Strength testing device for fishing net production

Abstract

The utility model provides a strength testing device for fishing net production, belongs to the technical field of fishing net production, and is used for solving the technical problem that an existing fishing net strength testing device is relatively low in detection efficiency on a long-strip-shaped fishing net. Comprising a rack, a rotating roller and a rotating cylinder are rotationally arranged on the rack, a plurality of protruding rods and a first worm wheel are fixed to the rotating roller, a plurality of sliding holes are formed in the rotating cylinder, telescopic rods are slidably arranged in the sliding holes, a telescopic mechanism is arranged in the rotating cylinder, a second worm wheel is fixed to the rotating cylinder, and a first transmission rod and a second transmission rod are rotationally arranged on one side of the rack; a first worm is fixed to the first transmission rod, a second worm is fixed to the second transmission rod, and a speed reduction transmission mechanism is arranged between the second transmission rod and the first transmission rod. According to the strength testing device for fishing net production, continuous traction can be conducted in the moving process of a fishing net, so that tension strength detection is conducted on all parts of the fishing net, frequent feeding and discharging of operators are not needed, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fishing net production and relates to a strength testing device for fishing net production. Background Art

[0002] As the name implies, fishing nets are used to catch fish. In ancient times, people used coarse cloth and hemp as raw materials and made fishing nets by bundling and rolling. Although this kind of fishing net is easy to rot and has poor toughness, its fishing efficiency has been greatly improved. With the development of the fishing industry, the objects of fishing and hunting are not only fish, and the fishing tools have also kept pace with the times. Most of the fishing nets used now are made of synthetic fibers.

[0003] After the fishing net is woven, it needs to be tested for tensile strength to detect whether the fishing net will be deformed or torn under the corresponding tensile force, so as to ensure the factory quality of the fishing net. For long fishing nets, the existing strength test generally requires the operator to place a part of the fishing net on the testing equipment and pull it with a certain force to observe whether the fishing net is damaged. Due to the volume limitation of the testing equipment, only part of the fishing net can be tested. To test the remaining parts, the operator needs to re-load and unload the materials, and the detection efficiency is low.

[0004] Based on this, we designed a strength testing device for fishing net production. Utility Model Content

[0005] The utility model aims at solving the above problems in the prior art and proposes a strength testing device for fishing net production. The technical problem to be solved by the device is: how to improve the tensile strength testing efficiency of long strip fishing nets.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A strength testing device for fishing net production comprises a frame, a rotating roller and a rotating drum are rotatably arranged on the frame, and both ends of the rotating drum are opened, a plurality of convex rods with equal intervals are fixed on the rotating roller, and a first worm gear is fixed to one end of the rotating shaft of the rotating roller, a plurality of sliding holes with equal intervals are opened on the rotating drum, a telescopic rod is slidably arranged in the sliding hole, and a telescopic mechanism for driving the telescopic rod to slide is arranged inside the rotating drum, a second worm gear is fixed to the outside of one end of the rotating drum, a first transmission rod and a second transmission rod are rotatably arranged on one side of the frame, a first worm gear is fixed on the first transmission rod, and the first worm gear and the first worm gear are meshed with each other, a second worm gear is fixed on the second transmission rod, and the second worm gear and the second worm gear are meshed with each other, a reduction transmission mechanism is arranged between the second transmission rod and the first transmission rod, and a driving motor for driving the second transmission rod to rotate is installed on the frame.

[0008] The telescopic mechanism includes two symmetrically distributed support plates fixed on the frame, an eccentric rod is fixed between the two support plates, the eccentric rod is located inside the rotating cylinder, and the axis of the eccentric rod is located above the axis of the rotating cylinder, a plurality of connecting rods are arranged inside the rotating cylinder, and the telescopic rods in the same row are fixed on the same connecting rod, and tension belts are connected between the plurality of connecting rods.

[0009] With the above structure, when in use, the rotating cylinder drives the telescopic rod to rotate synchronously, and under the action of the tension belt, each connecting rod will be tightly attached to the outside of the eccentric rod. Due to the eccentric setting of the eccentric rod, the upper telescopic rod will extend out of the sliding hole to pull the fishing net, while the lower telescopic rod will retract into the sliding hole, so that the fishing net can be separated from the rotating cylinder, preventing the fishing net from being wrapped around the outside of the rotating cylinder.

