Chassis bolt installation detection device for rail transit vehicle

Abstract

The utility model belongs to the technical field of rail transit vehicles, and relates to a rail transit vehicle chassis bolt installation detection device. The upper portion of the device body (1) is provided with an upper end measuring jaw (2) extending towards the side face of the device body (1), the side face of the device body (1) is provided with a lower end measuring jaw (3) extending towards the side face of the device body (1), the lower end measuring jaw (3) is movably connected with the device body (1), the length of the lower end measuring jaw (3) is shorter than that of the upper end measuring jaw (2), and the lower end measuring jaw (3) is located below the upper end measuring jaw (2). The rail transit vehicle chassis bolt installation detection device is simple in structure, can conveniently, rapidly and accurately detect the installation condition of chassis bolts, and is labor-saving in operation and high in detection efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of rail transit vehicles, and more specifically, relates to a rail transit vehicle underframe bolt installation detection device. Background Art

[0002] During the production of rail transit vehicles, the chassis wiring uses brackets to fix and lay the wiring harness. After the brackets and wiring harnesses are installed, the installation of the relevant chassis bolts needs to be inspected. On the one hand, it is necessary to check whether the bolts are installed in place, and on the other hand, it is necessary to check whether the gap between the tail end of the bolt and the chassis beam is qualified. Because the chassis bolts are installed in the C-shaped groove at the bottom of the chassis beam, the space in this area is narrow, and manual inspection is inconvenient to achieve, which affects the inspection efficiency and the normal production rhythm of the vehicle.

[0003] In the prior art, there is a technology named "A modular assembled integral wire trough with a self-contained chassis" and the publication number is "CN115579811A", which discloses a modular assembled integral wire trough with a self-contained chassis, and relates to the field of electrical wiring technology for rail transit locomotives and vehicles. The present invention includes a multi-section wire trough assembly, each section of which includes a chassis and a wire trough body, the bottom of which is welded to the chassis, the chassis is in the shape of a ladder, the chassis is welded by a crossbeam and a longitudinal beam, and the ends of the crossbeam are also provided with plug-ins, and adjacent chassis are fixedly connected by plug-ins and bolts, so that the multi-section wire trough assembly is assembled into an integral wire trough. The present invention can be divided into a multi-section wire trough assembly, and its self-contained chassis has a strong mechanical strength. The wire trough assembly can be assembled into an integral wire trough as needed, and wiring is performed under the vehicle. After assembly, the wire trough is hoisted on the bottom of the vehicle body by a hanger as a whole, has high strength, is not easy to deform, and is installed on the guide rails of the locomotive vehicle by bolts, which meets the requirements of platformization and modularization of locomotive vehicles.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a rail transit vehicle chassis bolt installation detection device is provided which has a simple structure, can conveniently, quickly and accurately detect the installation status of chassis bolts, has labor-saving operation, high detection efficiency and meets the production rhythm.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is:

[0007] The utility model discloses a rail transit vehicle underframe bolt installation detection device, comprising a device body, an upper end measuring claw extending toward the side of the device body is arranged on the upper part of the device body, a lower end measuring claw extending toward the side of the device body is arranged on the side of the device body, the lower end measuring claw is movably connected to the device body, the length of the lower end measuring claw is shorter than that of the upper end measuring claw, and the lower end measuring claw is located below the upper end measuring claw.

[0008] The lower end measuring claw and the upper end measuring claw are arranged in parallel.

[0009] The lower end measuring claw and the upper end measuring claw are both thin sheet structures.

[0010] The rear end of the lower measuring claw is movably clamped in the T-shaped slot on the side of the device body through a T-shaped block, and the T-shaped slot is vertically arranged on the device body.

[0011] The front end of the device body is provided with a scale line, and the scale line extends downward from the upper end measuring claw position at the front end of the device body, and the upper end measuring claw position is the starting value of the scale.

[0012] When the rail transit vehicle chassis bolt installation detection device performs chassis bolt installation detection, the upper end measuring claw is set to a structure that can abut against the end of the chassis bolt, and the lower end measuring claw is set to a structure that can abut against the upper end surface of the T-nut.

[0013] After the base frame bolts are installed, a structure with a gap between the base frame bolts and the base frame beam is provided.

[0014] A fastening bolt is arranged on the other side of the device body.

[0015] A hand-held part is arranged at the lower part of the device body.

[0016] The technical solution of the utility model is adopted, and the working principle and beneficial effects are as follows:

[0017] The rail transit vehicle chassis bolt installation detection device described in the utility model can detect whether the chassis bolts interfere with the chassis beams, and can detect whether the chassis bolts and T-nuts are installed in place, and is convenient for the detection device to be operated and used in a narrow space. When detecting whether the chassis bolts interfere with the chassis beams, the upper end measuring claws of the detection device are inserted between the rear end of the chassis bolts and the chassis beams. If the upper end measuring claws can pass through the gap between the two, it indicates that it is qualified and there is no interference; if it cannot pass through, it is unqualified, the chassis bolts interfere with the chassis beams, and rework is required. When checking whether the installation of the chassis bolts and T-nuts is in place, the upper measuring claw is placed against the tail end of the chassis bolt, and then the lower measuring claw is moved along the device body until the lower measuring claw is placed against the upper end of the T-nut. At this time, the data can be read out quickly and easily through the scale line. The data is the distance between the upper measuring claw and the lower measuring claw, that is, the distance between the tail end of the chassis bolt and the T-nut. The actual detected value and the standard value range are judged. If it is within the range, it is qualified, and if it is not within the range, it is unqualified. In this way, the detection operation is convenient and quick, with high efficiency, not affected by narrow space, and the detection results are accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following is a brief description of the contents and symbols in the drawings of this specification:

[0019] Figure 1 This is a structural schematic diagram of the rail transit vehicle underframe bolt installation detection device according to the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the rail transit vehicle underframe bolt installation detection device of the utility model during detection;

[0021] The marks in the attached drawings are: 1. device body; 2. upper end measuring claw; 3. lower end measuring claw; 4. scale line; 5. base frame bolt; 6. T-nut; 7. base frame beam; 8. fastening bolt; 9. T-slot; 10. T-block. DETAILED DESCRIPTION

[0022] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connection relationships of the components involved, the functions and working principles of the components, etc., by referring to the accompanying drawings:

[0023] As attached Figure 1 , Attachment Figure 2As shown, the utility model is a rail transit vehicle chassis bolt installation detection device, comprising a device body 1, an upper end measuring claw 2 extending to the side of the device body 1 is arranged on the upper part of the device body 1, and a lower end measuring claw 3 extending to the side of the device body 1 is arranged on the side of the device body 1, and the lower end measuring claw 3 is movably connected to the device body 1, and the length of the lower end measuring claw 3 is shorter than the upper end measuring claw 2, and the lower end measuring claw 3 is located below the upper end measuring claw 2. The above structure proposes an improved technical solution for the deficiencies in the prior art. The detection of the present invention, on the one hand, can detect whether the chassis bolt 5 interferes with the chassis beam 7, and on the other hand, can detect whether the chassis bolt 5 and the T-nut 6 are installed in place, and it is convenient for the detection device to be operated and used in a narrow space. When detecting whether the chassis bolt 5 interferes with the chassis beam 7, the upper end measuring claw 2 of the detection device is inserted between the tail end of the chassis bolt 5 and the chassis beam 7. If the upper end measuring claw 2 can pass through the gap between the two, it indicates that it is qualified and there is no interference; if it cannot pass through, it is unqualified, and the chassis bolt 5 interferes with the chassis beam 7 and needs to be reworked. When checking whether the installation of the chassis bolt 5 and the T-nut 6 is in place, the upper end measuring claw 2 is fitted to the tail end of the chassis bolt 5, and then the lower end measuring claw 3 is moved along the device body 1 to the position where the lower end measuring claw 3 fits the upper end surface of the T-nut 6. At this time, the data can be read out conveniently and quickly through the scale line 4. The data is the distance between the upper end measuring claw 2 and the lower end measuring claw 3, that is, the distance between the tail end of the chassis bolt and the T-nut 6. The actual detected value and the standard value range are judged. If it is within the range, it indicates qualified, and if it is not within the range, it indicates unqualified. In this way, the detection operation can be conveniently and quickly realized, the efficiency is high, it is not affected by narrow space, and the detection result is accurate. The rail transit vehicle chassis bolt installation detection device described in the utility model has a simple structure, can conveniently, quickly and accurately detect the installation status of the chassis bolts, is labor-saving to operate, and has high detection efficiency.

[0024] The lower end measuring jaw 3 and the upper end measuring jaw 2 are arranged in parallel. The lower end measuring jaw 3 and the upper end measuring jaw 2 are both thin sheet structures. In the above structure, the lower end measuring jaw 3 and the upper end measuring jaw 2 are both planar structures, and the two are parallel, so that when moving, the lower end measuring jaw accurately corresponds to the actual scale.

[0025] The rear end of the lower end measuring claw 3 is movably mounted in the T-slot 9 on the side of the device body 1 through a T-block 10, and the T-slot 9 is vertically arranged on the device body 1. A fastening bolt 8 is arranged on the other side of the device body 1. With the above structure, the lower end measuring claw can be moved up and down, so it is easy to adjust. When checking whether the installation of the base frame bolt 5 and the T-nut 6 is in place, the upper end measuring claw 2 is attached to the tail end of the base frame bolt 5, and the lower end measuring claw 3 is moved along the device body 1 to the position where the lower end measuring claw 3 is attached to the upper end surface of the T-nut 6. At this time, the fastening bolt 8 is tightened to realize the positioning of the lower end measuring claw 3 relative to the device body 1, and then the detection device is taken out from the base frame. The position of the lower end measuring claw 3 will not change, which is convenient for the operator to read the value.

[0026] The front end of the device body 1 is provided with a scale line 4, which extends downward from the upper end measuring claw 2 at the front end of the device body 1, and the upper end measuring claw 2 is the scale starting point value. In the above structure, the value of the scale line corresponding to the lower end measuring claw is the value actually detected and obtained.

[0027] When the rail transit vehicle underframe bolt installation detection device performs underframe bolt 5 installation detection, the upper end measuring claw 2 is configured to be able to abut against the end of the underframe bolt 5, and the lower end measuring claw 3 is configured to abut against the upper end surface of the T-nut 6. The above structure can conveniently and quickly detect whether the underframe bolt 5 and the T-nut 6 are installed in place.

[0028] After the chassis bolts 5 are installed, a gap is set between the chassis bolts 5 and the chassis beam 7. In the above structure, the thickness of the upper end measuring claw can pass through, and the gap on the surface meets the requirements, which means there is no interference. If the gap is too small or there is no gap, there is interference on the surface.

[0029] A hand-held part is arranged at the lower part of the device body 1. In the above structure, the hand-held part can be arranged as a cylindrical structure, which is convenient for operators to carry out hand-held inspection and improves the convenience of the inspection process.

[0030] The rail transit vehicle chassis bolt installation detection device described in the utility model can detect whether the chassis bolt 5 interferes with the chassis beam 7, and can detect whether the chassis bolt 5 and the T-nut 6 are installed in place, and it is convenient for the detection device to be operated and used in a narrow space. When detecting whether the chassis bolt 5 interferes with the chassis beam 7, the upper end measuring claw 2 of the detection device is inserted between the rear end of the chassis bolt 5 and the chassis beam 7. If the upper end measuring claw 2 can pass through the gap between the two, it indicates that it is qualified and there is no interference; if it cannot pass through, it is unqualified, the chassis bolt 5 interferes with the chassis beam 7, and rework is required. When checking whether the installation of the chassis bolt 5 and the T-nut 6 is in place, the upper end measuring claw 2 is fitted to the tail end of the chassis bolt 5, and then the lower end measuring claw 3 is moved along the device body 1 to the position where the lower end measuring claw 3 fits the upper end surface of the T-nut 6. At this time, the data can be read out conveniently and quickly through the scale line 4. The data is the distance between the upper end measuring claw 2 and the lower end measuring claw 3, that is, the distance between the tail end of the chassis bolt 5 and the T-nut 6. The actual detected value is compared with the standard value range. If it is within the range, it is qualified, and if it is not within the range, it is unqualified. In this way, the detection operation is convenient and quick, the detection efficiency is high, it is not affected by narrow space, and the detection result is accurate.

[0031] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A rail transit vehicle underframe bolt installation detection device, characterized in that: The device comprises a device body (1), an upper measuring claw (2) extending toward the side of the device body (1) is arranged on the upper part of the device body (1), a lower measuring claw (3) extending toward the side of the device body (1) is arranged on the side of the device body (1), the lower measuring claw (3) is movably connected to the device body (1), the lower measuring claw (3) is shorter than the upper measuring claw (2), and the lower measuring claw (3) is located below the upper measuring claw (2).

2. The rail transit vehicle underframe bolt installation detection device according to claim 1, characterized in that: The lower end measuring claw (3) and the upper end measuring claw (2) are arranged in parallel.

3. The rail transit vehicle underframe bolt installation detection device according to claim 2, characterized in that: The lower end measuring claw (3) and the upper end measuring claw (2) are both thin sheet structures.

4. The rail transit vehicle underframe bolt installation detection device according to claim 1 or 2, characterized in that: The rear end of the lower measuring claw (3) is movably clamped in a T-shaped slot (9) on the side of the device body (1) through a T-shaped block (10), and the T-shaped slot (9) is vertically arranged on the device body (1).

5. The rail transit vehicle underframe bolt installation detection device according to claim 1 or 2, characterized in that: A scale line (4) is arranged at the front end of the device body (1), and the scale line (4) extends downward from the upper end measuring claw (2) at the front end of the device body (1), and the upper end measuring claw (2) is the starting value of the scale.

6. The rail transit vehicle underframe bolt installation detection device according to claim 1 or 2, characterized in that: When the rail transit vehicle underframe bolt installation detection device performs underframe bolt (5) installation detection, the upper end measuring claw (2) is configured to be able to abut against the end of the underframe bolt (5), and the lower end measuring claw (3) is configured to be able to abut against the upper end surface of the T-nut (6).

7. The rail transit vehicle underframe bolt installation detection device according to claim 1 or 2, characterized in that: After the base frame bolts (5) are installed, a structure with a gap between the base frame bolts (5) and the base frame beam (7) is provided.

8. The rail transit vehicle underframe bolt installation detection device according to claim 4, characterized in that: A fastening bolt (8) is arranged on the other side of the device body (1).

9. The rail transit vehicle underframe bolt installation detection device according to claim 1 or 2, characterized in that: A hand-held part is arranged at the lower part of the device body (1).

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