CN210341633U - Telescopic truss for bridge inspection vehicle - Google Patents

Telescopic truss for bridge inspection vehicle Download PDF

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Publication number
CN210341633U
CN210341633U CN201920156850.9U CN201920156850U CN210341633U CN 210341633 U CN210341633 U CN 210341633U CN 201920156850 U CN201920156850 U CN 201920156850U CN 210341633 U CN210341633 U CN 210341633U
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CN
China
Prior art keywords
truss
main
main truss
telescopic
angle steel
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Active
Application number
CN201920156850.9U
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Chinese (zh)
Inventor
周红安
罗佳
王俊冕
朱斌
王洋
饶志超
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Hubei Huichuang Heavy Engineering Co ltd
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Hubei Huichuang Heavy Engineering Co ltd
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Priority to CN201920156850.9U priority Critical patent/CN210341633U/en
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Abstract

The utility model discloses a retractable truss for bridge inspection car, include: the main truss is a hollow rectangular frame structure, and is arranged along the front and back direction, the telescopic truss is arranged along the front and back direction in the main truss and is in sliding connection with the main truss, the driving mechanism is in transmission connection with the telescopic truss, and drives the telescopic truss to slide along the front and back direction in the main truss to extend out of the main truss or retract in the main truss, and the telescopic truss is fixed at any position of a sliding track of the telescopic truss. Retractable truss, have simple structure, easy operation and the strong advantage of practicality.

Description

Telescopic truss for bridge inspection vehicle
Technical Field
The utility model relates to a bridge check out test set field. More specifically, the utility model relates to a retractable truss for bridge inspection car.
Background
The bridge inspection vehicle is a working platform for bridge inspection and maintenance personnel in the bridge inspection and maintenance process, and the bridge inspection and maintenance personnel are conveyed to a working position through a truss arranged on the bridge inspection and maintenance vehicle for inspection and maintenance. The existing bridge structure and length are different, the distance for conveying the truss on the inspection vehicle is also required to be different, if the length of the truss on the inspection vehicle is insufficient after the truss is stretched, bridge inspection and maintenance personnel cannot be conveyed to an accurate operation position, and the inspection requirements cannot be met and the inspection effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a retractable truss for bridge inspection car has solved above technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a telescoping truss for a bridge inspection vehicle, comprising: the main truss is a hollow rectangular frame structure, and is arranged along the front and back direction, the telescopic truss is arranged along the front and back direction in the main truss and is in sliding connection with the main truss, the driving mechanism is in transmission connection with the telescopic truss, and drives the telescopic truss to slide along the front and back direction in the main truss to extend out of the main truss or retract in the main truss, and the telescopic truss is fixed at any position of a sliding track of the telescopic truss.
Furthermore, the upper end and the lower end of the telescopic truss are respectively provided with a plurality of guide rails arranged along the front-back direction, the top wall and the bottom wall of the main truss are respectively provided with a plurality of roller assemblies in one-to-one correspondence with the guide rails, the roller assemblies are embedded into the corresponding guide rails, and under the action of external force, the roller assemblies can slide in the corresponding guide rails.
Furthermore, the roller assembly comprises a plurality of rollers, fixing pieces corresponding to the rollers are arranged on the top wall and the bottom wall of the main truss at intervals, the rollers are arranged on the fixing pieces at intervals in the front-back direction and are rotatably connected with the top wall and the bottom wall of the main truss through the fixing pieces, and the upper portions or the lower portions of the rollers are embedded into the corresponding guide rails.
Further, the mounting comprises two angle steels, two the angle steels are respectively along the fore-and-aft direction setting on the roof or the diapire of main truss to respectively along left right direction interval distribution, two a right-angle side of angle steel respectively with roof or diapire fixed connection of main truss, its another right-angle side all sets up down and is close to each other, the gyro wheel sets up between two angle steels, its one side that is close to the angle steel all through the bearing with the angle steel is kept away from the right-angle side rotation connection of main truss roof or diapire.
Further, the main truss and the telescopic truss are both of a rectangular frame structure made of angle steel.
The utility model has the advantages that: a retractable truss for bridge inspection car, can be according to the maintenance needs, adjust the length of truss at any time, remove the truss and extend the not enough restriction to maintenance work of length, increase inspection width or length to the bridge maintenance, and then reach the maintenance efficiency that improves the bridge and save engineering cost's purpose, have advantages such as simple structure, easy operation and practicality are strong.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a bottom view of a retractable truss for a bridge inspection vehicle according to the present invention;
fig. 2 is a left side view of the retractable truss for the bridge inspection vehicle according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural view of the main truss of the present invention;
fig. 5 is a schematic structural view of the telescopic truss of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Fig. 1-5 are that the embodiment of the utility model provides a retractable truss for bridge inspection vehicle, include: the main truss structure comprises a main truss 1, a telescopic truss 2 and a driving mechanism, wherein the main truss 1 is a hollow rectangular frame structure, and is arranged along the front and back direction, the telescopic truss 2 is arranged in the main truss 1 along the front and back direction and is connected with the main truss 1 in a sliding manner, the driving mechanism is connected with the telescopic truss 2 in a transmission manner, drives the telescopic truss 2 to slide in the main truss 1 along the front and back direction to stretch out of the main truss 1 or retract into the main truss 1, and fixes the telescopic truss 2 at any position of a sliding track of the telescopic truss.
In the above embodiment, the external force is a driving mechanism composed of two sets of speed reducers and racks, wherein the racks are disposed on the main truss 1, the two sets of speed reducers are disposed on the telescopic truss 2, the telescopic truss 2 moves back and forth in the main truss 1 under the action of the two sets of speed reducers, and the driving mechanisms of the speed reducers and the racks are in the prior art, and the driving mechanism combination of the speed reducers and the racks in the inspection vehicle in the prior art can realize the functions of the driving mechanism in the present application, as disclosed in the utility model CN204589809U, namely, the walking driving mechanism disclosed in the inspection vehicle for the main cable and suspension cable structure bridge can realize the functions of the driving mechanism in the present application, and therefore, the present application is not repeated herein; when the operation is started, a bridge inspection worker stands in the telescopic truss 2, the driving mechanism is started, the driving mechanism drives the telescopic truss 2 to move forwards in the main truss 1, and therefore the bridge inspection worker is conveyed to a specified inspection station and carries out bridge inspection work. The telescopic truss 2 is also of a cuboid frame structure, the length of the telescopic truss is smaller than that of the main truss 1, the length directions of the telescopic truss 2 and the main truss 1 are consistent with the front-back direction, a steel plate for a bridge maintainer to stand is arranged at the bottom of the telescopic truss 2, and a guardrail is arranged at the front end of the telescopic truss to ensure the safety of the bridge maintainer during operation. This embodiment a retractable truss for bridge inspection car, can adjust the length of truss at any time according to the maintenance needs, remove the truss and extend the not enough restriction to the maintenance work of length, increase the inspection width or the length of overhauing the bridge, and then reach the maintenance efficiency that improves the bridge and save engineering cost's purpose, have advantages such as simple structure, easy operation and practicality are strong.
Preferably, the upper end and the lower extreme of the telescopic truss 2 are provided with a plurality of guide rails 3 arranged along the front-back direction, the top wall and the bottom wall of the main truss 1 are provided with roller assemblies corresponding to the guide rails 3 one by one, the roller assemblies are embedded into the corresponding guide rails 3, and under the action of external force, the roller assemblies can slide in the corresponding guide rails 3.
In the above embodiment, the upper end and the lower end of the telescopic truss 2 are both provided with two guide rails 3, and the two guide rails 3 located at the upper end of the telescopic truss 2 are respectively located at two right angles of the upper end of the telescopic truss 2, and the two guide rails 3 located at the lower end of the telescopic truss 2 are respectively located at two right angles of the lower end of the telescopic truss 2, correspondingly, the top wall and the bottom wall of the main truss 1 are also both provided with two sets of roller assemblies, and under the action of the driving mechanism, the plurality of sets of roller assemblies slide in the corresponding guide rails 3 to push the telescopic truss 2 to move back and forth. Wherein, the connected mode of guide rail 3 and telescopic truss 2 is bolt fixed connection to replace current welding mode, bolt fixed connection can improve the efficiency when the workman assembles, and can not cause the harm to workman's health, improve the security of workman's assembly, and guide rail 3 is except as the removal track between telescopic truss 2 and the main truss 1, still has the effect of direction, can guarantee the straightness of telescopic truss 2 removal orbit. According to the guide rail and the roller assembly, on one hand, the telescopic truss 2 can be driven to move back and forth relative to the main truss 1, so that the moving speed of the telescopic truss 2 relative to the main truss 1 is improved, on the other hand, the straightness of the moving track of the telescopic truss 2 in the main truss 1 can be ensured, the moving track of the telescopic truss 2 is prevented from deviating from the preset track, and the use fault is generated.
Preferably, the roller assembly comprises a plurality of rollers 5, fixing pieces 4 corresponding to the rollers 5 are arranged on the top wall and the bottom wall of the main truss 1 at intervals, the rollers 5 are arranged on the fixing pieces 4 at intervals in the front-back direction and are rotatably connected with the top wall and the bottom wall of the main truss 1 through the fixing pieces 4, and the upper portions or the lower portions of the rollers 5 are embedded into the corresponding guide rails 3.
In the above embodiment, the more the number of the rollers 5 is, the more the stability of the connection between the rollers 5 and the corresponding guide rails 3 can be increased, so that the stability of the sliding connection between the telescopic truss 1 and the main truss 1 can be improved, and the probability of the rollers 5 being separated from the guide rails 3 can be reduced.
Preferably, the fixing part 4 is composed of two angle steels, the two angle steels are respectively arranged on the top wall or the bottom wall of the main truss 1 along the front-back direction and are respectively distributed along the left-right direction at intervals, one right-angle side of the two angle steels is respectively fixedly connected with the top wall or the bottom wall of the main truss 1, the other right-angle side of the two angle steels is downwards arranged and is close to each other, the roller 5 is arranged between the two angle steels, and one side of the roller close to the angle steel is rotatably connected with the right-angle side of the top wall or the bottom wall of the main truss 1 through the bearing 6.
In the above embodiment, the length of two angle steels is the same with the length of main truss 1, and two angle steels are close to the roof or the diapire right-angle side of main truss 1 and all adopt the bolt to fix, and this difference and traditional welded fastening mode have the advantage such as the security that improves main truss 1 assembly speed, reduces workman working strength and improve the construction. And the roller 5 is rotationally connected with the two bearings 6 through a pin shaft, and the bearings 6 can reduce the friction force between the roller 5 and the angle steel.
Preferably, the main truss 1 and the telescopic truss 2 are each a rectangular parallelepiped frame structure made of angle steel.
In the above embodiment, the main truss 1 includes two upper fixing members, two lower fixing members and a plurality of diagonal web members, the two upper fixing members and the two lower fixing members enclose a main structure in a rectangular shape, the plurality of diagonal web members are respectively disposed between the upper fixing members and the lower fixing members, and the two upper fixing members, the two lower fixing members and the plurality of diagonal web members together enclose the main truss 1 in a frame structure in a rectangular shape, wherein each of the upper fixing members and the lower fixing members is composed of two horizontally disposed angle steels, the two angle steels of the upper fixing members are respectively disposed at intervals on the left and right, one right-angle side of each angle steel is disposed upward, the other right-angle side of each angle steel is disposed downward and is close to each other, an aluminum plate is disposed between the two right-angle sides of the two angle steels close to; between two last mountings, go up between the lower mounting of mounting and its below, all connect fixedly through angle steel and aluminum plate between two lower mountings, its fixed connection mode all adopts the bolt fastening to replace traditional welded fastening mode. Similarly, the structure of the telescopic truss 2 is the same as that of the main truss 1, and the description thereof is omitted. Be different from the structure that current truss all adopted the circular steel tube to make, main truss 1 in this application and flexible truss 2 all adopt the angle steel to make, compare the circular steel tube, and the angle steel has light in weight's advantage, can reduce main truss 1 and flexible truss 2's total weight, and the angle steel has the construction advantage that makes things convenient for the bolt fastening, is favorable to improving main truss 1 and flexible truss 2's assembly efficiency.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (5)

1. A retractable truss for a bridge inspection vehicle, comprising: main truss (1), flexible truss (2) and actuating mechanism, main truss (1) is the rectangular bodily form's of inside cavity frame construction, and it sets up along the fore-and-aft direction, flexible truss (2) set up along the fore-and-aft direction in main truss (1), and with main truss (1) sliding connection, actuating mechanism with flexible truss (2) transmission is connected, and its drive flexible truss (2) are in slide to stretching out along the fore-and-aft direction in main truss (1) outside main truss (1), or withdraw in main truss (1), and will flexible truss (2) are fixed in the optional position of its slip orbit.
2. The retractable truss for the bridge inspection vehicle according to claim 1, wherein a plurality of guide rails (3) are arranged at the upper end and the lower end of the retractable truss (2) along the front-back direction, roller assemblies corresponding to the plurality of guide rails (3) one by one are arranged on the top wall and the bottom wall of the main truss (1), the roller assemblies are embedded into the corresponding guide rails (3), and under the action of external force, the roller assemblies can slide in the corresponding guide rails (3).
3. The retractable truss for the bridge inspection vehicle as claimed in claim 2, wherein the roller assembly comprises a plurality of rollers (5), fixing members (4) corresponding to the rollers (5) are respectively arranged on the top wall and the bottom wall of the main truss (1) at intervals, the plurality of rollers (5) are respectively arranged on the fixing members (4) at intervals along the front-back direction and are rotatably connected with the top wall and the bottom wall of the main truss (1) through the fixing members (4), and the upper portions or the lower portions of the rollers (5) are respectively embedded into the corresponding guide rails (3).
4. The retractable truss for the bridge inspection vehicle as claimed in claim 3, wherein the fixing member (4) is composed of two pieces of angle steel, the two pieces of angle steel are respectively arranged on the top wall or the bottom wall of the main truss (1) along the front-back direction and are respectively distributed at intervals along the left-right direction, one right-angle side of the two pieces of angle steel is respectively fixedly connected with the top wall or the bottom wall of the main truss (1), the other right-angle side of the two pieces of angle steel is downwards arranged and is close to each other, the roller (5) is arranged between the two pieces of angle steel, and one side of the roller close to the angle steel is rotatably connected with the right-angle side of the angle steel, which is far away from the top wall or the bottom wall of the main truss (1), through a.
5. Telescopic truss for a bridge inspection vehicle according to any one of claims 1-4, wherein the main truss (1) and the telescopic truss (2) are each a rectangular parallelepiped frame structure made of angle steel.
CN201920156850.9U 2019-01-29 2019-01-29 Telescopic truss for bridge inspection vehicle Active CN210341633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920156850.9U CN210341633U (en) 2019-01-29 2019-01-29 Telescopic truss for bridge inspection vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920156850.9U CN210341633U (en) 2019-01-29 2019-01-29 Telescopic truss for bridge inspection vehicle

Publications (1)

Publication Number Publication Date
CN210341633U true CN210341633U (en) 2020-04-17

Family

ID=70173526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920156850.9U Active CN210341633U (en) 2019-01-29 2019-01-29 Telescopic truss for bridge inspection vehicle

Country Status (1)

Country Link
CN (1) CN210341633U (en)

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