Foldable pay-off rack for laying submarine cable

Abstract

A foldable pay-off rack for laying submarine cables comprises two supporting T-shaped frames which are arranged in parallel, the lower ends of vertical rods of the supporting T-shaped frames are connected through a cross beam, vertical grooves are formed in the vertical rods, moving blocks are arranged in the vertical grooves in a penetrating mode respectively, lead screws are arranged in the vertical grooves in the length direction respectively, inner threaded holes are formed in the middles of the moving blocks, and threaded holes are formed in the middle of the moving blocks. The movable blocks are connected with the lead screws through inner threaded holes, the two ends of a cross rod of each supporting T-shaped frame are each hinged to a supporting rod, the two ends of each movable block are each hinged to one end of a connecting rod, the other ends of the connecting rods are each hinged to the supporting rods, and the tops of the supporting T-shaped frames are each fixedly connected with a bearing block. And an arc groove is formed in the top surface of the bearing block. The folding support is formed by the connecting rod mechanism, the size of the submarine cable pay-off rack is reduced, and the submarine cable pay-off rack is convenient to carry and store. The folding support is driven by the lead screw nut mechanism to unfold and contract, operation is easy and fast, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of machinery, in particular to cable laying equipment, in particular to a foldable pay-off frame for laying submarine cables. Background Art

[0002] Submarine cables are cables wrapped in insulating material and laid on the seabed. Submarine communication cables use optical fiber to transmit telephone and internet signals. Conventional submarine cable payout racks are devices used to support the cable reels during cable laying. They are used for cable retraction, deployment, and storage, ensuring the orderly and safe placement and movement of the cable during installation. These payout racks are welded metal monoliths, which are heavy and large, making them inconvenient to transport and store on the deck of a construction vessel. Utility Model Content

[0003] The utility model provides a foldable pay-out frame for laying submarine cables, aiming to solve the technical problem in the prior art that the submarine cable pay-out frame is inconvenient to carry and store on the deck of a construction vessel.

[0004] The utility model discloses a foldable pay-off frame for laying submarine cables, comprising a supporting and storing mechanism, wherein the supporting and storing mechanism comprises two parallel supporting T-shaped frames, each of which comprises a vertical rod and a horizontal rod, the middle portion of the horizontal rod is fixedly connected to the top of the vertical rod, the lower ends of the vertical rods of the two supporting T-shaped frames are connected by a horizontal beam, and each vertical rod is provided with a vertical slot, and each vertical slot is provided with a moving block, the length direction of the moving block is perpendicular to the length direction of the vertical rod, and the vertical slot is provided with a moving block along its length direction. Each is provided with a screw, and the screw and the vertical rod are arranged as a rotating pair. An internal threaded hole is provided in the middle of the moving block, and the moving block is connected to the screw through the internal threaded hole. A servo motor is fixedly provided at the bottom of each vertical rod, and the output shaft of the servo motor is connected to the screw. The two ends of the horizontal rod supporting the T-shaped frame are each hinged with a support rod, and the length of the support rod is greater than the length of the vertical rod. The two ends of the moving block are each hinged with one end of a connecting rod, and the other end of the connecting rod is each hinged with the support rod. The top of the supporting T-shaped frame is respectively fixedly connected to a bearing block, and an arc groove is provided in the top surface of the bearing block.

[0005] Furthermore, the bottoms of the sides of the support rods are each fixedly connected with a universal wheel.

[0006] During use, the servo motor is activated, causing it to rotate the lead screw, which in turn drives the moving block to slide downward along the vertical slot. The moving block then moves one end of the connecting rod downward. As the connecting rod moves downward, it pushes the support rods to open, forming a stable support structure. The submarine cable laying drum is placed on the bearing block via the drum shaft.

[0007] When transporting or storing, start the servo motor to rotate in the opposite direction, the servo motor drives the lead screw to rotate, the lead screw drives the moving block to slide upward along the vertical slot, and the moving block drives one end of the connecting rod to move upward. During the upward movement of the connecting rod, the supporting rod is pulled closer to the vertical rod, and finally a folded and contracted state is formed, which is convenient for transport, movement and storage.

[0008] Furthermore, the bearing block includes a base and a bearing seat, an arc groove is provided on the bearing seat, guide rods are provided on both sides of the base, the bearing seat and the guide rods are configured as a sliding pair along the height direction of the base, and a first spring is sleeved on the guide rods and located between the bearing seat and the base. The first spring can buffer the pressure applied to the bearing block.

[0009] Furthermore, the bottoms of the opposing sides of the supporting T-shaped frame are fixedly connected with connecting blocks, and fixed sleeves are provided on the outsides of the opposing sides of the two connecting blocks. The two connecting blocks extend symmetrically into the interior of the fixed sleeves, and the connecting blocks are slidably connected to the fixed sleeves. A pin mounting hole is provided on the connecting block, and a second spring is provided in the pin mounting hole. A pin is provided at each end of the second spring, and the second spring biases the pin toward the outside of the connecting block. A plurality of through holes are provided in the fixed sleeve at intervals along the length direction, and each pin passes through one of the through holes.

[0010] Compared with existing technologies, this new device offers significant and effective benefits. It utilizes a connecting rod mechanism to form a folding support, reducing the size of the submarine cable payout frame and facilitating transport and storage. A screw-nut mechanism drives the folding support to expand and retract, making operation simple, quick, and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of a foldable pay-off frame for laying submarine cables according to the present invention;

[0012] Figure 2 This is a three-dimensional dynamic structural diagram of a foldable pay-off frame for laying submarine cables according to the present invention;

[0013] Figure 3 This is a schematic top view of the structure of a foldable pay-out frame for laying submarine cables according to the present invention;

[0014] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at point A in the middle.

[0015] In the picture:

[0016] 1. Support and storage mechanism; 11. Support T-shaped frame; 12. Servo motor; 13. Lead screw; 14. Moving block; 15. Connecting rod; 16. Support rod; 17. Universal wheel; 18. Arc groove; 19. Load-bearing block; 20. Sliding block; 21. Guide rod; 22. First spring; 23. Connecting block; 24. Fixed sleeve; 25. Pin; 26. Through hole; 27. Second spring. DETAILED DESCRIPTION

[0017] The following will be combined with the embodiments and drawings of the present invention to clearly and completely describe the technical solution of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0018] Example 1

[0019] This embodiment provides a foldable pay-off frame for laying submarine cables. Figure 1-4 As shown, the foldable pay-out frame for laying submarine cables includes a supporting and receiving mechanism 1;

[0020] When in use, the supporting and storing mechanism 1 is provided, so that the storage can be stored conveniently, thereby facilitating transportation and movement, and the operation is simple, fast and easy to use.

[0021] Specifically, the support and storage mechanism 1 includes two parallel supporting T-shaped frames 11, each of which includes a vertical rod and a horizontal rod, the middle of the horizontal rod is fixedly connected to the top of the vertical rod, and the lower ends of the vertical rods of the two supporting T-shaped frames 11 are connected by a horizontal beam, and each vertical rod is provided with a vertical slot, and each vertical slot is provided with a moving block 14, the length direction of the moving block 14 is perpendicular to the length direction of the vertical rod, and each vertical slot is provided with a lead screw 13 along its length direction, and the lead screw 13 and the vertical rod are configured as a rotating pair, and the moving block An internal threaded hole is provided in the middle of 14, and the moving block 14 is connected to the screw 13 through the internal threaded hole. A servo motor 12 is fixedly provided at the bottom of each vertical rod, and the output shaft of the servo motor 12 is connected to the screw 13. The two ends of the horizontal rod supporting the T-shaped frame 11 are each hinged with a support rod 16, and the length of the support rod 16 is greater than the length of the vertical rod. The two ends of the moving block 14 are each hinged to one end of a connecting rod 15, and the other end of the connecting rod 15 is each hinged to the support rod 16. The top of the supporting T-shaped frame 11 is each fixedly connected to a bearing block 18, and a circular arc groove 19 is provided in the top surface of the bearing block 18.

[0022] Furthermore, the bottom of each side of the support rod 16 is fixedly connected with a universal wheel 17 .

[0023] During use, the servo motor 12 is activated, causing the servo motor 12 to rotate the lead screw 13, which in turn drives the moving block 14 to slide downward along the vertical slot. The moving block 14 then moves one end of the connecting rod 15 downward. During the downward movement of the connecting rod 15, the supporting rod 16 is pushed open, and the supporting rod 16 is expanded to form a stable support structure. The submarine cable laying drum is placed on the bearing block 18 via the drum shaft.

[0024] When transporting or storing, the servo motor 12 is started to rotate in the opposite direction, and the servo motor 12 drives the screw 13 to rotate. The screw 13 drives the moving block 14 to slide upward along the vertical slot. The moving block 14 drives one end of the connecting rod 15 to move upward. During the upward movement of the connecting rod 15, the supporting rod 16 is pulled closer to the vertical rod, and finally a folded and contracted state is formed, which is convenient for transport, movement and storage.

[0025] Furthermore, the bearing block 18 includes a base and a bearing seat 20. The arc groove 19 is provided on the bearing seat 20. Guide rods 21 are provided on both sides of the base. The bearing seat 20 and the guide rods 21 are configured as a sliding pair along the height direction of the base. A first spring 22 is sleeved on the guide rods 21 and is located between the bearing seat and the base. The first spring 22 can buffer the pressure applied to the bearing block 18.

[0026] Example 2

[0027] The difference from Example 1 is that when two sets of support storage mechanisms 1 are in use, a crossbeam will be fixed in the middle to ensure the stability of the support, but the size of the crossbeam cannot be adjusted, which makes it inconvenient to store. For this reason, the bottoms of the two sets of support T-shaped frames 11 on the opposite sides are fixedly connected with connecting blocks 23, and the two connecting blocks 23 are provided with fixed sleeves 24 on the outside of the opposite sides. The two connecting blocks 23 extend symmetrically to the interior of the fixed sleeves 24, and the connecting blocks 23 are slidably connected to the fixed sleeves 24. A pin mounting hole is provided on the connecting block 23, and a second spring 27 is provided in the pin mounting hole. A pin 25 is provided at each end of the second spring 27. The second spring 27 biases the pin 25 toward the outside of the connecting block 23. A plurality of through holes 26 are provided in the fixed sleeve 24 at intervals along the length direction, and the pins 25 each pass through one of the through holes 26.

[0028] During use, the pin 25 is pressed, causing it to retract into the pin mounting hole and thereby exit the through-hole 26 of the fixing sleeve 24. The connecting block 23 and the fixing sleeve 24 can be slidably adjusted in length. When the desired length is reached, the pin 25, under the force of the second spring 27, re-enters the through-hole 26 of the fixing sleeve 24, fixing the length of the connecting block 23 and the fixing sleeve 24.

[0029] It should be noted that the servo motor 12 is an existing device, and its working principle, size and model are irrelevant to the function of the present invention, so no further description is given. The control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention no longer explains the control method and circuit connection in detail.

[0030] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foldable pay-off frame for laying submarine cables, characterized in that: The top end of the lifting block is connected with the lifting block by the spring, and the bottom end of the lifting block is connected with the lifting block by the spring.

2. The foldable pay-off frame for laying submarine cables according to claim 1, characterized in that: The bottoms of the sides of the support rods are each fixedly connected with a universal wheel.

3. The foldable pay-off frame for laying submarine cables according to claim 1, characterized in that: The supporting block includes a base and a supporting seat, the arc groove is arranged on the supporting seat, guide rods are arranged on both sides of the base, the supporting seat and the guide rods are arranged as a sliding pair along the height direction of the base, and a first spring is sleeved on the guide rod. The first spring is located between the supporting seat and the base, and the first spring can buffer the pressure exerted on the supporting block.

4. The foldable pay-off frame for laying submarine cables according to claim 1, characterized in that: The bottoms of the opposing sides of the supporting T-shaped frame are fixedly connected with connecting blocks, and fixed sleeves are provided on the outside of the opposing sides of the two connecting blocks. The two connecting blocks extend symmetrically to the interior of the fixed sleeves, and the connecting blocks are slidably connected to the fixed sleeves. A pin mounting hole is provided on the connecting block, and a second spring is provided in the pin mounting hole. A pin is provided at each end of the second spring. The second spring biases the pin toward the outside of the connecting block. A plurality of through holes are provided in the fixed sleeve at intervals along the length direction, and each pin passes through one of the through holes.

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