CN219531992U - Angular contact bearing assembly height detection device - Google Patents

Abstract

The utility model discloses an angular contact bearing assembly height detection device which comprises a working platform, wherein a horizontally arranged mounting plate is erected on the working platform, a supporting plate is connected to the lower side of the mounting plate, a balancing weight is movably arranged on the supporting plate, a stepping motor is arranged on the mounting plate, an output shaft of the stepping motor downwards penetrates through the mounting plate and is connected with a rotating block, a bearing jacking mechanism is arranged below the working platform, two upright posts are vertically arranged on the side edges of the bearing jacking mechanism, a horizontally arranged fixing plate is connected to the upper ends of the two upright posts, a vertically arranged linear displacement sensor is arranged on the fixing plate, and a measuring head of the linear displacement sensor vertically downwards abuts against the center of the upper end of the balancing weight. The beneficial effects of the utility model are as follows: the method has the advantages that the plane runout of the inner ring and the outer ring of the angular contact bearing is controlled, the deflection of the inner ring and the outer ring of the angular contact bearing is small and stable, and the high detection precision of the assembly of the angular contact bearing is effectively improved.

Description

Angular contact bearing assembly height detection device

Technical Field

The utility model relates to the technical field of bearing detection, in particular to an angular contact bearing assembly height detection device.

Background

With the increasing popularity of bearing application, the demands of various industries on bearings are greatly increased, the production scale of the bearings is greatly enlarged, the yield is rapidly improved, and the precision requirements on the bearings are also more and more strict. The angular contact bearing, namely the angular contact ball bearing, can bear radial load and axial load at the same time and can work at a higher rotating speed. The greater the contact angle, the higher the axial load carrying capacity, the contact angle being the angle between the line of contact of the ball and the raceway in the radial plane and the perpendicular to the bearing axis. In the production of angular contact bearings, higher demands are made on the precision requirements for their assembly. The conventional angular contact bearing detection method comprises the steps of applying a certain load on an outer ring of the angular contact bearing, keeping the angular contact bearing motionless in the detection process, measuring the height difference between an inner ring and an outer ring of the angular contact bearing, and judging whether the assembly height of the angular contact bearing is qualified or not according to the error range of the measured height difference between the inner ring and the outer ring. However, the conventional method has a problem that the angular contact bearing is subjected to the influence of factors such as an inner ring, an outer ring, balls, a rollaway nest and the like, the inner ring and the outer ring have plane runout in the detection process, the deflection of the inner ring and the outer ring of the angular contact bearing is large, and the assembly accuracy of the detected angular contact bearing is high and relatively low.

Disclosure of Invention

The utility model aims to provide an angular contact bearing assembly height detection device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an angular contact bearing assembly height detection device, includes work platform, work platform erects the mounting panel that the level set up on, the below of mounting panel is connected with the backup pad, the activity is provided with the balancing weight in the backup pad, fang Shuzhi installs step motor on the mounting panel, step motor's output shaft passes the mounting panel downwards and is connected with rotatory piece, rotatory piece sets up in one side of balancing weight, work platform's below is equipped with bearing climbing mechanism, bearing climbing mechanism sets up under the balancing weight, bearing climbing mechanism's side is connected with two stands of vertical setting, two the upper end of stand is higher than the mounting panel, two the upper end of stand is connected with the fixed plate of a level setting, install the linear displacement sensor of vertical setting on the fixed plate, the gauge head of linear displacement sensor vertically downwards and with the upper end center butt of balancing weight.

Further preferably, the bearing jacking mechanism comprises a base, a jacking air cylinder is mounted on the base, a jacking plate which is horizontally arranged is connected to the upper end piston rod end of the jacking air cylinder, a vertically arranged ejector rod is mounted on the jacking plate, a top connecting seat is mounted at the upper end of the ejector rod, and a top is connected to the upper end of the top connecting seat. The jacking cylinder can drive the jacking plate to ascend, so as to drive the ejector rod, the ejector head connecting seat and the ejector head to synchronously ascend, and the angular contact bearing is jacked.

