CN113301750A - Be applied to terminal transfer box in distribution network automation field - Google Patents
Be applied to terminal transfer box in distribution network automation field Download PDFInfo
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- CN113301750A CN113301750A CN202110595055.1A CN202110595055A CN113301750A CN 113301750 A CN113301750 A CN 113301750A CN 202110595055 A CN202110595055 A CN 202110595055A CN 113301750 A CN113301750 A CN 113301750A
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- rotating shaft
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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Abstract
The invention discloses a terminal transfer box applied to the field of distribution network automation in the technical field of distribution network automation, which comprises an installation box, wherein the terminal transfer box is fixedly arranged in the installation box, a protective door is hinged on the front wall of the installation box through two hinges, a door closing rod is arranged at the top of the installation box and is positioned at one side close to the rotating center of the protective door, the initial position of the bottom surface of the door closing rod is positioned above the top of the protective door, and the door closing rod is connected with a first rotating shaft and a second rotating shaft in a sliding manner in the vertical direction; the invention can automatically fix the protective door when encountering strong wind in the maintenance process, and can ensure that the maintenance work can be better carried out by workers.
Description
Technical Field
The invention relates to the technical field of distribution network automation, in particular to a terminal transfer box applied to the field of distribution network automation.
Background
With the arrival of the 5G era, the operation speed of the network is greatly improved, the load of the power grid is also greatly increased, in the power distribution network, an automatic master station system of the distribution network at the early stage is not established, and operation and maintenance personnel acquire the on-off states of the on-off switch on the power grid in the original line patrol mode or the GSM (global system for mobile communications) short message mode on the traditional controller.
The invention discloses an invention patent in the technical field of distribution network automation in the prior art, wherein the invention patent with the application number of CN202010500033.8 discloses a universal transfer box for a distribution network automation terminal on a column, which comprises a rectangular box body and the distribution network automation terminal, wherein the distribution network automation terminal is installed in the rectangular box body, the rectangular box body is provided with a heat dissipation structure, a secondary cable socket is inserted in an aerial plug of the distribution network automation terminal, a circuit connection end of the distribution network automation terminal is provided with a control loop converter, the distribution network automation terminal is placed in the rectangular box body, the top end of the distribution network automation terminal is positioned between a pair of first top plates, and the left side and the right side of the lower end of the distribution network automation terminal are lapped with a second top plate.
The terminal transfer box of prior art installs rethread support mounting on the post in the rectangular box, the terminal transfer box needs regular maintenance and also needs the maintenance when the electric wire netting breaks down, need the staff to climb to the post then can maintain the terminal transfer box when maintaining and maintaining, if scrape the strong wind suddenly in the maintenance process can lead to the door body to shake in disorder everywhere, can seriously influence the staff to the maintenance of terminal transfer box, and the door that shakes in disorder everywhere can lead to the fact the injury to the staff, because staff's operating space is less on the post, if go the fixed door body at the distraction when meeting with the strong wind and need the staff to remove by a wide margin, can greatly increased staff's danger coefficient.
Based on the technical scheme, the invention designs the terminal transfer box applied to the field of distribution network automation so as to solve the problem.
Disclosure of Invention
The invention aims to provide a terminal transfer box applied to the field of distribution network automation, and aims to solve the problems that the terminal transfer box in the prior art provided in the background art is arranged in a rectangular box body and is arranged on a column through a support, the terminal transfer box needs to be maintained regularly and needs to be maintained when a power grid fails, a worker needs to climb the column during maintenance and repair to maintain the terminal transfer box, the door body can be shaken around due to sudden wind blowing in the maintenance process, the maintenance of the terminal transfer box by the worker can be seriously influenced, the door body which is shaken around can injure the worker, and the danger coefficient of the worker can be greatly increased due to small operation space of the worker on the column if the worker needs to move to a great extent when the worker is distracted to fix the door body in case of strong wind.
