CN208501769U - A kind of drag head ground pressure increase device - Google Patents

A kind of drag head ground pressure increase device Download PDF

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Publication number
CN208501769U
CN208501769U CN201820641732.2U CN201820641732U CN208501769U CN 208501769 U CN208501769 U CN 208501769U CN 201820641732 U CN201820641732 U CN 201820641732U CN 208501769 U CN208501769 U CN 208501769U
Authority
CN
China
Prior art keywords
drag head
main body
head main
over panel
resistance change
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201820641732.2U
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Chinese (zh)
Inventor
陈方红
杜巧玲
李亚辉
张雷
黄高峰
黄睿
周兵
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.)
Guangzhou Wenchong Shipyard Co Ltd
Original Assignee
Guangzhou Wenchong Shipyard Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Wenchong Shipyard Co Ltd filed Critical Guangzhou Wenchong Shipyard Co Ltd
Priority to CN201820641732.2U priority Critical patent/CN208501769U/en
Application granted granted Critical
Publication of CN208501769U publication Critical patent/CN208501769U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of drag head ground pressures to increase device, the drag head main body of rake pipe end is managed and is arranged in including the rake hinged with dredger, resistance change-over panel is hinged in drag head main body, resistance change-over panel inclination and epipleural facing towards drag head main body direction of advance, it is additionally provided with telescopic driving device, the both ends of driving device are separately connected drag head main body and resistance change-over panel, when drag head main body is advanced under water, water impact resistance change-over panel, water flow is converted to downward pressure to a part of resistance of drag head main body, drag head main body is increased to the pressure of sea bottom surface, also it can change the angle of the top surface of resistance change-over panel and drag head main body by the flexible of driving device to change the upside plate face of resistance change-over panel and the angle of directional velocity, adjust the degree of conversion of resistance, and then accurately control the size of increased pressure.The invention is used for technical field of ships.

Description

A kind of drag head ground pressure increase device
Technical field
The present invention relates to technical field of ships, increase device more particularly to a kind of drag head ground pressure.
Background technique
Currently, the construction of dredger drag head relies primarily on drag head own wt, decompression adjustment is carried out by heave compensator.When When encountering Subgrade soil and needing to increase drag head ground pressure, it is merely able to by increasing drag head weight, but the increase of drag head weight It will affect the reinforcement of winch and Hull Strength, feasibility be not present.
Summary of the invention
The purpose of the present invention is to provide a kind of pressurizations, and drag head ground pressure convenient, simple for structure increases device.
The technical solution used in the present invention is:
A kind of drag head ground pressure increase device, manages including the rake hinged with dredger and is arranged in the drag head of rake pipe end Main body is hinged with resistance change-over panel, top surface inclination of the resistance change-over panel relative to drag head main body, resistance conversion in drag head main body The epipleural of plate is additionally provided with telescopic driving facing towards the direction of advance of drag head main body between drag head main body and resistance change-over panel Device, the both ends of driving device are separately connected drag head main body and resistance change-over panel.
It is further used as the improvement of technical solution of the present invention, and pressure sensor, pressure sensor are additionally provided in driving device It is connect by wired or wireless signal with detection system.
It is further used as the improvement of technical solution of the present invention, and one end of resistance change-over panel and the articulated position of drag head main body are The top edge of drag head main body.
It is further used as the improvement of technical solution of the present invention, and driving device is hydraulic cylinder, and driving device is arranged in drag head The top surface of main body, the output end of hydraulic cylinder withstand the inside plate face of resistance change-over panel.
It is further used as the improvement of technical solution of the present invention, and one end of hydraulic cylinder and drag head main body are hinged.
It is further used as the improvement of technical solution of the present invention, and the medial surface of resistance change-over panel is equipped with several and hydraulic cylinder The fixing slot that output end matches.
Beneficial effects of the present invention: this drag head ground pressure increases device, due to the inclination of resistance change-over panel and upside plate face Toward the direction of advance of drag head main body, therefore when drag head main body is advanced under water, the upside of water impact resistance change-over panel A part of resistance of the water flow to drag head main body can be converted to downward pressure, to increase drag head main body to seabed by plate face The pressure in face, in addition can also by driving device it is flexible come change the angle of the top surface of resistance change-over panel and drag head main body to Change the upside plate face of resistance change-over panel and the angle of directional velocity, adjusts the degree of conversion of resistance, and then accurately control increase Pressure size.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1, the present invention is that a kind of drag head ground pressure increases device, including the rake pipe 4 hinged with dredger and is set The drag head main body 1 in rake 4 end of pipe is set, is hinged with resistance change-over panel 2 in drag head main body 1, resistance change-over panel 2 is relative to drag head The top surface inclination of main body 1, the direction of advance of the epipleural of resistance change-over panel 2 facing towards drag head main body 1, drag head main body 1 and resistance Telescopic driving device 3 is additionally provided between change-over panel 2, the both ends of driving device 3 are separately connected drag head main body 1 and resistance conversion Plate 2.
This drag head ground pressure increases device, and due to the inclination of resistance change-over panel 2 and epipleural is facing towards in drag head main body 1 Direction of advance, therefore when drag head main body 1 is advanced under water, the upside plate face of water impact resistance change-over panel 2 can be by water flow pair A part of resistance of drag head main body 1 is converted to downward pressure, to increase drag head main body 1 to the pressure of sea bottom surface, in addition It can also be turned by the flexible of driving device 3 to change the angle of the top surface of resistance change-over panel 2 and drag head main body 1 to change resistance The upside plate face of plate 2 and the angle of directional velocity are changed, the degree of conversion of resistance is adjusted, and then accurately controls the big of increased pressure It is small.
Water resistance is converted into vertical direction ground pressure value and relatively transverse speed, resistance change-over panel by resistance change-over panel 2 Angle, resistance conversion plate suqare are related, specifically, resistance change-over panel effect pressure P=K*V*S*tg (a) over the ground, wherein K is stream Body resistance conversion coefficient, V are the relative moving speed of drag head main body 1, and S is the area of resistance change-over panel 2, and a is resistance change-over panel 2 With the angle of the top surface of drag head main body 1.
It is further used as the improvement of technical solution of the present invention, and pressure sensor, pressure sensor are additionally provided in driving device 3 It is connect by wired or wireless signal with detection system, by this pressure sensor, staff be can get suffered by driving device 3 Pressure, so that the pressure of drag head main body 1 over the ground is calculated, to achieve the purpose that be precisely controlled 1 ground pressure of drag head main body.
It is further used as the improvement of technical solution of the present invention, one end of resistance change-over panel 2 and the articulated position of drag head main body 1 For the top edge of drag head main body 1, by resistance change-over panel 2 hingedly in this position, so that resistance change-over panel 2 and drag head main body 1 There is biggish space between angle, facilitate the installation and operation of driving device 3.
It is further used as the improvement of technical solution of the present invention, and driving device 3 is hydraulic cylinder, and the setting of driving device 3 is being harrowed The top surface of head main body 1, the output end of hydraulic cylinder withstand the inside plate face of resistance change-over panel 2, hydraulic cylinder have it is at low cost, it is defeated It contributes big advantage, and operation effectiveness is excellent in deep water, long service life.
It is further used as the improvement of technical solution of the present invention, and one end of hydraulic cylinder and drag head main body 1 are hinged, by hinged Mode make the adjustable angle between hydraulic cylinder and drag head main body 1, staff can be hydraulic by adjusting this angulation change The slewing rate of resistance change-over panel 2 when the stretching of oil cylinder.
It is further used as the improvement of technical solution of the present invention, and the medial surface of resistance change-over panel 2 is equipped with several and hydraulic cylinder The fixing slot that matches of output end so that the output end output of hydraulic cylinder is more stable.
The present invention changes horizontal direction water resistance dress into vertical direction ground pressure by adjusting resistance change-over panel 2, increases The ground pressure of drag head main body 1, system can calculate resistance change-over panel 2 by the signal of pressure sensor and be added to drag head pair Ground pressure is used for dredging system.By providing drag head main body 1 additional pressure, the breaking ground over the ground of drag head main body 1 can be increased Ability improves the working efficiency of drag head main body 1, is improved particularly the working efficiency of 1 pair of drag head main body extraordinary shale, and can reduce fortune Seek cost.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right It is required that in limited range.

Claims (6)

1. a kind of drag head ground pressure increases device, it is characterised in that: including the rake pipe (4) hinged with dredger and be arranged in institute The drag head main body (1) of rake pipe (4) end is stated, is hinged with resistance change-over panel (2) on the drag head main body (1), the resistance turns Change top surface inclination of the plate (2) relative to the drag head main body (1), the epipleural of the resistance change-over panel (2) is facing towards the rake The direction of advance of head main body (1), is additionally provided with telescopic driving device between the drag head main body (1) and resistance change-over panel (2) (3), the both ends of the driving device (3) are separately connected the drag head main body (1) and resistance change-over panel (2).
2. drag head ground pressure according to claim 1 increases device, it is characterised in that: on the driving device (3) also Equipped with pressure sensor, the pressure sensor is connect by wired or wireless signal with detection system.
3. drag head ground pressure according to claim 2 increases device, it is characterised in that: the resistance change-over panel (2) The articulated position of one end and the drag head main body (1) is the top edge of drag head main body (1).
4. drag head ground pressure according to claim 3 increases device, it is characterised in that: the driving device (3) is liquid Compressing cylinder, the driving device (3) are arranged in the top surface of the drag head main body (1), and the output end of the hydraulic cylinder withstands institute State the inside plate face of resistance change-over panel (2).
5. drag head ground pressure according to claim 4 increases device, it is characterised in that: one end of the hydraulic cylinder with The drag head main body (1) is hinged.
6. drag head ground pressure according to claim 5 increases device, it is characterised in that: the resistance change-over panel (2) Medial surface is equipped with the fixing slot that several output ends with the hydraulic cylinder match.
CN201820641732.2U 2018-04-28 2018-04-28 A kind of drag head ground pressure increase device Withdrawn - After Issue CN208501769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820641732.2U CN208501769U (en) 2018-04-28 2018-04-28 A kind of drag head ground pressure increase device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820641732.2U CN208501769U (en) 2018-04-28 2018-04-28 A kind of drag head ground pressure increase device

Publications (1)

Publication Number Publication Date
CN208501769U true CN208501769U (en) 2019-02-15

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Application Number Title Priority Date Filing Date
CN201820641732.2U Withdrawn - After Issue CN208501769U (en) 2018-04-28 2018-04-28 A kind of drag head ground pressure increase device

Country Status (1)

Country Link
CN (1) CN208501769U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108517913A (en) * 2018-04-28 2018-09-11 广州文冲船厂有限责任公司 A kind of drag head ground pressure increase device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108517913A (en) * 2018-04-28 2018-09-11 广州文冲船厂有限责任公司 A kind of drag head ground pressure increase device
CN108517913B (en) * 2018-04-28 2024-01-02 广州文冲船厂有限责任公司 Drag head ground pressure increasing device

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Granted publication date: 20190215

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