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Aerial work platform traveling drive hydraulic system

An aerial work platform and travel drive technology, which is applied in the directions of fluid pressure actuating devices, servo motor assemblies, lifting devices, etc., can solve the problems of inconvenient walking of aerial work platforms and inability to meet the needs of aerial work platforms.

Active Publication Date: 2021-04-20
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 traveling 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] Such as figure 1 As shown, a walking driving hydraulic system of an aerial work pla...

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Abstract

The invention discloses a walking driving hydraulic system of an aerial work platform, which includes a reversing valve connected to the inlet of an oil circuit. The reversing valve is connected with a first control valve, a first motor, a second control valve, a second motor, the third control valve, the third motor, the fourth control valve and the fourth motor, the outlet of the fourth motor is connected with the reversing valve through the fifth control valve; Two diversion and confluence valves, the left part of the first diversion and confluence valve is connected to the outlet end of the first motor through the second control valve, and the second diversion and confluence valve is respectively connected to the third control valve and the fourth control valve; the first The right part of the diverter-collection valve is connected with the third control valve and the fourth control valve, and the second diverter-concentrator valve is connected with the outlet ports of the third motor and the fourth motor; to improve the walking convenience of the aerial work platform and ensure the high-altitude operation The purpose of platform walking quality.

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 Patents(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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