Rigid contact network inspection robot

By designing a rigid contact network inspection robot and using cleaning components and lifting components to automatically clean impurities in the contact network, the problem of being unable to clean impurities in existing technologies has been solved, efficient detection and cleaning have been achieved, and the cleanliness of the contact network and the power transmission efficiency have been ensured.

CN223369403UActive Publication Date: 2025-09-23CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP SOUTH ENG CO LTD
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Patent Information

Application Number
CN202422775174.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-23
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The existing rigid contact network inspection can only perform simple photography and detection, and is unable to clean impurities on the contact network, resulting in increased resistance and reduced power transmission efficiency, affecting the safety and efficiency of rail transit.

Method used

A rigid contact network inspection robot was designed, which was equipped with a cleaning component and a lifting component. It could automatically clean impurities with a conical scraper and collect the impurities in a storage box. The robot could then be used for detection with a camera to achieve automated inspection and cleaning.

Benefits of technology

It improves the accuracy and comprehensiveness of inspections, reduces faults caused by impurities, extends the service life of the contact network and pantograph, and ensures the safe and stable operation of rail transit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rigid contact network inspection robot which comprises a shell, a top plate is movably installed on the top of the shell, a cleaning assembly is installed on the top of the top plate, a camera is fixedly installed on the top of the top plate, a lifting assembly is installed between the shell and the top plate, and a moving assembly is installed in the shell. The cleaning assembly comprises supporting rods, a movable shaft, clamping blocks, a movable block and a conical scraper, the two supporting rods are fixedly connected to the top of the top plate, the movable shaft is movably installed between the two supporting rods, and the two clamping blocks are movably installed on the outer wall of the movable shaft; the movable block is fixedly connected to the bottom of the clamping block and located on the outer wall of the movable shaft. According to the utility model, the high-efficiency detection and impurity cleaning of the rigid contact network can be realized, and the inspection quality and the operation stability of the contact network are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rigid contact network inspection, in particular to a rigid contact network inspection robot. Background Art

[0002] With the development of society, rigid catenary systems play a crucial role in modern rail transit, particularly in urban subways and light rail systems. As a crucial medium for power transmission, they are responsible for stably transmitting electrical energy to trains, ensuring their normal operation. Rigid catenary systems offer advantages such as compact structure, small footprint, high stability, and relatively low maintenance workload. Their reliability is directly related to the operational safety and efficiency of rail transit.

[0003] However, the existing rigid contact network inspection can only perform simple photography inspections. This single inspection method has many disadvantages. Since the impurities on the contact network cannot be cleaned, dust, oxides and other foreign matter will gradually adhere to the contact network over time. These impurities will increase the resistance of the contact network, resulting in increased losses during the power transmission process and reduced power transmission efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a rigid contact network inspection robot.

[0005] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a rigid catenary inspection robot, comprising a shell, a top plate movably mounted on the top of the shell, a cleaning assembly mounted on the top of the top plate, a camera fixedly mounted on the top of the top plate, a lifting assembly mounted between the shell and the top plate, and a moving assembly mounted inside the shell;

[0006] The cleaning assembly includes a support rod, a movable shaft, a clamping block, a movable block and a conical scraper, the support rod has two fixed connections on the top of the top plate, the movable shaft is movably installed between the two support rods, the clamping block has two movably installed on the outer wall of the movable shaft, the movable block is fixedly connected to the bottom of the clamping block and is located on the outer wall of the movable shaft, and the conical scraper is fixedly connected to the front end of the clamping block.

[0007] Further: the cleaning assembly also includes a conical push block, a slide, an electric push rod and a moving block, the conical push block is slidably installed between two support rods, the slide is opened inside the support rod, the conical push block is slidably installed inside the slide, the electric push rod is fixedly connected to the top of the top plate, the conical push block is fixedly installed on the top of the electric push rod, the moving block has two fixed connections in sequence to the bottom of the two clamping blocks, and the conical push block is located between the two moving blocks.

[0008] Furthermore: a slot is provided inside the top plate, a storage box is fixedly installed on the bottom of the top plate, the storage box is located at the bottom of the slot, and the slot is located at the bottom of the conical scraper.

[0009] Further: the lifting assembly includes a sliding rod, a slider, a lifting frame, a central shaft, a connecting block, a bidirectional screw and a first drive motor, multiple sliding rods are sequentially installed inside the outer shell and the bottom of the top plate, the slider is slidably installed on the outer wall of the sliding rod, the lifting frame is movably installed between multiple sliders, the central shaft is movably installed inside the lifting frame, the connecting block is fixedly connected between the two sliders at the bottom, the bidirectional screw is movably installed inside the outer shell, the first drive motor is fixedly installed on the outer wall of the outer shell, and the bidirectional screw is fixedly installed at the output end of the first drive motor.

[0010] Further: the moving assembly includes supporting ear plates, a rotating shaft and moving wheels, the bottom of the shell is fixedly connected to four supporting ear plates, the rotating shaft is movably installed between two supporting ear plates, and the moving wheels are fixedly installed at both ends of the rotating shaft.

[0011] Further: a second drive motor is fixedly installed inside the shell, a double-groove pulley is fixedly installed on the output end of the second drive motor, a belt groove is opened on the outer wall of the rotating shaft, and two drive belts are fixedly installed between the double-groove pulley and the two belt grooves.

[0012] The utility model has the following beneficial effects:

[0013] 1. Compared with the prior art, by providing a top plate, a sliding rod, a slider, a lifting frame, a connecting block, a bidirectional screw, and a first drive motor, when the height of the top plate and the equipment thereon needs to be adjusted, the first drive motor is started, and the first drive motor drives the bidirectional screw to rotate. Since the connecting block is threadedly connected to the bidirectional screw, and the slider can only slide on the sliding rod, the rotation of the bidirectional screw causes the connecting block to move along the bidirectional screw. The movement of the connecting block drives the slider fixed to it to move, and then the lifting frame rises smoothly under the coordinated action of multiple sliders, ultimately achieving the adjustment of the top plate height. The utility model can be adjusted in height, facilitating comprehensive inspection and cleaning of rigid contact networks at different heights, effectively expanding the inspection range, and improving the accuracy and comprehensiveness of inspections.

[0014] 2. Compared with the existing technology, the robot is equipped with a movable shaft, a clamping block, a conical scraper, a conical push block, a chute, an electric push rod, a slot, a storage box, and a moving block. When impurities on the contact network need to be cleaned, the electric push rod is activated, which pushes the conical push block upward within the chute. The conical push block interacts with the moving block, causing the two clamping blocks to rotate around the movable shaft and clamp the contact network line. Then, as the robot continues to move, the conical scraper scrapes impurities from the contact network, and the impurities fall into the storage box through the slot. This utility model realizes the automatic cleaning of contact network impurities, reduces contact network failures caused by impurity accumulation, extends the service life of the contact network and pantograph, and ensures the safe and stable operation of rail transit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when in use;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle.

[0020] In the figure: 1. Shell; 2. Top plate; 3. Cleaning assembly; 301. Support rod; 302. Movable shaft; 303. Clamping block; 304. Movable block; 305. Conical scraper; 306. Conical push block; 307. Slide; 308. Electric push rod; 309. Slot; 310. Storage box; 311. Moving block; 4. Camera; 5. Lifting assembly; 501. Slide rod; 502. Slider; 503. Lifting frame; 504. Center axis; 505. Connecting block; 506. Bidirectional screw rod; 507. First drive motor; 6. Moving assembly; 601. Support ear plate; 602. Rotating shaft; 603. Moving wheel; 604. Second drive motor; 605. Double-groove pulley; 606. Drive belt. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with specific embodiments. The accompanying drawings are only for illustrative purposes and represent only schematic diagrams rather than actual drawings. They should not be understood as limiting the present invention. In order to better illustrate the specific embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] In the description of this utility model, it should be noted that the terms "front," "rear," "upper," and "lower," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., etc., are used solely for distinction and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] Reference Figure 1-5 The utility model provides a rigid contact network inspection robot: it includes a shell 1, a top plate 2 is movably installed on the top of the shell 1, a cleaning component 3 is installed on the top of the top plate 2, a camera 4 is fixedly installed on the top of the top plate 2, a lifting component 5 is installed between the shell 1 and the top plate 2, and a moving component 6 is installed inside the shell 1; the cleaning component 3 includes a support rod 301, a movable shaft 302, a clamping block 303, a movable block 304 and a conical scraper 305, the support rod 301 has two fixed connections to the top of the top plate 2, the movable shaft 302 is movably installed between the two support rods 301, the clamping block 303 has two movably installed on the outer wall of the movable shaft 302, the movable block 304 is fixedly connected to the bottom of the clamping block 303 and is located on the outer wall of the movable shaft 302, and the conical scraper 305 is fixedly connected to the front end of the clamping block 303.

[0025] During use, the top plate 2 is moved to the bottom of the contact network through the lifting assembly 5, and the contact network is inspected, photographed and recorded through the camera 4. When the contact network needs to be cleaned, the two clamping blocks 303 are controlled to rotate around the movable axis 302 to clamp the contact network line between the two clamping blocks 303. When the robot moves along the contact network, the conical scraper 305 fixed at the front end of the clamping block 303 contacts the surface of the contact network. Utilizing its conical structure, it can effectively scrape off impurities attached to the contact network, ensure the cleanliness of the contact network surface, and maintain its good electrical performance and physical state.

[0026] The cleaning assembly 3 also includes a conical push block 306, a slide 307, an electric push rod 308 and a moving block 311. The conical push block 306 is slidably installed between the two support rods 301. The slide 307 is opened inside the support rod 301. The conical push block 306 is slidably installed inside the slide 307. The electric push rod 308 is fixedly connected to the top of the top plate 2. The conical push block 306 is fixedly installed on the top of the electric push rod 308. The moving block 311 has two fixed connections in sequence to the bottom of the two clamping blocks 303. The conical push block 306 is located between the two moving blocks 311.

[0027] When in use, start the electric push rod 308, which pushes the conical push block 306 to slide upward in the slide groove 307. Since the conical push block 306 is located between the two moving blocks 311, when the conical push block 306 rises, the inclined surfaces on both sides of it interact with the inclined surfaces of the moving block 311, pushing the moving block 311 to move to both sides, and the moving block 311 is fixedly connected to the clamping block 303, thereby driving the clamping block 303 to rotate around the movable shaft 302, so that the two clamping blocks 303 approach each other and clamp the contact network line, preparing for subsequent cleaning work.

[0028] A slot 309 is formed inside the top plate 2 , and a storage box 310 is fixedly mounted on the bottom of the top plate 2 . The storage box 310 is located at the bottom of the slot 309 , and the slot 309 is located at the bottom of the conical scraper 305 .

[0029] After the conical scraper 305 scrapes off the impurities on the contact network, the impurities fall into the storage box 310 through the slot 309 under the action of gravity; the storage box 310 collects and stores impurities, prevents the impurities from scattering, facilitates subsequent centralized cleaning, keeps the working environment of the inspection robot clean, and prevents impurities from contaminating the contact network or other equipment again.

[0030] The lifting assembly 5 includes a slide rod 501, a slider 502, a lifting frame 503, a central shaft 504, a connecting block 505, a bidirectional screw rod 506 and a first drive motor 507. Multiple slide rods 501 are sequentially installed inside the shell 1 and at the bottom of the top plate 2. The slider 502 is slidably installed on the outer wall of the slide rod 501. The lifting frame 503 is movably installed between multiple sliders 502. The central shaft 504 is movably installed inside the lifting frame 503. The connecting block 505 is fixedly connected between the two bottom sliders 502. The bidirectional screw rod 506 is movably installed inside the shell 1. The first drive motor 507 is fixedly installed on the outer wall of the shell 1. The bidirectional screw rod 506 is fixedly installed at the output end of the first drive motor 507.

[0031] When it is necessary to adjust the height of the top plate 2 and the equipment thereon, start the first drive motor 507, and the first drive motor 507 drives the bidirectional screw rod 506 to rotate. Since the connecting block 505 is threadedly connected to the bidirectional screw rod 506, and the slider 502 can only slide on the slide rod 501, the rotation of the bidirectional screw rod 506 will cause the connecting block 505 to move along the bidirectional screw rod 506. The movement of the connecting block 505 drives the slider 502 fixedly connected to it to move, and then the lifting frame 503 rises smoothly under the coordinated action of multiple sliders 502, and finally the height adjustment of the top plate 2 is realized to meet the inspection needs of rigid contact networks at different heights.

[0032] The moving component 6 includes supporting ear plates 601, a rotating shaft 602 and a moving wheel 603. Four supporting ear plates 601 are fixedly connected to the bottom of the shell 1. The rotating shaft 602 is movably installed between two supporting ear plates 601, and the moving wheels 603 are fixedly installed at both ends of the rotating shaft 602.

[0033] When in use, the rotating shaft 602 rotates, thereby driving the moving wheels 603 fixed at both ends of the rotating shaft 602 to rotate, providing a stable moving power for the inspection robot, enabling it to move on the rigid contact network according to a predetermined path and speed, and realize continuous inspection and cleaning operations of the contact network.

[0034] A second drive motor 604 is fixedly installed inside the shell 1, and a double-groove pulley 605 is fixedly installed at the output end of the second drive motor 604. A belt groove is opened on the outer wall of the rotating shaft 602, and two drive belts 606 are fixedly installed between the double-groove pulley 605 and the two belt grooves.

[0035] When in use, the second drive motor 604 is started, and the second drive motor 604 drives the double-groove pulley 605 to rotate. Since the double-groove pulley 605 is connected to the belt groove on the outer wall of the rotating shaft 602 through the drive belt 606, the rotation of the double-groove pulley 605 will transmit power to the rotating shaft 602 through the drive belt 606, causing the rotating shaft 602 to rotate.

[0036] Working principle: When performing rigid contact network inspection operations, first start the second drive motor 604, the second drive motor 604 drives the double-groove pulley 605 to rotate, and the driving belt 606 rotates the rotating shaft 602, thereby driving the moving wheel 603 to rotate, so that the inspection robot moves to the designated position along the rigid contact network.

[0037] When the area that needs to be inspected or cleaned is reached, the first drive motor 507 is started, and the first drive motor 507 drives the bidirectional screw rod 506 to rotate. Under the coordinated action of the connecting block 505, the slider 502 and the slide rod 501, the lifting frame 503 drives the top plate 2 and the camera 4 and the cleaning component 3 thereon to rise or fall to a suitable height, so as to accurately inspect or clean the rigid contact network.

[0038] If it is necessary to clean impurities on the contact network, start the electric push rod 308, which pushes the conical push block 306 to rise in the slide groove 307. The conical push block 306 interacts with the moving block 311 to make the two clamping blocks 303 rotate around the movable axis 302 and clamp the contact network line. Then, as the robot continues to move, the conical scraper 305 scrapes off the impurities on the contact network, and the impurities fall into the storage box 310 through the slot 309.

[0039] During the entire inspection process, camera 4 continuously photographs and monitors the rigid contact network and transmits image information to the background control system so that staff can promptly understand the status of the contact network, identify potential problems and deal with them in a timely manner, ensuring the safe and stable operation of the rigid contact network.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rigid contact network inspection robot, comprising a housing (1), characterized in that: A top plate (2) is movably mounted on the top of the housing (1), a cleaning assembly (3) is mounted on the top of the top plate (2), a camera (4) is fixedly mounted on the top of the top plate (2), a lifting assembly (5) is mounted between the housing (1) and the top plate (2), and a moving assembly (6) is mounted inside the housing (1); The cleaning assembly (3) comprises a support rod (301), a movable shaft (302), a clamping block (303), a movable block (304) and a conical scraper (305), wherein the support rod (301) has two fixed connections to the top of the top plate (2), the movable shaft (302) is movably mounted between the two support rods (301), the clamping block (303) has two movably mounted on the outer wall of the movable shaft (302), the movable block (304) is fixedly connected to the bottom of the clamping block (303) and is located on the outer wall of the movable shaft (302), and the conical scraper (305) is fixedly connected to the front end of the clamping block (303).

2. The rigid catenary inspection robot according to claim 1, characterized in that: The cleaning assembly (3) further comprises a conical push block (306), a chute (307), an electric push rod (308) and a moving block (311), wherein the conical push block (306) is slidably mounted between the two support rods (301), the chute (307) is provided inside the support rod (301), the conical push block (306) is slidably mounted inside the chute (307), the electric push rod (308) is fixedly connected to the top of the top plate (2), the conical push block (306) is fixedly mounted on the top of the electric push rod (308), and the moving block (311) has two fixedly connected to the bottoms of the two clamping blocks (303) in sequence, and the conical push block (306) is located between the two moving blocks (311).

3. The rigid catenary inspection robot according to claim 1, characterized in that: A slot (309) is provided inside the top plate (2), a storage box (310) is fixedly mounted on the bottom of the top plate (2), the storage box (310) is located at the bottom of the slot (309), and the slot (309) is located at the bottom of the conical scraper (305).

4. The rigid catenary inspection robot according to claim 1, characterized in that: The lifting assembly (5) comprises a sliding rod (501), a slider (502), a lifting frame (503), a central shaft (504), a connecting block (505), a bidirectional screw rod (506) and a first drive motor (507). The sliding rod (501) has a plurality of sliding rods (501) sequentially mounted inside the housing (1) and at the bottom of the top plate (2). The slider (502) is slidably mounted on the outer wall of the sliding rod (501). The lifting frame (503) is movably mounted between the plurality of sliders (502). The central shaft (504) is movably mounted inside the lifting frame (503). The connecting block (505) is fixedly connected between the two bottom sliders (502). The bidirectional screw rod (506) is movably mounted inside the housing (1). The first drive motor (507) is fixedly mounted on the outer wall of the housing (1). The bidirectional screw rod (506) is fixedly mounted at the output end of the first drive motor (507).

5. The rigid catenary inspection robot according to claim 1, characterized in that: The moving assembly (6) comprises a supporting lug plate (601), a rotating shaft (602) and a moving wheel (603); four supporting lug plates (601) are fixedly connected to the bottom of the housing (1); the rotating shaft (602) is movably mounted between two supporting lug plates (601); and the moving wheels (603) are fixedly mounted at both ends of the rotating shaft (602).

6. The rigid catenary inspection robot according to claim 5, characterized in that: A second drive motor (604) is fixedly installed inside the housing (1), a double-groove pulley (605) is fixedly installed at the output end of the second drive motor (604), a belt groove is opened on the outer wall of the rotating shaft (602), and two drive belts (606) are fixedly installed between the double-groove pulley (605) and the two belt grooves.