CN112993834B - Outdoor switch box operation platform - Google Patents
Outdoor switch box operation platform Download PDFInfo
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- CN112993834B CN112993834B CN202110296774.3A CN202110296774A CN112993834B CN 112993834 B CN112993834 B CN 112993834B CN 202110296774 A CN202110296774 A CN 202110296774A CN 112993834 B CN112993834 B CN 112993834B
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- operating platform
- stair
- accommodating cavity
- stairs
- guard rail
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- 238000005065 mining Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides an outdoor switch box operating platform, which belongs to the technical field of electric power construction and comprises an operating platform body, stairs, a protective guard and a connecting part, wherein the operating platform body is provided with a connecting part; the operating table body is provided with a first accommodating cavity and a second accommodating cavity; the stair is positioned in the first accommodating cavity and is rotationally connected with the operating platform body through the rotating shaft; the guard rail is connected with the second accommodating cavity in a sliding mode; one end of the connecting part is connected with a rotating shaft of the stair, and the other end of the connecting part is abutted against the bottom of the protective guard; the connecting part and the stairs rotate synchronously; when the switch box is overhauled, the stair is positioned outside the operating platform body by turning the stair, so that an operator can conveniently go up to the operating platform body through the stair; after the overhaul is finished, the stair is turned into the first accommodating cavity, so that the space can be saved, and the stair can be protected; when overturning the stair to the outside of the operation table body, the connecting parts rotate synchronously with the stair, so that the protective guard can be ejected out of the operation table body, and the protective guard is convenient for protecting operators.
Description
Technical Field
The invention belongs to the technical field of electric power construction, and particularly relates to an outdoor switch box operation platform.
Background
The switch box is generally assigned with an electric box, switch equipment, a measuring instrument, a protective electric appliance and auxiliary equipment are arranged in the electric box, and a circuit can be switched on or switched off by a manual or automatic switch in normal operation; in the prior art, in order to ensure safe and stable operation of a cable line and avoid influence on the space of an underground comprehensive pipe gallery, a basic support of a switch box is generally heightened, so that the switch box is positioned at a higher position; when the switch box is overhauled, an operator needs to be lifted to a basic support of the switch box by means of a hydraulic lifting vehicle; lifting an operator through a hydraulic lifting car, and needing to park the hydraulic lifting car beside a foundation support; however, need adjust the position of hydraulic lift car many times among the prior art and just can park the hydraulic lift car on one side of basic support, troublesome poeration, the switch box of being not convenient for on the basic support overhauls.
Disclosure of Invention
The invention aims to provide an outdoor switch box operating platform, and aims to solve the technical problem that a switch box on a basic support is inconvenient to overhaul in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the outdoor switch box operating platform comprises an operating platform body, a stair, a protective guard and a connecting part; a first accommodating cavity is formed in one side of the operating table body, and a second accommodating cavity is formed in the upper surface of the operating table body; the upper surface of the operating table body is used for placing a switch box; the stair is positioned in the first accommodating cavity and is rotationally connected with the operating platform body through a rotating shaft so as to overturn the stair to the outside of the operating platform body; the guard rail is arranged in the second accommodating cavity and is in sliding connection with the second accommodating cavity; the connecting part is positioned in the second accommodating cavity, one end of the connecting part is connected with the rotating shaft of the stair, and the other end of the connecting part is abutted against the bottom of the protective guard; the connecting part and the stairs rotate synchronously, and the connecting part is used for ejecting the protective guard out of the upper surface of the operating platform body when the stairs are overturned to the outside of the operating platform body.
As another embodiment of the present application, the second accommodating cavity is a U-shaped cavity, and the guard rail is a U-shaped structure; the U-shaped opening of the guard rail and the opening of the first containing cavity are both positioned on the same side of the operating platform body.
As another embodiment of the present application, an abutting plate is disposed at a bottom of the guard rail, and the abutting plate is connected to the guard rail and abuts against the connecting portion.
As another embodiment of the present application, a supporting portion is disposed on the console body, and the supporting portion is located at an opening of the first accommodating cavity; the supporting part is used for being abutted to the turned stairs so as to support the turned stairs.
As another embodiment of this application, the supporting part be equipped with fixed knot between the stair constructs, fixed knot construct both ends respectively with the supporting part with the stair are connected, in order to fix after will overturning the stair are in on the supporting part.
As another embodiment of the present application, the support part and the stairs are one or more of clamping, pin joint and bolt connection.
As another embodiment of this application, the supporting part is equipped with the third and holds the chamber, the third holds the intracavity and is equipped with the seal assembly, the seal assembly be used for the stair overturn to seal behind the first chamber of holding the opening of chamber first holding the chamber.
As another embodiment of the present application, the closure assembly includes a folded portion and a blocking plate located at both sides of the folded portion, the blocking plate being connected to the supporting portion; the folded part is located in the third accommodating cavity after being folded.
As another embodiment of the present application, a sealing part is disposed on an upper surface of the guard rail, and the sealing part is connected to the guard rail; the lower surface of the sealing portion is used for contacting with the upper surface of the console body to seal the second accommodating cavity.
As another embodiment of the present application, an inclined plane is provided on the sealing portion, and the inclined plane is used for guiding rainwater to reduce rainwater entering the second accommodating chamber.
The outdoor switch box operation platform provided by the invention has the beneficial effects that: compared with the prior art, when the switch box is overhauled, the stair is positioned outside the operation table body by turning the stair, so that an operator can conveniently go up to the operation table body through the stair; after the overhaul is finished, the stair is turned into the first accommodating cavity, so that the space can be saved, the stair can be protected, and the damage to the stair is reduced; when the stair is turned over to the outside of the operation table body, the connecting part and the stair rotate synchronously; the protective guard is connected with the second accommodating cavity in a sliding mode, so that the protective guard can be pushed out of the upper surface of the operating table body through rotation of the connecting part, and operators on the operating table body can be protected; after the overhaul is finished, the connecting part rotates to an initial state, and the guard rail enters the second accommodating cavity under the action of gravity; the protective guard is placed in the second accommodating cavity, so that the protective guard can be protected conveniently, damage caused by the fact that the protective guard is always positioned outside the operating platform body is reduced, and the service life of the protective guard is prolonged conveniently; connecting portion upset when holding the lateral wall contact in chamber with the second, stair just can't rotate, consequently, connecting portion can also carry on spacingly to the turned angle of stair.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an outdoor switch box operating platform provided in an embodiment of the present invention in a use state;
fig. 2 is a schematic cross-sectional view of an operation table body part of an operation platform of an outdoor switch box according to an embodiment of the present invention;
fig. 3 is a schematic view of a stair portion of an outdoor switch box operating platform according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic view of an operation table body part of an operation platform of an outdoor switch box according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a state of the outdoor switch box operating platform provided by the embodiment of the invention after use.
In the figure: 1. an operation table body; 11. a first accommodating chamber; 12. a second accommodating chamber; 2. a staircase; 21. a rotating shaft; 3. protecting the fence; 31. a butt joint plate; 32. a sealing part; 321. a bevel; 4. a connecting portion; 5. a switch box; 6. a support portion; 61. a limiting block; 62. a third accommodating chamber; 7. a closure assembly; 71. a folding part; 72. and a baffle plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 6, an operation platform of an outdoor switch box according to the present invention will now be described. An outdoor switch box operation platform comprises an operation platform body 1, a stair 2, a protective guard 3 and a connecting part 4; a first accommodating cavity 11 is formed in one side of the operating table body 1, and a second accommodating cavity 12 is formed in the upper surface of the operating table body; the upper surface of the operating table body 1 is used for placing a switch box 5; the stair 2 is positioned in the first accommodating cavity 11 and is rotatably connected with the operating platform body 1 through a rotating shaft 21 so that the stair 2 can be overturned to the outside of the operating platform body 1; the guard rail 3 is arranged in the second accommodating cavity 12 and is connected with the second accommodating cavity 12 in a sliding way; the connecting part 4 is positioned in the second accommodating cavity 12, one end of the connecting part is connected with the rotating shaft 21 of the stair 2, and the other end of the connecting part is abutted against the bottom of the protective guard 3; the connecting part 4 rotates synchronously with the stair 2, and the connecting part 4 is used for pushing the protective guard 3 out of the upper surface of the operating platform body 1 when the stair 2 is overturned to the outside of the operating platform body 1.
