CN104827437B - A kind of pneumatic impact spanner for power industry determine torque force device - Google Patents
A kind of pneumatic impact spanner for power industry determine torque force device Download PDFInfo
- Publication number
- CN104827437B CN104827437B CN201510195755.6A CN201510195755A CN104827437B CN 104827437 B CN104827437 B CN 104827437B CN 201510195755 A CN201510195755 A CN 201510195755A CN 104827437 B CN104827437 B CN 104827437B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- moment
- spring sheet
- shaft
- spring leaf
- 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.)
- Expired - Fee Related
Links
- 239000011324 bead Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to a kind of pneumatic impact spanner for power industry determines torque force device, including one end close the cylinder in cylinder barrel shaped of one end open, central shaft, be installed on by holding screw cartridge openings end supporter, be installed in cylinder near the inner spring sheet of blind end and in being installed on cylinder near the outer spring sheet structure of supporter.Upper bolt when, according to the moment of regulation, by adjusting the size and number of spring leaf in torsion ring so that it is be set to required moment, easy to adjust simply.When the moment of the screw-nut tightened reaches the moment of needs then, cylinder is by the equal moment of reaction, now spring leaf enters elastic deformation stage, due to elastically-deformable reason, spring leaf can skid off from the spine groove cylinder, spring leaf is relative to barrel body rotation, thus cylinder stops selecting to make tightened screw-nut no longer stress.
Description
Technical field
The present invention be filing date " on 04 11st, 2012 ", Application No. " 2012101037057 ", entitled " one
Determine torque force device kind for pneumatic impact spanner " the divisional application of patent of invention.
Background technology
Pneumatic impact spanner is the efficient mechanical instrument of dismounting screw nut, and it has purposes widely in power industry.At machine
Tool manufacturing industry, on general assembly line, in addition to each part, most be exactly screw bolt and nut.A product to a great extent
The quality of quality, does not lies in the quality of each part, and is the quality of assembling.
At present domestic application compares pneumatic impact spanner widely and is divided into and is generally divided into two classes, and a class is impact wrench routinely,
One 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 pneumatic impact spanner that the assembly shop of integrated mill often service efficiency is high carries out twisting the work of bolt, but difference is advised
Lattice, different parts bolt needed for moment different, in order to ensure that the moment tighted a bolt is qualified, also need after pneumatic impact spanner is tightened
Special messenger is with the tight bolt of common wrench.Often final workman puts forth one's strength excessive, more than required screw-down torque.The most not only waste
Manpower, can't ensure that the concordance of moment, the bolt that relative screw-down torque is little are easy for loosening, there is potential safety hazard.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of determine torque force device for pneumatic impact spanner.Can root
The moment that requires according to the specification of screw nut to be tightened and tightened position is convenient to be adjusted this and determines torsion for pneumatic impact spanner
The working torque forces of device.
The present invention overcomes what its technical problem be the technical scheme is that a kind of pneumatic impact spanner for power industry to determine torsion
Power apparatus, closes the cylinder in cylinder barrel shaped of one end open, central shaft including an one end, is installed on cylinder by holding screw
The supporter of body opening, it is installed in cylinder the inner spring sheet near blind end, is installed in cylinder the outer bullet near supporter
Reed, is provided with the square shaft identical with wrench socket square hole size outside described cylinder blind end, the inner hole wall of cylinder circumferentially side
To being provided with several spine grooves, central shaft is made up of square hole shaft and the splined shaft being connected with pneumtic impact wrench, and splined shaft is installed on cylinder
Interior and one end is rotatably supported the other end by supporter and is rotationally connected with in cylinder blind end axis hole, inner spring sheet and outer spring sheet
Being the rectangular patch body with chamfered end, chamfered end is positioned in cylinder bore spine groove, and the other end is installed on splined shaft keyway；
The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；One plane of square shaft has been disposed radially a tapered blind hole, in tapered blind hole
Jump ring and card bead are installed；And the axis of great circle of tapered blind hole is more than the diameter of card bead, axis of small circle is less than the diameter of card bead, card
Pearl only exposes a segment under the effect of jump ring relative to square shaft；When assembly wrench sleeve, card bead can be depressed jump ring and realize spanner
The square hole of sleeve is installed on square shaft, installs rear card bead and can eject realization under the effect of jump ring and block wrench socket.
The invention has the beneficial effects as follows: the present invention determines torque force device simple in construction for pneumatic impact spanner, with low cost,
May be mounted at and use on common pneumatic impact spanner, make common pneumatic impact spanner have the function determining torsion, possessed equivalent pulses
The effect of pneumatic impact spanner.Carry out transforming and significantly for the torque force device of determining of pneumatic impact spanner by increasing this on original pneumatic impact spanner
Save cost.Upper bolt when, according to the moment of regulation, by adjusting inner spring sheet and the size sum of outer spring sheet
Amount so that it is be set to required moment, easy to adjust simply.When the moment of the screw-nut tightened reaches the moment of needs
Then, cylinder is by the equal moment of reaction, and now spring leaf enters elastic deformation stage, due to elastically-deformable former
Cause, spring leaf can skid off from the spine groove cylinder, and spring leaf is relative to barrel body rotation, thus cylinder stops selection and makes to be tightened
Screw-nut no longer stress.Owing to the spring leaf of now elastic deformation can beat the spine groove portion of cylinder when relative to barrel body rotation
Dividing and sending the sound to remind the moment of the tighted a bolt nut of operator just to reach the moment of regulation, it should stop behaviour
Make.
Accompanying drawing explanation
Fig. 1 is assembly of the invention connection diagram；
Fig. 2 be the present invention determine torque force device schematic diagram for pneumatic impact spanner；
Fig. 3 be the present invention determine the torque force device generalized section along central axis for pneumatic impact spanner；
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 the inner spring chip architecture schematic diagram of the present invention；
Fig. 7 is the adjustment chip architecture of the spring schematic diagram of the present invention；
Fig. 8 is the outer spring chip architecture schematic diagram of the present invention；
In figure, 1. torque force device 2.1 central shaft 2.2 holding screw 2.3 supporter 2.4 cylinder 2.5 jump ring 2.6 card bead determined by pneumtic impact wrench 2.
2.7 inner spring sheets 2.8 adjust 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 the accompanying drawings 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, accompanying drawing 8 are to this
Bright it is described further.
Assembly of the invention connection diagram as shown in Figure 1, this is installed to commonly for the torque force device 2 of determining of pneumatic impact spanner
Pneumtic impact wrench 1 on, sleeve 3 is arranged on torsion ring.Common pneumtic impact wrench thus can be made to possess the effect determining torsion.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, for the torque force device 2 of determining of pneumatic impact spanner, this includes that an one end closes one
The cylinder 2.4 in cylinder barrel shaped of end opening, central shaft 2.1, it is installed on the supporter of cylinder 2.4 opening by holding screw
2.3, it is installed in cylinder 2.4 the inner spring sheet 2.7 near blind end, is installed in cylinder 2.4 the outer bullet near supporter 2.3
Reed 2.9, is provided with the square shaft 2.10 identical with wrench socket 3 square hole size, cylinder 2.4 outside described cylinder 2.4 blind end
Inner hole wall peripherally disposed have several spine grooves, central shaft 2.1 is by the square hole shaft being connected with pneumtic impact wrench 1 and splined shaft
Constitute, in splined shaft is installed on cylinder 2.4 and one end is rotatably supported the other end and is rotationally connected with cylinder 2.4 by supporter 2.3
In blind end axis hole.
Fig. 6, Fig. 8 are respectively inner spring sheet 2.7 and the schematic diagram of outer spring sheet 2.9, inner spring sheet 2.7 and outer spring sheet
2.9 are the rectangular patch body with chamfered end, and chamfered end is positioned in cylinder 2.4 endoporus spine groove, and the other end is installed on splined shaft
On keyway.During use, the size according to required torsion selects outer spring sheet 2.9 and the quantity of inner spring sheet 2.7 so that it is be set to
The moment of standard.Length due to inner spring sheet 2.7 is more than the length of outer spring sheet 2.9, so inner spring sheet 2.7 is permissible
Thering is provided the spring leaf of high torque, outer spring sheet 2.9 is for providing the spring leaf of less moment of torsion.So can moment of torsion side as required
Just the specification of cluster spring sheet and quantity.When starting working, pneumtic impact wrench 1 drives central shaft 2.1 to rotate, owing to spring leaf is installed
On central shaft 2.1 and spring leaf chamfered end is positioned in cylinder 2.4 endoporus spine groove, so central shaft 2.1 rotation can drive torsion
Ring rotates, and torsion ring drives wrench socket 3 to rotate, and wrench socket 3 rotates with bolt or nut.
When the screw-down torque of bolt and nut reach regulation moment then, wrench socket 3 by equal countertorque, this
Time spring leaf at stress reach the marginal value of its elastic deformation, due to elastically-deformable reason, spring leaf can disconnect from spine groove,
Thus central shaft 2.1 drives spring leaf can rotate relative to cylinder 2.4, in rotary course, spring leaf is due to continuously from spine groove
Disconnect thus realize beating the sound of rattling away of cylinder 2.4.Operator hears sound, quits work the most immediately.The now moment of bolt
Just reach the moment of regulation.
The T-shaped adjustment spring leaf with chamfered end it is provided with between above-mentioned inner spring sheet 2.7 and outer spring sheet 2.9
2.8, adjust spring leaf 2.8 one end and be installed on splined shaft keyway, the other end is positioned in cylinder 2.4 endoporus spine groove.Owing to adjusting
The T-shaped partial width width being installed on splined shaft keyway of spring leaf 2.8, and it is positioned at the width in cylinder 2.4 endoporus spine groove
Narrow.So adjusting spring leaf 2.8 also for providing the spring leaf of less moment of torsion.So at the determining for pneumatic impact spanner of this present invention
Torque force device 2, when only needing the situation of low-force square, only need to install less inner spring sheet 2.7 in cylinder, so in order to prevent
The phenomenon toppled over when inner spring sheet 2.7 is very few, so introducing adjustment spring leaf 2.8 to primarily serve filling interval location
Effect.
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 in tapered blind hole
Pearl 2.6.And the axis of great circle of tapered blind hole is less than the diameter of card bead 2.6 more than the diameter axis of small circle of card bead 2.6, so card bead
2.6 only expose a segment under the effect of jump ring 2.5 relative to square shaft.When assembly wrench sleeve 3, card bead 2.6 can depress card
Spring 2.5 realizes the square hole of wrench socket 3 and is installed on square shaft, and installing rear card bead 2.6 can eject under the effect of jump ring 2.5
Realize blocking the effect of wrench socket 3.Make wrench socket 3 the most solid and reliable, difficult drop-off.
Claims (1)
1. the pneumatic impact spanner for power industry determine torque force device, it is characterised in that: include that one end open is closed in one end
The cylinder (2.4) in cylinder barrel shaped, central shaft (2.1), be installed on the support of cylinder (2.4) opening by holding screw
Body (2.3), be installed in cylinder (2.4) the inner spring sheet (2.7) near blind end, be installed in cylinder (2.4) near
The outer spring sheet (2.9) of support body (2.3), is provided with outside described cylinder (2.4) blind end and wrench socket (3) square hole chi
Very little identical square shaft (2.10), the inner hole wall of cylinder (2.4) is peripherally disposed several spine grooves, central shaft (2.1)
Being made up of square hole shaft and the splined shaft being connected with pneumtic impact wrench (1), splined shaft is installed in cylinder (2.4) and one end is by supporting
Body (2.3) rotatably supports the other end and is rotationally connected with in cylinder (2.4) blind end axis hole, inner spring sheet (2.7) and outward
Spring leaf (2.9) is the rectangular patch body with chamfered end, and chamfered end is positioned in cylinder (2.4) endoporus spine groove, the other end
It is installed on splined shaft keyway；The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；One plane of square shaft has been disposed radially one
Tapered blind hole, is provided with jump ring and card bead in tapered blind hole；And the axis of great circle of tapered blind hole is more than the diameter of card bead, roundlet is straight
Footpath is less than the diameter of card bead, and card bead only exposes a segment under the effect of jump ring relative to square shaft；At assembly wrench sleeve
(3) time, card bead can be depressed jump ring and realizes the square hole of wrench socket and be installed on square shaft, and installing rear card bead can be in the effect of jump ring
Under eject realization and block wrench socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195755.6A CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210103705.7A CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
| CN201510195755.6A CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
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 |
|---|---|
| CN104827437A CN104827437A (en) | 2015-08-12 |
| CN104827437B true CN104827437B (en) | 2016-08-31 |
Family
ID=47150897
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN201510190420.5A Expired - Fee Related CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN201510190420.5A Expired - Fee Related CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN104827436B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827436B (en) * | 2012-04-11 | 2016-07-13 | 国网山东省电力公司五莲县供电公司 | A kind of pneumatic impact spanner for power industry determine torque force device |
| 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 |
| CN112338849B (en) * | 2020-11-03 | 2024-08-06 | 杭州倍力耐工具有限公司 | Use convenient preset formula moment of torsion spanner |
| 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 |
|---|---|---|---|---|
| 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 |
| DE2637954A1 (en) * | 1976-08-24 | 1978-03-02 | Robel Georg Gmbh & Co | SCREWDRIVER WITH TORQUE MEASURING DEVICE |
| 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 |
| CN201565893U (en) * | 2009-11-24 | 2010-09-01 | 浙江瑞丰五福气动工具有限公司 | Pneumatic wrench |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023005C2 (en) * | 1980-06-20 | 1982-12-16 | Maschinenfabrik Wagner GmbH & Co KG, 5203 Much | Nut runner with torque limiting device |
| 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 |
| 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 |
| CN1062687A (en) * | 1990-12-18 | 1992-07-15 | 陈桂生 | Fixed moment of torque drivepipe |
| 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 |
| DE20116317U1 (en) * | 2001-10-05 | 2002-02-21 | Schwartz, Werner, Dipl.-Ing., 25469 Halstenbek | Screwdriver with torque indicator |
| 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 |
| CN2827645Y (en) * | 2005-06-23 | 2006-10-18 | 朱耀梁 | Industrial labour-saving wrench of preventing torsional springback |
| 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 |
| 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 |
| 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 |
| CN201907091U (en) * | 2010-12-31 | 2011-07-27 | 长城汽车股份有限公司 | Middle socket of constant-torque wrench |
| 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 |
| CN104827436B (en) * | 2012-04-11 | 2016-07-13 | 国网山东省电力公司五莲县供电公司 | A kind of pneumatic impact spanner for power industry determine torque force device |
-
2012
- 2012-04-11 CN CN201510191870.6A patent/CN104827436B/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
- 2012-04-11 CN CN201510190879.5A patent/CN104827432B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510195755.6A patent/CN104827437B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190451.0A patent/CN104827431B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191163.7A patent/CN104827433B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191350.5A patent/CN104827434B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190435.1A patent/CN104827430B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190420.5A patent/CN104827429B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| DE2637954A1 (en) * | 1976-08-24 | 1978-03-02 | Robel Georg Gmbh & Co | SCREWDRIVER WITH TORQUE MEASURING DEVICE |
| 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 |
| CN201565893U (en) * | 2009-11-24 | 2010-09-01 | 浙江瑞丰五福气动工具有限公司 | Pneumatic wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827434B (en) | 2016-08-24 |
| CN104827433A (en) | 2015-08-12 |
| CN104827436B (en) | 2016-07-13 |
| CN104827436A (en) | 2015-08-12 |
| CN104827432A (en) | 2015-08-12 |
| CN104827435A (en) | 2015-08-12 |
| CN102785208B (en) | 2015-10-07 |
| CN104827432B (en) | 2016-10-12 |
| CN104827434A (en) | 2015-08-12 |
| CN104827431B (en) | 2016-06-01 |
| CN104827435B (en) | 2016-06-22 |
| CN104827429A (en) | 2015-08-12 |
| CN104827430A (en) | 2015-08-12 |
| CN104827430B (en) | 2016-06-01 |
| CN102785208A (en) | 2012-11-21 |
| CN104827429B (en) | 2016-08-17 |
| CN104827433B (en) | 2016-08-31 |
| CN104827431A (en) | 2015-08-12 |
| CN104827437A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104827437B (en) | A kind of pneumatic impact spanner for power industry determine torque force device | |
| CN208474202U (en) | Impeller assembling recruitment dress | |
| CN113183682A (en) | Axle center distance adjustable auto wheel loading and unloading mechanism and device | |
| CN202556325U (en) | Torque force fixing apparatus for pneumatic wrench | |
| EP3751167B1 (en) | Disc brake with a reset device for a motor vehicle and motor vehicle with a disc brake | |
| CN204546410U (en) | A kind of suspended hydrogenerator thrust collar dismantling device | |
| CN106863204B (en) | Hooks coupling universal coupling provision for disengagement | |
| CN206998245U (en) | Oil-pressure damper decomposes, assembling tightening machine | |
| CN216008988U (en) | Assembling tool for centrifugal impeller overspeed test | |
| CN208935192U (en) | A kind of output shaft planetary reducer structure | |
| CN109571341A (en) | A kind of portable bolt disassembly device | |
| CN107081707A (en) | A kind of torsion ring for being used to determine torsion | |
| CN219523319U (en) | Mounting structure for eccentric wheel of printing machine | |
| CN219211509U (en) | Lithium electric hand riveter | |
| CN218137794U (en) | Loosening device for adjusting ring of loosening spring type safety valve | |
| CN110125874A (en) | A kind of architectural engineering cap nut provision for disengagement | |
| CN220548203U (en) | Gear position adjusting structure of double gears | |
| CN210146917U (en) | Multifunctional chain cutter | |
| CN211614185U (en) | Pulling rivet gun head | |
| CN205889005U (en) | Power -driven impact wrench | |
| CN214578247U (en) | Reusable retaining fastener for pharmaceutical equipment | |
| CN210589088U (en) | Locking tool of nut for machine tool spindle | |
| CN2890477Y (en) | Multipoint-pretension easily-dismountable wheel hub device | |
| CN216180095U (en) | Test tool | |
| CN218518463U (en) | Torque testing tool |
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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Hongqiang Inventor after: Sun Xiaojun Inventor after: Liu Yongjun Inventor after: Ma Tingxue Inventor after: Li Zongyang Inventor after: Liu Changkai Inventor after: Cong Tao Inventor after: Tan Yun Inventor after: Zou Lu Inventor after: Zheng Aimin Inventor after: Zhang Hongli Inventor before: Hu Yan |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160704 Address after: 264400 Longshan Road, Wendeng District, Shandong, Weihai, China Applicant after: WEIHAI WENDENG 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 |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180411 |