CN114498369A

CN114498369A - Low-voltage power grid supplies power with safe type switch board

Info

Publication number: CN114498369A
Application number: CN202210089469.1A
Authority: CN
Inventors: 贾娟
Original assignee: Hebei Railway Transportation Vocational And Technical College
Current assignee: Hebei Railway Transportation Vocational And Technical College
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-13

Abstract

The invention discloses a safe power distribution cabinet for power supply of a low-voltage power grid, and relates to the field of power distribution safety of the power grid. This low-voltage electric network supplies power with safe type switch board, the surface activity of switch board main part articulates there is the cabinet door, the middle part fixed welding of switch board main part has hollow division board, the equal fixed mounting in both sides has dust removal cooling fan about the inside of hollow division board, both ends have first slip carrier and second slip carrier respectively about the inside of switch board main part, the surface of first slip carrier and second slip carrier moves movable joint respectively has mounting bracket and second installation support plate. This low-voltage electric network supplies power with safe type switch board through handing the outside pulling of handle pole for first slip carrier slides to the positive below position of switch board main part and forms the fixed state, relieves the fixed to the mounting bracket simultaneously, avoids climbing to overhaul the inconvenience that brings.

Description

Low-voltage power grid supplies power with safe type switch board

Technical Field

The invention relates to the technical field of power distribution safety of a power grid, in particular to a safe power distribution cabinet for power supply of a low-voltage power grid.

Background

The low-voltage power grid generally refers to the terminal transformer after stepping down, and with the outside interconnecting link between the actual output power consumption end, this section circuit generally keeps in 220 v's safe voltage at home, is the standard voltage of resident's power consumption, simultaneously in order to ensure power consumption safety and voltage stability, can set up some steady voltage equipment usually, in order to concentrate these equipment and deposit and protect, can place it in the inside of unified switch board usually.

But when in-service use, the space of distribution substation is less, and the equipment that needs to deposit is more, consequently can adopt the mode of stack to carry out the installation of switch board usually, with the utilization ratio in promotion space, but this also makes the switch board position of top higher, in daily maintenance and maintenance, need maintainer to adopt the cat ladder to climb to the eminence and overhaul usually, it is not very convenient to use, simultaneously when changing with the corresponding equipment of dismouting, equipment is heavier, it breaks to appear dropping very easily when carrying from top to bottom, consequently, need provide a low voltage electric network power supply with safe type switch board in order to solve above-mentioned problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the prior art, the invention discloses a safety power distribution cabinet for power supply of a low-voltage power grid, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the safe power distribution cabinet comprises a power distribution cabinet main body, wherein a cabinet door is movably hinged to the outer surface of the power distribution cabinet main body, a hollow partition plate is fixedly welded in the middle of the power distribution cabinet main body, a dust removal and cooling fan is fixedly mounted on the upper side and the lower side of the interior of the hollow partition plate, a first sliding carrier frame and a second sliding carrier frame are respectively slidably connected to the upper end and the lower end of the interior of the power distribution cabinet main body, and a mounting frame and a second mounting carrier plate are respectively movably clamped on the outer surfaces of the first sliding carrier frame and the second sliding carrier frame;

the jointing equipment pole, the fixed welding of jointing equipment pole is on the top of first slip carrier, first slide rail has been cup jointed in the equal activity of both ends surface of jointing equipment pole, the interior bottom of first slide rail is equipped with the second spring, the location spout has all been seted up to the inner wall both sides of switch board main part, and the top sliding connection of first slide rail is in the inside of location spout, the inside of jointing equipment pole is equipped with spring assembly, spring assembly's tip and the middle part activity joint of first slide rail, spring assembly's lower surface is equipped with the tooth's socket, the inside of jointing equipment pole is rotated and is connected with drive gear, the inside sliding connection of first slip carrier has the rack, spring assembly passes through the transmission gear and is connected with the rack toothing transmission, the bottom of rack is equipped with the kelly, kelly and mounting bracket activity joint.

Preferably, first slip carrier includes pole setting, crosspiece pole and handle pole, the fixed welding of crosspiece pole is in the bottom of pole setting, the handle pole rotates the other end of connecting at the crosspiece pole, the fixed slot has been seted up to the surface of pole setting, the surface at the fixed slot is installed to the mounting bracket.

Preferably, the mounting bracket comprises a first mounting support plate, a supporting connecting frame and a mounting block, the supporting connecting frame and the mounting block are respectively fixedly welded on the front side and the rear side of the first mounting support plate, the mounting block is movably inserted into the fixing groove, one end of the clamping rod is movably inserted into the mounting block, the other end of the clamping rod is fixedly connected with a movable rod, and the movable rod is fixedly connected to the bottom end of the rack.

Preferably, the spring assembly comprises a shifting block, a fixed shaft, a reset spring and a push rod, a movable groove is formed in the outer surface of the connecting equipment rod, the shifting block is connected inside the movable groove in a sliding mode, the shifting block is movably sleeved on the outer surfaces of the two ends of the fixed shaft, the reset spring is movably sleeved on the middle portion of the fixed shaft, the push rod is fixedly connected to the side face of the shifting block, a tooth groove is formed in the lower surface of the push rod, a rotating shaft is fixedly inserted in the middle of the transmission gear, and the rotating shaft is rotatably connected inside the connecting equipment rod.

Preferably, the two ends of the connecting device rod are fixedly connected with limit strips, a first sliding groove is formed in the first sliding rail, the limit strips and the second spring are connected in the first sliding groove in a sliding mode, a clamping hole is formed in the inner side wall of the first sliding rail, the tail end of the push rod is fixedly connected with an inserting rod, and the inserting rod is movably inserted in the clamping hole.

Preferably, the top side of the first slide rail is rotatably connected with a connecting ring, the positioning slide groove is fixedly connected with a positioning guide rail, a first spring is movably sleeved on the outer surface of the bottom end of the positioning guide rail, the connecting ring is movably sleeved on the outer surface of the positioning guide rail, and a rotating groove is formed in the bottom end of the first sliding carrier frame.

Preferably, the inside of rotating the groove is rotated and is connected with the connecting block, the spacing groove has been seted up to the upper surface of hollow division board, connecting block sliding connection is in the inside of spacing groove the air discharge duct has all been seted up to the both sides of hollow division board, the air discharge duct runs through the lateral wall of switch board main part.

Preferably, the second sliding carrier frame includes connecting strip, sliding support strip and fixed blend stop, sliding support strip fixed connection is at the upper and lower both ends of connecting strip, fixed blend stop fixed connection is at the middle part of connecting strip, the equal fixedly connected with second slide rail in bottom inner wall both sides of switch board main part, sliding support strip sliding connection is in the inside of second slide rail.

Preferably, the second spout has been seted up to the inside of second slide rail, the equal fixedly connected with spacing slider in both ends of slip support bar, spacing slider sliding connection is in the inside of second spout, both sides are fixedly connected with T shape fixture block and L shape card strip respectively about the back of second installation support plate, T shape draw-in groove and bar groove have been seted up respectively to the surface of slip support bar and fixed blend stop, T shape fixture block and L shape card strip are the activity respectively and are pegged graft in the inside in T shape draw-in groove and bar groove.

The invention discloses a safe power distribution cabinet for power supply of a low-voltage power grid, which has the following beneficial effects:

1. the safe power distribution cabinet for power supply of the low-voltage power grid is characterized in that a handle rod is pulled outwards by hand, a first slide rail slides outwards along a positioning guide rail, a connecting block slides outwards along a limiting groove, the first slide rail slides downwards for a certain distance at the moment, a first spring is compressed, a first slide carrier slides downwards for a certain distance at the same time, a second spring is compressed at the same time, then the handle rod is pulled downwards, the second spring is compressed to the limit, an inserting rod is just opposite to a clamping hole at the moment, the inserting rod enters the clamping hole to be fixed under the action of a reset spring at the moment, a push rod drives a rack to move upwards through a transmission gear at the same time, the clamping rod is moved out from the inside of an installation block, the first slide carrier slides to the position below the front face of a power distribution cabinet main body to form a fixed state at the moment, meanwhile, the fixing of the installation rack is released, and the installation rack is convenient to take down, and (5) overhauling equipment on the mounting frame.