Further preferably, four guide assemblies arranged in a rectangular array are connected between the jacking plate and the base, and the four guide assemblies are respectively arranged at the periphery of the jacking cylinder, so that the jacking plate is stably lifted; the guide assembly comprises a linear bearing and a guide rod, the linear bearing is fixed on the jacking plate, the guide rod is arranged in the linear bearing in a penetrating mode and fixed on the base, and the guide rod moves up and down along the guide rod through the linear bearing to guide the jacking plate.

Further preferably, the four guide assemblies are divided into two groups, and the top ends of two guide rods of each group of guide assemblies are connected with a lifting limiting plate for limiting the lifting height of the lifting plate.

Further preferably, hydraulic buffers are arranged between the limiting plate and the jacking plate and between the jacking plate and the base, and the hydraulic buffers can play roles of buffering and decelerating, so that a protection effect is achieved, and stable lifting of the jacking plate is ensured.

Further preferably, a bearing contact hole is formed in the middle of the lower end of the balancing weight, the bearing contact hole is a step-shaped hole, a step of the bearing contact hole is abutted with the detected outer ring of the angular contact bearing, and the inner ring of the angular contact bearing can continuously ascend to realize error detection of the height difference between the inner ring and the outer ring of the angular contact bearing; be equipped with a plurality of recesses on the step face of bearing contact hole, play the exhaust effect, can prevent that angular contact bearing from influencing the assembly high detection precision of angular contact bearing because of the reaction force that the unable discharge of air leads to when contacting with the bearing contact hole.

Further preferably, the wear-resisting block abutted with the linear displacement sensor is arranged in the middle of the upper end of the balancing weight, so that detection errors caused by abrasion due to long-term abutting of the linear displacement sensor and the balancing weight can be reduced, and the high detection precision of the angular contact bearing assembly is improved.

Further preferably, the mounting plate is provided with a guide hole for the balancing weight to pass through, so that the balancing weight can be lifted, and the balancing weight is lifted and guided.

Further preferably, the outside package of rotatory piece has flexible material, slows down the collision of rotatory piece and balancing weight, guarantees that the balancing weight steadily rotates.

The beneficial effects are that: according to the angular contact bearing assembly height detection device, the rotating block is driven to rotate through the stepping motor, so that the balancing weight can be driven to rotate, the plane runout of the inner ring and the outer ring of the angular contact bearing is controlled, the deflection of the inner ring and the outer ring of the angular contact bearing is small and stable, and the assembly height detection precision of the angular contact bearing can be effectively improved; can jack-up angular contact bearing through bearing climbing mechanism to jack-up angular contact bearing's inner circle, then make angular contact bearing's outer lane and balancing weight butt, drive the balancing weight and rise in step, whether the jack-up height through linear displacement sensor detection balancing weight is in the settlement scope and judges whether the error of angular contact bearing's inner circle and outer lane is in the settlement scope, and then judges whether angular contact bearing's assembly height accords with the standard.

Drawings

FIG. 1 is a schematic view of an axial structure of an angle of view of an angular contact bearing assembly height detection device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an axial structure of another view angle of an angular contact bearing assembly height detection device according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a front view structure of an angular contact bearing assembly height detection device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a structure of a balancing weight, a plug connecting seat and a plug according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a front view of a matching structure of a balancing weight, a plug connecting seat and a plug according to an embodiment of the present utility model;

fig. 6 is a schematic cross-sectional view of A-A of fig. 5.

