adjacent side beams 1 are of an L-shaped structure, the fifth reinforcing piece 10 is positioned at the inner side of the L-shaped structure, the second angle steel 11 is positioned at the outer side of the L-shaped structure, the second angle steel 11 is wrap angle steel with a metal plate bent to form the L-shaped structure, the fifth reinforcing piece 10 and the second angle steel 11 are connected with the side beam 1 through bolts, a tenth angle steel 12 is connected between the fifth reinforcing piece 10 and the side beam 2, the tenth angle steel 12 is positioned in a rectangular space surrounded by the side beam 2, two adjacent side beams 1 and a cross beam 3 positioned at the foremost end or the foremost end, the tenth angle steel 12 is L-shaped steel, two ends of the tenth angle steel 12 are connected with the fifth reinforcing piece 10 and the side beam 2 through bolts, the side beam 1 is equipped with first reinforcement 13, second reinforcement 14 with the junction of longeron 2, first reinforcement 13 is two strip steel, two welded connection between the strip steel, one strip steel imbeds in the "C" shape structure of boundary beam 1 and with boundary beam 1 fixed connection, the lateral wall of another strip steel and the lateral wall bolted connection of longeron 2, first reinforcement 13, second reinforcement 14 are located respectively the both sides of longeron 2, and the bolt runs through in proper order first reinforcement 13, longeron 2, second reinforcement 14 and through the nut is fixed, in the bolted connection of second angle steel 11 and longeron 2, the bolt runs through in proper order fifth reinforcement 10, first reinforcement 13 and through the nut is fixed, first reinforcement 13 through mounting groove 8 with boundary beam 1 welded connection.
The C-shaped structural design of the side beam 1 can effectively reduce the weight and the production cost and the transportation load of the trailer. The connection points of the rectangular structure enclosed by the side beams 1, the cross beams 3 and the longitudinal beams 2 are respectively fixed through a fifth reinforcing piece 10, a second angle steel 11 and a first reinforcing piece 13, the strength of the connection points is improved through the establishment of a support, meanwhile, a middle lining is established in the rectangular structure through a tenth angle steel 12, and the connection points are connected with the support structure established by the first reinforcing piece 13 through a second reinforcing piece 14, so that the strength is further improved.
The joint of the crossbeam 3 and the boundary beam 1 is connected with a third reinforcement 15, the third reinforcement 15 is in an L-shaped structure, the edge of the third reinforcement 15 is bent and perpendicular to the third reinforcement 15, the third reinforcement 15 is embedded into the boundary beam 1, the edge of the third reinforcement 15 is connected with the side surface and the bottom surface of the boundary beam 1 through bolts, the third reinforcement 15 is connected with the crossbeam 3 through bolts,
The cross beam 3 comprises a penetrating cross beam 16 and a broken cross beam 17, the penetrating cross beam 16 and the broken cross beam 17 are distributed in a staggered way,
The top and the bottom of the longitudinal beam 2 are bent in the horizontal direction, a ninth angle steel 19 is arranged on the side wall of the longitudinal beam 2, the ninth angle steel 19 is connected with the longitudinal beam 2 through bolts,
The two ends of the penetrating beam 16 are connected with the side beam 1 through a third reinforcing member 15, the middle part of the penetrating beam 16 penetrates through the longitudinal beam 2, the penetrating beam 2 is punched and used for penetrating through the penetrating beam 16, meanwhile, the lower part of the ninth angle steel 19 also affects the penetrating beam 16, the lower part of the broken beam 19 needs to cut a groove matched with the top surface of the penetrating beam 16, the front side and the rear side of the penetrating beam 16 are connected with the longitudinal beam 2 through fourth angle steel 20, the horizontal section of the fourth angle steel 20 is in an inverted L-shaped structure, the outer sides of the two sides of the fourth angle steel 20 in the L-shaped structure are respectively connected with the longitudinal beam 2 and the penetrating beam 16 through bolts, the radial section of the penetrating beam 16 is in an I-shaped or C-shaped structure, the penetrating beam 16 is also connected with the longitudinal beam 2 through a sixth reinforcing member 38, the horizontal section of the penetrating beam 16 is in a T-shaped structure, the penetrating beam 16 sequentially penetrates through the sixth reinforcing member 38 and the longitudinal beam 2, the two sides of the sixth reinforcing member 38 are respectively connected with one side of the two sides of the penetrating beam 16 through the four sides of the penetrating beam 20,
Each cross beam 3 comprises three broken cross beams 17, the three broken cross beams 17 are respectively located in gaps between the left side beam and the right side beam and the two longitudinal beams 2, the broken cross beams 17 located between the side beams 1 and the longitudinal beams 2 are connected with the longitudinal beams 2 through fifth angle steels 21, the radial cross sections of the broken cross beams 17 are of C-shaped structures, the inner angle sides of the fifth angle steels 21 are connected with the side ends of the broken cross beams 17 in a welding mode, the outer angle sides of the fifth angle steels 21 are connected with the longitudinal beams 2 in a bolt mode, and the top surfaces of the broken cross beams 17 are carried on the top surfaces of the fifth angle steels 21.
The top surface of the through cross beam 16 is used for carrying a box above, and in order to ensure the structural design, the position of the through cross beam 16 penetrating through the longitudinal beam 2 is recessed downwards.
The cross beam 17 has a smaller and lighter cross-sectional moment of inertia than the through beam 16, and both have advantages and disadvantages, if the through beam 16 is adopted, excessive punching holes are needed on the upper part of the side wall of the longitudinal beam 2, the position is the connection part between the longitudinal beam 2 and the cross beam 3, the strength of the longitudinal beam 2 can be influenced by the through holes after punching, and the through beam 16 can be reinforced by a sixth reinforcing member, but the through beam 16 of the whole structure has higher strength. The broken cross beam 17 is divided into multiple sections, the integrity of the longitudinal beam 2 can be guaranteed, the strength of the important position of the longitudinal beam can be guaranteed, the whole broken cross beam 17 is lighter, the buffer capacity of the cross beam 3 can be increased due to the carrying structure of the broken cross beam 17 and the fifth angle steel 21, but the strength of the broken cross beam 17 is lower than that of the through cross beam 16, and the strength of the cross beam 3 and the strength of the longitudinal beam 2 can be comprehensively coordinated by adopting the through cross beam 16 and the broken cross beam 17.
When the box above the trailer is installed, the top surfaces of the penetrating beam 16, the breaking beam 17, the bulges 7, the auxiliary beams 19 and the longitudinal beams 2 are ensured to be positioned on the same horizontal plane, so that the bearing can be uniform.
The suspension assembly comprises a buffer piece 22, a guide arm 23 and a suspension bracket 24, wherein two ends of the guide arm 23 are respectively connected with the suspension bracket 24 and the buffer piece 22, the middle part of the guide arm 23 is carried on an axle 6, the guide arm 23 is connected with the axle 6 through a U-shaped bolt, the top of the suspension bracket 24 is fixedly connected with the bottom of a longitudinal beam 2 and a corner beam 5, a sixth angle steel 26 is connected between the longitudinal beam 2 and the buffer piece 22 of the suspension assembly, two ends of the sixth angle steel 26 are bent to be perpendicular to a body, two ends of the sixth angle steel 26 are bent to be perpendicular to each other, two ends of the sixth angle steel 26 are respectively connected with the side wall of the longitudinal beam 2 and the top of the buffer piece 22, two ends of a first lining beam 28 are connected with the sixth angle steel 26 through a U-shaped bolt, a 40 is further connected between the sixth angle steel 26 and the buffer piece 22, the 40 is in an L-shaped bottom surface structure, and the top surface of the buffer piece 22 is connected with the mounting plate 40, and the mounting plate 40 is connected with the top surface of the sixth angle steel 26.
The buffer member 22 and the suspension bracket 24 are respectively arranged at two ends of the suspension assembly, and are respectively and fixedly connected with the angle beam 5 and the longitudinal beam 2, and the longitudinal beam is fixedly connected with the angle beam 5, so that the impact on the frame is reduced to the greatest extent on the premise of not influencing the operation of the buffer assembly.
The lower part of the longitudinal beam 2 is bent to be in a horizontal direction, the outer corner side of the corner beam 5 is matched with the bottom of the longitudinal beam 2, a seventh angle steel 27 is connected between the corner beam 5 and the longitudinal beam 2, the seventh angle steel 27 is connected with the corner beam 5 and the longitudinal beam 2 through bolts, the bolts penetrate through the seventh angle steel 27, the corner beam 5 and the longitudinal beam 2 or the bolts penetrate through the seventh angle steel 27 and the longitudinal beam 2, and the seventh angle steel 27 provides support for limiting an axle.
