CN113483630B - Detection method for thread pitch diameter reference - Google Patents
Detection method for thread pitch diameter reference Download PDFInfo
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- CN113483630B CN113483630B CN202011548790.9A CN202011548790A CN113483630B CN 113483630 B CN113483630 B CN 113483630B CN 202011548790 A CN202011548790 A CN 202011548790A CN 113483630 B CN113483630 B CN 113483630B
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- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/16—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
- G01B5/163—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures of screw-threads
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a detection method of a thread pitch diameter standard, which relates to the technical field of thread detection and comprises a major diameter measuring device, wherein a thread pitch measuring device is arranged on one side of the major diameter measuring device, a fixing device is arranged on the surface of the major diameter measuring device, a suspension device is arranged at the bottom of the major diameter measuring device, the detection method of the thread pitch diameter standard is formed by S1-S3, the major diameter measuring device comprises a bottom plate, a supporting rod is fixedly arranged in the bottom plate, rectangular blocks are symmetrically and slidably connected to the surface of the supporting rod, stop blocks are fixedly arranged on the surface of the rectangular blocks, a threaded rod is rotatably connected in the bottom plate, a knob is fixedly arranged at one end of the threaded rod, and a cylinder is sleeved on the surface of the threaded rod. According to the invention, by arranging the large-diameter measuring device, a user can conveniently measure the large diameter of the thread, the operation is simple, more accurate measuring numerical values can be obtained, and the use by the user is convenient.
Description
Technical Field
The invention relates to the technical field of thread detection, in particular to a method for detecting a thread pitch diameter reference.
Background
The thread is a most widely applied mechanical part in the mechanical industry, and is mainly used for fastening, sealing, transmitting power and displacement, so that the measurement reliability of the thread is very important as that of a common mechanical part, and the pitch diameter of the thread needs to be obtained in the thread detection process, so that the pitch diameter of the thread can be obtained through calculation by measuring the major diameter of the thread and the thread pitch of the thread.
The existing bolt can only clamp the thread through the vernier caliper to measure when detecting the large diameter of the thread, so that the operation difficulty is high, and when the vernier caliper is used for measuring the large diameter of the bolt, because the surface of the bolt is provided with the thread, a measuring claw of the vernier caliper is easily clamped into a groove, the large diameter of the bolt is difficult to accurately measure, and the measuring result of the large diameter of the bolt is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for detecting a thread pitch diameter reference.
In order to achieve the purpose, the invention adopts the following technical scheme: the detection device for the thread pitch diameter reference comprises a major diameter measurement device, wherein a thread pitch measurement device is arranged on one side of the major diameter measurement device, a fixing device is arranged on the surface of the major diameter measurement device, a suspension device is arranged at the bottom of the major diameter measurement device, and the detection method for the thread pitch diameter reference is composed of S1-S3.
The big footpath measuring device includes the bottom plate, the inside fixed mounting of bottom plate has the bracing piece, the surface symmetry sliding connection of bracing piece has the rectangular block, the fixed surface of rectangular block installs the dog, the inside of bottom plate is rotated and is connected with the threaded rod, threaded rod one end fixed mounting has the knob, the surface cover of threaded rod is equipped with the drum, drum and rectangular block fixed connection, big footpath scale has been seted up on the surface of bottom plate, the fixed surface of bottom plate installs the support frame, the top fixed mounting of support frame has the sleeve.
Preferably, the pitch measuring device comprises a U-shaped block, the U-shaped block is fixedly connected with the bottom plate, a through groove is formed in one side of the U-shaped block, fixed teeth are fixedly mounted at one end of the through groove, movable teeth are slidably connected to the inside of the through groove, pitch scales are formed in the surface of the U-shaped block, and a pressing plate is rotatably connected to one side of the bottom plate.
Preferably, fixing device includes the connecting block, the surperficial symmetry sliding connection of support frame has the connecting block, the connecting block runs through inside the sleeve extends to the sleeve, the bottom fixed mounting of connecting block has the connecting plate, fixed mounting has the extension spring between the connecting plate, one side the one end fixed mounting of connecting block has first splint, the opposite side the one end fixed mounting of connecting block has the second splint.
