Hydroelectric power water inlet pipeline protection and cleaning device
Technical Field
The invention belongs to the field of water conservancy power generation, and particularly relates to a water conservancy power generation water inlet pipeline protecting and cleaning device.
Background
As is known, hydroelectric power generation is a conversion process in which hydraulic power is used to drive a hydraulic machine to rotate so as to convert water energy into mechanical energy, and hydroelectric power generation is in a sense that the potential energy of water is converted into mechanical energy and then into electric energy.
In the hydroelectric technology, the water inlet pipe is an important channel for connecting a water source and a generator set, the water inlet pipe bears the impact of main pressure and water flow, rock falls frequently on a hillside in a mountainous area, great harm is caused to the pressure pipe, and the water inlet pipe is broken to cause serious damage to the generator set and even endanger downstream buildings.
And the oral siphon needs carry out simple filtration with the rivers that get into, and the rubbish and the silt of discharge mixing in the aquatic avoid the generator impaired, consequently need set up the filter screen in the pipeline, but the inside filter screen of pipeline is clean very inconvenient, and the life-span is shorter.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a hydroelectric power generation water inlet pipeline protecting and cleaning device which can protect a water inlet pipeline of hydroelectric power generation in a mountain area and can automatically clean a filter screen of the water inlet pipeline.
The purpose of the invention can be realized by the following technical scheme: a hydroelectric power generation water inlet pipeline protection and cleaning device comprises a shell and is characterized in that a concrete base is fixedly arranged at the lower end of the shell, the shell is a part of pipeline connected with a hydroelectric generating set, three sealing cavities are uniformly and fixedly arranged on the shell at the upper end of the concrete base along the circumferential direction, and three conical head sliding rods arranged in a shape like a Chinese character 'pin' are arranged in each sealing cavity in a sliding manner;
the buffer plate is fixedly arranged at the upper end of the corresponding connecting rod, a plurality of conical head sliding rods are arranged on the buffer plate, the lower ends of the conical head sliding rods are conical, the conical head sliding rods can deviate a certain angle in the corresponding grooves on the buffer plate, and springs are connected between the conical head sliding rods and the buffer plate;
the baffle, the baffle presents the arc, every the top of buffer board all is equipped with the baffle, the baffle with a plurality of on the buffer board conical head slide bar sliding connection, every section three on the casing the baffle presents the surrounding shape.
Further, the pipeline protection device is including even fixed setting three of casing the first half the seal chamber, every set up the three spout that is the article font and arranges on the seal chamber, it is three the connecting rod is in respectively the last spout that corresponds of seal chamber slides, every the through-hole has been seted up on the casing of spout lower extreme, every the through-hole on the casing is inside around the symmetry be equipped with two chutes, it is three fixed being equipped with the slide bar on the connecting rod, the slide bar with on the through-hole chute sliding connection.
Furthermore, three connecting rods are provided with a first water baffle in a sliding mode, the first water baffle is connected with the sealed cavity in a sliding mode, the surface of the first water baffle is made of wear-resistant rubber materials, lubricating oil is coated on the sliding contact surface of the first water baffle and the sealed cavity, three extension plates are uniformly and fixedly arranged inside the shell, and the three extension plates are located under the corresponding sealed cavity respectively.
Furthermore, every set up the three shallow spout that is the article font and arranges on the extension plate, every it is equipped with the second fender to slide on the shallow spout, the second fender with be connected with extrusion spring between the extension plate, every the fixed power board that is equipped with of connecting rod lower extreme, the power board with second fender sliding connection, the power board is the harder polymerization plastic slab of texture, and the oar head of the similar oar of whole thinner whole shape.
Further, it is fixed to set up three on the connecting rod be equipped with a plurality of recesses on the buffer board, the one-to-one slides on the recess and is equipped with the conical head slide bar, the conical head slide bar wholly presents the frustum shape, the conical head of conical head slide bar lower extreme is last to be fixed to be equipped with spherical knot, and then the recess department that the conical head slide bar can be located rotates certain range, spherical knot with buffer board sliding connection, spherical knot with be connected with the spring between the buffer board.
Furthermore, be equipped with a plurality of long spouts on the baffle, every long spout with corresponding one row the conical head slide bar sliding connection, three it is articulated to be equipped with the articulated slab between the baffle, the articulated slab has certain ductility, both can produce certain deformation under the condition that receives external force to can kick-back by oneself after not receiving the power.
Further, cleaning device is including setting up the inside arc spout of casing, the inside slip of arc spout is equipped with the slip breakwater, the slip breakwater is when not receiving the exogenic action, the both ends of slip breakwater can keep the level, slip breakwater middle part is equipped with the water drainage tank that link up on the lower side, the water drainage tank is a curved elongated slot, on the slip breakwater the water drainage tank both sides are equipped with the filter screen, avoid sneaking into the filth, the fixed articulated joint that is equipped with on the slip breakwater, the articulated joint is equipped with the buoyancy piece that is equipped with, the buoyancy piece is a buoyancy piece that has stronger buoyancy, and when the buoyancy piece received buoyancy influence, can drive fixed being equipped with the articulated joint the one end of slip breakwater rises and descends.
Further, the inside chamber that catchments that is equipped with of casing, the inside chamber that catchments of casing is rotated directly over and is equipped with the slip ring, the slip ring has good leakproofness, even when rotating the inside liquid of chamber that catchments can not spill over yet, the slip ring is gone up and is fixed along the circumferencial direction and is equipped with a plurality of turbine blades, turbine blade is in the intracavity that catchments, the fixed grid board that is equipped with on the slip ring, the grid board is the board that leaks that a big grid intersects and constitutes, fixed being equipped with in every net on the grid board stabs the pole, the pole front end of stabing is the toper, and is whole tiny and extremely wear-resisting, the slip is gone up to slide and is equipped with the filter screen on the slip ring, be connected with reset spring between filter screen and the grid board, reset spring material is the stainless steel, the pole stabs the mesh that can be light pass on the filter screen and leave great clearance, the slip ring is provided with a plurality of spring buckles in a sliding mode, and the spring buckles are used for limiting the displacement of the filter screen.
Further, be equipped with the water strainer on the inside lateral wall of casing, the inside one side that is located water collecting cavity (25) and keeps away from the water strainer of casing is equipped with the pressure release hole, the hole of water strainer rear side with water collecting cavity with the pressure release hole intercommunication, be equipped with the motor on the lateral wall behind the casing, be connected with electric scraper in the pivot of motor, electric scraper can accomodate in the recess on the lateral wall on the casing, the recess not with water collecting cavity intercommunication, and when electric scraper is in the state of accomodating, there is the part of overlapping filter screen and electric scraper, only when the filter screen move left with when electric scraper breaks away from, electric scraper just can pop out, the inside collection mouth that is equipped with of casing, collect the mouth and be the garbage collection mouth that can only just open receiving electric scraper extrusion force.
When the pipeline meets objects which may harm the pipeline, such as falling stones, and the like, the heavy object firstly falls on the baffle outside the shell, due to the non-uniformity of stress, the cone head slide bar on the baffle is driven to deflect by a certain angle, other baffles are driven to move to a certain degree through the hinged plate, the received force is dispersed to a certain degree, the local bearing force is reduced, then the heavy object is continuously pressed downwards, the baffle pushes the buffer plate to move downwards through the buffering of the spring between the cone head slide bar and the buffer plate, the buffer plate drives the connecting rod to move downwards, the sliding rod on the connecting rod is driven to slide on the chute, the connecting rod moves downwards and moves rightwards at the same time, the power plate is driven to extend and move rightwards, meanwhile, the connecting rod drives the buffer plate, the cone head slide bar moves rightwards on the baffle, the baffle at the moment is in a contraction state, and the heavy object is outside the pipeline, with isolated outside the pipeline such as rubble, effectual protection pipeline is not damaged, can disperse the power that receives simultaneously, avoids the atress too big pipeline protection device to damage.
When the power plate stretches out from the extension plate, the power plate drives the second water retaining plate to move rightwards, three connecting rods simultaneously drive the first water retaining plate to move rightwards, the sealing of the pipeline is guaranteed, the water flow inside the pipeline cannot overflow, because the inside of the shell is always through the high-speed high-pressure water flow, and then the power plate stretched out is pushed to move leftwards, the power plate drives the sliding rod on the connecting rod to slide leftwards on the chute, and then the connecting rod drives the buffer plate to move leftwards and upwards, and then the plurality of conical head sliding rods are driven to move leftwards, so that the baffle is moved upwards, the heavy objects on the upper end of the baffle are pushed away, the heavy objects are prevented from being accumulated, the pipeline is further damaged, the impact force of the water flow can be utilized, the power plate is driven to move, and then the broken stones are pushed away, the accumulation of the broken stones is avoided to be too much, and the service life of the pipeline is damaged.
When the filter screen on one side of the pipeline is blocked, because the filter screen is blocked, the water amount on the left side of the filter screen is reduced, and further the liquid level on the left side of the filter screen is reduced, so that the height of the buoyancy block is reduced, and further the sliding water bar slides on the arc-shaped sliding groove, so that the water drainage groove in the middle of the sliding water bar is communicated with the pressure relief hole, when the heights on the two sides of the sliding water bar reach the horizontal state, the water drainage groove and the pressure relief hole are communicated to the maximum extent, at the moment, the water flow enters the water collection cavity from the water filter screen, and further pushes a plurality of turbine blades on the sliding ring, so that the sliding ring rotates, and drives the grid plate and the filter screen to rotate, because the filter screen is blocked, and further the water flow pushes the filter screen to move leftwards, so that the reset spring is compressed, when the filter screen is contacted with the poking rods on the grid plate, the poking rods push away objects blocked on the pores on the filter screen pores, and meanwhile, the extrusion force on the gaps with deformation can be repaired, simultaneously, the filter screen and the back of stabbing the pole contact, the filter screen breaks away from with electric scraper, make the motor can control electric scraper and rotate, make electric scraper upper end be in the centre of a circle department of filter screen, and then electric scraper will stab the filth that the pole released from the filter screen, collect through the pivoted filter screen with the filter screen on the surface attachment, after the collection finishes, control electric scraper rotates, make electric scraper drive rubbish extrusion collection mouth, make rubbish get into the inside completion of collection mouth and collect, can utilize the switch in buoyancy control pressure release hole of buoyancy piece, judge according to this whether the filter screen blocks up, and the impact force through pressure release rivers drives the filter screen and rotates, accomplish cleanly.
Drawings
Figure 1 is an external schematic view of a hydroelectric inlet line protection and cleaning apparatus.
Figure 2 is an internal cross-sectional view of the hydroelectric inlet line protecting and cleaning apparatus.
Fig. 3 is a sectional view taken along a-a in fig. 2.
Fig. 4 is an enlarged sectional view at B in fig. 2.
Fig. 5 is an enlarged sectional view at C in fig. 2.
Figure 6 is a partial cross-sectional view of the hydroelectric inlet line protecting and cleaning apparatus.
In the figure, 10, the housing; 11. a concrete base; 12. sealing the cavity; 13. a baffle plate; 14. filtering with a screen; 15. a water filtering net; 16. an electric scraper; 17. sliding the water retaining strip; 18. a pressure relief vent; 19. an extension plate; 20. a second water baffle; 21. a power plate; 22. a buffer plate; 23. a conical head slide bar; 24. a connecting rod; 25. a water collection cavity; 26. a slip ring; 27. a turbine blade; 28. a grid plate; 29. a return spring; 30. a poke rod; 31. a spring buckle; 32. a slide bar; 33. a chute; 34. a compression spring; 35. a hinge joint; 36. a buoyancy block; 37. a hinge plate; 38. a first water baffle; 39. a collection port.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the water conservancy power generation inlet pipeline protection and cleaning device comprises a shell 10 and is characterized in that a concrete base 11 is fixedly arranged at the lower end of the shell 10, the shell 10 is a part of pipeline connected with a water conservancy generator set, three sealing cavities 12 are uniformly and fixedly arranged on the shell 10 at the upper end of the concrete base 11 along the circumferential direction, and three cone-head sliding rods 23 which are arranged in a triangular shape are arranged in each sealing cavity 12 in a sliding manner; the buffer plate 22 is fixedly arranged at the upper end of the corresponding connecting rod 24, a plurality of conical head sliding rods 23 are arranged on the buffer plate 22, the lower ends of the conical head sliding rods 23 are conical, the conical head sliding rods 23 can deviate a certain angle in corresponding grooves on the buffer plate 22, and springs are connected between the conical head sliding rods 23 and the buffer plate 22; the baffles 13 and the baffles 13 are arc-shaped, the baffles 13 are arranged above each buffer plate 22, the baffles 13 are slidably connected with a plurality of conical head sliding rods 23 on the buffer plates 22, and the three baffles 13 on each section of the shell 10 are in an enclosing shape.
As shown in fig. 1, 2 and 3, the pipeline protection device includes three sealing cavities 12 uniformly and fixedly disposed on the upper half portion of the casing 10, three sliding grooves arranged in a shape like a Chinese character 'pin' are disposed on each sealing cavity 12, three connecting rods 24 respectively slide on the corresponding sliding grooves of the sealing cavities 12, a through hole is disposed on the casing 10 at the lower end of each sliding groove, two inclined grooves 33 are symmetrically disposed in front and back of the through hole of each casing 10, a sliding rod 32 is fixedly disposed on each connecting rod 24, and the sliding rod 32 is slidably connected with the inclined grooves 33 on the through hole.
As shown in fig. 2, 3 and 5, the three connecting rods 24 are slidably provided with a first water baffle 38, the first water baffle 38 is slidably connected with the sealed cavity 12, the surface of the first water baffle 38 is made of wear-resistant rubber material, lubricating oil is coated on the sliding contact surface of the first water baffle 38 and the sealed cavity 12, three extension plates 19 are uniformly and fixedly provided inside the housing 10, and the three extension plates 19 are respectively located right below the corresponding sealed cavities 12.
As shown in fig. 2 and 5, each extension plate 19 is provided with three shallow chutes arranged in a delta shape, each shallow chute is provided with a second water baffle 20 in a sliding manner, an extrusion spring 34 is connected between the second water baffle 20 and the extension plate 19, the lower end of each connecting rod 24 is fixedly provided with a power plate 21, the power plate 21 is connected with the second water baffle 20 in a sliding manner, the power plate 21 is a polymer plastic plate with hard texture, and the overall thin overall shape is similar to the shape of a paddle.
As shown in fig. 2, 3 and 5, a plurality of grooves are formed in three buffer plates 22 fixedly arranged on a connecting rod 24, conical head sliding rods 23 are arranged on the grooves in a one-to-one sliding mode, the conical head sliding rods 23 are integrally in a frustum shape, spherical knots are fixedly arranged on conical heads at the lower ends of the conical head sliding rods 23, the conical head sliding rods 23 can rotate in the grooves where the conical head sliding rods 23 are located to a certain extent, the spherical knots are slidably connected with the buffer plates 22, and springs are connected between the spherical knots and the buffer plates 22.
As shown in fig. 1, 2 and 3, the baffles 13 are provided with a plurality of long sliding grooves, each long sliding groove is slidably connected with a corresponding row of conical-head sliding rods 23, hinge plates 37 are hinged between the three baffles 13, and the hinge plates 37 have certain ductility, can deform to a certain extent under the condition of external force, and can rebound automatically after being not subjected to the external force.
