CN116969615A - An underwater fixing system for aerator components and a fixing method thereof - Google Patents

Abstract

An underwater fixing system for an aerator component and a fixing method thereof. The fixing system includes an aerator component and a fixing device, as well as a lifting device capable of driving the aerator component to rise and fall in the pool body. The fixing device includes a clamping device. mechanism and a power mechanism connected to it through a transmission mechanism. The power mechanism is located above the liquid level of the pool. The transmission mechanism includes a vertically arranged thrust lever arm and a horizontally arranged transverse lever arm. The transverse lever arm is transmission connected with the clamping mechanism. The upper end of the thrust lever arm is connected to the power mechanism, and the lower end is connected to the transverse lever arm through a transfer unit. The power mechanism can drive the thrust lever arm to move vertically up and down, and then drive the transverse lever arm to move laterally through the transfer unit, and finally drive the clamping mechanism to clamp. Tighten or loosen the aerator assembly. The invention can realize the clamping and loosening of the aerator assembly at the bottom of the pool. The clamping is firm and will not cause displacement at the bottom of the pool. The aeration effect is greatly improved, and the lifting and lowering of the aerator assembly is also possible. Smooth, low difficulty level.

Description

An underwater fixing system for aerator components and a fixing method thereof

Technical field

The invention relates to the technical field of sewage treatment, specifically an underwater fixing system for an aerator assembly and a fixing method thereof.

Background technique

The sewage treatment biochemical system is the core facility in the sewage treatment process. The aerator component continuously inputs air into the sewage in the biochemical tank to ensure the activity of aerobic microorganisms and achieve the purpose of degrading organic matter in the sewage through microbial metabolic activities.

During the use of the aerator on the aerator assembly, as the service life ends, phenomena such as aging, tearing and damage will occur, which will affect the aeration effect. In order to solve these problems, operation and maintenance personnel must regularly remove the aerator. The aerator components are lifted above the water surface for replacement and repair, and then placed at the bottom of the biochemical pool after the repair is completed.

In this step, the clamping requirements for the aerator component are relatively high, and the aerator component needs to be flexibly clamped and loosened at the bottom of the pool. However, the clamping system in the prior art has an aerator component that The clamping at the bottom of the pool is not firm, and the aerator component cannot be flexibly clamped and loosened. Moreover, because the clamping is not firm enough, the aerator component is more likely to fall apart when affected by the buoyancy and flow impact of water. The bottom of the pool is displaced, resulting in poor aeration effect and making it more difficult to upgrade the aerator components.

Contents of the invention

The object of the present invention is to provide an underwater fixing system and a fixing method for an aerator component, which can realize the clamping of the aerator component at the bottom of the pool, and flexibly clamp and loosen the aerator component to match When the lifting device lifts the aerator component, even if it is affected by the buoyancy and flow impact of the water, it will not be displaced at the bottom of the pool. It can continuously input air into the pool body, greatly improving the aeration effect, and its lifting and lowering are stable. , the difficulty of improvement is relatively low.

The technical solution of the present invention is as follows:

An underwater fixing system for an aerator component is placed in the body of a biochemical pool. The wall of the biochemical pool is used as a carrier to fix the aerator component on the bottom of the pool. It specifically includes an aerator component located in the body of the pool and a fixed system. device and a lifting device, the lifting device can drive the aerator assembly to rise and fall in the pool body, the fixing device can fix the aerator assembly moved to the bottom of the pool body, the lifting device includes a device arranged above the pool body Through the spiral lifting mechanism driven by the power mechanism, the output end of the spiral lifting mechanism can drive the aerator component to lift. It should be noted that the lifting device here can also use the existing technology that can drive the aerator component. A lifting device that lifts up and down in the pool body. This lifting device is a conventional setting and will not be described in detail here;

The aerator assembly includes a support rod located horizontally at the bottom of the aerator assembly, and a plurality of clamping rods perpendicular to the support rod;

The fixing device includes a clamping mechanism and a power mechanism drivingly connected to it through a transmission mechanism, and the power mechanism is located above the liquid level of the pool body;

The transmission mechanism includes a vertically arranged thrust lever arm and a horizontally arranged transverse lever arm. The transverse lever arm is transmission connected to the clamping mechanism. The upper end of the thrust lever arm is connected to the power mechanism, and the lower end is connected to the power mechanism. The transverse lever arm is connected through a transmission unit, and the power mechanism can drive the thrust lever arm to move vertically up and down, and then drive the transverse lever arm to move laterally through the transfer unit, and finally drive the clamping mechanism to clamp or Release the clamping lever.

For an underwater fixing system of an aerator component as described above, the settings of the transfer unit are as follows:

The transfer unit includes a connecting piece, a fixed base, a first lever arm and a second lever arm;

The connecting piece is fixed on the lower end of the thrust lever arm, and has a transverse chute on it;

One end of the first lever arm and the second lever arm is hingedly connected through a first hinge piece, and the other end is inclined downward and pointed toward different sides of the first hinge piece, and the first hinge piece is slidingly connected to the connecting piece;

The fixed base is connected to the bottom of the pool, and a hollow sleeve is transversely provided on it. The lower end of the first lever arm is hingedly connected to the fixed base. One end of the transverse lever arm passes through the sleeve and the lower end of the second lever arm. It is hingedly connected, and the clamping mechanism is drivingly connected to the other end.

An underwater fixing system for an aerator component as described above, the settings of the clamping mechanism are as follows:

The clamping mechanism includes a fixed clamp arranged at the bottom of the pool body. The fixed clamp includes two clamp chucks located opposite each other at its upper end. The clamp chucks are drivingly connected to the transverse lever arm through an opening and closing mechanism.

The fixed clamp also includes a base connected to the bottom of the pool body, the clamp chuck is rotationally connected to the base, and the rotation connection position is provided with a rotating rod that can drive the rotation;

Furthermore, two oppositely arranged clamp chucks are formed into a clamp group, and each fixed clamp is provided with two sets of the clamp groups opposite each other. In this solution, two fixed clamps can be set, and the two fixed clamps are located on the same In a straight line, the clamp chucks on the two clamp sets are clamped on both ends of the clamp rod respectively. In this way, both ends of the two clamp rods on the aerator assembly are clamped. Tight, its two clamping rods are selected to be two clamping rods evenly distributed on the support rods of the aerator assembly, so that the aerator assembly can be clamped more firmly at the bottom of the pool without Displacement occurs for better aeration.

The opening and closing mechanism includes three driving rods, one ends of the three driving rods are hingedly connected through the second hinge, and the outer ends of the two driving rods point to different sides of the second hinge and are hingedly connected to the two rotating rods respectively. The outer end of the other driving rod points downward, and is hinged with a power rod and a pull rod through a third hinge;

The outer end of the pull rod points downward and is hingedly connected to the base. The outer end of the power rod points to one side of the third hinge and is hingedly connected to the transverse lever arm. In order to make the power lever and the transverse lever arm transmission connected To be more stable, in the middle of the two bases in the two fixed clamps, there are relatively fixed pieces similar to the above-mentioned sleeves that can provide guidance for the transverse movement of the transverse lever arm, so that the transverse lever arm can move horizontally Movement is smoother and more reliable.

An underwater fixing system for an aerator assembly as described above also includes a first conduit arranged vertically in the pool body, the power mechanism is located inside the upper end of the first conduit, and the power mechanism is an electric push rod. The upper end of the first conduit extends out of the liquid level plane of the pool body, so that the electric push rod is always above the liquid level plane of the pool body, protecting the electric push rod from being immersed and corroded by sewage in the pool body, and the electric push rod is located on the first The interior of the conduit is further protection for the electric actuator.

According to the structural arrangement of the transfer unit and the above-mentioned first conduit in this solution, an escape opening is opened at the lower end of the first conduit, the escape opening penetrates both sides of the first conduit, and the transverse lever arm passes through The escape opening is provided to facilitate the passage of the transverse lever arm and facilitate the horizontal and transverse movement of the transverse lever arm.

Further, a limiting piece is provided in the first conduit, the thrust lever arm is disposed through the limiting piece, and the thrust lever arm can move vertically up and down in the limiting piece, and the limiting piece The position member is used to limit the swing of the thrust lever arm so that the thrust lever arm can only move vertically up and down inside the first conduit.

In order to enable the aerator assembly to move smoothly up and down in the pool body driven by the lifting device, a first guide rod is provided on the opposite side of the first conduit, and both sides of the aerator assembly The ends are slidingly connected to the first conduit and the first guide rod respectively. A connecting block with a chute can be provided at both ends. The size of the chute is adapted to the outer dimensions of the first conduit and the first guide rod. , and can slide vertically up and down along the first conduit and the first guide rod to provide guidance for the lifting device to lift the aerator assembly.

In order to reduce the corrosive influence of sewage in the pool on the fixing system of the present invention, the materials of the fixing device, the first conduit and the first guide rod, and the components located below the liquid level of the pool are all set to stainless steel.

The invention also provides a fixing method using the above-mentioned underwater fixing system of an aerator assembly, which includes the following steps:

S1. It is preset that the aerator component is above the liquid level of the pool, and the clamping mechanism is in a loosened state under normal conditions;

S2. Control the action of the lifting device to move the aerator component smoothly downward until the clamping rod is in a position where the clamping mechanism can clamp it;

S3. Control the action of the power mechanism to drive the clamping mechanism to clamp the clamp rod;

The specific steps for the clamping mechanism to clamp the clamping rod are:

S3.1. Control the power mechanism to drive the thrust lever arm to move upward;

S3.2. The thrust lever arm moves upward, driving the transfer unit to pull the transverse lever arm to move laterally;

S3.3. The transverse lever arm moves laterally, and finally drives the clamping mechanism to clamp the clamping rod to securely fix the aerator assembly to the bottom of the pool.

The beneficial effects of an underwater fixing system for an aerator component of the present invention are:

When the aerator assembly needs to be lifted above the pool liquid level for maintenance, its fixed clamp can be driven by the power mechanism and cooperate with the transmission mechanism and the opening and closing mechanism to quickly open the clamp chuck, and then loosen all the fixtures. After the clamped aerator component is repaired, the lifting device is used to lower the aerator component to its original position, so that the clamp head can be quickly closed, and then the aerator component is clamped to realize the aerator component. Free clamping and loosening, the overall operation is convenient, the structure of each part is relatively simple, easy to disassemble and assemble, not only can the entire set of liftable diffuser components be lifted and lowered smoothly, but also the diffuser component can be firmly fixed It is fixed on the bottom of the pool without displacement, which improves the aeration effect.

Description of the drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art by reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be construed as limiting the invention.

In the attached picture:

Figure 1 is a front view of an underwater fixing system of an aerator assembly according to the present invention;

Figure 2 is a schematic diagram of the internal structure of Figure 1;

Figure 3 is a front view of the fixing fixture in Figure 1;

Figure 4 is a schematic diagram of the forward structure of the opening and closing mechanism in Figure 2;

Figure 5 is a lateral structural diagram of Figure 3;

Figure 6 is a schematic structural diagram of the transmission mechanism in Figure 2 (enlarged);

Figure 7 is a schematic diagram of the internal structure of the first conduit in Figure 1;

Figure 8 is a lateral structural diagram of Figure 7;

Figure 9 is a top view of the aerator assembly in Figure 1;

The components represented by each reference number in the figure are:

1. Pool body; 2. Aerator assembly; 21. Support rod; 22. Clamp rod; 23. Guide block; 231. Slide mouth; 3. Clamping mechanism; 31. Opening and closing mechanism; 311. First driving rod ; 312. Second driving rod; 313. Third driving rod; 314. Rotating rod; 315. Pull rod; 316. Power rod; 32. Fixed fixture; 321. Base; 322. Clamp chuck; 4. Transmission mechanism; 5 , power mechanism; 51. thrust lever arm; 52. fixed seat; 53. first lever arm; 54. second lever arm; 55. transverse lever arm; 56. connector; 57. casing; 6. first conduit ; 61. Avoidance opening; 62. Limiting member; 7. First guide rod.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. The present disclosure can be implemented in various forms and should not be used as described here. limited by the implementation.

The orientations "front and back", "left and right", etc. mentioned in the present invention are only used to express relative positional relationships and are not bound by any specific direction reference in practical applications.

