CN103777299B - A kind of fiber cable laying servicing unit of power pipe and making and construction method - Google Patents
A kind of fiber cable laying servicing unit of power pipe and making and construction method Download PDFInfo
- Publication number
- CN103777299B CN103777299B CN201410019495.2A CN201410019495A CN103777299B CN 103777299 B CN103777299 B CN 103777299B CN 201410019495 A CN201410019495 A CN 201410019495A CN 103777299 B CN103777299 B CN 103777299B
- Authority
- CN
- China
- Prior art keywords
- section
- cylinder
- pipe
- auxiliary device
- halves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
一种电力管道的光缆敷设辅助装置及其制作和施工方法，所述电力管道的光缆敷设辅助装置，它包括一中间呈圆筒状、两端分别为圆弧尖端头部的筒体，在筒体内沿轴中心轴向设置有一根中间管，该中间管的一端部连接在筒体一端的圆弧尖端头部内壁，另一端固定在筒体另一端圆弧尖端头部上并伸出在外，在该伸出在外的端部上横向开设有光缆连接孔；所述的制作方法包括：a）两半筒体的制作；b）连接两半筒体，制成整个筒体结构；所述施工方法包括：a）将本辅助装置安装在传管机头上，并固定；b）带辅助装置的穿杆进入电缆管孔；c）辅助装置顺利穿出并上浮在水面上；d）将光缆固定在穿管机的另一头，通过穿管机拉出管道，完成光缆敷设。
An auxiliary device for laying optical cables for power pipelines and its production and construction methods. The auxiliary device for laying optical cables for electric power pipelines includes a cylindrical body in the middle and arc-shaped pointed heads at both ends. An intermediate tube is arranged in the body along the axis of the shaft center. One end of the intermediate tube is connected to the inner wall of the arc tip head at one end of the cylinder body, and the other end is fixed on the arc tip head at the other end of the cylinder body and protrudes outside. An optical cable connection hole is opened transversely on the protruding end; the manufacturing method includes: a) making two halves of the cylinder; b) connecting the two halves of the cylinder to form the entire cylinder structure; the construction The method includes: a) installing the auxiliary device on the head of the pipe passing machine and fixing it; b) the threading rod with the auxiliary device enters the hole of the cable pipe; c) the auxiliary device passes through smoothly and floats on the water surface; d) inserts the optical cable It is fixed on the other end of the pipe threading machine, and the pipe is pulled out through the pipe threading machine to complete the laying of the optical cable.
Description
技术领域 technical field
本发明涉及的是一种电力管道的光缆敷设辅助装置及其制作和施工方法，属于电力管道的光缆敷设技术领域。 The invention relates to an auxiliary device for laying optical cables of electric power pipelines and a manufacturing and construction method thereof, and belongs to the technical field of laying optical cables of electric power pipelines.
背景技术 Background technique
近年来，电力系统管道光缆建设非常迅速，由于受管道资源的限制，大量的城区光缆因没有通信专用管孔而与10kV电缆敷设在同一管孔中。由于先前已经敷设好的粗缆径的10kV电缆与管壁间有许多缝隙，光缆敷设时穿管机经常进入这些缝隙而受到电缆的压制阻碍，使得敷设变的非常艰难。同时，电力管道两端上翘，穿杆更易进入死角，造成“卡壳”。所以在有电缆的管孔中敷设光缆往往费时又费力，甚至无法传通。 In recent years, the construction of pipeline optical cables in power systems has been very rapid. Due to the limitation of pipeline resources, a large number of urban optical cables are laid in the same tube hole as 10kV cables because there are no dedicated communication tube holes. Because there are many gaps between the 10kV cable with a thick cable diameter that has been laid before and the pipe wall, the pipe threading machine often enters these gaps when laying the optical cable and is hindered by the cable, making the laying very difficult. At the same time, the two ends of the power pipeline are upturned, and it is easier to enter the dead angle when passing through the rod, resulting in "stuck". Therefore, laying optical cables in pipe holes with cables is often time-consuming and laborious, or even impossible to communicate.
发明内容 Contents of the invention
本发明的目的在于克服现有技术存在的不足，而提供一种结构简单，使用方便可靠，能提高光缆敷设效率的电力管道的光缆敷设辅助装置及其制作和施工方法。 The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a simple structure, convenient and reliable use, and can improve the efficiency of optical cable laying power pipeline optical cable laying auxiliary device and its manufacturing and construction methods.
本发明的目的是通过如下技术方案来实现的，所述电力管道的光缆敷设辅助装置，它包括一中间呈圆筒状、两端分别为圆弧尖端头部的筒体，在筒体内沿轴中心轴向设置有一根中间管，该中间管的一端部连接在筒体一端的圆弧尖端头部内壁，另一端固定在筒体另一端圆弧尖端头部上并伸出在外，在该伸出在外的端部上横向开设有光缆连接孔。 The object of the present invention is achieved through the following technical proposal. The optical cable laying auxiliary device of the power pipeline includes a cylindrical body with a cylindrical shape in the middle and arc-shaped pointed heads at both ends. An intermediate pipe is arranged in the central axis, one end of the intermediate pipe is connected to the inner wall of the arc tip head at one end of the cylinder, and the other end is fixed on the arc tip head at the other end of the cylinder and protrudes outside. An optical cable connection hole is opened transversely on the outer end.
所述的筒体由两半分别是A段筒体和B段筒体相接组成，所述的中间管也由两半分别是a段中间管和b段中间管相接组成，其中a段中间管的一端固定在相应A段筒体一端圆弧尖端头部的内壁面上，该a段中间管的另一端与b段中间管通过雌雄连接边或内外管插接方式固定连接；所述b段中间管的另一端固定在B段筒体圆弧尖端头部上设置的插孔中并伸出在外，所述B段筒体与A段筒体之间也通过雌雄连接端边相互固定连接；在中间管与筒体之间形成有一密闭空间。 The cylinder body is composed of two halves connected by a section A cylinder body and a section B cylinder body, and the intermediate pipe is also composed of two halves respectively connected by a section a section middle pipe and a b section middle pipe, wherein a section One end of the intermediate pipe is fixed on the inner wall surface of the circular arc tip head at one end of the corresponding section A cylinder body, and the other end of the intermediate pipe of section a is fixedly connected with the intermediate pipe of section b through the male and female connecting edge or the inner and outer pipes; The other end of the middle tube of section B is fixed in the socket provided on the arc tip head of section B cylinder and protrudes outside, and the cylinder body of section B and section A are also fixed to each other through the male and female connection ends Connection; a closed space is formed between the intermediate pipe and the cylinder.
一种如上所述电力管道的光缆敷设辅助装置的制作方法，所述的制作方法包括如下步骤： A method for manufacturing an auxiliary device for laying an optical cable for a power pipeline as described above, the method includes the following steps:
a）两半筒体的制作，用模具分别制作A段筒体和B段筒体，且在制作A段筒体和B段筒体同时，利用模具在A段筒体和B段筒体内连体制作有a段中间管和b段中间管，其中一段中间管突出在连体一段筒体的连接端边，另一段中间管缩进在连体一段筒体的连接端边，并使两段中间管相接的长度与两段筒体的相接长度相同； a) For the production of the two halves of the cylinder, use the mold to make the A-section cylinder and the B-section cylinder respectively, and at the same time as making the A-section cylinder and the B-section cylinder, use the mold to connect the A-section cylinder and the B-section cylinder. The body is made of a-section intermediate pipe and b-section intermediate pipe, one of which is protruding from the connecting end of the first section of the cylinder, and the other section of the intermediate pipe is retracted from the connecting end of the first section of the cylinder, and makes the two sections The connecting length of the intermediate pipe is the same as the connecting length of the two cylinders;
b）连接两半筒体，将两段筒体，即A段筒体与B段筒体利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起；与此同时，两段中间管，即a段中间管和b段中间管也刚好利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起。 b) Connect the two halves of the cylinder, insert and fix the two sections of the cylinder, that is, the A section of the cylinder and the B section of the cylinder, using the male and female end edges that have been coated with adhesive; at the same time, the two sections The middle pipe, that is, the middle pipe of section a and the middle pipe of section b just utilizes the male and female end edges that have been coated with adhesive to insert and fix together.
