CN103175688A - High-speed drive verifying device for transmissions - Google Patents
High-speed drive verifying device for transmissions Download PDFInfo
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- CN103175688A CN103175688A CN2013100741790A CN201310074179A CN103175688A CN 103175688 A CN103175688 A CN 103175688A CN 2013100741790 A CN2013100741790 A CN 2013100741790A CN 201310074179 A CN201310074179 A CN 201310074179A CN 103175688 A CN103175688 A CN 103175688A
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Abstract
A high-speed drive verifying device for transmissions in the field of automation control of automobiles comprises a transmission system, a driving head mechanism, a hydraulic system and a controller. The transmission system and the driving head mechanism are connected and output meshing commands and power, the hydraulic system and the driving head mechanism are connected to form a lubricating and circulating oil path, the hydraulic system and the controller are connected and output circulating oil path state information and receives commands whether to start or shut down equipment, and the transmission system and the controller are connected and receive motor control commands. A spindle of the driving head mechanism is pre-suspended by sufficiently utilizing pressure provided by the hydraulic system through combination of hybrid bearings and hydraulic and driving loading, and the spindle and a slide bearing are guaranteed not to contact with each other at the beginning of starting. Meanwhile, the spindle can provide high bearing force during high-speed running by the aid of special oil wedge structure of the slide bearing, and the bearings can be guaranteed to support load in each direction during working. In addition, low noise and vibration and stability are realized during running, and low-noise and low-vibration environment for verifying of the transmissions is provided.
Description
Technical field
What the present invention relates to is the system in a kind of automotive automation control technology field, specifically a kind of for the automobile calibration equipment, by dynamic and hydrostatic bearing supporting, the new-energy automobile variator high-speed driving calibration equipment of High Rotation Speed.
Background technology
Present widely used loading checking table is the variator verification for many gears fossil energy mostly, wherein the rotating speed General Requirements operating mode of drive speed transmission input shaft end input turns following 4000, and new-energy automobile drives the electric power frequency-changing technology that adopts, the variator shelves only have two grades (starting gear, work shelves), so variator input end rotating speed is far above the traditional energy automotive transmission, if need verification new-energy automobile variator, must redesign and make the power input device that is complementary with its rotating speed.Use common angular contact bearing, rotating speed can't be broken through 6000 speed of walking around; Use ceramic bearing, rotating speed can reach ten thousand and turn, but operating noise and operation torque all can't reach the verification requirement, and the working service cost is too high.How just can reach high rotating speed, high moment of torsion, low noise? tradition and technology are relatively ripe: " hybrid sliding bearing ", just possess above all characteristics, simultaneously compared with ceramic bearing, the hydraulic pressure sliding bearing also has the outstanding cost performances such as manufacturing cost is relatively low, maintenance cost is very low, serviceable life is very long, can save at least 2/3 manufacturing cost, simultaneously also make equipment have less volumetric spaces, for other similar checking table provides wider test specification.
Find through the retrieval to prior art, Chinese patent literature CN101915669A, an open day 2010-12-15 has put down in writing a kind of " center distance-variable gearbox drive calibrating ", this technology comprises: mainshaft mechanism, gear train and two degrees of freedom base, wherein: mainshaft mechanism and gear train are rotationally connected, and mainshaft mechanism is fixedly installed on the two degrees of freedom base; But the rolling body of the rolling bearing in this technology is steel, and noise is directly proportional to rotating speed, uses on this check-out console, when rotating speed reaches 6000RPM, has surpassed the wheel box required value from the body noise, therefore is not suitable for this wheel box noise measuring.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of automotive transmission high-speed driving calibration equipment is proposed, utilize the characteristics that the hydraulic pressure sliding bearing is mature and stable, the life-span is long, hydrostatic control, sliding bearing manufacturing, variator are driven several different technical combinations get up, make this device satisfy the requirement that high rotating speed, low noise, low vibration, high life, frequent alternation are worked frequently.
The present invention is achieved by the following technical solutions, the present invention includes: kinematic train, driving head mechanism, hydraulic system and controller, wherein: kinematic train is connected with driving head mechanism and exports engagement instruction and power, hydraulic system is connected with kinematic train and consists of lubricated circulating oil path, hydraulic system is connected with controller to export the circulating oil path status information and receive and opens and closes instruction, driving head mechanism is connected with sensor and exports lubricating status information, and kinematic train is connected with controller and receives the Electric Machine Control instruction.
