CN212789487U - Safety protection device for transverse operation of power transmission tower - Google Patents

Safety protection device for transverse operation of power transmission tower Download PDF

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Publication number
CN212789487U
CN212789487U CN202020569080.3U CN202020569080U CN212789487U CN 212789487 U CN212789487 U CN 212789487U CN 202020569080 U CN202020569080 U CN 202020569080U CN 212789487 U CN212789487 U CN 212789487U
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China
Prior art keywords
connecting rod
safety
clamp
power transmission
transmission tower
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CN202020569080.3U
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Chinese (zh)
Inventor
杨佳睿
吴建宁
拜建仁
单夫军
郑仟
谢贵文
汪希增
莫如军
陈炜
于晓清
高海鹏
邹伟华
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State Grid Ningxia Electric Power Co Ltd
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State Grid Ningxia Electric Power Co Ltd
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Abstract

The utility model discloses a safety arrangement for horizontal operation of steel pylons, include: the safety rope safety device comprises a retractable safety catch used for being hung on the transmission tower and a plurality of safety rope clamps used for being installed on a cross arm of the transmission tower at intervals; a safety rope which can extend out of or retract into the body is arranged in the body of the retractable falling protector; the safety line clamp includes: the safety rope clamp comprises a support rod and a clamp part, wherein the clamp part is connected with one end of the support rod, the safety rope can be sequentially wound into the clamp parts of the safety rope clamp, when the safety rope clamp is installed on the cross arm, the plane where the clamp part is located is parallel to the ground, and the clamp part is a herringbone clamp part or a spiral clamp part. When carrying out horizontal operation on steel pylons the utility model discloses can provide safety protection to the operation personnel, effectively solve and weigh down the too big and fall the too big problem of range of falling and inclining, avoid secondary injuries such as striking, touch line.

Description

Safety protection device for transverse operation of power transmission tower
Technical Field
The utility model relates to a horizontal safe operation technical field of steel pylons especially relates to a safety arrangement for horizontal operation of steel pylons.
Background
In the electric power transmission maintenance industry, technicians need to frequently go to a tower to carry out maintenance and repair operations on a power transmission line, and in recent years, along with the development of related technologies, anti-falling protection devices and measures are sequentially installed on some newly-built power transmission lines. However, due to the problems in many aspects such as the construction age, technical level, voltage grade and construction fund of the transmission line, a considerable number of transmission lines and transmission towers lack necessary safety protection facilities, and even if the transmission lines are provided with anti-falling protection devices, a lot of protection measures are not comprehensive enough, wherein the transverse operation of the cross arm position of the tower is one of the more prominent problems
At present, to the transmission tower who lacks horizontal operation protection, need preset the protection point during the operation, beat the safety belt, horizontal operation again, because the protection point is immovable, in case take place to fall, the operation personnel will use the safety protection point to do the pendulum motion as the center, horizontal operation distance is longer, it is farther away from the safety protection point, the height of falling also just is big more, it is also big more to fall swing distance and swing amplitude, secondary damage such as tower, contact wire take place to hit very easily at the wobbling in-process, can cause transmission line's operation safety even in serious time. And the cross arm for laying the transverse anti-falling rail is often confronted with potential secondary disasters of tripping of the power transmission line caused by corrosion, loosening and falling of the anti-falling rail.
Therefore, a simple and effective safety protection device is urgently needed in the transmission line transportation and inspection industry aiming at the transverse operation of the iron tower.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a safety arrangement for horizontal operation of steel pylons to the solution is to the horizontal operation of iron tower, and prior art lacks a simple effectual safety arrangement's problem.
The embodiment of the utility model provides a concrete scheme as follows:
a safety arrangement for horizontal operation of a power transmission tower, comprising: the safety rope safety device comprises a retractable safety catch used for being hung on the transmission tower and a plurality of safety rope clamps used for being installed on a cross arm of the transmission tower at intervals; a safety rope which can extend out of or retract into the body is arranged in the body of the retractable falling protector; the safety line clamp includes: the safety rope clamp comprises a support rod and a clamp part, wherein the clamp part is connected with one end of the support rod, the safety rope can be sequentially wound into the clamp parts of the safety rope clamp, when the safety rope clamp is installed on the cross arm, the plane where the clamp part is located is parallel to the ground, and the clamp part is a herringbone clamp part or a spiral clamp part.
Further, the chevron clamp portion includes: the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the first connecting rod the second connecting rod with the third connecting rod is parallel to each other, the first connecting rod the second connecting rod with the one end of third connecting rod respectively with a surface of fourth connecting rod is connected, the one end of bracing piece with another surface of fourth connecting rod is connected, a surface and another surface of fourth connecting rod are relative two surfaces.
Further: the safety rope can cross and bypass the first connecting rod, the second connecting rod and the third connecting rod in sequence.
Further: orientation of first connecting rod a side of second connecting rod is provided with first crotch, orientation respectively of second connecting rod the first connecting rod with the both sides face of third connecting rod all is provided with the second crotch, orientation of third connecting rod a side of second connecting rod is provided with the third crotch, first crotch the second crotch with the third crotch orientation the fourth connecting rod is crooked.
Further: the safety rope can cross in proper order and walk around the first connecting rod first crotch, one the second crotch the second connecting rod, another the second crotch the third crotch with the third connecting rod.
Further: one end of the spiral clamp part is connected with one end of the supporting rod, and the other end of the spiral clamp part rotates for a circle to form a spiral structure.
Further: the safety line may be threaded into the helix from the opening of the helix.
Further: the surface of the supporting rod is provided with threads, the other end of the supporting rod can penetrate through the mounting surface of the cross arm, and the two locking nuts are sleeved on the supporting rod and are respectively positioned on two sides of the mounting surface of the cross arm to fix the supporting rod.
Further, the retractable safety hook comprises: the safety belt hanging ring comprises a mounting hanging ring used for being hung on the power transmission iron tower and a safety belt hanging ring used for being detachably connected with a safety belt of an operator, wherein the mounting hanging ring and the safety belt hanging ring are respectively connected to two opposite surfaces of the body.
