CN203981720U - A kind of setting up and lightning arrester live-line test wire clamp easy to use - Google Patents

Abstract

A lightning arrester live test clamp that is convenient to set up and use, it includes a support rod, a test clamp is installed on the top of the support rod, the upper handle of the test clamp is provided with a traction rope, and the support rod is divided into an upper support rod and a lower support rod, The middle and lower part of the upper support rod is provided with a first baffle, the middle and upper part of the lower support rod is provided with a second baffle, the upper support rod is inserted into the lower support rod, a spring is arranged between the first baffle and the second baffle, and the upper The support rod and the lower support rod are respectively provided with at least 3 limit holes, and the bottom of the support rod is provided with a base. When the above structure is adopted, the whole device can be easily disassembled into upper support rod, lower support rod, and base, which can facilitate the long-distance transportation of the device, and when it is used after being transported to the destination, it can be easily assembled by simple assembly. The completion of the erection has greatly improved the efficiency of the equipment.

Description

A lightning arrester live test wire clamp that is convenient to set up and use

technical field

The utility model relates to an auxiliary equipment for electric power maintenance, in particular to a live test wire clip used for safety detection of lightning arresters. the

Background technique

The function of the arrester is to protect various electrical equipment in the power system from being damaged by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage. After a long time of use, the arrester is prone to failures caused by damp, aging and other factors. If these failures cannot be dealt with in time, it will have a great impact on the arrester, and even cause the arrester to lose the function of lightning protection. Power equipment brings great potential safety hazards, so the lightning arrester should be tested regularly.

Now when the lightning arrester is overhauled, the corresponding equipment is generally used for safe operation detection. This type of equipment mainly includes a support rod. A test clamp is installed on the top of the support rod. Pull the end of the test line clamp to control the front end of the test line clamp to clamp or loosen the lead wire of the arrester, so that it is safe and convenient for the maintenance personnel to complete the maintenance of the arrester equipment located at a high place on the ground.

The Chinese patent with the application number 201310251654.7 discloses a three-phase simultaneous detection lead wire fixture of a lightning arrester. Although the device can enable the tester to complete the detection of the lightning arrester on the ground without the operation of climbing a height, the device can be used from a When it is transported from one place to another, due to its long length and large volume, it cannot be easily transported by means of transportation such as vehicles, which brings certain difficulties to long-distance transportation; moreover, it has many components, In the process of transportation, it is easy to cause the loosening of the components, which may affect the use. the

Contents of the invention

The technical problem to be solved by the utility model is to provide a lightning arrester live test wire clip for the above-mentioned deficiencies in the prior art. On the basis of the maintenance of high-altitude arrester equipment, it is convenient for users to quickly build and disassemble, which greatly facilitates the long-distance transportation of the device.

The purpose of utility model is to realize like this:

A lightning arrester live test clamp that is convenient to set up and use, it includes a support rod, a test clamp is installed on the top of the support rod, the upper handle of the test clamp is provided with a traction rope, and the support rod is divided into an upper support rod and a lower support rod, The middle and lower part of the upper support rod is provided with a first baffle, the middle and upper part of the lower support rod is provided with a second baffle, the upper support rod is inserted into the lower support rod, a spring is arranged between the first baffle and the second baffle, and the upper The support rod and the lower support rod are respectively provided with at least 3 limit holes, and the bottom of the support rod is provided with a base.

Preferably, the upper support bar is provided with a first lug, the middle of the first lug is provided with a bar-shaped hole, the two ends of the bar-shaped hole are provided with pulleys, one end of the traction rope passes through the middle of the two pulleys, and the lower support bar The lower part is provided with a second lug, the middle part of the second lug is provided with a perforation, and the traction rope passes through the perforation.

The perforations are divided into left perforations and right perforations.

The upper support rod and the lower support rod are hollow structures, and the support rod is detachably connected to the base.

The support rod is connected with the base through threads or bolts.

Further, the base is a flat pressing plate with a triangular cross-section.

The utility model has achieved the following technical effects:

With the above structure, when in use, the ground maintenance personnel can pull the traction rope to make the test pliers clamp the lead wire of the arrester well, and then transmit the electrical signal on the lead wire of the arrester to the detection equipment through the wire, so that the arrester can be completed safely. For live detection, the support rod is divided into upper support rod and lower support rod at the same time. The upper support rod is inserted into the lower support rod. A structure with at least 3 limit holes is provided, so that the upper support rod can be compressed downward to a suitable position and the bolts can be passed through the corresponding limit holes on the upper and lower support rods to fix the length of the support rod, and can The length of the support rod is shortened very well; at the same time, the bolts inserted in the corresponding limit holes on the upper support rod and the lower support rod are taken out, and under the action of the spring force, the support rod can be extended and stretched well the length of the support rod.

The upper part of the upper support rod is provided with a first bump, the middle part of the first bump is provided with a bar-shaped hole, the two ends of the bar-shaped hole are provided with pulleys, one end of the traction rope passes through the middle of the two pulleys, and the lower part of the lower support rod is provided with a pulley. There is a second protrusion, and a perforation is provided in the middle of the second protrusion, and the traction rope passes through the perforated structure, so that no matter which angle the staff on the ground pulls the traction rope, because the traction rope passes through the middle of the two pulleys, There will be no jamming and wear of the traction rope during the pulling process, which greatly improves the service life of the entire device. By inserting the end of the traction rope through the perforation in the second protrusion and tightening it, the operation After the personnel have completed the clamping of the test clamp and the lead wire of the arrester through the traction rope and the test clamp, they can well maintain the fixed state, so that the staff does not need to use one hand all the time during the operation. Pulling the traction rope to maintain the state greatly facilitates the operation of the entire device.

Furthermore, the structure of the base is a flat platen with a triangular cross-section. After the entire device is connected to the arrester, the staff can easily step on the base with their feet to achieve the purpose of fixing the entire device. When using the device, both hands can be completely vacated for other operations, which greatly saves manpower and improves the ease of use of the entire device.

At the same time, when the above structure is adopted, the whole device can be easily disassembled into upper support rod, lower support rod, and base, which can facilitate the long-distance transportation of the device, and when it is used after being transported to the destination, it can be easily assembled by simple assembly. The installation can be completed, which greatly improves the efficiency of the equipment.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of embodiment;

Fig. 2 is a schematic structural view of the upper support rod in Fig. 1;

Fig. 3 is a schematic structural view of the lower support rod in Fig. 1;

FIG. 4 is a schematic structural view of the first bump in FIG. 1;

FIG. 5 is a schematic structural diagram of the second bump in FIG. 1 .

Detailed ways

As shown in Figure 1, a lightning arrester live test clamp that is easy to set up and use, it includes a support rod 1, a test clamp 2 is installed on the top of the support rod 1, and the upper handle 2-1 of the test clamp 2 is provided with a traction rope 3 for supporting Rod 1 is divided into upper support rod 1-1 and lower support rod 1-2, and the middle and lower part of the upper support rod is provided with a first baffle plate 4, and the middle and upper part of the lower support rod 1-2 is provided with a second baffle plate 5, and the upper support rod Inserted into the lower support bar, a spring 6 is provided between the first baffle plate 4 and the second baffle plate 5, at least 3 limit holes 10 are respectively provided on the upper support bar and the lower support bar, and the bottom of the support bar 1 is provided with base7.

The upper support rod 1-1 top is provided with the first projection 8, as shown in Figure 4, the middle part of the first projection 8 is provided with a strip hole 8-1, and the two ends of the strip hole are provided with a pulley 8-2, and the traction One end of the rope passes between the two pulleys;

As shown in FIG. 5 , a second protrusion 9 is provided on the lower part of the lower support rod 1 - 2 , and a perforation 9 - 1 is provided in the middle of the second protrusion 9 , and the traction rope 3 passes through the perforation 9 - 1 .

The perforations are divided into left perforations and right perforations.

The upper support rod 1-1 and the lower support rod 1-2 are hollow structures, and the support rod 1 is detachably connected to the base 7 .

The support rod 1 and the base 7 are connected by threads or bolts, which can facilitate the disassembly and installation of the support rod and the base.

Further, the base 7 is a flat pressing plate with a triangular cross section.

With the above structure, the following steps are used for erection and installation:

1) Put the spring 6 on the upper end of the lower support rod, make the lower end of the spring against the second baffle, and then insert the upper support rod into the lower support rod, so that the upper end of the spring is against the first baffle;

2) Adjust the length of the support rod by compressing or stretching the spring, and insert the bolts into the overlapping limit holes on the upper support rod and the lower support rod to fix the entire support rod, which can complete the erection of the entire support rod;

3) Connect the lower end of the support rod to the base through threads or bolts;

4) Connect the upper handle of the test pliers to one end of the traction rope, and the other end of the traction rope passes through the center of the two pulleys in the first bump, thus completing the erection of the entire device.

With the above structure, when using: first adjust the position and length of the whole device to adapt to the actual use, then align the pliers of the test pliers with the lead wire of the arrester, pull the bottom end of the traction rope to make the test pliers tightly clamp the arrester Then insert the end of the traction rope into the perforation of the second bump to fasten the traction rope to complete the fixation of the traction rope, and then connect the other end of the lead on the test clamp to the arrester live tester to complete the test.

Claims (6)

1. set up and lightning arrester live-line test wire clamp easy to use for one kind, it comprises support bar (1), support bar (1) top is provided with test pincers (2), the upper handgrip (2-1) of test pincers (2) is provided with traction rope (3), it is characterized in that: described support bar (1) is divided into upper support bar (1-1) and lower support bar (1-2), upper support bar middle and lower part is provided with the first baffle plate (4), lower support bar (1-2) middle and upper part is provided with second baffle (5), upper support bar inserts in lower support bar, between the first baffle plate (4) and second baffle (5), be provided with spring (6), on upper support bar and lower support bar, be respectively equipped with at least 3 spacing holes (10), support bar (1) bottom is provided with base (7).

2. according to claim 1 setting up and lightning arrester live-line test wire clamp easy to use, it is characterized in that: described upper support bar (1-1) top is provided with the first projection (8), the first projection (8) middle part is provided with bar hole (8-1), the two ends of bar hole are provided with pulley (8-2), one end of traction rope is passed in the middle of two pulleys, lower support bar (1-2) bottom is provided with the second projection (9), the second projection (9) middle part is provided with perforation (9-1), and traction rope (3) is through perforation (9-1).

3. according to claim 2 setting up and lightning arrester live-line test wire clamp easy to use, is characterized in that: described perforation is divided into left perforation and right perforation.

4. according to claim 1 setting up and lightning arrester live-line test wire clamp easy to use, is characterized in that: described upper support bar (1-1) and lower support bar (1-2) are the structure of hollow support bar (1) and detachable connection of base (7).

5. according to claim 4 setting up and lightning arrester live-line test wire clamp easy to use, is characterized in that: described support bar (1) is connected by screw thread or bolt with base (7).

6. according to setting up and lightning arrester live-line test wire clamp easy to use described in claim 4 or 5, it is characterized in that: described base (7) for cross section be leg-of-mutton flat pressing plate.