A dual-power switching distribution cabinet and installation method thereof

Abstract

The present invention belongs to the field of power distribution cabinets, and specifically is a dual-power switching power distribution cabinet and an installation method thereof, comprising a power distribution cabinet body and a power switching switch; a mounting block is fixedly connected to the rear end of the power switching switch, the mounting block is inserted into the interior of a mounting slot, the mounting slot is arranged on a mounting plate, a locking mechanism is arranged inside the mounting plate, the locking mechanism comprises a locking block, the locking block is locked in the interior of the locking slot, the locking slot is arranged on the left and right sides of the power switching switch, the locking block is fixedly connected to a fixed plate, a moving block is fixedly connected to the top of the fixed plate, the fixed plate and the moving block are respectively slidably connected to the interior of a movable slot and a moving slot, the moving block is threadedly connected to a screw rod, and a first bevel gear is fixedly connected to the side of the screw rod away from the moving block; through the structural design of the locking mechanism, the function of facilitating the disassembly and installation of the mounting block is realized.

Description

Technical Field

[0001] The invention relates to the field of power distribution cabinets, in particular to a dual-power supply switching power distribution cabinet and an installation method thereof. Background Art

[0002] In life, dual power switching distribution cabinets are often used in fire protection, elevators, lighting and other fields. They have two power supplies, normal and backup. When the normal power fails or there is a power outage, the internal dual power switching switch will switch to the backup power supply to ensure the normal operation of the equipment.

[0003] According to the patent document: CN202310168072.6, an intelligent low-voltage dual-power switching distribution cabinet with convenient access is proposed, including a distribution cabinet body, a partition is slidably connected between the inner walls of the distribution cabinet body, four through slots are opened on both sides of the partition, an automatic lifting mechanism is arranged between the partition and the distribution cabinet body, a supporting assembly is arranged at the bottom of the partition, eight limit plates are fixed on the inner wall of the distribution cabinet body, and buffer blocks are fixed on the opposite sides of the eight limit plates. The present invention relates to the technical field of distribution cabinets. The intelligent low-voltage dual-power switching distribution cabinet with convenient access realizes the free lifting of the partition through the setting of the automatic lifting mechanism, and the low-voltage power supply equipment can be carried and placed on the partition after the height of the partition is conveniently lowered. Since the height of the partition is lowered, less work is done during transportation, thereby saving physical strength, and also avoiding the risk of falling after lifting the equipment, thereby enhancing safety.

[0004] However, in the above-mentioned technology, an intelligent low-voltage dual-power switching distribution cabinet with easy access, the dual-power switching switch is generally fixed inside the distribution cabinet by bolt connection. When the dual-power switching switch needs to be repaired, it needs to be removed. Since the operable space inside the distribution cabinet is relatively limited, frequent removal and installation of the bolts will be cumbersome. Therefore, in view of the above-mentioned problem, a dual-power switching distribution cabinet and an installation method thereof are proposed. Summary of the invention

[0005] In order to make up for the shortcomings of the prior art, an intelligent low-voltage dual-power switching distribution cabinet with easy access is provided in the above-mentioned technology. The dual-power switching switch is generally fixed inside the distribution cabinet by bolt connection. When the dual-power switching switch needs to be repaired, it needs to be removed. Since the operable space inside the distribution cabinet is relatively limited, frequent removal and installation of bolts will be more cumbersome. The present invention proposes a dual-power switching distribution cabinet and an installation method thereof.

[0006] The technical solution adopted by the present invention to solve its technical problem is: a dual-power switching distribution cabinet described in the present invention comprises a distribution cabinet body and a power switch; a mounting block is fixedly connected to the rear end of the power switch, the mounting block is inserted in the interior of the mounting slot, the mounting slot is arranged on the mounting plate, a clamping mechanism is arranged inside the mounting plate, the clamping mechanism comprises a clamping block, the clamping block is clamped in the interior of the clamping slot, the clamping slot is arranged on the left and right sides of the power switch, the clamping block is fixedly connected to the fixed plate, a moving block is fixedly connected to the top of the fixed plate, the fixed plate and the moving block are respectively slidably connected to the interior of the movable slot and the movable slot, the moving block is threadedly connected to the screw rod, a first bevel gear is fixedly connected to the side of the screw rod away from the moving block, the screw rod is provided with two groups, the first bevel gear and the second bevel gear are meshed, the second bevel gear is fixedly connected to the rotating rod, the bottom end of the rotating rod is rotatably connected to the interior of the cavity, the top end of the rotating rod is fixedly connected to the convex block, the movable slot, the movable slot and the cavity are all arranged in the interior of the mounting plate, and a connecting mechanism is arranged on the convex block.

[0007] Preferably, the connecting mechanism includes an insert block, which is fixedly connected to the bottom end of the button, a spring is fixedly connected to the bottom end of the button, the bottom end of the spring is fixedly connected to the rotating ring, the bottom end of the rotating ring is fixedly connected to a T-block, the T-block is slidably connected to the inside of the T-slot, the T-slot is opened at the top of the mounting plate, a slot is opened at the top of the protrusion, and a locking mechanism is provided on the rotating rod.

[0008] Preferably, the locking mechanism includes a ratchet, which is fixedly connected to a rotating rod, the ratchet is in contact with a pawl, the top end of the pawl is rotatably connected to the inner wall of the cavity, the top end of the pawl is fixedly connected to a lever, the lever passes through the top end of the mounting plate, and a torsion spring is sleeved on the pawl.

[0009] Preferably, an ejection mechanism is provided inside the mounting groove, and the ejection mechanism includes two groups of fixed blocks, the fixed block is fixedly connected to the rear end of the fixed plate, the fixed block is slidably connected to the inside of the sliding groove, the sliding groove is communicated with the movable groove, the fixed block is rotatably connected to the first connecting rod, the first connecting rod and the second connecting rod are rotatably connected, the side of the second connecting rod away from the first connecting rod is rotatably connected to the inner wall of the groove, the groove is opened at the rear end of the movable plate, the two groups of the first connecting rods are rotatably connected to the fixed rod, the bottom end of the fixed rod is fixedly connected to the inner wall of the mounting groove, and notches are opened on the left and right sides of the groove.

[0010] Preferably, the bottom end of the movable plate does not contact the inner wall of the mounting groove, and two groups of first sliding blocks are fixedly connected to the bottom end of the movable plate. The first sliding blocks are slidably connected to the inside of the first sliding groove, and the first sliding groove is opened on the inner wall of the mounting groove.

[0011] Preferably, a snap ring is sleeved on the protrusion, and the snap ring is rotatably connected to the inside of the annular groove. The annular groove is formed on the inner wall of the through hole, and the through hole is connected to the cavity.

[0012] Preferably, four groups of second sliding blocks are fixedly connected to the top of the movable plate, the second sliding blocks are slidably connected to the inside of the second sliding groove, and the second sliding groove is opened at the bottom end of the mounting block.

[0013] Preferably, a pulley is fixedly connected to the bottom end of the fixed plate, and the pulley is slidably connected to the inside of the long groove, and the long groove is connected to the movable groove.

[0014] Preferably, both left and right sides of the movable plate are provided with limiting grooves, the interior of the limiting grooves is slidably connected to limiting blocks, and the limiting blocks are fixedly connected to the inner wall of the installation groove.

[0015] Preferably, a method for installing a dual-power switching distribution cabinet comprises the following steps:

[0016] S1; first, push the lever to release the contact between the pawl and the ratchet, then press the button downward to insert the plug fixed at the bottom of the button into the slot, then turn the button to drive the rotating rod to rotate, the first bevel gear and the second bevel gear will rotate, the screw rod will also rotate and make the moving block move in the opposite direction, thereby driving the card block to move until it is no longer inserted in the installation slot;

[0017] S2: Align the mounting block fixed at the rear end of the power switch and insert it into the mounting slot, and ensure that the slot and the block on the mounting block are aligned;

[0018] S3: By pressing the button downward again and rotating the rotating rod in the opposite direction, the first bevel gear and the second bevel gear rotate to move the card block toward the card slot until the card block is completely inserted into the card slot. At this time, the power switch can be installed and fixed.

[0019] The present invention is beneficial in that:

[0020] 1. The present invention realizes the function of facilitating the disassembly and installation of the mounting block through the structural design of the locking mechanism, and solves the problem of an intelligent low-voltage dual-power switching distribution cabinet with convenient access in the above-mentioned technology. The dual-power switching switch is generally fixed inside the distribution cabinet by bolt connection. When the dual-power switching switch needs to be repaired, it needs to be disassembled. Since the operable space inside the distribution cabinet is relatively limited, frequent disassembly and installation of the bolts will be cumbersome.

[0021] 2. The present invention adopts the structural design of the connection mechanism. Only when the button is pressed down and the plug fixed on the bottom of the button is inserted into the slot, the button can be rotated to drive the rotating rod to rotate, thereby driving the first bevel gear and the second bevel gear to rotate inside the cavity, thereby reducing the interference of external factors on the rotation of the second bevel gear;

[0022] 3. The present invention adopts the structural design of the locking mechanism. When the pawl is kept in contact with the ratchet, the card block cannot move away from the card slot due to the characteristics of the ratchet, thereby ensuring the engagement between the card block and the card slot;

[0023] 4. The present invention adopts the structural design of the ejection mechanism. When the card block moves in the direction away from the card slot, the fixed plate will also drive the fixed block to move to both sides. The fixed block will pull the first connecting rod. Since the first connecting rod and the second connecting rod are rotatably connected, and the two sets of second connecting rods are rotated on the fixed rod, the second connecting rod will push the movable plate to move forward. Therefore, when the engagement between the card block and the card slot is released, the installation block placed on the movable plate is pushed out, so that the installation block and the power switch can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the connection structure of the mounting block of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the bottom end of the mounting block of the present invention;

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the mounting plate of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the connection mechanism of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the engaging mechanism of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the ejection mechanism of the present invention;

[0032] Figure 8It is a schematic diagram of the position structure of the limit block of the present invention;

[0033] Fig. 9 It is a schematic diagram of the structure inside the movable tank of the present invention;

[0034] Fig.10 It is the installation flow chart of the present invention.

[0035] In the figure: 1, the main body of the power distribution cabinet; 20, the power switch; 21, the mounting block; 22, the card slot; 23, the mounting slot; 24, the mounting plate; 25, the card block; 26, the fixed plate; 27, the moving block; 28, the screw rod; 29, the first bevel gear; 30, the rotating rod; 31, the second bevel gear; 32, the ratchet; 33, the pawl; 34, the lever; 35, the movable slot; 36, the moving slot; 37, the fixed block; 38, the sliding slot; 39, the first connecting rod; 40, the first Two connecting rods; 41. Fixed rod; 42. Groove; 43. Moving plate; 44. First slider; 45. First slide groove; 46. Second slider; 47. Second slide groove; 48. Through hole; 49. Ring groove; 50. T-slot; 51. Retaining ring; 52. Slot; 53. Protrusion; 54. Insert block; 55. T-block; 56. Rotating ring; 57. Spring; 58. Button; 59. Pulley; 60. Long groove; 61. Limit block; 62. Limit groove; 70. Cavity. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1 - Fig. 9As shown, a dual-power switching distribution cabinet and an installation method thereof include a distribution cabinet body 1 and a power switching switch 20; a mounting block 21 is glued and fixed to the rear end of the power switching switch 20, and the mounting block 21 is inserted into the inside of a mounting slot 23, and the mounting slot 23 is provided on a mounting plate 24, and a clamping mechanism is provided inside the mounting plate 24, and the clamping mechanism includes a clamping block 25, and the clamping block 25 is rectangular in design, and the clamping block 25 is clamped in the inside of a clamping slot 22, and the clamping slot 22 is provided on the left and right sides of the power switching switch 20, and the clamping block 25 is welded and fixed on a fixed plate 26, and a moving block 27 is welded and fixed on the top of the fixed plate 26, and the fixed plate 26 and the moving block 27 are respectively slidably connected The movable groove 35 and the movable groove 36 are connected, and the movable groove 35 and the movable groove 36 are connected. The movable block 27 is threadedly connected to the screw rod 28. A thread is provided on one side of the screw rod 28. A first bevel gear 29 is welded and fixed to the side of the screw rod 28 away from the movable block 27. The screw rod 28 is provided with two groups. The first bevel gear 29 is meshed with the second bevel gear 31. The second bevel gear 31 is welded and fixed to the rotating rod 30. The bottom end of the rotating rod 30 is rotatably connected to the inside of the cavity 70. The top end of the rotating rod 30 and the protrusion 53 are fixed by welding. The movable groove 35, the movable groove 36 and the cavity 70 are all provided in the inside of the mounting plate 24. The protrusion 53 is provided with a connecting mechanism.

[0038] When working, the above-mentioned technology is an intelligent low-voltage dual-power switching distribution cabinet with convenient access. The dual-power switching switch is generally fixed inside the distribution cabinet by bolt connection. When the dual-power switching switch needs to be repaired, it needs to be removed. Since the operable space inside the distribution cabinet is relatively limited, frequent removal and installation of bolts will be relatively cumbersome. Through the structural design of the locking mechanism, the function of facilitating the removal and installation of the mounting block 21 is realized. When the mounting block 21 is to be removed from the mounting plate 24, first, the lever 34 is toggled to release the fixing of the second bevel gear 31 by the locking mechanism. At this time, the rotating rod 30 can be rotated through the connecting mechanism, and the rotating rod 30 is meshed with the two sets of first bevel gears 29 , thus causing the fixed screw rod 28 on the first bevel gear 29 to rotate, and the moving block 27 threadedly connected to the screw rod 28 will move in the opposite direction, thereby driving the fixed block 25 on the fixed plate 26 away from the card slot 22, until the block 25 is no longer inserted in the inside of the card slot 22, at which time the power switch 20 can be taken out of the mounting slot 23. Similarly, when the power switch 20 is to be installed, it is only necessary to first insert the mounting block 21 into the mounting slot 23, and rotate the rotating rod 30 to make the block 25 close to the card slot 22 and finally engage with the card slot 22, wherein the fixed plate 26 and the moving block 27 are respectively movable in the inside of the movable slot 35 and the movable slot 36, and the side of the screw rod 28 away from the first bevel gear 29 is rotatably connected to the inner wall of the movable slot 36.

[0039] Further, the connection mechanism includes an insert block 54, the insert block 54 is welded and fixed to the bottom end of the button 58, a spring 57 is welded and fixed to the bottom end of the button 58, the bottom end of the spring 57 is welded and fixed to the rotating ring 56, a T-shaped block 55 is welded and fixed to the bottom end of the rotating ring 56, the T-shaped block 55 is slidably connected to the inside of the T-shaped slot 50, the T-shaped slot 50 is opened at the top end of the mounting plate 24, a slot 52 is opened at the top end of the protrusion 53, and a locking mechanism is provided on the rotating rod 30;

[0040] During operation, through the structural design of the connecting mechanism, only when the button 58 is pressed downward and the plug block 54 fixed on the bottom end of the button 58 is inserted into the slot 52, can the rotating rod 30 be driven to rotate by rotating the button 58, thereby driving the first bevel gear 29 and the second bevel gear 31 to rotate inside the cavity 70, so as to reduce the interference of external factors on the rotation of the second bevel gear 31, and the bottom end of the rotating ring 56 is realized by the rotation of the T-shaped block 55 inside the T-shaped groove 50 to realize the rotation on the top of the mounting plate 24, the slot 52 and the plug block 54 are both cross-shaped, so as to increase the contact area and better rotate the protrusion 53, and the plug block 54 is located directly above the protrusion 53, the bottom end part of the plug block 54 does not contact the protrusion 53, and only when the button 58 is pressed downward, the plug block 54 will be inserted into the slot 52.

