CN106654985A - Linear pole lifting pulley - Google Patents

Abstract

The invention provides a linear pole lifting pulley, which comprises a bottom plate which can be arranged on an iron cross arm through bolts, wherein the bottom plate is provided with a hollow upright post which is vertical to the bottom plate; a screw rod is arranged in the middle of the upright post; the lower end part of the screw rod is meshed and connected with a rotating shaft which is transversely arranged at the upper part of the bottom plate through a pair of bevel gears; the rotating shaft extends outside through a shaft seat fixed at the lower part of the upright post and the extension end is provided with a manual runner; the upright post is sleeved with a lantern ring capable of moving up and down; the lantern ring is connected with a screw lifting block which is located in the upright post and screwed on the screw rod, and can move along with up-and-down movement of the screw lifting block; the screw lifting block is externally connected with a cross rod transversely; the cross rod is sleeved with a sleeve capable of relatively sliding and the sleeve is provided with a grooved wheel for arranging a cable; the sleeve is connected with the end part of a rack which is located in the same direction as the sleeve through a convex connecting sheet; and the rack extends into a rack base which is arranged at the outer side of the lantern ring.

Description

A kind of straight line pole fall block

Technical field

The present invention relates to a kind of straight line pole fall block for power construction, especially 20 kilovolts of straight line pole liftings Coaster, belongs to the construction tool technical field in electric power generation system.

Background technology

In power system, existing wire laying, is that fixed coaster is installed on iron cross arm, and wire is placed on coaster Interior transport, after the completion of need manpower to be drawn on the insulator of top wire to fixedly mount, this operating process not only consumes one's strength It is too fast, and safety coefficient is low, and such as operating personnel's strength not enough also needs two people to operate（Wire weight increases with size）.

The content of the invention

It is an object of the invention to overcome the shortcomings of that prior art is present, and a kind of simple structure is provided, using operation side Just, can to construction bring it is convenient with it is safe, reduce wire bring direct pressure and harm to constructor, eliminate safe hidden trouble Straight line pole fall block.

The purpose of the present invention by following technical solution completing, a kind of straight line pole fall block, it can including one By bolt be arranged on iron cross arm on base plate, be provided with described base plate one perpendicular to base plate hollow column, the column Centre be mounted with a screw rod, the bottom of the screw rod is connected to a lateral arrangement bottom of in by a pair of angular wheels engagements Rotating shaft above plate, the rotating shaft is overhanging by an axle bed for being fixed on column bottom, and is configured with hand wheel in overhanging end；

Be equipped with a collar moving up and down on described column, the collar be located in column, the spiral shell being screwed on screw rod Line elevator is connected and can move with moving up and down for screw thread elevator；

Described screw thread elevator is laterally connected to a cross bar, and cross bar outside is equipped with a sleeve pipe that can be slided relatively, and The sheave for setting up cable is provided with sleeve pipe；One is connected on described sleeve pipe by the connection sheet of an evagination to be in sleeve pipe The end of same direction tooth bar, described tooth bar is stretched in the tooth bar seat arranged in the outside of the collar one, is additionally provided with tooth bar seat Handwheel, the handwheel is nibbled by stretching into the driving cog wheel and rack of the rotary shaft in tooth bar seat and rotary shaft end Close connection.

As preferred：Described base plate is strip plate, and hollow column is fixedly mounted on base plate by a Upright post base Centre, and the bar shaped long slot bore for being configured with screw bolt and nut is respectively arranged with the both sides of base plate；Described axle bed fixed installation On a side of the Upright post base；Described screw rod bottom is bearing on the bottom surface in Upright post base by one end spherical bearing, Screw rod top is placed in the column covered joint seat of hollow column upper end configuration by a bearing, and the column covered joint seat covers from the top down It is connected on column upper end and is fixedly connected；

The both sides of the sheave are respectively arranged with the socket ring being fixed on sleeve pipe, and are detachably connected on two socket rings One across sheave U-shaped lock cable ring.

The present invention reduces to a great extent constructor's some problems for being run in construction, e.g., muscle power do not catch up with, Wire hangs down power, overtension, constructor shoulder silt green grass or young crops etc., and greatly reduces and occur in work high above the ground and the peace not occurred Full hidden danger；With simple structure, using easy to operate, can to construction bring it is convenient with it is safe, reduce wire to constructor with Come direct pressure and harm, the features such as eliminating safe hidden trouble.

Description of the drawings

Fig. 1 is the structural representation of the present invention

Fig. 2 is the lateral structure schematic diagram of Fig. 1.

Specific embodiment

Below in conjunction with accompanying drawing, the present invention will be described in detail：Shown in Fig. 1-2, a kind of straight line pole liter of the present invention Drop coaster, it is included a base plate 2 that can be arranged on by bolt 1 on iron cross arm, one is provided with the bottom of perpendicular on described base plate 2 The hollow column 3 of plate 2, the centre of the column 3 is mounted with a screw rod 4, and the bottom of the screw rod 4 passes through a pair of angular wheels 5 Engagement is connected to a lateral arrangement in the rotating shaft 6 of the top of base plate 2, and the rotating shaft 6 is by an axle bed 7 for being fixed on the bottom of column 3 It is overhanging, and it is configured with hand wheel 8 in overhanging end；

A collar moving up and down 9 is equipped with described column 3, the collar 9 be located at column 3 in, be screwed on screw rod 4 Screw thread elevator 10 be connected and can move with moving up and down for screw thread elevator 10；

Described screw thread elevator 10 is laterally circumscribed with a cross bar 11, and the outside of cross bar 11 is equipped with one can the relative set for sliding Pipe 12, and the sheave 13 of an erection cable is provided with sleeve pipe 12；By the connection sheet 14 of an evagination on described sleeve pipe 12 An end with sleeve pipe 12 in same direction tooth bar 15 is connected in, described tooth bar 15 stretches into what is arranged in the outside of the collar 9 one In tooth bar seat 16, handwheel 17 is additionally provided with tooth bar seat 16, the handwheel 17 is by stretching into turning in tooth bar seat 16 The travelling gear 19 of moving axis 18 and the end of rotary shaft 18 is connected with the engagement of tooth bar 15.

Shown in figure, described base plate 2 is strip plate, and hollow column 3 is fixedly mounted on bottom by a Upright post base 20 The centre of plate 2, and the bar shaped long slot bore 27 for being configured with bolt 1 and nut 21 is respectively arranged with the both sides of base plate 2；Described axle Seat 7 is fixedly mounted on a side of the Upright post base 20；The described bottom of screw rod 4 is bearing in vertical by one end spherical bearing 22 On bottom surface in column base 20, the top of screw rod 4 is placed in the column covered joint seat 24 of the upper end of hollow column 3 configuration by a bearing 23 Interior, the column covered joint seat 24 is socketed in from the top down the upper end of column 3 and is fixedly connected；

The both sides of sheave of the present invention 13 are respectively arranged with the socket ring 25 being fixed on sleeve pipe 12, and are socketed ring 25 at two On be detachably connected to one across sheave 13 U-shaped lock cable ring 26.

Claims (2)

1. a kind of straight line pole fall block, it includes a base plate that can be arranged on by bolt on iron cross arm, it is characterised in that institute Be provided with the base plate stated one perpendicular to base plate hollow column, the centre of the column is mounted with a screw rod, under the screw rod End is connected to rotating shaft of the lateral arrangement above base plate by a pair of angular wheel engagements, and the rotating shaft is fixed on by one The axle bed of column bottom is overhanging, and is configured with hand wheel in overhanging end；

Be equipped with a collar moving up and down on described column, the collar be located in column, the spiral shell being screwed on screw rod Line elevator is connected and can move with moving up and down for screw thread elevator；

Described screw thread elevator is laterally circumscribed with a cross bar, and cross bar outside is equipped with a sleeve pipe that can be slided relatively, and The sheave for setting up cable is provided with sleeve pipe；One is connected on described sleeve pipe by the connection sheet of an evagination to be in sleeve pipe The end of same direction tooth bar, described tooth bar is stretched in the tooth bar seat arranged in the outside of the collar one, is additionally provided with tooth bar seat Handwheel, the handwheel is nibbled by stretching into the driving cog wheel and rack of the rotary shaft in tooth bar seat and rotary shaft end Close connection.

2. straight line pole fall block according to claim 1, it is characterised in that described base plate is strip plate, hollow Column is fixedly mounted on the centre of base plate by a Upright post base, and is respectively arranged with the both sides of base plate and is configured with screw bolt and nut Bar shaped long slot bore；Described axle bed is fixedly mounted on a side of the Upright post base；Described screw rod bottom passes through one End face bearing is bearing on the bottom surface in Upright post base, and screw rod top is placed in the column of hollow column upper end configuration by a bearing In covered joint seat, the column covered joint seat is socketed in from the top down column upper end and is fixedly connected；

The both sides of the sheave are respectively arranged with the socket ring being fixed on sleeve pipe, and are detachably connected on two socket rings One across sheave U-shaped lock cable ring.