CN111119228A - Electricity-proof insulating device for subway construction under high-voltage line - Google Patents
Electricity-proof insulating device for subway construction under high-voltage line Download PDFInfo
- Publication number
- CN111119228A CN111119228A CN202010027987.1A CN202010027987A CN111119228A CN 111119228 A CN111119228 A CN 111119228A CN 202010027987 A CN202010027987 A CN 202010027987A CN 111119228 A CN111119228 A CN 111119228A
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- China
- Prior art keywords
- bearing platform
- electricity
- steel
- proof insulating
- voltage line
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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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
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention relates to the technical field of building construction, in particular to an electricity-proof insulating device for subway construction under a high-voltage wire, which comprises: bearing platform, socketed pile, bearing platform crown beam, cast-in-situ bored pile, steel tube column, beam, bailey truss structure, electricity-proof insulating structure, connecting beam, bearing platform concrete cushion, cross brace and cross brace; the electric insulation device for subway construction under the high-voltage line can meet the electric insulation and prevention requirements of equipment, passing vehicles and construction personnel, and avoids electric shock accidents of the equipment and the personnel.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an electricity-proof insulating device for subway construction under a high-voltage wire.
Background
In the work progress under present subway station high-voltage line, need strict control personnel, equipment construction safe distance, prevent that personnel and equipment from electrocuteeing or causing the loss to the high-voltage line destruction. In the process of constructing a No. 12 line station of a subway, 3 220kv high-voltage lines are obliquely spanned over the end head of a large mileage, and the minimum clear distance is 18.26 m. According to the requirement of on-site safety construction, the minimum safety distance between the crane and the vertical direction of the side line of the overhead line is 6m, and the requirement on the height limit of equipment is high and the construction difficulty is high in the processes of building envelope pore-forming construction, reinforcing cage hoisting construction and subsequent foundation pit excavation main body construction. Therefore, it is important to limit the height of the equipment, insulate and prevent electricity and protect the high-voltage wire during construction. The method is characterized in that firstly, the precision of the height limit control requirement of the equipment is low, and secondly, the insulation electricity-proof requirements of the equipment, passing vehicles and constructors cannot be met.
The current chinese patent application number is: 201720329132.8 discloses an insulation device of a transformer substation, which comprises a trolley, wherein an insulation box body is arranged on the trolley, a blast pipeline is wrapped outside the insulation box body, an oil separation baffle is clamped inside the insulation box body, four box chambers are arranged inside the insulation box body, a transformer set is arranged in each box chamber, and a signal thermometer is arranged inside the box chamber at the upper right side; integrated movable insulation transformer unit is small, it is portable, the insulation box light in weight that the adhesive tape suppression formed, the even winding of blast pipe is outside at insulation box, can make the even cooling of whole insulation box, the single intercommunication pipeline of installation can make the silicon oil circulation flow on the oil outlet, increase and transformer unit's area of contact, improve the radiating efficiency, the weather enclosure on insulation box upper portion can prevent that the rainwater from getting into inside insulation box, and can prevent birds contact insulator, high-voltage earth leakage protector can in time cut off the power supply and protect maintenance personnel's safety, but the underground railway construction electricity-proof insulator arrangement under the high-voltage line that does not provide one kind.
Also, for example, the Chinese patent application number is: 201120016399.4 discloses an insulated drainage electricity-proof shed frame, relating to an insulated isolation device when a bridge is erected above an electrified railway contact net, a beam frame is erected on the upper part of a support frame, the support frame is connected with a grounding wire, a slideway frame is hung below the beam frame, connecting lugs are fixedly arranged on the slideway frame, an insulated isolation plate is arranged in a slideway of the slideway frame, and insulated drainage grooves are positioned below butt joints of two adjacent rows of slideway frames and are fixed on the connecting lugs. The utility model discloses compare with present insulating isolation equipment, have can carry out the characteristics of insulating isolation protection to the construction in the contact net top of electrified railway circuit switch district section and circuit skew, install moreover, demolish the convenience, install the back, do not disturb the railway transportation during the construction, can improve work efficiency and economic benefits. But also does not provide an underground subway construction electricity-proof insulating device for high-voltage wires.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an electricity-proof insulating device for underground iron construction of a high-voltage wire.
