CN107096148A - It is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device - Google Patents
It is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device Download PDFInfo
- Publication number
- CN107096148A CN107096148A CN201710218991.4A CN201710218991A CN107096148A CN 107096148 A CN107096148 A CN 107096148A CN 201710218991 A CN201710218991 A CN 201710218991A CN 107096148 A CN107096148 A CN 107096148A
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- Prior art keywords
- pole device
- safety
- web
- dropping
- crane arm
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device; device includes left pole device, right pole device, safety rope and draw beam; draw beam both sides are provided with left pole device and right pole device, and left pole device includes main gusset, left web, right web, abdomen backboard, soft turn in one's mind pad, fastening bolt;Left web and right web are fixedly connected with main gusset, main gusset end is provided with anchor ear, and anchor ear is connected by fastening bolt and draw beam.It is an advantage of the invention that practical, operating personnel can be by safety rope operation back and forth, and job area is big, easy to use, safe and reliable;Left pole device and right pole device are detachably reused; draw beam self structure will not be changed; reduce construction cost; operating personnel is set to move back and forth in job area using safety rope and safety belt; ensure safety; protector provides dual safety guarantee for operating personnel, it is ensured that the safety of work high above the ground.
Description
Technical field
The present invention relates to a kind of fall protection equipment, and in particular to a kind of combined type for being used for the operation on crane arm is prevented
Falling protecting device, belongs to construction hoisting machinery field.
Background technology
The crane arm of hoisting machinery is provided with travelling mechanism device, running gear by regulation it must be thought safety inspection,
Installing/dismounting and maintenance, these needs of work staff climbs up could complete on high-end crane arm.What is had rises
It is dangerous high in the operation of weighing arm or horizontal, more particularly to dolly and luffing, the lifting steel run on derrick runway girder
Cord, once safety examination and maintenance maintenance must be monthly carried out by code requirement.But the crane arm of existing hoisting machinery exists
For a long time, operating personnel's semi-crouch is particularly height in the dolly of high dry running under conditions of not any fall arrest measure
Dangerous under conditions of Altitude is unfavorable is even more to be doubled and redoubled, and there is potential safety hazard, the possibility fallen is very prominent.In recent years
Come, staff's careless falling accident on crane arm happens occasionally, and injury to personnel is caused, the problem of low in economic efficiency.
The content of the invention
The technical problem to be solved in the present invention be the crane arm of the existing hoisting machinery overcome for a long time, operation people
Member's semi-crouch in the dolly of high dry running under conditions of not any fall arrest measure, the particularly unfavorable condition of high altitude environment
Lower danger is even more to be doubled and redoubled, and there is potential safety hazard, the possibility fallen is very prominent.In recent years, staff is in lifting
Careless falling accident happens occasionally on arm, causes injury to personnel, is used for the problem of low in economic efficiency there is provided one kind in crane arm
The Combined anti-dropping of upper operation falls protection device.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme:
The invention provides it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, including left pole device, the right side
Pole device, safety rope and draw beam, the draw beam both sides are separately installed with the left pole device and the right pole device,
The left pole device includes main gusset, left web, right web, abdomen backboard, soft turn in one's mind pad and fastening bolt, and main ribs plate surface is consolidated
Surely the left web and the right web are connected with, the side of main ribs plate is provided with anchor ear, and the anchor ear passes through described tight
Fixing bolt and draw beam connection, the safety rope is provided between the left pole device and the right pole device, described
Safety rope is tightened by euphroe, and the euphroe is separately mounted in the left pole device and the right pole device, described tight
Device of restricting includes spool, reel, ratchet, shotpin, spring, turning handle and split pin, and the spool is arranged on the left web and described
Between right web, the spool surface is provided with the reel, and the side of the spool is provided with the ratchet, and the ratchet leads to
The spring and shotpin contact connection, the shotpin and the right web hinge connection are crossed, the side of the spring is fixed
On the right web, the opposite side of the spring and shotpin connection, the spool side is provided with the turning handle, described
Safety rope is arranged in protector, and the bottom of the protector is provided with rope hook and safety belt connection, institute
State safety belt and amplitude variation trolley connection.
As a preferred technical solution of the present invention, the back side of main ribs plate is installed with the abdomen backboard.
