CN210664275U - Measuring device for detecting axial clearance of bearing - Google Patents

Measuring device for detecting axial clearance of bearing Download PDF

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Publication number
CN210664275U
CN210664275U CN201922070171.2U CN201922070171U CN210664275U CN 210664275 U CN210664275 U CN 210664275U CN 201922070171 U CN201922070171 U CN 201922070171U CN 210664275 U CN210664275 U CN 210664275U
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CN
China
Prior art keywords
bearing
measuring device
hole
fixed plate
axle
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Expired - Fee Related
Application number
CN201922070171.2U
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Chinese (zh)
Inventor
张磊
邢浩瀚
刘国辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Zonghe Railway Bearing Co ltd
Original Assignee
Beijing Zonghe Railway Bearing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201922070171.2U priority Critical patent/CN210664275U/en
Application granted granted Critical
Publication of CN210664275U publication Critical patent/CN210664275U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a measuring device for detecting bearing axial play, which comprises a base, a fixed plate, a movable shaft and a dial indicator, wherein the fixed plate is vertically arranged on the base, the middle part of the fixed plate is provided with a through hole, the side surface of the fixed plate is detachably connected with a clamping plate, and one side of the fixed plate, which is far away from the clamping plate, is fixedly connected with a positioning ring; the inner ring that removes the axle and be used for passing the bearing that awaits measuring fixes the bearing to pass through-hole and holding ring on the fixed plate, the one end of removing the axle is two semicircle tubular structures, and the center pin position that removes the axle is connected with the threaded rod, the threaded rod sets up between two semicircle pipes, and parallel with the length direction of semicircle pipe, and threaded connection has the toper piece on the threaded rod, and the outside limit butt of toper piece is connected with the percentage table at the medial surface of semicircle pipe, the other end of removing the axle. The utility model has the advantages of simple structure and can be to the reliable fixed effect of bearing.

Description

Measuring device for detecting axial clearance of bearing
Technical Field
The utility model belongs to the technical field of the technique that the bearing detected and specifically relates to a measuring device for be used for detecting bearing axial internal clearance is related to.
Background
The bearing play is a gap between a bearing rolling element and a bearing inner and outer ring housing, and is a so-called bearing play in which, when a bearing is not mounted on a shaft or a bearing housing, one of an inner ring or an outer ring is fixed, and then the other of the bearing play, which is not fixed, is moved in a radial direction or an axial direction, and is divided into a radial play and an axial play according to the direction of movement, and the size of the play during operation (referred to as a working play) has an influence on the performance of the bearing, such as rolling fatigue life, temperature rise, noise, and vibration.
The radial play of the existing rolling bearing is one of important quality indexes of the bearing, and has certain influence on the vibration, the service life, the host precision and the like of the bearing, the axial play measuring instrument belongs to a high-precision automatic loading multifunctional measuring instrument, the reliability and the stability of a measured value completely meet the measuring requirements of the industry on the radial play index of the bearing, the existing radial play measuring device cannot well fix the inner ring and the outer ring of the bearing, the structure is complex, and the enterprise cost is high. Therefore, a bearing axial play measuring instrument which has a simple structure and can reliably fix a bearing is provided in view of the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring device for detecting bearing axial internal clearance, it has simple structure and can be to the reliable fixed advantage of bearing to prior art exists.
The above object of the present invention can be achieved by the following technical solutions:
the measuring device for detecting the axial clearance of the bearing comprises a base, a fixed plate, a movable shaft and a dial indicator, wherein the fixed plate is provided with a through hole, the fixed plate is detachably connected with a clamping plate, and the fixed plate is vertically arranged on a bottom plate; the moving shaft penetrates through a through hole in the fixing plate, one end of the moving shaft is abutted to the dial indicator, and the dial indicator is connected to the base plate in a sliding mode.
Through adopting above-mentioned technical scheme, being surveyed the bearing housing and establishing and fixing on removing the axle, removing the axle and passing the through-hole and make the bearing support and lean on the fixed plate to make the cardboard form fixedly to the outer loop of bearing, exert axial power to removing the axle, make the terminal surface butt that removes axle one end on the percentage table, can make and demonstrate the distance that the bearing inner ring removed on the percentage table, thereby play the effect that detects the axial internal clearance of bearing, simple structure, convenient operation.
The present invention may be further configured in a preferred embodiment as: the one end of removal axle is two semicircle tubular construction, the center pin position of removal axle is connected with the threaded rod, the threaded rod sets up between two semicircle pipes, threaded connection has the toper piece on the threaded rod, the outside limit butt of toper piece is at the medial surface of semicircle pipe.
Through adopting above-mentioned technical scheme, the toper piece is towards bearing runing, and the side butt of its slope is at the medial surface of semicircle pipe to outwards strut the semicircle pipe, make the diameter grow of semicircle pipe, thereby the lateral surface butt of semicircle pipe is bigger at the pressure of bearing inner ring, and it is more firm to make the cover establish the bearing that the semicircle outside of managing of removal axle.
The present invention may be further configured in a preferred embodiment as: the surface of one end of the moving shaft, which deviates from the semicircular pipe, is provided with threads, the side edge of the fixing plate is fixedly connected with a positioning ring, and the moving shaft is in threaded connection with the positioning ring.
By adopting the technical scheme, the moving shaft is arranged in the positioning ring, and the positioning ring and the through hole enable the moving shaft to be in a horizontal state, so that the positioning ring can fix the moving shaft, the condition that two ends of the moving shaft shake up and down is prevented, and the stability of the moving rod in the measuring process is improved; meanwhile, during detection, the movable shaft can be rotated, so that the rotating shaft rotates in the positioning ring through the threads at the end part of the rotating shaft, and the effect of axially moving the movable shaft is achieved.
The present invention may be further configured in a preferred embodiment as: the side of removal axle is provided with the operation hole, it has the action bars to peg graft in the operation hole.
Through adopting above-mentioned technical scheme, the moment when rotating the removal axle can be increased in the setting of action bars to can make operating personnel more laborsaving in the testing process, also can improve the precision when examining.
The present invention may be further configured in a preferred embodiment as: the diameter of the through hole is larger than the diameter of the inner ring of the measured bearing and not larger than the diameter of the outer ring of the measured bearing.
By adopting the technical scheme, the diameter of the through hole is larger than that of the bearing inner ring, so that the inner ring of the bearing cannot be prevented from axially moving along the moving shaft; the diameter of through-hole is less than or equal to the outer loop diameter of bearing, can make the side of fixed plate to the outer loop formation of bearing lean on, and the cooperation baffle can form fixedly to the outer loop of bearing, makes fixed bearing's simple structure reliable.
The present invention may be further configured in a preferred embodiment as: and a rolling shaft is arranged on the lower side edge of the through hole and is connected to the outer surface of the movable shaft in a rolling manner.
Through adopting above-mentioned technical scheme, the roller bearing roll butt that the inboard edge of through-hole set up moves the surface of axle, can make when moving the axle and moving in the axial, reduces the friction with the through-hole lateral wall, improves the life of this device.
The present invention may be further configured in a preferred embodiment as: the height of the rolling shaft is not less than the thickness of the inner side ring of the measured bearing.
Through adopting above-mentioned technical scheme, the roller bearing highly be higher than the thickness of bearing inner ring slightly, can prevent that the inner ring of bearing from leaning on the side at the through-hole, improves the measuring precision.
The present invention may be further configured in a preferred embodiment as: a plurality of supporting frames are arranged between the side edge of the fixing plate and the base.
Through adopting above-mentioned technical scheme, the support frame sets up between fixed plate and base, can play the fixed effect of strengthening to the fixed plate, prevents at the in-process that detects, and the crooked and influence the result that detects of backup pad self, further improves the accuracy that detects.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the bearing to be measured is sleeved on the moving shaft, so that the side edge of the bearing is clamped and fixed through the clamping plate and the fixing plate, the outer ring of the bearing can be fixed, the semicircular pipe on the moving shaft is outwards expanded through the conical plate, and the bearing inner ring sleeved on the semicircular pipe of the moving shaft can be clamped and fixed, so that the effect of fixing the bearing can be achieved through a simpler structure, the manufacturing difficulty of bearing clearance measuring equipment is reduced, and the cost of enterprises for detecting the axial clearance of the bearing is reduced;
2. the fixed plate deviates from the locating ring of one side fixed connection of bearing, can make the pot head that removes the axle establish into the locating ring, can make the removal axle remain the horizontally state throughout, makes the numerical value of connecting the percentage table detection at a removal axle tip more accurate.
Drawings
Fig. 1 is a schematic view of the bearing clamping structure of the present invention.
Fig. 2 is a schematic structural view of the side of the fixing plate facing away from the bearing.
Fig. 3 is a schematic sectional view of the fixing plate of the present invention.
The device comprises reference numbers 1, a base, 11, a screw rod, 12, a supporting block, 13, a crank, 2, a fixing plate, 21, a through hole, 22, a clamping plate, 23, a positioning ring, 24, a rolling shaft, 25, a supporting frame, 3, a moving shaft, 31, a semicircular pipe, 32, a threaded rod, 33, a conical block, 34, a first operating rod, 35, a second operating rod, 4 and a dial indicator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a measuring device for detecting bearing axial internal clearance, including base 1, fixed plate 2, removal axle 3 and percentage table 4. The base 1 is of a rectangular structure, the fixed plate 2 is vertically welded on the base 1, a through hole 21 and a plurality of bolt holes are formed in the fixed plate 2, a clamping plate 22 of a rectangular structure is fixed on the fixed plate 2 through bolts, and the movable shaft 3 penetrates through the through hole 21 in the fixed plate 2; the base 1 is provided with a groove, a screw rod 11 is arranged in the groove, the length of the screw rod 11 is parallel to that of the groove, one end of the screw rod 11 extends out of the groove and is fixedly connected with a handle, the screw rod 11 is rotatably connected with a supporting block 12, the upper part of the supporting block 12 is fixedly connected with the dial indicator 4, and the dial indicator 4 is abutted against one end of the movable shaft 3.
Before detection, the bearing sleeve is sleeved and fixed on the movable shaft 3, the movable shaft 3 penetrates through the through hole 21 in the fixed plate 2, the side edge of the outer ring of the bearing is abutted against the fixed plate 2, the clamping plate 22 is abutted against one side of the bearing, which is far away from the fixed plate 2, and the clamping plate is fastened on the fixed plate 2 through bolts, so that the purpose of fixing the outer ring of the bearing to be detected is achieved; the handle 13 is rotated to enable the screw rod 11 to rotate around the shaft, the side edge of the supporting block 12 which is in threaded connection with the screw rod 11 abuts against the side wall of the groove, the screw rod 11 can rotate to enable the supporting block to move along the length direction of the screw rod 11, and therefore the front-back distance of the dial indicator 4 can be adjusted, and the detection end of the dial indicator 4 abuts against one end face of the moving shaft 3; during detection, force is applied to the moving shaft 3, the moving shaft 3 moves axially, the inner ring of the detected bearing can be driven to form a micro moving distance, the moving shaft 3 abuts against one end portion of the dial indicator 4, the moving distance is transmitted to the detection end of the dial indicator 4, the moving distance of the moving shaft 3 can be displayed, and therefore the effect of detecting the axial clearance of the bearing is achieved.
The diameter of the through hole 21 is larger than the diameter of the inner ring of the measured bearing, so that the inner ring of the bearing is not prevented from moving axially along the moving shaft 3; the diameter of through-hole 21 is not more than the outer ring diameter of survey bearing, can make the side of fixed plate 2 support by to the outer ring formation of bearing, and the cooperation baffle can form fixedly to the outer ring of bearing, makes fixed bearing's simple structure reliable.
One end of the moving shaft 3 is in a structure of two semicircular pipes 31, a threaded rod 32 is coaxially welded at the central axis position of the moving shaft 3, the threaded rod 32 is arranged between the two semicircular pipes 31, a tapered block 33 is connected to the threaded rod 32 in a threaded manner, the side edges of the tapered block 33 are in a tapered structure which inclines oppositely, and the outer side edges of the tapered block abut against the inner side surfaces of the semicircular pipes 31. Rotating conical block 33, making conical block 33 move towards the inboard of semicircle pipe 31 along threaded rod 32, the side of conical block 33 struts the side of arc along with the increase of displacement distance to the outside limit butt of messenger's arc is bigger at the pressure of the inner ring of bearing, makes the joint more firm, improves the stability when detecting.
