CN212050140U - Hoisting and overturning device for bridge steel tower column - Google Patents

Abstract

The utility model discloses a hoisting and overturning device for a bridge steel tower column, which belongs to the technical field of hoisting and overturning, and comprises a tower column body, the utility model realizes the functions of friction dragging at the bottom end of the steel tower column, shaking instability and deviation when the steel tower column reaches a certain position by arranging a front support frame comprising a second support bottom plate, a vertical ribbed plate and a bearing vertical plate, a rear support frame comprising a first support bottom plate, a side plate stiffening rib, a bearing top plate and a vertical side plate, a rotary protection pin comprising a protection pin body and a concave notch and the like under the mutual cooperation of the structures, thereby effectively avoiding the damage of the tower column, ensuring that the device has no strict requirements on the field, saving the cost of manpower and material resources, and being completed by only one hoisting device with proper tonnage and two operators capable of hooking, unnecessary economic loss is reduced.

Description

Hoisting and overturning device for bridge steel tower column

Technical Field

The utility model belongs to the technical field of the hoist and mount upset, concretely relates to bridge steel tower pylon hoist and mount turning device.

Background

In recent years, in order to pursue the overall beauty and safety of buildings, various large-span steel structure buildings with novel structural forms and peculiar shapes are in a wide range in China, the public buildings continuously pursue performance and beauty, simultaneously, more challenges and higher requirements are provided for manufacturing and installing steel structures, especially in the field of bridge engineering, China has built a large number of steel structure bridges in recent years, the coverage area is quite wide, most of the steel structures are applied from railway bridges, highway and railway dual-purpose bridges to pedestrian bridges, and nowadays, steel structures form a preferred scheme for a plurality of bridge engineering. Especially in the construction of large steel tower type bridge engineering, the hoisting and overturning installation of large steel columns becomes the core of the whole engineering, and different hoisting and overturning installation technologies directly influence the overall arrangement and construction arrangement of the whole engineering. In the hoisting construction process of the steel column, the steel column needs to be turned over on site, the top of the steel column faces upwards and then hoisted, and in the process, a hoisting and overturning device for the bridge steel tower column needs to be used, but the existing hoisting and overturning device for the bridge steel tower column still has some defects.

The bridge steel tower column hoisting and overturning device in the prior art has the following problems: 1. in the process of turning a steel tower column, when the steel tower column is hoisted to a certain position, if a hoisting force is continuously applied, the bottom end of the steel tower column is dragged or deviated in a friction manner, if the bottom end of the steel tower column is shaken, if the bottom end of the steel tower column is unstable, the tower column is damaged, and the existing hoisting and turning device for the steel tower column of the bridge needs a large occupied space and needs more manpower and material resources; 2. the hoisting and overturning device for the existing bridge steel tower column hoists to the dumping critical state, if the hoisting and overturning device continues to hoist, the gravity center of the steel tower column exceeds the supporting point and can be dumped to the other side, and because the hoisting force of gravity and a lifting hook is in the same direction to the moment of the supporting point, a heavy object can be dumped rapidly, and huge impact force can be generated when the dumping is performed, so that the loss of the steel tower column is easily caused.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a bridge steel tower column hoist and mount turning device has when steel tower column hoist and mount reachs an allocation position, if continue to apply the lifting force, can avoid steel tower column bottom friction to drag the capable, rocks the condition of unstability skew and appears, and then has effectively avoided the damage of tower column, has reduced unnecessary economic loss to and can effectively cushion the impact force that produces when empting, and then effectively avoid the characteristics that the condition of tower column loss appears.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge steel tower column hoist and mount turning device, includes the column body, the below intermediate position department of column body evenly is provided with a plurality of support piece, the left side of column body is provided with the rotation protection round pin by the below, the left side below of rotation protection round pin is provided with preceding support frame, the left side of preceding support frame is provided with back support frame, the top of back support frame is fixed with buffer by the left side, the right side intermediate position department of column body is provided with the second connecting block, the outside of second connecting block is provided with first connecting block, rotate through the pivot between first connecting block and the second connecting block and connect, the top of first connecting block is provided with the hoist and mount rope, the top of hoist and mount rope is provided with the hoist and mount hook.

