CN112483825B - Theodolite capable of automatically calibrating and leveling - Google Patents

Abstract

The invention provides a theodolite capable of automatically calibrating and leveling, and belongs to the technical field of machinery. The leveling device solves the technical problems of low leveling precision, low efficiency and the like of the existing theodolite. The utility model provides an automatic theodolite of calibration leveling, which comprises a bracket, organism and telescope, be fixed with the triangle-shaped platform on the support, be provided with levelling device on the triangle-shaped platform, levelling device includes casing and lower casing, the casing is fixed on the triangle-shaped platform down, it is provided with a plurality of cranes to go up and down on the casing down, the internal elevating system who drives the crane and remove that is provided with of inferior valve, the internal top of epitheca is fixed with optic fibre inclination inductor, the internal below still is fixed with optics counter point ware in the epitheca, it is provided with drive organism pivoted slewing mechanism to rotate on the epitheca, the telescope rotates and sets up on the organism, the removal of support lower extreme is provided with a plurality of pulleys, be provided with the moving mechanism that the drive pulley removed on the pulley. The invention has the advantages of convenient movement, high leveling precision and high use efficiency.

Description

Theodolite capable of automatically calibrating and leveling

Technical Field

The invention belongs to the technical field of machinery, and relates to a theodolite capable of automatically calibrating and leveling.

Background

The theodolite is a measuring instrument designed according to the goniometric principle and used for measuring horizontal angles and vertical angles. The theodolite needs to be leveled first when in use, the conventional theodolite needs to be leveled by moving a tripod, adjusting a level and the like, and the leveling is manually performed through visual inspection, so that the leveling precision is low, errors are easy to generate, the leveling speed is low, and the leveling efficiency is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a theodolite capable of automatically calibrating and leveling, and solves the problems that manual visual leveling is easy to generate errors and the operation efficiency is low.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an automatic theodolite of calibration leveling, includes support, organism and telescope, a serial communication port, the support on be fixed with the triangle-shaped platform, the triangle-shaped platform on be provided with the levelling device of adjusting the theodolite horizontally, the levelling device include casing and lower casing, lower casing fix on the triangle-shaped platform, lower casing go up and down to be provided with a plurality of cranes, the internal elevating system who drives the crane removal that is provided with of inferior valve, last casing fix on the crane, the internal top of epitheca be fixed with optic fibre inclination inductor, optic fibre inclination inductor is located the positive center of epitheca, the internal below of epitheca still be fixed with optics counter point ware, optics counter point ware is located optic fibre inclination inductor under, the epitheca on rotate and be provided with drive organism pivoted slewing mechanism, the organism set up on slewing mechanism, the machine body is fixed with a reading panel, a cross rod is fixed on the machine body, the telescope is rotatably arranged on the cross rod, one side of the machine body is further rotatably provided with a micrometer for measuring a small angular distance, the lower end of the support is movably provided with a plurality of pulleys, and the pulleys are provided with a moving mechanism for driving the pulleys to move.

The invention adopts the prior art to align the center point of a theodolite through an optical plummet in a leveling device, ensures that the theodolite is positioned right above the positioned center point, adopts the prior art to sense the setting angle of the theodolite through an optical fiber inclination angle sensor, drives an elevating rack to move through a lower shell body to drive an upper shell body to move to adjust the set angle of the theodolite when an inclination angle is sensed, ensures that the theodolite is horizontally arranged, drives a machine body to rotate through a rotating mechanism to drive a telescope to horizontally rotate, adjusts the orientation of the telescope, ensures that the telescope faces the observation direction, ensures that the telescope can rotate on a cross bar to adjust the vertical angle through the telescope, ensures that the telescope can measure by aligning to an observed object, adopts the prior art to measure a tiny angle through a rotating micrometer, displays measurement data through a reading panel, ensures the accuracy of the measurement data to record the reading of the data, and drives a pulley to move through a moving mechanism when the measurement is finished, utilize the pulley to remove the support, guarantee to remove the convenience of support.

In the theodolite of above-mentioned automatic calibration leveling, elevating system include driving motor one, driving motor one fix in the lower casing, the internal bracing piece that is fixed with of inferior valve, the bracing piece be located one side of driving motor, the output shaft of driving motor one on the transmission connection have the lead screw, the lead screw pass the bracing piece, the lead screw on slide and be provided with slider one, the internal gliding slide rail one that is fixed with cooperation slider of inferior valve, slider one be located slide rail one and slide, the bracing piece on be fixed with stopper one, stopper one on be fixed with the guide bar, the guide bar on slide and be provided with the crane, the crane pass through the connecting rod and the slider one is articulated. This structure rotates through a driving motor drive lead screw and drives slider one and slide in slide rail one, slide rail one restriction slider one's slip direction and sliding position, prevent that a skew slip direction of slider and excessive with sliding, slider one removes and drives the crane through the connecting rod and move on the guide bar, the crane supports the casing and removes and adjust the upper housing position, guarantee the upper housing level, fixed stopper one on the bracing piece is injectd the crane and is moved down the position, prevent that stopper one from moving down excessively, the guide bar guarantees that the crane moves along the guide bar direction.

In the theodolite of above-mentioned automatic calibration leveling, slewing mechanism include base and driving motor two, the base fix on last casing, the organism fix on the base, the base internal fixation have a gear, driving motor two fix in last casing, the output shaft and the gear drive of driving motor two be connected, the base on have the annular through-hole that two output shafts of driving motor passed. This structure rotates through driving motor two and drives the gear and rotate, and the gear drives the base and rotates to the drive organism rotates, guarantees that base and organism rotate and adjusts the telescope orientation, and annular through hole guarantees that driving motor two's output shaft passes through when gear and base rotate.

In the theodolite of above-mentioned automatic calibration leveling, moving mechanism include slide bar one, the support lower extreme in have spout one, a spout internal fixation have slide bar one, slide bar one go up to slide and be provided with slider two, slide bar one on be provided with spring one, spring one is located slider two below, slider two on one end be fixed with the structure piece, the pulley rotate to set up on the structure piece, the pulley is located structure piece below, slider two on have spout two, spout two internal fixation have a plurality of slide bar two, slide bar two on slide and be provided with stopper two, slide bar two on be provided with spring two, the support on have through-hole one that stopper two pass through, when slider two is located spout one lower extreme, stopper two pop out and get into through-hole one, the support lower extreme still have spout three, three through-holes one side that are located of spout, three internal fixation of spout have slide bar three, slide bar three go up to slide and be provided with the U-shaped release link, U-shaped release link one end is located a through-hole the place ahead, slide bar three on be provided with spring three, support lower extreme both sides slide bar four has, slide bar four on be fixed with slide bar four, slide bar four on slide and be provided with slider three, slider three on incline to be fixed with the dead lever, dead lever lower extreme and structure piece one side fixed link to each other.

The structure moves by pressing down the structure block and the pulley, the structure block drives the fixed rod to move, the fixed rod drives the sliding block three to move in the sliding groove four along the sliding rod four, the sliding rod four ensures that the sliding block moves in the sliding rod four direction, the deviation of the moving direction is prevented, the sliding groove four limits the sliding position of the sliding block three, excessive movement of the sliding block three is prevented, the structure block simultaneously drives the sliding block two to move in the sliding groove one along the sliding rod one, the moving direction and the moving position of the sliding block two are ensured, when the sliding block two moves to a through hole one at a specified position, the limiting block two is popped out along the sliding rod two under the action of the spring two to enter the through hole one to clamp the position of the limiting sliding block two, the structure block and the pulley are ensured to clamp the support bracket, at the moment, the bracket is pushed to move by the rotation of the pulley, then the limiting block is pushed to move inwards by pushing the U-shaped reset rod, at the moment, the sliding block two moves upwards under the action of the spring one, the second sliding block drives the structure block and the pulley to move, the structure block drives the fixed rod and the third sliding block to move, the structure block and the pulley can be guaranteed to return to the initial position, the U-shaped reset rod moves to the initial position in the third sliding groove along the third sliding rod under the action of the third spring, and reuse of the U-shaped reset rod is guaranteed.

In the theodolite capable of automatically calibrating and leveling, the upper shell and the lower shell are triangular. The structure is convenient for the arrangement of the lifting mechanism, and ensures that the upper shell is kept horizontal by adjusting the upper shell.

In the theodolite capable of automatically calibrating and leveling, the number of the lifting mechanisms is three, and the lifting mechanisms are uniformly distributed along the circumference of the central shaft of the lower shell. This structure guarantees the regulation to going up the casing through evenly distributed, guarantees to go up the casing level.

In the theodolite capable of automatically calibrating and leveling, the support is a tripod support. This structure guarantees the stability of theodolite setting.

In the theodolite capable of automatically calibrating and leveling, the upper part of the second limiting block is arc-shaped. The structure ensures that the second limiting block can be pressed into the second sliding groove through the inner wall of the first sliding groove.

In the theodolite capable of automatically calibrating and leveling, the upper shell, the lower shell and the triangular platform are respectively provided with a second through hole. The structure can ensure the use of the optical plummet, so that the theodolite is positioned on the positioning central point.

Compared with the prior art, the invention has the following advantages:

the invention aligns the central point of the theodolite through the optical plummet in the leveling device, senses the setting angle of the theodolite through the optical fiber inclination angle sensor, drives the screw rod to rotate through the driving motor I in the lower shell to drive the slide block I to slide in the slide rail I when sensing the inclination angle, the slide rail I limits the sliding direction and the sliding position of the slide block I, the slide block I drives the lifting frame to move on the guide rod through the connecting rod, the lifting frame supports the upper shell to move to adjust the setting angle of the upper shell to the theodolite, the horizontal setting of the theodolite is ensured, the limiting block I fixed on the supporting rod limits the downward moving position of the lifting frame to prevent the excessive downward moving of the limiting block I, the guide rod ensures that the lifting frame moves along the direction of the guide rod, the driving motor II rotates to drive the gear to rotate, the gear drives the base to rotate, thereby driving the machine body to rotate to drive the telescope to horizontally rotate and adjust the orientation of the telescope, guarantee the telescope and towards the observation direction, annular through-hole guarantees that the output shaft of driving motor two passes through when gear and base rotate, rotate through the telescope on the horizontal pole and adjust the vertical angle, guarantee that the telescope is aimed at the observation thing and measure, it adopts prior art to measure small angle to rotate the micrometer, show measured data through the reading panel, guarantee measured data's accuracy and to data reading record, remove through pushing down structure piece drive pulley when finishing, inject the pulley position through stopper two, utilize the pulley to remove the support, guarantee the convenience of removing the support, the accuracy and the leveling speed of theodolite leveling have been increased, and the use efficiency is improved.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of the structure of the leveling device of the present invention.

Fig. 3 is a schematic view at the moving mechanism of the present invention.

Fig. 4 is a top sectional view of the U-shaped reset lever of the present invention.

Fig. 5 is a side sectional view at the moving mechanism of the present invention.

FIG. 6 is a top sectional view of a second embodiment of the slider of the present invention.

In the figure, 1, a bracket; 2. a body; 3. a telescope; 4. a triangular platform; 5. a leveling device; 6. an upper housing; 7. a lower housing; 8. a lifting frame; 9. an optical fiber tilt angle sensor; 10. an optical plummet; 11. a reading panel; 12. a cross bar; 13. a micrometer; 14. a pulley; 15. driving a motor I; 16. a support bar; 17. a screw rod; 18. a first sliding block; 19. a first slide rail; 20. a first limiting block; 21. a guide bar; 22. a connecting rod; 23. a base; 24. a second driving motor; 25. a gear; 26. a first sliding rod; 27. a first sliding chute; 28. a second sliding block; 29. a first spring; 30. a structural block; 31. a second chute; 32. a second sliding rod; 33. a second limiting block; 34. a second spring; 35. a first through hole; 36. a third chute; 37. a third sliding rod; 38. a U-shaped reset lever; 39. a third spring; 40. a fourth chute; 41. a slide bar IV; 42. a third sliding block; 43. and (5) fixing the rod.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, a theodolite of automatic calibration leveling, including support 1, organism 2 and telescope 3, its characterized in that, support 1 on be fixed with triangle-shaped platform 4, triangle-shaped platform 4 on be provided with and adjust theodolite horizontally levelling device 5, levelling device 5 include casing 6 and lower casing 7 down, casing 7 down fix on triangle-shaped platform 4, lower casing 7 go up and down to be provided with a plurality of erectors 8, lower casing 7 in be provided with the elevating system that drives erector 8 and remove, last casing 6 fix on erector 8, last casing 6 in the top be fixed with optic fibre inclination inductor 9, optic fibre inclination inductor 9 is located the positive center of last casing 6, last casing 6 in the below still be fixed with optics counter-point ware 10, optics counter-point ware 10 is located optic fibre inclination inductor 9 under, go up casing 6 on rotate and be provided with the slewing mechanism of drive organism 2 pivoted, organism 2 set up on slewing mechanism, organism 2 on be fixed with reading panel 11, organism 2 on be fixed with horizontal pole 12, telescope 3 rotate and set up on horizontal pole 12, organism 2 one side on still rotate and be provided with the micrometer 13 of measuring small angular distance, the removal of 1 lower extreme of support be provided with a plurality of pulleys 14, pulley 14 on be provided with the moving mechanism that drive pulley 14 removed.

The invention adopts the prior art to align the center point of a theodolite through an optical plummet 10 in a leveling device 5, ensures that the theodolite is positioned right above the positioned center point, adopts the prior art to sense the setting angle of the theodolite through an optical fiber inclination angle sensor 9, drives a lifting frame 8 to move through a lifting mechanism in a lower shell 7 when sensing the inclination angle, drives an upper shell 6 to move to adjust the set angle of the theodolite, ensures the horizontal setting of the theodolite, drives a machine body 2 to rotate to drive a telescope 3 to rotate horizontally, adjusts the orientation of the telescope 3, ensures that the telescope 3 faces the observation direction, ensures that the telescope 3 aligns to an observed object to measure through rotating the telescope 3 on a cross rod 12 to adjust the vertical angle, adopts the prior art to measure a tiny angle, displays measured data through a reading panel 11, ensures the accuracy of the measured data to record the data reading, when the support is finished, the pulley 14 is driven to move through the moving mechanism, and the support 1 is moved through the pulley 14, so that the convenience of moving the support 1 is guaranteed.

In the theodolite of above-mentioned automatic calibration leveling, elevating system include driving motor 15, driving motor 15 fix in casing 7 down, casing 7 internal fixation have bracing piece 16 down, bracing piece 16 be located one 15 one side of driving motor, the output shaft of driving motor 15 on the transmission be connected with lead screw 17, lead screw 17 pass bracing piece 16, lead screw 17 on the slip be provided with slider 18, lower casing 7 internal fixation have a gliding slide rail 19 of cooperation slider 18, slider 18 be located slide rail 19 and slide, bracing piece 16 on be fixed with stopper one 20, stopper one 20 on be fixed with guide bar 21, guide bar 21 on the slip be provided with crane 8, crane 8 pass through connecting rod 22 and slider one 18 articulated. This structure rotates through a driving motor 15 drive lead screw 17 and drives a slider 18 and slide in a slide rail 19, slide rail 19 restricts the slip direction and the sliding position of a slider 18, prevent that a slider 18 skew slip direction and excessive slip, a slider 18 removes and drives crane 8 through connecting rod 22 and moves on guide bar 21, crane 8 supports 6 removal of casing and adjusts 6 positions of casing, guarantee 6 levels of casing, a stopper 20 of fixed on the bracing piece 16 prescribes the crane 8 position that moves down, prevent that stopper 20 from moving down excessively, guide bar 21 guarantees that crane 8 moves along the 21 directions of guide bar.

In the theodolite of above-mentioned automatic calibration leveling, slewing mechanism include base 23 and driving motor two 24, base 23 fix on last casing 6, organism 2 fix on base 23, base 23 internal fixation have gear 25, driving motor two 24 fix in last casing 6, the output shaft and the gear 25 transmission of driving motor two 24 be connected, base 23 on have the annular through hole that two 24 output shafts of driving motor passed. This structure rotates through driving motor two 24 and drives gear 25 and rotate, and gear 25 drives base 23 and rotates to drive organism 2 and rotate, guarantee that base 23 and organism 2 rotate and adjust the telescope 3 orientation, the output shaft of driving motor two 24 is guaranteed to the annular through-hole and is passed through when gear 25 and base 23 rotate.