[0041] Further, the locking mechanism includes a ratchet 32, which is welded and fixed on the rotating rod 30, and the ratchet 32 ​​is in contact with a pawl 33, and the top end of the pawl 33 is rotatably connected to the inner wall of the cavity 70, and a lever 34 is welded and fixed to the top end of the pawl 33, and the lever 34 passes through the top end of the mounting plate 24, and a torsion spring is sleeved on the pawl 33;

[0042] During operation, through the structural design of the locking mechanism, when the pawl 33 remains in contact with the ratchet 32, due to the characteristics of the ratchet 32, the block 25 cannot move away from the slot 22, thereby ensuring the engagement between the block 25 and the slot 22. The torsion spring sleeved on the pawl 33 is used to ensure that the pawl 33 can maintain contact with the ratchet 32.

[0043] Further, an ejection mechanism is provided inside the installation groove 23, and the ejection mechanism includes two groups of fixed blocks 37, the fixed blocks 37 are welded and fixed to the rear end of the fixed plate 26, the fixed blocks 37 are slidably connected inside the sliding groove 38, the sliding groove 38 is communicated with the movable groove 35, the fixed blocks 37 are rotatably connected to the first connecting rod 39, the first connecting rod 39 and the second connecting rod 40 are rotatably connected, and the side of the second connecting rod 40 away from the first connecting rod 39 is rotatably connected to the inner wall of the groove 42, and the groove 42 is provided at the rear end of the movable plate 43, and the two groups of the first connecting rods 39 are both rotatably connected to the fixed rod 41, and the bottom end of the fixed rod 41 is welded and fixed to the inner wall of the installation groove 23, and the left and right sides of the groove 42 are provided with notches;

[0044] During operation, through the structural design of the ejection mechanism, when the block 25 moves in the direction away from the slot 22, the fixed plate 26 will also drive the fixed block 37 to move to both sides, and the fixed block 37 will pull the first connecting rod 39. Since the first connecting rod 39 and the second connecting rod 40 are rotatably connected, and the two sets of second connecting rods 40 are both rotated on the fixed rod 41, the second connecting rod 40 will push the movable plate 43 to move forward, so that when the engagement between the block 25 and the slot 22 is released, the mounting block 21 placed on the movable plate 43 is pushed out to facilitate the removal of the mounting block 21 and the power switching switch 20, wherein corresponding notches are provided on both sides of the groove 42 to facilitate the normal movement of the first connecting rod 39.

[0045] Furthermore, the bottom end of the movable plate 43 does not contact the inner wall of the mounting groove 23, and two groups of first sliders 44 are welded and fixed to the bottom end of the movable plate 43, and the first sliders 44 are slidably connected to the inside of the first slide groove 45, and the first slide groove 45 is opened on the inner wall of the mounting groove 23;

[0046] During operation, the bottom end of the moving plate 43 does not contact the mounting groove 23 , thereby reducing the friction resistance of the moving plate 43 during movement. The bottom end of the moving plate 43 is supported and moved by the sliding of two groups of first sliding blocks 44 on the first sliding grooves 45 .

[0047] Furthermore, a snap ring 51 is sleeved on the protrusion 53, and the snap ring 51 is fixed on the protrusion 53 by welding. The snap ring 51 is rotatably connected to the inside of the annular groove 49, and the annular groove 49 is formed on the inner wall of the through hole 48, and the through hole 48 is connected to the cavity 70;

[0048] During operation, the design of the retaining ring 51 allows the protrusion 53 to rotate more stably in the through hole 48. The through hole 48 is used to connect the cavity 70 with the outside, and the size of the through hole 48 is slightly larger than the protrusion 53 to facilitate the normal rotation of the protrusion 53.

[0049] Furthermore, four sets of second sliders 46 are welded and fixed on the top of the movable plate 43, and the second sliders 46 are slidably connected inside the second slide grooves 47, and the second slide grooves 47 are opened at the bottom end of the mounting block 21;

[0050] During operation, the bottom end of the mounting block 21 slides on the second slide block 46 through four sets of second slide grooves 47 to ensure that the bottom end of the mounting block 21 is more stable when placed on the movable plate 43 and does not shake easily. The mounting block 21 is hollowed out to reduce the weight of the mounting block 21 itself.

[0051] Furthermore, a pulley 59 is welded and fixed to the bottom end of the fixed plate 26, and the pulley 59 is slidably connected to the inside of the long groove 60, and the long groove 60 is connected to the movable groove 35;

[0052] During operation, when the fixed plate 26 moves inside the movable groove 35, the pulley 59 on the bottom end of the fixed plate 26 will slide in the long groove 60, and the long groove 60 is used to provide support for the bottom end portion of the fixed plate 26 so that the fixed plate 26 can remain stable when moving.

