CN214465191U - Hydraulic power device suitable for application in deep water - Google Patents
Hydraulic power device suitable for application in deep water Download PDFInfo
- Publication number
- CN214465191U CN214465191U CN202120462692.7U CN202120462692U CN214465191U CN 214465191 U CN214465191 U CN 214465191U CN 202120462692 U CN202120462692 U CN 202120462692U CN 214465191 U CN214465191 U CN 214465191U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil
- motor
- control valve
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a be suitable for hydraulic power unit who uses in deep water belongs to hydraulic equipment technical field, and it includes the base and installs motor, hydraulic oil pump, batch oil tank, fluid compensator, hydraulic actuator, the hydraulic control valves under water on the base, the fluid compensator have with the oil pocket that the batch oil tank switches on, the oil pocket is enclosed by the elasticity bag wall, the fluid compensator exposes in aquatic. The utility model discloses a hydraulic power device, fluid through between fluid compensator and the batch oil tank flows and has realized the batch oil tank, the internal and external pressure balance of motor under water, only need consider its leakproofness and structural stability with the part of sea water direct contact in the processing preparation, needn't consider its pressure-bearing nature again too much to greatly reduced the wall thickness of batch oil tank and the part of motor under water, alleviateed hydraulic power device's weight, reduced hydraulic power device's manufacturing cost.
Description
Technical Field
The utility model relates to a be suitable for hydraulic power unit who uses in deep water belongs to hydraulic equipment technical field.
Background
The hydraulic power device is a device which takes liquid as a working medium and can transmit power to an actuating element by utilizing the pressure of the liquid, and has the characteristics of light weight, small volume, long service life, convenient operation and control, easy realization of automation and flexible device layout according to the field requirement. Because of the above characteristics, hydraulic power devices are widely used in various industries. For example, the field of ocean exploration employs hydraulic power plants to power ocean exploration equipment in many applications. Existing hydraulic power units for underwater applications are generally only capable of use in shallow water, subject to water pressure and sealing techniques. In order to be applied to deep sea, the hydraulic power equipment needs to overcome the influence of water pressure on the equipment by increasing the wall thickness of a hydraulic element, and the increase of the wall thickness not only increases the weight of the equipment, but also increases the manufacturing cost of the hydraulic equipment.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that prior art exists, provide a be suitable for the hydraulic power device who uses in the deep water, effectual water tightness, the pressure-bearing problem and the ocean detection equipment of having solved hydraulic power device dive and retrieve the unbalanced problem of interior external pressure of in-process actuating element.
The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:
a hydraulic power device suitable for being applied in deep water comprises a base, and an underwater motor, a hydraulic oil pump, an oil storage tank, an oil compensator, a hydraulic actuator and a hydraulic control valve group which are arranged on the base;
the underwater motor is an oil immersed submersible motor, oil is filled in a motor cavity of the underwater motor, the motor cavity of the underwater motor is communicated with the oil storage tank, and the oil can flow between the motor cavity and the oil storage tank.
The underwater motor is in transmission connection with the hydraulic oil pump, the hydraulic oil pump is used for supplying oil in the oil storage tank to the hydraulic actuating element and the hydraulic control valve bank, the hydraulic actuating element is used for driving the ocean detection equipment and the sampler to move, and the hydraulic control valve bank is used for controlling the opening and closing of a hydraulic oil path between the hydraulic actuating element and the hydraulic oil pump;
the oil compensator is provided with an oil cavity communicated with the oil storage tank, the oil cavity is surrounded by an elastic bag wall, and the oil compensator is exposed in water.
Optionally, the top of the oil storage tank is provided with an exhaust joint.
Optionally, a protective cover is arranged on the outer side of the oil compensator.
Optionally, the hydraulic actuator includes a plurality of hydraulic motors for driving the ocean exploration equipment to advance and retreat and driving the sampler to rotate, and a plurality of hydraulic cylinders for driving the ocean exploration equipment to turn and driving the sampler to lift.
Optionally, the hydraulic power device suitable for application in deep water further comprises a detection element and a controller, and the controller controls the hydraulic control valve group to act according to a signal of the detection element.
The detection element includes:
the pressure sensors are arranged at the outlet of the hydraulic oil pump, the outlet of the hydraulic control valve group and the hydraulic motor;
the displacement sensor is arranged on the hydraulic oil cylinder;
a rotation speed sensor provided on the hydraulic motor;
a temperature sensor disposed within the oil reservoir;
or leakage switches arranged in the oil storage tank and the underwater motor.
Optionally, the hydraulic motor comprises a walking motor for driving the ocean detection equipment to advance and retreat, and a sampling motor for driving the sampler to rotate, and the hydraulic cylinders comprise a steering hydraulic cylinder for driving the ocean detection equipment to turn and a lifting hydraulic cylinder for driving the sampler to lift;
optionally, the hydraulic oil pump adopts a duplex pump, the duplex pump includes a main pump and an auxiliary pump, the main pump supplies oil to the traveling motor and the sampling motor, and the auxiliary pump supplies oil to the hydraulic oil cylinder and the hydraulic control valve group.
The hydraulic control valve group comprises a motor control valve group and an oil cylinder control valve group which are respectively used for controlling the opening and closing of a hydraulic oil path between the hydraulic motor, the hydraulic oil cylinder and the hydraulic oil pump, and a speed switching control valve group used for controlling the rotating speed of the hydraulic motor.
Optionally, the hydraulic oil pump, the hydraulic control valve group and the detection element are arranged in the oil storage tank, and the execution element and the underwater motor are arranged outside the oil storage tank.
Optionally, be suitable for the hydraulic power unit who uses in the deep water, still include a plurality of motor fluid pressure release bypass, motor fluid pressure release bypass is connected respectively walking motor, sampling motor with between the batch oil tank, be provided with the pressure release overflow valve on the motor fluid pressure release bypass.
Benefits of the present application include, but are not limited to:
the problems of water tightness and hydraulic element pressure bearing of the hydraulic power device and imbalance of internal and external pressures of the actuating element in the recovery process of ocean detection equipment are effectively solved
The utility model provides a hydraulic power device, the effectual water tightness who has solved hydraulic power device, the unbalanced problem of pressure-bearing problem and ocean detection equipment dive and retrieve in-process execute component internal and external pressure, it is concrete, (1) fluid through between fluid compensator and the batch oil tank flows and has realized the batch oil tank, the internal and external pressure balance of motor under water, only need consider its leakproofness and structural stability with the part of sea water direct contact on the processing preparation, needn't too much consider its pressure-bearing nature again, thereby greatly reduced the wall thickness of the part of batch oil tank and motor under water, the weight that has alleviateed hydraulic power device, hydraulic power device's manufacturing cost has been reduced. (2) The hydraulic oil pump, the hydraulic control valve group, the detection element and the like are arranged in the closed oil storage tank, seawater corrosion is avoided, the service life of each part is prolonged, and the influence of seawater on each part in the oil storage tank is not required to be considered, so that the selection range of the parts is enlarged, and the cost of the hydraulic power device is reduced. (3) The pressure relief overflow valve on the motor oil pressure relief bypass relieves the pressure of oil in the hydraulic motor, so that the hydraulic motor is protected from being damaged in the environment with water pressure change. (4) The main pump in the duplex pump supplies oil to the walking motor and the sampling motor, and the auxiliary pump supplies oil to the hydraulic oil cylinder and the hydraulic control valve group, so that the influence of actions such as turning, speed switching, lifting and the like on the walking of the motor is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a hydraulic power device provided by the present invention;
fig. 2 is a schematic view of a hydraulic principle of the hydraulic power device provided by the present invention;
in the figure, 100, base; 110. damping cushion blocks; 200. an underwater motor; 300. a hydraulic oil pump; 400. an oil storage tank; 410. an exhaust joint; 500. an oil compensator; 510. a protective cover; 611. a travel motor; 612. a sampling motor; 621. a steering hydraulic oil cylinder; 622. lifting a hydraulic oil cylinder; 710. a motor control valve block; 720. an oil cylinder control valve group; 730. a speed switching control valve group; 810. a pressure sensor; 820. a displacement sensor; 830. a rotational speed sensor; 840. a temperature sensor; 850. a leakage switch; 900. a pressure relief overflow valve.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein. Accordingly, the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 and fig. 2, the utility model provides a be suitable for hydraulic power unit who uses in deep water, including base 100 and install underwater motor 200, hydraulic oil pump 300, oil storage tank 400, fluid compensator 500, hydraulic actuator, hydraulic control valves and the sample thief on base 100.