2. This low-voltage electric network supplies power with safe type switch board, after the maintenance, through inside inserting the fixed slot with the installation piece, then press to the middle part through with two sets of shifting blocks, make reset spring compressed, the inserted bar shifts out from the downthehole portion of card simultaneously, the inside that the installation piece was inserted to the kelly this moment is fixed, the second spring is extended this moment, with the jack-up that makes progress of first sliding carrier frame, promote upwards through handheld handle pole this moment, promote upwards more easily under the auxiliary action of first spring and second spring, finally make first sliding carrier frame upwards push to the inside of switch board main part, the installation is accomplished, the realization is fixed to the equipment of mounting bracket surface simultaneously.

3. This low-voltage electric network supplies power with safe type switch board, when the device need overhaul the electrical equipment of below, through opening the cabinet door, then with the outside pulling of equipment for the slip support bar is along the outside roll-off switch board main part of second slide rail, through the equipment that will overhaul one section distance of upwards lifting this moment, makes T shape fixture block and L shape card strip shift out from T shape draw-in groove and bar inslot portion respectively, then outwards takes out it and conveniently carries out the equipment removal.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the outer surface configuration of the first sliding carrier of the present invention;

FIG. 3 is a sectional view of the first slide carrier backside structure of the present invention;

FIG. 4 is an exploded view of the first sliding carrier outer surface configuration of the present invention;

FIG. 5 is a schematic view of the spring assembly of the present invention;

FIG. 6 is a schematic view of the internal top structure of the power distribution cabinet body of the present invention;

FIG. 7 is a schematic view of a second carrier structure according to the present invention;

fig. 8 is an exploded view of the second carrier backside structure of the present invention.

In the figure: 1. a power distribution cabinet main body; 2. a cabinet door; 3. a first slide carrier; 301. erecting a rod; 302. a crossbar; 303. a handle bar; 4. a mounting frame; 401. a first mounting carrier plate; 402. a support link; 403. mounting blocks; 5. a hollow partition plate; 6. a second slide carriage; 601. a connecting strip; 602. a sliding support bar; 603. fixing the barrier strip; 7. a second mounting support plate; 8. positioning the guide rail; 9. a first slide rail; 10. connecting the equipment rod; 11. a first spring; 12. a first chute; 13. a limiting strip; 14. a second spring; 15. a connecting ring; 16. a rotating groove; 17. connecting blocks; 18. a clamping hole; 19. a movable groove; 20. fixing grooves; 21. a spring assembly; 211. shifting blocks; 212. a fixed shaft; 213. a return spring; 214. a push rod; 22. inserting a rod; 23. a tooth socket; 24. a rotating shaft; 25. a transmission gear; 26. a rack; 27. a movable rod; 28. a clamping rod; 29. positioning the chute; 30. a limiting groove; 31. a dedusting and cooling fan; 32. an exhaust groove; 33. a second slide rail; 34. a second chute; 35. a limiting slide block; 36. a T-shaped clamping groove; 37. a T-shaped fixture block; 38. a strip-shaped groove; 39. l-shaped clamping strips.

Detailed Description

The embodiment of the invention discloses a safe power distribution cabinet for power supply of a low-voltage power grid, which comprises a power distribution cabinet main body 1, wherein a cabinet door 2 is movably hinged on the outer surface of the power distribution cabinet main body 1, a hollow partition plate 5 is fixedly welded in the middle of the power distribution cabinet main body 1, dust removing and cooling fans 31 are fixedly arranged on the upper side and the lower side of the interior of the hollow partition plate 5, the upper end and the lower end of the interior of the power distribution cabinet main body 1 are respectively connected with a first sliding carrier frame 3 and a second sliding carrier frame 6 in a sliding manner, and a mounting frame 4 and a second mounting carrier frame 7 are respectively movably clamped on the outer surfaces of the first sliding carrier frame 3 and the second sliding carrier frame 6;

meanwhile, the device further comprises a connecting device rod 10, the connecting device rod 10 is fixedly welded on the top end of the first sliding carrier 3, first sliding rails 9 are movably sleeved on the outer surfaces of the two ends of the connecting device rod 10, a second spring 14 is arranged at the inner bottom of each first sliding rail 9, positioning sliding grooves 29 are formed in the two sides of the inner wall of the power distribution cabinet main body 1, the top end of each first sliding rail 9 is connected to the inside of each positioning sliding groove 29 in a sliding mode, a spring assembly 21 is arranged inside the connecting device rod 10, the end portion of each spring assembly 21 is movably clamped with the middle of each first sliding rail 9, tooth grooves 23 are formed in the lower surface of each spring assembly 21, a transmission gear 25 is connected to the inside of the connecting device rod 10 in a rotating mode, a rack 26 is connected to the inside of the first sliding carrier 3 in a sliding mode, the spring assemblies 21 are connected with the rack 26 in a meshing transmission mode through the transmission gear 25, a clamping rod 28 is arranged at the bottom end of the rack 26, and the clamping rod 28 is movably clamped with the mounting rack 4.

