CN107833706A - A kind of emergent insulator - Google Patents

Abstract

The invention relates to an emergency insulator, which comprises an insulating rod and locking devices and coupling devices respectively arranged at both ends of the insulating rod. Describe the bolt rod in the inverted U-shaped frame, one end of the bolt rod is located in the inverted U-shaped frame, the bolt rod passes through the side wall of the inverted U-shaped frame, and the side wall is provided with a A suitable screw hole is provided, and the other end of the bolt rod is arranged on the insulating rod. By adopting the emergency insulator of the present invention, the operating personnel reduce the working insulation and shielding procedures, improve the working efficiency, reduce the frequent switching of the working personnel between the positions of the charged body and the grounding body, and further reduce the safety risk of the operation.

Description

an emergency insulator

technical field

The invention relates to power equipment, in particular to an emergency insulator.

Background technique

At present, the traditional working method of live replacement of pin insulators adopts the operation method of insulating blanket + cross-arm shielding cover, that is, the wires removed from the defective pin-type insulator are placed on the shielded cross-arm shielding cover. Although it is safe and reliable, there are many insulation and shielding procedures that operators need to carry out. Frequent installation and removal of insulation and shielding will lead to long working time, excessive physical exertion of personnel, and operators are constantly switching between the charged body and the grounding body. , which increases the safety risk of the operation.

Therefore, it is necessary to develop an emergency insulator with a new structure that is convenient for insulation and shielding.

Contents of the invention

The technical problem to be solved by the present invention is to provide an emergency insulator, which can greatly reduce the intensity of the working insulation and shielding process.

In order to achieve the above object, the present invention includes an insulating rod and a locking device and a coupling device respectively arranged at both ends of the insulating rod, the locking device is a hollow ring, and the coupling device includes an inverted U-shaped card frame and a The bolt rod in the U-shaped frame, one end of the bolt rod is located in the inverted U-shaped frame, the bolt rod passes through the side wall of the inverted U-shaped frame, and the side wall is provided with a screw holes, and the other end of the bolt rod is arranged on the insulating rod.

Further, the locking device includes a first ring and a second ring which are hinged together, a pull rod is arranged on the second ring, one end of the pull rod is hinged on the second ring, and the pull rod A snap ring is provided in the middle, and a clip slot matching the snap ring is provided on a part of the circular ring.

Further, the outer surface of the insulating rod is provided with an epoxy resin insulating layer.

Further, the end of one end of the bolt rod located in the inverted U-shaped frame is a baffle.

Further, one side of the inverted U-shaped clamping frame is provided with the bolt rod, and the other side of the inverted U-shaped clamping frame is provided with a clamping plate.

Further, the clamping plate is slidably arranged on the top frame of the U-shaped clamping frame, the clamping plate and the U-shaped clamping frame are in clearance fit, and the top of the clamping plate is provided with a positioning device.

Further, the positioning device is a positioning bolt, and the positioning bolt penetrates through the upper part of the clamping plate.

Further, one end of the positioning bolt is located outside the clamping plate, and the other end of the positioning bolt is located between the clamping plate and the U-shaped clamping frame.

The positive effect of the present invention is as follows:

Due to the use of the emergency insulator of the present invention, the operating personnel reduce the working insulation and shielding process, improve the working efficiency, reduce the frequent switching between the charged body and the grounding body, and further reduce the safety risk of the operation.

The invention has the advantages of simple structure, convenient operation, flexible structure, wide application range and the significance of large-scale popularization.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the structural representation of positioning bolt of the present invention;

In the accompanying drawings, 1 insulating rod, 2 locking device, 2-1 one ring, 2-2 two rings, 2-3 pull rod, 2-4 clasp, 2-5 card slot, 3 coupling device, 3 -1 inverted U-shaped card frame, 3-2 bolt rod, 3-3 clamp plate, 3-3-1 positioning bolt, 3-4 baffle plate.

Detailed ways

The scheme of the present invention will be further described and explained below in conjunction with the accompanying drawings.

