CN101549642A - Combined speed changer with fore-and-aft pneumatic gearing auxiliary box - Google Patents

Combined speed changer with fore-and-aft pneumatic gearing auxiliary box Download PDF

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Publication number
CN101549642A
CN101549642A CNA2009101140499A CN200910114049A CN101549642A CN 101549642 A CN101549642 A CN 101549642A CN A2009101140499 A CNA2009101140499 A CN A2009101140499A CN 200910114049 A CN200910114049 A CN 200910114049A CN 101549642 A CN101549642 A CN 101549642A
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CN
China
Prior art keywords
speed changer
aft
fore
auxiliary box
pneumatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2009101140499A
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Chinese (zh)
Inventor
陈荣文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin Fuda Group Co Ltd
Original Assignee
Guilin Fuda Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin Fuda Group Co Ltd filed Critical Guilin Fuda Group Co Ltd
Priority to CNA2009101140499A priority Critical patent/CN101549642A/en
Publication of CN101549642A publication Critical patent/CN101549642A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a combined speed changer with fore-and-aft pneumatic gearing auxiliary box, including a main speed changer and a speed step front auxiliary or rear auxiliary transmission, which is characterized in that a speed step pneumatic step auxiliary transmission integrated with the main speed changer is simultaneously provided on the front end and rear end of the speed changer, to combine combined speed changer with fore-and-aft auxiliary transmission. The invention has advantages that the speed changer adopts fore-and-aft auxiliary box, the auxiliary box pneumatically hangs step, the operation is simple and reliable, is suitable for the vehicle or tractor used in the roads, and the gears can be increased to 20.

Description

The combined speed changer of band fore-and-aft pneumatic gearing auxiliary box
Technical field
The present invention relates to automobile and the manufacturing of trac. change-speed box, specifically is the combined speed changer of band fore-and-aft pneumatic gearing auxiliary box.
Background technology
Present domestic automobile, tractor manufacturer merchant, usually adopt a main gearbox and the preceding secondary or back demultiplicator of speed shelves, the speed ratio that can Gong select for use like this is few, Speed Ratio Distribution is not quite reasonable, do not satisfy the operating needs of various complicated roads, adopt three more than the gear if preceding pair or back are secondary, a whole set of compressed-air control mechanism is too complicated again, and manufacturing cost is higher.
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, and a kind of combined speed changer with fore-and-aft pneumatic gearing auxiliary box is provided.
The technical scheme that realizes the object of the invention is:
Combined speed changer of the present invention comprises main gearbox and demultiplicator, it is characterized in that: the demultiplicator that a pneumatic engage a gear of speed shelves that connects as one with main gearbox is set simultaneously in the main gearbox front-end and back-end, be combined into the combined speed changer of a band front and back demultiplicator, thereby the acquisition Speed Ratio Distribution is more reasonable, the gear selection is more, handle simple combined speed changer.
Described pneumatic engage a gear demultiplicator is aft pneumatic gearing auxiliary box.
Advantage of the present invention is: main gearbox direct control or remote handing, preceding pair and back demultiplicator adopt pneumatic engage a gear, gear can be increased to 20, handle simple and reliable, design can be simplified the layout of operator's compartment like this, handled easily, can obtain simultaneously more transmission gear ratio selects different road conditions for chaufeur, be applicable to the automobile or the trac. of complicated road usage, the design of rear-mounted gear group has improved the output torque of change-speed box, improved the reliability of whole change-speed box, reached higher takeoff output for the configurable lower-powered driving engine of torsional interaction that increases owing to change-speed box in the car load design, thereby reduce integral vehicle cost.
Description of drawings:
Fig. 1 is the constructional drawing of the combined speed changer of odd-side before and after the band of the present invention.
Among the figure: 1. demultiplicator 2. main gearboxs 3. back demultiplicators before
The specific embodiment
The present invention includes main gearbox 2, preceding demultiplicator 1 and a back demultiplicator 3 with the pneumatic engage a gear of main gearbox 2 bonded assembly speed shelves is set simultaneously in the front-end and back-end of main gearbox 2, be combined into a secondary combined speed changer in band front and back, thereby the acquisition Speed Ratio Distribution is more reasonable, the gear selection is more, handle simple combined speed changer.

Claims (1)

1, a kind of combined speed changer with fore-and-aft pneumatic gearing auxiliary box, comprise secondary or back demultiplicator before main gearbox and the speed retaining, it is characterized in that: be provided with simultaneously in the main gearbox front-end and back-end a pneumatic engage a gear of speed shelves that connects as one with main gearbox preceding demultiplicator and after demultiplicator.
CNA2009101140499A 2009-05-09 2009-05-09 Combined speed changer with fore-and-aft pneumatic gearing auxiliary box Pending CN101549642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2009101140499A CN101549642A (en) 2009-05-09 2009-05-09 Combined speed changer with fore-and-aft pneumatic gearing auxiliary box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2009101140499A CN101549642A (en) 2009-05-09 2009-05-09 Combined speed changer with fore-and-aft pneumatic gearing auxiliary box

Publications (1)

Publication Number Publication Date
CN101549642A true CN101549642A (en) 2009-10-07

Family

ID=41154221

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2009101140499A Pending CN101549642A (en) 2009-05-09 2009-05-09 Combined speed changer with fore-and-aft pneumatic gearing auxiliary box

Country Status (1)

Country Link
CN (1) CN101549642A (en)

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20091007