CN111503194B - Clutch brake and hybrid vehicle - Google Patents
Clutch brake and hybrid vehicle Download PDFInfo
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- CN111503194B CN111503194B CN202010351282.5A CN202010351282A CN111503194B CN 111503194 B CN111503194 B CN 111503194B CN 202010351282 A CN202010351282 A CN 202010351282A CN 111503194 B CN111503194 B CN 111503194B
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- output shaft
- housing
- shell
- cylinder
- input shaft
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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
- F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
- F16D67/02—Clutch-brake combinations
- F16D67/04—Clutch-brake combinations fluid actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
Abstract
The invention relates to the technical field of clutch brakes, and particularly discloses a clutch brake and a hybrid vehicle, wherein the clutch brake comprises a shell, a driving disc, a driven disc, an input shaft, an output shaft and a cylinder, the shell is provided with an accommodating cavity, and the wall of the accommodating cavity is provided with a friction surface; the driving disc and the driven disc are both arranged in the accommodating cavity; the input shaft is fixedly connected with the driving disc and is used for being connected with a power source; the output shaft is fixedly connected with the driven disc and is used for being connected with an input shaft of the gearbox; the cylinder can drive the output shaft and move between the combination position and the braking position, when the driven plate is located the combination position, the driven plate is abutted with the driving plate, power output by the power source can be transmitted to the input shaft of the gearbox, when the driven plate is located the braking position, the driven plate is abutted with the friction surface, friction braking can be performed on the output shaft, the structure is simplified, the maintenance is convenient, the cylinder is adopted as driving, related accessories such as a hydraulic oil way do not need to be arranged, the requirement on the sealing performance can be reduced, and the cost is effectively reduced.
Description
Technical Field
The invention relates to the technical field of clutch brakes, in particular to a clutch brake and a hybrid vehicle.
Background
Compared with the traditional fuel vehicle and a pure electric vehicle, the hybrid electric vehicle has obvious advantages in the comprehensive aspects of endurance mileage, energy conservation, emission reduction and the like. The power coupling gearbox is a core component of a hybrid electric vehicle, generally, the power coupling gearbox consists of a planetary gear mechanism, an engine, a motor and a driving shaft are respectively connected with 3 input shafts and 3 output shafts on the power coupling gearbox, and the shaft connecting parts are generally required to be provided with a clutch and a brake according to the requirements of power distribution and switching.
Many hybrid vehicles adopt a hydraulic electromagnetic clutch, and the hydraulic electromagnetic clutch and a brake are designed separately, which results in more parts of the clutch brake and inconvenient maintenance. In addition, the hydraulic electromagnetic clutch adopts a plurality of hydraulically controlled friction plates, so a set of hydraulic oil path and related parts must be added, the whole system of the hydraulic electromagnetic clutch is complex and high in cost, and the hydraulic electromagnetic clutch must be installed in a sealing mode, so that the heat dissipation is difficult.
Disclosure of Invention
The invention aims to: the clutch brake is provided to solve the problems that in the related art, the number of parts of the clutch brake is large due to the fact that a hydraulic electromagnetic clutch and a brake are designed separately, and the problems that a system of the hydraulic electromagnetic clutch brake is complex and the cost is high.
In one aspect, the present invention provides a clutch brake comprising:
the friction surface friction device comprises a shell, a friction plate and a friction plate, wherein the shell is provided with an accommodating cavity;
the driving disc and the driven disc are arranged in the accommodating cavity;
the input shaft is rotatably arranged in the shell in a penetrating way, and is fixedly connected with the driving disc and used for being connected with a power source;
the output shaft is rotatably arranged in the shell in a penetrating mode and is coaxial with the input shaft, and the output shaft is fixedly connected with the driven disc and is used for being connected with an input shaft of the gearbox;
the air cylinder can drive the output shaft to slide relative to the shell along the axial direction of the output shaft, so that the driven disc has a combination position and a braking position, when the driven disc is located at the combination position, the driven disc is abutted to the driving disc and separated from the friction surface, and when the driven disc is located at the braking position, the driven disc is separated from the driving disc and abutted to the friction surface.
As a preferred technical scheme of the clutch brake, the cylinder comprises a cylinder shell which is fixedly connected with the shell and is rotatably sleeved on the output shaft, and a piston which is in sliding fit with the cylinder shell and is fixedly sleeved on the output shaft, the output shaft can slide along the axial direction of the output shaft relative to the cylinder shell, a cavity is arranged in the cylinder shell, and the piston is positioned in the cavity and divides the cavity into a first cavity and a second cavity which are not communicated with each other;
the clutch brake further includes a solenoid valve configured to enable an ambient air source to alternatively communicate the first chamber and the second chamber and an ambient atmosphere to communicate the other of the first chamber and the second chamber.
