A bearing clearance detection device

Abstract

The present invention discloses a bearing clearance detection device which relates to the technical field of bearing detection. The device includes a testing device, on the back of which a back plate is fixedly installed. At the bottom of the front surface of the back plate, a bottom block is fixedly installed, and on the top of the bottom block, a side plate is fixedly installed. Inside the side plate, a clamping mechanism is fixedly installed, and the clamping mechanism clamps a bearing. At the bottom of the base, a support rod is fixedly installed, and an installation mechanism is inserted into the support rod. In the middle of the top of the base, a rotating mechanism is fixedly installed. It is convenient to clamp the bearing, stabilize the position of the bearing, protect the subsequent tests, facilitate the detection of bearings of different models, facilitate the detection of bearings, detect the clearance of the bearings, without manual drive, convenient and fast, can quickly install and disassemble this device, can be quickly repaired, and avoid wasting a lot of time in disassembly during the repair of this device.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing detection, and particularly to a bearing clearance detection device. Background Art

[0002] In the maintenance industry of urban rail vehicles, especially in the maintenance industry of subway vehicles, the wheel pair bearings are key components of the track, and their maintenance requirements are very strict. The bearing models and brands used in rail vehicles vary, and their structures are also very different, and the maintenance standards and requirements are also different.

[0003] In the prior art, there are devices for measuring axial clearance, such as a bearing axial clearance measuring device with the publication number CN211740075U. The invention patent of the axial clearance measuring device discloses a structure.

[0004] Specifically, paragraph 0037 of the specification records that manual pressing of the cover plate is used to push the inner ring downward to generate movement, and a dial indicator or a micrometer is used to measure the movement distance to measure the bearing clearance. Obviously, the problems and disadvantages of this device are that it cannot be quickly installed and disassembled, cannot stabilize the outer ring of the bearing, and cannot rotate automatically, affecting the efficiency. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems existing in the bearing clearance detection device in the prior art, and to propose a bearing clearance detection device.

[0006] To achieve the above purpose, the present invention adopts the following technical solution: a bearing clearance detection device, including a test device, a back plate is fixedly installed on the back of the test device, a bottom block is fixedly installed at the bottom of the front of the back plate, a side plate is fixedly installed on the top of the bottom block, a clamping mechanism is fixedly installed inside the side plate, the clamping mechanism clamps a bearing, a support rod is fixedly installed at the bottom of the bottom block, an installation mechanism is inserted inside the support rod, and a rotation mechanism is fixedly installed in the middle of the top of the bottom block;

[0007] The rotation mechanism, the rotation mechanism includes a second motor, the second motor is fixedly installed at the inner top of the bottom block, an output shaft is fixed on the top of the second motor, a rotating base is fixedly installed on the top of the second motor through the output shaft, rotating blocks are fixedly installed on both sides of the rotating base, a second ball is rotatably installed at the bottom of the rotating block, and a rectangular block is slidably installed at the bottom of the second ball.

[0008] Preferably, a side plate is fixedly installed on the outside of the rectangular block, a circular ring groove is opened at the position corresponding to the ball on the side plate, and the side plate is slidably installed with the second ball through the circular ring groove, and the circular ring groove can facilitate the movement of the ball.

[0009] Preferably, the clamping mechanism includes a first bidirectional threaded rod rotatably installed inside the rotating base. A second bevel gear is fixedly installed on the outer surface of the first bidirectional threaded rod. The outer surface of the second bevel gear meshes with a first bevel gear. A rotating rod is fixedly installed at the top of the first bevel gear. A rotating sleeve is rotatably installed on the outer surface of the rotating rod. A second gear is fixedly installed at the top of the rotating rod. The outer surface of the second gear meshes with a first gear. A first motor is fixedly installed at the bottom of the first gear. A pressing plate is threadedly installed on the outer surface of the bidirectional threaded rod. A rubber block is fixedly installed inside the pressing plate. A first sliding rod is slidably installed at the bottom of the pressing plate through a threaded rod. A first ball is rotatably installed at the bottom of the pressing plate. The bottom of the bearing is fixedly installed with a placing block through the rotating base.

[0010] Preferably, the pressing plate is slidably installed on the top of the rotating base through a ball, and the first motor is fixedly installed on the top of the rotating base, which can facilitate the first motor to drive the base to rotate.

[0011] Preferably, a through hole is formed inside the rotating sleeve, and the rotating rod is rotatably installed through the through hole of the rotating sleeve. The rotating sleeve facilitates the position fixation of the rotating rod and avoids the deviation of the rotating rod during use.

[0012] Preferably, the number of the pressing plates is two, and the two pressing plates are symmetrically threadedly installed on the outer surfaces of both sides of the first bidirectional threaded rod, which is convenient for the pressing plates to clamp the bearing.

[0013] Preferably, the installation mechanism includes a base fixedly installed on the front of the bottom of the back plate. Installation plates are fixedly installed on both sides of the top of the base. A second bidirectional threaded rod is rotatably installed inside the installation plates. A connecting rod is fixedly installed on the left side of the second bidirectional threaded rod. A handle is fixedly installed on the left side of the connecting rod. A threaded sleeve is threadedly installed on the outer surface of the bidirectional threaded rod. A second sliding rod is slidably installed at the bottom of the threaded sleeve through the second bidirectional threaded rod. A pin is fixedly installed at the bottom of the threaded sleeve.

[0014] Preferably, the number of the threaded sleeves is two, and the two threaded sleeves are threadedly installed on both sides of the second bidirectional threaded rod, which is convenient for the threaded sleeves to drive the pins to approach or move away from each other.

[0015] Preferably, a slot is formed inside the support rod, a chute is formed inside the threaded sleeve, and a second sliding rod is slidably installed inside the threaded sleeve through the chute. The second sliding rod facilitates the restriction of the rotation of the threaded sleeve.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows;

[0017] 1. In the present invention, first, the clamping mechanism is used to clamp the bearing. Then, the first motor is started. The first motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating rod to rotate, the rotating rod drives the second bevel gear, the second bevel gear drives the first bevel gear, and the first bevel gear drives the first double-threaded rod to rotate. Then, the first double-threaded rod drives the pressing plates to approach each other. The first balls at the bottom of the pressing plates roll, facilitating the movement of the pressing plates. Then, the rubber blocks on the pressing plates can increase the friction force, fixing the position of the bearing, facilitating the clamping of the bearing, stabilizing the position of the bearing, protecting the subsequent tests, and facilitating the detection of bearings of different models.

[0018] 2. For the rotating mechanism, first, the second motor is started. Then, the second motor drives the rotating base to rotate. Then, the rotating block moves on the top of the rectangular block. During the movement, the second balls can reduce the friction force during the rolling process. During the rotation, the clamping device clamps the outer wall of the bearing. Therefore, the radial clearance of the bearing can be measured, and the outer wall of the bearing can be driven to rotate, facilitating the detection of the bearing, detecting the radial clearance of the bearing, without manual driving, which is convenient and fast.

[0019] 3. The installation mechanism can quickly install the entire device. During the installation process, the turning handle is rotated, causing the connecting rod to rotate. The connecting rod drives the second double-threaded rod to rotate. The threaded sleeve is limited by the second slide rod. The threaded rod drives the threaded sleeves to approach each other. The threaded sleeves drive the pins to insert into the inside of the support rod, completing the installation. During subsequent disassembly, the turning handle is rotated in the reverse direction. Then, the turning handle drives the connecting rod, and then the second double-threaded rod drives the threaded sleeves to move away from each other, and the disassembly can be completed. It can quickly install and disassemble this device, enabling quick repair, and avoiding wasting a large amount of time during the disassembly for the repair of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following-described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] FIG. 2 is a front structural schematic diagram of the present invention;

[0023] FIG. 3 is an enlarged structural schematic diagram at A in FIG. 2 of the present invention;

[0024] FIG. 4 is an enlarged structural schematic diagram at B in FIG. 2 of the present invention;

[0025] FIG. 5 is an enlarged structural schematic diagram at C in FIG. 2 of the present invention;

[0026] Legend Explanation:

[0027] 1. Clamping mechanism; 2. Rotating mechanism; 3. Mounting mechanism; 4. Testing device; 5. Back plate; 6. Bearing; 7. Side plate; 8. Bottom block; 9. Support rod; 11. Pressure plate; 12. Rubber block; 13. First sliding rod; 14. First ball; 15. First bevel gear; 16. Second bevel gear; 17. Rotating rod; 18. Rotating sleeve; 19. First motor; 191. First gear; 192. Second gear; 193. Placing block; 194. First double-threaded screw rod; 21. Second motor; 22. Rotating base; 23. Rotating block; 24. Second ball; 25. Rectangular block; 31. Handle; 32. Connecting rod; 33. Mounting plate; 34. Base; 35. Threaded sleeve; 36. Second double-threaded screw rod; 37. Second sliding rod; 38. Plug pin. Detailed Implementation Manner

