A remote control operating device for a permanent magnet adsorption type electric load switch
By designing a permanent magnet adsorption electric load switch remote control operation device, using wireless remote control and foldable structure technology, the safety hazards and poor compatibility problems in traditional operating methods are solved, and the automated operation of load switches and multi-model adaptation are achieved.
Patent Information
- Application Number
- CN202011037381.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-28
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2040-09-28
AI Technical Summary
The opening and closing operation of traditional load switches requires manual operation, which poses safety risks, and the existing external operating mechanisms have poor compatibility, making it impossible to achieve multi-purpose one machine.
A permanent magnet adsorption electric load switch remote control operation device is designed, including a driving device, an operating head, a swing arm mechanism, an adsorption positioning component and a control module. The operation head is controlled to rotate and drive the load switch to close through a wireless remote control method. The swing arm mechanism and a permanent magnet suction cup positioning component are adopted to achieve fixed position and adaptation of multiple models.
It realizes automatic closing and closing operation of load switches, improves operation safety and equipment versatility, and is easy to store and carry, and replaces manual closing and closing operation of load switches.
Smart Images

Figure CN112017903B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of remote control operation devices, and in particular to a remote control operation device for a permanent magnetic adsorption type electric load switch. Background Art
[0002] Load switches are important electrical equipment in 10kV power distribution systems. By rotating the load switch's opening and closing shaft, the load switch can be opened and closed. Traditionally, these operations are completed manually through a manual operating handle, requiring the operator to operate close to the load switch. Once the load switch short-circuits during operation, it may threaten the operator's life. In response to this problem, external operating mechanisms have also appeared, but they generally have poor compatibility and can only match a certain type of load switch, making it impossible to achieve multiple uses of one machine. Summary of the invention
[0003] The purpose of the present invention is to provide a permanent magnetic adsorption type electric load switch remote control operation device to solve the problem.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0005] The present invention discloses a remote control operating device for a permanent magnetic adsorption electric load switch, comprising a driving device, an operating head, a swing arm mechanism, an adsorption positioning component and a control module, wherein the operating head is installed at the working end of the driving device, the driving device is connected to one end of the swing arm mechanism through a reducer fixing plate, the other end of the swing arm mechanism is connected to the adsorption positioning component through a rotary parallel support, the driving device and the power components in the swing arm mechanism are electrically connected to the control module; when working, the adsorption positioning component is adsorbed and connected to the side wall of the ring network cabinet, the working end of the operating head is inserted into the load switch operating hole, and the driving device drives the operating head to rotate and drives the load switch to close.
[0006] Furthermore, the driving device includes a reduction motor and a planetary reducer, the reduction motor and the planetary reducer are connected together in a driving manner, the planetary reducer is connected to one side of the reducer fixing plate through a locking bolt, the operating head is connected to the output end of the planetary reducer, and a motor housing and a motor housing back cover are provided on the outside of the reduction motor, and the motor housing back cover is clamped and connected to the motor housing and covers the reduction motor.
[0007] Furthermore, the output end of the planetary reducer is arranged as a square column, the connecting end of the operating head is arranged with a square groove, and the square column is embedded and connected in the square groove.
[0008] Furthermore, the swing arm mechanism is arranged as a foldable structure, including a primary horizontal swing arm, a square rotary parallel support, a first gas spring strut, a second gas spring strut, a first parallel swing arm rod, a second parallel swing arm rod, and two locking handles. One end of the primary horizontal swing arm is connected to the reducer fixing plate through a locking bolt, and the other end of the primary horizontal swing arm is rotatably connected to the square rotary parallel support through a first horizontal rotating shaft. The first parallel swing arm rod and the second parallel swing arm rod are arranged in parallel up and down. One end of the first parallel swing arm rod and the second parallel swing arm rod is connected to the square rotary parallel support, and the other end is connected to the rotary parallel support through a rotary parallel support plate. A first locking handle cooperating with the first parallel swing arm rod is arranged on the square rotary parallel support, and a second locking handle cooperating with the second parallel swing arm rod is arranged on the rotary parallel support plate. Both ends of the first gas spring strut and the second gas spring strut are connected to the rotary parallel support plate and the square rotary parallel support through gas spring support shafts.
[0009] Furthermore, the gas spring support shafts include a first gas spring support shaft and a second gas spring support shaft. The first gas spring strut and the second gas spring strut are distributed on both sides of the first parallel swing arm rod and the second parallel swing arm rod. One end of the first gas spring strut and the second gas spring strut is hinged to the lower part of the square rotary parallel support through the first gas spring support shaft, and the other end of the first gas spring strut and the second gas spring strut is hinged to the upper part of the rotary parallel support plate through the second gas spring support shaft.
[0010] Furthermore, the square rotary parallel support is arranged as a U-shaped frame. A first horizontal rotating shaft mounting hole is arranged in the middle of the horizontal plate of the U-shaped frame. The first horizontal rotating shaft is mounted in the first horizontal rotating shaft mounting hole. Gas spring support shaft holes and first locking handle holes are arranged on the two vertical plates of the U-shaped frame. The first gas spring support shaft penetrates and is connected to the gas spring support shaft hole, and the first locking handle penetrates the first locking handle hole and then is connected to the first parallel swing arm rod.
[0011] Furthermore, two symmetric rotary parallel support plates are arranged. The rotary parallel support plates are connected to the rotary parallel support through rotary parallel support plate fixing bolts.
[0012] Furthermore, the adsorption and positioning assembly includes a plurality of permanent magnetic chucks and a connecting chassis. The connecting chassis is connected to the rotary parallel support through a second horizontal rotating shaft. The plurality of permanent magnetic chucks are connected to the bottom surface of the connecting chassis through permanent magnetic chuck fixing screws.
[0013] Furthermore, a fixing bolt for the second horizontal rotating shaft for positioning is arranged on the circular ring sleeve connecting the chassis, a positioning round platform is arranged on the top surface of the permanent magnet chuck, and after the positioning round platform is embedded into the positioning groove on the bottom surface of the connecting chassis, it is fastened by the permanent magnet chuck fixing screw.
[0014] Furthermore, the connecting chassis includes four-claw plates at the bottom and a connecting column at the top. The four-claw plates and the connecting column are integrally formed or fixedly connected together. Four permanent magnet chuck fixing screw holes are arranged on the four-claw plates. The center of the connecting column is set as the installation hole for the second horizontal rotating shaft, and a fixing bolt hole for the second horizontal rotating shaft communicating with the installation hole for the second horizontal rotating shaft is arranged on the side wall of the connecting column.
[0015] Compared with the prior art, the beneficial technical effects of the present invention are as follows:
[0016] A permanent magnet adsorption type remote control operation device for an electric load switch of the present invention includes a driving device, an operating head, a swing arm mechanism, an adsorption and positioning assembly, and a control module. The operating head is installed at the working end of the driving device. The driving device is connected to a rotary parallel support through the swing arm mechanism. The rotary parallel support is connected to the adsorption and positioning assembly. The driving device and the power components in the swing arm mechanism are electrically connected to the control module. During operation, the adsorption and positioning assembly fits and adsorbs on the side wall of the ring main unit cabinet. The working end of the operating head is inserted into the operation hole of the load switch, and the driving device drives the operating head to rotate clockwise to drive the load switch to close. In view of the defects of the prior art, it replaces manual operation to complete the opening and closing operations of the load switch. Specifically, the swing arm mechanism is set as a foldable structure, including a first-level horizontal swing arm, a square rotary parallel support, a first gas spring strut, a second gas spring strut, a first parallel swing arm rod, a second parallel swing arm rod, and two locking handles. When in use, the swing arm mechanism is in an unfolded state, and after the work is completed, the swing arm mechanism is in a folded state, which is convenient for storage and carrying. Adopting a structure of two-level rotating shafts plus a horizontal swing arm, it can be fixed at any position, with strong versatility; by replacing the operating head, the operation of different models of load switches can be realized; the adsorption and positioning assembly includes a plurality of permanent magnet chucks and a connecting chassis. Using permanent magnet chucks for fixation, it can be applied to most ring main unit cabinets; adopting a gas spring assisted pressing structure can prevent the operating head from coming out during operation; adopting a wireless remote control method can ensure the safety of the staff. Generally speaking, the present invention is ingeniously conceived. The foldable structure swing arm can be fixed at any position, with strong versatility, convenient for storage and carrying. The gas spring assisted pressing can prevent the operating head from coming out, and at the same time, the operation of different models of load switches can be realized. The automatic button control replaces manual operation to complete the opening and closing operations of the load switch. Description of the Drawings
[0017] The present invention will be further described below with reference to the drawings.
[0018] Figure 1 Schematic diagram of the remote control operation device for the permanent magnet adsorption type electric load switch of the present invention;
[0019] Figure 2 Exploded view of the remote control operation device for the permanent magnet adsorption type electric load switch of the present invention;
[0020] Figure 3 Schematic diagram of the usage state of the present invention;
[0021] Figure 4 Schematic diagram of the connection chassis structure of the present invention;
[0022] Figure 5 Schematic diagram of the square rotary parallel support structure of the present invention;
[0023] Explanation of reference numerals: 1. Rear cover of motor housing; 2. Motor housing; 3. Fixing plate of reducer; 4. Planetary reducer; 5. Operating head; 6. Locking bolt; 7. First-level horizontal swing arm; 8. First horizontal rotary shaft; 9. Square rotary parallel support; 10. First locking handle; 11. First gas spring strut; 12. Second gas spring strut; 13. First parallel swing arm rod; 14. Second parallel swing arm rod; 15. Rotary parallel support; 16. Connection chassis; 17. Second locking handle; 18. Permanent magnet chuck; 19. Reduced motor; 20. Control module; 21. First gas spring support shaft; 22. Second gas spring support shaft; 23. Second horizontal rotary shaft; 24. Fixing screw of permanent magnet chuck; 25. Rotary parallel support plate; 26. Fixing bolt of rotary parallel support plate; 27. Fixing bolt of second horizontal rotary shaft; 30. Ring main unit; 31. Operating hole of load switch;
[0024] 16-1. Fixing screw hole of permanent magnet chuck; 16-2. Installation hole of second horizontal rotary shaft; 16-3. Fixing bolt hole of second horizontal rotary shaft;
[0025] 9-1. Installation hole of first horizontal rotary shaft; 9-2. Hole of first locking handle; 9-3. Hole of gas spring support shaft. Detailed implementation manner
[0026] As Figures 1-5As shown, a permanent magnet adsorption type electric load switch remote control operating device includes a driving device, an operating head 5, a swing arm mechanism, an adsorption positioning component and a control module 20, wherein the operating head 5 is installed at the working end of the driving device, the driving device is connected to one end of the swing arm mechanism through a reducer fixing plate 3, and the other end of the swing arm mechanism is connected to the adsorption positioning component through a rotary parallel support 15, the driving device and the power components in the swing arm mechanism are electrically connected to the control module 20, and specifically, the control module 20 is installed in the inner hole of the first-level horizontal swing arm 7 of the swing arm mechanism; when working, the adsorption positioning component is adsorbed and connected to the side wall of the ring network cabinet 30, the working end of the operating head 5 is inserted into the load switch operating hole 31, and the driving device drives the operating head 5 to rotate and drive the load switch to close. The maximum output torque of the operating head of the remote control operating device of the permanent magnetic adsorption electric load switch is 120Nm. The horizontal force acting on the quadrilateral chassis under the most unfavorable working condition is 300N, the safety factor is 1.67, the vertical force is 200N, and the safety zone factor is 5.
[0027] like Figure 1 , 2 As shown, the driving device includes a reduction motor 19 and a planetary reducer 4, the reduction motor 19 and the planetary reducer 4 are connected together by transmission, the planetary reducer 4 is connected to one side of the reducer fixing plate 3 by a locking bolt 6, the operating head 5 is connected to the output end of the planetary reducer 4, the motor housing 2 and the motor housing back cover 1 are arranged outside the reduction motor 19, the motor housing back cover 1 is clamped and connected to the motor housing 2 and then covers the reduction motor 19. Specifically, the output end of the planetary reducer 4 is arranged as a square column, the connecting end of the operating head 5 is arranged with a square groove, the square column is embedded and connected to the square groove, and is compatible with conventional 1 / 2 size socket tools, so as to facilitate the replacement of operating heads of different models, and the positioning connection mode is stable and not easy to rotate. Specifically, the material of the motor housing back cover 1 and the motor housing 2 is PVC board, which is light and easy to install. The reduction motor 19 adopts a 775 reduction motor with a speed of 200rpm, a maximum output torque of 7.5Nm, and a driving voltage of 12V. The planetary reducer 4 specifically adopts a 60 planetary reducer. The drive device is small in size and low in weight, and is easy to hang and support.
