CN105186387A - A device for laying a large cross-section cable tunnel - Google Patents

Abstract

A device for laying a large-section cable tunnel, which is characterized in that: it includes a main support rod, and the hanging ring on the horizontal support seat at the top is connected to the fixing piece through a soft rope; the piston rod of the cylinder on the horizontal support seat is provided with a second A certain pulley and its corresponding first pull cord are connected with claws for grasping the cable; the claws include two sets of symmetrical claw assemblies, each set of claw assemblies includes a fixed claw and a movable claw, and the movable claw and the fixed claw are arranged between There is an extension cylinder; the first pull rope is wound around the first winding wheel, which is installed on the output shaft of the first motor; the main pole is fitted with a sleeve and the horizontal extension cylinder is fixed, and its piston rod is connected to the horizontal supporting plate; the sleeve The cylinder is connected with the second stay rope and the third stay rope, the second fixed pulley corresponding to the second stay rope is installed below the horizontal support seat, and the second winding wheel is installed on the output shaft of the second motor; the third fixed pulley, the second pulley The three motors are set in the same way. It can improve laying efficiency, reduce labor force, and avoid personal injury caused by falling and other reasons.

Description

A device for laying a large cross-section cable tunnel

technical field

The invention relates to a device for laying cables, in particular to a device for laying large-section cable tunnels.

Background technique

At present, more and more 2500mm2 large cross ^- section transmission cables are used, and the large cross-section brings heavy weight at the same time. The weight per meter is about 40-50kg, that is, the weight per kilometer is about 40-50 tons; cable laying Usually, it is laid on the tunnel of the cable tunnel first, and then lifted from the ground to the support section by section. Usually, this process requires the cooperation of 10-14 people; the construction process requires a lot of labor, manual laying, low construction efficiency and insufficient cable laying. In place, there is a risk of personal injury from the cable if it falls.

Contents of the invention

In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a large-section cable tunnel laying device, which can reduce labor force, and is safe and reliable in operation, avoiding injuries caused by falling and other reasons, and can precisely control the laying of cables. The location is conducive to one-time placement and improves the work efficiency of cable laying.

In order to solve the above problems, the present invention adopts the following technical solutions: a device for laying a large-section cable tunnel, including a main pole, the top of the main pole is provided with a horizontal support seat, and a hanging ring is fixed at the left end of the horizontal support seat. An inelastic soft rope is fastened to the ring, and the other end of the soft rope is fastened to a fixing piece for fixing on the side wall of the tunnel;

A cylinder is arranged on the horizontal support seat, and a first fixed pulley is arranged at the right end of the piston rod of the cylinder, and the first pulley is bypassed on the first fixed pulley, and one end of the first stay rope is connected with a claw for grasping the cable;

The claws include two groups of claw assemblies, and the two groups of claw assemblies are arranged symmetrically along the left and right sides. Each group of claw assemblies includes a fixed claw and a movable claw. The top of the fixed claw is fixed to the first pull cord. The lower obtuse angle is less than 180 degrees, the top of the movable claw in each set of claw assemblies is hinged on the bottom end of the fixed claw, and an upward obtuse angle of less than 180 degrees is formed between the movable claws of the two sets of claw assemblies; in each set of claw assemblies, The middle part of the movable claw is hinged with the piston rod end of an extension cylinder, and the cylinder body of the extension cylinder is hinged with the middle part of the fixed claw;

The other end of the first stay rope is wound on the first winding wheel, and the first winding wheel is installed on the output shaft of the first motor;

A sleeve is set on the main support rod, and the cylinder body of a horizontally extending cylinder is installed on the sleeve, and the end of the piston rod of the horizontally extending cylinder is fixedly connected with a horizontal supporting plate; the sleeve is connected with two pulling rods. The ropes are respectively the second stay rope and the third stay rope, and the second stay rope and the third stay rope are arranged symmetrically along the center line of the sleeve;

The second stay rope extends upwards to bypass the second fixed pulley, the second fixed pulley is supported and installed below the horizontal support seat, the other end of the second stay rope is fixedly wound on the second winding wheel, and the second winding The wheel is mounted on the output shaft of the second motor;

The 3rd stay cord upwards extends around the 3rd fixed pulley, the 3rd fix pulley is also supported and installed below the described horizontal support seat, the other end of the 3rd stay cord is fixedly wound on the 3rd winding wheel, the 3rd winds The wire wheel is installed on the output shaft of the third motor;

The second motor and the third motor are symmetrically fixedly connected to both sides of the main pole.

