CN212179738U - Multipurpose ring gauge for calibrating measuring tool of brake drum - Google Patents
Multipurpose ring gauge for calibrating measuring tool of brake drum Download PDFInfo
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- CN212179738U CN212179738U CN202021341383.6U CN202021341383U CN212179738U CN 212179738 U CN212179738 U CN 212179738U CN 202021341383 U CN202021341383 U CN 202021341383U CN 212179738 U CN212179738 U CN 212179738U
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Abstract
The utility model discloses a multi-purpose ring gauge for calibrating a brake drum measuring tool, which comprises a ring gauge body, wherein the ring gauge body is provided with a plurality of outer annular grooves extending to any end surface of the ring gauge body along the ring surface of the ring gauge body, and the arrangement depth of the plurality of outer annular grooves of the same end surface is reduced from outside to inside in sequence; the ring gauge body is coaxially provided with a plurality of inner circular grooves along the end face, and the depth of the plurality of inner circular grooves on the same end face is reduced from inside to outside in sequence. The utility model discloses set up a plurality of degree of depth difference, outer annular groove and interior circular slot that the size differs at the both ends face of ring gauge body to the lateral wall that each annular slot formed is as the benchmark, with the diameter size of the inner ring diameter size of each annular slot and each circular slot as the calibration volume, carry out many sizes to the measuring tool for the brake drum and calibrate, greatly increased the range of application of ring gauge body, make it can one rule multi-purpose, not only improved the calibration speed of measuring tool, still guarantee the accuracy and the product size precision of measuring tool size.
Description
Technical Field
The utility model relates to a measuring tool calibration technical field especially relates to a brake drum measuring tool is to multi-purpose ring gauge of calibration usefulness.
Background
The brake drum is used as a brake friction piece in an automobile brake system, when an automobile is braked, a friction piece is driven by a brake block to expand outwards to generate friction with the brake drum, kinetic energy of the automobile is converted into heat energy to realize braking and speed reduction, the brake drum has higher safety performance requirements, and is a key safety part of automobile parts. As shown in fig. 1, three critical characteristic dimensions exist in the brake drum part processing, namely a brake surface diameter 201, a hub assembling and positioning spigot diameter 202 and a hub assembling and positioning hole diameter 203, in the production and inspection processes, measuring tools such as a micrometer, a micrometer and a dial indicator are required to perform multi-frequency detection, but after the measuring tools are used frequently, a gauge head and a measuring rod are easy to loose, and the measuring tool dimensions are required to be calibrated at irregular time, so that the measuring tool dimensions are ensured to be accurate.
In the prior art, an outside micrometer is usually used for calibrating the size of a measuring tool of a brake drum, zero position calibration, oil stain removal, pipe sleeve adjustment, fine adjustment screw rod adjustment and the like are required, the whole calibration time is long, the outside micrometer is easy to wear and loosen, the situation that the measuring tool is calibrated unqualifiedly occurs, and a measured product is scrapped.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above problems, it is necessary to provide a brake drum measuring tool as a standard gauge for calibrating a multi-purpose ring gauge for calibrating a measuring tool, so as to calibrate the measuring tool, improve the calibration speed of the measuring tool, and ensure the dimensional accuracy and product dimensional precision of the measuring tool.
A multi-purpose ring gauge for calibrating a brake drum measuring tool comprises a ring gauge body, wherein the ring gauge body is provided with a plurality of outer annular grooves extending to any end face of the ring gauge body along the ring surface of the ring gauge body, and the depth of the plurality of outer annular grooves on the same end face is reduced from outside to inside; the ring gauge body is coaxially provided with a plurality of inner circular grooves along the end face, and the depth of the plurality of inner circular grooves on the same end face is reduced from inside to outside in sequence.
In one embodiment, the outer annular grooves comprise a first outer annular groove formed in the upper end face of the ring gauge body, and a second outer annular groove and a third outer annular groove formed in the lower end face of the ring gauge body in sequence from outside to inside; a first annular blocking wall is formed between the first outer annular groove and the second outer annular groove.
In one embodiment, the inner circular groove comprises a first inner circular groove arranged on the upper end surface of the ring gauge body, and a second inner circular groove and a third inner circular groove which are arranged on the lower end surface of the ring gauge body from inside to outside in sequence.
In one embodiment, a second annular blocking wall is formed between the first outer annular groove and the first inner annular groove; a third annular blocking wall is formed between the third outer annular groove and the third inner circular groove.
In one embodiment, the center of the end surface of the ring gauge body is provided with a through hole which penetrates through the upper end surface and the lower end surface of the ring gauge body.
