CN207339085U - A kind of insulation column for being used to replace rod insulator - Google Patents

Abstract

The utility model discloses an insulating support for replacing rod-type insulators, which comprises a cross-arm connection fixing frame, an insulating column and a wire-releasing trough frame, the lower end of the insulating column is fixedly connected to the cross-arm connection fixing frame, and the placing The wire trough frame is arranged on the upper end of the insulating column, and the wire release trough frame is provided with an anti-offline fastener to prevent the wire from falling off. The utility model relates to an insulating support used for replacing rod-type insulators. The cross-arm connection fixing frame is connected with the working cross-arm and is reliably fixed to it. Reliable fixation, the cross-arm connection fixing frame can increase the connection area with the cross-arm, making the connection between the device and the cross-arm more compact and reliable. The use of the device can effectively save working time, reduce the labor intensity of operators, and ensure the safety of operators. The invention is simple in design, easy to operate, flexible, portable, and high in applicability.

Description

An insulating post for replacing rod insulators

technical field

The utility model relates to the technical field of electric power maintenance, in particular to an insulating support for replacing rod-type insulators.

Background technique

With the construction and development of the power grid, live work has become an important means of testing, repairing and transforming power transmission and distribution equipment, and has played a very important role in the safe and reliable operation of the power system and the improvement of economic benefits. The continuous development of the level of live work, the application of advanced tools and the use of various protective products, these high-tech products not only improve the efficiency of work, but also reduce the labor intensity of operators and increase the safety of live work.

However, for live work on distribution lines, rod insulators are now more and more widely used on straight poles and towers, and more and more work is done to replace rod insulators with live electricity. However, in our work, rod insulators are replaced using The best method is to use the insulating cross-arm shield or use the small boom of the insulating bucket truck to replace it. The method currently used is more shielding, the workload is larger, and the physical exertion of the personnel during the operation is also greater. Large, there is a certain potential safety hazard for live work.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and the purpose is to provide an insulating support for replacing rod insulators, which solves the problem that the current method has more shielding, greater workload, and physical exertion of personnel during the operation. And the bigger it is, there is a certain potential safety hazard for live work.

The utility model is realized through the following technical solutions:

An insulating support for replacing rod-type insulators, including a cross-arm connection fixture, an insulating column and a wire release trough, the lower end of the insulation post is fixedly connected to the cross-arm connection fixture, and the wire release trough is set on On the upper end of the insulating column, an anti-offline fastener to prevent the wire from falling off is provided on the wire release trough.

The utility model relates to an insulating support used for replacing rod-type insulators. The cross-arm connection fixing frame is connected with the working cross-arm and is reliably fixed to it. Reliable fixation, the cross-arm connection fixture can increase the connection area with the cross-arm, making the connection between the device and the cross-arm more compact and reliable. The use of the device can effectively save working time, reduce the labor intensity of operators, and ensure the safety of operators. The invention is simple in design, easy to operate, flexible, portable, and high in applicability.

Further, the cross-arm connection and fixing frame includes a U-shaped card slot, an extrusion block and an adjusting bolt. Screw holes are provided on the bottom side of the U-shaped card slot, and the extrusion block is placed in the U-shaped card slot. The adjusting bolt is adjusted and extruded in the screw hole on the extrusion block in the U-shaped slot.

Further, the extrusion block corresponding to the adjustment bolt is provided with a limit ring sleeve, and the end of the adjustment bolt is connected to the extrusion block in a limit position by installing a limit ring.

Further, two screw holes are provided on the bottom side of the U-shaped card slot, and two sets of adjusting bolts are installed corresponding to the two screw holes.

Further, the insulating column is made of electrical ceramics.

Further, the outer surface of the insulating column is corrugated.

Further, the wire release trough is a U-shaped structure, the bottom end of the wire release chute is connected to the upper end of the insulating column, the opening of the wire release chute is upward, and the anti-off-line fastener is arranged on the wire release trough Open your mouth.

Further, the anti-off-line fastener includes an anti-off bar, one end of the anti-off bar is hinged on one side of the opening of the wire release trough frame, the other end of the anti-off bar is provided with a locking device, and the line out A bayonet is provided on the other side of the opening of the frame, and the other end of the anti-loosening rod is stuck in the bayonet and locked by a locking device. A socket is arranged in the corresponding locking bayonet of the telescopic pin.

Further, the locking device includes two telescopic pins and a pressing rod, the other end of the anti-loosening rod is provided with a pressing hole, the two sides of the pressing hole are provided with telescopic holes, and the pressing rod is arranged in the pressing hole, A return spring is provided in the pressing hole at the bottom end of the pressing rod, and two telescopic pins are correspondingly inserted in the telescopic holes respectively, and the inner ends of the two telescopic pins are connected by tension springs.

Further, the upper part of the pressing rod is a long rod, and the lower part of the pressing rod is an enlarged head.

