CN214652659U

CN214652659U - Fog drop drift measuring device capable of conveniently retracting fog drop sampling line

Info

Publication number: CN214652659U
Application number: CN202120612471.3U
Authority: CN
Inventors: 祁力钧; 张豪; 卢中奥; 程浈浈; 万军杰; 周佳蕊
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-09
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a fog drop drift measuring device for conveniently collecting and releasing fog drop sampling lines, which comprises an elevating supporting device, and at least one pair of an automatic take-up device and a pay-off device for collecting and releasing the sampling lines; the automatic take-up device comprises an upper take-up housing, a lower take-up housing, a take-up lifting slide block, a lead screw slide block mechanism, a clamping mechanism and a take-up coil; the pay-off device comprises a pay-off upper housing, a pay-off lower housing, a pay-off wheel, a clamping distance measuring mechanism and a pay-off lifting slide block; the lifting support device comprises two lifting support mechanisms which have the same structure and are oppositely arranged, and the two lifting support mechanisms are respectively connected with the automatic take-up device and the pay-off device in a hanging mode; each lifting support mechanism comprises a lifting support rod, a lifting belt wheel, a scale belt winding mechanism, a base and a lifting connecting hook; the lifting support rod is of a multi-stage assembling structure and comprises a plurality of section rods which can be connected end to end. The sample distribution is simple and convenient, the carrying is convenient, the sampling lines can be automatically collected and released, and a plurality of groups of sampling tasks can be completed by one-time sample distribution.

Description

Fog drop drift measuring device capable of conveniently retracting fog drop sampling line

Technical Field

The utility model belongs to the technical field of plant protection machinery droplet drifts and measures, concretely relates to convenient droplet drifts measuring device who receive and releases droplet sampling line.

Background

During the spraying operation, the drifting of the fog drops is an important reason for pesticide waste, phytotoxicity of peripheral crops and environmental pollution, and is also an important index for evaluating the quality of the spraying operation. Therefore, before the pesticide application operation is carried out, a fog drop drift data acquisition experiment needs to be carried out on specific spraying equipment and a spraying mode, and a basis is provided for evaluating the performance of the spraying equipment and optimizing a spraying scheme. Particularly, in the currently vigorously developed aviation pesticide application, the operation mode determines that the fog drop drifting is more serious than ground spraying, the fog drop drifting characteristics under various conditions need to be repeatedly measured before the spraying device is shaped and when an actual spraying operation scheme is formulated, and the conventional experiment method is time-consuming and labor-consuming and is often difficult to meet the requirements.

The fog drop sampling line is a sampling device commonly used in a fog drop drift data acquisition experiment. At present, sampling lines are mostly arranged and recovered in a manual operation mode.

The existing fog drop sampling line arrangement and recovery mode has the following problems: 1. the multiple groups of experiments need repeated sample distribution and sampling, and the workload is large; 2. the sampling process is easy to pollute the sample, and the experimental data is inaccurate; 3. the distance and height of the sampling line are complex to mount and time is consumed; 4. the maximum length of the supporting device is fixed, and the adaptability to different crop canopy heights is poor; 5. the length of the supporting structure of the detection device is large, and the carrying is inconvenient; 6. the automation degree is not high, and the efficiency is low.

Disclosure of Invention

To the technical problem, the utility model aims at providing a convenient fog droplet drift measuring device who receive and releases fog droplet sampling line. The device is simple and convenient to arrange samples, and convenient to carry can receive and release the sampling line automatically, and a plurality of groups of collection tasks can be accomplished to once arranging samples.

In order to achieve the above object, the present invention provides the following technical solutions:

a fog drop drift measuring device capable of conveniently collecting and releasing fog drop sampling lines comprises an elevating supporting device 1, and at least one pair of an automatic take-up device 2 and a pay-off device 3 for collecting and releasing sampling lines 4;

the automatic wire rewinding device 2 comprises an upper wire rewinding casing 201, a lower wire rewinding casing 202, a wire rewinding lifting slide block 205, a screw rod slide block mechanism 206, a clamping mechanism 210 and a wire rewinding roll 211;

the wire collecting upper cover 201 and the wire collecting lower cover 202 are hinged with each other to form a foldable wire collecting shell; a wire take-up opening 203 is formed in the middle of the front end face of the wire take-up shell, and the wire take-up lifting slide block 205 is fixedly connected to the rear end face of the wire take-up lower housing 202; the upper end and the lower end of the take-up lifting slide block 205 are fixedly connected with a take-up lifting shaft 204 respectively; the lead screw sliding block mechanism 206, the clamping mechanism 210 and the take-up coil 211 are arranged inside the take-up shell, and the take-up coil 211 corresponds to the take-up port 203;

the take-up coil 211 is provided with a cylindrical coil body, and the left end and the right end of the coil body are respectively provided with a wheel thorn 212 for connecting and separating the sampling lines 4;

the clamping mechanism 210 comprises a left clamping disc 226, a right clamping disc 215, a spring expansion bracket 216, a clamping plate 217 and a take-up stepping motor 218, and is used for clamping and controlling the take-up roll 211; wherein,

the spring telescopic frame 216 can keep a retraction trend, a clamping plate 217 is fixedly connected to the left end and the right end of the spring telescopic frame, the left clamping disc 226 and the right clamping disc 215 are respectively installed on the clamping plate 217 through bearings, and the left clamping disc 226 or the right clamping disc 215 is connected with a power output shaft of the take-up stepping motor 218;