As a preferred technical solution of the present invention, it is provided with and described soft turns in one's mind between the anchor ear and the draw beam
Pad.
As a preferred technical solution of the present invention, the turning handle and the spool pass through the split pin connection.
As a preferred technical solution of the present invention, the protector includes upper safe block and lower safe block, institute
State safe block and the lower safe block is connected by clamping screw, the both sides of the upper safe block and the lower safe block are all provided with
Latch is equipped with, the side of the latch is provided with keep plate, locking spring, institute are provided between the latch and the keep plate
State keep plate and neck mating connection is locked by the side of the locking spring and the clamping screw.
As a preferred technical solution of the present invention, the upper safe block and the lower safe block intermediate connections are set
There is safety rope sliding groove, the safety rope of the lower safe block slides trench bottom and is provided with locking head, the locking head and institute
State rope hook to be fixedly connected, the locking head surface is provided with clamp, and the clamp is connected by spring and adjusting nut, described
Adjusting nut is arranged on the locking head surface.
As a preferred technical solution of the present invention, the bottom of the clamping screw is provided with left-right rotary thread segment, institute
Left-right rotary thread segment is stated to fix by left-right rotary stop nut.
The beneficial effect that is reached of the present invention is:The device be it is a kind of be used on crane arm the Combined anti-dropping of operation fall
Protection device, rational in infrastructure, it is easy to manufacture, cost is low;Practical, operating personnel can be made by safety rope operation back and forth
Industry scope is big, easy to use, safe and reliable;Left pole device and right pole device are detachably reused, and will not change draw beam
Self structure, reduces construction cost;Euphroe adjusts the length of safety rope, is adapted to draw beam long range job area, makes peace
Full rope is in tensioned state, it is ensured that operating personnel moves easy using process;Protector is installed on safety rope, in safety
In the case of the unexpected fracture of rope, protector meeting auto lock safety rope effectively protects operating personnel's life security;Safety is protected
Shield device is opened by operating personnel's own wt and can normally used, when full fracture of rope drops, when protector is weightless, is stood
Lock safety rope;The left-right rotary stop nut of protector effectively can prevent protector from loosening, it is ensured that use safety;
The protective paint layer that the soft pad of turning in one's mind of pole device can prevent fall protection equipment from destroying derrick runway girder surface, prevents it from getting rusty, together
When serve locking purpose there is provided it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device.The present invention
It is reasonable in design, simple in construction, safe and reliable, easy to use, easy to maintain, have good value for applications.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structure enlarged diagram of the present invention;
Fig. 3 is the left pole device and euphroe structural representation of the present invention;
Fig. 4 is the left pole device and tight rope structural plan figure of the present invention;
Fig. 5 is the protector structural representation of the present invention;
In figure:1st, left pole device;101st, main gusset;102nd, left web;103rd, right web;104th, abdomen backboard;105th, soft pad of turning in one's mind;
106th, fastening bolt;2nd, right pole device;3rd, euphroe;301st, spool;302nd, reel;303rd, ratchet;304th, shotpin;305th, bullet
Spring;306th, turning handle;307th, split pin;4th, safety rope;5th, safety belt;501st, rope hook;6th, amplitude variation trolley;7th, draw beam;8、
Protector;9th, upper safe block;10th, lower safe block;11st, clamping screw;12nd, left-right rotary stop nut;13rd, latch 13;14、
Keep plate;15th, adjusting nut;16th, locking head;17th, detent recess is locked.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As Figure 1-5, the present invention provide it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, including a left side
Pole device 1, right pole device 2, safety rope 4 and draw beam 7, the both sides of draw beam 7 are separately installed with left pole device 1 and right pole
Device 2, left pole device 1 includes main gusset 101, left web 102, right web 103, abdomen backboard 104, soft turn in one's mind pad 105 and fastening bolt
106, the surface of main gusset 101 is fixedly connected with left web 102 and right web 103, and the side of main gusset 101 is provided with anchor ear, embraces
Hoop is connected by fastening bolt 106 and draw beam 7, and safety rope 4, safety rope are provided between left pole device 1 and right pole device 2
4 are tightened by euphroe 3, and euphroe 3 is separately mounted in left pole device 1 and right pole device 2, euphroe 3 include spool 301,
Reel 302, ratchet 303, shotpin 304, spring 305, turning handle 306 and split pin 307, spool 301 are arranged on left web 102 and the right side
Between web 103, the surface of spool 301 is provided with reel 302, and the side of spool 301 is provided with ratchet 303, and ratchet 303 passes through bullet
Spring 305 and the contact connection of shotpin 304, shotpin 304 and the hinge connection of right web 103, the side of spring 305 is fixed on right web
On 103, the opposite side and shotpin 304 of spring 305 are connected, and the side of spool 301 is provided with turning handle 306, and safety rope 4 is arranged on safety
In protector 8, the bottom of protector 8 is provided with rope hook 501 and safety belt 5 is connected, safety belt 5 and amplitude variation trolley
6 connections.
The back side of main gusset 101 is installed with abdomen backboard 104.Be conducive to playing a part of protection to main gusset 101.
Soft pad 105 of turning in one's mind is provided between anchor ear and draw beam 7.The friction of draw beam 7 is advantageously reduced, extension is used
Life-span.
Turning handle 306 and spool 301 are connected by split pin 307.With being rotated beneficial to turning handle 306 is convenient.
Protector 8 includes upper safe block 9 and lower safe block 10, and upper safe block 9 and lower safe block 10 pass through locking screw
Bolt 11 is connected, and the both sides of upper safe block 9 and lower safe block 10 are provided with latch 13, and the side of latch 13 is provided with keep plate
14, locking spring, the side that keep plate 14 passes through locking spring and clamping screw 11 are provided between latch 13 and keep plate 14
Neck is locked to be connected.Be conducive to the safety protection function of protector 8 complete.
Upper safe block 9 and the lower intermediate connections of safe block 10 are provided with safety rope sliding groove, the safety rope of lower safe block 10
Slide trench bottom and be provided with locking head 16, locking head 16 is fixedly connected with rope hook 501, and the surface of locking head 16 is provided with clamp,
Clamp is connected by spring and adjusting nut 15, and adjusting nut 15 is arranged on the surface of locking head 16.Be conducive to upper safe block 9 with
Safe block 10 is connected stably.
The bottom of clamping screw 11 is provided with left-right rotary thread segment, and left-right rotary thread segment is solid by left-right rotary stop nut 12
It is fixed.Be conducive to clamping screw 11 and the fixing-stable of left-right rotary stop nut 12.
The device be it is a kind of be used for the Combined anti-dropping of operation on crane arm and fall protection device, when needing to use the device
When, during installation, left pole device 1 is placed on amplitude variation trolley 6 first and runs side, euphroe 3 and tower on left pole device 1 is kept
Machine crane arm 7 is in parastate, and left pole device 1 is arranged on into armed lever diagonal brace of the draw beam 7 away from tower crane driver's cabin outermost end
In first neutral, soft pad 105 of turning in one's mind is placed on to the inner side of left pole device 1 before installing, is fixed using fastening bolt 106;
Second takes same method that right pole device 2 is arranged in first neutral of armed lever diagonal brace away from tower crane driver's cabin most proximal end, makes
It is fixed with fastening bolt 106;3rd inserts the one end of safety rope 4 in the centre bore of reel 302 of euphroe 3, uses spanner
Rotate turning handle 306 and make it into Pre strained state, then the other end of safety rope 4 is inserted in the centre bore of reel 302 of euphroe 3,
Turning handle 306, which is rotated, using spanner makes it into Pre strained state;4th checks left pole device 1 and the right perpendicularity of pole device 2 and safety
Restrict 4 situations, adjust it is intact after each portion's bolt is tightened, reuse spanner and rotate untill turning handle 306 tightens safety rope 4.Work
In work, operating personnel is stood in the amplitude variation trolley 6 in high-altitude with the operation back and forth of amplitude variation trolley, by safety belt 7, safeguard protection
Device, rope hook 501 are arranged on safety rope 4 to backhaul row, operating personnel safety belt 5, protector, safety rope 4 work
Under, high-altitude working safety can effectively ensure that.The present invention efficiently solves peace of the operating personnel on derrick runway girder during operation
Full problem, makes operating personnel move back and forth in job area using safety rope and safety belt, it is ensured that safety, and protector is work
Industry personnel provide dual safety guarantee, it is ensured that the safety of work high above the ground.
