Urban rail vehicle chassis cavity inspection device

Abstract

The utility model discloses an urban rail vehicle chassis cavity inspection device, which comprises an inspection vehicle, the inspection vehicle comprises a three-edged vehicle body, three side ridge surfaces of the three-edged vehicle body are respectively arranged as a bottom surface and two side surfaces, and the bottom surface of the three-edged vehicle body is provided with a plurality of driving wheels capable of actively rotating. A plurality of follow-up side wheels are arranged on the side face of each three-edged vehicle body, each side wheel is provided with a spring supporting mechanism used for jacking the side wheel outwards in a protruding mode, and an image collecting unit, a lighting unit and a dust removing unit are arranged on the front end face and the rear end face of each three-edged vehicle body respectively. The device can be well suitable for inspection and cleaning operation of the interior of a V-shaped cavity of an urban rail thorough frame, and can pass through the cavity in a relatively stable operation mode, so that the inspection efficiency is greatly improved, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection equipment, in particular to a cavity inspection device for an underframe of an urban rail vehicle. Background Art

[0002] The wiring in the underframe cavity of urban rail vehicles is the core path for the entire vehicle cable routing, including high-voltage cables, signal cables, low-voltage cables and other vehicle energy supply and control cables. The underframe cavity space is small, and it is a permanent project after threading. If the remains of the cavity are not discovered at the time, causing damage to the cable, it will cause major driving safety problems and irreversible losses to the vehicle. The cavity space is small, and the distribution method is that the positive and negative "V" shapes are opposite to each other. The operating space is small, the interior is deep and difficult to observe, and the operation process is very complicated. If the rubber wire trough encounters foreign matter in the cavity during the threading process, it will cause the rubber wire trough to get stuck.

[0003] Therefore, the current urban rail vehicle underframe cavity wiring has the following problems:

[0004] 1. There is no effective equipment to inspect the underframe cavity after the body work is completed;

[0005] 2. Before inserting the pipe, the cavity was not checked. Although a high-pressure air duct was used for blowing, large foreign objects could not be blown out.

[0006] 3. Lack of dedicated equipment to inspect the chassis cavity.

[0007] Based on this, the utility model designs a cavity inspection device for an urban rail vehicle underframe to solve the above problems. Utility Model Content

[0008] The utility model aims to provide a cavity inspection device for an underframe of an urban rail vehicle to solve the problems raised in the above-mentioned background technology.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] A device for inspecting the underframe cavity of an urban rail vehicle comprises an inspection vehicle, wherein the inspection vehicle comprises a triangular vehicle body, wherein the three side edges of the triangular vehicle body are respectively arranged as a bottom surface and two side surfaces, wherein the bottom surface of the triangular vehicle body is provided with a plurality of actively rotating driving wheels, and each side surface of the triangular vehicle body is respectively provided with a plurality of follow-up side wheels, wherein each of the side wheels is equipped with a spring supporting mechanism for protruding the side wheel outward and lifting it, and wherein the front and rear end surfaces of the triangular vehicle body are respectively provided with an image acquisition unit, a lighting unit and a dust removal unit.

[0011] Preferably, the image acquisition unit includes cameras installed on the front and rear end surfaces of the triangular body, a control board is installed inside the triangular body, and a wireless transmission module for transmitting the camera output signal in real time is integrated on the control board.

[0012] Preferably, the lighting unit includes a searchlight arranged directly above the camera.

[0013] Preferably, the dust removal unit comprises a plurality of soot blowing ports arranged at the corner positions of the end surface of the triangular body, a blower is installed inside the triangular body, and the air blowing ports of the blower are respectively communicated with the soot blowing ports through a plurality of air blowing pipes.

[0014] Preferably, a battery for power supply is provided inside the triangular vehicle body.

[0015] Preferably, the spring supporting mechanism includes a side wheel groove opened on the side of the triangular vehicle body, and an axle groove is opened on the upper and lower relative groove walls of the side wheel groove along the vertical side direction, and an axle seat block is slidably clamped in each of the axle grooves, and the two ends of the wheel axle of the side wheel are respectively rotatably installed on the corresponding axle seat blocks, and a block spring for pushing the axle seat block upward is installed in each of the axle grooves.

[0016] Preferably, a driving motor is provided inside the triangular vehicle body, and the driving motor is connected to the plurality of driving wheels via a reduction gear box.

