CN2476443Y

CN2476443Y - Controllable one-way clutch type energy-saving device for speed changing box of vehicle

Info

Publication number: CN2476443Y
Application number: CN 00265359
Authority: CN
Inventors: 吕瑞华
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-12
Filing date: 2000-12-12
Publication date: 2002-02-13
Anticipated expiration: 2010-12-12

Abstract

The utility model relates to an energy saving device for a vehicle gear box of controllable and one-way clutch. The arrangement is: an output shaft 1 of the gear box is connected with an output shaft 8 of outer side through a one-way clutch 2, a one-way clutch 3 and a one-way clutch 5. The output shaft 1 is connected with an output shaft 8 of outer side through an engagement sleeve 6 (or the multi-disc clutch) with a synchronizer. When driving and loosening a gun pedal, the one-way clutch disconnects the wheel from an engine of lowering a speed, which is conducive for the vehicle to be driven by inertia. After the engagement sleeve of the synchronizer type (or the multi-disc clutch) couples both ends of the one-way clutch, a brake resistance or a backing force moment of the engine is passed by the engagement sleeve (or the multi-disc clutch).

Description

The controlled one-way clutch formula energy saver that is used for automobile gearbox

The utility model relates to a kind of controlled one-way clutch formula energy saver that is used for automobile gearbox, when automobile utilizes inertia traveling, is used for the opposing torque of combustion cutoff and the resistance that produces.

Existing automobile is unclamping Das Gaspedal, when utilizing automobile inertial running,, generally needs to hang neutral in order to eliminate the opposing torque of driving engine, or let slip the clutch, driving engine is separated with the power of change speed gear box.The former needs frequent operation and increases driver's labour intensity; The latter when the power of engage engine again, because engine crankshaft and change speed gear box input shaft rotational speed may differ bigger, and can cause the damage of power-transfer clutch.Therefore, said method is seldom used in practice.The automobile inertial power of running at high speed is very big, but can not finely utilize, and is unfavorable for the fuel-economizing of automobile.

The purpose of this utility model is: provide a kind of and be located in the automobile gearbox or be connected in thereafter controlled one-way clutch formula energy saver.It can allow the driving engine of rev down automatically disconnect with transmission shaft, makes automobile lean on inertia traveling under the state that does not have the driving engine opposing torque.And when needs utilize Jake brake or reversing, can utilize the shifter collar or the hydraulic pressure clutch with multiple laminated disc of set tape synchronizer again, the free-wheel clutch two ends are engaged form one, with lock torque or the reversing moment of transmitting driving engine.

Controlled one-way clutch formula energy saver of the present utility model is to arrange like this: the output shaft of change speed gear box links to each other with the half-clutch device of the output shaft in the outside behind the half-clutch device and unidirectional Transmission of free-wheel clutch; Described output shaft also links to each other with the output shaft in the outside through the shifter collar or the clutch with multiple laminated disc of tape synchronizer.

In the synchro formula one-way clutch energy saver by shifter collar control, the shifter collar of tape synchronizer can be controlled by the manually operated joystick by steering unit, or by hydraulic pressure or pneumatic control system, is braked pedal and the control of reversing gear.When need utilized Jake brake or extension to reverse gear, this shifter collar Be Controlled engaged.

In one-way clutch formula energy saver by clutch with multiple laminated disc control, the hydraulic pressure of clutch with multiple laminated disc or pneumatic Engagement Control cylinder, link to each other with set control system through connecting line, and be braked pedal and reversing gear control by this control system, gently stepping on brake pedal or hanging when to reverse gear, multiple disk clutch is engaged.

For the automobile that has adopted the utility model energy saver, as long as unclamp throttle when travelling, the driving engine of rev down just can be at any time wheel by free-wheel clutch and high-speed operation disconnect, allow automobile not have under the influence of driving engine opposing torque, by its own inertial travel farther.In certain speed difference scope, refuel, stop the oil operation repeatedly, just can save fuel oil.And when needs utilize Jake brake or reversing, also can allow the free-wheel clutch two ends engage easily at any time by shifter collar or clutch with multiple laminated disc, make it to transmit the brake resistance of driving engine or the power that reverses gear.

Below in conjunction with accompanying drawing each embodiment of the present utility model is described in further detail:

Fig. 1 is the structure cutaway view that the utility model is used for controlled one-way clutch formula energy saver first embodiment of Automotive transmission.

Fig. 2 is the control system structure principle chart that matches with energy saver among Fig. 1 embodiment.

Fig. 3 is the structure cutaway view of the utility model second embodiment.

Fig. 4 is the control system constructional drawing that matches with energy saver among Fig. 3 embodiment.

In energy saver of the present utility model shown in Figure 1, free-wheel clutch has been located at behind the change speed gear box between the output shaft in the body 11 1 and outside output shaft 8.Output shaft of gear-box links to each other with half-clutch device 5 on the output shaft in the outside behind the half-clutch device 2 and unidirectional Transmission 3 of free-wheel clutch.In the reality, this energy-conservation device also can be installed on after the change speed gear box, (does not draw among the figure) on the transmission shaft before the diff.As long as unclamp Das Gaspedal in the driving, after engine speed reduces,, eliminated the opposing torque of driving engine just free-wheel clutch can interrupt being connected of wheel of driving engine and high speed rotating at any time.In order still to utilize driving engine to slow down in certain road conditions of driving and to brake, above-mentioned output shaft links to each other with the output shaft 8 in the outside by the shifter collar 6 of crossing free-wheel clutch.For the free-wheel clutch two ends are engaged, designed synchro formula shifter collar, synchro is made up of synchro converter ring 4 slide blocks 9 springs 7 grades, and is basic identical with the synchro in the change speed gear box.

To the simplest mode of synchro formula shifter collar is by manually operated joystick direct control (not drawing control chart) by steering unit.When needs utilize Jake brake or extension to reverse gear, elder generation's let slip the clutch, driving engine is temporarily separated with change speed gear box, just can engage free-wheel clutch two

ends

2 and 5 by shifter collar 6 subsequently, transmit the Jake brake resistance or the power that reverses gear by manual joystick.

In order to simplify manipulation control, in the practical application, can adopt the control system shown in Fig. 2 that it is controlled to shifter collar 6.This control system structural principle as shown in Figure 2, shifter collar 6 is through shift fork 10 control pieces such as grade, by hydraulic pressure (or pneumatic) cylinder 14 of control system 15, is braked pedal 18 and the control of reversing gear.When control shifter collar 6, owing to will make the disengaging of clutch of driving engine earlier, the connecting line 13 of control system 15 also links to each other with the clutch control cylinder 12 of driving engine.Control system 15 is designed in the following manner: when gently stepping on brake pedal 18, the expression motorist will utilize engine retard and braking, at this moment control system 15 at first can temporarily allow the power-transfer clutch 12 of driving engine separate, the shifter collar 6 of controlling tape synchronizer then immediately engages, and allows the Jake brake resistance pass to wheel through shifter collar 6.

, be moved toward when reversing gear the position by the control of reversing gears for shifter collar 6, just can allow gear level directly or by driving shifter collar electric battles 16 engage at gear level 17.

In the controlled one-way clutch formula energy saver of the utility model shown in Figure 3 second embodiment, the output shaft 1 of change speed gear box also is to link to each other with the output shaft 8 in the outside through free-wheel clutch, the structure of first embodiment is identical among this and Fig. 1, difference is, in second embodiment of Fig. 3, described output shaft 1 links to each other with the output shaft 8 in the outside by clutch with multiple laminated disc 19.Because multiple disk clutch 19 is engaged by hydraulic pressure (or pneumatic) Engagement Control cylinder 20 control, so the Engagement Control cylinder will link to each other (referring to Fig. 4) by the connecting line 20 on the body with control system 22 after being located at output shaft and change speed gear box.Connect in the frame mode of output shaft 1 and outside output shaft 8 with clutch with multiple laminated disc 19 this, because of no longer needing and engine clucht teamwork, simpler in control.

For the control of clutch with multiple laminated disc, as shown in Figure 4, get final product by control system 22 usefulness brake pedals 18 and the control of reversing gear.During driving, utilize Jake brake to slow down,, engage just control system 22 can be controlled clutch with multiple laminated disc 19 as long as gently step on brake pedal 18 as need.Allow the brake resistance of driving engine pass to wheel through clutch with multiple laminated disc.

Handle gear level 17 moveing backward and hang when to reverse gear, control system 22 also can allow clutch with multiple laminated disc 19 be in engagement state, transmits reversing power.

Claims

1, be used for the controlled one-way clutch formula energy saver of automobile gearbox, it is characterized in that: the output shaft 1 of change speed gear box links to each other with the half-clutch device 5 of the output shaft in the outside behind the half-clutch device 2 of free-wheel clutch and unidirectional Transmission 3; Described output shaft 1 can link to each other with the output shaft 8 in the outside through the shifter collar 6 of tape synchronizer.

2, according to the described controlled one-way clutch formula energy saver of claim 1, it is characterized in that: the synchro conical surface of the preceding half-clutch device 2 of free-wheel clutch links to each other with synchro converter ring 4, synchronizer key 9 and spring 7 are contained on shifter collar 6 and the later half power-transfer clutch 5 of free-wheel clutch, link to each other with synchro converter ring 4.

3, the controlled one-way clutch formula energy saver that is used for automobile gearbox, it is characterized in that: output shaft of gear-box 1 is behind the half-clutch device 2 and unidirectional Transmission 3 of free-wheel clutch, link to each other with the half-clutch device 5 on the output shaft 8 in the outside, described output shaft 1 can link to each other with the output shaft 8 in the outside by hydraulic pressure clutch with multiple laminated disc 19.