CN217560580U

CN217560580U - Integral type internal diameter size laser detector

Info

Publication number: CN217560580U
Application number: CN202221585755.9U
Authority: CN
Inventors: 王智冲; 郝晓春; 盛冲; 周鑫; 肖欢
Original assignee: Hebei University of Engineering
Current assignee: Hebei University of Engineering
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-11
Anticipated expiration: 2032-06-23

Abstract

The utility model provides an integrated inner diameter dimension laser detector, which comprises a detector main body, wherein the detector main body is used for detecting the inner diameter of a pressure container; be provided with first laser rangefinder sensor, second laser rangefinder sensor, third laser rangefinder sensor and fourth laser rangefinder sensor in the detector main part, the bottom of detector main part is provided with the array center, first laser rangefinder sensor, second laser rangefinder sensor, third laser rangefinder sensor and fourth laser rangefinder sensor use the array center to carry out the annular array setting as the centre of a circle, the utility model discloses can measure the difference between the biggest internal diameter of same cross-section and minimum internal diameter high-efficiently, accurately in pressure vessel testing process to solve current internal diameter check out test set's measured data and can not pinpoint at same section, be difficult for carrying and operate complicacy, be not suitable for field inspection's problem.

Description

Integral type internal diameter size laser detector

Technical Field

The utility model relates to an internal diameter detects technical field, especially relates to an integral type internal diameter size laser detector.

Background

The inside diameter measurement is divided into two types, one is contact type, the other is non-contact type, the contact type is divided into an inside micrometer and a probe type three-coordinate machine, and the non-contact type is divided into a laser inside diameter measuring instrument and a micrometer type three-coordinate machine. The traditional micrometer needs manual operation, so that the precision is easily influenced, and the fixed-line machine is only suitable for offline detection of inconvenient moving objects.

In the prior art, the measurement data of the existing inside micrometer detection equipment cannot be accurately positioned on the same section, is not easy to carry and complex to operate, and is not suitable for field inspection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integral type internal diameter size laser detector, can measure the difference between the biggest internal diameter of same cross-section and minimum internal diameter high-efficiently, accurately in pressure vessel testing process to solve the measured data of current internal diameter check out test set and can not pinpoint at same section, be difficult for carrying and operate complicacy, be not suitable for the problem of field inspection.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an integrated inner diameter dimension laser detector comprises a detector main body, wherein the detector main body is used for detecting the inner diameter of a pressure container;

the detector comprises a detector main body, and is characterized in that a first laser ranging sensor, a second laser ranging sensor, a third laser ranging sensor and a fourth laser ranging sensor are arranged in the detector main body, an array center is arranged at the bottom of the detector main body, and the first laser ranging sensor, the second laser ranging sensor, the third laser ranging sensor and the fourth laser ranging sensor are arranged in an annular array mode by taking the array center as a circle center;

when the detector main body detects the pressure container, the center of the array is attached to the inner wall of the pressure container, and a central connecting line of the center of the array and the center of the first laser ranging sensor passes through the central point of the pressure container.

Further, connecting the center of the array with the center of a first laser ranging sensor, and setting the center as a first connecting line; connecting the center of the array with the center of a second laser ranging sensor, and setting the second connection as a second connection; connecting the center of the array with the center of a third laser ranging sensor, and setting the center as a third connecting line; connecting the center of the array with the center of a fourth laser ranging sensor, and setting the center as a fourth connecting line;

drawing a basic line vertical to the first connecting line by taking the center of the array as a vertical foot;

the included angle between the first connecting line and the basic line is 90 degrees, the included angle between the second connecting line and the basic line is 67.5 degrees, the included angle between the third connecting line and the basic line is 45 degrees, and the included angle between the fourth connecting line and the basic line is 22.5 degrees.

Further, still be provided with battery, switch and controller in the detector main part, battery and switch are connected with the controller electricity respectively, first laser rangefinder sensor, second laser rangefinder sensor, third laser rangefinder sensor and fourth laser rangefinder sensor are connected with the controller electricity respectively.

Furthermore, a display is arranged outside the detector main body and electrically connected with the controller.

Furthermore, a support is further arranged outside the detector main body, the support is arranged in parallel with the first laser ranging sensor, and the center of the support is located on the first connecting line.

The utility model has the advantages that: the utility model discloses a be provided with first laser rangefinder sensor in the detector main part, second laser rangefinder sensor, third laser rangefinder sensor and fourth laser rangefinder sensor, and be provided with the array center in the bottom of detector main part, wherein, first laser rangefinder sensor, second laser rangefinder sensor, third laser rangefinder sensor and fourth laser rangefinder sensor use the array center to carry out annular array setting as the centre of a circle, examine time measuring when the detector main part examines pressure vessel, laminate array center and pressure vessel's container inner wall mutually, and make array center and first laser rangefinder sensor's central point of line process pressure vessel, four groups laser rangefinder sensors can find four datum points on pressure vessel's container inner wall this moment, and look for the horizontal corresponding point on the container inner wall cross-section with these four datum points, cross connection in proper order, the difference between maximum internal diameter and minimum internal diameter is removed to measurement through cross connection's four group line lengths, the efficiency of detection has been improved in the time of guarantee detection precision.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the present invention partially connected to the inner wall of a container;

FIG. 2 is a schematic diagram of a measurement connection line according to the present invention;

fig. 3 is a schematic diagram of the connection between the four groups of laser ranging sensors and the line schematic diagram.

In the figure: 1. a detector main body; 11. a first laser ranging sensor; 12. a second laser ranging sensor; 13. a third laser ranging sensor; 14. a fourth laser ranging sensor; 15. a display; 16. a switch; 17. a battery; 18. a support; 19. a controller; 2. an inner wall of the container; 3. the center of the array.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides an integrated internal diameter dimension laser detector, which includes a detector main body 1, wherein the detector main body 1 is used for detecting the internal diameter of a pressure container.

A first laser ranging sensor 11, a second laser ranging sensor 12, a third laser ranging sensor 13 and a fourth laser ranging sensor 14 are arranged in the detector main body 1, an array center 3 is arranged at the bottom of the detector main body 1, and the first laser ranging sensor 11, the second laser ranging sensor 12, the third laser ranging sensor 13 and the fourth laser ranging sensor 14 are arranged in an annular array mode by taking the array center 3 as a circle center; still be provided with battery 17, switch 16 and controller 19 in the detector main part 1, battery 17 and switch 16 are connected with controller 19 electricity respectively, first laser ranging sensor 11, second laser ranging sensor 12, third laser ranging sensor 13 and fourth laser ranging sensor 14 are connected with controller 19 electricity respectively. The detector main body 1 is also externally provided with a display 15, and the display 15 is electrically connected with a controller 19. The detector main body 1 is further provided with a support 18 outside, the support 18 is parallel to the first laser ranging sensor 11, and the center of the support 18 is located on the first connecting line. The switch 16 can control the on operation of the electrical components in the device, and the detected data can be transmitted to the controller 19 for calculation processing.

Referring to fig. 1 to 3, when the detector main body 1 detects a pressure container, the array center 3 is attached to the inner wall 2 of the pressure container, and a connection line between the array center 3 and the center of the first laser ranging sensor 11 passes through a center point of the pressure container.

Connecting the array center 3 with the center of the first laser ranging sensor 11, and setting the first connection line as a first connection line; connecting the array center 3 with the center of a second laser ranging sensor 12, and setting the second connection line as a second connection line; connecting the array center 3 with the center of a third laser ranging sensor 13, and setting the third connection line as a third connection line; connecting the array center 3 with the center of a fourth laser ranging sensor 14, and setting the connection as a fourth connection; then drawing a basic line vertical to the first connecting line by taking the center 3 of the array as a vertical foot;

wherein the included angle between the first connecting line and the basic line is 90 degrees, the included angle between the second connecting line and the basic line is 67.5 degrees, the included angle between the third connecting line and the basic line is 45 degrees, and the included angle between the fourth connecting line and the basic line is 22.5 degrees. As can be seen from fig. 2 and 3, the first connection is located on AA1, the second connection is located on AA2, the third connection is located on AA3 and the fourth connection is located on AA 4.

The working principle is as follows: the first laser ranging sensor 11, the second laser ranging sensor 12, the third laser ranging sensor 13 and the fourth laser ranging sensor 14 respectively emit four beams of laser at four different angles of 90 °, 67.5 °, 45 ° and 22.5 ° at the same time, measure the inner diameter chord lengths AA1, AA2, AA3 and AA4, and transmit the data to the controller 19. The controller 19 calculates the inner diameters AA1, A2B2, A3B3, and A4B4 of the positions passing through the points A1, A2, A3, and A4 and having angles of 90 °, 135 °, 0 °, and 45 ° with respect to the horizontal direction, respectively, and calculates the difference between the maximum inner diameter and the minimum inner diameter of the same cross section.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The integrated inner diameter dimension laser detector is characterized by comprising a detector main body (1), wherein the detector main body (1) is used for detecting the inner diameter of a pressure container;

a first laser ranging sensor (11), a second laser ranging sensor (12), a third laser ranging sensor (13) and a fourth laser ranging sensor (14) are arranged in the detector main body (1), an array center (3) is arranged at the bottom of the detector main body (1), and the first laser ranging sensor (11), the second laser ranging sensor (12), the third laser ranging sensor (13) and the fourth laser ranging sensor (14) are arranged in an annular array mode by taking the array center (3) as a circle center;

when the detector main body (1) detects the pressure container, the array center (3) is attached to the inner wall (2) of the pressure container, and a central connecting line of the array center (3) and the first laser ranging sensor (11) passes through the central point of the pressure container.

2. An integral inside diameter laser detector according to claim 1, wherein the center (3) of the array is connected with the center of the first laser distance measuring sensor (11) and is set as a first connection line; connecting the array center (3) with the center of a second laser ranging sensor (12), and setting the second connection as a second connection; connecting the array center (3) with the center of a third laser ranging sensor (13), and setting the center as a third connecting line; connecting the array center (3) with the center of a fourth laser ranging sensor (14), and setting the connection as a fourth connection;

then drawing a basic line vertical to the first connecting line by taking the center (3) of the array as a vertical foot;

wherein the included angle between the first connecting line and the basic line is 90 degrees, the included angle between the second connecting line and the basic line is 67.5 degrees, the included angle between the third connecting line and the basic line is 45 degrees, and the included angle between the fourth connecting line and the basic line is 22.5 degrees.

3. The laser detector of claim 1, wherein a battery (17), a switch (16) and a controller (19) are further disposed in the detector body (1), the battery (17) and the switch (16) are respectively electrically connected to the controller (19), and the first laser distance measuring sensor (11), the second laser distance measuring sensor (12), the third laser distance measuring sensor (13) and the fourth laser distance measuring sensor (14) are respectively electrically connected to the controller (19).

4. The laser detector of claim 3, wherein a display (15) is arranged outside the detector body (1), and the display (15) is electrically connected with the controller (19).

5. An integral inner diameter dimension laser detector according to claim 2, characterized in that a bracket (18) is arranged outside the detector main body (1), the bracket (18) is arranged in parallel with the first laser distance measuring sensor (11), and the center of the bracket (18) is located on the first connecting line.