CN214530242U

CN214530242U - Anti-collision device of bridge girder erection machine

Info

Publication number: CN214530242U
Application number: CN202122223369.7U
Authority: CN
Inventors: 张建鑫; 张志伟; 杨自乾; 张立胜
Original assignee: Henan Lugang Crane Group Co ltd
Current assignee: Henan Lugang Crane Group Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-10-29
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a bridge girder erection machine collision device relates to bridge construction technical field. Including bridging machine and the auxiliary frame of setting on bridging machine, the top of auxiliary frame is provided with protector, be provided with the assistance-localization real-time subassembly on the auxiliary frame, be provided with the driven subassembly that control protector got into the auxiliary frame inside on the inside of auxiliary frame and the protector, protector includes the fixed column, the fixed column runs through the top of auxiliary frame and with auxiliary frame sliding connection, the top of fixed column is run through by branch, the top of branch is fixed with the bottom of fagging, the bottom of fagging is fixed with spring A's one end. Under protector and the cooperation of assistance-localization real-time subassembly through setting up, when the bridge girder erection machine was erecting the operation to the bridge, can play an assistance-localization real-time's effect to the bridge, avoid the bridge to rock the striking on the bridge girder erection machine, cause the damage to the bridge girder erection machine.

Description

Anti-collision device of bridge girder erection machine

Technical Field

The utility model relates to a bridge construction technical field specifically is a bridge girder erection machine collision device.

Background

The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. Bridge girder erection machines belong to the crane category, as their main function is to lift the beam piece up and then transport it into position and put it down. Bridge cranes are very different from cranes in general. The required conditions are harsh, and the beam piece runs upwards or is called longitudinal movement. The bridge girder erection machine is divided into a highway bridge erection machine, a conventional railway bridge erection machine, a passenger-dedicated railway bridge erection machine and the like.

When a bridge is erected by an existing bridge erecting machine, the bridge is hoisted by a steel cable and then erected, and the bridge erecting machine can be impacted due to the shaking phenomenon of the bridge during erection, so that the anti-collision device for the bridge erecting machine is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a bridge girder erection machine collision device has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the anti-collision device comprises a bridge girder erection machine and an auxiliary frame arranged on the bridge girder erection machine, wherein a protective device is arranged at the top of the auxiliary frame.

The protection device comprises a fixing column, the fixing column penetrates through the top of the auxiliary frame and is in sliding connection with the auxiliary frame, the top of the fixing column is penetrated through by a supporting rod, the top of the supporting rod is fixed with the bottom of a supporting plate, the bottom of the supporting plate is fixed with one end of a spring A, and the other end of the spring A is fixed to the top of the fixing column.

Be provided with the assistance-localization real-time subassembly on the auxiliary frame, be provided with the driven subassembly that the control protector got into the auxiliary frame inside on the inside of auxiliary frame and the protector.

The driven assembly comprises a pressing plate, the pressing plate penetrates through the left side of the auxiliary frame, the top of the pressing plate is connected to the inner wall of the auxiliary frame in a sliding mode, balls are arranged at the top of the pressing plate, a sliding plate is connected to the inner wall of the auxiliary frame in a sliding mode, the bottom of the sliding plate is fixed to one end of a spring B, and the other end of the spring B is fixed to the inner wall of the auxiliary frame. The driven subassembly still includes the horizontal pole, the left side at the fagging is fixed on the right side of horizontal pole, the bottom and the inserted bar of horizontal pole are articulated, the inserted bar is fixed with the one end of torsional spring, the bottom at the horizontal pole is fixed to the other end of torsional spring.

Rectangular through hole and through-hole have been seted up at the top of auxiliary frame, make the inserted bar insert the inside of auxiliary frame through the rectangular through hole at auxiliary frame top, fixed column (31) pass the through-hole at auxiliary frame top and with auxiliary frame sliding connection.

Preferably, the auxiliary positioning assembly comprises a fixing rod and a rack, the fixing rod is fixed to the top of the auxiliary frame, a gear is connected to the fixing rod in a rotating mode, the gear is fixed to the fixing rod, the fixing rod is connected to a circular ring in a sliding mode, the circular ring is fixed to the auxiliary frame, the rack is fixed to the left side of the supporting rod, and the left side of the rack is meshed with the gear.

Preferably, the protection device, the auxiliary positioning assembly and the driven assembly are provided with two sets of protection devices, two sets of auxiliary positioning assemblies and two sets of driven assemblies which are symmetrically arranged by taking the center line of the auxiliary frame as a symmetry axis.

(III) advantageous effects

The utility model provides a bridge girder erection machine collision device. The method has the following beneficial effects:

(1) this bridge girder erection machine collision device, under protector and the assistance-localization real-time subassembly cooperation through setting up, when the bridge girder erection machine was erecting the operation to the bridge, can play an assistance-localization real-time's effect to the bridge, avoided the bridge to rock the striking on the bridge girder erection machine, led to the fact the damage to the bridge girder erection machine.

