Bridge erecting machine arm transverse moving assembly protection structure

By installing stabilizing and anti-slip devices on the lateral movement assembly of the bridge erecting machine's boom, using servo motors to drive the wire ropes to share the load, and using springs and inclined panels to clear accumulated water, the problem of track slippage in rainy and snowy weather was solved, improving the stability of beam placement and construction efficiency, and reducing safety risks.

CN224063289UActive Publication Date: 2026-03-31中铁十四局集团青岛工程有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

When existing bridge erecting machines operate in rainy or snowy weather, water accumulation on the tracks causes slippage, affecting the stability of beam placement and construction efficiency. Furthermore, the boom is prone to swaying, posing a safety hazard.

Method used

A protective structure for the lateral movement assembly of a bridge erecting machine boom was designed, including a stabilizing device and an anti-slip device. A servo motor drives the wire rope to share the load, and the anti-slip device, combined with springs and inclined panels, cleans up water accumulated on the track, keeping the boom stable and the track dry.

Benefits of technology

It effectively clears water accumulation on the track, prevents slippage, improves the stability of beam placement and construction efficiency, reduces boom swaying, and enhances safety.

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Abstract

The utility model discloses a bridge girder erection machine arm transverse moving assembly protection structure which comprises a bridge girder erection machine stabilizing column, an arm is fixedly connected to the top face of the bridge girder erection machine stabilizing column, a track plate is fixedly connected to the top face of the arm, a transverse moving suspension arm is hinged to the track plate in a sliding mode, and a hoisting component is arranged on the transverse moving suspension arm. Two connecting blocks are symmetrically and fixedly connected to the two ends of the top face of the hoisting part, the top faces of the two connecting blocks are fixedly connected with one ends of stabilizing devices correspondingly, and the other ends of the stabilizing devices are fixedly connected to the bottom face of the transverse moving hoisting arm; the two ends of the transverse moving suspension arm are slidably hinged in a track on the track plate, and the two sides of the two ends of the transverse moving suspension arm are symmetrically and fixedly connected with one end of an anti-skid device; the stabilizing device comprises two shells. According to the equipment, accumulated water in a moving track of the transverse moving suspension arm can be cleaned up, the situation that the placing distance of a beam piece is affected due to the slipping situation during moving is prevented, the outer ends of the two sides of the transverse moving suspension arm are fixedly connected with inclined panels respectively, the influence of rain and snow weather on the bridge erecting machine is reduced, and the construction efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge girder erection machine protection technical field, concretely is a bridge girder erection machine arm horizontal shift assembly protection structure. BACKGROUND

[0002] Bridge girder erection machine is the equipment that places the prefabricated beam piece to the prefabricated pier. Bridge girder erection machine belongs to crane category, because its main function is to lift the beam piece, then is sent to the position and is put down. Bridge girder erection machine is very different from the crane in general sense. Its required condition is harsh, and there is beam piece on the running, or called longitudinal shift. Bridge girder erection machine is divided into erecting highway bridge, conventional railway bridge, passenger special railway bridge and several kinds. Bridge girder erection machine needs to lift the beam piece when working, is easily affected by crosswind and shakes, can cause serious accident.

[0003] For this, the authorization publication No. CN212128854U provides a bridge construction bridge girder erection machine with stabilizing device belongs to bridge girder erection machine technical field. A bridge construction bridge girder erection machine with stabilizing device, including the windproof stabilizing mechanism of setting at bridge girder erection machine bottom and following hoist machine base common sliding, windproof stabilizing mechanism includes sliding seat, sliding seat front side installs the cylinder, cylinder piston rod end fixedly connected with the protection assembly, protection assembly inner side and the steel wire rope on hoist machine sliding connection. The utility model discloses a windproof stabilizing mechanism that is slidably connected with the hoist machine base on the bottom of the bridge girder erection machine, which is used to expand the upper end of the telescopic frame by using the cylinder, so that the lower guide seat fixedly connected with the lower end of the telescopic frame slides downward on the steel wire rope, thereby playing a supporting and stabilizing role after the expansion of the utility model, avoiding the influence of crosswind on the steel wire rope and the pier lifted by the lower end of the steel wire rope, and preventing the occurrence of major accidents.

