CN102441244A - Anti-fall hook - Google Patents
Anti-fall hook Download PDFInfo
- Publication number
- CN102441244A CN102441244A CN2011101347082A CN201110134708A CN102441244A CN 102441244 A CN102441244 A CN 102441244A CN 2011101347082 A CN2011101347082 A CN 2011101347082A CN 201110134708 A CN201110134708 A CN 201110134708A CN 102441244 A CN102441244 A CN 102441244A
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- China
- Prior art keywords
- hook
- crank
- fixed
- corner
- hanger bulk
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Abstract
The invention relates to an anti-fall hook. The upper part of a hook body is provided with a hook bracket; the hook is fixed on the hook body by the hook bracket through a pin shaft; a guiding nut is connected with an upper bracket hole on the middle part of the hook body; a connecting plate and a ribbed plate are fixed on the upper bracket on the middle part and a lower hook on the lower part of the hook body by using an electric welding method; the upper part of a screw is connected with the hook through the pin shaft; a transmission wheel is fixed on the guiding nut on the lower part of the screw through a ring and a nut; a crank shaft is connected through a crank sleeve hole; a crank shaft pin is fixed on the crank shaft; a crank sleeve is fixed to the crank hinge by using an electric welding method; and the crank hinge is connected with a hinge hole of the connecting plate through a pin shaft. The anti-fall hook has the advantages that: an opening formed by the included angle of the hook is adjustable, so that the hook can be prevented from moving on a cable; the included angle of axes of two transmission gears is adjustable, so that the anti-fall hook can be suitable for locking at different positions; and the anti-fall hook has a simple structure and is convenient to operate.
Description
[technical field]
The present invention relates to the power maintenance technology field, specifically, is a kind of fall arrest hook.
[background technology]
One Chinese patent application numbers 200820178737.2 relates to falling proof device, and it is by being fixed on high strength expansion bolt and the inner core that is fixed on expansion bolt on the body of wall or forming with the high strength retainer ring of the inner core one of expansion bolt.The utility model is fixed on the correct position at transformer station wall bushing place, and the hook on the safety belt that the operating personnel uses can firmly be hung above that, to guarantee operating personnel's personal safety; Simple in structure; Mechanical strength is high, and easily the extension of safety belt is gone into and taken, and is safe and convenient to use; Install succinctly, adaptable across various transformer stations wall bushing place upkeep operation.
One Chinese patent application numbers 200920178613.9 relates to the high-altitude operations tool falling proof device, belongs to high-altitude safe operation technique field.It is made up of fixed cover, connecting band, flexible connection ring and hook, is connected with one through connecting band on the fixed cover and flexibly connects ring, is set with a rotating hook on it, and band spring self-lock pin is housed on the hook; The elasticity binder is housed on the described hook, and fixed cover can be made Wrist-guard structure or Waistband structure; Be enclosed within on the wrist or tie up between waist through fixed cover,, nimbly and freely, be not affected during the instrument use because the hook that is connected with instrument can arbitrarily rotate; When instrument can hang over it on wrist or the waist again during landing accidentally, make its not Crater face from hand; Thoroughly solved when work high above the ground and crashed into ground because of fortuitous event causes instrument to be slipped out of the hand; Make the personnel on ground or the problem that article come to harm; Can be applicable to various fall arrest like instruments such as spanner, clamp, screwdrivers, and simple in structure, use easy to carry.
One Chinese patent application numbers 201020178155.1 relates to the fall arrest safety hook, comprises the U type hanger bulk (2) that has gate (1), and an end of said gate (1) is through movable being connected with hanger bulk (2) tail end of rotational pin (3); Rotational pin (3) is provided with return torsion spring (4); It is characterized in that: be provided with the hollow action bars (5) that is fixedly connected with tail end at said hanger bulk (2) tail end, be provided with connecting ring (6), have simple in structure, advantages of simple operation in hollow action bars (5) and hanger bulk (2) tail end junction; Simultaneously; Adopt this hook not only can climb, and this hook just increased the opening size of hanger bulk, prolonged the length of hanger bulk the extra-high voltage iron tower; And do not increase the gear of body, so just make that hanger bulk weight is lighter.
Along with the continuous development of power industry, electrical network, power transmission and transformation station get more and more, and line maintenance workload in high-altitude increases, and former hook does not have anti-degeneration function, and hook moves on cable easily, has a strong impact on work high above the ground safety.For addressing the above problem, the present invention provides a kind of ability to be suitable for the various cables from φ 13mm to φ 40mm.Easy to operate, locking can be rotated in 60 degree scopes with the crank shaft position, and the cable of locking all size is guaranteed work high above the ground safety.
[summary of the invention]
The objective of the invention is to overcome the deficiency of prior art, a kind of fall arrest hook is provided.
The objective of the invention is to realize through following technical scheme:
A kind of fall arrest hook; Be provided with hook support 3 on the top of hanger bulk; Hook support 3 will be linked up with 2 through bearing pin 1 and be fixed on the hanger bulk, and upper bracket 5 holes at guiding nut 4 and hanger bulk middle part link to each other, and joint cover 10 and gusset 11 adopt electric soldering methods to be fixed on the lower draw-bar 12 of upper bracket 5 and bottom at hanger bulk middle part; Screw rod 6 tops 2 link through bearing pin and hook, screw rod 6 bottoms through enclose 8, nut 9 is fixed on drive 7 on the guiding nut 4; Crank axle 14 links through crank handle sleeve barrel 15 holes, and crank pivot pin 13 is fixed on the crank axle 14; Crank handle sleeve barrel 15 adopts electric soldering method to fix with crank hinge 19, and crank hinge 19 links through the pan of bearing pin 20 with joint cover 10; Be provided with corner guide rail 16 and corner location-plate 18 between upper bracket 5 and the crank handle sleeve barrel 15; Corner guide rail 16 is provided with a corner locator 17; Corner locator 17 inner balls withstand the locating hole on the corner location-plate 18 through spring, the corner location-plate are fixed, the angle of the crank axle 14 of locking.
Compared with prior art, good effect of the present invention is:
(1) the hook angle opening of fall arrest hook of the present invention is adjustable, can prevent that hook from moving at cable;
(2) axis angle of two travelling gears of the present invention is adjustable, can be adapted at diverse location locking;
(3) of the present invention simple in structure, easy to operate.
[description of drawings]
Fig. 1 structural representation of the present invention;
Fig. 2 A-A view of the present invention.
[specific embodiment]
The present invention below is provided a kind of specific embodiment of fall arrest hook.
See also and attach Fig. 1 and 2; A kind of fall arrest hook is provided with hook support 3 on the top of hanger bulk, and hook support 3 will be linked up with 2 through bearing pin 1 and be fixed on the hanger bulk; Guiding nut 4 links to each other with upper bracket 5 holes at hanger bulk middle part; Joint cover 10 and gusset 11 adopt on the lower draw-bar 12 of upper bracket 5 that electric soldering methods are fixed on the hanger bulk middle part and bottom, and screw rod 6 tops link through bearing pin and hook 2, screw rod 6 bottoms through enclose 8, nut 9 is fixed on drive 7 on the guiding nut 4; Crank axle 14 links through crank handle sleeve barrel 15 holes, and crank pivot pin 13 is fixed on the crank axle 14; Crank handle sleeve barrel 15 adopts electric soldering method to fix with crank hinge 19, and crank hinge 19 links through the pan of bearing pin 20 with joint cover 10; Be provided with corner guide rail 16 and corner location-plate 18 between upper bracket 5 and the crank handle sleeve barrel 15; Corner guide rail 16 is provided with a corner locator 17; Corner locator 17 inner balls withstand the locating hole on the corner location-plate 18 through spring, the corner location-plate are fixed, the angle of the crank axle 14 of locking.
When the present invention works: rotate crank axle 14, rotate through two travelling gears 7 and drive guiding nut 4 rotations, make screw rod 6 down, the opening angle of linking up with 2 is transferred to maximum.The hook 2 of anti-degeneration hook is hung on the cable.The diverse location required according to operating personnel; The angle of adjustment crank axle; One corner guide rail 16 and corner location-plate 18 arranged between upper bracket and the crank handle sleeve barrel, a corner locator 17 is arranged on the corner guide rail 16, the ball in the corner locator withstands the locating hole on the corner location-plate through spring; The corner location-plate is fixed, the crank shaft angle degree of locking; Hinge pivot pin 20 links to each other with crank axle 14 through crank hinge 19.Rotate crank axle 14 and make screw rod 6 up, the angle of hook 2 diminishes, the clamping cables line, and hook can not move at cable, guarantees work high above the ground safety.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the present invention's design; Can also make some improvement and retouching, these improvement and retouching also should be regarded as in protection scope of the present invention.
Claims (3)
1. a fall arrest is linked up with; It is characterized in that be provided with hook support on the top of hanger bulk, hook support is fixed on hook on the hanger bulk through bearing pin; Guiding nut links to each other with the upper bracket hole at hanger bulk middle part; Joint cover and gusset adopt on the lower draw-bar of upper bracket that electric soldering method is fixed on the hanger bulk middle part and bottom, and screw rod top links through bearing pin and hook, the screw rod bottom through enclose, nut is fixed on drive on the guiding nut; The crank axle links through the crank handle sleeve barrel hole, and the crank pivot pin is fixed on the crank axle; Crank handle sleeve barrel and crank hinge adopt electric soldering method to fix, and the crank hinge links through the pan of bearing pin and joint cover.
2. a kind of fall arrest hook as claimed in claim 1 is characterized in that be provided with corner guide rail and corner location-plate between upper bracket and the crank handle sleeve barrel, the corner guide rail is provided with a corner locator.
3. a kind of fall arrest hook as claimed in claim 2 is characterized in that the inner ball of described corner locator withstands the locating hole on the corner location-plate through spring, the corner location-plate is fixed, the angle of the crank axle of locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134708.2A CN102441244B (en) | 2011-05-23 | 2011-05-23 | Anti-fall hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134708.2A CN102441244B (en) | 2011-05-23 | 2011-05-23 | Anti-fall hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102441244A true CN102441244A (en) | 2012-05-09 |
| CN102441244B CN102441244B (en) | 2014-03-05 |
Family
ID=46004489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134708.2A Active CN102441244B (en) | 2011-05-23 | 2011-05-23 | Anti-fall hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102441244B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247959A (en) * | 2013-03-30 | 2013-08-14 | 国家电网公司 | Station-changeable anti-falling ground wire hook device |
| CN103566502A (en) * | 2013-10-09 | 2014-02-12 | 国家电网公司 | Personal safety appliance for preventing falling in whole process of climbing pole for line repair |
| CN107007952A (en) * | 2017-03-29 | 2017-08-04 | 温州赛凯劳动防护装备有限公司 | A kind of speed difference automatic controller of the overall deliverance apparatus of band |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006305057A (en) * | 2005-04-28 | 2006-11-09 | Fujii Denko Co Ltd | Locking metal hook for elevated place |
| CN101537239A (en) * | 2009-04-23 | 2009-09-23 | 上海市电力公司超高压输变电公司 | Dual-purpose fall protection device for angle iron and glide tack iron tower |
| CN201701664U (en) * | 2010-04-30 | 2011-01-12 | 重庆市电力公司电网检修分公司 | Anti-falling safe hook |
| CN202084845U (en) * | 2011-05-23 | 2011-12-21 | 上海市电力公司 | Anti-falling hook |
-
2011
- 2011-05-23 CN CN201110134708.2A patent/CN102441244B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006305057A (en) * | 2005-04-28 | 2006-11-09 | Fujii Denko Co Ltd | Locking metal hook for elevated place |
| CN101537239A (en) * | 2009-04-23 | 2009-09-23 | 上海市电力公司超高压输变电公司 | Dual-purpose fall protection device for angle iron and glide tack iron tower |
| CN201701664U (en) * | 2010-04-30 | 2011-01-12 | 重庆市电力公司电网检修分公司 | Anti-falling safe hook |
| CN202084845U (en) * | 2011-05-23 | 2011-12-21 | 上海市电力公司 | Anti-falling hook |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247959A (en) * | 2013-03-30 | 2013-08-14 | 国家电网公司 | Station-changeable anti-falling ground wire hook device |
| CN103247959B (en) * | 2013-03-30 | 2016-01-27 | 国家电网公司 | A kind of fall arrest lead wire and earth wire hooking device of replaceable station |
| CN103566502A (en) * | 2013-10-09 | 2014-02-12 | 国家电网公司 | Personal safety appliance for preventing falling in whole process of climbing pole for line repair |
| CN107007952A (en) * | 2017-03-29 | 2017-08-04 | 温州赛凯劳动防护装备有限公司 | A kind of speed difference automatic controller of the overall deliverance apparatus of band |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102441244B (en) | 2014-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. SHANGHAI ENGINEERING UNIV Free format text: FORMER OWNER: SHANGHAI ENGINEERING UNIV. Effective date: 20121015 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121015 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai University of Engineering Science Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai University of Engineering Science |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |