CN216687249U - Hydraulic multi-motor driving system - Google Patents
Hydraulic multi-motor driving system Download PDFInfo
- Publication number
- CN216687249U CN216687249U CN202123350264.4U CN202123350264U CN216687249U CN 216687249 U CN216687249 U CN 216687249U CN 202123350264 U CN202123350264 U CN 202123350264U CN 216687249 U CN216687249 U CN 216687249U
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- hydraulic
- branch pipe
- hydraulic motor
- oil
- stop valve
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- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 41
- 230000000694 effects Effects 0.000 description 3
- 230000003578 releasing effect Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a hydraulic multi-motor driving system which is small in size, large in power and stable in operation, and comprises at least two same hydraulic motors and a planetary gear box, wherein a first oil inlet and outlet of each hydraulic motor is connected with a first oil supply pipeline through a first branch pipe provided with a stop valve, a second oil inlet and outlet of each hydraulic motor is connected with a second oil supply pipeline through a second branch pipe provided with a stop valve, an oil discharge port of each hydraulic motor is connected with an oil discharge main pipe through an oil discharge branch pipe provided with a check valve, and a fault isolation loop with a first stop valve is arranged between the first oil inlet and outlet of each hydraulic motor and the second oil inlet and outlet of each hydraulic motor; and a balance pipeline is further arranged between the first branch pipe and the second branch pipe on one side of the stop valve, which is far away from the hydraulic motor, and a balance valve group which flows from the second branch pipe to the first branch pipe in a one-way mode is arranged on the balance pipeline.
Description
Technical Field
The utility model relates to a hydraulic multi-motor drive system.
Background
The anchor machine is mainly used for anchoring and breaking down the ship anchor on the ship, plays an important role on the ship and is one of essential important devices. With the development of shipbuilding technology, ships develop towards large-scale, and the requirement on the load of the anchor and mooring machine is higher and higher.
A small-sized combined hydraulic anchor machine is disclosed in Chinese patent CN2860999Y, which discloses a small-sized combined hydraulic anchor machine mainly comprising a chassis and a gear box, and is characterized in that the chassis is provided with the gear box, a planetary gear in the gear box is connected with a hydraulic motor through a small shaft, the planetary gear is meshed with a central gear, the central gear is arranged on an output shaft of the central gear, the middle of the output shaft of the central gear is provided with a stranded cable drum, and the other end of the output shaft of the central gear is connected with a reeling device.
Also, as disclosed in chinese patent CN208344497U, "a combined hydraulic anchor machine" discloses a combined hydraulic anchor machine base, which is characterized in that a wall frame assembly a and a wall frame assembly B are fixed above the base and arranged in pairs, the wall frame assembly a and the wall frame assembly B are connected through a central gear output shaft assembly, a brake device and an anchor sprocket are installed between the wall frame assembly a and the wall frame assembly B, a cable reel is installed inside the wall frame assembly B near the right side, and a hydraulic motor and a reduction transmission device are installed between the left side of the cable reel and the wall frame assembly B.
As mentioned above, most of the hydraulic windlasses on the market are driven by a single motor, the gear box in the structural form is large, the stress of the gear is uneven, and the power of the gear cannot meet the requirement of large load of a ship.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the hydraulic multi-motor driving system is small in size, large in power and stable in operation.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the hydraulic multi-motor driving system comprises at least two same hydraulic motors and a planetary gear box which are arranged in parallel, wherein the number of the planetary gears in the planetary gear box is the same as that of the hydraulic motors, the output shaft of each hydraulic motor is connected with one input planetary gear of the planetary gear box, and the output shaft of a central gear of the planetary gear box is used as a power output element; a first oil inlet and outlet of the hydraulic motor is connected with a first oil supply pipeline through a first branch pipe provided with a stop valve, a second oil inlet and outlet of the hydraulic motor is connected with a second oil supply pipeline through a second branch pipe provided with the stop valve, an oil discharge port of the hydraulic motor is connected with an oil discharge main pipe through an oil discharge branch pipe provided with a one-way valve, and a fault isolation loop with a first stop valve is arranged between the first oil inlet and outlet of the hydraulic motor and the second oil inlet and outlet of the hydraulic motor; and a balance pipeline is further arranged between the first branch pipe and the second branch pipe on one side of the stop valve, which is far away from the hydraulic motor, and a balance valve group which flows from the second branch pipe to the first branch pipe in a one-way mode is arranged on the balance pipeline.
Preferably, a pressure equalizing communication pipeline is arranged between the first branch pipes at the position far away from the middle of the stop valve and the balance pipeline.
Preferably, a communication pipeline with a safety valve is arranged between the first branch pipe and the second branch pipe on one side, away from the hydraulic motor, of the stop valve.
Preferably, the number of the hydraulic motors is 4.
The utility model has the beneficial effects that:
1. this system replaces single hydraulic motor through a plurality of parallelly connected hydraulic motor, distributes to each hydraulic motor through planetary gear case with the power that needs in the equipment course of working on, and power transmission is steady, can satisfy the requirement of heavy load, has reduced gear case and hydraulic motor's volume greatly to the mechanical dimension of equipment has been reduced.
2. In this system, when a certain hydraulic motor breaks down and can't run, only need open stop valve one, close two trip valves, keep apart the motor that breaks down, do not participate in the equipment operation process, remaining hydraulic motor continues normal work, has played the guard action to the system on the one hand, and on the other hand has overcome that only adopts a hydraulic motor that exists among the prior art, breaks down when hydraulic motor, leads to the unable moving limitation of whole equipment.
3. Each hydraulic motor loop is provided with a safety valve, when the oil inlet pressure of the hydraulic motor is too high or the hydraulic loop breaks down, the safety valves are communicated with the loop to release the pressure of the loop and protect the hydraulic motor.
4. Pressure-equalizing communication pipelines are arranged between the first branch pipes at positions far away from the cutoff valves and in the middle of the balance pipelines, so that the effect of balancing the pressure among the hydraulic motors can be achieved, the inlet pressure is kept consistent, and the service lives of the hydraulic motors and equipment are prolonged.
5. A fault isolation loop with a first stop valve is arranged between a first oil inlet and outlet of the hydraulic motor and a second oil inlet and outlet of the hydraulic motor; one side of keeping away from hydraulic motor at the trip valve between first branch pipe and the second branch pipe still is equipped with balanced pipeline, be equipped with the balanced valves of following the second branch pipe to the one-way circulation of first branch pipe on the balanced pipeline, when multi-motor actuating system is used for anchor machine equipment to put the anchor, balanced valves put through under the effect of high-pressure oil, hydraulic oil joins through balanced valves and the oil circuit that comes from the hydraulic motor oil-out, finally reach the first oil supply pipeline of multi-motor system, thereby reach balanced hydraulic motor traction force, and then reach the gentle release anchor chain, reduce the effect of impact.
Drawings
FIG. 1 is a schematic view of the mechanical connection of a multi-motor drive system to a sprocket assembly in an embodiment of the present invention.
FIG. 2 is a top view of the mechanical structure of the multi-motor drive system in an embodiment of the present invention.
FIG. 3 is a left side view of the mechanical structure of the multi-motor drive system in an embodiment of the present invention.
FIG. 4 is a right side view of the mechanical structure of the multi-motor drive system in an embodiment of the present invention.
Fig. 5 is a hydraulic schematic diagram of a multi-motor drive system in an embodiment of the present invention.
FIG. 6 is a hydraulic schematic diagram of a multi-motor drive system for use in retracting an anchor in accordance with an embodiment of the present invention.
FIG. 7 is a hydraulic schematic of a multi-motor drive system for use in anchoring in accordance with an embodiment of the present invention.
In the figure:
1. hydraulic motor 2, balance valve group 3 and safety valve
31. First stop valve 32, stop valve 33 and stop valve
4. Check valve 5, communicating pipe
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, the hydraulic multi-motor driving system comprises four identical hydraulic motors 1 and a planetary gear box which are arranged in parallel, wherein the number of the planetary gears in the planetary gear box is identical to that of the hydraulic motors 1, the output shaft of the hydraulic motor 1 is connected with one input planetary gear of the planetary gear box, and the central gear output shaft of the planetary gear box is used as a power output element; a first oil inlet and outlet of the hydraulic motor 1 is connected with a first oil supply pipeline through a first branch pipe provided with a stop valve 32, a second oil inlet and outlet of the hydraulic motor 1 is connected with a second oil supply pipeline through a second branch pipe provided with a stop valve 33, an oil discharge port of the hydraulic motor 1 is connected with an oil discharge main pipe through an oil discharge branch pipe provided with a check valve 4, and a fault isolation loop with a first stop valve 31 is arranged between the first oil inlet and outlet of the hydraulic motor 1 and the second oil inlet and outlet of the hydraulic motor 1; and a balance pipeline is also arranged between the first branch pipe and the second branch pipe on one side of the stop valves 32 and 33 far away from the hydraulic motor 1, and a balance valve group 2 and a one-way control valve 6 which flows from the second branch pipe to the first branch pipe in a one-way mode are arranged on the balance pipeline.
A pressure equalizing communication pipeline 5 is arranged between the first branch pipes at the position far away from the middle of the shut-off valve 32 and the balance pipeline. A communication line 5 with a safety valve 3 is arranged between the first branch pipe and the second branch pipe on the side of the shut-off valves 32, 33 away from the hydraulic motor 1.
The operation control method for the multi-motor driving system for driving the anchor chain wheel comprises two working conditions of anchor releasing and anchor retracting;
as shown in fig. 6, the operation control of the multi-motor driving system under the anchor-retracting working condition specifically includes the following steps:
s1-1: checking whether the first stop valve 31 is in a closed state and whether the stop valves 32 and 33 are in a connected state, if the first stop valve 31 and the stop valves 32 and 33 are in the normal state, entering S1-3, and if not, entering S1-2;
s1-2: closing the first stop valve 31, and opening the stop valves 32 and 33;
s1-3: the hydraulic pump driven by the external motor absorbs oil from the oil tank, high-pressure oil is injected into the hydraulic loop of the multi-motor driving system through the first oil supply pipeline, and the hydraulic motor 1 is started;
s1-4: high-pressure oil reaches the inlet of the hydraulic motor 1 through the stop valve 31 of the first branch pipe, low-pressure oil output by the outlet of the hydraulic motor 1 is gathered to the second oil supply pipeline through a pipeline, the hydraulic motor 1 is further driven to rotate together with the planetary gear, and the planetary gear drives the sun gear, the sun gear output shaft and the anchor chain wheel to transmit driving force to the anchor chain, so that the anchor chain is retracted.
As shown in fig. 7, under the anchor releasing condition, the operation control of the multi-motor driving system specifically includes the following steps:
s2-1: checking whether the first stop valve 31 is in a closed state and whether the stop valves 32 and 33 are in a connected state, if the first stop valve 31 and the stop valves 32 and 33 are in the normal state, entering S2-3, and if not, entering S2-2;
s2-2: closing the first stop valve 31, and opening the stop valves 32 and 33;
s2-3: the hydraulic pump driven by the external electric motor absorbs oil from the oil tank, high-pressure oil is injected into the hydraulic loop of the multi-motor driving system through a second oil supply pipeline, and the hydraulic motor 1 is started;
s2-4: the pressure oil flows through the cut-off valve 33 of the second branch pipe to reach the inlet of the hydraulic motor 1, and the outlet of the hydraulic motor 1 outputs low-pressure oil;
s2-5: the balance valve group 2 is communicated under the action of high-pressure oil, the hydraulic oil and the low-pressure oil from an oil outlet of the hydraulic motor 1 are gathered to the first oil supply pipeline through the balance valve group 2, the hydraulic motor 1 and the planetary gear in the system are further driven to rotate reversely, the planetary gear drives the sun gear, the sun gear output shaft and the anchor chain wheel to transmit driving force to the anchor chain, and therefore anchor releasing action is carried out.
The foregoing embodiments are illustrative only of the principles and utilities of the present invention, as well as some embodiments, and are not intended to limit the utility model; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (4)
1. Hydraulic pressure multimotor actuating system, its characterized in that: the hydraulic power output mechanism comprises at least two same hydraulic motors and a planetary gear box which are arranged in parallel, wherein the number of the planetary gears in the planetary gear box is the same as that of the hydraulic motors, an output shaft of each hydraulic motor is connected with one input planetary gear of the planetary gear box, and a central gear output shaft of the planetary gear box is used as a power output element; a first oil inlet and outlet of the hydraulic motor is connected with a first oil supply pipeline through a first branch pipe provided with a stop valve, a second oil inlet and outlet of the hydraulic motor is connected with a second oil supply pipeline through a second branch pipe provided with the stop valve, an oil discharge port of the hydraulic motor is connected with an oil discharge main pipe through an oil discharge branch pipe provided with a one-way valve, and a fault isolation loop with a first stop valve is arranged between the first oil inlet and outlet of the hydraulic motor and the second oil inlet and outlet of the hydraulic motor; and a balance pipeline is further arranged between the first branch pipe and the second branch pipe on one side of the stop valve, which is far away from the hydraulic motor, and a balance valve group which flows from the second branch pipe to the first branch pipe in a one-way mode is arranged on the balance pipeline.
2. The hydraulic multi-motor drive system of claim 1, wherein: and a pressure-equalizing communication pipeline is arranged between the first branch pipes at the position far away from the shut-off valve and in the middle of the balance pipeline.
3. The hydraulic multi-motor drive system of claim 1, wherein: and a communication pipeline with a safety valve is arranged between the first branch pipe and the second branch pipe on one side of the stop valve, which is far away from the hydraulic motor.
4. A hydraulic multi-motor drive system according to any one of claims 1-3, characterized in that: the number of the hydraulic motors is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123350264.4U CN216687249U (en) | 2021-12-28 | 2021-12-28 | Hydraulic multi-motor driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123350264.4U CN216687249U (en) | 2021-12-28 | 2021-12-28 | Hydraulic multi-motor driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216687249U true CN216687249U (en) | 2022-06-07 |
Family
ID=81845166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123350264.4U Expired - Fee Related CN216687249U (en) | 2021-12-28 | 2021-12-28 | Hydraulic multi-motor driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216687249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229730A (en) * | 2021-12-28 | 2022-03-25 | 江苏政田重工股份有限公司 | Hydraulic multi-motor driving system and operation control method for driving anchor chain wheel |
-
2021
- 2021-12-28 CN CN202123350264.4U patent/CN216687249U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229730A (en) * | 2021-12-28 | 2022-03-25 | 江苏政田重工股份有限公司 | Hydraulic multi-motor driving system and operation control method for driving anchor chain wheel |
| CN114229730B (en) * | 2021-12-28 | 2024-06-25 | 江苏政田重工股份有限公司 | Hydraulic multi-motor driving system and operation control method for driving anchor chain wheel |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |