Power transmission composite rod of waterwheel aerator

Abstract

The utility model relates to the technical field of salty mariculture equipment, in particular to a power transmission composite rod of a waterwheel aerator. Comprising a fixing frame, a buoyancy supporting body is fixed to the bottom of the fixing frame through bolts, a driving part is fixed to the top of the buoyancy supporting body and located in the middle of the fixing frame, power transmission composite connecting rods are fixed into the two ends of the driving part, and impellers are arranged on the outer sides of the power transmission composite connecting rods. The utility model provides a power transmission composite connecting rod of a water vehicle type aerator suitable for salty seawater aquaculture, which is composed of main parts such as a first connecting rod, a second connecting rod, a third connecting rod, an anti-corrosion wrapping layer made by a special formula, an embedded square steel tube laid with a stainless steel protective layer at an impeller mounting position and the like. The mechanical strength and the corrosion resistance of the power transmission composite connecting rod are greatly improved, the service life is prolonged, and the manufacturing cost is reduced by 50%.

Description

Technical Field

[0001] The utility model relates to the technical field of saltwater aquaculture equipment, in particular to a power transmission composite rod of a waterwheel-type aerator. Background Art

[0002] The industrialized aquaculture of seawater along the coast is booming, and the density of aquaculture in fish and shrimp ponds along the coast has also been increased. Aerators have become one of the indispensable tools. The pain point for farmers is that the stainless steel power transmission rod of the aerator for seawater aquaculture is expensive, easily corroded after long-term use, and has a short service life.

[0003] When using the above technology, it was found that the following technical problems exist in the prior art: the service life of the power transmission rod of the existing seawater aquaculture aerator is short and the cost is high when in use. For this reason, a power transmission composite rod of a waterwheel-type aerator is designed and developed to provide another low-cost and durable technical solution to the above technical problems. Utility Model Content

[0004] Based on this, it is necessary to provide a power transmission composite rod for a waterwheel-type aerator to solve the technical problems of short service life and high cost of the power transmission rod of the existing seawater aquaculture aerator.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A power transmission composite rod of a waterwheel-type aerator comprises a fixing frame, a buoyancy support body is fixed to the bottom of the fixing frame by bolts, a driving member is fixed to the top of the buoyancy support body and located in the middle of the fixing frame, power transmission composite connecting rods are fixed inside both ends of the driving member, an impeller is fixed to the outside of the power transmission composite connecting rod, a triangular supporting frame is arranged on the outside of the power transmission composite connecting rod and located at the top of the fixing frame, and the triangular supporting frame is fixed to the fixing frame by bolts;

[0007] The power transmission composite connecting rod includes a first connecting rod, a second connecting rod, a third connecting rod, an anti-corrosion layer and a steel pipe. A second connecting rod is fixed to one end of the first connecting rod. The outer side of the second connecting rod is rotatably connected to a triangular support frame. A third connecting rod is fixed to one end of the second connecting rod. A through placement cavity is provided inside the first connecting rod, the second connecting rod and the third connecting rod. A steel pipe is provided inside the placement cavity. An anti-corrosion layer is provided inside the placement cavity and on the inner and outer sides of the steel pipe.

[0008] As a preferred embodiment of the power transmission composite rod of the waterwheel-type aerator provided by the utility model, an input power line is provided on one side of the driving member.

[0009] As a preferred implementation of the power transmission composite rod of the waterwheel-type aerator provided by the utility model, the second connecting rod is a stainless steel round tube.

[0010] As a preferred embodiment of the power transmission composite rod of the waterwheel-type aerator provided by the utility model, the first connecting rod and the third connecting rod are both aging-resistant polyurethane glass fiber round tubes.

[0011] As a preferred implementation of the power transmission composite rod of the waterwheel-type aerator provided by the utility model, the cross-section of the steel pipe is a hollow rectangle.

[0012] As a preferred embodiment of the power transmission composite rod of the waterwheel-type aerator provided by the utility model, the first connecting rod and the third connecting rod are provided with assembly holes inside the tops of one end away from each other, and a steel sheet is fixed at the bottom of the assembly hole.

[0013] It can be seen without any objection that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0014] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0015] The utility model provides a power transmission composite rod of a waterwheel-type aerator, which is coordinated by a first connecting rod, a second connecting rod, a third connecting rod and a steel pipe wrapped by a high-strength anti-corrosion layer. When the power transmission composite connecting rod is in use, the anti-corrosion layer wraps the steel pipe, thereby increasing the anti-corrosion effect of the steel pipe, thereby increasing the service life of the steel pipe, thereby increasing the service life of the power transmission composite connecting rod and reducing the manufacturing cost by 50%. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the power transmission composite connecting rod of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the second connecting rod of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the third connecting rod of the utility model;

[0021] Figure 5 It is an exploded view of the power transmission composite connecting rod of the utility model;

[0022] Figure 6 It is a cross-sectional view of the connecting rod of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the steel pipe of the utility model.

[0024] In the figure: 1. buoyancy support body; 2. fixing frame; 3. triangular support frame; 4. driving member; 5. power transmission composite connecting rod; 6. impeller; 7. input power line; 8. first connecting rod; 9. second connecting rod; 10. third connecting rod; 11. anti-corrosion layer; 12. assembly hole; 13. steel sheet; 14. steel pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] Embodiment 1:

[0030] Reference Figure 1-Figure 7A power transmission composite rod of a waterwheel-type aerator comprises a fixing frame 2, a buoyancy support body 1 is fixed by bolts at the bottom of the fixing frame 2, so that the fixing frame 2 can be fixed on the top of multiple buoyancy support bodies 1, and then the position of the fixing frame 2 is positioned and supported by bolts, a driving member 4 is fixed at the top of the buoyancy support body 1 and located in the middle of the fixing frame 2, an input power line 7 is arranged on one side of the driving member 4, and then a three-phase 380V power supply is transmitted through the input power line 7, a power transmission composite connecting rod 5 is fixed inside both ends of the driving member 4, so that the rotation of the driving member 4 drives the power transmission composite connecting rod 5 to rotate, an impeller 6 is arranged on the outside of the power transmission composite connecting rod 5, and then the rotation of the power transmission composite connecting rod 5 drives the impeller 6 to rotate at the same time, a triangular support frame 3 is arranged on the outside of the power transmission composite connecting rod 5 and located at the top of the fixing frame 2, and the triangular support frame 3 is bolted to the fixing frame 2, and then the height of the power transmission composite connecting rod 5 is supported by the triangular support frame 3;

[0031] The power transmission composite connecting rod 5 includes a first connecting rod 8, a second connecting rod 9, a third connecting rod 10, an anti-corrosion layer 11, a steel sheet 13 and a steel pipe 14. The second connecting rod 9 is fixed to one end of the first connecting rod 8. The material of the first connecting rod 8 is an aging-resistant polyurethane glass fiber tube. The second connecting rod 9 is a stainless steel round tube. The outer side of the second connecting rod 9 is rotatably connected to the triangular support frame 3, so that the height of the power transmission composite connecting rod 5 is supported by the support of the second connecting rod 9 by the triangular support frame 3. The third connecting rod 10 is fixed to one end of the second connecting rod 9. The material of the third connecting rod 10 is an aging-resistant polyurethane glass fiber tube, so that the first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 are connected and fixed to form an axis body. The first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 are provided with a through placement cavity inside, so that the first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 can be strengthened by placing objects inside the cavity, thereby improving the axial mechanical strength;

[0032] A steel pipe 14 is arranged inside the placement cavity, and the cross section of the steel pipe 14 is a hollow rectangle, so that the steel pipe 14 increases the stability of the first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 when in use and prevents the first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 from being completely reduced when in use, thereby improving the service life. An assembly hole 12 is opened inside the top of one end of the first connecting rod 8 and the third connecting rod 10 away from each other, and the impeller 6 is fixed to the outside of the power transmission composite connecting rod 5 by bolts through the assembly hole 12;

[0033] A steel sheet 13 is fixed inside the assembly hole 12. The steel sheet 13 is a stainless steel sheet. There are five steel sheets 13. The steel sheet 13 can close the assembly hole 12 and the placement cavity inside the first connecting rod 8 or the third connecting rod 10, and can be fixed to the impeller. The inside of the placement cavity and the inner and outer sides of the steel pipe 14 are cast with an anti-corrosion layer 11. The material of the anti-corrosion layer 11 is a high-strength polyurethane mixed glue prepared with a special formula. The anti-corrosion layer 11 increases the anti-corrosion effect of the steel pipe 14, and the anti-corrosion layer 11 fixes the position of the steel pipe 14 inside the placement cavity. At the same time, the anti-corrosion layer 11 increases the connection stability between the first connecting rod 8 and the second connecting rod 9, and between the second connecting rod 9 and the third connecting rod 10.

[0034] The use process of the power transmission composite rod of a waterwheel-type aerator provided by the utility model is as follows: when in use, the first connecting rod 8 and the third connecting rod 10 are fixed by the second connecting rod 9, and then the steel pipe 14 is placed in the placement cavity formed by the first connecting rod 8, the second connecting rod 9 and the third connecting rod 10 being connected to each other, and then a high-strength polyurethane mixed glue is injected into the inner side of the placement cavity, so that the polyurethane forms an anti-corrosion layer 11 on both the inner and outer sides of the steel pipe 14, and the steel pipe 14 is fixed to the inside of the placement cavity through the anti-corrosion layer 11 on the outer side, and then the anti-corrosion effect of the steel pipe 14 is increased by the formation of the anti-corrosion layer 11, so as to prevent seawater from contacting the steel pipe 14, and at the same time, through the assembly hole 1 2, the steel sheet 13 fixed between the bottom and the placement cavity, the polyurethane forming the anti-corrosion layer 11 is placed into the inside of the assembly hole 12, so as to form the power transmission composite connecting rod 5, thereby achieving both firmness and seawater corrosion resistance, and then the impeller 6 is installed on the outside of the power transmission composite connecting rod 5 and the second connecting rod 9 is located on the inside of the triangular support frame 3, so that the impeller 6 is fixed to the outside of the power transmission composite connecting rod 5 through the connection of the bolts and the assembly hole 12, so that the rotation of the power transmission composite connecting rod 5 drives the impeller 6 to rotate at the same time, and through the contact between the triangular support frame 3 and the second connecting rod 9, the power transmission composite connecting rod 5 is prevented from being damaged and deformed due to long-term rotation inside the triangular support frame 3, and can also be prevented from seawater corrosion.

[0035] Embodiment 2

[0036] Based on the above embodiment 1, a method for preparing a power transmission composite rod of a waterwheel-type aerator is disclosed, and the steps are as follows:

[0037] S1: The steel sheet 13 and the steel pipe 14 are obtained by laser cutting, and the steel sheet 13 is fixed to the steel pipe 14 by welding with a argon arc welding machine. The specific welding position can be referred to Figure 5-Figure 7 ;

[0038] S2: forming a first connecting rod 8 of φ25 by cutting and lathe processing, and processing a tenon for connection by lathe processing;

[0039] S3: forming the second connecting rod 9 by laser cutting and removing burrs;

[0040] S4: forming a third connecting rod 10 of φ25 by cutting and lathe processing, and processing a tenon for connection by lathe processing;

[0041] S5: Assembling the first connecting rod 8 obtained in step S2, the second connecting rod 9 obtained in step S3, and the third connecting rod 10 obtained in step S4;

[0042] S6: Inject high-strength polyurethane mixed glue into the φ25 round pit of the bottom cover mold, and control the thickness of the glue to be 7.5 mm. Then put the bottom cover mold into the molding frame, align each round pit filled with glue, and insert a power transmission composite connecting rod 5 into each pit. After solidification and demoulding for four hours, remove burrs, and realize the bottom cover of the power transmission composite connecting rod 5;

[0043] S7: insert the steel pipe 14 with welded steel sheet 13 obtained in step S1 into the power transmission composite connecting rod 5 obtained in step S6, and then fix it on the process frame, and then inject the prepared high-strength polyurethane mixed glue with a glue injection machine to wrap the lumen and outer wall of the steel pipe 14 with a protective layer. At the same time, fill the inner cavity of the power transmission composite connecting rod 5. After six hours, the high-strength polyurethane mixed glue solidifies to form a solid solid rod;

[0044] At the same time, during the potting, the end of the glue injection cannot be fully filled temporarily. The end of the steel pipe 14 welded with the steel sheet 13 must be exposed, about 15mm to see the steel sheet 13. Then put the solid rod in a special fixture, and drill the bolt installation hole for the location of the motor connector and the fixed impeller according to the size requirements of the drawing. The depth of this hole is about 3.5mm, and it stops when it reaches the surface of the steel sheet 13;

[0045] After the installation bolt hole is drilled, the other end of the pipe that has not been closed is sealed with the prepared high-strength polyurethane mixed glue, and the production of the entire power transmission composite connecting rod 5 is completed;

[0046] The preparation process of high-strength polyurethane mixed adhesive is as follows:

[0047] A. Place component X in a reactor and maintain at 110°C, vacuum degree -0.1MPa, stirring and evacuating for 8 hours, and cool for 24 hours after leaving the reactor;

[0048] B. uniformly mixing component Y and component X obtained in step A in a ratio of 1:5 to form a high-strength polyurethane mixed adhesive;

[0049] The Y component includes isocyanate MDI, and the X component includes polyether polyol, silica fume (1500 mesh silica fume), color paste and dibutyltin dilaurate;

[0050] The proportion of component X is: 39% of polyether polyol, 59% of silica fume, 1.5% of color paste, and 0.5% of dibutyltin dilaurate.

[0051] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A power transmission composite rod for a waterwheel-type aerator, characterized in that: The invention comprises a fixing frame (2), a buoyancy support body (1) is fixed to the bottom of the fixing frame (2) by bolts, a driving member (4) is fixed to the top of the buoyancy support body (1) and located in the middle of the fixing frame (2), a power transmission composite connecting rod (5) is fixed inside both ends of the driving member (4), an impeller (6) is arranged on the outside of the power transmission composite connecting rod (5), a triangular supporting frame (3) is arranged on the outside of the power transmission composite connecting rod (5) and located at the top of the fixing frame (2), and the triangular supporting frame (3) is fixed to the fixing frame (2) by bolts; The power transmission composite connecting rod (5) comprises a first connecting rod (8), a second connecting rod (9), a third connecting rod (10), an anti-corrosion layer (11) and a steel pipe (14); the second connecting rod (9) is fixed to one end of the first connecting rod (8); the outer side of the second connecting rod (9) is rotatably connected to the triangular support frame (3); the third connecting rod (10) is fixed to one end of the second connecting rod (9); a through placement cavity is provided inside the first connecting rod (8), the second connecting rod (9) and the third connecting rod (10); a steel pipe (14) is provided inside the placement cavity; and the interior of the placement cavity and the inner and outer sides of the steel pipe (14) are all provided with an anti-corrosion layer (11).

2. A power transmission composite rod for a waterwheel-type aerator according to claim 1, characterized in that: An input power line (7) is provided on one side of the driving member (4).

3. The power transmission composite rod of a waterwheel-type aerator according to claim 1, characterized in that: The second connecting rod (9) is a stainless steel round tube.

4. The power transmission composite rod of a waterwheel-type aerator according to claim 1, characterized in that: The first connecting rod (8) and the third connecting rod (10) are both made of ageing-resistant polyurethane glass fiber tube.

5. The power transmission composite rod of a waterwheel-type aerator according to claim 1, characterized in that: The cross section of the steel pipe (14) is a hollow rectangle.

6. The power transmission composite rod of a waterwheel-type aerator according to claim 1, characterized in that: An assembly hole (12) is provided inside the top of one end of the first connecting rod (8) and the third connecting rod (10) which is away from each other, and a steel sheet (13) is fixed inside the assembly hole (12).

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