Preferably, linkage includes the receiver, the bottom fixed mounting of bottom plate has the receiver, the holding tank has been seted up to the inside of receiver, the inside sliding connection of holding tank has the couple, the bottom of receiver is seted up jaggedly.
Preferably, the bottom of the rectangular block is provided with a round hole, and the rectangular block is connected with the support rod in a sliding mode through the round hole.
Preferably, the cylinder is internally provided with a threaded hole, and the threaded hole is meshed with the threaded rod.
Preferably, the threaded rod is rotatably connected with the bottom plate through a bearing, and opposite threads are symmetrically formed in the surface of the threaded rod.
Preferably, a positioning block is fixedly mounted on one side of the fixed teeth, and the fixed teeth are connected with the through groove in a sliding mode through the positioning block.
Preferably, the surface of the support frame is provided with a structural groove, and the connecting block is connected with the support frame in a sliding manner through the structural groove.
Preferably, the method for detecting the thread pitch diameter reference comprises the following steps:
s1: the bolt to be detected is inserted into the sleeve, and then the knob is screwed to move the rectangular block inwards, so that the stop block is in contact with the bolt to be detected, and the large diameter D of the bolt to be detected can be obtained by reading the large diameter scale.
S2: and then taking out the sleeve of the bolt to be detected, placing the bolt to be detected on the U-shaped block, pressing the pressing plate to enable the fixed teeth to be clamped into the groove of the bolt to be detected, enabling the movable teeth to be clamped into the other groove of the bolt to be detected, reading the distance L between the movable teeth and the fixed teeth through the pitch scale, and counting the number n of teeth between the movable teeth and the fixed teeth through the penetrating grooves.
S3: and then calculating to obtain a pitch P which is L/n, and calculating to obtain a D2 which is D-0.6495xL/n according to a calculation formula D2 which is D-Px0.6495 of the pitch diameter, so as to calculate the pitch diameter of the bolt to be detected.
Compared with the prior art, the invention has the advantages and positive effects that,
1. according to the invention, by arranging the large-diameter measuring device, when the large diameter of the bolt needs to be measured, the bolt is inserted into the sleeve, then the knob is screwed to drive the threaded rod to rotate, the cylinder is driven by the threaded rod to move inwards along the threaded rod, so that the rectangular block drives the stop blocks to move inwards, the thread of the bolt is clamped between the stop blocks, the large diameter of the bolt can be obtained by reading the large-diameter scale, the support rod can limit the rectangular block in the moving process of the rectangular block, and the stop plates are perpendicular to the bottom plate all the time in the moving process, so that the measuring result of the large diameter of the thread is more accurate.
2. According to the invention, by arranging the pitch measuring device, when the pitch of the bolt needs to be measured, the bolt is attached to the U-shaped block, then the pressing plate is pressed to extrude the bolt, the fixed teeth and the movable teeth are clamped into the grooves of the bolt, then the distance between the fixed teeth and the movable teeth is read out through the pitch scale, then the number of teeth between the fixed teeth and the movable teeth is counted through the penetrating grooves, the pitch of the bolt can be calculated, and the distance between a plurality of teeth is measured at one time by arranging the pitch measuring device, so that the accurate pitch is obtained.
3. According to the bolt measuring device, the fixing device is arranged, when the bolt is inserted into the sleeve, the connecting block can be pulled outwards to separate the first clamping plate from the second clamping plate, then the bolt is inserted into the sleeve, the connecting block is loosened, the connecting block is driven to move inwards by the connecting plate under the pulling of the tension spring, the bolt is fixed between the first clamping plate and the second clamping plate, the bolt is prevented from being more stable in the measuring process, and the bolt can be fixed by the fixing device, so that the bolt can be more stable in the measuring process.
4. According to the hanging device, after the complete device is used, the hook can be pulled out of the containing groove through the notch, then the whole device can be hung at a proper position of a wall surface through the hook, a user can conveniently contain and arrange the whole device, the daily use of the user is facilitated, after the whole device is taken down from the wall surface, the hook can be pushed inwards, the hook is contained in the containing box, the user can conveniently contain the whole device through the hanging device, and the practicability of the device is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a thread pitch diameter reference detection device according to the present invention;
FIG. 2 is a schematic front view of a thread pitch diameter reference detecting device according to the present invention;
FIG. 3 is a schematic structural diagram of the detecting device for the pitch diameter reference of the thread of the present invention shown in FIG. 2 at A;
FIG. 4 is a rear view of a device for detecting pitch diameter of a thread according to the present invention;
FIG. 5 is a schematic bottom view of a thread pitch diameter reference detecting device according to the present invention;
fig. 6 is a data schematic diagram of a method for detecting a thread pitch diameter reference according to the present invention.
