CN112886481B - Cable laying method for inner climbing type tower crane - Google Patents
Cable laying method for inner climbing type tower crane Download PDFInfo
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- CN112886481B CN112886481B CN202110097984.XA CN202110097984A CN112886481B CN 112886481 B CN112886481 B CN 112886481B CN 202110097984 A CN202110097984 A CN 202110097984A CN 112886481 B CN112886481 B CN 112886481B
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- tower crane
- cable
- wall body
- cable laying
- pull rod
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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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
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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
- H02G1/06—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
Abstract
The invention relates to a cable laying method of an internal climbing tower crane, which comprises the following steps: manufacturing a cable laying device; a plurality of through holes penetrating through the wall body are formed in the wall body on one side of the inner climbing type tower crane along the height direction of the inner climbing type tower crane, and a first preset distance is reserved among the through holes; inserting the cable laying device on a through hole of a wall body; climbing the interior formula tower crane to predetermineeing the height, putting into the cable conductor of interior formula tower crane lower part each among cable conductor laying device's fixture, revolve wrong the fastening of twisting the nut makes the through-hole is to two the grip block extrudees, thereby it is right the cable conductor carries out the centre gripping fixedly. The cable laying device is used for fixing the cable below the internal climbing tower crane, is simple in structure and convenient to install and use, avoids labor and time consuming methods such as expansion bolts and chemical bar planting, can be detached and reused after construction is completed, and saves construction cost.
Description
Technical Field
The invention relates to the technical field of construction engineering construction, in particular to a cable laying method of an inner climbing type tower crane.
Background
Interior climbing tower crane, interior climbing for short hangs, is a tower crane of installing in inside elevartor shaft of building or stairwell, can upwards climb gradually along with the construction process, in the construction of more and more super high-rise buildings, adopts interior climbing tower crane as main perpendicular transportation mechanical equipment.
The tower body light in weight of interior climbing formula tower crane, highly less can realize from rising along with the high increase of building, but on its cable conductor can not be fixed in the tower crane standard festival like the attached tower crane, the tower crane climbs the completion back, and the cable conductor of tower body lower part is in unsettled state basically. Usually, a steel wire rope is adopted to pull the suspended cable, but the method has larger damage to the cable, and the damage effect is more obvious particularly for super high-rise buildings; and the cable is fixed on the elevator shaft or the shear wall of the main body structure by adopting an expansion bolt or an embedded part, the method is labor-consuming and time-consuming, and the expansion bolt or the embedded part cannot be recycled, so that materials are wasted.
Disclosure of Invention
In view of the above, the invention aims to provide a cable laying method for an inner climbing tower crane, which aims to solve the problems in the prior art.
According to the invention, the cable laying method of the internal climbing tower crane comprises the following steps:
manufacturing a cable laying device, wherein the cable laying device comprises a pull rod, a clamping mechanism and a nut, the clamping mechanism comprises two arc-shaped clamping plates which are arranged oppositely and used for clamping a cable, the two clamping plates are made of elastic materials, the two clamping plates are fixedly connected to the first end of the pull rod, and the nut is in threaded connection with the second end of the pull rod;
a plurality of through holes penetrating through the wall body are formed in the wall body on one side of the inner climbing type tower crane along the height direction of the inner climbing type tower crane, and a first preset distance is reserved among the through holes;
inserting the cable laying device on a through hole of a wall body, enabling the clamping mechanism to be located on one side, facing the inner climbing tower crane, of the wall body, and enabling the nut to be located on the other side of the wall body;
climbing the interior formula tower crane to predetermineeing the height, putting into the cable conductor of interior formula tower crane lower part each among cable conductor laying device's fixture, revolve wrong the fastening of twisting the nut makes the through-hole is to two the grip block extrudees, thereby it is right the cable conductor carries out the centre gripping fixedly.
Preferably, a PVC pipe is arranged in the through hole of the wall body, and the length of the PVC pipe is equal to the thickness of the wall body.
Preferably, the PVC pipe is pre-buried in the wall body when the concrete of the wall body is poured.
Preferably, one end of the clamping plate is provided with a fixing plate, and the clamping plate is fixedly connected to the first end of the pull rod through the fixing plate.
Preferably, the fixing plate and the clamping plate are manufactured integrally, the fixing plate is an arc-shaped plate, and the radian of the fixing plate is matched with the outer diameter of the pull rod.
Preferably, the fixed plate and the clamping plate are formed by bending steel plates, and the axis of the arc surface of the clamping plate is perpendicular to the axis of the arc surface of the fixed plate.
Preferably, the fixing plate is fixedly connected to the first end of the pull rod by welding.
Preferably, a rubber layer is arranged on the inner arc surface of the clamping plate.
Preferably, the wall body inboard of climbing tower crane one side is equipped with carousel in a plurality of cables, adjacent two along the setting of the distance of presetting of wall body direction of height interval second between the carousel in the cable conductor.
Preferably, the cable line middle turntable is arranged on a floor bottom plate on the inner side of the wall body.
The cable laying method of the inner climbing tower crane provided by the invention at least has the following beneficial effects:
(1) Adopt cable conductor laying device to fix the cable conductor of climbing formula tower crane below internally, this cable conductor laying device adopts the pull rod to fix in the through-hole on the wall body, through the nut of fastening pull rod second end, makes the through-hole form the extrusion to the fixture of the first end of pull rod to carry out the centre gripping to the cable conductor and fix, through the nut of loosening pull rod second end soon, make the through-hole eliminate to fixture's restrictive force, can adjust the cable conductor. The cable laying device is simple in structure and convenient to install and use, labor-consuming and time-consuming methods such as expansion bolts and chemical bar planting are avoided, and the cable laying device can be detached for recycling after construction is completed, so that construction cost is saved.
(2) The PVC pipe that is used for installing cable conductor laying apparatus on the wall body is pre-buried when pouring in the wall body, and the template reinforcement needs uses the split bolt hole when can regard as concrete placement simultaneously, and wall body concrete placement accomplishes the back, uses as cable conductor laying apparatus's mounting hole, and a hole is dual-purpose, avoids repeated punching, has improved the efficiency of construction.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structural view of a cabling installation according to an embodiment of the invention.
Fig. 2 shows a schematic view of the installation of the cabling arrangement in an embodiment according to the invention.
Fig. 3 shows a cable laying schematic diagram of an internal climbing tower crane according to an embodiment of the invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
In the figure: the cable laying device comprises a cable laying device 1, a pull rod 11, a nut 12, a clamping mechanism 13, a clamping plate 131, a fixing plate 132, a rubber layer 133, a cable 2, a wall 3, a floor 31, a PVC pipe 4, an inside climbing tower crane 5 and a cable middle rotating disc 6.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
The invention provides a cable laying method of an inner climbing tower crane.
And S1, manufacturing a cable laying device.
As shown in fig. 1, the cable laying device 1 includes a pull rod 11, a clamping mechanism 13 and a nut 12, the clamping mechanism 13 includes two arc-shaped clamping plates 131 arranged oppositely for clamping the cable 2, the two clamping plates 131 are made of elastic material, the two clamping plates 131 are fixedly connected to a first end of the pull rod 11, and the nut 12 is screwed to a second end of the pull rod 11.
Specifically, the radius of the inner arc surface of the clamping plates 131 is slightly smaller than the radius of the cable 2, so that the two clamping plates 131 can clamp and fix the cable 2 more easily. One end of the clamping plate 131 is provided with a fixing plate 132, and the clamping plate 131 is fixedly connected to the first end of the pull rod 11 through the fixing plate 132. After the two clamping plates 131 are fixed on the pull rod 11, a preset gap is formed at one end, away from the pull rod 11, of the two clamping plates 131, so that the two clamping plates 131 do not interfere with each other when being deformed due to extrusion force. The pull rod 11 is made of round steel, at least the second end of the pull rod 11 is provided with external threads matched with the nut 12, and the pull rod 11 can also adopt a split bolt for a drawknot template. The nut 12 is a hexagonal flange nut or a common nut, and a flat washer is arranged between the nut and the wall surface to increase the contact area with the wall surface.
In order to fix the fixing plate 132 at the first end of the pull rod 11 and facilitate the hole, the fixing plate 132 is an arc-shaped plate, the radian of the fixing plate 132 is matched with the outer diameter of the pull rod 11, that is, the radius of the inner arc surface of the fixing plate 132 is equal to the radius of the pull rod 11, so that after the two fixing plates 132 are connected with the pull rod 11, the two fixing plates 132 form a cylindrical structure coaxial with the pull rod 11. The central angle that the arc surface of fixed plate 132 corresponds is less than 180 for two fixed plates 132 leave certain clearance after setting up on pull rod 11 relatively, the clearance can be used for with fixed plate 132 welding on pull rod 11, guarantee its and the joint strength between pull rod 11. The fixing plate 132 and the clamping plate 131 are integrally formed, and the fixing plate 132 and the clamping plate 131 may be formed by bending a steel plate. In this embodiment, the fixing plate 132 and the clamping plate 131 are formed by bending steel plates with a thickness of 3mm and a width of 30mm, the length of each steel plate can be determined according to the connection length between the fixing plate 132 and the pull rod 11, the arc surface of the clamping plate 131 and the arc surface of the fixing plate 132 are respectively bent in two directions, and the axis of the arc surface of the clamping plate 131 is perpendicular to the axis of the arc surface of the fixing plate 132.
In this embodiment, the rubber layer 133 is provided on the inner arc surface of the clamping plate 131, and the rubber layer 133 can increase the friction coefficient, thereby preventing the two clamping plates 131 from sliding due to insufficient friction when clamping the cable 2. Meanwhile, the rubber layer 133 also has insulating property, so that potential safety hazards caused by electric leakage of the cable can be avoided.
And S2, arranging a plurality of through holes penetrating through the wall body along the height direction of the wall body on one side of the inner climbing tower crane, and spacing a first preset distance between the through holes.
The diameter of the through hole is larger than the diameter of the pull rod 11 and smaller than the maximum outer dimensions of the two clamping plates 131, so that when the pull rod 11 of the cable laying device 1 penetrates through the through hole and is fastened by screwing a bolt, the through hole can generate a restraining force on the two clamping plates 131, the two clamping plates 131 can generate extrusion deformation, and the clamping force on the cable is increased.
Further, be equipped with PVC pipe 4 in the through-hole of wall body 3, the length of PVC pipe 4 equals the thickness of wall body 3, because wall body 3 adopts concrete material to make, when the through-hole extrudees grip block 131 on cable conductor laying device 1, concrete material drops easily, influences the confining force of through-hole when extrudeing two grip blocks 131, and then causes cable conductor 2 to add the clamping force not enough. Through setting up PVC pipe 4, wear to establish in PVC pipe 4 with cable conductor laying device 1's pull rod 11, PVC pipe 4 has better compressive strength for the concrete to can install cable conductor laying device 1 fixed more conveniently.
In this embodiment, the PVC pipe 4 is embedded in the wall 3 when the wall is cast with concrete. So set up, PVC pipe 4 that sets up on wall body 3 can regard as the tie bolt hole of template reinforcement needs when concrete placement simultaneously uses, and wall body concrete placement accomplishes the back, uses as cable conductor laying device 1's mounting hole, and a hole is dual-purpose, avoids repeated punching, has improved the efficiency of construction.
In order to facilitate the installation of the cable laying device 1 on the wall through hole, when the PVC pipe 4 is embedded, the PVC pipe 4 is arranged on the wall 3 and close to the door and window hole, so that the cable laying device 1 is convenient to install and detach.
The distance between two adjacent through holes is 6-8 m, and one through hole is arranged on the wall 3 of the building at intervals of two floor heights under the common condition.
And S3, inserting the cable laying device 1 on the through hole of the wall body 3, enabling the clamping mechanism 13 to be located on one side, facing the inside climbing type tower crane 5, of the wall body 3, and enabling the nut 12 to be located on the other side of the wall body 3.
In the step, the pull rod 11 of the cable laying device 1 is inserted into the through hole of the wall 3, so that the first end of the pull rod 11 is located on one side of the wall 3 facing the inside climbing tower crane 5, and the second end of the pull rod 11 is located on the other side of the wall 3. After the pull rod 11 passes through the through hole of the wall 3, the nut 12 is screwed on the second end of the pull rod 11, but no pre-tightening force is applied, so that the cable laying device 1 is temporarily fixed on the wall 3. Fig. 2 is a schematic view showing the installation of the cable laying device 1 on the wall 3.
And S4, climbing the inner climbing tower crane to a preset height, putting cables at the lower part of the inner climbing tower crane into clamping mechanisms of the cable laying devices, and screwing fastening nuts to enable the through holes to extrude the two clamping plates, so that the cables are clamped and fixed.
In this step, after climbing tower crane 5 climbs a take the altitude, cable conductor 2 of 5 lower parts of interior climbing tower crane can be in unsettled state, and cable conductor 2 card that will climb the 5 lower parts of tower crane in will go into between two grip blocks 131 of fixture 13 of cable conductor laying device 1 on wall body 3. Then, a pretightening force is applied by screwing the nut 12, so that the through hole extrudes and deforms the two clamping plates 131, and the cable 2 is clamped and fixed to prevent slipping.
Referring to fig. 3 and 4, furthermore, a plurality of cable conductor middle turntables 6 are arranged on the inner side of the wall body 3 on one side of the inner climbing tower crane 5, and a second preset distance is arranged between the two adjacent cable conductor middle turntables 6 along the height direction of the wall body 3. When climbing height is great as interior climbing tower crane 5, the cable conductor 2 overlength of tower crane 5 lower part, cable conductor 2 dead weight is great, has probably to cause the damage to cable conductor 2, in addition, when cable conductor 2 is heavier, only rely on cable conductor laying device 1 probably can not provide sufficient clamping-force and carry out the centre gripping with weight increase unsettled cable conductor 2 and fix firmly. Consequently, through setting up carousel 6 in a plurality of cables, twine the cable on the carousel 6 in the cable conductor, cable conductor 2 electric connection between carousel 6 in the adjacent cable conductor. Preferably, the cable conductor middle rotating disc 6 is arranged on a floor 31 of a building and enters the inner side of the wall 3 through an opening of an elevator shaft or a door window hole on the wall 3. The length of the cable 2 wound on the cable middle turntable 6 at least reaches the height of one climbing of the inner climbing tower crane 5. Through setting up cable conductor mesodial 6, interior climbing formula tower crane 5 is when climbing, with the 12 pine soon of nut on the cable conductor laying device 1 of 6 tops of carousel in this cable conductor, the tower crane 5 in-process that climbs, winding cable rotation release on the carousel 6 in the cable conductor can not cause cable conductor 2 to harm because of dragging. After climbing the structure, the tower crane 5 clamps and fixes the suspended cable 2 by using the cable laying device 1 on the wall 3.
According to the cable laying method of the inner climbing type tower crane, a cable laying device is adopted to fix a cable below the inner climbing type tower crane, the cable laying device is fixed in a through hole in a wall body through a pull rod, a nut at the second end of the pull rod is fastened, the through hole extrudes a clamping mechanism at the first end of the pull rod, so that the cable is clamped and fixed, the nut at the second end of the pull rod is unscrewed, the constraint force of the through hole on the clamping mechanism is eliminated, and the cable can be adjusted. The cable laying device is simple in structure and convenient to install and use, labor-consuming and time-consuming methods such as expansion bolts and chemical bar planting are avoided, the cable laying device can be repeatedly used after construction is completed, and construction cost is saved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A cable laying method of an inner climbing tower crane is characterized by comprising the following steps:
manufacturing a cable laying device, wherein the cable laying device comprises a pull rod, a clamping mechanism and a nut, the clamping mechanism comprises two arc-shaped clamping plates which are oppositely arranged and used for clamping a cable, the radius of the inner arc surface of each clamping plate is smaller than that of the cable, the two clamping plates are made of elastic materials, the two clamping plates are fixedly connected to the first end of the pull rod, and the nut is in threaded connection with the second end of the pull rod;
a plurality of through holes penetrating through the wall body are formed in the wall body on one side of the inner climbing tower crane along the height direction of the wall body, and a first preset distance is reserved among the through holes; the diameter of the through hole is larger than that of the pull rod and smaller than the maximum external size of the two clamping plates;
inserting the cable laying device on a through hole of a wall body, enabling the clamping mechanism to be located on one side, facing the inner climbing tower crane, of the wall body, and enabling the nut to be located on the other side of the wall body;
climbing the interior formula tower crane to predetermineeing the height, putting into the cable conductor of interior formula tower crane lower part each among cable conductor laying device's fixture, revolve wrong the fastening of twisting the nut makes the through-hole is to two the grip block extrudees, thereby it is right the cable conductor carries out the centre gripping fixedly.
2. The cable laying method of the internal climbing tower crane according to claim 1, wherein a PVC pipe is arranged in the through hole of the wall body, and the length of the PVC pipe is equal to the thickness of the wall body.
3. The cable laying method of the internal climbing tower crane according to claim 2, wherein the PVC pipe is embedded in the wall when the concrete of the wall is poured.
4. The cable laying method of the internal climbing tower crane according to claim 1, wherein a fixing plate is arranged at one end of the clamping plate, and the clamping plate is fixedly connected to the first end of the pull rod through the fixing plate.
5. The cable laying method of the internal climbing tower crane according to claim 4, wherein the fixing plate and the clamping plate are integrally manufactured, the fixing plate is an arc-shaped plate, and the radian of the fixing plate is matched with the outer diameter of the pull rod.
6. The inner climbing tower crane cable laying method according to claim 5, wherein the fixing plate and the clamping plate are formed by bending steel plates, and the axis of the arc surface of the clamping plate is perpendicular to the axis of the arc surface of the fixing plate.
7. The cable laying method of the internal climbing tower crane according to any one of claims 4 to 6, wherein the fixing plate is fixedly connected to the first end of the pull rod in a welding mode.
8. The cable laying method of the climbing tower crane according to claim 1, wherein a rubber layer is arranged on the inner arc surface of the clamping plate.
9. The cable laying method of the internal climbing tower crane according to claim 1, wherein a plurality of cable middle turntables are arranged on the inner side of a wall body on one side of the internal climbing tower crane, and two adjacent cable middle turntables are arranged at a second preset distance along the height direction of the wall body.
10. The cable laying method of the internal climbing tower crane according to claim 9, wherein the cable middle rotating disc is arranged on a floor bottom plate on the inner side of the wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097984.XA CN112886481B (en) | 2021-01-25 | 2021-01-25 | Cable laying method for inner climbing type tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097984.XA CN112886481B (en) | 2021-01-25 | 2021-01-25 | Cable laying method for inner climbing type tower crane |
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| Publication Number | Publication Date |
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| CN112886481A CN112886481A (en) | 2021-06-01 |
| CN112886481B true CN112886481B (en) | 2022-10-04 |
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| CN202110097984.XA Active CN112886481B (en) | 2021-01-25 | 2021-01-25 | Cable laying method for inner climbing type tower crane |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312339C1 (en) * | 1993-04-15 | 1994-02-17 | Bettermann Obo Ohg | Fixing clamp for elongate pipe or cable - has cooperating clamp shells with outer support surfaces or ribs moving shells into closed position upon driving foot part into drill hole |
| AT9304U1 (en) * | 2006-06-13 | 2007-07-15 | Pc Electric Gmbh | LADDER TERMINAL AND ELECTRICAL CONNECTOR |
| US20100018740A1 (en) * | 2008-07-24 | 2010-01-28 | Massey Mike L | Method and apparatus for allowing future installation of wires, cables, fibers and the like within a structure |
| GB2483237A (en) * | 2010-08-31 | 2012-03-07 | Electrix Int Ltd | Electrical conduit junction with sealing device |
| CN103072906B (en) * | 2013-01-16 | 2014-12-03 | 广州建筑股份有限公司 | Connecting device of inner climbing type tower crane and building structure and construction method utilizing same |
| JP5903124B2 (en) * | 2014-04-16 | 2016-04-13 | 中国電力株式会社 | Indirect sheet shears |
| CN105692470B (en) * | 2016-03-30 | 2018-06-26 | 冯一锵 | Inner climbing crane tower and its operating method |
| CN108946477B (en) * | 2018-06-23 | 2020-02-18 | 台州市铭泰建设有限公司 | Tower crane and cable fixing method thereof |
| CN110294425A (en) * | 2019-07-30 | 2019-10-01 | 中信国安建工集团有限公司 | A kind of detachable tower crane climbing device and construction method |
| CN211198388U (en) * | 2019-12-12 | 2020-08-07 | 天元建设集团有限公司 | Tower crane cable fixing device |
| CN111130029A (en) * | 2020-02-29 | 2020-05-08 | 徐州建机工程机械有限公司 | Tower crane main cable fixing device and using method thereof |
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2021
- 2021-01-25 CN CN202110097984.XA patent/CN112886481B/en active Active
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