Cable turntable adopting friction transmission

Abstract

The utility model discloses a cable rotating disc adopting friction transmission, which comprises a rotating disc main body, the rotating disc main body is provided with an accommodating space, the accommodating space is used for accommodating a cable, and an annular friction part is formed at the lower end of the rotating disc main body; the turntable main body is rotatably arranged on the supporting assembly; and each driving assembly is at least provided with a rotary driving surface, and the rotary driving surfaces and the annular friction parts are arranged in a friction transmission mode. Through the application of the cable turntable suitable for submarine cable laying provided by the utility model, rotation driving of the turntable main body is realized through friction transmission, the cable turntable is easy to install, the manufacturing and installation costs are low, the overall operation stability is strong, and rapid and stable storage and release of a cable can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of submarine cable laying, in particular to a cable turntable adopting friction drive. Background Art

[0002] At present, the cable turntable is one of the indispensable devices in submarine cable laying operations. With the continuous development of offshore engineering technology, the technology of the cable turntable also needs to be continuously improved to provide more reliable and efficient solutions for submarine cable laying operations. Such cable turntables are usually installed on cable laying ships to carry and pay out submarine cables, and can realize the rapid, stable and accurate pay-out of submarine cables under the drive of electricity, thus greatly improving the efficiency and safety of submarine cable laying.

[0003] In the prior art, the cable turntable often provides the rotational power of the cable turntable through a chain drive method. Generally, a sprocket is installed on the output shaft of the motor and a chain is installed on the cable turntable, and then the corresponding power is transmitted through the direct or indirect drive connection between the sprocket and the chain. However, this chain drive has high installation accuracy requirements, high installation costs and great difficulties in some scenarios, and the chain is prone to deformation and elongation, and the transmission stability is poor in the later stage of long-term use, and damage problems are likely to occur. Content of the Utility Model

[0004] In view of this, to solve the above problems, the purpose of the utility model is to provide a cable turntable adopting friction drive, including:

[0005] A turntable main body, which has an accommodating space for accommodating cables, and an annular friction part is formed at the lower end of the turntable main body;

[0006] A support assembly, on which the turntable main body is rotatably arranged;

[0007] A plurality of driving assemblies, each of which has at least one rotary driving surface, and the rotary driving surface is frictionally driven and arranged with the annular friction part.

[0008] In another preferred embodiment, the driving assembly includes: a base, a connecting frame, a driving mechanism and a friction wheel. The base is arranged below the turntable main body, the connecting frame is installed on the base, the driving mechanism is arranged on the connecting frame, the friction wheel is connected with the output end of the driving mechanism, the driving mechanism is used to drive the rotation of the friction wheel, and the rotary driving surface is formed on the outer circumference of the friction wheel.

[0009] In another preferred embodiment, the driving mechanism is fixedly connected with the connecting frame, and the connecting frame is rotatably connected with the base.

[0010] In another preferred embodiment, the two connecting frames are respectively rotatably connected to the base, the two driving mechanisms are respectively connected to the two connecting frames, and the two friction wheels are respectively arranged on the two driving mechanisms.

[0011] In another preferred embodiment, the two friction wheels are respectively in contact with the inner side and the outer side of the annular friction portion.

[0012] In another preferred embodiment, the driving assembly further includes: an adjustable airbag. An arm portion is formed on each of the two connecting frames. The adjustable airbag is connected between the two arm portions, and the adjustable airbag can drive the movement of the two friction wheels by expanding or contracting.

[0013] In another preferred embodiment, the support assembly includes: a base and a wheel set device. At least one first track is arranged on the upper part of the base, and at least one second track is arranged on the lower part of the turntable main body. The wheel set device is supported between the first track and the second track.

[0014] In another preferred embodiment, the wheel set device at least includes: an annular frame and a plurality of support wheels. Each support wheel is rotatably installed on the annular frame. The plurality of support wheels are arranged in sequence along the circumferential direction of the annular frame. The upper end of each support wheel abuts against the second track, and the lower end of each support wheel abuts against the first track.

[0015] In another preferred embodiment, the turntable main body includes: an outer fence, an inner fence and a disc body. The disc body is arranged in a ring shape. The outer fence is arranged on the outer periphery of the disc body, the inner fence is arranged on the inner periphery of the disc body, an accommodation space is formed between the outer fence and the inner fence, and the disc body is arranged on the support assembly.

[0016] In another preferred embodiment, it further includes: an upper central frame and a lower central frame. The upper central frame is rotatably arranged at the upper end of the lower central frame, and the outer periphery of the upper central frame is connected to the inner periphery of the disc body.

[0017] Due to the adoption of the above technical solutions, the positive effects of the present utility model compared with the prior art are as follows:

[0018] By applying the present utility model, a cable turntable suitable for submarine cable laying is provided. It realizes the rotary drive of the turntable main body through friction drive, is easy to install, and the manufacturing and installation costs are relatively low. The overall operation stability is strong, and it can realize the rapid and stable storage and release of the cable. Description of the Drawings

[0019] Figure 1Overall schematic diagram of a cable turntable using friction drive according to the present utility model;

[0020] Figure 2 Schematic diagram of the base of a cable turntable using friction drive according to the present utility model;

[0021] Figure 3 Schematic diagram of the wheel set device of a cable turntable using friction drive according to the present utility model;

[0022] Figure 4 Schematic diagram of the turntable body of a cable turntable using friction drive according to the present utility model;

[0023] Figure 5 Schematic diagram of the cooperation between the upper center frame and the lower center frame of a cable turntable using friction drive according to the present utility model;

[0024] Figure 6 Schematic diagram of the drive assembly of a cable turntable using friction drive according to the present utility model.

[0025] In the drawings:

[0026] 1. Turntable body; 2. Accommodating space; 3. Support assembly; 4. Drive assembly; 5. Rotating drive surface; 6. Base; 7. Connecting frame; 8. Driving mechanism; 9. Friction wheel; 10. Adjustable airbag; 11. Arm part; 12. Base; 13. Wheel set device; 14. First track; 15. Ring-shaped frame; 16. Support wheel; 17. Outer fence; 18. Inner fence; 19. Disk body; 20. Upper center frame; 21. Lower center frame. Detailed implementation manners

[0027] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "horizontal", "vertical", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or component referred to must have a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0029] It should be particularly noted that the "horizontal" and "vertical" in the present utility model are used to illustrate the approximate positional relationship, rather than the strict "horizontal plane" or "vertical plane".

[0030] As shown Figures 1 to 6 in the figure, there is shown a cable turntable using friction drive in a preferred embodiment, including: a turntable main body 1, on which there is a receiving space 2 for receiving cables, and a ring-shaped friction part is formed at the lower end of the turntable main body 1; a support assembly 3, on which the turntable main body 1 is rotatably arranged; several driving assemblies 4, each of which has at least one rotary driving surface 5, and the rotary driving surface 5 is frictionally driven with the ring-shaped friction part. Further, the support assembly 3 is fixedly arranged on the deck of a cable laying ship or other site base surface, and the turntable main body 1 rotates under the support of the support assembly 3 when receiving or releasing cables or submarine cables, and this rotation is realized by the frictional drive of the driving assembly 4 on the turntable main body 1, and this frictional drive is specifically provided by the rolling friction contact between the rotary driving surface 5 and the ring-shaped friction part through the rotation of the rotary driving surface 5.

[0031] Further, as a preferred embodiment, the ring-shaped friction part is a ring-shaped structure formed by partial downward extension of the lower surface of the turntable main body 1.

[0032] Further, as a preferred embodiment, the number of the driving assemblies 4 is preferably eight, and the eight driving assemblies 4 are sequentially arranged along the circumferential direction of the turntable main body 1.

[0033] Further, as a preferred embodiment, the driving assembly 4 includes: a base 6, a connecting frame 7, a driving mechanism 8 and a friction wheel 9. The base 6 is arranged below the turntable main body 1, the connecting frame 7 is installed on the base 6, the driving mechanism 8 is arranged on the connecting frame 7, the friction wheel 9 is connected to the output end of the driving mechanism 8, the driving mechanism 8 is used to drive the rotation of the friction wheel 9, and the rotary driving surface 5 is formed on the outer circumference of the friction wheel 9. Further, with the arrangement of the friction wheel 9, even if the rotation speed of one friction wheel 9 among multiple driving assemblies 4 is inconsistent with that of other driving assemblies 4, other friction wheels 9 are allowed to slip with the ring-shaped friction part to ensure that the overall transmission continues to be stable and will not damage the entire driving assembly 4, thereby realizing overload protection.

[0034] Further, as a preferred embodiment, the base 6 is fixedly connected to the deck of the cable laying ship or other base surface, providing a stable installation foundation for the upper driving mechanism 8, etc.

[0035] Further, as a preferred embodiment, the driving mechanism 8 is fixedly connected to the connecting frame 7, and the connecting frame 7 is rotatably connected to the base 6.

[0036] Further, as a preferred embodiment, the two connecting frames 7 are respectively rotatably connected to the base 6, the two driving mechanisms 8 are respectively connected to the two connecting frames 7, and the two friction wheels 9 are respectively arranged on the two driving mechanisms 8.