As a further technical solution of the present invention: in the device for laying a large-section cable tunnel, the bottom end of the main pole is provided with a counterweight placement seat.

Further: there are multiple counterweight placement seats, which are evenly distributed around the centerline of the main pole.

The beneficial effects of the invention are: it can reduce the labor force, and the operation is safe and reliable, avoiding personal injuries caused by falling, etc., and can precisely control the position of the cable laying, which is beneficial to one-time positioning and improves the working efficiency of the cable laying.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Fig. 1 is the schematic diagram of the structure of the embodiment of the present invention and working state one;

Fig. 2 is the schematic diagram of working state 2 of the embodiment of the present invention;

Fig. 3 is a schematic diagram of the third working state of the embodiment of the present invention;

Fig. 4 is a schematic diagram of the fourth working state of the embodiment of the present invention;

Fig. 5 is a schematic diagram of the fifth working state of the embodiment of the present invention;

In the figure: 1 main pole, 2 horizontal support seat, 3 hanging ring, 4 soft rope, 5 fixing piece, 6 tunnel side wall,

7 cylinders, 71 the first fixed pulley, 72 the first stay rope, 73 the first winding wheel,

8 claws, 81 fixed claws, 82 movable claws, 83 extension cylinders,

9 cables,

10 horizontal extension cylinder, 11 horizontal supporting plate, 12 second stay rope, 13 third stay rope, 14 second fixed pulley, 15 second winding wheel, 16 second motor, 17 third fixed pulley, 18 third winding wire wheel, 19 third motor,

20 counterweight placement seats, 21 counterweights, and 22 cross arms.

Detailed ways

As shown in Figure 1, the device for laying a large-section cable tunnel includes a main pole 1, a horizontal support seat 2 is arranged on the top of the main pole 1, and a hanging ring 3 is fixed on the left end of the horizontal supporting seat 2, and the hanging ring 3 An inelastic soft rope 4 is bolted to the top, and the other end of the soft rope 4 is bolted to a fixture 5 for fixing on the side wall 6 of the tunnel.

Described horizontal support seat 2 is provided with a cylinder 7, the piston rod right end of cylinder 7 is provided with the first fixed pulley 71, on the first fixed pulley 71 the first stay cord 72 is bypassed, and one end of the first stay cord 72 is connected with a Grip the claw 8 of the cable 9.

Claw 8 comprises two groups of claw assemblies, and two groups of claw assemblies are symmetrically arranged along the left and right sides, and each group of claw assemblies includes fixed claw 81, movable claw 82, and the top of fixed claw 81 is fixed with first stay cord 72, and the fixing of two groups of claw assemblies A downward obtuse angle of less than 180 degrees is formed between the claws 81, and the top of the movable claw 82 in each group of claw assemblies is hinged on the bottom end of the fixed claw 81, and an upward angle of less than 180 degrees is formed between the movable claws 82 of the two groups of claw assemblies. In each group of claw assemblies, the middle part of the movable claw 82 is hinged with the piston rod end of a stretching cylinder 83, and the cylinder body of the stretching cylinder 83 is hinged with the middle part of the fixed claw 81.

The other end of the first pull rope 72 is wound on the first winding wheel 73 , the first winding wheel 73 is installed on the output shaft of the first motor 74 , and the first motor is supported and installed on the main pole 1 .

A sleeve is set on the main support rod 1, and the cylinder body of a horizontally extending cylinder 10 is installed on the sleeve, and the end of the piston rod of the horizontally extending cylinder 10 is fixedly connected with a horizontal supporting plate 11; There are two stay cords, respectively the second stay cord 12 and the third stay cord 13, and the second stay cord 12 and the third stay cord 13 are arranged symmetrically along the center line of the sleeve. As other implementations, the second stay cord 12 and the third stay cord 13 may also be connected to the cylinder body of the horizontally extending cylinder 10 .

The second stay rope 12 extends upwards around the second fixed pulley 14, the second fixed pulley 14 is supported and installed below the horizontal support base 2, and the other end of the second stay rope 12 is fixedly wound on the second winding wheel 15 On, the second winding wheel 15 is installed on the output shaft of the second motor 16 .

The third stay rope 13 extends upwards to bypass the third fixed pulley 17, the third fixed pulley 17 is also supported and installed below the horizontal support seat 2, and the other end of the third stay rope 13 is fixedly wound on the third winding wheel 18, the third winding wheel 18 is installed on the output shaft of the third motor 19.

The second motor 16 and the third motor 19 are symmetrically fixedly connected to both sides of the main pole 1 .

As a further technical means adopted in the device for laying large-section cable tunnels, the bottom end of the main pole 1 is provided with a counterweight placement seat 20; and further: the counterweight placement seat 20 is provided with a plurality of , are evenly distributed around the center line of the main pole 1, which is conducive to maintaining the balance and stability of the main pole, thereby ensuring smooth and stable cable laying.

When the device is in use, a plurality of such devices are evenly distributed along the length of the cable, and the soft rope of each device is fixedly connected to the corresponding fixing piece, and a suitable counterweight is placed on the counterweight placement seat to avoid laying The main strut toppled over while the cable was running.

When working, first put down the jaws 8, extend the cylinder 83 to drive the movable jaws, and realize the grip of the cable 9, then use the first pull rope 72 to pull the cable 9 upwards, lift the cable a little, and then extend the cylinder 10 horizontally to drive the horizontal pallet 11 extends to below the cable 9, and the horizontal supporting plate assists in lifting the cable 9 to ensure that the cable will not fall.

Lift the cable 9 up, and when the cable rises above the cross arm 22 in the tunnel, the cylinder 7 drives the first fixed pulley to move to the right, and the horizontal extension cylinder synchronously drives the horizontal supporting plate to move to the right at the same speed, thereby Move the cable to the right above the cross arm 22, and then the two extension cylinders 83 drive the movable claws to rotate to the vertical state to release the grip on the cable. Finally, the second and third pull ropes move in the opposite direction, that is, stretch horizontally The cylinder drives the horizontal supporting plate to drop from the gap of the cross arm, and the cable is placed on the cross arm 22 .

Claims (3)

1. an electric cable with large cross-section tunnel lays with device, it is characterized in that: comprise main strut, the top of main strut is provided with horizontal support seat, the left end of horizontal support seat is installed with a link, link is fastened and connects an inelastic tightrope, the other end of this tightrope is fastened and is connected on one for being fixed on the fixture in tunnel-side;

Described horizontal support seat is provided with a cylinder, and the piston rod right-hand member of cylinder arranges the first fixed pulley, the first fixed pulley is walked around the first stay cord, and one end of the first stay cord is connected with the claw for grasping cable;

Claw comprises two groups of claw assemblies, two groups of claw assemblies are along being symmetrical set, often organize claw assembly and comprise fixed claw, movable claw, top and first stay cord of fixed claw are fixed, the obtuse angle being less than 180 degree is down formed between the fixed claw of two groups of claw assemblies, the top often organizing movable claw in claw assembly is hinged on the bottom of fixed claw, forms the obtuse angle being less than 180 degree upward between the movable claw of two groups of claw assemblies; Often organize in claw assembly, the piston rod end of stretching cylinder in the middle part of movable claw with is hinged, the cylinder body of described stretching, extension cylinder and the middle part of fixed claw hinged;

The other end of the first stay cord is wound on the first reel, and the first reel is arranged on the output shaft of the first motor;

Described main strut is set with a sleeve, sleeve fills the cylinder body of a horizontal stretching cylinder, what the piston rod end of this horizontal stretching cylinder was fixing is connected with horizontal shelf; Described sleeve is connected with two stay cords, is respectively the second stay cord, the 3rd stay cord, the second stay cord, the 3rd stay cord are symmetrical arranged along the center line of sleeve;

Second stay cord upwards extends around the second fixed pulley, and the second fixed pulley supports and is arranged on below described horizontal support seat, and the other end of the second stay cord is fixedly wound on the second reel, and the second reel is arranged on the output shaft of the second motor;

3rd stay cord upwards extends around the 3rd fixed pulley, and the 3rd fixed pulley also supports and is arranged on below described horizontal support seat, and the other end of the 3rd stay cord is fixedly wound on the 3rd reel, and the 3rd reel is arranged on the output shaft of the 3rd motor;

The both sides being fixedly connected on main strut of the second motor, the 3rd motor symmetry.

2. a kind of electric cable with large cross-section tunnel according to claim 1 lays with device, it is characterized in that: the bottom of described main strut is provided with counterweight placement rack.

3. a kind of electric cable with large cross-section tunnel according to claim 2 lays with device, it is characterized in that: described counterweight placement rack is provided with multiple, the uniform setting of the center line around main strut.