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CN104142111A - Screw rod and threaded hole perpendicularity test tool with same - Google Patents

Screw rod and threaded hole perpendicularity test tool with same Download PDF

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Publication number
CN104142111A
CN104142111A CN201310361312.0A CN201310361312A CN104142111A CN 104142111 A CN104142111 A CN 104142111A CN 201310361312 A CN201310361312 A CN 201310361312A CN 104142111 A CN104142111 A CN 104142111A
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CN
China
Prior art keywords
tapered sleeve
external thread
screw rod
hole
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310361312.0A
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Chinese (zh)
Other versions
CN104142111B (en
Inventor
张子明
符严平
张维浩
刘雅娟
孔玉辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310361312.0A priority Critical patent/CN104142111B/en
Publication of CN104142111A publication Critical patent/CN104142111A/en
Application granted granted Critical
Publication of CN104142111B publication Critical patent/CN104142111B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a screw rod and a threaded hole perpendicularity test tool with the same. The screw rod comprises a central screw rod body, a taper sleeve, at least two external threaded blocks evenly distributed on the periphery of the taper sleeve in the circumference direction, and an elastic maintaining structure used for hooping the external threaded blocks on the peripheral face of the taper sleeve. A threaded part used for being connected with the central screw rod body in a threaded mode is arranged in the taper sleeve, the peripheral face of the taper sleeve is an external taper face with the small end and the large end distributed in the axial direction of the central screw rod body, the external threaded blocks are provided with external threads coaxial with the central screw rod body, the external threaded blocks and the taper sleeve are matched in the axial direction of the central screw rod body in a rotation-stopping movement mode, and the external threaded blocks are further provided with inner taper faces which are matched with the external taper face of the taper sleeve and are subjected to radial opening acting force under the axial moving effect of the taper sleeve. The central screw rod body is rotated to enable the external threaded blocks to be expanded and retracted, so that the diameter of the circumferential face where the external threaded blocks are located is changed, and when the screw rod is used for carrying out threaded hole perpendicularity testing, the radial gap generated when the screw rod is connected with a tested threaded hole can be eliminated, and precision of a testing result is improved.

Description

A kind of screw rod and use this screw flight hole perpendicularity cubing
Technical field
The present invention relates to a kind of screw rod and use this screw flight hole perpendicularity cubing.
Background technology
The existing cubing for detection of screw thread hole verticality as Granted publication number be the Chinese patent " screw thread hole verticality inspection tool " of CN 201302442Y, this cubing comprises that center offers the cylindrical reference seat of screw rod perforation and is threaded onto the detection screw rod in the perforation of reference seat screw rod, reference seat departs from screw rod perforation place and is also provided with the through hole for installing dial gauge, the gauge head of dial gauge from through hole, pass and for threaded hole end contact to be measured, in the time detecting, to detect screw rod screws in threaded hole to be measured, reference seat is sleeved on and is detected on screw rod, make the gauge head of dial gauge and the end contact of threaded hole to be measured, rotation reference seat, reference seat drives the dial gauge on it to detect.This cubing adopts detection screw rod and the threaded hole threaded engagement to be measured of same size to detect, but because making threaded hole to be measured, mismachining tolerance coordinating of screw rod often there is certain radial play with detection, cause detecting relatively radially deflection of screw rod, affect the precision of testing result.
Summary of the invention
The object of the invention is to propose a kind of diameter adjusting screw.The present invention also provides a kind of high screw thread hole verticality inspection tool of accuracy of detection that uses above-mentioned screw rod.
For addressing the above problem, the technical scheme that in the present invention, a kind of adjusting screw adopts is:
A kind of screw rod, comprise center bolt, be sheathed on the tapered sleeve of center bolt periphery, be uniformly distributed along the circumference at least two external thread pieces of tapered sleeve periphery, elastic holding structure by each external thread piece banding on inner conical drogue outer peripheral face, tapered sleeve inside has the threaded portion being threaded with center bolt, tapered sleeve outer peripheral face is the male cone (strobilus masculinus) that large end and small end axially distribute along center bolt, each external thread piece has the external thread being coaxially set with center bolt, described external thread piece axially only revolves mobile cooperation with tapered sleeve along center bolt, each external thread piece also has and coordinates with the male cone (strobilus masculinus) of described tapered sleeve, under moving axially effect, tapered sleeve is subject to radially opening the inner conical surface of acting force.
