CN115064942A

CN115064942A - Splicing type ring main unit convenient to maintain and using method thereof

Info

Publication number: CN115064942A
Application number: CN202210826551.8A
Authority: CN
Inventors: 张娜
Original assignee: Anhui Shenchuang Jingjie Optoelectronics Co ltd
Current assignee: Anhui Shenchuang Jingjie Optoelectronics Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-09-16

Abstract

The invention discloses a splicing type ring main unit convenient to overhaul and a using method thereof. According to the splicing type ring main unit convenient to maintain and the using method thereof, the limiting pressure rod and the cable penetrating box are matched for use, so that the limiting effect on the cable can be achieved, the cable is prevented from being wound, the cable can be fixed when the ring main unit does not need to be moved, the connected reserved cable can be driven to move when the ring main unit needs to be moved, the cable can conveniently slide along the rotating groove through the rotating wheel, the cable can conveniently move, and the maintenance work is facilitated.

Description

Splicing type ring main unit convenient to maintain and using method thereof

Technical Field

The invention relates to the technical field of ring main units, in particular to a splicing ring main unit convenient to overhaul and a using method thereof.

Background

The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and is widely used in distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large-scale public buildings, factory enterprises and the like, for example, the prior application No. 202021179208.1 discloses a splicing ring main unit, which comprises a first main unit body and a stop block, the right side of the first cabinet body is connected with the second cabinet body through a connecting frame, the left side of the first cabinet body and the right side of the second cabinet body are both fixed with side plates through bolts, the back inner wall of the first cabinet body and the back inner wall of the second cabinet body are both fixed with a support plate through bolts, and the up end sliding connection of backup pad has the pull board, the front side of the first cabinet body and the front side of the second cabinet body all rotate and are connected with the cabinet door, and the preceding terminal surface of cabinet door is fixed with the handle. The splicing ring main unit is characterized in that after a connecting frame is fixed on the inner sides of a first cabinet body and a second cabinet body by bolts, the first cabinet body and the second cabinet body can be connected and fixed together in a left-right mode, meanwhile, the first cabinet body and the second cabinet body in corresponding numbers can be assembled according to requirements, and finally, side plates can be fixed on the first cabinet body at the leftmost side and the second cabinet body at the rightmost side by bolts, so that the splicing work can be conveniently finished, but some problems still exist in the splicing ring main unit. Therefore, the splicing type ring main unit convenient to overhaul and the using method thereof are provided.

Disclosure of Invention

The invention mainly aims to provide a splicing type ring main unit convenient to maintain and a using method thereof, which can effectively solve the problems in the background technology: the cable is stacked together and is made the cable put to be in disorder, makes the cable winding together easily, and when outwards pulling out with the looped netowrk cabinet, the removal of looped netowrk cabinet is restricted easily to the cable, and hard pulling looped netowrk cabinet still breaks the cable easily this moment, has increased the work degree of difficulty.

In order to achieve the purpose, the invention adopts the technical scheme that:

a splicing ring main unit convenient to overhaul comprises an installation outer box body, wherein a plurality of groups of moving bottom plates are arranged at the bottom end inside the installation outer box body, ring main unit bodies are installed at the upper ends of the moving bottom plates, racks are arranged at the lower ends of the moving bottom plates, a plurality of groups of first gears are arranged at the bottom end inside the installation outer box body and are connected through a transverse transmission belt, a plurality of groups of second gears are arranged at the rear end inside the installation outer box body and are connected through a vertical transmission belt, a plurality of groups of fixed connecting sleeves are arranged on the vertical transmission belt and are connected with limiting pressure rods, a vertical supporting plate is arranged inside the installation outer box body, one end of each limiting pressure rod penetrates through the vertical supporting plate, a sliding sleeve is further arranged on each limiting pressure rod and can slide along the limiting pressure rod, the sliding sleeve is connected with an upper box body through a first connecting rod, a cable penetrating box is arranged at the lower end of the upper box body, a containing groove is formed in the lower end face of the moving bottom plate, and a supporting mechanism is arranged inside the containing groove;

a plurality of groups of vertical sliding grooves are formed in the vertical supporting plate, supporting sleeves are arranged in the vertical sliding grooves, sliding limiting blocks are connected to two sides of each supporting sleeve, sliding limiting grooves are formed in two sides of the vertical supporting plate, the lower end of each supporting sleeve is connected with a reset supporting plate, the lower end of each reset supporting plate is connected with a reset connecting block, a reset spring is arranged at the bottom end of each vertical sliding groove, and the reset spring is connected with the reset connecting block;

wherein, the cable passes through the interior of the box and is provided with a first clamping mechanism, the first clamping mechanism comprises a clamping fixed plate, a clamping movable plate and an arc-shaped clamping plate, one side of the clamping fixed plate is connected with the arc-shaped clamping plate through a second connecting rod, one side of the clamping movable plate is connected with the arc-shaped clamping plate through a third connecting rod, one side of the clamping fixed plate is connected with a first fixed rod, one end of the first fixed rod is provided with a first sliding rod, the other side of the clamping movable plate is connected with a pushing threaded rod, one side of the pushing threaded rod is provided with a transmission box, the bottom end of the interior of the upper box body is provided with a driving gear, one side end part of the driving gear is positioned outside the upper box body, two groups of symmetrically arranged second clamping mechanisms are arranged near the interior of the cable passing box of the first clamping mechanism, and each second clamping mechanism comprises an installation box body and a rotating wheel, the cable clamping device comprises a mounting box body, a first clamping mechanism, a second clamping mechanism, a vertical threaded rod, a cable, a placing groove, a vertical threaded sleeve, a transmission gear and a driving gear, wherein the two sides of the mounting box body are provided with connecting rotating grooves, the two sides of the rotating wheel are connected with connecting rotating shafts, the outer end of the rotating wheel is provided with a rotating groove, the cable can slide at the outer end of the rotating groove conveniently, the second clamping mechanism positioned on the upper group is connected with the vertical threaded rod, the cable penetrates through the upper end of the box and is provided with the placing groove, the vertical threaded sleeve is arranged inside the placing groove, the outer end of the vertical threaded sleeve is provided with the transmission gear, and the transmission gear is meshed with the driving gear to rotate;

