CN216929540U - Migration-free multilayer cable pipeline protection bridge - Google Patents
Migration-free multilayer cable pipeline protection bridge Download PDFInfo
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- CN216929540U CN216929540U CN202220755464.3U CN202220755464U CN216929540U CN 216929540 U CN216929540 U CN 216929540U CN 202220755464 U CN202220755464 U CN 202220755464U CN 216929540 U CN216929540 U CN 216929540U
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Abstract
The utility model discloses a migration-free multilayer cable pipeline protection bridge, wherein a bridge body is fixedly arranged above a supporting structure; more than two cable supports are transversely and fixedly arranged in the steel truss, more than two stop blocks are uniformly and fixedly arranged on each cable support, clamping grooves are formed between adjacent stop blocks on the same cable support, an HDPE (high-density polyethylene) pipe is fixedly arranged in each clamping groove, square steel sheets are fixedly arranged on four corners of the bottom of the steel truss, and anchor rib holes are formed in the square steel sheets; the concrete cushion is poured on the foundation, the foundation is fixedly connected with the concrete cushion, more than two anchor bars are pre-embedded in the top of the foundation, two rows of steel sheet piles are arranged below the steel truss, and the two rows of steel sheet piles are symmetrically arranged along the middle point of the steel truss. In the utility model, during construction, the original pipeline can be protected by erecting the supporting structure, so that the pipeline does not need to be moved to other positions, the construction efficiency is greatly improved, the construction cost is saved, and the economic benefit and the social benefit are obvious.
Description
Technical Field
The utility model relates to the technical field of power engineering, in particular to a migration-free multilayer cable pipeline protection bridge.
Background
With the development and construction of cities, cable pipelines are often buried in the ground in order to beautify the environment and reduce the influence of overhead transmission lines on the urban environment. Because city underground cable pipeline distributes the complicacy complicatedly, when construction unit carries out new pipeline construction, is subject to existing pipeline, and the construction degree of difficulty is great, takes place alternately conflict with existing pipeline easily, under the circumstances of guaranteeing novel utility tunnel construction, need consider protecting existing pipeline. The protection mode commonly used at present is to change the existing pipeline during construction, but the change needs more time, and the construction period is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the time spent for replacement is long, and the construction period is seriously influenced. In order to overcome the defects of the prior art, the utility model provides the migration-free multilayer cable pipeline protection bridge, and during construction, the original pipeline can be protected by erecting a supporting structure, so that the pipeline does not need to be moved to other positions, the construction efficiency is greatly improved, the construction cost is saved, and the economic benefit and the social benefit are obvious.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a migration-free multilayer cable pipeline protection bridge, which comprises a bridge body and a supporting structure, wherein the bridge body is fixedly arranged above the supporting structure;
the bridge frame body comprises a steel truss, cable supports, stop blocks, HDPE (high-density polyethylene) pipes and square steel sheets, wherein more than two cable supports are transversely and fixedly arranged in the steel truss, more than two stop blocks are uniformly and fixedly arranged on each cable support, a clamping groove is formed between adjacent stop blocks on the same cable support, one HDPE pipe is fixedly arranged in each clamping groove, the square steel sheets are fixedly arranged on four corners of the bottom of the steel truss, and anchor rib holes are formed in the square steel sheets;
supporting construction includes basis, concrete cushion, dowel and steel sheet pile, and the steel truss both ends all are provided with the basis, and the concrete cushion is pour on the ground, and basis and concrete cushion fixed connection, and the basis top is still pre-buried has the dowel more than two, and the steel truss below is provided with two rows of steel sheet piles, and two rows of steel sheet piles along steel truss mid point symmetrical arrangement.
In a preferred technical scheme of the utility model, the steel truss is a rectangular frame formed by splicing more than two angle steels.
In a preferred technical scheme of the utility model, the thickness of the concrete cushion layer is 10 cm.
In a preferred technical scheme of the utility model, the anchor bars are fixedly connected with the square steel sheets through fastening nuts.
In a preferred technical scheme of the utility model, steel pipe supports are transversely arranged between two rows of steel sheet piles, the I-shaped steel purlins are fixedly arranged on the inner sides of the steel sheet piles, and two ends of each steel pipe support are fixedly connected with one I-shaped steel purlin.
In a preferred technical scheme of the utility model, a steel corbel is further arranged below the I-shaped steel purlin, one end of the steel corbel is fixedly arranged on the inner side of the steel sheet pile, and the other end of the steel corbel is fixedly arranged at the bottom of the I-shaped steel purlin.
The utility model has the beneficial effects that:
1. during construction, the original pipeline can be protected by erecting the supporting structure, so that the pipeline does not need to be moved to other positions, the construction efficiency is greatly improved, the construction cost is saved, and the economic benefit and the social benefit are obvious.
2. The device has the advantages of simple structure, convenient construction, small occupied area, less influence from the external environment, safety and reliability, and the cable protection bridge is laid underground.
Drawings
FIG. 1 is a schematic structural diagram of a migration-free multi-layer cable pipeline protection bridge according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged schematic view at B in FIG. 3;
fig. 5 is a left side view of the bridge body of fig. 1.
In the figure:
1. a bridge frame body; 11. a steel truss; 12. angle steel; 13. a cable holder; 14. a stopper; 15. a HDPE pipe; 16. square steel sheets; 17. a card slot; 18. an anchor bar hole; 2. a support structure; 21. a foundation; 22. a concrete cushion; 23. anchoring ribs; 24. steel sheet piles; 25. supporting the steel pipe; 26. i-shaped steel enclosing purlin; 27. steel corbels; 3. a foundation; 4. fastening a nut; 5. utility tunnel.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-5, in an embodiment, there is provided a migration-free multi-layer cable pipeline protection bridge, including a bridge body 1 and a supporting structure 2, where the bridge body 1 is fixed above the supporting structure 2;
the bridge frame body 1 comprises a steel truss 11, cable supports 13, stop blocks 14, HDPE (high-density polyethylene) pipes 15 and square steel sheets 16, wherein more than two cable supports 13 are transversely and fixedly arranged in the steel truss 11, more than two stop blocks 14 are uniformly and fixedly arranged on each cable support 13, clamping grooves 17 are formed between adjacent stop blocks 14 on the same cable support 13, one HDPE pipe 15 is fixedly arranged in each clamping groove 17, the square steel sheets 16 are fixedly arranged at four corners of the bottom of the steel truss 11, and anchor rib holes 18 are formed in the square steel sheets 16;
supporting construction 2 includes basis 21, concrete cushion 22, anchor bar 23 and steel sheet pile 24, and 11 both ends of steel truss all are provided with basis 21, and concrete cushion 22 pours on ground 3, and basis 21 and concrete cushion 22 fixed connection, and the basis 21 top is still pre-buried has two or more anchor bars 23, and 11 below of steel truss is provided with two rows of steel sheet piles 24, and two rows of steel sheet piles 24 along 11 mid point symmetrical arrangement of steel truss.
In this embodiment, the bridge body 1 and the supporting structure 2 are both buried underground. From the top down has set gradually four layers of cable support 13 in the steel truss 11 to separate into four cable installation spaces that the size is the same with steel truss 11 internal partitioning, the interval of adjacent two-layer cable support 13 is 250mm, be provided with 6 HDPE pipe 15 in the cable installation space, cable mounting is in HDPE pipe 15, utilize the higher advantage of 15 intensity of HDPE pipe, can prevent effectively that the cable line is overweight and produce the deformation, thereby the life of cable has been prolonged by a wide margin. Dog 14 is the hexagon structure, and it is through welded mode and cable support 13 fixed connection, and convenient operation all welds 5 hexagonal dogs 14 on every layer of cable support 13, and wherein, dog 14's size is 70mm wide, 130mm wide down, goes up 30mm high and 40mm high down. The size of the square steel sheet 16 is 350 x 250mm, the square steel sheet 16 is fixed at the bottom of the steel truss 11 in a welding mode, 4 anchor bar holes 18 are respectively arranged at four corners of the square steel sheet 16, the diameter of each anchor bar hole 18 is 24mm, and the anchor bar holes 18 are in splicing fit with the anchor bars 23. The concrete cushion 22 is made of a concrete material with the strength grade of C15 and is directly poured on the foundation 3, and the foundation 21 is poured on the concrete cushion 22 after the concrete cushion 22 is solidified, so that the connection strength among the foundation 21, the concrete cushion 22 and the foundation 3 is ensured. The foundation 21 is provided with anchor bar holes with the diameter of 24mm, and the anchor bars 23 are pre-embedded in the anchor bar holes. The steel sheet pile 24 is IV type steel sheet pile, and two rows of steel sheet pile 24 symmetries set up in utility tunnel 5's both sides, and steel sheet pile 24 highly is higher than utility tunnel 5 to protect utility tunnel 5's purpose during the construction.
