CN212620430U

CN212620430U - Bearing ring raceway detection device

Info

Publication number: CN212620430U
Application number: CN202021356738.9U
Authority: CN
Inventors: 李恒; 武彦鑫
Original assignee: Luoyang Wushi Youpin Bearing Technology Co ltd
Current assignee: Luoyang Wushi Youpin Bearing Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-26
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a bearing ring raceway detection device, press from both sides including the pipe chi, be symmetrical arrangement at the first pipe chi at pipe chi both ends and the second pipe chi presss from both sides, be equipped with the calibration ball on the first pipe chi presss from both sides, be equipped with the measurement ball on the second pipe chi presss from both sides, the one end of measurement ball is equipped with the percentage table, first pipe chi presss from both sides the same with the second pipe chi structure, comprises fixed part and measuring part, the fixed part is located the top of measuring part. Has the advantages that: through the disconnect-type design of fixed part and measuring part, cooperation main gag lever post and vice gag lever post are connected and are fixed a position the measuring part, can overturn fast and adjust the position of demarcation ball and measurement ball to the raceway of inside and outside on the adaptation bearing ring, easy operation is convenient, need not to dismantle repeatedly when detecting and adjust and fix a position, is showing and has promoted detection efficiency, has also guaranteed simultaneously and has detected the precision.

Description

Bearing ring raceway detection device

Technical Field

The utility model relates to a bearing ring check out test set technical field, concretely relates to bearing ring raceway detection device.

Background

Bearings are common components in modern mechanical devices. The main function of the bearing is to support the mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision, the bearing ring is an important component of the bearing, in order to assemble the rolling body, the inner wall and the outer wall of the bearing ring are required to be provided with the roller ways, in order to ensure that the rolling body stably moves in the roller ways, the service life of the bearing is prolonged, and the size of the roller ways is required to be detected after the roller ways are machined so as to judge whether the machining requirements are met.

The existing raceway detection method mostly adopts a dial indicator to be matched with a scale for detection, and because inner and outer raceways are formed on the inner wall and the outer wall of the bearing ring respectively, when the detection is carried out, the scale and the dial indicator are frequently required to be repeatedly disassembled, adjusted and repositioned according to the detected raceway position, so that the operation is complex, the detection efficiency is seriously influenced, an error is easily generated in the adjustment process, and the detection precision of the bearing ring is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing ring raceway detection device just for solving above-mentioned problem to when solving among the prior art and examining the raceway on the inner wall to bearing ring and the outer wall, often need dismantle the location again, complex operation has seriously influenced the detection efficiency of equipment, and produces the error easily in accommodation process, and then influences the technical problem of bearing ring's detection precision. The utility model provides a through the disconnect-type design of fixed part and measuring part among the preferred technical scheme among a great deal of technical scheme, cooperation main gag lever post and vice gag lever post are connected and are fixed a position the measuring part, can overturn fast and adjust the position of demarcation ball and measuring ball to the raceway of inside and outside on the adaptation bearing ring, easy operation is convenient, need not to dismantle repeatedly when detecting and adjust and fix a position, is showing and has promoted detection efficiency, has also guaranteed the technological effect of detection precision simultaneously, elaborates in detail below.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a bearing ring raceway detection device, include the pipe chi, be the first pipe chi clamp and the second pipe chi clamp of symmetrical arrangement at pipe chi both ends, be equipped with calibration ball on the first pipe chi clamp, be equipped with the measuring ball on the second pipe chi clamp, the one end of measuring ball is equipped with the percentage table, the first pipe chi clamp is the same with the structure of second pipe chi clamp, and by the fixed part with the measuring part constitutes, the fixed part is located the top of measuring part;

a pipe ruler fixing groove is horizontally formed in the top of the fixing part, a vertically-arranged main limiting hole is formed in the center of the bottom surface of the fixing part, vertically-arranged auxiliary limiting holes are symmetrically formed in two sides of the main limiting hole, and a horizontally-arranged transverse positioning hole penetrates through the inner wall of the main limiting hole;

the measuring device is characterized in that a main limiting rod and an auxiliary limiting rod which correspond to the main limiting hole and the auxiliary limiting hole in position are arranged on the top surface of the measuring portion, a locking hole which corresponds to the transverse positioning hole in position is formed in the main limiting rod, a locking nail is arranged on the outer wall of the fixing portion and stretches into the transverse positioning hole and the locking hole, and a measuring fixing groove is formed in the bottom of the measuring portion.

Preferably, the surface of the pipe ruler is provided with identification scales, and the outer wall of the fixing part is provided with a reading groove.

Preferably, a clamping ring is formed on the outer wall of the main limiting rod, a locking ring is installed at the bottom of the main limiting hole, a reset spring is sleeved on the main limiting rod, and the reset spring is located between the clamping ring and the locking ring.

Preferably, the inner wall of the transverse positioning hole is provided with a positioning clamping groove, and the outer wall of the locking nail is formed with a positioning bulge matched with the positioning clamping groove.

Preferably, the auxiliary limiting hole is in clearance fit with the auxiliary limiting rod.

Preferably, two upper locking protrusions which are symmetrically arranged are arranged above the fixing groove of the tube ruler in the fixing part, the two upper locking protrusions are connected through upper locking screws, two lower locking protrusions which are symmetrically arranged are arranged below the measuring fixing groove in the measuring part, and the two lower locking protrusions are connected through lower locking screws.

Has the advantages that: through the disconnect-type design of fixed part and measuring part, cooperation main gag lever post and vice gag lever post are connected and are fixed a position the measuring part, can overturn fast and adjust the position of demarcation ball and measurement ball to the raceway of inside and outside on the adaptation bearing ring, easy operation is convenient, need not to dismantle repeatedly when detecting and adjust and fix a position, is showing and has promoted detection efficiency, has also guaranteed simultaneously and has detected the precision.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of the present invention;

FIG. 2 is a structural view of the outer raceway of the bearing ring according to the present invention;

FIG. 3 is a structural view of the inner raceway of the bearing ring according to the present invention;

FIG. 4 is a front view of the first pipe measure clamp of the present invention in a separated state;

FIG. 5 is a front cross-sectional view of the first pipe measure holder of the present invention in a separated state;

fig. 6 is a partial enlarged view of the utility model at a;

FIG. 7 is a side view of a first pipe rule clip of the present invention;

FIG. 8 is a structural view of the first pipe ruler clip of the present invention in the direction A;

fig. 9 is a partial enlarged view of the present invention at B.

The reference numerals are explained below:

1. a dial indicator; 2. a second pipe ruler clamp; 3. marking scales; 4. a pipe ruler; 5. locking nails; 6. a first pipe ruler clamp; 7. a fixed part; 701. a primary limit hole; 702. an upper locking screw; 703. an upper locking protrusion; 704. a pipe ruler fixing groove; 705. transverse positioning holes; 706. an auxiliary limiting hole; 707. positioning the clamping groove; 8. a measuring section; 801. measuring a fixed groove; 802. a main limiting rod; 802a, a snap ring; 802b, a locking hole; 803. an auxiliary limit rod; 804. a lower locking projection; 805. a lower locking screw; 9. calibrating the ball; 10. a measuring ball; 11. a bearing ring; 12. a locking ring; 1201. positioning the projection; 13. a return spring; 14. and (4) reading a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a bearing ring 11 raceway detection device, which comprises a tube ruler 4, a first tube ruler clamp 6 and a second tube ruler clamp 2 symmetrically arranged at two ends of the tube ruler 4, wherein a calibration ball 9 is fixedly installed on the first tube ruler clamp 6 through a bolt fitting nut, a measurement ball 10 is fixedly installed on the second tube ruler clamp 2 through a bolt fitting nut, the calibration ball 9 and the measurement ball 10 are both contacted with the raceway on the bearing ring 11, to ensure the measuring precision of the raceway of the bearing ring 11, one end of the measuring ball 10 is provided with a dial indicator 1, for reading the detection data when the measuring ball 10 is contacted with the raceway of the bearing ring 11, the first pipe ruler clamp 6 and the second pipe ruler clamp 2 have the same structure, in order to ensure the interchangeability between the first pipe ruler clamp 6 and the second pipe ruler clamp 2, the pipe ruler clamps are both composed of a fixing part 7 and a measuring part 8, and the fixing part 7 is positioned above the measuring part 8;

a pipe ruler fixing groove 704 is horizontally formed in the top of the fixing portion 7, threads are formed in the pipe ruler fixing groove 704, the pipe ruler 4 can conveniently penetrate through the pipe ruler fixing groove to be installed and positioned, a main limiting hole 701 which is vertically arranged is formed in the center of the bottom face of the fixing portion 7, auxiliary limiting holes 706 which are vertically arranged are symmetrically formed in two sides of the main limiting hole 701, and a horizontal positioning hole 705 which is horizontally arranged penetrates through the inner wall of the main limiting hole 701;

a main limiting rod 802 and an auxiliary limiting rod 803 which correspond to the main limiting hole 701 and the auxiliary limiting hole 706 in position are integrally formed on the top surface of the measuring part 8, a locking hole 802b which corresponds to the transverse positioning hole 705 is formed on the main limiting rod 802, a locking nail 5 is arranged on the outer wall of the fixing part 7, the locking nail 5 extends into the transverse positioning hole 705 and the locking hole 802b, the main limiting rod 802 and the auxiliary limiting rod 803 respectively extend into the main limiting hole 701 and the auxiliary limiting hole 706 for fixing, the locking nail 5 is inserted from the outer wall of one side of the fixing part 7, the locking nail 5 horizontally penetrates through the transverse positioning hole 705 and the locking hole 802b and then penetrates out from the outer wall of the other side of the fixing part 7 to be fastened by matching with a nut, therefore, the measuring part 8 is connected with the fixing part 7, the bottom of the measuring part 8 is provided with a measuring fixing groove 801, and the measuring fixing groove 801 is internally provided with threads for mounting the calibration ball 9 or the measuring ball 10.

As shown in fig. 1-3, the surface of the pipe ruler 4 is provided with identification scales 3, so that an operator can conveniently position the first pipe ruler clamp 6 and the second pipe ruler clamp 2 during installation, the speed during installation is improved, the outer wall of the fixing portion 7 is provided with a reading groove 14, the reading groove 14 is located in the middle of the fixing portion 7, the scale marks at the current pipe ruler 4 clamp position can be exposed, the operator can conveniently perform data comparison, and the efficiency during installation of the first pipe ruler clamp 6 and the second pipe ruler clamp 2 is further improved.

As shown in fig. 6, a snap ring 802a is formed on the outer wall of the main limiting rod 802, a lock ring 12 is installed at the bottom of the main limiting hole 701 through threads, the lock ring 12 can be conveniently installed and disassembled, a reset spring 13 is sleeved on the main limiting rod 802, the reset spring 13 is located between the snap ring 802a and the lock ring 12, the design is adopted, the reset spring 13 can be driven to be compressed on the lock ring 12 through the snap ring 802a when the main limiting rod 802 moves downwards, so that the main limiting rod 802 is prevented from being separated from the main limiting hole 701, a fixing portion 7 is separated from a measuring portion 8, parts are lost, and the safety of the device during use is improved.

As shown in fig. 9, the inner wall of the transverse positioning hole 705 is provided with two positioning slots 707, the two positioning slots 707 are respectively arranged on the inner walls of the transverse positioning holes 705 at two sides of the main limiting hole 701, the outer wall of the locking pin 5 is formed with a positioning protrusion 1201 matched with the positioning slots 707, and the positions of the locking pin 5 inside the locking hole 802b and the transverse positioning hole 705 can be defined by matching the positioning protrusion 1201 and the positioning slots 707, so that the probability that the locking pin 5 is disengaged from the inside of the fixing portion 7 is reduced, and the connection stability between the fixing portion 7 and the measuring portion 8 is ensured.

As shown in fig. 6, the aperture of the main limiting hole 701 is larger than that of the main limiting rod 802, the arrangement enables a snap ring 802a on the main limiting rod 802 to smoothly extend into the main limiting hole 701, meanwhile, the locking ring 12 can be conveniently installed, the auxiliary limiting hole 706 and the auxiliary limiting rod 803 are in clearance fit, the arrangement enables the auxiliary limiting rod 803 to be accurately arranged in the auxiliary limiting hole 706, accurate positioning is achieved, the auxiliary limiting rod 803 can be prevented from shaking in the auxiliary limiting hole 706, the stability of the fixing portion 7 after being connected with the measuring portion 8 is ensured, and the measuring precision of the device is improved.

