CN115876158B

CN115876158B - Mountain slope geographic information survey and drawing device

Info

Publication number: CN115876158B
Application number: CN202310016300.8A
Authority: CN
Inventors: 刘法军; 魏霄利; 韩林
Original assignee: Fifth Geological Brigade of Shandong Provincial Bureua of Geology and Mineral Resources of Fifth Geological and Mineral Exploration Institute of Shandong Province
Current assignee: Fifth Geological Brigade of Shandong Provincial Bureua of Geology and Mineral Resources of Fifth Geological and Mineral Exploration Institute of Shandong Province
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-02
Anticipated expiration: 2043-01-06
Also published as: CN115876158A

Abstract

The invention provides a mountain gradient geographic information mapping device, and relates to the technical field of engineering mapping. The mountain slope geographic information mapping device comprises a main rod and a side cover. According to the invention, the fixed feet are inserted into a soil layer, the main rod can be fixed, the detection ruler is turned out from the storage cavity, two groups of laser lamps are turned on, rays emitted by the laser lamps are compared with the mountain ground, the angle of the main ruler is adjusted to enable the lower surface of the main ruler to be consistent with the slope of the mountain surface as much as possible, then the auxiliary ruler is unfolded, the auxiliary ruler is adjusted to be in a horizontal state through the position of bubbles in the bubble level meter, the angle is confirmed through scales of the pointer pointing dial, the mountain slope is obtained, the detection ruler can be folded and stored in the cavity when not used, the fixed feet can be screwed into the bottom cover, the carrying and the use are very convenient, the slope is confirmed through light beams emitted by the laser lamps, the detection range is greatly increased, the compass and the illumination lamp are arranged on the top cover, the auxiliary ruler can serve as a flashlight in non-mapping work, and the direction can be distinguished.

Description

Mountain slope geographic information survey and drawing device

Technical Field

The invention relates to the technical field of engineering mapping, in particular to a mountain gradient geographic information mapping device.

Background

Mountain often can be encountered in mountain engineering construction process, but mountain slope geographic information needs to be known in mountain construction, the common slope rule for detecting mountain slope information in the market and RTK equipment capable of three-dimensionally lofting can directly calculate the slope, but because of reasons such as high cost, strong professional requirement and the like, the configuration rate of the current construction site is not high, the common slope rule can only detect the mountain slope of the small section in the contact range, and the reference value is too low for judging the slope of the whole mountain slope, so that a mountain slope geographic information mapping device which can be used more simply and conveniently compared with the RTK equipment and is more accurate than the detection result of the traditional slope rule needs to be developed according to the conditions.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a mountain gradient geographic information mapping device, which solves the problems of high manufacturing cost of RTK equipment and small detection range of a gradient ruler with strong professional requirements.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a mountain slope geographic information mapping device, includes mobile jib, side cap, the mobile jib lateral wall is provided with the recess, the side cap is through two sets of cushion fixed connection at the recess inside wall, two sets of the cushion sets up both ends about the recess respectively, form between recess inside wall and the side cap and between two sets of cushion and accomodate the chamber, accomodate the intracavity portion and rotate through the pivot and be connected with the detection chi that is used for detecting the slope, it comprises main scale, auxiliary scale and bubble spirit level, pivot and main scale rotate and are connected, be provided with the limit structure who is used for interim restriction rotation angle between pivot and the main scale, main scale length direction both ends are provided with the shot-light structure that is used for checking main scale inclination and mountain slope unanimity, the side cap inner wall is provided with T type groove, T type groove inside wall sliding connection has T type slider, be provided with the locking structure that is used for locking position from top to bottom between T type slider and the pivot, be provided with the auxiliary structure that is used for providing auxiliary function on the mobile jib, the one end that the top cap was kept away from is rotated and is connected with bottom, the circumference is provided with down the mobile jib and is provided with along the annular groove, be provided with down the ring groove, be used for detecting between the bottom and the bottom lid and the side cap along the fixed connection.

Preferably, the main scale and the auxiliary scale are rotationally connected through the rotary pin, a dial used for identifying angles is arranged at the position of the periphery of the rotary pin of the main scale, a pointer is arranged on the outer wall of one end of the rotary pin of the auxiliary scale, one end of the pointer, far away from the auxiliary scale, points to the dial, and the bubble level meter is fixedly connected to one side, far away from the main scale, of the auxiliary scale and is located at the centering position of the length direction of the auxiliary scale.

