CN210111557U - Direct current ice-melt wire short circuit allies oneself with accuse device - Google Patents

Abstract

The utility model discloses a direct current ice-melt wire short circuit allies oneself with accuse device, it includes three sets of short circuits and controls the device, short circuit allies oneself with accuse device and structure feedback device, the short circuit is controlled the device and is included first bent arm bending apparatus, the bent arm bending apparatus of second, contact short circuit device and fixed connection device, fixed connection device fixes on steel pylons, the bent arm bending apparatus of second is connected with fixed connection device through first bent arm bending apparatus, the tip at the bent arm bending apparatus of second is connected to the contact short circuit device, the short circuit is controlled the device and is used for promoting the wire short circuit work that whole device carries out the direct current ice-melt on steel pylons, the short circuit allies oneself with accuse device and is used for controlling the automatic operation of short circuit control device, structure feedback device is used for keeping watch on the running state that the feedback. The system is relatively simple in structure, safe and reliable, leads are short-circuited for the tower in the icing environment, the direct-current deicing operation can be completed by the system, and a good effect is achieved.

Description

Direct current ice-melt wire short circuit allies oneself with accuse device

Technical Field

The utility model relates to a direct current ice-melt device especially relates to a direct current ice-melt wire short circuit allies oneself with accuse device, belongs to transmission of electricity equipment technical field.

Background

The transmission line is an essential important component in the power system, and plays a role in transmitting and distributing electric energy, and ensuring the stable operation of the transmission line is one of important conditions for maintaining good social and economic development. However, most of the power transmission lines are in the field environment, no special protection measures are provided, various natural factors can damage the power transmission lines, and ice coating of the power transmission lines is one of the power transmission lines.

Line icing can induce wire overload and wire galloping, which can cause wire breakage, hardware damage, tower damage, even continuous collapse of the transmission line and other accidents, and cause great damage to the power grid, thus constituting a huge threat. Since 30 years ago, large-scale icing accidents occur all over the country, wherein the most serious ice and snow disasters in early 2008 are caused, and the operation of power grids in southern provinces is seriously damaged. The existing direct current ice melting wire termination device is time-consuming, labor-consuming and difficult to operate when being manually controlled. The use of a mobile dc iced wire termination device requires consideration of topographical constraints.

At present, the development of an efficient and rapid direct-current deicing wire short-circuit joint control system to ensure the stable operation of a power transmission line is a problem which is urgently needed to be solved in the field of power transmission line operation and maintenance.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a direct current ice-melt wire short circuit allies oneself with accuse device, it is that a structure is simple relatively, safe and reliable, carries out the wire short circuit to the shaft tower under the icing environment to can utilize this system to accomplish direct current ice-melt work, the effectual problem that has solved above-mentioned existence.

The technical scheme of the utility model is that: the utility model provides a direct current ice-melt wire short circuit allies oneself with accuse device, it includes that three sets of short circuits are connected accuse device and structure feedback device, the short circuit is controlled the device and is included first bent arm bending apparatus, second bent arm bending apparatus, contact short circuit device and fixed connection device, and fixed connection device fixes on steel pylons, and second bent arm bending apparatus is connected with fixed connection device through first bent arm bending apparatus, and contact short circuit device connects the tip at second bent arm bending apparatus, the short circuit is controlled the device and is used for promoting whole device to carry out the wire short circuit work of direct current ice-melt on steel pylons, and the short circuit is allied oneself with accuse device and is used for controlling the automatic operation of short circuit controlling the device, and the structure feedback device is used for keeping watch on the running state of feedback short circuit controlling the device.

The fixed connection device comprises a main mounting platform, a fixed disc, a fixing bolt, an isolation insulator, a rod core and a support column, wherein the fixed disc is mounted on the main mounting platform through the fixing bolt, the main mounting platform is connected to the iron tower, the isolation insulator is mounted on the rod core, and the rod core is connected with the fixed disc and is in plug-in connection with the support column to provide support force for the whole system.

The first crank arm bending device comprises a supporting plate, a rotating shaft fixing block, a swinging arm, a fixing shaft, a first lever arm fixing shaft, a fixed U-shaped lantern ring, a first connecting rod, a connecting shaft, a second connecting rod, a hinged support, a push rod control head, a push rod, a wire coil, a stranded wire, a built-in speed reducer, a motor, a rotor and a first crank arm, wherein the rotating shaft fixing block is fixed on two sides of the supporting plate, the supporting plate is fixedly connected to the top end of a supporting column, the swinging arm and the rotating shaft fixing blocks on two sides are connected through a lower connecting hole of the swinging arm by the fixing shaft, the upper part of the swinging arm is fixed with the first lever arm by a connecting hole on the swinging arm, the fixed U-shaped lantern ring is wrapped on the first lever arm fixing shaft to prevent the first lever arm fixing shaft from generating axial displacement, the lower, one end is articulated with No. two connecting rods through a connecting shaft, the connecting shaft can make a connecting rod and No. two connecting rods move in the perpendicular, No. two connecting rod bottoms are articulated with the hinged support, the push rod control head is articulated with the connecting shaft, the push rod promotes the push rod control head to move in the horizontal direction, drive No. two connecting rods, thereby a connecting rod and a fixed U-shaped lantern ring move in the plumb direction to make a first crank arm produce bending motion, the stranded wire passes through the connecting hole and is connected with the push rod, the winding is fixed on the drum, the rotating speed of the built-in speed reducer control rotor of motor installation, the lower part of the first crank arm is connected with a first lever arm fixed shaft, the upper part is connected with a second crank arm bending device.

The second crank arm bending device comprises a first U-shaped fixing plate, a bearing plate, an electric push rod connector, a second U-shaped fixing plate, a rotating shaft, a U-shaped swing arm, a limiting ring, a crank arm limiting rod, a U-shaped swing arm connecting rod, a second crank arm fixing turntable and a second crank arm, wherein the first U-shaped fixing plate is fixedly connected with the end part of the first crank arm, the first U-shaped fixing plate is hinged with the second U-shaped fixing plate through the rotating shaft, the bearing plate is fixed on the upper side of the first U-shaped fixing plate and used for supporting and fixing the electric push rod, one end of the electric push rod connector is connected with the electric push rod, the other end of the electric push rod connector is connected with the U-shaped swing arm connecting rod, the lowest end of the second U-shaped fixing plate is connected through the crank arm limiting rod, the maximum rotation angle of the second U-shaped fixing plate is controlled, the U, the second crank arm fixing turntable is connected with the rotating shaft and is arranged on the side face of the second U-shaped fixing plate, the limiting ring is arranged on the upper portion of the second U-shaped fixing plate through the limiting ring fixing hole, the second crank arm penetrates through the limiting ring and is arranged on the second crank arm fixing turntable, and the limiting ring is used for restraining the motion track of the second crank arm.

The contact blocking short circuit device 6 comprises an H-shaped contact, a spring, a slide block, a contact connecting buckle, a contact supporting platform and a drainage wire, the contact bearing platform is fixedly connected to the end part of the second crank arm, the two parts of the H-shaped contact are hinged through a contact connecting buckle, the upper part of the H-shaped contact adopts a smooth opening to be beneficial to grabbing a wire, the spring is arranged on the lower side of the H-shaped contact, when the H-shaped contact is in short circuit with the wire, the H-shaped contact is provided with grasping force, the sliding block is arranged on the contact bearing platform and is connected with the lower end of the H-shaped contact, the contact bearing platform is provided with a groove, can be used for the lower side of the H-shaped contact to slide, the slide block is connected with a current-guiding lead for guiding short-circuit current, the lead is arranged in the second crank arm and is led out from the second crank arm fixing turntable, and three-phase interconnection of the drainage wires is carried out at the positions of the cross arm insulators arranged on the cross arms of the transmission tower and the second crank arm fixing turntables of the upper layer and the lower layer.

The utility model has the advantages that: compared with the prior art, adopt the technical scheme of the utility model, the utility model discloses a collect the combination of technologies such as mechatronics, mechanical transmission, compare with current wire short circuit technology and have following advantage:

1. the automatic operation can be realized, the short circuit speed is high, and the time and the labor are saved;

2. the joint control short circuit technology can realize the mutual short circuit of a plurality of lines;

3. the automation degree is high, the tower climbing operation of constructors is avoided, and the life safety of the constructors is ensured;

4. the size of the crank arm is prolonged, and the short circuit of the wires can be carried out on different types of transmission towers;

5. carrying out safety early warning on the system structure;

6. simple and reasonable structure, reliable performance, convenient maintenance and low manufacturing difficulty.

Drawings

Fig. 1 is a schematic view of the installation of the utility model on a power transmission tower;

fig. 2 is a schematic structural view of the short circuit operation device of the present invention;

fig. 3 is a schematic structural view of a first crank arm bending device of the present invention;

FIG. 4 is a schematic structural view of the fixing and connecting device of the present invention;

fig. 5 is a first structural schematic view of a second crank arm bending device according to the present invention;

fig. 6 is a second schematic structural view of a second crank arm bending device according to the present invention;

fig. 7 is a schematic structural view of the contact shorting device of the present invention;

fig. 8 is a circuit diagram of the short circuit joint control device of the present invention;

fig. 9 is a schematic flow chart of the structure feedback device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in the attached drawings 1-9, the direct current ice melting wire short-circuit joint control device comprises three sets of short-circuit control devices 1, a short-circuit joint control device and a structure feedback device, wherein each short-circuit control device 1 comprises a first crank arm bending device 4, a second crank arm bending device 5, a contact short-circuit device 6 and a fixed connection device 7, the fixed connection device 7 is fixed on a power transmission tower, the second crank arm bending device 5 is connected with the fixed connection device 7 through the first crank arm bending device 4, the contact short-circuit device 6 is connected to the end portion of the second crank arm bending device 5, the short-circuit control device 1 is used for pushing the whole device to perform direct current ice melting wire short-circuit work on the power transmission tower, the short-circuit joint control device is used for controlling the automatic operation of the short-circuit control device 1, and the structure feedback device is used for monitoring the operation state of the feedback short-circuit control.

The first crank arm bending device 4 and the second crank arm bending device 5 provide ascending and bending power, the system is controlled to move to obtain the optimal position, and the whole system can be ensured to carry out wire termination on the power transmission iron tower.

Further, the fixed connection device 7 comprises a main mounting platform 48, a fixed disc 49, a fixed bolt 50, an isolation insulator 51, a rod core 52 and a support column 53, wherein the fixed disc 49 is mounted on the main mounting platform 48 through the fixed bolt 50, the main mounting platform 48 is connected to the iron tower, the isolation insulator 51 is mounted on the rod core 52, and the rod core 52 is connected with the fixed disc 49 and is in plug-in connection with the support column 53 to provide a support force for the whole system.

Further, the first crank arm bending device 4 comprises a support plate 8, a rotating shaft fixing block 9, a swing arm 10, a fixing shaft 13, a first lever arm fixing shaft 14, a fixing U-shaped lantern ring 15, a first connecting rod 16, a connecting shaft 17, a second connecting rod 18, a hinged support 19, a push rod control head 20, a push rod 21, a wire coil 22, a twisted wire 23, a built-in speed reducer 24, a motor 25, a rotor 26 and a first crank arm 28, wherein the rotating shaft fixing block 9 is fixed on two sides of the support plate 8, the support plate 8 is fixedly connected to the top end of a support column 53, the swing arm 10 is connected with the rotating shaft fixing block 9 on two sides through a swing arm lower connecting hole 12 by the fixing shaft 13, the upper part of the swing arm 10 is fixed with the first lever arm fixing shaft 14 through a swing arm upper connecting hole 11, the fixing U-shaped lantern ring 15 is wrapped on the first lever arm 14 to prevent the first, but the fixed shaft 13 can be kept to rotate, one end of the first connecting rod 16 is fixed on the fixed U-shaped sleeve ring 15, the other end is hinged with the second connecting rod 18 through the connecting shaft 17, the connecting shaft 17 can enable the first connecting rod 16 and the second connecting rod 18 to move on the vertical plane, the bottom of the second connecting rod 18 is hinged with the hinged support 19, the push rod control head 20 is hinged with the connecting shaft 17, the push rod 21 pushes the push rod control head 20 to move in the horizontal direction to drive the second connecting rod 18, the first connecting rod 16 and the fixed U-shaped sleeve 15 move in the plumb direction to make the first crank arm 28 generate bending motion, the twisted wire 23 is connected with the push rod 21 through the connecting hole 27, wound and fixed on the wire coil 22, the motor 25 is provided with the built-in speed reducer 24 to control the rotating speed of the rotor 26, the lower part of the first crank arm 28 is connected with the first lever arm fixing shaft 14, the upper part is connected with the second crank arm bending device 5, and the motor 25 is connected to the main mounting platform 48.

Further, the second crank arm bending device 5 comprises a first U-shaped fixing plate 29, a supporting plate 30, an electric push rod 31, an electric push rod connector 32, a second U-shaped fixing plate 33, a rotating shaft 34, a U-shaped swing arm 35, a limiting ring 36, a crank arm limiting rod 38, a U-shaped swing arm connecting rod 39, a second crank arm fixing turntable 40 and a second crank arm 41, wherein the first U-shaped fixing plate 29 is fixedly connected to the end of the first crank arm 28, the first U-shaped fixing plate 29 is hinged to the second U-shaped fixing plate 33 through the rotating shaft 34, the supporting plate 30 is fixed on the upper side of the first U-shaped fixing plate 29 for supporting and fixing the electric push rod 31, one end of the electric push rod connector 32 is connected to the other end of the electric push rod 31 and connected to the U-shaped swing arm connecting rod 39, the lowest end of the second U-shaped fixing plate 33 is connected through the crank arm limiting rod 38 to control the maximum rotation angle of the second U, the electric push rod 31 pushes the electric push rod connector 32, the U-shaped swing arm connecting rod 39 drives the U-shaped swing arm 35 to rotate on the vertical plane, the second crank arm fixing turntable 40 is connected with the rotating shaft 34 and is installed on the side face of the second U-shaped fixing plate 33, the limiting ring 36 is installed on the upper portion of the second U-shaped fixing plate 33 through the limiting ring fixing hole 37, the second crank arm 41 penetrates through the limiting ring 36 and is installed on the second crank arm fixing turntable 40, and the limiting ring 36 is used for restraining the movement track of the second crank arm 41.

Further, the contact-blocking short-circuit device 6 comprises an H-shaped contact 42, a spring 43, a slider 44, a contact engaging buckle 45, a contact supporting platform 46 and a current-guiding wire 47, wherein the contact supporting platform 46 is fixedly connected to the end of the second curved arm 41, two parts of the H-shaped contact 42 are hinged through the contact engaging buckle 45, the upper part of the H-shaped contact 42 adopts a smooth opening to facilitate wire grabbing, the spring 43 is installed on the lower side of the H-shaped contact 42 to provide grabbing force for the H-shaped contact 42 when the H-shaped contact 42 is short-circuited with a wire, the slider 44 is installed on the contact supporting platform 46 and connected with the lower end of the H-shaped contact 42, the contact supporting platform 46 is provided with a groove for the lower side of the H-shaped contact 42 to slide, the slider 44 is connected with the current-guiding wire 47 to guide short-circuit current, the wire 47 is arranged in the second curved arm 41 and led out from the second curved arm fixing turntable 40, and is led out of the three wires 47 through a cross arm insulator installed on a cross arm of a power transmission tower and the Are connected to each other.

Furthermore, the short circuit joint control device is used for controlling the short circuit control device 1, and the wire short circuit work of direct current ice melting on the power transmission iron tower is realized.

