CN104669185A - Sleeve capable of setting torque - Google Patents

Sleeve capable of setting torque Download PDF

Info

Publication number
CN104669185A
CN104669185A CN201510103430.0A CN201510103430A CN104669185A CN 104669185 A CN104669185 A CN 104669185A CN 201510103430 A CN201510103430 A CN 201510103430A CN 104669185 A CN104669185 A CN 104669185A
Authority
CN
China
Prior art keywords
sleeve
connecting rod
socket
transmission connection
drive socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510103430.0A
Other languages
Chinese (zh)
Other versions
CN104669185B (en
Inventor
胡日骍
李茶林
周华祥
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.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
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 Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201510103430.0A priority Critical patent/CN104669185B/en
Publication of CN104669185A publication Critical patent/CN104669185A/en
Application granted granted Critical
Publication of CN104669185B publication Critical patent/CN104669185B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/08Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/001Combined nut setting and crimping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention discloses a sleeve capable of setting torque. The sleeve comprises an outer transmission sleeve, an inner transmission sleeve, a transmission connecting sleeve, a transmission connecting rod and a sliding sleeve assembly, wherein a plurality of transmission connecting rod inserting ports are uniformly formed in the side wall of the outer transmission sleeve along the circumferential direction; a blower gun port is formed in one end of the inner transmission sleeve; a transmission connecting sleeve shaft is arranged on the other end of the inner transmission sleeve; the inner transmission sleeve is inserted by the other end of the outer transmission sleeve, and is supported through the outer end of the transmission connecting sleeve shaft and the blower gun port end of the inner transmission sleeve to rotate; the transmission connecting sleeve is fixedly arranged on the transmission connecting sleeve shaft of the inner transmission sleeve; a spring stop flange is arranged in the middle of the transmission connecting rod; a transmission connecting rod spring is arranged on the lower part of the spring stop flange; the lower end of the transmission connecting rod is pulled to be against to the outer peripheral face of the transmission connecting sleeve to form friction transmission fit; the sliding sleeve assembly comprises a sliding sleeve and an eccentric sleeve. The sleeve can avoid the phenomenon that a tightly screwed object is damaged since a blower gun tightens at high speed.

Description

The sleeve of moment can be determined
Technical field
The present invention relates to tightening tool field, particularly a kind of sleeve determining moment.
Background technology
Some occasion, what tight a bolt employing is smaller tightening tool, and such as hexagon socket head cap screw tightening tool, these tightening tools are owing to can only bear less moment of torsion, so can only twist slowly by hand, speed of tightening is very slow.
Such as some bolt make-up torque requires smaller again, can not get effective control, can exceed its limiting value, break thread, so also limit the use of air pressure gun by the direct urgent moment of air pressure gun.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of sleeve of simple and reasonable determined moment, this can determine the sleeve of moment and high speed air pressure gun with the use of, can when driving torque be less than the moment of barrel set, sleeve is normally tightened, and when driving torque is by the moment higher than barrel set, then sleeve inner transmission disconnects, air pressure gun port part realizes idle running, while realizing being tightened object Quick fastening, avoid making to be tightened object because air pressure gun high speed is urgent and be damaged.
For achieving the above object, the invention provides the sleeve can determining moment, comprising: outer drive socket, it is tubulose, one end of this outer drive socket has and the bayonet socket being tightened object fits, and the sidewall of this outer drive socket circumferentially evenly offers multiple driving connecting rod socket, interior drive socket, its one end has air pressure gun mouth, and the other end is the sleeve that is in transmission connection, this interior drive socket is inserted by the other end of described outer drive socket, and supports rotation by the wind muzzle end of be in transmission connection sleeve outer end and interior drive socket, be in transmission connection cover, and what it was fixedly mounted on described interior drive socket is in transmission connection on sleeve, driving connecting rod, there is in the middle part of it spring stop lug, and being located in the driving connecting rod socket of described outer drive socket, this spring stop lug bottom is provided with driving connecting rod spring, is drawn the lower end of driving connecting rod the outer peripheral face propping up the cover that is in transmission connection to form frictional drive and coordinates, and sliding sleeve assembly, it comprises: sliding sleeve and eccentric bushing, the eccentric orfice that described eccentric bushing has return push rod jack and is connected with this return push rod jack, is provided with return push rod in this return push rod jack, described sliding sleeve is fixedly set in the periphery of outer drive socket, and one end abuts by being provided with the moment thread bush of determining determining moment spring, described eccentric bushing inserts sliding sleeve, when the lower end of driving connecting rod prop up be in transmission connection cover formed frictional drive time, the upper end of described driving connecting rod is positioned at the eccentric orfice of eccentric bushing, when driving torque is greater than the moment of torsion determining the setting of moment thread bush, outwards slide and depart from frictional drive with being in transmission connection to overlap in the lower end of described driving connecting rod, the eccentric bushing socket of sliding sleeve is stretched in the upper end of described driving connecting rod, thus moment spring is determined in the resistance compression driving sliding sleeve assembly to overcome to determine moment spring, sliding sleeve assembly and outer drive socket is made to produce relative sliding.
Preferably, in technique scheme, the middle part of outer drive socket has the cover container cavity that is in transmission connection, and the other end is interior drive socket socket, described interior drive socket and the cover that is in transmission connection insert by this interior drive socket socket the cover container cavity that is in transmission connection, and are locked by adapter sleeve.
Preferably, in technique scheme, the radial section of the cover that is in transmission connection is quincunx.
Preferably, in technique scheme, the radial section of the cover that is in transmission connection is that corner is quincunx.
Preferably, in technique scheme, in the middle part of the outer peripheral face of the cover that is in transmission connection, circumference offers driving connecting rod groove.
Preferably, in technique scheme, driving connecting rod socket is four, and the eccentric bushing socket of described sliding sleeve is four.
Preferably, in technique scheme, sliding sleeve assembly also comprises fixture block, and this sliding sleeve is fixedly set in the periphery of outer drive socket by fixture block.
Preferably, in technique scheme, the other end of sliding sleeve is supported by support set.
Compared with prior art, the present invention has following beneficial effect: this can determine the sleeve of moment and high speed air pressure gun with the use of, can when driving torque be less than the moment of barrel set, sleeve is normally tightened, and when driving torque is by the moment higher than barrel set, then sleeve inner transmission disconnects, air pressure gun port part realizes idle running, while realizing being tightened object Quick fastening, avoid making to be tightened object because air pressure gun high speed is urgent and be damaged.
