CN104827434B - 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 PDF

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Publication number
CN104827434B
CN104827434B CN201510191350.5A CN201510191350A CN104827434B CN 104827434 B CN104827434 B CN 104827434B CN 201510191350 A CN201510191350 A CN 201510191350A CN 104827434 B CN104827434 B CN 104827434B
Authority
CN
China
Prior art keywords
cylinder
spring sheet
moment
spring leaf
torsion
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
CN201510191350.5A
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Chinese (zh)
Other versions
CN104827434A (en
Inventor
祝玉峰
徐雷
王磊
冯彬
李为宁
杨磊
唐文海
段宇菁
彭绪亮
王裕晓
李华
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.)
State Grid Shandong Electric Power Co Yiyuan Power Supply Company</en>
Original Assignee
State Grid Shandong Electric Power Co Yiyuan Power Supply Company</en>
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 State Grid Shandong Electric Power Co Yiyuan Power Supply Company</en> filed Critical State Grid Shandong Electric Power Co Yiyuan Power Supply Company</en>
Priority to CN201510191350.5A priority Critical patent/CN104827434B/en
Publication of CN104827434A publication Critical patent/CN104827434A/en
Application granted granted Critical
Publication of CN104827434B publication Critical patent/CN104827434B/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
    • 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

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  • 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

A kind of pneumatic impact spanner for power industry determine torque force device
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 length of inner spring sheet is more than the length of outer spring sheet, so inner spring sheet is for providing the spring leaf of high torque, outer spring Sheet is for providing the spring leaf of less moment of torsion；The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；Inner spring sheet and outer spring sheet exist During use, the size according to required torsion selects outer spring sheet and the quantity of inner spring sheet so that it is be set to the moment of standard；Start During work, pneumtic impact wrench drives central axis, is installed on central shaft due to spring leaf and spring leaf chamfered end is positioned at cylinder bore In spine groove, so central axis can drive torsion ring to rotate, torsion ring drives wrench socket to rotate, and wrench socket is with bolt Or nut rotates.
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 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. 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. null1. one kind for power industry pneumatic impact spanner determine torque force device，It is characterized in that: include that the cylinder (2.4) in cylinder barrel shaped of one end open is closed in an one end、Central shaft (2.1)、The supporter (2.3) of cylinder (2.4) opening it is installed on by holding screw、The inner spring sheet (2.7) of close blind end in being installed on cylinder (2.4)、The outer spring sheet (2.9) of close supporter (2.3) in being installed on cylinder (2.4)，The square shaft (2.10) identical with wrench socket (3) square hole size it is provided with outside described cylinder (2.4) blind end，The inner hole wall of cylinder (2.4) is peripherally disposed several spine grooves，Central shaft (2.1) is made up of square hole shaft and the splined shaft being connected with pneumtic impact wrench (1)，In splined shaft is installed on cylinder (2.4) and one end is rotatably supported the other end and is rotationally connected with in cylinder (2.4) blind end axis hole by 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 positioned in cylinder (2.4) endoporus spine groove，The other end is installed on splined shaft keyway；The length of inner spring sheet is more than the length of outer spring sheet, so inner spring sheet is for providing the spring leaf of high torque, outer spring sheet is for providing the spring leaf of less moment of torsion；The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；Inner spring sheet and outer spring sheet select outer spring sheet and the quantity of inner spring sheet according to the size of required torsion in use so that it is be set to the moment of standard；When starting working, pneumtic impact wrench drives central axis, is installed on central shaft due to spring leaf and spring leaf chamfered end is positioned in cylinder bore spine groove, so central axis can drive torsion ring to rotate, torsion ring drives wrench socket to rotate, and wrench socket rotates with bolt or nut.
CN201510191350.5A 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device Expired - Fee Related CN104827434B (en)

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Application Number Priority Date Filing Date Title
CN201510191350.5A CN104827434B (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
CN201510191350.5A CN104827434B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry 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

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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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CN104827434A CN104827434A (en) 2015-08-12
CN104827434B true CN104827434B (en) 2016-08-24

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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

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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

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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
CN104827430B (en) 2016-06-01
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
CN104827432B (en) 2016-10-12
CN104827429A (en) 2015-08-12

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