CN211953989U

CN211953989U - Detection apparatus for bearing axial play detects

Info

Publication number: CN211953989U
Application number: CN202020848684.1U
Authority: CN
Inventors: 蔡世英; 郑得印; 耿康
Original assignee: Wuxi Lijun Bearing Co ltd
Current assignee: Wuxi Lijun Bearing Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-11-17
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a detection apparatus for bearing axial play detects, which comprises a substrate, base plate bottom fixedly connected with supporting seat, the guide post of two symmetric distributions of base plate top fixedly connected with, two be equipped with the horizontal pole between the guide post top, the horizontal pole both ends respectively with two guide post fixed connection, threaded hole is seted up at the horizontal pole top, threaded hole inside threaded connection has perpendicular screw rod. The utility model discloses a place the bearing overcoat on accepting the board, rotate the runner again and can drive the clamping ring and move down, drive the endotheca and move down and drive the movable cover under the pillar effect and move down, press liquid to the tubule inside, accessible tubule liquid level rises reaction axial internal clearance, rotates the runner and can remove the pillar to each position of endotheca bottom, and repetitive operation can judge the axis internal clearance change difference of endotheca each point according to the change difference of liquid level again, makes the testing result more accurate comprehensive.

Description

Detection apparatus for bearing axial play detects

Technical Field

The utility model relates to a bearing detection area, in particular to detection device that bearing axial play detected.

Background

The bearing play is also referred to as bearing clearance. The bearing play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner sleeve or the outer sleeve is fixed, and then the unfixed bearing play is moved in the radial direction or the axial direction. According to the moving direction, the bearing clearance can be divided into a radial clearance and an axial clearance, and the size of the clearance can affect the rolling fatigue life, the temperature rise, the noise, the vibration and other performances of the bearing, so that the detection of the bearing clearance is very important.

However, in the prior art, because the processing of the inner sleeve and the outer sleeve of the bearing has errors, the axial clearances of each point of the bearing have certain differences, which affects the precision of the detection of the axial clearances, and the axial clearance detection equipment in the prior art cannot detect the axial clearance differences of each point of the bearing, can only detect when the whole inner sleeve moves, and has inaccurate results.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a detection device for detecting the axial play of a bearing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a detection device that bearing axial play detected.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a detection apparatus for bearing axial play detects, includes the base plate, base plate bottom fixedly connected with supporting seat, two symmetric distribution's of base plate top fixedly connected with guide post, two be equipped with the horizontal pole between the guide post top, the horizontal pole both ends respectively with two guide post fixed connection, threaded hole is seted up at the horizontal pole top, the inside threaded connection of screw hole has perpendicular screw rod, erect screw rod top fixedly connected with runner, it has the clamp plate to erect the screw rod bottom through bearing swing joint, the hole has been seted up on the clamp plate surface, the clamp plate cup joints through hole and two equal activities of guide post, clamp plate bottom fixedly connected with clamping ring.

The utility model discloses a rotary press, including base plate, barrel, spring, barrel, pivot, clamping ring, base plate top fixedly connected with barrel, the barrel is located the clamping ring bottom, the inside liquid that has filled of barrel, barrel one side is provided with the tubule, tubule bottom and barrel fixed connection and with the inside intercommunication of barrel, the barrel top sets up the opening, be equipped with the movable cover in the opening, movable cover bottom fixedly connected with spring, wall fixed connection in spring and the barrel, movable cover top fixedly connected with quarter butt, the change has been cup jointed in the activity on the quarter butt, change one side is provided with fastening bolt, the change opposite side is provided with adjustment mechanism, adjustment mechanism includes L shape pole, horizontal threaded rod, guide bar, knob and pillar, barrel top edge is equipped with four supporting mechanism, supporting mechanism includes branch and accepts the.

Preferably, the L-shaped rod comprises a long block and a short block, the long block and the short block are integrally arranged, and one end, far away from the short block, of the long block is fixedly connected with the side face of the rotating ring.

Preferably, horizontal threaded rod both ends respectively with change and short piece swing joint, horizontal threaded rod one end runs through the short piece and extends to the short piece outside, the knob is fixed to be set up and is located short piece outside one end at horizontal threaded rod, the guide bar both ends respectively with change and short piece fixed connection, the pillar bottom cup joints with the guide bar activity simultaneously with horizontal threaded rod threaded connection.

Preferably, the bottom end of the supporting rod is fixedly connected with the edge of the top of the barrel, the bearing plate is located at the top of the supporting rod, a strip-shaped hole is formed in the surface of the bearing plate, a screw is arranged in the strip-shaped hole, and the bearing plate is fixedly connected with the supporting rod through the screw.

Preferably, the diameter of the movable cover is matched with that of the opening, and a rubber ring is fixedly arranged on the side wall of the movable cover.

Preferably, the surface of the tubule is provided with scale marks, and the tubule is made of transparent materials.

By adopting the technical scheme, the method has the following beneficial effects:

the bearing outer sleeve is placed on the bearing plate, the rotating wheel is rotated to drive the compression ring to move downwards, the inner sleeve is driven to move downwards and drive the movable cover to move downwards under the action of the support, liquid is pressed into the thin tube, axial play can be reflected by the rise of the liquid level of the thin tube, the support can be moved to each position of the bottom of the inner sleeve by rotating the rotating ring, repeated operation is carried out, the axis play change difference of each point of the inner sleeve can be judged according to the change difference of the liquid level, the detection result is more accurate and comprehensive, the position of the support can be adjusted by screwing the knob, the inner sleeve with different diameters can be adapted.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the joint plate provided by the present invention.

In the figure: the device comprises a base plate 1, a guide post 2, a cross rod 3, a vertical threaded rod 4, a rotating wheel 5, a pressing plate 6, a pressing ring 7, a cylinder 8, liquid 9, a thin tube 10, a movable cover 11, a short rod 12, a rotating ring 13, a fastening bolt 14, an L-shaped rod 15, a transverse threaded rod 16, a guide rod 17, a knob 18, a support post 19, a support rod 20, a bearing plate 21, a rubber ring 22 and a spring 23.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-3, the device for detecting axial play of a bearing of the present invention comprises a base plate 1, a supporting seat is fixedly connected to the bottom of the base plate 1, two symmetrically distributed guide posts 2 are fixedly connected to the top of the base plate 1, a cross rod 3 is arranged between the top ends of the two guide posts 2, two ends of the cross rod 3 are respectively fixedly connected to the two guide posts 2, a threaded hole is formed in the top of the cross rod 3, a vertical threaded rod 4 is connected to the inside of the threaded hole by a thread, a rotating wheel 5 is fixedly connected to the top end of the vertical threaded rod 4, a pressing plate 6 is movably connected to the bottom end of the vertical threaded rod 4 by a bearing, a hole is formed in the surface of the pressing plate 6, the pressing plate is movably sleeved with the two guide posts 2 by the hole, a pressing ring 7 is fixedly connected to the bottom of the pressing plate 6, the rotating wheel, the axial clearance measuring device is used for measuring the axial clearance, during actual application, the pressing ring 7 is fixedly connected with the pressing plate 6 through the bolt group, and the pressing ring 7 is provided with various specifications to adapt to bearings of different specifications.

The top of the base plate 1 is fixedly connected with a cylinder 8, the cylinder 8 is positioned at the bottom of a compression ring 7, liquid 9 is filled in the cylinder 8, the color of the liquid 9 is preferably set to be striking color, the liquid level of the liquid 9 is flush with the bottom surface of a movable cover 11, a thin tube 10 is arranged on one side of the cylinder 8, the bottom end of the thin tube 10 is fixedly connected with the cylinder 8 and is communicated with the inside of the cylinder 8, the movable cover 11 moves downwards to drive the liquid level in the thin tube 10 to rise, during practical application, a round hole is arranged at the top of the thin tube 10 to enable the internal air pressure of the thin tube 10 to be consistent with the external air pressure, an opening is arranged at the top of the cylinder 8, the movable cover 11 is internally provided with the movable cover 11, a spring 23 is fixedly connected with the bottom wall of the cylinder 8, a short rod 12 is fixedly connected with the top of the movable cover, the other side of the rotary ring 13 is provided with an adjusting mechanism, the adjusting mechanism comprises an L-shaped rod 15, a transverse threaded rod 16, a guide rod 17, a knob 18 and a support column 19, the edge of the top of the cylinder 8 is provided with four supporting mechanisms, and the supporting mechanisms comprise supporting rods 20 and bearing plates 21.

Preferably, the L-shaped rod 15 comprises a long block and a short block, the long block and the short block are integrally arranged, one end, far away from the short block, of the long block is fixedly connected with the side face of the rotating ring 13, and the long block is horizontally arranged and used for installing a transverse threaded rod 16 and a guide rod 17.

Preferably, both ends of the transverse threaded rod 16 are respectively movably connected with the rotary ring 13 and the short block, one end of the transverse threaded rod 16 penetrates through the short block and extends to the outer side of the short block, the knob 18 is fixedly arranged at one end of the transverse threaded rod 16, which is located at the outer side of the short block, both ends of the guide rod 17 are respectively fixedly connected with the rotary ring 13 and the short block, the bottom end of the strut 19 is in threaded connection with the transverse threaded rod 16 and is movably sleeved with the guide rod 17, the rotation of the knob 18 is facilitated to drive the guide rod 17 to move, the adaptability to bearing inner sleeves with different diameters is facilitated, and.

Preferably, 20 bottom of branch and 8 top edges fixed connection of barrel, accept the board 21 and be located 20 tops of branch, accept the board 21 surface and seted up the bar hole, the bar downthehole portion is equipped with the screw, accepts the board 21 and passes through screw and 20 fixed connection of branch, through setting up the adjustable position of accepting the board 21 in bar hole, is favorable to adapting to the bearing overcoat of different diameters.

Preferably, the diameter of the movable cover 11 is matched with the diameter of the opening, and the rubber ring 22 is fixedly arranged on the side wall of the movable cover 11, so that the sealing performance of the edge of the movable cover 11 is improved.

Preferably, the surface of the tubule 10 is provided with scale marks, and the tubule 10 is made of transparent material, so that the observation and recording are convenient.

The working principle is as follows:

firstly, a bearing is placed on a bearing plate 21, the bottom edge of an outer sleeve is aligned with the bearing plate 21, an inner sleeve is aligned with a support column 19, a rotating wheel 5 is rotated to drive a vertical threaded rod 4 to rotate downwards, a pressing ring 7 is further driven to press down the inner sleeve of the bearing to be detected, the inner sleeve vertically moves downwards to the lowest point, the inner sleeve moves downwards to drive the support column 19 to move downwards, so that a movable cover 11 can be pushed to move downwards, liquid 9 in a cylinder 8 can be compressed, the liquid level of the liquid 9 in a thin tube 10 is raised, the rising difference value is recorded, then the rotating ring 13 is rotated to recover the initial position, the support column 19 recovers the initial height under the action of a spring 23, then the rotating ring 13 is rotated after a fastening bolt 14 is unscrewed, the support column 19 is rotated to the other position of the bottom of the inner sleeve, the same operation is repeated.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a detection apparatus that bearing axial play detected, includes base plate (1), its characterized in that: the supporting base is fixedly connected to the bottom of the base plate (1), two guide posts (2) which are symmetrically distributed are fixedly connected to the top of the base plate (1), a cross rod (3) is arranged between the top ends of the two guide posts (2), two ends of the cross rod (3) are respectively fixedly connected with the two guide posts (2), a threaded hole is formed in the top of the cross rod (3), a vertical threaded rod (4) is in threaded connection with the inside of the threaded hole, a rotating wheel (5) is fixedly connected to the top end of the vertical threaded rod (4), a pressing plate (6) is movably connected to the bottom end of the vertical threaded rod (4) through a bearing, a hole is formed in the surface of the pressing plate (6), the pressing plate (6) is movably sleeved with the two guide posts (2) through the hole, and a pressing ring (7) is fixedly;

base plate (1) top fixedly connected with barrel (8), barrel (8) are located clamping ring (7) bottom, barrel (8) inside is filled with liquid (9), barrel (8) one side is provided with tubule (10), tubule (10) bottom and barrel (8) fixed connection just with barrel (8) inside intercommunication, barrel (8) top sets up the opening, be equipped with movable cover (11) in the opening, movable cover (11) bottom fixedly connected with spring (23), wall fixed connection in spring (23) and barrel (8), movable cover (11) top fixedly connected with quarter butt (12), swivel (13) have been cup jointed in the activity on quarter butt (12), swivel (13) one side is provided with fastening bolt (14), swivel (13) opposite side is provided with adjustment mechanism, adjustment mechanism includes L shape pole (15) The novel barrel is characterized by comprising a transverse threaded rod (16), a guide rod (17), a knob (18) and a support column (19), wherein four supporting mechanisms are arranged on the edge of the top of the barrel body (8), and each supporting mechanism comprises a supporting rod (20) and a bearing plate (21).

2. The detection device for detecting the axial play of the bearing according to claim 1, wherein: l shape pole (15) are including long piece and short piece, long piece and short piece integration setting, the long piece is kept away from short piece one end and is rotated (13) side fixed connection.

3. The device for detecting the axial play of a bearing according to claim 2, wherein: horizontal threaded rod (16) both ends respectively with change (13) and short piece swing joint, horizontal threaded rod (16) one end runs through the short piece and extends to the short piece outside, knob (18) are fixed to be set up and are located short piece outside one end in horizontal threaded rod (16), guide bar (17) both ends respectively with change (13) and short piece fixed connection, pillar (19) bottom and horizontal threaded rod (16) threaded connection cup joint with guide bar (17) activity simultaneously.

4. The detection device for detecting the axial play of the bearing according to claim 1, wherein: the supporting rod (20) bottom and barrel (8) top edge fixed connection, it is located supporting rod (20) top to accept board (21), the strip hole has been seted up on accepting board (21) surface, the downthehole portion of strip is equipped with the screw, it passes through screw and supporting rod (20) fixed connection to accept board (21).

5. The detection device for detecting the axial play of the bearing according to claim 1, wherein: the diameter of the movable cover (11) is matched with the diameter of the opening, and a rubber ring (22) is fixedly arranged on the side wall of the movable cover (11).

6. The detection device for detecting the axial play of the bearing according to claim 1, wherein: the surface of the thin tube (10) is provided with scale marks, and the thin tube (10) is made of transparent materials.