Abrasion test bench for shaft end grounding device

Abstract

The utility model provides an abrasion test bench for a shaft end grounding device, relates to the technical field of abrasion test benches, and aims to solve the problems that an existing test bench is lack of a collecting structure, carbon powder falls off from a carbon brush due to friction during a test, and if the carbon powder cannot be collected in time and falls on the ground, the carbon powder is difficult to clean. The mounting part comprises a base and an insertion hole, and a rectangular groove is formed in the base; the insertion holes are symmetrically formed in the two ends of the rear side of the base. An inserting part is arranged on the mounting part, a fixing plate of the inserting part is arranged at the upper end of the rear side of the base, and a bottom rod at the outer end of the fixing plate is matched with the inserting hole in an inserting mode. When the shaft end grounding device is used, a carbon brush on the shaft end grounding device extends into the circular through groove in the fixed plate, and the movable plate is adjusted, so that the friction disc also extends into the circular through groove in the fixed plate, and when carbon powder falls off from the carbon brush due to friction, the carbon powder can be automatically collected into the collecting groove in the fixed plate through the leaking hole, and manual cleaning is not needed.

Description

Technical Field

[0001] The utility model belongs to the technical field of wear test benches, and more specifically relates to a wear test bench for a shaft end grounding device. Background Art

[0002] In order to simulate the wear of the friction disk and carbon brush of the shaft end grounding device and the attenuation of the spring force, it is necessary to use an experiment to carry out simulation detection. In this way, the test bench can detect the attenuation of the spring force in the grounding device. Based on the existing technology, it is found that the existing wear test bench has some shortcomings. First, the test bench lacks a collection structure. During the test, carbon powder will fall from the carbon brush due to friction. If it cannot be collected in time, it will be difficult to clean it after falling to the ground; secondly, when performing friction detection on the carbon brush, only the friction degree of the carbon brush and the spring attenuation degree can be detected, and the corresponding mileage cannot be specifically reflected. Utility Model Content

[0003] In response to the above-mentioned technical problems, the utility model relates to a shaft end grounding device wear test bench to solve some shortcomings of the existing wear test bench. First, the test bench lacks a collection structure. During the test, carbon powder will fall from the carbon brush due to friction. If it cannot be collected in time, it will be difficult to clean it after falling to the ground; secondly, when the carbon brush is subjected to friction detection, only the friction degree of the carbon brush and the spring attenuation degree can be detected, which cannot specifically reflect the corresponding mileage problem.

[0004] In a first aspect, the present disclosure provides a shaft end grounding device wear test bench, which is achieved by the following specific technical means:

[0005] A shaft end grounding device wear test bench, comprising:

[0006] Mounting component; the mounting component includes a base and a socket, and a rectangular groove is provided inside the base; the sockets are symmetrically provided at both ends of the rear side of the base; the mounting component is provided with a plug-in component, the fixed plate of the plug-in component is provided at the upper end of the rear side of the base, and the bottom rod at the outer end of the fixed plate is plugged into the socket; the mounting component is provided with a movable component, the rotating part of the movable part is rotatably installed on the movable plate inside the base, and the rotating part is connected to the motor on the movable plate.

[0007] According to some schemes of the present invention, the installation components include: a control screw and a movable plate; the control screw is rotatably installed in a rectangular groove in the base; the movable plate is slidably installed in the rectangular groove in the base, and the movable plate is threadedly connected to the control screw, and the motor on the movable plate is connected to a lap speed meter.

[0008] According to some solutions of the present invention, the plug-in component includes: a fixing plate and a bottom rod; a circular through groove is opened in the middle of the fixing plate, and a grounding device can be installed on the rear side of the fixing plate; the bottom rod is fixedly installed on both sides of the bottom of the fixing plate.

[0009] According to some schemes of the present invention, the plug-in components include: a collection groove, a leakage hole and a sealing strip; the collection groove is opened on the inner side of the fixed plate, and the top of the collection groove passes through the fixed plate through a rectangular groove; the leakage holes are equidistantly opened in the circular through groove in the fixed plate, and the leakage holes are connected to the collection groove; the sealing strip is horizontally inserted into the inner side of the top of the fixed plate, and the sealing strip seals the top of the collection groove.

[0010] According to some schemes of the present utility model, the movable parts include: a rotating part, a tightening bolt and a pressure sensor; a circular groove is opened inside the rotating part; the tightening bolt is threadedly installed on the side end of the rotating part, and the end of the tightening bolt extends into the circular groove inside the rotating part; the pressure sensor is arranged on both sides of the outside of the rotating part.

[0011] According to some solutions of the present invention, the movable part includes: a connecting piece and a docking groove; the connecting piece is inserted into the circular groove in the rotating piece, and the outside of the connecting piece contacts the end of the tightening bolt; the docking groove is opened inside the connecting piece.

[0012] According to some schemes of the present utility model, the movable parts include: a friction disc, a nut and a fixing bolt; the friction disc is located on the outside of the connecting piece, and both sides of the friction disc are in contact with the pressure sensor; the nut is inserted into the inside of the friction disc; the fixing bolt is inserted into the inside of the friction disc, and the fixing bolt is threadedly connected to the nut, and the rectangular structure at the outer end of the fixing bolt is inserted into the docking groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In this device, a plug-in component is provided, a collection groove is opened inside the fixed plate, and the collection groove is connected to the circular groove in the fixed plate through a leak hole. When in use, the carbon brush on the shaft end grounding device is extended into the circular groove in the fixed plate, and the movable plate is adjusted so that the friction disk is also extended into the circular groove in the fixed plate. When the carbon brush drops carbon powder due to friction, it will be automatically collected into the collection groove in the fixed plate through the leak hole, and no manual cleaning is required.

[0015] 2. In this device, movable parts are set up, and the rotating part is rotatably installed on the movable plate. A speedometer is connected to the motor connected to the rotating part, and a pressure sensor is installed on the rotating part, and the friction disk is made to contact the pressure sensor. In this way, when the motor drives the rotating part to rotate, the number of revolutions of the friction disk and the pressure change sensed by the pressure sensor can be recorded to simulate the vehicle speed and record it, simulating the actual mileage of the vehicle. The change in contact pressure can indirectly measure the attenuation of the spring force inside the grounding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Through the following drawings, those skilled in the art will have a better understanding of the present disclosure and will be able to more clearly reflect the advantages of the present disclosure. The drawings described here are only for illustrative purposes of selected embodiments, not all possible implementation methods and are not intended to limit the scope of the present disclosure.

[0017] In the attached figure:

[0018] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the disassembly structure of the utility model.

[0020] Figure 3 It is a schematic cross-sectional structural diagram of the plug-in component of the present utility model.

[0021] Figure 4 It is a schematic diagram of the partial cross-section structure of the utility model.

[0022] Figure 5 It is a partial cross-sectional structural diagram of the movable parts of the utility model.

[0023] Figure 6 It is a schematic diagram of the exploded structure of the movable parts of the utility model.

[0024] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0025] 1. Install components;

[0026] 101, base; 1011, jack;

[0027] 102. Control screw; 103. Moving plate;

[0028] 2. Plug-in components;

[0029] 201, fixed plate; 2011, bottom bar;

[0030] 202, collecting tank; 2021, leak hole; 2022, sealing strip;

[0031] 3. Moving parts;

[0032] 301, rotating part; 3011, tightening bolt; 3012, pressure sensor;

[0033] 302, connector; 3021, docking groove;

[0034] 303, friction plate; 3031, nut; 3032, fixing bolt. DETAILED DESCRIPTION

[0035] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Example 1: As shown in the attached Figure 1 To the attached Figure 6 As shown:

[0037] The utility model provides a shaft end grounding device wear test bench, comprising: a mounting component 1; the mounting component 1 comprises a base 101 and a socket 1011, a rectangular groove is provided inside the base 101; the sockets 1011 are symmetrically provided at both ends of the rear side of the base 101; a plug-in component 2 is provided on the mounting component 1, a fixed plate 201 of the plug-in component 2 is provided at the upper end of the rear side of the base 101, and a bottom rod 2011 at the outer end of the fixed plate 201 is plugged into and matched with the socket 1011; a movable component 3 is provided on the mounting component 1, a rotating member 301 of the movable member 3 is rotatably mounted on a movable plate 103 inside the base 101, and the rotating member 301 is connected to a motor on the movable plate 103.

[0038] In the embodiment of the present disclosure, Figure 1 As shown, the mounting component 1 includes: a control screw 102 and a movable plate 103; the control screw 102 is rotatably mounted in a rectangular groove in the base 101; the movable plate 103 is slidably mounted in the rectangular groove in the base 101, and the movable plate 103 is threadedly connected to the control screw 102, and the motor on the movable plate 103 is connected to a lap speed meter.

[0039] A control screw 102 is provided, and the distance between the movable plate 103 and the fixed plate 201 can be adjusted by rotating the control screw 102 ; a rectangular movable plate 103 is provided, and the movable component 3 can be movably mounted on the base 101 through the movable plate 103 .

[0040] As the second embodiment of the present application, based on the first embodiment, Figure 3As shown, the plug-in component 2 includes: a fixed plate 201 and a bottom rod 2011; a circular through groove is opened in the middle position of the fixed plate 201, and a grounding device can be installed on the rear side of the fixed plate 201; the bottom rod 2011 is fixedly installed on both sides of the bottom of the fixed plate 201; a collecting groove 202, a leakage hole 2021 and a sealing strip 2022; the collecting groove 202 is opened on the inner side of the fixed plate 201, and the top of the collecting groove 202 passes through the fixed plate 201 through a rectangular groove; the leakage holes 2021 are equidistantly opened in the circular through groove in the fixed plate 201, and the leakage holes 2021 are connected to the collecting groove 202; the sealing strip 2022 is horizontally inserted into the inner side of the top of the fixed plate 201, and the sealing strip 2022 seals the top of the collecting groove 202.

[0041] A rectangular fixing plate 201 is provided, and the grounding device can be installed on the base 101 through the fixing plate 201; a cylindrical bottom rod 2011 is provided, and the fixing plate 201 can be fixed on the base 101 by inserting the bottom rod 2011 into the socket 1011; a collecting groove 202 is provided, and the carbon powder dropped from the carbon brush can be collected; a circular leakage hole 2021 is provided, and the carbon powder can be collected into the collecting groove 202 through the leakage hole 2021; a rectangular sealing strip 2022 is provided, and the top of the collecting groove 202 can be sealed by inserting the sealing strip 2022 into the top of the collecting groove 202.

[0042] As the third embodiment of the present application, based on the first embodiment, Figures 4 to 6 As shown, the movable part 3 includes: a rotating part 301, a tightening bolt 3011 and a pressure sensor 3012; a circular groove is opened inside the rotating part 301; the tightening bolt 3011 is threadedly installed on the side end of the rotating part 301, and the end of the tightening bolt 3011 extends into the circular groove in the rotating part 301; the pressure sensor 3012 is arranged on both sides of the outside of the rotating part 301; a connecting part 302 and a docking groove 3021; the connecting part 302 is inserted into the circular groove in the rotating part 301, and the outside of the connecting part 302 is connected to the tightening bolt 3011 The end of the connector 302 is in contact with each other; the docking groove 3021 is opened inside the connector 302; the friction disc 303, the nut 3031 and the fixing bolt 3032; the friction disc 303 is located outside the connector 302, and both sides of the friction disc 303 are in contact with the pressure sensor 3012; the nut 3031 is inserted into the inside of the friction disc 303; the fixing bolt 3032 is inserted into the inside of the friction disc 303, and the fixing bolt 3032 is threadedly connected to the nut 3031, and the rectangular structure at the outer end of the fixing bolt 3032 is inserted into the docking groove 3021.

[0043] A cylindrical rotating member 301 is provided, and a connecting member 302 for installing a friction disc 303 can be inserted inside the rotating member 301; a tightening bolt 3011 is provided, and by pressing the tightening bolt 3011 against the connecting member 302, the connecting member 302 can be fixed inside the rotating member 301; a pressure sensor 3012 is provided, and the attenuation of the spring inside the grounding device can be judged by observing the value of the pressure sensor 3012; a cylindrical connecting member 302 is provided, and the friction disc 303 can be fixed to the rotating member 301 through the connecting member 302 On; a rectangular docking groove 3021 is provided, and the friction disc 303 can be fixed on the connecting member 302 by plugging the docking groove 3021 with the rectangular structure at the outer end of the fixing bolt 3032; a nut 3031 is provided, and the fixing bolt 3032 can be matched with the nut 3031 so that the fixing bolt 3032 can be fixed to the friction disc 303; a fixing bolt 3032 is provided, and the friction disc 303 can be fixed on the connecting member 302 by inserting the rectangular structure at the outer end of the fixing bolt 3032 into the docking groove 3021.

[0044] The specific usage and function of this embodiment are as follows:

[0045] In the present utility model, Figure 1-6 As shown, the fixed plate 201 is plugged into the base 101 through the bottom rod 2011, and the shaft end grounding device is installed on the fixed plate 201 so that the carbon brush on the grounding device extends into the circular groove with the leak hole 2021 inside the fixed plate 201. Then, the rotating part 301 connected to the motor is rotatably installed on the movable plate 103 of the base 101, and the connecting part 302 is inserted into the rotating part 301. Then, by tightening the tightening bolt 3011, the connecting part 302 is fixed inside the rotating part 301. The fixing bolt 3032 is passed through the friction disk 303 and is threadedly connected to the nut 3031. The rectangular structure outside the fixing bolt 3032 is inserted into the docking groove in the connecting part 302. In 3021, the friction disc 303 is pressed against the pressure sensors 3012 on both sides of the rotating part 301, and then the control screw 102 is rotated to make the movable plate 103 drive the friction disc 303 to move through the rotating part 301, and the friction disc 303 is extended into the circular through groove in the fixed plate 201, and the friction disc 303 is brought into contact with the carbon brush on the shaft end grounding device, and the motor is started to rotate the friction disc 303. While the friction disc 303 is rotating, the speed of the pressure sensor 3012 and the motor is observed, the number of rotations is recorded, and the change in contact pressure is sensed, so as to simulate the vehicle speed and record it, simulating the actual operation of the vehicle. The change in contact pressure can indirectly measure the attenuation of the spring force inside the grounding device.

[0046] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. Modifications and variations are possible in light of the above disclosure or may be acquired from practice of the embodiments.

[0047] Even though particular combinations of features are recited in the claims or disclosed in the specification, these combinations are not intended to limit the disclosure of the various embodiments. In fact, many of these features can be combined in ways not specifically recited in the claims and / or disclosed in the specification. Although each dependent claim listed below may directly depend on only one claim, the disclosure of the various embodiments includes each dependent claim in combination with every other claim in the claim set.

Claims

1. A shaft end grounding device wear test bench, comprising: The mounting component (1) comprises a base (101) and a socket (1011), wherein a rectangular groove is provided inside the base (101); the sockets (1011) are symmetrically provided at both ends of the rear side of the base (101); the mounting component (1) is provided with a plug-in component (2), a fixed plate (201) of the plug-in component (2) is provided at the upper end of the rear side of the base (101), and a bottom rod (2011) at the outer end of the fixed plate (201) is plugged into and matched with the socket (1011); the mounting component (1) is provided with a movable component (3), a rotating member (301) of the movable member (3) is rotatably mounted on a movable plate (103) inside the base (101), and the rotating member (301) is connected to a motor on the movable plate (103).

2. The shaft end grounding device wear test bench according to claim 1, characterized in that: The mounting component (1) comprises: a control screw (102) and a movable plate (103); the control screw (102) is rotatably mounted in a rectangular groove in a base (101); the movable plate (103) is slidably mounted in the rectangular groove in the base (101), and the movable plate (103) is threadedly connected to the control screw (102), and a motor on the movable plate (103) is connected to a lap speed measuring device.

3. The shaft end grounding device wear test bench according to claim 1, characterized in that: The plug-in component (2) comprises: a fixing plate (201) and a bottom rod (2011); a circular through slot is provided in the middle of the fixing plate (201); a grounding device can be installed on the rear side of the fixing plate (201); and the bottom rod (2011) is fixedly mounted on both sides of the bottom of the fixing plate (201).

4. The shaft end grounding device wear test bench according to claim 3, characterized in that: The plug-in component (2) comprises: a collecting groove (202), a leakage hole (2021) and a sealing strip (2022); the collecting groove (202) is provided on the inner side of the fixed plate (201), and the top of the collecting groove (202) passes through the fixed plate (201) through a rectangular groove; the leakage holes (2021) are provided in circular through grooves in the fixed plate (201) at equal intervals, and the leakage holes (2021) are connected to the collecting groove (202); the sealing strip (2022) is plugged into the inner side of the top of the fixed plate (201) laterally, and the sealing strip (2022) seals the top of the collecting groove (202).

5. The shaft end grounding device wear test bench according to claim 1, characterized in that: The movable component (3) comprises: a rotating member (301), a tightening bolt (3011) and a pressure sensor (3012); a circular groove is provided inside the rotating member (301); the tightening bolt (3011) is threadedly mounted on a side end of the rotating member (301), and the end of the tightening bolt (3011) extends into the circular groove inside the rotating member (301); and the pressure sensor (3012) is provided on both sides of the outside of the rotating member (301).

6. The shaft end grounding device wear test bench according to claim 5, characterized in that: The movable component (3) comprises: a connecting piece (302) and a docking groove (3021); the connecting piece (302) is inserted into the circular groove in the rotating piece (301), and the outside of the connecting piece (302) contacts the end of the tightening bolt (3011); the docking groove (3021) is opened inside the connecting piece (302).

7. The shaft end grounding device wear test bench according to claim 6, characterized in that: The movable component (3) comprises: a friction disc (303), a nut (3031) and a fixing bolt (3032); the friction disc (303) is located outside the connecting member (302), and both sides of the friction disc (303) are in contact with the pressure sensor (3012); the nut (3031) is inserted into the interior of the friction disc (303); the fixing bolt (3032) is inserted into the interior of the friction disc (303), and the fixing bolt (3032) is threadedly connected to the nut (3031), and the rectangular structure at the outer end of the fixing bolt (3032) is inserted into the docking groove (3021).

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