CN101412211A - Special-purpose tool for screwing in double-ended stud - Google Patents

Special-purpose tool for screwing in double-ended stud Download PDF

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Publication number
CN101412211A
CN101412211A CN 200810143318 CN200810143318A CN101412211A CN 101412211 A CN101412211 A CN 101412211A CN 200810143318 CN200810143318 CN 200810143318 CN 200810143318 A CN200810143318 A CN 200810143318A CN 101412211 A CN101412211 A CN 101412211A
Authority
CN
China
Prior art keywords
double
screw
screwing
blocks
ended stud
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.)
Pending
Application number
CN 200810143318
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Chinese (zh)
Inventor
曾明星
王晓波
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.)
Jishou University
Original Assignee
Jishou University
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 Jishou University filed Critical Jishou University
Priority to CN 200810143318 priority Critical patent/CN101412211A/en
Publication of CN101412211A publication Critical patent/CN101412211A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a special tool for a screw-in double-end stud, which comprises two clamping bars connected rotationally. The two clamping bars are provided with clamping blocks. The inner sides of the clamping blocks are arc surfaces which have convex structures. Two movable blocks are arranged between the two clamping bars, and the movable blocks are connected with the clamping blocks through adjusting screws and positioned at the top ends of the adjusting screws. Because the inner sides of the two clamping blocks or the movable blocks are the arc surfaces which are provided with internal threads or convex teeth arrayed in spiral lines, and specification and model of a thread nip consisting of the two clamping blocks or the movable blocks are the same as those of the screw thread of the screw-in double-end stud to be mounted or detached; and when the screw-in double-end stud is mounted or detached, the two clamping blocks or the movable blocks directly clamp a thread part at the non-screw-in end of the screw-in double-end stud, the contact surface of the two clamping blocks or the movable blocks and the screw-in double-end stud is a thread surface, so the screw-in double-end stud can be quickly and easily mounted or detached, and the thread surface of the screw-in double-end stud can not be damaged.

Description

A kind of special-purpose tool for screwing in double-ended stud
Technical field
The present invention relates to handling instrument, the specific purpose tool of particularly a kind of installation, dismounting screwing in double-ended stud.
Background technology
Chemical enterprise is a flow type enterprise, chemical material between each production equipment of enterprise extensively adopts pipeline to carry, design has pipe fittings such as valve, flange on the pipeline, the pipeline of access device connects with generally adopting screwed flange being connected of apparatus body, especially high-tension apparatus, the import and export of part high pressure valve connect with also adopting screwed flange being connected of its pipeline.It is earlier screwed flange to be installed on the threaded pipeline of car that screwed flange connects, and connects binding thread flange and equipment or high pressure valve with being screwed into stud again.Every cover is screwed into stud and is made up of a screwing in double-ended stud and a nut.During installation, earlier with in the screw on the screw terminal screw-in apparatus body of screwing in double-ended stud, high pressure flange is installed then usually, is gone up jack panel at last again together with pipe fittings such as high-voltage tubes.The screwing in double-ended stud of standard does not design the boss of common wrench clamping, generally directly screwing in double-ended stud is screwed in screw with hand by assembling, service worker, so unusual effort, operating efficiency is low again, particularly cooperates when tight more obvious with screw when screwing in double-ended stud.For addressing this problem, often the method that adopts has two kinds.A kind of method is: earlier the non-screw terminal of screwing in double-ended stud is loaded onto two nuts, piece together these two nuts tight, pull one of them nut with spanner, thereby screwing in double-ended stud is screwed in the screw on the apparatus body, again this two nut is unloaded after being screwed to the position.The shortcoming of this method is comparatively to bother, inefficiency; Another kind method is: block screwing in double-ended stud with pipe grippers, again screwing in double-ended stud is screwed in the screw of apparatus body, but the shortcoming of this method is, no matter be clipped on the polished rod of studs or on the screw thread, all occur easily skidding and damages the phenomenon on studs surface.Therefore, be necessary to design a kind of specific purpose tool, improve existing method, so that Fast Installation or dismounting screwing in double-ended stud.
Summary of the invention
In order to overcome the deficiency in the background technology, the invention provides a kind of can Fast Installation or the screwing in double-ended stud of dismounting all size, can't damage the specific purpose tool of screwing in double-ended stud thread surface.
The technical solution adopted for the present invention to solve the technical problems: a kind of special-purpose tool for screwing in double-ended stud, comprise two clamping bars that are rotatably connected, have fixture block on two clamping bars.
The inboard of described fixture block is an arcwall face, has the convex structure on the arcwall face.
Described convex structure is internal thread or the double wedge arranged of line in the shape of a spiral.
Be provided with two movable blocks between described two fixture blocks, movable block is connected with fixture block by adjustment screw, and is positioned at the top of adjustment screw.
The inboard of described movable block is an arcwall face, has the convex structure on the arcwall face.
Described convex structure is internal thread or the double wedge arranged of line in the shape of a spiral.
Described two clamping bars connect by hinges.
Beneficial effect of the present invention: because the inboard of two fixture blocks or two movable blocks is an arcwall face, have internal thread or the double wedge arranged of line in the shape of a spiral on the arcwall face, the specifications and models of the screw clamp mouth that two fixture blocks or two movable blocks are formed are identical with the specifications and models of the screw thread of the screwing in double-ended stud of to be installed or dismounting, during the installation or removal screwing in double-ended stud, the threaded portion of the non-screw terminal of two fixture blocks or two movable block clamping screwing in double-ended stud, the contact-making surface of two fixture blocks or two movable blocks and screwing in double-ended stud is a thread surface, contact area is big, very little clamping force can produce bigger frictional force to the screw thread position of screwing in double-ended stud so that transmit torsional moment, so can the very fast screwing in double-ended stud of installation or removal very like a cork, operating efficiency is very high, and can not damage the thread surface of screwing in double-ended stud.This tool construction is simple, and is easy to use, easy to utilize.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention 1;
Fig. 2 is the vertical view of the embodiment of the invention 1;
Fig. 3 is the front view of the embodiment of the invention 2;
Fig. 4 is the vertical view of the embodiment of the invention 2.
The specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, instrument comprises that the end of two clamping bars, 1, two clamping bar 1 connects by hinge 5.Position near hinge on two clamping bars 1 is provided with arc fixture block 2, have screwed hole on the two arc fixture blocks 2, screw 4 is housed in the screwed hole, the end of screw 4 is connected with arc movable block 3, the inboard of two arc movable blocks 3 has internal thread, constitutes screw clamp mouth 6 between the two arc movable blocks 3.Can regulate distance between the two arc movable blocks 3 by rotating two screws 4, the size that can regulate screw clamp mouth 6 by the two arc movable blocks 3 of changing different size is with the dress of the screwing in double-ended stud that is applicable to various different sizes, tear open.
Embodiment 2
As shown in Figure 3, Figure 4, instrument comprises that the end of two clamping bars, 1, two clamping bar 1 has arc fixture block 2, two clamping bars and connects by hinge 5 at the position near fixture block.Have screwed hole on the two arc fixture blocks 2, screw 4 is housed in the screwed hole, the inboard that the end of screw 4 is connected with arc movable block 3, two arc movable blocks 3 has internal thread, constitutes screw clamp mouth 6 between the two arc movable blocks 3.Can regulate distance between the two arc movable blocks 3 by rotating two screws 4, the size that can regulate screw clamp mouth 6 by the two arc movable blocks 3 of changing different size is with the dress of the screwing in double-ended stud that is applicable to various different sizes, tear open.
The present invention does not limit above-mentioned two kinds of embodiment, among embodiment 1 and the embodiment 2 arc movable block 3 and screw 4 can be set, and directly at the inboard machining internal thread of two arc fixture blocks 2 or the double wedge arranged of line in the shape of a spiral, by constituting the screw clamp mouth between the two arc fixture blocks 2, screwing in double-ended stud is carried out clamping; The inboard of movable block 3 machining internal thread not among embodiment 1 and the embodiment 2, and be processed into double wedge that line in the shape of a spiral arranges in order to the chucking double-screw bolt; Screw 4 among embodiment 1 and the embodiment 2 can not be a screw, and can with straight pin or the band boss straight pin support, geocoded activity piece 3; In addition, the profile of fixture block 2 and movable block 3 can not be an arc, but other shape, as long as its inboard is arcwall face; The inboard of fixture block 2 and movable block 3 can also not be an arcwall face, but one or more planes that can binding nut, thereby can load and unload nut or bolt.

