CN109809295A - A kind of ship's crane hydraulic control system - Google Patents
A kind of ship's crane hydraulic control system Download PDFInfo
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- CN109809295A CN109809295A CN201711158927.8A CN201711158927A CN109809295A CN 109809295 A CN109809295 A CN 109809295A CN 201711158927 A CN201711158927 A CN 201711158927A CN 109809295 A CN109809295 A CN 109809295A
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Abstract
The present invention relates to ship's crane technical fields; more particularly to a kind of ship's crane hydraulic control system; including oil groove, variable pump, the first overflow valve, the second overflow valve, third overflow valve, 3-position 4-way hand-operated direction valve, shuttle valve, throttle valve, hydraulic motor, two-position three-way hand change valve and checking cylinder; this system can be realized the raising and decline of ship's crane; it is provided simultaneously with good braking ability; to protect the operational safety of ship's crane; the apparatus structure is simple simultaneously; maintenance cost is low, has good practicability.
Description
Technical field
The present invention relates to ship's crane technical fields, and in particular to a kind of ship's crane hydraulic control system.
Background technique
Ship's crane is the important lifting equipment that ship is provided for oneself, using the development to China's oversea shipping trade, ocean
The exploitation of resource and the maintenance of maritime rights and interests are of great significance, and cannot be only used for the handling of itself when ship landing pier and make
Industry, it may also be used for water is transferred and handling haul, spare part etc., and reliability and working efficiency stop port to shortening, accelerate ship
Oceangoing ship turnover, reduction transportation cost are of great significance to.But existing ship's crane hydraulic control system, structure are multiple
Miscellaneous, maintenance cost is high.
Summary of the invention
Simple, stable ship's crane hydraulic control system that the purpose of the present invention is to provide a kind of structures.
In order to achieve the above object, the technical solution adopted by the present invention are as follows: a kind of ship's crane hydraulic control system, packet
Include oil groove, variable pump, the first overflow valve, the second overflow valve, third overflow valve, 3-position 4-way hand-operated direction valve, shuttle valve, throttling
The oil inlet of valve, hydraulic motor, two-position three-way hand change valve and checking cylinder, the variable pump is connect with oil groove, the variable
The oil outlet of pump is connect with the P of 3-position 4-way hand-operated direction valve mouth all the way, and another way is connect with the oil inlet of the first overflow valve, institute
The oil outlet for stating the first overflow valve is connect with oil groove, and the A mouth of the 3-position 4-way hand-operated direction valve connects with one end of hydraulic motor
It connects, the B mouth of the 3-position 4-way hand-operated direction valve is connect with the other end of hydraulic motor, the 3-position 4-way hand-operated direction valve
T mouthfuls connect with oil groove, and the oil inlet of second overflow valve is connect with the A of 3-position 4-way hand-operated direction valve mouth, and described second overflows
The oil outlet of stream valve is connect with the B of 3-position 4-way hand-operated direction valve mouth, the oil inlet and 3-position 4-way hand of the third overflow valve
The B mouth connection of dynamic reversal valve, the oil outlet of the third overflow valve are connect with the A of 3-position 4-way hand-operated direction valve mouth, the section
One end of stream valve is connect with the A of 3-position 4-way hand-operated direction valve mouth, and the other end is connect with the B of 3-position 4-way hand-operated direction valve mouth,
One oil inlet of the shuttle valve is connect with the A of 3-position 4-way hand-operated direction valve mouth, another oil inlet and 3-position 4-way manual reverse of direction
The B mouth of valve connects, and the oil outlet of the shuttle valve and the P1 mouth of two-position three-way hand change valve connect, and the two-position three way changes manually
It is connect to the A1 mouth of valve with checking cylinder, the checking cylinder is used for the braking of hydraulic motor, the two-position three-way hand change valve
T1 mouthfuls connect with oil groove.
A kind of ship's crane hydraulic control system as described above, further illustrates to be the oil inlet of the variable pump
Equipped with oil strainer.
A kind of ship's crane hydraulic control system as described above, further illustrates that being further includes accumulator, the storage
The oil outlet of energy device and variable pump connects.
The beneficial effects of the present invention are: this system can be realized the raising and decline of ship's crane, it is provided simultaneously with very well
Braking ability, to protect the operational safety of ship's crane, while the apparatus structure is simple, maintenance cost is low, has
Good practicability.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1, oil groove；2, variable pump；3, the first overflow valve；4, the second overflow valve；5, third overflow valve；6, three four
Logical hand-operated direction valve；7, shuttle valve；8, throttle valve；9, hydraulic motor；10, two-position three-way hand change valve；11, checking cylinder；12, oily
Filter；13, accumulator.
Specific embodiment
Embodiment of the present invention is further elaborated with reference to the accompanying drawing.
As shown in Figure 1, a kind of ship's crane hydraulic control system provided in this embodiment, including oil groove 1, variable pump 2,
First overflow valve 3, the second overflow valve 4, third overflow valve 5,3-position 4-way hand-operated direction valve 6, shuttle valve 7, throttle valve 8, hydraulic horse
Up to 9, two-position three-way hand change valve 10 and checking cylinder 11.
The oil inlet of the variable pump 2 is connect with oil groove 1, and oil strainer 12 can also be arranged in the oil inlet of variable pump 2,
The hydraulic oil entered in system can be made more to clean by the way that oil strainer 12 is arranged, while improving work efficiency, extended
The service life of equipment.
The oil outlet of the variable pump 2 is connect with the P of 3-position 4-way hand-operated direction valve 6 mouth all the way, and another way is overflow with first
The oil inlet connection of valve 3 is flowed, the oil outlet of first overflow valve 3 is connect with oil groove 1, and first overflow valve 3 makees safety valve
It uses, opens pressure release when the oil liquid pressure of system is more than setting value.
The A mouth of the 3-position 4-way hand-operated direction valve 6 is connect with one end of hydraulic motor 9, and the 3-position 4-way changes manually
It connect to the B mouth of valve 6 with the other end of hydraulic motor 9, to pass through the switching operation of 3-position 4-way hand-operated direction valve 6, realizes
The T mouth of the positive and negative rotation of hydraulic motor 9, the 3-position 4-way hand-operated direction valve 6 is connect with oil groove 1, to realize the reflux of oil liquid.
The oil inlet of second overflow valve 4 is connect with the A of 3-position 4-way hand-operated direction valve 6 mouth, second overflow valve 4
Oil outlet connect with the B of 3-position 4-way hand-operated direction valve 6 mouth, thus when 3-position 4-way hand-operated direction valve 6 is located at left station,
If hydraulic motor input pressure is excessive at this time, the second overflow valve 4 opens pressure release, so that hydraulic motor 9 is protected, the third
The oil inlet of overflow valve 5 is connect with the B of 3-position 4-way hand-operated direction valve 6 mouth, the oil outlet of the third overflow valve 5 and three four
The A mouth connection of logical hand-operated direction valve 6, together should 3-position 4-way hand-operated direction valve 6 when being located at right working position, if hydraulic motor at this time
Input pressure is excessive, and third overflow valve 5 opens pressure release.
One end of the throttle valve 8 is connect with the A of 3-position 4-way hand-operated direction valve 6 mouth, and the other end is manual with 3-position 4-way
The B mouth of reversal valve 6 connects, so as to realize the revolving speed of hydraulic motor 9 by the aperture for adjusting throttle valve 8.
One oil inlet of the shuttle valve 7 is connect with the A of 3-position 4-way hand-operated direction valve 6 mouth, another oil inlet and three four
The B mouth connection of logical hand-operated direction valve 6, the oil outlet of the shuttle valve 7 is connect with the P1 of two-position three-way hand change valve 10 mouth, described
The A1 mouth of two-position three-way hand change valve 10 is connect with checking cylinder 11, and the checking cylinder 11 is used for the braking of hydraulic motor 9, described
The T1 mouth of two-position three-way hand change valve 10 is connect with oil groove 1.
Preferably, accumulator 13 can also be arranged, the accumulator 13 is connect with the oil outlet of variable pump 2, by setting
Setting accumulator 13 can be reduced the impact of hydraulic oil, keep the flowing of hydraulic oil in system more steady.
The working principle of this system are as follows: when ship's crane, which is in, promotes operating condition, 3-position 4-way hand-operated direction valve 6 is located at
Left station, hydraulic motor 9 rotate forward, and realize the promotion of material, meanwhile, two-position three-way hand change valve 10 is in right working position, hydraulic
Oil enters in the rod chamber in checking cylinder 11 after passing through shuttle valve 7, two-position three-way hand change valve 10, to make in checking cylinder 11
Piston retraction, makes checking cylinder 11 be in the state that declutches, runs the normal table of hydraulic motor 9, it is only necessary to by 3-position 4-way hand
Dynamic 6 switching operation of reversal valve is allowed to be located at right working position, so that hydraulic motor 11 inverts, material is realized in the decline of ship's crane
Decentralization.When ship's crane when not used, 3-position 4-way hand-operated direction valve 6 is in intermediate stations, and hydraulic motor 9 stops operating,
Realize the stoppage in transit of material, meanwhile, two-position three-way hand change valve 10 is in left station, and the hydraulic oil in checking cylinder 11 is through two three
It is returned in oil groove 1 after logical hand-operated direction valve 10, so that the piston in checking cylinder 11 be made to stretch out, checking cylinder 11 is made to be in band-type brake shape
State makes hydraulic motor 9 be in locking state, ensure that the safety of ship's crane, while increasing the stabilization of ship's crane
Property.This system can be realized the raising and decline of ship's crane, be provided simultaneously with good braking ability, to protect peculiar to vessel
The operational safety of crane, while the apparatus structure is simple, maintenance cost is low, has good practicability.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, art technology
The various deformations or amendments that personnel can make without creative work are protected by this patent.
