CN114498519B - Composite deicing device for overhead transmission line - Google Patents
Composite deicing device for overhead transmission line Download PDFInfo
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- CN114498519B CN114498519B CN202210169866.XA CN202210169866A CN114498519B CN 114498519 B CN114498519 B CN 114498519B CN 202210169866 A CN202210169866 A CN 202210169866A CN 114498519 B CN114498519 B CN 114498519B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention relates to a deicing technology of an overhead transmission line, in particular to a composite deicing device for the overhead transmission line. The method solves the problems of high energy consumption, secondary icing risk, incomplete deicing and limited application range of the existing overhead transmission line deicing method. A composite deicing device for overhead transmission lines comprises an operating mechanism and a deicing mechanism; the operating mechanism comprises a horizontal bar-shaped seat plate, a sliding block, a pressure spring, two horizontal bar-shaped baffles, a U-shaped handle, two hinge supports and two sleeves; the deicing mechanism comprises two Z-shaped guide rods, two box-shaped protection covers, two vertical strip-shaped cover plates, six ultrasonic vibrators, six section discs and six deicing tool heads. The deicing device has high deicing efficiency, is simple and labor-saving to operate, and is suitable for deicing overhead transmission lines.
Description
Technical Field
The invention relates to a deicing technology of an overhead transmission line, in particular to a composite deicing device for the overhead transmission line.
Background
When the overhead transmission line is temporarily used in winter, the overhead transmission line is extremely easy to generate icing phenomenon. The ice layer covered on the overhead transmission line can seriously affect the normal operation of the power system, thereby not only bringing great inconvenience to production and life, but also causing serious loss to society and economy. In order to remove the ice layer covered on the overhead transmission line, the currently adopted deicing method comprises an infrared deicing method, an electric heating deicing method, a high-speed heat flow deicing method, a chemical substance deicing method and an ultrasonic guided wave deicing method. The infrared deicing method, the electric heating deicing method and the high-speed heat flow deicing method have the common problems of high energy consumption and secondary icing risk. The chemical deicing method has the problem that dead angles are easily left in the deicing process, so that the deicing is incomplete. The ultrasonic guided wave deicing method has a problem in that it is only suitable for removing a thinner ice layer, but not suitable for removing a thicker ice layer, thereby resulting in limited application range. Based on the problems, a composite deicing device for an overhead transmission line is necessary to be invented, so that the problems of high energy consumption, secondary icing risk, incomplete deicing and limited application range of the existing deicing method for the overhead transmission line are solved.
Disclosure of Invention
The invention provides a composite deicing device for an overhead transmission line, which aims to solve the problems of high energy consumption, secondary icing risk, incomplete deicing and limited application range of the existing deicing method for the overhead transmission line.
The invention is realized by adopting the following technical scheme:
a composite deicing device for overhead transmission lines comprises an operating mechanism and a deicing mechanism;
the operating mechanism comprises a horizontal bar-shaped seat plate, a sliding block, a pressure spring, two horizontal bar-shaped baffles, a U-shaped handle, two hinge supports and two sleeves;
the upper surface of the horizontal bar-shaped seat board is provided with a horizontal bar-shaped groove with two closed ends; the sliding block is slidingly assembled in the horizontal bar-shaped groove, and the upper surface of the sliding block is flush with the upper surface of the horizontal bar-shaped seat plate; the pressure spring is positioned in the horizontal bar-shaped groove, and two ends of the pressure spring are respectively contacted with the left groove wall of the horizontal bar-shaped groove and the left surface of the sliding block; the first horizontal bar-shaped baffle plate is fixedly overlapped with the front end of the left edge of the notch, the front edge of the notch and the front end of the right edge of the notch of the horizontal bar-shaped groove; the second horizontal bar-shaped baffle plate is fixedly overlapped with the rear end of the left edge of the notch, the rear edge of the notch and the rear end of the right edge of the notch of the horizontal bar-shaped groove; the opening of the U-shaped handle faces downwards, and the top edge of the U-shaped handle is longitudinally arranged; both side edges of the U-shaped handle are vertically fixed on the left part of the upper surface of the sliding block; the first hinged support is fixed in the middle of the upper surface of the sliding block; the second hinged support is fixed on the upper surface of the horizontal strip-shaped seat plate and is positioned on the right side of the horizontal strip-shaped groove; the lower ends of the two sleeves are respectively hinged to the two hinged supports;
the deicing mechanism comprises two Z-shaped guide rods, two box-shaped protective covers, two vertical strip-shaped cover plates, six ultrasonic vibrators, six section discs and six deicing tool heads;
each Z-shaped guide rod comprises a lower rod section, a middle rod section and an upper rod section; the lower rod sections of the two Z-shaped guide rods are respectively inserted into the two sleeves in a sliding way; the middle rod sections of the two Z-shaped guide rods are in cross hinge joint; the two box-shaped protection covers are respectively supported and fixed on the upper end surfaces of the upper rod sections of the two Z-shaped guide rods; the right end of the first box-shaped protective cover is provided with an opening; the left end of the second box-shaped protective cover is provided with an opening; the first vertical bar-shaped cover plate is covered on the right end opening of the first box-shaped protective cover; the second vertical bar-shaped cover plate is covered on the left end opening of the second box-shaped protective cover; three supporting holes which are vertically and equidistantly arranged are formed in the surface of each vertical strip-shaped cover plate in a penetrating mode; the transducers of the first to third ultrasonic vibrators are all positioned in the first box-shaped protective cover, and the amplitude transformers of the first to third ultrasonic vibrators are fixed in a one-to-one correspondence manner and penetrate through three supporting holes on the first vertical strip-shaped cover plate; the transducers of the fourth to sixth ultrasonic vibrators are all positioned in the second box-shaped protective cover, and the amplitude transformers of the fourth to sixth ultrasonic vibrators are correspondingly fixed and penetrate through three supporting holes on the second vertical strip-shaped cover plate one by one; the center of the right end face of the amplitude transformer of the first ultrasonic vibrator to the center of the left end face of the amplitude transformer of the fourth ultrasonic vibrator to the sixth ultrasonic vibrator is provided with a blind screw hole respectively; the first to third pitch discs are integrally arranged at the pitch circles of the amplitude transformers of the first to third ultrasonic vibrators in a one-to-one correspondence manner, and are attached and fixed to the right surface of the first vertical bar-shaped cover plate; the fourth to sixth pitch discs are integrally arranged at the pitch circles of the amplitude transformers of the fourth to sixth ultrasonic vibrators in a one-to-one correspondence manner, and are all attached and fixed on the left surface of the second vertical bar-shaped cover plate; the six deicing tool heads are correspondingly arranged at the right ends of the amplitude transformers of the first ultrasonic vibrator, the third ultrasonic vibrator and the fourth ultrasonic vibrator; each deicing tool head comprises a rectangular cup-shaped shell, a rectangular cup-shaped cover body, a rectangular electric heating plate and countersunk head screws; a central hole A is formed in the center of the bottom wall of the rectangular cup-shaped shell in a penetrating manner; the inner bottom wall of the rectangular cup-shaped shell is provided with a circular boss in an extending mode, and the inner side wall of the circular boss is connected with the hole wall of the central hole A into a whole; the center of the bottom wall of the rectangular cup-shaped cover body is provided with a step hole with thick outside and thin inside in a penetrating way, and the pore diameter of the step hole is consistent with that of the central hole A; the rectangular cup-shaped cover body is in butt joint with the rectangular cup-shaped shell to form a mounting cavity, and the bottom wall of the rectangular cup-shaped cover body is fixedly connected to the end face of the annular boss in a lap joint manner; a central hole B is formed in the center of the surface of the rectangular electric heating plate in a penetrating manner; the rectangular electric heating plate is embedded in the mounting cavity, and the hole wall of the central hole B is matched with the outer side wall of the annular boss; the countersunk head screw sequentially penetrates through the step hole, the annular boss and the central hole A to be screwed into the blind screw hole on the corresponding ultrasonic vibrator.
