A chain brake structure

Abstract

A kind of chain stopper structure, including chain stopper barrel integrally connected with net cage main body frame, two chain stopper blocks movably arranged on the upper portion of chain stopper barrel, guide hole is arranged at the center of chain stopper barrel, the opposite side of two chain stopper blocks is equipped with hinge and is hinged by pin shaft, the other side of chain stopper block is equipped with lug plate, the lug plate is locked by bolt, the lower portion of chain stopper block extends into guide hole, locking groove is processed on the joint surface of two chain stopper blocks, anchor chain is passed through between two chain stopper blocks from top to bottom, the link of anchor chain is embedded into locking groove, chain stopper block holds anchor chain tightly, the lower portion of anchor chain extends out along guide hole and is connected with positioning anchor.The chain stopper structure uses hinge type chain stopper block that can be opened and closed to hold anchor chain, cooperates with chain stopper barrel with hollow guide hole, relies on the gravity of positioning anchor to pull down anchor chain and chain stopper block, the lower portion of chain stopper block extends into guide hole and forms axial limit, the overall structure is simple, convenient to operate, the structure is evenly distributed around net cage, effectively maintains the overall stability of net cage.

Description

Technical Field

[0001] This invention relates to a chain stop structure. Background Technology

[0002] Deep-sea aquaculture is a production activity that utilizes shallow coastal mudflats to cultivate marine aquatic economic plants and animals. It is an important part of the aquaculture industry. The main targets of deep-sea aquaculture are fish, shrimp, crabs, shellfish, algae, and other economically valuable animals such as sea cucumbers. Deep-sea aquaculture of marine fish is still in its early stages in my country and is a new technology with broad application prospects. Deep-sea aquaculture technology involves cage systems, and mooring systems are an important component of cage systems. These systems include chain catchers used to secure the anchor chains in the mooring system. Existing chain catchers are mostly gate-type chain catchers. Due to the large overall structure of the cages and the large size of the anchor chains, the matching chain catchers also need to be enlarged. This makes opening and closing the gate of the chain catcher difficult, and the small contact area between the gate and the anchor chain makes it prone to wear during use. Summary of the Invention

[0003] To address the shortcomings mentioned above, this invention provides a chain stop structure.

[0004] To achieve the above objectives, the present invention provides a chain stop structure, including a chain stop barrel integrally connected to the main frame of the cage, and two chain stop blocks movably disposed on the upper part of the chain stop barrel. A through guide hole is formed axially at the center of the chain stop barrel. The two chain stop blocks are provided with hinges on opposite sides and are hinged by pins. The other side of the chain stop blocks is provided with ear plates. The ear plates are locked together by bolts. The lower part of the chain stop blocks extends into the guide hole. Locking grooves are machined on the contact surfaces of the two chain stop blocks. The two locking grooves enclose a receiving cavity with openings at the upper and lower ends. An anchor chain passes through the chain stop blocks from top to bottom. The links of the anchor chain are fitted into the locking grooves. The chain stop blocks hold and limit the anchor chain. The lower part of the anchor chain extends out along the guide hole and is connected to a positioning anchor. The upper end of the anchor chain is connected to an electric hoist on the working platform above the main frame of the cage.

[0005] As a further improvement of the present invention, the locking groove includes an upper groove and a lower groove that are connected to each other. The width of the upper groove matches the thickness of the chain link, and the width of the lower groove matches the width of the chain link. The two chain links placed between the chain stops are perpendicular to each other.

[0006] As a further improvement of the present invention, a conical hole is formed on the upper part of the guide hole, and a conical surface is formed on the lower outer peripheral surface of the chain block, the conical surface being inserted into the conical hole.

[0007] As a further improvement of the present invention, the upper part of the chain block extends radially to form a convex edge, which abuts against the upper surface of the chain barrel.

[0008] As a further improvement of the present invention, both the hinge and the lug are located on the outside of the convex edge and are welded and fixed.

[0009] As a further improvement of the present invention, the lower part of the guide hole is formed into a flared opening.

[0010] As a further improvement of the present invention, a through hole is provided in the middle of the ear plate for mounting bolts.

[0011] As a further improvement of the present invention, the top of the chain block is machined with a connecting positioning hole for connecting an external positioning mechanism, and the connecting positioning holes are arranged in pairs.

[0012] The beneficial effects of this invention are as follows:

[0013] This chain catcher structure uses an openable hinged chain catch block to hold the anchor chain. It works in conjunction with a hollow chain catch barrel with a guide hole. The weight of the positioning anchor pulls down the anchor chain and chain catch block, with the lower part of the chain catch block extending into the guide hole to form an axial limit. The overall structure is simple and easy to operate. This structure is evenly distributed around the gabion, effectively maintaining the overall stability of the gabion. An electric hoist connects to the upper end of the anchor chain, pulling up the anchor chain and chain catch block. After the chain catch block moves out of the chain catch barrel position, the connection position between the chain catch block and the anchor chain can be adjusted, facilitating adjustment of the lower length of the anchor chain and coordinating with the raising and lowering of the gabion in the sea. Compared to existing guillotine-type chain catchers, the chain catch block structure in this design has a larger contact area with the anchor chain, resulting in a better locking effect. Attached Figure Description

[0014] Figure 1 This is a cross-sectional view of a chain chock structure according to the present invention;

[0015] Figure 2 This is a schematic diagram of the connection of chain block 2;

[0016] Figure 3 This is a 3D view of chain block 2;

[0017] Figure 4 This is a schematic diagram of the working structure of a chain stopper according to the present invention.

[0018] In the diagram: 1. Chain puller; 11. Guide hole; 111. Conical hole; 112. Trumpet mouth; 2. Chain puller block; 21. Locking groove; 211. Upper groove; 212. Lower groove; 22. Conical surface; 23. Protruding edge; 24. Connecting positioning hole; 3. Ear plate; 31. Through hole; 4. Hinge; 5. Pin; 6. Anchor chain; 61. Chain link; 7. Main frame of the cage; 8. Working platform; 9. Electric hoist; 10. Positioning anchor. Detailed Implementation

[0019] like Figure 1As shown, the chain-pulling device structure of the present invention includes a chain-pulling barrel 1 integrally connected to the main frame 7 of the cage, and two chain-pulling blocks 2 movably disposed on the upper part of the chain-pulling barrel 1. A through guide hole 11 is formed axially at the center of the chain-pulling barrel 1. A tapered hole 111 is machined on the upper part of the guide hole 11, and a flared opening 112 is formed on the lower part of the guide hole 11. A hinge 4 is provided on one side of the two chain-pulling blocks 2 and they are hinged by a pin 5. An ear plate 3 is provided on the other side of the chain-pulling blocks 2 (see...). Figure 2 The ear plates 3 are locked together by bolts. A through hole 31 is opened in the middle of the ear plate 3 for installing bolts. The lower part of the chain block 2 extends into the guide hole 11. The outer circumference of the lower part of the chain block 2 is machined to form a conical surface 22, which fits into the conical hole 111. The upper part of the chain block 2 extends radially to form a convex edge 23, which abuts against the upper surface of the chain barrel 1. The hinge 4 and the ear plate 3 are both located on the outside of the convex edge 23 and are welded and fixed. A lock is machined on the mating surface of the two chain blocks 2. The locking groove 21, formed by two locking grooves 21, creates an accommodating cavity with openings at the top and bottom. The anchor chain 6 passes between the chain-locking blocks 2 from top to bottom. The links 61 of the anchor chain 6 are fitted into the locking grooves 21. The chain-locking blocks 2 hold and limit the anchor chain 6. The locking groove 21 includes an upper groove 211 and a lower groove 212 that are connected. The width of the upper groove 211 matches the thickness of the link 61, and the width of the lower groove 212 matches the width of the link 61 (see...). Figure 3 The two chain links 61 placed between the chain blocks 2 are perpendicular to each other. The lower part of the anchor chain 6 extends along the guide hole 11 and connects to the positioning anchor 10. The upper end of the anchor chain 6 is connected to the electric hoist 9 on the working platform 8 above the main frame of the cage (see...). Figure 4 The top of the chain block 2 is machined with a connecting positioning hole 24 for connecting an external positioning mechanism. The connecting positioning holes 24 are set in pairs.

[0020] This chain catcher structure uses an openable hinged chain catch block to hold the anchor chain. It works in conjunction with a hollow chain catch barrel with a guide hole. The weight of the positioning anchor pulls down the anchor chain and chain catch block, with the lower part of the chain catch block extending into the guide hole to form an axial limit. The overall structure is simple and easy to operate. This structure is evenly distributed around the gabion, effectively maintaining the overall stability of the gabion. An electric hoist connects to the upper end of the anchor chain, pulling up the anchor chain and chain catch block. After the chain catch block moves out of the chain catch barrel position, the connection position between the chain catch block and the anchor chain can be adjusted, facilitating adjustment of the lower length of the anchor chain and coordinating with the raising and lowering of the gabion in the sea. Compared to existing guillotine-type chain catchers, the chain catch block structure in this design has a larger contact area with the anchor chain, resulting in a better locking effect.

[0021] In practical use, the invention will be described in conjunction with the accompanying drawings for ease of understanding;

[0022] One end of the anchor chain is connected to an electric hoist on the working platform above the main frame of the gabion. The other end of the anchor chain passes between the chain-locking blocks from top to bottom. The links of the anchor chain fit into the locking grooves, and the chain-locking blocks hold the anchor chain in place. Then, the lower part of the anchor chain extends out through the guide hole in the center of the chain-locking barrel and connects to the positioning anchor. When the length of the anchor chain needs to be adjusted, the electric hoist operates, pulling the anchor chain, chain-locking blocks, and positioning anchor upwards as a whole. The upper part of the chain-locking blocks connects to the external positioning mechanism through the positioning hole. After the chain-locking blocks are moved out of the chain-locking barrel, external force is used to position the chain-locking blocks at an appropriate height. Then, the two chain-locking blocks... Remove the bolts on the ear plates, and the two chain blocks can be opened along the hinge position. The electric hoist can freely adjust the length of the anchor chain, and in conjunction with the ballast adjustment inside the net cage, adjust the overall draft of the net cage. After adjustment, assemble the chain blocks into the appropriate positions on the anchor chain above the chain barrel, close the chain blocks, and lock the two ear plates together with bolts. Disconnect the chain blocks from the external positioning mechanism, and the electric hoist lowers the anchor chain. The anchor chain, chain blocks, and positioning anchor sink downwards under their own weight, and the lower part of the chain blocks extends into the guide hole in the center of the chain barrel to form an axial limit.

[0023] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A chain stop structure, characterized in that: The cage includes a chain drum (1) integrally connected to the main frame (7) of the cage, and two chain blocks (2) movably located on the upper part of the chain drum (1). A through guide hole (11) is formed at the center of the chain drum (1) along the axial direction. The two chain blocks (2) are provided with hinges (4) on opposite sides and are hinged by pins (5). The other side of the chain blocks (2) is provided with ear plates (3). The ear plates (3) are locked together by bolts. The lower part of the chain blocks (2) extends into the guide hole (11). Locking grooves (21) are machined on the contact surfaces of the two chain blocks (2). The two locking grooves (21) enclose a receiving cavity with openings at the upper and lower ends. The anchor chain (6) passes through the chain-locking blocks (2) from top to bottom. The chain links (61) of the anchor chain (6) are fitted into the locking groove (21). The chain-locking blocks (2) hold the anchor chain (6) tightly and limit its position. The lower part of the anchor chain (6) extends out along the guide hole (11) and connects to the positioning anchor (10). The upper end of the anchor chain (6) is connected to the electric hoist (9) on the working platform (8) above the main frame of the net cage (7). The upper part of the guide hole (11) is machined to form a conical hole (111). The lower outer circumference of the chain-locking block (2) is machined to form a conical surface (22). The conical surface (22) fits into the conical hole (111).

2. The chain stop structure according to claim 1, characterized in that: The locking groove (21) includes an upper groove (211) and a lower groove (212) that are connected. The width of the upper groove (211) matches the thickness of the link (61), and the width of the lower groove (212) matches the width of the link (61). The two links (61) placed between the chain blocks (2) are perpendicular to each other.

3. The chain stop structure according to claim 1, characterized in that: The upper part of the chain block (2) extends radially to form a raised edge (23), which abuts against the upper surface of the chain barrel (1).

4. The chain stop structure according to claim 3, characterized in that: Both the hinge (4) and the ear plate (3) are located on the outside of the convex edge (23) and are welded and fixed.

5. The chain stop structure according to claim 1, characterized in that: The lower part of the guide hole (11) forms a flared mouth (112).

6. The chain stop structure according to claim 1, characterized in that: The ear plate (3) has a through hole (31) in the middle for installing bolts.

7. The chain stop structure according to claim 1, characterized in that: The top of the chain block (2) is machined with a connecting positioning hole (24) for connecting an external positioning mechanism. The connecting positioning holes (24) are arranged in pairs.

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