【文章內(nèi)容簡介】
板用鑄鐵制成,用M6緊固B 油螺塞:放油孔位于油池最底處,并安排在減速器不與其他部件靠近的一側(cè),以便放油,放油孔用螺塞堵住,因此油孔處的機(jī)體外壁應(yīng)凸起一塊,由機(jī)械加工成螺塞頭部的支承面,并加封油圈加以密封。C 油標(biāo):油標(biāo)位在便于觀察減速器油面及油面穩(wěn)定之處。油尺安置的部位不能太低,以防油進(jìn)入油尺座孔而溢出.D 通氣孔:由于減速器運(yùn)轉(zhuǎn)時(shí),機(jī)體內(nèi)溫度升高,氣壓增大,為便于排氣,在機(jī)蓋頂部的窺視孔改上安裝通氣器,以便達(dá)到體內(nèi)為壓力平衡.E 蓋螺釘:啟蓋螺釘上的螺紋長度要大于機(jī)蓋聯(lián)結(jié)凸緣的厚度。釘桿端部要做成圓柱形,以免破壞螺紋.F 位銷:為保證剖分式機(jī)體的軸承座孔的加工及裝配精度,在機(jī)體聯(lián)結(jié)凸緣的長度方向各安裝一圓錐定位銷,以提高定位精度.G 吊鉤:在機(jī)蓋上直接鑄出吊鉤和吊環(huán),用以起吊或搬運(yùn)較重的物體.減速器機(jī)體結(jié)構(gòu)尺寸如下:名稱符號(hào)計(jì)算公式結(jié)果箱座壁厚13箱蓋壁厚11箱蓋凸緣厚度12箱座凸緣厚度箱座底凸緣厚度地腳螺釘直徑M24地腳螺釘數(shù)目查手冊(cè)6軸承旁聯(lián)接螺栓直徑M12機(jī)蓋與機(jī)座聯(lián)接螺栓直徑=(~)M10軸承端蓋螺釘直徑=(~)10視孔蓋螺釘直徑=(~)8定位銷直徑=(~)10,至外機(jī)壁距離查機(jī)械設(shè)計(jì)手冊(cè)表112341816,,至凸緣邊緣距離查機(jī)械設(shè)計(jì)手冊(cè)表112281614外機(jī)壁至軸承座端面距離=++(8~12)45大齒輪頂圓與內(nèi)機(jī)壁距離20齒輪端面與內(nèi)機(jī)壁距離15機(jī)蓋,機(jī)座肋厚10 12軸承端蓋外徑+(5~)85(1軸)100(2軸)130(3軸)軸承旁聯(lián)結(jié)螺栓距離85(1軸)100(2軸)130(3軸)10. 潤滑密封設(shè)計(jì)對(duì)于二級(jí)圓柱齒輪減速器,因?yàn)閭鲃?dòng)裝置屬于輕型的,且傳速較低,所以其速度遠(yuǎn)遠(yuǎn)小于,所以采用脂潤滑,箱體內(nèi)選用SH035792中的50號(hào)潤滑,裝至規(guī)定高度.油的深度為H+ H=30 =34所以H+=30+34=64其中油的粘度大,化學(xué)合成油,潤滑效果好。密封性來講為了保證機(jī)蓋與機(jī)座聯(lián)接處密封,聯(lián)接凸緣應(yīng)有足夠的寬度,聯(lián)接表面應(yīng)精創(chuàng),其表面粗度應(yīng)為 密封的表面要經(jīng)過刮研。而且,凸緣聯(lián)接螺柱之間的距離不宜太大,國150mm。并勻均布置,保證部分面處的密封性。四 設(shè)計(jì)小結(jié) 這次關(guān)于帶式運(yùn)輸機(jī)上的二級(jí)展開式圓柱齒輪減速器的課程設(shè)計(jì)是我們真正理論聯(lián)系實(shí)際、深入了解設(shè)計(jì)概念和設(shè)計(jì)過程的實(shí)踐考驗(yàn),對(duì)于培養(yǎng)我們理論聯(lián)系實(shí)際的設(shè)計(jì)思想。訓(xùn)練綜合運(yùn)用機(jī)械設(shè)計(jì)和有關(guān)先修課程的理論,結(jié)合生產(chǎn)實(shí)際和解決工程實(shí)際問題的能力。鞏固、加深和擴(kuò)展有關(guān)機(jī)械設(shè)計(jì)方面的知識(shí);提高我們機(jī)械設(shè)計(jì)的綜合素質(zhì)等方面有重要的作用。通過三個(gè)星期的設(shè)計(jì)實(shí)踐,使我們對(duì)機(jī)械設(shè)計(jì)有了更多的了解和認(rèn)識(shí)。為我們以后的工作打下了堅(jiān)實(shí)的基礎(chǔ)。在此次設(shè)計(jì)過程中,不但使我們樹立起了正確的設(shè)計(jì)思想,而且,也使我們學(xué)到了很多機(jī)械設(shè)計(jì)的一般方法,基本掌握了一般機(jī)械設(shè)計(jì)的過程,還培養(yǎng)了我們的基本設(shè)計(jì)技能,所以這次課程設(shè)計(jì)我們的收獲是非常巨大的。機(jī)械設(shè)計(jì)是機(jī)械工業(yè)的基礎(chǔ),是一門綜合性相當(dāng)強(qiáng)的技術(shù)課程,它融《機(jī)械原理》、《機(jī)械設(shè)計(jì)》、《理論力學(xué)》、《材料力學(xué)》、《公差與配合》、《機(jī)械工程材料》、《機(jī)械設(shè)計(jì)手冊(cè)》等于一體。在這次的課程設(shè)計(jì)過程中,綜合運(yùn)用先修課程中所學(xué)的有關(guān)知識(shí)與技能,結(jié)合各個(gè)教學(xué)實(shí)踐環(huán)節(jié)進(jìn)行機(jī)械課程的設(shè)計(jì),逐步提高了我們的理論水平、構(gòu)思能力、工程洞察力和判斷力,特別是提高了分析問題和解決問題的能力,為我們以后對(duì)專業(yè)產(chǎn)品和設(shè)備的設(shè)計(jì)打下了寬廣而堅(jiān)實(shí)的基礎(chǔ)。一分耕耘一分收獲,雖然設(shè)計(jì)時(shí)間很緊迫,每天都要計(jì)算、畫圖到深夜,但是我們的收獲也是很巨大的,相信這次的課程設(shè)計(jì)必將是我們走向成功的一個(gè)堅(jiān)實(shí)基礎(chǔ)。在本次設(shè)計(jì)過程中得到了指導(dǎo)老師的細(xì)心幫助和支持。衷心的感謝老師的指導(dǎo)和幫助五 參考資料1. 《機(jī)械設(shè)計(jì)第八版》 高等教育出版社 主編:濮良貴,紀(jì)名剛2. 《機(jī)械設(shè)計(jì)課程設(shè)計(jì)手冊(cè)》 高等教育出版社 主編:吳宗澤,高 志3. 《機(jī)械設(shè)計(jì)課程設(shè)計(jì)指導(dǎo)書》高等教育出版社 主編:龔桂義4. 《材料力學(xué)第二版》 機(jī)械工業(yè)出版社 主編:聶玉琴,孟光偉5. 《互換性與測量技術(shù)基礎(chǔ)》 華中科技大學(xué)出版社 主編:李 軍6. 《機(jī)械原理第二版》 高等教育出版社 主編:謝 晉,萬朝燕7. 《理論力學(xué)》 高等教育出版社 主編:哈工大理論力學(xué)8. 《工程制圖》 高等教育出版社 主編:何明鑫,錢克強(qiáng)9. 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 organisations listed underFurther 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 organisations listed underFurther help. ation about dismissal and unfair dismissal, seeDismissal. You can make a claim to an employment tribunal, even if you haven39。tappealedagainst 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 adamagesbased agreement. In England and Wales, your solicitor can39。t charge you more than 35% of your pensation if you win the case.10. 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 onnearest CAB.11. For more information about making a claim to an employment tribunal, seeEmployment tri