(2) This bridge girder erection machine collision device through the driven subassembly that sets up for when carrying out the bridge and erect, the protection device can the retraction auxiliary frame's inside, plays the effect that can not influence the bridge and erect, has improved the practicality of device.

Drawings

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

FIG. 2 is an enlarged schematic view of A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of B in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of C in fig. 2 according to the present invention;

FIG. 5 is a schematic top view of the pressing plate of the present invention;

FIG. 6 is a schematic top view of the auxiliary frame of the present invention;

fig. 7 is the utility model discloses fixed column left side rectangle through-hole structure schematic diagram.

In the figure: 1. a bridge girder erection machine; 2. an auxiliary frame; 3. a guard; 31. fixing a column; 32. a strut; 33. a supporting plate; 34. a spring A; 4. an auxiliary positioning assembly; 41. fixing the rod; 42. a gear; 43. positioning a rod; 44. a circular ring; 45. a rack; 5. a driven assembly; 51. pressing a plate; 52. a sliding plate; 53. a spring B; 54. a cross bar; 55. inserting a rod; 56. a torsion spring.

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. 1-7, the present invention provides a technical solution: the utility model provides a bridge crane collision device, including bridge crane 1 with set up auxiliary frame 2 on bridge crane 1, the top of auxiliary frame 2 is provided with protector 3, be provided with auxiliary positioning subassembly 4 on the auxiliary frame 2, be provided with the driven subassembly 5 that control protector 3 got into the inside of auxiliary frame 2 on the inside of auxiliary frame 2 and the protector 3, auxiliary positioning subassembly 4, driven subassembly 5 all is provided with two sets of and two sets of protector 3, auxiliary positioning subassembly 4, driven subassembly 5 all uses the central line of auxiliary frame 2 as the symmetry axis symmetry setting, rectangle through-hole and through-hole have been seted up at the top of auxiliary frame 2, make the inside that inserted bar 55 can insert auxiliary frame 2 through the rectangle through-hole at auxiliary frame 2 top, fixed column 31 can pass the through-hole at auxiliary frame top and with auxiliary frame 2 sliding connection.

Take a set of example in the left side, in this embodiment, protector 3 includes fixed column 31, and the rectangle through-hole has been seted up on the left side of fixed column 31, can make gear 42 and rack 45 mesh, is provided with the kelly on fixed column 31, plays the effect that fixed column 31 moved on auxiliary frame 2, through the spout of auxiliary frame 2 top through-hole inboard for fixed column 31 rebound can not separate with auxiliary frame 2, and when fixed column 31 moves down, can separate with auxiliary frame 2. The fixed column 31 penetrates through the top of the auxiliary frame 2 and is connected with the auxiliary frame 2 in a sliding mode, the top of the fixed column 31 is penetrated through by the supporting rod 32, the top of the supporting rod 32 is fixed to the bottom of the supporting plate 33, the bottom of the supporting plate 33 is fixed to one end of the spring A34, and the other end of the spring A34 is fixed to the top of the fixed column 31.

In this embodiment, auxiliary positioning subassembly 4 includes dead lever 41 and rack 45, and dead lever 41 fixes at the top of auxiliary frame 2, and the last swivelling joint of dead lever 41 has gear 42, and gear 42 is fixed with locating lever 43, and locating lever 43 sliding connection is on ring 44, and ring 44 fixes on auxiliary frame 2, and ring 44 is the semicircle, can not influence the normal erections of bridge. The rack 45 is fixed to the left side of the strut 32, and the left side of the rack 45 is engaged with the gear 42.

In this embodiment, the driven assembly 5 includes a pressing plate 51, the pressing plate 51 penetrates through the left side of the auxiliary frame 2, the top of the pressing plate 51 is slidably connected to the inner wall of the auxiliary frame 2, the top of the pressing plate 51 is provided with balls, and when the fixing column 31 presses the pressing plate 51, the pressing plate 51 can still move left and right. A sliding plate 52 is connected to the inner wall of the auxiliary frame 2 in a sliding manner, and a groove matched with the fixed column 31 is formed at the top of the sliding plate 52. The bottom of the sliding plate 52 is fixed with one end of a spring B53, the other end of the spring B53 is fixed on the inner wall of the auxiliary frame 2, the right side of the cross rod 54 is fixed on the left side of the supporting plate 33, the bottom of the cross rod 54 is hinged with the inserted link 55, the inserted link 55 is fixed with one end of a torsion spring 56, the other end of the torsion spring 56 is fixed on the bottom of the cross rod 54, a triangular clamping groove is formed in the top of the pressing plate 51, when the inserted link 55 and the cross rod 54 move downwards along with the supporting plate 33, the inserted link 55 can be inserted into the triangular clamping groove in the top of the pressing plate 51, and when the inserted link 55 continues to move downwards, the inserted link 55 can push the pressing plate 51 to the left.

