CN206248690U - Combined ground resistance test device - Google Patents

Abstract

The utility model discloses a combined grounding resistance testing device, which comprises a grounding resistance tester, a grounding rod, a test line, a box body and a tool bag; The left side and the right side are equipped with pay-off reels and support frames; The wire reel and the right wire retaining reel are rotated and connected to the support frame after passing through; the box body is provided with a wire hole; The hole leads out; the tool kit is provided with an inner cavity that matches with the box and can accommodate the box, and the tool kit is provided with a through hole corresponding to the position of the wire hole; the tool bag is provided with a rod groove; the utility model is beneficial to reduce the grounding resistance test Time can effectively improve the work efficiency of transmission inspection personnel, thereby improving the efficiency of transmission line equipment inspection and improving the level of line safety operation.

Description

Combined grounding resistance test device

technical field

The utility model relates to an auxiliary tool for electric power maintenance, in particular to a combined grounding resistance testing device.

Background technique

The size of the grounding resistance of the transmission line tower directly affects the safe operation of the transmission line when it is struck by lightning. If the grounding resistance is unqualified, it may cause flashover, burns or breakdown of the insulator. In severe cases, the test line will be shielded and cause a power outage. Periodically measuring the tower grounding resistance is an important task to maintain the safe and stable operation of the line. At present, the grounding resistance testing process mainly includes inspection of tools and appliances, opening and restoring grounding stakes, arranging test lines, installing grounding rods, shaking meters, and storing test wires and grounding rods. Among them, arranging test lines and storing test lines took up 60%-70% of the time in the whole process. It is easy for the test line to be entangled, and when it is entangled, it will further prolong the unwinding time. Although there is also a reel for winding and unwinding wires at present, its structure is not suitable for the operation of measuring the grounding resistance of towers.

Therefore, there is a need for a combined ground resistance test device suitable for measuring the ground resistance of towers, which is beneficial to reduce the time for ground resistance testing, effectively improve the work efficiency of transmission inspection personnel, and then improve the efficiency of transmission line equipment inspection and improve line safety. run level.

Utility model content

In view of this, the purpose of this utility model is to provide a combined grounding resistance test device, which is beneficial to reduce the time of grounding resistance testing, effectively improve the work efficiency of transmission inspection personnel, and then improve the efficiency of transmission line equipment inspection, and improve the safe operation of the line Level.

The combined grounding resistance testing device of the present utility model comprises a grounding resistance tester, a grounding rod, a test line, a box with an upper opening and a tool bag; the middle part of the inner cavity of the box is provided with an instrument for fixing the grounding resistance tester Fixing parts, the left side and the right side of the instrument fixing parts are provided with pay-off reels and support frames for positioning the pay-off reels in the box; Disk, bobbin and central shaft, the central shaft passes through the bobbin and the two ends pass through the left wire retaining disk and the right wire retaining disk respectively, and then rotate and connect to the support frame; the box is equipped with a A wire hole for the test wire to pass through; the test wire is wound on the bobbin and one end is connected to the ground resistance tester, and the other end is drawn out from the wire hole; the tool bag is equipped with a box body and can accommodate In the inner cavity of the box body, the tool bag is provided with a through hole corresponding to the position of the wire hole; the tool bag is provided with a rod groove for placing a grounding rod.

Further, the ground rod is T-shaped.

Further, the instrument fixture is a plate-shaped structure capable of carrying a grounding resistance tester, and the instrument fixture and the bottom of the box are provided with corresponding fixing holes for fastening bolts to pass through.

Further, the support frame includes a bottom plate and a vertical plate vertically fixed to the bottom plate, and the vertical plate is provided with a bearing for supporting the central shaft.

Further, the device also includes a tool bag, the tool bag is provided with an inner cavity that fits with the box body and can accommodate the box body, and the tool bag is provided with a through hole at a position corresponding to the wire passing hole.

Further, the tool bag is provided with a handle and side pockets on both sides.

Further, the top of the tool bag is provided with an operation port for operating the ground resistance tester.

Beneficial effects of the utility model: In the combined grounding resistance testing device of the utility model, two pay-off reels and a ground resistance tester can be installed in the box at the same time. Winding will occur, and the cooperation of the two pay-off reels can effectively avoid the problem of insufficient spreading angle of the test line; the test line can be connected to the grounding resistance tester in advance, and no wiring operation is required when measuring the grounding resistance of the tower; all relevant measuring tools are integrated In the tool bag, only one tool bag needs to be carried during measurement, which can effectively improve the measurement efficiency; the utility model is conducive to reducing the grounding resistance test time, effectively improving the work efficiency of transmission inspection personnel, and further improving the efficiency of transmission line equipment inspection , Improve the level of safe operation of the line.

Description of drawings

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

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a top view of the box body of the present invention.

detailed description

Fig. 1 is a schematic structural view of the utility model, and Fig. 2 is a top view of the cabinet of the utility model, as shown in the figure: the combined grounding resistance testing device of this embodiment includes a grounding resistance tester 1, a grounding rod 2, a test Line 3, box body 4 and tool bag 5 of upper opening; The inner cavity middle part of described box body 4 is provided with the instrument fixture 6 that is used for fixing grounding resistance tester 1, and the left side and the right side of described instrument fixture 6 All are provided with a pay-off reel and a support frame for positioning the pay-off reel in the box body 4; the pay-off reel includes a left wire retaining reel 71, a right wire retaining reel 72, a bobbin 73 and a central shaft 74, The central shaft 74 passes through the bobbin 73 and the two ends pass through the left wire retaining disk 71 and the right wire retaining disk 72, respectively, and are connected to the support frame by rotation; Pass through the wire hole 4a; the test line 3 is wound on the bobbin 73 and one end is connected to the ground resistance tester 1, and the other end is drawn out from the wire hole 4a; the tool bag 5 is provided with the casing 4 Cooperate with and can accommodate the inner cavity of the box body 4, the tool bag 5 is provided with a through hole 5a corresponding to the position of the wire hole 4a; the tool bag 5 is provided with a rod groove 51 for placing the grounding rod 2; the grounding resistance test The instrument 1 can be a rocker-type structure; the grounding rod 2 can be T-shaped, and two rod grooves 51 are arranged in total, and the grounding rod 2 is inserted into the rod grooves 51 to realize positioning; the box body 4 can be made of hard leather, The processing difficulty is low, the dead weight is low, and it is convenient for later maintenance and transformation; the tool bag 5 can be made of cloth; the instrument fixing part 6 can be a plate-shaped structure that can carry the grounding resistance tester 1, and the instrument fixing part 6 and the bottom of the box body 4 There are corresponding fixing holes for passing through the fastening bolt 7, and the fastening bolt 7 can be connected with the base of the ground resistance tester 1, thereby fixing the ground resistance tester 1 in the box body 4; It can be an electric pay-off reel, a spring pay-off reel or a hand-operated pay-off reel structure, which can meet the requirements for pay-off; the support frame can include a bottom plate 81 and a vertical plate 82 vertically fixed to the bottom plate 81, and the vertical plate 82 is A bearing 83 for supporting the central shaft 74 is provided; the base plate 81 and the longitudinal plate 82 can be made of metal, wherein the base plate 81 is fixedly connected to the bottom surface of the box body 4, and the longitudinal plate 82 is welded on the base plate 81; in addition, the tool The bag 5 is also provided with a handle 52 and side pockets 53 on both sides; the top of the tool bag 5 is provided with an operation port for operating the ground resistance tester 1; with this structure, two A pay-off reel and a ground resistance tester 1, the reel is convenient for storing and spreading the test line 3, the test line 3 will not be entangled, and the cooperation of the two pay-off reels can effectively avoid the problem of insufficient spreading angle of the test line 3 ; The relevant measurement tools are all integrated in the tool bag 5, and only one tool bag 5 needs to be carried during the measurement, which can effectively improve the measurement efficiency.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (6)

1. A combined grounding resistance testing device, characterized in that: comprise a grounding resistance tester, a grounding rod, a test wire, a casing and a tool bag with an upper opening; the inner cavity middle part of the casing is provided with a The instrument fixture of the tester, the left and right sides of the instrument fixture are provided with a pay-off reel and a support frame for positioning the pay-off reel in the box; the pay-off reel includes a left wire retaining reel , the right wire retaining reel, the bobbin and the central shaft, the central shaft passes through the bobbin and the two ends pass through the left wire retaining reel and the right wire retaining reel respectively and are connected to the supporting frame by rotation; the box body There is a wire hole for the test wire to pass through; the test wire is wound on the bobbin and one end is connected to the ground resistance tester, and the other end is drawn out from the wire hole; Cooperate with and can accommodate the inner cavity of the box body, and the tool bag is provided with a through hole corresponding to the position of the wire passing hole; the tool bag is provided with a rod groove for placing a grounding rod. 2. The combined grounding resistance testing device according to claim 1, wherein the grounding rod is T-shaped. 3. The combined grounding resistance testing device according to claim 2, characterized in that: the instrument fixture is a plate-like structure capable of carrying a grounding resistance tester, and the instrument fixture and the bottom of the box are provided with corresponding Fixing holes for fastening bolts to pass through. 4 . The combined grounding resistance testing device according to claim 3 , wherein the support frame includes a bottom plate and a vertical plate vertically fixed to the bottom plate, and the vertical plate is provided with a bearing for supporting the central shaft. 5. The combined grounding resistance testing device according to claim 4, wherein the tool bag is provided with a handle and side pockets on both sides. 6 . The combined ground resistance testing device according to claim 5 , wherein an operation port for operating the ground resistance tester is provided on the top of the tool bag. 6 .