Example

Referring to Figure 1, in this embodiment, an underwater fixing system for an aerator assembly is placed in the body of a biochemical pool 1, and uses the wall of the biochemical pool as a carrier to fix the aerator assembly 2 to the bottom of the pool. Specifically, It includes an aerator assembly 2, a fixing device and a lifting device located in the pool body 1. The lifting device can drive the aerator assembly 2 to rise and fall in the pool body 1. The fixing device can move it to the pool body. 1. The aerator component 2 at the bottom is fixed. The lifting device includes a spiral lifting mechanism that is arranged above the pool body and driven by a power mechanism. The output end of the spiral lifting mechanism can drive the aerator component to lift. It should be noted that this The lifting device in the embodiment is a conventional arrangement in the prior art, and therefore will not be shown too much in the drawings of this embodiment.

The aerator assembly 2 includes a support rod 21 arranged horizontally at its bottom, and a plurality of clamping rods 22 perpendicular to the support rod 21, see Figure 9 .

Referring to Figures 1 and 2, the fixing device includes a clamping mechanism 3 and a power mechanism 5 connected with it through a transmission mechanism 4. The power mechanism 5 is located above the liquid level of the pool 1. The transmission mechanism 4 includes a vertical A straight thrust lever arm 51 and a horizontally arranged transverse lever arm 55 are drivingly connected to the clamping mechanism 3. The upper end of the thrust lever arm 51 is connected to the power mechanism 5, and the lower end is connected to the power mechanism 5. The transverse lever arm 55 is connected through a transfer unit, and the power mechanism 5 can drive the thrust lever arm 51 to move vertically up and down, and then drive the transverse lever arm 55 to move laterally through the transfer unit, and finally drive the clamping The mechanism 3 clamps or loosens the clamping rod 22 and then clamps the aerator assembly 2 .

Regarding the arrangement of the above-mentioned transfer unit, combined with Figure 2 and Figure 6, the transfer unit includes a connecting piece 56, a fixed seat 52, a first lever arm 53 and a second lever arm 54. The structure of each part is as follows:

The connecting piece 56 is fixed on the lower end of the thrust lever arm 51, and has a transverse chute on it, as shown in Figure 6. What is more specifically shown is that the shape of the connecting piece 56 is a square body, and the transverse chute is Open laterally in the middle, the connector 56 is welded and connected to the lower end of the thrust lever arm 51;

One end of the first lever arm 53 and the second lever arm 54 is hingedly connected through a first hinge member, and the other end is inclined downward and points to different sides of the first hinge member. The first hinge member slides with the connecting member 56 Connection, the first hinge is cylindrical, its diameter size is adapted to the width size of the transverse chute on the connecting piece 56, and it can slide smoothly along its length direction in its transverse chute;

The fixed seat 52 is connected to the bottom of the pool, and a hollow sleeve 57 is disposed transversely on it. The lower end of the first lever arm 53 is hingedly connected to the fixed seat 52, and one end of the transverse lever arm 55 passes through the sleeve 57 and the fixed seat 52. The lower end of the second lever arm 54 is hingedly connected, and the other end is drivingly connected with the clamping mechanism 3 .

Regarding the arrangement of the above-mentioned clamping mechanism 3, with reference to Figures 2-5, the clamping mechanism 3 includes a fixed clamp 32 arranged at the bottom of the pool body 1. The fixed clamp 32 includes two clamp chucks located oppositely located at its upper end. 322. The clamp chuck 322 is drivingly connected to the transverse lever arm 55 through the opening and closing mechanism 31. The specific settings of the fixed clamp 32 and the opening and closing mechanism 31 are as follows:

The fixed clamp 32 also includes a base 321 connected to the bottom of the pool body 1. The clamp chuck 322 is rotationally connected to the base 321, and a rotation rod 314 is provided at the rotation connection position to drive the rotation;

Further, with reference to Figures 2 and 5, in this embodiment, there are two fixed clamps 32. The two fixed clamps 32 are located on the same straight line. Two oppositely arranged clamp chucks 322 form a clamp group. Two fixed clamps 32 are provided with two sets of clamp sets opposite each other, so that the clamp heads 322 of the two sets of clamp sets are clamped at both ends of the clamp rod 22 respectively. In this way, the aerator assembly Both ends of the two clamping rods 22 on the aerator assembly 2 are clamped, and the two clamping rods 22 are selected to be evenly distributed on the support rod 21 of the aerator assembly 2, so that all the clamping rods 22 can be clamped. The aerator component 2 is more firmly clamped at the bottom of the pool body 1 and will not be displaced, so as to obtain better aeration effect.

The opening and closing mechanism 31 includes three driving rods, which are respectively a first driving rod 311, a second driving rod 312 and a third driving rod 313. The first driving rod 311, the second driving rod 312 and the third driving rod 313 are respectively. One end of the three driving rods 313 is hingedly connected through the second hinge, wherein the outer ends of the second driving rod 312 and the third driving rod 313 point to different sides of the second hinge and are respectively hingedly connected with the two rotating rods 314, so The outer end of the first driving rod 311 points downward, and is hingedly connected with a power rod 316 and a pull rod 315 through a third hinge. The outer end of the pull rod 315 points downward and is hingedly connected to the base 321. The outer end of the power rod 316 points downward. The third hinge is hingedly connected to the transverse lever arm 55 on one side, wherein the opening and closing mechanism 31 is provided in the base 321, and in order to make the transmission connection between the power lever 316 and the transverse lever arm 55 more precise. Smoothly, in the middle of the two bases 321 in the two fixed clamps 32, there are relatively fixed pieces similar to the above-mentioned sleeves 57 that can provide guidance for the lateral movement of the transverse lever arm 55, so that the transverse lever The lateral movement of the arm 55 is more stable and reliable.

Preferably, the power mechanism 5 is set as an electric push rod, which has small size, high precision, complete synchronization, good self-locking performance, and is environmentally friendly. It is directly driven by a motor and does not require pipeline air sources and oil. road.

Further, as shown in Figure 1, a first conduit 6 is vertically provided in the pool body 1, and its electric push rod is located inside the upper end of the first conduit 6, and the upper end of the first conduit 6 extends out of the pool body 1 The liquid level level ensures that the electric push rod is always above the liquid level level of the pool body 1 to protect the electric push rod from being immersed and corroded by the sewage in the pool body 1, and the electric push rod is located inside the first conduit 6. Further protection for electric actuators.

Referring to Figures 7 and 8, since the above-mentioned electric push rod is provided inside the upper end of the first conduit 6, the corresponding transverse lever arm 55 needs to be disposed through the first conduit 6. Specifically, in the first conduit 6 An escape opening 61 is provided at the lower end of 6, and the escape opening 61 passes through both sides of the first conduit 6. The transverse lever arm 55 is arranged through the escape opening 61, and the arrangement of the escape opening 61 facilitates the The passage of the transverse lever arm 55 facilitates the horizontal and transverse movement of the transverse lever arm 55 .

Further, with reference to Figures 2 and 7, in order to prevent the thrust lever arm 51 from swinging, a limiter 62 is provided in the first conduit 6, and the thrust lever arm 51 is disposed through the limiter 62. , the thrust lever arm 51 can move vertically up and down in the limiter 62, the limiter 62 is used to limit the swing of the thrust lever arm 51, so that the thrust lever arm 51 can only move in a certain position. The inside of the first conduit 6 moves vertically up and down.

Further, with reference to Figure 1, in order to enable the aerator assembly 2 to move up and down smoothly in the pool 1 driven by the lifting device, a first pipe is provided on the opposite side of the first conduit 6. Guide rod 7. The two ends of the aerator assembly 2 are slidingly connected to the first conduit 6 and the first guide rod 7 respectively. A connecting block with a chute can be provided at both ends of the aerator assembly 2. The size of the chute is the same as that of the first guide rod 7. The outer dimensions of the first conduit 6 and the first guide rod 7 are adapted and can slide vertically up and down along the first conduit 6 and the first guide rod 7, so that the lifting device can lift the aerator assembly. 2's promotion provides guidance.

In order to make the lifting and lowering of the aerator assembly 2 more stable, a guide block 23 is provided at both ends of the aerator assembly 2, and a sliding opening 231 is provided in the middle of the guide block 23, so The guide block 23 is slidably matched with the first conduit 6 and the first guide rod 7 through the sliding opening 231 respectively.

Referring to Figure 1-6, a method for fixing an underwater fixing system of an aerator component includes the following steps:

S1. It is preset that the aerator assembly 2 is located above the liquid level of the pool body 1, and the clamping mechanism 3 is in a loosened state under normal conditions, that is, in the clamp group on the fixed clamp 32, the clamping mechanism 3 is in a relatively disposed position. The two clamp chucks 322 are in a released state;

S2. Control the action of the lifting device to make the aerator assembly 2 move downward smoothly until the clamping rod 22 is in a position where the clamping mechanism 3 can clamp it;

S3. Start the electric push rod, control the action of the electric push rod, and drive the clamping mechanism 3 to clamp the clamp rod 22;

The specific steps for the clamping mechanism 3 to clamp the clamping rod 22 are:

S3.1. Control the electric push rod to drive the thrust lever arm 51 to move upward along the first conduit 6;

S3.2. The thrust lever arm 51 moves upward, driving the transfer unit to pull the transverse lever arm 55 to move laterally. Specifically: the output end of the thrust lever arm 51 acts on the transfer unit, driving the transverse lever arm 55 in the transfer unit. The first lever arm 53 and the second lever arm 54 slide in the transverse slide groove of the connecting member 56, so that the transverse lever arm 55 moves laterally in the direction of the fixed clamp 32 in the sleeve 57 provided on the fixed base 52, so that the second The distance from the hinge point position of the lever arm 54 and the transverse lever arm 55 to the hinge point position between the first lever arm 53 and the fixed base 52 is shortened, thereby causing the transverse lever arm 55 to move in the direction of the fixed clamp 32;

S3.3. The transverse lever arm 55 moves laterally, and finally drives the clamping mechanism 3 to clamp the clamping rod 22 to securely fix the aerator assembly 2 to the bottom of the pool. Specifically: The transverse lever arm 55 moves toward the direction of the fixed clamp 32, thereby driving the power rod 316 to move toward the end away from the fixed base 52, and pulling the pull rod 315 and the first driving rod 311 to move toward the end away from the fixed base 52 at the common hinge point position. Since the other end of the pull rod 315 can only rotate at the hinge point hinged with the base 321, the first drive rod 311, the second drive rod 312 and the third drive rod 313 are pulled downward by the pull rod 315, thereby moving between the two sides. Under the action of the two rotating rods 314, the two clamp chucks 322 arranged oppositely in the clamp group on the fixed clamp 32 are finally driven to rotate relative to each other, thereby firmly fixing the aerator assembly 2 to the bottom of the pool.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of changes or modifications within the technical scope disclosed in the present invention. All additions, deletions, and substitutions shall be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. The underwater aerator assembly fixing system comprises an aerator assembly (2) arranged in a tank body (1) and a lifting device, wherein the lifting device can drive the aerator assembly (2) to lift in the tank body (1), and the underwater aerator assembly fixing system is characterized by further comprising a fixing device, wherein the fixing device can fix the aerator assembly (2) which moves to the bottom of the tank body (1);

the aerator assembly (2) comprises a supporting rod (21) which is horizontally arranged at the bottom of the aerator assembly, and a plurality of clamping rods (22) which are perpendicular to the supporting rod (21) are arranged on the supporting rod;

the fixing device comprises a clamping mechanism (3) and a power mechanism (4) in transmission connection with the clamping mechanism through a transmission mechanism (5), wherein the power mechanism (4) is positioned above the liquid level plane of the tank body (1);

the transmission mechanism (5) comprises a vertically arranged thrust lever arm (51) and a horizontally arranged transverse lever arm (55), the transverse lever arm (55) is in transmission connection with the clamping mechanism (3), the upper end of the thrust lever arm (51) is connected with the power mechanism (4), the lower end of the thrust lever arm is in transmission connection with the transverse lever arm (55) through a transfer unit, the power mechanism (4) can drive the thrust lever arm (51) to vertically move up and down, and then the transverse lever arm (55) is driven to transversely move through the transfer unit, and finally the clamping mechanism (3) is driven to clamp or loosen the clamping lever (22).

2. An aerator assembly underwater fixation system as in claim 1 wherein the transfer unit comprises a connector (56), a mount (52), a first lever arm (53) and a second lever arm (54);

the connecting piece (56) is fixedly connected to the lower end of the thrust lever arm (51), and a transverse chute is formed in the connecting piece;

one end of the first lever arm (53) and one end of the second lever arm (54) are hinged through a first hinge piece, the other end of the first lever arm is obliquely downwards directed to different sides of the first hinge piece, and the first hinge piece is in sliding connection with the connecting piece;

the fixed seat (52) is connected with the bottom of the pool, a hollow sleeve (57) is transversely arranged on the fixed seat, the lower end of the first lever arm (53) is hinged with the fixed seat (52), one end of the transverse lever arm (55) penetrates through the sleeve (57) to be hinged with the lower end of the second lever arm (54), and the other end of the transverse lever arm is in transmission connection with the clamping mechanism (3).

3. An aerator assembly underwater fixation system as claimed in claim 2, wherein the clamping mechanism (3) comprises a fixation clamp (32) arranged at the bottom of the tank body (1), the fixation clamp (32) comprises two clamp chucks (322) arranged opposite to each other at the upper end of the fixation clamp, and the clamp chucks (322) are in transmission connection with the transverse lever arm (55) through an opening and closing mechanism (31).

4. An aerator assembly underwater fixing system as claimed in claim 3, wherein the fixing clamp (32) further comprises a base (321) connected with the bottom of the tank body (1), the clamp head (322) is rotatably connected with the base (321), and a rotating rod (314) capable of driving the rotating rod to rotate is arranged at the rotating connection position;

the opening and closing mechanism (31) comprises three driving rods, one ends of the three driving rods are hinged through a second hinge, wherein the outer ends of the two driving rods point to different sides of the second hinge and are respectively hinged with two rotating rods (314), the outer ends of the other driving rods point to the lower side, and a power rod (316) and a pull rod (315) are hinged through a third hinge;

the outer end of the pull rod (315) points downwards and is hinged with the base (321), and the outer end of the power rod (316) points to one side of the third hinge piece and is hinged with the transverse lever arm (55).

5. An aerator assembly underwater fixation system as in claim 4 wherein two oppositely disposed clamp cartridges (322) form a set of clamp groups, and wherein at least two of said clamp groups are oppositely disposed on said fixation clamp (32).

6. An aerator assembly underwater fixation system as in claim 1 further comprising a first conduit (6) disposed vertically within the tank (1), the power mechanism (4) being disposed within the upper end thereof.

7. An aerator assembly underwater fixation system as claimed in claim 6 wherein the lower end of the first conduit (6) is provided with an avoidance port (61), the avoidance port (61) is through the two sides of the first conduit (6), and the transverse lever arm (55) is disposed through the avoidance port (61).

8. An aerator assembly underwater fixation system as claimed in claim 6 wherein a stop (62) is provided in the first conduit (6), the thrust lever arm (55) being disposed through the stop (62).

9. An aerator assembly underwater fixation system as claimed in claim 6 wherein the opposite side of the first conduit (6) is provided with a first guide bar (7), and the two ends of the aerator assembly (2) are slidably connected to the first conduit (6) and the first guide bar (7), respectively.

10. A method of securing an aerator assembly underwater securing system as claimed in any one of claims 1 to 9 comprising the steps of:

s1, presetting that the aerator assembly (2) is positioned above a liquid level plane of the tank body (1), wherein the clamping mechanism (3) is in a loosening state in a normal state;

s2, controlling the lifting device to act, so that the aerator assembly (2) stably moves downwards until the clamping rod (22) is positioned at a position where the clamping mechanism (3) can clamp the aerator assembly;

s3, controlling the power mechanism (4) to act so as to drive the clamping mechanism (3) to clamp the clamping rod (22);

s3.1, controlling the power mechanism (4) to drive the thrust lever arm (55) to move upwards;

s3.2, the thrust lever arm (55) moves upwards to drive the transfer unit to pull the transverse lever arm (55) to move transversely;

and S3.3, the transverse lever arm (55) transversely moves and finally drives the clamping mechanism (3) to clamp the clamping lever (22).