CN105756053B - 一种建筑桩 - Google Patents
一种建筑桩 Download PDFInfo
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- CN105756053B CN105756053B CN201610101736.7A CN201610101736A CN105756053B CN 105756053 B CN105756053 B CN 105756053B CN 201610101736 A CN201610101736 A CN 201610101736A CN 105756053 B CN105756053 B CN 105756053B
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 14
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 14
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010451 perlite Substances 0.000 claims description 7
- 235000019362 perlite Nutrition 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
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- 238000012423 maintenance Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
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- 229910052760 oxygen Inorganic materials 0.000 description 4
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- 239000011521 glass Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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Abstract
本发明公开一种建筑桩，包括有桩头、桩体和承重机构，所述桩头、桩体和承重机构依次连接，所述桩体底部侧壁上设置有抓地机构，所述桩体内部设置有减震管和两个连接锚管，所述两个连接锚管之间设置有加强柱，所述桩体顶部设置有支架，所述支架上方设置有承重台，所述承重台与支架之间通过弹簧连接，所述承重台上设置有顶柱，所述顶柱顶部设置有顶板，所述顶柱两侧设置有筋板；该建筑桩设计简单、安全、抗震和稳定性高。
Description
技术领域
本发明涉及一种建筑桩。
背景技术
在经济不断发展的今天，为了满足各种办公、住宿、娱乐的需要，楼房自然也越盖越多，越盖越高。在兴建建筑之前，在地基上打上建筑桩是常见的建筑施工方法。目前的建筑桩都是在较大的压力下竖直插入地面，如同钉子钉入木头一样，只受到垂直方向的摩擦阻力，而没有水平方向的契合作用，因此不是很稳固。
建筑物建成之后，由于地基下沉等原因，时常有建筑物的室内地面沉陷的情况发生，而由于一般建筑物的室内层高受限，无法采用大型设备在室内成桩，因此，建筑物的室内地面沉陷以后难以得到加固处理，危险性很高，而且时间长了，容易导致整栋楼将被迫停止使用，经济损失也很大。为此，目前建筑施工上出现了很多小型建筑桩体，通常是将预制部分结构后运输至施工现场再进行组装，然而在实际施工过程中，桩基的自身结构性能不足，且桩基的主要结构仍然是采取现场施工技术，但现场浇灌混凝土桩基结构耗用时间长，导致施工周期长，不利于施工成本的节约。
发明内容
本发明要解决的技术问题是提供一种设计简单、安全、抗震和稳定性高的建筑桩。
为解决上述技术问题，本发明采用如下技术方案：
