Integrated oil supply device for forward and reverse transmission

Abstract

The application relates to an integrated oil supply device of a forward / reverse transmission device, and belongs to the field of ship power transmission system control. The device is used for solving the problem that the existing forward / reverse transmission device cannot control the working condition switching. The device comprises a cut-off valve, an oil supply electric pump, a filter, a pressure sensor, a temperature sensor and a flowmeter which are sequentially arranged on an oil tank oil supply port pipeline; a disengaging locking synchronous automatic clutch is connected with the oil tank oil supply port pipeline to control the movement of the oil cylinder on the side of the disengaging locking synchronous automatic clutch, realize the disengaging, combining and locking control of the disengaging locking synchronous automatic clutch; a friction clutch is connected with the oil tank oil supply port pipeline to control the lubricating oil and working oil supply of the friction clutch, realize the disengaging and combining control of the friction clutch; and a brake is connected with the oil tank oil supply port pipeline to control the lubricating oil and working oil supply of the brake, realize the disengaging and combining control of the brake. The application is used for realizing the reverse function of a ship.

Description

TECHNICAL FIELD

[0001] The application relates to an integrated oil supply device of a forward / reverse transmission device and belongs to the field of ship power transmission system control. BACKGROUND

[0002] With the development of ship technology, high-power ships become an indispensable ship type in future development. A gas engine becomes a main power form of a ship due to small volume and large power density, but the gas engine does not have a reverse rotation function, so a controllable pitch propeller is often used in cooperation with the gas engine, but the gas engine itself has limitations such as transmission efficiency and maintainability. Therefore, it is of great significance to realize the reverse rotation function of a ship by using a forward / reverse reduction gear to improve the maneuverability, operation efficiency and maintenance cycle of the ship, and the forward / reverse transmission device is of great significance as a key component for switching the working condition of the forward / reverse reduction gear. The existing forward / reverse transmission device does not have working condition switching control, so that the forward / reverse gear transmission device cannot realize the forward and reverse output functions under the premise that the input direction of the main engine is unchanged. SUMMARY

[0003] The application aims to solve the problem that the forward / reverse transmission device does not have working condition switching control, and provides an integrated oil supply device of a forward / reverse transmission device.

[0004] The integrated oil supply device of the forward / reverse transmission device comprises an oil tank, a stop valve, an oil supply electric pump, a filter, a pressure sensor, a temperature sensor, a flowmeter, a control branch of a disengaging and locking synchronous automatic clutch, a control branch of a friction clutch and a control branch of a brake.

[0005] The oil supply port pipeline of the oil tank is sequentially provided with the stop valve, the oil supply electric pump, the filter, the pressure sensor, the temperature sensor and the flowmeter.

[0006] The oil supply port pipeline of the oil tank is connected with the control branch of the disengaging and locking synchronous automatic clutch, the control branch of the friction clutch and the control branch of the brake.

[0007] The disengaging and locking synchronous automatic clutch is connected with the oil supply port pipeline of the oil tank, reaches the required pressure of the disengaging and locking synchronous automatic clutch, controls the movement of the side oil cylinder of the disengaging and locking synchronous automatic clutch, and realizes the disengaging, combining and locking control of the disengaging and locking synchronous automatic clutch.

[0008] The friction clutch is connected with the oil supply port pipeline of the oil tank, controls the lubricating oil and working oil supply of the friction clutch, and realizes the disengaging and combining control of the friction clutch.

[0009] The brake is connected with the oil supply port of the oil tank through a pipeline, and the lubricating oil and working oil of the brake are supplied to realize the disengagement and engagement control of the brake.

[0010] Preferably, the control branch of the disengagement locking synchronous automatic clutch comprises a first electromagnetic reversing valve.

[0011] After starting the oil supply electric pump, the oil supply of the oil tank flows through the stop valve, the oil supply electric pump, the filter, the pressure sensor, the temperature sensor, the flow meter and the first electromagnetic reversing valve in turn, and then passes through the second pressure regulating valve to adjust the pressure to meet the demand pressure of the disengagement locking synchronous automatic clutch.

