Cable-stayed string ground wire ice melting automatic wiring device and use method thereof

Abstract

The application discloses a kind of cable-stayed ground wire ice melting automatic wiring device and its using method, including the transmission mechanism being arranged below the first cross arm platform of iron tower, open-close conductor, two groups of cable-stayed insulator string, cable-stayed power taker and the electrical control system being arranged below the ground of iron tower;The output end of transmission mechanism is provided with flange, open-close conductor is connected on flange, open-close conductor one end is connected with electrical control system, the other end is adjustable contact;The both sides of first cross arm platform are provided with a connection hanging point hole, the both sides of cable-stayed power taker are provided with second connection hanging point hole, cable-stayed insulator string one end is installed and connected with the a connection hanging point hole of first cross arm platform, the other end is installed and connected with the second connection hanging point hole of cable-stayed power taker empty;Cable-stayed power taker is connected with jumper string, the other end of jumper string is connected with one end of iron tower.The device of the application improves the support force of jumper string when adjustable contact of open-close conductor and contact finger of cable-stayed power taker cooperate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ice melting technology of extra-high voltage direct current transmission lines, in particular to a cable-stayed string type ground wire ice melting automatic wiring device and a use method thereof. BACKGROUND

[0002] In cold winter, some transmission lines in the southern region of China are prone to icing. Uneven icing on the conductor and ground wire can cause the tower to tilt or bend, and when the design bearing capacity is exceeded, the conductor and ground wire will be broken, the fittings will fall off, and in severe cases, the tower will collapse. Since the overhead ground wire cannot resist part of the freezing through the heat generated by the load current like the conductor, its ice thickness is generally much higher than that of the transmission conductor.

[0003] In the prior art, as the number of ground wire ice melting automatic wiring devices increases, the types of towers on which the devices are installed also gradually increase, especially in 220kV and below transmission line projects, the towers on which the ground wire ice melting automatic wiring devices are installed have the following situations: (1) the self-weight of the jumper string is relatively light; (2) due to the small design load of the tower, the jumper string cannot increase the weight too much.

[0004] For the tower type in which the jumper string is relatively light and the jumper string place of the tower cannot increase the weight too much, the jumper does not have enough self-weight to support the thrust of the open-close conductor of the side-combined device. Therefore, according to the structural characteristics of the light jumper string, the present application develops a cable-stayed string type ground wire ice melting automatic wiring device applied to 110kV-220kV. SUMMARY

[0005] (I) Technical problems solved

[0006] In view of the shortcomings of the prior art, the present application provides a cable-stayed string type ground wire ice melting automatic wiring device and a use method thereof, which is designed according to the structural characteristics of the tower type in which the jumper string is relatively light and the jumper string place of the tower cannot increase the weight too much. The transmission mechanism is installed below the first cross arm platform of the tower, the cable-stayed insulator string is arranged, the transmission mechanism and the cable-stayed power take-off device are connected, and the weight plate is arranged on the cable-stayed power take-off device, thereby solving the technical problem that the jumper string does not have enough self-weight to support the thrust when the contact of the open-close conductor cooperates with the contact finger of the cable-stayed power take-off device, and the instability of the wiring between the ground wire and the conductor.

[0007] (II) Technical solutions

[0008] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a cable-stayed string type ground wire ice melting automatic wiring device, comprising a transmission mechanism arranged below a first cross arm platform of a tower, an open-close conductor, two groups of cable-stayed insulator strings, a cable-stayed power take-off device, and an electrical control system arranged on the ground below the tower.

[0009] The output end of the transmission mechanism is provided with a flange plate, and an opening and closing conductor is connected to the flange plate, one end of the opening and closing conductor is connected with the electrical control system, and the other end is an adjustable contact; one side of the first cross arm platform is provided with a first connecting hanging point hole, and the other side of the cable-stayed power taking device is provided with a second connecting hanging point hole; one end of the cable-stayed insulator string is connected with the first connecting hanging point hole of the first cross arm platform, and the other end is connected with the second connecting hanging point hole of the cable-stayed power taking device; the cable-stayed power taking device is connected with a jumper string, and the other end of the jumper string is connected with one end of the iron tower.

[0010] Further, the cable-stayed insulator string comprises a first hanging point fitting, the first hanging point fitting is connected with a ring-shaped connecting fitting, the ring-shaped connecting fitting is connected with an insulator, the insulator is connected with a groove-shaped connecting fitting, and the groove-shaped connecting fitting is connected with a second hanging point fitting; the first hanging point fitting is connected with the first connecting hanging point hole, and the second hanging point fitting is connected with the second connecting hanging point hole.

