CN115306884A - Gear box with external clutch - Google Patents

Gear box with external clutch Download PDF

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Publication number
CN115306884A
CN115306884A CN202211008158.4A CN202211008158A CN115306884A CN 115306884 A CN115306884 A CN 115306884A CN 202211008158 A CN202211008158 A CN 202211008158A CN 115306884 A CN115306884 A CN 115306884A
Authority
CN
China
Prior art keywords
clutch
transmission shaft
friction
friction plate
box body
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.)
Pending
Application number
CN202211008158.4A
Other languages
Chinese (zh)
Inventor
黄志攀
方朝野
张兴鹏
李军
向超
尹学慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Gearbox Co Ltd
China State Shipbuilding Corp Ltd
Original Assignee
Chongqing Gearbox Co Ltd
China State Shipbuilding Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Gearbox Co Ltd, China State Shipbuilding Corp Ltd filed Critical Chongqing Gearbox Co Ltd
Priority to CN202211008158.4A priority Critical patent/CN115306884A/en
Publication of CN115306884A publication Critical patent/CN115306884A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02013—Extension units for gearboxes, e.g. additional units attached to a main gear

Abstract

The invention discloses a gear box with an external clutch, which comprises a transmission shaft transversely penetrating through a box body of the gear box, wherein one end of the transmission shaft, which is exposed out of the box body, is connected with a friction clutch, and an outer housing is wrapped outside the friction clutch and fixed on the box body; the transmission shaft can stretch out from the outer housing, and the end of the transmission shaft stretching out is an oil inlet end. By adopting the invention, the end part of the transmission shaft penetrates out of the box body, and the friction clutch is connected with the penetrating end of the transmission shaft, so that the friction clutch is convenient to install, inspect and maintain; the outer housing has a protective effect on the friction clutch, the oil inlet end of the transmission shaft extends out of the outer housing, and the oil supply structure is simple, short in path and reliable in sealing.

