CN101244549A - Stud-bolt assembling device - Google Patents
Stud-bolt assembling device Download PDFInfo
- Publication number
- CN101244549A CN101244549A CNA2007100134970A CN200710013497A CN101244549A CN 101244549 A CN101244549 A CN 101244549A CN A2007100134970 A CNA2007100134970 A CN A2007100134970A CN 200710013497 A CN200710013497 A CN 200710013497A CN 101244549 A CN101244549 A CN 101244549A
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- Prior art keywords
- studs
- swivel nut
- stud
- drive pin
- assembling device
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Abstract
The invention discloses a double-head stud assembly device, comprising a threaded sleeve which is corresponding to the double-head stud and a fasten terminal strand, one end of the fasten terminal strand is revolved into the threaded sleeve and the other end is provided with a drive pin, the threaded sleeve is symmetrically provided with two projections which extends along the outside axial direction of the fasten terminal strand, the projections are respectively on the both sides of the drive pin to control the rotation angle of the drive pin, the double-head stud assembly device also comprises a force application apparatus driving the drive pin to rotate. The double-head stud assembly device has the advantages of eliminating the phenomenon of tearing down the double-head stud or deadlocking in a tool because of the engaged force of the stud screw thread and the tool when the double-head stud has been assembled and is disassembled using a tool, convenient for the assembly of the double-head stud.
Description
Technical field
The present invention relates to a kind of assembly tool, especially relate to a kind of stud-bolt assembling device that studs is used that is used to install.
Background technology
Studs is widely used in the machinery assembling as a kind of coupling components.People mainly adopt first two nuts of tightening relatively on studs for the assembly method of studs, pulling nut by spanner then is assembled to studs on the workpiece, this mode is complex operation not only, work efficiency is low, and the screw thread that studs tightens the nut place also is subjected to the extruding of external force easily and issues distortion, influences the use of studs.People also have the special assembly tool of employing to assemble studs at present, current studs assembly tool mostly is and adopts external force to rotate a swivel nut, studs one end is screwed in swivel nut, end by studs be arranged on tightening parts that the swivel nut inter-sync rotates and contact the snap-in force that produces other holds and is fastened on the workpiece with studs, by reverse rotation swivel nut is screwed off then and finish fastening to studs, but when adopting this instrument to assemble studs, exist certain defective: because tightening parts and swivel nut rotate synchronously, assembly tool is being pulled down in the process, tightening parts that relied on during assembling and the snap-in force between the studs screw thread are not eliminated, be removed again when under the acting in conjunction of swivel nut and tightening parts, can cause the studs that just installed so often along with the swivel nut reverse rotation, do not reach purpose to the studs assembling, even the stuck phenomenon in instrument of studs might appear, strengthened difficulty to the studs assembling.
Summary of the invention
Technical problem to be solved by this invention has provided a kind of stud-bolt assembling device, it can be eliminated the studs that instrument occurs because of the snap-in force between double-screw bolt screw thread and the instrument when pulling down behind the assembling studs and be removed or stuck phenomenon in instrument, has made things convenient for the assembling to studs.
For solving the problems of the technologies described above, technical scheme of the present invention is: stud-bolt assembling device, comprise and corresponding swivel nut of studs and fastening jackscrew, described fastening jackscrew one end screw in the swivel nut and in addition end be provided with drive pin, described swivel nut is arranged with two edges tightly with the axially extended projection in the jackscrew outside, described projection lays respectively at the anglec of rotation of described drive pin both sides with the control drive pin, and described stud-bolt assembling device also comprises the force application apparatus that drives the drive pin rotation.
As a kind of improvement, described force application apparatus comprises that the described swivel nut outside is set with drive sleeve, is arranged with two on the drive sleeve barrel along the translot that circumferentially extends, and translot is inserted at described drive pin two ends respectively.
As further improvement, the outer surface of described drive sleeve is provided with the endless belt of band reticulate pattern projection.
As further improvement, described fastening jackscrew is positioned at the surperficial spherical in shape of swivel nut inner end.
As further improvement, the end that described fastening jackscrew is positioned at swivel nut is less than or equal to the pitch of 5 studs apart from the swivel nut end face distance.
The stud-bolt assembling device of technique scheme, owing to be to have adopted to comprise and corresponding swivel nut of studs and fastening jackscrew, fastening jackscrew one end screw in the swivel nut and in addition end be provided with drive pin, on swivel nut, be arranged with two along the axially extended projection in the fastening jackscrew outside, projection lays respectively at the anglec of rotation of drive pin both sides with the control drive pin, and stud-bolt assembling device also comprises the force application apparatus that drives the drive pin rotation, like this when the assembling studs, by drive pin drive fastening jackscrew earlier after rotation one angle with swivel nut upper protruding block one end in contact and drive swivel nut and rotate, studs one end is screwed in the swivel nut, in stud end portions with after fastening jackscrew contacts, driving the studs rotation is assembled to it on workpiece, and by fastening jackscrew, the snap-in force that produces between swivel nut and the studs reaches the assembling moment of torsion of studs, and pulling down this assembler, drive pin then reverses, making it drive the first counter-rotating of fastening jackscrew one angle separates with stud end portions, the swivel nut pine is enclosed within on the studs, drive pin and projection end in contact and drive the swivel nut counter-rotating in addition then, swivel nut is pulled down, this assembler is rationally decomposed the snap-in force between instrument and the studs at the assembling studs, apply one by one and eliminate one by one, overcome that studs is removed or stuck phenomenon in instrument, made things convenient for assembling studs.Force application apparatus adopts in the swivel nut outside and is set with drive sleeve, on the drive sleeve barrel, be arranged with two along the translot that circumferentially extends, and translot is inserted at the drive pin two ends respectively, and be provided with the endless belt of band reticulate pattern projection at the outer surface of drive sleeve, made things convenient for use, improved safety in utilization this assembler.Fastening jackscrew is positioned at the surperficial spherical in shape of swivel nut inner end, improved the condition of studs and fastening jackscrew contact-making surface, and fastening jackscrew is positioned at the end of swivel nut is less than or equal to 5 studs apart from the swivel nut end face distance pitch, can reduce the frictional force between swivel nut and the studs, make things convenient for swivel nut pulling down from the studs.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
Fig. 1 is the axial cutaway view of stud-bolt assembling device of the present invention;
Fig. 2 is the radial cross-section of stud-bolt assembling device of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, stud-bolt assembling device, this stud-bolt assembling device can be assembled to studs on the workpiece easily, comprise and studs 5 corresponding swivel nut 2 and fastening jackscrews 3, fastening jackscrew 3 one ends screw in the swivel nut 2, and its other end is provided with drive pin 4, drive pin 4 can adopt and fastening jackscrew 3 one, also can adopt the mode of interting on fastening jackscrew 3, on swivel nut 2, be arranged with two along the axially extended projection 21 in fastening jackscrew 3 outsides, and two projections 21 lay respectively at drive pin 4 both sides, with the spacing that makes progress by week between the projection 21, make drive pin 4 rotate to an angle back and an end in contact of two projections 21, with the anglec of rotation of control drive pin 4, stud-bolt assembling device also comprises the force application apparatus that drives drive pin 4 rotations, force application apparatus can adopt in swivel nut 2 outsides and be set with drive sleeve 1, drive sleeve 1 can adopt the mode of the box spanner that current people use always, and drive sleeve 1 one ends are sleeved on the swivel nut 2, and end can the plug-in mounting driving handle in addition.Be arranged with two on drive sleeve 1 barrel along the translot 11 that circumferentially extends, as shown in Figure 2, drive pin 4 two ends can be extended respectively in the insertion translot 11.Consider the working environment of operator when normal running and oil is often arranged on hand, be provided with the endless belt 12 of band reticulate pattern projection at the outer surface of drive sleeve 1, with handled easily person's use.And tightly the surface that is positioned at swivel nut 2 inner ends with jackscrew 3 can adopt spherical in shape, to improve the contact conditions of studs and fastening jackscrew 3 contact-making surfaces, effectively assurance interaction between the two again when having reduced frictional force between the two.When making fastening jackscrew 3 leave studs 5 end faces, owing to removed the snap-in force between studs screw thread and the assembler earlier, make the frictional force between its only surplus swivel nut 2 and the double-screw bolt screw thread, consider from this point, the sphere of fastening jackscrew 3 should be less than or equal to the pitch of 5 studs to swivel nut 2 end face distances, to reduce the frictional force between swivel nut 2 and the studs 5, make things convenient for swivel nut 2 to pull down from studs 5.
When using this stud-bolt assembling device to be assembled to studs on the workpiece, with the right-handed thread studs is example, as shown in Figure 1, pinch bar inserted in the drive sleeve 1 turn clockwise, the drive sleeve 1 that drives assembler turns clockwise, a side of translot 11 contacts and drives drive pin 4 rotations with drive pin 4 on the drive sleeve 1, after driving fastening jackscrew 3 simultaneously and clockwise rotating an angle, one end in contact of the projection 21 on drive pin 4 and the swivel nut 2 also drives swivel nuts 2 by projection 21 and clockwise rotates, it is screwed on the rear end of studs 5, and then studs 5 is screwed on the workpiece, continuing to drive swivel nut 2 rotates, by fastening jackscrew 3, snap-in force between swivel nut 2 screw threads and studs 5 screw threads meets the requirements of the assembling moment of torsion, and studs 5 is assembled on the workpiece.When the assembler pine is backed off, be rotated counterclockwise by pinch bar, the drive sleeve 1 that drives assembler is rotated counterclockwise, the opposite side of translot 11 contacts and drives drive pin 4 with drive pin 4 and rotates counterclockwise on the drive sleeve 1, drive fastening jackscrew 3 simultaneously and rotate counterclockwise an angle, this just separates the end face of fastening jackscrew 3 and studs 5 end faces earlier, promptly removed the snap-in force between studs screw thread and the assembler earlier, frictional force between only surplus swivel nut 2 and the studs screw thread, this moment, swivel nut 2 picture pines were enclosed within the nut on the studs 5, the other end of the projection 21 on drive pin 4 and the swivel nut 2 contacts and drives swivel nuts 2 by projection 21 and rotates counterclockwise then, thereby assembler is pulled down from studs 5 like a cork, finished an assembling circulation.When assembling left hand thread studs, step is identical, just adopts to rotate counterclockwise assembler earlier studs is assembled on the workpiece, clockwise rotates assembler then assembler is pulled down.
This assembler adopts the mode that the snap-in force between assembler and the studs is rationally decomposed at the assembling studs, by applying and eliminate one by one the snap-in force between assembler and the studs one by one, overcome when pulling down assembler studs and pulled down simultaneously or stuck phenomenon in assembler, made things convenient for assembling studs.
Claims (5)
1. stud-bolt assembling device, comprise and corresponding swivel nut of studs (2) and fastening jackscrew (3), it is characterized in that: described fastening jackscrew (3) one ends screw in the swivel nuts (2) and in addition end be provided with drive pin (4), described swivel nut (2) is arranged with two along fastening jackscrew (3) outside axially extended projection (21), described projection (21) lays respectively at the anglec of rotation of described drive pin (4) both sides with control drive pin (4), and described stud-bolt assembling device also comprises the force application apparatus that drives drive pin (4) rotation.
2. stud-bolt assembling device as claimed in claim 1, it is characterized in that: described force application apparatus comprises that described swivel nut (2) outside is set with drive sleeve (1), be arranged with two on drive sleeve (1) barrel along the translot (11) that circumferentially extends, translot (11) is inserted at described drive pin (4) two ends respectively.
3. stud-bolt assembling device as claimed in claim 2 is characterized in that: the outer surface of described drive sleeve (1) is provided with the endless belt (12) of band reticulate pattern projection.
4. stud-bolt assembling device as claimed in claim 1 is characterized in that: described fastening jackscrew (3) is positioned at the surperficial spherical in shape of swivel nut (2) inner end.
5. as each described stud-bolt assembling device in the claim 1 to 4, it is characterized in that: the end that described fastening jackscrew (3) is positioned at swivel nut (2) is less than or equal to the pitch of 5 studs apart from swivel nut (2) end face distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100134970A CN101244549B (en) | 2007-02-12 | 2007-02-12 | Stud-bolt assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100134970A CN101244549B (en) | 2007-02-12 | 2007-02-12 | Stud-bolt assembling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101244549A true CN101244549A (en) | 2008-08-20 |
| CN101244549B CN101244549B (en) | 2011-02-02 |
Family
ID=39945339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100134970A Expired - Fee Related CN101244549B (en) | 2007-02-12 | 2007-02-12 | Stud-bolt assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101244549B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407506A (en) * | 2011-11-30 | 2012-04-11 | 淄博永华滤清器制造有限公司 | Double-pendulum and double-ended stud fastener |
| CN102107354B (en) * | 2009-12-24 | 2012-11-21 | 北京航天斯达新技术装备公司 | Quick dispatch tightening head for tightening workpieces with threads at two ends thereof |
| CN106695308A (en) * | 2015-08-25 | 2017-05-24 | 常州兰翔机械有限责任公司 | Assembly fixture for double-end stud, and working method thereof |
| CN108188980A (en) * | 2018-02-24 | 2018-06-22 | 安徽江淮汽车集团股份有限公司 | A kind of double end stud screwing device |
| CN116833729A (en) * | 2023-08-07 | 2023-10-03 | 江阴市恒润环锻有限公司 | Device and method for quickly screwing fixed-length stud for wind power variable pitch bearing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286160A (en) * | 1999-08-26 | 2001-03-07 | 吴江南 | Stud remover |
| US6840726B2 (en) * | 2002-12-16 | 2005-01-11 | Siemens Westinghouse Power Corporation | Tensioning apparatus and method |
| CN201009221Y (en) * | 2007-02-12 | 2008-01-23 | 潍柴动力股份有限公司 | Stud assembling device |
-
2007
- 2007-02-12 CN CN2007100134970A patent/CN101244549B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107354B (en) * | 2009-12-24 | 2012-11-21 | 北京航天斯达新技术装备公司 | Quick dispatch tightening head for tightening workpieces with threads at two ends thereof |
| CN102407506A (en) * | 2011-11-30 | 2012-04-11 | 淄博永华滤清器制造有限公司 | Double-pendulum and double-ended stud fastener |
| CN102407506B (en) * | 2011-11-30 | 2014-12-03 | 淄博永华滤清器制造有限公司 | Double-pendulum and double-ended stud fastener |
| CN106695308A (en) * | 2015-08-25 | 2017-05-24 | 常州兰翔机械有限责任公司 | Assembly fixture for double-end stud, and working method thereof |
| CN106695308B (en) * | 2015-08-25 | 2019-01-22 | 中国航发常州兰翔机械有限责任公司 | A kind of studs assembling jig and its working method |
| CN108188980A (en) * | 2018-02-24 | 2018-06-22 | 安徽江淮汽车集团股份有限公司 | A kind of double end stud screwing device |
| CN116833729A (en) * | 2023-08-07 | 2023-10-03 | 江阴市恒润环锻有限公司 | Device and method for quickly screwing fixed-length stud for wind power variable pitch bearing |
| CN116833729B (en) * | 2023-08-07 | 2023-11-28 | 江阴市恒润环锻有限公司 | Device and method for quickly screwing fixed-length stud for wind power variable pitch bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101244549B (en) | 2011-02-02 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tong Dehui Inventor after: Sun Shaojun Inventor after: Wang Weiqi Inventor before: Wang Weiqi |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG WEIQI TO: TONG DEHUI SUN SHAOJUN WANG WEIQI |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Weifang Weichai Deutz Diesel Engine Co., Ltd. Assignor: Weichai Dynamic Co., Ltd. Contract record no.: 2011990001066 Denomination of invention: Stud-bolt assembling device Granted publication date: 20110202 License type: Exclusive License Open date: 20080820 Record date: 20111129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20150212 |
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| EXPY | Termination of patent right or utility model |