CN111884127A - Automatic mounting equipment for pre-twisted wire protection line for electric power engineering - Google Patents

Abstract

The invention discloses an automatic installation equipment for pre-twisted wire guard strips for electric power engineering, comprising an assembly ring, a twisting device is arranged in the assembly ring, a driving device is arranged in the assembly ring, and the end of the connecting half ring is connected with a sleeve through a disengaging device A set ring is provided with a fastening device on the sleeve set ring. In the present invention, the pre-twisted wire and the cable are clamped by the arc-shaped inner tightening plate through the joint action of the sleeve ring, the threaded ring, the arc-shaped limit plate and the inclined arc-shaped plate, so that the end of the pre-twisted wire is at the end of the pre-twisted wire. In a fixed state, power is provided by the friction between the pre-twisted wire and the driving wheel, and the rotation of the pre-twisted wire is realized under the joint action of the power bevel gear, the transmission bevel gear, the transmission shaft and the transmission gear, so that the pre-twisted wire is moving. Rotation is realized during the process of twisting, so that the pre-twisted wire is spirally wound on the cable, and the installation of the pre-twisted wire guard strip is realized.

Description

A kind of automatic installation equipment of pre-twisted wire guard strip for electric power engineering

technical field

The invention relates to the technical field of electric power engineering, in particular to an automatic installation device for pre-twisted wire grommets for electric power engineering.

Background technique

The transmission and distribution of electric energy is mainly realized through the high and low voltage AC power grid. In the past 30 years, HVDC technology has made rapid progress and has been more and more widely used in some power transmission fields. Therefore, as the development direction of power transmission engineering technology, its focus is to study UHV (above 1 million volts) AC power transmission and DC power transmission technology to form a larger power network; at the same time, it is also necessary to study the technical problems of superconductor power transmission, in order to prevent overhead power The suspension point of the line is damaged by vibration, and the guard line is installed at the clip of the line wire, so that the stiffness near the clip is enhanced, the bending and extrusion stress and wear of the wire due to vibration are suppressed, and the vibration resistance of the wire is improved. There are two types of grommets: tapered and pre-twisted. In my country, pre-twisted wire guards are mostly used as anti-vibration protection measures. Pre-twisted wire has been included in hardware products and is an aluminum-magnesium-silicon alloy wire.

The existing pre-twisted wire guard strips are manually rotated during installation so that the pre-twisted wire guard strips are sleeved on the cable. It is very difficult for some novices. When the hands are working, only the feet are in contact with the cable, which is difficult to ensure the safety of the installation workers, and the installation of the pre-twisted wire guardrail by turning both hands cannot guarantee the pre-twisted wire. The connection between the grommet and the cable is firm.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem that when the existing pre-twisted wire protective strip is manually rotated during installation, the pre-twisted wire protective strip is sleeved on the cable, and when working at high altitude, walking on the high-voltage cable, rotating the pre-twisted wire with both hands. It is very difficult for some novices to twist the wire guards. When the hands are working, only the feet are in contact with the cable, which is difficult to ensure the safety of the installers, and the installation of the pre-twisted guards can be realized by turning both hands. The shortcoming that the connection between the pre-twisted wire grommet and the cable cannot be guaranteed, and the proposed automatic installation equipment for the pre-twisted wire grommet for power engineering can effectively realize the installation of the pre-twisted wire grommet, and the It can liberate both hands and ensure the safety of installation workers.

In order to achieve the above object, the present invention adopts the following technical solutions:

An automatic installation equipment for pre-twisted wire grommets for electric power engineering, comprising two semicircular assembly rings, the two assembly rings are connected by a hinge, a twisting device is arranged in the assembly rings, and the two assembly rings are connected by a hinge. One side wall of the assembly ring is fixedly connected with a connecting half-ring, a plurality of circular grooves are opened on the connecting half-ring, a driving device is arranged in the circular groove, and the end of the connecting half-ring is connected with a disengaging device. The sleeve ring is provided with a fastening device, and the end of the assembly ring is connected with a locking wheel through an electrostatic guiding device. The locking wheel is provided with a belt hook, and one side of the locking wheel is A force-bearing semi-circle is provided, and a uniform force-bearing device is arranged on the force-bearing half-circle.

