Topographic surveying and mapping measuring device

Abstract

The invention relates to the technical field of topographic surveying and mapping, and discloses a topographic surveying and mapping measuring device, which comprises a placement plate, the top of the placement plate is fixedly connected with a mounting seat, the top of the mounting seat is provided with a protection box, the protection box is internally provided with a surveying and mapping instrument, and the placement plate is provided with a supporting mechanism. The supporting mechanism comprises a rotating cylinder, a rotating block, a positioning hole, a positioning rod, a first threaded rod, a first lifting plate, a hinge rod, a supporting rod, an adjusting rod, a frame body and a pointed cone. In forest topographic surveying and mapping, the ground condition is complex and changeable, a supporting mechanism of the device can accurately adapt to the uneven ground through cooperative operation of a rotating block, a first threaded rod, a first lifting plate, a hinge rod, a supporting rod and an adjusting rod, it is ensured that a pointed cone stably pierces into the ground, meanwhile, a supporting plate further enhances the supporting effect, and the supporting plate is matched with the pointed cone, so that the supporting effect is improved. The stability of the device in complex terrains is greatly improved, measurement errors are effectively reduced, and a foundation is laid for obtaining accurate surveying and mapping data.

Description

Technical Field

[0001] The invention relates to the technical field of topographic surveying and mapping, and in particular to a topographic surveying and mapping measuring device. Background Art

[0002] Surveying and mapping engineering is the collection, processing, analysis, expression and application of spatial information. In the process of engineering construction, various surveying and measurements are often required to ensure that the construction is carried out strictly according to the plan. After the project is completed, the project is also measured to ensure the quality of the project. Therefore, surveying and mapping engineering plays an important role in the process of engineering construction.

[0003] According to a Chinese patent with the publication number of "CN208026265U", a topographic surveying and mapping device with the function of adjusting the installation height is disclosed; it includes a surveying instrument, a mounting rod, a working platform, an electric telescopic rod, a surveying and mapping flat plate, a base plate and a conical support foot; a dustproof eye mask is provided on the outside of the surveying lens of the surveying and mapping instrument, the surveying and mapping instrument is arranged on the upper end surface of the working platform through the mounting rod, a group of support rods and an electric telescopic rod a are provided on the upper end surface of the working platform, the top of the electric telescopic rod a is connected with the surveying and mapping flat plate, the working platform and the base plate are connected through the electric telescopic rod, and the bottom of the base plate is provided with a conical support foot; the utility model not only has the functions of adjusting the installation height of the surveying and mapping device, protecting the surveyor's eyes from being harmed by flying sand and facilitating the surveyor to record data, but also can meet the needs of surveyors of different heights; in addition, when a plumb bob is used to judge whether the surveying and mapping device is vertical, the installation height of the working platform can also be measured.

[0004] The above patent, when in use, is supported by tapered legs, which is not suitable for complex terrains. This results in inaccurate measurements when performing topographic mapping of forests. Therefore, a topographic mapping measuring device is proposed to solve the above problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a topographic surveying and mapping measuring device in view of the deficiencies in the above-mentioned prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a topographic surveying and mapping device, comprising a placement plate, a mounting seat is fixedly connected to the top of the placement plate, a protection box is arranged on the top of the mounting seat, a surveying instrument is arranged inside the protection box, a support mechanism is arranged on the placement plate, and the support mechanism comprises a rotating cylinder, a rotating block, a positioning hole, a positioning rod, a first threaded rod, a first lifting plate, a hinged rod, a support rod, an adjustment rod, a frame, and a pointed cone;

[0007] The rotating drum rotates through the top and bottom of the placement plate, a movable groove is opened on the top of the rotating drum, the rotating block is slidably connected to the inner wall of the movable groove, the positioning hole is opened on the top of the placement plate, the positioning rod is fixedly connected to the rotating block, and the positioning rod is slidably connected to the inner wall of the positioning hole;

[0008] The first threaded rod is rotatably connected to the bottom of the placement plate, and the first threaded rod is transmission-connected to the rotating drum through a gear set, the first lifting plate is threadably connected to the first threaded rod, one end of the hinged rod is hinged to the side of the first lifting plate, the top of the support rod is hinged to the bottom of the placement plate, and the support rod is hinged to the other end of the hinged rod, the adjusting rod is slidably connected to the inner wall of the support rod, one end of the frame is hinged to the bottom of the adjusting rod, and the pointed cone is fixedly connected to the bottom of the frame.

