CN109454181A - A kind of fall arrest bolt clipper - Google Patents
A kind of fall arrest bolt clipper Download PDFInfo
- Publication number
- CN109454181A CN109454181A CN201810581353.3A CN201810581353A CN109454181A CN 109454181 A CN109454181 A CN 109454181A CN 201810581353 A CN201810581353 A CN 201810581353A CN 109454181 A CN109454181 A CN 109454181A
- Authority
- CN
- China
- Prior art keywords
- tong arm
- interlocking bar
- positioning pin
- guide sleeve
- bolt clipper
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/02—Hand-operated metal-shearing devices
- B23D29/023—Hand-operated metal-shearing devices for cutting wires
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to line construction apparatus field more particularly to a kind of fall arrest bolt clippers.It includes binding clip, the first tong arm and the second tong arm, first tong arm and hinged first tong arm of the second tong arm are equipped with interlocking bar, and the second tong arm is equipped with relief hole, and interlocking bar passes through relief hole, guide sleeve and positioning pin are equipped in second tong arm, positioning pin is slidably arranged in guide sleeve；Spring is equipped in guide sleeve, positioning pin is contacted far from one end of spring with interlocking bar, and interlocking bar is equipped with and the matched location hole of positioning pin；The outer wall of second tong arm is equipped with suspension hook and strip, and the middle part of strip is hinged on suspension hook by shaft, and shaft is equipped with torsional spring, and the other end of strip is equipped with drawstring, and drawstring penetrates into guide sleeve to be connected with positioning pin.The present invention can prevent operating personnel from resting on bolt clipper is floating on electric utility, while can be improved operating personnel's working efficiency, reducing physical demands.
Description
Technical field
The present invention relates to line construction apparatus field more particularly to a kind of fall arrest bolt clippers.
Background technique
Distribution line is regular during project construction, line maintenance and elimination of equipment defect to be needed to cut cable, leads
The big cross section metal wire rod such as line, wirerope, reinforcing bar.Manual bolt clipper is commonly called as giant bow compass and is divided into hand and ratchet-type, because of operation
Simply, cheap and be widely used in the work such as power construction, O&M.
In power construction, on-site personnel is to be in high aerial (on electric pole or on steel tower), due on bar at the scene
The use of bolt clipper is not that once can be completed, interim circulation is needed to use, it will be above and below bolt clipper according to regulatory requirements
Transmitting or high-altitude binding and fixing are carried out the work, and operating personnel will pay very big physical demands.Therefore operating personnel often schemes
Facilitate to float bolt clipper for the moment and rest on electric utility.When the behaviors such as body rotations, operation of the operating personnel on bar at any time all
It is likely to cause and accidentally touches bolt clipper and it is caused to fall, if ground someone stays or passes through, once hit people and animals
Or ground installation will lead to a disaster, it is dangerous that there are potential falling from high altitude.
Chinese patent Authorization Notice No. CN 203826848 U, authorized announcement date 2014.09.10, entitled " bolt clipper
Hook " discloses a kind of hook for bolt clipper to be fixed on crosspiece, but this bolt clipper hook can not prevent from making
Bolt clipper is floated and is rested on electric utility by industry personnel, however it remains danger of potentially falling.
Summary of the invention
The purpose of the invention is to overcome in the prior art to lead floating rest on electric utility of bolt clipper because of operating personnel
Cause there are the deficiency of falling from high altitude danger, provide it is a kind of can prevent from operating personnel from floating bolt clipper resting on electric utility, simultaneously
The fall arrest bolt clipper for improving operating personnel's working efficiency, reducing physical demands.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of fall arrest bolt clipper, including
Binding clip, the first tong arm and the second tong arm, the first tong arm and the second tong arm are hinged, and first tong arm is equipped with interlocking bar,
Second tong arm is equipped with the relief hole passed through for interlocking bar, and interlocking bar passes through relief hole, and the second tong arm is interior equipped with guide sleeve and fixed
Position pin, positioning pin are slidably arranged in guide sleeve；Be equipped with spring in the guide sleeve, the both ends of spring respectively with the bottom of guide sleeve and
Position pin contacts, positioning pin contacts far from one end of spring with interlocking bar, interlocking bar equipped with the matched location hole of positioning pin,
When binding clip cuts wire rod, positioning pin is located in location hole；The outer wall of second tong arm is equipped with suspension hook and strip, the middle part of strip
Be hinged on suspension hook by shaft, shaft is equipped with torsional spring for being against one end of strip on suspension hook inner ring, strip it is another
One end is equipped with drawstring, and drawstring penetrates into guide sleeve, and one end that drawstring is located in guide sleeve is connected with positioning pin.
During operating personnel cuts wire rod using bolt clipper, the first tong arm is moved closer to the second tong arm, interlocking bar
Opposite relief hole is subjected to displacement, and when binding clip cuts wire rod, the first tong arm and the second tong arm reach the limit of position and cannot continue at this time
Close, positioning pin drops into location hole, and bolt clipper can not be reused by lockking the first tong arm and the second tong arm, operating personnel.Operation
Personnel need to hang over bolt clipper on electric utility by suspension hook, and during hanging, strip can rotate certain angle, pass through
Positioning pin is pulled out location hole by drawstring, releases the lock state of the first tong arm and the second tong arm, and when subsequent operation takes bolt clipper
It is lower to can be used.If bolt clipper is not hung on electric utility, bolt clipper is not available, and such operating personnel must will break
Pincers hanging, so that next time uses, can prevent operating personnel from floating bolt clipper and rest on electric utility, reduce very on electric utility
To elimination bolt clipper falling from high altitude risk.
Preferably, the interlocking bar is arc-shaped, the center of circle of the hinge joint and interlocking bar of the first tong arm and the second tong arm
It is overlapped.When guaranteeing that the first tong arm and the second tong arm open and close, interlocking bar can successfully shuttle in relief hole, be not susceptible to card
, while the extension elongation of positioning pin can be made to be consistent, until falling into location hole, it is conducive to stable structure.
Preferably, the interlocking bar is located at one end on the first tong arm close to binding clip.Close to binding clip, interlocking bar can be made
Be sized to it is smaller.
Preferably, the interlocking bar is equipped with guide groove, positioning pin is located in guide groove far from one end of spring, positions hole location
In the bottom of guide groove.Guide groove plays guiding and position-limiting action to positioning pin, steadily falls into location hole conducive to positioning pin.
Preferably, being equipped with fixed pulley in second tong arm, fixed pulley is located at the top of guide sleeve, and drawstring passes through fixed sliding
Wheel.Fixed pulley changes the trend of drawstring, adjusts the Impact direction of drawstring, and drawstring is made to be easier to pull positioning pin.
Preferably, the bottom of the guide sleeve be equipped with the first lacing hole, the second tong arm be equipped with the second lacing hole, drawstring according to
It is secondary to pass through the first lacing hole, fixed pulley and the second lacing hole.Combination by the first lacing hole, fixed pulley and the second lacing hole is true
Determine the trend of drawstring.
Preferably, first lacing hole and the second lacing hole are equipped with wear-resisting gum cover.Reduce the friction that drawstring receives
Power improves drawstring service life.
The beneficial effects of the present invention are: (1) bolt clipper is when not in use, can be hung on electric utility by suspension hook, no
It needs up and down to transmit bolt clipper or high-altitude binding, reduction operating personnel's physical demands promotes working efficiency；(2) bolt clipper is every
As soon as cutting time wire rod, positioning pin falls into location hole and locks bolt clipper, after bolt clipper is hung, is pulled and is positioned by drawstring
Pin can just reuse, and be hung after promoting operating personnel to be finished bolt clipper, prevent operating personnel from floating bolt clipper and rest on electricity
On gas facility, it is dangerous to reduce bolt clipper falling from high altitude.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of interlocking bar in the present invention.
