CN105598903A - Novel pin fetching device - Google Patents

Novel pin fetching device Download PDF

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Publication number
CN105598903A
CN105598903A CN201410461021.3A CN201410461021A CN105598903A CN 105598903 A CN105598903 A CN 105598903A CN 201410461021 A CN201410461021 A CN 201410461021A CN 105598903 A CN105598903 A CN 105598903A
Authority
CN
China
Prior art keywords
pin
face
piston
guide pad
extraction device
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.)
Pending
Application number
CN201410461021.3A
Other languages
Chinese (zh)
Inventor
许文雪
李海涛
许亚楠
许礼
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.)
BENGBU JIANGNAN CONSTRUCTION MACHINERY Co Ltd
Original Assignee
BENGBU JIANGNAN CONSTRUCTION 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 BENGBU JIANGNAN CONSTRUCTION MACHINERY Co Ltd filed Critical BENGBU JIANGNAN CONSTRUCTION MACHINERY Co Ltd
Priority to CN201410461021.3A priority Critical patent/CN105598903A/en
Publication of CN105598903A publication Critical patent/CN105598903A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the field of construction equipment and specifically relates to a novel pin fetching device which comprises a handle, a guide tube, a catapult and a pin storage box, wherein the handle comprises a holding part and an installation part which is perpendicularly disposed on the front end face of the holding part; the rear part of the guide tube is connected by screws and fixed on the installation part; the catapult is installed in the guide tube; an upper connecting plate and a lower connecting plate which are perpendicular to the left side face of the pin storage box is welded firmly on the face; the pin storage box is connected by screws and fixed on the right side of the front part of the guide tube via the upper and lower connecting plates; and a trigger device which can control motions of a catapulting rod is installed on the upper end of the holding part. The device provided by the invention has the advantages that a protective pin can be knocked, so that the pin can be smoothly separated from a rope tightening device and the separated protective pin can be stored directly simultaneously; structure design is skillful; and operations are simple.

Description

A kind of novel pin extraction device
Technical field
The present invention relates to Architectural Equipment field, specifically refer to a kind of novel pin extraction device.
Background technology
Along with the continuous propelling of social development and urbanization, building industry is developed rapidly,Tower crane is widely used, but various tower crane accident also emerges in an endless stream, luffingDolly is particularly heavy as the security of one in tower crane technology structure that is related to safety of tower crane, wherein euphroe is for steel wire rope is carried out to the pass that elasticity regulates in amplitude variation trolleyKey apparatus.
The locking of euphroe is mainly that the guard pin by having safeguard protection effect is locked, andIn the course of work of euphroe, need often to take out and install guard pin, traditional guard pinTaking-up mode be all with the front portion that pin extraction device beats guard pin make guard pin and euphroe de-From, the guard pin detaching is not directly received. Due to tower in building construction processThe height hanging is all higher, and rope Locking device height is overhead also higher, therefore traditional write offThe as easy as rolling off a log phenomenon of guard pin from falling from high altitude that cause of mode, exists the safety of job site hiddenSuffer from.
Summary of the invention
For problems of the prior art, the present invention is intended to the novel write off dress of open onePut.
For addressing the above problem, the invention provides following technical scheme:
A kind of novel pin extraction device, comprises handle, guide pipe, catapult-launching gear and receipts pin case, instituteThe handle of stating comprises grip part and is vertical at the installation portion of front end face of grip part, and described leadsBe spirally connected and be fixed on installation portion to the rear portion of pipe, described catapult-launching gear is installed on described guidingIn pipe, on the left surface of described receipts pin case, be welded with perpendicular to the upper junction plate of this face andLower connecting plate, described receipts pin case by described upper and lower connecting plate be spirally connected be fixed on describedThe anterior right side of guide pipe; The upper end of described grip part is provided with can control piston ejector ram, ejector piston actionTrigger gear.
The right side opening of described guide pipe is provided with the bar v notch v along guide pipe direction, described barThe dual-side of v notch v is provided with along the direction of described guide pipe and the upper bar shaped that be arranged in parallelFixed head and lower bar shaped fixed head, offer respectively correspondence on described upper and lower bar shaped fixed headScrew, the posterior medial of described guide pipe is provided with the first guide pad and second be arrangeding in parallelGuide pad.
Described catapult-launching gear includes the vertical bullet through the first guide pad and the second guide padPenetrate bar, the front end of described piston ejector ram, ejector piston is welded with stop block, and the rear portion of described piston ejector ram, ejector piston is sheathedHit pin hammer, the described pin hammer that hits comprises fixed part, hammer stem and tup, described hammer stem upperEnd face is provided with fixture block, and described tup is circular tup; The rearward end of described piston ejector ram, ejector pistonOn side, be also bolted and fixed with the pull bar that is positioned at described piston ejector ram, ejector piston left side, described pull bar withDescribed piston ejector ram, ejector piston is vertical, and the end of described pull bar is provided with ballhead.
The inside of described receipts pin case is provided with containing cavities, on the front end face of described receipts pin case, offersThere is square reception hole; Described tup front end face is positioned at the dead astern of described square reception hole;The front end face of described tup is parallel with the rear end face of described receipts pin case; Before described tupThe area of end face is greater than the area of described square reception hole.
On described piston ejector ram, ejector piston, be also arranged with the first spring, the first described spring is positioned at only describedBetween block and described the second guide pad and the two ends of the first spring withstand respectively described onlyBlock and the second guide pad.
The size and shape of described the first guide pad, the second guide pad and stop block all identical andThe part that is all formed in one, described the first guide pad, the second guide pad include circular locating pieceAnd locating piece, described stop block comprises circular locating piece and limited block; Described circle locationOn the end face of piece, offer pilot hole.
The upper surface of described grip part is provided with the first connector, the side of the first described connectorFace is provided with the first pin-and-hole; On the rear side inclined-plane of described grip part, being bolted and fixed with directive wheel installsPedestal, is provided with two directive wheels in described directive wheel installing base frame; Described grip partThe top of rear end face is provided with the limiting plate perpendicular to this face; Described trigger gear comprise trigger,Pull rope and fastener; Described trigger comprises that top cross connecting plate, bottom semicircular are horizontalConnecting plate and the left connecting rod and the right connecting rod that be arranged identical with size, described top horizontal strokeParallel with described bottom semicircular cross connecting plate to connecting plate, described left connecting rod is with rightConnecting rod is all vertical with described top cross connecting plate; The front end of described fastener includesTwo barbs that be arranged in parallel down, are provided with and are positioned at two between the two described barbs that be arranged in parallelBarbed end and perpendicular to the tourelle of two barb medial surfaces, the upper surface of described fastenerBe provided with towing plate, one end and the towing plate of described pull rope are connected and fixed, described pull ropeMiddle part be located on two directive wheels, the other end of described pull rope and top cross connecting plateBe fixedly connected with, the lower surface of described fastener is provided with the second connector, the second described companyOn the side of fitting, offer second pin-and-hole corresponding with the first described pin-and-hole, described firstConnector and described the second connector form pivot joint by latch, described fastener rear portionLower surface is provided with round boss; The upper surface of described grip part also offers vertical directionCircular mounting groove, is provided with the second spring of vertical setting in described circular mounting groove, describedThe bottom land of described circular mounting groove, the top of described the second spring are withstood in the bottom of the second springWith described round boss socket.
Described trigger gear and catapult-launching gear form linkage groups by fastener and fixture block clampingPart.
Described plate machine is installed on described limiting plate, on described limiting plate, offers symmetryThe left limit hole and the right limit hole that arrange, left connecting rod and the right connecting rod of described plate machine are worn respectivelyCross described left limit hole and right limit hole, described limiting plate and the bottom semicircular of described triggerThe edge of the parallel and described limiting plate of shape cross connecting plate is provided with special-shaped breach.
The side of described grip part is provided with finger groove, in described finger groove, is provided with anti-skidding striped.
Beneficial effect: the present invention can knock guard pin, makes it smoothly and euphroe takes offFrom time the guard pin detaching is directly received, structural design is ingenious, simple to operate.
Brief description of the drawings
Fig. 1 is the perspective view of invention.
Fig. 2 is the perspective view of the catapult-launching gear 3 of invention.
Fig. 3 is the perspective view of the receipts pin case 4 of invention.
Fig. 4 is the perspective view of the handle 1 of invention.
Fig. 5 is that the trigger 51 of invention installs 5 perspective view.
Description of reference numerals: handle 1, grip part 11, installation portion 12, the first connectors 13,Directive wheel installing base frame 14, directive wheel 15, limiting plate 16, guide pipe 2, upper bar shaped is fixedPlate 21, lower bar shaped fixed head 22, the first guide pad 23, the second guide pads 24, catapult-launching gear3, piston ejector ram, ejector piston 31, stop block 32, hits pin hammer 33, fixed part 331, hammer stem 332, tup333, fixture block 334, pull bar 34, ballhead 341, the first springs 35, receive pin case 4, onConnector 41, lower connector 42, square reception hole 43, trigger gear 5, trigger 51, topPortion's cross connecting plate 511, bottom semicircular cross connecting plate 512, left connecting rod 513, the right sideConnecting rod 514, pull rope 52, fastener 53, barb 531, tourelle 532, tractionPlate 533, the second connector 534, the second springs 535.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, the specific embodiment of the present invention is done into oneStep is described in detail:
With reference to the novel pin extraction device of one of Fig. 1~5, comprise handle 1, guide pipe 2, launchDevice 3 and receipts pin case 4, described handle 1 comprises grip part 11 and is vertical at grip partThe installation portion 12 of 11 front end face, the rear portion of described guide pipe 2 is spirally connected and is fixed on installation portionOn 12, described catapult-launching gear 3 is installed in described guide pipe 2, described receipts pin case 4Left surface on be welded with upper junction plate and the lower connecting plate perpendicular to this face, described receiptsPin case 4 is spirally connected and is fixed on the anterior of described guide pipe 2 by described upper and lower connecting plateRight side, described receipts pin case 4 is mainly used in the pin after taking out to carry out the directly effect of storage,Anti-shotpin falls and causes security incident; The upper end of described grip part 11 is provided with can control bulletPenetrate the trigger 51 that bar 31 moves and install 5; The right side opening of described guide pipe 2 is provided with along guidingManage the bar v notch v of 2 directions, the dual-side of described bar v notch v is provided with along described guidingDirection and the upper bar shaped fixed head 21 be arrangeding in parallel and the lower bar shaped fixed head 22 of pipe 2, described inUpper and lower bar shaped fixed head 22 on offer respectively corresponding screw, described guide pipe 2Posterior medial be provided with the first guide pad 23 and the second guide pad 24 that be arranged in parallel; DescribedCatapult-launching gear 3 includes the vertical piston ejector ram, ejector piston through the first guide pad 23 and the second guide pad 2431, the front end of described piston ejector ram, ejector piston 31 is welded with stop block 32, the first described guide pad 23With the second guide pad 24, described piston ejector ram, ejector piston 31 is carried out to guide effect; Described piston ejector ram, ejector piston31 rear sleeve is provided with hits pin hammer 33, and the described pin hammer 33 that hits comprises fixed part 331, hammer stem332 and tup 333, the upper surface of described hammer stem 332 is provided with fixture block 334, describedTup 333 is circular tup 333; On the side of the rearward end of described piston ejector ram, ejector piston 31, go back spiral shellConnect and be fixed with the pull bar 34 that is positioned at described piston ejector ram, ejector piston 31 left sides, described pull bar 34 withDescribed piston ejector ram, ejector piston 31 is vertical, and the end of described pull bar 34 is provided with ballhead 341, described inPull bar 34 be mainly handled easily person pull back piston ejector ram, ejector piston 31; Described receipts pin case 4Inside is provided with containing cavities, on the front end face of described receipts pin case 4, offers square reception hole 43;Described tup 333 front end faces are positioned at the dead astern of described square reception hole 43; DescribedThe front end face of tup 333 is parallel with the rear end face of described receipts pin case 4; Described tup 333The area of front end face be greater than the area of described square reception hole 43, prevent in use procedureBecause performance accuracy is inadequate, tup 333 cannot knock the front portion of pin; In use willDescribed square reception hole 43 entangles the end of pin, when described tup 333 knock pin beforePortion makes pin by described square reception hole 43 and falls in described containing cavities; Described bulletPenetrate on bar 31 and be also arranged with the first spring 35, the first described spring 35 is positioned at described backstopInstitute is withstood respectively between piece 32 and described the second guide pad 24 and two ends of the first spring 35The stop block 32 of stating and the second guide pad 24, the first described spring 35 is high strength pressureSpring; Described the first guide pad 23, the second guide pad 24 and stop block 32 size andShape is the identical and part that is all formed in one all, described the first guide pad 23, the second guide pad24 include circular locating piece and locating piece, described stop block 32 comprise circular locating piece andLimited block; On the end face of described circular locating piece, offer pilot hole; Described grip part11 upper surface is provided with the first connector 13, and the side of the first described connector 13 is provided withOne pin-and-hole; On the rear side inclined-plane of described grip part 11, be bolted and fixed with directive wheel 15 base is installedFrame 14, is provided with two directive wheels 15 in described directive wheel 15 installing base frame 14; DescribedThe top of rear end face of grip part 11 be provided with the limiting plate 16 perpendicular to this face; Described pullsMachine 51 installs 5 and comprises trigger 51, pull rope 52 and fastener 53; Described trigger 51 wrapsDraw together top cross connecting plate 511, bottom semicircular cross connecting plate 512 with big or small identical and flatLeft connecting rod 513 and right connecting rod 514 that row arranges, described top cross connecting plate 511Parallel with described bottom semicircular cross connecting plate 512, described left connecting rod 513 is with rightConnecting rod 514 is all vertical with described top cross connecting plate 511; Described fastener 53Front end include two barbs 531 that be arranged in parallel down, described two be arranged in parallel fallBetween hook 531, be provided with and be positioned at two barb 531 ends and rolling perpendicular to two barb 531 medial surfacesMoving device 532, the upper surface of described fastener 53 is provided with towing plate 533, described tractionOne end and the towing plate 533 of rope 52 are connected and fixed, and the middle part of described pull rope 52 is located atOn two directive wheels 15, the other end of described pull rope 52 and top cross connecting plate 511 are solidFixed connection, the lower surface of described fastener 53 is provided with the second connector 534, describedOn the side of the second connector 534, offer second pin-and-hole corresponding with the first described pin-and-hole,The first described connector 13 forms pivot joint with the second described connector 534 by latch,The lower surface at described fastener 53 rear portions is provided with round boss; Described grip part 11Upper surface also offers the circular mounting groove of vertical direction, is provided with perpendicular in described circular mounting grooveStraight the second spring 535 arranging, described circle is withstood in the bottom of the second described spring 535The bottom land of mounting groove, the top of described the second spring 535 and the socket of described round boss; InstituteThe trigger 51 of stating installs 5 and consists of fastener 53 and fixture block 334 clampings with catapult-launching gear 3Linkage unit; Described plate machine is installed on described limiting plate 16, described limiting plate 16On offer symmetrically arranged left limit hole and right limit hole, the left connecting rod 513 of described plate machinePass respectively described left limit hole and right limit hole, described limiting plate with right connecting rod 51416 limiting plates parallel and described with the bottom semicircular cross connecting plate 512 of described trigger 5116 edge is provided with special-shaped breach; The side of described grip part 11 is provided with finger groove, described inFinger groove in be provided with anti-skidding striped.
The concrete using method of a kind of novel pin extraction device disclosed by the invention:
Pull back pull bar 34, the first described spring 35 is exerted pressure and made described launchingBar 31 moves backward, drives the described pin hammer 33 that hits rearward to move, and the described pin that hits is hammered into shapeFixture block 334 on 33 is at the card along with described in jack-up in hitting the processes of rearward motion of pin hammer 33Fastener 53, described fixture block 334 is hooked by the barb 531 on described fastener 53, thisIndividual process is the assignment procedure before this pin extraction device uses, after setting, by described receiptsReception hole on pin case 4 is aimed at the end of the pin that will take out, and now pulls described triggerTrigger 51 in 51 devices 5, described fastener 53 is drawn under the effect of pull rope 52Play certain angle, complete the release to described fixture block 334, described fixture block 334 is releasedAfter, described catapult-launching gear 3 is triggered, and described hits 33 meetings of pin hammer along with described launchingBar 31 travels forward fast under the effect of the first described spring 35, completes the described pin that hitsThe anterior stroke of 33 pairs of pins of hammer, makes pin fast to described receipts pin case 4 interior motions,Complete the action of whole write off.
The above, be only preferred embodiment of the present invention, not to technology of the present inventionScope is made any restriction, therefore every foundation technical spirit of the present invention is done above embodimentAny trickle amendment, equivalent variations and modification, all still belong to the model of technical scheme of the present inventionIn enclosing.

Claims (10)

1. a novel pin extraction device, is characterized in that: comprise handle, guide pipe, launch dressPut and receive pin case, described handle comprises grip part and is vertical at the peace of the front end face of grip partDress portion, the rear portion of described guide pipe is spirally connected and is fixed on installation portion, described catapult-launching gear peaceBe loaded in described guide pipe, on the left surface of described receipts pin case, be welded with perpendicular to thisThe upper junction plate of face and lower connecting plate, described receipts pin case is by described upper and lower connecting plate spiral shellConnect the anterior right side of being fixed on described guide pipe; The upper end of described grip part is provided with energyControl the trigger gear of piston ejector ram, ejector piston action.
2. the novel pin extraction device of one according to claim 1, is characterized in that: described inThe right side opening of guide pipe be provided with the bar v notch v along guide pipe direction, described bar v notch vDual-side be provided with along the direction of described guide pipe and the upper bar shaped fixed head that be arranged in parallel andLower bar shaped fixed head, offers respectively corresponding screw on described upper and lower bar shaped fixed head,The posterior medial of described guide pipe is provided with the first guide pad and the second guide pad that be arranged in parallel.
3. the novel pin extraction device of one according to claim 1, is characterized in that: described inCatapult-launching gear include the vertical piston ejector ram, ejector piston through the first guide pad and the second guide pad, described inThe front end of piston ejector ram, ejector piston be welded with stop block, the rear sleeve of described piston ejector ram, ejector piston is provided with hits pin hammer,The described pin hammer that hits comprises fixed part, hammer stem and tup, and the upper surface of described hammer stem is provided withFixture block, described tup is circular tup; On the side of the rearward end of described piston ejector ram, ejector piston, go back spiral shellConnect and be fixed with the pull bar, described pull bar and described the launching that are positioned at described piston ejector ram, ejector piston left sideBar is vertical, and the end of described pull bar is provided with ballhead.
4. according to the novel pin extraction device of the one described in claim 1 or 3, it is characterized in that:The inside of described receipts pin case is provided with containing cavities, the side of offering on the front end face of described receipts pin caseShape reception hole; Described tup front end face is positioned at the dead astern of described square reception hole; DescribedThe front end face of tup and the rear end face of described receipts pin case parallel; The front end face of described tupArea be greater than the area of described square reception hole.
5. according to the novel pin extraction device of the one described in claim 2 or 3, it is characterized in that:On described piston ejector ram, ejector piston, be also arranged with the first spring, the first described spring is positioned at described stop blockAnd described stop block is withstood respectively between the second described guide pad and the two ends of the first springWith the second guide pad.
6. according to the novel pin extraction device of the one described in claim 2 or 3, it is characterized in that:The size and shape of described the first guide pad, the second guide pad and stop block is all identical and beOne-body molded, described the first guide pad, the second guide pad includes circular locating piece and fixedPosition piece, described stop block comprises circular locating piece and limited block; Described circular locating pieceOn end face, offer pilot hole.
7. the novel pin extraction device of one according to claim 1, is characterized in that: described inThe upper surface of grip part be provided with the first connector, the side of the first described connector is provided withOne pin-and-hole; On the rear side inclined-plane of described grip part, be bolted and fixed with directive wheel installing base frame, instituteTwo directive wheels are installed in the directive wheel installing base frame of stating; The rear end face of described grip partTop is provided with the limiting plate perpendicular to this face; Described trigger gear comprise trigger, pull rope andFastener; Described trigger comprise top cross connecting plate, bottom semicircular cross connecting plate andSize identical and the left connecting rod and the right connecting rod that be arranged in parallel, described top cross connecting plateParallel with described bottom semicircular cross connecting plate, described left connecting rod and right connecting rod are equalVertical with described top cross connecting plate; The front end of described fastener include down twoThe individual barb that be arranged in parallel, is provided with and is positioned at two barbed end between the two described barbs that be arranged in parallelAnd perpendicular to the tourelle of two barb medial surfaces, the upper surface of described fastener is provided with tractionPlate, one end and the towing plate of described pull rope are connected and fixed, the middle part of described pull rope acrossBe located on two directive wheels, the other end of described pull rope and top cross connecting plate are fixing to be connectedConnect, the lower surface of described fastener is provided with the second connector, the second described connectorOn side, offer second pin-and-hole corresponding with the first described pin-and-hole, the first described connectorForm pivot joint with the second described connector by latch, the lower surface at described fastener rear portionBe provided with round boss; The upper surface of described grip part also offers the circle peace of vertical directionTankage, is provided with the second spring of vertical setting, the second described bullet in described circular mounting grooveThe bottom land of described circular mounting groove is withstood in the bottom of spring, the top of described the second spring with described inRound boss socket.
8. according to the novel pin extraction device of the one described in claim 3 or 7, it is characterized in that:Described trigger gear and catapult-launching gear form linkage unit by fastener and fixture block clamping.
9. the novel pin extraction device of one according to claim 7, is characterized in that: described inPlate machine be installed on described limiting plate, on described limiting plate, offer a symmetrically arranged left sideSpacing hole and right limit hole, the left connecting rod of described plate machine and right connecting rod are respectively through describedLeft limit hole and right limit hole, described limiting plate and the bottom semicircular of described trigger laterally connectThe edge of the parallel and described limiting plate of fishplate bar is provided with special-shaped breach.
10. the novel pin extraction device of one according to claim 1, is characterized in that: instituteThe side of the grip part of stating is provided with finger groove, in described finger groove, is provided with anti-skidding striped.
CN201410461021.3A 2014-09-05 2014-09-05 Novel pin fetching device Pending CN105598903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410461021.3A CN105598903A (en) 2014-09-05 2014-09-05 Novel pin fetching device

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Application Number Priority Date Filing Date Title
CN201410461021.3A CN105598903A (en) 2014-09-05 2014-09-05 Novel pin fetching device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109330717A (en) * 2018-09-27 2019-02-15 漯河市第人民医院 A kind of turnkey

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000100543A (en) * 1998-09-24 2000-04-07 Daiichi Denshi Kogyo Kk Connector pressing-in tool
CN201086270Y (en) * 2007-10-16 2008-07-16 武汉烟草(集团)有限公司 Manual mode special chain-plate pin bar assembling-disassembling gun
CN201529971U (en) * 2009-10-09 2010-07-21 珠海天威飞马打印耗材有限公司 Pin-removing tool
CN202498505U (en) * 2012-03-14 2012-10-24 重庆康明斯发动机有限公司 Device for mounting pin
CN202540238U (en) * 2012-03-27 2012-11-21 葛洲坝集团第二工程有限公司 Pin tripper for dismounting tower crane
CN203267551U (en) * 2013-04-15 2013-11-06 杰弗里 Catapulting pen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000100543A (en) * 1998-09-24 2000-04-07 Daiichi Denshi Kogyo Kk Connector pressing-in tool
CN201086270Y (en) * 2007-10-16 2008-07-16 武汉烟草(集团)有限公司 Manual mode special chain-plate pin bar assembling-disassembling gun
CN201529971U (en) * 2009-10-09 2010-07-21 珠海天威飞马打印耗材有限公司 Pin-removing tool
CN202498505U (en) * 2012-03-14 2012-10-24 重庆康明斯发动机有限公司 Device for mounting pin
CN202540238U (en) * 2012-03-27 2012-11-21 葛洲坝集团第二工程有限公司 Pin tripper for dismounting tower crane
CN203267551U (en) * 2013-04-15 2013-11-06 杰弗里 Catapulting pen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109330717A (en) * 2018-09-27 2019-02-15 漯河市第人民医院 A kind of turnkey
CN109330717B (en) * 2018-09-27 2020-10-09 漯河市第一人民医院 Tooth extractor

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Application publication date: 20160525