CN113718726B

CN113718726B - Automatic dredging method for integrated gate

Info

Publication number: CN113718726B
Application number: CN202111098491.4A
Authority: CN
Inventors: 刘鑫; 惠晓康; 丁积杰
Original assignee: Mountain Technology Co ltd
Current assignee: Mountain Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2023-03-21
Anticipated expiration: 2041-09-18
Also published as: CN113718726A

Abstract

The invention provides an integrated automatic gate dredging method, which comprises the following steps: step one, introducing gas into a gas dredging device positioned at the bottom of a gate; step two, gas is continuously discharged from the bottom of the gate through the gas outlet end of the gas dredging device, and discharged gas is utilized to disturb water flow near the bottom of the gate, so that silt in water is prevented from being accumulated near the bottom of the gate; the cooperation is used gaseous desilting device, and the rivers that utilize the air current that the device produced to disturb the gate bottom carry out constantly flowing, avoid the silt of aquatic to subside the siltation in the gate bottom to ensure that the gate bottom can not have a large amount of silt, can not receive the silt influence when guaranteeing that the gate is opened or is closed, make it have better closure and practicality.

Description

Automatic dredging method for integrated gate

Technical Field

The invention relates to the technical field of gate dredging, in particular to an automatic dredging method for an integrated gate.

Background

A gate is a control facility for intercepting and discharging water channels. It is also an important component of hydraulic building, and can be used for intercepting water flow, controlling water level, regulating flow rate, discharging silt and floating material, etc. When the gate is selected, the gate needs to be compared and determined according to the working property, the setting position, the operating condition gate hole span, the opening and closing force, the engineering cost and the like by combining the self-demand and the application region. Wherein there are very many irrigated areas near the yellow river basin, irrigate the irrigated area farmland through introducing yellow river rivers, for crops provide sufficient water source, but in the middle of the basin, its region soil erosion and water loss is serious in place, leads to aquatic silt content higher, when consequently quoting the great rivers of silt content, often has following drawback:

(1) When the ditch does not discharge water, the gate is in a closed state, and silt in water flow at the gate opening can settle, so that a large amount of silt is deposited at the gate opening, the deposited silt is easy to cause the gate not to be normally opened and closed, the tightness of the gate is reduced, irrigation tasks are influenced, and further the grain yield of an irrigation area is influenced;

(2) In the middle of the gate desilting process, can adopt large-scale mechanical desilting equipment to clear up often, because gate installation area's limitation, this mode causes the gate to take place to damage easily, leads to the gate can not normal use, therefore the practicality is relatively poor.

Disclosure of Invention

The invention mainly aims to solve the problems in the prior art and provides an automatic dredging method for an integrated gate.

In order to solve the technical problems, the invention adopts the technical scheme that: an automatic dredging method for an integrated gate comprises the following steps:

step one, introducing gas into a gas dredging device positioned at the bottom of a gate;

and step two, continuously discharging the gas from the bottom of the gate through the gas outlet end of the gas dredging device, and disturbing the water flow near the bottom of the gate by using the discharged gas to avoid the accumulation of silt in water near the bottom of the gate.

Further, the width of the gate is smaller than the width of the gas escaping from the gas outlet end of the gas dredging device.

Further, the gas dredging device is arranged on one side close to the water inlet end of the gate.

Further, when the gate is opened, the gas is stopped from being introduced into the gas dredging device.

Further, gaseous desilting device is including the breather pipe that is used for the air feed, communicates in the desilting pipe of the end of giving vent to anger of breather pipe to and evenly lay the multiunit air cock on the desilting pipe, multiunit air cock spun gas is used for disturbing the regional rivers in gate bottom, still is used for reducing the deposit volume of gate bottom region silt.

Further, the air tap sets up to the air cock, the air cock sets up in the end of giving vent to anger of desilting pipe.

Further, the air tap sets up to the breather valve, the breather valve sets up in the end of giving vent to anger of desilting pipe.

Furthermore, the air inlet end of the breather pipe is connected with an air source generating device, and the air source generating device is used for providing air for the air dredging device.

Further, desilting pipe top be provided with the guard plate, guard plate and gate bottom fixed connection, the guard plate is used for protecting the junction between air cock and the desilting pipe.

Further, the protection plate is a strip-shaped plate or an arc-shaped plate.

Furthermore, the gate comprises a gate door frame and a gate door plate arranged in the gate door frame in a sliding manner, the gate door frame and the gate door plate are connected through a screw lifting device or a steel cable lifting device, and the screw lifting device or the steel cable lifting device is used for controlling the opening and closing of the gate.

Further, the screw lifting device comprises a first driving unit, a threaded rod and a threaded sleeve, the first driving unit is arranged at the top of the gate door frame, the threaded rod is rotatably arranged on the gate door frame, the input end of the threaded rod is connected with the output end of the first driving unit, the threaded sleeve is connected to the gate door plate, and the threaded sleeve is rotatably arranged on the threaded rod in a matched manner.

Further, first drive unit includes first protecting crust, first driving motor and first reduction gear, first protecting crust sets up in the top of gate door frame, first driving motor sets up in the inside of first protecting crust, the input of first reduction gear is connected in first driving motor's output, and the input of its output connecting threaded rod.

Furthermore, the steel cable lifting device comprises a second driving unit, a steel cable and a traction rod, the second driving unit is arranged on the gate door frame, the steel cable is connected with the output end of the second driving unit, the traction rod penetrates through the gate door frame in a sliding mode, the bottom end of the traction rod is connected to the gate door frame, and the traction rod is connected with the end portion of the steel cable.

Further, the second driving unit comprises a second protective shell, a second driving motor, a second speed reducer, a hanging bracket, a rotating shaft and a power wheel, the second protective shell is connected to the gate door frame, the second driving motor is arranged inside the second protective shell, the hanging bracket is connected to the gate door frame, the second speed reducer is connected to the hanging bracket, the rotating shaft is connected with the output end of the second speed reducer, the power wheel is fixedly sleeved on the end portion of the rotating shaft, and the steel cable is wound on the power wheel.

Furthermore, an elastic protection sleeve is sleeved on the traction rod, the top end of the elastic protection sleeve is connected to the bottom of the second protection shell, and the bottom of the elastic protection sleeve is connected to the middle of the traction rod through a connecting plate.

Furthermore, two ends of the steel cable are respectively connected with a group of connecting components, and the two ends of the steel cable are respectively connected to the middle of the traction rod and the top of the traction rod by the two groups of connecting components.

Further, it includes horizontal pole, adjusting screw, fastening nut, compression sleeve and locking bolt to link up the subassembly, the horizontal pole is fixed wear to establish with the traction lever on, adjusting screw wears to locate on the horizontal pole, fastening nut joins in marriage in adjusting screw's one end soon, and this fastening nut supports and leans on the horizontal pole, compression sleeve joins in marriage in adjusting screw's the other end soon, and should compress tightly the tip that the cover pipe box located the cable wire, locking bolt joins in marriage on compression sleeve soon to be fixed in the cover pipe with the cable wire by this locking bolt.

Further, the locking bolts are arranged in multiple groups.

Furthermore, a plurality of groups of angle steel connecting pieces are symmetrically arranged on two sides of the gate frame, and a plurality of groups of bolts are arranged on each group of angle steel connecting pieces.

The invention has the advantages and positive effects that:

(1) The automatic gate dredging method is adopted, so that the sediment amount of the sediment at the bottom of the gate can be reduced, part of the sediment deposited at the bottom of the gate can be taken away, and the automatic gate dredging effect is realized; by adopting the gas dredging device, the airflow generated by the gas dredging device is utilized to disturb the water flow at the bottom of the gate, so that the water flow near the bottom of the gate is always in a flowing state, and further, silt in water cannot be settled;

(2) According to the invention, the plurality of groups of air exhaust plugs are arranged at the air outlet ends of the dredging pipes in the gas dredging device, so that silt in water can be prevented from being poured into the dredging pipes, the corrosion resistance is good, the service life of the gas dredging device can be prolonged, and the air flow discharged by the air exhaust plugs is uniform, so that the dredging effect of the device is good;

(3) According to the invention, the gate door plate can be controlled by adopting the screw lifting device or the steel cable lifting device to discharge and intercept water flow in the water channel, and when the screw lifting device is adopted, the structure is simple, the manufacturing cost is lower, and the maintenance is easy; when the steel cable lifting device is adopted, the gate can be more stably opened and closed, the protection performance to the gate is better, the external interference capability is stronger, and the stability is better.

Drawings

FIG. 1 is a schematic perspective view of the present invention in example 1;

FIG. 2 is a schematic view showing the structure of the gas desilting apparatus in example 1;

fig. 3 is a schematic structural view of a first drive unit in embodiment 1;

FIG. 4 is a schematic perspective view of the present invention in example 2;

FIG. 5 is a schematic view showing the structure of a gas desilting apparatus in example 2;

fig. 6 is a schematic structural diagram of a second drive unit in embodiment 2.

In the figure: 1. a gate frame; 2. a gate panel; 3. a gas dredging device; 31. a breather pipe; 32. dredging the pipe; 33. an air tap; 41. a first drive unit; 411. a first protective shell; 412. a first drive motor; 413. a first decelerator; 42. a threaded rod; 43. a threaded sleeve; 51. a second driving unit; 511. a second protective shell; 512. a second drive motor; 513. a second decelerator; 514. a hanger; 515. a rotating shaft; 516; a power wheel; 52. a steel cord; 53. a draw bar; 6. an elastic protective sleeve; 7. a connecting plate; 8. an engagement assembly; 81. a cross bar; 82. adjusting the screw rod; 83. fastening a nut; 84. compressing the sleeve; 85. locking the bolt; 9. angle steel connecting piece.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.

Example 1:

as shown in fig. 1-3, an automatic dredging method for an integrated gate comprises the following steps:

step one, introducing gas into a gas dredging device 3 positioned at the bottom of a gate;

and step two, continuously discharging the gas from the bottom of the gate through the gas outlet end of the gas dredging device 3, disturbing the water flow near the bottom of the gate by utilizing the fluidity of the discharged gas flow, and avoiding the accumulation of silt in water near the bottom of the gate.

Specifically, after the gas is discharged from the gas dredging device 3, the water flow at the bottom of the gate can be disturbed to drive the water flow to move continuously, so that the sediment in the water is prevented from standing and settling, and meanwhile, the disturbed water flow can drive the redundant sediment at the bottom of the gate, thereby achieving the purpose of dredging;

further, the width of the gate is smaller than the width of the gas escaping from the gas outlet end of the gas dredging device 3, the disturbance range of water flow in the bottom area of the gate is expanded, and the dredging effect on the bottom of the gate is improved.

Further, gaseous desilting device 3 sets up in the one side that is close to the gate and intakes the end, avoids the gate to open the back rivers that flow to introduce silt wherein, influences opening and shutting effect and the leakproofness of gate.

Further, when the gate is opened, the gas is stopped from being introduced into the gas dredging device 3.

Specifically, when the gate was opened, the rivers can be by entering into the ditch in the river course, and the disturbance effect of gaseous desilting device 3 to rivers this moment is less than and causes the flow effect to rivers, and simultaneously, the silt of aquatic can be taken away to the rivers of flow, makes it can not deposit in a large number in the bottom of gate.

Further, the gas dredging device 3 comprises a vent pipe 31 for supplying gas, a dredging pipe 32 communicated with a gas outlet end of the vent pipe, and a plurality of groups of gas nozzles 33 uniformly distributed on the dredging pipe 32, wherein the gas of the plurality of groups of gas nozzles 33 is used for disturbing the water flow of the bottom area of the gate, and is also used for reducing the deposition amount of the sediment of the bottom area of the gate, the gas is introduced into the vent pipe 31 and enters the dredging pipe 32 through the vent pipe 31, and is discharged from the bottom end to the top end of the gate frame 1 through the plurality of groups of gas nozzles 33 arranged on the dredging pipe 32, the discharged gas forms gas flow, the water flow near the bottom of the gate frame 1 can be disturbed, so that the water flow near the gate frame 1 is driven to continuously roll and flow, the sediment in the water can not deposit at the bottom of the gate frame 1, the sediment in the water is prevented from accumulating at the bottom of the gate frame 1, meanwhile, the part of the sediment deposited in the flowing water flow is taken away, the normal opening and closing and use of the gate frame 2 and the water channel are ensured, and the closure of the water channel is ensured.

Further, air cock 33 sets up to the air cock, and the air cock sets up in the end of giving vent to anger of desilting pipe 32, and through adopting the air cock, prevent that the silt of aquatic from pouring into desilting pipe 32 and work as well, also have better corrosion resistance simultaneously, prolong the life of gaseous desilting device 3, and by the air cock exhaust flow comparatively even, better to the disturbance effect of rivers, so desilting effect preferred.

Furthermore, the air inlet end of the vent pipe is connected with an air source generating device, the air source generating device is used for providing air for the air dredging device, and the air generating device can adopt an air compression pump so as to continuously provide air for the vent pipe.

Further, the desilting pipe 32 top be provided with the guard plate, guard plate and gate bottom fixed connection, the guard plate is used for protecting the junction between air cock 33 and the desilting pipe 32, the guard plate set up to strip shaped plate or arc to make the guard plate can protect the connection region between air cock 33 and the desilting pipe 32.

Further, the gate comprises a gate door frame 1 and a gate door plate 2 which is arranged in the gate door frame 1 in a sliding mode, the gate door frame 1 is connected with the gate door plate 2 through a screw lifting device, the screw lifting device is used for controlling the opening and closing of the gate, and the screw lifting device is adopted, so that the structure is simple, the cost is low, and the maintenance is easy; the screw lifting device comprises a first driving unit 41, a threaded rod 42 and a threaded sleeve 43, the first driving unit 41 is arranged at the top of the gate door frame 1, the threaded rod 42 is rotatably arranged on the gate door frame 1, the input end of the threaded rod 42 is connected with the output end of the first driving unit 41, the threaded sleeve 43 is connected to the gate door panel 2, and the threaded sleeve 43 is rotatably arranged on the threaded rod 42 in a matched manner; the first driving unit 41 comprises a first protective shell 411, a first driving motor 412 and a first speed reducer 413, the first protective shell 411 is arranged at the top of the gate frame 1, the first driving motor 412 is arranged inside the first protective shell 411, the input end of the first speed reducer 413 is connected to the output end of the first driving motor 412, the output end of the first speed reducer 413 is connected with the input end of the threaded rod 42, and when water drainage and closure are performed on a ditch, the screw lifting device drives the gate door plate 2 to ascend or descend, so that the opening and closing of the gate are realized; the first driving motor 412 rotates to drive the threaded rod 42 to rotate through the first speed reducer 413, so that the threaded rod drives the threaded sleeve 43 to ascend through the threads, the ascending threaded sleeve 43 drives the gate panel 2 to approach the top of the gate frame 1, the bottom of the gate panel 2 is separated from the gate frame 1, and at the moment, water flow can enter the ditch through the gate; in a similar way, the first driving motor 412 rotates reversely, and drives the threaded rod 42 to rotate reversely through the first speed reducer 413, so that the threaded rod 42 drives the gate panel 2 to descend through the threaded sleeve 43, until the bottom of the gate panel 2 contacts with the gate door frame 1 to abut against, so as to close the gate, and cut off the water flow entering the water channel.

Further, the both sides symmetry of gate door frame 1 has laid multiunit angle steel connecting piece 9, is provided with the multiunit bolt on every angle steel connecting piece 9, uses through the cooperation of angle steel connecting piece 9 and bolt, can install the gate in the water inlet department of ditch.

Example 2:

the difference with embodiment 1 lies in, air cock 33 sets up to the breather valve, and the breather valve sets up in the end of giving vent to anger of desilting pipe 32, through adopting the breather valve, makes gaseous desilting device 3 have better water-proof effects and corrosion-resistant effect, improves product life, and this breather valve still has resistant high low temperature and ageing resistance effect, improves the reliability in the harsh environment of product.

Example 3:

as shown in fig. 4-6, the difference from embodiment 1 is that, the gate frame 1 and the gate panel 2 are connected by a cable lifting device for controlling the opening and closing of the gate, the cable lifting device includes a second driving unit 51, a cable 52 and a drawbar 53, the second driving unit 51 is disposed on the gate frame 1, the cable 52 is connected to an output end of the second driving unit 51, the drawbar 53 is slidably disposed on the gate frame 1, and a bottom end thereof is connected to the gate panel 2, the drawbar 53 is connected to an end of the cable 52, the second driving unit 51 includes a second protecting shell 511, a second driving motor 512, a second speed reducer 513, a hanger 514, a rotating shaft 515 and a power wheel 516, the second protecting shell 511 is connected to the gate frame 1, the second driving motor 512 is disposed inside the second protecting shell, the hanger 514 is connected to the gate frame 1, the hanger 514 is used for fixing the second speed reducer 513, the rotating shaft 515 is connected to the second speed reducer, the output end of the rotating shaft 515 is connected to the second speed reducer 513, the power wheel 516 is disposed on the rotating 515, the rotating shaft 516, the rotating 52 is connected to the cable wheel 516, the rotating 52, the rotating shaft is rotated to drive the drawbar 52, the drawbar 516 to prevent the drawbar 52 from rotating, the rotating 52, the drawbar 53, the rotating 52, the drawbar 516, the rotating is prevented from rotating when the power wheel 52 is rotated, the drawbar 53, the power wheel 515 and the drawbar 516, so that the draw bar 53 stably drives the gate door panel 2 to ascend along the gate door frame 1 to realize the opening of the gate; on the contrary, when the gate is closed, the second driving motor 512 rotates in a reverse direction, so that the second driving motor drives the rotating shaft 515 to rotate in a reverse direction through the second speed reducer 513, and drives the power wheel 516 to rotate in a reverse direction, the power wheel 516 rotating in a reverse direction winds the steel cable 52 between the power wheel 516 and the top end of the drawbar 53, and releases the power wheel 516 and the steel cable 52 connected to the middle of the drawbar 53, and the gate panel 2 descends along the gate frame 1 by using the self-gravity of the gate panel 2 until the bottom of the gate panel is abutted against the gate frame 1, so that the gate is closed.

Specifically, the second protection shell 511 is formed by two groups of buckles so as to be convenient for installation and fixation, the bottom end of the draw bar 53 can be hinged to the top end of the gate panel 2, the restraint force generated at the joint between the two is reduced, the middle part of the steel cable 52 can be fixed on the power wheel 516, and the phenomenon that the steel cable 52 slips when being wound or released on the power wheel 516 is avoided, so that the normal use of the lifting device of the steel cable 52 is influenced.

Furthermore, the draw bar 53 is sleeved with an elastic protection sleeve 6, the top end of the elastic protection sleeve is connected to the bottom of the second protection shell 511, the bottom of the elastic protection sleeve is connected to the middle of the draw bar 53 through a connecting plate 7, the steel cable 52 can be protected by the elastic protection sleeve 6, and the steel cable 52 is prevented from being wound on the power wheel 516 due to dust entering the interior of the steel cable.

