CN220644113U - Dirty mechanism is blocked in water storage power station diversion tunnel - Google Patents

Abstract

The utility model discloses a water-storage power station diversion tunnel dirt blocking mechanism, which relates to the technical field of hydropower station dirt blocking and comprises a collecting assembly, a driving assembly and a fixing assembly, wherein a collecting drill comprises a first collecting piece and a collecting cylinder which continuously rotate in water, the driving assembly is driven by water power or electric power, so that garbage and impurities on the water surface are continuously collected and stored in the collecting cylinder under the driving of the first collecting piece, the periodic cleaning of workers is facilitated, the workload is reduced, and the cleaning efficiency is improved.

Description

Dirty mechanism is blocked in water storage power station diversion tunnel

Technical Field

The utility model relates to the technical field of hydropower station sewage blocking, in particular to a sewage blocking mechanism of a diversion tunnel of a pumped storage power station.

Background

With the large-scale development of new energy power generation such as wind power, water power, photovoltaic and the like, a novel power system mainly based on new energy is gradually constructed at present. The pumped storage power station is widely applied, and mainly drives a generator to rotate through the flow of water flow to generate power, and generates power by using a diversion tunnel with gentle slope to conduct diversion and form a drop meeting the requirements with the natural water surface from a river segment with steep slope and concentrated drop and a place with great elevation difference between a river bay or two adjacent river beds.

In the construction of the pumped storage power station, the diversion tunnel engineering belongs to one of the underground engineering, but more floats on the upstream of the reservoir pass through the diversion tunnel to the downstream, so that the downstream pollution is caused, and the pollutants enter the generator set to cause damage to the generator set. At present, a trash rack is generally arranged in a diversion tunnel and at an inlet of a power station, but floating garbage intercepted by the trash rack is not cleaned in time, so that the trash rack can cause clogging, insufficient water inflow is caused, and the power generation effect is affected.

The utility model of patent number CN213014203U discloses a power station trash rack, drive the lifting of removal otter board through setting up the threaded rod, lift the rubbish in the aquatic to the surface of water, thereby avoid blocking the net hole of dirty board to scrape the rubbish to the bank through the scraper blade, make things convenient for staff's clearance, in this patent, the scraper blade is after promoting rubbish to remove towards the bank, need have the staff to clear up at any time, increase the amount of labour, simultaneously, the rubbish is moved to dirty board department along with rivers again easily under the drive of rivers, need the scraper blade to promote rubbish repeatedly and keep away from the dirty board that blocks, the cleaning efficiency of rubbish has been reduced.

Disclosure of Invention

The utility model mainly aims to provide a sewage blocking mechanism of a diversion tunnel of a pumped storage power station, which is used for solving the problem that the conventional sewage blocking equipment of a hydropower station needs to repeatedly clean garbage in the sewage blocking process.

In order to achieve the purpose, the utility model provides a sewage blocking mechanism of a diversion tunnel of a pumped storage power station, which comprises the following components:

the collecting assembly comprises a collecting cylinder, first supporting pieces symmetrically arranged on the collecting cylinder, and first collecting pieces rotatably arranged on the first supporting pieces; the first collecting piece is provided with a first pressure reducing piece so as to reduce the resistance of the first collecting piece when rotating in water;

the driving assembly comprises a first driving piece arranged on the first collecting piece, a second driving piece arranged on the first supporting piece and a third driving piece arranged on the second driving piece; the first driving piece is meshed with the second driving piece; the third driving piece drives the second driving piece to rotate so that the rotation directions of the first driving piece and the second driving piece are opposite, and the rotation direction of the first collecting piece is opposite to the rotation direction of the third driving piece;

the fixing assembly comprises a first fixing piece connected with the first supporting piece; the first fixing piece is used for limiting the position of the collecting cylinder.

As a further improvement of the utility model, a net bag is movably arranged in the collecting cylinder; a first sealing cover piece is arranged on the net bag; the first cover member secures the open end of the net bag to the open end of the collection canister.

As a further improvement of the utility model, the first collecting element comprises a first rotating sleeve rotatably arranged on the first supporting element and a first bracket arranged on the first rotating sleeve; the first pressure reducing piece is a screen plate arranged on the first bracket.

