CN106430025B - A kind of disconnected rope type safety lock - Google Patents
A kind of disconnected rope type safety lock Download PDFInfo
- Publication number
- CN106430025B CN106430025B CN201611100006.1A CN201611100006A CN106430025B CN 106430025 B CN106430025 B CN 106430025B CN 201611100006 A CN201611100006 A CN 201611100006A CN 106430025 B CN106430025 B CN 106430025B
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- China
- Prior art keywords
- pivoted arm
- clamping
- safety lock
- locker
- type safety
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Classifications
-
- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
Include generating the trigger mechanism of clamping signal by traction suspension rope tension and being realized according to clamping signal that the more than one clamp system of hoist cable clamping will be guided the invention discloses a kind of disconnected rope type safety lock；The clamp system includes support element, drawing piece, left locker, right locker and at least two clamping pivoted arms, the clamping pivoted arm rotation is fixed on the support element, the left locker and right locker are respectively hinged at least two clamping pivoted arms, and the left locker and right locker constitute parallelogram connection-rod with the arbitrary two clamping pivoted arms, the drawing piece is connected between any one or two clamping pivoted arm and trigger mechanism described above.The configuration of the present invention is simple, action is safe and reliable, easy for installation, service life is long, even if can guarantee there is reliable braking and locking if in safety lock when some impurity, it is applied on aerial platform, the safety that can ensure that working at height, preferably solves the deficiencies in the prior art.
Description
Technical field
The present invention relates to a kind of disconnected rope type safety locks, apply on aerial platform, for preventing hoist cable from being promoted
Journey, the accident for making aerial platform fall due to disconnected rope occur.
Background technology
With the development of Science and Technology, working at height 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 ripe 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.
Working at height 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 is taken precautions against
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
The application that band determines the guiding hoist cable of rope sling can not be all solved, and the bore of both safety locks is fixed, it is necessary to install
It could be applied on the hoist cable of adaptation, meticulous hoist cable can not lock, and excessively thick hoist cable can not pass through lock body again, and poor universality is not
It is easily installed and safeguards.
Invention content
Technical problem to be solved by the invention is to provide a kind of simple in structure, action is safe and reliable, adaptable, general
Property is good, can ensure that the disconnected rope type safety lock of high-altitude working safety.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of disconnected rope type safety lock, including rely on
Traction suspension rope tension generate clamping signal trigger mechanism and realized according to clamping signal will guide hoist cable clamp one with
On clamp system；
The clamp system includes support element, drawing piece, left locker, right locker and at least two clamping pivoted arms, institute
It states clamping pivoted arm rotation to be fixed on the support element, the left locker and right locker are respectively hinged at least two folders
On tight pivoted arm, and the left locker and right locker constitute parallelogram connection-rod with the arbitrary two clamping pivoted arms, described
Drawing piece is connected between any one or two clamping pivoted arm and trigger mechanism described above.
Further, the trigger mechanism includes triggering pivoted arm, idler wheel and elastic component, the drawing piece and the triggering
Pivoted arm connects, and the idler wheel rotation is fixed on the position of the triggering pivoted arm contacted with traction suspension rope, the elastic component and institute
Triggering pivoted arm connection is stated, for making the triggering pivoted arm generate the rotation trend of tension drawing piece.
Further, the support element is plate-type structural piece.
Further, the drawing piece is bracing wire.
Further, the clamping pivoted arm is V-shaped, and opening angle is more than 90 degree, one end rotation for clamping pivoted arm
It is fixed on the support element, the drawing piece is connected to the other end for clamping pivoted arm.
Further, the left locker is hinged on the middle part for clamping pivoted arm, and the right locker is hinged on the clamping
In one half portion of the close drawing piece of pivoted arm.
Further, the triggering pivoted arm is also V-shaped, and opening angle, also greater than 90 degree, the idler wheel rotation is fixed on
One end of the triggering pivoted arm, the drawing piece and elastic component are connected to the middle part opposite sides of the triggering pivoted arm.
Further, the elastic component is spring.
Further, the cross section of the clamping face of the left locker and right locker include circular arc, multi-section-line, curve, it is trapezoidal,
File point, topping, irregular topping shape, arc are combined with multi-section-line or arc is combined with arc any one.