Specifically, the steel truss 11 is a rectangular frame formed by splicing two or more angle steels 12. In this embodiment, the angle steel 12 includes three different types, i.e., an a type, a B type, and a C type, wherein the size of the a type angle steel is L125 × 12mm, the size of the B type angle steel is L63 × 6mm, and the size of the C type angle steel is L56 × 6 mm. A type angle steel sets up on four angles of rectangle framework, all welds through C shape angle steel between two A type angle steel of left side and right side both sides, all passes through B shape angle steel welded fastening between two A type angle steel of upper end and lower extreme.
Specifically, the concrete pad 22 is 10cm thick. In this embodiment, the cross-sectional area of concrete pad 22 should be greater than the cross-sectional area of foundation 21, and by providing concrete pad 22, it is possible to prevent cable lines from being excessively heavy, causing foundation 21 to crush foundation 3.
Specifically, the anchor bar 23 is fixedly connected with the square steel sheet 16 through the fastening nut 4. In this embodiment, the fastening nut 4 is connected to the anchor bar 23 by a thread, so that the constructor can weld the steel truss 11 in advance, and mount the steel truss 11 on the foundation 21 when the construction is completed, thereby improving the construction speed.
Specifically, steel pipe supports 25 are transversely arranged between two rows of steel sheet piles 24, an i-shaped steel purlin 26 is fixedly arranged on the inner side of each steel sheet pile 24, and two ends of each steel pipe support 25 are fixedly connected with one i-shaped steel purlin 26. In this embodiment, the h-shaped steel purlin 26 is a double-spliced 45c h-shaped steel, and has a width of 70cm and a height of 47.4 cm. The I-steel purlin 26 is arranged between the two steel sheet piles 24 and used for limiting the steel sheet piles 24 and preventing the steel sheet piles 24 from moving inwards due to the fact that soil is influenced by thrust. The steel pipe supports 25 are used for supporting the I-shaped steel purlin 26, and the overall strength of the device is improved.
Specifically, a steel bracket 27 is further arranged below the h-shaped steel purlin 26, one end of the steel bracket 27 is fixedly arranged on the inner side of the steel sheet pile 24, and the other end of the steel bracket 27 is fixedly arranged at the bottom of the h-shaped steel purlin 26. In this embodiment, the steel bracket 27 plays a role of assisting in supporting the h-shaped steel purlin 26, the steel bracket 27 is a triangular support formed by splicing two L80 × 8@1000 type expansion pipes and two steel rib plates, one of the steel rib plates is welded on the inner side of the steel sheet pile 24, and the other steel rib plate is welded at the bottom of the working steel purlin 26.
The embodiment also provides a construction method for the cable pipeline protection bridge, which specifically comprises the following steps:
step 1, building a foundation pit support. Driving IV-shaped steel sheet piles on two sides of the comprehensive pipe gallery foundation pit, welding I-shaped steel purlins 26 on the inner sides of the steel sheet piles 24, reinforcing the steel sheet piles 24, and fixedly connecting the two I-shaped steel purlins 24 through steel pipe supports 25;
and 2, assembling the steel truss. According to actual construction requirements, constructors firstly use angle steel 12 to weld a steel truss 11 with the size of 13000 x 1300 x 1100mm, then weld square steel sheets 16 on four corners of the bottom of the steel truss 11, finally weld four layers of cable brackets 13 inside the steel truss 11, weld a stop block 14 on each layer of cable bracket 13 to form a clamping groove 17 capable of containing HDPE pipes 15, and strictly weld according to a welding sequence during welding to reduce welding residual stress and take measures to eliminate the residual stress;
and 3, erecting the HDPE pipe. After the bridge frame is installed to meet the design requirements, erecting HDPE pipes 15 with the diameter of 160mm on each layer of cable support 13, and fixing the HDPE pipes 15 by utilizing the clamping grooves 17 to prevent the HDPE pipes from displacing;
and 4, constructing the cushion layer. Pouring a construction concrete cushion 22 on the foundation 3, so that the concrete cushion 22 is positioned in the middle layer of the foundation 21 and the foundation 3, and the mixing proportion, raw material metering, stirring, maintenance and construction joint treatment of concrete strictly conform to the design and specification requirements;
and 5, constructing the foundation. After the concrete cushion layer 22 reaches the strength required by design, construction of the foundation 21 is carried out, four anchor bar holes 18 are preset on the foundation 21, the positions of the anchor bar holes 18 are determined by measurement lofting according to a design drawing, the hole site positions and the verticality of the anchor bar holes 18 are ensured, anchor bars 23 are pre-buried during construction of the foundation 21, when the anchor bars 23 are buried, the steel bars and mortar are tightly combined, and the mortar in the holes has enough strength.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not intended to be limited to the specific embodiments disclosed herein, but other embodiments falling within the scope of the appended claims are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a multilayer cable pipeline protection crane span structure exempts from to migrate which characterized in that: the bridge frame comprises a bridge frame body (1) and a supporting structure (2), wherein the bridge frame body (1) is fixedly arranged above the supporting structure (2);
the bridge frame body (1) comprises a steel truss (11), more than two cable supports (13) transversely fixed inside the steel truss (11), more than two stop dogs (14) uniformly fixed on each cable support (13), clamping grooves (17) formed between adjacent stop dogs (14) on the same cable support (13), one HDPE pipe (15) fixedly arranged in each clamping groove (17), square steel sheets (16) fixedly arranged on four corners at the bottom of the steel truss (11), and anchor rib holes (18) formed in the square steel sheets (16);
supporting construction (2) are including basis (21), concrete bed course (22), dowel (23) and steel sheet pile (24), steel truss (11) both ends all are provided with basis (21), concrete bed course (22) are pour on ground (3), and basis (21) and concrete bed course (22) fixed connection, foundation (21) top is still pre-buried has dowel (23) more than two, steel truss (11) below is provided with two rows of steel sheet piles (24), and two rows of steel sheet piles (24) are along steel truss (11) mid point symmetrical arrangement.
2. The migration-free multilayer cable pipeline protection bridge of claim 1, wherein: the steel truss (11) is a rectangular frame body formed by splicing more than two angle steels (12).
3. The migration-free multilayer cable pipeline protection bridge of claim 1, wherein: the thickness of the concrete cushion (22) is 10 cm.
4. The migration-free multilayer cable pipeline protection bridge of claim 1, wherein: the anchor bars (23) are fixedly connected with the square steel sheets (16) through fastening nuts (4).
5. The migration-free multilayer cable pipeline protection bridge of claim 1, wherein: and a steel pipe support (25) is transversely arranged between the two rows of steel sheet piles (24), an I-shaped steel surrounding purlin (26) is fixedly arranged on the inner side of each steel sheet pile (24), and both ends of each steel pipe support (25) are fixedly connected with one I-shaped steel surrounding purlin (26).
6. The migration-free multilayer cable pipeline protection bridge of claim 5, wherein: and a steel bracket (27) is further arranged below the I-shaped steel surrounding purlin (26), one end of the steel bracket (27) is fixedly arranged on the inner side of the steel sheet pile (24), and the other end of the steel bracket (27) is fixedly arranged at the bottom of the I-shaped steel surrounding purlin (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755464.3U CN216929540U (en) | 2022-04-02 | 2022-04-02 | Migration-free multilayer cable pipeline protection bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755464.3U CN216929540U (en) | 2022-04-02 | 2022-04-02 | Migration-free multilayer cable pipeline protection bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216929540U true CN216929540U (en) | 2022-07-08 |
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ID=82229108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220755464.3U Active CN216929540U (en) | 2022-04-02 | 2022-04-02 | Migration-free multilayer cable pipeline protection bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216929540U (en) |
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2022
- 2022-04-02 CN CN202220755464.3U patent/CN216929540U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Huan Inventor after: Huang Jianxiong Inventor after: Mai Yubo Inventor after: Zhong Biyuan Inventor after: Lin Junxiang Inventor after: Yan Jun Inventor after: Guo Xiaodong Inventor after: Yang Jianfei Inventor after: Long Teng Inventor after: Pang Xin Inventor before: Liang Huan Inventor before: Huang Jianxiong Inventor before: Mai Yubo Inventor before: Zhong Biyuan Inventor before: Lin Junxiang Inventor before: Yan Jun Inventor before: Guo Xiaodong Inventor before: Yang Jianfei Inventor before: Long Teng Inventor before: Pang Xin |
|
| CB03 | Change of inventor or designer information |