Environment-friendly solid insulation high-voltage ring main unit

Abstract

The invention discloses an environment-friendly solid insulation high-voltage ring main unit, and belongs to the technical field of high-voltage ring main unit equipment, the environment-friendly solid insulation high-voltage ring main unit comprises a shell, a shielding assembly and an inner supporting assembly are symmetrically arranged on the shell, a driving assembly is arranged between the shielding assembly and the inner supporting assembly, and the shielding assembly and the inner supporting assembly are matched with each other through the driving assembly. According to the high-voltage ring main unit, the required cabinet door can be automatically opened and closed according to requirements, so that the operation convenience is improved, the position of the cabinet door can be locked through the arrangement of the self-locking unit, so that the cabinet door is prevented from being accidentally opened, the safety of the high-voltage ring main unit is enhanced, the stability of the high-voltage ring main unit is improved through the arrangement of the inner supporting assembly, and the service life of the high-voltage ring main unit is prolonged. According to the utility model, the probability of damage to internal electrical parts caused by external impact of the cabinet body is reduced, and the cabinet door can be manually opened under the condition of power loss through the arrangement of the inner hexagonal circular plate, so that more choices and flexibility are provided for users, and a guarantee is provided when an automatic system breaks down or needs emergency access.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage ring network cabinet equipment, in particular to an environmentally friendly solid-insulated high-voltage ring network cabinet. Background Art

[0002] In the power system, the performance and safety of high-voltage ring main unit (RMU) are crucial as important power distribution equipment. However, the traditional high-voltage ring main unit (RMU) has some shortcomings in design and use. For example, the opening and closing operation of the cabinet door is often not convenient enough, the degree of automation is low, and manual operation is required, which not only increases the difficulty of operation, but also reduces work efficiency.

[0003] In addition, traditional high-voltage ring network cabinets also have hidden dangers in terms of safety. Since the cabinet door locking mechanism is not reliable enough, it is easy to be accidentally opened, posing a threat to the safety of operators. At the same time, the stability of the cabinet body needs to be improved to cope with external impacts and harsh environments and protect internal electrical components from damage. Therefore, the present invention provides an environmentally friendly solid-insulated high-voltage ring network cabinet. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides an environmentally friendly solid-insulated high-voltage ring network cabinet, which overcomes the problems that the cabinet door opening and closing operation is often not convenient enough, the degree of automation is low, and there are hidden dangers in safety and stability.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an environmentally friendly solid-insulated high-voltage ring network cabinet, comprising a shell, a partition plate fixedly arranged on the shell, a shielding assembly and an internal support assembly symmetrically arranged on the shell, the shielding assemblies each include two symmetrical cabinet doors rotatably mounted on the shell, a self-locking unit and an expansion unit are arranged between the cabinet doors and the shell, the self-locking unit is used to limit the position between the cabinet doors and the shell, the expansion unit each includes a strip push plate rotatably mounted on the partition plate, the strip push plate is used to push the corresponding cabinet door to move, the internal support assemblies each include two symmetrical strip support plates rotatably mounted on the partition plate, the strip support plates are used to auxiliary support the cabinet doors, a driving assembly is arranged between the shielding assembly and the internal support assembly, the driving assembly is used to adjust the position of the cabinet doors and the strip support plates.

[0006] Furthermore, the self-locking units each include two fan-shaped strips, which are rotatably mounted on the shell, and torsion springs are arranged between the fan-shaped strips and the shell. Limiting strips are symmetrically fixed on the cabinet door, and the limiting strips are provided with sliding grooves that cooperate with the fan-shaped strips. A transmission group is arranged between the two fan-shaped strips in the same self-locking unit.

[0007] Furthermore, torsion springs are provided between the cabinet door and the shell, and L-shaped protective plates are symmetrically fixed on both sides of the shell. The L-shaped protective plates are used to shield the components of the self-locking unit, and louvers are also symmetrically provided on the shell.

