CN111509622B - Cable laying method in comprehensive pipe rack - Google Patents
Cable laying method in comprehensive pipe rack Download PDFInfo
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- CN111509622B CN111509622B CN202010322388.2A CN202010322388A CN111509622B CN 111509622 B CN111509622 B CN 111509622B CN 202010322388 A CN202010322388 A CN 202010322388A CN 111509622 B CN111509622 B CN 111509622B
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- cable
- cables
- hoisting
- utility tunnel
- comprehensive pipe
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application provides a cable laying method in a comprehensive pipe rack, and belongs to the technical field of pipeline installation of the comprehensive pipe rack. The cable laying method in the comprehensive pipe rack comprises the following steps: firstly, arranging a plurality of lifting rings on a top plate in a comprehensive pipe rack at intervals; secondly, devices for hoisting cables are respectively arranged on the hoisting rings; sequentially penetrating the cables on each hoisting device along the longitudinal direction of the pipe gallery; step four, erecting a plurality of oblique slideway devices on each mounting bracket to enable each mounting bracket to be positioned at a position with a lower gradient; and step five, separating the cables from the hoisting devices one by one, and enabling the cables to slide onto the mounting brackets along the inclined slideway devices. And step six, fixing the cables on the mounting brackets. The method is simple and convenient to operate, does not need special installation equipment, is high in efficiency, solves the installation problem of the cable in the limited space, and saves a large amount of labor cost.
Description
Technical Field
The invention belongs to the technical field of comprehensive pipe gallery pipeline installation, and particularly relates to a cable laying method in a comprehensive pipe gallery.
Background
The utility tunnel cable laying method is that a cable reel is installed at the vent or the hoisting opening of the utility tunnel, a cable reaches the installed pipe gallery layer through the opening, and the length of the installation position is reached by a large amount of manual dragging and carrying modes. Wherein the quality of major diameter cable conductor unit length is heavy, and cable erection is apart from long in the piping lane, need adopt a large amount of manual works to drag to laying length on the piping lane ground along piping lane length direction to need concentrate a large amount of manpowers and lift the cable segmentation and put to the trailing arm position, this process need waste a large amount of manpowers, and handling efficiency is slow, and workman's construction operation need scramble from top to bottom, and the construction environment is unsafe.
Disclosure of Invention
In view of the above, the present invention is directed to a cable laying method in a utility tunnel, so as to solve or overcome at least one technical problem in the prior art.
The application provides a cable laying method in a comprehensive pipe rack, which comprises the following steps:
step one, arranging a plurality of lifting rings at preset intervals at the top in the comprehensive pipe gallery;
step two, respectively arranging hoisting devices for hoisting the cables on the hoisting rings;
thirdly, sequentially penetrating the cables on the hoisting devices;
step four, erecting a plurality of oblique slideway devices on each mounting bracket to enable each mounting bracket to be positioned at a position with a lower gradient;
and fifthly, separating the cable from each hoisting device, and enabling the cable to slide onto each mounting bracket along each inclined slideway device.
Preferably, the method further comprises the following steps:
and step six, fixing the cables on the mounting brackets.
Preferably, in the step one,
and on the length direction in the comprehensive pipe rack, a plurality of hanging rings are embedded in the reinforced concrete at the top in the comprehensive pipe rack.
Preferably, in the first step, the preset distance between each two adjacent hanging rings is 2-3 m.
Preferably, in the second step, the hoisting device includes:
the lifting rings are connected with two lifting chains, and the lower ends of the two lifting chains are respectively connected with a hook;
the two ends of the cross rod are respectively provided with a lifting lug perpendicular to the cross rod, the two lifting lugs are parallel, and the cross rod is connected to the two lifting lugs and is respectively connected to the two lifting chains;
the pulley is rotatably sleeved on the cross rod, a concave part along the circumferential direction of the pulley is arranged in the middle of the pulley, and the concave part can accommodate the cable.
Preferably, in the third step, the method for passing the cable through each hoisting device includes:
one end of the cable is arranged on one hoisting device at the initial position in the comprehensive pipe rack;
a traction rope is arranged at one end of the cable;
and sequentially penetrating the hauling rope through each hoisting device, and dragging the hauling rope to enable the hoisting cable to be dragged to the installation terminal position.
Preferably, in the fourth step, the oblique sliding device includes:
the surface of each oblique beam is smoothly arranged;
the connecting hinge is respectively and rotatably connected with the two oblique beams, and enables the two oblique beams to rotate towards a single direction;
two overlap joint poles, two the overlap joint pole is connected respectively in two the length direction's of sloping tip, two the overlap joint pole is used for being connected to relative both sides have difference in height two in the utility tunnel on the installing support.
Preferably, at least two adjacent oblique slideway devices are arranged in a group on two installation supports with height difference at two opposite sides in the comprehensive pipe gallery;
wherein, each inclined slideway in each group is connected with each other through a plurality of connecting rods.
Preferably, a through groove is formed in the connecting hinge, and two rotating shafts are arranged on the connecting hinge in a direction perpendicular to the length direction of the through groove;
the two oblique beams are respectively rotatably connected in the through groove of the connecting hinge through the two rotating shafts.
Preferably, in the step five, the step,
the cables are detached from the lifting devices by using support rods, wherein,
the support rod comprises a curved rod bent into a semicircle and a straight rod connected to the middle of the outer circle of the curved rod.
The application has the following beneficial effects:
the application provides a cable laying method in utility tunnel, a plurality of rings and a plurality of hoisting device that can connect in each of rings through the length direction setting in the utility tunnel, the realization is to the hoist and mount of cable, effectively utilized the space in the utility tunnel, realize sliding the cable of hoist and mount to the installing support on the slope through using the slant slide, and accomplish the fixed mounting of cable, method easy operation is convenient, and is not only efficient, still save numerous labours such as a large amount of manual handling.
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 is a schematic diagram of a transverse cross-sectional structure of a utility tunnel provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a longitudinal cross-sectional structure of a utility tunnel provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hoisting device provided according to an embodiment of the invention;
fig. 4 and 5 are schematic structural views of a diagonal slide device according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of an attachment flap provided in accordance with an embodiment of the present invention;
fig. 7 is a schematic diagram of the effect of detaching a cable from a hoisting device by using a support rod according to an embodiment of the invention.
Wherein, 1-comprehensive pipe gallery, 2-hoisting ring, 3-hoisting device, 4-cable, 5-mounting bracket, 6-oblique slideway device, 7-oblique beam, 8-connecting rod, 9-lapping rod, 10-connecting hinge, 11-supporting rod;
31-sling chain, 32-cross bar, 33-pulley.
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.
Referring to figures 1 to 7 of the drawings, the present application provides a method of cabling within a utility tunnel comprising: firstly, arranging a plurality of lifting rings 2 at preset intervals at the top in the comprehensive pipe rack 1; secondly, a hoisting device 3 for hoisting the cable 4 is respectively arranged on each hoisting ring 2; thirdly, sequentially penetrating the cable 4 on each hoisting device 3; step four, erecting a plurality of oblique slideway devices 6 on each mounting bracket 5 to enable each mounting bracket 5 to be positioned at a position with a lower gradient; and step five, separating the cable 4 from each hoisting device 3, and enabling the cable 4 to slide onto each mounting bracket 5 along each inclined slideway device 6.
In this embodiment, the cable laying method in the utility tunnel further includes: and step six, fixing the cables 4 on the mounting brackets 5.
In this embodiment, the provided cable laying method in the utility tunnel is mainly for large-diameter cables, which are relatively thick and heavy, and consume much labor. Because the space in the utility tunnel is limited, can't adopt great hoist and mount machinery, bring serious puzzlement for laying of cable.