In one embodiment, the sidewalls of the plurality of outer annular grooves and the plurality of inner annular grooves are provided with a wear layer.
In one embodiment, the outer corners formed by forming the plurality of outer annular grooves and the plurality of inner annular grooves on the ring gauge body are rounded.
In one embodiment, the outer diameter of the first annular blocking wall is 466mm, the inner ring diameter of the first outer annular groove is 410mm, the inner ring diameter of the second outer annular groove is 380mm, the inner ring diameter of the third outer annular groove is 328mm, the diameter of the first inner annular groove is 369mm, the diameter of the second inner annular groove is 282mm, and the diameter of the third inner annular groove is 298 mm.
Compared with the prior art, the utility model discloses examine utensil as brake drum measuring tool's standard with the ring gage, and to offering a plurality of degree of depth differences at the both ends face of ring gage body, outer annular groove and interior annular groove that the size differs, use the lateral wall that each annular groove formed as the benchmark, carry out many sizes calibration as the calibration volume with the diameter size of the interior ring diameter size of each annular groove and each circular recess to the measuring tool, ring gage range of application has greatly been increased, one rule is multi-purpose, not only the calibration speed of measuring tool has been improved, still guarantee measuring tool size's accuracy and product size precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a brake drum provided in the background art of the present invention;
fig. 2 is a schematic structural diagram of an upper end surface of a multi-purpose ring gauge for calibrating a brake drum measuring gauge according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower end surface of a multi-purpose ring gauge for calibrating a brake drum measuring gauge according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating dimension labeling of a multi-purpose ring gauge for calibrating a measuring tool of a brake drum according to an embodiment of the present invention.
Wherein: 1-a first outer annular groove, 2-a second outer annular groove, 3-a third outer annular groove, 4-a first inner annular groove, 5-a second inner annular groove, 6-a third inner annular groove, 7-a first annular blocking wall, 8-a second annular blocking wall, 9-a third annular blocking wall, 10-a through hole, L1-a braking surface diameter, L2-a hub assembling and positioning spigot diameter, L3-a hub assembling and positioning hole diameter, D1-an outer diameter of the first annular blocking wall, D2-an inner ring diameter of the first outer annular groove, D3-an inner ring diameter of the second outer annular groove, D4-an inner ring diameter of the third outer annular groove, D5-a diameter of the first outer annular groove, D6-a diameter of the second inner annular groove, and D7-a diameter of the third inner annular groove. D8-the diameter of the through hole, H1-the height of the ring gauge body, H2-the depth of the first outer annular groove, H3-the depth of the second outer annular groove, H4-the depth of the third outer annular groove, H5-the depth of the first inner annular groove, H6-the depth of the second inner annular groove, H7-the depth of the third inner annular groove, 100-the ring gauge body, 200-the brake drum, 201-the diameter of the brake surface, 202-the diameter of the hub assembly positioning spigot and 203-the diameter of the hub assembly positioning hole.
Detailed Description
To facilitate an understanding of the present invention, a brake drum gauge will be described more fully below with reference to the accompanying drawings. The preferred embodiment of the multi-purpose ring gauge for brake drum gauge testing is shown in the attached drawings. However, the brake drum gauge verification multipurpose ring gauge may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the multi-purpose ring gauge for brake drum gauge testing is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 2, an embodiment of the present invention provides a multi-purpose ring gauge for calibrating a brake drum measuring gauge, which includes a ring gauge body 100, wherein the ring gauge body 100 is provided with a plurality of outer annular grooves extending to any end surface of the ring gauge body 100 along an annular surface of the ring gauge body 100, and the depth of the plurality of outer annular grooves on the same end surface decreases from outside to inside; the ring gauge body 100 is coaxially provided with a plurality of inner circular grooves along the end face and the ring gauge body 100, and the depth of the plurality of inner circular grooves on the same end face is reduced from inside to outside in sequence. Through the design of the outer annular grooves and the inner annular grooves, the inner side walls of the outer annular grooves with different depths and sizes are used as reference surfaces, the diameter size of the inner ring of each outer annular groove is used as calibration quantity, and multi-size calibration is carried out on the external micrometer; the side walls of a plurality of inner circular grooves with different depths and sizes are used as reference surfaces, the diameter size of each inner circular groove is used as a calibration amount, the inner diameter dial indicator and the inner diameter dial indicator are calibrated in multiple sizes, the application range of the ring gauge body 100 is greatly enlarged, one gauge can be used for multiple purposes, and the calibration speed of the measuring tool is improved.
