CN102785208B - A kind ofly determine torque force device for pneumatic impact spanner - Google Patents

A kind ofly determine torque force device for pneumatic impact spanner Download PDF

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Publication number
CN102785208B
CN102785208B CN201210103705.7A CN201210103705A CN102785208B CN 102785208 B CN102785208 B CN 102785208B CN 201210103705 A CN201210103705 A CN 201210103705A CN 102785208 B CN102785208 B CN 102785208B
Authority
CN
China
Prior art keywords
cylindrical shell
moment
spring sheet
force device
torque force
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
CN201210103705.7A
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Chinese (zh)
Other versions
CN102785208A (en
Inventor
胡妍
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.)
Jihua 3517 Rubber Products Co Ltd
Original Assignee
Individual
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
Priority to CN201510191350.5A priority Critical patent/CN104827434B/en
Priority to CN201510190451.0A priority patent/CN104827431B/en
Priority to CN201510195755.6A priority patent/CN104827437B/en
Priority to CN201210103705.7A priority patent/CN102785208B/en
Application filed by Individual filed Critical Individual
Priority to CN201510190879.5A priority patent/CN104827432B/en
Priority to CN201510191870.6A priority patent/CN104827436B/en
Priority to CN201510190435.1A priority patent/CN104827430B/en
Priority to CN201510191163.7A priority patent/CN104827433B/en
Priority to CN201510191611.3A priority patent/CN104827435B/en
Priority to CN201510190420.5A priority patent/CN104827429B/en
Publication of CN102785208A publication Critical patent/CN102785208A/en
Application granted granted Critical
Publication of CN102785208B publication Critical patent/CN102785208B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/145Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/145Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
    • B25B23/1453Arrangement 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 for pneumatic impact spanner can change according to demand tighten torsion determine torque force device.Comprise an one end close one end open in the cylindrical shell of cylinder barrel shaped, central shaft, be installed on by holding screw cartridge openings end supporter, be installed in cylindrical shell and form near the outer spring sheet of supporter near the inner spring sheet of blind end and being installed in cylindrical shell.When upper bolt, according to the moment of regulation, by adjusting the size and number of determining spring leaf in torque force device, 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.

Description

A kind ofly determine torque force device for pneumatic impact spanner
Technical field
The present invention relates to a kind of hardware & tools of dismounting screw nut, be specifically related to a kind of for pneumatic impact spanner can change according to demand tighten torsion determine torque force device.
Background technology
Pneumatic impact spanner is the efficient mechanical instrument of dismounting screw nut, and it all has purposes widely in industries such as oil, chemical industry, railway, bridge, automobile, electric power, mine, boats and ships, buildings.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:
This determines torque force device for pneumatic impact spanner, 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.
Be provided with the T-shaped adjustment spring leaf with chamfered end between above-mentioned inner spring sheet and outer spring sheet, adjustment spring leaf one end is installed on splined shaft keyway, and the other end is arranged in cylinder bore sour jujube groove.
One plane of above-mentioned 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 to be determined on torque force device 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 and determine torque force device 2 and rotate, determining torque force device 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. determine torque force device for pneumatic impact spanner for one kind, 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.
CN201210103705.7A 2012-04-11 2012-04-11 A kind ofly determine torque force device for pneumatic impact spanner Expired - Fee Related CN102785208B (en)

Priority Applications (10)

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
CN201210103705.7A CN102785208B (en) 2012-04-11 2012-04-11 A kind ofly determine torque force device for pneumatic impact spanner
CN201510191163.7A CN104827433B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190879.5A CN104827432B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190451.0A CN104827431B (en) 2012-04-11 2012-04-11 A kind of pneumatic wrench for power industry determine torque force device
CN201510190435.1A CN104827430B (en) 2012-04-11 2012-04-11 A kind of pneumatic wrench for power industry determine torque force device
CN201510191350.5A CN104827434B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510191611.3A CN104827435B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190420.5A CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner determine torque force device
CN201510191870.6A CN104827436B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device

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 Child Applications (9)

Application Number Title Priority Date Filing Date
CN201510191350.5A Division CN104827434B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190451.0A Division CN104827431B (en) 2012-04-11 2012-04-11 A kind of pneumatic wrench for power industry determine torque force device
CN201510195755.6A Division CN104827437B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510191870.6A Division CN104827436B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510191163.7A Division CN104827433B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510191611.3A Division CN104827435B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190879.5A Division CN104827432B (en) 2012-04-11 2012-04-11 A kind of pneumatic impact spanner for power industry determine torque force device
CN201510190435.1A Division CN104827430B (en) 2012-04-11 2012-04-11 A kind of pneumatic wrench for power industry determine torque force device
CN201510190420.5A Division CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner determine torque force device

Publications (2)

Publication Number Publication Date
CN102785208A CN102785208A (en) 2012-11-21
CN102785208B true CN102785208B (en) 2015-10-07

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Family Applications (10)

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
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
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
CN201210103705.7A Expired - Fee Related CN102785208B (en) 2012-04-11 2012-04-11 A kind ofly determine torque force device for pneumatic impact spanner
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
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
CN201510190420.5A Expired - Fee Related CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner 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
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

Family Applications Before (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
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
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

Family Applications After (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
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
CN201510190420.5A Expired - Fee Related CN104827429B (en) 2012-04-11 2012-04-11 For power industry pneumatic impact spanner 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
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

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CN104827429B (en) 2016-08-17
CN104827432A (en) 2015-08-12
CN104827437B (en) 2016-08-31
CN104827430A (en) 2015-08-12
CN102785208A (en) 2012-11-21
CN104827437A (en) 2015-08-12
CN104827429A (en) 2015-08-12
CN104827433A (en) 2015-08-12
CN104827432B (en) 2016-10-12
CN104827435A (en) 2015-08-12
CN104827430B (en) 2016-06-01
CN104827431B (en) 2016-06-01
CN104827436B (en) 2016-07-13
CN104827435B (en) 2016-06-22
CN104827436A (en) 2015-08-12
CN104827434A (en) 2015-08-12
CN104827431A (en) 2015-08-12
CN104827434B (en) 2016-08-24
CN104827433B (en) 2016-08-31

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