As shown in fig. 4, 5, 7 and 8, two upper locking protrusions 703 are symmetrically arranged above the pipe ruler fixing groove 704 in the fixing portion 7, the two upper locking protrusions 703 are connected by an upper locking screw 702, so that after the pipe ruler 4 passes through the pipe ruler fixing groove 704, the two locking protrusions can be connected by the locking screw to clamp the pipe ruler 4, meanwhile, the installation positions of the first pipe ruler clamp 6 and the second pipe ruler clamp 2 on the pipe ruler 4 can be limited, the positioning is convenient during the measurement, two lower locking bulges 804 which are symmetrically arranged are arranged below the measurement fixing groove 801 in the measurement part 8, the two lower locking bulges 804 are connected through lower locking screws 805, after the calibration ball 9 or the measurement ball 10 passes through the measurement fixing groove 801, the two lower locking protrusions 804 are fixed by the lower locking screws 805 to limit the calibration ball 9 and the measurement ball 10.

By adopting the structure, before the device is used, an operator adjusts the positions of the first pipe ruler clamp 6 and the second pipe ruler clamp 2 according to a standard value of a bearing ring 11 to be detected, when the first pipe ruler clamp 6 is adjusted, the first pipe ruler clamp 6 is pushed to slide on the pipe ruler 4, the scale marks on the outer wall of the pipe ruler 4 are read through the reading groove 14 on the outer wall of the fixing part 7 in the sliding process, the upper locking bulge 703 is limited by the upper locking screw 702 after the determination, so that the first pipe ruler clamp 6 is fixed on the pipe ruler 4, the calibration ball 9 passes through the measuring fixing groove 801, the calibration ball 9 is fixed by the lower locking screw 805 matching with the lower locking bulge 804 after the determination of the installation position, the distance from the far end of the calibration ball 9 to the center of the reading groove 14 on the first pipe ruler clamp 6 is recorded as L1, and then the second pipe ruler clamp 2 is adjusted and installed according to the same method, the dial indicator 1 and the measuring ball 10 are arranged in the measuring fixing groove 801 of the second pipe ruler clamp 2, and the distance from the far end of the measuring ball 10 to the center of the reading groove 14 on the second pipe ruler clamp 2 is L2;

when the outer raceway of the bearing ring 11 is measured, an operator puts one end of a calibration ball 9 into a channel on the outer side surface of the bearing ring 11, so that the calibration ball 9 is tightly attached to the channel, then rotates a pipe ruler 4 according to the contact point standard of the calibration ball 9 and the channel, so that a measurement ball 10 is contacted with the channel of the bearing ring 11, the measurement ball 10 presses the dial indicator 1 to rotate, the distance between the center of a first pipe ruler 4 fixing clamp reading groove 14 and the center of a second pipe ruler 4 fixing clamp reading groove 14 is subtracted by L1 and L2 to obtain a measurement value, the operator repeatedly operates the device for several times and records the data of the dial indicator 1, and the detection of the raceway size of the bearing ring 11 can be realized;