Referring to fig. 4, the first sliding carrier 3 includes a vertical rod 301, a crosspiece rod 302 and a handle rod 303, the crosspiece rod 302 is fixedly welded at the bottom end of the vertical rod 301, the handle rod 303 is rotatably connected at the other end of the crosspiece rod 302, a fixing groove 20 is formed in the outer surface of the vertical rod 301, the mounting frame 4 is mounted on the outer surface of the fixing groove 20, and the crosspiece rod 302 supports the equipment from the bottom in use.

Referring to fig. 4-5, the mounting bracket 4 includes a first mounting carrier plate 401, a supporting connection frame 402 and mounting blocks 403, the supporting connection frame 402 and the mounting blocks 403 are respectively fixedly welded to the front and rear sides of the first mounting carrier plate 401, the mounting blocks 403 are movably inserted into the fixing grooves 20, one end of the clamping rod 28 is movably inserted into the mounting blocks 403, the other end of the clamping rod 28 is fixedly connected with a movable rod 27, the movable rod 27 is fixedly connected to the bottom end of the rack 26, the two sets of shifting blocks 211 are pressed towards the middle, so that the return spring 213 is compressed, the inserting rod 22 is moved out of the clamping hole 18, and the clamping rod 28 is inserted into the mounting blocks 403 for fixing.

Referring to fig. 3-5, the spring assembly 21 includes a shifting block 211, a fixed shaft 212, a return spring 213 and a push rod 214, the outer surface of the connection device rod 10 is provided with a movable groove 19, the shifting block 211 is slidably connected inside the movable groove 19, the shifting block 211 is movably sleeved on the outer surfaces of two ends of the fixed shaft 212, the return spring 213 is movably sleeved on the middle portion of the fixed shaft 212, the push rod 214 is fixedly connected on the side surface of the shifting block 211, the tooth space 23 is arranged on the lower surface of the push rod 214, the middle portion of the transmission gear 25 is fixedly inserted with a rotating shaft 24, the rotating shaft 24 is rotatably connected inside the connection device rod 10, and the number of the transmission gears 25 is two, and the two sets of transmission gears are respectively engaged with the tooth space 23 and the rack 26 for transmission.

Referring to fig. 3, the equal fixedly connected with spacing 13 in both ends of jointing equipment pole 10, first spout 12 has been seted up to the inside of first slide rail 9, spacing 13 and the equal sliding connection of second spring 14 are in the inside of first spout 12, card hole 18 has been seted up on the inside wall of first slide rail 9, the terminal fixedly connected with inserted bar 22 of push rod 214, inserted bar 22 activity is pegged graft in the inside of card hole 18, when overhauing, spacing 13 lapse, work as, inserted bar 22 is just when calorie hole 18, second spring 14 is compressed to the limit.

Referring to fig. 2-3, the top end side of the first slide rail 9 is rotatably connected with a connection ring 15, the inside of the positioning chute 29 is fixedly connected with a positioning guide rail 8, the outer surface of the bottom end of the positioning guide rail 8 is movably sleeved with a first spring 11, the connection ring 15 is movably sleeved on the outer surface of the positioning guide rail 8, the bottom end of the first sliding carrier 3 is provided with a rotating groove 16, and the positioning guide rail 8 enables the first sliding carrier 3 to slide downwards for a certain distance after sliding outwards out of the power distribution cabinet main body 1 until the first spring 11 is compressed to the limit.

