CN116839623A

CN116839623A - Calibrating device for plumb aligner and using method thereof

Info

Publication number: CN116839623A
Application number: CN202310434239.9A
Authority: CN
Inventors: 邰俊
Original assignee: Dongguan Dien Detection Co ltd
Current assignee: Dongguan Dien Detection Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-10-03

Abstract

The invention provides a calibrating device of a plumb bob and a using method thereof, belonging to the technical field of calibrating of plumb bob, and comprising a base, an installation seat, a lifting seat, a positioning table, a fine tuning mechanism, a lower pentaprism, an upper pentaprism, a sliding rail frame, an upper reflecting mechanism, a digital receiving target and a digital display system, wherein: the mounting seat is fixedly connected to the top of the base, and the top of the mounting seat is fixedly connected with a door-shaped frame; the lifting seat is fixedly connected to the center of the top of the mounting seat; the positioning table is arranged on the upper side of the lifting seat, a horizontal rotating mechanism is arranged in the positioning table for horizontally adjusting the angle, a rotating table is arranged on the upper side of the positioning table, a top cover is fixedly connected to the upper side of the rotating table, a tested instrument is placed on the upper side of the top cover, and laser is vertically emitted up and down when the tested instrument is started; compared with the existing single-reflection laser, the refraction distance of the laser is greatly increased, the calibration range of a laser path is enlarged, the calibration precision is improved, and the calibration result is more accurate by utilizing the spot position change data under various change conditions.

Description

Calibrating device for plumb aligner and using method thereof

Technical Field

The invention belongs to the technical field of calibrating a plumb aligner, and particularly relates to a plumb aligner calibrating device and a using method thereof.

Background

The plumb line measuring instrument is used for measuring the tiny deviation relative to the plumb line and carrying out the positioning transmission of the plumb line by utilizing a visible laser which coincides with a sight axis, and is widely used for construction and installation of high-rise buildings, high towers, chimneys, elevators and large-scale mechanism equipment.

The prior art discloses a Chinese patent with the application number of CN201010539476.4, and discloses a device for calibrating a plumb aligner, wherein a plumb aligner placement cabin and an operation platform are arranged on a stand column, the plumb aligner placement cabin and the operation platform are connected with a laser mirror cabin through a support column, the laser mirror cabin is connected with a fine adjustment cabin through the support column, and a coarse adjustment head is arranged on the fine adjustment cabin; the coarse adjustment head is provided with a plurality of coarse adjustment screws. The invention provides a device and a method for calibrating a plumb gauge, which uses a plumb gauge vertical axis and a zenith/bottoming standard (or a long-distance fixed standard) after the calibration of a level gauge as dynamic references to calibrate a sight axis and a laser optical axis. In the calibration process, the calibrated plumb gauge always keeps the leveling state when in use, the 'seeking' task is completely handed to the zenith/bottoming standard to finish, and the influence of the inclination 'seeking' of the plumb gauge on the uncertainty of the calibration result in the traditional method is greatly reduced. In addition, the number of times of adjustment is fewer, the time is shorter, the calibration accuracy is higher, and the operation is more convenient.

However, along with the rapid development of national economy, the demands on the plumb aligner are larger and larger, the accuracy demands on the plumb aligner are higher and higher, the plumb aligner in the factory and the use process needs to be calibrated and adjusted, otherwise, the use of the misaligned or damaged plumb aligner can lead to huge potential safety hazards of the building engineering, the calibration of the common plumb aligner is only through two reflections, the distance of a laser reflection path is shorter, the instantaneous measurement accuracy is higher but the possibility is felt, and the calibration accuracy is influenced, so that the calibrating device of the plumb aligner and the use method thereof are provided.

Disclosure of Invention

The invention aims to provide a calibrating device for a plumb bob and a using method thereof, which aim to solve at least one technical problem in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a plumb bob calibration device comprising:

a base;

the mounting seat is fixedly connected to the top of the base, and the top of the mounting seat is fixedly connected with a door-shaped frame;

the lifting seat is fixedly connected to the center of the top of the mounting seat;

the positioning table is arranged on the upper side of the lifting seat, a horizontal rotating mechanism is arranged in the positioning table for horizontally adjusting an angle, a rotating table is arranged on the upper side of the positioning table, a top cover is fixedly connected to the upper side of the rotating table, a tested instrument is placed on the upper side of the top cover, and laser is vertically emitted from top to bottom when the tested instrument is started;

the fine tuning mechanism is arranged between the lifting seat and the positioning table and is used for fine tuning the horizontal angle of the positioning table after being installed;

the lower pentaprism is arranged in the lifting seat and is used for refracting the downward emitted laser;

an upper pentaprism fixedly connected to the lower inner wall of the gate-shaped frame for refracting upward laser light;

the sliding rail frame is arranged at the top of the base, and a plurality of groups of sliding frames are arranged on the sliding rail frame in a sliding way;

the upper reflection mechanism is movably arranged on the upper side of the sliding rail frame through the sliding frame and is used for receiving laser after refraction of the collimating lower pentaprism;

the digital receiving target is arranged at one side of the door-shaped frame and is used for receiving laser after being refracted by the upper pentaprism; and

the digital display system is arranged on the base and is used for recording the spot displacement data of laser so as to calibrate.

As a preferable scheme of the invention, the surface of the lifting seat is provided with a manual adjusting part, the top of the extending end of the lifting seat is fixedly connected with a double-layer hollow frame, the lower pentaprism is fixedly connected in the double-layer hollow frame, and the fine adjusting mechanism comprises:

the backing plate is fixedly connected to the top of the double-layer hollowed-out frame;

the screw, it is provided with a plurality of and evenly distributed in the backing plate top, and its bottom equal threaded connection has the fine setting nut, every the fine setting nut all runs through the screw and upwards extends, every the top of fine setting nut all articulates there is the rotatory piece, every rotatory piece all rotates the bottom of connecting in the locating bench.