一种建筑桩，包括有桩头、桩体和承重机构，所述桩头、桩体和承重机构依次连接，所述桩体底部侧壁上设置有抓地机构，所述桩体内部设置有减震管和两个连接锚管，所述两个连接锚管之间设置有加强柱，所述桩体顶部设置有支架，所述支架上方设置有承重台，所述承重台与支架之间通过弹簧连接，所述承重台上设置有顶柱，所述顶柱顶部设置有顶板，所述顶柱两侧设置有筋板，所述桩头由按重量份数配比的硅30‐40份、铝35‐45份、玻璃纤维28‐30份、超细砂26‐30份、聚丙烯12‐18份、二苯醚10‐16份、甲乙酮16‐18份、三氧化二锑10‐14份、三氧化钼12‐14份、珍珠岩20‐24份、硅藻土22‐26份、石墨30‐45份、丙烯酸酯10‐16份、苯二胺12‐14份、苯乙烯10‐14份和水20‐30份制成。
进一步的，所述桩头与桩体采用螺纹结构连接，利于桩头与桩体的拆装，而且安装牢固。
进一步的，所述承重台与顶柱为一体化设置，让建筑桩更加稳固。
进一步的，所述顶柱表面设置有不锈钢层，防止顶柱因长期接触水和氧气而生锈。
进一步的，所述顶柱内部设置有一条以上的钢筋，提高了顶柱的强度。
桩头的制造方法，包括有以下步骤：
1)取玻璃纤维28‐30份和超细砂26‐30份送去气流粉碎机中制成粉末，将粉末送入搅拌机中搅拌均匀，再加入水20‐30份和聚丙烯12‐18份，送入烘干机中，温度升至200‐300℃，持续30‐50min，备用；
2)取二苯醚10‐16份和甲乙酮16‐18份，送入加热机中，温度升至85‐95℃，持续20‐40min，再保温1‐2小时，备用；
3)取珍珠岩20‐24份送入碎石机中粉碎成小颗粒，加入步骤2)中制得的原料，送入搅拌机中，搅拌均匀，送入800‐900℃的焙烧机中焙烧2‐3小时，再送入密闭容器中冷却至室温，备用；
4)取三氧化二锑10‐14份和三氧化钼12‐14份，送入加热器中加热，温度由200℃升至300℃，升温速度为10℃/min，再保温3‐4小时，备用；
5)取硅藻土22‐26份和石墨30‐45份送入气流粉碎机中制成粉末，再加入丙烯酸酯10‐16份、苯二胺12‐14份和苯乙烯10‐14份，送入加热器中加热至50‐60℃，备用；
6)将步骤1)、步骤3)、步骤4)和步骤5)中制得的原料混合，加入硅30‐40份和铝35‐45份，送入熔融炉中，温度升至1200‐1300℃，持续2‐3小时，备用；
7)将步骤6)中的原料注入模中浇注养护30小时脱模，再常温养护五天，即可得到建筑桩的桩头。
本发明的有益效果为：该建筑桩设计简单，通过在桩头上设置有抓地机构，起到了固定作用，提高了建筑桩的稳定性；通过在承重台与支架之间设置有弹簧，纵向地震波使建筑物上下晃动，弹簧发生形变，避免建筑物上下剧烈晃动，发生破坏，保证建筑物结构的完整性；通过在桩体内设置有减震管，起到了减振作用，提高了安全性。
附图说明
图1为本发明一种建筑桩的结构示意图。
具体实施方式
实施例一
参照图1所示，一种建筑桩，包括有桩头1、桩体2和承重机构3，所述桩头1、桩体2和承重机构3依次连接，所述桩体2底部侧壁上设置有抓地机构4，所述桩体2内部设置有减震管5和两个连接锚管7，所述两个连接锚管7之间设置有加强柱6，所述桩体2顶部设置有支架8，所述支架8上方设置有承重台10，所述承重台10与支架8之间通过弹簧9连接，所述承重台10上设置有顶柱11，所述顶柱11顶部设置有顶板13，所述顶柱11两侧设置有筋板12。
所述桩头1与桩体2采用螺纹结构连接，利于桩头1与桩体2的拆装，而且安装牢固。
所述承重台10与顶柱11为一体化设置，让建筑桩更加稳固。
所述顶柱11表面设置有不锈钢层(未图示)，防止顶柱11因长期接触水和氧气而生锈。
所述顶柱11内部设置有一条以上的钢筋(未图示)，提高了顶柱11的强度。
桩头1的制造方法：
1)取玻璃纤维28份和超细砂26份送去气流粉碎机中制成粉末，将粉末送入搅拌机中搅拌均匀，再加入水20份和聚丙烯12份，送入烘干机中，温度升至200℃，持续30min，备用；
2)取二苯醚10份和甲乙酮16份，送入加热机中，温度升至85℃，持续20min，再保温1小时，备用；
3)取珍珠岩20份送入碎石机中粉碎成小颗粒，加入步骤2)中制得的原料，送入搅拌机中，搅拌均匀，送入800℃的焙烧机中焙烧2小时，再送入密闭容器中冷却至室温，备用；
4)取三氧化二锑10份和三氧化钼12份，送入加热器中加热，温度由200℃升至300℃，升温速度为10℃/min，再保温3小时，备用；
5)取硅藻土22份和石墨30份送入气流粉碎机中制成粉末，再加入丙烯酸酯10份、苯二胺12份和苯乙烯10份，送入加热器中加热至50℃，备用；
6)将步骤1)、步骤3)、步骤4)和步骤5)中制得的原料混合，加入硅30份和铝35份，送入熔融炉中，温度升至1200℃，持续2小时，备用；
7)将步骤6)中的原料注入模中浇注养护30小时脱模，再常温养护五天，即可得到建筑桩的桩头1。
实施例二
参照图1所示，一种建筑桩，包括有桩头1、桩体2和承重机构3，所述桩头1、桩体2和承重机构3依次连接，所述桩体2底部侧壁上设置有抓地机构4，所述桩体2内部设置有减震管5和两个连接锚管7，所述两个连接锚管7之间设置有加强柱6，所述桩体2顶部设置有支架8，所述支架8上方设置有承重台10，所述承重台10与支架8之间通过弹簧9连接，所述承重台10上设置有顶柱11，所述顶柱11顶部设置有顶板13，所述顶柱11两侧设置有筋板12。
所述桩头1与桩体2采用螺纹结构连接，利于桩头1与桩体2的拆装，而且安装牢固。
所述承重台10与顶柱11为一体化设置，让建筑桩更加稳固。
所述顶柱11表面设置有不锈钢层(未图示)，防止顶柱11因长期接触水和氧气而生锈。
所述顶柱11内部设置有一条以上的钢筋(未图示)，提高了顶柱11的强度。
桩头1的制造方法：
1)取玻璃纤维29份和超细砂28份送去气流粉碎机中制成粉末，将粉末送入搅拌机中搅拌均匀，再加入水25份和聚丙烯15份，送入烘干机中，温度升至250℃，持续40min，备用；
2)取二苯醚13份和甲乙酮17份，送入加热机中，温度升至90℃，持续30min，再保温1.5小时，备用；
3)取珍珠岩22份送入碎石机中粉碎成小颗粒，加入步骤2)中制得的原料，送入搅拌机中，搅拌均匀，送入850℃的焙烧机中焙烧2.5小时，再送入密闭容器中冷却至室温，备用；
4)取三氧化二锑12份和三氧化钼13份，送入加热器中加热，温度由200℃升至300℃，升温速度为10℃/min，再保温3.5小时，备用；
5)取硅藻土24份和石墨37.5份送入气流粉碎机中制成粉末，再加入丙烯酸酯13份、苯二胺13份和苯乙烯12份，送入加热器中加热至55℃，备用；
6)将步骤1)、步骤3)、步骤4)和步骤5)中制得的原料混合，加入硅35份和铝40份，送入熔融炉中，温度升至1250℃，持续2.5小时，备用；
7)将步骤6)中的原料注入模中浇注养护30小时脱模，再常温养护五天，即可得到建筑桩的桩头1。
实施例三
参照图1所示，一种建筑桩，包括有桩头1、桩体2和承重机构3，所述桩头1、桩体2和承重机构3依次连接，所述桩体2底部侧壁上设置有抓地机构4，所述桩体2内部设置有减震管5和两个连接锚管7，所述两个连接锚管7之间设置有加强柱6，所述桩体2顶部设置有支架8，所述支架8上方设置有承重台10，所述承重台10与支架8之间通过弹簧9连接，所述承重台10上设置有顶柱11，所述顶柱11顶部设置有顶板13，所述顶柱11两侧设置有筋板12。
所述桩头1与桩体2采用螺纹结构连接，利于桩头1与桩体2的拆装，而且安装牢固。
所述承重台10与顶柱11为一体化设置，让建筑桩更加稳固。
所述顶柱11表面设置有不锈钢层(未图示)，防止顶柱11因长期接触水和氧气而生锈。
所述顶柱11内部设置有一条以上的钢筋(未图示)，提高了顶柱11的强度。
桩头1的制造方法：
1)取玻璃纤维30份和超细砂30份送去气流粉碎机中制成粉末，将粉末送入搅拌机中搅拌均匀，再加入水30份和聚丙烯18份，送入烘干机中，温度升至300℃，持续50min，备用；
2)取二苯醚16份和甲乙酮18份，送入加热机中，温度升至95℃，持续40min，再保温2小时，备用；
3)取珍珠岩24份送入碎石机中粉碎成小颗粒，加入步骤2)中制得的原料，送入搅拌机中，搅拌均匀，送入900℃的焙烧机中焙烧3小时，再送入密闭容器中冷却至室温，备用；
4)取三氧化二锑14份和三氧化钼14份，送入加热器中加热，温度由200℃升至300℃，升温速度为10℃/min，再保温4小时，备用；
5)取硅藻土26份和石墨45份送入气流粉碎机中制成粉末，再加入丙烯酸酯16份、苯二胺14份和苯乙烯14份，送入加热器中加热至60℃，备用；
6)将步骤1)、步骤3)、步骤4)和步骤5)中制得的原料混合，加入硅40份和铝45份，送入熔融炉中，温度升至1300℃，持续3小时，备用；
7)将步骤6)中的原料注入模中浇注养护30小时脱模，再常温养护五天，即可得到建筑桩的桩头1。
实验例
选用实施例一、实施例二、实施例三和普通建筑桩，分为4组，观察各组建筑桩使用一年后的情况。
对比结果见下表：
由此可见，本发明三个实施例中的样品与普通建筑桩相比在耐磨损、倾斜度和结构强度上具有显著提升。
本发明的有益效果为：该建筑桩设计简单，通过在桩头上设置有抓地机构，起到了固定作用，提高了建筑桩的稳定性；通过在承重台与支架之间设置有弹簧，纵向地震波使建筑物上下晃动，弹簧发生形变，避免建筑物上下剧烈晃动，发生破坏，保证建筑物结构的完整性；通过在桩体内设置有减震管，起到了减振作用，提高了安全性。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围内。
Claims (5)
1.一种建筑桩，其特征在于：包括有桩头、桩体和承重机构，所述桩头、桩体和承重机构依次连接，所述桩体底部侧壁上设置有抓地机构，所述桩体内部设置有减震管和两个连接锚管，所述两个连接锚管之间设置有加强柱，所述桩体顶部设置有支架，所述支架上方设置有承重台，所述承重台与支架之间通过弹簧连接，所述承重台上设置有顶柱，所述顶柱顶部设置有顶板，所述顶柱两侧设置有筋板，所述桩头由按重量份数配比的硅30-40份、铝35-45份、玻璃纤维28-30份、超细砂26-30份、聚丙烯12-18份、二苯醚10-16份、甲乙酮16-18份、三氧化二锑10-14份、三氧化钼12-14份、珍珠岩20-24份、硅藻土22-26份、石墨30-45份、丙烯酸酯10-16份、苯二胺12-14份、苯乙烯10-14份和水20-30份制成，所述桩头的制造方法，包括有以下步骤：
1)取玻璃纤维28-30份和超细砂26-30份送去气流粉碎机中制成粉末，将粉末送入搅拌机中搅拌均匀，再加入水20-30份和聚丙烯12-18份，送入烘干机中，温度升至200-300℃，持续30-50min，备用；
2)取二苯醚10-16份和甲乙酮16-18份，送入加热机中，温度升至85-95℃，持续20-40min，再保温1-2小时，备用；
3)取珍珠岩20-24份送入碎石机中粉碎成小颗粒，加入步骤2)中制得的原料，送入搅拌机中，搅拌均匀，送入800-900℃的焙烧机中焙烧2-3小时，再送入密闭容器中冷却至室温，备用；
4)取三氧化二锑10-14份和三氧化钼12-14份，送入加热器中加热，温度由200℃升至300℃，升温速度为10℃/min，再保温3-4小时，备用；
5)取硅藻土22-26份和石墨30-45份送入气流粉碎机中制成粉末，再加入丙烯酸酯10-16份、苯二胺12-14份和苯乙烯10-14份，送入加热器中加热至50-60℃，备用；
6)将步骤1)、步骤3)、步骤4)和步骤5)中制得的原料混合，加入硅30-40份和铝35-45份，送入熔融炉中，温度升至1200-1300℃，持续2-3小时，备用；
7)将步骤6)中的原料注入模中浇注养护30小时脱模，再常温养护五天，即可得到建筑桩的桩头。
2.根据权利要求1所述的建筑桩，其特征在于：所述桩头与桩体采用螺纹结构连接。
3.根据权利要求2所述的建筑桩，其特征在于：所述承重台与顶柱为一体化设置。
4.根据权利要求3所述的建筑桩，其特征在于：所述桩管表面设置有不锈钢层。
5.根据权利要求4所述的建筑桩，其特征在于：所述顶柱内部设置有一条以上的钢筋。
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| CN106368209A (zh) * | 2016-09-18 | 2017-02-01 | 彭伟成 | 一种建筑桩 |
| CN107700515B (zh) * | 2017-09-15 | 2019-08-06 | 杭州绿城都会建筑设计有限公司 | 建筑桩基 |
| CN112376549B (zh) * | 2020-10-26 | 2022-02-08 | 福建省交通规划设计院有限公司 | 一种预应力混凝土管桩抗震连接装置及其使用方法 |