Preferably, the spot lamp structure comprises two groups of laser lamps, the two groups of laser lamps are respectively and fixedly connected at two ends of the length direction of the main ruler, the two groups of light beams emitted by the laser lamps are in a coaxial state, and buttons for controlling the opening and closing of the laser lamps are further arranged at two ends of the length direction of the main ruler and positioned at the outer sides of the laser lamps.

Preferably, the locking structure comprises a release switch, a fixed rod, a first spring and a locking block, wherein a release hole is formed in one side, away from the main rod, of the T-shaped sliding block, the fixed rod is slidably connected to the inner side wall of the release hole, the fixed rod penetrates through the inner side wall of the release hole and extends out of the storage cavity, the locking block is fixedly connected to the end, extending out of the storage cavity, of the fixed rod, the release switch is fixedly connected to one end, away from the locking block, of the fixed rod, the first spring is sleeved on the outer wall of the fixed rod and is located between the inner side wall of the release hole and the release switch, and second teeth meshed with each other are formed between one opposite sides of the locking block and the side cover.

Preferably, the rotating shaft is fixedly connected to one end of the locking block, which is far away from the fixing rod.

Preferably, the limit structure comprises a metal ring, jackscrews, a second spring and a spring pin, wherein the metal ring is fixedly connected to the inner wall of a main ruler and is positioned in a centering position, a plurality of groups of first teeth which are annularly distributed are arranged on the inner side wall of the metal ring, the inner side wall of the metal ring is rotationally connected with a rotating shaft, the main ruler is rotationally connected with the rotating shaft through the metal ring, the jackscrews, the second spring and the spring pin are radially and sequentially distributed inside the rotating shaft according to the rotating shaft, one end of the spring pin, which is far away from the second spring, penetrates through the side wall of the rotating shaft and extends out of the rotating shaft, the spring pin is in sliding connection with the rotating shaft, a pointed end of the spring pin, which extends out of the rotating shaft, is provided with a meshed with the first teeth.

Preferably, the location structure includes chassis, fixed foot, chassis threaded connection is at the bottom inside wall, fixed foot fixed connection is at the chassis lower wall, the one end that the chassis was kept away from to the fixed foot runs through the bottom lower wall and with sliding connection, the mobile jib lower extreme is provided with prevents changeing the hole, chassis upper wall fixedly connected with prevents the bull stick, prevent that the bull stick is kept away from the one end of chassis and is prevented changeing hole inside wall sliding connection, prevent changeing hole, prevent that the bull stick overlook the cross-section and all be square.

Preferably, the auxiliary structure comprises a compass and an illuminating lamp, wherein the compass and the illuminating lamp are arranged on the upper wall of the top cover, and the side wall of the top cover is also provided with an illumination switch for controlling the illuminating lamp.

(III) beneficial effects

The invention provides a mountain gradient geographic information mapping device. The beneficial effects are as follows:

1. compared with the prior art, this mountain slope geographic information mapping device, with fixed foot from the bottom lemon, and insert the soil layer, but fixed mobile jib, again with the detection chi from accomodating the chamber and go out, open two sets of laser lamps, the ray that sends through the laser lamp compares with mountain ground, adjust main scale angle, make main scale lower surface and mountain surface slope unanimous as far as possible, then expand the auxiliary scale, position through bubble in the bubble spirit level is with the auxiliary scale adjustment being the horizontality, the scale confirmation angle of rethread pointer directional calibrated scale, obtain the mountain slope promptly, can fold when detecting the chi is not used and can accomodate the chamber, fixed foot also can screw in the bottom, carry and use all very conveniently, confirm the slope through the light beam that the laser lamp sent, the detection scope greatly increased.

2. Compared with the prior art, the mountain slope geographic information mapping device is characterized in that the compass and the illuminating lamp are arranged on the top cover, the device can be used as a flashlight in non-mapping work, and the direction can be distinguished.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention from a left front view;

FIG. 2 is a schematic view of the right front view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 4 is a partial cross-sectional view of the internal structure of the bottom cover of the present invention;

FIG. 5 is a schematic view of a partial structure of a main lever according to the present invention;

FIG. 6 is a schematic view of the structure of the measuring tape of the present invention;

FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 6;

FIG. 8 is an enlarged view of a portion of the invention at C in FIG. 6;

FIG. 9 is an enlarged view of a portion of the invention at D in FIG. 6;

FIG. 10 is a side partial cross-sectional view of the locking structure of the present invention;

FIG. 11 is a schematic view of the spring pin of the present invention.

Wherein, 1, the main pole; 2. a side cover; 3. a cushion block; 4. a storage chamber; 5. a top cover; 6. an illumination switch; 7. a compass; 8. a lighting lamp; 9. a T-shaped groove; 10. a T-shaped slider; 11. releasing the switch; 12. a secondary ruler; 13. a bottom cover; 14. a fixed foot; 15. a bubble level; 16. anti-rotation holes; 17. a chassis; 18. an anti-rotation rod; 19. a ring groove; 20. a main scale; 21. a laser lamp; 22. a metal ring; 23. a first tooth; 24. a rotary pin; 25. a pointer; 26. a dial; 27. a release hole; 28. a fixed rod; 29. a first spring; 30. a locking block; 31. a second tooth; 32. a rotating shaft; 33. a jackscrew; 34. a second spring; 35. and (5) spring pins.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1 to 11, the embodiment of the invention provides a mountain slope geographic information mapping device, which comprises a main rod 1 and a side cover 2, wherein the side wall of the main rod 1 is provided with a groove, the side cover 2 is fixedly connected to the inner side wall of the groove through two groups of cushion blocks 3, the two groups of cushion blocks 3 are respectively arranged at the upper end and the lower end of the groove, a storage cavity 4 is formed between the inner side wall of the groove and the side cover 2 and between the two groups of cushion blocks 3, a detection scale for detecting the slope is rotatably connected in the storage cavity 4 through a rotating shaft 32, the detection scale consists of a main scale 20, an auxiliary scale 12 and a bubble level meter 15, the rotating shaft 32 is rotatably connected with the main scale 20, the main scale 20 and the auxiliary scale 12 are rotatably connected through a rotating pin 24, a dial 26 for identifying angles is arranged at the position of the main scale 20, one end outer wall of the auxiliary scale 12, which is positioned at the rotating pin 24, a pointer 25 is far away from one end of the auxiliary scale 12, the pointer 26 is fixedly connected to one side of the auxiliary scale 12 which is far away from the main scale 20 and is positioned at the middle position in the length direction of the auxiliary scale 12, the auxiliary scale 20 is adjusted to be consistent with the mountain slope, the auxiliary scale 12 is opened, the auxiliary scale 12 is rotatably connected through the pointer 15, the auxiliary scale is adjusted to be in a level state through the pointer 25, and the bubble level meter is adjusted through the pointer 25, and the level meter is in a slope state.

A limiting structure for temporarily limiting the rotation angle is arranged between the rotating shaft 32 and the main scale 20, the limiting structure comprises a metal ring 22, a jackscrew 33, a second spring 34 and a spring pin 35, the metal ring 22 is fixedly connected to the inner wall of the main scale 20 and is positioned at the middle position, a plurality of groups of first teeth 23 which are annularly distributed are arranged on the inner side wall of the metal ring 22, the inner side wall of the metal ring 22 is rotationally connected with the rotating shaft 32, the main scale 20 is rotationally connected with the rotating shaft 32 through the metal ring 22, the jackscrew 33, the second spring 34 and the spring pin 35 are radially and sequentially distributed in the rotating shaft 32 according to the rotating shaft 32, one end of the spring pin 35, which is far away from the second spring 34, penetrates through the side wall of the rotating shaft 32 and extends to the outer side of the rotating shaft 32, the spring pin 35 is in sliding connection with the rotating shaft 32, one end of the spring pin 35, which extends out of the outer side of the rotating shaft 32, is provided with a pointed end, the pointed end of the first teeth 23 is meshed with the pointed end, the spring pin 35 is pushed out by the second spring pin 34, and the pointed end is partially inserted into the first teeth 23 of the inner side wall of the metal ring 22, so that the position of the main scale 20 and the rotating shaft 32 is temporarily fixed, when the angle is required to be adjusted, the position of the main scale 20 and the rotating shaft 32 is rotated, the main scale 20 is slightly, the inner side by force, the inner side of the main scale 20 is radially, and the inner side of the elastic pin 35 is extruded, and the main scale 20, when the main scale is not is rotated, and the main scale 20, and the dead weight is not and the main weight is changed by the position of the main scale when the main scale 20 and when the main scale is rotated, and when the position of the main scale is not and is rotated.

