CN111891962A - Flood control formula high voltage distribution cabinet - Google Patents
Flood control formula high voltage distribution cabinet Download PDFInfo
- Publication number
- CN111891962A CN111891962A CN202010792089.5A CN202010792089A CN111891962A CN 111891962 A CN111891962 A CN 111891962A CN 202010792089 A CN202010792089 A CN 202010792089A CN 111891962 A CN111891962 A CN 111891962A
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- China
- Prior art keywords
- air
- air valve
- valve
- distribution cabinet
- power distribution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/24—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
- F16K31/26—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm
- F16K31/265—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm with a second lever or toggle between the pivoted arm and the valve
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/303—Bases or feet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/05—Hydraulic jacks
- B66F2700/055—Jacks with a single cylinder
- B66F2700/057—Pistons, e.g. telescopic; Cylinders or sealing joints; Hydraulic travel-limiting devices or shock damping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to a flood-control type high-voltage power distribution cabinet. The pneumatic lifting device is characterized by comprising a pneumatic lifting device, wherein a control device is arranged on the left side of the pneumatic lifting device, and the pneumatic lifting device is communicated with the control device through a gas pipeline; the control device comprises a first air valve, a second air valve and a trigger assembly, the first air valve and the second air valve are arranged on a gas pipeline, a connecting rod starting mechanism is arranged on the lower side of the first air valve, and a spring is arranged between the connecting rod starting mechanism and the frame; the trigger assembly is arranged between the first air valve and the second air valve and can move up and down. According to the invention, the trigger assembly rises to abut against the connecting rod starting mechanism, when the connecting rod starting mechanism crosses a stress balance point of the spring, the spring rapidly pulls the connecting rod starting mechanism upwards through tension, and enables the first air valve to be communicated with the air pressure lifting device, the air pressure lifting device lifts the power distribution cabinet, the trigger assembly descends to enable the second air valve to be opened, and the air pressure lifting device drives the power distribution cabinet to fall back to an initial position.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a flood-control type high-voltage power distribution cabinet.
Background
The power distribution cabinet is electrical equipment and is used for reasonably distributing electric energy and facilitating the opening and closing operation of a circuit. The condition of flood and ground ponding can often appear in the lower area of some relief, and the flood can submerge some switch boards that set up subaerial and soak to cause the damage of electric elements, consequently just need come to rise the electrical cabinet temporarily at the flood, in order to avoid it to suffer the damage in the flood.
In the prior art, the lifting of the electric appliance cabinet is realized by adopting a plurality of modes, for example, the application numbers are: 201910045717.0, the authorization notice number is: CN107675801B discloses a flood-control lifting type power distribution cabinet. Wherein, at the top fixedly connected with landing leg guide rail of landing leg, the fixed cylinder that is provided with in both ends of landing leg guide rail, the piston rod of cylinder rotates through the guide pulley and is connected with the lift hinge, the top roll connection of lift hinge has cabinet body guide rail, the top fixedly connected with electricity distribution cabinet body of cabinet body guide rail, the cavity has been seted up in the inside of landing leg, and the bottom of cavity is passed through the blast pipe and is communicated with the air pump, and connecting pipe cylinder intercommunication is passed through at the top of cavity, and the inside of cavity is provided with the piston, and the lateral wall of landing leg is improved level and is provided with the first exhaust hole that link up, the vertical spout that is provided with the first exhaust hole of intercommunication on the lateral wall of landing leg, sliding connection has the seal round pin.
Among the above-mentioned prior art, flood floods the landing leg after coming, and the inflation strip is through the hole that absorbs water inflation on the landing leg, and inflation strip expansion extension promotes the seal pin rebound in order to shelter from first exhaust hole, and the air pump is to the inside conveying gas of landing leg cavity and promote piston upward movement, and when the opening top of connecting pipe was moved to the piston, gas in the cavity entered into inside the cylinder through the connecting pipe and stretches out in order to promote the cylinder pole, and then promoted the lift hinge and fold, so the lift hinge risees the switch board. After the flood is withdrawn, the electric appliance cabinet descends by means of the gravity of the electric appliance cabinet along with the contraction of the expansion strips. However, the legs can be quickly submerged after the arrival of the flood, and the expansion strip takes a certain time to absorb water and expand, so that the response speed is slow, and the electric cabinet can be submerged by the flood without being lifted. The time of the expansion strip that absorbs water inflation simultaneously to and the time of drying shrink is inconsistent, and then makes the air intake and the exhaust velocity of the elevating gear left and right sides inconsistent, leads to the speed of rise inconsistent of switch board down easily, goes up and down unstably.
