【正文】 ? ?0Fx 4 10100FN?? 02 ??M ? ?2 1 0 1 0 0 2 0 2 0 0 9 6 .5 0M Y Y? ? ? ? 2 1 0 1 0 0 2 0 2 0 0 1 9 4 9 3 0 0 0M Y Y? ? ? ? ∵在 1F 和 4F 之間任取一段。求出當(dāng)量動載荷 P 。 X=1,Y=0， 1 10100 0 10100P x Fr Y Fa N? ? ? ? ? ?。 8 0 0 0 9 9 0 3 9 . 1 7 4 21 1 0C d N?? ??? ? ????? (2) 選擇型號 查表選 60206型軸承其 39。 五、 液壓堆高車 外型結(jié)構(gòu)設(shè)計 （一）后輪的設(shè)計 為了保證 手動液壓堆高車 在運 輸及起重物的過程中的穩(wěn)定性 ,應(yīng)具有四個支持點 ,堆高車重心的投影點不論在工作位置或運輸位置 ,都不應(yīng)超出四點所形成的四邊形 ,要使轉(zhuǎn)彎時堆高車的轉(zhuǎn)動方便、靈活 ,在轉(zhuǎn)彎時必須要求各個輪子有一個共同瞬時的回轉(zhuǎn)中心 ,所設(shè)計的兩后輪軸應(yīng)在同一軸線上 ,所以選用插頭式腳輪 。 （ 3）軸承的選擇 由于該軸軸承主要承受軸向載荷 ,其極限轉(zhuǎn)速低 ,所以選用推力軸 承。 軸 2直徑為 35 mm,長度為 22 mm。 故軸承型號選擇軸承 ；查表得：其內(nèi)徑為 20mm,外徑為 47 mm，寬度為 47 mm。內(nèi)六角圓柱頭螺釘?shù)倪x用 ，采用標(biāo)準(zhǔn) DIN912，洛氏硬度： HRC39HRC44。從剛開始自己的茫然無措，到通過老師的指導(dǎo)漸入佳鏡，直到最后設(shè)計的完成，這中間的每一步都充滿了興奮與挑戰(zhàn)，在設(shè)計的過 程中我不僅學(xué)到了技術(shù)上的新內(nèi)容 ,鞏固了自己的專業(yè)知識 ,還增強了與人合作的意識及能力，對于即將步入社會的我來說這是一次很好的鍛煉機會 ,同時也為我以后的工作打下了基礎(chǔ)。雖然此次畢業(yè)設(shè)計已告一段落，但對于我所設(shè)計的手動液壓堆高車來說還有許多可以改進(jìn)的地方，通過對已設(shè)計出來的堆高車的實際應(yīng)用，還可以對以下幾點進(jìn)行改進(jìn)： ，在貨叉架工作的場合下，液壓系統(tǒng)的供給壓力不足，對已設(shè)計的液壓回路的分析，可以用一個液壓系統(tǒng)兩個液壓回路，把控制貨叉架的 液壓回路分開，分別供給，使兩者一起工作時，也能達(dá)到所要求的載重量。 12 液壓傳動，章宏甲主編。如今，伴隨著這篇畢業(yè)論文的最終成稿，復(fù)雜 的心情煙消云散，自己甚至還有一點成就感。在此，再次向袁寧老師獻(xiàn)上我誠摯的謝意。s annual National Day for Eye Care, the China Youth Development ServiceCenter and Zhejiang Medicine, a leading listed Chinese pharmaceutical pany, jointlyannounced the kickoff of the about one month, a questionnaire piled by top eye care medical experts in China willbe distributed through multiple online partners, including m, as well asthrough offline survey events held in universities, middle schools and primary schools acrossthe report will be released based on the survey statistics and analysis, and most importantly,guidelines for parents and youth on how to care for the eyes and prevent myopia — agrowing problem in China39。s smoggy days. If the smog is severe, I39。s Pink Revolution, an annual campaign that seeks to raise awareness and funds for breast cancer research, the hotel recently announced. A major sponsor of the campaign for three years in a row, Conrad Macao has pledged to donate a portion of its proceeds to the fund, includ ing those collected from selling its popular bear and rubber duck merchandise, in limited pink editions. Pink is the theme for floral arrangements and decorations in the hotel in October. In addition, on Fridays that month, members of the management and staff will add something pink to their uniforms, regular s and handwritten guest cards. Breast cancer is the most prevalent type of cancer among women in Hong Kong and is also of significant concern in Macao and around the world, regardless of age, general manager Bede Barry said in a statement. The hotel has enlisted the support of a number of international and local celebrities to help drive the cause, including South Korean actor Jung Suk Won. This year, a lucky guest who stays at the hotel during the campaign and also donates money for the cause will win a necklace specially designed by Arte Madrid, a Spanish jewelry brand. Women should strive to balance quality of work and life, and have children at a young age. As a doctor I see much suffering because of this imbalance. Xiao Ying, 36, works for a large law firm. Her job means lots of travel, a heavy caseload and a large number of meetings, so her schedule is hectic. She has been pregnant twice, but had abortions on both occasions because she felt her busy, highpressure career wasn39。s ancient tradition. ... It is not about exercise but to discover the sense of oneness with yourself, the world and nature.Zarthoshtimanesh, who runs his own yoga center, Iyengar Yogabhyasa, in the Indian financial capital of Mumbai, says: Chinese students are very respectful. For me, all students are the same no matter what their race is and where they e from. The most important thing is to remove mental walls. Zarthoshtimanesh learned yoga from the late Yogacharya Iyengar and traveled with the master to different countries. Consulate General of India in southern China39。s ovarian function has declined and a bilateral oviduct blockage has occurred, meaning that in vitro fertilization is her only option. So, after reducing her workload, Xiao underwent IVF treatment. Luckily, she got pregnant after just one treatment cycle, but later experienced vaginal bleeding, and rushed to the hospital. I told her to rest and carry on with the treatment (to prevent a miscarriage). As Zubin Zarthoshtimanesh, a yoga guru, demonstrated postures at a high school stadium in Dujiangyan city, Sichuan province, some 200 students sat on colorful mats watching him closely. It was part of the first IndiaChina international yoga festival in the provincial capital, Chengdu, in Southwest China, where more than 1,000 fans from home and abroad gathered for lessons from 20 leading practitioners of the ancient Indian regimen, from June 1721. Yoga is to India what 學(xué)士學(xué)位論文 41 perhaps tai chi is to China. Many countries other than India and China, also held the first World Yoga Day on June 21, after the United Nations last year agreed to Indian Prime Minister Narendra Modi39。ll wear a mask, or just ignore the smog and go on jogging, she said. For those who are not so athletic, jogging also has its attractions. Wu Houbin started roughly two years ago, when he was severely obese. Within two months, his weight dropped from 82 kilograms to 64 kilograms. The success helped him recover health, and he has made friends. Jogging does not require speed, but stamina. If you want to stick to the game, you need to take it as a mission, a habit, and then eventually a hobby, Wu said. But persevering with jogging is not always easy. Jogging is beneficial for heartlung function, and the skeletal system, but doctors say improper technique damages the joints, especially the knees and ankles. Excessive jogging wears down the body, and harms one39。s behaviors to care for eyes, basedon the timely and factual statistics the survey series of followup