CN203587747U - Porcelain insulator insulation testing device - Google Patents

Abstract

The utility model belongs to a measuring device for a high-voltage electric appliance, in particular to a porcelain insulator insulation testing device. The device also includes a first vertical pole, the first vertical pole is connected to one end of the horizontal pole through a universal ball, pulleys are arranged on both sides of the body of the horizontal pole, and the other end of the horizontal pole is connected to the second vertical pole. The straight pole is connected, and the upper and lower ends of the second vertical pole are respectively provided with an upper snap ring and a lower snap ring. The snap ring is composed of two semi-circular rings connected by springs, and one end of the semi-circular ring is connected to the second vertical pole. The rod is connected, the inner wall of the end of the semi-circular ring is provided with a measuring head, and the measuring head is connected with the shaker; the outer wall of the semi-circular ring is provided with a pin, which is connected to one end of the thread, the thread is erected on the pulley, and the other end is connected to the first vertical shaft. Take-up connection on straight pole. The utility model can quickly and effectively perform insulation test on the single-chip insulators forming the porcelain insulator string.

Description

A Porcelain Insulator Insulation Testing Device

technical field

The utility model belongs to a measuring device for a high-voltage electric appliance, in particular to a porcelain insulator insulation testing device.

Background technique

The insulator string is composed of iron caps at both ends of multiple insulators connected to each other. It is an important device for isolating live equipment. Therefore, it is particularly important to test the insulation performance of the insulator string regularly. At present, the usual method for measuring the insulation performance of porcelain insulators is: when the electrical equipment is powered off, the maintenance personnel will lift the platform to a suitable height by operating the lifting platform of the bucket arm truck, and clamp the scissor-type clips of the shaker test line on the single piece. Put the iron caps on both ends of the porcelain insulator, and then operate the lifting platform of the bucket arm truck to keep the personnel at a certain safe distance from the porcelain insulator, and then start the insulation performance test of the single-piece insulator. Then use the same steps to measure all the single-piece insulators that make up the porcelain insulator string sequentially through the lifting arm truck operating platform. There are many potential safety hazards in this operation. First, when the scissor-type clip is subjected to external force, especially when operating the bucket arm truck, it is easy to fall off by mistake, and the falling of the wire clip will accidentally injure personnel and equipment; The operation platform goes up and down frequently, and the control is slightly deviated, which is easy to cause human injury to the equipment; thirdly, the maintenance personnel directly and frequently touch the equipment to be tested, and the residual voltage on the shaker poses a safety threat to the test personnel.

Utility model content

The purpose of the utility model is to provide a porcelain insulator insulation testing device with simple structure and ingenious design. The utility model can quickly and effectively perform insulation test on the single-chip insulators forming the porcelain insulator string.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the utility model is as follows:

A porcelain insulator insulation testing device, including a shaker, the device also includes a first vertical rod, the first vertical rod is connected to one end of the horizontal rod through a universal ball, and the two sides of the horizontal rod body are A pulley is provided, the other end of the horizontal pole is connected with the second vertical pole, the upper and lower ends of the second vertical pole are respectively provided with an upper snap ring and a lower snap ring, and the upper and lower snap rings are respectively composed of two A ring composed of semi-circular rings connected by springs, one end of the semi-circular ring is connected with the second vertical pole, the inner wall of the end of the semi-circular ring is provided with a measuring head, and the measuring head is connected with the shaker; the outer wall of the semi-circular ring is provided with pins , the pin is connected with one end of the thread, the thread is erected on the pulley, and the other end is connected with the take-up device arranged on the first vertical pole.

The semi-circular rings that make up the upper and lower snap rings are connected to the second vertical pole through hinges. When working, the thread is wound up through the wire take-up device, and the thread passes through the pulley and the pin to form the upper snap ring and the lower snap ring. The semi-circular ring is pulled apart, and then the position of the horizontal strut is adjusted through the universal ball, and the opened and closed upper and lower snap rings are inserted into the umbrella skirt between two adjacent insulators, so that the upper and lower snap rings respectively Clamp the iron caps on both ends of the monolithic insulator. Then the thread is lengthened through the wire take-up device, and the two semi-circular rings that respectively form the upper and lower snap rings are combined into circular upper and lower snap rings under the tension of the spring, and the upper and lower snap rings are tightly clamped. The iron caps at both ends of the monolithic insulator make the measuring heads on the upper and lower snap rings contact the iron caps at both ends of the insulator respectively, and then the staff can measure the insulation of the monolithic insulator by shaking the meter.

