Subway vehicle air whistle test device

By designing a test device for subway vehicle whistles, the potential hazards and physical discomfort during static whistle debugging were resolved. Remote control and loosening detection were achieved, ensuring the safety and reliability of whistle testing.

CN224136857UActive Publication Date: 2026-04-17QINGDAO METRO RAIL TRANSIT INTELLIGENT MAINTENANCE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO METRO RAIL TRANSIT INTELLIGENT MAINTENANCE CO LTD
Filing Date
2025-04-17
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

There are potential risks in the functional testing of subway car whistles during static debugging, and staff who are close to the whistles are prone to physical discomfort.

Method used

A test device for a subway vehicle whistle was designed, comprising a whistle device, a support component, a positioning and fixing mechanism, and a docking mechanism. The docking mechanism connects to a mobile air compressor to achieve remote control of the whistle test. The positioning and fixing mechanism and the fixing and detection component ensure the tightness between the whistle and the mounting base.

Benefits of technology

This ensures the safety and reliability of bagpipe testing, avoids physical harm to staff caused by bagpipe sound waves, and can promptly detect bagpipe loosening issues.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224136857U_ABST
    Figure CN224136857U_ABST
Patent Text Reader

Abstract

The utility model provides a metro vehicle air whistle testing device, belongs to the technical field of air whistle testing, and aims to solve the problems that an air whistle function test needs to be carried out along with a whole vehicle static debugging test in the testing process, hidden dangers exist in the mode, and a worker is close to an air whistle and easily feels uncomfortable. The positioning and fixing mechanism is installed in the supporting assembly. The fixed detection assembly is installed on the surface of the supporting assembly. The butt joint mechanism is installed in the supporting assembly and connected with the positioning and fixing mechanism. According to the utility model, the fan is connected with the air supply of the mobile air compressor or the air compression station, so that the air whistle can be remotely and independently controlled for testing, and the body of a tester cannot be damaged; the fixed detection assembly and the screw rod can be conveniently subjected to a butt joint test, and whether the air whistle and the mounting seat are loosened or not can be tested.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of bagpipe testing technology, and more specifically, it relates to a bagpipe testing device for subway vehicles. Background Technology

[0002] The process of overhauling and repairing subway cars requires disassembling the bagpipes for inspection, replacing essential parts, and then reinstalling them on the train. The bagpipes are then tested during the static commissioning of the entire train. This method has the potential for bagpipes to malfunction during inspection. If the bagpipes malfunctions during static commissioning, they must be disassembled and inspected again, which increases the workload. In addition, if workers are close to the bagpipes during the testing process, they may experience physical discomfort due to the strong sound waves from the bagpipes. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a subway vehicle whistle testing device. This addresses the issue mentioned in the background art, where the whistle function test needs to be conducted during the static debugging test of the entire vehicle. This method has potential risks, and the close proximity of staff to the whistle can easily cause physical discomfort.

[0004] This utility model discloses a subway vehicle whistle testing device, which is achieved through the following specific technical means:

[0005] A test device for a subway vehicle whistle includes: a whistle device, a support assembly, a positioning and fixing mechanism, a fixing and detection assembly, and a docking mechanism; one side of the whistle device is fixedly connected to the support assembly; the positioning and fixing mechanism is installed inside the support assembly; the number of fixing and detection assemblies is set to two sets, and the fixing and detection assemblies are installed on the surface of the support assembly; the docking mechanism is installed inside the support assembly and connected to the positioning and fixing mechanism; the docking mechanism includes: a control screw and a pusher; a gear is fixedly provided on the surface of the control screw, and the surface of the control screw is threadedly connected to one side of the pusher.

[0006] In at least some embodiments, the bagpipe device includes: a bagpipe, a mounting base, a fixing screw, and a connecting pipe; one side of the bagpipe is fixedly connected to the mounting base via the fixing screw; one end of the connecting pipe passes through the mounting base and is connected to the bagpipe.

