CN212714576U

CN212714576U - Bridge girder erection machine structure

Info

Publication number: CN212714576U
Application number: CN202021442654.7U
Authority: CN
Inventors: 黄光者; 赵建华; 柳宜添; 张晓晔; 闫玉坤; 苏广; 郑秀娟
Original assignee: Anhui China Metallurgical Heavy Machinery Co ltd
Current assignee: Anhui China Metallurgical Heavy Machinery Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model provides a bridge girder erection machine structure, including the girder, girder portion movable mounting has back hanging beam car and preceding hanging beam car, girder bottom fixed mounting has back landing leg and preceding landing leg, back landing leg bottom fixed mounting has the back wheel of marcing, preceding landing leg bottom fixed mounting has preceding wheel of marcing, girder one side bottom has preceding auxiliary leg through pin movable mounting. The utility model realizes the synchronous movement of the front hanging beam vehicle and the rear hanging beam vehicle by using the front hanging beam vehicle as the main power and the rear hanging beam vehicle as the auxiliary power through the design of the crossbearers and fixedly installing two groups of crossbearers between the front hanging beam vehicle and the rear hanging beam vehicle when the front hanging beam vehicle and the rear hanging beam vehicle are hung with a bridge to move; through the design of crossbearer, at the crossbearer side installation multiunit lifting rope, lifting rope bottom fixed mounting has the couple, evenly installs the couple in bridge border position, and the auxiliary front and back hanging beam car carries out the bridge hoist and mount.

Description

Bridge girder erection machine structure

Technical Field

The utility model mainly relates to a technical field of bridging machine, concretely relates to bridging machine structure.

Background

In the last decade, the rapid development of the Chinese infrastructure is that from the expressway to the high-speed rail and the viaduct, the Chinese engineer breaks through another technical barrier to complete the projects of the super projects, and a plurality of mechanical materials, such as bridge erecting machines, are invented according to the needs of the infrastructure.

The bridge girder erection machine has more related technologies, and in the existing equipment, the service environment of the bridge girder erection machine is harsh, so that the influence of wind power is frequently generated during operation, the bridge girder erection machine is unstable during hoisting, and the synchronism of front and rear hanging beam vehicles cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a bridge girder erection machine structure for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a bridging machine structure, including the girder, girder portion movable mounting has back hanging beam car and preceding hanging beam car, girder bottom fixed mounting has back landing leg and preceding landing leg, back landing leg bottom fixed mounting has the rear wheel of advancing, preceding landing leg bottom fixed mounting has the front wheel of advancing, auxiliary leg before girder one side bottom has through pin movable mounting.

Preferably, the rear lifting beam vehicle and the front lifting beam vehicle are fixedly connected through a cross frame, mounting holes are formed in the side edges of the cross frame, lifting ropes are fixedly mounted in the mounting holes in the side edges of the cross frame, and hooks are fixedly mounted at the tail ends of the lifting ropes.

Preferably, the telescopic frame is sleeved inside the front auxiliary leg, a hydraulic rod is movably mounted at the bottom of one end of the main beam, the other end of the hydraulic rod is movably mounted outside the front auxiliary leg, and an anti-skid base is fixedly mounted at the bottom of the telescopic frame.

Preferably, the top of the rear lifting beam vehicle is fixedly provided with a rear winch, the rear lifting beam vehicle is formed by welding two groups of rear lifting beam frames together through a cross frame, the rear winch stretches across the upper surfaces of the two groups of rear lifting beams, and the bottom of the rear lifting beam vehicle is fixedly provided with track wheels.

Preferably, the top of the front beam crane is fixedly provided with a front winch, the front beam crane is formed by welding two groups of rear beam cranes through a cross frame, the bottom of the rear beam crane is fixedly provided with track wheels, and the front beam crane and the two beam cranes of the rear beam crane are fixedly connected through stabilizing frames.

Preferably, preceding hoist engine includes motor, main shaft, reel, supporting seat and cable wire, motor fixed mounting is at preceding hanging beam car one side hanging beam frame upper surface, supporting seat fixed mounting is on another hanging beam frame top, motor output shaft fixedly connected with main shaft, the reel has been cup jointed to the main shaft surface, just reel and main shaft fixed connection, the main shaft other end passes through bearing movable mounting in the supporting seat dead eye, the winding of reel surface has the cable wire.

Preferably, the top end of the main beam is provided with a track, and the rear hanging beam vehicle and the bottom of the front hanging beam vehicle are fixedly arranged on track wheels and connected with the track on the top end of the main beam in a rolling manner.

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

1. the utility model discloses a two sets of crossbearers of fixed mounting between hanging beam car and the back hanging beam car in the front, when current hanging beam car and back hanging beam car hung the bridge and remove, through being the main power before the hanging beam car, back hanging beam car is the auxiliary power, realizes the synchronous motion of preceding hanging beam car and back hanging beam car.

2. This use is novel through the design of crossbearer, at the crossbearer side installation multiunit lifting rope, lifting rope bottom fixed mounting has the couple, evenly installs the couple in bridge border position, and the hanging beam car carries out the bridge hoist and mount around supplementary.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural view of the front suspension girder vehicle of the present invention;

fig. 4 is a schematic structural diagram of the hoist of the present invention.

In the figure: 1. a main beam; 2. a rear suspension girder vehicle; 3. a front suspension beam vehicle; 4. a cross frame; 5. a front winch; 6. a rear winch; 7. a rear leg; 8. a front leg; 9. a rear travel wheel; 10. a forward travel wheel; 11. a front auxiliary leg; 12. a telescopic frame; 13. a hydraulic lever; 14. a lifting rope; 15. an electric motor; 16. a main shaft; 17. a reel; 18. a supporting seat; 19. a steel cord; 20. a stabilizer frame; 21. a rail wheel.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 with great emphasis, a bridge girder erection machine structure comprises a main girder 1, and is characterized in that a rear hanging beam vehicle 2 and a front hanging beam vehicle 3 are movably installed at the main girder 1, a rear supporting leg 7 and a front supporting leg 8 are fixedly installed at the bottom of the main girder 1, a rear traveling wheel 9 is fixedly installed at the bottom of the rear supporting leg 7, a front traveling wheel 10 is fixedly installed at the bottom of the front supporting leg 8, a front auxiliary leg 11 is movably installed at the bottom of one side of the main girder 1 through a pin, a driving motor is fixedly installed at the outer sides of the rear traveling wheel 9 and the front traveling wheel 10, and the rotation of the rear traveling wheel 9 and the front traveling wheel 10 is realized through the driving motor so as to move.

Rear hanging beam car 2 passes through crossbearer 4 fixed connection with preceding hanging beam car 3, and 4 side processing of crossbearer have a mounting hole, and 4 side mounting holes fixed mounting of crossbearer have

lifting rope

14, and 14 end fixed mounting of lifting rope have the couple, and when carrying out bridge hoist and mount, each couple fixed mounting is in each position of bridge, realizes that bridge and preceding hoist engine 5 and back hoist engine 6 balance bear the weight of.

The inside expansion bracket 12 that has cup jointed of preceding supplementary leg 11, 1 one end bottom movable mounting of girder has hydraulic stem 13, and 11 outsides of supplementary leg in the front are assisted to hydraulic stem 13 other end movable mounting, and expansion bracket 12 bottom fixed mounting has anti-skidding base, and when using the bridging machine, preceding driving wheel 10 and back driving wheel 9 remove to make preceding supplementary leg 11 remove to next pier top, stretch out hydraulic stem 13, put down expansion bracket 12 to pier and jack-up girder 1.

The top of the rear beam crane 2 is fixedly provided with a rear hoist 6, the rear beam crane 2 is formed by welding two groups of rear beam frames together through a cross frame 4, the rear hoist 6 stretches across the upper surfaces of the two groups of rear beams, and the bottom of the rear beam crane 2 is fixedly provided with a track wheel 21.

The top of the front beam crane 3 is fixedly provided with a front winch 5, the front beam crane 3 is welded together by two groups of rear beam cranes through a cross frame 4, the bottom of the rear beam crane 2 is fixedly provided with a track wheel 21, and the front beam crane 3 is fixedly connected with the two beam cranes of the rear beam crane 2 through a stabilizing frame 20.

The front winch 5 comprises a motor 15, a main shaft 16, a winding drum 17, a supporting seat 18 and a steel cable 19, wherein the motor 15 is fixedly installed on the upper surface of a beam hanger on one side of the front beam hanger 3, the supporting seat 18 is fixedly installed on the top end of the other beam hanger, the main shaft 16 is fixedly connected with an output shaft of the motor 15, the winding drum 17 is sleeved on the outer surface of the main shaft 16, the winding drum 17 is fixedly connected with the main shaft 16, the other end of the main shaft 16 is movably installed in an axial hole of the supporting seat 18 through a bearing, and the.

The top end of the main beam 1 is provided with a track, and the bottoms of the rear hanging beam vehicle 2 and the front hanging beam vehicle 3 are fixedly arranged on track wheels 21 and in rolling connection with the track on the top end of the main beam 1.

The utility model discloses a concrete operation as follows:

when the bridge girder erection machine is used, the driving motors fixedly arranged at the outer sides of the front travelling wheel 10 and the rear travelling wheel 9 drive the front travelling wheel 10 and the rear travelling wheel 9 to move until the front auxiliary leg 11 moves to the upper part of the next bridge pier, the compressor is driven to extend the hydraulic rod 13, the telescopic bracket 12 is put down to contact with the bridge pier until the front auxiliary leg 11 jacks up the main girder 1, the bridge is fixedly arranged at one end of the steel cable 19, then the front hoisting machine 5 and the rear hoisting machine 6 drive the motor 15 to rotate to drive the main shaft 16 to rotate, the main shaft 16 drives the winding drum 17 sleeved on the outer surface of the main shaft to rotate to contract the steel cable 19, the bridge is hoisted, the hoisting ropes 14 are fixedly arranged at all positions of the bridge girder, the rear hoisting car 2 and the front hoisting car 3 move at the top end of the main girder 1 by driving the rail wheels 21, after the bridge girder reaches the preset position, the hoisting ropes 14 are loosened to drive the front hoisting machine, the cable 19 is lowered to place the bridge in the installed position.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The bridge girder erection machine structure comprises a main girder (1) and is characterized in that a rear hanging beam vehicle (2) and a front hanging beam vehicle (3) are movably mounted at the top of the main girder (1), a rear supporting leg (7) and a front supporting leg (8) are fixedly mounted at the bottom of the main girder (1), a rear traveling wheel (9) is fixedly mounted at the bottom of the rear supporting leg (7), a front traveling wheel (10) is fixedly mounted at the bottom of the front supporting leg (8), and a front auxiliary leg (11) is movably mounted at the bottom of one side of the main girder (1) through a pin.

2. A bridge girder erection machine structure according to claim 1, wherein the rear suspension beam car (2) is fixedly connected with the front suspension beam car (3) through a cross frame (4), mounting holes are processed on the side edge of the cross frame (4), a lifting rope (14) is fixedly mounted in the mounting holes on the side edge of the cross frame (4), and a hook is fixedly mounted at the tail end of the lifting rope (14).

3. A bridge girder erection machine structure according to claim 1, characterized in that an expansion bracket (12) is sleeved inside the front auxiliary leg (11), a hydraulic rod (13) is movably installed at the bottom of one end of the main beam (1), the other end of the hydraulic rod (13) is movably installed at the outer side of the front auxiliary leg (11), and an anti-skid base is fixedly installed at the bottom of the expansion bracket (12).

4. The bridge girder erection machine structure according to claim 1, wherein a rear hoist (6) is fixedly installed at the top of the rear suspension beam vehicle (2), the rear suspension beam vehicle (2) is formed by welding two groups of rear suspension beam frames together through a cross frame (4), the rear hoist (6) spans the upper surfaces of the two groups of rear suspension beams, and a track wheel (21) is fixedly installed at the bottom of the rear suspension beam vehicle (2).

5. The bridge girder erection machine structure according to claim 1, wherein a front winch (5) is fixedly installed at the top of the front girder erection vehicle (3), the front girder erection vehicle (3) is formed by welding two groups of rear girder erection frames together through a cross frame (4), track wheels (21) are fixedly installed at the bottom of the rear girder erection vehicle (2), and the front girder erection vehicle (3) and the two girder erection frames of the rear girder erection vehicle (2) are fixedly connected through a stabilizing frame (20).

6. A bridge girder erection machine structure as claimed in claim 5, wherein the front winch (5) comprises a motor (15), a main shaft (16), a winding drum (17), a support seat (18) and a steel cable (19), the motor (15) is fixedly arranged on the upper surface of a girder erection frame at one side of the front girder erection vehicle (3), the support seat (18) is fixedly arranged at the top end of the other girder erection frame, the output shaft of the motor (15) is fixedly connected with the main shaft (16), the winding drum (17) is sleeved on the outer surface of the main shaft (16), the winding drum (17) is fixedly connected with the main shaft (16), the other end of the main shaft (16) is movably arranged in the shaft hole of the support seat (18) through a bearing, and the steel cable (19) is wound on the outer surface of the winding drum.

7. A bridge girder erection machine structure according to claim 1, wherein a track is installed at the top end of the main girder (1), and the bottoms of the rear suspension girder vehicle (2) and the front suspension girder vehicle (3) are fixedly installed on track wheels (21) and are in rolling connection with the track at the top end of the main girder (1).