CN112421502A - Construction method for threading long-distance preset concealed pipe - Google Patents
Construction method for threading long-distance preset concealed pipe Download PDFInfo
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- CN112421502A CN112421502A CN202011250198.0A CN202011250198A CN112421502A CN 112421502 A CN112421502 A CN 112421502A CN 202011250198 A CN202011250198 A CN 202011250198A CN 112421502 A CN112421502 A CN 112421502A
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229920000426 Microplastic Polymers 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Classifications
-
- 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
- H02G1/086—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 fluid as pulling means, e.g. liquid, pressurised gas or suction means
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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
- H02G3/36—Installations of cables or lines in walls, floors or ceilings
- H02G3/38—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a construction method, particularly discloses a construction method for threading a long-distance preset concealed pipe, and belongs to the technical field of construction processes of auxiliary facilities of constructional engineering. The construction method for threading the long-distance preset concealed pipe is convenient to construct and operate, reliable and rapid in threading and relatively low in construction cost. The construction method comprises the steps of pneumatic pre-threading of the lead, pre-threading of the lead and traction of the transition line to arrange an electric pipeline, wherein when the lead is pre-threaded pneumatically, the hollow plastic ball is driven by high-pressure gas, so that the hollow plastic ball guides the high-strength flexible lead to pass through the corresponding long-distance pre-buried pipe to complete the pneumatic pre-threading.
Description
Technical Field
The invention relates to a construction method, in particular to a construction method for threading a long-distance preset concealed pipe, and belongs to the technical field of construction processes of auxiliary facilities of constructional engineering.
Background
In modern houses, public buildings and other projects, in order to pursue the beauty of buildings, most of electrical pipelines are generally laid by using concealed pipes. Therefore, the electric appliance pipeline can be synchronously reserved when being constructed with the main body structure, and a large amount of wiring time is saved for later-stage pipeline construction. But many problems have also arisen. For example, when threading operation is carried out in the later stage, because pre-buried pipeline is too long, it is possible that the pre-buried pipeline cannot be penetrated through by adopting traditional steel wire threading. Even if the length of the laying straight line of the pre-buried pipe is more than 30 meters according to the standard requirement, the method solves the problems to a certain extent, in the actual implementation process, the risk that the pre-buried pipe is blocked is increased in the concrete pouring process by the line passing box additionally arranged in the middle of the long-distance pre-buried pipe, the cost is increased, and the position of the line passing box which is not accurately arranged is easily grasped by a worker during construction, so that the actual length of the pre-buried pipe is more than 30m, and the subsequent construction difficulty is caused.
Application number is 202010362990.9's a novel threading machine power structure's patent provides's technical scheme, though can carry out long distance threading, its turn radius to pre-buried spool requires than higher, send the line or act as go-between poor stability, can't satisfy to complicated operating mode. Meanwhile, the equipment is expensive, the lead of the equipment is easy to damage, and the later maintenance cost is very high.
To sum up, the threading of long distance embedded pipe is very difficult, and it is great to add the stifled pipe risk of line box in the middle of adopting, and novel threading machine dynamic structure requires height and its cost is higher to embedded pipe turning radius. How to adopt a simpler, quicker and more reliable construction method to complete the pre-buried threading and laying becomes a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the construction method for threading the long-distance preset concealed pipe is convenient to construct and operate, reliable and rapid in threading and relatively low in construction cost.
The technical scheme adopted for solving the technical problems is as follows: a construction method for threading a long-distance preset concealed pipe comprises the steps of arranging an electric pipeline by pneumatic pre-threading lead wires, pre-threading lead wire crossover wires and crossover wire traction,
when the lead is pre-threaded pneumatically, the hollow plastic ball is driven by high-pressure gas, so that the high-strength flexible lead is guided by the hollow plastic ball to pass through the corresponding long-distance preset concealed pipe to complete the pre-threading.
Further, high-pressure air used in pneumatic pre-threading of the lead wire is high-pressure air provided by an external air pressing station, before the external high-pressure air is connected into the long-distance preset concealed pipe, the hollow plastic small ball is firstly placed into the long-distance preset concealed pipe, and a high-strength flexible lead wire passing hole is formed near the port of the long-distance preset concealed pipe, so that the high-strength flexible lead wire passes through the high-strength flexible lead wire passing hole along with the hollow plastic small ball to enter the long-distance preset concealed pipe.
The preferred mode of above-mentioned scheme is that the high-pressure gas who uses when pneumatic pre-threading lead wire is the highly-compressed air who blows off by the air-blower scene, and the highly-compressed air output of air-blower passes through the blast pipe and the lead wire of the preset hidden pipe of long distance penetrates the end and is connected, and before even the preset hidden pipe of long distance with outside highly-compressed air, put hollow plastic bobble in the preset hidden pipe of long distance earlier to set up the flexible lead wire that excels in near this preset hidden pipe port of long distance and pass the hole, make the flexible lead wire that excels in pass the hole and get into the preset hidden pipe of long distance from the flexible lead wire that excels in along with.
Furthermore, the hollow plastic ball is a hollow plastic ball with the diameter smaller than the inner diameter of the long-distance preset concealed pipe by one grade.
The preferable mode of the above scheme is that the high-strength flexible lead is one of high-strength fishing line, nylon line and cotton line.
Further, the transition line is one of a thin steel wire, a thin cable wire and a thin steel strand.
The invention has the beneficial effects that: according to the construction method, high-pressure gas is used as driving force, the hollow plastic ball drives the high-strength flexible lead to penetrate through the long-distance preset concealed pipe under the driving force, and finally the high-strength flexible lead finishes the threading work of the long-distance preset concealed pipe in a mode that a small wire pulls a large wire to lay a high-voltage cable between two similar iron towers. Because the construction method only uses high-pressure gas as driving force, has no complex mechanical structure, adopts a small wire traction large wire mode similar to the mode of laying a high-voltage cable between two iron towers in the threading process, not only has convenient construction operation and reliable and rapid threading, but also has relatively low construction cost, and is suitable for the line laying construction of the embedded threading pipes of the vast residential buildings and public buildings.
Drawings
Fig. 1 is a threading schematic diagram related to the construction method for threading the long-distance preset concealed pipe.
Labeled as: the high-strength flexible lead wire comprises a high-strength flexible lead wire 1, a hollow plastic ball 2, a long-distance preset concealed pipe 3, a high-strength flexible lead wire passing hole 4, a blower 5 and an air supply pipe 6.
Detailed Description
As shown in fig. 1, the construction method for threading the long-distance preset concealed pipe provided by the invention is convenient to construct and operate, reliable and quick in threading and relatively low in construction cost. The construction method comprises the steps of pneumatic pre-threading of the lead wire, pre-threading of the lead wire through a crossover line and traction of the crossover line to lay an electric pipeline,
when the lead is pre-threaded pneumatically, the hollow plastic ball 2 is driven by high-pressure gas, so that the hollow plastic ball 2 guides the high-strength flexible lead 1 to pass through the corresponding long-distance pre-set concealed pipe 3 to complete the pre-threading. According to the construction method, high-pressure gas is used as driving force, the hollow plastic ball drives the high-strength flexible lead to penetrate through the long-distance preset concealed pipe under the driving force, and finally the high-strength flexible lead finishes the threading work of the long-distance preset concealed pipe in a mode that a small wire pulls a large wire to lay a high-voltage cable between two similar iron towers. Because the construction method only uses high-pressure gas as driving force, has no complex mechanical structure, adopts a small wire traction large wire mode similar to the mode of laying a high-voltage cable between two iron towers in the threading process, not only has convenient construction operation and reliable and rapid threading, but also has relatively low construction cost, and is suitable for the line laying construction of the embedded threading pipes of the vast residential buildings and public buildings.