The underwater motor 200 is an oil-immersed submersible motor, oil is filled in a motor cavity of the underwater motor, heat generated by the operation of the motor can be rapidly conducted out, and a bearing of the motor can be lubricated. Here, the motor chamber of the underwater motor 200 is communicated with the oil tank 400, and oil may flow between the motor chamber and the oil tank 400.
The underwater motor 200 is in transmission connection with the hydraulic oil pump 300, the hydraulic oil pump 300 is used for supplying oil in the oil storage tank 400 to a hydraulic actuator and a hydraulic control valve bank, the hydraulic actuator is used for driving the ocean detection equipment and the sampler to move, and the hydraulic control valve bank is used for controlling the opening and closing of a hydraulic oil path between the hydraulic actuator and the hydraulic oil pump 300;
the oil compensator 500 has an oil chamber communicating with the oil reservoir 400, the oil chamber being surrounded by an elastic bag wall, the oil compensator 500 being exposed to deep water.
When the ocean exploration equipment submerges to the seabed, the environmental temperature is reduced along with the increase of the submergence depth, the water pressure is increased along with the environmental temperature, the total volume of oil in the oil storage tank 400 and the underwater motor 200 is correspondingly reduced along with the reduction of the environmental temperature, the pressure in the oil storage tank 400 and the underwater motor 200 is reduced along with the reduction of the environmental temperature, the water pressure born outside the oil storage tank 400 and the underwater motor 200 is larger than the pressure in the oil storage tank 400 and the underwater motor 200, and the internal and external pressure imbalance caused by the change of the oil volume is generated along with the internal and external pressure imbalance. On the other hand, in the process of recovering the ocean exploration equipment, as the submergence depth is reduced, the water pressure is reduced, the temperature is increased, the volumes of the oil in the oil storage tank 400 and the underwater motor 200 are increased, and the internal pressure is increased, so that the water pressure born outside the oil storage tank 400 and the underwater motor 200 is smaller than the pressure in the oil storage tank 400 and the underwater motor 200, and the internal and external pressure imbalance caused by the change of the oil volume is generated. In order to solve the problem, the utility model provides an among the hydraulic power device, fluid in the fluid compensator 500 is linked together with fluid in the batch oil tank 400, both inside bearing pressure can keep equaling, so when the outside bearing pressure of fluid compensator 500 is big than inside oil pressure, fluid compensator 500 produces and warp, squeeze into batch oil tank 400 with the inside fluid of fluid compensator 500 in, the fluid volume that is squeezed into just in time equals batch oil tank 400 and the inside volume change sum of motor 200 under water, realized batch oil tank 400 and the interior external pressure balance of motor 200 under water.
The utility model provides a hydraulic power device, the fluid through between fluid compensator 500 and the batch oil tank 400 flows the inside and outside pressure balance that has realized batch oil tank 400, motor 200 under water, can survey in 4000 meters deep sea territory and use. The parts directly contacted with the seawater only need to consider the sealing performance and the structural stability in the processing and manufacturing process, and the pressure bearing performance is not needed to be considered too much, so that the wall thicknesses of the parts of the oil storage tank 400 and the underwater motor 200 are greatly reduced, the weight of the hydraulic power device is reduced, and the manufacturing cost of the hydraulic power device is reduced.
The underwater motor 200, the hydraulic oil pump 300, the oil storage tank 400, the oil compensator 500, the hydraulic actuator, the hydraulic control valve bank and the sampler form a hydraulic loop together, and control the advancing, retreating and turning actions of the ocean detection equipment and the lifting and sampling actions of the sampler.
Specifically, the oil compensator 500 is made of an elastic material, and is generally made of nitrile rubber, the shore a hardness is not more than 60, the tensile length is less than 20mm, the elongation at break is not less than 300%, and the oil compensator is not damaged due to deformation after being extruded under water pressure.
Further, a protective cover 510 is disposed outside the oil compensator 500 to protect the oil compensator 500 from damage. Typically, the oil compensator 500 is made of an elastic rubber, and the metal members of the end portions are provided with center holes communicating with the oil inside the oil reservoir 400 for the oil to flow between the oil compensator 500 and the oil reservoir 400.
Specifically, the oil storage tank 400 is composed of a tank body and a tank cover which is arranged at the opening of the tank body in a sealing mode, the tank body is of a square structure generally, a sealing groove is formed in the opening of the tank body, a sealing O-shaped ring is arranged in the sealing groove, and the O-shaped sealing ring is tightly pressed after the tank cover covers the tank body, so that the water tightness of the oil storage tank 400 is guaranteed.
In one embodiment, the contact surfaces of the underwater motor 200, the oil storage tank 400 and the base are provided with shock absorbing cushion blocks 110 for shock absorption and shock insulation. The cushion block 110 and the O-shaped sealing ring are made of elastic materials.
In another embodiment, a gas discharge joint 410 is provided at the top of the oil reservoir 400, and gas is discharged through the gas discharge joint 410 when the oil reservoir 400 is filled with oil.
Specifically, the hydraulic actuator comprises a plurality of hydraulic motors which drive the ocean detection equipment to advance and retreat and drive the sampler to rotate, and a plurality of hydraulic cylinders which drive the ocean detection equipment to turn and drive the sampler to lift.
Further the utility model provides a be suitable for hydraulic power unit who uses in deep water still includes detecting element and controller, and the controller is according to detecting element's signal control hydraulic control valves action, and detecting element includes:
a pressure sensor 810 installed at the outlet of the hydraulic oil pump 300, the outlet of the hydraulic control valve group, and the hydraulic motor;
a displacement sensor 820 disposed on the hydraulic cylinder;
a rotational speed sensor 830 provided on the hydraulic motor;
a temperature sensor 840 provided in the oil reservoir 400;
or a leak switch 850 provided in the oil storage tank 400 and the underwater motor 200.
The pressures of the hydraulic oil pump 300 and the hydraulic motor are detected by a pressure sensor 810, the rotating speed of the hydraulic motor is detected by a rotating speed sensor 830, the walking speed of the ocean detection equipment and the rotating speed of the sampler are further judged, the extension and retraction lengths of piston rods of the hydraulic oil cylinder are detected by a displacement sensor 820, and the size of the turning angle is further judged. Temperature sensor 840 in oil storage tank 400 can monitor hydraulic power unit and move the in-process oil temperature in the whole journey to avoid causing the damage because of the too high hydraulic component of oil temperature in oil storage tank 400 and sealed. The oil storage tank 400 and the underwater motor 200 are internally provided with the leakage switch 850, so that the water sealing performance of the oil storage tank 400 and the underwater motor 200 can be monitored in the whole process, and the damage of various hydraulic elements and detection elements caused by leakage is avoided.
Specifically, the hydraulic motor includes a traveling motor 611 for driving the ocean exploration equipment to move forward and backward, and a sampling motor 612 for driving the sampler to rotate. The hydraulic oil cylinders comprise a steering hydraulic oil cylinder 621 driving the ocean detection equipment to turn and a lifting hydraulic oil cylinder 622 driving the sampler to lift;
the hydraulic oil pump 300 adopts a duplex pump, the duplex pump comprises a main pump and an auxiliary pump, the main pump supplies oil to the walking motor 611 and the sampling motor 612, the auxiliary pump supplies oil to the hydraulic oil cylinder and the hydraulic control valve group, and the influence of actions such as turning, speed switching, lifting and the like on the walking of the motor is avoided.
Further, the hydraulic control valve group comprises a motor control valve group 710 and a cylinder control valve group 720 for controlling the opening and closing of a hydraulic oil path between the hydraulic motor, the hydraulic oil cylinder and the hydraulic oil pump 300, and a speed switching control valve group 730 for controlling the rotation speed of the hydraulic motor.
In order to extract the seawater collected by the sampler from the sample container, the ocean exploration equipment is usually further provided with a water pump, the hydraulic motor further comprises a water pump motor 613 for driving the water pump, and a corresponding oil path and a pressure detection and control method are the same as those of the walking motor and the sampling motor.
The hydraulic oil pump 300, the hydraulic control valve group and the detection element are arranged in the oil storage tank 400, and the execution element and the underwater motor 200 are arranged outside the oil storage tank 400. The parts (the oil removal liquid compensator 500) in direct contact with the seawater are all made of stainless steel materials, so that the seawater is prevented from being corroded. The hydraulic oil pump 300, the hydraulic control valve group, the detection element and the like are arranged in the closed oil storage tank 400, seawater corrosion is avoided, the service life of each part is prolonged, and the influence of seawater on each part in the oil storage tank 400 is not required to be considered, so that the selection range of the parts is enlarged, and the cost of the hydraulic power device is reduced.
Further, the utility model provides a be suitable for hydraulic power unit who uses in the deep water still includes a plurality of motor fluid pressure release bypass, and motor fluid pressure release bypass is connected respectively between walking motor 611, sampling motor 612 and batch oil tank 400, is provided with pressure release overflow valve 900 on the motor fluid pressure release bypass. Specifically, when sampling is performed on the seabed, the traveling motor 611 and the sampling motor 612 are filled with oil, and the internal oil pressure and the external water pressure are balanced. In the marine exploration equipment recovery process, along with the reduction of submergence depth, the water pressure acting on the outside of the hydraulic motor becomes smaller gradually. And the internal pressure of the hydraulic motor cannot be automatically released due to the internal structure of the hydraulic motor, so that the hydraulic motor is damaged due to the unbalanced internal and external pressure. After the pressure relief overflow valve 900 is installed on the motor oil pressure relief bypass, the oil pressure in the hydraulic motor can be gradually relieved through the pressure relief overflow valve 900, and the internal pressure and the external pressure of the hydraulic motor are balanced, so that the hydraulic motor is protected from being damaged.
The utility model provides a be suitable for hydraulic power unit who uses in the deep water, the working process as follows:
(1) the utility model provides a hydraulic power device's each parts installation finishes the back, does corresponding gas tightness test and leakage sealing nature test, ensures that hydraulic power device's gas tightness and leakage sealing nature are up to standard.
(2) Will the utility model provides a hydraulic power device installs on the ocean detection equipment, with the rubber hose who prevents seawater corrosion with the batch oil tank 400, hydraulic oil pump 300, each hydraulic actuator links to each other like walking motor 611, steering hydraulic cylinder 621, hydraulic cylinder 622, sampling motor 612, the hydraulic circuit of water pump motor 613, with the watertight cable with motor 200 under water, detecting element and the on-board driving system, the controller is connected, can carry out remote automation control to hydraulic power device on the deck. Specifically, the oil tank 400 is provided with an oil line joint seat, a cable joint seat, an oil discharge seat, an oil supply seat, and an oil charging seat. One end of the oil joint seat is connected with each hydraulic control valve group in the oil storage tank 400, such as a motor control valve group 710, an oil cylinder control valve group 720 and a speed switching control valve group 730, and the other end is connected with an actuating element, such as a steering hydraulic oil cylinder 621, a lifting hydraulic oil cylinder 622, a walking motor 611, a sampling motor 612 and a water pump motor 613. One end of the cable connector is connected with each control valve and detection element of each hydraulic control valve group, such as a pressure sensor 810, a displacement sensor 820, a rotating speed sensor 830 and a leakage switch 850, and the other end is connected with a power system and a controller on a deck, and is used for controlling each execution element and realizing various actions required by ocean detection equipment.
(3) The oil is filled in the oil reservoir 400 and the air in the oil reservoir 400 is completely removed by the air discharge joint 410.
(4) Will the utility model provides a hydraulic power device sends into the environment of surveying under water along with the ocean exploration equipment together, and the oil storage tank 400 that the increase of the submarine depth of ocean exploration equipment arouses and the internal and external pressure differential of motor 200 will be through the deformation of fluid compensator 500 and keep balance under water.
(5) Ocean detection equipment dives the back that targets in place, receives the control instruction back that the controller sent on the deck, and motor 200 starts under water, the utility model provides a hydraulic power device begins work.