As shown in Figures 1-2, the present invention includes an insulating rod 1, a locking device 2 and a coupling device 3 respectively arranged at both ends of the insulating rod 1, the locking device 2 is used for fixing electric wires, and the coupling device 3 is used for fixing the cross arm.

The locking device 2 is a hollow ring through which electric wires can pass and be fixed. The coupling device 3 includes an inverted U-shaped clamping frame 3-1 and a bolt rod 3-2 arranged in the inverted U-shaped clamping frame 3-1, and one end of the bolt rod 3-2 is located in the inverted U-shaped clamping frame 3-1, the bolt rod 3-2 passes through the side wall of the inverted U-shaped frame 3-1, and the side wall is provided with a screw hole matching the bolt rod 3-2, and the bolt rod 3-2 The other end is set on the insulating rod 1, and the relative position between the bolt rod 3-2 and the U-shaped clamp frame 3-1 is adjusted by rotating the bolt rod 3-2 during use, and the cross arm is fixed on the bolt rod 3-2 and the U-shaped clamp frame. between boxes 3-1.

Further, the locking device 2 includes a first ring 2-1 and a second ring 2-2 which are hinged together, and a pull rod 2-3 is arranged on the second ring 2-2, and the pull rod One end of 2-3 is hinged on the second part 2-2 of the ring, the middle part of the pull rod 2-3 is hinged with a snap ring 2-4, and the first part of the ring 2-1 is provided with a -4 compatible card slots 2-5. When in use, open the ring one 2-1 and the ring two 2-2,

Fix the electric wire to be fixed between the first part 2-1 of the ring and the second part 2-2 of the ring, then put the snap ring 2-4 on the slot 2-5, then turn the pull rod 2-3 to place the ring Ring one 2-1 and ring two 2-2 are fixed tightly.

Further, the outer surface of the insulating rod 1 is provided with an epoxy resin insulating layer. In this way, the insulation rod 1 can not be covered in subsequent operations, reducing the time and work intensity of the insulation shielding process.

Further, one end of the bolt rod 3-2 is a baffle 3-4, and the baffle 3-4 is located in the inverted U-shaped frame 3-1. The design of the baffle plate 3-4 increases the contact area between the bolt rod 3-2 and the cross arm, which can better fix the cross arm.

Further, one side of the inverted U-shaped clamping frame 3-1 is provided with the bolt rod 3-2, and the other side of the inverted U-shaped clamping frame 3-1 is provided with a clamping plate 3-3, and the clamping plate 3- 3 and the gap formed between the inverted U-shaped card frame 3-1 inner wall on one side adjacent to the clamp plate 3-3 can clamp the wires and play the role of fixing the wires.

Further, the clamping plate 3-3 is slidably arranged on the top frame of the U-shaped clamping frame 3-1, the clamping plate 3-3 and the U-shaped clamping frame 3-1 are in clearance fit, and the clamping plate The top of 3-3 is provided with a positioning device, and the clamping plate 3-3 can slide on the top of the U-shaped clamping frame 3-1, thereby changing the distance between the clamping plate 3-3 and the inner wall of the U-shaped clamping frame 3-1, and the positioning device plays a role. The function of positioning and fixing the clamping plate 3-3.

Further, the positioning device is a positioning bolt 3-3-1, and the positioning bolt 3-3-1 penetrates through the upper part of the clamping plate 3-3.

Further, one end of the positioning bolt 3-3-1 is located outside the clamping plate 3-3, and the other end of the positioning bolt 3-3-1 is located between the clamping plate 3-3 and the U-shaped clamping frame 3-1. As shown in Figure 2, the other end of the positioning bolt 3-3-1 is located in the gap between the bottom of the card plate 3-3 and the top of the U-shaped frame 3-1, and screwed down into the positioning bolt 3-3- 1 Under the action of pressure, the clamping plate 3-3 can be fixed, and when it is necessary to move the clamping plate 3-3, just unscrew the positioning bolt 3-3-1, so that the clamping plate can be adjusted conveniently as shown in Figure 2 The distance between 3-3 and the left side wall of the U-shaped card frame 3-1 can be adjusted according to the actual wire or the width of the cross arm, the structure is flexible, and the scope of application is wide.

When the present invention is applied, the operation process is briefly described as follows: (1) The operator first insulates and shields the wires, and then installs a wire shielding cover.

(2) After confirming that the shielding of the wires is complete, use an insulating blanket to shield the defective insulator.

(3) Install the emergency insulator of the present invention on the cross arm, untie the wire from the fault insulator, and transfer it to the emergency insulator of the present invention.

(4) The operator removes the faulty defective insulator, replaces it with a new insulator, transfers the wire back to the newly installed insulator, and fixes it with a binding wire;

(5) Operators remove emergency insulators, insulation blankets, and wire shields in sequence, and the work is completed.

Through the actual operation on site and related statistics, the operating mode of the emergency insulator of the present invention will be used for related statistics with the traditional insulation shielding method and suspension method. The statistical results are as follows:

(1) Due to the adoption of the emergency insulator of the present invention, the operating personnel have reduced the working insulation and shielding process, reduced the working time from the original 62 minutes to the current 35 minutes, and improved the working efficiency.

(2) By adopting the auxiliary operation mode of the emergency insulator of the present invention, the operators reduce the insulation and shielding links, avoid the continuous repetition of insulation and shielding, reduce the frequent switching between the charged body and the grounding body, and improve the safety of the operation. The risk is further reduced.

(3) The present invention has the advantages of simple structure, convenient operation, flexible structure, wide application range, and the significance of large-scale promotion.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An emergency insulator, characterized in that it includes an insulating rod (1) and a locking device (2) and a coupling device (3) respectively arranged at both ends of the insulating rod (1), and the locking device (2) is hollow ring, the coupling device (3) includes an inverted U-shaped clamping frame (3-1) and a bolt rod (3-2) set in the inverted U-shaped clamping frame (3-1), the bolt One end of the rod (3-2) is located in the inverted U-shaped frame (3-1), the bolt rod (3-2) passes through the side wall of the inverted U-shaped frame (3-1), and the side wall A screw hole matching the bolt rod (3-2) is provided, and the other end of the bolt rod (3-2) is arranged on the insulating rod (1). 2. An emergency insulator according to claim 1, characterized in that: the locking device (2) comprises a ring part (2-1) and a ring part (2-2) hinged together , the second part of the ring (2-2) is provided with a pull rod (2-3), one end of the pull rod (2-3) is hinged on the second part of the ring (2-2), and the pull rod (2- 3) A snap ring (2-4) is provided in the middle part, and a clip slot (2-5) matching the snap ring (2-4) is provided on a part of the ring (2-1). 3. The emergency insulator according to claim 1, characterized in that: the outer surface of the insulating rod (1) is provided with an epoxy resin insulating layer. 4. An emergency insulator according to claim 1, characterized in that: the end of one end of the bolt rod (3-2) located in the inverted U-shaped frame (3-1) is a baffle (3- 4). 5. An emergency insulator according to claim 1, characterized in that: one side of the inverted U-shaped clamping frame (3-1) is provided with the bolt rod (3-2), and the inverted U-shaped clamping frame The other side of (3-1) is provided with a clamping plate (3-3). 6. An emergency insulator according to claim 5, characterized in that: the clamping plate (3-3) is slidably arranged on the top frame of the U-shaped clamping frame (3-1), and the clamping plate (3-3) -3) There is clearance fit between the U-shaped clamping frame (3-1), and a positioning device is provided on the top of the clamping plate (3-3). 7. An emergency insulator according to claim 6, characterized in that: the positioning device is a positioning bolt (3-3-1), and the positioning bolt (3-3-1) penetrates through the clamping plate (3 -3) the upper part. 8. An emergency insulator according to claim 7, characterized in that: one end of the positioning bolt (3-3-1) is located outside the clamping plate (3-3), and the positioning bolt (3-3-1 ) is located between the card board (3-3) and the U-shaped card frame (3-1).