Automatic control loading machine gearbox

An automatic controller and gearbox technology, which is applied in the direction of transmission control, transmission box, mechanical equipment, etc., can solve the problems of cumbersome operation, inability to perform automatic control operation, etc., achieves low cost, overcomes short working life, and is easy to operate. Effect

Inactive Publication Date: 2013-05-15
淮安天工传动科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high and low gear shifting operation of this patented technology requires the front and rear gear handles to be placed in the neutral position before shifting gears. The operation is more cumbersome and cannot be automatically controlled. There is still room for improvement.

Method used

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  • Automatic control loading machine gearbox
  • Automatic control loading machine gearbox

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Embodiment Construction

[0011] Such as figure 1 , 2 As shown, the forward and backward hydraulic shifting system 2 ( figure 2 Middle dotted line box) and high and low speed hydraulic shifting system 3 ( figure 2 The upper dotted box in ) is composed. The forward and reverse hydraulic shifting system controlled by the automatic controller is mainly composed of front and rear shift solenoid valves 21, hydraulic clutches 22, and front and rear gear sets. Piston group, wherein the first piston rod is connected with the forward gear 23, and the second piston rod is connected with the reverse gear 24; the high and low speed hydraulic shifting system connected and controlled by the automatic controller is mainly composed of high and low gear shift solenoid valves 31, The shift oil cylinder 32, the shift fork 33, and the engagement sleeve 34 are formed. The high and low gear shift solenoid valves are respectively connected to the shift oil cylinder piston rod to connect the shift fork, and the shift for...

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Abstract

The invention provides an automatic control loading machine gearbox, which comprises a forward and backward hydraulic shifting system and a high and low-speed hydraulic shifting system which are controlled by an automatic controller respectively. The high and low-speed hydraulic shifting system mainly comprises a high and low-gear shifting electromagnetic valve, a shifting oil cylinder, a shifting fork and a sliding sleeve, wherein the high and low-gear shifting electromagnetic valve is connected with the shifting oil cylinder and the shifting fork in sequence. The forward and backward hydraulic shifting system mainly comprises a front and back-gear shifting electromagnetic valve, a hydraulic clutch and a front and back-gear gear set, wherein the front and back-gear shifting electromagnetic valve is connected with the hydraulic clutch and the front and back-gear gear set in sequence. In the invention, the advantages of the low cost of a completely mechanical shifting gearbox of a loading machine and the convenient operation of a completely hydraulic clutch shifting gearbox are combined, and the defects of short service life of the completely mechanical shifting gearbox, complicated structure of the completely hydraulic clutch shifting gearbox, large difficulty of the manufacturing process and high manufacturing cost are overcome. The loading machine gearbox has the advantages of high automation, convenient operation, reliable working, low cost and large transmission torque.

Description

technical field [0001] The invention relates to a loader gearbox, in particular to an automatically controlled loader gearbox. Background technique [0002] Loader gearbox is an important part of loader transmission. The clutch operation of the loader and the shift operation of the forward and reverse of the car body need to be completed by the driver of the loader by manipulating two groups of handles of the gearbox respectively. Loader gearboxes currently on the market are mainly divided into two categories, one is a fully mechanical shift gearbox with lower manufacturing costs; the other is a fully hydraulic clutch shift gearbox that is easy to operate. The former must manually separate and engage the mechanical friction clutch to shift gears. The driver’s labor intensity is high, the wear of the clutch components is relatively large, it is difficult to repair after damage, and the working life is short; the latter has a complex structure and a difficult manufacturing pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/40F16H57/02
Inventor 王际成胡玉军
Owner 淮安天工传动科技有限公司
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