CN115629395A

CN115629395A - Portable laser radar wind measuring device

Info

Publication number: CN115629395A
Application number: CN202211404307.9A
Authority: CN
Inventors: 沈凤娇; 卢军; 张胜; 石朝毅; 高先和
Original assignee: Hefei University
Current assignee: Hefei University
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-20
Anticipated expiration: 2042-11-10
Also published as: CN115629395B

Abstract

The invention discloses a portable laser radar wind measuring device, which belongs to the technical field of wind measuring equipment and comprises a portable box, wherein the portable box is provided with two sliding doors, the two sliding doors are attracted by electromagnets, the inside of the portable box is divided into an upper cavity and a lower cavity by a partition plate, an adjusting mechanism for accommodating a laser radar is arranged in the upper cavity, the adjusting mechanism is provided with a rotating mechanism for adjusting the angle of the laser radar, the laser radar is arranged on the rotating mechanism, a fixing mechanism for fixing the portable box is arranged in the lower cavity, and a telescopic mechanism is also connected between the adjusting mechanism and the rotating mechanism; according to the invention, the laser radar wind measuring equipment is directly connected with the portable box into a whole, the assembly or disassembly is not required, the wind measuring equipment is directly lifted by the adjusting mechanism when the laser radar wind measuring equipment is required to be used, and the wind measuring equipment can be directly stored in the box by the adjusting mechanism when the laser radar wind measuring equipment is not required to be used, so that the operation is very convenient and fast.

Description

Portable laser radar wind measuring device

Technical Field

The invention belongs to the technical field of wind measuring equipment, and particularly relates to a portable laser radar wind measuring device.

Background

With the rapid development of laser radar technology and heterodyne detection technology, coherent wind lidar based on doppler effect has become one of the main means for measurement of atmospheric vector wind field, atmospheric turbulence, local wind shear, and the like. The laser wind-measuring radar is based on a coherent detection principle, utilizes laser as irradiation light beams, obtains Doppler frequency shift of aerosol relative to laser beams by receiving scattered echo signals of the light beams to the aerosol drifting along with wind in the atmosphere and by a digital frequency discrimination technology, and finally realizes measurement of atmospheric wind field information.

Most of the existing wind measuring devices are assembled, when wind is measured at a certain outdoor place, the wind measuring devices are generally taken out of a containing box, then the wind measuring devices are assembled, fixed and debugged on site, and the wind measuring devices need to be disassembled into the containing box for storage after being used, so that the wind measuring devices are complex in use and influence the use of operators; in addition, the wind measuring mechanism is generally fixed at a certain place, and the wind measuring direction of the wind measuring mechanism is limited, so that the measuring accuracy is influenced.

Disclosure of Invention

The present invention is directed to a portable lidar wind-measuring device, which is used to solve the above problems in the prior art.

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

portable lidar wind measuring device, including the portable box, be equipped with the push-and-pull door on the portable box, two through the electro-magnet actuation between the push-and-pull door, divide into upper plenum and lower cavity through the baffle in the portable box, be equipped with the adjustment mechanism who is used for accomodating lidar in the upper plenum, be equipped with the slewing mechanism who is used for adjusting the lidar angle on the adjustment mechanism, lidar installs on slewing mechanism, be equipped with the fixed establishment that carries out the maintenance to the portable box in the lower cavity, still be connected with a telescopic machanism between adjustment mechanism and the slewing mechanism.

Through above-mentioned technical scheme, laser radar is used for the anemometry, can directly accomodate in the suitcase when not needing to use, can directly fix the suitcase subaerial through fixed establishment when needs use, then rise laser radar through adjustment mechanism, come to adjust laser radar's height as required through telescopic machanism, measure the speed-sharing wind direction of different positions, accessible slewing mechanism adjusts laser radar's angle simultaneously, measures the wind in different positions.

Further, adjustment mechanism places the fixed block in last cavity, it accomodates groove and mounting groove to have seted up on the fixed block, the mounting groove internal rotation is connected with the end face fluted disc, it is equipped with the fixed plate, one of them to lie in the still symmetry all around of accomodating the groove on the fixed block be equipped with the initiative pivot on the fixed plate, it is three in addition be equipped with driven shaft on the fixed plate, the driving gear is installed to one of initiative pivot, driven shaft's one is served and is installed driven gear, the driving gear all meshes with the end face fluted disc with driven gear, all establish first connecting plate on the other end of initiative pivot and driven shaft, it is equipped with the second connecting plate to rotate on the end of first connecting plate, it still is equipped with a first mounting panel to accomodate the inslot, slewing mechanism installs on first mounting panel, and four faces of first mounting panel are connected with the end rotation of four connecting plates respectively.

