CN216339354U - Power station water inlet scrubbing device - Google Patents

Abstract

The utility model discloses a water inlet decontamination device for a hydropower station, which relates to the technical field of decontamination of the hydropower station and comprises a frame connected with one side of an operation platform, two trash racks arranged in the frame, a lifting mechanism and a plurality of supporting and guiding mechanisms respectively arranged on the operation platform, wherein the lifting mechanism is partially contacted with each supporting and guiding mechanism; the frame is provided with two sliding grooves, the two trash racks are movably installed in the two sliding grooves respectively, and the lifting mechanism can drive the two trash racks to lift along the two sliding grooves respectively. According to the utility model, the frame is arranged at the water inlet of the hydropower station, the two trash racks are movably arranged in the frame, when the trash racks need to be cleaned, the two trash racks are sequentially lifted by the lifting mechanism to be cleaned, so that the trash racks stop floaters at the water inlet of the hydropower station all the time, and the problem that only one trash rack is arranged is effectively solved, and when the trash racks are lifted to be cleaned, the hydropower station loses the capability of stopping the floaters.

Description

Power station water inlet scrubbing device

Technical Field

The utility model relates to the technical field of hydropower station decontamination, in particular to a hydropower station water inlet decontamination device.

Background

The hydropower station mainly converts potential energy and kinetic energy of water into electric energy in the power generation process, and compared with the traditional thermal power generation, the hydroelectric power generation does not cause any pollution, so the hydroelectric power generation is the key point of the development of the country in the aspect of electric power. In the power generation process of a hydropower station, a trash rack is usually required to be arranged at a water inlet of the hydropower station, the trash rack can block floating objects such as branches, sundries and plastic bags on water, and the floating objects are prevented from flowing into a generator set to damage the generator set.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

Aiming at the problems, the utility model provides a water inlet decontamination device for a hydropower station, which solves the problem that when a single trash rack at the water inlet of the hydropower station is lifted and cleaned, the water inlet loses the capability of blocking floating objects.

The technical scheme adopted by the utility model is as follows: a water inlet decontamination device for a hydropower station comprises a frame, trash racks, an operation platform, a supporting and guiding mechanism and a lifting mechanism, wherein one side of the operation platform is connected with the frame, two trash racks are movably arranged in the frame, the operation platform is respectively provided with the lifting mechanism and a plurality of supporting and guiding mechanisms which are sequentially arranged, the lifting mechanism is partially contacted with the supporting and guiding mechanisms, and the lifting mechanism can respectively drive the two trash racks to lift along the frame through the supporting and guiding mechanisms; the frame is provided with two front and back sliding grooves which are spaced, the two trash racks are movably installed in the two sliding grooves respectively, and the lifting mechanism can drive the two trash racks to lift along the two sliding grooves respectively through the supporting and guiding mechanisms.

Further, elevating system includes motor, drive sprocket, driven sprocket, chain, pivot, spooler, supporter and lifting rope, is located the rearmost support the guiding mechanism outside and be equipped with two supporters, two rotationally be connected with the pivot between the supporter, the cover is equipped with driven sprocket and two spoolers respectively in the pivot, and two the spooler is located driven sprocket's both sides respectively, pivot one side is equipped with the motor, the cover is equipped with drive sprocket on the output shaft of motor, the meshing has same chain, two on drive sprocket and the driven sprocket all the winding has the lifting rope, two on the spooler respectively the lifting rope is walked around each and is supported guiding mechanism and a trash rack and can dismantle the connection.

Furthermore, the number of the supporting and guiding mechanisms is two, and the two lifting ropes are wound around the two supporting and guiding mechanisms and detachably connected with a trash rack.

Furthermore, the supporting and guiding mechanism comprises upright columns, a cross rod and pulleys, two upright columns connected with the operating platform are arranged behind the frame, the cross rod is connected between the two upright columns, the two pulleys are arranged on the cross rod in a spacing sleeve mode, and the two lifting ropes are detachably connected with the trash rack by respectively bypassing the two pulleys.

Furthermore, two hanging sleeves are arranged at the top end of the trash rack, one ends of the two lifting ropes, which are wound around the two supporting and guiding mechanisms, are connected with hooks, and the two hooks are respectively hung on the two hanging sleeves.

Furthermore, be located the preceding trash rack is close to bottom department and is equipped with the bar groove, bar inslot detachably is connected with drags for the dirty board, and drags for the dirty board and extend the bar groove.

Furthermore, a plurality of locking devices are further arranged on the trash rack positioned in front, and each locking device can lock and unlock the trash scooping plate in the strip-shaped groove.

Furthermore, the locking device comprises a lock cylinder, a pull rod and a spring, a slot and an operation groove are arranged in the trash rack positioned in front, the slot is communicated with the strip-shaped groove, the operation groove is respectively communicated with the slot and the outside, a slidable lock cylinder is arranged in the slot, the spring is connected between the lock cylinder and the side wall of the slot, and the slidable pull rod is arranged in the operation groove; one end of the pull rod is connected with the lock cylinder, the other end of the pull rod extends out of the operation groove, the dirt fishing plate is provided with a jack matched with the lock cylinder, and the lock cylinder can be inserted into the jack.

Furthermore, a plurality of through holes are arranged on the sewage salvaging plate.

The utility model has the advantages that: the utility model arranges a frame at the water inlet of the hydropower station, two chutes which are spaced from each other at the front and the back are arranged on the frame, and two trash racks are respectively movably arranged in the two chutes, when the trash rack needs to be cleaned, the lifting mechanism firstly lifts the first trash rack along the first sliding groove of the frame through each supporting and guiding mechanism, then cleaning is carried out, the second trash rack still blocks the water inlet of the hydropower station to block the floating objects, after the first trash rack is cleaned, the trash rack is placed back into the first sliding groove of the frame, then the second trash rack is lifted for cleaning, and the second trash rack is placed back into the corresponding sliding groove after cleaning. Meanwhile, the utility model has simple structure and strong practicability and is worth of being widely popularized.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the lift mechanism of the present invention;

FIG. 3 is a schematic structural view of the support and guide mechanism of the present invention;

FIG. 4 is a schematic view of the frame construction of the present invention;

FIG. 5 is a schematic view of the structure of the trash rack of the present invention installed in a frame;

FIG. 6 is a schematic view of the construction of the drive sprocket of the present invention driving the driven sprocket via a chain;

FIG. 7 is a side cross-sectional view of the locking device of the present invention;

FIG. 8 is a schematic view of a sewage salvaging plate structure of the present invention.

Reference numerals: 1 is a frame; 2 is a trash rack; 3 is an operation table; 4, a supporting guide mechanism; 41 is a column; 42 is a cross bar; 43 is a pulley; 5 is a lifting mechanism; 51 is a motor; 52 is a drive sprocket; 53 is a driven sprocket; 54 is a chain; 55 is a rotating shaft; 56 is a winder; 57 is a support body; 58 is a lifting rope; 6, a chute; 7 is a hanging sleeve; 8 is a hook; 9 is a strip-shaped groove; 10 is a sewage fishing plate; 11 is a locking device; 111 is a lock core; 112 is a pull rod; 113 is a spring; 12 is a slot; 13 is an operation groove; 14 is a through hole; and 15 is a jack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 8, a water inlet decontamination device for a hydropower station comprises a frame 1, a trash rack 2, an operation platform 3, a supporting and guiding mechanism 4 and a lifting mechanism 5, wherein the frame 1 is connected to one side of the operation platform 3, two trash racks 2 are movably mounted in the frame 1, the trash rack 2 mainly blocks floating objects on water and prevents the floating objects from entering a unit, the operation platform 3 is respectively provided with the lifting mechanism 5 and a plurality of supporting and guiding mechanisms 4 which are sequentially arranged, the lifting mechanism 5 is partially contacted with the supporting and guiding mechanisms 4, the lifting mechanism 5 can respectively drive the two trash racks 2 to lift along the frame 1 through the supporting and guiding mechanisms 4, the supporting and guiding mechanisms 4 mainly assist the lifting mechanism 5 to lift the trash racks 2, and when the trash racks 2 are lifted, related personnel can clean the trash racks 2; the frame 1 is provided with two chutes 6 spaced front and back, the two trash racks 2 are movably mounted in the two chutes 6, the lifting mechanism 5 can respectively drive the two trash racks 2 to lift along the two chutes 6 through the supporting and guiding mechanisms 4, when the two trash racks 2 need to be cleaned in sequence, the lifting mechanism 5 firstly lifts the first trash rack 2 along the first chute 6 of the frame 1 through the assistance of the supporting and guiding mechanisms 4, then cleans the first trash rack, at the moment, the second trash rack 2 still blocks floating objects at the water inlet of the hydropower station, after the first trash rack 2 is cleaned, the trash rack 2 is put back into the first chute 6 of the frame 1, then the second trash rack 2 is lifted for cleaning, and after the cleaning is finished, the second trash rack 2 is put back into the corresponding chute 6, compared with the prior art that only one trash rack 2 is arranged at the water inlet of the hydropower station, the two trash racks 2 are arranged, so that the problem that the water inlet of the hydropower station loses the capacity of blocking floating objects on water when the trash racks 2 are lifted and cleaned can be effectively solved.

Elevating system 5 includes motor 51, drive sprocket 52, driven sprocket 53, chain 54, pivot 55, spooler 56, supporter 57 and lifting rope 58, the outside that is located rearmost support guiding mechanism 4 is equipped with two supporters 57, rotationally be connected with pivot 55 between two supporters 57, the cover is equipped with driven sprocket 53 and two spoolers 56 on the pivot 55 respectively, and two spoolers 56 are located the both sides of driven sprocket 53 respectively, pivot 55 one side is equipped with motor 51, the cover is equipped with drive sprocket 52 on the output shaft of motor 51, the meshing has same chain 54 on drive sprocket 52 and the driven sprocket 53, all twine lifting rope 58 on two spoolers 56, two lifting rope 58 all walk around each support guiding mechanism 4 and a trash rack 2 can dismantle the connection. Preferably, the lifting rope 58 is a steel wire rope, which has high strength and can bear large tensile force. When the trash rack 2 needs to be lifted, the motor 51 is started to rotate positively, the motor 51 drives the driving chain wheel 52 to rotate, the driving chain wheel 52 drives the driven chain wheel 53 to rotate through the transmission action of the chain 54, the driven chain wheel 53 drives the rotating shaft 55 to rotate, the rotating shaft 55 drives the two wire winders 56 to rotate, when the two wire winders 56 rotate, the lifting rope 58 is enabled to be continuously wound on the wire winders 56, the lifting rope 58 is enabled to lift the trash rack 2 through the supporting and guiding action of the supporting and guiding mechanisms 4, when the trash rack 2 needs to be placed back into the sliding chute 6 of the frame 1, the motor 51 is started to rotate reversely, after a series of transmission, the two wire winders 56 rotate reversely, the lifting rope 58 is enabled to be continuously unwound from the wire winders 56, and the trash rack 2 returns into the sliding chute 6 of the frame 1 under the action of gravity.

The number of the supporting guide mechanisms 4 is two, the two lifting ropes 58 are wound around the two supporting guide mechanisms 4 and detachably connected with the trash rack 2, and the number of the supporting guide mechanisms 4 is two, so that cost saving can be achieved, and a better supporting effect can be achieved. The supporting and guiding mechanism 4 comprises upright columns 41, a cross rod 42 and pulleys 43, two upright columns 41 connected with the operating platform 3 are arranged behind the frame 1, the cross rod 42 is connected between the two upright columns 41, the two pulleys 43 are arranged on the cross rod 42 in a spacing sleeve mode, the two lifting ropes 58 can be detachably connected with the trash rack 2 by respectively bypassing the two pulleys 43, when the trash rack 2 is lifted or lowered, the two lifting ropes 58 are respectively attached to the two pulleys 43, the pulleys 43 have a guiding effect on the lifting ropes 58, the horizontal direction pulling force of the lifting ropes 58 can be converted into the vertical direction, and therefore the trash rack 2 is lifted or lowered, and meanwhile, the two upright columns 41, the cross rod 42 and the pulleys 43 are combined to further support the lifting ropes 58. Be equipped with two on the trash rack 2 top and hang cover 7, two lifting ropes 58 walk around two one ends that support guiding mechanism 4 and all are connected with couple 8, and two couples 8 articulate respectively on two hang covers 7, hang the setting up of cover 7 and couple 8 and realized that lifting rope 58 and trash rack 2 can dismantle the connection, and then realized that elevating system 5 can be at any time with arbitrary trash rack 2 hoist and put back.

Be located preceding trash rack 2 and be close to bottom department and be equipped with bar groove 9, detachably is connected with and drags for dirty board 10 in bar groove 9, and drag for dirty board 10 and extend bar groove 9, because trash rack 2 has the filtration and block the effect, consequently, be located a lot of floaters of the gathering on the near surface of water of preceding trash rack 2, when current side trash rack 2 is hoisted, the connection is dragged for dirty board 10 on this trash rack 2 and can be followed trash rack 2 and rise together, drag for dirty board 10 and can hold the floaters on the surface of water at the in-process of rising, so, the cleanup crew is when clearing up trash rack 2, can also clear up the floaters of gathering on the near surface of water of trash rack 2 in the lump. Still be equipped with a plurality of locking device 11 on the trash rack 2 that is located the front, each locking device 11 can lock in bar groove 9 and from the unblock in bar groove 9 with dragging for dirty board 10, and locking device 11's setting makes trash rack 2 can be locked in bar groove 9, has prevented that rivers from will dragging for dirty board 10 and from dashing out in bar groove 9, when needing to drag for dirty board 10 and lift off, only need unblock locking device 11 can.

The locking device 11 comprises a lock cylinder 111, a pull rod 112 and a spring 113, a slot 12 and an operation slot 13 are arranged in the trash rack 2 positioned in front, the slot 12 is communicated with the strip-shaped slot 9, the operation slot 13 is respectively communicated with the slot 12 and the outside, the slot 12 is internally provided with the slidable lock cylinder 111, the spring 113 is connected between the lock cylinder 111 and the side wall of the slot 12, and the operation slot 13 is internally provided with the slidable pull rod 112; one end of the pull rod 112 is connected with the lock cylinder 111, the other end of the pull rod 112 extends out of the operation groove 13, the dirt salvaging plate 10 is provided with a jack 15 configured with the lock cylinder 111, the lock cylinder 111 can be inserted into the jack 15, when the dirt salvaging plate 10 is installed, the pull rod 112 is pulled first, the pull rod 112 drives the lock cylinder 111 to slide towards the slot 12, the spring 113 is compressed, when the lock cylinder 111 completely slides into the slot 12, the dirt salvaging plate 10 is inserted into the strip-shaped groove 9, then the pull rod 112 is loosened, the spring 113 is elastically released, the lock cylinder 111 is ejected from the slot 12 and inserted into the jack 15 of the dirt salvaging plate 10, and finally the dirt salvaging plate 10 is enabled to be locked into the strip-shaped groove 9; when the sewage fishing plate 10 needs to be unlocked from the strip-shaped groove 9, the pull rod 112 is pulled, and the lock cylinder 111 is moved out of the jack 15. Drag for and be equipped with a plurality of through-holes 14 that link up on dirty board 10, drag for dirty board 10 when aquatic rises, rivers can link up through-hole 14, have reduced and drag for the rivers resistance that the dirty board 10 receives when rising.

The use process of the utility model is as follows: when two trash racks 2 need to be sequentially lifted and cleaned, the motor 51 is started to rotate in a forward direction, the motor 51 drives the driving chain wheel 52 to rotate, the driving chain wheel 52 drives the driven chain wheel 53 to rotate through the transmission action of the chain 54, the driven chain wheel 53 drives the rotating shaft 55 to rotate, the rotating shaft 55 drives the two wire winders 56 to rotate, when the two wire winders 56 rotate, the lifting rope 58 is driven to continuously wind the wire winders 56, the lifting rope 58 is further driven to firstly lift the trash rack 2 positioned in front through the supporting and guiding action of the pulleys 43, when the trash rack 2 is about to slide out from the corresponding sliding groove 6 of the frame 1, the motor is turned off, the pull rod 112 is pulled to enable the lock cylinder 111 to move out of the jack 15, the trash fishing plate 10 is detached from the strip-shaped groove 9, then the motor 51 is turned on again to enable the trash rack 2 to be completely lifted, then floaters on the fishing plate 10 and the trash rack 2 are sequentially cleaned, after cleaning, the trash rack 2 needs to be placed back into the corresponding chute 6, the motor 51 is started to rotate reversely, after the trash rack 2 descends for a proper distance in the corresponding chute 6, the motor is turned off, the pull rod 112 is pulled to enable the lock cylinder 111 to completely slide into the slot 12, the trash fishing plate 10 is installed in the strip-shaped groove 9, the pull rod 112 is loosened to enable the lock cylinder 111 to be inserted into the jack 15, and then the motor 51 is started again to rotate reversely until the trash rack 2 is completely placed into the corresponding chute 6. And then hanging the hook 8 connected with the lifting rope 58 into the hanging sleeve 7 of the trash rack 2 positioned behind, starting the motor 51 to rotate forwards, hoisting and cleaning the trash rack 2, and after the cleaning is finished, putting the trash rack 2 back into the chute 6 positioned behind, thus finishing the whole cleaning work.

The utility model arranges a frame at the water inlet of the hydropower station, two chutes which are spaced from each other at the front and the back are arranged on the frame, and two trash racks are respectively movably arranged in the two chutes, when the trash rack needs to be cleaned, the lifting mechanism firstly lifts the first trash rack along the first sliding groove of the frame through each supporting and guiding mechanism, then cleaning is carried out, the second trash rack still blocks the water inlet of the hydropower station to block the floating objects, after the first trash rack is cleaned, the trash rack is placed back into the first sliding groove of the frame, then the second trash rack is lifted for cleaning, and the second trash rack is placed back into the corresponding sliding groove after cleaning. Meanwhile, the utility model has simple structure and strong practicability and is worth of being widely popularized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A water inlet decontamination device for a hydropower station is characterized by comprising a frame (1), trash racks (2), an operation platform (3), supporting guide mechanisms (4) and lifting mechanisms (5), wherein the frame (1) is connected to one side of the operation platform (3), the two trash racks (2) are movably mounted in the frame (1), the operation platform (3) is respectively provided with the lifting mechanisms (5) and a plurality of supporting guide mechanisms (4) which are sequentially arranged, the lifting mechanisms (5) are partially contacted with the supporting guide mechanisms (4), and the lifting mechanisms (5) can respectively drive the two trash racks (2) to lift along the frame (1) through the supporting guide mechanisms (4); frame (1) is last to be equipped with two front and back spaced spout (6), two trash rack (2) movably installs respectively in two spout (6), elevating system (5) can drive two trash rack (2) respectively through respectively supporting guiding mechanism (4) and go up and down along two spout (6).

2. The water inlet decontamination device of the hydropower station according to claim 1, wherein the lifting mechanism (5) comprises a motor (51), a driving sprocket (52), a driven sprocket (53), a chain (54), a rotating shaft (55), a winder (56), supporting bodies (57) and a lifting rope (58), two supporting bodies (57) are arranged on the outer side of the support guide mechanism (4) which is positioned at the rearmost position, the rotating shaft (55) is rotatably connected between the two supporting bodies (57), the driven sprocket (53) and the two winders (56) are respectively sleeved on the rotating shaft (55), the two winders (56) are respectively positioned on two sides of the driven sprocket (53), the motor (51) is arranged on one side of the rotating shaft (55), the driving sprocket (52) is sleeved on an output shaft of the motor (51), and the same chain (54) is engaged on the driving sprocket (52) and the driven sprocket (53), and lifting ropes (58) are wound on the two wire winders (56), and the two lifting ropes (58) are wound around the supporting guide mechanisms (4) and the trash rack (2) and are detachably connected.

3. The device for removing dirt at the water inlet of the hydropower station according to claim 2, wherein the number of the supporting and guiding mechanisms (4) is two, and the two lifting ropes (58) are detachably connected with the dirt barrier (2) by bypassing the two supporting and guiding mechanisms (4).

4. The device for removing the dirt at the water inlet of the hydropower station according to claim 3, wherein the supporting and guiding mechanism (4) comprises an upright post (41), a cross rod (42) and pulleys (43), two upright posts (41) connected with the operating platform (3) are arranged behind the frame (1), the cross rod (42) is connected between the two upright posts (41), the two pulleys (43) are sleeved on the cross rod (42) at intervals, and the two lifting ropes (58) are respectively wound around the two pulleys (43) and detachably connected with the dirt barrier (2).

5. The device for removing the dirt at the water inlet of the hydropower station according to claim 4, wherein two hanging sleeves (7) are arranged at the top end of the trash rack (2), one ends of the two lifting ropes (58) bypassing the two supporting and guiding mechanisms (4) are respectively connected with a hook (8), and the two hooks (8) are respectively hung on the two hanging sleeves (7).

6. The device for removing dirt at the water inlet of the hydropower station according to claim 1, wherein a strip-shaped groove (9) is formed in the position, close to the bottom, of the trash rack (2) positioned in front, a dirt scooping plate (10) is detachably connected into the strip-shaped groove (9), and the dirt scooping plate (10) extends out of the strip-shaped groove (9).

7. The device for removing dirt at the water inlet of the hydropower station according to claim 6, wherein the trash rack (2) positioned in front is further provided with a plurality of locking devices (11), and each locking device (11) can lock and unlock the dirt scooping plate (10) in the strip-shaped groove (9).

8. The device for decontaminating water inlets of hydropower stations according to claim 7, wherein the locking device (11) comprises a lock cylinder (111), a pull rod (112) and a spring (113), a slot (12) and an operation groove (13) are arranged in the trash rack (2) positioned in front, the slot (12) is communicated with the strip-shaped groove (9), the operation groove (13) is respectively communicated with the slot (12) and the outside, a slidable lock cylinder (111) is arranged in the slot (12), the spring (113) is connected between the lock cylinder (111) and the side wall of the slot (12), and the slidable pull rod (112) is arranged in the operation groove (13); one end of the pull rod (112) is connected with the lock cylinder (111), the other end of the pull rod extends out of the operation groove (13), the sewage fishing plate (10) is provided with a jack (15) which is matched with the lock cylinder (111), and the lock cylinder (111) can be inserted into the jack (15).

9. The device for removing the dirt at the water inlet of the hydropower station according to claim 6, wherein the dirt dragging plate (10) is provided with a plurality of through holes (14).

Images