CN213625246U

CN213625246U - Bridge construction frame bridge crane firmly clasped with hoisting bridge body component

Info

Publication number: CN213625246U
Application number: CN202022070642.2U
Authority: CN
Inventors: 郑少龙
Original assignee: Wuhan Wuqiao Pengchuang Heavy Equipment Engineering Co ltd
Current assignee: Wuhan Wuqiao Pengchuang Heavy Equipment Engineering Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-06
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a bridge girder erection machine firmly clasped with a hoisting bridge body component, which comprises two groups of first shells, wherein the two groups of first shells are internally and respectively sleeved with a first hydraulic rod, one ends of the two groups of first hydraulic rods are fixedly connected with a second shell, one sides of the upper ends of the two groups of second shells are fixedly provided with a limiting plate, one sides of the two groups of limiting plates are respectively and fixedly connected with a second hydraulic rod, one ends of the two groups of second hydraulic rods are respectively connected and fixed on two sides of a hanging beam, two groups of first rollers are fixedly arranged on two sides of the bottom end of the hanging beam, the lower ends of the two groups of first shells are sequentially and fixedly provided with a third hydraulic rod and a second roller, the bridge girder erection machine can be conveniently and rapidly transported through narrow places such as tunnels, the unnecessary waste of manpower and material resources caused by disassembly and reassembly is reduced, the dead weight of the bridge girder erection machine is reduced, the damage of the bridge erecting machine to the bridge body due to overweight self weight is improved to a certain extent.

Description

Bridge construction frame bridge crane firmly clasped with hoisting bridge body component

Technical Field

The utility model relates to a hoisting apparatus field specifically is a bridge girder erection machine of bridge construction who stabilizes the cohesion with hoist and mount pontic component.

Background

A large number of bridge construction projects exist in the laying of railways and highways, and bridge girder erection machines are indispensable main equipment in bridge construction, so that with the demand of social development, the construction of foundation construction projects tends to be in the rapid expansion process, the bridge girder erection machines can be rapidly developed under the background, and various high-quality, high-quality and high-efficiency bridge girder erection machines emerge, such as walking bridge girder erection machines, single-nose girder type bridge girder erection machines, double-nose girder type bridge girder erection machines, all-in-one construction machines and the like;

although the bridge girder erection machine is developed at a high speed, the size of the bridge girder erection machine is often huge due to the particularity of material transportation, a main girder and a guide beam are two different main body components, the guide beam is often required to be detached for independent transportation and then assembled in the transportation process or the construction process if small spaces such as tunnels are met, time and labor are consumed, the bridge girder erection machine is required to be placed on erected beam pieces for construction, and certain damage risks exist due to the fact that the self weight of the bridge girder pieces is large and the stress of the beam pieces is large, so that the bridge girder erection machine stably and coheres with a hoisting bridge body component is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge girder erection machine of bridge construction with firm cohesion of hoist and mount pontic component to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge girder erection machine stably embracing and closing a hoisting bridge body component comprises two groups of first shells, wherein two groups of first shells are internally sleeved with first hydraulic rods, one ends of the two groups of first hydraulic rods are fixedly connected with a second shell, one sides of the upper ends of the two groups of second shells are fixedly provided with limiting plates, one sides of the two groups of limiting plates are fixedly connected with second hydraulic rods, one ends of the two groups of second hydraulic rods are respectively connected and fixed to two sides of a hanging beam, two groups of first rollers are fixedly arranged on two sides of the bottom end of the hanging beam, T-shaped bearing rods are fixed on two ends of the hanging beam, ball caps are fixedly arranged on two sides of the bottom end of the two groups of T-shaped bearing rods, and a third hydraulic rod and a second roller are sequentially fixedly arranged on the lower ends of the two groups of first shells;

the lifting beam is characterized in that a main beam is slidably connected to the surface of one side of the lifting beam close to the middle position, two groups of U-shaped sliders are slidably connected to the lower end of the main beam, lifting mechanisms are fixedly connected to the lower ends of the U-shaped sliders, and a supporting mechanism is fixedly connected to one end of the main beam.

Preferably, it is two sets of the spout has all been seted up to the upper end both sides of second casing, and the spout size just is the axisymmetric setting with the big or small looks adaptation of first gyro wheel, and is two sets of the cavity groove has all been seted up by the intermediate position in the upper end of second casing, and the big or small looks adaptation of cavity groove size and T type bearing bar.

Preferably, the sliding grooves are formed in the two sides of the upper end and the lower end of the main beam, and the size of each sliding groove is matched with the clamping position of the hanging beam and the clamping position of the U-shaped sliding piece respectively.

Preferably, the inside fixed mounting of the lower extreme both sides spout of girder has cylinder linear guide, cylinder linear guide runs through the joint position of U type saddle both sides.

Preferably, round holes are formed in clamping positions on two sides of the two sets of U-shaped sliders, and the size of each round hole is matched with that of each cylindrical linear guide rail.

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

1. the first shell can be stretched through the arrangement of the first hydraulic rod, the height of the first shell is reduced, the guide beam integrally formed by the first shell and the second shell can be transversely stretched through the arrangement of the first roller and the second hydraulic rod, the overall volume of the guide beam is reduced, the whole bridge girder erection machine can be conveniently and quickly transported through narrow and small places such as tunnels, and unnecessary waste of manpower and material resources caused by disassembly and reassembly is reduced;

2. through sliding the girder and setting up on the hanging beam, can effectively reduce the use of high strength high weight accessory, alleviate the dead weight of frame bridge machine, it is convenient to remove, reduces the exerting pressure of the weak girder segment of having been under construction completion, improves the damage that the frame bridge machine produced the pontic because of dead weight overweight to a certain extent.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection mode of the present invention 1-2;

FIG. 3 is a schematic view of the connection structure of the present invention 3-21;

fig. 4 is an enlarged schematic view of the structure at a point a in the present application.

In the figure: 1. a first housing; 11. a first hydraulic lever; 12. a limiting plate; 13. a second hydraulic rod; 2. a hanging beam; 21. a T-shaped bearing bar; 211. a ball cap; 22. a first roller; 3. a second housing; 4. a third hydraulic lever; 5. a second roller; 6. a main beam; 61. a cylindrical linear guide rail; 7. a U-shaped slider; 8. a hoisting mechanism; 9. and a support mechanism.

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 to 4, the device comprises two sets of first housings 1, wherein first hydraulic rods 11 are respectively sleeved inside the two sets of first housings 1, one ends of the two sets of first hydraulic rods 11 are respectively and fixedly connected with second housings 3, sliding grooves are respectively formed on two sides of the upper ends of the two sets of second housings 3, the size of each sliding groove is matched with the size of a first roller 22 and is axially symmetrical, hollow grooves are respectively formed in the upper ends of the two sets of second housings 3 close to the middle position, the size of each hollow groove is matched with the size of a T-shaped bearing rod 21, a limiting plate 12 is respectively and fixedly arranged on one side of the upper ends of the two sets of second housings 3, a second hydraulic rod 13 is respectively and fixedly connected to one side of a hanging beam 2, two sides of the bottom end of the hanging beam 2 are respectively and fixedly provided with two sets of first rollers 22, two ends of the hanging beam 2 are respectively and fixedly provided with the T-shaped bearing rods 21, the two sides of the bottom ends of the two groups of T-shaped bearing rods 21 are fixedly provided with ball caps 211, and the lower ends of the two groups of first shells 1 are sequentially and fixedly provided with third hydraulic rods 4 and second rollers 5;

one side surface of hanging beam 2 leans on intermediate position sliding connection to have girder 6, the lower extreme sliding connection of girder 6 has two sets of U type sliders 7, the spout has all been seted up with the lower extreme both sides to the upper end of girder 6, the size of spout matches with the joint portion phase of hanging beam 2 and U type slider 7 respectively, the inside fixed mounting of lower extreme both sides spout of girder 6 has cylinder linear guide 61, cylinder linear guide 61 runs through the joint position of U type slider 7 both sides, the round hole has all been seted up in the both sides joint position department of two sets of U type sliders 7, and the round hole size matches with the size of cylinder linear guide 61, the equal fixedly connected with hoisting mechanism 8 of lower extreme of two sets of U type sliders 7, the one end fixedly connected with supporting mechanism 9 of girder 6.

The working principle is as follows: the device is moved to a position to be erected, two groups of first pulleys 22 on two sides of the lower end of a hanging beam 2 slide in sliding grooves on two sides of a second shell 3, cylinders on two sides are unfolded outwards, a first hydraulic rod 11 is started after the two groups of first pulleys are unfolded, the first hydraulic rod drives a first shell 1 to move downwards, second rollers 5 moving to two sides fall to the ground, two groups of third hydraulic rods 4 are started to reach the ground, the two groups of third hydraulic rods 4 support the device in an auxiliary mode to reduce pressure generated by the device on the second rollers 22, the two groups of second hydraulic rods 13 are supported by a limiting plate 12, when the second shell 3 moves outwards or the device works, the two groups of cylinders are moved in an auxiliary mode and supported and fixed, the phenomenon that the device is unstable due to sliding of the rollers during working is prevented, a hollow groove is formed in the middle part of the second shell 3, when the second shell 3 moves or is fixed, the T-shaped hanging piece 21 is connected and fixed with the hanging beam 2 and the cylinder part below the second shell 3 through the hollow groove all the time, the ball caps 211 arranged at the two sides of the T-shaped hanging piece can reduce the friction between the T-shaped hanging piece 21 and the hollow groove when the T-shaped hanging piece 21 moves in the hollow groove, so that the T-shaped hanging piece can move more smoothly and the service life of the T-shaped hanging piece is prolonged, the main beam 6 is clamped on the outer surface of one side of the hanging beam 2, the main beam 6 moves forwards through the chutes at the two sides of the upper end of the main beam, the cylinder part below the second shell 3 supports the T-shaped hanging piece, the supporting mechanism 9 arranged at the front end of the main beam 2 moves downwards to the bridge pier which is not erected, the front end of the main beam 6 is fixed, two groups of U-shaped sliders 7 are started, the U-shaped sliders 7 move in the chutes at the two sides of the main beam 2 through the cylindrical linear guide, the middle supporting column body of the main beam 2 moves forwards to the front end position of the main beam 2 through the second idler wheel 5, the supporting mechanism 9 is folded, the supporting column body at the other end of the main beam drives the main beam 2 to move forwards through the second idler wheel 5, and the operation is repeated when the front end of the main beam 2 moves to the next pier until the bridge erection is completed.

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

1. The utility model provides a bridge construction frame bridge crane who closes with firm cohesion of hoist and mount pontic component, includes two sets of first casings (1), its characterized in that: the two groups of first shells (1) are internally sleeved with first hydraulic rods (11), one ends of the two groups of first hydraulic rods (11) are fixedly connected with second shells (3), one sides of the upper ends of the two groups of second shells (3) are fixedly provided with limiting plates (12), one sides of the two groups of limiting plates (12) are fixedly connected with second hydraulic rods (13), one ends of the two groups of second hydraulic rods (13) are respectively connected and fixed on two sides of a hanging beam (2), two groups of first rollers (22) are fixedly arranged on two sides of the bottom end of the hanging beam (2), t-shaped bearing rods (21) are fixed at two ends of the hanging beam (2), ball caps (211) are fixedly mounted at two sides of the bottom end of each of the two groups of T-shaped bearing rods (21), and third hydraulic rods (4) and second rollers (5) are sequentially and fixedly mounted at the lower ends of the two groups of first shells (1);

the lifting mechanism is characterized in that a main beam (6) is connected to one side surface of the lifting beam (2) by means of sliding in the middle, two sets of U-shaped sliders (7) are connected to the lower end of the main beam (6) in a sliding mode, lifting mechanisms (8) are fixedly connected to the lower ends of the U-shaped sliders (7), and a supporting mechanism (9) is fixedly connected to one end of the main beam (6).

2. A bridge girder erection machine for bridge construction stably embracing and hanging bridge body components according to claim 1, which is characterized in that: two sets of the spout has all been seted up to the upper end both sides of second casing (3), and the spout size and the big or small looks adaptation of first gyro wheel (22), and be the axisymmetric setting, two sets of the cavity groove has all been seted up by the intermediate position in the upper end of second casing (3), and the big or small looks adaptation of cavity groove size and T type bearing bar (21).

3. A bridge girder erection machine for bridge construction stably embracing and hanging bridge body components according to claim 1, which is characterized in that: the upper end and the lower end both sides of girder (6) have all seted up the spout, the size of spout respectively with hanging beam (2) and U type slider (7) joint position adaptation.

4. A bridge girder erection machine for bridge construction stably embracing and hanging bridge body components according to claim 1, which is characterized in that: the inside fixed mounting of the lower extreme both sides spout of girder (6) has cylinder linear guide (61), cylinder linear guide (61) run through the joint position of U type slider (7) both sides.

5. A bridge girder erection machine for bridge construction stably embracing and hanging bridge body components according to claim 1, which is characterized in that: two sets of round holes have all been seted up to the both sides joint position department of U type slider (7), and the round hole size and the size phase-match of cylinder linear guide (61).