CN110805799A - Double-shaft leveling device and leveling method thereof - Google Patents
Double-shaft leveling device and leveling method thereof Download PDFInfo
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- CN110805799A CN110805799A CN201911159387.4A CN201911159387A CN110805799A CN 110805799 A CN110805799 A CN 110805799A CN 201911159387 A CN201911159387 A CN 201911159387A CN 110805799 A CN110805799 A CN 110805799A
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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
- F16M11/043—Allowing translations
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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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention discloses a double-shaft leveling device, which relates to the technical field of leveling devices and comprises a leveling mechanism and a resetting mechanism; the leveling mechanism comprises a fixing unit and a leveling unit, wherein the fixing unit comprises a leveling plate, a limiting plate, a fixing plate and a positioning rod; the two screw rods are symmetrically arranged relative to the axis of the adjusting plate; the limiting plate is located between leveling board and the fixed plate, angle sensor and drive unit all are located the limiting plate, and the one end and the universal joint of lead screw are connected, and the other end of lead screw passes limiting plate and leveling board, lead screw and leveling board threaded connection, and drive unit drive lead screw rotates, causes the leveling board to reciprocate along the lead screw axis. The invention has the beneficial effects that: the inclination angle of the leveling plate relative to the reference plane is measured and calculated through the angle sensor, the screw rod is driven to rotate through the driving unit, the leveling plate moves up and down along the axis of the screw rod to be adjusted, and therefore the balance state is achieved.
Description
Technical Field
The invention relates to the technical field of leveling devices, in particular to a double-shaft leveling device and a leveling method thereof.
Background
The original state of the ground is changed at the modern civil construction stage, so that the weight of the building itself causes uneven changes of the low-level and surrounding ground. In addition, the building itself and its foundation may be deformed due to the change of the foundation, and if the deformation exceeds the specified limit, the normal use of the building is affected, and the safety of the building is seriously endangered. For this reason, the safety needs to be ensured through systematic research and enough experimental data, so that the periodic measurement to obtain experimental data is an indispensable part of the safety, some special or general measuring instruments are used in the measuring process, and the leveling increasingly occurs in the actual operation of the measurement due to the fact that the measuring points need to be frequently replaced and the instrument is not flat and needs to be adjusted in the measuring process.
Patent CN201320109365.9 discloses a leveling device, which comprises a spherical sliding block component, an adjusting component and a locking mechanism; the spherical sliding block component is arranged above the adjusting component; the locking mechanism is provided with a locking screw, and a spherical nut, a hexagonal nut, a locking spherical surface upper slide block, a locking spherical surface lower slide block and a positioning block are sequentially arranged on the locking screw; the locking mechanism penetrates through the spherical sliding block assembly and the adjusting assembly and is clamped in the adjusting assembly through the positioning block, and the problems that an existing leveling device is poor in stability, small in bearing capacity, poor in adjusting precision and the like are solved.
When the existing leveling device is used for leveling or replacing a measuring point, the inclination angle of the leveling device exceeds the angle adjusting range of the adjusting device, and the leveling device is complex to operate and cannot be reset and adjusted when needing to be leveled again.
Disclosure of Invention
The invention aims to solve the technical problem that when the inclination angle of the existing leveling device exceeds the adjusting range set by the adjusting device and needs to be adjusted again, the leveling device cannot be reset and adjusted again, and provides a double-shaft leveling device.
