Underground section looped network cable laying device and laying method

Abstract

The invention discloses an underground section looped network cable laying device, and relates to the technical field of underground section looped network cable laying, the underground section looped network cable laying device comprises a pay-off trolley and a horizontal cable pay-off reel, the pay-off trolley is used for walking on a magnetic levitation track, and the horizontal cable pay-off reel is arranged on the pay-off trolley and is used for bearing a looped network cable reel; wherein the horizontal cable pay-off reel comprises a supporting frame and a cable tray, the supporting frame is supported on the pay-off trolley, a rotating shaft is vertically arranged on the supporting frame, a roller is further arranged at the top of the supporting frame, the cable tray is arranged on the outer side of the rotating shaft in a sleeving mode and supported on the roller, and the cable tray is arranged on the supporting frame. The cable tray is used for bearing the looped network cable reel. The invention further discloses an underground section looped network cable laying method which is implemented by adopting the underground section looped network cable laying device. The construction period can be greatly shortened on the basis of guaranteeing the personal safety of workers.

Description

Technical Field

[0001] The present invention relates to the technical field of underground section ring network cable laying, and in particular to an underground section ring network cable laying device and a laying method. Background Art

[0002] As a new type of rail transportation, medium and low speed maglev transportation has received extensive attention and research in recent years due to its unique suspension, guidance and driving technologies, as well as its advantages such as low noise, low energy consumption and low maintenance cost.

[0003] In order to realize the suspended operation of maglev trains, the train tracks are installed on the track-bearing beams at a certain height from the ground. The track structure of the underground section of medium and low-speed maglev transportation is significantly different from the traditional wheel-rail rail transportation. Specifically, drainage ditches are set on the ground on both sides of the track-bearing beams, and evacuation platforms, pipelines, brackets, electromechanical equipment and other facilities are set on both sides of the track. The ring network cables of the underground section of medium and low-speed maglev transportation are laid on the ring network cable brackets under the evacuation platforms, and the F-track design of the curved section of the underground section has a slope, that is, one side of the track is low and the other side is high.

[0004] Due to the special track form and building facility layout of underground sections, unlike the subway system, the laying of ring network cables in the underground sections of medium and low-speed maglev transportation cannot be directly carried out using large rail vehicles for efficient operations. The traditional vertical cable pay-off rack cannot be safely and effectively used for laying ring network cables in this environment. Under the complex working conditions of curved tunnels, if the vertical pay-off rack is forcibly used, the cable drum is very likely to overturn due to the high center of gravity and easy deviation when turning, which will cause a rollover accident or endanger the lives of workers.

[0005] Therefore, an underground section ring network cable laying device and laying method are provided to solve the above-mentioned technical problems existing in the prior art. Summary of the invention

[0006] The purpose of the present invention is to provide an underground section ring network cable laying device and laying method to solve the problems existing in the above-mentioned prior art, and to significantly shorten the construction period while ensuring the personal safety of workers.

[0007] To achieve the above object, the present invention provides the following solutions:

[0008] The present invention provides an underground section ring network cable laying device, comprising a wire-paying trolley and a horizontal cable pay-off drum, wherein the wire-paying trolley is used for walking on a magnetic levitation track, and the horizontal cable pay-off drum is arranged on the wire-paying trolley and is used for carrying the ring network cable drum; wherein the horizontal cable pay-off drum comprises a support frame and a cable tray, wherein the support frame is supported on the wire-paying trolley, and a rotating shaft is vertically arranged on the support frame, and a roller is also arranged on the top of the support frame, the cable tray is sleeved on the outside of the rotating shaft and supported on the roller, and the cable tray is used for carrying the ring network cable drum.

[0009] Preferably, the wire-paying trolley comprises a trolley frame and running wheels, and the running wheels are arranged at the bottom of the trolley frame and can drive the trolley frame to move.

[0010] Preferably, the trolley frame is a rectangular frame formed by welding thick-walled square tubes, and the travel wheels are arranged at the four corners of the bottom of the rectangular frame.

[0011] Preferably, U-shaped brackets are provided at the four corners of the bottom of the rectangular frame, the U-shaped brackets are forged from thickened steel plates, and the travel wheels are rotatably provided on the U-shaped brackets;

[0012] Wherein, the running wheel is made of nylon material, and the running wheel is installed on the U-shaped bracket by bolts.

[0013] Preferably, the support frame is a field-shaped support frame, including four side beams and two middle beams, the four side beams form a rectangular structure, and two oppositely arranged side beams are connected by an middle beam; wherein the middle beam and the side beam are both welded from two channel steels arranged side by side.