Through above-mentioned technical scheme, through the rotation of driving gear, drive driven gear and rotate to drive first connecting plate and rotate, under the cooperation with the second connecting plate, can drive first mounting panel and reciprocate accomodating the inslot, and then change laser radar's height, can directly rise from accomodating the inslot with laser radar, carry out the anemometry operation, easy operation, operating personnel uses very conveniently.

Further, slewing mechanism includes the second mounting panel, be equipped with a stand on the intermediate position of second mounting panel, sliding connection has the slide cartridge on the outer wall of stand, the bottom of slide cartridge is equipped with the supporting disk, the both ends that lie in the slide cartridge on the supporting disk are equipped with the third connecting plate, two be connected with an annular spout on the third connecting plate jointly, the both sides that lie in the stand on the second mounting panel are equipped with first automatically controlled cylinder, the output of first automatically controlled cylinder is connected with the bottom of supporting disk, the top of stand is equipped with first driving motor, the output of first driving motor is equipped with the rotation post, the top of rotation post is equipped with an annular section of thick bamboo, be equipped with an erection column in the annular section of thick bamboo, the one end of erection column is connected with L type pole, the end of L type pole is equipped with the sliding ball, sliding ball sliding connection is in the annular spout, the other end and the laser radar of erection column are connected.

Through above-mentioned technical scheme, first driving motor drives and rotates the post rotation to drive laser radar and rotate, come to carry out the anemometry operation to different position, simultaneously through the flexible of first automatically controlled cylinder, drive slide cartridge and slide from top to bottom on the stand, under the cooperation of devices such as sliding ball and annular spout, thereby change laser radar's inclination, improve more extensive measuring range, increase measuring accuracy.

Furthermore, telescopic machanism is including empty core column, the bilateral symmetry of empty core column is equipped with first installation cavity and second installation cavity, be equipped with the card post of piling up by a plurality of round platform in the empty core column, the top of card post is equipped with the connection mound, it is connected with slewing mechanism to connect the mound, first installation cavity internal rotation is equipped with first fixture block, the bottom of first fixture block is connected with compression spring, the second installation cavity internal rotation is equipped with adjusts the spanner, it is connected with the second fixture block to adjust the spanner to be located one of second installation cavity and serve, be equipped with the chamfer on one side that first fixture block and second fixture block are close to the card post, the top of first fixture block and second fixture block all is equipped with a plurality of anti-skidding teeth.

Through above-mentioned technical scheme, through reciprocating of adjusting the spanner, can drive the second fixture block and remove, with the cooperation of the card post of round platform form, can up raise the card post, the card post when up raising a round platform position, first fixture block also can be under compression spring's cooperation, the card is in the bottom of this round platform, fixes whole card post to be convenient for adjust laser radar's height.

Furthermore, the fixing mechanism comprises a second electric control cylinder installed in the lower cavity, the output end of the second electric control cylinder is connected with a fourth mounting plate, the fourth mounting plate is connected with the lower cavity in a sliding mode, four fixed drill strings are symmetrically arranged on the fourth mounting plate, drill bits are spirally arranged on the outer wall of each fixed drill string, and a second driving motor used for driving is further arranged at the top end of each fixed drill string.

Through above-mentioned technical scheme, the flexible of second automatically controlled cylinder can move four fixed drill strings down and remove by a passband, under second driving motor's drive, four fixed brills rotate to bore into the underground, fix whole device through four fixed drill strings, avoid taking place to rock when measuring, improve the accuracy.

Furthermore, the bottom of the portable box is symmetrically provided with two clamping grooves, two through holes are symmetrically formed in the clamping grooves, and two sliding plates used for sealing the through holes are connected in the clamping grooves in a sliding mode.

Through above-mentioned technical scheme, the through-hole is used for stretching out or the shrink of four fixed drilling strings, and the slide is used for sealing the through-hole, avoids in dust moisture etc. gets into the case from the through-hole, influences the life of equipment.

The invention has the beneficial effects that:

according to the invention, the laser radar wind measuring equipment is directly connected with the portable box into a whole, the assembly or disassembly is not required, the wind measuring equipment is directly lifted by the adjusting mechanism when the laser radar wind measuring equipment is required to be used, and the wind measuring equipment can be directly stored in the box by the adjusting mechanism when the laser radar wind measuring equipment is not required to be used, so that the operation is very convenient and fast.

The rotation angle of the laser radar can be adjusted according to needs through the rotation mechanism, and the height of the laser radar can be adjusted according to needs through the telescopic mechanism, so that the wind measurement operation can be performed from different directions and different heights, and the measurement accuracy is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the adjusting mechanism of the present invention;

FIG. 3 is a schematic structural view of a rotating mechanism according to the present invention;

FIG. 4 is a schematic view of a portion of the structure on the second mounting plate of the present invention;

FIG. 5 is a schematic view of a portion of the structure of the column of the present invention;

FIG. 6 is a schematic view of the structure of the telescopic mechanism of the present invention;

FIG. 7 is a cross-sectional view of the telescoping mechanism of the present invention;

FIG. 8 is a schematic view of an upper structure of the first fixture block or the second fixture block of the present invention;

FIG. 9 is a schematic view of the fixing mechanism of the present invention;

fig. 10 is a sectional view of the portable case of the present invention.

The drawings illustrate in the figures:

1. a portable case; 2. an adjustment mechanism; 3. a rotating mechanism; 4. a fixing mechanism; 5. a telescoping mechanism; 6. a laser radar; 101. a sliding door; 102. an electromagnet; 103. a partition plate; 104. a card slot; 105. a through hole; 106. a slide plate; 201. a fixed block; 202. a receiving groove; 203. mounting grooves; 204. an end face fluted disc; 205. a fixing plate; 206. a driving rotating shaft; 207. a driven rotating shaft; 208. a driving gear; 209. a driven gear; 210. a first connecting plate; 211. a second connecting plate; 212. a first mounting plate; 301. a second mounting plate; 302. a column; 303. a slide cylinder; 304. a support disc; 305. a third connecting plate; 306. an annular chute; 307. a first electrically controlled cylinder; 308. rotating the column; 309. an annular cylinder; 310. mounting a column; 311. an L-shaped rod; 312. a sliding ball; 501. a hollow column; 502. a first mounting cavity; 503. a second mounting cavity; 504. clamping the column; 505. a first clamping block; 506. a compression spring; 507. adjusting the wrench; 508. a second fixture block; 509. chamfering; 510. anti-slip teeth; 511. connecting piers; 401. a second electrically controlled cylinder; 402. a fourth mounting plate; 403. fixing the drill stem; 404. drilling a sheet; 405. a second drive motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a portable lidar wind measuring device, as fig. 1, as shown in fig. 10, including portable box 1, be equipped with push-and-pull door 101 on portable box 1, through electro-magnet 102 actuation between two push-and-pull doors 101, portable box 1's bottom still symmetry is equipped with two draw-in grooves 104, two through-holes 105 have been seted up to the symmetry in draw-in groove 104, it has two slides 106 that are used for sealing through-hole 105 to go back sliding connection in the draw-in groove 104, divide into upper plenum and lower cavity through baffle 103 in portable box 1, be equipped with the adjustment mechanism 2 that is used for accomodating lidar 6 in the upper plenum, be equipped with the slewing mechanism 3 that is used for adjusting lidar 6 angle on the adjustment mechanism 2, lidar 6 installs on slewing mechanism 3, be equipped with the fixed establishment 4 that carries out the maintenance to portable box 1 in the lower cavity, still be connected with a telescopic machanism 5 between adjustment mechanism 2 and the slewing mechanism 3. The upper cavity is used for accommodating adjusting mechanism 2, rotating mechanism 3, telescopic mechanism 5 and laser radar 6, the lower cavity is used for accommodating fixing mechanism 4, when not in use, laser radar 6 is arranged in the upper cavity, is lifted up through adjusting mechanism 2 during use, and adjusts the angle of laser radar 6 through rotating mechanism 3, adjusts the height of laser radar 6 through telescopic mechanism 5, thereby carries out the anemometry operation from different position and height, improves the accuracy nature of anemometry.

As shown in fig. 2, the adjusting mechanism 2 is disposed on a fixed block 201 in the upper cavity, the fixed block 201 is provided with a receiving groove 202 and a mounting groove 203, an end-face toothed disc 204 is rotatably connected in the mounting groove 203, fixing plates 205 are symmetrically disposed around the receiving groove 202 on the fixed block 201, a driving shaft 206 is disposed on one of the fixing plates 205, driven shafts 207 are disposed on the other three fixing plates 205, a driving gear 208 is mounted on one end of the driving shaft 206, a driven gear 209 is mounted on one end of the driven shaft 207, the driving gear 208 and the driven gear 209 are both engaged with the end-face toothed disc 204, first connecting plates 210 are disposed on the other ends of the driving shaft 206 and the driven shaft 207, second connecting plates 211 are rotatably disposed on the ends of the first connecting plates 210, a first mounting plate 212 is further disposed in the receiving groove 202, the rotating mechanism 3 is mounted on the first mounting plate 212, and four surfaces of the first mounting plate 212 are rotatably connected with the ends of the four second connecting plates 211 respectively. Initiative pivot 206 drives through third driving motor, third driving motor is controlled by external control terminal, rotation through initiative pivot 206, it rotates to drive driving gear 208, thereby drive end face fluted disc 204 at the internal rotation of mounting groove 203, and the rotation of end face fluted disc 204, will drive three driven gear 209 and take place to rotate, thereby drive driven pivot 207 and rotate, consequently, can drive four first connecting plates 210 and rotate together, under the cooperation of first connecting plate 210 and second connecting plate 211, can drive first mounting panel 212 and reciprocate in accomodating groove 202, thereby lift laser radar 6 from accomodating the inslot 202, the operation is got up simple and conveniently.

As shown in fig. 3-5, the rotating mechanism 3 includes a second mounting plate 301, an upright post 302 is disposed at a middle position of the second mounting plate 301, a sliding cylinder 303 is slidably connected to an outer wall of the upright post 302, a supporting plate 304 is disposed at a bottom of the sliding cylinder 303, third connecting plates 305 are disposed at two ends of the sliding cylinder 303 on the supporting plate 304, an annular sliding groove 306 is commonly connected to the two third connecting plates 305, first electric control cylinders 307 are disposed at two sides of the upright post 302 on the second mounting plate 301, an output end of the first electric control cylinder 307 is connected to a bottom of the supporting plate 304, a first driving motor is disposed at a top end of the upright post 302, a rotating post 308 is disposed at an output end of the first driving motor, an annular cylinder 309 is disposed at a top end of the rotating post 308, a mounting post 310 is disposed in the annular cylinder 309, one end of the mounting post 310 is connected to an L-shaped rod 311, a sliding ball 312 is disposed at a tail end of the L-shaped rod 311, the sliding ball 312 is slidably connected to the annular sliding groove 306, and another end of the mounting post 310 is connected to the laser radar 6. First driving motor drives and rotates post 308, thereby drive slide ball 312 at annular spout 306 internal rotation, can drive laser radar 6 and rotate, thereby change 6 anemometry directions of laser radar, and when first automatically controlled cylinder 307 is flexible, drive slide cartridge 303 and reciprocate on stand 302, slide cartridge 303 is when the up-and-down motion, slide ball 312 produces certain resistance at annular spout 306's the top and bottom, thereby can drive L type pole 311 together and take place the ascending rotation of top and bottom side, thereby change the inclination of mechanism's radar, improve measuring range, the accuracy is improved.

As shown in fig. 6 to 8, the telescoping mechanism 5 includes a hollow column 501, the hollow column 501 penetrates through the first mounting plate 212, a first mounting cavity 502 and a second mounting cavity 503 are symmetrically disposed on two sides of the hollow column 501, a clamping column 504 stacked by a plurality of circular truncated cones is disposed in the hollow column 501, a connecting pier 511 is disposed at the top end of the clamping column 504, the connecting pier 511 is connected with the rotating mechanism 3, a first clamping block 505 is rotatably disposed in the first mounting cavity 502, a compression spring 506 is connected to the bottom of the first clamping block 505, an adjusting wrench 507 is rotatably disposed in the second mounting cavity 503, a second clamping block 508 is connected to one end of the adjusting wrench 507 located in the second mounting cavity 503, chamfers 509 are disposed on one sides of the first clamping block 505 and the second clamping block 508 close to the clamping column 504, a plurality of anti-slip teeth 510 are disposed on the tops of the first clamping block 505 and the second clamping block 508, and the shapes of the first clamping block 505 and the second clamping block 508 are the same. When adjusting spanner 507 and moving from top to bottom, can drive second fixture block 508 and remove, thereby pry upwards card post 504, because card post 504 has a plurality of round platforms to pile up from top to bottom, when moving on the round platform, first fixture block 505 is under the extrusion of round platform, can move to the outside, after contacting next round platform, because there is not the resistance, compression spring 506 can drive first fixture block 505 fast and reset, with next round platform block, the repetitive operation, can adjust telescopic machanism 5's height as required, thereby adjust the anemometry height as required.

