CN108144211B - Movable type anti-falling device that ascends a height - Google Patents
Movable type anti-falling device that ascends a height Download PDFInfo
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- CN108144211B CN108144211B CN201711239489.8A CN201711239489A CN108144211B CN 108144211 B CN108144211 B CN 108144211B CN 201711239489 A CN201711239489 A CN 201711239489A CN 108144211 B CN108144211 B CN 108144211B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000009194 climbing Effects 0.000 claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 14
- 210000005069 ears Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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Abstract
The invention provides a movable type climbing anti-falling device which comprises a plurality of movable hooks, anti-falling ropes, self-locking devices and safety belts, wherein the movable hooks are arranged along an iron tower main body from bottom to top, one ends of the movable hooks are provided with sleeves, the other ends of the movable hooks are provided with lantern rings, the sleeves can be sleeved on pins of the iron tower main body, the anti-falling ropes penetrate through the lantern rings of the movable hooks from bottom to top, the end parts of the safety belts are matched with the anti-falling ropes through the self-locking devices, and the anti-falling ropes are bound on the iron. Through with the portable couple suit of a plurality of on the foot nail of iron tower main part, will prevent weighing down the lantern ring that the rope passed portable couple from bottom to top, operating personnel is with the help of safety belt and self-locking ware and prevents weighing down the rope cooperation, can improve operating personnel in the factor of safety of climbing iron tower in-process. The invention has the advantages of low manufacturing cost, quick installation, detachability and recycling, and avoids the phenomena of corrosion and theft caused by long-time outdoor working environment.
Description
Technical Field
The invention belongs to the technical field of electric power climbing tools, and particularly relates to a movable climbing anti-falling device.
Background
The iron tower of transmission line is generally higher, and if the staff does not have effectual device protection in the operation process of climbing the iron tower, the danger that the eminence falls exists often. Therefore, Q/GDW 1799.2-2013 is explicitly stated in the national grid company electric safety work code line part: ' anti-falling safety protection devices for horizontal movement of operating personnel up and down towers and towers with the height of 30m and towers with the height of 220kV and above are suitable to be arranged on steel pipe towers, towers with the height of 30m and towers with the height of 220kV and above.
At present, a common rail type anti-falling device for climbing an iron tower is provided with rails from top to bottom along an iron tower main body, and pedals for climbing are arranged on two sides of the rails. The device can only be installed on a fixed iron tower once, cannot be disassembled, prevents falling from one tower to another, has high manufacturing cost, and needs to invest at least 1.5 ten thousand yuan when adding one base iron tower. The device has the advantages of high manufacturing cost, incapability of moving, high installation cost, long installation period, non-uniform models of manufacturers, blockage phenomenon caused by rail corrosion, easiness in theft and the like. Therefore, the device is difficult to popularize in a large area.
Disclosure of Invention
The invention aims to provide a movable type climbing anti-falling device, which solves the technical problems of high manufacturing cost, long installation period, incapability of moving, easy blockage phenomenon caused by corrosion and easy theft in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a movable type climbing anti-falling device comprises a plurality of movable hooks, anti-falling ropes, self-locking devices and safety belts, wherein the movable hooks are arranged along an iron tower main body from bottom to top;
the lantern ring is an open hook, and the sleeve is provided with a clamping mechanism for clamping the foot nails;
the two opening hooks are respectively a first hook and a second hook which are arranged in parallel, the inner arc grooves of the first hook and the second hook are in up-and-down correspondence, and the opening parts are arranged in a staggered manner; the center lines of the inner arc grooves of the first hook and the second hook are perpendicular to the center line of the foot nail.
Clamping mechanism includes jack catch and spring, the jack catch rotates through the round pin axle with sleeve pipe one end to be connected, the spring setting is just set up in the round pin axle top between first couple and second couple, jack catch and first couple formula structure as an organic whole, sleeve pipe and second couple formula structure as an organic whole.
The sleeve pipe is half surrounding structure, the sleeve pipe includes connecting portion and arranges the ears portion of connecting portion both sides in, two ears portion lower parts be equipped with foot nail complex through-hole, upper portion be equipped with round pin axle complex pinhole, the through-hole coaxial arrangement of two ears portions, the jack catch sets up between two ears portions, the relative connecting portion setting of jack catch.
Furthermore, a clamping groove is formed in the root of the second hook, and the spring is arranged in the clamping groove; the first hook root is provided with an annular limiting groove, and the end part of the spring is arranged in the limiting groove.
Furthermore, the inner side of the clamping jaw is of a concave-convex structure.
Further, the lower part through-hole of two ears portion is slotted hole, and the both ends in slotted hole are the semicircle orifice, the inner arc groove of first couple and second couple is semi-circular.
Further, the anti-falling rope is a high-strength insulating rope; one end of the hanging piece is connected with the anti-falling rope through a hanging ring, and the other end of the hanging piece is a big hook head hook.
Furthermore, the self-locking device is a speed difference self-locking device, one end of the speed difference self-locking device is connected with the safety belt through a porous connecting piece, a pawl locking mechanism is arranged in the other end of the speed difference self-locking device, and locking on the anti-falling rope is achieved through a pawl locking mode.
The movable type climbing anti-falling device provided by the invention has the beneficial effects that: compared with the prior art, the movable climbing anti-falling device has the advantages that the plurality of movable hooks are sleeved on the foot nails of the iron tower main body, the anti-falling rope penetrates through the lantern rings of the movable hooks from bottom to top, and the safety coefficient of an operator in the process of climbing the iron tower can be improved by matching the operator with the anti-falling rope through the safety belt and the self-locking device. The invention has the advantages of low manufacturing cost, quick installation, detachability and recycling, and avoids the phenomena of corrosion and theft caused by long-time outdoor working environment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a mobile climbing anti-falling device provided by an embodiment of the invention;
FIG. 2 is a schematic view of the movable hook of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic structural view of the pawl and the first hook of FIG. 2;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic view of the sleeve and the second hook of FIG. 2;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a diagram illustrating a state of use of the mobile hook according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a clamping mechanism in a movable hook according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
101-a movable hook; 102-a fall arrest line; 103-self-locking device; 104-a seat belt; 1-hanging a connecting piece; 2-a sleeve; 3-hanging a ring; 4-a lantern ring, 41-a first hook, 42-a second hook; 5-clamping mechanism, 51-jaw, 52-spring; 6-pin shaft, 7-through hole, 8-pin hole, 9-clamping groove, 10-limiting groove, 11-top block and 12-torsion spring; 13-big hook head hook; 14-porous connectors.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the mobile climbing anti-falling device provided by the invention will be described. The movable type climbing anti-falling device comprises a movable hook 101, an anti-falling rope 102, a self-locking device 103 and a safety belt 104, wherein the movable hook 101 is arranged from bottom to top along an iron tower main body, one end of the movable hook 101 is provided with a sleeve 1, the other end of the movable hook is provided with a sleeve ring 4, the sleeve 1 can be sleeved on a foot nail of the iron tower main body, the anti-falling rope 102 runs through the sleeve ring 4 of the movable hook 101 from bottom to top, the end part of the safety belt 104 is matched with the anti-falling rope 102 through the self-locking device 103, and the anti-falling rope 102 is bound on the iron tower.
Compared with the prior art, the movable climbing anti-falling device provided by the invention has the advantages that the plurality of movable hooks are sleeved on the foot nails of the iron tower main body in the process of climbing the iron tower, the anti-falling rope penetrates through the lantern ring of the movable hooks from bottom to top, and the operator is matched with the anti-falling rope by virtue of the safety belt and the self-locking device, so that the safety coefficient of the operator in the process of climbing the iron tower is improved, and the safety coefficient of the operator in the process of climbing the iron tower can be improved. After the operation is finished, the movable hook is removed from the foot nail, the movable hook is convenient to use next time, and the phenomena of corrosion and theft caused by long-time outdoor working environment are avoided. The movable hook can be produced in batch, has good universality, and can be arranged on foot nails of different electric power facilities as required; meanwhile, the tool is convenient to manufacture, low in cost and quick and convenient to mount and dismount, the purpose of recycling can be achieved, and the tool cost input is further reduced.
Referring to fig. 2-8, the ring 4 is an open hook, and the sleeve 1 is provided with a clamping mechanism 5 for clamping the nail. Wherein, clamping mechanism 5 includes jack catch 51 and spring 52, jack catch 51 rotates through round pin axle 6 with sleeve pipe 1 one end to be connected, spring 52 sets up between first couple 41 and second couple 42, and sets up in round pin axle 6 top, jack catch 51 and first couple 41 formula structure as an organic whole, sleeve pipe 1 and second couple 42 formula structure as an organic whole. The jack catch uses the round pin axle as the pivot, orders about the jack catch chucking foot nail through the elasticity of spring, can avoid portable anti-falling device that ascends a height to rock and deviate from the foot nail in the use.
