CN2459219Y

CN2459219Y - Speed variator and clutch flexible connector for urban public traffic low floor bus

Info

Publication number: CN2459219Y
Application number: CN 01213813
Authority: CN
Inventors: 胡亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-03
Filing date: 2001-01-03
Publication date: 2001-11-14
Anticipated expiration: 2011-01-03

Abstract

The utility model relates to a speed variator and clutch flexible connector for an urban public traffic low floor bus, comprising a speed-variation box, a first shaft for a speed variator and a clutch. The utility model is characterized in that the utility model also comprises a clutch output shaft connected with the clutch, a crossing shaft type universal joint connected with the clutch output shaft, a flange sheathed with the first shaft for the speed variator, a crossing shaft type universal joint connected with the flange and a transmission shaft, both ends of which are respectively and fixedly connected with the two crossing shaft type universal joints or connected with the two crossing shaft type universal joints into integration. The speed variator and the clutch are separated from each other so that the utility model can reduces the number of the stair steps of a bus and the height of each step, but also doesn't changing the position of the first passenger door so as to be convenient for passengers to get on and off the bus and drivers to monitor and magage.

Description

City bus low-floor bus change-speed box and power-transfer clutch flexible connecting device

The utility model relates to the layout or the installation of vehicle transmission gear, particularly city bus low-floor bus change-speed box and power-transfer clutch flexible connecting device.

The urban bus passenger that is in operation is frequent up and down, for passenger's child's old man convenience up and down particularly, requires the ladder round level of passenger vehicle to lack, and every grade the height of marking time is low; Then require the first road passenger door should open before the front-wheel arch at management aspect for realizing self-service ticketing, supervise to make things convenient for chaufeur that the passenger that gets on the bus is inserted coins.This requirement is reasonably, but is insurmountable for existing traditional urban bus F/F.For satisfying above-mentioned reasonable request, prior art generally adopts the scheme of rear-mounted engine in design, the relatively poor easy generation high temperature of cooling of the driving engine that is in operation after but engine at extreme rear is installed, bring difficulty to operation, in addition, driving engine in service breaks down in the early stage, and chaufeur is difficult for hearing when slight, has then become major break down when listening.Another kind of solution is that both are combined in the prior art, be that driving engine is that preposition the reduction again installed, but it is bigger to reduce installation driving engine difficulty, traditional design and installation mode is: power-transfer clutch is in the rear end of cylinder band and change-speed box is contained in the rear end of clutch-bell cover, below the described position clutch front end in chassis, be the front axle of propons, after this position three is fitted together, the room of bottom is the highest, can't satisfy the requirement that reduces the floor with regard to this, if floor level does not fall low then and to reduce the height that ladder goes on foot progression and every grade and all can't realize, before also influencing the front-wheel arch passenger door is set, in a word, adopt prior art, supvr and passenger's requirement all can't be satisfied.

The purpose of this utility model is intended to overcome above-mentioned deficiency of the prior art, providing a kind of installs change-speed box and disengaging of clutch, passenger vehicle ladder round progression and every grade of height both can have been reduced, do not change passenger door position, first road again, promptly be convenient to the passenger up and down and chaufeur the city bus low-floor bus change-speed box and the power-transfer clutch flexible connecting device of supervising.

Content of the present utility model is: a kind of city bus low-floor bus change-speed box and power-transfer clutch flexible connecting device, comprise: change speed gear box, one end is by bearing seat and change speed gear box bonded assembly clutch spindle, power-transfer clutch, it is characterized in that also comprising: one section has spline tooth and is connected with described power-transfer clutch (4), the other end has the clutch output shaft (5) of flange (6), the Hooke's joint (8) that one end has flange (7) and is bolted to connection with flange (6), one end has flange (10), hollow and with the flange (9) of described clutch spindle (2) socket, the Hooke's joint (12) that one end has flange (11) and is bolted to connection with flange (10), and the two ends transmission shaft of captiveing joint or being connected as a single entity with Hooke's joint (8) and Hooke's joint (12) respectively.

In the utility model content: described transmission shaft has the interior axle (13) of spline tooth and inner peripheral surface that splined sleeve (14) formation with the cooresponding spline tooth in interior axle (13) spline tooth shape position is arranged by one section side face.

In the utility model content: described clutch spindle another section outer peripheral face (2) has spline tooth, and the inner peripheral surface of described flange (9) has the cooresponding spline tooth in spline tooth shape position with described clutch spindle (2).

The utlity model has following characteristics:

(1) since the door of getting on the bus before off front wheel arch, chaufeur only needs the eyes stravismus just can all observe the overall process that passenger loading inserts coins and the amount of money of inserting coins;

(2) since the reduction of driver zone floor level and engine installation position preceding and reducing make before the ladder round of passenger door reduce to secondary by traditional three grades, and every grade height all is reduced, particularly the first order is marked time and is reduced to 380 millimeters, and the standard (limit value) that is no more than 400 millimeters than GB7258 defined is also hanged down 20 millimeters;

(3) passenger loading increases through the walkway clearance between driving engine and the front-wheel arch, the passenger is walked feel very much conveniently;

(4) removed bottom, the clutch case consequence hole wearing and tearing that caused because of the conventional mounting mode after change-speed box separation in bus chassis is installed and caused the clutch spindle inclination speed change that causes to be trip stopped, also reduced clutch-lining and worn and torn unevenly;

(5) dismounting transmission assembly no longer in vehicle maintenance and repair as when changing clutch-lining, this has promptly alleviated working strength of workers, has also reduced work time cost significantly, reduces traffic cost;

(6) simple in structure, produce installation and repacking easily, practical.

Fig. 1 is the utility model example structure scheme drawing;

Fig. 2 is Fig. 1 ground plan structure scheme drawing;

Fig. 3 is clutch spindle 2 and flange 9 structural representations among Fig. 1.

Among the figure: 1-change-speed box, 2-clutch spindle, 3-bearing seat, 4-power-transfer clutch, 5-clutch output shaft, 6, the 7-flange, 8-Hooke's joint, 9-flange, 10, the 11-flange, axle in the 12-Hooke's joint, 13-, 14-splined sleeve.

Be an embodiment of the present utility model below.

Referring to each accompanying drawing.A kind of city bus low-floor bus change-speed box and power-transfer clutch flexible connecting device, by: change speed gear box 1, one end is by bearing seat 3 and change speed gear box 1 bonded assembly clutch spindle 2, power-transfer clutch 4, one section has spline tooth and is connected with power-transfer clutch 4, the other end has the clutch output shaft 5 of flange 6, the Hooke's joint 8 that one end has flange 7 and is bolted to connection with flange 6, one end has flange 10, hollow and with the flange 9 of described clutch spindle 2 sockets, the Hooke's joint 12 that one end has flange 11 and is bolted to connection with flange 10, and captive joint with Hooke's joint 12 with Hooke's joint 8 respectively in two ends or the transmission shaft that is connected as a single entity is formed; Described transmission shaft has the interior axle 13 of spline tooth and inner peripheral surface to have the splined sleeve 14 with the cooresponding spline tooth in interior axle 13 spline tooth shape positions to constitute by one section side face; Described clutch spindle 2 ground another section outer peripheral faces have spline tooth, and the inner peripheral surface of described flange 9 has the cooresponding spline tooth in spline tooth shape position with described clutch spindle 2.

When installing and using, driving engine and power-transfer clutch 4 are not installed owing to not influenced by automobile front axle and can be descended 150～200 millimeters, change-speed box moves on to automobile front axle after on the relative coaxial line of driving engine and independently is installed in later (crossbeam) on the vehicle frame, by band universal-joint 8 and 10 and have the transmission shaft of expansion teeth cover to be connected, reach desirable type of drive to reach takeoff output and to regulate automobile the be in operation nonconcentricity and the drops of two independent installations being produced.Because driving engine descends, and moves decline behind the change-speed box, makes the relative broadening in bus deck front-wheel button fly front passageway, whole free space increases in the car, reached that contour of the vehicle is little, the big ideal effect of the relative same model vehicle of interior space, keeped in repair power-transfer clutch simultaneously and more save time, saved maintenance cost.

The utility model is not limited to this embodiment, and the utility model content is described all can implement and have good result.

Claims

1. city bus low-floor bus change-speed box and power-transfer clutch flexible connecting device, comprise: change speed gear box, one end is by bearing seat and change speed gear box bonded assembly clutch spindle, power-transfer clutch, it is characterized in that also comprising: one section has spline tooth and is connected with described power-transfer clutch (4), the other end has the clutch output shaft (5) of flange (6), the Hooke's joint (8) that one end has flange (7) and is bolted to connection with flange (6), one end has flange (10), hollow and with the flange (9) of described clutch spindle (2) socket, the Hooke's joint (12) that one end has flange (11) and is bolted to connection with flange (10), and the two ends transmission shaft of captiveing joint or being connected as a single entity with Hooke's joint (8) and Hooke's joint (12) respectively.

2. by claim 1 described city bus low-floor bus change-speed box and power-transfer clutch flexible connecting device, it is characterized in that: described transmission shaft has the interior axle (13) of spline tooth and inner peripheral surface that splined sleeve (14) formation with the interior cooresponding spline tooth in (13) spline tooth shape position is arranged by one section side face.

3. by claim 1 or 2 described city bus low-floor bus change-speed box and power-transfer clutch flexible connecting devices, it is characterized in that: described clutch spindle another section outer peripheral face (2) has spline tooth, and the inner peripheral surface of described flange (9) has the cooresponding spline tooth in spline tooth shape position with described clutch spindle (2).