微空实验室

此专栏为探空火箭爱好者火箭创客交流在专栏中共享资料、研究成果会在专栏中开源相关制作项目（如火箭航电、推力采集卡等）

投稿

订阅

订阅数

获赞数

6

阅读数

2.6万

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试车台的搭建

华夏青年2023/08/18 16:03:32微空实验室

关键词

试车台推力采集

试车台是发动机测试、采集发动机工作数据必不可少的器材，这里我给各位介绍我试车台的制作过程

①我主体框架使用4040的欧标铝型材（款式如下图），共用到

40cm*2根

20cm*6根

8cm *1根（若使用悬臂式传感器可不用）

由于考虑到便捷性，我试车台尺寸设计为比较小

使用角码固定连接，共使用了 20 个角码，组装方法如下图

为了使龙门架更为稳定，我选择在两侧加上钢丝绳作为辅助固定，保试车台的牢固及可靠性（固定钢丝绳我使用m6铅封螺丝）

②整体框架搭建完之后，发动机固定平台，我采用的是一块40cm*28cm厚度为1mm的不锈钢洞洞板（孔径为8mm）

采用铝型材配套的滑块螺母和M8内六角螺丝固定在主体框架上，由于上面具有较多孔洞可以方便将发动机固定在不同的位置以便适应不同的发动机

③发动机固定部分∶我采用适配发动机外径的工程塑料管夹款式如下图

使用这个的原因：发动机各不相同，不同的发动机需要使用不同的固定件和这款管夹价格低廉，更换成本费用，相比金属的主轴固定支架会更为廉价

④推力采集部分：我使用S形传感器，所以需添加一根80毫米的铝型材

采集卡为KCSA出品的DTM推力采集卡

传感器固定使用M8转M12的螺丝，M8滑块是传感器固定在试车台上（见下图）

采集卡为KCSA出品的DTM推力采集卡为方便固定采集卡采用3d打印制作一个采集卡外壳

⑤到此大体基本完工，考虑到便携性，我在试车台的尾部加上一个铝合金提手（采用M6螺丝和滑块固定）方便提着试车台到指定地点

最后尝试一下整体样貌

感谢阅读，同时也恳请各位指出我的不足之处相互学习

[修改于 1 年前 - 2023/08/18 16:03:32]

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暮羽要摸鱼

百炼成钢

1年4个月前 IP:广东

924263

1楼

简单便宜可靠

实习会员

1年4个月前 IP:江苏

924750

2楼

建议到试车地方再打几个膨胀螺丝，或地钉，飞起来可不是开玩笑的，建议找个有水泥墙角的地方试车，这样好打。

实习会员

1年1个月前 IP:陕西

926728

3楼

你好，可以请问一下您的那个推力采集卡是在哪里购买的吗

万流景仰

1年1个月前 IP:江苏

926729

4楼

引用LYM310发表于3楼的内容

你好，可以请问一下您的那个推力采集卡是在哪里购买的吗

那个很久以前就停产了

实习会员

1年1个月前 IP:陕西

926740

5楼

引用大仙发表于4楼的内容

那个很久以前就停产了

那推力采集卡有什么可替代方案或者其他型号卖吗

浪迹天涯

11个月27天前 IP:广东

927923

6楼

引用大仙发表于4楼的内容

那个很久以前就停产了

请问现在还有其他推力采集卡卖吗？方便给个链接吗？或者替代品也行

一表人才

作者

11个月26天前 IP:中国

927943

7楼

引用FAEA发表于6楼的内容

请问现在还有其他推力采集卡卖吗？方便给个链接吗？或者替代品也行

氢离子有

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