Construction machinery and its upper drive system

A technology of transmission system and construction machinery, applied in cranes and other directions, can solve the problem of difficulty in starting the engine on the vehicle, and achieve the effect of normal operation and reduction of starting resistance.

Active Publication Date: 2015-08-12
SANY AUTOMOBILE HOISTING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, one of the objects of the present invention is to provide a drive system for boarding to solve the problem in the prior art that the boarding engine is difficult to start in a severe cold environment

Method used

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  • Construction machinery and its upper drive system
  • Construction machinery and its upper drive system

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Embodiment Construction

[0033] It should be pointed out that the description and sequence of specific structures in this section are only descriptions of specific embodiments, and should not be considered as limiting the protection scope of the present invention. In addition, the embodiments in this section and the features in the embodiments can be combined with each other under the condition of no conflict.

[0034] Please refer to figure 1 , the present invention will be described in detail below in conjunction with embodiment.

[0035] Such as figure 1 As shown, the on-board transmission system of this embodiment includes an on-board engine 1 , a clutch 2 , a transfer case 3 , a hydraulic pump 4 , a transfer assist mechanism 5 and a clutch control device 6 .

[0036] Wherein, the clutch 2 is installed on the rear end face of the flywheel of the engine 1 on the vehicle; the power input shaft of the transfer case 3 is connected to the clutch 2 (such as a spline connection); the power input shaft ...

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Abstract

Disclosed is an upper transmission system of engineering machinery. The upper transmission system comprises an upper engine (1), a clutch (2), and a transfer case (3); the clutch (2) is installed on a rear end surface of a flywheel (11) of the upper engine (1), and a power input shaft of the transfer case (3) is connected to the clutch (2) by means of driving; when the upper transmission system is used, in a severely cold environment, if it is difficult to start the upper engine (1), the clutch (2) may be operated to separate from the upper engine (1), to disconnect the upper engine (1) from the transfer case (3), so that the upper engine (1) disengages from loads such as the transfer case (3). In this way, start-up resistance of the upper engine (1) can be reduced, so that the upper engine (1) is started in time and normally. After the upper engine (1) is started, the clutch (2) can be operated to be combined with the upper engine (1), so that the upper engine (1) transmits power to components such as the transfer case (3), to implement normal operation of the whole machine. Also disclosed is engineering machinery having the upper transmission system.

Description

technical field [0001] The invention relates to the technical field of vehicle engine transmission, in particular to an engineering machine and its vehicle transmission system. Background technique [0002] At present, large tonnage (such as more than 100 tons) construction machinery (such as truck cranes) often adopts a design scheme in which the boarding and dismounting (including the chassis) are equipped with separate engines, that is, the boarding uses an independent engine (hereinafter referred to as the boarding engine) Provide power. The transmission route of the engine on the vehicle is as follows: the engine on the vehicle transmits power to the transfer case through an elastic coupling, and one or more power output shafts of the transfer case are driven and connected with the power input shaft of the hydraulic pump to realize the hydraulic system. normal work. [0003] When this type of construction machinery is in a severe cold environment, for example, when it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/62B66C23/38
CPCB66C23/62
Inventor 戴小石刘木南钟明辉
Owner SANY AUTOMOBILE HOISTING MACHINERY
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