A ring network box with emergency power supply mechanism

Abstract

The present application relates to the field of ring network boxes, and in particular to a ring network box with an emergency power supply mechanism, which includes a box body, a hinge shaft, a box door, and a sealing gasket, one side of the box body is provided with a placement groove, the bottom of the placement groove is provided with a receiving cavity, the top wall of the receiving cavity is fixedly connected with an emergency power supply interface, the hinge shaft rotates around its own axis and is connected to the groove wall of the placement groove, the rotation axis of the hinge shaft is vertical, one end of the box door is fixedly connected to the hinge shaft, the box door is used to cover the notch of the placement groove, one side of the sealing gasket is fixedly connected to one end of the box door facing the receiving cavity, and the other side of the sealing gasket is used to abut the bottom of the placement groove. When the box door is closed, the sealing gasket enhances the sealing performance between the box door and the bottom of the placement groove, reduces the probability of external rainwater infiltrating into the receiving cavity, and reduces the probability of water contacting the emergency power supply interface.

Description

Technical Field

[0001] The present application relates to the field of ring network boxes, and in particular to a ring network box with an emergency power supply mechanism. Background Art

[0002] Ring main box, also known as ring main cabinet, is an important equipment used in power distribution system. Ring main box is a device that organically integrates a certain number of ring main cabinets in a metal box, mainly used for ring network power supply for users. Ring main box has tapping function, power distribution function, protection function and control function.

[0003] In order to cope with sudden power grid accidents, State Grid Corporation of China has configured an emergency power supply vehicle, which requires reserving an emergency power supply interface in the 10KV distribution network. As the main power distribution equipment in the 10KV distribution network, the outdoor ring network box is most suitable for configuring the emergency power supply interface.

[0004] The typical design scheme for configuring an emergency power interface in a current 10KV power distribution network is to reserve an emergency power interface on the lower rear side of the TV cabinet. However, due to the low height of the emergency power interface, water can easily come into contact with the interface when used in rainy or snowy weather, which is not conducive to the normal use of the ring network box. Summary of the invention

[0005] In order to reduce the probability of water contacting the emergency power supply interface, the present application provides a ring network box with an emergency power supply mechanism.

[0006] The present application provides a ring network box with an emergency power supply mechanism, which adopts the following technical solution:

[0007] A ring network box with an emergency power supply mechanism comprises a box body, a hinge shaft, a box door and a sealing gasket, wherein a placement groove is provided on one side of the box body, a accommodating cavity is provided at the bottom of the placement groove, an emergency power supply interface is fixedly connected to the top wall of the accommodating cavity, the hinge shaft rotates around its own axis and is connected to the groove wall of the placement groove, the rotation axis of the hinge shaft is vertical, one end of the box door is fixedly connected to the hinge shaft, the box door is used to cover the notch of the placement groove, one side of the sealing gasket is fixedly connected to one end of the box door facing the accommodating cavity, and the other side of the sealing gasket is used to abut the bottom of the placement groove.

[0008] By adopting the above technical solution, when the box door is closed, the sealing gasket enhances the sealing between the box door and the bottom of the placement groove, reduces the probability of external rainwater penetrating into the accommodating cavity, and reduces the probability of water contacting the emergency power supply interface.

[0009] Preferably, the height of the top wall of the accommodating cavity is greater than the height of the placement groove, and the height of the bottom wall of the accommodating cavity increases as it moves away from the placement groove.

[0010] By adopting the above technical solution, the emergency power supply interface is connected to the top wall of the accommodating cavity, and the bottom of the groove is placed to shield the emergency power supply interface, thereby reducing the probability of water contacting the emergency power supply interface. After water enters the accommodating cavity, the water flows out along the height difference of the bottom wall of the accommodating cavity, thereby reducing the impact of moisture on the emergency power supply interface.

[0011] Preferably, it also includes a shielding assembly, which is arranged on a side of the emergency power supply interface close to the placement slot, and the shielding assembly includes a rotating column, a rain shield curtain and a sliding column, the rotating column rotates around its own axis and is connected to the inner wall of the accommodating cavity, the rotating axis of the rotating column is horizontal and parallel to the bottom of the placement slot, one end of the rain shield curtain is fixedly connected to the outer wall of the rotating column, and the other end of the rain shield curtain is fixedly connected to the outer wall of the sliding column.

