CN106517023B - A kind of safety lock of aerial platform - Google Patents
A kind of safety lock of aerial platform Download PDFInfo
- Publication number
- CN106517023B CN106517023B CN201611112177.6A CN201611112177A CN106517023B CN 106517023 B CN106517023 B CN 106517023B CN 201611112177 A CN201611112177 A CN 201611112177A CN 106517023 B CN106517023 B CN 106517023B
- Authority
- CN
- China
- Prior art keywords
- block
- clamp block
- safety lock
- aerial platform
- triggering
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
-
- 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
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of safety lock of aerial platform, the more than one clamp system of hoist cable clamping will be guided by realizing including the trigger mechanism for generating clamping signal and according to clamping signal；The clamp system includes left clamp block, right clamp block, movable clamping block, drawing piece and supporting element, the left clamp block and right clamp block gap are arranged on the supporting element, and the gap between the left clamp block and right clamp block passes through and is gradually reduced, the movable clamping block is movably arranged between the left clamp block and right clamp block, and the drawing piece is connected between the movable clamping block and trigger mechanism.The configuration of the present invention is simple, movement is safe and reliable, easy to install and use, the service life is long, even if in safety lock when some impurity, also can guarantee there is reliable braking and locking, it is applied on aerial platform, the safety that can ensure that high altitude operation, preferably solves the deficiencies in the prior art.
Description
Technical field
The present invention relates to a kind of apply to be used to prevent hoist cable in lifting process on aerial platform, due to the rope that breaks
Or the safety lock of aerial platform falling accident generation is rapidly dropped and makes, belong to high-altitude working safety protection technology field.
Background technique
With the development of Science and Technology, high altitude operation has become a kind of normality, including the use of aerial platform such as wind
Electrical Control elevator or aerial work basket carry out the transport of goods and materials, personnel, finishing, construction, cleaning of external walls of building etc..But nothing
How advanced by aerial platform, how mature worker operation technical ability is, and high-rise working is an extremely hazardous job always,
Therefore the security protection for carrying out high-rise working, is an extremely important job.
High altitude operation major accident includes rapidly dropping suddenly for aerial platform, and the consequence of this accident is very tight
Weight, therefore unexpected drop of aerial platform is prevented to be to ensure that the important link of high-altitude working safety, associated safety prevention
Facility also just becomes high-rise working necessary equipment, and disconnected rope type safety lock is the first first choice.
Currently, the safety lock that high-rise working uses both at home and abroad mainly has swing arm and two kinds centrifugal, both safety locks
Triggering part and clamping part are all assembled in together, can not solve the application being oriented on hoist cable that band determines rope sling, both
Safety lock can not reach while detect the working condition of two kinds of hoist cables, and the bore of both safety locks is fixed,
Being necessarily mounted on the hoist cable of adaptation could apply, and meticulous hoist cable can not lock, and excessively thick hoist cable can not pass through lock body again, lead to
It is not easy to install and be safeguarded with property difference.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of structure is simple, movement is safe and reliable, adaptable, general
Property is good, can ensure that the safety lock of the aerial platform of high-altitude working safety.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of safety of aerial platform
Lock, it is characterised in that: realized including the trigger mechanism for generating clamping signal and according to clamping signal by guiding hoist cable folder
Tight more than one clamp system；
The clamp system includes left clamp block, right clamp block, movable clamping block, drawing piece and supporting element, the left side
Clamp block and right clamp block gap are arranged on the supporting element, and the gap between the left clamp block and right clamp block is from one
The other end is held to be gradually reduced, the movable clamping block is movably arranged between the left clamp block and right clamp block, described to lead
Draw piece is connected between the movable clamping block and trigger mechanism.
Further, the gap between the left clamp block and right clamp block is in a rectangular trapezoid, the movable clamping block
It is in a rectangular trapezoid.
Further, it is provided with sliding slot on the left clamp block or right clamp block, is provided with sliding block in the movable clamping block,
The movable clamping block is slidably arranged on the left clamp block or right clamp block by the cooperation of sliding block and sliding slot.