[0007] In at least some embodiments, the support assembly includes: a support box, a fixed rod, a support plate, and a connecting branch pipe; the support box is a hollow cuboid structure; the fixed rod is a cuboid structure with a sliding groove inside, the fixed rod is fixedly installed inside the support box, and one end of a control screw is rotatably inserted into the support box and rotatably connected to the fixed rod; the support plate is fixedly installed inside the support box; the pusher is slidably connected to the support plate; and one side of the connecting branch pipe is fixedly connected to the support box.

[0008] In at least some embodiments, the positioning and fixing mechanism includes: a rotating rod, a bevel gear assembly, a control rod, a sliding frame, and a fixed clamping plate; a gear is fixedly disposed on the surface of the rotating rod, one end of the rotating rod is rotatably inserted into the interior of the fixed rod, and the gear on the surface of the rotating rod meshes with the gear on the surface of the control screw; one side of the bevel gear assembly is connected to the rotating rod; the control rod is rotatably installed inside the fixed rod, and one side of the control rod is rotatably connected to the rotating rod through the bevel gear assembly; one side of the sliding frame is slidably inserted into the groove of the fixed rod and threadedly connected to the control rod, and the rotation of the control rod can control the sliding frame to slide; one side of the fixed clamping plate is fixedly connected to the sliding frame, and the fixed clamping plate can facilitate the connection of the support assembly and the bagpipe device.

[0009] In at least some embodiments, the fixed detection assembly includes: a fixed support plate, a test strut, and a retaining ring; one side of the fixed support plate is fixedly connected to the support box; the test strut is slidably connected to the fixed support plate; and the retaining ring is fixedly installed on the surface of the test strut.

[0010] In at least some embodiments, the docking mechanism further includes: a connecting pipe, a sealing ring, and a connecting pipe; one side of the connecting pipe is fixedly connected to the push frame, and the connecting pipe is connected to the connecting pipe; the sealing ring is fixedly installed on the surface of the connecting pipe; one side of the connecting pipe is fixedly connected to the connecting pipe, and the other end of the connecting pipe is connected to the air supply of a mobile air compressor or air compressor station.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This utility model has an internal docking mechanism that connects the blower to a mobile air compressor or air compressor station, allowing for remote and independent control of the windhorn for testing without causing harm to the test personnel. The device also includes a positioning and fixing mechanism and a fixing and testing component. The positioning and fixing mechanism securely connects the support component to the windhorn, facilitating subsequent docking and testing of the fixing and testing component with the screw, and testing whether the windhorn and the mounting base are loose. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of this utility model.

[0014] Figure 2 This is a side view of the bagpipe device of this utility model.

[0015] Figure 3 This is a cross-sectional structural diagram of the support component of this utility model.

[0016] Figure 4 This is a cross-sectional structural diagram of the positioning and fixing mechanism of this utility model.

[0017] Figure 5 This is the utility model Figure 1A partial enlarged structural diagram of A.

[0018] Figure 6 This is a side view of the docking mechanism of this utility model.

[0019] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0020] 1. Bagpipe device; 101. Bagpipe; 102. Mounting base; 103. Fixing screw; 104. Connecting pipe; 2. Support assembly; 201. Support box; 202. Fixing rod; 203. Support plate; 204. Connecting branch pipe; 3. Positioning and fixing mechanism; 301. Rotating rod; 302. Bevel gear assembly; 303. Control rod; 304. Sliding frame; 305. Fixing clamp; 4. Fixing and testing assembly; 401. Fixing support plate; 402. Test support rod; 403. Retaining ring; 5. Docking mechanism; 501. Control screw; 502. Push frame; 503. Docking pipe; 504. Sealing ring; 505. Connecting pipe. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] Example 1:

[0023] As attached Figure 1 To be continued Figure 6 As shown:

[0024] This utility model provides a test device for a subway vehicle whistle, comprising: a whistle device 1, a support assembly 2, a positioning and fixing mechanism 3, a fixing and detection assembly 4, and a docking mechanism 5; the whistle device 1 is fixedly connected to the support assembly 2 on one side; the positioning and fixing mechanism 3 is installed inside the support assembly 2; the number of fixing and detection assemblies 4 is set to two sets, and the fixing and detection assemblies 4 are installed on the surface of the support assembly 2; the docking mechanism 5 is installed inside the support assembly 2 and connected to the positioning and fixing mechanism 3; the docking mechanism 5 includes: a control screw 501 and a pusher 502; a gear is fixedly provided on the surface of the control screw 501, and the surface of the control screw 501 is threadedly connected to one side of the pusher 502.

