CN101948059B - Anti-dropping device of lifting equipment - Google Patents
Anti-dropping device of lifting equipment Download PDFInfo
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- CN101948059B CN101948059B CN 201010267773 CN201010267773A CN101948059B CN 101948059 B CN101948059 B CN 101948059B CN 201010267773 CN201010267773 CN 201010267773 CN 201010267773 A CN201010267773 A CN 201010267773A CN 101948059 B CN101948059 B CN 101948059B
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Abstract
The invention provides an anti-dropping device of lifting equipment, which comprises an anti-dropping trigger mechanism and an anti-dropping mechanism which are adjacent and matched with each other on a lifting body which can move up and down, wherein the anti-dropping trigger mechanism is provided with a trigger body which can be matched with the lifting body in an up-down displacement manner through an oriented positioning structure fixed on the lifting body, a pulling structure connected with lifting and pulling equipment is arranged on the trigger body, a trigger spring is arranged between the trigger body and the lifting body, and a transmission arm and an anti-dropping ejector arm are sequentially hinged and matched with the anti-dropping mechanism; the anti-dropping mechanism is internally provided with a seat body with a through cavity, and an anti-dropping support structure which is stably supported through the through cavity of the seat body and the lifting body simultaneously; and the upper part of the through cavity of the seat body is of a taper reducing structure, and a movable wedge which can be contacted with the anti-dropping ejector arm in the anti-dropping trigger mechanism and pushed to move upwards for locking the seat body and the support structure in a wedging manner is arranged between the taper reducing structure and the support structure in a clearance fit manner. The anti-dropping device can rapidly and effectively prevent the lifting body dropping by accident, thus ensuring construction, production or operation safety.
Description
Technical field
The present invention relates to a kind of falling proof device that prevents the jacking equipment accidental falling.
Background technology
Prevent elevator machinery, jacking equipment (such as the attached lifting scaffold in the building operation etc.) accidental falling, guarantee that construction operation safety and operation are used to give birth to safety, be elevator machinery industry research and the important topic of wishing to break through solution always.
In Chinese patent CN2316303Y, the inventor had once proposed a kind of disconnected rope anti-fall device of vertical-lifting mechanical, its basic structure and principle are to adopt in the moment that meets accident and fall, and hook the bracing frame that closes on by the anti-fall hook that discharges, and reach to stop the purpose of falling.Because when falling in elevator machinery and the jacking equipment, the running orbit of this anti-fall hook is definite not, and lifting body all has very large quality usually, the impact energy that moment produces when falling is quite huge, in the anti-fall process to the hook and bracing frame all be destructive, not only hook and/or bracing frame are difficult to repeated usage, in case and the shock of a fall energy surpassed the limit of bearing of this anti-fall hook, still be difficult to avoid the generation of falling accident.
Summary of the invention
For above-mentioned situation, the invention provides all falling proof devices of higher jacking equipment of a kind of safety and reliability.
The falling proof device of jacking equipment of the present invention, its structure include under by the pulling down equipment operating and can do on the lifting body of dipping and heaving, the anti-fall trigger mechanism and the falling stop body that arrange and cooperate in adjacent mode, wherein:
In the anti-fall trigger mechanism, have one to trigger body through being fixed in guiding-positioning structure on the lifting body matching with lifting body along the mode of direction of improvement upper and lower displacement, lifting body is used for being arranged on the triggering body with the stretching structure of pulling down equipment connection, triggering between body and lifting body and be provided with the triggering spring, through the first stud connection one transmission arm is arranged at the triggering body region that can match with falling stop body, its free end is through the middle part of the second stud connection in the falling stop pushing arm, lower end the 3rd hinge of falling stop pushing arm is connected with lifting body, and the upper end contacts with movable wedge set in the falling stop body and can make pushing tow and cooperates;
In the falling stop body, the pedestal that inside is provided with the up/down perforation cavity is fixed on the lifting body, be provided with a falling stop supporting construction that is solidly supported in perforation cavity and the lifting body mode that runs through simultaneously pedestal, connect the top of cavity in the pedestal for be the structure of tapering undergauge to direction suitable for reading, below its conical surface, be combined with the supporting construction gap that an opening by pedestal wall section can contact with the falling stop pushing arm in the above-mentioned anti-fall trigger mechanism and thrusting action under, between the tapering undergauge structure of present intracoelomic cavity body and supporting construction with the movable wedge set of its wedging locking.
In the above-mentioned falling proof device, the triggering body in the said anti-fall trigger mechanism can be arranged on the top position of lifting body, also can be arranged on the lower position of lifting body.The top position that wherein is arranged on lifting body is more convenient, is a kind of optimal way.
In the said structure, guiding-positioning structure in said this anti-fall trigger mechanism, can adopt the at present variety of ways such as the existing guide rail that uses, guide groove, wherein a kind of simpler mode can be adopted as one or many pilot bars that be arranged in parallel along the setting of lifting body lifting direction.
Triggering spring in the above-mentioned anti-fall trigger mechanism, purpose are for when normally lifting descending operation, can make to trigger between body and lifting body and can mutually suitably separate along this guide frame, and force this triggering spring to be in stressed state.Therefore should trigger spring and both can be the compression spring, also can be drawing spring.Wherein to adopt the compression spring as preferred, can make structure more simple.For example, one can be for reference embodiment in, when guiding-positioning structure adopted the root pilot bar that arranges along lifting body lifting direction, this triggering spring can be adopted as the compression spring that is nested with on this pilot bar.And, the triggering body in the said anti-fall trigger mechanism no matter be arranged on lifting body above or below, all to adopt the compression spring more simple and convenient.
Falling stop supporting construction in the above-mentioned falling proof device in the said falling stop body is to stop the important feature of falling, and is used for tissue and supports and carry this lifting body that firmly falls.Said being solidly supported comprises can by direct firm support on ground, also can being to be solidly supported in corresponding building or the first-class various ways of building body both.
Further, for improving anti-fall effect, in above-mentioned falling stop body pedestal, structure place at the tapering undergauge of the supporting construction opposite side relative with this activity wedge set, can also connect or be provided with the auxiliary chock of making free-running fit with supporting construction, to cooperate with movable wedge set, jointly improve and the wedging latching force of reinforcement and supporting construction.
Test shows, when the moment that lifting body meets accident and falls, be that triggering body in the above-mentioned falling proof device is when losing the hoisting force of jacking equipment, suffered compressing power when triggering spring and also having lost immediately normal lifting, its elastic-restoring force make former be in immediately to draw close with lifting body downwards with the separated triggering body of lifting body contact, and its this immediately downward motion has also driven the connecting arm that connects thereon simultaneously and has moved downward, and promote the falling stop pushing arm that its free end connects, the latter is swung to the outer lower side around the hinge of its below, and and then promote to be adjacent movable wedge set in the falling stop body of setting, make it be affixed to the falling stop supporting construction.Because this falling stop supporting construction firmly is held on ground or the building actionless, and pedestal that should activity wedge set place is to be fixed on to glide rapidly on the lifting body that falls, therefore its relative motion just can make movable wedge set immediately tapering undergauge structure and the mutual wedging of supporting construction of pedestal inner chamber body be locked, thereby also immediately effectively stop and avoided lifting body to continue, avoid accident to occur, guaranteed the safety that construction, production or operation is used.When the whole attached lifting scaffold that particularly synchronously manipulation arranges in flakes in the diverse location Heave Here respectively by some jacking equipments in such as building operation descends operation, when accidental falling appears in a certain Heave Here, the above-mentioned falling proof device of the present invention not only can stop rapidly falling of this accident lifting body, can also make the normal lifting body of other each Heave Here also in succession start falling proof device rapidly and stop action, realize synchro control, avoid generation or the continuity of more serious accident, further guaranteed safety.
Below in conjunction with the specific embodiment by the accompanying drawing illustrated embodiment, foregoing of the present invention is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.Do not breaking away from the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Description of drawings
Fig. 1 is the structural representation of the stereoscopic-state of falling proof device of the present invention.
Fig. 2 is the structural representation of the longitudinal profile of Fig. 1 device.
Fig. 3 is the view before the anti-fall startup of Fig. 2 device.
Fig. 4 is the structure for amplifying schematic diagram of the local A in Fig. 3 device.
Fig. 5 is the view after the anti-fall startup of Fig. 2 device.
Fig. 6 is the structure for amplifying schematic diagram of the local A in Fig. 5 device.
