CN214100610U - Electric power overhead line conductor installation device - Google Patents

Electric power overhead line conductor installation device Download PDF

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Publication number
CN214100610U
CN214100610U CN202023017858.9U CN202023017858U CN214100610U CN 214100610 U CN214100610 U CN 214100610U CN 202023017858 U CN202023017858 U CN 202023017858U CN 214100610 U CN214100610 U CN 214100610U
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China
Prior art keywords
pulley
mounting seat
wheel pin
pin
fixing rod
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CN202023017858.9U
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杨晓云
田久明
刘玉和
裴宾
王洪宇
王鹤
韩加伟
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Uaneng Yimin Coal Power Co Ltd
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Uaneng Yimin Coal Power Co Ltd
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Abstract

The utility model discloses an electric power overhead line wire installation device, including cross arm, first loose pulley assembly, second loose pulley assembly, third pulley and stay cord. The first pulley assembly comprises a first pulley, a first mounting seat and a first fixing rod, and a first wheel pin is arranged on the first pulley. The second pulley assembly comprises a second pulley, a second mounting seat and a second fixing rod, and a second pulley pin is arranged on the second pulley. And a third pulley pin is arranged on the third pulley, the first pulley and the second pulley are both fixed pulleys, and the third pulley is a movable pulley. Because the position relatively fixed of first pulley and second pulley, the electric wire is at the in-process that is promoted, and the pulling force of the rope that receives is stable, so can not directly avoid causing the crooked impaired phenomenon of cement pole head even of cross arm because dead weight and atress unstability take place to rotate, solve the problem that prior art exists. The device has simple, safe and reliable structure, can be operated by standing on the ground, and ensures personal safety when the position of the electric wire is lifted.

Description

Electric power overhead line conductor installation device
Technical Field
The utility model relates to an electric power overhead line construction auxiliary assembly technical field especially relates to an electric power overhead line wire installation device.
Background
An electric power line refers to a line used to transmit electric energy between a power plant, a substation, and an electric power consumer. It is an important component of a power supply system and is responsible for the task of delivering and distributing electrical energy. The power circuit is a conductor loop which connects the power substation and the distribution substation with each electric energy user or electric equipment and transmits and distributes electric energy from the power supply end (the power substation and the distribution substation) to the load end (the electric energy users or the electric equipment).
When the overhead power line is in on-line construction, a suspension point needs to be found beside each phase of insulator on a cross arm, a pulley is suspended, a pulley pin is opened, a wire is placed in the pulley, the pulley pin is closed, then personnel or auxiliary equipment are arranged below the pulley pin to pull the wire, and when the wire is pulled to a set position, the wire is fixed on the cross arm of a support.
In the process of getting on the line of the overhead power line, the cross arm is easy to rotate due to unbalanced stress because of large dead weight and large tensile force, so that the cross arm is inclined, and the head of the cement electric pole is damaged.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides an electric power overhead line wire installation device through first loose pulley assembly, second loose pulley assembly and third pulley with the stable appointed position of promotion in the cross arm below of electric wire.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides an electric power overhead line wire installation device, includes cross arm, first loose pulley assembly, second loose pulley assembly, third pulley and stay cord. First loose pulley assembly, second loose pulley assembly all are connected with the bottom surface of cross arm, and first loose pulley assembly, second loose pulley assembly and third pulley are passed respectively in proper order to the one end of stay cord, and the electric wire is connected to the other end of stay cord.
First loose pulley assembly includes first pulley, first mount pad and first dead lever, and first mount pad is the I shape, the upper surface of first mount pad and the bottom surface joint of cross arm. The top end of the first fixing rod is connected with the bottom surface of the first mounting seat, the bottom end of the first fixing rod is connected with the first pulley, a first wheel pin is arranged on the first pulley, and the first wheel pin is coaxially connected with the first pulley. The pull rope passes through the first wheel pin and is wound on the first pulley, and the first wheel pin is used for fixing the position of the pull rope in the first pulley.
The second pulley component comprises a second pulley, a second mounting seat and a second fixing rod, the second mounting seat is I-shaped, and the upper surface of the second mounting seat is clamped with the bottom surface of the cross arm. The top end of the second fixed rod is connected with the bottom surface of the second mounting seat, the bottom end of the second fixed rod is connected with the second pulley, a second wheel pin is arranged on the second pulley, and the second wheel pin is coaxially connected with the second pulley. The pull rope passes through the second wheel pin and is wound on the second pulley, and the second wheel pin is used for fixing the position of the pull rope in the second pulley. There is a distance between first mount pad and the second mount pad.
And a third wheel pin is arranged on the third pulley, the third pulley is arranged below the cross arm, and the third wheel pin is connected with a middle shaft of the third pulley. The third wheel pin is used for fixing the position of the pull rope in the third pulley.
The first pulley and the second pulley are both fixed pulleys, and the third pulley is a movable pulley.
Compared with the prior art, the utility model has the advantages of it is following: the first pulley assembly and the second pulley assembly are respectively arranged on the bottom surface of the cross arm, and the first pulley assembly and the second pulley assembly are kept at a certain distance, so that the first pulley and the second pulley are ensured not to be contacted when the pull rope is pulled. Pass first pulley respectively in proper order with the one end of stay cord, second pulley and third pulley, the electric wire is tied up to the other end of stay cord, the one end of pulling the stay cord, the stay cord drives the rotation of third pulley, the third pulley is under the effect of stay cord, light first pulley of drive and second pulley rotate, rotate through first pulley and second pulley and promote the electric wire to the assigned position below the cross arm by ground, because the position relatively fixed of first pulley and second pulley, the electric wire is at the in-process that is promoted, the pulling force of the rope that receives is stable, so can not rotate because dead weight and atress unstability take place, directly avoid causing the crooked impaired phenomenon of cement pole head even of cross arm, solve the problem that prior art exists. The device has simple, safe and reliable structure, can be operated by standing on the ground, and ensures personal safety when the position of the electric wire is lifted.
