CN115111286A - Energy-saving clutch for vehicle sliding - Google Patents
Energy-saving clutch for vehicle sliding Download PDFInfo
- Publication number
- CN115111286A CN115111286A CN202210754677.9A CN202210754677A CN115111286A CN 115111286 A CN115111286 A CN 115111286A CN 202210754677 A CN202210754677 A CN 202210754677A CN 115111286 A CN115111286 A CN 115111286A
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- Prior art keywords
- reverse
- cone
- gear wheel
- jaw clutch
- clutch
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- 230000007246 mechanism Effects 0.000 claims abstract description 191
- 210000001847 jaw Anatomy 0.000 claims description 101
- 230000009467 reduction Effects 0.000 claims description 24
- 239000004579 marble Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 210000003781 tooth socket Anatomy 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- F16D25/061—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having interengaging clutch members
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a vehicle sliding energy-saving clutch which comprises a shell, an input shaft and an output shaft, wherein the input shaft is connected with the output shaft through a bearing; the casing is internally provided with a forward one-way jaw clutch which is arranged at the joint of the input shaft and the output shaft in a mutually matched way, and a reverse one-way jaw clutch, the casing is also internally provided with a disengaging mechanism which is used for controlling the working state of the reverse one-way jaw clutch in a matched way, a locking mechanism and a releasing mechanism, the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged outside the reverse one-way jaw clutch, the disengaging mechanism and the releasing mechanism are movably connected in the casing, the disengaging mechanism can be moved to and fro outside the reverse one-way jaw clutch, the locking mechanism is fixedly connected on the output shaft at the position close to the right end of the casing, and the releasing mechanism can be moved to and fro between the disengaging mechanism and the locking mechanism. The invention fully utilizes the inertia sliding to realize energy saving and solves the negative problems existing in the prior proposal.
Description
Technical Field
The invention belongs to the technical field of vehicle transmission devices, and particularly relates to a vehicle sliding energy-saving clutch.
Background
The energy-saving method has the advantages that the inertia of the vehicle is fully utilized for sliding, so that the energy-saving method is an energy-saving way, meanwhile, the abrasion of parts of the vehicle can be reduced, the service life of the vehicle is prolonged, the energy is saved, and meanwhile, the emission is reduced. Since many years, research schemes for saving energy by utilizing vehicle freewheeling have been endless, but have not been widely applied so far, and the main reason is that the researched schemes can bring negative effects to the vehicle to a certain extent while achieving energy saving by coasting, and the negative effects include that when a clutch in a vehicle coasting mode is switched to a clutch rigid connection state, a vehicle needs to be stopped, and the switching of a clutch working state is not reliable. Therefore, there is a need for a vehicle coasting energy-saving clutch that solves the above problems.
Disclosure of Invention
Aiming at the problems, the invention makes up the defects of the prior art and provides a vehicle sliding energy-saving clutch; the vehicle sliding energy-saving clutch provided by the invention can better solve the negative problems of the existing vehicle energy-saving scheme.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention provides a vehicle sliding energy-saving clutch which comprises a shell, an input shaft and an output shaft, wherein the input shaft and the output shaft are connected through a bearing;
a forward one-way jaw clutch and a reverse one-way jaw clutch which are matched with each other and arranged at the joint of the input shaft and the output shaft are arranged in the shell, the forward one-way jaw clutch comprises a forward driving cone and a forward driven cone which can be meshed and connected, and the reverse one-way jaw clutch comprises a reverse driving cone and a reverse driven cone which can be meshed and connected; the forward driving gear wheel and the reverse driven gear wheel are connected to the input shaft, the forward driving gear wheel is sleeved on the outer side of the reverse driven gear wheel, the forward driven gear wheel and the reverse driving gear wheel are connected to the output shaft, a through hole is formed in the forward driven gear wheel, and the reverse driving gear wheel penetrates through the forward driven gear wheel through the through hole;
the shell is also internally provided with a disengaging mechanism, a locking mechanism and a releasing mechanism which are used for controlling the working state of the reverse one-way jaw clutch in a matching way, the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged outside the reverse one-way jaw clutch, the disengaging mechanism and the releasing mechanism can be movably connected in the shell, the disengaging mechanism can move to and fro outside the reverse one-way jaw clutch, the locking mechanism is fixedly connected to the position on the output shaft close to the right end of the shell, and the releasing mechanism can move to and fro between the disengaging mechanism and the locking mechanism;
the releasing mechanism is used for releasing the engagement of the reverse one-way jaw clutch, the locking mechanism is used for locking the disengaged state of the reverse one-way jaw clutch, and the releasing mechanism is used for releasing the locking and disengaging of the reverse one-way jaw clutch.
Furthermore, the forward driving cone and the forward driven cone as well as the reverse driving cone and the reverse driven cone are respectively provided with a tooth socket and a tooth for meshing connection, an alpha included angle is arranged between a bearing tooth surface and an axial surface of the tooth socket, the alpha included angle is smaller than a friction angle between materials used by the driving cone and the driven cone, and the value range of the alpha included angle is 8-15 degrees.
