Suspension insulator capable of being replaced in live-line mode

Abstract

The utility model relates to the technical field of insulators, and discloses a suspension insulator capable of being replaced in an electrified manner, which comprises an insulator body, and a dismounting and replacing assembly is arranged at the bottom of the insulator body. According to the suspension insulator capable of being replaced in an electrified mode, the bolt is pressed down, the connecting rod is pulled out, the connecting block slides, connection between the connecting block and the connecting groove is eliminated, at the moment, the insulator needing to be replaced can be taken down, a circuit does not need to be cut off, the problems of production interruption and the like caused by power failure are avoided, and the time and cost for replacing the insulator are reduced; the insulator body or the steel foot can be replaced by pressing down the other group of bolts and pulling out the other group of connecting rods, so that when the steel foot or the insulator body is damaged, parts can be independently replaced, the flexibility of the device is improved, through the design of the bolts and the connecting rods, workers can also rapidly replace the parts without tools, and the working efficiency is improved. The working efficiency is improved, and the sliding groove and the guide block are prevented from deviating or misplacing when the insulator is replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to insulator technical field, concretely is a kind of live replacement suspension insulator. BACKGROUND

[0002] Porcelain insulator is an insulating device made of electrical porcelain, used to support and fix the busbar and live conductor, and provide sufficient distance and insulation between live conductors or between conductor and ground, the main function of porcelain insulator is to isolate live wire from bracket or power equipment through its insulating properties and structural strength, to ensure the safe operation of power system.

[0003] According to a kind of suspension porcelain insulator with foot body quick replacement structure (publicity No. CN114783700A), the top of the insulator body in the above application is provided with a cap body, the bottom of the foot body is passed through the insulator body and is provided with a connecting table, a through hole is arranged in the connecting table, a plug rod is arranged in the foot body at the upper end of the insulator body, a nut is arranged on one side of the plug rod and passes through the cap body, and a fixing nut is arranged on the other side of the plug rod and passes through the cap body, a connecting groove is arranged on the top of the cap body at the upper end of the foot body, a shock-absorbing spring is arranged in the connecting groove, and a clamping block is arranged on the other side of the shock-absorbing spring.

[0004] The above-mentioned insulator improves the flexibility of the insulator by replaceable steel feet, but when replacing the steel feet or the insulator body, the circuit needs to be cut off first, which will cause the related devices or systems to stop running, affecting production, service or other activities. In view of this, we propose a live replacement suspension insulator. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a live replacement suspension insulator to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a live replacement suspension insulator, comprising an insulator body, a dismounting and replacing assembly is arranged at the bottom of the insulator body, and the dismounting and replacing assembly comprises:

[0007] A connecting block is in abutment with the bottom of the insulator body, a steel foot is fixedly connected to the top of the connecting block, the steel foot is sleeved with the insulator body, a steel cap is inserted into the steel foot, and a connecting groove is formed in the top end surface of the steel cap;

[0008] A connecting rod is inserted into the side wall of the steel cap, a clamping block is hinged to the side wall of the connecting rod, and a spring one is fixedly connected to the side of the clamping block close to the connecting rod.

[0009] A pin is inserted into the side wall of a steel cap, a limiting piece is fixedly connected to the side wall of the pin, and a spring is sleeved on the side wall of the pin.

[0010] Connecting frame one, the side wall of the steel cap is fitted with connecting frame one, the end of connecting frame one away from the steel cap is fixedly connected with a threaded rod, the threaded rod is threadedly connected to a threaded sleeve, the threaded sleeve is fitted with connecting frame two, and connecting frame two is fitted with the insulator body.

[0011] Preferably, the side wall of the connecting block is provided with a sliding groove, and a guide block is fixedly connected in the connecting groove.

[0012] Preferably, a gasket is fixedly connected inside the steel cap, one end of the second spring is fixedly connected to the limiting plate, and the other end of the second spring is fixedly connected to the gasket. Pushing the pin causes the pin to push the locking block to reset, thereby allowing the connecting rod to be pulled out.

[0013] Preferably, the number of limiting pieces is set to two sets, and the two sets of limiting pieces are connected by a fixed spring.

[0014] Preferably, there are two sets of connecting rods and pins. One set of connecting rods is inserted into the steel foot, and the other set of connecting rods is inserted into the connecting block. Pulling out the connecting rods allows for the replacement of the insulator body or the steel foot, improving the flexibility of the device.

[0015] Preferably, the connecting block is slidably connected to the connecting groove, and the groove is slidably connected to the guide block, thereby connecting the insulator bodies together in series.

[0016] Compared with the prior art, this utility model provides a suspension insulator that can be replaced under energized conditions, which has the following advantages:

[0017] 1. This live-line replaceable suspension insulator, through the connection frame one, connection frame two, connecting rod, and pin, allows for easy replacement. By pressing the pin, pulling out the connecting rod, and sliding the connecting block to disconnect it from the connecting slot, the insulator to be replaced can be removed without cutting off the circuit, thus avoiding production interruptions caused by power outages and reducing the time and cost of insulator replacement. Pressing another set of pins and pulling out another set of connecting rods allows for the replacement of the insulator body or steel foot. This enables individual replacement of damaged parts, improving the flexibility of the device. The design of the pins and connecting rods allows workers to quickly replace insulators even without tools, improving work efficiency.

[0018] 2. This suspension insulator that can be replaced while energized, through the setting of sliding grooves and guide blocks, ensures that the connecting block moves along the correct track when replacing the insulator, avoiding unnecessary offset or misalignment, ensuring the accuracy and stability of the replacement operation, while increasing the connection stability between the steel cap and the connecting block, reducing the possibility of displacement or detachment under vibration or external force. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0020] Figure 2 This is a schematic diagram of the connecting frame structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the insulator body structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the insulator body of this utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the steel cap of this utility model;

[0024] Figure 6 This utility model Figure 5 Schematic diagram of the structure of region A in the middle.

[0025] In the diagram: 1. Insulator body; 2. Connecting block; 3. Slide groove; 4. Steel foot; 5. Steel cap; 6. Guide block; 7. Connecting rod; 8. Spring 1; 9. Locking block; 10. Pin; 11. Limiting plate; 12. Spring 2; 13. Connecting frame 1; 14. Threaded rod; 15. Threaded sleeve; 16. Connecting frame 2. Detailed Implementation

[0026] like Figures 1-6 As shown, this utility model provides a technical solution: a suspension insulator that can be replaced while energized, including an insulator body 1. The bottom of the insulator body 1 is provided with a replacement assembly, which includes a connecting block 2, a sliding groove 3, a steel foot 4, a steel cap 5, a guide block 6, a connecting rod 7, a first spring 8, a locking block 9, a pin 10, a limiting piece 11, a second spring 12, a first connecting frame 13, a threaded rod 14, a threaded sleeve 15, and a second connecting frame 16.

[0027] In one embodiment of this utility model, the connecting block 2 abuts against the bottom of the insulator body 1, and a steel foot 4 is fixedly connected to the top of the connecting block 2. The steel foot 4 is sleeved with the insulator body 1, and a steel cap 5 is inserted into the steel foot 4. A connecting groove is opened on the top end face of the steel cap 5, and a sliding groove 3 is opened on the side wall of the connecting block 2. A guide block 6 is fixedly connected in the connecting groove. The connecting block 2 is slidably connected to the connecting groove, and the sliding groove 3 is slidably connected to the guide block 6, thereby connecting the insulator bodies 1 together in series.

[0028] The connecting rod 7 is inserted into the side wall of the steel cap 5. A locking block 9 is hinged to the side wall of the connecting rod 7. A spring 8 is fixedly connected to the side of the locking block 9 near the connecting rod 7. Two sets of limiting plates 11 are provided. The two sets of limiting plates 11 are connected by the fixedly connected spring 8. The pin 10 is inserted into the side wall of the steel cap 5. A limiting plate 11 is fixedly connected to the side wall of the pin 10. A spring 12 is sleeved on the side wall of the pin 10. A washer is fixedly connected inside the steel cap 5. One end of the spring 12 is fixedly connected to the limiting plate 11, and the other end of the spring 12 is fixedly connected to the washer. Pushing the pin 10 causes the pin 10 to push the locking block 9 to reset, thereby pulling out the connecting rod 7. Two sets of connecting rods 7 and pins 10 are provided. One set of connecting rods 7 is inserted into the steel foot 4, and the other set of connecting rods 7 is inserted into the connecting block 2. Pulling out the connecting rod 7 allows the insulator body 1 or the steel foot 4 to be replaced, improving the flexibility of the device.

[0029] A connecting frame 13 is sleeved on the side wall of the steel cap 5. A threaded rod 14 is fixedly connected to the end of the connecting frame 13 away from the steel cap 5. The threaded rod 14 is threadedly connected to the threaded sleeve 15. A connecting frame 2 16 is sleeved on the threaded sleeve 15. The connecting frame 2 16 is sleeved with the insulator body 1.

[0030] Connect the first connecting bracket 13 and the second connecting bracket 16 to the two adjacent insulators that need to be replaced. Then rotate the threaded sleeve 15 to tighten the first connecting bracket 13 and the second connecting bracket 16. At this time, press down the pin 10 to push the locking block 9 towards the connecting rod 7. Then the locking block 9 is disengaged from the inner wall of the steel cap 5. Pull out the connecting rod 7 and slide the connecting block 2 to disengage it from the connecting groove. At this time, the insulator that needs to be replaced can be removed without cutting off the circuit, avoiding production interruptions caused by power outages and reducing the time and cost of replacing insulators.

[0031] By pressing down the other set of pins 10 and pulling out the other set of connecting rods 7, the insulator body 1 or the steel foot 4 can be replaced. This allows for individual replacement of parts when the steel foot 4 or the insulator body 1 is damaged, improving the flexibility of the device. At the same time, the design of the pins 10 and connecting rods 7 allows workers to quickly replace parts even without tools, improving work efficiency.

[0032] In addition, the side wall of the connecting block 2 is provided with a sliding groove 3, and a guide block 6 is fixedly connected in the connecting groove. The sliding groove 3 and the guide block 6 are slidably connected, thereby connecting the insulator body 1 together. The sliding connection between the sliding groove 3 and the guide block 6 can provide a good guiding function, ensuring that the connecting block 2 moves along the correct track when replacing the insulator, avoiding unnecessary offset or misalignment, ensuring the accuracy and stability of the replacement operation, and increasing the connection stability between the steel cap 5 and the connecting block 2, reducing the possibility of displacement or detachment under vibration or external force, and ensuring the safe and reliable operation of the insulator.

[0033] In this utility model, during use, the first connecting bracket 13 is connected to the upper adjacent insulator of the insulator to be replaced, and the second connecting bracket 16 is connected to the lower adjacent insulator of the insulator to be replaced. The threaded sleeve 15 is rotated to tighten the first connecting bracket 13 and the second connecting bracket 16. The pin 10 is pressed down to push the locking block 9 to move towards the connecting rod 7. Then the connecting rod 7 is pulled out, and the connecting block 2 is disconnected from the connecting groove, thus realizing the replacement of the insulator.

[0034] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A chargeable replaceable suspension insulator comprising an insulator body (1), characterized in that: The bottom of the insulator body (1) is provided with a replacement assembly, the replacement assembly comprises: The connecting block (2) is in abutment with the bottom of the insulator body (1), the top of the connecting block (2) is fixedly connected with a steel foot (4), the steel foot (4) is sleeved with the insulator body (1), the steel foot (4) is inserted with a steel cap (5), and the top end face of the steel cap (5) is provided with a connecting groove; The connecting rod (7) is inserted in the side wall of the steel cap (5), the side wall of the connecting rod (7) is hinged with a clamping block (9), and the side of the clamping block (9) close to the connecting rod (7) is fixedly connected with a spring (8); The latch (10) is inserted in the side wall of the steel cap (5), the side wall of the latch (10) is fixedly connected with a limiting sheet (11), and the side wall of the latch (10) is sleeved with a spring (12); The side wall of the steel cap (5) is sleeved with a connecting frame (13), one end of the connecting frame (13) away from the steel cap (5) is fixedly connected with a threaded rod (14), the threaded rod (14) is threadedly connected with a threaded sleeve (15), the threaded sleeve (15) is sleeved with a connecting frame (16), and the connecting frame (16) is sleeved with the insulator body (1).

2. A chargeable replaceable suspension insulator according to claim 1, characterized in that: The side wall of the connecting block (2) is provided with a sliding groove (3), and the connecting groove is fixedly connected with a guide block (6).

3. A chargeable replaceable suspension insulator according to claim 1, characterized in that: The inside of the steel cap (5) is fixedly connected with a gasket, one end of the spring (12) is fixedly connected with the limiting sheet (11), and the other end of the spring (12) is fixedly connected with the gasket.

4. An electrically chargeable replaceable suspension insulator according to claim 1, characterized in that: The number of the limiting sheet (11) is provided with two groups, and the two groups of limiting sheets (11) are connected through the fixedly connected spring (8).

5. An electrically chargeable replaceable suspension insulator according to claim 1, characterized in that: The number of the connecting rod (7) and the latch (10) is provided with two groups, one group of the connecting rod (7) is inserted with the steel foot (4), and the other group of the connecting rod (7) is inserted with the connecting block (2).

6. An electrically chargeable replaceable suspension insulator according to claim 2, characterized in that: The connecting block (2) is in sliding connection with the connecting groove, and the sliding groove (3) is in sliding connection with the guide block (6).

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