Grinding device for friction coupler of switch machine

Abstract

The utility model discloses a grinding device for a friction coupler of a point switch. The grinding device comprises a rack, and an electric cabinet, a protective cover, a locking mechanism, a warning lamp, a scram button, a power switch, a man-machine conversation touch screen, a test component and a control circuit which are arranged on the rack, the power switch controls power supply; the man-machine conversation touch screen is used for setting parameters and monitoring a running state; the warning lamp is used for indicating the operation state; the control circuit is arranged in the electric cabinet, and the power switch, the man-machine conversation touch screen, the warning lamp and the test component are electrically connected with the control circuit; the testing part is used for grinding the to-be-tested piece; the protective cover is fixedly connected with the machine frame in a sliding mode and can cover or expose the test part, at least one transparent observation window is arranged on the protective cover, the protective cover and the machine frame are locked through the locking mechanism, and the scram button is pressed down, so that the grinding device for the friction coupler of the point switch stops running. The device is simple in structure, convenient to operate, good in protection performance and not prone to hurting workers.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch machine friction plate grinding, specifically relates to a switch machine friction coupling grinding device. BACKGROUND

[0002] At present, the switch machine is an important signal basic equipment, is used for reliably switching turnout position, changes turnout open direction and locks up turnout point rail, simultaneously reflects turnout position, it can effectively guarantee the traffic safety, improves transportation efficiency and improves the labor intensity of the traffic personnel, S700K is one kind of switch machine, and the friction coupling as the core part of the switch machine plays an important role, and the friction plate is the wearing part in the friction coupling, along with the increase of switch machine conversion times, the friction surface of the friction plate becomes smooth and appears the phenomenon of material aging, leads to the friction of the switch machine to drop.

[0003] The traditional switch machine friction coupling grinding device can usually only install one component for testing, which limits the grinding efficiency and flexibility during maintenance and maintenance, the grinding device capable of testing two or more components has a complex structure and is inconvenient to operate. The operator often needs to spend more time and effort to complete the testing and maintenance work, the maintenance efficiency is low, and the maintenance cost and workload are increased. In addition, since real-time monitoring cannot be performed, the operator often needs to wait until the switch machine fails to perform maintenance, which can cause unnecessary downtime and loss of the transportation system. And there is insufficient protection in the grinding process, which can easily cause personal injury to the operator.

[0004] Therefore, a new technology is needed to solve the problems of inconvenient operation and insufficient protection of the grinding device in the prior art. UTILITY MODEL CONTENTS

[0005] To solve the above problems in the prior art, the utility model provides a switch machine friction coupling grinding device, which has the effects of convenient operation and good protection.

[0006] The utility model adopts the following technical solutions:

[0007] A switch machine friction coupling grinding device, comprising a rack and an electric control box, a protective cover, a locking mechanism, a warning light, an emergency stop button, a power switch, a man-machine dialogue touch screen, a test component and a control circuit installed on the rack;

[0008] The power switch is used for controlling power supply;

[0009] The man-machine conversation touch screen is used for setting parameters and monitoring running states;

[0010] The warning light is used for indicating running states;

[0011] The control circuit is arranged in the electric control box, and the power switch, the man-machine conversation touch screen, the warning light, the test components and the control circuit are electrically connected;

[0012] The test components are used for grinding the switch machine friction couplings, and the test platform for mounting the test components is arranged on the rack;

[0013] The protective cover is slidably fixedly connected with the rack and located above the test platform, the protective cover can cover the test components or expose the test components when sliding, at least one transparent observation window is arranged on the protective cover, and the protective cover can be locked on the rack through the locking mechanism;

[0014] When the emergency stop button is pressed, the switch machine friction coupling grinding device stops running.

[0015] As further improvement of the technical scheme of the utility model, two parallel slide rails are further arranged on the rack, the test platform is located between the two slide rails, and the bottom of the protective cover is slidably connected with the rack through the two slide rails.

[0016] As further improvement of the technical scheme of the utility model, the power switch, the man-machine conversation touch screen and the warning light are arranged on the electric control box.