[0025] like Figure 2 As shown, the bagpipe device 1 includes: a bagpipe 101, a mounting base 102, a fixing screw 103, and a connecting pipe 104; one side of the bagpipe 101 is fixedly connected to the mounting base 102 via the fixing screw 103; one end of the connecting pipe 104 passes through the mounting base 102 and is connected to the bagpipe 101.

[0026] like Figure 3As shown, the support assembly 2 includes: a support box 201, a fixing rod 202, a support plate 203, and a connecting branch pipe 204; the support box 201 is a hollow cuboid structure; the fixing rod 202 is a cuboid structure with a sliding groove inside, and the fixing rod 202 is fixedly installed inside the support box 201. One end of the control screw 501 is rotatably inserted into the support box 201 and rotatably connected to the fixing rod 202; the support plate 203 is fixedly installed inside the support box 201; the pusher 502 is slidably connected to the support plate 203; and one side of the connecting branch pipe 204 is fixedly connected to the support box 201.

[0027] like Figure 4 As shown, the positioning and fixing mechanism 3 includes: a rotating rod 301, a bevel gear assembly 302, a control rod 303, a sliding frame 304, and a fixing plate 305; a gear is fixedly installed on the surface of the rotating rod 301, and one end of the rotating rod 301 is rotatably inserted into the interior of the fixing rod 202, with the gear on the surface of the rotating rod 301 meshing with the gear on the surface of the control screw 501; one side of the bevel gear assembly 302 is connected to the rotating rod 301; the control rod 303 is rotatably installed inside the fixing rod 202, and one side of the control rod 303 is rotatably connected to the rotating rod 301 through the bevel gear assembly 302; one side of the sliding frame 304 is slidably inserted into the groove of the fixing rod 202 and threadedly connected to the control rod 303, and the rotation of the control rod 303 can control the sliding frame 304 to slide; one side of the fixing plate 305 is fixedly connected to the sliding frame 304, and the fixing plate 305 can conveniently support the connection between the assembly 2 and the bagpipe device 1.

[0028] like Figure 5 As shown, the fixed testing assembly 4 includes: a fixed support plate 401, a test strut 402, and a retaining ring 403; one side of the fixed support plate 401 is fixedly connected to the support box 201; the test strut 402 is slidably connected to the fixed support plate 401; and the retaining ring 403 is fixedly installed on the surface of the test strut 402.

[0029] like Figure 6 As shown, the docking mechanism 5 also includes: a connecting pipe 503, a sealing ring 504, and a connecting pipe 505; one side of the connecting pipe 503 is fixedly connected to the push frame 502, and the connecting pipe 503 is connected to the connecting pipe 104; the sealing ring 504 is fixedly installed on the surface of the connecting pipe 503; one side of the connecting pipe 505 is fixedly connected to the connecting pipe 503, and the other end of the connecting pipe 505 is connected to the air supply of the mobile air compressor or air compressor station.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In this invention, during testing, the connecting branch pipe 204 is placed outside the connecting pipe 104, and two sets of fixing clamps 305 are located at the left and right ends of the mounting base 102. The rotating control screw 501, with its surface gears controlling the simultaneous rotation of the two sets of rotating rods 301, controls the rotation of the two sets of rotating rods 301. Since the bottom of the rotating rod 301 is rotatably connected to the control rod 303 via a bevel gear assembly 302, the threads on the surface of the control rod 303 control the sliding frame 304 and the fixing clamps 305 to slide inwards during rotation. The grooves of the fixing clamps 305 mate with the mounting base 102, completing the clamping and positioning fixation. Simultaneously, the threads on the surface of the control screw 501 control the push frame during rotation. 502 slides, because one end of the control pusher 502 is fixedly connected to the connecting pipe 503, the connecting pipe 503 is pushed and slides into the connecting pipe 204 to complete the docking. The sealing ring 504 has a sealing function. The windhorn 101 is connected to the air supply of the mobile air compressor or air compressor station through the connecting pipe 503 and the connecting pipe 505. During the test, the staff can remotely control the windhorn 101 to sound to conduct the test. After the test is completed, the test support rod 402 can also be controlled to slide. The test support rod 402 corresponds to the nut. If the test support rod 402 cannot be inserted, or the position of the test support rod 402 changes, the surface screw fastening has a problem, and the surface mounting seat 102 and the windhorn 101 become loose.

[0032] The following points should be noted in this article:

[0033] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0034] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0035] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A subway vehicle whistle test device comprising: The bagpipe device (1), support assembly (2), positioning and fixing mechanism (3), fixing and detection assembly (4), and docking mechanism (5) are provided. One side of the bagpipe device (1) is fixedly connected to the support assembly (2). The positioning and fixing mechanism (3) is installed inside the support assembly (2). The fixing and detection assembly (4) is installed on the surface of the support assembly (2). The docking mechanism (5) is installed inside the support assembly (2) and connected to the positioning and fixing mechanism (3). The docking mechanism (5) includes a control screw (501) and a pusher (502). A gear is fixedly provided on the surface of the control screw (501), and the surface of the control screw (501) is threadedly connected to one side of the pusher (502).

2. The subway vehicle whistle testing device of claim 1, wherein: The bagpipe device (1) includes: a bagpipe (101), a mounting base (102), a fixing screw (103), and a connecting pipe (104); one side of the bagpipe (101) is fixedly connected to the mounting base (102) through the fixing screw (103); one end of the connecting pipe (104) passes through the mounting base (102) and is connected to the bagpipe (101).

3. The subway vehicle whistle testing device of claim 2, wherein: The support assembly (2) includes: a support box (201), a fixing rod (202), a support plate (203), and a connecting branch pipe (204); the support box (201) is a hollow cuboid structure; the fixing rod (202) is fixedly installed inside the support box (201), and one end of the control screw (501) is rotated and inserted into the support box (201) and rotatedly connected to the fixing rod (202); the support plate (203) is fixedly installed inside the support box (201); the pusher (502) is slidably connected to the support plate (203); one side of the connecting branch pipe (204) is fixedly connected to the support box (201).

4. The subway vehicle whistle testing device of claim 3, wherein: The positioning and fixing mechanism (3) includes: a rotating rod (301), a bevel gear assembly (302), a control rod (303), a sliding frame (304), and a fixed clamping plate (305); a gear is fixedly installed on the surface of the rotating rod (301), and one end of the rotating rod (301) is rotatably inserted into the interior of the fixed rod (202), and the gear on the surface of the rotating rod (301) meshes with the gear on the surface of the control screw (501); one side of the bevel gear assembly (302) is connected to the rotating rod (301); the control rod (303) is rotatably installed inside the fixed rod (202), and one side of the control rod (303) is rotatably connected to the rotating rod (301) through the bevel gear assembly (302); one side of the sliding frame (304) is slidably inserted into the groove of the fixed rod (202) and threadedly connected to the control rod (303); one side of the fixed clamping plate (305) is fixedly connected to the sliding frame (304).

5. The subway vehicle whistle testing device of claim 3, wherein: The fixed detection component (4) includes: a fixed support plate (401), a test strut (402), and a retaining ring (403); one side of the fixed support plate (401) is fixedly connected to the support box (201); the test strut (402) is slidably connected to the fixed support plate (401); and the retaining ring (403) is fixedly installed on the surface of the test strut (402).

6. The subway vehicle whistle testing device of claim 2, wherein: The docking mechanism (5) further includes: a connecting pipe (503), a sealing ring (504), and a connecting pipe (505); one side of the connecting pipe (503) is fixedly connected to the push frame (502), and the connecting pipe (503) is connected to the connecting pipe (104); the sealing ring (504) is fixedly installed on the surface of the connecting pipe (503); one side of the connecting pipe (505) is fixedly connected to the connecting pipe (503), and the other end of the connecting pipe (505) is connected to the air supply of the mobile air compressor or air compressor station.