CN111186260B - Front axle steering structure of heavy-duty car - Google Patents
Front axle steering structure of heavy-duty car Download PDFInfo
- Publication number
- CN111186260B CN111186260B CN202010019607.XA CN202010019607A CN111186260B CN 111186260 B CN111186260 B CN 111186260B CN 202010019607 A CN202010019607 A CN 202010019607A CN 111186260 B CN111186260 B CN 111186260B
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- groove
- butt joint
- guide
- bogie
- auxiliary support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/003—Steerable axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a front axle steering structure of a heavy truck, which comprises a steering frame, a wheel hub and a driving shaft, wherein the wheel hub is fixed on one side of the steering frame through a bolt, a steering groove is formed in the other side of the steering frame, a bridge frame is placed in the steering groove, one end of an auxiliary support rod is positioned in the auxiliary support groove, the auxiliary support groove is formed in the outer side of the end part of the steering frame, a guide groove is reserved in the inner wall of the auxiliary support groove, a positioning rod is embedded in the bottom of a stress ring, one end of the positioning rod is positioned in a positioning groove, an installation plate is welded on the outer side of the steering frame, a first guide rod is connected to the outer side of the installation plate through a shaft, a movable ball is welded at the end part of the first guide rod and positioned in a movable groove, the movable groove is formed in the outer side of. This heavy automobile's front axle turns to structure increases the stability when turning to, reduces frictional force simultaneously, is convenient for holistic dismantlement installation and maintenance simultaneously.
Description
Technical Field
The invention relates to the technical field of heavy-duty automobiles, in particular to a front axle steering structure of a heavy-duty automobile.
Background
The heavy-duty car is a large-sized car, generally has a large mass, such as a large truck and a passenger car, and in the use of the heavy-duty car, a front axle assembly and a steering structure are involved, so as to support the car and control the steering of the car, however, the existing front axle steering structure has the following problems in use:
front axle turns to structure, when using to heavy-duty car, the gravity that it received is bigger, for guaranteeing the stability and the smooth steering of car, need keep the stable connection between crane span structure and the bogie, need reduce frictional force simultaneously, to front axle turns to structure's use, when the car uses for a long time, needs regularly to maintain, needs the convenience to front axle turns to the structure and dismantles and maintain the installation.
In order to solve the problems, innovative design is urgently needed on the basis of the original front axle steering structure.
Disclosure of Invention
The invention aims to provide a front axle steering structure of a heavy-duty car, which aims to solve the problems that the prior front axle steering structure provided by the background art needs to maintain stable connection between a bridge frame and a steering frame, needs to reduce friction force, and needs to be convenient to disassemble, repair and install when maintenance is carried out regularly.
In order to achieve the purpose, the invention provides the following technical scheme: a front axle steering structure of a heavy truck comprises a steering frame, a wheel hub and a driving shaft, wherein the wheel hub is fixed on one side of the steering frame through a bolt, a steering groove is formed in the other side of the steering frame, a bridge frame is placed in the steering groove, auxiliary support rods are welded at the upper end and the lower end of the bridge frame, one ends of the auxiliary support rods are located in the auxiliary support grooves, the auxiliary support grooves are formed in the outer side of the end portion of the steering frame, guide grooves are reserved in the inner walls of the auxiliary support grooves, guide balls are placed in the guide grooves, the driving shaft and a butt joint shaft penetrate through the upper end and the lower end of the steering frame respectively, the end portions of the driving shaft and the butt joint shaft penetrate through the end portion of the bridge frame, butt joints are welded at the end portions of the butt joint shafts and located in the butt joint grooves, limit frames are welded at the middle portions of the driving shaft and the butt joint shaft, the limiting grooves are formed in the upper end and the lower end of the bogie, stress rings are sleeved on the outer sides of the driving shaft and the butt joint shaft and located in the steering grooves, positioning rods are installed at the bottoms of the stress rings in an embedded mode, one ends of the positioning rods are located in the positioning grooves, the positioning grooves are formed in the upper end and the lower end of the bridge frame, an installation plate is welded on the outer side of the bogie, a first guide rod is connected to the outer side of the installation plate through a shaft, movable balls are welded at the end portions of the first guide rod and located in the movable grooves, the movable grooves are formed in the outer side of the second guide rod, and the second guide rod is connected to the outer.
Preferably, the end part of the auxiliary support rod is rotatably connected with the auxiliary support groove, and the auxiliary support groove and the driving shaft share the central axis.