the transmission case is characterized in that a first bevel gear and a second bevel gear are arranged inside the transmission case, a pushing threaded sleeve is arranged inside the second bevel gear, one end of the pushing threaded rod penetrates through the pushing threaded sleeve, the upper end of the first bevel gear is connected with a first rotating shaft, and the first rotating shaft is connected with a driving gear.

Further, the upper end of the outer box body is provided with a box body top plate, multiple groups of heat dissipation holes are formed in the two sides of the outer box body, an outer box door is installed at the front end of the outer box body, slat sliding grooves are formed in the lower end of the moving bottom plate, and multiple groups of limiting slats matched with the slat sliding grooves are arranged at the bottom end of the outer box body.

Further, the rack groove matched with the rack is formed in the bottom end of the inner portion of the outer installation box body, the rack is located inside the rack groove, the first gear and the rack are meshed to rotate, and the first gear is connected with the second gear through a transmission belt.

Furthermore, the inner wall of the outer box body is provided with a supporting sliding groove, the other end of the limiting pressure rod is located inside the supporting sliding groove, and the limiting pressure rod can move up and down along the supporting sliding groove.

Furthermore, the one end of spacing depression bar runs through and supports the cover, the slip stopper is located the inside of slip spacing groove, and the slip stopper through setting up slides in the inside of slip spacing groove, and then can carry on spacingly to supporting the cover for spacing depression bar can be along vertical sliding tray vertical removal.

Furthermore, go up the box and pass through the case with the cable and be connected, the inboard of arc grip block all is provided with the rubber pad, can prevent that the cable from being pressed from both sides badly, the bottom one side of centre gripping movable plate is run through to the one end of first slide bar, the sliding tray has been seted up to the inside of first slide bar, the one end of first dead lever is located the inside of sliding tray, the inside of sliding tray is provided with first spring, can play the effect that resets when the looped netowrk cabinet moves back to the inside of installing outer box, is convenient for play the fixed effect of centre gripping to the cable that passes once more.

Furthermore, the pushing threaded sleeve is in threaded fit rotation with the pushing threaded rod, the first bevel gear and the second bevel gear are in meshed rotation, the connecting rotating shaft is located inside the connecting rotating groove, the rotating wheel is in rotating connection with the installation box body, and the upper end of the vertical threaded rod penetrates through the vertical threaded sleeve and rotates in threaded fit with the vertical threaded sleeve.

Further, be located one side of drive gear one side looped netowrk cabinet body is provided with the rack board, drive gear rotates with the rack board meshing, and when the rack board of setting can drive gear pivoted, drive gear can reciprocate along the rack board, the cable has all been seted up at both ends around passing the case and has passed the hole, and the cable of being convenient for passes through inside.

Further, the supporting mechanism includes rotating the connecting piece, going up bracing piece, bottom suspension strut and support base, it rotates with the rotating the connecting piece to go up the bracing piece to be connected, the lower extreme of going up the bracing piece is provided with the screw thread end, the upper end of bottom suspension strut is equipped with the screw thread mounting groove, go up bracing piece and bottom suspension strut threaded connection, the bottom suspension strut rotates with the support base to be connected, through rotating the bottom suspension strut that sets up, is convenient for adjust supporting mechanism's length for when the inside of the outer box of installation is pulled out to the removal bottom plate, the support base of setting can with ground contact and then can play the supporting role to the removal bottom plate.

Further, a use method of the outdoor ring main unit convenient to install and overhaul comprises the following steps:

a: when the cable-passing box is used, the cable-passing box which is passed through by the cable can be pressed by the arranged limiting pressure rod to be positioned at the relative lower position of the wiring ports of the two ring main units, so that the cable-passing box drives the reserved cable between the two ring main units to be in a state close to being straightened, namely the reserved cable is in a U-shaped placement state, the cable can be limited, the reserved cable is prevented from being placed in a mess and easily wound together, and the reserved cable is not convenient to pull out the ring main unit from the inside of the outer box body for maintenance;