The technical scheme for solving the problems is as follows:
the construction electricity-proof insulating device comprises: bearing platform, socketed pile, bearing platform crown beam, cast-in-situ bored pile, steel tube column, beam, bailey truss structure, electricity-proof insulating structure, connecting beam, bearing platform concrete cushion, cross brace and cross brace; the right side of the bearing platform is provided with a plurality of bearing platform crown beams, the bearing platform is connected with the bearing platform crown beams through connecting beams, a bearing platform concrete cushion layer is respectively laid between the bearing platform and the rock-socketed pile, a plurality of steel pipe stand columns are respectively and vertically connected with the bearing platform and the bearing platform crown beams, the steel pipe stand columns are matched with the current situation ground, a cross brace is arranged between every two adjacent steel pipe stand columns and fixed on a cross brace horizontally arranged on the steel pipe stand columns, the top of each steel pipe stand column is upwards sequentially provided with a cross beam, a bailey frame structure and an electricity-proof insulating structure, and the rock-socketed pile and the bored cast-in-place pile are respectively arranged at the bottoms of the bearing.
Further, the cushion cap of reinforced concrete structure includes tie bar, embedded steel plate and crab-bolt, and the crab-bolt passes through embedded steel plate and tie bar fixed connection.
Furthermore, each steel pipe upright post consists of a welding circular pipe, a stiffening rib plate and a flange plate, wherein the flange plates are respectively arranged at two ends of the welding circular pipe, and the stiffening rib plate is arranged between the flange plate and the welding circular pipe; the flange plate at the other end of the steel tube upright post is contacted with the beam through a backing plate steel plate.
Furthermore, set up connection steel plate on per two steel pipe stand sides, connection steel plate is connected with bridging and stull through fixed steel plate, and the intersection node of bridging is fixed through the stiffening rib.
Furthermore, the crossbeam is H shaped steel structure, is provided with the U type card on the crossbeam and fixes mutually with bailey frame structure.
Further, the electricity-proof insulation structure comprises square wood, a wood board and an electricity-proof insulation glue layer, the square wood is fully paved on the bailey truss structure, the wood board is fully paved on the square wood, and the electricity-proof insulation glue layer is fully paved on the wood board.
Furthermore, a main rib of the socketed pile is arranged in the socketed pile connected with the bearing platform.
Furthermore, the cross braces and the cross braces are in I-shaped structures.
Compared with the prior art, the invention has the beneficial effects that:
1. the construction electricity-proof insulating device plays a role in height limitation, ultra-high equipment cannot enter the construction electricity-proof insulating device, and electricity prevention of the equipment and protection of a high-voltage wire are ensured.
2. The construction electricity-proof insulating device has an insulating function, and can be used for isolating personnel, equipment and a high-voltage wire, so that the personnel and the equipment are prevented from being damaged by electric shock.
Drawings
FIG. 1 is a plan view of the construction electricity-proof insulating apparatus of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the structure of FIG. 1;
FIG. 3 is an enlarged view of the platform of FIG. 2;
FIG. 4 is an enlarged view of the anchor of FIG. 3;
FIG. 5 is a schematic structural view of the steel tube column base of FIG. 2;
FIG. 6 is a schematic view of the steel tube column top structure of FIG. 2;
FIG. 7 is a cross-brace, scissor-brace arrangement of FIG. 2;
FIG. 8 is an enlarged view of A in FIG. 7;
FIG. 9 is an enlarged view of B in FIG. 7;
FIG. 10 is an enlarged schematic view of the steel tube column and the cross brace of FIG. 2;
FIG. 11 is a top view structural diagram of FIG. 10;
FIG. 12 is a layout view of a U-shaped card for a position limiter of the bailey truss structure shown in FIG. 2;
FIG. 13 is a schematic view of the socketed pile of FIG. 1 with the reinforcing bars anchored to the platform;
FIG. 14 is a top view of the bottom end of the steel tube column with a preformed hole.
Description of reference numerals: 1-bearing platform, 2-rock-socketed pile, 3-bearing platform crown beam, 4-bored pile, 5-steel pipe column, 6-beam, 7-bailey truss structure, 8-electricity-proof insulation structure, 9-tie beam, 10-tie bar, 11-embedded steel plate, 12-anchor bolt, 13-bearing platform concrete cushion, 14-rock-socketed pile main bar, 15-flange plate, 16-tie plate steel plate, 17-stiffening rib plate, 18-shear brace, 19-stiffening rib, 20-cross node, 21-fixed steel plate, 22-connecting steel plate, 23-current ground, 24-cross brace, 25-U-shaped clamp and 26-preformed hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-13, the construction electricity-proof insulating device includes: the device comprises a bearing platform 1, a socketed pile 2, a bearing platform crown beam 3, a cast-in-situ bored pile 4, a steel pipe upright post 5, a cross beam 6, a bailey truss structure 7, an electricity-proof insulating structure 8, a connecting beam 9, a bearing platform concrete cushion layer 13, a cross brace 18 and a cross brace 24; the right side of the bearing platform 1 is provided with a plurality of bearing platform crown beams 3, the bearing platform 1 is connected with the bearing platform crown beams 3 through connecting beams 9, a bearing platform concrete cushion layer 13 is respectively paved between the bearing platform 1 and the rock-socketed piles 2, a plurality of steel pipe upright columns 5 are respectively vertically connected with the bearing platform 1 and the bearing platform crown beams 3, the steel pipe upright columns 5 are matched with the current situation ground 23, cross braces 18 are arranged between the adjacent steel pipe upright columns 5, the cross braces 18 are fixed on cross braces 24 horizontally arranged on the steel pipe upright columns 5, the top of each steel pipe upright column 5 is sequentially paved with a cross beam 6, a bailey truss structure 7 and an electricity-proof insulating structure 8 upwards, and the rock-socketed piles 2 and the bored concrete piles 4 are respectively arranged at the bottoms of the bearing platform 1 and the bearing platform.
Further, as shown in fig. 3-4, the bearing platform 1 of the reinforced concrete structure includes a tie bar 10, an embedded steel plate 11 and an anchor bolt 12, wherein the anchor bolt 12 is fixedly connected with the tie bar 10 through the embedded steel plate 11.
Further, as shown in fig. 5, 6, and 14, each steel tube column 5 is composed of a welding circular tube, a stiffening rib plate 17, and a flange plate 15, the flange plates 15 are respectively disposed at two ends of the welding circular tube, and the stiffening rib plate 17 is disposed between the flange plate 15 and the welding circular tube, wherein the stiffening rib plate 17 at one end of the steel tube column 5 is disposed between the preformed holes 26 of the flange plates 15, and the flange plate 15 at one end of the steel tube column 5 is in contact with the embedded steel plate 11; the flange 15 at the other end of the steel pipe upright 5 is contacted with the beam 6 through a backing steel plate 16.
Further, as shown in fig. 7-11, a connecting steel plate 22 is arranged on each of two sides of the steel tube column 5, the connecting steel plate 22 is connected with the cross braces 18 and the cross braces 24 through a fixing steel plate 21, and the cross nodes 20 of the cross braces 18 are fixed through the stiffening ribs 19.
Further, the cross beam 6 is of an H-shaped steel structure, and as shown in fig. 12, a U-shaped clip 25 is disposed on the cross beam 6 and fixed to the bailey truss structure 7.
Further, the electricity-proof insulating structure 8 comprises square wood, a wood board and an electricity-proof insulating glue layer, the square wood is fully laid on the bailey truss structure 7, the wood board is fully laid on the square wood, and the electricity-proof insulating glue layer is fully laid on the wood board.
Further, as shown in fig. 13, a socketed pile main rib 14 is provided in the socketed pile 12 connected to the bearing platform 1.
Further, the cross braces 18 and the cross braces 24 are in an i-shaped structure.
The present invention is not limited to the above-described embodiments, and any variations, modifications, and alterations that may occur to one skilled in the art without departing from the spirit of the invention are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a subway construction prevents electric insulation device under high-voltage line which characterized in that includes: bearing platform, socketed pile, bearing platform crown beam, cast-in-situ bored pile, steel tube column, beam, bailey truss structure, electricity-proof insulating structure, connecting beam, bearing platform concrete cushion, cross brace and cross brace; the right side of the bearing platform is provided with a plurality of bearing platform crown beams, the bearing platform is connected with the bearing platform crown beams through connecting beams, a bearing platform concrete cushion layer is respectively laid between the bearing platform and the rock-socketed pile, a plurality of steel pipe stand columns are respectively and vertically connected with the bearing platform and the bearing platform crown beams, the steel pipe stand columns are matched with the current situation ground, a cross brace is arranged between every two adjacent steel pipe stand columns and fixed on a cross brace horizontally arranged on the steel pipe stand columns, the top of each steel pipe stand column is upwards sequentially provided with a cross beam, a bailey frame structure and an electricity-proof insulating structure, and the rock-socketed pile and the bored cast-in-place pile are respectively arranged at the bottoms of the bearing.
2. The electricity-proof insulating device for subway construction under high-voltage line as claimed in claim 1, wherein said bearing platform of reinforced concrete structure comprises tie bars, pre-buried steel plates and anchor bolts, said anchor bolts are fixedly connected with said tie bars by means of said pre-buried steel plates.
3. The electricity-proof and insulating device for subway construction under high-voltage line of claim 1, wherein each steel tube column is composed of a welding circular tube, a stiffening rib plate and a flange plate, the two ends of the welding circular tube are respectively provided with the flange plate, the stiffening rib plate is arranged between the flange plate and the welding circular tube, wherein the stiffening rib plate at one end of the steel tube column is arranged between the preformed holes of the flange plates, and the flange plate at one end of the steel tube column is contacted with the pre-buried steel plate; the flange plate at the other end of the steel tube upright post is contacted with the beam through a backing plate steel plate.
4. The shock-proof insulation device for subway construction under high-voltage line as claimed in claim 3, wherein the connecting steel plates are set on the side of every two steel tube columns, the connecting steel plates are connected with the cross braces and the cross braces through the fixing steel plates, and the cross nodes of the cross braces are fixed through the stiffening ribs.
5. The apparatus according to claim 1, wherein the beam is of H-shaped steel structure, and the beam is provided with a U-shaped clip and fixed to the bailey truss structure.
6. The apparatus according to claim 1, wherein the electricity-proof insulating structure comprises a square timber, a wood board and an electricity-proof insulating glue layer, the square timber is fully laid on the bailey truss structure, the wood board is fully laid on the square timber, and the electricity-proof insulating glue layer is fully laid on the wood board.
7. The electricity-proof insulating device for subway construction under high-voltage line as claimed in claim 1, wherein a main reinforcement of socketed pile is provided in socketed pile connected to the bearing platform.
8. The electricity-proof insulating device for subway construction under high-voltage line as claimed in claim 1, wherein said cross braces and cross braces are I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027987.1A CN111119228A (en) | 2020-01-10 | 2020-01-10 | Electricity-proof insulating device for subway construction under high-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027987.1A CN111119228A (en) | 2020-01-10 | 2020-01-10 | Electricity-proof insulating device for subway construction under high-voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111119228A true CN111119228A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010027987.1A Pending CN111119228A (en) | 2020-01-10 | 2020-01-10 | Electricity-proof insulating device for subway construction under high-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111119228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978561A (en) * | 2021-02-24 | 2021-06-18 | 中铁六局集团有限公司交通工程分公司 | Hoisting construction method of shield machine under 220kV high-voltage line |
-
2020
- 2020-01-10 CN CN202010027987.1A patent/CN111119228A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978561A (en) * | 2021-02-24 | 2021-06-18 | 中铁六局集团有限公司交通工程分公司 | Hoisting construction method of shield machine under 220kV high-voltage line |
| CN112978561B (en) * | 2021-02-24 | 2023-01-10 | 中铁六局集团有限公司交通工程分公司 | Hoisting construction method of shield machine under 220kV high-voltage line |
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