A structure and method for simultaneously supplying oil to two friction clutches

Abstract

A structure and method for supplying oil to two friction clutches at the same time. The present invention relates to a friction clutch oil supply structure and method. The present invention is to achieve the purpose of controlling two friction clutches at the same time, improving the compactness of the gear transmission device, rationally saving space, and reducing the weight of the gear transmission system. The oil inlet shaft is rotatably connected and installed in the clutch oil inlet seat. The friction clutch pressure oil inlet ring is inserted on the clutch oil inlet seat. The first oil inlet joint and the second oil inlet joint are respectively connected to the clutch oil inlet seat. The clutch oil inlet seat is processed with an oil return through hole. The first friction clutch pressure oil supply port, the second friction clutch pressure oil supply port and the friction clutch lubricating oil inlet port are processed on the oil inlet shaft. Step 1: the first oil inlet joint, the second oil inlet joint and the third oil inlet joint supply oil; Step 2: the first oil inlet joint works; Step 3: the second oil inlet joint works. Step 4: the third oil inlet joint works. The present invention belongs to the field of friction clutch work.

Description

Technical Field

[0001] The invention relates to a friction clutch oil supply structure and an oil supply method, and in particular to a structure and an oil supply method for simultaneously supplying oil to two friction clutches, and belongs to the working field of friction clutches. Background Art

[0002] With the development of ships, high-power ships are becoming an indispensable type of ship for future development. Gas turbines have the characteristics of small size and high power density, and are becoming the main power form of ships. However, they do not have the ability to reverse, so they often need to be coordinated with adjustable pitch propellers, but they themselves have limitations such as transmission efficiency and maintainability. Therefore, the forward and reverse reducers are used to realize the reverse function of the ship. In order to realize the forward and reverse switching function, the device is equipped with two series friction clutches. Therefore, it is necessary to provide an oil supply structure and oil supply method that can perform two series friction clutches. Summary of the invention

[0003] The present invention aims to simultaneously control two friction clutches, improve the compactness of the gear transmission device, reasonably save space, and reduce the weight of the gear transmission system, and further provides a structure and an oil supply method for simultaneously supplying oil to two friction clutches.

[0004] The technical solution adopted by the present invention to solve the above problems is:

[0005] A structure for simultaneously supplying oil to two friction clutches, comprising a first oil inlet joint, a second oil inlet joint, a third oil inlet joint, a sealing cover, a friction clutch pressure oil inlet ring, a clutch oil inlet seat, an oil inlet shaft, two sealing rings and two pressure oil sealing spacer rings; the oil inlet shaft is rotatably connected and installed in the clutch oil inlet seat, the friction clutch pressure oil inlet ring is inserted on the clutch oil inlet seat, the sealing cover is installed on the clutch oil inlet seat by bolts, the first oil inlet joint and the second oil inlet joint are respectively installed on the clutch oil inlet seat and are connected to the clutch oil inlet seat,

[0006] The clutch oil inlet seat is machined with an oil return through hole, which is connected to the clutch oil inlet seat through two oil drain ports. The oil inlet shaft is axially machined with a first friction clutch pressure oil supply port, a second friction clutch pressure oil supply port and a friction clutch lubricating oil inlet port. The outer wall of the first friction clutch pressure oil supply port is machined with a first annular groove, which is connected to the first friction clutch pressure oil supply port through a through hole. The first annular groove is corresponding to the oil outlet of the second oil inlet joint. The outer wall of the friction clutch lubricating oil inlet port is machined with a second annular groove, which is connected to the friction clutch lubricating oil inlet port through a through hole. The second annular groove is corresponding to the oil outlet of the first oil inlet joint. The third oil inlet joint is connected to the second friction clutch pressure oil supply port through the friction clutch pressure oil inlet ring. Two sealing rings and two pressure oil sealing spacer rings are installed on the oil inlet shaft. The two sealing rings are located on both sides of the first annular groove, and the two pressure oil sealing spacer rings are located on both sides of the second annular groove.

[0007] Furthermore, it also includes a friction clutch pressure oil inlet ring sealing ring and three balancing pins; a friction clutch pressure oil inlet ring sealing ring is provided between the friction clutch pressure oil inlet ring and the clutch oil inlet seat, the friction clutch pressure oil inlet ring sealing ring is embedded in the friction clutch pressure oil inlet ring, and three balancing pins are evenly inserted in the radial direction on the friction clutch pressure oil inlet ring, and the balancing pins are located between the sealing cover and the clutch oil inlet seat.

[0008] Furthermore, one end of the pressure oil supply port of the first friction clutch is communicated with the cavity between the clutch oil inlet seat and the oil inlet shaft.

[0009] Furthermore, the center line of the pressure oil supply port of the second friction clutch is arranged to coincide with the axis of the oil inlet shaft.

[0010] Furthermore, the outlet end of the friction clutch pressure oil inlet ring is arranged inside the oil inlet shaft.

[0011] Furthermore, the center line of the first oil inlet joint and the center line of the second oil inlet joint are arranged perpendicular to the axis of the oil inlet shaft, and the center line of the third oil inlet joint is arranged to coincide with the axis of the oil inlet shaft.

[0012] The method is implemented according to the following steps:

[0013] Step 1: supply oil through the first oil inlet joint, the second oil inlet joint and the third oil inlet joint, the oil supplied to the second oil inlet joint and the third oil inlet joint is working pressure oil, and the oil supplied to the first oil inlet joint is lubricating oil;

[0014] Step 2: When the first oil inlet joint is working, the lubricating oil passes through the second annular groove and the pressure oil sealing spacers on both sides of the second annular groove to form a sealed space and lubricate the oil inlet shaft and the clutch oil inlet seat. At the same time, the lubricating oil is connected to the oil inlets of the lubrication systems of the two external friction clutches through the outlet end of the friction clutch lubricating oil inlet port;

[0015] Step 3: When the second oil inlet joint is working, the working pressure oil passes through the first annular groove and the two sealing rings on both sides of the first annular groove to form a sealed space and lubricate the oil inlet shaft and the clutch oil inlet seat, and the working pressure oil enters the first friction clutch pressure oil supply port, a part of the first friction clutch pressure oil supply port flows into the cavity between the oil inlet shaft and the clutch oil inlet seat, and flows into the oil return through hole through two oil drain ports and is connected to the external box body, and another part of the working pressure oil in the first friction clutch pressure oil supply port flows into a friction clutch through the first friction clutch pressure oil supply port;

[0016] Step 4: When the third oil inlet joint is working, the working pressure oil enters the second friction clutch pressure oil supply port through the friction clutch pressure oil inlet ring, and enters another friction clutch through the second friction clutch pressure oil supply port.

[0017] Furthermore, in step 2, the first oil inlet connector provides lubricating oil at a pressure of 0.5-1 MPa, and in step 3 and step 4, the second oil inlet connector and the third oil inlet connector provide working hydraulic oil at a pressure of 1.8-2.2 MPa.

[0018] Beneficial effects of the present invention:

[0019] 1. The present invention adopts a new type of structural form, which can control two friction clutches at the same time, provide lubricating oil and working oil for them respectively, complete the clutch engagement and disengagement actions, and lubricate the friction clutch to prevent dry friction and damage to the friction clutch.

[0020] 2. The present invention includes one clutch lubricating oil inlet and two friction clutch working oil inlets, the pressures of which are different, the clutch lubricating oil pressure is about 0.5-1MPa, the clutch working oil pressure is about 1.8-2.2MPa, the oil supply pressure is guaranteed by a two-stage pressure regulating valve, the lubricating oil is used to complete the lubrication of the friction plate group when the clutch is disengaged to prevent dry grinding, and the working oil pressure is used to push the friction plate to complete the clutch engagement condition. The clutch is engaged and the gear transmission device is switched between different working conditions.

[0021] 3. In the present invention, part of the oil in the first friction clutch pressure oil supply port 3 and the second friction clutch pressure oil supply port 8 will flow out from both sides after lubricating the sealing spacer ring. In order to prevent the accumulation of lubricating oil and cause the temperature to rise, two oil drain ports are added to the oil inlet seat so that the lubricating oil in the gap between the oil inlet seat and the oil inlet can return to the box.

[0022] 4. In the present invention, the oil inlet shaft is a component that rotates with the gear, and the friction clutch pressure oil inlet ring 7 is fixed on the clutch oil inlet seat 9 as a fixed component. The friction clutch pressure oil inlet ring 7 is inserted into the oil inlet shaft 11, and the pressure oil enters the friction clutch to push the clutch to engage. The friction clutch pressure oil inlet ring 7 is made of copper alloy to increase softness and can compensate for slight deformation. Copper is relatively soft and will not damage the oil inlet shaft if it is worn. The friction clutch pressure oil inlet ring 7 is equipped with balance pins 5 that are evenly arranged around the circumference, so that the friction clutch pressure oil inlet ring can be balanced and adjusted when it is driven by the rotation of the oil inlet shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is the main view of the overall structure of this application. DETAILED DESCRIPTION

[0024] Specific implementation method 1: Combination Figure 1 The present embodiment is described. The present embodiment describes a structure for simultaneously supplying oil to two friction clutches, which comprises a first oil inlet joint 21, a second oil inlet joint 22, a third oil inlet joint 23, a sealing cover 24, a friction clutch pressure oil inlet ring 7, a clutch oil inlet seat 9, an oil inlet shaft 11, two sealing rings 2 and two pressure oil sealing spacer rings 4; the oil inlet shaft 11 is rotatably connected and installed in the clutch oil inlet seat 9, the friction clutch pressure oil inlet ring 7 is inserted on the clutch oil inlet seat 9, the sealing cover 24 is installed on the clutch oil inlet seat 9 by bolts, the first oil inlet joint 21 and the second oil inlet joint 22 are respectively installed on the clutch oil inlet seat 9 and are connected to the clutch oil inlet seat 9,

[0025] The clutch oil inlet seat 9 is machined with an oil return through hole 1, which is connected to the clutch oil inlet seat 9 through two oil drain ports. The oil inlet shaft 11 is axially machined with a first friction clutch pressure oil supply port 3, a second friction clutch pressure oil supply port 8 and a friction clutch lubricating oil inlet port 10. The outer wall of the first friction clutch pressure oil supply port 3 is machined with a first annular groove, which is connected to the first friction clutch pressure oil supply port 3 through a through hole. The first annular groove is arranged corresponding to the oil outlet of the second oil inlet joint 22. The friction clutch A second annular groove is processed on the outer side wall of the lubricating oil inlet 10 of the device, and the second annular groove is connected with the lubricating oil inlet 10 of the friction clutch through a through hole. The second annular groove is arranged corresponding to the oil outlet of the first oil inlet joint 21, and the third oil inlet joint 23 is connected with the second friction clutch pressure oil supply port 8 through the friction clutch pressure oil inlet ring 7. Two sealing rings 2 and two pressure oil sealing spacer rings 4 are installed on the oil inlet shaft 11. The two sealing rings 2 are located on both sides of the first annular groove, and the two pressure oil sealing spacer rings 4 are located on both sides of the second annular groove.

[0026] Specific implementation method 2: Combination Figure 1 To explain the present embodiment, the present embodiment describes a structure for simultaneously supplying oil to two friction clutches, which also includes a friction clutch pressure oil inlet ring sealing ring 6 and three balancing pins 5; a friction clutch pressure oil inlet ring sealing ring 6 is provided between the friction clutch pressure oil inlet ring 7 and the clutch oil inlet seat 9, and the friction clutch pressure oil inlet ring sealing ring 6 is embedded in the friction clutch pressure oil inlet ring 7, and three balancing pins 5 are evenly inserted in the radial direction on the friction clutch pressure oil inlet ring 7, and the balancing pins 5 are located between the sealing cover 24 and the clutch oil inlet seat 9.

[0027] The friction clutch pressure oil inlet ring seal ring 6 is provided to seal the friction clutch pressure oil inlet ring 7 and the clutch oil inlet seat 9, and the friction clutch pressure oil inlet ring 7 is balanced and supported by the balance pin 5 to prevent the friction clutch pressure oil inlet ring 7 from flexural deformation. Other methods are the same as those in the first specific implementation mode.

[0028] Specific implementation method three: Combination Figure 1 To explain this embodiment, this embodiment describes a structure for simultaneously supplying oil to two friction clutches, wherein one end of the pressure oil supply port 3 of the first friction clutch is connected to the cavity between the clutch oil inlet seat 9 and the oil inlet shaft 11 .

[0029] The pressure oil of the first friction clutch pressure oil supply port 3 lubricates the clutch oil inlet seat 9 and the oil inlet shaft 11. Other methods are the same as those of the second specific embodiment.

[0030] Specific implementation method four: Combination Figure 1This embodiment is described as a structure for simultaneously supplying oil to two friction clutches, and the center line of the second friction clutch pressure oil supply port 8 coincides with the axis of the oil inlet shaft 11. Other methods are the same as the first embodiment.

[0031] Specific implementation method five: Combination Figure 1 The present embodiment is described as a structure for simultaneously supplying oil to two friction clutches, and the outlet end of the friction clutch pressure oil inlet ring 7 is arranged in the oil inlet shaft 11 .

[0032] The oil inlet shaft 11 is limited by the friction clutch pressure oil inlet ring 7 to prevent radial runout. Other methods are the same as those in the first embodiment.

[0033] Specific implementation method six: Combination Figure 1 This embodiment is described as a structure for simultaneously supplying oil to two friction clutches, the center line of the first oil inlet joint 21 and the center line of the second oil inlet joint 22 are perpendicular to the axis of the oil inlet shaft 11, and the center line of the third oil inlet joint 23 is coincident with the axis of the oil inlet shaft 11. Other methods are the same as those in the first embodiment.

[0034] Specific implementation method seven: Combination Figure 1 This embodiment is described. This embodiment describes a structure for simultaneously supplying oil to two friction clutches. The method is implemented according to the following steps:

[0035] Step 1: supply oil through the first oil inlet connector 21, the second oil inlet connector 22 and the third oil inlet connector 23, the oil supplied to the second oil inlet connector 22 and the third oil inlet connector 23 is working pressure oil, and the oil supplied to the first oil inlet connector 21 is lubricating oil;

[0036] Step 2: When the first oil inlet connector 21 is working, the lubricating oil passes through the second annular groove and the pressure oil sealing spacer rings 4 on both sides of the second annular groove to form a sealed space and lubricate the oil inlet shaft 11 and the clutch oil inlet seat 9. At the same time, the lubricating oil is connected to the oil inlets of the lubrication systems of the two external friction clutches through the outlet end of the friction clutch lubricating oil inlet port 10;

[0037] Step 3: When the second oil inlet connector 22 is working, the working pressure oil passes through the first annular groove and the two sealing rings 2 on both sides of the first annular groove to form a sealed space and lubricate the oil inlet shaft 11 and the clutch oil inlet seat 9, and the working pressure oil enters the first friction clutch pressure oil supply port 3. A part of the first friction clutch pressure oil supply port 3 flows into the cavity between the oil inlet shaft 11 and the clutch oil inlet seat 9, and flows into the oil return through hole 1 through two oil drain ports and is connected to the external housing, and another part of the working pressure oil in the first friction clutch pressure oil supply port 3 flows into a friction clutch through the first friction clutch pressure oil supply port 3;

[0038] Step 4: When the third oil inlet connector 23 is working, the working pressure oil enters the second friction clutch pressure oil supply port 8 through the friction clutch pressure oil inlet ring 7, and enters another friction clutch through the second friction clutch pressure oil supply port 8.

[0039] Specific implementation method eight: Combination Figure 1 This embodiment describes a structure for simultaneously supplying oil to two friction clutches. In step 2, the first oil inlet connector 21 provides lubricating oil at a pressure of 0.5-1 MPa. In steps 3 and 4, the second oil inlet connector 22 and the third oil inlet connector 23 provide working hydraulic oil at a pressure of 1.8-2.2 MPa. Other methods are the same as those in the seventh embodiment.

[0040] When the friction clutches of the gearbox are not engaged, no working oil enters the first friction clutch pressure oil supply port 3 and the second friction clutch pressure oil supply port 8, and lubricating oil flows into the friction clutch lubricating oil inlet port 10 to lubricate the two friction clutches, ensuring that there is lubricating oil between the friction clutch friction plates to avoid burning the friction plate group. When one of the clutches is engaged, the corresponding secondary pressure regulating valve assembly is opened to allow high-pressure oil to enter the first friction clutch pressure oil supply port 3 or the second friction clutch pressure oil supply port 8, pushing the friction clutch hydraulic cylinder, and then pushing the friction clutch plate group to complete the friction clutch connection work. Excess oil will leak into the box from the oil return through hole 1.