[0009] Preferably, the cross-sectional shape of the bottom of the movable groove and the rotating block is a regular hexagon, and the bottom of the inner wall of the movable groove and the bottom of the rotating block are connected by a spring.

[0010] Preferably, a fixing hole is formed on the adjusting rod, and a fixing pin is provided on the supporting rod, wherein the fixing pin threadably penetrates the supporting rod and extends to the inside of the fixing hole.

[0011] Preferably, a support plate is hinged on the frame, and the frame and the support plate are connected by a torsion spring, the top of the support plate is fixedly connected with a buckle, a pressure rod is provided on the frame, the pressure rod movably passes through the top of the frame, the top of the pressure rod is fixedly connected with a pressure block, the bottom of the pressure rod is fixedly connected with a movable plate, the top of the movable plate is connected to the top of the inner wall of the frame by a spring, the top of the movable plate is fixedly connected with a clamping block, and the clamping block is clamped with the buckle.

[0012] Preferably, a stabilizing mechanism is provided on the first threaded rod, and the stabilizing mechanism includes a second threaded rod, a second lifting plate, a telescopic rod, a connecting rod, a bottom plate, and a pad. The second threaded rod is fixedly connected to the bottom of the first threaded rod, and the second lifting plate is threadedly connected to the second threaded rod. Two ends of the telescopic rod are respectively fixedly connected to the bottom of the first lifting plate and the top of the second lifting plate. The connecting rod is fixedly connected to the bottom of the second lifting plate, and the bottom plate is fixedly connected to the bottom of the connecting rod. The top of the pad is fixedly connected to the bottom of the bottom plate through a universal joint, and an elastic anti-slip pad is provided at the bottom of the pad.

[0013] Preferably, the thread direction of the second threaded rod is opposite to that of the first threaded rod, and a limiting block is provided at the bottom of the second threaded rod.

[0014] Preferably, a protective mechanism is provided on the mounting seat, and the protective mechanism includes a fixed plate, a worm, a knob, a rotating rod, and a worm wheel. The fixed plate is fixedly connected to the top of the mounting seat, the worm passes through the fixed plate and is rotatably connected to the fixed plate, the knob is fixedly connected to one end of the worm, the rotating rod rotatably passes through the top and bottom of the mounting seat, the worm wheel is fixedly connected to the bottom of the rotating rod, and the worm wheel is meshingly connected to the worm, and the top of the rotating rod is fixedly connected to the bottom of the protective box.

[0015] Preferably, the protection mechanism also includes an electric push rod, a mounting plate, a storage box, a spray head, a rotating shaft, a rotating plate, and a push block. The electric push rod is fixedly mounted on the bottom of the inner wall of the protection box, the mounting plate is fixedly connected to the top of the movable end of the electric push rod, and the surveying instrument is installed on the top of the mounting plate, the storage box is fixedly connected to the bottom of the inner wall of the protection box, the spray head is installed on the inner wall of the protection box, and the spray head is connected to the top of the storage box, the rotating shaft is rotatably connected to the inner wall of the protection box, the rotating plate is fixedly connected to the rotating shaft, and the rotating plate is connected to the inner wall of the protection box through a torsion spring, and the push block is fixedly connected to the top of the mounting plate, and one end of the push block is below the rotating plate.

[0016] Preferably, a box door is hinged on the top of the protection box, a mounting groove is provided on the top of the protection box, a fixing rod is installed on the inner wall of the mounting groove by bolts, and a wiping block is installed on the fixing rod.

[0017] Preferably, a liquid adding pipe is provided on the back side of the storage box, and the liquid adding pipe is fixedly passed through the back side of the protection box.

[0018] The present invention adopts the above technical solution to bring the following beneficial effects:

[0019] 1. This kind of topographic surveying and measuring device, in forest topographic surveying and mapping, the ground conditions are complex and changeable. The supporting mechanism of this device can accurately adapt to the uneven ground through the coordinated operation of the rotating block, the first threaded rod, the first lifting plate, the hinged rod, the support rod and the adjusting rod, ensuring that the pointed cone is firmly embedded in the ground. At the same time, the support plate further enhances the supporting effect and cooperates with the pointed cone to greatly improve the stability of the device in complex terrain, effectively reduce measurement errors, and lay the foundation for obtaining accurate surveying and mapping data.

[0020] 2. This kind of topographic surveying and measuring device has soft ground in the forest. The second threaded rod, the second lifting plate, the connecting rod, the bottom plate and other components can conveniently adjust the overall height of the device to meet different terrain measurement needs. The pad and the elastic anti-slip pad increase the contact area with the ground, enhance the friction, provide reliable support on soft ground, and work together with the supporting mechanism to enable the device to work stably on all kinds of forest ground, ensuring smooth surveying and mapping.