In the theodolite of above-mentioned automatic calibration leveling, moving mechanism include slide bar 26, 1 lower extreme of support in have spout one 27, a 27 internal fixation of spout have slide bar 26, slide bar 26 on slide bar slide and be provided with two 28 of slider, slide bar 26 on be provided with one 29 of spring, one 29 of spring is located two 28 below of slider, two 28 of slider on one end be fixed with structure piece 30, pulley 14 rotate and set up on structure piece 30, pulley 14 is located structure piece 30 below, two 28 of slider on have spout two 31, two 31 of spout internal fixation have two 32 of a plurality of slide bars, two 32 of slide bars on slide and be provided with two 33 of stoppers, two 32 of slide bars on be provided with two 34 of springs, support 1 on have one 35 of through-hole that two 33 of stoppers pass through, when two 28 of slider are located a 27 lower extremes of spout, two 33 of stopper pop out and get into through-hole 35, 1 lower extreme of support still have three 36 of spout, three 36 of spout are located one 35 one side of through-hole, three 36 internal fixation of spout have three 37 of slide bars, three 37 of slide bars on the slip be provided with U-shaped release link 38, U-shaped release link 38 one end is located one 35 the place ahead of through-hole, three 37 of slide bars on be provided with three 39 of springs, 1 lower extreme both sides of support have four 40 of spout, four 40 of slide bars on be fixed with four 41 of slide bars, four 41 of slide bars on the slip be provided with three 42 of slider, three 42 of slider on the slope be fixed with dead lever 43, dead lever 43 lower extreme and structure piece 30 one side fixed linking to each other.

The structure moves by pressing down the structure block 30 and the pulley 14, the structure block 30 drives the fixed rod 43 to move, the fixed rod 43 drives the third slider 42 to move in the fourth sliding groove 40 along the fourth sliding rod 41, the fourth sliding rod 41 ensures that the slider moves along the fourth sliding rod 41 to prevent deviation of the moving direction, the fourth sliding groove 40 limits the sliding position of the third slider 42 to prevent the third slider 42 from excessively moving, the structure block 30 simultaneously drives the second slider 28 to move in the first sliding groove 27 along the first sliding rod 26 to ensure the moving direction and the moving position of the second slider 28, when the second slider 28 moves to a through hole 35 at a specified position, the second limiting block 33 is popped out along the second sliding rod 32 under the action of the second spring 34 to enter the first through hole 35 to clamp the position of the second limiting slider 28, so as to ensure that the structure block 30 and the pulley 14 clamp the support 1, at this time, the support 1 is pushed to move by rotating the pulley 14, and then the second limiting block 33 is pushed to move inwards by pushing the U-shaped reset rod 38, at the moment, the second sliding block 28 moves upwards under the action of the first spring 29, the second sliding block 28 drives the structure block 30 and the pulley 14 to move, the structure block 30 drives the fixing rod 43 and the third sliding block 42 to move, the structure block 30 and the pulley 14 can be ensured to return to the initial position, the U-shaped reset rod 38 moves to the initial position in the third sliding groove 36 along the third sliding rod 37 under the action of the third spring 39, and the U-shaped reset rod 38 is ensured to be reused.

In the theodolite capable of automatically calibrating and leveling, the upper shell 6 and the lower shell 7 are triangular. This structure is convenient for the elevating system to set up, guarantees to make it keep the level to the regulation of last casing 6.

In the theodolite capable of automatically calibrating and leveling, the number of the lifting mechanisms is three, and the lifting mechanisms are uniformly distributed along the circumference of the central shaft of the lower shell 7. This structure guarantees the regulation to upper shell 6 through evenly distributed, guarantees that upper shell 6 is horizontal.

In the theodolite capable of automatically calibrating and leveling, the bracket 1 is a tripod bracket 1. This structure guarantees the stability of theodolite setting.

In the theodolite capable of automatically calibrating and leveling, the upper part of the second limiting block 33 is arc-shaped. The structure ensures that the second limiting block 33 can be pressed into the second sliding groove 31 through the inner wall of the first sliding groove 27.