During operation (or during the use), when setting up the bridge, place the bridge at the top of auxiliary frame 2, the bridge is pressed on fagging 33, presses fagging 33 downstream, and fagging 33 drives branch 32 downstream, and branch 32 area rack 45 downstream, and rack 45 drives the clockwise rotation that goes up of gear 42, and gear 42 drives locating lever 43 and rotates, and locating lever 43 carries on spacingly to the both sides of bridge, avoids the bridge to take place the phenomenon of rocking.

Meanwhile, the supporting plate 33 drives the inserting rods 55 and the cross rods 54 to move downwards, the inserting rods 55 can be inserted into the triangular clamping grooves in the top of the pressing plate 51, and when the inserting rods 55 continue to move downwards, the inserting rods 55 can push the pressing plate 51 to the left. When the pressing plate 51 no longer abuts against the fixed column 31, the fixed column 31 is separated from the auxiliary frame 2 and falls into the groove at the top of the sliding plate 52, at this time, the supporting rod 32 is completely retracted into the fixed column 31, the supporting plate 33 and the fixed column 31 press the sliding plate 52 to move downwards, so that the supporting plate 33 and the fixed column 31 are retracted into the auxiliary frame 2, and then the bridge is erected.

After the erection is finished, the bridge erecting machine 1 is driven to move, so that the auxiliary frame 2 is separated from the bridge, the supporting plate 33 and the fixed column 31 are not pressed any more, the sliding plate 52 carries the supporting plate 33 and the fixed column 31 to move upwards under the action of the spring B53, and after the sliding plate 52 is reset, the fixed column 31 is pulled to be reconnected with the top of the auxiliary frame 2, and the pressing plate 51 is pushed rightwards to reset. The supporting plate 33 moves upwards to reset under the action of the spring A34, the supporting rod 32 drives the rack 45 to reset upwards, the rack 45 drives the gear 42 to rotate anticlockwise, the gear 42 drives the positioning rod 43 to reset, and then the overall resetting of the device is realized.

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 girder erection machine collision device which characterized in that: the bridge erecting machine comprises a bridge erecting machine (1) and an auxiliary frame (2) arranged on the bridge erecting machine (1), wherein a protection device (3) is arranged at the top of the auxiliary frame (2), the protection device (3) comprises a fixing column (31), the fixing column (31) penetrates through the top of the auxiliary frame (2) and is in sliding connection with the auxiliary frame (2), the top of the fixing column (31) is penetrated through by a supporting rod (32), the top of the supporting rod (32) is fixed with the bottom of a supporting plate (33), the bottom of the supporting plate (33) is fixed with one end of a spring A (34), and the other end of the spring A (34) is fixed at the top of the fixing column (31);

an auxiliary positioning assembly (4) is arranged on the auxiliary frame (2), and driven assemblies (5) for controlling the protective device (3) to enter the auxiliary frame (2) are arranged in the auxiliary frame (2) and on the protective device (3);

the driven assembly (5) comprises a pressing plate (51), the pressing plate (51) penetrates through the left side of the auxiliary frame (2), the top of the pressing plate (51) is connected to the inner wall of the auxiliary frame (2) in a sliding mode, balls are arranged on the top of the pressing plate (51), a sliding plate (52) is connected to the inner wall of the auxiliary frame (2) in a sliding mode, the bottom of the sliding plate (52) is fixed to one end of a spring B (53), and the other end of the spring B (53) is fixed to the inner wall of the auxiliary frame (2); the driven assembly (5) further comprises a cross rod (54), the right side of the cross rod (54) is fixed to the left side of the supporting plate (33), the bottom of the cross rod (54) is hinged to an inserted rod (55), the inserted rod (55) is fixed to one end of a torsion spring (56), and the other end of the torsion spring (56) is fixed to the bottom of the cross rod (54);

rectangular through holes and through holes are formed in the top of the auxiliary frame (2), the inserted rod (55) is inserted into the auxiliary frame (2) through the rectangular through holes in the top of the auxiliary frame (2), and the fixing column (31) penetrates through the through holes in the top of the auxiliary frame and is connected with the auxiliary frame (2) in a sliding mode.

2. The bridge girder erection machine collision preventing device according to claim 1, wherein: auxiliary positioning subassembly (4) are including dead lever (41) and rack (45), the top at auxiliary frame (2) is fixed in dead lever (41), it is connected with gear (42) to rotate on dead lever (41), gear (42) are fixed with locating lever (43), locating lever (43) sliding connection is on ring (44), ring (44) are fixed on auxiliary frame (2), the left side at branch (32) is fixed in rack (45), the left side and the gear (42) meshing of rack (45).

3. The bridge girder erection machine collision preventing device according to claim 1, wherein: the protection device (3), the auxiliary positioning assembly (4) and the driven assembly (5) are provided with two sets of protection devices (3), two sets of auxiliary positioning assemblies (4) and two sets of driven assemblies (5) which are symmetrically arranged by taking the center line of the auxiliary frame (2) as a symmetry axis.