CN215516120U

CN215516120U - Traction equipment for laying submarine cable

Info

Publication number: CN215516120U
Application number: CN202120899507.0U
Authority: CN
Inventors: 陈万军; 汪建伟
Original assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Current assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-01-14
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to traction equipment for laying submarine cables, which comprises a frame body and a wire pulling mechanism, wherein the wire pulling mechanism is arranged on the frame body and comprises two wire pulling conveying assemblies and an interval adjusting assembly, the two wire pulling conveying assemblies are symmetrically distributed in parallel by taking an axis for conveying the cables as a center, each wire pulling conveying assembly comprises a conveying belt and a cable holder, and a plurality of cable holders distributed at equal intervals are fixed on the conveying belts. The two pull wire conveying assemblies are symmetrically arranged, so that automatic and continuous conveying of cables can be realized, manual operation is not needed, and the labor intensity is reduced; simultaneously, the required dynamics of centre gripping cable is guaranteed to interval adjusting part can two cable holders between, avoids the dynamics undersize, can't carry the conveying automatically, and the dynamics is too big, damages the cable easily, can the centre gripping different diameter cables simultaneously, and application scope is wider.

Description

Traction equipment for laying submarine cable

Technical Field

The utility model relates to the technical field of cable laying, in particular to traction equipment for laying submarine cables.

Background

Submarine cables are cables wrapped with insulating materials and laid on the sea bottom for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables, and modern submarine cables use optical fibers as materials for transmitting telephone and internet signals.

At present, when an existing submarine cable is laid, a traction device is adopted to pull a cable to achieve automatic conveying of the cable, however, a clamp for clamping the cable on the existing traction device can only clamp the cable of one type, the cable of different diameters cannot be clamped, and when the cables of different diameters are pulled, the corresponding clamp needs to be replaced, so that the submarine cable is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides traction equipment for laying submarine cables.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a traction device for laying submarine cables comprises a frame body and a wire drawing mechanism, wherein the wire drawing mechanism is installed on the frame body and comprises two wire drawing conveying assemblies and an interval adjusting assembly, the two wire drawing conveying assemblies are symmetrically distributed in a parallel mode by taking the axis of a conveying cable as the center, each wire drawing conveying assembly comprises a conveying belt and a cable holder, a plurality of cable holders distributed at equal intervals are fixed on the conveying belts, the cable holders in the two wire drawing conveying assemblies are matched with each other to clamp the cable to follow the conveying belts for conveying, the interval adjusting assembly is positioned on one side of the wire drawing conveying assemblies and comprises a rotating shaft and a sliding block, a screw is rotatably connected with the frame body, threads with opposite directions at two ends are arranged on the rotating shaft, the sliding block is connected with the rotating shaft corresponding to each section of thread in a threaded manner, and each sliding block corresponds to one wire drawing conveying assembly and is connected with the wire drawing conveying assembly, the screw is driven to rotate by an adjusting motor so as to adjust the distance between the two wire drawing conveying assemblies.

In any of the above schemes, preferably, the conveying directions of the two wire conveying assemblies are opposite, the wire conveying assembly further includes two brackets, the conveyor belt is installed between the two brackets through a conveyor belt driving assembly, and the sliding block is fixed to the bracket in the corresponding wire conveying assembly.

In any of the above schemes, preferably, the frame body includes an upper plate, a lower plate and side plates, the upper plate is located above the lower plate, two side plates are fixed between the upper plate and the lower plate, and the wire drawing transmission assembly and the spacing adjustment assembly are located between the two side plates.

In any of the above schemes, preferably, the center parts of the two side plates are respectively provided with a mounting hole, a guide cylinder is arranged in the mounting hole, the inner wall of the guide cylinder is provided with a plurality of balls, the outer wall of one end of the guide cylinder is fixed with a flange plate, and the flange plate and the side plates are fixed through bolts.

It is preferred in any one of the above-mentioned schemes, the cable clamp includes base, grip block, the base is fixed on the conveyer belt, the one end fixed connection piece of conveyer belt is kept away from to the base, the terminal surface that the base was kept away from to the connecting block is articulated with a terminal surface center of grip block, the both ends of connecting block are run through there is the gag lever post, the one end and the grip block of gag lever post are articulated, the fixed chuck of the other end of gag lever post, the cover has the spring on the gag lever post between grip block and the connecting block, the grip block is the arc structure, the arc mouth of grip block is towards the cable.

In any of the above schemes, preferably, the spring is in a compressed state, and the limiting rods at the two ends of the connecting block are symmetrically distributed around the center of the clamping block.

In any of the above schemes, preferably, the distance adjusting assembly further includes a guide rod, the guide rod is parallel to the screw rod, the guide rod and the screw rod are respectively located at two sides of the guide cylinder, and the guide rod penetrates through the sliding block and is fixed with the upper plate and the lower plate.

Compared with the prior art, the traction equipment for laying the submarine cable provided by the utility model has the following beneficial effects:

1. the two pull wire conveying assemblies are symmetrically arranged, so that automatic and continuous conveying of cables can be realized, manual operation is not needed, and the labor intensity is reduced; meanwhile, the distance between the two stay wire conveying assemblies can be adjusted by the distance adjusting assembly, so that the distance between the two cable holders can be changed, the force required for clamping the cable is ensured, the phenomenon that the cable cannot be automatically clamped and conveyed due to too small force is avoided, the cable is easily damaged due to too large force, meanwhile, cables with different diameters can be clamped, and the application range is wider;

2. the clamping block and the connecting block are hinged, so that when the clamping block is just clamped and just released, the clamping block can deflect relative to the connecting block, the clamping block is prevented from excessively clamping a cable to cause the cable to be damaged, and the safety is good.

Drawings

Fig. 1 is a schematic overall structure view of a preferred embodiment of a traction apparatus for laying an ocean cable according to the present invention;

fig. 2 is an enlarged view of the cable holder of fig. 1.

The figures are labeled as follows: 1. a lower plate; 2. an upper plate; 3. a side plate; 4. a guide cylinder; 5. a first seal cover; 6. a screw; 7. a slider; 8. a support; 9. a cable holder; 901. a clamping block; 902. connecting blocks; 903. a base; 904. a limiting rod; 905. a spring; 10. a conveyor belt; 11. a cable; 12. a flange plate.

Detailed Description

In order that the utility model may be further understood, the utility model will now be described in detail with reference to specific examples.

As shown in fig. 1-2, an embodiment of a traction apparatus for laying submarine cables according to the present invention includes a frame, a cable pulling mechanism, the cable pulling mechanism is mounted on the frame, the cable pulling mechanism includes two cable pulling conveying assemblies and a spacing adjusting assembly, the two cable pulling conveying assemblies are symmetrically distributed in parallel with an axis of a conveying cable 11 as a center, the cable pulling conveying assemblies include a conveying belt 10 and a cable gripper 9, the conveying belt 10 is fixed with a plurality of cable grippers 9 distributed at equal intervals, the cable grippers 9 of the two cable pulling conveying assemblies cooperate with each other to grip the cable 11 to follow the conveying belt 10 for conveying, the spacing adjusting assembly is located at one side of the cable pulling conveying assemblies, the spacing adjusting mechanism includes a rotating shaft and a sliding block 7, the screw 6 is rotatably connected with the frame, the rotating shaft is provided with threads with opposite spiral directions at two ends, the rotating shaft corresponding to each section of thread is connected with a sliding block 7 in a threaded manner, each sliding block 7 corresponds to and is connected with one wire drawing transmission assembly, and the screw 6 is driven to rotate by an adjusting motor so as to adjust the distance between the two wire drawing transmission assemblies.

The two pull wire conveying assemblies are symmetrically arranged, so that the automatic and continuous conveying of the cable 11 can be realized, manual operation is not needed, and the labor intensity is reduced; simultaneously, interval between two act as go-between conveying components can be adjusted to interval adjusting part to make the interval between two cable holders 9 change, guarantee the required dynamics of centre gripping cable 11, the dynamics undersize can't clip the conveying automatically, and the dynamics is too big, damages cable 11 easily, can the centre gripping different diameter cables 11 simultaneously, and application scope is wider.

Wherein, fixed first sealed cowling 5 on the upper plate 2, adjusting motor fixes on the upper plate 2 in first sealed cowling 5.

The conveying directions of the two stay wire conveying assemblies are opposite, the stay wire conveying assemblies further comprise two parallel supports 8, the conveying belt 10 is installed between the two supports 8 through a conveying belt driving assembly, the two supports 8 are fixed with the sliding blocks 7 in the corresponding stay wire conveying assemblies, and one ends, far away from the sliding blocks 7, of the supports 8 are connected with the side plates 3 in a sliding mode.

The conveying belt driving assembly comprises a driving roller, a driven roller and a driving motor, the driving roller and the driven roller are located between the two supports 8 and are in rotating connection with the two supports, the driving motor is installed on one support 8 and drives the driving roller to rotate, a second sealing cover is installed on the support 8, and the driving motor is installed in the second sealing cover.

The support body includes upper plate 2, hypoplastron 1 and curb plate 3, upper plate 2 is located the top of hypoplastron 1, two fixed curb plates 3 between upper plate 2 and the hypoplastron 1, act as go-between conveying subassembly and interval adjustment assembly are located between two curb plates 3.

The center parts of the two side plates 3 are respectively provided with a mounting hole, a guide cylinder 4 is arranged in the mounting hole, the inner wall of the guide cylinder 4 is provided with a plurality of balls, the outer wall of one end of the guide cylinder 4 is fixedly provided with a flange plate 12, and the flange plate 12 and the side plates 3 are fixed through bolts. The guide cylinder 4 plays a guiding role, and balls are arranged in the guide cylinder 4 to reduce friction.

Wherein, the support 8 among two acting as go-between conveying assembly is located the both sides of guide cylinder 4, and the diameter of mounting hole is greater than the external diameter of guide cylinder 4 to the guide cylinder 4 of installation different sizes, thereby can lead to the cable 11 of different diameters.

As shown in fig. 2, the cable holder 9 includes a base 903 and a clamping block 901, the base 903 is fixed on the conveyor belt 10, the base 903 is far away from one end of the conveyor belt 10 to fix a connecting block 902, an end surface of the connecting block 902 far away from the base 903 is hinged to a center of an end surface of the clamping block 901, two ends of the connecting block 902 are penetrated by a limiting rod 904, one end of the limiting rod 904 is hinged to the clamping block 901, a chuck is fixed to the other end of the limiting rod 904, a spring 905 is sleeved on the limiting rod 904 between the clamping block 901 and the connecting block 902, the clamping block 901 is of an arc structure, and an arc opening of the clamping block 901 faces the cable 11. The stop block is slidable relative to the attachment block 902.

The clamping block 901 is hinged to the connecting block 902, so that the clamping block 901 can deflect at an angle relative to the connecting block 902, and thus when the clamping block 901 is in two states of initial clamping and initial releasing, the clamping block 901 is in an inclined state relative to the cable 11, one end of the clamping block 901 firstly clamps the clamping block 901, and at the moment, the clamping block 901 deflects relative to the connecting block 902, so that the clamping block 901 is ensured not to excessively clamp the cable 11 to damage the cable 11, and the safety is good.

The spring 905 is in a compressed state, so that the clamping block 901 can reset, and the limiting rods 904 at two ends of the connecting block 902 are symmetrically distributed on the center of the clamping block 901. The two ends of the clamping block 901 are ensured to be stressed evenly.

The spacing adjusting assembly further comprises a guide rod, the guide rod is parallel to the screw 6, the guide rod and the screw 6 are respectively located on two sides of the guide cylinder 4, and the guide rod penetrates through the sliding block 7 and is fixed with the upper plate 2 and the lower plate 1.

The working principle of the embodiment is as follows: when a cable 11 is laid, the distance between cable holders 9 on two pull wire conveying assemblies is adjusted according to the diameter of the cable 11, an adjusting motor is started to drive a screw rod 6 to rotate, the rotating motion of the screw rod 6 is converted into the linear motion of a sliding block 7 due to the threaded connection of the screw rod 6 and the sliding block 7, the two sliding blocks 7 are enabled to move close to each other until a set distance is reached, the force required for clamping the cable 11 by the clamping blocks 901 at the moment is the force required for clamping the cable 11, the cable 11 penetrates through guide cylinders 4 on two side plates 3, the cable 11 is clamped between the two pull wire conveying assemblies by the clamping blocks 901, a driving motor is started to drive a conveying belt 10 to convey, the cable holders 9 continuously clamp and release the cable 11, the purpose of continuously conveying the cable 11 is achieved, in the process of clamping and releasing, the conveying belt 10 is in an annular conveying mode, so that the clamping blocks 901 are in two states of just starting to clamp and just starting to release, the clamping block 901 is in an inclined state relative to the cable 11, and then is turned into horizontal clamping along with the conveying, so that when the clamping block 901 is in the inclined state, the clamping block 901 can deflect relative to the connecting block 902, and therefore the clamping block 901 is prevented from excessively clamping the cable 11 to damage the cable, and the safety is good.

It will be understood by those skilled in the art that the present invention includes any combination of the summary and detailed description of the utility model described above and those illustrated in the accompanying drawings, which is not intended to be limited to the details and which, for the sake of brevity of this description, does not describe every aspect which may be formed by such combination. 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. A pulling device for laying submarine cables, characterized in that: comprises a frame body, a wire drawing mechanism, wherein the wire drawing mechanism is arranged on the frame body and comprises two wire drawing conveying components and an interval adjusting component, the two wire drawing conveying components are symmetrically distributed in parallel by taking the axis of a conveying cable as the center, the wire drawing conveying components comprise a conveying belt and a cable holder, a plurality of cable holders distributed at equal intervals are fixed on the conveying belt, the cable holders in the two wire drawing conveying components are matched with each other to hold the cable to follow the conveying belt for conveying, the interval adjusting component is positioned on one side of the wire drawing conveying components, the interval adjusting mechanism comprises a rotating shaft and a sliding block, a screw rod is rotatably connected with the frame body, threads with opposite spiral line directions at two ends are arranged on the rotating shaft, the sliding block is connected with the rotating shaft corresponding to each section of thread, and each sliding block corresponds to one wire drawing conveying component and is connected with the wire drawing conveying component, the screw is driven to rotate by an adjusting motor so as to adjust the distance between the two wire drawing conveying assemblies.

2. A pulling device for laying submarine cables according to claim 1, wherein: the conveying directions of the two stay wire conveying assemblies are opposite, the stay wire conveying assemblies further comprise two supports, the conveying belt is installed between the two supports through a conveying belt driving assembly, and the sliding blocks are fixed with the supports in the corresponding stay wire conveying assemblies.

3. A pulling device for laying submarine cables according to claim 2, wherein: the support body includes upper plate, hypoplastron and curb plate, the upper plate is located the top of hypoplastron, two curb plates of fixed between upper plate and the hypoplastron, acting as go-between conveying subassembly and interval adjustment subassembly are located between two curb plates.

4. A pulling device for laying submarine cables according to claim 3, wherein: the center parts of the two side plates are respectively provided with a mounting hole, a guide cylinder is arranged in the mounting hole, the inner wall of the guide cylinder is provided with a plurality of balls, the outer wall of one end of the guide cylinder is fixed with a flange plate, and the flange plate and the side plates are fixed through bolts.

5. A pulling device for laying submarine cables according to claim 1, wherein: the cable clamp comprises a base and a clamping block, wherein the base is fixed on a conveyor belt, one end of the conveyor belt is far away from the base, the end face of the base, far away from the connecting block, is hinged to the center of one end face of the clamping block, limiting rods penetrate through the two ends of the connecting block, one ends of the limiting rods are hinged to the clamping block, chucks are fixed to the other ends of the limiting rods, springs are sleeved on the limiting rods between the clamping block and the connecting block, the clamping block is of an arc-shaped structure, and arc-shaped openings of the clamping block face towards the cable.

6. A pulling device for laying submarine cables according to claim 5, wherein: the spring is in a compressed state, and the limiting rods at the two ends of the connecting block are symmetrically distributed with the center of the clamping block.

7. A pulling device for laying submarine cables according to claim 4, wherein: the spacing adjusting assembly further comprises a guide rod, the guide rod is parallel to the screw rod, the guide rod and the screw rod are respectively located on two sides of the guide cylinder, and the guide rod penetrates through the sliding block and is fixed with the upper plate and the lower plate.