| CN117513443B (zh) * | 2024-01-03 | 2024-03-12 | 山东历控建设发展有限公司 | 一种绿色建筑抗震加强结构及其施工方法 |
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| JPH0794727B2 (ja) * | 1990-01-17 | 1995-10-11 | 株式会社フジタ | ばねを有する杭 |
| FR2712334B1 (fr) * | 1993-11-10 | 1996-02-02 | Rambaud Pascal | Poteau de support pour barrière d'arrêt de blocs dévalants, à ancrage unique. |
| CN1460751A (zh) * | 2003-06-09 | 2003-12-10 | 吕怀民 | 一种组合桩和组合桩、组合桩基础的组合施工方法及用途 |
| CN101487255B (zh) * | 2008-01-17 | 2011-05-04 | 上海陆驱商贸有限公司 | 高强度预应力混凝土带节管桩及其制备方法 |
| CN101602582B (zh) * | 2008-06-12 | 2013-01-16 | 江苏固丰管桩集团有限公司 | 高抗裂高活性管桩混凝土掺合料的制备 |
| CN201520971U (zh) * | 2009-08-31 | 2010-07-07 | 北京格物创道科技发明有限公司 | 一种基桩 |
| CN102276214B (zh) * | 2010-06-12 | 2014-07-09 | 黄贺明 | 一种高耐久性高承载力混凝土管桩 |
| CN202000381U (zh) * | 2011-03-16 | 2011-10-05 | 梁金炽 | 一种可抵御地震的建筑物结构 |
| CN202730789U (zh) * | 2012-03-29 | 2013-02-13 | 北京天工创道建筑科技有限公司 | 一种基桩及其整合结构 |
| CN203007945U (zh) * | 2012-12-03 | 2013-06-19 | 北京天工创道建筑科技有限公司 | 一种可以吸收地震波的抗震地锚装置 |
| CN104565681A (zh) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | 一种绝热材料和绝热管道及其制备方法 |
| CN203569581U (zh) * | 2013-11-15 | 2014-04-30 | 许昌学院 | 一种抗滑抗震的建筑桩 |
| CN204125946U (zh) * | 2014-10-16 | 2015-01-28 | 张瑞龙 | 减震地基支撑管 |
| CN104591644A (zh) * | 2014-12-25 | 2015-05-06 | 东南大学 | 一种高强高韧建筑方桩及其制备方法 |
| CN204645022U (zh) * | 2015-04-21 | 2015-09-16 | 杨雪飞 | 一种新型抗震建筑桩 |
| CN104829180A (zh) * | 2015-04-27 | 2015-08-12 | 海盐水泥制管有限公司 | 一种钢筋混凝土管柱的制备方法 |
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| CN107721249A (zh) | 2018-02-23 |
| CN107675701A (zh) | 2018-02-09 |
| CN107747310A (zh) | 2018-03-02 |
| CN107747310B (zh) | 2019-07-19 |
| CN107700476A (zh) | 2018-02-16 |
| CN107675701B (zh) | 2019-08-02 |
| CN105756053A (zh) | 2016-07-13 |
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