CN203100630U - A measuring tool for measuring the vertical height of a measuring instrument - Google Patents

Abstract

The utility model discloses a measuring tool of volume measuring instrument vertical height belongs to the measurement field. The measuring tool comprises: the shell, the lid, the bottom plate, the ruler, the pilot pin, the knob, handle and bubble, the ruler passes through the lid encapsulation inside the shell, the shell upper end is equipped with tensile mouthful, the perpendicular upwards pull-out of tensile mouthful of ruler accessible, the bottom plate is being fixed to the bottom of shell, one side of keeping away from the ruler in the shell is setting up the pilot pin, the pilot pin bottom plate horizontal migration relatively, the pilot pin passes through the knob and is fixed mutually with the shell, the axis and the bottom plate of pilot pin are mutually perpendicular, the handle links to each other with the shell, be equipped with the bubble on the horizontal plane that handle and shell link to each other. The utility model discloses an above-mentioned structure can directly measure the vertical height of measuring instrument, and the measuring result is accurate. Furthermore, the utility model has the advantages of rational in infrastructure, convenient field carry, be applicable to various surveying instrument equipment vertical height volume and get.

Description

A measuring tool for measuring the vertical height of a measuring instrument

technical field

The utility model relates to the field of surveying and mapping tools, in particular to a measuring tool for measuring the vertical height of a measuring instrument.

Background technique

At present, in the field of surveying and mapping, the accuracy of survey control network and special engineering construction often reaches the millimeter level or even higher.

"Instrument height" referred to in surveying instruments and surveying software: refers to the vertical height from the center of the ground control point to the center of the axis system of the instrument. At present, there is no measuring tool in the field of surveying and mapping that can directly measure the vertical height of the instrument. In daily work, the steel tape measure is generally used to measure the slant height of the instrument, and the vertical height of the instrument is calculated through the Pythagorean theorem, which is used as a measuring instrument and measuring software to calculate the use value.

However, affected by the structure of the instrument, it is often impossible to accurately measure the slant height of the instrument, resulting in an inaccurate calculated vertical height of the instrument.

Utility model content

In order to solve the problems in the prior art, the embodiment of the utility model provides a measuring tool for measuring the vertical height of the measuring instrument, which can directly measure the vertical height of the measuring instrument. Described technical scheme is as follows:

A measuring tool for measuring the vertical height of a measuring instrument, the measuring tool includes: a casing, a cover, a bottom plate, a ruler, a positioning pin, a knob, a handle and an air bubble, the cover is installed on the casing, and the ruler passes through the The cover is packaged inside the housing, the ruler is used to measure the height of the measuring instrument, the upper end of the housing is provided with a stretching opening, the ruler can be pulled out vertically through the stretching opening, and the bottom of the housing is The bottom plate is fixed, and the bottom plate is set relative to the length direction of the bottom of the casing. The positioning pin is set on the side of the casing away from the ruler, and the positioning pin can move horizontally relative to the bottom plate. The positioning pin is fixed to the housing through the knob, the axis of the positioning pin is perpendicular to the bottom plate, the positioning pin is used to align the vertical axis of the measuring instrument, and the handle is connected to the housing , the handle is used for holding, and the air bubble is provided on the horizontal surface where the handle is connected with the shell, and the air bubble is used for levelness detection.

Specifically, the positioning pin includes a horizontal bar and a vertical bar, the horizontal bar is vertically arranged with the vertical bar and arranged in an inverted L shape, the horizontal bar extends into the housing, and the lower part of the vertical bar is provided with a top , the apex is used to align the vertical axis of the measuring instrument.

More specifically, the handle is disposed on a side of the housing opposite to the protruding portion of the bottom plate.

The beneficial effect brought by the technical solution provided by the embodiment of the utility model is: the embodiment of the utility model can directly measure the vertical height of the measuring instrument through the above structure, and the measurement result is accurate. In addition, the utility model has the advantages of reasonable structure, convenient carrying in the field, and being suitable for measuring the vertical height of various surveying and mapping instruments and equipment.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the front view of the measuring tool for measuring the vertical height of the measuring instrument provided by the embodiment of the present invention;

Fig. 2 is A-A sectional view of Fig. 1;

FIG. 3 is a top view of FIG. 1 .

The meanings of the symbols in the figure are as follows:

1. Shell;

2. Cover;

3. Locating pin, 3A, horizontal bar, 3B, vertical bar;

4. Bottom plate;

5. Handle;

6. Knob;

7. Ruler;

8. Bubbles;

9. Stretch mouth.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, also refer to Fig. 2 and Fig. 3, the utility model provides a kind of measuring tool for measuring the vertical height of measuring instrument, described measuring tool comprises: shell 1, cover 2, base plate 4, ruler 7, Positioning needle 3, knob 6, handle 5 and air bubble 8, the cover 2 is installed on the housing 1, the ruler 7 is packaged inside the housing 1 through the cover 2, and the ruler 7 is used for measuring The height of the instrument, the upper end of the casing 1 is provided with a stretching port 9, the ruler 7 can be pulled out vertically upwards through the stretching port 9, the bottom of the casing 1 is fixed with the bottom plate 4, and the bottom plate 4 Set relative to the length direction of the bottom of the housing 1, the positioning pin 3 is arranged on the side of the housing 1 away from the ruler 7, the positioning pin 3 can move horizontally relative to the bottom plate 4, and the positioning pin 3 The knob 6 is fixed to the housing 1, the axis of the positioning pin 3 is perpendicular to the bottom plate 4, the positioning pin 3 is used to align the vertical axis of the measuring instrument, and the handle 5 is connected to the vertical axis of the measuring instrument. The shell 1 is connected, the handle 5 is used to hold and determine the position of the positioning pin 3, the handle 5 is connected to the shell 1 on the horizontal surface, and the air bubble 8 is provided, and the air bubble 8 is used for levelness detection .

The working process of the utility model is: adjust the distance between the positioning pin 3 and the ruler 7. After the distance is determined, lock the positioning pin 3 through the knob 6, and then hold the handle 5 so that the axis of the positioning pin 3 is aligned with the vertical axis of the measuring instrument. While holding and determining the position of the positioning pin 3, observe whether the air bubble 8 is in the middle position. By adjusting the handle 5, balance the housing 1 so that the air bubble 8 is in the middle position, and ensure that the positioning pin 3 is perpendicular to the horizontal bottom plate 4 of the housing 1 during the measurement process. Stretch the ruler 7 for height measurement.

It can be seen that the embodiment of the utility model can directly measure the vertical height of the measuring instrument through the above structure, and the measurement result is accurate.

In addition, the utility model has the advantages of reasonable structure, convenient carrying in the field, and being suitable for measuring the vertical height of various surveying and mapping instruments and equipment.

Specifically, as shown in FIG. 1 , the positioning pin 3 includes a horizontal bar 3A and a vertical bar 3B, the horizontal bar 3A is arranged perpendicular to the vertical bar 3B and arranged in an inverted L shape, and the horizontal bar 3A extends into The housing 1 can be telescopically moved in the housing 1 to adjust the distance from the ruler 7. The lower part of the vertical bar 3B is provided with a top, and the top is used to align the vertical axis of the measuring instrument.

More specifically, as shown in FIG. 1 , the handle 5 is arranged on a side of the housing 1 opposite to the protruding part of the bottom plate 4 , so as to facilitate adjustment of the measuring tool.

The serial numbers of the above-mentioned embodiments of the utility model are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (3)

1. A measuring tool for measuring the vertical height of a measuring instrument, characterized in that, the measuring tool comprises: a shell, a cover, a base plate, a ruler, a positioning pin, a knob, a handle and an air bubble, and the cover is installed on the shell , the ruler is packaged inside the housing through the cover, the ruler is used to measure the height of the measuring instrument, the upper end of the housing is provided with a stretching port, and the ruler can be pulled out vertically through the stretching port , the bottom of the housing is fixed with the base plate, the base plate is arranged relative to the length direction of the bottom of the housing, the side of the housing far away from the ruler is provided with the positioning pin, and the positioning pin can be opposite to the The bottom plate moves horizontally, the positioning pin is fixed to the housing through the knob, the axis of the positioning pin is perpendicular to the bottom plate, and the positioning pin is used to align the vertical axis of the measuring instrument. The handle is connected with the shell, and the handle is used for holding, and the air bubble is provided on the horizontal surface where the handle is connected with the shell, and the air bubble is used for levelness detection. 2. The measuring tool according to claim 1, wherein the positioning pin comprises a cross bar and a vertical bar, the cross bar is arranged vertically to the vertical bar and arranged in an inverted L shape, and the cross bar extends Inserted into the housing, the lower part of the vertical rod is provided with a top, and the top is used to align the vertical axis of the measuring instrument. 3. The measuring tool according to claim 1 or 2, wherein the handle is arranged on a side of the housing opposite to the protruding portion of the bottom plate.

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