CN111592723A - 一种防冻裂硬质落水管及其加工工艺 - Google Patents

一种防冻裂硬质落水管及其加工工艺 Download PDF

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CN111592723A
CN111592723A CN202010430806.XA CN202010430806A CN111592723A CN 111592723 A CN111592723 A CN 111592723A CN 202010430806 A CN202010430806 A CN 202010430806A CN 111592723 A CN111592723 A CN 111592723A
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申建
王多文
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Anhui Yingbiao New Materials Technology Co ltd
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Abstract

本发明公开了一种防冻裂硬质落水管及其加工工艺，包括内管道层和外覆合涂料；且内管道层的各原料按重量份为90份的PVC树脂、25份的PVDF树脂、5份的亚磷酸三苯酯、5份的乙烯基三过氧化叔丁基硅烷、2份的氧化锌纳米颗粒、2份的氮化铝纳米颗粒和2份的银纳米线组成；本发明是将外覆合涂料均匀的附着于内管道层，并依据两部分的不同功能来制成防冻裂硬质落水管，使其具备优异的耐低温、抗老化和高强度的特性；且还将外覆合涂料均匀的覆合于内管道层上，并针对尺寸、长度和大小各异的内管道层均能够随意的调整装夹间距，来符合涂覆要求，以免内管道层偏移、倾歪的情况出现，来提升其涂覆的均匀性和整体管道的加工质量。

Description

一种防冻裂硬质落水管及其加工工艺
技术领域
本发明涉及落水管技术领域，具体为一种防冻裂硬质落水管及其加工工艺。
背景技术
落水管主要用于收集屋面的雨水，并将其集中引流至地面下铺设的雨水管内；落水管按材质可分为金属管材、塑料管材和复合管材等类别。
且现有的落水管及其加工工艺，难以将外部涂料均匀的覆合于落水管上，并针对尺寸、长度和大小各异的落水管均能够随意的调整装夹间距，来符合涂覆要求，以免落水管偏移、倾歪的情况出现，来提升其外部涂料的均匀性和落水管的加工质量；
针对以上问题，现提供所述解决方案。
发明内容
本发明的目的在于提供一种防冻裂硬质落水管及其加工工艺，本发明是将外覆合涂料均匀的附着于内管道层，并依据两部分的不同功能来制成防冻裂硬质落水管，使其具备优异的耐低温、抗老化和高强度的特性，以迎合不同的使用环境需求；且PVDF树脂、氯丁橡胶可提升其整体强度，且粒径各异的氧化锌纳米颗粒、氮化铝纳米颗粒和碳化硅纳米颗粒相配合，可提升其抗老化能力，且长度各异的玻璃纤维和银纳米线相配合，可提升其力学性能，且癸二酸二辛酯的加入，可提升其耐低温能力；且还将外覆合涂料均匀的覆合于内管道层上，并针对尺寸、长度和大小各异的内管道层均能够随意的调整装夹间距，来符合涂覆要求，以免内管道层偏移、倾歪的情况出现，来提升其涂覆的均匀性和整体管道的加工质量。
本发明所要解决的技术问题如下：
如何依据一种有效的方式，来解决现有的落水管及其加工工艺，难以将外部涂料均匀的覆合于落水管上，并针对尺寸、长度和大小各异的落水管均能够随意的调整装夹间距，来符合涂覆要求，以免落水管偏移、倾歪的情况出现，来提升其外部涂料的均匀性和落水管的加工质量的问题。
本发明的目的可以通过以下技术方案实现：
一种防冻裂硬质落水管，包括内管道层和外覆合涂料；
且内管道层的各原料按重量份为80-100份的PVC树脂、20-30份的PVDF树脂、3-7份的亚磷酸三苯酯、3-7份的乙烯基三过氧化叔丁基硅烷、1-3份的氧化锌纳米颗粒、1-3份的氮化铝纳米颗粒和1-3份的银纳米线组成；
其中，氧化锌纳米颗粒的粒径为200-400纳米、氮化铝纳米颗粒的粒径为400-600纳米、银纳米线的长度为900-1400纳米；
且外覆合涂料的各原料按重量份为60-80份的PVC树脂、30-40份的邻苯二甲酸二辛酯、10-20份的氯丁橡胶、3-7份的癸二酸二辛酯、3-7份的玻璃纤维和3-7份的碳化硅纳米颗粒组成；
其中，玻璃纤维的长度为6-8微米、碳化硅纳米颗粒的粒径为800-900纳米。
一种防冻裂硬质落水管的加工工艺，包括如下步骤：
步骤一：先将PVC树脂、PVDF树脂、亚磷酸三苯酯、乙烯基三过氧化叔丁基硅烷、氧化锌纳米颗粒、氮化铝纳米颗粒和银纳米线一同导入至反应釜，置于75度、180转/分钟下，均混搅拌45分钟后，再将其导入至双螺杆挤出机，置于螺杆转速为150转/分钟、平均加热温度为150度下，经挤出成型、冷却定型和转运切割后，得到内管道层；
步骤二：将PVC树脂、邻苯二甲酸二辛酯、氯丁橡胶、癸二酸二辛酯、玻璃纤维和碳化硅纳米颗粒一同导入至搅拌罐，置于175度、360转/分钟下，均混搅拌30分钟，经静置、保温后，得到外覆合涂料；
步骤三：先将内管道层置于覆合均涂设备内的半圆槽，旋转旋钮带动螺纹杆转动，螺纹杆带动两个螺纹套筒同步的相向移动，两个螺纹套筒带动两个滑块同步的相向移动，两个滑块带动两个限位板同步的相向移动，直至两个限位板与内管道层的端部相接触，此时旋紧两个螺母，来将螺纹杆的转动位置固定；
再开启电动推杆带动橡胶罩向下移动，橡胶罩带动位于其内部的吸潮海绵套向下移动，直至吸潮海绵套与内管道层相贴紧，此时将外覆合涂料导入至储料箱，开启电磁阀来将储料箱内的外覆合涂料，经两个导料管分别滴入至吸潮海绵套的外部和内管道层的外部，同时开启电机带动转轴转动，转轴经伸缩弹簧的伸缩弹力作用来带动固定套筒呈凸轮状离心转动，固定套筒带动吸潮海绵套呈凸轮状离心转动，且依据吸潮海绵套与内管道层相贴紧，则吸潮海绵套带动附着有外覆合涂料的内管道层相紧密转动，而由吸潮海绵套飞溅至橡胶罩内侧的过量的外覆合涂料，沿着橡胶罩的弧形结构，将其引导至斜块处来统一收集；
最后关闭电磁阀和电机，以及将电动推杆回至原位置处，经定型、烘干后，得到防冻裂硬质落水管。
进一步的，所述覆合均涂设备由底座、螺纹套筒、矩形口、限位板、滚珠、半圆槽、斜块、橡胶罩、支撑架、储料箱、电动推杆、电磁阀、导料管、转轴、固定套筒、伸缩弹簧、吸潮海绵套、滑块、螺纹杆、电机、限位块、螺母和旋钮组成；
所述底座的顶部中心处开设有半圆槽，所述半圆槽的底部内壁中心处开设有矩形口，所述矩形口的内部对应安装有两个滑块，且两个滑块的顶部均通过螺栓固定有限位板，所述限位板的外侧处和半圆槽的内壁处均嵌入有滚珠，且两个滑块的底部均通过螺栓固定有螺纹套筒，所述螺纹杆穿过两个螺纹套筒和底座的两侧，且其两端分别通过点焊固定有限位块和旋钮，所述螺纹杆的外部套接有两个螺母，且两个螺母分别位于底座与限位块间和底座与旋钮间；
所述底座的顶部通过螺栓固定有支撑架，所述支撑架的顶部中心处通过螺栓固定有储料箱，所述支撑架的一侧中心处通过螺栓固定有电动推杆，所述电动推杆的底部通过螺栓固定有橡胶罩，且橡胶罩与储料箱之间设置有两个导料管，且两个导料管的一侧均安装有电磁阀，所述橡胶罩的内侧均匀嵌入有斜块；
