Laser slope finder

Abstract

The invention discloses a laser slope finder, comprising a component base and a base, three correction structures arranged in an equilateral triangle between the component base and the base, a support arranged in the vertical direction is provided in the middle of the top wall of the base, an angle scale and a laser flashlight support are fixedly connected to the side wall of the support, two laser flashlights with mutually perpendicular laser center lines are fixed in the laser flashlight support, a pointer points to the scale on the angle scale and is fixedly connected to the laser flashlight support, a threaded rod of a fastening knob is threadedly connected to a threaded hole on the side wall of the laser flashlight support and the end can be pressed against the side wall of the support to fix the position of the laser flashlight support and the support, and a circular level is fixed in the middle of the top wall of the support. The invention has a good slope finding effect, and compared with the slope finding of the traditional hanging line ruler, there is no dead angle in the slope finding range.

Description

Technical Field

[0001] The invention relates to an optical instrument, in particular to a laser slope finder. Background Art

[0002] At present, the known methods for slope finding at construction sites are to level by hanging a line or using a laser leveler, and then measuring the slope with a ruler. The operation is cumbersome, it is difficult to cover all the required slope finding positions, and the slope finding effect is poor.

[0003] The application number is CN201922418796, and the invention name is "a new type of laser leveling instrument". It includes a base and a shell. A turntable is arranged on the base, and the turntable is rotatably connected to the base. The turntable is fixedly connected to the shell, and a micro-motion knob is connected to the turntable. A fixed plate is arranged on the top of the outer wall of the shell, and the fixed plate is arranged vertically. A rotating shaft is arranged on the side wall of the fixed plate, and the rotating shaft is arranged perpendicular to the fixed plate and horizontally. A rotating laser emitter is fixedly connected to the rotating shaft, and the rotating laser emitter is rotatably connected to the fixed plate through the rotating shaft. The rotating laser emitter is connected to the braking screw and the fine-tuning screw. A PCB board is arranged inside the shell, and a calculation unit, a storage unit, a wireless transmission unit and a switch unit are arranged on the PCB board. The signals between the units are connected. A laser ray receiving target is arranged in the shell, and the laser ray receiving target is connected to the storage unit signal. However, the problem with this device is that it can only be leveled. When used for slope finding, it is necessary to first level, and then calculate the slope elevation at each position according to the slope finding slope, and cooperate with the leveling laser and ruler of the "a new type of laser leveling instrument" to find the slope. Summary of the invention

[0004] The purpose of the present invention is to overcome the disadvantages of the prior art and provide a laser slope finder with good slope finding effect.

[0005] A laser slope finder of the present invention comprises a component base, a base is arranged above the component base and parallel to the component base, and three correction structures arranged in an equilateral triangle are installed between the component base and the base;

[0006] Each correction structure includes a screw rod arranged in the vertical direction, a circular groove is opened from the middle of the bottom surface of the screw rod to the inside of the screw rod, an internal thread is arranged on the annular wall surface of the circular groove, an upper spherical structure is connected to the top of the screw rod, an upper groove is opened on the bottom wall of the base at a position corresponding to the upper spherical structure, and the upper part of the upper spherical structure is rotatably connected to the upper groove on the bottom wall of the corresponding support;

[0007] Each of the screw rods is connected to a correction nut, a circle of annular grooves is formed on the top wall of the correction nut, an external thread is provided on the inner ring wall of the annular groove to form a threaded column, the internal thread of each of the screw rods is threadedly connected with the threaded column on the corresponding correction nut, a lower groove is formed in the middle of the bottom wall of the correction nut, a lower spherical structure is rotatably connected in the lower groove, a connecting rod arranged in the vertical direction is fixed to the bottom of the lower spherical structure, and the connecting rod is fixed to the top wall of the component base;

[0008] The bottom of a support arranged in the vertical direction is fixed in the middle of the top wall of the base, a semicircular angle dial is fixedly connected to the middle of the left wall of the support, a spherical structure is respectively provided on the upper part of the left and right side walls of the support, the laser flashlight support is composed of left and right swivels fixedly connected, spherical grooves are respectively opened on the inner walls of the left and right swivels, the left and right spherical structures on the support are respectively rotatably connected in the spherical grooves of the left and right swivels, the laser flashlight support can rotate around the line connecting the center points of the two spherical structures, the line connecting the center points of the two spherical structures is arranged in the horizontal direction, a laser flashlight is respectively fixed on the two swivels, the central axes of the lasers emitted by the two laser flashlights are perpendicular to each other, a pointer points to the scale on the angle dial and is fixedly connected to the laser flashlight support, a threaded hole is opened on the left wall of the laser flashlight support, a threaded rod of a tightening knob is threadedly connected to the threaded hole and the end can be pressed against the side wall of the support so that the laser flashlight support and the support are fixed, and a circular level is fixed in the middle of the top wall of the support.

[0009] The invention has the following beneficial effects: good slope finding effect, no dead angle in the slope finding range compared with the traditional hanging line measuring ruler slope finding, simple and reliable structure, some components can be purchased as finished products, easy to mass produce in factories, simple and convenient operation, and simple maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a vertical view of a laser slope finder of the present invention;

[0011] Figure 2 yes Figure 1 a side view of the structure shown;

[0012] Figure 3 yes Figure 1 a top view of the structure shown;

[0013] Figure 4 yes Figure 1 AA section view of the structure shown;

[0014] Figure 5 yes Figure 1 BB cross-section of the structure shown. DETAILED DESCRIPTION

[0015] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] As shown in the accompanying drawings, a laser slope finder of the present invention includes a component base 1, a base 4 is arranged above the component base 1 and parallel to the component base 1, and three correction structures arranged in an equilateral triangle are installed between the component base 1 and the base 4.

[0017] Each correction structure includes a screw rod 3 arranged in the vertical direction, a circular groove is opened from the middle of the bottom surface of the screw rod 3 to the inside of the screw rod 3, an internal thread is arranged on the annular wall surface of the circular groove, an upper spherical structure is connected to the top of the screw rod 3, an upper groove is opened on the bottom wall of the base 4 at a position corresponding to the upper spherical structure, and the upper part of the upper spherical structure is rotatably connected to the upper groove on the bottom wall of the corresponding support.

[0018] Each of the screw rods 3 is connected to a correction nut 2, a circle of annular grooves is formed on the top wall of the correction nut 2, an external thread is provided on the inner ring wall of the annular groove to form a threaded column, the internal thread of each of the screw rods 3 is threadedly connected with the threaded column on the corresponding correction nut, a lower groove is formed in the middle of the bottom wall of the correction nut 2, a lower spherical structure is rotatably connected in the lower groove, a connecting rod arranged in the vertical direction is fixed at the bottom of the lower spherical structure, and the connecting rod is fixed on the top wall of the component base 1. The correction nut 2 is rotated, and the correction nut 2 moves along the length direction of the correction screw rod 3 through the surface thread of the screw rod 3.

[0019] The bottom of a support 5 arranged in the vertical direction is fixed to the middle of the top wall of the base 4, and the connection method can be welding. A semicircular angle dial 6 is fixedly connected to the middle part of the left wall of the support 5, and the connection method can be welding.

[0020] A spherical structure is provided on the upper part of the left and right side walls of the support 5. The laser flashlight support 7 is composed of two left and right swivels fixedly connected. Spherical grooves are respectively opened on the inner walls of the left and right swivels. The left and right spherical structures on the support 5 are rotatably connected in the spherical grooves of the left and right swivels. The laser flashlight support 7 can rotate around the line connecting the center points of the two spherical structures. The line connecting the center points of the two spherical structures is arranged in the horizontal direction. A laser flashlight 10 is fixed on each of the two swivels. The center axes of the lasers emitted by the two laser flashlights 10 are perpendicular to each other.

[0021] A pointer 8 points to the scale on the angle scale plate 6 and is fixedly connected to the laser torch support 7, and the connection method can be welding connection.

[0022] A threaded hole is opened on the left wall of the laser flashlight support 7, and a threaded rod of a tightening knob 9 is threadedly connected to the threaded hole and the end thereof can be pressed against the side wall of the support 5 so that the laser flashlight support 7 and the support 5 are fixed in position. A circular level 11 is fixed in the middle of the top wall of the support 5.

[0023] The angle scale 6, laser flashlight 10 and circular level 11 are available on the market.

[0024] The method of using this instrument is:

[0025] Rotate the correction nut 2 to adjust the distance between the component base 1 and the base 4 until the bubble in the circular level is in the middle position. At this time, the instrument is leveled. Turn the laser flashlight support 7 until the pointer 8 points to the slope set on the dial 6. Then rotate the tightening knob 9 to fix the flashlight bracket 7 to the support 5, turn on the laser flashlight 10 to emit the laser, the laser angle is the preset slope angle, and then the construction can be carried out according to the angle indicated by the laser. The two laser flashlights in this structure significantly increase the range of the emitted laser beam.

[0026] This instrument can be used for slope and flat surface leveling, and the slope can also be set to 0 degrees for leveling.

Claims

1. A laser slope finder, comprising a component base, a base arranged above the component base and parallel to the component base, characterized in that: Three correction structures arranged in an equilateral triangle are installed between the component base and the base; Each correction structure includes a screw rod arranged in the vertical direction, a circular groove is opened from the middle of the bottom surface of the screw rod to the inside of the screw rod, an internal thread is arranged on the annular wall surface of the circular groove, an upper spherical structure is connected to the top of the screw rod, an upper groove is opened on the bottom wall of the base at a position corresponding to the upper spherical structure, and the upper part of the upper spherical structure is rotatably connected to the upper groove on the bottom wall of the corresponding support; Each of the screw rods is connected to a correction nut, a circle of annular grooves is formed on the top wall of the correction nut, an external thread is provided on the inner ring wall of the annular groove to form a threaded column, the internal thread of each of the screw rods is threadedly connected with the threaded column on the corresponding correction nut, a lower groove is formed in the middle of the bottom wall of the correction nut, a lower spherical structure is rotatably connected in the lower groove, a connecting rod arranged in the vertical direction is fixed to the bottom of the lower spherical structure, and the connecting rod is fixed to the top wall of the component base; The bottom of a support arranged in the vertical direction is fixed in the middle of the top wall of the base, a semicircular angle dial is fixedly connected to the middle of the left wall of the support, a spherical structure is respectively provided on the upper part of the left and right side walls of the support, the laser flashlight support is composed of left and right swivels fixedly connected, spherical grooves are respectively opened on the inner walls of the left and right swivels, the left and right spherical structures on the support are respectively rotatably connected in the spherical grooves of the left and right swivels, the laser flashlight support can rotate around the line connecting the center points of the two spherical structures, the line connecting the center points of the two spherical structures is arranged in the horizontal direction, a laser flashlight is respectively fixed on the two swivels, the central axes of the lasers emitted by the two laser flashlights are perpendicular to each other, a pointer points to the scale on the angle dial and is fixedly connected to the laser flashlight support, a threaded hole is opened on the left wall of the laser flashlight support, a threaded rod of a tightening knob is threadedly connected to the threaded hole and the end can be pressed against the side wall of the support so that the laser flashlight support and the support are fixed, and a circular level is fixed in the middle of the top wall of the support.

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