CN106786191B - A kind of bottom cable laying device - Google Patents

Abstract

The invention provides a submarine cable laying device, which belongs to the technical field of cable laying equipment. It solves the troublesome problem of existing submarine cable laying construction. The submarine cable laying device includes several shells, and the drive discs are rotatably connected in the shells, and several drive rods are slidably connected in the shells, and the driving wheels are hinged at the protruding end of the drive rods, and several drive wheels are slidably connected in the shells. The positioning rod is fixedly connected with a positioning block at one end of the positioning rod, and a transmission structure is provided between the driving disc, the driving rod and the positioning rod, and an adjusting motor that can drive the driving disc to rotate reciprocatingly is arranged on the housing. A connection structure is provided between the two adjacent housings. The submarine cable laying device can automatically pull the cable for laying, and has a high degree of automation.

Description

A submarine cable laying device

technical field

The invention belongs to the technical field of cable laying equipment, and relates to a submarine cable laying device.

Background technique

Submarine cables are cables wrapped in insulating material and laid on the seabed for telecommunications transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Modern submarine cables use optical fibers as materials to transmit telephone and Internet signals. When laying a submarine cable, in order to protect the cable, the cable is usually laid in a submarine pipeline. At present, the cable is usually laid while the pipeline is laid, but the method of laying the cable while laying the pipeline is troublesome.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems in the existing technology, and propose a submarine cable laying device, which can automatically pull cables for laying, and has a high degree of automation.

The purpose of the present invention can be achieved through the following technical solutions: a submarine cable laying device, comprising a number of circular housings arranged in sequence, characterized in that, the housings are rotatably connected with drive discs, and inside the housings are also radially There are several driving rods slidingly connected, the driving rods are arranged in the circumferential direction, and one end of the driving rods protrudes from the housing, and a driving wheel is hinged at the end of the protruding end of the driving rods. The drive motor that drives the drive wheel to rotate, and a number of positioning rods are slidably connected in the radial direction in the housing. A positioning block is fixedly connected to the part, and a transmission structure that can drive the driving rod and the positioning rod to move synchronously and reversely when the driving disc rotates is provided between the driving disc, the driving rod and the positioning rod. An adjustment motor for the reciprocating rotation of the disk, and a connection structure connecting the two shells and capable of adjusting the distance between the two shells is provided between the two adjacent shells.

When laying the cable, fix the cable on the housing at the rear end, place the laying device in the cable duct, adjust the motor to drive the drive disc to rotate, and the drive disc drives the drive rod to extend radially out of the housing through the transmission mechanism, and the positioning rod retracts to the housing body, the driving wheel on the driving rod can be pressed against the inner wall of the cable duct, and the driving motor drives the driving wheel to rotate, thereby driving the shell to move along the inner wall of the duct, thereby pulling the cable to realize laying. When the traction force is applied, the adjusting motor on the front casing makes the driving rod retract to the casing through the transmission mechanism, while the positioning rod stretches out, and the positioning block on the positioning rod is pressed against the inner wall of the cable duct, thereby positioning the casing. The temporal connection structure can adjust the distance between the shells, so that the rear shell is close to the front shell, and then the rear shell is fixed, and the front shell is pushed forward through the connection structure to realize the movement during peristalsis.

In the above-mentioned submarine cable laying device, a plurality of chutes are circumferentially provided on the opposite inner end surfaces of the housing, and the plurality of chutes are evenly distributed in the circumferential direction, and the length direction of the chutes is the same as the radial direction of the housing. The outer peripheral surface of the housing is provided with a through hole communicating with the chute, the driving rod and the positioning rod are respectively located on both sides of the driving disc and are respectively slidably connected in the corresponding chute, and the driving rod and the positioning rod The outer ends of all protrude through holes. The chute provides guidance for the movement of the driving rod and the positioning rod, so that the driving rod and the positioning rod remain stable.

In the above-mentioned submarine cable laying device, the transmission structure includes guide grooves provided on both sides of the drive disc, the guide grooves are all spirally arranged, and the helical directions of the guide grooves on the two sides of the drive disc are opposite, and the drive rod There are guide blocks on the sides of the positioning rod and the positioning rod, and the guide blocks are slidably connected in the guide grooves. When the drive disc rotates, the guide groove can push the guide block to realize the axial movement of the drive rod and the positioning rod. The guide grooves on both sides of the drive disc have opposite helical directions, thereby realizing the synchronous reverse movement of the drive rod and the positioning rod.

In the above-mentioned submarine cable laying device, a rotating shaft is rotatably connected in the housing, the driving disc is fixedly connected to the rotating shaft, one side of the housing has a cylindrical installation cavity, and the adjusting motor is fixedly connected to the installation In the cavity, and the motor shaft of the regulating motor is fixedly connected with the rotating shaft. Keep the drive plate stable.

In the above-mentioned submarine cable laying device, a connecting groove is opened on the outer end surface of the driving rod, the driving wheel is hinged in the connecting groove, the driving motor is fixedly connected to the side surface of the outer end of the driving rod, and drives The motor shaft of the motor is fixedly connected with the drive wheel. The drive wheel is directly driven by the drive motor, which has a large traction force.

In the above submarine cable laying device, a positioning seat is connected to the outer end surface of the positioning rod, and the positioning seat and the positioning rod are ball-hinged, and the positioning block is fixedly connected to the positioning seat, and the positioning block adopts Made of rubber material. The positioning block made of rubber material has a relatively large frictional force with the inner wall of the cable duct, and the ball hinge enables the positioning block to fully abut against the inner wall of the cable duct.

In the above-mentioned submarine cable laying device, the connecting structures each include three connecting cylinders, the three connecting cylinders are distributed in the circumferential direction, and the cylinder ends of the connecting cylinders are all connected to the end face of a housing, and The piston rods connected to the cylinders are all connected to the end faces of the adjacent housings, and the housings are spherically hinged to the cylinder body and the piston rods connected to the cylinders, and the piston rods connected to the cylinders are all inclined to the center of the housings. Three connected cylinders form a parallel robot arm control structure, which can adjust the distance and relative angle between the two shells.

Compared with the prior art, the submarine cable laying device has the following advantages:

1. Since the driving wheel on the driving rod can press against the inner wall of the cable duct, the driving motor drives the driving wheel to rotate, thereby driving the housing to move along the inner wall of the duct, thereby pulling the cable to realize laying.

2. Since the positioning block on the positioning rod is pressed against the inner wall of the cable duct, the front shell is positioned. At this time, the connection structure can adjust the distance between the shells so that the rear shell is close to the front shell, and then the The rear shell is fixed, and the front shell is pushed forward through the connection structure to realize movement while creeping, so as to realize cable laying when a large traction force is required such as climbing.

Description of drawings

Fig. 1 is a structural schematic diagram of the submarine cable laying device.

Fig. 2 is a partial structural sectional view of the submarine cable laying device.

Fig. 3 is a schematic diagram of the structure of the drive disk.

In the figure, 1. shell; 11. chute; 12. through hole; 13. installation cavity; 2. drive plate; 21. guide slot; 22. guide block; 23. shaft; 3. drive rod; 32, driving motor; 4, positioning rod; 41, positioning seat; 42, positioning block; 5, adjusting motor; 6, connecting cylinder.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figure 1 and Figure 2, a submarine cable laying device includes a number of circular shells 1 arranged in sequence, and the drive discs 2 are rotatably connected in the shell 1, and are also slidably connected in the radial direction in the shell 1. There are some driving rods 3 arranged circumferentially, and one end of the driving rods 3 stretches out from the casing 1, and a driving wheel 31 is hinged at the protruding end of the driving rods 3, and the driving rods 3 are also provided with There is a driving motor 32 capable of driving the driving wheel 31 to rotate, and a plurality of positioning rods 4 are slidably connected in the radial direction in the housing 1. The positioning rods 4 are arranged in the circumferential direction, and one end of the positioning rods 4 extends out of the housing 1. A positioning block 42 is fixedly connected to one end of the positioning rod 4, and a positioning block 42 is provided between the driving disc 2 and the driving rod 3 and the positioning rod 4. When the driving disc 2 rotates, it can drive the driving rod 3 and the positioning rod 4 to reverse synchronously. The moving transmission structure is provided with an adjusting motor 5 that can drive the drive disc 2 to reciprocate on the housing 1, and a connection between the two adjacent housings 1 that connects the two housings and can adjust the distance between the two housings is provided. structure.

When laying the cable, fix the cable on the housing 1 at the rear end, place the laying device in the cable duct, adjust the motor 5 to drive the drive disc 2 to rotate, and the drive disc 2 makes the drive rod 3 extend radially out of the housing 1 through the transmission mechanism, The positioning rod 4 is retracted into the housing 1, the driving wheel 31 on the driving rod 3 can be pressed against the inner wall of the cable duct, and the driving motor 32 drives the driving wheel 31 to rotate, thereby driving the housing 1 to move along the inner wall of the duct, thereby pulling the cable To achieve laying, when climbing in the cable duct requires a large traction force, the adjusting motor 5 on the front housing 1 makes the driving rod 3 retract to the housing 1 through the transmission mechanism, while the positioning rod 4 extends out, and the positioning rod 4 on the The positioning block 42 is pressed against the inner wall of the cable duct, thereby positioning the housing 1. At this time, the connection structure can adjust the distance between the housings 1, so that the rear housing 1 is close to the front housing 1, and then the rear housing 1 is moved closer to the front housing 1. The casing 1 is fixed, and the front casing 1 is pushed forward through the connection structure to realize movement during peristalsis.

As shown in FIG. 3 , a number of chute 11 is provided on the opposite inner end surfaces of the housing 1 in the circumferential direction. The outer peripheral surface of the body 1 is provided with a through hole 12 communicating with the chute 11, the driving rod 3 and the positioning rod 4 are respectively located on both sides of the driving disc 2 and are respectively slidably connected in the corresponding chute 11, and the driving rod 3 and the outer ends of the positioning rod 4 extend out of the through hole 12, and the chute 11 provides guidance for the movement of the driving rod 3 and the positioning rod 4, so that the driving rod 3 and the positioning rod 4 remain stable.

The transmission structure includes guide grooves 21 provided on both sides of the drive disc 2, the guide grooves 21 are helically arranged, and the helical directions of the guide grooves 21 on both sides of the drive disc 2 are opposite, and the sides of the drive rod 3 and the positioning rod 4 have The guide block 22 is slidably connected in the guide groove 21. When the drive disc 2 rotates, the guide groove 21 can push the guide block 22 to realize the axial movement of the drive rod 3 and the positioning rod 4. The helical direction of the guide groove 21 is opposite, so that the synchronous reverse movement of the driving rod 3 and the positioning rod 4 is realized. The housing 1 is rotatably connected with a rotating shaft 23, and the driving disc 2 is fixedly connected to the rotating shaft 23. One side of the housing 1 has a cylindrical mounting cavity 13, and the adjusting motor 5 is fixedly connected in the mounting cavity 13, and the adjusting motor 5 The motor shaft is fixedly connected with the rotating shaft 23, so that the driving disc 2 remains stable.

The outer end face of driving rod 3 is all provided with connecting groove, and driving wheel 31 is hinged in connecting groove, and driving motor 32 is fixedly connected on the side of driving rod 3 outer ends, and the motor shaft of driving motor 32 is fixed with driving wheel 31. Even, the drive wheel 31 is directly driven by the drive motor 32, which has a relatively large traction force. The outer end face of locating bar 4 is connected with locating seat 41, and ball hinge is connected between locating seat 41 and locating bar 4, and locating block 42 is fixedly connected on locating seat 41, and locating block 42 adopts rubber material to make, and the rubber material There is relatively large friction between the positioning block 42 and the inner wall of the cable duct, and the ball hinge enables the positioning block 42 to fully abut against the inner wall of the cable duct.

The connecting structures all include three connecting cylinders 6, which are distributed in the circumferential direction. The cylinder ends of the connecting cylinders 6 are all connected to the end face of a housing 1, and the piston rods of the connecting cylinders 6 are connected to the adjacent On the end face of the shell 1, the shell 1 is spherically hinged with the cylinder body and the piston rod connected to the cylinder 6, and the piston rod connected to the cylinder 6 is inclined to the center of the shell 1, and the three connected cylinders 6 form a parallel mechanical arm The control structure can adjust the distance and relative angle between the two casings 1 .

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (3)

1. a kind of bottom cable laying device, including some circular shells (1) being arranged in order, it is characterised in that the housing (1) drive disk (2) is rotatably connected in, also radially slidably connects some drive rods (3) in housing (1), this is some Drive rod (3) circumferentially arranges, and housing (1) is stretched out in one end of drive rod (3), in one end end that drive rod (3) stretches out hinge Driving wheel (31) is connected to, the driving motor (32) that driving wheel (31) can be driven to rotate is additionally provided with the drive rod (3), it is described Some locating rods (4) are also radially slidably connected in housing (1), which circumferentially arranges, and locating rod (4) housing (1) is stretched out in one end, and locating piece (42), the drive disk (2) are fixed with one end end that locating rod (4) is stretched out Being equipped between drive rod (3) and locating rod (4) can drive drive rod (3) and locating rod (4) same when drive disk (2) rotates The drive mechanism of reverse movement is walked, the regulation motor (5) that can drive drive disk (2) reciprocating rotation, phase are equipped with housing (1) Two shells of connection are equipped between adjacent two housings (1) can simultaneously adjust the connection structure of distance between two shells.

2. bottom cable laying device according to claim 1, it is characterised in that opposite the two of the housing (1) are inner Circumferential on face to offer some sliding slots (11), some sliding slots (11) are circumferentially uniformly distributed, and the length direction and shell of sliding slot (11) The radial direction of body (1) is identical, and the through hole (12) being connected with sliding slot (11), the drive are offered on the outer circumferential surface of the housing (1) Lever (3) and locating rod (4) are slidably connected at positioned at the both sides of drive disk (2) and respectively in corresponding sliding slot (11) respectively, And through hole (12) is stretched out in the outer end of drive rod (3) and locating rod (4).

3. bottom cable laying device according to claim 2, it is characterised in that the drive mechanism includes being opened in drive Guide groove (21) on Moving plate (2) two sides, the spiral setting of guide groove (21), and be oriented on drive disk (2) two sides The hand of spiral of groove (21) is described to lead on the contrary, be respectively provided with guide pad (22) on the side of the drive rod (3) and locating rod (4) It is slidably connected to block (22) in guide groove (21).