Reference numerals: the device comprises a 1-working platform, a 2-mounting plate, a 21-guide hole, a 3-support plate, a 4-balancing weight, a 41-bearing contact hole, a 5-stepping motor, a 6-rotating block, a 7-bearing jacking mechanism, a 71-base, a 72-jacking cylinder, a 73-jacking plate, a 74-ejector rod, a 75-ejector connecting seat, a 76-ejector, a 77-guiding component, a 771-linear bearing, a 772-guide rod, a 78-jacking limiting plate, an 8-upright post, a 9-fixing plate and a 10-linear displacement sensor.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 6, an angular contact bearing assembly height detection device is used for detecting whether the assembly height of an angular contact bearing meets the standard. This high detection device of assembly includes work platform 1, and work platform 1 erects the mounting panel 2 that the level set up, and the below of mounting panel 2 is connected with backup pad 3, and the activity is provided with balancing weight 4 in the backup pad 3 for provide the load when the high detection of angular contact bearing adapter, realize the error detection of the difference in height of angular contact bearing inner circle and outer lane, realize the high error measurement of adapter promptly, detect whether the assembly height of angular contact bearing accords with the standard. The vertical step motor 5 of installing plate 2 top, step motor 5's output shaft passes mounting plate 2 downwards and is connected with rotatory piece 6, rotatory piece 6 sets up in one side of balancing weight 4, and rotatory piece 6 rotates through step motor 5 drive, can drive balancing weight 4 and rotate, drives angular contact bearing through balancing weight 4 rotation, and the plane of control bearing inner circle and outer lane beats, guarantees that angular contact bearing's inner circle and outer lane beat is little and stable, improves angular contact bearing's assembly height's detection precision. The below of work platform 1 is equipped with bearing climbing mechanism 7, can jack up angular contact bearing through bearing climbing mechanism 7 to jack up angular contact bearing's inner circle, then make angular contact bearing's outer lane and balancing weight 4 butt, bearing climbing mechanism 7 sets up under balancing weight 4, jack up setting distance through bearing climbing mechanism 7, detects balancing weight 4's jack-up height, whether the error of judging angular contact bearing's inner circle and outer lane is at setting range through detecting balancing weight 4's jack-up height, and then whether judge angular contact bearing's assembly height accords with the standard. The side of bearing climbing mechanism 7 is connected with two stands 8 of vertical setting, and the upper end of two stands 8 is higher than mounting panel 2, and the upper end of two stands 8 is connected with the fixed plate 9 that a level set up, installs the straight line displacement sensor 10 of vertical setting on the fixed plate 9, and the gauge head of straight line displacement sensor 10 is vertical downwards and with the upper end center butt of balancing weight 4, can detect the elevation height of balancing weight 4 through straight line displacement sensor 10, whether the elevation height through detecting balancing weight 4 is in the settlement scope, and then realizes whether the assembly height of angular contact bearing is in standard range. According to the utility model, the rotating block 6 is driven to rotate by the stepping motor 5, the balancing weight 4 is driven to rotate, the plane runout control of the inner ring and the outer ring of the angular contact bearing is realized, the deflection of the inner ring and the outer ring of the angular contact bearing is ensured to be small and stable, and the high detection precision of the rotation of the angular contact bearing is improved.

In the utility model, the bearing jacking mechanism 7 comprises a base 71, a jacking cylinder 72 is arranged on the base 71, a horizontally arranged jacking plate 73 is connected with the upper end piston rod end of the jacking cylinder 72, a vertically arranged ejector rod 74 is arranged on the jacking plate 73, a jacking head connecting seat 75 is arranged at the upper end of the ejector rod 74, and a jacking head 76 is connected with the upper end of the jacking head connecting seat 75. The base 71 is used as a reference surface for mounting each component, so that the mounting stability of each component is ensured; the jacking cylinder 2 can jack up the jacking plate 73, drives the ejector rod 74 to jack up upwards through the jacking plate 73, and then drives the jacking connection seat 75 to synchronously lift up, drives the jacking head 76 to jack up through the jacking connection seat 75, and realizes jacking up the angular contact bearing. Wherein, the lifting of ejector pin 74 is steady can be guaranteed to jacking plate 73, and plug connecting seat 75 can connect not unidimensional plug 76, realizes the jacking to the angular contact bearing of different size specifications, and then realizes the high detection of assembly to the angular contact bearing of different size specifications. Four guide components 77 arranged in a rectangular array are connected between the jacking plate 73 and the base 71, the four guide components 77 are arranged around the jacking cylinder 72, and the lifting stability of the jacking plate 73 is guaranteed through the guide components 77. The guide component 77 comprises a linear bearing 771 and a guide rod 772, the linear bearing 771 is fixed on the jacking plate 73, the guide rod 772 is arranged in the linear bearing 771 in a penetrating mode and is fixed on the base 71, and the linear bearing 771 can slide up and down along the guide rod 772 to ensure stable lifting of the jacking plate 73. Four guide components 77 divide into two sets, and the top of two guide arms 772 of each guide component 77 of group is connected with a jacking limiting plate 78 for linear bearing 771's lift limit, guarantees that bearing jacking mechanism 7's jacking height can not surpass the settlement scope, guarantees that angular contact bearing's by the jacking height in settlement scope, guarantees that angular contact bearing's assembly height detects accurately.

