CN219141765U

CN219141765U - Non-contact type beam rail relative displacement monitoring device based on machine vision

Info

Publication number: CN219141765U
Application number: CN202320196216.4U
Authority: CN
Inventors: 曾志平; 饶惠明; 黄志斌; 谢宏; 王卫东; 李平; 王雄标; 刘军华; 韩马锐; 袁伟栋; 张鲁昊; 崔琳那; 张世攀; 吉祥辉; 黄旭东
Original assignee: Southeast Coast Railway Fujian Co ltd; Central South University; Guangzhou Metro Design and Research Institute Co Ltd
Current assignee: Southeast Coast Railway Fujian Co ltd; Central South University; Guangzhou Metro Design and Research Institute Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-06
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a non-contact type beam rail relative displacement monitoring device based on machine vision, which comprises a protective fence, a visual detection camera, a fast-assembling mechanism and a displacement observation gauge, wherein the displacement observation gauge is arranged at the rail web of a steel rail; according to the utility model, the non-contact beam rail relative displacement monitoring device in the prior art is improved, and the quick-mounting mechanism is designed between the visual detection camera and the protective guard, so that the visual detection camera in the monitoring device can be quickly assembled with the protective guard and subsequently disassembled, the integral installation convenience of the device is effectively improved, convenience is brought to the disassembly, overhaul and maintenance of the visual detection camera by subsequent operators, and the later maintenance convenience of the device is ensured.

Description

Non-contact type beam rail relative displacement monitoring device based on machine vision

Technical Field

The utility model belongs to the technical field of vision detection, and particularly relates to a non-contact beam rail relative displacement monitoring device based on machine vision.

Background

Because of the special driving property of the high-speed railway, the common contact sensor is difficult to be installed to monitor the displacement of the steel rail, so the technology proposes to realize non-contact displacement monitoring of the steel rail in a machine vision mode, such as a machine vision-based steel rail displacement monitoring system and a machine vision-based steel rail displacement monitoring method described in the prior patent with the publication number of CN 112444209A.

However, when the non-contact type beam rail relative displacement monitoring device based on machine vision is in actual use, the vision detection camera is generally fixed on the railing of the guardrail through a plurality of fixing clamping plates, bolts, nuts and other structures, and the installation mode needs to spend more time in actual operation, so that the whole assembly of the monitoring device is not facilitated for operators, and meanwhile, the disassembly, the overhaul and the maintenance of the non-contact type beam rail relative displacement monitoring device based on machine vision are not convenient, so that the non-contact type beam rail relative displacement monitoring device based on machine vision is improved and optimized to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to provide a non-contact type beam rail relative displacement monitoring device based on machine vision, which is used for solving the problems that the installation efficiency of a visual detection camera in the existing monitoring device provided in the background art is low and the follow-up disassembly and overhaul are not easy.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a non-contact beam rail relative displacement monitoring devices based on machine vision, includes rail guard, visual detection camera, fast-assembling mechanism and displacement observation gauge, the rail guard is established in one side of rail to be located the outside of anticollision wall, displacement observation gauge is installed in the rail web department of rail, the rail guard includes two crossbeams and fixes a plurality of rails between two crossbeams, visual detection camera passes through fast-assembling mechanism and installs between two of them rails, and the tip of visual detection camera aligns displacement observation gauge, fast-assembling mechanism includes horizontal base, U-shaped footstock, rotatory end piece, C-shaped cutting ferrule and joint subassembly, the top of horizontal base is fixed with U-shaped footstock, and the bottom surface of visual detection camera is fixed with rotatory end piece, the bottom of rotatory end piece rotates the inboard of installing at U-shaped footstock, both ends all are fixed with C shape, two C shape is established respectively through joint subassembly cover and is installed on two rails.