[0012] By adopting the above technical solution, the rotating column rotates to realize the reeling or releasing of the rain shield, and the rain shield is used to shield the emergency power supply interface to reduce the probability of external water contacting the emergency power supply interface. The sliding column improves the stability of the rain shield setting, and the sliding column can slide along the height difference of the bottom wall of the accommodating cavity, so that the rain shield is set at an angle, which facilitates water droplets to flow out of the accommodating cavity along the rain shield, reducing the probability of water contacting the emergency power supply interface.

[0013] Preferably, the shielding assembly also includes a limiting ring, a plurality of the rain shield curtains are provided, and the plurality of the rain shield curtains are spaced apart along the axis of the rotating column, a plurality of the sliding columns are provided, and the sliding columns and the rain shield curtains are provided in one-to-one correspondence, the limiting ring is coaxially fixedly connected to the outer wall of the rotating column, and a plurality of the limiting rings are provided, and limiting rings are arranged between adjacent rain shield curtains.

[0014] By adopting the above technical solution, the limit ring guides the rolling of the rain shield, so that the rain shield can be stably rolled up and unwound, which is convenient for shielding the emergency power supply interface and is convenient for users to use.

[0015] Preferably, it also includes a synchronous part, which includes a first synchronous wheel, a drive shaft, a second synchronous wheel, a synchronous belt, a first bevel gear and a second bevel gear. The upper end of the hinge shaft extends into the accommodating cavity, the first synchronous wheel is coaxially fixedly connected to the outer wall of the hinge shaft, the drive shaft is coaxially rotatably connected to the top wall of the accommodating cavity, the rotation axis of the drive shaft is vertical, the second synchronous wheel is coaxially fixedly connected to the outer wall of the drive shaft, the synchronous belt is sleeved on the outer periphery of the first synchronous wheel and the second synchronous wheel, the first bevel gear is coaxially fixedly connected to the lower end of the drive shaft, the second bevel gear is coaxially fixedly connected to the outer wall of the rotating column, and the first bevel gear is meshed with the second bevel gear.

[0016] By adopting the above technical solution, when the box door is opened, the hinge shaft rotates through the synchronous part to drive the rotating column to rotate, so as to unwind the rain shield and shield the emergency power supply interface. When the box door is closed, the hinge shaft rotates through the synchronous part to drive the rotating column to rotate, so as to rewind the rain shield and facilitate the storage of the rain shield.

[0017] Preferably, the hinge shaft includes a first connecting column, a second connecting column and a third connecting column, the first connecting column, the second connecting column and the third connecting column are all coaxially arranged, the first connecting column rotates around its own axis and is connected to the groove wall of the placement groove, the upper end of the first connecting column extends into the accommodating cavity, the third connecting column rotates around its own axis and is connected to the top wall of the accommodating cavity, the second connecting column is coaxially provided with a connecting port, the connecting port is used for the first connecting column and the third connecting column to extend therein, the inner wall of the connecting port is provided with a positioning groove, the positioning groove passes through the second connecting column along the axial direction of the connecting port, the outer wall of the first connecting column is fixedly connected with a positioning strip, the outer wall of the third connecting column is fixedly connected with a limiting strip, the positioning groove is used for the positioning strip and the limiting strip to be slidably embedded, the first synchronous wheel is coaxially fixedly connected to the outer wall of the third connecting column, and one end of the box door is fixedly connected to the first connecting column.

[0018] By adopting the above technical solution, when it is rainy or snowy outside, the positioning bar and the limit bar are slidably embedded in the positioning groove, the second connecting column connects the first connecting column and the third connecting column, and the rotation of the box door drives the rotating column to rotate through the synchronous part. When it is sunny outside, the first connecting column is separated from the third connecting column, and there is no need to roll up the rain curtain, which is convenient for heat dissipation.

[0019] Preferably, it also includes an abutment ring and a limiting column, wherein the abutment ring is coaxially fixedly connected to the outer wall of the second connecting column, the lower end of the limiting column is fixedly connected to the upper end of the abutment ring, and the top wall of the accommodating cavity is provided with a limiting groove, and the limiting groove is used for the upper end of the limiting column to be embedded.