[0010] The reduction transmission mechanism includes a first conical platform fixed on the first transmission rod and a second conical platform fixed on the second transmission rod, and the first conical platform is provided with a plurality of first transmission grooves distributed at equal intervals, and the second conical platform is provided with a plurality of second transmission grooves distributed at equal intervals, and a transmission belt is installed between the first transmission grooves and the second transmission grooves at corresponding positions.

[0011] With the above structure, when in use, the operator can install the transmission belt on the first transmission groove and the second transmission groove at different positions, thereby changing the transmission ratio between the first transmission rod and the second transmission rod, and changing the stretching ratio of the fishing net between the rotating drum and the rotating roller, so that the device can be suitable for fishing nets of different materials and specifications.

[0012] Two symmetrically distributed support frames are fixed on one side of the frame close to the rotating roller, and two pressing rollers are rotatably arranged between the two support frames.

[0013] With the above structure, when in use, the fishing net is passed between the two pressing rollers, which can improve the flatness of the fishing net and improve the accuracy of the detection result.

[0014] A cross bar is fixed on one side of the frame close to the rotating cylinder, and a plurality of inclined rods are fixed on the cross bar, and the upper ends of the inclined rods are in contact with the outer surface of the rotating cylinder.

[0015] With the above structure, when in use, after the fishing net is pulled by the telescopic rod on the rotating drum, when the fishing net contacts the inclined rod, it will be separated from the rotating drum under the action of the inclined rod, further preventing the fishing net from being entangled on the rotating drum.

[0016] Compared with the prior art, the strength testing device for fishing net production has the following advantages:

[0017] 1. Through the rotating roller, the rotating cylinder, the first transmission rod, the second transmission rod and the reduction transmission mechanism, the fishing net can be pulled continuously during its movement, so as to detect the tensile strength of each part of the fishing net. It does not require operators to frequently load and unload materials, thus improving the detection efficiency.

[0018] 2. Through the reduction transmission mechanism, the transmission ratio between the first transmission rod and the second transmission rod can be adjusted to achieve different proportions of stretching the fishing net, so that the device can detect fishing nets of different materials or specifications, expanding the scope of application of the device.

[0019] 3. Through the telescopic mechanism, the telescopic rod can be retracted into the rotating cylinder after the fishing net is stretched. With the guiding effect of the inclined rod, the fishing net can be separated from the rotating cylinder to prevent the fishing net from being wound outside the rotating cylinder, thereby ensuring the stability of the device operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the reduction transmission mechanism in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the telescopic mechanism in the utility model.

[0023] In the figure: 1, frame; 2, rotating roller; 3, rotating cylinder; 301, sliding hole; 4, convex rod; 5, first worm gear; 6, telescopic rod; 7, telescopic mechanism; 701, support plate; 702, eccentric rod; 703, connecting rod; 704, tension belt; 8, second worm gear; 9, first transmission rod; 10, first worm; 11, second transmission rod; 12, second worm; 13, reduction transmission mechanism; 1301, first conical platform; 1302, first transmission groove; 1303, second conical platform; 1304, second transmission groove; 1305, transmission belt; 14, driving motor; 15, support frame; 16, pressure roller; 17, cross bar; 18, inclined bar. DETAILED DESCRIPTION

[0024] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0027] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0028] See also Figure 1-3 The present embodiment provides a strength testing device for fishing net production, comprising a frame 1, a rotating roller 2 and a rotating drum 3 are rotatably arranged on the frame 1, and both ends of the rotating drum 3 are opened, a plurality of convex rods 4 with equal spacing are fixed on the rotating roller 2, and a first worm gear 5 is fixed on one end of the rotating shaft of the rotating roller 2, a plurality of sliding holes 301 with equal spacing are opened on the rotating drum 3, a telescopic rod 6 is slidably arranged in the sliding hole 301, and a telescopic mechanism 7 for driving the telescopic rod 6 to slide is arranged inside the rotating drum 3, a second worm gear 8 is fixed to the outer side of one end of the rotating drum 3, a first transmission rod 9 and a second transmission rod 11 are rotatably arranged on one side of the frame 1, a first worm 10 is fixed on the first transmission rod 9, and the first worm 10 is meshed with the first worm gear 5, a second worm 12 is fixed on the second transmission rod 11, and the second worm 12 is meshed with the second worm gear 8, a reduction transmission mechanism 13 is arranged between the second transmission rod 11 and the first transmission rod 9, and a driving motor 14 for driving the second transmission rod 11 to rotate is installed on the frame 1.

[0029] The telescopic mechanism 7 includes two symmetrically distributed support plates 701 fixed on the frame 1, an eccentric rod 702 is fixed between the two support plates 701, the eccentric rod 702 is located inside the rotating cylinder 3, and the axis of the eccentric rod 702 is located above the axis of the rotating cylinder 3, a plurality of connecting rods 703 are arranged inside the rotating cylinder 3, and the telescopic rods 6 in the same row are fixed on the same connecting rod 703, and a tension belt 704 is connected between the plurality of connecting rods 703; when in use, the rotating cylinder 3 drives the telescopic rod 6 to rotate synchronously, and under the action of the tension belt 704, each connecting rod 703 will be tightly attached to the outside of the eccentric rod 702, and due to the eccentric setting of the eccentric rod 702, the upper telescopic rod 6 will extend out of the sliding hole 301 to pull the fishing net, and the lower telescopic rod 6 will retract into the sliding hole 301, so that the fishing net can be separated from the rotating cylinder 3, and the fishing net is prevented from being wound around the outside of the rotating cylinder 3.

[0030] The reduction transmission mechanism 13 includes a first conical table 1301 fixed on the first transmission rod 9 and a second conical table 1303 fixed on the second transmission rod 11, and the first conical table 1301 is provided with a plurality of first transmission grooves 1302 distributed at equal intervals, and the second conical table 1303 is provided with a plurality of second transmission grooves 1304 distributed at equal intervals, and a transmission belt 1305 is installed between the first transmission grooves 1302 and the second transmission grooves 1304 at corresponding positions; when in use, the operator can install the transmission belt 1305 on the first transmission grooves 1302 and the second transmission grooves 1304 at different positions, so as to change the transmission ratio between the first transmission rod 9 and the second transmission rod 11, and change the fishing net stretching ratio between the rotating drum 3 and the rotating roller 2, so that the device can be suitable for fishing nets of different materials and specifications.

[0031] Two symmetrically distributed support frames 15 are fixed on one side of the frame 1 close to the rotating roller 2, and two pressure rollers 16 are rotatably arranged between the two support frames 15; when in use, passing the fishing net between the two pressure rollers 16 can improve the flatness of the fishing net and improve the accuracy of the detection result.

[0032] A cross bar 17 is fixed to one side of the frame 1 close to the rotating drum 3, and a plurality of inclined rods 18 are fixed on the cross bar 17, and the upper ends of the inclined rods 18 are in contact with the outer surface of the rotating drum 3; when in use, after the fishing net is pulled over by the telescopic rod 6 on the rotating drum 3, when the fishing net contacts the inclined rods 18, it will be separated from the rotating drum 3 under the action of the inclined rods 18, further preventing the fishing net from being entangled on the rotating drum 3.

[0033] In this embodiment, the above-mentioned fixing methods are the most commonly used fixing connection methods in this field, such as welding, bolt connection, etc.; the above-mentioned electrical components, such as the drive motor 14, etc., are all existing technology products and can be directly purchased and used in the market, and the specific principles will not be repeated.

[0034] The working principle of this utility model:

[0035] When in use, the operator passes one end of the long strip fishing net through between the two pressure rollers 16, and then passes over the rotating roller 2 and the top of the rotating drum 3. At this time, the convex rod 4 and the telescopic rod 6 will be inserted into the mesh of the fishing net to pull the fishing net, and then the driving motor 14 will be started. The driving motor 14 will drive the second transmission rod 11 to rotate, and drive the rotating drum 3 to rotate through the second worm 12 and the second worm gear 8. At the same time, the second transmission rod 11 will drive the first transmission rod 9 to rotate through the transmission belt 1305, and the first transmission rod 9 will drive the rotating roller 2 to rotate through the first worm 10 and the first worm gear 5, and the rotation speed of the rotating drum 3 is greater than that of the rotating roller 2. At this time, the fishing net between the rotating roller 2 and the rotating drum 3 will be stretched, and it can be directly observed whether this part of the fishing net is deformed and torn. Such continuous operation will perform strength testing on the entire fishing net without the need for The operator is required to load and unload materials frequently, and the detection efficiency is significantly improved. Moreover, under the action of the tension belt 704, each connecting rod 703 will be tightly attached to the outside of the eccentric rod 702. Due to the eccentric setting of the eccentric rod 702, the upper telescopic rod 6 will extend out of the slide hole 301 to pull the fishing net, while the lower telescopic rod 6 will retract into the slide hole 301, and with the guiding effect of the inclined rod 18, the fishing net can be separated from the rotating drum 3 to prevent the fishing net from being wound outside the rotating drum 3. In addition, the operator can install the transmission belt 1305 on the first transmission groove 1302 and the second transmission groove 1304 at different positions, thereby changing the transmission ratio between the first transmission rod 9 and the second transmission rod 11, and changing the fishing net stretching ratio between the rotating drum 3 and the rotating roller 2, so that the device can be suitable for fishing nets of different materials and specifications.

[0036] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A strength testing device for fishing net production, comprising a frame (1), characterized in that: The frame (1) is rotatably provided with a rotating roller (2) and a rotating cylinder (3), and both ends of the rotating cylinder (3) are provided with openings, a plurality of convex rods (4) distributed at equal intervals are fixed on the rotating roller (2), and a first worm gear (5) is fixed to one end of the rotating shaft of the rotating roller (2), a plurality of sliding holes (301) distributed at equal intervals are provided on the rotating cylinder (3), a telescopic rod (6) is slidably provided in the sliding hole (301), and a telescopic mechanism (7) for driving the telescopic rod (6) to slide is provided inside the rotating cylinder (3), and a second worm gear (8) is fixed to the outer side of one end of the rotating cylinder (3) A first transmission rod (9) and a second transmission rod (11) are rotatably provided on one side of the frame (1); a first worm (10) is fixed on the first transmission rod (9), and the first worm (10) and the first worm wheel (5) are meshed with each other; a second worm (12) is fixed on the second transmission rod (11), and the second worm (12) and the second worm wheel (8) are meshed with each other; a reduction transmission mechanism (13) is provided between the second transmission rod (11) and the first transmission rod (9), and a driving motor (14) for driving the second transmission rod (11) to rotate is installed on the frame (1).

2. A strength testing device for fishing net production according to claim 1, characterized in that: The telescopic mechanism (7) comprises two symmetrically distributed support plates (701) fixed on the frame (1); an eccentric rod (702) is fixed between the two support plates (701); the eccentric rod (702) is located inside the rotating cylinder (3); and the axis of the eccentric rod (702) is located above the axis of the rotating cylinder (3); a plurality of connecting rods (703) are arranged inside the rotating cylinder (3); the telescopic rods (6) in the same row are fixed on the same connecting rod (703); and tension belts (704) are connected between the plurality of connecting rods (703).

3. A strength testing device for fishing net production according to claim 1, characterized in that: The reduction transmission mechanism (13) comprises a first conical platform (1301) fixed on a first transmission rod (9) and a second conical platform (1303) fixed on a second transmission rod (11), and the first conical platform (1301) is provided with a plurality of first transmission grooves (1302) distributed at equal intervals, and the second conical platform (1303) is provided with a plurality of second transmission grooves (1304) distributed at equal intervals, and a transmission belt (1305) is installed between the first transmission grooves (1302) and the second transmission grooves (1304) at corresponding positions.

4. A strength testing device for fishing net production according to claim 1, characterized in that: Two symmetrically distributed support frames (15) are fixed on one side of the frame (1) close to the rotating roller (2), and two pressure rollers (16) are rotatably arranged between the two support frames (15).

5. A strength testing device for fishing net production according to claim 1 or 3, characterized in that: A cross bar (17) is fixed on one side of the frame (1) close to the rotating cylinder (3), and a plurality of inclined bars (18) are fixed on the cross bar (17), and the upper ends of the inclined bars (18) are in contact with the outer surface of the rotating cylinder (3).

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