In the above embodiment, in combination with the actual situation on site, the high-pressure gas for driving the hollow plastic pellet 2 may be of the following two types, one type is high-pressure air provided for an external air compression station for the high-pressure gas used in pneumatic pre-threading, before the external high-pressure air is connected into the long-distance pre-set concealed pipe 3, the hollow plastic pellet 2 is firstly placed into the long-distance pre-set concealed pipe 3, and the high-strength flexible lead passing hole 4 is arranged near the port of the long-distance pre-set concealed pipe, so that the high-strength flexible lead 1 enters the long-distance pre-set concealed pipe 3 along with the hollow plastic pellet 2 from the high-strength flexible lead passing hole 4. The other type is high-pressure air blown out on site by a blower 5 when a lead is pre-threaded pneumatically, the high-pressure air output end of the blower 5 is connected with the lead penetrating end of the long-distance preset concealed pipe 3 through an air supply pipe 6, before external high-pressure air is connected into the long-distance preset concealed pipe 3, the hollow plastic small ball 2 is firstly placed into the long-distance preset concealed pipe 3, and a high-strength flexible lead penetrating hole 4 is formed near the port of the long-distance preset concealed pipe, so that the high-strength flexible lead 1 enters the long-distance preset concealed pipe 3 along with the hollow plastic small ball 2 from the high-strength flexible lead penetrating hole 4.
Further, in order to blow the air plastics bobble through long distance through high-pressure gas in proper order and predetermine concealed conduit 3, hollow plastics bobble 2 for the sphere diameter than long distance predetermine the hollow plastics bobble that concealed conduit 3 internal diameter is little a grade. Correspondingly, in order to avoid the breakage of the pre-threading lead wire in the process of pulling the pre-threading lead wire to pre-pass through the crossover wire, the high-strength flexible lead wire 1 is one of a high-strength fish wire, a nylon wire and a cotton wire, and the crossover wire is one of a thin steel wire, a thin cable wire and a thin steel strand. The construction method combines the practical engineering situation, and the light hollow plastic ball with the lead wire, which is smaller than the pipeline by one grade, is introduced into the long-distance pipeline, so that the ball is led out from the other end of the embedded pipe under the action of compressed air or blast air on site. Then, a high-voltage line is laid between the iron towers, the small lines pull the large lines, and finally the laying of the electric wires in the embedded pipelines is completed, so that the effects of high efficiency, reliability, recycling and low cost are achieved.
In summary, the technical scheme provided by the application also has the following advantages:
1. the technical method solves the problem that the traditional method cannot carry out threading of the long-distance pre-embedded pipe, and simultaneously can avoid the problem that the pre-embedded wire passing box leaks and blocks the pipe in the traditional process, so that the smoothness of the pre-embedded pipe is ensured;
2. the long-distance line pre-buried pipe can be buried in place at one time, and a middle wire passing box is omitted, so that the construction is convenient and rapid, and the economic effect of saving labor and materials is achieved;
3. can be recycled, is simple to operate, is convenient and practical, and saves the construction cost.
Example one
The technical scheme adopted by the application for solving the technical problem is as follows:
1. the construction method mainly comprises the steps that the diameter of the light plastic ball hollow ball is one grade smaller than that of the embedded pipe, the high-strength flexible lead wire, the air blower and the air supply sleeve are arranged;
2. the high-strength flexible lead wire penetrates through the light plastic ball hollow ball to be connected with the ball body into a whole, and the connected ball body is placed into a section of the pipe to be threaded;
3. connecting an air supply pipe with a wire pipe placed at one end of the small ball, and reserving a small hole for a lead to enter;
4. the blower is connected with the air supply pipe, and the blower is started to drive the plastic balls to move along the embedded pipeline by wind power and simultaneously release the lead wires. After the plastic ball is blown out from the other section of the embedded pipe, the lead smoothly passes through the embedded pipe;
5. the mode of erecting the high-voltage wire is adopted, the lead wire is changed into the lead wire with higher strength and is sequentially changed, and finally the wire penetrates through the embedded pipe.
If the distance of the pipeline is increased, the air inlet amount of the pipe opening can be further increased, and the wind power effect is increased, so that the small balls can smoothly pass through the pipeline.
Claims (6)
1. A construction method for threading a long-distance preset concealed pipe is characterized by comprising the following steps: the construction method comprises the steps of pneumatic pre-threading of the lead wire, pre-threading of the lead wire through a crossover line and traction of the crossover line to lay an electric pipeline,
when the lead is pre-threaded pneumatically, the hollow plastic ball (2) is driven by high-pressure gas, so that the hollow plastic ball (2) guides the high-strength flexible lead (1) to pass through the corresponding long-distance pre-arranged concealed pipe (3) to complete the pre-threading.
2. The construction method for threading the long-distance preset concealed pipe according to claim 1, wherein the construction method comprises the following steps: high-pressure gas who uses when pneumatic lead wire of wearing in advance is the high-pressure air that outside pressure gas station provided, even go into outside high-pressure air and predetermine before hidden pipe (3) in the long distance, put into hollow plastic pellet (2) in the long distance predetermines hidden pipe (3) earlier to near this long distance predetermines the hidden pipe port set up high-strength flexible lead wire and pass hole (4), make high-strength flexible lead wire (1) pass hole (4) and get into in the long distance predetermines hidden pipe (3) along with hollow plastic pellet (2) from high-strength flexible lead wire.
3. The construction method for threading the long-distance preset concealed pipe according to claim 1, wherein the construction method comprises the following steps: high-pressure gas who uses when pneumatic lead wire of wearing in advance is for the highly-compressed air who blows out by air-blower (5) scene, and the highly-compressed air output of air-blower (5) passes through blast pipe (6) and the lead wire of long-range preset concealed pipe (3) penetrates the end and is connected, even into outside highly-compressed air and the long-range preset concealed pipe (3) before, put into long-range preset concealed pipe (3) hollow plastics bobble (2) earlier, and set up near this long-range preset concealed pipe port that excels in and pass hole (4), make high strength flexible lead wire (1) pass hole (4) along with hollow plastics bobble (2) from high strength flexible lead wire and get into long-range preset concealed pipe (3).
4. The construction method for threading the long-distance preset concealed pipe according to any one of claims 1 to 3, wherein the construction method comprises the following steps: the hollow plastic ball (2) is a hollow plastic ball with the diameter one grade smaller than the inner diameter of the long-distance preset concealed pipe (3).
5. The construction method for threading the long-distance preset concealed pipe according to claim 4, wherein the construction method comprises the following steps: the high-strength flexible lead (1) is one of a high-strength fishing line, a nylon line and a cotton line.
6. The construction method for threading the long-distance preset concealed pipe according to claim 5, wherein the construction method comprises the following steps: the transition line is one of a thin steel wire, a thin cable wire and a thin steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250198.0A CN112421502A (en) | 2020-11-10 | 2020-11-10 | Construction method for threading long-distance preset concealed pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250198.0A CN112421502A (en) | 2020-11-10 | 2020-11-10 | Construction method for threading long-distance preset concealed pipe |
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| CN112421502A true CN112421502A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011250198.0A Pending CN112421502A (en) | 2020-11-10 | 2020-11-10 | Construction method for threading long-distance preset concealed pipe |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632902Y (en) * | 2003-06-11 | 2004-08-11 | 庞伟 | Concealed piping wire apparatus |
| CN110233447A (en) * | 2019-07-22 | 2019-09-13 | 广东电网有限责任公司 | A kind of power matching network line construction wiring threading apparatus |
| CN111463719A (en) * | 2020-04-17 | 2020-07-28 | 五冶集团上海有限公司 | A electric wire threading device for building electrical pre-buried pipe |
-
2020
- 2020-11-10 CN CN202011250198.0A patent/CN112421502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632902Y (en) * | 2003-06-11 | 2004-08-11 | 庞伟 | Concealed piping wire apparatus |
| CN110233447A (en) * | 2019-07-22 | 2019-09-13 | 广东电网有限责任公司 | A kind of power matching network line construction wiring threading apparatus |
| CN111463719A (en) * | 2020-04-17 | 2020-07-28 | 五冶集团上海有限公司 | A electric wire threading device for building electrical pre-buried pipe |
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Application publication date: 20210226 |