CN219368626U - Tapered roller overall dimension detects frock - Google Patents
Tapered roller overall dimension detects frock Download PDFInfo
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- CN219368626U CN219368626U CN202320264456.3U CN202320264456U CN219368626U CN 219368626 U CN219368626 U CN 219368626U CN 202320264456 U CN202320264456 U CN 202320264456U CN 219368626 U CN219368626 U CN 219368626U
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- tapered roller
- dial indicator
- measuring ring
- measuring
- ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model provides a tapered roller overall dimension detects frock, includes the pedestal that has perpendicular through-hole, is fixed with down measuring ring in the lower part of through-hole, is provided with the upper measuring ring that can float from top to bottom in the upper portion of pedestal, and upper measuring ring and lower measuring ring coaxial arrangement, and the tangent contact of conical surface of upper measuring ring, lower measuring ring's interior anchor ring and tapered roller; the detection tool further comprises a first dial indicator, a second dial indicator and a third dial indicator, wherein the first dial indicator is used for measuring the distance between the upper measuring ring and the base, the second dial indicator is used for measuring the distance between the large end face of the tapered roller and the base, and the third dial indicator is used for measuring the distance between the small end face of the tapered roller and the base. The detection tool realizes comprehensive detection of taper, large head end diameter, small head end diameter and height of the tapered roller through indexes of three dial indicators, and improves detection precision. The detection tool is convenient to operate, comprehensive in detection and high in efficiency, and comprehensive general detection and grouping of the tapered rollers can be realized rapidly.
Description
Technical Field
The utility model relates to the field of bearings, in particular to a tapered roller overall dimension detection tool.
Background
The taper and the diameter of the large end are important detection items of the tapered rollers, and each tapered roller is grouped according to the taper and the diameter of the large end after the processing is finished. The diameter of the big end is difficult to accurately measure because the big end of the tapered roller is rounded and the size of the rounded is in a certain error. Further, the manner of reversing the taper according to the size end diameter and height is not feasible.
The existing common measurement mode is to position one end of the tapered roller, then measure the two ends of the tapered surface of the tapered roller through two dial gauges, and compare the measurement result with the standard tapered roller. Obviously, this measurement is not comprehensive and the taper cannot be intuitively determined. Therefore, a comprehensive and high-precision tool for detecting the external dimensions of the tapered roller is needed.
Disclosure of Invention
In order to overcome the defects in the background technology, the utility model discloses a tapered roller overall dimension detection tool, which adopts the following technical scheme:
the utility model provides a tapered roller overall dimension detects frock, includes the pedestal that has perpendicular through-hole, is fixed with down measuring ring in the lower part of through-hole, is provided with the upper measuring ring that can float from top to bottom in the upper portion of pedestal, and upper measuring ring and lower measuring ring coaxial arrangement, and the tangent contact of conical surface of upper measuring ring, lower measuring ring's interior anchor ring and tapered roller; the detection tool further comprises a first dial indicator, a second dial indicator and a third dial indicator, wherein the first dial indicator is used for measuring the distance between the upper measuring ring and the base, the second dial indicator is used for measuring the distance between the large end face of the tapered roller and the base, and the third dial indicator is used for measuring the distance between the small end face of the tapered roller and the base.
According to the technical scheme, an upper stepped hole is formed in the upper portion of the through hole, and the upper measuring ring is located in the upper stepped hole and is in sliding fit with the upper stepped hole; a pressure spring is arranged between the lower end face of the upper stepped hole and the upper measuring ring and is used for enabling the upper measuring ring to float up and down.
Further improving the technical scheme, a plurality of counter bores are uniformly distributed on the lower end face of the upper stepped hole, and the pressure spring is arranged in the counter bores.
Further improving the technical scheme, the seat body is provided with a first reference surface and a second reference surface; the detection tool further comprises a pressing sleeve which is in sliding fit with the upper stepped hole, and the pressing sleeve is propped against the upper measuring ring by means of dead weight; the first dial indicator is fixed on the pressing sleeve, and when the first dial indicator is detected, the measuring head of the first dial indicator is pressed on the second reference surface of the seat body.
According to the technical scheme, the detection tool further comprises a counterweight pressing block, and the second dial indicator is fixed on the counterweight pressing block; during detection, the counterweight pressing block is pressed on the large end face of the tapered roller, and the measuring head of the second dial indicator is pressed on the first reference surface of the seat body.
According to the technical scheme, a lower stepped hole is formed in the lower portion of the through hole, and the lower measuring ring is located in the lower stepped hole and is connected with the lower stepped hole in a matched mode; the detection tool further comprises an end cover with a spigot, the end cover is fixed on the lower end face of the seat body through a screw, and the spigot of the end cover is located in the lower stepped hole and used for upwards propping against the lower measuring ring.
Further improvement technical scheme, the third amesdial is fixed on the end cover, and during the detection, the gauge head of third amesdial supports and presses on the little end face of tapered roller.
Further improving the technical scheme, the inner ring surfaces of the upper measuring ring and the lower measuring ring are inwards protruding pointed convex surfaces, and the pointed convex surfaces are in tangential contact with the conical surfaces of the tapered rollers.
By adopting the technical scheme, compared with the background technology, the utility model has the following beneficial effects:
the detection tool realizes comprehensive detection of taper, large head end diameter, small head end diameter and height of the tapered roller through indexes of three dial indicators.
The detection tool has the advantages of convenience in assembly and operation, comprehensive detection and high efficiency, and can rapidly realize comprehensive general detection and grouping of tapered rollers.
The detection tool has a very high proportional amplification effect, can convert the tiny dimensional variation of the tapered roller on the diameter into larger dimensional variation along the axial direction of the tapered roller, has the amplification factor of tens of times at most, and greatly improves the detection precision and accuracy of the tapered roller.
Drawings
Fig. 1 shows a schematic structural diagram of the detection tool during detection.
Fig. 2 shows a schematic structure of the base.
Fig. 3 shows a schematic structural diagram of the detection tool before detection.
In the figure:
1. a base;
101. a through hole; 102. an upper stepped hole; 103. a lower stepped hole; 104. countersink; 105. a first reference surface; 106. a second reference surface;
2. a measuring ring is arranged on the upper part;
3. a lower measuring ring;
4. a pressure spring;
5. pressing the sleeve;
6. a counterweight pressing block;
7. an end cap;
8. a first dial gauge;
9. a second dial gauge;
10. a third dial gauge;
11. tapered rollers.
Detailed Description
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. It should be noted that, in the description of the present utility model, terms such as "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. It should also be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
The utility model provides a tapered roller overall dimension detects frock, as shown in FIG. 1, including having the pedestal 1 of perpendicular through-hole 101, be fixed with down measuring ring 3 in the lower part of through-hole 101, be provided with the upper measuring ring 2 that can float from top to bottom in the upper portion of pedestal 1, upper measuring ring 2 and lower measuring ring 3 coaxial arrangement, and the tangent contact of conical surface of upper measuring ring 2, lower measuring ring 3 and tapered roller 11. The detection tool further comprises a first dial indicator 8, a second dial indicator 9 and a third dial indicator 10, wherein the first dial indicator 8 is used for measuring the distance between the upper measuring ring 2 and the base body 1, the second dial indicator 9 is used for measuring the distance between the large end face of the tapered roller 11 and the base body 1, and the third dial indicator 10 is used for measuring the distance between the small end face of the tapered roller 11 and the base body 1.
Specifically, as shown in fig. 2, the entire base 1 is a revolution body, and the through hole 101 is located at the revolution center of the base 1. The through hole 101 is a taper hole with a large upper part and a small lower part, an upper stepped hole 102 is arranged at the upper part of the through hole 101, a lower stepped hole 103 is arranged at the lower part of the through hole 101, and the upper stepped hole 102, the lower stepped hole 103 and the through hole 101 are coaxially arranged. A plurality of counter bores 104 are uniformly distributed on the lower end surface of the upper stepped hole 102. A first reference surface 105 and a second reference surface 106 are arranged on the upper end surface of the seat body 1, wherein the height of the second reference surface 106 is lower than that of the first reference surface 105.
