CN216774076U - Electrified mounting system of 10 kilovolt distribution lines post switch - Google Patents
Electrified mounting system of 10 kilovolt distribution lines post switch Download PDFInfo
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- CN216774076U CN216774076U CN202220085986.7U CN202220085986U CN216774076U CN 216774076 U CN216774076 U CN 216774076U CN 202220085986 U CN202220085986 U CN 202220085986U CN 216774076 U CN216774076 U CN 216774076U
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Abstract
本实用新型公开了一种10千伏配电线路柱上开关的带电安装系统，所述安装系统包括：绝缘隔离挡板，所述绝缘隔离挡板安装于杆塔最下层横担的下方；安装在杆塔上所述绝缘隔离挡板下方的支撑吊架以及第一定滑轮和第二定滑轮，所述第一定滑轮和第二定滑轮分别安装于支撑吊架的前端和靠近杆塔的后端；在所述第二定滑轮的正下方还设置有地脚滑轮；所述安装系统还包括连接在柱上开关上的千斤绳以及连接在所述千斤绳上的动滑轮；还包括吊绳，所述吊绳的一端固定连接在所述支撑吊架的前端，另一端依次穿过所述动滑轮、第一定滑轮、第二定滑轮以及地脚滑轮，采用本系统安装或更换柱上开关时无需停电。
The utility model discloses a live installation system of a switch on a 10 kilovolt distribution line column. The installation system comprises: an insulating isolation baffle, which is installed under the lowermost cross arm of a pole tower; The support hanger, the first fixed pulley and the second fixed pulley under the insulating isolation baffle on the pole tower, the first fixed pulley and the second fixed pulley are respectively installed at the front end of the support hanger and the rear end close to the pole tower; An anchor pulley is also provided directly below the second fixed pulley; the installation system further includes a jack rope connected to the switch on the column and a movable pulley connected to the jack rope; it also includes a hanging rope, the One end of the suspending rope is fixedly connected to the front end of the support hanger, and the other end passes through the movable pulley, the first fixed pulley, the second fixed pulley and the anchor pulley in turn. No power failure is required when installing or replacing the switch on the column with this system. .
Description
The technical field is as follows:
the utility model relates to an electrified installation system of a pole-mounted switch of a 10kV distribution line.
Background art:
the column switch is a common electrical device on a 10KV distribution line, and at present, when the column switch on the existing line is replaced or newly added, power failure operation is usually required, so that complaints are easily caused, or production stop loss is caused to a user of the power line.
The utility model content is as follows:
in order to overcome the defects of the prior art, the utility model aims to provide the electrified installation system of the pole switch of the 10kV distribution line, and power failure is not needed when the pole switch is installed or replaced by adopting the electrified installation system.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an electrified installation system for a 10kv distribution line pole top switch, the installation system comprising:
the insulating isolation baffle is arranged below the cross arm at the lowest layer of the tower;
the first fixed pulley and the second fixed pulley are respectively arranged at the front end of the supporting hanging bracket and the rear end close to the tower; a foot pulley is arranged under the second fixed pulley;
the mounting system also comprises a lifting rope connected to the column switch and a movable pulley connected to the lifting rope;
the lifting device is characterized by further comprising a lifting rope, wherein one end of the lifting rope is fixedly connected to the front end of the supporting hanging frame, and the other end of the lifting rope sequentially penetrates through the movable pulley, the first fixed pulley, the second fixed pulley and the foundation pulley.
Preferably, the mounting system further comprises a wind cable, one end of the wind cable is connected to the pole-mounted switch bracket, and the other end of the wind cable is controlled by a ground operator.
Preferably, the support hanger body is a rod-shaped member, the rear end of the support hanger body is detachably connected to the tower, the support hanger further comprises a diagonal brace, one end of the diagonal brace is connected to the middle of the support hanger body, and the other end of the diagonal brace is detachably connected to the tower.
Preferably, the insulating isolation baffle is an epoxy insulating plate and is installed 1 meter below the cross arm at the lowest layer of the tower, the insulating isolation baffle is composed of two petals, opposite ends of the two petals are respectively provided with a semicircular groove, and the two petals are locked on the tower by an insulating hoop when the two petals are buckled on the tower.
