CN110526134A - A kind of hanging hauling power blocks of revolution boom - Google Patents

A kind of hanging hauling power blocks of revolution boom Download PDF

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Publication number
CN110526134A
CN110526134A CN201910903257.0A CN201910903257A CN110526134A CN 110526134 A CN110526134 A CN 110526134A CN 201910903257 A CN201910903257 A CN 201910903257A CN 110526134 A CN110526134 A CN 110526134A
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CN
China
Prior art keywords
boom
power blocks
hauling
hanging
rotatablely connected
Prior art date
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Granted
Application number
CN201910903257.0A
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Chinese (zh)
Other versions
CN110526134B (en
Inventor
林礼群
徐志强
刘平
王志勇
谌志新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fishery Machinery and Instrument Research Institute of CAFS
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Fishery Machinery and Instrument Research Institute of CAFS
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Priority to CN201910903257.0A priority Critical patent/CN110526134B/en
Publication of CN110526134A publication Critical patent/CN110526134A/en
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B66C23/163—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B66C23/86—Slewing gear hydraulically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/08—Driving gear incorporating fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/001—Servomotor systems with fluidic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Means For Catching Fish (AREA)

Abstract

The present invention relates to a kind of hanging hauling power blocks of revolution boom, rotary motor drives revolving platform rotation, and revolving platform and cantilever crane lower end are rotatablely connected, and cantilever crane upper end and connecting rod one end are rotatablely connected, and the connecting rod other end is hung with power blocks by hanging ring connector and connect；First oil cylinder lower end and revolving platform are rotatablely connected, and upper end and cantilever crane are rotatablely connected；Second oil cylinder lower end and cantilever crane are rotatablely connected, and upper end and lifting boom are rotatablely connected；Power blocks include a main shaft, and a pair of of revolving drum is arranged on main shaft, form one for receiving the V-shaped part of net hauling, fix a roll adjustment gasket between one pair of them revolving drum or on the outside of the axial connecting pin of revolving drum by screw.Net operation whole process hydraulic control is played, not only accelerates hauling speed, but also greatly reduce the labor intensity of human assistance Yu hauling operation, while improving production security and catching rate.

Description

A kind of hanging hauling power blocks of revolution boom
Technical field
The present invention relates to a kind of hanging hauling power blocks of revolution boom, belong to fishery fishing gear technical field.
Background technique
Purse seine fishing, drift net fishing and joint fishing are big water surface fresh water fishing main methods, but since drift net is caught Fishing method destroys great efforts to aquatic organism, and more using purse seine and block joint fishing style at present, common ground is all main benefit With the purse seine (block) of large area, the shoal of fish is rushed into specific water space, to gather harvesting.But current big water surface fresh water Fishing purse seine or receipts netting gear equipment mechanization degree of having blocked are low, many to equip using semi-machine, semi-artificial operation, many operations Program is completed by manual operation, cannot achieve operation automation, not only large labor intensity, hauling low efficiency, and increase greatly Duty cycle.
Summary of the invention
The object of the present invention is to provide a kind of hanging hauling power blocks of revolution boom, solve existing power blocks and are applicable in net Have the technical problems such as single, balance is bad, small, the operation control effect difference of hauling position adjustment amplitude, and it can be according to netting gear Scale effectively adjusts hauling width, plays net height and direction according to best hauling position motivation of adjustment coaster, and by concentrating control System completes United Dispatching operation, and system is easy for installation, stationarity is good, manipulation is simple.
The present invention takes following technical scheme:
A kind of hanging hauling power blocks of revolution boom, including rotary motor 4, revolving platform 3, cantilever crane 5, lifting boom 7, first Oil cylinder 6, the second oil cylinder 8, hanging ring connector 9, power blocks 10；The rotary motor 4 drives revolving platform 3 to rotate, revolving platform 3 with The rotation connection of 5 lower end of cantilever crane, 5 upper end of cantilever crane and 7 one end of connecting rod are rotatablely connected, and 7 other end of connecting rod passes through hanging ring connector 9 It hangs and connects with power blocks 10；First oil cylinder, 6 lower end and revolving platform 3 are rotatablely connected, and upper end and cantilever crane 5 are rotatablely connected；It is described Second oil cylinder, 8 lower end and cantilever crane 5 are rotatablely connected, and upper end and lifting boom 7 are rotatablely connected；The power blocks 10 include a main shaft 16, a pair of of revolving drum 14 is arranged on main shaft 16 and forms one for receiving the V-shaped part of net hauling, wherein between a revolving drum 14 or A roll adjustment gasket 17 is fixed by screw on the outside of the axial connecting pin of revolving drum 14, by the roll adjustment for replacing different-thickness Gasket 17 or adjustment roll adjustment gasket (17) installation site adjust the spacing between a pair of of revolving drum 14, and then adjust The width of the V-shaped part；The revolving drum 14 is driven by hydraulic motor 18.
Preferably, the power blocks 10 further include being set to the left backplate 12 and right backplate of 14 flared end of revolving drum 13, the hydraulic motor 18 is set in left backplate 12 or right backplate 13；Tooth is equipped between the left backplate 12 and right backplate 13 Wheel drive mechanism 19, is equipped with lever 20 between 13 lower end of left backplate 12 and right backplate, between 13 upper end of left backplate 12 and right backplate Equipped with annular boom 11, annular 11 upper end of boom is connect with hanging ring connector 9.
Preferably, the annular boom 11 divides for fixed boom 11a and the activity both ends boom 11b, the fixed boom 11a It is connect with movable boom 11b by pin shaft, the fixed lower end boom 11a is bolted with right backplate 13；Movable boom 11b points It is two sections of rotation connection, the lower end of lower section is flexibly connected with left backplate 12 by pin shaft.
Preferably, 3 lower part of revolving platform is connect by floating bearing 2 with pedestal 1, and described 3 one end of revolving platform, which has, matches Loaded van is used for balancing lifting weight.