The beneficial effect that is reached of the present invention is:The device be it is a kind of be used on crane arm the Combined anti-dropping of operation fall
Protection device, rational in infrastructure, it is easy to manufacture, cost is low;Practical, operating personnel can be made by safety rope operation back and forth
Industry scope is big, easy to use, safe and reliable;Left pole device and right pole device are detachably reused, and will not change draw beam
Self structure, reduces construction cost;Euphroe adjusts the length of safety rope, is adapted to draw beam long range job area, makes peace
Full rope is in tensioned state, it is ensured that operating personnel moves easy using process;Protector is installed on safety rope, in safety
In the case of the unexpected fracture of rope, protector meeting auto lock safety rope effectively protects operating personnel's life security;Safety is protected
Shield device is opened by operating personnel's own wt and can normally used, when full fracture of rope drops, when protector is weightless, is stood
Lock safety rope;The left-right rotary stop nut of protector effectively can prevent protector from loosening, it is ensured that use safety;
The protective paint layer that the soft pad of turning in one's mind of pole device can prevent fall protection equipment from destroying derrick runway girder surface, prevents it from getting rusty, together
When serve locking purpose there is provided it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device.The present invention
It is reasonable in design, simple in construction, safe and reliable, easy to use, easy to maintain, have good value for applications.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (7)
1. it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, including left pole device(1), right pole device
(2), safety rope(4)And draw beam(7), it is characterised in that the draw beam(7)Both sides are separately installed with the left pole
Device(1)With the right pole device(2), the left pole device(1)Including main gusset(101), left web(102), right web
(103), abdomen backboard(104), soft pad of turning in one's mind(105)And fastening bolt(106), main ribs plate(101)Surface is fixedly connected
State left web(102)With the right web(103), main ribs plate(101)Side be provided with anchor ear, the anchor ear passes through institute
State fastening bolt(106)With the draw beam(7)Connection, the left pole device(1)With the right pole device(2)Between set
There is the safety rope(4), the safety rope(4)Pass through euphroe(3)Tighten, the euphroe(3)It is separately mounted to the left side
Pole device(1)With the right pole device(2)It is interior, the euphroe(3)Including spool(301), reel(302), ratchet(303)、
Shotpin(304), spring(305), turning handle(306)And split pin(307), the spool(301)Installed in the left web(102)
With the right web(103)Between, the spool(301)Surface is provided with the reel(302), the spool(301)One
Side is provided with the ratchet(303), the ratchet(303)Pass through the spring(305)With the shotpin(304)Contact connection,
The shotpin(304)With the right web(103)Hinge connection, the spring(305)Side be fixed on the right web
(103)On, the spring(305)Opposite side and the shotpin(304)Connection, the spool(301)Side is provided with described
Turning handle(306), the safety rope(4)Installed in protector(8)It is interior, the protector(8)Bottom be provided with it is logical
Cross rope hook(501)And safety belt(5)Connection, the safety belt(5)And amplitude variation trolley(6)Connection.
2. it is according to claim 1 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, main ribs plate(101)The back side be installed with the abdomen backboard(104).
3. it is according to claim 1 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, the anchor ear and the draw beam(7)Between be provided with the soft pad of turning in one's mind(105).
4. it is according to claim 1 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, the turning handle(306)With the spool(301)Pass through the split pin(307)Connection.
5. it is according to claim 1 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, the protector(8)Including upper safe block(9)With lower safe block(10), the upper safe block(9)With the lower peace
Full block(10)Pass through clamping screw(11)Connection, the upper safe block(9)With the lower safe block(10)Both sides be provided with
Latch(13), the latch(13)Side be provided with keep plate(14), the latch(13)With the keep plate(14)Between
It is provided with locking spring, the keep plate(14)Pass through the locking spring and the clamping screw(11)Side locking neck
It is connected.
6. it is according to claim 5 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, the upper safe block(9)With the lower safe block(10)Intermediate connections are provided with safety rope sliding groove, the lower safety
Block(10)The safety rope slide trench bottom be provided with locking head(16), the locking head(16)With the rope hook(501)
It is fixedly connected, the locking head(16)Surface is provided with clamp, and the clamp passes through spring and adjusting nut(15)Connection, it is described
Adjusting nut(15)Installed in the locking head(16)Surface.
7. it is according to claim 5 it is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device, its feature
It is, the clamping screw(11)Bottom be provided with left-right rotary thread segment, the left-right rotary thread segment is locking by left-right rotary
Nut(12)It is fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710218991.4A CN107096148A (en) | 2017-04-06 | 2017-04-06 | It is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710218991.4A CN107096148A (en) | 2017-04-06 | 2017-04-06 | It is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device |
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CN107096148A true CN107096148A (en) | 2017-08-29 |
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CN201710218991.4A Pending CN107096148A (en) | 2017-04-06 | 2017-04-06 | It is a kind of be used on crane arm the Combined anti-dropping of operation fall protection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107840247A (en) * | 2017-10-24 | 2018-03-27 | 成都亨通兆业精密机械有限公司 | Based on the friction wheel hub for being easy to lifting in being constructed in mechanical hoisting |
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CN2220459Y (en) * | 1993-11-10 | 1996-02-21 | 杨益文 | Anti-drop lifting trackle |
JP2000017848A (en) * | 1998-06-30 | 2000-01-18 | Kazuo Tanaka | Chief rope tension device for safety rope used on construction or demolition of temporary scaffold for building |
CN102225225A (en) * | 2011-04-13 | 2011-10-26 | 浙江工业大学 | High-rise rescue device |
CN202620524U (en) * | 2012-05-22 | 2012-12-26 | 陈玉争 | Intelligent safety belt hanging device and intelligent safety belt hanging equipment including the same |
CN202672764U (en) * | 2012-08-13 | 2013-01-16 | 安徽富煌钢构股份有限公司 | Safety rope handrail for construction of building steel structure |
CN202671028U (en) * | 2012-06-14 | 2013-01-16 | 徐州重型机械有限公司 | Crane rope tightener and crane applying same |
CN203048435U (en) * | 2012-12-27 | 2013-07-10 | 中联重科股份有限公司 | Safety device and crane provided with safety device |
DE102012005079A1 (en) * | 2012-03-13 | 2013-09-19 | Carl Stahl Gmbh | Device for falling protection, particularly of persons on elevated structures, such as of working personnel on boom elements of cranes, has counter holding part engaged on supporting part such that counter force is placed on safety guide |
CN203855337U (en) * | 2014-06-09 | 2014-10-01 | 重庆市特种设备检测研究院 | Safety protection device for operation of tower crane suspension arm |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN2220459Y (en) * | 1993-11-10 | 1996-02-21 | 杨益文 | Anti-drop lifting trackle |
JP2000017848A (en) * | 1998-06-30 | 2000-01-18 | Kazuo Tanaka | Chief rope tension device for safety rope used on construction or demolition of temporary scaffold for building |
CN102225225A (en) * | 2011-04-13 | 2011-10-26 | 浙江工业大学 | High-rise rescue device |
DE102012005079A1 (en) * | 2012-03-13 | 2013-09-19 | Carl Stahl Gmbh | Device for falling protection, particularly of persons on elevated structures, such as of working personnel on boom elements of cranes, has counter holding part engaged on supporting part such that counter force is placed on safety guide |
CN202620524U (en) * | 2012-05-22 | 2012-12-26 | 陈玉争 | Intelligent safety belt hanging device and intelligent safety belt hanging equipment including the same |
CN202671028U (en) * | 2012-06-14 | 2013-01-16 | 徐州重型机械有限公司 | Crane rope tightener and crane applying same |
CN202672764U (en) * | 2012-08-13 | 2013-01-16 | 安徽富煌钢构股份有限公司 | Safety rope handrail for construction of building steel structure |
CN203048435U (en) * | 2012-12-27 | 2013-07-10 | 中联重科股份有限公司 | Safety device and crane provided with safety device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107840247A (en) * | 2017-10-24 | 2018-03-27 | 成都亨通兆业精密机械有限公司 | Based on the friction wheel hub for being easy to lifting in being constructed in mechanical hoisting |
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Application publication date: 20170829 |