CN110107668B

CN110107668B - Oil-gas hybrid gearbox

Info

Publication number: CN110107668B
Application number: CN201910367500.1A
Authority: CN
Inventors: 陆永翠
Original assignee: Lu'an Yongzhen Grizzly Electrical And Mechanical Technology Co ltd
Current assignee: LU'AN YONGZHEN GRIZZLY ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd.
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2021-01-08
Anticipated expiration: 2039-05-05
Also published as: CN110107668A

Abstract

The invention provides an oil-gas hybrid high-efficiency gearbox, which comprises a gearbox body and a pneumatic device, wherein the gearbox body comprises a power main shaft, a variable-speed transmission part and a transition shaft, the transition shaft is used for receiving power output by the power main shaft and transmitting the power to the variable-speed transmission part, the driving end of the power main shaft is connected with an engine, the output end of the power main shaft is coaxially and movably sleeved with a driving gear I, the transition shaft is coaxially and fixedly sleeved with a driven gear I, a driven gear II and an output gear, the driving end of the output gear variable-speed transmission part is connected, the driven gear I is meshed with the driving gear I, a clutch is arranged between the power main shaft and the driving gear I, the pneumatic device comprises a high-pressure gas tank, a pneumatic motor and an inflator pump which are detachably arranged outside a casing, the output shaft, the axial direction of the second driving gear is parallel to the axial direction of the transition shaft, and the second driving gear is meshed with the second driven gear.

Description

Oil-gas hybrid gearbox

Technical Field

The invention relates to a gearbox, in particular to an oil-gas hybrid gearbox.

Background

Generally, when the engine speed of an automobile is maintained between 2000-2500 revolutions, the power transmission efficiency of the engine to a gearbox is the highest, and at the moment, the fuel economy of the engine reaches the best and the carbon deposition phenomenon is not easy to generate, as is known, the daily automobile is famous for good fuel economy, the engine speed is about 1500 revolutions under the state that the automobile is forbidden to idle, the engine speed is actively automatically downshifted/upshifted during the automobile running process, and the engine speed is controlled between 2000-2500 revolutions as much as possible, but the CVT has the defect that the CVT is troubled by vast drivers, and as the engine speed cannot be rapidly pulled up, the CVT is enabled to utilize the advantage that the traditional manual gearbox can rapidly pull up the engine speed, and on the other hand, the power transmission efficiency of the engine to the gearbox needs to be improved, therefore, the applicant designs an oil-gas hybrid efficient gearbox which is ingenious in structure and simple in principle.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the oil-gas hybrid efficient gearbox which is ingenious in structure and simple in principle.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

An oil-gas hybrid transmission comprises a transmission body and a pneumatic device arranged on the transmission body, wherein the transmission body comprises a power main shaft, a variable transmission part and a transition shaft which are arranged in parallel, the transition shaft is used for receiving power output by the power main shaft and transmitting the power to the variable transmission part, the driving end of the power main shaft is connected with an engine, the output end of the power main shaft is coaxially and movably sleeved with a driving gear I, the transition shaft is coaxially and fixedly sleeved with a driven gear I, a driven gear II and an output gear, the output gear is positioned between the driven gear I and the driven gear II and is connected with the driving end of the variable transmission part, the driven gear I is meshed with the driving gear I, and the pneumatic device is used for transmitting power to the driven gear II to assist the driving of the engine to;

the transmission body also comprises a shell and a sealing end cover which are covered outside the power main shaft, the variable-speed transmission part and the transition shaft, the shell and the sealing end cover form a transmission case shell, the driving end of the power main shaft extends to the outside of the transmission case shell to be connected with an engine, the output end of the variable-speed transmission part extends to the outside of the transmission case shell to be connected with a front shaft/rear shaft of an automobile through a differential mechanism, a clutch is coaxially sleeved on the output end of the power main shaft, the clutch comprises a fixed ring body coaxially and fixedly connected with the power main shaft and a movable ring body coaxially and movably connected with the power main shaft, the fixed ring body and the movable ring body can be switched between a separation state and a combination state, and a first driving gear is coaxially and fixedly connected with the movable ring;

the transition shaft is sleeved with an overrunning clutch, and the overrunning clutch comprises a first overrunning clutch and a second overrunning clutch, wherein the first overrunning clutch is used for transmitting the power of the driven gear I to the transition shaft in a one-way mode, and the second overrunning clutch is used for transmitting the power of the driven gear II to the transition shaft in a one-way mode;

the pneumatic device comprises a high-pressure gas tank, a pneumatic motor and an inflator pump which are detachably mounted outside the casing, an output shaft of the pneumatic motor extends to the inside of the casing of the gearbox, a second driving gear is coaxially fixed and sleeved at the extending end, the second driving gear is axially parallel to the transition shaft and is meshed with a second driven gear, an exhaust interface of the high-pressure gas tank is connected with the pneumatic motor, and an inflation pipe used for communicating the second driving gear with the driven gear is arranged between an air inlet interface of the high-pressure gas tank and the inflator pump.

As a further optimization or improvement of the present solution.

The air valve mechanism is arranged between the high-pressure air tank and the pneumatic motor and used for controlling the on-off of high-pressure air transmission between the high-pressure air tank and the pneumatic motor, the air valve mechanism comprises a first mounting frame fixedly connected with the outer part of the shell, a second mounting frame is arranged on the first mounting frame, a cylindrical air cylinder jointly formed by an air cylinder body and a second cylinder cover is arranged on the second mounting frame, a second piston push rod extending outwards through the cylinder cover is arranged in the air cylinder, the second piston push rod and the air cylinder form sealed sliding guide fit along the axial direction of the second piston push rod, an air inlet pipe for communicating the two air inlet pipes and the air cylinder and the pneumatic motor are arranged between the air cylinder and the high-pressure air tank, an exhaust pipe for communicating the two air inlet pipes is arranged between the air cylinder and the pneumatic, an annular groove is coaxially formed in the outer part of the piston push rod II;

the extension end of the piston push rod II is connected with a rack II parallel to the axial direction of the piston push rod II, the rack II and the fixing frame II form sliding guide fit along the axial direction of the air cylinder, a control motor II is fixedly installed on the fixing frame II, a control gear II is coaxially and fixedly sleeved on the output end of the control motor II, and the control gear II is meshed with the rack II.