Further, as shown in fig. 2, the outer annular groove comprises a first outer annular groove 1 arranged on the upper end surface of the ring gauge body 100, and a second outer annular groove 2 and a third outer annular groove 3 arranged on the lower end surface of the ring gauge body 100 in sequence from outside to inside, and the outer annular grooves are arranged in a staggered manner on the upper end surface and the lower end surface of the ring gauge body 100, so that the dead weight of the ring gauge body 100 on the two end surfaces is approximately the same, and the structure is more stable; a first annular blocking wall 7 is formed between the first outer annular groove 1 and the second outer annular groove 2, the first annular blocking wall 7 can separate the outer annular grooves on the upper end surface and the lower end surface of the ring gauge body 100, the outer surface of the first annular blocking wall 7 (namely the annular surface of the ring gauge body 100) can be used as a reference surface for calibrating the outside micrometer, the outside diameter of the first annular blocking wall 7 is used as a calibration quantity, and the application range of the ring gauge body 100 is enlarged.
Further, as shown in fig. 2, the inner circular groove includes a first inner circular groove 4 formed on the upper end surface of the ring gauge body 100, and a second inner circular groove 5 and a third inner circular groove 6 formed on the lower end surface of the ring gauge body 100 in sequence from inside to outside. Through with interior circular slot at the crisscross setting of the upper and lower terminal surface of ring gauge body 100 for the dead weight atress of ring gauge body 100 at both ends face is roughly the same, and the structure is more firm.
Further, as shown in fig. 2, a second annular blocking wall 8 is formed between the first outer annular groove 1 and the first inner annular groove 4; a third annular blocking wall 9 is formed between the third outer annular groove 3 and the third inner annular groove 6. The outer annular groove and the inner annular groove which are positioned on the same end face of the ring gauge body 100 are separated through the second annular blocking wall 8 and the third annular blocking wall 9, the arrangement spaces of the outer annular groove and the inner annular groove are reasonably distributed, the outer side wall and the inner side wall of the second annular blocking wall 8 are used as reference surfaces of the first outer annular groove 1 and the first inner annular groove 4, the diameter of the outer side wall and the diameter of the inner side wall of the second annular blocking wall 8 are used as calibration quantities, and calibration of various measuring tools is carried out; and the outer side wall and the inner side wall of the third annular blocking wall 9 are used as reference surfaces of the third outer annular groove 3 and the third inner circular groove 6, and the diameter of the outer side wall and the diameter of the inner side wall of the third annular blocking wall 9 are used as calibration quantities to calibrate various measuring tools.
Further, as shown in fig. 2, a through hole 10 passing through the upper and lower end faces of the ring gauge body 100 is formed in the center of the end face of the ring gauge body 100, and the ring gauge body 100 is taken and placed through the through hole 10, so that the influence on the calibration accuracy due to the contact with the side walls of the ring grooves and the ring blocking walls is avoided; the ring gauge body 100 can also pass through a hanging piece through the through hole 10 and be hung on the hanging piece, so that the ring gauge is convenient to store. Specifically, the diameter D8 of the through-hole 10 may be 50 mm.
Further, the wear-resistant layer (not shown) is disposed on the side walls of the plurality of outer circular grooves and the plurality of inner circular grooves, so as to reduce the wear of the side walls during calibration, thereby affecting the calibration accuracy of the ring gauge body 100. When the wear-resistant layer is provided, it is ensured that the outer surface of the wear-resistant layer on each side wall is flush with each side wall to ensure accurate calibration.
Further, as shown in fig. 2, the outer corners formed by forming the plurality of outer annular grooves and the plurality of inner annular grooves on the ring gauge body 100 are rounded, so that the sharpness of the outer corners is reduced, and the measuring tools are prevented from being scratched when the multipurpose ring gauge is used for calibrating the measuring tools. Specifically, take the utility model provides a multi-purpose ring gauge as an example, the external corner is eight, including the external corner of first annular fender wall 7 both sides, the external corner of second annular fender wall 8 both sides, the external corner that the third annular keeps off the wall 9 both sides, the external corner that forms between second outer ring channel 2 and the third outer annular groove 3 to and the external corner that forms between second inner circular groove 5 and the third inner circular groove 6.