一种如上所述电力管道的光缆敷设辅助装置的制作方法，所述的制作方法包括如下步骤： A method for manufacturing an auxiliary device for laying an optical cable for a power pipeline as described above, the method includes the following steps:
a）两半筒体的制作，用模具分别制作A段筒体和B段筒体，且在制作A段筒体和B段筒体同时，利用模具在A段筒体和B段筒体内连体制作有a段中间管和b段中间管，两段中间管均突出在连体一段筒体的连接端边，其中一段中间管的连接端内管径稍大于另一段中间管的外管径，使两段中间管能够在相接处能套接在一起。 a) For the production of the two halves of the cylinder, use the mold to make the A-section cylinder and the B-section cylinder respectively, and at the same time as making the A-section cylinder and the B-section cylinder, use the mold to connect the A-section cylinder and the B-section cylinder. The body is made with a-section intermediate pipe and b-section intermediate pipe. The two-section intermediate pipes protrude from the connecting end edge of the one-piece cylinder body. The inner diameter of the connecting end of one of the intermediate pipes is slightly larger than the outer diameter of the other intermediate pipe. , so that the two sections of intermediate pipe can be socketed together at the junction.
b）连接两半筒体，将两段筒体，即A段筒体与B段筒体利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起；与此同时，两段中间管，即a段中间管和b段中间管刚好相互插接在一起，利用已经涂制有胶粘剂的插接端边固定在一起。 b) Connect the two halves of the cylinder, insert and fix the two sections of the cylinder, that is, the A section of the cylinder and the B section of the cylinder, using the male and female end edges that have been coated with adhesive; at the same time, the two sections The middle pipe, that is, the middle pipe of section a and the middle pipe of section b are just plugged together, and are fixed together by means of the plugged end edges that have been coated with adhesive.
一种利用如上所述电力管道光缆敷设辅助装置进行施工方法，所述的施工方法包括如下步骤： A construction method using the auxiliary device for laying power pipeline optical cables as described above, the construction method includes the following steps:
a）将本辅助装置安装在穿管机头上，并固定； a) Install this auxiliary device on the pipe threading head and fix it;
b）带辅助装置的穿杆进入电缆管孔； b) The threading rod with auxiliary device enters the cable pipe hole;
c）辅助装置顺利穿出并上浮在水面上； c) The auxiliary device goes out smoothly and floats on the water surface;
d）将光缆固定在穿管机的另一头，通过穿管机拉出管道，完成光缆敷设。 d) Fix the optical cable at the other end of the pipe threading machine, and pull out the pipe through the pipe threading machine to complete the laying of the optical cable.
本发明主要采取了内空圆弧结构，头部采用圆弧状，不易卡壳，便于管内滑行；整个筒体有足够浮力，不沉底，在有水电缆井中易发现；与电缆护层为同质类材料，摩擦小，不构成对电缆任何伤害；重量轻，绝缘好；外径尺寸，满足在已有电缆的管道中串通敷设，适合现场环境使用。 The invention mainly adopts the inner hollow arc structure, and the head adopts arc shape, which is not easy to get stuck, and is convenient to slide in the pipe; the whole cylinder has sufficient buoyancy, does not sink to the bottom, and is easy to find in the cable well with water; it is the same as the cable sheath High-quality materials, low friction, does not cause any damage to the cable; light weight, good insulation; outer diameter size, can meet the laying of existing cables in the pipeline, suitable for use in the field environment.
本发明具有结构合理、使用方便、针对性强、对电缆无损伤等优点，经过实际工程验证，缩短光缆敷设时间达30%以上，尤其在长管道中效果更佳，节省电力管道光缆敷设的成本，大大提高工作效率。 The invention has the advantages of reasonable structure, convenient use, strong pertinence, no damage to cables, etc. After actual engineering verification, the laying time of optical cables can be shortened by more than 30%, especially in long pipelines, and the cost of laying optical cables in power pipelines can be saved. , greatly improving work efficiency.
附图说明 Description of drawings
图1是本发明的结构示意图。 Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式 detailed description
下面将结合附图对本发明作详细的介绍：图1所示，本发明所述的电力管道的光缆敷设辅助装置，它包括一中间呈圆筒状、两端分别为圆弧尖端头部的筒体1，在筒体内沿轴中心轴向设置有一根中间管2，该中间管2的一端部连接在筒体1一端的圆弧尖端头部内壁，另一端固定在筒体另一端圆弧尖端头部上并伸出在外，在该伸出在外的端部上横向开设有光缆连接孔3。 The present invention will be described in detail below in conjunction with the accompanying drawings: As shown in Figure 1, the optical cable laying auxiliary device for power pipelines according to the present invention includes a cylinder in the middle and circular arc tip heads at both ends. Body 1, an intermediate pipe 2 is arranged axially along the axis center in the cylinder, one end of the intermediate pipe 2 is connected to the inner wall of the arc tip head at one end of the cylinder body 1, and the other end is fixed on the arc tip at the other end of the cylinder body The head protrudes outward, and an optical cable connection hole 3 is opened transversely on the protruding end.
本发明所述的筒体1由两半分别是A段筒体11和B段筒体12相接组成，所述的中间管2也由两半分别是a段中间管21和b段中间管22相接组成，其中a段中间管21的一端固定在相应A段筒体11一端圆弧尖端头部的内壁面上，该a段中间管21的另一端与b段中间管22通过雌雄连接边，图中所示的是：内外管插接方式固定连接；所述b段中间管22的另一端固定在B段筒体12圆弧尖端头部上设置的插孔中并伸出在外，所述B段筒体12与A段筒体11之间也通过雌雄连接端边相互固定连接；在中间管2与筒体1之间形成有一密闭空间4。 The cylindrical body 1 of the present invention is composed of two halves which are respectively the A-section cylindrical body 11 and the B-section cylindrical body 12. The described intermediate pipe 2 is also composed of two halves which are respectively the a-section intermediate pipe 21 and the b-section intermediate pipe. 22, wherein one end of the middle pipe 21 of section a is fixed on the inner wall surface of the arc tip head of one end of the corresponding section A cylinder body 11, and the other end of the middle pipe 21 of section a is connected with the middle pipe 22 of section b through male and female Side, shown in the figure is: the inner and outer tubes are fixedly connected by plugging; the other end of the b-section intermediate tube 22 is fixed in the jack provided on the head of the arc tip of the B-section cylinder 12 and protrudes outside. The cylinder body 12 of section B and the cylinder body 11 of section A are also fixedly connected to each other through the male and female connecting ends; a closed space 4 is formed between the intermediate pipe 2 and the cylinder body 1 .
一种如上所述电力管道的光缆敷设辅助装置的制作方法，所述的制作方法包括如下步骤： A method for manufacturing an auxiliary device for laying an optical cable for a power pipeline as described above, the method includes the following steps:
a）两半筒体的制作，用模具分别制作A段筒体和B段筒体，且在制作A段筒体和B段筒体同时，利用模具在A段筒体和B段筒体内连体制作有a段中间管和b段中间管，其中一段中间管突出在连体一段筒体的连接端边，另一段中间管缩进在连体一段筒体的连接端边，并使两段中间管相接的长度与两段筒体的相接长度相同； a) For the production of the two halves of the cylinder, use the mold to make the A-section cylinder and the B-section cylinder respectively, and at the same time as making the A-section cylinder and the B-section cylinder, use the mold to connect the A-section cylinder and the B-section cylinder. The body is made of a-section intermediate pipe and b-section intermediate pipe, one of which is protruding from the connecting end of the first section of the cylinder, and the other section of the intermediate pipe is retracted from the connecting end of the first section of the cylinder, and makes the two sections The connecting length of the intermediate pipe is the same as the connecting length of the two cylinders;
b）连接两半筒体，将两段筒体，即A段筒体与B段筒体利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起；与此同时，两段中间管，即a段中间管和b段中间管也刚好利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起。 b) Connect the two halves of the cylinder, insert and fix the two sections of the cylinder, that is, the A section of the cylinder and the B section of the cylinder, using the male and female end edges that have been coated with adhesive; at the same time, the two sections The middle pipe, that is, the middle pipe of section a and the middle pipe of section b just utilizes the male and female end edges that have been coated with adhesive to insert and fix together.
本发明另一种实施例是：所述电力管道的光缆敷设辅助装置的制作方法，所述的制作方法包括如下步骤： Another embodiment of the present invention is: the manufacturing method of the optical cable laying auxiliary device of the power pipeline, and the manufacturing method includes the following steps:
a）两半筒体的制作，用模具分别制作A段筒体和B段筒体，且在制作A段筒体和B段筒体同时，利用模具在A段筒体和B段筒体内连体制作有a段中间管和b段中间管，两段中间管均突出在连体一段筒体的连接端边，其中一段中间管的连接端内管径稍大于另一段中间管的外管径，使两段中间管能够在相接处能套接在一起，图1所示。 a) For the production of the two halves of the cylinder, use the mold to make the A-section cylinder and the B-section cylinder respectively, and at the same time as making the A-section cylinder and the B-section cylinder, use the mold to connect the A-section cylinder and the B-section cylinder. The body is made with a-section intermediate pipe and b-section intermediate pipe. The two-section intermediate pipes protrude from the connecting end edge of the one-piece cylinder body. The inner diameter of the connecting end of one of the intermediate pipes is slightly larger than the outer diameter of the other intermediate pipe. , so that the two sections of intermediate pipes can be nested together at the joints, as shown in Figure 1.
b）连接两半筒体，将两段筒体，即A段筒体与B段筒体利用连接端边已经涂制有胶粘剂的雌雄端边插接并固定在一起；与此同时，两段中间管，即a段中间管和b段中间管刚好相互插接在一起，利用已经涂制有胶粘剂的插接端边固定在一起。 b) Connect the two halves of the cylinder, insert and fix the two sections of the cylinder, that is, the A section of the cylinder and the B section of the cylinder, using the male and female end edges that have been coated with adhesive; at the same time, the two sections The middle pipe, that is, the middle pipe of section a and the middle pipe of section b are just plugged together, and are fixed together by means of the plugged end edges that have been coated with adhesive.
一种利用如上所述电力管道光缆敷设辅助装置进行施工的方法，所述的方法包括如下步骤： A method for construction using the auxiliary device for laying power pipeline optical cables as described above, the method includes the following steps:
a）将本辅助装置安装在穿管机头上，并固定； a) Install this auxiliary device on the pipe threading head and fix it;
b）带辅助装置的穿杆进入电缆管孔； b) The threading rod with auxiliary device enters the cable pipe hole;
c）辅助装置顺利穿出并上浮在水面上； c) The auxiliary device goes out smoothly and floats on the water surface;
d）将光缆固定在穿管机的另一头，通过穿管机拉出管道，完成光缆敷设。 d) Fix the optical cable at the other end of the pipe threading machine, and pull out the pipe through the pipe threading machine to complete the laying of the optical cable.
考虑到中空有浮力的要求及开模需要，产品被设计了上下两部分。成品后相互对接粘合。 Considering the buoyancy requirements of the hollow and the need for mold opening, the product is designed in two parts, the upper and lower parts. After the finished product, they are butted and glued to each other.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019495.2A CN103777299B (en) | 2014-01-16 | 2014-01-16 | A kind of fiber cable laying servicing unit of power pipe and making and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019495.2A CN103777299B (en) | 2014-01-16 | 2014-01-16 | A kind of fiber cable laying servicing unit of power pipe and making and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103777299A CN103777299A (en) | 2014-05-07 |
| CN103777299B true CN103777299B (en) | 2016-05-04 |
Family
ID=50569748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410019495.2A Active CN103777299B (en) | 2014-01-16 | 2014-01-16 | A kind of fiber cable laying servicing unit of power pipe and making and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103777299B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638727A (en) * | 2019-01-22 | 2019-04-16 | 北京隆昌达电力工程有限公司 | A kind of electric power pipe well cabling cable construction lifting platform |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093458B (en) * | 2014-05-08 | 2018-11-09 | 国网山东省电力公司潍坊供电公司 | Prefabricated optical cable perforation assistor |
| CN110601088A (en) * | 2019-09-30 | 2019-12-20 | 中徽建技术有限公司 | Cable auxiliary device for electric power engineering construction |
| CN114325995B (en) * | 2021-12-13 | 2025-11-25 | 中铁十六局集团电气化工程有限公司 | A duct optical cable laying auxiliary device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461071B1 (en) * | 1997-12-04 | 2002-10-08 | Takayasu Kanemura | Auxiliary tool for cable hauling |
| EP1484828A1 (en) * | 2003-06-02 | 2004-12-08 | IED Industrial Engineering & Design GmbH | Cable chamber for cable ducts or hoses laid underground in a local cable duct network system |
| CN201918672U (en) * | 2010-12-15 | 2011-08-03 | 梁学宏 | Cable tractor |
| CN203705712U (en) * | 2014-01-16 | 2014-07-09 | 国家电网公司 | Auxiliary device for optical cable laying of power pipeline |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846135B1 (en) * | 2008-04-15 | 2008-07-14 | (주)천도건축사사무소 | High-voltage cable pipeline entry device |
-
2014
- 2014-01-16 CN CN201410019495.2A patent/CN103777299B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461071B1 (en) * | 1997-12-04 | 2002-10-08 | Takayasu Kanemura | Auxiliary tool for cable hauling |
| EP1484828A1 (en) * | 2003-06-02 | 2004-12-08 | IED Industrial Engineering & Design GmbH | Cable chamber for cable ducts or hoses laid underground in a local cable duct network system |
| CN201918672U (en) * | 2010-12-15 | 2011-08-03 | 梁学宏 | Cable tractor |
| CN203705712U (en) * | 2014-01-16 | 2014-07-09 | 国家电网公司 | Auxiliary device for optical cable laying of power pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638727A (en) * | 2019-01-22 | 2019-04-16 | 北京隆昌达电力工程有限公司 | A kind of electric power pipe well cabling cable construction lifting platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103777299A (en) | 2014-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016858B (en) | Glass fiber reinforced polyethylene hollow-wall winding pipe and manufacturing method thereof | |
| CN103777299B (en) | A kind of fiber cable laying servicing unit of power pipe and making and construction method | |
| CN202992427U (en) | Single bell end hollow wall winding pipe and joint thereof | |
| CN203705712U (en) | Auxiliary device for optical cable laying of power pipeline | |
| CN204046115U (en) | The half of pipe cable protection pipe of a kind of fiberglass reinforced plastics | |
| CN202812542U (en) | Double-socket hollow-wall winding pipe joint and connection structure | |
| CN204645422U (en) | Building operations bar splice syndeton | |
| CN201764159U (en) | Fast-assembled pipe fitting | |
| CN203189911U (en) | Pipeline rapid connector | |
| CN102817377A (en) | Double plug pin type fore shaft pipe | |
| CN203929739U (en) | A kind of power pipe defect detecting device | |
| CN203367887U (en) | Cable reinforced type traction head | |
| CN204897034U (en) | But hole enlargement formula plastics drum | |
| CN202625664U (en) | Attaching and connecting plate in tower crane for assembling steel tube tower | |
| CN202091314U (en) | Straight tube butting structure for office furniture | |
| CN203570298U (en) | Cable head flexible weighing rod for annular space logging | |
| CN201380565Y (en) | Pipe orifice connecting internal lock slot forming unit of large bore pipes | |
| CN205188953U (en) | Stress tube stake integrated configuration in advance | |
| CN203039121U (en) | Electric wiring tube | |
| CN201813114U (en) | Quick splicing pipe | |
| CN203925327U (en) | Joint for riser pipe | |
| CN203297835U (en) | Expansion joint | |
| CN103050797B (en) | Power splicing tube | |
| CN204068116U (en) | A kind of communication solid wall pipe | |
| CN201966571U (en) | Shrinkable tube used for cables |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |