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《机械设计基础》试题库_凸轮机构.doc

1、.新界水泵主要技术参数表序号型号规格额定流量(m3/h)额定扬程(m)额定功率(kW)额定电压(V)效率(V)额定转速(r/min)进出口直径(mm)外形尺寸(mm)必需汽蚀余量(m)备注120SGR0.8-12.5(G)0.812.50.18220252800202602202.0螺纹225SGR1.6-12.5(G)1.612.50.25220332800252402952.0螺纹325SGR2.5-15(G)2.5150.37220342800252803102.0螺纹425SGR3-30(G)3301.1220292800253103852.0螺纹540SGR3.2-20(G)3.22

2、00.552203528002402704002.3螺纹640SGR6-20(G)6200.75220452800402704002.3螺纹740SGR6-206200.75220452800402703952.3法兰850SGR10-1510150.75220592800502703952.5法兰925SGR3-30(G)3301.1380292900253104002.0螺纹1025SGR6.5-306.5301.5380422900252904102.0法兰1132SGR8-308301.5380452900322904202.0法兰1240SGR6-20(G)6200.75380452

3、900402704002.3法兰/螺蚊1340SGR9-309302.2380472900402904402.3法兰1440SGR15-5015504380482900403504852.3法兰1550SGR10-1510150.75380592900502704002.5法兰1650SGR8-228221.5380502900502904252.5法兰1750SGR12-2512251.5380552900502904302.5法兰1850SGR15-3015302.2380562900502904852.5法兰1950SGR17-3017303380582900502904502.5法兰2

4、050SGR16-5016504380502900503504902.5法兰2165SGR30-1530152.2380712900652804602.0法兰2265SGR30-2730274380682900653105102.0法兰2365SGR30-5030507.5380602900653605952.0法兰2465SGR40-4040407.5380662900653605952.0法兰2580SGR35-2035204380712900803105403.5法兰2680SGR50-3050307.5380722900803406003.5法兰27100SGR40-184018438

5、07229001003105404.5法兰、产品概述 SGL(R)型单级单吸式离心泵是公司设计的新一代单级离心泵产品。产品系列流量范围31200m3/h,扬程范围5150m,分基本型、扩流型、A、B、C切割型等近400种规格。可以替代一般场合使用的常规离心泵。二、主要特点1、泵结构紧凑、体积小、外形美观,其立式结构安装占地面积小,其重心重合于泵脚中心,因而增强了泵的运行稳定性和使用寿命。2、进出口径相同并在同一中心线上,安装方便,无需改变管路,可象阀门一样直接安装在管路任何部位。电机外加防雨罩亦可置于户外使用。3、机泵同轴,简化了中间结构,增加了运行的平稳性,叶轮具有极好的动静平衡,运行时振动

6、小、噪音低、延长了轴承的使用寿命,改善了使用环境。4、密封可靠,轴封采用耐磨材质的机械密封,不仅解决了离心泵填料密封的渗漏问题,而且增加了使用寿命。5、维修方便、勿需拆卸管道,只要拆下连接架,取出电机及传动组件即可进行检修维护。6、其独特结构,精心设计,不仅缩小了泵房面积,改善了空间,而且大大节省基建投资三、主要用途1、普通型立、卧式离心泵,供输送清水及物理化学性质类似于清水的其他液体之用,适用于工业和城市给排水、高层建筑增压送水、园林喷灌、消防增压、远距离输送、暖通制冷等冷暖水循环增压及设备配套,使用介质温度T80。2、热水型立、卧式离心泵适用于能源、冶金、化工、纺织、造纸以及宾馆、饭店等锅

7、炉热水增压输送及城市采暖系统循环用泵,使用介质温度T103。四、型号说明五、主要技术参数序号规格型号流量(m3/h)扬程(m)功率(kW)转速(r/min)备注1SGL40-1006.312.50.7529002SGL40-1256.3201.129003SGL40-125A5.6160.7529004SGL40-1606.3322.229005SGL40-160A5.9281.529006SGL40-160B5.5241.129007SGL40-2006.350429008SGL40-200A5.944329009SGL40-200B5.3363290010SGL40-2506.3807.5

8、290011SGL40-250A5.9705.5290012SGL40-250B5.5605.5290013SGL50-10012.512.51.1290014SGL50-100A11100.75290015SGL50-12512.5201.5290016SGL50-125A11161.1290017SGL50-16012.5323290018SGL50-160A11.7282.2290019SGL50-160B10.4221.5290020SGL50-20012.5505.5290021SGL50-200A11.744.54290022SGL50-200B10.6353290023SGL50

9、-25012.58011290024SGL50-250A11.6707.5290025SGL50-250B10.8607.5290026SGL65-1002512.51.5290027SGL65-100A22.3101.1290028SGL65-12525203290029SGL65-125A22.3162.2290030SGL65-16025325.5290031SGL65-160A23.4284290032SGL65-160B21.6243290033SGL65-20025507.5290034SGL65-200A23.5447.5290035SGL65-200B21.8385.52900