When the combined deicing device for the overhead transmission line is used, the combined deicing device for the overhead transmission line is positioned below the overhead transmission line. The hydraulic pump station and the hydraulic jack are both fixed on the upper surface of the carriage plate of the flat trolley. The transducers of the six ultrasonic vibrators are all connected with an external ultrasonic generator through wires. The six rectangular electric heating plates are all connected with an external power supply through wires.
The specific use process is as follows: in the initial state, the deicing mechanism is in a closed state, as shown in fig. 1. When deicing is to be carried out, the hydraulic pump station is utilized to drive the hydraulic jack to extend, the hydraulic jack pushes the two Z-shaped guide rods to ascend together (the lower rod sections of the two Z-shaped guide rods extend upwards along the two sleeves respectively), and the two Z-shaped guide rods push the two box-shaped protective covers, the two vertical strip-shaped cover plates, the six ultrasonic vibrators, the six section discs and the six deicing tool heads to ascend together. In the ascending process, the U-shaped handle is pulled leftwards, the U-shaped handle drives the sliding block to slide leftwards (compression deformation occurs on the pressure spring), the sliding block drives the first hinged support to move leftwards, so that on one hand, the first sleeve pipe rotates clockwise around the first hinged support, on the other hand, the second sleeve pipe rotates anticlockwise around the second hinged support, and the deicing mechanism is driven to open, as shown in fig. 13 (under the driving of the first sleeve pipe, the first Z-shaped guide rod, the second box-shaped protection cover, the second vertical bar cover plate, the fourth to sixth ultrasonic vibrators, the fourth to sixth section discs and the fourth to sixth deicing tool heads rotate clockwise together). In the opening process, the cross joint of the two Z-shaped guide rods can move leftwards, so that the flat trolley needs to be pushed to move leftwards, and the jack of the hydraulic jack is ensured to be in stable contact with the cross joint of the two Z-shaped guide rods. And stopping driving the hydraulic jack when the six deicing tool heads are lifted to be in contact with the ice layer covered on the overhead transmission line, and loosening the U-shaped handle. At this time, under the restoring force action of the pressure spring, the six deicing tool heads form stable clamping on the ice layer covered on the overhead transmission line. Then, the external ultrasonic generator and the external power supply are started. The external ultrasonic generator converts alternating current into ultrasonic alternating current signals and transmits the ultrasonic alternating current signals to the transducers of the six ultrasonic vibrators. The transducers of the six ultrasonic vibrators convert ultrasonic alternating current signals into ultrasonic mechanical vibration. After the ultrasonic frequency mechanical vibration is amplified by the amplitude transformers of the six ultrasonic vibrators, the six deicing tool heads are driven to carry out ultrasonic frequency mechanical vibration, and the six deicing tool heads drive ice layers covered on the overhead transmission line to carry out ultrasonic frequency mechanical vibration, so that ultrasonic vibration deicing is realized. Simultaneously, an external power supply supplies electricity to the six rectangular electric heating plates and enables the six rectangular electric heating plates to generate heat, and the six deicing tool heads heat and melt the ice layers covered on the overhead transmission line, so that electric heating deicing is realized. In the ultrasonic vibration deicing and electric heating deicing processes, ultrasonic cavitation occurs in a melting area of the ice layer under the action of ultrasonic frequency mechanical vibration, so that ultrasonic cavitation deicing is realized.
Based on the above process, compared with the existing deicing method for the overhead transmission line, the composite deicing device for the overhead transmission line combines ultrasonic vibration deicing, electric heating deicing and ultrasonic cavitation deicing, realizes composite deicing, and has the following advantages: firstly, compared with an infrared deicing method, an electric heating deicing method and a high-speed heat flow deicing method, the invention has lower energy consumption and effectively avoids the risk of secondary icing. Secondly, compared with a chemical substance deicing method, the deicing method does not leave dead angles in the deicing process, so that the deicing is more thorough. And thirdly, compared with an ultrasonic guided wave deicing method, the method is not only suitable for removing thinner ice layers, but also suitable for removing thicker ice layers, so that the application range is wider.