Referring to fig. 3 and 6, the inside of the rotating groove 16 is rotatably connected with a connecting block 17, a limiting groove 30 is formed in the upper surface of the hollow partition plate 5, the connecting block 17 is slidably connected to both sides of the hollow partition plate 5 in the limiting groove 30, an exhaust groove 32 is formed in each of the two sides of the hollow partition plate 5 in the limiting groove 30, the exhaust groove 32 penetrates through the side wall of the power distribution cabinet main body 1, and the connecting block 17 can prevent the whole first sliding carrier 3 from being inclined.

Referring to fig. 7-8, second sliding carrier 6 includes connecting strip 601, sliding support bar 602 and fixed blend stop 603, and sliding support bar 602 fixed connection is at the upper and lower both ends of connecting strip 601, and fixed blend stop 603 fixed connection is in the middle part of connecting strip 601, the equal fixedly connected with second slide rail 33 in bottom inner wall both sides of switch board main body 1, and sliding support bar 602 sliding connection is in the inside of second slide rail 33.

Referring to fig. 7-8, a second sliding groove 34 is formed in the second sliding rail 33, two ends of the sliding support bar 602 are fixedly connected with a limiting slider 35, the limiting slider 35 is slidably connected in the second sliding groove 34, the upper side and the lower side of the back surface of the second mounting carrier plate 7 are fixedly connected with a T-shaped clamping block 37 and an L-shaped clamping strip 39 respectively, a T-shaped clamping groove 36 and a strip-shaped groove 38 are formed in the outer surfaces of the sliding support bar 602 and the fixed blocking strip 603 respectively, and the T-shaped clamping block 37 and the L-shaped clamping strip 39 are movably inserted in the T-shaped clamping groove 36 and the strip-shaped groove 38 respectively.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below by way of examples with reference to the accompanying drawings in the present invention.

The first embodiment,

As shown in fig. 1-8, the safe power distribution cabinet for low-voltage power grid power supply comprises a power distribution cabinet main body 1, wherein a cabinet door 2 is movably hinged on the outer surface of the power distribution cabinet main body 1, a hollow partition plate 5 is fixedly welded in the middle of the power distribution cabinet main body 1, dust removing and cooling fans 31 are fixedly installed on the upper side and the lower side of the interior of the hollow partition plate 5, the upper end and the lower end of the interior of the power distribution cabinet main body 1 are respectively connected with a first sliding carrier frame 3 and a second sliding carrier frame 6 in a sliding manner, and a mounting frame 4 and a second mounting carrier plate 7 are respectively movably clamped on the outer surfaces of the first sliding carrier frame 3 and the second sliding carrier frame 6;

the two sides of the hollow partition plate 5 are both provided with exhaust grooves 32, the exhaust grooves 32 penetrate through the side wall of the power distribution cabinet main body 1, the second sliding carrier 6 comprises a connecting bar 601, a sliding support bar 602 and a fixed blocking bar 603, the sliding support bar 602 is fixedly connected to the upper and lower ends of the connecting bar 601, the fixed blocking bar 603 is fixedly connected to the middle part of the connecting bar 601, both sides of the inner wall of the bottom end of the power distribution cabinet main body 1 are both fixedly connected with a second sliding rail 33, the sliding support bar 602 is slidably connected to the inside of the second sliding rail 33, the inside of the second sliding rail 33 is provided with a second sliding groove 34, both ends of the sliding support bar 602 are both fixedly connected with a limiting slide block 35, the limiting slide block 35 is slidably connected to the inside of the second sliding groove 34, the upper and lower sides of the back of the second mounting carrier plate 7 are respectively and fixedly connected with a T-shaped clamping block 37 and an L-shaped clamping bar 39, the outer surfaces of the sliding support bar 602 and the fixed blocking bar 603 are respectively provided with a T-shaped clamping groove 36 and a strip groove 38, the T-shaped fixture block 37 and the L-shaped fixture strip 39 are movably inserted into the T-shaped fixture groove 36 and the strip-shaped groove 38 respectively;

the device is when using, through installing corresponding equipment at the surface of mounting bracket 4 and second installation support plate 7, then accomodate it respectively in both ends about the inside of switch board main part 1, when using, cool down the dust removal from the inside of middle part switch board main part 1 through dust removal cooling fan 31, and outwards discharge heat and dust from the both sides of switch board main part 1, simultaneously when the device need overhaul the power equipment of below, through opening cabinet door 2, then outwards stimulate equipment, make sliding support bar 602 outwards roll-off switch board main part 1 along second slide rail 33, upwards lift up a section distance through the equipment that will overhaul this moment, make T-shaped fixture block 37 and L-shaped fixture block 39 shift out from T-shaped clamping groove 36 and bar groove 38 inside respectively, then outwards take out it.

