CN112145884B - Automatic leveling system for photoelectric turntable and automatic leveling photoelectric turntable - Google Patents
Automatic leveling system for photoelectric turntable and automatic leveling photoelectric turntable Download PDFInfo
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- CN112145884B CN112145884B CN202010789095.5A CN202010789095A CN112145884B CN 112145884 B CN112145884 B CN 112145884B CN 202010789095 A CN202010789095 A CN 202010789095A CN 112145884 B CN112145884 B CN 112145884B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
Abstract
The invention provides an automatic leveling system and method for a photoelectric rotary table, which solve the problems of poor leveling precision, long leveling time, low working efficiency and easy interference of environmental factors of the conventional leveling mechanism. The leveling system comprises a base, an electric control system arranged on the base, an adjusting platform arranged above the base, an elastic sealing ring arranged on the periphery of the adjusting platform, a sealing shell arranged between the periphery of the elastic sealing ring and the periphery of the base, and at least three electric adjusting leg assemblies uniformly distributed between the base and the leveling platform; the electric adjusting support leg assembly comprises a mounting frame arranged on the base, a motor, an adjusting screw connected with the output of the motor, a translation wedge block sleeved on the adjusting screw, a lifting wedge block arranged on the translation wedge block, a spherical surface adjusting unit arranged on the lifting wedge block, a guide rod of which the lower end is fixedly connected with the leveling bottom plate and the upper end is connected with a locking piece, and a pre-tightening spring sleeved on the guide rod; the electric control system is used for collecting the measurement data of the inclination angle sensor and the electronic level gauge on the leveling platform and controlling the motor to act.
Description
Technical Field
The invention relates to a leveling system and a photoelectric rotary table, in particular to an automatic leveling system for the photoelectric rotary table and the automatic leveling photoelectric rotary table.
Background
In the field of photoelectric measurement, in order to meet the requirement of high-precision measurement pointing, a high-precision horizontal reference needs to be provided before a photoelectric turntable works, namely, leveling is realized through a leveling mechanism. According to the principle that three points determine a plane, three points are mostly adopted for supporting and leveling in the leveling mechanism. The existing leveling mechanism needs to be built on a first-stage rough leveling ground ring for use (a rigid ring is embedded in a concrete foundation, and the upper surface of the rigid ring provides a relatively flat first-stage rough plane reference), and the leveling mechanism generally has three schemes: the first is screw jack type, the second is tile deformation type, and the third is wedge type. The wedge iron type leveling mechanism is widely applied due to the fact that the structure is simple, and the rigidity can meet the requirement of large load.
The leveling precision requirement of the photoelectric rotary table is extremely high and is mostly second-level precision, but the existing wedge type leveling mechanism relies on manual leveling and locking in the leveling process, the leveling precision is poor, the leveling time is long, and the second-level precision leveling requirement of the photoelectric rotary table cannot be met. In actual use, the existing leveling structure has poor flexibility of use positions, needs to pre-bury a ground ring, has low working efficiency, higher personnel occupation and poor stability of real-time measurement precision, and is easily interfered by environmental factors such as personnel, temperature and the like.
Disclosure of Invention
The leveling mechanism aims to solve the problems that the existing leveling mechanism relies on manual leveling and locking, the leveling precision is poor, the leveling time is long, and the second-level precision requirement of a photoelectric turntable cannot be met; the invention also provides a system and a method for automatically leveling a photoelectric turntable, which have the advantages of low working efficiency and easy interference from environmental factors.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an automatic leveling system for a photoelectric turntable is characterized in that: the photoelectric rotary table comprises a base, an electric control system arranged on the base, an adjusting platform arranged above the base and used for installing a photoelectric rotary table, an elastic sealing ring arranged on the periphery of the adjusting platform, a sealing shell arranged between the periphery of the elastic sealing ring and the periphery of the base, and at least three electric adjusting leg assemblies uniformly distributed between the base and the adjusting platform in the circumference; the base, the sealing shell, the elastic sealing ring and the leveling platform are enclosed to form a hollow shell;
each electric adjusting support leg assembly comprises a mounting frame, a motor, an adjusting screw, a translation wedge block, a lifting wedge block, a spherical surface adjusting unit, a guide rod and a pre-tightening spring;
the mounting frame comprises a leveling bottom plate arranged on the base and two guide plates oppositely arranged on the leveling bottom plate, and each guide plate is provided with a guide groove;
the motor is fixed on the guide plate, and the output of the motor is connected with the adjusting screw rod and used for driving the adjusting screw rod to rotate;
the translation wedge block is sleeved on the adjusting screw and is in threaded fit with the adjusting screw; the lower end surface of the translational wedge block is contacted with the upper end surface of the leveling bottom plate, and the upper end surface is an inclined surface contacted and matched with the lower end surface of the lifting wedge block;
the lifting wedge block is arranged on the translation wedge block and is positioned between the two guide plates, and two ends of the lifting wedge block are matched with the guide grooves;
the spherical surface adjusting unit comprises a lower spherical surface seat and an upper spherical surface seat which are matched to form a spherical surface pair, the lower spherical surface seat is arranged on the lifting wedge block, and the upper spherical surface seat is fixed on the lower end surface of the adjusting platform;
the lower end of the guide rod is fixedly connected with the leveling bottom plate, the upper end of the guide rod sequentially penetrates through the lifting wedge block, the lower spherical seat, the upper spherical seat and the leveling platform and then is connected with a locking piece, and the lower spherical seat and the upper spherical seat are in clearance fit with the guide rod;
the pre-tightening spring is sleeved on the guide rod, the upper end of the pre-tightening spring is limited by the locking piece, and the lower end of the pre-tightening spring is limited by the leveling platform;
the leveling platform is provided with an inclination angle sensor and an electronic level meter, the output ends of the inclination angle sensor and the electronic level meter are electrically connected with the input end of an electric control system, and the electric control system is used for collecting the measurement data of the inclination angle sensor and the electronic level meter and controlling the motor to act according to the measurement data.
Furthermore, the device also comprises a limiting component which is sleeved on the guide rod and is positioned between the pre-tightening spring and the leveling platform.
Furthermore, the limiting assembly comprises an upper cushion block and a lower cushion block which are matched to form a spherical pair, the upper end face of the upper cushion block is contacted with the lower end face of the pre-tightening spring, and the lower end face of the lower cushion block is contacted with the leveling table;
the upper cushion block and the lower cushion block are in clearance fit with the guide rod.
Furthermore, a groove is formed in the upper end face of the adjusting platform, and the pre-tightening spring is located in the groove.
Further, the electric adjusting leg assemblies are four.
Further, the locking member is a lock nut.
Meanwhile, the invention also provides an automatic leveling photoelectric turntable, which is characterized in that: the device comprises an automatic leveling system, an inclination angle sensor, an electronic level gauge and a photoelectric turntable arranged on the automatic leveling system;
the automatic leveling system comprises a base, an electric control system arranged on the base, a leveling platform arranged above the base, an elastic sealing ring arranged on the periphery of the leveling platform, a sealing shell arranged between the periphery of the elastic sealing ring and the periphery of the base, and at least three electric adjusting leg assemblies uniformly distributed between the base and the leveling platform in the circumferential direction; the base, the sealing shell, the elastic sealing ring and the leveling platform are enclosed to form a hollow shell;
each electric adjusting support leg assembly comprises a mounting frame, a motor, an adjusting screw, a translation wedge block, a lifting wedge block, a spherical surface adjusting unit, a guide rod and a pre-tightening spring;
the mounting frame comprises a leveling bottom plate arranged on the base and two guide plates oppositely arranged on the leveling bottom plate, and each guide plate is provided with a guide groove;
the motor is fixed on the guide plate, and the output of the motor is connected with the adjusting screw rod and used for driving the adjusting screw rod to rotate;
the translation wedge block is sleeved on the adjusting screw and is in threaded fit with the adjusting screw; the lower end surface of the translational wedge block is contacted with the upper end surface of the leveling bottom plate, and the upper end surface is an inclined surface contacted and matched with the lower end surface of the lifting wedge block;
the lifting wedge block is arranged on the translation wedge block and is positioned between the two guide plates, and two ends of the lifting wedge block are matched with the guide grooves;
the spherical surface adjusting unit comprises a lower spherical surface seat and an upper spherical surface seat which are matched to form a spherical surface pair, the lower spherical surface seat is arranged on the lifting wedge block, and the upper spherical surface seat is fixed on the lower end surface of the adjusting platform;
the lower end of the guide rod is fixedly connected with the leveling bottom plate, the upper end of the guide rod sequentially penetrates through the lifting wedge block, the lower spherical seat, the upper spherical seat and the leveling platform and then is connected with a locking piece, and the lower spherical seat and the upper spherical seat are in clearance fit with the guide rod;
the pre-tightening spring is sleeved on the guide rod, the upper end of the pre-tightening spring is limited by the locking piece, and the lower end of the pre-tightening spring is limited by the leveling platform;
the inclination angle sensor and the electronic level meter are both arranged on the adjusting platform; or the inclination angle sensor and the electronic level meter are both arranged on the photoelectric turntable; the output ends of the inclination angle sensor and the electronic level meter are electrically connected with the input end of an electric control system, and the electric control system is used for collecting the measurement data of the inclination angle sensor and the electronic level meter and controlling the motor to act according to the measurement data.