As a preferred technical scheme of the clutch brake, the cylinder shell comprises a cylinder shell main body and an end cover, the cylinder shell main body is fixedly connected with the shell, the cylinder shell main body is fixedly connected with the end cover and enclosed into the cavity, and the cylinder shell main body and the end cover are both rotatably sleeved on the output shaft.
As a preferred technical scheme of the clutch brake, one of the shell and the cylinder shell main body is provided with an annular positioning protrusion, the other of the shell and the cylinder shell main body is provided with an annular positioning groove, and the positioning protrusion is inserted into the positioning groove.
As a preferable technical scheme of the clutch brake, a ventilation opening communicated with the accommodating cavity is formed in the shell.
As a preferable technical solution of the clutch brake, the housing includes a front housing and a rear housing, the front housing is connected to the rear housing and encloses the accommodation chamber, the friction surface is disposed on the rear housing, the input shaft is rotatably disposed on the front housing, the output shaft is rotatably disposed on the rear housing, and the output shaft can slide along an axial direction of the output shaft relative to the rear housing.
As a preferred technical scheme of the clutch brake, the shell further comprises a spigot structure and a positioning pin;
the spigot structure comprises a convex spigot arranged on the front shell and a concave spigot arranged on the rear shell, and the concave spigot is spliced with the convex spigot;
the front shell is provided with a first positioning pin hole, the rear shell is provided with a second positioning pin hole, and the positioning pins are respectively inserted into the first positioning pin hole and the second positioning pin hole.
As clutch brake's preferred technical scheme, clutch brake still includes first bearing, internal spline axle sleeve and second bearing, the fixed cover of inner circle of first bearing is located the input shaft, the fixed cover in outer lane of first bearing is located the procapsid, internal spline axle sleeve key connect in the output shaft, just the output shaft can be relative the internal spline axle sleeve is followed the axial direction of output shaft slides, the fixed cover in inner circle of second bearing is located the internal spline axle sleeve, the fixed inlay in outer lane of second bearing is located back casing.
As a preferred technical scheme of the clutch brake, an inner spline hole is formed in one end, away from the driven plate, of the output shaft, the inner spline hole is used for being in keyed connection with the input shaft of the gearbox, and the output shaft can slide along the axial direction of the output shaft relative to the input shaft of the gearbox.
In another aspect, the present invention provides a hybrid vehicle, including a first power source, a second power source, a transmission, and two clutch brakes in any one of the above schemes, where the transmission has two transmission input shafts, the first power source is connected with an input shaft of one of the clutch brakes, the second power source is connected with an input shaft of the other clutch brake, and output shafts of the two clutch brakes are connected with the two transmission input shafts, respectively.
The invention has the beneficial effects that:
the invention provides a clutch brake and a hybrid vehicle. The shell is provided with an accommodating cavity, and a friction surface is arranged on the cavity wall of the accommodating cavity; the driving disc and the driven disc are both arranged in the accommodating cavity; the input shaft is rotatably arranged in the shell in a penetrating way, and is fixedly connected with the driving disc and used for being connected with a power source; the output shaft is rotatably arranged through the shell and is coaxial with the input shaft, and the output shaft is fixedly connected with the driven disc and is used for being connected with an input shaft of the gearbox; the cylinder can drive the output shaft to slide along the axial direction of the output shaft relative to the shell, so that the driven disc has a combination position and a braking position, when the driven disc is located at the combination position, the driven disc is abutted to the driving disc and separated from the friction surface, and when the driven disc is located at the braking position, the driven disc is separated from the driving disc and abutted to the friction surface. When the driven plate is located the hookup location, the power of power supply output can transmit to the gearbox input shaft, when the driven plate is located braking position, the power transmission disconnection between power supply and the gearbox, and carry out friction braking to the output shaft to, this clutch brake has the effect of separation and reunion and braking simultaneously concurrently, and the structure is retrencied, and it is convenient to maintain, and adopt the cylinder as the drive, need not to set up relevant accessories such as hydraulic pressure oil circuit, can reduce the requirement to sealing performance, can effectively reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of a clutch brake according to an embodiment of the present invention.
In the figure:
1. a housing; 11. a front housing; 12. a rear housing; 13. an accommodating chamber;
2. a driving disk;
3. a driven plate;
4. an input shaft;
5. an output shaft; 51. an inner splined bore;
6. a cylinder; 61. a cylinder case; 611. a cylinder shell main body; 612. an end cap; 613. a first chamber; 614. a second chamber; 62. a piston;
7. a bolt;
8. an electromagnetic valve;
91. a first bearing; 92. an internal spline shaft sleeve; 93. a second bearing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "engaged position" and "detent position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, the first feature is directly above and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; 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.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1, the present embodiment provides a clutch brake including a housing 1, driving discs 2, driven discs 3, an input shaft 4, an output shaft 5, and a cylinder 6. The shell 1 is provided with an accommodating cavity 13, and a friction surface is arranged on the cavity wall of the accommodating cavity 13; the driving disc 2 and the driven disc 3 are both arranged in the accommodating cavity 13; the input shaft 4 is rotatably arranged in the shell 1 in a penetrating way, and the input shaft 4 is fixedly connected with the driving disc 2 and is used for being connected with a power source; the output shaft 5 is rotatably arranged through the shell 1 and is coaxial with the input shaft 4, and the output shaft 5 is fixedly connected with the driven disc 3 and is used for being connected with an input shaft of the gearbox; the cylinder 6 can drive the output shaft 5 to slide relative to the housing 1 in the axial direction of the output shaft 5, so that the driven disc 3 has an engagement position and a braking position, the driven disc 3 is in contact with the driving disc 2 and is separated from the friction surface when the driven disc 3 is at the engagement position, and the driven disc 3 is separated from the driving disc 2 and is in contact with the friction surface when the driven disc 3 is at the braking position. When the driven disc 3 is located at a braking position, the driven disc 3 is separated from the driving disc 2, the power transmission between the power source and the gearbox is disconnected, and the driven disc 3 is abutted to a friction surface on the shell 1 to perform friction braking on the output shaft 5. Therefore, the clutch brake has the effects of clutch and brake, is simple in structure and convenient to maintain, adopts the cylinder 6 as a drive, does not need to be provided with related accessories such as a hydraulic oil way and the like, can reduce the requirement on the sealing performance, and can effectively reduce the cost.
In this embodiment, the housing 1 includes a front housing 11 and a rear housing 12, the front housing 11 is connected to the rear housing 12 and is enclosed to form an accommodating cavity 13, a friction surface is disposed on the rear housing 12, the input shaft 4 is rotatably disposed on the front housing 11, the output shaft 5 is rotatably disposed on the rear housing 12, and the output shaft 5 can slide along the axial direction of the output shaft 5 relative to the rear housing 12. Specifically, the front case 11 and the rear case 12 are fixed by a plurality of bolts 7. Preferably, the housing 1 further comprises a spigot structure and a positioning pin; the seam allowance structure comprises a convex seam allowance arranged on the front shell 11 and a concave seam allowance arranged on the rear shell 12, and the concave seam allowance is spliced with the convex seam allowance; a first positioning pin hole is formed in the front shell 11, a second positioning pin hole is formed in the rear shell 12, and the positioning pins are respectively inserted into the first positioning pin hole and the second positioning pin hole. When assembled, the alignment of the bearing holes on the front housing 11 and the rear housing 12 can be ensured through the seam allowance, and the alignment of the front housing 11 and the rear housing 12 in the angle direction can be ensured through the positioning pin. Optionally, the housing 1 is provided with vents (not shown in the drawings) communicating with the accommodating cavities 13, so as to facilitate heat dissipation of the driving disk 2 and the driven disk 3, specifically, the vents may be provided in the front housing 11 or the rear housing 12, and the number of the vents may be set as required.
Optionally, the cylinder 6 includes a cylinder housing 61 fixed to the housing 1 and rotatably sleeved on the output shaft 5, and a piston 62 slidably engaged with the cylinder housing 61 and fixedly sleeved on the output shaft 5; the output shaft 5 can slide along the axial direction of the output shaft 5 relative to the cylinder shell 61, a cavity is arranged in the cylinder shell 61, the piston 62 is positioned in the cavity and divides the cavity into a first cavity 613 and a second cavity 614 which are not communicated with each other, an external air source can alternatively communicate the first cavity 613 and the second cavity 614, and external atmosphere can communicate the other one of the first cavity 613 and the second cavity 614. In this embodiment, the first cavity 613 is far away from the driven disc 3 relative to the second cavity 614, when the first cavity 613 is communicated with an external air source and the second cavity 614 is communicated with the external atmosphere, the external air source provides compressed air to the first cavity 613 and pushes the piston 62 to compress the air in the second cavity 614 to be discharged into the external atmosphere, and the piston 62 drives the output shaft 5 and the driven disc 3 to move, so that the driven disc 3 is abutted to the driving disc 2, and power is transmitted to the gearbox by the power source; when the second chamber 614 is communicated with an external air source and the first chamber 613 is communicated with the external atmosphere, the external air source provides compressed air to the second chamber 614 and pushes the piston 62 to compress the air in the first chamber 613 to be discharged into the external atmosphere, the output shaft 5 and the driven disc 3 are driven to move through the piston 62, so that the driven disc 3 is abutted to the friction surface and separated from the driving disc 2, the power transmission between the power source and the gearbox is disconnected, and the output shaft 5 is braked. The clutch brake takes compressed air as clutch power and also as pressing force between the driven disc 3 and the driving disc 2, and can play a role of a common clutch diaphragm spring, so that the use number of system parts can be reduced; the compressed air is only consumed in the process of driving the output shaft 5 to move, so that the air consumption is very low, and the compressed air can be shared with other equipment of the vehicle, so that the cost of the whole vehicle is not increased; at the same time, compressed air allows for small leaks, requires much less sealing performance than hydraulic systems, and is cleaner and maintenance free relative to hydraulic systems.
Specifically, the clutch brake further includes a solenoid valve 8, and the solenoid valve 8 is configured to allow an external air source to communicate with the first chamber 613 and the second chamber 614 alternatively, and the external atmosphere can communicate with the other of the first chamber 613 and the second chamber 614. The embodiment exemplarily shows that the solenoid valve 8 is a two-position five-way solenoid valve, the solenoid valve 8 has a port P, a port a, a port B, a port R1 and a port R2, the port P is communicated with an external air source, the ports R1 and R2 are both communicated with the external atmosphere, the port a is communicated with the first cavity 613, the port B is communicated with the second cavity 614, and the solenoid valve 8 can communicate the port P with the port a and communicate the port B with the port R2; alternatively, the solenoid valve 8 can communicate the port P with the port B and communicate the port a with the port R1.
The cylinder housing 61 includes a housing main body 611 and an end cover 612, the housing main body 611 is fixedly connected with the rear housing 12, and specifically, the housing main body 611 is fixed with the rear housing 12 by a plurality of bolts 7. The cylinder shell main body 611 is fixedly connected with the end cover 612 and encloses a cavity, the cylinder shell main body 611 and the end cover 612 are both rotatably sleeved on the output shaft 5, the output shaft 5 can slide along the axial direction of the output shaft 5 relative to the cylinder shell main body 611 and the end cover 612, grease can be coated on the outer peripheral surface of the output shaft 5 for the convenience of sliding, and meanwhile, the grease can play a role in sealing. Preferably, one of the rear housing 12 and the cylinder housing main body 611 is provided with an annular positioning protrusion (not shown in the drawings), and the other of the rear housing 12 and the cylinder housing main body 611 is provided with an annular positioning groove (not shown in the drawings), and the positioning protrusion is inserted into the positioning groove, so that the stable connection position between the housing 1 and the cylinder housing main body 611 is maintained, and the stable position between the cylinder housing main body 611 and the output shaft 5 is further ensured. In this embodiment, the cylinder housing body 611 is provided with a first port and a second port, respectively, wherein the first port is communicated with the first chamber 613 only and connected with the port a through a pipeline, the second port is communicated with the second chamber 614 only and connected with the port B through a pipeline, preferably, the first port and the second port are respectively located at the extreme positions of the movement of the piston 62, and the first port and the second port are not completely shielded by the piston 62.
The clutch brake further comprises a first bearing 91, an inner spline shaft sleeve 92 and a second bearing 93, the input shaft 4 is fixedly sleeved on an inner ring of the first bearing 91, the front shell 11 is fixedly embedded on an outer ring of the first bearing 91, the inner spline shaft sleeve 92 is connected with the output shaft 5 in a key mode, the output shaft 5 can slide along the axial direction of the output shaft 5 relative to the inner spline shaft sleeve 92, the inner spline shaft sleeve 92 is fixedly sleeved on an inner ring of the second bearing 93, and the rear shell 12 is fixedly embedded on an outer ring of the second bearing 93. The friction between the input shaft 4 and the front housing 11, the internally splined sleeve 92 and the rear housing 12 can be reduced by providing the first bearing 91 and the second bearing 93.
Alternatively, the end of the output shaft 5 remote from the driven plate 3 is provided with an internally splined hole 51, the internally splined hole 51 is used for keying with the transmission input shaft, and the output shaft 5 can slide relative to the transmission input shaft along the axial direction of the output shaft 5.
The embodiment also provides a hybrid vehicle, which comprises the clutch brake in the scheme, a power source and a gearbox. Specifically, the two power sources are respectively a first power source and a second power source, one of the first power source and the second power source is an engine, the other one of the first power source and the second power source is a motor, the gearbox is provided with two gearbox input shafts and a gearbox output shaft, the engine and the motor are respectively connected with the input shafts 4 of the two clutch brakes, and the output shafts 5 of the two clutch brakes are respectively in key connection with the two gearbox input shafts.
Alternatively, the input shaft 4 may be shared as a crankshaft of an engine or a motor shaft, the front housing 11 may be shared as a rear end surface of a cylinder block for a clutch brake connected to the engine, and the first bearing 91 may be shared as a bearing between the crankshaft and the rear end surface of the cylinder block. Thus, the number of parts can be further reduced, and the cost can be reduced.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A clutch brake, comprising:
the friction-free friction-free housing is characterized in that the housing (1) is provided with a containing cavity (13);
the driving disc (2) and the driven disc (3) are arranged in the accommodating cavity (13);
the input shaft (4) is rotatably arranged in the shell (1) in a penetrating mode, and the input shaft (4) is fixedly connected with the driving disc (2) and is used for being connected with a power source;
the output shaft (5) is rotatably arranged in the shell (1) in a penetrating manner and is coaxial with the input shaft (4), and the output shaft (5) is fixedly connected with the driven disc (3) and is used for being connected with an input shaft of a gearbox;
the cylinder (6) can drive the output shaft (5) to slide along the axial direction of the output shaft (5) relative to the shell (1) so as to enable the driven disc (3) to have a combination position and a braking position, when the driven disc (3) is located at the combination position, the driven disc (3) is abutted against the driving disc (2) and separated from the friction surface, when the driven disc (3) is located at the braking position, the driven disc (3) is separated from the driving disc (2) and abutted against the friction surface, the cylinder (6) comprises a cylinder shell (61) which is fixedly connected with the shell (1) and rotatably sleeved on the output shaft (5), and a piston (62) which is in sliding fit with the cylinder shell (61) and fixedly sleeved on the output shaft (5), and the output shaft (5) can slide along the axial direction of the output shaft (5) relative to the cylinder shell (61), the cylinder shell (61) is internally provided with a chamber, the piston (62) is positioned in the chamber and divides the chamber into a first cavity (613) and a second cavity (614) which are not communicated with each other;
the clutch brake further comprises a solenoid valve (8), the solenoid valve (8) being configured to enable an ambient air supply to alternatively communicate the first chamber (613) and the second chamber (614), and an ambient atmosphere to communicate the other of the first chamber (613) and the second chamber (614).
2. The clutch brake as recited in claim 1, characterized in that the cylinder housing (61) comprises a cylinder housing main body (611) and an end cover (612), the cylinder housing main body (611) is fixedly connected with the housing (1), the cylinder housing main body (611) is fixedly connected with the end cover (612) and encloses the chamber, and the cylinder housing main body (611) and the end cover (612) are both rotatably sleeved on the output shaft (5).
3. The clutch brake as claimed in claim 2, characterized in that one of the housing (1) and the cylinder housing main body (611) is provided with an annular positioning projection, and the other of the housing (1) and the cylinder housing main body (611) is provided with an annular positioning groove, with which the positioning projection is plugged.
4. Clutch brake according to claim 1, characterized in that the housing (1) is provided with a ventilation opening communicating with the receiving cavity (13).
5. The clutch brake as claimed in claim 1, characterized in that the housing (1) comprises a front housing (11) and a rear housing (12), the front housing (11) is connected to the rear housing (12) and encloses the receiving chamber (13), the friction surfaces are arranged in the rear housing (12), the input shaft (4) is rotatably arranged in the front housing (11), the output shaft (5) is rotatably arranged in the rear housing (12), and the output shaft (5) is slidable relative to the rear housing (12) in the axial direction of the output shaft (5).
6. Clutch brake according to claim 5, characterized in that the housing (1) further comprises a spigot structure and a locating pin;
the spigot structure comprises a convex spigot arranged on the front shell (11) and a concave spigot arranged on the rear shell (12), and the concave spigot is spliced with the convex spigot;
the front shell (11) is provided with a first positioning pin hole, the rear shell (12) is provided with a second positioning pin hole, and the positioning pins are respectively inserted into the first positioning pin hole and the second positioning pin hole.
7. The clutch brake as claimed in claim 5, further comprising a first bearing (91), an inner spline shaft sleeve (92) and a second bearing (93), wherein the inner ring of the first bearing (91) is fixedly sleeved on the input shaft (4), the outer ring of the first bearing (91) is fixedly embedded in the front housing (11), the inner spline shaft sleeve (92) is connected to the output shaft (5) in a key manner, the output shaft (5) can slide along the axial direction of the output shaft (5) relative to the inner spline shaft sleeve (92), the inner ring of the second bearing (93) is fixedly sleeved on the inner spline shaft sleeve (92), and the outer ring of the second bearing (93) is fixedly embedded in the rear housing (12).
8. A clutch brake according to claim 1, characterized in that the end of the output shaft (5) remote from the driven disc (3) is provided with an internally splined bore (51), which internally splined bore (51) is intended for keyed connection with the gearbox input shaft, and that the output shaft (5) is slidable relative to the gearbox input shaft in the axial direction of the output shaft (5).
9. Hybrid vehicle, characterized in that it comprises a first power source, a second power source, a gearbox and two clutch brakes according to any of claims 1-8, said gearbox having two gearbox input shafts, said first power source being connected to the input shaft (4) of one of said clutch brakes, said second power source being connected to the input shaft (4) of the other of said clutch brakes, and the output shafts (5) of both said clutch brakes being connected to the two gearbox input shafts, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010351282.5A CN111503194B (en) | 2020-04-28 | 2020-04-28 | Clutch brake and hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010351282.5A CN111503194B (en) | 2020-04-28 | 2020-04-28 | Clutch brake and hybrid vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111503194A CN111503194A (en) | 2020-08-07 |
| CN111503194B true CN111503194B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010351282.5A Active CN111503194B (en) | 2020-04-28 | 2020-04-28 | Clutch brake and hybrid vehicle |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531020A (en) * | 2021-07-31 | 2021-10-22 | 上海应用技术大学 | Electro-rheological clutch with brake |
| CN116480700B (en) * | 2023-04-26 | 2024-03-19 | 广州汽车集团股份有限公司 | Power transmission device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA932281A (en) * | 1970-03-16 | 1973-08-21 | Horton Manufacturing Company | Combination clutch-brake |
| DE3135055A1 (en) * | 1981-09-04 | 1983-04-07 | Jörg Prof. Dipl.-Ing. 7072 Heubach Linser | Brake/clutch combination |
| CN201582336U (en) * | 2009-08-25 | 2010-09-15 | 上海宇意机械有限公司 | Pneumatic split friction-plate clutch and brake and corresponding transmission system |
| CN201763860U (en) * | 2010-08-27 | 2011-03-16 | 金丰机器工业股份有限公司 | Combined-type clutch brake device |
| CN205101442U (en) * | 2015-10-08 | 2016-03-23 | 无锡职业技术学院 | Combination formula air operated friction clutch stopper that terminal surface admitted air |
-
2020
- 2020-04-28 CN CN202010351282.5A patent/CN111503194B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA932281A (en) * | 1970-03-16 | 1973-08-21 | Horton Manufacturing Company | Combination clutch-brake |
| DE3135055A1 (en) * | 1981-09-04 | 1983-04-07 | Jörg Prof. Dipl.-Ing. 7072 Heubach Linser | Brake/clutch combination |
| CN201582336U (en) * | 2009-08-25 | 2010-09-15 | 上海宇意机械有限公司 | Pneumatic split friction-plate clutch and brake and corresponding transmission system |
| CN201763860U (en) * | 2010-08-27 | 2011-03-16 | 金丰机器工业股份有限公司 | Combined-type clutch brake device |
| CN205101442U (en) * | 2015-10-08 | 2016-03-23 | 无锡职业技术学院 | Combination formula air operated friction clutch stopper that terminal surface admitted air |
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| Publication number | Publication date |
|---|---|
| CN111503194A (en) | 2020-08-07 |
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