CN217818422U - Special sheet-type plug gauge for detecting radial size of conical hole - Google Patents
Special sheet-type plug gauge for detecting radial size of conical hole Download PDFInfo
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- CN217818422U CN217818422U CN202221253443.8U CN202221253443U CN217818422U CN 217818422 U CN217818422 U CN 217818422U CN 202221253443 U CN202221253443 U CN 202221253443U CN 217818422 U CN217818422 U CN 217818422U
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- conical hole
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Abstract
The utility model discloses a special sheet type feeler gauge of inspection circular cone radial dimension of feeler gauge measuring tool technical field, aim at solving annular feeler gauge and use inconvenient and long technical problem consuming time, this feeler gauge includes the body and sets up in the bar type boss of body top the both sides of body are equipped with tapering measuring surface I and tapering measuring surface II respectively, tapering measuring surface I and tapering measuring surface II mirror symmetry, and the interval of both tops is the extreme dimension I of the circular cone big diameter end that awaits measuring, the interval of both bottoms is the extreme dimension II of the circular cone small diameter end that awaits measuring, extreme dimension I and extreme dimension II are same type extreme dimension; the length of the boss is larger than the limit size I of the conical hole to be measured, so that the lower surface of the boss forms a reference surface. The utility model discloses simple structure, convenient operation can accomplish the inspection of graphite electrode taper hole internal diameter radial dimension fast, rejects the graphite electrode that is not conform to dimensional requirement, is applicable to the on-line measuring of graphite electrode.
Description
Technical Field
The utility model relates to a feeler gauge measuring tool technical field, concretely relates to special piece type feeler gauge of inspection taper hole radial dimension.
Background
The graphite electrode joint is a fitting of a graphite electrode and is matched with the graphite electrode for use, as shown in figure 1, the graphite electrode is integrally cylindrical in shape, and two ends of the graphite electrode are provided with coaxial conical holes. The inner diameter of the conical holes at two ends of the finished graphite electrode needs to be checked to meet the requirements, if the inner diameter is too large, a gap can be formed when the graphite electrode is assembled with the graphite electrode joint, and if the inner diameter is too small, the graphite electrode cannot be assembled with the graphite electrode joint. The conventional inspection method adopts a thread plug gauge for measurement, but the method has the defects of complicated steps, long time consumption (screwing in and screwing out of the thread plug gauge) and unsuitability for detecting various products on line.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a special sheet type feeler gauge of inspection circular cone hole radial dimension to solve annular feeler gauge and use inconvenient and long technical problem consuming time.
The utility model discloses the technical scheme who adopts does:
designing a special sheet-type plug gauge for checking the radial size of a conical hole, wherein the special sheet-type plug gauge comprises a body and a strip-type boss arranged at the top of the body along the length direction of the body, the height of the body is equal to the depth of the conical hole to be tested, a taper measuring surface I and a taper measuring surface II are respectively arranged on two sides of the length direction of the body, the taper measuring surface I and the taper measuring surface II are in mirror symmetry, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the limit size I of the large-diameter end of the conical hole to be tested, the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the limit size II of the small-diameter end of the conical hole to be tested, and the limit sizes I and the limit size II are the same type of limit sizes; the length of the boss is larger than the limit size I of the conical hole to be measured, so that the lower surface of the boss forms a reference surface.
Preferably, the extreme dimension i and the extreme dimension ii are both upper extreme dimensions.
Preferably, the limit size I and the limit size II are both lower limit sizes.
Preferably, a plurality of lightening holes are formed in the body.