Furthermore, the device also comprises a limiting component which is sleeved on the guide rod and is positioned between the pre-tightening spring and the leveling platform;
the limiting assembly comprises an upper cushion block and a lower cushion block which are matched to form a spherical pair, the upper end face of the upper cushion block is contacted with the lower end face of the pre-tightening spring, and the lower end face of the lower cushion block is contacted with the leveling table;
the upper cushion block and the lower cushion block are in clearance fit with the guide rod.
Furthermore, a groove is formed in the upper end face of the adjusting platform, and the pre-tightening spring is located in the groove;
and the leveling table is provided with a plurality of mechanical interfaces for mounting the photoelectric rotary table along the circumferential direction.
Further, the number of the electric adjusting leg assemblies is four;
the locking piece is a locking nut.
Compared with the prior art, the invention has the advantages that:
1. the leveling system monitors the inclination angle of the leveling platform in real time through the inclination angle sensor and the electronic level meter, the electric control system controls the corresponding motor to act according to the inclination error between the current inclination angle and the leveling target, the motor drives the adjusting screw to rotate, and further the spherical surface adjusting unit drives the leveling platform area in contact with the spherical surface adjusting unit to move up and down, and the leveling platform can freely move and adjust the position under the pushing of the spherical surface adjusting unit due to the action of the pre-tightening spring; the leveling system has the characteristic of real-time feedback automatic leveling; meanwhile, the adjusting supporting leg assembly is positioned in a hollow shell formed by enclosing the base, the sealing shell, the elastic sealing ring and the leveling platform, the adjusting process is not easily interfered by factors such as external environment and the like, and the leveling precision can be improved.
2. The leveling platform is provided with the inclination angle sensor and the electronic level meter, and the inclination angle sensor can be used for initial large-range coarse adjustment and the tail end of the electronic level meter can be used for fine adjustment, so that the leveling efficiency is improved.
3. According to the leveling system, the groove is formed in the upper end face of the leveling platform, and the pre-tightening spring is located in the groove, so that the pre-tightening spring is located in the leveling platform and cannot block the installation of the photoelectric rotary table.
4. The invention can directly install the tilt angle sensor and the electronic level meter on the photoelectric turntable and directly monitor the planeness of the photoelectric turntable, so that the leveling precision of the photoelectric turntable is higher.
5. The leveling system can meet the requirement of high-precision automatic leveling of the photoelectric turntable, has high wartime efficiency and less personnel occupation, requires short time for the whole automatic leveling, and can realize real-time monitoring and calibration of the leveling precision; and the system has strong external interference resistance, and the influence of changes such as environmental temperature and the like is weakened.
