CN104827430B - A kind of pneumatic wrench for power industry determine torque force device - Google Patents

A kind of pneumatic wrench for power industry determine torque force device Download PDF

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Publication number
CN104827430B
CN104827430B CN201510190435.1A CN201510190435A CN104827430B CN 104827430 B CN104827430 B CN 104827430B CN 201510190435 A CN201510190435 A CN 201510190435A CN 104827430 B CN104827430 B CN 104827430B
Authority
CN
China
Prior art keywords
cylinder
moment
wrench
spring sheet
spring piece
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
Application number
CN201510190435.1A
Other languages
Chinese (zh)
Other versions
CN104827430A (en
Inventor
李昌
张靳
李兴文
王可峰
陈尚邦
黄峰
任萍
陈芳
王东
王春华
陈存英
贾惠
陈国贞
陈忠平
张超彩
江国庆
孙建华
陆洁
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.)
Liangshan Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Liangshan Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
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 Liangshan Power Supply Co Of State Grid Shandong Electric Power Co, State Grid Corp of China SGCC filed Critical Liangshan Power Supply Co Of State Grid Shandong Electric Power Co
Publication of CN104827430A publication Critical patent/CN104827430A/en
Application granted granted Critical
Publication of CN104827430B publication Critical patent/CN104827430B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Abstract

What the present invention relates to a kind of pneumatic wrench for power industry determines torque force device, comprise an one end close one end open in the cylinder of cylinder barrel shaped, central shaft, the supporter being installed on cartridge openings end by tightening screw, be installed in cylinder near the inner spring sheet of blind end and be installed in cylinder near the outer spring sheet structure of supporter. When upper bolt, according to the moment of regulation, by the size and number of spring piece in adjustment torsion ring so that it is be set to required moment, simply easy to adjust. The moment reaching needs when the moment of the screw-nut tightened is then, cylinder is subject to equal retroaction moment, now spring piece enters elasticity deformation stage, due to the reason of elastic deformation, spring piece can skid off from the spine groove cylinder, spring piece is relative to barrel body rotation, thus cylinder stops selecting to make the screw-nut tightened no longer by power.

Description

A kind of pneumatic wrench for power industry determine torque force device
Technical field
To be the applying date be " on 04 11st, 2012 " in the present invention, application number is " 2012101037057 ", name is called point case application of patent of invention of " a kind of for pneumatic wrench determine torque force device ".
Background technology
Pneumatic wrench 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 bolt and nut. The quality of a quality product to a great extent, is not the quality of each part, and is the quality of assembling.
Current domestic application compares pneumatic wrench widely and 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 making-up shop of the integrated mill pneumatic wrench that often service efficiency is high carries out the work of stubborn bolt, but moment needed for the bolt of different size, different sites is different, in order to ensure that the moment tightening bolt is qualified, also need special messenger with the tight bolt of common wrench after pneumatic wrench is tightened. Often final workman puts forth one's strength excessive, is greater than required screw-down torque. So not only wasting manpower, can't ensure the consistence 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 is in order to overcome the deficiency of above technology, it provides a kind of determine torque force device for pneumatic wrench. Can according to the specification of the screw nut to be tightened and the moment convenience adjustment basis work torsion determining torque force device for pneumatic wrench being tightened position requirement.
The present invention overcomes the technical scheme that its technical problem adopts: a kind of pneumatic wrench for power industry determine torque force device, comprise the cylinder in cylinder barrel shaped that one end open is closed in an one end, central shaft, the supporter of cartridge openings end it is installed on by tightening screw, it is installed on the interior inner spring sheet near blind end of cylinder, it is installed on the interior outer spring sheet near supporter of cylinder, described cylinder blind end arranged outside has the square shaft identical with wrench socket square hole size, the inner hole wall of cylinder is along the circumferential direction provided with some spine grooves, central shaft is made up of the square hole shaft being connected with pneumtic impact wrench and splined shaft, splined shaft is installed in cylinder and one end rotatably supports the other end by supporter and is rotationally connected with in cylinder blind end axis hole, inner spring sheet and outer spring sheet are the rectangle plates with chamfered end, chamfered end is arranged in cylinder bore spine 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, pneumtic impact wrench drives central axis, it is installed on central shaft due to spring piece and spring piece chamfered end is arranged in cylinder bore spine groove, so central axis can drive torsion ring to rotate, torsion endless belt wrench sleeve rotates, and wrench socket rotates with bolt or nut.
The invention has the beneficial effects as follows: the present invention for pneumatic wrench to determine torque force device structure simple, with low cost, can be arranged on common pneumatic wrench and use, make common pneumatic wrench have the function determining torsion, possessed the effect of equivalent pulse pneumatic spanner. Undertaken transforming and greatly having saved cost by increasing this torque force device of determining being used for pneumatic wrench on original pneumatic wrench. When upper bolt, according to the moment of regulation, by the size and number of adjustment inner spring sheet and outer spring sheet so that it is be set to required moment, simply easy to adjust. The moment reaching needs when the moment of the screw-nut tightened is then, cylinder is subject to equal retroaction moment, now spring piece enters elasticity deformation stage, due to the reason of elastic deformation, spring piece can skid off from the spine groove cylinder, spring piece is relative to barrel body rotation, thus cylinder stops selecting to make the screw-nut tightened no longer by power. Due to the distortion of now elasticity spring piece relative to the spine groove part that can beat cylinder during barrel body rotation and send the sound and the moment of operator's now tightened bolt nut can be reminded just to reach the moment of regulation, it should stopping operates.
Accompanying drawing explanation
Fig. 1 is the device connection diagram of the present invention;
Fig. 2 be the present invention determine torque force device schematic diagram for pneumatic wrench;
Fig. 3 is the diagrammatic cross-section determining torque force device centrally axis for pneumatic wrench of the present invention;
Fig. 4 is that the A-A determining torque force device for pneumatic wrench of the present invention is to diagrammatic cross-section;
Fig. 5 is that the B-B determining torque force device for pneumatic wrench of the present invention is to diagrammatic cross-section;
Fig. 6 is the inner spring chip architecture schematic diagram of the present invention;
Fig. 7 is the adjustment reed structure schematic diagram of the present invention;
Fig. 8 is the 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 tightening screw 2.3 supporter 2.4 cylinder 2.5 jump ring 2.6 card bead 2.7 inner spring sheet 2.8 and is adjusted spring piece 2.9 outer spring sheet 2.10 square shaft 2.11 tapered blind hole 3. wrench socket.
Embodiment
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.
The device connection diagram of the present invention as shown in Figure 1, this torque force device 2 of determining being used for pneumatic wrench is installed to common pneumtic impact wrench 1, and sleeve 3 is arranged on torsion ring. Common pneumtic impact wrench so just can be made to possess the effect determining torsion.
Such as Fig. 2, Fig. 3, Fig. 4, the torque force device 2 of determining that shown in Fig. 5, this is used for pneumatic wrench comprises the cylinder 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 cylinder 2.4 opening end it is installed on by tightening screw, it is installed on the interior inner spring sheet 2.7 near blind end of cylinder 2.4, it is installed on the interior outer spring sheet 2.9 near supporter 2.3 of cylinder 2.4, described cylinder 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 cylinder 2.4 is along the circumferential direction provided with some spine grooves, central shaft 2.1 is made up of the square hole shaft being connected with pneumtic impact wrench 1 and splined shaft, splined shaft is installed in cylinder 2.4 and one end rotatably supports the other end by supporter 2.3 and is rotationally connected with in cylinder 2.4 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, and inner spring sheet 2.7 and outer spring sheet 2.9 are the rectangle plates with chamfered end, and chamfered end is arranged in cylinder 2.4 hole spine groove, and the other end is installed on splined shaft keyway. During use, size according to required torsion selects the quantity of outer spring sheet 2.9 and inner spring sheet 2.7 so that it is be set to the moment of standard. Owing to the length of 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 piece of relatively high pulling torque, outer spring sheet 2.9 is the spring piece providing less moment of torsion. So specification and the quantity of spring piece can conveniently be combined moment of torsion as required. When starting working, pneumtic impact wrench 1 drives central shaft 2.1 to rotate, it is installed on central shaft 2.1 due to spring piece and spring piece chamfered end is arranged in cylinder 2.4 hole spine groove, so central shaft 2.1 rotation can drive torsion ring to rotate, torsion endless belt wrench sleeve 3 rotates, and wrench socket 3 rotates with bolt or nut.
The moment reaching regulation when the screw-down torque of bolt nut is then, wrench socket 3 is subject to equal counter torque, now spring piece place reaches the threshold value of its elasticity distortion by power, due to the reason of elastic deformation, spring piece can disconnect from spine groove, thus central shaft 2.1 drives spring piece can rotate relative to cylinder 2.4, in rotary course, spring piece is owing to disconnecting from spine groove continuously thus realizes the sound of rattling away beating cylinder 2.4. Operator hears sound, just stops work immediately. Now the moment of bolt just reaches the moment of regulation.
Being provided with the T-shaped adjustment spring piece 2.8 with chamfered end between above-mentioned inner spring sheet 2.7 and outer spring sheet 2.9, adjustment spring piece 2.8 one end is installed on splined shaft keyway, and the other end is arranged in cylinder 2.4 hole spine groove. Due to the adjustment T-shaped part width width being installed on splined shaft keyway of spring piece 2.8, and it is arranged in the narrow width of cylinder 2.4 hole spine groove. So adjustment spring piece 2.8 is also for providing the spring piece of less moment of torsion. So determining torque force device 2 when only needing the situation of low-force square in this present invention for pneumatic wrench, only less inner spring sheet 2.7 need to be installed in cylinder, so in order to prevent the phenomenon toppled over when inner spring sheet 2.7 is very few, so introduce adjustment spring piece 2.8 mainly play the effect 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 axis of great circle of the tapered blind hole diameter axis of small circle that 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. The square hole that card bead 2.6 can press lower circlip 2.5 to realize wrench socket 3 when assembly wrench sleeve 3 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 wrench for power industry determine torque force device, it is characterized in that: comprise the cylinder (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 cylinder (2.4) opening end it is installed on by tightening screw, it is installed on the interior inner spring sheet (2.7) near blind end of cylinder (2.4), it is installed on the interior outer spring sheet (2.9) near supporter (2.3) of cylinder (2.4), described cylinder (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 cylinder (2.4) is along the circumferential direction provided with some spine grooves, central shaft (2.1) is made up of the square hole shaft being connected with pneumtic impact wrench (1) and splined shaft, splined shaft is installed in cylinder (2.4) and one end is rotationally connected with in cylinder (2.4) blind end axis hole by the rotatable the other end that supports of supporter (2.3), inner spring sheet (2.7) and outer spring sheet (2.9) are the rectangle plates with chamfered end, chamfered end is arranged in cylinder (2.4) hole spine 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, pneumtic impact wrench (1) drives central shaft (2.1) to rotate, owing to spring piece is installed on, central shaft (2.1) is upper and spring piece chamfered end is arranged in cylinder (2.4) hole spine groove, so central shaft (2.1) rotation can drive torsion ring to rotate, torsion endless belt wrench sleeve (3) rotates, and wrench socket (3) rotates with bolt or nut.
CN201510190435.1A 2012-04-11 2012-04-11 A kind of pneumatic wrench for power industry determine torque force device Expired - Fee Related CN104827430B (en)

