CN211740212U

CN211740212U - Curve demarcation device

Info

Publication number: CN211740212U
Application number: CN201920500944.3U
Authority: CN
Inventors: 廖孟光; 刘正佳; 李羲; 张晟熙
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-10-23
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses the technical problem that solve is how to throw the curve of high accuracy. Curve appearance of throwing, including host computer and support, the host computer is located the support, the host computer includes the pointolite, the ball casing, the bar body, the pointolite is located the centre of sphere of ball casing, the ball casing is transparent, the bar body is attached at ball casing surface, the bar body is convex lens, its focus is the radius of ball, the light that the pointolite sent becomes the parallel light behind the bar body, the bar body extends the bending at ball casing surface, form a series of radiuses, the circle that the camber is different, ellipse and other curves, the light that the pointolite sent sees through these bar bodies, throw out required curve shape. Because the light rays emitted by the point light source are changed into parallel light rays after passing through the strip-shaped body, the projected lines cannot be dispersed no matter how far away the distance is, and the line projection precision is high; meanwhile, the size of the projected projection can be continuously changed by changing the projection distance without being limited by the size of the curve shape.

Description

Curve demarcation device

Technical Field

The utility model belongs to the technical field of the measurement technique and specifically relates to measurement unwrapping wire during construction.

Background

With the change of aesthetic value of people, curved building structures such as circular arcs are more and more, and when a building main body or decoration engineering is constructed, besides horizontal lines and vertical lines, curves with corresponding shapes need to be projected. The existing laser projector is generally used for projecting horizontal lines or vertical lines, and no line projector capable of projecting curves is available. At present, during construction, most of the curve is measured and released by tools such as a steel ruler on a manual site, the manual operation error is large, the precision of the measured curve is not high, the labor cost is high, and the efficiency is low. Therefore, it is necessary and urgent to develop a line projector capable of projecting a curve.

Disclosure of Invention

The utility model discloses the technical problem that solve is how to throw the curve of high accuracy.

Curve appearance of throwing, including host computer and support, the host computer is located the support, the host computer includes the pointolite, the ball casing, the bar body, the pointolite is located the centre of sphere of ball casing, the ball casing is transparent, the bar body is attached at ball casing surface, the bar body is convex lens, its focus is the radius of ball, the light that the pointolite sent becomes the parallel light behind the bar body, the bar body extends the bending at ball casing surface, form a series of radiuses, the circle that the camber is different, ellipse and other curves, the light that the pointolite sent sees through these bar bodies, throw out required curve shape.

Preferably, the portable computer further comprises a supporting rod, the supporting rod supports the host computer on the support, the supporting rod is formed by connecting a plurality of sections in series and can be used for telescopic height adjustment, and meanwhile, the supporting rod is provided with scales and can read the adjusted height.

Preferably, the ball game machine further comprises a rotating frame, the rotating frame is of a U-shaped structure, the upper end of the rotating frame is connected with the ball shell through a rotating shaft, a angle disc is arranged at the rotating shaft, the rotating angle of the ball shell can be read, and the lower end of the rotating frame is fixedly connected with the supporting rod.

Preferably, the light source device further comprises a light source fixing rod, a power supply, a wire and a switch, one end of the light source fixing rod is connected with the rotating shaft, the point light source is fixed at the center of the sphere by the other end of the light source fixing rod, the light source fixing rod and the rotating shaft are hollow, the wire penetrates through the light source fixing rod and the rotating shaft to connect the point light source with the power supply, the power supply is located on the rotating frame, and the switch is located on a loop formed by the.

Preferably, the upper end of the support is a base, an automatic leveling device is arranged on the base, the base can be leveled automatically, the base is fixedly connected with the supporting rod, and the lower end of the support is a tripod.

Preferably, the strip-shaped bodies form circles in the horizontal and vertical directions on the outer surface of the ball shell to form a horizontal line and a vertical line, and the intersection point of the horizontal line and the vertical line is in the center of the ellipse.

Preferably, the point light source is a white led lamp, the area of the spherical shell except the area where the strip-shaped body is attached is opaque, the curvature of the surface where the strip-shaped body is attached is the same as that of the spherical shell, and the width of the strip-shaped body is 1-5 mm.

Preferably, the circles and the ellipses are colored, and the colors are different between the adjacent two.

Preferably, the ball shell is provided with a plurality of strip-shaped bodies, the strip-shaped bodies on the ball shell form curves with various shapes and curvatures required by building construction, and the ball shell can be replaced for use.

Because the light rays emitted by the point light source are changed into parallel light rays after passing through the strip-shaped body, the projected lines cannot be dispersed no matter how far away the distance is, and the line projection precision is high; meanwhile, the size of the projected projection can be continuously changed by changing the projection distance without being limited by the size of the curve shape; the host can rotate, can continuously change the projection angle and integrally change the curvature of the projection curve to a certain extent, and the applicability is enlarged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a curve line projector;

FIG. 2 is a schematic diagram of a partially enlarged structure of the host;

FIG. 3 is a right side view of the host;

FIG. 4 is a left side view of the host;

fig. 5 is a projection diagram of the present invention.

In the figure: 1. the light source device comprises a main machine, 2 parts of a support, 3 parts of a point light source, 4 parts of a spherical shell, 5 parts of a strip-shaped body, 6 parts of a circle, 7 parts of an ellipse, 8 parts of a support rod, 9 parts of a scale, 10 parts of a rotating frame, 11 parts of a rotating shaft, 12 parts of a light source fixing rod, 13 parts of a power supply, 14 parts of a lead, 15 parts of a base, 16 parts of a tripod, 17 parts of a horizontal line, 18 parts of a vertical line and 19 parts of parallel light.

Detailed Description

Example 1

As shown in fig. 1-4, curve projection appearance, including host computer and support, the host computer is located the support, the host computer includes the pointolite, the ball casing, the bar body, the pointolite is located the centre of sphere of ball casing, the ball casing is transparent, the bar body is attached at ball casing surface, the bar body is convex lens, its focus is the radius of ball, the light that the pointolite sent becomes parallel light behind the bar body, the bar body extends crooked at ball casing surface, form a series of radiuses, the different circle of camber, ellipse and other curves, the light that the pointolite sent sees through these bar bodies, throw out required curve shape.

The support rod is used for supporting the host on the support and is formed by connecting multiple sections in series, the height of the support rod can be adjusted in a telescopic mode, and meanwhile the support rod is provided with scales, so that the adjusted height can be read.

The rotary table is of a U-shaped structure, the upper end of the rotary table is connected with the ball shell through a rotating shaft, a angle disc is arranged at the rotating shaft, the rotating angle of the ball shell can be read, and the lower end of the rotary table is fixedly connected with the supporting rod.

The light source fixing rod is hollow, the wire penetrates through the light source fixing rod and the rotating shaft to connect the point light source with the power supply, the power supply is located on the rotating frame, and the switch is located on a loop formed by the power supply, the wire and the point light source.

The upper end of the support is provided with a base, an automatic leveling device is arranged on the base, the base can be leveled automatically, the base is fixedly connected with the supporting rod, and the lower end of the support is provided with a tripod.

The strip-shaped bodies form circles in the horizontal direction and the vertical direction on the outer surface of the ball shell to form a horizontal line and a vertical line, and the intersection point of the horizontal line and the vertical line is located at the center of the ellipse.

The pointolite is white led lamp, except that the attached region of bar body on the ball casing, other regions are all opaque, and the camber of the attached one side of bar body is the same with the camber of ball casing, and the width of bar body is between 1-5 mm. Other areas are all not transparent, the relative visibility of the projection of the strip-shaped body can be enhanced, and the method is suitable for construction places with high light intensity.

The circles and the ellipses are colored, and the colors of the adjacent two are different. The method is convenient for distinguishing the images projected by the strip-shaped bodies, and is beneficial to projection and construction.

The spherical shell is provided with a plurality of strip-shaped bodies, the strip-shaped bodies on the spherical shell form curves with various shapes and curvatures required by building construction, and the spherical shell can be replaced for use. This makes curve line projector can adapt to most curve building structure, and the usability is strong.

The using method comprises the following steps: a. selecting corresponding circles, ellipses and other curves on the spherical shell for projection according to the shape and size of the required projection curve, and arranging the curve line projector at a proper distance; b. opening the point light source, and aligning the projection central line of the circle or the ellipse on the spherical shell to the central point of the circle or the ellipse to be projected if the standard circle or the ellipse is required to be projected; if other curves need to be projected, aligning the corresponding other curves on the ball shell to the other curves needing to be projected; c. fine adjustment is carried out, and when the curvatures are different, the main machine is rotated for adjustment; when the projection sizes are different, the curve projector is moved back and forth to adjust.

As shown in fig. 5, the line-casting principle of the present invention is: the strip-shaped body is a convex lens, the focal length of the convex lens is the radius of a sphere, and light rays emitted by the point light source become parallel light after passing through the strip-shaped body. Therefore, no matter how far away, the projected lines can not diverge, and the projection accuracy is high.

Claims

1. Curve appearance of throwing, including host computer and support, the host computer is located the support, characterized by host computer includes the pointolite, the ball casing, the bar body, the pointolite is located the centre of sphere of ball casing, the ball casing is transparent, the bar body is attached at ball casing surface, the bar body is convex lens, its focus is the radius of ball, the light that the pointolite sent becomes the parallel light behind the bar body, the bar body extends the bending at ball casing surface, form a series of radiuses, the different circle of camber, ellipse and other curves, the light that the pointolite sent sees through these bar bodies, throw required curve shape.

2. The curvometer according to claim 1, further comprising a support rod, wherein the support rod supports the main machine on the support, the support rod is formed by connecting a plurality of sections in series, the height of the support rod can be adjusted in a telescopic manner, and the support rod is provided with scales so that the adjusted height can be read.

3. The curvometer according to claim 2, further comprising a rotating frame, wherein the rotating frame is of a U-shaped structure, the upper end of the rotating frame is connected with the ball shell through a rotating shaft, the rotating shaft is provided with an angle disc, the rotating angle of the ball shell can be read, and the lower end of the rotating frame is fixedly connected with the supporting rod.

4. The curvometer according to claim 3, further comprising a light source fixing rod, a power supply, a wire, and a switch, wherein one end of the light source fixing rod is connected to the rotating shaft, the other end of the light source fixing rod fixes the point light source at the center of the sphere, the light source fixing rod and the rotating shaft are hollow, the wire penetrates through the light source fixing rod and the rotating shaft to connect the point light source with the power supply, the power supply is located on the rotating frame, and the switch is located on a loop formed by the power supply, the wire and.

5. The curvometer according to claim 2, wherein the upper end of the support is a base, the base is provided with an automatic leveling device, the base can be automatically leveled, the base is fixedly connected with the support rod, and the lower end of the support is a tripod.

6. The curvometer according to claim 1, wherein the strip forms a circle on the outer surface of the ball housing in the horizontal and vertical directions to form a horizontal line and a vertical line, and the intersection of the horizontal line and the vertical line is at the center of the ellipse.

7. The curvilinear projector as claimed in claim 1, wherein the point light source is a white led lamp, the area of the spherical shell other than the area where the strip-shaped body is attached is opaque, the curvature of the surface of the strip-shaped body attached is the same as the curvature of the spherical shell, and the width of the strip-shaped body is between 1-5 mm.

8. The curvometer according to claim 1, wherein the circles and ellipses are colored and the colors of adjacent circles and ellipses are different.

9. The curvometer according to claim 1, wherein the ball casing has a plurality of strip-shaped bodies, the strip-shaped bodies on the ball casing form curves with various shapes and curvatures required by building construction, and the ball casing can be replaced for use.