The deicing device is reasonable in structure and ingenious in design, effectively solves the problems that the existing deicing method for the overhead transmission line is high in energy consumption, has secondary icing risk, is incomplete in deicing and limited in application range, is high in deicing efficiency, is simple and labor-saving in operation, and is suitable for deicing the overhead transmission line.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a schematic view of a portion of the deicing mechanism according to the present invention.
Fig. 5 is a schematic view of a part of the structure of fig. 4.
Fig. 6 is a schematic diagram of a portion of a deicing mechanism according to the present invention.
Fig. 7 is a partial schematic view of the structure of fig. 6.
Fig. 8 is a schematic view of the structure of the vertical bar cover plate in the present invention.
Fig. 9 is a schematic cross-sectional view of a deicing tool head in accordance with the present invention.
Fig. 10 is a schematic cross-sectional view of a rectangular cup-shaped housing in accordance with the present invention.
Fig. 11 is a schematic cross-sectional view of a rectangular cup-shaped cover according to the present invention.
Fig. 12 is a schematic sectional structure of a rectangular electric heating plate in the present invention.
Fig. 13 is a use state reference diagram of the present invention.
Fig. 14 is a top view of fig. 13.
Fig. 15 is a partial schematic structure of fig. 14.
Fig. 16 is a cross-sectional view A-A of fig. 15.
In the figure: the ultrasonic transducer comprises a 1-horizontal strip seat plate, a 2-sliding block, a 3-pressure spring, a 4-horizontal strip baffle, a 5-U-shaped handle, a 6-hinged support, a 7-sleeve, an 8-Z-shaped guide rod, a 9-box-shaped protective cover, a 10-vertical strip cover plate, an 11-ultrasonic vibrator, a 12-section disc, a 13-rectangular cup-shaped shell, a 14-rectangular cup-shaped cover body, a 15-rectangular electric heating plate, a 16-countersunk head screw, a 17-screw A, a 18-screw B, a 19-hinged lug seat, a 20-double-headed rivet, a 21-sleeve, a 22-gasket, a 23-bolt A, a 24-nut A, a 25-bolt B and a 26-nut B.
Detailed Description
A composite deicing device for overhead transmission lines comprises an operating mechanism and a deicing mechanism;
the operating mechanism comprises a horizontal bar-shaped seat board 1, a sliding block 2, a pressure spring 3, two horizontal bar-shaped baffle plates 4, a U-shaped handle 5, two hinged supports 6 and two sleeves 7;
the upper surface of the horizontal bar-shaped seat board 1 is provided with a horizontal bar-shaped groove with two closed ends; the sliding block 2 is slidingly assembled in the horizontal bar-shaped groove, and the upper surface of the sliding block 2 is flush with the upper surface of the horizontal bar-shaped seat plate 1; the pressure spring 3 is positioned in the horizontal bar-shaped groove, and two ends of the pressure spring 3 are respectively contacted with the left groove wall of the horizontal bar-shaped groove and the left surface of the sliding block 2; the first horizontal bar-shaped baffle 4 is fixedly overlapped with the front ends of the left edge, the front edge and the right edge of the notch of the horizontal bar-shaped groove; the second horizontal bar-shaped baffle 4 is fixedly overlapped with the rear ends of the left edge, the rear edge and the right edge of the notch of the horizontal bar-shaped groove; the opening of the U-shaped handle 5 faces downwards, and the top edge of the U-shaped handle 5 is longitudinally arranged; both side edges of the U-shaped handle 5 are vertically fixed on the left part of the upper surface of the sliding block 2; the first hinged support 6 is fixed in the middle of the upper surface of the sliding block 2; the second hinged support 6 is fixed on the upper surface of the horizontal strip seat plate 1, and the second hinged support 6 is positioned on the right side of the horizontal strip groove; the lower ends of the two sleeves 7 are respectively hinged on the two hinged supports 6;
the deicing mechanism comprises two Z-shaped guide rods 8, two box-shaped protective covers 9, two vertical strip-shaped cover plates 10, six ultrasonic vibrators 11, six pitch circle disks 12 and six deicing tool heads;