when the inner race of the bearing ring 11 is measured, an operator unloads the nut of the locking nail 5 on the outer wall of the fixing part 7 of the first pipe ruler clamp 6, draws the locking nail 5 out of the locking hole 802b and the transverse positioning hole 705, removes the position limitation on the main limiting rod 802, pulls the measuring part 8 downwards, the snap ring 802a on the outer wall of the main limiting rod 802 presses the return spring 13 to contract on the locking ring 12, and enables the auxiliary limiting rod 803 to leave from the inner part of the auxiliary limiting hole 706, then rotates the measuring part 8, enables the calibration ball 9 to rotate to the opposite direction, then loosens the measuring part 8, the return spring 13 resets to drive the main limiting rod 802 to ascend, enables the auxiliary limiting rod 803 to be inserted into the auxiliary limiting hole 706 again, then the operator pushes the measuring part 8 to clamp the fixing part 7, so that the locking hole 802b on the main limiting rod 802 corresponds to the transverse positioning hole 705, and reinserts the locking nail 5 into the locking hole 802b and the transverse positioning hole 705 for limiting, the nut is used for locking and fixing, the connection stability between the fixing part 7 and the measuring part 8 is ensured, then the measuring part 8 on the second pipe ruler clamp 2 is turned over according to the operation, then the calibration ball 9 and the measuring ball 10 are contacted with the inner raceway of the bearing ring 11 and are rotationally measured, the distance between the center of the reading groove 14 of the fixing clamp of the first pipe ruler 4 and the center of the reading groove 14 of the fixing clamp of the second pipe ruler 4 and L1 and L2 are measured values, the measuring part 8 is connected and positioned by matching the main limiting rod 802 and the auxiliary limiting rod 803 through the separated design of the fixing part 7 and the measuring part 8, the positions of the calibration ball 9 and the measuring ball 10 can be rapidly turned over and adjusted to be matched with the inner and outer raceways of the bearing ring 11, the operation is simple and convenient, repeated dismounting, adjustment and positioning are not needed during detection, the detection efficiency of the device is obviously improved, and errors are reduced, the detection precision of the device is improved.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a bearing ring raceway detection device, includes pipe chi (4), is first pipe chi clamp (6) and second pipe chi clamp (2) of symmetrical arrangement at pipe chi (4) both ends, its characterized in that: a calibration ball (9) is arranged on the first pipe ruler clamp (6), a measurement ball (10) is arranged on the second pipe ruler clamp (2), a dial indicator (1) is arranged at one end of the measurement ball (10), the first pipe ruler clamp (6) and the second pipe ruler clamp (2) are identical in structure and are composed of a fixing part (7) and a measurement part (8), and the fixing part (7) is located above the measurement part (8);

a pipe ruler fixing groove (704) is horizontally formed in the top of the fixing portion (7), a vertically-arranged main limiting hole (701) is formed in the center of the bottom face of the fixing portion (7), vertically-arranged auxiliary limiting holes (706) are symmetrically formed in two sides of the main limiting hole (701), and a horizontally-arranged transverse positioning hole (705) penetrates through the inner wall of the main limiting hole (701);

be provided with on the top surface of measuring part (8) with main gag lever post (802) and vice gag lever post (803) that main spacing hole (701) and vice gag lever post (706) position correspond, set up locking hole (802 b) that correspond with horizontal locating hole (705) position on main gag lever post (802), be provided with locking pin (5) on the outer wall of fixed part (7), in locking pin (5) stretched into horizontal locating hole (705) and locking hole (802 b), measurement fixed slot (801) have been seted up to the bottom of measuring part (8).

2. A bearing ring raceway detection device according to claim 1, characterized in that: the surface of pipe chi (4) is equipped with sign scale (3), reading groove (14) have been seted up on the outer wall of fixed part (7).

3. A bearing ring raceway detection device according to claim 1, characterized in that: the anti-theft lock is characterized in that a clamping ring (802 a) is formed on the outer wall of the main limiting rod (802), a locking ring (12) is installed at the bottom of the main limiting hole (701), a reset spring (13) is sleeved on the main limiting rod (802), and the reset spring (13) is located between the clamping ring (802 a) and the locking ring (12).

4. A bearing ring raceway detection device according to claim 1, characterized in that: and a positioning clamping groove (707) is formed in the inner wall of the transverse positioning hole (705), and a positioning protrusion (1201) matched with the positioning clamping groove (707) is formed in the outer wall of the locking nail (5).

5. A bearing ring raceway detection device according to claim 1, characterized in that: the secondary limiting hole (706) is in clearance fit with the secondary limiting rod (803).

6. A bearing ring raceway detection device according to claim 1, characterized in that: two upper locking bulges (703) which are symmetrically arranged are arranged above the inner tube ruler fixing groove (704) of the fixing part (7), the two upper locking bulges (703) are connected through an upper locking screw (702), two lower locking bulges (804) which are symmetrically arranged are arranged below the measuring fixing groove (801) in the measuring part (8), and the two lower locking bulges (804) are connected through a lower locking screw (805).