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Hydraulic grader transmission gear

A transmission device and motor grader technology, which is applied to earth movers/excavators, construction, etc., can solve problems such as reduced reliability and service life, high fuel consumption, vibration acceleration, and impact on driving comfort, so as to reduce working fuel consumption , reduce emissions, improve reliability and service life

Inactive Publication Date: 2011-09-07
益阳市科技成果转化服务中心 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is still unavoidable for the engine to work in the rated speed area with high noise, high fuel consumption and high vibration acceleration.
As a result, the engine wears more, its reliability and service life are reduced, and it has a greater impact on driving comfort

Method used

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  • Hydraulic grader transmission gear
  • Hydraulic grader transmission gear
  • Hydraulic grader transmission gear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] See figure 1 , which is a structural diagram of an existing hydraulic grader transmission device.

[0030] Depend on figure 1 It can be seen that the existing hydraulic motor grader transmission device includes an engine 1 , a hydraulic pump 4 , and hydraulic motors 5 and 6 .

[0031] The engine 1 is used as a prime mover to provide power to the motor grader. The throttle opening of the engine 1 can be adjusted, and different throttle openings correspond to different engine output characteristic curves. Under each throttle opening, the output characteristic curve of the engine includes torque-speed curve, power-speed curve, fuel consumption-speed curve, these curves can provide the relationship between torque, power, fuel consumption and speed of the engine, and the adjustable parameters of the engine are The throttle opening of the engine corresponds to the same throttle opening, and the engine has a corresponding torque-speed curve, power-speed curve, and fuel cons...

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PUM

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Abstract

The invention discloses a hydraulic leveler actuator, which comprises a generator (1), a clutch (2), a hydraulic pump (4), hydraulic motors (5, 6) and deceleration balance boxes (8, 9), wherein input end of the hydraulic motors (5, 6) are respectively connected to the output end of the hydraulic pump (4), output shafts of the hydraulic motors are respectively connected to input shafts of the deceleration balance boxes (8, 9); output shafts of the deceleration balance boxes(8, 9) are respectively connected to wheels (7, 12, 10, 11). The invention also comprises a speed-increasing box (3), wherein one end of the speed-increasing box (3) is connected to the fly wheel shell of the generator (1) through the clutch (2), the other end of the speed-increasing box is connected to the input end of the hydraulic pump (4); the hydraulic pump (4) is of small output volume and high rotation speed. The hydraulic leveler actuator can lower the generator noise, vibration, oil consumption and discharge, has comfort driving and saves production cost.

Description

technical field [0001] The invention relates to a transmission device for a grader, in particular to a transmission device for a hydraulic grader. Background technique [0002] The grader is a high-speed, high-efficiency, high-precision and multi-purpose earthmoving machinery. It can complete large-area ground leveling, trenching, slope scraping, bulldozing, snow removal, loosening, compaction, cloth, mixing, loading and land reclamation for large areas such as roads and farmland. It is ideal for national defense projects, mine construction, and road construction. , water conservancy construction and farmland improvement and other important equipment in construction. In recent years, the scope of use of motor graders has been expanding; with the continuous development of economic construction and science and technology, people have paid more and more attention to the driving comfort, environmental protection and energy saving of construction machinery. Therefore, the const...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/85
Inventor 许小球江海波
Owner 益阳市科技成果转化服务中心