Preferably, the plug gauge further comprises a sliding block I and a sliding block II, one side of the sliding block I and one side of the sliding block II correspond to one side of the length direction of the body respectively and are in sliding connection, the top end of the sliding block I is connected with the boss in a clamping mode, one side, away from each other, of the sliding block I and the sliding block II is correspondingly provided with a taper measuring surface III and a taper measuring surface IV, the taper measuring surface III and the taper measuring surface IV are in mirror symmetry, the distance between the top ends of the taper measuring surface III and the taper measuring surface IV is the upper limit size of the large-diameter end of the conical hole to be measured, the distance between the bottom ends of the taper measuring surface III and the taper measuring surface IV is the upper limit size of the small-diameter end of the conical hole to be measured, and the length of the boss is larger than the upper limit size of the large-diameter end of the conical hole to be measured.
Preferably, the body comprises a left side plate, a right side plate and a connecting plate, the left side of the left side plate is the taper measuring surface I, the bottom end of the left side plate is fixedly connected with the left end of the connecting plate, the right side of the right side plate is the taper measuring surface II, and the bottom end of the right side plate is fixedly connected with the right end of the connecting plate; the length of the connecting plate is adjustable, four clamping grooves are formed in the boss along the length direction of the boss, and the top ends of the left side plate and the right side plate are provided with buckles matched with the clamping grooves; when the buckle is clamped with the middle two clamping grooves, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the lower limit size of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the lower limit size of the small-diameter end of the conical hole to be measured; when the buckle is clamped with the two clamping grooves on the outer side, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the upper limit size of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the upper limit size of the small-diameter end of the conical hole to be measured.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses simple structure, convenient operation can accomplish graphite electrode taper hole internal diameter radial dimension's inspection fast, rejects the graphite electrode that is not conform to the dimensional requirement, is applicable to the on-line measuring of graphite electrode.
2. The go gauge and the no-go gauge which are matched for use are arranged into an integrated structure, so that the phenomenon that the go gauge or the no-go gauge is lack can be effectively prevented; and simultaneously, the storage and carrying of the plug gauge are convenient.
Drawings
FIG. 1 is a schematic view of a graphite electrode;
FIG. 2 is a schematic structural view of the go gauge of the present invention;
FIG. 3 is a schematic structural view of the no-go gauge of the present invention;
FIG. 4 is a schematic view of the present invention;
fig. 5 is a second schematic structural diagram of the present invention;
1 is the body, and 2 are the boss, and 3 are the reference surface, and 4 are the tapering measurement face I, and 5 are the tapering measurement face II, and 6 are the lightening hole, and 7 are slider I, and 8 are slider II, and 9 are the buckle, and 10 are the draw-in groove, and 11 are the tapering measurement face III, and 12 are the tapering measurement face IV, and 13 are the left side board, 14 are the right side board, and 15 are the connecting plate.
Detailed Description
The following examples are provided only for illustrating the present invention in detail and are not intended to limit the scope of the present invention in any way. The components, structures, mechanisms and the like of the unit modules in the following examples are all conventional and commercially available products unless otherwise specified.
Example 1: a special sheet-type plug gauge for testing the radial size of conic hole features that it is a special measuring tool without scale, and only can judge if the product is in the limit range.
As shown in fig. 2, the go-gauge comprises a body 1 and a strip-shaped boss 2, the boss 2 is arranged at the top of the body 1 along the length direction of the body 1, the length of the boss 2 is larger than that of the body 1 so that the lower surface of the boss 2 forms a reference surface 3, the height H of the body 1 is equal to the depth of the conical hole to be measured, a taper measuring surface i 4 and a taper measuring surface ii 5 are respectively arranged at two sides of the length direction of the body 1, the taper measuring surface i 4 and the taper measuring surface ii 5 are both planes and are in mirror symmetry, the distance between the top ends of the two is the lower limit dimension D-of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the two is the lower limit dimension D-of the small-diameter end of the conical hole to be measured.
As shown in fig. 3, the structure of the no-go gauge is substantially the same as that of the go gauge, except that: the distance between the top ends of the taper measuring surface I4 and the taper measuring surface II 5 is the upper limit dimension D + of the large diameter end of the conical hole to be measured, and the distance between the bottom ends of the taper measuring surface I4 and the taper measuring surface II 5 is the upper limit ruler D + of the small diameter end of the conical hole to be measured.
In order to reduce the weight of the plug gauge and facilitate carrying, a plurality of lightening holes 6 are arranged on the body 1.
Example 2: a special sheet-type plug gauge for testing the radial size of a conical hole is a special measuring tool without scales, and can only judge whether a product is in a specified testing limit range.
As shown in fig. 4, the present embodiment is substantially the same as the general gauge structure in embodiment 1, except that: still include slider I7 and slider II 8, the right side of slider I7 and the left side sliding connection of body 1, the left side of slider II 8 and the right side sliding connection of body 1, the top of slider I7 and slider II 8 all is equipped with buckle 9 to with the 10 joints of draw-in groove that set up on the boss 2. One side (left side) that slider I7 deviates from slider II 8 is equipped with tapering and measures face III 11, one side (right side) that slider II 8 deviates from slider I7 is equipped with tapering and measures face IV 12, tapering is measured face III 11 and tapering and is measured face IV 12 and is plane and mirror symmetry, and the interval on both tops is the last limit size D + of the big footpath end of the circular cone hole that awaits measuring, the interval of both bottoms is the lower limit size D + of the small footpath end of circular cone hole that awaits measuring, the length of boss 2 is greater than the last limit size D + of the big footpath end of circular cone hole that awaits measuring so that the lower surface of boss 2 forms datum plane 3.
Example 3: a special sheet-type plug gauge for testing the radial size of a conical hole is a special measuring tool without scales, and can only judge whether a product is in a specified testing limit range.
As shown in fig. 5, this plug gauge includes body 1 and strip type boss 2, boss 2 sets up in the top of body 1 along 1 length direction of body, the height H of body 1 equals the degree of depth of the taper hole that awaits measuring, body 1 includes left side board 13, right side board 14 and connecting plate 15, face I4 is measured for the tapering to the left side of left side board 13, the bottom is fixed continuous with the left end of connecting plate 15, the top is equipped with buckle 9, face II 5 is measured for the tapering to the right side of right side board 14, the bottom is fixed continuous with the right end of connecting plate 15, the top is equipped with buckle 9, connecting plate 15 adjustable length, be equipped with four draw-in grooves 10 with buckle 9 matched with along its length direction on boss 2. When the buckle 9 is clamped with the middle two clamping grooves 10, the taper measuring surface I4 and the taper measuring surface II 5 are in mirror symmetry, the distance between the top ends of the two surfaces is the lower limit dimension D-of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the two surfaces is the lower limit dimension D-of the small-diameter end of the conical hole to be measured; when the buckle 9 is clamped with the two clamping grooves 10 in the outer side, the taper measuring surface I4 and the taper measuring surface II 5 are in mirror symmetry, and the distance between the top ends of the taper measuring surface I4 and the taper measuring surface II 5 is the upper limit size D + of the large-diameter end of the conical hole to be measured and the distance between the top ends of the taper measuring surface I and the taper measuring surface II + is the upper limit size D + of the small-diameter end of the conical hole to be measured.
The operation and use method of the sheet type plug gauge comprises the following steps:
when the radial size of the inner diameter of the conical hole of the graphite electrode is tested to meet the requirement, a go gauge and a plug gauge are required to be used in a matched mode; during detection, the reference surface 3 of the go gauge is in contact with the end face of the large-diameter end of the internal thread of the electrode conical hole without a gap, and the two taper measuring surfaces are spaced from the small-diameter end of the internal thread of the electrode conical hole, so that the aperture of the electrode conical hole is not smaller than the minimum limit size; the two taper measuring surfaces of the no-go gauge are in close contact with the small-diameter end of the internal thread of the electrode conical hole without a gap, and the reference surface 3 and the end surface of the large-diameter end of the internal thread of the electrode conical hole have a gap, so that the aperture of the electrode conical hole is not larger than the maximum limit size.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A special sheet type plug gauge for detecting the radial size of a conical hole is characterized in that: the taper measuring device comprises a body and a strip-shaped boss arranged at the top of the body along the length direction of the body, wherein the height of the body is equal to the depth of a conical hole to be measured, a taper measuring surface I and a taper measuring surface II are respectively arranged on two sides of the length direction of the body, the taper measuring surface I and the taper measuring surface II are in mirror symmetry, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the limit size I of the large-diameter end of the conical hole to be measured, the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the limit size II of the small-diameter end of the conical hole to be measured, and the limit size I and the limit size II are the same limit size; the length of the boss is larger than the limit size I of the conical hole to be measured, so that the lower surface of the boss forms a reference surface.
2. The special blade-type plug gauge for checking the radial dimension of a conical bore according to claim 1, wherein: the limit size I and the limit size II are both upper limit sizes.
3. The special blade-type plug gauge for checking the radial dimension of a conical bore according to claim 1, wherein: the limit size I and the limit size II are both lower limit sizes.
4. The special blade-type plug gauge for checking the radial dimension of a conical bore according to claim 1, wherein: the body is provided with a plurality of lightening holes.
5. The special blade-type plug gauge for checking the radial dimension of a conical bore according to claim 3, wherein: the plug gauge further comprises a sliding block I and a sliding block II, one side of the sliding block I and one side of the sliding block II correspond to one side of the length direction of the body in a sliding connection mode, the top end of the sliding block I and the other side of the sliding block II deviate from each other are correspondingly provided with a taper measuring surface III and a taper measuring surface IV, the taper measuring surface III and the taper measuring surface IV are in mirror symmetry, the distance between the top end of the taper measuring surface III and the top end of the taper measuring surface IV is the upper limit size of the large-diameter end of the conical hole to be measured, the distance between the bottom end of the taper measuring surface III and the bottom end of the slide block II is the upper limit size of the small-diameter end of the conical hole to be measured, and the length of the boss is larger than the upper limit size of the large-diameter end of the conical hole to be measured.
6. The special blade-type plug gauge for checking the radial dimension of a conical bore according to claim 3, wherein: the body comprises a left side plate, a right side plate and a connecting plate, wherein the left side of the left side plate is provided with a taper measuring surface I, the bottom end of the left side plate is fixedly connected with the left end of the connecting plate, the right side of the right side plate is provided with a taper measuring surface II, and the bottom end of the right side plate is fixedly connected with the right end of the connecting plate; the length of the connecting plate is adjustable, four clamping grooves are formed in the boss along the length direction of the boss, and the top ends of the left side plate and the right side plate are provided with buckles matched with the clamping grooves; when the buckle is clamped with the middle two clamping grooves, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the lower limit size of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the lower limit size of the small-diameter end of the conical hole to be measured; when the buckle is clamped with the two clamping grooves on the outer side, the distance between the top ends of the taper measuring surface I and the taper measuring surface II is the upper limit size of the large-diameter end of the conical hole to be measured, and the distance between the bottom ends of the taper measuring surface I and the taper measuring surface II is the upper limit size of the small-diameter end of the conical hole to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253443.8U CN217818422U (en) | 2022-05-24 | 2022-05-24 | Special sheet-type plug gauge for detecting radial size of conical hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253443.8U CN217818422U (en) | 2022-05-24 | 2022-05-24 | Special sheet-type plug gauge for detecting radial size of conical hole |
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| Publication Number | Publication Date |
|---|---|
| CN217818422U true CN217818422U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221253443.8U Active CN217818422U (en) | 2022-05-24 | 2022-05-24 | Special sheet-type plug gauge for detecting radial size of conical hole |
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| Country | Link |
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| CN (1) | CN217818422U (en) |
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2022
- 2022-05-24 CN CN202221253443.8U patent/CN217818422U/en active Active
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