CN106451271B - A kind of cable passageway portal structure and its installation method - Google Patents
A kind of cable passageway portal structure and its installation method Download PDFInfo
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- CN106451271B CN106451271B CN201611231425.9A CN201611231425A CN106451271B CN 106451271 B CN106451271 B CN 106451271B CN 201611231425 A CN201611231425 A CN 201611231425A CN 106451271 B CN106451271 B CN 106451271B
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- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 162
- 239000010959 steel Substances 0.000 claims abstract description 162
- 238000003466 welding Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 230000008092 positive effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/085—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using portable tools
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明涉及一种电缆过道桥架结构及其安装方法，属于用电设备技术领域。技术方案是：将电缆（1）敷设在地面（30）下面的电缆沟内，电缆依次穿过公路一侧的基础（2）和电缆保护钢管，敷设到弧形桥架梁（12）的电缆托担（14）上后，继续向上伸出，电缆（1）向上的伸出端依次穿过弯头保护管（24）和保护管二后向下伸出，电缆（1）向下的伸出端再依次穿过公路另一侧的电缆保护钢管和基础（2）后伸入到地面（30）下面的电缆沟内。本发明的积极效果：解决电缆过公路时没有顶管施工作业面或公路下地质不适宜顶管、公路不允许开挖的场所遇到的难题，既不用破坏路面，又不影响交通，具有施工方便，省工省力，施工周期短，费用低等优点。
The invention relates to a cable passage bridge structure and an installation method thereof, belonging to the technical field of electrical equipment. The technical solution is: lay the cable (1) in the cable trench below the ground (30), pass the cable through the foundation (2) and the cable protection steel pipe on the side of the road in turn, and lay it on the cable support of the arc-shaped bridge girder (12) After the bearer (14) is put on, it continues to protrude upwards. The upward protruding end of the cable (1) passes through the elbow protection tube (24) and the second protection tube in turn and then protrudes downwards. The downward protruding end of the cable (1) end passes through the cable protection steel pipe and the foundation (2) on the other side of the road successively and stretches into the cable trench below the ground (30). The positive effect of the present invention is to solve the problems encountered in places where there is no pipe jacking construction work surface when the cable crosses the road, or the geology under the road is not suitable for pipe jacking, and the road does not allow excavation. Convenient, labor-saving, short construction period, low cost and other advantages.
Description
技术领域technical field
本发明涉及一种电缆过道桥架结构及其安装方法，属于用电设备技术领域。The invention relates to a cable passage bridge structure and an installation method thereof, belonging to the technical field of electrical equipment.
背景技术Background technique
以往电缆过道一般采用开挖或顶管的方法，开挖施工周期长，影响交通，费工费力；顶管需要施工作业面大，对道路下面的地质条件要求苛刻，需要避开地下电力、污水、热力、供水、燃气等管道。另外一些流沙、泥石混合土质不适宜顶管，还有些土质根本顶不过去。这就需要探讨一种新的电缆过道结构及电缆过道的方法。In the past, the method of excavation or pipe jacking was generally used for cable passages. The excavation construction period is long, affecting traffic, and laborious; pipe jacking requires a large construction area, and the geological conditions under the road are harsh, and underground power and sewage need to be avoided. , heat, water supply, gas and other pipelines. In addition, some quicksand and mud-rock mixed soils are not suitable for pipe jacking, and some soils cannot be lifted at all. This just needs to explore a kind of new cable tunnel structure and the method of cable tunnel.
发明内容Contents of the invention
本发明的目的是提供一种电缆过道桥架结构及其安装方法，电缆需要跨越公路时，在公路两侧浇注两个水泥基础，水泥基础上通过地脚螺栓安装两个高桥架支撑结构，桥架支撑结构上安装弧形桥架连接结构，电缆通过立柱、电缆爬梯和桥架轻松解决过道难题，这种电缆桥架过道结构和方法既不用破坏路面，又不影响交通，施工方便，省工省力，适用于没有顶管施工作业面或公路下地质顶不了管、公路不允许开挖的场所，解决背景技术存在的上述问题。The purpose of the present invention is to provide a cable passage bridge structure and its installation method. When the cable needs to cross the road, two cement foundations are poured on both sides of the road, and two high bridge support structures are installed on the cement foundation through anchor bolts. The arc-shaped bridge connection structure is installed on the structure, and the cables can easily solve the aisle problem through the columns, cable ladders and bridges. This cable bridge aisle structure and method does not destroy the road surface and does not affect the traffic. The construction is convenient and labor-saving. It is suitable for people without The above-mentioned problems in the background technology are solved in the pipe jacking construction work surface or the places where the geological conditions under the road cannot support the pipe and the road is not allowed to be excavated.