In the utility model, the hydraulic buffers are arranged between the limiting plate 78 and the lifting plate 73 and between the lifting plate 73 and the base 71, so that the buffer effect is achieved, and the lifting stability of the lifting plate 73 is ensured.

In the utility model, a bearing contact hole 41 is arranged in the middle of the lower end of a balancing weight 4, the bearing contact hole 41 is a step-shaped hole, and a plurality of grooves are arranged on the step surface of the bearing contact hole 41. The contact between the angular contact bearing and the balancing weight 4 is realized through the bearing contact hole 41, meanwhile, the outer ring of the angular contact bearing is propped against by the step of the bearing contact hole 41, the inner ring of the angular contact bearing can continuously ascend in the bearing contact hole 41 under the action of the bearing jacking mechanism 7, and the error detection of the height difference between the inner ring and the outer ring of the angular contact bearing is realized. The step surface of the bearing contact hole 41 is provided with the groove, so that the influence on the detection precision caused by the back pressure generated by the diagonal contact bearing when the angular contact bearing enters the bearing contact hole 41 can be avoided.

In the utility model, the abrasion-resistant block abutted with the linear displacement sensor 10 is arranged in the middle of the upper end of the balancing weight 4, so that the detection error caused by abrasion due to long-term abutting of the linear displacement sensor 10 and the balancing weight 4 can be reduced, and the high detection precision of the angular contact bearing assembly is improved.

According to the utility model, the mounting plate 2 is provided with the guide hole 21 for the counterweight 4 to pass through, so that the counterweight 4 can be lifted along the guide hole 21, and meanwhile, the counterweight 4 is guided, so that the counterweight 4 is prevented from tilting and skewing, and the high detection effect of the assembly of the angular contact bearing is prevented.

In the utility model, the outer side of the rotating block 6 is wrapped with the flexible material, so that the rotating block 6 is ensured to flexibly push the balancing weight 4, the balancing weight 4 is driven to rotate, and the rotating block 6 or the balancing weight 4 is prevented from being damaged due to the fact that the rotating block 6 generates larger impact force on the balancing weight 4.

The work flow of the assembly height detection device is as follows: firstly, a standard angular contact bearing is used for adjusting, and the initial compression amount of a linear displacement sensor 10 on a balancing weight 4 and the jacking height of a bearing jacking mechanism 7 are set; the angular contact bearing is moved to a position on the working platform 1 corresponding to the balancing weight 4, the bearing jacking mechanism 7 acts, the jacking cylinder 72 drives the jacking plate 73 to ascend to set the height, the jacking plate 73 drives the ejector rod 74, the ejector head connecting seat 75 and the ejector head 76 to ascend synchronously, and the ejector head 76 is inserted into the inner ring of the angular contact bearing on the working platform 1 to drive the angular contact bearing to ascend synchronously to set the height; simultaneously, the lifting plate 73 drives the upright post 8, the fixed plate 9 and the linear displacement sensor 10 to synchronously lift up to set the height, and the compression amount of the linear displacement sensor 10 is released by a certain distance, and the distance is the same as the lifting height of the lifting plate 73; the angular contact bearing is firstly contacted with a bearing contact hole 41 below the balancing weight 4, and the outer ring of the angular contact bearing is abutted with a step of the bearing contact hole 41 to drive the balancing weight 4 to synchronously rise; meanwhile, the stepping motor 5 drives the rotating block 6 to rotate and drives the balancing weight 4 to synchronously rotate, so that the deflection amplitude of the inner ring and the outer ring of the angular contact bearing under detection is small and stable; if the rising height of the balancing weight 4 detected by the linear displacement sensor 10 is in the standard range, the transfer height of the angular contact bearing being detected meets the standard, and the angular contact bearing is an OK piece; if the rise of the weight 4 detected by the linear displacement sensor 10 is lower or higher than the standard range, the angular contact bearing being detected is an NG member.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the summary of the present utility model within the scope of the present utility model.

Claims (9)

1. The utility model provides an angular contact bearing assembly height detection device, includes work platform (1), its characterized in that: the utility model provides a measuring head, including work platform (1), mounting panel (2) that the level set up is erect on work platform (1), the below of mounting panel (2) is connected with backup pad (3), the activity is provided with balancing weight (4) on backup pad (3), step motor (5) are installed to Fang Shuzhi on mounting panel (2), the output shaft of step motor (5) passes mounting panel (2) and is connected with rotatory piece (6) downwards, rotatory piece (6) set up in one side of balancing weight (4), the below of work platform (1) is equipped with bearing climbing mechanism (7), bearing climbing mechanism (7) set up under balancing weight (4), the side of bearing climbing mechanism (7) is connected with two stand (8) of vertical setting, two the upper end of stand (8) is higher than mounting panel (2), two install vertical linear displacement sensor (10) that set up on fixed plate (9), vertical linear displacement sensor (10) just support with center butt down of balancing weight (4).

2. The angular contact bearing assembly height detection device according to claim 1, wherein: the bearing jacking mechanism (7) comprises a base (71), a jacking cylinder (72) is mounted on the base (71), a jacking plate (73) horizontally arranged is connected to the upper end piston rod end of the jacking cylinder (72), a vertically arranged ejector rod (74) is mounted on the jacking plate (73), a jacking connecting seat (75) is mounted at the upper end of the ejector rod (74), and a jacking head (76) is connected to the upper end of the jacking connecting seat (75).

3. The angular contact bearing assembly height detection device according to claim 2, wherein: four guide assemblies (77) arranged in a rectangular array are connected between the jacking plate (73) and the base (71), the four guide assemblies (77) are arranged around the jacking cylinder (72) in a separated mode, each guide assembly (77) comprises a linear bearing (771) and a guide rod (772), the linear bearing (771) is fixed on the jacking plate (73), and the guide rods (772) penetrate through the linear bearings (771) and are fixed on the base (71).

4. The angular contact bearing assembly height detection device according to claim 3, wherein: the four guide assemblies (77) are divided into two groups, and the top ends of two guide rods (772) of each guide assembly (77) are connected with a lifting limiting plate (78).

5. The angular contact bearing assembly height detection device according to claim 4, wherein: hydraulic buffers are arranged between the limiting plate (78) and the jacking plate (73) and between the jacking plate (73) and the base (71).

6. The angular contact bearing assembly height detection device according to claim 1, wherein: the bearing contact hole (41) is formed in the middle of the lower end of the balancing weight (4), the bearing contact hole (41) is a step-shaped hole, and a plurality of grooves are formed in the step surface of the bearing contact hole (41).

7. The angular contact bearing assembly height detection device according to claim 1, wherein: and a wear-resistant block abutted with the linear displacement sensor (10) is arranged in the middle of the upper end of the balancing weight (4).

8. The angular contact bearing assembly height detection device according to claim 1, wherein: the mounting plate (2) is provided with a guide hole (21) for the counterweight (4) to pass through.

9. The angular contact bearing assembly height detection device according to claim 1, wherein: the outer side of the rotating block (6) is wrapped with flexible materials.