Preferably, the roll adjustment gasket 17 adjusts revolving drum minimum separation according to netting gear hauling pencil scale, guarantees Frictional force is maximum between netting gear and power blocks；It is spaced in the blade-rotating of the inside of a pair of of revolving drum 14 and that rubber is arranged in a staggered manner is resistance to Abrading block 15.
Preferably, the power blocks 10 are connect with lifting boom 7 by hanging connector 9, and link position is in power blocks The surface of 10 position of centre of gravitys.
Preferably, the hanging hauling power blocks of revolution boom are applied to netting gear in big water surface fresh water fishing operation process Rise receive.
A kind of control method of the above-mentioned revolution hanging hauling power blocks of boom, oil pump 23 are opened, and oil liquid is from fuel tank 21 It is filtered by fine filter 22, input oil pump 23 generates high pressure oil, and high pressure oil inputs proportional reversing valve through flowline and overflow valve 24 Group 25；By surging, the control crank on centralized remote control platform 26 manipulates power blocks, carries out the control of each movement；Pass through hauling 27 motivation of adjustment coaster hauling of control crank work；By turning round the best hauling place of 30 motivation of adjustment coaster of control crank；It is logical It crosses cantilever crane control crank 28 and lifting boom control crank 29 controls the first oil cylinder and the flexible luffing of the second oil cylinder, adjust best hauling Highly.
The beneficial effects of the present invention are:
1) all a net operation all passes through mechanical mechanism and hydraulic control to the hanging hauling power blocks of this kind revolution boom System is realized, the variation of web area has been realized by pivoting support, has been adjusted net height and radius by oil-cylinder variable amplitude, has been passed through Hydraulic motor realizes the change of hauling speed, plays net operation whole process hydraulic control, not only accelerates hauling speed, but also subtract significantly The labor intensity of few human assistance and hauling operation, while improving production security and catching rate；
2) it is of great significance to the big water surface fishing machinery of General Promotion, automatization level.
3) smart structural design of power blocks: pass through on the outside of between a revolving drum or axial connecting pin of revolving drum Screw fixes a roll adjustment gasket, by replace different-thickness the roll adjustment gasket or adjustment the axially mounted position of roll adjustment gasket come The spacing between a pair of of revolving drum is adjusted, and then adjusts the width of the V-shaped part, power blocks can be reinforced to different size The adaptability of netting gear, while the smoothness for ensuring to lift by crane different netting gears；The design of movable boom and fixed boom is also more skilful It is wonderful, convenient for the disassembly and installation of part.
Detailed description of the invention
Fig. 1 is the schematic diagram of the present invention revolution hanging hauling power blocks of boom.
Fig. 2 is revolving platform structural schematic diagram；
Fig. 3 is the main view the schematic diagram of the section structure of power blocks；
Fig. 4 is hydraulic control system hydraulic schematic diagram；
Wherein: 1- pedestal, 2- pivoting support, 3- revolving platform, 4- rotary motor, 5- cantilever crane, the first oil cylinder of 6-, 7- lifting Bar, the second oil cylinder of 8-, 9- hanging ring connector, 10- power blocks, 11- annular boom, 11a- fixed boom, 11b- activity boom, 12- left backplate, 13- right backplate, 14- revolving drum, 15- rubber wear-resisting block, 16- main shaft, 17- roll adjustment gasket, the hydraulic horse of 18- It reaches, 19- gear drive, 20- lever, 21- fuel tank, 22- fine filter, 23- oil pump, 24- overflow valve, 25- proportional reversing valve Group, 26- surge integrated console, 27- hauling control crank, 28- cantilever crane control crank, 29- lifting boom control crank, and 30- is returned Turn control crank, 31- filter, 32- liquidometer.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
As schemed attached 1 to shown in attached drawing 4, the hanging hauling power blocks of a kind of revolution boom that the present embodiment proposes include use In the revolution boom for changing hauling position, the power blocks being set on the revolution cantilever crane and for controlling the revolution cantilever crane With the hydraulic control system of power blocks operation operation.
As shown in Fig. 1, the revolution boom includes that pedestal 1, the pedestal upper end are provided with pivoting support 2, and described time Turn bearing upper end and be provided with the revolving platform 3 (such as attached drawing 2) with counterweight, the revolving platform is equipped with rotary motor 4, the revolving platform 3 realize 360 ° of rotations by rotary motor 4 and the effect of pivoting support 2, make full use of fishing boat hauling working space, reduce manpower tune It is whole；The top that cantilever crane 5, the bottom end of the cantilever crane 5 and the revolving platform 3 are provided on the revolving platform is articulated and connected, the arm It is hingedly connected with the first oil cylinder 6 between the side of frame 5 and the side of revolving platform 3,5 top of cantilever crane is articulated and connected lifting boom 7, The second oil cylinder 8 is hingedly connected between the side of the cantilever crane 5 and the side of lifting boom 7,7 top of lifting boom passes through hanging ring Connector 9 is provided with power blocks 10, and the cantilever crane 5 carries out luffing by the first oil cylinder 6 and the second oil cylinder 8 with sunpender 7, realizes Net operation of the power blocks 10 in different height and radius；
As shown in Fig. 3, the power blocks 10 include two revolving drums 14 in left and right, annular array insertion revolving drum Multiple rubber wear-resisting blocks 15 on surface, are set to the revolving drum 14 at the main shaft 16 for being set to 14 inside of revolving drum The roll adjustment gasket 17 of axial connecting pin, the left backplate 12 for being set to 14 flared end of revolving drum and right backplate 13, setting In the hydraulic motor 18 in the right backplate 13, the gear drive that is set between the revolving drum 14 and right backplate 13 19, it is set to the lever 20 between 13 lower end of the left backplate 12 and right backplate, is set to the left backplate 12 and right backplate 13 The annular boom 11 of upper end；
With continued reference to Fig. 3, the annular boom 11 includes fixed boom 11a and movable boom 11b, the fixed boom The left end 11a connect with movable boom 11b right end by pin shaft, and top passes through hanging ring connector 9 and connect with lifting boom 7, lower end and Right backplate 13 is fixedly connected with bolt, and the activity lower end boom 11b is bolted with right backplate 13, the annular boom 11 design and connection type are conducive to the dismounting and maintenance of power blocks；
Referring to Fig. 1, described 3 one end of revolving platform has ballast box, is used for balancing lifting end weight, system is made to run smoothly (such as Fig. 2)；
Referring to Fig. 3, the roll adjustment gasket 17 can adjust revolving drum minimum separation according to netting gear hauling pencil scale, protect It is maximum to demonstrate,prove frictional force between netting gear and power blocks；
Referring to Fig. 1, the power blocks 10 are connect with lifting boom 7 by hanging connector 9, and link position is in power blocks The uneven vibration generated is reduced in the surface of 10 position of centre of gravitys；
As shown in figure 4, oil pump 23 is opened first when starting hauling machine operation, oil liquid passes through fine filter 22 from fuel tank 21 Filtering, input oil pump 23 generate high pressure oil, and high pressure oil inputs proportional reversing valve group 25 through flowline and overflow valve 24, by surging Control crank on centralized remote control platform 26 manipulates power blocks, carries out the control of each movement, is adjusted by hauling control crank 27 Whole power blocks hauling work, by turning round the best hauling place of 30 motivation of adjustment coaster of control crank, cantilever crane control crank 28 It is mainly responsible for the first oil cylinder and the flexible luffing of the second oil cylinder with lifting boom control crank 29, adjustment most preferably plays net height.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis It changes or improves, under the premise of not departing from the present invention total design, these transformation or improve all should belong to that the present invention claims guarantors Within the scope of shield.

Claims (8)

1. a kind of hanging hauling power blocks of revolution boom, it is characterised in that:
Including rotary motor (4), revolving platform (3), cantilever crane (5), lifting boom (7), the first oil cylinder (6), the second oil cylinder (8), hanging ring Connector (9), power blocks (10)；
The rotary motor (4) drives revolving platform (3) rotation, and revolving platform (3) and cantilever crane (5) lower end are rotatablely connected, on cantilever crane (5) End is rotatablely connected with connecting rod (7) one end, and connecting rod (7) other end is hung with power blocks (10) by hanging ring connector (9) and connect；
First oil cylinder (6) lower end and revolving platform (3) are rotatablely connected, and upper end and cantilever crane (5) are rotatablely connected；Second oil cylinder (8) lower end and cantilever crane (5) are rotatablely connected, and upper end and lifting boom (7) are rotatablely connected；
The power blocks (10) include a main shaft (16), and a pair of of revolving drum (14) are arranged on main shaft (16) and form one for receiving The V-shaped part of net hauling, wherein fixing one by screw on the outside of between a revolving drum (14) or the axial connecting pin of revolving drum Roll adjustment gasket (17), by the roll adjustment gasket (17) or adjustment roll adjustment gasket (17) installation site of replacing different-thickness Come the spacing for adjusting the spacing between a pair of of revolving drum (14) to adjust between a pair of of revolving drum (14), and then described in adjusting The width of V-shaped part；The revolving drum (14) is driven by hydraulic motor (18).
2. the revolution hanging hauling power blocks of boom as described in claim 1, it is characterised in that: the power blocks (10) are also Left backplate (12) and right backplate (13) including being set to revolving drum (14) flared end, the hydraulic motor (18) are set to In left backplate (12) or right backplate (13)；Gear drive (19) are equipped between the left backplate (12) and right backplate (13), Lever (20) are equipped between left backplate (12) and right backplate (13) lower end, are equipped between left backplate (12) and right backplate (13) upper end Annular boom (11), annular boom (11) upper end are connect with hanging ring connector (9).
3. the revolution hanging hauling power blocks of boom as described in claim 1, it is characterised in that: the annular boom (11) point For fixed boom (11a) and movable both ends boom (11b), the fixed boom (11a) and movable boom (11b) are connected by pin shaft It connects, the fixed boom lower end (11a) is bolted with right backplate (13)；Movable boom (11b) is divided into two sections of rotation connection, The lower end of its lower section is flexibly connected with left backplate (12) by pin shaft.
4. the revolution hanging hauling power blocks of boom as described in claim 1, it is characterised in that: revolving platform (3) lower part It is connect by floating bearing (2) with pedestal (1), described revolving platform (3) one end has ballast box, is used for balancing lifting weight.
5. the revolution hanging hauling power blocks of boom as described in claim 1, it is characterised in that: roll adjustment gasket (17) root Revolving drum minimum separation is adjusted according to netting gear hauling pencil scale, is guaranteed between netting gear and the revolving drum (14) of power blocks Frictional force is maximum；It is spaced in the blade-rotating of the inside of a pair of of revolving drum (14) and rubber wear-resisting block (15) is arranged in a staggered manner.
6. as described in claim 1 revolution the hanging hauling power blocks of boom, it is characterised in that: the power blocks (10) with Lifting boom (7) is by hanging connector (9) connection, and link position is in the surface of power blocks (10) position of centre of gravity.
7. the revolution hanging hauling power blocks of boom as described in claim 1, it is characterised in that: described revolution boom hanging Net power blocks are applied to rising for netting gear in big water surface fresh water fishing operation process and receive.
8. a kind of control method of the revolution hanging hauling power blocks of boom described in claim 1, it is characterised in that:
Oil pump (23) is opened, and oil liquid is filtered from fuel tank (21) by fine filter (22), and input oil pump (23) generates high pressure oil, high pressure Oil is through flowline and overflow valve (24) input proportional reversing valve group (25)；
By surging, the control crank on centralized remote control platform (26) manipulates power blocks, carries out the control of each movement；
It is worked by hauling control crank (27) motivation of adjustment coaster hauling；
By turning round the best hauling place of control crank (30) motivation of adjustment coaster；
The first oil cylinder and the flexible luffing of the second oil cylinder are controlled by cantilever crane control crank (28) and lifting boom control crank (29), is adjusted It is whole most preferably to play net height.
CN201910903257.0A 2019-09-24 2019-09-24 Rotary boom hanging type net lifting power pulley Active CN110526134B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201910903257.0A CN110526134B (en) 2019-09-24 2019-09-24 Rotary boom hanging type net lifting power pulley

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CN110526134B CN110526134B (en) 2024-02-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727111A (en) * 2020-12-25 2021-04-30 重庆城市职业学院 Scenic spot modular building construction equipment and use method

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CN203575405U (en) * 2013-09-29 2014-05-07 宁波捷胜海洋开发有限公司 Floating ball traction machine
CN104925229A (en) * 2015-06-30 2015-09-23 石狮市东奇船舶机械有限公司 Purse seining power tackle with rotating arm being hung laterally
KR101942409B1 (en) * 2018-10-25 2019-04-17 주식회사 신진스테이지 Driving equipment for the stage facility that can be installed in various forms and stage facility including the same
CN208925015U (en) * 2018-09-12 2019-06-04 石狮市东奇船舶机械有限公司 A kind of suspension type hauling power blocks

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Publication number Priority date Publication date Assignee Title
CN2031997U (en) * 1987-04-14 1989-02-08 中国水产科学研究院渔业机械仪器研究所 Arch-type net folding machine
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CN203575405U (en) * 2013-09-29 2014-05-07 宁波捷胜海洋开发有限公司 Floating ball traction machine
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