阅读说明：本技术 一种船舶停靠用随船浮动控制系统 (Ship-mounted floating control system for ship berthing ) 是由 葛明华 于 2021-10-25 设计创作，主要内容包括：本发明涉及浮动控制技术领域,具体涉及一种船舶停靠用随船浮动控制系统,包括油箱、液压泵、换向阀、平衡阀一和平衡阀二、电磁比例卸压阀一、电磁比例卸压阀二和油缸；其中,液压泵的输入端与油箱相连通,输出端与换向阀相连通,换向阀通过切换通道分别与平衡阀一和平衡阀二相连通,平衡阀一和平衡阀二分别与油缸的有杆腔和油缸的无杆腔相连通；油箱上还包括安装相连通的电磁比例卸压阀一和电磁比例卸压阀二,电磁比例卸压阀一和电磁比例卸压阀二分别与油缸的有杆腔和油缸的无杆腔相连通；解决了当外界位置条件微变化时,执行机构无法实时反馈外界条件,容易将刚性机构零件产生弹性变形甚至刚性变形,缺乏浮动控制保护措施的问题。(The invention relates to the technical field of floating control, in particular to a ship-mounted floating control system for ship berthing, which comprises an oil tank, a hydraulic pump, a reversing valve, a first balance valve, a second balance valve, a first electromagnetic proportional pressure relief valve, a second electromagnetic proportional pressure relief valve and an oil cylinder, wherein the oil tank is connected with the hydraulic pump; the input end of the hydraulic pump is communicated with the oil tank, the output end of the hydraulic pump is communicated with the reversing valve, the reversing valve is respectively communicated with the first balance valve and the second balance valve through the switching channel, and the first balance valve and the second balance valve are respectively communicated with the rod cavity of the oil cylinder and the rodless cavity of the oil cylinder; the oil tank also comprises a first electromagnetic proportional pressure relief valve and a second electromagnetic proportional pressure relief valve which are communicated with each other, and the first electromagnetic proportional pressure relief valve and the second electromagnetic proportional pressure relief valve are respectively communicated with the rod cavity of the oil cylinder and the rodless cavity of the oil cylinder; the problem of when external position condition slightly changes, actuating mechanism can't feed back external condition in real time, produces elastic deformation or even rigid deformation with rigid mechanism part easily, lacks the control safeguard measure that floats is solved.)

1. A ship-mounted floating control system for ship berthing is characterized in that: the hydraulic control system comprises an oil tank (1), a hydraulic pump (2), a reversing valve (3), a balance valve I (4), a balance valve II (5), an electromagnetic proportional pressure relief valve I (6), an electromagnetic proportional pressure relief valve II (7) and an oil cylinder (8);

the input end of the hydraulic pump (2) is communicated with the oil tank (1), the output end of the hydraulic pump is communicated with the reversing valve (3), the reversing valve (3) is respectively communicated with the balance valve I (4) and the balance valve II (5) through a switching channel, and the balance valve I (4) and the balance valve II (5) are respectively communicated with a rod cavity of the oil cylinder (8) and a rodless cavity of the oil cylinder (8);

the oil tank (1) is further provided with a first electromagnetic proportion pressure relief valve (6) and a second electromagnetic proportion pressure relief valve (7) which are communicated with each other in an installing mode, wherein the first electromagnetic proportion pressure relief valve (6) and the second electromagnetic proportion pressure relief valve (7) are respectively communicated with a rod cavity of the oil cylinder (8) and a rodless cavity of the oil cylinder (8).

2. The ship-mounted floating control system for ship docking according to claim 1, wherein the hydraulic pump (2) controls the channel switching between the first balance valve (4) and the second balance valve (5) through the ring valve during oil supply, so that the oil cylinder (8) performs left or right motion.

3. The ship-mounted ship floating control system for ship docking according to claim 1, characterized in that when the switching channel of the reversing valve (3) is in the neutral state, the oil cylinder (8) is in the stable state through the load action of the first balance valve (4) and the second balance valve (5).

4. The ship-mounted floating control system for ship berthing according to claim 1, characterized in that when the ship generates horizontal swinging floating displacement, the displacement data is fed back to the PLC through the control terminal, and the PLC feeds back calculated real-time current to the first electromagnetic proportional pressure relief valve (6) and the second electromagnetic proportional pressure relief valve (7), so as to meet the requirement of ship swinging floating change.

Technical Field

The invention relates to the technical field of floating control, in particular to a ship-mounted floating control system for ship berthing.

Background

At present, ships on the existing market are in environments with large changes of up-and-down floating and drifting on the water surface, when external position conditions slightly change, an execution mechanism cannot feed back the external conditions in real time, parts of a rigid mechanism are easily subjected to elastic deformation or even rigid deformation, and floating control protection measures are lacked. Therefore, it is desirable to develop a floating control system for berthing a ship to solve the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a ship-associated floating control system for ship berthing, which solves the problems that when the external position condition is slightly changed, an actuating mechanism cannot feed back the external condition in real time, the rigid mechanism part is easy to generate elastic deformation or even rigid deformation, and a floating control protection measure is lacked.

The invention is realized by the following technical scheme:

a ship-mounted floating control system for ship berthing comprises an oil tank, a hydraulic pump, a reversing valve, a first balance valve, a second balance valve, a first electromagnetic proportional pressure relief valve, a second electromagnetic proportional pressure relief valve and an oil cylinder;

the input end of the hydraulic pump is communicated with the oil tank, the output end of the hydraulic pump is communicated with the reversing valve, the reversing valve is respectively communicated with the first balance valve and the second balance valve through a switching channel, and the first balance valve and the second balance valve are respectively communicated with a rod cavity of the oil cylinder and a rodless cavity of the oil cylinder;

the oil tank is further provided with a first electromagnetic proportional pressure relief valve and a second electromagnetic proportional pressure relief valve which are communicated with each other in an installing mode, and the first electromagnetic proportional pressure relief valve and the second electromagnetic proportional pressure relief valve are communicated with a rod cavity of the oil cylinder and a rodless cavity of the oil cylinder respectively.

Preferably, during oil supply of the hydraulic pump, the annular valve controls channel switching between the first balance valve and the second balance valve, so that the oil cylinder moves leftwards or rightwards.

Preferably, when the switching channel of the reversing valve is in a neutral state, the oil cylinder is in a stable state under the load action of the first balance valve and the second balance valve.

Preferably, when boats and ships produced the horizontal hunting displacement that floats, can feed back this displacement data to PLC through control terminal, PLC feeds back the real-time current that calculates to electromagnetism proportion relief valve one with electromagnetism proportion relief valve two, is convenient for satisfy the change of boats and ships swing.

The invention has the beneficial effects that:

under the design and the use of the structure, when a piston rod of the oil cylinder is supported in a feedback manner, the load can be balanced by the support of the balance valve I and the balance valve II, but when the support position condition changes, the displacement data of the swing and the floating of the ship needs to be fed back to the PLC through the control terminal, the real-time current is fed back to the electromagnetic proportional pressure relief valve I and the electromagnetic proportional pressure relief valve II through the calculation of the PLC, the electromagnetic proportional pressure relief valve I and the electromagnetic proportional pressure relief valve II open suitable openings to meet the change requirement of the swing and the floating, and the protection measures are controlled in a floating manner;

the invention has novel structure, reasonable design and strong practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention.

In the figure: 1-oil tank, 2-hydraulic pump, 3-reversing valve, 4-balance valve I, 5-balance valve II, 6-electromagnetic proportional pressure relief valve I, 7-electromagnetic proportional pressure relief valve II and 8-oil cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the embodiment specifically discloses and provides a technical scheme of a ship-mounted floating control system for ship berthing, which includes an oil tank 1, a hydraulic pump 2, a reversing valve 3, a first balance valve 4, a second balance valve 5, a first electromagnetic proportional pressure relief valve 6, a second electromagnetic proportional pressure relief valve 7 and an oil cylinder 8;

the input end of the hydraulic pump 2 is communicated with the oil tank 1, the output end of the hydraulic pump is communicated with the reversing valve 3, the reversing valve 3 is respectively communicated with the first balance valve 4 and the second balance valve 5 through a switching channel, and the first balance valve 4 and the second balance valve 5 are respectively communicated with a rod cavity of the oil cylinder 8 and a rodless cavity of the oil cylinder 8;

the oil tank 1 further comprises a first electromagnetic proportional pressure relief valve 6 and a second electromagnetic proportional pressure relief valve 7 which are communicated with each other in an installing mode, and the first electromagnetic proportional pressure relief valve 6 and the second electromagnetic proportional pressure relief valve 7 are communicated with a rod cavity of the oil cylinder 8 and a rodless cavity of the oil cylinder 8 respectively.

Specifically, during oil supply of the hydraulic pump 2, the annular valve controls the channel switching between the first balance valve 4 and the second balance valve 5, so that the oil cylinder 8 moves leftwards or rightwards.

Specifically, when the switching channel of the reversing valve 3 is in a neutral state, the oil cylinder 8 is in a stable state under the load action of the balance valve I4 and the balance valve II 5.

Specifically, when boats and ships produced the horizontal hunting displacement that floats, can feed back this displacement data to PLC through control terminal, PLC feeds back the real-time current that calculates to electromagnetism proportion relief valve 6 and electromagnetism proportion relief valve two 7, is convenient for satisfy the change of boats and ships swing and float.

The working principle is as follows: the invention provides a load back pressure function for the system of the oil cylinder 8 in the lifting, descending and suspending processes, and the oil cylinder can freely float along with the change of the load after stopping; the first balance valve 4 or the second balance valve 5 can be opened circularly in the oil supply process of the hydraulic pump 2, and the oil cylinder 8 can be ensured to move left and right. When the reversing valve 3 is in a neutral state, the oil cylinder 8 can be ensured to be in a stable state under the action of load due to the action of the balance valve I4 and the balance valve II 5. When a piston rod of the oil cylinder 8 is supported in a feedback mode, load can be balanced through the supporting of the first balance valve 4 and the second balance valve 5, when the supporting position condition changes, displacement data of swing and floating of a ship needs to be fed back to the PLC through the control terminal, real-time current is fed back to the first electromagnetic proportional pressure relief valve 6 and the second electromagnetic proportional pressure relief valve 7 through PLC calculation, the first electromagnetic proportional pressure relief valve 6 and the second electromagnetic proportional pressure relief valve 7 open suitable openings, the swing and floating change requirements are met, and floating control protection measures are taken.

The control mode of the electrical component is controlled by a PLC of a control terminal matched with the electrical component, and the control circuit can be realized by simple programming of a person skilled in the art, which belongs to the common general knowledge in the field, only the electrical component is used without improvement, and the invention is mainly used for protecting a mechanical device, so the control mode and the circuit connection are not described in detail again.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.