As shown in fig. 9, the fixing mechanism 4 includes a second electrically controlled cylinder 401 installed in the lower cavity, an output end of the second electrically controlled cylinder 401 is connected to a fourth mounting plate 402, the fourth mounting plate 402 is slidably connected to the lower cavity, four fixed drill strings 403 are symmetrically arranged on the fourth mounting plate 402, drill bits 404 are spirally arranged on an outer wall of the fixed drill strings 403, and a second driving motor 405 for driving is further arranged at a top end of the fixed drill strings 403. The second electric control cylinder 401 and the second driving motor 405 are controlled by external control terminals, the second electric control cylinder 401 can drive the four fixed drill strings 403 to extend out, and the second driving motor 405 drives the fixed drill strings 403 to rotate while extending out, so that the fixed drill strings 403 can rapidly extend into the ground to be fixed, and the whole device is fixed.

When the device is used, the electromagnet 102 is powered off, the sliding door 101 is opened, the sliding plate 106 at the bottom is moved away from the through hole 105, then the second electric control cylinder 401 is driven to stretch and retract through the external control end, the fourth mounting plate 402 is driven to move downwards, the four fixed drill strings 403 extend out of the through hole 105, meanwhile, the second driving motor 405 is started to drive the four fixed drill strings 403 to rotate, the four fixed drill strings 403 are driven to quickly drill into the soil, and the whole device is fixed; then, the external control end drives the third driving motor to rotate, so as to drive the driving rotating shaft 206 and the driving gear 208 to rotate, so as to drive the end face fluted disc 204 to rotate, the end face fluted disc 204 is meshed with the driven gear 209, and then the driven rotating shaft 207 is driven to rotate, so as to drive the four first connecting plates 210 to rotate together, under the matching of the first connecting plates 210 and the second connecting plates 211, the first mounting plates 212 can be driven to move up and down in the accommodating grooves 202, so as to bring the laser radar 6 out of the accommodating grooves 202, after the laser radar comes out of the accommodating grooves 202, the height of the telescopic mechanism 5 can be adjusted according to test requirements, the adjusting wrench 507 is manually pressed up and down, when the adjusting wrench 507 moves, the second fixture block 508 is driven to move, so as to tilt up the clamp column 504, when the clamp column 504 moves up, the first fixture block 505 is extruded by the circular truncated cone, and can move outward, when one height is moved, because the area at the highest position of the first fixture block 505 has no resistance, and can be reset under the drive of the compression spring 506, and the next circular cone 504 can be tested, and the whole height can be adjusted in turn; then, the first driving motor is controlled by the external control end to drive the rotating column 308 to rotate, so that the direction of the laser radar 6 is changed, and the inclination angle (upward pitch or downward pitch) of the laser radar 6 is changed by the extension and retraction of the first electric control cylinder 307, so that the test range is increased, and the accuracy is improved.

After the test is finished, the outermost end of the first clamping block 505 is pressed, the position of the adjusting wrench 507 is adjusted, and the two clamping blocks are not clamped with the circular truncated cone, so that the clamping column 504 does not have a supporting point and can descend downwards, when the connecting pier 511 is abutted to the hollow column 501, the descending is stopped, the telescopic mechanism 5 is contracted to the shortest length, then the third driving motor is reversely rotated, the laser radar 6 and the rotating mechanism 3 are contained in the containing groove 202 of the upper cavity, then the second electric control cylinder 401 retracts, the four fixed drill strings 403 are contained in the lower cavity, the whole device is completely contained in the portable box 1, then the sliding plate 106 seals the through hole 105, and the two sliding doors 101 are closed.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims

1. Portable lidar wind measuring device, including portable case (1), its characterized in that, be equipped with push-and-pull door (101) on portable case (1), two through electro-magnet (102) actuation between push-and-pull door (101), divide into upper chamber and lower cavity through baffle (103) in portable case (1), be equipped with adjustment mechanism (2) that are used for accomodating lidar (6) in the upper chamber, be equipped with slewing mechanism (3) that are used for adjusting lidar (6) angle on adjustment mechanism (2), install on slewing mechanism (3) lidar (6), be equipped with fixed establishment (4) that carry out the maintenance to portable case (1) down in the cavity, still be connected with one between adjustment mechanism (2) and slewing mechanism (3) and be used for height-adjusting's telescopic machanism (5).

2. The portable lidar wind measuring device of claim 1, wherein the adjusting mechanism (2) comprises a fixing block (201) disposed in the upper cavity, the fixing block (201) is provided with an accommodating groove (202) and an installation groove (203), an end face fluted disc (204) is rotatably connected in the installation groove (203), fixing plates (205) are symmetrically disposed on the fixing block (201) around the accommodating groove (202), one of the fixing plates (205) is provided with a driving rotating shaft (206), the other three fixing plates (205) are provided with driven rotating shafts (207), one end of the driving rotating shaft (206) is provided with a driving gear (208), one end of the driven rotating shaft (207) is provided with a driven gear (209), and the driving gear (208) and the driven gear (209) are both engaged with the end face fluted disc (204).

3. The portable lidar wind measuring device according to claim 2, wherein a first connecting plate (210) is provided at the other end of the driving rotating shaft (206) and the other end of the driven rotating shaft (207), a second connecting plate (211) is rotatably provided at the end of the first connecting plate (210), a first mounting plate (212) is further provided in the accommodating groove (202), the rotating mechanism (3) is mounted on the first mounting plate (212), and four faces of the first mounting plate (212) are rotatably connected with the ends of the four second connecting plates (211), respectively.

4. The portable lidar wind measuring device according to claim 1, wherein the rotating mechanism (3) comprises a second mounting plate (301), an upright column (302) is arranged in the middle of the second mounting plate (301), a sliding cylinder (303) is slidably connected to the outer wall of the upright column (302), a supporting plate (304) is arranged at the bottom of the sliding cylinder (303), third connecting plates (305) are arranged at two ends of the sliding cylinder (303) on the supporting plate (304), an annular sliding chute (306) is commonly connected to the two third connecting plates (305), first electric control cylinders (307) are arranged at two sides of the upright column (302) on the second mounting plate (301), and output ends of the first electric control cylinders (307) are connected to the bottom of the supporting plate (304).

5. The portable lidar wind measuring device according to claim 4, wherein a first driving motor is arranged at the top end of the upright column (302), a rotating column (308) is arranged at the output end of the first driving motor, an annular cylinder (309) is arranged at the top end of the rotating column (308), an installation column (310) is arranged in the annular cylinder (309), one end of the installation column (310) is connected with an L-shaped rod (311), a sliding ball (312) is arranged at the tail end of the L-shaped rod (311), the sliding ball (312) is slidably connected in the annular chute (306), and the other end of the installation column (310) is connected with the lidar (6).

6. The portable lidar wind measuring device according to claim 1, wherein the telescopic mechanism (5) comprises a hollow column (501), a first mounting cavity (502) and a second mounting cavity (503) are symmetrically arranged on two sides of the hollow column (501), a clamping column (504) stacked by a plurality of circular truncated cones is arranged in the hollow column (501), a connecting pier (511) is arranged at the top end of the clamping column (504), the connecting pier (511) is connected with the rotating mechanism (3), a first clamping block (505) is rotationally arranged in the first mounting cavity (502), a compression spring (506) is connected to the bottom of the first clamping block (505), an adjusting wrench (507) is rotationally arranged in the second mounting cavity (503), and a second clamping block (508) is connected to one end of the adjusting wrench (507) located in the second mounting cavity (503).

7. The portable lidar wind measuring device according to claim 6, wherein a chamfer (509) is formed on one side of the first fixture block (505) and the second fixture block (508) close to the clamping column (504), and a plurality of anti-slip teeth (510) are formed on the top of each of the first fixture block (505) and the second fixture block (508).

8. The portable lidar wind measuring device according to claim 1, wherein the fixing mechanism (4) comprises a second electrically controlled cylinder (401) installed in the lower cavity, a fourth mounting plate (402) is connected to an output end of the second electrically controlled cylinder (401), the fourth mounting plate (402) is slidably connected with the lower cavity, four fixed drill strings (403) are symmetrically arranged on the fourth mounting plate (402), drill bits (404) are spirally arranged on an outer wall of each fixed drill string (403), and a second driving motor (405) for driving is further arranged at the top end of each fixed drill string (403).

9. The portable lidar wind measuring device according to claim 1, wherein two slots (104) are symmetrically formed in the bottom of the portable case (1), two through holes (105) are symmetrically formed in the slots (104), and two sliding plates (106) for closing the through holes (105) are slidably connected in the slots (104).