Bulldozer

A technology for bulldozers and hoods, applied to mechanically driven excavators/dredgers, etc., can solve problems such as resonance, shortened service life of bulldozers, unfavorable driving of bulldozers, etc., to optimize pipeline layout, improve work reliability, and shorten length Effect

Active Publication Date: 2014-11-19
SHANTUI CONSTR MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, the body structure is welded by a large number of thin plate parts. This structure is easy to form a new vibration source driven by the power system and the walking system. The above engine and hydraulic pump are independently damped, and the vibration of the engine a

Method used

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Embodiment Construction

[0036] The core of the present invention is to provide a bulldozer, the bulldozer structure can effectively reduce the influence of vibration on various components, and improve the service life and working performance of the components.

[0037] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Please refer to Figure 1-2 , figure 1 It is a structural block diagram of a bulldozer in an embodiment of the present invention; figure 2 It is a schematic diagram of the vibration transmission of the main frame in the bulldozer in an embodiment of the present invention.

[0039] The invention provides a bulldozer, comprising a main frame 1, an engine 2, a hood, and an exhaust gas post-processing device 3 are arranged on the main frame 1, and the hood mainly protects the engin...

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Abstract

The invention discloses a bulldozer which comprises a main machine frame. An engine, a machine cover and an exhaust gas post-processing device are arranged on the main machine frame. A gas inlet of the exhaust gas post-processing device is communicated with a worm wheel gas outlet of the engine through a pipeline. The exhaust gas post-processing device is fixed to the machine cover. Vibration generated by the engine in the bulldozer needs to be transmitted to the main machine frame through an engine supporting frame or a shock absorption device and then transmitted to the machine cover through the main machine frame, so that the vibration transmission path is long, vibration damping becomes complex, the damping value is high, and vibration transmitted to an air filter is quite small; vibration caused by working of a scraper knife working device to the main machine frame is transmitted to the exhaust gas post-processing device through the main machine frame, the machine cover, the shock absorption device and the like, so that the vibration transmission path is long, and the exhaust gas post-processing device is accordingly less influenced by vibration caused by working of the scraper knife working device; the exhaust gas post-processing device is arranged on the machine cover, and therefore the length of an exhaust pipeline can be shortened, pipeline layout can be optimized, and system working reliability can be improved.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a bulldozer. Background technique [0002] Due to the limitation of working conditions, the vibration and noise of construction machinery are basically difficult to eliminate. In the prior art, vibration reduction is generally achieved by setting a vibration reduction mechanism and optimizing the structure of the vibration reduction mechanism. Key issues in structural design. [0003] The vibration of the bulldozer mainly comes from five aspects: power system, walking system (road conditions), body structure, hydraulic system and cooling fan system. Among the above five aspects, the vibration of the engine in the power system is the main vibration source of the bulldozer. Among them, the power system Bulldozers with diesel engines have more serious vibrations than those with gasoline engines. Therefore, the vibration reduction measures of the components directly c...

Claims

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Application Information

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IPC IPC(8): E02F3/76E02F3/80
Inventor 刘长安姜雨田李向阳王金亮闫东晓黄亚军张林振石松山赵建军贾超
Owner SHANTUI CONSTR MASCH CO LTD
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