CN205861030U - Bearing end-play testing agency - Google Patents

Abstract

This utility model discloses a kind of bearing end-play testing agency, including frame, the fixed part the most sheathed for bearing it is provided with in described frame, fixing groove it is provided with in described fixed part, it is provided with abutting part in described fixing groove, described abutting part connects the first drive division that is that driving abutting part moves and that abut with bearing inner race to bearing inner race, it is provided with the pushing part upwardly of the bearing outer ring on fixed part below described fixed part, described frame connects have and abut with bearing outer ring thus detect bearing outer ring and move radially the test section of distance.Being opened by the inner ring of bearing by abutting part, thus the bearing being set on fixed part carries out the fixing of radial direction, decrease due to the radial error between the bearing in fixation procedure and fixed part, the precision of end-play detection is higher.

Description

Bearing end-play testing agency

Technical field

This utility model relates to Bearing testing apparatus field, particularly to a kind of bearing end-play testing agency.

Background technology

Bearing is the critical component that all kinds of electromechanical equipment rotates, the quality of its technical parameter directly the most continuous to electromechanical equipment, Stable and safe operation composition significant impact, after Production of bearing, in order to obtain high-precision bearing, need bearing is every Technical parameter detects, such as bearing axially and radially play.

In prior art, publication No. is that the patent of invention of " CN 104457512A " discloses a kind of bearing end-play inspection Surveying device, it is by being horizontally fixed on bearing on workbench, then by making bearing rotate, then by indicator pair The outer ring contact of bearing, detects the radial direction of bearing in the rotation process of bearing, but this kind of detection device is in detection During, because there is gap between the inner ring of bearing and fixing device, so during bearing end-play detects, This gap will cause the coarse problem of end-play measurement data of bearing.

Utility model content

The purpose of this utility model is to provide the more accurate bearing end-play testing agency of a kind of measurement.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of bearing end-play Testing agency, including frame, described frame is provided with the fixed part the most sheathed for bearing, is provided with solid in described fixed part Determine groove, in described fixing groove, be provided with abutting part, described abutting part connect have drive that abutting part moves to bearing inner race and with The first drive division that bearing inner race abuts, is provided with the pushing away upwardly of the bearing outer ring on fixed part below described fixed part Dynamic portion, described frame connects have and abuts with bearing outer ring thus detect bearing outer ring and move radially the test section of distance.

By using technique scheme, installing to fixed part at bearing, the first drive division drives abutting part to fixing Moving in groove, thus be located on fixed part for bearing holder (housing, cover), after bearing holder (housing, cover) is located on fixed part, the first drive division drives abutting part Move to bearing inner race direction, by abutting part, the inner ring of bearing is opened, thus the bearing being set on fixed part is carried out Fixing radially, decreases due to the radial error between the bearing in fixation procedure and fixed part, it also avoid bearing equally Inner ring impaired；At this during detection, by pushing part by the outer ring of bearing upwardly, then detected by test section The distance that bearing outer ring moves up, it is achieved thereby that the detection of bearing clearance, the radial direction avoiding bearing in the process is moved It is dynamic, so the precision of end-play detection is higher.

As preferably, described test section includes detecting head and driving detection head moves down the second of compression axis bearing outer-ring and drives Dynamic portion, described detection head, abutting part and pushing part are on same vertical direction.

By using technique scheme, by the way of physical contact, the displacement of bearing outer ring is detected, Cooperating with pushing part, thus strengthen accuracy of detection, the second drive division also acts the effect of compression axis bearing outer-ring simultaneously, from And during detection, can following last item bearing outer-ring, it is to avoid bearing is moved downward to end-play by the effect of gravity Lower limit, but by the way of physics pressing, the outer ring controlling bearing moves down, it is to avoid bearing outer ring is owing to gravity is to moving down The problem producing gap during Dong；Detection head, abutting part and pushing part are on same vertical direction, owing to abutting part is opened The position opened is i.e. the diametrical position of bearing, so can preferably detect in the detection head on a vertical direction and pushing part The changed play of bearing diameter position is higher by the accuracy of detection of this kind of set-up mode.