[0053] Furthermore, the movable plate 43 is provided with a limit groove 62 on both sides thereof, and the limit block 61 is slidably connected inside the limit groove 62, and the limit block 61 is welded and fixed on the inner wall of the mounting groove 23;

[0054] During operation, the limit block 61 slides in the limit slot 62. The design of the limit block 61 and the limit slot 62 limits the maximum distance that the movable plate 43 can slide out in the installation slot 23, ensuring that the movable plate 43 will not slide out of the installation slot 23, thereby ensuring the normal use of the movable plate 43.

[0055] Working principle: An intelligent low-voltage dual-power switching distribution cabinet with convenient access in the prior art. The dual-power switching switch is generally fixed inside the distribution cabinet by bolt connection. When the dual-power switching switch needs to be repaired, it needs to be removed. Since the operable space inside the distribution cabinet is relatively limited, frequent removal and installation of bolts will be relatively cumbersome. A dual-power switching distribution cabinet in this case and the structural design of the locking mechanism realize the function of facilitating the removal and installation of the mounting block 21. When the mounting block 21 is to be removed from the mounting plate 24, first, the lever 34 is toggled to release the fixing of the second bevel gear 31 by the locking mechanism. At this time, the rotating rod 30 can be rotated through the connecting mechanism, and the rotating rod 30 and the two sets of the first A bevel gear 29 is meshed, so that the fixed screw rod 28 on the first bevel gear 29 will rotate, and the moving block 27 threadedly connected to the screw rod 28 will move in the opposite direction, thereby driving the fixed block 25 on the fixed plate 26 away from the card slot 22, until the card block 25 is no longer inserted in the inside of the card slot 22, and the power switching switch 20 can be taken out from the mounting slot 23. Similarly, when the power switching switch 20 is to be installed, it is only necessary to insert the mounting block 21 into the mounting slot 23 first, and rotate the rotating rod 30 to make the card block 25 close to the card slot 22 and finally engage with the card slot 22, wherein the fixed plate 26 and the moving block 27 are respectively movable in the inside of the movable slot 35 and the movable slot 36, and the side of the screw rod 28 away from the first bevel gear 29 is rotatably connected to the inner wall of the movable slot 36.

