CN216091945U - Anti-falling protection device for vertical shaft of cable tunnel - Google Patents

Anti-falling protection device for vertical shaft of cable tunnel Download PDF

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Publication number
CN216091945U
CN216091945U CN202121920601.6U CN202121920601U CN216091945U CN 216091945 U CN216091945 U CN 216091945U CN 202121920601 U CN202121920601 U CN 202121920601U CN 216091945 U CN216091945 U CN 216091945U
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CN
China
Prior art keywords
fixing support
wire rope
cable tunnel
falling
steel wire
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Active
Application number
CN202121920601.6U
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Chinese (zh)
Inventor
赵柏桥
李汶江
熊刚
刘军
李昆晟
周于杰
余昕垚
乔运松
姚伟
李政泽
王东
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Super High Voltage Branch Of State Grid Chongqing Electric Power Co
State Grid Corp of China SGCC
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Chongqing Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Maintenance Branch of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202121920601.6U priority Critical patent/CN216091945U/en
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Publication of CN216091945U publication Critical patent/CN216091945U/en
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Abstract

The utility model discloses a cable tunnel shaft anti-falling protection device which comprises an upper fixing support, a lower fixing support and a steel wire rope connected between the upper fixing support and the lower fixing support; the steel wire rope is provided with a falling protector matched with the steel wire rope and a safety belt connected with the falling protector; the upper fixing support is fixed at the top of the ladder stand, and the lower fixing support is arranged below the upper fixing support. When the cable tunnel shaft is deep up and down, an operator connects the other end of a safety belt tied on the operator with the falling protector, the falling protector can slide up and down along the steel wire rope along with the up-and-down movement of the operator, once falling occurs, a locking mechanism of the falling protector is locked immediately, the falling protector stops sliding down, the sliding distance of the falling protector is small, and the falling risk of the operator when the cable tunnel shaft is up and down can be avoided; in addition, the device does not need hand assistance in the process of moving up and down, and the operation personnel can adapt by slightly matching.

Description

Anti-falling protection device for vertical shaft of cable tunnel
Technical Field
The utility model relates to a cable tunnel shaft anti-falling protection device.
Background
Due to the limitation of topography, cable channels in Chongqing city are very complex, and show the trends of local density, steep tunnel deep slope and multi-bend and multi-well. According to the data general survey in earlier stage, Chongqing company high tension cable tunnel has a large amount of deep shaft, and the shaft that exceeds more than 10 meters is nearly 100, and 20-30 meters shaft ubiquitous, at present most cable tunnel shaft do not take any safeguard measure, and the staff has the risk of falling when going up and down deep shaft, and few part shaft adopt set up the stair or set up mode such as cage, platform in the cat ladder shaft and reduce the risk of falling, but some shaft spaces are little, and the protection facility of preventing falling is inconvenient to set up.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cable tunnel shaft anti-falling protection device, which solves the problem of falling risk when a worker goes up and down a cable tunnel shaft at present.
In order to solve the technical problem, the utility model provides a cable tunnel shaft anti-falling protection device which comprises an upper fixing support, a lower fixing support and a steel wire rope connected between the upper fixing support and the lower fixing support; the steel wire rope is provided with a falling protector matched with the steel wire rope and a safety belt connected with the falling protector; the upper fixing support is fixed at the top of the ladder stand, and the lower fixing support is arranged below the upper fixing support.
Further, the steel wire rope is connected with the lower fixing support through a wire grip.
Further, the lower fixing bracket includes a first tripod; the first tripod comprises a first horizontal part, a first vertical part and a first inclined supporting part; the first vertical part is detachably connected with the ladder stand, and the steel wire rope is connected with the first horizontal part; one end of the first horizontal part is fixedly connected with the upper end part of the first vertical part, and the other end of the first horizontal part extends to one end far away from the ladder stand; one end of the first inclined supporting part is connected with one end of the first horizontal part, which is far away from the first vertical part, and the other end of the first inclined supporting part is connected with the middle-lower part of the first vertical part.
Further, the first vertical part of the first tripod is fixed on the ladder stand through two first fasteners, and one end of the first inclined supporting part of the first tripod, which is connected with the first vertical part, is connected between the two first fasteners.
Further, be equipped with first pull ring on the first horizontal part, wire rope's bottom is equipped with the second pull ring, the turn-buckle is connected between first pull ring and the second pull ring.
Further, the upper fixing bracket includes a second tripod; the second tripod comprises a second horizontal part, a second vertical part and a second inclined supporting part; the second vertical part is detachably connected with the ladder stand, and the steel wire rope is connected with the second horizontal part; one end of the second horizontal part is fixedly connected with the lower end part of the first vertical part, and the other end of the second horizontal part extends to one end far away from the ladder stand; one end of the second inclined supporting part is connected with one end, far away from the second vertical part, of the second horizontal part, and the other end of the second inclined supporting part is connected with the top of the second vertical part.
Furthermore, a third pull ring is fixed on the second horizontal part, and the top end of the steel wire is connected with the third pull ring.
Furthermore, the upper fixing support further comprises an extension rod, one end of the extension rod is connected with the upper portion of the ladder stand, and the other end of the extension rod extends upwards to be connected with the second vertical portion of the second tripod.
Further, the extension rod is integrally formed with the second vertical portion.
Further, the one end of the extension pole is fixed to the ladder by at least two second fasteners.
The utility model has the beneficial effects that: when the cable tunnel shaft is deep up and down, an operator connects the other end of a safety belt tied on the operator with the falling protector, the falling protector can slide up and down along the steel wire rope along with the up-and-down movement of the operator, once falling occurs, a locking mechanism of the falling protector is locked immediately, the falling protector stops sliding down, the sliding distance of the falling protector is small, and the falling risk of the operator when the cable tunnel shaft is up and down can be avoided; in addition, the anti-falling device is simple to use, when the tightening mechanism clamps the steel wire rope, the anti-falling device is pushed upwards to restore up-and-down sliding, the up-and-down moving process does not need hand assistance, and the operation personnel can adapt to the situation by slightly matching.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1. climbing a ladder; 2. a lower fixed bracket; 21. a first horizontal portion; 22. a first vertical portion; 23. a first inclined support portion; 24. a first fastener; 3. a first pull ring; 4. a wire grip; 5. a wire rope; 6. a safety catch; 7. an upper fixing bracket; 71. an extension pole; 72. a second fastener; 8. and a third pull ring.
Detailed Description
The cable tunnel shaft anti-falling protection device shown in fig. 1 comprises an upper fixing support 7, a lower fixing support 2 and a steel wire rope 5 connected between the upper fixing support 7 and the lower fixing support 2; the steel wire rope 5 is provided with a falling protector 6 matched with the steel wire rope 5 and a safety belt connected with a safety rope of the falling protector 6; the upper fixing support 7 is fixed at the top of the ladder stand 1, and the lower fixing support 2 is arranged below the upper fixing support 7. When the cable tunnel vertical shaft goes up and down, an operator connects the other end of a safety belt tied on the operator with the falling protector 6, the falling protector 6 can move up and down along the steel wire rope 5 along with the up and down movement of the operator, once falling occurs, a locking mechanism of the falling protector 6 is instantly locked, the falling protector 6 stops sliding, the pulling-out distance of the safety rope of the falling protector 6 is not more than 0.2 meter, the impact force is less than 2949N, and the falling risk of the operator when going up and down the cable tunnel vertical shaft can be avoided; in addition, the falling protector 6 is simple to use, when the tightening mechanism clamps the steel wire rope 5, the falling protector 6 is pushed upwards to restore up-and-down sliding, the up-and-down moving process does not need hand assistance, and an operator can adapt to the situation by slightly matching.
The following describes each component in detail:
according to an embodiment of the present application, the wire rope 5 is connected with the lower fixing bracket 2 through a wire grip 4. Through setting up turn-buckle 4, adjustable wire rope 5's elasticity degree makes wire rope 5 be in suitable state to guarantee that the device can the safe and reliable operation.
According to one embodiment of the present application, the lower stationary bracket 2 comprises a first tripod; the first tripod includes a first horizontal part 21, a first vertical part 22, and a first inclined support 23; the first vertical part 22 is detachably connected with the ladder stand 1, and the steel wire rope 5 is connected with the first horizontal part 21; one end of the first horizontal part 21 is fixedly connected with the upper end part of the first vertical part 22, and the other end of the first horizontal part 21 extends to one end far away from the ladder stand 1; one end of the first inclined supporting portion 23 is connected to one end of the first horizontal portion 21 away from the first vertical portion 22, and the other end of the first inclined supporting portion 23 is connected to a middle lower portion of the first vertical portion 22. Install wire rope 5's bottom in the upper end of cat ladder 1 through the first tripod of being connected with cat ladder 1 is detachable, can be convenient for dismantle or change at any time to the joint strength of tripod is high, and stability is good, can guarantee that the device can the safe and reliable ground operation.
According to one embodiment of the application said first vertical part 22 of the first tripod is fixed to the ladder 1 by means of two first fastening members 24 and the end of said first tilting support 23 of the first tripod to which the first vertical part 22 is connected between the two first fastening members 24. Fix the tripod on cat ladder 1 through two first retaining members, can prevent that first tripod from taking place rotatoryly in the use to guarantee the stability of first tripod.
According to an embodiment of the present application, a first pull ring 3 is disposed on the first horizontal portion 21, a second pull ring is disposed at the bottom end of the steel wire rope 5, and the wire tightener 4 is connected between the first pull ring 3 and the second pull ring. Through setting up the snap ring, make wire rope 5 and turn-buckle 4 be connected with the pull ring, the staff operation of can being convenient for.
According to one embodiment of the present application, the upper fixed bracket 7 comprises a second tripod; the second tripod comprises a second horizontal part, a second vertical part and a second inclined supporting part; the second vertical part is detachably connected with the ladder stand 1, and the steel wire rope 5 is connected with the second horizontal part; one end of the second horizontal part is fixedly connected with the lower end part of the first vertical part 22, and the other end of the second horizontal part extends to one end far away from the ladder stand 1; one end of the second inclined supporting part is connected with one end, far away from the second vertical part, of the second horizontal part, and the other end of the second inclined supporting part is connected with the top of the second vertical part. Install wire rope 5's bottom in the upper end of cat ladder 1 through the second tripod with the detachable connection of cat ladder 1, can be convenient for dismantle or change at any time to the joint strength of tripod is high, and stability is good, can guarantee that the device can the safe and reliable ground operation.
According to an embodiment of the present application, a third pull ring 8 is fixed to the second horizontal portion, and the top end of the steel wire is connected to the third pull ring 8. Through setting up third pull ring 8, can make the steel wire be connected with third pull ring 8, can be convenient for the staff installation.
According to an embodiment of the present application, the upper fixing bracket 7 further comprises an extension bar 71, one end of the extension bar 71 is connected with the upper part of the ladder stand 1, and the other end extends upward to be connected with the second vertical part of the second tripod.
According to one embodiment of the present application, the extension rod 71 is integrally formed with the second vertical. The extension rod 71 and the second tripod are integrally formed, so that the strength is high and the stability is good.
According to one embodiment of the application said one end of the extension rod 71 is fixed to the ladder 1 by means of at least two second fasteners 72. The extension rod 71 is fixed on the ladder stand 1 through two second locking pieces, so that the extension rod 71 can be prevented from rotating during use, and the stability of the extension rod 71 can be ensured.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (10)

1. The anti-falling protection device for the cable tunnel shaft is characterized by comprising an upper fixing support, a lower fixing support and a steel wire rope connected between the upper fixing support and the lower fixing support; the steel wire rope is provided with a falling protector matched with the steel wire rope and a safety belt connected with the falling protector; the upper fixing support is fixed at the top of the ladder stand, and the lower fixing support is arranged below the upper fixing support.
2. The cable tunnel shaft fall protection device of claim 1, wherein the wire rope is connected to the lower fixing bracket through a wire grip.
3. The cable tunnel shaft fall protection device of claim 2, wherein the lower fixed bracket comprises a first tripod; the first tripod comprises a first horizontal part, a first vertical part and a first inclined supporting part; the first vertical part is detachably connected with the ladder stand, and the steel wire rope is connected with the first horizontal part; one end of the first horizontal part is fixedly connected with the upper end part of the first vertical part, and the other end of the first horizontal part extends to one end far away from the ladder stand; one end of the first inclined supporting part is connected with one end of the first horizontal part, which is far away from the first vertical part, and the other end of the first inclined supporting part is connected with the middle-lower part of the first vertical part.
4. The cable tunnel shaft fall protection device of claim 3, wherein the first vertical part of the first tripod is fixed to the ladder by two first fastening members, and one end of the first inclined support part of the first tripod connected to the first vertical part is connected between the two first fastening members.
5. The cable tunnel shaft anti-falling protection device as claimed in claim 3 or 4, wherein the first horizontal part is provided with a first pull ring, the bottom end of the steel wire rope is provided with a second pull ring, and the tightener is connected between the first pull ring and the second pull ring.
6. The cable tunnel shaft fall protection device of claim 3, wherein the upper fixed bracket comprises a second tripod; the second tripod comprises a second horizontal part, a second vertical part and a second inclined supporting part; the second vertical part is detachably connected with the ladder stand, and the steel wire rope is connected with the second horizontal part; one end of the second horizontal part is fixedly connected with the lower end part of the first vertical part, and the other end of the second horizontal part extends to one end far away from the ladder stand; one end of the second inclined supporting part is connected with one end, far away from the second vertical part, of the second horizontal part, and the other end of the second inclined supporting part is connected with the top of the second vertical part.
7. The cable tunnel shaft anti-falling protection device as claimed in claim 6, wherein a third pull ring is fixed on the second horizontal part, and the top end of the steel wire is connected with the third pull ring.
8. The cable tunnel shaft fall protection device of claim 6 or 7, wherein the upper fixing bracket further comprises an extension rod, one end of which is connected with the upper part of the ladder stand, and the other end of which extends upward to be connected with the second vertical part of the second tripod.
9. The cable tunnel shaft fall protection device of claim 8, wherein the extension pole is integrally formed with the second vertical.
10. The cable tunnel shaft fall protection device of claim 8, wherein said one end of the extension rod is fixed to the ladder by at least two second fasteners.
CN202121920601.6U 2021-08-16 2021-08-16 Anti-falling protection device for vertical shaft of cable tunnel Active CN216091945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121920601.6U CN216091945U (en) 2021-08-16 2021-08-16 Anti-falling protection device for vertical shaft of cable tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121920601.6U CN216091945U (en) 2021-08-16 2021-08-16 Anti-falling protection device for vertical shaft of cable tunnel

Publications (1)

Publication Number Publication Date
CN216091945U true CN216091945U (en) 2022-03-22

Family

ID=80726381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121920601.6U Active CN216091945U (en) 2021-08-16 2021-08-16 Anti-falling protection device for vertical shaft of cable tunnel

Country Status (1)

Country Link
CN (1) CN216091945U (en)

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GR01 Patent grant
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CP01 Change in the name or title of a patent holder

Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District

Patentee after: STATE GRID CORPORATION OF CHINA

Patentee after: Super high voltage branch of State Grid Chongqing Electric Power Company

Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District

Patentee before: STATE GRID CORPORATION OF CHINA

Patentee before: State Grid Chongqing Electric Power Company maintenance branch

CP01 Change in the name or title of a patent holder