Drawings
FIG. 1 is a schematic perspective view of an automatic leveling system for an electro-optical turntable of the present invention (without tilt sensor and electronic level);
FIG. 2 is a schematic structural diagram of an automatic leveling system for an optoelectronic turntable according to the present invention (leveling platform not shown);
FIG. 3 is a schematic structural diagram of an electric adjusting leg assembly in the automatic leveling system for the photoelectric turntable according to the present invention;
FIG. 4 is a schematic structural view of an automatic leveling photoelectric turntable according to the present invention;
FIG. 5 is a flow chart of the leveling process of the automatic leveling system for the photoelectric turntable;
wherein the reference numbers are as follows:
1-base, 2-electric control system, 3-leveling stage, 31-mechanical interface, 32-electrical interface, 4-elastic sealing ring, 5-sealing shell, 6-electric adjusting leg component, 61-mounting rack, 611-leveling bottom plate, 612-guide plate, 613-guide groove, 62-motor, 63-adjusting screw, 64-translational wedge, 65-lifting wedge, 66-spherical adjusting unit, 661-lower spherical seat, 662-upper spherical seat, 67-guide rod, 68-pre-tightening spring, 69-locking piece, 7-tilt sensor, 8-electronic level, 9-limiting component, 91-upper cushion block, 92-lower cushion block;
01-automatic leveling system, 02-photoelectric turntable.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
Example one
As shown in fig. 1 and 2, an automatic leveling system for an optoelectronic turntable comprises a base 1, an electric control system 2 arranged on the base 1, a leveling platform 3 arranged above the base 1, an elastic sealing ring 4 arranged on the circumferential side of the leveling platform 3, a sealing shell 5 arranged between the circumferential side of the elastic sealing ring 4 and the circumferential side of the base 1, and three electric adjusting leg assemblies 6 uniformly distributed between the base 1 and the leveling platform 3; the base 1, the sealing shell 5, the elastic sealing ring 4 and the leveling platform 3 are enclosed to form a hollow shell, and the electric control system 2 is positioned in the hollow shell.
The adjusting platform 3 is further provided with an electrical appliance interface 32 and a plurality of universal mechanical interfaces 31 along the circumferential direction, and the plurality of mechanical interfaces 31 can meet the installation requirements of the photoelectric turntable within a certain range.
As shown in fig. 3, each electric adjusting leg assembly 6 comprises a mounting frame 61, a motor 62, an adjusting screw 63, a translational wedge 64, a lifting wedge 65, a spherical surface adjusting unit 66, a guide rod 67 and a pre-tightening spring 68; the mounting bracket 61 comprises a leveling bottom plate 611 arranged on the base 1, and two guide plates 612 oppositely arranged on the leveling bottom plate 611, wherein a guide groove 613 is arranged on the inner side wall of each guide plate 612; the lower end surface of the translational wedge block 64 is in contact with the upper end surface of the leveling bottom plate 611, the upper end surface is an inclined surface in contact fit with the lower end surface of the lifting wedge block 65, and the translational wedge block 64 is sleeved on the adjusting screw 63 and is in threaded fit with the adjusting screw 63; the motor 62 is fixed on the guide plate 612, in other embodiments, the motor 62 can also be fixed on the base 1, and the output end of the motor is connected with the adjusting screw 63 and is used for driving the adjusting screw 63 to rotate so as to drive the translational wedge block 64 to move left and right; in order to improve the moving stability of the translational wedge block 64, the leveling bottom plate 611 is provided with a guide groove for the translational wedge block 64 to move; the lifting wedge 65 is arranged on the translation wedge 64 and is positioned between the two guide plates 612, two ends of the lifting wedge 65 are arranged on the guide grooves 613 and can move up and down in the guide grooves, and the lifting wedge 65 can move up and down relative to the guide plates 612 under the drive of the translation wedge 64; the spherical surface adjusting unit 66 comprises a lower spherical surface seat 661 and an upper spherical surface seat 662 which are matched to form a spherical surface pair, the lower spherical surface seat 661 is arranged on the lifting wedge block 65, and the upper spherical surface seat 662 is fixed on the lower end surface of the adjusting platform 3 through screws; the lower end of the guide rod 67 is fixedly connected with the leveling bottom plate 611 through a nut, a counter bore for placing the nut is arranged on the lower end face of the leveling bottom plate, and the upper end of the guide rod passes through the lifting wedge block 65, the lower spherical seat 661, the upper spherical seat 662 and the leveling table 3 in sequence and then is connected with a locking nut; the lower spherical seat 661 and the upper spherical seat 662 are in clearance fit with the guide rod 67, the pre-tightening spring 68 is sleeved on the guide rod 67, the upper end of the pre-tightening spring is limited by a locking nut, and the lower end of the pre-tightening spring is limited by the adjusting platform 3; the leveling platform 3 is also provided with an inclination angle sensor 7 and an electronic level meter 8, and the inclination angle sensor 7 and the electronic level meter 8 are connected with an electrical interface on the leveling platform 3; in this embodiment, the tilt sensor 7 may be a biaxial tilt sensor, the output ends of the tilt sensor 7 and the electronic level 8 are electrically connected to the input end of the electronic control system 2, and the electronic control system 2 is configured to collect measurement data of the tilt sensor 7 and the electronic level 8, and control the motor 62 to operate according to the measurement data.
