CN110038234A - A kind of rope rolling knapsack of guard system - Google Patents
A kind of rope rolling knapsack of guard system Download PDFInfo
- Publication number
- CN110038234A CN110038234A CN201910238619.9A CN201910238619A CN110038234A CN 110038234 A CN110038234 A CN 110038234A CN 201910238619 A CN201910238619 A CN 201910238619A CN 110038234 A CN110038234 A CN 110038234A
- Authority
- CN
- China
- Prior art keywords
- knapsack
- ropewinder
- shell
- rope rolling
- guard system
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 239000000872 buffer Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229920004933 Terylene® Polymers 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 208000012271 tenesmus Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
- Portable Outdoor Equipment (AREA)
Abstract
A kind of rope rolling knapsack of guard system, including knapsack shell, store the ropewinder of rope and the lockable mechanism of locking ropewinder, ropewinder is rotatably installed in knapsack shell, lockable mechanism is connect with ropewinder and knapsack shell respectively, rope rolling knapsack of the invention can be used for being fixed on the fixing piece in any position, convenient for being moved to entire security protection system, it is easy to operate, conveniently moving, locking quickly can be carried out to ropewinder when falling accident occurs, user is in falling speed when reducing locking, reduce the risk for personnel's secondary injury of falling, reduce high falling casualty accident.
Description
Technical field
The present invention relates to a kind of protective articles, and in particular, to a kind of rope rolling knapsack of guard system.
Background technique
The eminence in construction industry " three major injuries " (high falling, collapsing, object strike) accident occurs according to ASSOCIATE STATISTICS
Incidence highest, the risk of falling accident are very big.High fall accident be due to caused by high-rise working, therefore can be according to height
The classification form of place's operation simply classifies to high fall accident.According to " high-rise working classification " (GB/T 3608-
2008) regulation, it is all to be possible to the operation of the eminence fallen progress (containing 2m) more than height of fall datum level 2m, it is referred to as high
Locate operation.Conventional security band rope length is generally 1.5~2 meters, and scope of activities is small, and multiple decoupling device, hook are needed when a wide range of operation.It plucks
There are larger security risks during hanging.Sometimes worker is not carry out protecting i.e. investment construction life accordingly after figure facilitates decoupling device
It produces, safety accident is triggered at any moment！If merely increase safety rope length, impact displacement it is bigger, impact force is also stronger, according to correlative measurement
Trying the impact force that 5 meters of safety ropes of data generate is 20Kn or so, the ability to bear of remote super common people.
It is too simple for the rope rolling Knapsack structure of guard system on the market at present, locking is triggered in tenesmus accident occurs
Overlong time, since the triggered time is too long, the falling speed of user is too fast, is easy to cause secondary injury to user in locking,
And the mode of rope rolling knapsack installation on the market is excessively complicated, so that worker is not protected accordingly after figure facilitates decoupling device
That is investment construction production, be easy to cause serious safety accident.
Summary of the invention
Against the above deficiency, technical problem to be solved by the invention is to provide a kind of rope rolling knapsacks of guard system, use
In when fall event occurs, rope is quickly subjected to locking, reduces the secondary injury of user, and mounting means is simple, just
It is installed in user, improves production efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is that,
A kind of rope rolling knapsack of guard system including knapsack shell, stores the ropewinder of rope and the lock of locking ropewinder
Locking mechanism, ropewinder are rotatably installed in knapsack shell, and lockable mechanism is connect with ropewinder and knapsack shell respectively.
While using above technical scheme, the present invention, which is also further used or combined, uses following technical side
Case.
Lockable mechanism includes clutch and lock device, and clutch is fixedly connected on ropewinder, and lock device is rotatably installed in
On knapsack shell.
Clutch includes the stopping wheel and barrel bolt component with lock device cooperation, and barrel bolt component is fixedly connected on the end of stopping wheel
On face.
Barrel bolt component includes barrel bolt shell, barrel bolt and rebound spring, and barrel bolt shell is fixedly connected on the end face of stopping wheel, barrel bolt
It is slidably mounted in barrel bolt shell, one end of rebound spring is fixedly connected with barrel bolt shell inner wall, the other end and barrel bolt of rebound spring
It is fixedly connected.