Preferably, the ground pulley is mounted on a tower or the ground right below the second fixed pulley, and the ground pulley is loaded with 5 tons.
Compared with the prior art, the utility model has the beneficial effects that:
the pole-mounted switch live-line installation system is simple in structure, reasonable in design, easy for field operation of one-line operators, flexible to use, convenient and efficient, and suitable for wide popularization and application, and can be operated in various terrains such as plains, hills and mountains according to actual conditions. The insulating baffle is used for reliably isolating the operating point from the electrified part, and the operating personnel adopt the pulley block to install the switch.
The implementation of the utility model can ensure that the line is not powered off and the construction safety is ensured, thereby having great promotion effect on improving the power supply reliability and enabling the customer to use the upper discharge electrocardio.
Description of the drawings:
FIG. 1 is a schematic diagram of the system of the present invention; FIG. 2 is a schematic structural view of the support cradle; fig. 3 and 4 are top views (rectangular and circular) of the insulating isolation barrier.
Reference numbers in the figures: the device comprises an insulating isolation baffle 1, a supporting hanging bracket 2, a first fixed pulley 21, a second fixed pulley 22, an inclined stay bar 23, a ground pulley 3, a column switch 4, a lifting rope 5, a movable pulley 6, a lifting rope 7 and a wind rope 8.
The present invention will be further described with reference to the following detailed description and accompanying drawings.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to the drawings, the live installation system of the pole top switch of the 10kv distribution line of the embodiment comprises:
the insulation isolation baffle 1 is arranged below the cross arm at the lowest layer of the tower, and the insulation isolation baffle 1 is arranged below the cross arm at the lowest layer of the tower;
the supporting hanging bracket 2, the first fixed pulley 21 and the second fixed pulley 22 are arranged below the insulating isolation baffle 1 on the tower, and the first fixed pulley 21 and the second fixed pulley 22 are respectively arranged at the front end of the supporting hanging bracket and the rear end close to the tower; a foot pulley 3 is arranged right below the second fixed pulley 22;
the mounting system also includes a jack line connected to the pole top switch 4 and a movable sheave 6 (movable sheave carries three tons) connected to the jack line 5.
Further comprises a lifting rope 7, one end of the lifting rope 7 is fixedly connected with the supporting hanger2, the other end of the movable pulley 6, the first fixed pulley 21, the second fixed pulley 22 and the ground pulley 3 sequentially pass through, the ground pulley 3 is arranged on a tower or the ground under the second fixed pulley 22, the ground pulley 3 carries 5 tons, and the lifting rope 7 adopts
The insulating silk rope or hemp rope.
Specifically, as shown in fig. 3 and 4, the insulating isolation baffle 1 is an epoxy insulating plate, and is installed 1 meter below the cross arm at the lowest layer of the tower, the insulating isolation baffle 1 is composed of two petals, opposite ends of the two petals are respectively provided with a semicircular groove, the two petals are locked on the tower by an insulating hoop when being buckled on the tower, the insulating isolation baffle 1 can be square, circular or other shapes, when the insulating isolation baffle is square, each square baffle is 100 cm long, 60 cm wide and 0.3 cm thick; when the insulating isolation baffle is circular, the radius of each circular baffle is 60 cm, the thickness is 0.3 cm, and the circular baffles are all made of epoxy resin.
As shown in fig. 2, the support hanger 2 is a rod-shaped member made of galvanized angle steel 60 × 6 × 1200mm, and the rear end thereof is detachably connected to the tower, and the support hanger 2 further includes a diagonal brace 23 made of galvanized angle steel 60 × 6 × 900mm, one end of the diagonal brace is connected to the middle of the support hanger 2, and the other end thereof is detachably connected to the tower, and supports the support hanger 2. The first fixed pulley 21 and the second fixed pulley 22 are respectively installed at the front end of the support hanger body and the rear end part close to the tower, and the load of the two fixed pulleys is three tons.
As shown in figure 1, the installation system further comprises a wind-pulling rope 8, one end of the wind-pulling rope 8 is connected to the pole-mounted switch bracket, the other end of the wind-pulling rope is controlled by a ground operator, and the wind-pulling rope adopts a mode of
The insulating silk rope or hemp rope.
The specific implementation process comprises the following steps:
1. the 1m distance was measured and marked. The operator steps the pole to the proper position and measures the distance to the position 1 meter away from the cross arm at the lowest layer by using the insulated distance measuring pole to mark.
2. And installing an isolation baffle. The operating personnel installs insulating baffle at the mark department, before lifting by crane, the operating personnel should the isolation baffle carry out the ligature, ensure firm fixed, insulating baffle is 90 degrees states with the pole body.
3. And installing a switch hanger. The operating personnel installs the support gallows in insulating baffle below, and operating personnel each position of operating personnel's health must not surpass the isolation baffle, and operating personnel should support the gallows and carry out the ligature before lifting by crane, ensures firm fixed, supports the gallows mounted position and is parallel with the support position of column switch.
4. And installing pulleys and a threading rope. An operator penetrates the insulating lifting rope through the two fixed pulleys, the head section of the insulating lifting rope is fixed to the foremost section of the lifting point (namely the foremost end of the supporting hanger) through the U-shaped ring, the ground pulley is fixed to the position vertically below the lifting point, the movable pulley is led out from the upper section of the insulating lifting rope, the integrally-mounted column switch 4 and the fixed support are fixed through the insulating endless rope, the lifting point is led out, the lifting point is hung on the movable pulley, and the insulating wind-catching rope is tied to the proper position of the column switch.
5. And (6) installing a switch. The method comprises the steps that after a switch on a lifting column is just separated from the ground, a working responsible person needs to check whether all the parts are uniformly stressed or not and carries out an impact test, the lifting can be continued after the situation that no errors exist is confirmed, an operator uses a motor-driven winching and matching pulley or uses manual lifting, a lifting special person carries out unified command, when the lifted object is slightly separated from the ground, whether all the parts are uniformly stressed or not is checked again, the impact test is carried out, balance is kept, and the lifted object cannot lose the protection of a wind rope in the lifting process. In the hoisting process, the wind-pulling rope is used for protecting the switch all the time, so that the switch and the tower equipment keep a sufficient distance to avoid damaging the switch. And after the switch is lifted to a proper position, the direction of the switch is adjusted, and the switch is fixed. Ground operating personnel need to tighten the lifting rope to prevent the lifting switch from suddenly sliding off in the process of pulling up the switch. The safety belt and the secondary safety rope are hung in a firm place when the operator moves and works on the electric pole, the secondary safety rope needs to be hung at a high position and a low position, and the foot fastener needs to be adjusted at any time according to the pole diameter to prevent falling off.
6. And (4) removing the switch support hanger. Each part of the body of the operator cannot exceed the isolation baffle, and after the switch supporting hanging frame is detached, the operator should bind the switch supporting hanging frame to ensure firm fixation. A barrier is arranged below the high-altitude operation, and people are forbidden to pass or stay below the operation point.
7. And (5) removing the insulating isolation baffle. Each part of the body of the operator cannot exceed the marking line 1m below the cross arm, and after the insulating isolation baffle is removed, the operator should bind the insulating isolation baffle to ensure firm fixation. An obstruction is arranged below the high-altitude operation, and people are forbidden to pass or stay below the operation point.
It should be noted that the detailed description of the present invention is not included in the technical field, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts by those skilled in the art, and will not be described in detail herein.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220085986.7U CN216774076U (en) | 2022-01-13 | 2022-01-13 | Electrified mounting system of 10 kilovolt distribution lines post switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220085986.7U CN216774076U (en) | 2022-01-13 | 2022-01-13 | Electrified mounting system of 10 kilovolt distribution lines post switch |
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| CN216774076U true CN216774076U (en) | 2022-06-17 |
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| CN202220085986.7U Active CN216774076U (en) | 2022-01-13 | 2022-01-13 | Electrified mounting system of 10 kilovolt distribution lines post switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116142994A (en) * | 2022-12-30 | 2023-05-23 | 国网北京市电力公司 | A line switch installation and hoisting device and method |
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2022
- 2022-01-13 CN CN202220085986.7U patent/CN216774076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116142994A (en) * | 2022-12-30 | 2023-05-23 | 国网北京市电力公司 | A line switch installation and hoisting device and method |
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