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    瞧这网 » 点子频道 » 点子学堂 » 正文

    小 发 明 100 例

    动动脑吧 - 点子学堂 - 点子资讯 - 创意发明 - 创业点子 - 赚钱点子 - 合伙创业

    小 发 明 100 例
    要善于联想——联想法
    "运重物上楼十分吃力,我看到小狗上楼梯的动作,受到启发,设计了一个可以运重物上楼的小车."
    这段话是少年朋友董建川发明"爬楼梯车"的思路.这种思路有一个突出的特征:"联想".狗和车本来毫不相干,怎么会产生联想呢 关键在于
    "爬楼梯"这三个字.狗能爬楼梯,车能不能爬呢 狗爬楼梯的动作,能不能用作车上楼梯的参考呢 这些联想,推动着董建川去深入研究.
    联想的范围是极为广泛的,本章介绍的小发明可以说明这点.
    "自动抽水的塞",就是一种联想的产物.用虹吸管给金鱼缸换水,这是大家都知道的,可是用嘴含住换水管吸水不好,怎么改进呢 这时,就用
    得着联想,吸水就是抽水,哪些东西能抽水呢 注射器,玩具小水枪,不是有一个抽水过程吗 小水枪里的关键是那个塞子,在虹吸管里加个塞不是很好吗 于是,"自动抽水的塞"就发明了出来.
    联想给我们启发,为我们打开思路.思路打开以后,还要对有关的基础知识和原理作深入的学习和理解,然后提出一个新的设计和发明.让我们注意培养自己的联想能力罢!
    爬楼梯车
    搬运重物上楼十分吃力,我看到小狗上楼梯的动作,受到启发,设计了可以运重物上楼梯的小车.
    运重物上楼时,先把小车前轮推近楼梯,压下扶手,前轮悬空,被橡筋拉起,再推小车,使前轮搭在上面的楼梯上;再提起扶手,后轮悬空,后轮
    被橡筋拉起,稍向前推,使后轮搭在上一级楼梯上……这样一级一级地爬,小车就爬上楼去了.
    北京铁六中 董建川(15岁)
    让猫狗怕小鸡
    我们队里有几户人家养了猫和狗.它们一看见小鸡就抓来吃.1981年有一户买了三百多只小鸡,不到二十天,全都被狗和猫吃掉了.我家也有小鸡,还养了猫和狗.猫和狗不吃小鸡,还有点怕它们.这是为什么呢
    最初,妈妈买了小鸡,也不敢放在地上,而是装在篮子里,吊在高处的钩子上.我上学的时候,看到一群蜜蜂,就想:人比蜜蜂大,却怕蜜蜂,就
    是因为怕挨蛰.我们不会想个法子来吓一下狗和猫,让它们怕小鸡吗!
    我右手抓起一只小鸡,让鸡头从虎口伸出来,拇指和食指捏着一根针,针尖比鸡的嘴长一点点.然后把猫狗抓来,用藏在鸡头下的针去扎猫和狗的嘴和鼻子,扎上十几次,连续扎了三四天.哈!真有效!猫和狗看到小鸡就怕,不但不敢扑小鸡,还给小鸡让路.猫和狗在吃食的时候,小鸡去抢着吃,猫和狗一见小鸡来到碗前,就躲开了.
    江苏省东台县城东公社新北大队小学四年级 臧荣华
    自动抽水的塞
    养金鱼的同学也许有体会,在利用虹吸管的原理给鱼缸换水的时候,为了赶走管里的空气,不是先往换水管注满水,就是用嘴含住换水管的一端吸.这样既不卫生又不方便.找一只与换水管(一般都是橡皮管)内径差不多大小的胶塞子.穿过胶
    塞中心系一根结实的线,线

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