CN218997544U - Optical cable defect overhauling tool for processing linear towers of power transmission lines - Google Patents

Abstract

The utility model provides an optical cable defect maintenance instrument is handled to transmission line tangent tower, includes horizontal support body, two flexible support arms, folding crank, two rope pulleys and two eccentric cam locking bars, two flexible support arms are inserted respectively and are established at the support arm socket, have installed the pulley respectively on the outer end inner wall of two flexible support arms, are provided with the location tooth on the wheel wall periphery of two rope pulleys respectively, and two rope pulleys are fixed the suit respectively and are received the rope epaxially, the locking lever card of two eccentric cam locking bars is established and is rotated at location tooth internal fixation rope pulley. The utility model is beneficial to the maintenance work of the aerial optical cable by a single person, and the tool has the advantages of simple and practical design, simple operation, easy production, low manufacturing cost, time saving, labor saving and personnel saving.

Description

Optical cable defect overhauling tool for processing linear towers of power transmission lines

Technical Field

The utility model relates to the field of maintenance of power equipment, in particular to a drawing type overhaul tool for repairing an overhead optical cable fitting of a power transmission line.

Background

The ultra-high voltage transmission line is easy to break strands, abrade, damage the wire clamps and the like due to the influence of wind, rain, lightning, breeze, vibration and the like on the opgw optical cable because of long-term running in the field, and the original working method is that the optical cable is lifted by a transmission rope to work, and a plurality of persons are needed to work in a matched mode on a tower and under the tower, so that the safety cannot be ensured in the up-down crossing operation, and a special tool for treating the optical cable defects is urgently needed.

Disclosure of Invention

The utility model aims to solve the problems, and provides a tool for repairing defects of an optical cable for treating a linear tower of a power transmission line, which can improve the working efficiency, reduce the labor intensity, is simple to operate and is convenient to use.

The technical scheme adopted by the utility model is as follows:

the utility model provides an optical cable defect maintenance instrument is handled to transmission line tangent tower, includes horizontal support body, two flexible support arms, folding crank, two rope pulleys and two eccentric cam locking bars, characterized by horizontal support body's both ends have seted up the support arm socket respectively, correspond respectively on the wall around the cross arm body of support arm socket and be provided with a plurality of locating holes, two flexible support arms insert respectively and establish at the support arm socket, install the pulley respectively on the outer end inner wall of two flexible support arms, correspond respectively on the wall around two flexible support arms and be provided with the fixed orifices, the fixed orifices corresponds respectively with a plurality of locating holes when flexible support arms remove, be provided with fixing bolt in locating hole and fixed orifices interpolation, be provided with the positioning tooth respectively on the wheel wall periphery of two rope pulleys, two rope pulleys are fixed the cover respectively and are installed on receipts rope axle, the shaft hole on the wall around the cross support body middle is installed respectively at the both ends of receipts rope axle, folding crank is fixed to be installed on the receipts rope axle that is located the outer end of cross arm, the other end of two rope pulleys is fixed winding has wire rope respectively, and the wire rope is walked around fixedly with the lifting hook.

The two eccentric cam locking rods are respectively and fixedly arranged in the mounting holes at the upper end of the transverse support body, each eccentric cam locking rod comprises a lock body, a lock rod and an eccentric cam handle, a lock rod telescopic chamber is vertically arranged in each lock body, each lock rod is arranged in each lock rod telescopic chamber, the upper ends of the lock rods penetrate through holes at the upper ends of the lock bodies and are vertically and fixedly connected with a cam shaft of each eccentric cam handle, springs are sleeved on the lock rods in the lock rod telescopic chambers, the lower ends of the springs are propped against bosses of the lock rods, the upper ends of the springs are propped against the inner walls at the upper ends of the lock bodies, clamping tongues are convexly arranged at the lower ends of the lock rods, and the clamping tongues are clamped in positioning teeth of the rope pulleys when moving downwards.

The rope collecting shaft is provided with a ratchet device, the ratchet device comprises a ratchet, a pawl and a pawl shaft seat, the ratchet is fixedly sleeved on the rope collecting shaft, the pawl shaft seat is fixedly arranged on the inner wall of the upper end of the transverse carrier, the rear end of the pawl is sleeved on a pin shaft of the pawl shaft seat, a pawl torsion spring is sleeved on the pin shaft, the upper end of the pawl is provided with an unlocking pushing handle, the unlocking pushing handle and the pawl are of an integral structure, and the upper end of the unlocking pushing handle penetrates through a pushing handle through hole on the upper end face of the transverse carrier.

