CN214883065U

CN214883065U - Bridge lifting device

Info

Publication number: CN214883065U
Application number: CN202121154977.0U
Authority: CN
Inventors: 周峻帆
Original assignee: Shenzhen Liantian Steel Structure Bridge Engineering Co ltd
Current assignee: Shenzhen Liantian Steel Structure Bridge Engineering Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-26
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a bridge lifting device, which comprises a carriage body, the automobile body is equipped with the load platform, load bench side has set firmly the locating piece, the locating piece both ends are all rotated and are connected with first connecting rod, the locating piece is equipped with drive arrangement, first connecting rod rotates and is connected with the second connecting rod, the one end that the second connecting rod deviates from first connecting rod rotates and is connected with the third connecting rod, the locating piece up end has set firmly the flange, the flange both ends rotate and are connected with the fourth connecting rod, fourth connecting rod third connecting rod rotates and connects, the third connecting rod rotates and is connected with the lifting rod, the tip is connected with the lifting rope under the lifting rod. The bridge body that the lifting rope will need to be changed is hung, and drive arrangement drives two first connecting rods and rotates in step, through the transmission effect between first connecting rod, second connecting rod, third connecting rod, the fourth connecting rod, makes the lifting rod remove the bridge body to the assigned position, accomplishes the concatenation construction to the bridge again, does not need artifical manual removal with the bridge body, can save a large amount of manpower and materials and time, and it is comparatively simple and convenient to change the bridge body.

Description

Bridge lifting device

Technical Field

The application relates to the field of bridge engineering, in particular to a bridge lifting device.

Background

At present, bridges are buildings which are built on rivers, lakes and seas and are convenient for vehicles and pedestrians to smoothly pass through. And part of bridges are also used for construction of bridges through railways, pipelines, channels and the like, and can directly influence the travel of people and the development of economy. The bridge can be divided into various categories such as a slab bridge, an arch bridge, a suspension bridge and the like. When the bridge is built, the bridge is generally required to have better bearing capacity and tolerance.

In the related technology, when a bridge is built on a river in which partial flow is small or the river width is narrow, the bridge is mostly made of stone or steel materials, the construction difficulty is small, and the whole scale of the bridge is small. The bridge generally comprises a pier, a bridge body, a guardrail and a bridge support, and after the bridge is built, facilities such as the guardrail, a street lamp and a drainage system are generally installed on the bridge body.

To the correlation technique among the above-mentioned, the inventor thinks, the bridge is after using for a long time, because natural weather such as rainwater and artificial influence, the pontic probably takes place to damage the fracture, needs to change the pontic, when the manual work is changed the pontic, needs earlier the pontic whole demolish, and the rethread is artifical begins the construction from the bridge both ends, accomplishes the construction to the bridge, needs the more manpower and materials of cost, and the operation is comparatively loaded down with trivial details inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to conveniently change the bridge body, the application provides a bridge elevating gear.

The application provides a bridge elevating gear adopts following technical scheme:

the utility model provides a bridge lifting device, which comprises a carriage body, the automobile body is equipped with the load platform, load bench side has set firmly the locating piece, the locating piece both ends are all rotated and are connected with first connecting rod, the locating piece is equipped with two first connecting rod of drive pivoted drive arrangement simultaneously, first connecting rod deviates from the one end rotation of locating piece and is connected with the second connecting rod, the one end rotation that the second connecting rod deviates from first connecting rod is connected with the third connecting rod, the locating piece up end has set firmly the flange, the flange both ends are rotated and are connected with the fourth connecting rod, the fourth connecting rod rotates with the third connecting rod that is close to the fourth connecting rod and is connected, the one end rotation that the third connecting rod deviates from the second connecting rod is connected with the lift bar, the tip is connected with the lifting rope under the lift bar.

Through adopting above-mentioned technical scheme, bridge elevating gear is in the use, the pontic that the lifting rope will need to be changed is hung, drive arrangement drives two first connecting rods and rotates in step, through first connecting rod, the second connecting rod, the third connecting rod, the transmission effect between the fourth connecting rod, make the third connecting rod drive the lifting rod and remove the pontic to the assigned position, accomplish the concatenation construction to the bridge again, do not need artifical manual to remove the pontic, can save a large amount of manpower and materials and time, it is comparatively simple and convenient to change the pontic.