As a preferable scheme of the invention, the horizontal rotation mechanism comprises a damping sleeve, a knob, a first pinion and a first large gear, a hollow shaft is arranged at the center of the positioning table, the damping sleeve is rotationally connected to the circumferential surface of the hollow shaft, the first large gear is fixedly connected to the circumferential surface of the damping sleeve, the knob is rotationally connected to the bottom of the positioning table, the first pinion is positioned in the positioning table, one end of the knob is fixedly connected to the first pinion, and the first pinion is meshed with the first large gear.

As a preferred aspect of the present invention, the positioning mechanism includes:

the second large gear is rotationally connected to the lower inner wall of the rotary table;

the second pinions are provided with a plurality of second pinions and are connected to the lower inner wall of the rotary table in a sliding manner, and the second pinions are meshed with the second pinions;

the racks are provided with a plurality of racks which are all in sliding connection with the lower inner wall of the rotary table, are respectively meshed with the second pinion which is close to the racks, the tops of the racks are all fixedly connected with rubber blocks, the tops of the top covers are provided with a plurality of limit grooves, each rubber block is in sliding connection with the corresponding limit groove, each rubber block is positioned on the upper side of the corresponding limit groove, and the instrument to be tested is positioned among the plurality of rubber blocks;

the micro fluted disc is rotationally connected to the lower inner wall of the rotary table, one side of the micro fluted disc extends to the outer side of the rotary table and is contacted with one of the second pinions;

one side of the clamping block spring is contacted with the micro fluted disc, and one end of the clamping block spring penetrates through the rotary table in a sliding manner and extends outwards; and

the limiting block is fixedly connected to the lower inner wall of the rotary table, the other end of the clamping block spring penetrates through the limiting block in a sliding mode, and the clamping block spring is sleeved at a position close to the limiting block.

As a preferable scheme of the invention, each group of sliding frames comprises a sliding sleeve and vertical rods, the sliding sleeve is connected to the track surface of the sliding rail frame in a sliding manner, the vertical rods are fixedly connected to the top of the sliding sleeve, and reinforcing plates are fixedly connected between two adjacent vertical rods.

As a preferable scheme of the invention, the upper reflecting mechanism comprises a first upper reflecting mechanism, a second upper reflecting mechanism and a two-dimensional coordinate plate, wherein the first upper reflecting mechanism, the second upper reflecting mechanism and the two-dimensional coordinate plate are respectively and fixedly connected to the top of a corresponding vertical rod, and laser refracted by the lower pentaprism passes through the first upper reflecting mechanism, the second upper reflecting mechanism and finally is refracted to the two-dimensional coordinate plate.

As a preferable scheme of the invention, the top of the sliding rail frame is fixedly connected with an extension rod, the top of the extension rod is fixedly connected with an upper cooperation reflector, laser refracted by the upper pentaprism is refracted to a digital receiving target through the upper cooperation reflector, and a displacement mechanism is arranged on one side of the digital receiving target, which is close to the door-shaped frame.

As a preferable scheme of the invention, the displacement mechanism comprises a shell, a ball screw, a screw sleeve and a servo motor, wherein the shell is fixedly connected to the side part of the door-shaped frame, the ball screw is rotationally connected between the upper inner wall and the lower inner wall of the shell, the screw sleeve is slidingly connected in the shell, the screw sleeve is in threaded connection with the circumferential surface of the ball screw, the servo motor is fixedly connected to the top of the shell, the output end of the servo motor is fixedly connected to the ball screw, the side part of the screw sleeve is fixedly connected with a horizontal plate, the digital receiving target is fixedly connected to the top of the horizontal plate, and a grating ruler is arranged at the position, close to the shell, of the horizontal plate.

As a preferable scheme of the invention, the digital display system comprises a digital display table and a computer platform, wherein the digital display table is fixedly connected to the top of the door-shaped frame, the digital display table is in telecommunication connection with the grating ruler, the computer platform is fixedly connected to the top of the base, and the digital display table is in telecommunication connection with the computer platform.

The application method of the calibrating device of the plumb bob comprises the following steps:

s1, horizontally placing a tested instrument on the upper side of a top cover, then poking a micro fluted disc, driving one of second pinions to rotate through the micro fluted disc, and under the meshing action, driving the second pinions to rotate, and driving the other second pinions to synchronously rotate by the second pinions so as to drive a plurality of racks to synchronously move towards the center of a rotary table, so that the tested instrument is clamped between a plurality of rubber blocks, and the mounting work of the tested instrument is completed;

s2, starting a tested instrument to emit laser to the upper side and the lower side, refracting the laser at the upper side to the upper cooperation reflector through an upper pentaprism, refracting the laser to the digital receiving target through the upper cooperation reflector, rotating a servo motor to drive a ball screw to rotate, and driving a screw rod sleeve to move up and down so that the digital receiving target can receive the final position of the laser and form a light spot, converting an optical signal into a digital signal through the digital receiving target, transmitting the digital signal to a computer platform, and displaying the light spot position of the laser through the computer platform so that coordinate data displayed on the computer platform is positioned at the center;

s3, enabling laser emitted downwards by the instrument to be tested to pass through the center of the base plate, then refracting the laser to the first upper reflecting mechanism through the lower pentaprism, orderly refracting the laser to the surface of the two-dimensional coordinate plate through the first upper reflecting mechanism, the second upper reflecting mechanism and the second upper reflecting mechanism, finally refracting the laser to form light spots, and recording position data of the light spots at the two-dimensional coordinate plate;

s4, operating a fine adjustment mechanism according to the position of the light spot at the two-dimensional coordinate plate, rotating a fine adjustment nut to drive a rotating block to rotate and move up and down slowly, driving a certain angle of a positioning table to move up and down slowly, finally driving the inclination angle of a tested instrument to emit change, moving the light spot position at the two-dimensional coordinate plate along with the rotation of the rotating block, controlling the light spot position to move to the center of the two-dimensional coordinate plate, recording telescopic length data of the fine adjustment nut, namely angle change data corresponding to the positioning table, and recording light spot position change data at a computer platform;

s5, moving the position of the upper reflecting mechanism, linearly moving the upper reflecting mechanism under the limit of the sliding frame, emitting and changing the position of the upper reflecting mechanism, emitting and changing the distance of the laser refraction path, recording the distance change data of the laser path, and observing whether the position of the light spot at the two-dimensional coordinate plate is changed or not;

s6, repeating the steps S3 to S5 for a plurality of times, comparing the two-dimensional coordinate plate with the computer platform to display light spot position data, and calibrating the tested instrument according to the light spot position data change.

