CN114294524A

CN114294524A - Laser measuring instrument with calibration structure

Info

Publication number: CN114294524A
Application number: CN202210022877.5A
Authority: CN
Inventors: 刘礼兴; 欧海英
Original assignee: Shenzhen Emerson Laser Technology Co ltd
Current assignee: Shenzhen Emerson Laser Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-04-08

Abstract

The invention relates to the technical field of laser measuring instruments, in particular to a laser measuring instrument with a calibration structure, which comprises a laser level meter, a movable plate, an adjusting component, a fixed sleeve and a base, wherein a sawtooth groove is formed in the upper end of the movable plate, a turntable is arranged in the sawtooth groove, the laser level meter is fixed on the upper surface of the turntable, the adjusting component is arranged in the middle of the lower end of the movable plate, a rotating shaft penetrates through the middle of the adjusting component, a pointer is arranged in the middle of two end parts of the rotating shaft, a fixed frame is arranged below the two ends of the rotating shaft, the lower end of the fixed frame is fixed on the upper surface of the base, and the adjusting component and a T-shaped plate at the lower end are matched with each other, so that the horizontal state of the movable plate can be conveniently adjusted, and the measuring error of the laser level meter is reduced.

Description

Laser measuring instrument with calibration structure

Technical Field

The invention relates to the technical field of laser measuring instruments, in particular to a laser measuring instrument with a calibration structure.

Background

Common laser measuring instruments include a laser range finder, a laser level, a laser profile measuring instrument, a laser diameter measuring instrument and the like. Laser level appearance of prior art is when carrying out the test of horizontal direction, because some planes are not horizontal, and the unaided eye can't accurately distinguish, leads to the measurement of level appearance to produce the error, influences survey and drawing data and other calculated results, and laser level appearance need wholly rotate the device when using simultaneously and just can measure other bottoms, and the laser level appearance after the removal rocks after removing easily, leads to the measuring result of level appearance to go out the problem easily.

Disclosure of Invention

It is an object of the present invention to provide a laser measuring instrument with a calibration structure to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a laser measuring instrument with a calibration structure comprises a laser level meter, a movable plate, an adjusting component, a fixed sleeve and a base, wherein horizontal and vertical lasers are arranged on the laser level meter, a sawtooth groove is formed in the upper end of the movable plate, a turntable is arranged in the sawtooth groove, the laser level meter is fixed on the upper surface of the turntable, the adjusting component is arranged in the middle of the lower end of the movable plate, a rotating shaft penetrates through the middle of the adjusting component, a circular groove is formed in the middle of two end portions of the rotating shaft, a pointer is connected in the circular groove through a bearing, fixed frames are arranged below two ends of the rotating shaft, the lower ends of the fixed frames are fixed on the front side and the rear side of the middle of the upper surface of the base, the fixed sleeves are arranged on the inner side surfaces of the two fixed frames, springs are arranged in inner cavities of the fixed sleeves, the upper ends of the springs are fixed in the middle of the lower surfaces of the T-shaped plates, the lower ends of the T-shaped plates are inserted into the inner sides of the springs, and the upper ends of the T-shaped plates are abutted against the lower ends of the adjusting component, four corners of the lower end of the base are provided with support legs.

Preferably, a fixed seat with a T-shaped cross section is fixed at the bottom of the sawtooth groove, a clamping groove with the shape identical to that of the fixed seat is formed in the lower surface of the rotary table, the fixed seat is clamped in the clamping groove, and sawteeth are arranged on the outer side surface of the rotary table.

Preferably, the lower surface of carousel is close to outside edge and is provided with a plurality of balls that are the circumference and distribute, and the ring groove has been seted up to the outside end of the tank bottom of sawtooth groove, and the tank bottom of ring groove is circular-arcly, and the lower extreme sliding connection of ball is in the ring groove.

Preferably, the adjusting component comprises a fixing column, a support, a long plate and a roller, the outer diameter of each of two ends of the fixing column is larger than that of the middle ring, the upper end of the rod body in the middle of the fixing column is in a horizontal shape, a through hole is formed in the middle of the fixing column, and the inner diameter of the through hole is consistent with that of the rotating shaft.

Preferably, two supports are fixed at two ends of the rod body in the middle of the fixing column, the supports are bilaterally symmetrical in two downward slopes, a round hole is formed in the middle of the circular outer side end of each support, a round notch is formed in the middle of the outer side end of each support, rollers are clamped in the inner sides of the notches, and the round holes formed in the end portions of the notches are penetrated through two ends of the round rod penetrating through the middle of each roller.

Preferably, the two sides of the upper end of the rod body of the fixed column are fixedly provided with long plates, the long plates are bilaterally symmetrical by taking the central axis of the fixed column as a symmetry axis, the lower end of each long plate is abutted against the upper end of the corresponding roller, the two ends of each long plate are fixedly provided with supporting plates, the upper ends of the supporting plates are abutted against the lower surface of the movable plate, and the middle fixed ball body at the upper end of each supporting plate is clamped in a ball groove formed in the lower surface of the movable plate.

Preferably, threaded holes are formed in four corners of the lower surface of the base, supporting legs are screwed in the threaded holes, the upper ends of the supporting legs are threaded rods, the lower ends of the supporting legs are in a circular truncated cone shape, and supporting rods inclining towards the outside are arranged on the lower surfaces of the supporting legs of the circular truncated cone.

Preferably, the both sides of fixed cover are seted up the bevel connection of slope, and the centre of the lower extreme of T shaped plate is cylindrical, and the cylindrical inner chamber of fixed cover that inserts of T shaped plate is fixed with the spring between the cylindrical outside of T shaped plate and the tank bottom of fixed cover, and T shaped plate upper end is squarely, and the upper surface of T shaped plate supports the lower extreme at the gyro wheel.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the laser measuring instrument with the calibration structure provided by the invention is convenient for the rotation of the laser level meter and multi-directional measurement through the turntable, and the horizontal state of the movable plate is convenient to adjust and the measurement error of the laser level meter is reduced through the mutual matching of the adjusting assembly arranged at the lower end of the movable plate and the T-shaped plate at the lower end;

2. the ball arranged at the lower end of the turntable arranged at the upper end of the laser measuring instrument with the calibration structure is connected in the annular groove arranged at the bottom of the sawtooth groove in a sliding manner, so that the turntable can conveniently drive the laser level meter to rotate, and the turntable can conveniently stop through the sawtooth;

3. the adjusting assembly is arranged at the lower end of the movable plate of the laser measuring instrument with the calibration structure, so that the movable plate is convenient to level, the lower end of the long plate is abutted by the roller wheel, the lower end of the roller wheel is abutted by the upper end of the T-shaped plate, the T-shaped plate is limited by the fixing sleeve, and the T-shaped plate is convenient to push the roller wheel through the elasticity of the spring, so that the long plate is convenient to level.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a three-dimensional view of the present invention;

FIG. 4 is a three-dimensional view of the lower end structure of the moving plate according to the present invention;

FIG. 5 is an exploded three-dimensional view of the moving plate and base of the present invention;

fig. 6 is an exploded three-dimensional view of the conditioning assembly of the present invention.

In the figure: 1. a laser level; 2. moving the plate; 21. a sawtooth groove; 22. a fixed seat; 23. a circular groove; 24. a turntable; 25. a card slot; 26. a ball bearing; 3. an adjustment assembly; 31. fixing a column; 32. a support; 33. a notch; 34. a long plate; 35. a support plate; 36. a roller; 37. a round bar; 4. a rotating shaft; 41. a circular groove; 42. a pointer; 5. fixing a sleeve; 51. a bevel opening; 52. a spring; 53. a T-shaped plate; 6. a base; 61. a support leg; 62. a threaded hole; 63. a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a laser measuring instrument with a calibration structure comprises a laser level 1, a movable plate 2, an adjusting component 3, a fixed sleeve 5 and a base 6, wherein horizontal and vertical laser is arranged on the laser level 1, a sawtooth groove 21 is formed in the upper end of the movable plate 2, a rotary table 24 is arranged in the sawtooth groove 21, a fixed seat 22 with a T-shaped cross section is fixed at the bottom of the sawtooth groove 21, a clamping groove 25 with the shape consistent with that of the fixed seat 22 is formed in the lower surface of the rotary table 24, the fixed seat 22 is clamped in the clamping groove 25 to prevent the rotary table 24 from falling and facilitate the rotation of the rotary table 24, sawteeth are arranged on the outer side surface of the rotary table 24 to facilitate the pause fixation when the rotary table 24 rotates, a plurality of balls 26 distributed in a circumferential manner are arranged on the lower surface of the rotary table 24 close to the outer side edge, a circular groove 23 is formed in the outer side end of the bottom of the sawtooth groove 21, and the bottom of the circular groove 23 is arc-shaped, the lower extreme sliding connection of ball 26 reduces the frictional force between carousel 24 and the sawtooth groove 21 in ring groove 23, makes things convenient for the rotation of carousel 24, and the upper surface of carousel 24 is fixed with laser level 1 to convenient unmovable laser level 1 can diversely measure.

An adjusting component 3 is arranged in the middle of the lower end of the moving plate 2, a rotating shaft 4 penetrates through the middle of the adjusting component 3, the adjusting component 3 can rotate by taking the rotating shaft 4 as a rotating shaft, the adjusting component 3 comprises a fixing column 31, a support 32, a long plate 34 and rollers 36, the outer diameter of two ends of the fixing column 31 is in a circular ring shape, the outer diameter of the middle of the fixing column 31 is larger than that of the middle of the fixing column, the upper end of a rod body in the middle of the fixing column 31 is horizontal, the upper end of the fixing column 31 can be kept horizontal conveniently, a through hole is formed in the middle of the fixing column 31, the inner diameter of the through hole is consistent with that of the rotating shaft 4, the two supports 32 inclining downwards are fixed at two ends of the rod body in the middle of the fixing column 31, a circular hole is formed in the middle of the outer side end of the support 32, a circular notch 33 is formed in the middle of the outer side end of the support 32, the rollers 36 are clamped with the rollers 36, two ends of a circular rod 37 penetrating through the middle of the notch 33 are formed in a circular hole formed in the end of the notch 33, the rotation of the roller 36 is facilitated, the two sides of the upper end of the rod body of the fixed column 31 are fixed with the long plates 34, the friction force between the long plates 34 is reduced through the roller 36, the long plates 34 are bilaterally symmetrical by taking the central axis of the fixed column 31 as a symmetry axis, the adjusting component 3 is ensured to be kept in a horizontal state in a normal state, the lower end of each long plate 34 is abutted against the upper end of the roller 36, the two ends of each long plate 34 are both fixed with the supporting plates 35, the upper ends of the supporting plates 35 are abutted against the lower surface of the moving plate 2, the upper ends of the supporting plates 35 are conveniently ensured to be abutted against the upper end of the moving plate 2 in a horizontal state, so that the laser level 1 is convenient to work, the middle fixed ball body at the upper ends of the supporting plates 35 is clamped in the ball groove formed in the lower surface of the moving plate 2, the moving plate 2 is conveniently fixed at the upper end of the adjusting component 3, meanwhile, when the adjusting component 3 is inclined, the ball body at the upper ends of the supporting plates 35 can move in the ball groove, when the adjusting component 3 is inclined, therefore, the horizontal condition of the movable plate 2 is conveniently amplified, the roller 36 is conveniently supported at the lower end of the long plate 34, and the horizontal state of the adjusting assembly 3 is conveniently adjusted.

The middle of two tip of pivot 4 has seted up circular slot 41, the bearing is connected with pointer 42 in circular slot 41, make things convenient for the rotation of pointer 42, make things convenient for the tail end of pointer 42 to be in the vertical form all the time, be convenient for observe the contained angle between pointer 42 and the adjusting part 3, the below at the both ends of pivot 4 is provided with mount 61, conveniently support pivot 4, the lower extreme of mount 61 is fixed in the front and back both sides in the middle of the upper surface of base 6, the medial surface of two mount 61 all is provided with fixed cover 5, the both sides of fixed cover 5 are seted up the bevel connection 51 of slope, be provided with spring 52 in the inner chamber of fixed cover 5, the upper end of spring 52 is fixed in the middle of the lower surface of T shaped plate 53, when T shaped plate 53 inclines about the upper end of bevel connection 51, the middle of the lower extreme of T shaped plate 53 is cylindrical, the cylindrical of T shaped plate 53 inserts in the inner chamber of fixed cover 5, it is convenient to be spacing to T shaped plate 53 through fixed cover 5, reduce T-shaped plate 53's inclination, be fixed with spring 52 between the cylindrical outside of T-shaped plate 53 and the tank bottom of fixed cover 5, T-shaped plate 53 upper end is squarely, T-shaped plate 53's upper surface supports the lower extreme at gyro wheel 36, the T-shaped plate 53 that makes things convenient for the downward sloping through spring 52 upwards supports on gyro wheel 36, thereby guarantee the level of upper end movable plate 2 through adjusting part 3, the four corners of the lower extreme of base 6 is provided with stabilizer blade 62, threaded hole 63 has been seted up at the lower surface four corners of base 6, threaded connection has stabilizer blade 62 in the threaded hole 63, conveniently adjust base 6, the upper end of stabilizer blade 62 is the screw rod, the lower extreme of stabilizer blade 62 is the round platform form, the lower surface of the stabilizer blade 62 of round platform is provided with the convenient support area that increases stabilizer blade 62 to the branch of outside slope.

The working principle is as follows: in actual operation, the laser level meter 1 is fixed on the upper surface of a turntable 24 arranged in a sawtooth groove 21 formed in the middle of the upper surface of a moving plate 2, a fixing seat 22 fixed at the bottom of the sawtooth groove 21 is clamped in a clamping groove 25 formed in the middle of the lower surface of the turntable 24 to prevent the turntable 24 from falling off, a plurality of balls 26 arranged on the lower surface of the turntable 24 are slidably connected in an annular groove 23 formed in the bottom of the sawtooth groove 21 to reduce friction force to facilitate rotation of the turntable 24, the rotation of the turntable 24 is facilitated by sawteeth arranged on the outer side of the turntable 24 and the inner side surface of the sawtooth groove 21, the turntable 24 is facilitated to pause and fix when rotating, so that the laser level meter 1 can rotate and conveniently work, a rotating shaft 4 penetrates through the middle of an adjusting component 3 arranged at the lower end of the moving plate 2, the adjusting component 3 can rotate by taking the rotating shaft 4 as a rotating shaft, and fixing frames 61 are arranged at the two ends of the rotating shaft 4 to facilitate supporting the rotating shaft 4, the fixing frame 61 is fixed at the upper end of the base 6, the support legs 62 are screwed in threaded holes 63 formed in the lower surface of the fixing frame 61, the horizontal state of the base 6 is convenient to adjust, the supporting area of the support legs 62 is convenient to increase by the support columns arranged at the lower ends of the circular truncated cone shapes of the support legs 62, the stability of the base 6 is convenient to guarantee, the circular grooves 41 formed at the two ends of the rotating shaft 4 are in bearing connection with the pointers 42, the rotation of the pointers 42 is convenient, the tail ends of the pointers 42 are always in a vertical state, the included angle between the pointers 42 and the adjusting component 3 is convenient to observe, the base 6 is convenient to adjust, the adjusting component 3 is convenient to drive to finely adjust, the horizontal state of the moving plate 2 is convenient to guarantee, the rotating shaft 4 penetrates through a through hole in the middle of the fixing column 31 in the middle of the adjusting component 3, two bilaterally symmetrical supports 32 are fixed on the front side and the back side of the rod body of the fixing column 31, and the idler wheels 36 are clamped in gaps 33 formed in the outer side ends of the supports 32, the two ends of a round rod 37 penetrating through the middle of the roller 36 penetrate through the outer side end of the bracket 32 to facilitate the rotation of the roller 36, the two sides of the upper end of the rod body of the fixed column 31 are fixed with horizontal long plates 34, the upper ends of the supporting plates 35 arranged at the two ends of the long plates 34 are abutted against the lower surface of the moving plate 2 to facilitate the horizontal upper end of the moving plate 2 when the supporting plates 35 are tightly attached to the moving plate 2 and are also supported at the lower end of the moving plate 2 to facilitate the work of the laser level meter 1, meanwhile, the ball fixed at the upper end of the supporting plates 35 is clamped in the ball groove formed at the lower end of the moving plate 2 to facilitate the fixing of the moving plate 2 at the upper end of the adjusting component 3, and simultaneously facilitate the movement of the ball at the upper end of the supporting plates 35 in the ball groove when the adjusting component 3 is inclined, and the lower ends of the long plates 34 are abutted against the roller 36 when the adjusting component 3 is inclined, thereby facilitating the amplification of the horizontal condition of the moving plate 2, the roller 36 is supported at the lower end of the long plate 34 conveniently, the lower end of the roller 36 abuts against the upper end of a T-shaped plate 53 arranged in the inner cavity of the fixing sleeve 5, a spring 52 is fixed between the middle of the square lower surface of the T-shaped plate 53 and the groove bottom of the fixing sleeve 5, the cylinder of the lower end of the T-shaped plate 53 is inserted into the inner cavity of the fixing sleeve 5, the inclination degree of the T-shaped plate 53 is reduced conveniently, inclined ports 51 formed in two sides of the fixing sleeve 5 facilitate the left and right inclination of the upper end of the T-shaped plate 53, the T-shaped plate 53 inclined downwards conveniently abuts against the roller 36 upwards through the elasticity of the spring 52, so that the level of the upper end moving plate 2 is ensured through the adjusting component 3, when the laser level 1 works, the vertical state of the pointer 42 is compared with the fixing frame 61, meanwhile, the horizontal state of the base 6 is observed conveniently through the change of the included angle between the pointer 42 and the adjusting component 3, so that the horizontal state of the laser level 1 is ensured conveniently through the adjusting base 6, therefore, the measuring error of the laser level meter 1 is reduced, and meanwhile, the adjusting component 3 is convenient to be finely adjusted through the elasticity of the spring 52, so that the level of the moving plate 2 is convenient to ensure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser measuring instrument with calibration structure, includes laser level appearance, movable plate, adjusting part, fixed cover and base, is provided with level and vertically laser on the laser level appearance, its characterized in that: the upper end of the moving plate is provided with a sawtooth groove, a turntable is arranged in the sawtooth groove, and a laser level meter is fixed on the upper surface of the turntable;