Described elastic holding structure be inlaid in each external thread piece two ends arrange annular groove in snap ring.
Also comprise the axle sleeve being sleeved on center bolt, described axle sleeve outer peripheral face is provided with at least one group of circumferential spacing hole, the circumferential spacing hole of each group has at least two and circumferentially distribute along axle sleeve, each circumferential spacing hole is communicated with inner hole of shaft sleeve, described threaded portion is the female spline key of at least two tools piece along the releasable connection of endoporus side face in tapered sleeve endoporus, each spline key piece coordinates with corresponding circumferentially spacing hole plug-in mounting spline, is provided with the circumferentially spacing groove of external threaded block for setting-in external thread piece on described tapered sleeve outer peripheral face.
Described center bolt axially has along it left-handed screw section and right handed screw section that rotation direction is contrary, circumferential spacing hole on described axle sleeve has two groups and setting corresponding to left-handed screw section and right handed screw section respectively, described tapered sleeve comprises that threaded portion is respectively by two groups of circumferential spacing holes and corresponding left-handed screw section and the corresponding left-handed tapered sleeve being threaded of right handed screw section and dextrorotation tapered sleeve, the small end of described left-handed tapered sleeve and dextrorotation tapered sleeve is oppositely arranged, the inner conical surface of described external thread piece be distributed in external thread piece along the axial two ends of center bolt and respectively with the outer peripheral face cone match of left-handed tapered sleeve and dextrorotation tapered sleeve, described axle sleeve between two groups of circumferential spacing holes, be provided with for setting-in elasticity baffle ring with to each tapered sleeve at the spacing outer baffle ring groove of axial movement, described external thread piece is provided with the inner baffle ring groove corresponding with described outer baffle ring groove between the inner conical surface of two ends.
The technical scheme that uses above-mentioned screw flight hole perpendicularity cubing to adopt in the present invention is:
A kind of screw thread hole verticality inspection tool, comprise reference seat, in described reference seat, be provided with for installing and detect the screw rod perforation of screw rod and for installing the detection through hole that detects dial gauge, in the perforation of described screw rod, be coated with for the detection screw rod of threaded hole threaded engagement to be detected, it is characterized in that: described detection screw rod comprises center bolt, be sheathed on the tapered sleeve of center bolt periphery, be uniformly distributed along the circumference at least two external thread pieces of tapered sleeve periphery, elastic holding structure by each external thread piece banding on inner conical drogue outer peripheral face, tapered sleeve inside has the threaded portion being threaded with center bolt, tapered sleeve outer peripheral face is the male cone (strobilus masculinus) that large end and small end axially distribute along center bolt, each external thread piece has the external thread being coaxially set with center bolt, described external thread piece axially only revolves mobile cooperation with tapered sleeve along center bolt, each external thread piece also has and coordinates with the male cone (strobilus masculinus) of described tapered sleeve, under moving axially effect, tapered sleeve is subject to radially opening the inner conical surface of acting force.
Described elastic holding structure be inlaid in each external thread piece two ends arrange annular groove in snap ring.
Described reference seat also comprises the axle sleeve being sleeved on center bolt, described axle sleeve outer peripheral face is provided with at least one group of circumferential spacing hole, the circumferential spacing hole of each group has at least two and circumferentially distribute along axle sleeve, each circumferential spacing hole is communicated with inner hole of shaft sleeve, described threaded portion is the female spline key of at least two tools piece along the releasable connection of endoporus side face in tapered sleeve endoporus, each spline key piece coordinates with corresponding circumferentially spacing hole plug-in mounting spline, is provided with the circumferentially spacing groove of external threaded block for setting-in external thread piece on described tapered sleeve outer peripheral face.
Described center bolt axially has along it left-handed screw section and right handed screw section that rotation direction is contrary, circumferential spacing hole on described axle sleeve has two groups and setting corresponding to left-handed screw section and right handed screw section respectively, described tapered sleeve comprises that threaded portion is respectively by two groups of circumferential spacing holes and corresponding left-handed screw section and the corresponding left-handed tapered sleeve being threaded of right handed screw section and dextrorotation tapered sleeve, the small end of described left-handed tapered sleeve and dextrorotation tapered sleeve is oppositely arranged, the inner conical surface of described external thread piece be distributed in external thread piece along the axial two ends of center bolt and respectively with the outer peripheral face cone match of left-handed tapered sleeve and dextrorotation tapered sleeve, described axle sleeve between two groups of circumferential spacing holes, be provided with for setting-in elasticity baffle ring with to each tapered sleeve at the spacing outer baffle ring groove of axial movement, described external thread piece is provided with the inner baffle ring groove corresponding with described outer baffle ring groove between the inner conical surface of two ends.
Described reference seat also comprises the vertically disposed benchmark disk of axis with described axle sleeve, described benchmark disk and described axle sleeve are wholely set, the described screw rod central through hole being communicated with inner hole of shaft sleeve of offering for basic circle disk center of boring a hole, described detection through hole is the long guiding hole extending along circular arc line that benchmark disk pressed on ring is offered around central through hole.
The present invention propose a kind of screw rod and use this screw flight hole perpendicularity cubing, tapered sleeve is threaded on center bolt, tapered sleeve is outer binds round by elastic holding structure at least two external thread pieces that are provided with this tapered sleeve cone match, external thread piece and tapered sleeve only revolve mobile assembling, keep tapered sleeve and external thread piece spline, rotation center screw rod, the tapered sleeve with male cone (strobilus masculinus) axially moves along center bolt, thereby make the external thread piece of cone match with it change the diameter of external thread piece along the radial motion of center bolt, when the verticality that adopts this screw rod to carry out threaded hole detects, radial play can utilize the adjustable effect of the diameter of this screw rod to eliminate screw rod to be connected with tested threaded hole time, thereby can improve the precision of testing result.
Further, the threaded portion of tapered sleeve is the female spline key of at least two tools piece of releasable connection in tapered sleeve, thereby coordinate and prevent that tapered sleeve from circumferentially rotating with the circumferential spacing hole plug-in mounting on axle sleeve by spline key piece, external thread piece coordinates with the groove spline of tapered sleeve outer peripheral face, thereby while making rotation center screw rod, makes tapered sleeve along the axially mobile harmomegathus that realizes external thread piece of center bolt.
Further, adopt two sections of center bolts that rotation direction is different, and adopt two corresponding tapered sleeves to coordinate with it, can realize can two point locations in the time detecting, and it is more accurate locate, raising measuring accuracy.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of screw thread hole verticality inspection tool of the present invention; Also be the use constitutional diagram of screw rod in the present invention;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the structural representation of levogyrate inner thread key piece in Fig. 1;
Fig. 4 is the structural representation of dextrorotation internal thread key piece in Fig. 1;
Fig. 5 is the partial enlarged drawing at the B place in Fig. 3 and Fig. 4;
Fig. 6 is the structural representation after three levogyrate inner thread key piece combinations in Fig. 4;
Fig. 7 is the structural representation of Fig. 1 China and foreign countries threaded block;
Fig. 8 is the partial enlarged drawing at C place in Fig. 7;
Fig. 9 is the structural representation after three external thread piece combinations in Fig. 7;
Figure 10 is the structural representation of reference seat in Fig. 1;
Figure 11 is the E-E cut-open view of Figure 10;
Figure 12 is the structural representation of left-handed tapered sleeve and dextrorotation tapered sleeve in Fig. 1;
Figure 13 is the D-D cut-open view of Figure 12;
Figure 14 is the structural representation of Fig. 1 Elastic baffle ring;
Figure 15 is the left view of Figure 14;
Figure 16 is the structural representation of Fig. 1 Elastic snap ring;
Figure 17 is the structural representation of handle in Fig. 1;
Figure 18 is the structural representation of the standstill locking pin of connecting handle and center bolt in Fig. 1;
Figure 19 is the structural representation of center bolt in Fig. 1;
Figure 20 is the use constitutional diagram of screw rod arrangement for measuring verticality in Fig. 1;
Figure 21 is the structural representation of gauge stand in Figure 20;
Figure 22 is the left view of Figure 21.
Embodiment
The embodiment of screw thread hole verticality inspection tool in the present invention: as shown in Fig. 1~Figure 22, this screw thread hole verticality inspection tool comprises reference seat 5, the axle sleeve that reference seat 5 has a benchmark disk and is wholely set with benchmark disk, the axis of axle sleeve is vertical with the disc face of benchmark disk, on benchmark disk, offer be communicated with inner hole of shaft sleeve for installing the central through hole 54 of center bolt 7, on benchmark disk, offer around central through hole 54 long guiding hole 51 for the sounding rod that detects dial gauge 13 is passed extending along circular arc line, on axle sleeve, be provided with two groups of circumferential spacing holes 52 along its axially spaced-apart, every group of circumferential spacing hole 52 is along circumferentially three uniform slotted holes of axle sleeve, circumferentially spacing hole 52 is communicated with diametrically with inner hole of shaft sleeve, between two groups of circumferential spacing holes 52, offer the outer baffle ring groove 53 for clamping elasticity baffle ring 3, also comprise the detection screw rod for detection of threaded hole to be detected, detect screw rod and comprise center bolt 7, center bolt is to have left-handed screw section 72 that two sections of rotation directions are contrary and the screw rod of right handed screw section 71, center bolt 7 is installed on the axle sleeve of reference seat 5 from the central through hole 54 of benchmark disk, also comprise two tapered sleeves, two tapered sleeves are respectively has the left-handed tapered sleeve of the left-hand thread (LHT) part for being threaded with left-handed screw section and the dextrorotation tapered sleeve with the right-hand thread part for being threaded with right handed screw section, left-handed tapered sleeve comprises three of the first tapered sleeve 4 and the first tapered sleeve 4 interior releasable connections levogyrate inner thread key pieces 8 with levogyrate inner thread, dextrorotation tapered sleeve comprises the dextrorotation internal thread key piece 10 of the second tapered sleeve 9 and three tool dextrorotation internal threads of the interior releasable connection of the second tapered sleeve 9, three of being divided into for same levogyrate inner thread cylinder of levogyrate inner thread key piece 8, three of being divided into for same dextrorotation internal thread cylinder of dextrorotation internal thread key piece 10, being circumferentially arranged in the first tapered sleeve 4 and adopting holding screw to connect along the first tapered sleeve 4 by three levogyrate inner thread key pieces 8, being circumferentially arranged in the second tapered sleeve 9 and adopting holding screw to connect along the second tapered sleeve 9 by three dextrorotation internal thread key pieces 10, the first tapered sleeve 4 is identical with the structure of the second tapered sleeve 9, as Figure 12, shown in Figure 13, the outer peripheral face of two tapered sleeves is circumferentially evenly equipped with three along its axially extended groove 91 separately along it, between adjacent notches 91, be axially provided with two for connecting the trip bolt hole 92 of levogyrate inner thread key piece 8 or dextrorotation internal thread key piece 10 along it, there is the first tapered sleeve 4 of levogyrate inner thread key piece to be sleeved on the axle sleeve of reference seat 5 releasable connection outer and each levogyrate inner thread key piece 8 is threaded with the left-handed screw section 72 of screw rod by corresponding circumferentially spacing hole 52 on axle sleeve, there is the second tapered sleeve 9 of dextrorotation internal thread key piece be sleeved on outside axle sleeve and dextrorotation internal thread key piece 10 is threaded with the right handed screw section 71 of screw rod by the circumferential spacing hole 52 on axle sleeve releasable connection, thereby two tapered sleeves are moved only at the axial direction of center bolt along circumferential spacing hole in circumferential upper limit spline, the small end of two tapered sleeves is oppositely arranged, also comprise three external thread pieces 2 in three grooves 91 that are respectively used to be inlaid in the first tapered sleeve 4 and the second tapered sleeve 9, the structure of outside threaded holes is as shown in Fig. 7~Fig. 9, three external thread pieces 2 are three that an external thread cylinder is divided into, the threaded outside surface of the equal tool of each external thread piece and do not establish the inside surface of screw thread, each external thread piece also has and coordinates with the male cone (strobilus masculinus) of tapered sleeve, under moving axially effect, tapered sleeve is subject to radially opening the inner conical surface of acting force, each external thread piece is being respectively arranged with along the two ends of center bolt and the inner conical surface of the first tapered sleeve and the second tapered sleeve cone match, the two ends of each external thread piece 2 outside surfaces are provided with the annular groove 21 of establishing snap ring 1 for blocking, each external thread piece 2 inside surfaces are provided with the inner baffle ring groove 22 of establishing elasticity baffle ring 3 for blocking, thereby three external thread pieces 2 are installed in the groove 91 arranging on two tapered sleeve outer peripheral faces and make external thread piece in upwards spline of the week of tapered sleeve, the inner baffle ring groove 22 arranging in the middle of external thread piece 2 and the corresponding assembling of elasticity baffle ring 3 arranging on the axle sleeve of reference seat 5, the annular groove 21 that snap ring 1 is assembled to external thread piece 2 two ends is interior by three external thread piece 2 bandings, center bolt 7 is provided with handle 6 away from reference seat 5 axle sleeve one end, in the spline pin-and-hole 61 of handle 6, installing standstill locking pin 11 is fixedly connected with handle with center bolt 7.