[0008] Furthermore, the self-locking units also include a transmission shaft rotatably mounted on the partition plate, a gear set is arranged between the transmission shaft and the corresponding fan-shaped strip plate, the ends of the strip push plates closest to the corresponding transmission circular plates are evenly arranged with teeth, and teeth are evenly arranged on two-fifths of the circumference of the transmission circular plate. When the teeth on the transmission circular plate are engaged with the teeth on the corresponding strip push plates, a gear pair is formed, and a torsion spring is arranged between the strip push plate and the partition plate.

[0009] Furthermore, the driving assembly includes a driving gear 1, a driving gear 2, and a driving circular plate rotatably mounted on the partition plate. The driving gear 1 and the driving gear 2 are symmetrically arranged relative to the driving circular plate. Teeth are evenly arranged on two-fifths of the circumference of the driving circular plate. The teeth on the driving circular plate form a gear pair when engaged with the driving gear 1 and the driving gear 2.

[0010] Furthermore, the shielding components also include a linkage gear rotatably installed on the partition plate, a driven gear is fixedly arranged on the transmission circular plate closest to the linkage gear, the driven gear and the linkage gear are meshed to form a gear pair, a driven belt 1 is arranged between the drive gear 1 and the corresponding linkage gear and the corresponding transmission circular plate not provided with the driven gear, and a driven belt 2 is arranged between the drive gear 2 and the corresponding linkage gear and the corresponding transmission circular plate not provided with the driven gear.

[0011] Furthermore, the internal support assembly also includes a diamond-shaped rotating block and two internal support racks. The two internal support racks are symmetrically slidably installed on the partition plate. The diamond-shaped rotating block is rotatably installed on the partition plate. An internal support push plate is fixedly provided at the end of the internal support rack closest to the corresponding diamond-shaped rotating block. The diamond-shaped rotating block is used to push the corresponding two internal support push plates to move. Internal support gears are fixedly provided on the strip support plates. The internal support gears are meshed with the corresponding internal support racks to form a gear rack pair. Transmission group 2 is provided between drive gear 1 and drive gear 2 and the corresponding diamond-shaped rotating blocks. A groove engaged with the lower end of the strip support plate is provided on the shell.

[0012] Furthermore, a hexagonal circular plate and an auxiliary shaft are rotatably mounted on the shell, the hexagonal circular plate and the auxiliary shaft are fixedly connected, the hexagonal circular plate is located on the outside of the shell, there is friction between the hexagonal circular plate and the shell, a gear box is arranged between the auxiliary shaft and the driving circular plate, and the gear box is fixedly mounted on the partition plate.

[0013] Furthermore, a temperature regulator is symmetrically fixedly installed on the inner side of the shell, and the temperature regulator is used to adjust the temperature inside the shell. A temperature sensor is also fixedly installed on the lower surface of the partition plate, and the temperature sensor is used to monitor the temperature inside the shell.

[0014] The beneficial effects of the present invention compared with the prior art are as follows: (1) The present invention can realize automatic opening and closing of the required cabinet doors according to needs through the mutual cooperation of the driving component and the shielding component, thereby improving the convenience of operation. (2) The present invention can lock the position of the cabinet door by setting a self-locking unit, thereby preventing the cabinet door from opening accidentally and enhancing the safety of the high-voltage ring network cabinet. (3) The present invention improves the stability of the high-voltage ring network cabinet by setting an internal support component and reduces the probability of damage to internal electrical components of the cabinet due to external impact. (4) The present invention can manually open the cabinet door in the event of power failure by setting an inner hexagonal circular plate, which provides users with more choices and flexibility and provides protection when the automatic system fails or emergency access is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a schematic structural diagram of the housing of the present invention.

[0017] Figure 3 It is a schematic diagram of the structure inside the shell of the present invention.

[0018] Figure 4 It is a front view of the internal structure of the shell of the present invention.

[0019] Figure 5 It is a top view of the internal structure of the shell of the present invention.

[0020] Figure 6 It is a structural schematic diagram of the self-locking unit of the present invention.

[0021] Figure 7 for Figure 6 A local enlarged schematic diagram of point A in the middle.

[0022] Figure 8 It is a schematic structural diagram of the inner support assembly of the present invention.

[0023] Fig. 9 for Figure 8 A local enlarged schematic diagram of point B in the middle.

[0024] Fig.10 It is a structural schematic diagram of the partition plate of the present invention.

[0025] Fig.11 for Fig.10 A partial enlarged schematic diagram of point C in the middle.

[0026] Fig.12 for Fig.10 A local enlarged schematic diagram of point D in the middle.

[0027] Fig.13 for Fig.10 A partial enlarged schematic diagram of point E in the middle.

[0028] Fig.14 It is a top view of the structure at the partition plate of the present invention.

[0029] Fig.15 It is a structural schematic diagram of the auxiliary shaft of the present invention.

[0030] Reference numerals: 101-housing; 102-cabinet door; 103-louver; 104-hexagonal circular plate; 105-partitioning plate; 106-L-shaped protective plate; 107-electrical component; 108-strip support plate; 109-temperature regulator; 110-auxiliary shaft; 111-gear box; 112-sector strip plate; 113-limiting strip block; 114-transmission shaft; 115-transmission pulley; 116-transmission bevel gear 1; 117-transmission bevel gear 2; 118-transmission belt; 119-transmission circular plate; 120-inner support rack; 12 1-inner support push plate; 122-diamond-shaped rotating block; 123-inner support gear; 124-strip push plate; 125-driven pulley 1; 126-driven belt 1; 127-limiting rod; 128-driven belt 2; 129-driven gear; 130-interlocking gear; 131-driven pulley 2; 132-driving gear 1; 133-driving gear 2; 134-driving pulley; 135-auxiliary pulley 1; 136-auxiliary belt; 137-driving circular plate; 138-auxiliary pulley 2; 139-temperature sensor; 140-unfolding motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0032] Example: Reference Figure 1-Figure 15 , an environmentally friendly solid insulated high-voltage ring network cabinet, including a shell 101, a plurality of electrical components 107 are evenly installed on the inner side of the shell 101, the shell 101 is used to protect the internal electrical components 107, a partition plate 105 is fixedly arranged on the shell 101, the partition plate 105 is located above the electrical components 107, and shielding components are symmetrically arranged on the shell 101, and the shielding components include two cabinet doors 102 symmetrically rotatably installed on the shell 101, and the two shielding components are respectively used to shield the two sides of the electrical components 107, and a torsion spring is arranged between the cabinet door 102 and the shell 101, one end of the torsion spring is fixedly connected to the shell 101, and the other end of the torsion spring is fixedly connected to the cabinet door 102. In the initial position, the torsion spring between the shell 101 and the cabinet door 102 is not compressed, and at this time, the ends of the two cabinet doors 102 in the same shielding assembly are in a joint state, that is, at this time, a closed chamber is formed inside the shell 101 and the cabinet door 102, and louver plates 103 are also symmetrically arranged on the shell 101.

[0033] A temperature regulator 109 is symmetrically fixedly installed on the inner side of the shell 101 , and the temperature regulator 109 is used to adjust the temperature inside the shell 101 . A temperature sensor 139 is also fixedly installed on the lower surface of the partition plate 105 , and the temperature sensor 139 is used to monitor the temperature inside the shell 101 .

[0034] A self-locking unit and an unfolding unit are provided between the cabinet door 102 and the housing 101. The self-locking unit is used to limit the position between the cabinet door 102 and the housing 101. The self-locking unit includes two fan-shaped strips 112, which are rotatably mounted on the housing 101. A torsion spring is provided between the fan-shaped strips 112 and the housing 101. One end of the torsion spring is fixedly connected to the fan-shaped strips 112, and the other end of the torsion spring is fixedly connected to the housing 101. A limit strip 113 is symmetrically fixedly provided on the cabinet door 102. The limit strip 113 3 are provided with a slide groove matched with the fan-shaped strip plate 112, a transmission group 1 is provided between the two fan-shaped strip plates 112 in the same self-locking unit, and the transmission group 1 includes a transmission belt 118 and two transmission pulleys 115, the two transmission pulleys 115 are respectively fixedly installed on the corresponding fan-shaped strip plates 112, and the transmission belt 118 is arranged on the corresponding two transmission pulleys 115. L-shaped protective plates 106 are symmetrically fixedly provided on both sides of the housing 101, and the L-shaped protective plates 106 are used to shield the components of the self-locking unit.

