A detachable driving wheel of a fishing net machine
The design of a detachable drive wheel, combining the main body and the arc-shaped plate, solves the problem of low efficiency in replacing the drive wheel of the fishing net machine, realizes modular replacement of the drive wheel, and improves replacement efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGJIAGANG CHUANGTUO MASCH MFG CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-06-09
AI Technical Summary
Existing fishing net machines are inefficient when changing drive wheels, and the disassembly process is cumbersome and prone to accidents.
Design a detachable drive wheel by combining a main body and an arc-shaped plate. The main body has a universal groove, and the arc-shaped plate has distinct grooves. Different styles of grooves can be combined by replacing the arc-shaped plate. The arc-shaped plate can be detached and installed by using positioning and fixing structures.
The modular design of the drive wheel has been achieved, and only the arc plate needs to be replaced during disassembly, which improves replacement efficiency and reduces labor intensity and safety risks.
Smart Images

Figure CN224337875U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fishing net machine technology, and in particular to a detachable drive wheel for a fishing net machine. Background Technology
[0002] In order to achieve the knotting of the braided line, the existing fishing net machine must be pulled by a perforated plate to change the line between the upper and lower hooks. The perforated plate can be driven to make corresponding movements through the combination of gear assembly, drive wheel (grooved cam) and swing arm. The surface of the drive wheel has grooves, and one end of the swing arm is equipped with a roller that can be embedded in the groove and roll in contact with it. When the drive wheel is driven to rotate, the grooves on its circumference will drive the roller to swing according to its preset trajectory, thereby driving the swing arm connected to the roller to move synchronously. In turn, the swing arm drives the perforated plate to move. The groove pattern on the surface of the drive wheel affects the movement state of the perforated plate. Different specifications of nets have different requirements for the movement state of the perforated plate.
[0003] As attached Figure 7 As shown, the grooves of the drive wheel are usually fixed at the factory. One type of drive wheel can only have one type of groove. When different nets need to be manufactured, the entire drive wheel needs to be removed and replaced with a drive wheel with the required groove. Currently, the diameter of conventional steel drive wheels can reach 480mm, and the overall weight is relatively heavy. Replacing them is not only laborious and prone to accidents, but also the disassembly steps are cumbersome and inefficient. Utility Model Content
[0004] In view of this, the purpose of this utility model is to propose a detachable drive wheel for a fishing net machine, so as to solve the technical problem of low efficiency when replacing the drive wheel in existing fishing net machines.
[0005] Based on the above objectives, this utility model provides a detachable drive wheel for a fishing net machine, comprising a main body having a cylindrical outer circumferential surface, and at least one arc-shaped plate detachably mounted on the outer circumferential surface of the main body. The main body has a first groove formed on its outer circumferential surface as a common part of all grooves, and the arc-shaped plate has a second groove formed on its arc-shaped surface as a distinguishing part of each groove. When the arc-shaped plate is mounted on the main body, the second groove and the first groove can be joined end to end to make the groove closed loop. By replacing the arc-shaped plates with different styles of second grooves on the main body, the corresponding desired grooves can be formed.
[0006] As a preferred technical solution of this utility model, a groove adapted to the outer contour of the arc plate is provided on the outer circumferential surface of the main body, so that when the arc plate is placed in the groove, the end of the second groove and the end of the first groove can be aligned with each other. The drive wheel also includes a positioning structure for fixing the arc plate in the groove.
[0007] As a preferred technical solution of this utility model, the positioning structure includes a positioning bolt, a plurality of first threaded holes are provided on the arc surface of the arc plate, and a second threaded hole that mates with the first threaded holes is provided in the groove. By screwing the positioning bolt into the first threaded hole and the second threaded hole in sequence, the movement of the arc plate relative to the groove can be prevented.
[0008] As a preferred embodiment of this utility model, a gear is fixedly provided on one side of the main body, and the rotation axis of the gear and the main body coincide with each other.
[0009] As a preferred embodiment of this utility model, a fixing structure for installing and disassembling the gear and the main body is provided between them, the fixing structure comprising:
[0010] Tighten the bolts;
[0011] A fastening nut adapted to the fastening bolt; a plurality of first through holes are provided on the surface of the gear; a second through hole that mates with the first through holes is provided at one end of the main body; the shank of the fastening bolt passes through the first through holes and the second through holes in sequence and is connected to the fastening bolt to prevent relative movement between the main body and the gear.
[0012] As a preferred embodiment of this utility model, the second through hole is an annular hole, and the center of the annular hole is located on the rotation axis of the main body.
[0013] As a preferred embodiment of this utility model, the fixing structure further includes a washer sleeved on the outer circumference of the fastening bolt. The outer diameter of the washer is larger than the inner diameter of the second through hole. The washer is used to separate the fastening nut from the main body to reduce wear on the main body.
[0014] As a preferred technical solution of this utility model, the main body has a first bearing mounting hole at the center of rotation, and the gear has a second bearing mounting hole at the center of rotation that communicates with the first bearing mounting hole. The first bearing mounting hole and the second bearing mounting hole are used to install bearings and connecting shafts.
[0015] The beneficial effects of this utility model are as follows: By modifying the existing drive wheel, this utility model combines the main body and the arc plate into a complete drive wheel. The main body and the arc plate together form a groove, and the different styles of grooves are concentrated on the arc plate. The main body is universal, which makes the drive wheel modular. When disassembling, the main body remains connected. Only this part of the arc plate needs to be replaced to obtain different styles of grooves, realizing multiple uses for one wheel. Moreover, the disassembled part is relatively lightweight, and the assembly and disassembly are relatively labor-saving and efficient. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a front view structural diagram of the present utility model;
[0018] Figure 2 This is a side view of the structure of this utility model;
[0019] Figure 3 This is a top view of the structure of this utility model;
[0020] Figure 4 This is a three-dimensional structural diagram of the present invention;
[0021] Figure 5 This is a schematic diagram of the semi-sectional three-dimensional structure of this utility model;
[0022] Figure 6 This is a three-dimensional structural diagram of the disassembled state of this utility model;
[0023] Figure 7 This is a schematic diagram of the drive wheel structure in the prior art.
[0024] The markings in the diagram are as follows: 1. Main body; 2. First groove; 3. Embedded groove; 4. Arc plate; 5. Second groove; 6. First threaded hole; 7. Second threaded hole; 8. Positioning bolt; 9. Gear; 10. First through hole; 11. Second through hole; 12. Fastening bolt; 13. Fastening nut; 14. Washer; 15. First bearing mounting hole; 16. Second bearing mounting hole. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.
[0026] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a detachable drive wheel for a fishing net machine includes a main body 1 having a cylindrical outer circumferential surface, and at least one arc-shaped plate 4 detachably mounted on the outer circumferential surface of the main body 1. The main body 1 has a first groove 2 formed on its outer circumferential surface as a common part of all grooves, and the arc-shaped plate 4 has a second groove 5 formed on its arc-shaped surface as a distinguishing part of each groove. When the arc-shaped plate 4 is mounted on the main body 1, the second groove 5 and the first groove 2 can be connected end to end to make the groove closed loop. By replacing the arc-shaped plate 4 with different styles of second groove 5 on the main body 1, the corresponding required grooves can be formed.
[0028] The above technical solution allows for the replacement of only a portion of the drive wheel to obtain the complete groove of the desired pattern. During replacement, the arc plate 4 is removed from the outer circumference of the main body 1 using tools, and the arc plate 4 with the second groove 5 of the desired pattern is installed on the outer circumference of the main body 1. The second groove 5 on the new arc plate 4 will align with the first groove 2 on the main body 1, thus obtaining the drive wheel with the desired groove pattern. This eliminates the need to remove the heaviest and largest part of the main body 1 from the connecting shaft to obtain the complete groove of the desired pattern, improving replacement efficiency and enhancing safety.
[0029] To facilitate understanding, we will use a practical application example from industrial production. For instance, to produce three types of mesh: A, B, and C, the perforated plate needs three different motion states, which requires three drive wheels with different grooves: type A groove, type B groove, and type C groove. Type A, type B, and type C grooves have identical parts, which are located on the main body 1, namely the first groove 2. The different parts of type A, type B, and type C grooves correspond to the second groove 5 on the arc surface of the arc plate 4. Therefore, by installing different arc plates 4 on the main body 1, it is possible to freely switch between type A, type B, and type C grooves.
[0030] like Figure 5 and Figure 6 As shown, in this embodiment, a groove 3 adapted to the outer contour of the arc plate 4 is provided on the outer circumferential surface of the main body 1, so that when the arc plate 4 is placed in the groove 3, the end of the second groove 5 and the end of the first groove 2 can be aligned with each other. The drive wheel also includes a positioning structure for fixing the arc plate 4 in the groove 3.
[0031] The above technical solution allows the arc plate 4 to be installed on the outer circumferential surface of the main body 1 by embedding. After the arc plate 4 is embedded in the groove 3, the arc surface of the arc plate 4 and the outer circumferential surface of the main body 1 are located on the same virtual circumferential surface.
[0032] like Figure 4 and Figure 6 As shown, in this embodiment, the positioning structure includes a positioning bolt 8, and a plurality of first threaded holes 6 are provided on the arc surface of the arc plate 4. The first threaded holes 6 are preferably four and are respectively located at the four corners of the arc plate 4. The corners of the arc plate 4 are rounded or chamfered. The groove 3 is provided with a second threaded hole 7 that mates with the first threaded holes 6. By screwing the positioning bolt 8 into the first threaded hole 6 and the second threaded hole 7 in sequence, the arc plate 4 can be prevented from moving relative to the groove 3.
[0033] The above technical solution allows the arc-shaped plate 4 to be fixed to the main body 1 using bolts and nuts.
[0034] like Figure 1 and Figure 4 As shown, in this embodiment, a gear 9 is fixedly provided on one side of the main body 1, and the rotation axis of the gear 9 and the main body 1 coincide with each other.
[0035] The above technical solution facilitates the rotation of gear 9 by the drive gear of the power component of the fishing net machine, thereby using gear 9 to drive the main body 1 to rotate.
[0036] like Figure 5 and Figure 6As shown, in this embodiment, a fixing structure for installing and removing the gear 9 and the main body 1 is provided between them. The fixing structure includes: a fastening bolt 12; a fastening nut 13 adapted to the fastening bolt 12; a plurality of first through holes 10 are opened on the surface of the gear 9; a second through hole 11 that mates with the first through holes 10 is opened at one end of the main body 1; the rod part of the fastening bolt 12 passes through the first through holes 10 and the second through holes 11 in sequence and is connected to the fastening bolt 12 to prevent relative movement between the main body 1 and the gear 9.
[0037] The above technical solution enables the gear 9 to be detachably connected to the main body 1.
[0038] like Figure 2 As shown, in this embodiment, the second through hole 11 is an annular hole, and the center of the annular hole is located on the rotation axis of the main body 1.
[0039] The above technical solution allows for easy fine-tuning of the position between the main body 1 and the gear 9 during installation. When the fastening nut 13 is not fully tightened, the main body 1 can be rotated relative to the gear 9 around its own rotation axis to fine-tune the position.
[0040] like Figure 5 and Figure 6 As shown, in this embodiment, the fixing structure also includes a washer 14 sleeved on the outer circumference of the fastening bolt 12. The outer diameter of the washer 14 is larger than the inner diameter of the second through hole 11. The washer 14 is used to separate the fastening nut 13 from the body 1 to reduce the wear of the body 1.
[0041] The above technical solution can help reduce the wear of the main body 1 and improve its service life.
[0042] like Figure 5 and Figure 6 As shown, in this embodiment, the main body 1 has a first bearing mounting hole 15 at the center of rotation, and the gear 9 has a second bearing mounting hole 16 at the center of rotation that communicates with the first bearing mounting hole 15. The first bearing mounting hole 15 and the second bearing mounting hole 16 are used to install bearings and connecting shafts.
[0043] The above technical solution allows the main body 1 to be easily rotated and set in the corresponding position of the fishing net machine, and the bearing connection helps to reduce the frictional resistance when the main body 1 rotates.