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

The utility model relates to an insulating support used for replacing rod-type insulators. The cross-arm connection fixing frame is connected with the working cross-arm and is reliably fixed to it. Reliable fixation, the cross-arm connection fixture can increase the connection area with the cross-arm, making the connection between the device and the cross-arm more compact and reliable. The use of the device can effectively save working time, reduce the labor intensity of operators, and ensure the safety of operators. The invention is simple in design, easy to operate, flexible, portable, and high in applicability.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:

Fig. 1 is a front structural schematic diagram of an insulating support for replacing a rod insulator according to the present invention;

Fig. 2 is a side view structural schematic diagram of an insulating support for replacing rod insulators of the present invention;

Fig. 3 is a schematic diagram of the limit connection structure between the adjusting bolt and the extrusion block of the present invention;

Fig. 4 is a schematic diagram of the installation structure of the anti-offline fastener of the present invention;

Fig. 5 is a structural schematic diagram of the anti-offline fastener of the present invention;

Marks and corresponding parts names in the attached drawings:

1-Cross-arm connection and fixing frame, 2-Insulation column, 3-Wire release trough frame, 4-Anti-wire fastener, 5-U-shaped card slot, 6-Extrusion block, 7-Adjusting bolt, 8-Screw hole , 9-limiting ring sleeve, 10-limiting ring, 11-anti-off rod, 12-bayonet, 13-telescopic pin, 14-pressing rod, 15-pressing hole, 16-telescopic hole, 17-return spring, 18-tension spring, 19-jack.

Detailed ways

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 conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.

Example 1

As shown in Figure 1-2, the utility model is an insulating support for replacing rod insulators, including a cross-arm connection fixing frame 1, an insulating column 2 and a wire release trough frame 3, and the lower end of the insulating column 2 is fixedly connected to the cross-arm Connecting to the fixed frame 1, the wire-releasing trough 3 is arranged on the upper end of the insulating column 2, and the wire-releasing trough 3 is provided with an anti-offline fastener 4 to prevent the wire from falling off.

The cross-arm connection fixture 1 includes a U-shaped card slot 5, an extruding block 6 and an adjusting bolt 7, the bottom side of the U-shaped card slot 5 is provided with a screw hole 8, and the extruding block 6 is placed in the U-shaped card slot 5 Inside, the adjusting bolt 7 is extruded on the extruding block 6 in the U-shaped slot 5 by adjusting in the screw hole 8 .

The utility model relates to an insulating support used for replacing rod-type insulators. The cross-arm connection fixing frame is connected with the working cross-arm and is reliably fixed to it. Reliable fixation, the cross-arm connection fixture can increase the connection area with the cross-arm, making the connection between the device and the cross-arm more compact and reliable. The use of the device can effectively save working time, reduce the labor intensity of operators, and ensure the safety of operators. The invention is simple in design, easy to operate, flexible, portable, and high in applicability.

Example 2

As shown in Figure 3, the utility model is an insulating support for replacing rod-type insulators. On the basis of Embodiment 1, the extrusion block 6 corresponding to the adjusting bolt 7 is provided with a limit ring sleeve 9, and the adjusting bolt The 7 ends are limitedly connected with the extrusion block 6 by installing a limit ring 10 . Two screw holes 8 are provided on the bottom side of the U-shaped card slot 5 , and two sets of adjusting bolts 7 are installed corresponding to the two screw holes 8 . By setting the limit connection between the adjusting bolt and the extrusion block, the extrusion block 6 and the adjustment bolt 7 can be separated and dropped. The extrusion block 6 and the adjustment bolt 7 are connected flexibly. When the adjustment bolt 7 is turned, the extrusion block 6 will not will rotate synchronously.

Example 3

As shown in Figure 1-2, the utility model is an insulating pillar used for replacing rod insulators, and the insulating pillar 2 is made of electrical ceramics. The outer surface of the insulating column 2 is corrugated. The corrugated surface is considered from the following aspects: (1) Extending the arc creeping length can increase the arc creeping arc distance within the same effective height, and each corrugation can also play the role of blocking the arc. (2) In rainy days, it can block the flow of water, and the sewage cannot directly flow from the upper part of the insulating column 2 to the lower part, so as to avoid grounding short circuit caused by the formation of water column. (3) When the dust falls on the corrugated ceramic insulator, the distribution is uneven, so the compressive strength of the insulating column 2 is guaranteed to a certain extent.

Example 4

As shown in Figure 4-5, the utility model is an insulating support for replacing rod-type insulators. The pay-off trough 3 is a U-shaped structure. The opening of the wire trough frame 3 is upward, and the anti-off wire fastener 4 is arranged on the opening of the wire trough frame 3 .

The anti-off line fastener 4 is an anti-off bar 11, and one end of the anti-off bar 11 is hinged on the opening side of the pay-off trough frame 3, and the other end of the anti-off bar 11 is provided with a locking device, and the anti-off bar 11 is provided with a locking device. The other side of the opening of the frame 3 is provided with a bayonet 12, and the other end of the anti-loosening rod 11 is stuck in the bayonet 12 and locked by a locking device. By arranging the anti-off wire fastener 4, the live wire can be effectively prevented from falling from the wire release chute frame 3. An insertion hole 19 is provided in the bayonet socket 12 locked corresponding to the telescopic pin 13 .