Furthermore, an elastic noise reduction structure is arranged on the positive driven gear wheel or the positive driving gear wheel, the noise reduction structure is a noise reduction ring, the noise reduction ring is made of elastic materials, and a gear sleeve is arranged on the noise reduction ring and can be matched with and sleeved on the gear teeth of the positive driven gear wheel or the positive driving gear wheel; the positive driven gear wheel or the positive driving gear wheel is provided with a step clamping position, the noise reduction structure is fixedly sleeved on the step clamping position, and the depth of the step clamping position is matched with the thickness of the noise reduction structure.
Furthermore, the forward driven gear is integrally connected with the output shaft, the reverse driving gear comprises a reverse driving gear body and a reverse driving gear sliding ring, the reverse driving gear body is arranged on the inner side of the forward driven gear, one part of the reverse driving gear sliding ring penetrates through a through hole in the forward driven gear and is fixedly connected with the reverse driving gear body, and the other part of the reverse driving gear sliding ring is in matched connection with a spline on the output shaft; the forward driving gear wheel and the reverse driven gear wheel are sleeved on the input shaft and are in matched connection with a spline on the input shaft, and the reverse driven gear wheel is axially fixed on the input shaft; one end of the forward driving gear wheel and one end of the reverse driving gear wheel slip ring are both provided with a first control spring, one end of the first control spring is abutted against the forward driving gear wheel and the reverse driving gear wheel slip ring, and the input shaft and the output shaft are both provided with spring positioning baffles which are matched and abutted against the other end of the first control spring; and the reverse driving gear slip ring is provided with a convex annular stop block and a reverse driving gear locking notch, the convex annular stop block is matched with the release mechanism for use, and the reverse driving gear locking notch is matched with the locking mechanism for use.
Furthermore, the separation mechanism and the release mechanism are connected with a driver, the driver is arranged outside the shell and is provided with an opening, the opening is axially connected with a guide rod, and the separation mechanism and the release mechanism can be connected onto the guide rod in a sliding manner under the driving of the driver so as to realize the reciprocating movement along the guide rod; the disengaging mechanism adopts a shifting fork, the shifting fork comprises a fork body and a guide sleeve, the guide sleeve is fixedly connected to the fork body, the fork body is inserted and sleeved outside the reverse driving cone slip ring and is matched with the convex annular stop block for use, and the guide sleeve is connected to the guide rod; the release mechanism adopts a shifting ring, the shifting ring comprises an annular body and a guide sleeve, the guide sleeve is fixedly connected to the annular body, the annular body is sleeved outside the output shaft and is matched with the locking structure for use, and the guide sleeve is connected to the guide rod; the locking mechanism comprises a lock seat, a lock hook and a torsional spring shaft, the lock seat is fixed on the output shaft, an axle seat is arranged on the lock seat, the lock hook is hinged on the axle seat through the torsional spring shaft and is L-shaped, and a hook end matched with the reverse driving gear wheel locking notch for use is arranged on the L-shaped lock hook.
The separation and locking of the reverse one-way jaw clutch are used for realizing the overrunning slip of the forward one-way jaw clutch, the corresponding vehicle oil release door automatically slides, and the reverse one-way jaw clutch is released to correspond to the reverse drive and the reverse of the vehicle.
Furthermore, a disengaging mechanism, a locking mechanism and a releasing mechanism which are used for controlling the working state of the forward one-way jaw clutch in a matching manner are further arranged in the shell, the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged on the outer side of the forward one-way jaw clutch, both the disengaging mechanism and the releasing mechanism can be movably connected in the shell, the disengaging mechanism can move back and forth on the outer side of the forward one-way jaw clutch, the locking mechanism is fixedly connected to the position, close to the left end of the shell, on the input shaft, and the releasing mechanism can move back and forth between the disengaging mechanism and the locking mechanism; the releasing mechanism is used for releasing the engagement of the positive one-way jaw clutch, the locking mechanism is used for locking the disengagement of the positive one-way jaw clutch, and the releasing mechanism is used for releasing the locking disengagement of the positive one-way jaw clutch.
Furthermore, a clamping groove and a positive driving cone locking notch are formed in a positive driving cone of the positive one-way jaw clutch, the clamping groove is matched with a fork body of the release mechanism for use, and the positive driving cone locking notch is matched with a hook end of the locking mechanism for use.
Furthermore, the driver adopts an electric cylinder, an air cylinder or an oil cylinder, and the electric cylinder, the air cylinder or the oil cylinder drives the separation mechanism and the release mechanism to reciprocate along the guide rod through the telescopic motion of the electric cylinder, the air cylinder or the oil cylinder.
The separation and locking of the positive one-way jaw clutch are used for thoroughly avoiding the contact of the gear teeth when the positive one-way jaw clutch overruns and slips, fundamentally putting an end to the noise source of the knocking of the gear teeth and releasing the positive one-way jaw clutch to drive the vehicle.
Furthermore, the locking mechanism adopts a collision bead structure, and the collision bead structure is arranged between a reverse driving cone of the reverse one-way jaw clutch and the output shaft; the collision bead structure comprises a marble, a second control spring, a blocking cover and a pit which is arranged on the output shaft and used in cooperation with the marble, and the marble and the blocking cover are connected together through the second control spring; a reverse driving cone sliding ring of the reverse driving cone is provided with a channel for mounting and connecting a marble, a second control spring and a blocking cover together, the reverse driving cone sliding ring is also provided with two convex annular stop blocks matched with a release mechanism, and the blocking cover is fixedly connected to the top end of the channel; the locking mechanism with the structure does not need to be provided with a releasing mechanism.
