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Aerial work platform walking drive hydraulic system

A high-altitude work platform, walking drive technology, applied in the direction of fluid pressure actuators, lifting devices, servo motor components, etc., can solve problems such as inconvenient walking of high-altitude work platforms, can not meet the needs of high-altitude work platform walking, to ensure normal operation The effect of operation

Active Publication Date: 2018-02-23
MANTALL HEAVY IND
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Problems solved by technology

[0002] At present, the walking of self-propelled aerial work platforms mainly adopts open or closed systems. The open system mainly adopts 2-wheel drive system, and the 2-wheel drive system cannot meet the walking needs of aerial work platforms, which brings inconvenience to the walking of aerial work platforms.

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  • Aerial work platform walking drive hydraulic system

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0025] The invention provides a walking driving hydraulic system for an aerial work platform. Its working principle is to form a driving valve group by using a reversing valve, a diverting and collecting valve and a control valve to realize the driving of four motors, and to drive the four motors according to different working conditions. The series and parallel connections of the motors are switched to achieve the purpose of improving the walking convenience of the aerial work platform and ensuring the walking quality of the aerial work platform.

[0026] The present invention will be described in further detail below in conjunction with examples and specific implementation methods.

[0027] like figure 1 As shown, a walking driving hydraulic system of an aerial work platfo...

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Abstract

The invention discloses an aerial work platform walking drive hydraulic system. The aerial work platform walking drive hydraulic system comprises a reversing valve connected with an oil way inlet. Thereversing valve is connected with a first control valve, a first motor, a second control valve, a second motor, a third control valve, a third motor, a fourth control valve and a fourth motor, and anoutlet of the fourth motor is connected with the reversing valve through a fifth control valve. The reversing valve is connected with a first flow distributing and collecting valve and a second flowdistributing and collecting valve. The left portion of the first flow distributing and collecting valve is connected with the outlet end of the first motor through the second control valve, and the second flow distributing and collecting valve is connected with the third control valve and the fourth control valve. The right part of the first flow distributing and collecting valve is connected withthe third control valve and the fourth control valve, and the second flow distributing and collecting valve is connected with the outlet end of the third motor and the outlet end of the fourth motor.The purposes of improving the walking convenience of an aerial work platform and guaranteeing the walking quality of the aerial work platform are achieved.

Description

technical field [0001] The invention relates to the field of aerial work platforms, in particular to a traveling driving hydraulic system of the aerial work platform. Background technique [0002] At present, the walking of self-propelled aerial work platforms mainly adopts open or closed systems. The open system mainly adopts 2-wheel drive system, and the 2-wheel drive system cannot meet the needs of walking on aerial work platforms, which brings inconvenience to the walking of aerial work platforms. Contents of the invention [0003] In order to solve the above technical problems, the present invention proposes a driving hydraulic system for the aerial work platform to achieve the purpose of improving the walking convenience of the aerial work platform and ensuring the walking quality of the aerial work platform. [0004] To achieve the above object, the technical scheme of the present invention is as follows: [0005] A walking drive hydraulic system for an aerial work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B13/02B66F11/04
CPCB66F11/04F15B13/02
Inventor 沈李米克强李华
Owner MANTALL HEAVY IND
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