CN210773922U - A suspended height measuring instrument - Google Patents

Abstract

The utility model provides a suspended height measuring instrument, which comprises a bracket, a support table, an installation slot, an angle measurement slot, a laser range finder, a horizontal calibrator and an angle measurement device; wherein the bracket is arranged under the support table; the installation slot is opened in the The middle part of one side of the support table; the angle measurement slot is opened on one side of the support table, on the same side as the installation slot; the horizontal calibrator is set on the support table, on the other side of the installation slot; the laser range finder is installed in the installation slot; the angle The measuring device is installed in the angle measuring slot; the laser range finder and the angle measuring device are connected by a screw. The utility model can conveniently measure the suspended height of the power line under various conditions, meet the measurement accuracy requirements, ensure the safety of persons and instruments and equipment, and improve the work efficiency.

Description

A suspended height measuring instrument

technical field

The utility model relates to the field of power transmission and distribution line surveying and mapping, in particular to a suspended height measuring instrument.

Background technique

Distribution lines are an important part of the power transmission process. The safety distance of power lines is a key factor to be considered in the design of transmission lines, which is directly related to the safety of power grids, people and equipment. The common measurement method is to measure the distance with a range pole or use the theodolite and total station to measure the suspended height. Theodolites are precision optical instruments used to measure the horizontal and vertical angles of space. It is widely used in the fields of line, railway, survey and construction due to its convenient operation and low requirements on staff. When the theodolite measures the suspended height of the transmission line, it is necessary to place a tower ruler under the line, which puts forward requirements for the ground conditions of the line, especially when there are lakes, buildings, and valleys below the line, it cannot be measured.

Therefore, a suspension height measuring instrument is provided, which solves the problem that the theodolite cannot be used to measure the suspension height of a line under harsh terrain, and improves work efficiency, which is an urgent problem for those skilled in the art to solve.

Utility model content

Based on at least one of the above-mentioned technical problems, the utility model can conveniently measure the suspended height of power lines in various situations, meet the measurement accuracy requirements, ensure the safety of persons and equipment, and improve work efficiency.

In view of this, the utility model proposes a suspended height measuring instrument, which includes a bracket, a support table, an installation groove, an angle measuring groove, a laser range finder, a horizontal calibrator and an angle measuring device;

The bracket is arranged under the support table; the installation slot is opened in the middle of one side of the support table; the angle measurement slot is opened on one side of the support table, on the same side as the installation slot; the horizontal calibrator is arranged on the support table, on the other side of the installation slot ; The laser range finder is installed in the installation slot; the angle measurer is installed in the angle measurement slot; the laser range finder and the angle measurer are connected by screws.

In the utility model, the laser range finder is installed in the installation slot, the angle measurer is installed in the angle measurement slot, the laser range finder and the angle measurer are connected by a screw, and the horizontal calibrator makes the laser range finder start to measure. In the horizontal position, when the measurement is required, when the laser range finder rotates, the angle measuring device rotates with the screw. When measuring, the laser range finder emits laser light to the measured object, and the level of the measured object to the measuring device can be measured. The laser probe can irradiate the target position on the upper and lower parts of the measured object; and the angle measurer can measure the elevation angle and depression angle and then calculate the height of the measured object.

Preferably, the bracket is a triangular bracket, which is arranged below the support table, can be telescopically adjusted in height, and can be opened and closed to adjust the degree of opening and closing support.

Further, one side of the laser range finder is connected to the bottom of the installation slot through a rotating head; both sides of the laser range finder are movably connected to both sides of the installation slot through a screw.

In the utility model, one side of the laser range finder is connected with the bottom of the installation slot through the rotating head, which ensures the stability of the laser range finder, and at the same time enables the laser range finder to rotate up and down, and the rotation angle ranges from -90° to 90°. .

Further, the angle measuring device includes a protractor and a pointer; wherein the protractor is fixed in the angle measuring groove; the pointer is sleeved on the screw rod and rotates with the screw rod.

In the utility model, the laser range finder and the protractor are coaxial with the screw to ensure the accurate measurement angle.

Further, two angle measuring devices are symmetrically arranged on both sides of the laser rangefinder respectively.

In the utility model, the setting of the two angle measuring devices can facilitate reading.

Through the above technical solutions, the utility model provides a suspended height measuring instrument, which can conveniently measure the suspended height of power lines in various situations, meet the measurement accuracy requirements, ensure the safety of persons and equipment, and improve work efficiency.

Description of drawings

FIG. 1 shows a schematic structural diagram of the suspended height measuring instrument of the present invention.

FIG. 2 shows a schematic view of the structure of the angle measuring device of the present invention.

Among them, in the figure 1 is the bracket, 2 is the support table, 3 is the installation slot, 4 is the angle measuring slot, 5 is the laser range finder, 6 is the horizontal calibrator, 7 is the angle measurer, 8 is the rotating head, and 9 is the Protractor, 10 is the pointer, 11 is the screw.

Detailed ways

In order to be able to understand the above-mentioned objects, features and advantages of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the following Limitations of the specific embodiments disclosed.

The utility model provides a suspended height measuring instrument, which can conveniently measure the suspended height of power lines under various circumstances, meet the requirements of measurement accuracy, ensure the safety of persons and equipment, and improve work efficiency, and its structure is shown in Figure 1- 2.

As shown in Figures 1-2, the utility model proposes a suspension height measuring instrument, which includes a bracket 1, a support table 2, a mounting groove 3, an angle measuring groove 4, a laser range finder 5, a horizontal calibrator 6 and an angle measuring device 7 ;

The bracket 1 is arranged under the support table 2; the installation groove 3 is opened in the middle of one side of the support table 2; the angle measurement groove 4 is opened on one side of the support table 2, which is on the same side as the installation groove 3; the horizontal calibrator 6 is arranged on the support table 2 On the other side of the installation slot 3; the laser range finder 5 is installed in the installation slot 3; the angle measurer 7 is installed in the angle measurement slot 4;

In order to further optimize the technical solution, one side of the laser range finder 5 is connected to the bottom of the installation slot 3 through the rotating head 8 ;

In order to further optimize the technical solution, the angle measuring device 7 includes a protractor 9 and a pointer 10; wherein the protractor 9 is fixed in the angle measuring groove 4;

In order to further optimize the technical solution, it is proposed that two angle measuring devices 7 are symmetrically arranged on both sides of the laser rangefinder 5 respectively.

The principle and use method of the present invention are as follows: the laser range finder 5 is installed in the installation slot 3, the angle measuring device 7 is installed in the angle measuring slot 4, the laser range finder 5 and the angle measuring device 7 are connected by the screw 11, The horizontal calibrator 6 is used to make the laser range finder 5 in a horizontal position when it starts to measure. When the measurement is required, the laser range finder 5 is rotated, and the laser range finder 5 can be rotated up and down, and the rotation angle ranges from -90° to 90°. The pointer 10 rotates with the screw 11 , and the protractor 9 is fixed in the angle measuring slot 4 . During measurement, the laser rangefinder 5 emits laser light to the measured object, which can measure the horizontal distance from the measured object to the measuring device, so that the laser probe can irradiate the target position on the upper and lower parts of the measured object; and the pointer 10 rotates , indicating its rotation angle on the protractor 9, can measure the elevation angle, depression angle and then calculate the height of the measured object.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (4)

1. A suspension height measuring instrument is characterized by comprising a support, a support table, a mounting groove, an angle measuring groove, a laser range finder, a horizontal calibrator and an angle measurer;

wherein the support is disposed below the support table; the mounting groove is formed in the middle of one side of the support platform; the angle measuring groove is formed in one side of the supporting platform and is arranged on the same side as the mounting groove; the horizontal calibrator is arranged on the support table and on the other side of the mounting groove; the laser range finder is arranged in the mounting groove; the angle measurer is arranged in the angle measuring groove; the laser range finder is connected with the angle measurer through a screw rod.

2. The suspension height measuring instrument according to claim 1, wherein one side of the laser range finder is connected with the bottom of the mounting groove through a rotating head; the two sides of the laser range finder are movably connected with the two sides of the mounting groove through screws.

3. The overhead gauge of claim 1, wherein the goniometer comprises a protractor and a pointer; the protractor is fixed in the angle measuring groove; the pointer is sleeved on the screw and rotates along with the screw.

4. The hang height measuring instrument as claimed in claim 1, wherein the two angle measuring devices are symmetrically arranged on two sides of the laser distance measuring instrument.

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