CN210669447U - Suspension protection truss for 10KV high-voltage cable crossing deep foundation pit - Google Patents
Suspension protection truss for 10KV high-voltage cable crossing deep foundation pit Download PDFInfo
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- CN210669447U CN210669447U CN201921839863.2U CN201921839863U CN210669447U CN 210669447 U CN210669447 U CN 210669447U CN 201921839863 U CN201921839863 U CN 201921839863U CN 210669447 U CN210669447 U CN 210669447U
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Abstract
The utility model discloses a 10KV high tension cable spanes deep and large foundation ditch and suspends protection truss in midair, including last chord member, first chord member and perpendicular web member, the bottom welding of last chord member has perpendicular web member, and the one end fixed welding of perpendicular web member has first chord member, one side fixedly connected with connecting rod of first chord member, the one end fixedly connected with second chord member of connecting rod, and the fixed surface welding of second chord member has left oblique web member. This 10KV high tension cable crosses deep basal pit and suspends protection truss in midair, the triangle-shaped steel truss that adopts the steel pipe to weld becomes, for the simply supported truss of beam type, this kind of truss atress is clear and definite, member internal force does not receive support settlement and temperature variation's influence, simple structure, high durability and convenient installation, the problem of the protection of suspending in midair that important pipeline crossed deep basal pit can fine solution, it is light to have the structure dead weight, bending resistance is strong, the atress is stable, the span is big, advantages such as wholeness is good and economy, the device has succeeded in having solved the pipeline that can't move the change and has crossed deep basal pit problem.
Description
Technical Field
The utility model relates to a cable protection device technical field specifically is a 10KV high tension cable spanes deep basal pit and suspends protection truss in midair.
Background
In engineering construction, due to construction period, construction cost, civil life and other main faces, pipelines which cannot be moved and changed often need to cross foundation pits.
Prior art adopts to increase in the middle of the foundation ditch support system or both ends more and increases in the middle of the stand cooperation and draw wire rope directly to hang and be the main, has very big limitation, if have deep big foundation ditch, it is uneconomical from the foundation ditch bottom with supporting, if both sides space is limited, adopt the scheme that increases stand cooperation wire rope at both ends shortcoming such as difficult implementation, consequently the utility model provides a 10KV high tension cable spanes deep big foundation ditch suspension protection truss.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a 10KV high tension cable spanes deep basal pit and suspends protection truss in midair has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a 10KV high tension cable crosses deep basal pit and suspends protection truss in midair, includes chord member, first lower chord member and erects the web member, the bottom welding of chord member has perpendicular web member, the fixed welding of one end of perpendicular web member has first lower chord member, one side fixedly connected with connecting rod of first lower chord member, the one end fixedly connected with second lower chord member of connecting rod, the fixed surface welding of second lower chord member has left diagonal web member, the fixed surface welding of first lower chord member has right diagonal web member.
Optionally, the surfaces of the upper chord, the first lower chord and the second lower chord are all provided with waterproof insulating layers.
Optionally, the upper surface of the connecting rod is fixedly connected with a cable duct bank.
Optionally, the upper chord, the first lower chord and the second lower chord are all phi 219 × 8mm steel pipes, and the material of the steel pipes is Q235B.
Optionally, the vertical web member, the left diagonal web member and the right diagonal web member are all phi 108 × 6mm, and are made of Q235B.
(III) advantageous effects
The utility model provides a 10KV high tension cable spanes deep basal pit and suspends protection truss in midair possesses following beneficial effect:
1. this 10KV high tension cable crosses deep basal pit and suspends protection truss in midair, the triangle-shaped steel truss that adopts the steel pipe to weld becomes, for the simply supported truss of beam type, this kind of truss atress is clear and definite, member internal force does not receive support settlement and temperature variation's influence, simple structure, high durability and convenient installation, the problem of the protection of suspending in midair that important pipeline crossed deep basal pit can fine solution, it is light to have the structure dead weight, bending resistance is strong, the atress is stable, the span is big, advantages such as wholeness is good and economy, the device has succeeded in having solved the pipeline that can't move the change and has crossed deep basal pit problem.
2. The 10KV high-voltage cable crosses the suspension protection truss of the deep foundation pit, the steel truss girder combines the advantages of steel and a truss structure, the device utilizes the advantages, the integrity and the bearing capacity of the steel truss girder are high, and suspension protection of the large foundation pit with the width of 47m and the depth of 20m by three 10KV high-voltage wires is successfully realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the upper chord of the present invention;
FIG. 3 is a schematic view of the right diagonal web member of the present invention;
FIG. 4 is a schematic view of a welding structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a welding structure at B in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of a welding structure at C of FIG. 3 according to the present invention;
fig. 7 is a schematic view of the first lower chord of the present invention.
In the figure: 1. an upper chord; 2. a first lower chord; 3. a vertical web member; 4. a left diagonal web member; 5. a right diagonal web member; 6. a connecting rod; 7. a second lower chord; 8. cable bank-pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 7, the present invention provides a technical solution: a10 KV high-voltage cable suspension protection truss crossing a deep foundation pit comprises an upper chord 1, a first lower chord 2 and vertical web members 3, wherein the vertical web members 3 are welded at the bottom of the upper chord 1, the first lower chord 2 is fixedly welded at one end of each vertical web member 3, a connecting rod 6 is fixedly connected to one side of each first lower chord 2, the device successfully solves the problem that a pipeline which cannot be changed crosses the deep foundation pit, a second lower chord 7 is fixedly connected to one end of each connecting rod 6, a left inclined web member 4 is fixedly welded on the surface of each second lower chord 7, a steel truss girder is combined with the advantages of steel and a truss structure, the device is high in integrity and bearing capacity by adopting the steel truss girder, the problem that three 10KV high-voltage cables cross a large foundation pit with the width of 47m and the depth of 20m is successfully solved, a right inclined web member 5 is fixedly welded on the upper surface of each first lower chord 2, the upper chord 1, the lower chord, The surfaces of the first lower chord 2 and the second lower chord 7 are respectively provided with a waterproof insulating layer, in order to achieve the waterproof and anti-leakage effects of the device, the waterproof insulating layers are arranged, the upper surface of the connecting rod 6 is fixedly connected with a cable duct 8, the upper chord 1, the first lower chord 2 and the second lower chord 7 are all phi 219 x 8mm steel pipes, exposed ends of all the steel pipes need to be sealed, the exposed ends of all the steel pipes need to be sealed, and the material of the steel pipes is Q235B, and the vertical web members 3, the left oblique web members 4 and the right oblique web members 5 are phi 108 x 6mm and are Q235B;
the triangular steel truss welded by the steel pipes is a beam type simply supported truss, the truss is stressed clearly, the internal force of the rod piece is not influenced by support settlement and temperature change, the truss is simple in structure and convenient to install, the suspension protection problem that an important pipeline spans a deep foundation pit can be well solved, and the truss has the advantages of light self weight, strong bending resistance, stable stress, large span, good integrity, economy and the like.
As an optimal technical solution of the utility model: the inside of cable duct bank 8 is equipped with the rubber pad, appears damaged condition when preventing to alternate the cable and takes place.
In conclusion, when the 10KV high-voltage cable suspension protection truss spanning deep and large foundation pits is used, a triangular steel truss welded by steel pipes is adopted and is a beam type simply-supported truss, the truss is stressed clearly, the internal force of a rod piece is not influenced by support settlement and temperature change, the structure is simple, the installation is convenient, the suspension protection problem that an important pipeline spans the deep and large foundation pits can be well solved, and the device has the advantages of light self weight, strong bending resistance, stable stress, large span, good integrity, economy and the like.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a 10KV high tension cable crosses deep basal pit and suspends protection truss in midair, includes chord member (1), first chord member (2) and erects web member (3), its characterized in that: the welding of the bottom of going up chord (1) has perpendicular web member (3), the one end fixed welding of perpendicular web member (3) has first chord member (2) down, one side fixedly connected with connecting rod (6) of first chord member (2), one end fixedly connected with second chord member (7) of connecting rod (6), the fixed surface welding of second chord member (7) has left diagonal web member (4), the last fixed surface welding of first chord member (2) has right diagonal web member (5).
2. The 10KV high-voltage cable suspension protection truss spanning deep and large foundation pits according to claim 1, wherein: and waterproof insulating layers are arranged on the surfaces of the upper chord (1), the first lower chord (2) and the second lower chord (7).
3. The 10KV high-voltage cable suspension protection truss spanning deep and large foundation pits according to claim 1, wherein: the upper surface of the connecting rod (6) is fixedly connected with a cable duct bank (8).
4. The 10KV high-voltage cable suspension protection truss spanning deep and large foundation pits according to claim 1, wherein: and the upper chord (1), the first lower chord (2) and the second lower chord (7) are all phi 219-8 mm steel pipes and are made of Q235B.
5. The 10KV high-voltage cable suspension protection truss spanning deep and large foundation pits according to claim 1, wherein: the vertical web members (3), the left oblique web members (4) and the right oblique web members (5) are all phi 108 x 6mm and are made of Q235B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839863.2U CN210669447U (en) | 2019-10-30 | 2019-10-30 | Suspension protection truss for 10KV high-voltage cable crossing deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839863.2U CN210669447U (en) | 2019-10-30 | 2019-10-30 | Suspension protection truss for 10KV high-voltage cable crossing deep foundation pit |
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| Publication Number | Publication Date |
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| CN210669447U true CN210669447U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921839863.2U Active CN210669447U (en) | 2019-10-30 | 2019-10-30 | Suspension protection truss for 10KV high-voltage cable crossing deep foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962664A (en) * | 2021-01-29 | 2021-06-15 | 中冶东方工程技术有限公司 | Overhead cable corridor with steel pipe truss structure |
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2019
- 2019-10-30 CN CN201921839863.2U patent/CN210669447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962664A (en) * | 2021-01-29 | 2021-06-15 | 中冶东方工程技术有限公司 | Overhead cable corridor with steel pipe truss structure |
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