CN214459629U

CN214459629U - Bridge inspection vehicle device adaptive to track installation errors

Info

Publication number: CN214459629U
Application number: CN202120340296.7U
Authority: CN
Inventors: 任刚; 赵川; 皇甫维国; 林润欢; 盛明
Original assignee: Chengdu Huangchuan Electromechanical Engineering Co ltd
Current assignee: Chengdu Huangchuan Electromechanical Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-22
Anticipated expiration: 2031-02-05

Abstract

A bridge inspection vehicle device adaptive to rail installation errors comprises walking rails arranged on the left side and the right side of the bottom of a bridge, a driving trolley hung on the walking rails, walking wheels arranged on the driving trolley, the driving trolley and the walking rails form a support through the walking wheels and can roll forward or backward along the walking rails, the lower end of the driving trolley is fixedly connected with a portal frame, the portal frame is connected with a frame, a rail installation error adjusting mechanism is arranged between the driving trolley and the portal frame, and a guide block is arranged between the driving trolley and the walking rails. Meanwhile, the travelling wheels of the driving trolley can act on the driving track all the time, so that the phenomenon of slipping caused by the fact that the travelling wheels are empty or unbalanced in stress is avoided, and finally, the phenomenon of rail clamping caused by rail gauge errors or the fact that the driving trolley is asynchronous can be prevented.

Description

Bridge inspection vehicle device adaptive to track installation errors

Technical Field

The utility model relates to a bridge inspection maintenance field, especially a bridge inspection car device of self-adaptation track installation error.

Background

Bridge inspection vehicles are mainly divided into two types: the first is a mobile automobile chassis type inspection vehicle which adopts an automobile chassis to walk on a bridge floor and is provided with an electromechanical device to convey personnel to a detection position; the second type is a special inspection vehicle which is specially designed according to the structural form of a specific bridge and is installed on a fixed track. The bridge inspection vehicle described herein is of the second type

Bridge inspection car is one kind and detects for the bridge, the maintenance personnel provide the wheel rail formula travelling car of special work platform, mainly by the inspection car track, the driving trolley, portal and frame are constituteed, its theory of operation is to hang the driving trolley on the walking track of the left and right sides, the frame passes through the portal to be fixed in the driving trolley below, the inspection personnel passes through operation electrical system, control gear motor driven wheel advances or retreats along the track direction and accomplish bridge inspection operation, because after the inspection car installation, there is slope or structural deformation in the track, the both sides track has the discrepancy in elevation, the gauge error, and the inspection car is asynchronous at the in-process that advances, can appear following problem: 1. on a slope track, the travelling wheels on the driving trolley along the bridge direction cannot be guaranteed to act on the track all the time, and the phenomenon of slipping during falling off exists; 2. the driving trolley is rigidly connected with the portal frame and the frame, and can only adapt to the height difference of the rails on two sides through the elastic deformation of the frame when the height difference exists, so that the fatigue damage to the frame can be caused under the action of long-term alternating load; 3. when the track gauge error exists or the driving trolleys on the tracks on the two sides are asynchronous, the driving trolleys on the inspection vehicle can be blocked or seriously worn on the tracks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a bridge inspection car device of self-adaptation track installation error to solve the problem that proposes in the above-mentioned technical background.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a bridge inspection car device of self-adaptation track mounting error, hangs including setting up the walking track in the bridge bottom left and right sides drive dolly on the walking track, be equipped with the walking wheel on the drive dolly, the drive dolly forms the support and can roll along the walking track and advance or retreat through walking wheel and walking track, drive dolly lower extreme fixedly connected with portal, the portal is connected with the frame, still is equipped with track mounting error adjustment mechanism between drive dolly and the portal, is equipped with the guide block between drive dolly and the walking track.

In the above utility model, the track mounting error adjustment mechanism includes the last cross hinge that articulates on the left and right sides drive dolly, go up the cross hinge and can follow the walking direction swing back and forth of drive dolly.

In the above-mentioned utility model, the track mounting error adjustment mechanism still includes the lower cross hinge that articulates on the cross hinge on the right side, the cross hinge can be followed the perpendicular to driving trolley walking direction swing back and forth down.

In the above utility model, the track mounting error adjustment mechanism further includes a lateral rolling support assembly slidably connected to the cross hinge on the left side.

In the above utility model, the horizontal rolling supporting component includes roller, spout connecting seat, bearing frame and sets up the spout on the cross hinge on the left side, bearing frame fixed mounting is on the spout connecting seat, the roller passes the spout and is connected with the bearing frame.

In the above-mentioned utility model, go up between cross hinge and the drive dolly and go up between cross hinge and the lower cross hinge and articulate through the round pin axle.

The utility model has the advantages that:

1) when the inspection vehicle travels on the slope track, the upper cross hinge connected with the driving trolley releases the corner of the inspection vehicle along the bridge direction, so that the walking wheel on the driving trolley is ensured to be always acted on the track of the inspection vehicle, and the phenomenon of skidding caused by the fact that the walking wheel is empty or unbalanced in stress can be avoided.

2) When the inspection vehicle travels on the track with the height difference on the two sides, the lower cross hinge hinged with the upper cross hinge can release the corner of the inspection vehicle in the transverse bridge direction, so that the vehicle frame is prevented from generating large additional bending moment, and the structural safety of the vehicle frame can be effectively ensured.

3) When the driving trolleys on the tracks with the track gauge error or the tracks on the two sides are asynchronous, the portal frame and one end of the frame of the inspection trolley generate certain displacement in the transverse bridge direction along the transverse rolling supporting component, and the driving trolley is prevented from being clamped due to the track gauge error and the driving trolleys.

Drawings

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

FIG. 2 is a front view of the right side driving cart of the present invention;

FIG. 3 is a side view of the right side drive carriage of the present invention;

FIG. 4 is a front view of the left side driving cart of the present invention;

fig. 5 is a side view of the left side driving cart of the present invention.

In the figure, 1-driving trolley, 2-gantry, 3-upper cross hinge, 4-lower cross hinge, 5-pin shaft, 6-walking track, 7-frame, 8-transverse rolling support component, 9-guide block, 10-walking wheel, 8 a-roller, 8 b-chute, 8 c-bearing seat and 8 d-chute connecting seat.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

Example 1:

a bridge inspection vehicle device adaptive to rail installation errors is shown in the attached drawing 1 and comprises walking rails 6 arranged on the left side and the right side of the bottom of a bridge, a driving trolley 1 hung on the walking rails 6, walking wheels 10 arranged on the driving trolley 1, the driving trolley 1 and the walking rails 6 form a support through the walking wheels 10 and can roll to advance or retreat along the walking rails 6, a gantry 2 is fixedly connected to the lower end of the driving trolley 1, the gantry 2 is connected with a frame 7, and a rail installation error adjusting mechanism is further arranged between the driving trolley 1 and the gantry 2.

More specifically, referring to fig. 2-5, the rail error adjusting mechanism includes upper cross hinges 3 hinged to the left and right driving carriages 1, and the upper cross hinges 3 can swing back and forth along the traveling direction of the driving carriages 1, in this embodiment, when the traveling rail 6 has a slope, such as an uphill slope or a downhill slope, the upper cross hinges will swing back or forth along the traveling direction of the driving carriages 1, so that the resultant force direction of the gravity of the frame 7 and the supporting force of the traveling rail 6 is consistent with the traveling direction of the driving carriages 1, thereby ensuring that the traveling wheels 10 on the driving carriages 1 always act on the traveling rail 6, and preventing the traveling wheels 10 of the driving carriages 1 from slipping due to the fact that they are out of space or are unbalanced in force on the traveling rail 6.

Example 2:

The difference between this embodiment and embodiment 1 is that, with continuing to refer to fig. 2 to 5, in this embodiment, the track installation error adjustment mechanism further includes a lower cross hinge 4 hinged to the right upper cross hinge 3 and a lateral rolling support assembly 8 slidably connected to the left upper cross hinge 3, the lower cross hinge 4 can swing back and forth in a direction perpendicular to the traveling direction of the driving trolley 1, the lateral rolling support assembly 8 includes a roller 8a, a chute connection seat 8d, a bearing seat 8c, and a chute 8b provided on the left upper cross hinge 3, the bearing seat 8c is fixedly installed on the chute connection seat 8d, the roller 8a passes through the chute 8b and is connected with the bearing seat 8c, specifically, during assembly, the roller 8a is first placed into the chute 8b, then the bearing seat 8c is respectively placed into the roller 8a from both ends of the roller 8a, and finally, fixing the bearing seat 8c on the chute connecting seat 8d by using a screw, wherein after the installation is completed, the upper part of the chute connecting seat 8d is in rolling connection with the chute 8b of the upper cross hinge 3 through the roller 8a, and the lower part of the chute connecting seat 8d is bolted with the portal 2.

In this embodiment, when the inspection vehicle travels on the traveling rails 1 with height differences on both sides, the lower cross hinge 4 hinged to the upper cross hinge 3 can swing back and forth along the direction perpendicular to the traveling direction of the driving vehicle 1, thereby releasing the corner of the transverse bridge direction of the inspection vehicle, and avoiding the frame 7 from generating a large additional bending moment, which can effectively ensure the structural safety of the frame 7, and when there is a gauge error or the driving vehicle 1 on the traveling rails 6 on both sides is asynchronous, because the frame 7 on the left and right of the inspection vehicle is connected with the sliding groove 8b of the upper cross hinge 3 through the sliding groove connecting seat 8d, the frame 7 can slide left or right along with the sliding groove connecting seat 8d in the sliding groove 8b to generate a certain displacement, thereby avoiding the gauge error and the driving vehicle 1 from being asynchronous to cause the rail clamping of the driving vehicle 1.

Example 3:

In this embodiment, a guide block 9 is arranged between the driving trolley 1 and the traveling rail 6, and the guide block 9 can provide sufficient lateral rigidity for the driving trolley 1, so that the traveling wheels 10 only bear vertical load, and the driving trolley 1 is ensured to smoothly run along the traveling rail 6 along the bridge direction.

In the above embodiment, preferably, the upper cross joint 3 and the driving trolley 1, and the upper cross joint 3 and the lower cross joint 4 are hinged through the pin shafts 5.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a bridge inspection car device of self-adaptation track installation error, hangs including walking track (6) that sets up in the bridge bottom left and right sides drive dolly (1) on walking track (6), be equipped with walking wheel (10) on drive dolly (1), drive dolly (1) forms the support and can follow walking track (6) through walking wheel (10) and walking track (6) and roll and advance or retreat, drive dolly (1) lower extreme fixedly connected with portal (2), portal (2) are connected with frame (7), its characterized in that still is equipped with track installation error adjustment mechanism between drive dolly (1) and portal (2), is equipped with guide block (9) between drive dolly (1) and walking track (6).

2. The bridge inspection vehicle device capable of adapting to the rail installation error is characterized in that the track gauge error adjusting mechanism comprises upper cross hinges (3) hinged on the left and right driving trolleys (1), and the upper cross hinges (3) can swing back and forth along the traveling direction of the driving trolleys (1).

3. The bridge inspection vehicle device capable of adapting to the rail installation error is characterized in that the track gauge error adjusting mechanism further comprises a lower cross hinge (4) hinged to the upper cross hinge (3) on the right side, and the lower cross hinge (4) can swing back and forth along the direction perpendicular to the walking direction of the driving trolley (1).

4. A bridge inspection vehicle apparatus for adapting to rail installation errors according to claim 3, wherein the gauge error adjustment mechanism further comprises a lateral rolling support assembly (8) slidably connected to the cross hinge (3) on the left side.

5. A bridge inspection vehicle device with adaptive rail installation errors according to claim 4, characterized in that the transverse rolling support assembly (8) comprises a roller (8a), a chute connecting seat (8d), a bearing seat (8c) and a chute (8b) arranged on the cross hinge (3) on the left side, the bearing seat (8c) is fixedly arranged on the chute connecting seat (8d), and the roller (8a) passes through the chute (8b) to be connected with the bearing seat (8 c).

6. The bridge inspection vehicle device capable of adapting to the rail installation error is characterized in that the upper cross joint (3) and the driving trolley (1) and the upper cross joint (3) and the lower cross joint (4) are hinged through pin shafts (5).