Calibrating device for composite thread measuring tool
By designing a composite thread measuring tool calibration device, integrating a variety of thread measuring tool calibration standards, the problem of a wide variety of thread measuring tool tools in the prior art is solved, and more efficient and convenient thread measuring tool calibration is achieved.
Patent Information
- Application Number
- CN202421507344.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing thread measuring tool calibration tools are of a wide variety, high cost and inconvenient portability, making it difficult to meet the high requirements for thread sealing in oil well mining.
A composite thread measuring tool calibration device is designed. By setting the outer convex and inner concave on the calibration body and setting the calibration reference for multiple male and female end threads on its side walls, a variety of thread measuring tool calibration references are integrated to reduce the number of carrying tools.
The number of tools required for thread measuring tools is reduced, the convenience and efficiency of calibration is improved, and the high requirements for thread sealing in oil well mining is met.
Smart Images
Figure CN222733493U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of thread gauge calibration equipment, and more specifically, relates to a composite thread gauge calibration device. Background Art
[0002] Oil casing is a special steel pipe used to fix the well wall during oil and gas well exploitation. The three main API standard thread types used in the industry are LC, SC, and BC. However, with the development of oil well exploitation technology, the exploitation of oil and gas wells is increasing, and the API thread cannot meet the sealing needs of oil wells. The use of special buckles for airtight sealing is increasing.
[0003] The gage calibration tools used in the processing of special thread have the following shortcomings:
[0004] Male end thread middle diameter gauge calibration tool, male end sealing surface diameter gauge calibration tool, female end thread middle diameter gauge calibration tool, female end sealing surface diameter gauge calibration tool, male end tooth height gauge calibration tool, male end pitch gauge calibration tool, female end tooth height gauge calibration tool, female end pitch gauge calibration tool are all single-body designs, there are many types of gauges, the cost is high, and they are inconvenient to carry. Utility Model Content
[0005] The utility model aims to provide a composite thread gauge calibration device, so as to reduce the number of thread gauge calibration tools to be carried and improve the convenience of using the thread gauge calibration tools.
[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a composite thread gauge calibration device, including a calibration body, a first auxiliary part and a second auxiliary part, wherein an outer convex part is provided at one end of the calibration body, and a plurality of calibration benchmarks of male end threads are provided on the side wall of the outer convex part; an inner concave part is provided at the other end of the calibration body, and a plurality of calibration benchmarks of female end threads are provided on the inner concave part; the first auxiliary part is detachably arranged on the calibration body, and the first auxiliary part is used to assist in calibrating the thread diameter gauge when measuring the male end thread diameter; the second auxiliary part is detachably arranged on the calibration body, and the second auxiliary part is used to assist in calibrating the thread diameter gauge when measuring the female end thread diameter.
[0007] In one possible implementation, the calibration datum of the male thread includes the male thread middle diameter calibration datum, the male sealing surface diameter calibration datum, the male tooth height calibration datum and the male tooth pitch calibration datum; the calibration datum of the female thread includes the female thread middle diameter calibration datum, the female sealing surface diameter calibration datum, the female tooth height calibration datum and the female tooth pitch calibration datum.
[0008] In a possible implementation, the male thread mean diameter calibration datum includes two first datum planes, the two first datum planes are respectively arranged on the left and right sides of the outer protrusion, and the distance between the two first datum planes is equal to the standard mean diameter of the male thread; the first auxiliary part is rectangular, the length of the first auxiliary part is the same as the extension length of the measuring shoe of the male thread measuring tool when measuring the male thread, the first auxiliary part is provided with a first hanging hole, the calibration body is provided with a second hanging hole, the rope is passed through the first hanging hole and the second hanging hole, so that the first auxiliary part is hung on the calibration body.
[0009] In one possible implementation, the male end sealing surface diameter calibration reference includes two second reference surfaces, both of which are arranged at an angle, and the two second reference surfaces are respectively arranged on the left and right sides of the outer protrusion, and the first reference surface and the second reference surface are arranged at a back-and-forth interval, and the distance between the two second reference surfaces is equal to the standard diameter of the male end sealing surface.
