CN102657920A - Movable protection device for preventing fall from height - Google Patents
Movable protection device for preventing fall from height Download PDFInfo
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- CN102657920A CN102657920A CN2012101442772A CN201210144277A CN102657920A CN 102657920 A CN102657920 A CN 102657920A CN 2012101442772 A CN2012101442772 A CN 2012101442772A CN 201210144277 A CN201210144277 A CN 201210144277A CN 102657920 A CN102657920 A CN 102657920A
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Abstract
The invention discloses a movable protection device for preventing fall from height. The protection device comprises pulley yokes, a hanging ring, pulleys, a fixed rod, connecting frames, a hanging hook and a clamp, wherein the pulley yokes comprise a first pulley yoke and a second pulley yoke; two pulleys are arranged in the first pulley yoke and the second pulley yoke respectively; both the hanging ring and the hanging hook are arranged on the second pulley yoke; the connecting frames comprise a first connecting frame and a second connecting frame; the clamp comprises a first handle and a second handle; the first handle is connected with the second handle through a pivot joint part; the first pulley yoke and the second pulley yoke are connected to the first handle and the second handle through the first connecting frame and the second connecting frame respectively; and the first connecting frame is connected with the second connecting frame through the fixed rod. The movable protection device for preventing fall from height has the advantages of bringing convenience to working personnel during climbing and improving the safety and the reliability of climbing operation, along with easiness and convenience in use and operation.
Description
Technical field
The present invention relates to a kind of removable anti-high protective device that weighs down.
Background technology
When the indoor and outdoor operation of power system, usually need climb with ladder.Up and down in the process of ladder, usually need safety guard the staff, can protect timely pulling staff when preventing that the staff from dropping accidentally, avoid sending personal security incident.Electric operating is varied, constitutes maintenance, work such as scarce, the technological transformation of disappearing.And in transformer station, work on the framework; Like the close measurement of folding and unfolding lead, replacing porcelain vase, null value and salt, removing bird's nest etc., all to arrive the job site, and in this process, how make upkeep operation personal security ground pass through cat ladder from the framework cat ladder; Arrive the job site, perplexing us always.A lot of high bob accidents all can take place in annual state net company, and quite a few be the work high above the ground personnel high bob takes place in moving process.Therefore, " safety " regulation: allly be regarded as high-rise working at the above high-rise working of height of fall datum level 2m.Steel pipe shaft tower, 220kV overhead line structures all tackle the operating personnel up and down shaft tower, move horizontally a kind of anti-high protective device that weighs down be provided in the process, be among the protection to make the work high above the ground personnel effectively.
Present domestic high-altitude mobile working anti-falling protection facility also is in relatively backward state; Various anti-high security tool such as modes such as catching device, safety belt of weighing down provide safety guarantee for the operating personnel; And it is considerably less on the removable anti-fall device market; Very high to environment requirement again, practicality is very low, and the power worker does not usually adopt anti-fall device for avoiding trouble when carrying out operation.Adopt alternately fixation of the two protection ropes of single safety belt: on the safety belt of self wearing, carry two protection ropes when the work high above the ground personnel climb electric substation's framework cat ladder; A fixing earlier protection rope when taking the operating personnel upwards to climb; Climb two lattice cat ladders fixing one another root protection rope again, take off original fixing protection rope, upwards climbing fixing---taking off---fixedly hockets; Reach anti-high purpose of weighing down; Though safe and reliable, operation process is very loaded down with trivial details, wasted a large amount of muscle power and the energy of work high above the ground personnel.Single safety belt is climbed fixing method once of a step: on the safety belt of self wearing, carry a protection rope when work high above the ground personnel climb electric substation's framework cat ladder, when taking the operating personnel upwards to climb, 0.8 to the 1 meter personnel that rises stop climbing; Fixing once protection rope; Upwards climbing is taken off then and is fixed in the length range of protection rope, and this method is safe and reliable; But operation process is more loaded down with trivial details, has also wasted a large amount of muscle power and the energy of work high above the ground personnel.Adopt the method for high-altitude drop catching device: the work high above the ground personnel wear and are fixed on the job site after the drop catching device arrives the operating area, are beneficial to anti-high bob of principle of speed difference falling stop, and the shortcoming of this catching device is in moving process, to use.Adopt the method for the anti-fall buckle of tightrope: be first work high above the ground personnel that get on tightropes that hang down during climbing electric substation framework cat ladder; The staff who need ascend a height in the back is stuck in anti-fall buckle on the tightrope and ascends a height; This method is safe and reliable, saving muscle power, and shortcoming is that first personnel that ascend a height lose safeguard protection.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and provides a kind of and removablely anti-ly high weighs down protective device, so that the staff uses, improves the security reliability of ascend operation when ascending a height.
