CN116960837A - Construction method for rapid cable laying of basement bridge - Google Patents

Construction method for rapid cable laying of basement bridge Download PDF

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Publication number
CN116960837A
CN116960837A CN202310952072.5A CN202310952072A CN116960837A CN 116960837 A CN116960837 A CN 116960837A CN 202310952072 A CN202310952072 A CN 202310952072A CN 116960837 A CN116960837 A CN 116960837A
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CN
China
Prior art keywords
cable
bridge
guide wire
rapid
basement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310952072.5A
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Chinese (zh)
Inventor
卢冬平
黄鑫
连辉阳
石辉
郭江龙
何强龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Fourth Engineering Division Corp Ltd
China Construction Fourth Engineering Bureau Construction and Development Co Ltd
Original Assignee
China Construction Fourth Engineering Division Corp Ltd
China Construction Fourth Engineering Bureau Construction and Development Co Ltd
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Filing date
Publication date
Application filed by China Construction Fourth Engineering Division Corp Ltd, China Construction Fourth Engineering Bureau Construction and Development Co Ltd filed Critical China Construction Fourth Engineering Division Corp Ltd
Priority to CN202310952072.5A priority Critical patent/CN116960837A/en
Publication of CN116960837A publication Critical patent/CN116960837A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a construction method for quickly laying cables on a basement bridge, which comprises the steps of installing a quick steering structure, installing a directional device, installing a paying-off device and laying the cables, wherein the directional device comprises a plurality of groove rollers, the width of the groove roller which is closer to the quick steering device is narrower, the inner side surface of one side of the directional device is of an arc surface structure, and the arc surface structure of the groove which is closer to the quick steering device is steeper and steeper. According to the invention, the plurality of orientation devices are arranged in the bridge at intervals, so that the problem of cable abrasion caused by friction with the bottom of the bridge in the cable laying process is avoided; through adjusting the recess width of orienting device, realized the correction problem to cable transportation direction in the cable laying process, just also avoided cable and bridge to bump and cause the problem of cable damage all around.