[0012] Preferably, the control branch of the friction clutch comprises a second electromagnetic reversing valve, a third electromagnetic reversing valve, a first pressure reducing valve and a check valve.

[0013] After starting the oil supply electric pump, the corresponding second pressure regulating valve of the friction clutch starts to work, and the oil supply of the oil tank flows through the stop valve, the oil supply electric pump and the filter in turn, and then is divided into two paths, one path provides lubricating oil to the friction clutch through the pressure sensor, the temperature sensor and the flow meter, and the other path provides working oil to the friction clutch through the second electromagnetic reversing valve, the first pressure reducing valve, the check valve and the third electromagnetic reversing valve.

[0014] Preferably, the control branch of the brake comprises a second pressure reducing valve and a fourth electromagnetic reversing valve.

[0015] After starting the oil supply electric pump, the corresponding second pressure regulating valve of the brake starts to work, and the oil supply of the oil tank flows through the stop valve, the oil supply electric pump and the filter in turn, and then is divided into two paths, one path provides lubricating oil to the brake through the pressure sensor, the temperature sensor and the flow meter, and the other path provides working oil to the brake through the second pressure reducing valve and the fourth electromagnetic reversing valve.

[0016] Preferably, the control branch of the disengagement locking synchronous automatic clutch comprises two paths for controlling two disengagement locking synchronous automatic clutches respectively.

[0017] The control branch of the friction clutch comprises two paths for controlling two friction clutches respectively.

[0018] The control branch of the brake comprises two paths for controlling two brakes respectively.

[0019] Preferably, it further comprises an overflow valve, which is arranged on the branch of the connection point between the filter and the pressure sensor.

[0020] Preferably, it further comprises a return oil electric pump, which is arranged on the return oil port pipeline of the oil tank.

[0021] Preferably, the first electromagnetic reversing valve, the second electromagnetic reversing valve, the third electromagnetic reversing valve and the fourth electromagnetic reversing valve are the same, and all adopt a two-position four-way electromagnetic reversing valve to realize.

[0022] The advantage of the present application is that the integrated oil supply device of the forward and reverse transmission device realizes the synchronous automatic clutch, the friction torque brake and the friction clutch to provide lubricating oil and working oil control circuit, and realizes the conversion of the working condition of the forward and reverse transmission device. Furthermore, the forward and reverse transmission device realizes the forward and reverse output function under the premise that the input direction of the main engine is unchanged, and realizes the reverse operation of the ship when the direction of the main engine is unchanged, and can be applied to a 50MW bidirectional gear transmission device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the integrated oil supply device of the forward and reverse transmission device. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0026] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited by the present application.

[0027] Embodiment 1:

[0028] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited by the present application. Figure 1 The present application will be further described below with reference to the drawings and specific embodiments, but is not limited by the present application.

[0029] The oil supply port pipeline of the oil tank 3 is sequentially provided with the stop valve 4, the oil supply electric pump 5, the filter 7, the pressure sensor 9, the temperature sensor 10 and the flowmeter 12.

[0030] The oil supply port pipeline of the oil tank 3 is sequentially provided with the stop valve 4, the oil supply electric pump 5, the filter 7, the pressure sensor 9, the temperature sensor 10 and the flowmeter 12. The control branch of the disengaging and locking synchronous automatic clutch 13, the control branch of the friction clutch 14 and the control branch of the brake 15 are connected to the oil supply port pipeline of the oil tank 3.

[0031] The disengaging and locking synchronous automatic clutch 13 is connected with the oil supply port pipeline of the oil tank 3, reaches the required pressure of the disengaging and locking synchronous automatic clutch 13, controls the movement of the side oil cylinder of the disengaging and locking synchronous automatic clutch 13, and realizes the disengaging, combining and locking control of the disengaging and locking synchronous automatic clutch 13;

[0032] The friction clutch 14 is connected with the oil supply port pipeline of the oil tank 3, controls the lubricating oil and working oil supply of the friction clutch 14, and realizes the disengaging and combining control of the friction clutch 14;

[0033] The brake 15 is connected with the oil supply port pipeline of the oil tank 3, controls the lubricating oil and working oil supply of the brake 15, and realizes the disengaging and combining control of the brake 15.

[0034] Further, the control branch of the disengaging and locking synchronous automatic clutch 13 includes a first electromagnetic reversing valve 2-1;

[0035] After starting the oil supply electric pump 5, the oil supply of the oil tank 3 flows through the stop valve 4, the oil supply electric pump 5, the filter 7, the pressure sensor 9, the temperature sensor 10, the flow meter 12 and the first electromagnetic reversing valve 2-1 in turn, and then passes through the second-stage pressure regulating valve to adjust the pressure, so as to reach the required pressure of the disengaging and locking synchronous automatic clutch 13.

[0036] Further, the control branch of the friction clutch 14 includes a second electromagnetic reversing valve 2-2, a third electromagnetic reversing valve 2-3, a first pressure reducing valve 11-1 and a check valve 1;

[0037] After starting the oil supply electric pump 5, the corresponding second-stage pressure regulating valve of the friction clutch 14 starts to work, the oil supply of the oil tank 3 flows through the stop valve 4, the oil supply electric pump 5 and the filter 7 in turn, and then is divided into two paths, one path provides lubricating oil to the friction clutch 14 through the pressure sensor 9, the temperature sensor 10 and the flow meter 12, and the other path provides working oil to the friction clutch 14 through the second electromagnetic reversing valve 2-2, the first pressure reducing valve 11-1, the check valve 1 and the third electromagnetic reversing valve 2-3.

[0038] Further, the control branch of the brake 15 includes a second pressure reducing valve 11-2 and a fourth electromagnetic reversing valve 2-4;

[0039] After starting the oil supply electric pump 5, the corresponding second-stage pressure regulating valve of the brake 15 starts to work, the oil supply of the oil tank 3 flows through the stop valve 4, the oil supply electric pump 5 and the filter 7 in turn, and then is divided into two paths, one path provides lubricating oil to the brake 15 through the pressure sensor 9, the temperature sensor 10 and the flow meter 12, and the other path provides working oil to the brake 15 through the second pressure reducing valve 11-2 and the fourth electromagnetic reversing valve 2-4.

[0040] Further, the control branch of the disengaging and locking synchronous automatic clutch 13 includes two paths, respectively controlling two sets of disengaging and locking synchronous automatic clutches 13;

[0041] The control branch of the friction clutch 14 includes two paths, respectively controlling two sets of friction clutches 14;

[0042] The control branch of the brake 15 includes two paths, respectively controlling two sets of brakes 15.

[0043] Further, it further comprises an overflow valve 8, which is arranged on the branch of the connection point of the filter 7 and the pressure sensor 9.

[0044] Further, it further comprises an oil return electric pump 6, which is arranged on the oil return port pipeline of the oil tank 3.

[0045] Further, the first electromagnetic reversing valve 2-1, the second electromagnetic reversing valve 2-2, the third electromagnetic reversing valve 2-3 and the fourth electromagnetic reversing valve 2-4 are the same, and are realized by two-position four-way electromagnetic reversing valves.

[0046] Further, the integrated oil supply device of the forward and reverse transmission device further comprises a touch liquid crystal screen and a control module, the starting and stopping of the oil supply electric pump 5 and the oil return electric pump 6 are controlled through the touch liquid crystal screen and the control module, the temporary storage of oil for the whole control system is realized, and the excess lubricating oil is released. The touch liquid crystal screen is used for displaying and storing the pressure, flow and temperature data of the working oil circuit and the lubricating oil circuit, can display the working oil pressure, flow and temperature of the clutch and the brake, and the lubricating oil flow, lubricating oil temperature, pressure and flow of the clutch. The control module includes remote control and local control, the oil supply device has a switching switch for local control and remote control, and provides wiring terminals for all control functions, realizes remote control of all operation functions through the centralized control room, and the button function on the control box is invalid when the centralized control room is remotely controlled.

[0047] In the present application, the integrated oil supply device of the forward and reverse transmission device can provide two 1MPa friction clutches, lubricating oil, two 1.8-2.2MPa working oil, two 1MPa friction brake lubricating oil, two 1.8-2.2MPa friction brake working oil and two synchronous automatic clutch control oil for the forward and reverse transmission device. The combination, disengagement and switching function of multiple clutches can be realized at the same time.

[0048] In the present application, the two-position four-way electromagnetic reversing valves are used to control the connection and disconnection of the two friction clutches, the two friction brakes and the two disengaging and locking oil cylinders in the forward and reverse transmission device, and complete the switching of various operating conditions of the forward and reverse gear transmission device.

[0049] In the application, the highest oil supply pressure of the integrated oil supply device of the forward / reverse transmission device is 4.0 MPa, and the integrated oil supply device is provided with a filter, and the filtering accuracy can reach 25 μm, so that the lubricating oil entering the gear box is free of impurities that can wear the gear or bearing, and differential pressure indication and differential pressure alarm are configured, and flow, temperature, pressure sensors and other sensors are provided, so that the oil amount, oil temperature, oil pressure and other key parameters of each clutch can be displayed in real time, and the state of each working condition conversion component can be controlled.

[0050] The electric pump group of the integrated oil supply device is arranged above the temporary oil tank (vertical installation) or on the side (horizontal installation), and the floor area is as small as possible. The hydraulic elements of the control device should be mainly arranged on the upper part of the temporary oil tank. The oil inlet of the control device is connected to the oil inlet pipe of the test bench gear box, and the oil return flows into the temporary oil tank and is pumped back to the gear box oil sump or the oil return pipe by the oil pump.

[0051] The sensor output signals of the integrated oil supply device should be connected to the control box first, which is used for digital display of the control box, and terminals are provided for data acquisition of the test bench data acquisition system in the centralized control room. The sensor output signal terminals should be arranged in the control box, and all the sensors should have on-site numerical value display. The control box should be able to realize stable operation of local display and remote data acquisition of sensor output signals at the same time.

[0052] The integrated oil supply device is provided with a control box integrated with the temporary oil tank. The control box should be provided with necessary buttons, switches, indicator lights, air switches, AC contactors, relays and other elements; the control box should be provided with touch screens, PLC controllers and the like, and the control is mainly realized through the touch screen and PLC. The PLC stores all the sensor signals. The touch screen can display the numerical value and curve of all the sensor signals. The control box touch screen panel has the following operating functions: connection: corresponding to the energization of the electromagnetic valve coil. Disconnection: corresponding to the de-energization of the electromagnetic valve coil or the energization of the reverse coil, oil pump motor start / stop, emergency stop, after pressing the emergency stop button, the control box is de-energized, all the electromagnetic valves are de-energized, and the oil pump motor is de-energized. The control box has a switching switch for local control and remote control, and provides terminals for all control functions to realize remote control of all operating functions in the centralized control room. When the centralized control room is remotely controlled, the button function of the control box is invalid. The digital display information of the control box touch screen panel can display the working oil pressure, flow, temperature of the clutch and brake, the lubricating oil flow and the lubricating oil temperature, pressure and flow in real time. And alarm function can be provided, when the working oil pressure of the clutch and brake is lower than the alarm value, the working oil pressure of the clutch and brake is lower than the disconnection value, the lubricating oil temperature is high or low, the alarm signal can be provided locally or remotely.

[0053] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will be apparent to those skilled in the art that numerous modifications can be made within the scope of the present application as defined by the appended claims. It is intended that all such modification fall within the spirit and scope of the present application. It will be understood that the features described in connection with one embodiment can be used in connection with another embodiment.

Claims

1. An integrated oil supply device for a forward / reverse transmission, characterized by comprising: It comprises: The oil tank (3), the stop valve (4), the oil supply electric pump (5), the filter (7), the pressure sensor (9), the temperature sensor (10), the flowmeter (12), the control branch of the disengaging and locking synchronous automatic clutch (13), the control branch of the friction clutch (14) and the control branch of the brake (15); The oil supply inlet pipeline of the oil tank (3) is sequentially provided with the stop valve (4), the oil supply electric pump (5), the filter (7), the pressure sensor (9), the temperature sensor (10) and the flowmeter (12); The oil supply inlet pipeline of the oil tank (3) is connected with the control branch of the disengaging and locking synchronous automatic clutch (13), the control branch of the friction clutch (14) and the control branch of the brake (15); The disengaging and locking synchronous automatic clutch (13) is connected with the oil supply inlet pipeline of the oil tank (3), reaches the required pressure of the disengaging and locking synchronous automatic clutch (13), controls the movement of the side cylinder of the disengaging and locking synchronous automatic clutch (13), and realizes the disengaging, combining and locking control of the disengaging and locking synchronous automatic clutch (13); The friction clutch (14) is connected with the oil supply inlet pipeline of the oil tank (3), controls the lubricating oil and working oil supply of the friction clutch (14), and realizes the disengaging and combining control of the friction clutch (14); The brake (15) is connected with the oil supply inlet pipeline of the oil tank (3), controls the lubricating oil and working oil supply of the brake (15), and realizes the disengaging and combining control of the brake (15).

2. The integrated oil supply device of a forward / reverse transmission according to claim 1, characterized by The control branch of the disengaging and locking synchronous automatic clutch (13) comprises a first electromagnetic reversing valve (2-1); After starting the oil supply electric pump (5), the oil supply of the oil tank (3) sequentially flows through the stop valve (4), the oil supply electric pump (5), the filter (7), the pressure sensor (9), the temperature sensor (10), the flowmeter (12) and the first electromagnetic reversing valve (2-1), and then passes through the second-stage pressure regulating valve to adjust the pressure, so as to reach the required pressure of the disengaging and locking synchronous automatic clutch (13).

3. The integrated oil supply device of a forward / reverse transmission according to claim 1, characterized by The control branch of the friction clutch (14) comprises a second electromagnetic reversing valve (2-2), a third electromagnetic reversing valve (2-3), a first pressure reducing valve (11-1) and a check valve (1); After starting the oil supply electric pump (5), the corresponding second-stage pressure regulating valve of the friction clutch (14) starts to work, the oil supply of the oil tank (3) sequentially flows through the stop valve (4), the oil supply electric pump (5) and the filter (7), and then is divided into two paths, one path provides lubricating oil to the friction clutch (14) through the pressure sensor (9), the temperature sensor (10) and the flowmeter (12), and the other path provides working oil to the friction clutch (14) through the second electromagnetic reversing valve (2-2), the first pressure reducing valve (11-1), the check valve (1) and the third electromagnetic reversing valve (2-3).

4. The integrated oil supply device of a forward / reverse transmission according to claim 1, characterized by The control branch of the brake (15) comprises a second pressure reducing valve (11-2) and a fourth electromagnetic reversing valve (2-4); When the oil supply electric pump (5) is started, the corresponding secondary pressure regulating valve of the brake (15) starts to work, the oil supply of the oil tank (3) flows through the stop valve (4), the oil supply electric pump (5) and the filter (7) in turn, and then is divided into two ways, one way provides lubricating oil to the brake (15) through the pressure sensor (9), the temperature sensor (10) and the flowmeter (12), and the other way provides working oil to the brake (15) through the second pressure reducing valve (11-2) and the fourth electromagnetic reversing valve (2-4).

5. An integrated oil supply device for a forward / reverse transmission according to any one of claims 1 to 4, characterized in that, The control branch of the decoupling and locking synchronous automatic clutch (13) includes two ways, which control two decoupling and locking synchronous automatic clutches (13) respectively; The control branch of the friction clutch (14) includes two ways, which control two friction clutches (14) respectively; The control branch of the brake (15) includes two ways, which control two brakes (15) respectively.

6. An integrated oil supply device for a forward / reverse transmission according to claim 5, wherein It also includes a relief valve (8), which is arranged on the branch of the connection point of the filter (7) and the pressure sensor (9).

7. The integrated oil supply device of a forward / reverse transmission according to claim 5, wherein It also includes a return oil electric pump (6), which is arranged on the return oil port pipeline of the oil tank (3).

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