Specifically, the locking mechanism adopts a ball-bumping structure, the use of a release mechanism can be omitted, and the effect of controlling the working state of the reverse one-way jaw clutch can be achieved only by the matching of a release mechanism and the ball-bumping structure.
Further, the vehicle sliding energy-saving clutch also comprises a full-automatic control unit and a sensor; the full-automatic control unit is used for controlling the action processes of the release mechanism and realizing the control of the working states of the reverse one-way jaw clutch and the forward one-way jaw clutch; the sensor is arranged on the shell, the positive driving gear is also provided with driving rotating speed signal teeth, and the positive driven gear is also provided with driven rotating speed signal teeth; the sensor is used with the driving rotating speed signal teeth and the driven rotating speed signal teeth in a matched mode and used for detecting the rotating speed of the forward driving gear wheel and the forward driven gear wheel.
Specifically, the signal input end of the full-automatic control unit is connected with the signal output end of the sensor, and the signal output end of the full-automatic control unit is connected with the driver connected with the separation mechanism and the release mechanism.
Further, the sensor adopts a Hall sensor or an electromagnetic sensor.
The invention has the beneficial effects that:
the invention provides a vehicle sliding energy-saving clutch, which comprises a forward one-way jaw clutch and a reverse one-way jaw clutch which are mutually matched, and also comprises a disengaging mechanism, a locking mechanism and a releasing mechanism which are mutually matched and used for controlling the working state of the reverse one-way jaw clutch; when the reverse one-way jaw clutch is in a disengaged state, the vehicle sliding energy-saving clutch works in an energy-saving mode, namely, the vehicle can slide by inertia as long as an accelerator is loosened, and the energy is saved by fully utilizing the inertia sliding; meanwhile, the reverse one-way jaw clutch is a one-way clutch, and can be ensured to automatically enter into complete meshing when a driving cone and a driven cone of the reverse one-way jaw clutch are contacted by combining the set alpha included angle, so that the negative problem of the conventional scheme is thoroughly solved; by using the energy-saving clutch for vehicle sliding, the energy-saving effect of vehicle sliding is realized, and the problems of stopping and unreliable switching of the working state of the clutch are solved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a vehicle coasting energy-saving clutch provided by the invention.
Fig. 2 is a disassembled view of the driving cone part of the reverse one-way dog clutch of the present invention and a schematic perspective view of a release mechanism, a release mechanism and a locking mechanism engaged therewith.
FIG. 3 is a schematic view showing the expanded state of the jaw teeth grooves of the one-way jaw clutch of the present invention in the engaged state.
FIG. 4 is a schematic perspective view of a noise reducing structure provided on a forward driven cone in accordance with the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the energy-saving clutch for vehicle coasting provided by the invention.
FIG. 6 is a schematic structural diagram of a third embodiment of a coasting energy-saving clutch for a vehicle provided by the invention.
The labels in the figure are: 10 is a forward driving cone, 11 is a tooth socket, 12 is a driving rotation speed signal tooth, 13 is a locking notch of the forward driving cone, 14 is a clamping groove, 15 is a first control spring, 20 is a forward driven cone, 21 is a through hole, 22 is a driven rotation speed signal tooth, 23 is a tooth sleeve, 24 is a gear tooth, 25 is a stepped clamping position, 26 is a noise reduction structure, 30 is a reverse driving cone body, 31 is a reverse driving cone slip ring, 32 is a reverse driving cone locking notch, 33 is an outward convex annular stopper, 34 is a channel, 40 is a reverse driven cone, 41 is a bearing tooth surface, 42 is an axial surface, 50 is an input shaft, 51 is a spline, 52 is a bearing, 53 is a spring positioning baffle, 55 is an output shaft, 60 is a shifting fork, 61 is a fork body, 62 is a guide sleeve, 63 is an annular body, 64 is a guide rod, 65 is a shifting ring, 70 is a locking hook, 71 is a hook end, 72 is a torsion spring shaft, 73 is a lock seat, 74 is a shaft seat, 75 is a second control spring, 76 is a blocking cover, 77 is a marble, 79 is a pit, 80 is a shell, 81 is an opening, and 85 is a sensor.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a vehicle sliding energy-saving clutch includes a housing 80, an input shaft 50 and an output shaft 55, wherein the input shaft 50 is connected with the output shaft 55 through a bearing 52, and the connected input shaft 50 and output shaft 55 penetrate through the housing 80 and are connected with two ends of the housing 80 through the bearing 52; the input shaft 50 and the output shaft 55 are isolated by a bearing 52 and supported on a housing 80 by the bearing 52. A forward one-way jaw clutch and a reverse one-way jaw clutch which are matched with each other and arranged at the joint of the input shaft 50 and the output shaft 55 are arranged in the shell 80, the forward one-way jaw clutch comprises a forward driving cone 10 and a forward driven cone 20 which can be meshed and connected, and the reverse one-way jaw clutch comprises a reverse driving cone and a reverse driven cone 40 which can be meshed and connected; the forward driving cone 10 and the reverse driven cone 40 are connected to the input shaft 50, the forward driving cone 10 is sleeved outside the reverse driven cone 40, the forward driven cone 20 and the reverse driving cone are connected to the output shaft 55, a through hole 21 is formed in the forward driven cone 20, the reverse driving cone penetrates through the through hole 21 to be connected to the forward driven cone 20, and a disengaging mechanism, a locking mechanism and a releasing mechanism which are used for controlling the working state of the reverse one-way jaw clutch in a matching mode are further arranged in the shell 80; the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged outside the reverse one-way jaw clutch, the ends of the disengaging mechanism and the releasing mechanism can be movably connected into the shell 80, the disengaging mechanism can move back and forth outside the reverse one-way jaw clutch, the locking mechanism is fixedly connected to the position, close to the right end of the shell 80, on the output shaft 55, and the releasing mechanism can move back and forth between the disengaging mechanism and the locking mechanism; the disengaging mechanism is used for disengaging the engagement of the reverse one-way jaw clutch, the locking mechanism is used for locking the disengaged state of the reverse one-way jaw clutch, and the releasing mechanism is used for releasing the locking disengagement of the reverse one-way jaw clutch. The forward running torque of the vehicle is transmitted and driven through the forward one-way jaw clutch, and the reverse running torque of the vehicle is transmitted and driven through the reverse one-way jaw clutch.
Specifically, the forward driving cone 10 and the forward driven cone 20, and the reverse driving cone and the reverse driven cone 40 are respectively provided with a tooth socket 11 and a tooth 24 for meshing, an alpha included angle is arranged between a bearing tooth surface 41 and an axial surface 42 of the tooth socket 11, the alpha included angle is smaller than a friction angle between materials used by the driving and driven cones, and the value range of the alpha included angle is 8-15 degrees, so that the driving and driven cones can be ensured to automatically enter a complete meshing state.
Specifically, an elastic noise reduction structure 26 is arranged on the forward driven cone 20 or the forward driving cone 10, the noise reduction structure 26 is a noise reduction ring, the noise reduction ring is made of an elastic material, the elastic material can be high-elasticity rubber or polyurethane, polyurethane is preferably selected in actual production, and the polyurethane is more wear-resistant than the rubber and has better tensile strength; the noise reduction ring is provided with a gear sleeve 23, and the gear sleeve 23 can be matched with and sleeved on the gear teeth 24 of the forward driven gear wheel 20 or the forward driving gear wheel 10; a stepped clamping position 25 is arranged on the forward driven cone 20 or the forward driving cone 10, the noise reduction structure 26 is fixedly sleeved on the stepped clamping position 25, the depth of the stepped clamping position 25 is matched with the thickness of the noise reduction structure 26, and as shown in fig. 4, a schematic three-dimensional structure diagram of the noise reduction structure 26 arranged on the forward driven cone 20 is given; in addition, the width of the tooth spline grooves 11 is greater than the total thickness of the positive driven cone 20 tooth thickness plus noise reduction structure 26. When the positive one-way dog clutch is in a slipping state, the positive driving cone 10 and the positive driven cone 20 are firstly contacted with the high-elasticity noise reduction structure 26 to avoid metal knocking between the positive driving cone 10 and the positive driven cone 20, and when the positive one-way dog clutch is in a driving state, the high-elasticity noise reduction structure 26 does not influence the meshing of the dog clutch.
Specifically, the reverse driving cone comprises a reverse driving cone body 30, a reverse driving cone slip ring 31; the forward driving cone 10 is sleeved on the input shaft 50 and is matched with the spline 51 on the input shaft 50, the reverse driven cone 40 is sleeved on the input shaft 50 on the inner side of the forward driving cone 10 and is matched with the spline 51 on the input shaft 50, and the reverse driven cone 40 is axially fixed on the input shaft 50; the forward driven gear wheel 20 is integrally connected with the output shaft 55, the reverse driving gear wheel body 30 is positioned on the inner side of the forward driven gear wheel 20, four through holes 21 are formed in the forward driven gear wheel 20, the reverse driving gear wheel sliding ring 31 penetrates through the four through holes 21 of the forward driven gear wheel 20 and is correspondingly fixed with four butt joints on the reverse driving gear wheel body 30 through bolts in a matched mode, and the reverse driving gear wheel sliding ring 31 is connected with a spline 51 on the output shaft 55 in a matched mode; one end of the forward driving cone 10 and one end of the reverse driving cone sliding ring 31 are both provided with a first control spring 15, one end of the first control spring 15 abuts against the forward driving cone 10 and the reverse driving cone sliding ring 31, and the input shaft 50 and the output shaft 55 are both provided with spring positioning baffles 53 which are in fit abutment with the other end of the first control spring 15; under the action of the first control spring 15, the forward driving cone 10 may press toward the forward driven cone 20, and the reverse driving cone may press toward the reverse driven cone 40; the reverse driving cone slip ring 31 is provided with a convex annular stopper 33 and a reverse driving cone locking notch 32, the convex annular stopper 33 is matched with the release mechanism for use, and the reverse driving cone locking notch 32 is matched with the locking mechanism for use.
