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39。39。mv ———— 根據(jù)選擇的提升機,由提升機規(guī)格表查得的標準提升速度, m/s。 ?j ———— 減速器傳動效率,單級傳動時 ?j = ,斜井提升機設(shè)備選型設(shè)計 13 雙級傳動時 ?j= ? ———— 電動機容量備用系數(shù), ? = ~。 (2) 估算電動機的轉(zhuǎn)速: Divn m? //60? m imr / ?? ??? 式中 i ———— 減速器的傳動比。在選擇提升機時,根據(jù)所選擇的標準提升速度,由提升機規(guī)格表中可查得相應(yīng)的傳到比。 (3) 根據(jù) P,n 及礦井電壓等級查電機規(guī)格表,預(yù)選出合適的電動機。 查表可選出電動機型號為 JRQ1488型號的電動機。 (4) 確定提升機的實際最大提升速度 smiDnv em / ?? ???? ? 式中 en 預(yù)選出的電動機的額定轉(zhuǎn)速, r/mim。 確定出提升機的最大提升速度斜井串車升降人員或升降物料時 smvm /5? ,專用人車的運行速度不得超過人車設(shè)計的最大允許速度。 斜井提升機設(shè)備選型設(shè)計 14 四 結(jié)果圖展示 斜井提升機設(shè)備選型設(shè)計 15 五 階段速度圖 六 總結(jié) : 本次的畢業(yè)設(shè)計,使我們對這幾年來所學(xué)部分課程進行了全面的復(fù)習(xí)和鞏固,初步學(xué)會了如何選擇提升 機系統(tǒng),鍛煉了我們分析問題和解決問題的能力,為將來工作打下了堅實的基礎(chǔ)。在此次設(shè)計中,老師和同學(xué)們都給與了我很大的幫助,讓我對提升系統(tǒng)有了進一步去的認識和禮節(jié),另外,單位領(lǐng)導(dǎo)也為我創(chuàng)造了設(shè)計的條件,在此,我衷心的感謝老師的精心指導(dǎo)以及單位領(lǐng)導(dǎo)的關(guān)懷和支持。本次設(shè)計時間緊,任務(wù)中,加上斜井提升機設(shè)備選型設(shè)計 16 我的能力有限以及缺乏經(jīng)驗,所以缺點和錯誤都在所難免,敬請各位老師和單位領(lǐng)導(dǎo)批評指導(dǎo),借以提高我的設(shè)計能力,適應(yīng)礦井機械化的需要,使我在今后的工作中不斷的提高。 最后,我衷心的祝愿所有給予我?guī)椭睦蠋熀蛦挝活I(lǐng)導(dǎo),祝他們在以后得生活 中工作順利,再創(chuàng)輝煌!謝謝! 斜井提升機設(shè)備選型設(shè)計 17 參考文獻 1.《煤礦安全規(guī)程》 中華人民共和國能源部制定 2022年版 2.《礦山固定機械手冊》 煤炭工業(yè)出版社 1986年版 主編:周乃榮 嚴萬生 3.《煤礦固定機械及運輸設(shè)備》 煤炭工業(yè)出版社 主編:牛樹仁 陳滋平 4.《機械設(shè)計手冊》 遼寧科學(xué)技術(shù)出版社 1990年版 主編:蔡春源 蔣尊賢 李自治 5.《礦井提升設(shè)備》 煤炭工業(yè)出版社 1980年版 主編 : 中國礦業(yè)學(xué)院 6.《礦井多繩提升選型設(shè)計》 煤炭工業(yè)出版社 1981年版 主編 : 范家駿 斜井提升機設(shè)備選型設(shè)計 18 畢業(yè)設(shè)計(論文)答辯委員會 畢業(yè)設(shè)計 (論文 )成績評定書 專業(yè)班級: 姓名: 畢業(yè)設(shè)計(論文)課題: 經(jīng)畢業(yè)設(shè)計(論文)答辯,評定該同學(xué)的畢業(yè)設(shè)計(論文 )成績?yōu)? 畢業(yè)設(shè)計(論文)答辯委員會主任: 副主任: 年 月 日 畢業(yè)設(shè)計(論文)任務(wù)書 根據(jù) 專業(yè)教學(xué)計劃安排, 同學(xué)畢業(yè)設(shè)計(論文)任務(wù)如下: 畢業(yè)設(shè)計(論文)課題: 原始資料: 設(shè)計要求: 設(shè)計時間:自 月 日至 月 日 指導(dǎo)教師: 系(部)主任: 年 月 日 評閱人評語: 斜井提升機設(shè)備選型設(shè)計 19 成績: 評閱人: 年 月 日 指導(dǎo)教師評語: 成 績: 指導(dǎo)教師: 年 月 日 ag an employment tribunal clai Emloyment tribunals sort out disagreements between employers and employees. You may need to make a claim to an employment tribunal if: you don39。t agree with the disciplinary action your employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly. For more informu, take advice from one of the anisations listed under Further help. Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation. Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the 斜井提升機設(shè)備選型設(shè)計 20 anisations listed under Further help. ation about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t appealed against the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal. Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept i. If you are worried about how the time limits apply to you If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as a damagesbased agreement. In England and Wales, your solicitor can39。t charge you more than 35% of your pensation if you win the case. you39。re clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find your nearest CAB, including those that give advice by , click on nearest CAB. For more information about making