Device for detecting motion performance of carbon sliding shoe of cylinder type current collector

Abstract

The utility model discloses a cylinder type current collector carbon sliding shoe motion performance detection device, which belongs to the technical field of metro vehicle current collector maintenance tools and comprises a device body. The back plate is fixedly connected to the middle part of the device main body in a manner of extending vertically and upwards, a hanging plate is fixedly connected in a detection area A formed on one side of the back plate, and the hanging plate is connected with a current collector mounting hole through a connecting piece, so that the current collector is suspended in the detection area A to complete shoe taking-off and resetting actions; the air pipe assembly comprises a reversing slide valve fixedly connected to the top end of the back plate, an air supply main pipeline communicated with an air inlet of the reversing slide valve, and a first air supply pipeline and a second air supply pipeline which are connected with an air outlet of the reversing slide valve; the first air supply pipeline is connected with a shoe removing air pipe of a current collector air cylinder; the second air supply pipeline is connected with a reset air pipe of the current collector cylinder; according to the utility model, the motion performance of the current collector can be independently detected, and the beneficial effects of improving the detection efficiency and reducing the maintenance economic cost are achieved.

Description

Technical Field

[0001] This utility model relates to the field of maintenance tooling technology for subway vehicle current collectors, and in particular to a device for testing the action performance of a cylinder-type current collector carbon slipper. Background Technology

[0002] Subway vehicles are powered by either overhead contact line or third rail. Third rail power supply provides electricity to the entire vehicle through contact between the carbon sliding shoes of the current collector and the energized third rail. The supply voltage is typically 750V DC, and the speed is generally 80km / h. The current collectors are divided into lower and upper types, and each has a return and locking function. The locking function ensures that a defective current collector disengages from the third rail, thus guaranteeing the vehicle's round-trip operation. All current collectors are mounted on the side frame of the bogie. Each current collector has a mechanism consisting of two springs and two elastic bearings to maintain a constant pressure between the current collector and the third rail even after the carbon sliding shoes wear down.

[0003] Current collectors are classified into pneumatic and mechanical types based on their shoe-release mechanism. In pneumatic current collectors, each collector is equipped with a cylinder. The cylinder's air intake and exhaust are controlled by energizing and de-energizing a solenoid valve, which in turn causes the carbon sliding shoe of the current collector to descend or rise, achieving centralized shoe release or centralized current collection. Each subway train is equipped with the same number of current collectors, categorized into Type A and Type B based on their installation location. Both types have identical definitions and functions.

[0004] The current collector is a crucial component of the current receiving system in subway and light rail vehicles, and it requires regular inspection to ensure normal current receiving performance. Currently, subway vehicle maintenance sites often lack corresponding testing equipment, making it difficult to test the performance of the current collector's carbon slipper and repair or replace faulty components. This results in long periods of vehicle operation time and maintenance track occupancy during current collector testing. Furthermore, in the actual environment of existing vehicles, the current collector is not easily adjusted and measured due to installation location and space limitations, and requires wireless walkie-talkies to communicate with personnel in the driver's cab. These numerous steps lead to low work efficiency, unintuitive testing, and operational safety risks due to communication misunderstandings. In addition, in order to save maintenance time, faulty components are replaced entirely, which cannot achieve precise replacement and results in significant economic waste. Utility Model Content

[0005] The purpose of this invention is to overcome the defects of the existing technology and provide a cylinder-type current collector carbon skid performance testing device to solve the problems of occupying vehicle operating time and track and low testing efficiency when testing current collectors in the existing technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] This utility model discloses a device for testing the action performance of a cylinder-type current collector carbon slipper, comprising:

[0008] Main body of the device;

[0009] A backplate, extending vertically upwards and fixedly connected to the middle of the device body, has a hanging plate fixedly connected within a detection area A formed on one side of the backplate. The hanging plate is connected to a receiver mounting hole via a connector, allowing the receiver to suspend within the detection area A to perform unslip-up and repositioning actions.

