CN114411649B - Pneumatic self-closing posture adjustable gate - Google Patents
Pneumatic self-closing posture adjustable gate Download PDFInfo
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- CN114411649B CN114411649B CN202210215573.0A CN202210215573A CN114411649B CN 114411649 B CN114411649 B CN 114411649B CN 202210215573 A CN202210215573 A CN 202210215573A CN 114411649 B CN114411649 B CN 114411649B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000001125 extrusion Methods 0.000 claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims description 53
- 239000004814 polyurethane Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009189 diving Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
A pneumatic self-closing posture adjustable gate. Relates to the technical field of steel gates, in particular to a pneumatic self-closing posture-adjustable gate for stopping leakage. The gate comprises a gate body which is movably arranged in a gate slot of a gate frame at two ends; the gate body comprises a vertical plate and a rectangular frame body, the frame body is arranged on the front surface of the vertical plate, the cross section of the frame body is T-shaped, and a pair of T-shaped plates at two ends of the frame body are respectively arranged at two ends of the front surface of the vertical plate in the vertical direction; the two groups of extrusion devices are respectively connected to the two ends of the front surface of the vertical plate, each group of extrusion devices is respectively positioned on the inner sides of the T-shaped plates at the two ends, each group of extrusion devices comprises air cylinders which are arranged at intervals from top to bottom, and piston rods of the air cylinders are used for propping against the front inner walls of the door slots opposite to the front surface of the vertical plate; the invention has stable operation, quick leak stopping and water stopping, no need of manual leak stopping, time saving and labor saving, and eliminates potential safety hazard.
Description
Technical Field
The invention relates to the technical field of steel gates, in particular to a pneumatic self-closing posture-adjustable gate for stopping leakage.
Background
The Jiangdu hydraulic junction engineering mainly comprises 4 large-scale electric pumping stations, 12 large-and-medium-scale water gates, a power transmission and transformation engineering and drainage and river channels, wherein the capacity of a total assembly machine is 55800 kilowatts, the corresponding pumping capacity is 508m 3/s, and the hydraulic junction engineering is the largest electric drainage and irrigation engineering in China or even Asia. During the period of thirteen five days, the hydraulic engineering plays an important role in serious drought and flood disasters, the water gate and the pump station with control are saved, the flood discharging and draining of the pump station reach 3110 hundred million cubic meters, the water diversion and the water diversion reach 1906 hundred million cubic meters, the disaster reduction benefit is realized, and the high-quality development of social economy and high quality of the whole province is effectively ensured.
According to the technical requirements of pump station operation management, when a pump station unit operates for a certain period or the unit fails, maintenance and overhaul are needed. Before maintenance, a maintenance gate is usually used for retaining water, and accumulated water in a bottom water inlet flow channel and a water collecting pit is drained by a small drainage pump arranged in a pump station, so that a dry maintenance space is provided for maintenance personnel. At present, a conventional overhaul gate is a planar steel gate, and water stop rubber is arranged on four sides of the conventional overhaul gate, so that the water bodies inside and outside the overhaul gate form pressure difference in the process of draining accumulated water in a runner and a water collecting pit to compress the water stop rubber, and the aim of closing water and stopping leakage of the overhaul gate is fulfilled.
However, in the actual overhaul process, most of the overhaul gates cannot be tightly adhered and sealed due to various factors such as gate body manufacturing, rail installation, local damage of gate grooves and the like, and the phenomenon of large water leakage exists, so that accumulated water in the flow channel cannot be rapidly discharged, and timely overhaul of a unit is not facilitated. At present, objects such as cotton are used for plugging by diving, because the plugging operation space of the water inlet side of a pump station is narrow, the water-feeding operation difficulty of the diving is high, and meanwhile, when one unit is salvaged, two units in close proximity are required to be shut down, otherwise, the risk of the diving being involved occurs, and the operation is time-consuming, labor-consuming, expensive and high in potential safety hazard.
Disclosure of Invention
Aiming at the problems, the invention provides the pneumatic self-closing gate which has the advantages of simple structure, convenience, reliability and efficiency improvement.
The technical scheme of the invention is as follows: the gate comprises a gate body which is movably arranged in a gate slot of a gate frame at two ends;
Also comprises two groups of extrusion devices and a pair of self-adaptive adjusting devices,
The gate body comprises a vertical plate and a rectangular frame body, the frame body is arranged on the front surface of the vertical plate, the section of the frame body is T-shaped,
In the vertical direction, a pair of T-shaped plates at two ends of the frame body are respectively arranged at two ends of the front surface of the vertical plate;
two groups of extrusion devices are respectively connected with the two ends of the front surface of the vertical plate, each group of extrusion devices is respectively positioned on the inner sides of T-shaped plates at the two ends,
Each group of extrusion devices comprises air cylinders which are arranged at intervals from top to bottom, and piston rods of the air cylinders are used for propping against the right inner walls of the door slots opposite to the front surfaces of the upright plates;
the self-adaptive adjusting devices are in one-to-one correspondence with the T-shaped plates,
The T-shaped plate comprises a transverse plate and a vertical plate, the transverse plate is parallel to the vertical plate, and the vertical plate is positioned on the inner side of the end face of the vertical plate;
the self-adaptive adjusting device comprises a pneumatic guide rail and a rubber air cushion, wherein the pneumatic guide rail is arranged on the transverse plate, the rubber air cushion is movably arranged on the pneumatic guide rail, and the rubber air cushion is used for contacting the positive inner wall of the door slot;
The back of the vertical plate is detachably connected with a water stop rubber, and the water stop rubber is used for contacting the back inner wall of the door slot opposite to the back of the vertical plate.
The door also comprises a pair of side inflatable tubes which are movably arranged in the door slot in a one-to-one correspondence,
The side air inflation tube is connected with the gate body and is positioned at the outer end of the vertical plate in the T-shaped plate.
The device also comprises a bottom inflatable tube, wherein the bottom inflatable tube is positioned below the horizontal T-shaped plate at the bottom of the frame body.
And two ends of the bottom inflatable tube are respectively communicated with a pair of side inflatable tubes.
The camera is arranged on the back of the vertical plate at intervals.
Also comprises a water pressure balancing device which is used for balancing the water pressure,
The water pressure balancing device is arranged on the back surface of the vertical plate and used for opening or closing the opening.
The water pressure balancing device comprises a flap valve, the flap valve is rotatably and movably arranged on the back surface of the vertical plate through an auxiliary cylinder, and the flap valve is used for opening and closing the opening;
Or (b)
The water pressure balancing device comprises a pneumatic butterfly valve, and the pneumatic butterfly valve is used for opening and closing the opening through a butterfly plate;
Or (b)
The water pressure balancing device comprises a lifting gate and a lifting cylinder, wherein the lifting cylinder is used for driving the lifting gate to lift and move, and the auxiliary gate is used for opening and closing the opening.
The buffer piece is connected to a piston rod of the air cylinder and is used for contacting the positive inner wall of the door slot;
The buffer piece is a polyurethane wheel or a flexible pad.
The water stop rubber is P-shaped, and is connected with the vertical plate through bolts.
The peripheral end faces of the frame body and the peripheral end faces of the vertical plates are respectively located on the same plane.
In operation, the water stop rubber used for contacting the inner wall of the back of the gate slot is detachably connected to the back of the neutral plate of the gate body, so that the water stop rubber is convenient to assemble and disassemble and convenient to replace;
Two groups of extrusion devices are arranged on the front surface of the vertical plate, each group of extrusion devices comprises a plurality of air cylinders arranged from top to bottom, and the air cylinders can be simultaneously opened or independently controlled, and the piston rods are propped against the positive inner wall of the door slot so as to extrude the water stop rubber to seal; when the valve is independently controlled, the valve body can be partially propped up, so that partial water leakage is avoided;
Meanwhile, self-adaptive adjusting devices are respectively arranged on a pair of T-shaped plates at two ends of a rectangular frame body in the gate body, the self-adaptive adjusting devices are connected to the pneumatic guide rail in a sliding mode through pneumatic control rubber air cushions, when partial water leakage occurs, the rubber air cushions move to corresponding positions to be inflated, corresponding water stop rubber is further extruded, and water stop effect is enhanced.
According to the invention, through the combined action of fixed cylinder extrusion and movable rubber air cushion, the local posture adjustment of the water stop rubber is realized, and the reliability of gate sealing is improved.
The invention has stable operation, quick leak stopping and water stopping, no need of manual leak stopping, time saving and labor saving, and eliminates potential safety hazard.
Drawings
Figure 1 is a schematic view of the structure of a first embodiment of the invention,
Figure 2 is a cross-sectional view of the A-A plane of figure 1,
Figure 3 is a cross-sectional view of the B-B plane of figure 1,
Figure 4 is a top view of figure 1,
Figure 5 is a cross-sectional view of the C-C plane of figure 1,
Figure 6 is a schematic view of the structure of a second embodiment of the invention,
Figure 7 is a schematic diagram of the connection structure of the pneumatic butterfly valve and the butterfly plate,
Figure 8 is a schematic view of the structure of a third embodiment of the present invention,
In the figure, 1 is a gate body, 2 is a gate slot, 201 is a positive inner wall, 202 is a back inner wall, 3 is a vertical plate, 4 is a frame body, 41 is a transverse plate, 42 is a vertical plate, 5 is an air cylinder, 6 is a pneumatic guide rail, 7 is a rubber air cushion, 8 is a water stop rubber, 9 is a side air inflation tube, 10 is a bottom air inflation tube, 11 is a camera, 12 is an opening, 13 is a flap valve, 14 is a pneumatic butterfly valve, 15 is a butterfly plate, 16 is a lifting gate, 17 is a lifting air cylinder, 18 is a buffer member, 19 is a water discharge hole, 20 is a locking hole, 21 is an air compressor, and 22 is a confluence plate.
Detailed Description
The invention is shown in figures 1-8, and comprises a gate body 1 which is movably arranged in a gate slot 2 of a gate frame at two ends;
Also comprises two groups of extrusion devices and a pair of self-adaptive adjusting devices,
The gate body comprises a vertical plate 3 and a rectangular frame body 4, the frame body 4 is arranged on the front surface of the vertical plate 3, the section of the frame body 4 is T-shaped,
In the vertical direction, a pair of T-shaped plates at two ends of the frame body are respectively arranged at two ends of the front surface of the vertical plate;
two groups of extrusion devices are respectively connected with the two ends of the front surface of the vertical plate, each group of extrusion devices is respectively positioned on the inner sides of T-shaped plates at the two ends,
Each group of extrusion devices comprises air cylinders 5 which are arranged at intervals from top to bottom, and piston rods of the air cylinders are used for propping against the positive inner walls of the door slots opposite to the front surfaces of the upright plates;
the self-adaptive adjusting devices are in one-to-one correspondence with the T-shaped plates,
The T-shaped plate comprises a transverse plate 41 and a vertical plate 42, the transverse plate 41 is parallel to the vertical plate 3, and the vertical plate 42 is positioned on the inner side of the end face of the vertical plate 3;
the self-adaptive adjusting device comprises a pneumatic guide rail 6 and a rubber air cushion 7, wherein the pneumatic guide rail 6 is arranged on a transverse plate, the rubber air cushion 7 is movably arranged on the pneumatic guide rail, and the rubber air cushion 7 is used for contacting the positive inner wall 201 of the door slot;
The back of the vertical plate is detachably connected with a water stop rubber 8, and the water stop rubber is used for contacting the back inner wall 202 of the door slot opposite to the back of the vertical plate.
In operation, the water stop rubber used for contacting the inner wall of the back of the gate slot is detachably connected to the back of the neutral plate of the gate body, so that the water stop rubber is convenient to assemble and disassemble and convenient to replace;
Two groups of extrusion devices are arranged on the front surface of the vertical plate, each group of extrusion devices comprises a plurality of air cylinders arranged from top to bottom, and the air cylinders can be simultaneously opened or independently controlled, and the piston rods are propped against the positive inner wall of the door slot so as to extrude the water stop rubber to seal; when the valve is independently controlled, the valve body can be partially propped up, so that partial water leakage is avoided;
Meanwhile, self-adaptive adjusting devices are respectively arranged on a pair of T-shaped plates at two ends of a rectangular frame body in the gate body, the self-adaptive adjusting devices are connected to the pneumatic guide rail in a sliding mode through pneumatic control rubber air cushions, when partial water leakage occurs, the rubber air cushions move to corresponding positions to be inflated, corresponding water stop rubber is further extruded, and water stop effect is enhanced.
According to the invention, through the combined action of fixed cylinder extrusion and movable rubber air cushion, the local posture adjustment of the water stop rubber is realized, and the reliability of gate sealing is improved.
Also comprises a pair of side inflatable tubes 9 which are movably arranged in the door slot 2 in a one-to-one correspondence,
The side air inflation tube 9 is connected with the gate body and is positioned at the outer end of the vertical plate 42 in the T-shaped plate.
The side inflatable tubes are arranged, and inflation is carried out through the side inflatable tubes, so that the two sides of the gate body and the gate groove are conveniently sealed, and an auxiliary sealing effect is achieved.
The internal pressure of the inflatable tube used in the invention can reach 0.8MPa, can effectively resist water pressure, and has wide application range. The expansion of the inflatable tube can reach 3 times of the diameter, and through selection, the opening and closing of the gate can be realized without air pressure, and after inflation, the space between the gate and the gate slot is fully sealed.
At present, the length of a common air bag is limited, the common air bag is generally not more than 1 meter, the internal pressure is small, the common air bag is generally not more than 0.1Mpa, once the water depth exceeds 10 meters, the air bag is pressed and deformed, the sealing effect cannot be achieved, and an amorphous product needs to be customized, so that the cost is high. The inflatable tube belongs to a shaping product, the tube diameter can be selected according to the field requirement, and the length can be cut according to the requirement. If the periphery of the gate is required to be further reinforced, a plurality of inflatable tube seals can be additionally arranged according to the requirement.
A bottom inflatable tube 10 is also included, the bottom inflatable tube 10 being located below the horizontal T-plate at the bottom of the frame 4 (i.e. the bottom surface of the riser in the bottom T-plate of the frame).
The bottom inflatable tube is arranged, so that auxiliary sealing is conveniently carried out on the bottom of the gate body, and the reliability is improved. When the water leakage at the bottom is found, only the bottom inflatable tube is needed to work for water stopping.
And two ends of the bottom inflatable tube are respectively communicated with a pair of side inflatable tubes.
The bottom inflatable tube and the side inflatable tube are communicated, so that the bottom inflatable tube and the side inflatable tube are integrated, and the air inflation and exhaust actions are convenient.
The camera also comprises a plurality of cameras 11 which are arranged at intervals on the back surface of the vertical plate.
The camera is arranged, so that water sealing and water leakage conditions on two sides and the bottom of the gate are convenient to dynamically master, corresponding water sealing operation is convenient to select, and if a rubber air cushion is selected, the rubber air cushion can be conveniently moved to a corresponding water leakage position in time to perform inflation actions such as inflation, side inflation pipes or bottom inflation pipes.
Also comprises a water pressure balancing device which is used for balancing the water pressure,
The vertical plate is provided with an opening 12, and the water pressure balancing device is arranged on the back surface of the vertical plate and used for opening or closing the opening.
When in operation, the water pressure balancing device is closed; after the overhaul is finished, the inflatable tube and the rubber air cushion start to exhaust, the air cylinder is decompressed and contracted, the water pressure balancing device is opened, so that water levels at two sides are balanced, and after the water pressure is balanced, the gate body is pulled up through the gantry crane.
As shown in fig. 1, the water pressure balancing device comprises a flap valve 13, wherein the flap valve is rotatably and movably arranged on the back surface of the vertical plate through an auxiliary cylinder, and the flap valve is used for opening and closing an opening;
Or (b)
As shown in fig. 6 and 7, the water pressure balancing device comprises a pneumatic butterfly valve 14, and the pneumatic butterfly valve is used for opening and closing an opening through a butterfly plate 15;
Or (b)
As shown in fig. 8, the water pressure balancing device comprises a lifting gate 16 and a lifting cylinder 17, wherein the lifting cylinder is used for driving the lifting gate to lift and move, and the auxiliary gate is used for opening and closing the opening.
Three schemes can be considered for the water pressure balancing device, the small runner does not need a valve, and the water level can be quickly balanced by self-leaking after the gate is depressurized so as to achieve the purpose of balancing the water pressure; the medium-sized runner or the usable flap valve with the low water level is simple and easy to use in structure and low in failure rate; large-scale flow channels with large water demand can achieve the purpose of balancing water pressure by using a butterfly valve device or a lifting gate (i.e. a small gate).
Cast iron flap valve: a round hole is formed in a web plate on the back of the middle lower part of the gate, a round cast iron flap valve (phi 300) is arranged, the opening and the closing are controlled by utilizing pressure generated by the water level difference between the inner side and the outer side of the gate and an auxiliary cylinder (SC 80 multiplied by 250) and are used for discharging water after maintenance is finished, so that the water levels on the inner side and the outer side are balanced, the resistance is reduced, and the gate is pulled up by a portal crane.
Pneumatic butterfly valve: a round hole is formed in a web plate on the back of the middle lower part of the gate, a pneumatic flange butterfly valve (phi 300) is arranged, the pneumatic actuator is used for controlling the opening and closing, and the pneumatic actuator is used for discharging water after the overhaul is finished, so that the water levels on the inner side and the outer side are balanced, the resistance is reduced, and the gate is pulled up by a portal crane.
Small gate: a square small gate (400 multiplied by 300) is arranged on a web plate on the back of the middle lower part of the gate, and is controlled to be opened and closed by a cylinder (SC 80 multiplied by 250) for discharging water after maintenance is finished, so that water levels on the inner side and the outer side are balanced, resistance is reduced, and the gate is pulled up by a gantry crane.
Further comprises a buffer member 18 connected to the piston rod of the cylinder 5 for contacting the positive inner wall 201 of the door slot;
the cushioning member 18 is a polyurethane wheel or flexible pad.
And the buffer piece is arranged, and the buffer piece contacts with the positive inner wall of the door slot when the air cylinder acts, so that the damage to the door slot is avoided.
The water stop rubber 8 is of a P type, and is connected with the vertical plate through bolts.
The water-stopping rubber is connected with the vertical plate through a bolt, so that the disassembly and the assembly are convenient; especially when used for a long time, the utility model is convenient to replace and improves the safety.
The peripheral end faces of the frame body 4 and the peripheral end faces of the vertical plate 3 are respectively located on the same plane.
In a normal state, the bottom surface of the vertical plate and the pair of water stop rubber are sealed, and the peripheral end surfaces of the frame body (namely the outer end surfaces of the transverse plates) and the peripheral end surfaces of the vertical plate are respectively positioned on the same plane; the bottom surface of the frame body and the bottom surface of the vertical plate realize a common sealing effect, and simultaneously, the bottom inflatable tube can be positioned;
Both ends of the frame body and both ends of the vertical plate can be used for positioning the lateral inflatable tube.
The air compressor 21 is arranged at the top end of the concrete wall of the station body, the PU air supply pipe is connected with the air inlet of the cylinder body through the gate top water drain hole 19, and the air inlet of the cylinder body is controlled by using a manual valve. All the air cylinders, the pneumatic guide rails, the rubber air cushion, the side air expansion pipes, the bottom air expansion pipes, the pneumatic butterfly valves and the like are connected with the air compressor. The air compressor 21 is connected with each path of manual valve through an air supply pipe by a confluence plate 22, so as to control the corresponding device to act.
The integrated extrusion device, the self-adaptive adjusting device, the air expansion pipe (namely the side air expansion pipe and the bottom air expansion pipe), the water pressure balancing device, the underwater video monitoring and the like are a whole set of pneumatic self-closing system, and the integrated extrusion device has the characteristics of high integration, systemization, dynamics, visualization and the like, and can be used for reference for sealing leakage prevention of various plane gates such as a vertical plane gate, a horizontal plane gate, a maintenance gate, an accident gate and the like.
In a specific application of the present invention,
1. The two ends of the beam at the inner side of the gate are symmetrically provided with 3 groups of cylinders (model SC50 multiplied by 250) which can only be applied to underwater, the top ends of the cylinders are connected with polyurethane wheels, an air supply system of the cylinders is connected with an air compressor and a PU air supply pipe, and the manual valve is used for controlling the air inlet of the cylinders (the actions of the upper, middle and lower groups of cylinders can be independently controlled according to the requirement). The piston rod of the air cylinder extends out, the polyurethane wheel props against the opposite gate slot, the gate is forced to lean against the inner side of the station body by utilizing the acting force and the reaction force principle, the original P-type water stopping rubber of the gate is extruded, and the water leakage of the gate is reduced.
2. In order to further strengthen the propping compression effect on the water stop of the gate, rubber air cushions (150 multiplied by 25) are symmetrically arranged on pneumatic guide rails (model OSP-P25-5000) on two sides of a longitudinal side beam of the gate, a PU air supply pipe is connected with an air compressor for supplying air (the air charging and discharging of the upper and lower two groups of rubber air cushions can be independently controlled according to the requirement, and the rubber air cushions can freely move to a set position on the rails), the rubber air cushions are inflated and expanded, the gate is forced to lean against the inner side of a station body by utilizing the acting force and the reaction force principle, the original water stop rubber is further extruded, and the water stop effect is enhanced.
3. In order to ensure that the water stop of the gate achieves the optimal effect, one to two circles of inflatable pipes (phi 30 multiplied by 40) are arranged at the two sides and the bottom of the outer side of the gate, the top ends of the inflatable pipes are tied on the locking holes 20 at the top of the gate body by rubber ropes, the PU air supply pipes are connected with an air compressor for supplying air, and the air pipes are inflated and expanded until no water leakage and seepage occur.
In practical application, in the conventional operation, taking Jiangdu the fourth pumping station as an example: typically, divers take about 3-7 days to perform a gate leak. The water inlet side trash rack is needed to be lifted in advance for the diver to drain, so that the diver can enter the trash rack conveniently, and the time is about half a day. Before the plugging is completed, the overhaul of the unit cannot be performed. The average time is calculated by 5 working days, and the water pumping quantity of a single unit is 1296 ten thousand cubic meters. In the period of draining waterlogging, if the unit fails to repair, in order to ensure personal safety of divers, adjacent units on two sides need to be simultaneously stopped in the plugging process, and the total of 3 units can pump water 3888 ten thousand cubic meters.
However, the invention can shorten the plugging time of the overhaul gate to less than 1 hour, greatly shortens the plugging time, does not need to stop the adjacent units at two sides, and effectively ensures that the engineering benefit is exerted to the maximum extent in the period of drainage.
The invention has good popularization value and can be used for the sealing perfection of the sluice gate and the like of large, medium and small pump station overhaul gates in China.
For the purposes of this disclosure, the following points are also described:
(1) The drawings of the embodiments disclosed in the present application relate only to the structures related to the embodiments disclosed in the present application, and other structures can refer to common designs;
(2) The embodiments disclosed herein and features of the embodiments may be combined with each other to arrive at new embodiments without conflict;
The above is only a specific embodiment disclosed in the present application, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. The pneumatic self-closing posture-adjustable gate comprises a gate body, wherein the gate body is movably arranged in a gate groove of a gate frame at two ends;
It is characterized by also comprising two groups of extrusion devices and a pair of self-adaptive adjusting devices,
The gate body comprises a vertical plate and a rectangular frame body, the frame body is arranged on the front surface of the vertical plate, the section of the frame body is T-shaped,
In the vertical direction, a pair of T-shaped plates at two ends of the frame body are respectively arranged at two ends of the front surface of the vertical plate;
two groups of extrusion devices are respectively connected with the two ends of the front surface of the vertical plate, each group of extrusion devices is respectively positioned on the inner sides of T-shaped plates at the two ends,
Each group of extrusion devices comprises air cylinders which are arranged at intervals from top to bottom, and piston rods of the air cylinders are used for propping against the right inner walls of the door slots opposite to the front surfaces of the upright plates;
the self-adaptive adjusting devices are in one-to-one correspondence with the T-shaped plates,
The T-shaped plate comprises a transverse plate and a vertical plate, the transverse plate is parallel to the vertical plate, and the vertical plate is positioned on the inner side of the end face of the vertical plate;
the self-adaptive adjusting device comprises a pneumatic guide rail and a rubber air cushion, wherein the pneumatic guide rail is arranged on the transverse plate, the rubber air cushion is movably arranged on the pneumatic guide rail, and the rubber air cushion is used for contacting the positive inner wall of the door slot;
the back of the vertical plate is detachably connected with a water stop rubber, and the water stop rubber is used for contacting the back inner wall of the door slot opposite to the back of the vertical plate;
The water leakage condition of the gate is convenient to grasp dynamically;
the pneumatic control rubber air cushion is connected to the pneumatic guide rail in a sliding manner, and when partial water leakage occurs, the rubber air cushion moves to a corresponding position to perform inflation.
2. A pneumatic self-closing posture adjustable gate according to claim 1, further comprising a pair of side inflatable tubes movably disposed in the gate slot in one-to-one correspondence,
The side air inflation tube is connected with the gate body and is positioned at the outer end of the vertical plate in the T-shaped plate.
3. A pneumatic self-closing attitude adjustable gate according to claim 2 further comprising a bottom inflatable tube positioned below the horizontal T-plate at the bottom of the frame.
4. A pneumatic self-closing posture adjustable gate as claimed in claim 3, wherein the two ends of the bottom inflatable tube are respectively connected to a pair of side inflatable tubes.
5. A pneumatic self-closing attitude adjustable gate according to claim 1, further comprising a water pressure balancing device,
The water pressure balancing device is arranged on the back surface of the vertical plate and used for opening or closing the opening.
6. The pneumatic self-closing posture adjustable gate of claim 5, wherein the water pressure balancing device comprises a flap valve, the flap valve is rotatably and movably arranged on the back surface of the vertical plate through an auxiliary cylinder, and the flap valve is used for opening and closing an opening;
Or (b)
The water pressure balancing device comprises a pneumatic butterfly valve, and the pneumatic butterfly valve is used for opening and closing the opening through a butterfly plate;
Or (b)
The water pressure balancing device comprises a lifting gate and a lifting cylinder, wherein the lifting cylinder is used for driving the lifting gate to lift and move, and the lifting gate is used for opening and closing the opening.
7. A pneumatic self-closing posture adjustable gate in accordance with claim 6, further comprising a buffer member connected to a piston rod of the cylinder, said buffer member for contacting a positive inner wall of the gate slot;
The buffer piece is a polyurethane wheel or a flexible pad.
8. The pneumatic self-closing posture adjustable gate of claim 1, wherein the water stop rubber is P-shaped and is connected with the vertical plate through bolts.
9. The pneumatic self-closing posture adjustable gate of claim 1, wherein the peripheral end face of the frame and the peripheral end face of the vertical plate are respectively located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215573.0A CN114411649B (en) | 2022-03-07 | 2022-03-07 | Pneumatic self-closing posture adjustable gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215573.0A CN114411649B (en) | 2022-03-07 | 2022-03-07 | Pneumatic self-closing posture adjustable gate |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205152912U (en) * | 2015-10-15 | 2016-04-13 | 江苏省洪泽湖水利工程管理处 | Large -scale pump station bulkhead gate side pressure leak -stopping device of intaking |
| CN206396728U (en) * | 2017-01-16 | 2017-08-11 | 江苏省骆运水利工程管理处 | A kind of gas-flow closure type gate leak-stopping water installations |
| CN210827379U (en) * | 2019-09-18 | 2020-06-23 | 江苏润源水务设备有限公司 | Air bag sealed steel gate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080055333A (en) * | 2006-12-15 | 2008-06-19 | 주식회사 한국 종합엔지니어링 | Gate device for water supply having inflatable seal |
| CN209482268U (en) * | 2018-11-12 | 2019-10-11 | 中山市水利水电勘测设计咨询有限公司 | A kind of inflatable rubber water-proof device for hydraulic plate gate |
| CN209779567U (en) * | 2019-03-12 | 2019-12-13 | 信阳华电环保工程技术有限公司 | novel gate pressure relief balance device |
| CN212000938U (en) * | 2020-03-16 | 2020-11-24 | 河海大学常州校区 | Plane gate system capable of automatically controlling water level |
| CN213204030U (en) * | 2020-09-11 | 2021-05-14 | 大唐洱源凤羽风电有限责任公司 | Jacking and leakage-stopping device for hydropower station maintenance gate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205152912U (en) * | 2015-10-15 | 2016-04-13 | 江苏省洪泽湖水利工程管理处 | Large -scale pump station bulkhead gate side pressure leak -stopping device of intaking |
| CN206396728U (en) * | 2017-01-16 | 2017-08-11 | 江苏省骆运水利工程管理处 | A kind of gas-flow closure type gate leak-stopping water installations |
| CN210827379U (en) * | 2019-09-18 | 2020-06-23 | 江苏润源水务设备有限公司 | Air bag sealed steel gate |
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| CN114411649A (en) | 2022-04-29 |
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