Motor bearing friction testing device

Abstract

A motor bearing friction testing device comprises a first fixing plate and a second fixing plate which are symmetrically arranged on a mounting plate, supporting rods connected with the mounting plate are arranged at the bottoms of the first fixing plate and the second fixing plate, a rotating groove is formed in the first fixing plate, and a rotating block rotationally connected with the rotating groove is arranged in the rotating groove. A motor is arranged on the second fixing plate, a fixing sleeve is arranged on an output shaft of the motor, a detachable rotating rod is arranged in the fixing sleeve, fixing rods are arranged at the two ends of the rotating rod, one fixing rod is located in the fixing sleeve, and the other fixing rod penetrates through the rotating block; the bearing friction testing device is simple and reasonable in structure, and can effectively test bearing friction to obtain a required structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing test field, concretely speaking, a motor bearing friction testing device. BACKGROUND

[0002] Bearing needs to carry out friction test to determine whether bearing meets the demand in the production process, and currently in the friction test, bearing is driven to rotate through motor, and then the friction resistance of bearing is tested to obtain test data. In the test process, bearing is fixed on the output shaft of motor, and then the motor is started to rotate at high speed, and the operator feels the friction resistance of bearing by pressing the outer ring of bearing with hand. The operation is completely based on the work experience of the operator, and the test result is not accurate enough. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a motor bearing friction testing device to carry out friction test on bearing.

[0004] In order to solve the above technical problem, the utility model adopts the specific scheme that:

[0005] A motor bearing friction testing device, first fixed plate and second fixed plate are symmetrically arranged on the mounting plate, the bottom of first fixed plate and second fixed plate is equipped with the support rod connected with the mounting plate, the first fixed plate is equipped with the rotating groove, the rotating groove is equipped with the rotating block connected with rotation, the second fixed plate is equipped with the motor, the output shaft on the motor is equipped with the fixed sleeve, the fixed sleeve is equipped with the detachable rotating rod, both ends of the rotating rod are equipped with the fixed rod, one of the fixed rods is located in the fixed sleeve, and the other fixed rod penetrates the rotating block, the first fixed plate and the second fixed plate are equipped with the mounting rod between, the mounting rod is equipped with the pressing hole, the pressing hole is equipped with the mounting rod connected with screw thread, and the bottom of the mounting rod is equipped with the pressing block for pressing the outside of bearing.

[0006] The mounting plate is equipped with the sliding slot, the bottom of the support rod is equipped with the sliding block in the sliding slot, and the first fixed plate and the second fixed plate slide on the mounting plate through the sliding block.

[0007] The rotating rod is equipped with a plurality of extrusion grooves, the extrusion groove is equipped with the fixed block for fixing the inner ring of bearing, one side of the fixed block in the rotating rod is equipped with the limiting block, the rotating rod is of hollow structure, the end of the rotating rod is equipped with the extrusion hole, the extrusion hole is equipped with the adjusting rod connected with screw thread, one side of the adjusting rod in the rotating rod is equipped with the extrusion block, and the rotating rod is filled with the air bag for ejecting the fixed block to fix the inner ring of bearing.

[0008] The fixed rod is of polygonal structure.

[0009] The first fixed plate is provided with a mounting hole for the mounting rod to pass through.

[0010] The mounting rod and the mounting hole are both polygonal structures.

[0011] Due to the adoption of the above technical solutions, the utility model has the following beneficial effects:

[0012] The second fixed plate and the motor are arranged to drive the bearing, the fixed block is arranged to fix the inner ring of the bearing, the pressing block is arranged to press the outer ring of the bearing, the motor is rotated at high speed to heat the bearing, and the operator can quickly complete the friction test of the bearing by using the handheld temperature detector, thereby obtaining the conclusion of whether the bearing meets the standard; the utility model has the advantages of simple and reasonable structure, can effectively test the bearing friction, and obtains the required structure. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a side view of the utility model;

[0015] Figure 3 It is an enlarged schematic view of A of the utility model;

[0016] Figure 4 It is a schematic view of the internal structure of the rotating rod of the utility model;

[0017] The drawings are as follows: mounting plate 1; sliding groove 2; first fixed plate 3; second fixed plate 4; support rod 5; motor 6; fixed sleeve 7; rotating rod 8; fixed rod 9; mounting rod 10; pressing rod 11; pressing block 12; adjusting rod 13; fixed block 14; air bag 15; extrusion block 16. DETAILED DESCRIPTION

[0018] For example, Figures 1-4As shown, a motor bearing friction test device, including a first fixed plate 3 and a second fixed plate 4 symmetrically arranged on the mounting plate 1, the bottom of the first fixed plate 3 and the second fixed plate 4 is provided with a support rod 5 connected with the mounting plate 1, the first fixed plate 3 is provided with a rotating groove, the rotating groove is provided with a rotating block connected with the rotating groove, the second fixed plate 4 is provided with a motor 6, the output shaft of the motor 6 is provided with a fixed sleeve 7, the fixed sleeve 7 is provided with a detachable rotating rod 8, the both ends of the rotating rod 8 are provided with a fixed rod 9, one of the fixed rods 9 is located in the fixed sleeve 7, the other fixed rod 9 penetrates the rotating block, the first fixed plate 3 and the second fixed plate 4 are provided with a mounting rod 10, the mounting rod 10 is provided with a pressing hole, the pressing hole is provided with a mounting rod 10 connected with the pressing hole, the bottom of the mounting rod 10 is provided with a pressing block 12 for pressing the outside of the bearing, the pressing block 12 is made of rubber material, the pressing block 12 can press the outer ring of the bearing, so that the inner ring can rotate, the rapid rotation will cause the bearing to heat, in the test process, the temperature measuring instrument is used to measure the heat generated by the bearing in the rotating process, so as to complete the friction test.

[0019] The mounting plate 1 is provided with a sliding groove 2, the bottom of the support rod 5 is provided with a sliding block located in the sliding groove 2, the first fixed plate 3 and the second fixed plate 4 are located on the mounting plate 1 by the sliding block, the sliding groove 2 can be set to facilitate the sliding of the support rod 5, so that the fixed rod 9 is aligned with the fixed sleeve 7, and the bearing can be replaced during the test.

[0020] The rotating rod 8 is provided with a plurality of extrusion grooves, the extrusion grooves are provided with a fixed block 14 for fixing the inner ring of the bearing, the fixed block 14 is located on one side of the rotating rod 8 and is provided with a limiting block, the rotating rod 8 is a hollow structure, the end of the rotating rod 8 is provided with an extrusion hole, the extrusion hole is provided with a threaded adjusting rod 13, one side of the adjusting rod 13 is provided with an extrusion block 16, the rotating rod 8 is filled with a gas bag 15 for ejecting the fixed block 14 to fix the inner ring of the bearing, the limiting block is in close contact with the gas bag 15, the gas bag 15 is extruded by rotating the adjusting rod 13, so as to prolong the length of the fixed block 14, so as to fix the bearing with different inner diameters.

[0021] The fixed rod 9 is a polygonal structure, and the polygonal structure of the fixed rod 9 can facilitate the driving of the fixed sleeve 7.

[0022] The first fixed plate 3 is provided with a mounting hole for the mounting rod 10 to pass through, and the mounting hole can be set to facilitate the separation of the mounting rod 10.

[0023] The mounting rod 10 and the mounting hole are polygonal structures, and the polygonal structure can prevent the bearing from shaking the pressing block 16 during installation

[0024] The use method of the utility model is briefly described as follows:

[0025] In use, the first fixed plate 3 and the second fixed plate 4 are separated by sliding the supporting rod 5, then the bearing is sleeved outside the fixed block 14, the air bag 15 is extruded by rotating the adjusting rod 13, so that the bearing is fixed, then the first fixed plate 3 is moved to insert the fixed rod 9 into the fixed sleeve 7, then the pressing block 12 is pressed on the outer ring of the bearing by rotating the pressing rod 11, the motor 6 is rotated from the rear, heat is generated in the rotating process of the bearing, the tester records the temperature generated by the bearing in high-speed rotation by using the temperature measuring instrument, and the test result is obtained according to the test time and the rotating speed of the motor 6.

Claims

1. An electric machine bearing friction test apparatus characterized by: The utility model provides a kind of fixed plate, including the first fixed plate (3) and the second fixed plate (4) being symmetrically arranged on mounting plate (1), the bottom of first fixed plate (3) and second fixed plate (4) is equipped with the support rod (5) being connected with mounting plate (1), rotating groove is equipped on first fixed plate (3), rotating block is equipped in rotating groove, motor (6) is equipped on second fixed plate (4), fixed sleeve (7) is equipped on the output shaft of motor (6), the detachable rotating rod (8) is equipped in fixed sleeve (7), both ends of rotating rod (8) are equipped with fixed rod (9), one of fixed rod (9) is located in fixed sleeve (7) inside, another fixed rod (9) penetrates rotating block, mounting rod (10) is equipped between first fixed plate (3) and second fixed plate (4), mounting rod (10) is equipped with pressing hole, the mounting rod (10) of screw connection is fitted in pressing hole, the bottom of mounting rod (10) is equipped with the pressing block (12) for pressing the outside of bearing.

2. The electric machine bearing friction test apparatus of claim 1, wherein: Mounting plate (1) is equipped with sliding slot (2), the bottom of support rod (5) is equipped with sliding block in sliding slot (2), first fixed plate (3) and second fixed plate (4) are slid on mounting plate (1) by sliding block.

3. The electric machine bearing friction test apparatus of claim 1, wherein: Rotating rod (8) is equipped with several extrusion grooves, the fixed block (14) for fixing bearing inner ring is equipped in extrusion groove, limit block is equipped on one side of fixed block (14) in rotating rod (8), rotating rod (8) is hollow structure, the end of rotating rod (8) is equipped with extrusion hole, the adjusting rod (13) of screw connection is equipped in extrusion hole, extrusion block (16) is equipped on one side of adjusting rod (13) in rotating rod (8), air bag (15) is filled in rotating rod (8) for pushing out fixed block (14) to fix bearing inner ring.

4. The electric machine bearing friction test apparatus of claim 1, wherein: Fixed rod (9) is polygonal structure.

5. The electric machine bearing friction test apparatus of claim 1, wherein: First fixed plate (3) is equipped with mounting hole for mounting rod (10) to pass through.

6. The electric machine bearing friction test apparatus of claim 5, wherein: Mounting rod (10) and mounting hole are polygonal structure.

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