b, after the step A is completed, when the single ring main unit body needs to be overhauled, the lower end of the movable bottom plate is pulled, the limit strip plate slides along the strip plate sliding groove, the rack at the lower end of the movable bottom plate is meshed with the first gear to rotate while the movable bottom plate is pulled, the first gear and the second gear are driven to rotate through the transmission belt, the vertical transmission belt drives the fixed connecting sleeve which is connected with the limit pressure rod to move upwards, the limit pressure rod drives the cable which passes through the cable to pass through the box to move upwards, the reserved cable is lifted to the same horizontal height with the two groups of ring main unit wiring ports when the movable bottom plate is pulled, meanwhile, the rack plate at one side of the ring main unit drives the driving gear in the upper box body to rotate, and the sliding sleeve drives the cable to pass through the box to move outwards along the limit pressure rod, the first bevel gear can be driven to rotate, the first bevel gear is meshed with the second bevel gear to rotate, the pushing threaded sleeve is driven to rotate, the pushing threaded sleeve and the pushing threaded rod are arranged to rotate in a threaded fit manner, the pushing threaded rod is further driven to drive the clamping movable plate to move in the direction opposite to that of the clamping fixed plate, so that the two groups of arc-shaped clamping plates which are originally in the clamping state are changed into the loosening state, cables which are connected with the ring main unit are convenient to move when the ring main unit is pulled, the driving gear can drive the arranged transmission gear to rotate while rotating, the arranged vertical threaded sleeve is further driven to rotate inside the placing groove, the arranged vertical threaded sleeve and the vertical threaded rod are in a threaded fit manner to rotate, the vertical threaded rod drives the second clamping mechanism which is positioned above the vertical threaded sleeve to move upwards, and the two groups of second clamping mechanisms which are originally in the clamping state are changed into the loosening state, the cable can slide along the rotating groove on the rotating wheel of the lower group, and the rotating wheel arranged singly is convenient for the cable to slide along the second clamping mechanism, so that the cable connected with the cable can move along with the cable when the ring main unit body is pulled, the cable fixedly connected with the cable can be prevented from blocking the ring main unit from moving, and the situation that the cable connected with the cable is pulled to be broken when the ring main unit is pulled to move can be prevented;

and C, after the step B is completed, after the single ring main unit body to be overhauled is pulled out of the inner part of the outer installation box body, the supporting mechanism in the accommodating groove at the lower end of the moving bottom plate is rotated, the upper supporting rod and the lower supporting rod are in a vertical state, the upper supporting rod and the lower supporting rod are rotated in a threaded fit mode by rotating the arranged lower supporting rod, the lower supporting rod is further moved downwards until the arranged supporting base can be in contact with the ground, the moving bottom plate can be supported, the ring main unit is pushed back to the inner part of the outer installation box body after overhauling is completed, and the arranged first clamping mechanism and the arranged second clamping mechanism further play a role in clamping and fixing the cable.

Compared with the prior art, the invention has the following beneficial effects:

the limiting pressure rod and the cable which are arranged are matched with each other to be used through the box, so that the cable can be limited, the cable can be prevented from being wound, the cable can be fixed when the ring main unit does not need to be moved, the reserved cable which is connected can be driven to move when the ring main unit needs to be moved, the cable can be prevented from being broken, the cable can be further protected, the cable which penetrates through the ring main unit can be clamped and fixed through the first clamping mechanism and the second clamping mechanism, the cable which penetrates through the ring main unit can be clamped and fixed through the two groups of arc-shaped clamping plates of the first clamping mechanism, the cable which penetrates through the ring main unit can be clamped and fixed through the two groups of second clamping mechanisms which are arranged in a matching manner, the cable can be further clamped and limited through the ring main unit, when the ring main unit needs to be pulled, the rotating wheels are arranged so that the cable can slide along the rotating grooves conveniently, the movable cable pull-off device is favorable for cable movement, further prevents the situation that a connecting cable between the ring main units is broken by pulling, can play a role in protecting the reserved cable connected with the movable cable pull-off device, and can pull out the ring main units from the inside of the outer box body through pulling the movable bottom plate, so that the movable cable pull-off device is convenient to overhaul.

Drawings

Fig. 1 is a schematic view of an overall structure of a splicing ring main unit convenient to overhaul and a use method thereof.

Fig. 2 is a schematic diagram of an internal structure of the splicing ring main unit convenient to overhaul and the use method thereof.

Fig. 3 is a side view of the splicing type ring main unit convenient for maintenance and the use method thereof.

Fig. 4 is a partial sectional view of an installation outer box of the splicing type ring main unit convenient to overhaul and the use method thereof.

Fig. 5 is a schematic view of an internal structure of a vertical support plate of the splicing ring main unit convenient to overhaul and the use method thereof.

Fig. 6 is a cross-sectional view of a cable passing box of the splicing type ring main unit convenient to overhaul and the use method thereof.

Fig. 7 is a sectional view of the transmission case of the splicing type ring main unit convenient to overhaul and the use method thereof.

Fig. 8 is a schematic connection diagram of a first fixed rod and a first sliding rod of the splicing type ring main unit convenient to overhaul and the use method thereof.

Fig. 9 is an enlarged schematic view of the second clamping mechanism of the splicing ring main unit convenient to overhaul and the use method thereof according to the present invention.

Fig. 10 is a sectional view of a splicing ring main unit convenient to overhaul and a moving base plate of the use method of the splicing ring main unit.

In the figure: 1. installing an outer box body; 2. a box top plate; 3. heat dissipation holes; 4. an outer box door; 5. moving the base plate; 6. a ring main unit body; 7. a limiting batten; 8. a slat sliding groove; 9. a rack; 10. a first gear; 11. a transverse drive belt; 12. a second gear; 13. a vertical transmission belt; 14. fixing the connecting sleeve; 15. a limiting pressure lever; 16. a support sliding groove; 17. a vertical support plate; 18. a vertical sliding groove; 19. a sliding limiting block; 20. a sliding limit groove; 21. resetting the support plate; 22. resetting the connecting block; 23. a return spring; 24. a sliding sleeve; 25. a first connecting rod; 26. the cable passes through the box; 27. an upper box body; 28. a drive gear; 29. clamping the fixing plate; 30. clamping the moving plate; 31. an arc-shaped clamping plate; 32. a first fixing lever; 33. a first slide bar; 34. a first spring; 35. pushing the threaded rod; 36. a transmission case; 37. a first rotating shaft; 38. a first bevel gear; 39. pushing the threaded sleeve; 40. a second bevel gear; 41. a second clamping mechanism; 42. installing a box body; 43. a rotating wheel; 44. rotating the groove; 45. connecting a rotating shaft; 46. connecting the rotating groove; 47. a vertical threaded rod; 48. a vertical thread bushing; 49. a placement groove; 50. a transmission gear; 51. the cable passes through the hole; 52. a support sleeve; 53. rotating the connecting piece; 54. an upper support rod; 55. a lower support bar; 56. a support base; 57. a threaded end; 58. a receiving groove; 59. a rack plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Examples

As shown in FIGS. 1-10, a splicing ring main unit convenient for maintenance comprises an installation outer box body 1, a plurality of sets of moving bottom plates 5 are arranged at the bottom inside the installation outer box body 1, ring main unit bodies 6 are respectively installed at the upper ends of the moving bottom plates 5, racks 9 are arranged at the lower ends of the moving bottom plates 5, a plurality of sets of first gears 10 are arranged at the bottom inside the installation outer box body 1, the first gears 10 are connected through a transverse transmission belt 11, a plurality of sets of second gears 12 are arranged at the rear inside the installation outer box body 1, the second gears 12 are connected through a vertical transmission belt 13, a plurality of sets of fixed connecting sleeves 14 are arranged on the vertical transmission belt 13, limit pressure rods 15 are respectively connected on the fixed connecting sleeves 14, a vertical supporting plate 17 is arranged inside the installation outer box body 1, one end of each limit pressure rod 15 penetrates through the vertical supporting plate 17, a sliding sleeve 24 is further arranged on each limit pressure rod 15, the sliding sleeve 24 can slide along the limit pressure rods 15, the sliding sleeve 24 is connected with an upper box body 27 through a first connecting rod 25, a cable penetrating box 26 is arranged at the lower end of the upper box body 27, an accommodating groove 58 is formed in the lower end face of the moving bottom plate 5, and a supporting mechanism is arranged inside the accommodating groove 58;

a plurality of groups of vertical sliding grooves 18 are formed in the vertical supporting plate 17, a supporting sleeve 52 is arranged in the vertical sliding groove 18, two sides of the supporting sleeve 52 are connected with sliding limiting blocks 19, two sides of the vertical supporting plate 17 are provided with sliding limiting grooves 20, the lower end of the supporting sleeve 52 is connected with a reset supporting plate 21, the lower end of the reset supporting plate 21 is connected with a reset connecting block 22, the bottom end of the vertical sliding groove 18 is provided with a reset spring 23, and the reset spring 23 is connected with the reset connecting block 22;

wherein, a first clamping mechanism is arranged in the cable passing box 26, the first clamping mechanism comprises a clamping fixed plate 29, a clamping moving plate 30 and an arc-shaped clamping plate 31, one side of the clamping fixed plate 29 is connected with the arc-shaped clamping plate 31 through a second connecting rod, one side of the clamping moving plate 30 is connected with the arc-shaped clamping plate 31 through a third connecting rod, one side of the clamping fixed plate 29 is connected with a first fixed rod 32, one end of the first fixed rod 32 is provided with a first sliding rod 33, the other side of the clamping moving plate 30 is connected with a pushing threaded rod 35, one side of the pushing threaded rod 35 is provided with a transmission box 36, the bottom end in the upper box 27 is provided with a driving gear 28, one end part of the driving gear 28 is positioned outside the upper box 27, two groups of second clamping mechanisms 41 which are symmetrically arranged are also arranged in the box 26 near the first clamping mechanism cable, the second clamping mechanism 41 comprises an installation box body 42 and a rotating wheel 43, the two sides of the mounting box body 42 are provided with connecting rotating grooves 46, the two sides of the rotating wheel 43 are connected with connecting rotating shafts 45, the outer end of the rotating wheel 43 is provided with a rotating groove 44 for facilitating the sliding of the cable at the outer end thereof, the second clamping mechanism 41 positioned on the upper group is connected with a vertical threaded rod 47, the upper end of the cable passing box 26 is provided with a placing groove 49, a vertical threaded sleeve 48 is arranged inside the placing groove 49, the outer end of the vertical threaded sleeve 48 is provided with a transmission gear 50, and the transmission gear 50 is meshed with the driving gear 28 for rotation;

the transmission case 36 is internally provided with a first bevel gear 38 and a second bevel gear 40, the second bevel gear 40 is internally provided with a pushing threaded sleeve 39, one end of the pushing threaded rod 35 penetrates through the pushing threaded sleeve 39, the upper end of the first bevel gear 38 is connected with a first rotating shaft 37, and the first rotating shaft 37 is connected with the driving gear 28.

As shown in fig. 1, a box top plate 2 is arranged at the upper end of an installation outer box 1, a plurality of groups of heat dissipation holes 3 are arranged on both sides of the installation outer box 1, an outer box door 4 is arranged at the front end of the installation outer box 1, a slat sliding groove 8 is arranged at the lower end of a moving bottom plate 5, and a plurality of groups of limiting slats 7 matched with the slat sliding groove 8 are arranged at the bottom end inside the installation outer box 1.

As shown in fig. 2, a rack 9 groove matched with the rack 9 is formed at the bottom end of the inner part of the outer box 1, the rack 9 is located in the rack 9 groove, the first gear 10 is meshed with the rack 9 to rotate, and the first gear 10 is in transmission connection with the second gear 12 through a transmission belt.

As shown in fig. 4, a supporting sliding groove 16 is formed on the inner wall of the outer box 1, the other end of the limiting pressure lever 15 is located inside the supporting sliding groove 16, and the limiting pressure lever 15 can move up and down along the supporting sliding groove 16.