[0035] In the initial position, that is, when the torsion spring between the shell 101 and the cabinet door 102 is not compressed, the fan-shaped strip 112 and the corresponding slide groove on the limiting strip 113 are in an engaged state. Under the action of the fan-shaped strip 112 and the limiting strip 113, the cabinet door 102 cannot rotate relative to the shell 101.

[0036] The self-locking units also include a transmission shaft 114 rotatably mounted on the partition plate 105, a gear set is provided between the transmission shaft 114 and the corresponding fan-shaped strip plate 112, the gear set includes a transmission bevel gear 1 16 and a transmission bevel gear 2 117, the transmission bevel gear 1 116 is fixedly mounted on the corresponding transmission shaft 114, the transmission bevel gear 2 117 is fixedly mounted on the corresponding fan-shaped strip plate 112, and the transmission bevel gear 1 116 and the transmission bevel gear 2 117 are meshed to form a gear pair.

[0037] The drive shaft 114 rotates, and under the action of the drive bevel gear 116 and the drive bevel gear 2 117, the corresponding fan-shaped strip 112 rotates, and under the action of the drive pulley 115 and the drive belt 118, the two fan-shaped strips 112 rotate synchronously, and the fan-shaped strip 112 rotates in the direction away from the corresponding limiting block 113, and finally the fan-shaped strip 112 disengages from the sliding groove on the corresponding limiting block 113, that is, the fan-shaped strip 112 releases the restriction on the position of the corresponding cabinet door 102, and the cabinet door 102 can rotate relative to the shell 101.

[0038] The unfolding units all include a strip push plate 124 rotatably mounted on the partition plate 105, the strip push plate 124 is used to push the corresponding cabinet door 102 to move, a torsion spring is arranged between the strip push plate 124 and the partition plate 105, one end of the torsion spring is fixedly connected to the partition plate 105, and the other end of the torsion spring is fixedly connected to the strip push plate 124, the end of the strip push plate 124 closest to the corresponding transmission circular plate 119 is evenly provided with teeth, and teeth are evenly provided on two-fifths of the circumference of the transmission circular plate 119, and the teeth on the transmission circular plate 119 form a gear pair when engaged with the teeth on the corresponding strip push plate 124.

[0039] When the drive shaft 114 is driven to rotate, the drive circular plate 119 rotates synchronously. When the drive shaft 114 drives the fan-shaped strip plate 112 to rotate so that the fan-shaped strip plate 112 is disengaged from the limit strip block 113, the teeth on the drive circular plate 119 contact the teeth on the corresponding strip push plate 124, and the drive shaft 114 continues to rotate. Under the action of the drive circular plate 119, the strip push plate 124 rotates, and the end of the strip push plate 124 rotates toward the outside of the shell 101. Then, under the action of the strip push plate 124, the end of the cabinet door 102 rotates toward the outside of the shell 101, so that the opening and closing of the cabinet door 102 is controlled.

[0040] Internal support assemblies are symmetrically arranged on the shell 101, and each of the internal support assemblies includes two symmetrical strip support plates 108 rotatably mounted on the partition plate 105. The strip support plates 108 are used to assist in supporting the cabinet door 102. A driving assembly is arranged between the shielding assembly and the internal support assembly, and the driving assembly is used to adjust the positions of the cabinet door 102 and the strip support plates 108.