[0021] 3. This topographic surveying and mapping device has a protective mechanism on the mounting base that facilitates the direction adjustment of the surveying instrument. The combination of the worm, knob and worm gear allows the operator to easily adjust its direction without repeatedly disassembling and assembling the surveying instrument, which significantly expands the surveying and mapping range. Its self-locking function ensures that the direction is stable after adjustment, reduces recalibration time, improves surveying and mapping efficiency, enables surveying and mapping work to quickly and comprehensively cover the target area, and improves the overall work progress.

[0022] 4. This topographic surveying and measuring device is used in a forest environment with high humidity. The protective box provides effective protection for the surveying instrument, blocks moisture intrusion, reduces the risk of equipment damage, and extends its service life. The electric push rod and mounting plate are provided to facilitate extending and retracting the surveying instrument into and out of the protective box.

[0023] 5. In this topographic surveying and mapping device, during the use of the surveying and mapping instrument, the electric push rod, mounting plate, storage box, spray head, rotating shaft, rotating plate, push block and other components of the protective mechanism work together. When the surveying and mapping instrument is extended, the anti-fog agent is automatically sprayed and evenly applied to ensure the clarity of the lens, avoid fog interfering with the surveying and mapping line of sight, ensure the accuracy of the surveying and mapping data, and reduce the measurement deviation caused by environmental factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front schematic diagram of the present invention;

[0025] Figure 2 It is a side sectional view of the present invention;

[0026] Figure 3 It is a bottom schematic diagram of the present invention;

[0027] Figure 4 It is a front cross-sectional view of the present invention;

[0028] Figure 5 This is a schematic diagram of the top of the placement plate of the present invention;

[0029] Figure 6 This is a schematic diagram of the top of the protective box of the present invention;

[0030] Figure 7 This is a schematic diagram of the frame of the present invention;

[0031] Figure 8 It is a cross-sectional view of the frame of the present invention;

[0032] Fig. 9 This is an enlarged schematic diagram of point A of the present invention;

[0033] Fig.10 This is an enlarged schematic diagram of point B of the present invention;

[0034] Fig.11 It is an enlarged schematic diagram of point C of the present invention.