[0017] As further improvement of the technical scheme of the utility model, the test components include two groups of test assemblies which are symmetrically arranged and spaced apart, and when the protective cover is locked on the rack, the two test assemblies are located in the internal space of the protective cover.

[0018] Each test component includes a motor, a secondary gear set and a transmission shaft, the motor is provided with an output shaft, the output shaft is in transmission connection with the transmission shaft through the secondary gear set, the transmission shaft is used for mounting a piece to be ground, and the piece to be ground is ground when the transmission shaft rotates.

[0019] As further improvement of the technical scheme of the utility model, the secondary gear set includes a first gear and a second gear, the first gear is fixed on the transmission shaft, the second gear is fixed on the output shaft, the second gear is in engagement with the first gear and located below the first gear.

[0020] As a further improvement of the utility model technical scheme, the protective cover is further provided with a handle.

[0021] As a further improvement of the utility model technical scheme, the protective cover comprises a top plate and side plates, the side plates are annular and closely connected with the top plate edge at the upper end, the handle and each observation window are located on the top plate.

[0022] The side plates comprise a first plate body, a second plate body, a third plate body and a fourth plate body connected in sequence, the first plate body is located between the two slide rails and is provided with a notch at the lower end, the notch is used for the test component to pass through, the bottom of the second plate body and the fourth plate body is respectively slidably connected with the two slide rails, and the bottom of the third plate body can be locked with the rack through the locking mechanism.

[0023] As a further improvement of the utility model technical scheme, the electric control box is located at the upper end of the rack and adjacent to the test platform, and the first plate body is located on the side close to the electric control box.

[0024] As a further improvement of the utility model technical scheme, the electric control box comprises a box body, the control circuit is arranged at the upper end of the rack, the box body is downwardly opened and can be covered on the control circuit, and the bottom end of the box body is hingedly connected with the rack on the side away from the protective cover.

[0025] As a further improvement of the utility model technical scheme, the locking mechanism comprises an electromagnetic lock and a door closing detection sensor, the electromagnetic lock and the door closing detection sensor are arranged between the two slide rails and on the side away from the electric control box.

[0026] When the device starts to work, the door closing detection sensor can monitor the position change of the protective cover and send a signal to the control circuit, the control circuit can send a signal to close the electromagnetic lock to the electromagnetic lock, and the electromagnetic lock can be locked when it is closed.

[0027] Compared with the prior art, the utility model has the advantages that:

[0028] (1) The switching machine friction coupler grinding device is provided with multiple reliable safety protection facilities, including an emergency stop button, a protective cover, an electromagnetic lock and a door closing detection sensor. These safety devices can ensure that the operator can quickly stop the operation of the device when an emergency occurs, effectively prevent accidents, and provide a solid guarantee for the life safety of the operator and the normal operation of the device.

[0029] (2) The structure design of the switch machine friction coupling grinder device of the scheme is simple and clear, and the operation is simple and easy to operate. In the use process, the protective cover can fully and effectively cover the test component, and an observation window is specially arranged on the protective cover. The operating personnel can clearly observe the running state of the internal test component through the observation window, so that the operating personnel can not only ensure their own safety, but also effectively observe the running state of the equipment, and then more accurately regulate and control the running state of the equipment according to the observed situation. This significantly improves the convenience and safety of operation, effectively avoids the harm of the test component or the measured part to the operating personnel, and fully protects the personal safety of the operating personnel.

[0030] (3) The switch machine friction coupling grinder device of the scheme has a very humanized operation interface. Through the man-machine dialogue touch screen, the operating personnel can conveniently interact with the equipment, easily set parameters and monitor the running state in real time. This not only greatly improves the convenience of operation, but also significantly improves the work efficiency, so that the whole operation process is more smooth and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0031] The technology of the utility model will be further described in detail below in combination with the drawings and specific embodiments:

[0032] Figure 1 is the overall structure schematic view when the protective cover and the electric control box of the utility model are in the open state;

[0033] Figure 2 is the overall structure schematic view when the protective cover of the utility model is in the closed state;

[0034] Figure 3 is the overall structure schematic view when the protective cover of the utility model is in the open state;

[0035] Figure 4 is the overall structure top view of the utility model;

[0036] Figure 5 is the test component structure schematic view;

[0037] Figure 6 is the connection structure schematic view of the electromagnetic lock, the sensor and the slide rail;

[0038] Figure 7 is the circuit diagram of the utility model.

[0039] Reference signs:

[0040] 1 - emergency stop button;

[0041] 2 - power switch;

[0042] 3 - man-machine dialogue touch screen;

[0043] 4-warn light; 41-red light; 42-green light;

[0044] 5-electric control box;

[0045] 6-handle;

[0046] 7-observation window;

[0047] 8-protective cover;

[0048] 9-slideway;

[0049] 10-frame;

[0050] 11-test platform; 1101-secondary gear set; 1102-protective motor; 1103-protective frame; 1104-coupler; 1105-fixing frame;

[0051] 12-control circuit;

[0052] 13-electromagnetic lock;

[0053] 14-sensor;

[0054] 15-alternating current power supply;

[0055] 16-direct current power supply;

[0056] 17-leakage protection switch. DETAILED DESCRIPTION

[0057] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effects of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The same reference signs used in the drawings indicate the same or similar parts.

[0058] It should be noted that, without special description, when a certain feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right and other descriptions used in the present application are only relative to the mutual position relationship of the components of the present application in the drawings.

[0059] Reference Figures 1 to 7The application discloses a kind of switch machine friction couplings grinding device, can realize S700K switch machine friction couplings offline grinding, including rack 10 and installation on the rack 10 electric control box 5, protective cover 8, locking mechanism, warning light 4, emergency stop button 1, power switch 2, man-machine dialogue touch screen 3, test component and control circuit 12, man-machine dialogue touch screen 3 can be touched, can realize person-machine interaction, facilitate and equipment are interacted, parameter setting, monitoring operating state.Power switch 2 is used to control power supply, to realize to test component and other low-voltage circuit element power supply, power switch 2 is equipped with 220V AC power supply and 24V DC power supply, power switch 2 can be compatible with different power types, can satisfy the power supply demand of different components.Man-machine dialogue touch screen 3 is used to set parameter and monitor operating state.Warning light 4 is used to indicate operating state or warn operator possible dangerous situation, and different color indicating lights in warning light 4 can be set to light up, to realize the indication or warning of different operating states.Control circuit 12 is arranged in the electric control box 5, and power switch 2, man-machine dialogue touch screen 3, warning light 4, test component and control circuit 12 are electrically connected.Test component is used to grind switch machine friction couplings 1104, and test platform 11 for installing test component is arranged on the rack 10.

[0060] Protective cover 8 and rack 10 are slidably fixedly connected and located above test platform 11, and protective cover 8 can be covered above test component or expose test component when sliding, so as to protect operator from risk that may be generated when equipment is running, such as debris splashing or other dangerous substances.At least one transparent observation window 7 is arranged on protective cover 8, wherein each observation window 7 can be corresponded to each test component according to actual situation, and each observation window 7 can be located above each test component when protective cover 8 is locked with rack 10 by locking mechanism.Protective cover 8 can be locked on rack 10 by locking mechanism.Emegency stop button 1 is pressed, and switch machine friction couplings 1104 grinding device stops running, which can immediately stop the operation of equipment when emergency occurs, to ensure the safety of operator and equipment.

[0061] The switch machine friction coupling 1104 grinding device of the scheme has simple structure and is convenient to operate. When in use, the protective cover 8 can cover the test component, so as to avoid that the test component or the test piece hurts the operator and protects the safety of the operator. The handle 6 capable of pulling the protective cover 8 to slide is located on the protective cover 8. The operator can adjust the position of the protective cover 8 by manually pulling the handle 6 to lock or open the protective cover 8, so that the operator can conveniently control the protective cover 8 to cover or expose the test component, so as to maintain, observe or perform other necessary operations. The observation window 7 is arranged on the protective cover 8. The operator can observe the running state of the test component inside through the observation window 7, so that the operator can effectively observe the running state of the equipment under the condition of ensuring safety, better regulate and control the running state of the equipment according to the observed situation, and thus improve the convenience and safety of operation. Two or more observation windows 7 can be arranged at intervals according to actual conditions, so as to more comprehensively observe the running state of the equipment. The switch machine friction coupling can be ground under the premise of multiple safety protection mechanisms.

[0062] Specifically, the two parallel slide rails 9 are arranged on the rack 10, the test platform 11 is located between the two slide rails 9, and the bottom of the protective cover 8 is slidably connected to the rack 10 through the two slide rails 9. The slide rails 9 are straight slide rails 9, and the protective cover 8 can move linearly along the slide rails 9. The operator can easily adjust the position of the protective cover 8 to adapt to different operation requirements. At the same time, the straight slide rails 9 ensure the smooth movement of the protective cover 8.

[0063] Specifically, the power switch 2, the man-machine dialogue touch screen 3 and the warning light 4 are arranged on the control box 5 together, and the layout is reasonable, which is convenient for the operator to manage and control the power supply of the whole device. The power switch 2, the man-machine dialogue touch screen 3 and the warning light 4 are electrically interconnected with the control circuit 12 and connected and controlled through the control circuit 12. The electrical connection is established between these electrical equipment and the control circuit 12, so that they can communicate with each other and be controlled. Through the management of the control circuit 12, the operator can control the power switch 2, the man-machine dialogue touch screen 3 and the warning light 4 and other devices, so as to realize the operation, monitoring and protection functions of the device. The operator can conveniently access and operate the device through the man-machine dialogue touch screen 3 and the control box 5, without being dispersed in different parts of the device for operation, which improves the convenience and efficiency of operation. At the same time, the centralized arrangement also helps to reduce the time and cost of maintenance and fault elimination.

[0064] Specifically, the test component includes two groups of test assemblies arranged symmetrically and spaced apart, both of the test assemblies are located in the internal space of the protective cover 8 when the protective cover 8 is locked on the rack 10, and the symmetrical arrangement of the two test assemblies can keep the stability of the device and enable the two test components to be installed and tested simultaneously. Meanwhile, the test component can be placed in the internal space of the protective cover 8, so that the test component can operate in a safe environment, which can avoid personal injury to the operator during the operation of the device and ensure the safety of the operator.

[0065] Specifically, the test assembly is used to perform grinding on the friction clutch 1104. Each test assembly includes a protective motor 1102 and a two-stage gear set 1101 for performing test and adjustment on the friction clutch. The protective motor 1102 is an electric motor that provides power for the two-stage gear set 1101, and the two-stage gear set 1101 is used to transmit power and control the speed to meet the grinding requirements of the friction clutch 1104. Each test assembly can refer to a conventional grinding assembly. According to the actual grinding test requirements, the test assembly can also be provided with a transmission shaft, the electric motor is provided with an output shaft, the output shaft is in transmission connection with the transmission shaft through the two-stage gear set 1101, and the transmission shaft is used to install the measured component, such as the grinding piece, when the transmission shaft rotates, the grinding piece is ground. The two-stage gear set 1101 includes a first gear and a second gear, the first gear is fixed on the transmission shaft, and the second gear is fixed on the output shaft, the second gear is in meshing with the first gear and located below the first gear.

[0066] Specifically, the test component further includes a fixing support, the fixing support is installed on the test platform 11, and the end of the transmission shaft away from the first gear is rotatably fixed on the fixing support, and the clutch 1104 can be located between the fixing support and the first gear.

[0067] Specifically, the test component further includes a protective support fixed on the test platform 11, and the protective motor 1102 is installed in the protective support. The support is provided with a mounting plate, the mounting plate forms the test platform 11, each protective support is located below the mounting plate, the mounting plate is provided with a through hole corresponding to each test component, the upper end of each protective support is in communication with the corresponding through hole, and each fixing support is installed above the mounting plate.