[0041] The driving assembly includes a driving gear 132, a driving gear 2 133, and a driving circular plate 137 which are rotatably mounted on the partition plate 105. The driving gear 132 and the driving gear 2 133 are symmetrically arranged relative to the driving circular plate 137. An unfolding motor 140 is fixedly mounted on the partition plate 105. The output shaft of the unfolding motor 140 is fixedly connected to the driving circular plate 137. Teeth are evenly arranged on two-fifths of the circumference of the driving circular plate 137. The teeth on the driving circular plate 137 form a gear pair when engaged with the driving gear 1 132 and the driving gear 2 133.

[0042] In the initial position, neither the driving gear 1 132 nor the driving gear 2 133 contacts the teeth on the driving circular plate 137, and the unfolding motor 140 is started to drive the driving circular plate 137 to rotate. By controlling the driving circular plate 137 to rotate forward and reverse, the driving circular plate 137 is engaged with the driving gear 1 132 and the driving gear 2 133 respectively.

[0043] The shielding assembly also includes a linkage gear 130 rotatably mounted on the partition plate 105, a driven gear 129 is fixedly arranged on the transmission circular plate 119 closest to the linkage gear 130, the driven gear 129 and the linkage gear 130 mesh to form a gear pair, a driven belt 126 is arranged between the driving gear 1 132 and the corresponding linkage gear 130 and the corresponding transmission circular plate 119 not provided with the driven gear 129, and a driving gear 2 133 is arranged between the corresponding linkage gear 130 and the corresponding transmission circular plate 119 not provided with the driven gear 129. A driven belt 128 is arranged in between, a driven pulley 131 is fixedly mounted on the linkage gear 130, a driving pulley 134 is fixedly mounted on the driving gear 132 and the driving gear 133, a driven pulley 125 is fixedly mounted on the transmission circular plate 119 which is not provided with a driven gear 129, and limiting rods 127 are symmetrically arranged on the partition plate 105, and the two limiting rods 127 are respectively engaged with the driven belt 1 126 and the driven belt 2 128, and the limiting rods 127 are used to limit the positions of the driven belt 1 126 and the driven belt 2 128.

[0044] The driving pulley 134 on the driving gear 132, the driven pulley 125 corresponding to the driving gear 132, the driven pulley 2 131 corresponding to the driving gear 132, and the limiting rod 127 corresponding to the driving gear 132 are connected by a driven belt 126, the driving pulley 134 on the driving gear 2 133, the driven pulley 125 corresponding to the driving gear 2 133, the driven pulley 2 131 corresponding to the driving gear 2 133, and the limiting rod 127 corresponding to the driving gear 2 133 are connected by a driven belt 2 128, the two cabinet doors 102 corresponding to the driving gear 132 are components in the same shielding assembly, and the two cabinet doors 102 corresponding to the driving gear 2 133 are also components in the same shielding assembly.

[0045] The unfolding motor 140 is started to drive the driving circular plate 137 to rotate, and the teeth on the driving circular plate 137 engage with the driving gear 1 132. Under the action of the driving circular plate 137, the driving gear 1 132 rotates, and the driving gear 2 133 cannot rotate at this time. The driving pulley 134 on the driving gear 1 132 rotates synchronously, and then under the action of the driven belt 1 126, the driven pulley 1 125 and the driven pulley 2 131 corresponding to the driving gear 1 132 both rotate, and the linkage gear corresponding to the driving gear 1 132 rotates. 130 rotates synchronously, and the driven gear 129 corresponding to the linkage gear 130 also rotates synchronously. The driven gear 129 and the linkage gear 130 rotate in opposite directions, that is, the two transmission circular plates 119 corresponding to the driving gear 132 rotate in opposite directions, so that the rotation directions of the two strip push plates 124 rotate, and then the rotation directions of the two cabinet doors 102 in the shielding assembly corresponding to the driving gear 132 are opposite, that is, the two cabinet doors 102 in the shielding assembly corresponding to the driving gear 132 are opened synchronously.

[0046] Start the unfolding motor 140 to drive the driving circular plate 137 to rotate, and the teeth on the driving circular plate 137 engage with the driving gear 2 133. Under the action of the driving circular plate 137, the driving gear 2 133 rotates. At this time, the driving gear 1 132 cannot rotate. Similarly, the rotation directions of the two cabinet doors 102 in the shielding assembly corresponding to the driving gear 2 133 are opposite, that is, the two cabinet doors 102 in the shielding assembly corresponding to the driving gear 2 133 are opened synchronously.

[0047] The inner support assembly also includes a diamond-shaped rotating block 122 and two inner support racks 120. The two inner support racks 120 are symmetrically slidably installed on the partition plate 105. The diamond-shaped rotating block 122 is rotatably installed on the partition plate 105. An inner support push plate 121 is fixedly provided at the end of the inner support rack 120 closest to the corresponding diamond-shaped rotating block 122. The diamond-shaped rotating block 122 is used to push the corresponding two inner support push plates 121 to move. An inner support gear 123 is fixedly provided on the strip support plate 108. The inner support gear 123 is meshed with the corresponding inner support rack 120 to form a gear rack pair. A torsion spring is provided between the strip support plate 108 and the partition plate 105. One end of the torsion spring is fixedly connected to the strip support plate 108, and the other end of the torsion spring is fixedly connected to the partition plate 105. A groove matching the lower end of the strip support plate 108 is provided on the shell 101.

[0048] In the initial position, the torsion spring between the partition plate 105 and the strip support plate 108 is not compressed. At this time, the two inner support push plates 121 in the same support assembly are located at the closest position to each other. At this time, the two strip support plates 108 in the same support assembly form an X shape, and at this time, the lower end of the strip support plate 108 is engaged with the corresponding groove on the shell 101. Under the action of the groove on the shell 101, the strip support plate 108 is auxiliary supported. The strip support plate 108 closest to the cabinet door 102 in the same support assembly is in contact with the inner surface of the cabinet door 102. The strip support plate 108 auxiliary supports the cabinet door 102, and the other cabinet door 102 in the support assembly auxiliary supports the cabinet door 102, thereby improving the stability of the shell 101 and the cabinet door 102.

[0049] A transmission group 2 is arranged between the driving gear 1 132 and the driving gear 2 133 and the corresponding diamond-shaped rotating block 122. The transmission group 2 includes an auxiliary pulley 1 135, an auxiliary belt 136, and an auxiliary pulley 2 138. The auxiliary pulley 1 135 is fixedly connected to the corresponding driving gear 1 132 and the driving gear 2 133, respectively. The auxiliary pulley 2 138 is fixedly connected to the corresponding diamond-shaped rotating block 122. The auxiliary belt 136 is arranged between the auxiliary pulley 1 135 and the auxiliary pulley 2 138.

[0050] When the driving gear 132 or the driving gear 2 133 is driven to rotate, under the action of the auxiliary pulley 1 135, the auxiliary belt 136, and the auxiliary pulley 2 138, the diamond-shaped rotating block 122 rotates synchronously. Under the action of the diamond-shaped rotating block 122, the two inner support push plates 121 corresponding to the diamond-shaped rotating block 122 move in the directions away from each other, that is, the two inner support racks 120 corresponding to the diamond-shaped rotating block 122 move in the directions away from each other, and the two inner support gears 123 corresponding to the diamond-shaped rotating block 122 both rotate, and the rotation directions of the two inner support gears 123 are opposite, and the strip support plate 108 corresponding to the inner support gear 123 rotates synchronously, that is, the end of the strip support plate 108 rotates in the direction close to the partition plate 105, and when the strip push plate 124 makes the cabinet door 102 rotate outward to the maximum angle, the upper surface of the strip support plate 108 contacts the lower surface of the partition plate 105, that is, the strip support plate 108 is retracted.

[0051] A hexagonal circular plate 104 and an auxiliary shaft 110 are rotatably mounted on the shell 101, and the hexagonal circular plate 104 and the auxiliary shaft 110 are fixedly connected. The axes of the hexagonal circular plate 104 and the auxiliary shaft 110 are in the same straight line. The hexagonal circular plate 104 is located on the outside of the shell 101, and there is friction between the hexagonal circular plate 104 and the shell 101. Under the action of the friction between the hexagonal circular plate 104 and the shell 101, the hexagonal circular plate 104 is prevented from loosening easily. A gear box 111 is arranged between the auxiliary shaft 110 and the driving circular plate 137. The gear box 111 is fixedly mounted on the partition plate 105. Two transmission bevel gears are rotatably mounted in the gear box 111. The two transmission bevel gears are meshed to form a gear pair, and the two transmission bevel gears are fixedly connected to the auxiliary shaft 110 and the driving circular plate 137 respectively.

[0052] The rotating rod matching the hexagonal circular plate 104 is engaged with the hexagonal circular plate 104, and then the rotating rod is manually rotated, the hexagonal circular plate 104 and the auxiliary shaft 110 rotate synchronously, and under the action of the gear box 111, the driving plate 137 rotates, that is, the opening and closing of the cabinet door 102 is manually controlled.

[0053] Working principle: The temperature inside the shell 101 is monitored by the temperature sensor 139, so as to control the temperature regulator 109 to adjust the temperature inside the shell 101.

[0054] When it is necessary to inspect and maintain the electrical components 107 inside the housing 101, the unfolding motor 140 is started to control the driving circular plate 137 to rotate forward and reverse according to the cabinet door 102 to be opened, thereby controlling the required driving gear 1 132 or driving gear 2 133 to rotate. Under the action of the driving gear 1 132 or driving gear 2 133, the self-locking unit first releases the lock of the cabinet door 102 on that side, that is, the fan-shaped strip plate 112 on that side is disengaged from the limit strip block 113, and the driving circular plate 137 continues to rotate. , so that the unfolding unit pushes the cabinet door 102 on this side outward, that is, the strip push plate 124 on this side pushes the corresponding cabinet door 102 outward, that is, the cabinet door 102 on this side is opened, while the driving gear 132 or the driving gear 2 133 rotates, under the action of the transmission group 2, the corresponding diamond-shaped rotating block 122 rotates synchronously, that is, the two strip support plates 108 on this side rotate synchronously, that is, when the cabinet door 102 is fully opened, the strip support plate 108 on this side is in a fully retracted state.

[0055] The cabinet door 102 can be opened manually by manually rotating the hexagonal circular plate 104 under the action of the auxiliary shaft 110 and the gear box 111 .

[0056] The present invention is not limited to the above-mentioned specific implementation modes. Various changes made by technicians in the relevant technical field based on the above-mentioned conception without creative work all fall within the protection scope of the present invention.

Claims

1. An environmentally friendly solid-insulated high-voltage ring main unit, comprising a housing (101), a partition plate (105) being fixedly arranged on the housing (101), characterized in that: The housing (101) is symmetrically provided with a shielding assembly and an inner support assembly, each shielding assembly comprises two cabinet doors (102) symmetrically rotatably mounted on the housing (101), a self-locking unit and an unfolding unit are arranged between the cabinet doors (102) and the housing (101), the self-locking unit is used to limit the position between the cabinet doors (102) and the housing (101), and the unfolding unit comprises a strip push plate (124) rotatably mounted on the partition plate (105), and the strip push plate (124) is used to push the corresponding cabinet door (102) to move; The inner support assembly comprises two strip support plates (108) symmetrically rotatably mounted on the partition plate (105), the strip support plates (108) being used to assist in supporting the cabinet door (102), and a driving assembly being provided between the shielding assembly and the inner support assembly, the driving assembly being used to adjust the positions of the cabinet door (102) and the strip support plates (108).

2. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 1, characterized in that: The self-locking units each comprise two fan-shaped strips (112), each fan-shaped strip (112) being rotatably mounted on the housing (101), each having a torsion spring disposed between the fan-shaped strip (112) and the housing (101), a limit strip (113) being symmetrically fixedly disposed on the cabinet door (102), each having a slide groove matched with the fan-shaped strip (112) disposed on the limit strip (113), and a transmission group 1 being disposed between the two fan-shaped strips (112) in the same self-locking unit.

3. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 2, characterized in that: Torsion springs are provided between the cabinet door (102) and the housing (101); L-shaped protective plates (106) are symmetrically fixedly provided on both sides of the housing (101); the L-shaped protective plates (106) are used to shield components of the self-locking unit; and louvers (103) are also symmetrically provided on the housing (101).

4. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 3, characterized in that: The self-locking units also include a transmission shaft (114) rotatably mounted on the partition plate (105), a gear set is arranged between the transmission shaft (114) and the corresponding fan-shaped strip plate (112), the end of the strip-shaped push plate (124) closest to the corresponding transmission circular plate (119) is uniformly provided with teeth, and teeth are uniformly provided on two-fifths of the circumference of the transmission circular plate (119), and the teeth on the transmission circular plate (119) and the teeth on the corresponding strip-shaped push plate (124) form a gear pair when they are engaged, and a torsion spring is arranged between the strip-shaped push plate (124) and the partition plate (105).

5. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 4, characterized in that: The driving assembly comprises a driving gear 1 (132), a driving gear 2 (133), and a driving circular plate (137) which are rotatably mounted on the partition plate (105); the driving gear 1 (132) and the driving gear 2 (133) are symmetrically arranged relative to the driving circular plate (137); teeth are evenly arranged on two-fifths of the circumference of the driving circular plate (137); and the teeth on the driving circular plate (137) form a gear pair when engaged with the driving gear 1 (132) and the driving gear 2 (133).

6. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 5, characterized in that: The shielding components also include a linkage gear (130) rotatably mounted on the partition plate (105); a driven gear (129) is fixedly arranged on the transmission circular plate (119) closest to the linkage gear (130); the driven gear (129) and the linkage gear (130) are meshed to form a gear pair; a driven belt (126) is arranged between the driving gear 1 (132) and the corresponding linkage gear (130) and the corresponding transmission circular plate (119) not provided with the driven gear (129); and a driven belt (128) is arranged between the driving gear 2 (133) and the corresponding linkage gear (130) and the corresponding transmission circular plate (119) not provided with the driven gear (129).

7. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 6, characterized in that: The inner support assembly also includes a diamond-shaped rotating block (122) and two inner support racks (120). The two inner support racks (120) are symmetrically slidably mounted on the partition plate (105). The diamond-shaped rotating block (122) is rotatably mounted on the partition plate (105). An inner support push plate (121) is fixedly arranged at the end of the inner support rack (120) closest to the corresponding diamond-shaped rotating block (122). The diamond-shaped rotating block (122) is used to push the corresponding two inner support push plates (121) to move. An inner support gear (123) is fixedly arranged on the strip support plate (108). The inner support gear (123) is meshed with the corresponding inner support rack (120) to form a gear rack pair. A transmission group 2 is arranged between the driving gear 1 (132) and the driving gear 2 (133) and the corresponding diamond-shaped rotating block (122). A groove engaging with the lower end of the strip support plate (108) is arranged on the shell (101).

8. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 7, characterized in that: A hexagonal circular plate (104) and an auxiliary shaft (110) are rotatably mounted on the housing (101); the hexagonal circular plate (104) and the auxiliary shaft (110) are fixedly connected; the hexagonal circular plate (104) is located outside the housing (101); friction exists between the hexagonal circular plate (104) and the housing (101); a gear box (111) is arranged between the auxiliary shaft (110) and the driving circular plate (137); and the gear box (111) is fixedly mounted on the partition plate (105).

9. The environmentally friendly solid-insulated high-voltage ring main unit according to claim 8, characterized in that: A temperature regulator (109) is symmetrically fixedly installed on the inner side of the shell (101), and the temperature regulator (109) is used to adjust the temperature inside the shell (101). A temperature sensor (139) is also fixedly installed on the lower surface of the partition plate (105), and the temperature sensor (139) is used to monitor the temperature inside the shell (101).

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