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A dual-power switching distribution cabinet, comprising a distribution cabinet body (1) and a power switching switch (20); a mounting block (21) is fixedly connected to the rear end of the power switching switch (20); the mounting block (21) is inserted into a mounting groove (23); the mounting groove (23) is provided on a mounting plate (24); Features: A locking mechanism is provided inside the mounting plate (24), and the locking mechanism comprises a locking block (25), and the locking block (25) is locked inside the locking slot (22), and the locking slot (22) is provided on the left and right sides of the power switching switch (20), and the locking block (25) is fixedly connected to the fixing plate (26), and the top of the fixing plate (26) is fixedly connected to a moving block (27), and the fixing plate (26) and the moving block (27) are respectively slidably connected inside the movable groove (35) and the moving groove (36), and the moving block (27) is threadedly connected to the screw rod (28), and the side of the screw rod (28) away from the moving block (27) is fixedly connected to the first bevel gear (29), and the screw rod (28) is provided with two groups, and the first bevel gear (29) is fixedly connected to the first bevel gear (29). A bevel gear (29) is meshed with a second bevel gear (31), the second bevel gear (31) is fixedly connected to a rotating rod (30), the bottom end of the rotating rod (30) is rotatably connected to the inside of a cavity (70), the top end of the rotating rod (30) is fixedly connected to a protrusion (53), the movable groove (35), the movable groove (36) and the cavity (70) are all arranged inside a mounting plate (24), a connecting mechanism is arranged on the protrusion (53), the connecting mechanism comprises an insert block (54), the insert block (54) is fixedly connected to the bottom end of a button (58), a spring (57) is fixedly connected to the bottom end of the button (58), the bottom end of the spring (57) is fixedly connected to a rotating ring (56), and the rotating ring (5 The bottom end of the cam (53) is fixedly connected to a T-shaped block (55), the T-shaped block (55) is slidably connected to the inside of the T-shaped slot (50), the T-shaped slot (50) is opened at the top of the mounting plate (24), the top of the cam (53) is opened with a slot (52), the rotating rod (30) is provided with a locking mechanism, the locking mechanism comprises a ratchet (32), the ratchet (32) is fixedly connected to the rotating rod (30), the ratchet (32) and the pawl (33) are in contact, the top of the pawl (33) is rotatably connected to the inner wall of the cavity (70), the top of the pawl (33) is fixedly connected to a lever (34), the lever (34) passes through the top of the mounting plate (24), the pawl (33) is sleeved with a torsion spring, and the locking mechanism is provided on the rotating rod (30). An ejection mechanism is arranged inside the installation groove (23), and the ejection mechanism comprises two groups of fixed blocks (37), wherein the fixed block (37) is fixedly connected to the rear end of the fixed plate (26), and the fixed block (37) is slidably connected inside the sliding groove (38), and the sliding groove (38) is communicated with the movable groove (35), and the fixed block (37) is rotatably connected to the first connecting rod (39), and the first connecting rod (39) is rotatably connected to the second connecting rod (40), and the side of the second connecting rod (40) away from the first connecting rod (39) is rotatably connected to the inner wall of the groove (42), and the groove (42) is provided at the rear end of the movable plate (43), and the two groups of the first connecting rods (39) are both rotatably connected to the fixed rod (41),The bottom end of the fixing rod (41) is fixedly connected to the inner wall of the mounting groove (23), and the left and right sides of the groove (42) are provided with notches. The bottom end of the movable plate (43) does not contact the inner wall of the mounting groove (23). The bottom end of the movable plate (43) is fixedly connected with two groups of first sliders (44), and the first sliders (44) are slidably connected to the inside of the first slide groove (45). The first slide groove (45) is provided on the inner wall of the mounting groove (23). A snap ring (51) is sleeved on the protrusion (53), and the snap ring (51) is rotatably connected to the inside of the annular groove (49). The annular groove (49) is provided on the inner wall of the through hole (48). The through hole (48) and the cavity (70) is connected, four groups of second sliders (46) are fixedly connected on the top of the movable plate (43), the second sliders (46) are slidably connected inside the second slide groove (47), the second slide groove (47) is opened at the bottom end of the mounting block (21), the bottom end of the fixed plate (26) is fixedly connected with a pulley (59), the pulley (59) is slidably connected inside the long groove (60), the long groove (60) and the movable groove (35) are connected, the left and right sides of the movable plate (43) are both provided with limiting grooves (62), the inside of the limiting groove (62) is slidably connected to the limiting block (61), and the limiting block (61) is fixedly connected to the inner wall of the mounting groove (23).

2. A dual-power switching distribution cabinet and its installation method according to claim 1, Features: The working method is applicable to a dual-power switching distribution cabinet and an installation method thereof as described in any one of claim 1, and the working method comprises the following steps: S1; first, the lever (34) is moved to release the contact between the pawl (33) and the ratchet (32), and then the button (58) is pressed downward to insert the plug (54) fixed at the bottom end of the button (58) into the slot (52). At this time, the button (58) is turned to drive the rotating rod (30) to rotate, the first bevel gear (29) and the second bevel gear (31) will rotate, and the screw rod (28) will also rotate to make the moving block (27) move in the opposite direction, thereby driving the card block (25) to move until it is no longer inserted in the installation slot (23); S2: Align and insert the mounting block (21) fixed at the rear end of the power switch (20) into the mounting groove (23), and ensure that the card groove (22) and the card block (25) provided on the mounting block (21) are aligned; S3: By pressing the button (58) downward again and rotating the rotating rod (30) in the opposite direction, the first bevel gear (29) and the second bevel gear (31) are rotated to move the clamping block (25) toward the clamping slot (22) until the clamping block (25) is completely clamped into the inside of the clamping slot (22). At this time, the installation and fixation of the power switch (20) is completed.

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