CN109178274B - Marine screw fishing net cutting knife mechanism - Google Patents

Marine screw fishing net cutting knife mechanism Download PDF

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Publication number
CN109178274B
CN109178274B CN201811298351.XA CN201811298351A CN109178274B CN 109178274 B CN109178274 B CN 109178274B CN 201811298351 A CN201811298351 A CN 201811298351A CN 109178274 B CN109178274 B CN 109178274B
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China
Prior art keywords
penetrating
cutting
connecting rod
cutting knife
rod
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CN201811298351.XA
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Chinese (zh)
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CN109178274A (en
Inventor
王美兰
徐小龙
汪子昂
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Pingyi Ren'an Traditional Chinese Medicine Industry Development Co ltd
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Dongtai Offshore Engineering Safety Technology Co ltd
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Priority to CN201811298351.XA priority Critical patent/CN109178274B/en
Publication of CN109178274A publication Critical patent/CN109178274A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
    • B63H5/165Propeller guards, line cutters or other means for protecting propellers or rudders

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Knives (AREA)

Abstract

The invention discloses a marine propeller fishing net cutting knife mechanism, which comprises a transmission shaft, a propeller blade and a cutting mechanism, wherein the transmission shaft is connected with the propeller blade; the cutting mechanism comprises two connecting cylinders, two connecting rods, two penetrating and connecting blocks, a penetrating and connecting rod and a plurality of cutting knives; the cutting mechanism is movably arranged on the propeller blades, the connecting rod is used as a transition medium, the penetration block is connected with the connecting cylinder, the cutting knives are penetrated on the penetration connecting rod, the direction of the cutting edges of the cutting knives is consistent with the rotating direction of the propeller blades during installation, and therefore the cutting is carried out by the cutting knives; when the propeller blades rotate, the cutting knives can be used for telescopic floating cutting on the penetrating rod, and the cutting efficiency is higher.

