CN104827429A - Torsion specifying device of pneumatic wrench used for electric power industry - Google Patents
Torsion specifying device of pneumatic wrench used for electric power industry Download PDFInfo
- Publication number
- CN104827429A CN104827429A CN201510190420.5A CN201510190420A CN104827429A CN 104827429 A CN104827429 A CN 104827429A CN 201510190420 A CN201510190420 A CN 201510190420A CN 104827429 A CN104827429 A CN 104827429A
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- spring sheet
- torsion
- cylinder body
- shaft
- 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
Links
- 241001247821 Ziziphus Species 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 13
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
- B25B23/1453—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers for impact wrenches or screwdrivers
Abstract
The invention relates to a torsion specifying device of a pneumatic wrench used for the electric power industry. The torsion specifying device comprises a cylinder body of which one end is sealed and one end is open and the shape is cylindrical, a center shaft, a supporting body which is installed at the open end of the cylinder body via a set screw, internal spring sheets which are installed at the position, which is close to the sealed end, in the cylinder body, and external spring sheets which are installed at the position, which is close to the supporting body, in the cylinder body. When a bolt is screwed, the size and the number of the spring sheets in a torsion ring are adjusted according to the specified torque so as to be set to the required torque, and thus adjustment is convenient and easy. When torque of the screwed screw and nut reaches the required torque, the cylinder body is affected by equal restoring torque, and the spring sheets enter the phase of elastic deformation. The spring sheets slip out of the ratchet slot in the cylinder body due to elastic deformation, and the spring sheets rotate relative to the cylinder body so that the cylinder body stops selecting and the screwed screw and nut are enabled not to be stressed.
Description
Technical field
The divisional application that the present invention is the applying date is " on 04 11st, 2012 ", application number is " 2012101037057 ", name is called the patent of invention of " a kind of for pneumatic impact spanner determine torque force device ".
Background technology
Pneumatic impact spanner is the efficient mechanical instrument of dismounting screw nut, and it has purposes widely in power industry.In machinery manufacturing industry, on general assembly line, except each part, maximum be exactly screw bolt and nut.The quality of a product quality to a great extent, does not lie in the quality of each part, and is the quality of assembling.
Current domestic application more widely pneumatic impact spanner is divided into and is generally divided into two classes, and a class is impact wrench routinely, and a class is pulse pneumatic spanner, and both differences are, the former can not determine moment of torsion, and the latter can but equipment price is expensive.
The assembly shop pneumatic impact spanner that often service efficiency is high of integrated mill carries out the work of stubborn bolt, but moment needed for the bolt of different size, different parts is different, qualified in order to ensure the moment tighted a bolt, after pneumatic impact spanner is tightened, also need special messenger with the tight bolt of common wrench.Often final workman puts forth one's strength excessive, is greater than required screw-down torque.So not only waste manpower, can't ensure the uniformity of moment, the bolt that relative screw-down torque is little just easily loosens, and there is potential safety hazard.
Summary of the invention
The present invention, in order to overcome the deficiency of above technology, provides and a kind ofly determines torque force device for pneumatic impact spanner.Can according to the specification of the screw nut that will tighten and tighten this working torque forces determining torque force device for pneumatic impact spanner of the convenient adjustment of moment that position requires.
The present invention overcomes the technical scheme that its technical problem adopts: a kind of pneumatic impact spanner for power industry determine torque force device, comprise the cylindrical shell in cylinder barrel shaped that one end open is closed in an one end, central shaft, the supporter of cartridge openings end is installed on by holding screw, be installed on the inner spring sheet near blind end in cylindrical shell, be installed on the outer spring sheet near supporter in cylindrical shell, described cylindrical shell blind end arranged outside has the square shaft identical with wrench socket square hole size, the inner hole wall of cylindrical shell is along the circumferential direction provided with several sour jujube grooves, central shaft is made up of the square hole shaft be connected with pneumtic impact wrench and splined shaft, splined shaft is installed in cylindrical shell and one end rotatably supports the other end by supporter is rotationally connected with in cylindrical shell blind end axis hole, inner spring sheet and outer spring sheet are the rectangular patch body with chamfered end, chamfered end is arranged in cylinder bore sour jujube groove, the other end is installed on splined shaft keyway, the moment of torsion of inner spring sheet is greater than the moment of torsion of outer spring sheet, one plane of square shaft has been disposed radially a tapered blind hole, is provided with jump ring and card bead in tapered blind hole, and the diameter axis of small circle that the axis of great circle of tapered blind hole is greater than card bead is less than the diameter of card bead.