[0020] By adopting the above technical solution, when it is sunny outside, the second connecting column slides upward to separate the first connecting column from the third connecting column. The movement of the second connecting column drives the abutment ring to move, so that the limiting column is embedded in the limiting groove, limiting the rotating column, reducing the automatic unwinding of the rain shield due to the gravity of the sliding column, and improving the stability of the shielding assembly.

[0021] Preferably, it also includes a lifting column, the outer wall of the box body is provided with a sliding opening, the sliding opening is connected to the accommodating cavity, the lifting column is slidably connected to the inner wall of the sliding opening, the sliding direction of the lifting column is vertical, and the upper end of the lifting column abuts the lower end of the abutting ring.

[0022] By adopting the above technical solution, the connection and disconnection of the first connecting column and the third connecting column can be conveniently controlled by sliding the lifting column, which is easy to operate and use.

[0023] Preferably, it also includes a support block, a support spring, a water reservoir and a connecting rod, wherein the support block is fixedly connected to the outer wall of the box body, the lower end of the support spring is fixedly connected to the upper end of the support block, the upper end of the support spring is fixedly connected to the lower end of the water reservoir, one end of the connecting rod is fixedly connected to the water reservoir, and the other end of the connecting rod is fixedly connected to the lifting rod.

[0024] By adopting the above technical solution, the accumulation of rain and snow in the water reservoir increases the overall gravity of the water reservoir, and the water reservoir overcomes the elastic force of the supporting spring and slides down, and the lifting rod is driven to slide synchronously through the connecting rod, so that when it is rainy or snowy outside, the first connecting column and the third connecting column are connected by the second connecting column, which is convenient for controlling the unwinding of the rain curtain and reducing the probability of water contacting the emergency power supply interface.

[0025] Preferably, it also includes a water baffle plate, and the upward inner wall and the downward inner wall of the sliding opening are both provided with a water baffle groove, and the water baffle plate is slidably embedded in the water baffle groove. There are two water baffle plates, and the water baffle plates and the water baffle grooves are arranged one by one. The two water baffle plates are arranged on both sides of the lifting column, and the water baffle plates are fixedly connected to the outer wall of the lifting column.

[0026] By adopting the above technical solution, the water retaining plate reduces the probability of external rainwater entering the accommodating cavity from the sliding opening, thereby protecting the device.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. When the door is closed, the sealing gasket enhances the sealing between the door and the bottom of the placement slot, reduces the probability of external rainwater infiltrating into the accommodation chamber, and reduces the probability of water contacting the emergency power supply interface;

[0029] 2. The rotating column rotates to realize the reeling or releasing of the rain curtain, which is used to shield the emergency power interface to reduce the probability of external water contacting the emergency power interface. The sliding column improves the stability of the rain curtain setting, and the sliding column can slide along the height difference of the bottom wall of the accommodating cavity, so that the rain curtain is tilted, which is convenient for water droplets to flow out of the accommodating cavity along the rain curtain, reducing the probability of water contacting the emergency power interface;

[0030] 3. The accumulation of rain and snow in the water tank increases the overall gravity of the water tank. The water tank overcomes the elastic force of the supporting spring and slides down. The connecting rod drives the lifting rod to slide synchronously, so that when it rains or snows outside, the first connecting column and the third connecting column are connected by the second connecting column, which is convenient for controlling the unwinding of the rain curtain and reducing the probability of water contacting the emergency power supply interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 The present invention is a schematic diagram of the overall structure of a ring network box with an emergency power supply mechanism.

[0032] Figure 2 The present invention is a schematic diagram of the internal structure of a ring network box with an emergency power supply mechanism after being cut open.

[0033] Figure 3 It is a cross-sectional view of the articulated shaft.

[0034] Figure 4 It is a schematic diagram of the overall structure of the hinge shaft, door, shielding component and control component.