[0035] In the figure: 1, placement plate; 2, mounting seat; 3, protection box; 4, surveying instrument; 5, support mechanism; 51, rotating drum; 52, rotating block; 53, positioning hole; 54, positioning rod; 55, first threaded rod; 56, first lifting plate; 57, hinged rod; 58, support rod; 59, adjustment rod; 510, frame; 511, pointed cone; 512, support plate; 513, buckle; 514, pressure rod; 515, pressure block; 516, movable plate; 517, card block ; 6. Stabilizing mechanism; 61. Second threaded rod; 62. Second lifting plate; 63. Telescopic rod; 64. Connecting rod; 65. Bottom plate; 66. Pad; 7. Protective mechanism; 71. Fixed plate; 72. Worm; 73. Knob; 74. Turning rod; 75. Worm gear; 76. Electric push rod; 77. Mounting plate; 78. Storage box; 79. Spray head; 710. Rotating shaft; 711. Turning plate; 712. Push block; 713. Fixed rod; 714. Wiping block. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0040] See also Figure 1-11An embodiment of the present invention is: a topographic surveying and mapping device, comprising a placement plate 1, a mounting seat 2 is fixedly connected to the top of the placement plate 1, a protective box 3 is arranged on the top of the mounting seat 2, a surveying instrument 4 is arranged inside the protective box 3, a supporting mechanism 5 is arranged on the placement plate 1, and the supporting mechanism 5 comprises a rotating cylinder 51, a rotating block 52, a positioning hole 53, a positioning rod 54, a first threaded rod 55, a first lifting plate 56, a hinged rod 57, a support rod 58, an adjusting rod 59, a frame 510, and a pointed cone 511; the rotating cylinder 51 rotates through the top and bottom of the placement plate 1, a movable groove is opened on the top of the rotating cylinder 51, the rotating block 52 is slidably connected to the inner wall of the movable groove, the positioning hole 53 is opened at the top of the placement plate 1, the positioning rod 54 is fixedly connected to the rotating block 52, and the positioning rod 54 is slidably connected to the inner wall of the positioning hole 53. The first threaded rod 55 is rotatably connected to the bottom of the placement plate 1, and the first threaded rod 55 is transmission-connected to the rotating drum 51 through a gear set, the first lifting plate 56 is threadedly connected to the first threaded rod 55, one end of the hinged rod 57 is hinged to the side of the first lifting plate 56, the top of the support rod 58 is hinged to the bottom of the placement plate 1, and the support rod 58 is hinged to the other end of the hinged rod 57, the adjustment rod 59 is slidably connected to the inner wall of the support rod 58, one end of the frame 510 is hinged to the bottom of the adjustment rod 59, the pointed cone 511 is fixedly connected to the bottom of the frame 510, and the movable groove The bottom cross-section of the movable groove and the bottom of the rotating block 52 is a regular hexagon. The bottom of the inner wall of the movable groove and the bottom of the rotating block 52 are connected by a spring. A fixing hole is opened on the adjusting rod 59. A fixing pin is arranged on the support rod 58. The fixing pin thread penetrates the support rod 58 and extends to the inside of the fixing hole. A support plate 512 is hinged on the frame 510, and the frame 510 and the support plate 512 are connected by a torsion spring. The top of the support plate 512 is fixedly connected with a buckle 513. A pressure rod 514 is arranged on the frame 510. The pressure rod 514 movably penetrates the top of the frame 510. The pressure rod The top of the pressure rod 514 is fixedly connected with a pressure block 515, the bottom of the pressure rod 514 is fixedly connected with a movable plate 516, the top of the movable plate 516 is connected to the top of the inner wall of the frame 510 through a spring, the top of the movable plate 516 is fixedly connected with a clamping block 517, and the clamping block 517 is clamped with the buckle 513, and the first threaded rod 55 is provided with a stabilizing mechanism 6, which includes a second threaded rod 61, a second lifting plate 62, a telescopic rod 63, a connecting rod 64, a bottom plate 65, and a pad 66. The second threaded rod 61 is fixedly connected to the first threaded rod 55. At the bottom, the thread direction of the second threaded rod 61 is opposite to that of the first threaded rod 55, and a limit block is set at the bottom of the second threaded rod 61, the second lifting plate 62 is threadedly connected to the second threaded rod 61, and the two ends of the telescopic rod 63 are respectively fixedly connected to the bottom of the first lifting plate 56 and the top of the second lifting plate 62, the connecting rod 64 is fixedly connected to the bottom of the second lifting plate 62, the bottom plate 65 is fixedly connected to the bottom of the connecting rod 64, the top of the pad 66 is fixedly connected to the bottom of the bottom plate 65 through a universal joint, and an elastic anti-slip pad is set at the bottom of the pad 66.

[0041] Working principle: When surveying and measuring forest terrain, place the device on the ground so that the pad 66 contacts the ground, first pull the rotating block 52 upward to separate the positioning rod 54 from the positioning hole 53, and then rotate the rotating block 52. The rotating block 52 drives the rotating drum 51 to rotate, thereby driving the first threaded rod 55 to rotate through the gear set. The rotation of the first threaded rod 55 will drive the second threaded rod 61 to rotate, thereby driving the second lifting plate 62 to move up and down to adjust the overall height of the device. At the same time, the first threaded rod 55 will drive the first lifting plate 56 and the second lifting plate 62 to move in the opposite direction, thereby driving the support rod 58 to unfold through the hinge rod 57. When the height adjustment is completed, the cone 511 is aligned with the ground by pulling the adjustment rod 59. When the support plate 512 is not in use, the support plate 512 is flipped over. The buckle 513 on the support plate 512 will first squeeze the block 517 downwards under the action of the spring, and then the block 517 is snapped into the buckle 513 to fix it, and the adjusting rod 59 is put into the support rod 58, and then the rotating block 52 is rotated in the opposite direction to store the support rod 58 inward.

[0042] See also Figure 1-11On the basis of the above embodiment, in another embodiment of the present invention, preferably, a protective mechanism 7 is provided on the mounting seat 2, and the protective mechanism 7 includes a fixed plate 71, a worm 72, a knob 73, a rotating rod 74, and a worm wheel 75. The fixed plate 71 is fixedly connected to the top of the mounting seat 2, the worm 72 passes through the fixed plate 71 and is rotatably connected to the fixed plate 71, the knob 73 is fixedly connected to one end of the worm 72, the rotating rod 74 rotates through the top and bottom of the mounting seat 2, the worm wheel 75 is fixedly connected to the bottom of the rotating rod 74, and the worm wheel 75 is meshed with the worm 72, the top of the rotating rod 74 is fixedly connected to the bottom of the protective box 3, the protective mechanism 7 also includes an electric push rod 76, a mounting plate 77, a storage box 78, a spray head 79, a rotating shaft 710, a rotating plate 711, and a push block 712, the electric push rod 76 is fixedly installed at the bottom of the inner wall of the protective box 3, the mounting plate 77 It is fixedly connected to the top of the movable end of the electric push rod 76, and the surveying instrument 4 is installed on the top of the mounting plate 77. The storage box 78 is fixedly connected to the bottom of the inner wall of the protection box 3. The spray head 79 is installed on the inner wall of the protection box 3, and the spray head 79 is connected to the top of the storage box 78. The rotating shaft 710 is rotatably connected to the inner wall of the protection box 3. The rotating plate 711 is fixedly connected to the rotating shaft 710. The rotating plate 711 is connected to the inner wall of the protection box 3 through a torsion spring. The push block 712 is fixedly connected to the top of the mounting plate 77, and one end of the push block 712 is below the rotating plate 711. The top of the protection box 3 is hinged with a box door, and the top of the protection box 3 is provided with a mounting groove. The inner wall of the mounting groove is installed with a fixing rod 713 by bolts, and a wiping block 714 is installed on the fixing rod 713. The back of the storage box 78 is connected with a liquid adding pipe, and the liquid adding pipe is fixedly passed through the back of the protection box 3.

[0043] Working principle: by turning the knob 73, the worm gear 72 is driven to rotate, thereby driving the rotating rod 74 to rotate through the worm gear 75, and the rotating rod 74 will drive the protective box 3 to rotate, thereby adjusting the surveying direction of the surveying instrument 4. When the direction adjustment is completed, the box door on the protective box 3 is opened, and the electric push rod 76 is started to drive the mounting plate 77 to rise and extend the surveying instrument 4 out of the protective box 3 for surveying. During the rising process of the mounting plate 77, the push block 712 will be driven to rise, thereby driving one end of the rotating plate 711 to rise and causing the other end of the rotating plate 711 to fall, thereby squeezing the spray head 79, and spraying the anti-fog agent onto the lens of the surveying instrument 4 through the spray head 79. The mounting plate 77 continues to rise, and the push block 712 will separate from one end of the rotating plate 711, so that the rotating plate 711 is reset under the action of the torsion spring, and the spraying is stopped. At this time, the wiping block 714 will contact the lens of the surveying instrument 4 to evenly apply the anti-fog agent to the lens of the surveying instrument 4.

[0044] The present invention provides a topographic surveying and mapping device. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A topographic surveying and mapping device, comprising a placement plate (1), characterized in that: The top of the placement plate (1) is fixedly connected to a mounting seat (2), a protection box (3) is arranged on the top of the mounting seat (2), a surveying instrument (4) is arranged inside the protection box (3), a support mechanism (5) is arranged on the placement plate (1), and the support mechanism (5) comprises a rotating drum (51), a rotating block (52), a positioning hole (53), a positioning rod (54), a first threaded rod (55), a first lifting plate (56), a hinged rod (57), a support rod (58), an adjusting rod (59), a frame (510), and a pointed cone (511); The rotating drum (51) rotates and penetrates the top and bottom of the placement plate (1); a movable groove is provided on the top of the rotating drum (51); the rotating block (52) is slidably connected to the inner wall of the movable groove; the positioning hole (53) is provided on the top of the placement plate (1); the positioning rod (54) is fixedly connected to the rotating block (52); and the positioning rod (54) is slidably connected to the inner wall of the positioning hole (53); The first threaded rod (55) is rotatably connected to the bottom of the placement plate (1), and the first threaded rod (55) is transmission-connected to the rotating drum (51) through a gear set. The first lifting plate (56) is threadably connected to the first threaded rod (55). One end of the hinged rod (57) is hinged to the side of the first lifting plate (56). The top of the support rod (58) is hinged to the bottom of the placement plate (1), and the support rod (58) is hinged to the other end of the hinged rod (57). The adjusting rod (59) is slidably connected to the inner wall of the support rod (58). One end of the frame (510) is hinged to the bottom of the adjusting rod (59), and the pointed cone (511) is fixedly connected to the bottom of the frame (510).

2. A topographic surveying and mapping device according to claim 1, characterized in that: The cross-sectional shapes of the bottoms of the movable groove and the rotating block (52) are regular hexagons, and the bottom of the inner wall of the movable groove and the bottom of the rotating block (52) are connected via a spring.