Preferably, the buffer device comprises a fixed groove, a lower buffer plate, an upper buffer plate, a buffer inner rod, a fixed column, a buffer outer rod, a buffer spring, a buffer groove, a limit buffer sliding groove and a limit buffer sliding block, an upper buffer plate is arranged above the lower buffer plate, a plurality of buffer inner rods are uniformly arranged between the upper buffer plate and the lower buffer plate and close to the lower part, a buffer outer rod is arranged above the buffer inner rod, fixing grooves are respectively arranged in the lower buffer plate and the upper buffer plate and at positions corresponding to the buffer inner rod and the buffer outer rod respectively, a fixed column is fixed inside the fixed groove, a buffer groove is arranged inside the buffer outer rod and at the position corresponding to the buffer inner rod, a buffer spring is arranged in the buffer groove, the left side and the right side of the buffer inner rod are both fixed with a limiting buffer slide block, and a limiting buffering sliding groove is formed in the buffering outer rod and corresponds to the position of the limiting buffering sliding block.

Preferably, the rear support frame comprises a first support bottom plate, side plate stiffening ribs, a bearing top plate and vertical side plates, the vertical side plates are symmetrically fixed on the front side and the rear side of the top of the first support bottom plate, the side plate stiffening ribs are symmetrically fixed between the vertical side plates, and the bearing top plate is fixed above the two vertical side plates.

Preferably, the front support frame comprises a second support bottom plate, vertical rib plates and bearing vertical plates, the vertical rib plates are symmetrically fixed on the front and back of the upper portion of the second support bottom plate, and the bearing vertical plates are fixed on the right sides of the two vertical rib plates.

Preferably, the rotary protection pin comprises a concave notch and a protection pin body, and the concave notch is formed in the protection pin body.

Preferably, one side of the buffer spring, which is close to the inner buffer rod, is fixedly connected with the inner buffer rod, and one side of the buffer spring, which is far away from the inner buffer rod, is fixedly connected with the outer buffer rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting includes the second supporting baseplate, the preceding support frame of vertical floor and bearing riser, including first supporting baseplate, the curb plate stiffening rib, the back support frame of bearing roof and vertical curb plate and the rotatory guard pin isotructure including guard pin body and spill notch, under the mutually supporting of these structures, realized when steel tower hoist and mount reachs a definite position, if continue to apply the lifting force, can avoid steel tower bottom friction to drag the line, rock the function that the circumstances of unstability and skew appears, and then effectively avoided the damage of tower, and the device is not strict to the requirement in place, the material resources cost of using manpower sparingly simultaneously, only need the lifting device of an appropriate tonnage and two operating personnel that can get in touch just can accomplish, unnecessary economic loss has been reduced.

2. The utility model discloses a setting includes fixed slot, lower buffer board, goes up buffer board, buffering interior pole, fixed column, buffering outer pole, buffer spring, dashpot, spacing dashpot and spacing buffer block isotructure through the setting, under the mutually supporting of these structures, has realized carrying out the function of effectively buffering to the impact force that produces when empting, and then has effectively avoided the condition of column loss to appear.

Drawings

Fig. 1 is a schematic structural view of a partial section of the present invention;

fig. 2 is a schematic structural view of another state of the present invention;

fig. 3 is a three-dimensional structure diagram of the front support frame of the present invention;

fig. 4 is a three-dimensional structure schematic diagram of the rear support frame of the present invention;

fig. 5 is a three-dimensional structural schematic diagram of the rotation protection pin of the present invention;

fig. 6 is a schematic structural view of a section of the buffering device of the present invention;

fig. 7 is an enlarged schematic structural view of a point a in fig. 6 according to the present invention;

in the figure: 1. a tower column body; 2. a support member; 3. hoisting hooks; 4. hoisting a rope; 5. a first connection block; 6. A rotating shaft; 7. a second connecting block; 8. a buffer device; 81. fixing grooves; 82. a lower buffer plate; 83. an upper buffer plate; 84. an inner buffer rod; 85. fixing a column; 86. a buffer outer rod; 87. a buffer spring; 88. a buffer tank; 89. a limiting buffer chute; 810. a limiting buffer slide block; 9. a rear support frame; 91. a first support floor; 92. a side panel stiffener; 93. a load bearing top plate; 94. a vertical side plate; 10. a front support frame; 101. a second support floor; 102. a vertical rib plate; 103. a load-bearing riser; 11. rotating the protection pin; 111. a concave notch; 112. a protective pin body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a bridge steel tower column hoist and mount turning device, including column body 1, column body 1's below intermediate position department evenly is provided with a plurality of support piece 2, column body 1's left side is provided with rotatory protection pin 11 by the below, the left side below of rotatory protection pin 11 is provided with preceding support frame 10, the left side of preceding support frame 10 is provided with back support frame 9, back support frame 9's top is close to the left side and is fixed with buffer 8, column body 1's right side intermediate position department is provided with second connecting block 7, the outside of second connecting block 7 is provided with first connecting block 5, rotate through pivot 6 between first connecting block 5 and the second connecting block 7 and connect, the top of first connecting block 5 is provided with hoist and mount rope 4, hoist and mount rope 4's top is provided with hoist and mount hook 3.