[0010] The duct assembly includes a reversing slide valve fixed to the top of the back plate, a main air supply line communicating with the air inlet of the reversing slide valve, and a first air supply line and a second air supply line communicating with the air outlet of the reversing slide valve.

[0011] The first air supply duct is connected to the boot removal duct of the receiver cylinder;

[0012] The second air supply line is connected to the reset air duct of the receiver cylinder;

[0013] The main air supply line is connected to the air source at the end furthest from the reversing slide valve.

[0014] Furthermore, a first connector is fixedly connected to the upper part of the mounting plate for engaging with the current receiver mounting hole, and a connecting hole is formed in the lower part of the mounting plate. A second connector passes through the current receiver mounting hole and is threadedly connected to the connecting hole.

[0015] Furthermore, both the first and second connecting parts are bolts, and the connecting holes are welded with connecting nuts.

[0016] Furthermore, in order to reduce the weight of the device, the main body of the device is a quadrilateral frame structure, with positioning plates fixed at the internal corners. The positioning plates have positioning holes that connect to the worktable. The positioning holes are fixedly connected to the worktable by positioning bolts to ensure that the main body of the device is stably placed on the worktable.

[0017] Furthermore, the back plate includes two columns fixedly connected to the main body of the device, a crossbeam fixedly connected to the top of the two columns, and the hanging plate fixedly connected to the column below the crossbeam.

[0018] Furthermore, the reversing slide valve is a three-position four-way manual reversing slide valve.

[0019] Furthermore, the duct assembly also includes pressure gauges, with pressure gauges installed on both the first and second air supply ducts. The pressure gauges are fixedly connected to the top of the back plate, and the ends of the first and second air supply ducts are connected to the receiver cylinder duct via connectors.

[0020] In the above technical solution, the present invention provides a cylinder-type current collector carbon slipper action performance testing device, which has the following beneficial effects compared with the prior art;

[0021] This cylinder-type receiver carbon skid performance testing device uses the main body and back plate of the device to simulate the receiver's installation state on the bogie, and works with the air duct assembly to provide an air supply source for the receiver, thus realizing the testing of the receiver under the vehicle.

[0022] The use of this testing device avoids the problems of long vehicle operating time and lane occupation during on-site vehicle testing. Because vehicles cannot operate when stopped in designated lanes during testing, the testing and repair time is long, which will occupy vehicle operating time and scarce vehicle repair space resources. With this testing device, the faulty current receiver can be directly replaced and tested and repaired on the device, thus avoiding the occupation of vehicle operating time and repair space resources.

[0023] Secondly, the detection device effectively improves maintenance efficiency, optimizes maintenance procedures, and avoids the phenomenon of non-intuitive detection. With the use of this detection device, one person can operate it, resulting in fewer steps and higher efficiency.

[0024] In addition, this testing device effectively solves the problem of significant economic waste during previous on-site vehicle inspections. Using this device, the replaced receiver can be inspected at any time to identify and replace faulty parts, achieving precise repairs and avoiding the economic waste and losses caused by complete replacements, thereby improving the quality of maintenance. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0026] Figure 1 This is an isometric drawing of a cylinder-type current collector carbon slipper action performance testing device disclosed in this utility model;

[0027] Figure 2 This is a front view of a cylinder-type current collector carbon slipper action performance testing device disclosed in this utility model;

[0028] Figure 3 This is a top view of a cylinder-type current collector carbon skid performance testing device disclosed in this utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Main body of the device; 2. Positioning plate; 2.1. Positioning hole; 2.2. Positioning bolt; 3. Back plate; 3.1. Hanging plate; 3.2. First connecting piece; 3.3. Connecting hole; 4. Reversing slide valve; 5. Main air supply pipeline; 6. First air supply pipeline; 7. Second air supply pipeline; 8. Pressure gauge. Detailed Implementation

[0031] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0032] See Figure 1-3 As shown;

[0033] A utility model device for testing the motion performance of a cylinder-type current collector carbon slipper includes:

[0034] The device body 1 has a back plate 3 that extends vertically upward and is fixedly connected to the middle of the device body 1. A detection area A is formed on one side of the back plate 3 for detecting the current receiver under test. A hanging plate 3.1 is fixedly connected to the back plate 3 within the detection area A. The hanging plate 3.1 is connected to the current receiver mounting hole via a connector, allowing the current receiver to be suspended within the detection area A to complete the unslip-up and repositioning actions.

[0035] The duct assembly includes a reversing slide valve 4 fixed to the top of the back plate 3, a main air supply line 5 connected to the air inlet of the reversing slide valve 4, and a first air supply line 6 and a second air supply line 7 connected to the air outlet of the reversing slide valve 4.

[0036] The first air supply line 6 is connected to the boot removal air duct of the receiver cylinder, the second air supply line 7 is connected to the reset air duct of the receiver cylinder, one end of the main air supply line 5 is connected to the reversing slide valve 4, and the other end is connected to the external air supply source. Preferably, the reversing slide valve 4 is a three-position four-way manual reversing slide valve in the prior art, and the manufacturer is HANSA / FLEX, model HKV7467 reversing slide valve.

[0037] When the receiver shoe is released, the main air supply line 5 is connected to the air source, and the first air supply line 6 is controlled to take in air through the reversing slide valve 4. The first air supply line 6 supplies air to the shoe release air pipe of the receiver cylinder. The cylinder drives the carbon shoe of the receiver to complete the shoe release action. At this time, the second air supply line 7 exhausts air through the reversing slide valve 4.

[0038] When the receiver reset (shoe lifting) action is detected, the reversing slide valve 4 controls the second air supply line 7 to take in air. The second air supply line 7 is connected to the reset air pipe of the receiver cylinder. The cylinder drives the receiver carbon shoe to complete the reset action. At this time, the first air supply line 6 exhausts air through the reversing slide valve 4.

[0039] This testing device effectively simulates the installation state of the current receiver on the bogie. Problematic current receivers can be directly replaced and tested on this device, thus avoiding the occupation of vehicle operating time and maintenance space resources. Moreover, the device can be operated by a single person, reducing steps and increasing efficiency. Furthermore, the device allows for the immediate testing of replaced current receivers, identifying and replacing faulty components for precise repairs, thus avoiding the significant economic waste and losses associated with complete replacements. The use of this testing device greatly improves the quality and efficiency of current receiver testing, effectively ensuring the smooth and safe current receiving performance of the vehicle.

[0040] See Figure 2 As shown:

[0041] Preferably, a first connector 3.2 is fixedly connected to the upper part of the mounting plate 3.1 for attaching to the receiver mounting hole. A connecting hole 3.3 is formed at the lower part of the mounting plate 3.1. A second connector passes through the receiver mounting hole and is threadedly connected to the connecting hole 3.3. Specifically, both the first connector 3.2 and the second connector are bolts, and a connecting nut is welded to the connecting hole 3.3. During testing, the receiver is first mounted on the mounting plate 3.1 through the first connector 3.2. Then, the receiver is threadedly connected to the nut on the connecting hole 3.3 through the second connector, thereby fixing the receiver to the back plate. To ensure connection reliability, after the second connector is connected, a nut can be installed on the first connector 3.2 to further secure the receiver.

[0042] See Figure 1 , 3 As shown:

[0043] Preferably, in order to reduce the weight of the device, the main body 1 is a quadrilateral frame structure, which is welded from 35mm×35mm metal square tubes. The height and width of the main frame are designed according to the installation dimensions of the current receiver to ensure sufficient mechanical strength while supporting the test piece. Four fixing plate 2 are welded to the base of the frame of the main body 1. Fixing holes 2.1 are provided on the fixing plate 2. M8 bolts 2.2 are used through the fixing holes 2.1 to easily fix the frame to a workbench of suitable height. A back plate 3 is welded to the middle of the main body 1.