本发明的技术方案是：Technical scheme of the present invention is:
一种电缆过道桥架结构，包含桥架支撑结构和桥架连接结构，所述桥架支撑结构为两个，对称设置在公路的两侧，桥架连接结构为弧形结构，设置在桥架支撑结构的上方，两端固定在两个桥架支撑结构的上端；A cable passageway bridge structure, including a bridge support structure and a bridge connection structure, the bridge support structure is two, symmetrically arranged on both sides of the road, the bridge connection structure is an arc structure, arranged above the bridge support structure, two The end is fixed on the upper end of the two bridge support structures;
所述桥架支撑结构包含基础、地脚螺栓、地脚箍筋、地脚板、立柱、电缆爬梯、连接板、电缆保护钢管和扶管抱箍，所述基础浇注在地面上，基础内设有地脚螺栓，地脚箍筋绑设地脚螺栓上；立柱为四个，两个为一组，每组相互平行设置，四个立柱的底端均焊接在地脚板上，地脚板固定在基础上，立柱的上端设有连接板；电缆爬梯为若干个，垂直固定在相邻两个立柱之间；电缆保护钢管设置在四个立柱之间，底端固定在基础上，电缆保护钢管包含电缆保护钢管一和电缆保护钢管二，电缆保护钢管一和电缆保护钢管二均为半圆形钢管，电缆保护钢管一和电缆保护钢管二外侧均焊有固定螺栓，电缆保护钢管一和电缆保护钢管二通过固定螺栓设置在电缆爬梯上；电缆保护钢管一和电缆保护钢管二通过连接螺栓紧固固定；扶管抱箍设置在电缆保护钢管的外侧，将电缆保护钢管卡在电缆支架上；The supporting structure of the bridge frame includes the foundation, anchor bolts, anchor stirrups, anchor plates, columns, cable ladders, connecting plates, cable protection steel pipes and support pipe hoops. The foundation is cast on the ground, and the foundation is equipped with ground Anchor bolts, anchor stirrups are tied to the anchor bolts; there are four upright columns, two in one group, and each group is set parallel to each other. The bottom ends of the four upright columns are welded on the foundation plate, and the foundation plate is fixed on the foundation , the upper end of the column is provided with a connecting plate; there are several cable ladders, which are vertically fixed between two adjacent columns; the cable protection steel pipe is arranged between the four columns, and the bottom end is fixed on the foundation. The cable protection steel pipe contains the cable protection Steel pipe 1 and cable protection steel pipe 2, cable protection steel pipe 1 and cable protection steel pipe 2 are semicircular steel pipes, cable protection steel pipe 1 and cable protection steel pipe 2 are welded with fixing bolts on the outside, cable protection steel pipe 1 and cable protection steel pipe 2 pass through The fixing bolts are set on the cable ladder; the first cable protection steel pipe and the second cable protection steel pipe are fastened and fixed by the connecting bolts; the support hoop is arranged on the outside of the cable protection steel pipe, and the cable protection steel pipe is clamped on the cable bracket;
所述桥架连接结构包含弧形桥架梁、斜撑二、电缆托担、弯头保护管、保护管二和卡管抱箍，所述弧形桥架梁为四个，四个弧形桥架梁构成空腔的弧形框架，弧形桥架梁的底端通过连接板与立柱的顶端连接，相邻两个弧形桥架梁上设有若干个斜撑二和电缆托担，保护管二设在弧形框架的空腔内，保护管二通过卡管抱箍卡设在电缆托担上；弯头保护管为两个，对称设置在桥架支撑结构与桥架连接结构连接处的内部，弯头保护管一端与电缆保护钢管连接，另一端与保护管二连接。The bridge connection structure includes arc-shaped bridge girders, braces two, cable supports, elbow protection tubes, protection tubes two and clamping hoops. There are four arc-shaped bridge girders, consisting of four arc-shaped bridge girders The arc-shaped frame of the cavity, the bottom end of the arc-shaped bridge girder is connected with the top of the column through the connecting plate, several diagonal braces and cable supports are arranged on the two adjacent arc-shaped bridge girders, and the protective tube two is set on the arc In the cavity of the shaped frame, the second protection tube is clamped on the cable support through the clamping hoop; there are two elbow protection tubes, which are symmetrically arranged inside the connection between the bridge support structure and the bridge connection structure, and the elbow protection tube One end is connected to the cable protection steel pipe, and the other end is connected to the second protection pipe.
所述电缆保护钢管一和电缆保护钢管二的上端均设有钢管管头塑胶一，电缆保护钢管一和电缆保护钢管二的下端均设有钢管管头塑胶二。The upper ends of the cable protection steel pipe 1 and the cable protection steel pipe 2 are provided with the steel pipe head plastic 1, and the lower ends of the cable protection steel pipe 1 and the cable protection steel pipe 2 are provided with the steel pipe head plastic 2.
还包含横梁和横梁斜撑，横梁设置在两个桥架支撑结构之间，通过连接板与位于基础内侧的立柱相连接，横梁上设有若干个横梁斜撑。It also includes crossbeams and crossbeam braces. The crossbeams are arranged between two bridge support structures and connected to the columns located inside the foundation through connecting plates. Several crossbeam braces are arranged on the crossbeams.
所述地脚板通过地脚螺母固定在基础的上。The anchor plate is fixed on the foundation by anchor nuts.
所述电缆保护钢管一的左右两侧均设有连接螺孔一，电缆保护钢管二的左右两侧均设有连接螺孔二，电缆保护钢管一和电缆保护钢管二通过连接螺栓穿过连接螺孔一和连接螺孔二紧固固定。The left and right sides of the cable protection steel pipe 1 are provided with connection screw holes 1, the left and right sides of the cable protection steel pipe 2 are provided with connection screw holes 2, and the cable protection steel pipe 1 and the cable protection steel pipe 2 pass through the connection bolts through the connection bolts. Hole 1 and connecting screw hole 2 are fastened and fixed.
所述连接板通过连接螺栓一和弧形桥架梁连接，通过连接螺栓二与立柱连接。The connecting plate is connected to the arc-shaped bridge girder through the first connecting bolt, and connected to the column through the second connecting bolt.
一种电缆过道桥架结构的安装方法，采用上述电缆过道桥架结构，其安装步骤如下：An installation method of a cable passageway bridge structure adopts the above-mentioned cable passageway bridge structure, and the installation steps are as follows:
第一步，在公路两侧预埋地脚螺栓，地脚螺栓上绑有地脚箍筋，在地脚螺栓的周围浇注基础；The first step is to pre-bury the anchor bolts on both sides of the road, the anchor bolts are tied with anchor stirrups, and the foundation is poured around the anchor bolts;
第二步，取四根立柱，两根一组，每组平行设置，四根立柱底部均焊在地脚板上，四根立柱的顶部分别焊上四个连接板，相邻两个立柱之间焊上若干个电缆爬梯，焊好后，立柱通过地脚板固定在公路一侧的基础上；In the second step, take four uprights, two in a group, and set each group in parallel. The bottoms of the four uprights are all welded to the foundation plate, and the tops of the four uprights are respectively welded with four connecting plates. Several cable ladders are welded, and after welding, the columns are fixed on the foundation on the side of the road through the foundation plate;
第三步，再取四根立柱，两根一组，每组平行设置，四根立柱底部均焊在地脚板上，四根立柱的顶部分别焊上四个连接板，相邻两个立柱之间焊上若干个电缆爬梯，焊好后将立柱通过地脚板固定在公路另一侧的基础上；The third step is to take four more columns, two in a group, and each group is set in parallel. The bottoms of the four columns are welded to the foundation plate, and the tops of the four columns are respectively welded with four connecting plates. Several cable ladders are welded in between, and after welding, the column is fixed on the foundation on the other side of the road through the foundation plate;
第四步，将若干个横梁斜撑焊接在横梁上，然后将横梁焊有若干个横梁斜撑的横梁吊装在位于基础内侧的立柱上；The fourth step is to weld several beam braces to the beam, and then hoist the beam welded with several beam braces on the column located on the inner side of the foundation;
第五步，将斜撑二和电缆托担分别焊接在相邻两个弧形桥架梁上，然后将焊有斜撑二和电缆托担的弧形桥架梁吊装在位于公路两侧的立柱上，弧形桥架梁底端通过连接板与立柱的顶端连接；The fifth step is to weld the second diagonal brace and the cable support to the adjacent two arc-shaped bridge girders, and then hoist the arc-shaped bridge beams welded with the second diagonal brace and the cable support on the columns on both sides of the road , the bottom end of the arc-shaped bridge girder is connected to the top end of the column through the connecting plate;
第六步，将固定螺栓焊接在电缆保护钢管一和电缆保护钢管二的外侧，电缆保护钢管一和电缆保护钢管二的上端粘合钢管管头塑胶一，电缆保护钢管一和电缆保护钢管二的下端粘合钢管管头塑胶二，然后将电缆保护钢管一和电缆保护钢管二用固定螺栓安装在电缆爬梯上；The sixth step is to weld the fixing bolts on the outer sides of the cable protection steel pipe 1 and the cable protection steel pipe 2. The upper ends of the cable protection steel pipe 1 and the cable protection steel pipe 2 are glued to the steel pipe head plastic 1, and the cable protection steel pipe 1 and the cable protection steel pipe 2 are glued together. The lower end is bonded with the steel pipe head plastic 2, and then the cable protection steel pipe 1 and the cable protection steel pipe 2 are installed on the cable ladder with fixing bolts;
第七步，将电缆敷设在地面下面的电缆沟内，电缆穿过公路一侧的基础和电缆保护钢管一，敷设到弧形桥架梁的电缆托担上后，继续向上伸出，将电缆保护钢管二扣在电缆保护钢管一上，通过连接螺栓卡紧，再用扶管抱箍将电缆保护钢管二和电缆保护钢管一固定在电缆爬梯上；The seventh step is to lay the cable in the cable trench under the ground. The cable passes through the foundation on the side of the road and the cable protection steel pipe. The second steel pipe is buckled on the first cable protection steel pipe, clamped by the connecting bolts, and then the second cable protection steel pipe and the first cable protection steel pipe are fixed on the cable ladder with the hoop of the supporting pipe;
第八步，电缆向上的伸出端依次穿过弯头保护管和保护管二后向下伸出，再用卡管抱箍将保护管二卡在在电缆托担上，电缆向下的伸出端再依次穿过公路另一侧的电缆保护钢管一和基础后，伸入到地面下面的电缆沟内，将电缆保护钢管二扣在电缆保护钢管一上，通过连接螺栓卡紧，最后用扶管抱箍将电缆保护钢管二和电缆保护钢管一固定在电缆爬梯上，即完成安装。In the eighth step, the upward protruding end of the cable passes through the elbow protection tube and the second protection tube in turn, and then extends downwards, and then clamps the second protection tube on the cable support with the tube clamp, and the downward extension of the cable After passing through the cable protection steel pipe 1 and the foundation on the other side of the road in turn, the outlet end extends into the cable trench under the ground, buckles the cable protection steel pipe 2 on the cable protection steel pipe 1, and tightens it with the connecting bolts. Use the hoop to fix the cable protection steel pipe two and the cable protection steel pipe one on the cable ladder, and the installation is completed.
本发明的积极效果：解决电缆过公路时没有顶管施工作业面或公路下地质不适宜顶管、公路不允许开挖的场所遇到的难题，既不用破坏路面，又不影响交通，具有施工方便，省工省力，施工周期短，费用低等优点。The positive effect of the present invention is to solve the problems encountered in places where there is no pipe jacking construction work surface when the cable crosses the road, or the geology under the road is not suitable for pipe jacking, and the road does not allow excavation. Convenient, labor-saving, short construction period, low cost and other advantages.