The short-circuit joint control device comprises a first motor 55, a second motor 56, a third motor 57, a first thermal relay 58, a second thermal relay 59, a third thermal relay 60, a first contactor main contact 61, a second contactor main contact 62, a third contactor main contact 63, a main circuit protection fuse 64, a power switch 65, a work indicator lamp 66, an auxiliary circuit protection fuse 67, a thermal relay auxiliary normally closed contact 68, a first motor forward rotation starting button 69, a first forward rotation interlocking contact 70, a first forward rotation contactor coil 71, a first forward rotation self-locking contact 72, a first motor reverse rotation starting button 73, a first reverse rotation interlocking contact 74, a first reverse rotation contactor coil 75, a first reverse rotation self-locking contact 76, a second motor forward rotation starting button 77, a second forward rotation interlocking contact 78, a second forward rotation contactor coil 79, a first forward rotation self-locking contact 80, a second reverse rotation interlocking contact 80, a third thermal relay 59, a third thermal relay 60, a first contactor, A second motor reverse rotation start button 81, a second reverse rotation interlock contact 82, a second reverse rotation contactor coil 83, a second reverse rotation self-locking contact 84, a third motor forward rotation start button 85, a third forward rotation interlock contact 86, a third forward rotation contactor coil 87, a third forward rotation self-locking contact 88, a third motor reverse rotation start button 89, a third reverse rotation interlock contact 90, a third reverse rotation contactor coil 91 and a third reverse rotation self-locking contact 92.

First thermal relay 58, second thermal relay 59, and third thermal relay 60 protect the motor from overcurrent. The main circuit protection fuse 64 performs short-circuit protection on the main circuit, the sub-circuit protection fuse 67 performs short-circuit protection on the sub-circuit, the thermal relay auxiliary normally closed contact 68 performs an overload protection function on the motor, and the power switch 65 performs a power isolation function. The operation indicator lamp 66 is used to observe whether the motor is in an operating state.

Pressing power switch 65 energizes the main circuit, pressing motor forward start button 69 opens the first reverse interlock contact 74 to interlock the first reverse contact coil 75, energizing the first forward contactor coil 71, closing the first contactor main contact 61, drawing power to the motor, and rotating the first motor 55 forward. The self-locking action of the first forward rotation self-locking contact 72 ensures that the first motor 55 continuously rotates forward. Pressing the motor reverse start button 73 opens the forward interlock contact 70 to interlock the forward contact coil 71, the reverse contactor coil 75 is energized, the contactor main contact 61 is closed to provide power to the motor, and the motor 55 reverses. The self-locking action of the reverse rotation number one self-locking contact 76 ensures that the reverse rotation of the motor number one 55 continues.

Pressing the forward start button 77 of the second motor firstly breaks the second reverse interlocking contact 82 to interlock the second reverse contact coil 83, the second forward contactor coil 79 is electrified, the second contactor main contact 62 is closed to introduce power to the motor, and the second motor 56 rotates forward. The self-locking action of the second forward rotation self-locking contact 80 ensures that the first motor 56 rotates forward continuously. Pressing the second motor reverse start button 81 firstly opens the second forward interlocking contact 78 to interlock the second forward contact coil 79, the second reverse contactor coil 75 is energized, the second contactor main contact 62 is closed to introduce power to the motor, and the second motor 56 rotates reversely. The self-locking action of the second reverse rotation self-locking contact 84 ensures that the second motor 56 continuously reverses.

Pressing the forward rotation start button 85 of the third motor firstly breaks the reverse rotation interlocking contact 90 to interlock the reverse rotation contact coil 91, the coil 87 of the forward rotation contactor is electrified, the main contact 63 of the forward rotation contactor is closed to lead power to the motor, and the third motor 57 rotates forward. The self-locking action of the third forward rotation self-locking contact 88 ensures that the third motor 57 continuously rotates forward. Pressing the third motor reverse start button 89 firstly breaks the third forward interlocking contact 86 to interlock the third forward contact coil 87, the third reverse contactor coil 91 is electrified, the third contactor main contact 63 is closed to lead power to the motor, and the third motor 57 reversely rotates. The self-locking action of the third reverse rotation self-locking contact 92 ensures that the third motor 57 continuously reverses.

The structure feedback device is used for monitoring the position of the iced conductor so as to facilitate the short circuit work of the conductor and the detection and feedback of the structural safety of the whole system.

The structure feedback device comprises a visual camera 93, a stress sensor 94, an acceleration sensor 95, a signal collecting device 96, an alarm device 97 and a signal processing module 98.

The visual camera 93 is installed on the upper portion of the second U-shaped fixing plate 33 and used for monitoring the position of the iced conductor, and the whole system is controlled to conduct accurate short-circuit work on the conductor conveniently. The stress sensor 94 and the acceleration sensor 95 are mounted on the first crank arm 28 and the support column 53 so as to monitor the stress value and the acceleration value of the important position of the system, the signal collection module 96 collects the stress value and the acceleration value and transmits the stress value and the acceleration value to the signal processing module 98, and when the stress value and the acceleration value of the system exceed the design range, the stress value and the acceleration value are transmitted to the alarm device 97 and send out an alarm signal, so that the safe and stable operation of the system is ensured.

The utility model discloses a working process does:

firstly, all components of the system are well installed and connected and are fixed on the side surface of the power transmission iron tower through the main installation platform. The starting motor controls the first crank arm bending device to move on the vertical plane, and the proper position is adjusted. The electric push rod is started to control the first crank arm bending device to move on the vertical plane, and the camera can be adjusted to be in a proper position by means of the structural feedback device. And the motor and the electric push rod are controlled in a combined mode, and the contact short-circuit device is in short circuit with the ice-coated wire. And the short circuit operation among the three lines is carried out by the short circuit joint control device. When wind load exists, the structure form is regulated and controlled according to the structure feedback device to ensure the safe operation of the system.

The working process of the short circuit control device 1, the short circuit joint control device and the structure feedback device is briefly described by using fig. 1 to 9 by taking a drum-shaped power transmission iron tower as an example:

firstly, all components of the system are well installed and connected and are fixed on the side surface of the power transmission iron tower through the main installation platform. The power supply is started. The iced conductor position is monitored by means of a visual camera 93. The motor is started to rotate forward, the first crank arm bending device 4 is controlled to move on the vertical plane, the rotor 26 drives the wire coil 22 to rotate, the stranded wire 23 is wound on the wire coil 23, and the push rod 21 is pulled. The push rod 21 pushes the push rod control head 20 to move in the horizontal direction, and at this time, the push rod control head 20 pulls the connecting shaft 17 to move downwards. The connecting shaft 17 can enable the first connecting rod 16 and the second connecting rod 18 to move around the hinge support 19 in the vertical plane. The upper part of the swing arm 10 is fixed with a first lever arm fixing shaft 14 through a swing arm upper connecting hole 11, and a fixing U-shaped lantern ring 15 wraps the first lever arm fixing shaft 14 to drive a first crank arm 28 to rotate on a fixing shaft 13 through a swing arm lower connecting hole 12. The first crank arm 28 rotates through an angle not exceeding 90 degrees. The motor is started to rotate reversely, the first crank arm bending device 4 is controlled to move in a vertical plane, the motor rotates reversely to release the stranded wire 23, and the first crank arm bending device 4 moves downwards under the action of gravity. The first crank bending device 4 is controlled to stop the motor when in the proper position.

And starting the electric push rod to control the second crank arm bending device 5 to move on a vertical plane, wherein when the electric push rod 31 extends, the electric push rod connector 32 pushes the U-shaped swing arm connecting rod 39, and the U-shaped swing arm connecting rod 39 drives the rotating shaft 34 to rotate. The second crank arm fixing rotary disc 40 is connected with the rotating shaft 34 and is arranged on the side surface of the second U-shaped fixing plate 33. The rotation shaft 34 rotates to drive the second crank arm fixing turntable 40 to rotate on the vertical plane, the limit ring 36 is mounted on the upper portion of the second U-shaped fixing plate 33 through the limit ring fixing hole 37, the second crank arm 41 penetrates through the limit ring 36 and is mounted on the second crank arm fixing turntable 40, and when the second crank arm 41 rotates, the limit ring 36 can control the maximum rotation angle of the second crank arm 41. The electric push rod 31 is contracted and self gravity is utilized to complete the rotary motion of the second crank arm bending device 5, the lowest end of the second U-shaped fixing plate 33 is connected through the crank arm limiting rod 38, and the maximum rotary angle of the second U-shaped fixing plate 33 is controlled. And adjusting the rotation motion of the first crank arm bending device 4 and the second crank arm bending device 5 to find the optimal position for the short circuit of the ice-coated wire.

When the H-shaped contact 42 is short-circuited with the conductor, the contact support platform 46 slides in the groove, the spring 43 is in a stretching state, and the ice-coated conductor is fixed in the H-shaped contact 42 by using the elastic force. The slide block 44 is connected to the drain conductor 47 and led out of the second crank arm fixing turntable 40, and the drain conductor 47 is connected to the second crank arm fixing turntable 40 through a cross arm insulator 54 mounted on a cross arm of the transmission tower. The short circuit control device 1 is controlled to short circuit the ice-coated wire by controlling the short circuit joint control device 2 to start and close the motor and the electric push rod. Stress sensor 94 and acceleration sensor 95 monitor the stress value and the acceleration value of the important position of system, and signal collection module 96 collects the stress value and the acceleration value, and transmits them to signal processing module 98, and when the stress value and the acceleration value of the system exceed the design range, the stress value and the acceleration value are transmitted to alarm device 97 and send out an alarm signal, so as to ensure the safe and stable operation of the system.

The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1. A direct current ice-melt wire short circuit allies oneself with accuse device which characterized in that: it comprises three sets of short-circuit control devices (1), a short-circuit joint control device and a structure feedback device, the short circuit control device (1) comprises a first crank arm bending device (4), a second crank arm bending device (5), a contact short circuit device (6) and a fixed connecting device (7), the fixed connecting device (7) is fixed on the power transmission iron tower, the second crank arm bending device (5) is connected with the fixed connecting device (7) through the first crank arm bending device (4), the contact short circuit device (6) is connected to the end part of the second crank arm bending device (5), the short circuit control device (1) is used for pushing the whole device to conduct wire short circuit work of direct current ice melting on the power transmission iron tower, the short circuit joint control device is used for controlling automatic operation of the short circuit control device (1), and the structure feedback device is used for monitoring and feeding back the operation state of the short circuit control device (1).

2. The direct current ice melting wire short-circuit joint control device according to claim 1, characterized in that: fixed connection device (7) include main mount table (48), fixed disc (49), fixing bolt (50), isolation insulator (51), excellent core (52) and support column (53), install on main mount table (48) fixed disc (49) through fixing bolt (50), main mount table (48) are connected to on the iron tower, and isolation insulator (51) are installed on excellent core (52), and excellent core (52) are connected with fixed disc (49) to carry out plug-in connection with support column (53) and provide the holding power for whole system.

3. The direct current ice melting wire short-circuit joint control device according to claim 1, characterized in that: the first crank arm bending device (4) comprises a supporting plate (8), rotating shaft fixing blocks (9), a swing arm (10), a fixing shaft (13), a first lever arm fixing shaft (14), a fixed U-shaped lantern ring (15), a first connecting rod (16), a connecting shaft (17), a second connecting rod (18), a hinged support (19), a push rod control head (20), a push rod (21), a wire coil (22), a stranded wire (23), a built-in speed reducer (24), a motor (25), a rotor (26) and a first crank arm (28), wherein the rotating shaft fixing blocks (9) are fixed on two sides of the supporting plate (8), the supporting plate (8) is fixedly connected to the top end of a supporting column (53), the swing arm (10) is connected with the rotating shaft fixing blocks (9) on two sides through a swing arm lower connecting hole (12) of the swing arm (13), the upper portion of the swing arm (10) is fixed with the first fixing shaft, the fixed U-shaped lantern ring (15) is wrapped on the first lever arm fixing shaft (14) to prevent the first lever arm fixing shaft (14) from generating axial displacement, the lower part of the fixed U-shaped lantern ring (15) is wrapped on the fixing shaft (13), but the fixing shaft (13) is kept to rotate, one end of a first connecting rod (16) is fixed on the fixed U-shaped lantern ring (15), one end of the first connecting rod (16) is hinged with a second connecting rod (18) through a connecting shaft (17), the first connecting rod (16) and the second connecting rod (18) can move on a vertical plane through the connecting shaft (17), the bottom of the second connecting rod (18) is hinged with a hinged support (19), a push rod control head (20) is hinged with the push rod (17), and a push rod (21) pushes the push rod connecting shaft (20) to move in the horizontal direction to drive the second connecting rod (18), the first connecting rod (16) and the fixed U-shaped lantern ring (15) to move in the plumb direction to enable, the stranded wire (23) is connected with the push rod (21) through a connecting hole (27), wound and fixed on a wire coil (22), a built-in speed reducer (24) is installed on a motor (25) to control the rotating speed of a rotor (26), the lower portion of a first crank arm (28) is connected with a first lever arm fixing shaft (14), the upper portion of the first crank arm is connected with a second crank arm bending device (5), and the motor (25) is connected to a main installation platform (48).

4. The direct current ice melting wire short-circuit joint control device according to claim 1, characterized in that: the second crank arm bending device (5) comprises a first U-shaped fixing plate (29), a bearing plate (30), an electric push rod (31), an electric push rod connector (32), a second U-shaped fixing plate (33), a rotating shaft (34), a U-shaped swing arm (35), a limiting ring (36), a crank arm limiting rod (38), a U-shaped swing arm connecting rod (39), a second crank arm fixing turntable (40) and a second crank arm (41), wherein the first U-shaped fixing plate (29) is fixedly connected to the end part of the first crank arm (28), the first U-shaped fixing plate (29) is hinged to the second U-shaped fixing plate (33) through the rotating shaft (34), the bearing plate (30) is fixed to the upper side of the first U-shaped fixing plate (29) and used for supporting and fixing the electric push rod (31), one end of the electric push rod connector (32) is connected with the other end of the electric push rod (31) and connected with the U-shaped, the lowest end of a second U-shaped fixing plate (33) is connected through a crank arm limiting rod (38), the maximum rotation angle of the second U-shaped fixing plate (33) is controlled, a U-shaped swing arm (35) is installed at the center of a rotating shaft (34), an electric push rod (31) pushes an electric push rod connector (32), a U-shaped swing arm connecting rod (39) drives the U-shaped swing arm (35) to rotate on the vertical plane, a second crank arm fixing turntable (40) is connected with the rotating shaft (34) and installed on the side face of the second U-shaped fixing plate (33), a limiting ring (36) is installed on the upper portion of the second U-shaped fixing plate (33) through a limiting ring fixing hole (37), a second crank arm (41) penetrates through the limiting ring (36) and is installed on the second crank arm fixing turntable (40), and the limiting ring (36) is used for restraining the motion track of the second crank arm (41).

5. The direct current ice melting wire short-circuit joint control device according to claim 1, characterized in that: the contact short-circuit device (6) comprises an H-shaped contact (42), a spring (43), a sliding block (44), a contact connecting buckle (45), a contact supporting platform (46) and a drainage wire (47), wherein the contact supporting platform (46) is fixedly connected to the end part of the second crank arm (41), the two parts of the H-shaped contact (42) are hinged through the contact connecting buckle (45), the upper part of the H-shaped contact (42) adopts a smooth opening to be beneficial to grabbing the wire, the spring (43) is installed on the lower side of the H-shaped contact (42), grabbing force is provided for the H-shaped contact (42) when the H-shaped contact (42) is short-circuited with the wire, the sliding block (44) is installed on the contact supporting platform (46) and is connected with the lower end of the H-shaped contact (42), the contact supporting platform (46) is provided with a groove for sliding the lower side of the H-shaped contact (42), and the sliding block (44) is connected with the drainage wire (47) to guide short, the drainage lead (47) is arranged in the second crank arm (41) and led out from the second crank arm fixing turntable (40), and the drainage lead (47) is connected with the three phases of the drainage lead (47) at the second crank arm fixing turntable (40) of the upper layer and the lower layer through a cross arm insulator arranged on a cross arm of the power transmission tower.

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