Preferably, the stranding device comprises a semicircular groove with a T-shaped cross section opened on the inner side wall of the assembly ring, a T-shaped limit ring is slidably connected in the semicircular groove, and the two T-shaped limit rings are connected together There is the same winding half ring, and a plurality of winding holes arranged obliquely are evenly opened on the winding half ring.

Preferably, the driving device includes a rotating shaft rotatably connected to the opposite side walls of the circular groove, a drive wheel is fixedly connected to the outer side wall of the rotating shaft, a power bevel gear is fixedly connected to the rotating shaft, and the power cone The gear is meshed and connected with a transmission bevel gear;

The inner side wall of the assembly ring is provided with a circular gear groove, the transmission bevel gear is fixedly connected with a transmission shaft that penetrates into the circular gear groove, the other end of the transmission shaft is fixedly connected with a transmission gear, and the winding half ring The outer side wall is provided with an annular groove, and the inner side wall of the annular groove is fixedly connected with a spur gear layer in meshing connection with the transmission gear.

Preferably, the fastening device is fixedly connected to a plurality of annularly distributed inclined arc-shaped plates on the side wall of the end of the sleeve ring, the inner side wall of the inclined arc-shaped plate is provided with an abutting arc-shaped block, and the inclined arc The outer side wall of the shaped plate is provided with a threaded groove, and the threaded groove is threadedly connected with a threaded ring arranged obliquely.

Preferably, the disengagement device includes an arc-shaped moving groove formed on the sleeve ring, an arc-shaped through hole is formed at the bottom of the arc-shaped moving groove, and an arc-shaped limit plate is arranged in the arc-shaped moving groove, so The end of the arc-shaped limiting plate is fixedly connected with an arc-shaped inner fastening plate penetrating through the arc-shaped through hole, and the end of the arc-shaped inner fastening plate is provided with a limiting strip.

Preferably, a telescopic inner column is fixedly connected to the end of the arc-shaped limiting plate, a telescopic outer ring is slidably connected to the telescopic inner column, and the end of the telescopic outer ring is fixedly connected to the end of the connecting half ring.

Preferably, the uniform force-bearing device comprises a plurality of evenly distributed guide holes opened on the force-bearing semi-circle, and a plurality of rolling balls are evenly arranged on the inner side wall of the force-bearing half-circle.

Preferably, the electrostatic guiding device includes a plurality of hanging rings fixedly connected to the outer side wall of the assembly ring, the hanging rings are connected with metal wires through hooks, and a plurality of force bearing holes are evenly opened on the force bearing semi-circle , the metal wire extends outward through the force bearing hole, and is jointly connected with a control wire, and the control wire is wound and connected with the locking wheel.

Preferably, the sleeve ring is composed of two sleeve half rings connected by a third bolt and nut ring, the assembly rings are connected by a first screw nut ring, and the force receiving half rings are connected by a first screw and nut ring. The second screw nut ring is connected.

Compared with the prior art, the beneficial effects of the present invention are:

By setting the joint action of the sleeve ring, the threaded ring, the arc-shaped limit plate and the inclined arc-shaped plate, the arc-shaped inner fastening plate clamps the pre-twisted wire bead and the cable in it, so that the pre-twisted wire can be clamped. The end is in a fixed state. At this time, the power is provided by the friction between the pre-twisted wire and the driving wheel, and the rotation of the pre-twisted wire is realized under the combined action of the power bevel gear, the transmission bevel gear, the transmission shaft and the transmission gear. , so as to realize the rotation of the pre-twisted wire in the process of moving, so that the pre-twisted wire is spirally wound on the cable, and the installation of the pre-twisted wire guard strip is realized. safer.

Description of drawings

1 is a schematic structural diagram of an automatic installation equipment for pre-twisted wire guard strips for electric power engineering proposed by the present invention;

Fig. 2 is the enlarged structure schematic diagram of A place in Fig. 1;

Fig. 3 is the enlarged structure schematic diagram of B place in Fig. 1;

4 is a schematic cross-sectional structure diagram of an assembly block in an automatic installation equipment for pre-twisted wire guard strips for electric power engineering proposed by the present invention;

FIG. 5 is a schematic structural diagram of a cross section of a set ring in an automatic installation equipment for pre-twisted wire grommets for electric power engineering proposed by the present invention;

FIG. 6 is a schematic diagram of the front structure of an automatic installation equipment for pre-twisted wire guard strips for electric power engineering proposed by the present invention.

In the picture: 1 assembly ring, 2 connection half ring, 3 set ring, 4 locking wheel, 5 belt hook, 6 force half ring, 7 half ring groove, 8T limit ring, 9 winding half ring, 10 Winding hole, 11 drive wheel, 12 power bevel gear, 13 drive bevel gear, 14 drive shaft, 15 drive gear, 16 spur gear layer, 17 inclined arc plate, 18 contact arc block, 19 thread ring, 20 arc Moving slot, 21 arc limit plate, 22 arc inner fastening plate, 23 limit bar, 24 telescopic inner column, 25 telescopic outer ring, 26 guide hole, 27 hanging ring, 28 metal wire, 29 control wire.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Referring to Figures 1-6, an automatic installation equipment for pre-twisted wire guard strips for electric power engineering includes two semicircular assembly rings 1, the two assembly rings 1 are connected by a hinge, and the assembly ring 1 is provided with a twisted wire. Wire device, further, the twisting device comprises a semicircular groove 7 with a T-shaped cross-section opened on the inner side wall of the assembly ring 1, a T-shaped limit ring 8 is slidably connected in the semicircular groove 7, and two T-shaped limit rings 8 The same winding half-ring 9 is connected in common, and a plurality of winding holes 10 arranged obliquely are evenly opened on the winding half-ring 9 .

A connecting half ring 2 is fixedly connected to one side wall of the assembly ring 1, and a plurality of circular grooves are opened on the connecting half ring 2, and a driving device is arranged in the circular groove. The rotating shaft on the side wall, the outer side wall of the rotating shaft is fixedly connected with the driving wheel 11, and the rotating shaft is fixedly connected with the power bevel gear 12. In order to ensure the same rotation direction of the oppositely arranged power bevel gears 12, it is necessary to adjust the power bevel gear 12 by adjusting the power bevel gear 12. The positions on both sides of the drive wheel 11 are different to ensure the rotation direction of the transmission gear 15. The power bevel gear 12 is meshed with the transmission bevel gear 13; There is a transmission shaft 14 that penetrates into the circular gear groove, the other end of the transmission shaft 14 is fixedly connected with a transmission gear 15, the outer side wall of the winding half ring 9 is provided with an annular groove, and the inner side wall of the annular groove is fixedly connected with the transmission gear 15. The spur gear layer 16 is meshed.

The end of the connecting half ring 2 is connected with the sleeve ring 3 through the disengagement device. Further, the disengagement device includes an arc-shaped moving groove 20 opened on the sleeve ring 3. The arc-shaped moving groove 20 is provided with an arc-shaped through hole at the bottom. An arc-shaped limit plate 21 is arranged in the movable groove 20, and the end of the arc-shaped limit plate 21 is fixedly connected with an arc-shaped inner fastening plate 22 which penetrates through the arc-shaped through hole. bitbar 23;

Still further, a telescopic inner column 24 is fixedly connected to the end of the arc limit plate 21, the telescopic inner column 24 is slidably connected to a telescopic outer ring 25, and the end of the telescopic outer ring 25 is fixedly connected to the end of the connecting half ring 2;

The sleeve ring 3 is provided with a fastening device, and further, the fastening device is fixedly connected to a plurality of annularly distributed inclined arc plates 17 on the side wall of the end of the sleeve ring 3, and the inner side wall of the inclined arc plate 17 is provided with There is an abutting arc-shaped block 18, a threaded groove is formed on the outer side wall of the inclined arc-shaped plate 17, and the threaded groove is threadedly connected with an inclined threaded ring 19;

The end of the assembly ring 1 is connected with a locking wheel 4 through an electrostatic guiding device, a belt hook 5 is arranged on the locking wheel 4, a force-bearing half-circle 6 is arranged on one side of the locking wheel 4, and a force-bearing half-circle 6 is arranged on the There is a uniform force device;

Further, the uniform force-bearing device includes a plurality of evenly distributed guide holes 26 opened on the force-bearing semi-circle 6, and a plurality of rolling balls are evenly arranged on the inner side wall of the force-bearing semi-circle 6, which reduces the friction;

Further, the electrostatic guiding device includes a plurality of hanging rings 27 fixedly connected to the outer side wall of the assembly ring 1, the hanging rings 27 are connected with metal wires 28 through hooks, and a plurality of force bearing holes are evenly opened on the force bearing semi-circle 6, The metal wire 28 extends outward through the force-bearing hole, and is jointly connected with a control wire 29. The control wire 29 is connected with the locking wheel 4 in a winding connection. Transferred to the human body and dissipated through the human body's protective clothing.

