Special anti-climbing fence for breeding river crabs
By designing a multi-component combination river crab breeding fence, the existing fence has solved the problem of poor climbing effect, inconvenient installation and unstable fixation, and achieved good anti-climbing effect and flexible use needs.
Patent Information
- Application Number
- CN202421266000.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The existing river crab farming fence has poor climbing effect, is inconvenient to install and is not firmly fixed, and cannot adapt to the needs of various shapes.
A special anti-climbing fence for river crab farming is designed, using multiple fence components, each of which includes unit fence plates, connecting shafts, connecting sleeves, support frames, stress blocks, stress washers and fixing nails. Through the combination and fixing of these components, a stable fence structure is formed.
It achieves good climbing effect of river-proof crabs, is easy to install and firmly fixed, can adapt to various shapes and is flexible and convenient to use.
Smart Images

Figure CN222583385U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of river crab breeding, in particular to a special anti-climbing fence for river crab breeding. Background Art
[0002] River crabs, also known as crabs or hairy crabs, are freshwater crustaceans belonging to the genus Mitten. The morphological characteristics of river crabs include a square-shaped and hard cephalothorax, which is formed by the head and thorax. They have a pair of eyes at the front of their bodies and two pairs of very sharp crab teeth on the sides. When breeding river crabs, fences are used to prevent river crabs from climbing and running away.
[0003] In the existing technology, the fence is composed of wooden stakes and a barrier net fixed on the wooden stakes. The upper part of the barrier net is contracted to achieve the anti-climbing function. However, this kind of fence needs to be laid higher, and the anti-climbing effect is average. It is not convenient and firm to use. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a special anti-climbing fence for river crab farming. Through the set fence components, it can provide a good effect of preventing river crabs from climbing, and it is easy to install and firmly fixed. It can adapt to various shape requirements and is flexible and convenient to use.
[0005] One of the purposes of the utility model is achieved by the following technical solution: a special anti-climbing fence for river crab breeding, comprising: a plurality of fence components, the fence components comprising a unit enclosure, the right portion of the unit enclosure is provided with an arc surface, the upper right end of the unit enclosure is fixedly connected with a connecting shaft, the upper left end of the unit enclosure is fixedly connected with a connecting sleeve ear, the outer side surface of the unit enclosure is fixedly connected with a support frame, the support frame is fixedly connected with a force block, the force block is provided with a force washer, the force washer is provided with a fixing nail, the fixing nail passes through the force washer, the force block, and the support frame and is fixed to the ground, the adjacent connecting shafts and connecting sleeve ears are rotatably connected to each other, and the inner side surface of the unit enclosure is a smooth surface. The fence components provided can provide a good effect of preventing river crabs from climbing, and are easy to install, firmly fixed, can meet various shape requirements, and are flexible and convenient to use.
[0006] According to the anti-climbing fence specially used for river crab farming, a warning sticker is fixedly connected to the outer side surface of the force-bearing block.
[0007] According to the anti-climbing fence specially used for river crab farming, the overall shape of the support frame and the unit enclosure is a triangle.
[0008] According to the anti-climbing fence specially used for river crab farming, the cross-section of the stress-bearing washer is larger than the cross-section of the fixing nail head.
[0009] According to the anti-climbing fence specially used for river crab farming, the support frame is located in the middle of the unit enclosure.
[0010] According to the anti-climbing fence specially used for river crab farming, the lower surface of the support frame is flush with the lower surface of the unit enclosure.
[0011] According to the anti-climbing fence specially used for river crab farming, the lower part of the fixing nail is pointed.
[0012] According to the anti-climbing fence specially used for river crab farming, the arc surface has the same height as the unit enclosure.
[0013] Beneficial Effects
[0014] Compared with the prior art, the utility model can provide a good effect of preventing river crabs from climbing by setting up the fence components, and is easy to install, firmly fixed, can meet the requirements of various shapes, and is flexible and convenient to use.
[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0017] Figure 1 This is a structural schematic diagram of a special anti-climbing fence for river crab farming according to the utility model;
[0018] Figure 2 This is a structural schematic diagram of another perspective of a special anti-climbing fence for river crab breeding according to the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of a special anti-climbing fence for river crab breeding of the utility model after removing the fixing nails and the force-bearing washers;
[0020] Figure 4 This is a structural schematic diagram of a fixing nail and a force-bearing washer of an anti-climbing fence specially used for river crab breeding according to the utility model;
[0021] Figure 5 It is a structural schematic diagram of the connection state of a special anti-climbing fence for river crab breeding according to the utility model.
[0022] Legend:
[0023] 1. Unit enclosure; 101. Arc surface; 2. Connecting shaft; 3. Connecting ear; 4. Fixing nail; 5. Load washer; 6. Warning sticker; 7. Support frame; 701. Load block. DETAILED DESCRIPTION
[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0025] Reference Figure 1-5 The utility model embodiment of a special anti-climbing fence for river crab breeding includes: a plurality of fence components, the fence component includes a unit enclosure 1, the right part of the unit enclosure 1 is provided with an arc surface 101, the arc surface 101 is at the same height as the unit enclosure 1, the upper right end of the unit enclosure 1 is fixedly connected with a connecting shaft 2, the upper left end of the unit enclosure 1 is fixedly connected with a connecting sleeve ear 3, the outer side of the unit enclosure 1 is fixedly connected with a support frame 7, the lower surface of the support frame 7 is flush with the lower surface of the unit enclosure 1, the support frame 7 is located in the middle of the unit enclosure 1, and the shape of the support frame 7 and the unit enclosure 1 as a whole is a triangle, a force block 701 is fixedly connected to the support frame 7, and a warning sticker 6 is fixedly connected to the outer side of the force block 701, and a force washer 5 is provided on the force block 701, and the cross section of the force washer 5 is larger than the cross section of the head of the fixing nail 4. A fixing nail 4 is arranged inside the force washer 5, and the lower part of the fixing nail 4 is pointed. The fixing nail 4 passes through the force washer 5, the force block 701, and the support frame 7 to be fixed on the ground. The adjacent connecting shafts 2 and the connecting sleeve ears 3 are rotatably connected to each other. The inner side surface of the unit enclosure 1 is a smooth surface. When installing the fence assembly, the unit enclosure 1 is placed vertically on the ground, and the connecting sleeve ears 3 of the adjacent unit enclosures 1 are rotatably connected to the connecting shaft 2, so that multiple unit enclosures 1 can completely enclose the activity area of the river crab, and then the fixing nail 4 is passed through the force washer 5, the force block 701, and the support frame 7 to be nailed into the ground to fix the unit enclosure 1. The support frame 7 can also provide support force to prevent it from tipping over. Since the inner side surface of the unit enclosure 1 is a smooth surface, the river crab cannot crawl under force, thereby achieving a good anti-climbing effect, and is easy to install and firmly fixed. The fence assembly provided can provide a good anti-climbing effect of river crabs, and is easy to install and firmly fixed. It can meet the requirements of various shapes and is flexible and convenient to use.
[0026] Working principle: When installing the fence assembly, place the unit enclosure 1 vertically on the ground, and rotate the connecting ears 3 of the adjacent unit enclosures 1 and the connecting shaft 2 to connect them together, so that multiple unit enclosures 1 can completely enclose the activity area of the river crabs, and then pass the fixing nails 4 through the force washers 5, the force blocks 701, and the support frame 7 to nail them into the ground to fix the unit enclosure 1. The support frame 7 can also provide supporting force to prevent it from tipping over. Since the inner side of the unit enclosure 1 is a smooth surface, the river crabs cannot crawl under force, thereby achieving a good anti-climbing effect. It is easy to install and firmly fixed.
[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A special anti-climbing fence for river crab farming, characterized in that: include: A plurality of fence components, wherein the fence components include a unit enclosure (1), the right portion of the unit enclosure (1) is provided with an arc surface (101), the upper right end of the unit enclosure (1) is fixedly connected to a connecting shaft (2), the upper left end of the unit enclosure (1) is fixedly connected to a connecting sleeve ear (3), the outer side surface of the unit enclosure (1) is fixedly connected to a support frame (7), the support frame (7) is fixedly connected to a force block (701), the force block (701) is provided with a force washer (5), a fixing nail (4) is provided inside the force washer (5), the fixing nail (4) passes through the force washer (5), the force block (701), and the support frame (7) and is fixed on the ground, the adjacent connecting shafts (2) and connecting sleeve ears (3) are rotatably connected to each other, and the inner side surface of the unit enclosure (1) is a smooth surface.
2. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: A warning sticker (6) is fixedly connected to the outer side surface of the force-bearing block (701).
3. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: The support frame (7) and the unit enclosure (1) form a triangle as a whole.
4. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: The cross section of the force-bearing washer (5) is larger than the cross section of the head of the fixing nail (4).
5. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: The support frame (7) is located in the middle of the unit enclosure (1).
6. The anti-climbing fence for river crab breeding according to claim 1, characterized in that: The lower surface of the support frame (7) is flush with the lower surface of the unit enclosure (1).
7. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: The lower part of the fixing nail (4) is pointed.
8. The anti-climbing fence for river crab breeding according to claim 1 is characterized in that: The arc surface (101) has the same height as the unit enclosure (1).