Hangers and anti-drop assembly are equipped on knapsack shell, hangers is fixedly mounted on a side end face of knapsack shell, is prevented
De- component is mounted on the top of hangers.
Anti-drop assembly includes anticreep bolt and anticreep bolt pipe, and anticreep bolt pipe is fixedly mounted in knapsack shell, anticreep
Bolt is slidably mounted in anticreep bolt pipe.
It is fixedly connected to clutch at the both ends of ropewinder, passes through middle axis connection between ropewinder and clutch.
Ropewinder includes front end serving disk, rear end serving disk and rope rolling bar, is led between front end serving disk and rear end serving disk
Cross the connection of rope rolling bar, rope rolling bar opposed front end serving disk or the inclination of rear end serving disk.
Torque spring is equipped in ropewinder.
Knapsack shell is equipped with handle.
The invention has the advantages that (1) rope rolling knapsack of the invention can be used for being fixed on the fixation in any position
Easy to operate convenient for moving to entire security protection system on part, conveniently moving can be fast when falling accident occurs
Speed carries out locking to ropewinder, and user reduces the risk for personnel's secondary injury of falling in falling speed when reducing locking, reduces high
Place falls casualty accident.
(2) the automatic contraction that rope may be implemented by the setting of torque spring prevents rope excessively exposed in knapsack
Hull outside prevents exposed rope from causing security risk to worker's construction.
(3) there are hangers and anti-drop assembly on knapsack shell, prevent hangers from fixation by the setting of anti-drop assembly
It is skidded off in part, improves the stability of knapsack shell installation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the perspective structure schematic diagram of rope rolling knapsack.
Fig. 3 is the positive structure diagram of rope rolling knapsack.
Fig. 4 is the structural schematic diagram of safety belt buffers packet.
Fig. 5 is the expanded view of safety belt buffers packet.
Fig. 6 is the structural schematic diagram of ropewinder.
Fig. 7 is the structural schematic diagram of clutch.
Fig. 8 is the front view of lock device.
Fig. 9 is the side view of lock device.
Figure 10 is the structural schematic diagram of fixing piece.
Appended drawing reference: fixing piece 1, rope rolling knapsack 2, safety belt buffers packet 3, five-point safety band 4, knapsack shell 5, rope rolling
Device 6, lockable mechanism 7, clutch 8, lock device 9, axis 10, front end serving disk 11, rear end serving disk 12, rope rolling bar 13, torsion
Spring 14, stopping wheel 15, barrel bolt component 16, barrel bolt shell 17, barrel bolt 18, rebound spring 19, hangers 20, anti-drop assembly 21, anticreep
Bolt 22, anticreep bolt pipe 23, prefabricated card slot fixing piece 24, connecting rod 25, card slot 26, buffer strip 27, connection ring 28 are anti-oxidant
Plastic sheath 29, tearing type buffer cell 30, locking plate 31, trigger board 32, handle 33, anti-UV sewing thread 34.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
A kind of security protection system of movable self-locking, including fixing piece 1, rope rolling knapsack 2,3 and of safety belt buffers packet
Five-point safety band 4, rope rolling knapsack 2 and the removable connection of fixing piece 1, one end of safety belt buffers packet 3 and rope rolling knapsack 2 connect
It connects, the other end of safety belt buffers packet 3 is connect with five-point safety band 4, rope rolling knapsack 2 and the removable connection of fixing piece 1, fixed
Part 1 is fixed on the wall, and for providing a drawknot node for entire guard system, fixation can be respectively set on different location
Part, rope rolling knapsack 2 may be mounted on any fixing piece 1, easy to operate convenient for moving to entire security protection system,
Conveniently moving, can with safety belt buffers packet 3, the logical internal structure of safe buffering packet 3 is converted after being impacted, thus right
Tenesmus object is buffered, and the risk of injury for the personnel that fall is reduced, and reduces high falling casualty accident.
A kind of rope rolling knapsack of guard system, including knapsack shell 5, the ropewinder 6 of storage rope and locking ropewinder
Lockable mechanism 7, ropewinder 6 are rotatably installed in knapsack shell 5, and lockable mechanism 7 is connect with ropewinder 6 and knapsack shell 5 respectively,
Rope rolling knapsack of the invention can be used for being fixed on the fixing piece in any position, convenient for carrying out to entire security protection system
Mobile, easy to operate, conveniently moving quickly can carry out locking to ropewinder when falling accident occurs, use when reducing locking
The risk for personnel's secondary injury of falling is reduced in falling speed in family, reduces high falling casualty accident.