Preferably, the joint subassembly is including sliding the L shape cardboard of establishing in horizontal base side, and the one end of L shape cardboard extends to one side of C shape cutting ferrule, the inboard fixed surface of L shape cardboard has spacing clamping lever, spacing draw-in hole has been seted up on the surface of railing, and the tip of spacing clamping lever runs through to in the spacing draw-in hole, the joint subassembly still includes T shape spout and T shape slider, the side at horizontal base is seted up to T shape spout, and T shape slider slides and lie in T shape spout, the tip of T shape slider stretches out to the side of horizontal base and L shape cardboard is fixed, the side of horizontal base still is provided with locating component, locating component includes movable mounting at the movable cardboard of horizontal base side, and the both ends card of movable cardboard is at the surface of two L shape cardboard, the both ends surface of movable cardboard all is fixed with the locating piece, the locating piece is embedded to in the locating hole, locating component still includes movable groove, spring, movable block and connecting rod, movable groove sets up at the inside of movable groove and the movable connecting rod through the fixed side of movable base, movable connecting rod and fixed one side of horizontal base.

Preferably, the quick assembly mechanism further comprises a rotating structure, the rotating structure is arranged between the rotating bottom block and the U-shaped top seat, the rotating structure comprises a screw rod and a fixing nut, the screws are fixed on the surfaces of two sides of the rotating bottom block, the end portions of the screws penetrate through the outer sides of the U-shaped top seat, and the fixing nut is screwed on the end portions of the screws and clings to the U-shaped top seat.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the non-contact beam rail relative displacement monitoring device in the prior art is improved, and the quick-mounting mechanism is designed between the visual detection camera and the protective guard, so that the visual detection camera in the monitoring device can be quickly assembled with the protective guard and subsequently disassembled, the integral installation convenience of the device is effectively improved, convenience is brought to the disassembly, overhaul and maintenance of the visual detection camera by subsequent operators, and the later maintenance convenience of the device is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram showing the installation of the displacement observation gauge of the present utility model;

FIG. 3 is an enlarged view of a portion of the quick-connect mechanism of FIG. 1 in accordance with the present utility model;

FIG. 4 is a top cross-sectional view of the junction of the cross base and rail of the present utility model;

FIG. 5 is an enlarged view of a portion of the positioning assembly of FIG. 4 in accordance with the present utility model;