[0004] The utility model is located at the bottom of the bridge girder erection machine, and can only reduce the influence of wind on the bridge girder erection machine, but the bridge girder erection machine may slip due to the residual water on the track in rainy and snowy weather, therefore, the utility model provides a bridge girder erection machine arm horizontal shift assembly protection structure to solve the above problems. SUMMARY

[0005] The utility model discloses a bridge girder erection machine arm horizontal shift assembly protection structure, which solves the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a bridge girder erection machine arm horizontal shift assembly protection structure, including bridge girder erection machine stabilizing column, the bridge girder erection machine stabilizing column top surface fixedly connected with arm, the arm top surface fixedly connected with track plate, the track plate is slidably connected with horizontal shift crane arm,

[0007] The lifting component is symmetrically fixed to two connecting blocks at the top of the lifting component, and one end of the two connecting blocks is respectively fixed to the stabilizing device.

[0008] The two ends of the horizontal moving lifting arm are slidably connected to the tracks on the track plate, and one end of an anti-skid device is symmetrically fixed to the two sides of the two ends of the horizontal moving lifting arm.

[0009] The stabilizing device comprises two housings, one end of the two housings is fixed to the bottom surface of the horizontal moving lifting arm, a servo motor is embeddedly installed on the inner wall of one side of the housing, one end of a rotating rod is fixed to the driving end of the servo motor, the other end of the rotating rod is fixed to a rotating bearing, the rotating bearing is embeddedly installed on the inner wall of the other side of the housing, one end of a steel wire rope is fixed to the rotating rod, and the other end of the steel wire rope is fixed to the connecting block through the round hole in the bottom surface of the inner wall of the housing.

[0010] Preferably, the anti-skid device comprises four fixed plates, one side of the four fixed plates is respectively fixed to the two sides of the two ends of the horizontal moving lifting arm, a through hole is arranged on the fixed plate, a fixed block is fixed to the top surface of the fixed plate on one side of the through hole, an expansion slot is arranged on the fixed block, one end of a large spring is fixed to the bottom of the expansion slot, the other end of the large spring is fixed to one end of a long rod, the other end of the long rod is fixed to the top surface of a track scraper through the through hole, the track scraper is clamped in the track, two circular grooves are symmetrically arranged on the bottom surface of the fixed plate, one end of a small spring is fixed to the bottom of the circular groove, the other end of the small spring is fixed to one end of a short rod, the other end of the short rod is fixed to the top surface of a bidirectional scraper, and the bottom surface of the bidirectional scraper is in contact with the top surface of the track plate.

[0011] Preferably, one end of the outer side of the track scraper is in a slope shape, and the two ends of the bidirectional scraper are in a slope shape.

[0012] Preferably, the diameter of the long rod is equal to the diameter of the expansion slot and the through hole.

[0013] Preferably, inclined plates are respectively fixed to the outer ends of the two sides of the horizontal moving lifting arm.

[0014] Compared with the prior art, the horizontal moving lifting arm has the following beneficial effects:

[0015] The device can clean the accumulated water in the track, prevent the horizontal moving lifting arm from slipping during movement, affect the distance of the beam placement, reduce the influence of rain and snow on the bridge girder erection machine, and improve the construction efficiency.

[0016] When the device lifts the beam, the stabilizing device on the top surface of the horizontal moving lifting arm can disperse the load, reduce the shaking of the beam, and keep stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a structure schematic diagram;

[0018] Figure 2 The utility model discloses a structure schematic diagram of antiskid device,

[0019] Figure 3 The utility model discloses a structure schematic diagram of A place, Figure 1

[0020] Figure 4 The utility model discloses a structure schematic diagram of stable device.

[0021] In the drawing: 1, bridge erecting machine stable column;2, machine arm;3, track plate;301, track;4, horizontal moving hoist arm;5, hoisting part;6, antiskid device;61, fixed plate;62, through -hole;63, round slot;64, small spring;65, short pole;66, two -way scraper;67, fixed block;68, telescopic groove;69, big spring;610, long pole;611, track scraper;7, stable device;71, shell;72, round hole;73, servo motor;74, rotating rod;75, rotating bearing;76, steel wire rope;8, inclined plane plate;9, connecting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a bridge erecting machine machine arm horizontal moving assembly protective structure, including bridge erecting machine stable column 1, bridge erecting machine stable column 1 top surface fixedly connected machine arm 2, machine arm 2 top surface fixedly connected track plate 3, track plate 3 on slidingly articulated horizontal moving hoist arm 4,

[0024] As Figure 1 Shown, hoisting part 5 top surface two ends symmetrical fixedly connected two connecting blocks 9, two connecting blocks 9 top surface respectively fixedly connected stable device 7 one end, stable device 7 other end is fixedly connected in horizontal moving hoist arm 4 bottom surface;

[0025] As Figure 1 Shown, horizontal moving hoist arm 4 two ends slidingly articulated in track 301 on track plate 3, horizontal moving hoist arm 4 two ends two sides symmetrical fixedly connected antiskid device 6 one end;

[0026] As Figure 4 ​As shown, the stabilizing device 7 includes two housings 71, the two housings 71 are fixed at the top of the horizontal moving hoist arm 4, the inner wall of one side of the housing 71 is embeddedly installed with a servo motor 73, the driving end of the servo motor 73 is fixedly connected with one end of a rotating rod 74, the other end of the rotating rod 74 is fixedly connected with a rotating bearing 75, the rotating bearing 75 is embeddedly installed on the inner wall of the other side of the housing 71, one end of a steel wire rope 76 is fixedly connected with the rotating rod 74, the other end of the steel wire rope 76 is fixedly connected with the connecting block 9 through the round hole 72 in the bottom of the inner wall of the housing 71.

[0027] The servo motor 73 drives the rotating rod 74 to rotate, according to the lifting or lowering distance of the hoisting component 5, the steel wire rope 76 fixedly connected with the rotating rod 74 is retracted or extended, one end of the steel wire rope 76 is fixedly connected with the connecting block 9 on the top surface of the two ends of the hoisting component 5, so as to share the load and keep balance.

[0028] As shown in Figure 2 and Figure 3 , the anti-skid device 6 includes four fixed plates 61, one side of the four fixed plates 61 is respectively fixedly connected with the two sides of the two ends of the horizontal moving hoist arm 4, the fixed plate 61 is provided with a through hole 62, the top surface of the fixed plate 61 on one side of the through hole 62 is fixedly connected with a fixed block 67, the fixed block 67 is provided with an expansion slot 68, one end of a large spring 69 is fixedly connected with the inner bottom of the expansion slot 68, the other end of the large spring 69 is fixedly connected with one end of a long rod 610, the other end of the long rod 610 is fixedly connected with the top surface of a track scraper 611 through the through hole 62, the track scraper 611 is clamped in the track 301, the bottom of the fixed plate 61 is symmetrically provided with two circular grooves 63, one end of a small spring 64 is fixedly connected with the inner bottom of the circular groove 63, the other end of the small spring 64 is fixedly connected with one end of a short rod 65, the other end of the short rod 65 is fixedly connected with the top surface of a bidirectional scraper 66, the bottom surface of the bidirectional scraper 66 contacts the top surface of the track plate 3.

[0029] Further, one end of the outer side of the track scraper 611 is ramp-shaped, and both ends of the bidirectional scraper 66 are ramp-shaped.

[0030] Further, the diameter of the long rod 610 is equal to the diameter of the expansion slot 68 and the through hole 62.

[0031] The horizontal moving hoist arm 4 drives the anti-skid device 6 to move on the track plate 3 and in the track 301, the long rod 610 fixedly connected with the top surface of the track scraper 611 is tightly attached to the inner wall of the track 301 under the action of the large spring 69, and pushes away the accumulated water in the track 301, so as to avoid the rollers of the horizontal moving hoist arm 4 from slipping due to too much water, the short rod 65 fixedly connected with the top surface of the bidirectional scraper 66 is tightly attached to the top surface of the track plate 3 under the action of the small spring 64, and pushes away the accumulated water or sundries.

[0032] As shown in Figure 2 , the outer ends of the two sides of the horizontal moving hoist arm 4 are respectively fixedly connected with inclined plates 8.

[0033] Working principle: the utility model discloses in use, hoisting part 5 lifts the beam piece, and the servo motor 73 in the stabilizing device 7 of hoisting part 5 fixed connection is driven rotary lever 74 rotation, according to the distance of hoisting part 5 lifting or lowering retraction fixed connection on the steel wire rope 76 of rotary lever 74, steel wire rope 76 one end fixed connection is in the connecting block 9 on the top surface of hoisting part 5 both ends, share load, keep balance, move the anti -skidding device 6 on the track plate 3 and track 301 in the movement of horizontal shift hoist arm 4, the long rod 610 of track scraper 611 top surface fixed connection is under the action of big spring 69 and closely tracks 301 inner wall, push away the accumulated water in track 301, avoid the roller of horizontal shift hoist arm 4 contact too much accumulated water slip, the short rod 65 of bidirectional scraper 66 top surface fixed connection is under the action of small spring 64 and closely track plate 3 top surface, push away accumulated water or sundries.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bridge girder erection machine arm transverse movement assembly protection structure, comprising a bridge girder erection machine stabilizing column (1), the top surface of the bridge girder erection machine stabilizing column (1) is fixedly connected with a machine arm (2), the top surface of the machine arm (2) is fixedly connected with a track plate (3), a transverse movement hoist arm (4) is slidingly connected and hinged on the track plate (3), characterized in that: a hoisting component (5) is arranged on the transverse movement hoist arm (4), two connecting blocks (9) are symmetrically fixedly connected at the top surface of the two ends of the hoisting component (5), one end of each of the two connecting blocks (9) is fixedly connected with a stabilizing device (7), and the other end of the stabilizing device (7) is fixedly connected to the bottom surface of the transverse movement hoist arm (4). The two ends of the transverse movement hoist arm (4) are slidingly connected and hinged in a track (301) on the track plate (3), and one end of an anti-skid device (6) is fixedly connected to the two sides of the two ends of the transverse movement hoist arm (4). The stabilizing device (7) comprises two housings (71), the top ends of the two housings (71) are fixedly connected to the bottom surface of the transverse movement hoist arm (4), a servo motor (73) is embeddedly installed on the inner wall of one side of the housing (71), the driving end of the servo motor (73) is fixedly connected with one end of a rotating rod (74), the other end of the rotating rod (74) is fixedly connected with a rotating bearing (75), the rotating bearing (75) is embeddedly installed on the inner wall of the other side of the housing (71), one end of a steel wire rope (76) is fixedly connected to the rotating rod (74), and the other end of the steel wire rope (76) passes through a round hole (72) in the bottom surface of the inner wall of the housing (71) and is fixedly connected with the connecting block (9). The anti-skid device (6) comprises four fixed plates (61), one end of each of the four fixed plates (61) is fixedly connected to the two sides of the two ends of the transverse movement hoist arm (4), a through hole (62) is arranged on the fixed plate (61), a fixed block (67) is fixedly connected to the top surface of the fixed plate (61) on one side of the through hole (62), an expansion slot (68) is arranged on the fixed block (67), one end of a large spring (69) is fixedly connected to the inner bottom of the expansion slot (68), the other end of the large spring (69) is fixedly connected with one end of a long rod (610), the other end of the long rod (610) passes through the through hole (62) and is fixedly connected to the top surface of a track scraping plate (611), the track scraping plate (611) is clamped in the track (301), two circular grooves (63) are symmetrically arranged on the bottom surface of the fixed plate (61), one end of a small spring (64) is fixedly connected to the inner bottom of each of the circular grooves (63), the other end of the small spring (64) is fixedly connected with one end of a short rod (65), and the other end of the short rod (65) is fixedly connected to the top surface of a bidirectional scraping plate (66), and the bottom surface of the bidirectional scraping plate (66) is in contact with the top surface of the track plate (3).

2. The bridge-wire machine arm traverse assembly guard of claim 1, wherein: One end of the track scraping plate (611) is in a slope shape, and the two ends of the bidirectional scraping plate (66) are in a slope shape.

3. The bridge-wire machine arm traverse assembly guard of claim 2, wherein: The diameter of the long rod (610) is equal to the diameter of the expansion slot (68) and the through hole (62).

4. The bridge-wire machine arm traverse assembly guard of claim 2, wherein: The outer ends of the two sides of the transverse movement hoist arm (4) are respectively fixedly connected with inclined plane plates (8).

5. The bridge-wire machine arm traverse assembly guard of claim 1, wherein: ​

Citation Information

Patent Citations

  • Bridge girder erection machine with stabilizing device for bridge construction

    CN212128854U