CN220098377U

CN220098377U - Boom oil circuit control structure and marine boom device

Info

Publication number: CN220098377U
Application number: CN202321116447.6U
Authority: CN
Inventors: 洪伟萍; 王礼伟
Original assignee: Zhejiang Wantong Heavy Industry Co ltd
Current assignee: Zhejiang Wantong Heavy Industry Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-11-28
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a boom oil way control structure, which comprises a hydraulic double-speed motor and a main oil way for supplying oil to flow through, wherein the main oil way is provided with a control oil way, the control oil way comprises two oil inlet branches, the hydraulic double-speed motor is provided with two oil inlets, the two oil inlets respectively correspond to high-speed and low-speed states, the two oil inlets are respectively communicated with one oil inlet branch, the control oil way is provided with a hydraulic reversing valve, and the hydraulic reversing valve respectively communicates the two oil inlet branches with the main oil way in two regulating states. When the hydraulic reversing valve is regulated, two different oil inlet branches are communicated with the main oil way, and the oil inlet branches supply oil to corresponding oil inlets, when oil is fed at the oil inlets corresponding to the low-speed state, the hydraulic double-speed motor operates at the low-speed state, otherwise, the hydraulic double-speed motor operates at the high-speed state, so that the low-speed stability during lifting of cargoes can be realized, and the high-speed time saving during lowering of a mooring rope can be realized.

Description

Boom oil circuit control structure and marine boom device

Technical Field

The utility model relates to the field of ship suspenders, in particular to a suspender oil circuit control structure and a ship suspender device.

Background

Fishing boats or cargo ships generally need to carry heavy goods to land, so a suspender device is usually arranged on the fishing boat or cargo ship, the goods are hoisted for transportation in a hoisting mode, a winch is generally matched for controlling a lifting rope, a hydraulic motor is generally arranged in the winch, and the hoisting speed of the winch is controlled by the hydraulic motor.

In order to make the hoist and mount more stable when carrying under the prior art, can set up hydraulic motor's speed to lower value generally, reduce rocking of goods, but when the jib does not hang the goods, efficiency is lower when the winch unreels, and the time of hawser unreels is longer, has reduced handling efficiency.

Disclosure of Invention

The utility model provides a boom oil circuit control structure, which aims to solve the problems that in the prior art, the speed of a hydraulic motor is usually set to be a low value, when goods are not hoisted, the efficiency of a winch is low when the winch unwinds, and the carrying efficiency is reduced.

The utility model provides a jib oil circuit control structure, includes hydraulic double-speed motor, the main oil circuit that the fuel feeding liquid was led, be equipped with the control oil circuit on the main oil circuit, the control oil circuit includes two oil feed branches, be equipped with two oil inlets on the hydraulic double-speed motor, two the oil inlet corresponds high-speed and low-speed state respectively, two the oil inlet respectively with an oil feed branch intercommunication, be equipped with the hydraulic reversing valve on the control oil circuit, the hydraulic reversing valve communicates two oil feed branches and main oil circuit respectively under two regulation states.

By adopting the technical scheme, when the hydraulic reversing valve is used for adjusting, two different oil inlet branches are communicated with the main oil way, and the oil inlet branches are used for supplying oil to corresponding oil inlets, when oil is supplied to the oil inlets corresponding to the low-speed state, the hydraulic double-speed motor is operated in the low-speed state, otherwise, the hydraulic double-speed motor is operated in the high-speed state, when the suspender lifts up goods, the hydraulic double-speed motor is operated in the low-speed state, so that the carrying is more stable, when the suspender lifts up goods, the hydraulic double-speed motor is operated in the high-speed state, the unreeling speed is accelerated, so that cables for lifting and the like can be conveyed to a feeding area more quickly, and the carrying efficiency is improved.

Optionally, the hydraulic double-speed hydraulic lifting device further comprises two output oil ways, wherein the two output oil ways respectively correspond to lifting and lowering actions of the lifting rod, and are communicated with the hydraulic double-speed motor.

Through adopting above-mentioned technical scheme, also divide into two with the output oil circuit, can control the lifting or the lowering of jib through hydraulic double-speed motor, further improve the convenience to jib control, improve conveying efficiency.

Optionally, a shuttle valve is arranged between the control oil path and the output oil path, the shuttle valve is used for associating the output oil path with the oil inlet branch, when the output oil path corresponding to the lowering action is conducted, the oil inlet corresponding to the high-speed state is used for taking oil, and when the output oil path corresponding to the lifting action is conducted, the oil inlet corresponding to the low-speed state is used for taking oil.

Through adopting above-mentioned technical scheme, when the output oil circuit that corresponds the action of lowering is switched on, the oil inlet that corresponds the high-speed state advances oil, hydraulic double-speed motor is with the work of high-speed state, unreeling's efficiency when no goods hoist and mount can be improved, when the output oil circuit that corresponds the lifting action is switched on, the oil inlet that corresponds the low-speed state advances oil, hydraulic double-speed motor is with the work of low-speed state, can reduce the speed in order to improve the stability when having goods hoist and mount, the action of jib and hydraulic double-speed motor's speed state are correlated with, can realize automatic adjustment, reduce workman manual regulation, improve the convenience.

Optionally, a balance valve for adjusting the pressure of the main oil way is arranged on the main oil way.

By adopting the technical scheme, in the running process of continuously switching the paths of the oil way, larger pressure difference or flow difference can occur, so that the pressure on two sides of the balance valve can be regulated by the balance valve, the pressure in the oil way is relatively stable, and the working stability is improved.

Optionally, a safety valve is further arranged on the main oil circuit, and the safety valve is used for releasing pressure when the pressure is too high.

By adopting the technical scheme, the condition that the pressure in the oil way is increased to exceed the specified value possibly occurs in the running process of continuously switching the paths of the oil way, so that the pressure is discharged to the outside through the safety valve, and the condition that the pressure in the oil way is too high to cause damage can be reduced.

The utility model provides a marine boom device, which aims to solve the problem that the speed of a hydraulic motor is set to be low in the prior art, so that unreeling is slow when no cargo exists on the boom, and the carrying efficiency is reduced.

The marine boom device comprises a support, wherein a winch and a rocker arm are arranged on the support, a cable is arranged on the rocker arm and connected with the winch, the marine boom device comprises the boom oil circuit control structure, and the boom oil circuit control structure is arranged in the winch and used for controlling the winch.

Through adopting above-mentioned technical scheme, the hawser can be used to hoist and mount goods, when hoist and mount have the goods on the hawser and carry out the lifting, hydraulic drive switching-over valve will lead to the oil feed branch road and the main oil circuit of low-speed state and switch on to make the goods lift up with slower speed, improve stability, the hawser needs to put down again after the discharge, hydraulic drive switching-over valve will lead to the oil feed branch road and the main oil circuit of high-speed state and switch on, thereby make the hawser can be with faster speed to put down, improve conveying efficiency.

Optionally, the lifting device further comprises a supporting rod, the rocker arm is hinged with the supporting rod, a lifting assembly is arranged on the supporting rod and connected with the winch, and the lifting assembly is used for pulling the rocker arm to rotate in the vertical direction.

By adopting the technical scheme, the winch can control the rotation of the rocker arm besides controlling the hoisting of cargoes, and the mooring rope and the cargoes hoisted on the mooring rope can move along with the rocker arm when the rocker arm rotates, so that the transportable range is increased, and the transporting efficiency is improved.

Optionally, the bottom of rocking arm is equipped with articulated seat, articulated seat and branch are articulated, articulated seat rotates in the horizontal direction, on the rocking arm with articulated seat articulated, the rocking arm rotates in the vertical direction.

Through adopting above-mentioned technical scheme, the rocking arm can rotate in certain within range, further improves the scope that can carry for the rocking arm can adjust horizontal position in order to change the transport landing, has improved handling efficiency.

In summary, the utility model has at least the following advantages:

1. the utility model solves the problems that the speed of a hydraulic motor is usually set to be a lower value by a suspender in the prior art, the efficiency is lower when a winch unreels when goods are not hoisted, and the carrying efficiency is reduced. According to the utility model, the hydraulic direction regulating valve and the hydraulic double-speed motor are arranged on the control oil way, the hydraulic direction regulating valve has two regulating states, and the two regulating states correspond to the high-speed state and the low-speed state of the hydraulic double-speed motor respectively, so that the boom can stably lift in the low-speed state when hoisting cargoes, and can unwind cables in the high-speed state when lowering, thereby reducing waiting time and improving carrying efficiency.

2. According to the utility model, the descending working state is associated with the high-speed working state through the shuttle valve, and the lifting working state is associated with the low-speed working state, so that the working convenience is further improved, the times of adjusting the suspender by workers are reduced, and the carrying efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of a first embodiment, which is mainly used for displaying a high-speed operation state.

Fig. 2 is a schematic diagram of the first embodiment, mainly used for showing the low-speed operation state.

Fig. 3 is a semi-sectional view of the second embodiment, mainly for showing different positions of the rocker arm.

Reference numerals illustrate:

1. a hydraulic two-speed motor; 11. a high speed port; 12. a low speed port;

2. a main oil path; 21. an oil inlet branch; 211. a high-speed branch; 212. a low speed branch; 22. an output oil path; 221. lifting an oil path; 222. a discharging oil path; 23. a hydraulic reversing valve; 24. a shuttle valve; 25. a balancing valve; 26. a safety valve;

3. a support; 4. a support rod; 41. a lifting assembly; 5. a winch; 6. a rocker arm; 61. a cable; 7. and a hinging seat.

Detailed Description

The utility model will be further described in detail with reference to the accompanying drawings 1-3 by way of specific examples.

Example 1

The boom oil circuit control structure comprises a hydraulic double-speed motor 1 and a main oil circuit 2 for supplying oil to flow through, wherein a control oil circuit is arranged on the main oil circuit 2, and the control oil circuit comprises two oil inlet branches 21. The hydraulic double-speed motor 1 is provided with two oil inlets, each oil inlet comprises a high-speed port 11 and a low-speed port 12, the high-speed port 11 and the low-speed port 12 respectively correspond to the high-speed state and the low-speed state of the hydraulic double-speed motor 1, the high-speed port 11 and the low-speed port 12 are respectively communicated with one oil inlet branch 21, the oil inlet branch 21 communicated with the high-speed port 11 is a high-speed branch 211, the oil inlet branch 21 communicated with the low-speed port 12 is a low-speed branch 212, and a hydraulic reversing valve 23 is further arranged on a control oil path. In particular, the hydraulic reversing valve 23 has two adjustment states, in which the main oil passage 2 communicates with the high-speed branch 211 and is disconnected from the low-speed oil passage, which feeds oil into the high-speed port 11, and in which the main oil passage 2 communicates with the low-speed oil passage and is disconnected from the high-speed oil passage, which feeds oil into the low-speed port 12.

As shown in fig. 1 and 2, the hydraulic double-speed motor further comprises two output oil ways 22, the two output oil ways 22 are connected with the hydraulic double-speed motor 1, the output oil ways 22 respectively correspond to lifting and lowering actions of the boom, the output oil way 22 corresponding to the lifting action is a lifting oil way 221, and the output oil way 22 corresponding to the lowering action is a lowering oil way 222. A shuttle valve 24 is arranged between the control oil passage and the output oil passage 22, and the shuttle valve 24 is used for associating the output oil passage 22 with the oil inlet branch 21. In particular, when the oil passage 222 is turned on as shown in fig. 1, the oil flows along the arrow, and the oil is supplied to the high-speed port 11, and when the lifting oil passage 221 is turned on as shown in fig. 2, the oil flows along the arrow, and the oil is supplied to the low-speed port 12, so that the lowering motion is associated with the high-speed state, and the lifting motion is associated with the low-speed state.

As shown in fig. 1 and 2, the main oil passage 2 is provided with a balance valve 25 and a relief valve 26. In specific implementation, the balance valve 25 adjusts the pressures of the main oil ways 2 at two sides to a balance state, so that the stability of the oil way during operation is improved, and the safety valve 26 is used for releasing a certain pressure towards the outside when the pressure is too high, so that the condition that the main oil way 2 is damaged due to too high pressure is reduced.

Working principle: in the lowering operation state, the oil passage is shown in fig. 1, the lowering oil passage 222 is communicated, the hydraulic reversing valve 23 communicates the main oil passage 2 with the high-speed branch 211, the oil flows into the high-speed branch 211 along the arrow, the high-speed branch 211 feeds the oil into the high-speed port 11, the hydraulic two-speed motor 1 performs the lowering operation in the high-speed state, in the lifting operation state, the oil passage is shown in fig. 2, the lifting oil passage 221 is communicated, the hydraulic reversing valve 23 communicates the main oil passage 2 with the low-speed branch 212, the oil flows into the low-speed branch 212 along the arrow and feeds the oil into the low-speed port 12, and the hydraulic two-speed motor 1 performs the lifting operation in the low-speed state.

Example two

A marine boom device is shown in fig. 3, and comprises a support 3, wherein a supporting rod 4 is arranged on the support 3, a group of winches 5 and rocker arms 6 are arranged on two sides of the supporting rod 4, a boom oil way control structure in the first embodiment is arranged in each winch 5, the supporting rod 4, each winch 5 and each rocker arm 6 are fixedly connected with the support 3, a cable 61 is arranged on each rocker arm 6, and each cable 61 is connected with each winch 5. In specific implementation, the boom oil path control structure controls the working state of the winch 5, the end of the cable 61 is provided with a hook for hoisting goods, and the winch 5 carries the goods by unreeling.

As shown in fig. 3, the bottom end of the rocker arm 6 is provided with a hinge seat 7, the rocker arm 6 is hinged with the hinge seat 7, and the rocker arm 6 rotates in the vertical direction at a hinge point. The hinge seat 7 is hinged with the support rod 4, and the hinge seat 7 rotates around the support rod 4 in the horizontal direction. The supporting rod 4 is also provided with a pulling component. In specific implementation, the movement of the hinging part can be controlled by the winch 5, the lifting assembly can adopt a pulley and a cable 61, the pulley is hinged with the supporting rod 4, the cable 61 passes through the pulley and is provided with the pulley at the end part, and the pulley at the end part of the cable 61 is hung with the rocker arm 6, so that the lifting assembly can pull the rocker arm 6 to rotate in the vertical direction.

Working principle: after the goods are hoisted on the cable 61, the cable 61 can be pulled by the winch 5 to lift the goods, the goods can be put down after the goods are conveyed to the appointed position by adjusting the hinged seat 7 and the rocker arm 6, when another goods are carried out at the moment, the cable 61 is put down again, the goods can be carried by circulating the operations, and the situation that the rocker arm 6 moves is shown by a dotted line in fig. 3.

The above is a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a jib oil circuit control structure which characterized in that: the hydraulic double-speed motor comprises a hydraulic double-speed motor (1) and a main oil way (2) through which oil supply flows, wherein a control oil way is arranged on the main oil way (2), the control oil way comprises two oil inlet branches (21), two oil inlets are arranged on the hydraulic double-speed motor (1) and correspond to high-speed and low-speed states respectively, the two oil inlets are communicated with one oil inlet branch (21) respectively, a hydraulic reversing valve (23) is arranged on the control oil way, and the hydraulic reversing valve (23) is communicated with the two oil inlet branches (21) and the main oil way (2) respectively under two adjusting states.

2. The boom oil passage control structure according to claim 1, characterized in that: the hydraulic double-speed motor further comprises two output oil ways (22), wherein the output oil ways (22) respectively correspond to lifting and lowering actions of the boom, and the two output oil ways (22) are communicated with the hydraulic double-speed motor (1).

3. The boom oil passage control structure according to claim 2, characterized in that: a shuttle valve (24) is arranged between the control oil way and the output oil way (22), the shuttle valve (24) is used for associating the output oil way (22) with the oil inlet branch (21), when the output oil way (22) corresponding to the lowering action is conducted, the oil inlet corresponding to the high-speed state is used for taking oil, and when the output oil way (22) corresponding to the lifting action is conducted, the oil inlet corresponding to the low-speed state is used for taking oil.

4. The boom oil passage control structure according to claim 1, characterized in that: and a balance valve (25) for adjusting the pressure of the main oil way (2) is arranged on the main oil way (2).

5. The boom oil passage control structure according to claim 1, characterized in that: the main oil way (2) is also provided with a safety valve (26), and the safety valve (26) is used for releasing pressure when the pressure is too high.

6. The utility model provides a marine jib device, includes support (3), be equipped with winch (5), rocking arm (6) on support (3), be equipped with hawser (61) on rocking arm (6), hawser (61) are connected its characterized in that with winch (5): comprising a boom oil path control structure as claimed in any one of claims 1 to 5, which is provided within a winch (5) and is used for controlling the winch (5).

7. A marine boom apparatus as claimed in claim 6, wherein: the lifting device is characterized by further comprising a supporting rod (4), wherein the rocker arm (6) is hinged with the supporting rod (4), a lifting assembly is arranged on the supporting rod (4), the lifting assembly is connected with the winch (5), and the lifting assembly is used for pulling the rocker arm (6) to rotate in the vertical direction.

8. A marine boom apparatus as claimed in claim 7, wherein: the bottom of rocking arm (6) is equipped with articulated seat (7), articulated seat (7) are articulated with branch (4), articulated seat (7) rotate on the horizontal direction, on rocking arm (6) with articulated seat (7) articulated, rocking arm (6) rotate in the vertical direction.