The specific embodiment
The falling proof device of jacking equipment of the present invention illustrated in figures 1 and 2 includes anti-fall trigger mechanism A and the falling stop body B two parts of adjacent setting and cooperation on the lifting body 1 that can do dipping and heaving under by the pulling down equipment operating.Wherein:
Anti-fall trigger mechanism A: guiding-positioning structure 3, the one metal frame postures that are fixed with many (among the figure being four) guide-localization rod-pulling types above lifting body 1 trigger body 2 and match with lifting body 1 making suitable mode apart from upper and lower displacement along direction of improvement through this guiding-positioning structure 3.The stretching structure 7 that pulling down equipment (electric block etc.) is used for the appropriate forms such as suspension ring of drive lifting body 1 lifting is arranged on triggering body 2 tops.At the top 6 of each guiding-positioning structure 3 that is fixed in lifting body 1 and trigger between the body 2, be equipped with respectively compression and trigger spring 4, and be nested with the position at this spring 4 of guiding-positioning structure 3 and be provided with corresponding outer tube 5.Match with falling stop body B and unify the position of side triggering body 2, be connected through the end of the first hinge 8 with a transmission arm 9, its another free end then is connected in the middle part of a falling stop pushing arm 16 through the second hinge 10; Lower end the 3rd hinge 15 of this falling stop pushing arm 16 is located by connecting with lifting body 1, and the upper end then contact with movable wedge set 11 among the falling stop body B and can do the pushing tow cooperation;
Among the falling stop body B, there is an inside to be provided with the pedestal 13 and above-mentioned triggering body 2 adjacent being fixedly installed on the lifting body 1 of up/down perforation cavity, wherein has perforation cavity once pedestal 13 to run through simultaneously this pedestal 13 and lifting body 1 and the supporting construction 12 of the forms such as the falling stop strut bar of be solidly supported on the ground (or being supported on the adjacent firm building or building body), post.The top of these pedestal 13 interior perforation cavitys, for be the structure 14 of tapering undergauge to direction suitable for reading, below its conical surface and between this supporting construction 12, be combined with a movable wedge set 11 that can contact with this falling stop pushing arm 16 among the anti-fall trigger mechanism A by the opening of pedestal 13 corresponding side wall portions in the gap mode, at structure 14 places of the supporting construction relative with it 12 opposite side tapering undergauges, also be connected with one in modes such as welding and make the auxiliary chock 18 of free-running fit with supporting construction 12.In anti-fall process, this activity wedge set 11 can be adjacent to by these falling stop pushing arm 16 pushing tows supporting construction 12 and under the tapering undergauge structure 14 of these pedestal 13 inner chamber body and auxiliary chock 18 cooperate, and with its mutual wedging locking, the continuation that reaches prevention lifting body 1 is fallen downwards between the supporting construction 12.
Fig. 3 and Fig. 4 are the normal conditions when above-mentioned falling proof device does not start in normal lifting process.When jacking equipment rises by the stretching structure 7 pulling lifting bodies 1 on the triggering body 2 among the anti-fall trigger mechanism A, triggering body 2 is also upwards moved along guiding-positioning structure 3, trigger between body 2 and the lifting body 1 and maintain space 17 (as shown in Figure 3), also compression triggers spring 4 and makes it to be in compressed state simultaneously.Move on the triggering body 2 and drive simultaneously transmission arm 9, reclaim by the second hinge 10 pulling falling stop pushing arms 16, make its pushing end break away from falling stop body B in movable wedge set 11 contact cooperation, this activity wedge set 11 does not also contact with supporting construction 12, does not affect the normal vertical motion of lifting body.
Fig. 5 and Fig. 6 are lifting bodies at the falling stop state that meets accident when falling that moment, above-mentioned falling proof device was activated.When falling, the stretching structure 7 that triggers on the body 2 has lost the power that normally lifts that makes progress, after this triggering spring 4 that is in confined state under the former normal condition also loses compressive force, the elastic acting force that discharges immediately can immediately promote to trigger body 2 and move down by triggering the space 17 between body 2 and the lifting body 1.Trigger moving down of body 2 and drive simultaneously transmission arm 9 and move down, and promote falling stop pushing arms 16 by the second hinge 10, make its pushing end enter the cavity in the pedestal 13 among the falling stop body B, contact with this activity wedge set 11 and push supporting construction 12 to, the two is adjacent to mutually; Pedestal 13 moves down along supporting construction 12 among the falling stop body B and the while of falling of lifting body 1 has also driven, and this tapering undergauge structure 14 of pedestal 13 upper oral parts is also immediately contacted with the cooperation inclined-plane of this activity wedge set 11, and 14 on this tapering undergauge structure of supporting construction 12 and pedestal 13 upper oral parts is locked by these activity wedge set 11 wedgings immediately, can't continue to glide and fall.
Claims (7)
1. the falling proof device of jacking equipment is characterized in that being included in anti-fall trigger mechanism (A) and falling stop body (B) by the upper adjacent setting of the lifting body (1) that can do dipping and heaving under the pulling down equipment operating and cooperation, wherein:
In the anti-fall trigger mechanism (A), have one to trigger body (2) through being fixed in guiding-positioning structure (3) on the lifting body (1) matching with lifting body (1) along the mode of direction of improvement upper and lower displacement, lifting body (1) is used for being arranged on triggering body (2) with the stretching structure (7) of pulling down equipment connection, triggering between body (2) and lifting body (1) and be provided with triggering spring (4), be connected with a transmission arm (9) at triggering body (2) position first hinge (8) that can match with falling stop body, its free end is connected in the middle part of falling stop pushing arm (16) through the second hinge (10), lower end the 3rd hinge (15) of falling stop pushing arm (16) is connected with lifting body (1), and the upper end contacts with movable wedge set (11) in the falling stop body (B) and can make pushing tow and cooperates;
In the falling stop body (B), the pedestal (13) that inside is provided with the up/down perforation cavity is fixed on the lifting body (1), be provided with a falling stop supporting construction (12) that is solidly supported in perforation cavity and lifting body (1) mode that runs through simultaneously pedestal (13), connect the top of cavity in the pedestal (13) for be the structure (14) of tapering undergauge to direction suitable for reading, below its conical surface with supporting construction (12) gap be combined with an opening by pedestal (13) wall section can contact with the falling stop pushing arm (16) in the anti-fall trigger mechanism (A) and thrusting action under, between the tapering undergauge structure (14) of pedestal (13) inner chamber body and supporting construction (12), with the movable wedge set (11) of its wedging locking, locate to be provided with the auxiliary chock (18) of making free-running fit with supporting construction (12) in the structure (14) of the tapering undergauge of supporting construction (12) opposite side relative with movable wedge set (11).
2. the falling proof device of jacking equipment as claimed in claim 1 is characterized in that the triggering body (2) in the said anti-fall trigger mechanism (A) is arranged on the top position of lifting body (1).
3. the falling proof device of jacking equipment as claimed in claim 1 is characterized in that at least one piece pilot bar of guiding-positioning structure (3) for arranging along lifting body (1) lifting direction in the said anti-fall trigger mechanism (A).
4. the falling proof device of jacking equipment as claimed in claim 1 is characterized in that the triggering spring (4) in the said anti-fall trigger mechanism (A) is the compression spring.
5. the falling proof device of jacking equipment as claimed in claim 3 is characterized in that the triggering spring (4) in the said anti-fall trigger mechanism (A) is the compression spring that is nested with on said pilot bar.
6. such as the falling proof device of the described jacking equipment of one of claim 1 to 5, it is characterized in that falling stop supporting construction (12) in the said falling stop body (B) by firm support on ground.
7. such as the falling proof device of the described jacking equipment of one of claim 1 to 5, it is characterized in that falling stop supporting construction (12) in the said falling stop body (B) by firm support on building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010267773 CN101948059B (en) | 2010-08-31 | 2010-08-31 | Anti-dropping device of lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010267773 CN101948059B (en) | 2010-08-31 | 2010-08-31 | Anti-dropping device of lifting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN101948059A CN101948059A (en) | 2011-01-19 |
| CN101948059B true CN101948059B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010267773 Active CN101948059B (en) | 2010-08-31 | 2010-08-31 | Anti-dropping device of lifting equipment |
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| CN (1) | CN101948059B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493637B (en) * | 2011-12-08 | 2014-04-02 | 中冶建工集团有限公司 | Pre-tightening and protecting linkage device for anti-dropping wedge of scaffold |
| CN105384031A (en) * | 2015-11-27 | 2016-03-09 | 雄宇集团无锡电梯安装技术有限公司 | Weightlessness type lock rail triggering mechanism |
| CN107884169B (en) * | 2017-11-07 | 2019-12-24 | 叶豪 | Torque and rotating speed measuring device for anti-falling safety device |
| CN109179142A (en) * | 2018-09-26 | 2019-01-11 | 苏州骏捷升降机械科技有限公司 | A kind of guide tracked lift work Platform Machinery brake gear |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316303Y (en) * | 1997-10-13 | 1999-04-28 | 苏茂兵 | Parachute for vertical lifting machinery |
| CN201241462Y (en) * | 2008-08-04 | 2009-05-20 | 南通英雄建筑安装工程有限公司 | Anti-falling device of electric elevating scaffold raising mechanism |
| CN201761989U (en) * | 2010-08-31 | 2011-03-16 | 四川华山建筑有限公司 | Anti-falling device of lifting equipment |
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| CN101948059A (en) | 2011-01-19 |
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Owner name: SU MAOBING Free format text: FORMER OWNER: SICHUAN HUASHAN CONSTRUCTION CO., LTD. Effective date: 20140626 |
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Effective date of registration: 20140626 Address after: 610051 No. seven, No. 10, No. two, two East Ring Road, Chengdu, Sichuan, 12 Patentee after: Su Maobing Address before: 610051 No. seven, No. 10, No. two, two East Ring Road, Chengdu, Sichuan, 12 Patentee before: Sichuan Huashan Construction Co., Ltd. |
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Application publication date: 20110119 Assignee: Yibin Xulong Energy Saving Technology Co.,Ltd.|Yibin Shunhui Construction Machinery Co.,Ltd. Assignor: SICHUAN HUASHAN CONSTRUCTION Co.,Ltd.|Su Maobing|Su Quanyun|Su Siyue Contract record no.: X2021510000018 Denomination of invention: Anti falling device of lifting equipment Granted publication date: 20130102 License type: Common License Record date: 20210611 |