Preferably, the diameter of the guide ball is equal to the inner diameter of the guide groove, and the guide grooves are distributed at equal angles with respect to the central axis of the auxiliary supporting groove.
Preferably, the cross section of the butt joint is designed into a hexagonal structure, and the butt joint groove are mutually clamped.
Preferably, the limiting frame is designed to be a rectangular structure, and the outer side of the limiting frame is attached to the inner wall of the limiting groove.
Preferably, the stress ring is hoop structural design, and the welding has the dead lever on the inner wall of stress ring to the dead lever is located the fixed slot, and the fixed slot is seted up on the inner wall of driving shaft and butt joint axle simultaneously.
Preferably, the positioning rod is rotatably connected with the stress ring and the positioning groove, and the positioning groove and the stress ring share a central axis.
Preferably, the movable ball is connected with the movable groove in a sliding mode, and the diameter of the movable ball is larger than the width of the opening of the movable groove.
Preferably, the second guide rod and the first guide rod are inclined to each other, and 2 groups of the second guide rod and the first guide rod are symmetrically arranged around the central axis of the bogie.
Compared with the prior art, the invention has the beneficial effects that: this heavy-duty car's front axle turns to structure:
1. the end part of the auxiliary support rod is rotatably connected with the auxiliary support groove, the stress ring is designed into a hoop structure, the inner wall of the stress ring is welded with a fixed rod, the fixed rod is positioned in the fixed groove, the fixed groove is formed in the inner walls of the driving shaft and the butt joint shaft, the fixed rod is rotatably connected with the stress ring and the positioning groove, the rotation between the bogie and the bridge frame can be reinforced through the auxiliary support rod and the stress ring, the whole stability is kept, meanwhile, the second guide rod and the first guide rod are inclined to each other, and the movable ball is slidably connected with the movable groove, so that when the bogie rotates, the movable ball slides in the movable groove, and the stability of the bogie and the outer part of the bridge frame is kept through the second guide rod and the first guide rod;
2. the diameter of the arranged guide ball is equal to the inner diameter of the guide groove, and the guide groove is distributed in an equal angle mode relative to the central axis of the auxiliary supporting groove, so that when the auxiliary supporting rod rotates in the auxiliary supporting groove, the guide ball rotates in the guide groove, friction force is reduced, meanwhile, the positioning rod is in rotating connection with the stress ring and the positioning groove, when the stress ring rotates along with the driving shaft and the butt joint shaft, the positioning rod rotates in the stress ring and the positioning groove, and the friction force is reduced while the clamping force of the stress ring on the bridge frame is increased;
3. the cross-section through the butt joint that sets up is hexagon structural design, and mutual block between butt joint and the butt joint groove, makes things convenient for the butt joint between driving shaft and the butt joint axle and the crane span structure fixed, makes things convenient for the dismouting, and the stress ring is staple bolt structural design simultaneously, makes things convenient for the dismantlement of stress ring, makes its separation and the installation that does not influence driving shaft and butt joint axle, makes things convenient for holistic dismantlement and maintenance installation.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic diagram of a top view cross-sectional structure of a stress ring according to the present invention;
FIG. 5 is a schematic top view of the butt-joint shaft of the present invention;
FIG. 6 is a schematic view of a ball guide mounting structure according to the present invention.
In the figure: 1. a bogie; 2. a hub; 3. a steering groove; 4. a bridge frame; 5. an auxiliary stay bar; 6. auxiliary supporting grooves; 7. a guide groove; 8. guiding a ball; 9. a drive shaft; 10. a butt joint shaft; 11. a butt joint; 12. a butt joint groove; 13. a limiting frame; 14. a limiting groove; 15. stress ring; 1501. fixing the rod; 1502. fixing grooves; 16. positioning a rod; 17. positioning a groove; 18. mounting a plate; 19. a first guide bar; 20. a movable ball; 21. a movable groove; 22. a second guide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a front axle steering structure of a heavy truck comprises a steering frame 1, a hub 2, a steering groove 3, a bridge frame 4, an auxiliary stay bar 5, an auxiliary stay groove 6, a guide groove 7, a guide ball 8, a driving shaft 9, a butt joint shaft 10, a butt joint 11, a butt joint groove 12, a limit frame 13, a limit groove 14, a stress ring 15, a positioning rod 16, a positioning groove 17, a mounting plate 18, a first guide rod 19, a movable ball 20, a movable groove 21 and a second guide rod 22, wherein the hub 2 is fixed on one side of the steering frame 1 through a bolt, the steering groove 3 is arranged on the other side of the steering frame 1, the bridge frame 4 is arranged in the steering groove 3, the auxiliary stay bars 5 are welded at the upper end and the lower end of the bridge frame 4, one end of each auxiliary stay bar 5 is positioned in the auxiliary stay groove 6, the auxiliary stay groove 6 is arranged on the outer side of the end of the steering frame 1, the guide groove 7 is reserved on the inner wall of the auxiliary stay groove 6, the guide groove 7 is provided with, the end parts of the driving shaft 9 and the butt joint shaft 10 penetrate through the end part of the bridge frame 4, the end part of the butt joint shaft 10 is welded with the butt joint 11, the butt joint 11 is positioned in the butt joint groove 12, the butt joint groove 12 is arranged at the end part of the driving shaft 9, the middle parts of the driving shaft 9 and the butt joint shaft 10 are welded with the limiting frames 13, the limiting frames 13 are positioned in the limiting grooves 14, the limiting grooves 14 are arranged at the upper end and the lower end of the bogie 1, the outer sides of the driving shaft 9 and the butt joint shaft 10 are sleeved with the stress rings 15, the stress rings 15 are positioned in the steering grooves 3, the bottom parts of the stress rings 15 are embedded with the positioning rods 16, one ends of the positioning rods 16 are positioned in the positioning grooves 17, the positioning grooves 17 are arranged at the upper end and the lower end of the bridge frame 4, the outer side of the bogie 1 is welded with the mounting plate 18, the outer side shaft of the mounting plate 18, the movable groove 21 is arranged on the outer side of the second guide rod 22, and the second guide rod 22 is connected with the outer side of the bridge frame 4 through a shaft;
the end part of the auxiliary stay bar 5 is rotatably connected with the auxiliary support groove 6, the auxiliary support groove 6 and the driving shaft 9 share the same central axis, when the bogie 1 performs steering operation on the bridge frame 4 through the steering groove 3 under the driving action of the driving shaft 9, the end part of the auxiliary stay bar 5 rotates along with the auxiliary support groove 6, so that the stable rotation between the bogie 1 and the bridge frame 4 is kept, and the independent stress of the bridge frame 4 is avoided;
the diameter of the guide ball 8 is equal to the inner diameter of the guide groove 7, the guide groove 7 is distributed in an equal angle with the central axis of the auxiliary support groove 6, when the end part of the auxiliary support rod 5 rotates along with the auxiliary support groove 6, the auxiliary support rod 5 is contacted with the guide ball 8, the guide ball 8 is driven to rotate in the guide groove 7, and the friction force generated when the auxiliary support rod 5 rotates is reduced;
the section of the butt joint 11 is designed into a hexagonal structure, the butt joint 11 and the butt joint groove 12 are mutually clamped, and after the driving shaft 9 and the butt joint shaft 10 are installed, the butt joint 11 and the butt joint groove 12 can be used for positioning and butt joint, so that the driving shaft 9 can drive the butt joint shaft 10 to rotate, and the upper end and the lower end of the bogie 1 are uniformly stressed;
the limiting frame 13 is designed to be a rectangular structure, the outer side of the limiting frame 13 is attached to the inner wall of the limiting groove 14, after the driving shaft 9 and the butt joint shaft 10 penetrate through the bogie 1 and are positioned and butted, the bogie 1 can receive the driving force of the driving shaft 9 through the limiting frame 13 and the limiting groove 14 and rotate on the bridge frame 4, so that the steering operation is realized, and meanwhile, the disassembly and the assembly are convenient;
the stress ring 15 is designed to be a hoop structure, the fixing rod 1501 is welded on the inner wall of the stress ring 15, the fixing rod 1501 is located in the fixing groove 1502, the fixing groove 1502 is formed in the inner walls of the driving shaft 9 and the butt joint shaft 10, the stress ring 15 is convenient to assemble and disassemble, and meanwhile the upper end and the lower end of the bridge frame 4 can be tightly clamped through the stress ring 15 on the driving shaft 9 and the butt joint shaft 10, so that when the bridge frame is used for an automobile, pressure borne by the bridge frame 4 can be shared, and loss of the bridge frame 4 is reduced;
the positioning rod 16 is rotatably connected with the stress ring 15 and the positioning groove 17, the positioning groove 17 and the stress ring 15 share a central axis, when the driving shaft 9 drives the bogie 1 to rotate on the bridge frame 4, two ends of the positioning rod 16 respectively rotate in the stress ring 15 and the positioning groove 17, the longitudinal connection between the stress ring 15 and the bridge frame 4 is maintained through the positioning rod 16, the stable connection between the stress ring 15 and the bridge frame 4 is increased, and meanwhile, the friction force is reduced;
the movable ball 20 is connected with the movable groove 21 in a sliding mode, the diameter of the movable ball 20 is larger than the width of an opening of the movable groove 21, the second guide rod 22 and the first guide rod 19 are mutually inclined, 2 groups of the second guide rod 22 and the first guide rod 19 are symmetrically arranged about the central axis of the bogie 1, when the bogie 1 rotates on the bridge frame 4, the movable ball 20 on the first guide rod 19 slides in the movable groove 21 on the second guide rod 22, meanwhile, the first guide rod 19 and the second guide rod 22 rotate on the mounting plate 18 and the bridge frame 4 respectively, the outer portions of the bridge frame 4 and the bogie 1 can be kept stable through the first guide rod 19 and the second guide rod 22, and the overall stability is improved.