It is described the present invention also provides a kind of disconnected rope type safety lock system, including carrier and the disconnected rope type safety lock
Carrier is connected to by elevator on traction suspension rope, and the trigger mechanism of the disconnected rope type safety lock is fixed on the corresponding of the carrier
At the position of traction suspension rope, the clamp system of the disconnected rope type safety lock is fixed on the side of the carrier.
Beneficial effects of the present invention are embodied in：
The configuration of the present invention is simple, action is safe and reliable, easy for installation, 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 working at height,
It preferably solves the deficiencies in the prior art, is a kind of safety device of aerial platform great popularization.
Trigger mechanism of the present invention may be implemented that triggering, i.e. aerial platform or cage body is concentrated to install multiple clamp systems
When, it can concentrate with a trigger mechanism, be acted while to realize multiple clamp systems, ensure aerial platform or cage
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, and make it is simple, it is easy to maintain, thus great application value, there is wide city
Field foreground.
Description of the drawings
Fig. 1 is the structural schematic diagram of the clamp system in one embodiment of the invention (when not operating).
Fig. 2 is the structural schematic diagram of the trigger mechanism in one embodiment of the invention (when not triggering).
Fig. 3 is the state of the trigger mechanism in one embodiment of the invention when aerial platform traction suspension rope is broken suddenly
Figure.
Fig. 4 is the state of the clamp system in one embodiment of the invention when aerial platform traction suspension rope is broken suddenly
Figure.
Fig. 5 is the cross-sectional view of the left locker and right locker in one embodiment of the invention.
In attached drawing the label of each component be：1 traction suspension rope, 2 idler wheels, 4 triggering pivoted arms, 5 drawing pieces, 6 elastic components, 8 supports
Part, 10 clamp pivoted arm, 11 left lockers, 12 right lockers, 14 guiding hoist cables, { 3；7；9；13 } axis pin.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
Referring to Fig. 1 and Fig. 2.
The disconnected rope type safety lock of one embodiment of the invention includes the triggering that clamping signal is generated by 1 tension of traction suspension rope
It mechanism and is realized according to clamping signal and will guide the more than one clamp system that clamps of hoist cable 14；
The clamp system includes that support element 8, drawing piece 5, left locker 11, right locker 12 and at least two clampings turn
Arm 10, the clamping pivoted arm 10 rotation are fixed on the support element 8, the left locker 11 and right locker 12 be respectively hinged to
On few two clamping pivoted arms 10, and the left locker 11 and right locker 12 and the arbitrary two 10 equal structures of clamping pivoted arm
At parallelogram connection-rod, the drawing piece 5 is connected to any one or two clamping pivoted arm 10 and trigger mechanism described above
Between.
In the present embodiment, the trigger mechanism includes triggering pivoted arm 4, idler wheel 2 and elastic component 6, the drawing piece 5 and institute
It states triggering pivoted arm 4 to connect, the idler wheel 2 rotates the position contacted with traction suspension rope 1 for being fixed on the triggering pivoted arm 4, described
One end of elastic component 6 is connect with the triggering pivoted arm 4, and the rotation for making the triggering pivoted arm 4 generate tension drawing piece 5 becomes
Gesture.This trigger mechanism, is active in one's movements, and triggering quickly, effectively, and woth no need to electric power or pre-sets various brake parameters,
The disconnected rope of aerial platform is only leaned on to trigger, traction suspension rope loses tension, to make triggering part trigger, tenses drawing piece 5, makes
The clamping pivoted arm 10 of clamp system rotates, and left and right locker clamps intermediate hoist cable, achievees the purpose that lock aerial platform.
Certainly, the present invention can also make its locking or relieving with separate type centrifugation triggering device by bracing wire, form structure
The speed limit type safety lock of separation.
In the present embodiment, support element 8 selects plate-type structural piece；Drawing piece 5 selects bracing wire；Elastic component 6 selects spring.In this way
It is easier to make, and easy to use.
In the present embodiment, the clamping pivoted arm 10 is V-shaped, and opening angle is more than 90 degree, described to clamp the one of pivoted arm 10
End is fixed on by the rotation of high-strength pin 9 on the support element 8, and axis pin 9 is fixed on support element 8, and the drawing piece 5 connects
In the other end for clamping pivoted arm 10,10 opening up arrangement of pivoted arm is clamped；The left locker 11 passes through the axis pin that is rigidly connected
13 are hinged on the middle part for clamping pivoted arm 10, and the right locker 12 is hinged on the clamping pivoted arm by the axis pin 13 that is rigidly connected
10 half portion close to the drawing piece 5.
