Large bearing flatness detection instrument

Abstract

The utility model discloses a large bearing flatness detection instrument comprising a pedestal, a plurality of scale grooves are annularly arranged on the pedestal, the plurality of scale grooves are arranged along the radius direction of the pedestal, the diameters of the scale grooves from the center point of the pedestal to the edge of the pedestal are gradually increased, and a plurality of adjusting grooves are arranged on the pedestal along the diameter direction of the pedestal. The multiple adjusting grooves are arranged in a staggered mode with the center point of the base as the center point, a supporting structure used for supporting an external to-be-detected bearing is detachably arranged in each adjusting groove, and a detection structure used for detecting the planeness of the external to-be-detected bearing is detachably arranged in one adjusting groove. According to the utility model, the problems of high manufacturing cost and inconvenient operation of the traditional bearing flatness measuring equipment are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing detection instrument technical field, concretely is a large -scale bearing flatness detection instrument. BACKGROUND

[0002] When measuring the end face flatness of a larger bearing, the traditional method usually relies on a three-coordinate measuring machine (CMM). However, this method has some limitations, mainly including: 1. Cost problem: three-coordinate instruments are expensive, and the cost is relatively high for many enterprises; 2. Difficulty in handling: the bearing needs to be carried back and forth, which not only takes time but also may cause unnecessary damage to the bearing; 3. Collision risk: when manually rotating the bearing for measurement, the bearing is easy to collide with the measuring equipment, such as the lens, which may cause damage to the equipment. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a large bearing flatness detection instrument to solve the problem of expensive equipment and inconvenient operation in traditional bearing flatness measurement.

[0004] To achieve the above purpose, the utility model provides a large bearing flatness detection instrument, which comprises a base, a plurality of scale grooves are arranged on the base in a ring shape, a plurality of scale grooves are arranged along the radius direction of the base, and the diameter of the scale grooves from the center point of the base to the edge of the base gradually increases, a plurality of adjusting grooves are arranged on the base along the diameter direction, a plurality of adjusting grooves are arranged staggered with the center point of the base, a supporting structure for supporting the bearing to be detected outside is detachably arranged in each adjusting groove, and a detection structure for detecting the flatness of the bearing to be detected outside is detachably arranged in one adjusting groove.

[0005] The technical scheme has the beneficial effects that: the operator first installs the support structure in the adjusting groove and at the designated position so that the plurality of support structures can support the bearing ring, and then installs the detection structure, and then places the bearing to be detected on the base and supported by the plurality of support structures, so as to realize the positioning and supporting of the bearing to be detected; then the operator rotates the bearing ring to enable the detection structure to detect the flatness of the bearing ring; when the outer ring of the bearing needs to be detected, the outer ring of the bearing is supported by the support structure, the detection end of the detection structure is in contact with the side wall of the outer ring of the bearing, and when the inner ring of the bearing needs to be detected, the inner ring of the bearing is supported by the support structure, the detection end of the detection structure is in contact with the side wall of the inner ring of the bearing, and the detection is realized; the setting of the scale groove facilitates the operator to position the installation position of the support structure, that is, the plurality of scale grooves are arranged along the radial direction of the base, and the diameters of the scale grooves from the center point of the base to the edge of the base gradually increase, the distances from each scale groove to the center point of the base are different, the support structure is installed according to the different distances, the support structure supports the bearing, and the scale can be opened in the diameter direction of the adjusting groove according to actual needs, which further facilitates the operator to position the installation position of the support structure; the structure is simple, the parts are few, the cost is low, the carrying is convenient, the operation is simple, and it is suitable for small and medium-sized enterprises; the technology is suitable for large bearings, and the large bearings have high self-weight, so that the support structure can support the bearings without shaking or shifting in the adjusting groove.

[0006] The utility model further sets up: the support structure includes the sliding block of sliding in the adjusting groove, the vertical board of setting on the sliding block and be used for with the rolling bearing of supporting external bearing to be detected, the vertical board with sliding block perpendicular setting, the vertical board back surface is provided with support axle, the rolling bearing is covered on support axle and the outer circle peripheral wall surface of rolling bearing is the support surface for with external bearing side wall contact, the adjusting groove both sides wall on set up limit slot, the limit end of sliding block extends to the direction of adjacent limit slot, the limit slot inner wall with limit end outer wall contact setting.

[0007] The technical scheme has the beneficial effects that: the rolling bearing contacts and supports the side wall of the bearing ring to be detected, and the rolling bearing can rotate synchronously when the ring rotates, so as to improve the smoothness of the rotation of the bearing ring when the operator rotates the bearing ring, and further improve the rotation stability of the bearing ring, so as to improve the detection accuracy of the detection structure to the smoothness of the bearing ring; the setting of the limit end and the limit slot avoids the sliding block from coming out of the adjusting groove, so as to improve the support stability of the plurality of rolling bearings to the bearing to be detected.

[0008] The utility model further sets up: the limit circle vertical plate top wall is provided with a limit circle, the limit circle is made of rubber material, the limit circle outer peripheral wall surface is the abutment surface for abutting with the outside bearing ring to be detected.

[0009] The technical scheme has the beneficial effects that: when the smoothness of the bearing outer ring needs to be detected, the position of the sliding block is adjusted to make the outer peripheral wall of the limit circle contact with the inner diameter surface of the bearing inner ring, so as to limit the rotation of the bearing inner ring; when the smoothness of the bearing inner ring needs to be detected, the position of the sliding block is adjusted to make the outer peripheral wall of the limit circle contact with the outer diameter surface of the bearing outer ring, so as to limit the rotation of the bearing outer ring; and the detection precision and efficiency are improved through the above technical arrangement.

[0010] The utility model further sets up: the sliding block is hollow and is provided with a limiting cavity, the limiting cavity is oppositely provided with an expansion block, a slot is formed in the outer wall of the limiting end and is communicated with the limiting cavity, a fixing hole is formed in the top wall of the sliding block, a fixing bolt is screwed into the fixing hole, the beginning end of the fixing bolt is inserted into the limiting cavity and is conically arranged, an inclined surface is formed in the end surface of the expansion block and is used for abutting with the beginning end of the fixing bolt, the beginning end of the expansion block is an expansion surface which is used for being expanded and tightly matched with the inner wall of the limiting slot when the expansion block is shifted due to the abutting of the beginning end of the fixing bolt and the inclined surface, and the expansion block is made of wear-resistant rubber material.

[0011] The technical scheme has the beneficial effects that: when the sliding block needs to be fixed, the fixing bolt is screwed in to press the expansion block, the expansion surface of the expansion block is expanded and tightly matched with the inner wall of the limiting slot, the limiting strength of the sliding block in the adjusting slot is further improved, and the phenomenon that the bearing ring to be detected is shaken or loosened due to the displacement or shaking of the rolling bearing is avoided.

[0012] The utility model further sets up: each adjusting slot is communicated with a plurality of scale slots, positioning elastic sheets are swingably arranged on both sides of the vertical plate, the positioning elastic sheets are arranged in the shape of "U", and torsional springs are connected between the positioning elastic sheets and the vertical plate.

[0013] The technical scheme has the beneficial effects that: when the sliding block is near the scale slot, the positioning elastic sheets are swung to be inserted into the scale slot under the driving of the torsional springs, and the stability of the sliding block in the adjusting slot is further improved.

[0014] The utility model further sets up: the detection structure includes the support plate and the micrometer which are detachably arranged in the adjusting slot, the micrometer is arranged on the support plate, and the output end of the micrometer is perpendicularly arranged with the base.

[0015] The beneficial effects of the above technical scheme are as follows: the bearing ring is detected by the micrometer, which is low in cost, simple in operation, convenient to install and transport, and can improve the detection efficiency; and the micrometer is a prior art, so its structure and functions are not described in detail. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional view of the utility model cooperating with the bearing ring to be detected from the outside;

[0017] Figure 2 A three-dimensional view of the utility model;

[0018] Figure 3 A sectional view of the sliding block in the utility model. DETAILED DESCRIPTION

[0019] The utility model provides a large -scale bearing flatness detection instrument, including base 1, a plurality of graduation grooves 11 are opened to base 1 around, a plurality of graduation grooves 11 are arranged along the radius direction of base 1 and the diameter of graduation groove 11 from base 1 centre point to base 1 brim gradually increases setting, a plurality of adjusting grooves 12 are opened to base 1 along its diameter direction, a plurality of adjusting grooves 12 are set up staggeredly with base 1 centre point, every adjusting groove 12 can detachably be provided with the support structure for supporting the bearing of outside to be detected in it, and the support structure includes the sliding block 2 of sliding in adjusting groove 12, the vertical board 21 of setting on sliding block 2 and be used for with the rolling bearing 22 of supporting the bearing of outside to be detected, the vertical board 21 is vertically arranged with sliding block 2, the back of vertical board 21 is provided with support shaft, the rolling bearing 22 is sleeved on support shaft and the outer circumferential wall surface of rolling bearing 22 is the support surface for being contacted with the lateral wall of outside to be detected bearing, the limiting groove 121 is opened on the both sides wall of adjusting groove 12, the limiting end 23 of sliding block 2 extends to the direction of adjacent limiting groove 121, the inner circumferential wall of limiting groove 121 is contacted with the outer circumferential wall of limiting end 23 and sets up, the top wall of vertical board 21 is provided with limiting ring 24, limiting ring 24 is made of rubber material, the outer circumferential wall surface of limiting ring 24 is the abutting surface for being abutted with the sleeve ring of outside to be detected bearing, the limiting cavity 25 is hollow in sliding block 2, the relative setting of limiting cavity 25 has expansion block 26, the slot 27 for being communicated with limiting cavity 25 is opened on the outer wall of limiting end 23, the fixed hole 28 is opened on the top wall of sliding block 2, the fixed bolt 3 is threadedly connected in fixed hole 28, the fixed bolt 3 initial end is placed into limiting cavity 25 and the initial end of fixed bolt 3 is conically arranged, the inclined surface 261 for being abutted with the initial end of fixed bolt 3 and limiting ring 24 is opened on the end surface of expansion block 26, the initial end of expansion block 26 is the expansion surface for being expanded and tightly matched with limiting groove 121 inner wall when sliding when the initial end of fixed bolt 3 and inclined surface 261 are abutted, expansion block 26 is made of wear-resistant rubber material, every adjusting groove 12 is communicated with a plurality of graduation grooves 11 and sets up, the positioning elastic sheet 4 is swinged and set up on both sides of vertical board 21, the positioning elastic sheet 4 is arranged as " U " character, the torsional spring 41 is connected between positioning elastic sheet 4 and vertical board 21, the detection structure includes the support plate 5 of detachable setting in adjusting groove 12 and micrometer 51, the micrometer 51 is set up on support plate 5 and the output end of micrometer 51 is vertically arranged with base 1.

[0020] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection, and the protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A large bearing flatness detection instrument, characterized in that: The application relates to a bearing flatness detection device, which comprises a base, a plurality of scale grooves are arranged on the base in a ring shape, the scale grooves are arranged along the radial direction of the base, the diameters of the scale grooves gradually increase from the center point of the base to the edge of the base, a plurality of adjusting grooves are arranged on the base along the diametrical direction of the base, the adjusting grooves are arranged in a staggered mode with the center point of the base, a supporting structure for supporting an external bearing to be detected is detachably arranged in each adjusting groove, and a detection structure for detecting the flatness of the external bearing to be detected is detachably arranged in one adjusting groove.

2. A large bearing flatness detection instrument according to claim 1, characterized in that: The supporting structure comprises a sliding block arranged in the adjusting groove, a vertical plate arranged on the sliding block and a rolling bearing for supporting the external bearing to be detected, the vertical plate is arranged perpendicularly to the sliding block, a supporting shaft is arranged on the back of the vertical plate, the rolling bearing is sleeved on the supporting shaft, and the outer peripheral wall surface of the outer ring of the rolling bearing is a supporting surface for contacting the side wall of the external bearing to be detected, limit grooves are arranged on the two side walls of the adjusting groove, the sliding block extends to a limit end in the direction of the adjacent limit groove, and the inner peripheral wall of the limit groove is arranged in contact with the outer peripheral wall of the limit end.

3. A large bearing flatness detection instrument according to claim 2, characterized in that: A limit ring is arranged on the top wall of the vertical plate, the limit ring is made of rubber material, and the outer peripheral wall surface of the limit ring is an abutting surface for abutting and matching with the sleeve ring of the external bearing to be detected.

4. The large bearing flatness detection instrument of claim 2, wherein: A limit cavity is hollowly arranged in the sliding block, an expansion block is arranged in the limit cavity in a relative mode, an opening groove is arranged on the outer wall of the limit end for communicating with the limit cavity, a fixing hole is arranged on the top wall of the sliding block, a fixing bolt is screw-connected in the fixing hole, the initial end of the fixing bolt is arranged in the limit cavity and the initial end of the fixing bolt is arranged in a conical mode, an inclined surface is arranged on the end surface of the expansion block for abutting and matching with the initial end of the fixing bolt, the initial end of the expansion block is an expansion surface for penetrating out of the opening groove and expanding and matching with the inner wall of the limit groove when the expansion block slides due to the abutting and matching of the initial end of the fixing bolt and the inclined surface, and the expansion block is made of wear-resistant rubber material.

5. The large bearing flatness detection instrument of claim 2, wherein: Each adjusting groove is arranged in communication with the plurality of scale grooves, positioning elastic sheets are swingingly arranged on the two sides of the vertical plate, the positioning elastic sheets are arranged in a U-shaped mode, and torsional springs are connected between the positioning elastic sheets and the vertical plate.

6. The large bearing flatness detection instrument of claim 1, wherein: The detection structure comprises a support plate detachably arranged in the adjusting groove and a micrometer, the micrometer is arranged on the support plate and the output end of the micrometer is arranged perpendicularly to the base.

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