Disclosure of Invention
According to at least one of the defects in the prior art, the invention provides a flood-proof high-voltage power distribution cabinet, which aims to solve the problem that the existing power distribution cabinet is easily submerged by flood due to the fact that the response of a control system is not timely.
The flood control type high-voltage power distribution cabinet adopts the following technical scheme:
the device comprises an air pressure lifting device provided with a power distribution cabinet, wherein a control device is arranged on the left side of the air pressure lifting device, and the air pressure lifting device is communicated with the control device through a gas pipeline;
the control device comprises a first air valve, a second air valve and a trigger assembly, the first air valve and the second air valve are arranged on the air pipeline, and a connecting rod starting mechanism is arranged on the lower side of the first air valve;
the trigger assembly is movably arranged between the first air valve and the second air valve up and down, so that the second air valve is automatically closed when the triggering component leaves the second air valve to rise under the action of flood, when the trigger assembly abuts against the connecting rod starting mechanism, the connecting rod starting mechanism controls the first air valve to be communicated with the air pressure lifting device, air enters the air pressure lifting device through the first air valve and the air pipeline, and then the air pressure lifting device lifts the power distribution cabinet, in the process that the trigger assembly descends and abuts against the second air valve, the first air valve is controlled to cut off the air source, the second air valve is controlled to be opened when the trigger assembly abuts against the second air valve, air in the air pressure lifting device is exhausted through the air pipeline and the second air valve, and then the air pressure lifting device drives the power distribution cabinet to fall back to the initial position.
Optionally, the control device further comprises a frame, and the first air valve, the second air valve and the trigger assembly are all located inside the frame;
a first air valve rod is arranged in the first air valve in a sliding mode, the first air valve rod is arranged in the vertical direction, and a first connecting column is arranged at the lower end of the first air valve rod;
the connecting rod starting mechanism comprises a first connecting rod, a second connecting rod and a suspension column, wherein one end of the second connecting rod is hinged with the first connecting column, the suspension column is horizontally arranged along the front-back direction and is fixedly connected to the frame, one end of the first connecting rod is rotatably connected with the suspension column, and the other end of the first connecting rod is hinged with the other end of the second connecting rod through a hinge shaft;
the frame is provided with a support column which is positioned at the right left side of the suspension column, a spring is arranged between the support column and the hinged shaft, and the hinged point of the first connecting rod and the second connecting rod is positioned at the lower right side of the suspension column.
Optionally, the triggering assembly includes a buoyancy tank and a weight block, the buoyancy tank is located between the first air valve and the second air valve, and the weight block is located inside the buoyancy tank and connected to the first connecting column through a pull rope.
Optionally, a second air valve rod for controlling the second air valve to open and close is slidably arranged in the second air valve, the second air valve rod extends in the vertical direction, and an elastic part is arranged at the lower end of the second air valve rod;
the upper end of the second air valve rod is provided with a second connecting column, and the upper end of the second connecting column is in threaded connection with a supporting disk.
Optionally, the air pressure lifting device comprises a support, an air cylinder and a bearing plate, the air cylinder is vertically fixed on the support, an air cylinder rod is arranged in the air cylinder, the bearing plate is fixedly installed at the upper end of the air cylinder rod, and the power distribution cabinet is installed on the bearing plate.
Optionally, the gas pipeline includes a gas inlet pipe, a gas outlet pipe and a gas pipe assembly, a gas pump is arranged inside the power distribution cabinet, and the first gas valve and the second gas valve are both provided with a gas inlet and a gas outlet;
the air inlet pipe is communicated with the air pump and the air inlet of the first air valve, the exhaust pipe is communicated with the external atmosphere and the exhaust port of the second air valve, the exhaust port of the first air valve is communicated with the air inlet of the air cylinder through an air conveying pipe assembly, and the air inlet of the second air valve is communicated with the air inlet of the air cylinder through an air conveying pipe assembly;
and one end of the exhaust pipe, which is far away from the second air valve, is provided with a one-way valve.
Optionally, a floating box cover is arranged at the upper end of the floating box, the upper surface of the floating box cover is higher than the upper surface of the floating box, and a rope pulling hole is formed in the center of the floating box cover.
