Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTI-AXLE WORK VEHICLE
Document Type and Number:
Japanese Patent JP2015024739
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a multi-axle work vehicle, which has three or more axles, is free from a risk of the concentration of a load on one axle, eliminates the need of setting an axle strength sufficient to bear an excessive axle load, and prevents an increase in the weight of axles and costs.SOLUTION: A mobile crane 1 is provided with one front axle 20 that rotatably supports front wheels 13 on the front side of a vehicle body 3 and with two rear axles 23 that rotatably support rear wheels 15 on the rear side of the vehicle body 3. The one front axle 20 that rotatably supports the front wheels 13 is rigidly attached to the vehicle body 3 while the two or more rear axles 23 that rotatably support wheels are supported by axle suspending type hydraulic suspensions 30 to swingably support the rear axles 23 against the vehicle body. Oil chambers on the extension side of hydraulic cylinders 31 of the hydraulic suspensions 30, which support respective rear wheels 15 provided to the two rear axles 23, communicate with each other via a first communication oil passage and a third communication oil passage.

Inventors:
KUSAKA FUMITSUGU
NISHIMARU TSUBASA
Application Number:
JP2013155341A
Publication Date:
February 05, 2015
Filing Date:
July 26, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TADANO LTD
International Classes:
B60G5/00; B60G21/067
Domestic Patent References:
JP2011241035A2011-12-01
JPS6272803U1987-05-09
JPH1036079A1998-02-10
JP2004114901A2004-04-15
JP2009208959A2009-09-17
Attorney, Agent or Firm:
Patent business corporation エビス international patent firm