[0044] See Figure 1 As shown:

[0045] Preferably, the back plate 3 includes two columns fixedly connected to the main body 1 of the device. A crossbeam is fixedly connected to the top of the two columns. A hanging plate 3.1 is fixedly connected to the column below the crossbeam. The two hanging plates 3.1 correspond to the mounting holes of the receiver tooth plate. The spacing between the two first connectors 3.2 on the two hanging plates 3.1 and the hole spacing between the first connector 3.2 and the connecting hole 3.3 on the same hanging plate 3.1 are adapted to the mounting holes on the receiver tooth plate. During operation, the two first connectors 3.2 on the upper part of the hanging plate 3.1 are fixed, which makes it convenient to hang the receiver directly during the test installation. Then, the second connector is inserted into the lower connecting hole 3.3. One person can operate it, reducing the labor intensity during the installation of the receiver.

[0046] A reversing slide valve 4 is welded to the upper part of the crossbeam of the back plate 3. The reversing slide valve 4 has an operating handle and clockwise and counterclockwise limit stops. The reversing slide valve 4 has a second air supply pipe 7 exhaust hole and a first air supply pipe 6 exhaust hole. The air inlet of the reversing slide valve 4 is connected to the main air supply pipe 5 through a hose clamp. The end of the main air supply pipe 5 is fixed to a quick connector through a hose clamp. The quick connector is connected to the air source pipe.

[0047] The air outlet of the reversing slide valve 4 is equipped with a first air supply pipe 6 and a second air supply pipe 7. The first air supply pipe 6 and the second air supply pipe 7 are connected to the air supply pipe of the receiver through a standard connector.

[0048] See Figure 1 As shown:

[0049] Preferably, the duct assembly also includes a pressure gauge 8. Pressure gauges 8 are installed on both the first air supply duct 6 and the second air supply duct 7. The pressure gauge 8 is fixed to the top of the back plate 3. The ends of the first air supply duct 6 and the second air supply duct 7 are connected to the air duct of the receiver cylinder through connectors. In this structure, the pressure gauge 8 detects the pressure when the first air supply duct 6 and the second air supply duct 7 supply air, ensuring that the air pressure of the receiver cylinder meets the technical requirements.

[0050] In the above technical solution, the method of using the cylinder-type current collector carbon slipper action performance testing device provided by this utility model is as follows:

[0051] Step 1: Fix the current collector:

[0052] First, hang the main body of the current receiver onto the first connector 3.2. This reduces labor intensity and can be done by one person. Then tighten it with a nut. Next, tighten the second connector with the nut in the connection hole 3.3. Alternatively, after hanging the current receiver, tighten the second connector first, and then tighten the nut on the first connector 3.2.

[0053] Step 2: Connect the air duct:

[0054] The connectors are installed at the ends of the first air supply line 6 and the second air supply line 7. The quick connector on the main air supply line 5 is connected to the external air source line.

[0055] Step 3: Adjust the air pressure:

[0056] Turn on the air source switch and adjust the pressure regulating knob to adjust the air pressure to the specified air pressure of 6 Bar required by the receiver, in order to prepare for the next step of the receiver cylinder test.

[0057] Step 4: Manual inspection:

[0058] Manually check whether the up-and-down movement of components such as the current-collecting shoe and spring is normal, and then manually remove the shoe using the insulated handle to check whether each component is normal.