[0035] Description of reference numerals: 1. Box body; 11. Placement slot; 12. Accommodation chamber; 121. Limiting slot; 13. Emergency power supply interface; 14. Sliding port; 141. Water retaining slot; 2. Articulated shaft; 21. First connecting column; 211. Positioning strip; 22. Second connecting column; 221. Connecting port; 222. Positioning slot; 23. Third connecting column; 231. Limiting strip; 3. Box door; 31. Fixing port; 4. Sealing pad; 5. Shielding assembly; 51. Rotating column; 52. Rain curtain; 53. Sliding column; 54. Limiting ring; 6. Control component; 61. Synchronous member; 611. First synchronous wheel; 612. Drive shaft; 613. Second synchronous wheel; 614. Synchronous belt; 615. First bevel gear; 616. Second bevel gear; 62. Abutment ring; 63. Limiting column; 64. Lifting column; 65. Water baffle; 66. Support block; 67. Support spring; 68. Water reservoir; 681. Drain port; 69. Connecting rod; 7. Auxiliary component; 71. Locking column; 72. Locking rod; 73. Switch; 74. Lighting lamp. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-4 This application is described in further detail.

[0037] The present application embodiment discloses a ring network box with an emergency power supply mechanism. Figure 1 and Figure 2 A ring network box with an emergency power supply mechanism includes a box body 1, a hinge shaft 2, a box door 3, a sealing gasket 4, a shielding component 5, a control component 6 and an auxiliary component 7.

[0038] Reference Figure 2A placement groove 11 is provided on one side of the box body 1, and a accommodating cavity 12 is provided at the bottom of the placement groove 11. The depth direction of the placement groove 11 is parallel to the width direction of the accommodating cavity 12, the length direction of the placement groove 11 is parallel to the length direction of the accommodating cavity 12, and the width direction of the placement groove 11 is parallel to the height direction of the accommodating cavity 12. Along the width direction of the placement groove 11, the height of the top wall of the accommodating cavity 12 is greater than the height of the placement groove 11, the height of the bottom wall of the accommodating cavity 12 is greater than the height of the upward groove wall of the placement groove 11, and the height of the bottom wall of the accommodating cavity 12 increases as it moves away from the placement groove 11. An emergency power supply interface 13 is fixedly connected to the top wall of the accommodating cavity 12. Three emergency power supply interfaces 13 are provided, and the three emergency power supply interfaces 13 are evenly spaced along the length direction of the placement groove 11.

[0039] Reference Figure 2 and Figure 3 The hinge shaft 2 includes a first connecting column 21, a second connecting column 22 and a third connecting column 23. The first connecting column 21, the second connecting column 22 and the third connecting column 23 are all coaxially arranged. Both ends of the first connecting column 21 are rotatably connected to the groove wall of the placement groove 11 around its own axis. The rotation axis of the first connecting column 21 is vertical, and the upper end of the first connecting column 21 extends into the accommodating cavity 12.

[0040] Reference Figure 2 and Figure 4 One end of the box door 3 is provided with a fixing opening 31, which penetrates the box door 3, and the first connecting column 21 is coaxially fixedly connected to the inner wall of the fixing opening 31, and the box door 3 is used to cover the notch of the placement groove 11. One side of the sealing gasket 4 is fixedly connected to one end of the box door 3 facing the accommodating cavity 12, and the other side of the sealing gasket 4 is used to abut the bottom of the placement groove 11, and the opening of the accommodating cavity 12 is set at the inner periphery of the sealing gasket 4.

[0041] Reference Figure 2 and Figure 3 The third connecting column 23 is connected to the top wall of the accommodating cavity 12 by rotating around its own axis. The second connecting column 22 is coaxially provided with a connecting port 221, and the connecting port 221 penetrates the second connecting column 22. The connecting port 221 is used for the first connecting column 21 and the third connecting column 23 to extend into. The inner wall of the connecting port 221 is provided with a positioning groove 222, and the positioning groove 222 penetrates the second connecting column 22 along the axial direction of the connecting port 221. The outer wall of the first connecting column 21 is fixedly connected with a positioning strip 211, and the outer wall of the third connecting column 23 is fixedly connected with a limiting strip 231. The positioning groove 222 is used for the positioning strip 211 and the limiting strip 231 to be slidably embedded.