When use, hand-held reference seat rotary handle 6, each tapered sleeve coordinates with the circumferential spacing hole plug-in mounting spline on reference seat axle sleeve by three left-hand thread (LHT) key pieces on it or right-hand thread key piece, three external thread pieces coordinate with tapered sleeve spline by the groove on tapered sleeve, rotary handle drives center bolt to rotate and two tapered sleeves that are threaded with it is moved round about, three external thread pieces 2 inwardly shrink under the effect of snap ring 1, until make the reduced that detects screw rod to minimum, the threaded hole that detection screw rod spinning is entered to workpiece 12 to be detected is to correct position, rotary handle 6, levogyrate inner thread key piece 8 in two tapered sleeves and dextrorotation internal thread key piece 10 drive respectively tapered sleeve relative motion, tapered sleeve coordinates slip with three external thread piece 2 inclined-planes, outwards threaded block 2 is middle close gradually for the large end of tapered sleeve, due to the external thread piece 2 thin thick middle in two ends, therefore tapered sleeve forces three external thread pieces 2 outwards to expand, until rotate motionless, the tolerance clearance between three external thread pieces 2 and threaded hole to be detected disappears, the sounding rod that detects dial gauge 13 is passed to long guiding hole 51, make the end contact of the measuring head of sounding rod end and the threaded hole of workpiece to be detected 12, adopting dial indicator holder 14 to make to detect dial gauge height and position fixes, move and detect dial gauge 14 along long guiding hole 51, the reading of observing detection dial gauge 14 can record the verticality of this threaded hole, between the axle sleeve of reference seat 5 and external thread piece 2, be provided with elasticity baffle ring 3, limit the displacement of each tapered sleeve.
Adopt in the present embodiment the screw rod with contrary rotation direction, and adopt respectively two tapered sleeve move toward one another or relative motions with the conical surface that coordinate with the screw flight of corresponding rotation direction to realize the diameter adjustment that detects screw rod, the tapered sleeve with the conical surface that also can only adopt in other embodiments of the invention a kind of screw rod of rotation direction and coordinate with it, makes tapered sleeve move and make external thread piece expand with external thread piece cone match or shrink along screw axial.
Tapered sleeve is to adopt in tapered sleeve, to fix three along the uniform levogyrate inner thread key piece of tapered sleeve endoporus side face or dextrorotation internal thread key piece in the present embodiment, coordinate with the circumferential spacing hole of axle sleeve so that tapered sleeve spline and axially moving along center bolt by levogyrate inner thread key piece or dextrorotation internal thread key piece, also can be the whole sleeve pipe with levogyrate inner thread or dextrorotation internal thread of releasable connection one in tapered sleeve in other embodiments of the invention, or tapered sleeve and levogyrate inner thread sleeve pipe or dextrorotation internal thread sleeve pipe are wholely set, now need to rely on hand-held or other external force to make external thread piece and tapered sleeve spline, and make center bolt rotate time, tapered sleeve spline and can only axially moving along center bolt.
Tapered sleeve adopts trip bolt to be connected with levogyrate inner thread piece or dextrorotation internal thread piece in the present embodiment, also can adopt in other embodiments of the invention pin to connect.
External thread piece is three external thread pieces that an external thread cylinder is divided in the present embodiment, and two external thread pieces or more than three external thread piece also can be only set in other embodiments of the invention.
In the present invention, a kind of embodiment of screw rod is as shown in Fig. 1~Figure 22, and its structure and using method, with to detect screw rod in above-described embodiment identical, do not repeat them here.

Claims (9)

1. a screw rod, it is characterized in that: comprise center bolt, be sheathed on the tapered sleeve of center bolt periphery, be uniformly distributed along the circumference at least two external thread pieces of tapered sleeve periphery, elastic holding structure by each external thread piece banding on inner conical drogue outer peripheral face, tapered sleeve inside has the threaded portion being threaded with center bolt, tapered sleeve outer peripheral face is the male cone (strobilus masculinus) that large end and small end axially distribute along center bolt, each external thread piece has the external thread being coaxially set with center bolt, described external thread piece axially only revolves mobile cooperation with tapered sleeve along center bolt, each external thread piece also has and coordinates with the male cone (strobilus masculinus) of described tapered sleeve, under moving axially effect, tapered sleeve is subject to radially opening the inner conical surface of acting force.
2. screw rod according to claim 1, is characterized in that: described elastic holding structure be inlaid in each external thread piece two ends arrange annular groove in snap ring.
3. screw rod according to claim 1, it is characterized in that: also comprise the axle sleeve being sleeved on center bolt, described axle sleeve outer peripheral face is provided with at least one group of circumferential spacing hole, the circumferential spacing hole of each group has at least two and circumferentially distribute along axle sleeve, each circumferential spacing hole is communicated with inner hole of shaft sleeve, described threaded portion is the female spline key of at least two tools piece along the releasable connection of endoporus side face in tapered sleeve endoporus, each spline key piece coordinates with corresponding circumferentially spacing hole plug-in mounting spline, on described tapered sleeve outer peripheral face, be provided with the circumferentially spacing groove of external threaded block for setting-in external thread piece.
4. screw rod according to claim 3, it is characterized in that: described center bolt axially has along it left-handed screw section and right handed screw section that rotation direction is contrary, circumferential spacing hole on described axle sleeve has two groups and setting corresponding to left-handed screw section and right handed screw section respectively, described tapered sleeve comprises that threaded portion is respectively by two groups of circumferential spacing holes and corresponding left-handed screw section and the corresponding left-handed tapered sleeve being threaded of right handed screw section and dextrorotation tapered sleeve, the small end of described left-handed tapered sleeve and dextrorotation tapered sleeve is oppositely arranged, the inner conical surface of described external thread piece be distributed in external thread piece along the axial two ends of center bolt and respectively with the outer peripheral face cone match of left-handed tapered sleeve and dextrorotation tapered sleeve, described axle sleeve between two groups of circumferential spacing holes, be provided with for setting-in elasticity baffle ring with to each tapered sleeve at the spacing outer baffle ring groove of axial movement, described external thread piece is provided with the inner baffle ring groove corresponding with described outer baffle ring groove between the inner conical surface of two ends.
5. a screw thread hole verticality inspection tool, comprise reference seat, in described reference seat, be provided with for installing and detect the screw rod perforation of screw rod and for installing the detection through hole that detects dial gauge, in the perforation of described screw rod, be coated with for the detection screw rod of threaded hole threaded engagement to be detected, it is characterized in that: described detection screw rod comprises center bolt, be sheathed on the tapered sleeve of center bolt periphery, be uniformly distributed along the circumference at least two external thread pieces of tapered sleeve periphery, elastic holding structure by each external thread piece banding on inner conical drogue outer peripheral face, tapered sleeve inside has the threaded portion being threaded with center bolt, tapered sleeve outer peripheral face is the male cone (strobilus masculinus) that large end and small end axially distribute along center bolt, each external thread piece has the external thread being coaxially set with center bolt, described external thread piece axially only revolves mobile cooperation with tapered sleeve along center bolt, each external thread piece also has and coordinates with the male cone (strobilus masculinus) of described tapered sleeve, under moving axially effect, tapered sleeve is subject to radially opening the inner conical surface of acting force.
6. screw thread hole verticality inspection tool according to claim 5, is characterized in that: described elastic holding structure be inlaid in each external thread piece two ends arrange annular groove in snap ring.
7. screw thread hole verticality inspection tool according to claim 5, it is characterized in that: described reference seat also comprises the axle sleeve being sleeved on center bolt, described axle sleeve outer peripheral face is provided with at least one group of circumferential spacing hole, the circumferential spacing hole of each group has at least two and circumferentially distribute along axle sleeve, each circumferential spacing hole is communicated with inner hole of shaft sleeve, described threaded portion is the female spline key of at least two tools piece along the releasable connection of endoporus side face in tapered sleeve endoporus, each spline key piece coordinates with corresponding circumferentially spacing hole plug-in mounting spline, on described tapered sleeve outer peripheral face, be provided with the circumferentially spacing groove of external threaded block for setting-in external thread piece.
8. screw thread hole verticality inspection tool according to claim 7, it is characterized in that: described center bolt axially has along it left-handed screw section and right handed screw section that rotation direction is contrary, circumferential spacing hole on described axle sleeve has two groups and setting corresponding to left-handed screw section and right handed screw section respectively, described tapered sleeve comprises that threaded portion is respectively by two groups of circumferential spacing holes and corresponding left-handed screw section and the corresponding left-handed tapered sleeve being threaded of right handed screw section and dextrorotation tapered sleeve, the small end of described left-handed tapered sleeve and dextrorotation tapered sleeve is oppositely arranged, the inner conical surface of described external thread piece be distributed in external thread piece along the axial two ends of center bolt and respectively with the outer peripheral face cone match of left-handed tapered sleeve and dextrorotation tapered sleeve, described axle sleeve between two groups of circumferential spacing holes, be provided with for setting-in elasticity baffle ring with to each tapered sleeve at the spacing outer baffle ring groove of axial movement, described external thread piece is provided with the inner baffle ring groove corresponding with described outer baffle ring groove between the inner conical surface of two ends.
9. screw thread hole verticality inspection tool according to claim 8, it is characterized in that: described reference seat also comprises the vertically disposed benchmark disk of axis with described axle sleeve, described benchmark disk and described axle sleeve are wholely set, the described screw rod central through hole being communicated with inner hole of shaft sleeve of offering for basic circle disk center of boring a hole, described detection through hole is the long guiding hole extending along circular arc line that benchmark disk pressed on ring is offered around central through hole.
CN201310361312.0A 2013-08-19 2013-08-19 A kind of screw rod and use this screw flight hole perpendicularity cubing Active CN104142111B (en)

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CN104142111B CN104142111B (en) 2016-12-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157533A (en) * 2015-09-25 2015-12-16 安徽红桥金属制造有限公司 Threaded hole depth detecting tool
CN108332643A (en) * 2018-01-09 2018-07-27 泉州恒毅机械有限公司 Utensil is examined to screw thread
CN108413850A (en) * 2018-05-30 2018-08-17 洛阳隆华传热节能股份有限公司 A kind of application method of threaded plug type air cooler plug hole perpendicularity detection tool device
CN108489365A (en) * 2018-07-11 2018-09-04 株洲时代新材料科技股份有限公司 Cover the expansion detection and localization tooling and detection method of tubing product measuring for verticality

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859730A (en) * 1969-07-14 1975-01-14 Johnson Co Gage Screw thread gage using drag for testing
CN201302442Y (en) * 2008-12-01 2009-09-02 万向集团公司 Screw thread hole verticality inspection tool
CN201569405U (en) * 2009-11-11 2010-09-01 平高集团有限公司 Novel coaxial detecting tool
CN201764938U (en) * 2010-09-06 2011-03-16 中国重汽集团杭州发动机有限公司 Tool for detecting screw perpendicularity
CN201903312U (en) * 2010-12-08 2011-07-20 湖南南方宇航工业有限公司 Stepped hole screw thread verticality detection device
CN202885750U (en) * 2012-08-18 2013-04-17 陈硕 Tool for measuring perpendicularity of end face to axis of blind hole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859730A (en) * 1969-07-14 1975-01-14 Johnson Co Gage Screw thread gage using drag for testing
CN201302442Y (en) * 2008-12-01 2009-09-02 万向集团公司 Screw thread hole verticality inspection tool
CN201569405U (en) * 2009-11-11 2010-09-01 平高集团有限公司 Novel coaxial detecting tool
CN201764938U (en) * 2010-09-06 2011-03-16 中国重汽集团杭州发动机有限公司 Tool for detecting screw perpendicularity
CN201903312U (en) * 2010-12-08 2011-07-20 湖南南方宇航工业有限公司 Stepped hole screw thread verticality detection device
CN202885750U (en) * 2012-08-18 2013-04-17 陈硕 Tool for measuring perpendicularity of end face to axis of blind hole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157533A (en) * 2015-09-25 2015-12-16 安徽红桥金属制造有限公司 Threaded hole depth detecting tool
CN108332643A (en) * 2018-01-09 2018-07-27 泉州恒毅机械有限公司 Utensil is examined to screw thread
CN108332643B (en) * 2018-01-09 2024-01-09 泉州恒毅机械有限公司 Thread gauge
CN108413850A (en) * 2018-05-30 2018-08-17 洛阳隆华传热节能股份有限公司 A kind of application method of threaded plug type air cooler plug hole perpendicularity detection tool device
CN108489365A (en) * 2018-07-11 2018-09-04 株洲时代新材料科技股份有限公司 Cover the expansion detection and localization tooling and detection method of tubing product measuring for verticality

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