[0014] Preferably, the rotating shaft is vertically arranged at the center of the supporting frame, the rollers are provided with multiple circles, and any circle includes multiple rollers, and the multiple rollers are evenly distributed around the rotating shaft.

[0015] Preferably, the cable tray is a circular tray made of a steel plate, a shaft hole is provided in the middle of the circular tray, and the circular tray is sleeved on the outer side of the rotating shaft through the shaft hole;

[0016] The four corners of the support frame are all provided with hanging rings.

[0017] Preferably, it further comprises a support beam, which is arranged on the top of the wire-releasing trolley and is used to support the support frame;

[0018] Wherein, the support beam is a square sleeper, and the square sleeper is supported directly below the side beam or the middle beam and is parallel to the corresponding side beam or the middle beam.

[0019] The present invention also provides an underground section ring network cable laying method, which is implemented by using the underground section ring network cable laying device as described above, and comprises the steps of:

[0020] S1. Hoisting the underground section ring network cable laying device onto the maglev track;

[0021] S2. hoisting the ring network cable drum in a lying and horizontal position onto the underground section ring network cable laying device;

[0022] S3. Pull the underground section ring network cable laying device forward and rotate the ring network cable drum to perform the ring network cable laying operation.

[0023] Preferably, before step S1, the method further comprises the following steps:

[0024] S101. Assemble the underground section ring network cable laying device, lay the support beams on the cable-laying trolley in the same direction, and place the horizontal cable pay-off drum on the support beams.

[0025] Compared with the prior art, the present invention has achieved the following technical effects:

[0026] The present invention arranges a horizontal cable pay-off drum on the pay-off trolley, which can place the ring network cable drum in a lying and horizontal posture, avoiding the problem of the vertical pay-off frame that the cable drum has a high center of gravity and is easy to deviate when turning, which is very likely to cause the cable drum to overturn, thereby ensuring the personal safety of workers, reducing construction intensity, and greatly shortening the construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 This is a working schematic diagram of an underground section ring network cable laying device in an embodiment of the present invention;

[0029] Figure 2 It is a structural schematic diagram of an underground section ring network cable laying device in an embodiment of the present invention;

[0030] Figure 3 It is a top view of the horizontal cable pay-off drum in an embodiment of the present invention.

[0031] In the figure: 1-cable pay-off trolley; 101-trolley frame; 102-U-shaped bracket; 103-travel wheel; 2-sleeper; 3-horizontal cable pay-off drum; 301-support frame; 302-roller; 303-cable tray; 304-rotating shaft; 305-hanging ring; 4-ring network cable drum. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The purpose of the present invention is to provide an underground section ring network cable laying device and laying method to solve the problems existing in the above-mentioned prior art, and to significantly shorten the construction period while ensuring the personal safety of workers.

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Embodiment 1

[0036] like Figure 1-Figure 3 As shown, in this embodiment, an underground section ring network cable laying device is provided, which mainly includes a wire-paying trolley 1 and a horizontal cable pay-off drum 3, the wire-paying trolley 1 is used to walk on the magnetic levitation track, and the horizontal cable pay-off drum 3 is arranged on the wire-paying trolley 1, and is used to carry the ring network cable drum 4; wherein, the horizontal cable pay-off drum 3 includes a support frame 301 and a cable tray 303, the support frame 301 is supported on the wire-paying trolley 1, and a rotating shaft 304 is vertically arranged on the support frame 301, and a roller 302 is also arranged on the top of the support frame 301, the cable tray 303 is sleeved on the outside of the rotating shaft 304, and is supported on the roller 302 for easy rotation, and the cable tray 303 is used to carry the ring network cable drum 4.

[0037] In this embodiment, a horizontal cable pay-off drum 3 is arranged on the pay-off trolley 1, so that the ring network cable drum 4 can be placed in a lying and horizontal posture, avoiding the problem of the vertical pay-off frame that the cable drum has a high center of gravity and is easy to deviate when turning, which is very likely to cause the cable drum to overturn. Therefore, the personal safety of the workers can be guaranteed, the construction intensity can be reduced, and the construction period can be greatly shortened.

[0038] In this embodiment, the wire-laying trolley 1 mainly includes a trolley frame 101 and running wheels 103. The running wheels 103 are arranged at the bottom of the trolley frame 101 and can drive the trolley frame 101 to move. Specifically, the trolley frame 101 is preferably a rectangular frame, and is welded with thick-walled square tubes to ensure the overall stability and durability. The running wheels 103 are arranged at the four corners of the bottom of the rectangular frame.

[0039] In this embodiment, U-shaped brackets 102 are provided at the four corners of the bottom of the rectangular frame. The U-shaped brackets 102 are forged with thickened steel plates. The walking wheels 103 are rotatably provided on the U-shaped brackets 102 , and the U-shaped brackets 102 provide stable support for the walking wheels 103 .

[0040] Furthermore, the travel wheel 103 is preferably made of a thickened nylon material with high hardness, high wear resistance and high load-bearing capacity, and the travel wheel 103 is installed on the U-shaped bracket 102 by high-strength bolts, so that the travel wheel 103 can be easily replaced when it is severely worn.

[0041] In this embodiment, the support frame 301 is preferably a field-shaped support frame, including four side beams and two middle beams, the four side beams form a rectangular structure, and the two oppositely arranged side beams are connected by a middle beam; wherein the middle beam and the side beam are both welded from two channel steels arranged side by side.

[0042] In this embodiment, the rotating shaft 304 is vertically arranged at the center of the support frame 301. A thickened seamless steel pipe is welded at the center of the support frame 301, which is used to firmly and reliably fix the rotating shaft 304. The height of the seamless steel pipe is slightly lower than the highest point of the above-mentioned roller 302. The roller 302 is provided with multiple circles, and any circle includes multiple rollers 302, and the multiple rollers 302 are evenly distributed around the rotating shaft 304; specifically, as a preferred embodiment, the roller 302 is provided with two circles, the inner circle is provided with four rollers 302, and the four rollers 302 are distributed in a square shape with the center of the support frame 301, and the outer circle is provided with eight rollers 302, and the eight rollers 302 are arranged in a circular array with the center of the support frame 301, and the angle of the roller 302 is set along the circumferential direction.

[0043] In this embodiment, all rollers 302 are steel pulleys and are mounted on the support frame 301 via a U-shaped pulley bracket. All rollers 302 and their U-shaped pulley brackets have the same size, and the centers of the rollers 302 are at the same horizontal height.

[0044] In this embodiment, the cable tray 303 is preferably a circular tray made of steel plate. An axial hole is provided in the middle of the circular tray, and its diameter is slightly larger than the diameter of the rotating shaft 304. The circular tray is sleeved on the outside of the rotating shaft 304 through the axial hole, ensuring that the rotating shaft 304 can pass through smoothly while maintaining a proper tightness, avoiding any unnecessary shaking or looseness.

[0045] In this embodiment, U-shaped hanging rings 305 are provided at the four corners of the support frame 301 to serve as hanging points for hoisting the horizontal cable pay-off drum 3 .

[0046] In this embodiment, a support beam is also included, and the support beam is arranged on the top of the wire-paying trolley 1, and is used to support the support frame 301; wherein the support beam is a square sleeper 2, and the square sleeper 2 is supported directly below the side beam or the middle beam, and is parallel to the corresponding side beam or the middle beam. The square sleeper 2 can bear the weight of the horizontal cable pay-off drum 3 and the vibration during the cable hoisting process, and can prevent the horizontal cable pay-off drum 3 from being compressed and deformed. In addition, it plays a role in increasing the friction between the wire-paying trolley 1 and the horizontal cable pay-off drum 3, ensuring the position and stability of the horizontal cable pay-off drum 3 during transportation and operation, and preventing the position of the horizontal cable pay-off drum 3 from shifting or shaking, thereby ensuring the stability and safety of the entire device during the cable laying operation.

[0047] The present invention also provides an underground section ring network cable laying method, which is implemented by using the underground section ring network cable laying device as described above, and mainly comprises the steps of:

[0048] 1. Lay the square sleepers 2 on the cable-laying trolley 1 in a uniform orientation. Then, use the lifting equipment to securely place the horizontal cable pay-off drum 3 on these square sleepers 2. During this process, pay attention to adjusting the position of the square sleepers 2 so that each square sleeper 2 is directly below the corresponding channel steel axis (parallel to the direction of the square sleeper 2).

[0049] 2. Lift the ring network cable laying device onto the maglev track as a whole, and use four high-strength polyester binding belts to firmly bind the horizontal cable pay-off drum 3 and the pay-off trolley 1 together to ensure the high stability and safety of the entire cable laying device during transportation and operation.

[0050] 3. Hoist the ring network cable drum 4 in a lying and horizontal position onto the underground section ring network cable laying device. During the hoisting process, precise guidance is required to ensure that the ring network cable drum 4 passes through the rotating shaft 304 smoothly to achieve accurate docking of the two.

[0051] 4. The construction workers use ropes to pull the ring network cable laying device forward and rotate the ring network cable reel 4 to lay the ring network cable. The cable maintains dynamic balance during laying, and the device cooperates with the cable deployment speed.

[0052] Compared with the traditional ring network cable laying method, the present invention not only effectively reduces the construction intensity of the construction personnel, but also significantly reduces the strict requirements on the technical level of the construction personnel, making the construction team more flexible and easy to meet the needs of various skill levels. Moreover, the construction method of the present invention is flexible and changeable, especially suitable for scattered construction scenes, greatly improving the overall construction efficiency.

[0053] It is particularly worth mentioning that the present invention can perfectly adapt to the complex and changeable construction environment of medium and low-speed maglev underground sections, demonstrating strong adaptability and reliability; from the perspective of economic cost, the present invention has demonstrated excellent cost-effectiveness, and by optimizing the construction process and reducing resource waste, it saves a lot of resources and time costs for the project, further improving the economic and social benefits of the project.

[0054] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An underground section ring network cable laying device, characterized in that: It includes a wire-paying trolley and a horizontal cable pay-off drum, the wire-paying trolley is used to walk on the magnetic levitation track, the horizontal cable pay-off drum is arranged on the wire-paying trolley, and is used to carry the ring network cable drum; wherein, the horizontal cable pay-off drum includes a support frame and a cable tray, the support frame is supported on the wire-paying trolley, and a rotating shaft is vertically arranged on the support frame, and a roller is also arranged on the top of the support frame, the cable tray is sleeved on the outside of the rotating shaft and supported on the roller, and the cable tray is used to carry the ring network cable drum.

2. The underground section ring network cable laying device according to claim 1 is characterized in that: The wire-releasing trolley comprises a trolley frame and running wheels, wherein the running wheels are arranged at the bottom of the trolley frame and can drive the trolley frame to move.

3. The underground section ring network cable laying device according to claim 2 is characterized in that: The trolley frame is a rectangular frame and is welded by thick-walled square tubes. The four corners of the bottom of the rectangular frame are provided with the walking wheels.

4. The underground section ring network cable laying device according to claim 3 is characterized in that: U-shaped brackets are provided at the four corners of the bottom of the rectangular frame. The U-shaped brackets are forged from thickened steel plates, and the travel wheels are rotatably provided on the U-shaped brackets. Wherein, the running wheel is made of nylon material, and the running wheel is installed on the U-shaped bracket by bolts.

5. The underground section ring network cable laying device according to claim 1 is characterized in that: The support frame is a field-shaped support frame, including four side beams and two middle beams. The four side beams form a rectangular structure, and two oppositely arranged side beams are connected by a middle beam; wherein the middle beam and the side beam are both welded from two channel steels arranged side by side.

6. The underground section ring network cable laying device according to claim 1 or 5, characterized in that: The rotating shaft is vertically arranged at the center of the supporting frame, the rollers are arranged in a plurality of circles, and any circle includes a plurality of the rollers, and the plurality of the rollers are evenly distributed in a circle around the rotating shaft.

7. The underground section ring network cable laying device according to claim 6, characterized in that: The cable tray is a circular tray made of a steel plate, a shaft hole is provided in the middle of the circular tray, and the circular tray is sleeved on the outer side of the rotating shaft through the shaft hole; The four corners of the support frame are all provided with hanging rings.

8. The underground section ring network cable laying device according to claim 5, characterized in that: It also includes a support beam, which is arranged on the top of the wire-releasing trolley and is used to support the support frame; Wherein, the support beam is a square sleeper, and the square sleeper is supported directly below the side beam or the middle beam and is parallel to the corresponding side beam or the middle beam.

9. A method for laying underground section ring network cables, characterized in that: The underground section ring network cable laying device according to any one of claims 1 to 8 is implemented, comprising the steps of: S1. Hoisting the underground section ring network cable laying device onto the maglev track; S2. hoisting the ring network cable drum in a lying and horizontal position onto the underground section ring network cable laying device; S3. Pull the underground section ring network cable laying device forward and rotate the ring network cable drum to perform the ring network cable laying operation.

10. The underground section ring network cable laying method according to claim 9, characterized in that: Before step S1, the method further includes the following steps: S101. Assemble the underground section ring network cable laying device, lay the support beams on the cable-laying trolley in the same direction, and place the horizontal cable pay-off drum on the support beams.

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