Accompanying drawing explanation
Fig. 1 be of the present invention determine the normal tight condition of the sleeve of moment under assembled shaft to sectional structure schematic diagram.
Fig. 2 be of the present invention determine the normal tight condition of the sleeve of moment under assemble radial sectional structure schematic diagram.
Fig. 3 be of the present invention determine the off-state of the sleeve of moment under assembled shaft to sectional structure schematic diagram.
Fig. 4 be of the present invention determine the off-state of the sleeve of moment under assemble radial sectional structure schematic diagram.
Fig. 5 is the outer drive socket structural representation determining the sleeve of moment of the present invention.
Fig. 6 is the sectional structure schematic diagram in the B-B direction of Fig. 5.
Fig. 7 is the interior drive socket structural representation determining the sleeve of moment of the present invention.
Fig. 8 is the adapter sleeve structural representation determining the sleeve of moment of the present invention.
Fig. 9 is the main TV structure schematic diagram of cover that is in transmission connection determining the sleeve of moment of the present invention.
Figure 10 is the cover side-looking structural representation that is in transmission connection determining the sleeve of moment of the present invention.
Figure 11 is the main TV structure schematic diagram of driving connecting rod determining the sleeve of moment of the present invention.
Figure 12 is the driving connecting rod side-looking structural representation determining the sleeve of moment of the present invention.
Figure 13 is the sliding sleeve structural representation determining the sleeve of moment of the present invention.
Figure 14 is the sectional structure schematic diagram in the C-C direction of Figure 13.
Figure 15 is the eccentric bushing structure schematic diagram determining the sleeve of moment of the present invention.
Figure 16 is the sectional structure schematic diagram of Figure 15.
Figure 17 is the fixture block structural representation determining the sleeve of moment of the present invention.
Figure 18 is the support set structural representation determining the sleeve of moment of the present invention.
Figure 19 is the return pusher structure schematic diagram determining the sleeve of moment of the present invention.
Figure 20 be of the present invention determine the sleeve of moment determine moment thread bush structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figures 1 to 4, specifically comprising according to the sleeve of the determined moment of the specific embodiment of the invention: outer drive socket 4, interior drive socket 7, the cover 8 that is in transmission connection, driving connecting rod 10, driving connecting rod spring 9, sliding sleeve assembly 3, determine moment thread bush 2 and determine moment spring 1.Wherein, interior drive socket 7 is located in outer drive socket 4, air pressure gun is squeezed into from the air pressure gun mouth of interior drive socket 7, moment of torsion is passed to the cover 8 that is in transmission connection by interior drive socket 7, again by cover 8 and driving connecting rod 10 rubbing action mutually of being in transmission connection, thus drive outer drive socket 4 to rotate, realize being tightened the urgent of object.When driving torque be greater than determine moment of torsion that moment thread bush 2 sets time, driving connecting rod 10 and be in transmission connection between cover 8 and sliding sleeve assembly 3 and then can produce relative sliding.At this moment driving connecting rod 10 lower slide is to the top dead centre of the cover 8 that is in transmission connection, and sliding sleeve assembly 3 overcomes the resistance compression determining moment spring 1 and determines moment spring simultaneously, and now driving connecting rod 10 slides in the deep hole of stop collar, is locked in deep hole.Be in transmission connection cover 8 and driving connecting rod 10 disconnects and contact, and interior drive socket 7 dallies in drive socket outside, which achieves to be tightened object determine force moment protection and high rotating speed sprains protection.
As shown in Figure 5 and Figure 6, outer drive socket 4 is tubulose, one end has and the bayonet socket 41 being tightened object fits, middle part has the cover container cavity that is in transmission connection, the other end is interior drive socket socket, interior drive socket 7 and the cover 8 that is in transmission connection insert by this interior drive socket socket the cover container cavity that is in transmission connection, and are locked by adapter sleeve 6, to realize interior drive socket 7 and to rotate in the cover container cavity that is in transmission connection of cover 8 drive socket 4 outside that is in transmission connection.The sidewall of the cover container cavity that is in transmission connection of outer drive socket 4 circumferentially evenly offers multiple driving connecting rod socket, for grafting driving connecting rod 10.Preferably, driving connecting rod socket is four.
