CN205565531U - Low pressure is tensioner bullwheel for overhead line - Google Patents

Abstract

The utility model discloses a wire tightening device for low-voltage stringing, which relates to the technical field of wire stringing in electric power systems. Including the pole part, the device part on the pole, the ground device part, the steel wire guide rope and the power part; the wire tightening device is small in size, takes up little space, and is easy to carry. It is suitable for both harsh environment areas and plain areas; The utility model is simple to manufacture. Compared with the wire trolley and the unmanned wire machine, the required cost is low, and the maintenance cost is low; the use of the reel to tighten the wire reduces the construction area and makes the device suitable for use in the environment. It is used in harsh mountainous areas; when the wire is relatively light, the wire tightening device can tighten the wire through the crank handle. When the wire is long and heavy, the motor generates power to stretch the wire, which can greatly reduce manpower and make it easier Convenient and fast; the utility model adopts a DC motor as the power part, which makes the motor start quickly, has good speed regulation performance, and is beneficial to control.

Description

A wire tightening device for low-voltage stringing

technical field

The utility model relates to the technical field of stringing devices for electric power systems, in particular to a wire tightening device for low-voltage stringing.

Background technique

In recent years, with the continuous development of science and technology, various technologies of the power system continue to mature. At present, the wiring of power system lines has been developed to the high-tech level such as unmanned aerial vehicles and trolleys, saving time and effort. However, these devices are mostly used for high-voltage wiring. If they are used for low-voltage wiring in villages, they will look like big horses and small carts, and there are almost no trolleys and drones for wiring in rural areas. In some rugged mountainous areas and poor mountain villages, it is even more unrealistic to use drones and trolleys; even if there is such equipment, it cannot be used due to the terrain; and the high cost of equipment cannot be afforded. Therefore, when wiring in rural areas, many people still use manpower to stretch the wires, and then fix them to the porcelain bottle on the cross arm. This kind of wiring not only wastes manpower, but also makes the sag of the wires not meet the national standard, and is prone to disconnection, etc. ACCIDENT.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a low-voltage wire tightening device, which is small in size, takes up little space, and is easy to carry. Used in harsh mountainous environments. In order to achieve the above object, the technical solution adopted in the utility model is:

A wire tightening device for low-voltage stringing, including a pole part, a pole-mounted device part, a ground device part, a steel wire guide rope and a power part, wherein the pole part includes a pole, a cross arm, a U-shaped hoop, a nut, and a porcelain bottle ;The device on the pole includes a trapezoidal bracket, a small fixed plate, the first screw, a pulley bracket, a pulley, a large fixed plate, a second screw and a wire hole; the ground device includes an L-shaped base, a reel support, a ball bearing, and a reel , crank, gear, rectangular iron sheet, iron sheet fixed shaft, reel fixing hole and large pulley; the bottom of the utility pole is buried in the ground or poured in cement concrete, and the utility pole is perpendicular to the ground; the top of the utility pole is set There is a cross arm, the cross arm is perpendicular to the pole, and the cross arm is fixed to the top of the pole through U-shaped hoops and nuts; three porcelain bottles are installed on the top of the cross arm, and the porcelain bottles are evenly distributed on the cross arm; It is part of the device on the rod. Below the U-shaped hoop is a trapezoidal bracket. There is a threaded hole on one side of the trapezoidal bracket, and a threaded hole is also opened on the small fixing plate. The inner diameter of the threaded hole of the trapezoidal bracket and the small fixing plate is the same. The fixed plates are connected together by the first screw; the top of the trapezoidal bracket is a pulley bracket, and the pulley bracket and the trapezoidal bracket are welded as one; the pulley bracket has a groove, and a pulley is installed in the groove; the bottom side of the trapezoidal bracket is also provided with Threaded holes, the large fixed plate also has threaded holes and the same inner diameter, the trapezoidal bracket and the large fixed plate are connected by the second screw and fixed on the utility pole; the plane of the small fixed plate and the plane of the large fixed plate are parallel to each other in space; the trapezoidal bracket There is a wire hole at one end of the connection with the pulley bracket, and the wire hole is perpendicular to the plane where the bottom of the pulley bracket is; Both ends are provided with a reel support, and a ball bearing is installed at the center of the reel support, and the reel is installed on the ball bearing; one ball bearing is coaxially connected with the gear, and the other ball bearing is coaxially connected with the large pulley; A crank is arranged on the side of the gear, and the crank is welded with the gear; a slot is arranged above the reel support on the gear side, and a rectangular iron sheet is connected to the reel support by an iron sheet fixed shaft.

To further optimize this technical solution, the steel wire guide rope includes a steel wire rope and a lock buckle, one end of the steel wire rope is fixedly connected to the fixing hole of the drum, and the other end is fixedly connected to the lock buckle.

To further optimize this technical solution, the power part includes a power supply, a control module, a motor base, a motor, a small pulley, a transmission belt and fixing screws, and the power supply supplies power to the motor, and starts or stops under the control of the control module; the motor There are round holes in the four corners of the base, and the fixing screws pass through the round holes to fix the motor base to the L-shaped base; the motor is fixedly connected to the motor base; the motor rotor shaft is equipped with a small pulley and a large pulley Located on the same level as the small pulley, the large pulley and the small pulley are connected by a transmission belt.

To further optimize this technical solution, the power source is a storage battery or a direct current generated by a power grid through rectification and voltage stabilization.

To further optimize this technical solution, the motor is a DC motor.

The method for stringing with the above-mentioned low-voltage stringing device comprising the following steps:

a. First, connect the upper end of the small fixing plate and the trapezoidal bracket with the first screw, and connect the lower end of the large fixing plate and the trapezoidal bracket with the second screw. The trapezoidal bracket can move up and down along the direction of the pole;

b. Pull the trapezoidal bracket to the top of the utility pole and below the cross arm, and fix the trapezoidal bracket to the upper part of the utility pole through the small fixing plate and the large fixing plate with the first screw and the second screw;

c. Fix one end of the wire rope of the wire guide rope on the fixing hole of the reel, then pass through the wire hole on the trapezoidal bracket and wind it on the pulley, and connect the other end to the lock, which is connected to one end of the wire that needs to be tightened;

d. Turn the reel by the crank, or drive the reel by the motor to drive the wire rope to rotate around the pulley, and the wire rope is wound on the reel to gradually tighten the wire;

e. When the wire is tightened to the sag required by the specification, stop turning the handle or turn off the motor, turn the rectangular iron piece around the fixed axis of the iron piece to the gear, and use the rectangular iron piece to clamp the gear;

f. Fix the wire to the porcelain bottle on the cross arm;

g. Open the lock of the wire rope guide rope 4, and separate the wire and the wire rope guide rope.

Compared with the prior art, the utility model has the following advantages:

1. The wire tightening device is small in size, takes up little space, and is easy to carry. It is suitable for areas with harsh environments and is also suitable for plain areas;

2. The utility model is easy to manufacture, and compared with the wire trolley and the unmanned wire machine, the cost required for the device is low, and the maintenance cost is less;

3. The utility model uses a reel to tighten the wire, so that the construction area can be reduced, making the device suitable for use in mountainous areas with harsh environments;

4. The device is equipped with a power part and a manpower part to stretch the wire. When the wire is relatively light, the wire can be tightened by the crank. When the wire is long and heavy, the power part generates power to stretch the wire. Can greatly reduce manpower, and more convenient and quick;

5. The utility model adopts a DC motor as the power part, which makes the motor start quickly, has good speed regulation performance, and is beneficial to control.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a wire tightening device for low-voltage stringing.

Fig. 2 is a front view of the fixing device structure of a wire tightening device for low-voltage stringing.

Fig. 3 is a right view of the fixing device structure of a tensioning device for low-voltage stringing.

Fig. 4 is a front view of the power device of a tensioning device for low-voltage stringing.

Fig. 5 is a right view of the fixing device structure of a tensioning device for low-voltage stringing.

Fig. 6 is a structural schematic diagram of a wire rope guide rope of a wire tightening device for low-voltage stringing.

Fig. 7 is a block diagram of a control circuit of a wire tightening device for low-voltage stringing.