In figure: binding clip 1, the first tong arm 2, interlocking bar 21, the second tong arm 3, guide sleeve 31, positioning pin 32, spring 33, location hole
34, guide groove 35, suspension hook 35, suspension hook 36, strip 37, drawstring 38, fixed pulley 39.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, a kind of fall arrest bolt clipper, including
Binding clip 1, the first tong arm 2 and the second tong arm 3, the first tong arm and the second tong arm are hinged, and first tong arm is equipped with linkage
Bar 21, the second tong arm are equipped with the relief hole passed through for interlocking bar, and interlocking bar passes through relief hole, and interlocking bar is arc-shaped, the
The hinge joint of one tong arm and the second tong arm is overlapped with the center of circle of interlocking bar, guarantees that interlocking bar can be successfully threaded back through in relief hole
Shuttle, is not susceptible to Caton, and interlocking bar is located at one end on the first tong arm close to binding clip, can reduce interlocking bar size.Second pincers
Guide sleeve 31 and positioning pin 32 are equipped in arm, positioning pin is slidably arranged in guide sleeve.Spring 33 is equipped in the guide sleeve, spring
Respectively with the bottom of guide sleeve and positioning pin contacts, positioning pin contacted far from one end of spring with interlocking bar at both ends.It is set in interlocking bar
Have with the matched location hole 34 of positioning pin, when binding clip cuts wire rod, positioning pin is located in location hole, and interlocking bar is equipped with guide groove
35, positioning pin is located in guide groove far from one end of spring, and location hole is located at the bottom of guide groove, and guide groove plays guiding and limit to positioning pin
Position effect, steadily falls into location hole conducive to positioning pin.
The outer wall of second tong arm is equipped with suspension hook 36 and strip 37, and the middle part of strip is hinged on suspension hook by shaft
On, shaft is equipped with the torsional spring for being against one end of strip on suspension hook inner ring, and one end of torsional spring is against on strip, torsional spring
The other end is against on suspension hook.The other end of strip is equipped with drawstring 38, and drawstring penetrates into guide sleeve, and drawstring is located at one end in guide sleeve
It is connected with positioning pin.Fixed pulley 39 is equipped in second tong arm, fixed pulley is located at the top of guide sleeve, and the bottom of guide sleeve is equipped with first and wears
Cord hole, the second tong arm are equipped with the second lacing hole, and fixed pulley cooperates the first lacing hole and the second lacing hole to change the trend of drawstring,
The Impact direction for adjusting drawstring makes drawstring be easier to pull positioning pin.First lacing hole and the second lacing hole are equipped with wear-resisting gum cover,
The frictional force that drawstring receives is reduced, drawstring service life is improved.
During operating personnel cuts wire rod using bolt clipper, the first tong arm is moved closer to the second tong arm, linkage
Bar is subjected to displacement with respect to relief hole, when binding clip cuts wire rod, at this time the first tong arm and the second tong arm reach the limit of position cannot be after
Continue close, positioning pin drops into location hole, and bolt clipper can not be reused by lockking the first tong arm and the second tong arm, operating personnel.Make
Industry personnel need to hang over bolt clipper on electric utility by suspension hook, and during hanging, strip can rotate certain angle, lead to
It crosses drawstring and positioning pin is pulled out into location hole, release the lock state of the first tong arm and the second tong arm, bolt clipper, which is removed, can be used.
If operating personnel is not by bolt clipper hanging on electric utility, bolt clipper be will be unable to using such operating personnel must will break
Line tweezer hanging, so that next time uses, effectively prevent operating personnel to float bolt clipper and rests on electric utility, subtract on electric utility
It even is eliminated bolt clipper falling from high altitude risk less.
The beneficial effects of the present invention are: bolt clipper is when not in use, it can be hung on electric utility, not needed by suspension hook
Bolt clipper is transmitted up and down or high-altitude binding, reduction operating personnel's physical demands promote working efficiency；Bolt clipper is every to be cut once
Wire rod, positioning pin just falls into location hole and locks bolt clipper, after bolt clipper is hung, pulls positioning pin could again by drawstring
Secondary use is hung after promoting operating personnel to be finished bolt clipper, is prevented operating personnel from floating bolt clipper and is rested on electric utility,
It is dangerous to reduce bolt clipper falling from high altitude.
Claims (7)
1. a kind of fall arrest bolt clipper, including binding clip, the first tong arm and the second tong arm, the first tong arm and the second tong arm are hinged,
It is characterized in,
First tong arm is equipped with interlocking bar, and the second tong arm is equipped with the relief hole passed through for interlocking bar, and interlocking bar passes through
Relief hole, the second tong arm is interior to be equipped with guide sleeve and positioning pin, and positioning pin is slidably arranged in guide sleeve；
Spring is equipped in the guide sleeve, the both ends of spring are respectively with the bottom of guide sleeve and positioning pin contacts, and positioning pin is far from spring
One end contacted with interlocking bar, interlocking bar be equipped with and the matched location hole of positioning pin, when binding clip cut wire rod when, position pins position
In location hole；
The outer wall of second tong arm is equipped with suspension hook and strip, and the middle part of strip is hinged on suspension hook by shaft, in shaft
Equipped with the torsional spring for being against one end of strip on suspension hook inner ring, the other end of strip is equipped with drawstring, and drawstring penetrates into guide sleeve
Interior, one end that drawstring is located in guide sleeve is connected with positioning pin.
2. a kind of fall arrest bolt clipper according to claim 1, characterized in that the interlocking bar is arc-shaped, the first pincers
The hinge joint of arm and the second tong arm is overlapped with the center of circle of interlocking bar.
3. a kind of fall arrest bolt clipper according to claim 1 or 2, characterized in that the interlocking bar is located at the first tong arm
Upper one end close to binding clip.
4. a kind of fall arrest bolt clipper according to claim 1 or 2, characterized in that the interlocking bar is equipped with guide groove, fixed
Position is sold one end far from spring and is located in guide groove, and location hole is located at the bottom of guide groove.
5. a kind of fall arrest bolt clipper according to claim 1 or 2, characterized in that be equipped in second tong arm fixed sliding
Wheel, fixed pulley are located at the top of guide sleeve, and drawstring passes through fixed pulley.
6. a kind of fall arrest bolt clipper according to claim 5, characterized in that the bottom of the guide sleeve is equipped with the first wire rope handling
Hole, the second tong arm are equipped with the second lacing hole, and drawstring sequentially passes through the first lacing hole, fixed pulley and the second lacing hole.
7. a kind of fall arrest bolt clipper according to claim 6, characterized in that first lacing hole and the second lacing hole
It is equipped with wear-resisting gum cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810581353.3A CN109454181B (en) | 2018-06-07 | 2018-06-07 | A kind of fall arrest bolt clipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810581353.3A CN109454181B (en) | 2018-06-07 | 2018-06-07 | A kind of fall arrest bolt clipper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109454181A true CN109454181A (en) | 2019-03-12 |
| CN109454181B CN109454181B (en) | 2019-11-12 |
Family
ID=65606293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810581353.3A Active CN109454181B (en) | 2018-06-07 | 2018-06-07 | A kind of fall arrest bolt clipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109454181B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886467A (en) * | 2021-01-25 | 2021-06-01 | 王燕玲 | Novel tool for power grid equipment maintenance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140182348A1 (en) * | 2012-12-28 | 2014-07-03 | M&Y Trading Corp. | Wire Looping Tool |
| CN203917734U (en) * | 2014-03-11 | 2014-11-05 | 浙江马克变压器有限公司 | A kind of wire nipper |
| CN104148545A (en) * | 2014-07-22 | 2014-11-19 | 国家电网公司 | Bolt clippers for large-diameter wires |
| CN105855613A (en) * | 2016-05-13 | 2016-08-17 | 张家港中天达工具有限公司 | Wire clippers |
| CN208374076U (en) * | 2018-06-07 | 2019-01-15 | 国网浙江省电力有限公司衢州供电公司 | A kind of self-locking bolt clipper |
-
2018
- 2018-06-07 CN CN201810581353.3A patent/CN109454181B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140182348A1 (en) * | 2012-12-28 | 2014-07-03 | M&Y Trading Corp. | Wire Looping Tool |
| CN203917734U (en) * | 2014-03-11 | 2014-11-05 | 浙江马克变压器有限公司 | A kind of wire nipper |
| CN104148545A (en) * | 2014-07-22 | 2014-11-19 | 国家电网公司 | Bolt clippers for large-diameter wires |
| CN105855613A (en) * | 2016-05-13 | 2016-08-17 | 张家港中天达工具有限公司 | Wire clippers |
| CN208374076U (en) * | 2018-06-07 | 2019-01-15 | 国网浙江省电力有限公司衢州供电公司 | A kind of self-locking bolt clipper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886467A (en) * | 2021-01-25 | 2021-06-01 | 王燕玲 | Novel tool for power grid equipment maintenance |
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| Publication number | Publication date |
|---|---|
| CN109454181B (en) | 2019-11-12 |
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