In this embodiment, referring to fig. 1, 2 and 3, a plurality of lifting rings 2 are provided, such that each lifting ring 2 is embedded in the concrete at the top of the utility tunnel 1 along the length direction of the utility tunnel 1, and each lifting ring 2 is spaced 2 meters to 3 meters apart. A hoisting device 3 can be arranged on each hoisting ring, the cable 4 is transported by the hoisting device 3 to be positioned at a higher position, when the cable 4 is dismounted from each hoisting device 3, the cable 4 is slid onto the mounting bracket 5 by the arranged oblique slideway device 6, and then the cable 4 is fixed on each mounting bracket 5, so that the cable 4 is laid.
In this embodiment, in the first step, a plurality of the hanging rings 2 are pre-buried in the reinforced concrete at the top in the utility tunnel 1 in the length direction in the utility tunnel 1. Through the pre-buried rings in the top in utility tunnel 1, not only can realize connecting hoist device 3, hoist and mount usage when can also regard as the construction in utility tunnel 1, and pre-buried can not occupy the inner space at utility tunnel 1's top, and the operability is good.
In this embodiment, in the first step, the preset distance between each two adjacent lifting rings 2 is 2 to 3 meters. The purpose is to satisfy the weight of hoist device 3 and cable 4, still guarantees the smoothness of cable 4 sliding transportation on each hoist device 3 in addition. It will be appreciated that too small a distance between the rings 2 results in considerable waste, and that too large a distance between the rings 2 can result in a large downward angle bending of the cable 4 between two adjacent rings 2, which can affect the dragging of the cable 4.
The cables 4 are transported on the lifting devices 3 by bolting a hauling cable at one end of the cable 3 to pass through each cable 4 and dragging the hauling cable to the installation end position of the cable 4. It should be understood that a winch may be provided at the laying end position of the cable 4, and the cable 4 is pulled by controlling the winch.
In this embodiment, referring to fig. 3, in the second step, the hoisting device 3 includes: each hanging ring 2 is connected with two hanging chains 31, and the lower ends of the two hanging chains 31 are respectively connected with a hook; the two ends of the cross bar 32 are respectively provided with a lifting lug perpendicular to the cross bar, the two lifting lugs are parallel, the cross bar 32 is connected to the two lifting chains 31 through the two lifting lugs, the two lifting chains 31 have the same length, and the cross bar 32 connected to the two lifting chains 31 is ensured to be in a horizontal state; the pulley 33 is rotatably sleeved on the cross rod 32, and a recess is formed in the middle of the pulley 33 along the circumferential direction of the pulley, and the recess can accommodate the cable 4. The pulley 33 can rotate around the cross bar 32, and the concave part of the pulley 33 accommodates the cable 4, so that the rotation of the pulley 33 reduces friction during the dragging process of the cable 4.
In this embodiment, in the third step, the method for passing the cable 4 through each hoisting device 3 includes: arranging one end of the cable 4 on one hoisting device 3 at the initial position in the comprehensive pipe rack 1; a traction rope is arranged at one end of the cable 4; and sequentially penetrating the hauling rope through each hoisting device 3, and dragging the hauling rope to enable the hoisting cable to be dragged to the installation terminal position.
In the fourth step of the present embodiment, referring to fig. 4 to 6, the oblique sliding device 6 includes: the surface of each oblique beam 7 is smoothly arranged; a connection hinge 10 which respectively rotatably connects the two oblique beams 7 and allows the two oblique beams 7 to rotate toward a single direction; the two lap joint rods 9 are respectively connected to the two ends of the length direction of the oblique beam 7, and the two lap joint rods 9 are used for being connected to two installation supports 5, wherein the height difference exists between the two opposite sides in the comprehensive pipe gallery 1.
The inclined slideway device 6 is a folding mechanism, the two inclined beams 7 can rotate along the connecting hinge 10, as shown in fig. 6, the two inclined beams 7 can rotate towards the lower part in fig. 6, and the cables 4 are ensured to fall on the two inclined beams 7 and slide to the mounting bracket 5 along the inclination of the inclined slideway device 6. Folding slant slide device 6 folding back occupation space is little, can also left right side conversion, both can install cable 4 in 1 left side of utility tunnel, can install cable 4 in 1 right side of utility tunnel again.
Two lapping rods 9 on the oblique slideway device 6 are lapped on each mounting bracket 5 respectively, and it should be understood that each lapping rod 9 is specially processed, so that the roughness of the contact surface of the lapping rod 9 and the mounting bracket 5 is larger, and the problem that the lapping rods fall off from each mounting bracket due to bearing the weight of the cable 4 is avoided.
In an alternative embodiment, two overlapping rods 9 on the inclined slideway device 6 are detachably connected to each mounting bracket 5 through a bolt respectively, so that the inclined slideway device 6 is ensured not to fall off from each mounting bracket 5, and the stability of the cable 4 sliding on the mounting bracket 5 is ensured.
In this embodiment, at least two adjacent oblique sliding way devices 6 are erected on two installation brackets 5 with height difference on two opposite sides in the utility tunnel 1 in a manner of forming a group; wherein, each inclined slideway in each group is connected with each other through a plurality of connecting rods 8. It should be understood that at least two adjacent oblique ramp devices 6 are combined to enhance the structural strength thereof, so that each set of oblique ramp devices 6 can bear the weight of the cable 4, and it should be understood that each set of oblique ramp devices 6 is not limited to two oblique ramp devices 6 connected through a connecting rod 8, but may include three or four oblique ramp devices 6 connected through a connecting rod.
In this embodiment, a through slot is formed on the connection hinge 10, and two rotating shafts are arranged on the connection hinge 10 perpendicular to the length direction of the through slot; the two oblique beams 7 are respectively rotatably connected in the through groove of the connecting hinge 10 through the two rotating shafts. Thereby achieving the foldability of the diagonal ramp means 6 so that the diagonal ramp means 6 can be folded up, reducing the transportation space and improving its operability in the utility tunnel 1.
In this embodiment, in the fifth step, referring to fig. 7, a support rod 11 is used to separate the cable 4 from each of the hoisting devices 3, where the support rod 11 includes a curved rod bent into a semicircle and a straight rod connected to the middle of the semicircle. Through adopting the bracing piece 11 will the one end jack-up of hoist device 3's horizontal pole for the lug of horizontal pole one end breaks away from the couple of a chain sling, thereby realizes will cable 4 follows break away from in the depressed part of pulley, and then cable 4 drops to because of gravity reason on slant slide device 6 to the landing is to installing support 5. In addition, the cables 4 sliding down to the mounting brackets 5 can be jacked up through the supporting rods 11, so that the cables 4 move towards one side of the wall body in the utility tunnel 1, and finally the cables 4 can be fixed to the mounting brackets 5.
When the cable 4 is pulled by the pulling rope, when the end of the cable passes through each hoisting device 3, the supporting rod 11 can be used for manually assisting in jacking the cable 4, so that the cable 4 smoothly passes through each hoisting device 3.
The application provides a cable 4 method of laying in utility tunnel 1, a plurality of rings 2 and a plurality of hoisting device 3 that can connect in each through the length direction setting in utility tunnel 1 hoisting device 3 on rings 2, the realization is to cable 4's hoist and mount, effectively utilized the space in utility tunnel 1, realize sliding cable 4 who hoists to installing support 5 on the slope through using the slant slide, and accomplish the fixed mounting of cable, method easy operation is convenient, not only efficient, still save numerous labours such as a large amount of artifical transport.
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 phrase "comprising an … …" does not exclude the presence of other identical 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 method of cabling within a utility tunnel, comprising:
step one, arranging a plurality of lifting rings at preset intervals at the top in the comprehensive pipe gallery;
step two, respectively arranging hoisting devices for hoisting the cables on the hoisting rings;
thirdly, sequentially penetrating the cables on the hoisting devices;
step four, erecting a plurality of oblique slideway devices on each mounting bracket to enable each mounting bracket to be positioned at a position with a lower gradient;
and fifthly, separating the cable from each hoisting device, and enabling the cable to slide onto each mounting bracket along each inclined slideway device.
2. A method of cabling within a utility tunnel according to claim 1, further comprising:
and step six, fixing the cables on the mounting brackets.