More preferably: damping parts are selected for the first mounting seat and the second mounting seat.
By adopting the technical scheme, the damping piece can be prolonged or shortened, and the user can adjust the widths of the first mounting seat and the second mounting seat according to the width of the bottom surface of the cross arm, so that the first mounting seat and the second mounting seat can be clamped on the cross arm, and the damping device has the characteristic of wide application range.
More preferably: the first wheel pin is U-shaped, one end of the first wheel pin is coaxially connected with one end of the first pulley, the other end of the first wheel pin is coaxially connected with the other end of the first pulley, and the first wheel pin rotates on the first pulley.
Adopt above-mentioned technical scheme, like this, the stay cord passes first round of round pin when bypassing first pulley, and when the stay cord moved in first pulley, first round of round pin can block the stay cord and take place to rock, prevents that the stay cord from droing from first pulley, ensures the position of the steady promotion electric wire of stay cord, prevents simultaneously to take place because the stay cord drops the danger that makes the electric wire drop, has safe and reliable's characteristics.
More preferably: the second round pin is U-shaped, one end of the second round pin is coaxially connected with one end of the second pulley, the other end of the second round pin is coaxially connected with the other end of the second pulley, and the second round pin rotates on the second pulley.
Adopt above-mentioned technical scheme, the stay cord passes the second round of round pin when walking around the second pulley, and when the stay cord moved in the second pulley, the second round of round pin can block the stay cord and take place to rock, prevented that the stay cord from droing from the second pulley, ensured that the stay cord steadily promotes the position of electric wire, prevented simultaneously because the stay cord drops the danger that makes the electric wire drop, had safe and reliable's characteristics.
The method is further optimized as follows: the first mounting seat is of a channel steel type.
Adopt above-mentioned technical scheme, the card that the first mount pad of channel-section steel type can be fine is on the cross arm to make things convenient for hand to hold first mount pad, the first mount pad of dismouting of being convenient for.
The method is further optimized as follows: the second mounting seat is of a channel steel type.
Adopt above-mentioned technical scheme, the card that the first mount pad of channel-section steel type can be fine is on the cross arm to make things convenient for hand to hold first mount pad, the dismouting second mount pad of being convenient for.
The method is further optimized as follows: the top end of the first fixing rod is detachably connected with the bottom surface of the first mounting seat.
Adopt above-mentioned technical scheme, after the electric wire operation is erect in the end, can pull down first dead lever and first mount pad, or before erectting the electric wire, can get up first dead lever and first mount pad installation, make things convenient for the dismouting, the practicality is strong.
The method is further optimized as follows: the top end of the second fixed rod is detachably connected with the bottom surface of the second mounting seat.
By adopting the technical scheme, after the operation of erecting the electric wire is finished, the second fixing rod and the second mounting seat can be detached, or the second fixing rod and the second mounting seat can be installed before the electric wire is erected, so that the electric wire is convenient to disassemble and assemble, and the practicability is high.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of a first mounting base in the present embodiment;
FIG. 3 is a schematic view of the connection between the first pulley assembly and the pull cord;
reference numerals: 1-cross arm; 11 — a first insulator; 12-a second insulator; 13-a third insulator; 14-a first pole; 15-a second pole; 2-a first sheave assembly; 21-a first pulley; 22-a first mount; 221-a fixing plate; 222-a retractable plate; 223-side plate; 23-a first fixing bar; 24-a first wheel pin; 3-a second sheave assembly; 31-a second pulley; 32-a second mount; 33-a second fixing bar; 34-a second wheel pin; 4-a third pulley; 44-third wheel pin; 5-pulling a rope; 6-electric wire.
Detailed Description
The present invention will be described in further detail with reference to fig. 1.
An electric power overhead line conductor installation device is used for erecting an electric wire 6 in the high altitude of an open pit coal mine excavation site, and comprises a cross arm 1, a first pulley assembly 2, a second pulley assembly 3, a third pulley 4 and a pull rope 5, as shown in figure 1. First loose pulley assembly 2, second loose pulley assembly 3 all are connected with the bottom surface of cross arm 1, and first loose pulley assembly 2, second loose pulley assembly 3 and third pulley 4 are passed respectively in proper order to the one end of stay cord 5, and electric wire 6 is connected to the other end of stay cord 5.
First insulator 11, second insulator 12 and third insulator 13 are provided with equidistant respectively on cross arm 1's the bottom surface, still be provided with first pole 14 on cross arm 1 respectively, second pole 15, first pole 14 is perpendicular with cross arm 1, second pole 15 is perpendicular with cross arm 1, first pole 14 and the equidistant distribution of second pole 15 are on cross arm 1, the lower extreme of first pole 14, the lower extreme of second pole 15 all buries underground, support cross arm 1.
The first pulley component 2 comprises a first pulley 21, a first mounting seat 22 and a first fixing rod 23, the first mounting seat 22 is in an I shape, and the upper surface of the first mounting seat 22 is clamped with the bottom surface of the cross arm 1. The top end of the first fixing rod 23 is connected with the bottom surface of the first mounting seat 22, the bottom end of the first fixing rod 23 is connected with the first pulley 21, a first wheel pin 24 is arranged on the first pulley 21, and the first wheel pin 24 is coaxially connected with the first pulley 21. The rope 5 passes through the first pulley pin 24 and is wound around the first pulley 21, and as shown in fig. 3, the first pulley pin 24 serves to fix the position of the rope 5 in the first pulley 21.
As shown in fig. 2, the first mounting seat 22 includes a fixing plate 221, an expansion plate 222, and a side plate 223, the expansion plate 222 extends into the fixing plate 221, the expansion plate 222 reciprocates in the fixing plate 221, and a damping structure is formed inside the fixing plate 221 and inside the expansion plate 222. The number of the side plates 223 is 2, wherein a first side plate 223 is connected to the expansion plate 222 and is perpendicular to the expansion plate 222. The second side plate 223 is connected to the fixing plate 221 and is perpendicular to the fixing plate 221. Here, it should be specifically noted that the structure of the second mounting seat 32 is identical to that of the first mounting seat 22, and will not be described in detail.
The second pulley assembly 3 includes a second pulley 31, a second mounting seat 32 and a second fixing rod 33, the second mounting seat 32 is i-shaped, and the upper surface of the second mounting seat 32 is clamped with the bottom surface of the cross arm 1. The top end of the second fixing rod 33 is connected with the bottom surface of the second mounting seat 32, the bottom end of the second fixing rod 33 is connected with the second pulley 31, a second wheel pin 34 is arranged on the second pulley 31, and the second wheel pin 34 is coaxially connected with the second pulley 31. The rope 5 passes through the second pulley pin 34 and is wound around the second pulley 31, and the second pulley pin 34 is used for fixing the position of the rope 5 in the second pulley 31. There is a distance between first mount 22 and second mount 32.
The third pulley 4 is provided with a third wheel pin 44, the third pulley 4 is arranged below the cross arm 1, and the third wheel pin 44 is connected with a middle shaft of the third pulley 4. The third pulley pin 44 is used to fix the position of the rope 5 in the third pulley 4.
The first pulley 21 and the second pulley 31 are both fixed pulleys, and the third pulley 4 is a movable pulley.
Specifically, in the present embodiment, the damping members are used for both the first mounting seat 22 and the second mounting seat 32. The damping piece can be prolonged or shortened, and the user can adjust the width of first mount pad 22, second mount pad 32 according to the width of cross arm 1 bottom surface, makes first mount pad 22, second mount pad 32 all can block on cross arm 1, has the wide characteristics of application scope.
Specifically, in the present embodiment, the first wheel pin 24 is U-shaped, one end of the first wheel pin 24 is coaxially connected to one end of the first pulley 21, the other end of the first wheel pin 24 is coaxially connected to the other end of the first pulley 21, and the first wheel pin 24 rotates on the first pulley 21. Like this, stay cord 5 passes first round pin 24 when walking around first pulley 21, and when stay cord 5 moved in first pulley 21, first round pin 24 can block stay cord 5 and take place to rock, prevents that stay cord 5 from coming off from first pulley 21, ensures that stay cord 5 steadily promotes the position of electric wire 6, prevents simultaneously to take place because stay cord 5 drops the danger that makes electric wire 6 drop, has safe and reliable's characteristics.
Specifically, in the present embodiment, the second wheel pin 34 is U-shaped, one end of the second wheel pin 34 is coaxially connected to one end of the second pulley 31, the other end of the second wheel pin 34 is coaxially connected to the other end of the second pulley 31, and the second wheel pin 34 rotates on the second pulley 31. The second round pin 34 is passed in the stay cord 5 when walking around second pulley 31, and when the stay cord 5 moved in second pulley 31, second round pin 34 can block stay cord 5 and take place to rock, prevents that stay cord 5 from coming off from second pulley 31, ensures that stay cord 5 steadily promotes the position of electric wire 6, prevents simultaneously to take place because the danger that stay cord 5 drops and make electric wire 6 drop, has safe and reliable's characteristics.
