CN109764187A - A kind of secondary Semi-automatic pipeline safety rope of prefastening - Google Patents
A kind of secondary Semi-automatic pipeline safety rope of prefastening Download PDFInfo
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- CN109764187A CN109764187A CN201910109546.3A CN201910109546A CN109764187A CN 109764187 A CN109764187 A CN 109764187A CN 201910109546 A CN201910109546 A CN 201910109546A CN 109764187 A CN109764187 A CN 109764187A
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- block
- safety rope
- magnet
- connector
- prefastening
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Abstract
The invention discloses a kind of secondary Semi-automatic pipeline safety ropes of prefastening, including safety rope, the safety rope side is equipped with limiter component, limiter component side is equipped with preload component, structure of the invention is scientific and reasonable, it is safe and convenient to use, it is provided with limiter component, pass through riser, movable block, card slot, connecting rod, the effect of fixture block and limited block, convenient for movable block is fixed, to which pipeline is fixed, pipeline is avoided to damage due to acutely shaking, it is provided with preload component, pass through the effect of the first L connector and the 2nd L connector, convenient for driven gear is limited, avoid under normal circumstances driven gear rotate, by the effect for pre-tightening gear and clockwork spring, convenient in the first L connector and the separation of the 2nd L connector, driven gear is driven to rotate using the elastic reaction of clockwork spring, To which safety rope be pulled back, pipeline is reinforced, the safety effect of safety rope is improved.
Description
Technical field
The present invention relates to pipeline safety rope technical field, specially a kind of secondary Semi-automatic pipeline safety rope of prefastening.
Background technique
Pipeline is the pipeline for being coupled pump, valve or control system, for transmitting liquid, gas or the solid being ground into a powder, point
For even for pipeline, Weak solvent dedicated pipeline, omnipotent ink pipeline, it can be anticorrosive, low temperature resistant, cold resistant weather, city work
Common utilities pipeline mainly has six kinds in the planning of journey pipeline layout: feedwater piping, draining sewer pipe, power circuit, telephone line,
Heat distribution pipeline, gas pipeline etc., " seven is logical " refers to above-mentioned six kinds of pipelines and road in " seven logical one flat " often mentioned in city development
Road perforation, seven logical smooth realizations, also exactly one of the target of integrated design for utilities pipelines work, existing soft pipeline, hard tube
A kind of safety rope is usually used at the device junction of line and oil pipeline to be reinforced, and is avoided oil pipeline pressure fluctuation excessive, is caused
Oil connection, which loosens, to be disengaged, and existing pipeline safety rope is worked out by three strands or more of steel wire, passes through simple connection ring
It is fixedly connected with pipeline, operating process is time-consuming and laborious, cannot be more corresponding when pipeline junction, size changes
Size for connection carries out contraction connection, inconvenient for use, when pipeline shakes, since there are certain tension for safety rope, so that
Safety rope cannot be tightened, and influence safety rope to the limitation protecting effect etc. of pipeline, so it is secondary semi-automatic to be badly in need of a kind of prefastening
Pipeline safety rope solves the above problems.
Summary of the invention
The present invention provides a kind of secondary Semi-automatic pipeline safety rope of prefastening, can effectively solve to mention in above-mentioned background technique
Existing pipeline safety rope out is worked out by three strands or more of steel wire, is fixed by simple connection ring with pipeline
Connection, operating process is time-consuming and laborious, when pipeline junction, size changes, cannot more corresponding size for connection received
Contracting connection, it is inconvenient for use, when pipeline shakes, since safety rope is there are certain tension, prevent safety rope is from tightening,
The problems such as influencing limitation protecting effect of the safety rope to pipeline.
To achieve the above object, the invention provides the following technical scheme: a kind of secondary Semi-automatic pipeline safety rope of prefastening,
Including safety rope, the safety rope side is equipped with limiter component, the limiter component include limiter box, riser, the first magnet,
Second magnet, movable block, card slot, connecting rod, fixture block, limited block, top plate and connecting spring, the safety rope middle position peace
Equipped with limiter box, the limiter box interior side is equipped with riser, and the riser side is equipped with the first magnet, first magnetic
Iron side is equipped with the second magnet, and second magnet side is equipped with movable block, and the movable block top offers card slot, institute
It states movable block top side and connecting rod is installed, connecting rod bottom end side and card slot corresponding position are equipped with fixture block, institute
It states movable block bottom end side and limited block is installed, the movable block top is equipped with top plate, pacifies between the movable block and top plate
Equipped with connecting spring;
Described safety rope one end is equipped with take-up component, and the take-up component includes winding box, take-up screw rod, fixed ring, first
Tooth block, movable axis, rotating ring, the second tooth block and take-up pulley, the safety rope both ends are mounted on winding box, the winding box one
Side is equipped with take-up screw rod, and take-up screw rod one end is equipped with fixed ring, and the first tooth block, institute are equipped with inside the fixed ring
State and movable axis be installed between the first tooth block and fixed ring, the first tooth block side is equipped with rotating ring, the rotating ring with
First tooth block corresponding position is equipped with the second tooth block, and the rotating ring side is equipped with take-up pulley, limiter component side
Preload component is installed, the preload component includes the first L connector, the 2nd L connector, driven gear, pre-tightens gear and hair
Bar spring, described connecting rod one end are equipped with the first L connector, and the first L connector side is equipped with the 2nd L connector,
2nd L connector side is equipped with driven gear, and the driven gear side is equipped with preload gear by engagement, described
It pre-tightens gear internal and clockwork spring is installed.
Preferably, Buffer Unit is installed, the Buffer Unit includes limited post, delays between the safety rope and winding box
Spring, bumper post and cushion are rushed, the safety rope both ends are mounted on limited post, and described limited post one end is equipped with buffering elastic
Spring, described buffer spring one end are equipped with bumper post, and bumper post side corresponding with limited post is mounted on cushion.
Preferably, take-up component side is equipped with fixation kit, and the fixation kit includes fixed steel wire ring, anti-skidding
Block, rubber layer and groove, the winding box side are equipped with fixed steel wire ring, are equipped on the outside of the fixed steel wire ring anti-skidding
Block, the non-slipping block side are equipped with rubber layer, and the rubber layer side is uniformly provided with groove.
Preferably, torque spring, the fixed ring inside and the first tooth block corresponding position are installed inside the movable axis
Place is equipped with convex block.
Preferably, the first tooth block is opposite with the inclined direction of the second tooth block.
Preferably, connecting rod is installed, the movable block side, which is equipped with, leads between first magnet and the second magnet
Xiang Huan.
Preferably, the length of the card slot is greater than the length of fixture block, and fixture block is located at card slot top side.
Preferably, the length of the limited block is greater than when the first magnet and the second magnet connect between movable block and riser
Spacing.
Preferably, the driven gear side offers eccentric orfice, and the 2nd L connector is connect with eccentric orfice.
Compared with prior art, beneficial effects of the present invention: structure of the invention is scientific and reasonable, safe and convenient to use:
1, it is provided with take-up component, by the effect of winding box, take-up screw rod and take-up pulley convenient for the diameter to fixed steel wire ring
It is shunk, is bonded so that steel wire ring will be fixed according to the actual diameter of pipeline with pipeline, passes through fixed ring, the first tooth block, work
The effect of moving axis, inner ring and the second tooth block is convenient for so that take-up pulley one-directional rotation, avoids fixing steel wire loopback during the work time
It pulls loose dynamic, improves fixed steel wire ring fixed effect, use is more convenient.
2, it is provided with limiter component, passes through limiter box, riser, the first magnet, the second magnet, movable block, card slot, connection
The effect of bar, fixture block and limited block, when pipeline separates the first magnet and the second magnet by excessive shock, convenient for that will live
Motion block is fixed, and limits the movement of safety rope, so that pipeline is fixed, pipeline is avoided to cause to damage due to acutely shaking
It is bad, using the effect of top plate and connecting spring, convenient for fixture block is caught in card slot using elastic force, improve the connection of fixture block and card slot
Effect avoids fixture block from being detached from card slot.
3, be provided with preload component, by the effect of the first L connector and the 2nd L connector, convenient for by driven gear into
Row limitation, avoid under normal circumstances driven gear rotate, by pre-tightening the effect of gear and clockwork spring, convenient for first
When L connector and the 2nd L connector separate, driven gear is driven to rotate using the elastic reaction of clockwork spring, thus will insurance
Rope is pulled back, so that pipeline be carried out to tighten reinforcing, improves the safety effect of safety rope.
4, it is provided with Buffer Unit, by the effect of limited post, buffer spring and bumper post, convenient for utilizing buffer spring
Elastic reaction provides certain displacement space for winding box, so that fixed steel wire ring be avoided to reel, power is excessive to cause the damage that breaks,
The safety for improving device, recycles the effect of cushion, and convenient for reducing the friction between limited post and bumper post, extending it makes
Use the service life.
5, it is provided with fixation kit, by the effect of fixed steel wire ring, non-slipping block and rubber layer, convenient for improving fixed steel wire
The frictional force of ring and junction, while fixed steel wire ring being avoided directly to contact with connecting pipeline, cause to fix steel wire ring with connect
Pipeline friction damage, using the effect of groove, by the extruding between pipeline and rubber layer, so that the air in groove squeezes out,
So that inside grooves and extraneous formation pressure difference, to improve the antiskid effect between non-slipping block and pipeline.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of Buffer Unit of the present invention;
Fig. 3 is the structural schematic diagram of take-up component of the present invention;
Fig. 4 is the structural schematic diagram of fixation kit of the present invention;
Fig. 5 is the structural schematic diagram of limiter component of the present invention;
Fig. 6 is the structural schematic diagram that the present invention pre-tightens component;
Figure label: 1, safety rope;2, Buffer Unit;201, limited post;202, buffer spring;203, bumper post;204, it buffers
Pad;3, take-up component;301, winding box;302, take-up screw rod;303, fixed ring;304, the first tooth block;305, movable axis;306,
Rotating ring;307, the second tooth block;308, take-up pulley;4, fixation kit;401, fixed steel wire ring;402, non-slipping block;403, rubber
Layer;404, groove;5, limiter component;501, limiter box;502, riser;503, the first magnet;504, the second magnet;505, movable
Block;506, card slot;507, connecting rod;508, fixture block;509, limited block;510, top plate;511, connecting spring;6, component is pre-tightened;
601, the first L connector;602, the 2nd L connector;603, driven gear;604, gear is pre-tightened;605, clockwork spring.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: as shown in figures 1 to 6, the present invention provides a kind of technical solution, a kind of secondary Semi-automatic pipeline guarantor of prefastening
Danger rope, including safety rope 1,1 side of safety rope are equipped with limiter component 5, and limiter component 5 includes limiter box 501, riser 502, the
One magnet 503, the second magnet 504, movable block 505, card slot 506, connecting rod 507, fixture block 508, limited block 509,510 and of top plate
Connecting spring 511,1 middle position of safety rope are equipped with limiter box 501, and 501 interior side of limiter box is equipped with riser 502,
502 side of riser is equipped with the first magnet 503, and 503 side of the first magnet is equipped with the second magnet 504,504 side of the second magnet
Movable block 505 is installed, first magnet mobile for the ease of the connecting rope of 505 side of the second magnet 504 and boot activity block
503 and second are equipped with connecting rod between magnet 504, and 505 side of movable block is equipped with guide ring, and 505 top of movable block opens up
There is card slot 506,505 top side of movable block is equipped with connecting rod 507,507 bottom end side of connecting rod and 506 corresponding position of card slot
Place is equipped with fixture block 508, unidirectionally mobile for the ease of fixture block 508, and the length of card slot 506 is greater than the length of fixture block 508, and fixture block
508 are located at 506 top side of card slot, and 505 bottom end side of movable block is equipped with limited block 509, in order to avoid normal condition lower limit
Position block 509 enters in the gap between movable block 505 and riser 502, and the length of limited block 509 is greater than movable block 505 and riser
Spacing when first magnet 503 and the second magnet 504 connect between 502,505 top of movable block is equipped with top plate 510, movable block
Connecting spring 511 is installed between 505 and top plate 510.
1 one end of safety rope is equipped with take-up component 3, and take-up component 3 includes winding box 301, take-up screw rod 302, fixed ring
303, the first tooth block 304, movable axis 305, rotating ring 306, the second tooth block 307 and take-up pulley 308,1 both ends of safety rope are respectively mounted
There is winding box 301,301 side of winding box is equipped with take-up screw rod 302, and 302 one end of take-up screw rod is equipped with fixed ring 303, Gu
Determine that the first tooth block 304 is installed inside ring 303, movable axis 305 is installed between the first tooth block 304 and fixed ring 303, in order to just
It is one-directionally rotated in the first tooth block 304, torque spring, 303 inside of fixed ring and the first tooth block 304 is installed inside movable axis 305
Corresponding position is equipped with convex block, and 304 side of the first tooth block is equipped with rotating ring 306, and rotating ring 306 and the first tooth block 304 are right
It answers and the second tooth block 307 is installed at position, for the ease of the one-directional rotation of rotating ring 306, the first tooth block 304 and the second tooth block 307
Inclined direction on the contrary, 306 side of rotating ring is equipped with take-up pulley 308,5 side of limiter component, which is equipped with, pre-tightens component 6, pre-tightens
Component 6 includes the first L connector 601, the 2nd L connector 602, driven gear 603, pre-tightens gear 604 and clockwork spring 605,
507 one end of connecting rod is equipped with the first L connector 601, and 601 side of the first L connector is equipped with the 2nd L connector 602, and second
602 side of L connector is equipped with driven gear 603, and in order to drive the 2nd L connector 602 mobile, 603 side of driven gear is opened
Equipped with eccentric orfice, the 2nd L connector 602 is connect with eccentric orfice, and 603 side of driven gear is equipped with preload gear by engagement
604, it pre-tightens and clockwork spring 605 is installed inside gear 604, for the ease of providing certain displacement space for winding box 301, keep away
Exempt from fixed steel wire ring 401 and caused the damage that breaks by pulling force is excessive, the safety of device is improved, between safety rope 1 and winding box 301
Buffer Unit 2 is installed, Buffer Unit 2 includes limited post 201, buffer spring 202, bumper post 203 and cushion 204, insurance
1 both ends of restricting are mounted on limited post 201, and 201 one end of limited post is equipped with buffer spring 202, and 202 one end of buffer spring is equipped with
Bumper post 203, the side corresponding with limited post 201 of bumper post 203 are mounted on cushion 204, for the ease of improving fixed steel wire
The frictional force of ring 401 and junction, while fixed steel wire ring 401 being avoided directly to contact with connecting pipeline, cause fixed steel wire ring
401 are equipped with fixation kit 4 with connecting pipeline friction damage, 3 side of take-up component, and fixation kit 4 includes fixed steel wire ring
401, non-slipping block 402, rubber layer 403 and groove 404,301 side of winding box are equipped with fixed steel wire ring 401, fixed steel wire ring
401 outsides are equipped with non-slipping block 402, and 402 side of non-slipping block is equipped with rubber layer 403, and 403 side of rubber layer is uniformly provided with recessed
Slot 404.
