CN111039241B - Locking mechanism for vertical lifting device - Google Patents
Locking mechanism for vertical lifting device Download PDFInfo
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- CN111039241B CN111039241B CN201911070312.9A CN201911070312A CN111039241B CN 111039241 B CN111039241 B CN 111039241B CN 201911070312 A CN201911070312 A CN 201911070312A CN 111039241 B CN111039241 B CN 111039241B
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- locking
- locking mechanism
- sliding block
- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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Abstract
The invention relates to the technical field of safety mechanisms in lifting devices, and discloses a locking mechanism for a vertical lifting device, which comprises an upright post structure, wherein the outer surface of the upright post structure is movably clamped with the inner wall of a sliding block mechanism, the locking mechanism is movably clamped between the inner wall of the sliding block mechanism and one side of the outer surface of the upright post structure, and the top of one side of the locking mechanism is movably connected with one side of the outer part of the sliding block mechanism through a movable connecting rod. This a locking mechanism for vertical lift device, through the setting of locking rack and locking tooth piece, utilize the mode of gear joint to come the locking mechanism of dying, when falling suddenly in the face of locking mechanism, can in time effectual locking mechanism of dying prevent that it from continuing the tenesmus, can effectual dispersion locking mechanism produced huge impact force when falling suddenly, guaranteed security and reliability of locking mechanism when falling produced huge impact force suddenly in the face of locking mechanism among this vertical lift device.
Description
Technical Field
The invention relates to the technical field of safety mechanisms in lifting devices, in particular to a locking mechanism for a vertical lifting device.
Background
The locking mechanism is applied to a lifting device and can lock a lifting carriage body in time in order to deal with emergency situations, the prior locking mechanism adopts a pin shaft or a clamping type locking mode at present to prevent the lifting carriage body from suddenly dropping, when facing a carriage body which suddenly falls, huge impact force can be intensively acted on a specific structure on the locking mechanism, so that the instantaneous impact force applied to the carriage body is larger, the phenomenon that the lifting carriage body continues to fall due to fracture and damage is easy to occur, and great potential safety hazard exists, and current locking mechanism is after the lock is dead, is difficult to automatic unblock, need utilize other jacking equipment with the railway carriage or compartment body lifting to a section height after, just can artificial release the locking action, controls comparatively loaded down with trivial details, needs relevant maintainer to ascend a height the operation moreover, and is great to maintainer's danger.
Disclosure of Invention
Technical problem to be solved
The invention provides a locking mechanism for a vertical lifting device, which has the advantages of reducing impact damage to the locking mechanism, having better structural stability, automatically realizing unlocking action of the locking mechanism, eliminating locking action without ascending a height of related workers and having higher safety, and solves the problems that the existing locking mechanism adopts a pin shaft or clamping locking mode, when facing a compartment body which suddenly falls, huge impact force can be intensively acted on a specific structure on the locking mechanism, so that the instant impact force is larger, the phenomenon that the lifting compartment body continues to fall due to fracture damage is easy to occur, great potential safety hazard exists, the existing locking mechanism is difficult to automatically unlock after being locked, and the locking action can be artificially eliminated after the compartment body is lifted to a section of height by other lifting equipment, the operation is more complicated, and the related maintenance personnel are required to ascend, so that the danger to the maintenance personnel is high.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a locking mechanism for vertical lift device, includes stand structure, slider mechanism and locking mechanism, the surface of stand structure and the inner wall activity joint of slider mechanism, the activity joint has locking mechanism between one side of the inner wall of slider mechanism and stand structure surface, and the top of locking mechanism one side is through movable connecting rod and the outside one side swing joint of slider mechanism.
Preferably, the stand structure includes the fixed stay, the direction spout has all been seted up at the middle part of both sides around the fixed stay, the inside of fixed stay right side recess is equipped with the locking rack, and the height of locking rack is the same with the degree of depth of fixed stay upper groove.
Preferably, the slider mechanism includes the slider cover frame, the inside of slider cover frame cup joints with the surface activity of fixed stay, and the inside left side fixed mounting of slider cover frame has the locking tooth piece, the equal activity of both sides has cup jointed movable guide pulley around the inside of slider cover frame, and the inside right side of slider cover frame is equipped with the slope structure.
Preferably, locking mechanism is including supporting even board, the middle part fixed mounting who supports even board top has elastic sleeve, elastic sleeve's top fixed mounting pulls even piece, and pulls even both ends of piece and all pin-jointed locking connecting rod, the other end pin-jointed wedge fixture block of locking connecting rod, the outer wall of wedge fixture block and the inside inclined plane joint of slider cover frame, one side on locking connecting rod top is through movable connecting rod and the outside one side swing joint of slider cover frame, and one side of locking connecting rod bottom and one side pin-joint of supporting even board top.
Preferably, one side of the locking connecting rod, which is in pin joint with the traction connecting block, is provided with a kidney-shaped hole.
(III) advantageous effects
The invention has the following beneficial effects:
1. this a locking mechanism for vertical lift device, setting through locking rack and locking tooth piece, the mode that utilizes the gear joint comes the locking mechanism of dying, when falling suddenly in the face of locking mechanism, can in time effectually lock the locking mechanism of dying and prevent that it continues the tenesmus, compare with the mode of current round pin axle or joint locking, can effectual dispersion locking mechanism produced huge impact force when falling suddenly, make huge impact force can not concentrate on a certain department, and then the effectual impact damage that has reduced whole locking mechanism, the security and the reliability of locking mechanism when falling produced huge impact force suddenly in the face of locking mechanism among this vertical lift device have been ensured.
2. This a locking mechanism for vertical lift device, through the setting of locking connecting rod and wedge fixture block, when drawing even piece and receiving to draw through lever principle, the wedge fixture block that can be automatic drive is located the locking connecting rod other end slides down, in order to ensure when drawing locking mechanism and upwards removing, can not take place the dead phenomenon of automatic locking, take place the trouble at drive mechanism or haulage rope simultaneously and maintain after accomplishing, utilize to draw even piece ascending traction force can realize this locking mechanism automatic unlocking action and need not artificial going to remove the locking action, and then improved the reliability of this locking mechanism when using.
3. This a locking mechanism for vertical lift device, through the setting that is equipped with slope structure and wedge fixture block exterior structure to the inside right side of slider stock, the link gear's of cooperation activity connecting rod setting, locking rack on the locking tooth piece chucking fixed stay that can be timely when the locking moves, and when the unblock moves, locking rack is loosened to drive locking tooth piece that again can be timely, whole action is controlled by the traction force that draws even piece and receive, make whole structure control simple, it is convenient nimble.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a slider mechanism according to the present invention;
FIG. 3 is a schematic structural view of the locking mechanism of the present invention;
fig. 4 is a schematic structural view of the lock link of the present invention.
In the figure: 1. a column structure; 11. fixing a strut; 12. a guide chute; 13. a locking rack; 2. a slider mechanism; 21. a slide block sleeve frame; 22. a locking tooth block; 23. a movable guide wheel; 3. a locking mechanism; 31. supporting the connecting plate; 32. an elastic sleeve; 33. drawing the connecting block; 34. a locking connecting rod; 35. a wedge-shaped fixture block; 4. a movable connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a locking mechanism for a vertical lifting device comprises a column structure 1, a slider mechanism 2 and a locking mechanism 3, wherein the outer surface of the column structure 1 is movably clamped with the inner wall of the slider mechanism 2, the locking mechanism 3 is movably clamped between the inner wall of the slider mechanism 2 and one side of the outer surface of the column structure 1, and the top of one side of the locking mechanism 3 is movably connected with one side of the outer part of the slider mechanism 2 through a movable connecting rod 4.
In this technical scheme, stand structure 1 includes fixed stay 11, and guide chute 12 has all been seted up at the middle part of both sides around the fixed stay 11, and the inside of fixed stay 11 right side recess is equipped with locking rack 13, and locking rack 13's the degree of depth the same with fixed stay 11 upper groove.
Among this technical scheme, slider mechanism 2 includes slider cover frame 21, and the inside of slider cover frame 21 cup joints with the surface activity of fixed stay 11, and the inside left side fixed mounting of slider cover frame 21 has locking tooth piece 22, and the equal activity in both sides has cup jointed movable guide 23 around the slider cover frame 21 is inside, and the inside right side of slider cover frame 21 is equipped with the slope structure.
Wherein, to the setting of locking rack 13 and locking tooth piece 22, the mode that utilizes the gear joint comes the locking mechanism 3 of dying, when falling suddenly in the face of locking mechanism 3, can in time effectual locking mechanism 3 of dying prevent that it from continuing to descend, and the locking power of whole device is great and the stability of structure is better, compare with the mode of current round pin axle or joint locking, can effectual dispersion locking mechanism 3 produced huge impact force when falling suddenly, make huge impact force can not concentrate on a certain department, and then the effectual impact damage who reduces whole locking mechanism, the security and the reliability of locking mechanism when falling produced huge impact force suddenly in the face of locking mechanism 3 in this vertical lift device have been ensured.