Further, the trigger mechanism includes support shaft, the triggering pivoted arm being rotatably arranged in the support shaft, rotation
The more than one sheave that is arranged in the support shaft and be rotatably arranged on the sheave more than one get rid of block, institute
It states drawing piece to connect with the triggering pivoted arm, return springs is connected on the triggering pivoted arm, described get rid of is connected with receipts on block
Tight elastic component, when the revolving speed of the sheave reaches setting value, it is described get rid of block overcome it is described tightening elastic component elastic force throw away and
It is engaged with the triggering pivoted arm, and stirs the triggering pivoted arm rotation.
Further, the triggering pivoted arm is in U-shape, and the triggering pivoted arm is rotatably arranged on the support with its both ends end
On axis, the sheave and the block that gets rid of thereon are located between the both ends end of the triggering pivoted arm.
Further, the quantity of sheave is two, and traction suspension rope and Safety sling rope are wound around respectively on two sheaves.
Further, the quantity for getting rid of block on the sheave is two, and block is got rid of described in two centered on the support shaft
Be centrosymmetric distribution, and block is got rid of described in two and shares a tightening elastic component.
Further, the return springs and tightening elastic component are spring.
Further, the cross section of the clamping face of the movable clamping block and the left clamp block or right clamp block includes circle
Arc, multi-section-line, curve, file point, topping, irregular file dot, any one that arc is in conjunction with multi-section-line or arc is in conjunction with arc.
The present invention also provides a kind of safety lock systems of aerial platform, including carrier and the high altitude operation
The safety lock of device, the carrier are connected on traction suspension rope by elevator, the safety lock of the aerial platform
Trigger mechanism be fixed at the position of corresponding traction suspension rope of the carrier, the folder of the safety lock of the aerial platform
Tight mechanism is fixed on the side of the carrier.
The invention has the benefit that
The configuration of the present invention is simple, movement is safe and reliable, easy to install and use, the service life is long, even if some impurity in safety lock
When, it also can guarantee there is reliable braking and locking, be applied on aerial platform, can ensure that the safety of high altitude operation,
Preferably solve the deficiencies in the prior art, great application value has a vast market foreground.
Trigger mechanism of the present invention may be implemented to concentrate triggering, i.e. aerial platform or cage body installs multiple clamp systems
When, it can concentrate and guarantee aerial platform or cage to realize movement while multiple clamp systems with a trigger mechanism
The level of body avoids tilting, while considerably increasing the reliability of safety lock.This is that other type safety locks are unable to reach.
In addition, the also adaptable feature strong, versatility is good of the present invention, a kind of specification just adapts to various different thicknesses
With the braking requirement of the hoist cable of shape (including various different rail mounteds), and simple, easy to maintain, low production cost is made,
It is thus great to have application value, it has a vast market foreground.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the trigger mechanism in one embodiment of the invention (when not triggering).
Fig. 2 is the structural schematic diagram of the clamp system in one embodiment of the invention (when not operating).
The state diagram of trigger mechanism when Fig. 3 is the disconnected rope of aerial platform or hypervelocity tenesmus in one embodiment of the invention.
The state diagram of clamp system when Fig. 4 is the disconnected rope of aerial platform or hypervelocity tenesmus in one embodiment of the invention.
Fig. 5 is the left view of Fig. 1.
The cross-sectional view of clamp system in Fig. 6 one embodiment of the invention.
The label of each component in attached drawing are as follows: 1 gets rid of block, 2 sheaves, 3 drawing pieces, 4 triggering pivoted arms, 5 support shafts, 6 tightening elasticity
Part, 7 pin shafts, 8 Safety sling ropes, 9 traction suspension ropes, 10 supporting elements, 11 left clamp blocks, 12 right clamp blocks, 13 movable clamping blocks, 14 are led
Draw hoist cable, 15 attachment devices, 16 return springs.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings:
Referring to Fig. 1, Fig. 2 and Fig. 5.
The safety lock of the aerial platform of one embodiment of the invention, including the trigger mechanism for generating clamping signal
The more than one clamp system that clamps of hoist cable 14 will be guided with realizing according to clamping signal；
The clamp system includes left clamp block 11, right clamp block 12, movable clamping block 13, drawing piece 3 and supporting element
10, the left clamp block 11 and right clamp block 12 are arranged at intervals on the supporting element 10, and the left clamp block 11 and right folder
Gap between pincers block 12, which passes through, to be gradually reduced, and the movable clamping block 13 is movably arranged on the left clamp block
Between 11 and right clamp block 12, the drawing piece 3 is connected between the movable clamping block 13 and trigger mechanism.
The triggering pivoted arm that in the present embodiment, the trigger mechanism includes support shaft 5, is rotatably arranged in the support shaft 5
4, it the more than one sheave 2 that is rotatably arranged in the support shaft 5 and is rotatably arranged on the sheave 2 by pin shaft 7
It is more than one get rid of block 1, the drawing piece 3 is connect with the triggering pivoted arm 4, is connected with reset bullet on the triggering pivoted arm 4
Property part 16, it is described get rid of be connected on block 1 tightening elastic component 6, it is described to get rid of 1 gram of block when the revolving speed of the sheave 2 reaches setting value
The elastic force for taking the tightening elastic component 6 throws away and engages with the triggering pivoted arm 4, and stirs the triggering pivoted arm 4 and rotate.It is this
Trigger mechanism, sensitive, triggering quickly, effectively, and woth no need to electric power or presets various parameters, only leans on high altitude operation
Though device turns sheave as disconnected rope or not disconnected rope but the hypervelocity tenesmus of the aerial platform as caused by various uncertain factors
Speed is accelerated and is triggered, so that aerial platform be made to lock, can play disconnected rope and hypervelocity two kinds of protective effects of downslide.
In the present embodiment, supporting element 10 selects plate-type structural piece；Drawing piece 3 selects bracing wire, and trigger signal is transmitted in bracing wire
To clamp system, securely and reliably；Return springs 16 and tightening elastic component 6 select spring.It is easier to make in this way, and
It is easy to use.
In use, supporting element 10 by the attachment devices such as bolt or rivet 15 or can be weldingly fixed on aerial platform
On, guiding hoist cable 14 is applied in vertically among left clamp block 11 and right clamp block 12, between left clamp block 11 and right clamp block 12
Gap be gradually reduced from top to bottom, drawing piece 3 upwards, trigger mechanism on the aerial platform outer wall, traction suspension rope 9 around
It is located on sheave 2, sheave 2 can be rotated around support shaft 5, and getting rid of block 1 can rotate around pin shaft 7, and pin shaft 7 and support shaft 5 are relative eccentrics
, in normal operation, aerial platform at the uniform velocity moves up and down, and drives sheave 2 also at the uniform velocity to operate, at this moment 2 turns of sheave
Speed is lower, trigger mechanism will not be caused to act.
The revolving speed of sheave 2 and the movement speed of hoist cable are directly proportional, i.e. a reduction of speed of the revolving speed of sheave 2 and aerial platform
Spend directly proportional, when the traction suspension rope 9 of aerial platform is broken, and primary safety lock fails, aerial platform declines
Speed can increase suddenly, the faster rotational speed of sheave 2, when reaching the speed of setting, the block 1 that gets rid of on sheave 2 overcomes tightening bullet
Property part 6 pulling force be flared out and throw away, triggering pivoted arm 4 is caught on, triggering pivoted arm 4 is driven to rotate together, referring to Fig. 3, in this way touching
Hair pivoted arm 4 pulls movable clamping block 13 to move upwards by drawing piece 3, referring to fig. 4, so that guiding hoist cable 14 is gradually clamped, and this
When guiding hoist cable 14 and movable clamping block 13 and left clamp block 11 and right clamp block 12 generate frictional force, in the effect of frictional force
Under, guiding hoist cable 14 pulls on movable clamping block 13, and movable clamping block 13 is made the more to draw the more tight, and guiding hoist cable 14 is stuck, directly
It is lockked to hoist cable will be guided, aerial platform is made to stop tenesmus movement, achieve the purpose that lock aerial platform.
After dangerous situation exclusion, only device need to be made into high-altitude with traction suspension rope and improve slightly upwards, traction suspension rope is just
It will drive sheave to rotate backward, triggering pivoted arm made to be restored to the position before not triggering, bracing wire is unclamped, and movable clamping block 13 is guiding
Under the collective effect of hoist cable and gravity, it is restored to releasing orientation.Aerial platform can work normally at this time.
Safety lock setting trigger mechanism and clamp system, and be tied by drawing piece 3, utilize movable clamping block 13
In left clamp block 11 and right 12 intermediary movements of clamp block, achievees the purpose that make hoist cable clamping or separated, disconnected Suo Hechao can be played
Speed two kinds of protective effects of downslide.