The working principle is as follows: when the front axle steering structure of the heavy-duty car is used, as shown in fig. 1 and 5, firstly, a bogie 1 is butted with the end part of a bridge frame 4 through a steering groove 3, then a driving shaft 9 and a butt joint shaft 10 are respectively inserted from the upper end and the lower end of the bogie 1, so that the end parts of the driving shaft 9 and the butt joint shaft 10 are inserted into the bridge frame 4, the driving shaft 9 and the butt joint shaft 10 are fixed on the bogie 1 through fastening bolts, a butt joint groove 12 on the driving shaft 9 and a butt joint 11 on the butt joint shaft 10 are mutually butted and installed, the bogie 1 and the bridge frame 4 are preliminarily positioned, meanwhile, auxiliary stay bars 5 on the upper side and the lower side of the bridge frame 4 are inserted into auxiliary stay grooves 6, then as shown in fig. 1 and 3-4, a stress ring 15 of a hoop structure is butted and installed, so that a fixing rod 1501 in the stress ring 15 is clamped into a fixing groove 1502, and a, when the bogie 1 and the bridge frame 4 bear the gravity of an automobile, the gravity is borne through the stress ring 15 and the positioning rod 16, the stability between the bogie 1 and the bridge frame 4 is kept, the positioning rod 16 can enter the positioning groove 17 in advance and slide along with the positioning groove 17, the installation of the stress ring 15 is realized, then as shown in fig. 2 and fig. 6, the first guide rod 19 is rotated on the installation plate 18, the second guide rod 22 is rotated on the bridge frame 4, the movable ball 20 is slid into the movable groove 21, the integral installation is completed, and similarly, the disassembly mode can be completed reversely according to the operation, and the separation of the bogie 1 and the bridge frame 4 is realized;
then, as shown in fig. 1 and 5, the rotation of the driving shaft 9 drives the butt-joint shaft 10 to rotate together in the bridge frame 4, under the limiting action of the rectangular structure limiting frame 13 and the limiting groove 14, the driving shaft 9 and the butt-joint shaft 10 drive the bogie 1 to rotate around the bridge frame 4, so as to realize steering operation, meanwhile, in fig. 1-2, the auxiliary stay 5 rotates in the auxiliary stay groove 6, the auxiliary stay 5 contacts with the guide ball 8, drives the guide ball 8 to rotate in the guide groove 7, so as to reduce friction while keeping stable, meanwhile, in fig. 1 and 3-4, the driving shaft 9 and the butt-joint shaft 10 drive the stress ring 15 to rotate through the fixing rod 1501 and the fixing groove 1502, the positioning rod 16 at the bottom of the stress ring 15 rotates in the stress ring 15 and the positioning groove 17, so as to keep stable support for the bridge frame 4 and reduce friction, then, as shown in fig. 2 and 6, when the bogie 1 rotates around the bridge frame, the first guide rod 19 on the outer side rotates along with the rotation, and the movable ball 20 at the end of the first guide rod 19 slides in the movable groove 21, so that the second guide rod 22 rotates on the bridge 4, and the movement of the bogie 1 is reinforced through the first guide rod 19 and the second guide rod 22.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a heavy-duty car's front axle turns to structure, includes bogie (1), wheel hub (2) and driving shaft (9), its characterized in that: wheel hub (2) is fixed on one side of bogie (1) through bolts, steering groove (3) is formed in the other side of bogie (1), bridge (4) is placed in steering groove (3), auxiliary support rods (5) are welded at the upper end and the lower end of bridge (4), one end of each auxiliary support rod (5) is located in each auxiliary support groove (6), each auxiliary support groove (6) is formed in the outer side of the end of bogie (1), guide grooves (7) are reserved on the inner wall of each auxiliary support groove (6), guide balls (8) are placed in each guide groove (7), driving shafts (9) and butt-joint shafts (10) penetrate through the upper end and the lower end of bogie (1) respectively, the end portions of the driving shafts (9) and the butt-joint shafts (10) penetrate through the end portions of bridge (4), the end portions of the auxiliary support rods (5) are rotatably connected with the auxiliary support grooves (6), and the central axis between