Among this technical scheme, locking mechanism 3 is including supporting even board 31, support the middle part fixed mounting who links board 31 top and have elastic sleeve 32, elastic sleeve 32's top fixed mounting pulls even piece 33, and the both ends of pulling even piece 33 all pin-jointed have locking connecting rod 34, locking connecting rod 34's other end pin-jointed has wedge fixture block 35, wedge fixture block 35's outer wall and the inside inclined plane joint of slider set frame 21, movable connecting rod 4 and the outside one side swing joint of slider set frame 21 are passed through to one side on locking connecting rod 34 top, and one side of locking connecting rod 34 bottom and the one side pin-jointed on supporting even board 31 top.
Wherein, through elastic sleeve 32's setting, break down or the haulage rope takes place cracked in the twinkling of an eye at drive mechanism, owing to pull even piece 33 and lost ascending traction force, under the thought use of elastic sleeve 32 elasticity, can drive and pull even quick downstream of piece 33, and then under the effect of the lever principle of locking connecting rod 34, drive wedge fixture block 35 rebound and utilize locking tooth piece 22 chucking and lock locking rack 13 and continue the tenesmus in order to prevent locking mechanism 3, and utilize lever principle to make elastic sleeve 32 can produce great locking extrusion force to slider stock 21, further improvement this locking mechanism's stability and reliability.
Wherein, to the setting of locking connecting rod 34 and wedge fixture block 35, when drawing even piece 33 and receiving to draw through lever principle, can be automatic drive be located the wedge fixture block 35 of locking connecting rod 34 other end and slide downwards to ensure when drawing locking mechanism 3 upwards to remove, can not take place the dead phenomenon of automatic locking, simultaneously after traction mechanism or haulage rope take place the trouble and maintain the completion, utilize and draw even piece 33 ascending traction force can realize the automatic unblock action of this locking mechanism and need not artificial going to remove the locking action, and then improved the security of this locking mechanism when using.
In the technical scheme, a waist-shaped hole is formed in one side of the locking connecting rod 34, which is in pin joint with the traction connecting block 33.
The waist-shaped hole on one side of the locking connecting rod 34 is arranged to ensure that enough movable space is provided for driving the other end of the locking connecting rod 34 to move upwards when the traction connecting block 33 slides downwards under the elastic action of the elastic sleeve 32, so that the phenomenon that the traction connecting block 33 is blocked and the locking mechanism 3 which falls cannot be locked due to too small rotating space is avoided.
The use method and the working principle of the embodiment are as follows:
firstly, the top of the traction connecting block 33 is connected with a traction device by using a traction rope, meanwhile, a support shelf is arranged at the bottom of the support connecting plate 31 for placing goods, then the traction device is started to drive the traction connecting block 33 to move upwards, under the action of the lever principle of the locking connecting rod 34, the wedge-shaped clamping blocks 35 at two sides of the traction connecting block can be driven to slide downwards, meanwhile, under the action of the transmission connecting rod of the movable connecting rod 4, two groups of sliding block sleeve frames 21 can be driven to move outwards respectively, so that the locking tooth block 22 in the sliding block sleeve frames is separated from the locking rack 13 in the fixed supporting column 11, the unlocking action of the locking mechanism is completed, the bottom of the wedge-shaped clamping block 35 can be effectively propped by using the support connecting plate 31, effective supporting force is provided for the wedge-shaped clamping block 35, the wedge-shaped clamping block 35 is prevented from deforming under continuous pressure, and the parallel state between, will not generate extrusion friction with it, and the movable guide wheel 23 can move vertically upwards along the fixed support post 11 under the action of the vertical guide of the guide chute 12 on the fixed support post 11, so as to effectively reduce the friction force between the sliding block sleeve frame 21 and the fixed support post 11, so as to lift the goods to the required height, when the traction mechanism is in failure or the traction rope is broken, because the traction connecting block 33 loses the upward traction force, under the action of the elastic force of the elastic sleeve 32, the traction connecting block 33 can be driven to move downwards rapidly, and further under the action of the lever principle of the locking connecting rod 34, the wedge-shaped fixture block 35 can be driven to move upwards rapidly, and at the same time, the sliding block sleeve frame 21 can be driven to move inwards under the action of the wedge extrusion of the wedge-shaped fixture block 35, so as to drive the locking tooth block 22 inside the sliding block sleeve frame 21 to clamp the locking rack 13 inside the fixed support post 11, the locking action of the locking mechanism 3 is completed to prevent the locking mechanism from continuously falling, the stability is high, the locking force is high, after the traction device or the traction maintenance is completed, the traction connecting block 33 is applied with traction force again to drive the traction connecting block 33 to move upwards so as to complete the unlocking action of the locking mechanism, the locking action does not need to be manually released, and the safety and the stability are high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A locking mechanism for vertical lifting device, includes stand structure (1), slider mechanism (2) and locking mechanism (3), its characterized in that: the outer surface of the stand structure (1) is movably connected with the inner wall of the sliding block mechanism (2), the stand structure (1) comprises a fixed support column (11), guide chutes (12) are formed in the middle of the front side and the rear side of the fixed support column (11), a locking rack (13) is arranged inside a groove in the right side of the fixed support column (11), the height of the locking rack (13) is equal to the depth of the groove in the fixed support column (11), a locking mechanism (3) is movably connected between the inner wall of the sliding block mechanism (2) and one side of the outer surface of the stand structure (1) in a clamping mode, the sliding block mechanism (2) comprises a sliding block sleeve frame (21), the inner portion of the sliding block sleeve frame (21) is movably connected with the outer surface of the fixed support column (11), a locking tooth block (22) is fixedly arranged on the left side of the inner portion of the sliding block sleeve frame (21), movable guide wheels (23) are movably connected, the right side inside the sliding block sleeve frame (21) is provided with an inclined structure, the top of one side of the locking mechanism (3) is movably connected with one side outside the sliding block mechanism (2) through a movable connecting rod (4), the locking mechanism (3) comprises a supporting connecting plate (31), an elastic sleeve (32) is fixedly arranged in the middle of the top end of the supporting connecting plate (31), the top end of the elastic sleeve (32) is fixedly provided with a traction connecting block (33), and two ends of the traction connecting block (33) are respectively connected with a locking connecting rod (34) by a pin, the other end of the locking connecting rod (34) is connected with a wedge-shaped clamping block (35) by a pin, the outer wall of the wedge-shaped fixture block (35) is clamped with the inclined surface in the slide block sleeve frame (21), one side of the top end of the locking connecting rod (34) is movably connected with one side of the outer part of the sliding block sleeve frame (21) through a movable connecting rod (4), and one side of the bottom end of the locking connecting rod (34) is in pin joint with one side of the top end of the supporting connecting plate (31).
2. A lock mechanism for a vertical lift device according to claim 1, wherein: one side of the locking connecting rod (34) which is in pin joint with the traction connecting block (33) is provided with a waist-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070312.9A CN111039241B (en) | 2019-11-05 | 2019-11-05 | Locking mechanism for vertical lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070312.9A CN111039241B (en) | 2019-11-05 | 2019-11-05 | Locking mechanism for vertical lifting device |
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| Publication Number | Publication Date |
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| CN111039241A CN111039241A (en) | 2020-04-21 |
| CN111039241B true CN111039241B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070312.9A Active CN111039241B (en) | 2019-11-05 | 2019-11-05 | Locking mechanism for vertical lifting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112719998B (en) * | 2020-12-24 | 2022-04-22 | 广东普拉迪科技股份有限公司 | Clamp capable of moving freely |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070728U (en) * | 1989-12-08 | 1991-02-06 | 山西省长治市故漳矿机配件厂 | Anti-fall cam type safety device for mining elevator |
| CN200985231Y (en) * | 2006-12-15 | 2007-12-05 | 王瑞琪 | Energy-storage capsizing-proof dropping-proof device |
| JP5394776B2 (en) * | 2009-03-03 | 2014-01-22 | 株式会社コシハラ | Construction lift safety device |
| CN206783052U (en) * | 2017-05-11 | 2017-12-22 | 山东科技大学 | A kind of residential lift lift car anti-falling device |
| CN110203792B (en) * | 2019-06-21 | 2020-03-27 | 台州市椒江预提自动化设备有限公司 | Safe stopping equipment of building construction material lifting machine |
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| CN111039241A (en) | 2020-04-21 |
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Effective date of registration: 20210331 Address after: 215000 788 Jinshe Road, Jinjiaba community, Lili Town, Wujiang District, Suzhou City, Jiangsu Province Applicant after: Jiangsu Jiutian intelligent parking equipment Co.,Ltd. Address before: 545000 Room 401, 50 Luochi Road, Chengzhong District, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant before: Qiu Hui |
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