As a further optimization or improvement of the present solution.

The sealing end cover is fixedly provided with a second mounting frame, a hollow cylindrical frame is arranged on the second mounting frame, the axial direction of the cylindrical frame is parallel to the axial direction of the power main shaft, the inflator pump is coaxially and fixedly connected with the cylindrical frame, the driving end of the inflator pump is coaxially provided with an air pump shaft, the cylindrical frame is rotatably provided with a transmission shaft, a belt transmission assembly for connecting the transmission shaft and the power main shaft is arranged between the transmission shaft and the power main shaft, and a sliding shaft for coaxially connecting the transmission shaft and the air pump shaft is arranged between the transmission shaft and the air;

the transmission shaft is arranged in a hollow way, the driving end of the sliding shaft is sleeved in the transmission shaft, the outer circular surface of the sliding shaft is in spline connection and matching with the inner circular surface of the transmission shaft, the sliding shaft can slide along the axial direction of the transmission shaft, the air pump shaft is arranged in a hollow way, the output end of the sliding shaft is sleeved in the air pump shaft, the outer circular surface of the sliding shaft is in spline connection and matching with the inner circular surface of the air pump shaft, the sliding shaft can slide along the axial direction of the air pump shaft, the spline connection and matching between the sliding shaft and the air pump shaft can be released along with the sliding shaft approaching the transmission shaft, and, the air pump is characterized in that an external step is coaxially arranged on the outer circular surface of the middle position of the sliding shaft along the length direction of the sliding shaft, a compression spring is movably sleeved outside the sliding shaft, one end of the compression spring is abutted against the external step, the other end of the compression spring is abutted against the end part of the cylinder frame, and the elastic force of the compression spring always pushes the sliding shaft to slide towards the air pump shaft.

As a further optimization or improvement of the present solution.

The inflator pump also comprises an automatic cutting-off component sleeved outside the air pump shaft, wherein the automatic cutting-off component is used for detecting the air pressure in the high-pressure air tank and driving the sliding shaft to slide close to the transmission shaft;

the automatic cutting-off component comprises a sleeve coaxially movably sleeved on the shaft of the air pump, one end of the sleeve, which is close to the inflator pump, is provided with a cylindrical piston inner cavity parallel to the axial direction of the sleeve, the piston inner cavity is provided with a plurality of piston push rods which are arrayed along the circumferential direction of the sleeve, one end of the sleeve, which is close to the inflator pump, is provided with an end cover used for sealing the piston inner cavity, the end cover is fixedly connected with the end part of the cylinder frame, a piston push rod III which forms a sealed sliding guide fit with the piston inner cavity is arranged in the piston inner cavity, the piston push rod III deviates from the inflator pump and extends to the outside of the piston inner cavity, the automatic cutting-off component also comprises an annular pushing plate coaxially movably sleeved outside the sliding shaft, the pushing plate is positioned between an external step and the piston push rod III, one;

an isobaric guide pipe for connecting the piston inner cavity and the high-pressure gas tank is arranged between the piston inner cavity and the high-pressure gas tank.

As a further optimization or improvement of the present solution.

The clutch is hydraulically controlled, is more labor-saving and convenient to control, and comprises a synchronous sliding sleeve in spline connection and matching with the power spindle, the synchronous sliding sleeve and the power spindle are coaxially arranged and can slide along the axial direction of the power spindle, a synchronous disc is coaxially sleeved on the outer circular surface of the synchronous sliding sleeve, the synchronous disc and the synchronous sliding sleeve form sliding guide matching along the axial direction of the power spindle, an arc-shaped mounting groove I matched with the synchronous disc is formed in the outer circular surface of the synchronous disc, the mounting groove I penetrates through to one end surface of the synchronous disc, which is close to the driving end of the power spindle, three mounting grooves are formed in the first mounting groove and are arranged in an array manner along the circumferential direction where the synchronous disc is located, a mounting groove II which is arranged in the radial direction and communicated with the first mounting groove is formed in the end surface of the synchronous disc, three mounting grooves are formed, the mounting groove II is positioned in the middle of the mounting groove I along the arc direction of the mounting groove I and penetrates through the synchronous sliding sleeve, an arc-shaped hub matched with the mounting groove I is movably arranged in the mounting groove I, a hub strip is arranged on the outer circular surface of the arc-shaped hub, and a plurality of hub strips are arranged in an array along the arc direction of the hub strips;

a hinge block for connecting the inner circular surface of the arc-shaped hub and the synchronous sliding sleeve is arranged between the inner circular surface of the arc-shaped hub and the synchronous sliding sleeve, one end of the hinge block is hinged with the concave surface of the arc-shaped hub, the other end of the hinge block is hinged with the outer circular surface of the synchronous sliding sleeve, the axial directions of two hinge shafts are perpendicular to the power main shaft, and the hinge block is positioned in the second mounting groove;

the outer part of the synchronous disc is coaxially sleeved with a movable cylinder body which is in rotating connection and matching with the power spindle, the opening of the movable cylinder body faces the driving end of the power spindle, a first driving gear is coaxially and fixedly connected with the closed end of the movable cylinder body, a hub groove matched with the hub strip is formed in the inner circular surface of the movable cylinder body, the hub strip and the hub groove are mutually spaced and the clutch is in a separation state in an initial state, the hinge blocks are obliquely arranged in the initial state, and the distance between the hinge blocks is gradually reduced along the direction from the output end of the power spindle to the driving;

the synchronous disc is coaxially and fixedly provided with a first limiting ring close to one end face of the power main shaft, the first limiting ring is provided with an avoiding opening matched with the mounting groove, the opening of the movable barrel is coaxially and fixedly provided with a second limiting ring, and the second limiting ring is abutted to the synchronous disc.

