CN211288285U - Hydraulic system of self-elevating drilling platform locking device - Google Patents
Hydraulic system of self-elevating drilling platform locking device Download PDFInfo
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- CN211288285U CN211288285U CN201921814819.6U CN201921814819U CN211288285U CN 211288285 U CN211288285 U CN 211288285U CN 201921814819 U CN201921814819 U CN 201921814819U CN 211288285 U CN211288285 U CN 211288285U
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Abstract
The utility model relates to a from lift-type drilling platform locking device's hydraulic system. The utility model discloses solve the low and long technical problem of downtime maintenance time of the reliability of operating efficiency, unblock ability that current platform locking equipment exists. The technical scheme of the utility model is that: the hydraulic system consists of two sets of secondary pressure hydraulic pump control devices, two sets of platform locking control units, a side pull oil cylinder control unit, an upper motor, a lower motor, a side pull oil cylinder, a high-pressure oil filter, a pressure detection element, an oil tank and an oil return oil filter; each set of the two-stage pressure hydraulic pump control device consists of a stop ball valve, a pump motor set, a two-stage pressure regulating valve, a pressure gauge, a one-way valve and a safety valve, each set of the platform locking control unit consists of a pressure detection element, a motor control unit, a flow distribution control device, a reversing valve and a second one-way valve, and the side-pull oil cylinder control unit consists of a pressure valve and an electromagnetic reversing valve.
Description
Technical Field
The utility model relates to a from lift-type drilling platform locking device's hydraulic system, it belongs to hydraulic control technical field.
Background
With the gradual decrease of land petroleum resources and the increase of petroleum demand in recent years, abundant marine petroleum resources become a main target of future development, the construction and development of domestic marine drilling platforms are rapid, and higher requirements are made on the use safety and the operation capacity of the platforms. The self-elevating drilling platform locking device can protect the lifting system, improve the use safety and the operation capability of the platform, is an important component of the platform and is also an important device for ensuring the safety of the platform.
Disclosure of Invention
The utility model aims at solving the technical problem that the reliability of operating efficiency, unblock ability, operation that current platform locking equipment exists is low and trouble after the long maintenance time of shutting down, provide a from lift-type drilling platform locking device's hydraulic system.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a hydraulic system of a self-elevating drilling platform locking device comprises two sets of secondary pressure hydraulic pump control devices, two sets of platform locking control units, a side-pull oil cylinder control unit, an upper motor, a lower motor, a side-pull oil cylinder, a high-pressure oil filter, a first pressure detection element, an oil tank and an oil return oil filter; each set of secondary pressure hydraulic pump control device consists of a stop ball valve, a pump motor set, a secondary pressure regulating valve, a pressure gauge, a first one-way valve and a safety valve, wherein the oil inlet end of the stop ball valve is connected with an oil tank through an oil pipe, the oil outlet end of the stop ball valve is connected with the oil inlet of an oil pump in the pump motor set through an oil pipe, the oil outlet of the oil pump in the pump motor set is connected with the first one-way valve and the oil inlet of the safety valve through pipelines, the oil outlet of the first one-way valve is connected with the oil inlet of a high-pressure oil filter, the pressure gauge is arranged on the oil pipe connected with the first one-way valve, the oil inlet of the secondary pressure regulating valve is connected with a control port of the oil pump in the pump motor set, the oil outlet of the secondary pressure regulating; each set of platform locking control unit consists of a second pressure detection element, a motor control unit, a third pressure detection element, a flow distribution control device, a reversing valve and a second one-way valve, wherein an oil inlet of the flow distribution control device is connected with an oil outlet of the high-pressure oil filter through an oil pipe, one oil outlet of the flow distribution control device is connected with an oil inlet of the reversing valve, one working oil port of the reversing valve is connected with an oil inlet of the second one-way valve, the other oil outlet of the flow distribution control device is connected with an oil outlet of the second one-way valve and then is connected with an oil inlet of the motor control unit through an oil pipe, a working oil port A of the motor control unit is connected with a working oil port A1 of the upper motor or the lower motor through an oil pipe, and a working oil port B1 of the upper motor or the lower motor is connected with a working oil port B of, an oil outlet of the motor control unit is connected with an oil inlet of the return oil filter through an oil pipe, and the second pressure detection element and the third pressure detection element are respectively arranged on each working oil pipe of the upper motor or the lower motor; the side pull oil cylinder control unit consists of a fifth pressure valve and a second three-position four-way electromagnetic reversing valve, wherein an oil inlet of the fifth pressure valve is connected with an oil outlet of the high-pressure oil filter, an oil outlet of the fifth pressure valve is connected with an oil inlet of the second three-position four-way electromagnetic reversing valve, a working oil port of the second three-position four-way electromagnetic reversing valve is connected with a working oil port of a rodless cavity of the side pull oil cylinder, a working oil port of a rod cavity of the side pull oil cylinder is connected with another working oil port of the second three-position four-way electromagnetic reversing valve, and an oil outlet of the second three-position four-way electromagnetic reversing valve is connected with an oil inlet of oil return; the first pressure detection element is arranged on an oil pipe of an oil outlet of the high-pressure oil filter, and the oil outlet of the return oil filter is connected with an oil tank.
Furthermore, the second-stage pressure regulating valve is composed of a two-position four-way electromagnetic directional valve, a first pressure valve and a second pressure valve, an oil inlet of the two-position four-way electromagnetic directional valve is an oil inlet of the second-stage pressure regulating valve and is connected with a control port of an oil pump in the pump motor set, a working oil port of the two-position four-way electromagnetic directional valve is connected with an oil inlet of the first pressure valve, another working oil port of the two-position four-way electromagnetic directional valve is connected with an oil inlet of the second pressure valve, and an oil outlet of the two-position four-way electromagnetic directional valve, an oil outlet of the first pressure valve and an oil outlet of the second pressure valve are oil outlets of the second-stage pressure regulating valve.
Furthermore, the motor control unit is composed of a first three-position four-way electromagnetic directional valve, a third pressure valve and a fourth pressure valve, an oil inlet of the first three-position four-way electromagnetic directional valve is an oil inlet of the motor control unit and is connected with the other oil outlet of the flow distribution control device and the oil outlet of the second one-way valve, one working oil port of the first three-position four-way electromagnetic directional valve is connected with an oil outlet of the third pressure valve and an oil inlet of the fourth pressure valve, the other working oil port of the first three-position four-way electromagnetic directional valve is connected with an oil inlet of the third pressure valve and an oil outlet of the fourth pressure valve, and an oil outlet of the first three-position four-way electromagnetic directional valve is an oil outlet of the motor control unit and is connected with an oil inlet of an oil return filter.
The utility model has the advantages that:
the technical scheme adopted by the utility model realizes that locking and centering can be carried out simultaneously in the locking process, thereby greatly improving the working efficiency and avoiding the safety risk to the greatest extent in the storm state; the secondary pressure hydraulic pump control device meets the requirement of higher unlocking pressure under the conditions of normal working pressure and unconventional states such as mutual permeation, adhesion and the like of the locking rack and the pile leg rack after long-time operation of the platform; the double-hydraulic pump control device is arranged in the system, so that power source on-line switching can be realized through the electric control system once the hydraulic pump fails during working, shutdown maintenance is not needed, maintenance time is saved, and use efficiency is improved. Compared with the prior art, the utility model has the advantages of the reliability of higher operating efficiency, unblock ability, operation, need not to shut down and overhaul and practice thrift repair time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-an oil tank, 2-a stop ball valve, 3-a pump motor group, 4-a two-stage pressure regulating valve, 4.1-a first pressure valve, 4.2-a second pressure valve, 4.3-a two-position four-way electromagnetic directional valve, 5-a pressure gauge, 6-a first check valve, 7-a safety valve, 8-a high-pressure oil filter, 9-a first pressure detection element, 10-a second pressure detection element, 11-a motor control unit, 11.1-a third pressure valve, 11.2-a first three-position four-way electromagnetic directional valve, 11.3-a fourth pressure valve, 12-a third pressure detection element, 13-a flow distribution control device, 14-a directional valve, 15-a second check valve, 16-a side pull oil cylinder control unit, 16.1-a fifth pressure valve, 16.2-a second three-position four-way electromagnetic directional valve, 17.1-upper motor, 17.2-lower motor, 18-side pull oil cylinder, 19-return oil filter, 20-air filter, 21-liquid level sensor, 22-temperature sensor, 23-visual liquid level meter and 24-heater.