Claims (3)
1. a kind of ship's crane hydraulic control system, it is characterised in that: overflow including oil groove, variable pump, the first overflow valve, second
Flow valve, third overflow valve, 3-position 4-way hand-operated direction valve, shuttle valve, throttle valve, hydraulic motor, two-position three-way hand change valve and
The oil inlet of checking cylinder, the variable pump is connect with oil groove, the oil outlet of the variable pump all the way with 3-position 4-way manual reverse of direction
The P mouth of valve connects, and another way is connect with the oil inlet of the first overflow valve, and the oil outlet of first overflow valve is connect with oil groove,
The A mouth of the 3-position 4-way hand-operated direction valve is connect with one end of hydraulic motor, the B mouth of the 3-position 4-way hand-operated direction valve with
The other end of hydraulic motor connects, and the T mouth of the 3-position 4-way hand-operated direction valve is connect with oil groove, second overflow valve into
Hydraulic fluid port is connect with the A of 3-position 4-way hand-operated direction valve mouth, the oil outlet and 3-position 4-way hand-operated direction valve of second overflow valve
The connection of B mouth, the oil inlet of the third overflow valve connect with the B of 3-position 4-way hand-operated direction valve mouth, the third overflow valve
Oil outlet connect with the A of 3-position 4-way hand-operated direction valve mouth, the A of one end of the throttle valve and 3-position 4-way hand-operated direction valve
Mouth connection, the other end are connect with the B of 3-position 4-way hand-operated direction valve mouth, and an oil inlet of the shuttle valve changes manually with 3-position 4-way
It is connected to the A mouth of valve, another oil inlet connect with the B of 3-position 4-way hand-operated direction valve mouth, the oil outlet of the shuttle valve and two
The P1 mouth of threeway hand-operated direction valve connects, and the A1 mouth of the two-position three-way hand change valve is connect with checking cylinder, the checking cylinder
For the braking of hydraulic motor, the T1 mouth of the two-position three-way hand change valve is connect with oil groove.
2. a kind of ship's crane hydraulic control system according to claim 1, it is characterised in that: the variable pump into
Hydraulic fluid port is equipped with oil strainer.
3. a kind of ship's crane hydraulic control system according to claim 1, it is characterised in that: it further include accumulator,
The connection of the oil outlet of the accumulator and variable pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158927.8A CN109809295A (en) | 2017-11-20 | 2017-11-20 | A kind of ship's crane hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158927.8A CN109809295A (en) | 2017-11-20 | 2017-11-20 | A kind of ship's crane hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109809295A true CN109809295A (en) | 2019-05-28 |
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ID=66598576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711158927.8A Pending CN109809295A (en) | 2017-11-20 | 2017-11-20 | A kind of ship's crane hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109809295A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482337A (en) * | 2019-08-27 | 2019-11-22 | 广船国际有限公司 | A kind of ship distance line automatic takeup |
| CN112228415A (en) * | 2020-10-21 | 2021-01-15 | 天津市航昊机电设备有限公司 | Control device of hydraulic motor |
| CN112303045A (en) * | 2020-10-21 | 2021-02-02 | 天津市航昊机电设备有限公司 | Control device of hydraulic motor |
-
2017
- 2017-11-20 CN CN201711158927.8A patent/CN109809295A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482337A (en) * | 2019-08-27 | 2019-11-22 | 广船国际有限公司 | A kind of ship distance line automatic takeup |
| CN112228415A (en) * | 2020-10-21 | 2021-01-15 | 天津市航昊机电设备有限公司 | Control device of hydraulic motor |
| CN112303045A (en) * | 2020-10-21 | 2021-02-02 | 天津市航昊机电设备有限公司 | Control device of hydraulic motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190528 |
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| WD01 | Invention patent application deemed withdrawn after publication |