CN212202898U - Clutch with gearbox output function, gearbox and engineering vehicle - Google Patents
Clutch with gearbox output function, gearbox and engineering vehicle Download PDFInfo
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- CN212202898U CN212202898U CN202020859608.0U CN202020859608U CN212202898U CN 212202898 U CN212202898 U CN 212202898U CN 202020859608 U CN202020859608 U CN 202020859608U CN 212202898 U CN212202898 U CN 212202898U
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- gear shaft
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Abstract
The utility model discloses a clutch with gearbox output function, a gearbox and an engineering vehicle, wherein the clutch comprises a piston assembly, a clutch assembly and an output flange assembly; the clutch assembly comprises a hub body, a gear shaft and an output gear; the piston assembly is arranged in the inner cavity of the hub body, and the hub body gear is arranged in the inner cavity of the hub body through a bearing component; a disc spring component is arranged on a gear shaft positioned in the inner cavity of the hub body and used for realizing the buffering and returning functions of the piston assembly in the working process; the output flange assembly is connected with the gear shaft through a spline, and the output function of the gearbox when the clutch works is achieved. The utility model discloses a clutch compares with current clutch structure, possesses characteristics such as simple structure, economical applicable and maneuverability are strong.
Description
Technical Field
The utility model relates to a clutch with gearbox output function belongs to gearbox technical field.
Background
The clutch is one of the indispensable core spare parts on the gearbox, and its comprehensive performance directly determines the life of gearbox. At present, the clutch adopted by most gearboxes is complex in structure and large in size, only has the function of shifting gears or reversing, and cannot combine the shifting or reversing function with the gearbox output function, so that the clutch is single in use function, narrow in application range, incapable of meeting the use requirements of more gearboxes, and severely limited in further upgrading and optimizing. And the piston working process of most clutches adopts compression spring to cushion and return, and the shock load resistance ability is weak, and the adaptation heavy load operating mode ability is relatively poor, leads to the probability that the clutch breaks down to increase by a wide margin.
Disclosure of Invention
The utility model aims at shifting gears the gearbox course clutch and combining with output function, realize gearbox course clutch and shift with output function's common realization.
The utility model discloses realize according to following technical scheme:
a clutch with gearbox output function comprises a piston assembly, a clutch assembly and an output flange assembly; the clutch assembly comprises a hub body, a gear shaft and an output gear; the piston assembly is arranged in the inner cavity of the hub body, and the hub body gear is arranged in the inner cavity of the hub body through a bearing component; a disc spring component is arranged on a gear shaft positioned in the inner cavity of the hub body and used for realizing the buffering and returning functions of the piston assembly in the working process; the output flange assembly is connected with the gear shaft through a spline, and the output function of the gearbox when the clutch works is achieved.
Furthermore, a hole check ring is arranged in the clamping groove of the hub body, and the gear shaft penetrates into the hub body, so that the small end face of the hub body is flush with the gear end face of the gear shaft; the output gear is arranged on the gear shaft, and an oil passage hole close to one end of the output gear is blocked by the plug.
Further, the output flange assembly comprises an output flange, a dust cover and a dust cover plate; the dustproof cover plate is fixed at the spigot end of the output flange; the dust cover is installed on the outer side face of the output flange.
Further, the piston assembly is composed of a piston, an outer O-shaped sealing ring and an inner O-shaped sealing ring; the outer O-shaped sealing ring and the inner O-shaped sealing ring are respectively installed at the outer groove and the inner groove of the piston.
Furthermore, the dish spring part comprises a plurality of small dish springs and a large dish spring, the small dish springs are used as a return device in the working process of the piston, and the large dish spring is used as a buffer device in the working process of the piston.
Furthermore, the number of the small disc springs is seven; the small disc springs are sequentially arranged through a gear shaft, the large opening of the first small disc spring faces downwards, the subsequent two small disc springs are arranged face to face as a group, and three groups are assembled in total; the opening of the big end of the big disc spring is upward and is tightly attached to the end face of the piston.
Furthermore, a plurality of driven friction plates and a plurality of driving friction plates are further arranged in the inner cavity of the hub body, and the driven friction plates and the driving friction plates are limited through a gland.
Further, the bearing component includes two thrust bearings and two needle bearings; the thrust bearing is arranged on the gear shaft, and then the needle bearing, the spacer bush and the needle bearing are sequentially arranged; the hub gear is arranged in the inner cavity of the hub body, and the other thrust bearing is arranged to be tightly attached to the spigot of the hub gear.
