MG700-WD型采煤機截割部的設計

機械論文編號:JX414  包括設計圖,說明書字數:22278.頁數:75
目    錄
1概述 1
1.1采煤機的發展概況 1
1.2國內電牽引采煤機的技術特點及趨勢 1
1.2.1采煤機的技術特點 1
1.2.2采煤機的發展趨勢 2
1.3采煤機類型及組成 3
1.3.1采煤機類型 3
1.3.2采煤機的組成 3
1.4采煤機總體方案的確定 4
1.4.1．適用范圍 5
1.4.2．主要技術參數 6
1.4.3整機主要特點 6
1.4.4主要結構及組成確定 6
2截割部的設計及計算 8
2.1電動機的選擇 8
2.2總傳動比及傳動比的分配 8
2.2.1總傳動比的確定 9
2.2.2傳動比的分配 9
2.3截割部傳動計算 11
2.3.1各級傳動轉速、功率、轉矩 11
2.3.2 截割部齒輪設計計算 12
2.3.3截割部行星機構的設計計算 35
2.3.4軸的設計及校核 58
2.3.5 軸承的壽命校核 66
2.3.6 花鍵的強度校核 67
3 采煤機的使用和維護 69
3.1潤滑及注油 69
3.2地面檢查與試運轉 69
3.3下井及井下組裝 70
3.4采煤機的井下操作  70
3.5機器的維護與檢修 71
結  論 73
參考文獻 74
翻譯部分
英文原文 75
中文譯文 84
致  謝 90

摘  要
MG700-WD型采煤機是一種電牽引大功率采煤機，該機機身矮，裝機功率大，所有電機橫向布置，機械傳動都是直齒傳動，電機、行走箱驅動輪組件等均可從老塘側抽出，故傳動效率高，容易安裝和維護。
本說明書主要介紹了采煤機截割部的設計計算。MG700-WD型采煤機截割部主要是由四級齒輪傳動組成，截割部電機放在搖臂內橫向布置，電動機輸出的動力經由三級直齒圓拄齒輪和行星輪系的傳動，最后驅動滾筒旋轉。截割部采用四行星單浮動結構，減小了結構尺寸，采用大角度彎搖臂設計，加大了過煤空間，提高了裝煤效果。
在設計過程中，對截割部的軸、傳動齒輪、軸承和聯接用的花鍵等部件進行了設計計算、強度校核和選用。本說明書主要針對主要部件的設計計算和強度校核進行了敘述和介紹。
此外，還對MG700-WD采煤機的使用與維護進行了說明，以便能更好的發揮該采煤機的性能，達到最佳工作效果。
關鍵詞：采煤機；截割部；減速箱；行星輪系；傳動齒輪；

ABSTRACT

    The MG700-WD mining machine is a kind of electricity drawing and high-power mining machine, this machine’s fuselage is low, installation-power is large, all electric motor are fixed up horizontally, mechanical drive is all the transmission of gear, electric motor、walking case drive wheel package etc, can take from old pool side out, so the transmission is high in efficiency, easy to install and maintain.
This manual main introduces the calculation of the cutting department of mining machine in design. The MG700-WD mining machine is made up of four level gear transmission, the electric motor of the cutting department is horizontally placed the inner of swinging arm, the output power of electric motor is drived by three level gear transmission and the department of planet, than drive the drum. The cutting department adopts the floating structure of four planetary forms, have reduced the physical dimension, adopts the large angle curve swinging arm design, have expanded the space of coal and bringed about a striking effect.
In the course of designing, to the axle of the cutting department, gear wheel of the transmission, parts such as the bearing and integral key etc, have been designed and calculated, the intensity is checked and selected for use. This manual mainly narrated and introduced the designs, calculation and intensity checking of main parts.
In addition, in order to be able to good full play performance of mining machine, reach the best working result, this manual have introduced the MG700-WD mining machine’s maintenance and use,.
Keyword: Mining machine; the cutting department; Gearbox; A department of planet; Gear wheel of the transmission