CN105234882A - Live fastening device for transformer device bolt - Google Patents

Abstract

The invention provides a bolt live fastening device for substation equipment, which includes a handle, an insulating sleeve, claws, an electric drive device, a connecting sleeve, a nut ferrule, a tightening ring, an extension tube, a quick-connect joint, a clamping slot, and a manipulation Rod, electric switch, lighting lamp and running indicator light, the handle is installed in the lower part of the insulating sleeve; the electric drive device is installed in the middle of the insulating sleeve through claws; the claws include terminals, The connecting terminal is arranged on the inner side of the claw. The electric drive device of the present invention, the setting of the extension tube and the nut ferrule, realizes the electric drive of the live fastening of the bolts of the substation equipment, saves time and effort, improves work efficiency, facilitates structural adjustment, improves adaptability, and expands the use range of the equipment. Easy to promote and use.

Description

Live fastening device for bolts of substation equipment

technical field

The invention belongs to the technical field of power transformation equipment, in particular to a live fastening device for bolts of power transformation equipment.

Background technique

At present, the outdoor substation equipment of the substation is exposed to the natural environment for a long time, bears normal mechanical load and strong wind, and the bolts of the primary conductive part are loosened by the wind vibration, causing the conductive part to heat up and causing the substation equipment to burn out. At present, it is necessary to cut off the power for maintenance to eliminate such defects, which not only complicates the work procedure, but also brings economic losses to industrial and agricultural production and seriously affects economic construction. According to statistics, in all power outage maintenance projects, the power loss of fastening the conductive part bolts accounts for 32%.

The Chinese patent publication number is CN202495694U, and the name of the invention is the live fastening device for the clamp bolt of the substation equipment, which includes a sleeve and an insulating joystick. A gear set composed of the first gear and the second gear, the first gear includes an upper connecting shaft and a lower connecting shaft, the second gear includes a lower connecting shaft, and the sleeve is connected to the upper connecting shaft of the first gear or The lower connection shaft, the insulating control rod is connected to the lower connection shaft of the second gear, but the existing fastening device has poor safety and reliability, time-consuming and laborious operation, low work efficiency, inconvenient structure adjustment, poor adaptability, and small application range question.

Therefore, it is very necessary to invent a kind of electrical substation equipment bolt live fastening device.

Contents of the invention

In order to solve the above technical problems, the present invention provides a bolt live fastening device for substation equipment to solve the problems of poor safety reliability, time-consuming and laborious operation, low work efficiency, inconvenient structure adjustment, poor adaptability and wide application range of existing fastening devices. Minor issues, including handles, insulating sleeves, jaws, electric drives, connecting sleeves, nut ferrules, tightening rings, extension tubes, quick connectors, card slots, joysticks, electric switches, lights and running indicators Light, the handle is installed in the lower part of the insulating sleeve; the electric drive device is installed in the middle of the insulating sleeve through the claw; the claw includes a terminal, and the terminal is arranged on the claw Inside; the upper part of the connecting sleeve is installed with a tightening ring; the nut ferrule is fixed on the upper part of the quick-connect joint through a card slot; the extension tube is connected between the insulating sleeve and the quick-connect joint; the manipulation The lever includes a square shaft and a driven gear, the square shaft is arranged on the top of the joystick; the driven gear is installed in the middle of the joystick; the electric drive device includes a motor, a battery, a transmission gear and a transmission shaft , the motor or battery is fixedly installed on both sides of the middle part of the insulating sleeve through claws; the transmission gear is installed on the upper part of the transmission shaft, and the transmission gear is connected between the motor and the driven gear; the rotation The tight ring includes a tight hoop, and the said tight hoop is set on the outside of the square shaft; the nut ferrule includes an inner insulating sleeve, a connecting key, an outer insulating sleeve and a metal ferrule, and the inner insulating sleeve is connected by connecting The key is fixed inside the outer insulating sleeve, the metal ferrule is embedded inside the inner insulating sleeve; the electric switch is set inside the handle; the lighting lamp is embedded outside the connecting sleeve; the operation indication The lamp is connected to the electric drive device by wires.

The outer insulating sleeve or the inner insulating sleeve is made of epoxy resin fiber plastic sleeve with a thickness of 2 mm to 4 mm, which is beneficial to improve the insulation level and ensure the safety and reliability of live operation.

The extension tube is an engineering plastic tube with a length of 10 cm to 25 cm; the wall thickness of the extension tube is 2 mm to 4 mm; To ensure the support rigidity, improve the length adjustment according to the work requirements, and improve the adaptability of the equipment.

The handle adopts two polycarbonate engineering plastic rods with a length of 10 centimeters, which has excellent insulation, high mechanical strength, and is easy to operate with both hands. It is convenient and convenient to operate, improves work efficiency, and ensures safety.

The electric motor is connected to the battery through the terminal; the electric motor drives the joystick through the engagement of the transmission gear and the driven gear, which is beneficial to realize electric fastening of bolts, improves work efficiency, saves time and effort, and improves work efficiency.

The lighting lamp adopts 2 to 4 LED lamp beads; the lighting lamp is connected to the battery through wires, which is conducive to nighttime construction, improves the use function, and improves the utilization rate of equipment.

The insulating sleeve adopts a polycarbonate engineering plastic tube with a length of 30 cm to 40 cm, which is conducive to protecting internal equipment, improving insulation, and ensuring work safety.

The card slot is arranged on the outside of the quick-connect joint; the card slot adopts a V-shaped groove with a depth of 2 mm to 5 mm, which is conducive to quick replacement of the nut ferrule and improves work efficiency.

The connecting key adopts a cylindrical body with an elliptical cross section, which is beneficial to prevent equipment from being damaged due to excessive torque, and is safe to use and prolongs the service life.

The claw adopts C-shaped engineering plastic plate; the inside of the claw is equipped with connecting wires, which is conducive to the rapid loading and unloading of the motor and battery, improves work efficiency, is easy to carry, and expands the scope of use.

Compared with the prior art, the present invention has the following beneficial effects: a live fastening device for electric substation equipment bolts of the present invention is widely used in the technical field of electric substation equipment. Simultaneously, the beneficial effects of the present invention are:

1. The setting of the extension tube of the present invention is beneficial to bear the radial torque, ensure the support rigidity, improve the length adjustment according to the work requirements, and improve the adaptability of the equipment.

2. The arrangement of the nut ferrule of the present invention is conducive to improving the insulation level and ensuring the safety and reliability of live operation.

3. The arrangement of the claws of the present invention improves work efficiency, is convenient to carry, and expands the scope of use.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the driving device of the present invention.

Fig. 3 is a schematic structural diagram of the ferrule of the present invention.

Fig. 4 is a structural schematic diagram of the joystick of the present invention.

In the picture:

1-handle, 2-insulating sleeve, 3-claw, 31-terminal, 4-electric drive device, 41-electric motor, 42-battery, 43-transmission gear, 44-transmission shaft, 5-connection sleeve, 6 -nut ferrule, 61-inner insulating sleeve, 62-connection key, 63-outer insulating sleeve, 64-metal ferrule, 7-tightening ring, 8-extension tube, 9-quick connector, 10-card slot, 11-joystick, 111-square shaft, 112-driven gear, 12-electric switch, 13-lighting lamp, 14-running indicator light.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

Example:

As shown in Figure 1 to Figure 4

The present invention provides a bolt live fastening device for substation equipment, which includes a handle 1, an insulating sleeve 2, a claw 3, an electric drive device 4, a connecting sleeve 5, a nut ferrule 6, a tightening ring 7, an extension tube 8, Quick connector 9, card slot 10, joystick 11, electric switch 12, lighting lamp 13 and running indicator light 14, the handle 1 is installed on the lower part of the insulating sleeve 2; 3 is installed in the middle of the insulating sleeve 2; the claw 3 includes a terminal 31, and the terminal 31 is arranged inside the claw 3; the upper part of the connecting sleeve 5 is installed with a tightening ring 7; the The nut ferrule 6 is fixed on the upper part of the quick-connect joint 9 through the slot 10; the extension tube 8 is connected to the insulating sleeve 2 and the quick-connect joint 9; the joystick 11 includes a square shaft 111 and a driven Gear 112, described square shaft 111 is arranged on the top of joystick 11; Described driven gear 112 is installed in the middle part of joystick 11; Described electric driving device 4 comprises motor 41, battery 42, transmission gear 43 and The transmission shaft 44, the motor 41 or the battery 42 are fixedly installed on both sides of the middle part of the insulating sleeve 2 through the claws; the transmission gear 43 is installed on the top of the transmission shaft 44, and the transmission gear 43 is connected between the motor 41 and the Between the driven gears 112; the tightening ring 7 includes a hoop ring 71, and the hoop ring 71 is sleeved on the outside of the square shaft 111; the nut ferrule 6 includes an inner insulating sleeve 61, and the connecting key 62, the outer insulating sleeve 63 and the metal ferrule 64, the inner insulating sheath 61 is fixed inside the outer insulating sheath 63 through the connecting key 62, and the said metal ferrule 64 is embedded in the inner insulating sheath 61; said The electric switch 12 is arranged on the inside of the handle 1; the lighting lamp 13 is inlaid on the outside of the connecting sleeve 5; the running indicator light 14 is connected with the electric driving device 4 through wires.

The outer insulating sheath 63 or the inner insulating sheath 61 is made of epoxy resin fiber plastic sheath with a thickness of 2 mm to 4 mm, which is conducive to improving the insulation level and ensuring the safety and reliability of live operation.

The extension tube 8 is an engineering plastic tube with a length of 10 cm to 25 cm; the wall thickness of the extension tube 8 is 2 mm to 4 mm; the extension tube 8 is connected to the joystick 11 through a hoop ring 71 , which is beneficial to bear the radial torque, ensure the support rigidity, improve the length adjustment according to the work requirements, and improve the adaptability of the equipment.

The handle 1 adopts two polycarbonate engineering plastic rods with a length of 10 centimeters, which has excellent insulation, high mechanical strength, and is convenient to operate with both hands. It is convenient and convenient to operate, improves work efficiency, and ensures safety.

The electric motor 41 is connected to the battery 42 through the connection terminal 31; the electric motor 41 drives the joystick 11 through the meshing transmission of the transmission gear 43 and the driven gear 112, which is conducive to the realization of electric fastening bolts, improves work efficiency, and saves time and effort ,Improve work efficiency.

The lighting lamp 13 adopts 2 to 4 LED lamp beads; the lighting lamp 13 is connected with the battery 42 through wires, which is conducive to nighttime construction, improves the use function, and improves the utilization rate of equipment.

The insulating sleeve 2 adopts a polycarbonate engineering plastic tube with a length of 30 cm to 40 cm, which is conducive to protecting internal equipment, improving insulation, and ensuring work safety.

The card slot 10 is arranged on the outside of the quick-connect joint 9; the card slot 10 adopts a V-shaped groove with a depth of 2 mm to 5 mm, which is conducive to quick replacement of the nut ferrule 6 and improves work efficiency.

The connecting key 62 adopts a cylindrical body with an elliptical cross-section, which is beneficial to prevent damage to the equipment due to excessive torque, and is safe to use and prolongs the service life.

The claw 3 adopts a C-shaped engineering plastic plate; the inside of the claw 3 is provided with connecting wires, which is conducive to the rapid loading and unloading of the motor 41 and the battery 42, improves work efficiency, is easy to carry, and expands the scope of use.

working principle

In the present invention, the battery 42 is connected to the motor 41, the motor 41 drives the joystick 10 to rotate through the transmission gear 43, and the joystick 10 drives the nut ferrule 6 to tighten the charged nut through the quick-connect joint 9, which is safe and reliable, and improves work efficiency.

Utilize the technical solution described in the present invention, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the present invention, and achieve the above-mentioned technical effect, all fall into the protection scope of the present invention.

Claims (10)

1. a converting equipment bolt live fastener, it is characterized in that, this converting equipment bolt live fastener comprises handle (1), insulating sleeve (2), claw (3), power-jdriven gear (4), adapter sleeve (5), nut cutting ferrule (6), screw ring (7), extension tube (8), quick union (9), draw-in groove (10), control stick (11), motor switch (12), illuminating lamp (13) and run indicator (14), described handle (1) is arranged on the bottom of insulating sleeve (2); Described power-jdriven gear (4) is arranged on the middle part of insulating sleeve (2) by claw (3); Described claw (3) comprises binding post (31), and described binding post (31) is arranged on the inner side of claw (3); The top of described adapter sleeve (5) is installed and is screwed ring (7); Described nut cutting ferrule (6) is fixed on the top of quick union (9) by draw-in groove (10); Described extension tube (8) is connected to insulating sleeve (2) and quick union (9); Described control stick (11) comprises square axis (111) and driven gear (112), and described square axis (111) is arranged on the top of control stick (11); Described driven gear (112) is arranged on the middle part of control stick (11); Described power-jdriven gear (4) comprises motor (41), battery (42), travelling gear (43) and power transmission shaft (44), and described motor (41) or battery (42) are fixedly mounted on the both sides, middle part of insulating sleeve (2) by claw; Travelling gear (43) is installed on described power transmission shaft (44) top, and described travelling gear (43) is connected between motor (41) and driven gear (112); The described ring (7) that screws comprises lock ring ring (71), and described lock ring ring (71) is enclosed within the outside of square axis (111); Described nut cutting ferrule (6) comprises interior insulation sleeve (61), connecting key (62), external insulation sleeve (63) and metal ferrule (64), described interior insulation sleeve (61) is fixed on the inside of external insulation sleeve (63) by connecting key (62), described metal ferrule (64) is embedded in the inside of interior insulation sleeve (61); Described motor switch (12) is arranged on the inner side of handle (1); Described illuminating lamp (13) is embedded in the outside of adapter sleeve (5); Described run indicator (14) is connected with power-jdriven gear (4) equipment by wire.

2. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described external insulation sleeve (63) or interior insulation sleeve (61) employing thickness are the epoxy resin fiber plastic sheath of 2 millimeters to 4 millimeters.

3. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described extension tube (8) employing length is the engineering plastics pipe of 10 centimetres to 25 centimetres; Described extension tube (8) wall thickness is 2 millimeters to 4 millimeters; Described extension tube (8) is connected with control stick (11) by lock ring ring (71).

4. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described handle (1) employing two length are the polycarbonate engineering plastic rod of 10 centimetres.

5. converting equipment bolt live fastener as claimed in claim 1, it is characterized in that, described motor (41) is connected with battery (42) by binding post (31); Described motor (41) drives control stick (11) by travelling gear (43) and driven gear (112) engaged transmission.

6. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described illuminating lamp (13) adopts 2 to 4 LED lamp bead; Described illuminating lamp (13) is connected with battery (42) by wire.

7. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described insulating sleeve (2) employing length is the polycarbonate engineering plastic pipe of 30 centimetres to 40 centimetres.

8. converting equipment bolt live fastener as claimed in claim 1, it is characterized in that, described draw-in groove (10) is arranged on the outside of quick union (9); Described draw-in groove (10) the employing degree of depth is the V-type groove of 2 millimeters to 5 millimeters.

9. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described connecting key (62) adopts cross section to be oval cylinder.

10. converting equipment bolt live fastener as claimed in claim 1, is characterized in that, described claw (3) adopts C type engineering plastic flitch; Described claw (3) inside arranges connection wire.