In the present embodiment, the triggering pivoted arm 4 is also V-shaped, and opening angle, also greater than 90 degree, the rotation of the idler wheel 2 is solid
It is scheduled on one end of the triggering pivoted arm 4, it is opposite that the drawing piece 5 with elastic component 6 is connected to the triggering middle part of pivoted arm 4
Both sides.It clamps pivoted arm 10 and triggering pivoted arm 4 is designed to the above structure, angle motion is sensitiveer, also more light and handy, and to peace
Holding position is of less demanding, and limitation is few.
In use, support element 8 can be bolted, rivet or be weldingly fixed on aerial platform, guide
Hoist cable 14 is applied in vertically among left locker 11 and right locker 12, and drawing piece 5 is upward, and triggering pivoted arm 4 is fixed on height by axis pin 7
The side of idle job device, triggering pivoted arm 4 can be swung along axis pin 7, idler wheel 2 can be rolled along traction suspension rope 1, elastic component 6 it is another
End is fixed on aerial platform, and when traction suspension rope 1 promotes aerial platform, traction suspension rope 1 is tensioned, and at this moment traction is hung
The tension that rope 1 generates overcomes the elastic force of elastic component 6 that triggering pivoted arm 4 is rotated in the counterclockwise direction, and drawing piece 5 is made to unclamp, to
The pulling force of clamping pivoted arm 10 is set to lose, the gap between left locker 11 and right locker 12 increases, and unclamps folded guiding hoist cable 14,
Left locker 11 and right locker 12 are unclamped with the rising of aerial platform, and clamp system only play the guiding role at this time, high-altitude
No matter apparatus for work rises or declines, hoist cable can smoothly pass through from left locker 11 and right locker 12.
And when rope accident occurs to break due to unknown cause for aerial platform, referring to Fig. 3 and Fig. 4, of traction suspension rope 1
Power disappears, and triggering pivoted arm 4 loses original thrust, at this moment triggers pivoted arm 4 under the elastic force effect of elastic component 6, occurs clockwise
Rotation tenses drawing piece 5, then drives and clamps that pivoted arm 10 is dynamic counterclockwise along shaft 9, makes the opposite of left locker 11 and right locker 12
Distance is gradually reduced, and clamps guiding hoist cable 14, continues to fall with aerial platform, clamps pivoted arm 10 and also continues to rotate,
So that 11 right locker 12 of left locker the more is pressed from both sides the more tight to guiding hoist cable 14, the frictional force that guiding hoist cable 14 and left and right locker generate make it is left,
Right locker the more presss from both sides the more tight to guiding hoist cable 14, to make left and right locker continue to clamp guiding hoist cable 14, until making working at height fill
Stopping tenesmus movement is set, achievees the purpose that lock aerial platform.
As can be seen that safety lock structure provided by the invention is extremely simple, after crisis releases, it is only necessary to will guide hoist cable
14 tense, while aerial platform being lifted slightly, and traction suspension rope is made to be tensioned, and drive triggering pivoted arm 4 counterclockwise by idler wheel 2
It swinging, unclamps bracing wire 5,11 right locker 12 of left locker drives clamping pivoted arm to rotate clockwise due to the uplink of aerial platform,
So that the distance between left locker 11 and right locker 12 is increased, be restored to opening state, allows guiding hoist cable 14 normal through reaching solution
The purpose of lock.
In the present embodiment, referring to Fig. 5, the cross section of the clamping face a of the left locker 11 and right locker 12 includes circular arc, more
Section line, curve, trapezoidal, file point, topping, irregular topping shape, arc are combined with multi-section-line or arc is combined with arc any one.
In the present embodiment, the clamping face of the left locker 11 and right locker 12 is formed with anti-skid chequer, is used for increasing friction force, carries
High-clamping force.
Each axis pin of the present invention carries out chromium plating antirust treatment, and the parts such as pivoted arm, locker carry out zinc-plated antirust treatment, accomplish to exempt to tie up
The requirement of shield；It is safe and reliable that clamping signal is transmitted to clamping part using bracing wire；Its cross section shape of channel between left and right locker
Shape includes any one in circle, ellipse, polygon.
This part also provides a kind of disconnected rope type safety lock system, including carrier and the disconnected rope type safety lock, described
Carrier is connected to by elevator on traction suspension rope, and the trigger mechanism of the disconnected rope type safety lock is fixed on the corresponding of the carrier
At the position of traction suspension rope, the clamp system of the disconnected rope type safety lock 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, rope type of breaking safety
The trigger mechanism of lock fixes top of the cage body, and the clamp system of the disconnected rope type safety lock can be more than two, be separately fixed at
Each side of cage body.
Compared with prior art a kind of disconnected rope type safety lockset of aerial platform provided by the invention have as follows into
Step：
(1) disconnected rope type safety lock provided by the invention, trigger mechanism may be implemented to concentrate triggering, i.e. aerial platform
Or cage body can be concentrated with a trigger mechanism, be moved while to realize multiple clamp systems when installing multiple clamp systems
Make, ensures the level of aerial platform or cage body, avoid tilting, while considerably increasing the reliability of safety lock.This is it
Its type safety lock is unable to reach.
(2) disconnected rope type safety lock structure provided by the invention is simple, and part passes through preservative treatment, is tieed up without running check
Shield, even if can guarantee that there is reliable braking and locking function if having a little impurity in safety lock.
(3) safety lock provided by the invention is not necessarily to electric power, only leans on aerial platform, so that triggering pivoted arm is lost due to disconnected rope
Supporting force is gone, pivoted arm is triggered under the action of the spring and rotates, clamps pivoted arm rotation to pull, two lockers are clamped to be oriented to and be hung
Rope, brake safe are reliable.
(4) safety lock provided by the invention is adaptable, and a kind of specification just adapts to the braking of a variety of different-diameter hoist cables
Locking requires, and makes, installs simple and convenient, and service life is long, and production maintenance is at low cost.
(5) 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 the injury caused by equipment and personnel due to emergency brake.
(6) present invention, which is applied to be used as on the guiding hoist cable of aerial platform, can also be used as height when its safety device
The guiding facility of idle job device keeps its operation more steady, comfortable and complete in the other safety protection facilities of aerial platform
In the case that portion fails, still ensures that aerial platform safety, prevent from falling.
(7) since the present invention is novel in design, simple in structure, reliable operation, of low cost, great popularization and application valence
Value, and have vast market prospect.
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 by it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of disconnected rope type safety lock, it is characterised in that：It include the triggering machine that clamping signal is generated by traction suspension rope (1) tension
Structure and realized according to clamping signal will guide hoist cable (14) clamp more than one clamp system；
The clamp system includes support element (8), drawing piece (5), left locker (11), right locker (12) and at least two folders
Tight pivoted arm (10), clamping pivoted arm (10) rotation are fixed on the support element (8), the left locker (11) and right locker
(12) be respectively hinged at least two clamping pivoted arms (10), and the left locker (11) and right locker (12) with it is arbitrary
Two clamping pivoted arms (10) constitute parallelogram connection-rod, the drawing piece (5) be connected to any one or two with
The upper clamping pivoted arm (10) is between trigger mechanism.
2. disconnected rope type safety lock as described in claim 1, it is characterised in that：The trigger mechanism includes triggering pivoted arm (4), rolling
Wheel (2) and elastic component (6), the drawing piece (5) connect with the triggering pivoted arm (4), and idler wheel (2) rotation is fixed on institute
The position of triggering pivoted arm (4) contacted with traction suspension rope (1) is stated, the elastic component (6) connect with the triggering pivoted arm (4), uses
In the rotation trend for making the triggering pivoted arm (4) generate tension drawing piece (5).
3. disconnected rope type safety lock as claimed in claim 1 or 2, it is characterised in that：The support element (8) is plate-type structural piece.
4. disconnected rope type safety lock as claimed in claim 1 or 2, it is characterised in that：The drawing piece (5) is bracing wire.
5. disconnected rope type safety lock as claimed in claim 1 or 2, it is characterised in that：The clamping pivoted arm (10) is V-shaped, and
Angle of release degree is more than 90 degree, and one end rotation for clamping pivoted arm (10) is fixed on the support element (8), the drawing piece (5)
It is connected to the other end of the clamping pivoted arm (10).