3. A method of cabling within a utility tunnel according to claim 1, wherein, in said first step,
and on the length direction in the comprehensive pipe rack, a plurality of hanging rings are embedded in the reinforced concrete at the top in the comprehensive pipe rack.
4. The method for laying the cables in the comprehensive pipe rack according to claim 1, wherein in the step one, the preset distance between every two adjacent hanging rings is 2-3 m and meets the requirement of bearing the weight of the cables.
5. The method for cabling inside a utility tunnel according to claim 1, wherein in said second step, said hoisting means comprises:
the lifting rings are connected with two lifting chains, and the lower ends of the two lifting chains are respectively connected with a hook;
the two ends of the cross rod are respectively provided with a lifting lug perpendicular to the cross rod, the two lifting lugs are parallel, and the cross rod is respectively connected to the two lifting chains through the two lifting lugs;
the pulley is rotatably sleeved on the cross rod, a concave part along the circumferential direction of the pulley is arranged in the middle of the pulley, and the concave part can accommodate the cable.
6. The method for laying cables in the utility tunnel according to claim 1, wherein in the third step, the method for arranging the cables on the hoisting devices is as follows:
one end of the cable is arranged on one hoisting device at the initial position in the comprehensive pipe rack;
a traction rope is arranged at one end of the cable;
and sequentially penetrating the hauling rope through each hoisting device, and dragging the hauling rope to enable the hoisting cable to be dragged to the installation terminal position.
7. The method of cabling within a utility tunnel according to claim 1, wherein in step four, said diagonal ramp means comprises:
the surface of each oblique beam is smoothly arranged;
the connecting hinge is respectively and rotatably connected with the two oblique beams, and enables the two oblique beams to rotate towards a single direction;
two overlap joint poles, two the overlap joint pole is connected respectively in two the length direction's of sloping tip, two the overlap joint pole is used for being connected to relative both sides have difference in height two in the utility tunnel on the installing support.
8. The method of claim 7, wherein at least two adjacent diagonal ramp devices are grouped together on two of the mounting brackets having a height difference on opposite sides of the utility tunnel;
wherein, each inclined slideway in each group is connected with each other through a plurality of connecting rods.
9. The method for cabling inside the utility tunnel according to claim 7, wherein a through slot is opened on the connection hinge, and two rotating shafts are provided on the connection hinge perpendicular to the length direction of the through slot;
the two oblique beams are respectively rotatably connected in the through groove of the connecting hinge through the two rotating shafts.
10. Method for cabling inside a utility tunnel according to claim 1, characterised in that in said step five,
the cables are detached from the lifting devices by using support rods, wherein,
the support rod comprises a curved rod bent into a semicircle and a straight rod connected to the middle of the outer circle of the curved rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322388.2A CN111509622B (en) | 2020-04-22 | 2020-04-22 | Cable laying method in comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322388.2A CN111509622B (en) | 2020-04-22 | 2020-04-22 | Cable laying method in comprehensive pipe rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111509622A CN111509622A (en) | 2020-08-07 |
| CN111509622B true CN111509622B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322388.2A Active CN111509622B (en) | 2020-04-22 | 2020-04-22 | Cable laying method in comprehensive pipe rack |
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| CN (1) | CN111509622B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115117786B (en) * | 2022-08-11 | 2024-02-13 | 国网四川省电力公司自贡供电公司 | Protective device for conveying high-voltage power cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013102631B4 (en) * | 2013-03-14 | 2015-07-30 | Werner Spiegel | Laying cables or other line-shaped payloads |
| CN106505484A (en) * | 2016-12-27 | 2017-03-15 | 二十二冶集团天津建设有限公司 | Piping lane cable laying method |
| CN206529798U (en) * | 2017-03-01 | 2017-09-29 | 李延志 | Piping lane unit is laid in a kind of municipal works |
| CN109680713B (en) * | 2018-12-26 | 2023-12-26 | 中国建筑土木建设有限公司 | Fine adjustment frame gallery trolley |
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- 2020-04-22 CN CN202010322388.2A patent/CN111509622B/en active Active
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