As a further optimization or improvement of the present solution.

The clutch also comprises a hydraulic control mechanism for driving the synchronous sliding sleeve to slide close to the interior of the movable barrel body along the power main shaft, wherein the hydraulic control mechanism comprises a pushing component coaxially sleeved on the power main shaft in a rotating mode and an oil supply component for supplying hydraulic oil to the pushing component, the structure, shape and size of the pushing component and the structure, shape and size of the automatic cutting component are completely consistent, the pushing component is controlled by the hydraulic oil, and a pushing ring in the pushing component is in movable contact with the synchronous sliding sleeve;

the oil supply component comprises a cylindrical hydraulic cylinder fixedly connected with a second fixing frame, the hydraulic cylinder comprises a hydraulic cylinder body and a first cylinder cover used for sealing the hydraulic cylinder body, a first piston push rod penetrating through the cylinder cover and extending outwards is arranged in the hydraulic cylinder, the first piston push rod and the hydraulic cylinder form sealed sliding guide fit along the axial direction of the first piston push rod, an oil supply pipe used for communicating the first piston push rod and the second piston push rod is arranged between the hydraulic cylinder and a piston inner cavity in the abutting component, a first rack is arranged at the extending end of the first piston push rod, the first rack and the second fixing frame form sliding guide fit along the axial direction of the hydraulic cylinder, a first control motor is fixedly arranged on the second fixing frame, a first control gear is coaxially and fixedly sleeved on an;

still the activity cover is equipped with the separation spring on the power main shaft, separation spring one end is contradicted with the bottom of activity barrel, and the other end is contradicted with synchronous sliding sleeve and the elasticity of separation spring is by combining the directional synchronous sliding sleeve of barrel all the time.

Compared with the prior art, the automobile clutch has the advantages that the structure is ingenious, the principle is simple, when an automobile starts or accelerates, the pneumatic motor intervenes and assists the engine to drive a load connected with the clutch, the engine is kept in a rotating speed range with good fuel economy, when the automobile normally runs, the engine outputs a part of power to the inflator pump and enables the inflator pump to compress air and store the air in the high-pressure gas tank, and the internal energy of the high-pressure gas is consumed by the pneumatic motor.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a transmission body.

Fig. 3 is a schematic diagram of the internal structure of the transmission body.

Fig. 4 is a partial internal structural view of the transmission body.

FIG. 5 is a connection diagram of the pneumatic device to the transmission body.

Fig. 6 is a connection diagram of the high-pressure gas tank and the air motor.

Fig. 7 is a schematic view of a valve train.

Fig. 8 is a partial schematic view of a valve train.

Fig. 9 is a partial schematic view of a valve train.

Fig. 10 is a view of the pneumatic motor in cooperation with the transmission body.

Fig. 11 is a connection diagram of the inflator and the high-pressure gas tank.

FIG. 12 is a partial schematic view of the inflator.

FIG. 13 is a partial schematic view of the inflator.

FIG. 14 is a partial cross-sectional view of the inflator.

FIG. 15 is a view of the engagement of the automatic shut off member with the inflator.

Fig. 16 is a schematic structural view of an automatic cutting member.

Fig. 17 is a partial structural view of an automatic cutting member.

Fig. 18 is a partial cross-sectional view of the automatic cutout member.

FIG. 19 is a view of the engagement of the automatic shut off member with the inflator.

Fig. 20 is a schematic structural view showing an operating state of the automatic cutting means.

Fig. 21 is a schematic structural view of the clutch.

Fig. 22 is a schematic diagram of the internal structure of the clutch.

Fig. 23 is a schematic view of the internal structure of the clutch.

Fig. 24 is a schematic view of the internal structure of the clutch.

Fig. 25 is an exploded view of the clutch.

Fig. 26 is a schematic structural view of the urging member.

Fig. 27 is a connection diagram of the supply member and the pushing member.

Fig. 28 is a partial structural view of the oil supplying member.

Fig. 29 is a partial sectional view of the oil feeding member.

Labeled as:

100. a gearbox body; 101. a housing; 102. sealing the end cap; 103. a power spindle; 104. a first driving gear; 105. a transition shaft; 106. a first driven gear; 107. a driven gear II; 108. an output gear; 110. a variable speed drive component;

200. a clutch; 201. a synchronous sliding sleeve; 202. a synchronization disc; 202a, a first mounting groove; 202b and a second mounting groove; 203. an arcuate hub; 203a, a hub strip; 203b, a hinge block; 204a, a first limit ring; 204b, avoiding port; 205. a movable barrel; 205a, a hub slot; 205b and a second limit ring; 206. a separation spring; 210. a pushing member; 220. a hydraulic control mechanism; 221. a first fixing frame; 222. a hydraulic cylinder body; 223. a cylinder cover I; 224. a piston push rod I; 225. an oil supply pipe; 226. a first rack; 227. controlling a first motor; 228. controlling a first gear;

300. a pneumatic device; 310. a high pressure gas tank; 320. a pneumatic motor; 321. a second driving gear; 322. an overrunning clutch; 330. a valve train; 331. a first mounting frame; 332. a second fixing frame; 333. a cylinder block; 334. a second cylinder cover; 335. a piston push rod II; 336. an air inlet pipe; 337. an exhaust pipe; 338. a second rack; 339a, a second control motor; 339b, a second control gear; 340. an inflator pump; 341. an inflation tube; 342. a second mounting frame; 343. a cylindrical frame; 344. an air pump shaft; 345. a sliding shaft; 345a, an external step; 346. a drive shaft; 347. a belt drive assembly; 348. a compression spring; 350. an automatic cutting member; 351. a sleeve; 352. an end cap; 353. a piston inner cavity; 354. a piston push rod III; 355. pushing the plate; 356. an isobaric conduit.

