CN108462117B - High-rise building cable laying device and application method thereof - Google Patents
High-rise building cable laying device and application method thereof Download PDFInfo
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- CN108462117B CN108462117B CN201810176198.7A CN201810176198A CN108462117B CN 108462117 B CN108462117 B CN 108462117B CN 201810176198 A CN201810176198 A CN 201810176198A CN 108462117 B CN108462117 B CN 108462117B
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- vertical shaft
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 239000000725 suspension Substances 0.000 claims abstract description 28
- 230000000630 rising effect Effects 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- H02G1/085—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
-
- 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
- H02G1/083—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 lines, e.g. needles, rods or tapes
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a high-rise building cable laying device and a using method thereof. The technical scheme is characterized by comprising a winch, a suspension pulley and a plurality of groups of clamps; the winch is arranged on the floor of the top layer of the nth layer of the high-place distribution station; the suspension pulley is suspended on a top plate of one layer at the top of the nth layer; the steel wire rope of the winch extends into the vertical shaft after bypassing the suspension pulley and extends to the floor where the bottom-layer distribution room is located, a reserved section is arranged on the floor, and the length of the reserved section is the sum of the heights of the m-th floor to the n-th floor and the distance from the n-th floor distribution room to the vertical shaft; the clamps are arranged at intervals along the reserved sections of the steel wire rope to clamp the cable and the steel wire rope together. And after the winch stretches the cable to the nth layer, the clamp is released, and the cable is transversely laid to the power distribution station. The device is used for laying the cable, so that the speed is controllable, and the cable and the steel wire rope are connected by a plurality of groups of clamps, so that the cable laying device is safer; meanwhile, the cable can be protected, and the cable is prevented from being damaged due to tension.
Description
Technical Field
The invention relates to laying of high-rise building cables, in particular to a high-rise building cable laying device and a using method thereof.
Background
At present, with the continuous increase of high-rise buildings, the vertical laying of super high-rise cables becomes a more outstanding problem. The vertical cable laying of the high-rise building is generally carried out by hanging the cable to be laid to the floor (n layer) where the high-rise power distribution station is located, then laying the cable from top to bottom in the vertical shaft, and using downward inertia, constructors can easily complete the cable laying task. However, because the large-section cable is heavy and has large downward inertia, the downward inertia of the cable is not easy to be controlled by constructors at high positions, and safety accidents are easy to occur.
Disclosure of Invention
The invention aims to provide a high-rise building cable laying device, which can be used for laying high-rise building cables safely and laborsaving.
The invention aims to provide a use method of a high-rise building cable laying device, and the high-rise building cable is laid by using the method, so that the high-rise building cable laying device is safe and efficient.
The technical aim of the invention is realized by the following technical scheme:
a high-rise building cable laying device and a use method thereof comprise a winch, a suspension pulley and a plurality of groups of clamps; the winch is arranged on the floor of the top layer of the nth layer of the high-place distribution station; the suspension pulley is suspended on a top plate of one layer at the top of the nth layer; the steel wire rope of the winch vertically extends downwards into the vertical shaft after bypassing the suspension pulley and extends to the mth layer where the bottom layer distribution room is located, a reserved section is arranged in the mth layer, and the length of the reserved section is the sum of the heights of the mth layer to the nth layer and the distance between the nth layer distribution room and the vertical shaft; the clamps are arranged at intervals along the reserved sections of the steel wire rope to clamp the cable and the steel wire rope together.
By adopting the technical scheme, the speed is controllable, and the cable and the steel wire rope are connected by the plurality of groups of clamps, so that the cable and the steel wire rope are safer; meanwhile, the plurality of groups of clamps distribute the tensile force of the cable due to self gravity to each section of the steel wire rope, so that the cable is better protected from being damaged due to tension.
Preferably, the hoisting machine further comprises a fixed pulley, wherein the fixed pulley is fixedly connected to the floor at the top of the nth layer and is positioned between the hoisting machine and the suspension pulley; the steel wire rope of the winch passes through the fixed pulley, then upwards bypasses the suspension pulley, and then vertically downwards stretches into the vertical shaft.
By adopting the technical scheme, the steel wire rope between the winch and the fixed pulley is horizontally arranged, so that the interference to other constructions is reduced.
Preferably, the floor of the top layer of the nth layer is provided with an embedded steel plate, and the fixed pulley is arranged on the embedded steel plate.
By adopting the technical scheme, the fixed pulley is more convenient to install than the fixed winch, the position of the winch can be flexibly adjusted, and the interference to other constructions is further reduced.
Preferably, the side wall of the n-th layer shaft is provided with a first guide pulley, and the first guide pulley is positioned between the shaft and the distribution substation.
By adopting the technical scheme, the cable is protected from being scratched in the laying process.
Preferably, the second guide pulley is arranged on the side wall of the m-th layer vertical shaft, and the steel wire rope is changed to extend along the horizontal direction of the m-th layer after bypassing the second guide pulley from the vertical shaft; the second guide pulley is positioned right below the suspension pulley, so that the steel wire rope positioned in the vertical shaft is in a vertical state.
By adopting the technical scheme, the cable is protected from being scratched in the laying process.
Preferably, a steel beam is erected on the wellhead of the vertical shaft on the top plate of the first layer of the nth layer, a hanging rope is arranged on the steel beam, and a hanging pulley is hung on the hanging rope in an inverted mode.
By adopting the technical scheme, the distance between the steel wire rope in the vertical shaft and the side wall of the vertical shaft can be increased, and the cable is prevented from being scratched by a well wall or a bridge.
Preferably, both ends of the steel beam are fixed to the floor slab by anchor ears and expansion bolts.
Through adopting above-mentioned technical scheme, can prevent the removal of girder steel in the cable laying process.
Preferably, the plurality of groups of clamps are arranged at equal intervals.
By adopting the technical scheme, the tension of the cable can be more uniformly distributed, and the cable can be better protected.
A method of using a high-rise building cabling apparatus, comprising the steps of:
s1, installing a winch on a floor of a layer at the top of an nth layer, and installing a suspension pulley on a top plate of the layer at the top of the nth layer;
s2, winding a steel wire rope of the winch around a suspension pulley, vertically extending downwards into the vertical shaft and extending to an mth layer where a bottom layer distribution room is located, wherein a reserved section is arranged in the mth layer, and the length of the reserved section is the sum of the heights of the mth layer to the nth layer and the distance between the nth layer distribution room and the vertical shaft;
s3, fixing the initial end of the cable at the position, close to the end head of the vertical shaft, of the reserved section of the steel wire rope by using a clamp;
s4, starting a winch to hoist the cable, and clamping the cable and the steel wire rope together in sections by using a clamp at the mth layer in the cable lifting process;
s5, when the initial end of the cable reaches the nth layer, removing the first clamp; hoisting is continued by the winch, and the cable is horizontally laid on the nth layer manually until the initial end of the cable is led to the wire inlet switch of the substation; removing the clamps rising to the nth layer one by one in the process;
s6, removing the rest clamps and fixing the cable in the bridge frame.
By adopting the technical scheme, the laying of the high-rise building cable is safer and more efficient.
In summary, the invention has the following beneficial effects:
1. the device is used for laying the cable from bottom to top, the speed is controllable, and a plurality of groups of clamps are used for connecting the cable with the steel wire rope, so that the cable is safer;
2. the plurality of groups of clamps uniformly distribute the tensile force of the cable due to self gravity to each section of the steel wire rope, so that the cable is better protected from being damaged due to tension;
3. the arrangement of the steel beam, the first guide pulley and the second guide pulley protects the cable from being scratched in the laying process;
4. the fixed pulley reduces the interference of the winch to other constructions.
Drawings
FIG. 1 is a schematic view of the overall construction of a high-rise building cabling system;
FIG. 2 is a schematic view showing a state in which the initial end of the cable is raised to the nth layer;
fig. 3 is a schematic view of the state when the initial end of the cable is laid to the distribution substation.
In the figure, 1, a winch; 11. a wire rope; 111. reserving a section; 12. a rope; 2. a suspension pulley; 3. a clamp; 4. a shaft; 5. a cable; 6. a steel beam; 61. a hanging rope; 62. a hoop; 63. an expansion bolt; 7. a fixed pulley; 71. embedding a steel plate; 8. a first guide pulley; 9. a second guide pulley; 91. a tripod; 10. and (5) a structural column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper", "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1, a high-rise building cable laying device comprises a winch 1, a suspension pulley 2 and a plurality of groups of clamps 3; the hoist 1 is installed on the floor of the top one layer (hereinafter, n+1 layer) of the nth layer of the high-level distribution station; the suspension pulley 2 is hoisted on the top plate of the n+1th layer; the steel wire rope 11 of the winch 1 vertically extends downwards into the vertical shaft 4 after bypassing the suspension pulley 2 and extends to the mth layer where the bottom distribution room is located, a reserved section 111 is arranged in the mth layer of the steel wire rope 11, and the length of the reserved section 111 is the sum of the heights from the mth layer to the nth layer and the distance from the nth layer of the distribution room to the vertical shaft 4; referring to fig. 2, a plurality of sets of clamps 3 are spaced along a predetermined section 111 of the wire rope 11 to clamp the cable 5 and the wire rope 11 together.
As shown in fig. 1, when in use, the initial end of the cable 5 is fixed at the end position of the reserved section 111 of the steel wire rope 11, which is close to the vertical shaft 4, by using the clamp 3; as shown in fig. 2, the hoist 1 is started to hoist the cable 5, and the cable 5 and the wire rope 11 are clamped together in sections by the clamp 3 at the m-th layer during the lifting of the cable 5; when the initial end of the cable 5 reaches the nth layer, the first clamp 3 is disassembled; as shown in fig. 3, the hoist 1 continues to hoist, and the cable 5 is laid horizontally on the nth layer manually until the initial end of the cable 5 is led to the wire inlet switch of the substation; the clamps 3 rising to the nth layer are detached one by one in the process.
The device is used for hoisting and laying the cable 5, and the cable 5 is hoisted from bottom to top, so that not only is the speed controllable, but also the cable 5 and the steel wire rope 11 are connected by the plurality of groups of clamps 3, and the hoisting device is safer. Meanwhile, the plurality of groups of clamps 3 distribute the tensile force of the cable 5 due to self gravity to each section of the steel wire rope 11, so that the cable 5 is better protected from being damaged due to tension.
Preferably, the plurality of groups of clamps 3 are arranged at equal intervals, for example, a group of clamps 3 can be arranged every 3 floors, and the specific interval can be adjusted according to the unit weight of the cable 5. This arrangement allows the tension of the cable 5 to be more evenly distributed and better protects the cable 5.
The clamp 3 comprises a steel wire rope clamp head, a binding belt and a connecting rope, wherein the connecting rope connects the steel wire rope clamp head and the binding belt together. When the cable binding device is used, the steel wire rope chuck is clamped on the steel wire rope, and the cable is bound by the binding belt.
The hanging pulley 2 may be installed at a position where the top plate of the n+1 layer is close to the edge of the shaft 4 so that the wire rope 11 can be kept vertical in the shaft 4. Further, as shown in fig. 1, in order to increase the distance between the steel wire rope 11 in the vertical shaft 4 and the side wall of the vertical shaft 4, a steel beam 6 is erected on the wellhead of the vertical shaft 4 of the top plate of the n+1 layer, a hanging rope 61 is arranged on the steel beam 6, and the hanging pulley 2 is hung on the hanging rope 61 upside down. In order to prevent the danger caused by the movement of the steel beam 6 during the laying of the cable 5, the two ends of the steel beam 6 are fixed to the floor by anchor ears 62 and expansion bolts 63.
As shown in fig. 1, since the wire rope 11 has a certain angle between the hoist 1 and the hanging pulley 2, and is in a non-horizontal state, the hoist 1 is subjected to an upward traction force during operation, and thus it is necessary to firmly fix the hoist 1 to a floor. However, the fixing of the hoist 1 is inconvenient, so that the fixed sheave 7 is provided between the hoist 1 and the suspension sheave 2. The steel wire rope 11 of the winch 1 passes through the fixed pulley 7 and then upwards bypasses the suspension pulley 2, and then vertically and downwards stretches into the vertical shaft 4, so that the winch 1 can only bear force in the horizontal direction when working. The floor of the n+1th layer is provided with a pre-buried steel plate 71, and the fixed pulley 7 is arranged on the pre-buried steel plate 71. The fixed pulley 7 is more convenient to install than the fixed winch 1, and the steel wire rope 11 between the winch 1 and the fixed pulley 7 is horizontally arranged, so that the interference to other constructions is reduced. The tail end of the winch 1 is pulled and connected to the structural column 10 or the wall body by the rope 12, so that the position of the winch 1 can be flexibly adjusted between the fixed pulley 7 and the structural column 10 or the wall body, and the interference to other construction is further reduced.