In addition, please refer to fig. 9, as another structure of the clamping mechanism, the clamping mechanism includes a top block 11 and a torsion spring 12, the top block 11 is disposed in a blind hole above the sleeve 1 and radially passes through the sleeve 1 for installation, the other end of the top block 11 contacts with the torsion spring 12, and elastic handles at two ends of the torsion spring 12 extend to the outside of two sides of the sleeve. After the sleeve is sleeved on the foot nail, the elastic handle is held by a hand and penetrates through the foot nail, the elastic handle is loosened, the jacking block automatically jacks up the foot nail under the action of the torsional spring, and the sleeve is prevented from being separated from the foot nail due to shaking.
Further, referring to fig. 2 to 7 together, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, two opening hooks are provided, which are respectively a first hook 41 and a second hook 42 arranged in parallel, inner arc grooves of the first hook 41 and the second hook 42 correspond to each other vertically, and opening portions are arranged in a staggered manner; the central lines of the inner arc grooves of the first hook 41 and the second hook 42 are perpendicular to the central line of the foot nail 1, so that the anti-falling rope can be arranged on one side of the foot nail, and the interference of operators in climbing the iron tower is avoided. Prevent weighing down the rope and cross the opening of bypassing first couple 41 and second couple 42, run through in the inner arc inslot of first couple 41 and second couple 42, can reliably carry on spacingly to the rope with the rope, have the lock rope function, avoid the rope to deviate from the opening couple.
Further, referring to fig. 6 and 7 together, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, the sleeve 1 is a semi-enclosed structure, the sleeve 1 includes a connecting portion 21 and two lug portions 22 disposed at two sides of the connecting portion 21, the lower portions of the two lug portions 22 are provided with through holes 7 matched with the pins 1, the upper portions of the two lug portions 22 are provided with pin holes 8 matched with the pin shafts 6, the through holes 7 of the two lug portions 22 are coaxially arranged, the claws 51 are disposed between the two lug portions 22, and the claws 51 are disposed opposite to the connecting portion 21.
Further, referring to fig. 6 and 7, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, a clamping groove 9 is provided at a root of the second hook 42, and the spring 52 is disposed in the clamping groove 9. Can arrange the spring in the draw-in groove of second couple root in, can be with the help of first couple simultaneously with the spring card between first couple and second couple, the spring can make the jack catch rotate to the inboard through the first couple of extrusion, realizes the chucking to the foot nail.
Further, referring to fig. 4 and 5, as a specific embodiment of the mobile ascending and falling protection device provided by the present invention, an annular limiting groove 10 is provided at the root of the first hook 41, and the end of the spring 52 is disposed in the limiting groove 10. The spring is further limited by the limiting groove, and the spring is prevented from being separated.
Further, referring to fig. 4 and 5, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, the inner side of the claw 51 is a concave-convex structure for increasing the friction force between the claw and the foot nail. Wherein, concave-convex structure can select tooth profile structure or wave structure for use, and concave-convex structure's inclined plane all is on a parallel with the round pin axle, can adopt 60 tooth type angles during the preparation.
Further, referring to fig. 6 and 7 together, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, the lower through hole 7 of the double-ear portion 22 is a long hole, so as to be more convenient for being sleeved on the foot nail, and two ends of the long hole are semicircular holes, so as to be convenient for being matched with the foot nail; the inner arc grooves of the first hook 41 and the second hook 42 are semicircular, so that the first hook and the second hook can be conveniently matched with a rope.
Referring to fig. 4-7, the open ends of the first hook 41 and the second hook 42 are spherical to avoid scratching the hand or the surface of the rope during the process of hanging the rope; the outer terminal surface of draw-in groove 9 is the inclined plane, reserves the activity for first couple, avoids appearing the card phenomenon of hindering.
The movable hook is made of titanium alloy metal materials, the strength and the wear resistance can be improved, the weight can be reduced, the movable hook L is 80.5mm, the length B of a lower elongated hole of each double-lug part 22 is 20mm, the diameter D1 of semicircular holes at two ends of each double-lug part is 16.5mm, the diameter of a pin shaft is 3mm, and the diameter D2 of a clamping groove is 8mm, wherein the thickness and the width of the first hook 41 and the second hook 42 are both 5mm, the thickness of each clamping jaw is 3mm, the width of each sleeve is 9mm, and the thickness of the double-lug parts at two sides of each sleeve is 3 mm.
Further, referring to fig. 1 and 8 together, as an embodiment of the mobile climbing and falling protection device provided by the present invention, the falling protection rope 102 is a high-strength insulating rope. Because the insulating rope of high strength's intensity is high, easily the dish is rolled over, light in weight, convenient to carry, insulating properties is good, is fit for the operation personnel to carry and steps on the tower.
Further, referring to fig. 1, as a specific embodiment of the mobile ascending anti-falling device provided by the present invention, one end of the hanging piece 1 is connected to the anti-falling rope 102 through the hanging ring 3, and the other end is a big hook 13. The hook with the big hook head is a buckle for two protective ropes of a safety belt, so that the hook with the big hook head can be conveniently turned on the iron tower by operating personnel after being reliably connected with the iron tower main body, belongs to a frequently movable end, and is convenient and smooth to operate and high in efficiency by utilizing the hook with the big hook head. In the climbing process of a first operator, the anti-falling rope is initially buckled between the waists, the hook with the large hook head is a fixed end at the moment, but when the first operator climbs the tower to the cross arm, the anti-falling rope needs to be detached from the waists and then tied to the firm structure of the iron tower, and the hook with the large hook head is a movable end at the moment.
Further, referring to fig. 1, as a specific embodiment of the mobile climbing anti-falling device provided by the present invention, the self-locker 103 is a differential speed self-locker, one end of the differential speed self-locker is connected to the safety belt 104 through the porous connecting member 14, and a pawl locking mechanism is arranged inside the other end of the differential speed self-locker, so as to realize locking on the anti-falling rope in a pawl locking manner. The speed difference self-locking device can be purchased in the market according to the requirement; the porous connecting piece can select different connecting holes according to the thickness specification of the safety belt rope.
Because the speed difference self-locking device of the pawl locking mode has simple structure, the porous connecting piece has wide application range and high safety factor. When an operator climbs, the safety belt is lifted upwards through the porous connecting piece, and no stress is applied between the pawl and the anti-falling rope; when a human body falls down, the porous connecting piece is instantly pulled downwards, the pawl rapidly props against the anti-falling rope, and the rope is blocked in a short distance by the friction force. The locking distance is small and safe, an 80kG dummy simulates a climbing iron tower falling test, once falling, the anti-falling rope is locked immediately, and the average time of 10 times is 0.2 meter each time; meanwhile, the anti-falling rope can be communicated in two directions, and the use is convenient. The speed difference self-locking device comprises a speed difference self-locking device, a pawl connecting plate, a pawl, a locking spring and a locking spring, wherein the number of the pawls in the speed difference self-locking device is 4, the torque of the locking spring is 8Nm, and the length of the pawl connecting plate is 10 cm; the fall arrest rope has a diameter of 16 mm.
The use process of the mobile climbing anti-falling device provided by the invention is as follows: a plurality of movable climbing anti-falling devices are adjusted on foot nails of an iron tower main body from bottom to top, ropes playing a role of anti-falling are sequentially clamped in the opening hooks, safety belts bound on operators are connected with the anti-falling ropes through anti-falling self-locking devices, and the operators can safely climb the iron tower from top to bottom.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Portable anti-falling device that ascends a height, its characterized in that: the anti-falling rope is characterized by comprising a plurality of movable hooks, anti-falling ropes, self-locking devices and safety belts, wherein the movable hooks are arranged along an iron tower main body from bottom to top;
the lantern ring is an open hook, and the sleeve is provided with a clamping mechanism for clamping the foot nails;
the two opening hooks are respectively a first hook and a second hook which are arranged in parallel, the inner arc grooves of the first hook and the second hook are in up-and-down correspondence, and the opening parts are arranged in a staggered manner; the center lines of the inner arc grooves of the first hook and the second hook are perpendicular to the center line of the foot nail;
the clamping mechanism comprises a clamping jaw and a spring, the clamping jaw is rotatably connected with one end of the sleeve through a pin shaft, the spring is arranged between the first hook and the second hook and above the pin shaft, the clamping jaw and the first hook are of an integrated structure, and the sleeve and the second hook are of an integrated structure;
the sleeve pipe is half surrounding structure, the sleeve pipe includes connecting portion and arranges the ears portion of connecting portion both sides in, two ears portion lower parts be equipped with foot nail complex through-hole, upper portion be equipped with round pin axle complex pinhole, the through-hole coaxial arrangement of two ears portions, the jack catch sets up between two ears portions, the relative connecting portion setting of jack catch.
2. The mobile climbing fall protection device according to claim 1, wherein: the root of the second hook is provided with a clamping groove, and the spring is arranged in the clamping groove; the first hook root is provided with an annular limiting groove, and the end part of the spring is arranged in the limiting groove.
3. The mobile climbing fall protection device according to claim 1, wherein: the inside of the clamping jaw is of a concave-convex structure.
4. The mobile climbing fall protection device according to claim 1, wherein: the lower part through-hole of two ears portion is slotted hole, and the both ends in slotted hole are the semicircle orifice, the inner arc groove of first couple and second couple is semi-circular.
5. The mobile overhead fall arrest device according to any one of claims 1 to 4, wherein: the anti-falling rope is a high-strength insulating rope; one end of the hanging piece is connected with the anti-falling rope through a hanging ring, and the other end of the hanging piece is a big hook head hook.
6. The mobile climbing fall protection device according to claim 5, wherein: the self-locking device is a speed difference self-locking device, one end of the speed difference self-locking device is connected with the safety belt through a porous connecting piece, a pawl locking mechanism is arranged inside the other end of the speed difference self-locking device, and locking on the anti-falling rope is achieved through the pawl locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239489.8A CN108144211B (en) | 2017-11-30 | 2017-11-30 | Movable type anti-falling device that ascends a height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239489.8A CN108144211B (en) | 2017-11-30 | 2017-11-30 | Movable type anti-falling device that ascends a height |
Publications (2)
| Publication Number | Publication Date |
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| CN108144211A CN108144211A (en) | 2018-06-12 |
| CN108144211B true CN108144211B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711239489.8A Active CN108144211B (en) | 2017-11-30 | 2017-11-30 | Movable type anti-falling device that ascends a height |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109663243A (en) * | 2018-12-10 | 2019-04-23 | 国家电网有限公司 | Job mix of ascending a height suit |
| CN109663227A (en) * | 2018-12-20 | 2019-04-23 | 温州大学 | A kind of hand-held safety hook of the escape ladder promoted for villages within the city's fire-fighting |
| ES2841979A1 (en) * | 2020-01-10 | 2021-07-12 | Alarcon Ricardo Sanchez | Portable quick-clamp accessory for pull-ups (Machine-translation by Google Translate, not legally binding) |
| CN113833399A (en) * | 2021-09-23 | 2021-12-24 | 国网山东省电力公司利津县供电公司 | Electric power iron tower safety climbing device |
| CN113679982B (en) * | 2021-09-29 | 2022-06-14 | 广东电网有限责任公司 | Pole climbing protection device |
| CN114832252A (en) * | 2022-03-28 | 2022-08-02 | 广东电网有限责任公司广州供电局 | Multifunctional climbing safety ring |
| CN114744543B (en) * | 2022-04-08 | 2023-10-20 | 国网浙江省电力有限公司金华供电公司 | Self-locking hook for unmanned aerial vehicle rescue equipment of power transmission line |
| KR102693315B1 (en) * | 2022-07-08 | 2024-08-08 | 제룡산업 주식회사 | Safety apparatus for preventing steel tower fall |
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| KR20050112971A (en) * | 2004-05-28 | 2005-12-01 | 한전기공주식회사 | The instrument of prevention fall to the ground on transmission tower |
| CN101590308A (en) * | 2009-04-23 | 2009-12-02 | 上海市电力公司超高压输变电公司 | Safety device for shackle frame iron tower high altitude work |
| CN201453879U (en) * | 2009-07-27 | 2010-05-12 | 重庆市电力公司电网检修分公司 | Pole climbing anti-falling device |
| CN202516192U (en) * | 2012-04-27 | 2012-11-07 | 邢台供电公司 | Mobile anti-falling device |
| CN203777542U (en) * | 2014-03-04 | 2014-08-20 | 国家电网公司 | High-altitude fall protection hook for iron power tower |
| CN205796286U (en) * | 2016-05-04 | 2016-12-14 | 温州德拓电力器材有限公司 | A kind of movable type falling protection protection device |
Also Published As
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|---|---|
| CN108144211A (en) | 2018-06-12 |
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