1827_液壓挖掘機行走裝置

1827_液壓挖掘機行走裝置,液壓,挖掘機,行走,裝置 南昌航空大學科技學院學士學位論文液壓挖掘機行走裝置設計學生姓名：樂晨輝 班級：0781052指導教師：邢普摘要：。在本次設計中，由于輪式行走機構結構緊湊且工作效率高，通 過比較采用了輪胎式行走裝置來滿足設計要求。 根據(jù)設計要求，機重為 11 噸；輪胎規(guī)格為 9.00-20；輪胎動力半徑 r =0.491 米。挖掘機最大 牽引力 P =0.6 機重；發(fā)動機功率w kN=58.8KW，轉速 2000r/min；油泵最大流量 2×100l/min；最大工作壓力 21MPa。最高行駛速度 31Km/h，設計取全 橋驅動。上部 轉臺是全回轉式，因此它可在一個更大的范圍內(nèi)工作。又因采用液壓機械傳動控制而使整機性能得以改善。與傳統(tǒng)機械式挖掘機相比，其行走能力提高到了很多。本次設計的主要內(nèi)容為：液壓挖掘機行走裝置方案設計；繪制裝配草圖和總裝配圖；動力源選擇及有關參數(shù)的確定；行走裝置牽引力的計算；傳動方式比較與選擇、傳動方案的確定及傳動系統(tǒng)的技術設計；行星減速器及零、部件的設計計算，主要零件強度校核；繪制零、部件 圖和總裝配圖， 進行仿真設計，編寫設計計算說明書。本設計的主要特點是：方案設計中提出多種方案，從可靠性、可實現(xiàn)性、 綜合性能等進行方案比較，選擇方案。其構造特點是行走部件之間的傳動采用齒輪傳動和液壓傳動，通 過油缸的伸縮來實現(xiàn) 挖掘行走過程中的動力傳遞。差速器與回轉平臺鉸接技術設計中應考慮總體配置合理、安全；選材、加工方法和技術條件參閱相關技術資料；圖紙按照所設計的參數(shù)進行繪制。充分注意整機各子系統(tǒng)之間的相關性，力求整機性能的一致性和最優(yōu)化性。從中可以看出整機作業(yè)能力有了很大的改進，不僅行走速度快，且整體挖掘機器重量輕 ，傳動平穩(wěn)，作業(yè)效率高，結構緊湊。關鍵詞：液壓挖掘機 行走裝置 減速器指導教師簽名：南昌航空大學科技學院學士學位論文Hydraulic excavator equipment designStudent name:LeChenHui Class:0781052Supervisor:XingPuAbstract：In this design, because the compact wheel running gear is high efficiency, by comparing the use of a tire to meet the design requirements of walking devices.According to design requirements, machine weight 11 tons; tire sizes 9.00-20; tire dynamic radius r = 0.491 meters. Excavator maximum traction P = 0.6 Weight; engine power N = 58.8KW, speed 2000r/min; pump maximum flow rate 2 × 100l/min; maximum working pressure of 21MPa. Maximum speed 31Km / h, designed to take full bridge driver.Upper turntable is the entire rotation, so it can be in a larger range.Because of the use of hydraulic mechanical transmission the entire machine performance can be improved.Compared with the traditional mechanical excavators, and its capacity to a lot of walking.The design of the main contents are: hydraulic excavator equipment design; assembly drawing general assembly drawings and sketches; power source selection and the determination of the parameters; running gear traction calculation; Transmission comparison and selection, determination and drive schemeTransmission of the technical design; planetary gear and parts and components of the design calculations, the main part strength check; drawn components and parts drawings, and assembly drawings, design calculations prepared statement.The design of the main features are: program design presented in a variety of programs, from the reliability, can be realized, for programs such as comprehensive performance comparison options.Its structure is characterized by walking between the drive components and hydraulic transmission with gear drive, stretching through the cylinder to achieve the excavation of the power during walking.Differential with the rotary platform articulated the overall technical design should be considered a reasonable allocation, security; selection, processing methods and criteria refer to the relevant technical information; drawings in accordance with the design parameters to draw.Full attention to machine the 南昌航空大學科技學院學士學位論文correlation between the various subsystems, and strive to overall performance of the consistency and optimization.Machine operation capability can be seen from a considerable improvement, not only walking speed, and overall mining machinery, light weight, smooth drive, high efficiency, compact structure.Keywords: Hydraulic walking device reducerSignature of Supervisor: