CN115189288A - Cable laying system and method in bridge - Google Patents
Cable laying system and method in bridge Download PDFInfo
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- CN115189288A CN115189288A CN202110578370.3A CN202110578370A CN115189288A CN 115189288 A CN115189288 A CN 115189288A CN 202110578370 A CN202110578370 A CN 202110578370A CN 115189288 A CN115189288 A CN 115189288A
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- 238000005096 rolling process Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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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 discloses a cable laying system in a bridge frame, which comprises a cable and a plurality of laying machines uniformly distributed along a cable laying path, wherein the laying machines are in wireless connection with a control terminal; the laying machine is provided with a rolling device for clamping the cable and pushing the cable forwards under the drive of the motor; the rolling device comprises a main driving wheel and a driven wheel, wherein a clamping channel is formed in front of the main driving wheel and the driven wheel so as to allow a cable to pass through; the outer walls of the main driving wheel and the driven wheel are respectively matched with the outer wall of the cable. The invention also discloses a method, after the cable is sent into the clamping channel of the nth laying machine, controlling n-1 laying machines in front to be synchronously closed, clamping the cable in the clamping channel of the nth laying machine, synchronously starting all the laying machines which are put into use under the condition that all the laying machines which are put into use realize stable clamping on the cable until the front end of the cable reaches the clamping channel of the next laying machine, and repeating the steps of synchronously stopping or starting the laying machines until the cable is laid in place.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a system and a method for laying cables in a bridge.
Background
In the laying of electric wires, considerable labor is required for the laying of the electric cables due to the resistance caused by the friction between the bridge and the electric cables. The electric wire lays not only the operating personnel and drops into more, more because the crane span structure height is dark and the operation space is narrow in the crane span structure, leads to operating condition very abominable and work efficiency to reduce.
In order to solve this problem, the prior art proposes to use a wire laying robot for the laying work. A control system of a wire laying robot is disclosed in chinese patent publication No. Cn104416573B, exclusively for 2016, 7, month, 6, the system including: a plurality of wire laying robots driven by air pressure, installed on the cable tray, and laying cables; an operation panel for controlling the drive of the plurality of wire laying robots in a linked manner; an air pressure supply unit configured to supply air pressure to the plurality of wire laying robots; and a plurality of pneumatic lines connected between the plurality of electric wire laying robots and the pneumatic supply part, respectively, to supply a driving source for driving and controlling the electric wire laying robots, the pneumatic lines being connected to each other by a composite joint, the pneumatic lines including: a hose supplying or discharging air for driving the wire-laying robot; and a power supply line provided in the hose for supplying power for controlling the wire-laying robot. This patent is through respectively coordinated control a plurality of electric wire laying robots and solve the trouble that takes place on the robot, and the key lies in laying the independent control of robot, but its laying robot passes through atmospheric pressure drive, needs to lay atmospheric pressure supply part, atmospheric pressure pipeline etc. specially, leads to laying the setting time before long, and cable laying cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a system and a method for laying cables in a bridge, which are used for solving the problems of small space and low laying efficiency of cable laying operation in the bridge.
According to one aspect of the specification of the invention, the cable laying system in the bridge comprises a cable and a plurality of laying machines uniformly distributed along a cable laying path, wherein the laying machines are all in wireless connection with a control terminal;
the laying machine is provided with a rolling device for clamping the cable and pushing the cable forwards under the drive of the motor;
the rolling device comprises a main driving wheel and a driven wheel, wherein a clamping channel is formed in front of the main driving wheel and the driven wheel so as to allow a cable to pass through; the outer walls of the main driving wheel and the driven wheel are respectively matched with the outer wall of the cable.
In the technical scheme, the number of the laying machines and the spacing distance between the adjacent laying machines are determined firstly, then the laying machines are laid in the bridge, and the laying machines are in wireless connection with the control terminal respectively so as to synchronously control the starting or stopping of the laying machines through the control terminal; the laying machine is provided with a rolling device, the rolling device clamps a cable and pushes the cable to move, a clamping channel is formed between the rolling device and a driven wheel through a main driving wheel to enable the cable to penetrate and be fastened, then the main driving wheel is driven to rotate, the driven wheel is driven to rotate, and the cable is pushed to move. And the cable is laid on the whole path by matching the multiple laying machines.
According to a further technical scheme, hourglass-shaped depressions are formed in the outer walls of the main driving wheel and the driven wheel, and the concave radian of the hourglass-shaped depressions is matched with the radian of the outer wall of the cable. The outer walls of the main driving wheel and the driven wheel are designed into shapes matched with the outer wall of the cable, so that the cable and the rolling device can be clamped more stably, and the cable is pushed to move forwards or upwards through the rolling action of the rolling device.
As a further technical scheme, one side of the driven wheel is provided with an adjusting mechanism for adjusting the relative distance between the driven wheel and the main driving wheel. Because there may be multiple sizes of cables in the tray, in order to make the clamping channel better fit the cables, the clamping channel needs to be adjustable to accommodate the different sizes of cables.
Furthermore, when the cable is not clamped, the distance between the main driving wheel and the driven wheel is larger than the outer diameter of the cable, after the cable penetrates into the clamping channel, the distance between the main driving wheel and the driven wheel is reduced by adjusting the driven wheel, so that the outer wall of the cable is in close contact with the outer wall of the main driving wheel and the outer wall of the driven wheel and does not slip, and the purpose of clamping and fastening the cable is achieved.
Furthermore, the adjusting mechanism comprises a support frame, the two ends of the rotating shaft of the driven wheel are movably connected with the support frame, a guide rail is arranged on the support frame, and the rotating shaft can move on the guide rail along the axis direction of the driven wheel. For example, the two ends of the rotating shaft are connected with the supporting frame through the push rods, when the spacing distance between the driven wheel and the main driving wheel needs to be adjusted, the push rods are screwed out through a wrench or other tools, the rotating shaft moves for a certain distance along the guide rail, the driven wheel is driven to move on the guide rail, and after the distance between the main driving wheel and the driven wheel is adjusted to be capable of clamping and fastening a cable, the push rods are screwed, and the position of the driven wheel is fixed.
As a further technical scheme, a guide mechanism is arranged on a laying path between two adjacent laying machines and used for guiding a cable from the previous laying machine to the next adjacent laying machine. And a plurality of auxiliary guide mechanisms are arranged in the bridge frame to ensure that the direction of the cable can be forwards or upwards along the bridge frame.
According to a further technical scheme, the system further comprises a pay-off rack, wherein a cable reel is arranged on the pay-off rack, and the cable is led out through the cable reel and laid on a preset path through a plurality of laying machines.
As a further technical scheme, the laying machines are arranged along the horizontal direction or along the vertical direction. When the laying machine is laid along the horizontal direction, the cable can be pushed to move forwards in the bridge; when the laying machine is arranged along the vertical direction, the cable can be pushed to move upwards in the bridge frame.
As a further technical scheme, the number of the main driving wheels is 2, and the number of the driven wheels is 3. The main driving wheel is connected with the motor and driven by the motor to rotate, and the main driving wheel rotates to drive the driven wheel to rotate so as to push the cable to move forwards or upwards.
According to an aspect of the present specification, there is provided an in-bridge cable laying method implemented by the system, the method including:
determining the laying consistent end and priority of each cable in the bridge;
determining the number of the laying machines and the distance between the adjacent laying machines, and fixing the laying machines;
after the cable is pulled into a clamping channel of the first laying machine and clamped and fastened, the first laying machine is started to push the cable to move forwards or upwards in the bridge frame;
after the cable is sent into the clamping channel of the nth laying machine, synchronously closing the front n-1 laying machines, and clamping and fastening the cable in the clamping channel of the nth laying machine;
and synchronously starting the nth laying machine and the previous n-1 laying machines, and continuously pushing the cable to move forwards or upwards until the cable is laid in place.
In the technical scheme, firstly, the laying priority of cables to be laid, a consistent end and each cable in a bridge frame is determined through software, and a laying scheme comprising a laying path, a laying priority and a laying starting terminal is generated; then determining the number of required laying machines on each laying path and the distance between adjacent laying machines, installing the laying machines and starting cable laying, wherein the start or stop of all the laying machines which are put into use is uniformly controlled by a control terminal; in the process of laying cables, after cables are sent into a clamping channel of an nth laying machine, n-1 previous laying machines are controlled to be synchronously closed through a remote controller, the cables are clamped in the clamping channel of the nth laying machine, the clamping requirement is that the laying machines are in tight contact with the cables and do not slip, then the nth laying machine and the n-1 previous laying machines are controlled to be synchronously started through the remote controller, and the cables are continuously pushed to move forwards or upwards until the cables are laid in place.
In the technical scheme, all the used laying machines are synchronously started or closed, so that the damage to cables caused by asynchronism among the laying machines can be avoided, wherein the synchronous control of each laying machine is realized by a manual control remote controller, and when all the used laying machines clamp the cables stably, all the used laying machines can be synchronously started until the front ends of the cables reach the clamping channel of the next laying machine.
As a further technical solution, the method further comprises:
obtaining the model, the constant end and the path of each cable in the bridge according to an architectural design drawing;
recording the type and the all-along end of the cable contained in the cable bridge in each path into the cable bridge;
automatically generating three-dimensional models of all cables according to the path consistent end;
and carrying out one-key automatic arrangement based on the arrangement principle.
In the technical scheme, the arrangement principle is as follows: (1) minimal cable crossover; (2) when the occupied space of the cable is larger than the width of the bridge, the cables are automatically arranged in a layered mode.
As a further technical solution, the method further comprises: determining the spacing distance of the laying machines according to the cable model, the speed of the laying machines and the thrust of the laying machines, and determining the number of the laying machines according to the path length and the determined spacing distance of the laying machines.
Compared with the prior art, the invention has the beneficial effects that:
(1) The cable laying system provided by the invention realizes automatic laying of cables through mutual matching of the laying machines, does not need to configure more auxiliary equipment for the laying machines compared with the existing laying robot, reduces the time for setting before laying and improves the laying efficiency. The system firstly determines the number of the laying machines and the spacing distance between the adjacent laying machines, then the laying machines are arranged in the bridge frame, and the laying machines are respectively in wireless connection with the control terminal, so that the control terminal can be used for synchronously controlling the starting or stopping of the laying machines; the system is characterized in that the laying machine is provided with a rolling device, the rolling device clamps the cable and pushes the cable to move, a clamping channel is formed by the rolling device and a driven wheel through a main driving wheel to enable the cable to pass through and be fastened, then the main driving wheel is driven to rotate to drive the driven wheel to rotate, so that the cable is pushed to move, and the laying of the cable on the whole path is completed through the matching of a plurality of laying machines.
(2) According to the invention, the outer walls of the main driving wheel and the driven wheel are designed to be provided with the hourglass-shaped depressions, and the concave radian of the hourglass-shaped depressions is matched with the radian of the outer wall of the cable, so that the cable and the rolling device can be clamped more stably, and the cable is pushed to move forwards or upwards through the rolling action of the rolling device.
(3) In the cable laying method provided by the invention, after a cable is fed into a clamping channel of an nth laying machine, n-1 laying machines in the front are controlled to be synchronously closed, the cable is clamped in the clamping channel of the nth laying machine, all the laying machines which are put into use can be synchronously started under the condition that all the laying machines which are put into use realize stable clamping on the cable until the front end of the cable reaches the clamping channel of the next laying machine, and the step of synchronously stopping or starting the laying machines is repeated until the cable is laid in place. In the method, all the used laying machines are synchronously started or closed, so that the cable can be prevented from being damaged due to asynchronism among the laying machines.
Drawings
Fig. 1 is a schematic view of a laying start of a cable laying system arranged in a horizontal direction according to an embodiment of the present invention.
Fig. 2 is a schematic end-of-run diagram of a cable laying system arranged in a horizontal direction according to an embodiment of the present invention.
Fig. 3 (a) - (b) are schematic diagrams illustrating connection between a rolling device and a cable according to an embodiment of the present invention.
Fig. 4 is a schematic view of a cable laying system in a vertical orientation according to an embodiment of the present invention.
Fig. 5 is a schematic flow chart of a cable laying method according to an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the present embodiment provides an intra-tray cable laying system, which includes a cable, and a plurality of laying machines uniformly arranged along a cable laying path, wherein the laying machines are all wirelessly connected to a control terminal. The cable laying system is arranged along the horizontal direction, wherein, fig. 1 shows a laying initial state, and a cable passes through a clamping channel of a laying machine 1; fig. 2 shows the end of laying condition, where the cable reaches the end of laying after being pushed by n laying machines.
The system further comprises a pay-off rack, wherein a cable reel is arranged on the pay-off rack, and the cable is led out through the cable reel and laid on a preset path through a plurality of laying machines.
The laying machine is provided with a rolling device, the rolling device comprises 2 main driving wheels and 3 driven wheels, and clamping channels are formed in front of the main driving wheels and the driven wheels so that cables can penetrate through the clamping channels; the outer walls of the main driving wheel and the driven wheel are respectively matched with the outer wall of the cable.
As an embodiment, as shown in fig. 3 (a) - (b), the outer walls of the main driving wheel and the driven wheel are formed with hourglass-shaped recesses, and the concave radian of the hourglass-shaped recesses is matched with the radian of the outer wall of the cable. Therefore, the clamping between the cable and the rolling device is more stable, and the cable is pushed to move forwards or upwards through the rolling action of the rolling device.
And one side of the driven wheel is provided with an adjusting mechanism for adjusting the relative distance between the driven wheel and the main driving wheel. Because there may be cables of multiple sizes in the tray, in order to make the clamping channel fit better with the cable, the clamping channel needs to be adjustable to accommodate cables of different sizes. When not centre gripping cable, the main drive wheel with follow the external diameter that the interval between the driving wheel is greater than the cable, wait to penetrate the centre gripping passageway with the cable after, reduce the main drive wheel with follow the interval between the driving wheel through the adjustment from the driving wheel, make the outer wall of cable and main drive wheel and follow the outer wall in close contact with of driving wheel not skid, reach the purpose with cable centre gripping fastening.
As an implementation manner, the adjusting mechanism includes a support frame, two ends of the rotating shaft of the driven wheel are movably connected with the support frame, a guide rail is arranged on the support frame, and the rotating shaft can move on the guide rail along the axis direction of the driven wheel. For example, the both ends of pivot are connected with the support frame through the push rod, and when the spacing distance of follow driving wheel and main drive wheel need to be adjusted, screw out the push rod through spanner or other instrument, make the pivot remove certain distance along the guide rail, drive and move on the guide rail from the driving wheel, after main drive wheel and the distance adjustment between the follow driving wheel can the centre gripping and fasten the cable, screw the push rod, the fixed position from the driving wheel. Other devices capable of achieving adjustment of the distance between the driven wheel and the main driving wheel are within the scope of the present embodiment for those skilled in the art.
In one embodiment, a guiding mechanism is provided in the laying path between two adjacent laying machines for guiding the cable from the previous laying machine to the next adjacent laying machine. And a plurality of auxiliary guide mechanisms are arranged in the bridge frame to ensure that the direction of the cable can be forwards or upwards along the bridge frame.
Example 2
As shown in fig. 4, unlike embodiment 1, in the cable laying system of this embodiment, a plurality of the laying machines are arranged in the vertical direction, and the cables are pushed to move upward in the bridge.
Example 3
The embodiment provides a cable laying method in a bridge, which is realized by adopting a cable laying system, wherein the cable laying system comprises a cable, a plurality of laying machines arranged along a cable laying path, a pay-off rack and a cable reel placed on the pay-off rack.
As shown in fig. 5, the method comprises the steps of:
step 1, determining the laying throughout end and priority of each cable in the bridge.
Firstly, obtaining the model, the consistent end and the path of each cable in the bridge according to the architectural design drawing. Then cable arrangement is carried out based on the acquired information, and the method specifically comprises the following steps: recording the type and the consistent end of the cable contained in the cable bridge in each path into the cable bridge; automatically generating three-dimensional models of all cables according to the path consistent end; and carrying out one-key automatic arrangement based on the arrangement principle.
Wherein, the principle of arranging does: (1) minimal cable crossover; (2) when the occupied space of the cable is larger than the width of the bridge, the cables are automatically arranged in a layered mode.
And 2, determining the number of the laying machines and the distance between the adjacent laying machines, and fixing the laying machines. The method comprises the steps of determining the distance between the laying machines according to the cable model, the speed of the laying machines and the thrust of the laying machines, and determining the number of the laying machines according to the path length and the determined distance between the laying machines. The cable model can be obtained from the construction drawing, the speed and the thrust of the laying machine can be obtained from the configuration parameters of the laying machine, and the path length can be obtained from the step 1.
The cable models are different, so that the force required for moving the cable is different, the force required for pushing the cable to move can be determined according to the cable models, and then the power which can be provided for the cable when the laying machine works is estimated by combining the pushing force of the laying machine and the speed of the laying machine, so that the distance which can enable the cable to move within the allowable working range of the laying machine is obtained, and the spacing distance between adjacent laying machines is further determined. After the distance between adjacent laying machines is determined, the number of laying machines to be laid is determined according to the length of the path to be laid.
And 3, pulling the cable into a clamping channel of the first laying machine, clamping and fastening, starting the first laying machine, and pushing the cable to move forwards or upwards in the bridge frame. Wherein, the requirement of centre gripping fastening is for guaranteeing that the laying machine does not skid with cable in close contact.
A plurality of auxiliary guide mechanisms are arranged on the laying path, and can directly guide the cable to a clamping channel of a next laying machine; alternatively, the cable is guided into the clamping channel by means of a pulling tool after the leading end of the cable reaches the next laying machine.
And 4, after the cable is fed into the clamping channel of the nth laying machine, synchronously closing the previous n-1 laying machines, and clamping and fastening the cable in the clamping channel of the nth laying machine.
And judging whether the cable reaches the clamping channel of the nth laying machine or not through manual field judgment, and closing the front n-1 laying machines through a handheld remote controller after judging that the cable reaches the clamping channel. Or, whether the cable reaches the clamping channel can be automatically detected by using sensing equipment or detecting equipment, when the cable is detected to reach the clamping channel, the laying machines are automatically triggered to send signals to the controller, and the controller shuts down the front n-1 laying machines. It will be apparent to those skilled in the art that the foregoing manual determination, automatic determination by a device, or a combination of both are possible implementations.
Step 5, synchronously starting the nth laying machine and the previous n-1 laying machines, and continuously pushing the cable to move forwards or upwards;
and 6, repeating the steps 4-5 until the cable is laid in place.
In the method, all the used laying machines are synchronously started or closed, so that the damage to cables caused by asynchronism among the laying machines can be avoided, wherein the synchronous control of each laying machine is realized by a manual control remote controller, and all the used laying machines can be synchronously started under the condition that the cables are stably clamped by all the used laying machines until the front ends of the cables reach the clamping channel of the next laying machine.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (10)
1. A cable laying system in a bridge frame is characterized by comprising a cable and a plurality of laying machines uniformly distributed along a cable laying path, wherein the laying machines are all in wireless connection with a control terminal;
the laying machine is provided with a rolling device for clamping the cable and pushing the cable forwards under the drive of the motor;
the rolling device comprises a main driving wheel and a driven wheel, wherein a clamping channel is formed in front of the main driving wheel and the driven wheel so as to allow a cable to pass through; the outer walls of the main driving wheel and the driven wheel are respectively matched with the outer wall of the cable.
2. The intra-tray cable laying system of claim 1, wherein the outer walls of said primary and secondary drive wheels each define an hourglass-shaped recess having an inward concave curvature that matches the curvature of the outer wall of the cable.
3. The intrabay cabling system of claim 1, wherein the driven wheel is provided with an adjustment mechanism on one side thereof for adjusting the relative distance between the driven wheel and the main drive wheel.
4. An in-bridge cable laying system according to claim 1, wherein a guide means is provided in the laying path between adjacent laying machines for guiding a cable from a previous laying machine to an adjacent next laying machine.
5. The system of claim 1, further comprising a pay-off reel, wherein the pay-off reel has a cable drum, and wherein the cable is drawn from the cable drum and routed to a predetermined path by a plurality of applicators.
6. The intrabay cable laying system as defined in claim 1, wherein a plurality of said laying machines are arranged in a horizontal or vertical orientation.
7. The intrabay cabling system of claim 1, wherein there are 2 primary drive wheels and 3 secondary drive wheels.
8. An in-tray cable laying method implemented using the system of any one of claims 1-7, the method comprising:
determining the laying consistent end and priority of each cable in the bridge;
determining the number of the laying machines and the distance between the adjacent laying machines, and fixing the laying machines;
after the cable is drawn into a clamping channel of the first laying machine and clamped and fastened, starting the first laying machine to push the cable to move forwards or upwards in the bridge;
after the cable is sent into the clamping channel of the nth laying machine, synchronously closing the front n-1 laying machines, and clamping and fastening the cable in the clamping channel of the nth laying machine;
and synchronously starting the nth laying machine and the previous n-1 laying machines, and continuously pushing the cable to move forwards or upwards until the cable is laid in place.
9. The method of laying cable within a tray of claim 8, further comprising:
obtaining the model, the constant end and the path of each cable in the bridge according to an architectural design drawing;
recording the type and the consistent end of the cable contained in the cable bridge in each path into the cable bridge;
automatically generating three-dimensional models of all cables according to the path consistent end;
and carrying out one-key automatic arrangement based on the arrangement principle.
10. The method of laying cable within a tray of claim 8, further comprising: determining the spacing distance of the laying machines according to the cable type, the speed of the laying machines and the thrust of the laying machines, and determining the number of the laying machines according to the path length and the determined spacing distance of the laying machines.
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| CN202110578370.3A CN115189288A (en) | 2021-05-26 | 2021-05-26 | Cable laying system and method in bridge |
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| CN202651702U (en) * | 2012-07-17 | 2013-01-02 | 中建五局工业设备安装有限公司 | Shaft cable paying-off laying limiter |
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| CN109217184A (en) * | 2018-08-07 | 2019-01-15 | 国网江苏省电力有限公司无锡供电分公司 | Big section, high drop Voltage Cable Lines Construction high point non junction continuously lay engineering method |
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| CN210326738U (en) * | 2019-08-27 | 2020-04-14 | 中建八局第二建设有限公司 | Multifunctional threading device |
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