[0044] Working principle: During replacement, the positioning bolts 8 on the surface of the arc plate 4 are unscrewed with a screwdriver, thereby removing the unwanted arc plate 4 from the main body 1. The arc plate 4 with the desired second groove 5 is placed in the groove 3 of the main body 1. The positioning bolts 8 are screwed into the first threaded hole 6 and the second threaded hole 7 in sequence, thereby installing the arc plate 4 on the main body 1. The second groove 5 on the newly installed arc plate 4 will align with the first groove 2 on the main body 1, thus obtaining the drive wheel with the desired groove. Therefore, it is not necessary to remove the entire drive wheel, including the main body 1, from the connecting shaft to obtain the complete groove of the desired pattern, which improves the replacement efficiency and is also safer.
[0045] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.
[0046] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A detachable drive wheel for a fishing net machine, characterized in that, The device includes a main body (1) having a cylindrical outer circumferential surface, and at least one arcuate plate (4) detachably mounted on the outer circumferential surface of the main body (1). The main body (1) has a first groove (2) formed on its outer circumferential surface as a common part of all grooves. The arcuate plate (4) has a second groove (5) formed on its arcuate surface as a distinguishing part of each groove. When the arcuate plate (4) is mounted on the main body (1), the second groove (5) and the first groove (2) can be joined end to end to make the groove closed loop. The corresponding required grooves can be formed by replacing the arcuate plate (4) with different styles of second grooves (5) on the main body (1).
2. The detachable drive wheel of the fishing net machine according to claim 1, characterized in that, The outer circumferential surface of the main body (1) is provided with a groove (3) that is adapted to the outer contour of the arc plate (4) so that when the arc plate (4) is placed in the groove (3), the end of the second groove (5) and the end of the first groove (2) can be aligned with each other. The drive wheel also includes a positioning structure for fixing the arc plate (4) in the groove (3).
3. The detachable drive wheel of the fishing net machine according to claim 2, characterized in that, The positioning structure includes a positioning bolt (8), and a plurality of first threaded holes (6) are provided on the arc surface of the arc plate (4). A second threaded hole (7) that mates with the first threaded hole (6) is provided in the groove (3). By screwing the positioning bolt (8) into the first threaded hole (6) and the second threaded hole (7) in sequence, the arc plate (4) can be prevented from moving relative to the groove (3).
4. The detachable drive wheel of the fishing net machine according to claim 1, characterized in that, A gear (9) is fixedly provided on one side of the main body (1), and the rotation axis of the gear (9) and the main body (1) coincide with each other.
5. The detachable drive wheel of the fishing net machine according to claim 4, characterized in that, A fixing structure for installing and removing the gear (9) and the main body (1) is provided between them, the fixing structure including: Fastening bolt (12); A fastening nut (13) is adapted to the fastening bolt (12). The surface of the gear (9) is provided with a plurality of first through holes (10). The main body (1) is provided with a second through hole (11) at one end that mates with the first through holes (10). The rod part of the fastening bolt (12) passes through the first through holes (10) and the second through holes (11) in sequence and is connected to the fastening bolt (12) to prevent relative movement between the main body (1) and the gear (9).
6. The detachable drive wheel of the fishing net machine according to claim 5, characterized in that, The second through hole (11) is an annular hole, and the center of the annular hole is located on the rotation axis of the main body (1).
7. The detachable drive wheel of the fishing net machine according to claim 6, characterized in that, The fixing structure also includes a washer (14) sleeved on the outer circumference of the fastening bolt (12). The outer diameter of the washer (14) is larger than the inner diameter of the second through hole (11). The washer (14) is used to separate the fastening nut (13) from the body (1) to reduce the wear of the body (1).
8. The detachable drive wheel of the fishing net machine according to claim 4, characterized in that, The main body (1) has a first bearing mounting hole (15) at the center of rotation, and the gear (9) has a second bearing mounting hole (16) at the center of rotation that communicates with the first bearing mounting hole (15). The first bearing mounting hole (15) and the second bearing mounting hole (16) are used to install bearings and connecting shafts.