CN88201290U

CN88201290U - Steering device of communication cable

Info

Publication number: CN88201290U
Application number: CN 88201290
Authority: CN
Inventors: 王龙; 邸黎丽
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-02-11
Filing date: 1988-02-11
Publication date: 1988-07-27

Abstract

Disclosed is a steering device for communication cables, comprising a spring piston sleeve barrel and two sets of spring legs at the front and at the back. A steel wire rope can be guided to pass through a hole by using the support of the spring legs to the hole wall of a pipeline and the reciprocating expansions and contractions of the sleeve barrel under the action of a compression spring. The utility model has the advantages of simple structure, easy fabrication and convenient operation. The steering device for communication cables can rapidly and reliably guide a cable to pass through the hole of a pipeline, being applicable for guiding the laying of cables for underground and underwater communications. J[-130].

Description

Steering device of communication cable

The utility model belongs to the guiding device that underground cable lays, and also claims down-lead device.

At present, pre-buried subway aperture generally is 90 millimeters, and every of the communication cable that lay is long 140 meters.Relying on cable self to pass through the subway hole, is very difficult, and guidance method commonly used is to adopt plastic tube to pierce into the pipeline hole earlier, utilizes the plastic tube that has passed that cable guide is entered the hole and passes pipeline again.

The method that penetrates of plastic tube is to utilize manpower that plastic tube is pushed away in pipe hole, and after advancing 80～90 meters, because frictional resistance is too big, plastic tube will not readvance.At this moment, need the other end from pipe hole, advance another plastic tube again in the hole, the little hook that utilizes the plastic tube termination to load onto is run into mutually together and just can be hooked, and utilizes this interconnective plastic tube when lead-in wire, cable can be introduced the pipeline hole, and pass pipeline.

Existing way, dependent manual operation effort, it is unreliable that plastic tube connects, thus lead-in wire work press for suitable, simple, operate reliable thread guide devices.

The purpose of this utility model provides a kind of guiding device, with mechanical means cable guide is passed the pipeline hole, makes the lead-in wire operation reliable rapidly.

Guiding device of the present utility model is one the sleeve that compression spring and haulage cable are equipped with in two groups of spring legs, inside is housed.Form by urceolus, inner core, two groups of supporting legs and haulage cable.Urceolus is a cylinder, and front end is provided with preceding closure plate, has 2 apertures on the preceding closure plate, passes steel wire rope.Be welded with pulley base on the closure plate to support pulley, the upper conical head of socket again.In anterior evenly distributed three spring legs of installing of urceolus, in urceolus, place a compression spring.Inner core is slightly shorter than urceolus, and front end inserts urceolus, and the rear end is provided with rear blocking plate, and rear blocking plate is provided with aperture, with by steel wire rope, and the fixing steel wire rope other end simultaneously.After the pulley before steel wire rope walked around on the closure plate, draw by the rear blocking plate aperture, so that traction.Evenly distributedly around the interior tube rear end install three spring legs.Each spring legs is made up of straight-bar, ratchet, reed and folding spring, ratchet is located at straight-bar one end, can contact with the cable duct hole wall, the reed stiff end is located on the straight-bar, can stop ratchet to reverse, the straight-bar other end and barrel are hinged near closure plate, establish a folding spring in the hinged place, straight-bar is upspring be adjacent to the cable duct hole wall.

Its operation principle is, guiding device is put into the cable duct hole, makes six spring legs be adjacent to hole wall.When pulling during steel wire rope, first three spring legs holds out against that hole wall is motionless, and inner core moves forward under the effect of rope traction power, drives back three spring legs and moves forward, and will compress spring compression in the tube; When unclamping steel wire rope, in tube under the compression spring tension effect, back three spring legs are adjacent to that hole wall is motionless, and urceolus moves forward, and drives first three spring legs simultaneously and moves forward a segment distance.Owing to the ratchet on every spring legs and the effect of reed, ratchet can only rotate to a direction, so every steel wire rope that spurs, the urceolus segment distance that can advance, spur steel wire rope so repeatedly, guiding device just can constantly advance, and until reaching the pipeline hole other end, has laid a lead-in wire simultaneously.

The utility model provides a kind of brand-new guiding device, has solved the problem that present cable is difficult to guide, and makes the guiding of communication cable become reliable rapidly.Also can be used for underground, the guiding when laying of power cable under water.

Below in conjunction with drawings and Examples, the utility model is further described.

Fig. 1 is the front view of guiding device of the present utility model

Fig. 2 is the spring legs structural map of guiding device of the present utility model

From Fig. 1 as seen, 80 millimeters of urceolus 1 diameters of guiding device, long 400 millimeters, front end is welded with preceding closure plate 2, closure plate is provided with pulley 3, wind with steel wire rope 4, be socketed with conical nose 5, be provided with three spring legs 6 in the urceolus front portion all around, be provided with compression spring 7 in the urceolus, have aperture on the rear blocking plate 9 of inner core 8, can draw steel wire rope, also be provided with three spring legs 6 around the interior tube rear end.As seen from Figure 2, each spring legs is made up of straight-bar 10, ratchet 11, reed 12 and folding spring 13.Straight-bar one end is hinged near the closure plate, and the other end is established ratchet, and reed one end is fixed on the straight-bar, and the other end rides on the ratchet, and the folding spring is located between barrel and the straight-bar.Long 600 millimeters of whole guiding device weighs 2.1 kilograms.When putting into the cable duct hole, pulling steel wire rope 4 can make guiding device progressively enter and pass through hole, finishes the laying work that goes between.

Claims

1, a kind of cable guide device, be made up of double layer sleeve barrel and spring legs, it is characterized in that sleeve is a double-layered cylinder, outer cylinder front end is established preceding closure plate, before open aperture on the closure plate, pulley base and pulley be installed, evenly distributed around the outer cylinder front end three spring legs are installed; Interior tube rear end is provided with rear blocking plate, has aperture on the rear blocking plate, is fixed with steel wire rope, evenly distributed around the interior tube rear end three spring legs is installed; Inner core and urceolus inside are provided with the compression spring, are wound with steel wire rope on the pulley; Straight-bar one end of spring legs is hinged on the barrel, and the hinged place is provided with the folding spring, and the straight-bar other end is hinged with ratchet, is fixed with reed on the straight-bar.