CN116176640A

CN116176640A - Geographic information survey and drawing railcar and level azimuth measuring device thereof

Info

Publication number: CN116176640A
Application number: CN202310489189.4A
Authority: CN
Inventors: 张战伟; 刘雁兵; 李增三
Original assignee: Shandong Mingjia Survey And Mapping Co ltd
Current assignee: Shandong Mingjia Survey And Mapping Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-05-30
Anticipated expiration: 2043-05-04
Also published as: CN116176640B

Abstract

The invention discloses a geographic information mapping railcar and a leveling azimuth measuring device thereof, belonging to the technical field of geographic information mapping. According to the invention, the second air cylinder is controlled to rotate to be parallel to the surface of the supporting plate, the second U-shaped bracket is positioned below the first connecting plate, the driving frame is adjusted to be separated from the triangular block, the inclination angle of the supporting plate in the current direction is calculated through the distance measured by the distance sensor, and the fourth motor is started to adjust the testing direction, so that the inclination angle of the supporting plate in any direction can be tested.

Description

Geographic information survey and drawing railcar and level azimuth measuring device thereof

Technical Field

The invention belongs to the technical field of geographic information mapping, and particularly relates to a geographic information mapping railcar and a leveling azimuth measuring device thereof.

Background

Geographic information mapping is a generic term representing the number, quality, distribution characteristics, interrelated numbers, text, graphics, images inherent to a feature and an environment. The mapping geographic information has spatial positioning characteristics, multiple attribute structural characteristics and temporal change characteristics.

Geographic information survey railcar is a conventional surveying device, however, because the geographical environment is complicated in surveying and mapping, the surveying and mapping railcar is easy to incline during surveying and mapping, and therefore errors are likely to be generated with the expected surveying and mapping azimuth during adjustment of the surveying and mapping azimuth, meanwhile, the geographic information survey railcar is usually remotely controlled, and if the surveying and mapping is subjected to rainy and snowy weather, damage is likely to be caused, so that the problems are solved, and the geographic information survey railcar and the leveling azimuth measuring device thereof are provided.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a geographic information mapping railcar and a leveling azimuth measuring device thereof, wherein a second cylinder is controlled to rotate to be parallel to the surface of a supporting plate, a second U-shaped bracket is positioned below a first connecting plate, a driving frame is adjusted to be separated from a triangular block, the inclination angle of the supporting plate in the current azimuth is calculated through the distance measured by a distance sensor, a fourth motor is started to adjust the testing azimuth, so that the inclination angle of the supporting plate in any azimuth can be tested, a supporting plate in a lower azimuth is lifted through telescopic supporting legs corresponding to the supporting plate, and a supporting plate in a higher azimuth is lowered to be adjusted to be horizontal, so that the mapping azimuth of a mapping instrument can be conveniently adjusted.

In order to achieve the above purpose, the invention provides a geographic information mapping railcar, which comprises a chassis, wherein a supporting plate is arranged above the chassis, a connecting piece is connected between the supporting plate and the chassis, supporting feet distributed in an array are fixed below the supporting plate, the supporting feet can be electrically contracted, and the supporting feet are distributed around the connecting piece.

The connecting piece is including fixing the first drive box in the backup pad below, and first drive box internal fixation has first motor, and the output shaft of first motor runs through the bottom plate of first drive box, is connected with the spherical hinge between the output shaft of first motor and the chassis.

In one example, a fixture for fixing the surveying instrument is fixed above the support plate.

The mounting is fixed with the second drive box including the first cylinder of perpendicular fixed in backup pad top, the output shaft top of first cylinder, and second drive box internal fixation has the second motor, and the output shaft of second motor runs through the roof of second drive box and is fixed with first U-shaped support, rotates on the first U-shaped support and is equipped with the second cylinder.

