Device for detecting working state of bearing in RV speed reducer

Abstract

The utility model discloses a device for detecting the working state of a bearing in an RV speed reducer, which comprises a speed reducer shell, two bearing positions are arranged in the speed reducer shell, a detection hole penetrating through the speed reducer shell is arranged at the bearing positions, a detection assembly is hermetically mounted in the detection hole, and the detection assembly is connected with the speed reducer shell. The detection assembly is used for detecting the working state of the bearing; and the sealing plug is used for plugging the detection hole. The device can carry out authenticity measurement on the stability and vibration state of the bearing in the speed reducer, the measurement precision is high, the bearing can be sealed when measurement is not carried out, the overall service life is not affected, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reducer performance detection system technical field, concretely relates to a RV reducer inner bearing working condition detection device. BACKGROUND

[0002] The RV reducer is assembled, and all need to carry out life and performance detection on the professional detection equipment. The existing detection equipment does not go into the inside of the speed reducer, and the sensor of the equipment can only detect the RV reducer whole machine precision, efficiency, rigidity, sound, vibration related external parameters, because the difficulty of setting sensor in the RV speed reducer is greater, therefore the existing equipment cannot reflect the state when the speed reducer works, leading to the accuracy degree of the parameter obtained by the existing mode detection being limited. The patent for invention with the publication number CN112146872A discloses a kind of performance testing device for flexible gear of harmonic reducer, including fixed base plate;Left, middle, right three vertical plates are arranged on fixed base plate;Flexible gear fixing plate is installed on the side of middle vertical plate of right vertical plate, flexible gear is fixed on flexible gear fixing plate, and clamping mechanism is arranged outside flexible gear;Transmission main shaft is installed between middle vertical plate and left vertical plate;Transmission main shaft is rotatably connected with middle vertical plate and left vertical plate by bearing;Dial stud is arranged on transmission main shaft, and dial stud is drivingly connected with lever shaft;Through the reciprocating motion of lever shaft, transmission main shaft is driven to reciprocate at set angle, and flexible gear is driven to twist at corresponding angle by cam installed at one end of transmission main shaft, and flexible gear is deformed, it can detect the performance index of flexible gear in all directions, avoid the problem that the life of flexible gear is reduced due to the loss of other parts of harmonic reducer, but it still uses external measurement mode, and cannot truly and accurately reflect internal situation. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of RV reducer inner bearing working condition detection device, the device can measure the stability and vibration state of the bearing in the inside of speed reducer truly, the precision of measurement is high, and it can be sealed when not measuring, does not affect overall service life, and it is practical.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of RV reducer inner bearing working condition detection device, including reducer shell, two bearing positions are arranged in the reducer shell, detection hole is arranged at the bearing position and penetrates the reducer shell, detection assembly is sealedly installed in the detection hole, and the detection assembly is used to detect the working condition of bearing;It further includes sealing plug for plugging detection hole.

[0006] Preferably, the detection hole is a stepped hole, and an internal thread is arranged in the inner side of one end close to the outer side of the reducer shell.

[0007] Preferably, a sealing gasket is arranged in the detection hole, and the sealing gasket seals the joint when the detection assembly is arranged in the detection hole.

[0008] Preferably, the detection assembly comprises a support column, a screwing part arranged at the end of the support column, and a sensor arranged at the other end of the support column, and the sensor is used for detecting the working state of the bearing.

[0009] Preferably, the sensor is a temperature sensor, and the temperature sensor is used for detecting the temperature of the bearing during working.

[0010] Preferably, the sensor is a vibration sensor, and the vibration sensor is used for detecting the vibration of the bearing during working.

[0011] Preferably, a connecting hole is arranged on the support column and penetrates through both sides, a hollow adjusting rod is adjustably arranged in the connecting hole, one end of the sensor is arranged on the hollow adjusting rod, and the signal line of the sensor is arranged to pass through the hollow adjusting rod.

[0012] In the utility model, the detection hole can make the detection components inserted into the inside of the speed reducer, real measurement can be carried out, and the measurement precision is improved. The detection assembly can measure the temperature and vibration state of the bearing during working in real time, and the measurement data is transmitted out, so that real-time analysis is facilitated. The hollow adjusting rod can adjust the position of the sensor, ensure that the sensor can contact the bearing outer ring, improve the measurement accuracy, facilitate the arrangement of the sensor signal line, and ensure that the measurement data can be transmitted in real time. The sealing plug can seal the detection hole during non-measurement, and does not affect the service life of the speed reducer. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the plugging state of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure installation state of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the detection assembly of the utility model;

[0017] In the drawing: 1, speed reducer shell; 2, detection hole; 3, sealing gasket; 4, detection assembly; 5, hollow adjusting rod; 6, sealing plug; 40, support column; 41, screwing part; 42, sensor. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings:

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, an RV reducer inner bearing working state detection device, including a reducer housing 1, two bearing positions are arranged in the reducer housing 1, a detection hole 2 penetrating the inner and outer sides of the reducer housing 1 is arranged at the bearing position, the detection hole 2 is arranged at two bearing positions, the number of detection holes 2 is one, two or more, and the specific number is set according to actual needs. In this embodiment, the detection hole 2 is a stepped hole, an internal thread is arranged at one end of the detection hole 2 close to the outer side of the reducer housing 1, which is convenient for connection; a sealing gasket 3 is arranged in the detection hole 2 (specifically located at the stepped end face), when the detection assembly 4 is installed in the detection hole 2, the sealing gasket is sealed and connected at the connection.

[0020] The detection assembly 4 is sealingly installed in the detection hole 2, and the detection assembly 4 is used to detect the working state of the bearing at the bearing position. The detection assembly 4 includes a support column 40, a screwing part 41 fixedly arranged or integrally arranged at the end of the support column 40, and a sensor 42 installed at the other end of the support column 40, the sensor 42 is used to detect the working state of the bearing. The screwing part 41 can be in the shape of a character, an outer hexagon or a cross. The support column 40 is a stepped shaft matched with the detection hole 2. In one embodiment, the sensor 42 is a temperature sensor, which is used to detect the temperature of the bearing during operation. In another embodiment, the sensor 42 is a vibration sensor, which is used to detect the vibration of the bearing during operation. Of course, the sensor 42 can also be a temperature-sensitive capacitor, which is used to detect the real-time temperature and temperature change of the local position of the bearing during operation, and the sensor 42 can also be a pressure-sensitive capacitor, which is used to measure the real-time vibration, vibration change or real-time deformation, deformation change or real-time pressure, pressure change of the local position. The temperature-sensitive capacitor and the pressure-sensitive capacitor are thin film capacitors, electrolytic capacitors or ceramic capacitors. The signal line of the sensor 42 is led out of the support column 40. Of course, two sensors 42 can also be installed on one support column 40.

[0021] In a preferred embodiment, a connecting hole penetrating both sides is arranged on the support column 10, a hollow adjusting rod 5 is adjustably installed in the connecting hole through threads, one end of the sensor 42 is installed on the hollow adjusting rod 5, and the signal line of the sensor 42 is led out of the hollow adjusting rod 5. By adjusting the hollow adjusting rod 5, the sensor 42 can be brought into contact with the outer wall of the bearing, and the signal line of the sensor 42 is sealed in the interior of the hollow adjusting rod 5 by a sealing glue.

[0022] Also included is a sealing plug 6 for sealing the detection hole 2, the sealing plug 6 is in the shape of a stepped shaft, and after sealing, the sealing plug 6 is located in the detection hole 2 as a whole, and of course, in order to further protect the sealing plug 6, a sealing end cover is fixedly installed on the outside of the speed reducer shell 1 through fasteners, and the sealing plug 6 is sealed therein.

[0023] The above embodiments are only a number of descriptions of the concept and implementation of the present application, and are not limiting, and under the concept of the present application, the technical solutions without substantial changes are still within the protection scope.

Claims

1. A device for detecting the working state of a bearing in an RV reducer, comprising a reducer housing (1), wherein two bearing positions are provided in the reducer housing (1), and characterized in that: A detection hole (2) penetrating the reducer housing (1) is provided at the bearing position, a detection assembly (4) is sealed and installed in the detection hole (2), and the detection assembly (4) is used to detect the working state of the bearing; and a sealing plug (6) is also included for sealing the detection hole (2).

2. The RV reducer inner bearing working state detection device according to claim 1 is characterized in that: The detection hole (2) is a stepped hole, and an internal thread is provided inside one end close to the outside of the reducer housing (1).

3. The RV reducer inner bearing working state detection device according to claim 1 or 2, characterized in that: A sealing gasket (3) is provided in the detection hole (2), and when the detection component (4) is installed in the detection hole (2), the sealing gasket (3) seals the connection.

4. The RV reducer inner bearing working state detection device according to claim 3 is characterized in that: The detection assembly (4) comprises a support column (40), a screwing portion (41) fixedly arranged at the end of the support column (40), and a sensor (42) installed at the other end of the support column (40), wherein the sensor (42) is used to detect the working state of the bearing.

5. The RV reducer inner bearing working state detection device according to claim 4, characterized in that: The sensor (42) is a temperature sensor, and the temperature sensor is used to detect the temperature of the bearing when it is working.

6. The RV reducer inner bearing working state detection device according to claim 4, characterized in that: The sensor (42) is a vibration sensor, and the vibration sensor is used to detect the vibration of the bearing when it is working.

7. The device for detecting the working state of the inner bearing of an RV reducer according to any one of claims 4 to 6, characterized in that: The support column (40) is provided with connection holes penetrating both sides, a hollow adjustment rod (5) is adjustably installed in the connection hole, one end of the sensor (42) is installed on the hollow adjustment rod (5), and a signal line of the sensor (42) passes through the hollow adjustment rod (5).

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