CN115218082B - Triaxial electric leveling mechanism of laser range finder - Google Patents
Triaxial electric leveling mechanism of laser range finder Download PDFInfo
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- CN115218082B CN115218082B CN202210875758.4A CN202210875758A CN115218082B CN 115218082 B CN115218082 B CN 115218082B CN 202210875758 A CN202210875758 A CN 202210875758A CN 115218082 B CN115218082 B CN 115218082B
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- range finder
- laser range
- base plate
- circuit board
- control circuit
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- 230000005484 gravity Effects 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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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
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
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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
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/4804—Auxiliary means for detecting or identifying lidar signals or the like, e.g. laser illuminators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a triaxial electric leveling mechanism of a laser range finder, which comprises an upper bottom plate, a lower bottom plate and a disc, wherein the bottom of the disc is connected with a gravity hammer; the device comprises an upper bottom plate, a lower bottom plate, a tension spring, a laser range finder, a stepping motor, a screw rod, a movable sliding block, a support rod, a stepping motor, a guide rod and a guide rod, wherein the tension spring is connected between the upper bottom plate and the lower bottom plate; the lower bottom plate is provided with an emitting hole capable of emitting laser beams through the laser range finder, the disc is fixed below the emitting hole through a connecting wire, and the lower bottom plate is also fixed with a main control circuit board connected with the stepping motor; be provided with the photoelectric sensor who is connected with control circuit board on the disc, control circuit board passes through bluetooth module and master control circuit board mutual information, makes things convenient for laser range finder to carry out accurate regulation.
Description
Technical Field
The invention relates to a triaxial electric leveling mechanism of a laser range finder, and belongs to the technical field of industrial manufacturing.
Background
Building height measurement is carried out, the prior art uses a tape measure to measure the height, and the accuracy of the measurement cannot be guaranteed. Under the prior art, a laser range finder is used for measuring, and the installation inclination of the laser range finder influences the measurement result, so that a leveling mechanism is needed to ensure the perpendicularity of the laser of the measuring instrument.
The existing laser range finders are not provided with a leveling mechanism matched with the existing laser range finders in the market, the laser range finders are usually installed by using a welded fixing support, but after the laser range finders are fixed on the support by screws, laser beams cannot vertically shoot to a designated position, because the perpendicularity of the welded fixing support cannot be guaranteed, the welding range finders cannot be adjusted, and in addition, the laser range finders cannot be completely attached to the support when being fixed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a triaxial electric leveling mechanism of a laser range finder, which is convenient and quick to adjust the angle of a laser beam and obtain accurate measurement data.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention provides a triaxial electric leveling mechanism of a laser range finder, which comprises an upper bottom plate 2, a lower bottom plate 10 and a disc 12, wherein the bottom of the disc 12 is connected with a gravity hammer 13; a tension spring 11 is connected between the upper bottom plate 2 and the lower bottom plate 10,
the upper base plate 2 is connected with a laser range finder 1, the lower base plate 10 is provided with a stepping motor 3 through a supporting rod, an output shaft of the stepping motor 3 is connected with a screw rod 4, and the screw rod 4 is provided with a movable slide block 5 connected with the upper base plate 2 for adjusting the inclination of the upper base plate 2;
the lower base plate 10 is provided with an emitting hole capable of emitting a laser beam through the laser range finder 1, and the disc 12 is fixed below the emitting hole through a connecting line 15; a main control circuit board 7 connected with the stepping motor 3 is also fixed on the lower bottom plate 10;
the disc 12 is provided with a sensor fixing plate 22 and a control circuit board 20 for mounting photoelectric sensors 21, and the photoelectric sensors 21 are provided with a plurality of laser beams for sensing the laser range finder; the control circuit board 20 generates an adjustment instruction according to the sensing result transmitted by each photoelectric sensor 21, and sends the adjustment instruction to the main control circuit board 7 through the Bluetooth module, so that the main control circuit board 7 controls the stepping motor 3 to rotate, and the inclination angle of the laser range finder on the upper base plate is adjusted.
Further, the main control circuit board 7 is provided with a plurality of keys 9 for controlling the forward and reverse rotation of the stepping motor 3.
Further, the lower base plate 10 is provided with a groove at a position perpendicular to the edge of the upper base plate 2, and the groove is connected with one end of the screw rod 4.
Further, the bottom of the supporting rod is arranged at one end, far away from the groove, of the lower bottom plate 10, and the top of the supporting rod is connected with the stepping motor 3.
Further, a plurality of fixing blocks for fixing the tension springs are arranged on the top surface of the lower base plate 10 and the bottom surface of the upper base plate 2.
Further, the lower base plate 10 is provided with a mounting plate for mounting and fixing the leveling mechanism.
Further, the photoelectric sensor 21 is divided into a plurality of inner ring photoelectric sensors and outer ring photoelectric sensors, and the inner ring photoelectric sensors and the outer ring photoelectric sensors are uniformly distributed by taking the emitting holes as circle centers.
Further, the control circuit board 20 and the main control circuit board 7 are connected with lithium batteries.
Compared with the prior art, the invention has the beneficial effects that:
the laser range finder is arranged on the upper bottom plate, and the upper bottom plate is connected with the lower bottom plate through a tension spring and is used for fixing the whole structure of the laser range finder and improving the stability of the laser range finder; the screw rod is provided with a movable sliding block connected with the upper bottom plate, so that the distance between the upper bottom plate and the lower bottom plate can be adjusted;
according to the invention, the height of the movable sliding block is adjusted through the keys on the main control board, so that the inclination of the upper base plate is adjusted, and the perpendicularity adjustment of the laser beam of the key-controlled laser range finder is realized;
the invention also receives the signal of the photoelectric sensor through the control circuit board, judges the position of the laser beam, and then sends the control signal to the main control circuit board 7 through the Bluetooth module, controls the stepping motor 3 to adjust the corresponding rotating speed, and realizes the automatic fine adjustment of the inclination of the upper base plate;
the leveling mechanism is simple in integral structure, simple and quick in test leveling, and capable of improving data measurement accuracy, and multi-mode leveling is suitable for different working conditions.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a triaxial electric leveling mechanism of a laser range finder according to an embodiment of the present invention;
FIG. 2 is a rear view of a three-axis motorized leveling mechanism for a laser rangefinder in accordance with an embodiment of the present invention;
FIG. 3 is a bottom left view of a tri-axial motorized leveling mechanism of a laser rangefinder in accordance with an embodiment of the present invention;
fig. 4 is a top right view of a triaxial electric leveling mechanism of a laser range finder provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a screw stepping motor according to an embodiment of the present invention;
FIG. 6 is a schematic view of a lower plate according to an embodiment of the present invention;
FIG. 7 is a schematic view of a sensor fixing plate structure according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a distribution structure of a photoelectric sensor according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a three-axis electric leveling mechanism workflow provided by an embodiment of the present invention;
in the figure: 1. a laser range finder; 2. an upper base plate; 3. a stepping motor; 4. a screw rod; 5. moving the slide block; 6. a stepping motor driving plate; 7. a main control circuit board; 8. a lithium battery; 9. a key; 10. a lower base plate; 11. a tension spring; 12. a disc; 13. a gravity cone; 14. a laser beam; 15. a connecting wire; 16. copper columns; 17. a Bluetooth module receiving end; 18. a lithium battery; 19. a Bluetooth module transmitting end; 20. a control circuit board; 21. a photoelectric sensor; 22. a sensor fixing plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Fig. 1 is a schematic diagram of an overall structure of a triaxial electric leveling mechanism of a laser range finder according to an embodiment of the present invention, fig. 2 is a rear view of the mechanism, and fig. 3 and 4 are a lower left bottom view and a lower right top view of the triaxial electric leveling mechanism, respectively; the leveling mechanism comprises a laser range finder 1, an upper base plate 2, a stepping motor 3, a screw rod 4, a movable sliding block 5, a stepping motor driving plate 6, a main control circuit board 7, a first lithium battery 8, a key 9, a lower base plate 10 and a tension spring 11; wherein the laser range finder 1 is arranged on the upper bottom plate 2; the stepping motor 3, the screw rod 4 and the movable slide block 5 are arranged on the lower base plate 10, and the stepping motor 3, the screw rod 4 and the movable slide block 5 are a screw rod stepping motor whole body which can be arranged in a groove of the lower base plate 10 and fixed on a supporting rod of the lower base plate by screws; a tension spring 11 is installed between the upper base plate 2 and the lower base plate 10.
The stepping motor driving plate 6, the main control circuit board 7, the first lithium battery 8 and the hexagonal copper columns 16 are arranged on the lower base plate 10, the stepping motor driving plate 6 and the main control circuit board 7 are fixed on the lower base plate 10 through a plurality of hexagonal copper columns 16, and the first lithium battery 8 is fixed on the lower base plate 10 through glue. The center of the lower bottom plate 10 is provided with a small hole, a connecting wire 15 is bound at the small hole, and the other end of the connecting wire 15 is bound with a disc 12 with a gravity hammer 13 arranged at the bottom. The stepping motor driving board 6 is connected with a main control circuit board 7 connected with a first lithium battery 8, the main control circuit board 7 receives control information of the control circuit board 20 through a Bluetooth module receiving end 17, and the control information is fed back to the main control circuit board 7 to drive the stepping motor 3 to move.
In this embodiment, the disc 12 is fixed with a bluetooth module transmitting end 19 connected with a control circuit board 20 by using thermal gel, and a plurality of photoelectric sensors 21, wherein the control circuit board 20 and the photoelectric sensors 21 are both connected with the second lithium battery 18.
The connecting wire 15 is arranged to be slightly wider than 1mm, so that whether the connecting wire 15 is wound or not can be conveniently observed, the upper base plate 2 and the sensor fixing plate 22 are ensured to be vertically and simultaneously corresponding, and automatic adjustment is realized.
As shown in fig. 6, in order to provide a schematic view of the structure of the lower plate according to the embodiment of the present invention, one end of the screw rod 4 is installed at the groove of the lower plate 10 and is fixed on the support rod of the lower plate 10 by a screw. The lower plate 10 further comprises an L-shaped bracket, the vertical surface of which is a mounting plate, and the mounting plate is provided with at least two holes for fixing the leveling mechanism to the fixed bracket of the building measuring point.
The laser range finder 1 is arranged on the upper base plate 2, and the forward and reverse rotation of the three stepping motors 3 are respectively controlled through six keys 9 on the main control circuit board 7. The tension spring 11 connected between the upper base plate 2 and the lower base plate 10 is arranged on the screw rod 4 of the embodiment, and 3 movable sliding blocks 5 connected with the upper base plate 2 are arranged on the screw rod 4, and the support of the 3 movable sliding blocks 5 has a certain tension effect and is used for fixing the leveling mechanism, so that the overall stability is improved.
As shown in fig. 5, in the schematic structural diagram of the screw rod stepping motor provided by the embodiment of the invention, when the stepping motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the moving slide blocks 5 to rise or fall, and the three moving slide blocks 5 push the three force acting points of the upper base plate 2 to rise or fall respectively, so that the inclination of the upper base plate 2 can be adjusted.
The torque of the stepping motor 3 after being electrified can ensure that the movable sliding block 5 cannot shake randomly, and the tension spring 11 fixes the whole body, so that the stability is improved.
Furthermore, the triaxial electric leveling mechanism of the laser range finder provided by the invention can also judge whether the laser range finder is adjusted to the vertical direction through the gravity cone 13, and the area for capturing laser points can be enlarged because the disc 12 is arranged at the upper part of the gravity cone 13.
The triaxial electric leveling mechanism of the laser range finder provided by the invention is matched with the laser range finder 1 for use, the mechanism is adjusted in the measuring process, and the inclination of the upper base plate 2 is adjusted through six keys 9 or the laser beam 14 and the ground reach a vertical angle by matching with a gravity cone 13.
Furthermore, the triaxial automatic leveling mechanism of the laser range finder provided by the invention can also automatically detect the position of a laser spot through the photoelectric sensor 21, and the Bluetooth module is arranged to send data to the main control circuit board 7 in real time, and the main control circuit board 7 controls the stepping motor 3 to perform automatic adjustment.
As shown in fig. 1, the laser range finder is installed above the leveling device, the key 9 is pressed to control the stepping motor 3 to rotate positively and negatively, the stepping motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the movable slide block 5 to ascend or descend, the movable slide block 4 pushes the upper base plate 2 to move, the other two movable slide blocks 5 are similar, three movable slide blocks 5 are arranged as adjusting points for the inclination of the adjusting plate 2, and meanwhile the inclination of the laser range finder 1 is calibrated.
As shown in fig. 1, a gravity cone 13 is tied up by a connecting wire 15 under the lower plate 10, a disk 12 is disposed on the upper portion of the gravity cone 13, and the heights of three adjustment points are cooperatively adjusted, so that when the laser beam 14 is irradiated to a position near the center of the disk 12, it is determined whether the laser range finder 1 has been adjusted to a vertical state.
As shown in fig. 7, a schematic structural diagram of a sensor fixing plate 22 according to an embodiment of the present invention is shown in fig. 8, which is a schematic structural diagram of a distribution structure of a photoelectric sensor 21, where the sensor fixing plate 22 is provided with a plurality of outer ring photoelectric sensors W1-W12 disposed on an outer ring and inner ring photoelectric sensors N1-N6 disposed on an inner ring, respectively, and is disposed on an outer ring and matched with the photoelectric sensor 21. The inner ring photoelectric sensors and the outer ring photoelectric sensors are uniformly distributed by taking the emitting holes as circle centers respectively, wherein the distance from the inner ring sensor to the emitting holes is smaller than that from the outer ring sensor to the emitting holes.
In this embodiment, the screw rod 4 is provided with 3 moving sliders 5 connected with the upper base plate 2, and the supports of the 3 moving sliders 5 have a certain tension effect, and stress points on the upper base plate 2 are respectively C1, C2 and C3.
The automatic adjustment principle is as follows:
when the outer ring photoelectric sensor W1 detects the laser spot, the moving slide block 5 at the position C1 is required to be lowered, or the moving slide blocks 5 at the positions C2 and C3 are raised at the same time, so that the laser spot moves towards the center of the lower base plate 10;
when the inner ring sensor N1 detects the laser point, the moving slide block 5 at the position C1 is required to be lowered, or the moving slide blocks 5 at the positions C2 and C3 are lifted at the same time, so that the laser point moves towards the center of the lower base plate 10 until all the photoelectric sensors do not detect the laser point, and the automatic adjustment is completed.
Another embodiment: when the outer ring sensor W2 detects the laser spot, it means that the moving slide 5 at the C2 and C3 positions is lifted up and is slightly inclined toward the C2 position, so that the stepping motor 3 for controlling the moving slide 5 at the C2 position is rotated forward at a V speed, and the stepping motor 3 for controlling the moving slide 5 at the C3 position is rotated forward at a V speed 0.5 times, and as a result, the laser spot can be moved toward the center of the lower plate 10.
The corresponding automatic adjustment modes of the other embodiments are shown in table 1, and the programs of the adjustment modes are all written into the main control circuit board 7 and the control circuit board 20.
Table 1: instruction for adjustment of photoelectric sensor
Because the tension spring 11 has upper and lower limits, when the tension spring reaches the upper and lower limits, the tension spring can not be stretched or compressed continuously, the invention sets a protection program, when the movable slide block 5 reaches the upper limit, three stepping motors 3 for controlling the movement of the movable slide block 5 are reversed at the same speed at the same time until the movable slide block 5 returns to the central position; when the moving slide 5 reaches the lower limit, the three stepping motors 3 are simultaneously rotated forward at the same speed until the moving slide 5 returns to the center position.
As shown in fig. 9, which is a schematic workflow diagram of the leveling mechanism, the laser beam 14 is first moved onto the sensor fixing plate 22 by the control of the key 9; when any one of the photoelectric sensors 21 detects a laser point, an automatic adjustment mode is started, at the moment, the key 9 loses control right of the stepping motor, the control circuit board 20 receives signals of a plurality of the photoelectric sensors 21, comprehensively judges the position of the laser point, sends an adjustment instruction to the main control circuit board 7 through the Bluetooth module sending end 19, and after the main control circuit board 7 receives information through the Bluetooth module receiving end 17, the stepping motor 3 is controlled to adjust corresponding rotating speed so as to finely adjust the inclination of the upper base plate; when no laser spot is detected by all the photosensors 21, the automatic adjustment is completed.
The leveling mode is simple to operate and is applicable to occasions with severe environments no matter the rotation of the stepping motor 3 is controlled by the keys 9 or the height of the movable sliding block 5 is changed by the automatic adjustment mode.
According to the triaxial electric leveling mechanism of the laser range finder, provided by the invention, the stepping motor 3 is controlled to rotate positively and negatively through the keys, the stepping motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the movable slide block 5 to move up and down, the movable slide block 5 simultaneously controls the height of the upper base plate 2, so that the inclination of the upper base plate 2 is changed, the gravity cone 113 is used for judging the leveling angle, the inclination of the laser range finder can be quickly and conveniently adjusted, the operation is simple, the triaxial electric leveling mechanism is also suitable for occasions with severe environments, and the triaxial electric leveling mechanism is widely applied to engineering projects such as building measurement and building construction. Meanwhile, an automatic adjustment mode is set, the operation is simple, and the measurement is accurate.
While the invention has been described with respect to the preferred embodiments, it should be noted that modifications and variations can be made by those skilled in the art without departing from the technical principles of the invention, and such modifications and variations should be regarded as being within the scope of the invention, which is not unduly limited to such known techniques.
Claims (6)
1. The triaxial electric leveling mechanism of the laser range finder is characterized by comprising an upper bottom plate (2), a lower bottom plate (10) and a disc (12) with the bottom connected with a gravity hammer (13); a tension spring (11) is connected between the upper bottom plate (2) and the lower bottom plate (10);
the laser range finder (1) is connected to the upper base plate (2), the stepping motor (3) is installed on the lower base plate (10) through a supporting rod, an output shaft of the stepping motor (3) is connected with a screw rod (4), and a movable sliding block (5) connected with the upper base plate (2) is arranged on the screw rod (4);
the lower base plate (10) is provided with a transmitting hole capable of transmitting laser beams through the laser range finder (1), the disc (12) is connected with one end of a connecting wire (15), the other end of the connecting wire (15) is connected with the upper base plate (2), and the connecting wire (15) penetrates through the transmitting hole; a main control circuit board (7) connected with the stepping motor (3) is also fixed on the lower bottom plate (10);
the laser range finder comprises a disc (12), a control circuit board (20) and a sensor fixing plate (22) for mounting a photoelectric sensor (21) are arranged on the disc (12), the photoelectric sensor (21) is divided into a plurality of inner ring photoelectric sensors and outer ring photoelectric sensors, the inner ring photoelectric sensors and the outer ring photoelectric sensors are uniformly distributed by taking a transmitting hole as a circle center respectively and are used for sensing laser beams transmitted by the laser range finder; the control circuit board (20) generates an adjustment instruction according to the sensing result transmitted by each photoelectric sensor (21), and transmits the adjustment instruction to the main control circuit board (7) through the Bluetooth module, so that the main control circuit board (7) controls the stepping motor (3) to rotate, and the inclination angle of the laser range finder on the upper base plate is adjusted.
2. The triaxial electric leveling mechanism of the laser range finder according to claim 1, wherein the main control circuit board (7) is provided with a plurality of keys (9) for controlling forward and reverse rotation of the stepping motor (3).
3. A triaxial electric levelling mechanism for a laser range finder according to claim 1, characterised in that the lower base plate (10) is provided with a recess at a position perpendicular to the edge of the upper base plate (2), the recess being connected to one end of the screw (4).
4. A triaxial electric leveling mechanism for a laser range finder according to claim 3, wherein the bottom of the support rod is arranged at one end of the lower base plate (10) far away from the groove, and the top of the support rod is connected with the stepper motor (3).
5. The triaxial electric leveling mechanism of the laser range finder according to claim 1, wherein a plurality of fixing blocks for fixing tension springs are arranged on the top surface of the lower base plate (10) and the bottom surface of the upper base plate (2).
6. The triaxial electric leveling mechanism of the laser range finder according to claim 1, wherein the control circuit board (20) and the main control circuit board (7) are connected with a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210875758.4A CN115218082B (en) | 2022-07-25 | 2022-07-25 | Triaxial electric leveling mechanism of laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210875758.4A CN115218082B (en) | 2022-07-25 | 2022-07-25 | Triaxial electric leveling mechanism of laser range finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115218082A CN115218082A (en) | 2022-10-21 |
| CN115218082B true CN115218082B (en) | 2023-11-28 |
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| CN115218082A (en) | 2022-10-21 |
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