3. A topographic surveying and mapping device according to claim 2, characterized in that: The adjusting rod (59) is provided with a fixing hole, and the supporting rod (58) is provided with a fixing pin, wherein the fixing pin threadably penetrates the supporting rod (58) and extends to the interior of the fixing hole.

4. A topographic surveying and mapping device according to claim 3, characterized in that: A support plate (512) is hinged on the frame (510), and the frame (510) and the support plate (512) are connected by a torsion spring. The top of the support plate (512) is fixedly connected with a buckle (513). A pressure rod (514) is provided on the frame (510). The pressure rod (514) movably passes through the top of the frame (510). The top of the pressure rod (514) is fixedly connected with a pressure block (515). The bottom of the pressure rod (514) is fixedly connected with a movable plate (516). The top of the movable plate (516) is connected to the top of the inner wall of the frame (510) by a spring. The top of the movable plate (516) is fixedly connected with a clamping block (517), and the clamping block (517) is clamped with the buckle (513).

5. A topographic surveying and mapping device according to claim 4, characterized in that: The first threaded rod (55) is provided with a stabilizing mechanism (6), and the stabilizing mechanism (6) comprises a second threaded rod (61), a second lifting plate (62), a telescopic rod (63), a connecting rod (64), a bottom plate (65), and a pad (66). The second threaded rod (61) is fixedly connected to the bottom of the first threaded rod (55), the second lifting plate (62) is threadedly connected to the second threaded rod (61), two ends of the telescopic rod (63) are respectively fixedly connected to the bottom of the first lifting plate (56) and the top of the second lifting plate (62), the connecting rod (64) is fixedly connected to the bottom of the second lifting plate (62), the bottom plate (65) is fixedly connected to the bottom of the connecting rod (64), the top of the pad (66) is fixedly connected to the bottom of the bottom plate (65) through a universal joint, and an elastic anti-slip pad is provided at the bottom of the pad (66).

6. A topographic surveying and mapping device according to claim 5, characterized in that: The thread direction of the second threaded rod (61) is opposite to that of the first threaded rod (55), and a limit block is provided at the bottom of the second threaded rod (61).

7. A topographic surveying and mapping device according to claim 6, characterized in that: The mounting seat (2) is provided with a protection mechanism (7), and the protection mechanism (7) comprises a fixed plate (71), a worm (72), a knob (73), a rotating rod (74), and a worm wheel (75). The fixed plate (71) is fixedly connected to the top of the mounting seat (2), the worm (72) passes through the fixed plate (71) and is rotatably connected to the fixed plate (71), the knob (73) is fixedly connected to one end of the worm (72), the rotating rod (74) rotatably passes through the top and bottom of the mounting seat (2), the worm wheel (75) is fixedly connected to the bottom of the rotating rod (74), and the worm wheel (75) is meshedly connected to the worm (72), and the top of the rotating rod (74) is fixedly connected to the bottom of the protection box (3).

8. A topographic surveying and mapping device according to claim 7, characterized in that: The protection mechanism (7) further comprises an electric push rod (76), a mounting plate (77), a storage box (78), a spray head (79), a rotating shaft (710), a rotating plate (711), and a push block (712); the electric push rod (76) is fixedly mounted on the bottom of the inner wall of the protection box (3); the mounting plate (77) is fixedly connected to the top of the movable end of the electric push rod (76); the surveying instrument (4) is mounted on the top of the mounting plate (77); the storage box (78) is fixedly connected to the bottom of the inner wall of the protection box (3); The spray head (79) is mounted on the inner wall of the protective box (3), and the spray head (79) is connected to the top of the storage box (78). The rotating shaft (710) is rotatably connected to the inner wall of the protective box (3). The rotating plate (711) is fixedly connected to the rotating shaft (710). The rotating plate (711) is connected to the inner wall of the protective box (3) through a torsion spring. The push block (712) is fixedly connected to the top of the mounting plate (77), and one end of the push block (712) is located below the rotating plate (711).

9. A topographic surveying and mapping device according to claim 8, characterized in that: The top of the protection box (3) is hinged with a box door, the top of the protection box (3) is provided with a mounting groove, the inner wall of the mounting groove is mounted with a fixing rod (713) by means of bolts, and a wiping block (714) is mounted on the fixing rod (713).

10. A topographic surveying and mapping device according to claim 9, characterized in that: The back side of the storage box (78) is connected to a liquid adding pipe, and the liquid adding pipe is fixedly passed through the back side of the protection box (3).

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