Described driving head mechanism comprises: hub splines mechanism, be fixedly installed on cylinder mechanism in frame, lubricating structure and with the main shaft of driving wheel, wherein: the two ends of cylinder mechanism are connected respectively at an end of hub splines mechanism and main shaft, hub splines mechanism is connected with transmission input shaft, and the driving wheel that is arranged at the main shaft other end is connected with kinematic train; Lubricating structure is connected with hydraulic system, and lubricating structure is connected with controller and exports lubricating status information.
Described kinematic train comprises: the variable-frequency motor, power wheel and the gear train that connect successively, wherein: variable-frequency motor is connected with controller and receives the Electric Machine Control instruction, and power wheel is arranged in an intermediate power mechanism and is connected with outputting power with driving head mechanism by polywedge bet.
Described hydraulic system comprises: vane pump, loop switch, retaining valve and flowmeter, wherein: lubricating structure and the flowmeter of vane pump, loop switch, retaining valve, described driving head mechanism are followed in series to form the lubricating oil loop, loop switch is connected with controller respectively with flowmeter, receives respectively to open and close instruction, delivery rate status information.
Technique effect
Compared with prior art, the present invention is by being combined dynamic and hydrostatic bearing, hydraulic pressure with the driving entrucking, and the pressure that taking full advantage of hydraulic pressure provides realizes that driving head mechanism main shaft suspends in advance, guarantees that both do not contact main shaft with at the beginning of the sliding bearing startup; Powerful bearing capacity is provided when the special oil film wedge structure of sliding bearing makes the main shaft high-speed cruising simultaneously, guarantees that bearing can support all directions load in the course of the work; And realize low noise in the whole service process, low shake, steadily, the required low environment that shakes of low noise when the variator verification is provided.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the driving head structural scheme of mechanism;
In figure: (a) be cut-open view; (b) be side view.
Fig. 3 is driving head mechanism and transmission mechanism combination figure;
Fig. 4 is the hydraulic pressure layout;
Fig. 5 is the hydraulic principle schematic diagram;
Fig. 6 is the embodiment process flow diagram.
Embodiment
[0001] below, embodiments of the invention are elaborated, the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: kinematic train 1, driving head mechanism 2, hydraulic system 3 and controller 4, wherein: kinematic train 1 is connected with driving head mechanism 2 and exports engagement instruction and power, hydraulic system 3 is connected with driving head mechanism 2 and consists of lubricated circulating oil path, whether be connected with controller 4 output circulating oil path status information and receiving equipment of hydraulic system 3 allows to open and close instruction, and kinematic train 1 is connected with controller 4 and receives the Electric Machine Control instruction.
As shown in Fig. 2 (a), described driving head mechanism 2 comprises: hub splines mechanism 8, be fixedly installed on cylinder mechanism 10 in frame 9, lubricating structure 12 and with the main shaft 14 of multi-wedge belt pulley 13, wherein: the two ends of cylinder mechanism 10 are connected respectively at an end of hub splines mechanism 8 and main shaft 14, hub splines mechanism 8 is connected with transmission input shaft, and the driving head multi-wedge belt pulley 13 that is arranged at main shaft 14 other ends is connected with kinematic train 1; Lubricating structure 12 is connected with hydraulic system 3, and lubricating structure 12 is connected with controller 4 and exports lubricating status information.
Described frame 9 is provided with for the plate 32 of regulating the driving head centre-height.
[0002] described hub splines mechanism 8 comprises: slip cap 22, in conjunction with spline 23, spring 24, splined shaft 25 and arm-tie 26, wherein: splined shaft 25 is fixedly connected with main shaft 14 by bolt, slip cap 22 and being slidably socketed respectively in the outside of splined shaft 25 in conjunction with spline 23 of being connected with transmission input shaft, spring 24 acts in conjunction with spline 23 and produces top power left, arm-tie 26 is socketed on slip cap 22 outsides, by cylinder mechanism 10 effects, drive arm-tie 26 and pull slip cap 22 to move left and right, make driving head mechanism be combined with transmission input shaft or break away from.
Described cylinder mechanism 10 comprises: extension bar 27, guide pin bushing seat 28, guide pillar 29, cylinder 30, backing plate 31, plate 32, wherein: guide pillar 29 and extension bar 27 are fixedly installed on respectively in hub splines mechanism 8 and guide pillar 29 slides in guide pin bushing seat 28, extension bar 27 is connected with cylinder 30 and both all are arranged on backing plate 31, and backing plate 31 is fixedly connected with driving head mechanism casing 34.
Described lubricating structure 12 comprises: V font oil sealing 33, driving head mechanism casing 34, support 35, scavenge pipe 36 and oil inlet pipe 50, and wherein: scavenge pipe 36 is connected with the bottom of driving head mechanism casing 34, and hydrodynamic lubrication liquid is flowed back in hydraulic fluid tank; Oil inlet pipe 50 is arranged on driving head mechanism's casing 34 backs and hydraulic system 3 links, and hydrodynamic lubrication liquid is entered in sliding bearing, and V font oil sealing 33 is arranged at main shaft 14 front positions, and support 35 is arranged at the bed piece position.
Be provided with successively front bearing 40, right surface bearing 37, rear bearing 38 and left surface bearing 39 on described main shaft 14, wherein: front bearing 40 is positioned at an end of main shaft 14, rear bearing 38 is positioned at main shaft 14 near an end of driving head multi-wedge belt pulley 13, right surface bearing 37 and left surface bearing 39 are arranged at respectively the both sides of rear bearing 38, come the adjusting play and are locked on main shaft 14 by the accurate main shaft nut.
As shown in Figure 4, described kinematic train 1 comprises: the variable-frequency motor 5, power wheel 7 and the gear train 6 that connect successively, wherein: variable-frequency motor 5 is connected with controller 4 and receives the Electric Machine Control instruction, and power wheel 7 is arranged in an intermediate power mechanism 6 and is connected with outputting power with driving head mechanism 2 by polywedge bet.
Described gear train 6 comprises: planker 41, intermediate power 42, tensioner screw rod 43 and universal coupling 44, wherein: intermediate power 42 is fixedly installed on respectively on planker 41 with tensioner screw rod 43 and the transmission shaft of intermediate power 42 is connected with an end of universal coupling 44, the other end of universal coupling 44 is connected with variable-frequency motor 5, and described power wheel 7 is fixedly installed on the transmission shaft of intermediate power 42.
Described intermediate power 42 is used for gearing and transmits rotating speed, moment of torsion and the effect of tensioner polywedge bet.
Described planker 41 is provided with kidney slot, and the fixing polywedge bet tensioner function that reaches of described intermediate power head specifically is achieved by kidney slot.
[0003] be provided with adapter sleeve 45 between the output shaft of described variable-frequency motor 5 and universal coupling 44; Be provided with torque sensor 46 between described universal coupling 44 and adapter sleeve 45, this torque sensor 46 is connected with controller 4 and exports and loads torque information.
[0004] after variable-frequency motor 5 starts, drive successively the main shaft of the rotor, universal coupling and the intermediate power head that drive adapter sleeve, torque sensor 46, drive the rotation of multi-wedge belt pulley one.Be connected transferring power between driving head mechanism and gear train with polywedge bet.The polywedge bet tensioner relies on tensioner screw rod 43 to drive plankers 41, intermediate power 42 and realizes.Gear train power wheel 7 diameters are large, and driving head mechanism multi-wedge belt pulley 13 diameters are little, play accelerating function, the rotating speed and the moment of torsion that need to reach verification.
[0005] as shown in Figure 5, described hydraulic system 3 comprises: vane pump 15, loop switch 16, retaining valve 17 and flowmeter 18, wherein: vane pump 15, loop switch 16, retaining valve 17, lubricating structure and the flowmeter 18 of described driving head mechanism are followed in series to form the lubricating oil loop, loop switch 16 is connected with controller 4 respectively with flowmeter 18, by loop switch 16, after mechanism for monitoring 19 and flowmeter 18 have detected the outflow of lubrication oil sliding bearing, controller 4 just sends instruction and makes variable-frequency motor 5 start, vane pump 15 is connected with motor 11 by shaft coupling.
[0006] described loop switch 16 comprises: the pressure switch 47 that is connected with controller 4 respectively, tensimeter 48 and surplus valve 49, make in loop lubricating oil pressure less than, variable-frequency motor 5 can not start.Simultaneously by regulating whole hydraulic system pressure, to reach the design pressure value;
[0007] preferably be provided with monitor control mechanism 19 and filter mechanism 20 and protection mechanism 21 on described lubricating oil loop
[0008] described monitor control mechanism 19 comprises: thermometer 51 and oily cooler 52, wherein: by the temperature in the thermometer 51 current hydraulic systems of detection, can the mediate inference main shaft with sliding bearing between the gap whether normally, whether exist directly and contact, and sent by controller 4 when temperature surpasses threshold value and report to the police and stop instruction; Oil temperature by oily cooler 52 reduces in whole grease-box prevents that temperature rise from causing deterioration of oil product, reduces the temperature of lubricating structure.
[0009] described filter mechanism 20 comprises: the oil absorption filter 53 of 40 μ m and the in-line filter 54 of 5 μ m are to reach the required cleanliness factor of dynamic and hydrostatic bearing.
[0010] described protection mechanism 21 comprises: stop valve 55 and the accumulator 56 thereof in parallel with retaining valve 17, when the shutdown of equipment accident power-off, the fluid that stores in accumulator can continue to replenish dynamic and static pressure, prevents main shaft and sliding bearing interlock.
[0011] in-line filter 54 of described 5 μ m is preferably disposed between loop switch 16 and vane pump 15.
Make lubricating oil all flow to sliding bearing when [0012] effect of described retaining valve 55 is the fault shutdown.
[0013] as shown in Figure 6, this device before use, system boot is namely opened hydraulic pump, unnecessary pressure and flow be through surplus valve 49 off-loads, pressure reaches design load pressure switch 47 action senders.The lubricating oil injection bearing main shaft that suspended, the lubricating oil of operational failure flows out from the bearing clearance simultaneously, flows back to fuel tank through scavenge pipe, and in scavenge pipe, flowmeter 18 obtains the flow feedback, thermometer 51 records returning-oil temperature lower than design load; Controller receives namely to await orders to enter after all entry conditions all satisfy and receives the work order of this device; Operating personnel press the button and send work order, cylinder 30 actions, stretch out forward piston rod, discharge arm-tie 26, slip cap relies on spring 24 acting forces, be combined with transmission input shaft forward in conjunction with spline, sensing represents spline in conjunction with complete in conjunction with the approach switch sender that puts in place to controller, and controller is controlled variable-frequency motor and started, and drives polywedge bet by parts such as torque sensor 46, universal coupling 44, multi-wedge belt pulleys, drive the rotation of driving head mechanism, with transmission of power to variator; The work Time Controller constantly receives the torsion feedback that torque sensor 46 transmits, and the torsion of adjusting in real time variable-frequency motor loads, and realizes the different gears check of wheel box requirement.
Claims (12)
1. variator high-speed driving calibration equipment, comprise: kinematic train, driving head mechanism, hydraulic system and controller, wherein: kinematic train is connected with driving head mechanism and exports engagement instruction and power, hydraulic system is connected with driving head mechanism and consists of lubricated circulating oil path, whether be connected with controller output circulating oil path status information and receiving equipment of hydraulic system allows to open and close instruction, and kinematic train is connected with controller and receives the Electric Machine Control instruction.
2. device according to claim 1, it is characterized in that, described driving head mechanism comprises: hub splines mechanism, be fixedly installed on cylinder mechanism in frame, lubricating structure and with the main shaft of multi-wedge belt pulley, wherein: the two ends of cylinder mechanism are connected respectively at an end of hub splines mechanism and main shaft, hub splines mechanism is connected with transmission input shaft, and the driving head multi-wedge belt pulley that is arranged at the main shaft other end is connected with kinematic train; Lubricating structure is connected with hydraulic system, and lubricating structure is connected with controller and exports lubricating status information.
3. device according to claim 2, it is characterized in that, described hub splines mechanism comprises: slip cap, in conjunction with spline, spring, splined shaft and arm-tie, wherein: splined shaft is fixedly connected with main shaft by bolt, slip cap and be connected with transmission input shaft be slidably socketed respectively outside in splined shaft in conjunction with spline, spring action is in produce top power left in conjunction with spline, arm-tie is socketed on the slip cap outside, by the cylinder mechanism effect, drive arm-tie and pull slip cap to move left and right, make driving head mechanism be combined with transmission input shaft or break away from.
4. device according to claim 2, it is characterized in that, described cylinder mechanism comprises: extension bar, guide pin bushing seat, guide pillar, cylinder, backing plate, plate, wherein: guide pillar and extension bar are fixedly installed on respectively in hub splines mechanism and guide pillar slides in the guide pin bushing seat, extension bar is connected with cylinder and both all are arranged on backing plate, and backing plate is fixedly connected with driving head mechanism casing.
5. device according to claim 2, it is characterized in that, described lubricating structure comprises: V font oil sealing, driving head mechanism casing, support, scavenge pipe and oil inlet pipe, and wherein: scavenge pipe is connected with the bottom of driving head mechanism casing, and hydrodynamic lubrication liquid is flowed back in hydraulic fluid tank; Oil inlet pipe is arranged on driving head mechanism's casing back and hydraulic system links, and hydrodynamic lubrication liquid is entered in sliding bearing, and V font oil sealing is arranged at the front-end of spindle position, and support is arranged at the bed piece position.
6. device according to claim 2, it is characterized in that, be provided with successively front bearing, right surface bearing, rear bearing and left surface bearing on described main shaft, wherein: front bearing is positioned at an end of main shaft, rear bearing is positioned at main shaft near an end of driving head multi-wedge belt pulley, right surface bearing and left surface bearing are arranged at respectively the both sides of rear bearing, come the adjusting play and are locked on main shaft by the accurate main shaft nut.
7. device according to claim 1, it is characterized in that, described kinematic train comprises: the variable-frequency motor, power wheel and the gear train that connect successively, wherein: variable-frequency motor is connected with controller and receives the Electric Machine Control instruction, and power wheel is arranged in an intermediate power mechanism and is connected with outputting power with driving head mechanism by polywedge bet.
8. device according to claim 7, it is characterized in that, described gear train comprises: planker, intermediate power head, tensioner screw rod and universal coupling, wherein: the intermediate power head is fixedly installed on respectively on planker with the tensioner screw rod and the transmission shaft of intermediate power head is connected with an end of universal coupling, the other end of universal coupling is connected with variable-frequency motor, and described power wheel is fixedly installed on the transmission shaft of intermediate power head.
9. device according to claim 1, it is characterized in that, described hydraulic system comprises: vane pump, loop switch, retaining valve and flowmeter, wherein: lubricating structure and the flowmeter of vane pump, loop switch, retaining valve, described driving head mechanism are followed in series to form the lubricating oil loop, loop switch is connected with controller respectively with flowmeter, after the outflow of lubrication oil sliding bearing having been detected by loop switch, mechanism for monitoring and flowmeter, controller just sends instruction and makes variable-frequency motor start, and vane pump is connected with motor by shaft coupling.
10. device according to claim 9, it is characterized in that, described loop switch comprises: the pressure switch that is connected with controller respectively, tensimeter and surplus valve, make in the loop lubricating oil pressure less than, variable-frequency motor can not start, by regulating whole hydraulic system pressure, to reach the design pressure value.
11. device according to claim 9 is characterized in that, described lubricating oil loop is provided with monitor control mechanism and filter mechanism and protection mechanism, wherein:
Described monitor control mechanism comprises: thermometer and oily cooler, wherein: detect temperature in current hydraulic system by thermometer, can the mediate inference main shaft with sliding bearing between the gap whether normally, whether exist directly and contact, and sent by controller when temperature surpasses threshold value and report to the police and stop instruction; Oil temperature by in the whole grease-box of oily cooler reduction prevents that temperature rise from causing deterioration of oil product, reduces the temperature of lubricating structure;
Described protection mechanism comprises: the stop valve in parallel with retaining valve and accumulator thereof, when the shutdown of equipment accident power-off, the fluid that stores in accumulator can continue to replenish dynamic and static pressure, prevents main shaft and sliding bearing interlock.
12. device according to claim 11, it is characterized in that, described filter mechanism comprises: the in-line filter of the oil absorption filter of 40 μ m and 5 μ m is to reach the required cleanliness factor of dynamic and hydrostatic bearing, and wherein: the in-line filter of 5 μ m is arranged between loop switch and vane pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310074179.0A CN103175688B (en) | 2013-03-08 | 2013-03-08 | High-speed drive verifying device for transmissions |
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| CN201310074179.0A CN103175688B (en) | 2013-03-08 | 2013-03-08 | High-speed drive verifying device for transmissions |
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| CN103175688A true CN103175688A (en) | 2013-06-26 |
| CN103175688B CN103175688B (en) | 2015-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882816A (en) * | 2016-09-30 | 2018-04-06 | 比亚迪股份有限公司 | The fault diagnosis of automatic gear-box hydraulic control system and fault-tolerance approach, system |
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| JPS63168531A (en) * | 1986-12-29 | 1988-07-12 | Toyota Motor Corp | Speed change point measuring apparatus for automatic transmission for vehicle |
| CN1821629A (en) * | 2006-03-24 | 2006-08-23 | 哈尔滨工业大学 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107882816A (en) * | 2016-09-30 | 2018-04-06 | 比亚迪股份有限公司 | The fault diagnosis of automatic gear-box hydraulic control system and fault-tolerance approach, system |
| CN107882816B (en) * | 2016-09-30 | 2020-03-31 | 比亚迪股份有限公司 | Fault diagnosis and fault tolerance method and system for hydraulic control system of automatic gearbox |
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