CN206159154U - Hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast - Google Patents

Hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast Download PDF

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Publication number
CN206159154U
CN206159154U CN201621058682.2U CN201621058682U CN206159154U CN 206159154 U CN206159154 U CN 206159154U CN 201621058682 U CN201621058682 U CN 201621058682U CN 206159154 U CN206159154 U CN 206159154U
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China
Prior art keywords
valve
circuit
hydraulic
spud leg
hoist cylinder
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CN201621058682.2U
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Chinese (zh)
Inventor
张兴恩
洪超
徐军
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Shanghai Hunter Marine Equipment Co Ltd
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Shanghai Hunter Marine Equipment Co Ltd
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Abstract

The utility model relates to a hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast, including motor, hydraulic pump, electromagnetic relief valve, lift cylinder group, lift cylinder group has and has pole chamber oil circuit and no pole chamber oil circuit, have and be connected the electromagnetic relief valve between pole chamber oil circuit and the no pole chamber oil circuit and form differential regeneration circuit, realize the differential quick movment of lift cylinder group, improve the speed of lift spud leg. The utility model provides a hydraulic pressure lift return circuit, when the lift spud leg, it has the differential regeneration circuit of formation between pole chamber oil circuit and the lift cylinder group no pole chamber oil circuit to organize lift cylinder, improves the speed of lift spud leg, and hydraulic circuit's ability is exert to the maximize, shortens platform lift total time.

Description

The spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system
Technical field
The utility model is related to a kind of hydraulic bolt formula jacking system, especially a kind of to be used for hydraulic bolt formula jacking system Hydraulic circuit.
Background technology
The platform that hydraulic bolt formula jacking system is applied to need to frequently be lifted and rate request is higher.The liter of its hydraulic system Road is dropped back to including parts such as hydraulic oil source, lifting valve group, hoist cylinder groups, hydraulic oil source is by control lifting valve group magnetic valve reality Existing lifting action.
In existing jacking system hydraulic lifting loop, when hoist cylinder group piston rod stretches out, hydraulic oil source fluid is entered Hoist cylinder group rodless cavity, hoist cylinder group rod chamber fluid oil return box, hoist cylinder group piston rod maximum is stretched out speed and is depended on In current hydraulic oil source flux and lifting oil, the area ratio of cylinder group rodless cavity;When hoist cylinder group piston rod is retracted, hydraulic oil Source fluid enters hoist cylinder group rod chamber, hoist cylinder group rodless cavity fluid oil return box, the maximum contracting of hoist cylinder group piston rod Return the area ratio that speed depends on current hydraulic oil source flux and hoist cylinder group rod chamber.When system typically presses hoistable platform Hoist cylinder group piston rod maximum stretches out maximum stream flow needed for speed correspondence loop to determine elevating loop hydraulic pump specification, lifts Maximal rate when spud leg speed is hydraulic pump delivery fuel feeding, usually slightly larger than hoistable platform speed;System installed power root Determine according to the lower peak power that consumes of the different operating modes such as a liter platform, drop platform, liter spud leg, drop spud leg, ballast.
Current ocean development is continuously increased constantly pushing deep-sea, the platform operations depth of water to, directly increases system lifting column Time needed for leg operating mode.Using existing hydraulic lifting circuit type, if wanting the speed for accelerating lifting spud leg, can only additionally increase Big hydraulic oil source flow, corresponding all elements, annex specification all will increases.If still adopting existing hydraulic lifting circuit type Spud leg lifting action is realized, as the platform operations depth of water is continuously increased, the substantial increase of lifting platform total time will be caused.
The content of the invention
In order to shorten lifting spud leg holding time, the utilization rate of hydraulic circuit ability is improved, accelerates the speed of lifting spud leg, The utility model provides a kind of spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system, using the hydraulic lifting loop Jack-up unit, lifting spud leg speed faster, effectively reduces the total time of lifting spud leg.
For achieving the above object, the technical solution of the utility model is:A kind of spud leg of hydraulic bolt formula jacking system is fast Fast raise-lower hydraulic circuit, including motor, hydraulic pump, electromagnetic relief valve, hoist cylinder group, the hoist cylinder group has rod chamber Oil circuit and rodless cavity oil circuit, connect electromagnetic relief valve and form differential regeneration back between the rod chamber oil circuit and rodless cavity oil circuit Road, realizes the differential quick motion of hoist cylinder group, improves the speed of lifting spud leg, shortens lifting platform total time.
The hydraulic pump oil-in is connected with fuel tank, and hydraulic pump oil-out is by check valve and the first electromagnetic relief valve and height Press through filter to be connected;High pressure filter outlet is connected with the first O-shaped function three-position four-way valve, the second O-shaped function three-position four-way valve; First O-shaped function three-position four-way valve and the second electromagnetic relief valve, shuttle valve, guide's hydraulic fluid port of balanced valve, hoist cylinder group have bar Chamber oil circuit is connected;First O-shaped function three-position four-way valve is also connected with the second O-shaped function three-position four-way valve, the second O-shaped function three Cross valve is connected by balanced valve with the rodless cavity oil circuit of hoist cylinder group;Second electromagnetic relief valve is by balanced valve and lifting oil The rodless cavity oil circuit of cylinder group is connected.
The hoist cylinder group includes multiple hoist cylinders and cylinder ports valve group parallel with one another.The motor and hydraulic pump At least two sets.The balanced valve is made up of multiple balanced valve parallel connections.Two O-shaped function three-position four-way valves are patrolled by plug-in Collect valve to combine.
The beneficial effects of the utility model are:
The hydraulic lifting loop that the utility model is used, when spud leg is lifted, by hoist cylinder group rod chamber oil circuit and liter Differential regenerative circuit is formed between drop oil cylinder group rodless cavity oil circuit, the speed of lifting spud leg is improved, is maximized and is played hydraulic circuit Ability, shorten lifting platform total time.
Description of the drawings
Fig. 1 is the spud leg fast lifting hydraulic circuit diagram of hydraulic bolt formula jacking system of the present utility model;
Fig. 2 is the oil supply system figure of the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system.
Specific embodiment
Below in conjunction with accompanying drawing 1, Fig. 2, a specific embodiment of the present utility model is described in further detail.
Such as Fig. 1, shown in 2, the utility model provides a kind of spud leg fast lifting for being applied to hydraulic bolt formula jacking system Hydraulic circuit.This hydraulic circuit includes:It is motor 1, hydraulic pump 2, check valve 3, the first electromagnetic relief valve 4, high pressure filter 5, cold But device 6, return filter 7, fuel tank 8, the first O-shaped function three-position four-way valve 9, the 2nd 0 type function three-position four-way valve 10, second are electric Magnetic overflow valve 11, shuttle valve 12, balanced valve 13, hoist cylinder group 14.
In the present embodiment, the oil-in of hydraulic pump 2 is connected with fuel tank 8, and the oil-out of hydraulic pump 2 is connected with the import of check valve 3;It is single It is connected with the A mouths of the first electromagnetic relief valve 4, the P mouths of high pressure filter 5 to the outlet of valve 3;The T mouths of high pressure filter 5 and the 1st The P mouths of type function three-position four-way valve 9, the P mouths of the 2nd 0 type function three-position four-way valve 10 are connected;First O-shaped function 3-position 4-way The A mouths of the A mouths of valve 9 and the second electromagnetic relief valve 11,121 mouthfuls of shuttle valve 12, the guide's hydraulic fluid port X mouths of balanced valve 13, hoist cylinder group 14 rod chamber oil circuit is connected;The B of the B mouths of the first O-shaped function three-position four-way valve 9 and the second O-shaped function three-position four-way valve 10 Mouth, the B mouths of the second electromagnetic relief valve 11,123 mouthfuls of shuttle valve 12, the A mouths of balanced valve 13 are connected;The elder generation of the second electromagnetic relief valve 11 Oil diverting port X mouths are connected with 1 22 mouthfuls of shuttle valve 12;The B mouths of balanced valve 13 are connected with the rodless cavity oil circuit of hoist cylinder group 14;Second The T mouths of guide's drain tap Y mouths of electromagnetic relief valve 11 and the first O-shaped function three-position four-way valve 9, the 2nd 0 type function 3-position 4-way The T mouths of valve 10, the B mouths of the first electromagnetic relief valve 4, the hot oil inlet of cooler 6 are connected;The cold oil of cooler 6 is exported and oil return filter The entrance of device 7 is connected;The outlet of oil return cooler 7 is connected with fuel tank 8;Hoist cylinder group 14 includes multiple hoist cylinders parallel with one another With cylinder ports valve group;Balanced valve 13, can be in parallel using multiple balanced valves according to real system flow;Motor 1 and hydraulic pump 2 are at least For two sets.
In Fig. 1, after starting motor 1, the first electromagnetic relief valve 4 obtains electric, and loop starts to build pressure, when loop reaches rated pressure Afterwards, system possesses operation condition.Concrete action control is referring to Fig. 2.
Rise platform operating mode:When item rises platform, the electromagnet DT2 of the one 0 type function three-position four-way valve 9 obtains electric, pressure oil flow direction The B mouths of the one 0 type function three-position four-way valve 9, by balanced valve 13 the rodless cavity oil circuit of hoist cylinder group 14 is entered;Hoist cylinder group 14 rod chamber oil circuit fluid flow to the T mouth oil returns of the first O-shaped function three-position four-way valve 9.During backhaul, the one 0 type function three four The electromagnet DT3 of port valve 9 obtains electric, and pressure oil flows to the A mouths of the first O-shaped function three-position four-way valve 9, has bar into hoist cylinder group 14 Chamber oil circuit;Hoist cylinder group 14 after balanced valve 13 reversely throttling, flows to the one 0 type function three four without stalk chamber oil circuit fluid The T mouth oil returns of port valve 9.
During drop platform, the electromagnet DT3 of the one 0 type function three-position four-way valve 9 obtains electric, and pressure oil flows to the one 0 type function three The A mouths of position four-way valve 9, into the rod chamber oil circuit of hoist cylinder group 14;The rodless cavity oil circuit fluid of hoist cylinder group 14 is through balance Valve 13 reversely after throttling, flows to the T mouth oil returns of the first O-shaped function three-position four-way valve 9.During backhaul, the second O-shaped function 3-position 4-way The electromagnet DT4 of valve 10, the electromagnet DT6 of the second electromagnetic relief valve 11 obtain electric, and pressure oil flows to the second O-shaped function three-position four-way valve 10 B mouths, by balanced valve 13 enter the rodless cavity oil circuit of hoist cylinder group 14;The rod chamber oil circuit fluid of hoist cylinder group 14 is through Two electromagnetic relief valves 11(Directly connect)The rodless cavity oil circuit of hoist cylinder group 14 is entered afterwards, forms differential regenerative circuit.
When rising spud leg, the electromagnet DT3 of the one 0 type function three-position four-way valve 9 obtains electric, and pressure oil flows to the first O-shaped function three The A mouths of position four-way valve 9, into the rod chamber oil circuit of hoist cylinder group 14;The rodless cavity oil circuit fluid of hoist cylinder group 14 is through balance Valve 13 reversely after throttling, flows to the T mouth oil returns of the first O-shaped function three-position four-way valve 9.During backhaul, the second O-shaped function 3-position 4-way The electromagnet DT4 of valve 10, the electromagnet DT6 of the second electromagnetic relief valve 11 obtain electric, and pressure oil flows to the second O-shaped function three-position four-way valve 10 B mouths, by balanced valve 13 the rodless cavity oil circuit of hoist cylinder group 14 is entered;The rod chamber oil circuit fluid of hoist cylinder group 14 is passed through Second electromagnetic relief valve 11(Directly connect)The rodless cavity oil circuit of hoist cylinder group 14 is entered afterwards, forms regeneration differential circuit.
During drop spud leg, the electromagnet DT4 of the second O-shaped function three-position four-way valve 10, the second electromagnetic relief valve 11
Electromagnet DT7 obtains electric, and pressure oil flows to the B mouths of the second O-shaped function three-position four-way valve 10, is entered by balanced valve 13 The rodless cavity oil circuit of hoist cylinder group 14;The rod chamber oil circuit fluid of hoist cylinder group 14 is laggard through the overflow of the second electromagnetic relief valve 11 Enter the rodless cavity oil circuit of hoist cylinder group 14, form regeneration differential circuit.During backhaul, the first O-shaped electromagnet of function three-position four-way valve 9 DT3 obtains electric, and pressure oil flows to the A mouths of the first O-shaped function three-position four-way valve 9, into the rod chamber oil circuit of hoist cylinder group 14;Lifting The rodless cavity oil circuit fluid of oil cylinder group 14 flows to the T mouths of the first O-shaped function three-position four-way valve 9 after balanced valve 13 reversely throttling Oil return.
Core of the present utility model by the second electromagnetic relief valve 11 between the two cavity oil road of control hoist cylinder group 14, Realize the differential quick motion of hoist cylinder group 14.Its protection domain is not limited to above-described embodiment, every in the utility model Scope and spirit in change, equivalent, the deformation made, all should be in claim of the present utility model and equivalent technologies In the range of.