Referring to fig. 1, the lower measuring ring 3 is positioned in the lower stepped hole 103 and is engaged with the lower stepped hole 103. The detection tool further comprises an end cover 7 with a spigot, and the end cover 7 is fixed on the lower end face of the seat body 1 through screws. The spigot of the end cap 7 is positioned in the lower stepped hole 103, and when the screw is screwed, the spigot can be pressed upwards against the lower measuring ring 3, and the lower measuring ring 3 is fixed in the lower stepped hole 103. Such a design facilitates the disassembly and replacement of the lower measuring ring 3.
The third dial indicator 10 is fixed on the end cover 7, and during detection, the measuring head of the third dial indicator 10 is pressed against the small end face of the tapered roller 11 for measuring the distance between the small end face of the tapered roller 11 and the end cover 7 (or the seat body 1).
The upper measuring ring 2 is located in the upper stepped bore 102 and the upper measuring ring can be in sliding engagement with the upper stepped bore 102. A pressure spring 4 is installed in each counter bore 104, and the pressure springs 4 are used for enabling the upper measuring ring 2 to float up and down.
The inner ring surfaces of the upper measuring ring 2 and the lower measuring ring 3 are inward protruding sharp convex surfaces, and the sharp convex surfaces are in tangential contact with the conical surfaces of the tapered rollers 11. This design makes it possible to bring the upper measuring ring 2 and the lower measuring ring 3 into annular line contact with the conical surface.
The detection tool further comprises a pressing sleeve 5 in sliding fit with the stepped hole, and the pressing sleeve 5 is pressed against the upper measuring ring 2 by means of dead weight. The first dial indicator 8 is fixed on the pressing sleeve 5, and during detection, the measuring head of the first dial indicator 8 is pressed against the second reference surface 106 of the seat body 1 and used for measuring the distance between the upper measuring ring 2 and the second reference surface 106 of the seat body 1.
The detection tool further comprises a counterweight pressing block 6, and a second dial indicator 9 is fixed on a cantilever of the counterweight pressing block 6. During detection, the counterweight pressing block 6 presses on the large end face of the tapered roller 11, and the counterweight pressing block 6 is used for increasing the downward pressure of the tapered roller 11, so that the tapered roller 11 is prevented from being sprung upwards by the pressure spring 4. The measuring head of the second dial indicator 9 is pressed against the first reference surface 105 of the base 1 and is used for measuring the distance between the large end surface of the tapered roller 11 and the first reference surface 105 of the base 1.
Refer to fig. 3. Before measurement, the small end of the tapered roller 11 is placed downwards in the through hole 101 of the seat body 1, then the pressing sleeve 5 is pressed downwards, at the moment, the lower measuring ring 3 is in tangential contact with the conical surface of the tapered roller 11, the upper measuring ring 2 is not in contact with the conical surface of the tapered roller 11, the measuring head of the first dial indicator 8 is pressed on the second reference surface 106 of the seat body 1, the measuring head of the second dial indicator 9 is pressed on the first reference surface 105 of the seat body 1, the measuring head of the third dial indicator 10 is pressed on the small end surface of the tapered roller 11, and the pointers of the first dial indicator 8, the second dial indicator 9 and the third dial indicator 10 rotate clockwise after being pressed.
Referring to fig. 1, during measurement, the pressing of the pressing sleeve 5 is released, and the upper measuring ring 2 and the pressing sleeve 5 move upwards under the action of the pressure spring 4 until the upper measuring ring 2 is in tangential contact with the conical surface of the tapered roller 11. At this time, the pointers of the first dial indicator 8 and the second dial indicator 9 are respectively rotated counterclockwise to a certain index. Comparing the index with an index interval of a standard tapered roller, and if the index is lower than a qualified interval, indicating that the taper of the tapered roller 11 is overlarge; if the index is higher than the acceptable interval, the taper of the tapered roller 11 is too small; if the index is within the pass interval, it is indicated that the taper of the tapered roller 11 is acceptable.
In addition, by comparing with the index interval of the standard tapered roller, whether the diameter of the large end of the tapered roller 11 is qualified or not can be judged by the index of the second dial indicator 9, whether the diameter of the small end of the tapered roller 11 is qualified or not can be judged by the index of the third dial indicator 10, and whether the height of the tapered roller 11 is qualified or not can be judged by the addition of the indexes of the second dial indicator 9 and the third dial indicator 10. Therefore, the detection tool realizes comprehensive detection of taper, large head end diameter, small head end diameter and height of the tapered roller through indexes of the three dial indicators.
From the above, the detection tool has the advantages of convenient operation, comprehensive detection and high efficiency, and can rapidly realize comprehensive general detection and grouping of the tapered rollers. In addition, the detection tool has a very high proportional amplification effect, can convert the tiny dimensional variation of the tapered roller on the diameter into larger dimensional variation along the axial direction of the tapered roller, has the amplification factor of tens of times at most, and greatly improves the detection precision and accuracy of the tapered roller.
The parts not described in detail are prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (8)
1. A tapered roller overall dimension detects frock, characterized by: the device comprises a seat body with a vertical through hole, wherein a lower measuring ring is fixed at the lower part of the through hole, an upper measuring ring capable of floating up and down is arranged at the upper part of the seat body, the upper measuring ring and the lower measuring ring are coaxially arranged, and the inner ring surfaces of the upper measuring ring and the lower measuring ring are in tangential contact with the conical surface of a tapered roller; the detection tool further comprises a first dial indicator, a second dial indicator and a third dial indicator, wherein the first dial indicator is used for measuring the distance between the upper measuring ring and the base, the second dial indicator is used for measuring the distance between the large end face of the tapered roller and the base, and the third dial indicator is used for measuring the distance between the small end face of the tapered roller and the base.
2. The tool for detecting the outline dimension of the tapered roller according to claim 1, wherein the tool is characterized in that: an upper stepped hole is formed in the upper portion of the through hole, and the upper measuring ring is located in the upper stepped hole and is in sliding fit with the upper stepped hole; a pressure spring is arranged between the lower end face of the upper stepped hole and the upper measuring ring and is used for enabling the upper measuring ring to float up and down.
3. The tapered roller overall dimension detection tool of claim 2, wherein: a plurality of counter bores are uniformly distributed on the lower end face of the upper stepped hole, and the pressure springs are arranged in the counter bores.
4. The tool for detecting the outline dimension of the tapered roller according to claim 1, wherein the tool is characterized in that: the base body is provided with a first reference surface and a second reference surface; the detection tool further comprises a pressing sleeve which is in sliding fit with the upper stepped hole, and the pressing sleeve is propped against the upper measuring ring by means of dead weight; the first dial indicator is fixed on the pressing sleeve, and when the first dial indicator is detected, the measuring head of the first dial indicator is pressed on the second reference surface of the seat body.
5. The tapered roller overall dimension detection tool of claim 4, wherein: the detection tool further comprises a counterweight pressing block, and the second dial indicator is fixed on the counterweight pressing block; during detection, the counterweight pressing block is pressed on the large end face of the tapered roller, and the measuring head of the second dial indicator is pressed on the first reference surface of the seat body.
6. The tool for detecting the outline dimension of the tapered roller according to claim 1, wherein the tool is characterized in that: the lower part of the through hole is provided with a lower stepped hole, and the lower measuring ring is positioned in the lower stepped hole and is connected with the lower stepped hole in a matching way; the detection tool further comprises an end cover with a spigot, the end cover is fixed on the lower end face of the seat body through a screw, and the spigot of the end cover is located in the lower stepped hole and used for upwards propping against the lower measuring ring.
7. The tapered roller overall dimension detection tool of claim 6, wherein: and the third dial indicator is fixed on the end cover, and when the detection is carried out, the measuring head of the third dial indicator is propped against the small end face of the tapered roller.
8. The tool for detecting the outline dimension of the tapered roller according to claim 1, wherein the tool is characterized in that: the inner ring surfaces of the upper measuring ring and the lower measuring ring are inwards protruding sharp convex surfaces, and the sharp convex surfaces are in tangential contact with the conical surfaces of the tapered rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264456.3U CN219368626U (en) | 2023-02-21 | 2023-02-21 | Tapered roller overall dimension detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264456.3U CN219368626U (en) | 2023-02-21 | 2023-02-21 | Tapered roller overall dimension detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368626U true CN219368626U (en) | 2023-07-18 |
Family
ID=87147341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320264456.3U Active CN219368626U (en) | 2023-02-21 | 2023-02-21 | Tapered roller overall dimension detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368626U (en) |
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2023
- 2023-02-21 CN CN202320264456.3U patent/CN219368626U/en active Active
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