Fig. 8 is a structural schematic diagram of a transmission belt of a wire tightening device for low-voltage stringing.

In the figure: 1, electric pole part; 101, electric pole; 102, crossarm; 103, U-shaped hoop; 104, nut; 105, porcelain bottle; 203, the first screw; 204, the pulley bracket; 205, the pulley; 206, the large fixed plate; 207, the second screw; 208, the wire hole; 3, the ground installation part; 301, the L-shaped base; 302, the reel Bracket; 303, ball bearing; 304, reel; 305, crank; 306, gear; 307, rectangular iron sheet; 308, iron sheet fixed shaft; 309, reel fixed hole; 310, large pulley; 4, steel wire Guide rope; 401, wire rope; 402, lock; 5, power part; 501, power supply; 502, control module; 503, motor base; 504, motor; 505, small pulley; 506, transmission belt; 507, fixed screw.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and not intended to limit the scope of the present invention. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessarily confusing the concept of the present invention.

Referring to Figures 1-8, a tensioning device for low-voltage stringing includes a utility pole part 1, a pole-mounted device part 2, a ground device part 3, a steel wire guide rope 4 and a power part 5, wherein the utility pole part 1 includes a utility pole 101 , cross arm 102, U-shaped hoop 103, nut 104, porcelain bottle 105; the device part 2 on the rod includes a trapezoidal support 201, a small fixed plate 202, the first screw 203, a pulley support 204, a pulley 205, a large fixed plate 206, the first Two screws 207 and wire holes 208; the ground device part 3 includes an L-shaped base 301, a reel support 302, a ball bearing 303, a reel 304, a crank handle 305, a gear 306, a rectangular iron sheet 307, an iron sheet fixed shaft 308, a coil Tube fixing hole 309 and large pulley 310; the bottom of utility pole 101 is buried in the ground or is poured in cement concrete, and utility pole 101 is perpendicular to the ground; 101 are perpendicular to each other, and the cross arm 102 is fixed to the top of the utility pole 101 through the U-shaped hoop 103 and the nut 104; three porcelain bottles 105 are installed above the cross arm 102, and the porcelain bottles 105 are evenly distributed on the cross arm 102; Below is device part 2 on the rod, and below U-shaped hoop 103 is trapezoidal support 201, and one side of the top of trapezoidal support 201 has threaded hole, and small fixed plate 202 also has threaded hole, and trapezoidal support 201 and small fixed plate 202 threaded hole inner diameters are identical, trapezoidal support 201 and small fixed plate 202 are connected together by first screw 203; Groove, pulley 205 is installed in the groove; The bottom side of trapezoidal support 201 also has threaded hole, and large fixed plate 206 also has threaded hole and identical inner diameter, trapezoidal support 201 and large fixed plate 206 are connected by second screw 207 and Fixed on the utility pole 101; the plane of the small fixing plate 202 and the plane of the large fixing plate 206 are parallel to each other in space; one end of the junction of the trapezoidal bracket 201 and the pulley bracket 204 has a wire hole 208, and the wire hole 208 is on the plane where the bottom of the pulley bracket 204 is located Vertical to each other; the ground device part 3 is arranged on the junction of the utility pole 101 and the ground, and the bottom of the utility pole 101 is provided with an L-shaped base 301, and both ends of the L-shaped base 301 in the length direction are provided with a reel support 302, and the reel support 302 A ball bearing 303 is installed at the center of the center, and the reel 304 is installed on the ball bearing 303; one ball bearing 303 is coaxially connected with the gear 306, and the other ball bearing 303 is coaxially connected with the large pulley 310; on the side of the gear 306 A crank handle 305 is provided, and the crank handle 305 and the gear 306 are welded together; there is a groove above the reel support 302 on the gear side, and the rectangular iron sheet 307 is connected to the reel support 302 through the iron sheet fixed shaft 308; the steel wire guide rope 4 includes steel wire rope 401 and lock buckle 402, and steel wire rope 4 One end of 01 is fixedly connected to the reel fixing hole 309, and the other end is fixedly connected to the lock buckle 402; the power part 5 includes a power supply 501, a control module 502, a motor base 503, a motor 504, a small pulley 505, a transmission belt 506 and Fixing screws 507, the power supply 501 supplies power to the motor 504, and starts or stops under the control of the control module 502; the four corners of the motor base 503 have round holes, and the fixing screws 507 pass through the round holes to fix the motor base 503 to the On the L-shaped base 301; the motor 504 is fixedly connected to the motor base 503; the small belt pulley 505 is installed on the rotor shaft of the motor 504, and the large belt pulley 310 and the small belt pulley 505 are located on the same horizontal plane, and the large belt pulley 310 and the small belt The wheels 505 are connected by a transmission belt 506; the power source 501 can be a storage battery or a DC power generated by the grid through rectification and stabilization; the motor 504 is a DC motor.

The method for stringing with a tensioning device for low-voltage stringing comprises the following steps:

a, at first the small fixed plate 202 and the upper end of the trapezoidal support 201 are connected with the first screw 203, the lower end of the large fixed plate 206 and the trapezoidal support 201 is connected with the second screw 207, and the trapezoidal support 201 is enclosed within the utility pole 101, The small fixed plate 202, the large fixed plate 206 and the trapezoidal support 201 can move up and down along the direction of the utility pole 101;

b. Pull the trapezoidal bracket 201 to the top of the utility pole 101 and below the cross arm 102, and use the first screw 203 and the second screw 207 to fix the trapezoidal bracket 201 to the top of the utility pole 101 through the small fixing plate 202 and the large fixing plate 206 ;

c. Fix one end of the steel wire rope 401 of the steel wire guide rope 4 on the reel fixing hole 309, then pass through the wire hole 208 on the trapezoidal bracket 301 and wind it around the pulley 205, and the other end is connected to the lock 402, and the lock 402 is connected to the pulley that needs to be pulled. Tight wires connected at one end;

d. Rotate the reel 304 by the crank handle 305, or drive the reel 304 by the motor 504 to drive the steel wire rope 401 to rotate around the pulley 205, and the steel wire rope 401 is wound on the reel 304 to gradually tighten the wire;

e. When the wire is tightened to the sag required by the specification, stop turning the handle 305 or turn off the motor 504, turn the rectangular iron sheet 307 around the fixed shaft 308 of the iron sheet to the gear 306, and clamp the gear with the rectangular iron sheet 307 306;

f, electric wire is fixed on the porcelain bottle 105 on the cross arm 102;

g. Open the lock 402 of the steel wire rope guide rope 4, and separate the electric wire and the steel wire rope guide rope 4.

The low-voltage stringing device of the above embodiment has a simple structure. When erecting relatively thin and light wires, only two workers are needed to complete the task of stringing, which greatly saves manpower; and the reel 304 is used instead of Direct stretching without manpower is not only labor-saving, but also faster; the device is simple and lightweight, not only suitable for harsh mountainous areas, but also suitable for flat plains. The equipment is simple, easy to carry, and low in price. The device is small in size, takes up little space, and is easy to carry. It is suitable for both areas with harsh environments and plain areas; the utility model is simple to manufacture, and the required cost is low compared with wire trolleys and unmanned wire machines. The maintenance cost is low; the utility model uses the reel 304 to tighten the wire, so that the construction area can be reduced, so that the device is suitable for use in mountainous areas with harsh environments; When it is relatively light, the wire can be tightened by the crank handle 305. When the wire is relatively long and heavy, the power part generates power to stretch the wire, which can greatly reduce manpower, and is more convenient and quick; the utility model adopts a direct current The electric motor is used as a power source, so that the electric motor 504 starts quickly and has good speed regulation performance, which is beneficial to control.

It should be understood that the above specific embodiments of the present utility model are only used to illustrate or explain the principle of the present utility model, but not to limit the present utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model shall be included in the protection scope of the present utility model. Furthermore, the appended claims are intended to cover all changes and modifications that come within the scope and boundaries of the appended claims, or equivalents of such scope and boundaries.

Claims (5)

1. a kind of tensioning device for low-voltage stringing, is characterized in that: comprise electric pole part (1), device part (2) on the pole, ground device part (3), steel wire guide rope (4) and power part (5) ), wherein the pole part (1) includes a pole (101), a cross arm (102), a U-shaped hoop (103), a nut (104), and a porcelain bottle (105); the device part (2) on the pole includes a trapezoidal bracket (201), small fixing plate (202), first screw (203), pulley bracket (204), pulley (205), large fixing plate (206), second screw (207) and wire hole (208); ground The device part (3) comprises an L-shaped base (301), a reel support (302), a ball bearing (303), a reel (304), a crank handle (305), a gear (306), a rectangular iron sheet (307), Iron plate fixing shaft (308), reel fixing hole (309) and large pulley (310); the bottom of the utility pole (101) is buried in the ground or poured in cement concrete, and the utility pole (101) is perpendicular to the ground; The top of the utility pole (101) is provided with a cross arm (102), the cross arm (102) and the utility pole (101) are perpendicular to each other, and the cross arm (102) is fixed to the The top of the utility pole (101); three porcelain bottles (105) are installed above the cross arm (102), and the porcelain bottles (105) are evenly distributed on the cross arm (102); 2), the below of the U-shaped hoop (103) is a trapezoidal support (201), one side of the top of the trapezoidal support (201) has a threaded hole, and the small fixing plate (202) also has a threaded hole, and the trapezoidal support (201 ) and the small fixed plate (202) threaded hole inner diameter are identical, the trapezoidal support (201) and the small fixed plate (202) are connected together by the first screw (203); the top of the trapezoidal support (201) is a pulley support (204), Pulley support (204) is welded as one with trapezoidal support (201); Pulley support (204) has groove, and pulley (205) is installed in the groove; The bottom side of trapezoidal support (201) also has threaded hole, large The fixed plate (206) also has threaded holes and the same inner diameter, the trapezoidal bracket (201) is connected with the large fixed plate (206) by the second screw (207) and fixed on the utility pole (101); the small fixed plate (202) The plane and the large fixed plate (206) plane are parallel to each other in space; one end of the junction of the trapezoidal support (201) and the pulley support (204) has a wire hole (208), and the wire hole (208) and the bottom of the pulley support (204) are located The planes are perpendicular to each other; the ground device part (3) is arranged at the joint between the utility pole (101) and the ground, and the bottom of the utility pole (101) is provided with an L-shaped base (301), and both ends of the L-shaped base (301) in the length direction are A reel support (302) is provided, and a ball bearing (303) is installed at the center of the reel support (302), The reel (304) is installed on the ball bearing (303); a ball bearing (303) is coaxially connected with the gear (306), and another ball bearing (303) is coaxially connected with the large pulley (310); in the gear ( 306) is provided with crank (305) on the side, and crank (305) is welded together with gear (306); ) is connected on the reel support (302) by iron sheet fixed shaft (308). 2. The wire tightening device for low-voltage stringing according to claim 1 is characterized in that: the steel wire guide rope (4) includes a steel wire rope (401) and a lock (402), and one end of the steel wire rope (401) is fixedly connected to the coil On the cylinder fixing hole (309), the other end is fixedly connected with the lock catch (402). 3. The wire tightening device for low-voltage stringing according to claim 1 is characterized in that: the power part (5) includes a power supply (501), a control module (502), a motor base (503), a motor (504) , small pulley (505), drive belt (506) and fixing screw (507), the power supply (501) supplies power to the motor (504), and starts or stops under the control of the control module (502); the motor base (503 ) has round holes at the four corners, and the fixing screws (507) pass through the round holes to fix the motor base (503) to the L-shaped base (301); the motor (504) is fixedly connected to the motor base (503) Small belt pulley (505) is installed on the motor (504) rotor shaft, and large belt pulley (310) and small belt pulley (505) are positioned on the same horizontal plane, and large belt pulley (310) and small belt pulley (505) pass transmission Belts (506) are connected. 4. A wire tightening device for low-voltage stringing according to claim 3, characterized in that: the power supply (501) is a battery or direct current generated by a power grid through rectification and voltage stabilization. 5. A wire tightening device for low-voltage stringing according to claim 3, characterized in that: the motor (504) is a DC motor.