CN219673919U - Hydraulic motor special for deepwater operation - Google Patents
Hydraulic motor special for deepwater operation Download PDFInfo
- Publication number
- CN219673919U CN219673919U CN202320936170.5U CN202320936170U CN219673919U CN 219673919 U CN219673919 U CN 219673919U CN 202320936170 U CN202320936170 U CN 202320936170U CN 219673919 U CN219673919 U CN 219673919U
- Authority
- CN
- China
- Prior art keywords
- hydraulic motor
- oil
- cavity
- pressure compensation
- hydraulic
- 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
- 239000003921 oil Substances 0.000 claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 22
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Motors (AREA)
Abstract
The utility model relates to a hydraulic motor special for deep water operation, which belongs to the technical field of hydraulic motors. When the hydraulic motor works in deep water, water can pass through the water inlet hole, so that the rubber bag drives hydraulic oil in the cavity of the oil pressure compensation box to enter the oil cavity of the hydraulic motor, the hydraulic motor is subjected to oil pressure compensation, damage to the oil cavity by deep water high pressure is avoided, and a plurality of bearing lubricating devices are sleeved on the shaft body of the rotating shaft, so that the rotating axial stress and the rotating radial stress are reduced, the hydraulic motor only bears torque, and the hydraulic motor is further protected.
Description
Technical Field
The utility model relates to the technical field of hydraulic motors, in particular to a hydraulic motor special for deepwater operation.
Background
A hydraulic motor is an actuator of a hydraulic system that converts the hydraulic pressure energy provided by a hydraulic pump into mechanical energy of its output shaft. When the common cycloid hydraulic motor is used, the stator and rotor parts of the oil pump consist of an inner gear ring and a gear or rotor matched with the inner gear ring. The inner gear ring is fixedly connected with the shell, and oil entering from the oil port pushes the rotor to revolve around a central point.
For example, when the cycloid hydraulic motor GH200 works in deep water, the water pressure is increased along with the change of the water depth, and the internal and external pressure of the lubricating oil cavity of the bearing can be balanced due to lack of the lubricating oil cavity, so that the lubricating oil cavity is damaged by the high pressure of the deep water.
Disclosure of Invention
In order to solve the problem that the deep water high pressure damages the lubricating oil cavity due to the fact that the internal and external pressure of the lubricating oil cavity of the bearing is balanced due to the lack of the lubricating oil cavity with the water depth along with the change of the water depth, the utility model provides the following technical scheme:
the hydraulic motor special for deepwater work comprises a hydraulic motor for providing power, wherein an oil pressure compensation device for compensating the oil pressure of the hydraulic motor in deepwater is fixedly arranged on a shell of the hydraulic motor;
the hydraulic motor comprises a rotating shaft used for rotating, a first lubricating bearing device and a second lubricating bearing device used for rotating the rotating shaft are sleeved on a shaft body of the rotating shaft, and the second lubricating bearing device is located below the first lubricating bearing device.
The oil pressure compensation device comprises an oil pressure compensation box for storing hydraulic oil, a compensation oil hole for allowing the hydraulic oil to flow into a cavity of the hydraulic motor is formed in the upper side wall body of the box body of the oil pressure compensation box, a rubber bag for moving is movably connected to the inner wall of the box cavity of the oil pressure compensation box, the cavity of the oil pressure compensation box is divided into two parts by the rubber bag, and a water inlet hole for allowing the water to flow into the lower part cavity of the oil pressure compensation box is formed in the lower side wall body of the oil pressure compensation box.
Further, the material of rubber bag is corrosion-resistant rubber material, the shape of rubber bag is square bag, and the width of rubber bag is the same with the case chamber of oil pressure compensation case lubricating bearing device one including being used for carrying out the sealing washer sealed to hydraulic motor's cavity, the cover is equipped with the bearing that is used for supporting the rotation of rotation axis on the axis body of rotation axis, the outside cover of bearing is used for supporting rotatory bearing to the bearing housing.
Further, the first lubricating bearing device comprises a sealing ring for sealing a cavity of the hydraulic motor, a bearing for supporting the rotation of the rotation shaft is sleeved on a shaft body of the rotation shaft, and a bearing for supporting and rotating the bearing sleeve is sleeved on the outer side of the bearing.
Further, an oil inlet hole for hydraulic oil to enter the cavity of the hydraulic motor is formed in the shell of the hydraulic motor, the oil inlet hole is a threaded hole, an oil outlet hole for hydraulic oil in the cavity of the hydraulic motor to flow out is formed in the shell of the hydraulic motor, and the size of the oil outlet hole is the same as that of the oil inlet hole.
Further, a compensation device oil inlet hole for allowing hydraulic oil in a tank cavity of the oil pressure compensation tank to enter the cavity of the hydraulic motor is formed in the shell of the hydraulic motor, the compensation device oil inlet hole is a threaded hole, a hose for allowing hydraulic oil in the tank cavity of the oil pressure compensation tank to enter the cavity of the hydraulic motor is connected in a threaded mode in a hole cavity of the compensation device oil inlet hole, and the other end of the hose is connected with the compensation oil hole in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the hydraulic motor works in deep water, water can enter the cavity of the lower part of the oil pressure compensation box through the water inlet hole, the water can bulge the rubber bag to drive hydraulic oil in the cavity of the lower part of the oil pressure compensation box, and the hydraulic oil enters the oil cavity of the hydraulic motor through the hose to carry out oil pressure compensation on the hydraulic motor, so that the pressure in the oil cavity of the hydraulic motor is not greatly different from the pressure in the deep water, the internal pressure and the external pressure of the lubricating oil cavity of the bearing can be balanced, and the damage of deep water high pressure to the lubricating oil cavity is avoided
2. The shaft body of the rotating shaft is sleeved with the bearing lubricating devices, so that the axial and radial stress of the rotation is reduced, the hydraulic motor only bears torque, and the hydraulic motor is further protected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
FIG. 5 is a schematic diagram of an oil pressure compensating device according to the present utility model.
In the drawings, the list of part names represented by the reference numerals is as follows:
100-hydraulic motor, 200-oil pressure compensation device, 110-rotating shaft, 120-oil inlet hole, 130-oil outlet hole, 140-compensation device oil inlet hole, 150-lubrication bearing device I, 151-sealing ring, 152-bearing sleeve, 153-bearing, 160-lubrication bearing device II, 210-oil pressure compensation box, 220-compensation oil hole, 230-water inlet hole, 240-rubber bag and 011-hose.
Detailed Description
Preferred embodiments for carrying out the present utility model are described in detail below, and a clear and complete description thereof is provided with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model is directed to an improved hydraulic motor special for deepwater work, which is a cycloidal hydraulic motor GH 200.
When the cycloid hydraulic motor GH200 works in deep water, the water pressure is also enhanced along with the change of the water depth, and the internal and external pressure of the lubricating oil cavity of the bearing can be balanced due to lack of the lubricating oil cavity, so that the lubricating oil cavity is damaged by the high pressure of the deep water. Comprises a hydraulic motor 100 for providing power, and an oil pressure compensation device 200 for oil pressure compensation of the hydraulic motor 100 in deep water is fixedly arranged on a shell of the hydraulic motor 100.
The hydraulic motor 100 includes a rotation shaft 110 for rotation, and the rotation shaft 110 is movably inserted into an oil chamber of the hydraulic motor 100. The shaft body of the rotating shaft 110 is sleeved with a first lubrication bearing device 150 and a second lubrication bearing device 160 for rotating the rotating shaft 110, and the second lubrication bearing device 160 is positioned below the first lubrication bearing device 150. The first lubrication bearing device 150 and the second lubrication bearing device 160 are both positioned in the oil cavity of the hydraulic motor 100, so that a plurality of lubrication bearing devices are sleeved on the shaft body of the rotating shaft 110, and further the axial and radial stress of the rotating shaft of the hydraulic motor 100 is reduced, so that the hydraulic motor 100 only bears torque, the hydraulic motor 100 is further protected, and the service life of the hydraulic motor 100 is prolonged.
The first lubrication bearing device 150 includes a sealing ring 151 for sealing the cavity of the hydraulic motor 100, and the sealing ring 151 is an O-ring, so as to be conveniently sleeved on the shaft body of the rotating shaft 110, and seal the oil cavity of the hydraulic motor 100. The shaft body of the rotary shaft 110 is provided with a bearing 153 for supporting the rotary shaft 110 to rotate through a key connecting sleeve, and the outer side of the bearing 153 is sleeved with the bearing 153 for supporting the bearing sleeve 152 to rotate.
An oil inlet hole 120 for hydraulic oil to enter the cavity of the hydraulic motor 100 is formed in the shell of the hydraulic motor 100, and the oil inlet hole 120 is a threaded hole. The casing of the hydraulic motor 100 is provided with an oil outlet 130 for outflow of hydraulic oil in the cavity of the hydraulic motor 100, and the size of the oil outlet 130 is the same as that of the oil inlet 120. When the operator needs the hydraulic motor 100 to perform the deepwater work, the operator needs to unscrew the bolts positioned in the cavities of the oil inlet holes 120 and connect with the hydraulic tank through the corrosion-resistant rubber pipe. And then is connected with the hydraulic tank through a corrosion-resistant rubber pipe by screwing out the bolt in the cavity of the oil outlet 130. The rotation shaft 110 is rotated by the flow of hydraulic oil in the oil chamber of the hydraulic motor 100, thereby driving the desired device to rotate. The shell of the hydraulic motor 100 is provided with a compensating device oil inlet hole 140 for hydraulic oil in a tank cavity of the oil pressure compensating tank 210 to enter the cavity of the hydraulic motor 100, the compensating device oil inlet hole 140 is a threaded hole, a hose 010 for hydraulic oil in the tank cavity of the oil pressure compensating tank 210 to enter the cavity of the hydraulic motor 100 is screwed in a cavity of the compensating device oil inlet hole 140, and the other end of the hose 010 is connected with the compensating oil hole 220 in a screwed mode.
The oil pressure compensating device 200 includes an oil pressure compensating tank 210 for compensating for a pressure difference in an oil chamber of the hydraulic motor 100, and the oil pressure compensating tank 210 is fixed to a wall of the hydraulic motor 100 by bolts. The upper sidewall of the oil pressure compensating tank 210 is provided with a compensating oil hole 220 for hydraulic oil flowing into the cavity of the hydraulic motor 100, and the size and shape of the compensating oil hole 220 is the same as the compensating device oil inlet hole 140, so that the oil pressure compensating tank 210 is conveniently connected with the cavity of the hydraulic motor 100 through the hose 010.
The inner wall of the cavity of the hydraulic compensation tank 210 is movably connected with a rubber bag 240 for moving, the rubber bag 240 divides the cavity of the hydraulic compensation tank 210 into two parts, and the rubber bag 240 is made of corrosion-resistant rubber. The shape of the rubber bag 240 is a square bag, and the width of the rubber bag 240 is the same as the tank cavity of the oil pressure compensating tank 210. The lower side wall of the oil pressure compensating tank 210 is provided with a water inlet 230 for allowing water to flow into the cavity of the lower part of the oil pressure compensating tank 210. When an operator puts the hydraulic motor 110 into deep water, water can enter a partial cavity below the oil pressure compensation box 210 through the water inlet hole 230, and the water can bulge the rubber bag 240, so that hydraulic oil in the partial cavity below the oil pressure compensation box 210 is driven to enter an oil cavity of the hydraulic motor 100 through the hose 010, the hydraulic motor 100 is subjected to oil pressure compensation, the pressure in the oil cavity of the hydraulic motor 100 is slightly different from the pressure in deep water, the internal pressure and the external pressure of the lubricating oil cavity of the bearing are balanced, the damage of deep water high pressure to the lubricating oil cavity is avoided, and water is prevented from entering the oil cavity of the hydraulic motor 100 due to overlarge external pressure.
Based on the above description and the drawings, one skilled in the art will be able to understand and practice the present utility model. Furthermore, any non-inventive modifications to the present utility model that would not be made by a person skilled in the art without the inventive effort would still fall within the scope of the present utility model.
Claims (5)
1. A hydraulic motor for deepwater work, comprising a hydraulic motor (100) for providing power, characterized in that: an oil pressure compensation device (200) for oil pressure compensation of the hydraulic motor (100) in deep water is fixedly arranged on the shell of the hydraulic motor (100);
the hydraulic motor (100) comprises a rotating shaft (110) for rotating, a first lubrication bearing device (150) and a second lubrication bearing device (160) for rotating the rotating shaft (110) are sleeved on a shaft body of the rotating shaft (110), and the second lubrication bearing device (160) is positioned below the first lubrication bearing device (150);
the oil pressure compensation device (200) comprises an oil pressure compensation box (210) for storing hydraulic oil, a compensation oil hole (220) for enabling the hydraulic oil to flow into a cavity of the hydraulic motor (100) is formed in the upper side wall body of the box body of the oil pressure compensation box (210), a rubber bag (240) for moving is movably connected to the inner wall of the box cavity of the oil pressure compensation box (210), the cavity of the oil pressure compensation box (210) is divided into two parts by the rubber bag (240), and a water inlet hole (230) for enabling the water to flow into the lower part cavity of the oil pressure compensation box (210) is formed in the lower side wall body of the oil pressure compensation box (210).
2. The deepwater work-dedicated hydraulic motor as set forth in claim 1, wherein: the rubber bag (240) is made of corrosion-resistant rubber, the shape of the rubber bag (240) is a square bag, and the width of the rubber bag (240) is the same as the box cavity of the oil pressure compensation box (210).
3. The deepwater work-dedicated hydraulic motor as set forth in claim 1, wherein: the first lubricating bearing device (150) comprises a sealing ring (151) for sealing a cavity of the hydraulic motor (100), a bearing (153) for supporting the rotation of the rotation shaft (110) is sleeved on a shaft body of the rotation shaft (110), and a bearing (153) for supporting and rotating a bearing sleeve (152) is sleeved on the outer side of the bearing (153).
4. A deepwater work-dedicated hydraulic motor as claimed in claim 3, wherein: an oil inlet (120) for allowing hydraulic oil to enter the cavity of the hydraulic motor (100) is formed in the shell of the hydraulic motor (100), the oil inlet (120) is a threaded hole, an oil outlet (130) for allowing hydraulic oil in the cavity of the hydraulic motor (100) to flow out is formed in the shell of the hydraulic motor (100), and the size of the oil outlet (130) is the same as that of the oil inlet (120).
5. The deepwater work-dedicated hydraulic motor as set forth in claim 4, wherein: a compensation device oil inlet hole (140) for allowing hydraulic oil in a tank cavity of an oil pressure compensation tank (210) to enter a cavity of the hydraulic motor (100) is formed in a shell of the hydraulic motor (100), the compensation device oil inlet hole (140) is a threaded hole, a hose (010) for allowing hydraulic oil in the tank cavity of the oil pressure compensation tank (210) to enter the cavity of the hydraulic motor (100) is connected in a threaded mode in a cavity of the compensation device oil inlet hole (140), and the other end of the hose (010) is connected with a compensation oil hole (220) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936170.5U CN219673919U (en) | 2023-04-24 | 2023-04-24 | Hydraulic motor special for deepwater operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936170.5U CN219673919U (en) | 2023-04-24 | 2023-04-24 | Hydraulic motor special for deepwater operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673919U true CN219673919U (en) | 2023-09-12 |
Family
ID=87894724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320936170.5U Active CN219673919U (en) | 2023-04-24 | 2023-04-24 | Hydraulic motor special for deepwater operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673919U (en) |
-
2023
- 2023-04-24 CN CN202320936170.5U patent/CN219673919U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107605695B (en) | Driving device for slurry pump of double-wheel slot milling machine | |
| CN201031800Y (en) | Submerged pump | |
| CN208882094U (en) | Shaftless hydraulic-driven propeller | |
| CN219673919U (en) | Hydraulic motor special for deepwater operation | |
| CN111810440B (en) | Centrifugal water pump | |
| CN206571619U (en) | A kind of axle valve flow distribution cycloid hydraulic motor | |
| CN100430191C (en) | Underwater mechanical wrist part structure for strong-operation underwater robot | |
| CN201747626U (en) | Composite water pump | |
| CN107339192A (en) | A kind of big radial load support shaft distributing cycloid hydraulic motor | |
| CN204140136U (en) | Vaned deceleration pneumatic motor | |
| CN102628435A (en) | Hydraulic power unit including centrifugal pump and vane pump in motor | |
| CN207892849U (en) | Liquid energy recovered water pump and its liquid energy recovery system | |
| CN215908063U (en) | Single-stage double-suction horizontal slurry pump | |
| CN215949951U (en) | Water pump with detachable belt pulley | |
| CN215719532U (en) | Horizontal split type multistage centrifugal pump | |
| CN108869306A (en) | Horizontal double sucking pump is opened in double containment level | |
| CN209875479U (en) | Coaxial symmetrically-arranged multistage hydraulic turbine direct-drive pump | |
| CN207960981U (en) | Centrifugal supercharger device | |
| CN207349108U (en) | A kind of coolant pump assembly for diesel engine | |
| CN111623100A (en) | Single-cavity speed-regulating type hydraulic coupler | |
| CN206397728U (en) | Hollow shaft screw pump | |
| CN210830360U (en) | Hydraulic coupling with simple structure | |
| CN212959258U (en) | Circulation type pitot tube pump | |
| CN205078465U (en) | Submersible pump for well | |
| CN219672906U (en) | Multipurpose double-suction centrifugal pump for energy recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |