CN216355700U

CN216355700U - Back-twist wheel suitable for releasing torsion of submarine cable

Info

Publication number: CN216355700U
Application number: CN202123075178.7U
Authority: CN
Inventors: 张志强; 马浩强; 胡博涵
Original assignee: Qiugong Tianjin Machinery Technology Co ltd
Current assignee: Qiugong Tianjin Machinery Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-19
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a torque withdrawing wheel suitable for releasing the torsion of a submarine cable, which comprises a pay-off wheel disc, a driving motor, a rotator mechanism, a hoisting tripod, a transmission chain and a motor rain cover, wherein the rotator mechanism is arranged at the center of the pay-off wheel disc, the hoisting tripod is fixed with a main shaft of the rotator mechanism, the driving motor is arranged at the top end of the hoisting tripod, and the transmission chain is meshed with a driving chain wheel of the driving motor and a driven chain wheel of the rotator mechanism. The ocean cable back-twist device can provide a longer back-twist stroke for the ocean cable by adopting the wheel disc type back-twist wheel, so that the installation space of an operation ship is saved; the spindle of the rotating body mechanism is sealed, so that the corrosion in the mechanism can be effectively prevented, and the service life of the torque releasing wheel is prolonged; the speed of the cable can be adjusted by the variable-frequency braking of the speed reducing motor so as to adapt to the paying-off speed of the submarine cable and enable the submarine cable to be synchronous, and meanwhile, the phenomenon that the submarine cable slips and slides under the shutdown state is prevented; the chain transmission type submarine cable paying-off untwisting wheel is adopted and matched with a main shaft of a rotating body mechanism with an oil filling port, so that the untwisting wheel is easy to maintain.

Description

Back-twist wheel suitable for releasing torsion of submarine cable

Technical Field

The utility model relates to the technical field of ocean oil and gas engineering, in particular to a back-twist wheel suitable for releasing torsion of a submarine cable.

Background

In the offshore wind power construction process of an offshore oil platform, cable rewinding and laying are indispensable links, submarine cables are large in diameter and long in length generally, cables need to be wound on cable storage barrels to be shipped to cable laying ships, and the cables are transported to a target laying sea area by the cable laying ships. Torsion generated during the transportation and the coiling of the cable, particularly the process of conveying the cable to a cable coil by a horizontal conveying belt, is a main way for generating the torsion inside the cable, and in order to overcome the torsion, the torsion inside the cable needs to be removed by a certain-height back-twisting operation. Because the submarine cable is limited by the ship operation space and the long-distance cable back-twisting stroke, the conventional cable back-twisting facility is difficult to adapt to the sea cable back-twisting application.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art, the utility model provides the untwisting wheel suitable for releasing the torsion of the submarine cable.

The utility model is realized by the following technical scheme:

a back-twist wheel suitable for releasing the torsion of a submarine cable comprises a paying-off wheel disc, a driving motor, a rotating body mechanism, a hoisting tripod, a transmission chain and a motor rain cover;

the whole pay-off wheel disc is of a steel structure, eight vertical support columns are arranged inside the pay-off wheel disc in a shape like Chinese character 'mi', transverse support columns which play a role in strengthening and fixing are welded among the vertical support columns, an outer ring notch for placing a cable is arranged on the outer ring of the pay-off wheel disc,

the center of the pay-off wheel disc is provided with the rotator mechanism, the rotator mechanism comprises a main shaft, the front end part of the main shaft is provided with an oil injection hole, the main shaft is sleeved with a self-aligning bearing, the rear end part of the self-aligning bearing is provided with a framework oil seal, the self-aligning bearing is arranged between the framework oil seal and an O-shaped sealing ring, the self-aligning bearing is provided with a driven sprocket, the driven sprocket is fixed through a wheel sleeve sleeved on the self-aligning bearing,

the lifting tripod is arranged on the rotator mechanism and is made by welding square pipes, two groups of main shaft supporting frames for supporting and fixing the main shaft of the rotator mechanism are symmetrically arranged at the bottom of the lifting tripod, tripod lifting lugs are arranged at four corners at the top of the lifting tripod, a motor rain cover mounting frame is arranged in the middle of the top of the lifting tripod, a motor rain cover is arranged on the motor rain cover mounting frame,

the driving motor is fixedly installed in the middle of the top end of the hoisting tripod through bolts and located below the motor rainproof cover, the driving motor consists of a speed reducing motor and a driving chain wheel matched with an output shaft of the speed reducing motor, and the conveying chain is meshed with the driving chain wheel and the driven chain wheel.

Preferably, the speed reducing motor is provided with a variable frequency brake device;

preferably, the outer ring notch is made of sheet metal by tailor welding.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the marine cable back-twist device can provide a longer back-twist stroke for the marine cable by adopting the wheel disc type back-twist wheel, and can save the installation space of an operation ship; the main shaft of the rotating body mechanism is sealed, so that the corrosion in the mechanism caused by an external operating environment can be effectively prevented, and the service life of the torque releasing wheel is prolonged; the speed of the submarine cable can be adjusted by the variable-frequency braking of the speed reducing motor so as to adapt to the paying-off speed of the submarine cable and enable the submarine cable to be synchronous, and meanwhile, the phenomenon that the submarine cable slips and slides under the shutdown state is prevented; the chain transmission type submarine cable paying-off untwisting wheel is adopted and matched with a main shaft of a rotating body mechanism with an oil filling port, so that the untwisting wheel is easy to maintain.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a structure of a torque releasing wheel according to the present invention;

FIG. 2 is a schematic structural view of a mechanism of a pay-off wheel assembly rotator of the present invention;

FIG. 3 is a schematic view of the driving motor structure of the present invention;

FIG. 4 is a schematic cross-sectional view of a rotor mechanism of the present invention;

fig. 5 is a schematic structural view of the hoisting tripod of the present invention.

Wherein, the corresponding relation between the reference numbers and the parts in fig. 1-5 is:

1. paying off a wheel disc; 2. a drive motor; 3. a rotator mechanism; 4. hoisting the tripod; 5. a conveyor chain; 6. a motor rainproof cover; 11. a vertical support column; 12. a transverse support column; 13. an outer ring notch; 21. a reduction motor; 22. a drive sprocket; 31. a main shaft; 32. a self-aligning bearing; 33. a wheel sleeve; 34. a driven sprocket; 35. an oil filler hole; 36. an O-shaped sealing ring; 37. framework oil seal; 41. a motor rain cover mounting rack; 42. a tripod lifting lug; 43. a main shaft supporting frame.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A untwisting wheel adapted to release the torsion of a submarine cable according to an embodiment of the present invention is described in detail below with reference to fig. 1-5.

As shown in fig. 1-5, a back-twist wheel suitable for releasing the torsion of a submarine cable comprises a paying-off wheel disc 1, a driving motor 2, a rotator mechanism 3, a hoisting tripod 4, a transmission chain 5 and a motor rain cover 6; the paying-off wheel disc 1 is integrally of a steel structure, eight vertical supporting columns 11 are arranged inside the paying-off wheel disc 1 in a shape like Chinese character 'mi', transverse supporting columns 12 for strengthening and fixing are welded among the vertical supporting columns 11, an outer ring notch 13 for placing a cable is formed in the outer ring of the paying-off wheel disc 1, and the outer ring notch 13 is formed by sheet metal tailor welding; a rotating body mechanism 3 is arranged at the center of the pay-off wheel disc 1, the rotating body mechanism 3 comprises a main shaft 31, an oil filling hole 35 is formed in the front end portion of the main shaft 31, a self-aligning bearing 32 is sleeved outside the main shaft 31, a framework oil seal 37 is arranged at the rear end portion of the self-aligning bearing 32, the self-aligning bearing 32 is arranged between the framework oil seal 37 and an O-shaped seal ring 36, a driven sprocket 34 is installed on the self-aligning bearing 32, and the driven sprocket 34 is fixed through a wheel sleeve 33 sleeved outside the self-aligning bearing 32; the rotating body mechanism 3 is provided with a hoisting tripod 4, the hoisting tripod 4 is formed by welding square pipes, two groups of main shaft supporting frames 43 for supporting and fixing the main shaft 31 of the rotating body mechanism 3 are symmetrically arranged at the bottom of the hoisting tripod 4, tripod lifting lugs 42 are arranged at four corners at the top of the hoisting tripod 4, a motor rain cover mounting frame 41 is arranged in the middle of the top of the hoisting tripod 4, and a motor rain cover 6 is arranged on the motor rain cover mounting frame 41; the driving motor 2 is fixedly installed in the middle of the top end of the hoisting tripod 4 through bolts and located below the motor rainproof cover 6, the driving motor 2 consists of a speed reducing motor 21 and a driving chain wheel 22 matched with an output shaft of the speed reducing motor, the conveying chain 5 is meshed with the driving chain wheel 22 and a driven chain wheel 34, and the speed reducing motor 21 is provided with a variable frequency braking device.

The principle is implemented to this patent:

the cable is arranged in the outer ring notch 13 of the paying-off wheel disc 1, the driving motor 2 is started, the driving chain wheel 22 drives the driven chain wheel 34 to drive the paying-off wheel disc 1 to rotate and pay off the cable, and the cable back-twisting is achieved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a move back round suitable for submarine cable torsion release which characterized in that: comprises a paying-off wheel disc (1), a driving motor (2), a rotator mechanism (3), a hoisting tripod (4), a conveying chain (5) and a motor rain cover (6);

the paying-off wheel disc (1) is integrally of a steel structure, eight vertical supporting columns (11) are arranged inside the paying-off wheel disc (1) in a shape like Chinese character 'mi', transverse supporting columns (12) which play a role in strengthening and fixing are welded among the vertical supporting columns (11), an outer ring notch (13) for placing a cable is arranged on the outer ring of the paying-off wheel disc (1),

the paying-off wheel disc (1) center department is provided with the rotator mechanism (3), the rotator mechanism (3) comprises a main shaft (31), an oil filling hole (35) is formed in the front end portion of the main shaft (31), a self-aligning bearing (32) is sleeved outside the main shaft (31), a framework oil seal (37) is arranged at the rear end portion of the self-aligning bearing (32), the self-aligning bearing (32) is arranged between the framework oil seal (37) and an O-shaped sealing ring (36), a driven sprocket (34) is installed on the self-aligning bearing (32), the driven sprocket (34) is fixed through a wheel sleeve (33) sleeved outside the self-aligning bearing (32),

the hoisting tripod (4) is installed on the rotator mechanism (3), the hoisting tripod (4) is made of square tubes by welding, two groups of main shaft supporting frames (43) used for supporting and fixing the main shaft (31) of the rotator mechanism (3) are symmetrically installed at the bottom of the hoisting tripod (4), tripod lifting lugs (42) are installed at four corners of the top of the hoisting tripod (4), a motor rain cover installation frame (41) is installed in the middle of the top of the hoisting tripod (4), a motor rain cover (6) is installed on the motor rain cover installation frame (41),

driving motor (2) through bolt fixed mounting in the top middle part of hoist and mount tripod (4) is located rain-proof cover of motor (6) below, driving motor (2) comprise gear motor (21), with gear motor output shaft complex drive sprocket (22), transfer chain (5) with drive sprocket (22), driven sprocket (34) mesh.

2. A de-twisting wheel adapted for sea cable torsion release according to claim 1, wherein the speed reducing motor (21) is provided with a variable frequency brake.

3. The untwisting wheel for releasing torsion of a submarine cable according to claim 1, wherein the outer ring notch (13) is made of sheet metal by tailor welding.