CN202648581U - Lightweight retractable insulated measuring bar - Google Patents

Abstract

A light-duty telescopic insulating measuring rod, which is used to solve the problem of live acquisition of distance (or height) data in transmission lines, which includes a measuring rod body and a hook. Continuous size scales are arranged on the outer wall of each measuring rod, and a scale centering mark and a limit locking mechanism are arranged between two adjacent measuring rods. The utility model has the characteristics of convenient portability, reliable performance, and simple operation, and can realize accurate and complete electrified collection of middle-distance data of 220kV and below transmission lines, and its measurement error is not greater than 5mm, and the field application effect is good.

Description

A light telescopic insulating measuring rod

technical field

The utility model relates to a telescopic measuring rod, in particular to a telescopic insulating measuring rod suitable for live measurement of the length (or height) of a power transmission line, and belongs to the technical field of length measuring instruments. the

Background technique

In the acceptance and operation of transmission lines, it is often necessary to collect data such as line drainage, insulator length, and wire distance while live. At present, there is no insulated measuring rod that can realize live accurate measurement and is convenient to carry. When the data is needed in the line work area, the insulating operating rod is generally used to measure, and it is marked, and then the data is measured with a meter ruler. The above operations are not only cumbersome, but also inconvenient to carry the operating rod, and the accuracy of the measurement data is also poor. the

Utility model content

The purpose of the utility model is to provide a light-duty telescopic insulating measuring rod which is convenient to carry, reliable in performance and easy to read measurement data accurately. the

Problem described in the utility model is realized with following technical scheme:

A light telescopic insulating measuring rod, which includes a measuring rod body and a pull hook. The measuring rod body is composed of a group of measuring rods that are sequentially fitted from the inside to the outside, and a continuous size scale is set on the outer wall of each measuring rod. A scale centering mark and a limit locking mechanism are arranged between two adjacent measuring rods.

The above-mentioned light-duty telescopic insulating measuring rod, the scale centering mark is composed of a lower semicircular mark arranged on the top of the outer measuring rod and an upper semicircular mark arranged at the lower part of the inner measuring rod. The semicircular logo joins to form a circular logo. the

In the above-mentioned light-duty telescopic insulating measuring rod, the limit locking mechanism includes a conical ball pin arranged at the bottom of the inner measuring rod, a compression spring, a sleeve and a limit hole at the top of the outer measuring rod, and the conical ball pin Embedded inside the compression spring, the compression spring is installed inside the sleeve, and the limiting hole is matched with the ball end of the ball-end conical pin. the

In the light-duty telescopic insulating measuring rod, the drag hook is fixedly installed on the top of the innermost measuring rod. the

For the above-mentioned light-duty telescopic insulating measuring rod, the minimum scale unit of the measuring rod is 5 mm. the

When the utility model is in use, the measuring rod can be stretched according to the measuring distance, and through the relative rotation between two adjacent measuring rods, the upper semicircular mark on the lower part of the inner measuring rod and the lower semicircular mark on the top of the outer measuring rod Splicing forms a circular mark, and then the measuring rod is locked and fixed by the limit locking mechanism between two adjacent measuring rods, and then the measurement data can be directly read through the continuous size scale. The utility model has the characteristics of convenient portability, strong bending resistance of the rod body, and simple operation. It can realize accurate and complete live collection of power transmission equipment data, and achieve the purpose of monitoring the operation quality of the equipment at any time. The application of the utility model can complete power transmission of 220kV and below The live data collection with line measurement error not greater than 5mm has good field application effect. the

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described. the

Fig. 1 is a structural diagram of the utility model;

Fig. 2 is a structural diagram of the utility model when it is in a partially stretched state;

Fig. 3 is a sectional view of the utility model;

Figure 4 is a sectional view of the utility model when it is in a partially stretched state;

Figure 5 is an enlarged view of the structure at A in Figure 2;

Fig. 6 is an enlarged view of the structure at B in Fig. 4 .