In order to buffer the tower body 1 and avoid damage caused by impact force, in this embodiment, preferably, the buffer device 8 includes a fixing groove 81, a lower buffer plate 82, an upper buffer plate 83, an inner buffer rod 84, a fixing column 85, an outer buffer rod 86, a buffer spring 87, a buffer groove 88, a limiting buffer sliding groove 89 and a limiting buffer sliding block 810, the upper buffer plate 83 is disposed above the lower buffer plate 82, a plurality of inner buffer rods 84 are uniformly disposed between the upper buffer plate 83 and the lower buffer plate 82 near the lower side, the outer buffer rod 86 is disposed above the inner buffer rods 84, the fixing grooves 81 are disposed in the lower buffer plate 82 and the upper buffer plate 83 and respectively correspond to the inner buffer rods 84 and the outer buffer rods 86, the fixing columns 85 are fixed in the fixing grooves 81, the buffer grooves 88 are disposed in the outer buffer rods 86 and correspond to the positions of the inner buffer rods 84, the inside of buffer slot 88 is provided with buffer spring 87, and the left and right sides of buffering interior pole 84 all is fixed with spacing buffering slider 810, and the inside of buffering outer pole 86 and the position department that corresponds spacing buffering slider 810 have seted up spacing buffering spout 89.

In order to facilitate the rotation of the rotation protection pin 11 along the rear support frame 9, in this embodiment, preferably, the rear support frame 9 includes a first support bottom plate 91, a side plate stiffening rib 92, a bearing top plate 93 and vertical side plates 94, the vertical side plates 94 are symmetrically fixed on the front side and the rear side of the top of the first support bottom plate 91, the side plate stiffening rib 92 is symmetrically fixed between the two vertical side plates 94, and the bearing top plate 93 is fixed above the two vertical side plates 94.

For better supporting the tower body 1, in this embodiment, preferably, the front support frame 10 includes a second support base 101, vertical ribs 102 and load-bearing risers 103, the vertical ribs 102 are symmetrically fixed on the second support base 101 in front and back, and the load-bearing risers 103 are fixed on the right sides of the two vertical ribs 102.

In order to avoid the direct contact between the tower body 1 and the rear support frame 9, and to better protect the tower body 1, in this embodiment, preferably, the rotation protection pin 11 includes a concave notch 111 and a protection pin body 112, and the concave notch 111 is opened inside the protection pin body 112.