The present invention adopts following technical scheme for the technical solution problem.
The removable anti-high protective device that weighs down, its design feature is to comprise pulley yoke, link, pulley, fixed bar, link, hook and clamp; Said pulley yoke comprises first pulley yoke and second pulley yoke, is respectively equipped with two pulleys in first pulley yoke and second pulley yoke; Said link all is located on second pulley yoke with hook, and hook is fixed on said second pulley yoke with rotating mode; Said link comprises first link and second link; Said clamp comprises first handle and second handle, and said first handle and second handle are fixedly connected with said first link and second link respectively; Be connected through the articulated section between said first link and second link; Said first pulley yoke and second pulley yoke are connected on the first handle and second handle of clamp through first link and second link respectively; Be connected through fixed bar between said first link and second link.
Removable anti-high design feature of weighing down protective device of the present invention also is:
Said articulated section comprises first intermediate plate and second intermediate plate, and said first intermediate plate and second intermediate plate tighten together through steady pin, are arranged with torque spring on the said steady pin.
Said first link is provided with first boss, and said first boss is provided with first through hole; Said first boss is provided with rocking bar, and an end of said rocking bar is provided with on two sidewalls of groove and groove and also is provided with circular hole, and the other end of rocking bar is provided with screwed hole; First boss of said first link is embedded in the said groove, and pin passes the circular hole of recess sidewall and first through hole of first boss is fixed together first link and said rocking bar, and said rocking bar can rotate around pin; One end of said fixed bar is provided with promising thread segment, and said thread segment matches and fixed bar and said rocking bar are linked together with the screwed hole of rocking bar; The other end end of said fixed bar is provided with the shaft shoulder; Be provided with second boss, the 3rd boss and the 4th boss on said second link successively; The axis that is respectively equipped with second through hole, third through-hole and fourth hole and said second through hole, third through-hole and fourth hole on said second boss, the 3rd boss and the 4th boss point-blank; Wear pin and pass second through hole, third through-hole and fourth hole successively; Said wear to be provided with on the pin be set with limited block, and when wearing pin and being inserted in second through hole, third through-hole and fourth hole said limited block between said second boss and the 3rd boss; Be arranged with stage clip on the pin said wearing, said stage clip is between the said limited block and second boss.
Compared with present technology, beneficial effect of the present invention is embodied in:
Protective device of the present invention is effective must to have changed this mode, adopts the clamp-type structure, and operating personnel in operation hangs with regard to the cat ladder side as long as will install simply through removable anti-high bob protective device; Plug and play; Can directly unload after using up, slide up and down up and down, not influence operate as normal with the operating personnel; The operating personnel is in the safeguard protection constantly, has effectively avoided the generation of high bob accident.Because volume is little, in light weight, easy and simple to handle, has both saved muscle power and time during operation, safe and practical again, more loaded down with trivial details operation compared, personnel do not repel on subjective consciousness, and the operating personnel is ready to use.
The removable anti-high protective device that weighs down of the present invention has and can carry out intelligentized real-time monitoring to transmission line of electricity, reduces the polling transmission line cost and can improve advantage such as transmission line of electricity efficiency for monitoring.
Description of drawings
Fig. 1 is the removable anti-high front view that weighs down protective device of the present invention.
Fig. 2 is the removable anti-high left view that weighs down protective device of the present invention.
Fig. 3 is removable anti-high second pulley yoke of protective device and the vertical view of hook of weighing down of the present invention.
Fig. 4 is the removable anti-high front view that weighs down the articulated section of protective device of the present invention.
