CN215373813U

CN215373813U - Bearing clearance measuring device

Info

Publication number: CN215373813U
Application number: CN202121646966.4U
Authority: CN
Inventors: 刘莲
Original assignee: Wuxi Jingbida Industrial Technology Co ltd
Current assignee: Wuxi Jingbida Industrial Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-31
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to a bearing play measuring device, it includes the workstation, connects mounting bracket on the workstation, connects the tester on the mounting bracket, be connected with the objective table that is used for placing the bearing on the workstation, be connected with on the workstation and compress tightly the subassembly, compress tightly the subassembly including connecting bracing piece, the rotation of workstation upper surface and connect in the clamping ring of bracing piece, be connected with elastic component between bracing piece and the clamp plate, the clamping ring compresses tightly this application through elastic component's effort and has the effect of realizing the quick locking to the bearing on the bearing inner race.

Description

Bearing clearance measuring device

Technical Field

The application relates to the field of bearing detection, in particular to a bearing clearance measuring device.

Background

The bearing play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner ring or the outer ring is fixed, and then the non-fixed bearing play is moved in the radial direction or the axial direction. The bearing play can be divided into radial play and axial play, depending on the direction of movement. During operation, the size of the bearing play has a certain influence on the rolling fatigue life, noise, vibration and other properties of the bearing.

Chinese patent publication No. CN104374284A discloses a bearing radial internal clearance measuring instrument, which comprises a horizontal base and a support fixed on the horizontal base, wherein a through hole is formed in the support, a tester is arranged in the through hole, the tester is fixed by a lock nut at the top end of the support, an elastic chuck fixed by a bolt is arranged at the other side of the horizontal base, a round hole is formed in the middle of the elastic chuck, and a conical screw is arranged in the round hole.

With respect to the related art in the above, the inventors consider that: during the measurement process, the bearing is sleeved on the elastic chuck, the conical screw is inserted into the hole of the elastic chuck, then the contact of the tester is aligned to the outer ring of the bearing and is contacted with the outer ring of the bearing, and the average value processing is carried out on the data recorded by the tester. Because a large amount of bearing play needs to be detected, the speed of manually locking the bearing by an operator is low, and a large amount of manpower is consumed. Along with the increase of working time, operating personnel is tired, easily leads to locking effect to reduce, influences measuring result.

SUMMERY OF THE UTILITY MODEL

In order to realize the quick locking to the bearing to improve the efficiency that detects, this application provides a bearing play measuring device.

The application provides a bearing play measuring device adopts following technical scheme:

the utility model provides a bearing play measuring device, includes the workstation, connects mounting bracket, the tester of connection on the mounting bracket on the workstation, be connected with the objective table that is used for placing the bearing on the workstation, be connected with on the workstation and compress tightly the subassembly, compress tightly the subassembly including connecting bracing piece, the rotation of workstation upper surface and connect in the clamping ring of bracing piece, be connected with elastic component between bracing piece and the clamp plate, the clamping ring compresses tightly on the bearing inner race through elastic component's effort.

Through adopting above-mentioned technical scheme, during the test, operating personnel places the bearing on the workstation earlier, and the pulling clamping ring can realize getting of bearing and put, and the simple operation has realized compressing tightly fast and the quick replacement to the bearing, then, the driving piece orders about linkage tester towards the bearing motion, aims at the bearing inner race until the contact of tester, can begin to measure, has improved the efficiency that detects.

Optionally, the elastic component comprises a connecting shaft and a torsion spring, the connecting shaft is fixedly connected to the top of the supporting rod, the torsion spring is sleeved on the supporting rod, the connecting shaft and the torsion spring are horizontally arranged, the connecting shaft penetrates through the compression ring, the compression ring is in running fit with the connecting shaft, one end of the torsion spring is abutted to the supporting rod, and the other end of the torsion spring is abutted to the compression ring.

By adopting the technical scheme, the pressing ring rotates around the connecting shaft, the torsion spring exerts acting force on the pressing ring, so that the pressure limiting ring is pressed on the bearing inner ring, and the stability of the bearing inner ring is improved.

Optionally, the mounting bracket and the workbench are matched in a sliding manner, and a driving piece for driving the mounting bracket to slide is connected to the workbench.

Through adopting above-mentioned technical scheme, the bearing of being convenient for place, reduce the possibility of the instrument of gouging when placing the bearing.

Optionally, the objective table includes a base fixedly connected to the upper surface of the workbench, and a limit table in threaded connection with the base, wherein the outer diameter of the limit table is equal to the inner diameter of the bearing, and the limit table and the base are coaxial.

Through adopting above-mentioned technical scheme, spacing platform provides direction and spacing for placing of bearing, has further improved the stability of bearing.

Optionally, the support rod is a telescopic rod, the support rod comprises a rod sleeve fixedly connected to the base and a rod body slidably inserted in the rod sleeve, and the rod sleeve is in threaded connection with a limit bolt for tightly abutting against the rod body.

Through adopting above-mentioned technical scheme, the bracing piece is the telescopic link, can adjust the height of clamping ring, is applicable to the bearing of different specifications, has enlarged application scope.

Optionally, be connected with the lifting unit who is used for adjusting the tester height on the mounting bracket, lifting unit establishes the motion seat on the lead screw including rotating the lead screw, the rotation cover of connecting in the mounting bracket, the vertical setting of lead screw, motion seat and lead screw-thread fit, the vertical cooperation of sliding of motion seat and mounting bracket, the tester is connected in the motion seat, the end connection of mounting bracket has and is used for driving lead screw pivoted driving motor.

Through adopting above-mentioned technical scheme, the height of tester is adjusted to lifting unit, has realized carrying out the play to bearing different positions and has measured, has further improved the accuracy of test.

Optionally, the workbench is provided with a guide groove along the sliding direction of the mounting frame, and the mounting frame is fixedly connected with a guide block which slides in the guide groove.

Through adopting above-mentioned technical scheme, the guide way leads for the slip of guide block to the motion to the mounting bracket leads, has improved the stability of mounting bracket motion process.

Optionally, a cushion pad is connected to the bottom surface of the pressing ring.

Through adopting above-mentioned technical scheme, the blotter makes the additional contact be flexible contact between clamp plate and the bearing, has reduced because rigid contact leads to the possibility that clamping ring and bearing wear each other.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during testing, an operator firstly places the bearing on the workbench, the bearing can be taken and placed by pulling the pressing ring, the operation is convenient, the quick pressing and quick replacement of the bearing are realized, then the driving piece drives the linkage tester to move towards the bearing until a contact of the tester is aligned with the outer ring of the bearing, the measurement can be started, and the detection efficiency is improved;

2. the torsion spring exerts acting force on the pressing ring to enable the pressure limiting ring to be tightly pressed on the bearing inner ring, and the stability of the bearing inner ring is improved;

3. the limiting table provides guidance and limitation for the placement of the bearing, and the stability of the bearing is further improved.

Drawings

Fig. 1 is a schematic structural view of a bearing play measuring apparatus according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a stage according to an embodiment of the present application.

Description of reference numerals: 1. a work table; 101. a driving cylinder; 102. a guide groove; 2. a mounting frame; 201. a base plate; 202. mounting a rod; 2021. accommodating grooves; 3. a tester; 4. an object stage; 401. a base; 402. a limiting table; 5. a guide block; 6. a support bar; 601. a rod sleeve; 6011. a limit bolt; 602. a rod body; 7. pressing a ring; 701. an adapter plate; 702. a cushion pad; 703. a handle; 8. a connecting shaft; 801. a transfer seat; 9. a torsion spring; 10. a lead screw; 11. a motion base; 12. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses bearing play measuring device. Referring to fig. 1, the bearing play measuring device comprises a workbench 1 supported on the ground, wherein an installation frame 2 is connected to the upper surface of the workbench 1 in a sliding manner, and a tester 3 is connected to the installation frame 2. The upper surface of the workbench 1 is bolted with a driving piece, and the driving piece is a driving cylinder 101. The telescopic link fixed connection who drives actuating cylinder 101 in mounting bracket 2, the telescopic link that drives actuating cylinder 101 sets up in parallel with the length direction of workstation 1.

Referring to fig. 1, an object stage 4 is connected to the upper surface of the table 1, and the object stage 4 is located on a side of the mounting frame 2 away from the driving member. The upper surface of the workbench 1 is connected with a pressing component which presses the bearing on the objective table 4.

During the test, operating personnel places the bearing on workstation 1 earlier, and this moment, compresses tightly the inner circle that the subassembly compressed tightly the bearing, then, drives actuating cylinder 101 drive mounting bracket 2 and to the bearing motion to 3 orientation bearing motion of linkage tester, the contact of tester 3 is contradicted the bearing inner race, can begin to measure, has improved the efficiency that detects.

Referring to fig. 1, in order to improve the stability of the mounting frame 2 in the motion process, a guide groove 102 is formed in the upper surface of the worktable 1 along the length direction of the telescopic rod of the driving cylinder 101, and the guide groove 102 is a dovetail groove. The mounting frame 2 is fixedly connected with a guide block 5 which slides in the guide groove 102, and the guide block 5 is a dovetail block. The guide slot 102 and the guide block 5 cooperate to provide guidance and limit to the movement of the mounting bracket 2.

Referring to fig. 1, the pressing assembly comprises a supporting rod 6 and a pressing ring 7, and the supporting rod 6 is connected to the upper surface of the workbench 1 and is vertically arranged. The support rod 6 is located the one side that the driving piece is kept away from to objective table 4, and support rod 6 is the telescopic link. The supporting rod 6 comprises a rod sleeve 601 and a rod body 602, and the rod sleeve 601 is fixedly connected to the upper surface of the workbench 1. The lower part of the rod body 602 is slidably inserted into the rod sleeve 601, the rod sleeve 601 is in threaded connection with a limit bolt 6011, and the limit bolt 6011 abuts against the side wall of the rod body 602.

Referring to fig. 1 and 2, the pressing ring 7 is located above the stage 4, an adapter plate 701 is fixedly connected to the circumferential wall of the pressing ring 7, the adapter plate 701 is rotatably connected to the top surface of the rod 602, and an elastic assembly is connected between the support rod 6 and the adapter plate 701. The elastic component comprises a connecting shaft 8 and a torsion spring 9, and the connecting shaft 8 is horizontally arranged. Both ends of connecting axle 8 all fixedly connected with adapter 801, adapter 801 fixed connection is at the upper surface of body of rod 602.

Referring to fig. 1 and 2, the pressing ring 7 is horizontally disposed, the connecting shaft 8 penetrates through the adapter plate 701, the adapter plate 701 rotates around the axis of the connecting shaft 8, and the adapter plate 701 and the adapter 801 are in rotating fit. The adapter plate 701 is provided with a mounting groove, the torsion spring 9 is sleeved on the connecting shaft 8, and the torsion spring 9 is positioned in the mounting groove. One end of the torsion spring 9 abuts against the top surface of the rod body 602, and the other end abuts against the top surface of the pressing ring 7.

The operator pulls the pressing plate, the torsion spring 9 elastically deforms, and the bearing is placed on the objective table 4. Then, the pressing plate is loosened, the elastic potential energy of the torsion spring 9 is released, the pressing ring 7 is driven to rotate around the axis of the connecting shaft 8 until the pressing ring 7 is pressed on the inner ring of the bearing, the bearing is further quickly pressed, the locking effect is guaranteed when the operation is convenient, and the accuracy of the measuring result is further guaranteed.

Referring to fig. 1, the bottom surface of the pressing ring 7 is glued with a cushion pad 702, the cushion pad 702 is a rubber pad, and the pressing ring 7 and the bearing are prevented from colliding with each other and further being damaged when the inner ring of the bearing is pressed. In addition, in order to facilitate the operator to pull the pressing ring 7, a handle 703 is fixedly connected to the upper surface of the pressing ring 7.

Referring to fig. 1 and 3, the stage 4 includes a base 401 and a stopping block 402, and the base 401 is fixedly attached to the upper surface of the table 1. The bottom of the limit table 402 is connected to the workbench 1 through a thread, and the limit table 402 and the base 401 are coaxially arranged. The external diameter of spacing platform 402 and the internal diameter of bearing equal, and spacing platform 402 provides spacing and direction for placing of bearing, has improved the stability of bearing.

An operator can rotate the limiting table 402 to adjust the height of the limiting table 402, so that the device is suitable for bearings of different specifications, and the application range is expanded.

Referring to fig. 1, the mounting frame 2 includes a bottom plate 201 slidably connected to the upper surface of the workbench 1, and a mounting rod 202 fixedly connected to the upper surface of the bottom plate 201, the mounting rod 202 is vertically disposed, and the telescopic rod of the driving cylinder 101 is fixedly connected to the side wall of the bottom plate 201.

Referring to fig. 1, in order to adjust the height of the tester 3, a lifting assembly is connected to the mounting frame 2, and the lifting assembly includes a screw 10 and a motion base 11. Installing rod 202 is close to one side of objective table 4 and is opened there is holding tank 2021, and the vertical setting of lead screw 10, and is located holding tank 2021, and the both ends of lead screw 10 all rotate through the bearing and connect in the inner wall of holding tank 2021. The top bolt of installation pole 202 has connect the driving motor 12 of vertical setting, and the output shaft of driving motor 12 extends to in the holding tank 2021, and with lead screw 10 coaxial fixed.

Referring to fig. 1, the moving seat 11 is rotatably sleeved on the screw rod 10 and is in threaded fit with the screw rod 10, and the moving seat 11 is located in the accommodating groove 2021 and is in sliding fit with the mounting rod 202 through the accommodating groove 2021. The tester 3 is fixedly attached to the side wall of the motion block 11 facing the stage 4.

The driving motor 12 is started, the output shaft of the driving motor 12 drives the screw rod 10 to rotate, the moving seat 11 is driven to vertically slide, and the height of the moving seat 11 is adjusted, so that the height adjustment of the tester 3 is realized, and the testing requirements of testing at different positions are met.

The implementation principle of the bearing clearance measuring device in the embodiment of the application is as follows: during testing, an operator firstly holds the handle 703, pulls the pressing plate open, and then places the bearing on the base 401, and the bearing is sleeved on the limiting table 402. Then, the pressing plate is released, at the moment, the elastic potential energy of the torsion spring 9 is released, and the pressing ring 7 is driven to rotate around the axis of the connecting shaft 8 until the pressing ring 7 is pressed on the inner ring of the bearing. Open and drive actuating cylinder 101, the telescopic link drive mounting bracket 2 motion of driving actuating cylinder 101 to 3 orientation bearing movements of linkage tester, the contact alignment bearing outer lane until tester 3 can begin to measure, has improved the efficiency that detects.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bearing play measuring device, includes workstation (1), connects mounting bracket (2) on workstation (1), connects tester (3) on mounting bracket (2), its characterized in that: be connected with objective table (4) that are used for placing the bearing on workstation (1), be connected with on workstation (1) and compress tightly the subassembly, compress tightly the subassembly including connecting bracing piece (6), the rotation of workstation (1) upper surface and connect in clamping ring (7) of bracing piece (6), be connected with elastic component between bracing piece (6) and the clamp plate, clamping ring (7) compress tightly on the bearing inner race through elastic component's effort.

2. A bearing play measuring device according to claim 1, characterized in that: elastic component includes connecting axle (8), the cover at bracing piece (6) top and establishes torsional spring (9) on bracing piece (6) including fixed connection, connecting axle (8) and pressure spring all are the level setting, clamping ring (7) are worn to establish in connecting axle (8), clamping ring (7) and connecting axle (8) normal running fit, bracing piece (6) are contradicted to the one end of torsional spring (9), and clamping ring (7) are contradicted to the other end.

3. A bearing play measuring device according to claim 1, characterized in that: the mounting bracket (2) and the workbench (1) are matched in a sliding mode, and a driving piece used for driving the mounting bracket (2) to slide is connected to the workbench (1).

4. A bearing play measuring device according to claim 1, characterized in that: the object stage (4) comprises a base (401) fixedly connected to the upper surface of the workbench (1) and a limiting table (402) in threaded connection with the base (401), the outer diameter of the limiting table (402) is equal to the inner diameter of the bearing, and the limiting table (402) and the base (401) are coaxial.

5. A bearing play measuring device according to claim 1, characterized in that: the utility model discloses a telescopic pole, including bracing piece (6), bracing piece (6) are the telescopic link, pole cover (601), the body of rod (602) of inserting in pole cover (601) that slide on base (401) including fixed connection, threaded connection has spacing bolt (6011) that is used for supporting tight body of rod (602) on pole cover (601).

6. A bearing play measuring device according to claim 1, characterized in that: be connected with the lifting unit who is used for adjusting tester (3) height on mounting bracket (2), lifting unit establishes motion seat (11) on lead screw (10) including rotating lead screw (10), the rotation cover of connecting in mounting bracket (2), lead screw (10) vertical setting, motion seat (11) and lead screw (10) screw-thread fit, the vertical cooperation of sliding of motion seat (11) and mounting bracket (2), tester (3) are connected in motion seat (11), the end connection of mounting bracket (2) has and is used for driving lead screw (10) pivoted driving motor (12).

7. A bearing play measuring device according to claim 1, characterized in that: the sliding guide device is characterized in that a guide groove (102) is formed in the workbench (1) along the sliding direction of the mounting frame (2), and a guide block (5) which slides in the guide groove (102) is fixedly connected to the mounting frame (2).

8. A bearing play measuring device according to claim 1, characterized in that: the bottom surface of the press ring (7) is connected with a cushion pad (702).