The working principle of the invention and process for using: when device is worked normally, first by fixed 401 sets of steel wire ring
In the suitable position of pipeline, then rotates take-up screw rod 302 and rotating ring 306 is rotated, to drive 308 turns of take-up pulley
It is dynamic, so that the fixed contraction of steel wire ring 401 is closely connect with junction, when rotating ring 306 rotates, pass through the second tooth block 307
Effect squeezes the first tooth block 304 and generates rotation around movable axis 305, after the completion of fixed steel wire ring 401 is fixed, due to movable axis
The convex blocks of 305 sides acts on, and the first tooth block 304 is avoided to rotate backward, thus using the first tooth block 304 by the second tooth block 307 into
The stuck fixation of row realizes the unidirectional take-up work of take-up pulley 308, avoids pipeline shaking that fixed steel wire ring 401 is caused to loosen, when solid
Determine steel wire ring 401 and when pipeline contacts, by the squeezing action between pipeline and rubber layer 403, the air in groove 404 is squeezed
Out, so that 404 inside of groove forms pressure difference with extraneous, to improve the antiskid effect between non-slipping block 402 and pipeline;Work as pipe
When road shakes, pass through the elastic reaction of buffer spring 202 first, absorb fixed 401 junction of steel wire ring pulls power, from
And avoid that fixed 401 stress of steel wire ring is excessive damages;
When pipeline strenuous vibration, so that movable block 505 is moved in the case where pullling power effect, since vibration pulls power greater than the
When magnetic force between one magnet 503 and the second magnet 504, the first magnet 503 and the second magnet 504 are separated first, so that
Gap between one magnet 503 and the second magnet 504 is greater than the length of limited block 509, then due to the elastic force of connecting spring 511
Effect pushes down on connecting rod 507, so that limited block 509 enters the gap between the first magnet 503 and the second magnet 504
In, while the fixture block 508 of 507 side of connecting rod being inserted into the corresponding card slot 506 in 505 top of movable block, thus by movable block
505 are fixed, and movable block 505 is avoided to continue to move to, so that safety rope 1 be locked, limitation pipeline continues to shake, and work as connecting rod
507 when moving down, so that the first L connector 601 of 507 side of connecting rod and the 2nd L connector 602 are detached from, followed by
The elastic reaction of clockwork spring 605 drives preload gear 604 to rotate, and then pre-tightens gear 604 and driven gear 603 is driven to send out
Raw rotation pulls the 2nd L connector 602 to side, thus drive movable block 505 mobile, the receipts so that safety rope 1 is pulled back in time
Tightly, to improve the safety effect of device.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (9)
1. a kind of secondary Semi-automatic pipeline safety rope of prefastening, including safety rope (1), it is characterised in that: the safety rope (1) one
Side is equipped with limiter component (5), and the limiter component (5) includes limiter box (501), riser (502), the first magnet (503),
Two magnet (504), movable block (505), card slot (506), connecting rod (507), fixture block (508), limited block (509), top plate (510)
With connecting spring (511), safety rope (1) middle position is equipped with limiter box (501), and the limiter box (501) is internal
Side is equipped with riser (502), and riser (502) side is equipped with the first magnet (503), first magnet (503) one
Side is equipped with the second magnet (504), and the second magnet (504) side is equipped with movable block (505), the movable block (505)
Top offers card slot (506), and movable block (505) the top side is equipped with connecting rod (507), the connecting rod (507)
Bottom end side and card slot (506) corresponding position are equipped with fixture block (508), and movable block (505) the bottom end side installation is limited
Position block (509), movable block (505) top is equipped with top plate (510), pacifies between the movable block (505) and top plate (510)
Equipped with connecting spring (511);
Described safety rope (1) one end is equipped with take-up component (3), and the take-up component (3) includes winding box (301), take-up spiral shell
Bar (302), fixed ring (303), the first tooth block (304), movable axis (305), rotating ring (306), the second tooth block (307) and take-up
It takes turns (308), safety rope (1) both ends are mounted on winding box (301), and winding box (301) side is equipped with take-up spiral shell
Bar (302), described take-up screw rod (302) one end are equipped with fixed ring (303), are equipped with first inside the fixed ring (303)
Tooth block (304) is equipped with movable axis (305), the first tooth block between the first tooth block (304) and fixed ring (303)
(304) side is equipped with rotating ring (306), and the rotating ring (306) and first tooth block (304) corresponding position are equipped with second
Tooth block (307), rotating ring (306) side are equipped with take-up pulley (308), and limiter component (5) side is equipped with preload
Component (6), the preload component (6) includes the first L connector (601), the 2nd L connector (602), driven gear (603), pre-
Tight gear (604) and clockwork spring (605), described connecting rod (507) one end are equipped with the first L connector (601), and described first
L connector (601) side is equipped with the 2nd L connector (602), and the 2nd L connector (602) side is equipped with driven gear
(603), driven gear (603) side is equipped with by engagement and pre-tightens gear (604), and the preload gear (604) is internal
Clockwork spring (605) are installed.
2. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the safety rope
(1) it is equipped between winding box (301) Buffer Unit (2), the Buffer Unit (2) includes limited post (201), buffer spring
(202), bumper post (203) and cushion (204), safety rope (1) both ends are mounted on limited post (201), the limit
Column (201) one end is equipped with buffer spring (202), and described buffer spring (202) one end is equipped with bumper post (203), described slow
It rushes column (203) side corresponding with limited post (201) and is mounted on cushion (204).
3. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the take-up group
Part (3) side is equipped with fixation kit (4), and the fixation kit (4) includes fixed steel wire ring (401), non-slipping block (402), rubber
Glue-line (403) and groove (404), winding box (301) side are equipped with fixed steel wire ring (401), the fixed steel wire ring
(401) outside is equipped with non-slipping block (402), and non-slipping block (402) side is equipped with rubber layer (403), the rubber layer
(403) side is uniformly provided with groove (404).
4. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the movable axis
(305) internal that torque spring is installed, it is equipped with inside the fixed ring (303) with first tooth block (304) corresponding position convex
Block.
5. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: first tooth
Block (304) is opposite with the inclined direction of the second tooth block (307).
6. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: first magnetic
Connecting rod is installed, movable block (505) side is equipped with guide ring between iron (503) and the second magnet (504).
7. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the card slot
(506) length is greater than the length of fixture block (508), and fixture block (508) is located at card slot (506) top side.
8. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the limited block
(509) length is greater than the first magnet (503) between movable block (505) and riser (502) and when the second magnet (504) is connect
Spacing.
9. the secondary Semi-automatic pipeline safety rope of a kind of prefastening according to claim 1, it is characterised in that: the driven tooth
Wheel (603) side offers eccentric orfice, and the 2nd L connector (602) connect with eccentric orfice.
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CN201910109546.3A CN109764187B (en) | 2019-02-11 | 2019-02-11 | Pre-tightening type secondary semi-automatic pipeline safety rope |
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CN201910109546.3A CN109764187B (en) | 2019-02-11 | 2019-02-11 | Pre-tightening type secondary semi-automatic pipeline safety rope |
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CN2849412Y (en) * | 2005-07-28 | 2006-12-20 | 乔粉祥 | Semi-automatic pipeline safety rope |
CN207575583U (en) * | 2017-11-25 | 2018-07-06 | 无锡锡东电力电气安装工程有限公司 | A kind of pole-climbing fall protection equipment |
JP2018130134A (en) * | 2017-02-13 | 2018-08-23 | 北陸電力株式会社 | Safety belt |
CN207768940U (en) * | 2017-11-29 | 2018-08-28 | 国网山东省电力公司宁阳县供电公司 | A kind of buckle-type pull dual control restraint system |
CN208065604U (en) * | 2017-12-29 | 2018-11-09 | 国家电网公司 | A kind of safety rope and aerial work safety belt from volume locking |
CN108785901A (en) * | 2018-07-27 | 2018-11-13 | 柯金炼 | A kind of fall-preventing protection device that can be moved horizontally with worker in construction |
-
2019
- 2019-02-11 CN CN201910109546.3A patent/CN109764187B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2849412Y (en) * | 2005-07-28 | 2006-12-20 | 乔粉祥 | Semi-automatic pipeline safety rope |
JP2018130134A (en) * | 2017-02-13 | 2018-08-23 | 北陸電力株式会社 | Safety belt |
CN207575583U (en) * | 2017-11-25 | 2018-07-06 | 无锡锡东电力电气安装工程有限公司 | A kind of pole-climbing fall protection equipment |
CN207768940U (en) * | 2017-11-29 | 2018-08-28 | 国网山东省电力公司宁阳县供电公司 | A kind of buckle-type pull dual control restraint system |
CN208065604U (en) * | 2017-12-29 | 2018-11-09 | 国家电网公司 | A kind of safety rope and aerial work safety belt from volume locking |
CN108785901A (en) * | 2018-07-27 | 2018-11-13 | 柯金炼 | A kind of fall-preventing protection device that can be moved horizontally with worker in construction |
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