Claims

1. A structure for simultaneously supplying oil to two friction clutches, characterized in that: It comprises a first oil inlet joint (21), a second oil inlet joint (22), a third oil inlet joint (23), a sealing cover (24), a friction clutch pressure oil inlet ring (7), a clutch oil inlet seat (9), an oil inlet shaft (11), two sealing rings (2) and two pressure oil sealing spacer rings (4); the oil inlet shaft (11) is rotatably connected and installed in the clutch oil inlet seat (9); the friction clutch pressure oil inlet ring (7) is inserted on the clutch oil inlet seat (9); the sealing cover (24) is installed on the clutch oil inlet seat (9) by bolts; the first oil inlet joint (21) and the second oil inlet joint (22) are respectively installed on the clutch oil inlet seat (9) and are connected to the clutch oil inlet seat (9); The clutch oil inlet seat (9) is machined with an oil return through hole (1), which is connected to the clutch oil inlet seat (9) through two oil drain ports. The oil inlet shaft (11) is axially machined with a first friction clutch pressure oil supply port (3), a second friction clutch pressure oil supply port (8) and a friction clutch lubricating oil inlet port (10). The outer wall of the first friction clutch pressure oil supply port (3) is machined with a first annular groove, which is connected to the first friction clutch pressure oil supply port (3) through a through hole. The first annular groove is arranged correspondingly to the oil outlet of the second oil inlet joint (22). The friction clutch A second annular groove is machined on the outer wall of the lubricating oil inlet (10) of the device. The second annular groove is connected to the lubricating oil inlet (10) of the friction clutch through a through hole. The second annular groove is arranged corresponding to the oil outlet of the first oil inlet joint (21). The third oil inlet joint (23) is connected to the second friction clutch pressure oil supply port (8) through the friction clutch pressure oil inlet ring (7). Two sealing rings (2) and two pressure oil sealing spacer rings (4) are installed on the oil inlet shaft (11). The two sealing rings (2) are located on both sides of the first annular groove, and the two pressure oil sealing spacer rings (4) are located on both sides of the second annular groove.

2. A structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: It also includes a friction clutch pressure oil inlet ring seal (6) and three balance pins (5); a friction clutch pressure oil inlet ring seal (6) is provided between the friction clutch pressure oil inlet ring (7) and the clutch oil inlet seat (9); the friction clutch pressure oil inlet ring seal (6) is embedded in the friction clutch pressure oil inlet ring (7); three balance pins (5) are evenly inserted in the friction clutch pressure oil inlet ring (7) along the radial direction; the balance pins (5) are located between the sealing cover (24) and the clutch oil inlet seat (9).

3. The structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: One end of the first friction clutch pressure oil supply port (3) is communicated with the cavity between the clutch oil inlet seat (9) and the oil inlet shaft (11).

4. The structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: The center line of the pressure oil supply port (8) of the second friction clutch and the axis line of the oil inlet shaft (11) are arranged to coincide with each other.

5. The structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: The outlet end of the friction clutch pressure oil inlet ring (7) is arranged inside the oil inlet shaft (11).

6. The structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: The center line of the first oil inlet joint (21) and the center line of the second oil inlet joint (22) are arranged perpendicular to the axis of the oil inlet shaft (11), and the center line of the third oil inlet joint (23) is arranged to coincide with the axis of the oil inlet shaft (11).

7. A method for supplying oil to two friction clutches simultaneously using a structure for supplying oil to two friction clutches according to any one of claims 1 to 6, characterized in that: The method is implemented according to the following steps: Step 1: supplying oil through the first oil inlet connector (21), the second oil inlet connector (22) and the third oil inlet connector (23), wherein the oil supplied to the second oil inlet connector (22) and the third oil inlet connector (23) is working pressure oil, and the oil supplied to the first oil inlet connector (21) is lubricating oil; Step 2: When the first oil inlet connector (21) is in operation, the lubricating oil passes through the second annular groove and the pressure oil sealing spacer rings (4) on both sides of the second annular groove to form a sealed space and lubricate the oil inlet shaft (11) and the clutch oil inlet seat (9). At the same time, the lubricating oil is connected to the oil inlets of the lubrication systems of the two external friction clutches through the outlet end of the friction clutch lubricating oil inlet port (10); Step 3: When the second oil inlet joint (22) is working, the working pressure oil passes through the first annular groove and the two sealing rings (2) on both sides of the first annular groove to form a sealed space and lubricate the oil inlet shaft (11) and the clutch oil inlet seat (9). The working pressure oil enters the first friction clutch pressure oil supply port (3). A part of the first friction clutch pressure oil supply port (3) flows into the cavity between the oil inlet shaft (11) and the clutch oil inlet seat (9), and flows into the return oil through hole (1) through the two oil drain ports and is connected to the external housing. Another part of the working pressure oil in the first friction clutch pressure oil supply port (3) flows into a friction clutch through the first friction clutch pressure oil supply port (3); Step 4: When the third oil inlet connector (23) is working, the working pressure oil enters the second friction clutch pressure oil supply port (8) through the friction clutch pressure oil inlet ring (7), and enters another friction clutch through the second friction clutch pressure oil supply port (8).

8. The oil supply method for a structure for simultaneously supplying oil to two friction clutches according to claim 1, characterized in that: In step 2, the first oil inlet connector (21) provides lubricating oil at a pressure of 0.5-1 MPa, and in step 3 and step 4, the second oil inlet connector (22) and the third oil inlet connector (23) provide working hydraulic oil at a pressure of 1.8-2.2 MPa.

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