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Board-side net-hauling tension testing device

A technology of testing device and power device, applied in fishing nets, fishing boats, fishing and other directions, can solve the problems of lack of basic basis for device design, lack of basic experimental research, drum structure and net difficulty, etc., and achieves simple structure and high measurement accuracy. , the effect of convenient operation

Inactive Publication Date: 2015-04-22
FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the calculation of twisting force of drums, fishing nets and cables mainly relies on experience, analogy or calculation formulas with reference to belt transmission, and there is a lack of basic experimental research. Therefore, the calculation error is large, the design of the device lacks basic basis, and the structure of the drum and the net are difficult. optimal match

Method used

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  • Board-side net-hauling tension testing device
  • Board-side net-hauling tension testing device
  • Board-side net-hauling tension testing device

Examples

Experimental program
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Effect test

Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] see Figure 1-7 , according to the requirements for measuring the friction force between the side drum and the mesh and the tension of the mesh, the present invention uses the torque meter 2 and the tension and pressure sensor 21 to work together to accurately measure the dynamic and static friction between the roller and the mesh , the tension of the elastic side mesh. When carrying out friction and tension measurement operations, if it is necessary to replace the side roller, it is only necessary to open the cylinder 10, so that the piston 9 drives the thimble sheath 7 and the thimble 6 to move backward along the sliding bearing 8, so that the thimble and the side roller shaft Port hole disengages. The side roller can be separated from the connection sleeve 3. Then insert the new side roller under test into the taper hole of the con...

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Abstract

The invention relates to a board-side net-hauling tension testing device which comprises a machine frame. A power device, a torque meter and a board-side roller are coaxially arranged on the machine frame, one end of the board-side roller is fixedly connected with the torque meter, and the other end of the board-side roller is axially and radially positioned by a telescopic ejection pin. A tested net piece is arranged above the board-side roller in a covering mode, the front end and the rear end of the tested net piece are respectively fixed by one net locking guide roller, band friction pressing devices are arranged on two sides of each net locking guide roller, adjusts net piece rolling friction force by adjusting clamping forces on two sides of the net piece and accordingly simulates net piece load in a static or moving state. Pull press sensors are installed at two ends of each of front and rear net locking guide rollers and used for detecting change of tightness degree of the front-rear net piece when the board-side roller rotates. The other end of each pull press sensor is fixed to a bottom sliding guide rod. A wrap angle of the net piece to the board-side roller can be changed by moving the position of the sliding guide rod on a guide rail.

Description

technical field [0001] The invention relates to a test device for the tension of side netting, and belongs to the technical field of testing the tension of side netting. Background technique [0002] The side drum is one of the important fishing equipment. It is installed on the side of the fishing boat, relying on the winch tension between the drum and the fishing net or cable to carry out lifting and lowering operations, and has extremely wide uses in fishing operations. For example, when catching saury, with the cooperation of the crew, one end of the rectangular net is fixed on the floating rod on the water surface, and the other end is covered on the side drum of the ship's side. The side drum can quickly retract and unwind the oyster longline, greatly reducing the labor intensity of the operator and improving work efficiency. However, the current calculation of the twisting force of drums, fishing nets and cables mainly relies on experience, analogy, or calculation f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B35/20A01K73/06
Inventor 江涛王志勇徐志强倪汉华刘平谌志新
Owner FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
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