in the figure: 1. a guard rail; 11. railing; 12. a cross beam; 2. visual inspection camera; 3. a quick-mounting mechanism; 31. a horizontal base; 32. a U-shaped top seat; 33. rotating the bottom block; 34. c-shaped cutting sleeve; 35. a rotating structure; 351. a screw; 352. a fixing nut; 36. a clamping assembly; 361. an L-shaped clamping plate; 362. a limit clamping rod; 363. limiting clamping holes; 364. t-shaped sliding grooves; 365. a T-shaped slider; 37. a positioning assembly; 371. a movable clamping plate; 372. a positioning block; 373. positioning holes; 374. a movable groove; 375. a spring; 376. a movable block; 377. a connecting rod; 4. a displacement observation gauge; 5. a steel rail; 6. an anti-collision wall.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, a first embodiment of the present utility model provides a technical solution: the utility model provides a non-contact beam rail relative displacement monitoring devices based on machine vision, including rail guard 1, visual detection camera 2, quick-mounting mechanism 3 and displacement observation gauge 4, the model of visual detection camera 2 is acA-200 gm, displacement observation gauge 4 is specifically + -25 cm takes the scale, rail guard 1 establishes in one side of rail 5, and be located the outside of anticollision wall 6, displacement observation gauge 4 installs in rail web department of rail 5, rail guard 1 includes two crossbeams 12 and welded fastening a plurality of railing 11 between two crossbeams 12, visual detection camera 2 installs between two railing 11 wherein through quick-mounting mechanism 3, in the monitoring process, and the tip of visual detection camera 2 aims at displacement observation gauge 4, visual detection camera 2 passes through the connecting wire and is connected with external monitoring host computer, and set up to regularly snap shot and continuous video, the displacement observation gauge 4 can be monitored in real time, thereby realizing real-time monitoring of the relative displacement of the steel rail and the channeling amount of the composite backing plate, when the displacement observation gauge 4 is displaced along with the steel rail 5, the visual inspection camera 2 can transmit monitoring signals to an external monitoring host, the quick-assembly mechanism 3 comprises a transverse base 31, a U-shaped top seat 32, a rotary bottom block 33, a C-shaped clamping sleeve 34 and a clamping assembly 36, the U-shaped top seat 32 is welded and fixed on the top of the transverse base 31, the rotary bottom block 33 is welded and fixed on the bottom surface of the visual inspection camera 2, the bottom end of the rotary bottom block 33 is rotatably arranged on the inner side of the U-shaped top seat 32, the C-shaped clamping sleeve 34 is welded and fixed on the front end and the rear end of the transverse base 31, the two C-shaped clamping sleeves 34 are respectively sleeved and arranged on the two rails 11 through the clamping assembly 36, so as to realize quick assembly of the visual inspection camera 2, the visual inspection camera 2 can be quickly arranged between two rails 11, and is easy to detach for maintenance, the clamping assembly 36 comprises an L-shaped clamping plate 361 which is slidably arranged on the side surface of the transverse base 31, one end of the L-shaped clamping plate 361 extends to one side of the C-shaped clamping sleeve 34, a limit clamping rod 362 is fixedly welded on the inner side surface of the L-shaped clamping plate 361, a limit clamping hole 363 corresponding to the limit clamping rod 362 is formed on the surface of the rail 11, the end part of the limit clamping rod 362 penetrates into the limit clamping hole 363, after the C-shaped clamping sleeve 34 is sleeved on the rail 11, the C-shaped clamping sleeve 34 can be clamped into the limit clamping hole 363 through the sliding of the L-shaped clamping plate 361, the stable connection between the C-shaped clamping sleeve 34 and the rail 11 is completed, the quick installation of the visual inspection camera 2 is realized, the clamping assembly 36 further comprises a T-shaped sliding groove 364 and a T-shaped sliding block 365, the T-shaped sliding groove 364 is formed on the side surface of the transverse base 31, the T-shaped sliding block 365 is slidingly positioned in the T-shaped sliding groove 364, the end part of the T-shaped sliding block 365 extends out to the side surface of the transverse base 31 and is fixed with the L-shaped clamping plate 361, so that smooth sliding of the L-shaped clamping plate 361 is realized, the side surface of the transverse base 31 is also provided with the positioning component 37, the positioning component 37 comprises a movable clamping plate 371 movably installed on the side surface of the transverse base 31, two ends of the movable clamping plate 371 are clamped on the surfaces of the two L-shaped clamping plates 361, positioning blocks 372 are fixedly welded on the two end surfaces of the movable clamping plate 371, positioning holes 373 corresponding to the positioning blocks 372 are formed on the surfaces of the L-shaped clamping plates 361, the positioning blocks 372 are embedded into the positioning holes 373, the L-shaped clamping plates 361 can be stably limited, displacement of the L-shaped clamping plates 361 can not be ensured in the daily use process, the limiting clamping rods 362 can be always clamped in the limiting clamping holes 363, and the installation stability of the visual inspection camera 2 is ensured, subsequently, if the visual inspection camera 2 is to be detached, the movable clamping plate 371 is pulled laterally, so that the positioning block 372 moves out of the positioning hole 373, the limit to the L-shaped clamping plate 361 can be released, the L-shaped clamping plate 361 can be smoothly slid at the moment, normal disassembly and assembly between the C-shaped clamping sleeve 34 and the railing 11 are realized, the positioning assembly 37 further comprises a movable groove 374, a spring 375, a movable block 376 and a connecting rod 377, the movable groove 374 is formed in the transverse base 31, the movable block 376 is movably mounted in the movable groove 374 through the spring 375, the connecting rod 377 is fixed on one side of the movable block 376, one end of the connecting rod 377 penetrates through the side surface of the transverse base 31 and is fixed with the movable clamping plate 371, the end of the movable clamping plate 371 can be stably clamped on the end surface 361 of the L-shaped clamping plate 361 under the action of the spring 375 after the side pulling, and the limiting stability of the L-shaped clamping plate 371 is ensured in the daily use process.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present utility model is based on the previous embodiment, except that the rotation structure 35 is provided to realize stable fixation of the tilt angle of the visual inspection camera 2 after adjustment.