[0011] Further, the cable-stayed power taking device comprises a power taking device support, a contact seat, a wire bundle, a plurality of counterweight pieces, and a suspension clamp; the contact seat is installed on the power taking device support, the contact seat is provided with a contact finger, the contact finger is connected with the wire bundle, the counterweight pieces are symmetrically installed on both sides of the power taking device support, the cable-stayed power taking device is installed on the jumper string through the suspension clamp, and the wire bundle is connected with the jumper string; the contact seat is three-arc-shaped, and the adjustable contact of the opening and closing conductor is clamped in the contact seat when the switch is closed.

[0012] Further, the electrical control system is connected with a ground wire, and comprises a control box, a direct current power supply, a power line, a signal line, a wire locking cabinet and a control panel; the control box is connected with the joints of the direct current power supply, the power line and the signal line, respectively, the other joints of the power line and the signal line are connected into the transmission mechanism along the tower body, and the control panel comprises a “closing” button and a “opening” button.

[0013] Further, the wire locking cabinet is arranged on the first cross arm of the iron tower close to the ground, and the power line and the signal line are disconnected when not in use and then stored in the wire locking cabinet.

[0014] Further, the transmission mechanism comprises a direct current motor, a motor protective cover and a manual control crank, the electrical control system realizes the closing and opening of the opening and closing conductor by controlling the forward rotation and reverse rotation of the direct current motor; and the manual control crank can be used for artificial closing and opening.

[0015] Further, the transmission mechanism comprises a turbine rod speed reducer with self-locking function, so that the opening and closing conductor always maintains a thrust state after closing.

[0016] Further, the tower further comprises a second cross arm platform, and a protective cover is installed on the second cross arm platform, the protective cover is located below the tower body and on one side of the transmission mechanism.

[0017] Further, the protective cover comprises a position limiter and a protective lock.

[0018] A method for using a cable ice melting automatic connecting device of a cable-stayed ground wire, comprising the following steps:

[0019] Step 1: when installing the transmission mechanism, the transmission mechanism is installed below the first cross arm platform of the tower through a special fixture, is located inside the jumper wire string, the opening and closing conductor is hung to the transmission mechanism, and is connected with the output end flange plate of the transmission mechanism through bolts; two cable-stayed insulators are hung on the first connecting hanging point holes on the two sides of the cross arm platform and the second connecting hanging point holes of the cable-stayed power taker, and the cable-stayed power taker is installed together with the jumper wire string through a suspension wire clamp, so that the plurality of hinged wire clamps tightly hold the wire bundle.

[0020] Step 2: the power supply wire and the signal wire are taken out from the wire locking cabinet, are connected with the control box, are arranged along the tower body through a special wire clamping device, and are protected by the motor protective cover.

[0021] Step 3: when debugging before ice melting, the position of the transmission mechanism is finely adjusted according to the downward rotation of the opening and closing conductor driven by the transmission mechanism to the closed position, so that the adjustable contact and the contact finger can be effectively matched; the position of the protective cover is finely adjusted according to the upward rotation of the opening and closing conductor driven by the transmission mechanism to the open position, so that the adjustable contact of the opening and closing conductor can be effectively protected from rain, snow and ice.

[0022] Step 4: when melting ice, the “closed” button of the electrical control system is pressed, the transmission mechanism drives the opening and closing conductor to rotate downward from the protective cover and to the cable-stayed power taker; after the adjustable contact of the opening and closing conductor is matched with the contact finger of the cable-stayed power taker, the opening and closing conductor is closed, the motor stops working, the wire is connected with the ground wire, the automatic connection is realized, and the ice melting is realized.

[0023] Step 5: after the ice melting is completed, the “open” button of the electrical control system is pressed, the transmission mechanism drives the opening and closing conductor to rotate upward and to be separated from the cable-stayed power taker, when the opening and closing conductor reaches the protective cover, the position limiter is started, the direct current motor stops working, the opening and closing conductor stops, and the protective lock is closed, so that the adjustable contact of the opening and closing conductor is completely covered in the protective cover and is protected from rain and snow.

[0024] (Three) beneficial effects

[0025] Compared with the prior art, the application provides a cable-stayed string type ground wire ice melting automatic wiring device and a use method thereof, and has the following beneficial effects:

[0026] 1. By installing the transmission mechanism below the first cross arm platform of the iron tower, setting the cable-stayed insulator string, connecting the transmission mechanism and the cable-stayed power taker, and setting the counterweight piece on the cable-stayed power taker, the push resistance of the jumper string connected with the cable-stayed power taker is increased, the support force of the jumper string when the adjustable contact of the opening and closing conductor is matched with the contact finger of the cable-stayed power taker is improved, and the technical problem that the jumper string does not have enough weight to support the push force when the adjustable contact of the opening and closing conductor is matched with the contact finger of the cable-stayed power taker, resulting in unstable automatic wiring of the ground wire and the conductor and normal closing for ice melting is solved.

[0027] 2. By setting the protective cover, when the device stops working, the adjustable contact of the opening and closing conductor is covered in the protective cover, rain and snow can be effectively prevented, and the reliability of the device is improved.

[0028] 3. The device sets the manual control crank under the motor protective cover in the transmission mechanism, when the electrical control system fails, the staff can go to the tower to the transmission mechanism, operate the manual control crank, and manually close and open, a backup operation scheme is provided, the stability of the device under the sudden situation is greatly improved, and further guarantee is provided for successful closing and opening of the device. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a front view and a left view of a split position state of the cable-stayed string type ground wire ice melting automatic wiring device.

[0030] Figure 2 It is a front view and a left view of a closing position state of the cable-stayed string type ground wire ice melting automatic wiring device.

[0031] Figure 3 It is a plan view of the split position state of the cable-stayed string type ground wire ice melting automatic wiring device.

[0032] Figure 4 It is a front view of the cable-stayed power taker of the cable-stayed string type ground wire ice melting automatic wiring device.

[0033] Figure 5 It is a plan view of the cable-stayed power taker of the cable-stayed string type ground wire ice melting automatic wiring device.

[0034] Figure 6 It is a front view of the cable-stayed insulator string of the cable-stayed string type ground wire ice melting automatic wiring device.

[0035] Figure 7 It is aFigure 1 a local enlarged view of

[0036] Figure 8 a local enlarged view of Figure 2 a local enlarged view of

[0037] Figure 9 a local enlarged view of Figure 3 a local enlarged view of

[0038] In the figure: 1, iron tower; 2, first cross arm platform; 3, transmission mechanism; 4, first connecting hanging point hole; 5, protective cover; 6, jumper string; 7, open and close conductor; 8, cable-stayed insulator string; 801, first hanging point fitting; 802, ring-shaped connecting fitting; 803, insulator; 804, groove-shaped connecting fitting; 805, second hanging point fitting; 9, cable-stayed power taker; 901, power taker support; 902, contact seat; 903, wire bundle; 904, counterweight piece; 905, overhanging wire clamp; 906, contact finger; 10, electrical control system; 11, adjustable contact; 12, second connecting hanging point hole; 13, second cross arm platform. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] Embodiment 1, please refer to Figures 1-9 A cable-stayed string type ground wire ice melting automatic wiring device, comprising a transmission mechanism 3, an open and close conductor 7, two groups of cable-stayed insulator strings 8, a cable-stayed power taker 9 and an electrical control system 10 arranged on the ground below the iron tower 1; the output end of the transmission mechanism 3 is provided with a flange plate, and the open and close conductor 7 is connected to the flange plate; one end of the open and close conductor 7 is connected with the electrical control system 10, and the other end is an adjustable contact 11; a first connecting hanging point hole 4 is arranged on the two sides of the first cross arm platform 2, and a second connecting hanging point hole 12 is arranged on the two sides of the cable-stayed power taker 9; one end of the cable-stayed insulator string 8 is connected with the first connecting hanging point hole 4 of the first cross arm platform 2, and the other end is connected with the second connecting hanging point hole 12 of the cable-stayed power taker 9; the cable-stayed power taker 9 is connected with the jumper string 6, and the other end of the jumper string 6 is connected with one end of the iron tower 1. The iron tower 1 further comprises a second cross arm platform 13, and the protective cover 5 is arranged on the second cross arm platform 13; the protective cover 5 is arranged below the tower body side and on one side of the transmission mechanism 3; the protective cover 5 comprises a stopper and a protection lock.

[0041] Specifically, the cable-stayed insulator string 8 includes a first hanging point fitting 801, the first hanging point fitting 801 being connected with a ring-shaped connecting fitting 802, the ring-shaped connecting fitting 802 being connected with an insulator 803, the insulator 803 being connected with a groove-shaped connecting fitting 804, and the groove-shaped connecting fitting 804 being connected with a second hanging point fitting 805; the first hanging point fitting 801 is connected with the first connecting hanging point hole 4, and the second hanging point fitting 805 is connected with the second connecting hanging point hole 12.

[0042] Specifically, the cable-stayed power taker 9 includes a power taker support 901, a contact seat 902, a wire bundle 903, a plurality of counterweight pieces 904, and a suspension clamp 905; the contact seat 902 is installed on the power taker support 901, the contact seat 902 is provided with a contact finger 906, the contact finger 906 is connected with the wire bundle 903, the counterweight pieces 904 are symmetrically installed on both sides of the power taker support 901, the cable-stayed power taker 9 is installed on the jumper string 6 through the suspension clamp 905, and the wire bundle 903 is connected with the jumper string 6; the contact seat 902 is in a three-side arc shape, and the adjustable contact 11 of the opening and closing conductor 7 is clamped in the contact seat 902 during closing.

[0043] Specifically, the electrical control system 10 is connected with the ground wire and includes a control box, a direct current power supply, power lines, signal lines, a lock wire cabinet, and a control panel; the control box is connected with the joints of the direct current power supply, the power lines, and the signal lines, respectively, another joint of the power lines and the signal lines is connected into the transmission mechanism 3 along the tower body, and the control panel includes a “closing” button and an “opening” button. The lock wire cabinet is arranged on the first cross arm of the iron tower 1 close to the ground, and the power lines and the signal lines are disconnected when not in use and then are stored in the lock wire cabinet.

[0044] Specifically, the transmission mechanism 3 includes a direct current motor, a motor protective cover, and a manual control crank, the electrical control system 10 realizes closing and opening of the opening and closing conductor 7 by controlling forward rotation and reverse rotation of the direct current motor, and the manual control crank can be used for manual closing and opening. The transmission mechanism 3 includes a turbine rod reducer with a self-locking function, so that the opening and closing conductor 7 always maintains a thrust state after closing.

[0045] The difference between the embodiment 2 and the embodiment 1 is that the manual control crank is arranged under the motor protective cover in the transmission mechanism 3, when the electrical control system 10 fails, the staff can go to the tower to the transmission mechanism 3 to operate the manual control crank to manually close and open, and a backup operation scheme is provided.

[0046] In the above specific embodiments, a use method of the cable-stayed string type ground wire ice melting automatic wiring device is provided, that is, a working principle, and specifically includes the following steps:

[0047] Step 1: when installing the transmission mechanism 3, the transmission mechanism 3 is installed below the first cross arm platform 2 of the iron tower 1 inside the jumper string 6 through a special fixture, and the opening and closing conductor 7 is hoisted to the transmission mechanism 3 and connected with the output flange plate of the transmission mechanism through bolts; the two inclined pull insulator strings 8 are hung on the two sides of the cross arm platform 2 at the first connecting hanging point hole 4 and the second connecting hanging point hole 12 of the inclined pull type power taker 9, and the inclined pull type power taker 9 is installed together with the jumper string 6 through the suspension wire clamp 905, so that the several hinge type wire clamps hold the wire bundle 903 tightly;

[0048] Step 2: the power supply line and the signal line are taken out from the wire locking cabinet and connected with the control box, and the power supply line and the signal line are arranged along the tower body through a special wire clamping device, and the joints are close to the transmission mechanism 3 and protected by the motor protective cover.

[0049] Step 3: when debugging before ice melting, the position of the transmission mechanism 3 is fine-tuned according to the downward rotation of the opening and closing conductor 7 driven by the transmission mechanism 3 to the closed position, so that the adjustable contact 11 and the contact finger 906 can effectively cooperate when closing; the position of the protective cover 5 is fine-tuned according to the upward rotation of the opening and closing conductor 7 driven by the transmission mechanism 3 to the open position, so that the adjustable contact 11 of the opening and closing conductor 7 can effectively protect against rain, snow and ice.

[0050] Step 4: when melting ice, the "closing" button of the electrical control system 10 is pressed, the transmission mechanism 3 drives the opening and closing conductor 7 to rotate downward from the protective cover 5 to the inclined pull type power taker 9; after the adjustable contact 11 of the opening and closing conductor 7 cooperates with the contact finger 906 of the inclined pull type power taker 9 to the position, the closing is in place, and the motor stops working, so that the wire and the ground wire are connected, the automatic wiring is realized, and the power supply is realized at this time.

[0051] Step 5: after the ice melting is completed, the "opening" button of the electrical control system 10 is pressed, the transmission mechanism 3 drives the opening and closing conductor 7 to rotate upward to separate from the inclined pull type power taker 9, and when reaching the protective cover 5, the limit stopper is started, the direct current motor stops working, the opening and closing conductor 7 stops, and the protection lock is closed, at this time, the adjustable contact 11 of the opening and closing conductor 7 has been completely covered in the protective cover 5, and the rain and snow is prevented.

[0052] In summary,

[0053] 1. By installing the transmission mechanism 3 below the first cross arm platform 2 of the iron tower 1, setting the cable-stayed insulator string 8, connecting the transmission mechanism 3 and the cable-stayed power taker 9, and setting the counterweight piece 905 on the cable-stayed power taker, the push resistance of the jumper string 6 connected with the cable-stayed power taker 9 is increased, the support force of the jumper string 6 when the adjustable contact 11 of the opening and closing conductor 7 cooperates with the contact finger 906 of the cable-stayed power taker 9 is improved, and the technical problem that the jumper string 6 does not have enough weight to support the push force when the adjustable contact 11 of the opening and closing conductor 7 cooperates with the contact finger 906 of the cable-stayed power taker 9, resulting in unstable automatic grounding and wire connection and normal closing for ice melting, is solved.

[0054] 2. By setting the protective cover 5, the adjustable contact 11 of the opening and closing conductor 7 is covered when the device stops working, rain and snow are effectively prevented, and the reliability of the device is improved.

[0055] 3. The device sets the manual control crank under the motor protective cover in the transmission mechanism 3, when the electrical control system 10 fails, the staff can go to the tower to the transmission mechanism 3 to operate the manual control crank to manually close and open, a backup operation scheme is provided, the stability of the device under emergency is greatly improved, and further protection for successful closing and opening of the device is provided.

[0056] It should be noted that if relationship terms such as "first" and "second" are used in this text, they are only used to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0057] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic wiring device for oblique-pull ground wires that melts ice, characterized by: The transmission mechanism (3), the open-close conductor (7), the two groups of cable-stayed insulator strings (8), the cable-stayed power taker (9) and the electrical control system (10) are arranged below the first cross arm platform (2) of the iron tower (1); The output end of the transmission mechanism (3) is provided with a flange plate, and the open-close conductor (7) is connected to the flange plate; one end of the open-close conductor (7) is connected to the electrical control system (10), and the other end is an adjustable contact (11); one side of the first cross arm platform (2) is provided with a first connecting hanging point hole (4), and the other side of the cable-stayed power taker (9) is provided with a second connecting hanging point hole (12); one end of the cable-stayed insulator string (8) is connected to the first connecting hanging point hole (4) of the first cross arm platform (2), and the other end is connected to the second connecting hanging point hole (12) of the cable-stayed power taker (9); the cable-stayed power taker (9) is connected to the jumper string (6), and the other end of the jumper string (6) is connected to one end of the iron tower (1). The cable-stayed power taker (9) comprises a power taker support (901), a contact seat (902), a wire bundle (903), a plurality of counterweight pieces (904) and a suspension wire clamp (905); the contact seat (902) is installed on the power taker support (901), the contact seat (902) is provided with a contact finger (906) inside, the contact finger (906) is connected to the wire bundle (903), the counterweight pieces (904) are symmetrically installed on both sides of the power taker support (901), the cable-stayed power taker (9) is installed on the jumper string (6) through the suspension wire clamp (905), and the wire bundle (903) is connected to the jumper string (6); the contact seat (902) is three-arc-shaped, and when the switch is closed, the adjustable contact (11) of the open-close conductor (7) is clamped in the contact seat (902). The iron tower (1) further comprises a second cross arm platform (13), and the second cross arm platform (13) is provided with a protective cover (5); the protective cover (5) is arranged below the tower body side and on one side of the transmission mechanism (3).

2. The automatic ground wire ice-melting and connecting device of claim 1, wherein: The cable-stayed insulator string (8) comprises a first hanging point fitting (801), the first hanging point fitting (801) is connected to a ring-shaped connecting fitting (802), the ring-shaped connecting fitting (802) is connected to an insulator (803), the insulator (803) is connected to a groove-shaped connecting fitting (804), and the groove-shaped connecting fitting (804) is connected to a second hanging point fitting (805); the first hanging point fitting (801) is connected to the first connecting hanging point hole (4), and the second hanging point fitting (805) is connected to the second connecting hanging point hole (12).

3. The automatic ground wire ice-melting and connecting device of claim 1, wherein: The electrical control system (10) is connected with the ground wire, comprising a control box, a DC power supply, a power line, a signal line, a lock line cabinet and a control panel; the control box is connected with the joints of the DC power supply, the power line and the signal line respectively, the other joints of the power line and the signal line are connected into the transmission mechanism (3) along the tower body, and the control panel comprises a "closing" button and a "opening" button.

4. The automatic ground de-icing and wiring device of claim 3, wherein: The lock line cabinet is arranged on the first cross arm of the iron tower (1) near the ground, and the power line and the signal line are stored in the lock line cabinet after being disconnected when not in use.

5. The automatic ground de-icing and wire connecting device of claim 1, wherein: The transmission mechanism (3) comprises a DC motor, a motor protective cover and a manual control crank, the electrical control system (10) realizes the closing and opening of the opening and closing conductor (7) by controlling the forward rotation and reverse rotation of the DC motor; the manual control crank can be used for manual closing and opening.

6. The automatic ground de-icing and wire connecting device of claim 5, wherein: The transmission mechanism (3) comprises a turbine rod reducer with self-locking function, so that the opening and closing conductor (7) always maintains a thrust state after closing.

7. The automatic ground de-icing and wire connecting device of claim 1, wherein: The protective cover (5) comprises a limiting device and a protection lock.

8. A method for using the automatic cable connection device for cable ice melting by cable stringing, characterized in that the automatic cable connection device for cable ice melting by cable stringing according to any one of claims 1-7 is used. The method comprises the following steps: Step 1: when installing the transmission mechanism (3), the transmission mechanism (3) is installed below the first cross arm platform (2) of the iron tower (1) through a special clamp and is located inside the jumper string (6), then the opening and closing conductor (7) is hoisted to the transmission mechanism (3), and the opening and closing conductor (7) is connected with the output flange plate of the transmission mechanism through bolts; two inclined pull insulator strings (8) are hung on the first connecting hanging point holes (4) on the two sides of the cross arm platform (2) and the second connecting hanging point holes (12) of the inclined pull type power taker (9) on the other side, and then the inclined pull type power taker (9) is installed together with the jumper string (6) through a suspension line clamp (905) to make several hinged clamps hold the wire bundle (903); Step 2: the power line and the signal line are taken out from the lock line cabinet, connected with the control box, arranged along the tower body through a special wire clamp, and connected with the transmission mechanism (3) through the motor protective cover; Step 3: when debugging before ice melting, the position of the transmission mechanism (3) is finely adjusted according to the downward rotation of the opening and closing conductor (7) driven by the transmission mechanism (3) to the closed position, so that the adjustable contact (11) can effectively cooperate with the contact finger (906) when closing; the position of the protective cover (5) is finely adjusted according to the upward rotation of the opening and closing conductor (7) driven by the transmission mechanism (3) to the open position, so that the adjustable contact (11) of the opening and closing conductor (7) can be effectively protected from rain, snow and ice; Step 4: when melting ice, the "closing" button of the electrical control system (10) is pressed, the transmission mechanism (3) drives the opening and closing conductor (7) to rotate downward from the protective cover (5) and to the inclined pull type power taker (9); after the adjustable contact (11) of the opening and closing conductor (7) cooperates with the contact finger (906) of the inclined pull type power taker (9) to the closed position, the closing is completed, the motor stops working, the wire is connected with the ground wire, the automatic connection is realized, and the ice melting is realized. Step 5: After the ice melting, press the "open" button of the electrical control system (10), the transmission mechanism (3) drives the opening and closing conductor (7) to rotate upward and separate from the cable-stayed power collector (9), when reaching the protective cover (5), the limit stopper is activated, the DC motor stops working, the opening and closing conductor (7) stops, and the protective lock is closed. At this time, the adjustable contact (11) of the opening and closing conductor (7) has been completely covered in the protective cover (5), avoiding rain and snow attack.

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