Underwater cable tracing device

Abstract

The utility model discloses an underwater cable tracing device, which comprises a left oscillating rod, a right oscillating rod, a left guide frame, a right guide frame, a magnetic coupling and an angle encoder, the left oscillating rod and the right oscillating rod are arranged in parallel, a connecting rod is connected between the rear end of the left oscillating rod and the rear end of the right oscillating rod through a rotating shaft, and the angle encoder is arranged on the connecting rod. The angle encoder is connected with the rotating shaft through the magnetic coupling, the front end of the left swing rod is connected with the left guide frame through a left driving structure, the front end of the right swing rod is connected with the right guide frame through a right driving structure, and the left guide frame and the right guide frame are distributed in a mirror symmetry mode. The left driving structure and the right driving structure drive the left guide frame and the right guide frame to get close to each other to clamp a cable in a matched mode or get away from each other to be folded upwards. According to the utility model, the cable can be better clamped, the structure is simple, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater cable installation equipment, in particular to an underwater cable tracing device. Background Art

[0002] At present, offshore wind power mainly adopts the strategy of laying first and burying later in order to put it into production as soon as possible. The laying of cables on the seabed is affected by ocean currents, resulting in a non-linear state of the cables on the seabed. The seabed equipment needs to find the cable track and follow the track during laying. The existing cable tracking equipment has a complex structure, which is not conducive to installation and use, and the clamping effect is not good. Utility Model Content

[0003] The purpose of the utility model is to overcome the disadvantages of the prior art and provide an underwater cable tracing device which can better clamp the cable and has a simple structure and high applicability.

[0004] The utility model is realized through the following technical scheme: an underwater cable tracing device, comprising a left swing rod, a right swing rod, a left guide frame, a right guide frame, a magnetic coupling, and an angle encoder, wherein the left swing rod and the right swing rod are arranged parallel to each other, a connecting rod is connected between the rear end of the left swing rod and the rear end of the right swing rod through a rotating shaft, the angle encoder is connected to the rotating shaft through the magnetic coupling, the front end of the left swing rod is connected to the left guide frame through a left driving structure, the front end of the right swing rod is connected to the right guide frame through a right driving structure, the left guide frame and the right guide frame are distributed in a mirror-symmetrical manner, and the left driving structure and the right driving structure drive the left guide frame and the right guide frame to move closer to each other to cooperate in clamping the cable or move away from each other to be retracted upward.

[0005] Further: the left driving structure includes a left driving rod and a left cylinder, the left driving rod is parallel to the connecting rod, one end of the left driving rod is hinged to the left swing rod, the other end of the left driving rod is fixed to the left guide frame, the left cylinder is located above the left driving rod, and the barrel of the left cylinder is hinged to the left swing rod, and the output shaft of the left cylinder is hinged to the left driving rod.

[0006] Further: the right driving structure includes a right driving rod and a right cylinder, the right driving rod is parallel to the connecting rod, one end of the right driving rod is hinged to the right swing rod, the other end of the right driving rod is fixed to the right guide frame, the right cylinder is located above the right driving rod, and the barrel of the right cylinder is hinged to the right swing rod, and the output shaft of the right cylinder is hinged to the right driving rod.

[0007] Further: it also includes a left tensile elastic member and a right tensile elastic member, the left tensile elastic member and the right tensile elastic member are parallel to the connecting rod, and the left tensile elastic member and the right tensile elastic member are located between the left swing rod and the right swing rod, and are located on the same straight line, the two ends of the left tensile elastic member are connected with a left connecting plate and a left mounting plate, the left connecting plate is fixed to the inner side of the left swing rod, the two ends of the right tensile elastic member are connected with a right connecting plate and a right mounting plate, the right connecting plate is fixed to the inner side of the right swing rod, and there is a spacing between the left mounting plate and the right mounting plate.

[0008] Furthermore, the left guide frame and the right guide frame have the same structure, and are respectively divided into an L-shaped connecting section and a straight-line clamping section.

[0009] Furthermore: the left tensile elastic member and the right tensile elastic member are both springs.

[0010] Furthermore: the left guide frame and the left driving rod are fixed by bolts, as well as the right guide frame and the right driving rod are fixed by bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The left oil cylinder drives the left driving rod to rotate the left guide frame, and the right oil cylinder drives the right driving rod to rotate the right guide frame, so that the left guide frame and the right guide frame are close to each other to clamp the cable, which can better clamp the cable. When the front cable is bent, the cable will squeeze the left guide frame and the right guide frame to the left or right. At the same time, the left guide frame drives the left swing rod to deflect, and the right guide frame drives the right swing rod to deflect. The left swing rod and the right swing rod respectively drive the rotating shaft connected to them to rotate, and the magnetic coupling installed on the rotating shaft will rotate around the center of gravity of rotation, and at the same time drive the angle encoder to rotate. The rotation angle of the angle encoder is the bending condition of the cable in front, thereby finding the cable trajectory.

[0013] 2. When the cable gripper is lowering the cable, the left cylinder drives the left driving rod to drive the left guide frame to rotate upward and retract, and the right cylinder drives the right driving rod to drive the right guide frame to rotate upward and retract, so as to prevent the left guide frame or the right guide frame from being inserted into the seabed and causing damage.

[0014] 3. The left guide frame is fixed by bolts and the left driving rod, and the right guide frame is fixed by bolts and the right driving rod. The bolt connection is convenient for installation and disassembly, and it is convenient to replace the left guide frame and the right guide frame, so as to clamp cables of different diameters and improve applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model connected with a cable gripper.

[0018] Explanation of the accompanying drawings: 1-left swing rod, 2-right swing rod, 3-left guide frame, 4-right guide frame, 5-magnetic coupling, 6-angle encoder, 7-connecting rod, 8-left driving rod, 9-left cylinder, 10-right driving rod, 11-right cylinder, 12-left tensile elastic member, 13-right tensile elastic member, 14-left connecting plate, 15-left mounting plate, 16-right connecting plate, 17-right mounting plate, 18-connecting section, 19-clamping section, 20-cable, 21-cable gripper. DETAILED DESCRIPTION

[0019] Figures 1 to 3 A schematic structural diagram of an underwater cable tracing device embodiment provided by the utility model comprises a left swing rod 1, a right swing rod 2, a left guide frame 3, a right guide frame 4, a magnetic coupling 5, and an angle encoder 6. The left swing rod 1 and the right swing rod 2 are arranged parallel to each other, a connecting rod 7 is connected between the rear end of the left swing rod 1 and the rear end of the right swing rod 2 via a rotating shaft, the angle encoder 6 is connected to the rotating shaft via the magnetic coupling 5, the front end of the left swing rod 1 is connected to the left guide frame 3 via a left driving structure, the front end of the right swing rod 2 is connected to the right guide frame 4 via a right driving structure, the left guide frame 3 and the right guide frame 4 are distributed in a mirror-symmetrical manner, and the left driving structure and the right driving structure drive the left guide frame 3 and the right guide frame 4 to move closer to each other to cooperate in clamping the cable 20 or move away from each other to be retracted upwards.

[0020] The left driving structure includes a left driving rod 8 and a left cylinder 9. The left driving rod 8 is parallel to the connecting rod 7. One end of the left driving rod 8 is hinged to the left swing rod 1, and the other end of the left driving rod 8 is fixed to the left guide frame 3. The left cylinder 9 is located above the left driving rod 8, and the barrel of the left cylinder 9 is hinged to the left swing rod 1, and the output shaft of the left cylinder 9 is hinged to the left driving rod 8.

[0021] The right driving structure includes a right driving rod 10 and a right cylinder 11. The right driving rod 10 is parallel to the connecting rod 7. One end of the right driving rod 10 is hinged to the right swing rod 2, and the other end of the right driving rod 10 is fixed to the right guide frame 4. The right cylinder 11 is located above the right driving rod 10, and the barrel of the right cylinder 11 is hinged to the right swing rod 2, and the output shaft of the right cylinder 11 is hinged to the right driving rod 10.

[0022] This embodiment also includes a left tensile elastic member 12 and a right tensile elastic member 13, which are parallel to the connecting rod 7, and are located between the left swing rod 1 and the right swing rod 2, and are located on the same straight line. The two ends of the left tensile elastic member 12 are connected with a left connecting plate 14 and a left mounting plate 15, and the left connecting plate 14 is fixed to the inner side of the left swing rod 1. The two ends of the right tensile elastic member 13 are connected with a right connecting plate 16 and a right mounting plate 17, and the right connecting plate 16 is fixed to the inner side of the right swing rod 2. There is a spacing between the left mounting plate 15 and the right mounting plate 17.

[0023] The left guide frame 3 and the right guide frame 4 have the same structure, and are respectively divided into an L-shaped connecting section 18 and a straight-line clamping section 19 .

[0024] The left tensile elastic member 12 and the right tensile elastic member 13 are both springs.

[0025] The left guide frame 3 and the left driving rod 8 as well as the right guide frame 4 and the right driving rod 10 are fixed by bolts.

[0026] When in use, the cable tracking device is installed at the front end of the cable holding device 21 (such as Figure 3 As shown), the cable 20 is clamped between the clamping section 19 of the left guide frame 3 and the clamping section 19 of the right guide frame 4. When the front cable 20 is bent, the cable 20 will squeeze the left guide frame 3 and the right guide frame 4 to the left or right, and at the same time, the left guide frame 3 drives the left swing rod 1 to deflect, and the right guide frame 4 drives the right swing rod 2 to deflect, and the left swing rod 1 and the right swing rod 2 respectively drive the rotating shaft connected to them to rotate, and the magnetic coupling 5 installed on the rotating shaft will rotate around the center of rotation, and at the same time drive the angle encoder 6 to rotate, and the rotation angle of the angle encoder 6 is the bending condition of the front cable 20.

[0027] When clamping the cable 20, the left cylinder 9 drives the left driving rod 8 to drive the left guide frame 3 to rotate, and the right cylinder 11 drives the right driving rod 10 to drive the right guide frame 4 to rotate, thereby driving the left guide frame 3 and the right guide frame 4 to rotate in the direction of moving away from or approaching each other. The left guide frame 3 and the right guide frame 4 approach each other to cooperate in clamping the cable 20, and the left guide frame 3 and the right guide frame 4 move away from each other and separate to release the cable 20.

[0028] When the cable gripper 21 is lowering the cable 20, the left cylinder 9 drives the left driving rod 8 to drive the left guide frame 3 to rotate upward and retract, and the right cylinder 11 drives the right driving rod 10 to drive the right guide frame 4 to rotate upward and retract, so as to prevent the left guide frame 3 or the right guide frame 4 from being inserted into the seabed and causing damage.

[0029] The above detailed description is a specific description of a feasible embodiment of the utility model. The embodiment is not intended to limit the patent scope of the utility model. Any equivalent implementation or modification that does not deviate from the utility model should be included in the patent scope of this case.

Claims

1. An underwater cable tracing device, characterized in that: The invention comprises a left swing rod, a right swing rod, a left guide frame, a right guide frame, a magnetic coupling and an angle encoder, wherein the left swing rod and the right swing rod are arranged parallel to each other, a connecting rod is connected between the rear ends of the left swing rod and the right swing rod via a rotating shaft, the angle encoder is connected to the rotating shaft via the magnetic coupling, the front end of the left swing rod is connected to the left guide frame via a left driving structure, the front end of the right swing rod is connected to the right guide frame via a right driving structure, the left guide frame and the right guide frame are distributed in a mirror-symmetrical manner, and the left driving structure and the right driving structure drive the left guide frame and the right guide frame to approach each other to cooperate in clamping the cable or to move away from each other to be folded up.

2. An underwater cable tracing device according to claim 1, characterized in that: The left driving structure includes a left driving rod and a left oil cylinder. The left driving rod is parallel to the connecting rod. One end of the left driving rod is hinged to the left swing rod, and the other end of the left driving rod is fixed to the left guide frame. The left oil cylinder is located above the left driving rod, and the barrel of the left oil cylinder is hinged to the left swing rod, and the output shaft of the left oil cylinder is hinged to the left driving rod.

3. An underwater cable tracing device according to claim 2, characterized in that: The right driving structure includes a right driving rod and a right cylinder. The right driving rod is parallel to the connecting rod. One end of the right driving rod is hinged to the right swing rod, and the other end of the right driving rod is fixed to the right guide frame. The right cylinder is located above the right driving rod, and the barrel of the right cylinder is hinged to the right swing rod, and the output shaft of the right cylinder is hinged to the right driving rod.

4. An underwater cable tracing device according to claim 3, characterized in that: It also includes a left tensile elastic member and a right tensile elastic member, which are parallel to the connecting rod, and are located between the left swing rod and the right swing rod, and are located on the same straight line. The two ends of the left tensile elastic member are connected with a left connecting plate and a left mounting plate, and the left connecting plate is fixed to the inner side of the left swing rod. The two ends of the right tensile elastic member are connected with a right connecting plate and a right mounting plate, and the right connecting plate is fixed to the inner side of the right swing rod. There is a distance between the left mounting plate and the right mounting plate.

5. An underwater cable tracing device according to claim 4, characterized in that: The left guide frame and the right guide frame have the same structure, and are respectively divided into an L-shaped connecting section and a straight-line clamping section.

6. An underwater cable tracing device according to claim 4, characterized in that: The left tensile elastic member and the right tensile elastic member are both springs.

7. An underwater cable tracing device according to claim 6, characterized in that: The left guide frame and the left driving rod are fixed together as well as the right guide frame and the right driving rod are fixed together by bolts.

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