10、36SGL65-250258015290037SGL65-250A23.47011290038SGL65-250B21.66011290039SGL80-1005012.53290040SGL80-100A44.7102.2290041SGL80-12550205.5290042SGL80-125A45164290043SGL80-16050327.5290044SGL80-160A46.7287.5290045SGL80-160B43.5245.5290046SGL80-200505015290047SGL80-200A474411290048SGL80-200B43.53811290049

11、SGL80-250508022290050SGL80-250A46.77018.5290051SGL80-250B43.36015290052SGL100-1251002011290053SGL100-125A89167.5290054SGL100-1601003215290055SGL100-160A93.52811290056SGL100-160B86.62411290057SGL100-2001005022290058SGL100-200A93.54418.5290059SGL100-200B8738152900主要技术参数表型号流量(m3/ h)扬程(M)电机功率(KW)重量(KG)1

12、50QJ5-100/145100396150QJ5-150/2151504124150QJ5-200/285205.5155150QJ5-250/3552507.5182150QJ5-300/4253009.2214150QJ10-50/61050368150QJ10-65/81065475150QJ10-78/91078484150QJ10-84/1010845.593150QJ10-91/1110915.597150QJ10-100/12101005.5101150QJ10-128/15101287.5116150QJ10-150/18101507.5129150QJ10-178/2110

13、1789.2145150QJ10-200/241020011175150QJ10-250/351025013208150QJ10-300/421030015230150QJ15-45/61545368150QJ15-60/815605.585150QJ15-75/1015755.593150QJ15-84/1115847.599150QJ15-91/1215907.5103150QJ15-104/14151049.2115150QJ15-114/15151149.2119150QJ15-130/171513011143150QJ15-150/201515013165150QJ15-165/22

14、1516513173150QJ15-180/241518015192150QJ20-26/42026362150QJ20-33/52033366150QJ20-39/62039474150QJ20-46/720465.584150QJ20-52/820525.589150QJ20-59/920595.593150QJ20-65/1020657.5100150QJ20-72/1120727.5105150QJ20-78/1220787.5109150QJ20-85/1320859.2117150QJ20-91/1420919.2121150QJ20-98/1520989.2126150QJ20-

15、104/162010411146150QJ20-111/172011111151150QJ20-117/182011713164150QJ20-124/192012413168150QJ20-130/202013013176150QJ20-137/212013715191150QJ20-143/222014315196150QJ20-150/232015015201150QJ20-156/242015615206150QJ20-163/252016315210150QJ20-176/272017618.5227150QJ20-182/282018218.5232150QJ25-22/32522

16、359150QJ25-30/42530467150QJ25-39/525385.577150QJ25-45/625455.583150QJ25-52/725527.590150QJ25-60/825607.595150QJ25-75/1025759.2109150QJ25-84/11258411129150QJ25-90/12259011135150QJ25-98/13259813148150QJ25-104/142510413153150QJ25-111/152511215168150QJ25-120/162512015174150QJ25-128/172512818.5187150QJ25

17、-135/182513518.5192150QJ25-143/192514318.5197150QJ25-150/202515022210150QJ25-165/222516525228150QJ32-18/33218359150QJ32-24/43224467150QJ32-30/532305.577150QJ32-36/632365.583150QJ32-42/732427.590150QJ32-54/932549.2104150QJ32-66/11326611129150QJ32-72/12327213143150QJ32-84/14328413153150QJ32-90/1532901

18、5168150QJ32-96/16329615174150QJ32-108/183210818.5116150QJ32-120/203212022210150QJ40-20/240205.567150QJ40-30/340307.576150QJ40-40/440409.286150QJ40-50/5405011108150QJ40-60/6406015133150QJ40-70/7407018.5148150QJ40-80/8408018.5155150QJ40-90/9409022169150QJ40-100/104010025185150QJ50-17/250175.567150QJ50

19、-25/350257.576.Part 1 Listening (第一部分 听力)I.Listening comprehension (听力理解) (共30分)A.Listen and choose the right picture (根据你听到的内容,选出相应的图片) (6分) B.Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案) (8分)7. A) In the office. B) In the library. C) At home. D)

20、 In the factory.8. A) Six. B) Seven. C) Five. D) Eight.9. A) No, he doesnt. B) Yes, he does. C) He enjoys singing. D) He prefers singing to dancing.10. A) He will water those flowers. B) He doesnt worry about it. C) He has watered chose flowers. D) Hes going to do that later.11. A) Get a trolley. B)

21、 Find a basket. C) Drive a car. D) Make shopping lists.12. A) The teacher is kind and teaches well. B) She is kind so her students like to listen to her. C) She is loved because she teaches well. D) She is not hated by her students.13. A) He was afraid to be late for the film. B) He hurried off to c

22、atch the train. C) He got up late this morning. D) He hurried off to catch the plane.14. A) She wants to buy a nice present for her mother. B) She wants to help her mother with the party. C) She wants to do some shopping with her aunt. D) She wants to help her mother do the cooking.C. Listen to the

23、passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容, 符合的用“T”表示,不符合的用“F”表示) (6分)15. The song Alfred read was written by himself.16. When Alfreds friends heard the song, all of them thought the music was wonderful.17. In fact, Charles was making fun of Alfred,18. Fr

24、om this story, we know that Alfred was a real musician.19. Alfred was angry and asked for an apology, so Charles said sorry to him.20. It was wrong of Alfred to copy other peoples song.D. Listen to the passage and complete the following sentences (听短文,完成下列内容。每空格限填一词) (10分)21. Tina has got a new _ _

25、in a bookstore.22. She works as a_ clerk, helping _ find the books they want.23. The bookstore_ Tina is working is _ Book World.24. Its on the _ of Park Street and George Street in the city_.25. Adam is going to_ some books this_ at Book World.Part 2 Phonetics, Grammar and Vocabulary(第二部分 语音、语法和词汇).

26、 Choose the best answer (选择最恰当的答案) (共20分) 26. Who knows the answer to the question? the teacher asked. Which of the following is correct for the underlined word?A) / B) /n/ C) /i/ D) / /27. Which of the following word matches the sound /daun/? A) flown B) brown C) town D) down28. We often make our v

27、oice_ at the end of a sentence_ surprise.A) to rise . show B) rise . to show C) to fall . to show D) fall . show29. When shall we meet again, this afternoon or tonight? I dont mind. _time is OK.A) Either B) Every C) Neither D) Both30. Canadians speak _and_ as their official language.A) Italian . Jap

28、anese B) English . Chinese C) German . Russian D) English . French31. The old man lives _, but he doesnt feel_.A) alone . alone B) alone . lonely C) lonely . alone D) lonely . lonely32. By the end of last year, Sue _ Australia more than rive Limes.A) visits B) visited C) has visited D) had visked33.

29、 In 1945, the worlds first computer _ in America.A) is made B) was made C) made D) makes34. Mr. Smith has_ been to the Great Wall twice. Now he is looking forward to visiting it a third time.A) never B) already C) usually D) always35. There is_ in todays Shanghai Daily.A) interesting something B) in

30、teresting anythingC) something interesting D) anything interesting36. _ great fun it is to fly a kite in the Peoples Square!A) How B) What C) What a D) So37. Well have_ holiday next month. Will you go home? No. Because if I go home, Ill have to take _ride.A) a one-week . seven days B) a one-week . s

31、even daysC) a one-week . a seven days D) one weeks . a seven days38. Because of the rain, the sports meeting was put _ for a few days.A) out B) off C) up D) away39. The streets are wet because it has rained_ all night.A) hardly B) thickly C) strongly D) heavily40. My hair is too long. Im going to ha

32、ve it_. A) cutting B) cut C) cuts D) to cut41. The room is very dark, I cant_ anything clearly without a tight.A) watch B) look C) see D) notice42. Its_ to read the map before you travel to a new place.A) helpful B) harmful C) powerful D) awful43. _ John failed to climb to the top of the mountain se

33、veral times, he didnt give up.A) Although B) Because C) Whether D) Unless44. Keep an English diary, _ your English will improve.A) or B) since C) when D) and45. Could you please tell us _ in Milan? A) when will you visit the World Expo B) when you will visit the World ExpoC) when the World Expo will

34、 you visit D) when the World Expo you will visit.Complete the following passage with the words or phrases in the box. Each can only be used once (将下列单词或词组填入空格。每空格限填一词,每词只能填一次) (共8分)A) used B) mistake C) abroad D) looking for E) soWhen I was 16 years old, I made my first visit to the United States. I

35、t wasnt the first time I had been _46_. Like most children, I learnt French at school and I had often been to France, _47_ I often spoke a foreign language to people who didnt understand English. But when I went to America, I was really looking forward to having a nice easy holiday without any langu

36、age problem.It turned out that I made a_48_ . The misunderstanding began at the airport. I was_49_ a public telephone to give my friend Danny a ring and tell him that I had arrived. A friendly old man saw me looking like being lost and asked if he could help me. A) downstairs B) young C) funny D) co

37、rrectly E) differently Yes, I said. I want to give my friend a ring. Well, thats nice, he explained. Are you getting married? But arent you too_50_Who is talking about marriage I replied. I just want to give my friend a ring to tell him Ive arrived. Can you tell me where theres a phone box? Oh! he said, Theres a phone _51_. When at last we did meet up, Danny explained the misund

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