Bearing positioning device for bearing fault diagnosis

Abstract

The utility model relates to the technical field of bearing diagnosis equipment, in particular to a bearing positioning device for bearing fault diagnosis, which comprises a rack and a positioning component, the positioning component comprises a guide post, a first disc, a second disc, two connecting pieces, an expansion arm and a driving component, the guide post is fixedly connected with the rack and is positioned on one side of the rack, and the first disc is fixedly connected with the second disc; the first disc is arranged on the outer side of the guide column in a sleeving mode and is in sliding connection with the guide column, the second disc is arranged on the outer side of the guide column in a sleeving mode and is in sliding connection with the guide column, one ends of the two connecting rods are rotationally connected with the first disc and the second disc respectively, and the other ends of the two connecting rods are rotationally connected with the expansion arms. And the driving component drives the first disc and the second disc to move simultaneously, so that the problems that in the prior art, the bearing is mostly positioned in a clamping manner, the outer ring of the bearing is inconvenient to rotate during detection, the detection of the running state of the bearing is limited, and the accurate evaluation of the performance and the fault is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing diagnosis equipment, in particular to a bearing positioning device for bearing fault diagnosis. Background Art

[0002] Bearing is an important component in mechanical equipment. Its main function is to support the mechanical rotating body, reduce its friction coefficient during movement, and ensure its rotation accuracy. When repairing the bearing, fault diagnosis and processing are required. The existing technology is relatively rigid. No positioning processing is performed during fault diagnosis, which makes it easy for incomplete detection to occur, affecting the judgment results and causing unnecessary safety hazards. In addition, a large amount of dust and debris will be generated during the detection, which can easily affect normal detection.

[0003] The prior art CN216116754U discloses a bearing positioning device for bearing fault diagnosis, including a base, two fixed columns fixedly connected to the top of the base, a positioning box installed on the top of the fixed columns, a fixed component installed inside the positioning box, the fixed component including a first rack and a second rack. The utility model has beneficial effects and increases efficiency: a fixed component is provided to realize positioning operation, facilitate subsequent fault detection, avoid position offset, and cause deviation in detection data; a dust collection bin, a handle, a limit slide rail and a roller are provided to facilitate manual cleaning, avoid blockage of the equipment, and extend the service life of the equipment; a second electric telescopic rod, a processing component, a fixed column and a first electric telescopic rod are provided, and the positioning box is driven to move upward by the upward movement of the output end of the first electric telescopic rod, meeting the requirements for detecting bearings of different thicknesses.

[0004] With regard to existing bearing positioning devices, since most of them use clamping to position the bearings, the outer ring of the bearing is not easy to rotate during testing, which limits the detection of its operating status and thus affects the accurate assessment of performance and faults. Utility Model Content

[0005] The purpose of the utility model is to provide a bearing positioning device for bearing fault diagnosis, which solves the problem that in the prior art, since most of the bearings are positioned in the form of clamping, the outer ring of the bearing is not easy to rotate during detection, which limits the detection of its operating status and thus affects the accurate evaluation of performance and faults.

[0006] To achieve the above object, the present utility model provides a bearing positioning device for bearing fault diagnosis, which includes a frame and a positioning assembly. The positioning assembly includes a guide post, a first disc, a second disc, two connecting members, an expansion arm and a driving member. The guide post is fixedly connected to the frame and is located on one side of the frame. The first disc is sleeved outside the guide post and is slidably connected to the guide post. The second disc is sleeved outside the guide post and is slidably connected to the guide post. One ends of the two connecting rods are respectively rotatably connected to the first disc and the second disc, and the other ends of the two connecting rods are rotatably connected to the expansion arm. The driving member drives the first disc and the second disc to move simultaneously.

[0007] Wherein, the driving member includes a driving motor and a control screw. The control screw is rotatably connected to the frame and is threadedly connected to the first disc and the second disc respectively. The driving motor is installed at the bottom of the frame. The output shaft of the driving motor is fixedly connected to the control screw.

[0008] Wherein, the positioning assembly further includes a positioning chuck. The positioning chuck is fixedly connected to the frame and is slidably connected to the expansion arm.

[0009] Wherein, the positioning assembly further includes a limiting plate. The limiting plate is fixedly connected to the guide post and is rotatably connected to the control screw.

[0010] Wherein, the bearing positioning device for bearing fault diagnosis further includes universal wheels and a push handle. The universal wheels are fixedly connected to the frame and are located at the bottom of the frame. The push handle is fixedly connected to the frame and is located on one side of the frame.

[0011] A bearing positioning device for bearing fault diagnosis of the present utility model includes a frame and a positioning assembly. The positioning assembly includes a guide post, a first disc, a second disc, two connecting members, an expansion arm and a driving member. The guide post is fixedly connected to the frame and is located on one side of the frame. The first disc is sleeved outside the guide post and is slidably connected to the guide post. The second disc is sleeved outside the guide post and is slidably connected to the guide post. One ends of the two connecting rods are respectively rotatably connected to the first disc and the second disc, and the other ends of the two connecting rods are rotatably connected to the expansion arm. The driving member drives the first disc and the second disc to move simultaneously, which solves the problem that in the prior art, since most of the bearings are positioned in a clamping form, during detection, the outer ring of the bearing is not easy to rotate, which limits the detection of its operating state, thereby affecting the performance and the accurate evaluation of faults. Description of the Drawings

[0012] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the bearing positioning device for bearing fault diagnosis in the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the driving member in the first embodiment of the present utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the bearing positioning device for bearing fault diagnosis in the second embodiment of the present utility model.

[0016] In the figure: 101 - frame, 102 - guide post, 103 - first disc, 104 - second disc, 105 - connecting rod, 106 - expansion arm, 107 - driving motor, 108 - control screw, 109 - positioning chuck, 110 - limiting plate, 201 - universal wheel, 202 - push handle. Detailed implementation manners

[0017] The following will describe in detail the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0018] The first embodiment of the present application is as follows:

[0019] Please refer to Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of the overall structure of the bearing positioning device for bearing fault diagnosis in the first embodiment of the present utility model, Figure 2 It is a schematic diagram of the structure of the driving member in the first embodiment of the present utility model.

[0020] The bearing positioning device for bearing fault diagnosis of the present utility model includes a frame 101, a guide post 102, a first disc 103, a second disc 104, two connecting rods 105, an expansion arm 106, a driving motor 107, a control screw 108, a positioning chuck 109, and a limiting plate 110, which solves the problem that in the prior art, since most of the bearings are positioned in a clamping form, during detection, the outer ring of the bearing is not easy to rotate, restricting the detection of its operating state, thus affecting the performance and the accurate assessment of faults. Through the foregoing solution, the problem of improving the practicability can also be solved.

[0021] In this embodiment, the frame 101 is a rectangular table body, and is installed on the frame 101 through the positioning component, so as to realize the positioning of the bearing, solving the problem that in the prior art, since the bearing is mostly positioned in a clamping form, during detection, the outer ring of the bearing is not convenient to rotate, restricting the detection of its operating state, thus affecting the accurate evaluation of its performance and faults.

[0022] Among them, the guide post 102 is fixedly connected to the frame 101 and is located on one side of the frame 101. The first disc 103 is sleeved outside the guide post 102 and is slidably connected to the guide post 102. The second disc 104 is sleeved outside the guide post 102 and is slidably connected to the guide post 102. One ends of the two connecting rods 105 are respectively rotatably connected to the first disc 103 and the second disc 104, and the other ends of the two connecting rods 105 are rotatably connected to the expansion arm 106. The driving member drives the first disc 103 and the second disc 104 to move simultaneously. The guide post 102 is a smooth cylinder, and the number is four. They are all perpendicular to the top surface of the frame of 101 and are arranged in a ring shape. The first disc 103 is an annular disc, and a through hole corresponding to the guide post 102 is opened in the middle. The first disc 103 is sleeved on the guide post 102 through the through hole and can slide freely along the guide post 102. The second disc 104 is the same as the first disc 103 and is also sleeved on the guide post 102, located above the first disc 103. The two connecting rods 105 are arranged in a V shape, and the ends are respectively connected to the first disc 103, the second disc 104 and the expansion arm 106 through pins. The number of the expansion arms 106 is multiple, and they are respectively connected to the first disc 103 and the second disc 104 through multiple groups of the connecting rods 105. The driving member can drive the first disc 103 and the second disc 104 to move simultaneously in opposite directions. During positioning, the bearing is sleeved outside the multiple expansion arms 106. Under the drive of the driving member, the first disc 103 and the second disc 104 approach each other. Under the action of the multiple groups of connecting rods 105, the multiple expansion arms 106 are forced to expand outwards synchronously. The multiple expansion arms 106 firmly abut against the inner ring of the bearing, so as to realize the positioning of the bearing. The outer ring of the bearing can rotate freely, which is convenient for detection, solving the problem that in the prior art, since the bearing is mostly positioned in a clamping form, during detection, the outer ring of the bearing is not convenient to rotate, restricting the detection of its operating state, thus affecting the accurate evaluation of its performance and faults.

[0023] Secondly, the control screw 108 is rotatably connected to the frame 101 and is threadedly connected to the first disc 103 and the second disc 104 respectively; the drive motor 107 is mounted at the bottom of the frame 101; the output shaft of the drive motor 107 is fixedly connected to the control screw 108, and a mounting hole is provided in the middle of the frame 101. The control screw 108 passes through the mounting hole and is connected to the frame 101 through a bearing so that the control screw 108 can rotate. The control screw 108 is a bidirectional screw with opposite thread directions at both ends. The first disc 103 and the second disc 104 are both provided with threaded through holes, and the two are respectively sleeved on both ends of the control screw 108 through the threaded through holes. The drive motor 107 is fixed to the bottom of the frame 101 by bolts for driving the control screw 108 to rotate. The control screw 108 is driven to rotate by the drive motor 107, thereby driving the first disc 103 and the second disc 104 to move in opposite directions at the same time.

[0024] At the same time, the positioning chuck 109 is fixedly connected to the frame 101 and is slidably connected to the expansion arm 106. The positioning chuck 109 is an annular disc, fixedly mounted on the top of the frame 101, and sleeved on the outside of the control screw 108. The top surface of the positioning chuck 109 is provided with a plurality of limiting grooves, and the plurality of limiting grooves are arranged in a ring, corresponding to the plurality of expansion arms 106 respectively. The bottom ends of the plurality of expansion arms 106 extend into the limiting grooves. The limiting grooves can limit the expansion arms 106, reduce the shaking of the expansion arms 106 during the outward expansion process, and improve stability through the positioning chuck 109.

[0025] In addition, the limit plate 110 is fixedly connected to the guide column 102 and is rotatably connected to the control screw 108. The limit plate 110 is disc-shaped and is located at the top of the guide column 102. It is connected to the four guide columns 102 to fix it. The top of the control screw 108 is rotatably connected to the limit plate 110 through a bearing, so that the end of the control screw 108 is supported and more stable. The limit plate 110 is installed on the top of the guide column 102, thereby limiting the second disc 104 and preventing the second disc 104 from detaching from the guide column 102.

[0026] In this embodiment, during use, the bearing to be detected is sleeved outside the plurality of expansion arms 106. Then, the driving motor 107 is controlled to act. The driving motor 107 rotates to drive the control screw 108 to rotate, causing the first disc 103 and the second disc 104 to approach each other. Under the action of the multiple groups of connecting rods 105, the plurality of expansion arms 106 are forced to expand outward synchronously. The plurality of expansion arms 106 firmly abut against the inner ring of the bearing, thereby realizing the positioning of the bearing. After the bearing is positioned in this application, it does not affect the rotation of the outer ring of the bearing, facilitating the detection of the bearing, and solving the problem in the prior art that since the bearing is mostly positioned in a clamping form, the outer ring of the bearing is not easy to rotate during detection, restricting the detection of its operating state, and thus affecting the accurate evaluation of performance and faults.

[0027] The second embodiment of this application is as follows:

[0028] Please refer to Figure 3 , Figure 3 which is a schematic diagram of the overall structure of the bearing positioning device for bearing fault diagnosis according to the second embodiment of the present utility model. On the basis of the first embodiment, the bearing positioning device for bearing fault diagnosis in this embodiment further includes universal wheels 201 and a push handle 202.

[0029] In this embodiment, the bearing positioning device for bearing fault diagnosis further includes universal wheels 201 and a push handle 202, and the mobility of the device can be improved through the foregoing solution.

[0030] Among them, the universal wheels 201 are fixedly connected to the frame 101 and are located at the bottom of the frame 101; the push handle 202 is fixedly connected to the frame 101 and is located on one side of the frame 101. The universal wheels 201 have a self-locking function and are fixed to the support legs of the frame 101 by bolts, facilitating the flexible movement of the frame 101. The push handle 202 is installed on the side of the frame 101, facilitating the control of the moving direction. Through the push handle 202 and the universal wheels 201, the overall device can be moved flexibly, thereby improving the mobility. [[ID=IS]]

[0031] The above-disclosed are only one or more preferred embodiments of this application, and the scope of rights of this application cannot be limited thereby. Those of ordinary skill in the art can understand the entire or partial processes of implementing the above embodiments, and the equivalent changes made according to the claims of this application still fall within the scope covered by this application.

Claims

1. A bearing positioning device for bearing fault diagnosis, comprising a frame, characterized in that, it further comprises a positioning assembly; The positioning assembly includes a guide post, a first disc, a second disc, two connecting members, an expansion arm and a driving member. The guide post is fixedly connected to the frame and is located on one side of the frame. The first disc is sleeved outside the guide post and is slidably connected to the guide post. The second disc is sleeved outside the guide post and is slidably connected to the guide post. One end of each of the two connecting rods is rotatably connected to the first disc and the second disc respectively, and the other ends of the two connecting rods are rotatably connected to the expansion arm. The driving member drives the first disc and the second disc to move simultaneously.

2. The bearing positioning device for bearing fault diagnosis according to claim 1, characterized in that, The driving member includes a driving motor and a control screw. The control screw is rotatably connected to the frame and is threadedly connected to the first disc and the second disc respectively; the driving motor is installed at the bottom of the frame; the output shaft of the driving motor is fixedly connected to the control screw.

3. The bearing positioning device for bearing fault diagnosis according to claim 1, characterized in that, The positioning assembly further includes a positioning chuck. The positioning chuck is fixedly connected to the frame and is slidably connected to the expansion arm.

4. The bearing positioning device for bearing fault diagnosis according to claim 2, characterized in that, The positioning assembly further includes a limit plate. The limit plate is fixedly connected to the guide post and is rotatably connected to the control screw.

5. The bearing positioning device for bearing fault diagnosis according to claim 1, characterized in that, The bearing positioning device for bearing fault diagnosis further includes universal wheels and a push handle. The universal wheels are fixedly connected to the frame and are located at the bottom of the frame; the push handle is fixedly connected to the frame and is located on one side of the frame.

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