One side of the first U-shaped support is fixed with a third motor for driving the second air cylinder to rotate, a first connecting plate is fixed on an output shaft of the second air cylinder, when the first air cylinder is vertical and the second air cylinder is horizontal, the first connecting plate is horizontal, one side of the first connecting plate is fixed with a fourth motor, and an output shaft of the fourth motor penetrates through the first connecting plate to be fixed with the second U-shaped support.

One side plate of the second U-shaped support is fixed on an output shaft of the fourth motor, a third U-shaped support which is symmetrically distributed is fixed on the outer wall of the other side plate of the second U-shaped support, a third air cylinder is fixed on the inner wall of the third U-shaped support, a strip-shaped plate is rotationally arranged on the third U-shaped support, a clamping head is fixed at one end, far away from the third U-shaped support, of the strip-shaped plate, and a triangular block is fixed at one side, far away from the axis of the third air cylinder, of the strip-shaped plate.

The output shaft of the third cylinder penetrates through the second U-shaped support to be fixed with a driving frame, rectangular holes which are symmetrically distributed are formed in the driving frame, the strip-shaped plates are sleeved in the corresponding rectangular holes, and the driving frame is located between the second U-shaped support and the triangular block.

In one example, a storage device for containing surveying and mapping instruments is further fixed above the supporting plate, and a supporting frame and a rainproof device are further arranged on the supporting plate.

In one example, the support frame includes two support bodies and two first slide rails, and the two first slide rails are respectively fixed at two ends of the support plate.

The support body includes two first sliders, and two first sliders are located two first slide rails respectively and slide, are fixed with the third drive box on the first slider, and third drive box internal fixation has the fifth motor, and the output shaft of fifth motor runs through the curb plate that the third drive box kept away from first slide rail one side and is fixed with the second connecting block, is fixed with on the second connecting block with the output shaft vertically fourth cylinder of fifth motor, and the support body still includes the connecting rod, and the both ends of connecting rod are connected respectively on the output shaft of two fourth cylinders.

In one example, the rainproof device comprises a winding shaft and two first fixing blocks, the first fixing blocks are fixed on one side of the supporting plate, two ends of the winding shaft are respectively located on the two first fixing blocks to rotate, a seventh motor for driving the winding shaft to rotate is fixed on one of the first fixing blocks, the winding shaft is wound with a piece of rainproof cloth, and the free end of the piece of rainproof cloth is fixed on a connecting rod close to the winding shaft.

In one example, the storage device comprises a plurality of storage boxes fixed above the support plate, a floating plate is placed in the storage boxes, and an annular first air bag is fixed above the floating plate.

In one example, the railcar further includes an inflation device for inflating the first bladder.

The inflatable device holds the case including fixing in the backup pad, holds the incasement and has placed the second gasbag, holds the both sides inner wall of case and has all seted up vertical second slide rail, and the slip is equipped with the second slider in the second slide rail, is connected with the clamp plate that is used for pressing the second gasbag between the second slider, and the top of clamp plate is fixed with the pipe box.

The inner wall of pipe box is equipped with the internal thread, holds the top of case and is fixed with the apron, rotates on the apron and is equipped with the axis of rotation, and the top of axis of rotation is fixed with the drive piece, and the below is fixed with the second lead screw with pipe box screw-thread fit.

The second air bag is communicated with an air outlet pipe, a plurality of connectors are communicated with the air outlet pipe, and the connectors are connected with the air inlet of the first air bag through hoses.

In one example, a flexible cord is connected between the floating plate and the storage case.

In one example, the bottom plate of the storage box is provided with a through hole, and the through hole penetrates through the supporting plate.

The utility model provides a level azimuth measuring device is applied to foretell geographic information survey and drawing railcar, level azimuth measuring device includes distance sensor, and distance sensor fixes on one of them strip shaped plate, and distance sensor is located one side that the strip shaped plate is close to the third cylinder axis, and distance sensor is used for detecting the distance between two strip shaped plates, and when drive frame and triangle piece break away from and the second U-shaped support is located the below of first connecting plate, under the action of gravity, the strip shaped plate is vertical.

The geographic information mapping railcar and the leveling azimuth measuring device thereof provided by the invention have the following beneficial effects:

1. according to the railway vehicle, the first connecting plate is adjusted to be parallel to the supporting plate, then the inclination of the first connecting plate in any direction is tested, namely the inclination of the supporting plate in any direction is tested, and the supporting plate is adjusted to be horizontal according to the tested inclination, so that the surveying and mapping direction of a surveying and mapping instrument can be conveniently adjusted, and the measuring error is reduced;

2. when the rail car is used for storing the surveying instrument, the surveying instrument is placed on the corresponding floating plate, and when the rail car is in operation, the first air bag can be inflated, so that gaps between the storage box and the surveying instrument are filled, the surveying instrument is prevented from being damaged in the operation process of the rail car, and when the surveying instrument is taken out, the first air bag is deflated, and the taking is convenient;

3. according to the invention, the rain-proof cloth can be unfolded when the rail vehicle is in a rainy or snowy day, so that the rain-proof cloth is covered above the rail vehicle, and the damage to the rail vehicle caused by rainy or snowy weather when the rail vehicle is used for field mapping is avoided;

4. compared with the prior art, the traditional surveying and mapping vehicle is easy to incline during surveying and mapping, errors are easy to be generated with the expected surveying and mapping direction during surveying and mapping direction adjustment, the surveying and mapping vehicle is usually remotely controlled, damage is likely to be caused if the surveying and mapping vehicle encounters rainy and snowy weather, and the problems can be effectively overcome.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic view of a first view angle structure of a geographic information mapping railcar according to the present invention.

Fig. 2 is a schematic diagram of a second view angle structure of a geographic information mapping railcar according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 1.

Fig. 5 is a cross-sectional view of a geographic information mapping railcar support plate and storage device structure of the present invention.

FIG. 6 is a cross-sectional view of a geographic information mapping railcar support plate and inflator device structure in accordance with the present invention.

Fig. 7 is a schematic view of a third view angle structure of a geographic information mapping railcar according to the present invention.

In the figure:

1. a chassis; 2. a rail wheel; 3. a support plate; 4. a connecting piece; 5. a fixing member; 6. supporting feet; 7. a support frame; 8. a storage device; 9. an inflator; 41. a first drive cassette; 42. a first motor; 43. spherical hinge; 51. a first cylinder; 52. a second drive cassette; 53. a second motor; 54. a first U-shaped bracket; 55. a second cylinder; 56. a third motor; 57. a first connection plate; 58. a fourth motor; 59. a second U-shaped bracket; 510. a third U-shaped bracket; 511. a strip-shaped plate; 512. a chuck; 513. triangular blocks; 514. a third cylinder; 515. a drive rack; 516. a rectangular hole; 61. round head; 71. a first slide rail; 72. a first slider; 73. a third drive cassette; 74. a fifth motor; 75. a second connection block; 76. a fourth cylinder; 77. a connecting rod; 78. a second connecting plate; 79. a third connecting plate; 710. a sixth motor; 711. a first screw rod; 81. a storage box; 82. a through hole; 83. a floating plate; 84. a first air bag; 85. a soft rope; 91. a storage case; 92. a second slide rail; 93. a second air bag; 94. a pressing plate; 95. a second slider; 96. a pipe sleeve; 97. a cover plate; 98. a rotating shaft; 99. a driving block; 910. a second screw rod; 911. an air inlet pipe; 912. a switch valve; 913. an air outlet pipe; 914. a joint; 10. a distance sensor; 20. a rain-proof device; 201. a first fixed block; 202. a winding shaft; 203. a seventh motor; 204. a waterproof cloth.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

The embodiment of the invention provides a geographic information mapping railcar, which comprises a chassis 1, as shown in fig. 1, rail wheels 2 distributed in an array are arranged below the chassis 1, a supporting plate 3 is arranged above the chassis 1, a connecting piece 4 is connected between the supporting plate 3 and the chassis 1, supporting legs 6 distributed in an array are fixed below the supporting plate 3, the supporting legs 6 can be electrically contracted, round heads 61 are fixed below the supporting legs 6, and the supporting legs 6 are distributed around the connecting piece 4.

The top of backup pad 3 is fixed with the mounting 5 that is used for fixing surveying instrument, and surveying instrument can be video camera, camera etc. and the top of backup pad 3 still is fixed with the storage device 8 that is used for holding surveying instrument, still is equipped with support frame 7 and rain insensitive device 20 on the backup pad 3.

The connecting piece 4 comprises a first driving box 41 fixed below the supporting plate 3, a first motor 42 is fixed in the first driving box 41, an output shaft of the first motor 42 penetrates through a bottom plate of the first driving box 41, and a spherical hinge 43 is connected between the output shaft of the first motor 42 and the chassis 1.

The fixing member 5 includes a first cylinder 51 vertically fixed above the support plate 3, as shown in fig. 2 and 3, a second driving box 52 is fixed above an output shaft of the first cylinder 51, a second motor 53 is fixed in the second driving box 52, a first U-shaped bracket 54 is fixed on an output shaft of the second motor 53 penetrating through a top plate of the second driving box 52, and a second cylinder 55 is rotatably provided on the first U-shaped bracket 54.

A third motor 56 for driving the second air cylinder 55 to rotate is fixed on one side of the first U-shaped bracket 54, a first connecting plate 57 is fixed on an output shaft of the second air cylinder 55, when the first air cylinder 51 is vertical and the second air cylinder 55 is horizontal, the first connecting plate 57 is horizontal, a fourth motor 58 is fixed on one side of the first connecting plate 57, and a second U-shaped bracket 59 is fixed on an output shaft of the fourth motor 58 penetrating through the first connecting plate 57.

One side plate of the second U-shaped bracket 59 is fixed on the output shaft of the fourth motor 58, a third U-shaped bracket 510 which is symmetrically distributed is fixed on the outer wall of the other side plate of the second U-shaped bracket 59, a third air cylinder 514 is fixed on the inner wall of the third U-shaped bracket 510, a strip-shaped plate 511 is rotatably arranged on the third U-shaped bracket 510, a clamping head 512 is fixed at one end, far away from the third U-shaped bracket 510, of the strip-shaped plate 511, and a triangular block 513 is fixed at one side, far away from the axis of the third air cylinder 514, of the strip-shaped plate 511.

The output shaft of the third cylinder 514 penetrates through the second U-shaped bracket 59 to be fixed with a driving frame 515, rectangular holes 516 which are symmetrically distributed are formed in the driving frame 515, the strip-shaped plates 511 are sleeved in the corresponding rectangular holes 516, the driving frame 515 is located between the second U-shaped bracket 59 and the triangular blocks 513, and the driving frame 515 can control the rotation of the strip-shaped plates 511 by pressing the triangular blocks 513 through the telescopic third cylinder 514.

The support frame 7 includes two support bodies and two first slide rails 71, as shown in fig. 4, and the two first slide rails 71 are respectively fixed at two ends of the support plate 3.

The support body includes two first sliders 72, and two first sliders 72 are located two first slide rail 71 respectively and slide, are fixed with third drive box 73 on the first slider 72, and third drive box 73 internal fixation has fifth motor 74, and the output shaft of fifth motor 74 runs through the curb plate that third drive box 73 kept away from first slide rail 71 one side and is fixed with second connecting block 75, is fixed with on the second connecting block 75 with the perpendicular fourth cylinder 76 of output shaft of fifth motor 74, and the support body still includes connecting rod 77, and the both ends of connecting rod 77 are connected respectively on the output shaft of two fourth cylinders 76.

One end of the first sliding rail 71 is fixed with a second connecting plate 78, a third connecting plate 79 is fixed on the third driving box 73, two sixth motors 710 are fixed on the second connecting plate 78, an output shaft of each sixth motor 710 penetrates through the second connecting plate 78 to be fixed with a first screw 711, and the first screw 711 is in threaded fit with the corresponding third connecting plate 79.

The rainproof device 20 comprises a winding shaft 202 and two first fixing blocks 201, the first fixing blocks 201 are fixed on one side of the supporting plate 3, two ends of the winding shaft 202 are respectively located on the two first fixing blocks 201 to rotate, a seventh motor 203 for driving the winding shaft 202 to rotate is fixed on one first fixing block 201, a piece of rainproof cloth 204 is wound on the winding shaft 202, and the free end of the rainproof cloth 204 is fixed on a connecting rod 77 close to the winding shaft 202.

The storage device 8 includes a plurality of storage boxes 81 fixed above the support plate 3, as shown in fig. 5, through holes 82 are formed in the bottom plate of the storage boxes 81, the through holes 82 penetrate through the support plate 3, a floating plate 83 is placed in the storage boxes 81, an annular first air bag 84 is fixed above the floating plate 83, and a soft rope 85 is connected between the floating plate 83 and the storage boxes 81.

The railcar further comprises an inflator 9 for inflating the first bladder 84.

The inflator 9 includes a holding box 91 fixed on the support plate 3, as shown in fig. 6 and 7, a second air bag 93 is placed in the holding box 91, vertical second slide rails 92 are provided on inner walls of two sides of the holding box 91, a second slide block 95 is slidably provided in the second slide rails 92, a pressing plate 94 for pressing the second air bag 93 is connected between the second slide blocks 95, and a pipe sleeve 96 is fixed above the pressing plate 94.

The inner wall of the pipe sleeve 96 is provided with internal threads, a cover plate 97 is fixed above the holding box 91, a rotating shaft 98 is rotatably arranged on the cover plate 97, a driving block 99 is fixed above the rotating shaft 98, and a second screw rod 910 in threaded fit with the pipe sleeve 96 is fixed below the rotating shaft 98.

The second air bag 93 is provided with an air inlet pipe 911 for connecting the air pump, the air inlet pipe 911 is provided with a switch valve 912, the second air bag 93 is provided with an air outlet pipe 913, the air outlet pipe 913 is provided with a plurality of connectors 914, and the connectors 914 are connected with the air inlet of the first air bag 84 through a hose.

The utility model provides a level azimuth measuring device, be applied to above-mentioned geographical information survey and drawing railcar, level azimuth measuring device includes distance sensor 10, distance sensor 10 connects the control system who presets, distance sensor 10 fixes on one of them strip shaped plate 511, distance sensor 10 is located one side that strip shaped plate 511 is close to the axis of third cylinder 514, distance sensor 10 is used for detecting the distance between two strip shaped plates 511, when drive frame 515 breaks away from with triangular block 513 and second U-shaped support 59 is located the below of first connecting plate 57, under the action of gravity, strip shaped plate 511 is vertical.

In use, the second cylinder 55 is controlled to rotate to be perpendicular to the first cylinder 51 by starting the third motor 56, the second cylinder 55 is parallel to the support plate 3 because the first cylinder 51 is perpendicular to the support plate 3, the first connecting plate 57 fixed on the output shaft of the second cylinder 55 is parallel to the support plate 3, the driving frame 515 is separated from the triangle 513 by contracting the third cylinder 514, the inclination angle of the first connecting plate 57 in the current direction is calculated by the distance measured by the distance sensor 10, namely, the inclination angle of the support plate 3 in the current direction is calculated, the distance between the rotating shafts of the two strip plates 511 is assumed to be L, the L value is a fixed value, the data detected by the distance sensor 10 is X, the inclination of the first connecting plate 57 in the current direction is

The current orientation is the orientation of the distance sensor 10, then +.>

Then: />

The fourth motor 58 is started to adjust the testing direction, so that the inclination of the first connecting plate 57 in any direction can be detected, namely the inclination of the supporting plate 3 in any direction can be detected, the length of the corresponding supporting leg 6 is adjusted according to the inclination of the supporting plate 3 detected in each direction, and finally the inclination of the supporting plate 3 in any direction is adjusted to be 0, and at the moment, the supporting plate 3 is horizontal, so that the surveying and mapping direction of the surveying and mapping instrument can be conveniently adjusted.

When depositing the surveying instrument, put it on the kickboard 83 that corresponds, when the railcar is operated, can rotate the drive block 99 and make clamp plate 94 press the second gasbag 93 with its interior gas pressure in first gasbag 84, first gasbag 84 fills between case 81 and surveying instrument this moment, avoid damaging at the in-process surveying instrument of railcar operation, when taking the surveying instrument, control clamp plate 94 upwards moves for first gasbag 84 shrink, be convenient for take, the rotation of drive block 99 can manual rotation by the manual work, also can start fourth motor 58 control drive block 99 and rotate after holding drive block 99 through chuck 512 centre gripping.

When the surveying instrument is taken, the positions of the clamping heads 512 are adjusted through the cooperation of the second motor 53 and the second air cylinder 55, the two clamping heads 512 are respectively positioned above two sides of the surveying instrument to be clamped, the two clamping heads 512 are distributed on two sides of the surveying instrument through contracting the first air cylinder 51, the driving frame 515 is enabled to press the triangular block 513 through the starting of the third air cylinder 514, the two clamping heads 512 are controlled to be close to each other until the surveying instrument is clamped, the surveying instrument is clamped up through the stretching of the first air cylinder 51, and the shooting position and the shooting angle are adjusted through the cooperation of the first air cylinder 51, the second motor 53, the third motor 56 and the second air cylinder 55.

During rainy and snowy days, the seventh motor 203 is started to release the waterproof cloth 204, the corresponding fourth air cylinder 76 is started to control the connecting rod 77 connected with the waterproof cloth 204 to move to the side far away from the rolling shaft 202 to spread the waterproof cloth 204, the corresponding fifth motor 74 is started to rotate the connecting rod 77 connected with the waterproof cloth 204 from one side to the other side of the supporting plate 3, and meanwhile, the waterproof cloth 204 is covered above the railcar, so that damage to the waterproof cloth 204 caused by rainy and snowy days during field mapping is avoided, and meanwhile, the waterproof cloth 204 is fixed on the connecting rod 77 without pressing the waterproof cloth 204 by a heavy object, so that time and labor are saved.

When the water level is too high, rainwater enters the storage box 81 through the through holes 82, and due to the buoyancy of the floating plate 83 and the first air bag 84, the surveying instrument in the storage box can be driven to float on the water surface, the risk of the surveying instrument being damaged by rainwater is reduced, the hose is pulled to fall off in the process of avoiding floating of the surveying instrument by the aid of the soft rope 85, and the surveying instrument is prevented from floating too far to be found.

When the dust is required to be cleaned on the railway car or the surveying instrument, one hose can be clamped by the fixing piece 5 to be torn off from the corresponding first air bag 84, and the position of the air outlet of the hose is adjusted through the cooperation of the first air cylinder 51, the second motor 53, the third motor 56 and the second air cylinder 55, so that the air in the second air bag 93 is discharged to the position to be cleaned, and the purpose of cleaning the dust is achieved.

When the rail car needs to be replaced, the fourth air cylinder 76 is rotated to be vertical, the two connecting rods 77 are located below the chassis 1, the fourth air cylinder 76 is extended to enable the connecting rods 77 to support the ground until the rail wheel 2 is separated from the current rail, the direction of the chassis 1 is adjusted by starting the first motor 42, the supporting plate 3 is controlled to move to one side of a new rail by starting the two sixth motors 710, the specific movement principle is as follows, when the connecting rods 77 are supported on the ground, the rail wheel 2 is suspended, the connecting rods 77 are stationary relative to the ground, the third connecting plate 79 is stationary relative to the ground in a state that the fourth air cylinder 76 is not started, when the sixth motor 710 is started, the first screw 711 is controlled to be in threaded fit with the corresponding third connecting plate 79, the distance between the sixth motor 710 and the third connecting plate 79 is changed in the process that the first screw 711 is rotated relative to the ground, namely, the sixth motor 710 is translated relative to the ground, and the second connecting plate 78 is fixed on the first sliding rail 71, the first sliding rail 71 is fixed on the supporting plate 3, the second sliding rail 71 is fixed on the sliding rail 3, the second motor is controlled to be parallel to the new rail wheel 710, and the rail car can be replaced by sliding the second sliding rail wheel 3, and the rail wheel is replaced relative to the current rail wheel 710 is replaced by sliding the new rail wheel 3.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the scope of the claims of the present invention.

Claims

1. The rail car for mapping the geographic information comprises a chassis (1), and is characterized in that a supporting plate (3) is arranged above the chassis (1), a connecting piece (4) is connected between the supporting plate (3) and the chassis (1), supporting feet (6) distributed in an array are fixed below the supporting plate (3), the supporting feet (6) can be electrically contracted, and the supporting feet (6) are distributed around the connecting piece (4);

the connecting piece (4) comprises a first driving box (41) fixed below the supporting plate (3), a first motor (42) is fixed in the first driving box (41), an output shaft of the first motor (42) penetrates through a bottom plate of the first driving box (41), and a spherical hinge (43) is connected between the output shaft of the first motor (42) and the chassis (1).

2. A geographical information mapping railcar according to claim 1, characterized in that above said support plate (3) is fixed a fixture (5) for fixing a mapping instrument;

the fixing piece (5) comprises a first air cylinder (51) vertically fixed above the supporting plate (3), a second driving box (52) is fixed above an output shaft of the first air cylinder (51), a second motor (53) is fixed in the second driving box (52), a first U-shaped bracket (54) is fixed on an output shaft of the second motor (53) penetrating through a top plate of the second driving box (52), and a second air cylinder (55) is rotatably arranged on the first U-shaped bracket (54);

a third motor (56) for driving the second air cylinder (55) to rotate is fixed on one side of the first U-shaped bracket (54), a first connecting plate (57) is fixed on an output shaft of the second air cylinder (55), when the first air cylinder (51) is vertical and the second air cylinder (55) is horizontal, the first connecting plate (57) is horizontal, a fourth motor (58) is fixed on one side of the first connecting plate (57), and the output shaft of the fourth motor (58) penetrates through the first connecting plate (57) to be fixed with a second U-shaped bracket (59);

one side plate of the second U-shaped bracket (59) is fixed on an output shaft of the fourth motor (58), a third U-shaped bracket (510) which is symmetrically distributed is fixed on the outer wall of the other side plate of the second U-shaped bracket (59), a third air cylinder (514) is fixed on the inner wall of the second U-shaped bracket (510), a strip-shaped plate (511) is rotatably arranged on the third U-shaped bracket (510), a clamping head (512) is fixed at one end, far away from the third U-shaped bracket (510), of the strip-shaped plate (511), and a triangular block (513) is fixed at one side, far away from the axis of the third air cylinder (514);

an output shaft of the third air cylinder (514) penetrates through the second U-shaped support (59) to be fixed with a driving frame (515), rectangular holes (516) which are symmetrically distributed are formed in the driving frame (515), the strip-shaped plates (511) are sleeved in the corresponding rectangular holes (516), and the driving frame (515) is located between the second U-shaped support (59) and the triangular block (513).

3. The geographic information mapping railcar according to claim 2, characterized in that a storage device (8) for containing mapping instruments is further fixed above the supporting plate (3), and a supporting frame (7) and a rainproof device (20) are further arranged on the supporting plate (3).

4. A geographical information mapping railcar according to claim 3, characterized in that said support frame (7) comprises two support bodies and two first slide rails (71), said two first slide rails (71) being fixed respectively at the two ends of the support plate (3);

the support body includes two first sliders (72), two first sliders (72) are located two first slide rail (71) internal slip respectively, be fixed with third drive box (73) on first slider (72), third drive box (73) internal fixation has fifth motor (74), the curb plate that first slide rail (71) one side was kept away from to output shaft of fifth motor (74) runs through third drive box (73) is fixed with second connecting block (75), be fixed with on second connecting block (75) with output shaft vertically fourth cylinder (76) of fifth motor (74), the support body still includes connecting rod (77), the both ends of connecting rod (77) are connected respectively on the output shaft of two fourth cylinders (76).

5. The geographic information mapping railcar according to claim 4, wherein the rainproof device (20) comprises a winding shaft (202) and two first fixing blocks (201), the first fixing blocks (201) are fixed on one side of the supporting plate (3), two ends of the winding shaft (202) are respectively located on the two first fixing blocks (201) to rotate, a seventh motor (203) for driving the winding shaft (202) to rotate is fixed on one first fixing block (201), a piece of rainproof cloth (204) is wound on the winding shaft (202), and the free end of the rainproof cloth (204) is fixed on a connecting rod (77) close to the winding shaft (202).

6. A geographical information mapping railcar according to claim 5, characterized in that said storage means (8) comprise a plurality of storage boxes (81) fixed above the support plate (3), a floating plate (83) being placed in the storage boxes (81), a first air-bag (84) of annular shape being fixed above the floating plate (83).

7. A geographical information mapping railcar according to claim 6, characterized in that said railcar further comprises an inflation device (9) for inflating a first bladder (84);

the inflation device (9) comprises a holding box (91) fixed on the supporting plate (3), a second air bag (93) is placed in the holding box (91), vertical second sliding rails (92) are respectively arranged on the inner walls of the two sides of the holding box (91), second sliding blocks (95) are arranged in the second sliding rails (92) in a sliding mode, a pressing plate (94) for pressing the second air bag (93) is connected between the second sliding blocks (95), and a pipe sleeve (96) is fixed above the pressing plate (94);

the inner wall of the pipe sleeve (96) is provided with internal threads, a cover plate (97) is fixed above the holding box (91), a rotating shaft (98) is rotatably arranged on the cover plate (97), a driving block (99) is fixed above the rotating shaft (98), and a second screw rod (910) in threaded fit with the pipe sleeve (96) is fixed below the rotating shaft;

the second air bag (93) is communicated with an air outlet pipe (913), a plurality of connectors (914) are communicated with the air outlet pipe (913), and the connectors (914) are connected with the air inlet of the first air bag (84) through hoses.

8. A geographical information mapping railcar according to claim 7, characterized in that a flexible rope (85) is connected between said floating plate (83) and the storage box (81).

9. The geographic information mapping railcar according to claim 8, characterized in that, the bottom plate of said storage box (81) is provided with a through hole (82), and the through hole (82) penetrates the supporting plate (3).

10. A leveling device for a railway vehicle for mapping geographical information according to any one of claims 1-9, characterized in that the leveling device comprises a distance sensor (10), wherein the distance sensor (10) is fixed on one of the strip plates (511), the distance sensor (10) is located on one side of the strip plate (511) close to the axis of the third cylinder (514), the distance sensor (10) is used for detecting the distance between the two strip plates (511), and when the driving frame (515) is separated from the triangular block (513) and the second U-shaped bracket (59) is located below the first connecting plate (57), the strip plate (511) is vertical under the action of gravity.