Description

Gear box with external clutch
Technical Field
The invention relates to a gear box, in particular to a gear box with an externally hung clutch.
Background
The clutch is integrated in the gear box as a transmission component to complete the clutch and reversing functions between the power end and the load end, if the clutch is required to be checked and maintained, the clutch can be checked and maintained after an oil pipe, an accessory, a box cover and the like of the gear box are required to be disassembled, and the input or output connection of the gear box is required to be disconnected in most application occasions, so that the workload of clutch disassembly and assembly in actual use is huge, and the clutch is difficult to check and maintain due to cabin space limitation in the application occasions such as ship power and the like.
Disclosure of Invention
The invention aims to: the gear box with the externally-hung clutch is convenient to disassemble and solves the problems that the clutch is difficult to disassemble and difficult to maintain and inspect in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a gear box with an external clutch comprises a transmission shaft which transversely penetrates through a box body of the gear box, wherein one end of the transmission shaft, which is exposed out of the box body, is connected with a friction clutch, an outer housing is wrapped outside the friction clutch, and the outer housing is fixed on the box body; the transmission shaft can stretch out from the outer housing, and the end of the transmission shaft stretching out is an oil inlet end.
According to the invention adopting the technical scheme, the end part of the transmission shaft penetrates out of the box body, and the friction clutch is connected with the penetrating end of the transmission shaft, so that the friction clutch is convenient to mount, inspect and maintain; the outer housing has a protection effect on the friction clutch, and the oil inlet end of the transmission shaft extends out of the outer housing to supply oil, so that the structure is simple, the path is short, and the sealing is reliable.
Furthermore, one end of the transmission shaft, which is positioned in the friction clutch, is a connecting end, a friction plate seat is radially fixed at the connecting end, the friction plate seat is connected to the clutch shell through a friction plate, and the clutch shell is fixedly connected with the clutch flange. The transmission shaft is connected to the clutch flange through the friction plate seat, the friction plate and the clutch shell, so that the clutch flange and the transmission shaft can keep synchronous rotation to transmit power.
Further, the diameter of the end part of the clutch flange is enlarged, and the end part of the clutch flange extends out of the box body and is fixed with the clutch shell; the clutch flange main body is positioned in the box body and is meshed and connected with the input shaft through a gear. One end of the clutch flange extends out of the box body to be fixed with the clutch shell, and the other end of the clutch flange is meshed with the input shaft to transmit power; the diameter of the clutch flange is enlarged to conveniently reserve allowance, a plurality of groups of connecting holes can be arranged, a larger clutch can be connected under the condition that parts such as the internal clutch and the flange are not changed, and the clutch flange has certain interchangeability.
Furthermore, one end of the input shaft extends out of the box body and is connected with the input flange.
Furthermore, the friction plates comprise inner friction plates clamped with the friction plate seats and outer friction plates clamped with the clutch shell; the inner friction plates and the outer friction plates are alternately stacked. The friction plates are arranged in a plurality of modes and are connected in a clamping structure through overlapping arrangement.
Furthermore, the inner friction plate and the friction plate seat, and the outer friction plate and the clutch shell are connected by a spline. The spline block is convenient, the transmission of the power of being convenient for.
Furthermore, a piston is arranged beside the friction plate, the piston is sleeved on the transmission shaft in an axially movable manner, a working oil cavity is arranged on one side of the piston, which is opposite to the friction plate, the other side of the piston is abutted with a spring sleeved on the transmission shaft, and a working oil hole is axially arranged on the transmission shaft and is connected to the working oil cavity. Working oil is introduced into the working oil cavity to push the piston to tightly press the inner friction plate and the outer friction plate, so that the clutch is connected and arranged, and the shape is transferred; through the working oil in the working oil cavity of letting out, the piston will keep away from the friction disc under the effect of spring for the clutch is taken off and is arranged, does not carry out the biography and turns round any more.
Further, the oil inlet end of the working oil hole is arranged in the axial direction of the transmission shaft, and the oil inlet end is sealed through a working oil cover. The working oil is conveniently introduced into the working oil hole, the oil supply structure is simple, the path is short, and the sealing is reliable.
Furthermore, the transmission shaft is axially provided with a lubricating oil hole, and the oil outlet end of the lubricating oil is connected to the friction plate seat. The lubricating oil hole can provide lubricating oil for the friction plate.
Further, the oil inlet end of the lubricating oil extends out of the outer casing and is positioned in the radial direction of the transmission shaft. The oil inlet end of the lubricating oil and the oil inlet end of the working oil hole are respectively arranged in the radial direction and the axial direction of the transmission shaft, so that the mutual influence of the lubricating oil and the working oil hole is reduced, and the lubricating oil and the working oil hole are convenient for independently supplying oil.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the end part of the transmission shaft penetrates through the box body, and the friction clutch is connected with the penetrating end of the transmission shaft, so that the friction clutch is convenient to install, inspect and maintain, the process can be carried out without disassembling the box body, the working efficiency is improved, the production organization is facilitated, and the workload is reduced; the outer housing has a protective effect on the friction clutch, the oil inlet end of the transmission shaft extends out of the outer housing, and the oil supply structure is simple, short in path and reliable in sealing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of a gearbox with an external on-hook clutch of the present invention;
fig. 2 shows an enlarged view of a partial structure of the friction clutch in fig. 1.
Wherein the figures include the following reference numerals:
1, a box body;
2, a transmission shaft; 2a oil inlet end; 2b connecting ends; 2c a working oil hole; 2d lubricating oil holes;
3, an outer housing; 4, a friction sheet seat; 5 a clutch housing; 6, a clutch flange; 7 an input shaft; 8, inputting a flange; 9 inner friction plates; 10 outer friction plates; 11 a piston; 12 working oil chambers; 13 working oil covers; 14 springs.
Detailed Description
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, a gear box with an external clutch comprises a transmission shaft 2 transversely penetrating through a box body 1 of the gear box, wherein one end of the transmission shaft 2 exposed out of the box body 1 is connected with a friction clutch, an outer housing 3 wraps the outside of the friction clutch, and the outer housing 3 is fixed on the box body 1; the transmission shaft 2 can extend from the outer casing 3, and the end of the transmission shaft 2 extending is an oil inlet end 2a.
According to the invention adopting the technical scheme, the end part of the transmission shaft 2 penetrates out of the box body 1, and the friction clutch is connected with the penetrating end of the transmission shaft 2, so that the friction clutch is convenient to mount, inspect and maintain, the process can be carried out without disassembling the box body 1, the working efficiency is improved, the production organization is facilitated, and the workload is reduced; the outer housing 3 plays a role in protecting the friction clutch, the oil inlet end 2a of the transmission shaft 2 extends out of the outer housing 3, and the oil supply structure is simple, short in path and reliable in sealing.
Furthermore, one end of the transmission shaft 2, which is located in the friction clutch, is a connecting end 2b, a friction plate seat 4 is radially fixed on the connecting end 2b, the friction plate seat 4 is connected to a clutch housing 5 through a friction plate, and the clutch housing 5 is fixedly connected with a clutch flange 6. The transmission shaft 2 is connected to a clutch flange 6 through a friction plate seat 4, a friction plate and a clutch shell 5, so that the clutch flange 6 and the transmission shaft 2 can keep synchronous rotation to transmit power.
Further, the diameter of the end part of the clutch flange 6 is enlarged and extends out of the box body 1 to be fixed with the clutch shell 5; the clutch flange 6 is mainly positioned in the box body 1 and is meshed and connected with the input shaft 7 through a gear. One end of the clutch flange 6 extends out of the box body 1 and is fixed with the clutch shell 5, and the other end of the clutch flange is meshed with the input shaft 7 to transmit power; the diameter of the clutch flange is enlarged, allowance is reserved conveniently, a plurality of groups of connecting holes can be formed, a larger clutch can be connected under the condition that parts such as the internal clutch and the flange are not changed, and the clutch flange has certain interchangeability.
Further, one end of the input shaft 7 extends out of the case 1 and is connected to an input flange 8.
Further, the friction plates include an inner friction plate 9 engaged with the friction plate holder 4, and an outer friction plate 10 engaged with the clutch housing 5; the inner friction plates 9 and the outer friction plates 10 are alternately stacked. The friction plates are arranged in a plurality of modes and are connected in a clamping structure through overlapping arrangement.
Furthermore, the inner friction plate 9 and the friction plate seat 4, the outer friction plate 10 and the clutch housing 5 are connected by a spline. The spline is convenient to clamp and is convenient for power transmission.
Furthermore, a piston 11 is arranged beside the friction plate, the piston 11 is sleeved on the transmission shaft 2 in an axially movable manner, a working oil cavity 12 is arranged on one side of the piston 11, which is opposite to the friction plate, the other side of the piston 11 is abutted with a spring sleeved on the transmission shaft 2, and a working oil hole 2c is arranged in the axial direction of the transmission shaft 2 and is connected to the working oil cavity 12. Working oil is introduced into the working oil cavity 12 to push the piston 11 to tightly press the inner friction plate 9 and the outer friction plate 10, so that the clutch is connected and arranged, and the shape is input and torque is transmitted; by draining the working oil in the working oil chamber 12, the piston 11 will be moved away from the friction plate under the action of the spring, so that the clutch is disengaged and no torque transmission is performed.
Further, an oil inlet end 2a of the working oil hole 2c is provided in the axial direction of the propeller shaft 2, and the oil inlet end 2a is sealed by a working oil cover 13. The working oil is conveniently introduced into the working oil hole 2c, the oil supply structure is simple, the path is short, and the sealing is reliable.
Furthermore, the transmission shaft 2 is also axially provided with a lubricating oil hole 2d, and the oil outlet end of the lubricating oil is connected to the friction plate seat 4. The lubricating oil hole 2d can supply lubricating oil to the friction plate.
Further, the oil inlet end of the lubricating oil extends out of the outer casing 3 and is positioned in the radial direction of the transmission shaft 2. The oil inlet end of the lubricating oil and the oil inlet end 2a of the working oil hole 2c are respectively arranged in the radial direction and the axial direction of the transmission shaft 2, so that the mutual influence of the lubricating oil and the working oil hole is reduced, and the lubricating oil and the working oil hole are convenient for independently supplying oil.
The clutch shell 5 is connected with the clutch flange 6 through bolts and positioning pins; the friction plate seat 4 is sleeved on the transmission shaft 2 in a thermal mode, or can be arranged on the transmission shaft 2 through splines and additionally provided with positioning parts. When the clutch is installed, parts such as a transmission shaft 2, a clutch flange 6 and a gear which are positioned in the box body 1 can be installed firstly, and then parts outside the box body 1, which are included in the friction clutch, are installed; when the friction clutch is disassembled, the friction clutch can be exposed after the outer housing 3 is disassembled without disassembling the box body 1, and then a series of operations such as maintenance or replacement can be carried out on the friction clutch; the clutch flange 6 can be provided with a plurality of groups of connecting holes in advance so as to be convenient for installing friction clutches with different specifications and sizes in a certain range and improve the overall interchangeability.
The gear box structure of the invention is used, because the friction clutch is an external hanging structure, when the clutch is disassembled, the gear box body 1 is not disassembled, only the outer housing 3 and a small amount of oil pipes on the outer housing 3 are disassembled, the work of largely disassembling the gear box body 1 can be reduced, particularly on a test bench or an operating unit, the disassembly and the installation can be carried out on site without disconnecting the unit connection, the workload is small, and the adaptability to site conditions is good.
Aiming at the structure of the gear box, the clutch can be installed after the internal parts of the gear box and the box body 1 are assembled, and the assembly method can optimize the production organization mode of the gear box and is beneficial to selling the clutch as a module or a component; the clutch flange 6 can be provided with clutches of different specifications and sizes within the range of flange size, parts and gear box torque transmission allowance of the clutch flange, has certain interchangeability, and reduces the difficulty or workload of selling the clutch as an integral component. In addition, the clutch working oil and the lubricating oil are supplied through one end of the transmission shaft 2 extending out of the clutch housing, the oil supply path is short, and the clutch shell 5 and the clutch flange 6 are reliably sealed and connected through bolts and positioning pins; the friction plate seat 4 is sleeved on the transmission shaft 2 in a thermal mode, or can be arranged on the transmission shaft 2 through splines and additionally provided with positioning parts. When the clutch is installed, parts such as a transmission shaft 2, a clutch flange 6, a gear and the like which are positioned in the box body 1 can be installed firstly, and then parts outside the box body 1, which are included in the friction clutch, are installed; when the friction clutch is disassembled, the friction clutch can be exposed after the outer housing 3 is disassembled without disassembling the box body 1, and then a series of operations such as maintenance or replacement can be carried out on the friction clutch; the clutch flange 6 can be provided with a plurality of groups of connecting holes in advance so as to be convenient for installing friction clutches with different specifications and sizes in a certain range and improve the overall interchangeability.
The gear box structure of the invention is used, because the friction clutch is an external hanging structure, when the clutch is disassembled, the gear box body 1 is not disassembled, only the outer housing 3 and a small amount of oil pipes on the outer housing 3 are disassembled, the work of largely disassembling the gear box body 1 can be reduced, particularly on a test bench or an operating unit, the disassembly and the installation can be carried out on site without disconnecting the unit connection, the workload is small, and the adaptability to site conditions is good.
Aiming at the structure of the gear box, the clutch can be installed after the internal parts of the gear box and the box body 1 are assembled, and the assembly method can optimize the production organization mode of the gear box and is beneficial to selling the clutch as a module or a component; the clutch flange 6 can be provided with clutches of different specifications and sizes within the range of flange size, parts and gear box torque transmission allowance of the clutch flange, has certain interchangeability, and reduces the difficulty or workload of selling the clutch as an integral component. In addition, the clutch working oil and the lubricating oil are supplied through one end of the transmission shaft 2 extending out of the clutch housing, the oil supply path is short, the seal is reliable, and the oil supply path is positioned in the radial direction of the transmission shaft 2.
The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The gear box with the external clutch is characterized by comprising a transmission shaft (2) transversely penetrating through a box body (1) of the gear box, wherein one end, exposed out of the box body (1), of the transmission shaft (2) is connected with a friction clutch, an outer housing (3) wraps the outside of the friction clutch, and the outer housing (3) is fixed on the box body (1); the transmission shaft (2) can extend out of the outer casing (3), and one end, extending out of the transmission shaft (2), is an oil inlet end (2 a).
2. The gearbox with an external clutch according to claim 1, characterized in that one end of the transmission shaft (2) in the friction clutch is a connecting end (2 b), the connecting end (2 b) is radially fixed with a friction plate seat (4), the friction plate seat (4) is connected to a clutch housing (5) through a friction plate, and the clutch housing (5) is fixedly connected with a clutch flange (6).
3. Gearbox with external clutch according to claim 2, characterized in that the end of the clutch flange (6) is enlarged in diameter and extends out of the box (1) to be fixed with the clutch housing (5); the clutch flange (6) main body is positioned in the box body (1) and is meshed and connected with the input shaft (7) through a gear.
4. Gearbox with external suspension clutch according to claim 3, characterized in that the input shaft (7) extends with one end out of the box (1) and is connected to an input flange (8).
5. Gearbox with external clutch according to claim 2, characterized in that the friction plates comprise inner friction plates (9) engaging with the friction plate seat (4) and outer friction plates (10) engaging with the clutch housing (5); the inner friction plates (9) and the outer friction plates (10) are alternately stacked.
6. Gearbox with external clutch according to claim 5, characterized in that said inner friction plate (9) and said friction plate seat (4), said outer friction plate (10) and said clutch housing (5) are connected by splines.
7. The gearbox with an external clutch according to claim 2, characterized in that a piston (11) is arranged beside the friction plate, the piston (11) is sleeved on the transmission shaft (2) in an axially movable manner, a working oil cavity (12) is arranged on one side of the piston (11) opposite to the friction plate, a spring (14) sleeved on the transmission shaft (2) is abutted on the other side of the piston (11), and a working oil hole (2 c) is arranged in the axial direction of the transmission shaft (2) and connected to the working oil cavity (12).
8. The gear box with an external clutch according to claim 7, wherein an oil inlet end (2 a) of the working oil hole (2 c) is provided in an axial direction of the transmission shaft (2), and the oil inlet end (2 a) is sealed by a working oil cover (13).
9. The gearbox with an external clutch according to claim 2, characterized in that the transmission shaft (2) is further axially provided with a lubricating oil hole (2 d), and the oil outlet end of the lubricating oil is connected to the friction plate seat (4).
10. Gearbox with external clutch according to claim 9, characterized in that the oil inlet end of the lubricant extends out of the outer casing (3) and is located radially to the transmission shaft (2).
CN202211008158.4A 2022-08-22 2022-08-22 Gear box with external clutch Pending CN115306884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211008158.4A CN115306884A (en) 2022-08-22 2022-08-22 Gear box with external clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211008158.4A CN115306884A (en) 2022-08-22 2022-08-22 Gear box with external clutch

Publications (1)

Publication Number Publication Date
CN115306884A true CN115306884A (en) 2022-11-08

Family

ID=83862432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211008158.4A Pending CN115306884A (en) 2022-08-22 2022-08-22 Gear box with external clutch

Country Status (1)

Country Link
CN (1) CN115306884A (en)

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