CN218270436U - Factory-shaped octagonal alignment jig precision measuring ruler - Google Patents
Factory-shaped octagonal alignment jig precision measuring ruler Download PDFInfo
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- CN218270436U CN218270436U CN202222588649.2U CN202222588649U CN218270436U CN 218270436 U CN218270436 U CN 218270436U CN 202222588649 U CN202222588649 U CN 202222588649U CN 218270436 U CN218270436 U CN 218270436U
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Abstract
The utility model discloses an eight aniseed accurate ruler of checking cards of factory's style of calligraphy, its technical scheme main points are: including blade and vernier, blade and vernier sliding connection installation, the upper and lower inboard of butt joint of blade and vernier is equallyd divide and is do not fixedly be equipped with sealed face measuring jaw, and the shape of sealed face measuring jaw is the factory style of calligraphy, the sealed face measuring jaw of blade and vernier upper and lower both sides all is reverse symmetric distribution for each other, and the sealed face measuring jaw group of blade upside and vernier upside is positive reverse caliper, and sealed face measuring jaw group of blade downside and vernier downside is reverse positive caliper, the horizontal limit of sealed face measuring jaw is parallel with the blade long limit, and the contained angle alpha of the skimming edge of sealed face measuring jaw and horizontal limit is 113. The utility model has the advantages of being simple in structure and convenient in operation, measuring result is accurate, has very strong specialty, spreading value and realizes standardization or standardization easily.
Description
Technical Field
The utility model belongs to the technical field of be used for petroleum, chemical industry, natural gas engineering and other high-pressure spare parts to connect measuring instrument, concretely relates to eight aniseed accurate measuring sticks to card of factory's style of calligraphy.
Background
In the technical field of connection of petroleum, chemical engineering, natural gas engineering and other high-pressure parts, the measurement requirements of a ring connection face (RJ) flange and an octagonal gasket for high-pressure, inflammable and explosive media need to reach extremely high precision, and the common measurement technical means for measuring the ring connection face (RJ) flange and the octagonal gasket mainly adopts a static seal form of a metal annular gasket (European system PN series) standard for an HG/T20592 steel pipe flange (European system PN series) and an HG/T20612 steel pipe flange (American system Class series) and a metal annular gasket (American system Class series) standard for an HG/T20615 steel pipe flange (American system Class series) and an HG/T20633 steel pipe flange. However, the static seal measurement is often performed in a manner that the angle of the static seal surface of a ring joint face (RJ) flange and an octagon cushion is 23 °, so that a proper datum point or a footing point cannot be found during measurement by a conventional vernier caliper, thereby causing measurement errors and troublesome measurement process.
In view of the above problems, the prior art generally adopts a method of detecting the template chuck plates, but this method needs a large number of template chuck plates, uses many sets of template chuck plates for different pressure requirements and specification sizes, and the measurement result is not accurate. In addition, the technical scheme for detecting the flange of the connecting surface (RJ) of the measuring ring and the octagonal pad is related to the patent with the patent number of ZL201020148215.5, the patent name of a trapezoidal ring groove center distance gauge, the patent number of ZL201320335440.3, the patent name of a universal trapezoidal pad ring groove diameter measuring tool, the patent number of ZL201520176091.4 and the patent name of a 23-degree pointed universal octagonal vernier caliper, but the technical scheme of ZL201020148215.5 can only measure the inner diameter; the technical scheme of ZL201320335440.3 is complex in structure and measuring method, and measuring auxiliary parts are additionally added, so that unnecessary trouble is brought to the measuring process; ZL201520176091.4 only measures the pitch diameter P, but cannot measure the ring joint face (RJ) flange ring groove top width (F value) and the ring plane width (C value) of the octagonal gasket.
It is therefore necessary to propose a new solution to solve the above-mentioned problems.
Disclosure of Invention
To the weak point among the prior art, the utility model provides an eight anise of factory style of calligraphy are to calorie of accurate measurement chi, aim at solving the ring in the oil, chemical industry, natural gas engineering and other high-pressure parts connection technical field connect face (RJ) flange annular top width (F value) and the ring plane width (C value) measurement process of octagonal pad exist be difficult to measure, measure not fast simple problem, for current technique, have simple structure, measure swiftly, the characteristics of measuring result is accurate, the specialty.
The above technical purpose of the present invention can be achieved by the following technical solutions: a Chinese character 'Gongzi' type octagonal counter-clamp precision measuring ruler comprises a T-shaped ruler body and a vernier, wherein the vernier is provided with a vernier fixing part, and the vernier fixing part and the ruler body are installed in a sliding embedded and sleeved mode;
the upper side of the vernier fixing part is also provided with a positioning fastening bolt;
the upper inner side and the lower inner side of the butt joint of the short parts of the ruler body and the vernier are respectively provided with a sealing surface measuring factory-shaped claw, the shape of the sealing surface measuring factory-shaped claw is factory-shaped, the transverse edge of the sealing surface measuring claw is parallel to the long part of the ruler body, the included angle alpha between the skimming edge and the transverse edge of the sealing surface measuring claw is 113 degrees, and a measuring reference zero point is also arranged right below the vertex position of the included angle corresponding to the short parts of the ruler body and the vernier;
the vernier is a digital display vernier with the precision grade of 0.01 mm.
Furthermore, the sealing surface measuring factory-shaped claw comprises a fixed sealing surface measuring factory-shaped claw and a movable sealing surface measuring factory-shaped claw, the outer edges of the transverse edges of the fixed sealing surface measuring factory-shaped claw and the movable sealing surface measuring factory-shaped claw are flush, and the outer edges of the left edges of the fixed sealing surface measuring factory-shaped claw and the movable sealing surface measuring factory-shaped claw are perpendicular to the ruler body and symmetrical;
the fixed sealing surface measuring factory-shaped claw comprises a first fixed sealing surface measuring factory-shaped claw and a second fixed sealing surface measuring factory-shaped claw which are fixedly connected with the short part of the ruler body into a whole, the floating sealing surface measuring factory-shaped claw comprises a first floating sealing surface measuring factory-shaped claw and a second floating sealing surface measuring factory-shaped claw which are fixedly connected with the short part of the vernier into a whole, the first fixed sealing surface measuring factory-shaped claw and the second fixed sealing surface measuring factory-shaped claw are in reverse symmetrical distribution, and the first floating sealing surface measuring factory-shaped claw and the second floating sealing surface measuring factory-shaped claw are in reverse symmetrical distribution;
the first fixed seal surface measuring factory-shaped claw and the first movable seal surface measuring factory-shaped claw group are a pair of forward and reverse calipers, and the second fixed seal surface measuring factory-shaped claw and the second movable seal surface measuring factory-shaped claw group are a pair of forward and reverse calipers.
Furthermore, the long part of the ruler body is also provided with measuring scale marks, and the precision grade of the measuring scale marks is 0.01mm;
the initial measurement reference zero point position of the measurement scale mark is the position where the vertex position of the included angle alpha between the factory-shaped claw of the fixed sealing surface measurement and the factory-shaped claw of the floating sealing surface measurement and the outer vertical edge of the vernier fixing part after the measurement reference zero points are overlapped with the measurement scale mark;
and the transverse edge and the left-falling edge of the factory-shaped claw are used as measuring reference surfaces for measuring the sealing surface.
Furthermore, the specification and the size of the factory-shaped claw for measuring the fixed sealing surface are the same as those of the factory-shaped claw for measuring the floating sealing surface;
the second fixed sealing surface measuring factory-shaped claw is flush with the surface of the ruler body, the width of the first fixed sealing surface measuring factory-shaped claw is larger than that of the ruler body, the first movable sealing surface measuring factory-shaped claw is flush with the surface of the ruler body, and the width of the second movable sealing surface measuring factory-shaped claw is larger than that of the ruler body;
the widths of the first fixed sealing surface measuring factory-shaped claw and the second floating sealing surface measuring factory-shaped claw are equal to the total width of the ruler body and the vernier in an embedded mode, and the widths of the second fixed sealing surface measuring factory-shaped claw, the first floating sealing surface measuring factory-shaped claw and the ruler body are equal.
The utility model discloses beneficial effect: the utility model is suitable for an among the oil, the chemical industry, natural gas engineering and other high-pressure spare part connection technology field, adopt HG/T20592 steel pipe flange (European system PN series) and HG/T20612 steel pipe flange to measure ring joint face (RJ) flange and octagon pad and use metal ring gasket (European system PN series) standard and HG/T20615 steel pipe flange (American system Class series) and HG/T20633 steel pipe flange with the measurement technical means of the static seal form of metal ring gasket (American system Class series) standard, just the utility model discloses simple structure, convenient operation, measuring result are accurate, have very strong specialty, science, security, grasp and spreading value easily, can practice thrift the cost, can provide reference for realizing standardization or standardization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a zero reference of a factory-shaped octagonal alignment precision measuring ruler provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a measurement state of the factory-shaped octagonal alignment precision measuring ruler according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a measuring claw and a measuring body of a fixed sealing surface of a factory-shaped octagonal paired card precision measuring ruler according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a factory-shaped claw and a digital display vernier for measuring a floating sealing surface of a factory-shaped octagonal pair card precision measuring ruler provided by the embodiment of the utility model;
fig. 5 is a schematic diagram of a right side view of a structure of a precision measuring ruler for a factory-shaped octagonal pair card according to an embodiment of the present invention;
fig. 6 is a schematic view of a top width (F value) of a flange ring groove of a measuring ring connecting surface (RJ) of a measurement ruler according to an embodiment of the present invention;
fig. 7 is a schematic view of a ring plane width (C value) of the measurement octagonal pad of the factory-shaped octagonal pair card precision measurement ruler provided by the embodiment of the present invention.
In the figure, 1, a ruler body, 2, a vernier, 3, a sealing surface measuring factory-shaped claw, 4, a measuring reference zero point, 5 and a measuring scale mark;
21. a cursor fixing part 22, a positioning fastening bolt;
31. factory's word claw is measured to stationary seal face, 32, the sealed face that moves about measures factory's word claw, 31A, first stationary seal face measure factory's word claw, 31B, second stationary seal face measure factory's word claw, 32A, the sealed face that moves about measure factory's word claw, 32B, the sealed face that moves about of second measure factory's word claw.
Detailed Description
The present invention is described below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
It will be understood that when an element is referred to as being "secured to" 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 "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 in the description of the invention herein 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. 1 to 7, an embodiment of the present invention provides a factory-shaped octagonal pair-card precision measuring ruler, which includes a T-shaped ruler body 1 and a cursor 2, wherein the cursor 2 is provided with a cursor fixing portion 21, and the cursor fixing portion 2 is slidably inserted into and sleeved with a long portion of the ruler body 1;
the upper side of the cursor fixing part 21 is also provided with a positioning fastening bolt 22;
the upper inner side and the lower inner side of the butt joint of the short parts of the ruler body 1 and the vernier 2 are respectively provided with a sealing surface measuring factory-shaped claw 3, the sealing surface measuring factory-shaped claw 3 is shaped like a Chinese character 'ji', the transverse edge of the sealing surface measuring claw 3 is parallel to the long part edge of the ruler body 1, the included angle alpha between the left-falling edge and the transverse edge of the sealing surface measuring claw 3 is 113 degrees, and a measuring reference zero point 4 is also arranged right below the vertex position of the corresponding included angle of the short parts of the ruler body 1 and the vernier 2;
the vernier fixing part 21 is a vernier fine adjustment fixing mechanism, and the measurement reference zero point 4 corresponds to the vertex position of an included angle of 113 degrees;
the vernier 2 is a digital display vernier with the precision grade of 0.01 mm.
In this embodiment, the sealing surface measuring factory-shaped claw 3 includes a fixed sealing surface measuring factory-shaped claw 31 and a floating sealing surface measuring factory-shaped claw 32, the outer edges of the transverse edges of the fixed sealing surface measuring factory-shaped claw 31 and the floating sealing surface measuring factory-shaped claw 32 are flush, and the outer edges of the left edges of the fixed sealing surface measuring factory-shaped claw 31 and the floating sealing surface measuring factory-shaped claw 32 are perpendicular to the ruler body 1;
the fixed seal surface measuring factory-shaped claw 31 comprises a first fixed seal surface measuring factory-shaped claw 31A and a second fixed seal surface measuring factory-shaped claw 31B which are fixedly connected with the two outer ends of the short part of the ruler body into a whole, the floating seal surface measuring factory-shaped claw 32 comprises a first floating seal surface measuring factory-shaped claw 32A and a second floating seal surface measuring factory-shaped claw 32B which are fixedly connected with the two outer ends of the short part of the vernier into a whole, the first fixed seal surface measuring factory-shaped claw 31A and the second fixed seal surface measuring factory-shaped claw 31B are in reverse symmetrical distribution, and the first floating seal surface measuring factory-shaped claw 32A and the second floating seal surface measuring factory-shaped claw 32B are in reverse symmetrical distribution;
the first fixed seal face measuring factory-shaped claw 31A and the first floating seal face measuring factory-shaped claw 32B are a pair of forward and reverse calipers, and the second fixed seal face measuring factory-shaped claw 31B and the second floating seal face measuring factory-shaped claw 32B are a pair of reverse and forward calipers.
Specifically, the factory-shaped claw 31 for measuring the fixed sealing surface and the factory-shaped claw 32 for measuring the floating sealing surface ensure that the transverse edge and the skimming edge of the 113-degree included angle can be directly matched with the ring connecting surface (RJ) flange and the chamfer surface of the octagonal gasket to form a key measuring reference zero point when the measurement is started.
Specifically, the outer edges of the transverse edges of the factory-shaped claw 31 and the outer edge of the movable sealing surface 32 are flush, the outer edges of the left edge of the factory-shaped claw 31 and the outer edge of the movable sealing surface 32 are perpendicular to the ruler body 1, and therefore the transverse edge and the left edge of the included angle alpha can be directly matched with the chamfered surfaces of a ring connecting surface (RJ) flange and an octagonal gasket to form a key measuring reference surface during measurement.
In this embodiment, the long surface of the ruler body 1 is further provided with a plurality of measuring scale marks 5, and the precision grade of the measuring scale marks 5 is 0.01mm;
the initial measurement reference zero position of the measurement scale mark 5 is the position where the vertex position of the included angle alpha between the fixed seal surface measurement factory-shaped claw 31 and the floating seal surface measurement factory-shaped claw 32 and the outer vertical edge of the vernier fixing part 21, after the measurement reference zero point 4 are overlapped, are overlapped with the measurement scale mark 5;
the transverse edge and the skimming edge of the sealing surface measuring factory-shaped claw 3 are used as measuring reference surfaces.
Specifically, the ring top width (F value) of the ring connecting face (RJ) flange ring groove and the ring plane width (C value) of the octagonal pad can be accurately measured respectively by the measuring scale mark 5 with the accuracy grade of 0.01 mm.
In this embodiment, the fixed seal surface measuring dog 31 and the floating seal surface measuring dog 32 have the same specification and size;
the second fixed sealing surface measuring factory-shaped claw 31B is flush with the surface of the ruler body 1, the width of the first fixed sealing surface measuring factory-shaped claw 31A is larger than that of the ruler body 1, the first floating sealing surface measuring factory-shaped claw 32A is flush with the surface of the ruler body 1, and the width of the second floating sealing surface measuring factory-shaped claw 32B is larger than that of the ruler body 1;
the widths of the first fixed sealing surface measuring factory-shaped claw 31A and the second floating sealing surface measuring factory-shaped claw 32B are equal to the total width of the ruler body 1 and the vernier 2 in an embedded mode, and the widths of the second fixed sealing surface measuring factory-shaped claw 31B, the first floating sealing surface measuring factory-shaped claw 32A and the ruler body 1 are equal.
It is worth noting that the included angle between the left-falling edge and the transverse edge of the sealing surface measuring factory-shaped claw 3 is an included angle alpha of 113 degrees formed by a 90-degree right angle and a 23-degree acute angle, namely the factory-shaped claws of the sealing surface measuring factory-shaped claw 3 are respectively distributed in a forward and reverse direction and form an upper caliper and a lower caliper.
The utility model discloses the theory of operation: when the device is used, the factory-shaped claw 31B is clamped on the outer side of the top width (F value) of the annular groove of the flange of the ring connecting surface (RJ) through the second fixed sealing surface measurement, and the factory-shaped claw 32B is clamped on the inner side of the top width (F value) of the annular groove of the flange of the opposite ring connecting surface (RJ), so that the top width (F value) of the annular groove of the flange of the ring connecting surface (RJ) with the minimum value can be measured;
the ring plane width (C value) of the octagonal gasket can be measured to the minimum value by clamping the first fixed seal surface measurement factory-shaped claw 31A outside the ring plane width (C value) of the octagonal gasket and the first floating seal surface measurement factory-shaped claw 32A inside the ring plane width (C value) of the opposite octagonal gasket.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A kind of factory's shape eight angle pair card accurate measurement ruler, including body and vernier of the T-letter shape, characterized by that, the said vernier has vernier fixed parts, the said vernier fixed part and body of the ruler slip to inlay and cup joint and mount;
the upper side of the vernier fixing part is also provided with a positioning fastening bolt;
the upper inner side and the lower inner side of the butt joint of the short parts of the ruler body and the vernier are respectively provided with a sealing surface measuring factory-shaped claw, the shape of the sealing surface measuring factory-shaped claw is factory-shaped, the transverse edge of the sealing surface measuring claw is parallel to the long part of the ruler body, the included angle alpha between the skimming edge and the transverse edge of the sealing surface measuring claw is 113 degrees, and a measuring reference zero point is also arranged right below the vertex position of the included angle corresponding to the short parts of the ruler body and the vernier;
the vernier is a digital display vernier with the precision grade of 0.01 mm.
2. The Gongzi eight-corner-pair-card precision measuring ruler as claimed in claim 1, characterized in that the sealing surface measuring Gongzi comprises a fixed sealing surface measuring Gongzi and a floating sealing surface measuring Gongzi, the outer edges of the transverse edges of the fixed sealing surface measuring Gongzi and the floating sealing surface measuring Gongzi are flush, and the outer edges of the left-falling edges of the fixed sealing surface measuring Gongzi and the floating sealing surface measuring Gongzi are symmetrical to the ruler body;
the fixed sealing surface measuring factory-shaped claw comprises a first fixed sealing surface measuring factory-shaped claw and a second fixed sealing surface measuring factory-shaped claw which are fixedly connected with the short part of the ruler body into a whole, the floating sealing surface measuring factory-shaped claw comprises a first floating sealing surface measuring factory-shaped claw and a second floating sealing surface measuring factory-shaped claw which are fixedly connected with the short part of the vernier into a whole, the first fixed sealing surface measuring factory-shaped claw and the second fixed sealing surface measuring factory-shaped claw are in reverse symmetrical distribution, and the first floating sealing surface measuring factory-shaped claw and the second floating sealing surface measuring factory-shaped claw are in reverse symmetrical distribution;
the first fixed seal surface measuring factory-shaped claw and the first movable seal surface measuring factory-shaped claw group are a pair of forward and reverse calipers, and the second fixed seal surface measuring factory-shaped claw and the second movable seal surface measuring factory-shaped claw group are a pair of forward and reverse calipers.
3. The Chinese character 'ji' type octagonal pair card precision measuring ruler according to claim 1, wherein the long part ruler surface of the ruler body is further provided with measuring scale marks, and the precision grade of the measuring scale marks is 0.01mm;
the initial measurement reference zero point position of the measurement scale mark is the position where the outer vertical edge of the cursor fixing part is superposed with the measurement scale mark after the included angle alpha vertex position of the fixed seal surface measurement factory-shaped claw and the floating seal surface measurement factory-shaped claw and the measurement reference zero point are superposed;
and the transverse edge and the skimming edge of the factory-shaped claw are used as measuring reference surfaces for the sealing surface.
4. The h-shaped octagonal pair-card precision measuring ruler as claimed in claim 2, wherein the fixed sealing surface measuring h-shaped claw and the floating sealing surface measuring h-shaped claw have the same specification and size;
the second fixed sealing surface measuring factory-shaped claw is flush with the surface of the ruler body, the width of the first fixed sealing surface measuring factory-shaped claw is larger than that of the ruler body, the first movable sealing surface measuring factory-shaped claw is flush with the surface of the ruler body, and the width of the second movable sealing surface measuring factory-shaped claw is larger than that of the ruler body;
the widths of the first fixed sealing surface measuring factory-shaped claw and the second floating sealing surface measuring factory-shaped claw are equal to the total width of the ruler body and the vernier in an embedded mode, and the widths of the second fixed sealing surface measuring factory-shaped claw, the first floating sealing surface measuring factory-shaped claw and the ruler body are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222588649.2U CN218270436U (en) | 2022-09-29 | 2022-09-29 | Factory-shaped octagonal alignment jig precision measuring ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222588649.2U CN218270436U (en) | 2022-09-29 | 2022-09-29 | Factory-shaped octagonal alignment jig precision measuring ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218270436U true CN218270436U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222588649.2U Active CN218270436U (en) | 2022-09-29 | 2022-09-29 | Factory-shaped octagonal alignment jig precision measuring ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218270436U (en) |
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2022
- 2022-09-29 CN CN202222588649.2U patent/CN218270436U/en active Active
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