As a further improvement of the utility model, the first brackets are provided with a plurality of groups; the inner side surface of the first bracket is in clearance fit with the outer side surface of the collecting cylinder.

As a further development of the utility model, the first drive element comprises a first gear wheel arranged on a first sleeve; the second driving piece comprises a second supporting piece vertically arranged at the end head of the first supporting piece, a first rotating shaft rotatably arranged on the second supporting piece and a second gear arranged on the first rotating shaft; the second gear is meshed with the first gear.

As a further improvement of the present utility model, the number of teeth of the second gear is larger than the number of teeth of the first gear.

As a further improvement of the utility model, the third driving member comprises a first transmission plate which is arranged on the first rotating shaft at intervals; the area of the first transmission plate is larger than that of the first collecting piece.

As a further improvement of the utility model, the third driving member includes a driving motor; the output end of the driving motor is connected with the first rotating shaft.

As a further improvement of the utility model, the first supporting piece is also provided with a supporting rod; the support rod is located between the first collecting piece and the first transmission plate, and a baffle is further arranged on the support rod.

As a further improvement of the utility model, the first fixing member includes a fixing rope provided on the baffle.

The beneficial effects of the utility model are as follows:

the third driving piece is arranged to drive the first collecting piece to rotate, garbage and impurities are driven to be collected into the collecting barrel under the action of the first collecting piece, the first pressure reducing piece is arranged to reduce the resistance of the first collecting piece to rotate in water, so that the garbage and the impurities on the water surface are cleaned and stored in real time, and then the garbage and the impurities are cleaned manually and regularly, so that the workload of workers is reduced, and the cleaning efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a sewage blocking mechanism of a diversion tunnel of a pumped storage power station;

FIG. 2 is a schematic diagram of a collecting cylinder structure of a sewage blocking mechanism of a diversion tunnel of a pumped storage power station;

FIG. 3 is a schematic diagram of a first collecting member of a water diversion tunnel dirt blocking mechanism of a pumped storage power station;

FIG. 4 is a schematic diagram of a driving assembly of a sewage blocking mechanism of a diversion tunnel of a pumped storage power station;

FIG. 5 is a schematic diagram of a driving motor connection structure of a water-pumping energy-storage power station diversion tunnel dirt blocking mechanism of the utility model;

FIG. 6 is a schematic diagram of the installation space structure of a sewage blocking mechanism of a diversion tunnel of a pumped storage power station;

reference numerals illustrate:

1. a collection assembly; 101. a collection cylinder; 102. a first support; 103. a first collection member; 1031. a first sleeve; 1032. a first bracket; 104. a first pressure reducing member; 2. a drive assembly; 201. a first driving member; 202. a second driving member; 2021. a second support; 2022. a first rotating shaft; 2023. a second gear; 2024. a second bearing; 203. a third driving member; 2031. a first drive plate; 2032. a connecting rod; 2033. a driving motor; 2034. a third gear; 2035. a fourth gear; 3. a fixing assembly; 301. a first fixing member; 4. a net bag; 5. a first cover member; 6. a first bearing; 7. a support rod; 8. a baffle; 9. an auxiliary stay bar; 10. a partition plate; 11. and (5) an installation space.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In an embodiment, referring to fig. 1, the utility model relates to a sewage blocking mechanism of a diversion tunnel of a pumped storage power station, which comprises a collecting assembly 1, a driving assembly 2 and a fixing assembly 3.

The collecting assembly 1 comprises a collecting barrel 101, a first supporting piece 102 symmetrically arranged on the collecting barrel 101 and a first collecting piece 103 rotatably arranged on the first supporting piece 102; the first collecting piece 103 is provided with a first pressure reducing piece 104 so as to reduce the resistance of the first collecting piece 103 when rotating in water; the driving assembly 2 comprises a first driving piece 201 arranged on the first collecting piece 103, a second driving piece 202 arranged on the first supporting piece 102 and a third driving piece 203 arranged on the second driving piece 202, wherein the first driving piece 201 is meshed with the second driving piece 202, and the third driving piece 203 drives the second driving piece 202 to rotate so that the rotation direction of the first driving piece 201 is opposite to the rotation direction of the second driving piece 202, and further the rotation direction of the first collecting piece 103 is opposite to the rotation direction of the third driving piece 203; the fixing assembly 3 includes a first fixing member 301 coupled to the first support member 102, the first fixing member 301 serving to limit the position of the cartridge 101.

Preferably, the collecting cylinder 101 is a hollow cylinder, and the collecting cylinder 101 is provided with an opening along the section of the axle center.

Preferably, the first support 102 is a rod-like structure.

Specifically, referring to fig. 2, a net bag 4 is movably disposed in the collecting cylinder 101, a first sealing cover member 5 is disposed on the net bag 4, and the first sealing cover member 5 fixes the opening end of the net bag 4 on the opening end of the collecting cylinder 101.

Preferably, the shape of the net bag 4 is consistent with the shape of the collection cylinder 101; the first closing cap spare 5 is the rectangle framework that sets up at string bag 4 open end edge, is equipped with first draw-in groove on the first closing cap spare 5, and first closing cap spare 5 adopts the rubber material, and string bag 4 passes through first draw-in groove joint at the edge of collection section of thick bamboo 101 and is connected with collection section of thick bamboo 101 is stable.

In the above-mentioned setting, the net bag 4 collects rubbish, the impurity of first collecting member 103 collection and slide in to wrap up impurity through net bag 4, be convenient for shift out the impurity and collect a section of thick bamboo 101 processing, the first closing cap piece 5 of rubber material, be convenient for fold and reduce occupation space, thereby take out net bag 4 from the space between the first collecting member 103.

Further, referring to fig. 3, the first collecting member 103 includes a first rotating sleeve 1031 rotatably provided on the first supporting member 102, a first bracket 1032 provided on the first rotating sleeve 1031; the first pressure reducing member 104 is a mesh plate provided on the first bracket 1032.

Preferably, the first support 102 may be connected to the collecting cylinder 101 by welding, and the first bearing 6 is disposed between the first rotating sleeve 1031 and the first support 102;

preferably, the first bracket 1032 is U-shaped, two ends of the first bracket 1032 are respectively connected with the first rotating sleeves 1031 on two sides of the collecting cylinder 101, the edge of the net plate and the first bracket 1032 are both round bars, and when the net plate and the first bracket 1032 rotate in water, resistance is reduced.

In the above arrangement, the provision of the mesh plate reduces the contact area with the water when the first collecting member 103 rotates in the water, thereby reducing the resistance of the first collecting member 103 when rotated in the water.

Further, referring to fig. 1, the first bracket 1032 is provided in plural sets, and the inner side surface of the first bracket 1032 is in clearance fit with the outer side surface of the collection cylinder 101.

Preferably, the first brackets 1032 are provided with four groups, and the included angle between the adjacent first brackets 1032 is 90 degrees, so that the resistance when the first collecting element 103 rotates is reduced, and meanwhile, the space between the adjacent first brackets 1032 is large, so that the net bags 4 can be taken out conveniently to treat impurities.

Further, referring to fig. 4, the first driving member 201 includes a first gear disposed on the first rotating sleeve 1031; the second driving member 202 includes a second supporting member 2021 vertically disposed at an end of the first supporting member 102, a first rotating shaft 2022 rotatably disposed on the second supporting member 2021, and a second gear 2023 disposed on the first rotating shaft 2022; the second gear 2023 meshes with the first gear.

Preferably, the second support 2021 is a plate-shaped structure, one end of the second support 2021 is connected to the first support 102, a first rotating hole is disposed on an end of the second support 2021 away from the first support 102, the first rotating shaft 2022 is disposed in the first rotating hole, and a second bearing 2024 is disposed between the first rotating shaft 2022 and the first rotating hole.

Preferably, the second gear 2023 is disposed on the end of the first shaft 2022 proximal to the collection canister 101.

Preferably, rubber sealing rings are respectively arranged at the first bearing 6 and the second bearing 2024.

Further, referring to FIG. 4, the number of teeth of the second gear 2023 is greater than the number of teeth of the first gear.

Further, referring to fig. 4, the third driving member 203 includes first driving plates 2031 provided at intervals on the first rotation shaft 2022, and the area of the first driving plates 2031 is larger than the area of the first collecting member 103.

Preferably, the number of the first transmission plates 2031 is greater than the number of the first collecting elements 103, the first transmission plates 2031 have a rectangular structure, and a connecting rod 2032 is further provided between the first transmission plates 2031 and the first rotation shaft 2022.

Preferably, the first drive plate 2031 is provided on the end of the first shaft 2022 remote from the collection canister 101.

Preferably, a housing (not shown) is further disposed between the first gear and the second gear 2023, the housing encloses the first gear and the second gear 2023, the first rotating sleeve 1031 and the first rotating shaft 2022 respectively penetrate through the housing, and a sealing sleeve is disposed at the penetrating position of the first rotating sleeve and the housing.

Further, referring to fig. 4, the first supporting member 102 is further provided with a supporting rod 7, the supporting rod 7 is located between the first collecting member 103 and the first transmission plate 2031, and the supporting rod 7 is further provided with a baffle 8.

Preferably, the support bar 7 is disposed obliquely on the first support member 102, and the position where the support bar 7 is connected to the first support member 102 is located opposite to the second support member 2021.

Preferably, the baffle 8 is further provided with an auxiliary stay bar 9, the auxiliary stay bar 9 is provided with a hole, and one end of the first rotating shaft 2022 is rotatably arranged in the hole.

Preferably, the baffle 8 shields the first drive plate 2031.

In the above arrangement, the first driving plate 2031 is driven to rotate by water flow, so as to drive the first rotation shaft 2022 to rotate, the first rotation shaft 2022 drives the second gear 2023 to rotate, the second gear 2023 is meshed with the first gear, so that the first rotation sleeve 1031 and the first bracket 1032 reversely rotate relative to the first driving plate 2031, the screen plate on the first collecting member 103 rotates along with the rotation of the first driving plate, and garbage and impurities on the water surface are collected, and when the screen plate is positioned right above the collecting cylinder 101 and gradually deflects in the rotation process of the screen plate, the garbage and the impurities fall into the collecting cylinder 101 to be collected; the baffle plate 8 shields the garbage and impurities in front of the first transmission plate 2031, and prevents the garbage and impurities from winding on the first transmission plate 2031 or entering the diversion tunnel beyond the collecting cylinder 101.

The support rods 7, 9 provide stable support for the first shaft 2022 and thus the first transfer plate 2031.

Further, referring to fig. 1, the first fixing member 301 includes fixing ropes provided on the barrier 8, and is connected to the banks on both sides by the fixing ropes, thereby defining the position of the entire apparatus in water.

In this embodiment, the whole device is limited at the entrance of the diversion tunnel by the fixing rope, the first transmission plate 2031 rotates anticlockwise under the driving of water flow, the mesh plate rotates clockwise under the meshing of the first gear and the second gear 2023, and the garbage and impurities on the water surface are collected in the collection cylinder 101, because the contact area of the first transmission plate 2031 and the water is larger than that of the first collection and the water, and meanwhile, the number of the first transmission plates 2031 is larger than that of the first collection pieces 103, so that the first transmission plate 2031 can drive the first collection pieces 103 to rotate.

In an embodiment, referring to fig. 5, based on the above embodiment, the third driving member 203 includes a driving motor 2033, and an output end of the driving motor 2033 is connected to the first rotation shaft 2022.

Preferably, the drive motor 2033 is disposed within the housing.

In the present embodiment, the driving motor 2033 is configured in the conventional manner, and only the installation position thereof is limited, and the structure thereof is not modified, and in the present embodiment, the first shaft 2022 is completely located in the housing, and only the first sleeve 1031 penetrates the housing.

In this embodiment, the second gear 2023 is driven to rotate by the rotation of the motor, so as to drive the first collecting member 103 to rotate to collect the garbage and the impurities.

Of course, referring to fig. 5 and 6, the driving motor 2033 may be matched with the first transmission plate 2031, the driving motor 2033 and the first transmission plate 2031 are driven to drive the first collecting element 103 to rotate, the partition board 10 is disposed in the collecting cylinder 101, the partition board 10 separates an installation space 11 in the collecting cylinder 101, the driving motor 2033 is installed in the installation space 11, an output end of the driving motor 2033 passes through the collecting cylinder 101, a third gear 2034 is disposed at the output end, a fourth gear 2035 is disposed on the first rotating sleeve 1031, the third gear 2034 is meshed with the third gear 2034, so as to drive the first collecting element 103 to rotate, and the driving motor 2033 and the first transmission plate 2031 are matched to jointly drive the first collecting element 103.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a pumped storage power station diversion tunnel trash blocking mechanism which characterized in that includes:

the collecting assembly (1) comprises a collecting barrel (101), first supporting pieces (102) symmetrically arranged on the collecting barrel (101) and first collecting pieces (103) rotatably arranged on the first supporting pieces (102); the first collecting piece (103) is provided with a first pressure reducing piece (104) so as to reduce the resistance of the first collecting piece (103) when rotating in water;

a drive assembly (2) comprising a first drive (201) arranged on the first collecting member (103), a second drive (202) arranged on the first supporting member (102), a third drive (203) arranged on the second drive (202); the first driving piece (201) is meshed with the second driving piece (202); the third driving piece (203) drives the second driving piece (202) to rotate, so that the rotation direction of the first driving piece (201) is opposite to that of the second driving piece (202), and the rotation direction of the first collecting piece (103) is opposite to that of the third driving piece (203);

a fixing assembly (3) comprising a first fixing member (301) connected to the first support member (102); the first fixing member (301) is used for limiting the position of the collecting cylinder (101).

2. The pumped storage power station diversion tunnel dirt blocking mechanism of claim 1, wherein: a net bag (4) is movably arranged in the collecting cylinder (101); a first sealing cover piece (5) is arranged on the net bag (4); the first cover piece (5) fixes the opening end of the net bag (4) on the opening end of the collecting cylinder (101).

3. The pumped storage power station diversion tunnel dirt blocking mechanism according to claim 2, wherein: the first collecting piece (103) comprises a first rotating sleeve (1031) rotatably arranged on the first supporting piece (102), and a first bracket (1032) arranged on the first rotating sleeve (1031); the first pressure reducing piece (104) is a screen plate arranged on the first bracket (1032).

4. A pumped storage power station diversion tunnel dirt blocking mechanism according to claim 3, wherein: the first bracket (1032) is provided with a plurality of groups; the inner side surface of the first bracket (1032) is in clearance fit with the outer side surface of the collecting cylinder (101).

5. The pumped storage power station diversion tunnel dirt blocking mechanism of claim 4, wherein: the first driving member (201) comprises a first gear arranged on a first rotating sleeve (1031); the second driving piece (202) comprises a second supporting piece (2021) vertically arranged at the end of the first supporting piece (102), a first rotating shaft (2022) rotatably arranged on the second supporting piece (2021), and a second gear (2023) arranged on the first rotating shaft (2022); the second gear (2023) is meshed with the first gear.

6. The pumped storage power station diversion tunnel dirt blocking mechanism of claim 5, wherein: the number of teeth of the second gear (2023) is greater than the number of teeth of the first gear.

7. The pumped storage power station diversion tunnel dirt blocking mechanism of claim 6, wherein: the third driving piece (203) comprises a first transmission plate (2031) which is arranged on the first rotating shaft (2022) at intervals; the first transfer plate (2031) has an area that is larger than the area of the first collection member (103).

8. The pumped storage power station diversion tunnel dirt blocking mechanism of claim 6, wherein: the third driving member (203) comprises a driving motor (2033); the output end of the driving motor (2033) is connected with the first rotating shaft (2022).

9. The pumped storage power station diversion tunnel dirt blocking mechanism according to claim 7 or 8, wherein: a supporting rod (7) is further arranged on the first supporting piece (102); the support rod (7) is positioned between the first collecting piece (103) and the first transmission plate (2031), and the support rod (7) is also provided with a baffle (8).

10. The pumped storage power station diversion tunnel dirt blocking mechanism according to claim 7 or 8, wherein: the first fixing piece (301) comprises a fixing rope arranged on the baffle plate (8).