[0017] Preferably, hooks are provided on the front and rear end surfaces of the triangular vehicle body.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model provides a solution for the situation where the closed area cannot be inspected; provides a detection device for the quality detection of key positions, avoiding the problem that problems cannot be found during the product manufacturing process; plays a significant role in the quality of the chassis high-voltage cable wiring; and makes up for the blank that the existing inspection device cannot detect the quality of the cavity;

[0020] Tooling research and development effectively solves problems on the production site and can also play a role in promotion. In some locations similar to cavities, some special tooling can be developed to solve on-site problems conveniently and quickly;

[0021] 2. The utility model can be well applied to the inspection and cleaning operation inside the V-shaped cavity of the urban rail, and can travel through the cavity in a relatively stable operation mode, which greatly improves the inspection efficiency and saves time and effort;

[0022] 3. The utility model has a built-in control panel and wireless transmission module, which can facilitate data transmission and allow inspection personnel to observe the internal conditions of the cavity in real time;

[0023] 4. The utility model is provided with a soot blowing port, which can perform air blowing operation from multiple points on the end face of the triangular body, and can blow out the dust inside the cavity;

[0024] 5. The side wheels of the utility model are always protruding outwards, and are used to press against the inner walls on both sides above the cavity. The elastic side wheels can adapt to cavities of different sizes, and ensure that the driving wheels at the bottom of the triangular body press against and rotate without slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 This is a schematic diagram of the structure of the utility model from the front side perspective;

[0027] Figure 2 for Figure 1 Bottom view of the

[0028] Figure 3 for Figure 1 Schematic diagram of the structure after removing the body shell;

[0029] Figure 4 It is a schematic diagram of the structure of the side wheel groove.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] A triangular vehicle body 1, a hook 2, a camera 3, a searchlight 4, a soot blowing port 5, a side wheel 6, a side wheel groove 7, an axle slide groove 8, an axle seat block 9, a block spring 10, a driving wheel 11, a reduction gear box 12, a driving motor 13, a blower 14, and a blast pipe 15. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-4 , the utility model provides a technical solution:

[0034] A device for inspecting the underframe cavity of a city rail vehicle comprises an inspection vehicle, wherein the inspection vehicle comprises a triangular vehicle body 1, wherein the three side edges of the triangular vehicle body 1 are respectively arranged as a bottom surface and two side surfaces, wherein the bottom surface of the triangular vehicle body 1 is provided with a plurality of actively rotating driving wheels 11, and each side surface of the triangular vehicle body 1 is respectively provided with a plurality of follow-up side wheels 6, wherein each side wheel 6 is equipped with a spring supporting mechanism for protruding the side wheel 6 outward and lifting it, and the front and rear end surfaces of the triangular vehicle body 1 are respectively provided with an image acquisition unit, a lighting unit and a dust removal unit;

[0035] When working, the triangular body 1 can penetrate deeply into the V-shaped cavity at the bottom of the vehicle, wherein the driving wheel 11 is used as a driving unit to drive the vehicle 1 to move forward and backward as a whole, and the side wheels 6 are respectively against the inner walls of the V-shaped cavity, and the side wheels 6 are elastic and can provide good passability and shock absorption, while providing greater downforce for the driving wheel 11, and providing friction between the driving wheel 11 and the inner wall of the cavity to prevent the driving wheel 11 from slipping when it rotates actively. When the triangular body 1 moves in the V-shaped cavity, the lighting unit provides lighting conditions for the image acquisition unit, which is convenient for image acquisition in dark environments, and the dust removal unit can perform cleaning operations. Therefore, the utility model can be well applied to the inspection and cleaning operations inside the V-shaped cavity of the urban rail thorough frame, and can travel through the cavity in a relatively stable operation mode, which greatly improves the inspection efficiency and saves time and effort.

[0036] The image acquisition unit includes cameras 3 installed on the front and rear ends of the triangular body 1, a control board is installed inside the triangular body 1, and a wireless transmission module for transmitting the output signal of the camera 3 in real time is integrated on the control board;

[0037] Wherein, the lighting unit comprises a searchlight 4 arranged directly above the camera 3;

[0038] The dust removal unit includes a plurality of soot blowing ports 5 arranged at the corner positions of the end surface of the triangular body 1, a blower 14 is installed inside the triangular body 1, and the air blowing ports of the blower 14 are respectively connected to the soot blowing ports 5 through a plurality of air blowing pipes 15;

[0039] During operation, the searchlight 4 is turned on, the camera 3 collects the internal image of the cavity in real time and transmits the image information to the outside through the wireless transmission module. External inspection personnel can observe the internal situation of the cavity in real time with the help of external pick-up equipment. The blower 14 will perform blowing operation from multiple points on the end face of the triangular body 1 through the blower pipe 15, so as to blow out the dust inside the cavity.

[0040] Wherein, a battery for power supply is arranged inside the triangular vehicle body 1;

[0041] During operation, the storage battery can provide a power source for driving the image acquisition unit, the lighting unit, the dust removal unit and the driving wheel 11 without the restriction of the linear speed.

[0042] The spring support mechanism includes a side wheel groove 7 provided on the side of the triangular vehicle body 1, and an axle slot 8 is provided on the upper and lower opposite slot walls of the side wheel groove 7 in a vertical side direction, and an axle seat block 9 is slidably mounted in each of the axle slots 8, and the two ends of the wheel axle of the side wheel 6 are rotatably mounted on the corresponding axle seat block 9, and a block spring 10 for pushing the axle seat block 9 upward is installed in each of the axle slots 8;

[0043] During operation, the side wheels 6 are rotatably mounted on two axle seat blocks 9, and the axle seat blocks 9 themselves can slide inward and outward along the vertical side direction. Under normal circumstances, the axle seat blocks 9 are pushed outward by the block springs 10, that is, the side wheels 6 are always protruding outward and are used to press against the inner walls on both sides above the cavity. On the one hand, the elastic side wheels 6 can adapt to cavities of different sizes to ensure that the driving wheels 11 at the bottom of the triangular body 1 are pressed against and rotated without slipping.

[0044] A driving motor 13 is disposed inside the triangular vehicle body 1, and the driving motor 13 is connected to the plurality of driving wheels 11 through a reduction gear box 12;

[0045] During operation, the driving motor 13 can realize the low-speed and high-torque rotation of the driving wheel 11 through the reduction gear box 12 .

[0046] Wherein, the front and rear end surfaces of the triangular vehicle body 1 are both provided with hooks 2;

[0047] During operation, the hook 2 can be tied with a rope to prevent the triangular body 1 from being stuck in the cavity and unable to be moved out. The triangular body 1 can be directly pulled out by external force through the rope, which is safer.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cavity inspection device for an urban rail vehicle underframe, comprising an inspection vehicle, characterized in that: The inspection vehicle comprises a triangular vehicle body (1), wherein the three side edges of the triangular vehicle body (1) are respectively arranged as a bottom surface and two side surfaces, the bottom surface of the triangular vehicle body (1) is provided with a plurality of actively rotating driving wheels (11), each side surface of the triangular vehicle body (1) is respectively provided with a plurality of follow-up side wheels (6), each side wheel (6) is equipped with a spring supporting mechanism for protruding the side wheel (6) outward, and the front and rear end surfaces of the triangular vehicle body (1) are respectively provided with an image acquisition unit, a lighting unit and a dust removal unit.

2. The urban rail vehicle underframe cavity inspection device according to claim 1, characterized in that: The image acquisition unit comprises cameras (3) mounted on the front and rear end surfaces of the triangular vehicle body (1); a control panel is mounted inside the triangular vehicle body (1); and a wireless transmission module for transmitting the output signal of the camera (3) in real time is integrated on the control panel.

3. The urban rail vehicle underframe cavity inspection device according to claim 2, characterized in that: The lighting unit comprises a searchlight (4) arranged directly above the camera (3).

4. The urban rail vehicle underframe cavity inspection device according to claim 1, characterized in that: The dust removal unit comprises a plurality of soot blowing ports (5) arranged at the corner positions of the end faces of the triangular vehicle body (1); a blower (14) is installed inside the triangular vehicle body (1); and the air blowing ports of the blower (14) are respectively connected to the soot blowing ports (5) through a plurality of air blowing pipes (15).

5. The urban rail vehicle underframe cavity inspection device according to any one of claims 1 to 4, characterized in that: A storage battery for power supply is arranged inside the triangular vehicle body (1).

6. The urban rail vehicle underframe cavity inspection device according to any one of claims 1 to 4, characterized in that: The spring support mechanism comprises a side wheel groove (7) provided on the side of the triangular vehicle body (1), an axle groove (8) provided on the upper and lower relative groove walls of the side wheel groove (7) along the vertical side direction, an axle seat block (9) being slidably mounted in each of the axle grooves (8), the two ends of the wheel axle of the side wheel (6) being rotatably mounted on the corresponding axle seat block (9), and a block spring (10) being installed in each of the axle grooves (8) for pushing the axle seat block (9) upward.

7. The urban rail vehicle underframe cavity inspection device according to claim 1, characterized in that: A driving motor (13) is arranged inside the triangular vehicle body (1), and the driving motor (13) is connected to the plurality of driving wheels (11) through a reduction gear box (12).

8. The urban rail vehicle underframe cavity inspection device according to any one of claims 1 to 4, characterized in that: The front and rear end surfaces of the triangular vehicle body (1) are both provided with hooks (2).

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