Preferably, the end surface of the pulley is provided with a baffle.

The design of the baffle effectively prevents the lead from separating from the pulley during tightening and loosening.

Preferably, the first vertical pole is a telescopic pole, a locking member is provided between the extension pole and the fixed pole, and the wire take-up device is arranged on the fixed pole of the first vertical pole.

The first vertical support rod is a telescopic rod, the length of which can be adjusted, and then the length is temporarily fixed by the locking member. The telescopic rod cooperates with the rotation of the universal ball, and the staff can maintain the height of the bucket arm truck lifting platform without adjusting it. Under this condition, the contact between the measuring head and the iron caps at both ends of the monolithic insulator with different heights is realized, which improves the test efficiency. The telescopic rod, the fixed rod and the locking member are all prior art, for details, please refer to the telescopic structure of the mop handle in the prior art products.

Preferably, the second vertical support rod is a telescopic rod, and its elongated rod body is connected with the semi-circular ring forming the upper snap ring; its fixed rod is connected with the semi-circular ring forming the lower snap ring, and the second vertical The fixed rod of the support rod is connected with the horizontal support rod.

Since different types of insulators have different distances between the iron caps at both ends, the second vertical rod is designed as a telescopic rod, which can reasonably adjust the distance between the upper and lower snap rings so that it is consistent with the two ends of the single-piece insulator to be measured. Iron caps are spaced to fit, then measure. The telescoping rod type design of the second vertical pole can adopt the mature design in the prior art.

Preferably, the wire take-up device includes first and second connecting rods, one end of the first connecting rod is fixedly connected with the first vertical pole, and the other end of the first connecting rod is provided with a take-up wheel, and the take-up wheel is connected to the second The two connecting rods are connected, the second connecting rod is vertically connected with the handle, and the take-up wheel is connected with the thread.

When the take-up device wraps the thread, the handle drives the second connecting rod, indirectly drives the take-up wheel to rotate, and winds the thread on the take-up wheel, and the other end of the thread passes through the pin to drive the semicircle that forms the upper and lower snap rings. The ring overcomes the spring tension and rotates around the second vertical pole to realize the open state of the upper and lower snap rings; when the wire take-up device lengthens the thread, the handle drives the second connecting rod to indirectly drive the winding take-up wheel Reverse rotation, loosen the thread on the take-up wheel, lengthen the thread, and the semi-circular ring forming the upper and lower snap rings will rotate reversely around the second vertical pole under the action of spring tension to realize the upper and lower snap rings. closed state.

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

1) The structure is simple and the design is reasonable. The upper and lower snap rings are respectively combined and the semi-circular rings are tensioned by springs. The measuring heads on the inner walls of the upper and lower snap rings are in close contact with the iron caps at both ends of the single-piece insulator, and are not easy to detach. ;

2) The length of the first and second vertical poles of the utility model can be adjusted, and the horizontal pole connected with the first vertical pole through the universal ball realizes that the utility model can maintain the lifting platform of the bucket arm car. Under the premise that the height is not adjusted, the insulation performance of single-piece insulators of different types and heights is measured.

Description of drawings

Fig. 1 is the schematic diagram of front view of structure of the utility model;

Fig. 2 is the schematic diagram of the back test of the utility model structure;

Fig. 3 is a schematic diagram of the local structure of the closed state of the upper snap ring in the utility model;

Fig. 4 is a schematic diagram of the local structure of the upper snap ring in the open state of the utility model.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1-4, a porcelain insulator insulation testing device includes a shaker 21, and the device also includes a first vertical pole, the first vertical pole is a telescopic pole, and its extension pole 2 A locking member 3 is provided between the fixed rod 1, the fixed rod 1 of the first vertical pole is fixedly connected with one end of the first connecting rod 13, and the other end of the first connecting rod 13 is provided with a take-up wheel 14, and the take-up wheel 14 is provided with a second connecting rod 15, and the second connecting rod 15 is vertically connected with the handle 16; the extension rod 2 of the first vertical rod is connected with one end of the horizontal rod 5 through the universal ball 4, and the horizontal rod 5 rod body Upper two sides are provided with pulley 6, and the end face of pulley 6 is provided with baffle plate 17, and the other end of horizontal strut 5 is connected with the second vertical strut, and the second vertical strut is telescopic rod, and the second vertical strut The rod body of the elongated rod 7 and the semicircular ring forming the upper snap ring 9 are hinged through hinges; the fixed rod 8 of the second vertical pole and the semicircular ring forming the lower snap ring 10 are hinged through hinges to form the upper snap ring respectively 9 and the two semicircular rings of the lower snap ring 10 are connected by a spring 19, the inner wall of the end of the semicircular ring is provided with a measuring head 18, and the measuring head 18 is connected with the rocker 21 through a wire 20; the outer wall of the semicircular ring is provided with a pin 11, Pin 11 is connected with one end of thread 12, and thread 12 is erected on the pulley 6, and the other end of thread 12 is connected with take-up wheel 14.

When working, the staff should test the distance between the iron caps at both ends of the monolithic insulator as needed, and adjust the distance between the upper snap ring 9 and the lower snap ring 10 on the second vertical pole; and then test the sheet according to the position and needs of the staff The distance between the sheet insulators adjusts the length of the first vertical strut, and at the same time the angle of the horizontal strut 5 relative to the single insulator is adjusted through the universal ball 4. After the adjustment is completed, the second connecting rod 15 is driven by the handle 16, and indirectly driven to rotate around the take-up reel 14, the thread 12 is wound on the take-up reel 14, and the other end of the thread 14 passes through the pin 11 to form the upper snap ring 9 and the lower snap ring. The semi-circular ring of ring 10 overcomes spring 19 pulling force, and rotates around the second vertical strut, realizes the opened state of upper snap ring 9, lower snap ring 10, and the upper snap ring 9 and lower snap ring 10 of opening are explored. into the umbrella skirt between two adjacent insulators, so that the upper snap ring 9 and the lower snap ring 10 are respectively in contact with the iron caps at both ends of the single insulator, and then the second connecting rod 15 is driven by the handle 16 to indirectly drive the winding wire Wheel 14 counter-rotates, loosens the thread 12 on the take-up wheel 14, puts long thread 12, forms the semicircular ring of upper snap ring 9, lower snap ring 10 under spring 19 pulling force, around the second vertical support The rod reversely rotates to realize the closed state of the upper snap ring 9 and the lower snap ring 10. The upper snap ring 9 and the lower snap ring 10 firmly clamp the iron caps at both ends of the single-piece insulator, so that the measuring heads 18 on the upper snap ring 9 and the lower snap ring 10 are respectively in contact with the iron caps at both ends of the insulator, and then the staff shakes the Table 21 is sufficient for insulation measurement of single-piece insulators.

According to the above method, the staff can measure the insulation of the single-chip insulators of different heights on the porcelain insulator string without adjusting the height of the lifting platform of the bucket arm truck.

Claims (5)

1. a porcelain insulator insulated test device, comprise megger, it is characterized in that: described device also comprises the first vertical pole, the first vertical pole is connected with horizontal strut one end by multi-directional ball, on the horizontal strut body of rod, both sides are provided with pulley, the horizontal strut other end is connected with the second vertical pole, on the second vertical pole, lower two ends are respectively equipped with snap ring and lower snap ring, on, lower snap ring is respectively the annulus being comprised of two semicircular ring that connect by spring, semicircular ring one end is connected with the second vertical pole, semicircular ring inner wall of end is provided with measuring head, measuring head is connected with megger, semicircular ring outer wall is provided with pin, and pin is connected with clue one end, and clue is erected on pulley, and the other end is connected with the take-up being arranged on the first vertical pole.

2. a kind of porcelain insulator insulated test device as claimed in claim 1, is characterized in that: the end face of described pulley is provided with baffle plate.

3. a kind of porcelain insulator insulated test device as claimed in claim 1, is characterized in that: the first described vertical pole is expansion link, between its extension rod and fixed bar, is provided with locking member, and take-up is arranged on the fixed bar of the first vertical pole.

4. a kind of porcelain insulator insulated test device as claimed in claim 1, is characterized in that: the second described vertical pole is expansion link, and its extension rod body of rod is connected with the semicircular ring that forms upper snap ring; Its fixed bar is connected with the semicircular ring that forms lower snap ring, and the fixed bar of the second vertical pole is connected with horizontal strut.

5. a kind of porcelain insulator insulated test device as described in claim 1 or 3, it is characterized in that: described take-up comprises first, second connecting rod, first connecting rod one end is fixedly connected with the first vertical pole, the first connecting rod other end is provided with take-up reel, take-up reel is connected with second connecting rod, second connecting rod is connected with handle is vertical, and take-up reel is connected with clue.

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