As shown in fig. 5, one end of the limiting pressure lever 15 penetrates through the supporting sleeve 52, the sliding limiting block 19 is located inside the sliding limiting groove 20, and the sliding limiting block 19 slides inside the sliding limiting groove 20, so that the supporting sleeve 52 can be limited, and the limiting pressure lever 15 can vertically move along the vertical sliding groove 18.

As shown in fig. 6 and 7, the upper case 27 is connected to the cable passing case 26 in a communicating manner, rubber pads are provided on the inner sides of the arc-shaped holding plates 31, can prevent the cable from being damaged, one end of the first sliding rod 33 penetrates through one side of the bottom end of the clamping moving plate 30, a sliding groove is arranged inside the first sliding rod 33, one end of the first fixing rod 32 is positioned inside the sliding groove, a first spring 34 is arranged inside the sliding groove, the reset effect can be played when the ring main unit moves back to the inside of the outer box body 1 for installation, the clamping and fixing effect on the passed cable is convenient to play again, the threaded sleeve 39 is pushed to rotate in a threaded fit mode with the pushing threaded rod 35, the first bevel gear 38 and the second bevel gear 40 are meshed to rotate, the connecting rotating shaft 45 is located inside the connecting rotating groove 46, the rotating wheel 43 is rotatably connected with the installation box body 42, and the upper end of the vertical threaded rod 47 penetrates through the vertical threaded sleeve 48 and rotates in a threaded fit mode with the vertical threaded sleeve 48.

As shown in fig. 4 and 6, one side of the ring main unit body 6 on one side of the driving gear 28 is provided with the rack plate 59, the driving gear 28 and the rack plate 59 are meshed to rotate, the rack plate 59 can drive the driving gear 28 to rotate, the driving gear 28 can move up and down along the rack plate 59, the cable passes through the hole 51 through which the cable passes at both ends of the box 26, and the cable is convenient to pass through the inside of the hole.

As shown in fig. 10, the supporting mechanism includes a rotary connecting member 53, an upper supporting rod 54, a lower supporting rod 55 and a supporting base 56, the upper supporting rod 54 is rotatably connected to the rotary connecting member 53, a threaded end 57 is provided at a lower end of the upper supporting rod 54, a threaded mounting groove is provided at an upper end of the lower supporting rod 55, the upper supporting rod 54 is in threaded connection with the lower supporting rod 55, the lower supporting rod 55 is rotatably connected to the supporting base 56, the length of the supporting mechanism is conveniently adjusted by rotating the lower supporting rod 55, so that when the movable bottom plate 5 is pulled out of the inner part of the outer box 1, the supporting base 56 can be in contact with the ground and further can support the movable bottom plate 5.

A use method of a splicing ring main unit convenient to overhaul comprises the following use steps:

a: when the cable-passing box is used, the cable-passing box 26 which is passed through by the cable can be pressed by the arranged limiting pressure rod 15 to be positioned at the relative lower position of the wiring ports of the two ring main units, so that the cable-passing box 26 drives the reserved cable between the two ring main units to be in a state close to being straightened, namely, the reserved cable is in a U-shaped placement state, the cable can be limited, the reserved cable is prevented from being placed in a mess and easily wound together, and the reserved cable is not convenient to pull out the ring main unit from the inside of the outer box body 1 for maintenance;

b, after the step A is finished, when the single ring main unit body 6 needs to be overhauled, the movable bottom plate 5 at the lower end of the movable bottom plate is pulled, the limiting strip plate 7 slides along the strip plate sliding groove 8, the rack 9 at the lower end of the movable bottom plate 5 is meshed with the first gear 10 to rotate while the movable bottom plate 5 is pulled, the first gear 10 and the second gear 12 rotate through transmission of a transmission belt, the vertical transmission belt 13 drives the fixed connecting sleeve 14 connected with the limiting pressure rod 15 to move upwards, the limiting pressure rod 15 drives the cable passing through the cable to pass through the box 26 to move upwards, when the movable bottom plate 5 is pulled, the reserved cable is lifted to the same horizontal height with the two groups of ring main unit wiring ports, and meanwhile, when the movable bottom plate 5 is pulled outwards, the rack plate 59 on one side of the ring main unit drives the driving gear 28 in the upper box body 27 to rotate, the sliding sleeve 24 drives the cable to pass through the box 26 and move outwards along the limiting pressure rod 15, so as to drive the set first bevel gear 38 to rotate, the set first bevel gear 38 and the second bevel gear 40 are meshed to rotate, so as to drive the push threaded sleeve 39 to rotate, the set push threaded sleeve 39 and the push threaded rod 35 are in threaded fit rotation, the push threaded rod 35 further drives the clamping moving plate 30 to move in the direction opposite to that of the clamping fixed plate 29, so that the two groups of arc-shaped clamping plates 31 which are originally in the clamping state are changed into the loosening state, the cable connected with the ring main unit is convenient to move when the ring main unit is pulled, the drive gear 28 also drives the set transmission gear 50 to rotate while rotating, so as to drive the set vertical threaded sleeve 48 to rotate in the placing groove 49, the set vertical threaded sleeve 48 and the vertical threaded rod 47 are in threaded fit rotation, so that the vertical threaded rod 47 drives the second clamping mechanism 41 which is positioned above to move upwards, therefore, two groups of second clamping mechanisms 41 which are originally in a clamping state are changed into a loosening state, the cables slide along the rotating grooves 44 on the rotating wheels 43 of the lower group, the rotating wheels 43 which are arranged singly facilitate the sliding of the cables along the second clamping mechanisms 41, the cables connected with the looped network cabinet body 6 can move along with the looped network cabinet body when the looped network cabinet body 6 is pulled, the fixedly connected cables are prevented from obstructing the movement of the looped network cabinet, and the connected cables can be prevented from being pulled to be broken when the looped network cabinet body is pulled to move;

c, after finishing the step B, after pulling out the single ring main unit body 6 to be overhauled from the inside of the installation outer box body 1, rotating the supporting mechanism in the lower end accommodating groove 58 of the movable bottom plate 5, enabling the upper supporting rod 54 and the lower supporting rod 55 to be in a vertical state, enabling the upper supporting rod 54 and the lower supporting rod 55 to rotate in a threaded fit manner by rotating the lower supporting rod 55, further enabling the lower supporting rod 55 to move downwards until the supporting base 56 is arranged to be in contact with the ground so as to support the movable bottom plate 5, pushing the ring main unit back to the inside of the installation outer box body 1 after overhauling is finished, and enabling the arranged first clamping mechanism and the second clamping mechanism 41 to clamp and fix the cables.

By adopting the technical scheme: the limiting pressure rod 15 and the cable penetrating through the box 26 are matched for use to limit the cable and prevent the cable from winding, the cable can be fixed when the ring main unit does not need to be moved, the connected reserved cable can be driven to move when the ring main unit needs to be moved, the cable is prevented from being pulled and broken, the cable can be protected, the cable penetrating through the ring main unit can be clamped and fixed by the arranged first clamping mechanism and the arranged second clamping mechanism 41, the cable penetrating through the ring main unit can be fixed by the two groups of arc-shaped clamping plates 31 of the arranged first clamping mechanism, the cable can be clamped up and down by the two groups of second clamping mechanisms 41 which are matched for clamping the cable, the cable can be further clamped and limited, when the ring main unit needs to be pulled, the rotating wheel 43 is convenient for the cable to slide along the rotating groove 44, the cable is favorable for moving, the condition that the connecting cable between the ring main units is broken by pulling is further prevented, the reserved cable connected with the ring main units can be protected, the moving bottom plate 5 can be pulled out of the ring main units to install the inside of the outer box body 1, and the maintenance work is convenient.

It should be noted that, the invention is a splicing ring main unit convenient for maintenance and a using method thereof, when in use, the cable passing box 26 through which the cable passes can be pressed by the arranged limiting pressure lever 15 to be positioned at the relative lower position of the wiring ports of the two groups of ring main units, so that the cable passing box 26 drives the reserved cable between the two groups of ring main units to be in a close and stretched state, namely, the reserved cable is in a U-shaped placing state, and further, the cable can be limited, the reserved cable is prevented from being placed in disorder and is easy to be wound together, the reserved cable is wound together, the ring main unit is not convenient to pull out from the inside of the outer box 1 for maintenance, when a single ring main unit body 6 needs to be maintained, the limiting strip plate 7 slides along the strip plate sliding groove 8 by pulling the moving bottom plate 5 at the lower end, when the moving bottom plate 5 is pulled, the rack 9 at the lower end of the movable bottom plate 5 is meshed with the first gear 10 to rotate, the first gear 10 and the second gear 12 rotate through transmission of a transmission belt, so that the vertical transmission belt 13 drives the fixed connecting sleeve 14 which is connected with the limiting pressure rod 15 to move upwards, and further the limiting pressure rod 15 drives the cable which passes through the cable to pass through the box 26 to move upwards, so that when the movable bottom plate 5 is pulled, the reserved cable is lifted to the same horizontal height with the two groups of ring main unit wiring ports, and simultaneously when the movable bottom plate 5 is pulled outwards, the rack plate 59 at one side of the ring main unit drives the driving gear 28 inside the upper box body 27 to rotate, so that the sliding sleeve 24 drives the cable to pass through the box 26 to move outwards along the limiting pressure rod 15, and further can drive the arranged first bevel gear 38 to rotate, the arranged first bevel gear 38 is meshed with the second bevel gear 40 to rotate, and further drives the pushing threaded sleeve 39 to rotate, the arranged pushing threaded sleeve 39 and the pushing threaded rod 35 are in threaded fit rotation, further the pushing threaded rod 35 drives the clamping moving plate 30 to move in the direction opposite to the clamping fixed plate 29, so that two groups of arc-shaped clamping plates 31 which are originally in a clamping state are in a loosening state, cables which are connected with the ring main unit are convenient to move when the ring main unit is pulled, the driving gear 28 rotates and also drives the arranged transmission gear 50 to rotate, further the arranged vertical threaded sleeve 48 is driven to rotate in the placing groove 49, the arranged vertical threaded sleeve 48 and the vertical threaded rod 47 are in threaded fit rotation, so that the vertical threaded rod 47 drives the second clamping mechanism 41 which is positioned above the vertical threaded sleeve to move upwards, further the two groups of second clamping mechanisms 41 which are originally in a clamping state are driven to rotate in a loosening state, and further the cables slide along the rotating groove 44 on the rotating wheel 43 of the lower group, the rotating wheel 43 arranged singly facilitates the sliding of the cable along the second clamping mechanism 41, so that when the ring main unit body 6 is pulled, the cable connected with the rotating wheel can move along with the cable, thereby preventing the fixedly connected cable from obstructing the movement of the ring main unit, and also preventing the cable connected with the ring main unit from being pulled to be broken when the ring main unit is pulled to move, when the single ring main unit body 6 to be maintained is pulled out of the inner part of the outer box body 1, the supporting mechanism in the accommodating groove 58 at the lower end of the movable bottom plate 5 is rotated, so that the upper supporting rod 54 and the lower supporting rod 55 are in a vertical state, and the upper supporting rod 54 and the lower supporting rod 55 are rotated in a threaded fit manner by rotating the lower supporting rod 55, so that the lower supporting rod 55 moves downwards until the supporting base 56 arranged can be contacted with the ground and further can play a supporting role in supporting the movable bottom plate 5, and after the maintenance is completed, the ring main unit is pushed back to the inner part of the outer box body 1, the arranged first clamping mechanism and the second clamping mechanism 41 play a role in clamping and fixing the cable.

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. The utility model provides a concatenation formula looped netowrk cabinet convenient to overhaul, includes outer box (1) of installation, its characterized in that: the ring main unit is characterized in that a plurality of groups of movable bottom plates (5) are arranged at the bottom inside the outer installation box body (1), ring main unit bodies (6) are installed at the upper ends of the movable bottom plates (5), racks (9) are arranged at the lower ends of the movable bottom plates (5), a plurality of groups of first gears (10) are arranged at the bottom inside the outer installation box body (1), the first gears (10) are connected through a transverse transmission belt (11), a plurality of groups of second gears (12) are arranged at the rear inside the outer installation box body (1), the second gears (12) are connected through a vertical transmission belt (13), a plurality of groups of fixed connecting sleeves (14) are arranged on the vertical transmission belt (13), limiting outer box pressing rods (15) are connected on the fixed connecting sleeves (14), vertical supporting plates (17) are arranged inside the outer installation box body (1), one ends of the limiting pressing rods (15) penetrate through the vertical supporting plates (17), the limiting compression bar (15) is further provided with a sliding sleeve (24), the sliding sleeve (24) is connected with an upper box body (27) through a first connecting rod (25), the lower end of the upper box body (27) is provided with a cable passing box (26), the lower end face of the movable bottom plate (5) is provided with an accommodating groove (58), and a supporting mechanism is arranged inside the accommodating groove (58);

a plurality of groups of vertical sliding grooves (18) are formed in the vertical supporting plate (17), a supporting sleeve (52) is arranged in the vertical sliding groove (18), sliding limiting blocks (19) are connected to two sides of the supporting sleeve (52), sliding limiting grooves (20) are formed in two sides of the vertical supporting plate (17), a reset supporting plate (21) is connected to the lower end of the supporting sleeve (52), a reset connecting block (22) is connected to the lower end of the reset supporting plate (21), a reset spring (23) is arranged at the bottom end of the vertical sliding groove (18), and the reset spring (23) is connected with the reset connecting block (22);

wherein, the inside that the cable passed case (26) is provided with first fixture, first fixture includes centre gripping fixed plate (29), centre gripping movable plate (30), arc grip block (31), one side of centre gripping fixed plate (29) is connected with arc grip block (31) through the second connecting rod, one side of centre gripping movable plate (30) is connected with arc grip block (31) through the third connecting rod, one side of centre gripping fixed plate (29) is connected with first dead lever (32), one end of first dead lever (32) is provided with first slide bar (33), the opposite side of centre gripping movable plate (30) is connected with promotion threaded rod (35), one side of promotion threaded rod (35) is provided with transmission case (36), the inside bottom of going up box (27) is provided with drive gear (28), one side tip of drive gear (28) is located the outside of last box (27), two groups of symmetrically arranged second clamping mechanisms (41) are arranged in the cable passing box (26) close to the first clamping mechanisms, the second clamping mechanism (41) comprises a mounting box body (42) and a rotating wheel (43), the two sides of the mounting box body (42) are provided with connecting rotating grooves (46), the two sides of the rotating wheel (43) are connected with connecting rotating shafts (45), the outer end of the rotating wheel (43) is provided with a rotating groove (44), the second clamping mechanism (41) positioned on the upper group is connected with a vertical threaded rod (47), the upper end of the cable passing box (26) is provided with a placing groove (49), a vertical thread sleeve (48) is arranged in the placing groove (49), a transmission gear (50) is arranged at the outer end part of the vertical threaded sleeve (48), and the transmission gear (50) is meshed with the driving gear (28) to rotate;

the transmission case (36) is internally provided with a first bevel gear (38) and a second bevel gear (40), the second bevel gear (40) is internally provided with a pushing threaded sleeve (39), one end of the pushing threaded rod (35) penetrates through the pushing threaded sleeve (39), the upper end of the first bevel gear (38) is connected with a first rotating shaft (37), and the first rotating shaft (37) is connected with the driving gear (28).

2. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: the upper end of installation outer box (1) is provided with box roof (2), multiunit louvre (3) have all been seted up to the both sides of installation outer box (1), outer chamber door (4) are installed to the front end of installation outer box (1), the lower extreme that removes bottom plate (5) all is equipped with slat sliding tray (8), the inside bottom of installation outer box (1) is provided with multiunit and spacing slat (7) of slat sliding tray (8) matched with.

3. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: the rack (9) groove matched with the rack (9) is formed in the bottom end of the inner portion of the outer installation box body (1), the rack (9) is located in the rack (9) groove, the first gear (10) is meshed with the rack (9) to rotate, and the first gear (10) is in transmission connection with the second gear (12) through a transmission belt.

4. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: the inner wall of the outer box body (1) is provided with a supporting sliding groove (16), and the other end of the limiting pressing rod (15) is located inside the supporting sliding groove (16).

5. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: one end of the limiting compression rod (15) penetrates through the support sleeve (52), and the sliding limiting block (19) is located inside the sliding limiting groove (20).

6. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: go up box (27) and cable and pass case (26) and communicate with each other and be connected, the inboard of arc grip block (31) all is provided with the rubber pad, the bottom one side of centre gripping movable plate (30) is run through to the one end of first slide bar (33), the sliding tray has been seted up to the inside of first slide bar (33), the one end of first dead lever (32) is located the inside of sliding tray, the inside of sliding tray is provided with first spring (34).

7. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: the push threaded sleeve (39) and the push threaded rod (35) are in threaded fit rotation, the first bevel gear (38) and the second bevel gear (40) are in meshed rotation, the connecting rotating shaft (45) is located inside the connecting rotating groove (46), the rotating wheel (43) is in rotating connection with the installation box body (42), and the upper end of the vertical threaded rod (47) penetrates through the vertical threaded sleeve (48) and rotates in threaded fit with the vertical threaded sleeve (48).

8. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: be located one side of drive gear (28) one side looped netowrk cabinet body (6) is provided with rack plate (59), drive gear (28) and rack plate (59) meshing rotate, the cable has all been seted up the cable and has passed hole (51) at both ends around passing case (26).

9. The splicing type ring main unit convenient to overhaul as claimed in claim 1, wherein: the supporting mechanism comprises a rotating connecting piece (53), an upper supporting rod (54), a lower supporting rod (55) and a supporting base (56), the upper supporting rod (54) is rotatably connected with the rotating connecting piece (53), the lower end of the upper supporting rod (54) is provided with a threaded end (57), the upper end of the lower supporting rod (55) is provided with a threaded mounting groove, the upper supporting rod (54) is in threaded connection with the lower supporting rod (55), and the lower supporting rod (55) is rotatably connected with the supporting base (56).

10. The use method of the splicing type ring main unit convenient to overhaul according to any one of claims 1 to 9, wherein the use method comprises the following steps: the using steps are as follows:

a: when the cable-passing box is used, the cable-passing box (26) which is penetrated by the cable can be pressed to be positioned at the relative lower position of the wiring ports of the two ring main units through the arranged limiting pressure rod (15), so that the cable-passing box (26) drives the reserved cable between the two ring main units to be in a state close to a stretched state, namely the reserved cable is in a U-shaped placement state, the cable can be limited, the reserved cable is prevented from being placed in a messy state and easily wound together, and the ring main units are not convenient to pull out from the inside of the outer box body (1) for maintenance due to the winding of the reserved cable;

b, after the step A is finished, when a single ring main unit body (6) needs to be overhauled, the lower end of the movable bottom plate (5) is pulled, the limiting strip plate (7) slides along the strip plate sliding groove (8), when the movable bottom plate (5) is pulled, the rack (9) at the lower end of the movable bottom plate (5) is meshed with the first gear (10) to rotate, the first gear (10) and the second gear (12) rotate through transmission of a transmission belt, the vertical transmission belt (13) drives the fixed connecting sleeve (14) connected with the limiting pressure lever (15) to move upwards, the limiting pressure lever (15) drives the cable passing through the cable to pass through the box (26) to move upwards, when the movable bottom plate (5) is pulled, the reserved cable rises to the same horizontal height as the two groups of ring main unit wiring ports, and when the movable bottom plate (5) is pulled outwards, the rack plate (59) at one side of the ring main unit drives the driving gear (28) inside the upper box body (27) to rotate, the sliding sleeve (24) drives the cable to pass through the box (26) and move outwards along the limiting pressure rod (15), so that the sliding sleeve can also drive the arranged first bevel gear (38) to rotate, the arranged first bevel gear (38) and the second bevel gear (40) are meshed to rotate, and then the pushing threaded sleeve (39) is driven to rotate, the arranged pushing threaded sleeve (39) and the pushing threaded rod (35) are in threaded fit rotation, the pushing threaded rod (35) further drives the clamping moving plate (30) to move in the direction opposite to that of the clamping fixing plate (29), so that the two groups of arc-shaped clamping plates (31) which are originally in the clamping state are changed into the loosening state, the cable connected with the ring main unit is convenient to move when the ring main unit is pulled, the driving gear (28) can drive the arranged transmission gear (50) to rotate while rotating, the vertical threaded sleeve (48) is driven to rotate inside the placing groove (49), the vertical threaded sleeve (48) and the vertical threaded rod (47) are in threaded fit rotation, the vertical threaded rod (47) drives the second clamping mechanism (41) located above to move upwards, two groups of second clamping mechanisms (41) which are originally in a clamping state are changed into a loosening state, the cable slides along a rotating groove (44) in a rotating wheel (43) of a lower group, the rotating wheel (43) is arranged singly, the cable can slide along the second clamping mechanism (41) conveniently, when the ring main unit body (6) is pulled, the cable connected with the ring main unit can also move along the ring main unit, the fixedly connected cable is prevented from blocking the ring main unit from moving, and the situation that the connected cable is pulled to be broken when the ring main unit is pulled to move can be prevented;

c, after the step B is completed, after a single ring main unit body (6) needing to be overhauled is pulled out of the interior of the outer box body (1), the supporting mechanism in the lower end accommodating groove (58) of the movable bottom plate (5) is rotated, the upper supporting rod (54) and the lower supporting rod (55) are in a vertical state, the upper supporting rod (54) and the lower supporting rod (55) rotate in a threaded matching mode through rotating the arranged lower supporting rod (55), the lower supporting rod (55) moves downwards until the arranged supporting base (56) can be in contact with the ground to further play a supporting role on the movable bottom plate (5), the ring main unit is pushed back to the interior of the outer box body (1) after overhauling is completed, and the arranged first clamping mechanism and the second clamping mechanism (41) play a role in clamping and fixing for cables.