CN110701208B - Single clutch integrated configuration - Google Patents
Single clutch integrated configuration Download PDFInfo
- Publication number
- CN110701208B CN110701208B CN201910913922.4A CN201910913922A CN110701208B CN 110701208 B CN110701208 B CN 110701208B CN 201910913922 A CN201910913922 A CN 201910913922A CN 110701208 B CN110701208 B CN 110701208B
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- Prior art keywords
- clutch
- piston
- input shaft
- lubricating oil
- ring
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- 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
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- 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
- F16D25/12—Details not specific to one of the before-mentioned types
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- 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
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a single clutch integrated structure, which integrates parts such as an input shaft, a clutch support, a piston, a friction plate set, a dual-plate set, a gear and the like. After power is transmitted from the input shaft to the clutch support, the working oil path is filled with high-pressure oil and reaches the piston cavity, and the piston is pushed to press the clutch. Therefore, power is transmitted to the gear gears to transmit the power, normal switching between different gears can be guaranteed through the structure, and the structure is compact. When the high-pressure oil pushes the piston to move, a lubricating oil path of the clutch is opened, the lubricating oil reaches the clutch and lubricates the friction plate set, the lubricating oil is controlled by a working oil path, the control is guaranteed through the design of a mechanical structure, and the hydraulic system is simple in structure. In a similar way, when the friction plate set does not need to transmit torque, the lubricating oil way is closed while the piston returns, so that the dragging loss of the clutch is reduced, and the efficiency is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of clutches, and particularly relates to a single clutch integrated structure.
[ background of the invention ]
At present, most of gear shifting mechanisms of manual gear transmissions matched with domestic tractors are still gear shifting of the gear sleeve at the lowest end, and recently, synchronizer gear shifting and power gear shifting products with advanced technology are also available in the market, but transmission axle box assemblies of the power gear shifting products are generally directly imported assemblies from abroad.
The mechanical hydraulic power split CVT product which is more advanced and complex than the power gear shifting technical level is still blank in China. The clutch shifting structure is a key component of the CVT transmission. However, the prior art does not have a clutch matched with the prior art so as to adapt to the transmission.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide a single clutch integrated structure; this structure is used for solving the clutch problem that lacks the matching with the CVT among the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a single clutch integrated structure comprises an input shaft, wherein a clutch support and a needle bearing are sequentially sleeved on the input shaft from the front end to the rear end of the input shaft; a groove structure is arranged on the rear end face of the clutch support, the groove structure is arranged around the input shaft, a piston is fixedly clamped in the groove structure, and the outer side face of the clutch support is connected with a clutch gear ring through a spline;
a gear is sleeved on the needle roller bearing, a clutch gear hub is fixedly connected to the front end face of the gear, a back plate is sleeved on the clutch gear hub, and the front end face of the clutch gear hub extends into the piston; the outer side surface of the clutch gear hub, the rear end surface of the piston, the back plate and the clutch gear ring form a first cavity, and the inner side surface of the clutch gear hub, the piston and the clutch support form a second cavity; the first cavity is internally provided with a pair of coupling pieces and friction pieces which are arranged in a staggered manner; a disc spring group is arranged in the second cavity;
a second working oil way and a second lubricating oil way are arranged in the input shaft along the axial direction of the input shaft; the piston moves backwards under the action of high-pressure oil flowing into the second working oil way, so that lubricating oil in the second lubricating oil way passes through the clutch support and the clutch gear hub and flows into the first cavity to lubricate the dual plate and the friction plate; meanwhile, power is transmitted to the clutch gear ring from the input shaft and the clutch support, and then transmitted to the clutch gear hub and the gear through the clutch gear ring, the dual plates and the friction plates.
The invention is further improved in that:
preferably, the clutch support is connected with the input shaft through a spline, the front end of the clutch support is provided with a spacer bush, and the rear end of the clutch is provided with a fourth snap ring; and the spacer bush and the fourth snap ring are sleeved on the input shaft.
Preferably, two sides of the gear are respectively provided with a spacer, and the two spacers are sleeved on the input shaft; a groove is formed in the inner wall of the spacer, a cylindrical pin is installed in the groove, and the lower end of the cylindrical pin is inserted into a pin hole of the input shaft; and a fifth snap ring is arranged on the rear side of the spacer at the rear end of the gear and sleeved on the input shaft.
Preferably, the front end surface of the disc spring group props against the rear end surface of the piston, and the rear end of the disc spring group is provided with a second snap ring; the disc spring group and the second snap ring are sleeved on the clutch support.
Preferably, the clutch hub comprises an inclined section and a plane section which are integrally connected, and the rear end of the inclined section is welded with the front end face of the gear; the front end of the plane section extends into the piston.
Preferably, the friction plate is in splined connection with the outer side surface of the plane section; the dual plates are connected with the inner side surface of the clutch gear ring through splines.
Preferably, the space between the groove structure and the piston is a piston cavity; and a first working oil way communicated with the second working oil way is formed in the clutch support, and the first working oil way is communicated to the piston cavity.
Preferably, the clutch support is provided with a first lubricating oil path communicated with the second lubricating oil path, the rear end face of the piston is provided with an oil passing groove, and the oil passing groove is arranged in the second cavity; the first lubricating oil path is communicated to the sealing surface, and the sealing surface is used for sealing lubricating oil of the first lubricating oil path in the clutch support; when the piston moves backwards and is opened, and the sealing surface is opened, the first lubricating oil path is communicated to the oil passing groove;
a plurality of second oil passing holes are formed in the clutch gear hub and communicated with the first cavity and the second cavity, a plurality of first oil passing holes are formed in the clutch gear ring and communicated with the first cavity and an oil pan of the gearbox.
Preferably, a first snap ring is arranged on the rear end face of the back plate close to the upper edge; and two side edges of the outer ring of the clutch support are respectively provided with a third snap ring.
Preferably, a first sealing ring is arranged between the outer ring of the piston and the inner wall of the outer side of the groove structure, and a second sealing ring is arranged between the inner ring of the piston and the inner wall of the inner side of the groove structure; and a third sealing ring is arranged between the input shaft and the clutch support and is used for preventing the loss of high-pressure oil.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a single clutch integrated structure, which integrates parts such as an input shaft, a clutch support, a piston, a friction plate set, a dual-plate set, a gear and the like. After power is transmitted from the input shaft to the clutch support, the working oil path is filled with high-pressure oil and reaches the piston cavity, and the piston is pushed to press the clutch. Therefore, power is transmitted to the gear gears to transmit the power, normal switching between different gears can be guaranteed through the structure, and the structure is compact. When the high-pressure oil pushes the piston to move, the lubricating oil way of the clutch is opened, the lubricating oil reaches the second cavity to lubricate the friction plate set, the lubricating oil is controlled by the working oil way, the control is guaranteed through the design of a mechanical structure, and the hydraulic system is simple in structure. In a similar way, when the friction plate set does not need to transmit torque, the lubricating oil way is closed while the piston returns, so that the dragging loss of the clutch is reduced, and the efficiency is improved. This single clutch integrated configuration realizes shifting between the fender position through the clutch, and the impact of shifting is little, and is than other structure life-span of shifting. Belongs to the key structure of the CVT gearbox, and can meet the requirement of the gear shifting function of the gearbox.
Furthermore, two ends of the clutch support are respectively limited in axial displacement through a spacer bush and a clamping ring.
Furthermore, the gear gears are respectively limited in axial displacement through two spacers and a clamping ring.
Furthermore, the piston return spring is a disc spring set, the disc spring set is arranged on the rear side of the piston, and when high-pressure oil is not introduced into the whole clutch structure, the disc spring set is used for pressing the piston to enable the piston to be located on the front side of the groove of the clutch support.
Furthermore, the clutch hub and the gear are fixedly connected by welding, so that the process and the processing are easy, and the cost is low; the plane section of the clutch gear hub extends into the piston, so that two cavities are formed between the whole piston and the back plate; respectively used for placing the friction plate, the dual plate and the disc spring set.
Furthermore, high-pressure oil in the first working oil way passes through the second working oil way and is introduced into the piston cavity to push the piston to move backwards.
Furthermore, lubricating oil sequentially passes through the second lubricating oil path, the first lubricating oil path, the sealing surface, the oil passing groove, the second cavity and the second oil passing hole, enters the first cavity from the second oil passing hole and lubricates the friction plate and the dual plate.
Further, the back plate is limited in axial displacement through a clamping ring, and the clutch support and the clutch gear ring are limited in relative positions through a third clamping ring.