Claims (7)

1, a kind of special-purpose tool for screwing in double-ended stud is characterized in that: comprise two clamping bars (1) that are rotatably connected, have fixture block (2) on two clamping bars (1).
2, special-purpose tool for screwing in double-ended stud according to claim 1 is characterized in that: the inboard of described fixture block (2) is an arcwall face, has the convex structure on the arcwall face.
3, special-purpose tool for screwing in double-ended stud according to claim 2 is characterized in that: described convex structure is internal thread or the double wedge arranged of line in the shape of a spiral.
4, special-purpose tool for screwing in double-ended stud according to claim 1 is characterized in that: be provided with two movable blocks (3) between described two fixture blocks (2), movable block (3) is connected with fixture block (2) by adjustment screw (4), and is positioned at the top of adjustment screw (4).
5, special-purpose tool for screwing in double-ended stud according to claim 4 is characterized in that: the inboard of described movable block (3) is an arcwall face, has the convex structure on the arcwall face.
6, special-purpose tool for screwing in double-ended stud according to claim 5 is characterized in that: described convex structure is internal thread or the double wedge arranged of line in the shape of a spiral.
7, special-purpose tool for screwing in double-ended stud according to claim 1 is characterized in that: described two clamping bars (1) connect by hinges (5).
CN 200810143318 2008-10-12 2008-10-12 Special-purpose tool for screwing in double-ended stud Pending CN101412211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810143318 CN101412211A (en) 2008-10-12 2008-10-12 Special-purpose tool for screwing in double-ended stud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810143318 CN101412211A (en) 2008-10-12 2008-10-12 Special-purpose tool for screwing in double-ended stud

Publications (1)

Publication Number Publication Date
CN101412211A true CN101412211A (en) 2009-04-22

Family

ID=40593060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810143318 Pending CN101412211A (en) 2008-10-12 2008-10-12 Special-purpose tool for screwing in double-ended stud

Country Status (1)

Country Link
CN (1) CN101412211A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873656A (en) * 2012-09-10 2013-01-16 河南省电力公司信阳供电公司 Nut dismounting device of transformer
CN107789048A (en) * 2017-11-15 2018-03-13 榆林市中医医院 A kind of new orthopaedic trauma being accurately positioned is clamped with replacement and fixation
CN112157629A (en) * 2020-09-28 2021-01-01 安徽智扬门业股份有限公司 Tool for adjusting door gap

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873656A (en) * 2012-09-10 2013-01-16 河南省电力公司信阳供电公司 Nut dismounting device of transformer
CN102873656B (en) * 2012-09-10 2015-08-19 国家电网公司 Transformer nut remover
CN107789048A (en) * 2017-11-15 2018-03-13 榆林市中医医院 A kind of new orthopaedic trauma being accurately positioned is clamped with replacement and fixation
CN112157629A (en) * 2020-09-28 2021-01-01 安徽智扬门业股份有限公司 Tool for adjusting door gap

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Open date: 20090422