Optionally, an air inlet is arranged at the lower part of the power distribution cabinet, and the air pump is provided with an air overflow valve.
Optionally, the frame is enclosed by an upright column and a barrier frame, the upright column is provided with four corners to form the frame, the suspension column is fixedly connected to the front surface of the left rear upright column, and the support column is connected between the left end surfaces of the two upright columns on the left side;
the two groups of barrier frames are respectively positioned at the upper end part and the lower end part of the upright post, each group of barrier frame comprises four barrier posts, and the four barrier posts are sequentially connected among the four upright posts;
and barriers are arranged between the two groups of barrier frames and are connected with the two barrier columns which correspond to each other up and down.
Optionally, the first air valve further has an air overflow channel, one end of the air overflow channel is communicated with the air inlet of the first air valve, and the other end of the air overflow channel is communicated with the atmosphere; the first air valve is configured to: before the connecting rod starting mechanism controls the first air valve to be communicated with the air pressure lifting device, the air inlet of the first air valve is communicated with the atmosphere through the air overflow channel, and the air inlet and the air outlet of the first air valve are cut off; and cutting off the air overflow channel after the air inlet and the air outlet of the first air valve are communicated.
The invention has the beneficial effects that: according to the flood control type high-voltage power distribution cabinet, the connecting rod starting mechanism is arranged at the lower end of the first air valve rod, the spring is arranged between the connecting rod starting mechanism and the frame, when the water level rises, the buoyancy tank rises by means of buoyancy until the buoyancy tank abuts against the connecting rod starting mechanism, the buoyancy tank pushes the connecting rod starting mechanism to move upwards, after the connecting rod starting mechanism crosses a stress balance point of the spring, the first connecting rod is quickly pulled upwards by means of the tensile force of the spring, the second connecting rod hinged to the first connecting rod moves upwards to push the first air valve rod to move upwards, the first air valve is communicated with the air pressure lifting device, and the air pressure lifting device quickly acts to lift the power distribution cabinet. Through the cooperation of connecting rod starting mechanism and trigger assembly, rely on the restoring force of spring, the outside air supply of switch-on that can be rapid makes atmospheric pressure elevating gear respond rapidly, avoids the flood to submerge the switch board.
Drawings
In order to illustrate more clearly the embodiments of the invention or the solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive exercise from these drawings, it being understood that these drawings are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a flood protection type high voltage power distribution cabinet according to the present invention;
FIG. 2 is a schematic structural diagram of a control device according to the present invention;
FIG. 3 is a schematic view showing the placement of the power distribution cabinet when the air pressure elevating device is not elevated in the present invention;
FIG. 4 is a cross-sectional view of the control device with the trigger assembly at the lowermost end of the present invention;
FIG. 5 is a cross-sectional view of the power distribution cabinet when the air pressure lift device is not lifted;
FIG. 6 is a sectional view of the control device with the trigger assembly uppermost in accordance with the present invention;
FIG. 7 is a sectional view showing the arrangement of the power distribution cabinet when the air pressure elevating device ascends;
FIG. 8 is a cross-sectional structural view of the control device with the trigger assembly at the lowermost end in accordance with another embodiment of the present invention;
FIG. 9 is a cross-sectional structural view of the control device with the trigger assembly uppermost in another embodiment of the present invention.
In the figure: 1. a first air valve; 2. a buoyancy tank; 3. a power distribution cabinet; 4. a cylinder; 5. an air inlet pipe; 6. a support plate; 7. a fence post; 8. a suspension post; 9. a first link; 10. a support pillar; 11. a second link; 12. a column; 13. an exhaust pipe; 14. a first backing plate; 15. a first gas delivery pipe; 16. pulling a rope; 17. a floating box cover; 18. a support disc; 19. a second connecting column; 20. a fourth gas delivery pipe; 21. a second air valve; 22. a second gas delivery pipe; 23. a bolt; 24. a carrier plate; 25. a third gas delivery pipe; 26. an air inlet; 27. a pillar; 28. a second backing plate; 29. a first air valve stem; 30. a barrier; 31. a one-way valve; 32. a first connecting column; 33. a balancing weight; 34. a second air valve stem; 35. an air pump; 36. a four-way pipe; 37. a three-way pipe; 38. a spring; 39. a cylinder rod; 40. a fixing plate; 41. and an air overflow channel.
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.
As shown in fig. 1 to 7, the flood control type high voltage power distribution cabinet of the present invention comprises an air pressure lifting device provided with a power distribution cabinet 3, wherein a control device is provided on the left side of the air pressure lifting device, and the air pressure lifting device and the control device are communicated through a gas pipeline.
The control device comprises a first air valve 1, a second air valve 21 and a trigger assembly, the first air valve 1 and the second air valve 21 are installed on a gas pipeline, and a connecting rod starting mechanism is arranged on the lower side of the first air valve 1. The trigger assembly is arranged between the first air valve 1 and the second air valve 21 in a vertically movable manner, so that when the trigger assembly leaves the second air valve 21 under the action of flood and rises, the second air valve 21 is automatically closed, and when the trigger assembly abuts against the connecting rod starting mechanism, the connecting rod starting mechanism controls the first air valve 1 to be communicated with the air pressure lifting device, and air enters the air pressure lifting device through the air pipeline and the first air valve 1, so that the air pressure lifting device lifts the power distribution cabinet 3; in the process that the trigger assembly descends and abuts against the second air valve 21, the trigger assembly firstly controls the first air valve 1 to cut off the air source until the trigger assembly abuts against the second air valve 21, the second air valve 21 is controlled to be opened, the air in the air pressure lifting device is discharged through the air pipeline and the second air valve 21, and then the air pressure lifting device drives the power distribution cabinet 3 to fall back to the initial position.
The control device also comprises a frame, and the first air valve 1, the second air valve 21 and the trigger assembly are all positioned in the frame. The first air valve 1 is provided with a first air valve rod 29 in a sliding manner, the first air valve rod 29 extends in the vertical direction, and the lower end of the first air valve rod 29 is provided with a first connecting column 32.
The link actuating mechanism includes a first link 9, a second link 11, and a suspension column 8. One end of the second connecting rod 11 is hinged with the first connecting column 32, the suspension column 8 is horizontally arranged along the front-back direction and is fixedly connected to the frame, one end of the first connecting rod 9 is rotatably connected with the suspension column 8, and the other end of the first connecting rod 9 is hinged with the other end of the second connecting rod 11 through a hinge shaft; on the frame and be located the positive left side of suspension post 8 and be equipped with support column 10, support column 10 is in same level with suspension post 8 promptly, support column 10 with be provided with spring 38 between the articulated shaft, spring 38 is extension spring to make first link 9 high right low right side down slope, promptly: the hinge point of the first link 9 and the second link 11 is at the lower right side of the suspension column 8.
The trigger assembly comprises a floating box 2 and a balancing weight 33, wherein the floating box 2 is positioned between the first air valve 1 and the second air valve 21, and the balancing weight 33 is positioned inside the floating box 2 and is connected with the first connecting column 32 through a pull rope 16.
The inside slip of second pneumatic valve 21 is provided with second pneumatic valve pole 34 that is used for controlling the opening and closing of second pneumatic valve 21, and second pneumatic valve pole 34 extends along vertical direction, and the lower extreme of second pneumatic valve pole 34 is provided with the elastic component, sets up the elastic component and makes the trigger assembly rise the back, and second pneumatic valve pole 34 automatic re-setting. Second air valve rod 34's upper end is provided with second spliced pole 19, and second spliced pole 19's upper end threaded connection has supporting disk 18, sets up supporting disk 18, the placing of the flotation tank 2 of being convenient for, the in-process that the flotation tank 2 of being convenient for simultaneously descends promotes second air valve rod 34 and removes downwards.
The air pressure lifting device comprises a support, an air cylinder 4 and a bearing plate 24, the air cylinder 4 is vertically fixed on the support, an air cylinder rod 39 is arranged inside the air cylinder 4, the bearing plate 24 is fixedly installed at the upper end of the air cylinder rod 39, the bearing plate 24 is used for installing the power distribution cabinet 3, and the position of the bearing plate 24 is higher than the height of the control device. The cylinders 4 are four and are respectively positioned at four corners of the bearing plate 24, so that the bearing plate 24 is stressed in a balanced manner, and the power distribution cabinet 3 can be conveniently and stably lifted along with the cylinders 4. Specifically, the upper end surface of the cylinder rod 39 is provided with screw holes, four corners of the carrier plate 24 are provided with through holes, and the carrier plate 24 is mounted to the upper end of the cylinder rod 39 by being inserted into the through holes by bolts 23 and connected to the screw holes. The bracket comprises a pillar 27 and a fixing plate 40, wherein the fixing plate 40 is positioned at the upper part of the pillar 27, the cylinder 4 is vertically connected on the fixing plate 40, and the number of the pillars 27 and the number of the fixing plate 40 are four.
The gas pipeline comprises a gas inlet pipe 5, a gas outlet pipe 13 and a gas transmission pipe assembly, a gas pump 35 is arranged inside the power distribution cabinet 3, and the first gas valve 1 and the second gas valve 21 are both provided with gas inlets and gas outlets. The air inlet pipe 5 is communicated with the air pump 35 and the air inlet of the first air valve 1, the exhaust pipe 13 is communicated with the outside atmosphere and the exhaust port of the second air valve 21, the exhaust port of the first air valve 1 is communicated with the air inlets of the four air cylinders 4 through the air conveying pipe assembly, and the air inlet of the second air valve 21 is communicated with the air inlets of the four air cylinders 4 through the air conveying pipe assembly. Further, the air delivery pipe assembly comprises a first air delivery pipe 15, a second air delivery pipe 22, a third air delivery pipe 25 and a fourth air delivery pipe 20; wherein, the second air pipe 22 communicates with the air inlets of the two air cylinders 4 on the left side, the third air pipe 25 communicates with the air inlets of the two air cylinders 4 on the right side, the first air pipe 15 connects with the air outlet of the first air valve 1, the second air pipe 22 and the third air pipe 25 in sequence, and the fourth air pipe 20 communicates with the air inlets of the first air pipe 15 and the second air valve 21. Further, the first air delivery pipe 15 is communicated with the second air delivery pipe 22 through a four-way pipe 36, and the first air delivery pipe 15 is respectively communicated with the third air delivery pipe 25 and the fourth air delivery pipe 20 through two three-way pipes 37.
One end of the exhaust pipe 13 far away from the second air valve 21 is provided with a one-way valve 31, and the one-way valve 31 can ensure that gas can only be discharged through the second air valve 21, so that external gas and flood are prevented from entering the gas pipeline.
In this embodiment, the upper end of flotation tank 2 is provided with flotation tank lid 17, and flotation tank lid 17 threaded connection is in the top panel center of flotation tank 2, and flotation tank lid 17's center is provided with the stay cord hole, sets up flotation tank lid 17 and is used for placing flotation tank 2 inside with balancing weight 33 in advance. Further, the float cover 17 is higher than the upper panel of the float 2, and prevents water from entering the inside of the float 2. Furthermore, a sealing ring is arranged at the joint of the buoyancy tank cover 17 and the buoyancy tank 2, so that the sealing is more reliable.
In this embodiment, the guy rope 16 is a rubber rope and fills the guy rope hole to prevent flood water from entering the inside of the buoyancy tank 2.
In this embodiment, the lower portion of the power distribution cabinet 3 is provided with an air inlet 26, and the air inlet 26 is matched with the air pump 35 to dissipate heat of the power distribution cabinet 3. The air pump 35 has an air relief valve to ensure reliable operation of the air pump 35.
In the present embodiment, the frame is formed by enclosing the upright 12 and the barrier frame, and the upright 12 is provided with four corners to form the frame. The suspension pillar 8 is fixedly connected to the front surface of the left rear upright post 12, and the support pillar 10 is bent in a U shape with an opening facing the suspension pillar 8 and is connected between the left end surfaces of the two left upright posts 12
The barrier frames are arranged in two groups and are respectively positioned at the upper end part and the lower end part of the upright posts 12, each group of barrier frames comprises four barrier posts 7, and the four barrier posts 7 are sequentially connected among the four upright posts 12. Be provided with barrier 30 between two sets of fence frames, barrier 30 is connected with two corresponding barrier posts 7 from top to bottom, sets up barrier 30 can further restriction flotation tank 2's activity space, avoids flotation tank 2 to float outside the frame, simultaneously, sets up barrier 30 and can reduce the impact of flood to flotation tank 2. The barrier 30 is formed of a plurality of smooth cylindrical rods to reduce the friction between the barrier 30 and the buoyancy tank 2.
And a support plate 6 is arranged on each group of barrier frames and between the left barrier column and the right barrier column 7, and the support plate 6 is used for fixing the first air valve 1 and the second air valve 21.
In this embodiment, the lower ends of the four columns 12 are provided with a first base plate 14, the lower ends of the four pillars 27 are provided with a second base plate 28, and the first base plate 14 and the second base plate 28 are fixedly connected with the ground through anchor bolts.
With the above embodiment, the use principle and the working process of the present invention are as follows:
in the normal state, the buoyancy tank 2 rests on the support plate 18 by its own weight, and presses down the second air valve rod 34 to open the second air valve 21. The balancing weight 33 is hung inside the buoyancy tank 2 through the pull rope 16, the balancing weight 33 pulls down the first air valve rod 29 to cut off the air source, the air pressure lifting device does not work, and the distribution box 3 is in a normal station.
After the flood slowly fades, the buoyancy tank 2 slowly descends, and the counterweight 33 pulls down the first air valve rod 29 through the pull rope 16 due to the self weight, so that the air supply is cut off. The buoyancy tank 2 continues to descend, the supporting disc 18 is slowly pressed down, the second air valve 21 is gradually opened, air in the air cylinder 4 is discharged, and the power distribution cabinet 3 slowly descends.
In other embodiments of the present invention, as shown in fig. 8 and 9, the first air valve 1 further has an air overflow channel 41, one end of the air overflow channel 41 is communicated with the air inlet of the first air valve 1, and the other end of the air overflow channel 41 is communicated with the atmosphere. When the trigger assembly is at the lowest end, the air inlet and the air outlet of the first air valve 1 are not communicated, the air overflow channel 41 is opened, and the air of the air pump 35 is discharged through the air overflow channel 41; after the flood comes, the trigger assembly rises and triggers the connecting rod starting mechanism, and the connecting rod starting mechanism pushes the first air valve rod 29 to move upwards under the acting force of the spring 38, so that the air inlet and the air outlet of the first air valve 1 are communicated, meanwhile, the air overflow channel 41 is closed, air enters the air pressure lifting device through the air inlet and the air outlet of the first air valve 1, and the air pressure lifting device rapidly acts to lift the power distribution cabinet 3.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a flood control formula high voltage distribution cabinet which characterized in that: the device comprises an air pressure lifting device provided with a power distribution cabinet, wherein a control device is arranged on the left side of the air pressure lifting device, and the air pressure lifting device is communicated with the control device through a gas pipeline;
the control device comprises a first air valve, a second air valve and a trigger assembly, the first air valve and the second air valve are arranged on the air pipeline, and a connecting rod starting mechanism is arranged on the lower side of the first air valve;
the trigger assembly is movably arranged between the first air valve and the second air valve up and down, so that the second air valve is automatically closed when the triggering component leaves the second air valve to rise under the action of flood, when the trigger assembly abuts against the connecting rod starting mechanism, the connecting rod starting mechanism controls the first air valve to be communicated with the air pressure lifting device, air enters the air pressure lifting device through the first air valve and the air pipeline, and then the air pressure lifting device lifts the power distribution cabinet, in the process that the trigger assembly descends and abuts against the second air valve, the first air valve is controlled to cut off the air source, the second air valve is controlled to be opened when the trigger assembly abuts against the second air valve, air in the air pressure lifting device is exhausted through the air pipeline and the second air valve, and then the air pressure lifting device drives the power distribution cabinet to fall back to the initial position.
2. A flood protection type high voltage power distribution cabinet according to claim 1, characterized in that: the control device further comprises a frame, and the first air valve, the second air valve and the trigger assembly are all positioned in the frame;
a first air valve rod is arranged in the first air valve in a sliding mode, the first air valve rod is arranged in the vertical direction, and a first connecting column is arranged at the lower end of the first air valve rod;
the connecting rod starting mechanism comprises a first connecting rod, a second connecting rod and a suspension column, wherein one end of the second connecting rod is hinged with the first connecting column, the suspension column is horizontally arranged along the front-back direction and is fixedly connected to the frame, one end of the first connecting rod is rotatably connected with the suspension column, and the other end of the first connecting rod is hinged with the other end of the second connecting rod through a hinge shaft;
the frame is provided with a support column which is positioned at the right left side of the suspension column, a spring is arranged between the support column and the hinged shaft, and the hinged point of the first connecting rod and the second connecting rod is positioned at the lower right side of the suspension column.
3. A flood protection type high voltage power distribution cabinet according to claim 2, characterized in that: the trigger assembly comprises a floating box and a balancing weight, the floating box is located between the first air valve and the second air valve, and the balancing weight is located inside the floating box and connected with the first connecting column through a pull rope.
4. A flood protection type high voltage power distribution cabinet according to claim 3, characterized in that: a second air valve rod used for controlling the second air valve to open and close is arranged in the second air valve in a sliding mode, the second air valve rod extends in the vertical direction, and an elastic piece is arranged at the lower end of the second air valve rod;
the upper end of the second air valve rod is provided with a second connecting column, and the upper end of the second connecting column is in threaded connection with a supporting disk.
5. A flood protection type high voltage power distribution cabinet according to claim 1, characterized in that: the air pressure lifting device comprises a support, an air cylinder and a bearing plate, wherein the air cylinder is vertically fixed on the support, an air cylinder rod is arranged in the air cylinder, the bearing plate is fixedly installed at the upper end of the air cylinder rod, and the power distribution cabinet is installed on the bearing plate.
6. A flood protection type high voltage power distribution cabinet according to claim 1, characterized in that: the gas pipeline comprises a gas inlet pipe, a gas outlet pipe and a gas pipe assembly, a gas pump is arranged in the power distribution cabinet, and the first gas valve and the second gas valve are both provided with a gas inlet and a gas outlet;
the air inlet pipe is communicated with the air pump and the air inlet of the first air valve, the exhaust pipe is communicated with the external atmosphere and the exhaust port of the second air valve, the exhaust port of the first air valve is communicated with the air inlet of the air cylinder through an air conveying pipe assembly, and the air inlet of the second air valve is communicated with the air inlet of the air cylinder through an air conveying pipe assembly;
and one end of the exhaust pipe, which is far away from the second air valve, is provided with a one-way valve.
7. A flood protection type high voltage power distribution cabinet according to claim 3, characterized in that: the upper end of flotation tank is provided with the flotation tank lid, the upper surface of flotation tank lid is higher than the upper surface of flotation tank, the center of flotation tank lid is provided with the stay cord hole.
8. A flood protection type high voltage power distribution cabinet according to claim 6, characterized in that: the lower part of the power distribution cabinet is provided with an air inlet, and the air pump is provided with an air overflow valve.
9. A flood protection type high voltage power distribution cabinet according to claim 2, characterized in that: the frame is formed by enclosing upright columns and a barrier frame, the upright columns are provided with four corners for forming the frame, the suspension columns are fixedly connected to the front surfaces of the left rear upright columns, and the support columns are connected between the left end surfaces of the two left upright columns;
the two groups of barrier frames are respectively positioned at the upper end part and the lower end part of the upright post, each group of barrier frame comprises four barrier posts, and the four barrier posts are sequentially connected among the four upright posts;
and barriers are arranged between the two groups of barrier frames and are connected with the two barrier columns which correspond to each other up and down.
10. A flood protection type high voltage power distribution cabinet according to claim 6, characterized in that: the first air valve is also provided with an air overflow channel, one end of the air overflow channel is communicated with the air inlet of the first air valve, and the other end of the air overflow channel is communicated with the atmosphere; the first air valve is configured to: before the connecting rod starting mechanism controls the first air valve to be communicated with the air pressure lifting device, the air inlet of the first air valve is communicated with the atmosphere through the air overflow channel, and the air inlet and the air outlet of the first air valve are cut off; and cutting off the air overflow channel after the air inlet and the air outlet of the first air valve are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792089.5A CN111891962A (en) | 2020-08-08 | 2020-08-08 | Flood control formula high voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792089.5A CN111891962A (en) | 2020-08-08 | 2020-08-08 | Flood control formula high voltage distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111891962A true CN111891962A (en) | 2020-11-06 |
Family
ID=73247287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010792089.5A Withdrawn CN111891962A (en) | 2020-08-08 | 2020-08-08 | Flood control formula high voltage distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111891962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563950A (en) * | 2020-12-22 | 2021-03-26 | 沈龙博 | High intelligent power distribution cabinet of security |
| CN113419165A (en) * | 2021-06-01 | 2021-09-21 | 东风柳州汽车有限公司 | Key endurance test device |
-
2020
- 2020-08-08 CN CN202010792089.5A patent/CN111891962A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563950A (en) * | 2020-12-22 | 2021-03-26 | 沈龙博 | High intelligent power distribution cabinet of security |
| CN113419165A (en) * | 2021-06-01 | 2021-09-21 | 东风柳州汽车有限公司 | Key endurance test device |
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Application publication date: 20201106 |