The invention solves the technical problems through the following technical means:
the invention provides a double-shaft leveling device, which comprises a leveling mechanism and a resetting mechanism;
the leveling mechanism comprises a fixing unit and a leveling unit, wherein the fixing unit comprises a leveling plate, a limiting plate, a fixing plate and a positioning rod; the leveling unit comprises an angle sensor, a driving unit, a universal joint and a lead screw;
the angle sensor and the driving unit are both positioned on the limiting plate, one end of the lead screw is connected with the universal joint, the other end of the lead screw penetrates through the limiting plate and the leveling plate, the lead screw is in threaded connection with the leveling plate, and the driving unit drives the lead screw to rotate so that the leveling plate moves up and down along the axis of the lead screw; the positioning rod is positioned on a central axis between the leveling units, one end of the positioning rod is connected with the leveling plate, the other end of the positioning rod penetrates through the limiting plate, and the other end of the positioning rod is connected with the fixing plate;
canceling release mechanical system includes circuit controller, original point inductor, original point baffle, spacing sensor, spacing baffle and reset switch, spacing sensor, original point inductor all are located the limiting plate, original point inductor, spacing sensor, drive unit, angle sensor and reset switch all with circuit controller electric connection, spacing sensor is used for adjusting dull and stereotyped inclination spacing, original point inductor is used for responding to drive unit's the reseing.
The working principle is as follows:
leveling principle: setting a leveling horizontal plane as a reference plane, placing a fixing plate on a triangular support frame, placing a surveying instrument on a leveling plate, measuring and calculating the inclination angle of the leveling plate relative to the reference plane through an angle sensor, when the measured and calculated angle is nonzero, transmitting a signal to a circuit controller through the angle sensor, transmitting a signal to a driving unit through the circuit controller, driving a lead screw to rotate by the driving unit, enabling the leveling plate to move up and down along the axis of the lead screw for adjustment, when the measured and calculated angle of the leveling plate relative to the reference plane is zero through the angle sensor, transmitting a signal to the circuit controller through the angle sensor, transmitting a signal to the driving unit through the circuit controller, and stopping driving the driving unit.
The working principle of resetting: in the leveling process or when changing the measuring point, the inclination angle of the leveling plate exceeds the adjustable range, the limit sensor is used for limiting the inclination angle of the leveling plate, the reset switch is turned on, the reset switch transmits a signal to the circuit controller, the circuit controller transmits a signal to the driving unit for resetting, in the resetting process, when the original point inductor senses that the driving unit is reset to the initial state, the indicator lamp of the original point inductor flickers, and the inclination angle of the leveling plate is restored to the adjustable range.
Has the advantages that: the inclination angle of the leveling plate relative to the reference plane is measured and calculated through an angle sensor, and the driving unit drives the screw rod to rotate, so that the leveling plate moves up and down along the axis of the screw rod to be adjusted, and a balance state is achieved; when the inclination angle of the leveling plate exceeds the angle adjusting range of the adjusting device, the driving unit is reset to the initial state through the limiting sensor and the origin inductor, so that reset adjustment is realized, and the inclination angle of the leveling plate is restored to the adjustable range.
Preferably, the top wall of the leveling plate is provided with a groove for accommodating the leveling device.
Preferably, the cross section of the fixing plate is circular, and a threaded hole is formed in the fixing plate.
Has the advantages that: the fixed plate can be placed on the support frame, and bolt or screw pass the screw hole and are connected with the support frame, and when the balance of leveling board was adjusted to the fixed plate, the fixed plate kept parallel with the reference plane, and the adjustment about along with the leveling board was not.
Through the design of the double shafts, the inclination angle value measured and calculated by the angle sensor can be adjusted in a single shaft mode or adjusted in a double shaft mode.
Preferably, a display screen is arranged on the fixing plate and electrically connected with the circuit controller.
Has the advantages that: the angle is visually displayed through the display screen, so that a tester can conveniently and directly observe whether the leveling equipment is balanced or not.
Preferably, the driving unit is a stepping motor.
Preferably, the origin inductor is installed on the limiting plate through an origin induction fixing block.
The working principle is as follows: the reset switch is connected with the circuit controller, and the reset switch is pressed down to control the motor to reset through the circuit controller and return to the initial state.
Preferably, the screw rod is provided with an adjusting nut, and the adjusting nut is located between the limiting plate and the adjusting plate.
The working principle is as follows: when manual adjustment is needed, the adjusting nut is rotated, and the balance of the leveling plate is adjusted through 2 adjusting nuts.
Preferably, the leveling unit comprises a first stepping motor, a first universal joint, a first lead screw, a first adjusting nut, an angle sensor, a second stepping motor, a second universal joint and a second lead screw;
the first stepping motor is connected with one end of a first universal joint, the other end of the first universal joint is connected with one end of a first lead screw, the other end of the first lead screw penetrates through the limiting plate and the leveling plate, and the first lead screw is in threaded connection with the leveling plate;
the second stepping motor is connected with a second universal joint, the second universal joint is connected with one end of a second screw rod, the other end of the second screw rod penetrates through the limiting plate and the leveling plate, and the second screw rod is in threaded connection with the leveling plate;
the positioning rod is located on a central axis between the first lead screw and the second lead screw, one end of the positioning rod is connected with the bottom wall of the leveling plate, the other end of the positioning rod penetrates through the limiting plate, and the other end of the positioning rod is connected with the top wall of the fixing plate.
Preferably, the origin inductor includes a first origin inductor and a second origin inductor; the original point baffle comprises a first original point baffle and a second original point baffle, one end of the first original point baffle is connected with the bottom wall of the leveling plate, and the other end of the first original point baffle is positioned in the first original point inductor;
one end of the second origin baffle is connected with the bottom wall of the leveling plate, and the other end of the second origin baffle is located in the second origin inductor.
The working principle is as follows: when the first stepping motor is reset, the first original point baffle shields the sensing point of the first original point inductor and the first original point inductor sends a light-up signal, and when the second stepping motor is reset, the second original point baffle shields the sensing point of the second original point inductor and the second original point inductor sends a light-up signal.
Preferably, the limit sensors comprise a first limit sensor and a second limit sensor, the first limit sensor comprises a first upper limit sensor and a first lower limit sensor, and the first upper limit sensor is positioned right above the first lower limit sensor;
the second limit sensor comprises a second upper limit sensor and a second lower limit sensor, and the second upper limit sensor is positioned right above the second lower limit sensor;
the limiting baffle comprises a first limiting baffle and a second limiting baffle, one end of the first limiting baffle is connected with the bottom wall of the leveling plate, and the other end of the first limiting baffle is positioned between the first upper limiting sensor and the first lower limiting sensor;
one end of the second limit baffle is connected with the bottom wall of the leveling plate, and the other end of the second limit baffle is located between the second upper limit sensor and the second lower limit sensor.
The invention provides a leveling method of a double-shaft leveling device, which comprises the following steps:
(1) starting a leveling device, measuring and calculating an inclination angle of the leveling plate relative to a reference plane by an angle sensor, transmitting a signal to a circuit controller by the angle sensor, transmitting a signal to a driving unit by the circuit controller, and driving a lead screw to rotate by the driving unit so that the leveling plate moves up and down along the axis of the lead screw to realize leveling of the leveling plate;
(2) when the inclination of leveling board exceeded adjustable range, spacing sensor was used for adjusting the inclination of leveling board spacing, opened reset switch, and reset switch transfer signal to circuit controller, circuit controller transfer signal reset to drive unit, and in the reset process, when initial point inductor response drive unit resets to initial condition, the pilot lamp scintillation of initial point inductor, the inclination of leveling board resumes to adjustable range.
Preferably, the top wall of the leveling plate is provided with a groove for accommodating the leveling device.
Preferably, the cross section of the fixing plate is circular, and a threaded hole is formed in the fixing plate.
Preferably, a display screen is arranged on the fixing plate and electrically connected with the circuit controller.
The working principle of the invention is as follows: leveling principle: the leveling device comprises a leveling horizontal plane, a fixing plate, a surveying instrument, a circuit controller, a driving unit, a lead screw and a driving unit, wherein the leveling horizontal plane is used as a reference plane, the fixing plate is placed on a triangular support frame, the surveying instrument is placed on a leveling plate, the inclination angle of the leveling plate relative to the reference plane is measured and calculated through an angle sensor, when the measured and calculated angle is nonzero, the angle sensor transmits a signal to the circuit controller, the circuit controller transmits a signal to the driving unit, the driving unit drives the lead screw to rotate, so that the leveling plate moves up and down along the axis of the lead screw, the two leveling units which are symmetrically arranged are adjusted simultaneously, when the angle sensor measures and calculates that the inclination angle of the leveling plate relative to the.
The working principle of resetting: in the leveling process or when a measuring point is changed, the inclination angle of the leveling plate exceeds an adjustable range, the first limit baffle triggers the first upper limit sensor or the first lower limit sensor, or the second limit baffle triggers the second upper limit sensor or the second lower limit sensor, the first upper limit sensor, the first lower limit sensor, the second upper limit sensor or the second lower limit sensor sends out a light-on signal to turn on the reset switch, the reset switch transmits a signal to the circuit controller, the circuit controller transmits a signal to the first stepping motor or/and the second stepping motor, the first stepping motor or/and the second stepping motor resets, in the resetting process, when the first origin sensing baffle returns to the original position, the first origin sensor is triggered, the indicator light of the first origin sensor flickers, when the second origin sensing baffle returns to the original position, and triggering a second origin sensor, wherein an indicator lamp of the second origin sensor flickers, and the inclination angle of the leveling plate is restored to an adjustable range.
The invention has the advantages that: the inclination angle of the leveling plate relative to the reference plane is measured and calculated through an angle sensor, and the driving unit drives the screw rod to rotate, so that the leveling plate moves up and down along the axis of the screw rod to be adjusted, and a balance state is achieved; when the inclination angle of the leveling plate exceeds the angle adjusting range of the adjusting device, the driving power supply is reset to the initial state through the limiting sensor and the origin inductor, so that reset adjustment is realized, and the inclination angle of the leveling plate is restored to the adjustable range.
Drawings
FIG. 1 is a schematic structural view of a biaxial leveling device in example 1 of the present invention;
FIG. 2 is a schematic side view of a biaxial leveling device in example 1 of the present invention;
in the figure: a leveling plate 11; a limit plate 12; a fixed plate 13; a positioning rod 14; a display screen 15; a first drive unit 21; a first gimbal 22; a first lead screw 23; a first adjusting nut 24; an angle sensor 25; a second lead screw 26; a second universal joint 27; a second adjusting nut 28; a first origin sensor 31; a first origin fixing block 32; a first limit sensor 34; a first upper limit sensor 341; a first lower limit sensor 342; a first limit stop 35.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
A double-shaft leveling device is shown in figure 1 and comprises a leveling mechanism and a resetting mechanism;
the leveling mechanism comprises a fixing unit and a leveling unit, wherein the fixing unit comprises a leveling plate 11, a limiting plate 12, a fixing plate 13 and a positioning rod 14;
the limiting plate 12 is positioned between the leveling plate 11 and the fixing plate 13, the shape of the limiting plate 12 is set according to actual needs, and in order to facilitate installation of the surveying and mapping device, a groove is arranged on the top wall of the limiting plate 12 and matched with the bottom of the surveying and mapping device; the axes of the limiting plate 12, the leveling plate 11 and the fixing plate 13 are coaxially arranged, the cross sections of the limiting plate 12 and the fixing plate 13 are both circular, the fixing plate 13 is provided with a threaded hole, and the threaded hole is connected with a fixing frame (not shown) of the double-shaft leveling device through a bolt or a screw penetrating through the threaded hole.
The leveling unit comprises a first driving unit 21, a first universal joint 22, a first lead screw 23, a first adjusting nut 24, an angle sensor 25, a second driving unit (not shown), a second universal joint 27, a second lead screw 26 and a second adjusting nut 28; in this embodiment, the first driving unit 21 is a first stepping motor, and the second driving unit is a second stepping motor; the angle sensor 25 is fixedly arranged on the limiting plate 12;
the first stepping motor is fixedly installed on the fixing plate 13, the output end of the first stepping motor is connected with one end of the first universal joint 22, the other end of the first universal joint 22 is connected with one end of the first lead screw 23, the other end of the first lead screw 23 penetrates through the limiting plate 12 and the leveling plate 11, and the first lead screw 23 is in threaded connection with the leveling plate 11.
Second step motor fixed mounting is on fixed plate 13, and the output and the second universal joint 27 of second step motor are connected, and second universal joint 27 is connected with the one end of second lead screw 26, and limiting plate 12 and leveling board 11 are passed to the other end of second lead screw 26, and second lead screw 26 and leveling board 11 threaded connection. The adjustable angle range of the universal joint is-5 to 5 degrees.
The positioning rod 14 is located on a central axis between the first lead screw 23 and the second lead screw 26, one end of the positioning rod 14 is fixedly connected with the bottom wall of the leveling plate 11, the other end of the positioning rod 14 penetrates through the limiting plate 12, and the other end of the positioning rod 14 is fixedly connected with the top wall of the fixing plate 13.
The reset mechanism comprises a circuit controller, an original point inductor, an original point fixing block, an original point baffle, a limit sensor, a limit fixing block, a limit baffle and a reset switch, wherein the original point inductor, the original point fixing block, the limit sensor, the limit fixing block and the reset switch are all positioned on the limit plate 12;
the origin sensor comprises a first origin sensor 31 and a second origin sensor (not shown), the origin fixing blocks comprise a first origin fixing block 32 and a second origin fixing block (not shown), and the origin baffle comprises a first origin baffle and a second origin baffle (not shown); the cross sections of the first original point baffle and the second original point baffle are both L-shaped;
the first origin fixing block 32 is fixedly mounted on the limiting plate 12 through a screw or a bolt, and the first origin sensor 31 is mounted on the first origin fixing block 32 through a bolt; one end of the first origin baffle is connected or welded with the bottom wall of the leveling plate 11 through a bolt, the other end of the first origin baffle is positioned in the first origin inductor 31, when the first stepping motor is reset, the first origin baffle shields a sensing point of the first origin inductor 31, and the first origin inductor 31 sends a light-up signal;
the second origin fixing block is mounted on the limiting plate 12 through a bolt, and one end of the second origin baffle is mounted on the second origin fixing block through a bolt; one end of the second original point baffle is connected with or welded with the bottom wall of the leveling plate 11 through a bolt, the other end of the second original point baffle is positioned in the second original point inductor, when the second stepping motor is reset, the second original point baffle shields a sensing point of the second original point inductor, and the second original point inductor sends a light-up signal.
The limit sensors include a first limit sensor 34 and a second limit sensor (not shown); the first limit sensor 34 includes a first upper limit sensor 341 and a first lower limit sensor 342, the first upper limit sensor 341 is positioned right above the first lower limit sensor 342, the second limit sensor includes a second upper limit sensor and a second lower limit sensor, the second upper limit sensor is positioned right above the second lower limit sensor; the limiting fixing blocks comprise a first limiting fixing block 35 and a second limiting fixing block (not shown), the limiting baffle comprises a first limiting baffle 35 and a second limiting baffle (not shown), and the sections of the first limiting baffle 35 and the second limiting baffle are both L-shaped;
the first limiting fixing block 35 is fixedly installed on the limiting plate 12 through a screw or a bolt, the first upper limiting sensor 341 and the first lower limiting sensor 342 are both installed on the first limiting fixing block 35 through a bolt, one end of the first limiting baffle 35 is connected or welded with the bottom wall of the leveling plate 11 through a bolt, the other end of the first limiting baffle 35 is located between the first upper limiting sensor 341 and the first lower limiting sensor 342, when the first limiting baffle 35 moves upwards, the first upper limiting sensor 341 is triggered, the first upper limiting sensor 341 sends a light-up signal, when the first limiting baffle 35 moves downwards, the first lower limiting sensor 342 is triggered, and the first lower limiting sensor 342 sends a light-up signal;
the spacing fixed block of second passes through screw or bolt fixed mounting on limiting plate 12, limit sensor and second lower limit sensor all pass through the bolt mounting on the spacing fixed block of second on the second, bolted connection or welding are passed through with the diapire of leveling board 11 to the one end of second limit baffle, the other end of second limit baffle is located between limit sensor and the second lower limit sensor on the second, when second limit baffle up-moved, trigger the second and go up limit sensor, limit sensor sends the bright lamp signal on the second, when second limit baffle down-moved, trigger the second and lower limit sensor, the second lower limit sensor sends the bright lamp signal. In order to conveniently and directly display the adjusted degree, a display screen 15 is also arranged on the fixing plate 13, and the display screen 15 is electrically connected with the circuit controller;
the first origin sensor 31 and the first limit sensor 34 are disposed near the first leveling mechanism, and the second origin sensor and the second limit sensor are disposed near the second leveling mechanism.
The first origin sensor 31, the second origin sensor (not shown), the first limit sensor 34, the second limit sensor, the first stepping motor, the second stepping motor, the angle sensor 25 and the reset switch are all electrically connected with the circuit controller, the first origin sensor 31 is electrically connected with the first stepping motor, the second origin sensor is electrically connected with the second stepping motor, and the reset switch is electrically connected with the circuit controller.
In the embodiment, an origin sensor, a limit sensor, an angle sensor 25 and a reset switch are all in the prior art, and the model of the origin sensor is EE-SX 677; the limit sensor is a photoelectric limit sensor, and the model number of the limit sensor is PM-K45; the angle sensor 25 is of the type michael svt626 t.
When manual adjustment is needed, a first adjusting nut 24 fixedly connected with the first lead screw 23 is installed on the first lead screw 23, the first adjusting nut 24 is located between the limiting plate 12 and the adjusting plate, and the first adjusting nut 24 is sleeved on the first lead screw 23; a second adjusting nut 28 fixedly connected with the second lead screw 26 is arranged on the second lead screw 26, and the second adjusting nut 28 is positioned between the limiting plate 12 and the adjusting plate; manual adjustment is facilitated by manually rotating the first and second adjustment nuts 24, 28 by displaying the angle of inclination on the display screen 15.
The working principle of the embodiment is as follows:
leveling principle: the leveling device is started, the first angle sensor 25 and the second angle sensor 25 continuously measure and calculate the inclination angle of the leveling plate 11 on the XY axis, the inclination degree is displayed on the display screen 15, when the measured and calculated angle is non-zero, the angle sensor 25 transmits a signal to the circuit controller, the circuit controller transmits a signal to the first stepping motor and the second stepping motor, the screw rod is controlled to rotate by the output torque of the first stepping motor and the second stepping motor, the inclination angle is actively compensated to balance equipment to be regulated, when the angle sensor 25 measures and calculates the inclination angle of the leveling plate 11 relative to the reference plane, the angle sensor 25 transmits a signal to the circuit controller, and the circuit controller transmits a signal to the first stepping motor and the second stepping motor, the first stepping motor and the second stepping motor stop driving.
The working principle of resetting: in the leveling process, when the inclination angle of the leveling plate 11 exceeds the adjustable range, the first limit baffle 35 triggers the first upper limit sensor 341 or the first lower limit sensor 342, or the second limit baffle triggers the second upper limit sensor or the second lower limit sensor, the first upper limit sensor 341, the first lower limit sensor 342, the second upper limit sensor or the second lower limit sensor sends out a light-on signal, a reset switch is turned on, the reset switch transmits a signal to the circuit controller, the circuit controller transmits a signal to the first stepping motor or/and the second stepping motor, the first stepping motor or/and the second stepping motor resets, in the resetting process, when the first origin sensing baffle returns to the original position, the first origin sensor 31 is triggered, the first origin sensor 31 indicates that the light flickers, when the second origin sensing baffle returns, and triggering the second origin sensor, wherein an indicator lamp of the second origin sensor flickers, and the inclination angle of the leveling plate 11 is restored to an adjustable range.
Because the length of the positioning rod 14 of the leveling device and the installation mode of the sensor can limit the adjustment range of the angle, in this embodiment, the maximum inclination angle of the leveling plate 11 is 8 degrees, when the measurement point is changed, and the inclination angle of the leveling plate 11 exceeds the angle adjustment range of the adjustment device, the first limit baffle 35 triggers the first upper limit sensor 341 or the first lower limit sensor 342, or the second limit baffle triggers the second upper limit sensor or the second lower limit sensor, the first upper limit sensor 341, the first lower limit sensor 342, the second upper limit sensor or the second lower limit sensor sends out a light-on signal, the reset switch is turned on, the reset switch transmits a signal to the circuit controller, the circuit controller transmits a signal to the first stepping motor or/and the second stepping motor, and the first stepping motor or/and the second stepping motor reset, in the reset process, when first initial point response baffle returned the original position, triggered first initial point inductor 31, first initial point inductor 31 pilot lamp scintillation when second initial point response baffle returns the original position, triggered second initial point inductor, second initial point inductor pilot lamp scintillation, but the inclination of leveling board 11 resumes to adjustable range.
Manual adjustment: when no electric power is provided, or after the upper and lower limit is reached, the inclination angle from the horizontal state is less than 0.5 degrees, at the moment, the first adjusting nut 24 and the second adjusting nut 28 can be manually rotated, so that the first screw rod and the second screw rod are rotated to drive the leveling plate 11 to move up and down, and the inclination angle is displayed on the display screen 15, so that the manual adjustment is realized.
The beneficial effects of the embodiment are that: the inclination angle of the leveling plate 11 relative to the reference plane is measured and calculated through an angle sensor 25, and a driving unit drives a screw rod to rotate, so that the leveling plate 11 moves up and down along the axis of the screw rod to be adjusted, and a balance state is achieved; when the inclination angle of the leveling plate 11 exceeds the angle adjusting range of the adjusting device, the motor is reset to the initial state through the limit sensor and the origin inductor, so that reset adjustment is realized, and the inclination angle of the leveling plate 11 is restored to the adjustable range.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A double-shaft leveling device is characterized in that: comprises a leveling mechanism and a resetting mechanism;
the leveling mechanism comprises a fixing unit and a leveling unit, wherein the fixing unit comprises a leveling plate, a limiting plate, a fixing plate and a positioning rod; the leveling unit comprises an angle sensor, a driving unit, a universal joint and a lead screw;
the angle sensor and the driving unit are both positioned on the limiting plate, one end of the lead screw is connected with the universal joint, the other end of the lead screw penetrates through the limiting plate and the leveling plate, the lead screw is in threaded connection with the leveling plate, and the driving unit drives the lead screw to rotate so that the leveling plate moves up and down along the axis of the lead screw; the positioning rod is positioned on a central axis between the leveling units, one end of the positioning rod is connected with the leveling plate, the other end of the positioning rod penetrates through the limiting plate, and the other end of the positioning rod is connected with the fixing plate;
canceling release mechanical system includes circuit controller, original point inductor, original point baffle, spacing sensor, spacing baffle and reset switch, spacing sensor, original point inductor all are located the limiting plate, original point inductor, spacing sensor, drive unit, angle sensor and reset switch all with circuit controller electric connection, spacing sensor is used for adjusting dull and stereotyped inclination spacing, original point inductor is used for responding to drive unit's the reseing.
2. The dual-axis leveling device according to claim 1, wherein: the top wall of leveling board is equipped with the recess that holds levelling device.
3. The dual-axis leveling device according to claim 1, wherein: the cross-section of the fixing plate is circular, and a threaded hole is formed in the fixing plate.
4. The dual-axis leveling device according to claim 3, wherein: the fixed plate is provided with a display screen, and the display screen is electrically connected with the circuit controller.
5. The dual-axis leveling device according to claim 1, wherein: the driving unit is a stepping motor.
6. The dual-axis leveling device according to claim 5, wherein: the leveling unit comprises a first stepping motor, a first universal joint, a first lead screw, a first adjusting nut, an angle sensor, a second stepping motor, a second universal joint and a second lead screw;
the first stepping motor is connected with one end of a first universal joint, the other end of the first universal joint is connected with one end of a first lead screw, the other end of the first lead screw penetrates through the limiting plate and the leveling plate, and the first lead screw is in threaded connection with the leveling plate;
the second stepping motor is connected with a second universal joint, the second universal joint is connected with one end of a second screw rod, the other end of the second screw rod penetrates through the limiting plate and the leveling plate, and the second screw rod is in threaded connection with the leveling plate;
the positioning rod is located on a central axis between the first lead screw and the second lead screw, one end of the positioning rod is connected with the bottom wall of the leveling plate, the other end of the positioning rod penetrates through the limiting plate, and the other end of the positioning rod is connected with the top wall of the fixing plate.
7. The dual-axis leveling device according to claim 1, wherein: the lead screw is provided with an adjusting nut, and the adjusting nut is located between the limiting plate and the adjusting plate.
8. The dual-axis leveling device according to claim 1, wherein: the origin inductor comprises a first origin inductor and a second origin inductor; the original point baffle comprises a first original point baffle and a second original point baffle, one end of the first original point baffle is connected with the bottom wall of the leveling plate, and the other end of the first original point baffle is positioned in the first original point inductor;
one end of the second origin baffle is connected with the bottom wall of the leveling plate, and the other end of the second origin baffle is located in the second origin inductor.
9. The dual-axis leveling device according to claim 1, wherein: the limit sensors comprise a first limit sensor and a second limit sensor, the first limit sensor comprises a first upper limit sensor and a first lower limit sensor, and the first upper limit sensor is positioned right above the first lower limit sensor;
the second limit sensor comprises a second upper limit sensor and a second lower limit sensor, and the second upper limit sensor is positioned right above the second lower limit sensor;
the limiting baffle comprises a first limiting baffle and a second limiting baffle, one end of the first limiting baffle is connected with the bottom wall of the leveling plate, and the other end of the first limiting baffle is positioned between the first upper limiting sensor and the first lower limiting sensor;
one end of the second limit baffle is connected with the bottom wall of the leveling plate, and the other end of the second limit baffle is located between the second upper limit sensor and the second lower limit sensor.
10. A leveling method using the biaxial leveling device according to claim 1, characterized in that: the method comprises the following steps:
(1) starting a leveling device, measuring and calculating an inclination angle of the leveling plate relative to a reference plane by an angle sensor, transmitting a signal to a circuit controller by the angle sensor, transmitting a signal to a driving unit by the circuit controller, and driving a lead screw to rotate by the driving unit so that the leveling plate moves up and down along the axis of the lead screw to realize leveling of the leveling plate;
(2) when the inclination of leveling board exceeded adjustable range, spacing sensor was used for adjusting the inclination of leveling board spacing, opened reset switch, and reset switch transfer signal to circuit controller, circuit controller transfer signal reset to drive unit, and in the reset process, when initial point inductor response drive unit resets to initial condition, the pilot lamp scintillation of initial point inductor, the inclination of leveling board resumes to adjustable range.
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