[0059] Step 5: Pneumatic check:

[0060] After manual inspection, operate the reversing slide valve handle to charge and ventilate. At this time, the first air supply line 6 is connected to the shoe removal air pipe of the receiver cylinder, and the second air supply line 7 is connected to the reset air pipe of the receiver cylinder. When the reversing slide valve 4 is rotated clockwise to the clockwise limit stop, the main air supply line 5 is connected to the second air supply line 7. At this time, the carbon slipper of the receiver is in the reset state. When the slide valve 4 is rotated counterclockwise to the counterclockwise limit stop, the main air supply line 5 is connected to the first air supply line 6. At this time, the carbon slipper of the receiver is in the shoe removal state. When the manual reversing slide valve 4 is rotated to the middle position of the left and right stops, the first air supply line 6 and the second air supply line 7 are connected to the atmosphere through the exhaust hole on the slide valve 4. At the same time, the main air supply line 5 is closed. During pneumatic inspection, perform pneumatic shoe removal and reset operations on the receiver to check whether the moving parts, carbon slipper, and cylinder movements are stuck or abnormal when the upper and lower air ports of the cylinder are charged and ventilated respectively.

[0061] Step 6: Test again after replacing the part;

[0062] If a faulty component is found, replace it promptly, and then test it again.

[0063] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A device for testing the action performance of a cylinder-type current collector carbon slipper, characterized in that, include: Device body (1); A backplate (3) extends vertically upward and is fixedly connected to the middle of the main body (1) of the device. A hanging plate (3.1) is fixedly connected to a detection area A formed on one side of the backplate (3). The hanging plate (3.1) is connected to the current receiver mounting hole through a connector, so that the current receiver can be suspended in the detection area A to complete the unslip-up and repositioning actions; and The duct assembly includes a reversing slide valve (4) fixed to the top of the back plate (3), a main air supply line (5) communicating with the air inlet of the reversing slide valve (4), and a first air supply line (6) and a second air supply line (7) connected to the air outlet of the reversing slide valve (4). The first air supply duct (6) is connected to the boot removal duct of the receiver cylinder; The second air supply duct (7) is connected to the reset duct of the receiver cylinder; The end of the main air supply line (5) away from the reversing slide valve (4) is connected to the air source.

2. The cylinder-type current collector carbon slipper action performance testing device according to claim 1, characterized in that; The upper part of the mounting plate (3.1) is fixedly connected to a first connector (3.2) for attaching to the current receiver mounting hole. The lower part of the mounting plate (3.1) has a connecting hole (3.3). The second connector passes through the current receiver mounting hole and is threadedly connected to the connecting hole (3.3).

3. The cylinder-type current collector carbon slipper action performance testing device according to claim 2, characterized in that... ； Both the first connector (3.2) and the second connector are bolts, and the connecting hole (3.3) is welded with a connecting nut.

4. The cylinder-type current collector carbon slipper action performance testing device according to claim 1, characterized in that... ； The main body (1) of the device is a quadrilateral frame structure, and a positioning plate (2) is fixedly connected to the internal corner position. The positioning plate (2) has a positioning hole (2.1) connected to the workbench. The positioning hole (2.1) is fixedly connected to the workbench by a positioning bolt (2.2).

5. The cylinder-type current collector carbon slipper action performance testing device according to claim 4, characterized in that; The back plate (3) includes two columns fixedly connected to the main body (1) of the device. A crossbeam is fixedly connected to the top of the two columns, and the hanging plate (3.1) is fixedly connected to the column at the lower part of the crossbeam.

6. The device for testing the action performance of a cylinder-type current collector carbon slipper according to claim 1, characterized in that... ； The reversing slide valve (4) is a three-position four-way manual reversing slide valve (4).

7. The cylinder-type current collector carbon slipper action performance testing device according to claim 1, characterized in that; The duct assembly also includes a pressure gauge (8). The first air supply duct (6) and the second air supply duct (7) are both equipped with pressure gauges (8). The pressure gauge (8) is fixedly connected to the top of the back plate (3). The ends of the first air supply duct (6) and the second air supply duct (7) are connected to the receiver cylinder duct through connectors.

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