附图说明Description of drawings
图1为本发明结构示意图；Fig. 1 is a structural representation of the present invention;
图中：电缆1、基础2、地脚螺栓3、地脚箍筋4、地脚板5、地脚螺母6、立柱7、电缆爬梯8、连接板9、横梁10、横梁斜撑11、弧形桥架梁12、斜撑二13、电缆托担14、电缆保护钢管一15、电缆保护钢管二16、固定螺栓17、连接螺栓18、连接螺孔一19、连接螺孔二20、扶管抱箍21、钢管管头塑胶一22、钢管管头塑胶二23、弯头保护管24、保护管二25、卡管抱箍26、连接螺栓一27、连接螺栓二28、公路29、地面30。In the figure: cable 1, foundation 2, anchor bolt 3, anchor stirrup 4, anchor plate 5, anchor nut 6, column 7, cable ladder 8, connecting plate 9, beam 10, beam brace 11, arc Bridge girder 12, diagonal brace 2 13, cable support 14, cable protection steel pipe 1 15, cable protection steel pipe 2 16, fixing bolt 17, connecting bolt 18, connecting screw hole 1 19, connecting screw hole 2 20, support pipe hoop 21. Steel pipe head plastic 1 22, steel pipe pipe head plastic 2 23, elbow protection pipe 24, protection pipe 2 25, pipe clamp 26, connecting bolt 1 27, connecting bolt 2 28, road 29, ground 30.
具体实施方式detailed description
下面结合附图和实施例对本发明做进一步的说明：Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
一种电缆过道桥架结构，包含桥架支撑结构和桥架连接结构，所述桥架支撑结构为两个，对称设置在公路29的两侧，桥架连接结构为弧形结构，设置在桥架支撑结构的上方，两端固定在两个桥架支撑结构的上端；A cable passageway bridge structure, including a bridge support structure and a bridge connection structure, the bridge support structure is two, symmetrically arranged on both sides of the road 29, the bridge connection structure is an arc structure, arranged above the bridge support structure, Both ends are fixed on the upper ends of the two bridge support structures;
所述桥架支撑结构包含基础2、地脚螺栓3、地脚箍筋4、地脚板5、立柱7、电缆爬梯8、连接板9、电缆保护钢管和扶管抱箍21，所述基础2浇注在地面30上，基础2内设有地脚螺栓3，地脚箍筋4绑设地脚螺栓3上；立柱7为四个，两个为一组，每组相互平行设置，四个立柱7的底端均焊接在地脚板5上，地脚板5固定在基础2上，立柱7的上端设有连接板9；电缆爬梯为若干个，垂直固定在相邻两个立柱之间；电缆保护钢管设置在四个立柱7之间，底端固定在基础2上，电缆保护钢管包含电缆保护钢管一15和电缆保护钢管二16，电缆保护钢管一15和电缆保护钢管二16均为半圆形钢管，电缆保护钢管一和电缆保护钢管二外侧均焊有固定螺栓17，电缆保护钢管一和电缆保护钢管二通过固定螺栓17设置在电缆爬梯8上；电缆保护钢管一和电缆保护钢管二通过连接螺栓18紧固固定；扶管抱箍21设置在电缆保护钢管的外侧，将电缆保护钢管卡在电缆支架上；The bridge support structure includes a foundation 2, anchor bolts 3, anchor stirrups 4, anchor plates 5, columns 7, cable ladders 8, connecting plates 9, cable protection steel pipes and support hoops 21, and the foundation 2 is cast On the ground 30, the foundation 2 is provided with anchor bolts 3, and the anchor stirrups 4 are bound on the anchor bolts 3; the columns 7 are four, and two are a group, and each group is arranged parallel to each other, and the four columns 7 The bottom ends of each are welded on the anchor plate 5, the anchor plate 5 is fixed on the foundation 2, and the upper end of the column 7 is provided with a connecting plate 9; there are several cable ladders, which are vertically fixed between two adjacent columns; the cable protection steel pipe Set between the four columns 7, the bottom end is fixed on the foundation 2, the cable protection steel pipe includes the cable protection steel pipe 1 15 and the cable protection steel pipe 2 16, the cable protection steel pipe 1 15 and the cable protection steel pipe 2 16 are semicircular steel pipes The outer sides of cable protection steel pipe 1 and cable protection steel pipe 2 are welded with fixing bolts 17, cable protection steel pipe 1 and cable protection steel pipe 2 are set on the cable ladder 8 through fixing bolts 17; cable protection steel pipe 1 and cable protection steel pipe 2 are connected by connecting bolts 18 is fastened and fixed; the support pipe hoop 21 is arranged on the outside of the cable protection steel pipe, and the cable protection steel pipe is clamped on the cable support;
所述桥架连接结构包含弧形桥架梁12、斜撑二13、电缆托担14、弯头保护管24、保护管二25和卡管抱箍26，所述弧形桥架梁12为四个，四个弧形桥架梁12构成空腔的弧形框架，弧形桥架梁12的底端通过连接板9与立柱7的顶端连接，相邻两个弧形桥架梁12上设有若干个斜撑二13和电缆托担14，保护管二25设在弧形框架的空腔内，保护管二25通过卡管抱箍26卡设在电缆托担14上；弯头保护管24为两个，对称设置在桥架支撑结构与桥架连接结构连接处的内部，弯头保护管24一端与电缆保护钢管连接，另一端与保护管二25连接。The bridge connection structure includes arc-shaped bridge beams 12, diagonal braces 13, cable supports 14, elbow protection tubes 24, protection tubes 25 and clamping hoops 26, and there are four arc-shaped bridge beams 12, Four arc-shaped bridge girders 12 form an arc-shaped frame of the cavity, the bottom ends of the arc-shaped bridge girders 12 are connected to the tops of the columns 7 through connecting plates 9, and several diagonal braces are arranged on two adjacent arc-shaped bridge girders 12 The second 13 and the cable support 14, the second protection tube 25 is arranged in the cavity of the arc-shaped frame, the second protection tube 25 is clamped on the cable support 14 through the clamping hoop 26; there are two elbow protection tubes 24, It is arranged symmetrically inside the joint between the bridge support structure and the bridge connection structure. One end of the elbow protection pipe 24 is connected to the cable protection steel pipe, and the other end is connected to the protection pipe 2 25 .
所述电缆保护钢管一15和电缆保护钢管二16的上端均设有钢管管头塑胶一，电缆保护钢管一和电缆保护钢管二的下端均设有钢管管头塑胶二（12）。The upper ends of the cable protection steel pipe one 15 and the cable protection steel pipe two 16 are all provided with a steel pipe head plastic one, and the lower ends of the cable protection steel pipe one and the cable protection steel pipe two are all provided with a steel pipe head plastic two (12).
还包含横梁10和横梁斜撑11，横梁10设置在两个桥架支撑结构之间，通过连接板9与位于基础2内侧的立柱7相连接，横梁10上设有若干个横梁斜撑11。It also includes a crossbeam 10 and a crossbeam brace 11. The crossbeam 10 is arranged between two bridge support structures and is connected to the column 7 inside the foundation 2 through a connecting plate 9. A number of crossbeam braces 11 are arranged on the crossbeam 10.
所述地脚板5通过地脚螺母6固定在基础2的上。The anchor plate 5 is fixed on the foundation 2 by anchor nuts 6 .
所述电缆保护钢管一的左右两侧均设有连接螺孔一19，电缆保护钢管二的左右两侧均设有连接螺孔二20，电缆保护钢管一和电缆保护钢管二通过连接螺栓18穿过连接螺孔一和连接螺孔二紧固固定。The left and right sides of the cable protection steel pipe 1 are all provided with a connection screw hole 19, and the left and right sides of the cable protection steel pipe 2 are all provided with a connection screw hole 2 20, and the cable protection steel pipe 1 and the cable protection steel pipe 2 pass through the connection bolt 18. Fasten and fix through connecting screw hole 1 and connecting screw hole 2.
所述连接板9通过连接螺栓一27和弧形桥架梁12连接，通过连接螺栓二28与立柱连接。The connecting plate 9 is connected to the arc-shaped bridge girder 12 through the first connecting bolt 27 , and connected to the column through the second connecting bolt 28 .
一种电缆过道桥架结构的安装方法，采用上述电缆过道桥架结构，其特征在于如下安装步骤：An installation method of a cable passageway bridge structure adopts the above-mentioned cable passageway bridge structure, and is characterized in that the installation steps are as follows:
第一步，在公路27两侧预埋地脚螺栓3，地脚螺栓上绑有地脚箍筋4，在地脚螺栓3的周围浇注基础2；In the first step, the anchor bolts 3 are pre-embedded on both sides of the road 27, the anchor bolts are tied with anchor stirrups 4, and the foundation 2 is poured around the anchor bolts 3;
第二步，取四根立柱7，两根一组，每组平行设置，四根立柱7底部均焊在地脚板5上，四根立柱7的顶部分别焊上四个连接板9，相邻两个立柱7之间焊上若干个电缆爬梯8，焊好后，立柱7通过地脚板5固定在公路一侧的基础2上；In the second step, four columns 7 are taken in groups of two, and each group is arranged in parallel. The bottoms of the four columns 7 are all welded on the base plate 5, and the tops of the four columns 7 are respectively welded with four connecting plates 9, adjacent to each other. Several cable ladders 8 are welded between the two columns 7. After welding, the columns 7 are fixed on the foundation 2 on one side of the road through the anchor plate 5;
第三步，再取四根立柱7，两根一组，每组平行设置，四根立柱7底部均焊在地脚板5上，四根立柱7的顶部分别焊上四个连接板9，相邻两个立柱7之间焊上若干个电缆爬梯8，焊好后将立柱7通过地脚板5固定在公路另一侧的基础2上；The third step is to get four columns 7 again, two in one group, each group is arranged in parallel, the bottoms of the four columns 7 are all welded on the base plate 5, and the tops of the four columns 7 are respectively welded with four connecting plates 9, corresponding to each other. A plurality of cable ladders 8 are welded between two adjacent columns 7, and after welding, the columns 7 are fixed on the foundation 2 on the other side of the road through the anchor plate 5;
第四步，将若干个横梁斜撑11焊接在横梁10上，然后将横梁焊有若干个横梁斜撑11的横梁10吊装在位于基础2内侧的立柱7上；In the fourth step, several beam braces 11 are welded on the beam 10, and then the beam 10 welded with several beam braces 11 is hoisted on the column 7 located inside the foundation 2;
第五步，将若干个斜撑二13和电缆托担14分别焊接在相邻两个弧形桥架梁12上，然后将焊有斜撑二13和电缆托担14的弧形桥架梁12吊装在位于公路两侧的立柱7上，弧形桥架梁12底端通过连接板9与立柱7的顶端连接；The fifth step is to weld several diagonal braces 13 and cable supports 14 to two adjacent arc-shaped bridge girders 12 respectively, and then hoist the arc-shaped bridge beams 12 welded with diagonal braces 13 and cable supports 14 On the columns 7 located on both sides of the road, the bottom end of the curved bridge girder 12 is connected to the top of the column 7 through the connecting plate 9;
第六步，将固定螺栓17焊接在电缆保护钢管一15和电缆保护钢管二16的外侧，电缆保护钢管一15和电缆保护钢管二16的上端粘合钢管管头塑胶一22，电缆保护钢管一15和电缆保护钢管二16的下端粘合钢管管头塑胶二23，然后将电缆保护钢管一15和电缆保护钢管二16用固定螺栓17安装在电缆爬梯8上；The sixth step is to weld the fixing bolt 17 on the outer side of the cable protection steel pipe 15 and the cable protection steel pipe 2 16, the upper ends of the cable protection steel pipe 15 and the cable protection steel pipe 2 16 are glued to the steel pipe head plastic 1 22, and the cable protection steel pipe 1 15 and the lower end of the cable protection steel pipe 2 16 are glued to the steel pipe head plastic 2 23, and then the cable protection steel pipe 1 15 and the cable protection steel pipe 2 16 are installed on the cable ladder 8 with fixing bolts 17;
第七步，将电缆1敷设在地面30下面的电缆沟内，电缆1穿过公路一侧的基础2和电缆保护钢管一15，敷设到弧形桥架梁12的电缆托担14上后，继续向上伸出，将电缆保护钢管二16扣在电缆保护钢管一15上，通过连接螺栓18卡紧，再用扶管抱箍21将电缆保护钢管二16和电缆保护钢管一15固定在电缆爬梯8上；The seventh step is to lay the cable 1 in the cable trench below the ground 30, the cable 1 passes through the foundation 2 and the cable protection steel pipe 15 on one side of the road, and after laying on the cable support 14 of the arc-shaped bridge girder 12, continue Stretch out upwards, buckle the cable protection steel pipe 2 16 on the cable protection steel pipe 1 15, fasten it through the connecting bolt 18, and then use the support pipe hoop 21 to fix the cable protection steel pipe 2 16 and the cable protection steel pipe 1 15 on the cable ladder 8 superior;
第八步，电缆1向上的伸出端依次穿过弯头保护管24和保护管二后向下伸出，再用卡管抱箍26将保护管二卡在在电缆托担14上，电缆1向下的伸出端再依次穿过公路另一侧的电缆保护钢管一15和基础2后伸入到地面30下面的电缆沟内，将电缆保护钢管二16扣在电缆保护钢管一15上，通过连接螺栓18卡紧，最后用扶管抱箍21将电缆保护钢管二16和电缆保护钢管一15固定在电缆爬梯8上，即完成安装。In the eighth step, the upward protruding end of the cable 1 passes through the elbow protection tube 24 and the protection tube 2 in turn, and then extends downwards, and then uses the clamping hoop 26 to clamp the protection tube 2 on the cable support 14, and the cable 1 The downward protruding end passes through the cable protection steel pipe 15 and the foundation 2 on the other side of the road in turn, and then extends into the cable trench below the ground 30, and buckles the cable protection steel pipe 16 on the cable protection steel pipe 15 , clamped by the connecting bolt 18, and finally the cable protection steel pipe two 16 and the cable protection steel pipe one 15 are fixed on the cable ladder 8 with the support pipe hoop 21, and the installation is completed.