[0068] Specifically, the protective cover 8 is further provided with a handle 6. The protective cover 8 comprises a top plate and a side plate, the side plate is annular and the upper end is closely connected with the edge of the top plate, and the handle 6 and each observation window 7 are located on the top plate. The side plate comprises a first plate body, a second plate body, a third plate body and a fourth plate body connected in sequence, the first plate body is located between the two slide rails 9 and the lower end is provided with a gap, the gap can pass the test component; the bottom of the second plate and the fourth plate body is respectively slidably connected with the two slide rails 9, and the bottom of the third plate body can be locked with the rack 10 through the locking mechanism. The handle 6 and the observation window 7 are installed on the protective cover 8, and their spatial positions are located directly above the test platform 11. This installation mode enables the operator to conveniently open and close the protective cover 8 and observe the running state of the equipment through the observation window, thereby ensuring the safety and convenience of operation.

[0069] When the protective cover 8 is in the closed state, the two observation windows are symmetrically arranged and can be aligned with the secondary gear set 1101 and the working surface inside the test component, so that the operator can clearly observe the working state of the internal parts of the test component. When the internal parts of the test component start to work, the protective motor 1102 in the motor protective frame 1103 starts to drive the secondary gear set 1101 to rotate. Through the coupling 1104 in the center of the fixed frame 1105, torque is transmitted to generate grinding force for grinding the friction coupling 1104 of the switch machine. At the same time, the warning light 4 detects the current in the control circuit 12, if the current is in the normal working state, the green light is on; if there is an abnormal situation such as short circuit, the red light is on, reminding the operator to pay attention. If the operator needs to stop the operation of the device, he can press the emergency stop button 1 to stop the operation of the device. Through the above settings, the operator can conveniently monitor the working state of the device and take corresponding measures when necessary, thereby ensuring the safety of operation and the normal operation of the device.

[0070] When the protective cover 8 is in the open state, the door closing detection sensor 14 located on the right side of the linear slide rail 9 continuously monitors the position of the protective cover 8. Once it is detected that the protective cover 8 is in the open state, the sensor 14 will immediately send a signal to the control circuit 12. After receiving the signal, the control circuit 12 will control the electromagnetic lock 13 to open, thereby unlocking the protective cover and allowing the operator to perform necessary maintenance, observation or other operations.

[0071] Specifically, the electric control box 5 is located at the upper end of the rack 10 and adjacent to the test platform 11, and the first plate body is located on the side close to the electric control box 5.

[0072] Specifically, the electric control box 5 comprises a box body, the control circuit 12 is arranged at the upper end of the rack 10, the box body is downwardly open and can be covered on the control circuit 12, and the bottom end of the box body is hingedly connected to the rack 10 away from the side of the protective cover 8.

[0073] Specifically, the locking mechanism comprises an electromagnetic lock 13 and a door closing detection sensor 14, both of which are arranged between the two slide rails 9 and away from the side of the electric control box 5. The electric control box 5 can be arranged on the left side of the upper end of the rack 10, the slide rail 9 is arranged on the right side of the upper end of the rack 10, and the electromagnetic lock 13 and the door closing detection sensor 14 are arranged on the right working surface of the linear slide rail 9, which can ensure that the protective cover 8 is firmly locked when the device starts to work, thereby improving the safety of the device. Through the above arrangement, the protective cover 8 can be conveniently opened when the operator needs to maintain, and the protective cover 8 is firmly locked when the device starts to work, thereby improving the safety of the device and the convenience of operation.

[0074] When the device starts to work, the door closing detection sensor 14 can monitor the position change of the protective cover 8 and send a signal to the control circuit 12, and after the control circuit 12 receives the signal, the control circuit 12 can send a signal to the electromagnetic lock 13, so that the electromagnetic lock 13 is closed. When the electromagnetic lock 13 is closed, the protective cover 8 can be firmly locked, preventing the protective cover 8 from being accidentally opened, and ensuring that the protective cover 8 remains closed during device operation, thereby improving the safety of the device.

