CN112482496B

CN112482496B - Drainage pump station is drawn to hydraulic engineering

Info

Publication number: CN112482496B
Application number: CN202011412400.5A
Authority: CN
Inventors: 郑琮
Original assignee: Etit Smart Water Technology Co ltd
Current assignee: Etit Smart Water Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-04-29
Anticipated expiration: 2040-12-04
Also published as: CN112482496A

Abstract

The invention provides a water conservancy project drainage pump station, which comprises a water diversion structure; the front end of the water diversion structure is provided with a valve structure in a sliding way; an auxiliary structure is arranged on the valve structure; the two ends of the auxiliary structure are both provided with transmission structures; a cleaning structure is arranged at the rear end of the water diversion structure; the diversion structure is still including the diversion channel, the water inlet, the installing frame, the water inlet has been seted up to the diversion channel front end position, the top position of water inlet is provided with the installing frame, the whole frame construction of installing frame and water inlet whole constitution, the auxiliary tank has been seted up to the bottom of water inlet, only need under the general condition when the diversion channel is intake open can with the valve plate, but when outside water yield is less, will increase work load with the whole opening of valve plate, thereby with the valve plate on four internal door plant of group of installation, the transfer line of internal door plant can with drive gear meshing transmission, make internal door plant can arbitrary independent opening, thereby work load has been saved.

Description

Drainage pump station is drawn to hydraulic engineering

Technical Field

The invention belongs to the technical field of hydraulic engineering, and particularly relates to a drainage pump station for hydraulic engineering.

Background

The main components of the drainage pump station are a pump room and a water collecting tank, and a unit consisting of a water pump and power equipment is arranged in the pump room. The power plant is usually an electric motor, provided with a switchboard. The top of the pump room is provided with hoisting equipment for hoisting the unit during installation and maintenance. The water collecting tank is internally provided with a grid for mechanically or manually removing garbage, and blocks coarse and easily intercepted suspended matters to prevent the water pump from being blocked. The water collecting tank has a certain water storage volume so as to facilitate the starting of the water pump, and the water storage tank is also provided with an open-air structure.

Application No.: in the patent of CN201920082421.1, the invention discloses a drainage pump station, the technical scheme main points of which are as follows: including being used for setting up the pump station main part on the runner, the runner is used for the intercommunication in river and outer river, the interval is provided with interior gate and outer gate in the pump station main part, interior gate and outer gate and pump station main part surround and form the intake antrum, the intake antrum is provided with the water pump, be connected with the outlet pipe on the water pump, the outlet pipe is connected with interior approach pipe and outer approach pipe simultaneously, be provided with the interior gate valve that is used for opening and close interior approach pipe on the interior approach pipe, be provided with the outer gate valve that is used for opening and close outer approach pipe on the outer approach pipe, the delivery port of interior approach pipe and the runner intercommunication of interior river one side, the delivery port of outer approach pipe and the runner intercommunication of outer river one side. The utility model discloses a draw drainage pump station has the advantage that just can realize the drainage of inside and outside river through one set of water pump.

Based on the aforesaid, current pump station only has single valve because usual valve is all through large-scale motor control for certain energy consumption has, the whole that the valve is not needed when the flood season is opened, and the water in the diversion trench is open-air state, and debris such as leaf drop easily let the water pump cause the jam in water pump filter screen position easily after drawing water.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a drainage pump station for hydraulic engineering is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a water conservancy project drainage pump station, which aims to solve the problems that the existing pump station only has a single valve, the common valves are controlled by a large motor, so that certain energy consumption is realized, the valves are not required to be integrally opened in the non-flood season, the water in a water guide groove is in an open air state, sundries such as leaves and the like easily fall off, and the water pump is easily blocked at the position of a filter screen of the water pump after pumping water.

The purpose and the effect of the water conservancy project drainage pump station are achieved by the following specific technical means:

a water conservancy project drainage pump station comprises a water diversion structure; the front end of the water diversion structure is provided with a valve structure in a sliding way; an auxiliary structure is arranged on the valve structure; the two ends of the auxiliary structure are both provided with transmission structures; a cleaning structure is arranged at the rear end of the water diversion structure; the diversion structure is characterized by further comprising a diversion groove, a water inlet, an installation frame, an auxiliary groove and an inner sliding groove, the water inlet is formed in the front end of the diversion groove, the installation frame is arranged at the top of the water inlet, the installation frame and the water inlet form a whole frame structure integrally, the auxiliary groove is formed in the bottom of the water inlet, and the inner sliding groove is formed in the whole bottom surface of the diversion groove.

Furthermore, the valve structure further comprises a valve door plate, a main worm, a top screw rod and a top support side sliding column, two groups of vertical side sliding columns are fixed at two ends of the installation frame, the valve plate is slidably installed on the two groups of side sliding columns, the top screw rod is fixed on the valve plate, a top support is fixed at the top end of the installation frame, the main worm is rotatably installed on the top support, and the main worm is sleeved on the top screw rod.

Furthermore, the auxiliary structure further comprises an inner door plate, a transmission rod and a transmission gear, wherein the inner door plate is hinged on the valve plate, four groups of inner door plates are arranged on the valve plate, the transmission rod is fixed at two ends of each group of inner door plates, the whole transmission rod is of an arc-shaped structure, a rack is arranged at the outer end of the transmission rod, and the transmission gear is rotatably arranged on the valve plate close to the lower end of the transmission rod.

Furthermore, the transmission structure further comprises an adjusting wheel, a transmission shaft, an auxiliary block and a sliding sleeve, the sliding sleeve is fixed on the auxiliary block, the sliding sleeve is sleeved on the side sliding column, the adjusting wheel is rotatably installed on the auxiliary block, the transmission shaft is rotatably installed at the bottom of the auxiliary block, the side sliding column is perpendicular to the transmission shaft, the transmission shaft and the adjusting wheel are both fixed with bevel gears, and the two groups of bevel gears are meshed with each other.

Furthermore, the transmission structure also comprises worm teeth, four groups of worm teeth are arranged on the transmission shaft, and the worm teeth can be meshed with the transmission gear independently.

Further, transmission structure still includes fixture block, locating head, adjust knob, and four groups annular have been seted up at the transmission shaft top, and the fixture block cup joints in annular outer end position, is provided with three groups locating head on the inside of fixture block, and the outer end of fixture block is twisted and is connect and install adjust knob, and the mounted position of fixture block installs the spring additional.

Further, the clearance structure is still including installation piece, side brush board, baffle, gib block, side spout, and the water drainage tank has been seted up to the rear end of diversion channel, has seted up the side spout on the inner wall of water drainage tank, and slidable mounting has seven groups of baffles on the water drainage tank, and the both ends of baffle are provided with the gib block, and gib block slidable mounting is fixed with the installation piece in the side spout at the top of baffle, and the both ends of mounting panel are fixed with the side brush board, are provided with the hair brush on the side brush board.

Furthermore, the cleaning structure further comprises a reduction gearbox, a water outlet, auxiliary lead screws and floating balls, the water outlet is formed in the mounting block, two groups of auxiliary lead screws are mounted at the inner end of the mounting block, the floating balls are mounted on each group of auxiliary lead screws, and the reduction gearbox is mounted at the top of each auxiliary lead screw in a connecting mode.

Compared with the prior art, the invention has the following beneficial effects:

in the auxiliary structure, four groups of inner door plates are arranged on the valve plate, the valve plate is opened only when water enters the water guide groove under the general condition, but when the external water quantity is less, the whole valve plate is opened, so that the workload is increased, the four groups of inner door plates are arranged on the valve plate, the transmission rods of the inner door plates can be meshed with the transmission gears for transmission, the inner door plates can be freely and independently opened, and the workload is saved.

In the transmission structure of the invention, the auxiliary block with the sliding sleeve can be slidably arranged on the side sliding column, so that the auxiliary block has the effect of circumferential fixation, the adjusting wheel can transmit power to the transmission shaft through the bevel gear to realize the transmission purpose of the bevel gear, four groups of worm teeth are fixed on the transmission shaft, the positions of the worm teeth and the position of the transmission gear are set to be different distances, after one worm tooth is meshed with the transmission gear, other worm teeth are not meshed with other transmission gears, so that the effect that each group of worm teeth can be meshed with the transmission gear independently is realized, the transmission shaft can only control one group of inner door plates independently each time, the clamping block can be directly abutted against the annular groove of the transmission shaft, the fixed transmission shaft only has the effect of circumferential rotation, and the positions of the four groups of annular grooves can enable the worm teeth to be meshed with each group of transmission gears for transmission.

In the cleaning structure, because the water in the water guide groove is in an open state, sundries such as leaves and the like easily fall off, and the water pump is easy to block a filter screen of the water pump after pumping water, generally, baffles installed in a lamination mode do not have good waterproof effect, so that side sliding grooves are formed in the inner wall of the water guide groove for installing the baffles, guide strips are arranged at two ends of each group of baffles and can be installed in the side sliding grooves in a sliding mode in a matching mode, the baffles are enabled to have better waterproof effect integrally, two groups of floating balls are installed on the installation blocks, the installation blocks float on the water surface through the floating balls, the installation blocks floating on the water surface can discharge sundry and dust on the water surface through the water discharge port, and the floating balls installed on the auxiliary screw rod can adjust the depth of water discharge arbitrarily.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the valve structure of the present invention.

Fig. 3 is a schematic view of the auxiliary structure of the present invention.

Fig. 4 is a schematic diagram of the transmission structure of the present invention.

FIG. 5 is a schematic view of the cleaning structure of the present invention.

Fig. 6 is a schematic view of the transmission rod structure of the present invention.

Fig. 7 is a schematic diagram of the cartridge structure of the present invention.

Fig. 8 is a schematic view of the present invention at a part enlarged in fig. 2.

Fig. 9 is a partial enlarged structural view of the invention at B in fig. 4.

Fig. 10 is a partial enlarged structural view of the present invention at C in fig. 6.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a water diversion structure; 101. a water diversion groove; 102. a water inlet; 103. installing a frame; 104. an auxiliary groove; 105. An inner chute; 2. a valve structure; 201. a valve plate; 202. a main worm; 203. a jacking rod; 204. a top support; 205. a side strut; 3. an auxiliary structure; 301. an inner door panel; 302. a transmission rod; 303. a transmission gear; 4. a transmission structure; 401. an adjustment wheel; 402. a drive shaft; 403. a worm gear; 404. an auxiliary block; 405. a sliding sleeve; 406. a clamping block; 407. positioning the head; 408. adjusting a knob; 5. cleaning the structure; 501. mounting blocks; 502. a reduction gearbox; 503. a water outlet; 504. an auxiliary screw rod; 505. a floating ball; 506. a side brush plate; 507. a baffle plate; 508. a guide strip; 509. and a side chute.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through 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.

Example (b):

as shown in figures 1 to 10:

the invention provides a water conservancy project drainage pump station, which comprises a water diversion structure 1; the front end of the water diversion structure 1 is provided with a valve structure 2 in a sliding way; the valve structure 2 is provided with an auxiliary structure 3; the two ends of the auxiliary structure 3 are both provided with a transmission structure 4; a cleaning structure 5 is arranged at the rear end of the water diversion structure 1; diversion structure 1 is still including diversion trench 101, water inlet 102, installing frame 103, auxiliary tank 104, interior spout 105, water inlet 102 has been seted up to diversion trench 101 front position, the top position of water inlet 102 is provided with installing frame 103, whole frame construction is constituteed with water inlet 102 to installing frame 103, auxiliary tank 104 has been seted up to water inlet 102's bottom, diversion trench 101 holistic bottom surface is provided with interior spout 105, a large amount of debris can be collected in water inlet 102 position after long-time use, can let the valve structure 2 of water inlet 102 installation be difficult to complete closure, auxiliary tank 104 is seted up to water inlet 102's bottom, auxiliary tank 104's whole is for being less than water inlet 102, the auxiliary tank 104 that is less than water inlet 102 can be good discharges inside debris, and can be more convenient when clearing up auxiliary tank 104.

Wherein, valve structure 2 still includes valve plate 201, main worm 202, jackscrew rod 203, top support 204 side traveller 205, the both ends of installing frame 103 are fixed with two sets of vertically posts 205 that sideslip, valve plate 201 slidable mounting is on two sets of side travellers 205, be fixed with jackscrew rod 203 on the valve plate 201, the installing frame 103 top is fixed with top support 204, it installs main worm 202 to rotate on the top support 204, main worm 202 cup joints on jackscrew rod 203, valve plate 201 for letting slidable mounting has more stable effect, install two sets of side travellers 205 with the both ends of valve plate 201, more stable when letting valve plate 201 whole go up and down, jackscrew rod 203 that fixes at valve plate 201 can drive with main worm 202 intermeshing, let the lift process of valve plate 201 more stable.

The auxiliary structure 3 further comprises an inner door plate 301, a transmission rod 302 and a transmission gear 303, wherein the inner door plate 301 is hinged on the valve plate 201, four groups of inner door plates 301 are arranged on the valve plate 201, the transmission rods 302 are fixed at two ends of each group of inner door plates 301, the whole of each transmission rod 302 is of an arc-shaped structure, a rack is arranged at the outer end of each transmission rod 302, the transmission gear 303 is rotatably arranged on the valve plate 201 attached to the lower end of each transmission rod 302, the valve plate 201 only needs to be opened when water enters the water diversion groove 101 under a general condition, but when the external water amount is less, the workload is increased by integrally opening the valve plate 201, the four groups of inner door plates 301 are arranged on the valve plate 201, the transmission rods 302 of the inner door plates 301 can be meshed with the transmission gears 303 for transmission, the inner door plates 301 can be freely and independently opened, and the workload is saved.

The transmission structure 4 further comprises an adjusting wheel 401, a transmission shaft 402, an auxiliary block 404 and a sliding sleeve 405, the sliding sleeve 405 is fixed on the auxiliary block 404, the sliding sleeve 405 is sleeved on the side sliding column 205, the adjusting wheel 401 is rotatably installed on the auxiliary block 404, the transmission shaft 402 is rotatably installed at the bottom of the auxiliary block 404, the side sliding column 205 is perpendicular to the transmission shaft 402, bevel gears are fixed on the transmission shaft 402 and the adjusting wheel 401, the two groups of bevel gears are meshed with each other, the auxiliary block 404 with the sliding sleeve 405 can be slidably installed on the side sliding column 205, the auxiliary block 404 is allowed to have a circumferential fixing effect, the adjusting wheel 401 can transmit power to the transmission shaft 402 through the bevel gears, and the transmission purpose of the bevel gears is achieved.

The transmission structure 4 further comprises worm teeth 403, four groups of worm teeth 403 are arranged on the transmission shaft 402, the worm teeth 403 can be meshed with the transmission gear 303 independently, the four groups of worm teeth 403 are fixed on the transmission shaft 402, and the positions of the worm teeth 403 and the transmission gear 303 are set to be different in distance, so that after one of the worm teeth 403 is meshed with the transmission gear 303, other worm teeth 403 are not meshed with other transmission gears 303, the effect that each group of worm teeth 403 can be meshed with the transmission gear 303 independently is achieved, and the transmission shaft 402 can only control one group of inner door panels 301 independently at each time.

Wherein, transmission structure 4 still includes fixture block 406, locating head 407, adjust knob 408, four groups of annular grooves have been seted up at transmission shaft 402 top, fixture block 406 cup joints in annular groove outer end position, be provided with three groups of locating heads 407 on fixture block 406's the inside, the outer end of fixture block 406 is screwed and is installed adjust knob 408, the mounted position of fixture block 406 adds and is equipped with the spring, fixture block 406 can directly push up on the annular groove of transmission shaft 402, let fixed transmission shaft 402 only have circumferential direction's effect, the position of four groups of annular grooves can let worm tooth 403 and every group drive gear 303 intermeshing carry out the transmission.

Wherein, clearance structure 5 is still including installation piece 501, side brush board 506, baffle 507, gib block 508, side sliding groove 509, the water drainage tank has been seted up to the rear end of diversion channel 101, side sliding groove 509 has been seted up on the inner wall of water drainage tank, slidable mounting has seven groups of baffles 507 on the water drainage tank, the both ends of baffle 507 are provided with gib block 508, gib block 508 slidable mounting is in side sliding groove 509, the top of baffle 507 is fixed with installation piece 501, the both ends of mounting panel are fixed with side brush board 506, be provided with the hair brush hair on the side brush board 506, baffle 507 that the stromatolite mode was installed generally does not have good water-proof effects, thereby set up side sliding groove 509 on the water drainage tank inner wall with installation baffle 507, set up gib block 508 at the both ends with every group baffle 507, the slidable mounting that gib block 508 can coincide is in side sliding groove 509, let the whole of baffle 507 have better water-proof effects.

The cleaning structure 5 further comprises a reduction box 502, a water outlet 503, auxiliary lead screws 504 and floating balls 505, the water outlet 503 is formed in the mounting block 501, two sets of auxiliary lead screws 504 are mounted at the inner end of the mounting block 501, the floating balls 505 are mounted on each set of auxiliary lead screws 504, the reduction box 502 is mounted at the top of each auxiliary lead screw 504 in a connected mode, two sets of floating balls 505 are mounted on the mounting block 501, the mounting block 501 floats on the water surface through the floating balls 505, the mounting block 501 floating on the water surface can discharge sundry dust on the water surface through the water outlet 503, and the depth of water discharge can be adjusted freely by the floating balls 505 mounted on the auxiliary lead screws 504.

The specific use mode and function of the embodiment are as follows:

in the invention, four groups of inner door plates 301 are arranged on a valve plate 201, the valve plate 201 only needs to be opened when water enters a water guide groove 101 in general, but when the external water amount is less, the whole valve plate 201 is opened to increase the workload, so that the four groups of inner door plates 301 are arranged on the valve plate 201, a transmission rod 302 of each inner door plate 301 can be meshed with a transmission gear 303 for transmission, so that the inner door plates 301 can be independently opened at will, thereby saving the workload, an auxiliary block 404 with a sliding sleeve 405 can be slidably arranged on a side sliding column 205, so that the auxiliary block 404 has the effect of circumferential fixing, an adjusting wheel 401 can transmit power to the transmission shaft 402 through a bevel gear to realize the transmission purpose of the bevel gear, four groups of worm teeth 403 are fixed on the transmission shaft 402, the positions of the worm teeth 403 and the transmission gear 303 are set to be different distances, so that after one of the worm teeth 403 and the transmission gear 303 are meshed, the other worm teeth 403 are not meshed with other transmission gears 303, so that the effect that each group of worm teeth 403 can be meshed with the transmission gears 303 independently is realized, only one group of inner door plates 301 can be controlled by the transmission shaft 402 independently each time, the fixture block 406 can be directly abutted against the annular groove of the transmission shaft 402, the fixed transmission shaft 402 only has the circumferential rotation effect, the four groups of annular grooves can be positioned to enable the worm teeth 403 to be meshed with each group of transmission gears 303 for transmission, the water in the diversion groove 101 is in an open-air state, so that sundries such as leaves and the like can easily fall off, the water pump can easily block the filter screen of the water pump after pumping, the baffle 507 which is generally installed in a laminated mode does not have a good waterproof effect, the side sliding groove 509 is formed in the inner wall of the drainage groove for installing the baffle 507, the guide strips 508 are arranged at the two ends of each group of baffle 507, the guide strips 508 can be installed in the side sliding groove 509 in an inosculating manner, let the whole of baffle 507 have better water-proof effects, with two sets of floater 505 of installation on the installation piece 501, let installation piece 501 float on the surface of water through floater 505, the installation piece 501 that floats on the surface of water can be through the drainage outlet 503 discharge the debris dust of surface of water, the degree of depth of the regulation drainage that the floater 505 of installation on supplementary lead screw 504 can be wantonly.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a drainage pump station is drawn to hydraulic engineering which characterized in that: comprises a water diversion structure (1); the front end of the water diversion structure (1) is provided with a valve structure (2) in a sliding way; an auxiliary structure (3) is arranged on the valve structure (2); the two ends of the auxiliary structure (3) are provided with transmission structures (4); a cleaning structure (5) is arranged at the rear end of the water diversion structure (1); the water diversion structure (1) further comprises a water diversion groove (101), a water inlet (102), a mounting frame (103), an auxiliary groove (104) and an inner sliding groove (105), wherein the water inlet (102) is formed in the front end of the water diversion groove (101), the mounting frame (103) is arranged at the top of the water inlet (102), the mounting frame (103) and the water inlet (102) integrally form a whole frame structure, the auxiliary groove (104) is formed in the bottom of the water inlet (102), and the inner sliding groove (105) is formed in the bottom surface of the whole water diversion groove (101);

the auxiliary structure (3) further comprises an inner door plate (301), a transmission rod (302) and a transmission gear (303), wherein the inner door plate (301) is hinged to the valve plate (201), four groups of inner door plates (301) are arranged on the valve plate (201), the transmission rod (302) is fixed to each of two ends of each inner door plate (301), the whole transmission rod (302) is of an arc-shaped structure, a rack is arranged at the outer end of the transmission rod (302), and the transmission gear (303) is rotatably mounted on the valve plate (201) close to the lower end of the transmission rod (302);

the transmission structure (4) further comprises an adjusting wheel (401), a transmission shaft (402), an auxiliary block (404) and a sliding sleeve (405), the sliding sleeve (405) is fixed on the auxiliary block (404), the sliding sleeve (405) is sleeved on a side sliding column (205), the adjusting wheel (401) is rotatably installed on the auxiliary block (404), the transmission shaft (402) is rotatably installed at the bottom of the auxiliary block (404), the side sliding column (205) is perpendicular to the transmission shaft (402), bevel gears are fixed on the transmission shaft (402) and the adjusting wheel (401), and the two groups of bevel gears are meshed with each other;

the transmission structure (4) further comprises worm teeth (403), four groups of worm teeth (403) are arranged on the transmission shaft (402), and the worm teeth (403) can be meshed with the transmission gear (303) independently;

the transmission structure (4) further comprises a clamping block (406), a positioning head (407) and an adjusting knob (408), wherein four groups of ring grooves are formed in the top of the transmission shaft (402), the clamping block (406) is sleeved at the outer end of each ring groove, three groups of positioning heads (407) are arranged inside the clamping block (406), the outer end of the clamping block (406) is screwed and installed with the adjusting knob (408), and a spring is additionally arranged at the installation position of the clamping block (406);

the cleaning structure (5) further comprises an installation block (501), a side brush plate (506), baffles (507), guide strips (508) and side sliding grooves (509), wherein the rear end of the water diversion groove (101) is provided with a water drainage groove, the inner wall of the water drainage groove is provided with the side sliding grooves (509), seven groups of baffles (507) are slidably installed on the water drainage groove, the two ends of each baffle (507) are provided with the guide strips (508), the guide strips (508) are slidably installed in the side sliding grooves (509), the top of each baffle (507) is fixedly provided with the installation block (501), the two ends of each installation plate are fixedly provided with the side brush plates (506), and the side brush plates (506) are provided with brush bristles;

the cleaning structure (5) further comprises a reduction gearbox (502), a water outlet (503), auxiliary lead screws (504) and a floating ball (505), the water outlet (503) is formed in the mounting block (501), two groups of auxiliary lead screws (504) are mounted at the inner end of the mounting block (501), the floating ball (505) is mounted on each group of auxiliary lead screws (504), and the reduction gearbox (502) is mounted at the top of each group of auxiliary lead screws (504).

2. The hydraulic engineering drainage pumping station of claim 1, characterized in that: the valve structure (2) further comprises a valve plate (201), a main worm (202), a jackscrew rod (203), a top support (204) side sliding columns (205), two sets of vertical side sliding columns (205) are fixed at two ends of the installation frame (103), the valve plate (201) is slidably installed on the two sets of side sliding columns (205), the jackscrew rod (203) is fixed on the valve plate (201), the top support (204) is fixed at the top end of the installation frame (103), the main worm (202) is installed on the top support (204) in a rotating mode, and the main worm (202) is sleeved on the jackscrew rod (203).