Specifically, the disengaging mechanism and the releasing mechanism are connected with a driver, the driver is arranged outside the shell 80, an opening 81 is arranged on the shell 80, the guide rod 64 is axially connected to the opening 81, and the disengaging mechanism and the releasing mechanism can be slidably connected to the guide rod 64 under the driving of the driver to realize the reciprocating movement along the guide rod 64; the disengaging mechanism adopts a shifting fork 60, the shifting fork 60 comprises a fork body 61 and a guide sleeve 62, the guide sleeve 62 is arranged on the fork body 61, the fork body 61 is inserted and sleeved on the outer side of the reverse driving cone slip ring 31 and is matched with the convex annular stopper 33 for use, and the guide sleeve 62 is connected to a guide rod 64; the release mechanism adopts a shifting ring 65, the shifting ring 65 comprises an annular body 63 and a guide sleeve 62, the guide sleeve 62 is arranged on the annular body 63, the annular body 63 is sleeved outside the output shaft 55 and is matched with the locking structure for use, and the guide sleeve 62 is connected to a guide rod 64; the locking structure comprises a lock seat 73, a lock hook 70 and a torsion spring shaft 72, wherein the lock seat 73 is fixed on the output shaft 55, the lock seat 73 is provided with a shaft seat 74, the lock hook 70 is hinged on the shaft seat 74 through the torsion spring shaft 72, the lock hook 70 is L-shaped, and the L-shaped lock hook 70 is provided with a hook end 71 matched with the reverse driving cone locking notch 32; by twisting the spring shaft 72, it is ensured that the locking hook 70 is also restored to its original position after the action of the toggle 65 of the release mechanism.
Specifically, the release mechanism adopts a shifting fork 60 to shift a reverse driving gear wheel of the reverse one-way jaw clutch to slide on an output shaft 55 to be disengaged from a reverse driven gear wheel 40 of the reverse one-way jaw clutch, and a locking mechanism locks the reverse driving gear wheel at a disengaged position. The locking hook 70 of the locking structure is pressed towards the reverse driving cone locking notch 32 of the reverse driving cone slip ring 31 of the reverse one-way jaw clutch all the time under the action of the torsion spring shaft 72, when the reverse driving cone of the reverse one-way jaw clutch moves to the alignment position of the reverse driving cone locking notch 32 and the hook end 71 of the locking hook 70 under the action of the shifting fork 60 of the disengaging mechanism, the hook end 71 of the locking hook 70 falls into the reverse driving cone locking notch 32, the reverse driving cone of the reverse one-way jaw clutch is locked at the disengaging and engaging position, and at the moment, the shifting fork 60 of the disengaging mechanism is controlled to retract through the full-automatic control unit. The release mechanism uses the shifting ring 65 to shift the locking hook 70 to overcome the elastic force of the torsion spring shaft 72, so that the hook end 71 of the locking hook 70 is separated from the locking notch 32 of the reverse driving cone, and the reverse driving cone of the reverse one-way jaw clutch slides to the meshing position with the reverse driven cone 40 of the reverse one-way jaw clutch again under the action of the first control spring 15.
The separation and locking of the reverse one-way jaw clutch are used for realizing the overrunning slip of the forward one-way jaw clutch, the corresponding vehicle oil release door automatically slides, and the reverse one-way jaw clutch is released to correspond to the reverse drive and the reverse of the vehicle.
With reference to the schematic structural diagram of the second embodiment of the energy-saving clutch for vehicle sliding shown in fig. 5, the housing 80 is further provided with a disengaging mechanism, a locking mechanism and a releasing mechanism for cooperatively controlling the working state of the forward one-way dog clutch, the disengaging mechanism, the locking mechanism and the releasing mechanism are mounted on the outer side of the forward one-way dog clutch, both the disengaging mechanism and the releasing mechanism can be movably connected in the housing 80, the disengaging mechanism can be reciprocally moved on the outer side of the forward one-way dog clutch, the locking mechanism is fixedly connected to the input shaft 50 at a position close to the left end of the housing 80, and the releasing mechanism can be reciprocally moved between the disengaging mechanism and the locking mechanism; the releasing mechanism is used for releasing the engagement of the positive one-way jaw clutch, the locking mechanism is used for locking the disengagement of the positive one-way jaw clutch, and the releasing mechanism is used for releasing the locking disengagement of the positive one-way jaw clutch; a clamping groove 14 and a positive driving cone locking notch 13 are formed in a positive driving cone 10 of the positive one-way jaw clutch, the clamping groove 14 is matched with a fork body 61 of the release mechanism for use, and the positive driving cone locking notch 13 is matched with a hook end 71 of the locking mechanism for use. In such an embodiment, opening 81 in housing 80 and guide rod 64 extend outside of forward drive cone 10 of the forward one-way dog clutch on the input shaft 50 side; meanwhile, the outer side of the housing 80 is also provided with a driver connected with a release mechanism and a release mechanism for controlling the working state of the positive one-way jaw clutch.