Furthermore, a sealing ring is arranged between the piston and the clutch support, and a sealing ring is arranged between the input shaft and the clutch support, so that the loss of high-pressure oil is prevented
[ description of the drawings ]
FIG. 1 is a block diagram of the present invention.
Wherein: 1-a clutch ring gear; 2-dual tablets; 3-a first snap ring; 4-a back plate; 5-clutch hub; 6-gear; 7-needle roller bearings; 8-cylindrical pins; 9-an input shaft; 10-a fifth snap ring; 11-a second spacer; 12-a first sealing ring; 13-a first plug; 14-a second sealing ring; 15-a second snap ring; 16-a third sealing ring; 17-spacer bush; 18-a second plug; 19-disc spring set; 20 a piston; 21-a clutch support; 22-a third snap ring; 23-a first lubricating oil path; 24-a first oil passing hole; 25-a first working oil path; 26-a second lubricating oil path; 27-a second working oil path; 28-a second oil passing hole; 29-first connecting spline; 30-a second connecting spline; 31-a sealing face; 32-oil passing grooves; 33-a piston cavity; 34-a first cavity; 35-a second cavity; 36-first communication oil passage; 37-a second communication oil passage; 38-a third communication oil passage; 39-fourth communication oil passage; 40-groove structure; 41-a first spacer; 42-a first projection; 43-friction plate; 44-a fourth snap ring; 45-a first end face; 5-1-inclined section; 5-2-plane section; 20-1-a first groove; 20-2 second grooves; 21-1 vertical section; 21-2 horizontal segments.
[ detailed description ] embodiments
The invention is described in further detail below with reference to the following figures and specific examples:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention discloses a single clutch integrated structure; the structure comprises a clutch gear ring 1, a dual plate 2, a first snap ring 3, a back plate 4, a clutch gear hub 5, a gear wheel 6, a needle bearing 7, a cylindrical pin 8, an input shaft 9, a fifth snap ring 10, a second spacer 11, a first sealing ring 12, a first plug 13, a second sealing ring 14, a second snap ring 15, a third sealing ring 16, a spacer 17, a second plug 18, a disc spring group 19, a piston 20, a clutch support 21, a third snap ring 22, a first lubricating oil path 23, a first oil passing hole 24, a first working oil path 25, a second lubricating oil path 26, a second working oil path 27, a second oil passing hole 28, a first connecting spline 29, a second connecting spline 30, a sealing surface 31, an oil passing groove 32, a piston cavity 33, a first cavity 34, a second cavity 35, a first communicating oil path 36, a second communicating oil path 37, a third communicating oil path 38, a fourth communicating oil path 39, a third communicating oil path 38, a third communicating oil path 28, a fourth, Groove structure 40, first spacer 41, first projection 42, friction plate 43, fourth snap ring 44, and first end face 45.
Setting the power input end of the input shaft 9 as the front end and the power output end of the input shaft 9 as the rear end; the entire apparatus is based on this setting.
From the front end to the rear end, the input shaft 9 is sleeved with a spacer 17, a clutch support 21, a first spacer 41, a needle bearing 7, a second spacer 11 and a fifth snap ring 10 in sequence; the spacer 17, the first spacer 41, the needle bearing 7, the second spacer 11 and the fifth snap ring 10 are fixedly sleeved on the input shaft 9, the clutch support 21 is connected with the input shaft 9 through the first spline 29, and the outer bearing ring of the needle bearing 7 is in contact with the gear 6 so as to support the gear 6 to rotate around the input shaft 9; the first shock insulator 41 and the second shock insulator 11 are positioned on the front side and the rear side of the gear 6 to limit the axial position of the gear 6; the input shaft 9 is provided with a pin hole, the inner walls of the first spacer 41 and the second spacer 11 are respectively provided with a groove, one groove corresponds to one pin hole, a cylindrical pin 8 is jointly arranged in the groove and the pin hole, and the cylindrical pin 8 limits the relative rotation speed of the spacers and the input shaft 9 to be zero; and a fifth snap ring 10 is arranged at the rear end of the second spacer 11 and is used for limiting the axial displacement of the second spacer 11 along the input shaft 9, so as to limit the axial position of the gear 6.
The clutch support 21 comprises a vertical section 21-1 and a horizontal section 21-2 which are integrally connected, the vertical section 21-1 is arranged at the upper part of the horizontal section 21-2, the front end face of the vertical section 21-1 is flush with the front end face of the horizontal section 21-2, the horizontal section 21-2 is sleeved on the input shaft 9, the rear end face of the vertical section 21-1 is provided with a groove structure 40, a piston 20 is fixedly arranged in the groove structure 40, the piston 20 is embedded in the groove structure 40 of the clutch support 21, and the piston 20 and the horizontal section 21-2 are coaxial; the outer ring of the piston 20 is wound with a first sealing ring 12, so that the outer ring of the piston 20 is sealed with one inner side wall of the groove structure 40, and the other inner side wall of the groove structure 40 is wound with a second sealing ring 14, so that the inner ring of the piston 20 is sealed with the other inner side wall of the groove structure 40 of the clutch support 21; the first seal ring 12 and the second seal ring 14 are preferably GREEN rings. The outer ring of the vertical section 21-1 is provided with an array of second connecting splines 30 along the circumferential direction thereof, and the clutch support 21 is engaged with the clutch ring gear 1 through the second connecting splines 30.
A circle of bulges are arranged on the front end surface of the piston 20 close to the edge, and a closed piston cavity 33 is formed on the front end surface of the piston 20, the bulges and the inner bottom surface of the groove structure 40; the rear end face of the piston 20 is provided with two coaxial grooves, namely a first groove 20-1 and a second groove 20-2, the second groove 20-2 is closer to the input shaft 9 relative to the first groove 20-1, the first groove 20-1 is arranged in the first cavity 34, and the front end of the clutch gear hub 5 is inserted into the second groove 20-2; correspondingly, the rear end face of the piston 20 is divided into three parts, the closest rear end face is set as a first end face 45, a first protrusion 42 protruding towards the input shaft 9 is arranged at the lower end of the first end face 45, and the bottom end of the first protrusion 42 abuts against the horizontal section 21-2.
The front end of the gear 6 is connected with a clutch hub 5 through welding, the clutch hub 5 comprises an inclined section 5-1 and a plane section 5-2, the outer side of the plane section 5-2, the piston 20, the back plate 4 and the clutch gear ring 1 form a first cavity 34, and the inner side of the clutch hub 5, the piston 20 and the clutch support 21 form a second cavity 35; the first cavity 34 is internally provided with the dual plates 2 and the friction plates 43 which are arranged in a staggered way, and the second cavity 35 is internally provided with the disc spring group 19; wherein, the outer side surface of the plane section 5-2 is arrayed with splines along the circumferential direction thereof, and the outer side surface of the plane section 5-2 is connected with the friction plate 43 through the splines; the inner wall of the clutch gear ring 1 is arrayed with splines along the circumferential direction of the inner wall of the clutch gear ring 1, the inner wall of the clutch gear ring 1 is connected with the dual sheet 2 through the splines, and meanwhile, the front part of the inner wall of the clutch gear ring 1 is connected with the outer ring of the clutch support 21 through the splines; the disc spring set 19 is sleeved on the clutch support 21, the front side of the disc spring set props against the piston 20, and the rear side of the disc spring set limits the axial displacement of the disc spring set through the second snap ring 15 sleeved on the clutch support 21 so as to enable the disc spring set to be in a pressing state.
The back plate 4 is located at the rear ends of the dual-piece 2 and friction plate 43 structures, the back plate 4 is sleeved on the outer side of the rearmost end of the plane section 5-2, the front end face of the back plate 4 is in contact with the lotus root piece at the rearmost end, and a first clamping ring 3 is arranged at the position, close to the outer edge of the rear end face of the back plate 4, of the back plate 4 so as to limit axial displacement of the back plate 4 and further limit axial displacement of the dual-piece 2 and friction plate 43 structures.
The outer sides of the front and rear end surfaces of the clutch support 21 are respectively and fixedly provided with a third snap ring 22 to limit the front and rear displacement of the clutch support and the clutch ring gear 1. The inner sides of the front end face and the rear end face of the clutch support 21 are respectively and fixedly provided with a spacer 17 and a fourth snap ring 44, the spacer 17 is in contact with the front end face of the clutch support 21, the spacer 17 is sleeved on the input shaft 9, the fourth snap ring 44 is in contact with the rear end face of the clutch support 21, and the fourth snap ring 44 is sleeved on the input shaft 9.
A second lubricating oil path 26 and a second working oil path 27 are respectively arranged in the input shaft 9 along the axial direction of the input shaft, a first lubricating oil path 23 is arranged on the horizontal section 21-2 of the clutch support 21 along the axial direction of the input shaft 9, the first lubricating oil path 23 is communicated with the second lubricating oil path 26 through a first communicating oil path 36, and a second plug 18 is arranged at the front end part of the first lubricating oil path 23 to limit the leakage of lubricating oil; a first working oil way 25 is arranged on the horizontal section 21-2 of the clutch support 21, the front end of the first working oil way 25 is arranged on the front end surface of the clutch support 21, the rear end of the first working oil way is arranged on the inner side surface of the clutch support 21, and a first plug 13 is arranged at the front end of the first working oil way 25 to limit the leakage of high-pressure oil; the first working oil path 25 and the second working oil path 27 are communicated through a second communicating oil path 37, in order to prevent the loss of high-pressure oil, two sides of the joint of the second communicating oil path 37 and the rear end of the first working oil path 25 are respectively provided with a third sealing ring 16, the third sealing rings 16 are preferably O-shaped sealing rings, and the two third sealing rings 16 are sleeved in grooves formed in the input shaft 9.
A third communication oil passage 38 is provided between the first working oil passage 25 and the piston chamber 33; a fourth communicating oil path 39 is formed in the horizontal section 21-2 of the clutch support 21, a sealing surface 31 is arranged between the wall surface of the fourth communicating oil path 39 and the front end surface of the first protrusion 42, and the first lubricating oil path 23 leads to the sealing surface 31 through the fourth communicating oil path 39.
An oil passing groove 32 is formed in the first end face 45 of the piston 20, the inner end of the oil passing groove 32 is communicated with the sealing face 31, and the outer end of the oil passing groove 32 is communicated with the second cavity 35; the plane section 5-2 of the clutch gear hub 5 is provided with a plurality of second oil passing holes 28, the second oil passing holes 28 are communicated with the first cavity 34 and the second cavity 35, and the axis of the second oil passing holes 28 is vertical to the axis of the input shaft 9; a plurality of first oil passing holes 24 are formed in the clutch gear ring 1, the first oil passing holes 24 are communicated with the first cavity 34 and the oil pan, and the axis of the first oil passing holes 24 is perpendicular to the axis of the input shaft 9.
The working process is as follows:
when high-pressure oil is not in the second working oil path 27, the disc spring set 19 presses the piston 20, and further presses the piston 20 and the clutch support 21, so that the sealing surface 31 between the piston and the clutch support is ensured to be in a closed state, so that the lubricating oil in the second lubricating oil path 26 in the input shaft 9 cannot reach the first cavity 34, at this time, the pair of clutch plates 2 and the friction plates 43 are in an open state, and power cannot be transmitted.
When high-pressure oil exists in the second working oil path 27, the high-pressure oil flows from the second working oil path 27 to the first working oil path 25, flows into the piston cavity 33 through the first working oil path 25 and the third communicating oil path 38, pushes the piston 20 to move backwards (output end), pushes the friction plate 43 and the dual plate 2 to be combined, simultaneously opens the sealing surface 31, the lubricating oil in the second lubricating oil path 26 is input to the sealing surface 31 through the first communicating oil path 36, the first lubricating oil path 23 and the fourth communicating oil path 39 in sequence, the lubricating oil flows to the oil passing groove 32 through the sealing surface 31, the lubricating oil passes through the oil passing groove 32 to enter the second cavity 35, enters the second oil passing hole 28 from the second oil passing hole 28 to enter the first cavity 34, lubricates the friction plate 43 and the dual plate 2, then passes through the first oil passing hole 24 from the first cavity 34 to enter the oil pan, and lubricates and cools the whole friction plate 43 and the dual plate 2, at this time, the friction plate 43 and the counter plate 2 are combined, and power is transmitted from the input shaft 9 to the clutch ring gear 1, and then transmitted to the clutch hub 5 and the gear 6 through the friction plate 43 and the counter plate 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A single clutch integrated structure is characterized by comprising an input shaft (9), wherein a clutch support (21) and a needle bearing (7) are sequentially sleeved on the input shaft (9) from the front end to the rear end of the input shaft (9); a groove structure (40) is arranged on the rear end face of the clutch support (21), the groove structure (40) is arranged around the input shaft (9), a piston (20) is fixedly clamped in the groove structure (40), and the outer side face of the clutch support (21) is connected with a clutch gear ring (1) through a spline;
a gear wheel (6) is sleeved on the needle roller bearing (7), a clutch hub (5) is fixedly connected to the front end face of the gear wheel (6), a back plate (4) is sleeved on the clutch hub (5), and the front end face of the clutch hub (5) extends into the piston (20); a first cavity (34) is formed by the outer side surface of the clutch gear hub (5), the rear end surface of the piston (20), the back plate (4) and the clutch gear ring (1), and a second cavity (35) is formed by the inner side surface of the clutch gear hub (5), the piston (20) and the clutch support (21); the first cavity (34) is internally provided with a pair of staggered plates (2) and friction plates (43); a disc spring set (19) is arranged in the second cavity (35);
a second working oil path (27) and a second lubricating oil path (26) are arranged in the input shaft (9) along the axial direction of the input shaft; the piston (20) moves backwards under the action of high-pressure oil flowing in from the second working oil path (27), so that lubricating oil in the second lubricating oil path (26) passes through the clutch support (21) and the clutch gear hub (5) and flows into the first cavity (34) to lubricate the dual plates (2) and the friction plates (43); meanwhile, power is transmitted to the clutch gear ring (1) from the input shaft (9) and the clutch support (21), and then transmitted to the clutch gear hub (5) and the gear (6) through the clutch gear ring (1), the dual plate (2) and the friction plate (43);
a first lubricating oil path (23) communicated with a second lubricating oil path (26) is formed in the clutch support (21), an oil passing groove (32) is formed in the rear end face of the piston (20), and the oil passing groove (32) is formed in a second cavity (35); the first lubricating oil path (23) is communicated to a sealing surface (31), and the sealing surface (31) is used for sealing lubricating oil of the first lubricating oil path (23) in the clutch support (21); when the piston (20) moves backwards and opens, the sealing surface (31) opens, and the first lubricating oil path (23) is communicated to the oil passing groove (32);
a plurality of second oil passing holes (28) are formed in the clutch gear hub (5), the second oil passing holes (28) are communicated with the first cavity (34) and the second cavity (35), a plurality of first oil passing holes (24) are formed in the clutch gear ring (1), and the first oil passing holes (24) are communicated with the first cavity (34) and an oil pan of the gearbox;
when the high-pressure oil pushes the piston to move, a lubricating oil way of the clutch is opened, the lubricating oil reaches the second cavity to lubricate the friction plate set, the lubricating oil is controlled by a working oil way, the control is ensured by the design of a mechanical structure, and the hydraulic system is simple in structure; in a similar way, when the friction plate set does not need to transmit torque, the lubricating oil way is closed while the piston returns, so that the dragging loss of the clutch is reduced, and the efficiency is improved.
2. The single clutch integrated structure as claimed in claim 1, wherein the clutch support (21) and the input shaft (9) are connected through a spline, the front end of the clutch support (21) is provided with a spacer (17), and the rear end of the clutch support (21) is provided with a fourth snap ring (44); the spacer bush (17) and the fourth snap ring (44) are sleeved on the input shaft (9).
3. The single clutch integrated structure as claimed in claim 1, characterized in that two sides of the gear wheel (6) are respectively provided with a spacer, and both spacers are sleeved on the input shaft (9); a groove is formed in the inner wall of the spacer, a cylindrical pin (8) is installed in the groove, and the lower end of the cylindrical pin (8) is inserted into a pin hole of the input shaft (9); and a fifth snap ring (10) is arranged on the rear side of the rear end spacer of the gear (6), and the fifth snap ring (10) is sleeved on the input shaft (9).
4. The single clutch integrated structure as claimed in claim 1, wherein the front end face of the disc spring set (19) abuts against the rear end face of the piston (20), and the rear end of the disc spring set (19) is provided with a second snap ring (15); the disc spring set (19) and the second snap ring (15) are sleeved on the clutch support (21).
5. A single clutch integrated structure according to claim 1, characterized in that the clutch hub (5) comprises an inclined section (5-1) and a plane section (5-2) which are integrally connected, and the rear end of the inclined section (5-1) and the front end face of the gear wheel (6) are welded; the front end of the plane section (5-2) extends into the piston (20).
