CN114277745A - Emergency automatic plugging device for flow channel manhole of hydropower station unit - Google Patents
Emergency automatic plugging device for flow channel manhole of hydropower station unit Download PDFInfo
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- CN114277745A CN114277745A CN202111598317.6A CN202111598317A CN114277745A CN 114277745 A CN114277745 A CN 114277745A CN 202111598317 A CN202111598317 A CN 202111598317A CN 114277745 A CN114277745 A CN 114277745A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of water conservancy and hydropower engineering, and discloses an emergency automatic plugging device for a flow passage manhole of a hydropower station unit, which comprises an outer gallery, a manhole hole, a water collecting tank, an air supply pipe and an electric wire, wherein the rear end of the outer gallery is provided with the manhole hole, the outer gallery is provided with the water collecting tank, the air supply pipe and the electric wire are arranged on the left wall inside the outer gallery, the bottom end inside the outer gallery is provided with a plugging air bag, and the left wall inside the outer gallery is provided with a pressure reducing valve and a normally closed solenoid valve control air valve. The invention can not only control the air valve to work by controlling the normally closed solenoid valve through the liquid level controller so as to inflate the leaking stoppage air bag, but also drive the moving rod to move by pulling the T-shaped round rod so as to clean up sundries in the water collecting tank, and can also drive the piston and the T-shaped square block to move by inflating the cylinder so as to push the pressing block to rotate to loosen the leaking stoppage air bag, thereby facilitating the inflation of the leaking stoppage air bag.
Description
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering, in particular to an emergency automatic plugging device for a flow passage manhole of a hydropower station unit.
Background
The runner of the hydroelectric generating set of the hydropower station comprises a diversion steel pipe, a volute, a runner chamber and a draft tube, is an important structure of the hydroelectric generating set of the hydropower station, and is matched with maintenance work, an inlet hole is usually designed in part of the runner of the hydroelectric generating set and used for personnel to enter and exit in a maintenance period, the inlet hole is usually sealed by adopting a steel door body structure, the inlet hole is closed in the power generation operation period, the maintenance period is opened, the inlet hole door body is a weak position of the runner in the power generation operation period of the hydroelectric generating set, and door body damage or large water leakage amount is one of important hidden dangers of a water flooding workshop.
The prior art mainly solves the problem of water leakage of the inlet manhole through drainage measures, when a circular inlet hole is damaged or a large amount of water leakage occurs in the unit operation maintenance state conversion process, rapid drainage cannot be performed according to requirements, although certain water leakage can be eliminated in the existing scheme, the water leakage cannot be timely discharged when the water leakage amount is too large, a water flooded gallery and a water flooded workshop can be caused, and therefore the emergency automatic plugging device for the inlet manhole of the hydropower station unit runner is very necessary.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an emergency automatic plugging device for a flow channel manhole of a hydropower station unit, which mainly solves the problem that the water cannot be drained in time when the water leakage is too large, so that the outer gallery can be flooded by water, and a workshop can be flooded by water.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
an emergency automatic plugging device for a flow passage manhole of a hydropower station unit comprises an outer gallery, a manhole round hole, a water collecting tank, an air supply pipe and an electric wire, a man-entering round hole is formed at the rear end of the outer gallery, a water collecting tank is formed on the outer gallery, an air supply pipe and an electric wire are installed on the left wall inside the outer gallery, the bottom end in the outer gallery is provided with a plugging air bag, the left wall of the inner wall of the outer gallery is provided with a pressure reducing valve and a normally closed solenoid valve control air valve, the pressure reducing valve and the normally closed solenoid valve control air valve are both arranged on the air supply pipe, a supporting block is arranged on the left wall in the outer gallery, and a liquid level controller is arranged in the supporting block, a floating rod is arranged at the bottom end of the liquid level controller, the floating rod is aligned with the water collecting tank up and down, a change-over switch is installed on the left wall inside the outer gallery, and one end of the wire is electrically connected with the normally closed electromagnetic valve control air valve and the liquid level controller.
Further, two springs I are symmetrically and fixedly installed at the bottom end inside the water collecting tank, a moving rod is fixedly installed at the top end of each spring I, and the moving rods are slidably installed inside the water collecting tank.
On the basis of the scheme, the containing groove is formed in the front wall of the inner portion of the water collecting groove, the moving block is slidably mounted inside the containing groove, the rear end of the moving block extends to the inner portion of the water collecting groove and is attached to the bottom end of the moving rod, the T-shaped round block is slidably mounted at the bottom end of the inner portion of the outer gallery, and the bottom end of the T-shaped round block extends to the inner portion of the containing groove and is fixedly mounted at the top end of the moving block.
As a further scheme of the invention, a square rod is fixedly installed at the top end of the T-shaped round block, an inclined block is fixedly installed on the front side of the left end of the square rod, a T-shaped round rod is fixedly installed on the left side of the top end of the square rod, and the T-shaped round rod is vertically aligned with the liquid level controller.
As a further scheme of the invention, a circular through hole is formed at the top end of the supporting block, the liquid level controller is assembled in the circular through hole, two L-shaped supporting rods are symmetrically and fixedly installed at the bottom end of the supporting block, the L-shaped supporting rods are attached to the liquid level controller, two fixed blocks are symmetrically and fixedly installed at the front end of the supporting block, a rotating pin is rotatably installed between the two fixed blocks, a rotating rod I is fixedly installed on the annular side surface of the rotating pin, a torsion spring I is fixedly installed on the annular side surface of the rotating pin, the outer side of the torsion spring I is fixedly installed in the fixed blocks, the bottom end of the rotating rod is vertically aligned with the inclined block, a groove is formed in the front wall in the circular through hole, a clamping block is slidably installed in the groove, a connecting rod is fixedly installed in the middle position of the front end of the clamping block, and the other end of the connecting rod passes through the supporting block to be attached to the rotating rod I, and a second spring is arranged on the annular side surface of the connecting rod, and two ends of the second spring are respectively and fixedly arranged on the clamping block and the front wall inside the groove.
Further, an L-shaped groove is formed in the left wall inside the outer gallery, a cylinder is fixedly mounted inside the L-shaped groove, the bottom end of the air supply pipe is mounted on the cylinder, the air supply pipe is mounted on the lower side of the annular side face of the cylinder, the air supply pipe is connected with the leaking stoppage air bag, a piston is slidably mounted inside the cylinder, and the piston is mounted between the air supply pipe and the air supply pipe.
On the basis of the scheme, drum rear end slidable mounting has T type square, T type square front end extends to the drum inside and is connected with the piston, the bar groove has been seted up to L type inslot portion bottom, and bar inslot portion fixed mounting has fixed pin one, rotate on the fixed pin ring flank and install dwang two, and two top front sides fixed mounting of dwang have a toper piece, install torsional spring two on the fixed pin ring flank, and the outside fixed mounting of torsional spring is inside dwang two.
As a further scheme of the invention, a second fixing pin is fixedly installed inside the L-shaped groove, a pressing block is rotatably installed on the annular side surface of the fixing pin, a magnetic block is fixedly installed at the bottom end inside the L-shaped groove, the top end of the magnetic block is attached to the pressing block, the upper side of the rear end of the second rotating rod is attached to the bottom end of the pressing block, the right end of the pressing block extends to the outside of the L-shaped groove to be attached to the leakage stoppage air bag, a third torsion spring is fixedly installed on the annular side surface of the fixing pin, the outer side of the third torsion spring is fixedly installed inside the pressing block, the initial position of the third torsion spring is in a compression state, and a pressure release valve is installed on the leakage stoppage air bag.
(III) advantageous effects
Compared with the prior art, the invention provides an emergency automatic plugging device for a flow channel manhole of a hydropower station unit, which has the following beneficial effects:
1. the normally closed electromagnetic valve is controlled by the liquid level controller to control the air valve to work, and then the leaking stoppage air bag is inflated, when the position inside the external corridor reaches the warning value set by the liquid level controller, the liquid level controller sends a signal to the normally closed electromagnetic valve to control the air valve to be opened, gas inside the air supply pipe enters the leaking stoppage air bag, and then the leaking stoppage air bag is inflated and expanded to block the circular hole for people to enter, the design of the water collecting tank avoids normal water leakage to form a small amount of water accumulation on the ground and mistakenly start the device, the design of the change-over switch achieves the action of controlling the whole device, the leaking stoppage air bag works when no person exists, and the locking is opened when no person exists.