The sleeve ring 3 is composed of two sleeve half rings connected by a third bolt and nut ring, the assembly rings 1 are connected by a first screw and nut ring, and the force half rings 6 are connected by a second screw and nut ring. The threaded ring 19 is composed of two half-ring bodies, and its cross section is provided with a rectangular block and a rectangular groove oppositely arranged to realize the connection and ensure that the stress generated by the rectangular block and the rectangular groove can be passed during rotation to avoid Disengagement occurs.

In the present invention, during use, the belt hook provided on the locking wheel 4 is connected to the belt, and at the same time, the sleeve ring 3 is connected through the third bolt and nut ring, and the first bolt and nut ring is used to assemble the ring 1. For docking, the second bolt and nut ring connects the stressed semi-circle, so that the connection is integrally set on the cable that needs to be installed on the pre-twisted wire guard line to realize the installation;

At this time, the ends of the plurality of pre-twisted wires are closely contacted on the cable at a specified angle, and the other end is passed through the winding hole opened on the winding half-ring 9, and passed through the force-bearing The guide hole 26 on the semi-circular ring 6 rotates the threaded ring 19 provided on the sleeve ring 3, so that the threaded ring 19 moves to the side away from the sleeve ring 3. The inclined arc-shaped plate 17 generates an inward bending force, and under the action of the inward bending force generated by the plurality of inclined arc-shaped plates 17, the conflicting arc-shaped block 18 drives the arc-shaped inner fastening plate 22 to move toward the circuit. , so that the pre-twisted wire grommet and the cable generate pressure, so that the end of the pre-twisted wire grommet is in a clamped state under the joint action of the cable and the arc inner fastening plate 22. At this time, the staff is in the cable. When walking on the top, the belt of the staff will pull the control wire, and the control wire will drive the metal wire 28 to pull the assembly ring 1 through the action of the force half ring 6, so that the assembly ring 1 and the connecting half ring 2 move;

When the connecting half-ring 2 moves on the cable, the driving wheel 11 arranged on the connecting half-ring 2 will come into contact with the pre-twisted wire bead on the cable, and the driving wheel 11 will be realized by the friction of the pre-twisted bead. so that the driving wheel 11 drives the rotating shaft to rotate, so that the rotating shaft drives the power bevel gear 12 and the transmission bevel gear 13 to rotate when it rotates, so that the transmission gear 15 drives the coils arranged on the outer side wall of the winding half ring 9 The straight tooth layer rotates, so that the pre-twisted wire located in the winding hole in the winding half-ring 9 rotates, so that the pre-twisted wire rotates during the movement process, so that the pre-twisted wire is wrapped obliquely on the cable to achieve pairing. protection of cables;

When the connecting half ring 2 is moved, the plurality of telescopic outer rings 25 and the telescopic inner column 24 connected to the connecting half ring 2 are moved, so that the arc limit plate 21 fixedly connected with the telescopic inner column 24 is moved, Thereby, the arc-shaped limiting plate 21 drives the arc-shaped inner fastening plate 22 to move, and when the arc-shaped inner fastening plate 22 moves, it will gradually disengage from the abutting arc-shaped block 18, so that the abutting arc-shaped block 18 and the pre-arcing block 18 are separated. There is a gap between the stranded wire guards. At this time, the fastening device cannot contact the pre-twisted wire guards. At this time, the pre-twisted wire guards have been wound with the cable for many times. At this time, there is no need to pass The tightening device moves, and the tightening device and the pre-twisted wire guard strip are automatically disengaged, so that the installer does not need to go back and manually disengage.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. An automatic installation device for pre-twisted wire guard strips for electric power engineering, characterized in that it comprises two semicircular assembly rings (1), and the two described assembly rings (1) are connected by hinges, so that the A twisting device is arranged in the assembly ring (1), a connecting half ring (2) is fixedly connected to one side wall of the assembly ring (1), and a plurality of circular grooves are opened on the connecting half ring (2). , a driving device is arranged in the circular groove, the end of the connecting half ring (2) is connected with a sleeve ring (3) through a disengagement device, and a fastening device is arranged on the sleeve ring (3), so The end of the assembly ring (1) is connected with a locking wheel (4) through an electrostatic guiding device, the locking wheel (4) is provided with a belt hook (5), and one side of the locking wheel (4) is provided with a belt hook (5). A force bearing semicircle (6) is provided with a uniform force bearing device on the force bearing semicircle (6). 2 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 1 , wherein the twisting device comprises a semicircle with a T-shaped cross-section, which is arranged on the inner side wall of the assembly ring (1). 3 . A groove (7), a T-shaped limit ring (8) is slidably connected in the semi-circular groove (7), and the two T-shaped limit rings (8) are jointly connected with the same winding half-ring (9), A plurality of winding holes (10) arranged obliquely are evenly opened on the winding half-ring (9). 3 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 2 , wherein the driving device comprises a rotating shaft rotatably connected to the opposite side walls of the circular groove, and the rotating shaft is rotatable. 4 . A drive wheel (11) is fixedly connected to the outer side wall, a power bevel gear (12) is fixedly connected to the rotating shaft, and a drive bevel gear (13) is meshed with the power bevel gear (12); The inner side wall of the assembly ring (1) is provided with a circular gear groove, the transmission bevel gear (13) is fixedly connected with a transmission shaft (14) penetrating into the circular gear groove, and the other end of the transmission shaft (14) A transmission gear (15) is fixedly connected, the outer side wall of the winding half ring (9) is provided with an annular groove, and the inner side wall of the annular groove is fixedly connected with a spur tooth layer (16) meshed with the transmission gear (15). ). 4 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 1 , wherein the fastening device is fixedly connected to a plurality of grommets on the side wall of the end of the sleeve ring ( 3 ). 5 . An annularly distributed inclined arc-shaped plate (17), the inner side wall of the inclined arc-shaped plate (17) is provided with an abutting arc-shaped block (18), the outer side wall of the inclined arc-shaped plate (17) is provided with a threaded groove, and the The threaded groove is threadedly connected with a threaded ring (19) which is arranged obliquely. 5. A kind of automatic installation equipment of pre-twisted wire guard strip for electric power engineering according to claim 1, characterized in that, the detachment device comprises an arc-shaped moving groove (20) provided on the sleeve ring (3), An arc-shaped through hole is formed at the bottom of the arc-shaped moving slot (20), an arc-shaped limiting plate (21) is arranged in the arc-shaped moving slot (20), and an end of the arc-shaped limiting plate (21) is provided. An arc-shaped inner fastening plate (22) penetrating through the arc-shaped through hole is fixedly connected, and a limit strip (23) is provided at the end of the arc-shaped inner fastening plate (22). 6 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 5 , wherein the end of the arc limit plate ( 21 ) is fixedly connected with a telescopic inner column ( 24 ), so the The telescopic inner column (24) is slidably connected with a telescopic outer ring (25), and the end of the telescopic outer ring (25) is fixedly connected with the end of the connecting half ring (2). 7 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 1 , wherein the uniform force-bearing device comprises a plurality of uniform force-bearing devices arranged on the force-bearing semi-circle (6). Distributed guide holes (26), and a plurality of rolling balls are evenly arranged on the inner side wall of the force-receiving semi-circle (6). 8 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 1 , wherein the electrostatic guiding device comprises a plurality of hanging rings ( 27), the hanging ring (27) is connected with a metal wire (28) through a hook, a plurality of force-bearing holes are evenly opened on the force-bearing semi-circle (6), and the metal wire (28) runs through the force-bearing hole The hole extends outward and is commonly connected with a control wire (29), the control wire (29) being wound and connected with the locking wheel (4). 9 . The automatic installation equipment for pre-twisted wire guard strips for electric power engineering according to claim 1 , wherein the sleeve ring ( 3 ) is two sleeve half rings connected by a third bolt and nut ring. 10 . The assembly rings (1) are connected by a first screw and nut ring, and the force-bearing semicircular rings (6) are connected by a second screw and nut ring.

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