6. A single clutch integrated structure according to claim 5, characterized in that the friction plate (43) is splined with the outer side of the plane section (5-2); the dual plate (2) is connected with the inner side surface of the clutch gear ring (1) through a spline.
7. A single clutch integrated structure according to claim 1, characterized in that the space between the recess structure (40) and the piston (20) is a piston chamber (33); a first working oil path (25) communicated with the second working oil path (27) is formed in the clutch support (21), and the first working oil path (25) is communicated to the piston cavity (33).
8. The single clutch integrated structure as claimed in claim 1, wherein the rear end face of the back plate (4) is provided with a first snap ring (3) near the upper edge; two sides of the outer ring of the clutch support (21) are respectively provided with a third snap ring (22).
9. The single clutch integrated structure according to any one of claims 1 to 8, characterized in that a first sealing ring (12) is arranged between the outer ring of the piston (20) and the inner wall of the outer side of the groove structure (40), and a second sealing ring (14) is arranged between the inner ring of the piston (20) and the inner wall of the inner side of the groove structure (40); a third sealing ring (16) is arranged between the input shaft (9) and the clutch support (21), and the third sealing ring (16) is used for preventing the high-pressure oil from running off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910913922.4A CN110701208B (en) | 2019-09-25 | 2019-09-25 | Single clutch integrated configuration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913922.4A CN110701208B (en) | 2019-09-25 | 2019-09-25 | Single clutch integrated configuration |
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| CN110701208A CN110701208A (en) | 2020-01-17 |
| CN110701208B true CN110701208B (en) | 2020-12-15 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692230B (en) * | 2020-05-25 | 2022-03-25 | 中国北方车辆研究所 | Low drag-torque type clutch suitable for high rotating speed |
| CN111609050A (en) * | 2020-06-24 | 2020-09-01 | 盛瑞传动股份有限公司 | Launch clutch for a transmission |
| US11286995B1 (en) * | 2021-04-21 | 2022-03-29 | Deere & Company | Dual-acting piston hydraulic clutch assembly |
| CN113404787A (en) * | 2021-07-28 | 2021-09-17 | 嘉善宏威传动技术股份有限公司 | Flywheel power takeoff of engine |
| CN113738845A (en) * | 2021-09-17 | 2021-12-03 | 山东临工工程机械有限公司 | Hydraulically controlled limited slip differential |
| CN114033813A (en) * | 2021-11-05 | 2022-02-11 | 南京农业大学 | High-power tractor HMCVT axial wet type double clutch |
| CN114233768B (en) * | 2022-01-27 | 2024-04-05 | 南通睿动新能源科技有限公司 | Wet clutch of longitudinally-arranged hybrid gearbox |
| CN114542620A (en) * | 2022-02-25 | 2022-05-27 | 西安双特智能传动有限公司 | Double-lubrication single-side friction material disc clutch |
| CN117948399A (en) * | 2024-03-27 | 2024-04-30 | 陕西法士特汽车传动集团有限责任公司 | Piston control multifunctional differential for agricultural machinery power shift transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2802676C3 (en) * | 1978-01-21 | 1981-10-15 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Lubricating oil metering device for switchable multi-plate clutches that run in an oil bath |
| US4905812A (en) * | 1989-01-26 | 1990-03-06 | J. I. Case Company | Apparatus for cooling a clutch assembly with a hydraulic fluid |
| US6244407B1 (en) * | 1998-09-15 | 2001-06-12 | Borgwarner Inc. | Multi-disk friction device having forced lubrication on demand |
| DE102005053164A1 (en) * | 2005-11-08 | 2007-05-10 | Zf Friedrichshafen Ag | Multi-plate clutch has outer plate carrier, which has ring-shaped recess, in which multi-plate, piston and spring are arranged whereby spring is guided by multi-plate carrier |
| CN106122308B (en) * | 2016-07-05 | 2018-10-19 | 广州汽车集团股份有限公司 | A kind of clutch apparatus for automobile hybrid power speed changer |
| CN110131326B (en) * | 2019-04-26 | 2024-01-19 | 第一拖拉机股份有限公司 | Lubrication flow distribution structure of wet clutch of power shift tractor |
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