A gearbox is provided with the clutch with the gearbox output function.
An engineering vehicle is provided with the gearbox.
The utility model discloses beneficial effect:
the utility model relates to a clutch with gearbox output function compares with current clutch structure, possesses characteristics such as simple structure, economical applicable and maneuverability are strong. The clutch shifting and output functions are combined in the working process of the gearbox, and the clutch shifting and output functions are realized together in the working process of the gearbox. Adopt big dish spring, little dish spring to do piston working process buffering and return means respectively, possess good damping effect, guarantee that whole atress is steady, even, can bear great impact load, promote the ability that the clutch is suitable for the heavy load operating mode. The clutch adopts a needle bearing and a thrust bearing, so that the impact of radial and axial loads in the working process of the clutch is effectively reduced. Meanwhile, the output flange assembly is connected with a gear shaft of the clutch through a spline, so that the output function of the gearbox is realized when the clutch works; the spline joint has high strength and can bear larger load, a certain length space is reserved in the axial direction, the spline fit effective length can be reasonably adjusted according to the actual needs of the whole machine, and the subsequent disassembly and maintenance are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the clutch assembly of the present invention;
fig. 3 is a schematic structural diagram of the output flange assembly of the present invention.
In fig. 1, the following are identified: 1. The sealing ring comprises sealing rings A, 2, bearings A, 3, a thrust bearing, 4, a hub gear, 5, a needle bearing, 6, a spacer bush, 7, a steel wire retainer ring, 8, a gland, 9, a driven friction plate, 10, a driving friction plate, 11, a shaft retainer ring, 12, a gasket, 13, a small disc spring, 14, a large disc spring, 15, a piston, 16, an outer O-shaped sealing ring, 17, an inner O-shaped sealing ring, 18, a clutch assembly, 19, bearings B, 20, sealing rings B, 21 and an output flange assembly.
In fig. 2, the following symbols are identified: 181. A hub body 182, a hole retainer ring 183, a gear shaft 184, an output gear 185 and a plug;
identified in FIG. 3: 211. Output flange, 212, dust cover, 213, dust cover.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a clutch with a gearbox output function comprises a piston assembly, a clutch assembly 18 and an output flange assembly 21; the clutch assembly 18 includes a hub 181, a gear shaft 183, and an output gear 184; the piston assembly is arranged in the inner cavity of the hub body 181, and the hub body gear 4 is arranged in the inner cavity of the hub body 181 through a bearing component; a disc spring component is arranged on the gear shaft 183 positioned in the inner cavity of the hub body 181 and used for realizing the buffering and returning functions of the piston component in the working process; the output flange assembly 21 is connected with the gear shaft 183 through splines, and the output function of the gearbox when the clutch works in a gear mode is achieved. The spline connection strength is high, the large load can be borne, a certain length space is reserved in the axial direction, the effective matching length of the spline can be reasonably adjusted according to the actual needs of the whole machine, the follow-up disassembly and maintenance are facilitated, the gear shifting function and the output function of the clutch of the gearbox are combined, and the output function of the gearbox is achieved while the gears work.
As shown in fig. 2, a hole retainer ring 182 is arranged in the slot of the hub body 181, and the gear shaft 183 is inserted into the hub body 181, so that the small end surface of the hub body 181 is flush with the gear end surface of the gear shaft 183; the output gear 184 is mounted on the gear shaft 183, and an oil passage hole near one end of the output gear 184 is blocked by a plug 185. The clutch assembly 18 is separately processed and assembled, the hub body 181 and the gear shaft 183 are assembled through the hole retainer ring 182 and the knurl, the output gear 184 and the gear shaft 183 are connected in an interference fit mode through a spline, the bearing capacity is improved, and meanwhile the assembling efficiency of the whole clutch is improved.
As shown in fig. 3, the output flange assembly 21 includes an output flange 211, a dust cover 212, and a dust cover plate 213; the dustproof cover plate 213 is fixed at the spigot end of the output flange 211; a dust cover 212 is mounted on the outside face of the output flange 211.
