CN115751087A

CN115751087A - Mapping instrument positioning device for engineering mapping

Info

Publication number: CN115751087A
Application number: CN202211572315.4A
Authority: CN
Inventors: 柏永青; 章从甲; 孟祥廷; 逄锦娇; 马玉忠; 孙栋
Original assignee: Shandong Provincial Institute of Land Surveying and Mapping
Current assignee: Shandong Provincial Institute of Land Surveying and Mapping
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-07

Abstract

The invention relates to the technical field of engineering, in particular to a mapping instrument positioning device for engineering mapping, which comprises a support for supporting, wherein an adjusting mechanism capable of adjusting the position of a mapping instrument is arranged on the support, a protecting mechanism capable of being connected with the mapping instrument is arranged on the adjusting mechanism, and a moving mechanism which is connected with the protecting mechanism and can be conveniently carried is arranged on the support.

Description

Mapping instrument positioning device for engineering mapping

Technical Field

The invention relates to the technical field of engineering, in particular to a mapping instrument positioning device for engineering surveying and mapping.

Background

Surveying instrument, be exactly for data acquisition of surveying operation design and manufacturing, instrument and device such as processing, output, plan design in engineering construction, carry out the required various orientation of measurement work, range finding, survey angle, height measurement, instrument in aspects such as mapping and photogrammetry in construction and management stage, in present engineering survey and drawing, often can use the surveying instrument to measure the difference in height between two points on the ground on the building site, and when using the measuring apparatu to measure, then need use the support to carry out the support location to the surveying instrument on open air or building site, but current surveying instrument is when fixing a position, because the ground is rugged, consequently often use the support to support it, but engineering survey and drawing work needs to use the surveying instrument to measure a plurality of places, need the staff to carry surveying instrument and support many places and move, because the volume that is used for the stable support of surveying instrument or too big, cause to carry for the staff.

Disclosure of Invention

The invention aims to provide a mapping instrument positioning device for engineering mapping, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an engineering is mapping with surveying appearance positioner, is including the support that is used for the supporting role, be provided with the adjustment mechanism that can adjust the surveying appearance position on the support, the last protection machanism that can be connected with the surveying appearance that is provided with of adjustment mechanism, be provided with on the support and be connected the moving mechanism that can conveniently carry with protection machanism.

Optionally, the adjusting mechanism comprises a first rotating seat rotatably connected with the support in a damping mode, a first adjusting rod is installed on one side of the first rotating seat, a second rotating seat is slidably installed on the first adjusting rod in a damping mode, and a third rotating seat is rotatably installed on one side of the second rotating seat in a damping mode.

Optionally, the adjusting mechanism further includes a second adjusting rod fixedly connected to the third rotating seat, and an end of the second adjusting rod, which is far away from the third rotating seat, is connected to the protection mechanism.

Optionally, the protection mechanism includes a protection housing, a fixed shaft is fixedly mounted inside the protection housing, and the fixed shaft and the second adjusting rod are fixedly connected with one end of the third rotating seat away from the third rotating seat.

Optionally, the rotation axis is installed in protecting sheathing's inside damping rotation, the surface mounting of rotation axis has the roating seat, the roating seat rotates in protecting sheathing's inside, just the connecting seat of being connected with the surveying instrument is installed in the surface damping rotation of roating seat.

Optionally, protective housing's inside movable mounting has the connecting block, the second stripper plate is installed to one side integral type that the connecting block is close to the roating seat, first stripper plate is installed to one side top integral type that the roating seat is close to the second stripper plate, the roating seat was kept away from to first stripper plate one end is connected with the connecting block extrusion, the roating seat was kept away from to the connecting block one end moves about on the second is adjusted the pole.

Optionally, one end surface mounting that the roating seat was kept away from to the connecting block has first magnetic path, install the second magnetic path of being connected with first magnetic path magnetism absorption on the first roating seat, protection machanism still includes the restriction piece of fixed mounting on the second is adjusted the pole, the restriction piece is located the inside of connecting block, just the inner wall extrusion of restriction piece and connecting block is connected.

Optionally, the moving mechanism includes the handle with roating seat fixed connection, the moving mechanism still includes the slide with third roating seat fixed connection, the restriction groove has been seted up on the slide, the inside slidable mounting of slide has the slider, the equal fixed mounting in both sides of slider has the lug, the lug slides in the inside of restriction groove, one side fixed mounting of slider has the sealing rod, the one end movable mounting that the slider was kept away from to the sealing rod has a sealed section of thick bamboo, the sealing rod slides at the inside seal of a sealed section of thick bamboo, the one end movable mounting that the sealing rod was kept away from to a sealed section of thick bamboo has the connecting plate, one side and connecting block fixed connection of a sealed section of thick bamboo are kept away from to the connecting plate.

Optionally, a second inserted bar and a first inserted bar are respectively installed on the upper side and the lower side of the interior of the sliding plate, the second inserted bar and the first inserted bar are in a T shape, a spherical block is installed at one end of the second inserted bar and one end of the first inserted bar, a jack connected with the spherical block is formed in the sliding block, second scraping plates are installed on the two sides of the first inserted bar, and second wheels are installed on the two sides of the sliding plate in a rotating mode.

Optionally, the moving mechanism further comprises a fixing rod fixedly connected with the support, a wheel axle is mounted at one end of the fixing rod, first wheels are rotatably mounted on two sides of the wheel axle, and a first scraper is fixedly mounted in the middle of the wheel axle.

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

1. through rotating first rotation seat on the support, can change the position of first regulation pole, then slide the second on the first regulation pole again and rotate the seat, the second rotates the seat and can drive the third and rotate the seat and remove, the third rotates the seat and can drive the second and adjust the pole and remove, the third rotates the seat simultaneously and can rotate on the second rotates the seat, adjust the angle of second regulation pole, thereby the second is adjusted the pole and can be driven the mapping appearance removal that protection mechanism installed on protection mechanism, the position of regulation mapping appearance that from this can be nimble, in addition, can rotate the third and rotate the seat and rotate certain angle on the second rotates the seat, when making the second adjust the contained angle of pole and first regulation pole and be greater than 90 degrees less than or equal to 180, can prolong the distance that the mapping appearance adjusted along first regulation pole direction.

2. The roating seat can rotate in protecting sheathing's inside through the rotation axis, and the roating seat drives the connecting seat and rotates simultaneously, and the roating seat can drive the connecting seat and rotate to protecting sheathing's inside, can play the guard action to the connecting seat through protecting sheathing, avoids the impaired unable surveying instrument installation that makes of connecting seat.

3. When the rotary seat rotates, the rotary seat drives the first extrusion plate to rotate, the first extrusion plate can extrude the connecting block when rotating, the connecting block can move along the second adjusting rod, meanwhile, the connecting block can drive the sealing rod to extrude air in the sealing cylinder through the connecting plate, after the first extrusion plate and the second extrusion plate are extruded to a certain position, the first extrusion plate can be attached to the second extrusion plate, the sealing rod can extrude air in the sealing cylinder, the second extrusion plate can be always in an attached state with the first extrusion plate, therefore, the rotary seat can be guaranteed to rotate 90 degrees, the sliding block can slide in the sliding plate, at the moment, the convex blocks on two sides of the sliding block can slide in the limiting groove, the jack on the sliding block can be connected with the spherical block at one end of the second insertion rod or the first insertion rod, the stability of the second wheel is kept, the handle can rotate 90 degrees, the support can be inclined by a certain angle, the second wheel and the first wheel can be in contact with each other, at the moment, the measurer can hold the sliding plate to push, the first wheel and can move through the first wheel and the first wheel, the place can be conveniently transferred, and the working efficiency is improved.

4. First scraper blade, second scraper blade can hang the earth or the impurity of adhesion on first wheel, the second wheel, avoid earth or impurity to influence the second wheel, influence measurement simultaneously.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a surveying instrument positioning device for engineering surveying and mapping according to one embodiment of the present invention;

fig. 2 is a second schematic diagram of the overall structure of a surveying instrument positioning device for engineering surveying and mapping according to the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of a mapper positioning device for engineering surveying and mapping according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 of a mapper positioning device for engineering surveying and mapping according to the present invention;

FIG. 5 is a second cross-sectional view of a mapper positioning device for engineering surveying and mapping in accordance with the present invention;

fig. 6 is an enlarged view of part B in fig. 5 of a surveying instrument positioning device for engineering surveying and mapping according to the present invention.

In the figure: 1. a support; 2. an adjustment mechanism; 21. a first rotating base; 22. a first adjusting lever; 23. a second rotating base; 24. a third rotating base; 25. a second adjusting lever; 3. a protection mechanism; 31. a protective housing; 32. a connecting seat; 33. a rotating base; 34. a rotating shaft; 35. connecting blocks; 36. a first compression plate; 37. a second compression plate; 38. a limiting block; 39. a first magnetic block; 310. a second magnetic block; 311. a fixed shaft; 4. a moving mechanism; 41. a handle; 42. a slide plate; 43. a sealing cylinder; 44. a sealing rod; 45. a connecting plate; 46. a limiting groove; 47. a slider; 48. fixing the rod; 49. a first wheel; 410. a first squeegee; 411. a wheel shaft; 413. a first plunger; 414. a second squeegee; 415. a second plunger; 416. a second wheel; 417. and (4) inserting the jack.

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 drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the invention provides a mapping instrument positioning device for engineering mapping, which comprises a support 1 for supporting, an adjusting mechanism 2 capable of adjusting the position of the mapping instrument is arranged on the support 1, a protecting mechanism 3 capable of being connected with the mapping instrument is arranged on the adjusting mechanism 2, a moving mechanism 4 which is connected with the protecting mechanism 3 and can be conveniently carried is arranged on the support 1, the mapping instrument is arranged on the protecting mechanism 3, the position of the mapping instrument can be adjusted according to the actual situation through the adjusting mechanism 2 on the support 1, when the mapping instrument is required to be carried, the moving mechanism 4 can be moved through the protecting mechanism 3 and the moving mechanism 4 in a matching way, and therefore, the mapping instrument positioning device is convenient to carry and measure multiple places.

Further, the adjusting mechanism 2 includes a first rotating seat 21 connected with the support 1 in a damping rotation manner, a first adjusting rod 22 is installed on one side of the first rotating seat 21, a second rotating seat 23 is installed on the first adjusting rod 22 in a damping sliding manner, a third rotating seat 24 is installed on one side of the second rotating seat 23 in a damping rotation manner, the adjusting mechanism 2 further includes a second adjusting rod 25 fixedly connected with the third rotating seat 24, one end of the second adjusting rod 25, which is far away from the third rotating seat 24, is connected with the protection mechanism 3, by rotating the first rotating seat 21 on the support 1, the position of the first adjusting rod 22 can be changed, then the second rotating seat 23 is slid on the first adjusting rod 22, the second rotating seat 23 can drive the third rotating seat 24 to move, the third rotating seat 24 can drive the second adjusting rod 25 to move, meanwhile, the third rotating seat 24 can rotate on the second rotating seat 23, the angle of the second adjusting rod 25 is adjusted, so that the second rotating seat 25 can drive the protection mechanism 3 to move the surveying instrument installed on the protection mechanism 3, thereby the position of the surveying instrument can be adjusted flexibly, in addition, the position of the third rotating seat 24 can be extended to be equal to the included angle of the second rotating seat 22, and the surveying instrument, and the included angle of the second rotating seat 22 can be equal to or less than the included angle of the first rotating seat 22, and equal to the second angle adjusting rod 180.

Further, protection machanism 3 includes protecting sheathing 31, protecting sheathing 31's inside fixed mounting has fixed axle 311, fixed axle 311 keeps away from third rotation seat 24 one end fixed connection with second regulation pole 25, protecting sheathing 31's inside damping rotates installs rotation axis 34, the surface mounting of rotation axis 34 has roating seat 33, roating seat 33 rotates in protecting sheathing 31's inside, and the surface damping of roating seat 33 rotates installs the connecting seat 32 of being connected with the surveying instrument, pass through the mounting screw on connecting seat 32 with the surveying instrument, connecting seat 32 damping rotation on roating seat 33, the surveying instrument can rotate the regulation position on roating seat 33, roating seat 33 can rotate at protecting sheathing 31's inside through rotation axis 34 simultaneously, roating seat 33 drives connecting seat 32 and rotates, roating seat 33 can drive connecting seat 32 and rotate to protecting sheathing 31's inside, can play the guard action to connecting seat 32 through protecting sheathing 31, avoid connecting seat 32 impaired unable messenger's surveying instrument installation.

Furthermore, a connecting block 35 is movably mounted inside the protective casing 31, a second extrusion plate 37 is integrally mounted on one side of the connecting block 35 close to the rotating seat 33, a first extrusion plate 36 is integrally mounted on the top of one side of the rotating seat 33 close to the second extrusion plate 37, one end of the first extrusion plate 36 away from the rotating seat 33 is connected with the connecting block 35 in an extrusion manner, one end of the connecting block 35 away from the rotating seat 33 is movable on the second adjusting rod 25, when the rotating seat 33 rotates, the rotating seat 33 drives the first extrusion plate 36 to rotate, the first extrusion plate 36 can extrude the connecting block 35 when rotating, so that the connecting block 35 moves along the second adjusting rod 25, meanwhile, the connecting block 35 drives the sealing rod 44 through the connecting plate 45 to extrude air inside the sealing cylinder 43, after the first extrusion plate 36 and the second extrusion plate 37 are extruded to a certain position, the first extrusion plate 36 is connected with the second extrusion plate 37 in an attaching manner, meanwhile, the sealing rod 44 extrudes air inside the sealing cylinder 43, so that the second extrusion plate 37 can be always in an attaching state with the first extrusion plate 36, thereby ensuring that the rotating seat 33 can rotate at 90 degrees stably.

The surface of one end of the connecting block 35 far away from the rotating base 33 is provided with a first magnetic block 39, the first rotating base 21 is provided with a second magnetic block 310 which is magnetically attached to the first magnetic block 39, the protection mechanism 3 further comprises a limiting block 38 which is fixedly arranged on the second adjusting rod 25, the limiting block 38 is positioned inside the connecting block 35, the limiting block 38 is connected with the inner wall of the connecting block 35 in a pressing mode, when the second adjusting rod 25 is placed in parallel with the first adjusting rod 22 and the protection shell 31 is close to the first rotating base 21, the first magnetic block 39 on the connecting block 35 is connected with the second magnetic block 310 on the first rotating base 21 in an attaching mode, and the stability of the second adjusting rod 25 and the stability of the first rotating base 21 can be kept when the protection mechanism is carried.

Further, the moving mechanism 4 comprises a handle 41 fixedly connected with the rotating base 33, the moving mechanism 4 further comprises a sliding plate 42 fixedly connected with the third rotating base 24, the sliding plate 42 is provided with a limiting groove 46, a sliding block 47 is slidably mounted inside the sliding plate 42, both sides of the sliding block 47 are fixedly provided with a convex block, the convex block slides inside the limiting groove 46, one side of the sliding block 47 is fixedly provided with a sealing rod 44, one end of the sealing rod 44 far away from the sliding block 47 is movably provided with a sealing cylinder 43, the sealing rod 44 slides in the sealing cylinder 43 in a sealing manner, one end of the sealing cylinder 43 far away from the sealing rod 44 is movably provided with a connecting plate 45, one side of the connecting plate 45 far away from the sealing cylinder 43 is fixedly connected with the connecting block 35, the upper side and the lower side inside of the sliding plate 42 are respectively provided with a second inserting rod 415 and a first inserting rod 413, the second inserted link 415 and the first inserted link 413 are both T-shaped, a spherical block is mounted at one end of each of the second inserted link 415 and the first inserted link 413, an insertion hole 417 connected with the spherical block is formed in the sliding block 47, the second scraping plate 414 is mounted on two sides of the first inserted link 413, the second wheels 416 are rotatably mounted on two sides of the sliding plate 42, the sliding block 47 slides in the sliding plate 42, at the moment, protruding blocks on two sides of the sliding block 47 slide in the limiting groove 46, the insertion hole 417 on the sliding block 47 can be connected with the spherical block at one end of the second inserted link 415 or the first inserted link 413, the stability of the second wheels 416 is maintained, and meanwhile, the second scraping plate 414 can hang off soil or impurities adhered to the second wheels 416, so that the soil or the impurities are prevented from affecting the second wheels 416, and the measurement work is influenced.