Compared with the prior art, the invention has the beneficial effects that:

1. in this scheme, the equal hollow design in center of locating bench, revolve platform, hollow shaft and top cap, the laser of instrument downward shot is surveyed can pass the locating bench, revolve platform, hollow shaft and top cap, reflect to first reflection mechanism in through lower pentaprism, first reflection mechanism in going up, reflection mechanism in the second, reflection mechanism and two-dimensional coordinate board arrange around lower pentaprism in the second, reflection mechanism in the first, reflection mechanism in the second and two-dimensional coordinate board are located the both sides of mount pad respectively, and homonymy parallel arrangement, can drive first reflection mechanism in the second through the carriage that removes both sides, reflection mechanism in the second and two-dimensional coordinate board remove, make laser refraction distance change, compare current singly reflected laser, greatly increased the refractive distance of laser path, the calibration range of laser path is increased, the calibration precision is improved, the position change data of the two-dimensional coordinate board department facula under the different distances is compared, be favorable to measuring and calculating the laser position error.

2. In this scheme two-dimensional coordinate board department facula position is along with the instrument angle variation that is surveyed, control facula position moves to the center department of two-dimensional coordinate board, record fine setting nut flexible length data, location platform corresponds angle variation data promptly, and record computer platform department facula position variation data, then rotate the knob and drive first pinion and rotate, first pinion drives first gear wheel and rotates, first gear wheel drives and revolves the platform and rotate, drive the instrument level rotation of being surveyed at last, adjustable instrument's horizontal angle, facula position variation data under the record coplanar, utilize the facula position variation data under the multiple change condition, make the calibration result more accurate, avoid single measurement contingency, stop the instrument of being surveyed and produce the hidden danger when the construction is used.

3. The partial structure of micro-fluted disc is located the outside of revolving stage in this scheme, can drive one of them second pinion through rotating micro-fluted disc and rotate, drives a plurality of rubber blocks at last and removes, plays driven effect, and initial state is under elastic action, and the fixture block spring can block micro-fluted disc and rotate, needs to press the fixture block spring, makes fixture block spring and micro-fluted disc's contact surface separation, can block micro-fluted disc automatically after the fixture block spring loosens and rotate, the position of fixed rubber block promptly, plays the effect of auto-lock, and rational in infrastructure is complete, and convenient fixed mounting dismantles the instrument of being surveyed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

In the drawings:

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a side elevational structural view of the present invention;

FIG. 3 is a view showing the construction of a door frame according to the present invention;

FIG. 4 is an exploded view of the fine adjustment mechanism of the present invention;

FIG. 5 is an exploded view of the positioning mechanism of the present invention;

FIG. 6 is a diagram of the internal structure of the turntable of the present invention;

FIG. 7 is a block diagram of a carriage of the present invention;

FIG. 8 is a block diagram of a displacement mechanism according to the present invention;

FIG. 9 is a diagram of the light path of the lower pentaprism of the present invention;

fig. 10 is a diagram of the light path of the upper pentaprism of the present invention.

The reference numerals in the figures illustrate:

1. a base;

2. a mounting base; 201. a door-shaped frame;

3. a lifting seat; 301. a manual adjustment section; 302. double-layer hollowed-out frame;

4. a lower pentaprism;

5. a fine adjustment mechanism; 501. a backing plate; 502. a screw hole; 503. a fine tuning nut; 504. a rotating block;

6. a positioning table; 601. a rotary table; 602. a hollow shaft; 603. a top cover; 6031. a limit groove;

7. a horizontal rotation mechanism; 701. a damping sleeve; 702. a knob; 703. a first pinion gear; 704. a first gearwheel;

8. a positioning mechanism; 801. a second gearwheel; 802. a second pinion gear; 803. a rack; 804. a rubber block; 805. a micro fluted disc; 806. a clamping block; 807. a limiting block; 808. a spring;

9. a measured instrument; 10. a penta prism is arranged on the upper surface; 11. a digital display table;

12. a horizontal plate; 1201. a grating ruler;

13. a displacement mechanism; 1301. a housing; 1302. a ball screw; 1303. a screw rod sleeve; 1304. a servo motor;

14. a digital receiving target; 15. a slide rail frame;

17. a carriage; 1701. a sliding sleeve; 1702. a vertical rod; 1703. a reinforcing plate;

18. an upper reflection mechanism; 1801. a first upper reflection mechanism; 1802. a second upper reflection mechanism; 1803. a second upper reflection mechanism; 1804. a second upper reflection mechanism; 1805. a two-dimensional coordinate plate;