Fig. 5 is the removable anti-high vertical view that weighs down the articulated section of protective device of the present invention.
Fig. 6 is the removable anti-high front view that weighs down second pulley yoke of protective device of the present invention.
Fig. 7 is the removable anti-high left view that weighs down second pulley yoke of protective device of the present invention.
Fig. 8 is the removable anti-high vertical view that weighs down second pulley yoke of protective device of the present invention.
Fig. 9 is the removable anti-high front view that weighs down first pulley yoke of protective device of the present invention.
Figure 10 is the removable anti-high left view that weighs down first pulley yoke of protective device of the present invention.
Figure 11 is the removable anti-high front view that weighs down the pulley of protective device of the present invention.
Figure 12 is the removable anti-high front view that weighs down the rocking bar of protective device of the present invention.
Figure 13 is the removable anti-high front view that weighs down the fixed bar of protective device of the present invention.
Figure 14 is the removable anti-high front view that weighs down the hook of protective device of the present invention.
Figure 15 is the removable anti-high front view that weighs down first link of protective device of the present invention.
Figure 16 is the removable anti-high front view that weighs down second link of protective device of the present invention.
Figure 17 is the removable anti-high front view of wearing pin that weighs down protective device of the present invention.
Figure 18 is the removable anti-high front view that weighs down the handle of protective device of the present invention.
Label in accompanying drawing 1～accompanying drawing 18: 1 link, 2 pulleys, 3 fixed bars, 4 hooks, 5 clamps, 6 first pulley yokes, 7 second pulley yokes, 8 first links; 9 second links, 10 first handles, 11 second handles, 12 articulated sections, 13 first intermediate plates, 14 second intermediate plates, 15 steady pins; 16 torque springs, 17 first boss, 18 first through holes, 19 rocking bars, 20 grooves, 21 sidewalls, 22 circular holes; 23 screwed holes, 24 pins, 25 thread segments, 26 shaft shoulders, 27 second boss, 28 the 3rd boss, 29 the 4th boss; 30 second through holes, 31 third through-holes, 32 fourth holes, 33 wear pin, 34 limited blocks, 35 stage clips, 36 back-moving springs.
Below pass through the specific embodiment, and combine accompanying drawing that the present invention is described further.
The specific embodiment
Referring to Fig. 1～accompanying drawing 18, the removable anti-high protective device that weighs down comprises pulley yoke, link 1, pulley 2, fixed bar 3, link, hook 4 and clamp 5; Said pulley yoke comprises in first pulley yoke 6 and second pulley yoke, 7, the first pulley yokes 6 and second pulley yoke 7 and is respectively equipped with two pulleys 2; Said link 1 all is located on second pulley yoke 7 with hook 4, and hook 4 is fixed on said second pulley yoke 7 with rotating mode; Said link comprises first link 8 and second link 9; Said clamp 5 comprises first handle 10 and second handle 11, and said first handle 10 is fixedly connected with said first link 8 and second link 9 respectively with second handle 11; Be connected through articulated section 12 between said first link 8 and second link 9; Said first pulley yoke 6 and second pulley yoke 7 are connected on the first handle 10 and second handle 11 of clamp 5 through first link 8 and second link 9 respectively; Be connected through fixed bar 3 between said first link 8 and second link 9.
When the power system operation, usually need cat ladder.Ladder is made up of the montant of the left and right sides and the cross bar that two montants are linked together.The staff is climbing cross bar and is swashing.Pulley is fixed within the pulley yoke through axle, can be around the axle rotation in pulley yoke.Hook is enclosed within on the fixed axis of second pulley yoke and can rotates around fixed axis, and back-moving spring 36 1 ends of hook are fastened on the hook, and the other end of back-moving spring 36 is fastened on second pulley yoke.Handle and pulley yoke are individually fixed in the two ends of said link, are connected through the articulated section between two links, thereby form the structure of clamp-type by handle, link and articulated section.The lower end of two intermediate plates of articulated section is separately fixed on two links and the position between two links, and handle is fixed on two links through trip bolt respectively and is positioned at the lateral surface of two links.Handle is located at the lower end of link, and pulley yoke is located at the upper end of link.
