CN212082375U - Inclined component angle measuring tool - Google Patents

Abstract

The utility model discloses a slope component angle measuring tool relates to the building engineering and measures the field. The measuring tool comprises a main frame body, a dial, a pointer and a plumb bob; the main frame body is of a right-angle frame structure, a dial is fixed on the inner side of one right-angle side of the main frame body, a pointer which is connected in a rotating mode is installed at the circle center of the dial, and a line aligning device which is perpendicular to the pointer is installed on the center line of the pointer; the main frame body is internally provided with a take-up device, the take-up device is connected with one end of a traction wire, the other end of the traction wire is connected with a plumb bob, and the traction wire and the central line of a pointer are positioned in the same vertical plane. The frame beam is selected according to different inclined member angles, pointer reading and a plumb distance difference measuring method are used simultaneously, and accuracy of measured values is guaranteed doubly. The measuring tool is simple to use and carry, the measuring and using method is simple and easy to understand, the influence of the support frame body can be eliminated by using the tool and the method, the angle of the inclined component can be rapidly measured and checked, and the working efficiency is improved.

Description

Angle measurement tool for inclined members

technical field

The utility model relates to the field of industrial and civil construction engineering, in particular to a tool for measuring the angle of an inclined component.

Background technique

In modern large-scale public building projects, in order to achieve a comprehensive overall appearance effect and the needs of some special functions, architects broke the traditional design concept of using vertical vertical components, and introduced obliquely arranged components into the engineering design. , the introduction of oblique members brought some difficulties to the construction process. In the construction process, the measurement of its angle is affected by the surrounding support frame, and it is difficult to quickly and conveniently complete its measurement and inspection work with conventional optical instruments.

Utility model content

In order to solve the above technical problems, the utility model provides an angle measuring tool of an inclined member, which can quickly measure and check the angle of the inclined member and improve the working efficiency.

In order to achieve this technical purpose, the utility model adopts the following scheme: a tool for measuring the angle of an inclined member, including a main frame body, a dial, a pointer and a plumb weight; the main frame body is a right-angle frame structure, and the inner side of a right-angle side of the main frame body is fixed There is a dial, the center of the dial is equipped with a rotating connection pointer, and the center line of the pointer is equipped with a line alignment device perpendicular to the pointer; the main frame is equipped with a wire take-up device, which is connected to one end of the pulling line, and the other is the pulling line. One end is connected with the plumb bob, and the pulling line and the center line of the pointer are located in the same vertical plane.

Compared with the prior art, the beneficial effects of the present utility model are: the measuring tool is simple to use, easy to carry, can eliminate the influence of the support frame, quickly measure the angle of the oblique member, and improve work efficiency; different angles are used for different angles. The frame beam is measured, and the relationship between the distance difference and the slope is used to verify the angle and improve the accuracy.

The preferred scheme of the present utility model is:

There are markers at equal intervals on the pull line.

The two right-angled sides of the main frame body are respectively equipped with built-in levels.

The wire take-up device includes a rotating shaft and a motor, the motor is connected with the rotating shaft, the rotating shaft is connected with one end of the pulling wire, and the other end of the pulling wire is connected with the plumb bob.

The pointer is mounted on the main frame body through a connecting shaft, the middle of the connecting shaft is provided with a first through hole, and the connecting shaft part on the lower surface of the first through hole is a horizontal groove structure.

One end of the alignment device is vertically fixed on the center line of the pointer, and the other end of the alignment device is a free end.

A storage box is arranged inside the main frame body, and a handle is arranged outside the main frame body.

Description of drawings

1 is a schematic structural diagram of a measuring tool provided by an embodiment of the present invention;

2 is a left side view of a measuring tool provided by an embodiment of the present utility model;

3 is a schematic structural diagram of a main frame body provided by an embodiment of the present invention;

4 is a top view of a first frame beam provided by an embodiment of the present utility model;

5 is a left side view of a connecting shaft provided by an embodiment of the present invention;

6 is a bottom view of a connecting shaft provided by an embodiment of the present invention;

FIG. 7 is a diagram 1 of the use state of the measuring tool provided by the embodiment of the present utility model;

FIG. 8 is a second view of the use state of the measuring tool provided by the embodiment of the present utility model;

Marked as: 1-Main frame, 2-Dial, 3-Pointer, 4-Plumb bob, 5-Drawing wire, 6-Wire take-up device, 7-Connecting shaft, 71-First through hole, 8- Positioning card, 9-level, 10-handle, 11-storage box, 12-first frame beam, 13-second frame beam, 14-wire alignment device, 141-second through hole, 15-sealing plate.

Detailed ways

In order to fully understand the purpose, features and effects of the present utility model, the present utility model will be described in detail by the following specific embodiments, but the present utility model is not limited thereto.

Please refer to FIGS. 1 to 4 , a tool for measuring the angle of an inclined member provided by the present invention is composed of a main frame body 1, a dial 2 and a pointer 3, etc. The main frame body 1 is a right-angle frame structure, and the main frame body 1 passes through The pulling wire 5 is connected with the plumb 4. A dial 2 is fixed on the inner side of a right-angle side of the main frame body 1.

The main frame body 1 is a right-angle frame structure composed of two frame beams, and a level built in the frame beam is installed at the midpoint of the length direction of each frame beam, preferably an electronic level 9, which is used to display the relationship between the frame beam and the frame beam. The vertical relationship of the inclined plane to be measured. When the electronic level reading 9 on the frame beam that is not attached to the inclined surface to be measured is 0, the frame beam and the inclined surface to be measured are in a vertical relationship. The right angle between the two frame beams is provided with a portable storage box 11 for storing the plumb bob 4 . Preferably, the length of the first frame beam 12 is greater than that of the second frame beam 13 . The handle 10 is welded to the outside of the first frame beam 12 and the storage box 11, respectively.

Please refer to FIG. 5 and FIG. 6 , the free end of the first frame beam 12 is provided with a sealing plate 15 . The two ends of the dial 2 are respectively installed on the bottom edge of the first frame beam 12 through the positioning clips 8 , and the outer circumference of the dial 2 is tangent to the sealing plate 15 . The dial 2 is made of an aluminum plate with a thickness of 3mm, and its accuracy is ±0.5°. The pointer 3 is mounted on the first frame beam 12 through the connecting shaft 7, the connecting shaft 7 is located at the center of the dial 2, and the middle part of the connecting shaft 7 is a semi-cylindrical shaft with a downward cross-section, that is, the middle part is a horizontal groove structure. A first through hole 71 with a vertical cross section is formed at the center point in the longitudinal direction of the connecting shaft 7 . The centerline of the pointer 3 is provided with a line alignment device 14 perpendicular to the direction of the dial 2 , the alignment device 14 is provided with a second through hole 141 , and the second through hole 141 and the first through hole 71 are located in the same vertical plane. The pulling wire 5 passes through the first through hole 71 and the second through hole 141 respectively, so that the center line of the pointer 3 and the center line of the plumb bob 4 are on the same vertical plane, which is used for accurate reading of the pointer 3 . Preferably, the wire aligner 14 adopts a rectangular sheet-like structure. Preferably, scale lines are drawn on both sides of the dial 2 respectively, and pointers 3 are respectively provided at the centers of the two sides of the dial 2 . Alternatively, the dial 2 and the pointer 3 are symmetrically installed on both sides of the first frame beam 12, so that the scope of application is wider.

The first frame beam 12 is provided with a wire take-up device 6 at a position just above the connecting shaft 7. The wire take-up device 6 is composed of a rotating shaft and a motor. The motor is connected to the rotating shaft, and a traction wire 5 is wound on the rotating shaft. 4 connections. There is a mark every 500mm on the pulling wire 5, which is used for measuring the length with a ruler. Preferably, the traction wire 5 is a steel wire with a diameter of 0.5 mm, and the weight of the plumb bob 4 is 0.5 kg.

How to use the angle measurement tool for inclined members, the steps are as follows:

S1. Select the first frame beam 12 or the second frame beam 13 as the attachment surface of the inclined surface to be measured according to the angle between the inclined surface to be measured and the horizontal plane of the oblique member. When the included angle is greater than 90°, the second frame beam 13 is selected to be attached to the inclined surface of the oblique member to be measured; when the included angle is less than 90°, the first frame beam 12 or the second frame beam 13 is selected to be adjacent to the inclined surface to be measured. paste.

S2. Stick the selected frame beam on the inclined surface to be measured, and read the number displayed by the electronic level 9 on the other frame beam. When the value is 0, the bubble in the level 9 is centered, and the frame where the electronic level 9 is located The beam and the inclined surface to be measured are in a vertical state; put down the plumb bob 4, the pointer 3 is in a vertical state under the action of its own weight, and the center line of the pointer 3 is aligned with the traction line 5 through the line alignment device 14, and the pointer 3 is read on the scale. Calculate the angle between the inclined plane to be measured and the horizontal plane according to the value indicated on the disk 2, according to the sum of the interior angles of the triangle being 180°.

S3. Use a measuring ruler to measure the distances from the two marked points on the traction line 5 to the inclined surface to be measured, denoted as L1 and L2, and the vertical distances between the two marked points and the plumb weight as H1 and H2 respectively; calculate the two The difference between the horizontal distance and the height distance of the marker points is as follows:

tanθ=|ΔL/ΔH|

Calculate the value of θ. According to the triangle similarity theorem, θ is the angle between the inclined plane to be measured and the vertical plane, and then according to the sum of the interior angles of the triangle equal to 180°, the angle is converted to obtain the final angle between the inclined plane to be measured and the horizontal plane. Verify this value and the value converted from the pointer reading. If the two are the same, the angle measurement value is accurate.

Please refer to FIG. 7, when the angle between the inclined plane and the horizontal plane is less than 90°, when the first frame beam 12 is selected to fit the inclined plane to be measured, and the value of the pointer is _a , the angle β1 between the inclined plane to be measured and the horizontal plane is as follows The formula is calculated to find:

β ₁ =90°-(180°-a);

According to the data measured at the traction line 5, the angle θ and the angle β ₂ between the inclined plane to be measured and the horizontal plane are calculated according to the following formula:

θ=arctan[(L1-L2)/(H2-H1)]

The angle θ value β ₂ =90°-arctan[(L1-L2)/(H2-H1)] is obtained by calculation.

When the second frame beam 13 is selected to fit with the inclined surface to be measured, the value a read by the pointer is the angle β ₁ between the inclined surface to be measured and the horizontal plane; according to the data measured at the traction line 5, the angles θ and Angle β ₂ between the inclined plane to be measured and the horizontal plane:

θ=arctan[(L1-L2)/(H2-H1)]

β ₂ =90°-arctan[(L1-L2)/(H2-H1)].

Please refer to FIG. 8 , when the angle between the inclined surface and the horizontal surface is greater than 90°, the second frame beam 13 is selected to fit the inclined surface to be measured, and the pointer value is a, then the angle between the inclined surface to be measured and the horizontal surface is calculated according to the following formula β ₁ :

β ₁ =180°-a.

According to the data measured at the traction line 5, the angle θ and the angle β ₂ between the inclined plane to be measured and the horizontal plane are calculated according to the following formula:

θ=arctan[(L1-L2)/(H1-H2)]

β ₂ =90°+arctan[(L1-L2)/(H1-H2)].

When the values of β ₁ and β ₂ are equal, the measured value of the angle between the inclined plane to be measured and the horizontal plane is accurate.

Finally, it should be noted that: the above enumeration is only the preferred embodiment of the present utility model, of course those skilled in the art can make changes and modifications to the present utility model, if these modifications and modifications belong to the claims of the present utility model and its equivalent technology Within the scope of the present invention, all should be considered as the protection scope of the present invention.

Claims (7)

1. a tool for measuring the angle of an inclined member, comprising a main frame body, a dial, a pointer and a plumb bob; it is characterized in that, The main frame body is a right-angle frame structure, a dial is fixed on the inner side of a right-angle side of the main frame body, a rotating and connected pointer is installed at the center of the dial, and a line alignment device perpendicular to the pointer is installed on the center line of the pointer; The main frame body is equipped with a wire take-up device, the wire take-up device is connected with one end of the pulling wire, the other end of the pulling wire is connected with the plumb bob, and the pulling wire and the center line of the pointer are located in the same vertical plane. 2 . The angle measuring tool of the inclined member according to claim 1 , wherein marks are provided at equal intervals on the pulling line. 3 . 3 . The angle measuring tool of the inclined member according to claim 1 , wherein the two right-angled sides of the main frame body have built-in levels respectively. 4 . 4 . The angle measuring tool of an inclined member according to claim 1 , wherein the wire take-up device comprises a rotating shaft and a motor, the motor is connected with the rotating shaft, the rotating shaft is connected with one end of the pulling wire, and the other end of the pulling wire is connected with the plumb bob. 5 . 5 . The angle measuring tool of the inclined member according to claim 1 , wherein the pointer is mounted on the main frame body through a connecting shaft, a first through hole is provided in the middle of the connecting shaft, and the connecting shaft part of the lower surface of the first through hole is formed. 6 . It is a horizontal groove structure. 6 . The angle measuring tool of an inclined member according to claim 5 , wherein one end of the alignment device is vertically fixed on the center line of the pointer, the other end of the alignment device is a free end, and the middle of the alignment device is provided with a second through hole. 7 . , the center line of the second through hole is collinear with the center line of the first through hole. 7 . The angle measuring tool of an inclined member according to claim 1 , wherein a storage box is arranged inside the main frame body, and a handle is arranged outside the main frame body. 8 .

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