As shown in fig. 2, fig. 3 and fig. 6, the cleaning device includes an arc-shaped sliding groove arranged inside the housing 10, a sliding water bar 17 is arranged inside the arc-shaped sliding groove in a sliding manner, when the sliding water bar 17 is not acted by an external force, two ends of the sliding water bar 17 can be kept horizontal, a through water drainage groove is arranged below the middle of the sliding water bar 17, the water drainage groove is an arc-shaped long groove, filter screens are arranged on two sides of the water drainage groove on the sliding water bar 17, so as to avoid contamination, a hinge joint 35 is fixedly arranged on the sliding water bar 17, a buoyancy block 36 is hinged on the hinge joint 35, the buoyancy block 36 is a buoyancy block with strong buoyancy, and when the buoyancy block 36 is influenced by buoyancy, one end of the sliding water bar 17 fixedly provided with the hinge joint 35 can be driven to ascend and descend.
As shown in fig. 2, 3 and 4, a water collecting cavity 25 is provided inside the casing 10, a sliding ring 26 is rotatably provided right above the water collecting cavity 25 inside the casing 10, the sliding ring 26 has good sealing performance, even if liquid inside the water collecting cavity 25 does not overflow during rotation, a plurality of turbine blades 27 are fixedly provided on the sliding ring 26 along the circumferential direction, the turbine blades 27 are located inside the water collecting cavity 25, a grid plate 28 is fixedly provided on the sliding ring 26, the grid plate 28 is a water leaking plate formed by crossing large grids, a poking rod 30 is fixedly provided in each grid on the grid plate 28, the front end of the poking rod 30 is conical, the whole is fine and extremely wear-resistant, a filter screen 14 is slidably provided on the sliding ring 26, a return spring 29 is connected between the filter screen 14 and the grid plate 28, the return spring 29 is made of stainless steel, the poking rod 30 can easily pass through the grid holes on the filter screen 14 and leave a large gap, the sliding ring 26 is slidably provided with a plurality of spring buckles 31, and the spring buckles 31 are used for limiting the displacement of the filter screen 14.
As shown in fig. 2 and 3, a water filter screen 15 is arranged on a side wall inside the housing 10, a pressure relief hole 18 is arranged on one side, away from the water filter screen 15, of the water collection cavity 25 inside the housing 10, a hole at the rear side of the water filter screen 15 is communicated with the water collection cavity 25 and the pressure relief hole 18, a motor is arranged on the rear side wall of the housing 10, an electric scraper 16 is connected to a rotating shaft of the motor, the electric scraper 16 can be accommodated in a groove on the side wall on the housing 10, the groove is not communicated with the water collection cavity 25, and when the electric scraper 16 is in an accommodating state, the filter screen 14 and the electric scraper 16 are overlapped, only when the filter screen 14 moves leftwards and is separated from the electric scraper 16, the electric scraper 16 can be ejected, a collection port 39 is arranged inside the housing 10, and the collection port 39 is a garbage collection port which can be opened only when being subjected to the extrusion force of the electric scraper 16.
When the pipeline encounters an object which may harm the pipeline, such as falling rocks, a heavy object is firstly hit on the baffle 13 outside the housing 10, due to the non-uniformity of the stress, the cone head slide rod 23 on the baffle 13 is driven to deflect by a certain angle, and the other baffles 13 are driven to move to a certain degree through the hinged plate 37, the received force is dispersed to a certain degree, so that the local bearing force is reduced, then the heavy object is continuously pressed downwards, the baffle 13 pushes the buffer plate 22 to move downwards through the buffering of the spring between the cone head slide rod 23 and the buffer plate 22, and the buffer plate 22 drives the connecting rod 24 to move downwards, the sliding rod 32 on the connecting rod 24 is driven to slide on the chute 33, so that the connecting rod 24 moves rightwards while moving downwards, and the power plate 21 is driven to extend out and move rightwards, and meanwhile, the connecting rod 24 drives the buffer plate 22, so that the cone head slide rod 23 is on the baffle 13, baffle 13 at this moment is in the shrink state, and both the heavy object is outside the pipeline, with the rubble etc. completely cut off outside the pipeline, effectual protection pipeline is not damaged, can disperse the power that receives simultaneously, avoids the atress too big pipeline protection device damage that leads to.
When the power plate 21 extends out of the extension plate 19, the power plate 21 drives the second water baffle 20 to move rightwards, meanwhile, the three connecting rods 24 drive the first water baffle 38 to move rightwards, so that the sealing of the pipeline is ensured, the water flow in the pipeline cannot overflow, since high-speed and high-pressure water flow passes through the interior of the housing 10 all the time, and the water flow pushes the extended power plate 21 to move leftwards, so that the power plate 21 drives the sliding rod 32 on the connecting rod 24 to slide leftwards on the inclined groove 33, the connecting rod 24 drives the buffer plate 22 to move to the upper left, and further drives the plurality of conical head sliding rods 23 to move to the upper left, make baffle 13 shift up, push away the heavy object of baffle 13 upper end, prevent that the heavy object from piling up, further harm the pipeline, can utilize the impact force of rivers, drive power plate 21 and remove, and then push away the rubble, avoid the rubble to pile up too much, harm the life of pipeline.
When the filter screen on one side of the pipeline is blocked, because the filter screen is blocked, the water amount on the left side of the filter screen is reduced, and further the liquid level on the left side of the filter screen is reduced, so that the height of the buoyancy block 36 is reduced, and further the sliding water bar 17 slides on the arc-shaped sliding groove, so that the water discharge groove in the middle of the sliding water bar 17 is communicated with the pressure release hole 18, when the heights on the two sides of the sliding water bar 17 reach the horizontal state, the water discharge groove is communicated with the pressure release hole 18 to the maximum extent, at this time, the water flow enters the water collection cavity 25 from the water filter screen 15, and further pushes a plurality of turbine blades 27 on the sliding ring 26, so that the sliding ring 26 rotates to drive the grid plate 28 and the filter screen 14 to rotate, because the filter screen 14 is blocked, and further the water flow pushes the filter screen 14 to move leftwards, so that the reset spring 29 is compressed, after the filter screen 14 is contacted with the poking rod 30 on the grid plate 28, the poking rod 30 pushes away objects blocked on the pores of the filter screen 14, and meanwhile, the extrusion force of the gaps can be applied to the gaps through the poking rod 30, repair the space that produces deformation to the part, simultaneously, filter screen 14 and stabbing pole 30 after contact, filter screen 14 breaks away from with electronic scraper blade 16, make the motor can control electronic scraper blade 16 and rotate, make electronic scraper blade 16 upper end be in filter screen 14's centre of a circle department, and then electronic scraper blade 16 will stab the filth that pole 30 released from filter screen 14, collect through pivoted filter screen 14 with filter screen 14 on the surface attachment, after the collection finishes, control electronic scraper blade 16 rotates, make electronic scraper blade 16 drive rubbish extrusion collection mouth 39, make rubbish get into and collect the inside completion of mouth 39 and collect, can utilize the switch in buoyancy control pressure release hole 18 of buoyancy piece 36, judge according to this whether the filter screen blocks up, and the impact force through pressure release rivers drives the filter screen and rotates, accomplish cleanly.
Compared with the prior art, this hydroelectric power water intaking pipeline protection and cleaning device has following advantage:
1. with isolated outside the pipeline such as rubble, effectual protection pipeline is not damaged, can disperse the power that receives simultaneously, avoids the atress too big pipeline protection device to damage.
2. Can utilize the impact force of rivers, drive the power board and remove, and then push the rubble open, avoid the rubble to pile up too much, harm the life of pipeline.
3. The switch of the pressure relief hole 18 can be controlled by utilizing the buoyancy of the buoyancy block, so that whether the filter screen is blocked or not is judged, and the filter screen is driven to rotate by the impact force of pressure relief water flow, so that cleaning is completed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.