The two ends of the length direction of the main scale 20 are provided with a spot lamp structure for checking that the inclination angle of the main scale 20 is consistent with the slope of a mountain, the spot lamp structure comprises two groups of laser lamps 21, the two groups of laser lamps 21 are respectively and fixedly connected at the two ends of the length direction of the main scale 20, light beams emitted by the two groups of laser lamps 21 are in a coaxial state, buttons for controlling the on-off of the laser lamps 21 are further arranged at the two ends of the length direction of the main scale 20 and outside the laser lamps 21, the coaxial light beams emitted by the two groups of laser lamps 21 are compared with the surface of the mountain, the lower surface of the main scale 20 can be conveniently adjusted to be parallel to the surface of the mountain, the distance between the mountain surface which can be compared and referenced is very long, and the data is more representative;

the inner wall of the side cover 2 is provided with a T-shaped groove 9, the inner side wall of the T-shaped groove 9 is connected with a T-shaped sliding block 10 in a sliding manner, a locking structure for locking the upper position and the lower position is arranged between the T-shaped sliding block 10 and a rotating shaft 32, the locking structure comprises a release switch 11, a fixed rod 28, a first spring 29 and a locking block 30, one side of the T-shaped sliding block 10, which is far away from the main rod 1, is provided with a release hole 27, the fixed rod 28 is connected with the inner side wall of the release hole 27 in a sliding manner, the fixed rod 28 penetrates through the inner side wall of the release hole 27 and stretches out of the accommodating cavity 4, the locking block 30 is fixedly connected with the end of the fixed rod 28, which stretches out of the accommodating cavity 4, the release switch 11 is fixedly connected with one end of the fixed rod 28, the first spring 29 is sleeved on the outer wall of the fixed rod 28 and is positioned between the inner side wall of the release hole 27 and the release switch 11, the locking block 30 and one side opposite to the side of the side cover 2 are respectively provided with a second tooth 31 meshed with each other, the rotating shaft 32 is fixedly connected with one end of the locking block 30, which is far away from the fixed rod 28, the locking block 30 is elastically supported by the first spring 29, two groups of second tooth 31 are meshed with each other, the locking block 30 is fixedly positioned, when the release switch 11 is pressed, one end of the release switch 28 is far from the side of the locking block 30, and the second tooth 30 is separated from the T-shaped groove 2, and the second tooth 2 is separated from the upper position from the main slide groove 20, and the T-shaped sliding block 2;

the upper end of the main rod 1 is connected with a top cover 5 through threads, an auxiliary structure for providing auxiliary functions is arranged on the top cover 5, the auxiliary structure comprises a compass 7 and an illuminating lamp 8, the compass 7 and the illuminating lamp 8 are arranged on the upper wall of the top cover 5, an illuminating switch 6 for controlling the illuminating lamp 8 is further arranged on the side wall of the top cover 5, when the flashlight is not in operation, the illuminating lamp 8 can serve as a flashlight, and the compass 7 can help to distinguish directions;

the mobile jib 1 is kept away from the one end rotation of top cap 5 and is connected with bottom 13, mobile jib 1 lower extreme circumference outer wall is provided with annular 19, bottom 13 goes up the mouth inside wall and is provided with protruding edge, bottom 13, mobile jib 1 is through protruding edge, annular 19 rotates to be connected, be provided with the location structure that is used for fixed mobile jib 1 position when detecting between bottom 13 and the mobile jib 1, location structure includes chassis 17, fixed foot 14, chassis 17 threaded connection is at bottom 13 inside wall, fixed foot 14 fixed connection is at chassis 17 lower wall, fixed foot 14 is kept away from the one end of chassis 17 and runs through bottom 13 lower wall and with sliding connection, mobile jib 1 lower extreme is provided with anti-rotation hole 16, chassis 17 upper wall fixedly connected with anti-rotation pole 18, anti-rotation pole 18 is kept away from one end and anti-rotation hole 16 inside wall sliding connection of chassis 17, anti-rotation pole 18 overlook the cross-section and all is square, when rotating bottom 13, through the threaded connection of bottom 13 and chassis 17, can drive chassis 17 rise or descend in chassis 13, thereby drive fixed foot 14 and retract and stretch out from bottom 13, more conveniently carry after the retract.

Working principle: when the bottom cover 13 is rotated, the bottom cover 13 is connected with the bottom plate 17 through threads, the bottom plate 17 can be driven to ascend or descend in the bottom cover 13, so that the fixed leg 14 is driven to retract and extend out from the bottom cover 13, the fixed leg 14 is inserted into a soil layer to fix the main rod 1, the coaxial light beams emitted by the two groups of laser lamps 21 are compared with the surface of a mountain, the lower surface of the main scale 20 can be conveniently adjusted to be parallel to the surface of the mountain, the auxiliary scale 12 is opened, the auxiliary scale 12 is adjusted to be in a horizontal state through the bubble level meter 15, the gradient can be confirmed through the pointer 25 and the dial 26, a pointed end of the elastic pin 35 extending out of the outer side of the rotating shaft 32 is provided with a pointed end, the elastic pin 35 is ejected out by the second spring 34, and the pointed end part is inserted into the first tooth 23 on the inner side wall of the metal ring 22, when the angle of the main scale 20 is required to be adjusted, the main scale 20 is rotated with a little force, the elastic pin 35 is extruded and retracted to the inner side wall of the rotating shaft 32, when the main scale 20 rotates to the range of the next first tooth 23, the elastic pin 35 is ejected again, after the hand is loosened, the position of the rotating shaft 32 of the main scale 20 cannot be changed due to the dead weight of the main scale 20, the locking block 30 is elastically supported by the first spring 29, the two groups of second teeth 31 are meshed, the locking block 30 is fixed in position, when the release switch 11 is pressed, the two groups of second teeth 31 between the locking block 30 and the side cover 2 are separated from each other, the T-shaped sliding block 10 can be pushed to slide up and down along the T-shaped groove 9 at the moment, so that the height position of the main scale 20 is adjusted, when the flashlight is not operated, the illuminating lamp 8 can serve as a flashlight, and the compass 7 can help to distinguish directions.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Mountain slope geographic information survey and drawing device, including mobile jib (1), side cap (2), its characterized in that: the utility model discloses a novel multifunctional spot lamp, including main rod (1) and auxiliary rod (2), main rod (1) lateral wall is provided with the recess, side cap (2) are through two sets of cushion (3) fixed connection at the recess inside wall, two sets of cushion (3) set up both ends about the recess respectively, form between recess inside wall and side cap (2) and between two sets of cushion (3) and accomodate chamber (4), accomodate chamber (4) inside and rotate through pivot (32) and be connected with the detection chi that is used for detecting the slope, the detection chi comprises main rod (20), auxiliary rod (12) and bubble spirit level (15), pivot (32) are connected with main rod (20) rotation, be provided with the limit structure who is used for interim restriction rotation angle between pivot (32) and main rod (20), main rod (20) length direction both ends are provided with and are used for checking main rod (20) inclination and mountain slope unanimous structure, side cap (2) inner wall is provided with T type groove (9), T type groove (9) inside wall sliding connection has T type slider (10), be provided with between T type slider (10) and main rod (20) rotation end (20) are provided with the auxiliary cap (5) and are used for keeping away from on the top cap (5), the circumference outer wall of the lower end of the main rod (1) is provided with a ring groove (19), the inner side wall of the upper edge opening of the bottom cover (13) is provided with a convex edge, the bottom cover (13) and the main rod (1) are rotationally connected through the convex edge and the annular groove (19), and a positioning structure for fixing the position of the main rod (1) during detection is arranged between the bottom cover (13) and the main rod (1).

2. The mountain grade geographic information mapping device of claim 1, wherein: the utility model discloses a bubble level meter, including main scale (20), auxiliary scale (12), main scale (20), auxiliary scale (12) are connected through rotating in pivot pin (24), main scale (20) are located pivot pin (24) outlying position and are provided with calibrated scale (26) that are used for discernment angle, auxiliary scale (12) are located the one end outer wall of pivot pin (24) and are provided with pointer (25), the one end directional calibrated scale (26) of auxiliary scale (12) are kept away from to pointer (25), bubble level meter (15) fixed connection is kept away from one side of main scale (20) and is located auxiliary scale (12) length direction centering position in auxiliary scale (12).

3. The mountain grade geographic information mapping device of claim 2, wherein: the spot lamp structure comprises two groups of laser lamps (21), the two groups of the laser lamps (21) are respectively and fixedly connected to two ends of the length direction of a main ruler (20), the two groups of the laser lamps (21) emit light beams which are in a coaxial state, and buttons used for controlling the opening and closing of the laser lamps (21) are further arranged at two ends of the length direction of the main ruler (20) and located on the outer side of the laser lamps (21).

4. A mountain grade geographic information mapping apparatus as claimed in claim 3, wherein: the locking structure comprises a release switch (11), a fixing rod (28), a first spring (29) and a locking block (30), wherein a release hole (27) is formed in one side, far away from the main rod (1), of the T-shaped sliding block (10), the fixing rod (28) is slidably connected to the inner side wall of the release hole (27), the fixing rod (28) penetrates through the inner side wall of the release hole (27) and stretches out of the storage cavity (4), the locking block (30) is fixedly connected to the end, stretching out of the storage cavity (4), of the fixing rod (28), the release switch (11) is fixedly connected to one end, far away from the locking block (30), of the fixing rod (28), the first spring (29) is sleeved between the inner side wall of the release hole (27) and the release switch (11), and second teeth (31) which are meshed with each other are formed between one opposite sides of the locking block (30) and the side cover (2).

5. The mountain grade geographic information mapping device of claim 4 wherein: the rotating shaft (32) is fixedly connected to one end of the locking block (30) far away from the fixed rod (28).

6. The mountain grade geographic information mapping device of claim 5 wherein: the limiting structure comprises a metal ring (22), jackscrews (33), second springs (34) and elastic pins (35), wherein the metal ring (22) is fixedly connected to the inner wall of a main ruler (20) and is positioned in a position, multiple groups of first teeth (23) which are annularly distributed are arranged on the inner side wall of the metal ring (22), the inner side wall of the metal ring (22) is rotationally connected with a rotating shaft (32), the main ruler (20) is rotationally connected with the rotating shaft (32) through the metal ring (22), the jackscrews (33), the second springs (34) and the elastic pins (35) are radially and sequentially distributed inside the rotating shaft (32) according to the rotating shaft (32), one end of each elastic pin (35) far away from the second springs (34) penetrates through the side wall of the rotating shaft (32) and extends out of the rotating shaft (32), the elastic pins (35) are in sliding connection with the rotating shaft (32), and one end of each elastic pin (35) extending out of the rotating shaft (32) is provided with a pointed end which is meshed with the corresponding first teeth (23).

7. The mountain grade geographic information mapping device of claim 6 wherein: the utility model provides a locating structure includes chassis (17), fixed foot (14), chassis (17) threaded connection is at bottom (13) inside wall, fixed foot (14) fixed connection is at chassis (17) lower wall, the one end that chassis (17) was kept away from to fixed foot (14) runs through bottom (13) lower wall and sliding connection with it, mobile jib (1) lower extreme is provided with rotation prevention hole (16), chassis (17) upper wall fixedly connected with prevents bull stick (18), rotation prevention hole (16) inside wall sliding connection is kept away from to one end that chassis (17) was kept away from to bull stick (18), rotation prevention hole (16), rotation prevention stick (18) overlook the cross-section and all are square.

8. The mountain grade geographic information mapping device of claim 7 wherein: the auxiliary structure comprises a compass (7) and an illuminating lamp (8), wherein the compass (7) and the illuminating lamp (8) are arranged on the upper wall of the top cover (5), and the side wall of the top cover (5) is also provided with an illumination switch (6) for controlling the illuminating lamp (8).