Compared with the prior art, the folding operation platform of the outdoor switch box 5 has the advantages that when the switch box 5 is overhauled, the stair 2 is positioned outside the operation platform body 1 by turning the stair 2, so that an operator can conveniently go up to the operation platform body 1 through the stair 2.
After the overhaul is finished, the stair 2 is turned into the first accommodating cavity 11, so that the space can be saved, the stair 2 can be protected, and the damage to the stair 2 is reduced; when the stairs 2 are turned over to the outside of the console body 1, the connection part 4 rotates in synchronization with the stairs 2.
Since the guard rail 3 is slidably connected to the second accommodating chamber 12, the guard rail 3 can be pushed out of the upper surface of the console body 1 by the rotation of the connecting portion 4, and an operator on the console body 1 can be protected; after the overhaul is finished, the connecting part 4 rotates to an initial state, and the guard rail 3 enters the second accommodating cavity 12 under the action of gravity; by placing the guard rail 3 in the second receiving cavity 12, the guard rail 3 can be protected easily, damage to the guard rail 3 due to the guard rail 3 being always outside the console body 1 can be reduced, and the life span of the guard rail 3 can be prolonged easily.
When connecting portion 4 overturned to the lateral wall contact that holds chamber 12 with the second, stair 2 just can't rotate, consequently, connecting portion 4 can also carry on spacingly to the turned angle of stair 2.
As a specific embodiment of the foldable operating platform of the outdoor switch box 5 provided by the present invention, please refer to fig. 1 to 6, the second accommodating cavity 12 is a U-shaped cavity, and the guard rail 3 is a U-shaped structure; the U-shaped opening of the guard rail 3 and the opening of the first accommodating cavity 11 are both positioned on the same side of the console body 1.
In this embodiment, the switch box 5 is fixed on the upper surface of the console body 1, and the switch box 5 is located in a space surrounded by the U-shaped structure of the guard rail 3; because the opening of the protective guard 3 and the opening of the first accommodating cavity 11 are located on the same side, after the stair 2 is turned over to the outside of the operation table body 1, an operator can conveniently walk to the upper surface of the operation table body 1 through the stair 2 without climbing over the protective guard 3 on the upper surface of the operation table body 1, and therefore safety performance can be improved.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, an abutting plate 31 is disposed at the bottom of the guard rail 3, and the abutting plate 31 is connected to the guard rail 3 and abuts against the connecting portion 4.
In this embodiment, the abutment plate 31 is fixed to the bottom of the guard rail 3 and contacts the side wall of the second accommodating chamber 12; the abutting plate 31 can limit the sliding direction of the guard rail 3 on one hand, and on the other hand, the connecting portion 4 can drive the guard rail 3 to ascend, so that the guard rail 3 can extend out of the upper surface of the operating platform body 1 after the stair 2 is turned to the outside of the operating platform body 1, and therefore protection can be conducted on an operator on the operating platform body 1 conveniently.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, a support portion 6 is disposed on the console body 1, and the support portion 6 is located at an opening of the first accommodating cavity 11; the support portion 6 is used for abutting against the turned-over stair 2 to support the turned-over stair 2.
In this embodiment, the supporting portion 6 is fixed at one side of the console body 1 and is close to the bottom of the console body 1; after stair 2 overturned the outside of operation panel body 1, the bottom of stair 2 and the top butt of supporting part 6, consequently, supporting part 6 supports stair 2 after the upset, and the operating personnel of being convenient for walks to the upper surface of operation panel body 1 through stair 2.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, a fixing structure is disposed between the stairs 2 of the supporting portion 6, and two ends of the fixing structure are respectively connected to the supporting portion 6 and the stairs 2 to fix the turned stairs 2 on the supporting portion 6.
In this embodiment, after 2 upsets to 6 butts with the supporting part, be connected with supporting part 6 and stair 2 respectively through fixed knot structure, can fix stair 2 on supporting part 6, consequently when using stair 2, can increase stair 2's stability, be convenient for improve the security performance.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, the supporting portion 6 and the stair 2 are one or more of clamping, pin-jointing and bolt-jointing.
In the present embodiment, the bolt connection is described as an example; the support part 6 is fixedly provided with a limiting block 61, and the limiting block 61 is positioned at two sides of the stair 2; the both sides of stair 2 are equipped with the screw hole, are equipped with the through-hole on the stopper 61, and the screw hole of stair 2 is used for lining up with the through-hole on the stopper 61.
In this embodiment, after 2 stairs overturn to supporting part 6, the screw hole on 2 stairs aligns with the through-hole on the stopper 61, consequently passes behind the through-hole on the stopper 61 through the bolt and with the screw hole screw-thread fit on 2 stairs, can fix 2 stairs on supporting part 6, consequently is convenient for improve 2 stairs's stability when using.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, the supporting portion 6 is provided with a third accommodating cavity 62, a sealing component 7 is disposed in the third accommodating cavity 62, and the sealing component 7 is used for sealing an opening of the first accommodating cavity 11 after the stair 2 is turned over to the first accommodating cavity 11.
In this embodiment, the opening of the third accommodating cavity 62 is arranged upward, and when the switch box 5 on the operation table body 1 needs to be overhauled, the sealing assembly 7 is placed in the third accommodating cavity 62, and the stair 2 is turned to the outside of the operation table body 1; overhaul the back that finishes to switch box 5, overturn stair 2 to the first chamber 11 that holds in to the first opening that holds chamber 11 is sealed through the closing component 7 that the third held chamber 62, can reduce and enter into the first impurity that holds chamber 11, thereby is convenient for protect the first stair 2 that holds in the chamber 11.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, the sealing assembly 7 includes a folding portion 71 and a baffle 72 located at two sides of the folding portion 71, and the baffle 72 is connected to the supporting portion 6; the folded portion 71 is located in the third receiving chamber 62 after being folded.
In this embodiment, one end of the folding portion 71 is connected to the support portion 6, and the other end is pulled out of the third accommodating cavity 62 to close the opening of the first accommodating cavity 11 and is connected to the console body 1 by a bolt; the baffle 72 is fixed at the both ends of supporting part 6, and the baffle 72 can shelter from the both sides of folded portion 71, consequently can reduce and enter into the first impurity that holds chamber 11 from folded portion 71 both sides to further protect the stair 2 in the first chamber 11 that holds.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 6, a sealing portion 32 is disposed on an upper surface of the guard rail 3, and the sealing portion 32 is connected to the guard rail 3; the lower surface of the sealing portion 32 is used to contact the upper surface of the console body 1 to seal the second accommodation chamber 12.
In this embodiment, the sealing portion 32 is fixed to the top of the guard rail 3, and in the initial state, the sealing portion 32 on the top of the guard rail 3 is in contact with the upper surface of the console body 1, so that the opening of the second accommodating chamber 12 can be closed, rainwater entering the second accommodating chamber 12 can be reduced, the guard rail 3 in the second accommodating chamber 12 can be protected conveniently, and the service life of the guard rail 3 can be prolonged.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 6, the sealing portion 32 is provided with an inclined surface 321, and the inclined surface 321 is used for guiding rainwater to reduce rainwater entering the second accommodating cavity 12; the slope 321 of the sealing portion 32 allows rainwater to flow down from the top of the sealing portion 32, so that rainwater accumulated in the sealing portion 32 can be reduced, and the sealing portion 32 can protect the second accommodating chamber 12.
In the embodiment, the distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect; the control center is used for commanding various components in a power supply circuit to reasonably distribute electric energy, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, and is also a key for obtaining whether a user is satisfied with the power supply quality.
In this embodiment, the usage of block terminal: the electric energy is reasonably distributed, and the opening and closing operation of the circuit is convenient. The safety protection level is higher, and the conduction state of the circuit can be visually displayed.
In this embodiment, the distribution box is divided into a fixed panel type switch cabinet, a protective switch cabinet, a drawer type switch cabinet and a power and lighting distribution control box according to the purpose.
Fixed panel formula cubical switchboard: often referred to as switchboards or panels. The front side of the switch cabinet has a protection effect, the back side and the side surfaces of the switch cabinet can still touch the charged part, the protection level is low, and the switch cabinet can only be used for industrial and mining enterprises with lower requirements on power supply continuity and reliability and is used for centralized power supply of a working and transformation room.
Protection type switch cabinet: the low-voltage switch cabinet is a low-voltage switch cabinet with all sides closed except for the installation surface. The electrical elements of the cabinet, such as switch, protection, monitoring and control, are all installed in a closed shell made of steel or insulating material and can be installed close to or away from the wall. Isolation measures are not needed to be added between each loop in the cabinet, and a grounded metal plate or an insulating plate can be adopted for isolation. Typically the door is mechanically interlocked with the main switch operation. In addition, the protective type desk type switch cabinet is also provided, and the panel is provided with electric appliances for control, measurement, signal and the like. The protective switch cabinet is mainly used as a power distribution device in a process field.
Drawer type switch cabinet: the switch cabinet is made of steel plates to form a closed shell, and electrical elements of the wire inlet and outlet loop are all installed in the drawer capable of being pulled out to form a functional unit capable of completing a certain power supply task. The functional units are separated from the bus bars or cables by the grounded metal plates or plastic functional plates, so that three areas of the bus bars, the functional units and the cables are formed. There is also a separation between each functional unit. The drawer type switch cabinet has higher reliability, safety and interchangeability, and is an advanced switch cabinet, and most of the switch cabinets refer to the drawer type switch cabinet. The power distribution center is suitable for industrial and mining enterprises and high-rise buildings which require high power supply reliability and serves as a centralized control power distribution center.
Power, illumination distribution control box: mostly closed vertical installation. The protection grades of the shells are different due to different use occasions. They are mainly used as power distribution devices in the production field of industrial and mining enterprises.
In this embodiment, the block terminal can divide into welded structure and assemble the structure according to the structure.
And (3) welding the structure: the sheet metal part is simply cut, bent, perforated and then welded.
The assembly structure is as follows: the sheet metal part is processed separately, each part is assembled after being processed, the lock is reinforced and locked by screws and the tee joint, the appearance is attractive, the operation is simple, and a large amount of transportation cost can be saved.
In this embodiment, the distribution box is a low-voltage distribution box formed by assembling switching equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.
In this embodiment, the ambient temperature affects the fault caused by the low-voltage apparatus: the low-voltage electrical apparatus in the distribution box, by fuse, ac contactor, residual current action protector, condenser and strapping table, etc. The upper limit of the ambient air temperature does not exceed 40 ℃; the average value of the ambient air temperature for 24h does not exceed 35 ℃; the lower limit of the ambient air temperature is not lower than-5 ℃ or-25 ℃; the distribution box modified by the rural power grid operates outdoors, not only can be directly irradiated by sunlight to generate high temperature, but also can generate heat during operation, so that the temperature in the box body can reach more than 60 ℃ in high-temperature seasons in midsummer, and the temperature at the moment greatly exceeds the specified environmental temperature of the electric appliances.
In this embodiment, the failure caused by the product quality: in rural power grid transformation, distribution boxes are required to be large in quantity and short in construction period, and distribution box factories need related low-voltage electric appliances for short supply time and large in quantity, so that the phenomenon that the requirements on product quality are not strict is caused, and some products break down soon after being put into operation. If some types of alternating current contactors are not operated soon after the distribution box is put into operation, the closing coil of the contactor is burnt out, and the alternating current contactors cannot operate.
In this embodiment, the failure caused by improper selection of the electrical appliance in the distribution box is as follows: because the selection of the capacity of the alternating current contactor is not proper during manufacturing, the alternating current contactors with the same capacity are installed on different outgoing line loops, the unbalanced condition of three-phase loads is not considered, and the current grade of part of outgoing line contactors cannot be improved by one current grade selection on the basis of normal model selection.
In this embodiment, adopt protection circuit to prevent the external circuit trouble of block terminal power supply from taking place. An intelligent phase-lack protector with a small volume is selected, such as a DA88CM-II motor phase-lack protection module (upper marine product) can be selected to be arranged in the distribution box to prevent the motor from being burnt out due to low-voltage phase-lack operation.
In this embodiment, the wiring mode of the low-voltage capacitor bank of the original distribution box is improved, and the installation position of the low-voltage capacitor bank is changed from the pile head on the alternating current contactor to be connected between the low-voltage incoming line of the distribution box and the meter. The metering device is prevented from metering inaccurately when a capacitor circuit has a phase failure or the capacitor is damaged in operation. In addition, the selected type of the capacitor is BSMJ series product so as to ensure the reliable quality and safe operation of the element.
In the embodiment, if a distribution rack on the column is additionally arranged, when a shell of the distribution box is manufactured, a stainless steel plate with the thickness of 2mm can be selected, and the size of the distribution box is proportionally enlarged (on the basis of JP 4-100/3W used in agricultural improvement projects, the size of the original box in the width direction is enlarged by about 100mm, namely, the original 680mm is changed into 780mm, and the improved distribution box has the overall size of 1300mm multiplied by 780mm multiplied by 500mm), so that the electrical safety distance between outgoing lines of each branch circuit and between the outgoing lines and the shell of the box is increased, the operation maintenance and the replacement of a fuse element are facilitated, and meanwhile, heat dissipation can be realized.
In this embodiment, an energy-saving ac contactor (similar to CJ20 SI) is selected, and the coil voltage of the ac contactor is connected to the corresponding terminals of the selected current-operated protector, so as to perform correct load matching. When the alternating current contactor is selected, a product with the insulation grade of A and above is selected, and the rated current of the main circuit contact is ensured to be larger than or equal to the load current of a controlled line. The rated voltage of the electromagnetic coil of the contactor is 380V or 220V;
in this embodiment, the business turn over line of block terminal selects for use the low tension cable, and the selection of cable should accord with technical requirement. For example, VV22-35 x 4 cables are used for incoming lines of distribution boxes of 30kVA and 50kVA transformers, and VLV22-35 x 4 cables with the same specification are used for outgoing lines of branches; the incoming lines of distribution boxes of 80kVA and 100kVA transformers respectively use VV 22-50X 4 and VV 22-70X 4 cables, the outgoing lines of the branches respectively use VLV 22-50X 4 and VLV 22-70X 4 cables, and the cables are connected with the inner terminal of the distribution box through bolts after being in pressure joint with a copper-aluminum wiring nose.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An outdoor switch box operation platform, comprising:
the operating table comprises an operating table body, wherein a first accommodating cavity is formed in one side of the operating table body, and a second accommodating cavity is formed in the upper surface of the operating table body; the upper surface of the operating table body is used for placing a switch box;
the stair is positioned in the first accommodating cavity and is rotationally connected with the operating platform body through a rotating shaft so as to overturn the stair to the outside of the operating platform body;
the protective guard is arranged in the second accommodating cavity and is in sliding connection with the second accommodating cavity; and
the connecting part is positioned in the second accommodating cavity, one end of the connecting part is connected with the rotating shaft of the stair, and the other end of the connecting part is abutted against the bottom of the protective guard; the connecting part and the stairs rotate synchronously and are used for ejecting the protective guard out of the upper surface of the operating platform body when the stairs are overturned to the outside of the operating platform body.
2. An outdoor switch box operating platform according to claim 1, wherein the second receiving cavity is a U-shaped cavity, and the guard rail is a U-shaped structure; the U-shaped opening of the guard rail and the opening of the first containing cavity are both positioned on the same side of the operating platform body.
3. An outdoor switchgear cabinet operating platform according to claim 1, wherein the bottom of the guard rail is provided with an abutting plate, and the abutting plate is connected with the guard rail and abuts against the connecting part.
4. The operating platform of claim 1, wherein the operating platform body is provided with a supporting part, and the supporting part is positioned at the opening of the first accommodating cavity; the supporting part is used for being abutted to the turned stairs so as to support the turned stairs.
5. An outdoor switchbox operating platform according to claim 4, characterized in that the support part is provided with fixing structures between the stairs, and both ends of the fixing structures are respectively connected with the support part and the stairs to fix the overturned stairs on the support part.
6. An outdoor switchgear panel operating platform according to claim 5, wherein the support is one or more of a snap fit, a pin joint and a bolt joint with the staircase.
7. An outdoor switchbox operating platform according to claim 4, characterized in that the support part is provided with a third receiving chamber, in which a closing member is provided for closing the opening of the first receiving chamber after the staircase has been turned over into the first receiving chamber.
8. An outdoor switch cabinet operating platform according to claim 7, characterized in that said closing assembly comprises a folding portion and a baffle plate on both sides of said folding portion, said baffle plate being connected to said support portion; the folded part is located in the third accommodating cavity after being folded.
9. An outdoor switch box operating platform according to claim 1, wherein the upper surface of the guard rail is provided with a sealing part, and the sealing part is connected with the guard rail; the lower surface of the sealing portion is used for contacting with the upper surface of the console body to seal the second accommodating cavity.
10. An outdoor switchgear panel operating platform according to claim 9, wherein said sealing portion is provided with a slope for guiding rainwater to reduce rainwater entering into said second receiving chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110296774.3A CN112993834B (en) | 2021-03-19 | 2021-03-19 | Outdoor switch box operation platform |
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| CN202110296774.3A CN112993834B (en) | 2021-03-19 | 2021-03-19 | Outdoor switch box operation platform |
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| CN112993834A CN112993834A (en) | 2021-06-18 |
| CN112993834B true CN112993834B (en) | 2022-04-19 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090489A1 (en) * | 2008-02-12 | 2009-08-19 | ÖBB-Personenverkehr AG | Automatic train |
| CN203430100U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Stair built-in fully-guarded intelligent power distribution region transformer chamber |
| CN205976604U (en) * | 2016-07-19 | 2017-02-22 | 移惠信息技术（上海）有限公司 | Double -deck expansion formula removes room |
| CN107370066A (en) * | 2017-08-29 | 2017-11-21 | 罗必君 | A kind of electric equipment maintenance platform safe to use |
| CN207218048U (en) * | 2017-08-17 | 2018-04-10 | 福建亿瑞电力科技有限公司 | A kind of distributed board outdoor |
| CA2960482A1 (en) * | 2017-03-10 | 2018-09-10 | Sharif, Amir | Lift with telescopic platform and guard rails |
| CN210111345U (en) * | 2019-07-08 | 2020-02-21 | 长春市鼎盛电器自动化设备有限公司 | Alternating-current low-voltage switch cabinet convenient to overhaul |
| CN210214484U (en) * | 2019-05-09 | 2020-03-31 | 惠州市明恒梯井有限公司 | Elevator of micro machine room |
| CN210313390U (en) * | 2019-06-17 | 2020-04-14 | 朱吉权 | Transformer overhauls with overhauing frame |
| CN212726019U (en) * | 2020-09-27 | 2021-03-16 | 李昌博 | Movable electrical distribution box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003340A1 (en) * | 2000-07-06 | 2002-01-10 | Morgan Corporation | Load platform step construction |
-
2021
- 2021-03-19 CN CN202110296774.3A patent/CN112993834B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090489A1 (en) * | 2008-02-12 | 2009-08-19 | ÖBB-Personenverkehr AG | Automatic train |
| CN203430100U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Stair built-in fully-guarded intelligent power distribution region transformer chamber |
| CN205976604U (en) * | 2016-07-19 | 2017-02-22 | 移惠信息技术（上海）有限公司 | Double -deck expansion formula removes room |
| CA2960482A1 (en) * | 2017-03-10 | 2018-09-10 | Sharif, Amir | Lift with telescopic platform and guard rails |
| CN207218048U (en) * | 2017-08-17 | 2018-04-10 | 福建亿瑞电力科技有限公司 | A kind of distributed board outdoor |
| CN107370066A (en) * | 2017-08-29 | 2017-11-21 | 罗必君 | A kind of electric equipment maintenance platform safe to use |
| CN210214484U (en) * | 2019-05-09 | 2020-03-31 | 惠州市明恒梯井有限公司 | Elevator of micro machine room |
| CN210313390U (en) * | 2019-06-17 | 2020-04-14 | 朱吉权 | Transformer overhauls with overhauing frame |
| CN210111345U (en) * | 2019-07-08 | 2020-02-21 | 长春市鼎盛电器自动化设备有限公司 | Alternating-current low-voltage switch cabinet convenient to overhaul |
| CN212726019U (en) * | 2020-09-27 | 2021-03-16 | 李昌博 | Movable electrical distribution box |
Also Published As
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|---|---|
| CN112993834A (en) | 2021-06-18 |
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