CN107473148B - A kind of falling proof device of portable aerial work platform - Google Patents
A kind of falling proof device of portable aerial work platform Download PDFInfo
- Publication number
- CN107473148B CN107473148B CN201710914305.7A CN201710914305A CN107473148B CN 107473148 B CN107473148 B CN 107473148B CN 201710914305 A CN201710914305 A CN 201710914305A CN 107473148 B CN107473148 B CN 107473148B
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- CN
- China
- Prior art keywords
- fall prevention
- fixed
- prevention rope
- work platform
- aerial work
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- 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.)
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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
- 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
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The present invention relates to aerial work platform apparatus fields, more particularly, to a kind of falling proof device of portable aerial work platform.A kind of falling proof device of portable aerial work platform, including the anti-fall device being located on the base side of workbench, anti-fall device includes the rotary electric machine for being located at base side both ends, Rotational Cylindrical, anti-falling rods and fall prevention rope, carriage is equipped between rotary electric machine and base side, one end of fall prevention rope is fixed on the anti-falling rods of side, the other end of fall prevention rope is equipped with fixed device, fixed device includes fixed plate and limit plate, it is fixedly connected at the center of fixed plate with the other end of fall prevention rope, the upper and lower ends of fixed plate are equipped with limiting slot, the upper and lower ends of limit plate are located in limiting slot, the anti-falling rods of the other side are equipped with the limit hole to match with fixed device.Operation of the present invention is simple, can improve safety of the staff when working on aerial work platform, prevents staff or operational instrument falling from high altitude.
Description
Technical field
The present invention relates to aerial work platform apparatus fields, more particularly, to a kind of the anti-fall of portable aerial work platform
Dropping control device.
Background technique
Aerial work platform is to serve the mobilitys high altitude operation such as various industries high altitude operation, equipment installation, maintenance
Product.Aerial work platform Related product mainly has: scissor aerial work platform, is cranked arm at trailer-type aerial work platform
Formula aerial work platform, straight arm type aerial work platform, aluminium alloy aerial work platform, double-cylinder type aerial work platform, spider
Seven major class of formula aerial work platform.
Existing aerial work platform is usually made of mobile devices, lifting device and workbench, and mobile devices are in height
Working platform bottom, plays the movement and fixed function of aerial work platform, and lifting device plays the liter of aerial work platform
Drop effect, workbench are formed by guardrail, divider gate and in the pedestal of rectangle, and staff enters from divider gate, are stood in pedestal
Upper to carry out a series of high altitude operation, guardrail plays protective action, protects the personal safety of staff, prevents staff high-altitude
It falls, but actually only can not play safely and effectively protective action with guardrail.
Such as Chinese patent notification number are as follows: 204938840 U of CN is high in a kind of scissor-type of on 01 06th, 2016 bulletin
Working platform, including traveling chassis and lifting device, traveling chassis includes chassis, mobile devices, pit-hole protection mechanism and branch
Leg structure, leg structure include vehicle frame plate, supporting leg seat board, supporting leg mounting plate, support outer tube, support inner tube and support leg, lifting
Device includes scissor type elevating structure and workbench, scissor type elevating structure include upper scissor unit, lower scissor unit and
Lifting cylinder, Wiring duct structure is provided on the scissor type elevating structure, and workbench includes platform fixed bottom plate, railing
Frame and handrail door.Although device lifting is stable, it is flexible, easy to operate high-efficient to travel, bridge of only leaning upon a balustrade can not be risen
To safely and effectively protective action, staff may fall very in operation on the fixed bottom plate of platform because of fortuitous event
To falling, or can there is a situation where power tools to inadvertently fall off.
Summary of the invention
The present invention provides a kind of easy to operate primarily directed to the above problem, and it is flat in high altitude operation to improve staff
Safety when working on platform prevents staff or operational instrument falling from high altitude, and can adjust according to actual needs it is convenient
The falling proof device of formula aerial work platform.
The purpose of the present invention is mainly to be achieved by following proposal: a kind of portable aerial work platform it is anti-fall
Dropping control device, including the anti-fall device being arranged on the base side of workbench, the anti-fall device includes being arranged in pedestal
The rotary electric machine at side both ends, the Rotational Cylindrical being connected with the output end of rotary electric machine, anti-falling rods being arranged in Rotational Cylindrical and anti-
Pendant rope, is provided with carriage between the rotary electric machine and base side, the carriage includes that setting is rotating
T-type fixture block of the motor on the side of pedestal and the sliding groove for being arranged on base side and matching with T-type fixture block, it is described
T-type fixture block be slidably connected with sliding groove, one end of the fall prevention rope is fixed on the anti-falling rods of side, the fall prevention rope
The other end be provided with fixed device, the fixation device includes fixed plate and limit plate, at the center of the fixed plate
It is fixedly connected with the other end of the fall prevention rope, the upper and lower ends of the fixed plate are provided with limiting slot, the limit
Plate is provided with interval trough, the other end of the shape of the interval trough and the fall prevention rope at the center of fixed plate side
Match, the upper and lower ends of the limit plate are located in limiting slot, the side of the limit plate upper and lower ends and limiting slot
There is gap between bottom surface, the limit hole to match with fixed device is provided on the anti-falling rods of the other side.Anti-fall dress
Set including base side both ends are set rotary electric machine, be connected with the output end of rotary electric machine Rotational Cylindrical, setting rotating
Anti-falling rods and fall prevention rope on column, one end of fall prevention rope are fixed on the anti-falling rods of side, and the other end of fall prevention rope is provided with solid
Determine device, the other end of fall prevention rope passes through fixed device and the anti-falling rods of the other side connect, rotary electric machine and Rotational Cylindrical composition
Axis is located in the plane of two anti-falling rods composition, and two rotary electric machines are separately fixed at the both ends of base side, Rotational Cylindrical with
The output end of rotary electric machine is connected, and anti-falling rods are arranged in Rotational Cylindrical, and starting is located at two rotary electric machines on same side, turns
The output end of dynamic motor rotates certain angle, to drive Rotational Cylindrical while rotate, Rotational Cylindrical rotation drives anti-falling rods rotation,
So that in certain suitable protection angle between anti-falling rods and base side, the fall prevention rope between two anti-falling rods
Play effective protective action；Carriage is provided between rotary electric machine and base side, carriage includes that setting is turning
T-type fixture block of the dynamic motor on the side of pedestal and the sliding groove for being arranged on base side and matching with T-type fixture block, T
Type fixture block is slidably connected with sliding groove, and rotary electric machine is slidably connected by T-type fixture block with pedestal, according to actual needs can to turn
Dynamic motor force adjusts rotary electric machine to suitable position, has certain frictional force energy between T-type fixture block and sliding groove
It prevents T-type fixture block from arbitrarily moving, and T-type fixture block can prevent rotary electric machine from falling, increases the stability and safety of device
Property；Fixed device includes fixed plate and limit plate, is fixedly connected at the center of fixed plate with the other end of fall prevention rope, fixed plate
Upper and lower ends are provided with limiting slot, and limit plate is provided with interval trough at the center of fixed plate side, the shape of interval trough with
The other end of fall prevention rope matches, and the upper and lower ends of limit plate are located in limiting slot, the side of limit plate upper and lower ends and limit
There is gap between groove bottom, be provided with the limit hole to match with fixed device on the anti-falling rods of the other side, limit hole it is straight
Diameter is slightly less than the maximum gauge of fixed device, limit plate is moved toward limit groove bottom direction fixed plate and limit plate active force
It is dynamic, so that the maximum gauge of fixed device is less than the diameter of limit hole, fall prevention rope is inconjunction with so as to device will be fixed and is passed through
Limit hole then not to fixed device active force, and makes limit plate mobile toward separate fixed plate direction, so that fixed device
Maximum gauge is greater than the diameter of limit hole, so that fall prevention rope is fixed between two anti-falling rods, and passes through fixed device
Very convenient come the dismounting that controls fall prevention rope, when the side of pedestal divider gate is arranged in anti-fall device, fall prevention rope is with guardrail
The opening and closing of door will often dismount, therefore very quick with fixed device.
Preferably, being connected between the side and limit groove bottom of the limit plate upper and lower ends by anti-dropout spring
It connects.It is connected between the side and limit groove bottom of limit plate upper and lower ends by anti-dropout spring, so that limit plate and fixed plate
Between it is not easily to fall off, and fixed device be inconjunction with fall prevention rope across limit hole simultaneously not to fixation device active force when, anticreep
It is automatically that limit plate is mobile and stabilized toward separate fixed plate direction to fall spring, so that the connection of fall prevention rope and anti-falling rods is more steady
Gu not easily to fall off.
Preferably, the quantity of the anti-dropout spring is at least 1.The quantity of anti-dropout spring is at least 1, makes
It is not easily to fall off between limit plate and fixed plate, while but also the connection of fall prevention rope and anti-falling rods is more firm, increase peace
Quan Xing.
Preferably, the quantity of the fall prevention rope is at least one.The quantity of fall prevention rope is at least one, fall prevention rope
Quantity is more, and the protecting effect of anti-fall device is better, so that the safety of staff at work is higher.
Preferably, having the second gap between the other end of the interval trough and the fall prevention rope.Interval trough with
There is the second gap, when making limit plate toward limit groove bottom fixed plate and limit plate active force between the other end of fall prevention rope
When direction is mobile, while being spaced groove bottom and overcoming the second gap mobile toward fall prevention rope direction, if gapless, the bottom surface meeting of interval trough
It is against on fall prevention rope, influences the movement of limit plate.
Preferably, the Rotational Cylindrical is cylindrical shape.Rotational Cylindrical is cylindrical shape, and rotary electric machine drives Rotational Cylindrical to turn
High stability when dynamic, increases safety.
Therefore, a kind of falling proof device of portable aerial work platform of the invention has following advantages: anti-fall device
Design increase safety of the staff in operation on workbench, while can also prevent falling for operational instrument, it is sliding
The design of dynamic device can according to actual needs adjust rotary electric machine to suitable position, and the design of fixed device simplifies company
It is the step of when connecing fall prevention rope, easy to operate, it improves work efficiency, stability is high.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention.
Attached drawing 2 is the structural schematic diagram of anti-fall device of the invention.
Attached drawing 3 is the structural representation front view of fixation device of the invention.
Attached drawing 4 is the cross-sectional view in attached drawing 3 at A-A.
Illustrate: 1- fall prevention rope, 2- anti-falling rods, 3- Rotational Cylindrical, 4- lifting device, 5- mobile devices, 6- pedestal, 7- turn
Dynamic motor, 8- sliding groove, 9-T type fixture block, 10- limit hole, 11- limit plate, 12- fixed plate, 13- anti-dropout spring, 14- limit
Slot, 15- interval trough.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1,2,3, 4, a kind of falling proof device of portable aerial work platform, including be arranged in workbench
Base side on anti-fall device, anti-fall device includes the rotary electric machine 7 and rotary electric machine that 6 side both ends of pedestal are arranged in
The connected Rotational Cylindrical 3 of output end, the anti-falling rods 2 and fall prevention rope 1 that are arranged in Rotational Cylindrical, the quantity of fall prevention rope is at least one
The quantity of root, fall prevention rope is more, and the protecting effect of anti-fall device is better, so that the safety of staff at work is higher,
One end of fall prevention rope is fixed on the anti-falling rods of side, and the other end of fall prevention rope is provided with fixed device, the other end of fall prevention rope
It is connected by the anti-falling rods of fixed device and the other side, the axis of rotary electric machine and Rotational Cylindrical composition is located at two anti-falling rods and forms
Plane in, two rotary electric machines are separately fixed at the both ends of base side, and Rotational Cylindrical is connected with the output end of rotary electric machine, prevent
Faller is arranged in Rotational Cylindrical, and Rotational Cylindrical is cylindrical shape, and high stability when rotary electric machine drives Rotational Cylindrical rotation increases
Safety first passes through mobile devices 5 for aerial work platform and drives to suitable position, then staff when specific operation
Into on workbench, restart after lifting device 4 is increased to suitable height, starting is located at two rotations on same side
Motor, the output end of rotary electric machine rotate certain angle, to drive Rotational Cylindrical while rotate, Rotational Cylindrical rotation drives anti-fall
Bar rotation, so that being located between two anti-falling rods between anti-falling rods and base side in certain suitable protection angle
Fall prevention rope play effective protective action；Carriage is provided between rotary electric machine and base side, carriage includes
T-type fixture block 9 of the rotary electric machine on the side of pedestal be set and is arranged on base side and matches with T-type fixture block
Sliding groove 8, T-type fixture block are slidably connected with sliding groove, and rotary electric machine is slidably connected by T-type fixture block with pedestal, according to practical need
It wants to adjust rotary electric machine active force rotary electric machine to suitable position, has between T-type fixture block and sliding groove certain
Frictional force can prevent T-type fixture block from arbitrarily moving, and T-type fixture block can prevent rotary electric machine from falling, and increase the steady of device
Qualitative and safety；Fixed device includes fixed plate 12 and limit plate 11, and at the center of fixed plate and the other end of fall prevention rope is solid
Fixed connection, the upper and lower ends of fixed plate are provided with limiting slot 14, and limit plate is provided with interval at the center of fixed plate side
Slot 15, the shape of interval trough and the other end of fall prevention rope match, and have between second between interval trough and the other end of fall prevention rope
The upper and lower ends of gap, limit plate are located in limiting slot, have gap between the side and limit groove bottom of limit plate upper and lower ends,
The limit hole 10 to match with fixed device, the side of limit plate upper and lower ends and limiting slot are provided on the anti-falling rods of the other side
By anti-dropout spring connection 13 between bottom surface, and the quantity of anti-dropout spring is at least one, so that limit plate and fixation
It is not easily to fall off between plate, and fixed device be inconjunction with fall prevention rope across limit hole simultaneously not to fixed device active force when, prevent
The spring that falls off is automatically mobile and stabilized toward separate fixed plate direction by limit plate, so that the connection of fall prevention rope and anti-falling rods is more