[0037] Further, as a preferred embodiment, the two friction wheels 9 are respectively in contact with the inner side and the outer side of the annular friction portion. Further, the two friction wheels 9 can be arranged to be close to each other so that they are clamped on the outer side of the annular friction portion, ensuring that the frictional force is stably transmitted to the turntable body 1.

[0038] Further, as a preferred embodiment, the friction wheel 9 includes a steel part connected to the driving mechanism 8 and a polyurethane ring sleeved on the outer periphery of the steel part, so as to further increase the frictional force that the friction wheel 9 can provide.

[0039] Further, as a preferred embodiment, the driving mechanism 8 is preferably a driving reducer, and the driving reducer includes a reducer and a 4kW variable-frequency motor drivingly connected thereto.

[0040] Further, as a preferred embodiment, the driving assembly 4 further includes: an adjustable airbag 10. An arm portion 11 is formed on each connecting frame 7. The adjustable airbag 10 is connected between the two arm portions 11, and the adjustable airbag 10 can drive the movement of the two friction wheels 9 in an expandable or contractible manner. Further, by inflating the adjustable airbag 10, the two connecting frames 7 can be driven to rotate relative to the base 6 through the arm portion 11, and the friction wheels 9 of the driving mechanism 8 on the connecting frames 7 have a tendency to approach each other so that the above-mentioned clamping can be achieved.

[0041] Further, as a preferred embodiment, the adjustable airbag 10 is connected to an air charging and discharging device.

[0042] Further, as a preferred embodiment, the upper end of the base 6 protrudes upward and blocks between the two connecting frames 7. Further, the rotatable space of the driving mechanism 8 is limited by the arrangement of the protruding part.

[0043] Further, as a preferred embodiment, the support assembly 3 includes: a base 12 and a wheel set device 13. At least one first track 14 is arranged on the upper part of the base 12, and at least one second track is arranged on the lower part of the turntable body 1. The wheel set device 13 is supported between the first track 14 and the second track.

[0044] Further, as a preferred embodiment, the wheel set device 13 at least includes: an annular frame 15 and a plurality of support wheels 16. Each support wheel 16 is rotatably mounted on the annular frame 15. The plurality of support wheels 16 are arranged in sequence along the circumferential direction of the annular frame 15. The upper end of each support wheel 16 abuts against the second track, and the lower end of each support wheel 16 abuts against the first track 14. Further, the resistance between the turntable body 1 and the base 12 is reduced by the arrangement of the wheel set device 13.

[0045] Further, as a preferred embodiment, the annular frame 15 includes an outer frame body and an inner frame body, and the support wheels 16 are installed between the outer frame body and the inner frame body.

[0046] Further, as a preferred embodiment, both the outer frame body and the inner frame body are arranged in an annular strip structure.

[0047] Further, as a preferred embodiment, there is a certain interval between every two adjacent support wheels 16.

[0048] Further, as a preferred embodiment, the base 12 device includes a first inner ring portion and a first outer ring portion. The first outer ring portion is sleeved on the outer periphery of the first inner ring portion, and a first track 14 is provided on each of the first inner ring portion and the first outer ring portion; correspondingly, two second tracks are provided on the turntable main body 1, and the two first tracks 14 with different diameters are respectively matched with the two second tracks with different diameters.

[0049] Further, as a preferred embodiment, the wheel set device 13 includes a second inner ring portion and a second outer ring portion. The second outer ring portion is sleeved on the outer periphery of the second inner ring portion. Both the second outer ring portion and the second inner ring portion include corresponding annular frames 15 and support wheels 16. The second outer ring portion is matched with the first outer ring portion, and the second inner ring portion is matched with the first inner ring portion.

[0050] Further, as a preferred embodiment, the number of the support wheels 16 of the second outer ring portion is preferably 62, and the number of the support wheels 16 of the second inner ring portion is preferably 40.

[0051] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention accordingly.

[0052] The present invention further has the following implementation manners on the above basis:

[0053] In a further embodiment of the present invention, the turntable main body 1 includes an outer fence 17, an inner fence 18 and a disk body 19. The disk body 19 is arranged in a ring shape. The outer fence 17 is arranged on the outer periphery of the disk body 19, the inner fence 18 is arranged on the inner periphery of the disk body 19, a receiving space 2 is formed between the outer fence 17 and the inner fence 18, and the disk body 19 is arranged on the support assembly 3.

[0054] In a further embodiment of the present invention, both the second track and the annular friction portion are arranged at the bottom of the disk body 19.

[0055] In a further embodiment of the present invention, the outer diameter of the disk body 19 is preferably 17.5 meters, and the inner diameter of the disk body 19 is preferably 5 meters.

[0056] In a further embodiment of the present invention, the height of the outer fence 17 and the inner fence 18 in the vertical direction is preferably 4 meters.

[0057] In a further embodiment of the present utility model, the cable turntable adopting friction drive of the present utility model can preferably bear a submarine cable with a weight of 2000 tons through the turntable main body 1.

[0058] In a further embodiment of the present utility model, the disk body 19 is preferably connected by a combination of a number of sector blocks, and the number of sector blocks is preferably 16.

[0059] In a further embodiment of the present utility model, both the outer fence 17 and the inner fence 18 are connected into an annular mesh structure through a number of railing members.

[0060] In a further embodiment of the present utility model, it further includes: an upper center frame 20 and a lower center frame 21. The upper center frame 20 is rotatably arranged at the upper end of the lower center frame 21, and the outer periphery of the upper center frame 20 is connected to the inner periphery of the disk body 19. Further, through the rotational cooperation of the upper center frame 20 and the lower center frame 21, an installation foundation is provided at the central position of the turntable main body 1, and stable support is provided when the turntable main body 1 is affected by radial force.

[0061] In a further embodiment of the present utility model, a number of slots are sequentially arranged on the outer periphery of the upper center frame 20, and a number of spokes are sequentially arranged on the outer periphery of the disk body 19. Each spoke is connected to a slot so that the upper center frame 20 is fixedly connected to the turntable main body 1.

[0062] The above are only the preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and illustrations of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cable turntable using friction transmission, characterized in that: include: A turntable body, wherein the turntable body has an accommodating space for accommodating cables, and an annular friction portion is formed at the lower end of the turntable body; A support assembly, on which the turntable body is rotatably disposed; A plurality of driving components, each of which has at least one rotating driving surface, and the rotating driving surface is frictionally driven with the annular friction portion.

2. The cable turntable using friction transmission according to claim 1, characterized in that: The driving assembly includes: a base, a connecting frame, a driving mechanism and a friction wheel, the base is arranged below the turntable body, the connecting frame is installed on the base, the driving mechanism is arranged on the connecting frame, the friction wheel is connected to the output end of the driving mechanism, the driving mechanism is used to drive the rotation of the friction wheel, and the rotating driving surface is formed on the outer periphery of the friction wheel.

3. The cable turntable using friction transmission according to claim 2 is characterized in that: The driving mechanism is fixedly connected to the connecting frame, and the connecting frame is rotatably connected to the base.

4. The cable turntable using friction transmission according to claim 3 is characterized in that: The two connecting frames are rotatably connected to the base respectively, the two driving mechanisms are connected to the two connecting frames respectively, and the two friction wheels are respectively arranged on the two driving mechanisms.

5. The cable turntable using friction transmission according to claim 4, characterized in that: The two friction wheels are in contact with the inner side and the outer side of the annular friction part respectively.

6. The cable turntable using friction transmission according to claim 5, characterized in that: The driving assembly further comprises an adjustable airbag. An arm is formed on each of the connecting frames. The adjustable airbag is connected between the two arms. The adjustable airbag can expand or contract to drive the movement of the two friction wheels.

7. The cable turntable using friction transmission according to claim 1, characterized in that: The support assembly comprises: a base and a wheel assembly, the upper part of the base is provided with at least one first track, the lower part of the turntable body is provided with at least one second track, and the wheel assembly is supported between the first track and the second track.

8. The cable turntable using friction transmission according to claim 7, characterized in that: The wheel assembly device at least includes: an annular frame and a plurality of support wheels, each of the support wheels can be rotatably mounted on the annular frame, the plurality of support wheels are arranged in sequence along the circumferential direction of the annular frame, the upper end of each support wheel abuts against the second track, and the lower end of each support wheel abuts against the first track.

9. The cable turntable using friction transmission according to claim 1, characterized in that: The turntable body includes: an outer fence, an inner fence and a disk body, the disk body is arranged in a ring shape, the outer fence is arranged on the outer periphery of the disk body, the inner fence is arranged on the inner periphery of the disk body, the accommodating space is formed between the outer fence and the inner fence, and the disk body is arranged on the supporting assembly.

10. The cable turntable using friction transmission according to claim 9, characterized in that: Also includes: An upper center frame and a lower center frame, wherein the upper center frame is rotatably arranged on the upper end of the lower center frame, and the outer periphery of the upper center frame is connected to the inner periphery of the disk body.

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