The invention has the beneficial effects as follows: of the present invention for pneumatic impact spanner to determine torque force device structure simple, with low cost, can be arranged on common pneumatic impact spanner and use, make common pneumatic impact spanner have the function of determining torsion, possessed the effect of equivalent pulses pneumatic impact spanner.Undertaken transforming and greatly having saved cost by increasing this torque force device of determining being used for pneumatic impact spanner on original pneumatic impact spanner.When upper bolt, according to the moment of regulation, by adjusting the size and number of inner spring sheet and outer spring sheet, it is made to be set to required moment, simply easy to adjust.When the moment of tightened screw-nut reaches the moment of needs then, cylindrical shell is subject to the equal moment of reaction, now spring leaf enters elastic deformation stage, due to elastically-deformable reason, spring leaf can skid off from the sour jujube groove cylindrical shell, spring leaf is relative to barrel body rotation, thus cylindrical shell stops selecting to make tightened screw-nut no longer stressed.Because the spring leaf of now elastic deformation is sending the sound moment of operator's now tighted a bolt nut can be reminded just to reach the moment of regulation relative to the sour jujube slot part that can beat cylindrical shell during barrel body rotation, should shut-down operation.
Accompanying drawing explanation
Fig. 1 is device connection diagram of the present invention;
Fig. 2 of the present inventionly determines torque force device schematic diagram for pneumatic impact spanner;
Fig. 3 is the generalized section of determining torque force device centrally axis for pneumatic impact spanner of the present invention;
Fig. 4 is that the A-A determining torque force device for pneumatic impact spanner of the present invention is to generalized section;
Fig. 5 is that the B-B determining torque force device for pneumatic impact spanner of the present invention is to generalized section;
Fig. 6 is inner spring chip architecture schematic diagram of the present invention;
Fig. 7 is adjustment reed structure schematic diagram of the present invention;
Fig. 8 is outer spring chip architecture schematic diagram of the present invention;
In figure, 1. pneumtic impact wrench 2. is determined torque force device 2.1 central shaft 2.2 holding screw 2.3 supporter 2.4 cylindrical shell 2.5 jump ring 2.6 card bead 2.7 inner spring sheet 2.8 and is adjusted spring leaf 2.9 outer spring sheet 2.10 square shaft 2.11 tapered blind hole 3. wrench socket.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, the present invention will be further described for accompanying drawing 8.
Device connection diagram of the present invention as shown in Figure 1, this torque force device 2 of determining being used for pneumatic impact spanner is installed to common pneumtic impact wrench 1, and sleeve 3 is arranged on torsion ring 2.Common pneumtic impact wrench so just can be made to possess the effect determining torsion.
As Fig. 2, Fig. 3, Fig. 4, the torque force device 2 of determining that shown in Fig. 5, this is used for pneumatic impact spanner comprises the cylindrical shell 2.4 in cylinder barrel shaped that one end open is closed in an one end, central shaft 2.1, the supporter 2.3 of cylindrical shell 2.4 openend is installed on by holding screw, be installed on the inner spring sheet 2.7 near blind end in cylindrical shell 2.4, be installed on the outer spring sheet 2.9 near supporter 2.3 in cylindrical shell 2.4, described cylindrical shell 2.4 blind end arranged outside has the square shaft 2.10 identical with wrench socket 3 square hole size, the inner hole wall of cylindrical shell 2.4 is along the circumferential direction provided with several sour jujube grooves, central shaft 2.1 is made up of the square hole shaft be connected with pneumtic impact wrench 1 and splined shaft, splined shaft is installed in cylindrical shell 2.4 and one end and is rotationally connected with in cylindrical shell 2.4 blind end axis hole by the rotatable other end that supports of supporter 2.3.