As shown in Figure 7 and Figure 8, one end (right-hand member) of interior drive socket 7 has air pressure gun mouth, and the other end is the sleeve that is in transmission connection.Interior drive socket 7 inserts the cover container cavity that is in transmission connection of outer drive socket 4, is supported rotate by the wind muzzle end of be in transmission connection sleeve outer end and interior drive socket 7.As shown in Figure 9 and Figure 10, what the cover 8 that is in transmission connection was fixedly mounted on interior drive socket 7 by axial installing hole is in transmission connection on sleeve, its radial section is that corner is quincunx, be in transmission connection cover 8 outer peripheral face in the middle part of circumference offer driving connecting rod groove, for coordinating with the lower end frictional drive of driving connecting rod 10.As is illustrated by figs. 11 and 12, the middle part of driving connecting rod 10 has spring stop lug, when driving connecting rod 10 is located in the driving connecting rod socket of outer drive socket 4, spring stop lug bottom is provided with driving connecting rod spring 9, for the lower end of driving connecting rod 10 is drawn prop up the cover 8 that is in transmission connection outer peripheral face in the middle part of the driving connecting rod groove offered of circumference, thus form frictional drive and coordinate.
As shown in Figure 13 to Figure 18, sliding sleeve assembly 3 comprises: sliding sleeve 31, eccentric bushing 32 and fixture block 33, and the circumference of sliding sleeve 31 is corresponding with the driving connecting rod socket of outer drive socket 4 offers eccentric bushing socket.The eccentric orfice that eccentric bushing 32 has return push rod jack and is connected with this return push rod jack, is provided with return push rod 11 (as shown in figure 19) in return push rod jack.Sliding sleeve 31 is fixedly set in the periphery of outer drive socket 4 by fixture block 33, and one end is supported by support set 5, and the other end abuts by being provided with the moment thread bush 2 (as shown in figure 20) of determining determining moment spring 1.Eccentric bushing 32 inserts the eccentric bushing socket of sliding sleeve 31, when the lower end of driving connecting rod 10 prop up the cover 8 that is in transmission connection form frictional drive time, the upper end of driving connecting rod 10 is positioned at the eccentric orfice of eccentric bushing 32, when driving torque is greater than the moment of torsion determining moment thread bush 2 setting, driving connecting rod 10 lower end outwards slides into top dead centre and its disengaging frictional drive of the cover 8 that is in transmission connection, the eccentric bushing socket of sliding sleeve 31 is stretched in the upper end of driving connecting rod 10, thus moment spring is determined in the resistance compression driving sliding sleeve assembly 3 to overcome to determine moment spring 1, sliding sleeve assembly 3 and outer drive socket 4 is made to produce relative sliding.Be in transmission connection cover 8 and driving connecting rod 10 disconnects and contact, and interior drive socket 7 dallies in drive socket outside, which achieves to be tightened object determine force moment protection and high rotating speed sprains protection.
As shown in Figure 1, air pressure gun is squeezed into from interior drive socket 7 air pressure gun mouth, and moment of torsion is passed to the cover 8 that is in transmission connection by interior drive socket, by cover and driving connecting rod 10 rubbing action mutually of being in transmission connection, thus drives outer drive socket 4 to rotate, realizes being tightened the urgent of object.
Driving connecting rod is transmitted the interaction of connecting rod spring 9 and sliding sleeve assembly 3, spacing in the eccentric orfice of eccentric bushing shown in Figure 16.When driving torque be greater than determine moment of torsion that moment thread bush 2 sets time, driving connecting rod 10 and be in transmission connection between cover 8 and sliding sleeve assembly 3 and then can produce relative sliding.At this moment driving connecting rod 10 lower slide is to the top dead centre of the cover 8 that is in transmission connection, sliding sleeve assembly 3 overcomes the resistance compression determining moment spring 1 and determines moment spring simultaneously, now driving connecting rod 10 slides in eccentric bushing socket, and is subject to the thrust of driving connecting rod spring 9, is locked in socket.The cover 8 that is in transmission connection disconnects with driving connecting rod 10 and contacting, the interior idle running of drive socket outside of interior drive socket 7.
To sum up, this can determine the sleeve of moment and high speed air pressure gun with the use of, can when driving torque be less than the moment of barrel set, sleeve is normally tightened, and when driving torque is by the moment higher than barrel set, then sleeve inner transmission disconnects, air pressure gun port part realizes idle running, while realizing being tightened object Quick fastening, avoid making to be tightened object because air pressure gun high speed is urgent and be damaged.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.

Claims (8)

1. can determine a sleeve for moment, it is characterized in that, comprising:
Outer drive socket, it is tubulose, and one end of this outer drive socket has and the bayonet socket being tightened object fits, and the sidewall of this outer drive socket circumferentially evenly offers multiple driving connecting rod socket;
Interior drive socket, its one end has air pressure gun mouth, and the other end is the sleeve that is in transmission connection; This interior drive socket is inserted by the other end of described outer drive socket, and supports rotation by the wind muzzle end of be in transmission connection sleeve outer end and interior drive socket;
Be in transmission connection cover, and what it was fixedly mounted on described interior drive socket is in transmission connection on sleeve;
Driving connecting rod, there is in the middle part of it spring stop lug, and being located in the driving connecting rod socket of described outer drive socket, this spring stop lug bottom is provided with driving connecting rod spring, is drawn the lower end of driving connecting rod the outer peripheral face propping up the cover that is in transmission connection to form frictional drive and coordinates; And
Sliding sleeve assembly, it comprises: sliding sleeve and eccentric bushing, the eccentric orfice that described eccentric bushing has return push rod jack and is connected with this return push rod jack, is provided with return push rod in this return push rod jack, described sliding sleeve is fixedly set in the periphery of outer drive socket, and one end abuts by being provided with the moment thread bush of determining determining moment spring, described eccentric bushing inserts sliding sleeve, when the lower end of driving connecting rod prop up be in transmission connection cover formed frictional drive time, the upper end of described driving connecting rod is positioned at the eccentric orfice of eccentric bushing, when driving torque is greater than the moment of torsion determining the setting of moment thread bush, outwards slide and depart from frictional drive with being in transmission connection to overlap in the lower end of described driving connecting rod, the eccentric bushing socket of sliding sleeve is stretched in the upper end of described driving connecting rod, thus moment spring is determined in the resistance compression driving sliding sleeve assembly to overcome to determine moment spring, sliding sleeve assembly and outer drive socket is made to produce relative sliding.
2. the sleeve determining moment according to claim 1, it is characterized in that, the middle part of described outer drive socket has the cover container cavity that is in transmission connection, the other end is interior drive socket socket, described interior drive socket and the cover that is in transmission connection insert by this interior drive socket socket the cover container cavity that is in transmission connection, and are locked by adapter sleeve.
3. the sleeve determining moment according to claim 1, is characterized in that, described in be in transmission connection cover radial section be quincunx.
4. the sleeve determining moment according to claim 3, is characterized in that, described in be in transmission connection cover radial section be that corner is quincunx.
5. the sleeve determining moment according to claim 3, is characterized in that, described in be in transmission connection cover outer peripheral face in the middle part of circumference offer driving connecting rod groove.
6. the sleeve determining moment according to claim 1, is characterized in that, described driving connecting rod socket is four, and the eccentric bushing socket of described sliding sleeve is four.
7. the sleeve determining moment according to claim 1, is characterized in that, described sliding sleeve assembly also comprises fixture block, and this sliding sleeve is fixedly set in the periphery of outer drive socket by fixture block.
8. the sleeve determining moment according to claim 7, is characterized in that, the other end of described sliding sleeve is supported by support set.
CN201510103430.0A 2015-03-09 2015-03-09 The sleeve of moment can be determined Active CN104669185B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510103430.0A CN104669185B (en) 2015-03-09 2015-03-09 The sleeve of moment can be determined

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510103430.0A CN104669185B (en) 2015-03-09 2015-03-09 The sleeve of moment can be determined

Publications (2)

Publication Number Publication Date
CN104669185A true CN104669185A (en) 2015-06-03
CN104669185B CN104669185B (en) 2016-04-27

Family

ID=53305038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510103430.0A Active CN104669185B (en) 2015-03-09 2015-03-09 The sleeve of moment can be determined

Country Status (1)

Country Link
CN (1) CN104669185B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112476313A (en) * 2020-10-27 2021-03-12 无锡麦克马丁定扭矩装配工具有限公司 Multifunctional rated torque fastening device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3344511A1 (en) * 1983-12-09 1985-06-20 Dyckerhoff & Widmann AG, 8000 München Device for setting a synthetic-resin adhesive anchor
CN2095741U (en) * 1990-03-28 1992-02-12 周义宝 Jaw type wrench
US20070101834A1 (en) * 2003-06-25 2007-05-10 Dan Mekler Fastening tool for screw threaded bolts
CN102430915A (en) * 2010-08-30 2012-05-02 通用汽车环球科技运作有限责任公司 Hold and drive tool with disengagement capability
CN202684814U (en) * 2012-07-27 2013-01-23 山东中兴电动工具有限公司 Torque output mechanism for constant torque electric wrench
CN202780967U (en) * 2012-07-27 2013-03-13 山东中兴电动工具有限公司 Reaction mechanism of electric straight wrench with fixed torsion
CN103753475A (en) * 2014-01-28 2014-04-30 中航光电科技股份有限公司 Fixed force moment hand wheel with adjustable holding length
CN203818043U (en) * 2014-04-15 2014-09-10 金陵科技学院 Jaw and toothed fixed torque wrench
CN204450373U (en) * 2015-03-09 2015-07-08 广西玉柴机器股份有限公司 The sleeve of moment can be determined

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3344511A1 (en) * 1983-12-09 1985-06-20 Dyckerhoff & Widmann AG, 8000 München Device for setting a synthetic-resin adhesive anchor
CN2095741U (en) * 1990-03-28 1992-02-12 周义宝 Jaw type wrench
US20070101834A1 (en) * 2003-06-25 2007-05-10 Dan Mekler Fastening tool for screw threaded bolts
CN102430915A (en) * 2010-08-30 2012-05-02 通用汽车环球科技运作有限责任公司 Hold and drive tool with disengagement capability
CN202684814U (en) * 2012-07-27 2013-01-23 山东中兴电动工具有限公司 Torque output mechanism for constant torque electric wrench
CN202780967U (en) * 2012-07-27 2013-03-13 山东中兴电动工具有限公司 Reaction mechanism of electric straight wrench with fixed torsion
CN103753475A (en) * 2014-01-28 2014-04-30 中航光电科技股份有限公司 Fixed force moment hand wheel with adjustable holding length
CN203818043U (en) * 2014-04-15 2014-09-10 金陵科技学院 Jaw and toothed fixed torque wrench
CN204450373U (en) * 2015-03-09 2015-07-08 广西玉柴机器股份有限公司 The sleeve of moment can be determined

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112476313A (en) * 2020-10-27 2021-03-12 无锡麦克马丁定扭矩装配工具有限公司 Multifunctional rated torque fastening device

Also Published As

Publication number Publication date
CN104669185B (en) 2016-04-27

Similar Documents

Publication Publication Date Title
US20130071177A1 (en) Wrench quick release apparatus
CN104074738B (en) Plunger pump and plunger motor and closing-in-prevention forward-packet plunger sliding boot assembly thereof
CN204450373U (en) The sleeve of moment can be determined
CN104669185B (en) The sleeve of moment can be determined
CN105773509A (en) Sleeve provided with self-tapping screw
CN103803408A (en) Lifting appliance for assembling clutch
CN207757519U (en) A kind of spanner
CN106239428B (en) A kind of device of quick assembling stud
CN208895985U (en) A kind of highly-safe pneumatic screw driver
CN204851848U (en) Hydraulic oil cylinder
CN105033616A (en) Pressing-in device of crankshaft belt pulley
CN202392314U (en) Non-detachable pipe joint
CN205521149U (en) A installation mechanism for installing interior sleeve pipe among tubular heat exchanger
CN110145520B (en) Expansion connecting piece
CN201211094Y (en) Screw type hanging-cupboard no-nail fixation device
CN201361784Y (en) Device for fast assembling threaded bush
CN104339298B (en) Magnetic screwdriver head connecting rod
CN203125396U (en) Hand-operated torque screw screwdriver
CN205559648U (en) Friction hydraulic brake
CN213510775U (en) Sealing structure and engine
CN218454879U (en) High-strength screw fastener for compressor
CN107829938B (en) Manual guide vane adjusting structure
CN204893782U (en) Nut assembly and disassembly tools
CN202851431U (en) Bearing body structure for pump
CN207548659U (en) A kind of twisting fixture for leading screw assembling

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant