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Electromagnetic valve for controlling traveling direction

A technology of walking direction and solenoid valve, which is applied to the layout of power plant control mechanism, fluid pressure actuator, servo motor assembly, etc., which can solve problems such as inconvenient operation, inconvenience to drivers and operators, and impact on safety production

Active Publication Date: 2017-05-10
QUANZHOU KINHO CONSTR MACHINERY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current engineering vehicles such as wheeled excavators, in the driving state such as driving, parking, acceleration, deceleration, etc., the driver and the operator need to make corresponding operations in time and control the size of the accelerator to adapt to the changes in the driving state. It is also necessary to perform corresponding operations such as shifting gears, adjusting the steering wheel, etc., which is not only inconvenient to operate, but also requires further improvement in operability
[0003] In the case of complex road conditions and harsh working environments, this will bring great inconvenience to drivers and operators, and even affect safe production.

Method used

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  • Electromagnetic valve for controlling traveling direction
  • Electromagnetic valve for controlling traveling direction
  • Electromagnetic valve for controlling traveling direction

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Experimental program
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Embodiment 1

[0040] Such as Figure 1 to Figure 11 As shown, in this embodiment, the combined accelerator and travel control valve assembly mainly includes a pedal mounting seat 100 , a pedal body 200 , and a combined accelerator and travel control valve 300 .

[0041] The throttle and travel control combined valve 300 mainly includes a throttle control device 400 , a travel control combined valve 500 , and a travel direction control solenoid valve 600 .

[0042] The throttle control device 400 mainly includes a reset mechanism and a throttle opening control mechanism 420 .

[0043] The travel control combination valve 500 mainly includes an outer valve body 510 , a combination valve core 512 , a combination return spring 513 and a combination valve control part 514 .

[0044] The traveling direction control solenoid valve 600 mainly includes a solenoid valve body 610, a solenoid valve core 620, an electromagnetic return spring 624 and a solenoid valve control part.

[0045] Preferably, ...

Embodiment 2

[0096] This embodiment also includes an inner valve body 511 , the inner valve body 511 is located in the combined spool chamber 510 b, and the other free end of the outer return spring 5131 pushes against the inner valve body 511 . Through the inner valve body 511, the combination valve oil inlet cavity 510a, the combination valve core cavity 510b, the combination valve distribution cavity 510c and the combination valve oil return cavity 510d can be communicated.

[0097]Preferably, the top of the inner valve body 511 is provided with an inner valve body through hole 511a adapted to the inner valve core 5122, and the inner valve core lower boss 5122e of the inner valve core 5122 extends into the inner valve body 511, and the inner valve core The concave part of the inner valve core of the core 5122 and the upper boss 5122d of the inner valve core can freely pass through the through hole 511a of the inner valve body. When the inner spool 5122 moves down to the working position...

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Abstract

The invention discloses an electromagnetic valve for controlling the traveling direction. The electromagnetic valve for controlling the traveling direction comprises an electromagnetic valve body, an electromagnetic valve element, an electromagnetic reset spring, an electromagnetic valve control part, an electromagnetic cavity inlet, an electromagnetic valve outlet and an electromagnetic valve oil return cavity. When the electromagnetic valve control part controls the electromagnetic valve element to reciprocate between a working position and a restoration position, a combined valve oil outlet cavity A or a combined valve oil outlet cavity B is opened or closed accordingly, and the combined valve oil outlet cavity A or the combined valve oil outlet cavity B correspondingly drives an associated traveling mechanism to advance or retreat. According to the electromagnetic valve for controlling the traveling direction, in traveling acceleration and deceleration states and in other states, an operator just needs to tread on a combined valve control part to increase the opening degree of an accelerator, more oil is supplied by a hydraulic traveling system, the vehicle speed is higher, and a vehicle can advance or retreat or be in a neutral-gear state by powering on or powering off the electromagnetic valve for controlling the traveling direction at the same time; the control mode which is more user-friendly can adapt to driving habits of a driver and the operator, and great convenience is brought; and the electromagnetic valve is particularly suitable for operation under complex road conditions and severe working environments, and the comfort and safety in traveling and working states and in other states can be further improved.

Description

technical field [0001] The priority document of this patent application is as follows: the priority number of the Chinese invention patent is CN201610796480.6, the priority date is August 31, 2016, and the name is "traveling direction control solenoid valve". The invention relates to a pedal of engineering vehicles such as wheeled excavators, in particular to a walking direction control solenoid valve. Background technique [0002] The current engineering vehicles such as wheeled excavators, in the driving state such as driving, parking, acceleration, deceleration, etc., the driver and the operator need to make corresponding operations in time and control the size of the accelerator to adapt to the changes in the driving state. Also need to do corresponding operation to hang gear, adjust steering wheel etc., not only inconvenient to operate, and operability also needs to be further improved. [0003] In the case of complicated road conditions and bad working environment, th...

Claims

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Application Information

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IPC IPC(8): B60K26/02F15B13/02
CPCF15B13/02B60K26/02Y02T10/40
Inventor 谢帮亮林秀丹周红梅
Owner QUANZHOU KINHO CONSTR MACHINERY TECH
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