Rolling bearing fault detection device

Abstract

The utility model discloses a rolling bearing fault detection device, and specifically relates to the bearing fault detection technology field, the rolling bearing fault detection device comprises a support platform, a frame plate and a screw rod, the frame plate is fixed on the top end of the support platform, the screw rod is rotatably connected on the inner wall of the frame plate, and the outer wall of the screw rod is provided with a positioning butt joint assembly; the positioning butt joint assembly comprises a sleeving frame plate installed on the outer wall of the screw in a threaded mode, and a driving motor is fixedly installed on one side of the frame plate and used for driving the screw to rotate. And the inner wall of the sleeving frame plate is rotationally connected with a transmission screw rod. According to the utility model, the positioning butt-joint assembly and the gear motor are adopted to drive the transmission screw rod to rotate, the transmission screw rod rotates in the sleeving frame plate, the screw rod carries the sleeving frame plate to move rightwards under the action of threads, the two arc-shaped pressing plates drive the rolling bearing to enable the positioning groove rod to move rightwards, fault detection is rapidly realized, and the rolling bearing positioning butt-joint is more time-saving and labor-saving; and the fault detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing fault detection, and more specifically, to a rolling bearing fault detection device. Background Art

[0002] The main purpose of the rolling bearing fault detection device is to detect the lubrication and operating conditions of various types of rolling and sliding bearings in order to predict and predict the failure of the bearings. This device can be used without disassembling the bearings or stopping the operation of the bearings, and can detect whether there are any faults in the rolling bearings. In the existing public literature, the Chinese patent publication number CN211291999U discloses a rolling bearing fault test device, which can clamp the outer ring of the rolling bearing by setting a bracket, a threaded rod, a rotating handle and a clamping plate, and can drive the inner ring of the rolling bearing to rotate by the turntable by setting a driving motor. By setting a noise detector and a control panel, it can detect whether the sound emitted by the rolling bearing is normal, so that the entire device has the effect of detecting whether the rolling bearing is faulty. However, the fault detection device has the following defects;

[0003] When the fault detection device detects rolling bearing faults, although the bearing can be placed in the specified position, it is difficult to position and assemble the bearing on the shaft. This makes the positioning and docking of the rolling bearing more time-consuming and labor-intensive during the detection of the rolling bearing, resulting in a significant decrease in the fault detection efficiency. This requires a rolling bearing fault detection device. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rolling bearing fault detection device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rolling bearing fault detection device, comprising a supporting platform, a frame plate and a screw, wherein the frame plate is fixed on the top of the supporting platform, the screw is rotatably connected to the inner wall of the frame plate, and the outer wall of the screw is provided with a positioning docking assembly; the positioning docking assembly comprises a sleeve frame plate threadedly mounted on the outer wall of the screw, and a driving motor is fixedly mounted on one side of the frame plate, and the driving motor is used to drive the screw to rotate; a transmission screw is rotatably connected to the inner wall of the sleeve frame plate, and a reduction motor for driving the transmission screw to rotate is fixedly mounted on one side of the sleeve frame plate, and the outer wall of the transmission screw is threadedly connected to two sleeve blocks; an arc pressure plate is fixedly mounted on the top of each of the sleeve blocks, and a rolling bearing is mounted between the two arc pressure plates.

[0006] Preferably, the sleeve frame plate is slidably connected to the frame plate, and the outer wall of the sleeve frame plate is set as a smooth surface. The two sleeve blocks are slidably connected to the sleeve frame plate, and the two threads on the outer wall of the transmission screw are opposite and symmetrical. The inner wall of the rolling bearing is rotatably connected with a positioning groove rod; a cover body is installed above the frame plate, and a noise sensor is fixedly installed on the inner wall of the cover body; a bracket is fixedly connected to one side of the noise sensor. A docking rotating rod is provided on one side of the positioning groove rod, and the docking rotating rod is plugged into the positioning groove rod; one end of the docking rotating rod is coaxially connected to a rotating motor, and a support block is fixedly connected between the rotating motor and the bracket.

[0007] When in use according to the above technical scheme, the reduction motor drives the transmission screw to rotate, and the transmission screw drives the two sleeve blocks to approach each other under the action of the thread transmission force. The two sleeve blocks carry two arc pressure plates to move respectively, and the two arc pressure plates are respectively squeezed on both sides of the rolling bearing. The driving motor drives the screw to rotate inside the frame plate, and the screw carries the sleeve frame plate to move right under the action of the thread. The two arc pressure plates drive the rolling bearing to move the positioning slot rod to the right, and the support block is supported by the bracket, and the support block supports the rotating motor. The docking rotating rod drives the positioning slot rod to rotate, and the positioning slot rod rotates inside the rolling bearing. The noise can indicate whether the rolling bearing has a fault or damage problem.

[0008] Preferably, a positioning assembly is installed under the rolling bearing; the positioning assembly includes an arc-shaped bottom block installed under the rolling bearing, and a connecting support block is welded to the bottom end of the arc-shaped bottom block, and both sides of the rolling bearing are provided with slidingly connected positioning strips; positioning support blocks are fixedly connected to the opposite sides of the two positioning strips, the vertical cross-sectional area of ​​one side of the positioning strip is smaller than the vertical cross-sectional area of ​​the other side, and the positioning strip is made of silicone material.

[0009] When in use according to the above technical solution, the rolling bearing is inserted into the top of the arc-shaped bottom block, and the connecting support block supports the arc-shaped bottom block, and the positioning support block supports the positioning bar. The two positioning bars respectively limit the rolling bearing in the front and rear directions.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model adopts a positioning docking component. The reduction motor drives the transmission screw to rotate. The transmission screw rotates inside the sleeve frame plate. The transmission screw drives the two sleeve blocks to approach each other under the action of the thread transmission force. The screw carries the sleeve frame plate to move right under the action of the thread. The two arc-shaped pressure plates drive the rolling bearing to move the positioning groove rod to the right. The positioning groove rod can dock with the docking rotating rod to quickly realize fault detection. The rolling bearing positioning docking is more time-saving and labor-saving, and the fault detection efficiency is greatly improved;

[0012] 2. The utility model adopts a rolling bearing inserted into the top of the arc-shaped bottom block, and a connecting support block supports the arc-shaped bottom block, and the positioning support block supports the positioning strip. The two positioning strips respectively limit the front and rear positions of the rolling bearing, and quickly locate the rolling bearing to realize fault detection operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the rolling bearing fault detection device of the utility model.

[0014] Figure 2 It is a schematic diagram of the main structure of the positioning and docking assembly of the utility model.

[0015] Figure 3 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0016] Figure 4 It is a side structural schematic diagram of the rolling bearing fault detection device of the utility model.

[0017] Figure 5 It is a schematic diagram of the local structure of the connection between the arc-shaped bottom block and the connecting support block of the utility model.

[0018] The accompanying drawings are marked as follows: 1. Support platform; 2. Frame plate; 3. Screw; 4. Drive motor; 5. Socket frame plate; 6. Transmission screw; 7. Reducer motor; 8. Bushing block; 9. Arc pressure plate; 10. Rolling bearing; 11. Positioning slot rod; 12. Cover body; 13. Noise sensor; 14. Bracket; 15. Docking rod; 16. Rotating motor; 17. Support block; 18. Arc bottom block; 19. Connecting support block; 20. Positioning strip; 21. Positioning support block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] As attached Figure 1-5 A rolling bearing fault detection device is shown, which is provided with a positioning docking assembly. The setting of the positioning docking assembly can enable the positioning groove rod 11 to dock with the docking rotating rod 15, so as to quickly realize fault detection. The rolling bearing positioning and docking is more time-saving and labor-saving, and the fault detection efficiency is greatly improved. The specific structural setting of the positioning docking assembly is as follows.

[0021] In this plan, if Figure 1-3As shown, the positioning docking assembly includes a sleeve frame plate 5 threadedly installed on the outer wall of the screw 3, and a drive motor 4 is fixedly installed on one side of the frame plate 2, and the drive motor 4 is used to drive the screw 3 to rotate; the inner wall of the sleeve frame plate 5 is rotatably connected to a transmission screw 6, and a reduction motor 7 for driving the transmission screw 6 to rotate is fixedly installed on one side of the sleeve frame plate 5, and the outer wall of the transmission screw 6 is threadedly connected to two sleeve blocks 8; an arc pressure plate 9 is fixedly installed on the top of each sleeve block 8, and a rolling bearing 10 is installed between the two arc pressure plates 9.

[0022] When the rolling bearing fault detection device in this embodiment is used, by starting the reduction motor 7, the reduction motor 7 drives the transmission screw 6 to rotate, and the transmission screw 6 rotates inside the sleeve frame plate 5. The transmission screw 6 drives the two sleeve blocks 8 to approach each other under the action of the thread transmission force, and the two sleeve blocks 8 respectively carry two arc-shaped pressure plates 9 to move, and the two arc-shaped pressure plates 9 are respectively squeezed on both sides of the rolling bearing 10, so that the two sides of the rolling bearing 10 can be firmly locked, and then by starting the drive motor 4, the drive motor 4 drives the screw 3 to rotate inside the frame plate 2, and the screw 3 carries the sleeve frame plate 5 to move right under the action of the thread, so that the sleeve frame plate 5 drives the transmission screw 6 to move the two sleeve blocks 8 to the right, and the two arc-shaped pressure plates 9 drive the rolling bearing 10 to move the positioning groove rod 11 to the right, and the positioning groove rod 11 is butt-jointed and inserted on the outer wall of the docking rotating rod 15;

[0023] The support block 17 is supported by the bracket 14, and the support block 17 supports the rotating motor 16. The rotating motor 16 drives the docking rotating rod 15 to rotate, and the docking rotating rod 15 drives the positioning groove rod 11 to rotate. The positioning groove rod 11 rotates inside the rolling bearing 10. After the rolling bearing 10 generates noise, the noise is sensed by the noise sensor 13, and the noise sensor 13 supports the cover body 12. The noise can tell whether the rolling bearing 10 has a fault or damage problem.

[0024] In this plan, if Figure 1-4 As shown, the inner wall of the rolling bearing 10 is rotatably connected with a positioning slot rod 11; a cover body 12 is installed above the frame plate 2, and a noise sensor 13 is fixedly installed on the inner wall of the cover body 12; a bracket 14 is fixedly connected to one side of the noise sensor 13. In order to facilitate the two arc-shaped pressure plates 9 to drive the rolling bearing 10 to move the positioning slot rod 11 to the right, the noise is sensed by the noise sensor 13, and the noise sensor 13 supports the cover body 12, and the noise can know whether the rolling bearing 10 has a fault or damage problem, and know the fault detection.

[0025] A docking rotating rod 15 is provided on one side of the positioning slot rod 11, and the docking rotating rod 15 is plugged into the positioning slot rod 11; one end of the docking rotating rod 15 is coaxially connected to a rotating motor 16, and a support block 17 is fixedly connected between the rotating motor 16 and the bracket 14. In order to support the support block 17 through the bracket 14, the support block 17 supports the rotating motor 16, the rotating motor 16 drives the docking rotating rod 15 to rotate, and the docking rotating rod 15 drives the positioning slot rod 11 to rotate, and the rolling bearing 10 generates noise and then the noise sensor 13 performs noise sensing, realizes high-speed rotation, and thus realizes noise detection.

