CN108578924A - The anti-fall Self-locking hanging hook of power grid working at height - Google Patents
The anti-fall Self-locking hanging hook of power grid working at height Download PDFInfo
- Publication number
- CN108578924A CN108578924A CN201810605464.3A CN201810605464A CN108578924A CN 108578924 A CN108578924 A CN 108578924A CN 201810605464 A CN201810605464 A CN 201810605464A CN 108578924 A CN108578924 A CN 108578924A
- Authority
- CN
- China
- Prior art keywords
- support
- drive link
- hook
- falling piece
- linkage mechanism
- 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.)
- Pending
Links
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
Abstract
The invention discloses a kind of anti-fall Self-locking hanging hooks of power grid working at height, including hook body, pulley, crawl hinge, linkage mechanism and anti-falling piece；The hook body includes the identical symmetrically arranged hook-type plate by multigroup identical screw connection of two panels, the pulley is fixed on the lower end of the hook-type plate by axis connection, and the crawl hinge and anti-falling piece are connected and installed in the top of the hook body by the linkage mechanism；It captures hinge, linkage mechanism and anti-falling piece and forms a tension force combination, control opening and the closing of anti-falling piece.Anti-fall Self-locking hanging hook of the present invention is that the change to existing power grid high-altitude operations tool improves, have many advantages, such as light structure, is convenient for carrying, is easy to operate, security performance is high, it improves work efficiency, the scope of application is widened, and efficiently solves the problems, such as to link up with during power grid working at height mounting and anti-fall.
Description
Technical field
The present invention relates to engineering machinery field more particularly to a kind of anti-fall Self-locking hanging hooks of power grid working at height.
Background technology
Power grid working at height is the routine work of power supply industry, and in daily power grid working at height, electrician needs to climb
To operating area, then the safety rope hanging of oneself safety belt is connected on cross arm of tower or aerial cable, to ensure oneself to take notice of
When falling outside, buffering, suspension and fall arrest can be played the role of.The working at height product and device applied at present, mainly have
Somersault coaster or common pulley hook are only capable of meeting means suitable, and somersault coaster opening is smaller, and there is pulley on top, general only to use
In suspension aerial cable, it is impossible to be used in head tower cross-arm is hung, otherwise common pulley hook is easy to happen and falls off without self-locking device
Cause falling accident or opening smaller, it is difficult to find suitable cross-arm hanging position, there is significant limitation.
Therefore, urgent need exploitation one kind is simple and easy to use, can hang and have on arbitrary cross arm of tower or aerial cable
The hook of standby self-locking function, to solve the problems, such as power grid working at height long-term existence.
Invention content
The technical problem to be solved by the present invention is to overcome defect described above, provide that a kind of application method is easy, adapts to
Property it is strong, can lock automatically, the safe anti-fall Self-locking hanging hook of power grid working at height.
In order to solve the problems, such as techniques described above, the anti-fall Self-locking hanging hook of power grid working at height of the present invention, including hook
Main body, pulley, crawl hinge, linkage mechanism and anti-falling piece, the hook body include that two panels is identical symmetrically arranged by more
The hook-type plate of the identical screw connection of group, the pulley are fixed on the lower end of the hook-type plate, the crawl hinge by axis connection
The top of the hook body is connected and installed in by the linkage mechanism with anti-falling piece；
The linkage mechanism includes front and back two parts, and linkage mechanism front includes preceding first support, preceding second support and two panels pair
The preceding drive link for claiming setting is connected between the preceding first support and preceding drive link, preceding second support by preceding upper fixing axle
It connects, is gone up before described and be arranged with forward axis spring in fixing axle, the opposite side of the preceding first support and preceding drive link is set respectively
Open front fixing groove is equipped with, before the both ends of the forward axis spring are individually fixed in the preceding first support and preceding drive link
At the fixing groove that is open；The anti-falling piece is between the preceding first support and preceding drive link, the upper end of the anti-falling piece
It is provided with holder mounting hole and connecting rod mounting hole, the anti-falling piece is by front lower fixing axle through holder mounting hole and described preceding first
Holder connection is connect by anti-falling piece fixing axle through connecting rod mounting hole with the lower part of the preceding drive link and preceding second support；
Linkage mechanism rear portion includes drive link and rear second support after rear first support, two panels are symmetrically arranged, it is described after first
Axis connection is fixed after passing through between frame, rear drive link and rear second support, and rear shaft spring is arranged in the rear fixing axle,
After-opening fixing groove is provided in the rear drive link, rear second support, the both ends of the rear shaft spring are individually fixed in
After described at the after-opening fixing groove of drive link and rear second support；It is described after first support, rear second support top and
Lower part is respectively arranged with connecting hole, and the rear first support and rear second support are connected and fixed with screw by the connecting hole；
Both sides, the side of preceding drive link and the side of rear drive link of the crawl hinge are provided with screw hole, use screw
The crawl hinge, preceding drive link and rear drive link are flexibly connected by corresponding screw hole, make the crawl
Hinge, preceding drive link, rear drive link and anti-falling piece form one by the forward axis spring and rear shaft tension force of spring
The combination of control controls opening and the closing of anti-falling piece；The preceding first support, preceding second support, rear first support and rear
The side of two holders is connected and fixed on screw on the hook-type plate respectively.
Further, hook body of the present invention and crawl hinge are made by carbon fiber plate material.
Preferably, crawl hinge of the present invention is made as standard component with the linkage mechanism.
Crawl hinge of the present invention by the linkage mechanism shaft spring tension, is in open shape under natural conditions
State, the anti-falling piece closing at this time, hook is in closing self-locking state；When the crawl hinge is closed by grip force, hinge is connected
6 screws drive front and back drive link along fixing axle Unscrew, while the rotation axis of the anti-falling piece being driven rotate, opening
The anti-falling piece, hook are in the open state.It suspended on the safety rope being connect with operating personnel on the pulley of hook body lower part
（To working at height, personnel protect）, when linking up with to close self-locking state, as it is articulated in cross arm of tower or overhead line
On cable, operating personnel carries out working at height, and operation finishes, and by manual hand manipulation or operation pincers operation, crawl hinge is clamped,
So that hook is in an open state, is removed from cross arm of tower or aerial cable.
Beneficial effects of the present invention：Anti-fall Self-locking hanging hook of the present invention is the change to existing power grid high-altitude operations tool
Property improve, have many advantages, such as light structure, be convenient for carrying, be easy to operate；Crawl hinge once receive one put can make opening of hook or
It closes, it is all extremely convenient to mount and remove, and is directly mounted on head tower cross-arm, and once mounting in place, avoids repeating operation, improves work
Make efficiency；In mounting can self-locking, security performance greatly improves；Hook is fabricated to plurality of specifications as needed, is suitable for not
With head tower cross-arm and aerial cable, the scope of application is widened, and reduces Work tool quantity；Linkage mechanism reasonable design is laborsaving, whole
A operation one hand can be completed, and a large amount of power grid working at height scenes are can be suitably used for.
Description of the drawings
Structural schematic diagram when Fig. 1 is anti-fall Self-locking hanging hook self-locking of the present invention；
Fig. 2 is structural schematic diagram when anti-fall Self-locking hanging hook of the present invention is opened；
Fig. 3 is each modular construction and position relationship schematic diagram of anti-fall Self-locking hanging hook of the present invention；
Fig. 4 is the structural schematic diagram of linkage mechanism front of the present invention（One of）；
Fig. 5 is the structural schematic diagram of linkage mechanism front of the present invention（Two）；
Fig. 6 is the structural schematic diagram at linkage mechanism rear portion of the present invention（One of）；
Fig. 7 is the structural schematic diagram of linkage mechanism front of the present invention（Two）.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and examples, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
The anti-fall Self-locking hanging hook of power grid working at height of the present invention, including hook body 1, pulley 2, crawl hinge 4, linkage
Mechanism 3 and anti-falling piece 5, the hook body 1 include the identical symmetrically arranged hook-type by multigroup identical screw connection of two panels
Plate 21, the pulley 2 are fixed on the lower end of the hook-type plate 21 by axis connection, and the crawl hinge 4 and anti-falling piece 5 pass through institute
State the top that linkage mechanism 3 is connected and installed in the hook body 1；
The linkage mechanism 3 includes front and back two parts, and linkage mechanism front includes preceding first support 8, preceding second support 6 and two panels
Symmetrically arranged preceding drive link 7, by preceding solid between the preceding first support 8 and preceding drive link 7, preceding second support 6
Dead axle 9 connects, and is arranged with forward axis spring 10 before described in upper fixing axle 9, the preceding first support 8 and preceding drive link 7
Opposite side is respectively arranged with open front fixing groove 23, and the both ends of the forward axis spring 10 are individually fixed in the preceding first support
8 and preceding drive link 7 open front fixing groove 23 at；The anti-falling piece 5 is located at the preceding first support 8 and preceding drive link 7
Between, the upper end of the anti-falling piece 5 is provided with holder mounting hole 19 and connecting rod mounting hole 20, and the anti-falling piece 5 is by front lower
Fixing axle 11 is connect through holder mounting hole 19 with the preceding first support 8, by 12 through connecting rod mounting hole 20 of anti-falling piece fixing axle
It is connect with the lower part of the preceding drive link 7 and preceding second support 6；Linkage mechanism rear portion includes rear first support 13, two panels pair
Claim the rear drive link 14 and rear second support 15 of setting, the rear first support 13, rear drive link 14 and rear second support
Connected by rear fixing axle 16 between 15, be arranged with rear shaft spring 17 after described in fixing axle 16, it is described after drive link 14,
After-opening fixing groove 24 is provided in second support 15 afterwards, the both ends of the rear shaft spring 17 are individually fixed in the rear driving
At the after-opening fixing groove 24 of connecting rod 14 and rear second support 15；It is described after first support 13, rear second support 15 top and
Lower part is respectively arranged with connecting hole 18, and the rear first support 13 passes through the connecting hole 18 with the screw of rear second support 15 and connects
Connect fixation；
Both sides, the side of preceding drive link 7 and the side of rear drive link 17 of the crawl hinge 4 are provided with screw hole 22,
The crawl hinge 4, preceding drive link 7 and 17 activity of rear drive link are connected by corresponding screw hole 22 with screw
It connects, the crawl hinge 4, preceding drive link 7, rear drive link 14 and anti-falling piece 5 is made to form one by the forward axis spring
10 and rear shaft spring 17 tension force combination, control anti-falling piece 5 opening and closing；The preceding first support 8, preceding
The side of two holders 5, rear first support 13 and rear second support 15 is connected and fixed on screw on the hook-type plate 21 respectively.
Further, hook body 1 of the present invention and crawl hinge 4 are made by carbon fiber plate material.
Preferably, crawl hinge 4 of the present invention is made as standard component with the linkage mechanism 3.
Embodiment：Hook body 1 of the present invention and crawl hinge 4 are made of hollow out carbon fiber plate material, can larger amplitude
Degree mitigates hook overall weight, and has insulation performance, adapts to livewire work scene and uses；The crawl hinge 4 and gear
Each component of structure is fabricated to standard component, is convenient for changing, and hook body has different dimensions, constitutes a whole set of and adapts to not have to shaft tower cross
The component for carrying on a shoulder pole size and cable chooses the component of corresponding size according to different operating scene, meets different demands.
It is connected and fixed by multigroup identical screw among the identical hook-type plate of two panels 21 and forms hook body 1, two panels hook-type plate
Pulley 2 is installed in 21 lower end by axis, for mounting lifting rope or traction rope.
The linkage mechanism 3 includes referring especially to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, including front and back two parts, linkage mechanism front
One preceding first support, 8, preceding second supports 6, preceding drive link 7, preceding upper fixing axle 9 and front lower fixing axle 11 are symmetrical
Two be arranged, the anti-falling piece 5 are also symmetrically arranged two bars, preceding first support 8 and preceding drive link 7, second first
It is connected by preceding upper fixing axle 9 between frame 6, forward axis spring 10, the both ends of forward axis spring 10 is arranged in preceding upper fixing axle 9
Before being individually fixed at the open front fixing groove 23 of first support 8 and preceding drive link 7；Anti-falling piece 5 passes through with preceding first support 8
Front lower fixing axle 11 is connected through holder mounting hole 19, and anti-falling piece 5 is solid by anti-falling piece with preceding drive link 7 and preceding second support 6
12 through connecting rod mounting hole 20 of dead axle connects；Linkage mechanism rear portion includes second support 15 after first support 13, one after one, after
Drive link 14, afterwards upper fixing axle 16 and rear lower fixing axle 18 are symmetrically arranged two, rear first support 13 and rear driving
It is connected by rear fixing axle 16 between connecting rod 14, rear second support 15, rear shaft spring 17 is arranged in rear fixing axle 16, it is rear to turn
The both ends of axis spring 17 are individually fixed at the after-opening fixing groove 24 of rear drive link 14 and rear second support 15；First afterwards
It is connected and fixed with screw by upper and lower connecting hole 18 between frame 13 and rear second support 15.
The linkage mechanism is installed between two blocks of hook-type plates, and linkage mechanism front is connected to anti-falling piece and is located at hook body
The front side on top, linkage mechanism rear portion are located at the rear side on hook body top；The both sides of the crawl hinge 4, preceding drive link 7
Be respectively provided with identical screw hole 22 with the side of rear drive link 17, with screw by corresponding screw hole 22 will capture hinge 4,
Preceding drive link 7 and rear drive link 17 are flexibly connected；Preceding first support 8, preceding second support 5, rear first support 13 and rear
The side of two holders 15 is fastened on screw on two panels hook-type plate 21 respectively, forms a complete anticreep Self-locking hanging hook.
The crawl hinge 4, preceding drive link 7, rear drive link 14 and anti-falling piece 5 form one by forward axis spring 10 and rear shaft
The combination of the tension force of spring 17, to control opening and the closing of anti-falling piece 5.
Hook body forms interaction relation as holder, crawl hinge 4, linkage mechanism and anti-falling piece, is closed per a piece of crawl
Page and 1 connectionless relationship of hook body.Under natural conditions（Without chucking power）, since the forward axis spring 10 on linkage mechanism is with after
The tension of shaft spring 17, makes before two panels that upper fixing axle 9 rotates outward opening before the upper end edge of drive link 7, is driven after two panels
Upper fixing axle 16 rotates outward openings after the upper end edge of connecting rod 14, and it is in the open state, two panels at this time to make two panels crawl hinge 4
7 lower end of preceding drive link is inwardly tightened, and so that two panels anti-falling piece 5 is rotated inward tightening by lower fixing axle 12 and is closed up, hook is in
Self-locking state is closed, as shown in Figure 1；As shown in Fig. 2, when crawl hinge 4 is by grip force（External force）It closes, crawl hinge 4 drives
7 upper end of drive link rotates inward before two panels, and lower end is opened, and driving anti-falling piece 5 is rotated along front lower fixing axle 11 and opened, and opens anti-
De- part 5, keeps hook in the open state.When crawl 4 stress of hinge is eliminated, anti-falling piece 5 is closed, and hook restores to close self-locking shape
State.
Pulley 2, linkage mechanism 3, crawl hinge 4 and anti-falling piece 5 are standard component, and replaceable, hook body 1 has different sizes
Specification constitutes a whole set of component for adapting to not have to cross arm of tower size and cable, corresponding size is chosen according to different operating scene
Component.
In power grid working at height, when needing to carry out safety rope or traction rope mounting, crawl hinge is held by human hand, and
It firmly clamps, anti-falling piece is made to open, hook is articulated on cross arm of tower or aerial cable, unclamp hand, link up with automatic locking, it will
Safety rope is mounted across pulley.After the completion of work, crawl hinge is held, and firmly clamp, so that anti-falling piece is opened, you can to take
Lower draw-bar.Anti-fall Self-locking hanging hook of the present invention can also be hung in addition to manual mode of operation by the clamp with telescopic rod
It connects, can also coordinate with unmanned plane and be mounted.Hook body is articulated on cross arm of tower or aerial cable, is carried out by anti-falling piece
Self-locking, full rope are mounted across pulley.
The foregoing is merely the section Examples of the present invention should all fall into the present invention as long as having used structure described above
Protection domain.
Claims (3)
1. a kind of anti-fall Self-locking hanging hook of power grid working at height, including hook body（1）, pulley（2）, crawl hinge（4）, gear
Structure（3）And anti-falling piece（5）, which is characterized in that the hook body（1）It is identical symmetrically arranged by multigroup identical including two panels
The hook-type plate of screw connection（21）, the pulley（2）It is fixed on the hook-type plate by axis connection（21）Lower end, the crawl
Hinge 4 and anti-falling piece 5 are connected and installed in the top of the hook body 1 by the linkage mechanism 3；
The linkage mechanism（3）Including front and back two parts, linkage mechanism front includes preceding first support（8）, preceding second support（6）
With the symmetrically arranged preceding drive link of two panels（7）, the preceding first support（8）With preceding drive link（7）, preceding second support（6）
Between pass through preceding upper fixing axle（9）Connection, upper fixing axle before described（9）On be arranged with forward axis spring（10）, described preceding first
Holder（8）With preceding drive link（7）Opposite side be respectively arranged with open front fixing groove（23）, the forward axis spring（10）'s
Both ends are individually fixed in the preceding first support（8）With preceding drive link（7）Open front fixing groove（23）Place；The anti-falling piece
（5）Positioned at the preceding first support（8）With preceding drive link（7）Between, the anti-falling piece（5）Upper end to be provided with holder solid
Determine hole（19）With connecting rod mounting hole（20）, the anti-falling piece（5）Pass through front lower fixing axle（11）Through holder mounting hole（19）With institute
State preceding first support（8）Connection passes through anti-falling piece fixing axle（12）Through connecting rod mounting hole（20）With the preceding drive link（7）With
Preceding second support（6）Lower part connection；Linkage mechanism rear portion includes rear first support（13）, two panels it is symmetrically arranged after driving connect
Bar（14）With rear second support（15）, the rear first support（13）, rear drive link（14）With rear second support（15）Between
Pass through rear fixing axle（16）Connection, the rear fixing axle（16）On be arranged with rear shaft spring（17）, the rear drive link
（14）, rear second support（15）On be provided with after-opening fixing groove（24）, the rear shaft spring（17）Both ends fix respectively
The drive link after described（14）With rear second support（15）After-opening fixing groove（24）Place；First support after described（13）、
Second support afterwards（15）Upper and lower part be respectively arranged with connecting hole（18）, the rear first support（13）With rear second support
（15）Pass through the connecting hole with screw（18) it is connected and fixed；
Both sides, the side of preceding drive link (7) and the side of rear drive link (17) of the crawl hinge (4) are provided with screw
Hole (22) is driven the crawl hinge (4), preceding drive link (7) and afterwards with screw by corresponding screw hole (22)
Connecting rod (17) is flexibly connected, and makes the crawl hinge (4), preceding drive link (7), rear drive link (14) and anti-falling piece (5) group
At a combination by the forward axis spring (10) and the tension force of rear shaft spring (17), control anti-falling piece (5) is beaten
Push And Release closes；The preceding first support (8), preceding second support (5), rear first support (13) and rear second support (15) side
It is connected and fixed on the hook-type plate (21) with screw respectively.
2. the anti-fall Self-locking hanging hook of power grid working at height according to claim 1, which is characterized in that the hook body (1) and
Hinge (4) is captured to be made by carbon fiber plate material.
3. the anti-fall Self-locking hanging hook of power grid working at height according to claim 1, it is characterised in that：The crawl hinge (4) with
The linkage mechanism (3) is made as standard component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605464.3A CN108578924A (en) | 2018-06-13 | 2018-06-13 | The anti-fall Self-locking hanging hook of power grid working at height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605464.3A CN108578924A (en) | 2018-06-13 | 2018-06-13 | The anti-fall Self-locking hanging hook of power grid working at height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108578924A true CN108578924A (en) | 2018-09-28 |
Family
ID=63623536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810605464.3A Pending CN108578924A (en) | 2018-06-13 | 2018-06-13 | The anti-fall Self-locking hanging hook of power grid working at height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108578924A (en) |
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|---|---|---|---|---|
| JP2005022806A (en) * | 2003-07-01 | 2005-01-27 | Kurimoto Ltd | Crane hook provided with locking device |
| JP2007239231A (en) * | 2006-03-06 | 2007-09-20 | Daiwa House Ind Co Ltd | Suspending tool |
| CN101069772A (en) * | 2007-06-15 | 2007-11-14 | 贵州超高压运行检修公司 | Anti-drop method for climbing iron tower of power transmission line |
| CN203122000U (en) * | 2013-01-28 | 2013-08-14 | 陈佩 | Anti-disengaging hook |
| CN104207601A (en) * | 2014-09-30 | 2014-12-17 | 河南科技大学 | Repulsive-magnetism self-locking windproof clothes hanger |
| CN106892349A (en) * | 2017-04-27 | 2017-06-27 | 钦州学院 | The self-locking suspension hook of anti-oscillating |
| CN206588849U (en) * | 2017-03-31 | 2017-10-27 | 重庆长安汽车股份有限公司 | One kind positioning anchor pin avoiding abscission device |
| CN206705517U (en) * | 2017-04-27 | 2017-12-05 | 钦州学院 | Can automatic shutter crane hook |
| CN107963008A (en) * | 2017-11-28 | 2018-04-27 | 中国船舶重工集团公司第七0四研究所 | One kind is quickly tethered at release adjuster |
| CN208726580U (en) * | 2018-06-13 | 2019-04-12 | 云南电网有限责任公司红河供电局 | The anti-fall Self-locking hanging hook of power grid high altitude operation |
-
2018
- 2018-06-13 CN CN201810605464.3A patent/CN108578924A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005022806A (en) * | 2003-07-01 | 2005-01-27 | Kurimoto Ltd | Crane hook provided with locking device |
| JP2007239231A (en) * | 2006-03-06 | 2007-09-20 | Daiwa House Ind Co Ltd | Suspending tool |
| CN101069772A (en) * | 2007-06-15 | 2007-11-14 | 贵州超高压运行检修公司 | Anti-drop method for climbing iron tower of power transmission line |
| CN203122000U (en) * | 2013-01-28 | 2013-08-14 | 陈佩 | Anti-disengaging hook |
| CN104207601A (en) * | 2014-09-30 | 2014-12-17 | 河南科技大学 | Repulsive-magnetism self-locking windproof clothes hanger |
| CN206588849U (en) * | 2017-03-31 | 2017-10-27 | 重庆长安汽车股份有限公司 | One kind positioning anchor pin avoiding abscission device |
| CN106892349A (en) * | 2017-04-27 | 2017-06-27 | 钦州学院 | The self-locking suspension hook of anti-oscillating |
| CN206705517U (en) * | 2017-04-27 | 2017-12-05 | 钦州学院 | Can automatic shutter crane hook |
| CN107963008A (en) * | 2017-11-28 | 2018-04-27 | 中国船舶重工集团公司第七0四研究所 | One kind is quickly tethered at release adjuster |
| CN208726580U (en) * | 2018-06-13 | 2019-04-12 | 云南电网有限责任公司红河供电局 | The anti-fall Self-locking hanging hook of power grid high altitude operation |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180928 |