[0075] Specifically, the emergency stop button 1 and the power switch 2 are arranged directly below the touch screen, so that the operator can quickly find the emergency stop button 1 and the power switch 2 when needed, so as to take emergency measures or control the power supply of the device in time. The warning light 4 is arranged on the upper end surface of the electric control box 5, which makes the warning light 4 clearly visible during device operation, timely reminding the operator of the running state of the device or possible dangerous situations.

[0076] The switching machine friction coupling 1104 grinding device of the present scheme has multiple safety guarantees, such as the emergency stop button 1, the protective cover 8, the electromagnetic lock 13, and the door closing detection sensor 14, etc. Safety devices ensure that the operator can immediately stop the device from running in an emergency and prevent accidents from happening. By setting the man-machine dialogue touch screen 3, the operator can conveniently interact with the device, set parameters, and monitor the running state, thereby improving the convenience and efficiency of operation.

[0077] Specifically, the power switch 2 controls the power supply of the whole device as a master switch, that is, the power supply system of the grinding device of the switch machine friction coupler 1104 shares one master switch, and the corresponding leakage protection switch 17 is connected in series on the circuit where the power switch 2 is located. According to the conventional circuit setting principle related to the power switch 2, the power switch 2 can be set to have characteristics compatible with different power types to meet the power requirements of different components, such as equipping the power switch 2 with 220V AC power supply 15 and 24V DC power supply 16, respectively, for power testing components and low-voltage devices, to ensure the normal power supply and operation of each part of the device. And through the control circuit 12 combined with AC and DC power, the 220V AC power supply 15 and the 24V DC power supply 16 are integrated, respectively, for power testing components, motor power systems for driving motors, and low-voltage devices such as man-machine dialogue touch screen 3, emergency stop button 1 and warning light 4, so that the device can meet the power requirements of different components at the same time.

[0078] Specifically, the control circuit 12 adopts conventional PLC control and integrates components such as relays and motors to ensure the correct connection and operation between each part of the device and improve the stability and reliability of the electrical system of the device. The motor can be a three-phase asynchronous cage motor. The control circuit 12 of the present scheme adopts conventional PLC programming control, which can control the device through PLC programming to have functions such as forward rotation test, reverse rotation test, interval timing test, and counting test. For example, the forward rotation test program can be used to grind the measured components in the forward or clockwise direction, the reverse rotation test program can be used to grind the measured components in the reverse or counterclockwise direction, the interval timing test program can be used to set the time interval between two grinding processes, and the counting test can be used for corresponding counting. The above functions can be realized by conventional PLC programming control. The PLC programming control automatically realizes the accurate grinding and real-time monitoring of the measured components, ensures that each friction coupler can meet the unified high-quality grinding standard, improves the quality stability of the ground products, and thus improves the working reliability of the switch machine friction coupler on the railway track, and realizes the offline grinding of the S700K switch machine friction coupler.

[0079] The grinding device of the switch machine friction coupling 1104 according to the scheme is used in testing the friction coupling 1104, the friction coupling 1104 is first installed on the fixing frame 1105, and the protective cover 8 is closed. The electric control box 5 is powered on and the power switch 2 is turned on, and it is checked and ensured that the electromagnetic lock 13 is tightly closed to the protective cover 8, and the indicator light on the door closing detection sensor 14 is turned on, wherein the door closing detection sensor 14 is provided with an indicator light, and the indicator light is turned on when the electromagnetic lock 13 is tightly closed to the protective cover 8. After the electromagnetic lock 13 of the protective cover 8 is automatically detected by the related system on the man-machine dialogue touch screen 3 and it is ensured that the electromagnetic lock 13 is normally closed, the working light provided on the electric control box is turned on, and then the device can be started to work by operating the related system on the man-machine dialogue touch screen 3. The warning light 4 is provided with a red light 41 and a green light 42, the red light 41 of the warning light 4 flashes during the grinding process, and the green light 42 of the warning light 4 is turned on after the grinding is completed, wherein the red light 41 of the warning light 4 is turned on and flashes to indicate that the grinding is being carried out, and the green light 42 of the warning light 4 is turned on to indicate that the grinding is completed. If an emergency occurs during the grinding process, the emergency stop button of the device can be pressed to stop running, so that the device stops running.

