WO2014186914A1

WO2014186914A1 - Continuous gear shifting transmission

Info

Publication number: WO2014186914A1
Application number: PCT/CN2013/000598
Authority: WO
Inventors: 喻硕
Original assignee: Yu Shuo
Priority date: 2013-05-22
Filing date: 2013-05-22
Publication date: 2014-11-27

Abstract

A continuous gear shifting transmission. A speed changing basic unit of the continuous gear shifting transmission is shifting fork straight sliding multi-gear exchanging gear trains, and multiple gears can be exchanged when a group of shifting forks slide along a straight line. Power input is distributed to three clutches by means of gears (7). Three clutches (1, 3, 5) and three gear trains are controlled by using a gear shifting wheel (17). By rotating 120 degrees, the gear shifting wheel can perform separation and combination actions on two clutches among the three clutches and perform gear position changing actions on the gear train under another separation clutch. The three gear trains implement torsion output by jointly using an output shaft gear train (11), and gear increase and reduction can be implemented by means of forward and reverse rotation of the gear shifting wheel, so as to continuously and rapidly increase and reduce gears; and the gear shifting wheel is accurately controlled by a stepping motor (20), thereby making the output rotating speed stably increased and decreased.

Description

Continuous shifting shift cone

The utility model relates to the automobile industry! It can realize the shifting without adjusting the power, and the shifting is uninterrupted. The power output is a transmission with extremely fast shifting speed, stable continuous shifting action and minimal mechanical loss! Can be applied to cars. Lifting. Uninterrupted power shifting of precision machine tools! It can also be used to accelerate the start of a gliding plane!

Background technique

At present, most of the shifts of automobiles (including heavy-duty vehicles) use manual shifting. However, some of the current automatic transmissions use a torque converter to reduce the power loss. In recent years, the new automatic transmission has improved, but The clutch loss is extremely high when the low-speed frequent shifting speed is adjusted, and the gearbox protection device has to reset the gear position to zero, and the owner cannot drive! Automotive DSG High Technology is questioned!

Utility model content

The shifting basic unit of the utility model is: a straight fork multi-slot exchange gear set of the fork! A set of forks can slide in a straight line to exchange multiple gears!

The shifting wheel is used to control the three clutches, and the three gear sets are controlled at the same time. The shifting wheel rotates 12 (the two can perform the separation and combination of the two clutches, and simultaneously implement the addition and subtraction, thereby achieving Continuously increase and decrease the gear position, so that the output speed is steadily improved and smoothly reduced! DRAWINGS

1. Synchronizer gear arrangement sequence: A set of forks can slide in a straight line to exchange multiple gears! The dotted line with arrows in Figure 1 is the power transmission distribution route! The power is transmitted from the shaft to the synchronizing gear, and the synchronizing ring is distributed to the adjacent synchronizing gear. The gear is driven to shift to the output shaft! In order to avoid gear conflicts, the gear sets other than the first and last positions are thickened by different multiples! The names of the components in Figure 1 are: 1. Transmission gear (engaged with the output shaft gear set) 2. Synchronous gear ring 3. Synchronous gear (sliding through the synchronizing ring, meshing with the adjacent synchronizing gear) 4 Shift dialing Fork group Figure 1-1 shows three gear positions 1-2 for four gear positions 1-3 for five gear shift gear sets!

2. Direct-slide multi-gear exchange indication (indicated by three-bit exchange): Figure 2 is an example interpretation of the third gear in Figure 1, and Figure 1 focuses on the gear set and synchronizer on the input shaft. The output shaft is omitted! Figure 2 shows the third gear as an example. It describes that when the boring bar rotates, it drives the shift fork group to move, which causes the synchronous gear ring to move on the synchronous gear to achieve the purpose of straight sliding shift! In the figure: 1 output shaft gear set 2, input shaft gear set 3 shift fork set 4 嫘 rotating rod Figure 2-1 is the third gear one gear, 2-2 is the third gear second gear, 2- 1 is the third gear three gears!

3. Y-star array of gear set: The utility model is a transmission composed of three straight slip gear sets and one output shaft gear set! The power three-axis first gear is removed as a zero gear, and in order to avoid the gear conflict of the entire transmission, the first gear of the power shaft and the last gear of the power three-shaft are removed to install the first and last gear detectors! Figure 3 shows: 1 power one shaft 2 power two shaft 3 power three shaft 4 reverse gear intermediate gear 5 reverse gear 6 forward first gear 7 forward second gear 8 forward third gear 9 forward fourth gear 10 forward five gears 11 output shaft gear set 12 shift fork set 13 with gear auger

4. Shift wheel shape structure: The shift wheel is an important component in the utility model. It can regularly control three clutches and three shift fork sets, which are only controlled by the stepping motor, each rotation 120 degrees to complete a gear exchange! Figure 4 shows: 1 control of the default ring gear of the swaying rod 2 clutch fork arm lifting control slot 3 center hole 4 wheel body 5 螵 rotating lever unlocking boss 6 controlled by the ring gear of the stepper motor

5. Clutch fork group structure: It is controlled by the shift wheel. When the shift wheel rotates, one fork arm separates the clutch; one fork arm combines with the clutch; one fork arm keeps the clutch separated! Figure 5 shows: 1. Top cymbal 2 Fork arm 3 Center support frame 4 Shift wheel 5 Track pulley

6. Shifting actuator: This actuator is the mechanical part of the shifting wheel and gear set and clutch. In addition to performing automatic shifting, it is also necessary to prohibit the first gear downshift and the last gear upshift to avoid mechanical conflict! Figure 6 shows: 1. Stepper motor 2 First-speed detector 3 Last-end detector 4 Shift fork set 5 Clutch fork 6 Lock lever 7 Rotary lever 8 Shift wheel

VII. General assembly drawing: 1 Power one-axis clutch 2 power one shaft 3 power two-axis clutch 4 power two-axis 5 power three-axis clutch 6 power three-axis 7 power input gear shaft (connected to the engine) 8 power one-axis gear set 9 power Two-axis gear set 10 power three-axis gear set 11 output shaft gear set 12 reverse intermediate gear 13 auger 14 shift fork set 15 first gear detector 16 last gear detector 17 shift wheel 18 lock lever key 19 clutch dial Fork set 20 stepper motor detailed description

1. Basic gear exchange unit: The basic unit of the gear exchange of the utility model is a straight-slip multi-position exchange gear set, and a set of shift forks can be exchanged in a straight line to exchange multiple gears! In order to avoid gear conflicts, the gear sets other than the first and last positions are thickened by different multiples! As shown in Fig. 1, assuming that the thickness of a standard synchronizing gear is X, the thicknesses of other synchronizing gears are as shown in the figure, and are arranged in the order shown in the figure. For each gear shift, the shift fork group slides 2x. the distance! Assume that the distance of the shift fork is 1, and the number of gears is 1, then

l=[ (n-l) x2+3] xx

2. Gear set gear array: The utility model is a transmission composed of three straight slip gear sets and one output shaft gear set! The power three-axis first gear is removed as a zero gear, and in order to avoid the gear conflict of the entire transmission, the first gear of the power shaft and the last gear of the power three-shaft are removed to install the first and last gear detectors! The gears are arranged as follows:

In Fig. 3, the three-axis three-position is taken as an example, that is, only the first gear, the second gear and the last gear in the above table are taken in Fig. 3!

3. Shifting actuator: The utility model uses a stepping motor as the execution power to drive the shifting wheel to rotate. The shifting wheel completes the gear shift every 120 degrees, and the shifting wheel rotates clockwise to the high gear. The hour hand turns to the low position downshift! The order of the gears is as follows: First file detector, reverse gear, zero gear, forward 1 gear, forward 2 gear, forward 3 gear, forward 4 gear... Last gear detector! The specific working principle is: the shifting wheel rotates a track groove on the same, and the track in the track groove rises slowly with the rotation, so that the fork arm opens its corresponding clutch; the other pulley slowly Slide into the track slot to release the fork arm from the clutch it controls; there is also a pulley that does not enter the track groove and slides smoothly on the shift wheel, which means that the clutch remains separated: unlock the boss and The default gingival also rotates with the shifting wheel, unlocking the boss to open the unlocking button, the default ring gear drives the auger to rotate, and drives the shifting fork to perform the alternate gear exchange! (Refer to Figure 6 and Figure 7)

For example, if the current gear is in the zero gear, then the alternate gear is the reverse gear and the forward gear. If the shift gear is reversed, the reverse gear (combined with the power two-shaft clutch) is used, and the detector gear is replaced, and the zero gear is separated. If the shifting wheel is rotating forward, the power three-axis clutch is separated, and the first gear (combined with the power one-shaft clutch) is selected, and the second-speed gear is replaced. When the shifting wheel continues to rotate forward, the second-speed shifting gear is selected in combination with the power two-shaft clutch, the power one-shaft clutch is released, and the third gear is replaced.

4. Shift power trigger, first and last gear limit device:

Shift wheel trigger mechanism: It is controlled by the shift handle, trigger once, the control circuit commands the stepper motor to rotate the shift wheel 120 degrees, and completes the gear exchange! Continuous triggering, continuous shifting! When the alternate gear is selected to the first gear detector, the first gear detector sends a signal, prohibiting downshifting! When the alternate gear is selected to the last gear detector, the last gear detector signals that the upshift is prohibited!

Claims

Claim

1. The gear shifting basic unit of the utility model is a straightforward continuous shifting gear set! Its characteristics are: a set of shifting forks slides in the same direction when performing the gear shifting operation, so a group of synchronization The gear ring also slides in the same direction at the same time. In order to avoid gear conflict, the synchronizer gears except the first and last positions are respectively thickened by different multiples!

2. The utility model adopts three straight-slide continuous shifting gear sets, one clutch is arranged on each gear set, and a Y-star array is arranged with the output shaft gear set! That is to say, the power input shaft distributes power to three clutches, which respectively drive the power one shaft. The power two shafts. The power three-axis gear set has a gear and an output shaft gear set. In this way, by controlling the three clutches, one of the clutches is combined and the other two clutches are separated!

3. The utility model uses a shifting wheel to control the exchange of the clutch and the gear position, the rotation of the shifting wheel, so that one clutch is disengaged, one clutch is combined, and the gear shifting action is performed on another clutch that remains separated! The three movements are simultaneously performed under the rotation of the shift wheel!

4. Gear arrangement: the first axis of power is zero, the first and last gears of power are zero, and the first gear of power is reverse. Power one axis and two gears. Power two axles and two gears. Power three axles and two gears. Power one axle and three gears... Power two axle final gears are arranged for forward one gear, forward second gear, Advance three files...

5. The shifting handle triggers the control circuit, and the stepping motor drives the shifting wheel to rotate 120 each time it is triggered. Complete a gear exchange! In the last gear (power three-axis final gear) and the first gear

(Power first axis first position) plus switch detector, so that the first step of the control circuit is forbidden; the last block is prohibited! To protect against mechanical conflicts!