Description

Construction method for rapid cable laying of basement bridge
Technical Field
The invention belongs to the technical field of cable laying, and particularly relates to a construction method for quickly laying cables on a basement bridge.
Background
Traditional basement crane span structure cable is laid and adopts pure manual work to lay, and the cost of labor is high and efficiency is lower, and the manual work needs to be placed in the eminence for a long time, so the dangerous risk of workman is higher in the work progress. After the relative improvement, the cable is dragged by adopting a winch, but the construction is difficult at the corner part, and the cable at the other side can be paved after the cables at one side are all dragged in place, so that the construction period is long and the efficiency is low.
Therefore, how to lay cables on a multi-corner basement bridge frame at one time is a problem to be solved.
Disclosure of Invention
The invention provides a construction method for quickly laying cables on a basement bridge, which can effectively solve the problems.
The invention is realized in the following way:
a construction method for quickly laying cables on a basement bridge comprises the following steps:
s1, installing a quick steering structure, wherein a plurality of steering structures are respectively arranged at each corner in a bridge, and the quick steering structure is used for changing the conveying direction of a cable;
s2, installing a plurality of orientation devices, wherein the orientation devices are arranged in the bridge at intervals and are used for correcting the conveying direction of the cable;
s201, hanging a group of orientation devices on the top of the inlet of the bridge and the top of the outlet of the bridge respectively;
s202, arranging a group of orientation devices in the bridge at intervals of 2-3 meters;
s203, arranging a directional device at a distance of 0.8-1.1m from the rapid steering structure;
the directional device comprises a plurality of groove rollers, the width of the groove roller, which is closer to the rapid steering structure, is narrower, the inner side surface of one side of the directional device is of an arc surface structure, and the arc surface structure of the groove, which is closer to the rapid steering structure, is steeper and steeper;
s3, installing a paying-off device, and installing the paying-off device at a preset position;
s4, laying the cable, namely leading out a guide wire from the paying-off device, enabling the guide wire to pass through the orienting device and the rapid steering structure and pass through an outlet of the bridge, connecting the cable with the guide wire, and adopting the guide wire to lay the cable once.
As a further improvement, the installation height of the orientation device is required to be such that the cable can enter the quick steering structure horizontally through the orientation device.
As a further improvement, the maximum width of the groove roller is 1.3-1.5 times of the diameter of the guide wire, and the diameter of the guide wire is 1.1-1.2 times of the diameter of the cable.
As a further improvement, the guide wire is a steel wire which is bendable and deformable, and the hardness of the guide wire is greater than that of the cable.
As a further improvement, the paying-off device comprises a guide coil, a cable coil and a supporting rod, wherein the guide coil and the cable coil are sequentially arranged on the supporting rod in a vertical rotation mode.
As a further improvement, the specific flow of step S4:
after the guide wire passes through the outlet of the bridge, the guide wire is cut off to the guide wire winding machine, the fracture of the guide wire is connected with the cable at intervals through the winding net, and then the guide wire at the outlet of the bridge is pulled, so that the cable is driven to be laid through the guide wire.
As a further improvement, the speed V1 of the pull-guide wire is smaller than the paying-off speed V2 of the cable reel.
As a further improvement, swift turn to structure includes bottom plate, connecting rod, steel pipe and roof, wherein the one end of connecting rod and the center department fixed connection of roof, just the one end that the roof was kept away from to the connecting rod with the bottom plate passes through lower bearing rotation to be connected, the steel pipe passes through upper bearing rotation to be connected on the connecting rod, the steel pipe with the roof interval sets up, and steel pipe and bottom plate fixed connection.
As a further improvement, the surface of the steel pipe is adhered with a friction material, and the bottom plate is a circular plate with a smooth surface.
As a further improvement, the surface of the top plate is also provided with a guide plate, the guide plate is of a concentric arc structure of the top plate, the guide plate is of a 1/4-1/2 arc structure, and the lowest end of the guide plate and the bottom plate are provided with a gap which is smaller than the height of the cable.
The beneficial effects of the invention are as follows:
1. by arranging a plurality of orientation devices at intervals inside the bridge, the problem of cable abrasion caused by friction with the bottom of the bridge in the cable laying process is avoided.
2. Through adjusting the recess width of orienting device, realized the correction problem to cable transportation direction in the cable laying process, just also avoided cable and bridge to bump and cause the problem of cable damage all around.
3. Through setting up swift steering structure in the corner of crane span structure, realized that the cable realizes the change of cable transport direction in the inside crane span structure, and then accomplished the portable of cable in crane span structure corner and laid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic elevational view of the quick turn structure of the present invention;
FIG. 3 is a schematic view of the bottom view of the roof of the quick turn structure of the present invention;
FIG. 4 is a schematic top view of the floor of the quick steering mechanism of the present invention;
FIG. 5 is a schematic elevational view of the orientation apparatus of the present invention shown in close proximity to a quick steering mechanism;
FIG. 6 is a schematic elevational view of the directional device of the present invention remote from the quick turn configuration;
fig. 7 is a schematic front view of the wire paying-off device according to the present invention.
Reference numerals:
the device comprises a 1-bridge, a 2-paying-off device, a 21-cable coil, a 22-guiding coil, a 3-cable, a 4-guiding device, a 41-groove, a 42-cambered surface structure, a 5-quick steering structure, a 51-top plate, a 52-bottom plate, a 53-guiding plate, a 54-connecting rod, a 55-steel pipe, a 56-upper bearing, a 57-lower bearing and a 58-rubber friction layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, the terms "upper," "lower," "upper," "two ends," and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1 to 7, the present embodiment provides a construction method for rapidly laying a cable 3 on a basement bridge 1, comprising the steps of:
s1, installing a quick steering structure 5, wherein a plurality of steering structures are respectively arranged at each corner in a bridge 1, and the quick steering structure 5 is used for changing the conveying direction of a cable 3;
s2, installing a plurality of orientation devices 4, wherein the orientation devices 4 are arranged in the bridge frame 1 at intervals, and the orientation devices 4 are used for correcting the conveying direction of the cable 3;
s201, hanging a group of orientation devices 4 on the top of the inlet of the bridge 1 and the top of the outlet of the bridge 1 respectively;
s202, arranging a group of orientation devices 4 in the bridge frame 1 at intervals of 2-3 meters;
s203, arranging a directional device 4 at a distance of 0.8-1.1m from the rapid steering structure 5;
s3, installing a paying-off device 2, and installing the paying-off device 2 at a preset position;
s4, laying the cable 3, namely leading out a guide wire from the paying-off device 2, passing the guide wire through the orienting device 4 and the quick steering structure 5, enabling the guide wire to penetrate out of an outlet of the bridge frame 1, connecting the cable 3 with the guide wire, and carrying out one-time laying of the cable 3 by pulling the guide wire.
The hanging of the set of orientation devices 4 at the top of the entrance of the bridge 1 is to prevent the cable 3 from rubbing against the side edge of the entrance of the bridge 1 when entering the bridge 1 from the ground, so as to avoid the surface scratch of the cable 3 at the entrance of the bridge 1, and the hanging of the set of orientation devices 4 at the top of the exit of the bridge 1 has the same effect as the above effect, which is not repeated, and in the laying process of the cable 3, the influence of self gravity of the cable 3 due to the longer laying length of the cable 3 in the bridge 1 can be gradually enhanced, i.e. the cable 3 may rub against the bottom of the bridge 1 in the laying process, thereby causing the damage of the cable 3, in this embodiment, by setting a set of orientation devices 4 at intervals of 2-3 meters in the bridge 1, the situation that the cable 3 rubs against the bottom of the bridge 1 is avoided, and the interval distance between two adjacent sets of orientation devices 4 needs to be designed according to the weight of the cable 3 itself, i.e. the heavier the adjacent sets of orientation devices 4 have a close interval distance, so as to ensure the security in the laying process of the cable 3.
The orientation device 4 is arranged at a distance of 0.8-1.1m from the rapid steering structure 5, so that the cable 3 can stably pass through the rapid steering structure 5, the conveying direction of the cable 3 can be corrected as soon as possible when the cable 3 can be penetrated out of the rapid steering structure 5, the larger deviation of the conveying direction of the cable 3 is avoided, the minimum distance between the rapid steering structure 5 and the orientation device 4 is also adjusted according to the weight of the laid cable 3, namely, the heavier the self weight of the cable 3 is, the smaller the minimum distance between the rapid steering structure 5 and the orientation device 4 is, and the larger deviation of the conveying direction of the cable 3 is further ensured.
Furthermore, the installation height of the orientation device 4 needs to be enough to enable the cable 3 to enter the rapid turning structure 5 horizontally through the orientation device 4, so that the cable 3 can better contact with the rapid turning structure 5, and the conveying direction of the cable 3 is changed through the rapid turning structure 5.
Further, the orientation device 4 includes a plurality of groove 41 rollers, the width of the groove 41 roller closer to the shortcut turning structure 5 is narrower, the inner side surface of one side of the orientation device 4 is an arc surface structure 42, the arc surface structure 42 of the groove 41 closer to the shortcut turning structure 5 is steeper, the maximum width of the groove 41 roller is 1.3-1.5 times of the guide line, and the minimum width of the groove 41 roller is 1.1-1.2 times of the guide line.
Through setting up a plurality of recess 41 gyro wheels, can realize the directional effect to cable 3, namely cable 3 is located recess 41 and carries, secondly through setting up the width of recess 41 to different, it can realize that cable 3 carries the left and right sides direction of position to its in-process and carries out fine adjustment, and finally the rethread is close to swift recess 41 gyro wheel that turns to structure 5 and carries out the accurate positioning of direction to cable 3, and then guarantee that cable 3 can pass through crane span structure 1 accurately, and can not collide with crane span structure 1 inside wall, and set up recess 41 to slightly be greater than cable 3, also can guarantee the smoothness of cable 3 in the transportation process.
Further, the paying-off device 2 includes a guiding coil 22, a cable coil 21 and a supporting rod, the guiding coil 22 and the cable coil 21 are sequentially arranged on the supporting rod in a vertical rotation manner, and the laying process of the cable 3 is as follows: firstly, the paying-off device 2 is integrally placed at a preset position, then a guide wire is led out from the guide wire coil 22, the guide wire enters from an inlet of the bridge frame 1, passes through the orienting device 4 and the rapid steering structure 5 and then passes through an outlet of the bridge frame 1, then the guide wire is cut off from a lifter of the guide wire coil 22, a fracture of the guide wire is connected with the cable 3 at intervals through a winding net, and then the guide wire at the outlet of the bridge frame 1 is pulled, so that the cable 3 is driven by the guide wire to be laid.
Wherein the guide wire is a steel wire capable of bending deformation, the hardness of the guide wire is larger than that of the cable 3, the speed V1 for pulling the guide wire is smaller than the paying-off speed V2 of the coil 21 of the cable 3, and the guide wire can better pass through the orientation device 4 and the quick steering structure 5 by setting the hardness of the guide wire to be larger than that of the cable 3, namely, the cable 3 can be better pulled in place; secondly, through the speed of controlling and pulling the direction line, when avoiding pulling the speed of direction line too fast, the condition that makes the direction line lead to the fact too tight with cable 3, and then the circumstances that the connection of cable 3 and direction line takes place the fracture, also the circumstances that the tensile appears in the inside circumstances of appearance cable 3 also appears, even the circumstances that cable 3 did not satisfy the condition of laying.
Further, the quick steering structure 5 includes a bottom plate 52, a connecting rod 54, a steel tube 55 and a top plate 51, wherein one end of the connecting rod 54 is fixedly connected with the center of the top plate 51, one end of the connecting rod 54 far away from the top plate 51 is rotatably connected with the bottom plate 52 through a lower bearing 57, the steel tube 55 is rotatably connected to the connecting rod 54 through an upper bearing 56, the steel tube 55 is arranged at intervals with the top plate 51, and the steel tube 55 is fixedly connected with the bottom plate 52.
Further, a friction material is adhered to the surface of the steel pipe 55, and the bottom plate 52 is a circular plate having a smooth surface.
The quick steering structure 5 is detachably arranged at the top of the corner of the bridge frame 1 through the top plate 51 and the bolts, and through fixedly connecting the steel pipe 55 with the bottom plate 52, the steel pipe 55 and the bottom plate 52 can rotate together, and as the bottom plate 52 can play a role in supporting the cable 3, namely the bottom plate 52 is contacted with the cable 3 for a long time, when the bottom plate 52 rotates along with the steel pipe 55, the bottom plate 52 and the cable 3 are relatively static, so that the situation that the bottom plate 52 wears the cable 3 is avoided, and the laying process of the cable 3 is better protected; the friction material is adhered to the surface of the steel tube 55, and in this embodiment, the rubber friction layer 58 is adhered to the surface of the steel tube 55, and the rubber friction layer 58 is used to improve the friction force between the steel tube 55 and the cable 3, so as to avoid the situation that the cable 3 slides down on the steel tube 55 or the situation that the steel tube 55 cannot drive the cable 3 through friction force.
Further, the surface of the top plate 51 is further provided with a guide plate 53, the guide plate 53 is a concentric arc structure of the top plate 51, the guide plate 53 is a 1/4-1/2 arc structure, in this embodiment, the guide plate 53 is a concentric arc structure of the top plate 51, and the guide plate 53 is a 1/4 arc structure, that is, the guide plate 53 can realize deflection in a 90 ° direction, and the angle of deflection in the direction of the cable 3 can be modified by changing the arc length of the guide plate 53, so that the applicability of the quick steering structure 5 is improved; the position of the cable 3 after deflection can also be adjusted by changing the radius of the guide plate 53, and the applicability of the quick steering structure 5 can also be improved.
By the rotation of the steel tube 55 and the combined action of the guide plates 53, the cable 3 which is put on the steel tube 55 can be changed along the conveying direction of the guide plates 53 along with the rotation of the steel tube 55, and the cable 3 can be laid at the corner of the bridge 1.
Furthermore, through the use of the plurality of groups of quick steering structures 5 and the cooperation of the plurality of groups of orientation devices 4, the cable 3 is firstly corrected by the plurality of groups of orientation devices 4, then the cable 3 is repeatedly changed in the conveying direction by the plurality of groups of quick steering structures 5, and finally the cable 3 is laid on the bridge frame 1 with the plurality of groups of corners at one time.
Further, the lowest end of the guide plate 53 has a gap with the bottom plate 52, and the gap is smaller than the height of the cable 3, so that the cable 3 is prevented from sliding down when the bottom plate 52 slides, and the guide plate 53 can better guide the cable 3 through the arrangement, that is, the cable 3 is prevented from being in contact with the guide plate 53, and further, a larger deviation in the conveying direction of the cable 3 occurs, so that the cable 3 is inconvenient to be laid once.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The construction method for quickly laying the cable on the basement bridge frame is characterized by comprising the following steps of:
s1, installing a quick steering structure, wherein a plurality of steering structures are respectively arranged at each corner in a bridge, and the quick steering structure is used for changing the conveying direction of a cable;
s2, installing a plurality of orientation devices, wherein the orientation devices are arranged in the bridge at intervals and are used for correcting the conveying direction of the cable;
s201, hanging a group of orientation devices on the top of the inlet of the bridge and the top of the outlet of the bridge respectively;
s202, arranging a group of orientation devices in the bridge at intervals of 2-3 meters;
s203, arranging a directional device at a distance of 0.8-1.1m from the rapid steering structure;
the directional device comprises a plurality of groove rollers, the width of the groove roller, which is closer to the rapid steering structure, is narrower, the inner side surface of one side of the directional device is of an arc surface structure, and the arc surface structure of the groove, which is closer to the rapid steering structure, is steeper and steeper;
s3, installing a paying-off device, and installing the paying-off device at a preset position;
s4, laying the cable, namely leading out a guide wire from the paying-off device, enabling the guide wire to pass through the orienting device and the rapid steering structure and pass through an outlet of the bridge, connecting the cable with the guide wire, and adopting the guide wire to lay the cable once.
2. The method for constructing a rapid cable laying of a basement bridge frame according to claim 1, wherein the installation height of the orientation device is required to satisfy the requirement that the cable can horizontally enter the rapid steering structure through the orientation device.
3. The method for rapid cabling of a basement bridge according to claim 1, wherein the maximum width of the grooves of the grooved rollers is 1.3-1.5 times of the diameter of the guide wire, and the diameter of the guide wire is 1.1-1.2 times of the diameter of the cable.
4. The method of constructing a basement bridge quick laying cable according to claim 1, wherein the guide wire is a steel wire which is bendable and deformable, and the hardness of the guide wire is greater than the hardness of the cable.
5. The method for constructing a rapid cable laying of a basement bridge frame according to claim 1, wherein the pay-off device comprises a guide coil, a cable coil and a support rod, and the guide coil and the cable coil are sequentially arranged on the support rod in a vertical rotation mode.
6. The method for rapid cable laying on a basement bridge according to claim 1, wherein the flow of step S4:
after the guide wire passes through the outlet of the bridge, the guide wire is cut off to the guide wire winding machine, the fracture of the guide wire is connected with the cable at intervals through the winding net, and then the guide wire at the outlet of the bridge is pulled, so that the cable is driven to be laid through the guide wire.
7. The method of claim 6, wherein the velocity V1 of the pull-guide wire is less than the payout velocity V2 of the cable reel.
8. The method for constructing a rapid cable laying bridge of basement according to claim 1, wherein the rapid steering structure comprises a bottom plate, a connecting rod, a steel tube and a top plate, wherein one end of the connecting rod is fixedly connected with the center of the top plate, one end of the connecting rod far away from the top plate is rotatably connected with the bottom plate through a lower bearing, the steel tube is rotatably connected to the connecting rod through an upper bearing, the steel tube is arranged at intervals with the top plate, and the steel tube is fixedly connected with the bottom plate.
9. The method for constructing a rapid cable laying for a bridge of a basement according to claim 8, wherein the surface of the steel pipe is adhered with a friction material, and the bottom plate is a circular plate having a smooth surface.
10. The method for constructing a rapid cable laying on a basement bridge frame according to claim 8, wherein a guide plate is further arranged on the surface of the top plate, the guide plate is of a concentric arc structure of the top plate, the guide plate is of a 1/4-1/2 arc structure, and the lowest end of the guide plate and the bottom plate have a gap which is smaller than the height of the cable.
CN202310952072.5A 2023-07-31 2023-07-31 Construction method for rapid cable laying of basement bridge Pending CN116960837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310952072.5A CN116960837A (en) 2023-07-31 2023-07-31 Construction method for rapid cable laying of basement bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310952072.5A CN116960837A (en) 2023-07-31 2023-07-31 Construction method for rapid cable laying of basement bridge

Publications (1)

Publication Number Publication Date
CN116960837A true CN116960837A (en) 2023-10-27

Family

ID=88454513

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310952072.5A Pending CN116960837A (en) 2023-07-31 2023-07-31 Construction method for rapid cable laying of basement bridge

Country Status (1)

Country Link
CN (1) CN116960837A (en)

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