When the positive one-way jaw clutch is in a sliding state, the positive driving cone 10 of the positive one-way jaw clutch can be shifted by a shifting fork 60 outside the input shaft 50, so that the positive driving cone slides on the input shaft 50 and is disengaged from the positive driven cone 20, and the positive driving cone is locked at a disengaged position by a locking hook 70 corresponding to the positive driving cone; at this time, the forward driving cone 10 and the forward driven cone 20 of the forward one-way jaw clutch are completely separated, so that contact between the forward driving cone 10 and the forward driven cone 20 during high-speed slip is fundamentally avoided, when the rotating speeds of the forward driving cone 10 and the forward driven cone 20 of the forward one-way jaw clutch approach, the latch hook 70 is shifted by the shift ring 65, the forward driving cone 10 of the forward one-way jaw clutch can be released, and the forward driving cone 10 is pressed to the forward driven cone 20 under the action of the first control spring 15 to prepare for meshing.
The separation and locking of the positive one-way jaw clutch are used for thoroughly avoiding the contact of the gear teeth when the positive one-way jaw clutch overruns and slips, fundamentally putting an end to the noise source of the knocking of the gear teeth and releasing the positive one-way jaw clutch to drive the vehicle.
Referring to fig. 6, a schematic diagram of a third structure of an embodiment of a vehicle sliding energy-saving clutch is shown, in which a locking mechanism adopts a ball-bumping structure, and a ball-bumping structure is arranged between a reverse driving cone of a reverse one-way dog clutch and an output shaft 55; the ball-hitting structure comprises a marble 77, a second control spring 75, a blocking cover 76 and a pit 79 which is arranged on the output shaft 55 and matched with the marble 77 for use, and the marble 77 and the blocking cover 76 are connected together through the second control spring 75; a channel 34 for installing and connecting a marble 77, a second control spring 75 and a blocking cover 76 is arranged on a reverse driving cone sliding ring 31 of the reverse driving cone, two convex annular stoppers 33 matched with a disengaging mechanism are also arranged on the reverse driving cone sliding ring 31, and the blocking cover 76 is fixedly connected to the top end of the channel 34. When the reverse driving cone slip ring 31 of the reverse one-way jaw clutch moves to the position where the marble 77 is close to the pit 79 under the action of the shifting fork 60 of the disengaging mechanism, the marble 77 pops out to fall into the pit 79, the shifting fork 60 of the disengaging mechanism stops, the reverse driving cone of the reverse one-way jaw clutch is locked at the position where the reverse driving cone 40 is disengaged from the meshing position, when the reverse one-way jaw clutch needs to be meshed, the marble 77 can be forced to exit from the pit 79 by the back-pulling of the shifting fork 60 of the disengaging mechanism, so that unlocking is realized, and the reverse driving cone 30 of the reverse one-way jaw clutch enters the meshing position under the action of the first control spring 15. The locking mechanism with the structure does not need to be provided with a releasing mechanism. Specifically, the locking mechanism adopts a ball-bumping structure, the use of a release mechanism can be omitted, and the effect of controlling the working state of the reverse one-way jaw clutch can be achieved only by the matching of a release mechanism and the ball-bumping structure.
Specifically, the vehicle sliding energy-saving clutch further comprises a full-automatic control unit and a sensor 85, wherein the full-automatic control unit is used for controlling the action processes of a release mechanism and realizing the control of the working states of a reverse one-way jaw clutch and a forward one-way jaw clutch; the sensor 85 is arranged on the shell 80, the positive driving cone 10 is also provided with driving rotating speed signal teeth 12, and the positive driven cone 20 is also provided with driven rotating speed signal teeth 22; the sensor 85 is matched with the driving rotation speed signal teeth 12 and the driven rotation speed signal teeth 22 for use and is used for detecting the rotation speed of the forward driving cone 10 and the forward driven cone 20; the signal input end of the full-automatic control unit is connected with the signal output end of the sensor 85, the signal output end of the full-automatic control unit is connected with the driver connected with the separation mechanism and the release mechanism, and the sensor 85 adopts a Hall sensor or an electromagnetic sensor. The real-time rotating speeds of the forward driving cone 10 and the forward driven cone 20 can be obtained through the sensor 85, and the obtained rotating speed signals are transmitted to the full-automatic control unit, so that the full-automatic control unit can control the action processes of the release mechanism and the release mechanism, and the purpose of controlling the working state of the reverse one-way jaw clutch is achieved.
It should be noted that the fully automatic control unit of the vehicle sliding energy-saving clutch provided above is the prior art, and the structure and the control principle thereof are not described herein again. The driver adopts an electric cylinder, an air cylinder or an oil cylinder, and the electric cylinder, the air cylinder or the oil cylinder drives the separation mechanism and the release mechanism to reciprocate along the guide rod 64 through the telescopic motion of the electric cylinder, the air cylinder or the oil cylinder; the electric cylinder, the air cylinder or the oil cylinder are in the prior art, and the structure and the principle of the electric cylinder and the air cylinder are not described in detail herein.
The positive and negative one-way jaw clutches are in a meshing state and are called a rigid connection mode, and the reverse one-way jaw clutches are in and locked in a disengagement state and are called an energy-saving mode; in addition, the full-automatic control unit is provided with a preset mode switch and a mode switching switch to allow human intervention, and can also identify the running conditions unfavorable for sliding and control the forward and reverse one-way jaw clutch to be automatically switched to a rigid connection mode. The vehicle sliding energy-saving clutch of the invention slides in a gear, and the vehicle enters into driving running as long as an accelerator is stepped, thus having the capability of accelerating and escaping danger; the vehicle sliding energy-saving clutch is also provided with a sliding indicator light, and when the rotating speed of the forward driven gear wheel 20 of the forward one-way jaw clutch is greater than the rotating speed of the forward driving gear wheel 10, the sliding indicator light arranged at the tail of the vehicle is turned on to remind the following vehicle in time.
The vehicle sliding energy-saving clutch can be arranged at any position between a self-transmission box and a driving wheel of a vehicle transmission system, when the vehicle sliding energy-saving clutch is arranged in front of a main speed reducer, the torque required to be transmitted by the vehicle sliding energy-saving clutch is smaller, and the structural size of the vehicle sliding energy-saving clutch can be designed to be smaller; when arranged after the final drive, an optimum energy saving rate can be obtained. For a widely adopted small and medium-sized passenger vehicle with a front transverse engine driving front, the vehicle sliding energy-saving clutch can be integrally arranged with a gearbox, and for a front rear-driving vehicle, the vehicle sliding energy-saving clutch can be arranged on a rear axle and integrally arranged with a differential and a main reducer.
When the reverse one-way jaw clutch is in a disengaged state, the invention is in a working state under an energy-saving mode, namely, the vehicle can coast only by loosening the accelerator, and the energy can be saved by fully utilizing the inertia sliding; when the vehicle slides, a main speed reducer, a transmission shaft and a speed changer in front of the energy-saving clutch for the vehicle slide are all in an idle state together with the engine, so that the abrasion of the main speed reducer, the transmission shaft and the speed changer is reduced, and the maintenance mileage is greatly prolonged; the total amount of the discharged harmful substances is reduced through energy conservation; when the invention is in the working state of the energy-saving mode, the conditions that the speed is sharply reduced when the accelerator is loosened and the vehicle is uncomfortable to ride can not occur, and the vehicle can run more stably; the invention can slide in the gear and has the capability of accelerating escape.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (9)
1. A vehicle sliding energy-saving clutch comprises a shell, an input shaft and an output shaft, wherein the input shaft and the output shaft are connected through a bearing; the method is characterized in that:
a forward one-way jaw clutch and a reverse one-way jaw clutch which are matched with each other and arranged at the joint of the input shaft and the output shaft are arranged in the shell, the forward one-way jaw clutch comprises a forward driving cone and a forward driven cone which can be meshed and connected, and the reverse one-way jaw clutch comprises a reverse driving cone and a reverse driven cone which can be meshed and connected; the forward driving gear wheel and the reverse driven gear wheel are connected to the input shaft, the forward driving gear wheel is sleeved on the outer side of the reverse driven gear wheel, the forward driven gear wheel and the reverse driving gear wheel are connected to the output shaft, a through hole is formed in the forward driven gear wheel, and the reverse driving gear wheel penetrates through the forward driven gear wheel through the through hole;
the shell is also internally provided with a disengaging mechanism, a locking mechanism and a releasing mechanism which are used for controlling the working state of the reverse one-way jaw clutch in a matching way, the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged outside the reverse one-way jaw clutch, the disengaging mechanism and the releasing mechanism can be movably connected in the shell, the disengaging mechanism can move to and fro outside the reverse one-way jaw clutch, the locking mechanism is fixedly connected to the position on the output shaft close to the right end of the shell, and the releasing mechanism can move to and fro between the disengaging mechanism and the locking mechanism;
the releasing mechanism is used for releasing the engagement of the reverse one-way jaw clutch, the locking mechanism is used for locking the disengaged state of the reverse one-way jaw clutch, and the releasing mechanism is used for releasing the locking and disengaging of the reverse one-way jaw clutch.
2. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the forward driving cone and the forward driven cone and the reverse driving cone and the reverse driven cone are respectively provided with a tooth socket and a tooth for meshing connection, an alpha included angle is arranged between a bearing tooth surface and an axial surface of the tooth socket, the alpha included angle is smaller than a friction angle between materials used by the driving cone and the driven cone, and the value range of the alpha included angle is 8-15 degrees.
3. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the positive driven gear wheel or the positive driving gear wheel is provided with an elastic noise reduction structure which is a noise reduction ring made of elastic materials, and the noise reduction ring is provided with a gear sleeve which can be sheathed on the positive driven gear wheel or the positive driving gear wheel in a matching way; the positive driven gear wheel or the positive driving gear wheel is provided with a step clamping position, the noise reduction structure is fixedly sleeved on the step clamping position, and the depth of the step clamping position is matched with the thickness of the noise reduction structure.
4. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the reverse driving cone comprises a reverse driving cone body and a reverse driving cone sliding ring, the reverse driving cone body is arranged on the inner side of the forward driven cone, one part of the reverse driving cone sliding ring penetrates through a through hole in the forward driven cone and is fixedly connected with the reverse driving cone body, and the other part of the reverse driving cone sliding ring is connected with a spline on the output shaft in a matching manner; the forward driving gear wheel and the reverse driven gear wheel are sleeved on the input shaft and are in matched connection with a spline on the input shaft, and the reverse driven gear wheel is axially fixed on the input shaft; one end of the forward driving gear wheel and one end of the reverse driving gear wheel slip ring are both provided with a first control spring, one end of the first control spring is abutted against the forward driving gear wheel and the reverse driving gear wheel slip ring, and the input shaft and the output shaft are both provided with spring positioning baffles which are matched and abutted against the other end of the first control spring; and the reverse driving gear slip ring is provided with a convex annular stop block and a reverse driving gear locking notch, the convex annular stop block is matched with the release mechanism for use, and the reverse driving gear locking notch is matched with the locking mechanism for use.
5. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the separation mechanism and the release mechanism are connected with a driver, the driver is arranged on the outer side of the shell, an opening is formed in the shell, a guide rod is axially connected to the opening, and the separation mechanism and the release mechanism can be connected to the guide rod in a sliding mode under the driving of the driver to realize reciprocating movement along the guide rod; the driver adopts an electric push rod, and the release mechanism are driven to do reciprocating motion along the guide rod through the telescopic motion of the electric push rod; the separation mechanism adopts a shifting fork, the shifting fork comprises a fork body and a guide sleeve, the guide sleeve is fixedly connected to the fork body, the fork body is inserted and sleeved on the outer side of the reverse driving gear wheel, and the guide sleeve is connected to a guide rod; the release mechanism adopts a shifting ring, the shifting ring comprises an annular body and a guide sleeve, the guide sleeve is fixedly connected to the annular body, the annular body is sleeved outside the output shaft and is matched with the locking structure for use, and the guide sleeve is connected to the guide rod; the locking mechanism comprises a lock seat, a lock hook and a torsion spring shaft, the lock seat is fixed on the output shaft, the lock seat is provided with a shaft seat, the lock hook is hinged on the shaft seat through the torsion spring shaft, the lock hook is L-shaped, and the L-shaped lock hook is provided with a hook end.
6. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the shell is also internally provided with a disengaging mechanism, a locking mechanism and a releasing mechanism which are used for controlling the working state of the forward one-way jaw clutch in a matching way, the disengaging mechanism, the locking mechanism and the releasing mechanism are arranged outside the forward one-way jaw clutch, the disengaging mechanism and the releasing mechanism can be movably connected in the shell, the disengaging mechanism can move back and forth outside the forward one-way jaw clutch, the locking mechanism is fixedly connected to the position on the input shaft close to the left end of the shell, and the releasing mechanism can move back and forth between the disengaging mechanism and the locking mechanism; the releasing mechanism is used for releasing the engagement of the positive one-way jaw clutch, the locking mechanism is used for locking the disengagement of the positive one-way jaw clutch, and the releasing mechanism is used for releasing the locking disengagement of the positive one-way jaw clutch.
7. A vehicle coasting energy-saving clutch as claimed in claim 6, wherein: a clamping groove and a positive driving cone locking notch are formed in a positive driving cone of the positive one-way jaw clutch, the clamping groove is matched with the release mechanism for use, and the positive driving cone locking notch is matched with the locking mechanism for use.
8. A vehicle coasting energy-saving clutch as claimed in claim 4, wherein: the locking mechanism adopts a ball-bumping structure, and the ball-bumping structure is arranged between a reverse driving cone of the reverse one-way jaw clutch and the output shaft; the collision bead structure comprises a marble, a second control spring, a blocking cover and a pit which is arranged on the output shaft and used in cooperation with the marble, and the marble and the blocking cover are connected together through the second control spring; a reverse driving cone slip ring of the reverse driving cone is provided with a channel for mounting and connecting a marble, a second control spring and a blocking cover together, the reverse driving cone slip ring is also provided with two convex annular stop blocks matched with a release mechanism, and the blocking cover is fixedly connected to the top end of the channel; the locking mechanism with the structure does not need to be provided with a releasing mechanism.
9. A vehicle coasting energy-saving clutch as claimed in claim 1, wherein: the vehicle sliding energy-saving clutch also comprises a full-automatic control unit and a sensor; the full-automatic control unit is used for controlling the action processes of the release mechanism and the release mechanism, the sensor is arranged on the shell, the positive driving gear is also provided with driving rotating speed signal teeth, and the positive driven gear is also provided with driven rotating speed signal teeth; the sensor is used with the driving rotating speed signal teeth and the driven rotating speed signal teeth in a matched mode and used for detecting the rotating speed of the forward driving gear wheel and the forward driven gear wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210754677.9A CN115111286B (en) | 2022-06-30 | 2022-06-30 | Energy-saving clutch for vehicle sliding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210754677.9A CN115111286B (en) | 2022-06-30 | 2022-06-30 | Energy-saving clutch for vehicle sliding |
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| CN115111286A true CN115111286A (en) | 2022-09-27 |
| CN115111286B CN115111286B (en) | 2023-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093580A1 (en) * | 2022-10-31 | 2024-05-10 | 上汽通用五菱汽车股份有限公司 | Electromagnetic clutch convenient for connection and electrification |
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