Before last ladder, earlier fixed bar is opened, unclamp two links, open clamp then, the front end of two handles of clamp opens, and the link and the pulley yoke that are fixedly connected on clamp handle front end also open, the distance expansion between two pulley yokes.Two pulley yokes are connected on two montants of ladder; The montant of ladder is clamped in the groove of peripheral pulley face just; Unclamp the clamp handle, the front end of two of clamp handles clamps under the effect of articulated section, thereby can protective device be located on the montant of ladder tightly.Through fixed bar two links are tightened together then.At this moment, the gib head position of hook be positioned at just the ladder cross bar under, Open Side Down for the gib head of hook.One end of safety belt is fixed on the link, and the other end of safety belt is fastened the waist the staff tightly.When the staff upwards creeped, owing to pulley can slide in pulley yoke, and protective device only was connected with the montant of ladder through pulley, thereby protective device can move along with moving on the staff.When the hook gib head was run into cross bar, Open Side Down owing to gib head, and hook can not hang on the cross bar, simultaneously because hook is provided with back-moving spring 36 with the pulley yoke junction, rotates at the effect lower draw-bar at pulling force, makes hook very successfully to slip over from the cross bar next door; Slip over because the effect hook of back-moving spring 36 can reset, make the gib head of hook still be positioned at the ladder cross bar directly over.When meeting accident, the staff can fall, and protective device also can fall thereupon.In the process that protective device falls; The gib head of hook is because Open Side Down; And gib head be positioned at just cross bar directly over, gib head can hang on the cross bar when running into the cross bar of ladder when falling tightly, thereby prevents that protective device from continuing to fall; Through safety belt the staff is held tightly, can prevent the staff from high falling in ground and injured.
Said articulated section 12 comprises first intermediate plate 13 and second intermediate plate 14, and said first intermediate plate 13 and second intermediate plate 14 tighten together through steady pin 15, are arranged with torque spring 16 on the said steady pin 15.Said intermediate plate is the P font, passes two through holes on the intermediate plate through steady pin, and two intermediate plates are fixed together; Steady pin is provided with torque spring, makes can rotate around steady pin between two intermediate plates, and by two intermediate plates of torque spring tensioning.First intermediate plate of articulated section is connected with second handle with first handle respectively with second intermediate plate, and when holding handle with a firm grip, torque spring is compressed, and the front end of first handle and second handle opens.When release handle, under the effect of torque spring, the front end of first handle and second handle clamps, and can make the pulley of two pulley yokes be clipped in tightly on the montant of ladder.
Said first link 8 is provided with first boss 17, and said first boss 17 is provided with first through hole 18; Said first boss 17 is provided with rocking bar 19, and an end of said rocking bar 19 is provided with on two sidewalls 21 of groove 20 and groove 20 and also is provided with circular hole 22, and the other end of rocking bar 19 is provided with screwed hole 23; First boss 17 of said first link 8 is embedded in the said groove 20; Pin 24 passes the circular hole 22 of groove 20 sidewalls 21 and first through hole 18 of first boss 17 is fixed together first link 8 with said rocking bar 19, and said rocking bar 19 can rotate around pin 24; One end of said fixed bar 3 is provided with promising thread segment 25, and said thread segment 25 matches with the screwed hole 23 of rocking bar 19 and fixed bar 3 and said rocking bar 19 are linked together; The other end end of said fixed bar 3 is provided with the shaft shoulder 26; Be provided with second boss 27, the 3rd boss 28 and the 4th boss 29 on said second link 9 successively; The axis that is respectively equipped with second through hole 30, third through-hole 31 and fourth hole 32 and said second through hole 30, third through-hole 31 and fourth hole 32 on said second boss 27, the 3rd boss 28 and the 4th boss 29 point-blank; Wear pin 33 and pass second through hole 30, third through-hole 31 and fourth hole 32 successively; Said wear to be provided with on the pin 33 be set with limited block 34, and when wearing pin 33 and being inserted in second through hole 30, third through-hole 31 and fourth hole 32 said limited block 34 between said second boss 27 and the 3rd boss 28; Be arranged with stage clip 35 on the pin 33 said wearing, said stage clip 35 is between the said limited block 34 and second boss 27.