The labels in the figure are: 1. Measuring rod body, 1-1, Inner measuring rod, 1-2, Outer measuring rod, 2, Pull hook, 3, Scale centering mark, 3-1, Upper semicircular mark, 3 -2, lower semicircle logo, 4, limit locking mechanism, 4-1, limit hole, 4-2, ball-end conical pin, 4-3, compression spring, 4-4, sleeve. the

Detailed ways

Referring to Fig. 1 and Fig. 2, the utility model includes a measuring rod body 1 and a pull hook 2. The measuring rod body 1 is composed of a group of measuring rods which are sequentially fitted from the inside to the outside, and continuous dimensions are set on the outer wall of each measuring rod. For the scale, a scale centering mark 3 and a limit locking mechanism 4 are arranged between two adjacent measuring rods. the

Referring to Fig. 2 and Fig. 5, the scale alignment mark 3 of the present utility model consists of a lower semicircle mark 3-2 arranged on the top of the outer measuring rod 1-2 and an upper semicircle arranged at the bottom of the inner measuring rod 1-1. When the adjacent measuring rods on both sides are stretched in place, the upper semicircular logo 3-1 and the lower semicircular logo 3-2 are spliced to form a circular logo. the

Referring to Fig. 4 and Fig. 6, the limit locking mechanism 4 of the present invention includes a ball-tip conical pin 4-2, a compression spring 4-3, a sleeve 4-4 and the top of the outer measuring rod arranged at the bottom of the inner measuring rod. The limiting hole 4-1, the ball-end conical pin 4-2 is embedded inside the compression spring 4-3, the compression spring 4-3 is installed inside the sleeve 4-4, the limiting hole 4- 1 is matched with the ball head of the ball taper pin 4-2. the

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the drag hook 2 of the present utility model is fixedly installed on the top of the innermost measuring rod. the

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, and Fig. 6, the working principle of the utility model will be described in combination with specific embodiments: a light-duty telescopic insulating measuring rod, which adopts light-duty insulating materials, consists of six sections The measuring rod is assembled into the measuring rod body 1 in a shrinkable connection manner. The length of each measuring rod is 500mm, the maximum measuring distance of the measuring rod is 3000mm, and the minimum scale of the measuring rod is 5mm, that is, the measurement error can be controlled within the range of 5mm. The overall dimensions of the measuring rod are 600mm in length and 20mm in diameter. It is compact in shape and easy to carry. When in use, the measuring rod can be stretched according to the measuring distance, and through the relative rotation between the adjacent two measuring rods, the upper semicircular mark 3-1 at the bottom of the inner measuring rod 1-1 is connected to the lower half of the top of the outer measuring rod. The circular marks 3-2 are spliced to form a circular mark, and then the measuring rods are locked and fixed by the limit locking mechanism 4 between two adjacent measuring rods, and then the measurement data can be directly read through the continuous size scale. The utility model has the characteristics of convenient portability, strong bending resistance of the rod body, and simple operation. It can realize accurate and complete live collection of power transmission equipment data, and achieve the purpose of monitoring the operation quality of the equipment at any time. The application of the utility model can complete power transmission of 220kV and below The live data collection with line measurement error not greater than 5mm has good field application effect. the

Claims (5)

1. A light telescopic insulating measuring rod, which is characterized in that it includes a measuring rod body (1) and a pull hook (2), and the measuring rod body (1) is composed of a group of measuring rods that are sequentially set from the inside to the outside. Continuous size scales are provided on the outer wall of each measuring rod, and a scale centering mark (3) and a limit locking mechanism (4) are provided between two adjacent measuring rods. 2. A light telescopic insulating measuring rod according to claim 1, characterized in that, the scale centering mark (3) is marked by a lower semicircle ( 3-2) and the upper semicircular logo (3-1) set on the lower part of the inside measuring rod (1-1), the upper semicircular logo (3-1) and the lower semicircular logo (3-2 ) are spliced to form a circular logo. 3. A light-duty telescopic insulating measuring rod according to claim 2, characterized in that the limit locking mechanism (4) includes a ball-end conical pin (4-2) arranged at the bottom of the inner measuring rod , the compression spring (4-3), the sleeve (4-4) and the limit hole (4-1) on the top of the outer measuring rod, the ball-end conical pin (4-2) is embedded in the compression spring (4- 3) On the inside, the compression spring (4-3) is installed inside the sleeve (4-4), and the limit hole (4-1) matches the ball head of the ball taper pin (4-2). 4. A light telescopic insulating measuring rod according to claim 3, characterized in that the pull hook (2) is fixedly installed on the top of the innermost measuring rod. 5. A light telescopic insulating measuring rod according to claim 4, characterized in that the minimum scale unit on the measuring rod is 5 mm.

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