Illustration of the drawings:
1. a major diameter measuring device; 101. a base plate; 102. a support bar; 103. a rectangular block; 104. a stopper; 105. a threaded rod; 106. a knob; 107. a cylinder; 108. large-diameter scales; 109. a support frame; 110. a sleeve; 2. a pitch measuring device; 201. a U-shaped block; 202. a through groove; 203. fixing teeth; 204. a movable gear; 205. pitch scale; 206. pressing a plate; 3. a fixing device; 301. connecting blocks; 302. a connecting plate; 303. a tension spring; 304. a first splint; 305. a second splint; 4. a suspension device; 401. a storage box; 402. accommodating grooves; 403. hooking; 404. and (4) a notch.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-6, the present invention provides a device for detecting a thread pitch diameter standard, including a major diameter measuring device 1, a thread pitch measuring device 2 is disposed on one side of the major diameter measuring device 1, a fixing device 3 is disposed on the surface of the major diameter measuring device 1, a suspension device 4 is disposed at the bottom of the major diameter measuring device 1, and a method for detecting the thread pitch diameter standard is comprised of S1-S3.
Big footpath measuring device 1 includes bottom plate 101, the inside fixed mounting of bottom plate 101 has bracing piece 102, the surperficial symmetrical sliding connection of bracing piece 102 has rectangular block 103, the fixed surface of rectangular block 103 installs dog 104, the inside of bottom plate 101 is rotated and is connected with threaded rod 105, threaded rod 105 one end fixed mounting has knob 106, the surface cover of threaded rod 105 is equipped with drum 107, drum 107 and rectangular block 103 fixed connection, big footpath scale 108 has been seted up on the surface of bottom plate 101, the fixed surface of bottom plate 101 installs support frame 109, the top fixed mounting of support frame 109 has sleeve 110.
In this embodiment, through setting up major diameter measuring device 1, when needing to measure the major diameter of bolt, insert the bolt inside sleeve 110, then twist knob 106, make knob 106 drive threaded rod 105 rotate, make drum 107 along threaded rod 105 inside movement under the drive of threaded rod 105, thereby make rectangular block 103 drive dog 104 inside movement, thereby with the screw thread centre gripping of bolt between dog 104, can obtain the major diameter of bolt through reading major diameter scale 108, wherein bracing piece 102 can restrict rectangular block 103 at the in-process that rectangular block 103 removed, make the baffle be perpendicular to bottom plate 101 all the time at the removal in-process, thereby make the measuring result of the major diameter of screw thread more accurate, through setting up this major diameter measuring device 1, the convenience of user measures the major diameter of screw thread, and easy operation, and can obtain comparatively accurate measurement value, convenience of user's use.
Specifically, the pitch measuring device 2 comprises a U-shaped block 201, the U-shaped block 201 is fixedly connected with the bottom plate 101, a through groove 202 is formed in one side of the U-shaped block 201, a fixed tooth 203 is fixedly mounted at one end of the through groove 202, a movable tooth 204 is slidably connected inside the through groove 202, a pitch scale 205 is formed in the surface of the U-shaped block 201, and a pressing plate 206 is rotatably connected to one side of the bottom plate 101.
In this embodiment: through setting up pitch measuring device 2, when the pitch of bolt needs to be measured, with bolt laminating U-shaped piece 201, then press clamp plate 206, make clamp plate 206 extrusion bolt, make fixed tooth 203 and movable tooth 204 block in the slot of bolt, then read out the distance between fixed tooth 203 and the movable tooth 204 through pitch scale 205, then count out the tooth number between fixed tooth 203 and the movable tooth 204 through passing through groove 202, can calculate the pitch of bolt, through setting up this pitch measuring device 2, once measure the distance of a plurality of teeth, thereby reachs comparatively accurate pitch.
Specifically, fixing device 3 includes connecting block 301, and the surface symmetry sliding connection of support frame 109 has connecting block 301, and inside connecting block 301 ran through sleeve 110 and extended to sleeve 110, connecting block 301's bottom fixed mounting had connecting plate 302, and fixed mounting has extension spring 303 between the connecting plate 302, and the one end fixed mounting of the connecting block 301 of one side has first splint 304, and the one end fixed mounting of the connecting block 301 of opposite side has second splint 305.
In this embodiment: through setting up fixing device 3, when inserting the bolt inside sleeve 110, can outwards stimulate connecting block 301, make first splint 304 and second splint 305 separately, then inside inserting the bolt sleeve 110, loosen connecting block 301, make connecting plate 302 drive connecting block 301 inward movement under the pulling of extension spring 303, make the bolt fixed between first splint 304 and second splint 305, it can be more stable to prevent that the bolt from in the measurement process, through setting up this fixing device 3, can fix the bolt, make the bolt can be more stable when measuring.
Specifically, the hanging device 4 comprises a storage box 401, the storage box 401 is fixedly mounted at the bottom of the bottom plate 101, a containing groove 402 is formed in the storage box 401, a hook 403 is slidably connected to the inside of the containing groove 402, and a notch 404 is formed in the bottom of the storage box 401.
In this embodiment: through setting up linkage 4, after using complete individual device, can pass through breach 404, pull out couple 403 from holding tank 402, then can use couple 403 to hang whole device in the suitable position of wall, the person of facilitating the use accomodates the arrangement to whole device, person of facilitating the use's daily use, take off the back with whole device from the wall, can inwards promote couple 403, accomodate couple 403 in receiver 401, through setting up this linkage 4, the person of facilitating the use accomodates whole device, the practicality of the device has been improved greatly.
Specifically, a round hole is formed in the bottom of the rectangular block 103, and the rectangular block 103 is slidably connected with the support rod 102 through the round hole.
In this embodiment: the rectangular block 103 is allowed to slide along the support bar 102 through the circular hole.
Specifically, a threaded hole is formed in the cylinder 107, and the threaded hole is engaged with the threaded rod 105.
In this embodiment: allowing the cylinder 107 to move along the threaded rod 105 as the threaded rod 105 rotates.
Specifically, the threaded rod 105 is rotatably connected to the bottom plate 101 through a bearing, and opposite threads are symmetrically formed on the surface of the threaded rod 105.
In this embodiment: allowing the two cylinders 107 to move in opposite directions when the threaded rod 105 is rotated.
Specifically, a positioning block is fixedly mounted on one side of the fixed teeth 203, and the fixed teeth 203 are slidably connected with the through groove 202 through the positioning block.
In this embodiment: the positioning block can make the fixed teeth 203 stably slide in the through groove 202.
Specifically, a structural groove is formed in the surface of the support frame 109, and the connecting block 301 is slidably connected with the support frame 109 through the structural groove.
In this embodiment: the structural grooves can limit the sliding of the connecting block 301, so that the movement of the connecting block 301 is more stable.
Specifically, the method for detecting the thread pitch diameter reference comprises the following steps:
s1: the bolt to be detected is inserted into the sleeve 110, and then the knob 106 is screwed to move the rectangular block 103 inwards, so that the stop block 104 contacts the bolt to be detected, and the major diameter D of the bolt to be detected can be obtained by reading the major diameter scale 108.
S2: then, the bolt sleeve 110 to be detected is taken out, the bolt to be detected is placed on the U-shaped block 201, then the fixed teeth 203 are clamped into the groove of the bolt to be detected by pressing the pressing plate 206, the movable teeth 204 are clamped into the other groove of the bolt to be detected, then the distance L between the movable teeth 204 and the fixed teeth 203 is read through the thread pitch scale 205, and the number n of the teeth between the movable teeth 204 and the fixed teeth 203 is counted through the penetrating groove 202.
S3: and then calculating to obtain a pitch P which is L/n, and calculating to obtain a D2 which is D-0.6495xL/n according to a calculation formula D2 which is D-Px0.6495 of the pitch diameter, so as to calculate the pitch diameter of the bolt to be detected.
In this embodiment: the pitch diameter of the thread can be rapidly calculated by a user through a calculation formula.