Specifically, the quick-assembling mechanism 3 further comprises a rotating structure 35, the rotating structure 35 is arranged between the rotating bottom block 33 and the U-shaped top seat 32, the rotating structure 35 comprises a screw rod 351 and a fixing nut 352, the screw rod 351 is fixedly welded on the two side surfaces of the rotating bottom block 33, the end part of the screw rod 351 penetrates through the outer side of the U-shaped top seat 32, the fixing nut 352 is screwed on the end part of the screw rod 351 and is tightly attached to the U-shaped top seat 32, when the inclination angle of the visual detection camera 2 needs to be adjusted, the fixing nut 352 is only required to be unscrewed in a rotating mode, the limit of the screw rod 351 is removed, then the visual detection camera 2 is rotated, the screw rod 351 is enabled to rotate along with the rotation of the visual detection camera 2, and when the visual detection camera 2 is adjusted to a proper inclination angle, the fixing nut 352 is screwed in a rotating mode again, and the visual detection camera 2 can be fixed.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a non-contact beam rail relative displacement monitoring devices based on machine vision, includes rail guard (1), vision detection camera (2), fast-assembling mechanism (3) and displacement observation gauge (4), rail guard (1) are established in one side of rail (5) to be located the outside of crashproof wall (6), displacement observation gauge (4) are installed in the rail web department of rail (5), rail guard (1) include two crossbeams (12) and fix a plurality of railing (11) between two crossbeams (12), its characterized in that: the visual inspection camera (2) is installed between two railing (11) through fast-assembling mechanism (3), and the tip of visual inspection camera (2) is aimed at displacement and is surveyd gauge (4), fast-assembling mechanism (3) are including horizontal base (31), U-shaped footstock (32), rotatory bottom block (33), C-shaped cutting ferrule (34) and joint subassembly (36), the top of horizontal base (31) is fixed with U-shaped footstock (32), and the bottom surface of visual inspection camera (2) is fixed with rotatory bottom block (33), the inboard at U-shaped footstock (32) is installed in the bottom rotation of rotatory bottom block (33), both ends all are fixed with C-shaped cutting ferrule (34) around horizontal base (31), and two C-shaped cutting ferrule (34) are installed on two railing (11) through joint subassembly (36) cover respectively.

2. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 1, wherein: the clamping assembly (36) comprises an L-shaped clamping plate (361) which is arranged on the side face of the transverse base (31) in a sliding mode, one end of the L-shaped clamping plate (361) extends to one side of the C-shaped clamping sleeve (34), a limiting clamping rod (362) is fixed on the inner side surface of the L-shaped clamping plate (361), a limiting clamping hole (363) is formed in the surface of the railing (11), and the end portion of the limiting clamping rod (362) penetrates into the limiting clamping hole (363).

3. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 2, wherein: the clamping assembly (36) further comprises a T-shaped sliding groove (364) and a T-shaped sliding block (365), the T-shaped sliding groove (364) is formed in the side face of the transverse base (31), the T-shaped sliding block (365) is slidably located in the T-shaped sliding groove (364), and the end portion of the T-shaped sliding block (365) extends out to the side face of the transverse base (31) to be fixed with the L-shaped clamping plate (361).

4. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 1, wherein: the side of horizontal base (31) still is provided with locating component (37), locating component (37) are including movable cardboard (371) of movable mounting in the side of horizontal base (31), and the both ends card of movable cardboard (371) are at the surface of two L shape cardboard (361).

5. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 4, wherein: positioning blocks (372) are fixed on the surfaces of two ends of the movable clamping plate (371), positioning holes (373) are formed in the surface of the L-shaped clamping plate (361), and the positioning blocks (372) are embedded into the positioning holes (373).

6. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 4, wherein: the positioning assembly (37) further comprises a movable groove (374), a spring (375), a movable block (376) and a connecting rod (377), wherein the movable groove (374) is formed in the transverse base (31), the movable block (376) is movably mounted in the movable groove (374) through the spring (375), the connecting rod (377) is fixed on one side of the movable block (376), and one end of the connecting rod (377) penetrates through the side face of the transverse base (31) and is fixed with the movable clamping plate (371).

7. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 1, wherein: the quick-mounting mechanism (3) further comprises a rotating structure (35), and the rotating structure (35) is arranged between the rotating bottom block (33) and the U-shaped top seat (32).

8. The machine vision-based non-contact beam rail relative displacement monitoring device as claimed in claim 7, wherein: the rotary structure (35) comprises a screw rod (351) and a fixing nut (352), the screw rod (351) is fixed on the surfaces of two sides of the rotary bottom block (33), the end portion of the screw rod (351) penetrates through the outer side of the U-shaped top seat (32), and the fixing nut (352) is screwed on the end portion of the screw rod (351) and is tightly attached to the U-shaped top seat (32).