[0028] Specifically, the swing arm mechanism is arranged as a foldable structure, including a first-level horizontal swing arm 7, a square rotary parallel support 9, a first gas spring strut 11, a second gas spring strut 12, a first parallel swing arm rod 13, a second parallel swing arm rod 14, and two locking handles. One end of the first-level horizontal swing arm 7 is connected to the reducer fixing plate 3 through a locking bolt 6, and the other end of the first-level horizontal swing arm 7 is rotatably connected to the square rotary parallel support 9 through a first horizontal rotating shaft 8. The first parallel swing arm rod 13 and the second parallel swing arm rod 14 are arranged in parallel up and down. One ends of the first parallel swing arm rod 13 and the second parallel swing arm rod 14 are connected to the square rotary parallel support 9, and the other ends are connected to the rotary parallel support 15 through a rotary parallel support plate 25. A first locking handle 10 cooperating with the first parallel swing arm rod 13 is arranged on the square rotary parallel support 9, and a second locking handle 17 cooperating with the second parallel swing arm rod 14 is arranged on the rotary parallel support plate 25. Both ends of the first gas spring strut 11 and the second gas spring strut 12 are connected to the rotary parallel support plate 25 and the square rotary parallel support 9 through gas spring support shafts. Specifically, the first-level horizontal swing arm 7 can rotate around the first horizontal rotating shaft 8; the first parallel swing arm rod 13 and the second parallel swing arm rod 14 form a parallelogram and can move freely up and down; the rotary parallel support 15 can rotate freely around the second horizontal rotating shaft 23; the mechanical structure composed of the first-level horizontal swing arm 7, the first parallel swing arm rod 13, the second parallel swing arm rod 14, the rotary parallel support 15, and the square rotary parallel support 9 can enable the operating head 5 to reach any point on the plane; the function of the gas spring strut is to press the entire first-level horizontal swing arm 7 and the square rotary parallel support 9 against the cabinet surface of the ring main unit 30 to prevent the operating head 5 from disengaging from the load switch operating hole 31 during the working process.
[0029] Specifically, the gas spring support shaft includes a first gas spring support shaft 21 and a second gas spring support shaft 22. The first gas spring strut 11 and the second gas spring strut 12 are distributed on both sides of the first parallel swing arm rod 13 and the second parallel swing arm rod 14. One ends of the first gas spring strut 11 and the second gas spring strut 12 are hinged to the lower part of the square rotary parallel support 9 through the first gas spring support shaft 21, and the other ends of the first gas spring strut 11 and the second gas spring strut 12 are hinged to the upper part of the rotary parallel support plate 25 through the second gas spring support shaft 22.
[0030] Such as Figure 5As shown, the square slewing parallel support 9 is arranged as a U-shaped frame. A first horizontal slewing shaft mounting hole 9-1 is provided in the middle of the horizontal plate of the U-shaped frame. The first horizontal slewing shaft 8 is mounted in the first horizontal slewing shaft mounting hole 9-1. Gas spring support shaft holes 9-3 and first locking handle holes 9-2 are provided on the two vertical plates of the U-shaped frame. The first gas spring support shaft 21 is connected through the gas spring support shaft holes 9-3. The first locking handle 10 passes through the first locking handle hole 9-2 and is then connected to the first parallel swing arm rod 13.
[0031] Two pieces of slewing parallel support plates 25 are symmetrically arranged. The slewing parallel support plates 25 are connected to the slewing parallel support 15 through slewing parallel support plate fixing bolts 26.
[0032] The adsorption and positioning assembly includes a plurality of permanent magnetic chucks 18 and a connecting chassis 16. The connecting chassis 16 is connected to the slewing parallel support 15 through a second horizontal slewing shaft 23. A plurality of the permanent magnetic chucks 18 are connected to the bottom surface of the connecting chassis 16 through permanent magnetic chuck fixing screws 24. A second horizontal slewing shaft fixing bolt 27 for positioning is provided on the ring sleeve of the connecting chassis 16. A positioning round platform is provided on the top surface of the permanent magnetic chuck 18. After the positioning round platform is embedded into the positioning groove on the bottom surface of the connecting chassis 16, it is fastened through the permanent magnetic chuck fixing screws 24. As Figure 4 shown, the connecting chassis 16 includes a four-claw plate at the bottom and a connecting column at the top. The four-claw plate and the connecting column are integrally formed or fixedly connected together. Four permanent magnetic chuck fixing screw holes 16-1 are provided on the four-claw plate. The center of the connecting column is provided as a second horizontal slewing shaft mounting hole 16-2. A second horizontal slewing shaft fixing bolt hole 16-3 communicating with the second horizontal slewing shaft mounting hole 16-2 is provided on the side wall of the connecting column. Specifically, the connecting chassis 16 can be arranged in a three-claw, four-claw or five-claw structure. The number of permanent magnetic chucks 18 matches the number of claws of the connecting chassis 16, as long as the adsorption operation is stable and reliable. Specifically, in one embodiment, four 75mm permanent magnetic chucks are fixed on a quadrilateral connecting chassis, which can resist a horizontal force of 500N and a vertical force of 1000N.
[0033] Specifically, the material of the reducer fixing plate 3 is 6061 aluminum alloy, the material of the operating head 5 is 45# steel, and the materials of the first-level horizontal swing arm 7, the first horizontal rotating shaft 8, the square rotating parallel support 9, the connecting chassis 16, the second horizontal rotating shaft 23, and the rotating parallel support plate 15 are all 6061 aluminum alloy. The materials of the first parallel swing arm rod 13 and the second parallel swing arm rod 14 are 6063 aluminum alloy profiles. They are processed by milling and turning methods, which are convenient and fast. The threads of the first locking handle 10 and the second locking handle 17 are M6*60, and the handle heads are plum-shaped; the supporting forces of the first gas spring strut 11 and the second gas spring strut 12 are both 100N; the outer diameter of the permanent magnet chuck 18 is 75mm, and it is internally provided with 12 neodymium iron boron circular magnets. The remaining connecting bolts or screws are standard parts purchased externally.
[0034] The working process of the present invention is as follows:
[0035] As Figure 3 shown, taking the closing operation of the load switch as an example, first, the staff adsorbs the permanent magnet adsorption type electric load switch remote control operation device on the surface of the ring main unit 30, loosens the first locking handle 10 and the second locking handle 17, aligns the operating head 5 with the load switch operation hole 31 and inserts and fixes it, and tightens the first locking handle 10 and the second locking handle 17. At this time, the permanent magnet adsorption type electric load switch remote control operation device reaches the working preparation state;
[0036] The staff withdraws to the safe area and presses the closing button on the remote control. The operating head of the permanent magnet adsorption type electric load switch remote control operation device rotates clockwise under the drive of the reduction motor 19 and the planetary reducer 4 to close the load switch. After the closing is in place, the staff presses the stop button on the remote control, and the permanent magnet adsorption type electric load switch remote control operation device stops rotating.
[0037] Then, the staff loosens the first locking handle 10 and the second locking handle 17, pulls out the operating head 3 from the load switch operation hole, removes the permanent magnet chuck, and then folds and retracts the first-level horizontal swing arm 7, the first parallel swing arm rod 13, and the second parallel swing arm rod 14. At the same time, the first gas spring strut 11 and the second gas spring strut 12 contract and return to their positions, and the entire set of devices can be withdrawn.
[0038] The control module 20 of the present invention is electrically connected to the control center of the device and is controlled through the buttons of the control center. The reduction motor 19 adopts a voltage regulation speed control working mode, and the control method is wireless remote control. The rotation speed and direction of the reduction motor are controlled wirelessly to play a role in adjusting the operation speed. This automated operation is convenient and fast.
[0039] The embodiments described above only describe the preferred embodiments of the present invention; they do not limit the scope of the present invention; without departing from the spirit of the present invention's design, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention should all fall within the protection scope determined by the claims of the present invention.
Claims
1. A remote control operating device for a permanent magnet adsorption type electric load switch, characterized in that: The invention comprises a driving device, an operating head (5), a swing arm mechanism, an adsorption positioning component and a control module (20), wherein the operating head (5) is installed at the working end of the driving device, the driving device is connected to one end of the swing arm mechanism via a reducer fixing plate (3), the other end of the swing arm mechanism is connected to the adsorption positioning component via a slewing parallel support (15), and the driving device and the power components in the swing arm mechanism are electrically connected to the control module (20); when working, the adsorption positioning component is adsorbed and connected to the side wall of the ring network cabinet (30), the working end of the operating head (5) is inserted into the load switch operating hole (31), and the driving device drives the operating head (5) to rotate and drives the load switch to close.
2. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 1, characterized in that: The driving device comprises a reduction motor (19) and a planetary reducer (4), wherein the reduction motor (19) and the planetary reducer (4) are connected together by transmission, the planetary reducer (4) is connected to one side of the reducer fixing plate (3) via a locking bolt (6), the operating head (5) is connected to the output end of the planetary reducer (4), and a motor housing (2) and a motor housing rear cover (1) are arranged outside the reduction motor (19), and the motor housing rear cover (1) is clamped and connected to the motor housing (2) and covers the reduction motor (19).
3. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 2, characterized in that: The output end of the planetary reducer (4) is arranged as a square column, the connection end of the operating head (5) is arranged as a square groove, and the square column is embedded and connected in the square groove.
4. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 1, characterized in that: The swing arm mechanism is configured as a foldable structure, comprising a primary horizontal swing arm (7), a square rotary parallel support (9), a first gas spring support rod (11), a second gas spring support rod (12), a first parallel swing arm rod (13), a second parallel swing arm rod (14) and two locking handles, one end of the primary horizontal swing arm (7) is connected to the reducer fixing plate (3) via a locking bolt (6), the other end of the primary horizontal swing arm (7) is rotatably connected to the square rotary parallel support (9) via a first horizontal rotary shaft (8), and the first parallel swing arm rod (13) is connected to the square rotary parallel support (9) via a locking bolt (6). (13) and the second parallel swing arm rod (14) are arranged in parallel up and down, one end of the first parallel swing arm rod (13) and the second parallel swing arm rod (14) are connected to the square rotary parallel support (9), and the other end is connected to the rotary parallel support (15) through a rotary parallel support plate (25), the square rotary parallel support (9) is provided with a first locking handle (10) matched with the first parallel swing arm rod (13), and the rotary parallel support plate (25) is provided with a second locking handle (17) matched with the second parallel swing arm rod (14); Both ends of the first gas spring support rod (11) and the second gas spring support rod (12) are connected to the rotary parallel support plate (25) and the square rotary parallel support (9) via gas spring support shafts.
5. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 4, characterized in that: The gas spring support shaft includes a first gas spring support shaft (21) and a second gas spring support shaft (22). The first gas spring strut (11) and the second gas spring strut (12) are distributed on both sides of the first parallel swing arm rod (13) and the second parallel swing arm rod (14). One end of the first gas spring strut (11) and the second gas spring strut (12) is hinged to the lower part of the square rotary parallel support (9) through the first gas spring support shaft (21), and the other end of the first gas spring strut (11) and the second gas spring strut (12) is hinged to the upper part of the rotary parallel support plate (25) through the second gas spring support shaft (22).
6. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 5, characterized in that: The square rotary parallel support (9) is arranged as a U-shaped frame. A first horizontal rotary shaft mounting hole (9-1) is provided in the middle of the horizontal plate of the U-shaped frame. The first horizontal rotary shaft (8) is mounted in the first horizontal rotary shaft mounting hole (9-1). Gas spring support shaft holes (9-3) and first locking handle holes (9-2) are provided on the two vertical plates of the U-shaped frame. The first gas spring support shaft (21) is connected through the gas spring support shaft hole (9-3). The first locking handle (10) passes through the first locking handle hole (9-2) and is then connected to the first parallel swing arm rod (13).
7. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 5, characterized in that: Two pieces of the rotary parallel support plates (25) are symmetrically arranged. The rotary parallel support plates (25) are connected to the rotary parallel support (15) through rotary parallel support plate fixing bolts (26).
8. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 1, characterized in that: The adsorption positioning assembly includes a plurality of permanent magnetic chucks (18) and a connecting chassis (16). The connecting chassis (16) is connected to the rotary parallel support (15) through a second horizontal rotary shaft (23). The plurality of permanent magnetic chucks (18) are connected to the bottom surface of the connecting chassis (16) through permanent magnetic chuck fixing screws (24).
9. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 8, characterized in that: A second horizontal rotary shaft fixing bolt (27) for positioning is provided on the circular ring sleeve of the connecting chassis (16). A positioning round table is provided on the top surface of the permanent magnetic chuck (18). After the positioning round table is embedded into the positioning groove on the bottom surface of the connecting chassis (16), it is fastened through the permanent magnetic chuck fixing screw (24).
10. The remote control operating device for a permanent magnet adsorption type electric load switch according to claim 8, characterized in that: The connecting chassis (16) includes a four-claw plate at the bottom and a connecting column at the top. The four-claw plate and the connecting column are integrally formed or fixedly connected together. Four permanent magnetic chuck fixing screw holes (16-1) are provided on the four-claw plate. The center of the connecting column is provided as a second horizontal rotary shaft mounting hole (16-2). A second horizontal rotary shaft fixing bolt hole (16-3) communicating with the second horizontal rotary shaft mounting hole (16-2) is provided on the side wall of the connecting column.
Citation Information
Patent Citations
Permanent magnet adsorption type electric load switch remote control operation device
CN212230320U