an adjusting assembly is arranged in the middle of the lower end of the moving plate, a rotating shaft penetrates through the middle of the adjusting assembly, a circular groove is formed in the middle of two end parts of the rotating shaft, a pointer is connected to a bearing in the circular groove, a fixing frame is arranged below two ends of the rotating shaft, and the lower end of the fixing frame is fixed to the front side and the rear side of the middle of the upper surface of the base;

the medial surface of two mounts all is provided with fixed cover, is provided with the spring in the inner chamber of fixed cover, and the middle at the lower surface of T shaped plate is fixed to the upper end of spring, and the lower extreme of T shaped plate inserts the spring inboard, and the upper end of T shaped plate supports the lower extreme at adjusting part, and the four corners of the lower extreme of base is provided with the stabilizer blade.

2. The laser measuring instrument with the calibration structure as set forth in claim 1, wherein: the fixing base that the tank bottom of serration groove is fixed with the cross-section and is the T font, and the draw-in groove that the shape is unanimous with the fixing base is seted up to the lower surface of carousel, and the fixing base joint is in the draw-in groove, and the lateral surface of carousel is provided with the sawtooth.

3. The laser measuring instrument with the calibration structure as set forth in claim 1, wherein: the lower surface of carousel is close to outside edge and is provided with a plurality of balls that are the circumference and distribute, and the ring groove has been seted up to the outside end of the tank bottom of sawtooth groove, and the tank bottom of ring groove is circular-arcly, and the lower extreme sliding connection of ball is in the ring groove.

4. The laser measuring instrument with the calibration structure as set forth in claim 1, wherein: the adjusting component comprises a fixing column, a support, a long plate and a roller, the outer diameter of the two ends of the fixing column is larger than that of the middle ring, the upper end of the rod body in the middle of the fixing column is in a horizontal shape, a through hole is formed in the middle of the fixing column, and the inner diameter of the through hole is consistent with that of the rotating shaft.

5. The laser measuring instrument with the calibration structure as set forth in claim 4, wherein: the both ends of the pole body in the middle of the fixed column all are fixed with two supports, the support bilateral symmetry of two downward sloping, and the round hole has been seted up in the middle of the annular outside end of support, and the circular shape breach has been seted up in the middle of the outside end of support, and the inboard joint of breach has the gyro wheel, and the round hole that the tip of breach was seted up is run through at the both ends of the round bar that the centre of gyro wheel run through.

6. The laser measuring instrument with the calibration structure as set forth in claim 4, wherein: the upper end of the rod body of the fixed column is fixedly provided with long plates at two sides, the long plates are bilaterally symmetrical by taking the central axis of the fixed column as a symmetry axis, the lower ends of the long plates are abutted against the upper ends of the rollers, supporting plates are fixed at two ends of each long plate, the upper ends of the supporting plates are abutted against the lower surface of the movable plate, and a ball fixed in the middle of the upper ends of the supporting plates is clamped in a ball groove formed in the lower surface of the movable plate.

7. The laser measuring instrument with the calibration structure as set forth in claim 1, wherein: threaded holes are formed in four corners of the lower surface of the base, supporting legs are screwed in the threaded holes, the upper ends of the supporting legs are threaded rods, the lower ends of the supporting legs are in a round table shape, and supporting rods inclining towards the outside are arranged on the lower surfaces of the supporting legs of the round table.

8. The laser measuring instrument with the calibration structure as set forth in claim 4, wherein: the bevel connection of slope is seted up to the both sides of fixed cover, and the centre of the lower extreme of T shaped plate is cylindrical, and the cylindrical inner chamber of fixed cover that inserts of T shaped plate is fixed with the spring between the cylindrical outside of T shaped plate and the tank bottom of fixed cover, and T shaped plate upper end is squarely, and the upper surface of T shaped plate supports the lower extreme at the gyro wheel.