所述橡胶罩的外侧通过螺栓固定有电机，所述电机的一侧通过联轴器活动连接有转轴，所述转轴穿过橡胶罩的一侧，且转轴的一端与其另一侧相接触，所述转轴的外部套接有固定套筒，且固定套筒与转轴之间均匀设置有伸缩弹簧，所述固定套筒的外侧通过粘接固定有吸潮海绵套，且吸潮海绵套与半圆槽互为配合结构，所述电动推杆、电磁阀和电机均与外部电源相电性连接。
进一步的，所述螺纹杆与两个螺纹套筒之间均通过螺纹活动连接，且两个螺纹套筒的内螺纹旋向相反，所述螺纹杆与底座的两侧之间均通过轴承活动连接。
进一步的，所述吸潮海绵套与一个导料管的出料处互为对应设置，所述半圆槽与另一个导料管的出料处互为对应设置，所述橡胶罩内侧的斜块呈对称分布，且其与水平面间的所夹锐角呈三十度。
进一步的，所述转轴与橡胶罩的两侧之间均通过轴承活动连接，所述伸缩弹簧与转轴和固定套筒之间均通过点焊固定。
本发明的有益效果：
本发明是将外覆合涂料均匀的附着于内管道层，并依据两部分的不同功能来制成防冻裂硬质落水管，使其具备优异的耐低温、抗老化和高强度的特性，以迎合不同的使用环境需求；且PVDF树脂、氯丁橡胶可提升其整体强度，且粒径各异的氧化锌纳米颗粒、氮化铝纳米颗粒和碳化硅纳米颗粒相配合，可提升其抗老化能力，且长度各异的玻璃纤维和银纳米线相配合，可提升其力学性能，且癸二酸二辛酯的加入，可提升其耐低温能力；
且本发明是将内管道层置于覆合均涂设备内的半圆槽，并依据螺纹杆带动两个螺纹套筒同步的相向移动，经螺纹套筒、滑块来带动两个限位板同步的相向移动，直至两个限位板与内管道层的端部相接触，此时旋紧两个螺母，来将螺纹杆的转动位置固定；
再通过电动推杆带动橡胶罩向下移动，橡胶罩带动位于其内部的吸潮海绵套向下移动，直至吸潮海绵套与内管道层相贴紧，此时开启电磁阀来将导入至储料箱内的外覆合涂料，经两个导料管分别滴入至吸潮海绵套的外部和内管道层的外部，并开启电机带动转轴转动，转轴经伸缩弹簧的伸缩弹力作用来带动固定套筒呈凸轮状离心转动，固定套筒带动吸潮海绵套呈凸轮状离心转动，且依据吸潮海绵套与内管道层相贴紧，则吸潮海绵套带动附着有外覆合涂料的内管道层相紧密转动，而由吸潮海绵套飞溅至橡胶罩内侧的过量的外覆合涂料，沿着橡胶罩的弧形结构，将其引导至斜块处来统一收集，以使外覆合涂料均匀的覆合于内管道层上，并针对尺寸、长度和大小各异的内管道层均能够随意的调整装夹间距，来符合涂覆要求，以免内管道层偏移、倾歪的情况出现，来提升其涂覆的均匀性和整体管道的加工质量。
附图说明
为了便于本领域技术人员理解，下面结合附图对本发明作进一步的说明；
图1为本发明的覆合均涂设备的整体正视剖面图；
图2为本发明的转轴与电机的连接结构示意图；
图3为本发明的螺纹套筒与螺纹杆的连接结构示意图。
具体实施方式
下面将结合实施例对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
如图1-3所示，本发明提供一种技术方案：
实施例1：
一种防冻裂硬质落水管，包括内管道层和外覆合涂料；
且内管道层的各原料按重量份为90份的PVC树脂、25份的PVDF树脂、5份的亚磷酸三苯酯、5份的乙烯基三过氧化叔丁基硅烷、2份的氧化锌纳米颗粒、2份的氮化铝纳米颗粒和2份的银纳米线组成；
其中，氧化锌纳米颗粒的粒径为300纳米、氮化铝纳米颗粒的粒径为500纳米、银纳米线的长度为1150纳米；
且外覆合涂料的各原料按重量份为70份的PVC树脂、35份的邻苯二甲酸二辛酯、15份的氯丁橡胶、5份的癸二酸二辛酯、5份的玻璃纤维和5份的碳化硅纳米颗粒组成；
其中，玻璃纤维的长度为7微米、碳化硅纳米颗粒的粒径为850纳米。
一种防冻裂硬质落水管的加工工艺，包括如下步骤：
步骤一：先将重量份为90份的PVC树脂、25份的PVDF树脂、5份的亚磷酸三苯酯、5份的乙烯基三过氧化叔丁基硅烷、2份的氧化锌纳米颗粒、2份的氮化铝纳米颗粒和2份的银纳米线一同导入至反应釜，置于75度、180转/分钟下，均混搅拌45分钟后，再将其导入至双螺杆挤出机，置于螺杆转速为150转/分钟、平均加热温度为150度下，经挤出成型、冷却定型和转运切割后，得到内管道层；
步骤二：将重量份为70份的PVC树脂、35份的邻苯二甲酸二辛酯、15份的氯丁橡胶、5份的癸二酸二辛酯、5份的玻璃纤维和5份的碳化硅纳米颗粒一同导入至搅拌罐，置于175度、360转/分钟下，均混搅拌30分钟，经静置、保温后，得到外覆合涂料；
步骤三：先将内管道层置于覆合均涂设备内的半圆槽6，旋转旋钮23带动螺纹杆19转动，螺纹杆19带动两个螺纹套筒2同步的相向移动，两个螺纹套筒2带动两个滑块18同步的相向移动，两个滑块18带动两个限位板4同步的相向移动，直至两个限位板4与内管道层的端部相接触，此时旋紧两个螺母22，来将螺纹杆19的转动位置固定；
再开启电动推杆11带动橡胶罩8向下移动，橡胶罩8带动位于其内部的吸潮海绵套17向下移动，直至吸潮海绵套17与内管道层相贴紧，此时将外覆合涂料导入至储料箱10，开启电磁阀12来将储料箱10内的外覆合涂料，经两个导料管13分别滴入至吸潮海绵套17的外部和内管道层的外部，同时开启电机20带动转轴14转动，转轴14经伸缩弹簧16的伸缩弹力作用来带动固定套筒15呈凸轮状离心转动，固定套筒15带动吸潮海绵套17呈凸轮状离心转动，且依据吸潮海绵套17与内管道层相贴紧，则吸潮海绵套17带动附着有外覆合涂料的内管道层相紧密转动，而由吸潮海绵套17飞溅至橡胶罩8内侧的过量的外覆合涂料，沿着橡胶罩8的弧形结构，将其引导至斜块7处来统一收集；
最后关闭电磁阀12和电机20，以及将电动推杆11回至原位置处，经定型、烘干后，得到防冻裂硬质落水管；
其中，覆合均涂设备由底座1、螺纹套筒2、矩形口3、限位板4、滚珠5、半圆槽6、斜块7、橡胶罩8、支撑架9、储料箱10、电动推杆11、电磁阀12、导料管13、转轴14、固定套筒15、伸缩弹簧16、吸潮海绵套17、滑块18、螺纹杆19、电机20、限位块21、螺母22和旋钮23组成；
底座1的顶部中心处开设有半圆槽6，半圆槽6的底部内壁中心处开设有矩形口3，矩形口3的内部对应安装有两个滑块18，且两个滑块18的顶部均通过螺栓固定有限位板4，限位板4的外侧处和半圆槽6的内壁处均嵌入有滚珠5，且两个滑块18的底部均通过螺栓固定有螺纹套筒2，螺纹杆19穿过两个螺纹套筒2和底座1的两侧，螺纹杆19与两个螺纹套筒2之间均通过螺纹活动连接，且两个螺纹套筒2的内螺纹旋向相反，螺纹杆19与底座1的两侧之间均通过轴承活动连接，且其两端分别通过点焊固定有限位块21和旋钮23，螺纹杆19的外部套接有两个螺母22，且两个螺母22分别位于底座1与限位块21间和底座1与旋钮23间；
底座1的顶部通过螺栓固定有支撑架9，支撑架9的顶部中心处通过螺栓固定有储料箱10，支撑架9的一侧中心处通过螺栓固定有电动推杆11，电动推杆11的底部通过螺栓固定有橡胶罩8，且橡胶罩8与储料箱10之间设置有两个导料管13，且两个导料管13的一侧均安装有电磁阀12，橡胶罩8的内侧均匀嵌入有斜块7，吸潮海绵套17与一个导料管13的出料处互为对应设置，半圆槽6与另一个导料管13的出料处互为对应设置，橡胶罩8内侧的斜块7呈对称分布，且其与水平面间的所夹锐角呈三十度；
橡胶罩8的外侧通过螺栓固定有电机20，电机20的一侧通过联轴器活动连接有转轴14，转轴14穿过橡胶罩8的一侧，且转轴14的一端与其另一侧相接触，转轴14的外部套接有固定套筒15，且固定套筒15与转轴14之间均匀设置有伸缩弹簧16，转轴14与橡胶罩8的两侧之间均通过轴承活动连接，伸缩弹簧16与转轴14和固定套筒15之间均通过点焊固定，固定套筒15的外侧通过粘接固定有吸潮海绵套17，且吸潮海绵套17与半圆槽6互为配合结构，电动推杆11、电磁阀12和电机20均与外部电源相电性连接。
本发明是将外覆合涂料均匀的附着于内管道层，并依据两部分的不同功能来制成防冻裂硬质落水管，使其具备优异的耐低温、抗老化和高强度的特性，以迎合不同的使用环境需求；且PVDF树脂、氯丁橡胶可提升其整体强度，且粒径各异的氧化锌纳米颗粒、氮化铝纳米颗粒和碳化硅纳米颗粒相配合，可提升其抗老化能力，且长度各异的玻璃纤维和银纳米线相配合，可提升其力学性能，且癸二酸二辛酯的加入，可提升其耐低温能力；且还将外覆合涂料均匀的覆合于内管道层上，并针对尺寸、长度和大小各异的内管道层均能够随意的调整装夹间距，来符合涂覆要求，以免内管道层偏移、倾歪的情况出现，来提升其涂覆的均匀性和整体管道的加工质量。
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节，也不限制该发明仅为的具体实施方式。显然，根据本说明书的内容，可作很多的修改和变化。本说明书选取并具体描述这些实施例，是为了更好地解释本发明的原理和实际应用，从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。

Claims (6)

1.一种防冻裂硬质落水管，其特征在于，包括内管道层和外覆合涂料；
且内管道层的各原料按重量份为80-100份的PVC树脂、20-30份的PVDF树脂、3-7份的亚磷酸三苯酯、3-7份的乙烯基三过氧化叔丁基硅烷、1-3份的氧化锌纳米颗粒、1-3份的氮化铝纳米颗粒和1-3份的银纳米线组成；
其中，氧化锌纳米颗粒的粒径为200-400纳米、氮化铝纳米颗粒的粒径为400-600纳米、银纳米线的长度为900-1400纳米；
且外覆合涂料的各原料按重量份为60-80份的PVC树脂、30-40份的邻苯二甲酸二辛酯、10-20份的氯丁橡胶、3-7份的癸二酸二辛酯、3-7份的玻璃纤维和3-7份的碳化硅纳米颗粒组成；
其中，玻璃纤维的长度为6-8微米、碳化硅纳米颗粒的粒径为800-900纳米。
2.一种权利要求1所述的防冻裂硬质落水管的加工工艺，其特征在于，包括如下步骤：
步骤一：先将PVC树脂、PVDF树脂、亚磷酸三苯酯、乙烯基三过氧化叔丁基硅烷、氧化锌纳米颗粒、氮化铝纳米颗粒和银纳米线一同导入至反应釜，置于75度、180转/分钟下，均混搅拌45分钟后，再将其导入至双螺杆挤出机，置于螺杆转速为150转/分钟、平均加热温度为150度下，经挤出成型、冷却定型和转运切割后，得到内管道层；
步骤二：将PVC树脂、邻苯二甲酸二辛酯、氯丁橡胶、癸二酸二辛酯、玻璃纤维和碳化硅纳米颗粒一同导入至搅拌罐，置于175度、360转/分钟下，均混搅拌30分钟，经静置、保温后，得到外覆合涂料；
步骤三：先将内管道层置于覆合均涂设备内的半圆槽(6)，旋转旋钮(23)带动螺纹杆(19)转动，螺纹杆(19)带动两个螺纹套筒(2)同步的相向移动，两个螺纹套筒(2)带动两个滑块(18)同步的相向移动，两个滑块(18)带动两个限位板(4)同步的相向移动，直至两个限位板(4)与内管道层的端部相接触，此时旋紧两个螺母(22)，来将螺纹杆(19)的转动位置固定；
再开启电动推杆(11)带动橡胶罩(8)向下移动，橡胶罩(8)带动位于其内部的吸潮海绵套(17)向下移动，直至吸潮海绵套(17)与内管道层相贴紧，此时将外覆合涂料导入至储料箱(10)，开启电磁阀(12)来将储料箱(10)内的外覆合涂料，经两个导料管(13)分别滴入至吸潮海绵套(17)的外部和内管道层的外部，同时开启电机(20)带动转轴(14)转动，转轴(14)经伸缩弹簧(16)的伸缩弹力作用来带动固定套筒(15)呈凸轮状离心转动，固定套筒(15)带动吸潮海绵套(17)呈凸轮状离心转动，且依据吸潮海绵套(17)与内管道层相贴紧，则吸潮海绵套(17)带动附着有外覆合涂料的内管道层相紧密转动，而由吸潮海绵套(17)飞溅至橡胶罩(8)内侧的过量的外覆合涂料，沿着橡胶罩(8)的弧形结构，将其引导至斜块(7)处来统一收集；
最后关闭电磁阀(12)和电机(20)，以及将电动推杆(11)回至原位置处，经定型、烘干后，得到防冻裂硬质落水管。
3.根据权利要求2所述的一种防冻裂硬质落水管的加工工艺，其特征在于，所述覆合均涂设备由底座(1)、螺纹套筒(2)、矩形口(3)、限位板(4)、滚珠(5)、半圆槽(6)、斜块(7)、橡胶罩(8)、支撑架(9)、储料箱(10)、电动推杆(11)、电磁阀(12)、导料管(13)、转轴(14)、固定套筒(15)、伸缩弹簧(16)、吸潮海绵套(17)、滑块(18)、螺纹杆(19)、电机(20)、限位块(21)、螺母(22)和旋钮(23)组成；
所述底座(1)的顶部中心处开设有半圆槽(6)，所述半圆槽(6)的底部内壁中心处开设有矩形口(3)，所述矩形口(3)的内部对应安装有两个滑块(18)，且两个滑块(18)的顶部均通过螺栓固定有限位板(4)，所述限位板(4)的外侧处和半圆槽(6)的内壁处均嵌入有滚珠(5)，且两个滑块(18)的底部均通过螺栓固定有螺纹套筒(2)，所述螺纹杆(19)穿过两个螺纹套筒(2)和底座(1)的两侧，且其两端分别通过点焊固定有限位块(21)和旋钮(23)，所述螺纹杆(19)的外部套接有两个螺母(22)，且两个螺母(22)分别位于底座(1)与限位块(21)间和底座(1)与旋钮(23)间；
所述底座(1)的顶部通过螺栓固定有支撑架(9)，所述支撑架(9)的顶部中心处通过螺栓固定有储料箱(10)，所述支撑架(9)的一侧中心处通过螺栓固定有电动推杆(11)，所述电动推杆(11)的底部通过螺栓固定有橡胶罩(8)，且橡胶罩(8)与储料箱(10)之间设置有两个导料管(13)，且两个导料管(13)的一侧均安装有电磁阀(12)，所述橡胶罩(8)的内侧均匀嵌入有斜块(7)；
所述橡胶罩(8)的外侧通过螺栓固定有电机(20)，所述电机(20)的一侧通过联轴器活动连接有转轴(14)，所述转轴(14)穿过橡胶罩(8)的一侧，且转轴(14)的一端与其另一侧相接触，所述转轴(14)的外部套接有固定套筒(15)，且固定套筒(15)与转轴(14)之间均匀设置有伸缩弹簧(16)，所述固定套筒(15)的外侧通过粘接固定有吸潮海绵套(17)，且吸潮海绵套(17)与半圆槽(6)互为配合结构，所述电动推杆(11)、电磁阀(12)和电机(20)均与外部电源相电性连接。
4.根据权利要求3所述的一种防冻裂硬质落水管的加工工艺，其特征在于，所述螺纹杆(19)与两个螺纹套筒(2)之间均通过螺纹活动连接，且两个螺纹套筒(2)的内螺纹旋向相反，所述螺纹杆(19)与底座(1)的两侧之间均通过轴承活动连接。
5.根据权利要求3所述的一种防冻裂硬质落水管的加工工艺，其特征在于，所述吸潮海绵套(17)与一个导料管(13)的出料处互为对应设置，所述半圆槽(6)与另一个导料管(13)的出料处互为对应设置，所述橡胶罩(8)内侧的斜块(7)呈对称分布，且其与水平面间的所夹锐角呈三十度。
6.根据权利要求3所述的一种防冻裂硬质落水管的加工工艺，其特征在于，所述转轴(14)与橡胶罩(8)的两侧之间均通过轴承活动连接，所述伸缩弹簧(16)与转轴(14)和固定套筒(15)之间均通过点焊固定。
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