each Z-shaped guide rod 8 comprises a lower rod section, a middle rod section and an upper rod section; the lower rod sections of the two Z-shaped guide rods 8 are respectively inserted into the two sleeves 7 in a sliding way; the middle rod sections of the two Z-shaped guide rods 8 are in cross hinge joint; the two box-shaped protection covers 9 are respectively supported and fixed on the upper end surfaces of the upper rod sections of the two Z-shaped guide rods 8; the right end of the first box-shaped protective cover 9 is provided with an opening; the left end of the second box-shaped protective cover 9 is provided with an opening; a first vertical bar-shaped cover plate 10 is covered on the right end opening of the first box-shaped protective cover 9; a second vertical bar-shaped cover plate 10 is covered on the left end opening of the second box-shaped protective cover 9; three supporting holes which are vertically and equidistantly arranged are formed in the surface of each vertical strip-shaped cover plate 10 in a penetrating manner; the transducers of the first to third ultrasonic vibrators 11 are all positioned in the first box-shaped protective cover 9, and the amplitude transformers of the first to third ultrasonic vibrators 11 are correspondingly fixed and penetrate through three supporting holes on the first vertical strip-shaped cover plate 10 one by one; the transducers of the fourth to sixth ultrasonic vibrators 11 are all positioned in the second box-shaped protective cover 9, and the amplitude transformers of the fourth to sixth ultrasonic vibrators 11 are correspondingly fixed and penetrate through three supporting holes on the second vertical strip-shaped cover plate 10 one by one; the center of the right end face of the amplitude transformer of the first ultrasonic vibrator 11, the center of the left end face of the amplitude transformer of the fourth ultrasonic vibrator 11 and the center of the left end face of the amplitude transformer of the sixth ultrasonic vibrator 11 are respectively provided with a blind screw hole; the first to third section discs 12 are integrally arranged at the pitch circles of the amplitude transformers of the first to third ultrasonic vibrators 11 in a one-to-one correspondence manner, and the first to third section discs 12 are attached and fixed on the right surface of the first vertical bar cover plate 10; the fourth to sixth pitch discs 12 are integrally arranged at the pitch circles of the amplitude transformers of the fourth to sixth ultrasonic vibrators 11 in a one-to-one correspondence manner, and the fourth to sixth pitch discs 12 are attached and fixed on the left surface of the second vertical bar cover plate 10; the six deicing tool heads are correspondingly arranged at the right ends of the amplitude transformers of the first ultrasonic vibrator 11, the third ultrasonic vibrator 11 and the fourth ultrasonic vibrator 11; each deicing tool head comprises a rectangular cup-shaped shell 13, a rectangular cup-shaped cover 14, a rectangular electric heating plate 15 and countersunk screws 16; a central hole A is formed in the center of the bottom wall of the rectangular cup-shaped shell 13 in a penetrating manner; the inner bottom wall of the rectangular cup-shaped shell 13 is provided with a circular boss in an extending mode, and the inner side wall of the circular boss is connected with the hole wall of the central hole A into a whole; the center of the bottom wall of the rectangular cup-shaped cover body 14 is provided with a step hole with thick outside and thin inside in a penetrating way, and the pore diameter of the step hole is consistent with that of the central hole A; the rectangular cup-shaped cover body 14 is in butt joint with the rectangular cup-shaped shell 13 to form a mounting cavity, and the bottom wall of the rectangular cup-shaped cover body 14 is fixedly connected to the end face of the annular boss in a lap joint manner; a central hole B is formed through the center of the surface of the rectangular electric heating plate 15; the rectangular electric heating plate 15 is embedded in the mounting cavity, and the hole wall of the central hole B is matched with the outer side wall of the annular boss; the countersunk head screw 16 sequentially passes through the step hole, the annular boss and the central hole A and is screwed into the blind screw hole on the corresponding ultrasonic vibrator 11.
Two sets of screws A17 are also included; the first horizontal bar-shaped baffle 4 is fixedly overlapped with the front end of the left edge of the notch, the front edge of the notch and the front end of the right edge of the notch of the horizontal bar-shaped groove through a first group of screws A17; the second horizontal bar-shaped baffle 4 is lapped and fixed on the rear end of the left edge of the notch, the rear edge of the notch and the rear end of the right edge of the notch of the horizontal bar-shaped groove through a second group of screws A17.
Two sets of screws B18 are also included; the first hinge seat 6 is fixed in the middle of the upper surface of the sliding block 2 through a first group of screws B18; the second hinge support 6 is fixed to the upper surface of the bar-shaped seat plate 1 by a second set of screws B18.
The lower ends of the two sleeves 7 are respectively provided with an end wall, and the lower outer end walls of the two sleeves 7 are respectively provided with a hinged ear seat 19 in an extending way; the lower ends of the two sleeves 7 are hinged to the two hinge brackets 6 through two hinge lugs 19 respectively.
The device also comprises a double-headed rivet 20, a shaft sleeve 21 and two gaskets 22; the middle rod sections of the two Z-shaped guide rods 8 are cross-hinged through double-headed rivets 20; the shaft sleeve 21 is sleeved on the side face of the double-headed rivet 20, and the shaft sleeve 21 is positioned between the middle rod sections of the two Z-shaped guide rods 8; the two gaskets 22 are sleeved on the side surfaces of the double-headed rivet 20; a first shim 22 is located between the first head of the double-ended rivet 20 and the intermediate stem section of the first Z-bar 8; a second spacer 22 is located between the second head of the double-ended rivet 20 and the intermediate leg of the second Z-bar 8.
The device also comprises two groups of bolts A23 and two groups of nuts A24; the right end opening edge of the first box-shaped protective cover 9 and the left end opening edge of the second box-shaped protective cover 9 are all outward folded edges; the first vertical bar cover plate 10 is covered on the right end opening of the first box-shaped protection cover 9 through a first group of bolts A23 and a first group of nuts A24; the second vertical bar cover plate 10 is covered on the left end opening of the second box-shaped protection cover 9 by a second set of bolts a23 and a second set of nuts a 24.
Six groups of bolts B25 and six groups of nuts B26 are also included; the first to third segment disks 12 are attached and fixed to the right surface of the first vertical bar cover plate 10 by the first to third sets of bolts B25 and the first to third sets of nuts B26; the fourth to sixth segment disks 12 are attached and fixed to the left surface of the second vertical bar cover plate 10 by fourth to sixth sets of bolts B25 and fourth to sixth sets of nuts B26.
An insulating sleeve is sleeved on the side surface of the top edge of the U-shaped handle 5.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (8)
1. A combined type defroster for overhead transmission line, its characterized in that: comprises an operating mechanism and a deicing mechanism;
the operating mechanism comprises a horizontal strip-shaped seat plate (1), a sliding block (2), a pressure spring (3), two horizontal strip-shaped baffles (4), a U-shaped handle (5), two hinged supports (6) and two sleeves (7);
the upper surface of the horizontal strip seat board (1) is provided with a horizontal strip groove with two closed ends; the sliding block (2) is slidingly assembled in the horizontal strip-shaped groove, and the upper surface of the sliding block (2) is flush with the upper surface of the horizontal strip-shaped seat plate (1); the pressure spring (3) is positioned in the horizontal bar-shaped groove, and two ends of the pressure spring (3) are respectively contacted with the left groove wall of the horizontal bar-shaped groove and the left surface of the sliding block (2); the first horizontal bar-shaped baffle (4) is fixedly connected with the front end of the left edge of the notch, the front edge of the notch and the front end of the right edge of the notch of the horizontal bar-shaped groove in a lap joint manner; the second horizontal bar-shaped baffle (4) is fixedly connected with the rear end of the left edge of the notch, the rear edge of the notch and the rear end of the right edge of the notch of the horizontal bar-shaped groove in a lap joint manner; the opening of the U-shaped handle (5) is downward, and the top edge of the U-shaped handle (5) is longitudinally arranged; both side edges of the U-shaped handle (5) are vertically fixed on the left part of the upper surface of the sliding block (2); the first hinged support (6) is fixed in the middle of the upper surface of the sliding block (2); the second hinged support (6) is fixed on the upper surface of the horizontal strip-shaped seat plate (1), and the second hinged support (6) is positioned on the right side of the horizontal strip-shaped groove; the lower ends of the two sleeves (7) are respectively hinged on the two hinged supports (6);
the deicing mechanism comprises two Z-shaped guide rods (8), two box-shaped protective covers (9), two vertical strip-shaped cover plates (10), six ultrasonic vibrators (11), six section discs (12) and six deicing tool heads;
each Z-shaped guide rod (8) comprises a lower rod section, a middle rod section and an upper rod section; the lower rod sections of the two Z-shaped guide rods (8) are respectively inserted into the two sleeves (7) in a sliding way; the middle rod sections of the two Z-shaped guide rods (8) are in cross hinge joint; the two box-shaped protection covers (9) are respectively supported and fixed on the upper end surfaces of the upper rod sections of the two Z-shaped guide rods (8); the right end of the first box-shaped protective cover (9) is provided with an opening; the left end of the second box-shaped protective cover (9) is provided with an opening; the first vertical strip cover plate (10) is covered on the right end opening of the first box-shaped protective cover (9); a second vertical strip cover plate (10) is covered on the left end opening of the second box-shaped protective cover (9); three supporting holes which are vertically and equidistantly arranged are formed in a penetrating manner on the surface of each vertical strip-shaped cover plate (10); the transducers of the first to third ultrasonic vibrators (11) are all positioned in the first box-shaped protective cover (9), and the amplitude transformers of the first to third ultrasonic vibrators (11) are correspondingly fixed and penetrate through three supporting holes on the first vertical strip-shaped cover plate (10) one by one; the transducers of the fourth to sixth ultrasonic vibrators (11) are all positioned in the second box-shaped protective cover (9), and the amplitude transformers of the fourth to sixth ultrasonic vibrators (11) are correspondingly fixed one by one and penetrate through three supporting holes on the second vertical strip cover plate (10); the centers of the right end faces of the amplitude transformers of the first ultrasonic vibrator (11) and the centers of the left end faces of the amplitude transformers of the fourth ultrasonic vibrator (11) and the sixth ultrasonic vibrator (11) are respectively provided with a blind screw hole; the first section disc (12) and the third section disc (12) are integrally arranged at the pitch circle of the amplitude transformer of the first ultrasonic vibrator (11) in a one-to-one correspondence manner, and the first section disc (12) and the third section disc (12) are attached and fixed on the right surface of the first vertical strip cover plate (10); the fourth to sixth pitch discs (12) are integrally arranged at the pitch circles of the amplitude transformers of the fourth to sixth ultrasonic vibrators (11) in a one-to-one correspondence manner, and the fourth to sixth pitch discs (12) are attached and fixed on the left surface of the second vertical bar-shaped cover plate (10); six deicing tool heads are correspondingly arranged at the right ends of amplitude transformers of the first ultrasonic vibrator (11) to the third ultrasonic vibrator (11) and at the left ends of amplitude transformers of the fourth ultrasonic vibrator (11) to the sixth ultrasonic vibrator (11); each deicing tool head comprises a rectangular cup-shaped shell (13), a rectangular cup-shaped cover body (14), a rectangular electric heating plate (15) and countersunk screws (16); a central hole A is formed in the center of the bottom wall of the rectangular cup-shaped shell (13) in a penetrating way; the inner bottom wall of the rectangular cup-shaped shell (13) is provided with a circular boss in an extending mode, and the inner side wall of the circular boss is connected with the hole wall of the central hole A into a whole; the center of the bottom wall of the rectangular cup-shaped cover body (14) is provided with a step hole with thick outside and thin inside in a penetrating way, and the pore diameter of the step hole is consistent with that of the central hole A; the rectangular cup-shaped cover body (14) is in butt joint with the rectangular cup-shaped shell (13) to form a mounting cavity, and the bottom wall of the rectangular cup-shaped cover body (14) is fixedly connected to the end face of the annular boss in a lap joint mode; a central hole B is formed in the center of the surface of the rectangular electric heating plate (15) in a penetrating way; the rectangular electric heating plate (15) is embedded in the mounting cavity, and the hole wall of the central hole B is matched with the outer side wall of the annular boss; the countersunk head screw (16) sequentially passes through the step hole, the annular boss and the central hole A and is screwed into the blind screw hole on the corresponding ultrasonic vibrator (11).
2. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: also comprises two groups of screws A (17); the first horizontal bar-shaped baffle (4) is lapped and fixed on the front end of the left edge of the notch, the front edge of the notch and the front end of the right edge of the notch of the horizontal bar-shaped groove through a first group of screws A (17); the second horizontal bar-shaped baffle plate (4) is lapped and fixed on the rear end of the left edge of the notch, the rear edge of the notch and the rear end of the right edge of the notch of the horizontal bar-shaped groove through a second group of screws A (17).
3. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: also comprises two groups of screws B (18); the first hinged support (6) is fixed in the middle of the upper surface of the sliding block (2) through a first group of screws B (18); the second hinge support (6) is fixed on the upper surface of the horizontal strip-shaped seat board (1) through a second group of screws B (18).
4. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: the lower ends of the two sleeves (7) are respectively provided with an end wall, and the lower outer end walls of the two sleeves (7) are respectively provided with a hinged ear seat (19) in an extending way; the lower ends of the two sleeves (7) are hinged on the two hinged supports (6) through two hinged ear supports (19) respectively.
5. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: the novel double-end rivet comprises a double-end rivet body (20), a shaft sleeve (21) and two gaskets (22); the middle rod sections of the two Z-shaped guide rods (8) are hinged in a crossed way through double-headed rivets (20); the shaft sleeve (21) is sleeved on the side face of the double-end rivet (20), and the shaft sleeve (21) is positioned between the middle rod sections of the two Z-shaped guide rods (8); the two gaskets (22) are sleeved on the side surfaces of the double-headed rivets (20); a first shim (22) is located between a first head of the double-ended rivet (20) and an intermediate section of the first Z-shaped guide bar (8); a second shim (22) is located between the second head of the double-ended rivet (20) and the intermediate section of the second Z-bar (8).
6. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: the device also comprises two groups of bolts A (23) and two groups of nuts A (24); the right end opening edge of the first box-shaped protective cover (9) and the left end opening edge of the second box-shaped protective cover (9) are all outward folded edges; the first vertical strip cover plate (10) is covered on the right end opening of the first box-shaped protective cover (9) through a first group of bolts A (23) and a first group of nuts A (24); the second vertical bar cover plate (10) is covered on the left end opening of the second box-shaped protective cover (9) through a second group of bolts A (23) and a second group of nuts A (24).
7. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: six groups of bolts B (25) and six groups of nuts B (26) are also included; the first to third joint discs (12) are attached and fixed on the right surface of the first vertical bar-shaped cover plate (10) through first to third groups of bolts B (25) and first to third groups of nuts B (26); the fourth to sixth pitch discs (12) are attached and fixed to the left surface of the second vertical bar cover plate (10) by fourth to sixth sets of bolts B (25) and fourth to sixth sets of nuts B (26).
8. A composite de-icing assembly for an overhead transmission line according to claim 1, wherein: an insulating sleeve is sleeved on the side surface of the top edge of the U-shaped handle (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210169866.XA CN114498519B (en) | 2022-02-24 | 2022-02-24 | Composite deicing device for overhead transmission line |
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| CN202210169866.XA CN114498519B (en) | 2022-02-24 | 2022-02-24 | Composite deicing device for overhead transmission line |
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| CN114498519B true CN114498519B (en) | 2023-07-04 |
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