Firm, not easily to fall off, the diameter of limit hole is slightly less than the maximum gauge of fixed device, makes to fixed plate and limit plate active force
Limit plate is mobile toward limit groove bottom direction, while being spaced groove bottom and overcoming the second gap mobile toward fall prevention rope direction, so that solid
The maximum gauge for determining device is less than the diameter of limit hole, is inconjunction with fall prevention rope across limit hole, so so as to fix device
Afterwards not to fixed device active force, so that limit plate is mobile toward separate fixed plate direction under the action of anti-dropout spring, so that
The maximum gauge of fixed device is greater than the diameter of limit hole, so that fall prevention rope is fixed between two anti-falling rods, and leads to
It is very convenient come the dismounting for controlling fall prevention rope to cross fixed device, it is anti-fall when the side of pedestal divider gate is arranged in anti-fall device
Rope will often be dismounted with the opening and closing of divider gate, therefore very quick with fixed device.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (5)
1. a kind of falling proof device of portable aerial work platform, which is characterized in that the pedestal including workbench is arranged in
Anti-fall device on side, the anti-fall device include the rotary electric machine that base side both ends are arranged in and rotary electric machine
Output end connected Rotational Cylindrical, the anti-falling rods and fall prevention rope that are arranged in Rotational Cylindrical, the rotary electric machine and base side it
Between be provided with carriage, the carriage include be arranged in T-type fixture block of the rotary electric machine on the side of pedestal and
The sliding groove for being arranged on base side and matching with T-type fixture block, the T-type fixture block is slidably connected with sliding groove, described
One end of fall prevention rope be fixed on the anti-falling rods of side, the other end of the fall prevention rope is provided with fixed device, described
Fixed device includes fixed plate and limit plate, at the center of the fixed plate with the other end of the fall prevention rope is fixed connects
It connects, the upper and lower ends of the fixed plate are provided with limiting slot, and the limit plate is arranged at the center of fixed plate side
There is interval trough, the shape of the interval trough and the other end of the fall prevention rope match, and up and down the two of the limit plate
End is located in limiting slot, has gap, the institute of the other side between the side and limit groove bottom of the limit plate upper and lower ends
State the limit hole for being provided on anti-falling rods and matching with fixed device, the side and limiting slot bottom of the limit plate upper and lower ends
It is connected between face by anti-dropout spring.
2. a kind of falling proof device of portable aerial work platform according to claim 1, which is characterized in that described
The quantity of anti-dropout spring is at least 1.
3. a kind of falling proof device of portable aerial work platform according to claim 1, which is characterized in that described
The quantity of fall prevention rope is at least one.
4. a kind of falling proof device of portable aerial work platform according to claim 1 or 3, which is characterized in that institute
There is the second gap between the other end of the interval trough and the fall prevention rope stated.
5. a kind of falling proof device of portable aerial work platform according to claim 1 or 3, which is characterized in that institute
The Rotational Cylindrical stated is cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914305.7A CN107473148B (en) | 2017-09-30 | 2017-09-30 | A kind of falling proof device of portable aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914305.7A CN107473148B (en) | 2017-09-30 | 2017-09-30 | A kind of falling proof device of portable aerial work platform |
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| Publication Number | Publication Date |
|---|---|
| CN107473148A CN107473148A (en) | 2017-12-15 |
| CN107473148B true CN107473148B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710914305.7A Active CN107473148B (en) | 2017-09-30 | 2017-09-30 | A kind of falling proof device of portable aerial work platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773500A (en) * | 2018-06-05 | 2018-11-09 | 湖南华铝机械技术有限公司 | A kind of radome of fighter inspection platform |
| CN113086100A (en) * | 2021-04-30 | 2021-07-09 | 江南造船(集团)有限责任公司 | Hatch anti-falling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201317912Y (en) * | 2008-09-14 | 2009-09-30 | 马同金 | Hinge-type automatic fencing machine |
| JP5686637B2 (en) * | 2011-03-07 | 2015-03-18 | 港製器工業株式会社 | Turnbuckle |
| CN202579815U (en) * | 2012-04-27 | 2012-12-05 | 林佩娟 | Safety hook |
| HK1173029A2 (en) * | 2013-01-11 | 2013-05-03 | Ching Fung Apparel Accessories Co Ltd | Fastening apparatus |
| CN204824054U (en) * | 2015-07-24 | 2015-12-02 | 中国石油天然气股份有限公司 | Work platform and high altitude construction system |
| CN206338368U (en) * | 2017-01-04 | 2017-07-18 | 国网安徽省电力公司舒城县供电公司 | A kind of pole wire steel strand wires crimping armor clamp and the assembly tool of the crimping armor clamp |
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