Example II,

As shown in fig. 1-8, the device further includes a connecting device rod 10, the connecting device rod 10 is fixedly welded at the top end of the first sliding carrier 3, the outer surfaces of the two ends of the connecting device rod 10 are movably sleeved with the first sliding rail 9, the inner bottom of the first sliding rail 9 is provided with the second spring 14, the two sides of the inner wall of the main body 1 of the power distribution cabinet are respectively provided with the positioning sliding grooves 29, the top end of the first sliding rail 9 is slidably connected inside the positioning sliding grooves 29, the inside of the connecting device rod 10 is provided with the spring assembly 21, the end of the spring assembly 21 is movably clamped with the middle of the first sliding rail 9, the lower surface of the spring assembly 21 is provided with the tooth grooves 23, the inside of the connecting device rod 10 is rotatably connected with the transmission gear 25, the inside of the first sliding carrier 3 is slidably connected with the rack 26, the spring assembly 21 is engaged and transmission-connected with the rack 26 through the transmission gear 25, a clamping rod 28 is arranged at the bottom end of the rack 26, the clamping rod 28 is movably clamped with the mounting frame 4, the first sliding carrier 3 comprises an upright rod 301, a cross bar 302 and a handle rod 303, the cross bar 302 is fixedly welded at the bottom end of the upright rod 301, the handle rod 303 is rotatably connected to the other end of the cross bar 302, a fixing groove 20 is formed in the outer surface of the upright rod 301, the mounting frame 4 is mounted on the outer surface of the fixing groove 20, the mounting frame 4 comprises a first mounting carrier plate 401, a supporting connecting frame 402 and mounting blocks 403, the supporting connecting frame 402 and the mounting blocks 403 are respectively fixedly welded at the front side and the rear side of the first mounting carrier plate 401, the mounting blocks 403 are movably inserted into the fixing groove 20, one end of the clamping rod 28 is movably inserted into the mounting blocks 403, the other end of the clamping rod 28 is fixedly connected with a movable rod 27, and the movable rod 27 is fixedly connected to the bottom end of the rack 26;

the spring assembly 21 comprises a shifting block 211, a fixed shaft 212, a reset spring 213 and a push rod 214, a movable groove 19 is formed in the outer surface of the connecting device rod 10, the shifting block 211 is slidably connected inside the movable groove 19, the shifting block 211 is movably sleeved on the outer surfaces of two ends of the fixed shaft 212, the reset spring 213 is movably sleeved in the middle of the fixed shaft 212, the push rod 214 is fixedly connected to the side surface of the shifting block 211, a tooth groove 23 is formed in the lower surface of the push rod 214, a rotating shaft 24 is fixedly inserted in the middle of a transmission gear 25, the rotating shaft 24 is rotatably connected inside the connecting device rod 10, two ends of the connecting device rod 10 are both fixedly connected with limit strips 13, a first sliding groove 12 is formed in the first sliding rail 9, the limit strips 13 and a second spring 14 are both slidably connected inside the first sliding groove 12, a clamping hole 18 is formed in the inner side wall of the first sliding rail 9, an inserting rod 22 is fixedly connected to the tail end of the push rod 214, and the inserting rod 22 is movably inserted in the clamping hole 18, the side surface of the top end of the first sliding rail 9 is rotatably connected with a connecting ring 15, the inside of the positioning sliding groove 29 is fixedly connected with a positioning guide rail 8, the outer surface of the bottom end of the positioning guide rail 8 is movably sleeved with a first spring 11, the connecting ring 15 is movably sleeved on the outer surface of the positioning guide rail 8, the bottom end of the first sliding carrier 3 is provided with a rotating groove 16, the inside of the rotating groove 16 is rotatably connected with a connecting block 17, the upper surface of the hollow partition plate 5 is provided with a limiting groove 30, and the connecting block 17 is slidably connected inside the limiting groove 30;

meanwhile, when the equipment above needs to be overhauled, the handle rod 303 is pulled outwards by hand, so that the first slide rail 9 slides outwards along the positioning guide rail 8, in the process, the connecting block 17 slides outwards along the limiting groove 30 and finally disengages from the end part of the limiting groove 30, the first slide rail 9 drives the first slide carrier 3 to slide downwards for a certain distance, so that the first spring 11 is compressed, the first slide carrier 3 slides downwards for a certain distance along the first slide rail 9, the second spring 14 is compressed, the handle rod 303 is pulled downwards, so that the limiting strip 13 slides to the middle position in the first slide groove 12, the second spring 14 is compressed to the limit, the inserting rod 22 faces the clamping hole 18, at the moment, under the action of the reset spring 213, the two groups of push rods 214 move towards the two ends, so that the inserting rod 22 enters the clamping hole 18 to be fixed, meanwhile, the push rod 214 drives the transmission gear 25 to rotate through the tooth slot 23, the transmission gear 25 drives the rack 26 to move upwards, so that the clamping rod 28 is moved out of the mounting block 403, the first sliding carrier frame 3 slides to the position below the front face of the power distribution cabinet main body 1 and forms a fixed state, meanwhile, the mounting frame 4 is released from being fixed, the mounting frame 4 is conveniently taken down, and equipment on the mounting frame 4 is overhauled;

after the maintenance is finished, the equipment is installed on the outer surface of the mounting frame 4, the installation block 403 is inserted into the fixing groove 20, two groups of shifting blocks 211 are pressed towards the middle, the reset spring 213 is compressed, meanwhile, the insertion rod 22 is moved out of the clamping hole 18, the clamping rod 28 is inserted into the installation block 403 for fixing, the second spring 14 is unfolded at the moment, the first sliding carrier 3 is jacked upwards, the first sliding carrier is pushed upwards through the handheld handle rod 303 at the moment, the first sliding carrier is pushed upwards under the auxiliary action of the first spring 11 and the second spring 14 more easily, finally, the first sliding carrier 3 is pushed upwards to the inside of the power distribution cabinet main body 1, the installation is completed, and meanwhile, the equipment fixing on the outer surface of the mounting frame 4 is achieved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low-voltage power grid power supply safety power distribution cabinet is characterized by comprising a power distribution box body;

the power distribution cabinet comprises a power distribution cabinet main body (1), wherein a cabinet door (2) is movably hinged to the outer surface of the power distribution cabinet main body (1), a hollow partition plate (5) is fixedly welded in the middle of the power distribution cabinet main body (1), dust removal and cooling fans (31) are fixedly mounted on the upper side and the lower side of the interior of the hollow partition plate (5), a first sliding carrier frame (3) and a second sliding carrier frame (6) are respectively slidably connected to the upper end and the lower end of the interior of the power distribution cabinet main body (1), and a mounting frame (4) and a second mounting carrier plate (7) are respectively movably clamped to the outer surfaces of the first sliding carrier frame (3) and the second sliding carrier frame (6);

a connecting device rod (10), the connecting device rod (10) is fixedly welded on the top end of the first sliding carrier (3), a first sliding rail (9) is movably sleeved on the outer surfaces of the two ends of the connecting device rod (10), a second spring (14) is arranged at the inner bottom of the first sliding rail (9), positioning sliding grooves (29) are respectively formed in the two sides of the inner wall of the power distribution cabinet main body (1), the top end of the first sliding rail (9) is slidably connected inside the positioning sliding grooves (29), a spring assembly (21) is arranged inside the connecting device rod (10), the end portion of the spring assembly (21) is movably clamped with the middle portion of the first sliding rail (9), a tooth groove (23) is formed in the lower surface of the spring assembly (21), a transmission gear (25) is rotatably connected inside the connecting device rod (10), and a rack (26) is slidably connected inside the first sliding carrier (3), spring unit (21) are connected through drive gear (25) and rack (26) meshing transmission, the bottom of rack (26) is equipped with kelly (28), kelly (28) and mounting bracket (4) activity joint.

2. The safety power distribution cabinet for low-voltage power grid power supply according to claim 1, characterized in that: first slip carrier (3) are including pole setting (301), crosspiece pole (302) and handle pole (303), crosspiece pole (302) fixed welding is in the bottom of pole setting (301), handle pole (303) are rotated and are connected the other end at crosspiece pole (302), fixed slot (20) have been seted up to the surface of pole setting (301), the surface at fixed slot (20) is installed in mounting bracket (4).

3. The low-voltage power grid power supply safety power distribution cabinet according to claim 2, characterized in that: the mounting frame (4) comprises a first mounting support plate (401), a supporting connecting frame (402) and a mounting block (403), the supporting connecting frame (402) and the mounting block (403) are respectively fixedly welded on the front side and the rear side of the first mounting support plate (401), the mounting block (403) is movably inserted into the fixing groove (20), one end of the clamping rod (28) is movably inserted into the mounting block (403), the other end of the clamping rod (28) is fixedly connected with a movable rod (27), and the movable rod (27) is fixedly connected to the bottom end of the rack (26).

4. The safety power distribution cabinet for low-voltage power grid power supply according to claim 1, characterized in that: spring unit (21) includes shifting block (211), fixed axle (212), reset spring (213) and push rod (214), movable groove (19) have been seted up to the surface of jointing equipment pole (10), shifting block (211) sliding connection is in the inside of movable groove (19), shifting block (211) activity cup joints the both ends surface at fixed axle (212), reset spring (213) activity cup joints the middle part at fixed axle (212), push rod (214) fixed connection is in the side of shifting block (211), the lower surface of push rod (214) is seted up in tooth's socket (23), the fixed pivot (24) of pegging graft in middle part of drive gear (25), pivot (24) rotate the inside of connecting equipment pole (10) of connection.

5. The low-voltage power grid power supply safety type power distribution cabinet according to claim 4, characterized in that: the connecting device comprises a connecting device rod (10), wherein two ends of the connecting device rod are fixedly connected with limiting strips (13), a first sliding groove (12) is formed in the first sliding rail (9), the limiting strips (13) and a second spring (14) are connected to the inside of the first sliding groove (12) in a sliding mode, a clamping hole (18) is formed in the inner side wall of the first sliding rail (9), an inserting rod (22) is fixedly connected to the tail end of a push rod (214), and the inserting rod (22) is movably inserted into the clamping hole (18).

6. The safety power distribution cabinet for low-voltage power grid power supply according to claim 5, wherein: the top side of first slide rail (9) rotates and is connected with go-between (15), the inside fixedly connected with location guide rail (8) of location spout (29), the bottom surface activity of location guide rail (8) has cup jointed first spring (11), and go-between (15) activity cup joints the surface at location guide rail (8), rotation groove (16) have been seted up to the bottom of first slip carrier (3).

7. The safety power distribution cabinet for low-voltage power grid power supply according to claim 6, wherein: the inside of rotating groove (16) is rotated and is connected with connecting block (17), spacing groove (30) have been seted up to the upper surface of hollow partition board (5), connecting block (17) sliding connection is in the inside of spacing groove (30) exhaust duct (32) have all been seted up to the both sides of hollow partition board (5), exhaust duct (32) run through the lateral wall of switch board main part (1).

8. The safety power distribution cabinet for low-voltage power grid power supply according to claim 1, characterized in that: second slip carrier (6) are including connecting strip (601), slip support bar (602) and fixed blend stop (603), slip support bar (602) fixed connection is at the upper and lower both ends of connecting strip (601), fixed blend stop (603) fixed connection is at the middle part of connecting strip (601), the equal fixedly connected with second slide rail (33) in bottom inner wall both sides of switch board main part (1), slip support bar (602) sliding connection is in the inside of second slide rail (33).

9. The safety power distribution cabinet for low-voltage power grid power supply according to claim 8, wherein: second spout (34) have been seted up to the inside of second slide rail (33), the equal fixedly connected with stop block (35) in both ends of slip support bar (602), stop block (35) sliding connection is in the inside of second spout (34), both sides are fixedly connected with T shape fixture block (37) and L shape card strip (39) respectively about the back of second installation support plate (7), T shape draw-in groove (36) and bar groove (38) have been seted up respectively to the surface of slip support bar (602) and fixed blend stop (603), T shape fixture block (37) and L shape card strip (39) are the activity respectively and are pegged graft in the inside of T shape draw-in groove (36) and bar groove (38).