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; in addition, unless otherwise clearly defined and limited, the terms "mounted", "connected", "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] The present invention provides a technical solution:

[0031] Embodiment 1

[0032] Please refer to Figure 1-5, a bearing clearance detection device, including a test device 4. A back plate 5 is fixedly installed on the back of the test device 4. A bottom block 8 is fixedly installed at the bottom of the front of the back plate 5. A side plate 7 is fixedly installed on the top of the bottom block 8. A clamping mechanism 1 is fixedly installed inside the side plate 7. The clamping mechanism 1 clamps a bearing 6. A support rod 9 is fixedly installed at the bottom of the bottom block 8. An installation mechanism 3 is inserted inside the support rod 9. A rotating mechanism 2 is fixedly installed in the middle of the top of the bottom block 8;

[0033] The rotating mechanism 2, the rotating mechanism 2 includes a second motor 21. The second motor 21 is fixedly installed on the inner top of the bottom block 8. An output shaft is fixed to the top of the second motor 21. A rotating base 22 is fixedly installed on the top of the second motor 21 through the output shaft. Rotating blocks 23 are fixedly installed on both sides of the rotating base 22. Second balls 24 are rotatably installed at the bottom of the rotating blocks 23. A rectangular block is slidably installed at the bottom of the second balls 24.

[0034] Furthermore, a side plate is fixedly installed on the outside of the rectangular block. A circular ring groove is opened in the side plate corresponding to the position of the second ball. The side plate slidably installs the second ball through the circular ring groove. Start the first motor 19. The first motor 19 drives the first gear 191 to rotate. The first gear 191 drives the second gear 192 to rotate. The second gear 192 drives the rotating rod 17 to rotate. The rotating rod 17 drives the second bevel gear 16. The second bevel gear 16 drives the first bevel gear 15. The first bevel gear 15 drives the first bidirectional threaded rod 194 to rotate. Then the first bidirectional threaded rod 194 drives the pressing plates 11 to approach each other. The first balls 14 at the bottom of the pressing plates 11 roll, facilitating the movement of the pressing plates 11. Then the rubber blocks 12 of the pressing plates 11 can increase the friction force, fixing the position of the bearing 6, facilitating the clamping of the bearing 6, stabilizing the position of the bearing 6, protecting the subsequent test, and facilitating the detection of bearings 6 of different models.

[0035] Embodiment 2

[0036] Please refer to Figure 1-5 , and on the basis of Embodiment 1, further obtain that the clamping mechanism 1 includes a first bidirectional threaded rod 194. The first bidirectional threaded rod 194 is rotatably installed inside the rotating base 22. A second bevel gear 16 is fixedly installed on the outer surface of the first bidirectional threaded rod 194. A first bevel gear 15 is meshed on the outer surface of the second bevel gear 16. A rotating rod 17 is fixedly installed on the top of the first bevel gear 15. A rotating sleeve 18 is rotatably installed on the outer surface of the rotating rod 17. A second gear 192 is fixedly installed on the top of the rotating rod 17. A first gear 191 is meshed on the outer surface of the second gear 192. A first motor 19 is fixedly installed at the bottom of the first gear 191. Pressing plates 11 are threadedly installed on the outer surface of the first bidirectional threaded rod 194. Rubber blocks 12 are fixedly installed inside the pressing plates 11. A first sliding rod 13 is slidably installed at the bottom of the pressing plates 11 through a threaded rod. First balls 14 are rotatably installed at the bottom of the pressing plates 11. The bottom of the bearing 6 is fixedly installed with a placing block 193 through the rotating base 22.