The working principle is as follows: when the major diameter of the bolt needs to be measured, the bolt is inserted into the sleeve 110, then the knob 106 is screwed, the knob 106 drives the threaded rod 105 to rotate, the cylinder 107 is driven by the threaded rod 105 to move inwards along the threaded rod 105, the rectangular block 103 drives the stop block 104 to move inwards, the thread of the bolt is clamped between the stop blocks 104, namely the major diameter of the bolt can be obtained by reading the major diameter scale 108, wherein the support rod 102 can limit the rectangular block 103 in the moving process of the rectangular block 103, the stop block is perpendicular to the bottom plate 101 all the time in the moving process, so that the measurement result of the major diameter of the thread is more accurate, when the thread pitch of the bolt needs to be measured, the bolt is attached to the U-shaped block 201, then the pressing plate 206 is pressed, the fixed teeth 203 and the movable teeth 204 are clamped into the grooves of the bolt, and then the distance between the fixed teeth 203 and the movable teeth 204 is read through the thread pitch scale 205, then, the number of teeth between the fixed teeth 203 and the movable teeth 204 is counted through the through groove 202, so that the screw pitch of the bolt can be calculated, when the bolt is inserted into the sleeve 110, the connecting block 301 can be pulled outwards to separate the first clamping plate 304 from the second clamping plate 305, then the bolt is inserted into the sleeve 110, the connecting block 301 is loosened, the connecting plate 302 drives the connecting block 301 to move inwards under the pulling of the tension spring 303, so that the bolt is fixed between the first clamping plate 304 and the second clamping plate 305, the bolt is prevented from being more stable in the measuring process, after the whole device is used, the hook 403 can be pulled out from the accommodating groove 402 through the notch 404, then the whole device can be hung at a proper position on the wall surface by using the hook 403, the whole device is convenient for the user to accommodate and arrange, the daily use of the user is convenient, after the whole device is taken down from the wall surface, the hook 403 can be pushed inwards, hook 403 is stored in storage case 401.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a detection apparatus of screw thread pitch diameter benchmark, includes major diameter measuring device (1), its characterized in that: a screw pitch measuring device (2) is arranged on one side of the major diameter measuring device (1), a fixing device (3) is arranged on the surface of the major diameter measuring device (1), and a suspension device (4) is arranged at the bottom of the major diameter measuring device (1);
the large-diameter measuring device (1) comprises a bottom plate (101), a supporting rod (102) is fixedly installed inside the bottom plate (101), a rectangular block (103) is symmetrically and slidably connected to the surface of the supporting rod (102), a stop block (104) is fixedly installed on the surface of the rectangular block (103), a threaded rod (105) is rotatably connected inside the bottom plate (101), a knob (106) is fixedly installed at one end of the threaded rod (105), a cylinder (107) is sleeved on the surface of the threaded rod (105), the cylinder (107) is fixedly connected with the rectangular block (103), large-diameter scales (108) are formed in the surface of the bottom plate (101), a supporting frame (109) is fixedly installed on the surface of the bottom plate (101), and a sleeve (110) is fixedly installed at the top of the supporting frame (109);
the screw pitch measuring device (2) comprises a U-shaped block (201), the U-shaped block (201) is fixedly connected with a bottom plate (101), a through groove (202) is formed in one side of the U-shaped block (201), a fixed tooth (203) is fixedly installed at one end of the through groove (202), a movable tooth (204) is slidably connected inside the through groove (202), screw pitch scales (205) are formed in the surface of the U-shaped block (201), and a pressing plate (206) is rotatably connected to one side of the bottom plate (101);
fixing device (3) include connecting block (301), the surperficial symmetry sliding connection of support frame (109) has connecting block (301), inside connecting block (301) run through sleeve (110) and extend to sleeve (110), the bottom fixed mounting of connecting block (301) has connecting plate (302), fixed mounting has extension spring (303), one side between connecting plate (302) the one end fixed mounting of connecting block (301) has first splint (304), the opposite side the one end fixed mounting of connecting block (301) has second splint (305).
2. The thread pitch diameter reference detection device according to claim 1, wherein: hanging device (4) are including receiver (401), the bottom fixed mounting of bottom plate (101) has receiver (401), holding tank (402) have been seted up to the inside of receiver (401), the inside sliding connection of holding tank (402) has couple (403), breach (404) have been seted up to the bottom of receiver (401).
3. The thread pitch diameter reference detection device according to claim 1, wherein: the bottom of the rectangular block (103) is provided with a round hole, and the rectangular block (103) is connected with the support rod (102) in a sliding mode through the round hole.
4. The thread pitch diameter reference detection device according to claim 1, wherein: the interior of the cylinder (107) is provided with a threaded hole which is meshed with the threaded rod (105).
5. The thread pitch diameter reference detection device according to claim 1, wherein: the threaded rod (105) is rotatably connected with the bottom plate (101) through a bearing, and opposite threads are symmetrically formed in the surface of the threaded rod (105).
6. A thread pitch diameter reference detecting device according to claim 3, wherein: the surface of the support frame (109) is provided with a structural groove, and the connecting block (301) is connected with the support frame (109) in a sliding mode through the structural groove.
7. The detection method of the thread pitch diameter reference detection device according to claim 1, characterized by comprising the following steps:
s1: inserting a bolt to be detected into a sleeve (110), and then screwing a knob (106) to move a rectangular block (103) inwards, so that a stop block (104) is contacted with the bolt to be detected, and the major diameter D of the bolt to be detected can be obtained by reading the major diameter scale (108);
s2: then taking out the bolt to be detected from the sleeve (110), placing the bolt to be detected on a U-shaped block (201), then pressing a pressing plate (206) to clamp the fixed teeth (203) into a groove of the bolt to be detected, clamping the movable teeth (204) into another groove of the bolt to be detected, reading out the distance L between the movable teeth (204) and the fixed teeth (203) through a thread pitch scale (205), and counting the number n of teeth between the movable teeth (204) and the fixed teeth (203) through the through groove (202);
s3: and then calculating to obtain a pitch P which is L/n, and calculating to obtain a D2 which is D-0.6495xL/n according to a calculation formula D2 which is D-Px0.6495 of the pitch diameter, so as to calculate the pitch diameter of the bolt to be detected.
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US6145207A (en) * | 1998-03-23 | 2000-11-14 | Brunson Instrument Company | Thread pitch diameter measuring system |
CN202204502U (en) * | 2011-09-19 | 2012-04-25 | 贵州航太精密制造有限公司 | Device for measuring pitch diameter of external thread |
CN103604345A (en) * | 2013-10-16 | 2014-02-26 | 格林精密部件(苏州)有限公司 | Worm intermediate diameter measuring device |
CN104197881B (en) * | 2014-08-28 | 2017-01-11 | 中北大学 | Medium diameter direct measuring instrument for cylindrical external thread |
CN105066936B (en) * | 2015-07-31 | 2018-05-04 | 重庆华瑞标准件制造有限公司 | The rapid measurement device and its application method of rectangle tooth screw central diameter |
CN105091690B (en) * | 2015-08-31 | 2018-06-19 | 哈尔滨福瑞达航空机械有限公司 | New semi automatic external thread gauge general measuring instrument |
CN105300239A (en) * | 2015-10-28 | 2016-02-03 | 吉林东光集团有限公司 | Method and device for measuring pitch diameter of external thread |
CN205090913U (en) * | 2015-11-12 | 2016-03-16 | 哈尔滨东量工具有限公司 | Pitch diameter detector |
CN205102747U (en) * | 2015-11-20 | 2016-03-23 | 韩明辉 | A multi -functional external screw thread measuring apparatu for laboratory |
CN106767296B (en) * | 2016-12-19 | 2019-07-05 | 河南平高电气股份有限公司 | A kind of pitch diameter of external thread measuring device |
CN109141169B (en) * | 2018-11-09 | 2024-05-14 | 荆州市锦钿航空配件股份有限公司 | Thread pitch diameter runout gauge |
CN109373879B (en) * | 2018-12-11 | 2024-04-16 | 湖北钜鑫工贸有限公司 | Part outline dimension detection device and detection method |
CN210833365U (en) * | 2019-11-22 | 2020-06-23 | 浙江金盛轴承有限公司 | Pitch measuring device |
CN211527341U (en) * | 2020-01-20 | 2020-09-18 | 昆山尚瑞智能科技有限公司 | Thread measuring mechanism |
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2020
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