[0010] In one possible implementation, the front end of the outer protrusion is arranged in a plane, and the male end tooth height alignment reference includes a first reference groove, which is arranged on the front end plane of the outer protrusion, and the depth of the first reference groove is the same as the standard tooth height of the male end thread.
[0011] In a possible implementation, the male end tooth pitch calibration reference includes two second reference grooves, the second reference grooves are arranged on the front end plane of the outer protrusion, and the spacing between the two first reference grooves is the same as the standard tooth pitch of the male end thread.
[0012] In a possible implementation, the female thread mean diameter calibration datum includes two third datum planes, the two third datum planes are respectively arranged on the left and right sides of the inner recess, and the distance between the two third datum planes is equal to the standard mean diameter of the female thread; the second auxiliary part is rectangular, the length of the second auxiliary part is the same as the extension length of the measuring shoe of the female thread measuring tool when measuring the female thread, the second auxiliary part is provided with a third hanging hole, the calibration body is provided with a fourth hanging hole, the rope is passed through the third hanging hole and the fourth hanging hole, so that the second auxiliary part is hung on the calibration body.
[0013] In one possible implementation, the female end sealing surface diameter calibration reference includes two fourth reference surfaces, both of which are arranged at an angle, and the two fourth reference surfaces are respectively arranged on the left and right sides of the inner recess, and the distance between the two fourth reference surfaces is equal to the standard diameter of the female end sealing surface.
[0014] In one possible implementation, the front end of the inner recess is arranged in a plane, and the female end tooth height alignment reference includes a third reference groove, which is arranged on the front end plane of the inner recess, and the depth of the third reference groove is the same as the standard tooth height of the female end thread.
[0015] In a possible implementation, the female end tooth pitch calibration reference includes two fourth reference grooves, the fourth reference grooves are arranged on the front end plane of the inner recess, and the spacing between the two fourth reference grooves is the same as the standard tooth pitch of the female end thread.
[0016] The beneficial effect of the composite thread gauge calibration device provided by the utility model is that, compared with the prior art, the utility model provides an outer convex portion and an inner concave portion on the calibration body, and provides a plurality of male thread calibration datums on the side wall of the outer convex portion, and provides a plurality of female thread calibration datums on the side wall of the inner concave portion, so that a plurality of thread gauge calibration datums are integrated on the calibration body, thereby reducing the number of calibration tools required to be carried when calibrating the thread gauge and improving the convenience of thread gauge calibration. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0018] Figure 1 A schematic diagram of the structure of the composite thread gauge calibration device provided by the embodiment of the utility model during operation;
[0019] Figure 2 A schematic diagram of the structure of the calibration body provided by an embodiment of the utility model when viewed from above;
[0020] Figure 3 This is a schematic structural diagram of a calibration body provided by an embodiment of the utility model when viewed from above.
[0021] Among them, the reference numerals in the figures are as follows:
[0022] 1. Calibration body; 2. First auxiliary part; 3. Second auxiliary part;
[0023] 101. Outer convex part; 102. Inner concave part; 103. Male end thread mean diameter calibration datum; 104. Male end sealing surface diameter calibration datum; 105. Male end tooth height calibration datum; 106. Male end tooth pitch calibration datum; 107. First datum plane; 108. Rope; 109. Second datum plane; 110. Second datum groove; 111. Female end thread mean diameter calibration datum; 112. Female end sealing surface diameter calibration datum; 113. Female end tooth height calibration datum; 114. Female end tooth pitch calibration datum; 115. Third datum plane; 116. Fourth datum plane; 117. Fourth datum groove. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0025] It should be further explained that the drawings and implementation modes of the present invention mainly describe the concept of the present invention. On the basis of this concept, the specific forms and settings of some connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be fully described. However, on the premise that those skilled in the art understand the concept of the present invention, those skilled in the art can implement the above-mentioned specific forms and settings in a well-known manner.
[0026] When an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.
[0027] The directions or positional relationships indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.
[0028] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, and "several" means one or more, unless otherwise clearly and specifically defined.
[0029] The composite thread measuring tool calibration device provided by the utility model is now described.