Continuing to refer to fig. 1, the disc spring component comprises seven small disc springs 13 and one large disc spring 14, the small disc springs 13 are sequentially installed through a gear shaft 183, the large opening of the first small disc spring faces downwards, the subsequent two disc springs are installed face to face as a group, and three groups are assembled; the big end opening of the big disc spring 14 faces upwards and is tightly attached to the end face of the piston 15. Seven small disc springs 13 are adopted as a return device of the working process of the piston, one large disc spring 14 is adopted as a buffer device of the working process of the piston 15, the two are jointly used to ensure that the whole stress of the clutch is stable and uniform, a good vibration damping effect is achieved, the impact load of the working process of the clutch is greatly reduced, and the capability of adapting to heavy-load working conditions is improved.
The bearing components comprise two thrust bearings 3 and two needle bearings 5; the thrust bearing 3 is arranged on the gear shaft 183, and then a needle bearing 5, a spacer 6 and the needle bearing 5 are sequentially arranged; the hub gear 4 is installed in the inner cavity of the hub body 181, and the other thrust bearing 3 is installed to be tightly attached to the stop of the hub gear 4. The needle roller bearing and the thrust bearing can bear larger axial and radial loads, and the bearing and shock load resistance capacity of the clutch is greatly improved.
The utility model discloses assembly flow is roughly as follows:
a first part: the clutch assembly 18 is assembled as shown in fig. 2.
Firstly, the hole retainer ring 182 is arranged in a clamping groove of the hub body 181, and the hole retainer ring is called a two-piece set; then, the two pieces are pressed on the gear shaft 183 by a press machine, and the small end face of the hub body 181 is ensured to be flush with the gear end face of the gear shaft 183, and the hole retainer ring 182 is accurately clamped at the position of the corresponding clamping groove of the gear shaft 183; then the output gear 184 is pressed on the spline of the gear shaft 183 by a press (here, interference fit); finally, the oil passage hole near one end of the output gear 184 is blocked by a plug 185.
A second part: the output flange assembly 21 is assembled as shown in fig. 3.
Firstly, a dustproof cover plate 213 is fixed at the spigot end of an output flange 211 by welding, so that the welding seam is ensured to be uniform, and oil leakage is not allowed to occur; and then the dust cover 212 is mounted to the corresponding position of the output flange 211.
And a third part: assembly the utility model discloses clutch with gearbox output function.
Step 1: an outer O-shaped sealing ring 16 and an inner O-shaped sealing ring 17 are respectively arranged at the outer groove and the inner groove of the piston 15, which are called as piston components, and then the piston components are arranged in the inner cavity of a hub body 181 of a clutch component 18, so that two contact surfaces are ensured to be attached tightly;
step 2: sequentially installing the small disc springs 13 through a gear shaft 183 of the clutch assembly 18 (shown in fig. 2), enabling the large opening of the first small disc spring 13 to face downwards, installing the subsequent two (one pair) of small disc springs face to face, assembling three pairs in total, installing the gasket 12 on the gear shaft 183 of the clutch assembly 18 (shown in fig. 2), and finally fixing the gasket by using a shaft retainer ring 11;
and 3, step 3: installing a large disc spring 14, wherein the opening of the large end is required to be upward and naturally attached to the end face of the piston 15, and then installing a shaft retainer ring 11 to the other clamping groove of the gear shaft 183 of the clutch assembly 18 (shown in figure 2);
and 4, step 4: thirteen plates of the driven friction plate 9 and the driving friction plate 10 are sequentially arranged in the inner cavity of the hub body 181 of the clutch assembly 18 (shown in figure 2) to ensure the natural close state of the driving friction plate and the driven friction plate;
and 5, step 5: installing a gland 8 and positioning through a steel wire check ring 7;
and 6, step 6: the thrust bearing 3 is mounted on a gear shaft 183 of the clutch assembly 18 (shown in fig. 2) and is in close contact with a shaft retainer ring 11, then the needle roller bearing 5, the spacer 6 and the needle roller bearing 5 are sequentially mounted, then the hub gear 4 is mounted in an inner cavity of a hub 181 of the clutch assembly 18 (shown in fig. 2), and then the thrust bearing 3 is mounted and is tightly attached to a spigot of the hub gear 4;
and 7, step 7: respectively installing a bearing A2, a bearing B19, a sealing ring A1 and a sealing ring B20 (two positions in total) to the corresponding positions of the gear shaft 183 of the clutch assembly 18 (shown in FIG. 2);
and 8, step 8: the spline fit is ensured by splined coupling the output flange assembly 21 to the gear shaft 183 of the clutch assembly 18 (shown in fig. 2).
The utility model relates to a clutch with gearbox output function compares with current clutch structure, possesses characteristics such as simple structure, economical applicable and maneuverability are strong. The clutch shifting and output functions are combined in the working process of the gearbox, and the clutch shifting and output functions are realized together in the working process of the gearbox. Adopt big dish spring, little dish spring to do piston working process buffering and return means respectively, possess good damping effect, guarantee that whole atress is steady, even, can bear great impact load, promote the ability that the clutch is suitable for the heavy load operating mode. The clutch adopts a needle bearing and a thrust bearing, so that the impact of radial and axial loads in the working process of the clutch is effectively reduced. Meanwhile, the output flange assembly is connected with a gear shaft of the clutch through a spline, so that the output function of the gearbox is realized when the clutch works; the spline joint has high strength and can bear larger load, a certain length space is reserved in the axial direction, the spline fit effective length can be reasonably adjusted according to the actual needs of the whole machine, and the subsequent disassembly and maintenance are facilitated.
The utility model also discloses a gearbox installs foretell clutch that has gearbox output function.
The utility model also discloses an engineering vehicle installs foretell gearbox.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. A clutch having a transmission output function, characterized in that:
the clutch comprises a piston assembly, a clutch assembly and an output flange assembly;
the clutch assembly comprises a hub body, a gear shaft and an output gear;
the piston assembly is arranged in the inner cavity of the hub body, and the hub body gear is arranged in the inner cavity of the hub body through a bearing component;
a disc spring component is arranged on a gear shaft positioned in the inner cavity of the hub body and used for realizing the buffering and returning functions of the piston assembly in the working process;
the output flange assembly is connected with the gear shaft through a spline, and the output function of the gearbox when the clutch works is achieved.
2. A clutch having a transmission output function according to claim 1, wherein:
a hole check ring is arranged in the clamping groove of the hub body, and the gear shaft penetrates into the hub body, so that the small end face of the hub body is flush with the gear end face of the gear shaft;
the output gear is arranged on the gear shaft, and an oil passage hole close to one end of the output gear is blocked by the plug.
3. A clutch having a transmission output function according to claim 1, wherein:
the output flange assembly comprises an output flange, a dust cover and a dust cover plate;
the dustproof cover plate is fixed at the spigot end of the output flange; the dust cover is installed on the outer side face of the output flange.
4. A clutch having a transmission output function according to claim 1, wherein:
the piston assembly consists of a piston, an outer O-shaped sealing ring and an inner O-shaped sealing ring;
the outer O-shaped sealing ring and the inner O-shaped sealing ring are respectively installed at the outer groove and the inner groove of the piston.
5. A clutch having a transmission output function according to claim 1, wherein:
the disc spring part comprises a plurality of small disc springs and a large disc spring, the small disc springs serve as a return device in the working process of the piston, and the large disc spring serves as a buffer device in the working process of the piston.
6. A clutch having a transmission output function according to claim 5, wherein:
the number of the small disc springs is seven; the small disc springs are sequentially arranged through a gear shaft, the large opening of the first small disc spring faces downwards, the subsequent two small disc springs are arranged face to face as a group, and three groups are assembled in total;
the opening of the big end of the big disc spring is upward and is tightly attached to the end face of the piston.
7. A clutch having a transmission output function according to claim 1, wherein:
and a plurality of driven friction plates and a plurality of driving friction plates are also arranged in the inner cavity of the hub body, and the driven friction plates and the driving friction plates are limited by a gland.
8. A clutch having a transmission output function according to claim 1, wherein:
the bearing component comprises two thrust bearings and two needle roller bearings;
the thrust bearing is arranged on the gear shaft, and then the needle bearing, the spacer bush and the needle bearing are sequentially arranged;
the hub gear is arranged in the inner cavity of the hub body, and the other thrust bearing is arranged to be tightly attached to the spigot of the hub gear.
9. A transmission, characterized by: a clutch having a transmission output function according to any one of claims 1 to 8 is mounted.
10. A work vehicle, characterized in that: a gearbox according to claim 9 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859608.0U CN212202898U (en) | 2020-05-21 | 2020-05-21 | Clutch with gearbox output function, gearbox and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859608.0U CN212202898U (en) | 2020-05-21 | 2020-05-21 | Clutch with gearbox output function, gearbox and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202898U true CN212202898U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020859608.0U Active CN212202898U (en) | 2020-05-21 | 2020-05-21 | Clutch with gearbox output function, gearbox and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202898U (en) |
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2020
- 2020-05-21 CN CN202020859608.0U patent/CN212202898U/en active Active
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