CN219568634U - Old bridge demolishs hoisting accessory - Google Patents

Abstract

The utility model relates to the technical field of bridge construction and discloses an old bridge dismantling and lifting device, which comprises a steel plate, wherein a limit groove is formed in the steel plate, the steel plate is in a square frame shape, two locating plates are fixedly arranged at the top end of the steel plate, fixing structures are symmetrically arranged at the top ends of the locating plates, limit structures are symmetrically arranged at one sides of the fixing structures at the top ends of the locating plates, an old bridge body can be effectively fixed by arranging the fixing structures and the limit structures, the integrity of the old bridge body during dismantling is ensured, the safety of the old bridge body is improved, an output shaft of a hydraulic cylinder pushes a push rod, the locating rods are connected with a pressing block b on a steel pipe pile to be close to the middle, the top end of the pressing block b begins to press the old bridge body, meanwhile, the push rod pushes a cylinder to slide upwards, and the cylinder pushes one side of the pressing block a to ascend.

Description

Old bridge demolishs hoisting accessory

Technical Field

The utility model relates to the technical field of bridge construction, in particular to an old bridge dismantling and lifting device.

Background

The bridge construction engineering is based on reinforced concrete, in the engineering construction process, due to the problems of change or error of design function and construction quality, certain poured concrete structures must be removed, the traditional method is manual chiseling or mechanical crushing, more advanced is static crushing or blasting removal, the method can generate disturbance damage to different degrees on the reserved structures in the removal process, cracks are generated on the reserved parts of the concrete or the steel bars are separated from the concrete, the quality requirements of the original design are difficult to meet, the structure of an old bridge body is easy to damage in the old bridge removal process, the integrity of the old bridge body is difficult to be ensured, and safety accidents are easy to occur during lifting, so that the old bridge removal lifting device is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a lifting device for dismantling an old bridge, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hoisting accessory is demolishd to old bridge, includes the steel sheet, the spacing groove has been seted up on the steel sheet, and the steel sheet sets up to square frame formula, and the top fixed mounting of steel sheet has two locating plates, and the top symmetry of locating plate is provided with fixed knot and constructs, and the locating plate top is located one side symmetry of fixed knot and constructs and be provided with limit structure.

Preferably, the fixed knot constructs including mounting, locating lever, spring, drum, steel-pipe pile, briquetting b and fixed block, the top fixed mounting of locating plate has two mountings, is provided with the recess on the mounting, and recess internal rotation is connected with the steel-pipe pile, and fixed mounting has briquetting b on the steel-pipe pile, and briquetting b sets up to the zigzag, and steel-pipe pile top fixed mounting has the locating lever, and sliding connection has the drum on the locating lever, and one side fixed mounting of drum has the fixed block, is located the top cover of drum on the locating lever and is equipped with the spring.

Preferably, limit structure is including hydraulic cylinder, push rod, first connecting piece, connecting rod and briquetting a, the locating plate rotates through the mounting and is connected with hydraulic cylinder, and hydraulic cylinder's output fixed mounting has the push rod, and push rod opposite side fixed mounting has first connecting piece, and first connecting piece rotates with the fixed block to be connected, is located the outside rotation that first connecting piece is connected with the second connecting piece on the fixed block, and the opposite side fixedly connected with connecting rod of second connecting piece, the equal fixed mounting in both sides of connecting rod has the second connecting piece, and the opposite side of connecting rod is connected with briquetting a through the second connecting piece rotation that sets up, has seted up the holding tank on the briquetting a, the locating lever runs through the holding tank and the top and the briquetting a rotation of locating lever are connected.

Preferably, the mounting seats are fixedly arranged around the top end of the steel plate, and through holes are formed in the mounting seats.

Preferably, universal wheels are fixedly arranged around the bottom end of the steel plate.

(III) beneficial effects

Compared with the prior art, the utility model provides the old bridge dismantling and lifting device, which has the following beneficial effects:

1. this hoisting accessory is demolishd to old bridge, through setting up fixed knot constructs and limit structure, can effectively fix the old bridge body, the wholeness of old bridge body when demolishing has been ensured, the security has been improved, during the use, the staff puts the device in old bridge body bottom, start hydraulic cylinder, hydraulic cylinder's output shaft promotes the push rod, the locating lever is even to be close in the middle of carrying briquetting b on the steel-pipe pile this moment, briquetting b's top begins to compress tightly the old bridge body, simultaneously the push rod promotes the drum and upwards slides, the spring takes place deformation and produces elasticity, play buffer protection's effect to the drum, the drum is carried the connecting rod and is upwards moved, the one side of connecting rod opposite side promotion briquetting a rises, because briquetting a's middle part and locating lever rotate to be connected, according to lever principle, briquetting a's opposite side downwardly moving, and compress tightly the old bridge body, finally reach the effect of fixed old bridge body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a limiting structure of the present utility model;

fig. 3 is a schematic view of a steel pipe pile according to the present utility model.

In the figure: 1. a steel plate; 2. a limit groove; 3. a mounting base; 4. a universal wheel; 5. a positioning plate; 6. a fixing member; 7. a hydraulic cylinder; 8. a push rod; 9. a first connector; 10. a connecting rod; 11. briquetting a; 12. a receiving groove; 13. a positioning rod; 14. a spring; 15. a cylinder; 16. a steel pipe pile; 17. briquetting b; 18. a fixed block; 19. and a second connecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a lifting device for removing an old bridge comprises a steel plate 1, wherein a limit groove 2 is formed in the steel plate 1, the steel plate 1 is in a square frame shape, two positioning plates 5 are fixedly mounted on the top end of the steel plate 1, fixing structures are symmetrically arranged on the top ends of the positioning plates 5, and limit structures are symmetrically arranged on one sides of the top ends of the positioning plates 5, which are located on the fixing structures.

Further, the fixed knot constructs including mounting 6, locating lever 13, spring 14, drum 15, steel-pipe pile 16, briquetting b17 and fixed block 18, the top fixed mounting of locating plate 5 has two mounting 6, be provided with the recess on the mounting 6, and the recess internal rotation is connected with steel-pipe pile 16, fixedly mounted has briquetting b17 on the steel-pipe pile 16, and briquetting b17 sets up to the zigzag, steel-pipe pile 16 top fixed mounting has locating lever 13, sliding connection has drum 15 on the locating lever 13, one side fixed mounting of drum 15 has fixed block 18, the top cover that is located drum 15 on the locating lever 13 is equipped with spring 14, start hydraulic cylinder 7, the output shaft of hydraulic cylinder 7 promotes push rod 8, the locating lever 13 is drawn close to the centre with briquetting b17 on the steel-pipe pile 16 this moment, the top of briquetting b17 begins to compress tightly old bridge body.

Further, limit structure is including hydraulic cylinder 7, push rod 8, first connecting piece 9, connecting rod 10 and briquetting a11, locating plate 5 rotates through mounting 6 and is connected with hydraulic cylinder 7, hydraulic cylinder 7's output fixed mounting has push rod 8, push rod 8 opposite side fixed mounting has first connecting piece 9, first connecting piece 9 rotates with fixed block 18 to be connected, be located the outside rotation of first connecting piece 9 on the fixed block 18 and be connected with second connecting piece 19, the opposite side fixedly connected with connecting rod 10 of second connecting piece 19, the both sides of connecting rod 10 are all fixed mounting have second connecting piece 19, the opposite side of connecting rod 10 is connected with briquetting a11 through the rotation of second connecting piece 19 that sets up, the holding tank 12 has been seted up on briquetting a11, locating lever 13 runs through holding tank 12 and the top and the locating lever 13 rotates with briquetting a11 to be connected, simultaneously push rod 8 promotes drum 15 upwards to slide, spring 14 takes place to deform and produces elasticity, play the effect of buffering protection to drum 15, link 10 moves upwards, one side of briquetting a11 is promoted to the opposite side of connecting rod 10, because the middle part and locating lever 13 rotates, and the bridge 11 moves down, the old bridge is reached, finally, the old bridge is fixed, the effect is reached.

Further, all around the top of steel sheet 1 all fixed mounting has mount pad 3, and has seted up the through-hole on the mount pad 3, through setting up mount pad 3, the staff of being convenient for lifts by crane old bridge body.

Further, universal wheels 4 are fixedly arranged around the bottom end of the steel plate 1.

Working principle: when the device is used, a worker puts the device at the bottom of an old bridge body, the hydraulic cylinder 7 is started, the output shaft of the hydraulic cylinder 7 pushes the push rod 8, the positioning rod 13 is connected with the pressing block b17 on the steel pipe pile 16 to be close to the middle, the top end of the pressing block b17 starts to press the old bridge body, meanwhile, the push rod 8 pushes the cylinder 15 to slide upwards, the spring 14 deforms to generate elasticity, the cylinder 15 plays a role in buffering protection, the cylinder 15 moves upwards with the connecting rod 10, the other side of the connecting rod 10 pushes one side of the pressing block a11 to rise, and as the middle part of the pressing block a11 is rotationally connected with the positioning rod 13, the other side of the pressing block a11 moves downwards and presses the old bridge body according to the lever principle, the effect of fixing the old bridge body is finally achieved, and the old bridge body is lifted by the installation of the installation seat 3 by the worker conveniently.

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

Claims (5)

1. The utility model provides a hoisting accessory is demolishd to old bridge, includes steel sheet (1), its characterized in that: the limiting groove (2) is formed in the steel plate (1), the steel plate (1) is arranged into a square frame, two positioning plates (5) are fixedly mounted on the top end of the steel plate (1), fixing structures are symmetrically arranged on the top ends of the positioning plates (5), and limiting structures are symmetrically arranged on one sides of the top ends of the positioning plates (5) located on the fixing structures.

2. The old bridge removal hoisting device of claim 1, wherein: the utility model provides a fixed knot constructs including mounting (6), locating lever (13), spring (14), drum (15), steel-pipe pile (16), briquetting b (17) and fixed block (18), the top fixed mounting of locating plate (5) has two mounting (6), is provided with the recess on mounting (6), and recess internal rotation is connected with steel-pipe pile (16), fixed mounting has briquetting b (17) on steel-pipe pile (16), and briquetting b (17) set up to the Z style of calligraphy, steel-pipe pile (16) top fixed mounting has locating lever (13), sliding connection has drum (15) on locating lever (13), one side fixed mounting of drum (15) has fixed block (18), the top cover that is located drum (15) on locating lever (13) is equipped with spring (14).

3. The old bridge removal hoisting device of claim 2, wherein: limit structure is including hydraulic cylinder (7), push rod (8), first connecting piece (9), connecting rod (10) and briquetting a (11), locating plate (5) are rotated through mounting (6) and are connected with hydraulic cylinder (7), the output fixed mounting of hydraulic cylinder (7) has push rod (8), push rod (8) opposite side fixed mounting has first connecting piece (9), first connecting piece (9) are rotated with fixed block (18) and are connected, be located the outside rotation of first connecting piece (9) on fixed block (18) and be connected with second connecting piece (19), the opposite side fixedly connected with connecting rod (10) of second connecting piece (19), the opposite side of connecting rod (10) is rotated through the second connecting piece (19) that set up and is connected with briquetting a (11), hold tank (12) have been seted up on briquetting a (11), locating lever (13) run through hold tank (12) and the top and briquetting a (11) of locating lever (13) rotate and are connected.

4. The old bridge removal hoisting device of claim 1, wherein: the periphery of the top end of the steel plate (1) is fixedly provided with a mounting seat (3), and the mounting seat (3) is provided with a through hole.

5. The old bridge removal hoisting device of claim 1, wherein: universal wheels (4) are fixedly arranged around the bottom end of the steel plate (1).