Optionally, the driving device includes a cross shaft, a special motor, a first bevel gear and a second bevel gear, the cross shaft penetrates through the positioning block, two ends of the cross shaft are fixedly connected with the two first connecting rods respectively, the special motor is fixedly arranged on the positioning block, the first bevel gear is fixedly arranged in the middle of the cross shaft, and an output shaft of the special motor is fixedly connected with the second bevel gear engaged with the first bevel gear.

By adopting the technical scheme, the special motor drives the second bevel gear to rotate, so that the first bevel gear rotates, and then the first bevel gear drives the cross shaft to rotate, so that the cross shaft drives the two first connecting rods to synchronously rotate, and finally, the lifting rod moves the bridge body, thereby being beneficial to saving manpower resources and improving the processing efficiency.

Optionally, one end of the positioning block, which deviates from the first connecting rod, is fixedly connected with a fixing block, the fixing block is provided with a vertical through hole matched with the lifting rod, and the lifting rod penetrates through the through hole and is in sliding connection with the fixing block.

Through adopting above-mentioned technical scheme, when the lifting bar drove the pontic and reciprocates, the through-hole was convenient for spacing to promoting the member, prevented that the lifting bar from taking place to rock when removing, was favorable to improving the stability of lifting bar when removing the pontic.

Optionally, the positioning block is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with a supporting plate.

Through adopting above-mentioned technical scheme, pneumatic cylinder synchronous start drives the layer board and moves down along with the pontic, and the layer board is contradicted with the lower terminal surface of pontic, and the layer board is favorable to the pontic to keep the level, and the layer board cushions and supports the pontic simultaneously, is favorable to improving the stability of pontic when removing and installing.

Optionally, the lower end of the lifting rope is fixedly connected with a hoisting ring, the hoisting ring comprises a left ring and a right ring, a plurality of grooves are formed in two ends of the left ring, and a plurality of lugs matched with the grooves are fixedly arranged at two ends of the right ring.

By adopting the technical scheme, the bridge body is clamped by the left ring and the right ring, and the convex block on the right ring is inserted into the groove on the left ring, so that the two hoisting rings are used for fixing the two ends of the bridge body respectively, and the stability of the bridge body in the moving process is improved.

Optionally, the left ring is close to the first stopper of groove fixedly connected with, and the right ring is close to the second stopper of lug fixedly connected with, and the second stopper is connected with a plurality of reinforcing bolts, and reinforcing bolt passes second stopper and first stopper and is connected with lock nut.

Through adopting above-mentioned technical scheme, left side ring and right ring are with the fixed back in pontic both ends, and the reinforcing bolt passes second stopper and first stopper and is connected with lock nut, is favorable to improving the stability of being connected of left side ring and right ring, prevents that loose separation from appearing in left side ring and right ring.

Optionally, the two ends of the fixing block are connected with first screw rods, and the lifting rod is provided with a plurality of screw holes matched with the first screw rods in the vertical direction.

Through adopting above-mentioned technical scheme, the lifting rod removes the pontic to the assigned position after, through first screw rod and corresponding screw threaded connection together, is favorable to improving the stability of pontic when building to the fixed of lifting rod position.

Optionally, one end of the load platform close to the first connecting rod is fixedly connected with a balancing weight.

Through adopting above-mentioned technical scheme, the balancing weight is convenient for balance the atress of automobile body both sides, prevents that the automobile body from taking place the slope and turning on one's side.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the bridge lifting device is used, a bridge body to be replaced is lifted by the lifting rope, the driving device drives the two first connecting rods to synchronously rotate, the third connecting rod drives the lifting rod to move the bridge body to a specified position through the transmission action among the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, then the splicing construction of the bridge is completed, the bridge body does not need to be manually moved, a large amount of manpower, material resources and time can be saved, and the bridge body is simpler and more convenient to replace;

2. when the lifting rod drives the bridge body to move up and down, the through hole is convenient for limiting the lifting rod piece, the lifting rod is prevented from shaking when moving, and the stability of the lifting rod when moving the bridge body is favorably improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a bridge lifting device.

Fig. 2 is intended to highlight the structural schematic of the drive means.

Figure 3 is an exploded view of the lifting ring.

Description of reference numerals: 1. a vehicle body; 2. a load table; 3. positioning blocks; 4. a first link; 5. a drive device; 6. a second link; 7. a third link; 8. a convex plate; 9. a fourth link; 10. a lifting bar; 11. lifting a rope; 12. a horizontal axis; 13. a special motor; 14. a first bevel gear; 15. a second bevel gear; 16. a fixed block; 17. a through hole; 18. a hydraulic cylinder; 19. a support plate; 20. hoisting a ring; 21. a left ring; 22. a right ring; 23. a groove; 24. a bump; 25. a first stopper; 26. a second limiting block; 27. a reinforcing bolt; 28. locking the nut; 29. a first screw; 30. a screw hole; 31. and a balancing weight.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses bridge elevating gear.

Referring to fig. 1 and 2, the bridge lifting device comprises a vehicle body 1, wherein wheels are mounted on the vehicle body 1, and the bridge lifting device can be conveniently moved to a construction site. The automobile body 1 is fixed with load platform 2, and load platform 2 top fixedly connected with locating piece 3, locating piece 3 all rotate along length direction's both ends and are connected with first connecting rod 4, and locating piece 3 is equipped with two first connecting rod 4 pivoted drive arrangement 5 of drive, and first connecting rod 4 deviates from the one end rotation of locating piece 3 and is connected with second connecting rod 6, and drive arrangement 5 drives two first connecting rods 4 and rotates, and first connecting rod 4 rotates and drives second connecting rod 6 and rotate.

Referring to fig. 1 and 2, a third link 7 is rotatably connected to an end of the second link 6 away from the first link 4, and the second link 6 rotates to rotate the third link 7; a convex plate 8 is fixedly arranged on the upper end face of the positioning block 3, two ends of the upper end part of the convex plate 8 are rotatably connected with a fourth connecting rod 9, one end of the fourth connecting rod 9, which is far away from the convex plate 8, is rotatably connected with a third connecting rod 7, which is close to the fourth connecting rod 9, the fourth connecting rod 9 plays a role in supporting the third connecting rod 7, and meanwhile, the third connecting rod 7 is ensured to swing; one end of the third connecting rod 7 departing from the second connecting rod 6 is rotatably connected with a lifting rod 10, and then the third connecting rod 7 rotates to drive the lifting rod 10 to move up and down.

Referring to fig. 1 and 2, the lower end of the lifting rod 10 is connected with a lifting rope 11, the lower end of the lifting rope 11 is connected with a hoisting ring 20, the bridge lifting device moves the vehicle body 1 to a bridge construction position in the using process, the hoisting ring 20 is used for hoisting two ends of a bridge body to be replaced, the weight of the bridge body is large, and the load platform 2 can provide a bearing platform for the positioning block 3 and the lifting rope 11. Can transport the pontic to the bridge job site at the prefabricated processing of mill, then through rotating first connecting rod 4 in bridge construction department, through first connecting rod 4, second connecting rod 6, third connecting rod 7, the transmission effect between the fourth connecting rod 9, lifter 10 drives hoisting ring 20 and lifts by crane the pontic, make the pontic move in vertical direction, move the pontic to appointed position, treat that the pontic is stable after, damage or fracture department processing together with the pontic along length direction's both ends and on-the-spot bridge again, and then accomplish the concatenation construction to the bridge, do not need artifical manual to move the pontic, can save a large amount of manpower and materials and time, it is comparatively simple and convenient to change the pontic.

Referring to fig. 1 and 2, the driving device 5 includes a horizontal shaft 12, a special motor 13, a first bevel gear 14 and a second bevel gear 15, the horizontal shaft 12 is disposed to penetrate through the length direction of the positioning block 3, two ends of the horizontal shaft 12 are fixedly connected to the two first connecting rods 4, respectively, the first bevel gear 14 is fixedly connected to the middle of the horizontal shaft 12, the special motor 13 is fixed to the positioning block 3, and the special motor 13 is a motor with a large power. The cavity has been seted up to locating piece 3 upper end, special motor 13 is located the cavity top, special motor 13 output shaft fixedly connected with second bevel gear 15, start special motor 13, special motor 13 drives second bevel gear 15 and rotates, second bevel gear 15 meshes with first bevel gear 14, first bevel gear 14 and second bevel gear 15 all are located the cavity, and then make first bevel gear 14 rotate, first bevel gear 14 drives cross axle 12 again and rotates, make cross axle 12 drive two first connecting rods 4 and rotate simultaneously, realize the removal of lifter 10 to the pontic, accomplish the lift removal to the pontic through mechanical transmission, can save a large amount of manpower resources, improve machining efficiency.

Referring to fig. 1, lifting rod 10 is behind the hoisting bridge body, and the bridge body has great weight, and easy automobile body 1 both sides atress is uneven, and load platform 2 is close to first connecting rod 4 fixedly connected with balancing weight 31, and the balancing weight 31 is convenient for balance the atress of automobile body 1 both sides, prevents that automobile body 1 from taking place the slope and turning on one's side.

Referring to fig. 1 and 2, when lifting rod 10 reciprocates in driving the axle body, locating piece 3 deviates from one end fixedly connected with fixed block 16 of first connecting rod 4, vertical through-hole 17 with lifting rod 10 looks adaptation is seted up to fixed block 16, vertical through-hole 17 is convenient spacing to lifting rod 10, lifting rod 10 passes through-hole 17 and with fixed block 16 sliding connection, lifting rod 10 is when reciprocating, lifting rod 10 slides with vertical through-hole 17 inner wall, prevent that lifting rod 10 from taking place to rock when reciprocating, can improve the stability of lifting rod 10 when moving the axle body.

Referring to fig. 1, the two ends of the fixed block 16 along the length direction are connected with first screw rods 29, the lifting rod 10 is provided with a plurality of screw holes 30 matched with the first screw rods 29 along the vertical direction, after the bridge body is moved to a specified position by the lifting rod 10, an operator enables the first screw rods 29 to penetrate through the fixed block 16 and the corresponding screw holes 30 on the lifting rod 10 to be in threaded connection, the position of the lifting rod 10 is fixed, the lifting rod 10 cannot move in the construction process of the bridge body, the stability of the bridge body during construction is improved, the two ends of the bridge body are well constructed with the bridge, and after the bridge body is well constructed, the operator separates the first screw rods 29 from the screw holes 30 on the lifting rod 10.

Referring to fig. 1 and 3, when the lifting rope 11 lifts the bridge body, two lifting rings 20 respectively fix two ends of the bridge body along the length direction, each lifting rope 11 includes four lifting ropes, two lifting rings 21 are respectively connected with two right rings 22, when the lifting rings 20 fix the bridge body, initially, the left rings 21 are separated from the right rings 22, a plurality of grooves 23 are formed at two ends of the left rings 21, a plurality of protrusions 24 matched with the grooves 23 are fixedly arranged at two ends of the right rings 22, an operator clamps the bridge body between the left rings 21 and the right rings 22, the protrusions 24 on the right rings 22 are inserted into the grooves 23 on the left rings 21, and the left rings 21 and the right rings 22 are inserted together to fix two ends of the bridge body.

Referring to fig. 1 and 3, the left ring 21 is close to the first stopper 25 of recess 23 fixedly connected with, the right ring 22 is close to the second stopper 26 of lug 24 fixedly connected with, the second stopper 26 is connected with three reinforcing bolt 27, when the left ring 21 is pegged graft with the right ring 22 and is blocked the pontic both ends together, reinforcing bolt 27 passes second stopper 26 and first stopper 25 and is connected with lock nut 28, can prevent loose separation from appearing in left ring 21 and right ring 22, improve the stability of being connected of left ring 21 and right ring 22, hoist and mount ring 20 also can protect the pontic in the removal simultaneously. After the bridge body is built at the designated position of the bridge, an operator separates the reinforcing bolt 27 from the locking nut 28, separates the reinforcing bolt 27 from the first limiting block 25 and the second limiting block 26, and separates the left ring 21 from the right ring 22.

Referring to fig. 1, when the lifting rope 11 drives the bridge body to move, the bridge body is easy to shake, which may cause the bridge body not to be kept horizontal; the lower tip fixedly connected with pneumatic cylinder 18 that locating piece 3 deviates from 4 one ends of first connecting rod, pneumatic cylinder 18 output fixedly connected with layer board 19, start pneumatic cylinder 18, pneumatic cylinder 18 output drives layer board 19 and shifts up, make layer board 19 contradict with the lower terminal surface middle part position of pontic, the pontic is moving the in-process down, pneumatic cylinder 18 synchronous start drives layer board 19 and moves down along with the pontic, make the pontic keep the level, layer board 19 cushions and supports the pontic simultaneously, balanced lifting rope 11's atress, can improve the stability of pontic when removing and installing, the guarantee is to the construction effect of bridge.

The implementation principle of the bridge lifting device in the embodiment of the application is as follows: the bridge lifting device is used for moving the vehicle body 1 to a bridge construction position, two end parts of a bridge body to be replaced are hung by the hoisting ring 20, the second bevel gear 15 is driven to rotate by the special motor 13 at the bridge construction position, then the first bevel gear 14 drives the transverse shaft 12 to rotate, the first connecting rod 4 is rotated, the lifting rod 10 drives the hoisting ring 20 to hoist the bridge body through the transmission effect between the first connecting rod 4, the second connecting rod 6, the third connecting rod 7 and the fourth connecting rod 9, the bridge body is moved to a specified position, two ends of the bridge body are connected with the damaged or fractured position of the on-site bridge body in a processing mode, the bridge body is spliced and built, the bridge body does not need to be manually moved, a large amount of manpower, material resources and time can be saved, and the replacement of the bridge body is simple and convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge elevating gear, includes automobile body (1), its characterized in that: automobile body (1) is equipped with load platform (2), load platform (2) top has set firmly locating piece (3), locating piece (3) both ends are all rotated and are connected with first connecting rod (4), locating piece (3) are equipped with two first connecting rod of drive (4) pivoted drive arrangement (5) simultaneously, the one end that first connecting rod (4) deviate from locating piece (3) is rotated and is connected with second connecting rod (6), second connecting rod (6) deviate from the one end rotation of first connecting rod (4) and are connected with third connecting rod (7), locating piece (3) up end has set firmly flange (8), flange (8) both ends are rotated and are connected with fourth connecting rod (9), fourth connecting rod (9) rotate with third connecting rod (7) that are close to fourth connecting rod (9), third connecting rod (7) deviate from the one end rotation of second connecting rod (6) and are connected with lifting rod (10), the tip is connected with lifting rope (11) under lifting rod (10).

2. A bridge lifting device according to claim 1, characterised in that: the driving device (5) comprises a transverse shaft (12), a special motor (13), a first bevel gear (14) and a second bevel gear (15), the transverse shaft (12) penetrates through the positioning block (3), two ends of the transverse shaft (12) are fixedly connected with the two first connecting rods (4) respectively, the special motor (13) is fixedly arranged on the positioning block (3), the first bevel gear (14) is fixedly arranged in the middle of the transverse shaft (12), and an output shaft of the special motor (13) is fixedly connected with the second bevel gear (15) meshed with the first bevel gear (14).

3. A bridge lifting device according to claim 1, characterised in that: one end fixedly connected with fixed block (16) that locating piece (3) deviate from first connecting rod (4), vertical through-hole (17) with lifting rod (10) looks adaptation are seted up in fixed block (16), and lifting rod (10) pass through-hole (17) and with fixed block (16) sliding connection.

4. A bridge lifting device according to claim 1, characterised in that: the positioning block (3) is fixedly connected with a hydraulic cylinder (18), and the output end of the hydraulic cylinder (18) is fixedly connected with a supporting plate (19).

5. A bridge lifting device according to claim 1, characterised in that: the lower tip fixedly connected with hoisting ring (20) of lifting rope (11), hoisting ring (20) are including left ring (21) and right ring (22), and a plurality of recesses (23) have been seted up at the both ends of left ring (21), and the both ends of right ring (22) are set firmly a plurality of lugs (24) with recess (23) matched with.

6. A bridge lifting device according to claim 5, characterised in that: the left side ring (21) is close to the first stopper (25) of fixedly connected with of recess (23) department, and right side ring (22) is close to the second stopper (26) of fixedly connected with of lug (24) department, and second stopper (26) are connected with a plurality of reinforcing bolts (27), and reinforcing bolt (27) pass second stopper (26) and first stopper (25) piece and are connected with lock nut (28).

7. A bridge lifting device according to claim 3, characterised in that: the two ends of the fixed block (16) are connected with first screw rods (29), and the lifting rod (10) is provided with a plurality of screw holes (30) matched with the first screw rods (29) in the vertical direction.

8. A bridge lifting device according to claim 1, characterised in that: one end of the load platform (2) close to the first connecting rod (4) is fixedly connected with a balancing weight (31).