the auxiliary support grooves (6) and the driving shafts (9) is shared, the end welding of butt joint axle (10) has butt joint (11), and butt joint (11) is located butt joint groove (12), and the tip of driving shaft (9) is seted up in butt joint groove (12), spacing frame (13) have all been welded at the middle part of driving shaft (9) and butt joint axle (10), and spacing frame (13) are located spacing groove (14), and spacing groove (14) are seted up in the upper and lower both ends of bogie (1), the outside of driving shaft (9) and butt joint axle (10) all is overlapped and is equipped with stress ring (15), and stress ring (15) are located bogie groove (3), embedded locating lever (16) of installing in the bottom of stress ring (15), and the one end of locating lever (16) is located constant head tank (17), and constant head tank (17) are seted up in the upper and lower both ends of crane span structure (4), the outside welding of bogie (1) has mounting panel (18), and the outside hub connection of mounting panel (18) has first guide arm (19), the tip welding of first guide arm (19) has activity ball (20), and activity ball (20) are located activity groove (21), the outside of second guide arm (22) is seted up in activity groove (21), and second guide arm (22) hub connection in the outside of crane span structure (4).
2. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the diameter of the guide ball (8) is equal to the inner diameter of the guide groove (7), and the guide groove (7) is distributed at equal angles relative to the central axis of the auxiliary supporting groove (6).
3. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the cross section of the butt joint (11) is designed into a hexagonal structure, and the butt joint (11) and the butt joint groove (12) are mutually clamped.
4. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the limiting frame (13) is designed to be a rectangular structure, and the outer side of the limiting frame (13) is attached to the inner wall of the limiting groove (14).
5. The front axle steering structure of a heavy-duty car according to claim 1, wherein: stress ring (15) are staple bolt structural design, and the welding has dead lever (1501) on the inner wall of stress ring (15) to dead lever (1501) are located fixed slot (1502), and fixed slot (1502) are seted up on the inner wall of driving shaft (9) and butt joint axle (10) simultaneously.
6. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the positioning rod (16) is rotationally connected with the stress ring (15) and the positioning groove (17), and the positioning groove (17) and the stress ring (15) share a central axis.
7. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the movable ball (20) is connected with the movable groove (21) in a sliding mode, and the diameter of the movable ball (20) is larger than the width of the opening of the movable groove (21).
8. The front axle steering structure of a heavy-duty car according to claim 1, wherein: the second guide rod (22) and the first guide rod (19) are mutually inclined, and 2 groups of the second guide rod (22) and the first guide rod (19) are symmetrically arranged around the central axis of the bogie (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019607.XA CN111186260B (en) | 2020-01-08 | 2020-01-08 | Front axle steering structure of heavy-duty car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019607.XA CN111186260B (en) | 2020-01-08 | 2020-01-08 | Front axle steering structure of heavy-duty car |
Publications (2)
| Publication Number | Publication Date |
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| CN111186260A CN111186260A (en) | 2020-05-22 |
| CN111186260B true CN111186260B (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010019607.XA Active CN111186260B (en) | 2020-01-08 | 2020-01-08 | Front axle steering structure of heavy-duty car |
Country Status (1)
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| CN (1) | CN111186260B (en) |
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| CN205256425U (en) * | 2015-12-08 | 2016-05-25 | 北京汽车股份有限公司 | Car power -assisted steering ware and car |
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- 2020-01-08 CN CN202010019607.XA patent/CN111186260B/en active Active
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| CN111186260A (en) | 2020-05-22 |
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