In order to improve the leveling stability of the leveling platform 3, in the embodiment, the guide rod 67 is sleeved with the limiting assembly 9, the limiting assembly 9 is located between the pre-tightening spring 68 and the leveling platform 3, the limiting assembly 9 comprises an upper cushion block 91 and a lower cushion block 92 which are matched to form a spherical pair, the upper end surface of the upper cushion block 91 is in contact with the lower end surface of the pre-tightening spring 68, the lower end surface of the lower cushion block 92 is in contact with the leveling platform 3, and the upper cushion block 91, the lower cushion block 92 and the guide rod 67 are in clearance fit.
In the leveling system of the embodiment, the upper end surface of the leveling platform 3 is provided with the groove, the pre-tightening spring 68 is positioned in the groove, so that the pre-tightening spring 68 and the locking nut are positioned in the adjusting platform 3, no obstacle exists on the upper end surface of the adjusting platform 3, the process of aligning the pre-tightening spring 6 extending out of the adjusting platform 3 with the concave area of the lower end surface of the photoelectric turntable is not needed, and the photoelectric turntable is convenient to mount.
In practical application of the leveling system of this embodiment, as shown in fig. 4, only the photoelectric turntable needs to be installed on the leveling platform 3 through a mechanical interface, so as to omit a conventional ground ring, and the installation requirement of the photoelectric turntable within a certain range can be met through a general mechanical interface, the tilt angle of the leveling platform 3 is monitored in real time by the tilt sensor 7 and the electronic level 8, the electric control system 2 controls the corresponding motor 62 to operate according to the tilt error between the tilt angle and the leveling target, the motor 62 drives the adjusting screw 63 to rotate, and further drives the translational wedge 64 to move, the movement of the translational wedge 64 pushes the up-down movement of the lifting wedge 65 and the spherical surface adjusting unit 66, the spherical surface adjusting unit 66 drives the area of the leveling platform 3 in contact with itself to move up and down, due to the action of the pre-tightening spring 68, the leveling platform 3 is pushed by the spherical surface adjusting unit 66, up and down movement on the guide bar 67 in real time can be achieved.
The leveling system of the embodiment has the characteristic of real-time feedback leveling; meanwhile, the adjusting supporting leg assembly is positioned in a hollow shell formed by the base 1, the sealing shell 5, the elastic sealing ring 4 and the leveling platform 3, the adjusting process is not interfered by factors such as external environment and the like, and the real-time leveling precision is further improved.