Description

Marine screw fishing net cutting knife mechanism
Technical Field
The invention relates to a marine propeller fishing net cutter mechanism.
Background
As is well known, a propulsion device of a ship generally adopts a propeller mode, wherein the propeller is composed of a transmission shaft and propeller blades, the propeller is connected with an output shaft of a power machine through the transmission shaft, the transmission shaft is connected with a ship body through a bearing, a bearing seat and a sealing device, a ship stern tube or a beauty frame is arranged at the joint of the ship body corresponding to the propeller, the transmission shaft drives the propeller to rotate so as to drive the ship to sail, and when the ship sails, a groove between a propeller drum and the ship stern tube or the beauty frame and the propeller drum is often wound by floaters, fishing nets, cables and the like in water, so that the normal work of the propeller is influenced, sometimes the propeller is damaged, the power of the ship is.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a marine propeller fishing net cutting knife mechanism with convenient disassembly and adjustable cutting surface size.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a marine propeller fishing net cutting knife mechanism comprises a transmission shaft, propeller blades and a cutting mechanism; the propeller blades are uniformly arranged on the outer side of the periphery of the transmission shaft; the spiral blades are respectively provided with a cutting mechanism; the cutting mechanism comprises two connecting cylinders, two connecting rods, two penetrating and connecting blocks, a penetrating and connecting rod and a plurality of cutting knives; two ends of the propeller blade are respectively provided with a connecting cylinder; a connecting rod is movably arranged in each connecting cylinder; one end of the connecting rod is movably connected into the connecting cylinder, and the other end of the connecting rod is rotationally clamped with one penetrating and connecting block respectively; the penetrating and connecting rods are penetrated and connected on the two penetrating and connecting blocks, and two ends of the penetrating and connecting rods respectively extend to the outer sides of the penetrating and connecting blocks; two ends of the penetrating rod are respectively movably locked with the penetrating block; the penetrating connecting rod is connected with a plurality of cutting knives in a penetrating way; the plurality of cutters are sequentially arranged between the two penetration blocks in parallel; the cutting knife is of a block structure, and cutting edges are arranged on two sides of the cutting knife.
Furthermore, an internal thread channel is arranged in the connecting cylinder; one end of the connecting rod is provided with an external thread; one end of the connecting rod is rotatably connected in the internal thread channel of the connecting cylinder through an external thread.
Furthermore, the other end of the connecting rod is provided with a rotary clamping tooth; the cross-connecting block is provided with a rotary clamping groove; the connecting rod is rotatably clamped in the rotating clamping groove of the penetrating and connecting block through the rotating clamping teeth.
Further, the cutting mechanism also comprises two locking nuts; two ends of the penetrating rod are respectively provided with a threaded column; the threaded columns are respectively in threaded connection with a locking nut; the locking nut is rotationally pressed on the outer side surface of the penetrating and connecting block.
Further, the cutting mechanism also comprises two elastic bodies; two ends of the penetrating rod are respectively sleeved with an elastic body; the elastic bodies are respectively elastically compressed and installed between the inner side surface of the penetration block and the cutting knife.
Furthermore, the cross section of the cross-connecting rod is of a rectangular structure; the cutting knife is provided with a rectangular channel penetrating through two ends of the cutting knife; the cutting knife is connected on the through connecting rod in a penetrating mode through the rectangular channel.
Further, the cutting knife is manufactured by a carburizing process; the surface of the cutting knife is provided with a ceramic coating.
The invention has the advantages of
The cutting mechanism is movably arranged on the propeller blade, the connecting rod is used as a transition medium, the penetration block is connected with the connecting cylinder, the cutting knives are penetrated on the penetration connecting rod, the direction of the cutting edge of the cutting knife is consistent with the rotating direction of the propeller blade during installation, and therefore the cutting is carried out by the cutting knives; when the propeller blades rotate, the cutting knives can be used for telescopic floating cutting on the penetrating rod, and the cutting efficiency is higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic structural view of a propeller blade and a cutting mechanism at one side of the present invention.
Fig. 3 is a sectional view of the cutter of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a marine propeller fishing net cutter mechanism comprises a transmission shaft 2, a propeller blade 1 and a cutting mechanism 3; the propeller blades 1 are uniformly arranged on the outer side of the periphery of the transmission shaft 2; the propeller blades 1 are respectively provided with a cutting mechanism 3; the cutting mechanism 3 comprises two connecting cylinders 31, two connecting rods 32, two penetration blocks 33, a penetration rod 34 and a plurality of cutting knives 35; two ends of the propeller blade 1 are respectively provided with a connecting cylinder 31; a connecting rod 32 is movably arranged in each connecting cylinder 31; one end of the connecting rod 32 is movably connected in the connecting cylinder 31, and the other end of the connecting rod 32 is rotationally clamped with a penetrating block 33 respectively; the penetrating rod 34 penetrates through the two penetrating blocks 33, and two ends of the penetrating rod 34 respectively extend to the outer sides of the penetrating blocks 33; two ends of the cross-connecting rod 34 are respectively movably locked with the cross-connecting blocks 33; a plurality of cutters 35 are connected to the cross-connecting rod 34 in a cross-connecting manner; the plurality of cutters 35 are sequentially arranged between the two penetration blocks 33 side by side; the cutting knife 35 is of a block structure, and cutting edges are arranged on two sides of the cutting knife 35.
As shown in fig. 1 to 3, it is further preferable that an internal thread passage is provided in the connecting cylinder 31; one end of the connecting rod 32 is provided with an external thread; one end of the connecting rod 32 is rotatably connected in the internal thread channel of the connecting cylinder 31 through an external thread. More preferably, the other end of the connecting rod 32 is provided with a rotary clamping tooth 321; the cross-connecting block 33 is provided with a rotary clamping groove; the connecting rod 32 is rotatably clamped in the rotary clamping groove of the through block 33 through the rotary clamping tooth 321. Further preferably, the cutting mechanism 3 further comprises two locking nuts 37; threaded columns 341 are respectively arranged at two ends of the cross-connecting rod 34; the threaded columns 341 are respectively connected with a locking nut 37 in a threaded manner; the locking nut 37 is rotatably pressed against the outer side surface of the through-connection block 33. Further preferably, the cutting mechanism 3 further includes two elastic bodies 36; two ends of the cross-connecting rod 34 are respectively sleeved with an elastic body 36; the elastic bodies 36 are respectively arranged between the inner side surfaces of the penetration blocks 33 and the cutting knife 35 in an elastic compression way. Further preferably, the cross section of the cross-connecting rod 34 is rectangular; the cutting knife 35 is provided with a rectangular channel 352 penetrating through two ends of the cutting knife; the cutting knife 35 is connected to the through-connection rod 34 through a rectangular channel 352. More preferably, the cutter 35 is manufactured by a carburizing process; the surface of the cutting knife 35 is provided with a ceramic coating.
According to the invention, the cutting mechanism 3 is movably arranged on the propeller blade 1, the connecting rod 32 is used as a transition medium, the penetrating block 33 is connected with the connecting cylinder 31, the plurality of cutters 35 are penetrated on the penetrating rod 34, and the direction of the cutting edge 351 of each cutter 35 is consistent with the rotation direction of the propeller blade 1 during installation, so that the plurality of cutters 35 are used for cutting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (2)

1. A marine propeller fishing net cutting knife mechanism is characterized by comprising a transmission shaft, a propeller blade and a cutting mechanism; the propeller blades are uniformly arranged on the outer side of the periphery of the transmission shaft; the spiral blades are respectively provided with a cutting mechanism; the cutting mechanism comprises two connecting cylinders, two connecting rods, two penetrating and connecting blocks, a penetrating and connecting rod and a plurality of cutting knives; two ends of the propeller blade are respectively provided with a connecting cylinder; a connecting rod is movably arranged in each connecting cylinder; one end of the connecting rod is movably connected into the connecting cylinder, and the other end of the connecting rod is rotationally clamped with one penetrating and connecting block respectively; the penetrating and connecting rods are penetrated and connected on the two penetrating and connecting blocks, and two ends of the penetrating and connecting rods respectively extend to the outer sides of the penetrating and connecting blocks; two ends of the penetrating rod are respectively movably locked with the penetrating block; the penetrating connecting rod is connected with a plurality of cutting knives in a penetrating way; the plurality of cutters are sequentially arranged between the two penetration blocks in parallel; the cutting knife is of a block structure, and cutting edges are arranged on two sides of the cutting knife; an internal thread channel is arranged in the connecting cylinder; one end of the connecting rod is provided with an external thread; one end of the connecting rod is rotatably connected in the internal thread channel of the connecting cylinder through an external thread; the other end of the connecting rod is provided with a rotary clamping tooth; the cross-connecting block is provided with a rotary clamping groove; the connecting rod is rotationally clamped in the rotary clamping groove of the through connecting block through the rotary clamping teeth; the cutting mechanism also comprises two locking nuts; two ends of the penetrating rod are respectively provided with a threaded column; the threaded columns are respectively in threaded connection with a locking nut; the locking nut is rotationally pressed on the outer side surface of the penetrating and connecting block; the cutting mechanism also comprises two elastic bodies; two ends of the penetrating rod are respectively sleeved with an elastic body; the elastic bodies are respectively elastically compressed and arranged between the inner side surface of the penetration block and the cutting knife; the cross section of the cross-connecting rod is of a rectangular structure; the cutting knife is provided with a rectangular channel penetrating through two ends of the cutting knife; the cutting knife is connected on the through connecting rod in a penetrating mode through the rectangular channel.
2. The cutter mechanism of marine propeller fishing net according to claim 1, wherein the cutter is manufactured by a carburizing process; the surface of the cutting knife is provided with a ceramic coating.
CN201811298351.XA 2018-11-02 2018-11-02 Marine screw fishing net cutting knife mechanism Active CN109178274B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811298351.XA CN109178274B (en) 2018-11-02 2018-11-02 Marine screw fishing net cutting knife mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811298351.XA CN109178274B (en) 2018-11-02 2018-11-02 Marine screw fishing net cutting knife mechanism

Publications (2)

Publication Number Publication Date
CN109178274A CN109178274A (en) 2019-01-11
CN109178274B true CN109178274B (en) 2020-07-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811298351.XA Active CN109178274B (en) 2018-11-02 2018-11-02 Marine screw fishing net cutting knife mechanism

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531791D0 (en) * 1985-12-24 1986-02-05 Shaw R D Line cutting device
JP2002320872A (en) * 2001-04-27 2002-11-05 Yutaka Kanamaru Forward swing type rotary blade
CN101380995A (en) * 2007-09-07 2009-03-11 浙江海洋学院 Helical multi-edge cutting knife
CN201518584U (en) * 2009-09-11 2010-07-07 镇江益林金刚石工具有限公司 Saw blade used for mowing
CN203078743U (en) * 2013-03-12 2013-07-24 张建新 Sawtooth propeller
CN104828229B (en) * 2015-04-20 2017-07-14 舟山万达船舶设计有限公司 A kind of ocean fishing vessel propeller
CN105129061B (en) * 2015-08-10 2017-09-01 上海斯玛德大推船用螺旋桨设计有限公司 propeller
CN207208432U (en) * 2017-08-18 2018-04-10 象山博生电子科技有限公司 A kind of marine electric propeller
CN107554733B (en) * 2017-09-20 2018-06-19 航天晨光(福建)管业科技有限公司 A kind of Propeller Guard device

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Effective date of registration: 20200618

Address after: 224234 No. 1738, Fuqian East Road, Xinjie Town, Dongtai City, Yancheng City, Jiangsu Province

Applicant after: Dongtai Offshore Engineering Safety Technology Co.,Ltd.

Address before: 224234 912 group eleven, Fung Qiao village, Xinjie Town, Dongtai, Yancheng City, Jiangsu.

Applicant before: DONGTAI SEA MARINE EQUIPMENT Co.,Ltd.

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Effective date of registration: 20210908

Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing

Patentee after: Li Qiannan

Address before: 224234 No. 1738, Fuqian East Road, Xinjie Town, Dongtai City, Yancheng City, Jiangsu Province

Patentee before: Dongtai Offshore Engineering Safety Technology Co.,Ltd.

TR01 Transfer of patent right
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Effective date of registration: 20221208

Address after: 276000 south of the intersection of Wenhua Road and Pingwang Road, Pingyi Economic Development Zone, Pingyi County, Linyi City, Shandong Province

Patentee after: Pingyi ren'an traditional Chinese Medicine Industry Development Co.,Ltd.

Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing

Patentee before: Li Qiannan

TR01 Transfer of patent right