[0037] Furthermore, the pressing plate 11 is slidably mounted on the top of the rotating base 22 through balls. The first motor 19 is fixedly mounted on the top of the rotating base 22. A through hole is provided inside the rotating sleeve 18, and a rotating rod 17 is rotatably mounted in the rotating sleeve 18 through the through hole. The number of pressing plates 11 is two, and the two pressing plates 11 are symmetrically threadedly mounted on the outer surfaces of both sides of the first bidirectional threaded rod 194. Then, the second motor 21 drives the rotating base 34 to rotate, and then the rotating block 23 moves on the top of the rectangular block 25. During the movement, the second ball 24 can reduce the friction force during the rolling process. During the rotation, the clamping device clamps the outer wall of the bearing 6. Therefore, the clearance of the bearing 6 can be measured, the outer wall of the bearing 6 can be driven to rotate, which is convenient for detecting the bearing 6, detecting the clearance of the bearing 6, without manual driving, and is convenient and fast.

[0038] Embodiment III

[0039] Please refer to Figure 1-5 and on the basis of Embodiment I and Embodiment II, the installation mechanism 3 is further obtained, including a base 34, the base 34 is fixedly mounted on the front of the bottom of the back plate 5, two mounting plates 33 are fixedly mounted on both sides of the top of the base 34, a second bidirectional threaded rod 36 is rotatably mounted inside the mounting plate 33, a connecting rod 32 is fixedly mounted on the left side of the second bidirectional threaded rod 36, a handle 31 is fixedly mounted on the left side of the connecting rod 32, a threaded sleeve 35 is threadedly mounted on the outer surface of the second bidirectional threaded rod 36, a second sliding rod 37 is slidably mounted inside the threaded sleeve 35 through the bottom of the bidirectional threaded rod, and a pin 38 is fixedly mounted on the bottom of the threaded sleeve 35.

[0040] Furthermore, the number of threaded sleeves 35 is two, and the two threaded sleeves 35 are threadedly mounted on both sides of the second bidirectional threaded rod 36. A slot is provided inside the support rod 9, a chute is provided inside the threaded sleeve 35, and a second sliding rod 37 is slidably mounted inside the threaded sleeve 35 through the chute. During the installation process, the rotating handle is rotated, so that the connecting rod 32 rotates, the connecting rod 32 drives the second bidirectional threaded rod 36 to rotate, the threaded sleeve 35 is limited by the second sliding rod 37, and the threaded rod drives the threaded sleeves 35 to approach each other. The threaded sleeve 35 drives the pin 38 to insert into the support rod 9 to complete the installation. During subsequent disassembly, the rotating handle is reversed, then the rotating handle drives the connecting rod 32, and then the second bidirectional threaded rod 36 drives the threaded sleeves 35 to move away from each other, and the disassembly can be completed. The device can be quickly installed and disassembled, and can be quickly repaired, avoiding wasting a lot of time in disassembling the device during maintenance.

[0041] During the actual operation process, when this device is in use, first use the clamping mechanism 1 to clamp the bearing 6, start the first motor 19, the first motor 19 drives the first gear 191 to rotate, the first gear 191 drives the second gear 192 to rotate, the second gear 192 drives the rotating rod 17 to rotate, the rotating rod 17 drives the second bevel gear 16, the second bevel gear 16 drives the first bevel gear 15, the first bevel gear 15 drives the first double-threaded rod 194 to rotate, and then the first double-threaded rod 194 drives the pressing plates 11 to approach each other. The first balls 14 at the bottom of the pressing plates 11 roll, facilitating the movement of the pressing plates 11. Then, the rubber blocks 12 of the pressing plates 11 can increase the friction force, fixing the position of the bearing 6.

[0042] For the rotating mechanism, first start the second motor 21, then the second motor 21 drives the rotating base 34 to rotate. Then, the rotating block 23 moves on the top of the rectangular block 25. During the movement, the second balls 24 can reduce the friction force during the rolling process. During the rotation process, the clamping device clamps the outer wall of the bearing 6, so the radial clearance of the bearing 6 can be measured.

[0043] The installation mechanism 3 can quickly install the entire device. During the installation process, rotate the turning handle, causing the connecting rod 32 to rotate. The connecting rod 32 drives the second double-threaded rod 36 to rotate. The threaded sleeve 35 is limited by the second sliding rod 37. The threaded rod drives the threaded sleeves 35 to approach each other. The threaded sleeves 35 drive the pins 38 to insert into the support rod 9, completing the installation. When disassembling later, reverse the turning handle, then the turning handle drives the connecting rod 32, and then the second double-threaded rod 36 drives the threaded sleeves 35 to move away from each other, and the disassembly can be completed.