The outside limit of toper piece 33 is provided with the handle hole, and it has first action bars 34 to peg graft in the handle hole, rotates first action bars 34 and makes toper piece 33 rotate, and the arm of force when multiplicable rotation toper piece 33 like this makes rotation toper piece 33 more laborsaving, improves pivoted moment simultaneously, makes the result of detecting more accurate.
Threads are arranged on the surface of one end, away from the semicircular pipe 31, of the moving shaft 3, a positioning ring 23 is fixedly connected to the side edge of the fixing plate 2, and the moving shaft 3 is in threaded connection with the positioning ring 23; the moving shaft 3 is also provided with an operation hole, and a second operation rod 35 is inserted in the operation hole. The moving shaft 3 is spirally connected in the positioning ring 23, the positioning ring 23 and the through hole 21 enable the moving shaft 3 to be in a horizontal state all the time, the situation that two ends of the moving shaft 3 shake up and down is prevented, and the stability of the moving rod in the measuring process is improved; meanwhile, during detection, the movable shaft 3 can be rotated, so that the rotating shaft can rotate in the positioning ring 23 through the threads at the end part of the rotating shaft, and the effect of axially moving the movable shaft 3 is achieved; the second operating rod 35 can increase the moment when rotating the moving shaft 3, so that the operator can save more labor in the detection process, and the detection precision can be improved.
The lower side of the through hole 21 is provided with a roller 24, the roller 24 is connected on the outer surface of the moving shaft 3 in a rolling way, and the height of the roller 24 is not less than the thickness of the inner ring of the measured bearing. In the detection process, the moving shaft 3 is lapped on the upper surface of the rolling shaft 24, and when the moving shaft 3 moves axially, the friction between the moving shaft and the side wall of the through hole 21 is reduced, so that the service life of the device is prolonged; simultaneously, the roller 24 can lift the moving shaft 3, so that an inner ring of the bearing is prevented from abutting against the side edge of the through hole 21, obstacles in the detection process are reduced, and the measurement precision and efficiency are improved.
Be provided with a plurality of support frame 25 between the side of fixed plate 2 and the base 1, can play the fixed effect of strengthening like this to fixed plate 2, prevent at the in-process that detects, the crooked and influence result that detects of backup pad self, further improve the accuracy that detects.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A measuring device for detecting bearing axial clearance, including base (1), fixed plate (2), removal axle (3) and percentage table (4), its characterized in that: a through hole (21) is formed in the fixing plate (2), a clamping plate (22) is detachably connected to the fixing plate (2), and the fixing plate (2) is vertically arranged on the base (1); the moving shaft (3) penetrates through a through hole in the fixing plate (2), one end of the moving shaft (3) is abutted to the dial indicator (4), and the dial indicator (4) is connected to the base (1) in a sliding mode.
2. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: the one end of removal axle (3) is two semicircle pipe (31) structures, the center pin position of removal axle (3) is connected with threaded rod (32), threaded rod (32) set up between two semicircle pipe (31), threaded connection has toper piece (33) on threaded rod (32), the medial surface of outside limit butt at semicircle pipe (31) of toper piece (33).
3. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: remove axle (3) and deviate from the one end surface of semicircle pipe (31) and be provided with the screw thread, the side fixedly connected with holding ring (23) of fixed plate (2), remove axle (3) threaded connection in holding ring (23).
4. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: the side of the movable shaft (3) is provided with an operation hole, and an operation rod (35) is inserted into the operation hole.
5. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: the diameter of the through hole (21) is larger than the diameter of the inner ring of the measured bearing and not larger than the diameter of the outer ring of the measured bearing.
6. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: and a rolling shaft (24) is arranged on the lower side edge of the through hole (21), and the rolling shaft (24) is connected to the outer surface of the moving shaft (3) in a rolling manner.
7. The measuring device for detecting axial play of a bearing according to claim 6, wherein: the height of the roller (24) is not less than the thickness of the inner ring of the bearing to be measured.
8. The measuring device for detecting axial play of a bearing according to claim 1, characterized in that: a plurality of supporting frames (25) are arranged between the side edge of the fixing plate (2) and the base (1).
CN201922070171.2U 2019-11-25 2019-11-25 Measuring device for detecting axial clearance of bearing Expired - Fee Related CN210664275U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922070171.2U CN210664275U (en) 2019-11-25 2019-11-25 Measuring device for detecting axial clearance of bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922070171.2U CN210664275U (en) 2019-11-25 2019-11-25 Measuring device for detecting axial clearance of bearing

Publications (1)

Publication Number Publication Date
CN210664275U true CN210664275U (en) 2020-06-02

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ID=70820140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922070171.2U Expired - Fee Related CN210664275U (en) 2019-11-25 2019-11-25 Measuring device for detecting axial clearance of bearing

Country Status (1)

Country Link
CN (1) CN210664275U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112747657A (en) * 2021-02-05 2021-05-04 丁珍 Bearing clearance detection system and detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112747657A (en) * 2021-02-05 2021-05-04 丁珍 Bearing clearance detection system and detection method thereof
CN112747657B (en) * 2021-02-05 2022-08-23 山东袁氏精密轴承制造有限公司 Bearing clearance detection system and detection method thereof

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Granted publication date: 20200602