Lockable mechanism 7 includes clutch 8 and lock device 9, and clutch 8 is fixedly connected with ropewinder 6, the rotation peace of lock device 9
On knapsack shell 5, in some preferred modes, clutch 8 is fixedly connected at the both ends of ropewinder 6, it is preferred that
It is connected between ropewinder 6 and clutch 8 by axis 10.
In some preferred modes, ropewinder 6 includes front end serving disk 11, rear end serving disk 12 and rope rolling bar 13, preceding
It holds and is connected between serving disk 11 and rear end serving disk 12 by rope rolling bar 13, it is preferred that 13 opposed front end serving disk 11 of rope rolling bar
Or rear end serving disk 12 tilts, it is preferred that the tilt angle of rope rolling bar 13 and front end serving disk 11 is 20 ° -40 °, by rope rolling
Bar 13 is obliquely installed, and can avoid irregularly winding due to rope by the more neat of rope arrangement in rope rolling convenient for ropewinder 6
The mutual wrapping phenomena between ropewinder, caused rope causes the rope when ropewinder puts rope cannot be completely from rope rolling knapsack
Interior pull-out.
In some preferred modes, torque spring 14 is equipped in ropewinder 6, it can be with by the setting of torque spring 14
The automatic contraction for realizing rope prevents excessive exposed in knapsack hull outside of rope, prevents exposed rope from constructing to worker
Cause security risk.
Clutch 8 includes the stopping wheel 15 and barrel bolt component 16 with lock device cooperation, and barrel bolt component 16 is fixedly connected on only
On the end face of driving wheel 15, barrel bolt component 16 with lock device 9 for being cooperated, and when fall event occurs, clutch 8 quickly turns
Dynamic, barrel bolt component 16 works, and stirs lock device 9, and lock device 9 rotates, and lock device 9 is interfered with stopping wheel 15, so that
Stopping wheel 15 stops operating, so that 9 locking of ropewinder is tensed dropped object, in some preferred modes, stopping wheel 15
For ratchet, cooperated by ratchet and lock device 9, realizes latch functions.
Barrel bolt component 16 includes barrel bolt shell 17, barrel bolt 18 and rebound spring 19, and barrel bolt shell 17 is fixedly connected on stopping wheel 15
End face on, barrel bolt 18 is slidably mounted in barrel bolt shell 17, and one end of rebound spring 19 is fixedly connected with 17 inner wall of barrel bolt shell, return
The other end for playing spring 19 is fixedly connected with barrel bolt 18, and under normal conditions, barrel bolt 18 is contracted in barrel bolt shell 17, when stopping wheel 15 is fast
When speed rotation, since centrifugal force acts on, rebound spring 19 is elongated, and barrel bolt 18 stretches out in outside barrel bolt shell 17, stirs lock device 9, is locked
Only device 9 rotates, and lock device 9 is interfered with stopping wheel 15, so that stopping wheel 15 stops operating.
Hangers 20 and anti-drop assembly 21 are equipped on knapsack shell 5, hangers 20 is fixedly mounted on a side of knapsack shell 5
On face, anti-drop assembly 21 is mounted on the top of hangers 20, and hangers 20 is for being fixedly mounted in fixing piece 1, when hangers 20 is fixed
When being mounted in fixing piece 1, anti-drop assembly 21 is clamped with fixing piece 1, prevents hangers 20 from falling off out of fixing piece 1, is improved
Connective stability between knapsack shell 5 and fixing piece 1.
In some preferred modes, knapsack shell 5 is equipped with handle 33, is convenient for carrying out knapsack shell by handle 33
It lifts, provides convenience for mobile safety guard system.
Anti-drop assembly 21 includes anticreep bolt 22 and anticreep bolt pipe 23, and anticreep bolt pipe 23 is fixedly mounted on knapsack shell
In 5, anticreep bolt 22 is slidably mounted in anticreep bolt pipe 23, when hangers 20 is fixedly mounted in fixing piece 1, anticreep bolt
22 are clamped with fixing piece 1, prevent hangers 20 from falling off out of fixing piece 1.
Fixing piece 1 includes prefabricated card slot fixing piece 24 and connecting rod 25, is fixedly connected at the both ends of connecting rod 25 prefabricated
Card slot fixing piece 24, in prefabricated card slot fixing piece 24 be equipped with card slot 26, card slot be in inverted convex shape, including upper notch and
Hangers 20 is installed to card slot 26 by upper notch, is clamped hangers 20 by lower part notch, hangs by lower part notch
After ear 20 is installed in place, anticreep bolt 22 is inserted into the notch of lower part, prevents hangers 20 from falling off out of card slot 26.
In some preferred modes, fixing piece 1 is process by metal-integral, it can be achieved that pre- in cast-in-place structural
It buries, welding for steel structure (bolt) connection, assembled (bolt) connection.
Safe buffering packet 3 includes buffer strip 27 and connection ring 28, is respectively connected with connection ring 28 at the both ends of buffer strip 27,
The outer sheath of buffer strip 27 is equipped with anti-oxidant plastic sheath 29, prevents the exposure of buffer strip 27 in air by anti-oxidant plastic sheath 29
It aoxidizes, influences product quality.
Buffer strip 27 is made of three sections of tearing type buffer cells 30, and tearing type buffer cell 30 is sutured by three sections of terylene ribbons
It forms, three sections of terylene ribbon head and the tail connect, it is preferred that are sutured, fallen by anti-UV sewing thread 34 after three sections of terylene ribbon overlappings
The suture tears of ribbon two sides are passed through suture tears and the stiction of suture and ribbon by the acceleration of gravity generated when falling
Play the role of buffering, reduces the acceleration to fall during tearing, so that the impact force that rope is received when being straightened is reduced,
It prevents from rope from receiving excessive pulling force to tear, and also reduces the impact force that user receives, further increase safety
The safety of guard system.
Lock device 9 includes locking plate 31 and trigger board 32, and trigger board 32 is fixedly connected on locking plate 31, and 31 turns of locking plate
It is dynamic to be mounted on knapsack shell, in some preferred modes, locking step, locking step and ratchet are equipped on locking plate 31
On ratchet cooperation, play the role of locking.
In some preferred modes, barrel bolt component 16 is fixedly mounted on the inner side end of stopping wheel 15, corresponding touching
Hair plate 32 is fixedly connected on the inner side end of locking plate 31, by the way that barrel bolt component 16 is fixedly mounted on stopping wheel inner side end
On can effectively reduce the size of knapsack shell 5, and can prevent barrel bolt 18 in barrel bolt component 16 protruded tube pin boss 17 when
Time collides or interferes with knapsack shell 5, prevents there is a phenomenon where triggering to fail between barrel bolt 18 and trigger board 32, thus
Further increase the safety of this protection safety system.
The working principle of the invention is, when falling accident occurs, clutch is thrown away barrel bolt by centrifugal force effect and drives locking
Device plectrum constrains to be formed by lock device latch to ratchet, and rope is sent in the stuck termination of ropewinder.Simultaneous buffering packet passes through suture
Tearing starting pooling feature, can greatly reduce the risk of injury for the personnel that fall by these linkage measures, reduce high falling wound
Die causality loss.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention；Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Although the corresponding term of appended drawing reference in figure is used more herein, be not precluded using other terms can
It can property；The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any one
The additional limitation of kind is disagreed with spirit of that invention.
Claims (10)
1. a kind of rope rolling knapsack of guard system, which is characterized in that including knapsack shell (5), store rope ropewinder (6) and
The lockable mechanism (7) of locking ropewinder, ropewinder (6) are rotatably installed in knapsack shell (5), lockable mechanism (7) respectively with volume
It restricts device (6) and knapsack shell (5) connects.
2. a kind of rope rolling knapsack of guard system according to claim 1, which is characterized in that lockable mechanism (7) include from
Clutch (8) and lock device (9), clutch (8) are fixedly connected on ropewinder (6), and lock device (9) is rotatably installed in knapsack shell
(5) on.
3. a kind of rope rolling knapsack of guard system according to claim 2, which is characterized in that clutch (8) includes and lock
Only the stopping wheel (15) and barrel bolt component (16) of device cooperation, barrel bolt component (16) are fixedly connected on the end face of stopping wheel (15).
4. a kind of rope rolling knapsack of guard system according to claim 3, which is characterized in that barrel bolt component (16) includes pipe
Pin boss (17), barrel bolt (18) and rebound spring (19), barrel bolt shell (17) are fixedly connected on the end face of stopping wheel (15), barrel bolt
(18) it is slidably mounted in barrel bolt shell (17), one end of rebound spring (19) is fixedly connected with barrel bolt shell (17) inner wall, springs back bullet
The other end of spring (19) is fixedly connected with barrel bolt (18).
5. a kind of rope rolling knapsack of guard system according to claim 1, which is characterized in that set on knapsack shell (5)
There are hangers (20) and anti-drop assembly (21), hangers (20) is fixedly mounted on a side end face of knapsack shell (5), anti-drop assembly
(21) it is mounted on the top of hangers (20).
6. a kind of rope rolling knapsack of guard system according to claim 5, which is characterized in that anti-drop assembly (21) includes anti-
De- bolt (22) and anticreep bolt pipe (23), (23 are fixedly mounted in knapsack shell 5 anticreep bolt pipe, and anticreep bolt 22 slides
It is mounted in anticreep bolt pipe 23.
7. a kind of rope rolling knapsack of guard system according to claim 2, which is characterized in that at the both ends of ropewinder (6)
It is fixedly connected to clutch (8), is connect between ropewinder (6) and clutch (8) by axis (10).
8. a kind of rope rolling knapsack of guard system according to claim 1, which is characterized in that ropewinder (6) includes front end
Serving disk (11), rear end serving disk (12) and rope rolling bar (13), pass through between front end serving disk (11) and rear end serving disk (12)
Rope rolling bar (13) connection, rope rolling bar (13) opposed front end serving disk (11) or rear end serving disk (12) inclination.
9. a kind of rope rolling knapsack of guard system according to claim 8, which is characterized in that be equipped in ropewinder (6)
Torque spring (14).
10. a kind of rope rolling knapsack of guard system according to claim 1, which is characterized in that knapsack shell (5) is equipped with
Handle (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238619.9A CN110038234B (en) | 2019-03-27 | 2019-03-27 | Rope winding knapsack of protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238619.9A CN110038234B (en) | 2019-03-27 | 2019-03-27 | Rope winding knapsack of protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110038234A true CN110038234A (en) | 2019-07-23 |
| CN110038234B CN110038234B (en) | 2024-02-20 |
Family
ID=67275308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910238619.9A Active CN110038234B (en) | 2019-03-27 | 2019-03-27 | Rope winding knapsack of protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110038234B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586371A (en) * | 2021-09-01 | 2021-11-02 | 翟红霞 | Automatic cleaning device of aerogenerator blade that can laminate blade walking |
| WO2022057349A1 (en) * | 2020-09-21 | 2022-03-24 | 中兴通讯股份有限公司 | Damping device and cpe assembly |
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| CN203989530U (en) * | 2014-05-26 | 2014-12-10 | 福建省连江县迅捷技术孵化有限公司 | A kind of system equipment with fire fighting and rescue function for building |
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| CN203944051U (en) * | 2014-06-24 | 2014-11-19 | 北京成昊硕电气科技有限公司 | A kind of telescopic anti-fall Lanyard device and full body harness thereof |
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| CN105151942A (en) * | 2015-10-28 | 2015-12-16 | 中国矿业大学 | Cage-separating type miner safety protection device and method for vertical shaft lifter rope-breakage cage-crashing accident |
| CN205323048U (en) * | 2016-01-18 | 2016-06-22 | 山西清泽环境科技有限公司 | Urgent locking formula of safe type rope of being under construction perpendicularly |
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| CN205698975U (en) * | 2016-05-03 | 2016-11-23 | 温州德拓电力器材有限公司 | A kind of work high above the ground falling proof device |
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| CN208243944U (en) * | 2018-04-10 | 2018-12-18 | 刘坤 | A kind of active defense safety rope |
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| CN113586371A (en) * | 2021-09-01 | 2021-11-02 | 翟红霞 | Automatic cleaning device of aerogenerator blade that can laminate blade walking |
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