In order to facilitate stable placement of the buffer spring 87, in this embodiment, preferably, a side of the buffer spring 87 close to the buffer inner rod 84 is fixedly connected to the buffer inner rod 84, and a side of the buffer spring 87 away from the buffer inner rod 84 is fixedly connected to the buffer outer rod 86.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the front support frame 10 (fixed by the first support base plate 101, the vertical rib plate 102 and the bearing vertical plate 103 both play a supporting role) is fixed on the ground at the bottom side of the steel tower column to be overturned, and the coaxial line of the front support frame 10 and the steel tower column is ensured, then, according to the section height at the bottom side of the steel tower column to be overturned, the rear support frame 9 (fixed by the second support base plate 91, the buffer device 8 is fixedly arranged above the bearing top plate 93, the vertical side plate 94 plays a supporting role, the side plate stiffening rib 92 plays a reinforcing role on the two vertical side plates 94) is arranged, and the coaxial line of the front support frame 10, the rear support frame 9 and the steel tower column is ensured, then, the rotary protection pin 11 is arranged at the central position of the lower end wall plate at the side of the tower column body 1 to be overturned (the concave notch, then hoisting equipment is adopted to hang the hoisting rope 4 on the hoisting hook 3, a switch of the hoisting equipment is started to enable the tower column body 1 to turn over, the first connecting block 5 rotates along the second connecting block 7 under the action of the rotating shaft 6, when the rotary protection pin 11 is contacted with the front support frame 10, the hoisting is stopped, the position and the state of the rotary protection pin 11 are checked, then the hoisting is continued until the left side wall of the tower column is turned over to be contacted with the buffer device 8 above the rear support frame 9, at the moment, the tower column body 1 is hoisted to be in a completely vertical state, the turning of the steel tower column is completed, in the process, the buffer device 8 can effectively buffer the impact force generated when the tower column body 1 topples over (the lower buffer plate 82 and the upper buffer plate 83 play a primary buffering role, then the buffer spring 87 is compressed in the buffer groove 88, the buffer inner rod 84 moves along the buffer groove 88, the limiting buffer slide block 810 moves along the limiting buffer chute 89, rod 84 and buffering outer boom 86 are all under the effect of fixed column 85 in the buffering, stably place the inside at fixed slot 81), and then effectively protected column body 1, in addition, the device is not strict to the place requirement, only need vacate the region with steel column length as the diameter, and the material resources cost of using manpower sparingly, only need the lifting device of a suitable tonnage and two operating personnel that can get in touch just can accomplish whole operation task, and under the effect of preceding support frame 10 and back support frame 9, the problem of the easy off tracking of fulcrum has effectively been solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bridge steel tower column hoist and mount turning device, includes column body (1), its characterized in that: a plurality of supporting pieces (2) are uniformly arranged at the middle position below the tower column body (1), a rotary protection pin (11) is arranged below the left side of the tower column body (1), a front support frame (10) is arranged below the left side of the rotary protection pin (11), a rear support frame (9) is arranged on the left side of the front support frame (10), a buffer device (8) is fixed above the rear support frame (9) close to the left side, a second connecting block (7) is arranged at the middle position of the right side of the tower column body (1), a first connecting block (5) is arranged on the outer side of the second connecting block (7), the first connecting block (5) and the second connecting block (7) are rotationally connected through a rotating shaft (6), the lifting rope (4) is arranged above the first connecting block (5), and the lifting hook (3) is arranged above the lifting rope (4).

2. The hoisting and overturning device for the bridge steel tower column according to claim 1, characterized in that: the buffer device (8) comprises a fixed groove (81), a lower buffer plate (82), an upper buffer plate (83), an inner buffer rod (84), a fixed column (85), an outer buffer rod (86), a buffer spring (87), a buffer groove (88), a limiting buffer sliding groove (89) and a limiting buffer sliding block (810), wherein the upper buffer plate (83) is arranged above the lower buffer plate (82), a plurality of inner buffer rods (84) are uniformly arranged between the upper buffer plate (83) and the lower buffer plate (82) close to the lower part, the outer buffer rod (86) is arranged above the inner buffer rod (84), the fixed groove (81) is respectively arranged in the lower buffer plate (82) and the upper buffer plate (83) and respectively corresponds to the inner buffer rod (84) and the outer buffer rod (86), the fixed column (85) is fixed in the fixed groove (81), the buffer groove (88) is arranged in the outer buffer rod (86) and corresponds to the inner buffer rod (84), buffer spring (87) are arranged in buffer groove (88), limiting buffer sliding blocks (810) are fixed on the left side and the right side of buffer inner rod (84), and limiting buffer sliding grooves (89) are formed in the buffer outer rod (86) and correspond to the limiting buffer sliding blocks (810).

3. The hoisting and overturning device for the bridge steel tower column according to claim 1, characterized in that: rear support frame (9) are including first supporting baseplate (91), curb plate stiffening rib (92), bearing roof (93) and vertical curb plate (94), the equal symmetry in both sides is fixed with vertical curb plate (94) around the top of first supporting baseplate (91), two bilateral symmetry is fixed with curb plate stiffening rib (92) between vertical curb plate (94), and the top of two vertical curb plates (94) is fixed with bearing roof (93).

4. The hoisting and overturning device for the bridge steel tower column according to claim 1, characterized in that: the front support frame (10) comprises a second support base plate (101), vertical rib plates (102) and bearing vertical plates (103), the vertical rib plates (102) are symmetrically fixed on the second support base plate (101) in a front-back mode, and the bearing vertical plates (103) are fixed on the right sides of the two vertical rib plates (102).

5. The hoisting and overturning device for the bridge steel tower column according to claim 1, characterized in that: the rotary protection pin (11) comprises a concave notch (111) and a protection pin body (112), and the concave notch (111) is formed in the protection pin body (112).

6. The hoisting and overturning device for the bridge steel tower column according to claim 2, characterized in that: one side, close to the buffering inner rod (84), of the buffering spring (87) is fixedly connected with the buffering inner rod (84), and one side, far away from the buffering inner rod (84), of the buffering spring (87) is fixedly connected with the buffering outer rod (86).

Images