所述基础2为长80cm、宽40cm、高120cm的混凝土基础，分别浇注在公路29的两侧，在每个基础内预埋两根地脚螺栓3；所述地脚螺栓为直径18mm圆钢，地脚箍筋的直径为6mm；所述立柱7为直径10cm钢管，高度为6米；所述地脚板为长60cm、宽30cm、厚5mm的铁板，按照地脚螺栓尺寸开孔打眼，焊接在立柱底部；所述连接板为长15cm的正方形铁板，按照设计尺寸焊有连接螺栓18，连接板9为四块，分别焊在四个立柱顶部；所述电缆保护钢管为直径200mm的钢管，在电缆保护钢管的中分线上将其割成两半，其中一半为电缆保护钢管一15，另一半为电缆保护钢管二16；在电缆保护钢管一的管皮中心上下两端焊上固定螺栓17，左右两端焊有连接螺孔一19；在电缆保护钢管二4的管皮中心上下两端焊上固定螺栓17，左右两端焊有与连接螺孔一19相对应的连接螺孔二20；连接螺栓18穿过连接螺孔一19和连接螺孔二20将电缆保护钢管一3和电缆保护钢管二4紧固在一起。所述钢管管头塑胶一11和钢管管头塑胶二12是在电缆保护钢管一3和电缆保护钢管二4管头沾和的一种塑料制品，起到保护电缆1不被管头卡伤作用。The foundation 2 is a concrete foundation with a length of 80cm, a width of 40cm, and a height of 120cm, which are respectively poured on both sides of the road 29, and two anchor bolts 3 are pre-embedded in each foundation; the anchor bolts are round steel with a diameter of 18mm. , the diameter of the anchor stirrups is 6mm; the column 7 is a steel pipe with a diameter of 10cm, and the height is 6 meters; the anchor plate is an iron plate with a length of 60cm, a width of 30cm, and a thickness of 5mm, which is perforated according to the size of the anchor bolts, Welded at the bottom of the column; the connecting plate is a square iron plate with a length of 15cm, and the connecting bolt 18 is welded according to the design size, and the connecting plate 9 is four pieces, which are respectively welded on the top of the four columns; the cable protection steel pipe is a 200mm in diameter Steel pipe, cut it into two halves on the center line of the cable protection steel pipe, one half of which is the cable protection steel pipe 15, and the other half is the cable protection steel pipe 2 16; weld the upper and lower ends of the center of the cable protection steel pipe Fixed bolt 17, the left and right ends are welded with connection screw hole one 19; The upper and lower ends of the pipe skin center of cable protection steel pipe 24 are welded with fixed bolt 17, and the left and right ends are welded with connection screw hole one 19 corresponding connection screw Hole two 20; the connecting bolt 18 passes through the connecting screw hole one 19 and the connecting screw hole two 20 to fasten the cable protection steel pipe one 3 and the cable protection steel pipe two 4 together. The steel pipe head plastic 11 and the steel pipe head plastic 2 12 are a kind of plastic products that are mixed with the cable protection steel pipe 1 3 and the cable protection steel pipe 2 4 pipe heads to protect the cable 1 from being stuck by the pipe head. .
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