CN212141204U - Anti-falling system for aerial work - Google Patents
Anti-falling system for aerial work Download PDFInfo
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- CN212141204U CN212141204U CN202020719916.3U CN202020719916U CN212141204U CN 212141204 U CN212141204 U CN 212141204U CN 202020719916 U CN202020719916 U CN 202020719916U CN 212141204 U CN212141204 U CN 212141204U
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Abstract
The anti-falling system for the aerial work comprises a steel wire rope, an end fixing piece, a middle fixing piece, a safety rope and a safety belt; the two end fixing pieces are respectively positioned at the two ends of the steel wire rope; the middle fixing piece is fixedly connected with the steel wire rope; the upper end of the safety rope is provided with a safety hook which is arranged on the steel wire rope, and the lower end of the safety rope is connected with the safety belt; the safety hook comprises a hook body, wherein a connecting hook and an auxiliary body fixed on the side part of the connecting hook are arranged on the hook body, the connecting hook is in a ring shape, a vertical gap is formed in the side wall of the ring, and the ring is hinged with a vertical pressing plate in a manner of matching with the gap; the auxiliary body comprises an upper auxiliary block and a lower auxiliary block which are arranged at intervals. The safety hook of the high-altitude anti-falling system of the utility model is always connected with the steel wire rope, so that the connected empty window period is avoided, and the safety factor is high; in addition, the system has large span, can freely move between the two middle fixing pieces, and can improve the operation speed by pulling the pressing plate without fixing pieces.
Description
Technical Field
The utility model belongs to the high altitude construction field in the building work progress especially relates to an aerial working anti-falling system.
Background
In the building construction process, when the outrigger of carrying out major structure demolishs, when falling the height reference face and be greater than 2m, then belong to the aerial work, need carry out effectual safety protection to dismantling the construction workman.
The existing safety protection mode is as follows: the first scheme is as follows: directly hanging the safety belt on an external frame to be dismantled; scheme II: and (4) installing a wall-penetrating bolt on the construction wall body, and hanging the safety belt on the wall-penetrating bolt.
The defects of the two modes are as follows:
for the first scheme, the safety belt is directly hung on a cross rod of an outer frame to be dismantled, and due to the fact that the length of the safety belt is limited, after the outer frame is dismantled for a certain distance, the outer frame needs to return to a hanging point, the safety hook is removed, the position of the hanging point needs to be changed, and the safety belt is basically moved at intervals of 4m in the situation, and the hanging point is frequently changed. Under the condition, the safety guarantee of the constructors has blank periods, and the personal safety of the constructors cannot be effectively guaranteed.
And for the second scheme, a mode of through-wall bolts and safety belts is adopted, the reserved through-wall holes are poured by utilizing the wall body, and one through-wall bolt is connected with one safety belt. The safety belt length is limited, when the outer frame is dismantled, the position of threading wall bolt and safety belt need frequently be moved, not only the construction progress is slow, but also can produce big safe vacant window period, has increased unsafe factor.
The two modes can not effectively guarantee the safety in the process of high-altitude operation, and simultaneously reduce the operation efficiency. In view of the fact that building construction is more and more extensive at present, high-altitude operation almost relates to each construction site, and an anti-falling system for high-altitude operation, which can effectively guarantee safety and cannot cause low operation efficiency, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high altitude construction anti-falling system with high safety and convenient use.
In order to solve the technical problem, the utility model provides a following technical scheme: the anti-falling system for the aerial work comprises a steel wire rope, an end fixing piece, a middle fixing piece, a safety rope and a safety belt; the two end fixing pieces are respectively positioned at the two ends of the steel wire rope; the middle fixing piece is fixedly connected with the steel wire rope; the upper end of the safety rope is provided with a safety hook which is arranged on the steel wire rope, and the lower end of the safety rope is connected with the safety belt; the safety hook comprises a hook body, wherein a connecting hook and an auxiliary body fixed on the side part of the connecting hook are arranged on the hook body, the connecting hook is in a ring shape, a vertical gap is formed in the side wall of the ring, and the ring is hinged with a vertical pressing plate in a manner of matching with the gap; the auxiliary body includes last auxiliary block and the lower auxiliary block of interval setting, goes up the distance between auxiliary block and the lower auxiliary block and is greater than the thickness of middle part mounting 10~15 mm.
The pressure plate is connected with the circular ring through a volute spiral spring.
The lower surface of the upper auxiliary block and the upper surface of the lower auxiliary block are both provided with claws arranged along the length direction of the steel wire rope; the upper surface and the lower surface of the middle fixing piece are respectively matched with the clamping jaws to form clamping grooves.
The end fixing part comprises a wall bolt and a steel ring welded with the wall bolt, and the end part of the steel wire rope penetrates through the steel ring.
The middle part mounting has two at least, and middle part mounting is along wire rope length direction evenly distributed, and the middle part mounting includes U type pole and slides the fixed plate that sets up on the U type pole, and wire rope wears to locate between U type pole and the fixed plate.
The U-shaped rod is provided with external threads, and the end part of the U-shaped rod is connected with an expansion bolt.
The ring is provided with a positioning block positioned outside the notch, and the distance between the bottom end of the positioning block and the bottom surface of the notch is smaller than the length of the pressing plate.
The lower part of the hook body is provided with a connecting block, a connecting rotating shaft is arranged in the connecting block in a rotating way, and the connecting rotating shaft is fixedly connected with the safety rope.
The connecting block comprises an upper connecting plate and a lower connecting plate which are horizontally arranged from top to bottom in sequence, the upper connecting plate and the lower connecting plate are both provided with through holes, and the connecting rotating shaft penetrates through the through holes; an upper clamping plate and a lower clamping plate are respectively arranged above the upper connecting plate and the lower connecting plate, and the diameters of the upper clamping plate and the lower clamping plate are both larger than the aperture of the through hole; the upper clamping plate and the lower clamping plate are welded with the connecting rotating shaft.
A buffer spring is arranged between the upper connecting plate and the upper clamping plate; and a buffer spring is arranged between the lower connecting plate and the lower clamping plate.
Through the technical scheme, the beneficial effects of the utility model are that:
(1) the system has strong practicability and simple structure, and the used materials are common materials in the construction site, so the manufacturing cost is low; the installation and the disassembly are convenient, the installation at one time in the same height is simple and quick, and the fixation is convenient.
(2) The safety factor is high; the steel wire rope can be installed by a constructor standing in a floor, and when the constructor works at the same height, the purpose of one-time installation and multiple use is achieved, unsafe factors caused by frequent movement of the safety belt directly hung on the wall-penetrating bolt are avoided, and the operation safety coefficient is improved; the operation range is enlarged, the full coverage of the operation range is achieved, and the safety of construction operation is greatly improved.
(3) The span is large; the single span of the existing safety protection steel wire rope reaches 6m, the safety belt is hung on the steel wire rope, and when the outer frame is detached, the safety protection steel wire rope can move freely, so that the operation range is greatly enlarged.
(4) The moving times of the safety belt are reduced; the safety belt is directly hung on the steel wire rope, and personnel can freely move on the steel wire rope per span during construction operation.
(5) The turnover is high; the materials used by the system are common materials for site construction, and the materials are convenient to obtain; in the use process, when the component is worn, the corresponding component is directly replaced, and the component can be repeatedly used at different heights.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a steel cord construction;
FIG. 3 is a schematic view of an end fastener construction;
FIG. 4 is a schematic view of a central fixing element;
FIG. 5 is a schematic view of a safety hook;
fig. 6 is a perspective view of the safety hook.
Detailed Description
An anti-falling system for aerial work is shown in figures 1-6 and comprises a steel wire rope 3, an end fixing piece 1, a middle fixing piece 2, a safety rope 4 and a safety belt 5.
Two ends of the steel wire rope 3 are fixed on the outer wall body through the end fixing piece 1, so that the steel wire rope 3 forms a horizontal moving track. The steel wire rope 3 is fixed on the outer wall body by the middle fixing piece 2 along the length direction of the steel wire rope 3 on the steel wire rope 3, so that the stability of the steel wire rope 3 is ensured, and the steel wire rope 3 is prevented from greatly drooping. One end of the safety rope 4 is fixed on the safety belt 5, and the other end is fixed on the steel wire rope 3.
In this embodiment, the steel wire rope 3 can span 50m, so that the requirement of high-altitude operation on a horizontal plane can be completely met, the reduction of the construction speed due to frequent replacement of a suspension point is avoided, and the section of the steel wire rope 3 selected in this embodiment is directly 12 mm.
The number of the end fixing pieces 1 is two, and the two end fixing pieces 1 are respectively positioned at two ends of the steel wire rope 3.
Wherein, tip mounting 1 includes wall bolt 11 and with wall bolt 11 welded steel ring 12, 3 tip of wire rope wear to locate in steel ring 12, in order to wear to locate in steel ring 12 with wire rope 3, improve tensile strength simultaneously, buckle wire rope 3 and form pear ring 6 at the tip, wear to locate in steel ring 12 with pear ring 6 can.
In the existing construction process, a through-wall hole formed by pouring is reserved on the outer wall body, and the through-wall bolt 11 is connected with the outer wall body by using the through-wall hole.
Middle part mounting 2 is used for with wire rope 3 and outer wall fixed connection, prevent 3 overlengths of wire rope, during safety protection, the middle part is flagging. Wherein, middle part mounting 2 has two at least, and middle part mounting 2 is along 3 length direction evenly distributed of wire rope.
In the embodiment, a middle fixing piece 2 is arranged on a steel wire rope 3 every 600 mm; when the length of the last steel wire rope 3 is less than 1200mm, a middle fixing piece 2 is arranged in the middle of the steel wire rope 3. The distance between the adjacent middle fixing pieces 2 is not less than 6 times of the diameter of the steel wire rope 3.
Wherein, middle part mounting 2 includes U type pole 7 and slides and sets up fixed plate 8 on U type pole 7, and synthetic confined cavernous structure is enclosed to U type pole 7 and fixed plate 8, and wire rope 3 wears to locate between U type pole 7 and the fixed plate 8.
Specifically, the method comprises the following steps:
the U-shaped rod 7 is provided with an external thread, in particular the adjacent end part of the U-shaped rod 7 is provided with an external thread. Fixing plate 8 slides and sets up on U type pole 7, and the fixation nut of spiro union on U type pole 7 is established to fixing plate 8 below, wears to locate between U type pole 7 and fixing plate 8 with wire rope 3 as required, slides fixing plate 8 towards wire rope 3 afterwards, pastes fixed plate 8 and wire rope 3 tightly, and at last, utilizes fixation nut to fix fixing plate 8 on U type pole 7.
7 tip settings expansion bolts 9 of U type pole, fix U type pole 7 on outer wall body through expansion bolts 9, fixed mode is: and selecting a hole reserved in the outer wall construction process, putting the expansion bolt 9 on the U-shaped rod 7 into the hole, and screwing the nut on the expansion bolt 9.
The safety rope 4 is flexible, and the safety rope 4 is used for realizing the connection of the safety belt 5 and the steel wire rope 3. The safety hook is arranged at the upper end of the safety rope 4, and the lower end of the safety rope 4 is connected with the safety belt 5.
The safety hook in the embodiment can be conveniently operated, the safety hook does not need to be taken down from the steel wire rope 3 when passing through the middle fixing piece 2, the safety belt 5 is always kept connected with the steel wire rope 3 in the high-altitude operation process, and the safety of the high-altitude operation is effectively guaranteed.
Wherein, the safety hook comprises a hook body, and the hook body is provided with a connecting hook 13 and an auxiliary body fixed on the side part of the connecting hook 13.
The connecting hook 13 is in a circular ring shape, a vertical notch is formed in the side wall of the circular ring, the circular ring is matched with the notch to be hinged with a vertical pressing plate 14, and the pressing plate 14 is connected with the circular ring through a volute spiral spring 2315. The ring is provided with a positioning block positioned outside the notch, and the distance between the bottom end of the positioning block and the bottom surface of the notch is smaller than the length of the pressing plate 14. During the process of working at high altitude, a constructor pulls the press plate 14, so that the gap on the arc is exposed and can pass through the middle fixing piece 2.
The auxiliary body is used for guaranteeing that the safety hook has a connection point when passing through the middle fixing part 2, so that the safety of construction personnel is guaranteed.
The auxiliary body comprises an upper auxiliary block 16 and a lower auxiliary block 18, and the distance between the upper auxiliary block 16 and the lower auxiliary block 18 is 10-15 mm larger than the thickness of the middle fixing piece 2, so that the middle fixing piece 2 can pass through the middle fixing piece.
In addition, the lower surface of the upper auxiliary block 16 and the upper surface of the lower auxiliary block 18 are both provided with a claw 17 arranged along the length direction of the steel wire rope 3; the upper surface and the lower surface of the middle fixing part 2 are respectively matched with the claws 17 to be provided with clamping grooves 10. When the safety hook passes through the middle connector, the clamping claws 17 on the auxiliary blocks extend into the clamping grooves 10 to form connection points, so that accidents are greatly reduced.
In order to avoid the influence of actions such as turning of constructors on the safety hook during high-altitude operation, a connecting block 20 is arranged at the lower part of the hook body, a connecting rotating shaft 25 is rotatably arranged in the connecting block 20, and the connecting rotating shaft 25 is fixedly connected with the safety rope 4.
Specifically, the method comprises the following steps: the connecting block 20 comprises an upper connecting plate 19 and a lower connecting plate 21 which are horizontally arranged from top to bottom in sequence, the upper connecting plate 19 and the lower connecting plate 21 are both provided with through holes, and the connecting rotating shaft 25 is arranged in the through holes in a penetrating way; an upper clamping plate 22 and a lower clamping plate 24 are respectively arranged above the upper connecting plate 19 and the lower connecting plate 21, and the diameters of the upper clamping plate 22 and the lower clamping plate 24 are both larger than the aperture of the through hole; the upper clamping plate 22 and the lower clamping plate 24 are both welded with the connecting rotating shaft 25, and the safety rope 4 is fixedly connected with the connecting rotating shaft 25.
In order to avoid large rigid stretching in the falling process of high-altitude operation, a buffer spring 23 is arranged between the upper connecting plate 19 and the upper clamping plate 22; set up buffer spring 23 between lower connecting plate 21 and the lower cardboard 24 to the tenesmus phenomenon appears in the hypothesis, buffer spring 23 can be to between upper junction plate 19 and the last cardboard 22, have one section less buffering down between connecting plate 21 and the lower cardboard 24, avoid upper junction plate 19 and lower connecting plate 21 to receive great impact force, also guaranteed constructor's safety.
The working process is as follows: the steel wire rope 3 is fixed on the outer wall body through the end fixing piece 1 and the middle fixing piece 2, and meanwhile, the safety belt 5 is hung on the steel wire rope 3 through the safety hook. The constructor moves according to the construction requirement, the safety hook moves on the steel wire rope 3 along with the movement of the constructor, when the constructor moves to the middle fixing piece 2, the constructor needs to pull the pressing plate 14 on the notch to expose the notch, and the safety hook can pass through the notch and pass through the middle fixing piece 2 and simultaneously pass through the middle fixing piece 2; the clamping claws 17 on the upper auxiliary block 16 and the lower auxiliary block 18 are ensured to extend into the clamping grooves 10 to achieve temporary connection.
The high-altitude anti-falling system has low cost and high turnover, the safety hook is always connected with the steel wire rope 3, the connected empty window period is avoided, and the safety factor is high; in addition, the system has large span, does not need to be operated from time to time, can freely move between the two middle fixing pieces 2, and only needs to pull the pressing plate 14 through the middle fixing pieces, thereby improving the operation speed.
Claims (10)
1. High altitude construction anti-falling system, its characterized in that: comprises a steel wire rope, an end fixing piece, a middle fixing piece, a safety rope and a safety belt; the two end fixing pieces are respectively positioned at the two ends of the steel wire rope; the middle fixing piece is fixedly connected with the steel wire rope; the upper end of the safety rope is provided with a safety hook which is arranged on the steel wire rope, and the lower end of the safety rope is connected with the safety belt; the safety hook comprises a hook body, wherein a connecting hook and an auxiliary body fixed on the side part of the connecting hook are arranged on the hook body, the connecting hook is in a ring shape, a vertical gap is formed in the side wall of the ring, and the ring is hinged with a vertical pressing plate in a manner of matching with the gap; the auxiliary body includes last auxiliary block and the lower auxiliary block of interval setting, goes up the distance between auxiliary block and the lower auxiliary block and is greater than the thickness of middle part mounting 10~15 mm.
2. The aerial work fall arrest system according to claim 1 wherein: the pressure plate is connected with the circular ring through a volute spiral spring.
3. The aerial work fall arrest system according to claim 2 wherein: the lower surface of the upper auxiliary block and the upper surface of the lower auxiliary block are both provided with claws arranged along the length direction of the steel wire rope; the upper surface and the lower surface of the middle fixing piece are respectively matched with the clamping jaws to form clamping grooves.
4. The aerial work fall arrest system according to claim 3 wherein: the end fixing part comprises a wall bolt and a steel ring welded with the wall bolt, and the end part of the steel wire rope penetrates through the steel ring.
5. The aerial work fall arrest system according to claim 4 wherein: the middle part mounting has two at least, and middle part mounting is along wire rope length direction evenly distributed, and the middle part mounting includes U type pole and slides the fixed plate that sets up on the U type pole, and wire rope wears to locate between U type pole and the fixed plate.
6. The aerial work fall arrest system according to claim 5 wherein: the U-shaped rod is provided with external threads, and the end part of the U-shaped rod is connected with an expansion bolt.
7. The aerial work fall arrest system according to claim 6 wherein: the ring is provided with a positioning block positioned outside the notch, and the distance between the bottom end of the positioning block and the bottom surface of the notch is smaller than the length of the pressing plate.
8. The aerial work fall arrest system according to claim 6 wherein: the lower part of the hook body is provided with a connecting block, a connecting rotating shaft is arranged in the connecting block in a rotating way, and the connecting rotating shaft is fixedly connected with the safety rope.
9. The aerial work fall arrest system according to claim 8 wherein: the connecting block comprises an upper connecting plate and a lower connecting plate which are horizontally arranged from top to bottom in sequence, the upper connecting plate and the lower connecting plate are both provided with through holes, and the connecting rotating shaft penetrates through the through holes; an upper clamping plate and a lower clamping plate are respectively arranged above the upper connecting plate and the lower connecting plate, and the diameters of the upper clamping plate and the lower clamping plate are both larger than the aperture of the through hole; the upper clamping plate and the lower clamping plate are welded with the connecting rotating shaft.
10. The aerial work fall arrest system according to claim 9 wherein: a buffer spring is arranged between the upper connecting plate and the upper clamping plate; and a buffer spring is arranged between the lower connecting plate and the lower clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719916.3U CN212141204U (en) | 2020-05-06 | 2020-05-06 | Anti-falling system for aerial work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719916.3U CN212141204U (en) | 2020-05-06 | 2020-05-06 | Anti-falling system for aerial work |
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| Publication Number | Publication Date |
|---|---|
| CN212141204U true CN212141204U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020719916.3U Active CN212141204U (en) | 2020-05-06 | 2020-05-06 | Anti-falling system for aerial work |
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| CN (1) | CN212141204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173439A (en) * | 2023-03-19 | 2023-05-30 | 国网新疆电力有限公司哈密供电公司 | Anti-falling device for power transmission tower |
-
2020
- 2020-05-06 CN CN202020719916.3U patent/CN212141204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173439A (en) * | 2023-03-19 | 2023-05-30 | 国网新疆电力有限公司哈密供电公司 | Anti-falling device for power transmission tower |
| CN116173439B (en) * | 2023-03-19 | 2023-11-14 | 国网新疆电力有限公司哈密供电公司 | Anti-falling device for power transmission tower |
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