Referring to Fig. 5, in the present embodiment, the quantity of sheave 2 is two, and traction suspension rope 9 and Safety sling rope 8 are wound around two respectively
On a sheave 2.The Safety sling rope 8 of the traction suspension rope 9 of aerial platform and primary safety lock in this way divides with two sheaves 2
It is not tied, aerial platform moves up and down, and Safety sling rope 8 and traction suspension rope 9 can also move therewith, i.e. two sheaves
It rotates with it, trigger mechanism can perceive the movement velocity of Safety sling rope 8 and traction suspension rope 9, i.e., under perception aerial platform
The speed of pendant, even if traction suspension rope 9 and Safety sling rope 8 have one to break, another can equally work, therefore either draw
Hoist cable is broken, or the failure of primary safety lock can play a protective role, it is ensured that break rope in traction suspension rope 9, and primary peace
Full lock fail again in the case where locking, also can guarantee Safety sling rope 8 break rope when aerial platform high speed tenesmus when lock
It is fixed, play the role of dual fail-safe.
In the present embodiment, the quantity for getting rid of block 1 on the sheave 2 is two, and block 1 is got rid of described in two with the support shaft 5
Centered on be centrosymmetric distribution, block 1 is got rid of described in two and shares a tightening elastic component 6, namely the both ends of tightening elastic component 6 are divided
It is got rid of described in not being connected to two on block 1.It designs, triggers relatively reliable and quick in this way.
In the present embodiment, the gap between the left clamp block 11 and right clamp block 12 is in a rectangular trapezoid, the activity folder
Tight block 13 is also in a rectangular trapezoid.The medial surface that left clamp block 11 is illustrated in figure is vertical plane, and the medial surface of right clamp block 12 is oblique
The left side in face, movable clamping block 13 is vertical plane, and right side is inclined-plane, and guiding hoist cable 14 is applied in right clamp block 12 and activity
Between gripping block 13.It designs in this way, clamping face is larger, and movable clamping block 13 is easy to touch, and realizes quick, reliable locking
Effect.
In specific implementation, it is provided with sliding slot on the left clamp block 11 or right clamp block 12, is set in the movable clamping block 13
It is equipped with sliding block, the movable clamping block 13 is slidably arranged in the left clamp block 11 or right clamp by the cooperation of sliding block and sliding slot
On block 12.
In the present embodiment, the triggering pivoted arm 4 is in U-shape, and the triggering pivoted arm 4 is rotatably arranged on described with its both ends end
In support shaft 5, the sheave 2 and the block 1 that gets rid of thereon are located between the both ends end of the triggering pivoted arm 4.This structure
Triggering pivoted arm 4 it is structurally reasonable, it is easy for installation, and catch on and drive rotation convenient for being got rid of block 1.
Referring to Fig. 6, in the present embodiment, clamping face a, b's of the movable clamping block 13 and the left clamp block 11 is transversal
Face includes circular arc, multi-section-line, curve, file point, topping, irregular file dot, arc is in conjunction with multi-section-line or arc is in conjunction with arc
Any one.
As a preferred technical solution, clamping face a, b's of movable clamping block 13 and the left clamp block 11 is transversal
Face figure includes any one of ellipse, round, polygon and combinations thereof.
In the present embodiment, the cross section of the clamping face of the movable clamping block 13 and the left clamp block 11 is formed with anti-skidding
Line is used for increasing friction force, improves clamping force.
Each axis carries out chromium plating process in the present invention, and the parts such as sheave, triggering pivoted arm, clamp block carry out zinc-plated antirust treatment,
Accomplish non-maintaining requirement.
Using the application method of safety lock of the present invention, be the bracing wire end of clamp system is upward, be fixedly mounted on the height
Any one clearing bearing (horizontal direction, inclined direction) is designed on the outer wall of idle job device or according to demander, is illustrated in figure
The guiding hoist cable of the aerial platform is applied in vertically among the left clamp block and gripping block of the safety lock.
This part also provides a kind of safety lock system of aerial platform, including carrier and the high altitude operation
The safety lock of device, the carrier are connected on traction suspension rope by elevator, the safety lock of the aerial platform
Trigger mechanism be fixed at the position of corresponding traction suspension rope of the carrier, the folder of the safety lock of the aerial platform
Tight mechanism is fixed on the side of the carrier.
When it is implemented, the cage body of cuboid can be made in carrier, elevator setting is in top of the cage body, high altitude operation dress
The trigger mechanism for the safety lock set fixes top of the cage body, and the clamp system of the safety lock of aerial platform can be two
More than, it is separately fixed at each side of cage body.
Compared with prior art, the present invention has following progress:
(1) the configuration of the present invention is simple, part pass through preservative treatment, safeguard without running check, even if having in safety lock
A little impurity also can guarantee there is reliable braking and locking.
(2) present invention only leans on aerial platform to keep triggering pivoted arm dynamic due to disconnected rope or quick tenesmus woth no need to electric power
Make, the clamp block of clamp system is driven to move, locking guides hoist cable, and brake safe is reliable.
(3) present invention braking is sensitive, and braking distance is moderate, can not only prevent the unexpected disconnected rope pendant of aerial platform
It falls, also can avoid injuring caused by equipment and personnel due to emergency brake.
(5) present invention is applied to the guiding hoist cable of aerial platform, moreover it is possible to as the guiding facility of aerial platform,
Keep its operation more steady comfortable.
(6) trigger mechanism in the present invention is made of two sets of independent centrifugal slider devices, therefore either high-altitude is made
The traction suspension rope of industry device is broken suddenly or decrease speed is too fast, can be played a protective role.
(7) since safety lock provided by the invention is novel in design, structure is simple, reliable operation, low in cost therefore great
Promotional value, and have a vast market foreground.
(8) trigger mechanism of the invention may be implemented to concentrate triggering, i.e. aerial platform or cage body installs multiple clampings
When mechanism, it can concentrate and guarantee aerial platform to realize movement while multiple clamp systems with a trigger mechanism
Or the level of cage body, it avoids tilting, while considerably increasing the reliability of safety lock.This is that other type safety locks are unable to reach
's.
It should be understood that example as described herein and embodiment are not intended to restrict the invention, this field only for explanation
Technical staff can make various modifications or variation according to it, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of safety lock of aerial platform, it is characterised in that: including for generating clamping signal trigger mechanism and
The more than one clamp system of hoist cable (14) clamping will be guided by being realized according to clamping signal；
The clamp system includes left clamp block (11), right clamp block (12), movable clamping block (13), drawing piece (3) and branch
Support member (10), the left clamp block (11) and right clamp block (12) are arranged at intervals on the supporting element (10), and the left folder
Gap between pincers block (11) and right clamp block (12), which passes through, to be gradually reduced, movable clamping block (13) activity
It is arranged between the left clamp block (11) and right clamp block (12), the drawing piece (3) is connected to the movable clamping block
(13) between trigger mechanism；
The trigger mechanism includes support shaft (5), the triggering pivoted arm (4) being rotatably arranged on the support shaft (5), rotation setting
In the more than one sheave (2) on the support shaft (5) and be rotatably arranged on the sheave (2) more than one get rid of
Block (1), the drawing piece (3) connect with the triggering pivoted arm (4), are connected with return springs on the triggering pivoted arm (4)
(16), described get rid of is connected with tightening elastic component (6) on block (1), described to get rid of when the revolving speed of the sheave (2) reaches setting value
Block (1) overcomes the elastic force of tightening elastic component (6) to throw away and engage with the triggering pivoted arm (4), and stirs the triggering and turn
Arm (4) rotation.
2. the safety lock of aerial platform as described in claim 1, it is characterised in that: the left clamp block (11) and the right side
Gap between clamp block (12) is in a rectangular trapezoid, and the movable clamping block (13) is also in a rectangular trapezoid.
3. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the left clamp block (11)
Or sliding slot is provided on right clamp block (12), sliding block is provided on the movable clamping block (13), the movable clamping block (13) is logical
The cooperation for crossing sliding block and sliding slot is slidably arranged on the left clamp block (11) or right clamp block (12).
4. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the triggering pivoted arm (4) is in
U-shaped, the triggering pivoted arm (4) be rotatably arranged on the support shaft (5) with its both ends end, the sheave (2) and thereon
Described get rid of block (1) is located between the both ends end of triggering pivoted arm (4).
5. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the quantity of sheave (2) is two
A, traction suspension rope (9) and Safety sling rope (8) are wound around respectively on two sheaves (2).
6. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: getting rid of on the sheave (2)
The quantity of block (1) is two, and block (1) is got rid of described in two and is centrosymmetric centered on the support shaft (5) distribution, described in two
It gets rid of block (1) and shares a tightening elastic component (6).
7. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the return springs
(16) and tightening elastic component (6) is spring.
8. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the sheave (2), described
Pivoted arm (4), the left clamp block (11), the right clamp block (12) and the movable clamping block (13) is triggered to prevent by zinc-plated
Rust processing.
9. the safety lock of aerial platform as claimed in claim 1 or 2, it is characterised in that: the movable clamping block
(13) and the cross section of the clamping face of the left clamp block (11) or right clamp block (12) includes multi-section-line, curve, file point, file
Any one of tooth, arc in conjunction with multi-section-line.
10. a kind of safety lock system of aerial platform, it is characterised in that: including appointing in carrier and claim 1 to 9
The safety lock of aerial platform described in one, the carrier are connected on traction suspension rope by elevator, the high-altitude
The trigger mechanism of the safety lock of apparatus for work is fixed at the position of corresponding traction suspension rope of the carrier, the high altitude operation
The clamp system of the safety lock of device is fixed on the side of the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112177.6A CN106517023B (en) | 2016-12-02 | 2016-12-02 | A kind of safety lock of aerial platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112177.6A CN106517023B (en) | 2016-12-02 | 2016-12-02 | A kind of safety lock of aerial platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106517023A CN106517023A (en) | 2017-03-22 |
| CN106517023B true CN106517023B (en) | 2019-03-22 |
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ID=58341982
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611112177.6A Expired - Fee Related CN106517023B (en) | 2016-12-02 | 2016-12-02 | A kind of safety lock of aerial platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN106517023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081279B (en) * | 2018-09-12 | 2024-04-02 | 珠海格力智能装备有限公司 | Locking mechanism and cargo carrying structure with same |
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| US4106753A (en) * | 1975-07-30 | 1978-08-15 | Europe-Levage Manutention (Elma) | Automatic anti-fall device for power-driven lifting machinery |
| CN87208368U (en) * | 1987-05-26 | 1988-02-03 | 中国建筑科学研究院建筑机械化研究所 | Safety device for elevator for rope breaking |
| CN2092579U (en) * | 1991-06-20 | 1992-01-08 | 北京市建筑工程研究所 | Fallproof device of gondola |
| CN201703934U (en) * | 2010-05-31 | 2011-01-12 | 武汉凯锐机械制造有限公司 | Centrifugal fling block type speed-limiting anti-falling safety device |
| CN202379555U (en) * | 2011-12-10 | 2012-08-15 | 江阴市路达机械制造有限公司 | Centrifugal triggering type safety lock |
| CN104590307A (en) * | 2015-02-04 | 2015-05-06 | 辽宁工程技术大学 | Rope breakage safety protection device for mining car of inclined shaft |
| CN105731319A (en) * | 2016-04-29 | 2016-07-06 | 上海东悍风电设备有限公司 | Safety lock for high-altitude operation device and use method of safety lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575062B (en) * | 2009-05-18 | 2011-05-11 | 杭州沪宁电梯配件有限公司 | Asymmetric progressive safety gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106753A (en) * | 1975-07-30 | 1978-08-15 | Europe-Levage Manutention (Elma) | Automatic anti-fall device for power-driven lifting machinery |
| CN87208368U (en) * | 1987-05-26 | 1988-02-03 | 中国建筑科学研究院建筑机械化研究所 | Safety device for elevator for rope breaking |
| CN2092579U (en) * | 1991-06-20 | 1992-01-08 | 北京市建筑工程研究所 | Fallproof device of gondola |
| CN201703934U (en) * | 2010-05-31 | 2011-01-12 | 武汉凯锐机械制造有限公司 | Centrifugal fling block type speed-limiting anti-falling safety device |
| CN202379555U (en) * | 2011-12-10 | 2012-08-15 | 江阴市路达机械制造有限公司 | Centrifugal triggering type safety lock |
| CN104590307A (en) * | 2015-02-04 | 2015-05-06 | 辽宁工程技术大学 | Rope breakage safety protection device for mining car of inclined shaft |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106517023A (en) | 2017-03-22 |
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