Specifically, after receiving the walking instruction, the motor control valve group 710 and the cylinder control valve group 720 respectively control the left walking motor 611, the right walking motor 611 and the steering hydraulic cylinder 621 to drive the detection device to move forward, move backward and turn to reach the designated position. After receiving the speed switching command of the hydraulic motor, the speed switching control valve group controls the left and right traveling motors 611 to perform traveling speed conversion.
After receiving the sampling instruction, the cylinder control valve group 720 and the motor control valve group 710 respectively control the lifting hydraulic cylinder 622 and the sampling motor 612 to move, so as to realize the lifting, descending and rotating actions of the sampler. The extension and retraction lengths of the piston rod are detected by a displacement sensor 820 inside the lifting hydraulic cylinder 622.
In the above process, the volume change due to the differential motion of the steering hydraulic cylinder 621 and the lifting hydraulic cylinder 622 is compensated by the oil compensator 500.
(6) During the recovery process of the marine exploration equipment, the pressure difference between the inside and the outside of the oil storage tank 400 and the underwater motor 200 caused by the decrease in the submergence depth is balanced by the deformation of the oil compensator 500. In addition, in the recovery process of the ocean exploration equipment, as the submergence depth becomes smaller, the walking motor 611 and the sampling motor 612 are decompressed through the decompression overflow valve 900 on the motor oil decompression bypass, so that the internal pressure and the external pressure of the walking motor 611 and the internal pressure and the external pressure of the sampling motor 612 are balanced when the submergence depth changes.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above-mentioned specific embodiments can not be regarded as the restriction to the protection scope of the present invention, to the technical personnel in this technical field, it is right that any replacement improvement or transformation that the embodiment of the present invention made all fall within the protection scope of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. A hydraulic power device suitable for being applied in deep water is characterized by comprising a base, and an underwater motor, a hydraulic oil pump, an oil storage tank, an oil compensator, a hydraulic execution element and a hydraulic control valve group which are arranged on the base, wherein an oil cavity of the underwater motor is filled with oil, and the motor cavity is communicated with the oil storage tank;
the underwater motor is in transmission connection with the hydraulic oil pump, the hydraulic oil pump is used for supplying oil in the oil storage tank to the hydraulic actuating element and the hydraulic control valve bank, the hydraulic actuating element is used for driving the ocean detection equipment and the sampler to move, and the hydraulic control valve bank is used for controlling the opening and closing of a hydraulic oil path between the hydraulic actuating element and the hydraulic oil pump;
the oil compensator is provided with an oil cavity communicated with the oil storage tank, the oil cavity is surrounded by an elastic bag wall, and the oil compensator is exposed in water.
2. A hydraulic power unit adapted for deep water applications according to claim 1, wherein the top of the reservoir is provided with a vent connection.
3. A hydraulic power unit adapted for deep water applications according to claim 1 wherein a protective cover is provided on the outside of the oil compensator.
4. The hydraulic power unit for deep water applications of claim 1, wherein the hydraulic actuators comprise a plurality of hydraulic motors for driving the ocean exploration equipment to advance and retreat and the sampler to rotate, and a plurality of hydraulic cylinders for driving the ocean exploration equipment to turn and the sampler to ascend and descend.
5. The hydraulic power unit adapted for application in deep water of claim 4, further comprising a sensing element and a controller, wherein the controller controls the action of the hydraulic control valve set according to a signal of the sensing element, and the sensing element comprises:
the pressure sensors are arranged at the outlet of the hydraulic oil pump, the outlet of the hydraulic control valve group and the hydraulic motor;
the displacement sensor is arranged on the hydraulic oil cylinder;
a rotation speed sensor provided on the hydraulic motor;
a temperature sensor disposed within the oil reservoir;
or leakage switches arranged in the oil storage tank and the underwater motor.
6. The hydraulic power unit as claimed in claim 4, wherein the hydraulic motor comprises a walking motor for driving the ocean exploration equipment to move forward and backward and a sampling motor for driving the sampler to rotate, and the hydraulic cylinders comprise a steering hydraulic cylinder for driving the ocean exploration equipment to turn and a lifting hydraulic cylinder for driving the sampler to lift.