[0026] In this plan, if Figure 3-5 As shown, a positioning assembly is installed below the rolling bearing 10; the positioning assembly includes an arc-shaped bottom block 18 installed below the rolling bearing 10, and a connecting support block 19 is welded to the bottom end of the arc-shaped bottom block 18, and both sides of the rolling bearing 10 are provided with slidably connected positioning bars 20; the opposite sides of the two positioning bars 20 are fixedly connected with positioning support blocks 21, the vertical cross-sectional area of ​​one side of the positioning bar 20 is smaller than the vertical cross-sectional area of ​​the other side thereof, and the positioning bar 20 is made of silicone material;

[0027] According to the upper structure, when in use, the rolling bearing 10 is inserted into the top of the arc-shaped bottom block 18, and the connecting support block 19 supports the arc-shaped bottom block 18, the arc-shaped bottom block 18 supports the rolling bearing 10, and the positioning support block 21 supports the positioning bar 20. The two positioning bars 20 respectively limit the front and rear positions of the rolling bearing 10, and can firmly position the rolling bearing 10.

[0028] The noise sensor 13 is a RS485 noise sensor.

[0029] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rolling bearing fault detection device, comprising a support platform (1), a frame plate (2) and a screw rod (3), wherein the frame plate (2) is fixed on the top of the support platform (1), and the screw rod (3) is rotatably connected to the inner wall of the frame plate (2), characterized in that: The outer wall of the screw rod (3) is provided with a positioning docking assembly; The positioning docking assembly comprises a sleeve frame plate (5) threadedly mounted on the outer wall of the screw rod (3), and a drive motor (4) is fixedly mounted on one side of the frame plate (2), and the drive motor (4) is used to drive the screw rod (3) to rotate; The inner wall of the sleeve frame plate (5) is rotatably connected to a transmission screw (6); a reduction motor (7) for driving the transmission screw (6) to rotate is fixedly installed on one side of the sleeve frame plate (5); and the outer wall of the transmission screw (6) is threadedly connected to two sleeve blocks (8); An arc-shaped pressing plate (9) is fixedly mounted on the top of each sleeve block (8), and a rolling bearing (10) is mounted between the two arc-shaped pressing plates (9).

2. A rolling bearing fault detection device according to claim 1, characterized in that: The sleeve frame plate (5) is slidably connected to the frame plate (2), and the outer wall of the sleeve frame plate (5) is configured as a smooth surface.

3. A rolling bearing fault detection device according to claim 1, characterized in that: The two sleeve blocks (8) are both slidably connected to the sleeve frame plate (5), and the two threads on the outer wall of the transmission screw rod (6) are opposite and symmetrically arranged.

4. A rolling bearing fault detection device according to claim 1, characterized in that: The inner wall of the rolling bearing (10) is rotatably connected with a positioning groove rod (11); A cover body (12) is installed above the frame plate (2), and a noise sensor (13) is fixedly installed on the inner wall of the cover body (12); A bracket (14) is fixedly connected to one side of the noise sensor (13).

5. A rolling bearing fault detection device according to claim 4, characterized in that: A docking rotating rod (15) is provided on one side of the positioning groove rod (11), and the docking rotating rod (15) is plugged into the positioning groove rod (11); One end of the docking rotating rod (15) is coaxially connected to a rotating motor (16), and a support block (17) is fixedly connected between the rotating motor (16) and the bracket (14).

6. A rolling bearing fault detection device according to claim 1, characterized in that: A positioning assembly is installed below the rolling bearing (10); The positioning assembly comprises an arc-shaped bottom block (18) installed below the rolling bearing (10), and a connecting support block (19) is welded to the bottom end of the arc-shaped bottom block (18), and both sides of the rolling bearing (10) are provided with positioning strips (20) for sliding connection; Positioning support blocks (21) are fixedly connected to opposite sides of the two positioning strips (20).

7. A rolling bearing fault detection device according to claim 6, characterized in that: The vertical cross-sectional area of ​​one side of the positioning strip (20) is smaller than the vertical cross-sectional area of ​​the other side thereof, and the positioning strip (20) is made of a silicone material.

Images