CN109809342A - A kind of safety lock for elevating mechanism - Google Patents

A kind of safety lock for elevating mechanism Download PDF

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Publication number
CN109809342A
CN109809342A CN201910021673.8A CN201910021673A CN109809342A CN 109809342 A CN109809342 A CN 109809342A CN 201910021673 A CN201910021673 A CN 201910021673A CN 109809342 A CN109809342 A CN 109809342A
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CN
China
Prior art keywords
rod
pedestal
container
pair
safety lock
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Granted
Application number
CN201910021673.8A
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Chinese (zh)
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CN109809342B (en
Inventor
周思远
王昆
钱甦阳
姚万军
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.)
Yangzhou Wanfang Technology Co.,Ltd.
Original Assignee
Yangzhou Wanfang Electronic Technology Co Ltd
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Priority to CN201910021673.8A priority Critical patent/CN109809342B/en
Publication of CN109809342A publication Critical patent/CN109809342A/en
Application granted granted Critical
Publication of CN109809342B publication Critical patent/CN109809342B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of safety lock for elevating mechanism, the present invention relates to the safety protection equipment fields of elevating mechanism.Propose it is a kind of it is easy to operate, safe anti-falling effect is good, can adapt to heavy duty and does not need the safety lock that modification can be independently installed to original mechanism.The safety lock includes pedestal, the body of rod, lockable mechanism and tripping-gear, and the bottom end of the pedestal is connected with the bottom end of driving assembly, and the top of the body of rod is connected with the top of driving assembly, and the body of rod is parallel with pedestal and is threaded through the top of pedestal;The top of the pedestal is also fixedly connected with the container of the body of rod described in empty set, is evenly equipped with several latches on the body of rod two sidewalls;Safety lock in the present invention can be also directly installed in conventional elevator structure, thus also have many advantages, such as can independently installed, wide adaptation range, be easy to marketing.

Description

A kind of safety lock for elevating mechanism
Technical field
The present invention relates to the safety protection equipment fields of elevating mechanism.
Background technique
Currently, elevating mechanism in the prior art has very much, such as cylinder, hydraulic cylinder, electric pushrod, crank connecting link, intersection Arm etc. usually only relies on resistance of the elevating mechanism from stopping when and comes to mesh after object is given rise to designated position The height of mark object is locked, and can not be locked to elevating mechanism there is no special safety prevention measure, so that mesh Mark object may be damaged because falling suddenly, stability and along with a degree of security risk, and then to elevating mechanism and Safety brings strong influence.
Specifically, as shown in fig. 7, by taking transposition arm 1 as an example, usually it is arranged one between interior scissor arms and outer scissor arms Hydraulic cylinder 11, flexible by hydraulic cylinder 11 lift or transfer object to control transposition arm 1, once at this point, hydraulic station or liquid Pressure pipe road is broken down, and object will directly drop, and causes tremendous influence, in this regard, it is anti-how to carry out safety to elevating mechanism Pendant becomes those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The present invention in view of the above problems, propose it is a kind of it is easy to operate, safe anti-falling effect is good, can adapt to heavy duty and right Original mechanism does not need the safety lock that modification can be independently installed.
The technical solution of the present invention is as follows: the elevating mechanism have driving assembly, the safety lock include pedestal, the body of rod, Lockable mechanism and tripping-gear, the bottom end of the pedestal are connected with the bottom end of driving assembly, the top of the body of rod and driving The top of component is connected, and the body of rod is parallel with pedestal and is threaded through the top of pedestal;
The top of the pedestal is also fixedly connected with the container of the body of rod described in empty set, is evenly equipped on the body of rod two sidewalls several Latch;
The lockable mechanism includes tension spring and a pair of of lock pin, and a pair of of lock pin is divided into the two sides of the body of rod and is located in container, one The root of lock pin is articulated in the gap between the adjacent latch for the two sides that in container and end is against the body of rod respectively, institute The back for stating container offers a pair of of rear arc through-hole, is fixedly connected with spring stack on a side end face of the lock pin, described Spring stack is slidably connected in rear arc through-hole and extend out to outside container, and the both ends of the tension spring are respectively fixedly connected with two bullets Spring column;
The front of the container offers a pair of of front arc through-hole, and the lock pin is fixedly connected on the end face of spring stack Guide post, the guide post are slidably connected in front arc through-hole and extend out to outside container;
The tripping-gear includes handle, connecting rod, jacking block, sliding rail and a pair of of guide wheel, is hinged on pedestal in the middle part of the handle Bottom end, the top of the hinged handle in the bottom end of the connecting rod, it is outer and be located at two guiding that the sliding rail is fixedly connected on container Between column, the jacking block in up-small and down-big trapezoidal, the jacking block be slidably connected it is on the slide rail and hinged with the top of connecting rod, A pair of guide wheel is respectively hinged at that a pair of of guide post is extend out on the end outside container and a pair of of guide wheel fits in top respectively The two sides of block.
The sliding rail is parallel to the body of rod and is arranged, and the hinge joint of the handle and pedestal is in where sliding rail center line It is also fixedly connected in plane, on the pedestal close to switch, it is described close in the plane switched where being in sliding rail center line.
The lock pin is hinged by shaft and container, the center of circle and shaft where the center line of the front arc through-hole Axle center overlap, the axle center in the center of circle and shaft where the center line of the rear arc through-hole overlaps.
Safety lock can be realized between lockup state and releasing orientation by the simple operations of operator in the present invention It is switched fast, when safety lock is in releasing orientation, lifting assembly can be freely lifted, so that convenient, efficient make height Adjustment;And when safety lock is in lockup state, the body of rod will be unable to downlink, thus after effectively preventing device height adjusting There is the problem of unexpected downlink, the stable operation of mechanism has been effectively ensured, has improved safety of the lifting assembly after rise, rises The effect of security protection is arrived.
In addition, the safety lock in the present invention can be also directly installed in conventional elevator structure, it can be independent to also have Installation, is easy to the advantages that marketing at wide adaptation range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of safety lock in this case,
Fig. 2 is the perspective view of Fig. 1;
Fig. 3 is the use state of safety lock in this case with reference to figure,
Fig. 4 is the perspective view of Fig. 3,
Fig. 5 is the rearview of Fig. 3,
Fig. 6 is the structural schematic diagram of Fig. 5 removal container;
Fig. 7 is the background technique schematic diagram of this case;
1 is transposition arm in figure, and 11 be hydraulic cylinder, and 25 be safety lock, and 250 be container, and 251 be pedestal, and 2510 be to approach switch, 252 be the body of rod, and 2520 be latch, and 2531 be tension spring, and 2532 be lock pin, and 2533 be spring stack, and 2534 be guide post, and 2541 be hand Handle, 2542 be connecting rod, and 2543 be jacking block, and 2544 be sliding rail, and 2545 be guide wheel.
Specific embodiment
As shown in figs. 1-7, the elevating mechanism (as transposition arm 1) has driving assembly (as hydraulic cylinder to the present invention 11), the safety lock 25 includes pedestal 251, the body of rod 252, lockable mechanism and tripping-gear, the bottom end of the pedestal 251 and drive The bottom end of dynamic component is connected, and the top of the body of rod 252 is connected with the top of driving assembly, i.e., is locked in safety hydraulic The side of cylinder, and the both ends of safety lock and the both ends of hydraulic cylinder are connected on identical position with identical connection type, institute It is parallel with pedestal 251 and be threaded through the top of pedestal 251 to state the body of rod 252;
The top of the pedestal 251 is also fixedly connected with the container 250 of the body of rod 252 described in empty set, 252 two sidewalls of the body of rod On be evenly equipped with several latches 2520;
The lockable mechanism includes tension spring 2531 and a pair of of lock pin 2532, a pair of of lock pin 2532 be divided into the two sides of the body of rod 252 and In container 250, the root of a pair of of lock pin 2532 is articulated in container 250 and end is against the two of the body of rod 252 respectively In gap between the adjacent latch 2520 of side, the back of the container 250 offers a pair of of rear arc through-hole, the lock pin Be fixedly connected with spring stack 2533 on 2532 side end face, the spring stack 2533 be slidably connected in rear arc through-hole and It extend out to outside container 250, the both ends of the tension spring 2531 are respectively fixedly connected with two spring stacks 2533;So that without external force shadow When ringing, a pair of of lock pin is held by tension spring always, and withstands the body of rod with latch cooperation, is maintained at lockup state, is prevented body of rod downlink It bounces back into pedestal;
The front of the container 250 offers a pair of of front arc through-hole, and the lock pin 2532 is backwards to the end face of spring stack 2533 On be fixedly connected with guide post 2534, the guide post 2534 is slidably connected in front arc through-hole and extend out to container 250 Outside;
The tripping-gear includes handle 2541, connecting rod 2542, jacking block 2543, sliding rail 2544 and a pair of of guide wheel 2545, the hand The middle part of handle 2541 is hinged on the bottom end of pedestal 251, the top of the hinged handle 2541 in the bottom end of the connecting rod 2542, described Sliding rail 2544 is fixedly connected on outside container 250 and between two guide posts 2534, and the jacking block 2543 is in up-small and down-big Trapezoidal, the jacking block 2543 is slidably connected on sliding rail 2544 and hinged with the top of connecting rod 2542, a pair of guide wheel 2545 It is respectively hinged on the end that a pair of of guide post 2534 is extend out to outside container 250 and a pair of of guide wheel 2545 fits in top respectively The two sides of block 2543.In this way, when operator's rotational handle makes jacking block uplink, it can be under the influence of jacking block trapezium structure The spacing of a pair of of guide wheel is set constantly to become larger, so that a pair of of lock pin overcomes tension spring active force to strut outward, with the card on the body of rod Tooth separation, allows the body of rod and pedestal relative motion, is in releasing orientation.Hereafter, handle is inverted, so that jacking block downlink, that is, may make A pair of of lock pin is tightened under the action of tension spring and withstands the body of rod with latch cooperation, and lockup state is maintained at.
In this way, safety lock can be realized between lockup state and releasing orientation by the simple operations of operator in this case Be switched fast, when safety lock is in releasing orientation, lifting assembly can be freely lifted, thus it is convenient, efficiently make height Adjustment;And when safety lock is in lockup state, the body of rod will be unable to downlink, finish to effectively prevent device height adjusting Occur the problem of unexpected downlink afterwards, the stable operation of mechanism be effectively ensured, has improved safety of the lifting assembly after rise, Play the role of security protection.
In addition, the safety lock in the present invention can be also directly installed in conventional elevator structure, it can be independent to also have Installation, is easy to the advantages that marketing at wide adaptation range.
The sliding rail 2544 is parallel to the body of rod 252 and is arranged, and the hinge joint of the handle 2541 and pedestal 251, which is in, to be slided In plane where 2544 center line of rail, also it is fixedly connected on the pedestal 251 close to switch 2510, it is described close to switch 2510 in the plane where 2544 center line of sliding rail.Both in this way, connecting rod, handle are turned on straight line, i.e., When being in the plane where center line of guide rail, make its turn to work as operator's rotational handle for the dead point of handle rotation When moving to dead point, a pair of of lock pin may make to be maintained at releasing orientation, so that operation difficulty be greatly reduced, ensure that equipment operation Stability.At the same time, signal can also be passed to control centre close to switch, so that lifting assembly is allowed to go up and down, thus It ensure that the safety of equipment operation.
The lock pin 2532 is hinged by shaft with container 250, the circle where the center line of the front arc through-hole The axle center of the heart and shaft overlaps, and the axle center in the center of circle and shaft where the center line of the rear arc through-hole overlaps.Even if The movement for obtaining lock pin, spring stack and guide post is more stable, smooth.

Claims (3)

1. a kind of safety lock for elevating mechanism, the elevating mechanism has driving assembly, which is characterized in that the safety lock Including pedestal, the body of rod, lockable mechanism and tripping-gear, the bottom end of the pedestal is connected with the bottom end of driving assembly, the bar The top of body is connected with the top of driving assembly, and the body of rod is parallel with pedestal and is threaded through the top of pedestal;
The top of the pedestal is also fixedly connected with the container of the body of rod described in empty set, is evenly equipped on the body of rod two sidewalls several Latch;
The lockable mechanism includes tension spring and a pair of of lock pin, and a pair of of lock pin is divided into the two sides of the body of rod and is located in container, one The root of lock pin is articulated in the gap between the adjacent latch for the two sides that in container and end is against the body of rod respectively, institute The back for stating container offers a pair of of rear arc through-hole, is fixedly connected with spring stack on a side end face of the lock pin, described Spring stack is slidably connected in rear arc through-hole and extend out to outside container, and the both ends of the tension spring are respectively fixedly connected with two bullets Spring column;
The front of the container offers a pair of of front arc through-hole, and the lock pin is fixedly connected on the end face of spring stack Guide post, the guide post are slidably connected in front arc through-hole and extend out to outside container;
The tripping-gear includes handle, connecting rod, jacking block, sliding rail and a pair of of guide wheel, is hinged on pedestal in the middle part of the handle Bottom end, the top of the hinged handle in the bottom end of the connecting rod, it is outer and be located at two guiding that the sliding rail is fixedly connected on container Between column, the jacking block in up-small and down-big trapezoidal, the jacking block be slidably connected it is on the slide rail and hinged with the top of connecting rod, A pair of guide wheel is respectively hinged at that a pair of of guide post is extend out on the end outside container and a pair of of guide wheel fits in top respectively The two sides of block.
2. a kind of safety lock for elevating mechanism according to claim 1, which is characterized in that the sliding rail is parallel to institute State body of rod setting, the hinge joint of the handle and pedestal be in the plane where sliding rail center line, is also fixed on the pedestal It is connected with close to switch, it is described close in the plane switched where being in sliding rail center line.
3. a kind of safety lock for elevating mechanism according to claim 1, which is characterized in that the lock pin passes through shaft It is hinged with container, the axle center in the center of circle and shaft where the center line of the front arc through-hole overlaps, the rear arc The axle center in the center of circle and shaft where the center line of through-hole overlaps.
CN201910021673.8A 2019-01-08 2019-01-08 Safety lock for lifting mechanism Active CN109809342B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910021673.8A CN109809342B (en) 2019-01-08 2019-01-08 Safety lock for lifting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910021673.8A CN109809342B (en) 2019-01-08 2019-01-08 Safety lock for lifting mechanism

Publications (2)

Publication Number Publication Date
CN109809342A true CN109809342A (en) 2019-05-28
CN109809342B CN109809342B (en) 2020-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910021673.8A Active CN109809342B (en) 2019-01-08 2019-01-08 Safety lock for lifting mechanism

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2157174Y (en) * 1993-04-08 1994-02-23 邵孝淼 Jack
CN201560089U (en) * 2009-10-30 2010-08-25 姚真法 Safety support
CN202116229U (en) * 2011-06-21 2012-01-18 上海昆杰五金工具有限公司 Lifting jack capable of being fast lifted
CN202625769U (en) * 2012-05-08 2012-12-26 伯曼机械制造(上海)有限公司 Safety device of pneumatic type hoisting frame
CN203922093U (en) * 2014-06-10 2014-11-05 山西东杰智能物流装备股份有限公司 Lane stacker loading platform falling proof device
CN105417455A (en) * 2015-12-25 2016-03-23 安徽唐兴机械装备有限公司 Hydraulic climbing mechanism
CN206255825U (en) * 2016-11-29 2017-06-16 南通巴兰仕机电有限公司 A kind of general tripper of electromagnetic pneumatic

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2157174Y (en) * 1993-04-08 1994-02-23 邵孝淼 Jack
CN201560089U (en) * 2009-10-30 2010-08-25 姚真法 Safety support
CN202116229U (en) * 2011-06-21 2012-01-18 上海昆杰五金工具有限公司 Lifting jack capable of being fast lifted
CN202625769U (en) * 2012-05-08 2012-12-26 伯曼机械制造(上海)有限公司 Safety device of pneumatic type hoisting frame
CN203922093U (en) * 2014-06-10 2014-11-05 山西东杰智能物流装备股份有限公司 Lane stacker loading platform falling proof device
CN105417455A (en) * 2015-12-25 2016-03-23 安徽唐兴机械装备有限公司 Hydraulic climbing mechanism
CN206255825U (en) * 2016-11-29 2017-06-16 南通巴兰仕机电有限公司 A kind of general tripper of electromagnetic pneumatic

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Address after: No.96 Anlin Road, Yangzhou City, Jiangsu Province 225006

Patentee after: Yangzhou Wanfang Technology Co.,Ltd.

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Patentee before: YANGZHOU WANFANG ELECTRONIC TECHNOLOGY LLC

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