CN212462601U - Suspension device is fixed in high altitude construction - Google Patents

Suspension device is fixed in high altitude construction Download PDF

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Publication number
CN212462601U
CN212462601U CN202021881078.6U CN202021881078U CN212462601U CN 212462601 U CN212462601 U CN 212462601U CN 202021881078 U CN202021881078 U CN 202021881078U CN 212462601 U CN212462601 U CN 212462601U
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CN
China
Prior art keywords
fixed
rail
inner rail
telescopic
self
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Expired - Fee Related
Application number
CN202021881078.6U
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Chinese (zh)
Inventor
张龙峰
屈应良
冯祎
任旭方
黄怡
李朋
秦晓东
裴三雷
杨硕
李林宇
蒋喜娣
王曼
李卫冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Henan Electric Power Co Yiyang County Power Supply Co
State Grid Corp of China SGCC
Original Assignee
State Grid Henan Electric Power Co Yiyang County Power Supply Co
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Henan Electric Power Co Yiyang County Power Supply Co, State Grid Corp of China SGCC filed Critical State Grid Henan Electric Power Co Yiyang County Power Supply Co
Priority to CN202021881078.6U priority Critical patent/CN212462601U/en
Application granted granted Critical
Publication of CN212462601U publication Critical patent/CN212462601U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A high-altitude operation fixing and hanging device relates to the field of high-altitude construction, wherein a storage mechanism is fixed at the lower end of an outer rail mechanism, and an inner rail mechanism is connected inside the outer rail mechanism in a rolling manner; a fixed linkage of high altitude construction, storage box through the little trapezoidal design of big-end-up makes the side between two outer rails separately be big-end-up's trapezoidal, can make when the staff stands on first telescopic link and second telescopic link, middle low both sides are high, first telescopic link and second telescopic link can not slide to the inner chamber of arc, the support is good, the security is high, when passing fixed disk and fixed plate, the staff stands on outer rail, middle high both sides are low, first telescopic link and second telescopic link can be automatic to both sides removal entering arc under the action of gravity, and easy operation, barrier is kept away to intelligence, through the concertina movement of interior stretch-draw pipe on outer flexible pipe, drive arrangement unidirectional movement, need not the manual work hard, low in labor strength.

Description

Suspension device is fixed in high altitude construction
Technical Field
The utility model belongs to the technical field of high altitude construction and specifically relates to a suspension device is fixed in high altitude construction.
Background
The existing high-altitude electric power operation tool in China is quite backward, high-altitude operation personnel often climb and move by hands only by means of one safety rope, although the high-altitude electric wire is high in strength and can bear heavy weight, the high-altitude electric wire is thin and round, when the high-altitude electric wire travels, the contact area of the high-altitude electric wire with a worker is small, the lower part of the foot of the worker bears high pressure, the high-altitude electric wire is quite uncomfortable and slow to travel, the worker is quite unstable to fix the high-altitude electric wire on the high-altitude electric wire, the electric wire often falls off and is tightened by the safety rope during operation, the body health is greatly influenced, the electric wire is climbed again under rescue, the high-altitude electric power operation tool is quite dangerous, the adaptation time of a new hand is very long, and the worker is in shortage, the method cannot carry more parts and machines with large mass, a lot of work cannot be finished, the high-altitude electric wire climbing device has the advantages that the high-altitude electric wire climbing device needs to climb at high altitude for a long time, the labor intensity is high, the length of the high-altitude electric wire is large, a plurality of electric wires are fixed together by using the fixing frame, or the hanging device is fixed, high-altitude operation personnel have high difficulty in penetrating through the fixing frame and high danger, simple equipment on the market cannot pass through the high-altitude operation personnel at present, the mechanical high-altitude hanging device is limited, and the high-altitude operation personnel can climb and walk only by hands under the protection effect.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a high-altitude operation fixing and hanging device, the utility model divides the side surface between two outer rails into a trapezoid with a big top and a small bottom through a storage box with a big top and a small bottom, so that when a worker stands on a first telescopic rod and a second telescopic rod, the middle part is low, the two sides are high, the first telescopic rod and the second telescopic rod can not slide to the inner cavity of an arc-shaped plate, the supporting function is good, the safety is high, when the worker stands on the outer rails when passing through a fixed disc and a fixed plate, the middle part is high, the two sides are low, the first telescopic rod and the second telescopic rod can automatically move to the two sides to enter the arc-shaped plate under the action of gravity, the operation is simple, the intelligent obstacle avoidance is realized, the telescopic motion of an inner telescopic pipe on an outer telescopic pipe is adopted, the driving device can move in one direction, simple structure, it is longe-lived, form the plane through first telescopic link and second telescopic link and supply high altitude construction personnel to stand, low in labor strength, the efficiency of construction is high, through more appurtenance of storage box portability and part, optimizes operating mass, improves work efficiency.
In order to realize the utility model aims at, the utility model adopts the following technical scheme:
the utility model provides a fixed linkage of high altitude construction, includes outer rail mechanism, the lower extreme of outer rail mechanism is fixed with puts the thing mechanism, the inside roll connection of outer rail mechanism has interior rail mechanism, the rear end of outer rail mechanism and interior rail mechanism is fixed with self-locking mechanism, interior rail mechanism sliding connection is on high altitude electric wire mechanism, connect through power unit between outer rail mechanism and the interior rail mechanism.
The outer rail mechanism comprises two outer rails, inner grooves are formed in the inner sides of the two outer rails respectively, top plates are fixed to the same ends of the two outer rails respectively, and arc plates are fixed to the middle portions of the outer side faces of the two outer rails respectively.
Interior rail mechanism includes rail in first interior rail and the second, sliding connection has the first telescopic link of being no less than ten on the rail in first, the inboard of ten first telescopic links all is fixed with inserts the post, ten other ends of inserting the post all are fixed with the cone, sliding connection has the second telescopic link of being no less than ten on the rail in the second, the jack has all been seted up to the inboard of ten second telescopic links, it can insert in the jack to insert the post, the lower extreme of ten first telescopic links and ten second telescopic links is connected with down the gyro wheel through the bearing respectively, the outer end middle part of first telescopic link and second telescopic link all is connected with the side roller through the bearing.
The high-altitude electric wire mechanism comprises a high-altitude electric wire, a lower roller is connected to the high-altitude electric wire in a rolling mode, and a fixed disc is fixed to the high-altitude electric wire through a fixed plate.
The self-locking mechanism comprises an outer rail self-locking rod, the outer rail self-locking rod is connected to the rear ends of the two outer rails through hinges respectively, outer rail arc-shaped grooves are formed in the tail ends of the outer rail self-locking rods, arc-shaped rubber sheets are fixed to the two outer rail arc-shaped grooves respectively, the rear ends of the first inner rail and the second inner rail are connected with inner rail self-locking rods through hinges respectively, the inner rail arc-shaped grooves are formed in the two inner rail self-locking rods respectively, and the arc-shaped rubber sheets are fixed to the two inner rail arc-shaped grooves respectively.
The power mechanism comprises two outer telescopic pipes, the two outer telescopic pipes are fixed on the first inner rail and the second inner rail respectively, the two outer telescopic pipes are connected with inner telescopic pipes in a sliding mode respectively, and the other ends of the two inner telescopic pipes are fixed with top plates respectively.
The storage mechanism comprises a storage box, the storage box is fixed at the lower ends of the two outer rails, and batteries are fixed on the storage box.
And an inward tension spring is arranged between the two outer rail self-locking rods and the outer rail, and an inward tension spring is arranged between the two inner rail self-locking rods and the first inner rail and the second inner rail.
The storage box is made of elastic materials and is in a trapezoid shape with a large upper part and a small lower part.
The outer rail mechanism, the inner rail mechanism and the article placing mechanism are all made of light materials under the condition of ensuring the strength.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model relates to a high altitude construction fixed linkage, make the side between two outer rails separately become big-end-up's trapezoidal through the storage box of big-end-up's little trapezoidal design, can make when the staff stands on first telescopic link and second telescopic link, the centre is low both sides height, first telescopic link and second telescopic link can not slide to the inner chamber of arc, support the effect well, the security is high, when passing fixed disk and fixed plate, the staff stands on the outer rail, the centre is high both sides low, first telescopic link and second telescopic link can move to both sides automatically under the action of gravity and get into the arc, the operation is simple, intelligent obstacle avoidance, through the concertina movement of inner telescopic pipe on outer telescopic pipe, drive arrangement unidirectional movement, need not artifical hard, low in labor strength, the device quality is little, moreover, the steam generator is simple in structure, long service life, form the plane through first telescopic link and second telescopic link and supply high altitude construction personnel to stand, low in labor strength, the efficiency of construction is high, through more appurtenance of storage box portability and part, optimizes operating mass, improves work efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the outer rail mechanism of the present invention;
FIG. 3 is a schematic view of the three-dimensional mechanism of the inner rail mechanism of the present invention;
FIG. 4 is a schematic semi-sectional perspective view of the inner rail mechanism of the present invention;
FIG. 5 is a schematic semi-sectional perspective view of the present invention;
fig. 6 is a perspective view of the overhead wire mechanism of the present invention.
1. An outer rail mechanism; 101. an outer rail; 102. an inner tank; 103. a top plate; 104. an arc-shaped plate; 2. an inner rail mechanism; 201. a first inner rail; 202. a first telescopic rod; 203. a second telescopic rod; 204. a second inner rail; 205. a jack; 206. inserting a column; 207. a conical head; 208. a side roller; 209. a lower roller; 3. a high-altitude wire mechanism; 301. an overhead wire; 302. fixing the disc; 303. a fixing plate; 4. a self-locking mechanism; 401. an outer rail self-locking lever; 402. an outer rail arc-shaped groove; 403. an inner rail self-locking lever; 404. an inner rail arc-shaped groove; 5. a power mechanism; 501. extending the pipe outwards; 502. an inner telescopic pipe; 6. a placement mechanism; 601. a storage box; 602. a battery.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
The device for fixing and hanging the aerial work comprises an outer rail mechanism 1, wherein a storage mechanism 6 is fixed at the lower end of the outer rail mechanism 1, an inner rail mechanism 2 is connected to the inside of the outer rail mechanism 1 in a rolling mode, a self-locking mechanism 4 is fixed at the rear ends of the outer rail mechanism 1 and the inner rail mechanism 2, the inner rail mechanism 2 is connected to an aerial wire mechanism 3 in a sliding mode, and the outer rail mechanism 1 and the inner rail mechanism 2 are connected through a power mechanism 5.
The outer rail mechanism 1 comprises outer rails 101, the number of the outer rails 101 is two, inner grooves 102 are formed in the inner sides of the two outer rails 101 respectively, the first inner rail 201 and the second inner rail 204 can be fixed by the inner grooves 102 and can slide directionally, the top plates 103 are fixed at the same ends of the two outer rails 101 respectively, the top plates 103 can transmit the pushing force or the pulling force of the inner telescopic pipes 502 to the outer rails 101, arc-shaped plates 104 are fixed at the middle parts of the outer side surfaces of the two outer rails 101 respectively, and the first telescopic rods 202 and the second telescopic rods 203 can slide towards the outer sides of the first inner rail 201 and the second inner rail 204 through the arc-shaped plates 104 to avoid obstacles.
The inner rail mechanism 2 comprises a first inner rail 201 and a second inner rail 204, wherein at least ten first telescopic rods 202 are connected onto the first inner rail 201 in a sliding manner, the first telescopic rods 202 can be matched with the second telescopic rods 203 to form a plane for an overhead worker to stand, the construction quality is improved, the labor intensity is reduced, inserting columns 206 are fixed on the inner sides of the ten first telescopic rods 202, the inserting columns 206 can be inserted into the inserting holes 205, the first telescopic rods 202 and the second telescopic rods 203 are connected together and firmly fixed, conical heads 207 are fixed on the other ends of the ten inserting columns 206, the conical heads 207 can enable the inserting columns 206 to be easily inserted into the inserting holes 205, at least ten second telescopic rods 203 are connected onto the second inner rail 204 in a sliding manner, the inserting holes 205 are formed on the inner sides of the ten second telescopic rods 203, the inserting columns 206 can be inserted into the inserting holes 205, lower ends of the ten first telescopic rods 202 and the ten second telescopic rods 203 are respectively connected with lower rollers 209 through bearings, the lower roller 209 can make the movement of the inner rail mechanism 2 on the overhead electric wire 301 more labor-saving, and the middle parts of the outer ends of the first telescopic rod 202 and the second telescopic rod 203 are connected with the side rollers 208 through bearings.
The overhead wire mechanism 3 comprises an overhead wire 301, a lower roller 209 is connected to the overhead wire 301 in a rolling manner, and a fixed disc 302 is fixed on the overhead wire 301 through a fixed plate 303.
Self-locking mechanism 4 includes outer rail self-locking lever 401, outer rail self-locking lever 401 is respectively through the rear end of hinge connection at two outer rails 101, outer rail arc wall 402 has been seted up to outer rail self-locking lever 401's end, be fixed with the arc sheet rubber on two outer rail arc walls 402 respectively, the fixed sheet rubber can increase frictional force on outer rail arc wall 402 and the inner rail arc wall 404, can also protect high altitude electric wire 301 not impaired, the rear end of first inner rail 201 and second inner rail 204 has inner rail self-locking lever 403 through hinge connection respectively, can make outer rail self-locking lever 401 and inner rail self-locking lever 403 transversely rotate through hinge connection, inner rail arc wall 404 has been seted up respectively on two inner rail self-locking levers 403, be fixed with the arc sheet rubber respectively on two inner rail arc walls 404.
The power mechanism 5 comprises two outer telescopic pipes 501, the two outer telescopic pipes 501 are respectively fixed on the first inner rail 201 and the second inner rail 204, the two outer telescopic pipes 501 are respectively connected with an inner telescopic pipe 502 in a sliding manner, and the other ends of the two inner telescopic pipes 502 are respectively fixed with the top plate 103.
The storage mechanism 6 comprises a storage box 601, the storage box 601 is fixed at the lower ends of the two outer rails 101, and a battery 602 is fixed on the storage box 601.
An inward tension spring is arranged between the two outer rail self-locking rods 401 and the outer rail 101, an inward tension spring is arranged between the two inner rail self-locking rods 403 and the first inner rail 201 and the second inner rail 204, and the tension springs can enable the outer rail self-locking rods 401 and the inner rail self-locking rods 403 to be always close to the high-altitude electric wire 301, so that self-locking failure caused by displacement is prevented.
Storage box 601 makes for elastic material, storage box 601 is big-end-up's trapezoidal, storage box 601 through big-end-up's trapezoidal design makes the side between two outer rails 101 separately be big-end-up's trapezoidal, can make when the staff stands on first telescopic link 202 and second telescopic link 203, middle low both sides are high, first telescopic link 202 and second telescopic link 203 can not slide to the inner chamber of arc 104, it is good to support the effect, the security is high, when passing fixed disk 302 and fixed plate 303, the staff stands on outer rail 101, middle high both sides are low, first telescopic link 202 and second telescopic link 203 can be automatic to both sides removal entering arc 104 under the action of gravity.
The outer rail mechanism 1, the inner rail mechanism 2 and the article placing mechanism 6 are all made of light materials under the condition of ensuring the strength, the mass of the device is reduced, and the gravity of the high-altitude electric wire 301 is reduced.
When the high-altitude operation fixing and hanging device is used, a worker puts a first telescopic rod 202 and a second telescopic rod 203 on a high-altitude electric wire 301, a needed article is filled in a storage box 601, the high-altitude operation worker locks a safety rope on the high-altitude electric wire 301 and stands on the first telescopic rod 202 and the second telescopic rod 203, when the high-altitude operation worker needs to advance, an inner telescopic tube 502 is driven by a battery 602 to retract into an outer telescopic tube 501, the inner telescopic tube 502 exerts backward pulling force on a top plate 103, the top plate 103 pushes an outer rail 101 backwards, an outer rail self-locking rod 401 on the outer rail 101 is contacted with the high-altitude electric wire 301, an outer rail arc-shaped groove 402 is clamped on the high-altitude electric wire 301 to enable the outer rail 101 not to retreat, due to the angle relation between the inner rail self-locking rod 403 and the high-altitude electric wire 301, the inner rail self-locking rod 403 and the inner rail arc-shaped groove 404 cannot be self-locked on the high-altitude electric wire 301, the outer telescopic tube 501 drives a first inner rail 201 and a second inner rail, when the inner telescopic tube 502 extends on the outer telescopic tube 501, the outer telescopic tube 501 pushes the first inner rail 201 and the second inner rail 204 backwards, the inner rail self-locking rod 403 on the first inner rail 201 and the second inner rail 204 is contacted with the overhead electric wire 301, the inner rail arc-shaped groove 404 is clamped on the overhead electric wire 301, the first inner rail 201 and the second inner rail 204 cannot move backwards, due to the angle relationship between the outer rail self-locking rod 401 and the overhead electric wire 301, the outer rail self-locking rod 401 and the outer rail arc-shaped groove 402 cannot self-lock at this time, the inner telescopic tube 502 pushes the outer rail 101 to move forwards, in the process of the telescopic conversion of the inner telescopic tube 502 on the outer telescopic tube 501, the driving device continuously moves forwards, when the operation needs to be stopped, an external device is used for braking, when the fixed disc 302, the fixed plate 303 and other obstacles are crossed, the arc-shaped plate 104 on the outer rail 101 is aligned with the fixed disc 302 and the fixed plate 303, the first inner rail 201 and the second inner rail 204 roll forward on the inner groove 102 in the outer rail 101 under the action of the side roller 208, when passing through the fixed disc 302, the fixed plate 303 and the arc-shaped plate 104, the first telescopic rod 202 and the second telescopic rod 203 roll into a cavity in the arc-shaped plate 104 under the action of the side roller 208, the first telescopic rod 202 and the second telescopic rod 203 simultaneously slide on the first inner rail 201 and the second inner rail 204 to two sides and separate, the inserting column 206 slides out of the inserting hole 205, when passing through the fixed disc 302 and the fixed plate 303, the side roller 208 rolls to the inner side on the arc-shaped plate 104, the first telescopic rod 202 and the second telescopic rod 203 are close to each other, the inserting column 206 is inserted into the inserting hole 205, the first telescopic rod 202 and the second telescopic rod 203 are contacted until all the first telescopic rod 202 and the second telescopic rod 203 pass through the fixed disc 302 and the fixed plate 303 in this way, and a flat plate is formed on the other side of the fixed disc 302 and, because the storage box 601 separates the side between two outer rails 101 into big end up's trapezoidal, when the staff stands on first telescopic link 202 and second telescopic link 203, the middle is low both sides height, first telescopic link 202 and second telescopic link 203 can not slide to the inner chamber of arc 104, when passing fixed disk 302 and fixed plate 303, the staff stands on outer rail 101, the middle is high both sides low, first telescopic link 202 and second telescopic link 203 can move to both sides automatically and get into arc 104 under the action of gravity.
The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.

Claims (10)

1. A high-altitude operation fixing and hanging device is characterized in that: including outer rail mechanism (1), the lower extreme of outer rail mechanism (1) is fixed with puts thing mechanism (6), the inside roll connection of outer rail mechanism (1) has interior rail mechanism (2), the rear end of outer rail mechanism (1) and interior rail mechanism (2) is fixed with self-locking mechanism (4), interior rail mechanism (2) sliding connection is on high altitude electric wire mechanism (3), connect through power unit (5) between outer rail mechanism (1) and the interior rail mechanism (2).
2. The aerial work fixed suspension of claim 1 further comprising: the outer rail mechanism (1) comprises two outer rails (101), the inner grooves (102) are formed in the inner sides of the two outer rails (101), the top plates (103) are fixed at the same ends of the two outer rails (101), and arc-shaped plates (104) are fixed in the middle of the outer side surfaces of the two outer rails (101).
3. The aerial work fixed suspension of claim 2 further comprising: the inner rail mechanism (2) comprises a first inner rail (201) and a second inner rail (204), at least ten first telescopic rods (202) are connected on the first inner rail (201) in a sliding way, inserting columns (206) are fixed on the inner sides of the ten first telescopic rods (202), conical heads (207) are fixed at the other ends of the ten inserting columns (206), at least ten second telescopic rods (203) are connected on the second inner rail (204) in a sliding way, the inner sides of the ten second telescopic rods (203) are all provided with jacks (205), the inserting column (206) can be inserted into the inserting hole (205), the lower ends of the ten first telescopic rods (202) and the ten second telescopic rods (203) are respectively connected with a lower roller (209) through bearings, the middle parts of the outer ends of the first telescopic rod (202) and the second telescopic rod (203) are connected with side rollers (208) through bearings.
4. The aerial work fixed suspension of claim 1 further comprising: the high-altitude electric wire mechanism (3) comprises a high-altitude electric wire (301), a lower roller (209) is connected to the high-altitude electric wire (301) in a rolling mode, and a fixed disc (302) is fixed to the high-altitude electric wire (301) through a fixed plate (303).
5. The aerial work fixed suspension of claim 3 wherein: self-locking mechanism (4) are including outer rail self-locking lever (401), outer rail self-locking lever (401) are respectively through the rear end of hinge connection at two outer rails (101), outer rail arc wall (402) have been seted up to the end of outer rail self-locking lever (401), be fixed with the arc sheet rubber on two outer rail arc wall (402) respectively, the rear end of rail (204) has inner rail self-locking lever (403) through hinge connection respectively in first inner rail (201) and the second, inner rail arc wall (404) have been seted up on two inner rail self-locking levers (403) respectively, be fixed with the arc sheet rubber on two inner rail arc walls (404) respectively.
6. The aerial work fixed suspension of claim 3 wherein: the power mechanism (5) comprises two outer telescopic pipes (501), the two outer telescopic pipes (501) are fixed on the first inner rail (201) and the second inner rail (204) respectively, the two outer telescopic pipes (501) are connected with inner telescopic pipes (502) in a sliding mode respectively, and the other ends of the two inner telescopic pipes (502) are fixed with the top plate (103) respectively.
7. The aerial work fixed suspension of claim 2 further comprising: put thing mechanism (6) including storage box (601), storage box (601) are fixed at the lower extreme of two outer rails (101), be fixed with battery (602) on storage box (601).
8. The aerial work fixed suspension of claim 5 further comprising: an inward tension spring is arranged between the two outer rail self-locking rods (401) and the outer rail (101), and an inward tension spring is arranged between the two inner rail self-locking rods (403) and the first inner rail (201) and the second inner rail (204).
9. The aerial work fixed suspension of claim 7 wherein: the storage box (601) is made of elastic materials, and the storage box (601) is in a trapezoid shape with a large upper part and a small lower part.
10. The aerial work fixed suspension of claim 1 further comprising: the outer rail mechanism (1), the inner rail mechanism (2) and the article placing mechanism (6) are all made of light materials under the condition of ensuring the strength.
CN202021881078.6U 2020-09-02 2020-09-02 Suspension device is fixed in high altitude construction Expired - Fee Related CN212462601U (en)

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Application Number Priority Date Filing Date Title
CN202021881078.6U CN212462601U (en) 2020-09-02 2020-09-02 Suspension device is fixed in high altitude construction

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Application Number Priority Date Filing Date Title
CN202021881078.6U CN212462601U (en) 2020-09-02 2020-09-02 Suspension device is fixed in high altitude construction

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CN212462601U true CN212462601U (en) 2021-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112072545A (en) * 2020-09-02 2020-12-11 国网河南省电力公司宜阳县供电公司 Suspension device is fixed in high altitude construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112072545A (en) * 2020-09-02 2020-12-11 国网河南省电力公司宜阳县供电公司 Suspension device is fixed in high altitude construction
CN112072545B (en) * 2020-09-02 2024-07-09 国网河南省电力公司宜阳县供电公司 Overhead working fixing and hanging device

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