Fig. 6, Fig. 8 are respectively the schematic diagram of inner spring sheet 2.7 and outer spring sheet 2.9, and inner spring sheet 2.7 and outer spring sheet 2.9 are the rectangular patch body with chamfered end, and chamfered end is arranged in cylindrical shell 2.4 endoporus sour jujube groove, and the other end is installed on splined shaft keyway.Select the quantity of outer spring sheet 2.9 and inner spring sheet 2.7 during use according to the size of required torsion, make it be set to the moment of standard.Length due to inner spring sheet 2.7 is greater than the length of outer spring sheet 2.9, so inner spring sheet 2.7 is for providing the spring leaf compared with high pulling torque, outer spring sheet 2.9 is for providing the spring leaf of less moment of torsion.So specification and the quantity of cluster spring sheet can be facilitated by moment of torsion as required.When starting working, pneumtic impact wrench 1 is with central shaft 2.1 to rotate, because spring leaf to be installed on central shaft 2.1 and spring leaf chamfered end is arranged in cylindrical shell 2.4 endoporus sour jujube groove, so central shaft 2.1 rotation can drive torsion ring 2 to rotate, torsion ring 2 drives wrench socket 3 to rotate, and wrench socket 3 rotates with bolt or nut.
When the screw-down torque of bolt and nut reaches the moment of regulation then, wrench socket 3 is subject to equal countertorque, the now stressed critical value reaching its elastic deformation in spring leaf place, due to elastically-deformable reason, spring leaf can disconnect from sour jujube groove, thus central shaft 2.1 drives spring leaf can rotate relative to cylindrical shell 2.4, in rotary course, spring leaf to disconnect from sour jujube groove due to continuous thus realize beating the sound of rattling away of cylindrical shell 2.4.Operator hears sound, just quits work immediately.Now the moment of bolt just reaches the moment of regulation.
Be provided with the T-shaped adjustment spring leaf 2.8 with chamfered end between above-mentioned inner spring sheet 2.7 and outer spring sheet 2.9, adjustment spring leaf 2.8 one end is installed on splined shaft keyway, and the other end is arranged in cylindrical shell 2.4 endoporus sour jujube groove.Because the T-shaped partial width be installed on splined shaft keyway of adjustment spring leaf 2.8 is wide, and the width being arranged in cylindrical shell 2.4 endoporus sour jujube groove is narrow.So adjustment spring leaf 2.8 is also for providing the spring leaf of less moment of torsion.So of the present inventionly determine torque force device 2 when only needing the situation of low-force square for pneumatic impact spanner at this, only less inner spring sheet 2.7 need be installed in cylindrical shell, so in order to prevent the phenomenon of toppling over when inner spring sheet 2.7 is very few, so introduce adjustment spring leaf 2.8 mainly play the effect of filling interval location.
One plane of above-mentioned square shaft 2.10 has been disposed radially a tapered blind hole, is provided with jump ring 2.5 and card bead 2.6 in tapered blind hole.And the diameter axis of small circle that the axis of great circle of tapered blind hole is greater than card bead 2.6 is less than the diameter of card bead 2.6, so card bead 2.6 only exposes a segment relative to square shaft under the effect of jump ring 2.5.When assembly wrench sleeve 3, card bead 2.6 can be depressed the square hole that jump ring 2.5 realizes wrench socket 3 and is installed on square shaft, installs rear card bead 2.6 and can eject the effect realizing blocking wrench socket 3 under the effect of jump ring 2.5.Make wrench socket 3 in use solid and reliable, difficult drop-off.
Claims (1)
1. the pneumatic impact spanner for power industry determine torque force device, it is characterized in that: comprise the cylindrical shell (2.4) in cylinder barrel shaped that one end open is closed in an one end, central shaft (2.1), the supporter (2.3) of cylindrical shell (2.4) openend is installed on by holding screw, be installed on the inner spring sheet (2.7) near blind end in cylindrical shell (2.4), be installed on the outer spring sheet (2.9) near supporter (2.3) in cylindrical shell (2.4), described cylindrical shell (2.4) blind end arranged outside has the square shaft (2.10) identical with wrench socket (3) square hole size, the inner hole wall of cylindrical shell (2.4) is along the circumferential direction provided with several sour jujube grooves, central shaft (2.1) is made up of the square hole shaft be connected with pneumtic impact wrench (1) and splined shaft, splined shaft is installed in cylindrical shell (2.4) and one end and is rotationally connected with in cylindrical shell (2.4) blind end axis hole by the rotatable other end that supports of supporter (2.3), inner spring sheet (2.7) and outer spring sheet (2.9) are the rectangular patch body with chamfered end, chamfered end is arranged in cylindrical shell (2.4) endoporus sour jujube groove, the other end is installed on splined shaft keyway, the moment of torsion of inner spring sheet is greater than the moment of torsion of outer spring sheet, one plane of square shaft has been disposed radially a tapered blind hole, is provided with jump ring and card bead in tapered blind hole, and the diameter axis of small circle that the axis of great circle of tapered blind hole is greater than card bead is less than the diameter of card bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190420.5A CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190420.5A CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
| CN201210103705.7A CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210103705.7A Division CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827429A true CN104827429A (en) | 2015-08-12 |
| CN104827429B CN104827429B (en) | 2016-08-17 |
Family
ID=47150897
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191350.5A Expired - Fee Related CN104827434B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190879.5A Expired - Fee Related CN104827432B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191870.6A Expired - Fee Related CN104827436B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190435.1A Expired - Fee Related CN104827430B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510195755.6A Expired - Fee Related CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190420.5A Expired - Fee Related CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
| CN201510191163.7A Expired - Fee Related CN104827433B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190451.0A Expired - Fee Related CN104827431B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510191611.3A Expired - Fee Related CN104827435B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201210103705.7A Expired - Fee Related CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191350.5A Expired - Fee Related CN104827434B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190879.5A Expired - Fee Related CN104827432B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191870.6A Expired - Fee Related CN104827436B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190435.1A Expired - Fee Related CN104827430B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510195755.6A Expired - Fee Related CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191163.7A Expired - Fee Related CN104827433B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190451.0A Expired - Fee Related CN104827431B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510191611.3A Expired - Fee Related CN104827435B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201210103705.7A Expired - Fee Related CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN104827434B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827437A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force-fixing device used for pneumatic wrench in electricity industry |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476175A (en) * | 2014-11-21 | 2015-04-01 | 重庆耀勇减震器有限公司 | Tightening mechanism of damper tightening-connecting device |
| CN107081707A (en) * | 2017-05-11 | 2017-08-22 | 山东帝伯教育科技有限公司 | A kind of torsion ring for being used to determine torsion |
| CN113319774B (en) * | 2021-07-07 | 2022-04-15 | 福建清流汽枪厂有限公司 | Pneumatic wrench for fishbone inner ring of gun |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3214889A1 (en) * | 1982-04-22 | 1983-10-27 | Robert Bosch Gmbh, 7000 Stuttgart | MEASURING VALVE FOR TORQUE AND / OR TURNING ANGLE MEASUREMENT, ESPECIALLY ON MOTOR DRIVEN SCREWDRIVERS |
| CN1062687A (en) * | 1990-12-18 | 1992-07-15 | 陈桂生 | Fixed moment of torque drivepipe |
| DE20116317U1 (en) * | 2001-10-05 | 2002-02-21 | Schwartz Werner | Screwdriver with torque indicator |
| CN2827645Y (en) * | 2005-06-23 | 2006-10-18 | 朱耀梁 | Industrial labour-saving wrench of preventing torsional springback |
| CN201907091U (en) * | 2010-12-31 | 2011-07-27 | 长城汽车股份有限公司 | Middle socket of constant-torque wrench |
| CN104827437A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force-fixing device used for pneumatic wrench in electricity industry |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710874A (en) * | 1971-03-10 | 1973-01-16 | Ingersoll Rand Co | Electronic torque measurement system |
| DE2520250A1 (en) * | 1975-05-07 | 1976-11-18 | Wagner Maschf Paul Heinz | Support for gearbox transmission spanner - has arm carrying holder which supports torque measuring sensor |
| DE2637954C3 (en) * | 1976-08-24 | 1979-07-26 | Georg Robel Gmbh & Co, 8000 Muenchen | Screwing machine for rail fastening screws |
| DE3023005C2 (en) * | 1980-06-20 | 1982-12-16 | Maschinenfabrik Wagner GmbH & Co KG, 5203 Much | Nut runner with torque limiting device |
| US4941362A (en) * | 1987-06-29 | 1990-07-17 | Sps Technologies, Inc. | Torque and angular displacement sensing in controlled wrenches |
| CN2035302U (en) * | 1988-07-25 | 1989-04-05 | 宋成正 | Wrench with torque measuring |
| CN2091211U (en) * | 1990-06-29 | 1991-12-25 | 韩津生 | Sleeve piece torque fixed spanner |
| JPH0460666U (en) * | 1990-10-02 | 1992-05-25 | ||
| CN2095744U (en) * | 1990-12-04 | 1992-02-12 | 济南交通高等专科学校 | Numerical controlling indirect fixing torque device for pneumatic wrench machine |
| JP2983107B2 (en) * | 1992-05-22 | 1999-11-29 | 瓜生製作株式会社 | Pulse wrench for stud |
| CN2183856Y (en) * | 1994-03-10 | 1994-11-30 | 邵琦 | Torque controlling fastening tool |
| CN2382513Y (en) * | 1999-06-23 | 2000-06-14 | 广兴铝业有限公司 | Radial impact air spanner |
| US6334377B1 (en) * | 2000-11-17 | 2002-01-01 | Izu Min Wu | Adjustable torque wrench having a lock device |
| CN2677092Y (en) * | 2004-02-01 | 2005-02-09 | 陆志国 | Special sleeve for automatic locking and delocking nut |
| US6948410B1 (en) * | 2004-03-04 | 2005-09-27 | Precision Instruments, Inc. | Torque wrench with sleeve for locking rotatable handle |
| TWM274205U (en) * | 2005-01-19 | 2005-09-01 | Nano Prec Corp | Torque adjusting module |
| TWM286094U (en) * | 2005-03-09 | 2006-01-21 | Chang-Juan Li | Tool sleeve with adjustable torque-settings |
| CN201020690Y (en) * | 2007-03-21 | 2008-02-13 | 力帆实业(集团)有限公司 | Torsion device |
| CN101306523A (en) * | 2007-05-18 | 2008-11-19 | 谢智庆 | Torque muff-joint device |
| CN101396811B (en) * | 2007-09-28 | 2012-04-25 | 苏州宝时得电动工具有限公司 | Power tool |
| CN201124360Y (en) * | 2007-12-24 | 2008-10-01 | 山东济宁液压元件研究所 | Pneumatic wrench for fastening high torch bolt |
| CN201184216Y (en) * | 2008-03-07 | 2009-01-21 | 郑雪梅 | Pneumatic motor and pneumatic wrench |
| CN101301739B (en) * | 2008-06-23 | 2011-09-21 | 宁波市鄞州云帆工程咨询有限公司 | Excessive force proof scroll driver |
| CN201455877U (en) * | 2009-06-30 | 2010-05-12 | 上海保隆汽车科技股份有限公司 | Fixed-torque screwdriver |
| US8166852B2 (en) * | 2009-09-23 | 2012-05-01 | Ming-Ta Cheng | Ratchet wrench |
| CN201565893U (en) * | 2009-11-24 | 2010-09-01 | 浙江瑞丰五福气动工具有限公司 | Pneumatic wrench |
| JP2011230225A (en) * | 2010-04-27 | 2011-11-17 | Hino Motors Ltd | Control device of fastening force of hydraulic torque wrench |
| TW201201969A (en) * | 2010-07-01 | 2012-01-16 | Shu-Wen Guo | Pneumatic tool containing fixed torsion mechanism |
| CN202147246U (en) * | 2011-06-27 | 2012-02-22 | 东莞乐域塑胶电子制品有限公司 | Force-limiting screwdriver |
| CN202556325U (en) * | 2012-04-11 | 2012-11-28 | 田丽欣 | Torque force fixing apparatus for pneumatic wrench |
-
2012
- 2012-04-11 CN CN201510191350.5A patent/CN104827434B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190879.5A patent/CN104827432B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191870.6A patent/CN104827436B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190435.1A patent/CN104827430B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510195755.6A patent/CN104827437B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190420.5A patent/CN104827429B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191163.7A patent/CN104827433B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190451.0A patent/CN104827431B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191611.3A patent/CN104827435B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201210103705.7A patent/CN102785208B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3214889A1 (en) * | 1982-04-22 | 1983-10-27 | Robert Bosch Gmbh, 7000 Stuttgart | MEASURING VALVE FOR TORQUE AND / OR TURNING ANGLE MEASUREMENT, ESPECIALLY ON MOTOR DRIVEN SCREWDRIVERS |
| CN1062687A (en) * | 1990-12-18 | 1992-07-15 | 陈桂生 | Fixed moment of torque drivepipe |
| DE20116317U1 (en) * | 2001-10-05 | 2002-02-21 | Schwartz Werner | Screwdriver with torque indicator |
| CN2827645Y (en) * | 2005-06-23 | 2006-10-18 | 朱耀梁 | Industrial labour-saving wrench of preventing torsional springback |
| CN201907091U (en) * | 2010-12-31 | 2011-07-27 | 长城汽车股份有限公司 | Middle socket of constant-torque wrench |
| CN104827437A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force-fixing device used for pneumatic wrench in electricity industry |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827437A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force-fixing device used for pneumatic wrench in electricity industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827433B (en) | 2016-08-31 |
| CN104827430B (en) | 2016-06-01 |
| CN104827429B (en) | 2016-08-17 |
| CN104827434B (en) | 2016-08-24 |
| CN102785208A (en) | 2012-11-21 |
| CN104827436B (en) | 2016-07-13 |
| CN104827433A (en) | 2015-08-12 |
| CN104827435B (en) | 2016-06-22 |
| CN104827430A (en) | 2015-08-12 |
| CN104827434A (en) | 2015-08-12 |
| CN104827432B (en) | 2016-10-12 |
| CN102785208B (en) | 2015-10-07 |
| CN104827431A (en) | 2015-08-12 |
| CN104827437A (en) | 2015-08-12 |
| CN104827437B (en) | 2016-08-31 |
| CN104827431B (en) | 2016-06-01 |
| CN104827435A (en) | 2015-08-12 |
| CN104827436A (en) | 2015-08-12 |
| CN104827432A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102785208B (en) | A kind ofly determine torque force device for pneumatic impact spanner | |
| US2256496A (en) | Power driven tool | |
| US20180311800A1 (en) | Rotary torque boosting device | |
| US3094022A (en) | Threaded stud extractor tool | |
| CN202556325U (en) | Torque force fixing apparatus for pneumatic wrench | |
| CN205968779U (en) | Spanner turns to device | |
| CN203853921U (en) | Quick-mounting-demounting tire wrench | |
| US2343332A (en) | Impact clutch | |
| CN107081707A (en) | A kind of torsion ring for being used to determine torsion | |
| CN209063015U (en) | Auxiliary device is used in a kind of installation of flange | |
| CN203343961U (en) | Sleeve spanner | |
| CN207087720U (en) | Spanner | |
| CN109571341A (en) | A kind of portable bolt disassembly device | |
| CN207915349U (en) | A kind of turning wrench | |
| CN110329013A (en) | A kind of vehicle tyre assembly and disassembly methods | |
| CN210589088U (en) | Locking tool of nut for machine tool spindle | |
| CN213673924U (en) | Pneumatic starter fluting nut's dismantlement frock | |
| CN214578247U (en) | Reusable retaining fastener for pharmaceutical equipment | |
| CN214081254U (en) | Disassembling tool | |
| CN110966299B (en) | Swing arm type agricultural machine transmission shaft device | |
| CN216607904U (en) | Wheel hub diskless locking system of tire changer | |
| CN208833800U (en) | A kind of portable electromechanical testing conversion axis mechanism | |
| CN204844077U (en) | Device for connecting be used for electric tool | |
| CN205889005U (en) | Power -driven impact wrench | |
| CN205255706U (en) | Combination formula intaglio roller that easily loads and unloads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yuan Yuhui Inventor after: Sun Pengcheng Inventor after: Yu Jie Inventor after: Wang Juntao Inventor after: Luan Xiaoning Inventor after: Wang Weifeng Inventor after: Sun Bing Inventor before: Hu Yan |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160726 Address after: 264100 No. 699 industrial and Commercial Street, Muping District, Shandong, Yantai Applicant after: Yantai Muping Power Supply Company of State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: Yueqing City, Zhejiang province 325600 bovine cave village in Wenzhou City Applicant before: Hu Yan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |