Protective device for rice field fish culture

Abstract

The protection device comprises a first mounting column and a second mounting column, inserting rods are fixedly mounted at the bottom of the first mounting column and the bottom of the second mounting column respectively, and mounting grooves are formed in the first mounting column and the second mounting column respectively. A rotating shaft is rotatably mounted in the mounting groove in the first mounting column, a fixed shaft is fixedly mounted in the mounting groove in the second mounting column, a protective net is wound on the outer side of the rotating shaft, one end of the protective net is fixed to the rotating shaft, and penetrating grooves are formed in the sides, close to each other, of the first mounting column and the second mounting column correspondingly; the other end of the protective net penetrates through the two penetrating grooves and is fixedly connected with the fixing shaft. The protective net is stored on the outer side of the rotating shaft, the second mounting columns are pulled, the two ends of the protective net are clamped through the clamping plates, stable mounting of the protective net is completed, mounting is convenient, and meanwhile dismounting can be convenient.

Description

Technical Field

[0001] The utility model relates to a protective device, in particular to a protective device for fish farming in rice fields. Background Art

[0002] Raising fish on the surface of rice fields can not only produce fish products, but also use fish to eat pests and weeds in the rice fields, excrete manure, and turn the soil to promote fertilizer decomposition, creating good conditions for rice growth, which can generally increase rice production by about 10%. In 1990, China's rice field fish farming area reached more than 670,000 hectares, with an average fish yield of about 50 kilograms per mu.

[0003] When raising fish in rice fields, a protective net is usually used to enclose the rice fields. At present, the existing protective devices for raising fish in rice fields have a protective net that is installed later and is installed on a fixed frame. When the net is damaged, it is very inconvenient to install and disassemble it. Therefore, the present application proposes a protective device for raising fish in rice fields to solve this problem. Utility Model Content

[0004] The utility model aims to provide a protective device for fish farming in rice fields, so as to solve the problem that the existing protective device for fish farming in rice fields proposed in the above background technology has a protective net which is a net body installed subsequently and is installed on a fixed frame. When the net is damaged, the installation and disassembly are very inconvenient.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A protective device for fish farming in rice fields comprises a first mounting column and a second mounting column, wherein the bottoms of the first mounting column and the second mounting column are fixedly mounted with an insertion rod, the insides of the first mounting column and the second mounting column are provided with mounting grooves, a rotating shaft is rotatably mounted in the mounting groove inside the first mounting column, and a fixed shaft is fixedly mounted in the mounting groove inside the second mounting column, a protective net is wrapped around the outer side of the rotating shaft, one end of the protective net is fixed to the rotating shaft, a through groove is formed on the side where the first mounting column and the second mounting column are close to each other, the other end of the protective net passes through the two through grooves and is fixedly connected to the fixed shaft, a fixing plate is symmetrically fixedly mounted on the side where the first mounting column and the second mounting column are close to each other, a bolt is rotatably connected to the fixing plate, a guide rod is fixedly mounted on the front side of the fixing plate, a clamping plate is commonly provided on the outer sides of the bolt and the guide rod, and the clamping plate is threadedly connected to the bolt and slidably connected to the guide rod.

[0007] As a further solution of the utility model: a turning handle is fixedly installed on the top end of the rotating shaft.

[0008] As a further solution of the present invention: the bottom end of the insertion rod is of conical design.

[0009] As a further solution of the utility model: a connecting rope is fixedly installed on one side of the first mounting column, a fixing ring is fixedly installed on one end of the connecting rope, a sleeve is fixedly installed on one end of the second mounting column, the fixing ring is designed with a notch, a fixing groove is opened at one end of the fixing ring, a slot is opened at the other end of the fixing ring, a spring is fixedly installed on one side of the interior of the fixing groove, a limiting rod is fixedly installed on one end of the spring, and one end of the limiting rod is inserted into the interior of the slot.

[0010] As a further solution of the utility model: a shift block is fixedly installed on one side of the limit rod, and a sliding groove for the shift block to pass through is opened on the fixing ring.

[0011] As a further solution of the utility model: a protective cover is provided on the outer side and in the middle of the connecting rope.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model stores the protective net outside the rotating shaft, pulls the second installation column and clamps the two ends of the protective net through the clamping plate to complete the stable installation of the protective net, which is convenient for installation and disassembly.

[0014] 2. The utility model sets the fixing ring inside the ring after the device is stored, so that the connecting rope plays the role of a hand strap or a shoulder strap, which facilitates the carrying of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is the front view in the utility model.

[0017] Figure 3 It is a schematic diagram of the local structure in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the clamping assembly in the utility model.

[0019] 1. Rotating shaft; 2. First mounting column; 3. Protective net; 4. Mounting groove; 5. Insert rod; 6. Fixed shaft; 7. Through groove; 8. Fixed plate; 9. Guide rod; 10. Bolt; 11. Connecting rope; 12. Protective cover; 13. Fixed ring; 14. Ring; 15. Dial block; 16. Limit rod; 17. Slot; 18. Spring; 19. Slide groove; 20. Fixed groove; 21. Clamp; 22. Second mounting column. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a protective device for rice field fish farming includes a first mounting column 2 and a second mounting column 22, the bottoms of the first mounting column 2 and the second mounting column 22 are fixedly installed with a plug rod 5, the interiors of the first mounting column 2 and the second mounting column 22 are provided with a mounting groove 4, a rotating shaft 1 is rotatably installed in the mounting groove 4 inside the first mounting column 2, and a fixed shaft 6 is fixedly installed in the mounting groove 4 inside the second mounting column 22, a protective net 3 is wound around the outer side of the rotating shaft 1, one end of the protective net 3 is fixed on the rotating shaft 1, a through groove 7 is opened on the side where the first mounting column 2 and the second mounting column 22 are close to each other, and the other end of the protective net 3 passes through the two through grooves 7 and is fixedly connected to the fixed shaft 6, and a fixed plate 8 is symmetrically fixedly installed on the side where the first mounting column 2 and the second mounting column 22 are close to each other, a bolt 10 is rotatably connected to the fixed plate 8, and a guide rod 9 is fixedly installed on the front side of the fixed plate 8, and a clamping plate 21 is commonly provided on the outer side of the bolt 10 and the guide rod 9, and the clamping plate 21 is threadedly connected to the bolt 10 and slidably connected to the guide rod 9.

[0022] A handle is fixedly mounted on the top of the rotating shaft 1 , so that the handle can be turned conveniently when the protective net 3 is stored.

[0023] The bottom end of the insertion rod 5 is designed to be conical, so that the insertion rod 5 can be inserted into the soil more smoothly.

[0024] A connecting rope 11 is fixedly installed on one side of the first mounting column 2, a fixing ring 13 is fixedly installed on one end of the connecting rope 11, a sleeve ring 14 is fixedly installed on one end of the second mounting column 22, the fixing ring 13 is designed with a notch, a fixing groove 20 is opened at one end of the fixing ring 13, a slot 17 is opened at the other end of the fixing ring 13, a spring 18 is fixedly installed on one side of the inner part of the fixing groove 20, a limiting rod 16 is fixedly installed on one end of the spring 18, and one end of the limiting rod 16 is inserted into the inner part of the slot 17, so that the connecting rope 11 plays the role of a hand strap or a shoulder strap, which is convenient for carrying the device.

[0025] A shift block 15 is fixedly mounted on one side of the limiting rod 16 , and a sliding groove 19 for the shift block 15 to pass through is provided on the fixing ring 13 , so as to facilitate opening the gap closed by the limiting rod 16 .

[0026] A protective cover 12 is provided on the outside and in the middle of the connecting rope 11 to enhance the comfort when holding.

[0027] The working principle of the utility model is:

[0028] When the utility model is used, one person inserts the insertion rod 4 at the bottom of the first installation column 2 into the soil, and the other person pulls the second installation column 22. During the pulling process of the second installation column 22, the protective net 3 will be driven to unwind from the outside of the rotating shaft 1. The appropriate length is pulled as needed, and the bolt 10 on one side of the first installation column 2 is screwed to drive the corresponding clamping plate 21 to approach the fixed plate 8 under the guidance of the guide rod 9 to clamp the protective net 3. Then, according to the above steps, the clamping plate 8 on one side of the second installation column 22 is clamped on the protective net 3, and the second installation column 22 is inserted into the soil. At this point, the installation of the device is completed so that the device can be used normally. When the device needs to be disassembled, the first installation column 2 is pulled out. The second mounting column 22 is unscrewed, and the clamping plate 8 on one side of the first mounting column 2 and the second mounting column 22 is unscrewed. One person turns the handle at the top of the rotating shaft 1 to drive the rotating shaft 1 to rotate and thereby tighten the protective net 3 on the outside of the rotating shaft 1. The other person supports the second mounting column 22 to move closer to the first mounting column 2, and then screws on the bolt 10 next to the first mounting column 2 to complete the storage of the device. After the storage is completed, the shift block 15 is moved, so that the shift block 15 drives the limit rod 16 to compress the spring 18 and store it inside the fixing groove 20, so that a gap appears on the fixing ring 13, and the fixing ring 13 is sleeved on the inside of the sleeve ring 14 through the gap. At this time, the device can be conveniently lifted by holding the protective cover 12.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective device for rice field fish farming, comprising a first mounting column (2) and a second mounting column (22), characterized in that: The bottom of each of the first mounting column (2) and the second mounting column (22) is fixedly mounted with an insertion rod (5); each of the first mounting column (2) and the second mounting column (22) is provided with a mounting groove (4); a rotating shaft (1) is rotatably mounted in the mounting groove (4) in the first mounting column (2); a fixed shaft (6) is fixedly mounted in the mounting groove (4) in the second mounting column (22); a protective net (3) is wound around the outer side of the rotating shaft (1); one end of the protective net (3) is fixed on the rotating shaft (1); and the first mounting column (2) and the second mounting column (2) are provided with a plurality of mounting grooves (4) in the first mounting column (2). 2) A through slot (7) is provided on one side close to each other, the other end of the protective net (3) passes through the two through slots (7) and is fixedly connected to the fixed shaft (6), a fixing plate (8) is symmetrically fixedly installed on the side close to each other of the first mounting column (2) and the second mounting column (22), a bolt (10) is rotatably connected to the fixing plate (8), a guide rod (9) is fixedly installed on the front side of the fixing plate (8), a clamping plate (21) is provided on the outer side of the bolt (10) and the guide rod (9), and the clamping plate (21) is threadedly connected to the bolt (10) and slidably connected to the guide rod (9).

2. A protective device for rice field fish farming according to claim 1, characterized in that: A turning handle is fixedly mounted on the top end of the rotating shaft (1).

3. A protective device for rice field fish farming according to claim 1, characterized in that: The bottom end of the insertion rod (5) is of conical design.

4. A protective device for rice field fish farming according to claim 1, characterized in that: A connecting rope (11) is fixedly mounted on one side of the first mounting column (2), a fixing ring (13) is fixedly mounted on one end of the connecting rope (11), a sleeve ring (14) is fixedly mounted on one end of the second mounting column (22), the fixing ring (13) is designed as a notch, a fixing groove (20) is provided at one end of the fixing ring (13), a slot (17) is provided at the other end of the fixing ring (13), a spring (18) is fixedly mounted on one side of the fixing groove (20), a limiting rod (16) is fixedly mounted on one end of the spring (18), and one end of the limiting rod (16) is inserted into the slot (17).

5. A protective device for rice field fish farming according to claim 4, characterized in that: A shift block (15) is fixedly mounted on one side of the limiting rod (16), and a sliding groove (19) for the shift block (15) to pass through is provided on the fixing ring (13).

6. A protective device for rice field fish farming according to claim 4, characterized in that: A protective cover (12) is provided on the outside of the connecting rope (11) and at a middle position thereof.

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