Further, as shown in fig. 4, based on the nominal dimensions of three key characteristics of the brake drum, 7 common heavy truck brake drum dimensional values are determined, the ring gauge body 100 provided by the embodiment of the utility model is specially designed to make the outer diameter D1 of the first ring-shaped baffle 7 466mm, the inner ring diameter D2 of the first outer annular groove 1 410mm, the inner ring diameter D3 of the second outer annular groove 2 380mm, the inner ring diameter D4 of the third outer annular groove 3 328mm, the diameter D5 of the first inner annular groove 4 369mm, the diameter D6 of the second inner annular groove 5 282mm, the diameter D7 of the third inner annular groove 6 298mm, the calibration of the outside micrometer, the inside micrometer and the inside micrometer is carried out by adopting different annular grooves or annular blocking walls according to different brake drum sizes, the caliper has multiple purposes, the calibration speed of the brake drum measuring tool is improved, and meanwhile, the accuracy of the measuring tool size and the product size precision are guaranteed. More specifically, as shown in fig. 4, the depth of 6 groove bodies formed on the ring gauge body 100 is specially designed, on the basis that the height H1 of the ring gauge body 100 is 70mm, the depth H2 of the first outer annular groove 1 is 15mm, the depth H3 of the second outer annular groove 2 is 35mm, the depth H4 of the third outer annular groove 3 is 20mm, the depth H5 of the first inner annular groove 4 is 25mm, the depth H6 of the second inner annular groove 5 is 11mm, the depth H7 of the third inner annular groove 6 is 25mm, different annular grooves or annular baffles are adopted to calibrate an outer micrometer, an inner dial indicator and an inner dial indicator according to different brake drum sizes, and the gauge is multipurpose, so that the accuracy of the gauge size and the product size precision are ensured while the calibration speed of the brake drum gauge is increased.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A multi-purpose ring gauge for calibrating a brake drum measuring tool is characterized by comprising a ring gauge body, wherein the ring gauge body is provided with a plurality of outer ring grooves extending to any end face of the ring gauge body along the ring surface of the ring gauge body, and the depth of the plurality of outer ring grooves on the same end face is reduced from outside to inside in sequence; the ring gauge body is coaxially provided with a plurality of inner circular grooves along the end face, and the arrangement depth of the inner circular grooves on the same end face is reduced from inside to outside in sequence.
2. The multipurpose ring gauge for calibrating a brake drum gauge according to claim 1, wherein the outer annular groove comprises a first outer annular groove formed in an upper end surface of the ring gauge body, and a second outer annular groove and a third outer annular groove formed in a lower end surface of the ring gauge body in sequence from outside to inside; and a first annular blocking wall is formed between the first outer annular groove and the second outer annular groove.
3. The multi-purpose ring gauge of claim 2, wherein the inner circular groove comprises a first inner circular groove formed in an upper end surface of the ring gauge body, and a second inner circular groove and a third inner circular groove formed in a lower end surface of the ring gauge body in sequence from inside to outside.
4. The multi-purpose ring gauge for calibrating a brake drum gauge according to claim 3, wherein a second annular barrier is formed between the first outer annular groove and the first inner annular groove; and a third annular blocking wall is formed between the third outer annular groove and the third inner circular groove.
5. The multipurpose ring gauge for calibrating a measuring gauge of a brake drum according to claim 1, wherein a through hole penetrating through upper and lower end faces of the ring gauge body is formed in the center of the end face of the ring gauge body.
6. The multi-purpose ring gauge of claim 1, wherein the side walls of a plurality of said outer annular grooves and a plurality of said inner annular grooves are provided with a wear layer.
7. The multi-purpose ring gauge for brake drum gauging according to claim 1, wherein the ring gauge body is chamfered at the outer corners formed by the plurality of outer annular grooves and the plurality of inner annular grooves.
8. The multipurpose ring gauge for calibrating a brake drum gauge according to claim 4, wherein the first annular blocking wall has an outer diameter of 466mm, the first outer annular groove has an inner diameter of 410mm, the second outer annular groove has an inner diameter of 380mm, the third outer annular groove has an inner diameter of 328mm, the first inner annular groove has a diameter of 369mm, the second inner annular groove has a diameter of 282mm, and the third inner annular groove has a diameter of 298 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021341383.6U CN212179738U (en) | 2020-07-09 | 2020-07-09 | Multipurpose ring gauge for calibrating measuring tool of brake drum |
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| CN202021341383.6U CN212179738U (en) | 2020-07-09 | 2020-07-09 | Multipurpose ring gauge for calibrating measuring tool of brake drum |
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| CN212179738U true CN212179738U (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115752134A (en) * | 2022-11-01 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Multi-specification composite calibrating ring gauge for calibrating inner diameter measurer |
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2020
- 2020-07-09 CN CN202021341383.6U patent/CN212179738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115752134A (en) * | 2022-11-01 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Multi-specification composite calibrating ring gauge for calibrating inner diameter measurer |
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