The utility model discloses a safety arrangement for horizontal operation of steel pylons can provide safety protection to the operation personnel when carrying out horizontal operation on steel pylons, effectively solves the too big problem of falling the altitude difference and falling the range of inclining and swaying too big, avoids secondary injuries such as striking, touch line, this safety arrangement simple structure, light in weight, easily carry, easy implementation, can dismantle used repeatedly, reduces the repeatability investment, and purchasing cost is extremely low, is convenient for popularize and apply on a large scale.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a retractable safety hook of a safety protection device for transverse operation of a power transmission tower according to an embodiment of the present invention;
fig. 2 is a top view of the safety rope clamp of the safety protection device for the transverse operation of the power transmission tower according to the preferred embodiment of the present invention mounted on the cross arm;
fig. 3 is a top view of a safety line clamp of a safety protection device for the transverse operation of a power transmission tower according to another preferred embodiment of the present invention, which is mounted on a cross arm;
fig. 4 is a plan view of a safety line clamp of a safety protection device for the transverse operation of a power transmission tower according to another preferred embodiment of the present invention mounted on a cross arm;
fig. 5 is a schematic view of the installation position of the safety protection device for horizontal operation of the power transmission tower according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a safety arrangement for horizontal operation of steel pylons. Specifically, as shown in fig. 1 to 5, the safety protection device includes: the safety rope safety device comprises a retractable safety catch 1 used for being hung on a power transmission iron tower and a plurality of safety rope clamps used for being installed on a cross arm 7 of the power transmission iron tower at intervals. Specifically, when in use, the retractable falling protector 1 can be hung on a tower body 6 of a power transmission iron tower and also can be hung on a cross arm 7. In a preferred embodiment of the invention, the distance between two adjacent safety line clamps mounted on the cross arm 7 of the pylon is about 2 m. The retractable safety brake 1 can be of the type that is commercially available. The retractable falling protector 1 is detachably connected with a safety belt tied on the body of an operator. The retractable safety catch 1 has a safety rope (not shown in the figures) inside the body 101, which can extend out of or retract into the body 101. The retraction of the safety rope can be realized through a spring mechanism. During operation, the safety rope can be dragged by an operator to extend out of the body 101; when the operation is finished and the operation returns, the safety rope can be automatically retracted into the body 101; when falling, the retractable falling protector 1 can lock the safety rope at once. The length of safety rope is 3 ~ 25m, can select suitable length according to specific demand. The retractable safety hook 1 can effectively control the use length and the falling distance of the safety rope. Specifically, retractable safety hook 1 includes: a mounting suspension loop 102 for hanging on a power transmission tower and a safety belt suspension loop 103 for detachably connecting with a safety belt of an operator. The mounting eye 102 and the seat belt eye 103 are attached to opposite surfaces of the body 101, respectively. The seat belt loop 103 may be in the form of an openable spring switch so that the spring switch may be opened to allow the seat belt loop 103 to be covered with the seat belt loop, and then the spring switch may be closed to prevent the seat belt loop 103 from slipping.
Safety line anchor clamps include: a support bar 2 and a clamp portion. The clamp part is connected with one end of the support rod 2. The safety line may be sequentially wound into the clamp portions of a plurality of safety line clamps. When the safety line clamp is mounted on the cross arm 7, the plane in which the clamp portions lie is parallel to the ground. The safety rope clamp is a metal structural part capable of bearing certain impact force. The support bar 2 is used for connecting with the profile of the cross arm 7. Specifically, the clamp portion is a chevron-shaped clamp portion 3 or a screw-shaped clamp portion 4.
Because the safety rope twines into a plurality of safety rope anchor clamps, consequently, when the emergence is fallen, a plurality of safety rope anchor clamps can provide reliable safe hanging point for the safety rope of retractable safety hook 1, cut apart into a plurality of segments with the length of safety rope simultaneously to reduced the height difference that falls when the accident takes place, reduced the range of heeling after falling, avoided the secondary damage.
As shown in fig. 2, in a preferred embodiment of the present invention, the chevron fixture portion 3 includes: a first connecting rod 301, a second connecting rod 302, a third connecting rod 303 and a fourth connecting rod 304. The first connecting bar 301, the second connecting bar 302 and the third connecting bar 303 are parallel to each other. Preferably, the first connecting rod 301 and the third connecting rod 303 are symmetrical with respect to the second connecting rod 302. One ends of the first connecting rod 301, the second connecting rod 302 and the third connecting rod 303 are connected to one surface of the fourth connecting rod 304, respectively. One end of the support rod 2 is connected to the other surface of the fourth connecting rod 304. One surface and the other surface of the fourth connecting bar 304 are opposite surfaces.
Through the above structural design, in use, the safety rope can cross and bypass the first connecting rod 301, the second connecting rod 302 and the third connecting rod 303 in sequence for each of the chevron-shaped clamp portions 3, so that when falling occurs, the chevron-shaped clamp portions 3 support the safety rope. Specifically, the safety rope passes around the first connecting rod 301 from the upper surface (or lower surface) of the first connecting rod 301, enters the opening between the first connecting rod 301 and the second connecting rod 302, then passes around the second connecting rod 302 from the lower surface (or upper surface) of the second connecting rod 302, enters the opening between the second connecting rod 302 and the third connecting rod 303, and finally passes around the third connecting rod 303 from the upper surface (or lower surface) of the third connecting rod 303, extends to the next chevron-shaped clamp portion 3, and passes around the next chevron-shaped clamp portion 3.
In another preferred embodiment of the present invention, as shown in fig. 3, a side of the first connecting rod 301 facing the second connecting rod 302 is provided with a first hook 305. Both side surfaces of the second connecting rod 302 facing the first connecting rod 301 and the third connecting rod 303, respectively, are provided with second hooks 306. A side of the third connecting bar 303 facing the second connecting bar 302 is provided with a third hook 307. The first hook 305, the second hook 306, and the third hook 307 are bent toward the fourth connecting bar 304.
With the above-mentioned structural design, in use, the safety rope can cross and bypass the first connecting rod 301, the first hook 305, the second hook 306, the second connecting rod 302, the other second hook 306, the third hook 307 and the third connecting rod 303 in sequence for each of the chevron-shaped clamp portions 3, so that the chevron-shaped clamp portions 3 support the safety rope when falling occurs. Specifically, the safety line passes around the first link 301 from the upper surface (or lower surface) of the first link 301, enters the opening between the first link 301 and the second link 302, and enters the first hook 305 from the opening of the first hook 305, passes around the lower surface (or upper surface) of the first hook 305 and the lower surface (or upper surface) of a second hook 306 opposite to the first hook 305, enters the second hook 306 from the opening of the second hook 306, then passes around the second link 302 from the upper surface (or lower surface) of the second link 302, enters the opening between the second link 302 and the third link 303, and enters the second hook 306 from the opening of another second hook 306, passes around the lower surface (or upper surface) of the second hook 306 and the lower surface (or upper surface) of the third hook 307, enters the third hook 307 from the opening of the third hook 307, and finally, the third connecting rod 303 is wound from the upper surface (or the lower surface) of the third connecting rod 303, extended to the next chevron-shaped clamp portion 3, and wound into the next chevron-shaped clamp portion 3. Because the first hook 305, the second hook 306 and the third hook 307 limit the safety rope, and the opening directions of the first hook 305, the second hook 306 and the third hook 307 are opposite to the opening direction of the chevron-shaped clamp part 3, the safety rope can be further prevented from slipping off from the opening of the chevron-shaped clamp part 3, and the safety is improved.
As shown in fig. 4, in another preferred embodiment of the present invention, one end of the screw type clamping part 4 is connected to one end of the support rod 2. The other end of the screw type clamp part 4 is rotated once to form a screw structure. The screw clamp portion 4 can be formed by machining round steel of 16mm or more.
Through the above structural design, in use, the safety rope can be wound into the spiral structure from the opening of the spiral structure for each spiral clamp portion 4, so that the spiral clamp portion 4 supports the safety rope when falling occurs.
Specifically, the surface of the support rod 2 has threads. The other end of the support bar 2 can pass through the mounting surface of the cross arm 7. For example, the mounting surface is an angle steel. Two locking nuts 5 are sleeved on the support rod 2 and are respectively positioned on two sides of the mounting surface of the cross arm 7. It will be appreciated that the inner surface of the locking nut 5 has a thread matching the thread of the support bar 2. The support bar 2 is fixed by tightening the two locking nuts 5.
The use method of the safety protection device for the transverse operation of the power transmission iron tower comprises the following steps:
the safety rope clamp is pre-installed at the position of the cross arm 7 of the power transmission tower (the position of a solid line circle shown in fig. 5), the installation height is preferably near the waist height of an operator, the plane of the clamp part is parallel to the ground, and the installation interval is not more than 2 meters.
Before operation, the retractable safety catch 1 is firstly hung on a tower body 6 of a power transmission tower safely (the retractable safety catch 1 can also be fixed at a cross arm 10 permanently), as shown in a position of a dotted circle shown in fig. 5 (the height of a hanging point of the retractable safety catch 1 can be generally the same as or close to the height of a mounting surface where a safety rope clamp is located), a safety rope hook 103 of the retractable safety catch 1 is connected with a safety belt of an operator, and then the operator moves along the cross arm 7 for operation. When passing through the safety rope clamp, the safety rope is wound to the inside of the E-shaped clamp part 3 or the spiral clamp part 4 along the opening position of the E-shaped clamp part 3 or the spiral clamp part 4, then continuously moves to the next safety rope clamp, and the operation is repeated; until it is moved to the working position.
When the safety rope returns, the safety rope reversely winds the clamp part 3 in the shape of a Chinese character 'shan' or the spiral clamp part 4 through the clamp of the safety rope.
To sum up, the utility model discloses a safety arrangement for horizontal operation of steel pylons can provide safety protection to the operation personnel when carrying out horizontal operation on steel pylons, effectively solves the too big and too big problem of falling the range of falling and inclining to sway of falling height difference, avoids secondary injuries such as striking, antenna, this safety arrangement simple structure, light in weight, easily carry, easy implementation, can dismantle used repeatedly, reduces the repeatability investment, and purchasing cost is extremely low, is convenient for popularize and apply on a large scale.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A safety arrangement for horizontal operation of a power transmission tower, comprising: the safety rope safety device comprises a retractable safety catch used for being hung on the transmission tower and a plurality of safety rope clamps used for being installed on a cross arm of the transmission tower at intervals; a safety rope which can extend out of or retract into the body is arranged in the body of the retractable falling protector;
the safety line clamp includes: the safety rope clamp comprises a support rod and a clamp part, wherein the clamp part is connected with one end of the support rod, the safety rope can be sequentially wound into the clamp parts of the safety rope clamp, when the safety rope clamp is installed on the cross arm, the plane where the clamp part is located is parallel to the ground, and the clamp part is a herringbone clamp part or a spiral clamp part.
2. The safety device for the transverse operation of a power transmission tower according to claim 1, wherein the chevron-shaped clamp portion comprises: the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the first connecting rod the second connecting rod with the third connecting rod is parallel to each other, the first connecting rod the second connecting rod with the one end of third connecting rod respectively with a surface of fourth connecting rod is connected, the one end of bracing piece with another surface of fourth connecting rod is connected, a surface and another surface of fourth connecting rod are relative two surfaces.
3. The safety protection device for the transverse operation of the power transmission tower according to claim 2, wherein: the safety rope can cross and bypass the first connecting rod, the second connecting rod and the third connecting rod in sequence.
4. The safety protection device for the transverse operation of the power transmission tower according to claim 2, wherein: orientation of first connecting rod a side of second connecting rod is provided with first crotch, orientation respectively of second connecting rod the first connecting rod with the both sides face of third connecting rod all is provided with the second crotch, orientation of third connecting rod a side of second connecting rod is provided with the third crotch, first crotch the second crotch with the third crotch orientation the fourth connecting rod is crooked.
5. The safety protection device for the transverse operation of the power transmission tower as claimed in claim 4, wherein: the safety rope can cross in proper order and walk around the first connecting rod first crotch, one the second crotch the second connecting rod, another the second crotch the third crotch with the third connecting rod.
6. The safety protection device for the transverse operation of the power transmission tower according to claim 1, wherein: one end of the spiral clamp part is connected with one end of the supporting rod, and the other end of the spiral clamp part rotates for a circle to form a spiral structure.
7. The safety protection device for the transverse operation of the power transmission tower as claimed in claim 6, wherein: the safety line may be threaded into the helix from the opening of the helix.
8. The safety protection device for the transverse operation of the power transmission tower according to claim 1, wherein: the surface of the supporting rod is provided with threads, the other end of the supporting rod can penetrate through the mounting surface of the cross arm, and the two locking nuts are sleeved on the supporting rod and are respectively positioned on two sides of the mounting surface of the cross arm to fix the supporting rod.
9. The safety protection device for the transverse operation of the power transmission tower as claimed in claim 1, wherein the retractable safety catch comprises: the safety belt hanging ring comprises a mounting hanging ring used for being hung on the power transmission iron tower and a safety belt hanging ring used for being detachably connected with a safety belt of an operator, wherein the mounting hanging ring and the safety belt hanging ring are respectively connected to two opposite surfaces of the body.
CN202020569080.3U 2020-04-16 2020-04-16 Safety protection device for transverse operation of power transmission tower Active CN212789487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020569080.3U CN212789487U (en) 2020-04-16 2020-04-16 Safety protection device for transverse operation of power transmission tower

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Application Number Priority Date Filing Date Title
CN202020569080.3U CN212789487U (en) 2020-04-16 2020-04-16 Safety protection device for transverse operation of power transmission tower

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CN212789487U true CN212789487U (en) 2021-03-26

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CN202020569080.3U Active CN212789487U (en) 2020-04-16 2020-04-16 Safety protection device for transverse operation of power transmission tower

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115317827A (en) * 2022-07-15 2022-11-11 北京国网富达科技发展有限责任公司 Trackless tower-climbing safety protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115317827A (en) * 2022-07-15 2022-11-11 北京国网富达科技发展有限责任公司 Trackless tower-climbing safety protection device

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