Detailed Description

An oil-gas hybrid transmission comprises a transmission body 100 and a pneumatic device 300 arranged on the transmission body 100, wherein the transmission body 100 comprises a power main shaft 103, a transmission part 110 and a transition shaft 105 which are arranged in parallel, the transition shaft 105 is used for receiving power output by the power main shaft 103 and transmitting the power to the transmission part 110, the driving end of the power main shaft 103 is connected with an engine, the output end of the pneumatic device 300 is coaxially and movably sleeved with a first driving gear 104, the transition shaft 105 is coaxially and fixedly sleeved with a first driven gear 106, a second driven gear 107 and an output gear 108, the output gear 108 is located between the first driven gear 106 and the second driven gear 107 and is connected with the driving end of the variable speed transmission part 110, the first driven gear 106 is meshed with the first driving gear 104, and the pneumatic device is used for transmitting power to the second driven gear 107 and assisting the engine to drive the transition shaft 105.

The gearbox body 100 further comprises a casing 101 and a sealing end cover 102 which are covered outside the power main shaft 103, the speed change transmission part 110 and the transition shaft 105, the casing 101 and the sealing end cover 102 form a gearbox shell, the driving end of the power main shaft 103 extends to the outside of the gearbox shell to be connected with an engine, and the output end of the speed change transmission part 110 extends to the outside of the gearbox shell to be connected with a front shaft/rear shaft of an automobile through a differential.

In order to transmit the power of the power main shaft 103 to the driving gear, a clutch 200 is coaxially sleeved on the output end of the power main shaft 103, the clutch 200 includes a fixed ring body coaxially and fixedly connected with the power main shaft 103 and a movable ring body coaxially and movably connected with the power main shaft 103, the fixed ring body and the movable ring body can be switched between a separation state and a combination state, and the first driving gear 104 and the movable ring body are coaxially and fixedly connected.

When the automobile is in a starting/accelerating state, the engine drives the first driven gear 106 through the combination of the clutch 200 and transmits power to the transition shaft 105, meanwhile, the pneumatic device 300 drives the second driven gear 107 and transmits power to the transition shaft 105, in order to avoid mutual interference of power transmission between the engine and the pneumatic device 300, an overrunning clutch 322 is sleeved on the transition shaft 105, and the overrunning clutch 322 comprises a first overrunning clutch used for transmitting the power of the first driven gear 106 to the transition shaft 105 in a one-way mode and a second overrunning clutch used for transmitting the power of the second driven gear 107 to the transition shaft 105 in a one-way mode.

In the using process of a user, in the normal driving stage of an automobile, an engine is maintained in a rotating speed interval with good fuel economy, the engine is combined with and drives a driving gear I104 to rotate through a clutch 200, the driving gear I104 drives a driven gear I106 to rotate, the power of a transition shaft 105 is transmitted to a variable speed transmission part 110 through an output gear 108, in the process, a pneumatic device 300 receives part of the power of the engine and compresses air, high-pressure gas is collected and stored, and the power of the engine is converted into internal energy of the high-pressure gas with high conversion efficiency; at the starting or accelerating stage of the automobile, the engine is still maintained in a rotating speed interval with good fuel economy, because of overlarge load, the output power provided by the engine to the transition shaft 105 is insufficient, at the moment, the pneumatic device 300 is involved, the pneumatic device 300 converts the stored internal energy of the high-pressure gas into rotation potential energy and drives the driven gear II 107 to rotate, and the power output of the engine to the transition shaft 105 is assisted.

The pneumatic device 300 comprises a high-pressure air tank 310, a pneumatic motor 320 and an inflator pump 340, wherein the high-pressure air tank 310, the pneumatic motor 320 and the inflator pump 340 are detachably mounted outside the casing 101, an output shaft of the pneumatic motor 320 extends to the inside of the casing of the transmission, a driving gear II 321 is coaxially and fixedly sleeved at the extending end, the driving gear II 321 is axially parallel to the axial direction of the transition shaft 105 and is meshed with a driven gear II 107, an exhaust port of the high-pressure air tank 310 is connected with the pneumatic motor 320, an inflator 341 for communicating the air inlet port of the high-pressure air tank 310 and the inflator pump 340 is arranged between the driving gear II and the inflator pump 340, in the working process, the inflator pump 340 receives the power of the power main shaft 103 and sucks and compresses air, the inflator pump 340 inputs the compressed high-pressure air into the high-pressure air tank 310 for storage, when the power of the pneumatic device 300 needs, when the starting motor 320 starts to operate, the output shaft of the pneumatic motor 320 drives the second driving gear 321 to rotate, and the second driving gear 321 drives the second driven gear 107 to rotate, thereby assisting the engine to drive the transition shaft 105.

Specifically, when the high-pressure gas tank 310 conveys high-pressure gas to the pneumatic motor 320, the power of the pneumatic motor 320 is involved, in order to control the operation process of the pneumatic motor 320, a gas valve mechanism 330 is arranged between the high-pressure gas tank 310 and the pneumatic motor 320, the gas valve mechanism 330 is used for controlling the on-off of the high-pressure gas conveying between the high-pressure gas tank 310 and the pneumatic motor 320, the gas valve mechanism 330 comprises a first mounting frame 331 fixedly connected with the outside of the machine shell 101, a second mounting frame 332 is arranged on the first mounting frame 331, a cylindrical cylinder formed by a cylinder body 333 and a second cylinder cover 334 is arranged on the second mounting frame 332, a second piston push rod 335 extending outwards through the second cylinder cover 334 is arranged in the cylinder, the second piston push rod 335 and the cylinder form a sealed sliding guide fit along the axial direction of the cylinder, and in order to control the on-off of the high-pressure, An exhaust pipe 337 for communicating the cylinder with the pneumatic motor 320 is disposed between the cylinder and the pneumatic motor, an output end of the intake pipe 336 and an input end of the exhaust pipe 337 are oppositely disposed along a radial direction of the cylinder, and in an initial state, the second piston push rod 335 seals the output end of the intake pipe 336 and the input end of the exhaust pipe 337.

More specifically, in order to enable the output end of the intake pipe 336 to be communicated with the input end of the exhaust pipe 337, an annular groove is coaxially formed in the outer portion of the second piston push rod 335, and the annular groove is enabled to be communicated with the output end of the intake pipe 336 and the input end of the exhaust pipe 337 relatively by driving the second piston rod 335 to slide.

More specifically, in order to drive the second piston push rod 335 to slide along the cylinder, the second piston push rod 335 is connected to an extending end thereof with a second rack 338 parallel to the axial direction thereof, the second rack 338 and the second fixed frame 332 form a sliding guide fit along the axial direction of the cylinder, the second fixed frame 332 is fixedly provided with a second control motor 339a, the output end of the second control motor 339a is coaxially and fixedly sleeved with a second control gear 339b, and the second control gear 339b is meshed with the second rack 338.

In the working process of the valve train 330, when the automobile driving system detects that a user is in a starting/accelerating stage, the valve train 330 is automatically opened and the pneumatic motor 320 starts to operate, specifically, the control motor two 339a is started, the control motor two 339a drives the control gear two 339b to rotate, the control gear two 339b drives the driving rack two 338 to move along the axial direction of the cylinder and drives the piston push rod two 335 to synchronously slide, the piston push rod two 335 releases the sealing between the output end of the air inlet pipe 336 and the input end of the exhaust pipe 337, the output end of the air inlet pipe 336 is communicated with the input end of the exhaust pipe 337 through the annular groove, the high-pressure air tank 310 conveys the high-pressure air in the high-pressure air tank to the pneumatic motor 320, the pneumatic motor 320 starts to operate, and when the automobile driving system detects that the user is in a normal driving stage, the valve train 330 automatically closes and the air motor 320 stops running.

In order to transmit the power of the power main shaft 103 to the inflator pump 340 and drive the inflator pump 340 to suck and compress air, a second mounting frame 342 is fixedly arranged on the end cover 102, a hollow cylindrical frame 343 is arranged on the second mounting frame 342, the axial direction of the cylindrical frame 343 is parallel to the axial direction of the power main shaft 103, the inflator pump 340 is coaxially and fixedly connected with the cylindrical frame 343, an air pump shaft 344 is coaxially arranged at the driving end of the inflator pump 340, a transmission shaft 346 is rotatably arranged on the cylindrical frame 343, a belt transmission assembly 347 for connecting the transmission shaft 346 and the power main shaft 103 is arranged between the transmission shaft 346 and the power main shaft 103, and a sliding shaft 345 for coaxially connecting the transmission shaft 346 and the air pump shaft 344 is arranged.

Specifically, the transmission shaft 346 is arranged in a hollow manner, the driving end of the sliding shaft 345 is sleeved in the transmission shaft, the outer circular surface of the sliding shaft 345 is in spline connection and matching with the inner circular surface of the transmission shaft 346, the sliding shaft 345 can slide along the axial direction of the transmission shaft 346, the air pump shaft 344 is arranged in a hollow manner, the output end of the sliding shaft 345 is sleeved in the air pump shaft 344, the outer circular surface of the sliding shaft 345 is in spline connection and matching with the inner circular surface of the air pump shaft 344, the sliding shaft 345 can slide along the axial direction of the air pump shaft 344, the spline connection and matching between the sliding shaft 345 and the air pump shaft 344 can be released along with the sliding shaft 345 approaching to the transmission shaft 346 in a sliding manner, in order to ensure that in an initial state, the sliding shaft 345 is in spline connection and matching with the air pump shaft 344, an external step 345a is coaxially arranged on the outer circular surface of the middle position of the sliding shaft 345, The other end of the sliding shaft is abutted against the end part of the cylinder frame 343, the elastic force of the compression spring 348 always pushes the sliding shaft 345 to slide towards the air pump shaft 344, when the air pressure in the high-pressure air tank 310 reaches the maximum allowable value in the process that the inflator 340 inflates the high-pressure air tank 310, the sliding shaft 345 slides close to the transmission shaft 346 and is disengaged from the spline connection of the air pump shaft 344, the sliding shaft 345 stops transmitting the power to the air pump shaft 344, the inflator 340 stops inflating, and the safety of the high-pressure air tank 310 is guaranteed.

More specifically, in order to automatically detect the air pressure in the high pressure air tank 310 and slide the sliding shaft 345 inside the transmission shaft 346 when the air pressure reaches a maximum allowable value, the inflator 340 further includes an automatic cut-off member 350 sleeved outside the air pump shaft 344, and the automatic cut-off member 350 is configured to detect the air pressure inside the high pressure air tank 310 and drive the sliding shaft 345 to slide inside the transmission shaft 346.

The inflator 340 is embodied in the way that, during the operation, the belt transmission assembly 347 transmits the power of the power main shaft 103 to the transmission shaft 346 and drives the transmission shaft 346 to rotate, the transmission shaft 346 drives the sliding shaft 345 to rotate synchronously, the sliding shaft 345 drives the air pump shaft 344 to rotate synchronously, the air pump shaft 344 drives the inflator 340 to operate, the inflator 340 absorbs the surrounding air and pressurizes the air to be delivered into the high pressure air tank 310 through the inflation tube 341, when the air pressure in the high pressure air tank 310 reaches the allowable maximum value, the automatic cut-off member 350 pushes the external step 345a against the elastic force of the pressing spring 348 to slide close to the driving shaft 346, so that the sliding shaft 345 slides towards the driving shaft 346 synchronously, the sliding key connection between the sliding shaft 345 and the air pump shaft 344 is released, the sliding shaft 345 cuts off the power transmission to the air pump shaft 344, and the air pump 340 stops further inflating towards the high pressure air tank 310.

The automatic cutting-off member 350 comprises a sleeve 351 coaxially and movably sleeved on an air pump shaft 344, one end of the sleeve 351, which is close to the inflator 340, is provided with a cylindrical piston inner cavity 353 parallel to the axial direction of the sleeve 351, the piston inner cavity 353 is provided with a plurality of piston push rods 354 which are arranged in an array along the circumferential direction of the sleeve 351, one end of the sleeve 351, which is close to the inflator 340, is provided with an end cover 352 used for sealing the piston inner cavity 353, the end cover 352 is fixedly connected with the end of a cylindrical frame 343, a piston push rod tri 354 which forms sealing sliding guide fit with the piston inner cavity 353 is arranged in the piston inner cavity 353, the piston push rod tri 354 extends to the outside of the piston inner cavity 353 from the inflator 340, the automatic cutting-off member 350 further comprises an annular pushing plate 355 coaxially and movably sleeved outside the sliding shaft 345, the pushing plate 355 is positioned between a step 345a and the piston push, The other end face is movably abutted against the external step 345a, and the piston push rod three 354 slides outwards along the piston inner cavity 353 by filling high-pressure gas into the piston inner cavity 353, so that the pushing plate 355 is driven to push the external step 345a to be close to the transmission shaft 346.

Specifically, in order to be able to detect the air pressure in the high pressure air tank 310, an isobaric pressure conduit 356 is provided between the piston chamber 353 and the high pressure air tank 310 for connecting the two.

The automatic cut-off member 350 is embodied in such a manner that the isobaric guide tube 356 introduces high-pressure gas in the high-pressure gas tank 310 into the piston inner cavity 353 and makes the piston inner cavity 353 and the high-pressure gas tank 310 isobaric, when the gas pressure in the high-pressure gas tank 310 reaches a maximum allowable value, the high-pressure gas pushes the piston push rods 354 to slide outwards against the elastic force of the compression springs 348, the piston push rods 354 push the push plates 355 to move synchronously, the push plates 355 push the outboard steps 345a to move synchronously, the sliding shafts 345 slide towards the transmission shafts 346 against the elastic force of the compression springs 348, and the sliding shafts 345 cut off the power transmission to the air pump shafts 344.

The clutch 200 is a clutch controlled by hydraulic pressure, the operation is more labor-saving and convenient, the clutch 200 comprises a synchronous sliding sleeve 201 in spline connection and matching with the power spindle 103, the synchronous sliding sleeve 201 and the power spindle 103 are coaxially arranged, the synchronous sliding sleeve 201 can slide along the axial direction of the power spindle 103, a synchronous disc 202 is coaxially sleeved on the outer circular surface of the synchronous sliding sleeve 201, the synchronous disc 202 and the synchronous sliding sleeve 201 form sliding guide matching along the axial direction of the power spindle 103, an arc-shaped mounting groove I202 a matched with the synchronous disc 202 is formed in the outer circular surface of the synchronous disc 202, the mounting groove I202 a penetrates to one end surface of the synchronous disc 202 close to the driving end of the power spindle 103, three mounting grooves I202 a are arranged in an array manner along the circumferential direction of the synchronous disc 202, a mounting groove II 202b which is arranged along the radial direction of the synchronous disc 202 and communicated with the mounting groove I202 a is formed in, the second mounting grooves 202b are three and are arranged in an array along the circumferential direction of the synchronous disc 202, the second mounting grooves 202b are located in the middle of the first mounting grooves 202a along the arc direction and penetrate through the synchronous sliding sleeve 201, the first mounting grooves 202a are movably provided with arc-shaped hubs 203 matched with the first mounting grooves, the outer circular surfaces of the arc-shaped hubs 203 are provided with hub strips 203a, and the hub strips 203a are arranged in an array along the arc direction.

In order to enable the synchronous sliding sleeve 201 to drive the synchronous disc 202 to synchronously rotate, a hinge block 203b used for connecting the inner circular surface of the arc-shaped hub 203 and the synchronous sliding sleeve 201 is arranged between the inner circular surface of the arc-shaped hub 203 and the synchronous sliding sleeve 201, one end of the hinge block 203b is hinged with the concave surface of the arc-shaped hub 203, the other end of the hinge block is hinged with the outer circular surface of the synchronous sliding sleeve 201, a hinge shaft formed at the hinge position of the hinge block 203b and the arc-shaped hub 203 and a hinge shaft formed at the hinge position of the hinge block 203b and the synchronous sliding sleeve 201 are both axially perpendicular to the power main shaft 103, the hinge block 203b is positioned in the second mounting groove 202b, and the synchronous sliding sleeve 201 drives the synchronous disc 202 to synchronously.

In order to drive the first driving gear 104 to rotate, a movable cylinder 205 which is rotatably connected and matched with the power spindle 103 and is opened towards the driving end of the power spindle 103 is coaxially and fixedly connected with the outer part of the synchronizing disc 202, the first driving gear 104 is coaxially and fixedly connected with the closed end of the movable cylinder 205, a hub groove 205a which is matched with the hub strip 203a is arranged on the inner circular surface of the movable cylinder 205, in an initial state, the hub strip 203a and the hub groove 205a are mutually spaced, and the clutch 200 is in a separated state, in order to enable the hub strip 203a to be in contact with the hub groove 205a to enable the clutch 200 to be switched to a combined state, in the initial state, the hinge blocks 203b are obliquely arranged, the distance between the hinge blocks 203b is gradually reduced from the output end of the power spindle 103 to the driving end, and the hinge blocks 203b are enabled to unfold and support the arc-shaped hub 203 to move outwards along the, therefore, the hub bar 203a is abutted against the hub groove 205a, and power is transmitted to the movable cylinder 205 through the hub bar 203a and drives the movable cylinder 205 to rotate synchronously, so that the first driving gear 104 is driven to rotate.

Specifically, in order to constrain the arc-shaped hub 203 in the first mounting groove 202a and enable the arc-shaped hub to move only along the radial direction of the synchronization disc 202, a first limit ring 204a is coaxially and fixedly mounted on one end surface of the synchronization disc 202 close to the power spindle 103, an avoidance opening 204b matched with the second mounting groove 202b is formed in the first limit ring 204a, in order to constrain the synchronization disc 202 in the movable cylinder 205, a second limit ring 205b is coaxially and fixedly arranged at an opening of the movable cylinder 205, and the second limit ring 205b is abutted against the synchronization disc 202.

As can be seen from the above, the switching between the engaging state and the disengaging state of the clutch 200 is controlled by controlling the sliding of the synchronous sliding sleeve 201 along the power spindle 103, the clutch 200 further includes a hydraulic control mechanism 220 for driving the synchronous sliding sleeve 201 to slide along the power spindle 103 near the interior of the movable cylinder 205, the hydraulic control mechanism 220 includes a pushing member coaxially rotatably sleeved on the power spindle 103 and an oil supply member for supplying hydraulic oil to the pushing member, the pushing member and the automatic cut-off member 350 have the same structure, shape and size, and the pushing member is controlled by the hydraulic oil, and a pushing ring in the pushing member is in movable contact with the synchronous sliding sleeve 201.

Specifically, the oil supply member comprises a cylindrical hydraulic cylinder fixedly connected with the second fixed frame 332, the hydraulic cylinder comprises a hydraulic cylinder body 222 and a first cylinder cover 223 for sealing the hydraulic cylinder body, a first piston push rod 224 penetrating through the first cylinder cover 223 and extending outwards is arranged in the hydraulic cylinder, the first piston push rod 224 and the hydraulic cylinder form sealed sliding guide fit along the axial direction of the first piston push rod, an oil supply pipe 225 for communicating the hydraulic cylinder and the inner cavity of the piston in the abutting member is arranged between the hydraulic cylinder and the inner cavity of the piston in the abutting member, hydraulic oil in the hydraulic cylinder is extruded and conveyed to the abutting member through the sliding of the first piston push rod 224 along the hydraulic cylinder, in order to drive the sliding of the first piston push rod 224, a first rack 226 is arranged at the extending end of the first piston push rod 224, the first rack 226 and the second fixed frame 332 form sliding guide fit along the axial direction of the hydraulic cylinder, a first control motor 227 is fixedly arranged, the first control gear 228 is meshed with the first rack 226, and the first control motor 227 drives the first piston push rod 224 to slide towards the hydraulic cylinder, so as to convey hydraulic oil in the hydraulic cylinder to the pushing member, and the pushing member pushes the synchronous sliding sleeve 201, so that the clutch 200 is switched to a combined state.

More specifically, when the pushing member cancels the pushing of the synchronous sliding sleeve 201, in order to enable the synchronous sliding sleeve 201 to slide along the synchronous main shaft 103 toward the outside of the movable cylinder 205, and to enable the clutch 200 to be switched to the separated state, the power main shaft 103 is further movably sleeved with a separation spring 206, one end of the separation spring 206 abuts against the bottom of the movable cylinder 205, the other end of the separation spring abuts against the synchronous sliding sleeve 201, and the elastic force of the separation spring 206 always points to the synchronous sliding sleeve 201 from the combination cylinder 205.

The clutch 200 is switched from an initial separation state to a combination state, which is specifically shown in the following steps that a control motor I227 is started, the control motor I227 drives a control gear I228 to synchronously rotate, the control gear I228 drives a rack I226 to slide along the axial direction of a hydraulic cylinder, the rack I226 drives a piston push rod I224 to slide towards the hydraulic cylinder, the piston push rod I224 pushes hydraulic oil in the hydraulic cylinder to be pushed and extruded and conveys the hydraulic oil to a pushing component through an oil supply pipe 225, the pushing component receives the hydraulic oil and pushes a synchronous sliding sleeve 201 to slide towards the inner part of a movable cylinder 205 along a power main shaft 103 under the action of the elastic force of a separation spring 206, the synchronous sliding sleeve 201 drives a hinge block 203b to expand and support an arc-shaped hub 203b to slide outwards along the radial direction of a synchronous disc 202, the arc-shaped hub 203 is combined with the movable cylinder 205, at the moment, the clutch 200 is switched to the combination state, the clutch 200 is switched from the engaged state to the disengaged state, specifically, the control motor i 227 starts to rotate reversely and makes the pushing member withdraw the pushing of the synchronous sliding sleeve 201, at this time, the elastic potential energy of the disengaging spring 206 is gradually released and pushes the synchronous sliding sleeve 201 to slide along the power main shaft 103 towards the outside of the movable cylinder 205, the synchronous sliding sleeve 201 drives the hinge block 203b to fold and separate the arc-shaped hub 203 and the movable cylinder 205 from each other, and the clutch 200 is switched to the disengaged state.

Claims

1. The utility model provides an oil-gas hybrid transmission case which characterized in that: the transmission comprises a transmission body and a pneumatic device arranged on the transmission body, wherein the transmission body comprises a power main shaft, a variable-speed transmission part and a transition shaft which are arranged in parallel, the transition shaft is used for receiving power output by the power main shaft and transmitting the power to the variable-speed transmission part, the driving end of the power main shaft is connected with an engine, the output end of the power main shaft is coaxially and movably sleeved with a driving gear I, the transition shaft is coaxially and fixedly sleeved with a driven gear I, a driven gear II and an output gear, the output gear is positioned between the driven gear I and the driven gear II and is connected with the driving end of the variable-speed transmission part, the driven gear I is meshed with the driving gear I, and the pneumatic device is used for transmitting power to the;

2. The air-fuel hybrid transmission case according to claim 1, wherein: the air valve mechanism is arranged between the high-pressure air tank and the pneumatic motor and used for controlling the on-off of high-pressure air transmission between the high-pressure air tank and the pneumatic motor, the air valve mechanism comprises a first mounting frame fixedly connected with the outer part of the shell, a second mounting frame is arranged on the first mounting frame, a cylindrical air cylinder jointly formed by an air cylinder body and a second cylinder cover is arranged on the second mounting frame, a second piston push rod extending outwards through the cylinder cover is arranged in the air cylinder, the second piston push rod and the air cylinder form sealed sliding guide fit along the axial direction of the second piston push rod, an air inlet pipe for communicating the two air inlet pipes and the air cylinder and the pneumatic motor are arranged between the air cylinder and the high-pressure air tank, an exhaust pipe for communicating the two air inlet pipes is arranged between the air cylinder and the pneumatic, an annular groove is coaxially formed in the outer part of the piston push rod II;