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, the hydraulic system of the locking device of the jack-up rig in the present embodiment is composed of two sets of two-stage pressure hydraulic pump control devices, two sets of platform locking control units, a side pull cylinder control unit 16, an upper motor 17.1, a lower motor 17.2, a side pull cylinder 18, a high-pressure oil filter 8, a first pressure detection element 9, an oil tank 1 and a return oil filter 19; each set of secondary pressure hydraulic pump control device consists of a stop ball valve 2, a pump motor set 3, a secondary pressure regulating valve 4, a pressure gauge 5, a first check valve 6 and a safety valve 7, the oil inlet end of the stop ball valve 2 is connected with the oil tank 1 through an oil pipe, the oil outlet end of the stop ball valve 2 is connected with the oil inlet of an oil pump in the pump motor set 3 through an oil pipe, an oil outlet of an oil pump in the pump motor group 3 is connected with oil inlets of a first one-way valve 6 and a safety valve 7 through pipelines, the oil outlet of the first one-way valve 6 is connected with the oil inlet of the high-pressure oil filter 8, the pressure gauge 5 is arranged on an oil pipe connected with the first one-way valve 6, an oil inlet of the secondary pressure regulating valve 4 is connected with a control port of an oil pump in the pump motor set 3, an oil outlet of the secondary pressure regulating valve 4 is connected with the oil tank 1, and an oil outlet of the safety valve 7 is connected with an oil inlet of an oil return oil filter 19 through an oil pipe; each set of platform locking control unit consists of a second pressure detection element 10, a motor control unit 11, a third pressure detection element 12, a flow distribution control device 13, a reversing valve 14 and a second one-way valve 15, an oil inlet of the flow distribution control device 13 is connected with an oil outlet of the high-pressure oil filter 8 through an oil pipe, one oil outlet of the flow distribution control device 13 is connected with an oil inlet of the reversing valve 14, one working oil port of the reversing valve 14 is connected with an oil inlet of the second one-way valve 15, the other oil outlet of the flow distribution control device 13 is connected with an oil outlet of the second one-way valve 15 and then is connected with an oil inlet of the motor control unit 11 through an oil pipe, a working oil port a of the motor control unit 11 is connected with a working oil port a of the upper motor 17.1 or a working oil port B of the lower motor 17.2 through an oil pipe, and a working oil port B of the motor control unit 11 through an oil pipe, an oil outlet of the motor control unit 11 is connected with an oil inlet of an oil return filter 19 through an oil pipe, the second pressure detection element 10 and the third pressure detection element 12 are respectively arranged on each working oil pipe of the upper motor 17.1 or the lower motor 17.2, and the third pressure detection element 12 is arranged on an oil inlet pipe of the upper motor 17.1 or the lower motor 17.2; the side pull oil cylinder control unit 16 consists of a fifth pressure valve 16.1 and a second three-position four-way electromagnetic directional valve 16.2, an oil inlet of the fifth pressure valve 16.1 is connected with an oil outlet of the high-pressure oil filter 8, an oil outlet of the fifth pressure valve 16.1 is connected with an oil inlet of the second three-position four-way electromagnetic directional valve 16.2, a working oil port of the second three-position four-way electromagnetic directional valve 16.2 is connected with a working oil port of a rodless cavity of the side pull oil cylinder 18, an oil port of a rod cavity of the side pull oil cylinder 18 is connected with another working oil port of the second three-position four-way electromagnetic directional valve 16.2, and an oil outlet of the second three-position four-way electromagnetic directional valve 16.2 is connected with an oil inlet of an oil return oil; the first pressure detecting element 9 is arranged on an oil pipe of an oil outlet of the high-pressure oil filter 8, and an oil outlet of the return oil filter 19 is connected with the oil tank 1. An air cleaner 20 is provided on the fuel tank 1, a liquid level sensor 21 and a temperature sensor 22 are provided in the fuel tank 1, a visual level gauge 23 is provided on a side surface of the fuel tank, and a heater 24 is provided at a lower portion in the fuel tank 1.
The two-stage pressure regulating valve (4) is composed of a two-position four-way electromagnetic directional valve 4.3, a first pressure valve 4.1 and a second pressure valve 4.2, an oil inlet of the two-position four-way electromagnetic directional valve 4.3 is an oil inlet of the two-stage pressure regulating valve 4 and is connected with a control port of an oil pump in the pump motor group 3, a working oil port of the two-position four-way electromagnetic directional valve 4.3 is connected with the oil inlet of the first pressure valve 4.1, another working oil port of the two-position four-way electromagnetic directional valve 4.3 is connected with the oil inlet of the second pressure valve 4.2, and an oil outlet of the two-position four-way electromagnetic directional valve 4.3, an oil outlet of the first pressure valve 4.1 and an oil outlet of the second pressure valve 4.2 are connected with the oil tank 1, namely the oil.
The motor control unit 11 is composed of a first three-position four-way electromagnetic directional valve 11.2, a third pressure valve 11.1 and a fourth pressure valve 11.3, an oil inlet of the first three-position four-way electromagnetic directional valve 11.2 is an oil inlet of the motor control unit 11 and is connected with another oil outlet of the flow distribution control device 13 and an oil outlet of the second check valve 15, a working oil port of the first three-position four-way electromagnetic directional valve 11.2 is connected with an oil outlet of the third pressure valve 11.1 and an oil inlet of the fourth pressure valve 11.3, another working oil port of the first three-position four-way electromagnetic directional valve 11.2 is connected with an oil inlet of the third pressure valve 11.1 and an oil outlet of the fourth pressure valve 11.3, and an oil outlet of the first three-position four-way electromagnetic directional valve 11.2 is an oil outlet of the motor control unit 11 and is connected with an oil inlet of an oil return filter 19.
Claims (3)
1. The utility model provides a hydraulic system of jack-up rig locking device which characterized in that: the hydraulic oil filter consists of two sets of secondary pressure hydraulic pump control devices, two sets of platform locking control units, a side pull oil cylinder control unit (16), an upper motor (17.1), a lower motor (17.2), a side pull oil cylinder (18), a high-pressure oil filter (8), a first pressure detection element (9), an oil tank (1) and an oil return oil filter (19); each set of secondary pressure hydraulic pump control device consists of a stop ball valve (2), a pump motor set (3), a secondary pressure regulating valve (4), a pressure gauge (5), a first one-way valve (6) and a safety valve (7), wherein the oil inlet end of the stop ball valve (2) is connected with an oil tank (1) through an oil pipe, the oil outlet end of the stop ball valve (2) is connected with the oil inlet of an oil pump in the pump motor set (3) through an oil pipe, the oil outlet of the oil pump in the pump motor set (3) is connected with the oil inlet of the first one-way valve (6) and the oil inlet of the safety valve (7) through pipelines, the oil outlet of the first one-way valve (6) is connected with the oil inlet of a high-pressure oil filter (8), the pressure gauge (5) is arranged on the oil pipe connected with the first one-way valve (6), the oil inlet of the secondary pressure regulating valve (4) is connected with a, the oil outlet of the secondary pressure regulating valve (4) is connected with the oil tank (1), and the oil outlet of the safety valve (7) is connected with the oil inlet of an oil return filter (19) through an oil pipe; each set of platform locking control unit consists of a second pressure detection element (10), a motor control unit (11), a third pressure detection element (12), a flow distribution control device (13), a reversing valve (14) and a second one-way valve (15), wherein an oil inlet of the flow distribution control device (13) is connected with an oil outlet of the high-pressure oil filter (8) through an oil pipe, an oil outlet of the flow distribution control device (13) is connected with an oil inlet of the reversing valve (14), a working oil port of the reversing valve (14) is connected with an oil inlet of the second one-way valve (15), the other oil outlet of the flow distribution control device (13) is connected with an oil outlet of the second one-way valve (15) and then is connected with an oil inlet of the motor control unit (11) through an oil pipe, a working oil port A of the motor control unit (11) is in working connection with an oil port A1 of the upper motor (17.1) or the lower motor (17.2) through an oil pipe, a B1 working oil port of the upper motor (17.1) or the lower motor (17.2) is connected with a B working oil port of the motor control unit (11) through an oil pipe, an oil outlet of the motor control unit (11) is connected with an oil inlet of an oil return oil filter (19) through an oil pipe, and the second pressure detection element (10) and the third pressure detection element (12) are respectively arranged on each working oil pipe of the upper motor (17.1) or the lower motor (17.2); the side pull oil cylinder control unit (16) consists of a fifth pressure valve (16.1) and a second three-position four-way electromagnetic reversing valve (16.2), an oil inlet of the fifth pressure valve (16.1) is connected with an oil outlet of the high-pressure oil filter (8), an oil outlet of the fifth pressure valve (16.1) is connected with an oil inlet of the second three-position four-way electromagnetic reversing valve (16.2), a working oil port of the second three-position four-way electromagnetic reversing valve (16.2) is connected with a working oil port of a rodless cavity of the side pull oil cylinder (18), a working oil port of a rod cavity of the side pull oil cylinder (18) is connected with another working oil port of the second three-position four-way electromagnetic reversing valve (16.2), and an oil outlet of the second three-position four-way electromagnetic reversing valve (16.2) is connected with an oil inlet of an oil return oil filter (19); the first pressure detection element (9) is arranged on an oil pipe at the oil outlet of the high-pressure oil filter (8), and the oil outlet of the return oil filter (19) is connected with the oil tank (1).
2. The hydraulic system of a locking apparatus of a jack-up rig according to claim 1, it is characterized in that the secondary pressure regulating valve (4) consists of a two-position four-way electromagnetic directional valve (4.3), a first pressure valve (4.1) and a second pressure valve (4.2), the oil inlet of the two-position four-way electromagnetic directional valve (4.3) is the oil inlet of the secondary pressure regulating valve (4), which is connected with a control port of an oil pump in a pump motor group (3), a working oil port of the two-position four-way electromagnetic directional valve (4.3) is connected with an oil inlet of a first pressure valve (4.1), the other working oil port of the two-position four-way electromagnetic directional valve (4.3) is connected with the oil inlet of the second pressure valve (4.2), the oil outlet of the two-position four-way electromagnetic reversing valve (4.3), the oil outlet of the first pressure valve (4.1) and the oil outlet of the second pressure valve (4.2) are the oil outlets of the two-stage pressure regulating valve (4) and are connected with the oil tank (1).
3. The hydraulic system of a locking device of a self-elevating drilling platform according to claim 1, wherein the motor control unit (11) is composed of a first three-position four-way electromagnetic directional valve (11.2), a third pressure valve (11.1) and a fourth pressure valve (11.3), an oil inlet of the first three-position four-way electromagnetic directional valve (11.2) is an oil inlet of the motor control unit (11) and is connected with another oil outlet of the flow distribution control device (13) and an oil outlet of the second check valve (15), a working oil port of the first three-position four-way electromagnetic directional valve (11.2) is connected with an oil outlet of the third pressure valve (11.1) and an oil inlet of the fourth pressure valve (11.3), another working oil port of the first three-position four-way electromagnetic directional valve (11.2) is connected with an oil inlet of the third pressure valve (11.1) and an oil outlet of the fourth pressure valve (11.3), the oil outlet of the first three-position four-way electromagnetic reversing valve (11.2) is the oil outlet of the motor control unit (11) and is connected with the oil inlet of the oil return filter (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921814819.6U CN211288285U (en) | 2019-10-25 | 2019-10-25 | Hydraulic system of self-elevating drilling platform locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921814819.6U CN211288285U (en) | 2019-10-25 | 2019-10-25 | Hydraulic system of self-elevating drilling platform locking device |
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| Publication Number | Publication Date |
|---|---|
| CN211288285U true CN211288285U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921814819.6U Active CN211288285U (en) | 2019-10-25 | 2019-10-25 | Hydraulic system of self-elevating drilling platform locking device |
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| CN (1) | CN211288285U (en) |
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2019
- 2019-10-25 CN CN201921814819.6U patent/CN211288285U/en active Active
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