Further, as shown in fig. 1, in order to protect the cable 5 from being scratched during the laying process, a first guide pulley 8 is installed at the sidewall of the nth layer shaft 4, and the first guide pulley 8 is located between the shaft 4 and the distribution substation. The second guide pulley 9 is arranged on the side wall of the m-th layer vertical shaft 4, and the steel wire rope 11 is changed into extend along the horizontal direction of the m-th layer after bypassing the second guide pulley 9 from the vertical shaft 4; the second guide pulley 9 is located right below the hanging pulley 2 so that the wire rope 11 located in the shaft 4 is in a vertical state. The second guide wheels may be mounted on a tripod 91, the tripod 91 being erected on the wellhead of the m-th layer shaft 4, the bottom of the tripod 91 being fixed to the side wall of the wellhead or to the floor surrounding the wellhead.
The application method of the high-rise building cable laying device comprises the following operation steps:
s1, installing a winch 1 and a fixed pulley 7 on the floor of an n+1th layer, installing a suspension pulley 2 on the top plate of the n+1th layer, and installing a first guide pulley 8 and a second guide pulley 9 on the n layer and the m layer respectively;
s2, winding a steel wire rope 11 of the winch 1 around the suspension pulley 2, then extending downwards into the vertical shaft 4, extending the mth layer, winding a second guide pulley 9, horizontally extending on the floor slab of the mth layer, and arranging a reserved section 111; the length of the reserved section 111 is the sum of the height from the m layer to the n layer and the distance from the power distribution station of the n layer to the vertical shaft 4, and marks are made on the position of the reserved section 111 close to the end of the vertical shaft 4;
s3, fixing the initial end of the cable 5 at the marking position of the reserved section 111 of the steel wire rope 11 by using a clamp 3;
s4, starting a winch 1 to hoist the cable 5, and clamping the cable 5 and the steel wire rope 11 together in sections by using a plurality of clamps 3 at an mth layer in the process of lifting the cable 5;
s5, when the initial end of the cable 5 reaches the nth layer, the winch 1 is stopped, the first clamp 3 is removed, the initial end is manually pulled, and the first guide wheel is bypassed; then the hoist 1 continues to hoist, the cable 5 is laid horizontally on the nth layer manually until the initial end of the cable 5 is led to the wire inlet switch of the substation; the clamps 3 rising to the nth layer are detached one by one in the process;
s6, removing the rest clamps 3 and fixing the cable 5 in the bridge;
s7, repeating the operation steps of S2 to S6, and laying the next cable 5; and finally, removing the cable 5 laying device.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (6)
1. A high-rise building cable laying device which is characterized in that: comprises a windlass (1), a suspension pulley (2) and a plurality of groups of clamps (3);
the winch (1) is arranged on the floor of the top layer of the nth layer of the high-place distribution station;
the suspension pulley (2) is hoisted on a top plate of the top layer of the nth layer;
the steel wire rope (11) of the winch (1) vertically extends downwards into the vertical shaft (4) after bypassing the suspension pulley (2) and extends to the mth layer where the bottom distribution room is located, a reserved section (111) is arranged in the mth layer of the steel wire rope (11), and the length of the reserved section (111) is the sum of the heights of the mth layer to the nth layer and the distance from the nth layer of the distribution room to the vertical shaft (4);
the clamps (3) are arranged at intervals along the reserved section (111) of the steel wire rope (11) to clamp the cable (5) and the steel wire rope (11) together; the fixture (3) comprises a steel wire rope chuck, a binding belt and a connecting rope, wherein the connecting rope connects the steel wire rope chuck with the binding belt;
the hoisting machine further comprises a fixed pulley (7), wherein the fixed pulley (7) is fixedly connected to the floor at the top of the nth layer and is positioned between the hoisting machine (1) and the suspension pulley (2); the steel wire rope (11) of the winch (1) passes through the fixed pulley (7) and then upwards bypasses the suspension pulley (2), and then vertically and downwards stretches into the vertical shaft (4);
the side wall of the nth layer vertical shaft (4) is provided with a first guide pulley (8), and the first guide pulley (8) is positioned between the vertical shaft (4) and the distribution substation;
the side wall of the m-th layer vertical shaft (4) is provided with a second guide pulley (9), the second guide pulley (9) can be arranged on a tripod (91), the tripod (91) is erected on the wellhead of the m-th layer vertical shaft (4), and the bottom of the tripod (91) is fixed on the side wall of the wellhead or a floor slab around the wellhead; the steel wire rope (11) is changed to extend along the horizontal direction of the m-th layer after bypassing the second guide pulley (9) from the vertical shaft (4); the second guide pulley (9) is positioned right below the suspension pulley (2) to enable the steel wire rope (11) positioned in the vertical shaft (4) to be in a vertical state.
2. A high-rise building cabling arrangement as set forth in claim 1, wherein: the floor of the nth layer top one layer is provided with a pre-buried steel plate (71), and the fixed pulley (7) is arranged on the pre-buried steel plate (71).
3. A high-rise building cabling arrangement as set forth in claim 1, wherein: a steel beam (6) is erected on the wellhead of a vertical shaft (4) on a top plate of the nth layer of top one layer, a lifting rope (61) is arranged on the steel beam (6), and the suspension pulley (2) is inversely hung on the lifting rope (61).
4. A high-rise building cabling arrangement according to claim 3, wherein: the two ends of the steel beam (6) are fixed on the floor slab by anchor ears (62) and expansion bolts (63).
5. A high-rise building cabling arrangement as set forth in claim 1, wherein: the plurality of groups of clamps (3) are arranged at equal intervals.
6. A method of using a high-rise building cabling arrangement as set forth in claim 1, wherein: the method comprises the following steps:
s1, installing a winch (1) on a floor of a layer at the top of an nth layer, and installing a suspension pulley (2) on a top plate of the layer at the top of the nth layer;
s2, a steel wire rope (11) of the winch (1) vertically extends downwards into the vertical shaft (4) after bypassing the suspension pulley (2) and extends to an mth layer where a bottom layer distribution room is located, a reserved section (111) is arranged in the mth layer of the steel wire rope (11), and the length of the reserved section (111) is the sum of the heights of the mth layer to the nth layer and the distance from the nth layer distribution room to the vertical shaft (4);
s3, fixing the initial end of the cable (5) at the end position of the reserved section (111) of the steel wire rope (11) close to the vertical shaft (4) by using a clamp (3);
s4, starting a winch (1) to hoist the cable (5), and clamping the cable (5) and the steel wire rope (11) together in sections by using a clamp (3) at the mth layer in the ascending process of the cable (5);
s5, when the initial end of the cable (5) reaches the nth layer, removing the first clamp (3); hoisting is continued by the winch (1), and the cable (5) is horizontally laid on the nth layer manually until the initial end of the cable (5) is led to the wire inlet switch of the substation; in the process, the clamps (3) rising to the nth layer are detached one by one;
s6, removing the rest clamps (3) and fixing the cable (5) in the bridge frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176198.7A CN108462117B (en) | 2018-03-02 | 2018-03-02 | High-rise building cable laying device and application method thereof |
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| CN201810176198.7A CN108462117B (en) | 2018-03-02 | 2018-03-02 | High-rise building cable laying device and application method thereof |
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| CN108462117B true CN108462117B (en) | 2024-04-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179217B (en) * | 2018-10-23 | 2020-04-07 | 广东博智林机器人有限公司 | Super high-rise vertical high-voltage cable laying construction process |
| CN109378767A (en) * | 2018-10-24 | 2019-02-22 | 陕西建工第建设集团有限公司 | A kind of lifting engineering method of hoist engine to skyscraper electricity well inner cable |
| CN112072560B (en) * | 2020-09-29 | 2021-10-01 | 中建安装集团有限公司 | Method for vertically laying super high-rise shaft cable in air through relay lifting |
| CN115207837A (en) * | 2022-07-11 | 2022-10-18 | 中国建筑第二工程局有限公司 | Overhead cable laying method and safety protection auxiliary device thereof |
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| CN108462117A (en) | 2018-08-28 |
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