In the theodolite capable of automatically calibrating and leveling, the upper shell 6, the lower shell 7 and the triangular platform 4 are respectively provided with a second through hole. This configuration ensures the use of the optical plummet 10 with the theodolite located at the location center.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (8)

1. The utility model provides an automatic theodolite of calibration leveling, includes support, organism and telescope, a serial communication port, the support on be fixed with the triangle-shaped platform, the triangle-shaped platform on be provided with the levelling device of adjusting the theodolite horizontally, the levelling device include casing and lower casing, lower casing fix on the triangle-shaped platform, lower casing go up and down to be provided with a plurality of cranes, the internal elevating system who drives the crane removal that is provided with of inferior valve, last casing fix on the crane, the internal top of epitheca be fixed with optic fibre inclination inductor, optic fibre inclination inductor is located the positive center of epitheca, the internal below of epitheca still be fixed with optics counter point ware, optics counter point ware is located optic fibre inclination inductor under, the epitheca on rotate and be provided with drive organism pivoted slewing mechanism, the machine body is arranged on a rotating mechanism, a reading panel is fixed on the machine body, a cross rod is fixed on the machine body, a telescope is rotatably arranged on the cross rod, a micrometer for measuring a small angular distance is further rotatably arranged on one side of the machine body, a plurality of pulleys are movably arranged at the lower end of the support, a moving mechanism for driving the pulleys to move is arranged on the pulleys, the moving mechanism comprises a first sliding rod, a first sliding groove is formed in the lower end of the support, the first sliding groove is internally fixed with the first sliding rod, a second sliding block is arranged on the first sliding rod in a sliding manner, a first spring is arranged on the first sliding rod and is positioned below the second sliding block, a structure block is fixed at one end of the second sliding block, the pulleys are rotatably arranged on the structure block, the pulleys are positioned below the structure block, a second sliding groove is formed in the second sliding groove, a plurality of second sliding rods are fixedly arranged in the second sliding groove, slide bar two on slide and be provided with stopper two, slide bar two on be provided with spring two, the support on have through-hole one that stopper two passes through, when slider two is located spout one lower extreme, stopper two pop out and get into through-hole one, the support lower extreme still have spout three, spout three is located through-hole one side, three internal fixation of spout have slide bar three, slide bar three on slide and be provided with U-shaped release link, U-shaped release link one end is located through-hole the place ahead, slide bar three on be provided with spring three, support lower extreme both sides slide groove four has, spout four on be fixed with slide bar four, slide bar four on slide and be provided with slider three, slider three on slope be fixed with the dead lever, dead lever lower extreme and structure piece one side fixed linking to each other.

2. The theodolite of an automatic calibration leveling of claim 1, characterized in that, elevating system include driving motor one, driving motor one fix in the inferior valve body, the inferior valve body be fixed with the bracing piece, the bracing piece be located one side of driving motor, the output shaft of driving motor one on the transmission connection have the lead screw, the lead screw pass the bracing piece, the lead screw on slide and be provided with slider one, inferior valve body be fixed with a gliding slide rail one of cooperation slider, slider one be located slide rail one and slide, the bracing piece on be fixed with stopper one, stopper one on be fixed with the guide bar, the guide bar on slide and be provided with the crane, the crane pass through the connecting rod and the slider is articulated.

3. The theodolite with the automatic calibration and leveling functions as claimed in claim 1, wherein the rotating mechanism comprises a base and a second driving motor, the base is fixed on the upper shell, the machine body is fixed on the base, a gear is fixed in the base, the second driving motor is fixed in the upper shell, an output shaft of the second driving motor is connected with the gear in a transmission manner, and the base is provided with an annular through hole through which the output shaft of the second driving motor passes.

4. The theodolite with automatic leveling calibration function according to claim 1, wherein the upper and lower shells are triangular.

5. The theodolite with automatic calibration and leveling functions as recited in claim 1, wherein said lifting mechanisms are three groups, and said lifting mechanisms are uniformly distributed along the circumference of the central axis of the lower casing.

6. The theodolite with automatic calibration and leveling functions as claimed in claim 1, wherein the support is a tripod support, the number of the moving mechanisms is three, and the three moving mechanisms are respectively located on three legs of the support.

7. The theodolite with automatic calibration and leveling functions according to claim 1, wherein the upper part of the second limit block is arc-shaped.

8. The theodolite with automatic calibration and leveling functions as claimed in claim 1, wherein the upper shell, the lower shell and the triangular platform are respectively provided with a second through hole.

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