19. an extension rod; 20. an upper cooperating reflector; 21. a computer platform.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1 to 10, the technical solution provided in this embodiment is as follows:

the utility model provides a plumb standard calibrating device, includes base 1, mount pad 2, elevating system 3, locating platform 6, fine setting mechanism 5, lower pentaprism 4, go up pentaprism 10, slide rail frame 15, last reflection mechanism 18, digital receiving target 14 and digital display system constitution, wherein:

the mounting seat 2 is fixedly connected to the top of the base 1, and the top of the mounting seat is fixedly connected with a door-shaped frame 201;

the lifting seat 3 is fixedly connected to the center of the top of the mounting seat 2;

the positioning table 6 is arranged on the upper side of the lifting seat 3, a horizontal rotating mechanism 7 is arranged in the positioning table to horizontally adjust the angle, a rotating table 601 is arranged on the upper side of the positioning table, a top cover 603 is fixedly connected on the upper side of the rotating table 601, a tested instrument 9 is placed on the upper side of the top cover 603, and laser is vertically emitted from top to bottom when the tested instrument 9 is started;

the fine adjustment mechanism 5 is arranged between the lifting seat 3 and the positioning table 6 and is used for fine adjustment of the horizontal angle of the positioning table 6 after installation;

the lower pentaprism 4 is arranged inside the lifting seat 3 and is used for refracting the downward emitted laser;

the upper pentaprism 10 is fixedly connected to the lower inner wall of the gantry 201 for refracting upward laser light;

the sliding rail frame 15 is arranged at the top of the base 1, and a plurality of groups of sliding frames 17 are arranged on the upper side of the sliding rail frame in a sliding way;

the upper reflection mechanism 18 is movably arranged on the upper side of the slide rail frame 15 through the slide frame 17 and is used for receiving the laser after being refracted by the collimating lower pentaprism 4;

the digital receiving target 14 is arranged at one side of the door-shaped frame 201 and is used for receiving the laser light refracted by the upper pentaprism 10; and

the digital display system is arranged on the base 1 and is used for recording the spot displacement data of laser so as to calibrate.

In the specific embodiment of the invention, the lower pentaprism 4 is positioned at the lower side of the measured instrument 9, the upper pentaprism 10 is positioned at the upper side of the measured instrument 9, the top cover 603 is used for installing the measured instrument 9, when the device is used, the measured instrument 9 is firstly placed at the center of the top cover 603, then the micro fluted disc 805 is shifted, one of the second pinions 802 is driven to rotate by the micro fluted disc 805, under the meshing action, the second pinion 802 drives the second big gear 801 to rotate, the second big gear 801 drives the other second pinions 802 to synchronously rotate, thereby driving the racks 803 to synchronously move towards the center of the rotary table 601, the measured instrument 9 is clamped among the rubber blocks 804, the installation work of the measured instrument 9 is completed, the center of the positioning table 6, the rotary table 601, the hollow shaft 602 and the top cover 603 is hollow, and laser light emitted downwards by the measured instrument 9 can pass through the positioning table 6, the rotary table 601, the hollow shaft 602 and the top cover 603, the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803, the second upper reflection mechanism 1804 and the two-dimensional coordinate plate 1805 are arranged around the lower pentaprism 4 after being refracted to the first upper reflection mechanism 1801 by the lower pentaprism 4, the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803, the second upper reflection mechanism 1804 and the two-dimensional coordinate plate 1805 are respectively positioned at two sides of the mounting seat 2 and are arranged in parallel at the same side, the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803, the second upper reflection mechanism 1804 and the coordinate plate 1805 can be driven to move by the sliding frame 17 at two sides, so that the laser refraction distance is changed, compared with the existing single-reflection laser, the refraction distance of the laser is greatly increased, the calibration range of the laser path is enlarged, the calibration precision is improved, the position change data of the light spot at the two-dimensional coordinate plate 1805 under different distances are compared, the position error of the laser is measured, the base plate 501 is positioned between the double-layer hollowed frame 302 and the positioning table 6, the rotating fine adjustment nut 503 drives the rotating block 504 to rotate and move up and down slowly, the rotating block 504 drives a certain angle of the positioning table 6 to move up and down slowly, finally, the inclination angle of the measured instrument 9 is driven to emit change, the light spot position at the two-dimensional coordinate plate 1805 moves along with the rotating block, the light spot position is controlled to move to the center of the two-dimensional coordinate plate 1805, the telescopic length data of the fine adjustment nut 503 is recorded, namely the positioning table 6 corresponds to the angle change data, the light spot position change data at the computer platform 21 is recorded, then the rotating knob 702 drives the first pinion 703 to rotate, the first pinion 703 drives the first large gear 704 to rotate, the first large gear 704 drives the rotating table 601 to finally drive the measured instrument 9 to rotate horizontally, the horizontal angle of the measured instrument 9 can be adjusted, the light spot position change data under the same plane is recorded, the light spot position change data under various change conditions is utilized, the accidental calibration result is avoided, and hidden danger caused when the measured instrument 9 is used in construction.

Specifically, the surface of lifting seat 3 is provided with manual regulation portion 301, and lifting seat 3 extension end top fixedly connected with double-deck fretwork frame 302, and lower pentaprism 4 fixed connection is in double-deck fretwork frame 302, and fine setting mechanism 5 includes:

the backing plate 501 is fixedly connected to the top of the double-layer hollowed-out frame 302;

screw 502, it is provided with a plurality of and evenly distributed in backing plate 501 top, and its bottom all threaded connection has fine setting nut 503, and every fine setting nut 503 all runs through screw 502 and upwards extends, and the top of every fine setting nut 503 all articulates has rotatory piece 504, and every rotatory piece 504 all rotates the bottom of connecting in locating bench 6.

In the embodiment of the invention, as shown in fig. 3, the lifting seat 3 is used for controlling the heights of the fine adjustment mechanism 5 and the positioning table 6, the rotating manual adjustment part 301 can drive the double-layer hollow frame 302 to lift, in the initial state, the height of the lower penta prism 4 is controlled to be consistent with that of the first upper reflection mechanism 1801, the fine adjustment nuts 503 are provided with a plurality of rotating blocks 504 which are driven to rotate and slowly move up and down by rotating the fine adjustment nuts 503, the rotating blocks 504 drive a certain angle of the positioning table 6 to slowly move up and down, finally the inclination angle of the measured instrument 9 is driven to emit and change, the optical shift position at the two-dimensional coordinate plate 1805 moves along with the optical shift position to achieve the effect of fine adjustment of the positioning table 6, one side of the rotating blocks 504 is hinged with the fine adjustment nuts 503, the lifting distance of the fine adjustment nuts 503 can be directly driven, the fine adjustment nuts 503 are uniformly distributed, the adjustment angle is convenient to operate.