[0080] Other contents of the grinding device of the switch machine friction coupling according to the utility model are seen from the prior art, and will not be repeated here.

[0081] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, so any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, which does not deviate from the technical scheme content of the utility model, still belongs to the range of the technical scheme of the utility model.

Claims

1. A switch machine friction coupler grinding device, characterized by: The rack and the electric control box, the protective cover, the locking mechanism, the warning light, the emergency stop button, the power switch, the man-machine conversation touch screen, the test component and the control circuit are arranged on the rack; The power switch is used for controlling the power supply; The man-machine conversation touch screen is used for setting parameters and monitoring the running state; The warning light is used for indicating the running state; The control circuit is arranged in the electric control box, and the power switch, the man-machine conversation touch screen, the warning light, the test component and the control circuit are electrically connected; The test component is used for grinding the friction coupling of the switch machine, and the rack is provided with a test platform for mounting the test component; The protective cover is slidably connected with the rack and located above the test platform, and the protective cover can cover the test component or expose the test component when sliding, at least one transparent observation window is arranged on the protective cover, and the protective cover can be locked on the rack through the locking mechanism; When the emergency stop button is pressed, the switch machine friction coupling grinder stops running.

2. The switch machine friction coupler grinding apparatus of claim 1, wherein: Two parallel slide rails are further arranged on the rack, the test platform is located between the two slide rails, and the bottom of the protective cover is slidably connected with the rack through the two slide rails.

3. The switch machine friction coupler grinding apparatus of claim 2, wherein: The power switch, the man-machine conversation touch screen and the warning light are arranged on the electric control box.

4. The switch machine friction coupler grinding apparatus of claim 2, wherein: The test component includes two groups of test assemblies which are symmetrically and spaced apart, and when the protective cover is locked on the rack, the two test assemblies are located in the internal space of the protective cover. Each test component includes a motor, a secondary gear set and a transmission shaft, the motor is provided with an output shaft, the output shaft is in transmission connection with the transmission shaft through the secondary gear set, the transmission shaft is used for mounting a grinding piece, and the grinding piece is ground when the transmission shaft rotates.

5. The switch machine friction coupler grinding apparatus of claim 4, wherein: The secondary gear set includes a first gear and a second gear, the first gear is fixed on the transmission shaft, the second gear is fixed on the output shaft, and the second gear is in meshing connection with the first gear and located below the first gear.

6. The switch machine friction coupler grinding apparatus of claim 2, wherein: A handle is further arranged on the protective cover.

7. The switch machine friction coupler grinding apparatus of claim 6, wherein: The protective cover includes a top plate and side plates, the side plates are annular and closely connected with the edge of the top plate at the upper end, the handle and the observation windows are located on the top plate; The side plates include a first plate body, a second plate body, a third plate body and a fourth plate body which are sequentially connected, the first plate body is located between the two slide rails and provided with a notch at the lower end, the notch is used for passing the test component, the second plate and the fourth plate body are slidably connected with the two slide rails respectively, and the third plate body can be locked with the rack through the locking mechanism.

8. The switch machine friction coupler grinding apparatus of claim 7, wherein: The electric control box is located at the upper end of the rack and adjacent to the test platform, and the first plate body is located on the side close to the electric control box.

9. The switch machine friction coupler grinding apparatus of claim 8, wherein: The electric control box includes a box body, the control circuit is arranged at the upper end of the rack, the box body is downwardly opened and can cover the control circuit, and the bottom end of the box body is hingedly connected with the rack away from the side of the protective cover.

10. The switch machine friction coupler grinding apparatus of claim 2, wherein: The locking mechanism comprises an electromagnetic lock and a door closed detection sensor, both of which are arranged between the two slide rails and away from the electric control box; When the device starts to work, the door closed detection sensor can monitor the position change of the protective cover and send a signal to the control circuit, and the control circuit can send a signal to close the electromagnetic lock to the electromagnetic lock, and the electromagnetic lock can lock the protective cover when it is closed.

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