6. disconnected rope type safety lock as claimed in claim 5, it is characterised in that：The left locker (11) is hinged on described clamp and turns
The middle part of arm (10), the right locker (12) are hinged on the half portion close to the drawing piece (5) of the clamping pivoted arm (10)
On.
7. disconnected rope type safety lock as claimed in claim 2, it is characterised in that：The triggering pivoted arm (4) is V-shaped, and open-angle
Degree is more than 90 degree, and idler wheel (2) rotation is fixed on one end of the triggering pivoted arm (4), the drawing piece (5) and elastic component
(6) it is connected to the middle part opposite sides of the triggering pivoted arm (4).
8. the disconnected rope type safety lock as described in claim 2 or 7, it is characterised in that：The elastic component (6) is spring.
9. disconnected rope type safety lock as claimed in claim 1 or 2, it is characterised in that：The left locker (11) and right locker (12)
The cross section of clamping face include circular arc, multi-section-line, curve, trapezoidal, file point, topping, irregular topping shape, arc and multi-section-line
In conjunction with or arc combined with arc any one.
10. a kind of disconnected rope type safety lock system, it is characterised in that：Described in any one of carrier and claim 1 to 9
Disconnected rope type safety lock, the carrier are connected to by elevator on traction suspension rope (1), the trigger mechanism of the disconnected rope type safety lock
It is fixed at the position of corresponding traction suspension rope (1) of the carrier, the clamp system of the disconnected rope type safety lock is fixed on described
The side of carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611100006.1A CN106430025B (en) | 2016-12-02 | 2016-12-02 | A kind of disconnected rope type safety lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611100006.1A CN106430025B (en) | 2016-12-02 | 2016-12-02 | A kind of disconnected rope type safety lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106430025A CN106430025A (en) | 2017-02-22 |
| CN106430025B true CN106430025B (en) | 2018-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611100006.1A Active CN106430025B (en) | 2016-12-02 | 2016-12-02 | A kind of disconnected rope type safety lock |
Country Status (1)
| Country | Link |
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| CN (1) | CN106430025B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10980504B2 (en) | 2017-04-20 | 2021-04-20 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for moving a component of an X-ray machine |
| CN106892371B (en) * | 2017-04-20 | 2019-04-05 | 上海联影医疗科技有限公司 | The transmission mechanism and digital X-ray machine of digital X-ray machine |
| CN109205448B (en) * | 2018-10-18 | 2024-04-26 | 太原科技大学 | Multi-connecting-rod heavy-load rope locking device |
| CN112661076B (en) * | 2021-03-17 | 2021-06-01 | 新乡职业技术学院 | Positioning and braking device of cargo lifting equipment |
| CN114195050A (en) * | 2021-09-30 | 2022-03-18 | 安捷电维智能科技研究院(广州)有限公司 | Pulley lifting mechanism |
| CN114920179B (en) * | 2022-07-14 | 2022-10-28 | 国网浙江省电力有限公司绍兴供电公司 | Power transmission line tower climbing operation intelligent vehicle capable of automatically braking and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD125197A5 (en) * | 1975-07-30 | 1977-04-06 | ||
| 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 |
| CN2394890Y (en) * | 1999-09-23 | 2000-09-06 | 沈阳安捷擦窗设备有限公司 | Safety lock of cradle |
| CN201071235Y (en) * | 2007-06-20 | 2008-06-11 | 王建英 | Safety locking device for mine hoisting hanging cradle |
| CN102502374A (en) * | 2011-06-29 | 2012-06-20 | 南京晨光集团有限责任公司 | Double-eccentric-shaft anti-falling lock |
| CN102381667A (en) * | 2011-11-08 | 2012-03-21 | 江苏申锡建筑机械有限公司 | Safe rope locking device for large-scaled hanging bracket |
| CN103803373B (en) * | 2013-04-12 | 2015-04-22 | 北京唐浩电力工程技术研究有限公司 | Elevator with multi-stage safety protection |
| CN203319433U (en) * | 2013-06-27 | 2013-12-04 | 洛阳威尔若普检测技术有限公司 | Elevator steel wire rope breakage monitoring device based on deformation principle |
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2016
- 2016-12-02 CN CN201611100006.1A patent/CN106430025B/en active Active
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