CN221320678U - Bridge girder erection machine for high-speed railway erection - Google Patents

Abstract

The utility model relates to the technical field of high-speed railway erection, and provides a bridge girder erection machine for high-speed railway erection, which comprises a bottom plate, wherein a supporting component is arranged at the top end of the bottom plate, a fixing frame is fixedly connected to the top end of the supporting component, a movable frame is fixedly connected to the inner side of the fixing frame, a movable component is arranged on the surface of the movable frame, lifting equipment is fixedly connected to the bottom end of the movable component, the supporting component comprises a first fixed block, the bottom end of the first fixed block is fixedly connected to the middle part of the top surface of the bottom plate, a second fixed block shell is driven to slide in the interior of a prefabricated bridge girder by the arranged supporting component, and meanwhile, the arranged damper and a spring are compressed, so that under the cooperation of the damper and the spring, the buffer effect is realized in the process of moving the prefabricated bridge girder, the stability during movement is improved, the safety of the bridge girder erection is improved, and the bridge erection work is completed better.

Description

Bridge girder erection machine for high-speed railway erection

Technical Field

The utility model relates to the technical field of high-speed railway erection, in particular to a bridge girder erection machine for high-speed railway erection.

Background

In the high-speed railway erection, a bridge girder erection machine is required, and the basic working principle of the bridge girder erection machine is that a prefabricated bridge girder is overhanging from a pier or a buttress on one side to the other side, and is gradually assembled into a complete bridge structure. The bridge girder erection machine has the advantage that it can be installed without disturbing traffic, because it is suspended to work over the bridge most of the time. This allows the high-speed rail line to remain relatively clear during construction.

Through retrieval, the prior patent (bulletin number: CN 207727429U) discloses a bridge girder erection machine, which comprises a girder horizontally arranged, a front supporting leg for supporting the girder, a front supporting leg, a rear supporting leg, a crane arranged below the girder and capable of sliding along the girder, and a plurality of suspension girders arranged above the girder and capable of sliding along the girder, wherein the crane lifts up a prefabricated bridge, and the suspension girders suspend and convey the prefabricated bridge to the position right above a girder area to be bridged. The bridge girder erection machine provided by the utility model has the advantages that the prefabricated bridge is lifted by the crane, and then the prefabricated bridge is conveyed to the designated position by the plurality of suspension beams, so that the bridge girder erection speed is improved.

However, in the above scheme, when the prefabricated bridge beam is moved, the stability is poor, a destabilization phenomenon is easy to occur, the destabilization phenomenon easily causes stress unbalance and other phenomena when the prefabricated bridge beam is moved, and accidents are easy to occur.

In view of the above, the utility model provides a bridge girder erection machine for high-speed rail erection.

Disclosure of utility model

The utility model provides a bridge girder erection machine for high-speed rail erection, which solves the problems that in the prior art, when a prefabricated bridge girder is moved, the stability is poor, the instability phenomenon is easy to occur, the instability phenomenon is easy to cause stress unbalance and the like when the prefabricated bridge girder is moved, and accidents are easy to occur.

The technical scheme of the utility model is as follows: the bridge girder erection machine for the high-speed rail erection comprises a bottom plate and is characterized in that a supporting component is arranged at the top end of the bottom plate, a fixing frame is fixedly connected to the top end of the supporting component, a movable frame is fixedly connected to the inner side of the fixing frame, a movable component is arranged on the surface of the movable frame, and lifting equipment is fixedly connected to the bottom end of the movable component;

The support assembly comprises a first fixed block, and the bottom end of the first fixed block is fixedly connected to the middle of the top surface of the bottom plate.

Preferably, the top end of the first fixed block is fixedly connected with a damper, and a spring is arranged around the surface of the damper.

Preferably, the top end fixedly connected with second fixed block of attenuator, the top end fixedly connected with roof of second fixed block, the shape size of second fixed block and first fixed block equals.

Preferably, the support assembly further comprises a support column, the bottom end of the support column is fixedly connected to the top surface of the bottom plate, a casing is fixedly connected to the top end of the support column, and the casing, the second fixing block and the first fixing block are arranged in a matched mode.

Preferably, the moving assembly comprises a sliding frame, the sliding frame is connected to the surface of the moving frame in a sliding mode, and an auxiliary wheel is fixedly connected to the top of the inner side of the sliding frame.

Preferably, driving motors are fixedly arranged on two sides of the sliding frame, and output ends of the driving motors penetrate through two sides of the sliding frame and are fixedly connected with rollers.

Preferably, limit grooves are symmetrically formed in two sides of the movable frame, the limit grooves are in rolling connection with the rollers, two wheel-out rails are arranged at the top end of the movable frame, and the wheel rails are located under the auxiliary wheels.

Preferably, two groups of mounting holes are formed in the bottom plate, and the two groups of mounting holes are symmetrically distributed with respect to the vertical center line of the bottom plate.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, when the prefabricated bridge beam is moved through the supporting component, the top plate drives the second fixed block to slide in the shell, and the damper and the spring are compressed, so that the buffer effect is achieved in the process of moving the prefabricated bridge beam under the cooperation of the damper and the spring, the stability in moving is improved, the safety of work is increased, and the bridge erection work is completed better;

2. According to the utility model, through the arranged moving components, the driving motors arranged at two sides of the sliding frame are started to drive the rollers to move in the limit grooves arranged at two sides of the moving frame, and meanwhile, the auxiliary wheels are arranged to move on the wheel rail arranged at the top end of the moving frame, so that the prefabricated bridge beam is driven to move, and the bridge beam is gradually assembled into a complete bridge structure from the pier or the buttress at one side to the other side.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

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

FIG. 2 is a schematic cross-sectional view of a support assembly of the present utility model;

FIG. 3 is a schematic view of the structure between the moving assembly and the moving frame according to the present utility model;

Fig. 4 is a schematic diagram of a moving assembly according to the present utility model.

In the figure: 1. a bottom plate; 2. a mounting hole; 3. a support assembly; 301. a first fixed block; 302. a damper; 303. a spring; 304. a second fixed block; 305. a top plate; 306. a support column; 307. a casing; 4. a fixing frame; 5. a moving rack; 6. a limit groove; 7. wheel rail; 8. a moving assembly; 801. a carriage; 802. a driving motor; 803. a roller; 804. an auxiliary wheel; 9. and lifting the equipment.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

Example 1

The preferred embodiment of the bridge girder erection machine for high-speed railway provided by the utility model is shown in fig. 1 to 4: the bridge girder erection machine for the high-speed rail erection comprises a bottom plate 1 and is characterized in that a supporting component 3 is arranged at the top end of the bottom plate 1, a fixing frame 4 is fixedly connected to the top end of the supporting component 3, a movable frame 5 is fixedly connected to the inner side of the fixing frame 4, a movable component 8 is arranged on the surface of the movable frame 5, and lifting equipment 9 is fixedly connected to the bottom end of the movable component 8;

The support component 3 comprises a first fixing block 301, and the bottom end of the first fixing block 301 is fixedly connected to the middle of the top surface of the bottom plate 1.

In this embodiment, the top end of the first fixing block 301 is fixedly connected with a damper 302, and a spring 303 is disposed around the surface of the damper 302, so as to increase the buffering performance of the device.

In this embodiment, the top end of the damper 302 is fixedly connected with a second fixing block 304, the top end of the second fixing block 304 is fixedly connected with a top plate 305, and the shape and size of the second fixing block 304 are equal to those of the first fixing block 301.

In this embodiment, the support assembly 3 further includes a support column 306, the bottom end of the support column 306 is fixedly connected to the top surface of the bottom plate 1, the top end of the support column 306 is fixedly connected with a casing 307, and the casing 307, the second fixing block 304 and the first fixing block 301 are arranged in a matching manner.

Example 2

On the basis of embodiment 1, a preferred embodiment of the bridge girder erection machine for high-speed railway erection provided by the utility model is shown in fig. 1 to 4: the moving assembly 8 comprises a sliding frame 801, the sliding frame 801 is slidably connected to the surface of the moving frame 5, and an auxiliary wheel 804 is fixedly connected to the top of the inner side of the sliding frame 801.

In this embodiment, driving motors 802 are fixedly installed on two sides of the sliding frame 801, and output ends of the driving motors 802 penetrate through two sides of the sliding frame 801 and are fixedly connected with rollers 803, so that the sliding frame 801 is convenient to drive the lifting device 9 to move.

In addition, limit grooves 6 are symmetrically formed in two sides of the movable frame 5, the limit grooves 6 are in rolling connection with the rollers 803, two wheel-out rails 7 are formed in the top end of the movable frame 5, and the wheel rails 7 are located under the auxiliary wheels 804, so that the movement track of the auxiliary wheels 804 can be limited conveniently.

In addition, two groups of mounting holes 2 are formed in the bottom plate 1, and the two groups of mounting holes 2 are symmetrically distributed with respect to the vertical center line of the bottom plate 1.

The working principle and the using flow of the utility model are as follows: firstly, the device is installed and fixed through the installation holes 2 arranged on the bottom plate 1, a prefabricated bridge beam is hoisted through the hoisting equipment 9, and then the driving motors 802 arranged on two sides of the sliding frame 801 are started through the moving assembly 8 to drive the rollers 803 arranged in the limit grooves 6 arranged on two sides of the moving frame 5 to move, and meanwhile, the auxiliary wheels 804 arranged on the auxiliary wheels move on the wheel rails 7 arranged on the top end of the moving frame 5 to drive the prefabricated bridge beam to move;

when the prefabricated bridge beam is moved through the supporting component 3, the top plate 305 drives the second fixed block 304 to slide in the casing 307, and meanwhile, the damper 302 and the spring 303 are compressed, so that the buffer effect is achieved on the moving process of the prefabricated bridge beam under the matching effect of the damper 302 and the spring 303, and the moving stability is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The bridge girder erection machine for high-speed rail erection comprises a bottom plate (1), and is characterized in that a supporting component (3) is arranged at the top end of the bottom plate (1), a fixing frame (4) is fixedly connected to the top end of the supporting component (3), a movable frame (5) is fixedly connected to the inner side of the fixing frame (4), a movable component (8) is arranged on the surface of the movable frame (5), and a lifting device (9) is fixedly connected to the bottom end of the movable component (8);

The support assembly (3) comprises a first fixed block (301), and the bottom end of the first fixed block (301) is fixedly connected to the middle of the top surface of the bottom plate (1);

The top end of the first fixed block (301) is fixedly connected with a damper (302), and a spring (303) is arranged on the surface of the damper (302) in a surrounding mode.

2. The bridge girder erection machine for high-speed railway erection according to claim 1, wherein a second fixing block (304) is fixedly connected to the top end of the damper (302), a top plate (305) is fixedly connected to the top end of the second fixing block (304), and the second fixing block (304) is equal to the first fixing block (301) in shape and size.

3. The bridge girder erection machine for high-speed railway erection according to claim 1, wherein the supporting component (3) further comprises a supporting column (306), the bottom end of the supporting column (306) is fixedly connected to the top surface of the bottom plate (1), a casing (307) is fixedly connected to the top end of the supporting column (306), and the casing (307) is in fit arrangement with the second fixing block (304) and the first fixing block (301).

4. The bridge girder erection machine for high-speed railway erection according to claim 1, wherein the moving assembly (8) comprises a sliding frame (801), the sliding frame (801) is slidably connected to the surface of the moving frame (5), and an auxiliary wheel (804) is fixedly connected to the top of the inner side of the sliding frame (801).

5. The bridge girder erection machine for high-speed railway erection according to claim 4, wherein driving motors (802) are fixedly installed on two sides of the sliding frame (801), and output ends of the driving motors (802) penetrate through two sides of the sliding frame (801) and are fixedly connected with rollers (803).

6. The bridge girder erection machine for high-speed railway erection according to claim 1, wherein limit grooves (6) are symmetrically formed in two sides of the movable frame (5), the limit grooves (6) are in rolling connection with the rollers (803), two wheel outgoing rails (7) are formed in the top end of the movable frame (5), and the wheel rails (7) are located under the auxiliary wheels (804).

7. The bridge girder erection machine for high-speed railway erection according to claim 1, wherein two groups of mounting holes (2) are formed in the bottom plate (1), and the two groups of mounting holes (2) are symmetrically distributed with respect to the vertical center line of the bottom plate (1).