CN210036700U - Inclination measuring device - Google Patents

Abstract

The utility model relates to an inclination measuring device, comprising an abutting rod for sticking on a measuring surface of a component; a plumb line fixed on one end of the abutting rod; a scale hinged on the other end of the abutting rod; The length scale line is marked, and when the plumb line sags naturally, the bottom end of the plumb line on the scale can be obtained by rotating and adjusting the scale to abut against the bottom end of the plumb line. The utility model uses the vertical line to sag naturally and is subjected to gravity vertically downward, and its direction is fixed and perpendicular to the horizontal line, so that it is not necessary to provide a horizontal plane for placing the protractor. The inclination angle of the component can be obtained by finding the angle between the vertical line and the abutting rod.

Description

Inclination measuring device

technical field

The utility model relates to the field of building construction, in particular to an inclination measuring device.

Background technique

The angle formed by a straight line or plane and a horizontal line or a horizontal plane, or the angle formed by a straight line and its projection on the plane, etc., are called inclination angles.

For components with inclination angle requirements in the construction of construction projects, it is generally necessary to check whether the inclination angle meets the construction requirements during the construction process. If the existing protractor is used to measure the inclination angle, a horizontal plane needs to be provided at the component to facilitate alignment of the baseline of the protractor with the horizontal line, so as to measure the angle formed by the component and the horizontal plane. However, it is difficult to easily provide a level surface during construction, and the measurement accuracy is low.

Utility model content

The purpose of this utility model is to overcome the defects of the prior art, to provide an inclination measuring device, to solve the need to provide a horizontal plane at the component in the prior art to facilitate alignment of the baseline and the horizontal line of the protractor, so as to measure the angle formed by the component and the horizontal plane. Included angle, but it is difficult to easily provide a horizontal plane during construction and the measurement accuracy is low.

The technical solution to achieve the above purpose is:

The utility model provides an inclination angle measuring device, comprising:

Abutment rod for attaching to the measuring surface of the component;

a plumb line fixed to one end of the abutment rod; and

A scale hinged on the other end of the abutting rod, the scale is marked with a scale line, when the plumb line sags naturally, the bottom end of the scale and the plumb line can be adjusted by rotating to abut against the bottom end of the plumb line , to obtain the reading indicated by the bottom end of the plumb line on the scale.

The beneficial effects of the inclination measuring device of the present utility model:

The utility model uses the vertical line to sag naturally and is subjected to gravity vertically downward, and its direction is constant and perpendicular to the horizontal line, so that no horizontal plane is required for placing the protractor. When measuring the inclination of the component, when the abutting rod is attached to the measuring surface of the component and the vertical line sags naturally by gravity, the angle between the vertical line and the abutting rod is constant. At the same time, since the vertical line and the horizontal line are vertical, the angle between the vertical line and the abutting rod and the inclination angle of the component are complementary angles to each other. The inclination angle of the component can be obtained by finding the angle between the vertical line and the abutting rod. The utility model solves the need to provide a horizontal plane at the component in the prior art to facilitate the alignment of the baseline and the horizontal line of the protractor, so as to measure the angle formed by the component and the horizontal plane, but it is difficult to easily provide a horizontal plane during construction and the measurement accuracy is low question.

A further improvement of the inclination measuring device of the present invention is that:

The tick marks are length tick marks,

By combining the reading of the scale with the length of the abutting rod, the length of the vertical line and the triangular cosine law formula, the angle between the abutting rod and the vertical line is obtained, then the The complementary angle of the included angle is the included angle between the measuring plane of the member and the horizontal plane.

A further improvement of the inclination measuring device of the present invention is that:

The scale is also marked with angle tick marks corresponding to the length tick marks,

The angle scale line is marked by taking the length of the abutting rod, the length of the plumb line and the value of the complementary angle of the included angle between the abutting rod and the plumb line. In the formula of the triangular cosine theorem, the obtained length is in one-to-one correspondence with the length scale line of the scale.

A further improvement of the inclination measuring device of the present invention is that:

The value range of the angle scale line is 0-90°.

A further improvement of the inclination measuring device of the present invention is that:

The accuracy of the angle scale line is 0.1°.

A further improvement of the inclination measuring device of the present invention is that:

When the length of the vertical line and the abutting rod is 600mm,

The vertical line refers to 90° corresponding to the angle scale line when the length scale line is 0mm;

The vertical line refers to 60° corresponding to the angle scale line when the length scale line is 600mm;

The plumb line refers to 848.528mm of the length scale line corresponding to the angle scale line 0°.

A further improvement of the inclination measuring device of the present invention is that:

The abutting rod and the scale are hinged through a hinge.

Description of drawings

FIG. 1 is a schematic structural diagram of the inclination measuring device of the present invention.

FIG. 2 is a schematic diagram of the measurement state of the first embodiment of the inclination angle measurement device of the present invention.

FIG. 3 is an enlarged schematic view of part A of FIG. 2 .

FIG. 4 is a schematic diagram of the measurement state of the second embodiment of the inclination angle measurement device of the present invention.

FIG. 5 is an enlarged schematic view of part B of FIG. 4 .

FIG. 6 is a schematic diagram of the measurement state of the third embodiment of the inclination angle measurement device of the present invention.

FIG. 7 is an enlarged schematic view of part C of FIG. 6 .

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to FIG. 1 , a schematic structural diagram of the inclination measuring device of the present invention is shown. FIG. 2 is a schematic diagram of the measurement state of the first embodiment of the inclination angle measurement device of the present invention. FIG. 3 is an enlarged schematic view of part A of FIG. 2 . 1 to 3, the inclination measuring device of the present invention includes:

The abutment rod 20 for sticking to the measuring surface of the component 10;

a vertical line 30 fixed to one end of the abutment rod 20; and

The scale 40 hinged to the other end of the abutting rod 20, the scale 40 is marked with a length scale line, when the plumb line 30 sags naturally, the scale 40 and the plumb can be adjusted by rotating The bottom ends of the lines 30 abut against each other, and the reading indicated by the bottom ends of the vertical lines 30 on the scale 40 is obtained.

As a preferred embodiment of the inclination measuring device of the present invention, the scale line is a length scale line, and the reading of the scale 40 is combined with the length of the abutting rod 20, the length of the plumb line 30 and the The angle between the abutting rod 20 and the vertical line 30 is obtained by the triangular cosine law formula, and the complementary angle of the angle is the angle between the measuring plane and the horizontal plane of the component.

As a preferred embodiment of the inclination measuring device of the present invention, the scale 40 is also marked with an angle scale line corresponding to the length scale line, and the angle scale line is marked by measuring the length of the abutting rod 20 , the length of the vertical line 30 and the value of the complementary angle of the angle between the abutting rod 20 and the vertical line 30 are brought into the formula of the triangular cosine law, and the obtained length and the The length scale lines of the scale 40 are in one-to-one correspondence.

As a preferred embodiment of the inclination measuring device of the present invention, the plumb line 30 includes a suspension rope and a plumb line fixed to one end of the suspension rope, and one end of the suspension rope is pierced through a suspender fixed to the abutting rod 20 one end. The abutting rod 20 and the scale 40 are hinged through a hinge. It can be folded and unfolded through hinges, which is convenient for storage and access.

The measurement principle is: when the plumb line 30 sags naturally, it is vertically downward by gravity, and its direction is certain and perpendicular to the horizontal line. When measuring the inclination of the component, when the abutting rod 20 is attached to the measuring surface of the component 10 and the vertical line 30 sags naturally by gravity, the angle between the vertical line 30 and the abutting rod 20 is constant. At the same time, since the vertical line 30 is perpendicular to the horizontal line, the included angle between the vertical line 30 and the abutting rod 20 and the inclination angle of the member 10 are complementary angles to each other. The inclination angle of the member 10 can be obtained by obtaining the included angle between the vertical line 30 and the abutting rod 20 .

As a preferred embodiment of the inclination angle measuring device of the present invention, the value range of the angle scale line is 0° to 90°. The accuracy of the angle scale line is 0.1°.

Specifically, according to the triangular cosine theorem, it can be obtained: Knowing the two sides and the included angle of the triangle, the length of the third side can be obtained according to the formula. The formula is as follows:

a ² =b ² +c ² -2bccosA

In this embodiment, the length of the vertical line 30 is b=600mm, and the length of the abutting rod 20 is c=600mm. Because the angle ∠A between the vertical line 30 and the abutting rod 20 and the inclination angle δ of the component 10 to be measured are complementary angles to each other, that is, the inclination angle δ of the component 10 to be measured = 90°-∠A. The values of δ and ∠A range from 0 to 90°.

The value of the angle ∠A between the vertical line 30 and the abutting rod 20 can be obtained from a series of values of the inclination angle δ of the component 10 to be measured in the range of 0° to 90° and the difference is 0.1°, and ∠ The value of A is brought into the above formula to obtain the corresponding length of a. One-to-one correspondence between the inclination angle δ of the component 10 to be measured and the length scale line on the scale.

The following is a specific description in conjunction with three measured embodiments. The utility model is mainly applied to the inclination angle measurement of concrete structures, steel structures, wood structures and other components where there are inclination angle requirements in construction projects, as well as doors and windows, curtain wall keels and decorations in decoration and decoration. Face inclination measurement. The setting parameters of the device are specifically as follows: the length of the scaled portion of the scale 40 is 848.528 mm. The hinged end of the scale 40 is set to 0 mm of the length scale line. The length of the vertical line 30 and the abutting rod 20 is 600mm. The unit scale of the angle is 0.1°, with a total of 900 scales from 0° to 90°.

As shown in FIGS. 1 to 3 , the abutting rod 20 is attached to the surface to be measured of the component 10 , and the vertical line 30 is naturally vertical, then the vertical line 30 refers to the angle scale line on the scale 40 47.74°. That is, the inclination angle δ of the member 10 to be measured is 47.74°.

Referring to FIG. 4 , it is a schematic diagram of the measurement state of the second embodiment of the tilt angle measurement device of the present invention. FIG. 5 is an enlarged schematic view of part B of FIG. 4 . 4 and 5, the abutting rod 20' is attached to the test surface of the component 10', the vertical line 30' is naturally vertical, and the vertical line 30' refers to 0 mm of the length scale line When the corresponding angle scale line is 90°. That is, the inclination angle δ of the member 10' to be measured is 90°.

In another embodiment, the vertical line 30 corresponds to 60° of the angle scale line when the length scale line is 600mm;

Referring to FIG. 6 , it is a schematic diagram of the measurement state of the third embodiment of the inclination measurement device of the present invention. FIG. 7 is an enlarged schematic view of part C of FIG. 6 . 6 and 7, in this embodiment, the abutting rod 20" is attached to the test surface of the component 10", the vertical line 30" is naturally vertical, and the vertical line 30" refers to When the length scale line is 848.528mm, the corresponding angle scale line is 0°.

The utility model also provides a measurement method of the inclination angle measurement device, comprising the following measurement steps:

attaching the abutment rod 20 to the measurement surface of the member 10; and

When the plumb line 30 sags naturally, rotate and adjust the scale 40 to abut against the bottom end of the plumb line 30 to obtain the reading indicated by the bottom end of the plumb line 30 on the scale 40 .

As a preferred embodiment of the measuring method of the inclination measuring device of the present invention,

The tick marks are length tick marks,

After the reading indicated by the bottom end of the plumb line 30 on the scale 40 is obtained, the reading of the scale 40 is combined with the length of the abutment rod 20, the length of the plumb line 30 and the The angle between the abutting rod 20 and the vertical line 30 is obtained by the triangular cosine law formula, and the complementary angle of the angle is the angle between the measurement plane of the member 10 and the horizontal plane.

As a preferred embodiment of the measuring method of the inclination measuring device of the present invention,

The scale 40 is also marked with an angle scale line corresponding to the length scale line,

The marking of the angle scale line is calculated by dividing the length of the abutting rod 20 , the length of the vertical line 30 and the complementary angle of the included angle between the abutting rod 20 and the vertical line 30 . The value is brought into the triangular cosine theorem formula, and the corresponding length of the scale 40 is obtained;

Obtaining the reading indicated by the bottom end of the plumb line 30 on the scale 40 includes: reading the reading of the angle scale line indicated by the bottom end of the plumb line 30 on the scale 40 .

As a preferred embodiment of the measuring method of the inclination measuring device of the present invention, the value range of the angle scale line is 0-90°.

The beneficial effects of the inclination measuring device of the utility model are:

The utility model uses the vertical line to sag naturally and is subjected to gravity vertically downward, and its direction is constant and perpendicular to the horizontal line, so that no horizontal plane is required for placing the protractor. When measuring the inclination of the component, when the abutting rod is attached to the measuring surface of the component and the vertical line sags naturally by gravity, the angle between the vertical line and the abutting rod is constant. At the same time, since the vertical line and the horizontal line are vertical, the angle between the vertical line and the abutting rod and the inclination angle of the component are complementary angles to each other. The inclination angle of the component can be obtained by finding the angle between the vertical line and the abutting rod. The utility model solves the need to provide a horizontal plane at the component in the prior art to facilitate the alignment of the baseline and the horizontal line of the protractor, so as to measure the angle formed by the component and the horizontal plane, but it is difficult to easily provide a horizontal plane during construction and the measurement accuracy is low question.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those of ordinary skill in the art can make various modifications to the present invention according to the above description. Therefore, some details in the embodiments should not be construed to limit the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.

Claims (7)

1. A tilt angle measuring device, comprising:

the abutting rod is attached to the measuring surface of the component;

a plumb line fixed to one end of the abutment bar; and

and the graduated scale is hinged to the other end of the abutting rod and is marked with graduation lines, and when the plumb line naturally sags, the graduated scale is adjusted to abut against the bottom end of the plumb line through rotation, so that the reading pointed by the bottom end of the plumb line on the graduated scale is obtained.

2. The inclination measuring device according to claim 1,

the scale marks are length scale marks,

the length of the abutting rod is combined with the reading of the graduated scale, the included angle between the abutting rod and the plumb line is obtained through the length of the plumb line and a triangle cosine theorem formula, and the complementary angle of the included angle is the included angle between the measuring surface of the component and the horizontal plane.

3. The inclination measuring device according to claim 2,

the scale is also marked with angle graduations corresponding to the length graduations,

the marking of angle scale mark is through will lean on the length of pole, the plumb line the length with lean on the pole with the value of the complementary angle of the contained angle between the plumb line is brought into triangle-shaped cosine theorem formula to the length that will solve with the length scale mark one-to-one of scale.

4. The inclination measuring device according to claim 3,

the value range of the angle scale mark is 0-90 degrees.

5. The inclination measuring device according to claim 3,

the accuracy of the angle scale mark is 0.1 °.

6. The inclination measuring device according to claim 3,

when the length of the plumb line and the abutting rod takes 600mm,

the plumb line is at an angle scale mark of 90 degrees when the plumb line is 0mm of the length scale mark;

the plumb line points at an angle scale line of 60 degrees when the length scale line is 600 mm;

the plumb line is at 848.528mm from the length scale line and corresponds to the angle scale line 0.

7. The inclination measuring device according to claim 1,

the leaning rod and the graduated scale are hinged through a hinge.

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