Claims (6)

1. a kind of spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system, including motor (1), hydraulic pump (2), electromagnetism Overflow valve, hoist cylinder group (14), it is characterised in that:The hoist cylinder group (14) is with rod chamber oil circuit and rodless cavity oil Road, connects electromagnetic relief valve and forms differential regenerative circuit between the rod chamber oil circuit and rodless cavity oil circuit, realize hoist cylinder The differential quick motion of group (14).
2. the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system according to claim 1, it is characterised in that: Hydraulic pump (2) oil-in is connected with fuel tank (8), and hydraulic pump (2) oil-out is by check valve (3) and the first electromagnetic relief valve (4) it is connected with high pressure filter (5);High pressure filter (5) is exported and the first O-shaped function three-position four-way valve (9), the second O-shaped machine Energy three-position four-way valve (10) is connected;It is first O-shaped function three-position four-way valve (9) and the second electromagnetic relief valve (11), shuttle valve (12), flat Guide's hydraulic fluid port of weighing apparatus valve (13), the rod chamber oil circuit of hoist cylinder group (14) are connected;First O-shaped function three-position four-way valve (9) is also It is connected with the second O-shaped function three-position four-way valve (10), the second O-shaped function three-position four-way valve (10) is by balanced valve (13) and lifting The rodless cavity oil circuit of oil cylinder group (14) is connected;Second electromagnetic relief valve (11) is by balanced valve (13) and hoist cylinder group (14) Rodless cavity oil circuit is connected.
3. the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system according to claim 1, it is characterised in that: The hoist cylinder group (14) includes multiple hoist cylinders and cylinder ports valve group parallel with one another.
4. the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system according to claim 1, it is characterised in that: The motor (1) and hydraulic pump (2) are at least two sets.
5. the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system according to claim 2, it is characterised in that: The balanced valve (13) is made up of multiple balanced valve parallel connections.
6. the spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system according to claim 2, it is characterised in that: Two O-shaped function three-position four-way valves are combined by plug-in logical valve.
CN201621058682.2U 2016-09-18 2016-09-18 Hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast Active CN206159154U (en)

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CN201621058682.2U CN206159154U (en) 2016-09-18 2016-09-18 Hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast

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Application Number Priority Date Filing Date Title
CN201621058682.2U CN206159154U (en) 2016-09-18 2016-09-18 Hydraulic pressure bolt formula operating system's spud leg hydraulic circuit that goes up and down fast

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246632A (en) * 2016-09-18 2016-12-21 上海衡拓船舶设备有限公司 The spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246632A (en) * 2016-09-18 2016-12-21 上海衡拓船舶设备有限公司 The spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system
CN106246632B (en) * 2016-09-18 2017-12-15 上海衡拓船舶设备有限公司 The spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system

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