The locking device comprises two telescopic pins 13 and a pressing rod 14. The other end of the anti-off rod 11 is provided with a pressing hole 15, and the two sides of the pressing hole 15 are provided with telescopic holes 16, and the pressing rod 14 is arranged on the pressing hole. In 15, back-moving spring 17 is provided in the pressing hole 15 of pressing bar 14 bottom ends, and two telescoping pins 13 are correspondingly inserted in telescoping hole 16 respectively, and two telescoping pins 13 inner ends are connected by tension spring 18. The upper part of the pressing rod 14 is a long rod, and the lower part of the pressing rod is an enlarged head.

The structural principle of the locking device is that when the push rod 14 is not pressed, since the return spring 17 is arranged below the push rod 14, the push rod 14 is pushed upward by the return spring 17, and the enlarged head of the push rod 14 is wedged between the two telescopic pins. 13, so that the two telescopic pins 13 are stretched, the telescopic pin 13 is inserted into the socket 19, and when the pressing rod 14 is pressed, the expanding head of the pressing rod 14 withdraws from between the two telescopic pins 13, and the two The telescopic pin 13 of the part retracts under the action of the tension spring 18, so that the anti-off rod 11 can be taken out from the bayonet socket 12. A coil spring is provided on the hinged shaft on one side of the opening of the frame 3, so that the anti-off rod 11 can be automatically ejected from the bayonet socket 12 by elastic force.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. An insulating post for replacing a rod-type insulator, comprising a cross-arm connection fixing frame (1), an insulating post (2) and a wire trough frame (3), characterized in that: the lower end of the insulating post (2) It is fixedly connected to the cross-arm connection fixing frame (1), the wire release trough (3) is arranged on the upper end of the insulating column (2), and the wire release trough (3) is provided with an anti-off wire to prevent the wire from falling off Fasteners (4). 2. An insulating post for replacing rod-type insulators according to claim 1, characterized in that: the cross-arm connection and fixing frame (1) includes a U-shaped card slot (5), an extrusion block (6) and the adjusting bolt (7), the bottom side of the U-shaped card slot (5) is provided with a screw hole (8), the extrusion block (6) is placed in the U-shaped card slot (5), and the adjusting bolt ( 7) Extrude on the extrusion block (6) in the U-shaped slot (5) by adjusting in the screw hole (8). 3. An insulating support for replacing rod insulators according to claim 2, characterized in that: the extrusion block (6) corresponding to the adjustment bolt (7) is provided with a limit ring (9), The end of the adjusting bolt (7) is limitedly connected with the extrusion block (6) by installing a limit ring (10). 4. An insulating post for replacing rod-type insulators according to claim 2, characterized in that two screw holes (8) are provided on the bottom side of the U-shaped slot (5), which are connected with the two screw holes. The holes (8) are correspondingly equipped with two sets of adjusting bolts (7). 5. The insulating post for replacing rod insulators according to claim 1, characterized in that: the insulating post (2) is made of electrical ceramics. 6. An insulating post for replacing rod insulators according to claim 5, characterized in that: the outer surface of the insulating post (2) is corrugated. 7. An insulating post for replacing rod insulators according to claim 1, characterized in that: the wire-releasing trough (3) is a U-shaped structure, and the bottom of the wire-releasing trough (3) It is connected to the upper end of the insulating column (2), and the opening of the wire-releasing trough (3) is upward, and the anti-offline fastener (4) is arranged on the opening of the wire-releasing trough (3). 8. An insulating post for replacing rod-type insulators according to claim 7, characterized in that: the anti-off-line fastener (4) includes an anti-off-off rod (11), and the anti-off-off rod ( 11) One end is hinged on one side of the opening of the pay-off trough (3), the other end of the anti-loosening rod (11) is provided with a locking device, and the other end of the opening of the pay-off trough (3) is provided with The bayonet socket (12), the other end of the anti-off rod (11) is locked in the bayonet socket (12) by a locking device. 9. An insulating post for replacing rod insulators according to claim 8, characterized in that: the locking device includes two telescopic pins (13) and a pressing rod (14), and the anti-loosening rod ( 11) The other end is provided with a pressing hole (15), the two sides of the pressing hole (15) are provided with telescopic holes (16), the pressing rod (14) is arranged in the pressing hole (15), and the pressing rod (14) ) is provided with a reset spring (17) in the pressing hole (15) at the bottom, and two telescopic pins (13) are correspondingly inserted in the telescopic holes (16), and the inner ends of the two telescopic pins (13) pass through the tension spring ( 18) connection, the corresponding locking bayonet socket (12) with telescoping pin (13) is provided with jack (19). 10. An insulating support for replacing rod insulators according to claim 9, characterized in that: the upper part of the pressing rod (14) is a long rod, and the lower part of the pressing rod is an enlarged head.