As shown in fig. 5, the leveling process of the leveling system of the present embodiment on the photoelectric turntable is as follows:
1) coarse adjustment
1.1) installing a photoelectric turntable on an adjusting platform 3, and acquiring inclination angle data of the adjusting platform 3 by an inclination angle sensor 7 and transmitting the inclination angle data to an electric control system 2;
1.2) the electric control system 2 calculates the heights of the three electric adjusting leg assemblies 6 according to the inclination angle data, and obtains the height difference required to be adjusted of the three electric adjusting leg assemblies 6 according to the three height values;
1.3) the electric control system 2 controls the corresponding motor 62 to act according to the height difference;
1.4) the tilt angle sensor 7 collects the current tilt angle of the adjusting platform 3 again, judges whether the current horizontal tilt angle is less than 20 ", if so, executes the step 1.5); if not, returning to the step 1.2);
1.5) the levelling bench 3 is turned to 0 position, i.e. a marking position is defined (usually, the connecting line of any electric adjusting leg component is 0 °);
2) fine adjustment
2.1) the electronic level meter 8 collects the inclination angle data A1 of the adjusting platform 3;
2.2) rotating the leveling platform 3 to 180 degrees, and acquiring inclination angle data A2 of the leveling platform 3 by the electronic level meter 8;
2.3) the leveling platform 3 rotates to 90 degrees, and the electronic level meter 8 acquires inclination angle data A3 of the leveling platform 3;
2.4) calculating the heights of the three electric adjusting leg assemblies 6 according to the inclination angle data A1, A2 and A3, and obtaining the height difference required to be adjusted of the three electric adjusting leg assemblies 6 according to the three height values;
2.5) the electric control system 2 controls the corresponding motor 62 to act according to the height difference;
2.6) the leveling platform 3 rotates to 0 position, and the electronic level meter 8 collects the inclination angle data A1' of the leveling platform 3;
2.7) calculating the heights of the three electric adjusting leg assemblies 6 according to the inclination angle data A1', and obtaining the height differences of the three electric adjusting leg assemblies 6 to be adjusted according to the three height values;
2.8) the electronic level meter 8 collects the inclination angle data A of the adjusting platform 3, judges whether the inclination angle data A is less than 20', if yes, executes the step 2.9); if not, returning to the step 2.3);
2.9) the adjusting platform 3 is respectively rotated to 180 degrees and 0 degrees, the inclination angle data of the adjusting platform 3 is monitored through the electronic level meter 8, and the inclination angle precision of the adjusting platform 3 is rechecked;
2.10) locking the exchange platform.
In the leveling process of the embodiment, the inclination angle sensor 7 is firstly adopted for rough adjustment, and then the electronic level meter 8 is used for fine adjustment, so that the leveling method has the following characteristics:
the efficiency is high: coarse adjustment in an initial large range and fine adjustment in a terminal small range;
the precision is high: fine adjustment in a small range is easy to realize high precision, and the environment in the leveling stage is consistent with the rotary working environment of the leveling platform 3, so that the leveling precision of the working state is directly ensured;
the cost is low: the terminal feedback and adjusting platform 3 can share the high-precision electronic level meter 8, and has high precision and low cost.
The existing leveling mechanism can not realize rough and fine leveling at the same time, and the embodiment realizes a large-range rough leveling target by automatic leveling and then further carries out fine leveling, so that the second-level fine leveling precision can be quickly realized.
The leveling system can meet the high-precision intelligent automatic leveling requirement of the photoelectric rotary table, and has the advantages of high wartime efficiency, less personnel occupation, less whole automatic leveling time than 5min, 30min required by traditional manual leveling, and capability of realizing real-time monitoring and calibration leveling precision.
Example two
The difference from the first embodiment is that: electric regulation landing leg subassembly 6 is four, and the accessible is with linking to each other two electric regulation landing leg subassembly 6 as the fulcrum, and two remaining electric regulation landing leg subassemblies 6 are adjusted, form the face and adjust, and this regulation mode is more simple and convenient.
EXAMPLE III
The difference from the first embodiment is that: the inclination angle sensor 7 and the electronic level meter 8 are both arranged on the photoelectric rotary table, and the flatness of the photoelectric rotary table is directly monitored through the inclination angle sensor 7 and the electronic level meter 8, so that the leveling precision of the photoelectric rotary table is higher.
The above description is only for the purpose of describing the preferred embodiments of the present invention and does not limit the technical solutions of the present invention, and any known modifications made by those skilled in the art based on the main technical concepts of the present invention fall within the technical scope of the present invention.
Claims (5)
1. The utility model provides a photoelectricity is automatic leveling system for revolving stage which characterized in that: the photoelectric turntable adjusting device comprises a base (1), an electric control system (2) arranged on the base (1), an adjusting platform (3) arranged above the base (1) and used for installing a photoelectric turntable, an elastic sealing ring (4) arranged on the periphery of the adjusting platform (3), a sealing shell (5) arranged between the periphery of the elastic sealing ring (4) and the periphery of the base (1), and at least three electric adjusting leg assemblies (6) uniformly distributed between the base (1) and the adjusting platform (3) in the circumferential direction; the base (1), the sealing shell (5), the elastic sealing ring (4) and the adjusting platform (3) enclose a hollow shell;
each electric adjusting leg component (6) comprises a mounting frame (61), a motor (62), an adjusting screw (63), a translation wedge block (64), a lifting wedge block (65), a spherical surface adjusting unit (66), a guide rod (67) and a pre-tightening spring (68);
the mounting frame (61) comprises a leveling bottom plate (611) arranged on the base (1) and two guide plates (612) oppositely arranged on the leveling bottom plate (611), and each guide plate (612) is provided with a guide groove (613);
the motor (62) is fixed on the guide plate (612), and the output of the motor is connected with the adjusting screw rod (63) and used for driving the adjusting screw rod (63) to rotate;
the translation wedge block (64) is sleeved on the adjusting screw rod (63) and is in threaded fit with the adjusting screw rod (63); the lower end surface of the translational wedge block (64) is contacted with the upper end surface of the leveling bottom plate (611), and the upper end surface is an inclined surface contacted and matched with the lower end surface of the lifting wedge block (65);
the lifting wedge block (65) is arranged on the translation wedge block (64) and is positioned between the two guide plates (612), and two ends of the lifting wedge block (65) are matched with the guide grooves (613);
the spherical surface adjusting unit (66) comprises a lower spherical surface seat (661) and an upper spherical surface seat (662) which are matched to form a spherical surface pair, the lower spherical surface seat (661) is arranged on the lifting wedge block (65), and the upper spherical surface seat (662) is fixed on the lower end surface of the adjusting platform (3);
the lower end of the guide rod (67) is fixedly connected with the leveling bottom plate (611), the upper end of the guide rod sequentially penetrates through the lifting wedge block (65), the lower spherical seat (661), the upper spherical seat (662) and the leveling platform (3) and then is connected with a locking member (69), and the lower spherical seat (661) and the upper spherical seat (662) are in clearance fit with the guide rod (67);
the pre-tightening spring (68) is sleeved on the guide rod (67), the upper end of the pre-tightening spring is limited by the locking piece (69), and the lower end of the pre-tightening spring is limited by the adjusting platform (3);
the adjusting platform (3) is provided with an inclination angle sensor (7) and an electronic level meter (8), the output ends of the inclination angle sensor (7) and the electronic level meter (8) are electrically connected with the input end of the electric control system (2), and the electric control system (2) is used for acquiring the measurement data of the inclination angle sensor (7) and the electronic level meter (8) and controlling the motor (62) to act according to the measurement data;
the device also comprises a limiting component (9) which is sleeved on the guide rod (67) and is positioned between the pre-tightening spring (68) and the adjusting platform (3); the limiting assembly (9) comprises an upper cushion block (91) and a lower cushion block (92) which are matched to form a spherical pair, the upper end face of the upper cushion block (91) is contacted with the lower end face of the pre-tightening spring (68), and the lower end face of the lower cushion block (92) is contacted with the adjusting platform (3);
the upper cushion block (91) and the lower cushion block (92) are in clearance fit with the guide rod (67);
a groove is formed in the upper end face of the adjusting platform (3), and the pre-tightening spring (68) is located in the groove.
2. The automatic leveling system for an electro-optical turntable of claim 1, wherein: the number of the electric adjusting leg assemblies (6) is four.
3. The automatic leveling system for an opto-electric turntable as claimed in claim 2, wherein: the locking piece (69) is a locking nut.
4. The utility model provides an automatic leveling photoelectricity revolving stage which characterized in that: the device comprises an automatic leveling system (01), an inclination angle sensor (7), an electronic level meter (8) and a photoelectric turntable (02) arranged on the automatic leveling system;
the automatic leveling system (01) comprises a base (1), an electric control system (2) arranged on the base (1), an adjusting platform (3) arranged above the base (1), an elastic sealing ring (4) arranged on the periphery of the adjusting platform (3), a sealing shell (5) arranged between the periphery of the elastic sealing ring (4) and the periphery of the base (1), and at least three electric adjusting leg assemblies (6) which are uniformly distributed between the base (1) and the adjusting platform (3) in the circumferential direction; the base (1), the sealing shell (5), the elastic sealing ring (4) and the adjusting platform (3) enclose a hollow shell;
each electric adjusting leg component (6) comprises a mounting frame (61), a motor (62), an adjusting screw (63), a translation wedge block (64), a lifting wedge block (65), a spherical surface adjusting unit (66), a guide rod (67) and a pre-tightening spring (68);
the mounting frame (61) comprises a leveling bottom plate (611) arranged on the base (1) and two guide plates (612) oppositely arranged on the leveling bottom plate (611), and each guide plate (612) is provided with a guide groove (613);
the motor (62) is fixed on the guide plate (612), and the output of the motor is connected with the adjusting screw rod (63) and used for driving the adjusting screw rod (63) to rotate;
the translation wedge block (64) is sleeved on the adjusting screw rod (63) and is in threaded fit with the adjusting screw rod (63); the lower end surface of the translational wedge block (64) is contacted with the upper end surface of the leveling bottom plate (611), and the upper end surface is an inclined surface contacted and matched with the lower end surface of the lifting wedge block (65);
the lifting wedge block (65) is arranged on the translation wedge block (64) and is positioned between the two guide plates (612), and two ends of the lifting wedge block (65) are matched with the guide grooves (613);
the spherical surface adjusting unit (66) comprises a lower spherical surface seat (661) and an upper spherical surface seat (662) which are matched to form a spherical surface pair, the lower spherical surface seat (661) is arranged on the lifting wedge block (65), and the upper spherical surface seat (662) is fixed on the lower end surface of the adjusting platform (3);
the lower end of the guide rod (67) is fixedly connected with the leveling bottom plate (611), the upper end of the guide rod sequentially penetrates through the lifting wedge block (65), the lower spherical seat (661), the upper spherical seat (662) and the leveling platform (3) and then is connected with a locking member (69), and the lower spherical seat (661) and the upper spherical seat (662) are in clearance fit with the guide rod (67);
the pre-tightening spring (68) is sleeved on the guide rod (67), the upper end of the pre-tightening spring is limited by the locking piece (69), and the lower end of the pre-tightening spring is limited by the adjusting platform (3);
the inclination angle sensor (7) and the electronic level meter (8) are both arranged on the adjusting platform (3); or the inclination angle sensor (7) and the electronic level meter (8) are both arranged on the photoelectric turntable; the output ends of the inclination angle sensor (7) and the electronic level meter (8) are electrically connected with the input end of the electric control system (2), and the electric control system (2) is used for collecting the measurement data of the inclination angle sensor (7) and the electronic level meter (8) and controlling the motor (62) to act according to the measurement data;
the device also comprises a limiting component (9) which is sleeved on the guide rod (67) and is positioned between the pre-tightening spring (68) and the adjusting platform (3);
the limiting assembly (9) comprises an upper cushion block (91) and a lower cushion block (92) which are matched to form a spherical pair, the upper end face of the upper cushion block (91) is contacted with the lower end face of the pre-tightening spring (68), and the lower end face of the lower cushion block (92) is contacted with the adjusting platform (3);
the upper cushion block (91) and the lower cushion block (92) are in clearance fit with the guide rod (67);
a groove is formed in the upper end face of the adjusting platform (3), and the pre-tightening spring (68) is located in the groove;
the adjusting platform (3) is provided with a plurality of mechanical interfaces (31) used for installing the photoelectric rotary table along the circumferential direction.
5. The self-leveling optoelectronic turret of claim 4, wherein: the number of the electric adjusting leg assemblies (6) is four;
the locking piece (69) is a locking nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN113022413B (en) * | 2021-03-10 | 2022-07-26 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted photoelectric measurement system |
| CN113328583B (en) * | 2021-04-29 | 2022-09-27 | 北京精密机电控制设备研究所 | Automatic precise quantitative regulation and control device and method for electromagnetic zero position of servo valve |
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