[0030] Please also read Figure 1 As shown, the composite thread gauge calibration device comprises a calibration body 1, a first auxiliary part 2 and a second auxiliary part 3, wherein an outer protrusion 101 is provided at one end of the calibration body 1, and a plurality of calibration benchmarks of male thread are provided on the side wall of the outer protrusion 101. An inner recess 102 is provided at the other end of the calibration body 1, and a plurality of calibration benchmarks of female thread are provided on the inner recess 102. The first auxiliary part 2 is detachably provided on the calibration body 1, and the first auxiliary part 2 is used to assist in calibrating the thread pitch diameter gauge when measuring the male thread pitch diameter. The second auxiliary part 3 is detachably provided on the calibration body 1, and the second auxiliary part 3 is used to assist in calibrating the thread pitch diameter gauge when measuring the female thread pitch diameter.
[0031] The beneficial effect of the composite thread gauge calibration device provided in the present embodiment is as follows: compared with the prior art, the composite thread gauge calibration device provided in the present embodiment integrates multiple thread gauge calibration datums on the calibration body 1 by arranging an outer protrusion 101 and an inner recess 102 on the calibration body 1, and arranging multiple male thread calibration datums on the side wall of the outer protrusion 101, and arranging multiple female thread calibration datums on the side wall of the inner recess 102, thereby reducing the number of calibration tools required to be carried when calibrating the thread gauge and improving the convenience of thread gauge calibration.
[0032] like Figure 1 , Figure 2 and Figure 3 As shown, the calibration datum of the male thread includes a male thread pitch diameter calibration datum 103, a male sealing surface diameter calibration datum 104, a male tooth height calibration datum 105, and a male tooth pitch calibration datum 106. The calibration datum of the female thread includes a female thread pitch diameter calibration datum 111, a female sealing surface diameter calibration datum 112, a female tooth height calibration datum 113, and a female tooth pitch calibration datum 114.
[0033] The male end thread pitch diameter calibration datum 103 is set, and the male end thread gauge can be calibrated first, and then the male end thread can be inspected using the calibrated male end thread gauge. In addition, the male end sealing surface diameter calibration datum 104, the male end tooth height calibration datum 105, the male end tooth pitch calibration datum 106, the female end thread pitch diameter calibration datum 111, the female end sealing surface diameter calibration datum 112, the female end tooth height calibration datum 113 and the female end tooth pitch calibration datum 114 have the same purpose as the male end thread pitch diameter calibration datum.
[0034] In this embodiment, the male thread mid-diameter calibration reference includes two first reference surfaces 107, which are respectively arranged on the left and right sides of the outer protrusion 101, and the distance between the two first reference surfaces 107 is equal to the standard mid-diameter of the male thread. The first auxiliary component 2 is rectangular, and the length of the first auxiliary component 2 is the same as the extension length of the measuring shoe of the male thread gauge when measuring the male thread. The first auxiliary component 2 is provided with a first hanging hole, and the calibration body 1 is provided with a second hanging hole. The rope 108 passes through the first hanging hole and the second hanging hole, so that the first auxiliary component 2 is hung on the calibration body 1.
[0035] When in use, first clamp the first auxiliary part 2 between the measuring shoe of the male thread middle diameter gauge and the protruding reference surface on the gauge to determine the protruding length of the measuring shoe, and then clamp the two measuring shoes on the outside of the two first reference surfaces 107 to calibrate the measuring shoe of the male thread middle diameter gauge.
[0036] like Figure 1 As shown, the male end sealing surface diameter calibration reference 104 includes two second reference surfaces 109, both of which are arranged obliquely, and the two second reference surfaces 109 are respectively arranged on the left and right sides of the outer protrusion 101, and the first reference surface 107 and the second reference surface 109 are arranged in a front-to-back interval, and the distance between the two second reference surfaces 109 is equal to the standard diameter of the male end sealing surface. When in use, the two measuring shoes of the male end sealing surface diameter gauge are abutted against the two second reference surfaces 109 to calibrate the male end sealing surface diameter gauge.
[0037] In this embodiment, the front end of the outer protrusion 101 is arranged in a plane, and the male end tooth height alignment reference 105 includes a first reference groove, which is arranged on the front end plane of the outer protrusion 101. The depth of the first reference groove is the same as the standard tooth height of the male end thread. When in use, the male end thread tooth height gauge is first calibrated with the first reference groove, and then the male end thread is tested.
[0038] like Figure 2 As shown, the male end pitch calibration reference 106 includes two second reference grooves 110, which are arranged on the front end plane of the outer protrusion 101. The spacing between the two first reference grooves is the same as the standard pitch of the male end thread. When in use, the first reference grooves are used to calibrate the relative position of the measuring foot of the male end thread pitch gauge, and then the calibrated male end thread pitch gauge is used to detect the male end thread.
[0039] like Figure 2As shown, the calibration datum for the middle diameter of the female thread includes two third datum surfaces 115, which are respectively arranged on the left and right sides of the inner concave portion 102, and the distance between the two third datum surfaces 115 is equal to the standard middle diameter of the female thread. The second auxiliary component 3 is rectangular, and the length of the second auxiliary component 3 is the same as the extension length of the measuring shoe of the female thread gauge when measuring the female thread. The second auxiliary component 3 is provided with a third hanging hole, and the calibration body 1 is provided with a fourth hanging hole. The rope 108 passes through the third hanging hole and the fourth hanging hole, so that the second auxiliary component 3 is hung on the calibration body 1.
[0040] When in use, first clamp the second auxiliary part 3 between the measuring shoe of the female end thread middle diameter gauge and the overhanging reference surface on the gauge to determine the overhanging length of the measuring shoe, and then abut the two opposite measuring shoes against the outside of the two third reference surfaces 115 to calibrate the measuring shoe of the female end thread middle diameter gauge.
[0041] like Figure 3 As shown, the female end sealing surface diameter calibration reference 112 includes two fourth reference surfaces 116, both of which are arranged obliquely, and the two fourth reference surfaces 116 are respectively arranged on the left and right sides of the inner recess 102, and the distance between the two fourth reference surfaces 116 is equal to the standard diameter of the female end sealing surface. When in use, the two measuring shoes of the female end sealing surface diameter gauge are abutted against the two fourth reference surfaces 116, the female end sealing surface diameter gauge is calibrated, and then the calibrated and fixed female end sealing surface diameter is used for detection.
[0042] like Figure 3 As shown, the front end of the inner recess 102 is arranged in a plane, and the female end tooth height alignment reference 113 includes a third reference groove, and the third reference groove is arranged on the front end plane of the inner recess 102. The depth of the third reference groove is the same as the standard tooth height of the female end thread. When in use, the female end thread tooth height gauge is first calibrated with the third reference groove, and then the calibrated and fixed female end thread tooth height gauge is used to detect the female end thread.
[0043] Finally, the female end pitch calibration reference 114 includes two fourth reference grooves 117. The fourth reference grooves 117 are arranged on the front end plane of the inner recess 102. The spacing between the two fourth reference grooves 117 is the same as the standard pitch of the female end thread. When in use, the fourth reference grooves 117 are first used to calibrate the relative position of the measuring feet of the female end thread pitch gauge, and then the calibrated female end thread pitch gauge is used to detect the female end thread.
[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A composite thread gauge calibration device, characterized in that: include: A calibration body (1) is provided with an outer protrusion (101) at one end, and a plurality of calibration datums of male thread are provided on the side wall of the outer protrusion (101); and an inner concave portion (102) is provided at the other end of the calibration body (1), and a plurality of calibration datums of female thread are provided on the inner concave portion (102); A first auxiliary component (2) is detachably mounted on the calibration body (1), and the first auxiliary component (2) is used to assist in calibrating a thread pitch diameter measuring tool when measuring the male end thread pitch diameter; The second auxiliary component (3) is detachably mounted on the calibration body (1), and the second auxiliary component (3) is used to assist in calibrating the thread pitch diameter measuring tool when measuring the thread pitch diameter of the female end.
2. The composite thread gauge calibration device according to claim 1, characterized in that: The calibration datum of the male end thread comprises a male end thread middle diameter calibration datum (103), a male end sealing surface diameter calibration datum (104), a male end tooth height calibration datum (105) and a male end tooth pitch calibration datum (106); The calibration datum of the female end thread comprises a female end thread mid-diameter calibration datum (111), a female end sealing surface diameter calibration datum (112), a female end tooth height calibration datum (113) and a female end tooth pitch calibration datum (114).
3. The composite thread gauge calibration device according to claim 2, characterized in that: The male thread mid-diameter calibration datum comprises two first datum surfaces (107), the two first datum surfaces (107) are respectively arranged on the left and right sides of the outer protrusion (101), and the distance between the two first datum surfaces (107) is equal to the standard mid-diameter of the male thread; The first auxiliary part (2) is rectangular in shape, and the length of the first auxiliary part (2) is the same as the extension length of the measuring shoe of the male end thread measuring tool when measuring the male end thread. The first auxiliary part (2) is provided with a first hanging hole, and the calibration body (1) is provided with a second hanging hole. The rope (108) passes through the first hanging hole and the second hanging hole, so that the first auxiliary part (2) is hung on the calibration body (1).
4. The composite thread gauge calibration device according to claim 3, characterized in that: The male end sealing surface diameter calibration reference (104) comprises two second reference surfaces (109), the two second reference surfaces (109) are arranged at an inclination, the two second reference surfaces (109) are arranged on the left and right sides of the outer protrusion (101), and the first reference surface (107) and the second reference surface (109) are arranged in a front-to-back spacing, and the distance between the two second reference surfaces (109) is equal to the standard diameter of the male end sealing surface.
5. The composite thread gauge calibration device according to claim 4, characterized in that: The front end of the outer protrusion (101) is arranged in a plane, and the male end tooth height alignment reference (105) includes a first reference groove, which is arranged on the front end plane of the outer protrusion (101), and the depth of the first reference groove is the same as the standard tooth height of the male end thread.
6. The composite thread gauge calibration device according to claim 5, characterized in that: The male end tooth pitch calibration reference (106) comprises two second reference grooves (110), wherein the second reference grooves (110) are arranged on the front end plane of the outer protrusion (101), and the spacing between the two first reference grooves is the same as the standard tooth pitch of the male end thread.
7. The composite thread gauge calibration device according to claim 6, characterized in that: The female thread mid-diameter calibration datum comprises two third datum surfaces (115), the two third datum surfaces (115) are respectively arranged on the left and right sides of the inner recess (102), and the distance between the two third datum surfaces (115) is equal to the standard mid-diameter of the female thread; The second auxiliary part (3) is rectangular in shape, and the length of the second auxiliary part (3) is the same as the protruding length of the measuring shoe of the female end thread measuring tool when measuring the female end thread. The second auxiliary part (3) is provided with a third hanging hole, and the calibration body (1) is provided with a fourth hanging hole. The rope (108) passes through the third hanging hole and the fourth hanging hole, so that the second auxiliary part (3) is hung on the calibration body (1).
8. The compound thread gauge calibration device according to claim 7, characterized in that: The female end sealing surface diameter calibration reference (112) comprises two fourth reference surfaces (116), both of which are arranged obliquely, and the two fourth reference surfaces (116) are respectively arranged on the left and right sides of the inner recess (102), and the distance between the two fourth reference surfaces (116) is equal to the standard diameter of the female end sealing surface.
9. The composite thread gauge calibration device according to claim 8, characterized in that: The front end of the inner recess (102) is arranged in a plane, and the female end tooth height alignment reference (113) includes a third reference groove, which is arranged on the front end plane of the inner recess (102), and the depth of the third reference groove is the same as the standard tooth height of the female end thread.
10. The compound thread gauge calibration device according to claim 9, characterized in that: The female end tooth pitch calibration reference (114) comprises two fourth reference grooves (117), wherein the fourth reference grooves (117) are arranged on the front end plane of the inner recess (102), and the spacing between the two fourth reference grooves (117) is the same as the standard tooth pitch of the female end thread.