2. The T-shaped round rod is pulled to drive the moving rod to move, so that sundries in the water collecting tank are cleaned, the T-shaped round block is pulled upwards, the T-shaped round block moves upwards to drive the moving block to move, the moving block moves to drive the moving rod to move, so that the sundries are pushed to the outer side of the water collecting tank, the moving rod moves to stretch the first spring, the elastic force of the first spring facilitates the moving and resetting of the moving rod, the moving block and the T-shaped round block, the square rod is driven to move in the upward moving process of the T-shaped round block, the square rod moves to drive the inclined block to move, the inclined block moves to press the first rotating rod, the second rotating rod surrounds the rotating pin and drives the rotating pin to rotate, the first rotating pin rotates to extrude the first torsion spring to generate torsion, the first rotating rod rotates to be separated from the connecting rod, the clamping block moves to be separated from the liquid level controller under the action of the second spring, so that the liquid level controller can slide up and down in the supporting block, the T-shaped round rod is driven to move in the upward movement process of the square rod, the T-shaped round rod moves to be attached to the liquid level controller, the liquid level controller is pushed to move upward, the liquid level controller moves upward to drive the floating rod to move upward, the influence on the floating rod after sundries in the water collecting tank are pushed out is avoided, and the purpose of protecting the floating rod and the liquid level controller is achieved.
3. The piston and the T-shaped square block are driven to move by inflating the cylinder, so that the pressing block is pushed to rotate to loosen the plugging air bag, the gas in the gas supply pipe enters the cylinder, the piston is pushed by the gas, the T-shaped square block is driven to move while the piston moves along the cylinder, the T-shaped square block moves to extrude the conical block, thereby extruding the second rotating rod, the second rotating rod is extruded and rotated around the first fixed pin, and the pressing block is jacked up and separated from the magnetic block, under the action of the third torsion of the torsion spring, the pressing block rotates around the second fixing pin to the inside of the L-shaped groove, when the piston moves over the gas pipe, the air enters the plugging air bag through the air delivery pipe, so that the plugging air bag is convenient to be inflated, this design is convenient for when not aerifing the leaking stoppage gasbag for the leaking stoppage gasbag is in rolling compression state, avoids the leaking stoppage gasbag to cause the injury to the passerby.
4. The moving rod is pulled to move through the elastic force of the first spring, so that the square rod, the first rotating rod and the liquid level controller are driven to move and reset, under the action of the elastic force of the first spring, the moving rod moves to drive the moving block to move, the moving block moves to drive the T-shaped round rod and the square rod to move, the square rod moves to drive the T-shaped round rod to move downwards, so that the liquid level controller moves downwards to be attached to the L-shaped supporting rod, the square rod moves downwards while driving the inclined block to move, the inclined block moves downwards to be separated from the first rotating rod, under the action of torsional spring torsion force, the first rotating rod resets and rotates, the first rotating rod drives the connecting rod to move, so that the clamping block is pushed to slide in the groove, the sliding block slides to stretch the second spring, after the liquid level controller is reset, the clamping block moves to reset to be attached to the liquid level controller, so that the liquid level controller is clamped in the supporting block, and the installation stability of the liquid level controller is improved, the liquid level controller is prevented from shaking in the using process to influence the position of the floating rod, so that inaccurate liquid level measurement is avoided.
5. The pressure relief valve is used for discharging gas inside the leaking stoppage air bag, the leaking stoppage air bag is convenient to wind, after the winding of the leaking stoppage air bag is completed, the pressing block rotates around the fixing pin II, the pressing block rotates to extrude the torsional spring III, the pressing block rotates to be attached to the leaking stoppage air bag, the leaking stoppage air bag is pressed and fixed, the pressing block rotates to be separated from the magnetic block, the adsorption force between the magnetic block and the pressing block is larger than the torsion force of the torsional spring III, the position of the pressing block is further fixed, and the stability of pressing and holding the leaking stoppage air bag is improved.
Drawings
Fig. 1 is a schematic perspective view of an emergency automatic plugging device 1 for a flow channel manhole of a hydropower station unit according to an embodiment of the invention;
fig. 2 is a schematic view of an assembly structure of a floating rod of an emergency automatic plugging device for a flow channel manhole of a hydropower station unit in an embodiment 1 of the invention;
fig. 3 is a schematic view of an assembly structure of a movable rod of an emergency automatic plugging device for a flow channel manhole of a hydropower station unit in embodiment 2 of the invention;
fig. 4 is a schematic view of a partially enlarged structure at a position a of an emergency automatic plugging device for a flow channel manhole of a hydropower station unit in an embodiment 2 of the invention;
fig. 5 is a schematic view of the internal structure of a cylinder of an embodiment 2 of an emergency automatic blocking device for a flow channel manhole of a hydropower station unit;
fig. 6 is a schematic partial enlarged structural view of a part B of an emergency automatic plugging device for a flow channel manhole of a hydropower station unit in an embodiment 2 of the invention.
In the figure: 1. an outer gallery; 2. entering a round hole; 3. a water collection tank; 4. a plugging air bag; 5. a pressure reducing valve; 6. a normally closed electromagnetic valve controls the air valve; 7. a liquid level controller; 8. a float rod; 9. an electric wire; 10. a gas supply pipe; 11. a switch; 12. a support block; 13. a travel bar; 14. a first spring; 15. a moving block; 16. a T-shaped round block; 17. a square bar; 18. a sloping block; 19. a T-shaped round bar; 20. rotating the first rod; 21. a connecting rod; 22. a clamping block; 23. a second spring; 24. a fixed block; 25. a rotation pin; 26. a first torsion spring; 27. a cylinder; 28. a piston; 29. a gas delivery pipe; 30. a T-shaped square block; 31. rotating the second rod; 32. a conical block; 33. a first fixing pin; 34. a second torsion spring; 35. briquetting; 36. a magnetic block; 37. a second fixing pin; 38. and a third torsion spring.
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.
Example 1
Referring to fig. 1-2, an emergency automatic plugging device for a flow channel manhole of a hydropower station unit comprises an outer gallery 1, a circular hole 2 for people to enter, a water collecting tank 3, an air supply pipe 10 and an electric wire 9, wherein the circular hole 2 for people to enter is processed at the rear end of the outer gallery 1, the water collecting tank 3 is processed on the outer gallery 1, the design of the water collecting tank 3 avoids the false start of the device due to the formation of a small amount of water accumulation on the ground due to normal water leakage, an air supply pipe 10 and the electric wire 9 are installed on the left wall inside the outer gallery 1 through a binding belt, the air supply pipe 10 is designed to convey air to the inside of a plugging air bag 4, the electric wire 9 is designed to supply power to a normally closed electromagnetic valve control air valve 6 and a liquid level controller 7, the plugging air bag 4 is assembled at the bottom inside the outer gallery 1, a pressure reducing valve 5 and a normally closed electromagnetic valve control air valve 6 are installed on the left wall inside the inner wall of the outer gallery 1 through a bolt, and the pressure reducing valve 5 and the normally closed electromagnetic valve 6 are both installed on the air supply pipe 10, the design of relief pressure valve 5 has reduced gaseous pressure, avoid high-pressure gas to get into leaking stoppage gasbag 4 inside fast and cause its damage, the design of normally closed solenoid valve control pneumatic valve 6 is convenient for when the water level reaches alert position, aerify to leaking stoppage gasbag 4 inside, install supporting shoe 12 through the bolt on the inside left wall of outer corridor 1, and supporting shoe 12 internal assembly liquid level controller 7, liquid level controller 7 installs bottom fly 8, and fly 8 aligns from top to bottom with water catch bowl 3, the design of liquid level controller 7 and fly 8 is convenient for detect the water level, be equipped with change over switch 11 on the inside left wall of outer corridor 1, the work when unmanned is realized in change over switch 11's design, open the locking when someone, avoid personnel's mistake to move when passing in and out, electric wire 9 one end and normally closed solenoid valve control pneumatic valve 6 and liquid level controller 7 electric connection.
The working principle of the embodiment is as follows: when the position in the outer gallery 1 reaches the warning value set by the liquid level controller 7, the liquid level controller 7 sends a signal to the normally closed solenoid valve control air valve 6, so that the normally closed solenoid valve control air valve 6 is opened, the gas in the air supply pipe 10 enters the leaking stoppage air bag 4, and the leaking stoppage air bag 4 is inflated to seal the circular hole 2 for people to enter.
Example 2
Referring to fig. 3-6, an emergency automatic plugging device for a flow channel manhole of a hydropower station unit further comprises a moving rod 13 and a rotating rod, two springs 14 are symmetrically installed at the bottom end inside a water collection tank 3 through screws, the moving rod 13 is welded at the top ends of the springs 14, the moving rod 13 is slidably installed inside the water collection tank 3, the moving rod 13 is designed to facilitate cleaning of sundries inside the water collection tank 3, the springs 14 are designed to facilitate moving and resetting of the moving rod 13, an accommodating groove is machined in the front wall inside the water collection tank 3, a moving block 15 is movably installed inside the accommodating groove, the rear end of the moving block 15 extends into the water collection tank 3 and is attached to the bottom end of the moving rod 13, the moving block 15 is designed to facilitate moving and driving the moving rod 13 to move, a T-shaped round block 16 is movably installed at the bottom end inside an outer gallery 1, and the bottom end of the T-shaped round block 16 extends into the accommodating groove and is connected to the top end of the moving block 15 through bolts, the design of the T-shaped round block 16 is convenient for pulling the moving block 15 to move, a square rod 17 is welded at the top end of the T-shaped round block 16, an inclined block 18 is installed at the front side of the left end of the square rod 17 through a screw, a T-shaped round rod 19 is installed at the left side of the top end of the square rod 17 through a screw, the T-shaped round rod 19 is vertically aligned with the liquid level controller 7, the T-shaped round rod 19 is convenient for pushing the liquid level controller 7 and the floating rod 8 to move upwards, a circular through hole is processed at the top end of the supporting block 12, the liquid level controller 7 is installed inside the circular through hole, two L-shaped supporting rods are symmetrically welded at the bottom end of the supporting block 12, the L-shaped supporting rods are attached to the liquid level controller 7, the L-shaped supporting rods are convenient for supporting and installing the liquid level controller 7 inside the supporting block 12, the front end of the supporting block 12 is symmetrically welded with the fixed blocks 24, a rotating pin 25 is rotatably installed between the two fixed blocks 24 through a bearing, a rotating pin 25 is connected with a rotating rod I20 through a key on the annular side surface of the rotating pin 25, the design is convenient for the rotating rod I20 to be rotatably installed on the supporting block 12, the rotating pin 25 is fixedly provided with the torsion spring I26 on the annular side surface water pipe, the outer side of the torsion spring I26 is fixedly installed inside the fixing block 24, the design of the torsion spring I26 is convenient for the rotating reset of the rotating rod I20, the bottom end of the rotating rod I20 is vertically aligned with the inclined block 18, the inclined block 18 moves to be convenient for extruding the rotating rod I20, so that the rotating rod I20 rotates, a groove is machined on the front wall inside the circular through hole, the clamping block 22 is movably installed inside the groove, the connecting rod 21 is installed at the middle position of the front end of the clamping block 22 through a screw, the other end of the connecting rod 21 passes through the supporting block 12 to be attached to the rotating rod I20, the rotating rod I20 rotates to be convenient for extruding the connecting rod 21 and the clamping block 22 to move, so that the liquid level controller 7 is clamped inside the supporting block 12, and the annular side surface of the connecting rod 21 is provided with the spring II 23, and two ends of the second spring 23 are respectively welded on the clamping block 22 and the front wall inside the groove, and the second spring 23 is convenient for the clamping block 22 to move and reset, so that the liquid level controller 7 can move up and down conveniently.
In the invention, it should be noted that an L-shaped groove is processed on the left wall inside the outer lane 1, a cylinder 27 is assembled inside the L-shaped groove, the bottom end of the air supply pipe 10 is installed on the cylinder 27, the design is convenient for the air input by the air supply pipe 10 to be flushed into the cylinder 27, an air pipe 29 is assembled on the lower side of the annular side surface of the cylinder 27, the air pipe 29 is connected with the plugging air bag 4, the air pipe 29 is designed to be convenient for the air to be guided into the plugging air bag 4, a piston 28 is movably installed inside the cylinder 27, the piston 28 is installed between the air supply pipe 10 and the air pipe 29, the piston 28 is designed to be convenient for the air to enter the cylinder 27 and further push the piston 28 to move, a T-shaped block 30 is movably installed at the rear end of the cylinder 27, the front end of the T-shaped block 30 extends into the cylinder 27 and is connected with the piston 28 through a screw, the piston 28 moves to drive the T-shaped block 30 to move, a strip-shaped groove is processed at the bottom end inside the L-shaped groove, the fixing pin I33 is installed inside the strip-shaped groove through a bolt, the rotating rod II 31 is installed on the annular side face of the fixing pin I33 in a rotating mode through a bearing, the rotating rod II 31 is installed inside the strip-shaped groove in a rotating mode through the design, the conical block 32 is welded on the front side of the top end of the rotating rod II 31, the conical block 32 is designed to enable the rotating rod II 31 to be extruded when the T-shaped square block 30 moves backwards, the rotating rod II 31 is made to rotate, the torsion spring II 34 is welded on the annular side face of the fixing pin I33, the outer side of the torsion spring II 34 is welded inside the rotating rod II 31, the rotating reset of the rotating rod II 31 is facilitated through the design of the torsion spring II 34, the fixing pin II 37 is installed inside the L-shaped groove through a bolt, the pressing block 35 is installed inside the L-shaped groove in a rotating mode through a bearing, the magnetic block 36 is installed at the bottom end inside the L-shaped groove through a screw, and the top end of the magnetic block 36 is attached to the pressing block 35, the magnetic block 36 is designed to facilitate adsorption and fixation of the pressing block 35, the upper side of the rear end of the second rotating rod 31 is attached to the bottom end of the pressing block 35, the second rotating rod 31 rotates to facilitate pushing of the pressing block 35 to rotate, the right end of the pressing block 35 extends to the outer side of the L-shaped groove to be attached to the leakage stoppage air bag 4, the leakage stoppage air bag 4 is convenient to press and fix through the design, the third torsion spring 38 is welded to the annular side face of the second fixing pin 37, the outer side of the third torsion spring 38 is welded inside the pressing block 35, the initial position of the third torsion spring 38 is in a compression state, rotation and resetting of the pressing block 35 are facilitated through the design of the third torsion spring 38, the leakage stoppage air bag 4 is provided with a pressure release valve, gas inside the leakage stoppage air bag 4 is convenient to discharge, and the leakage stoppage air bag 4 is convenient to be rolled for reuse.
The working principle of the embodiment is as follows: when sundries in the water collecting tank 3 need to be cleaned, the T-shaped round block 16 is pulled upwards, the T-shaped round block 16 moves upwards to drive the moving block 15 to move, the moving block 15 moves to drive the moving rod 13 to move, and then the sundries are pushed to the outer side of the water collecting tank 3, the moving rod 13 moves to stretch the first spring 14, the elastic force of the first spring 14 facilitates the moving and resetting of the moving rod 13, the moving block 15 and the T-shaped round block 16, the T-shaped round block 16 drives the square rod 17 to move in the upward moving process, the square rod 17 moves to drive the inclined block 18 to move, the inclined block 18 moves to extrude the first rotating rod 20, so that the second rotating rod 31 surrounds the rotating pin 25 and drives the rotating pin 25 to rotate, the first torsion spring 26 is extruded by the rotating pin 25, the first rotating rod 20 rotates to be separated from the connecting rod 21, and the clamping block 22 moves to be separated from the liquid level controller 7 under the action of the second spring 23, the liquid level controller 7 can slide up and down in the supporting block 12, the T-shaped round rod 19 is driven to move in the upward movement process of the square rod 17, the T-shaped round rod 19 moves to be attached to the liquid level controller 7, the liquid level controller 7 is driven to move upwards, the liquid level controller 7 moves upwards to drive the floating rod 8 to move upwards, the influence on the floating rod 8 after sundries in the water collecting tank 3 are pushed out is avoided, after the sundries in the water collecting tank 3 are cleaned, the moving rod 13 moves to drive the moving block 15 to move under the action of the elastic force of the spring I14, the moving block 15 moves to drive the T-shaped round block 16 and the square rod 17 to move, the square rod 17 moves to drive the T-shaped round rod 19 to move downwards, the liquid level controller 7 further moves downwards to be attached to the L-shaped supporting rod, the square rod 17 moves downwards to drive the inclined block 18 to move, the inclined block 18 moves downwards to be separated from the rotating rod I20, under the action of the torsional force of the torsional spring I26, dwang one 20 resets and rotates, and dwang one 20 rotates and drives connecting rod 21 and remove, and then promotes clamp splice 22 and slide in the recess is inside, and the slider slides and stretches spring two 23, and after liquid level controller 7 has reset, clamp splice 22 removes and resets and laminates with liquid level controller 7, and then with the centre gripping of liquid level controller 7 inside supporting shoe 12, has improved the stability of liquid level controller 7 installation.
When needs aerify leaking stoppage gasbag 4, inside gas of air supply pipe 10 gets into inside drum 27, gas promotes piston 28, piston 28 drives T type square 30 and removes when removing along drum 27, T type square 30 removes extrudees tapered block 32, and then extrudees two 31 dwang, two 31 dwang receive to extrude around a fixed pin 33 and rotate, and then with briquetting 35 jack-up and the separation of magnetic path 36 in, under the effect of three 38 torsion forces of torsional spring, briquetting 35 rotates to inside the L type groove around two 37 fixed pins, when piston 28 removes and crosses gas-supply pipe 29, gas gets into inside leaking stoppage gasbag 4 through gas-supply pipe 29, and then be convenient for aerify leaking stoppage gasbag 4.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a power station unit runner manhole emergency automatic plugging device, includes outer corridor (1), advances people's round hole (2), water catch bowl (3), air supply pipe (10) and electric wire (9), outer corridor (1) rear end is seted up into people's round hole (2), water catch bowl (3) have been seted up on outer corridor (1), outer corridor (1) inside left side wall mounting has air supply pipe (10) and electric wire (9), its characterized in that, outer corridor (1) inside bottom is installed leaking stoppage gasbag (4), outer corridor (1) inner wall left side wall mounting has relief valve (5) and normally closed solenoid valve control pneumatic valve (6), and relief valve (5) and normally closed solenoid valve control pneumatic valve (6) all install on air supply pipe (10), outer corridor (1) inside left side wall mounting has supporting shoe (12), and supporting shoe (12) internally mounted has liquid level controller (7), float lever (8) are installed to liquid level controller (7) bottom, and align from top to bottom float lever (8) and water catch bowl (3), outer corridor (1) inside left side wall mounting has switch (11), electric wire (9) one end and normally closed solenoid valve control pneumatic valve (6) and liquid level controller (7) electric connection.
2. The emergency automatic blocking device for the manhole of the hydropower station unit flow channel according to claim 1, wherein two springs I (14) are symmetrically and fixedly installed at the bottom end of the inside of the water collecting tank (3), a moving rod (13) is fixedly installed at the top end of each spring I (14), and the moving rod (13) is slidably installed inside the water collecting tank (3).
3. The emergency automatic plugging device for the manhole of the hydropower station unit runner according to claim 2, wherein a containing groove is formed in the front wall of the inner portion of the water collecting groove (3), a moving block (15) is slidably mounted in the containing groove, the rear end of the moving block (15) extends to the inner portion of the water collecting groove (3) and is attached to the bottom end of the moving rod (13), a T-shaped round block (16) is slidably mounted at the bottom end of the inner portion of the outer gallery (1), and the bottom end of the T-shaped round block (16) extends to the inner portion of the containing groove and is fixedly mounted at the top end of the moving block (15).
4. The emergency automatic blocking device for the flow channel manhole of the hydropower station unit according to claim 3, wherein a square bar (17) is fixedly mounted at the top end of the T-shaped round block (16), an inclined block (18) is fixedly mounted on the front side of the left end of the square bar (17), a T-shaped round bar (19) is fixedly mounted on the left side of the top end of the square bar (17), and the T-shaped round bar (19) is vertically aligned with the liquid level controller (7).
5. The emergency automatic blocking device for the manhole of the flow channel of the hydropower station unit according to claim 1, wherein a circular through hole is formed in the top end of the supporting block (12), the liquid level controller (7) is assembled in the circular through hole, two L-shaped supporting rods are symmetrically and fixedly installed at the bottom end of the supporting block (12), the L-shaped supporting rods are attached to the liquid level controller (7), two fixing blocks (24) are symmetrically and fixedly installed at the front end of the supporting block (12), a rotating pin (25) is rotatably installed between the two fixing blocks (24), a rotating rod I (20) is fixedly installed on the annular side surface of the rotating pin (25), a torsion spring I (26) is fixedly installed on the annular side surface of the rotating pin (25), the outer side of the torsion spring I (26) is fixedly installed in the fixing blocks (24), and the bottom end of the rotating rod I (20) is vertically aligned with the inclined block (18), the inside antetheca of circular through-hole has seted up the recess, and the inside slidable mounting of recess has clamp splice (22), clamp splice (22) front end intermediate position fixed mounting has connecting rod (21), and the connecting rod (21) other end passes supporting shoe (12) and laminates mutually with dwang one (20), install spring two (23) on connecting rod (21) annular side, and spring two (23) both ends respectively fixed mounting on clamp splice (22) and on the inside antetheca of recess.
6. The emergency automatic plugging device for the manhole of the hydropower station unit flow channel as claimed in claim 1, wherein an L-shaped groove is formed in the left wall inside the outer gallery (1), a cylinder (27) is fixedly mounted inside the L-shaped groove, the bottom end of the air supply pipe (10) is mounted on the cylinder (27), an air pipe (29) is mounted on the lower side of the annular side surface of the cylinder (27), the air pipe (29) is connected with the plugging air bag (4), a piston (28) is slidably mounted inside the cylinder (27), and the piston (28) is mounted between the air supply pipe (10) and the air pipe (29).
7. The emergency automatic blocking device for the manhole of the hydropower station unit runner according to claim 6, wherein a T-shaped square block (30) is slidably mounted at the rear end of the cylinder (27), the front end of the T-shaped square block (30) extends into the cylinder (27) and is connected with a piston (28), a strip-shaped groove is formed in the bottom end of the L-shaped groove, a first fixing pin (33) is fixedly mounted in the strip-shaped groove, a second rotating rod (31) is rotatably mounted on the annular side surface of the first fixing pin (33), a conical block (32) is fixedly mounted on the front side of the top end of the second rotating rod (31), a second torsion spring (34) is mounted on the annular side surface of the first fixing pin (33), and the outer side of the second torsion spring (34) is fixedly mounted inside the second rotating rod (31).
8. The emergency automatic plugging device for the manhole of the hydropower station unit flow channel according to claim 7, it is characterized in that a second fixing pin (37) is fixedly arranged in the L-shaped groove, a pressing block (35) is rotatably arranged on the annular side surface of the second fixing pin (37), a magnetic block (36) is fixedly arranged at the bottom end in the L-shaped groove, the top end of the magnetic block (36) is attached to the pressing block (35), the upper side of the rear end of the rotating rod II (31) is attached to the bottom end of the pressing block (35), the right end of the pressing block (35) extends to the outer side of the L-shaped groove and is jointed with the plugging air bag (4), a third torsion spring (38) is fixedly arranged on the annular side surface of the second fixing pin (37), and the outer side of the third torsion spring (38) is fixedly installed inside the pressing block (35), the initial position of the third torsion spring (38) is in a compression state, and the leakage stoppage air bag (4) is provided with a pressure release valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111598317.6A CN114277745B (en) | 2021-12-24 | 2021-12-24 | Emergency automatic plugging device for flow passage inlet and outlet of hydropower station unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111598317.6A CN114277745B (en) | 2021-12-24 | 2021-12-24 | Emergency automatic plugging device for flow passage inlet and outlet of hydropower station unit |
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| CN114277745B CN114277745B (en) | 2024-03-01 |
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| CN114277745B (en) | 2024-03-01 |
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