[0042] Reference Figure 2 and Figure 4The shielding assembly 5 is arranged on the side of the emergency power interface 13 close to the placement groove 11. The shielding assembly 5 includes a rotating column 51, a rain curtain 52, a sliding column 53 and a limiting ring 54. The rotating column 51 rotates around its own axis and is connected to the inner wall of the accommodating cavity 12. The rotating axis of the rotating column 51 is horizontal and parallel to the bottom of the placement groove 11. One end of the rain curtain 52 is fixedly connected to the outer wall of the rotating column 51, and the other end of the rain curtain 52 is fixedly connected to the outer wall of the sliding column 53. There are three rain curtains 52, which are arranged at intervals along the axial direction of the rotating column 51. There are three sliding columns 53, which are arranged one by one with the rain curtains 52. The limiting ring 54 is coaxially fixedly connected to the outer wall of the rotating column 51. There are four limiting rings 54, which are arranged at intervals along the axial direction of the rotating column 51. A limiting ring 54 is provided between adjacent rain curtains 52, and limiting rings 54 are provided on both sides of the rain curtains 52.

[0043] Reference Figure 1 and Figure 4 The control assembly 6 includes a synchronizer 61 , an abutment ring 62 , a limit column 63 , a lifting column 64 , a water baffle 65 , a support block 66 , a support spring 67 , a water reservoir 68 and a connecting rod 69 .

[0044] Reference Figure 2 and Figure 4 The synchronous member 61 includes a first synchronous wheel 611, a drive shaft 612, a second synchronous wheel 613, a synchronous belt 614, a first bevel gear 615 and a second bevel gear 616. The first synchronous wheel 611 is coaxially fixedly connected to the outer wall of the third connecting column 23, the drive shaft 612 is coaxially rotatably connected to the top wall of the accommodating chamber 12, the rotation axis of the drive shaft 612 is vertical, the drive shaft 612 is arranged above the rotating column 51, the second synchronous wheel 613 is coaxially fixedly connected to the outer wall of the drive shaft 612, the synchronous belt 614 is sleeved on the outer periphery of the first synchronous wheel 611 and the second synchronous wheel 613, the first bevel gear 615 is coaxially fixedly connected to the lower end of the drive shaft 612, the second bevel gear 616 is coaxially fixedly connected to the outer wall of the rotating column 51, the first bevel gear 615 is meshed with the second bevel gear 616, and the second bevel gear 616 is arranged on the side of the limiting ring 54 away from the rain curtain 52.

[0045] The abutment ring 62 is coaxially fixedly connected to the outer wall of the second connection column 22, the lower end of the limiting column 63 is fixedly connected to the upper end of the abutment ring 62, and the top wall of the accommodating cavity 12 is provided with a limiting groove 121 for the upper end of the limiting column 63 to be embedded.

[0046] Reference Figure 1 and Figure 2The outer wall of the box body 1 is provided with a sliding opening 14, the sliding opening 14 is provided on one side of the placement groove 11, the sliding opening 14 is provided close to the hinge shaft 2, the sliding opening 14 is connected to the accommodating cavity 12, the length direction of the sliding opening 14 is vertical, the lifting column 64 is slidably connected to the inner wall of the sliding opening 14, and the sliding direction of the lifting column 64 is vertical.

[0047] Reference Figure 1 and Figure 4 The upper end of the lifting column 64 abuts against the lower end of the abutting ring 62. The inner wall of the sliding opening 14 facing upward and the inner wall of the sliding opening 14 facing downward are both provided with a water retaining groove 141, and the water retaining plate 65 is slidably embedded in the water retaining groove 141. There are two water retaining plates 65, and the water retaining plates 65 are arranged one by one with the water retaining groove 141. The two water retaining plates 65 are arranged on both sides of the lifting column 64, and the water retaining plates 65 are fixedly connected to the outer wall of the lifting column 64.

[0048] The support block 66 is fixedly connected to the outer wall of the box body 1, the lower end of the support spring 67 is fixedly connected to the upper end of the support block 66, the upper end of the support spring 67 is fixedly connected to the lower end of the water reservoir 68, the water reservoir 68 is arranged below the box door 3, one end of the connecting rod 69 is fixedly connected to the water reservoir 68, and the other end of the connecting rod 69 is fixedly connected to the lifting column 64. A drain port 681 is arranged at the lower end of the water reservoir 68, and a drain plug blocks the inner wall of the drain port 681.

