Hoisting device convenient for folding and unfolding stirrer

By designing a stirrer lifting device that is easy to retract and release, the combination of winch, fixed pulley, anchor hook and magnet is used to solve the problem of the suspension ring and chain breaking during the lifting process of underwater equipment, and the convenient maintenance and maintenance of the stirrer is achieved, and the service life of the equipment is extended.

CN222593180UActive Publication Date: 2025-03-11CHANGSHA ECONOMIC & TECH DEV ZONE WATER PURIFICATION ENG CO LTD
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Patent Information

Application Number
CN202420996940.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-11
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The underwater equipment used in sewage treatment plants often breaks the lifting ring and chain due to vibration and water flow friction during the lifting process. The pre-installed wire ropes and chains are easily entangled and difficult to clean up the garbage, and will be damaged when not in use.

Method used

A stirrer lifting device is designed for easy retraction and release, including a stirrer guide rod, winch, fixed pulley, anchor hook, positioning guide rod and magnet. The wire rope is driven to be wound through the winch and fixed by the fixed pulley and anchor hook, and the magnet is used to achieve stable lifting and lowering of the stirrer.

Benefits of technology

It realizes convenient retraction and placement of the agitator, avoids breakage of the suspended ring and chain, reduces the risk of wire rope and chain wrapping garbage, extends the service life of the equipment, and improves the efficiency of maintenance and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hoisting device comprises a stirrer guide rod, and the bottom of the stirrer guide rod is connected with the stirrer in a sliding mode. By arranging the hoisting assembly, when the stirrer needs to be collected and released, the hoisting assembly is driven by the winch to move, and then the hoisting assembly drives the stirrer to lift through the positioning assembly, so that the effect of convenient collection and release is achieved, and the problem that a lot of underwater equipment used by a sewage treatment plant is inconvenient to use is solved. A water impeller, a stirrer and a submersible sewage pump often need to be hoisted out to be repaired and maintained, generally, a steel wire rope and a hoisting ring or a chain and a hoisting ring are preassembled on equipment for connection, the hoisting ring and the chain which are connected are often broken due to friction under the action of vibration and water flow, and therefore the equipment cannot be hoisted out normally. And meanwhile, a large amount of garbage is often wound on the steel wire rope and the chain and is very difficult to clean, and the preassembled steel wire rope and a lifting ring or the chain and the lifting ring are connected to lift out the equipment when needed, are completely useless at ordinary times and are damaged when being put into water.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a hoisting device that is convenient for retracting and releasing a stirrer. Background Art

[0002] Many underwater equipment used in sewage treatment plants, such as flow promoters, agitators, and submersible sewage pumps, often need to be hoisted out for repair and maintenance. Usually, wire ropes + rings or chains + rings are pre-installed on the equipment. Due to vibration and water flow, the connected rings and chains often break due to friction, which makes it impossible to hoist the equipment normally. At the same time, a large amount of garbage is often entangled on the wire ropes and chains, which is extremely difficult to clean. The pre-installed wire ropes + rings or chains + rings are used to hoist the equipment when needed, but are completely useless at other times and may be damaged if put into water. Therefore, it is urgent to design a hoisting device that is only used during hoisting and is convenient for retracting and releasing the agitator to solve the above problems. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a lifting device that is convenient for retracting and releasing the agitator, which has the advantage of being easy to retract and release for repair and maintenance of the agitator, and solves the problem that many underwater equipment used in sewage treatment plants, such as flow thrusters, agitators, and submersible sewage pumps, often need to be lifted out for repair and maintenance. Usually, wire ropes + lifting rings or chains + lifting rings are pre-installed on the equipment. Due to the effects of vibration and water flow, the connected lifting rings and chains are often broken due to friction, which makes it impossible to lift the equipment normally. At the same time, a large amount of garbage is often entangled on the wire ropes and chains, which are extremely difficult to clean. Moreover, the pre-installed wire ropes + lifting rings or chains + lifting rings are used to lift out the equipment when needed, and are completely useless at other times. They may be damaged if put into water.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device that is convenient for retracting and releasing an agitator, comprising an agitator guide rod, the bottom of the agitator guide rod is slidably connected to the agitator, the bottom of the agitator guide rod is fixedly connected to the bottom of the displacement agitator with an agitator base, the top of the agitator guide rod is fixedly connected to a winch, a fixed pulley is movably installed on the right side of the top of the agitator guide rod through a fixing piece, the top of the agitator is fixedly connected to an agitator lifting ear, a steel wire rope is wound around the surface of the winch, and the other end of the steel wire rope passes through the fixed pulley and is fixedly connected to a lifting assembly.

[0005] As a preferred embodiment of the utility model, the lifting assembly includes an anchor hook, the anchor hook is entangled with the other end of the wire rope, the bottom of the anchor hook is fixedly connected to a positioning guide rod, and the bottom of the positioning guide rod is fixedly connected to a positioning assembly.

[0006] As a preferred embodiment of the present invention, the positioning assembly includes an upper positioning magnet, the upper positioning magnet is fixedly connected to the bottom of the positioning guide rod, the top of the agitator is fixedly connected to a lower positioning magnet, and the upper positioning magnet and the lower positioning magnet are magnetically connected.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0008] 1. The utility model provides a lifting assembly. When the agitator needs to be retracted or released, the lifting assembly is driven to move by a winch, and then the lifting assembly drives the agitator to rise through a positioning assembly, thereby achieving the effect of convenient retraction and release, solving the problem that many underwater equipment used in sewage treatment plants, such as flow pushers, agitators, and submersible sewage pumps, often need to be lifted out for repair and maintenance. Usually, a wire rope + lifting ring or a chain + lifting ring connection is pre-installed on the equipment. Due to the effects of vibration and water flow, the connected lifting ring and chain are often broken due to friction, which makes it impossible to lift the equipment normally. At the same time, a large amount of garbage is often entangled on the wire rope and chain, which is extremely difficult to clean. The pre-installed wire rope + lifting ring or chain + lifting ring connection is for lifting the equipment when needed, which is completely useless at ordinary times and may be damaged when put into water, thereby achieving the effect of convenient retraction and release for repair and maintenance of the agitator.

[0009] 2. The utility model provides a lifting assembly to fix the anchor hook to the other end of the wire rope, and then fix the anchor hook to the positioning guide rod, so as to facilitate the subsequent retraction and deployment of the agitator.

[0010] 3. The utility model sets a positioning component so that the upper positioning magnet and the lower positioning magnet have opposite magnetic poles, thereby ensuring that the upper positioning magnet and the lower positioning magnet always attract each other at a fixed angle and position, thereby ensuring stability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the southwest isometric three-dimensional structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from another viewing angle.

[0014] In the figure: 1. capstan; 2. fixed pulley; 3. wire rope; 4. anchor hook; 5. positioning guide rod; 6. upper positioning magnet; 7. agitator lifting ear; 8. lower positioning magnet; 9. agitator; 10. agitator base; 11. agitator guide rod; A. lifting assembly; B. positioning assembly. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] like Figures 1 to 3 As shown, the utility model provides a lifting device for facilitating the folding and unfolding of an agitator, comprising an agitator guide rod 11, the bottom of the agitator guide rod 11 is slidably connected to the agitator 9, the bottom of the agitator guide rod 11 is fixedly connected to an agitator base 10, the top of the agitator guide rod 11 is fixedly connected to a winch 1, a fixed pulley 2 is movably mounted on the right side of the top of the agitator guide rod 11 through a fixing piece, the top of the agitator 9 is fixedly connected to an agitator lifting ear 7, a steel wire rope 3 is wound around the surface of the winch 1, and the other end of the steel wire rope 3 passes through the fixed pulley 2 and is fixedly connected to a lifting assembly A.

[0017] refer to Figure 1 The lifting component A includes an anchor hook 4, which is entangled with the other end of the wire rope 3. The bottom of the anchor hook 4 is fixedly connected to a positioning guide rod 5, and the bottom of the positioning guide rod 5 is fixedly connected to a positioning component B.

[0018] As a technical optimization solution of the utility model, by setting a lifting component A, the anchor hook 4 is fixed to the other end of the wire rope 3, and then the anchor hook 4 is fixed to the positioning guide rod 5, which is convenient for the subsequent retraction and deployment of the agitator 9.

[0019] refer to Figure 1 The positioning assembly B includes an upper positioning magnet 6, which is fixedly connected to the bottom of the positioning guide rod 5, and a lower positioning magnet 8 is fixedly connected to the top of the agitator 9. The upper positioning magnet 6 and the lower positioning magnet 8 are magnetically connected.

[0020] As a technical optimization solution of the utility model, by setting the positioning component B, the upper positioning magnet 6 and the lower positioning magnet 8 have opposite magnetic poles, ensuring that the upper positioning magnet 6 and the lower positioning magnet 8 always attract each other at a fixed angle and position, ensuring the stability of use.

[0021] The working principle and use process of the utility model are as follows: when in use, the agitator guide rod 11 is slidably installed with the agitator 9, and then the winch 1 is used to wind the steel wire rope 3, and then the steel wire rope 3 is wound and fixed with the anchor hook 4 through the fixed pulley 2, the positioning guide rod 5 is fixed with the anchor hook 4, and then the positioning guide rod 5 is fixed with the upper positioning magnet 6, and then the agitator 9 is fixed with the lower positioning magnet 8. When it is necessary to lift the agitator 9, the steel wire rope 3 is released through the winch 1, and the steel wire rope 3 is moved downward through the fixed pulley 2 to the anchor hook 4, the positioning guide rod 5 and the upper positioning magnet 6 to be magnetically connected with the lower positioning magnet 8, so that the upper positioning magnet 6 and the lower positioning magnet 8 have opposite magnetic poles to ensure that the upper positioning magnet 6 and the lower positioning magnet 8 are always attracted to each other at a fixed angle and position, and then the winch is used to lift the agitator 9. 1. A pair of steel wire ropes 3 are retracted, so that the steel wire ropes 3 are retracted through the fixed pulley 2 to the anchor hook 4, the positioning guide rod 5 and the upper positioning magnet 6, so that the upper positioning magnet 6 can lift the agitator 9 through the lower positioning magnet 8, and then the agitator 9 is moved through the agitator lifting ear 7 for repair and maintenance, and after the repair and maintenance are completed, the agitator 9 is reset through the agitator lifting ear 7, and then the steel wire rope 3 is released through the winch 1, so that the steel wire rope 3 is reset through the fixed pulley 2 to the anchor hook 4, the positioning guide rod 5, the upper positioning magnet 6, the lower positioning magnet 8 and the agitator 9, and the upper positioning magnet 6 adopts a design that can shield magnetic force to ensure that after the agitator 9 is put back into the agitator base 10, the anchor hook 4 can be normally separated from the agitator 9 and reset, thereby achieving the effect of conveniently retracting and releasing the agitator 9 for repair and maintenance.

[0022] To sum up: this kind of lifting device which is convenient for folding and unfolding the agitator, by setting up the lifting component A, when the agitator 9 needs to be folded and unfolded, the lifting component A is driven to move by the winch 1, and then the lifting component A drives the agitator 9 to rise through the positioning component B, thereby achieving the effect of convenient folding and unfolding, and solves the problem that many underwater equipment used in sewage treatment plants, such as flow pushers, agitators, and submersible sewage pumps, often need to be lifted out for repair and maintenance. Usually, wire ropes + lifting rings or chains + lifting rings are pre-installed on the equipment. Due to the effects of vibration and water flow, the connected lifting rings and chains are often broken due to friction, which makes it impossible to lift the equipment normally. At the same time, a large amount of garbage is often entangled on the wire ropes and chains, which are extremely difficult to clean. Moreover, the pre-installed wire ropes + lifting rings or chains + lifting rings are used to lift the equipment when needed. They are completely useless at ordinary times and may be damaged when put into water.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Although embodiments of the utility model have been shown and described, it is understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lifting device for folding and unfolding an agitator, comprising an agitator guide rod (11), characterized in that: The bottom of the stirrer guide rod (11) is slidably connected to the stirrer (9), the bottom of the stirrer guide rod (11) is fixedly connected to the bottom of the stirrer (9) with a stirrer base (10), the top of the stirrer guide rod (11) is fixedly connected to a capstan (1), a fixed pulley (2) is movably mounted on the right side of the top of the stirrer guide rod (11) through a fixing member, the top of the stirrer (9) is fixedly connected to a stirrer lifting lug (7), a steel wire rope (3) is wound around the surface of the capstan (1), the other end of the steel wire rope (3) passes through the fixed pulley (2) and is fixedly connected to the capstan (1). A lifting component (A) is connected, the lifting component (A) includes an anchor hook (4), the anchor hook (4) is entangled with the other end of the wire rope (3), the bottom of the anchor hook (4) is fixedly connected to a positioning guide rod (5), the bottom of the positioning guide rod (5) is fixedly connected to a positioning component (B), the positioning component (B) includes an upper positioning magnet (6), the upper positioning magnet (6) is fixedly connected to the bottom of the positioning guide rod (5), the top of the agitator (9) is fixedly connected to a lower positioning magnet (8), and the upper positioning magnet (6) and the lower positioning magnet (8) are magnetically connected.