CN209764914U - Transmission line parameter tester - Google Patents

Abstract

The utility model relates to a power transmission line parameter tester, which comprises a limiting block, a tester body and a winding mechanism, wherein the limiting block is arranged on the lower surface of the tester body, the winding mechanism is arranged inside the tester body, a fixing belt is arranged inside the limiting block, one end of the outer surface of the fixing belt is fixedly connected with a spring A, the spring A is fixedly connected with the limiting block, the other end of the spring A is provided with a fixing bolt, one end of the outer surface of the fixing bolt is fixedly connected with a spring B, and the spring B is fixedly connected with a limiting column; through having designed the stopper of installing at the under casing lower surface and the inside fixed band of stopper be convenient for carry on spacingly to the top cap, effectually avoided the top cap to close by oneself to damage external electric wire and staff's problem, very big increase the device's security and durability.

Description

Transmission line parameter tester

Technical Field

The utility model belongs to line parameter tester field relates to a transmission line parameter tester.

Background

The line parameter tester is a high-precision tester for testing parameters of various high-voltage transmission lines in the field or in a laboratory, such as a power station, a transformer substation and the like. The instrument is an integrated structure, a frequency conversion power supply module is arranged in the instrument, and a variable frequency voltage-regulating output power supply is arranged in the instrument. The frequency can be changed into 45Hz or 55Hz, and the digital filtering technology is adopted, so that the interference of a power frequency electric field to the test is avoided, and the problem of accurate measurement under the interference of a strong electric field is fundamentally solved. Meanwhile, the device is suitable for occasions of power supply detection by the generator after all power failures occur.

The existing power transmission line parameter tester is easy to collide with a top cover in the using process, so that the power transmission line parameter tester is closed by itself, finally extrudes a connecting line, the connecting line or a data line is damaged, the subsequent use of the connecting line or the data line is influenced, a user is easy to clamp and hurt, and the user is injured.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a transmission line parameter testing appearance.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a transmission line parameter tester, includes stopper, tester body and wire winding mechanism, the lower surface at the tester body is installed to the stopper, wire winding mechanism installs the inside at the tester body, the inside of stopper is provided with the fixed band, the surface one end fixedly connected with spring A of fixed band, and spring A and stopper fixed connection, spring A's the other end is provided with the gim peg, the surface one end fixedly connected with spring B of gim peg, and spring B and spacing post fixed connection.

Preferably, the tester body includes the under casing, the upper surface of under casing is provided with the top cap, and top cap and fixed band fixed connection, the rear surface lower extreme of top cap is provided with the pivot, and the top cap rotates through the pivot with the under casing to be connected, the front surface fixed connection of under casing has the handle, the front surface upper end fixedly connected with hasp of under casing, the upper surface one side fixedly connected with terminal of under casing, the front surface of terminal is provided with the printer, and printer and under casing fixed connection, one side of printer is provided with the button, and button and under casing fixed connection, the rear surface of button is provided with the display screen, and display screen and under casing fixed connection.

Preferably, the winding mechanism comprises a winding post, the winding post is rotatably connected with the bottom box, and a fixing rod is arranged inside the winding post.

Preferably, the inside fixedly connected with baffle of stopper, baffle intermediate position department is provided with circular hole, the one end both sides of stopper all are provided with circular hole.

preferably, a circular groove is formed in the position, corresponding to one end of the fixing rod, of the bottom box.

The beneficial effects of the utility model reside in that:

(1) Through having designed the stopper of installing at the under casing lower surface and the inside fixed band of stopper be convenient for carry on spacingly to the top cap, effectually avoided the top cap to close by oneself to damage external electric wire and staff's problem, very big increase the device's security and durability.

(2) Through having designed the inside dead lever of wrapping post and the wrapping post of installing at the under casing upper surface and be convenient for twine external electric wire, very big avoided the problem that the electric wire makes things convenient for the rolling under the condition that does not use in the short time but knot easily.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the bottom case of the present invention;

FIG. 3 is a schematic view of the sectional structure of the stopper in a partial bottom view;

Fig. 4 is a schematic side view of a part of the rotating shaft of the present invention;

fig. 5 is a schematic side sectional view of the wrapping post according to the present invention;

In the figure: 1. a handle; 2. a top cover; 3. locking; 4. a bottom box; 5. a limiting block; 6. a rotating shaft; 7. a binding post; 8. a display screen; 9. a button; 10. a printer; 11. a winding post; 12. a spring A; 13. fixing belts; 14. a limiting column; 15. a fixing bolt; 16. a spring B; 17. and (5) fixing the rod.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a transmission line parameter tester, including stopper 5, tester body and winding mechanism, the lower surface at the tester body is installed to stopper 5, winding mechanism installs the inside at the tester body, the inside of stopper 5 is provided with fixed band 13, the surface one end fixedly connected with spring A12 of fixed band 13, and spring A12 and stopper 5 fixed connection, spring A12's the other end is provided with gim peg 15, the surface one end fixedly connected with spring B16 of gim peg 15, and spring B16 and spacing post 14 fixed connection.

