CN108362230A - A kind of angle measurement unit for concrete sample - Google Patents

Abstract

The invention provides an angle measuring device for a concrete test piece, comprising: a device body; a measuring platform installed on the device body, which is a horizontal platform surface with a light detection plate, for placing the concrete test piece; The support member is installed on the device body, on which a measuring assembly is arranged; the measuring assembly includes a rotating rod that rotates around the edge between the two planes to be measured of the concrete specimen in the horizontal direction, and drives the rotating rod A rotating driving structure, and an angle measuring device for detecting the rotation angle of the rotating rod around the axis; the rotating rod is arranged higher than the top surface of the concrete specimen; the optical ray emitting device is arranged on the rotating rod corresponding to the measurement area , emitting rays to the optical detection board; a controller electrically connected with the optical detection board and the angle measuring device.

Description

An Angle Measuring Device for Concrete Specimen

technical field

The invention relates to the technical field of civil construction materials, in particular to an angle measuring device for concrete test pieces.

Background technique

Concrete structure is one of the most widely used structural forms at home and abroad. With the improvement of construction efficiency and construction quality requirements in the construction industry, the application of modular construction is becoming more and more extensive.

The square concrete piece is the main building unit in the modular construction. The angle between two adjacent planes of the finished square concrete piece needs to be fixed at a uniform value. The requirements for concrete test pieces in the national standard "Standards for Test Methods of Mechanical Properties of Ordinary Concrete" are: the angle between adjacent surfaces of the test pieces should be 90°, and the tolerance should not exceed 0.5°.

In practice, concrete specimens are taken for angle measurements. Due to the small tolerance values, conventional protractive measures cannot be realized. For this reason, a special equipment is needed to test the angle of the surface of the concrete specimen.

Contents of the invention

Therefore, in order to overcome the problem that the angle tolerance value between the adjacent surfaces of concrete specimens is very small and it is difficult to measure using conventional angle measuring means, a device for accurately and quickly testing the surface angle of concrete specimens is provided.

Design scheme of the present invention is as follows:

An angle measuring device for a concrete test piece, comprising: a device body; a measuring platform installed on the device body, which is a horizontal platform surface with a light detection plate for placing the concrete test piece; a support member installed The device body is provided with a measuring assembly; the measuring assembly includes a rotating rod that rotates horizontally around the edge between the two planes to be measured of the concrete specimen, and a driving structure that drives the rotating rod to rotate , and an angle measuring device for detecting the rotation angle of the rotating rod around the axis; the rotating rod is arranged higher than the top surface of the concrete specimen; the optical ray emitting device is arranged on the rotating rod corresponding to the measurement area, and is directed toward the The optical detection board emits rays; the controller is electrically connected with the optical detection board and the angle measuring device.

Preferably, the rotating rod is mounted on the rotating support through a rotating shaft, and the angle measuring device is arranged between the rotating shaft and the rotating supporting frame.

Preferably, the measuring platform is provided with a positioning structure for positioning the concrete specimen, and the positioning mechanism is positioned so that the edge between the two planes to be measured of the concrete specimen coincides with the central axis of the rotating shaft.

Preferably, the positioning structure is arranged on the support member.

Preferably, multiple optical ray emitting devices are arranged on the rotating rod.

Preferably, the optical ray emitting device is slidably fixed to the rotating rod.

Preferably, the optical ray emitting device is a laser emitter.

Preferably, the height of the rotating rod relative to the measuring table is adjustable.

The technical solution of the present invention has the following advantages:

1. A kind of angle measurement device for concrete test piece provided by the present invention, comprises: device body; Measuring table, is installed on described device body, is the horizontal platform surface that is laid with light detection plate, is used for placing described concrete test piece A support member, installed on the device body, on which a measuring assembly is arranged; the measuring assembly includes a rotating rod that rotates around the edge between the two planes to be measured of the concrete specimen in the horizontal, and drives the The driving structure for rotating the rotating rod, and the angle measuring device for detecting the rotation angle of the rotating rod around the axis; the rotating rod is set higher than the top surface of the concrete specimen; the optical ray emitting device is set on the corresponding measurement area The rotating rod emits rays to the optical detection board; the controller is electrically connected with the optical detection board and the angle measuring device. The optical ray emitting device 4 emits the ray of the light detection board 5 , and the light detection board 5 detects the light signal. During the rotation process with the rotating rod, the ray is blocked by the concrete specimen, which is the starting position; the optical ray emitting device 4 continues to rotate with the rotating rod, and moves to the position where the light is detected by the light detection plate 5 again, which is the ending position. The controller measures the included angle between the starting position and the ending position according to the angle measuring device, so as to obtain the angle between two connected planes of the concrete specimen. The present invention is set in this way, by detecting the angle between the two surfaces through the detection of light, it overcomes the problem that the tolerance value of the angle between the adjacent surfaces of the concrete specimen is very small, and it is difficult to use conventional angle measuring means to measure, thereby providing an accurate, A device for quickly testing the surface angle of concrete specimens.

2. An angle measuring device for concrete test pieces provided by the present invention, a positioning structure for positioning the concrete test pieces is set on the measuring platform, and the positioning mechanism is positioned so that the distance between the two planes to be measured of the concrete test pieces is The middle edge coincides and aligns with the central axis of the rotating shaft, so as to place and fix the test piece.

3. The invention provides an angle measuring device for concrete specimens, the rotating rod is provided with a plurality of optical ray emitting devices, so that multiple values can be tested at one time, and the measurement effect is accurate.

4. An angle measuring device for concrete specimens provided by the present invention, the height of the rotating rod relative to the measuring platform is adjustable, and the position of the optical ray emitting device on the rotating rod is adjustable, so that different size test piece.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural diagram of an angle measuring device for a concrete test piece according to the present invention.

Explanation of reference signs:

1-Measuring platform; 2-Support; 3-Measuring components; 4-Optical ray emitting device; 5-Ray detection board.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

Fig. 1 shows a schematic structural diagram of an angle measuring device for a concrete test piece provided by a specific embodiment of the present invention. As shown in the figure, an angle measuring device for a concrete test piece includes a device body, a measuring platform 1, a support, a measuring component, an optical ray emitting device and a controller.

Wherein, the device body is the basic mechanism of the device and is used for installing other components.

The measuring platform 1 is installed on the device body, which is a horizontal platform with a light detection board 5 laid on it, and is used for placing the concrete specimen. The positioning structure for positioning the concrete specimen is set on the measuring table 1, and the positioning mechanism is positioned so that the edge between the two planes to be measured of the concrete specimen coincides with the central axis of the rotating shaft in the measuring assembly, so as to place and fix the test piece.

The supporting member 2 is installed on the device body, on which the measuring component 3 is arranged, and the positioning structure is arranged on the supporting member 2 . The measuring assembly 3 includes a rotating rod that rotates horizontally around the edge between the two planes to be measured of the concrete specimen, a driving structure that drives the rotating rod to rotate, and a device that detects the rotation angle of the rotating rod around the axis. Angle measuring device.

The height of the rotating rod relative to the measuring table 1 is adjustable, so that test pieces of different sizes can be tested; the rotating rod is set higher than the top surface of the concrete test piece, and is installed on the rotating support through a rotating shaft 2. The angle measuring device is arranged between the rotating shaft and the rotating support frame; the optical ray emitting device 4 is arranged on the rotating rod corresponding to the measurement area, and emits rays to the optical detection plate, and the rotating rod A plurality of said optical ray emitting devices 4 are arranged on it, so that the values of multiple positions can be tested at one time, and the test result is more accurate. Optionally, the optical ray emitting device 4 is slidably fixed on the rotating rod. By adjusting the position of the optical ray emitting device 4 relative to the rotating rod, concrete specimens of different sizes can be adapted.

The optical ray emitting device 4 adopts a laser emitter; the controller is electrically connected with the optical detection board and the angle measuring device.

The working principle of the device is as follows: the optical ray emitting device 4 emits the ray from the light detection board 5, and the light detection board 5 detects the light signal. During the rotation process with the rotating rod, the ray is blocked by the concrete specimen, which is the starting position; the optical ray emitting device 4 continues to rotate with the rotating rod, and moves to the position where the light is detected by the light detection plate 5 again, which is the ending position. The controller measures the included angle between the starting position and the ending position according to the angle measuring device, so as to obtain the angle between two connected planes of the concrete specimen.

The present invention is set in this way, by detecting the angle between the two surfaces through the detection of light, it overcomes the problem that the tolerance value of the angle between the adjacent surfaces of the concrete specimen is very small, and it is difficult to use conventional angle measuring means to measure, thereby providing an accurate, A device for quickly testing the surface angle of concrete specimens.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (8)

1. An angle measuring device for a concrete test piece, characterized in that, comprising: device body; The measuring platform (1), installed on the device body, is a horizontal platform surface with a light detection board (5), used to place the concrete test piece; A support (2), mounted on the device body, on which a measuring component (3) is arranged; The measuring assembly (3) includes a rotating rod that rotates horizontally around the edge between the two planes to be measured of the concrete specimen, a driving structure that drives the rotating rod to rotate, and detects that the rotating rod rotates around the axis An angle measuring device for a rotation angle; the rotation rod is set higher than the top surface of the concrete specimen; An optical ray emitting device (4), which is arranged on the rotating rod corresponding to the measurement area, and emits rays to the optical detection plate; A controller is electrically connected to the optical detection board and the angle measuring device. 2. according to the angle measuring device for concrete test piece described in claim 1, it is characterized in that, described rotating rod is installed on described rotating support (2) by rotating shaft, and described angle measuring device is arranged on the between the rotating shaft and the rotating support frame. 3. according to the angle measurement device that is used for concrete test piece described in claim 2, it is characterized in that, the positioning structure of positioning described concrete test piece is set on the described measuring platform (1), and the positioning of described positioning mechanism makes all The edge between the two planes to be measured of the concrete specimen coincides with the central axis of the rotating shaft. 4. The angle measuring device for concrete test pieces according to claim 3, characterized in that, the positioning structure is arranged on the support member (2). 5. The angle measuring device for a concrete test piece according to any one of claims 1-4, characterized in that a plurality of said optical ray emitting devices (4) are arranged on said rotating rod. 6. The angle measuring device for concrete test pieces according to any one of claims 1-4, characterized in that the optical ray emitting device (4) is slidably fixed to the rotating rod. 7. The angle measuring device for a concrete test piece according to claim 1, characterized in that, the optical ray emitting device (4) is a laser emitter. 8. The angle measuring device for concrete test pieces according to claim 1, characterized in that the height of the rotating rod relative to the measuring table (1) is adjustable.