As preferably, described detection head includes second that the first support being connected with frame and the first frame are flexibly connected Contact jaw that support and the second support connect and the test side of the detection contact jaw displacement that the first support connects, described the Two drive divisions drive the second support to move down and make contact jaw compression axis bearing outer-ring.

By using technique scheme, contact jaw serves the effect that the outer ring with bearing carries out abutting, then contacts End detection trigger end detects, and is respectively arranged with the first support and the second support, because the second support not only needs control to connect Contravention is pressed downward against sympodium bearing outer-ring, and after contact jaw is by pushing part active force upwards, the second support of flexible connection also needs Upwards to move, to continue to trigger the test side on the first support and carry out the detection of play distance, this is also by the first support The reason being flexibly connected with the second support.

As preferably, described first drive division includes the 3rd support being connected with frame and is flexibly connected with the 3rd support 4th support, described first drive division drives the 4th support lifting, and described abutting part and the 4th support connect.

By using technique scheme, drive the 4th support to move by the first drive division, serve and will abut Portion carries out the effect lifted, thus is fixed on fixed part by bearing and departs from, and is provided by the 3rd support and the 4th The effect of support, also makes the first drive division and detection head be symmetrical set in frame, it is to avoid frame occurs crooked situation, Avoid affecting the accuracy of detection of bearing.

As preferably, described 4th support and the second support are provided with the first guide pad, described first drive division and Two drive divisions are cylinder, and described cylinder is provided with the second guide pad coordinated with the first guide pad, described first drive division and Second drive division drives abutting block and contact jaw to move up and down respectively.

By use technique scheme, by the cooperation between the first guide pad and the second guide pad, thus control with Realize the movement of short transverse between support and another support that frame connects, bearing served the effect of clamping and detection, Owing between the first guide pad and the second guide pad being inclined-plane cooperation so that guide pad is in moving process, and position adjustments is Gradually carry out according to the movement between guide pad, so positioning precision is more preferable.

As preferably, between described second support and the first support, it is provided with the first flexible connection piece, described first support And move in the height direction, between described 3rd support and the 4th support by the first flexure strip flexible connection with the second support It is provided with the second flexible connection piece, described 3rd support and the 4th support to be flexibly connected and in short transverse by the second flexure strip Upper movement.

By using technique scheme, it is provided by the first flexure strip and the second flexure strip, controls second at cylinder During guide pad is away from the first guide pad, by the abutting part on controller perturbation the 4th support of the second flexure strip to fixing Moving outside portion, serve the effect of fixing bearing inner race, this kind of fixed form is to be reached by the elasticity of the second flexure strip, institute With during fixing compared with the plug-type fixed form of cylinder, the abrasion being effectively reduced on bearing inner race.With Time contact jaw pressing bearing outer ring action reached by the effect of the first flexible connection piece, the first guide pad and the second guide pad Cooperation, control contact jaw move up, put into fixed part for bearing, then the second drive division control the second guide pad away from Second guide pad, the first flexible connection piece needs to reset, thus presses down on bearing outer ring by contact jaw, the most also subtracts Lack the abrasion on bearing outer ring surface, it is to avoid pressure is excessive causes the ball of bearing and Bearing inner impaired.

As preferably, described pushing part includes base, push pedal, the guide pillar being arranged on base, is arranged in push pedal and leads Guide pin bushing that post coordinates, it is arranged on base and promotes the 3rd drive division that moves up of push pedal and be arranged in push pedal and bearing outer ring The abutting post of contact.

By using technique scheme, base serves avoids the 3rd drive division directly to fix the work being connected with frame With, strengthen the fixed and positioned precision of the 3rd drive division, abut post is that the lower surface with bearing outer ring abuts simultaneously, exists simultaneously Being provided with push pedal on 3rd drive division, be additionally provided with guide pillars and bushes in the both sides of push pedal, the cooperation of guide pillars and bushes, to abutting The movement of post and push pedal serves preferable guide effect so that abutting post with bearing outer ring is linear contact lay all the time, it is to avoid support Connect and collide with between the corner angle of post and bearing outer ring.

As preferably, the axially arranged of described fixed part has bearing mount, and described bearing mount is provided with driving The fourth drive part that bearing mount moves to fixed part, described bearing mount is provided with the placing trough placed for bearing, The both sides of described placing trough offer bearing and move into the through hole of fixed part, and described placing trough is arranged relative to the opposite side of fixed part There is the 5th drive division that bearing is pushed fixed part.

By using technique scheme, bearing is mobile to the locating slot of bearing mount by rolling, and then realizes Fixing on locating slot, fourth drive part promotes whole bearing mount to move to fixed part so that bearing alignment is fixing The position in portion, in moving process, fixed part is fed through through hole makes bearing holder (housing, cover) be located on fixed part, then by the of its rear Five drive divisions are fed through the through hole of opposite side, during bearing mount is away from fixed part, are all closed by two through holes Get up, it is to avoid bearing, due to the frictional force between through hole outer ring, falls on locating slot again.

As preferably, the V-shaped setting of described placing trough.

By using technique scheme, the placing trough that V-type is arranged has good centering effect, it also avoid axle simultaneously Hold moving left and right on bearing mount, make the center of the center alignment fixed part of bearing inner race, pacify at bearing Shelving during moving, bearing can just be set on fixed part.

As preferably, the distance bottom the bottom of described placing trough and fixed part more than between the Internal and external cycle of bearing away from From.

By using technique scheme, so during bearing mount collects bearing, when the first drive division drives After dynamic abutting part is mobile in fixing groove, bearing just departs from tensioning state, due to bottom bottom and the fixed part of placing trough away from From more than the distance between the Internal and external cycle of bearing, so in bearing fairly falls in placing trough and being supported by placing trough, work as bearing Installing rack is after the position away from fixed part is moved, and bearing is positioned at placing trough, it is achieved that the disengaging of bearing.

In sum, this utility model has the advantages that and installs to fixed part at bearing, and the first drive division drives Dynamic abutting part moves in fixing groove, thus is located on fixed part for bearing holder (housing, cover), and after bearing holder (housing, cover) is located on fixed part, first drives Dynamic portion drives abutting part to move to bearing inner race direction, is opened by the inner ring of bearing by abutting part, thus will be set in fixing Bearing in portion carries out the fixing of radial direction, decreases due to the radial error between the bearing in fixation procedure and fixed part, with Sample it also avoid the impaired of bearing inner race；At this during detection, by pushing part by the outer ring of bearing upwardly, then lead to Cross the distance that test section detects that bearing outer ring moves up, it is achieved thereby that the detection of bearing clearance, avoid in the process The moving radially of bearing, so the precision of end-play detection is higher.

Accompanying drawing explanation

Fig. 1 is the installation site schematic diagram of embodiment 1；

Fig. 2 is the enlarged diagram of D portion shown in Fig. 1；

Fig. 3 is the structural representation of embodiment 1, is used for embodying detection head, abutting part and pushing part and is in same vertical side Upwards；

Fig. 4 is the enlarged diagram of E portion shown in Fig. 3；

Fig. 5 is the structural representation of bearing mount；

Fig. 6 is the enlarged diagram of F portion shown in Fig. 5, for embodying the shape of placing trough.

In figure, 7, bearing end-play testing agency；71, frame；72, fixed part；721, fixing groove；722, abutting part； 723, the first drive division；724, the 3rd support；725, the 4th support；73, pushing part；731, base；732, push pedal；733, lead Post；734, guide pin bushing；735, post is abutted；736, the 3rd drive division；74, test section；741, detection head；742, the second drive division； 743, the first support；744, the second support；745, contact jaw；746, test side；75, the first guide pad；751, the second guide pad； 76, the first flexible connection piece；77, the second flexible connection piece；78, bearing mount；781, fourth drive part；782, placing trough； 783, through hole；784, the 5th drive division.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment 1: as depicted in figs. 1 and 2, a kind of end-play testing agency 7, including the frame 71 being vertically arranged, machine Frame 71 center on the lower be fixedly connected with similar Step Shaft and for fixing the fixed part 72 of bearing, the axis of Step Shaft Being positioned at horizontal plane, as shown in Figure 4, the axially arranged of Step Shaft has fixing groove 721, fixing groove 721 along Step Shaft radial direction to Interior extension and axially extending along Step Shaft.

As shown in Figures 2 and 3, frame 71 is positioned at the left and right sides above fixed part 72 and has been bolted first respectively Support 743 and the 3rd support 724, the first support 743 and the 3rd support 724 are respectively by the first flexible connection piece 76 and the second bullet Property connect sheet 77 and connect and have the 3rd support 724 and the 4th support 725, the first flexible connection piece 76 and the second flexible connection piece 77 Quantity is all two, and the first flexible connection piece 76 and the second flexible connection piece 77 are for having resilient metallic plate, elect plate as Spring material is made, and the first flexible connection piece 76 and the second flexible connection piece 77 are distributed in the first support 743 He in short transverse On 3rd support 724；After the 3rd support 724 and the 4th support 725 are by the active force of short transverse, metallic plate can occur curved Song, so that the 3rd support 724 and the 4th support 725 are moved in short transverse, after the active force of short transverse is removed, 3rd support 724 and the 4th support 725 will be kept in the center due to the elastic-restoring force of metallic plate.

As it is shown on figure 3, be horizontally arranged with the second drive division 742 on the first support 743, the 3rd support 724 is arranged Having the first drive division 723, the second drive division 742 and the first drive division 723 are cylinder, and the piston rod of cylinder is oppositely arranged, and two Individual cylinder is arranged in height；The one side of the second support 744 and the 4th support 725 frame 71 dorsad is respectively arranged with first lead To block 75, the first guide pad 75 is a cylindrical metal block, is provided with cylinder, gas on the first support 743 and the 3rd support 724 Being provided with the second guide pad 751 coordinated with the first guide pad 75 on the piston rod of cylinder, the second guide pad 751 is a circular cone bench-type Block, and the second guide pad 751 is connected with the piston rod of cylinder, and the small end of the second guide pad 751 is arranged, outwardly when cylinder pushes away After dynamic second guide pad 751 contacts with the side of the second guide pad 751, when cylinder promotes further, it is possible to make the Two frames 71 or the 4th frame 71 overcome the elastic force of flexible connection piece to move in the height direction, control second when cylinder simultaneously After guide pad 751 is away from the first guide pad 75, by the first flexible connection piece 76 and elastic reaction of the second flexible connection piece 77, The second support 744 and the 4th support 725 is made to reply original height.

As shown in Figure 3 and Figure 4, the 4th support 725 connects and has one end to be positioned at the abutting part 722 of fixing groove 721, support Meeting portion 722 is the hook portion that a metal supports, and one end of hook portion bending is positioned at fixing groove 721, vertical one end of uncinus and the Four supports 725 connect, and cylinder can control hook portion and move in fixing groove 721, when cylinder control the second guide pad 751 away from Time, the second flexible connection piece 77 controls hook portion and resets, and the position contacted with bearing inner race in hook portion is provided with ceramic bead, serves Preferably locating effect.

As it is shown on figure 3, be provided with test side 746 on the first support 743, test side 746 is range sensor, and distance passes Sensor can use photoelectricity or mechanical, and in this utility model, range sensor has a telescopic test bar, detection The distance of the most required detection of the distance that rod shrinks, is provided with contact jaw 745 on the second support 744, and contact jaw 745 is a metal Rod, and be detachably connected on the second support 744, the second support 744 is provided with the installing hole coordinated with metal bar, installs Hole serves the effect of height adjusting metal bar, can adjust for different bearings, and the lower end of contact jaw 745 can be with Between the outer ring of bearing contact, the upper end of contact jaw 745 contacts with test bar, the second drive division 742 drive the second support 744 to Lower movement makes contact jaw 745 compression axis bearing outer-ring, when contact jaw 745 moves up, range sensor detect movement away from From, the i.e. end-play of bearing, test section 74 includes detection 741 and drives detection head to move down the of compression axis bearing outer-ring Two drive divisions 742.

As shown in Figure 3 and Figure 5, it is provided with the promotion upwardly of the bearing outer ring on fixed part 72 below fixed part 72 Portion 73, pushing part 73 includes that base 731, base 731 are directly connected to frame 71, is respectively arranged with two in the both sides of base 731 Individual guide pillar 733, is provided above push pedal 732 at base 731, is provided with the 3rd drive division between push pedal 732 and base 731 736, the 3rd drive division 736 is cylinder, and the piston rod of cylinder is fixing with push pedal 732 to be connected, and the shell of cylinder is fixed with base 731 Connect, down-set in the bottom of push pedal 732 have the guide pin bushing 734 coordinated with guide pillar 733, be provided with at the top of push pedal 732 and The abutting post 735 of bearing outer ring contact；Contact jaw 745, abutting part 722 and abutting post 735 are on same vertical direction simultaneously, And three is arranged concentrically.

As shown in Figure 2 and Figure 5, frame 71 is provided with relative to the position of fixed part 72 and can move to fixed part 72 Bearing mount 78, work surface is provided with the guide rail coordinated with bearing mount 78, frame 71 is provided with fourth drive part 781, fourth drive part 781 is cylinder, and the piston rod of cylinder controls bearing mount 78 entirety and moves to fixed part 72, at bearing It is provided with two pieces of clamping plate being oppositely arranged on installing rack 78, forms the gap for bearing process between clamping plate, on two clamping plates Being provided through through hole 783, the size of through hole 783 is more slightly larger than bearing, is provided with the placement placed for bearing between two clamping plates Groove 782, as shown in Figure 6, the V-shaped setting of placing trough 782, placing trough 782 is arranged on the position relative with through hole 783, logical Hole 783 is provided with the 5th drive division 784 relative to the other end of fixed part 72, and the 5th drive division 784 is cylinder, the shell of cylinder Directly on fixing movable stand, the piston rod of cylinder can run through through hole 783 by the bearing between two through holes 783 to fixed part simultaneously 72 promote, thus are fixed on by bearing on fixed part 72, and the distance bottom the bottom of placing trough 782 and fixed part 72 is more than simultaneously Distance between the Internal and external cycle of bearing, thus take off from fixed part 72 for bearing.

The operation principle of embodiment 1 is: be placed on by bearing in placing trough 782, then fourth drive part 781 driving bearing Installing rack 78 moves to fixed part 72, and then bearing through hole 783 from clamping plate is pushed to fix by the 5th drive division 784 action On the multidiameter in portion 72, then the first drive division 723 and the second drive division 742 action, the second guide pad 751 is guided to first Block 75 moves, and makes the 4th support 725 and second move up, is upwards opened by the inner ring of bearing, is fixed on fixed part 72, with Time make contact jaw 745 away from fixed part 72, enter in fixed part 72 for bearing, then the second drive division 742 action, notice contact Holding 745 times last item bearing outer-rings, the lower limit of bearing end-play, then driving bearing outer ring, pushing part 73 are detected in test side 746 Move up, thus test side 746 detects the higher limit of bearing end-play, finally detect the end-play of bearing, so Rear bearing installing rack 78 continues to move to fixed part 72, makes bearing fall on placing trough 782, and then the first drive division 723 drives Abutting part 722 is retracted and is fixed groove 721, and now bearing is supported by placing trough 782, and bearing does not contacts with fixed part 72, works as axle Hold after installing rack 78 leaves, it is achieved that the disengaging of bearing.

Embodiment 2: embodiment 2 is with the difference of embodiment 1, can be by the support of stretching abutting part 722 and drive division Removing, be provided with the elastic components such as spring in fixing groove 721, one end of spring is connected with abutting part 722, the elastic other end and Connect bottom fixing groove 721, after fixed part 72 installed by bearing, by the tension force of spring, the inner ring of bearing is fixed on Determine in portion 72, reduce the gap between bearing inner race and fixed part 72；The operation principle of embodiment 2 is consistent with embodiment 1 simultaneously.

Claims (10)

1. a bearing end-play testing agency, including frame (71), it is characterised in that: described frame is provided with confession on (71) The fixed part (72) that bearing is the most sheathed, is provided with fixing groove (721) in described fixed part (72), in described fixing groove (721) Being provided with abutting part (722), described abutting part (722) connects driving abutting part (722) moves and and axle to bearing inner race Holding the first drive division (723) that inner ring abuts, described fixed part (72) lower section is provided with the bearing outer ring on fixed part (72) Pushing part (73) upwardly, the upper connection of described frame (71) has and abuts with bearing outer ring thus detect bearing outer ring radially shifting The test section (74) of dynamic distance.

Bearing end-play testing agency the most according to claim 1, it is characterised in that: described test section (74) includes inspection Gauge head (741) and driving detection head (741) move down second drive division (742) of compression axis bearing outer-ring, described detection head (741), abutting part (722) and pushing part (73) are on same vertical direction.

Bearing end-play testing agency the most according to claim 2, it is characterised in that: described detection head (741) includes The second support (744) that the first support (743) being connected with frame (71) is flexibly connected with the first frame (71) and second The test side of detection contact jaw (745) displacement that the contact jaw (745) that frame (744) connects is connected with the first support (743) (746), described second drive division (742) drives the second support (744) to move down and makes contact jaw (745) compression axis bearing outer-ring.

Bearing end-play testing agency the most according to claim 3, it is characterised in that: described first drive division (723) Including the 3rd support (724) being connected with frame (71) and the 4th support (725) being flexibly connected with the 3rd support (724), institute Stating the first drive division (723) and drive the 4th support (725) lifting, described abutting part (722) is connected with the 4th support (725).

Bearing end-play testing agency the most according to claim 4, it is characterised in that: described 4th support (725) and Being provided with the first guide pad (75) on second support (744), described first drive division (723) and the second drive division (742) are gas Cylinder, described cylinder is provided with the second guide pad (751) coordinated with the first guide pad (75), described first drive division (723) Drive abutting block and contact jaw (745) to move up and down respectively with the second drive division (742).

Bearing end-play testing agency the most according to claim 4, it is characterised in that: described second support (744) and The first flexible connection piece (76), described first support (743) and the second support (744) it is provided with logical between first support (743) Cross the first flexure strip be flexibly connected and move in the height direction, set between described 3rd support (724) and the 4th support (725) It is equipped with the second flexible connection piece (77), described 3rd support (724) and the 4th support (725) to be flexibly connected by the second flexure strip And move in the height direction.

Bearing end-play testing agency the most according to claim 1, it is characterised in that: described pushing part (73) include the end Seat (731), push pedal (732), the guide pillar (733) being arranged on base (731), it is arranged on that push pedal (732) is upper joins with guide pillar (733) Close guide pin bushing (734), be arranged on base (731) the 3rd drive division (736) promoting push pedal (732) to move up and be arranged on The upper abutting post (735) contacted with bearing outer ring of push pedal (732).

Bearing end-play testing agency the most according to claim 1, it is characterised in that: described fixed part (72) axial It is provided with bearing mount (78), described bearing mount (78) is provided with driving bearing installing rack (78) to fixed part (72) The fourth drive part (781) of movement, described bearing mount (78) is provided with the placing trough (782) placed for bearing, described The both sides of placing trough (782) offer bearing and move into the through hole (783) of fixed part (72), and described placing trough (782) is relative to solid The opposite side determining portion (72) is provided with the 5th drive division (784) that bearing pushes fixed part (72).

Bearing end-play testing agency the most according to claim 8, it is characterised in that: described placing trough (782) is V-shaped Arrange.

Bearing end-play testing agency the most according to claim 9, it is characterised in that: the end of described placing trough (782) The distance of portion and fixed part (72) bottom is more than the distance between the Internal and external cycle of bearing.