CN213521213U - Ground wire ice melting and wire changing switch device - Google Patents
Ground wire ice melting and wire changing switch device Download PDFInfo
- Publication number
- CN213521213U CN213521213U CN202022280787.5U CN202022280787U CN213521213U CN 213521213 U CN213521213 U CN 213521213U CN 202022280787 U CN202022280787 U CN 202022280787U CN 213521213 U CN213521213 U CN 213521213U
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- bevel gear
- insulator
- switch
- conducting rod
- ice melting
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Abstract
The utility model discloses a ground wire ice-melt line-changing switching device installs the static contact on the transmission line gold utensil link plate, and the gold utensil link plate is connected with the iron tower cross arm through high voltage insulator. Thereby drive mechanism is installed to high voltage insulator one end, and drive mechanism is used for driving bevel gear and rotates and drive the conducting rod swing, and conducting rod other end side surface fixed mounting has the moving contact, realizes the electric conduction effect when the moving contact is connected with the static contact, installs the electromagnetic lock in the switch safety cover, and the electromagnetic lock will conducting rod locking, the utility model discloses simple structure, convenient operation drives rotary insulator through the motor and rotates to drive the conducting rod and rotate, the static contact on the conducting rod is connected with the moving contact, realizes the short circuit of ground wire and wire, through letting in the thermal effect that the direct current produced, makes the ground wire generate heat, thereby reaches ice-melt effect, and the complete automation of separating brake process has improved the efficiency of ice-melt.
Description
Technical Field
The utility model relates to a ground wire ice-melt equipment technical field, more specifically say, in particular to ground wire ice-melt trades line switching device.
Background
Under the influence of the frequent occurrence of extreme climate in recent years, a particularly serious ice disaster similar to 2008 can possibly occur. In order to ensure safe and stable operation of the power grid, line ice melting work needs to be carried out in time after the power grid is covered with ice. Most of the traditional ground wire ice melting is conducted with the thermal effect generated by direct current, so that the ground wire is heated, and the ice melting effect is achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ground wire ice-melt trades line switching device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ground wire ice-melt line change switching device, includes transmission line gold utensil even board, switch safety cover and PLC control box, and it still includes high voltage insulator, bevel gear group and conducting rod, install the static contact on the transmission line gold utensil even board, the transmission line gold utensil even board is connected with the iron tower cross arm through high voltage insulator, and drive mechanism is installed to high voltage insulator one end, and the drive mechanism other end is connected with the conducting rod through bevel gear group, thereby drive mechanism is used for bevel gear group to rotate and drives the conducting rod swing, and conducting rod other end side surface fixed mounting has the moving contact, realizes the electric conduction effect when the moving contact is connected with the static contact, install the electromagnetic lock in the switch safety cover, the electromagnetic lock will the conducting rod locking.
Preferably, drive mechanism includes mounting panel, motor, speed reducer, backup pad, U template, bevel gear group and five low-voltage insulators, high-voltage insulator one end and mounting panel one end fixed connection, motor and speed reducer formula structure as an organic whole, fixed mounting is on the mounting panel, five the low-voltage insulator is installed between mounting panel and backup pad, and four of them are supporting insulator, and supporting insulator plays the supporting role, and a low-voltage insulator that is located the middle part is rotary insulator, rotary insulator one end and motor speed reducer's drive shaft fixed connection, U template fixed mounting is in the backup pad lower part, bevel gear group is located U template opening, the rotary insulator other end and conducting rod one end all with bevel gear group fixed connection.
Preferably, the bevel gear set is composed of a bevel gear and a helical gear, the helical gear is movably mounted in an opening of the U-shaped plate, the helical gear is fixedly connected with one end of the conductive rod, the bevel gear is fixedly connected with the rotary insulator, and the bevel gear is meshed with the helical gear.
Preferably, a locking ring is fixedly installed at one end of the conducting rod close to the position of the fixed contact.
Preferably, the electromagnetic lock is a direct current electric telescopic rod, and the direct current electric telescopic rod is provided with a switch-on limit switch and a switch-off limit switch, and is inserted into the locking ring in a telescopic mode to realize mechanical locking.
Preferably, the locking ring 12 is provided with a roller 20, and the roller 20 and the locking rod 12 are coaxially matched and can move in a rolling way.
Preferably, the speed reducer 7 is provided with a convex block 17, a closing travel switch 18 and a separating travel switch 19, the large shaft of the speed reducer 7 drives the convex block 17 to rotate, the convex block 17 respectively triggers the closing travel switch 18 and the separating travel switch 19 to act, and a closing or separating in-place signal is sent to the PLC control box to realize the control of the opening and closing action, and the total action travel of the conducting rod 11 can be changed by adjusting the mounting angle of the separating travel switch 19 of the closing travel switch 18
Preferably, a closing limit switch 21 and an opening limit switch 22 are arranged inside the electromagnetic lock 16.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses simple structure, convenient operation drives rotary insulator through the motor and rotates to drive the conducting rod and rotate, the static contact on the conducting rod is connected with the moving contact, realizes the short circuit of ground wire and wire, through letting in the fuel factor that the direct current produced, makes the ground wire generate heat, thereby reaches ice-melt effect, and the full automation of separating brake process has improved the efficiency of ice-melt.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.
Fig. 1 is a structural diagram of a ground wire ice melting and wire changing switch device of the present invention;
fig. 2 is a cross-sectional view of the transmission mechanism of the present invention;
fig. 3 is a mounting diagram of the travel switch of the speed reducer of the present invention;
FIG. 4 is a block diagram of the lock ring;
fig. 5 is a structural view of the electromagnetic lock.
In the figure: the power transmission line protection device comprises a power transmission line hardware connecting plate 1, a fixed contact 2, a high-voltage insulator 3, a switch protection cover 4, a mounting plate 5, a motor 6, a speed reducer 7, a support plate 8, a low-voltage insulator 9, a U-shaped plate 10, a conductive rod 11, a locking ring 12, a movable contact 13, a bevel gear 14, a bevel gear 15, an electromagnetic lock 16, a convex block 17, a trip travel switch 18, a closing travel switch 19 and a roller 20.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1, the utility model provides a ground wire ice melting and wire changing switch device, which comprises a transmission line hardware fitting connecting plate 1, a switch protection cover 4 and a PLC control box, wherein a static contact 2 is installed on the transmission line hardware fitting connecting plate 1, the transmission line hardware fitting connecting plate 1 is insulated by high voltage, 9 is connected with an iron tower cross arm, the high voltage insulators 9 are configured according to the number of field jumper strings, when the transmission line hardware fitting connecting plate is a double jumper string, a long string of insulators are additionally provided and installed between the iron tower cross arm and the static contact 2 to realize high voltage electrical insulation and simultaneously used for supporting the static contact 2, one end of the high voltage insulator 9 is provided with a transmission mechanism, the other end of the transmission mechanism is connected with a conductive rod 11 through a bevel gear set, the transmission mechanism is used for bevel gear rotation to drive the conductive rod 11 to swing, a movable contact 13 head is fixedly installed on the side surface of, an electromagnetic lock 16 is arranged in the switch protection cover 4, and the electromagnetic lock 16 locks the conducting rod 11.
The PLC control box provides power and sends an opening and closing action signal to ensure the logic sequence of opening and closing and locking, and the technology is the prior art and is not described herein.
Referring to fig. 2, in this embodiment, the transmission mechanism includes a mounting plate 5, a motor 6, a speed reducer 7, a support plate 8, a U-shaped plate 10, a bevel gear set and five low-voltage insulators 9, one end of a high-voltage insulator 3 is fixedly connected with one end of the mounting plate 5, the motor 6 is fixedly mounted on the mounting plate 5 through the speed reducer 7, the five low-voltage insulators 9 are mounted between the mounting plate 5 and the support plate 8, four of the low-voltage insulators are support insulators which play a supporting role, one low-voltage insulator 9 located in the middle of the low-voltage insulator is a rotary insulator, one end of the rotary insulator is fixedly connected with a drive shaft of the speed reducer 7, the U-shaped plate 10 is fixedly mounted on the lower portion of the support plate 8, the bevel gear set is located in.
Referring to fig. 2, in the present embodiment, the bevel gear set is composed of a bevel gear 14 and a bevel gear 15, the bevel gear 15 is movably installed in the opening of the U-shaped plate 10, the bevel gear 15 is fixedly connected to one end of the conductive rod 11, the bevel gear 14 is fixedly connected to the rotary insulator, and the bevel gear 14 is engaged with the bevel gear 15.
In this embodiment, a locking ring 12 is fixedly installed at one end of the conducting rod 10 near the stationary contact 2.
In this embodiment, the electromagnetic lock 16 is a dc electric telescopic rod, which is inserted into the locking ring 12 through extension to achieve mechanical locking, so as to prevent misoperation and the conductive rod 11 from falling due to failure.
Referring to fig. 4, in the present embodiment, the locking ring 12 is provided with the roller 20, the roller 20 is coaxially engaged with the locking rod 12 and can relatively roll, so that when the pressure of the conductive rod is too high, the sliding friction between the remaining locking rod 12 and the push rod of the electromagnetic lock 16 is converted into the rolling friction, the friction coefficient is reduced, and the push rod is prevented from being unable to extend or retract due to the too high friction.
Referring to fig. 3, in this embodiment, a convex block 17 and a switching-on/off travel switch 18 are installed on the speed reducer 7, the convex block 17 is driven to rotate by a large shaft of the speed reducer 7, the convex block 17 respectively triggers a switching-on travel switch 18 and a switching-off travel switch 19 to act, and a switching-on/off in-place signal is sent to the PLC control box to control switching-on/off actions, and the total action travel of the conductive rod 11 can be changed by adjusting the installation angle of the switching-on travel switch 18 and the switching-off travel switch 19.
Referring to fig. 5, in the present embodiment, a closing limit switch 21 and a separating limit switch 22 are disposed inside the electromagnetic lock 16, and the opening/closing lock in-place signal can be sent outwards through the limit switches.
The working principle is as follows: the speed reducer 7 drives the rotary insulator and the bevel gear set to rotate through the motor 6, so that the conductive rod 11 is driven to swing, the static contact 2 on the conductive rod 11 is connected with the moving contact 13, the short circuit of the ground wire and the wire is realized, and the ground wire is heated through the heat effect generated by introducing direct current, so that the ice melting effect is achieved.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.
Claims (8)
1. The utility model provides a ground wire ice-melt line change switching device, includes transmission line gold utensil link plate, switch safety cover and PLC control box, its characterized in that: the transmission line hardware fitting connecting plate is provided with a static contact and is connected with an iron tower cross arm through the high-voltage insulator, a transmission mechanism is installed at one end of the high-voltage insulator, the other end of the transmission mechanism is connected with the conductive rod through a bevel gear set, the transmission mechanism is used for rotating the bevel gear set to drive the conductive rod to swing, a moving contact is fixedly installed on the side surface of the other end of the conductive rod, the electric conduction effect is achieved when the moving contact is connected with the static contact, an electromagnetic lock is installed in a switch protection cover, and the conductive rod is locked through the electromagnetic lock.
2. The ground ice melting and line changing switch device according to claim 1, characterized in that: drive mechanism includes mounting panel, motor, speed reducer, backup pad, U template, bevel gear group and five low-voltage insulators, high-voltage insulator one end and mounting panel one end fixed connection, motor and speed reducer formula structure as an organic whole, fixed mounting is on the mounting panel, five the low-voltage insulator is installed between mounting panel and backup pad, and wherein four are supporting insulator, and supporting insulator plays the supporting role, and a low-voltage insulator that is located the middle part is rotary insulator, rotary insulator one end and motor speed reducer's drive shaft fixed connection, U template fixed mounting is in the backup pad lower part, bevel gear group is located U template opening, the rotary insulator other end and conducting rod one end all with bevel gear group fixed connection.
3. The ground ice melting and line changing switch device according to claim 2, characterized in that: the bevel gear set is composed of a bevel gear and a helical gear, the helical gear is movably mounted in an opening of the U-shaped plate, the helical gear is fixedly connected with one end of the conducting rod, the bevel gear is fixedly connected with the rotary insulator, and the bevel gear is meshed with the helical gear.
4. The ground ice melting and line changing switch device according to claim 3, wherein: and a locking ring is fixedly arranged at one end of the conducting rod close to the static contact.
5. The ground ice melting and line changing switch device according to claim 4, wherein: the electromagnetic lock is a direct current electric telescopic rod which is provided with a switch-off limit switch and a switch-on limit switch, and the electromagnetic lock is inserted into the locking ring in a telescopic mode to realize mechanical locking.
6. The ground ice melting and wire changing switch device according to claim 5, wherein: the locking ring is provided with a roller wheel, and the roller wheel and the locking rod are coaxially matched and can relatively roll.
7. The ground ice melting and line changing switch device according to claim 2, characterized in that: the speed reducer is provided with a convex block, a closing travel switch and an opening travel switch, the convex block is driven to rotate by a large shaft of the speed reducer, the convex block respectively triggers the closing travel switch and the opening travel switch to act, and a closing or opening in-place signal is sent to the PLC control box.
8. The ground ice melting and wire changing switch device according to claim 5, wherein: and a closing limit switch and an opening limit switch are arranged in the electromagnetic lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022280787.5U CN213521213U (en) | 2020-10-14 | 2020-10-14 | Ground wire ice melting and wire changing switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022280787.5U CN213521213U (en) | 2020-10-14 | 2020-10-14 | Ground wire ice melting and wire changing switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521213U true CN213521213U (en) | 2021-06-22 |
Family
ID=76397322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022280787.5U Active CN213521213U (en) | 2020-10-14 | 2020-10-14 | Ground wire ice melting and wire changing switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521213U (en) |
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2020
- 2020-10-14 CN CN202022280787.5U patent/CN213521213U/en active Active
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