In order to facilitate the use, in this embodiment, preferably, the tester body includes under casing 4, the upper surface of under casing 4 is provided with top cap 2, and top cap 2 and fixed band 13 fixed connection, the rear surface lower extreme of top cap 2 is provided with pivot 6, and top cap 2 and under casing 4 rotate through pivot 6 and be connected, the front surface fixed connection of under casing 4 has handle 1, the front surface upper end fixed connection of under casing 4 has hasp 3, upper surface one side fixed connection of under casing 4 has terminal 7, the front surface of terminal 7 is provided with printer 10, and printer 10 and under casing 4 fixed connection, one side of printer 10 is provided with button 9, and button 9 and under casing 4 fixed connection, the rear surface of button 9 is provided with display screen 8, and display screen 8 and under casing 4 fixed connection.

In order to facilitate winding the electric wire, in the present embodiment, preferably, the winding mechanism includes a winding post 11, and the winding post 11 is rotatably connected to the bottom case 4, and a fixing rod 17 is disposed inside the winding post 11.

For the convenience of limiting top cover 2, in this embodiment, preferably, the inside fixedly connected with baffle of limiting block 5, baffle intermediate position department is provided with circular hole, and the one end both sides of limiting block 5 all are provided with circular hole.

In order to fix the fixing rod 17, in the embodiment, it is preferable that a circular groove is formed at a position of the bottom case 4 corresponding to one end of the fixing rod 17.

The utility model discloses a theory of operation and use flow: after the device is installed, the device is placed at a designated position, then the top cover 2 is rotated and opened through the rotating shaft 6, in the process of opening the top cover 2, the fixing belt 13 becomes loose, due to the existence of the spring A12, the limiting column 14 can move towards one end, due to the existence of the spring B16, when the fixing bolt 15 moves to the hole formed at the outer side of the limiting block 5, the fixing bolt 15 can pop out, so that the limiting column 14 and the fixing belt 13 are fixed, the rotating angle of the top cover 2 is limited, the top cover 2 is prevented from being automatically closed, then the device can be normally used, when an external data line needs to be wound for a short time, the vertical winding column 11 is rotated, at the moment, the fixing rod 17 automatically falls due to gravity, so as to be inserted into a corresponding groove formed on the bottom box 4, the winding column 11 is finally fixed, and then the data line can be wound on the winding column 11, and when the device need not be used, upwards stimulate dead lever 17 for the one end of dead lever 17 is taken out from the inside of under casing 4, then rotates wrapping post 11, makes the inside of wrapping post 11 laminating income under casing 4, then presses gim peg 15, makes gim peg 15 income stopper 5's inside, can normally cover at this moment and close top cap 2.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (5)

1. the utility model provides a transmission line parameter tester, includes stopper (5), tester body and wire winding mechanism, its characterized in that: the lower surface at the tester body is installed in stopper (5), the inside at the tester body is installed to wire winding mechanism, the inside of stopper (5) is provided with fixed band (13), the surface one end fixedly connected with spring A (12) of fixed band (13), and spring A (12) and stopper (5) fixed connection, the other end of spring A (12) is provided with gim peg (15), the surface one end fixedly connected with spring B (16) of gim peg (15), and spring B (16) and spacing post (14) fixed connection.

2. The transmission line parameter tester of claim 1, characterized in that: the tester body comprises a bottom case (4), a top cover (2) is arranged on the upper surface of the bottom case (4), the top cover (2) is fixedly connected with a fixing belt (13), a rotating shaft (6) is arranged at the lower end of the rear surface of the top cover (2), the top cover (2) is rotatably connected with the bottom case (4) through the rotating shaft (6), a handle (1) is fixedly connected with the front surface of the bottom case (4), a lock catch (3) is fixedly connected with the upper end of the front surface of the bottom case (4), a binding post (7) is fixedly connected with one side of the upper surface of the bottom case (4), a printer (10) is arranged on the front surface of the binding post (7), the printer (10) is fixedly connected with the bottom case (4), a button (9) is arranged on one side of the printer (10), the button (9) is fixedly connected with the bottom case (4), a display screen (8) is arranged on the rear surface of the button, and the display screen (8) is fixedly connected with the bottom box (4).

3. The transmission line parameter tester of claim 2, characterized in that: the winding mechanism comprises a winding post (11), the winding post (11) is rotatably connected with the bottom box (4), and a fixing rod (17) is arranged inside the winding post (11).

4. the transmission line parameter tester of claim 1, characterized in that: the inside fixedly connected with baffle of stopper (5), baffle intermediate position department is provided with circular hole, the one end both sides of stopper (5) all are provided with circular hole.

5. The transmission line parameter tester of claim 2, characterized in that: and a circular groove is formed in the position, corresponding to one end of the fixing rod (17), of the bottom box (4).