In order to achieve the purpose, the invention provides the following technical scheme: a terminal transfer box applied to the field of distribution network automation comprises an installation box, wherein the terminal transfer box is fixedly arranged inside the installation box, a protective door is hinged to the front wall of the installation box through two hinges, a door closing rod is arranged at the top of the installation box and is positioned on one side close to the rotating center of the protective door, the initial position of the bottom surface of the door closing rod is positioned above the top of the protective door, the door closing rod is connected with a first rotating shaft and a second rotating shaft in a sliding mode in the vertical direction, the door closing rod can rotate by taking the first rotating shaft as the rotating center, a first sliding groove is formed in the top of the installation box and comprises an arc-shaped sliding groove and a transverse sliding groove, the first rotating shaft and the transverse sliding groove are connected in a sliding mode in the left-right direction, the second rotating shaft is positioned in the arc-shaped sliding groove, and the second rotating shaft can rotate in the arc-shaped sliding groove by taking the first rotating shaft as the rotating center, the first rotating shaft is sleeved with a first spring for resetting the door closing rod, the mounting box is provided with a driving mechanism, and the driving mechanism is used for driving the door closing rod to automatically move and fix the protective door;
the driving mechanism comprises a driving fan and an arc-shaped push plate, the driving fan is automatically connected to the outer side of the top of the installation box through a one-way bearing, the rotating shaft of the driving fan extends into the installation box, a first gear located in the installation box is fixedly connected to the rotating shaft of the driving fan, a first rack rod is meshed to the side edge of the first gear, the first rack rod is connected with a connecting rod in a sliding mode in the left-right direction, the left side wall of the connecting rod is connected to the vertical direction of the left inner wall of the installation box in a sliding mode, a first air spring used for resetting of the connecting rod is fixedly connected to the side wall of the connecting rod, a second rack rod is connected to the left side wall of the first rack rod in a sliding mode in the vertical direction, the second rack rod is connected to the left-right direction of the inner wall of the installation box in a sliding mode, and a second air spring used for resetting of the second rack rod is fixedly connected to the side wall of the second rack rod, a second gear is meshed with the front side of the second rack rod, the second gear is fixedly connected to the first rotating shaft, the arc-shaped push plate is fixedly connected to the top of the installation box and positioned on the left side of the door closing rod, and an inclined surface which inclines downwards is formed in the arc-shaped push plate and is used for acting the door closing rod to slide downwards;
when the terminal adapter box is in operation, the terminal adapter box in the prior art is arranged in a rectangular box body and then arranged on a column through a support, the terminal adapter box needs to be maintained regularly and also needs to be maintained when a power grid fails, workers need to climb to the column and then can maintain the terminal adapter box during maintenance and repair, if strong wind is suddenly blown up in the maintenance process, a door body can be swung around, the maintenance of the terminal adapter box by the workers can be seriously influenced, and the swinging door body can hurt the workers, because the operation space of the workers on the column is small, if the workers need to move greatly after being distracted to fix the door body when the strong wind is encountered, the danger coefficient of the workers can be greatly increased, the technical scheme solves the problems, and has the following specific scheme that the terminal adapter box is fixed in the installation box and then the installation box is fixed on the column, when the terminal adapter box needs to be maintained or repaired, a worker climbs onto the column and then opens the protective door to maintain or repair the terminal adapter box, the worker can not fix the protective door in the process, when strong wind is suddenly scraped in the maintenance or repair process, the wind power can drive the driving fan to rotate, the driving fan can drive the first gear to rotate, the first gear can drive the first rack rod to slide rightwards, the first rack rod can slide rightwards on the connecting rod, simultaneously the first rack rod can drive the second rack rod to move rightwards together to enable the second rack rod to slide rightwards on the inner wall of the installation box, the second rack rod can stretch the second air spring, the second rack rod can drive the second gear to rotate clockwise, the second gear can drive the first rotating shaft to rotate together, the first rotating shaft can drive the first rotating shaft of the door closing rod to rotate as a rotating center, the door closing rod can drive the second rotating shaft to rotate in the arc-shaped sliding groove, the door closing rod can contact with an inclined surface on the arc-shaped push plate while rotating, the door closing rod can slide downwards on the first rotating shaft and the second rotating shaft under the action of the inclined surface, the bottom surface of the door closing rod moves to the position below the top surface of the protective door, the door closing rod can drive the protective door to rotate together after the door closing rod rotates to contact with the side wall of the protective door, the door closing rod rotates at the moment after the second rotating shaft rotates to the transverse sliding groove, the side wall of the door closing rod is parallel to the left side wall of the installation box, the second rotating shaft is limited by the transverse sliding groove and cannot rotate, the first rotating shaft cannot drive the door closing rod to rotate, the second rack rod continues to move and cannot drive the second rack to rotate, the second rack rod can drive the second rack to slide rightwards through the rack, and the second rack drives the first rotating shaft to slide rightwards in the transverse sliding groove, the first rotating shaft drives the door closing rod to move rightwards, the door closing rod moves rightwards to drive the protective door to rotate until the protective door rotates to enable the side wall of the protective door to be attached to the side wall of the installation box, the protective door is fixed to the position attached to the outer wall of the left side of the installation box by the door closing rod, then a worker can accelerate the speed to maintain the terminal switching box, if wind does not stop after the maintenance is finished, the worker can manually drag the connecting rod downwards to enable the connecting rod to drive the first rack rod to slide downwards to the position disengaged from the first gear, then under the action of the elastic force of the first spring of the second air spring, the second rack rod, the second gear and the door closing rod can automatically return to the initial positions to enable the door closing rod not to fix the protective door any more, and then the worker can manually close the protective door to finish the maintenance work, through the arrangement of the door closing rod, when the worker maintains the terminal switching box with strong wind, can be through the automatic position of fixing the guard gate with the installation box lateral wall laminating of actuating mechanism's effect, make the guard gate be fixed automatically when meeting with strong wind, not only can avoid the guard gate to shake in disorder to injure the staff, can also make the focus of installation box can be in the extreme low position, can reduce the possibility that the installation box rocked greatly, can make the staff can be better when maintaining carry out work, do not need the staff to fix the guard gate in strong wind weather is manual, can not need the staff to move by a wide margin when strong wind, can reduce staff danger coefficient greatly, security when can greatly increased maintains.
As a further scheme of the invention, a mounting groove is formed in the bottom of the mounting box, a first counterweight plate close to the rear side wall of the mounting box is slidably connected in the mounting groove in the front-back direction, a second counterweight plate close to the right side wall of the mounting box is slidably connected in the left-right direction of the mounting groove, a first push rod slidably connected in the mounting groove is fixedly connected to the left side wall of the second counterweight plate, a first connecting rod is rotatably connected to the side wall of the first push rod, one end of the first connecting rod close to the first counterweight plate is rotatably connected with the first counterweight plate, the left end of the first push rod extends out of the left side wall of the mounting box, and a third gas spring for resetting the first push rod is fixedly connected to the outer wall of the first push rod; when the installation box is in work, the protective door is driven by the door closing rod to rotate to be in contact with the first push rod, the protective door is driven to continuously rotate to drive the first push rod to slide rightwards in the installation groove, the first push rod can drive the second counterweight plate to move rightwards and extend out of the installation box, the first push rod can drive the second counterweight plate to move backwards and extend out of the installation box through the first connecting rod, the gravity center of the installation box can be greatly reduced when the first counterweight plate and the second counterweight plate extend out of the installation box, and the first counterweight plate and the second counterweight plate can return to the installation groove under the action of the third air spring after the protective door is closed. Can make the installation box can be more stable, and can reduce the possibility that the installation box rocked greatly, can avoid the installation box to rock and increase the maintenance degree of difficulty, install first weight plate and second weight plate inside the installation box simultaneously, can reduce the volume of installation box greatly, can reduce the degree of difficulty of installation box greatly.
As a further scheme of the invention, the door closing rod is connected with a top rod in a sliding manner in the front-back direction, and the top rod is sleeved with a buffer spring; during operation, through ejector pin and buffer spring's setting, can let the ejector pin replace and close a pole and contact with the guard gate, replace the rigidity power through the elastic force, can reduce the injury of closing the pole to the guard gate.
As a further scheme of the invention, a second chute is formed in the left side wall of the installation box, the second chute is connected with a buffer plate in a sliding manner in the left-right direction, and a second spring positioned in the second chute is fixedly connected to the side wall of the buffer plate; during operation, through the setting of buffer board and second spring, can make the guard gate reduce striking dynamics greatly when taking place the striking with install bin left side outer wall, can reduce the injury to the guard gate.
As a further scheme of the invention, a key sliding groove is formed in the first rotating shaft, a sliding key is arranged in the door closing rod, and the first rotating shaft and the door closing rod are in sliding connection with the key sliding groove in the vertical direction through the sliding key; during operation, through the setting of key spout and sliding key, can make first pivot and door closing rod realize the gliding from top to bottom when, make first pivot can drive and close the door rod and rotate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the door closing rod, when a worker maintains the terminal transfer box and encounters strong wind, the protective door can be automatically fixed to the position attached to the side wall of the installation box through the action of the driving mechanism, so that the protective door is automatically fixed when encountering strong wind, the worker can be prevented from being accidentally shaken and injured by the protective door, the gravity center of the installation box can be positioned at the lowest position, the possibility of shaking of the installation box can be greatly reduced, the worker can better work during maintenance, the worker does not need to manually fix the protective door in the strong wind, the worker does not need to move greatly in the strong wind, the danger coefficient of the worker can be greatly reduced, and the safety during maintenance can be greatly improved.
2. According to the invention, through the arrangement of the first counterweight plate and the second counterweight plate, the door closing rod can drive the protective door to rotate to be attached to the side wall of the installation box, the first push rod is driven to move rightwards, and the first counterweight plate and the second counterweight plate are driven by the first push rod to extend into the installation box, so that the gravity center of the installation box can be greatly reduced, the installation box can be more stable, the possibility of shaking of the installation box can be greatly reduced, the increase of maintenance difficulty caused by shaking of the installation box can be avoided, meanwhile, the first counterweight plate and the second counterweight plate are installed in the installation box, the volume of the installation box can be greatly reduced, and the difficulty of installing the installation box can be greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a front view of the general construction of the present invention (with the guard door hidden);
FIG. 4 is a schematic cross-sectional view of a portion of the present invention;
FIG. 5 is a schematic cross-sectional view of the structure inside the mounting groove of the present invention;
FIG. 6 is a schematic sectional view of the structure of the mounting box and the buffer plate according to the present invention;
fig. 7 is an exploded view of the door closing rod and the first rotating shaft structure according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the installation box 1, the terminal transfer box 2, the protective door 3, the door closing rod 4, the first rotating shaft 5, the second rotating shaft 6, the first sliding groove 7, the arc-shaped sliding groove 8, the transverse sliding groove 9, the first spring 10, the driving fan 11, the first gear 12, the first rack rod 13, the connecting rod 14, the first air spring 15, the second rack rod 16, the second air spring 17, the second gear 18, the arc-shaped push plate 19, the inclined plane 20, the installation groove 21, the first counterweight plate 22, the second counterweight plate 23, the first push rod 24, the first connecting rod 25, the third air spring 26, the ejector rod 27, the buffer spring 28, the second sliding groove 29, the buffer plate 30, the second spring 31, the key sliding groove 32 and the sliding key 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a terminal transfer box applied to the field of distribution network automation comprises an installation box 1, a terminal transfer box 2 is fixedly arranged inside the installation box 1, a protective door 3 is hinged on the front wall of the installation box 1 through two hinges, a door closing rod 4 is arranged at the top of the installation box 1, the door closing rod 4 is positioned on one side close to the rotating center of the protective door 3, the initial position of the bottom surface of the door closing rod 4 is positioned above the top of the protective door 3, the door closing rod 4 is connected with a first rotating shaft 5 and a second rotating shaft 6 in a sliding mode in the vertical direction, the door closing rod 4 can rotate by taking the first rotating shaft 5 as the rotating center, a first sliding groove 7 is formed in the top of the installation box 1, the first sliding groove 7 comprises an arc-shaped sliding groove 8 and a transverse sliding groove 9, the first rotating shaft 5 is connected with the transverse sliding groove 9 in the left-right direction, the second rotating shaft 6 is positioned in the arc-shaped sliding groove 8, and the second rotating shaft 6 can rotate in the arc-shaped sliding groove 8 by taking the first rotating shaft 5 as the rotating center, the first rotating shaft 5 is sleeved with a first spring 10 for resetting the door closing rod 4, the installation box 1 is provided with a driving mechanism, and the driving mechanism is used for driving the door closing rod 4 to automatically move and fix the protective door 3;
the driving mechanism comprises a driving fan 11 and an arc-shaped push plate 19, the driving fan 11 is automatically connected to the outer side of the top of the installation box 1 through a one-way bearing, the rotating shaft of the driving fan 11 extends into the installation box 1, a first gear 12 positioned in the installation box 1 is fixedly connected to the rotating shaft of the driving fan 11, a first rack bar 13 is meshed with the side edge of the first gear 12, a connecting rod 14 is slidably connected to the first rack bar 13 in the left-right direction, the left side wall of the connecting rod 14 is slidably connected to the vertical direction of the left inner wall of the installation box 1, a first air spring 15 for resetting the connecting rod 14 is fixedly connected to the side wall of the connecting rod 14, a second rack bar 16 is slidably connected to the left side wall of the first rack bar 13 in the vertical direction, the second rack bar 16 is slidably connected to the left-right direction of the inner wall of the installation box 1, and a second air spring 17 for resetting the second rack bar 16 is fixedly connected to the side wall of the second rack bar 16, a second gear 18 is meshed with the front side of the second rack rod 16, the second gear 18 is fixedly connected to the first rotating shaft 5, the arc-shaped push plate 19 is fixedly connected to the top of the installation box 1, the arc-shaped push plate 19 is positioned on the left side of the door closing rod 4, an inclined surface 20 which inclines downwards is formed in the arc-shaped push plate 19, and the inclined surface 20 is used for acting on the door closing rod 4 to slide downwards;
when the terminal transfer box 2 is installed in a rectangular box body and then installed on a column through a support, the terminal transfer box 2 needs to be maintained regularly and also needs to be maintained when a power grid fails, workers climb to the column and then can maintain the terminal transfer box 2 when maintaining and maintaining are carried out, a door body can be swung around due to sudden strong wind in the maintenance process, the maintenance of the terminal transfer box 2 by the workers can be seriously influenced, the door body which is swung around can hurt the workers, the danger coefficient of the workers can be greatly increased due to small operation space of the workers on the column, if the workers need to move to a great extent when the workers are distracted to fix the door body when the strong wind is encountered, the technical scheme solves the problems, and the specific scheme is as follows, the terminal transfer box 2 is fixed in the installation box 1 when the terminal transfer box 2 is installed, then the installation box 1 is fixed on the column, when the terminal adapter box 2 needs to be maintained or repaired, a worker climbs onto the column, then the protective door 3 is opened to maintain or repair the terminal adapter box 2, the worker can not fix the protective door 3 in the process, when strong wind is suddenly blown up in the maintenance or repair process, the wind power can drive the driving fan 11 to rotate, the driving fan 11 can drive the first gear 12 to rotate, the first gear 12 can drive the first rack rod 13 to slide rightwards, the first rack rod 13 can slide rightwards on the connecting rod 14, meanwhile, the first rack rod 13 can drive the second rack rod 16 to move rightwards together to enable the second rack rod 16 to slide rightwards on the inner wall of the installation box 1, the second rack rod 16 can stretch the second air spring 17, the second rack rod 16 can drive the second gear 18 to rotate clockwise, the second gear 18 can drive the first rotating shaft 5 to move rightwards together, the first rotating shaft 5 can drive the door closing rod 4, the first rotating shaft 5 rotates as a rotating center, the door closing rod 4 can drive the second rotating shaft 6 to rotate in the arc-shaped sliding groove 8, the door closing rod 4 can contact with the inclined plane 20 on the arc-shaped push plate 19 while rotating, the door closing rod 4 can slide downwards on the first rotating shaft 5 and the second rotating shaft 6 under the action of the inclined plane 20, the bottom surface of the door closing rod 4 is moved to the position below the top surface of the protective door 3, the door closing rod 4 can drive the protective door 3 to rotate together after the door closing rod 4 rotates to be in contact with the side wall of the protective door 3, the door closing rod 4 rotates 90 degrees after the second rotating shaft 6 rotates to the transverse sliding groove 9, the side wall of the door closing rod 4 is parallel to the left side wall of the installation box 1, the second rotating shaft 6 cannot rotate any more when being limited by the transverse sliding groove 9, the first rotating shaft 5 cannot drive the door closing rod 4 to rotate, and the second rack rod 16 continues to move and cannot drive the second gear 18 to rotate, the second rack bar 16 drives the second gear 18 to slide rightwards through the teeth, so that the second gear 18 drives the first rotating shaft 5 to slide rightwards in the transverse sliding groove 9, the first rotating shaft 5 drives the door closing rod 4 to move rightwards, the door closing rod 4 moves rightwards to drive the protective door 3 to rotate till the protective door 3 rotates to enable the side wall of the protective door to be attached to the side wall of the installation box 1, at the moment, the protective door 3 is fixed to the position attached to the outer wall of the left side of the installation box 1 through the door closing rod 4, then a worker can accelerate the speed to maintain the terminal adapter box 2, if wind does not stop after maintenance is finished, the worker can manually drag the connecting rod 14 downwards to enable the connecting rod 14 to drive the first rack bar 13 to slide downwards to the position disengaged from the first gear 12, and then under the action of the elastic force of the first spring 10, the second rack bar 16, the second gear 18 and the door closing rod 4 automatically return to the initial positions, the door closing rod 4 does not fix the protective door 3 any more, and then a worker can manually close the protective door 3 to finish maintenance work, through the arrangement of the door closing rod 4, when the worker maintains the terminal transfer box 2 and encounters strong wind, the protective door 3 can be automatically fixed to a position attached to the side wall of the installation box 1 through the action of the driving mechanism, so that the protective door 3 is automatically fixed when encountering the strong wind, the protective door 3 can be prevented from being randomly shaken and smashing the worker, the gravity center of the installation box 1 can be positioned at the lowest position, the possibility of shaking of the installation box 1 can be greatly reduced, the worker can better work when the worker is maintaining, the worker does not need to manually fix the protective door 3 in strong wind weather, the worker can not need to greatly move in strong wind, and the danger coefficient of the worker can be greatly reduced, the safety in maintenance can be greatly increased.
As a further scheme of the present invention, a mounting groove 21 is formed at the bottom of the mounting box 1, a first counterweight plate 22 close to the rear side wall of the mounting box 1 is slidably connected in the mounting groove 21 in the front-rear direction, a second counterweight plate 23 close to the right side wall of the mounting box 1 is slidably connected in the left-right direction of the mounting groove 21, a first push rod 24 slidably connected in the mounting groove 21 is fixedly connected to the left side wall of the second counterweight plate 23, a first connecting rod 25 is rotatably connected to the side wall of the first push rod 24, one end of the first connecting rod 25 close to the first counterweight plate 22 is rotatably connected to the first counterweight plate 22, the left end of the first push rod 24 extends out of the left side wall of the mounting box 1, and a third gas spring 26 for resetting the first push rod 24 is fixedly connected to the outer wall of the first push rod 24; when the installation box is in operation, after the door closing rod 4 drives the protective door 3 to rotate to contact with the first push rod 24, the protective door 3 continues to rotate to drive the first push rod 24 to slide rightwards in the installation groove 21, the first push rod 24 drives the second weight plate 23 to move rightwards and extend out of the installation box 1, the first push rod 24 drives the second weight plate 23 to move backwards and extend out of the installation box 1 through the first connecting rod 25, the gravity center of the installation box 1 can be greatly reduced as the first weight plate 22 and the second weight plate 23 extend out of the installation box 1, the first weight plate 22 and the second weight plate 23 can return to the installation groove 21 under the action of the third air spring 26 after the protective door 3 is closed, the protective door 3 can be driven by the door closing rod 4 to rotate to be attached to the side wall of the installation box 1 through the arrangement of the first weight plate 22 and the second weight plate 23, the first push rod 24 is driven to move rightwards, and the first push rod 24 drives the first weight plate 22 and the second weight plate 23 to extend out of the installation box 1, the gravity center of the installation box 1 can be greatly reduced, the installation box 1 can be more stable, the possibility of shaking of the installation box 1 can be greatly reduced, the situation that the installation box 1 is shaken to increase the maintenance difficulty can be avoided, meanwhile, the first counterweight plate 22 and the second counterweight plate 23 are installed inside the installation box 1, the size of the installation box 1 can be greatly reduced, and the difficulty in installing the installation box 1 can be greatly reduced.
As a further scheme of the invention, the door closing rod 4 is connected with a top rod 27 in a sliding way in the front and back direction, and a buffer spring 28 is sleeved on the top rod 27; during operation, through the setting of ejector pin 27 and buffer spring 28, can let ejector pin 27 replace and close door pole 4 and guard gate 3 contact, replace the rigidity power through the elastic force, can reduce the injury of closing door pole 4 to guard gate 3.
As a further scheme of the present invention, a second sliding chute 29 is formed on a left side wall of the installation box 1, the second sliding chute 29 is connected with a buffer plate 30 in a sliding manner in the left-right direction, and a second spring 31 located inside the second sliding chute 29 is fixedly connected to a side wall of the buffer plate 30; during operation, through the setting of buffer board 30 and second spring 31, can make guard gate 3 reduce striking dynamics greatly when taking place the striking with 1 left side outer wall of install bin, can reduce the injury to guard gate 3.
As a further scheme of the invention, a key sliding groove 32 is formed on the first rotating shaft 5, a sliding key 33 is arranged in the door closing rod 4, and the first rotating shaft 5 and the door closing rod 4 are in sliding connection with the key sliding groove 32 in the vertical direction through the sliding key 33; during operation, through the arrangement of the key sliding groove 32 and the sliding key 33, the first rotating shaft 5 and the door closing rod 4 can slide up and down, and the first rotating shaft 5 can drive the door closing rod 4 to rotate.
The working principle is as follows: when the installation box 2 is fixed in the installation box 1 during operation, then the installation box 1 is fixed on a column, when the terminal adapter box 2 needs to be maintained or repaired, a worker climbs onto the column and then opens the protective door 3 to maintain or repair the terminal adapter box 2, in the process, the worker can not fix the protective door 3, when strong wind is suddenly blown up in the maintenance or repair process, the wind power can drive the driving fan 11 to rotate, the driving fan 11 can drive the first gear 12 to rotate, the first gear 12 can drive the first rack rod 13 to slide rightwards, the first rack rod 13 can slide rightwards on the connecting rod 14, meanwhile, the first rack rod 13 can drive the second rack rod 16 to move rightwards together to enable the second rack rod 16 to slide rightwards on the inner wall of the installation box 1, the second rack rod 16 can stretch the second air spring 17, the second rack rod 16 can drive the second gear 18 to rotate clockwise when moving rightwards, the second gear 18 can drive the first rotating shaft 5 to rotate together, the first rotating shaft 5 can drive the door closing rod 4 to rotate by taking the first rotating shaft 5 as a rotating center, the door closing rod 4 can drive the second rotating shaft 6 to rotate in the arc-shaped sliding groove 8, the door closing rod 4 can contact with an inclined plane 20 on the arc-shaped push plate 19 while rotating, the door closing rod 4 can slide downwards on the first rotating shaft 5 and the second rotating shaft 6 under the action of the inclined plane 20, so that the bottom surface of the door closing rod 4 moves to the position below the top surface of the protective door 3, when the door closing rod 4 rotates to contact with the side wall of the protective door 3, the door closing rod 4 can drive the protective door 3 to rotate together, when the second rotating shaft 6 rotates to the transverse sliding groove 9, the door closing rod 4 rotates 90 degrees, the side wall of the door closing rod 4 is parallel to the left side wall of the installation box 1, at the moment, the second rotating shaft 6 is limited by the transverse sliding groove 9 and can not rotate any more, the first rotating shaft 5 can not drive the door closing rod 4 to rotate, then the second rack bar 16 continues to move and can not drive the second gear 18 to rotate, the second rack bar 16 can drive the second gear 18 to slide rightwards through the teeth, so that the second gear 18 drives the first rotating shaft 5 to slide rightwards in the transverse sliding groove 9, the first rotating shaft 5 can drive the door closing rod 4 to move rightwards, the door closing rod 4 moves rightwards and can drive the protective door 3 to rotate till the protective door 3 rotates to enable the side wall of the protective door to be attached to the side wall of the installation box 1, at the moment, the protective door 3 is fixed to the position attached to the outer wall of the left side of the installation box 1 through the door closing rod 4, then a worker can accelerate the speed to maintain the terminal adapter box 2, if the wind does not stop after the maintenance is finished, the worker can manually drag the connecting rod 14 downwards to enable the connecting rod 14 to drive the first rack bar 13 to slide downwards to the position disengaged from the first gear 12, and then in the second gas spring 17, under the action of the elastic force of the first spring 10, the second rack rod 16, the second gear 18 and the door closing rod 4 automatically return to the initial position, so that the door closing rod 4 does not fix the protective door 3 any more, and then a worker can manually close the protective door 3 to finish maintenance work, through the arrangement of the door closing rod 4, when the worker maintains the terminal transfer box 2 and encounters strong wind, the protective door 3 can be automatically fixed to a position attached to the side wall of the installation box 1 through the action of the driving mechanism, so that the protective door 3 is automatically fixed when encountering strong wind, thus not only preventing the protective door 3 from shaking and hurting the worker, but also enabling the gravity center of the installation box 1 to be in the lowest position, greatly reducing the possibility of shaking of the installation box 1, enabling the worker to better work during maintenance, and not requiring the worker to manually fix the protective door 3 in strong wind weather, the safety protection device can be used for greatly reducing the danger coefficient of workers and greatly improving the safety during maintenance without greatly moving the workers in strong wind.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a be applied to terminal keysets in distribution network automation field, includes install bin (1), the inside of install bin (1) is fixed and is provided with terminal keysets (2), it has guard gate (3), its characterized in that to articulate through two hinges on the antetheca of install bin (1): the top of the installation box (1) is provided with a door closing rod (4), the door closing rod (4) is located near one side of a rotation center of the protective door (3), the bottom surface initial position of the door closing rod (4) is located above the top of the protective door (3), the door closing rod (4) is connected with a first rotating shaft (5) and a second rotating shaft (6) in a sliding mode in the vertical direction, the door closing rod (4) can rotate by taking the first rotating shaft (5) as the rotation center, the top of the installation box (1) is provided with a first sliding chute (7), the first sliding chute (7) comprises an arc sliding chute (8) and a transverse sliding chute (9), the first rotating shaft (5) is connected with the transverse sliding chute (9) in a sliding mode in the left-right direction, the second rotating shaft (6) is located in the arc sliding chute (8), and the second rotating shaft (6) can rotate in the arc sliding chute (8) by taking the first rotating shaft (5) as the rotation center, the automatic door closing device is characterized in that a first spring (10) used for resetting the door closing rod (4) is sleeved on the first rotating shaft (5), a driving mechanism is arranged on the installation box (1), and the driving mechanism is used for driving the door closing rod (4) to automatically move to fix the protective door (3).
2. The terminal junction box applied to the field of distribution network automation according to claim 1, characterized in that: the driving mechanism comprises a driving fan (11) and an arc-shaped push plate (19), the driving fan (11) is automatically connected to the outer side of the top of the installation box (1) through an one-way bearing, the rotating shaft of the driving fan (11) extends into the installation box (1), a first gear (12) which is located in the installation box (1) is fixedly connected to the rotating shaft of the driving fan (11), a first rack rod (13) is meshed to the side edge of the first gear (12), a connecting rod (14) is connected to the first rack rod (13) in the left-right direction in a sliding mode, the left side wall of the connecting rod (14) is connected to the inner wall of the left side of the installation box (1) in a sliding mode, a first air spring (15) used for resetting of the connecting rod (14) is fixedly connected to the side wall of the connecting rod (14), and a second rack rod (16) is connected to the left side wall of the first rack rod (13) in the vertical direction in a sliding mode, second rack bar (16) sliding connection is in the right-left direction of installing bin (1) inner wall, fixedly connected with is used for its second air spring (17) that resets on the lateral wall of second rack bar (16), the meshing of the front side of second rack bar (16) has second gear (18), second gear (18) fixed connection is on first pivot (5), arc push pedal (19) fixed connection is at the top of installing bin (1), and arc push pedal (19) are located the left side of closing door pole (4), slant decurrent inclined plane (20) have been seted up on arc push pedal (19), inclined plane (20) are used for acting on closing door pole (4) lapse.
3. The terminal junction box applied to the field of distribution network automation according to claim 1, characterized in that: mounting groove (21) have been seted up to the bottom of install bin (1), sliding connection has first weight plate (22) that is close to install bin (1) rear side wall on the inherent fore-and-aft direction of mounting groove (21), sliding connection has second weight plate (23) that is close to install bin (1) right side wall on the left and right sides direction of mounting groove (21), first push rod (24) of fixedly connected with on the left side wall of second weight plate (23), it is connected with first connecting rod (25) to rotate on the lateral wall of first push rod (24), first connecting rod (25) are close to the one end and the rotation of first weight plate (22) and are connected, the left end of first push rod (24) extends outside install bin (1) left side wall, and fixedly connected with is used for its third air spring (26) that reset on the outer wall of first push rod (24).
4. The terminal junction box applied to the field of distribution network automation according to claim 1, characterized in that: the door closing rod (4) is connected with an ejector rod (27) in a sliding mode in the front-rear direction, and a buffer spring (28) is sleeved on the ejector rod (27).
5. The terminal junction box applied to the field of distribution network automation according to claim 1, characterized in that: second spout (29) have been seted up on the left side wall of install bin (1), second spout (29) sliding connection has buffer board (30) on the left and right sides direction, fixedly connected with is located second spout (29) inside second spring (31) on the lateral wall of buffer board (30).
6. The terminal junction box applied to the field of distribution network automation according to claim 1, characterized in that: the door closing device is characterized in that a key sliding groove (32) is formed in the first rotating shaft (5), a sliding key (33) is arranged in the door closing rod (4), and the first rotating shaft (5) and the door closing rod (4) are in sliding connection with the key sliding groove (32) in the vertical direction through the sliding key (33).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110595055.1A CN113301750B (en) | 2021-05-28 | 2021-05-28 | Be applied to terminal transfer box in distribution network automation field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110595055.1A CN113301750B (en) | 2021-05-28 | 2021-05-28 | Be applied to terminal transfer box in distribution network automation field |
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| CN113301750A true CN113301750A (en) | 2021-08-24 |
| CN113301750B CN113301750B (en) | 2022-06-21 |
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| CN202110595055.1A Active CN113301750B (en) | 2021-05-28 | 2021-05-28 | Be applied to terminal transfer box in distribution network automation field |
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| CN114025524A (en) * | 2021-09-24 | 2022-02-08 | 南京迪特尔电子机械技术有限公司 | Communication cabinet door with quick opening and closing lock body |
| CN114183653A (en) * | 2021-12-15 | 2022-03-15 | 合肥速纳工程设计有限公司 | Measuring equipment for architectural design |
| CN115443853A (en) * | 2022-09-02 | 2022-12-09 | 安徽汉韵生物科技有限公司 | Edible mushroom culture apparatus |
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| WO2020100474A1 (en) * | 2018-11-16 | 2020-05-22 | 芦森工業株式会社 | Winding shade device |
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| CN204273933U (en) * | 2014-12-03 | 2015-04-22 | 崔泽新 | A kind of showcase with lamp box |
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|---|---|
| CN113301750B (en) | 2022-06-21 |
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Effective date of registration: 20230724 Address after: 130000 people's street, Chaoyang District, Changchun City, Jilin Province 4629 Patentee after: CHANGCHUN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY Co. Patentee after: Changchun Electric Power Group Co.,Ltd. Address before: 130021 No. 4969 Renmin Street, Changchun, Jilin, Chaoyang District Patentee before: CHANGCHUN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY Co. |
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