3. The air-fuel hybrid transmission as defined in claim 1 or 2, wherein: the sealing end cover is fixedly provided with a second mounting frame, a hollow cylindrical frame is arranged on the second mounting frame, the axial direction of the cylindrical frame is parallel to the axial direction of the power main shaft, the inflator pump is coaxially and fixedly connected with the cylindrical frame, the driving end of the inflator pump is coaxially provided with an air pump shaft, the cylindrical frame is rotatably provided with a transmission shaft, a belt transmission assembly for connecting the transmission shaft and the power main shaft is arranged between the transmission shaft and the power main shaft, and a sliding shaft for coaxially connecting the transmission shaft and the air pump shaft is arranged between the transmission shaft and the air;

4. The air-fuel hybrid transmission case according to claim 3, wherein: the inflator pump further comprises an automatic cutting-off component sleeved outside the air pump shaft, and the automatic cutting-off component is used for detecting the air pressure inside the high-pressure air tank and driving the sliding shaft to slide close to the transmission shaft.

5. The air-fuel hybrid transmission case according to claim 4, wherein: the automatic cutting-off component comprises a sleeve coaxially movably sleeved on the shaft of the air pump, one end of the sleeve, which is close to the inflator pump, is provided with a cylindrical piston inner cavity parallel to the axial direction of the sleeve, the piston inner cavity is provided with a plurality of piston push rods which are arrayed along the circumferential direction of the sleeve, one end of the sleeve, which is close to the inflator pump, is provided with an end cover used for sealing the piston inner cavity, the end cover is fixedly connected with the end part of the cylinder frame, a piston push rod III which forms a sealed sliding guide fit with the piston inner cavity is arranged in the piston inner cavity, the piston push rod III deviates from the inflator pump and extends to the outside of the piston inner cavity, the automatic cutting-off component also comprises an annular pushing plate coaxially movably sleeved outside the sliding shaft, the pushing plate is positioned between an external step and the piston push rod III, one;

6. The air-fuel hybrid transmission case according to claim 1, wherein: the clutch is hydraulically controlled, is more labor-saving and convenient to control, and comprises a synchronous sliding sleeve in spline connection and matching with the power spindle, the synchronous sliding sleeve and the power spindle are coaxially arranged and can slide along the axial direction of the power spindle, a synchronous disc is coaxially sleeved on the outer circular surface of the synchronous sliding sleeve, the synchronous disc and the synchronous sliding sleeve form sliding guide matching along the axial direction of the power spindle, an arc-shaped mounting groove I matched with the synchronous disc is formed in the outer circular surface of the synchronous disc, the mounting groove I penetrates through to one end surface of the synchronous disc, which is close to the driving end of the power spindle, three mounting grooves are formed in the first mounting groove and are arranged in an array manner along the circumferential direction where the synchronous disc is located, a mounting groove II which is arranged in the radial direction and communicated with the first mounting groove is formed in the end surface of the synchronous disc, three mounting grooves are formed, the mounting groove is located mounting groove one and runs through to synchronous sliding sleeve along its circular arc direction's middle part position, and mounting groove internalization is provided with the arc hub rather than matching, is provided with the hub strip on the outer disc of arc hub, and the hub strip is provided with a plurality ofly and arranges along its circular arc direction array.

7. The air-fuel hybrid transmission case of claim 6, wherein: a hinge block for connecting the inner circular surface of the arc-shaped hub and the synchronous sliding sleeve is arranged between the inner circular surface of the arc-shaped hub and the synchronous sliding sleeve, one end of the hinge block is hinged with the concave surface of the arc-shaped hub, the other end of the hinge block is hinged with the outer circular surface of the synchronous sliding sleeve, the axial directions of two hinge shafts are perpendicular to the power main shaft, and the hinge block is positioned in the second mounting groove;

8. The air-fuel hybrid transmission case according to claim 1 or 7, wherein: the clutch also comprises a hydraulic control mechanism for driving the synchronous sliding sleeve to slide close to the inside of the movable barrel body along the power main shaft, the hydraulic control mechanism comprises a pushing component and an oil supply component, the pushing component is coaxially sleeved on the power main shaft in a rotating mode, the oil supply component is used for supplying hydraulic oil to the pushing component, the structure, the shape and the size of the pushing component are completely consistent with those of the automatic cutting component, the pushing component is controlled by the hydraulic oil, and a pushing ring in the pushing component is in movable contact with the synchronous sliding sleeve.

9. The air-fuel hybrid transmission case of claim 8, wherein: the oil supply component comprises a cylindrical hydraulic cylinder fixedly connected with a second fixing frame, the hydraulic cylinder comprises a hydraulic cylinder body and a first cylinder cover for sealing the hydraulic cylinder body, a first piston push rod which penetrates through the first cylinder cover and extends outwards is arranged in the hydraulic cylinder, the first piston push rod and the hydraulic cylinder form a sealed sliding guide fit along the axial direction of the first piston push rod, an oil supply pipe for connecting the first piston push rod and the second piston push rod is arranged between the hydraulic cylinder and a piston inner cavity in the pushing component, a first rack is arranged at the extending end of the first piston push rod, the first rack and the second fixing frame form a sliding guide fit along the axial direction of the hydraulic cylinder, a first control motor is fixedly arranged on the second fixing frame, a first control gear is coaxially fixedly sleeved on.

10. The air-fuel hybrid transmission case of claim 9, wherein: still the activity cover is equipped with the separation spring on the power main shaft, separation spring one end is contradicted with the bottom of activity barrel, and the other end is contradicted with synchronous sliding sleeve and the elasticity of separation spring is by combining the directional synchronous sliding sleeve of barrel all the time.