Wearing pin is cylinder, and the one of which end is provided with the shaft shoulder, and limited block is located at the other end.The shaft shoulder is positioned at outside second boss during use, wears the through hole that shank passes three boss successively, limited block between the second and the 3rd boss with the restriction stage clip.When using protective device, thread segment one end of fixed bar screws within the screwed hole of said rocking bar.Fixed bar can rotate with the boss of rocking bar along said first link.The staff opens clamp earlier before cat ladder, the front end of two handles of clamp opens, and pulley is stuck on the montant of ladder; Rotating rocker drives fixed bar then, and pulling is worn the compacted end of wearing pin of pin stage clip and is retracted in the third through-hole, makes fixed bar be stuck between the 3rd boss and the 4th boss of said second link; Loosen then and wear pin; Under the effect of stage clip, wear pin and pass fourth hole, make and wear the top that pin is stuck in said fixed bar, avoid fixed bar to rotate with rocking bar again; Thereby can two links be tightened together, avoid pulley yoke to come off.Hold the shaft shoulder of fixed bar then; Fixed bar is screwed in the screwed hole of rocking bar, connect, so can protective device be clipped on the ladder montant tightly until the shaft shoulder and the said pin of wearing of fixed bar; Avoid protective device to come off, improved the security reliability of protective device.The staff holds protective device on the other hand and makes protective device upwards slide along the ladder montant when cat ladder, and another cross bar of holding ladder in hand is climb.The whereabouts in case the staff accidentally drops; The hook of protective device will hang on the ladder cross bar; Holding the staff tightly through safety belt avoids the staff to continue to fall; Thereby it is born to accidentally drop when having prevented the work high above the ground of staff's cat ladder effectively, has protected staff's personal safety, has improved the security of staff's work high above the ground.Protective device of the present invention uses simple and conveniently, and volume is little in light weight, is convenient to the staff and uses.
Produce the satisfactory anti-high protective device that weighs down according to drawing, impact power is calculated, and after meeting the requirements, product is carried out Precision Machining, and welding forming carries out pull test and field trial at last, produces satisfactory product.
Main steel construction of the material of protective device and constructed of aluminium through behind the drawing protract, are made by figure in satisfactory machining factory.Manufacturing process mainly uses modes such as the high accuracy line cuts, welding, bolt finally to be shaped.Device at first carries out pulling force and stress test in engineering department after accomplishing, and makes an experiment, contrasts on transformer station's framework cat ladder in the back that meets the requirements, and sum up pluses and minuses.
Protective device of the present invention adopts the clamp-type structure, and plug and play can directly unload after using up, and does not influence circuit and normally moves, and does not influence operate as normal, makes the safer ladder up and down of electric power personnel.Device adopts the mechanical protection principle; Through with the cooperating of ladder, form the protective of a safety, the climbing personnel only need a safety door hook to hang on the device to get final product; Reach horizontal climbing process down up and down and can arrive setting fast; Falling in the generation high-altitude, the back is nervous to be protected, and can not let the staff fall down, thereby prevents that the high-altitude falling accident from taking place.
Claims (3)
1. the removable anti-high protective device that weighs down is characterized in that, comprises pulley yoke, link (1), pulley (2), fixed bar (3), link, hook (4) and clamp (5); Said pulley yoke comprises first pulley yoke (6) and second pulley yoke (7), is respectively equipped with two pulleys (2) in first pulley yoke (6) and second pulley yoke (7); Said link (1) and hook (4) all are located on second pulley yoke (7), and hook (4) is fixed on said second pulley yoke (7) with rotating mode; Said link comprises first link (8) and second link (9); Said clamp (5) comprises first handle (10) and second handle (11), and said first handle (10) and second handle (11) are fixedly connected with said first link (8) and second link (9) respectively; Be connected through articulated section (12) between said first link (8) and second link (9); Said first pulley yoke (6) and second pulley yoke (7) are connected on the first handle (10) and second handle (11) of clamp (5) through first link (8) and second link (9) respectively; Be connected through fixed bar (3) between said first link (8) and second link (9).
2. the removable anti-high protective device that weighs down according to claim 1; It is characterized in that; Said articulated section (12) comprises first intermediate plate (13) and second intermediate plate (14); Said first intermediate plate (13) and second intermediate plate (14) tighten together through steady pin (15), are arranged with torque spring (16) on the said steady pin (15).
3. the removable anti-high protective device that weighs down according to claim 1 is characterized in that said first link (8) is provided with first boss (17), and said first boss (17) is provided with first through hole (18); Said first boss (17) is provided with rocking bar (19), and an end of said rocking bar (19) is provided with on two sidewalls (21) of groove (20) and groove (20) and also is provided with circular hole (22), and the other end of rocking bar (19) is provided with screwed hole (23); First boss (17) of said first link (8) is embedded in the said groove (20); Pin (24) passes the circular hole (22) of groove (20) sidewall (21) and first through hole (18) of first boss (17) is fixed together first link (8) and said rocking bar (19), and said rocking bar (19) can rotate around pin (24); One end of said fixed bar (3) is provided with promising thread segment (25), and said thread segment (25) matches with the screwed hole (23) of rocking bar (19) and fixed bar (3) and said rocking bar (19) are linked together; The other end end of said fixed bar (3) is provided with the shaft shoulder (26); Be provided with second boss (27), the 3rd boss (28) and the 4th boss (29) on said second link (9) successively; The axis that is respectively equipped with second through hole (30), third through-hole (31) and fourth hole (32) and said second through hole (30), third through-hole (31) and fourth hole (32) on said second boss (27), the 3rd boss (28) and the 4th boss (29) point-blank; Wear pin (33) and pass second through hole (30), third through-hole (31) and fourth hole (32) successively; Said wear to be provided with on the pin (33) be set with limited block (34), and said limited block (34) is positioned between said second boss (27) and the 3rd boss (28) when wearing pin (33) and being inserted in second through hole (30), third through-hole (31) and fourth hole (32); Be arranged with stage clip (35) on the pin (33) said wearing, said stage clip (35) is positioned between said limited block (34) and second boss (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144277.2A CN102657920B (en) | 2012-05-10 | 2012-05-10 | Movable protection device for preventing fall from height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144277.2A CN102657920B (en) | 2012-05-10 | 2012-05-10 | Movable protection device for preventing fall from height |
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| Publication Number | Publication Date |
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| CN102657920A true CN102657920A (en) | 2012-09-12 |
| CN102657920B CN102657920B (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210144277.2A Active CN102657920B (en) | 2012-05-10 | 2012-05-10 | Movable protection device for preventing fall from height |
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Cited By (7)
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| CN103599604A (en) * | 2013-11-29 | 2014-02-26 | 国家电网公司 | Falling protector of safety belt |
| CN105963873A (en) * | 2016-05-19 | 2016-09-28 | 国网山东省电力公司平原县供电公司 | Electric power climbing safety protection device |
| CN106563221A (en) * | 2016-10-19 | 2017-04-19 | 秦皇岛润昌科技开发有限公司 | Safety arm type safety belt for climbing electric pole of electric power transmission line |
| CN108514693A (en) * | 2018-04-17 | 2018-09-11 | 天津滨海华医光电技术有限公司 | A kind of wearable semiconductor laser therapeutic instrument |
| CN110812727A (en) * | 2019-11-29 | 2020-02-21 | 姚其荣 | Auxiliary protection device for high-altitude power transmission maintenance |
| CN111790075A (en) * | 2020-05-29 | 2020-10-20 | 国网山东省电力公司德州供电公司 | Safety device for tower high-altitude operation |
| US11633814B2 (en) | 2012-08-28 | 2023-04-25 | Hobart Brothers Llc | Systems and methods for welding electrodes |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11633814B2 (en) | 2012-08-28 | 2023-04-25 | Hobart Brothers Llc | Systems and methods for welding electrodes |
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| CN111790075A (en) * | 2020-05-29 | 2020-10-20 | 国网山东省电力公司德州供电公司 | Safety device for tower high-altitude operation |
| CN111790075B (en) * | 2020-05-29 | 2021-07-23 | 国网山东省电力公司德州供电公司 | Safety device for tower high-altitude operation |
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| CN102657920B (en) | 2014-04-23 |
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