7. The hydraulic power unit suitable for deep water application according to claim 6, wherein the hydraulic oil pump is a dual pump, the dual pump comprises a main pump and an auxiliary pump, the main pump supplies oil to the walking motor and the sampling motor, and the auxiliary pump supplies oil to the hydraulic oil cylinder and the hydraulic control valve group.
8. The hydraulic power unit suitable for deep water application according to claim 4, wherein the hydraulic control valve group comprises a motor control valve group, a hydraulic cylinder control valve group and a speed switching control valve group, wherein the motor control valve group and the hydraulic cylinder control valve group are respectively used for controlling opening and closing of a hydraulic oil path between the hydraulic motor, the hydraulic oil cylinder and the hydraulic oil pump, and the speed switching control valve group is used for controlling the rotating speed of the hydraulic motor.
9. The hydraulic power unit suitable for deep water applications of claim 5, wherein the hydraulic oil pump, the hydraulic control valve set and the detection element are arranged in an oil storage tank, and the actuating element and the underwater motor are arranged outside the oil storage tank.
10. The hydraulic power unit suitable for being applied in deep water of claim 6, further comprising a plurality of motor oil pressure relief bypasses, wherein the motor oil pressure relief bypasses are respectively connected between the walking motor, the sampling motor and the oil storage tank, and a pressure relief overflow valve is arranged on the motor oil pressure relief bypasses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120462692.7U CN214465191U (en) | 2021-03-03 | 2021-03-03 | Hydraulic power device suitable for application in deep water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120462692.7U CN214465191U (en) | 2021-03-03 | 2021-03-03 | Hydraulic power device suitable for application in deep water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465191U true CN214465191U (en) | 2021-10-22 |
Family
ID=78152321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120462692.7U Active CN214465191U (en) | 2021-03-03 | 2021-03-03 | Hydraulic power device suitable for application in deep water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465191U (en) |
-
2021
- 2021-03-03 CN CN202120462692.7U patent/CN214465191U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2310665B1 (en) | Wave actuated pump and means of connecting same to the seabed | |
| CN101870351B (en) | Deep-sea oil-pocket buoyancy regulation device | |
| CN109334929B (en) | Automatic underwater buoyancy adjusting device and using method thereof | |
| CN110901866B (en) | Rapid buoyancy adjusting system for small and medium-sized underwater unmanned aircraft | |
| CN108454810A (en) | A kind of huge discharge buoyancy regulating system suitable for deep-sea high-pressure environment | |
| CN107618643A (en) | A kind of big specific capacity buoyancy adjustment, emergency self-saving integrated device and submersible | |
| CN104670442B (en) | Modular buoyancy control unit for autonomous underwater vehicles | |
| CN108454809A (en) | A kind of automatic buoyancy of double-pump type and attitude regulating mechanism | |
| CN211810092U (en) | Mechanical timing release device applied in full sea depth | |
| CN108956202A (en) | A kind of water quality sampling submariner device with depth measurement function | |
| CN108609146B (en) | Pressure compensation device capable of being used in underwater environment | |
| CN112124539A (en) | Buoyancy adjusting device for large-depth underwater robot | |
| CN214465191U (en) | Hydraulic power device suitable for application in deep water | |
| CN108791693B (en) | Underwater deformation displacement compensation system | |
| WO2023197958A1 (en) | Pressure-resistant cabin for deep-sea mobile operation apparatus, underwater mining vehicle, and underwater mobile robot | |
| CN115539467B (en) | Deep sea hydraulic pile hammer gas-liquid combined pressure compensation device | |
| CN105715608A (en) | Underwater hydraulic linear cylinder mechanism with position feedback function | |
| CN209209004U (en) | A kind of autonomous type underwater robot weight balancing device | |
| CN102490875B (en) | Storm-resistant submerged floating control device and method for aquatic platform | |
| CN102367063B (en) | Bellow fuel tank | |
| CN213323623U (en) | Buoyancy adjusting device for large-depth underwater robot | |
| RU2555927C2 (en) | Sealing system with pressure compensation for rotation of movement shaft | |
| CN209305805U (en) | Modularization buoyancy regulating device for deep-sea | |
| US3665884A (en) | Submersible vehicle buoyancy control | |
| RU2789617C2 (en) | Method and devices for increasing deep water, passability, efficiency, universality of vehicles, efficiency of works on ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |