CN212007044U

CN212007044U - Bearing inner race slope angle measuring device

Info

Publication number: CN212007044U
Application number: CN202020907568.2U
Authority: CN
Inventors: 李琦; 刘春鹏
Original assignee: Henan Mechanical and Electrical Vocational College
Current assignee: Henan Mechanical and Electrical Vocational College
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-11-24
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a bearing inner race slope angle measuring device, including measuring the base, the dabber subassembly, the bearing inner race, first fastening screw, axial displacement measurement amesdial, instrument support frame subassembly, second fastening screw, third fastening screw, the centre gripping axle subassembly, fastening nut, radial displacement measurement amesdial, fourth fastening screw, supporting screw, horizontal cushion, protection roof and portable grab handle. The utility model makes the measurement of the bearing outer ring slope angle quick, simple and convenient by using the device, and can accurately measure different slope angles without manufacturing comparison samples with different angles to project on the projector; the measuring device does not use power such as electricity, gas and the like, is of a pure mechanical structure and has good stability; the arrangement of the protective top plate and the portable grab handle is beneficial to playing a role of shielding and protecting, and the portability is improved; the device is high in applicability, and is suitable for measuring the slope angles of all bearing outer rings.

Description

Bearing inner race slope angle measuring device

Technical Field

The utility model belongs to the technical field of bearing ring's detection, especially, relate to a bearing inner race slope angle measuring device.

Background

The outer ring of the high-rotating-speed and high-precision angular contact ball bearing or the tapered roller bearing is provided with a slope angle which is generally 3-5 degrees, the slope angle needs to be measured in the process of grinding the slope of the outer ring of the bearing during the working procedure, and the slope angle also needs to be measured during the inspection of the finished outer ring product.

At present, the slope angle of a bearing outer ring is measured by utilizing a projector to perform projection, the method comprises the steps of firstly kneading a soft red proofing paste into a strip shape, adhering the proofing paste on the slope of the bearing outer ring and slightly pressing the proofing paste with force, then placing the bearing outer ring in a refrigerator, placing the bearing outer ring in the refrigerator, taking out the bearing outer ring after the bearing outer ring is placed for three to five minutes, finally slowly taking the proofing paste off from the bearing outer ring, and projecting the slope angle on the proofing paste through the projector to measure the slope angle of the bearing outer ring. An angle sample plate is required to be manufactured during projection measurement, projection results are compared, angles on the sample plate are drawn manually, angle errors exist, the errors of the measurement results are increased after the angles are amplified by a projector, misjudgment or misjudgment conditions exist, the number of the drawn angles on the angle sample plate is limited, the angle change is discontinuous, and the angle of a slope of the outer ring of the bearing cannot be measured accurately.

Therefore, it is very necessary to provide a device for measuring the slope angle of the outer ring of the bearing.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bearing inner race slope angle measuring device to solve current bearing inner race slope angle and measure the problem accurate inadequately and that the measurement process is comparatively complicated. A bearing outer ring slope angle measuring device comprises a measuring base, a mandrel assembly, a bearing outer ring, a first fastening screw, an axial displacement measuring dial indicator, an instrument support frame assembly, a second fastening screw, a third fastening screw, a clamping shaft assembly, a fastening nut, a radial displacement measuring dial indicator, a fourth fastening screw, a supporting screw rod, a horizontal rubber pad, a protective top plate and a portable grab handle, wherein the bearing outer ring is arranged on the right side in the mandrel assembly and is fixed by the first fastening screw; one end of the supporting screw rod is respectively in threaded connection with four corners of the lower surface of the measuring base, and the other end of the supporting screw rod is embedded in the upper part of the horizontal rubber mat; the protective top plate is connected to the top end of the instrument support frame component through a screw; the portable grab handle screw is connected to the middle position of the upper part of the protective top plate; the clamping shaft assembly is embedded in the instrument support frame assembly and is clamped and fixed by a fastening nut; the axial displacement measuring dial indicator and the radial displacement measuring dial indicator are respectively connected to the left side of the instrument support frame component through screws; the instrument supporting frame assembly is arranged on the right upper side of the measuring base.

Preferably, the right lower side portion of the inside of the measuring base is provided with a bottom threaded hole; a T-shaped groove is formed in the right lower side of the inside of the measuring base; a support upright post is connected with the middle position of the left side of the upper part of the measuring base through a screw; the inside of the supporting upright post is provided with an internal thread section.

Preferably, the mandrel component comprises a knurled section, a left-side threaded section, a bearing outer diameter matching section and a mandrel main body, and the left-side threaded section is integrally arranged in the middle of the mandrel main body; the knurling section is integrally arranged at the left end of the mandrel main body; the bearing outer diameter matching section is integrally cast at the right end of the mandrel main body.

Preferably, the instrument support frame assembly comprises a through groove, a first open groove, a first threaded hole, a through hole, a T-shaped guide rail and a support rod, wherein the through groove is formed in the upper left side of the support rod; the first open slot is arranged at the upper part of the outer surface of the supporting rod; the first threaded hole is formed in the left upper side of the front surface of the supporting rod; the through hole is formed in the middle of the inner part of the supporting rod; the support rod is longitudinally welded on the upper part of the T-shaped guide rail.

Preferably, the clamping shaft assembly comprises a second threaded hole, a second open slot, a shaft shoulder, an inner diameter matching section, a right-side threaded section and a clamping shaft body, and the second threaded hole is formed in the left side of the clamping shaft body; the second open slot is formed in the left side position of the outer surface of the shaft body of the clamping shaft; the shaft shoulder is embedded at the left side of the shaft body of the clamping shaft; the inner diameter matching section is integrally arranged in the middle of the outer surface of the shaft body of the clamping shaft; the right side screw thread section is integrally arranged at the right end of the shaft body of the clamping shaft.

Preferably, the horizontal rubber pad is a circular rubber pad.

Preferably, the T-shaped guide rail is clamped in the T-shaped groove in a sliding mode and is fixed through a fourth fastening screw.

Preferably, the protective top plate is an opaque PVC plastic plate; the protective top plate is arranged in an outward convex arc shape.

Preferably, the axial displacement measuring dial indicator and the radial displacement measuring dial indicator are respectively a dial indicator with the model number of CG-A526-101.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is utilized to quickly, simply and conveniently measure the slope angle of the outer ring of the bearing, and different slope angles can be accurately measured without manufacturing comparison samples with different angles to project on a projector;

2. the measuring device does not use power such as electricity, gas and the like, is of a pure mechanical structure and has good stability;

3. the device has strong applicability, and is suitable for measuring the slope angles of all the bearing outer rings;

4. the arrangement of the supporting screw and the horizontal rubber cushion is beneficial to adjusting the height, and the level of the measuring base is ensured, so that the accuracy of the measuring result is enhanced;

5. the arrangement of the protective top plate and the portable grab handle is favorable for playing the role of shielding and protecting, and the carrying convenience is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the spindle assembly of the present invention.

Fig. 3 is a schematic structural view of the instrument support bracket assembly of the present invention.

Fig. 4 is a schematic structural view of the clamping shaft assembly of the present invention.

In the figure:

1. a measuring base; 101. a bottom threaded hole; 102. a T-shaped groove; 103. supporting the upright post; 104. an internal thread section; 2. a mandrel assembly; 201. a knurling section; 202. a left-hand threaded section; 203. a bearing outer diameter matching section; 204. a mandrel body; 3. a bearing outer race; 4. a first fastening screw; 5. an axial displacement measuring dial indicator; 6. a meter support assembly; 601. a through groove; 602. a first open slot; 603. a first threaded hole; 604. a through hole; 605. a T-shaped guide rail; 606. a support bar; 7. a second fastening screw; 8. a third fastening screw; 9. a clamping shaft assembly; 901. a second threaded hole; 902. a second open slot; 903. a shaft shoulder; 904. an inner diameter fitting section; 905. a right-hand threaded section; 906. a clamping shaft body; 10. fastening a nut; 11. a radial displacement measuring dial indicator; 12. a fourth fastening screw; 13. a support screw; 14. a horizontal rubber mat; 15. a protective roof; 16. a handle is held by hand.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 4, the utility model provides a bearing outer ring slope angle measuring device, which comprises a measuring base 1, a mandrel component 2, a bearing outer ring 3, a first fastening screw 4, an axial displacement measuring dial indicator 5, an instrument support frame component 6, a second fastening screw 7, a third fastening screw 8, a clamping shaft component 9, a fastening nut 10, a radial displacement measuring dial indicator 11, a fourth fastening screw 12, a supporting screw 13, a horizontal rubber cushion 14, a protective top plate 15 and a portable grab handle 16; a bottom threaded hole 101 is formed in the right lower side portion of the inner part of the measuring base 1; a T-shaped groove 102 is formed in the right lower side of the inside of the measuring base 1; a support upright post 103 is connected with the middle position of the left side of the upper part of the measuring base 1 through a screw; the inside of the support post 103 is provided with an internal thread section 104.

In the above embodiment, specifically, the mandrel component 2 includes a knurled section 201, a left-side threaded section 202, a bearing outer diameter matching section 203 and a mandrel main body 204, and the left-side threaded section 202 is integrally disposed in the middle of the mandrel main body 204; the knurled section 201 is integrally arranged at the left end of the mandrel main body 204; the bearing outer diameter matching section 203 is integrally cast at the right end of the mandrel main body 204.

In the above embodiment, specifically, the instrument support frame assembly 6 includes a through groove 601, a first open groove 602, a first threaded hole 603, a through hole 604, a T-shaped guide rail 605 and a support rod 606, where the through groove 601 is formed on the upper left side of the support rod 606; the first opening groove 602 is arranged at the upper part of the outer surface of the supporting rod 606; the first threaded hole 603 is formed in the upper left side of the front surface of the support rod 606; the through hole 604 is arranged in the middle of the inner part of the support rod 606; the support rod 606 is longitudinally welded to the upper portion of the T-shaped rail 605.

In the above embodiment, specifically, the clamping shaft assembly 9 includes a second threaded hole 901, a second open slot 902, a shaft shoulder 903, an inner diameter matching section 904, a right-side threaded section 905 and a clamping shaft body 906, and the second threaded hole 901 is formed in the left side of the clamping shaft body 906; the second opening groove 902 is arranged at the left position of the outer surface of the clamping shaft body 906; the shaft shoulder 903 is embedded at the left side of the clamping shaft body 906; the inner diameter matching section 904 is integrally arranged in the middle of the outer surface of the clamping shaft body 906; the right-hand threaded section 905 is integrally formed at the right end of the clamping shaft body 906.

As another preferred embodiment, a support column 103 is arranged at the left side part of the measuring base 1, an internal thread section 104 formed on the support column 103 is matched with a left thread section 202 of a mandrel main body 204 to mount the mandrel main body 204 on the support column 103, a bearing outer diameter matching section 203 is arranged at the middle part of the mandrel main body 204 and is in sliding fit with the outer diameter of a bearing outer ring 3, a first fastening screw 4 is mounted by using a threaded hole in the circumferential direction of the bearing outer diameter matching section 203 on the mandrel main body 204 to position the bearing outer ring 3 on the mandrel main body 204, and the mandrel can advance and retreat along the axial direction by twisting a knurled section 201 of the mandrel main body 204; the right part of the measuring base 1 is provided with a T-shaped groove 102 which is matched with a T-shaped guide rail 605 arranged at the bottom of the instrument supporting frame assembly 6, a fourth fastening screw 12 can fasten a supporting rod 606 on the measuring base 1, the upper part of the instrument supporting frame assembly 6 is provided with a through hole 604 for installing an axial displacement measuring dial indicator 5, the axial displacement measuring dial indicator 5 is installed on the instrument supporting frame assembly 6 through a second fastening screw 7 installed through a first open groove 602 and a first threaded hole 603, the middle part of the instrument supporting frame assembly 6 is separately provided with the through hole 604 for installing a clamping shaft body 906, the left side of the clamping shaft body 906 is provided with a second open groove 902 for installing a radial displacement measuring dial indicator 11, the groove width dimension of the second open groove 902 is consistent with the dimension of a clamping part of the radial displacement measuring dial indicator 11, and a second threaded hole 901 on the left side of the clamping shaft body 906 is used, the right-hand threaded section 905 of the clamping shaft body 906 is matched with the fastening nut 10, and the clamping shaft body 906 can be fixed on the instrument supporting frame assembly 6 through the shaft shoulder 903 on the clamping shaft body 906 and the fastening nut 10.

In the above embodiment, specifically, the protective top plate 15 is made of an opaque PVC plastic plate; the protective top plate 15 is arranged in an outward convex arc shape.

In the above embodiment, specifically, the dial indicator for measuring axial displacement 5 and the dial indicator for measuring radial displacement 11 are respectively dial indicators with models CG-a 526-101.

Principle of operation

When the utility model is used, the knurl section 201 on the rotary mandrel main body 204 is used for adjusting the position of the bearing outer ring 3 before measurement, the positions of the radial displacement measurement dial indicator 11 and the axial displacement measurement dial indicator 5 are adjusted, the left side part of the slope of the bearing outer ring 3 is pressed by the radial displacement measurement dial indicator 11, the display value y1 of the dial indicator is recorded, the right side end part of the bearing outer ring 3 is pressed by the axial displacement measurement dial indicator 5, the display value x1 of the dial indicator is recorded, the knurl section 201 of the rotary mandrel main body 204 enables the mandrel main body 204 to move forwards rightwards for a distance L to stop, the axial displacement dial indicator value x2 and the radial displacement dial indicator value y2 are respectively recorded and measured, and the axial displacement dial indicator value variation delta x is calculated, the numerical variation delta y of the radial displacement dial indicator can accurately calculate the slope angle of the outer ring of the bearing by using a formula tan alpha which is delta y/delta x.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The bearing outer ring slope angle measuring device is characterized by comprising a measuring base (1), a mandrel component (2), a bearing outer ring (3), a first fastening screw (4), an axial displacement measuring dial indicator (5), an instrument support component (6), a second fastening screw (7), a third fastening screw (8), a clamping shaft component (9), a fastening nut (10), a radial displacement measuring dial indicator (11), a fourth fastening screw (12), a supporting screw (13), a horizontal rubber gasket (14), a protective top plate (15) and a portable grab handle (16), wherein the bearing outer ring (3) is installed on the right side inside the mandrel component (2) and is fixed by the first fastening screw (4); one end of the supporting screw rod (13) is respectively in threaded connection with the four corners of the lower surface of the measuring base (1), and the other end of the supporting screw rod is embedded in the upper part of the horizontal rubber mat (14); the protective top plate (15) is connected to the top end of the instrument support frame assembly (6) through screws; the portable grab handle (16) is connected with the middle position of the upper part of the protective top plate (15) through a screw; the clamping shaft assembly (9) is embedded in the instrument support frame assembly (6) and is clamped and fixed by a fastening nut (10); the axial displacement measuring dial indicator (5) and the radial displacement measuring dial indicator (11) are respectively connected to the left side of the instrument support frame assembly (6) through screws; the instrument supporting frame assembly (6) is arranged on the right upper side of the measuring base (1).

2. The bearing outer ring slope angle measuring device according to claim 1, wherein a bottom threaded hole (101) is formed in the right lower side portion of the inner portion of the measuring base (1); a T-shaped groove (102) is formed in the right lower side of the inside of the measuring base (1); a support upright post (103) is connected with the middle position of the left side of the upper part of the measuring base (1) through a screw; an internal thread section (104) is arranged inside the supporting upright post (103);

the instrument supporting frame assembly (6) comprises a through groove (601), a first open groove (602), a first threaded hole (603), a through hole (604), a T-shaped guide rail (605) and a supporting rod (606), wherein the through groove (601) is formed in the upper left side of the supporting rod (606); the first open slot (602) is arranged at the upper part of the outer surface of the support rod (606); the first threaded hole (603) is formed in the left upper side of the front surface of the supporting rod (606); the through hole (604) is formed in the middle of the inner part of the support rod (606); the support rod (606) is longitudinally welded on the upper part of the T-shaped guide rail (605).

3. The bearing outer ring slope angle measuring device according to claim 1, wherein the mandrel component (2) comprises a knurled section (201), a left-side thread section (202), a bearing outer diameter matching section (203) and a mandrel main body (204), and the left-side thread section (202) is integrally arranged in the middle of the mandrel main body (204); the knurled section (201) is integrally arranged at the left end of the mandrel main body (204); the bearing outer diameter matching section (203) is integrally cast at the right end of the mandrel main body (204).

4. The bearing outer ring slope angle measuring device according to claim 1, characterized in that the clamping shaft assembly (9) comprises a second threaded hole (901), a second open slot (902), a shaft shoulder (903), an inner diameter matching section (904), a right-side threaded section (905) and a clamping shaft body (906), wherein the second threaded hole (901) is formed in the left side of the clamping shaft body (906); the second opening groove (902) is arranged at the left position of the outer surface of the clamping shaft body (906); the shaft shoulder (903) is embedded at the left side of the clamping shaft body (906); the inner diameter matching section (904) is integrally arranged in the middle of the outer surface of the clamping shaft body (906); the right-side thread section (905) is integrally arranged at the right end of the clamping shaft body (906).

5. The bearing outer ring slope angle measuring device according to claim 1, characterized in that the horizontal rubber pad (14) is a circular rubber pad.

6. The bearing outer race slope angle measuring device according to claim 2, characterized in that said T-shaped guide rail (605) is slidably engaged in said T-shaped groove (102) and fixed by a fourth fastening screw (12).

7. The bearing outer ring slope angle measuring device according to claim 1, characterized in that the protective top plate (15) is made of opaque PVC plastic plate; the protective top plate (15) is arranged in an outward convex arc shape.