Specifically, the first mounting seat 22 in this embodiment is of a channel steel type. First mount pad 22 of channel-section steel type can be fine card on cross arm 1 to make things convenient for the hand to hold first mount pad 22, the first mount pad 22 of dismouting of being convenient for.
Specifically, the second mounting seat 32 in this embodiment is of a channel steel type. First mount pad 22 of channel-section steel type can be fine card on cross arm 1 to make things convenient for the hand to hold first mount pad 22, be convenient for dismouting second mount pad 32.
Specifically, in this embodiment, the top end of the first fixing rod 23 is detachably connected to the bottom surface of the first mounting seat 22. Furthermore, the top end of the first fixing rod 23 is connected with the bottom surface of the first mounting seat 22 by any one of plugging and threaded connection, after the operation of erecting the electric wire 6 is finished, the first fixing rod 23 and the first mounting seat 22 can be detached, or before the electric wire 6 is erected, the first fixing rod 23 and the first mounting seat 22 can be installed, so that the assembling and disassembling are convenient, and the practicability is high.
Specifically, in the present embodiment, the top end of the second fixing rod 33 is detachably connected to the bottom surface of the second mounting seat 32. Furthermore, the top end of the second fixing rod 33 is connected with the bottom surface of the second mounting seat 32 by any one of plugging and screw connection, after the operation of erecting the electric wire 6 is finished, the second fixing rod 33 and the second mounting seat 32 can be detached, or before the electric wire 6 is erected, the second fixing rod 33 and the second mounting seat 32 can be mounted, so that the assembly and disassembly are convenient, and the practicability is high.
The use process comprises the following steps: the following description will be made by taking an example of the wire 6 being laid around the first insulator 11 and the second insulator 12 on the cross arm 1, respectively:
please refer to fig. 1, fig. 2 and fig. 3, wherein the first fixing rod 23 is connected to the first fixing base, the second fixing rod 33 is connected to the second fixing base, the first fixing base and the second fixing base are pulled, the first fixing base and the second fixing base are respectively clamped on the bottom surface of the cross arm 1, and a certain distance is formed between the first fixing base and the second fixing base. One end of the pull rope 5 passes through the first wheel pin 24, the second wheel pin 34 and the third wheel pin 44 respectively, the pull rope 5 sequentially rounds the first pulley 21, the second pulley 31 and the third pulley 4, then the electric wire 6 is tied to the other end of the pull rope 5, the one end of the pull rope 5 is pulled on the bottom surface, the pull rope 5 drives the third pulley 4 to rotate, the third pulley 4 drives the first pulley 21 and the second pulley 31 to rotate easily under the action of the pull rope 5, the electric wire 6 is lifted to a specified position below the first insulator 11 from the ground through the rotation of the first pulley 21 and the second pulley 31, and then the electric wire 6 is taken down to start erection work. After the erection is finished, when the electric wire 6 needs to be erected near the second insulator 12, the first ring wheel assembly is detached from the cross arm 1, and then the electric wire 6 is lifted to a specified position below the second insulator 12 by the same method when the electric wire 6 is installed near the second insulator 12, the positions of the first pulley assembly 2 and the second pulley assembly 3 do not need to be readjusted, the construction difficulty and the construction time are reduced, and the working efficiency is improved. When the electric wire 6 needs to be erected near the third insulator 13, the same method can be used, and the operation is simple and easy.
As described above, the first pulley assembly 2 and the second pulley assembly 3 are attached to the bottom surface of the cross arm 1, and the first pulley assembly 2 and the second pulley assembly 3 are kept at a predetermined distance from each other, so that the first pulley 21 and the second pulley 31 do not contact each other when the rope 5 is pulled. Pass first pulley 21 respectively in proper order with the one end of stay cord 5, second pulley 31 and third pulley 4, electric wire 6 is tied up to the other end of stay cord 5, the one end of pulling stay cord 5, stay cord 5 drives third pulley 4 and rotates, third pulley 4 is under the effect of stay cord 5, light first pulley 21 and the rotation of second pulley 31 of driving, it promotes electric wire 6 to the assigned position in cross arm 1 below by ground to rotate through first pulley 21 and second pulley 31, because the position relatively fixed of first pulley 21 and second pulley 31, electric wire 6 is at the in-process that is promoted, the pulling force of the rope that receives is stable, so can not take place to rotate because of dead weight and atress unstability, directly avoid causing the crooked even impaired phenomenon of cement pole head of cross arm 1, solve the problem that prior art exists. The device has simple, safe and reliable structure, can be operated by standing on the ground, and ensures personal safety when the position of the electric wire 6 is lifted.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the present invention.

Claims (8)

1. The utility model provides an electric power overhead line wire installation device which characterized in that: the device comprises a cross arm, a first pulley component, a second pulley component, a third pulley and a pull rope; the first pulley assembly and the second pulley assembly are connected with the bottom surface of the cross arm, one end of the pull rope sequentially penetrates through the first pulley assembly, the second pulley assembly and the third pulley, and the other end of the pull rope is connected with an electric wire;
the first pulley assembly comprises a first pulley, a first mounting seat and a first fixing rod, the first mounting seat is I-shaped, and the upper surface of the first mounting seat is clamped with the bottom surface of the cross arm; the top end of the first fixing rod is connected with the bottom surface of the first mounting seat, the bottom end of the first fixing rod is connected with the first pulley, a first wheel pin is arranged on the first pulley, and the first wheel pin is coaxially connected with the first pulley; the pull rope penetrates through the first wheel pin and is wound on the first pulley, and the first wheel pin is used for fixing the position of the pull rope in the first pulley;
the second pulley assembly comprises a second pulley, a second mounting seat and a second fixing rod, the second mounting seat is I-shaped, and the upper surface of the second mounting seat is clamped with the bottom surface of the cross arm; the top end of the second fixing rod is connected with the bottom surface of the second mounting seat, the bottom end of the second fixing rod is connected with the second pulley, a second wheel pin is arranged on the second pulley, and the second wheel pin is coaxially connected with the second pulley; the pull rope penetrates through the second wheel pin and is wound on the second pulley, and the second wheel pin is used for fixing the position of the pull rope in the second pulley; a distance exists between the first mounting seat and the second mounting seat;
a third wheel pin is arranged on the third pulley, the third pulley is arranged below the cross arm, and the third wheel pin is connected with a middle shaft of the third pulley; the third wheel pin is used for fixing the position of the pull rope in the third pulley;
the first pulley and the second pulley are both fixed pulleys, and the third pulley is a movable pulley.
2. The overhead power line conductor installation apparatus of claim 1, wherein: the first mounting seat and the second mounting seat are made of damping parts.
3. The overhead power line conductor installation apparatus of claim 1, wherein: the first wheel pin is U-shaped, one end of the first wheel pin is coaxially connected with one end of the first pulley, the other end of the first wheel pin is coaxially connected with the other end of the first pulley, and the first wheel pin rotates on the first pulley.
4. The overhead power line conductor installation apparatus of claim 1, wherein: the second round pin is U-shaped, one end of the second round pin with one end coaxial coupling of second pulley, the other end of second round pin with the other end coaxial coupling of second pulley, the second round pin is in rotate on the second pulley.
5. The overhead power line conductor installation apparatus of claim 1, wherein: the first mounting seat is of a channel steel type.
6. The overhead power line conductor installation apparatus of claim 1, wherein: the second mounting seat is of a channel steel type.
7. The overhead power line conductor installation apparatus of claim 1, wherein: the top end of the first fixing rod is detachably connected with the bottom surface of the first mounting seat.
8. The overhead power line conductor installation apparatus of claim 1, wherein: the top end of the second fixing rod is detachably connected with the bottom surface of the second mounting seat.
CN202023017858.9U 2020-12-15 2020-12-15 Electric power overhead line conductor installation device Active CN214100610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023017858.9U CN214100610U (en) 2020-12-15 2020-12-15 Electric power overhead line conductor installation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023017858.9U CN214100610U (en) 2020-12-15 2020-12-15 Electric power overhead line conductor installation device

Publications (1)

Publication Number Publication Date
CN214100610U true CN214100610U (en) 2021-08-31

Family

ID=77429019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023017858.9U Active CN214100610U (en) 2020-12-15 2020-12-15 Electric power overhead line conductor installation device

Country Status (1)

Country Link
CN (1) CN214100610U (en)

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