The two longitudinal beams 2 are provided with a first lining beam 28, a second lining beam 29 and a third lining beam 30, the radial sections of the first lining beam 28 and the second lining beam 29 are of a C-shaped structure, two ends of the second lining beam 29 are connected with a suspension bracket 24, two eighth steel 31 symmetrical along the left-right vertical section are installed on the longitudinal beams 2, one lateral side of each eighth steel 31 is connected with the longitudinal beams 2 through bolts, a fourth lining beam 25 is fixedly connected between the middle part of each second lining beam 29 and the inner side of the other lateral side of each eighth steel 31 through bolts, two longitudinal beams 2 are connected through two eleventh steel 41, the two eleventh steel 41 are in an X-shaped structure in a staggered mode, two ends of each first lining beam 28 are connected with the corresponding longitudinal beams 2 through bolts, the radial section of each first lining beam 28 is of an inverted basin-shaped structure, a buffer member 22 is connected with each first lining beam 28 through a third channel 39, the third channel steel 39 is of a U-shaped structure, the third channel steel 39 is connected with the bottom surface of each mounting plate 40 through bolts, and the bottom of each buffer member 40 is connected with the mounting plate 40.
The first lining beam 28, the second lining beam 29, the third lining beam 30 and the eleventh angle steel 41 have the functions of connecting two longitudinal beams, guaranteeing the strength, guaranteeing the synchronism between the two longitudinal beams 2, especially when the buffer assembly acts, and the fourth lining beam 25 is obliquely arranged and connected with the second lining beam 29 and the longitudinal beams 2, so that a triangle structure is integrally formed, and the eleventh angle steel 41 has an X-shaped structure, and the strength is increased.
The longitudinal beam 2 comprises a first longitudinal beam 34, one end of the first longitudinal beam 34 is fixedly connected with one end of an extension rib 4, the other end of the first longitudinal beam 34 is connected with side beams 1 at the front end and the rear end of the extension rib 4 respectively, the extension rib 4 is of an I-shaped structure, the top surface of the extension rib 4 and the top surface of the first longitudinal beam 34 are located on the same horizontal plane, the head end of the top surface of the extension rib 4 is embedded into the lower portion of the top of the first longitudinal beam 34 and is fixed through bolts, and the side wall of the extension rib 4 is connected with the side wall of the first longitudinal beam 34 through bolts after being inserted.
The longitudinal beam 2 comprises a second longitudinal beam 35, wherein a reinforcing web plate 36 and a reinforcing bottom plate 37 are arranged at the bottom of a variable cross-section transition area of the second longitudinal beam 35, the reinforcing web plate 36 and the reinforcing bottom plate 37 are welded together to form an inverted T-shaped structure, and the side ends of the reinforcing web plate 36 are connected with the side ends of the second longitudinal beam 35 and the reinforcing bottom plate 37 is connected with the bottom of the second longitudinal beam 35 through bolts.
The first longitudinal beam and the second longitudinal beam are not different in function, the selection of the first longitudinal beam and the second longitudinal beam depends on the production capacity, the production cost of the first auxiliary class is high, the production process is relatively traditional, the production difficulty is low, the production difficulty of the second longitudinal beam is high, and the production cost is low if the second longitudinal beam can be produced.
The fifth reinforcement 10 comprises a first channel steel 32 and a second channel steel 33, the first channel steel 32 is installed at the rear end of the side beam, the second channel steel 33 is installed at the front end of the side beam 33, the second channel steel 33 is of a U-shaped structure, the tail end of the U-shaped structure is bent and then is connected with the side beam 1 through bolts, through holes are formed in two sides of the U-shaped structure of the second channel steel 33 and are used for reducing weight, the bolts sequentially penetrate through the second angle steel 11, the side beam 1 and the second channel steel 33 and are fixed through nuts, the rear end of the first channel steel 32 is connected with the side beam 1 through bolts, and the side end of the first channel steel 32 is connected with the mounting groove 8 through welding.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (7)
1. The utility model provides a trailer, includes four boundary beams (1) that the end-to-end connects gradually and encloses into rectangular frame form structure, is equipped with two longerons (2) that are left and right sides parallel distribution in the rectangular frame form structure, a plurality of crossbeam (3) that are the straight line array distribution along the fore-and-aft direction, the fore-and-aft both ends of longeron (2) with boundary beam (1) fixed connection of boundary beam (1) that are the straight line array distribution around, a plurality of crossbeam (3) run through two longeron (2) and both ends respectively with boundary beam (1) fixed connection of left and right sides, characterized in that, be equipped with a plurality of through-holes (18) on longeron (2), crossbeam (3), be equipped with multiunit reinforcement between two longeron (2), the bottom of longeron (2) is equipped with angle beam (5), longeron (2) are connected with axletree (6) through suspension assembly, between crossbeam (3) and longeron (2), two longeron (2) between, between longeron (2) and boundary beam (1) respectively, be equipped with between longeron (2) and suspension assembly and be used for increasing the reinforcement that is "Z" is the shape structure,
The connecting part of the cross beam (3) and the boundary beam (1) is connected with a third reinforcing piece (15), the third reinforcing piece (15) is of an L-shaped structure, the edge of the third reinforcing piece (15) is bent to be perpendicular to the third reinforcing piece (15), the third reinforcing piece (15) is embedded into the boundary beam (1), the edge of the third reinforcing piece (15) is connected with the side surface and the bottom surface of the boundary beam (1) through bolts, the third reinforcing piece (15) is connected with the cross beam (3) through bolts,
The cross beam (3) comprises a penetrating cross beam (16) and a breaking cross beam (17), the penetrating cross beam (16) and the breaking cross beam (17) are distributed in a staggered way,
The top and the bottom of the longitudinal beam (2) are bent to be in the horizontal direction, a ninth angle steel (19) is arranged on the side wall of the longitudinal beam (2), the ninth angle steel (19) is connected with the longitudinal beam (2) through bolts,
The two ends of the penetrating beam (16) are connected with the side beams (1) through third reinforcing pieces (15), the middle part of the penetrating beam (16) penetrates through the longitudinal beams (2), punching holes are formed in the longitudinal beams (2) and used for penetrating through the penetrating beam (16), meanwhile, the lower part of the ninth angle steel (19) can also affect the penetrating beam (16), grooves matched with the top surface of the penetrating beam (16) are needed to be cut at the lower part of the penetrating beam (19), the front side and the rear side of the penetrating beam (16) are connected with the longitudinal beams (2) through fourth angle steels (20), the horizontal cross section of the fourth angle steels (20) is of an inverted L-shaped structure, the outer sides of the two sides of the fourth angle steels (20) are respectively connected with the longitudinal beams (2) and the penetrating beam (16) through bolts, the radial cross section of the penetrating beam (16) is of an I-shaped structure or a C-shaped structure, the penetrating beam (16) is also connected with the longitudinal beams (2) through sixth reinforcing pieces (38), the horizontal cross section of the sixth reinforcing pieces (38) is connected with the two sides of the longitudinal beams (2) through the sixth reinforcing pieces (38) in sequence, the other side of the penetrating beam (16) is connected with the fourth angle steel (20) through bolts,
Each cross beam (3) comprises three broken cross beams (17), the three broken cross beams (17) are respectively positioned in gaps between the left side beam and the right side beam and the two longitudinal beams (2), the broken cross beams (17) positioned between the side beams (1) and the longitudinal beams (2) are connected with the longitudinal beams (2) through fifth angle steel (21) at one end, the radial cross section of each broken cross beam (17) is of a C-shaped structure, the inner angle side of the fifth angle steel (21) is welded with the side end of each broken cross beam (17), the outer angle side of each fifth angle steel (21) is connected with the corresponding longitudinal beam (2) through bolts, the top surface of each broken cross beam (17) is carried on the top surface of each fifth angle steel (21),
The top surface of the through cross beam (16) is used for carrying a box body above, in order to ensure the structural design, the position of the through cross beam (16) penetrating through the longitudinal beam (2) is recessed downwards,
The suspension assembly comprises a buffer member (22), a guide arm (23) and a suspension bracket (24), wherein two ends of the guide arm (23) are respectively connected with the suspension bracket (24) and the buffer member (22), the middle part of the guide arm (23) is carried on an axle (6), the guide arm (23) is connected with the axle (6) through a U-shaped bolt, the top of the suspension bracket (24) is fixedly connected with the bottom of a longitudinal beam (2) and an angle beam (5), a sixth angle steel (26) is connected between the longitudinal beam (2) and the buffer member (22) of the suspension assembly, two ends of the sixth angle steel (26) are bent to be perpendicular to the body, two ends of the sixth angle steel (26) are respectively connected with the side wall of the longitudinal beam (2) and the top of the buffer member (22) through bolts, two ends of a first lining beam (28) are connected with the sixth angle steel (26) on two longitudinal beams (2), the cross section of the first lining beam (28) is in a C-shaped structure, two ends of the sixth angle steel (26) are connected with the body (40) through bolts, two ends of the sixth angle steel (26) are connected with the mounting plate (40), the bottom surface of the mounting plate (40) is connected with the buffer piece (22), the top surface of the mounting plate (40) is connected with the sixth angle steel (26), the side surface of the mounting plate (40) is connected with the longitudinal beam (2),
A first lining beam (28), a second lining beam (29) and a third lining beam (30) are arranged between the two longitudinal beams (2), the radial cross sections of the first lining beam (28) and the second lining beam (29) are of a C-shaped structure, the two ends of the second lining beam (29) are connected with the suspension bracket (24), two eighth angle steels (31) symmetrical along the left and right vertical cross sections are arranged on the longitudinal beams (2), one side outer side of each eighth angle steel (31) is connected with the longitudinal beam (2) through bolts, a fourth lining beam (25) is fixedly connected between the middle part of the second lining beam (29) and the inner side of the other side of each eighth angle steel (31) through bolts, the two longitudinal beams (2) are connected with each other through two eleventh angle steels (41), the two eleventh angle steels (41) are staggered to form an X-shaped structure, the two ends of each first lining beam (28) are connected with the two longitudinal beams (2) through bolts, the radial cross sections of the first lining beam (28) are of an inverted basin-shaped structure, the first lining beam (28) is connected with the third lining beam (39) through the U-shaped channel steel (39) through bolts, the third lining beam (28) is connected with the third lining beam (28), the bottom of third channel-section steel (39) is connected through mounting panel (40) between buffer (22), mounting panel (40) are "L" shape structure, the bottom surface of mounting panel (40) with buffer (22) are connected, the top surface of mounting panel (40) with third channel-section steel (39) are connected, the side of mounting panel (40) with longeron (2) are connected.
2. The trailer according to claim 1, wherein the radial cross section of the lower part of the side beam (1) is of a 'C' -shaped structure, the upper edge of the side beam (1) is provided with protrusions (7) of an L-shaped structure, the side beam is used for connecting other components of the trailer carriage, the protrusions (7) are provided with a plurality of bolt holes, the bends of the protrusions (7) are in a shape attached to an upper carrier, the protrusions (7) and the side beam (1) can be of an integral structure formed by one-time cold rolling, the functions of waterproofing and strength increasing are achieved, the side beam (1) is provided with a plurality of mounting grooves (8), the mounting grooves (8) are used for mounting upright posts of the carriage, a plurality of mounting grooves (8) are distributed in a linear array along the axial direction of the side beam (1), the radial cross section of each mounting groove (8) is of a 'C' -shaped structure, each mounting groove (8) is provided with a fourth reinforcing piece (9) corresponding to the protruding piece, and the fourth reinforcing piece (9) are embedded into the side beam (1) from top down, and the side beam (1) are welded on two sides of the side beam (1).
3. The trailer according to claim 1, wherein a fifth reinforcement (10) and a second angle (11) are connected between two adjacent side beams (1), the two adjacent side beams (1) are in an L-shaped structure, the fifth reinforcement (10) is located at the inner side of the L-shaped structure, the second angle (11) is located at the outer side of the L-shaped structure, the second angle (11) is a wrap angle steel bent by a metal plate and in an L-shaped structure, the fifth reinforcement (10) and the second angle (11) are connected with the side beams (1) through bolts, a tenth angle (12) is connected between the fifth reinforcement (10) and the side beams (2), the tenth angle (12) is located in a rectangular space surrounded by the side beams (2), two adjacent side beams (1), a beam (3) located at the foremost end or the most end, the tenth angle (12) is an L-shaped steel, the fifth reinforcement (10) and the side beams (2) are connected with the side beams (1) through bolts, the reinforcement (13) are connected with the side beams (2) through bolts, and the reinforcement (13) are sequentially arranged at two sides of the reinforcement (10) and the reinforcement (2) and the reinforcement (13) are connected with the reinforcement (2) through bolts in turn, the second reinforcement (14) is fixed through a nut, and the first reinforcement (13) is fixedly connected with the side beam (1) through the mounting groove (8).
4. The trailer according to claim 1, wherein the lower portion of the longitudinal beam (2) is bent in a horizontal direction, the outer corner side of the corner beam (5) is engaged with the bottom of the longitudinal beam (2), a seventh angle steel (27) is connected between the corner beam (5) and the longitudinal beam (2), the seventh angle steel (27) is connected with the corner beam (5) and the longitudinal beam (2) through bolts, the bolts penetrate through the seventh angle steel (27), the corner beam (5), the longitudinal beam (2) or the bolts penetrate through the seventh angle steel (27) and the longitudinal beam (2), and the seventh angle steel (27) provides support for axle limiting.
5. The trailer according to claim 1, wherein the longitudinal beam (2) comprises a first longitudinal beam (34), one end of the first longitudinal beam (34) is fixedly connected with one end of an extension rib (4), the other end of the first longitudinal beam (34) and the other end of the extension rib (4) are respectively connected with side beams (1) at the front end and the rear end, the extension rib (4) is in an 'I' -shaped structure, the top surface of the extension rib (4) and the top surface of the first longitudinal beam (34) are located on the same horizontal plane, the top surface head end of the extension rib (4) is embedded below the top of the first longitudinal beam (34) and is fixed through bolts, and the side wall of the extension rib (4) is connected with the side wall of the first longitudinal beam (34) through bolts after being inserted.
6. Trailer according to claim 1, wherein the longitudinal beams (2) comprise a second longitudinal beam (35), a reinforcing web (36) and a reinforcing bottom plate (37) are arranged at the bottom of a variable cross-section transition area of the second longitudinal beam (35), the reinforcing web (36) and the reinforcing bottom plate (37) are welded together to form an inverted T-shaped structure, and the side ends of the reinforcing web (36) are connected with the side ends of the second longitudinal beam (35) and the reinforcing bottom plate (37) is connected with the bottom of the second longitudinal beam (35) through bolts.
7. A trailer according to claim 3, wherein the fifth reinforcement (10) comprises a first channel steel (32) and a second channel steel (33), the first channel steel (32) is mounted at the rear end of the side beam, the second channel steel (33) is mounted at the front end of the side beam (1), the second channel steel (33) is in a 'U' -shaped structure, the tail end of the 'U' -shaped structure is bent and then is connected with the side beam (1) through bolts, through holes are formed in two sides of the 'U' -shaped structure of the second channel steel (33), the bolts sequentially penetrate through the second angle steel (11), the side beam (1) and the second channel steel (33) and are fixed through nuts, the rear end of the first channel steel (32) is connected with the side beam (1) through bolts, and the side ends of the first channel steel (32) are connected with the mounting grooves (8) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426333.7A CN114013511B (en) | 2021-11-27 | 2021-11-27 | Trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426333.7A CN114013511B (en) | 2021-11-27 | 2021-11-27 | Trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114013511A CN114013511A (en) | 2022-02-08 |
| CN114013511B true CN114013511B (en) | 2024-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111426333.7A Active CN114013511B (en) | 2021-11-27 | 2021-11-27 | Trailer |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475403A (en) * | 2022-03-07 | 2022-05-13 | 中信机电制造公司科研设计院 | Back-delivery flat car of emergency repair vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217374646U (en) * | 2021-11-27 | 2022-09-06 | 辽宁金天马专用车制造有限公司 | Trailer truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010089754A (en) * | 2008-10-10 | 2010-04-22 | Mitsubishi Fuso Truck & Bus Corp | Roof structure for vehicle body |
| DE102011122471A1 (en) * | 2011-12-24 | 2013-06-27 | Westfalia-Automotive Gmbh | Towing device for a vehicle |
| CN207029303U (en) * | 2017-07-06 | 2018-02-23 | 辽宁金天马专用车制造有限公司 | A kind of light-weighted semi-trailer rivets chassis |
| CN208630699U (en) * | 2018-06-27 | 2019-03-22 | 洛阳中集凌宇汽车有限公司 | A kind of assembled aluminium alloy semi-trailing car frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217374646U (en) * | 2021-11-27 | 2022-09-06 | 辽宁金天马专用车制造有限公司 | Trailer truck |
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