Further, the moving mechanism 4 further includes a fixing rod 48 fixedly connected to the bracket 1, a wheel shaft 411 is mounted at one end of the fixing rod 48, first wheels 49 are rotatably mounted at two sides of the wheel shaft 411, a first scraper 410 is fixedly mounted at a middle position of the wheel shaft 411, when the moving mechanism needs to move, the rotating base 33 can be rotated, the connecting base 32 can be protected, the handle 41 can be rotated by 90 degrees, the bracket 1 is inclined by a certain angle, the second wheels 416 and the first wheels 49 contact the ground, at this time, a measurer can hold the sliding plate 42 to push the sliding plate, and the sliding plate can be moved through the first wheels 49 and the second wheels 416, so that the moving mechanism can be conveniently moved to a place, and can improve the working efficiency for multiple measurements.

The working principle is as follows: the position of the first adjusting rod 22 can be changed by rotating the first rotating seat 21 on the support 1, then the second rotating seat 23 slides on the first adjusting rod 22, the second rotating seat 23 can drive the third rotating seat 24 to move, the third rotating seat 24 can drive the second adjusting rod 25 to move, meanwhile, the third rotating seat 24 can rotate on the second rotating seat 23, the angle of the second adjusting rod 25 is adjusted, so that the second adjusting rod 25 can drive the surveying instrument arranged on the protection mechanism 3 to move, the position of the surveying instrument can be flexibly adjusted, in addition, the third rotating seat 24 can be rotated on the second rotating seat 23 for a certain angle, and when the included angle between the second adjusting rod 25 and the first adjusting rod 22 is larger than 90 degrees and smaller than or equal to 180 degrees, the adjusting distance of the surveying instrument along the direction of the first adjusting rod 22 can be prolonged; when the surveying instrument needs to be moved, the rotating seat 33 can rotate inside the protective shell 31 through the rotating shaft 34, meanwhile, the rotating seat 33 drives the connecting seat 32 to rotate, the rotating seat 33 can drive the connecting seat 32 to rotate to the inside of the protective shell 31, the connecting seat 32 can be protected through the protective shell 31, and the situation that the surveying instrument cannot be installed due to damage of the connecting seat 32 is avoided; when the rotary base 33 rotates, the rotary base 33 drives the first squeezing plate 36 to rotate, the first squeezing plate 36 squeezes the connecting block 35 when rotating, so that the connecting block 35 moves along the second adjusting rod 25, and simultaneously the connecting block 35 drives the sealing rod 44 to squeeze air in the sealing cylinder 43 through the connecting plate 45, after the first squeezing plate 36 and the second squeezing plate 37 are squeezed to a certain position, the first squeezing plate 36 is attached to the second squeezing plate 37, and simultaneously the sealing rod 44 squeezes air in the sealing cylinder 43, so that the second squeezing plate 37 can be always in an attached state with the first squeezing plate 36, thereby ensuring that the rotary base 33 keeps stable after rotating 90 degrees, the sliding block 47 slides in the sliding plate 42, and at the same time, the projections on both sides of the sliding block 47 slide in the limiting groove 46, so that the insertion hole 417 on the sliding block 47 can be connected with the second insertion rod 415 or the spherical block at one end of the first insertion rod 413, so that the stability of the second wheel 416 is maintained, and at the second scraping plate 414 can hang off soil or affect impurities on the second wheel 416, and at the same time, the second wheel 416 can be moved to measure the inclination of the wheel, so that the wheel 416, the working efficiency of a plurality of the wheel is improved, and the worker can be measured, and the worker can be conveniently measured by pushing the wheel, and the second wheel 416, and the worker, and the wheel 416, and the worker can be convenient to measure the wheel 49, and the angle of the wheel 416, and the wheel 416, and the wheel 49, and the wheel 416, and the measuring efficiency of the wheel, and the measuring instrument.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engineering is mapping for survey and drawing appearance positioner, is including support (1) that is used for the supporting role, its characterized in that, be provided with adjustment mechanism (2) that can adjust the mapping appearance position on support (1), be provided with protection mechanism (3) that can be connected with the mapping appearance on adjustment mechanism (2), be provided with on support (1) and be connected moving mechanism (4) that can conveniently carry with protection mechanism (3).

2. The mapping apparatus positioning device for engineering surveying and mapping according to claim 1, wherein the adjusting mechanism (2) comprises a first rotating base (21) connected with the support (1) in a damping rotation manner, a first adjusting rod (22) is installed on one side of the first rotating base (21), a second rotating base (23) is installed on the first adjusting rod (22) in a damping sliding manner, and a third rotating base (24) is installed on one side of the second rotating base (23) in a damping rotation manner.

3. The mapping apparatus positioning device for engineering surveying and mapping according to claim 2, wherein the adjusting mechanism (2) further comprises a second adjusting lever (25) fixedly connected to the third rotating base (24), and an end of the second adjusting lever (25) away from the third rotating base (24) is connected to the protection mechanism (3).

4. The surveying instrument positioning device for engineering surveying and mapping according to claim 3, characterized in that the protection mechanism (3) comprises a protection housing (31), a fixed shaft (311) is fixedly mounted inside the protection housing (31), and the fixed shaft (311) is fixedly connected with one end of the second adjusting lever (25) far from the third rotating base (24).

5. The mapping apparatus positioning device for engineering mapping according to claim 4, wherein the inner damping of the protection housing (31) is rotatably installed with a rotation shaft (34), the surface of the rotation shaft (34) is installed with a rotation seat (33), the rotation seat (33) is rotated inside the protection housing (31), and the surface damping of the rotation seat (33) is rotatably installed with a connection seat (32) connected with the mapping apparatus.

6. The mapping apparatus positioning device for engineering surveying and mapping according to claim 5, wherein a connecting block (35) is movably mounted inside the protective housing (31), a second pressing plate (37) is integrally mounted on one side of the connecting block (35) close to the rotating base (33), a first pressing plate (36) is integrally mounted on the top of one side of the rotating base (33) close to the second pressing plate (37), one end of the first pressing plate (36) far away from the rotating base (33) is connected with the connecting block (35) in a pressing manner, and one end of the connecting block (35) far away from the rotating base (33) is movable on the second adjusting rod (25).

7. The surveying instrument positioning device for engineering surveying and mapping as claimed in claim 6, wherein a first magnetic block (39) is installed on a surface of one end of the connecting block (35) far away from the rotating base (33), a second magnetic block (310) magnetically attached to the first magnetic block (39) is installed on the first rotating base (21), the protection mechanism (3) further comprises a limiting block (38) fixedly installed on the second adjusting rod (25), the limiting block (38) is located inside the connecting block (35), and the limiting block (38) is connected with an inner wall of the connecting block (35) in a pressing manner.

8. The mapping apparatus positioning device for engineering surveying and mapping according to claim 7, wherein the moving mechanism (4) includes a handle (41) fixedly connected to the rotating base (33), the moving mechanism (4) further includes a sliding plate (42) fixedly connected to the third rotating base (24), the sliding plate (42) is provided with a limiting groove (46), a sliding block (47) is slidably mounted inside the sliding plate (42), both sides of the sliding block (47) are fixedly provided with a protruding block, the protruding block slides inside the limiting groove (46), one side of the sliding block (47) is fixedly provided with a sealing rod (44), one end of the sealing rod (44) far away from the sliding block (47) is movably provided with a sealing cylinder (43), the sealing rod (44) slides inside the sealing cylinder (43) in a sealing manner, one end of the sealing cylinder (43) far away from the sealing rod (44) is movably provided with a connecting plate (45), and one side of the connecting plate (45) far away from the sealing cylinder (43) is fixedly connected to the connecting plate (35).

9. The mapping instrument positioning device for engineering surveying and mapping according to claim 8, wherein a second inserted bar (415) and a first inserted bar (413) are respectively installed on the upper side and the lower side of the interior of the sliding plate (42), the second inserted bar (415) and the first inserted bar (413) are both T-shaped, spherical blocks are installed at one ends of the second inserted bar (415) and the first inserted bar (413), an insertion hole (417) connected with the spherical blocks is formed in the sliding block (47), second scraping plates (414) are installed on two sides of the first inserted bar (413), and second wheels (416) are rotatably installed on two sides of the sliding plate (42).

10. The mapping machine positioning device for engineering surveying and mapping as claimed in claim 9, wherein the moving mechanism (4) further comprises a fixing rod (48) fixedly connected with the bracket (1), a wheel axle (411) is installed at one end of the fixing rod (48), first wheels (49) are rotatably installed at two sides of the wheel axle (411), and a first scraper (410) is fixedly installed at the middle position of the wheel axle (411).