Further, two ends of the steel cable 52 are respectively connected with a set of connecting components 8, and the two sets of connecting components 8 respectively connect the two ends of the steel cable 52 to the middle part of the traction rod 53 and the top part of the traction rod 53; the linking component 8 comprises a cross rod 81, an adjusting screw 82, a fastening nut 83, a pressing sleeve 84 and a locking bolt 85, the cross rod 81 is fixedly arranged on the traction rod 53 in a penetrating mode, the adjusting screw 82 is arranged on the cross rod 81 in a penetrating mode, the fastening nut 83 is arranged at one end of the adjusting screw 82 in a rotating mode, the fastening nut 83 abuts against the cross rod 81, the pressing sleeve 84 is arranged at the other end of the adjusting screw 82 in a rotating mode, the pressing sleeve 84 is sleeved on the end portion of the steel cable 52, the locking bolt 85 is arranged on the pressing sleeve 84 in a rotating mode, the steel cable 52 is fixed in the sleeve through the locking bolt 85, the cross rod 81, the adjusting screw 82 and the fastening nut 83 are used in a matching mode, the linking component 8 can be fixed on the traction rod 53, the tightness degree of the steel cable 52 can be adjusted through adjusting the positions of the fastening nut 83 and the adjusting screw 82, the locking bolt 85 is arranged in multiple groups, and the fixing effect of the locking bolt 85 on the pressing sleeve can be enhanced.

In addition, the above-mentioned gate door frame 1 and dredging pipe 32, between breather pipe 31 and gate door frame 1, between first speed reducer 413 and gate door frame 1, between hanger 514 and gate door frame 1, between second speed reducer 513 and hanger 514, between first protective shell 411 and gate door frame 1, between second protective shell 511 and gate door frame 1, between threaded sleeve 43 and gate door panel 2, between angle steel connector 9 and gate door frame 1, between connecting piece and drawbar 53 can adopt the bolt connection mode to connect, wherein the first driving motor 412 can be installed on first speed reducer 413, the second driving motor 512 can be installed on second protective shell 511, the material and specification of the venting bolt can be selected according to the actual use condition, the elastic protection cover 6 can be made of elastic material such as rubber; the specific structures and operating principles of the first speed reducer 413, the second speed reducer 513, the air release bolt, the first driving motor 412, the second driving motor 512 and the angle steel connecting piece 9 all belong to the prior art in the technical field, and the invention does not improve the structures and the operating principles, so that the detailed description is omitted.

The automatic gate dredging method is adopted, so that the sediment amount of sediment at the bottom of the gate can be reduced, part of the sediment deposited at the bottom of the gate can be taken away, and the automatic gate dredging effect is realized; by adopting the gas dredging device 3, the airflow generated by the gas dredging device 3 is utilized to disturb the water flow at the bottom of the gate, so that the water flow near the bottom of the gate is always in a flowing state, and further, silt in water cannot be settled, and meanwhile, the flowing water flow is utilized to take away part of silt accumulated at the bottom of the gate frame 1, so that the silt is prevented from being accumulated at the bottom of the gate frame 1, and the normal opening and closing between the gate plate 2 and the gate frame 1 are ensured, and the gate plate and the gate frame have better sealing performance; according to the invention, the plurality of groups of air exhaust plugs are arranged at the air outlet ends of the dredging pipes 32 in the gas dredging device 3, so that silt in water can be prevented from being poured into the dredging pipes 32, and the device also has better corrosion resistance, the service life of the gas dredging device 3 can be prolonged, and the air flow discharged by the air exhaust plugs is more uniform, so that the device has better dredging effect; according to the invention, the gate door plate 2 can be controlled by adopting the screw lifting device or the steel cable lifting device to discharge and intercept water flow in the water channel, and when the screw lifting device is adopted, the structure is simple, the manufacturing cost is lower, and the maintenance is easy; when the steel cable lifting device is adopted, the gate can be more stably opened and closed, the protection performance on the gate is better, the capability of being interfered by the outside is stronger, and the stability is better; taking example 1 as an example, the specific application method of the invention is as follows:

when water flow in a river channel is introduced into a water channel, the screw lifting device drives the gate door panel 2 to ascend, the first driving motor 412 rotates, and the first speed reducer 413 drives the screw to rotate, so that the screw drives the threaded sleeve 43 to ascend through threads, the ascending threaded sleeve 43 drives the gate door panel 2 to approach the top of the gate door frame 1, the bottom of the gate door panel 2 is separated from the gate door frame 1, and at the moment, the water flow in the river channel enters the water channel through the gate; after irrigation is finished, the screw lifting device is used for driving the gate plate 2 to close the water channel, at the moment, the first driving motor 412 rotates reversely, the first speed reducer 413 drives the threaded rod 42 to rotate reversely, so that the threaded rod 42 drives the gate plate 2 to descend through the threaded sleeve 43 until the bottom of the gate plate 2 is in contact with and abutted against the gate door frame 1, the gate is closed, and water flow entering the water channel in the river channel is stopped;

treat the gate and close the back, let in gas to the gaseous desilting device 3 that is located the gate bottom, and make gas constantly discharge from the gate bottom by the end of giving vent to anger of gaseous desilting device 3, utilize near the rivers of mobility disturbance gate bottom of exhaust air current, avoid aquatic silt to pile up near the gate bottom, and make rivers take away the sedimentary silt in this region, the rivers of gate bottom can be disturbed by the produced air current of gas, make it drive the continuous motion of rivers, avoid aquatic silt to stew and subside, simultaneously, the rivers that receive the disturbance also can drive the unnecessary silt of gate bottom, thereby reach the purpose of desilting, open the gate next time.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides an automatic desilting method of integration gate which characterized in that: the method comprises the following steps:

step one, introducing gas into a gas dredging device (3) positioned at the bottom of the gate;

continuously discharging gas from the bottom of the gate through the gas outlet end of the gas dredging device (3), and disturbing water flow near the bottom of the gate by using the discharged gas to avoid the accumulation of silt in water near the bottom of the gate;

when the gate is closed, the gas dredging device (3) comprises a vent pipe (31) for supplying gas, a dredging pipe (32) communicated with the gas outlet end of the vent pipe (31), and a plurality of groups of gas nozzles (33) uniformly distributed on the dredging pipe (32), wherein the gas sprayed by the gas nozzles (33) is used for disturbing the water flow in the bottom area of the gate, and is also used for reducing the sediment amount of the sediment in the bottom area of the gate;

when the gate is opened, stopping introducing the gas into the gas dredging device (3).

2. The automatic dredging method of the integrated gate according to claim 1, characterized in that: the width of the gate is smaller than the width of the gas escaping from the gas outlet end of the gas dredging device (3).

3. The automatic dredging method of the integrated gate according to claim 1, characterized in that: the gas dredging device (3) is arranged on one side close to the water inlet end of the gate.

4. The automatic dredging method of the integrated gate according to claim 1, characterized in that: the air tap (33) is arranged as an air-discharging bolt which is arranged at the air outlet end of the dredging pipe (32).

5. The automatic dredging method of the integrated gate according to claim 1, characterized in that: the air tap (33) is arranged as a vent valve which is arranged at the air outlet end of the dredging pipe (32).

6. The automatic dredging method for the integrated gate according to claim 1, characterized in that: the air inlet end of the breather pipe (31) is connected with an air source generating device, and the air source generating device is used for providing air for the air dredging device (3).

7. The automatic dredging method of the integrated gate according to claim 1, characterized in that: dredging pipe (32) top be provided with the guard plate, guard plate and gate bottom fixed connection, the guard plate is used for protecting the junction between air cock (33) and dredging pipe (32).

8. The automatic dredging method of the integrated gate according to claim 7, characterized in that: the protection plate is a strip-shaped plate or an arc-shaped plate.