Claims

1. A bearing clearance detection device, including a testing device (4), Characterized in that: A back plate (5) is fixedly installed on the back of the testing device (4), a bottom block (8) is fixedly installed at the bottom of the front surface of the back plate (5), a side plate (7) is fixedly installed on the top of the bottom block (8), a clamping mechanism (1) is fixedly installed inside the side plate (7), the clamping mechanism (1) clamps a bearing (6), a support rod (9) is fixedly installed at the bottom of the bottom block (8), an installation mechanism (3) is inserted inside the support rod (9), and a rotating mechanism (2) is fixedly installed in the middle of the top of the bottom block (8); The rotating mechanism (2), the rotating mechanism (2) includes a second motor (21), the second motor (21) is fixedly installed on the inner top of the bottom block (8), an output shaft is fixed to the top of the second motor (21), a rotating base (22) is fixedly installed on the top of the second motor (21) through the output shaft, rotating blocks (23) are fixedly installed on both sides of the rotating base (22), second balls (24) are rotatably installed at the bottom of the rotating blocks (23), and a rectangular block (25) is slidably installed at the bottom of the second balls (24); The installation mechanism (3) includes a base (34), the base (34) is fixedly installed on the bottom front of the back plate (5), mounting plates (33) are fixedly installed on both sides of the top of the base (34), a second bidirectional threaded rod (36) is rotatably installed inside the mounting plates (33), a connecting rod (32) is fixedly installed on the left side of the second bidirectional threaded rod (36), a handle (31) is fixedly installed on the left side of the connecting rod (32), a threaded sleeve (35) is threadedly installed on the outer surface of the second bidirectional threaded rod (36), a second sliding rod (37) is slidably installed at the bottom of the threaded sleeve (35) through the second bidirectional threaded rod (36), and a pin (38) is fixedly installed at the bottom of the threaded sleeve (35).

2. A bearing clearance detection device according to claim 1, Characterized in that: A side plate (7) is fixedly installed on the outside of the rectangular block (25), a circular ring groove is opened at the position of the side plate (7) corresponding to the second ball (24), and the second ball (24) is slidably installed on the side plate (7) through the circular ring groove.

3. A bearing clearance detection device according to claim 1, Characterized in that: The clamping mechanism (1) includes a first bidirectional threaded rod (194). The first bidirectional threaded rod (194) is rotatably installed inside a rotating base (22). A second bevel gear (16) is fixedly installed on the outer surface of the first bidirectional threaded rod (194). A first bevel gear (15) is meshed with the outer surface of the second bevel gear (16). A rotating rod (17) is fixedly installed at the top of the first bevel gear (15). A rotating sleeve (18) is rotatably installed on the outer surface of the rotating rod (17). A second gear (192) is fixedly installed at the top of the rotating rod (17). A first gear (191) is meshed with the outer surface of the second gear (192). A first motor (19) is fixedly installed at the bottom of the first gear (191). A pressing plate (11) is threadedly installed on the outer surface of the first bidirectional threaded rod (194). A rubber block (12) is fixedly installed inside the pressing plate (11). A first sliding rod (13) is slidably installed at the bottom of the pressing plate (11) through a threaded rod. A first ball (14) is rotatably installed at the bottom of the pressing plate (11). A placing block (193) is fixedly installed at the bottom of the bearing (6) through the rotating base (22).

4. The bearing clearance detection device according to claim 3, characterized in that: The pressing plate (11) is slidably installed on the top of the rotating base (22) through balls. The first motor (19) is fixedly installed on the top of the rotating base (22).

5. The bearing clearance detection device according to claim 3, characterized in that: A through hole is formed inside the rotating sleeve (18). The rotating rod (17) is rotatably installed inside the rotating sleeve (18) through the through hole.

6. The bearing clearance detection device according to claim 3, characterized in that: The number of the pressing plates (11) is two. The two pressing plates (11) are symmetrically threadedly installed on the outer surfaces of both sides of the first bidirectional threaded rod (194).

7. The bearing clearance detection device according to claim 1, characterized in that: The number of the threaded sleeves (35) is two. The two threaded sleeves (35) are threadedly installed on both sides of the second bidirectional threaded rod (36).

8. The bearing clearance detection device according to claim 1, characterized in that: A slot is formed inside the support rod (9). A sliding groove is formed inside the threaded sleeve (35). A second sliding rod (37) is slidably installed inside the threaded sleeve (35) through the sliding groove.

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