[0049] Reference Figure 1 and Figure 2 The auxiliary component 7 includes a locking column 71, a locking rod 72, a switch 73 and a lighting lamp 74. The locking column 71 is rotatably connected to the outer wall of the box body 1, the rotation axis of the locking column 71 is perpendicular to the bottom of the placement groove 11, the locking column 71 is arranged on the side of the placement groove 11 away from the sliding opening 14, the locking rod 72 is fixedly connected to the outer wall of the locking column 71, the end of the locking rod 72 facing the accommodating cavity 12 is used to abut against the end of the box door 3 away from the placement groove 11, the switch 73 is fixedly connected to the outer wall of the box body 1, the switch 73 is arranged on the outer periphery of the locking column 71, the switch 73 is used for the locking rod 72 to abut, the lighting lamp 74 is arranged on the side of the emergency power interface 13 away from the installation groove, the lighting lamp 74 is connected to the switch 73 through wires, and the lighting lamp 74 is powered by a battery.

[0050] The implementation principle of a ring network box with an emergency power supply mechanism in an embodiment of the present application is as follows: when water accumulates in the water reservoir 68, the gravity of the water reservoir 68 increases and slides down, and the lifting rod is driven to slide down through the connecting rod 69, the first connecting column 21 and the third connecting column 23 are connected through the second connecting column 22, the hinged column is rotated, the hinged rod abuts the switch 73, the lighting lamp 74 is turned on, the box door 3 is opened, the hinged shaft 2 rotates and drives the rotating column 51 to rotate through the synchronous member 61, the rain curtain 52 is unwound, the sliding column 53 falls on the bottom wall of the accommodating chamber 12, and the sliding column 53 slides close to the notch of the placement groove 11 to achieve rain protection. After the emergency power supply is used up, the box door 3 is closed, the rain curtain 52 is rolled up, and the locking rod 72 limits the box door 3.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A ring network box with an emergency power supply mechanism, characterized in that: The box body (1) comprises a box body (1), a hinge shaft (2), a box door (3) and a sealing gasket (4), wherein a placement groove (11) is provided on one side of the box body (1), a receiving cavity (12) is provided at the bottom of the placement groove (11), an emergency power supply interface (13) is fixedly connected to the top wall of the receiving cavity (12), the hinge shaft (2) is connected to the groove wall of the placement groove (11) by rotation around its own axis, the rotation axis of the hinge shaft (2) is vertical, one end of the box door (3) is fixedly connected to the hinge shaft (2), the box door (3) is used to cover the notch of the placement groove (11), one side of the sealing gasket (4) is fixedly connected to one end of the box door (3) facing the receiving cavity (12), and the other side of the sealing gasket (4) is used to abut the groove bottom of the placement groove (11); The height of the top wall of the accommodating cavity (12) is greater than the height of the placement groove (11), and the height of the bottom wall of the accommodating cavity (12) increases as it moves away from the placement groove (11); The device also comprises a shielding assembly (5), the shielding assembly (5) being arranged on a side of the emergency power supply interface (13) close to the placement groove (11), the shielding assembly (5) comprising a rotating column (51), a rain shield curtain (52) and a sliding column (53), the rotating column (51) being connected to the inner wall of the accommodating cavity (12) by rotating about its own axis, the rotating axis of the rotating column (51) being horizontal and parallel to the groove bottom of the placement groove (11), one end of the rain shield curtain (52) being fixedly connected to the outer wall of the rotating column (51), and the other end of the rain shield curtain (52) being fixedly connected to the outer wall of the sliding column (53); The invention also includes a synchronous component (61), wherein the synchronous component (61) includes a first synchronous wheel (611), a drive shaft (612), a second synchronous wheel (613), a synchronous belt (614), a first bevel gear (615), and a second bevel gear (616); the upper end of the hinge shaft (2) extends into the accommodating cavity (12); the first synchronous wheel (611) is coaxially fixedly connected to the outer wall of the hinge shaft (2); the drive shaft (612) is coaxially rotatably connected to the top wall of the accommodating cavity (12); and the drive shaft (614) is coaxially connected to the top wall of the accommodating cavity (12). The rotation axis of the drive shaft (612) is vertical, the second synchronous wheel (613) is coaxially fixedly connected to the outer wall of the drive shaft (612), the synchronous belt (614) is sleeved on the outer circumference of the first synchronous wheel (611) and the second synchronous wheel (613), the first bevel gear (615) is coaxially fixedly connected to the lower end of the drive shaft (612), the second bevel gear (616) is coaxially fixedly connected to the outer wall of the rotating column (51), and the first bevel gear (615) is meshed with the second bevel gear (616).

2. A ring main box with an emergency power supply mechanism according to claim 1, characterized in that: The shielding assembly (5) further comprises a limiting ring (54), a plurality of the rain shield curtains (52) are provided, and the plurality of the rain shield curtains (52) are arranged at intervals along the axis of the rotating column (51), a plurality of the sliding columns (53) are provided, and the sliding columns (53) and the rain shield curtains (52) are arranged in a one-to-one correspondence, the limiting ring (54) is coaxially fixedly connected to the outer wall of the rotating column (51), a plurality of the limiting rings (54) are provided, and a limiting ring (54) is provided between adjacent rain shield curtains (52).

3. The ring main box with an emergency power supply mechanism according to claim 1, characterized in that: The hinge shaft (2) comprises a first connecting column (21), a second connecting column (22) and a third connecting column (23); the first connecting column (21), the second connecting column (22) and the third connecting column (23) are all coaxially arranged; the first connecting column (21) is rotatably connected to the groove wall of the placement groove (11) around its own axis; the upper end of the first connecting column (21) extends into the accommodating cavity (12); the third connecting column (23) is rotatably connected to the top wall of the accommodating cavity (12) around its own axis; the second connecting column (22) is coaxially provided with a connecting port (221); the connecting port (221) is used for the first connecting column (21) and the third connecting column (23) to rotate. The connecting column (23) extends into the connecting port (221); a positioning groove (222) is provided on the inner wall of the connecting port (221); the positioning groove (222) penetrates the second connecting column (22) along the axial direction of the connecting port (221); the outer wall of the first connecting column (21) is fixedly connected with a positioning strip (211); the outer wall of the third connecting column (23) is fixedly connected with a limiting strip (231); the positioning groove (222) is used for the positioning strip (211) and the limiting strip (231) to be slidably embedded; the first synchronous wheel (611) is coaxially fixedly connected to the outer wall of the third connecting column (23); and one end of the box door (3) is fixedly connected to the first connecting column (21).

4. The ring main box with an emergency power supply mechanism according to claim 3, characterized in that: It also includes an abutment ring (62) and a limiting column (63), wherein the abutment ring (62) is coaxially fixedly connected to the outer wall of the second connection column (22), the lower end of the limiting column (63) is fixedly connected to the upper end of the abutment ring (62), and the top wall of the accommodating cavity (12) is provided with a limiting groove (121), and the limiting groove (121) is used for the upper end of the limiting column (63) to be embedded.

5. The ring main box with an emergency power supply mechanism according to claim 4, characterized in that: It also includes a lifting column (64), the outer wall of the box body (1) is provided with a sliding opening (14), the sliding opening (14) is connected to the accommodating cavity (12), the lifting column (64) is slidably connected to the inner wall of the sliding opening (14), the sliding direction of the lifting column (64) is vertical, and the upper end of the lifting column (64) abuts against the lower end of the abutting ring (62).

6. The ring main box with an emergency power supply mechanism according to claim 5, characterized in that: It also includes a support block (66), a support spring (67), a water reservoir (68) and a connecting rod (69), wherein the support block (66) is fixedly connected to the outer wall of the box body (1), the lower end of the support spring (67) is fixedly connected to the upper end of the support block (66), the upper end of the support spring (67) is fixedly connected to the lower end of the water reservoir (68), one end of the connecting rod (69) is fixedly connected to the water reservoir (68), and the other end of the connecting rod (69) is fixedly connected to the lifting rod.

7. The ring main box with an emergency power supply mechanism according to claim 5, characterized in that: It also includes a water retaining plate (65), the upward inner wall and the downward inner wall of the sliding opening (14) are both provided with a water retaining groove (141), the water retaining plate (65) is slidably embedded in the water retaining groove (141), two water retaining plates (65) are provided, the water retaining plates (65) and the water retaining grooves (141) are arranged one-to-one, the two water retaining plates (65) are arranged on both sides of the lifting column (64), and the water retaining plates (65) are fixedly connected to the outer wall of the lifting column (64).

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