CN105092392A - Submarine cable winding test device and method for operating same - Google Patents

Abstract

A submarine cable winding test device and a working method thereof relate to a submarine cable test device. At present, the test results of the submarine cable winding test machine are inaccurate, the test cost is high, the labor intensity is high, and the transmission stability is poor. The invention includes a large truss frame, a left coil, a right coil, a cable laying machine, a hoist, a control room, and a controller in the control room. The large truss frame includes first, second and third columns and a beam; There are hoist and cable laying machine, the cable laying machine is located in the middle of the beam, the hoist is located at the right end of the beam, the left coil and the right coil are located under the beam, the beam is provided with a main guide, the left and right sides of the cable deck are There are left lower guide rails and right lower guide rails respectively on the sides; multiple concentric fences are provided on the left winding disk and the right winding disk, and the two fences form a set of winding limit disks. The technical solution reduces labor intensity, and the process is controllable, reduces operational errors, and further improves data accuracy.

Description

A submarine cable winding test device and its working method

technical field

The invention relates to a submarine cable test device, in particular to a submarine cable coiling test device and a working method thereof.

Background technique

At present, there are very few submarine cable winding test machines in my country. From the current stage, the submarine cable winding test machines used in my country have the following shortcomings:

The diameter of the submarine cable in the winding test is small, and the diameter of the winding coil is small, which does not meet the requirements of the actual environment, and the test results are inaccurate; the structure of the testing machine is simple; the degree of automation of the testing machine operation is low; the testing machine must use a crane for loading samples, and the test cost is high and the labor intensity is high. ; The cable laying machine adopts hydraulic clamping, chain structure, and the transmission stability is poor.

With the development of my country's economy, the use of submarine cables will become larger and larger, and the performance testing of submarine cables will become more and more stringent. Designing a testing machine with a high degree of automation, low labor intensity, and a wide range of test applications in terms of operation will greatly promote the detection of submarine cables in our country.

Contents of the invention

The technical problem to be solved and the technical task proposed by the present invention are to perfect and improve the existing technical solutions, provide a submarine cable winding test device and its working method, so as to achieve the purpose of low labor intensity and convenient operation. For this reason, the present invention takes the following technical solutions.

A submarine cable winding test device, comprising a large truss frame, a left winding reel, a right winding reel, a cable laying machine, a winch, and a control room. The controller, the large-scale truss frame includes a first column, a second column, a third column, and a beam erected on the first column, the second column, and the third column; the beam is provided with a winch and a cable laying machine , the cable laying machine is located in the middle of the crossbeam, the hoist is located at the right end of the crossbeam, and the left and right winding disks are located below the crossbeam, wherein the left winding disk is located at the first column, Between the second uprights, the right winding reel is located between the second upright and the third upright, the main rail is provided on the crossbeam, the lower end of the main rail extends to the outside of the first upright, and the cable laying The left and right sides of the machine are respectively provided with a left lower guide rail and a right lower guide rail; the left winding disk and the right winding disk are provided with a plurality of concentric fences, and the two fences form a group with a ring-shaped limiting cavity in the middle. Around the limiting disk, the width of the annular limiting cavity is greater than the diameter of the submarine cable and less than twice the diameter of the submarine cable. The ring-shaped limiting cavity accommodates the submarine cable, and the submarine cable coil is in the winding limiter, and only one submarine cable can be accommodated at the same height, and the submarine cable is wound up one by one. Sex; the automatic control of the cable laying machine and hoisting machine reduces labor intensity, and the process is controllable, reducing operational errors and further improving the accuracy of data.

As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.

The cable laying machine includes a motor, an upper cylinder group, a lower cylinder group, and a crawler belt. The motor drives the crawler belt transmission. The upper cylinder group and the lower cylinder group are each provided with a plurality of cylinders. The cylinders of the upper cylinder group and the lower cylinder group Push the crawler to clamp the submarine cable. The track is used for clamping, the transmission is stable, and the cylinder is used for clamping, without oil leakage, so that the surface of the track is clean and does not affect the transportation. A plurality of cylinders form a cylinder group, which makes the track fit well with the submarine cable and facilitates transportation. The crawler can use synchronous belt, the transmission of synchronous belt is stable, the conveying distance is controllable, and the forward and reverse conversion is convenient.

The cylinder includes a cylinder body, a piston rod, and a rotor hinged to the end of the piston rod. The end surface of the rotor can be attached to the track, and there is a gap between the rotors of two adjacent cylinders to provide a swinging space for the rotor.

The track is a flat rubber track.

The center-to-center distance between the left winding disk and the right winding disk is greater than or equal to 10m.

The left winding disc and the right winding disc both include three sets of coil limit discs, and the three sets of coil limit discs are respectively the inner coil limit disc, the middle coil limit disc and the outer coil limit disc. The height of the inner coil limit disc, the middle coil limit disc, and the outer coil limit disc gradually increases, and the top of the coil limit disc is provided with upper and lower horn inlets. The horn inlet is convenient for the submarine cable to enter and plays a guiding role.

The main rail is provided with a rotating shaft and a pulley sheathed on the rotating shaft. The main rail protrudes from the first column, and the main rail extending from the first column is inclined so that the submarine cable is pulled obliquely from the ground to the crossbeam. on the main track.

The middle part of the beam is provided with a sinking platform, and the cable laying machine is provided on the sinking platform. The main rail on the beam is divided into a left main rail and a right main rail. There are left and right main rails respectively, and the track surfaces of the left and right main rails are located in the middle of the upper and lower crawlers of the cable laying machine.

The two sides of the crossbeam are provided with guardrails, the control room is arranged at the left end of the crossbeam, and the steps leading to the control room are welded to the crossbeam.

A kind of working method of submarine cable coiling test device is characterized in that: comprising the following steps:

1) Take a certain length of submarine cable;

2) One end of the submarine cable is connected to the wire rope connected to the winch;

3) The submarine cable is pulled by the steel wire rope on the winch to the main rail on the upper part of the large truss frame;

4) When the submarine cable passes through the center of the cable laying machine, the cable laying machine clamps the submarine cable;

5) The wire rope of the hoist is disconnected from the submarine cable;

6) The cable laying machine pulls the submarine cable and sends it to the right winding reel through the lower right guide rail, and fixes the end of the submarine cable at the bottom of the right winding reel;

7) The submarine cable is wound around the right winding disc to reach the preset number of turns;

8) The cable laying machine rotates in reverse, the traction submarine cable is sent to the left winding reel through the left lower guide rail, and the other end of the submarine cable end is fixed at the bottom of the left winding reel;

9) The submarine cable winds around the left winding disk to reach the preset number of turns;

10) The cable laying machine rotates forward, so that the submarine cable is wound around the right winding disc, reaching the preset number of turns; then, the cable laying machine is reversely rotated, so that the submarine cable is wound around the left winding disc, reaching the preset number of turns number; after the set number of repetitions is reached, the submarine cable winding is completed, and the submarine cable after winding is analyzed, and the test is completed.

Beneficial effects: the technical scheme reduces labor intensity, improves test efficiency, has simple structure, and is convenient to use and maintain.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of the present invention.

In the figure: 1-large truss frame; 101-first column; 102-second column; 103-third column; 104-beam; 4-cable machine; 5-hoist; 6-control room; 7-main guide; 701-pulley; 8-ladder.

Detailed ways

The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, the present invention includes a large-scale truss frame 1, a left winding reel 2, a right winding reel 3, a cable laying machine 4, a winch 5, and a control room 6. Machine 4 and hoist 5 work controllers, large truss frame 1 includes first column 101, second column 102, third column 103, crossbeam 104 erected on first column 101, second column 102, third column 103 The beam 104 is provided with hoist 5 and cable laying machine 4, and the cable laying machine 4 is located at the middle position of cross beam 104, and hoist 5 is positioned at the right end of cross beam 104, and left winding disc 2, right winding disc 3 are positioned at cross beam 104 below, Wherein the left winding disc 2 is positioned between the first column 101 and the second column 102, the right winding disc 3 is positioned between the second column 102 and the third column 103, the crossbeam 104 is provided with the main rail 7, the main rail 7 The lower end extends to the outside of the first column 101, and the left and right sides of the cable laying machine 4 are respectively provided with a left lower guide rail and a right lower guide rail; the left winding disc 2 and the right winding disc 3 are provided with multiple concentric fences, and the two fences are A set of winding limiting disks with an annular limiting cavity in the middle is formed, and the width of the annular limiting cavity is greater than the diameter of the submarine cable and less than twice the diameter of the submarine cable. The ring-shaped limiting cavity accommodates the submarine cable, and the submarine cable coil is in the winding limiter, and only one submarine cable can be accommodated at the same height, and the submarine cable is wound up one by one. The cable laying machine 4 and the hoisting machine 5 realize automatic control, reduce labor intensity, and the process is controllable, reducing operation errors and further improving the accuracy of data.

In order to improve the stability of conveying, the cable laying machine 4 includes a motor, an upper cylinder group, a lower cylinder group, and crawler belts, and the motor drives the crawler belt transmission. The cylinder pushes the track to clamp the submarine cable. The track is used for clamping, the transmission is stable, and the cylinder is used for clamping, without oil leakage, so that the surface of the track is clean and does not affect the transportation. A plurality of cylinders form a cylinder group, which makes the track fit well with the submarine cable and facilitates transportation. The crawler can use synchronous belt, the transmission of synchronous belt is stable, the conveying distance is controllable, and the forward and reverse conversion is convenient.

In order to ensure the reliability of the submarine cable transmission, avoid damage to the submarine cable, and improve the connection surface between the submarine cable and the track, the cylinder includes a cylinder body, a piston rod, and a rotor hinged to the end of the piston rod. Paste, there is a gap between the rotors of two adjacent cylinders to provide the rotor swing space.

In order to improve the accuracy of the experiment and approach the actual construction, the center distance between the left winding disk 2 and the right winding disk 3 is greater than or equal to 10m.

In order to meet the test requirements of different submarine cables, the left winding reel 2 and the right winding reel 3 both include three sets of winding limit disks, the three sets of winding limit disks are the inner winding limit disk, the middle winding limit disk The height of the position plate and the outer coil limit plate, the inner coil limit plate, the middle coil limit plate, and the outer coil limit plate gradually increases.

In order to facilitate the entry of the submarine cable into the coil limiter, the top of the coil limiter is provided with upper and lower horn inlets, which facilitate the feeding of the submarine cable from top to bottom and play a guiding role.

In order to reduce the damage caused by dragging and reduce the traction resistance when the submarine cable is transported, the main rail 7 is provided with a rotating shaft and a pulley 701 that is sheathed on the rotating shaft. The main rail 7 of the first column 101 is tilted so that the submarine cable is pulled obliquely from the ground to the main rail 7 of the beam 104 .

In order to connect the cable laying machine 4 with the main rail 7, a sinking platform is provided in the middle of the beam 104, and the cable laying machine 4 is arranged on the sinking platform. The main rail 7 on the beam 104 is divided into a left main rail 7 and a right main rail. 7. The left and right main rails 7 and 7 are respectively provided on the left and right sides of the cable laying machine 4, and the track surfaces of the left and right main rails 7 are located in the middle of the upper and lower crawlers of the cable laying machine 4.

For avoiding submarine cable to drop, improve the safety of work, crossbeam 104 both sides are provided with guardrail (105), control room 6 is located at the left end of crossbeam 104, and crossbeam 104 welding leads to the ladder 8 of control room 6.

A working method of a submarine cable winding test device comprises the following steps:

1. Take a certain length of submarine cable;

2. One end of the submarine cable is connected to the wire rope connected to the winch 5;

3. The submarine cable is pulled by the wire rope on the winch 5 to the main rail 7 on the upper part of the large truss frame 1;

4. When the submarine cable passes through the center of the cable laying machine 4, the cable laying machine 4 clamps the submarine cable;

5. The wire rope of hoist 5 is disengaged from the sea cable;

6. The cable laying machine 4 pulls the submarine cable and sends it to the right winding reel 3 through the lower right guide rail, and fixes the end of the submarine cable on the bottom of the right winding reel 3;

7. The submarine cable is wound around the right winding disc 3 to reach the preset number of turns;

8. The cable laying machine 4 rotates in reverse, and the traction submarine cable is sent to the left winding reel 2 through the left lower guide rail, and the other end of the submarine cable end is fixed at the bottom of the left winding reel 2;

9. The submarine cable is wound around the left winding disc 23, reaching 8 turns;

10. The cable laying machine 4 rotates in the forward direction, so that the submarine cable is wound around the right winding disc 3 to reach the preset number of turns; then, the cable laying machine 4 rotates in the opposite direction, so that the submarine cable is wound around the left winding disc 23, Up to 8 turns; after repeating this for three times, the submarine cable winding is completed, and the submarine cable after winding is analyzed, and the test is completed.

For the convenience of processing and production, the large truss frame 1 is a truss portal structure, which is welded, and has three welded columns and a welded beam 104; , 6m, 8m three different diameter specifications, the height of each winding disc is different. The winding disks of each diameter specification are designed as a double-layer steel structure disk structure with a certain diameter and height. The distance between the centers of the left winding disc 2 and the right winding disc 3 is 11m. The cable laying machine 4 uses a flat rubber covering belt to clamp the submarine cable, and the covering belt is driven by a motor, and the cylinder pushes the track to clamp the sample. By adjusting the pressure and stroke of the cylinder, the cohesive force on the cable can be adjusted, thereby adjusting the friction force and traction force on the submarine cable. The maximum diameter of the cable laying machine 4 is 300mm, the maximum driving speed is 12m/min, and it can be automatically adjusted steplessly. In order to facilitate control and reduce costs, both the cable laying machine 4 and the hoisting machine 5 are controlled by PLC. In order to improve human-computer interaction, the traction speed of the cable laying machine 4 can be set at any time through the visual touch screen controlled by PLC. When the cable laying machine 4 pulls the submarine cable, the length of the pull can be collected in real time by the electrical control system.

This technical solution is designed according to JB/T11167.1-2011 "Rated voltage 10kVUm=12kV to 110kVUm=126kV XLPE insulated large-length AC submarine cables and accessories Part 1: Test methods and requirements", mainly used in submarine cable manufacturers , a national testing unit, and a large-scale submarine cable laying project enterprise.

A kind of submarine cable coiling test device and its working method shown in above Fig. 1, 2 are the concrete embodiment of the present invention, have embodied the substantive characteristic and progress of the present invention, can according to actual use needs, in the present invention Under the inspiration of the present invention, the equivalent modification of its shape, structure and other aspects are all within the scope of protection of this scheme.

Claims (10)

1. A submarine cable winding test device, characterized in that: it includes a large truss frame (1), a left winding disk (2), a right winding disk (3), a cable laying machine (4), and a hoist (5) . Control room (6), the control room (6) is provided with a controller for controlling the work of the cable laying machine (4) and the winch (5), and the large truss frame (1) includes a first column ( 101), the second column (102), the third column (103), the beam (104) erected on the first column (101), the second column (102), and the third column (103); the beam (104) is provided with hoist (5) and cable laying machine (4), and described cable laying machine (4) is arranged on the middle position of crossbeam (104), and described hoist (5) is positioned at crossbeam (104) At the right end, the left winding disk (2) and the right winding disk (3) are located under the beam (104), wherein the left winding disk (2) is located between the first column (101) and the second column (102) Between, the right winding disc (3) is located between the second column (102) and the third column (103), the main rail (7) is provided on the beam (104), the main rail (7) The lower end of the lower end extends to the outside of the first column (101), and the left and right sides of the cable laying machine (4) are respectively provided with a left lower guide rail and a right lower guide rail; the left winding disc (2), the right winding disc (3) Multiple concentric fences are provided. The two fences form a set of winding limiting disks with an annular limiting cavity in the middle. The width of the annular limiting cavity is greater than the diameter of the submarine cable and less than twice the diameter of the submarine cable. 2. A submarine cable winding test device according to claim 1, characterized in that: the cable laying machine (4) includes a motor, an upper cylinder group, a lower cylinder group, and crawlers, and the motor drives the crawlers Transmission, the upper cylinder group and the lower cylinder group are all provided with a plurality of cylinders, and the cylinders of the upper cylinder group and the lower cylinder group push the crawler belt to clamp the submarine cable. 3. A kind of submarine cable winding test device according to claim 2, characterized in that: said cylinder comprises a cylinder body, a piston rod, a rotary head hinged with the end of the piston rod, and the end surface of the rotary head can be connected to the crawler belt. Adhering to each other, there is a gap between the rotors of two adjacent cylinders to provide a swinging space for the rotors. 4. A submarine cable winding test device according to claim 3, characterized in that: the track is a flat rubber track. 5. A submarine cable winding test device according to claim 4, characterized in that: the center-to-center distance between the left winding disk (2) and the right winding disk (3) is greater than or equal to 10m. 6. A submarine cable winding test device according to claim 5, characterized in that: the left winding disk (2) and the right winding disk (3) each include three sets of winding limit disks, The three sets of coil limit discs are the inner coil limit disc, the middle coil limit disc and the outer coil limit disc, the inner coil limit disc, the middle coil limit disc and the outer coil limit disc The height gradually increases, and the top of the winding limit plate is equipped with upper and lower horn inlets. 7. A submarine cable winding test device according to claim 6, characterized in that: the main rail (7) is provided with a rotating shaft and a pulley (701) that is overlaid on the rotating shaft, and the main rail ( 7) Overhanging the first column (101), the main rail (7) extending over the first column (101) is tilted so that the submarine cable is pulled obliquely from the ground to the main rail (7) of the beam (104). 8. A submarine cable winding test device according to claim 7, characterized in that: a sinking platform is provided in the middle of the beam (104), and the cloth is provided on the sinking platform. The cable machine (4), the main rail (7) on the beam (104) is divided into a left main rail (7) and a right main rail (7), and the left and right main rails ( 7), the track surfaces of the right main rail (7), the left main rail (7), and the right main rail (7) are located in the middle of the upper and lower crawlers of the cable laying machine (4). 9. A submarine cable winding test device according to claim 8, characterized in that: the two sides of the beam (104) are provided with guardrails (105) (105), and the control room (6) It is arranged at the left end of the beam (104), and the beam (104) is welded to the ladder (8) leading to the control room (6). 10. adopt the submarine cable coiling test method of a kind of submarine cable coiling test device described in claim 1, it is characterized in that: comprise the following steps: 1) Take a certain length of submarine cable; 2) One end of the submarine cable is connected to the wire rope connected to the winch (5); 3) The submarine cable is pulled by the wire rope on the hoist (5) to the main rail (7) on the upper part of the large truss frame (1); 4) When the submarine cable passes through the center of the cable laying machine (4), the cable laying machine (4) clamps the submarine cable; 5) The wire rope of the winch (5) is disengaged from the submarine cable; 6) The cable laying machine (4) pulls the submarine cable to the right winding reel (3) through the lower right guide rail, and fixes the end of the submarine cable to the bottom of the right winding reel (3); 7) The submarine cable is wound around the right winding disc (3) to reach the preset number of turns; 8) The cable laying machine (4) rotates in the opposite direction, the traction submarine cable is sent to the left winding reel (2) through the left lower guide rail, and the other end of the submarine cable end is fixed at the bottom of the left winding reel (2); 9) The submarine cable is wound around the left winding disc (2) 3, reaching the preset number of turns; 10) The cable laying machine (4) rotates forward to make the submarine cable wind around the right winding disc (3) to reach the preset number of turns; then, the cable laying machine (4) rotates in the opposite direction to make the submarine cable wind around the left Coil around the coil (2) 3 times to reach the preset number of turns; after the set number of repetitions is reached, the submarine cable winding is completed, and the submarine cable after winding is analyzed, and the test is completed.