Specifically, the horizontal rotation mechanism 7 includes a damping sleeve 701, a knob 702, a first pinion 703 and a first gearwheel 704, a hollow shaft 602 is disposed at the center of the positioning table 6, the damping sleeve 701 is rotationally connected to the circumferential surface of the hollow shaft 602, the first gearwheel 704 is fixedly connected to the circumferential surface of the damping sleeve 701, the knob 702 is rotationally connected to the bottom of the positioning table 6, the first pinion 703 is located in the positioning table 6, one end of the knob 702 is fixedly connected to the first pinion 703, and the first pinion 703 is meshed with the first gearwheel 704.

In a specific embodiment of the present invention, referring to fig. 5, the first large gear 704 and the first small gear 703 are both located in the rotary table 601, the first small gear 703 is driven to rotate by rotating the knob 702, the first small gear 703 drives the first large gear 704 to rotate, the first large gear 704 drives the rotary table 601 to rotate, finally drives the measured instrument 9 to horizontally rotate, the horizontal angle of the measured instrument 9 can be adjusted, the damping sleeve 701 is used for supporting the positioning table 6 to rotate, friction resistance is attached, and the position of the knob 702 is fixed under the resistance of the damping sleeve 701 when the knob 702 stops, so as to play a role of self locking.

Specifically, the positioning mechanism 8 includes:

a second large gear 801 rotatably connected to the lower inner wall of the spin stand 601;

a second pinion gear 802 provided with a plurality and each slidably connected to the lower inner wall of the spin stand 601, each of which is engaged with the second large gear 801;

the racks 803 are provided with a plurality of racks which are all in sliding connection with the lower inner wall of the rotary table 601, are respectively meshed with the second pinion 802 which is close to the racks, the tops of the racks are all fixedly connected with rubber blocks 804, the top of the top cover 603 is provided with a plurality of limit grooves 6031, each rubber block 804 is in sliding connection with the corresponding limit groove 6031, each rubber block 804 is positioned on the upper side of the corresponding limit groove 6031, and the tested instrument 9 is positioned among the plurality of rubber blocks 804;

a micro-fluted disc 805 rotatably connected to the lower inner wall of the spin stand 601, one side of which extends to the outside of the spin stand 601, which is in contact with one of the second pinions 802;

a latch spring 806, one side of which is in contact with the micro-toothed disc 805, one end of which is slidably inserted through the spin stand 601 and extends outwardly; and

the limiting block 807 is fixedly connected to the lower inner wall of the rotary table 601, the other end of the clamping block spring 806 penetrates through the limiting block 807 in a sliding mode, and 808 is sleeved at the position, close to the limiting block 807, of the clamping block spring 806.

In the embodiment of the invention, as shown in fig. 6, the center hollow design of the rotary table 601 is used for penetrating laser, the second large gear 801 is located among the plurality of second small gears 802, when the second large gear 801 rotates, the plurality of second small gears 802 can be driven to synchronously rotate, and then the plurality of racks 803 are driven to synchronously move, a chute is arranged on the lower inner wall of the rotary table 601 and used for limiting the racks 803 to linearly move, one ends of the plurality of racks 803 are all directed to the center of the rotary table 601, so that the plurality of racks 803 can approach to the center of the rotary table 601, thereby driving the plurality of rubber blocks 804 to approach to the center of the top cover 603, as shown in fig. 5, the rotary table 601 is used for placing the tested instrument 9, and the plurality of rubber blocks 804 can clamp the tested instrument 9 when approaching to the center of the top cover 603, and the limiting groove 6031 limits the linear movement of the rack 803, further strengthens the limiting effect, part of the structure of the micro-fluted disc 805 is positioned on the outer side of the rotary table 601, one of the second pinions 802 can be driven to rotate by rotating the micro-fluted disc 805, and finally a plurality of rubber blocks 804 are driven to move to play a driving role, one side of the clamping block spring 806 is contacted with the micro-fluted disc 805, the clamping block spring 806 can stop the micro-fluted disc 805 from rotating under the elastic action of 808 in an initial state, the clamping block spring 806 needs to be pressed to separate the clamping block spring 806 from the contact surface of the micro-fluted disc 805, the micro-fluted disc 805 can be automatically stopped from rotating after the clamping block spring 806 is loosened, namely, the position of the rubber blocks 804 is fixed, the self-locking effect is achieved, the structure is reasonable and the device 9 to be tested is convenient to fixedly install.

Specifically, each group of sliding frames 17 includes a sliding sleeve 1701 and vertical rods 1702, the sliding sleeve 1701 is slidably connected to the track surface of the sliding rail frame 15, the vertical rods 1702 are fixedly connected to the top of the sliding sleeve 1701, and a reinforcing plate 1703 is fixedly connected between two adjacent vertical rods 1702.

In the embodiment of the present invention, as shown in fig. 1 and 7, the sliding frame 17 is provided with two groups, two sides of the mounting seat 2, and the reinforcing plate 1703 is fixed between the vertical rods 1702 on the same side, so that the sliding sleeves 1701, the vertical rods 1702 and the reinforcing plate 1703 form a whole, and the sliding frame 15 is more stable in movement and free from deflection and skew.

Specifically, the upper reflection mechanism 18 includes a first upper reflection mechanism 1801, a second upper reflection mechanism 1802, a second upper reflection mechanism 1803, a second upper reflection mechanism 1804 and a two-dimensional coordinate plate 1805, where the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803, the second upper reflection mechanism 1804 and the two-dimensional coordinate plate 1805 are respectively and fixedly connected to the top of the corresponding vertical rod 1702, and the laser refracted by the lower pentaprism 4 passes through the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803 and the second upper reflection mechanism 1804 and is finally refracted to the two-dimensional coordinate plate 1805.