The middle of the lower end of the cross arm body is concavely provided with a positioning clamping groove.

The tool is favorable for a single person to carry out overhauling work of the aerial optical cable, the tool is arranged on the aerial wire support, the pull type cross arm adjusts the distance between the two side supporting wires and the hook wire, hooks the optical cable, shakes the crank, locks the optical cable after lifting the optical cable, and carries out overhauling work of the optical cable. The tool is simple and practical in design, simple to operate, easy to produce, low in manufacturing cost, time-saving in maintenance work, labor-saving and personnel-saving.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a schematic illustration of the eccentric cam lock lever opening configuration of the present utility model;

FIG. 5 is a schematic view of the locking structure of the eccentric cam lock lever of the present utility model;

FIG. 6 is a schematic view of a ratchet mechanism of the present utility model;

fig. 7 is a schematic view of the folding crank structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a transmission line tangent tower handles optical cable defect maintenance instrument, includes horizontal support body 1, two flexible support arms 2, folding crank 3, two rope sheave 4 and two eccentric cam locking lever 5, characterized by horizontal support body 1 lower extreme middle department concave be equipped with positioning slot 13, positioning slot 13 can block when using and establish on the overhead line support. The two ends of the transverse supporter 1 are respectively provided with a support arm socket 6, the front wall and the rear wall of the transverse supporter 1 of the support arm socket 6 are respectively and correspondingly provided with a plurality of positioning holes 7, the two telescopic support arms 2 are respectively inserted into the support arm sockets 6, and the two ends of the two telescopic support arms 2 are of tapered ladder structures. The pulley 8 is respectively arranged on the inner walls of the outer ends of the two telescopic support arms 2, the fixing holes 9 are respectively correspondingly arranged on the front wall and the rear wall of the two telescopic support arms 2, the fixing holes 9 respectively correspond to the positioning holes 7 when the telescopic support arms 2 move, the fixing bolts 10 are inserted into the positioning holes 7 and the fixing holes 9, and the two telescopic support arms 2 are fixed by the telescopic length fixing bolts 10 for adjusting the two telescopic support arms 2 according to the width of a construction overhead line. Through be provided with location tooth 11 on the wheel wall periphery of two rope sheave 4 one side respectively, two rope sheaves 4 are fixed the cover respectively and are put on receipts rope axle 12, receive in the shaft hole on the middle front and back wall of horizontal support 1 is installed respectively to the both ends of rope axle 12, folding crank 3 is fixed to be installed and is located horizontal support 1 outer end receipts rope axle 12, fixed winding has wire rope 14 on two rope sheaves 4, and pulley 8 and lifting hook 15 fixed connection are walked around respectively to the other end of wire rope 14, and two rope sheaves 4 are coaxial, rotate folding crank 3 and can make wire rope 14 receive and release to make lifting hook 15 drive the optical cable and reciprocate.

The rope collecting shaft 12 is provided with a ratchet device, the ratchet device comprises a ratchet 16, a pawl 17 and a pawl shaft seat 18, the ratchet 16 is fixedly sleeved on the rope collecting shaft 12, the pawl shaft seat 18 is fixedly arranged on the inner wall of the upper end of the transverse support body 1, the rear end of the pawl 17 is sleeved on a pin shaft of the pawl shaft seat 18, a pawl torsion spring 19 is sleeved on the pin shaft, the upper end of the pawl 16 is provided with an unlocking push handle 20, the unlocking push handle 20 and the pawl 17 are of an integral structure, the upper end of the unlocking push handle 20 passes through a push handle through hole 21 of the upper end face of the transverse support body 1, and when the unlocking push handle 20 is pushed backwards, the front end of the pawl 17 is separated from a latch of the ratchet 16, so that the rope collecting shaft 12 can rotate randomly.

The two eccentric cam locking rods 5 are respectively and fixedly arranged in mounting holes at the upper end of the transverse support body 1, each eccentric cam locking rod 5 comprises a lock body 51, a lock rod 52 and an eccentric cam handle 53, a lock rod telescopic chamber 54 is vertically arranged in each lock body 51, each lock rod 52 is arranged in each lock rod telescopic chamber 54, the upper ends of the lock rods 52 penetrate through holes at the upper ends of the lock bodies 51 and are vertically and fixedly connected with a cam shaft of the eccentric cam handle 53, a spring 55 is sleeved on each lock rod 52 in each lock rod telescopic chamber 54, the lower ends of the springs 55 are abutted against bosses of the lock rods 52, the upper ends of the springs 55 are abutted against the inner walls at the upper ends of the lock bodies 51, clamping tongues 56 are convexly arranged at the lower ends of the lock rods 52, when the clamping tongues 56 move upwards, the rope wheels 4 can rotate freely, and the clamping tongues 56 are clamped in positioning teeth 11 of the rope wheels 4, so that the rope wheels 4 are fixedly locked, and the optical cable overhauling work is carried out.

Claims (4)

1. The utility model provides a transmission line tangent tower handles optical cable defect maintenance instrument, includes horizontal support body (1), two flexible support arms (2), folding crank (3), two rope pulleys (4) and two eccentric cam locking bars (5), characterized by cross arm body (1) both ends have seted up support arm socket (6) respectively, correspond respectively on the wall around cross arm body (1) of support arm socket (6) and be provided with a plurality of locating holes (7), two flexible support arms (2) are inserted respectively and are established at support arm socket (6), install pulley (8) respectively on the outer end inner wall of two flexible support arms (2), correspond respectively on the front and back wall of two flexible support arms (2) and be provided with fixed orifices (9), fixed orifices (9) correspond respectively with a plurality of locating holes (7) when flexible support arm (2) are removed, be equipped with fixing bolt (10) in locating hole (7) and fixed orifices (9), be provided with location tooth (11) respectively on the wheel wall periphery of two rope pulleys (4) one side, two rope pulleys (4) are fixed in the sleeve respectively on the side of support arm socket (1), are received in the axle hole (12) is received in the side of the crank (12) and are received in the side of the crank (1) and are received in the fixed axle hole (12) respectively, a steel wire rope (14) is fixedly wound on the two rope pulleys (4), and the other ends of the steel wire ropes (14) are fixedly connected with lifting hooks (15) by respectively winding around the pulleys (8);

the eccentric cam locking rod (5) is fixedly arranged in an installation hole at the upper end of the cross arm body (1), the eccentric cam locking rod (5) comprises a lock body (51), a lock rod (52) and an eccentric cam handle (53), a lock rod expansion chamber (54) is vertically arranged in the lock body (51), the lock rod (52) is arranged in the lock rod expansion chamber (54), the upper end of the lock rod (52) penetrates through a through hole at the upper end of the lock body (51) and is vertically and fixedly connected with a cam shaft of the eccentric cam handle (53), a spring (55) is sleeved on the lock rod (52) in the lock rod expansion chamber (54), the lower end of the spring (55) abuts against a boss of the lock rod (52), the upper end of the spring (55) abuts against the inner wall at the upper end of the lock body (51), a clamping tongue (56) is convexly arranged at the lower end of the lock rod (52), and is clamped in a positioning tooth (11) of the rope pulley (4) when the clamping tongue (56) moves downwards.

2. The tool for repairing defects of optical cables for linear towers of power transmission lines according to claim 1 is characterized in that a positioning clamping groove (13) is concavely formed in the middle of the lower end of the cross arm body (1).

3. The tool for repairing defects of optical cables for linear towers of power transmission lines according to claim 1 is characterized in that two ends of the two telescopic support arms (2) are of tapered ladder structures.

4. The tool for repairing defects of optical cable in linear towers of power transmission lines according to claim 1, wherein the rope collecting shaft (12) is provided with a ratchet device, the ratchet device comprises a ratchet wheel (16), a pawl (17) and a pawl shaft seat (18), the ratchet wheel (16) is fixedly sleeved on the rope collecting shaft (12), the pawl shaft seat (18) is fixedly arranged on the inner wall of the upper end of the cross arm body (1), the rear end of the pawl (17) is sleeved on a pin shaft of the pawl shaft seat (18), a pawl torsion spring (19) is sleeved on the pin shaft, an unlocking push handle (20) is arranged at the upper end of the pawl (17), the unlocking push handle (20) and the pawl (17) are of an integral structure, and the upper end of the unlocking push handle (20) penetrates through a push handle through opening (21) in the upper end face of the cross support body (1).

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