Applications Claiming Priority (1)

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

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

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Publication Number Publication Date
CN104827430A CN104827430A (en) 2015-08-12
CN104827430B true CN104827430B (en) 2016-06-01

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Family Applications (10)

Application Number Title Priority Date Filing Date
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
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
CN201510190420.5A Expired - Fee Related CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner 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
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
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
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
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
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
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 Before (7)

Application Number Title Priority Date Filing Date
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
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
CN201510190420.5A Expired - Fee Related CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner 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
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
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
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

Family Applications After (2)

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
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

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CN104827435B (en) * 2012-04-11 2016-06-22 国网山东省电力公司龙口市供电公司 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
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

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CN104827430A (en) 2015-08-12
CN104827436B (en) 2016-07-13
CN104827434A (en) 2015-08-12
CN102785208A (en) 2012-11-21
CN104827431A (en) 2015-08-12
CN104827429B (en) 2016-08-17
CN102785208B (en) 2015-10-07
CN104827437B (en) 2016-08-31
CN104827431B (en) 2016-06-01
CN104827436A (en) 2015-08-12
CN104827432A (en) 2015-08-12
CN104827433B (en) 2016-08-31
CN104827433A (en) 2015-08-12
CN104827437A (en) 2015-08-12
CN104827435A (en) 2015-08-12
CN104827435B (en) 2016-06-22
CN104827434B (en) 2016-08-24
CN104827432B (en) 2016-10-12
CN104827429A (en) 2015-08-12

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