In a specific embodiment of the present invention, as shown in fig. 9 and 10, the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803, the second upper reflection mechanism 1804 and the two-dimensional coordinate plate 1805 surround the lower pentaprism 4 and are arranged in a rectangular shape, the laser passes through the first upper reflection mechanism 1801, the second upper reflection mechanism 1802, the second upper reflection mechanism 1803 and the second upper reflection mechanism 1804, so that the moving distance of the laser is effectively prolonged, the laser forms a light spot on the two-dimensional coordinate plate 1805 finally, when the laser is askew, the position of the light spot is not in the center of the two-dimensional coordinate plate 1805, the rotating fine adjustment nut 503 rotates to drive the rotating block 504 to rotate and slowly move up and down, the rotating block 504 drives a certain angle of the positioning table 6 to slowly move up and down, finally drives the inclination angle of the measured instrument 9 to emit and change, the position of the light spot at the two-dimensional coordinate plate 1805 moves along with the movement, the position of the light spot is controlled to the center of the two-dimensional coordinate plate 1805, the telescopic length data of the fine adjustment nut 503 is recorded, and multiple sets of data are obtained, and the measurement and calculation data can be more accurate.

Specifically, the top fixedly connected with extension pole 19 of slide rail frame 15, the top fixedly connected with of extension pole 19 goes up cooperation speculum 20, the laser that goes up penta prism 10 refraction is passed through and is gone up cooperation speculum 20 refraction and is got to digital receiving target 14 department, digital receiving target 14 is close to the one side of portal frame 201 and is provided with displacement mechanism 13, displacement mechanism 13 includes shell 1301, ball screw 1302, lead screw cover 1303 and servo motor 1304, shell 1301 fixedly connected with is in the lateral part of portal frame 201, ball screw 1302 rotates and connects between the upper and lower inner wall of shell 1301, lead screw cover 1303 sliding connection is in shell 1301, lead screw cover 1303 threaded connection is in the circumference surface of ball screw 1302, servo motor 1304 fixedly connected with top of shell 1301, servo motor 1304's output fixedly connected with ball screw 1302, the lateral part fixedly connected with horizontal plate 12 of lead screw cover 1303, digital receiving target 14 is fixedly connected with the top of horizontal plate 12, horizontal plate 12 is provided with grating scale 1201 near the shell 1301.

In the embodiment of the present invention, as shown in fig. 2 and 10, the upper pentaprism 10 is located at the upper side of the measured instrument 9, the upper cooperating reflector 20 is at the same height as the upper pentaprism 10, the laser refracted by the upper pentaprism 10 is refracted to the digital receiving target 14 through the upper cooperating reflector 20, along with the fine adjustment of the positioning table 6 by the fine adjustment mechanism 5, the refracted height changes, at this time, the output end of the displacement mechanism 13 drives the ball screw 1302 to rotate, the ball screw sleeve 1303 is driven by the ball screw 1302 to move up and down, the horizontal plate 12 is driven by the screw sleeve 1303 to move up and down, so that the light spot received by the digital receiving target 14 is always in a central state, the horizontal plate 12 is connected with the grating scale 1201, and displacement data of the horizontal plate 12 is recorded by the grating scale 1201.

Specifically, the digital display system includes a digital display table 11 and a computer platform 21, the digital display table 11 is fixedly connected to the top of the gantry 201, the digital display table 11 is in telecommunication connection with the grating scale 1201, the computer platform 21 is fixedly connected to the top of the base 1, and the digital display table 11 is in telecommunication connection with the computer platform 21.

In the embodiment of the present invention, the grating scale 1201 sends the displacement data of the horizontal plate 12 to the digital display meter 11, the displacement distance of the grating scale 1201 is displayed by the digital display meter 11, the digital display meter 11 is sent to the computer platform 21, the data is recorded and stored by the computer platform 21, the digital display meter 11 can display the position of the receiving light spot of the digital receiving target 14, and the position data is displayed in a digital coordinate manner, so that the data comparison is convenient, and the calibration is more accurate.

s1, horizontally placing a tested instrument 9 on the upper side of a top cover 603, then stirring a micro fluted disc 805, driving one of second pinions 802 to rotate through the micro fluted disc 805, under the meshing action, driving a second large gear 801 to rotate by the second pinions 802, and driving other second pinions 802 to synchronously rotate by the second large gear 801, so as to drive a plurality of racks 803 to synchronously move towards the center of a rotary table 601, so that the tested instrument 9 is clamped among a plurality of rubber blocks 804, and the mounting work of the tested instrument 9 is completed;

s2, starting the tested instrument 9 to emit laser to the upper side and the lower side, refracting the laser on the upper side to the position of an upper cooperation reflector 20 through an upper pentaprism 10, refracting the laser to a digital receiving target 14 through the upper cooperation reflector 20, rotating a servo motor 1304 to drive a ball screw 1302 to rotate, and enabling the ball screw 1302 to drive a screw sleeve 1303 to move up and down, so that the digital receiving target 14 can receive the final position of the laser and form a light spot, converting an optical signal into a digital signal through the digital receiving target 14 and transmitting the digital signal to a computer platform 21, and displaying the light spot position of the laser through the computer platform 21 to enable coordinate data displayed by the computer platform 21 to be positioned at the center;

s3, laser emitted downwards by the instrument 9 to be tested passes through the center of the backing plate 501, is refracted to the first upper reflecting mechanism 1801 through the lower pentaprism 4, is orderly refracted through the first upper reflecting mechanism 1801, the second upper reflecting mechanism 1802, the second upper reflecting mechanism 1803 and the second upper reflecting mechanism 1804, is finally refracted to the surface of the two-dimensional coordinate plate 1805 to form light spots, and records the position data of the light spots at the two-dimensional coordinate plate 1805;

s4, operating the fine adjustment mechanism 5 according to the position of the light spot at the two-dimensional coordinate plate 1805, rotating the fine adjustment nut 503 to drive the rotating block 504 to rotate and move up and down slowly, the rotating block 504 to drive a certain angle of the positioning table 6 to move up and down slowly, finally driving the inclination angle of the measured instrument 9 to emit change, moving the light spot position at the two-dimensional coordinate plate 1805 along with the light spot position, controlling the light spot position to move to the center of the two-dimensional coordinate plate 1805, recording the telescopic length data of the fine adjustment nut 503, namely the corresponding angle change data of the positioning table 6, and recording the light spot position change data at the computer platform 21;

s5, moving the position of the upper reflecting mechanism 18, linearly moving the upper reflecting mechanism 18 under the limit of the sliding frame 17, changing the position emission of the upper reflecting mechanism 18, changing the distance emission of the laser refraction path at the moment, recording the laser path distance change data, and observing whether the position of the light spot at the two-dimensional coordinate plate 1805 is changed or not;

s6, repeating the steps S3 to S5 for a plurality of times, comparing the two-dimensional coordinate plate 1805 with the computer platform 21 to display light spot position data, and calibrating the tested instrument 9 according to the change of the light spot position data.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plumb bob calibration device, comprising:

a base (1);

the mounting seat (2) is fixedly connected to the top of the base (1), and the top of the mounting seat is fixedly connected with the door-shaped frame (201);

the lifting seat (3) is fixedly connected to the center of the top of the mounting seat (2);

the positioning table (6) is arranged on the upper side of the lifting seat (3), a horizontal rotating mechanism (7) is arranged in the positioning table for horizontally adjusting an angle, a rotating table (601) is arranged on the upper side of the positioning table, a top cover (603) is fixedly connected to the upper side of the rotating table (601), a tested instrument (9) is placed on the upper side of the top cover (603), and laser is vertically emitted from top to bottom when the tested instrument (9) is started;

the fine adjustment mechanism (5) is arranged between the lifting seat (3) and the positioning table (6) and is used for fine adjustment of the horizontal angle of the positioning table (6) after installation;

the lower pentaprism (4) is arranged in the lifting seat (3) and is used for refracting the downward emitted laser;

an upper pentaprism (10) fixedly connected to the lower inner wall of the gantry (201) for refracting upward laser light;

the sliding rail frame (15) is arranged at the top of the base (1), and a plurality of groups of sliding frames (17) are arranged on the sliding rail frame in a sliding way;

the upper reflection mechanism (18) is movably arranged on the upper side of the sliding rail frame (15) through the sliding frame (17) and is used for receiving laser after refraction of the collimating lower pentaprism (4);

a digital receiving target (14) which is arranged at one side of the door-shaped frame (201) and is used for receiving the laser after being refracted by the upper pentaprism (10); and

the digital display system is arranged on the base (1) and is used for recording the spot displacement data of laser so as to calibrate.

2. The calibrating device of a plumb bob according to claim 1, wherein a manual adjusting part (301) is provided on the surface of the lifting base (3), a double-layer hollow frame (302) is fixedly connected to the top of the extending end of the lifting base (3), the lower pentaprism (4) is fixedly connected to the inside of the double-layer hollow frame (302), and the fine adjusting mechanism (5) comprises:

the base plate (501) is fixedly connected to the top of the double-layer hollowed-out frame (302);

screw (502), it is provided with a plurality of and evenly distributed in backing plate (501) top, and its bottom all threaded connection has fine setting nut (503), every fine setting nut (503) all runs through screw (502) and upwards extend, every the top of fine setting nut (503) all articulates has rotatory piece (504), every rotatory piece (504) all rotates the bottom of connecting in locating bench (6).

3. The calibrating device of a plumb bob according to claim 2, wherein the horizontal rotation mechanism (7) comprises a damping sleeve (701), a knob (702), a first pinion (703) and a first gearwheel (704), a hollow shaft (602) is arranged at the center of the positioning table (6), the damping sleeve (701) is rotationally connected to the circumferential surface of the hollow shaft (602), the first gearwheel (704) is fixedly connected to the circumferential surface of the damping sleeve (701), the knob (702) is rotationally connected to the bottom of the positioning table (6), the first pinion (703) is located in the positioning table (6), one end of the knob (702) is fixedly connected to the first pinion (703), and the first pinion (704) is meshed with the first gearwheel (704).

4. A plumb bob calibration arrangement according to claim 3, characterized in that the positioning means (8) comprise:

a second large gear (801) rotatably connected to the lower inner wall of the turntable (601);

a second pinion (802) provided with a plurality of and each slidably connected to the lower inner wall of the turntable (601), each of which is engaged with the second bull gear (801);

the racks (803) are provided with a plurality of racks which are all in sliding connection with the lower inner wall of the rotary table (601), are respectively meshed with the second pinion (802) which is close to the racks, the tops of the racks are all fixedly connected with rubber blocks (804), a plurality of limit grooves (6031) are formed in the tops of the top cover (603), each rubber block (804) is in sliding connection with the corresponding limit groove (6031), each rubber block (804) is located on the upper side of the corresponding limit groove (6031), and the tested instrument (9) is located among the plurality of rubber blocks (804);

a micro-fluted disc (805) rotatably connected to the lower inner wall of the turntable (601), one side of which extends to the outside of the turntable (601) and which is in contact with one of the second pinions (802);

a clamp spring (806) one side of which is in contact with the micro-toothed disc (805), and one end of which is slidably inserted through the turntable (601) and extends outward; and

the limiting block (807) is fixedly connected to the lower inner wall of the rotary table (601), the other end of the clamping block spring (806) penetrates through the limiting block (807) in a sliding mode, and the clamping block spring (806) is sleeved with a limiting block (807) in a sleeved mode.

5. The calibrating device of a plumb bob according to claim 4, wherein each set of the sliding frames (17) comprises a sliding sleeve (1701) and vertical rods (1702), the sliding sleeve (1701) is slidably connected to the track surface of the sliding rail frame (15), the vertical rods (1702) are fixedly connected to the top of the sliding sleeve (1701), and a reinforcing plate (1703) is fixedly connected between two adjacent vertical rods (1702).

6. The plumb bob calibration device according to claim 5, wherein the upper reflection mechanism (18) comprises a first upper reflection mechanism (1801), a second upper reflection mechanism (1802), a second upper reflection mechanism (1803), a second upper reflection mechanism (1804) and a two-dimensional coordinate plate (1805), the first upper reflection mechanism (1801), the second upper reflection mechanism (1802), the second upper reflection mechanism (1803), the second upper reflection mechanism (1804) and the two-dimensional coordinate plate (1805) are respectively and fixedly connected to the top of the corresponding vertical rod (1702), and the laser light refracted by the lower pentaprism (4) passes through the first upper reflection mechanism (1801), the second upper reflection mechanism (1802), the second upper reflection mechanism (1803) and the second upper reflection mechanism (1804) and is finally refracted to the two-dimensional coordinate plate (1805).

7. The calibrating device of a plumb bob according to claim 6, wherein an extension rod (19) is fixedly connected to the top of the sliding rail frame (15), an upper cooperation reflector (20) is fixedly connected to the top of the extension rod (19), laser refracted by the upper pentaprism (10) is refracted to a digital receiving target (14) through the upper cooperation reflector (20), and a displacement mechanism (13) is arranged on one side, close to the door-shaped frame (201), of the digital receiving target (14).

8. The plumb bob calibration device according to claim 7, wherein the displacement mechanism (13) comprises a housing (1301), a ball screw (1302), a screw sleeve (1303) and a servo motor (1304), the housing (1301) is fixedly connected to the side of the portal frame (201), the ball screw (1302) is rotatably connected between the upper and lower inner walls of the housing (1301), the screw sleeve (1303) is slidably connected in the housing (1301), the screw sleeve (1303) is in threaded connection with the circumferential surface of the ball screw (1302), the servo motor (1304) is fixedly connected to the top of the housing (1301), the output end of the servo motor (1304) is fixedly connected to the ball screw (1302), the side of the screw sleeve (1303) is fixedly connected with a horizontal plate (12), the digital receiving target (14) is fixedly connected to the top of the horizontal plate (12), and the horizontal plate (12) is provided with a grating ruler (1201) near the housing (1301).

9. The calibrating device of a plumb bob according to claim 8, wherein the digital display system comprises a digital display meter (11) and a computer platform (21), the digital display meter (11) is fixedly connected to the top of the portal frame (201), the digital display meter (11) is in telecommunication connection with the grating ruler (1201), the computer platform (21) is fixedly connected to the top of the base (1), and the digital display meter (11) is in telecommunication connection with the computer platform (21).

10. A method of using a plumb bob calibration device as claimed in any one of claims 1 to 9, comprising the steps of:

s1, horizontally placing a tested instrument (9) on the upper side of a top cover (603), then stirring a micro fluted disc (805), driving one of second pinions (802) to rotate through the micro fluted disc (805), under the meshing action, driving the second big gear (801) to rotate by the second pinions (802), and driving the other second pinions (802) to synchronously rotate by the second big gear (801), so as to drive a plurality of racks (803) to synchronously move towards the center of a rotary table (601), and enabling the tested instrument (9) to be clamped among a plurality of rubber blocks (804), thereby completing the installation work of the tested instrument (9);

s2, starting a tested instrument (9) to emit laser to the upper side and the lower side, refracting the laser on the upper side to the position of an upper cooperation reflector (20) through an upper penta prism (10), refracting the laser to a digital receiving target (14) through the upper cooperation reflector (20), rotating a servo motor (1304) to drive a ball screw (1302) to rotate, and driving a screw rod sleeve (1303) to move up and down by the ball screw (1302), so that the digital receiving target (14) can receive the final position of the laser and form a light spot, converting an optical signal into a digital signal through the digital receiving target (14) and transmitting the digital signal to a computer platform (21), and displaying the light spot position of the laser through the computer platform (21) to enable coordinate data displayed by the computer platform (21) to be positioned at the center;

s3, enabling laser emitted downwards by a tested instrument (9) to pass through the center of a base plate (501), then refracting the laser to a first upper reflecting mechanism (1801) through a lower pentaprism (4), orderly refracting the laser through the first upper reflecting mechanism (1801), a second upper reflecting mechanism (1802), a second upper reflecting mechanism (1803) and a second upper reflecting mechanism (1804), finally refracting the laser to the surface of a two-dimensional coordinate plate (1805) to form light spots, and recording position data of the light spots at the two-dimensional coordinate plate (1805);

s4, operating a fine adjustment mechanism (5) according to the position of a light spot at a two-dimensional coordinate plate (1805), rotating a fine adjustment nut (503) to drive a rotary block (504) to rotate and move up and down slowly, driving a certain angle of a positioning table (6) to move up and down slowly by the rotary block (504), finally driving the inclination angle of a tested instrument (9) to emit and change, moving the light spot position at the two-dimensional coordinate plate (1805) along with the light spot position, controlling the light spot position to move to the center of the two-dimensional coordinate plate (1805), recording telescopic length data of the fine adjustment nut (503), namely angle change data corresponding to the positioning table (6), and recording light spot position change data at a computer platform (21);

s5, moving the position of the upper reflecting mechanism (18), linearly moving the upper reflecting mechanism (18) under the limit of the sliding frame (17), changing the position emission of the upper reflecting mechanism (18), changing the distance emission of the laser refraction path at the moment, recording the laser path distance change data, and observing whether the position of a light spot at the two-dimensional coordinate plate (1805) is changed or not;

s6, repeating the steps S3 to S5 for a plurality of times, comparing the two-dimensional coordinate plate (1805) with the computer platform (21) to display light spot position data, and calibrating the tested instrument (9) according to the light spot position data change.