the lead screw slider mechanism 206 comprises a lead screw 208, a lead screw stepping motor 207, a lead screw slider track 209 and a lead screw slider 221;

the lead screw 208 is arranged on the inner wall of the take-up lower housing 202 and is connected with a power output shaft of the lead screw stepping motor 207; the lead screw slide block track 209 is parallel to the lead screw 208 and fixedly connected to the inner wall of the take-up lower housing 202; the screw rod sliding block 221 is connected with the screw rod 208 through a screw rod screw hole 222 arranged on the screw rod sliding block, the rear end face of the screw rod sliding block 221 is slidably arranged in a screw rod sliding block track 209, and the front end face is fixedly connected with the spring telescopic frame 216;

the pay-off device 3 comprises a pay-off upper housing 301, a pay-off lower housing 302, a pay-off wheel 306, a clamping distance measuring mechanism 305 and a pay-off lifting slide block 319;

the pay-off upper cover shell 301 and the pay-off lower cover shell 302 are hinged with each other to form a pay-off shell body which can be opened and closed; the front end face of the wire releasing upper cover shell 301 is provided with a wire releasing port 303; the paying-off lifting slide block 319 is fixedly connected to the rear end face of the paying-off lower housing 302, and the upper end and the lower end of the paying-off lifting slide block 319 are fixedly connected with a paying-off lifting shaft 320 respectively; the paying-off wheel 306 and the clamping and ranging mechanism 305 are arranged inside the paying-off shell;

the middle parts of the joints of the left end surface and the right end surface of the pay-off upper cover shell 301 and the pay-off lower cover shell 302 are respectively provided with a shaft hole 304, and the pay-off wheel 306 is arranged in the pay-off shell through the matching of wheel shafts arranged at the two ends of the pay-off wheel and the shaft holes 304;

the clamping distance measuring mechanism 305 comprises a left clamping wheel 317, a right clamping wheel 315, a left clamping arm 310, a right clamping arm 314, an angle sensor 309, a left mounting plate 311, a right mounting plate 318 and a clamping tension spring 312;

the left mounting plate 311 and the right mounting plate 318 are respectively fixedly connected to the pay-off upper housing 301 at the left side and the right side of the pay-off port 303; the tail end of the left clamping arm 310 is fixedly connected to the left mounting plate 311, and the head end of the left clamping arm is connected with a rotatable left clamping wheel 317; the tail end of the right clamping arm 314 is hinged on the right mounting plate 318, and the head end of the right clamping arm is connected with the rotatable right clamping wheel 315; the angle sensor 309 is connected with a rotating shaft of the left clamping wheel 317 or the right clamping wheel 315 and is used for detecting the number of rotating circles of the left clamping wheel 317 or the right clamping wheel 315; a clamping tension spring 312 is arranged between the right clamping arm 314 and the right mounting plate 318, so that clamping force is generated between the left clamping wheel 317 and the right clamping wheel 315;

the lifting support device 1 comprises two lifting support mechanisms which have the same structure and are oppositely arranged, and the two lifting support mechanisms are respectively connected with the automatic take-up device 2 and the pay-off device 3 in a hanging mode; each lifting support mechanism comprises a lifting support rod 401, a lifting belt wheel 402, a graduated belt 403, a graduated belt winding mechanism 404, a base 405 and a lifting connecting hook 416; the lifting support rod 401 is of a multi-stage assembly structure and comprises a plurality of section rods which can be connected end to end;

the lifting support rod 401 is vertically and fixedly connected to the base 405, and a lifting slide block track 406 is arranged on the lifting support rod 401 along the vertical direction and used for mounting the take-up lifting slide block 205 or the pay-off lifting slide block 319; wheel shafts are arranged at two ends of the lifting belt wheel 402, and are arranged at the top end of the lifting support rod 401 through belt wheel arms and used for supporting the scale belt 403; the graduated tape winding mechanism 404 is fixedly connected to the base 405 and used for controllably winding and unwinding the graduated tape 403; one end of the scale belt 403 is connected with the scale belt winding mechanism 404, and the other end of the scale belt 403 is fixedly connected with the lifting connecting hook 416; the lifting connecting hook 416 is used for being hooked with the wire collecting lifting shaft 204 of the wire collecting lifting slide block 205 or the wire releasing lifting shaft 320 of the wire releasing lifting slide block 319;

the free end of the sampling line 4 wound on the paying-off wheel 306 in the paying-off device 3 sequentially passes through the space between the left clamping wheel 317 and the right clamping wheel 315 of the clamping and ranging mechanism 305, the paying-off opening 303 and the wire take-up opening 203 of the automatic wire take-up device 2 and is connected to the wire take-up coil 211.

A plurality of equal-diameter take-up reel pin shafts 213 are uniformly distributed on the left end surface of the take-up reel 211, and a take-up reel pin hole 214 corresponding to the take-up reel pin shafts 213 is arranged on the right end surface; the plurality of take-up rolls 211 can be spliced in parallel in sequence through the take-up roll pin shaft 213 and the take-up roll pin hole 214; the left clamping disk 226 is provided with a clamping disk pin hole 223 corresponding to the take-up reel pin hole 213 on the left end face of the take-up reel 211, and the right clamping disk 215 is provided with a clamping disk pin hole 219 corresponding to the take-up reel pin hole 214 on the right end face of the take-up reel 211, so as to clamp and fix the single or multiple spliced take-up reels 211.

The spring expansion bracket 216 comprises a fixing rod 224, an expansion rod 225 and an expansion tension spring 220, wherein the fixing rod 224 is provided with a sliding hole for accommodating the expansion rod 225 along the axis thereof, the expansion tension spring 220 is sleeved outside the expansion rod 225, and two ends of the expansion tension spring 220 are fixedly connected with the end parts of the fixing rod 224 and the expansion rod 225 respectively.

The edge of the pay-off upper shell 301 and the pay-off lower shell 302 corresponding to one of the shaft holes 304 is provided with a positioning groove 307; a wheel shaft at one end of the paying-off wheel 306 is provided with a positioning disc 308 corresponding to the positioning groove 307, so that the paying-off wheel 306 can be axially positioned.

The surfaces of the left clamping wheel 317 and the right clamping wheel 315 are respectively provided with an anti-skid groove 313 and an anti-skid flange 316 which are matched with each other; the middle point of the contact line of the anti-skid flange 316 and the anti-skid groove 313 is positioned on the same straight line with the center of the wire releasing port 303.

When the lifting support mechanism is hooked with a plurality of automatic winding devices 2 or a plurality of paying-off devices 3, the adjacent automatic winding devices 2 or the adjacent paying-off devices 3 are connected through a section of graduated belt 403 with a certain length and lifting connecting hooks 416 arranged at two ends.

The scale band winding mechanism 404 comprises a scale band winding wheel 421 mounted on the base 405, a scale band pressure reading mechanism 419 and a worm and gear crank mechanism 422; the worm and gear crank mechanism 422 comprises a Z-shaped crank, a worm and a worm gear, the worm can drive the worm gear to rotate under the driving of the Z-shaped crank, and the worm and gear have a reverse stroke self-locking function; the scale belt pressure reading mechanism 419 is positioned on the front side of the wheel body of the scale belt winding wheel 421 and is provided with a pressure reading opening for accommodating the scale belt 403; the rotating shaft of the scale tape winding wheel 421 is connected with the worm wheel of the worm wheel and worm crank mechanism 422, and the scale tape 403 is wound on the wheel body of the scale tape winding wheel 421 and penetrates out of the pressure reading port of the scale tape pressure reading mechanism 419.

The lifting connecting hook 416 is connected with the scale band 403 through the scale band adjusting and clamping device 411; the scale band adjusting and clamping device 411 comprises an elevating connecting hook winding wheel 423, a scale band clamping plate 424 and an elevating connecting hook fixedly connecting plate 425; the lifting connecting hook winding wheel 423 is rotatably arranged at the lower part of the lifting connecting hook fixing plate 425 and is used for winding and unwinding the graduated belt 403; the scale belt clamping plate 424 is hinged on the upper part of the lifting connection hook fixing plate 425; the two sides of the graduated belt clamping plate 424 are respectively hinged with a clamping buckle 426, and the two sides of the lifting connection hook fixing plate 425 are respectively fixedly connected with a buckle rod 427; the graduated belt clamping plate 424 and the lifting connection hook fixing plate 425 clamp and fix the graduated belt 403 through the cooperation of the clamping buckle 426 and the buckle rod 427; the lift attachment hook 416 is secured to the bottom end of a lift attachment hook securing plate 425.

The lifting support rod 401 is formed by mutually staggering and assembling a primary section rod 417 and a secondary section rod 429; the first-stage joint rod 417 and the second-stage joint rod 429 are mirror symmetry structures and respectively comprise a rod body 407, a fastening device 408, a detachable pin hole 409, a connecting pin rod 410 and a connecting pin shaft 428; the rod body 407 is provided with an elevating slider track 406 matched with the wire-rewinding elevating slider 205 or the wire-releasing elevating slider 319; the fastening device 408 and the detachable pin hole 409 are respectively fixedly connected to the left side and the right side of the upper end of the rod body 407, and the connecting pin rod 410 and the connecting pin 428 are respectively fixedly connected to the left side and the right side of the lower end of the rod body 407; when the first-stage section rod 417 is connected with the second-stage section rod 429, the connecting pin 428 at the lower end of the second-stage section rod 429 is matched and connected with the detachable pin hole 409 at the upper end of the first-stage section rod 417, and the connecting pin 410 at the lower end of the second-stage section rod 429 is matched and connected with the fastening device 408 at the upper end of the first-stage section rod 417; when the detection height does not need to be increased, the connection between the connecting pin 410 at the lower end of the second-stage section rod 429 and the fastening device 408 at the upper end of the first-stage section rod 417 can be only disconnected, the connection between the connecting pin 428 at the lower end of the second-stage section rod 429 and the detachable pin hole 409 at the upper end of the first-stage section rod 417 is kept, and the second-stage section rod 429 is folded at one side of the first-stage section rod 417; the first-stage section bar 417 is fixedly connected to the base 405 through a mounting bar 418 positioned at the front side of the scale band winding mechanism 404, and a fastening device 408 and a detachable pin hole 409 which are respectively used for connecting a connecting pin bar 410 and a connecting pin shaft 428 at the lower end of a bar body 407 of the first-stage section bar 417 are arranged on the mounting bar 418; the mounting rod 418 is also provided with a feeding port 420 communicated with the lifting slide block track 406 of the rod body 407 of the first-stage link rod 417, so that the winding-up lifting slide block 205 or the unwinding lifting slide block 319 can be conveniently mounted; the fastening device 408 comprises a fastening body 413, a fastening snap ring 412 and a fastening screw 414; the fastening ring 412 has a "U" shape, and can be inserted into a ring hole of the fastening body 413 and fastened and fixed by the fastening screw 414 to fasten the fastening ring 412 and the connecting pin 410.

The fog droplet drift measuring device further comprises a controller and a remote control device which are connected in a Bluetooth matching mode, the controller is respectively connected with the angle sensor 309, the lead screw stepping motor 207 and the take-up stepping motor 218, after the controller receives a remote instruction of the remote control device, the lead screw stepping motor 207 and the take-up stepping motor 218 are controlled to execute corresponding work, and the work processes of the lead screw stepping motor 207 and the take-up stepping motor 218 are adjusted in real time by receiving feedback information of the angle sensor 309.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses the device can realize simplifying cloth appearance, convenient to carry, the biggest height-adjustable of strutting arrangement, receive and release the sampling line automatically, once cloth appearance accomplishes multiunit collection task and remote control's function.

Drawings

Fig. 1 is a schematic structural view of the droplet drift measuring device for conveniently collecting and releasing the droplet sampling line of the present invention;

fig. 2a is an external structure schematic diagram of the automatic wire rewinding device 2;

fig. 2b is a schematic view of the internal structure of the automatic wire rewinding device 2;

FIG. 3a is a schematic structural diagram of a take-up roll 211;

fig. 3b is a schematic diagram of two take-up rolls 211 in an assembled state;

FIG. 3c is a first schematic structural diagram of the clamping mechanism 210;

FIG. 3d is a second schematic structural view of the clamping mechanism 210;

FIG. 4a is a schematic view of the external structure of the pay-off device 3;

FIG. 4b is a schematic view of the internal structure of the pay-off device 3;

FIG. 4c is an enlarged view of the clamping and distance measuring mechanism 305;

fig. 5a is a schematic structural view of the lifting support device 1;

FIG. 5b is a schematic view of the mechanism of the scale band 403 and the lifting coupler 416;

FIG. 6 is a schematic diagram of the connection of the sampling line 4;

fig. 7 is a schematic structural diagram of the scale tape winding mechanism 404;

fig. 8a is a schematic view of the adjustment of the scale band adjustment clamp 411 of the lifting connection hook 416;

fig. 8b is a schematic view of the grip state of the scale band adjusting grip 411 of the lifting connection hook 416;

fig. 9a is a schematic structural diagram of the lift support device 1 according to the embodiment of the present invention;

fig. 9b is a schematic diagram of the assembly state of the first-stage link 417 and the second-stage link 429 according to the embodiment of the present invention;

fig. 9c is a schematic diagram of the first-stage link 417 and the second-stage link 429 according to the embodiment of the present invention in a folded state;

fig. 9d is a schematic structural view of a mounting rod 418 according to an embodiment of the present invention;

fig. 9e is a schematic structural diagram of a fastening device 408 according to an embodiment of the present invention;

FIG. 9f is a cross-sectional view taken along line A-A of FIG. 9 e;

fig. 9g is a schematic diagram of the stringing device 3 according to the embodiment of the present invention;

fig. 10 is a flow chart of the utility model discloses a convenient fog droplet drift measuring device who receive and releases fog droplet sampling line.

Wherein the reference numerals are:

1 lifting support device

401 lifting support bar 402 lifting belt wheel

403 scale band 404 scale band winding mechanism

405 base 406 elevator slide rail

407 rod body 408 fastening device

409 Detachable pin hole 410 connecting pin rod

411 scale tape adjusting and clamping device 412 fastening buckle

413 fastening body 414 fastening screw

415 graduation 416 Lift hook attachment

417 first-stage rod 418 mounting rod

419 graduation belt pressure reading mechanism 420 feeding inlet

421 scale band wind-up wheel 422 worm gear crank mechanism

423 lifting connection hook winding wheel 424 scale band clamping plate

425 Lift transport connecting hook fixing plate 426 clamping buckle

427 buckling rod 428 connecting pin shaft

429 second-level section rod

2 automatic take-up device

201 wire-collecting upper cover shell 202 wire-collecting lower cover shell

203 take-up port 204 take-up lifting shaft

205 take-up lifting slide block 206 lead screw slide block mechanism

207 lead screw stepping motor 208 lead screw

209 lead screw slider track 210 clamping mechanism

211 take-up reel 212 wheel thorn

213 Take-up reel pin 214 take-up reel pin hole

215 right clamping disc 216 spring expansion bracket

217 clamping plate 218 take-up stepping motor

219 holding disc pin 220 extension spring

221 leading screw slider 222 leading screw hole

223 clamping disk pin hole 224 fixing rod

225 left clamping disc of telescopic rod 226

3 paying-off device

301 pay-off upper cover shell 302 pay-off lower cover shell

303 wire outlet 304 shaft hole

305 clamping and ranging mechanism 306 paying-off wheel

307 positioning groove 308 positioning plate

309 angle sensor 310 left clamping arm

311 left mounting plate 312 clamping tension spring

313 anti-slip groove 314 right clamping arm

315 right clamping wheel 316 anti-skid flange

317 left clamping wheel 318 right mounting plate

319 paying-off lifting slide block 320 paying-off lifting shaft

4 sampling line

l length of take-up reel 211

L sampling length of the sampling line 4

H sample height of sample line 4

h distance between sampling lines

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, the device for measuring the drifting of the fogdrop sampling line, which is convenient to receive and release, comprises an elevating supporting device 1, and at least one pair of an automatic take-up device 2 and a pay-off device 3 which are used for receiving and releasing the sampling line 4.

As shown in fig. 2a and 2b, the automatic wire rewinding device 2 includes an upper wire rewinding case 201, a lower wire rewinding case 202, a wire rewinding lifting slider 205, a screw slider mechanism 206, a clamping mechanism 210, and a rewinding spool 211.

The wire collecting upper cover 201 and the wire collecting lower cover 202 are hinged to each other to form a foldable wire collecting shell. A wire take-up opening 203 is formed in the middle of the front end face of the wire take-up shell, and the wire take-up lifting slide block 205 is fixedly connected to the rear end face of the wire take-up lower housing 202; the upper end and the lower end of the take-up lifting slide block 205 are fixedly connected with a take-up lifting shaft 204 respectively. The lead screw sliding block mechanism 206, the clamping mechanism 210 and the take-up coil 211 are arranged inside the take-up shell, and the take-up coil 211 corresponds to the take-up opening 203.

As shown in fig. 3a, the take-up roll 211 has a cylindrical roll body, and both left and right ends of the roll body are provided with a wheel spine 212 for connecting and separating the sampling lines 4; a plurality of equal-diameter take-up reel pin shafts 213 are uniformly distributed on the left end surface of the take-up reel 211, and a take-up reel pin hole 214 corresponding to the take-up reel pin shafts 213 is arranged on the right end surface.

As shown in fig. 3b, the plurality of take-up rolls 211 can be sequentially spliced in parallel through the take-up roll pin shaft 213 and the take-up roll pin hole 214, and the number of the take-up rolls 211 can be determined according to the number of experimental groups.

As shown in fig. 3c and 3d, the clamping mechanism 210 includes a left clamping plate 226, a right clamping plate 215, a spring expansion bracket 216, a clamping plate 217, and a take-up stepping motor 218, for clamping and controlling the take-up roll 211. Wherein,

the spring expansion bracket 216 can keep the retraction trend, the left end and the right end of the spring expansion bracket are respectively fixedly connected with a clamping plate 217, the left clamping disc 226 and the right clamping disc 215 are respectively installed on the clamping plate 217 through bearings, and the left clamping disc 226 or the right clamping disc 215 is connected with a power output shaft of the take-up stepping motor 218.

The left clamping disk 226 is provided with a clamping disk pin hole 223 corresponding to the take-up reel pin hole 213 on the left end face of the take-up reel 211, and the right clamping disk 215 is provided with a clamping disk pin hole 219 corresponding to the take-up reel pin hole 214 on the right end face of the take-up reel 211, so as to clamp and fix the single or multiple spliced take-up reels 211.

The spring expansion bracket 216 comprises a fixed rod 224, an expansion rod 225 and an expansion tension spring 220, wherein the fixed rod 224 is provided with a sliding hole for accommodating the expansion rod 225 along the axis thereof, the expansion tension spring 220 is sleeved outside the expansion rod 225, and two ends of the expansion tension spring 220 are fixedly connected with the end parts of the fixed rod 224 and the expansion rod 225 respectively, so that the expansion rod 225 keeps a retraction trend.

Preferably, the fixing rod 224 is shaped like a plate and is connected with a plurality of telescopic rods 225 arranged side by side.

As shown in fig. 2b and 3c, the lead screw slider mechanism 206 includes a lead screw 208, a lead screw stepper motor 207, a lead screw slider track 209, and a lead screw slider 221.

The lead screw 208 is mounted on the inner wall of the take-up lower housing 202 and connected with a power output shaft of the lead screw stepping motor 207. The lead screw slider track 209 is parallel to the lead screw 208 and fixedly connected to the inner wall of the take-up lower housing 202. The screw rod sliding block 221 is connected with the screw rod 208 through a screw rod screw hole 222 arranged on the screw rod sliding block, the rear end surface of the screw rod sliding block 221 is slidably arranged in the screw rod sliding block track 209, and the front end surface is fixedly connected with a fixed rod 224 of the spring telescopic frame 216.

As shown in fig. 4a and 4b, the paying-off device 3 comprises an upper paying-off housing 301, a lower paying-off housing 302, a paying-off wheel 306, a clamping distance measuring mechanism 305 and a paying-off lifting slide 319.

The pay-off upper cover shell 301 and the pay-off lower cover shell 302 are hinged with each other to form a pay-off shell capable of being opened and closed. The front end face of the wire releasing upper cover shell 301 is provided with a wire releasing port 303; the paying-off lifting slide block 319 is fixedly connected to the rear end face of the paying-off lower casing 302, and the upper end and the lower end of the paying-off lifting slide block 319 are fixedly connected to a paying-off lifting shaft 320 respectively. The payout roller 306 and the clamping and ranging mechanism 305 are disposed inside the payout housing.

The middle parts of the joints of the left and right end surfaces of the pay-off upper cover shell 301 and the pay-off lower cover shell 302 are respectively provided with a shaft hole 304, and the edges of the pay-off upper cover shell 301 and the pay-off lower cover shell 302 corresponding to one shaft hole 304 are provided with positioning grooves 307. The paying-off wheel 306 is arranged in the paying-off shell through the matching of wheel shafts arranged at two ends of the paying-off wheel and the shaft hole 304; a wheel shaft at one end of the paying-off wheel 306 is provided with a positioning disc 308 corresponding to the positioning groove 307, so that the paying-off wheel 306 can be axially positioned.

As shown in fig. 4b and 4c, the clamping distance measuring mechanism 305 includes a left clamping wheel 317, a right clamping wheel 315, a left clamping arm 310, a right clamping arm 314, an angle sensor 309, a left mounting plate 311, a right mounting plate 318, and a clamping tension spring 312.

The left mounting plate 311 and the right mounting plate 318 are respectively fixedly connected to the pay-off upper housing 301 at the left side and the right side of the pay-off port 303; the tail end of the left clamping arm 310 is fixedly connected to the left mounting plate 311, and the head end is connected to the rotatable left clamping wheel 317. The surface of the left clamping wheel 317 is provided with an anti-skid groove 313.

The tail end of the right clamping arm 314 is hinged on the right mounting plate 318, and the head end of the right clamping arm is connected with the rotatable right clamping wheel 315; the surface of the right clamping wheel 315 is provided with an anti-skid flange 316 which is matched with the anti-skid groove 313 of the left clamping wheel 317. The middle point of the contact line of the anti-slip flange 316 and the anti-slip groove 313 and the center of the line placing port 303 are positioned on the same straight line, and the anti-slip flange 316 and the anti-slip groove 313 are arranged to prevent the sampling line 4 from slipping off from the clamping distance measuring mechanism. A clamping tension spring 312 is arranged between the right clamping arm 314 and the right mounting plate 318, so that clamping force is generated between the left clamping wheel 317 and the right clamping wheel 315.

The angle sensor 309 is connected with a rotating shaft of the left clamping wheel 317 or the right clamping wheel 315, and is used for detecting the number of rotating turns of the left clamping wheel 317 or the right clamping wheel 315.

As shown in fig. 1 and 5a, the lifting support device 1 comprises two lifting support mechanisms which have the same structure and are oppositely arranged, and the two lifting support mechanisms are respectively hooked with the automatic wire rewinding device 2 and the wire releasing device 3; each of the elevating support mechanisms includes an elevating support rod 401, an elevating pulley 402, a scale belt 403, a scale belt take-up mechanism 404, a base 405, and an elevating coupling hook 416.

The lifting support rod 401 is vertically and fixedly connected to the base 405, and a lifting slide block track 406 is arranged on the lifting support rod 401 along the vertical direction and used for mounting the take-up lifting slide block 205 or the pay-off lifting slide block 319. Wheel shafts are arranged at two ends of the lifting belt wheel 402, and are arranged at the top end of the lifting support rod 401 through belt wheel arms and used for supporting the scale belt 403. The graduated tape winding mechanism 404 is fixedly connected to the base 405 and used for controllably winding and unwinding the graduated tape 403; one end of the scale belt 403 is connected with the scale belt winding mechanism 404, and the other end of the scale belt 403 is fixedly connected with the lifting connecting hook 416; the lifting coupling hook 416 is adapted to be hooked to the wire take-up lifting shaft 204 of the wire take-up lifting slider 205 or the wire release lifting shaft 320 of the wire release lifting slider 319.

As shown in fig. 5b, the surface of the scale band 403 is provided with scale lines 415.

As shown in fig. 6, the free end of the sampling line 4 wound around the paying-off wheel 306 in the paying-off device 3 passes through the space between the left clamping wheel 317 and the right clamping wheel 315 of the clamping and ranging mechanism 305, the paying-off opening 303, and the take-up opening 203 of the automatic take-up device 2 in sequence, and is connected to the take-up reel 211.

Further, when the lifting support mechanism hooks a plurality of automatic winding devices 2 or a plurality of unwinding devices 3, adjacent automatic winding devices 2 or unwinding devices 3 are connected by a section of graduated belt 403 with a certain length and lifting connecting hooks 416 at two ends.

As shown in fig. 7, the scale tape winding mechanism 404 includes a scale tape winding wheel 421 mounted on the base 405, a scale tape reading mechanism 419, and a worm and gear crank mechanism 422.

The worm and gear crank mechanism 422 comprises a Z-shaped crank, a worm and a worm gear, the worm can drive the worm gear to rotate under the driving of the Z-shaped crank, and the worm and gear has a reverse stroke self-locking function. The scale band pressure reading mechanism 419 is located on the front side of the wheel body of the scale band rolling wheel 421, and has a pressure reading opening for accommodating the scale band 403.

The rotating shaft of the scale tape winding wheel 421 is connected with the worm wheel of the worm wheel and worm crank mechanism 422, and the scale tape 403 is wound on the wheel body of the scale tape winding wheel 421 and penetrates out of the pressure reading port of the scale tape pressure reading mechanism 419.

As shown in fig. 8a and 8b, the lifting attachment hook 416 is attached to the scale band 403 by means of a scale band adjustment clamp 411. The scale band adjusting and clamping device 411 includes an elevating connecting hook winding wheel 423, a scale band clamping plate 424 and an elevating connecting hook fixing plate 425. The lifting connecting hook winding wheel 423 is rotatably installed at the lower part of the lifting connecting hook fixing plate 425 and is used for winding and unwinding the scale tape 403. The scale belt clamping plate 424 is hinged on the upper part of the lifting connection hook fixing plate 425; the two sides of the graduated belt clamping plate 424 are respectively hinged with a clamping buckle 426, and the two sides of the lifting connection hook fixing plate 425 are respectively fixedly connected with a buckle rod 427; the scale band holding plate 424 and the elevator link hook plate 425 hold the scale band 403 by the cooperation of the holding buckle 426 and the buckle rod 427. The lift attachment hook 416 is secured to the bottom end of a lift attachment hook securing plate 425.

Preferably, lift bracing piece 401 is the multistage structure of assembling, including a plurality of festival poles that can end to end connection, can confirm the quantity of festival pole according to the detection needs to adjust and detect the height.

In the embodiment shown in fig. 9a, 9b and 9c, the lifting support bar 401 is composed of a first-stage link 417 and a second-stage link 429 which are interlaced with each other. As shown in fig. 9a, the first-stage joint rod 417 and the second-stage joint rod 429 are mirror-symmetrical structures, and each of the first-stage joint rod 417 and the second-stage joint rod 429 includes a rod body 407, a fastening device 408, a detachable pin hole 409, a connecting pin 410, and a connecting pin 428. The rod body 407 is provided with an elevating slider track 406 matched with the wire-rewinding elevating slider 205 or the wire-releasing elevating slider 319; the fastening device 408 and the detachable pin hole 409 are respectively fixed on the left and right sides of the upper end of the rod body 407, and the connecting pin 410 and the connecting pin 428 are respectively fixed on the left and right sides of the lower end of the rod body 407. As shown in fig. 9b, when the first-stage rod 417 is connected to the second-stage rod 429, the connecting pin 428 at the lower end of the second-stage rod 429 is connected to the detachable pin hole 409 at the upper end of the first-stage rod 417 in a matching manner, and the connecting pin 410 at the lower end of the second-stage rod 429 is connected to the fastening device 408 at the upper end of the first-stage rod 417 in a matching manner. As shown in fig. 9c, when the detection height is not required to be increased, the connection pin 410 at the lower end of the second-stage link 429 and the fastening device 408 at the upper end of the first-stage link 417 are simply disconnected, and the connection pin 428 at the lower end of the second-stage link 429 and the detachable pin hole 409 at the upper end of the first-stage link 417 are maintained, so that the second-stage link 429 is folded at one side of the first-stage link 417.

As shown in fig. 9d, the primary segment 417 in the above embodiment is fixed to the base 405 by a mounting rod 418 located at the front side of the scale tape winding mechanism 404, and the mounting rod 418 is provided with a fastening device 408 and a detachable pin hole 409 for respectively connecting with the connecting pin 410 and the connecting pin 428 at the lower end of the rod body 407 of the primary segment 417; the mounting rod 418 is further provided with a feeding port 420 communicated with the lifting slide block track 406 of the rod body 407 of the first-stage link rod 417, so that the winding-up lifting slide block 205 or the unwinding lifting slide block 319 can be conveniently mounted.

As shown in fig. 9e and 9f, the fastening device 408 includes a fastening body 413, a fastening buckle 412 and a fastening screw 414. The fastening ring 412 has a "U" shape, and can be inserted into a ring hole of the fastening body 413 and fastened and fixed by the fastening screw 414 to fasten the fastening ring 412 and the connecting pin 410.

As shown in fig. 10, the working process of the present invention is as follows:

and S1, mounting the automatic wire rewinding device 2.

S1.1, resetting a clamping mechanism 210 in the automatic wire rewinding device 2 (enabling a wire rewinding roll 211 at the rightmost end to correspond to a wire rewinding port 203);

s1.2, determining the number of the take-up coils 211 according to the number of the experimental groups and assembling (the assembling mode is shown in figure 3 b).

S1.3, putting the assembled take-up coil 211 into the clamping mechanism 210.

And S2, installing the pay-off device 3.

S2.1, loading the sampling line 4 into a pay-off wheel 306 and placing the pay-off wheel 306 into a pay-off shell;

s2.2, the sampling line 4 passes through the space between the left clamping wheel 317 and the right clamping wheel 315 of the clamping distance measuring mechanism 305. (as shown in FIG. 6)

And S3, mounting the lifting support device 1.

S3.1, determining the number of the rods according to the sampling height H of the sampling line 4 required by the experiment, splicing the rods (the splicing mode is shown in figure 9 b), and then installing the rods on the base 405;

s3.2, opening the clamping buckles 426 of the scale band adjusting and clamping devices 411 of the lifting connecting hooks 416, adjusting the lengths of the scale bands 403 by rotating the lifting connecting hook winding wheels 423 to enable the sampling line spacing h (shown in figure 1) to meet the experimental requirements, and buckling the clamping buckles 426 after the adjustment is finished; then, the respective movable take-up devices 2 and the respective pay-off devices 3 are connected in series by hooking the lifting connecting hooks 416 with the take-up lifting shafts 204 or the pay-off lifting shafts 320 (see fig. 9 g).

And S3.3, feeding the respective automatic take-up devices 2 and the respective pay-off devices 3 from the lifting slide block feeding openings 420.

And S3.4, pressing the scale tape 403 wound on the scale tape winding wheel 423 above the lifting belt wheel 402 through a pressure reading mechanism 419 and respectively hooking the scale tape with the upper end lifting shaft 204 of the uppermost automatic wire rewinding device 2 and the wire releasing lifting shaft 320 of the wire releasing device 3.

And S4, mounting the sampling line 4. As shown in FIG. 5, the free end of the sampling line 4 is connected to the right wheel prick 212 of the rightmost assembled take-up reel in a manual buckling manner. Finally, the worm wheel and worm rod crank mechanism 422 is shaken, and the sampling line 4 is sent to the height H (shown in figure 1) required by the experiment through the change of the degree of the scale band 403.

And S5, after the cloth sample is finished, starting the experiment.

S5.1, inputting the sampling length L (shown in figure 1) of a sampling line 4 to a controller through remote control equipment, and starting a group of experiments;

s5.2, after the group of experiments are completed and the controller receives a starting instruction, initializing the angle sensor 309, and counting the number of rotation turns to be 0; the take-up coil 211 is driven by the take-up stepping motor 218 to rotate to take up the sampling line 4, the left clamping wheel 317 and the right clamping wheel 315 are driven by the sampling line 4 to rotate, and the angle sensor 309 detects and collects the sampling line 4 in real timeFeeding back the number of rotation turns N of the left clamping wheel 317 or the right clamping wheel 315, and simultaneously, rotationally paying off the sampling line under the tension of the paying-off wheel 306; when the angle sensor 309 detects that the number of rotation turns N of the left clamping wheel 317 or the right clamping wheel 315 is equal to the number of rotation turns N of the left clamping wheel 317 or the right clamping wheel 315 corresponding to the sampling line 4 with the sampling length L^′When the take-up operation is completed, the take-up stepping motor 218 stops rotating;

wherein, the number of rotation turns N of the left clamping wheel 317 or the right clamping wheel 315 corresponding to the sampling line 4 with the sampling length L is collected^′Determined by equation 1:

in the formula, N^′Collecting the number of rotation turns of the left clamping wheel 317 or the right clamping wheel 315 corresponding to the sampling line 4 with the sampling length L; r is the radius of the left clamping wheel 317 or the right clamping wheel 315.

S5.3, after the take-up stepping motor 218 stops rotating, the lead screw stepping motor 207 rotates forward to drive the lead screw 209 to rotate, the clamping mechanism 206 moves rightwards, and after the next take-up coil 211 corresponds to the take-up opening 203, the lead screw stepping motor 207 stops rotating and starts the next group of experiments; wherein, the number of rotations n of the lead screw stepping motor 207 is determined by formula 2:

where l is the length of the take-up roll 211 (see FIG. 3 b); s is the lead of the lead screw 209;

and S5.4, repeating the steps S5.2-S5.3 until the last group of experiments are completed, sending a completion instruction to the controller through the remote control equipment, repeating the step S5.2, and finishing all the experiments.

Claims

1. A fog drop drift measuring device capable of conveniently collecting and releasing fog drop sampling lines is characterized by comprising an elevating supporting device (1), at least one pair of automatic take-up device (2) and pay-off device (3) for collecting and releasing sampling lines (4);

the automatic wire take-up device (2) comprises an upper wire take-up housing (201), a lower wire take-up housing (202), a wire take-up lifting slide block (205), a screw slide block mechanism (206), a clamping mechanism (210) and a take-up coil (211);

the upper wire collecting housing (201) and the lower wire collecting housing (202) are hinged with each other to form a foldable wire collecting housing; the middle part of the front end face of the wire take-up shell is provided with a wire take-up port (203), and the wire take-up lifting slide block (205) is fixedly connected to the rear end face of the wire take-up lower housing (202); the upper end and the lower end of the take-up lifting slide block (205) are fixedly connected with a take-up lifting shaft (204) respectively; the lead screw sliding block mechanism (206), the clamping mechanism (210) and the take-up coil (211) are arranged inside the take-up shell, and the take-up coil (211) corresponds to the take-up opening (203);

the take-up coil (211) is provided with a cylindrical coil body, and the left end and the right end of the coil body are respectively provided with a wheel thorn (212) for connecting and separating the sampling lines (4);

the clamping mechanism (210) comprises a left clamping disc (226), a right clamping disc (215), a spring expansion bracket (216), a clamping plate (217) and a take-up stepping motor (218) and is used for clamping and controlling the take-up coil (211); wherein,

the spring telescopic frame (216) can keep a retraction trend, the left end and the right end of the spring telescopic frame are fixedly connected with a clamping plate (217) respectively, the left clamping disc (226) and the right clamping disc (215) are installed on the clamping plate (217) respectively through bearings, and the left clamping disc (226) or the right clamping disc (215) is connected with a power output shaft of the take-up stepping motor (218);

the lead screw slider mechanism (206) comprises a lead screw (208), a lead screw stepping motor (207), a lead screw slider track (209) and a lead screw slider (221);

the screw rod (208) is arranged on the inner wall of the take-up lower housing (202) and is connected with a power output shaft of the screw rod stepping motor (207); the lead screw sliding block track (209) is parallel to the lead screw (208) and fixedly connected to the inner wall of the take-up lower housing (202); the screw rod sliding block (221) is connected with the screw rod (208) through a screw rod screw hole (222) formed in the screw rod sliding block, the rear end face of the screw rod sliding block (221) is slidably installed in a screw rod sliding block track (209), and the front end face of the screw rod sliding block is fixedly connected with the spring telescopic frame (216);

the pay-off device (3) comprises a pay-off upper housing (301), a pay-off lower housing (302), a pay-off wheel (306), a clamping and ranging mechanism (305) and a pay-off lifting slide block (319);

the pay-off upper cover shell (301) and the pay-off lower cover shell (302) are hinged with each other to form a pay-off shell which can be opened and closed; the front end face of the wire releasing upper cover shell (301) is provided with a wire releasing port (303); the paying-off lifting slide block (319) is fixedly connected to the rear end face of the paying-off lower housing (302), and the upper end and the lower end of the paying-off lifting slide block (319) are fixedly connected with a paying-off lifting shaft (320) respectively; the paying-off wheel (306) and the clamping and ranging mechanism (305) are arranged inside the paying-off shell;

the middle parts of the joints of the left end face and the right end face of the pay-off upper cover shell (301) and the pay-off lower cover shell (302) are respectively provided with a shaft hole (304), and the pay-off wheel (306) is arranged in the pay-off shell through the matching of wheel shafts arranged at the two ends of the pay-off wheel and the shaft holes (304);

the clamping and ranging mechanism (305) comprises a left clamping wheel (317), a right clamping wheel (315), a left clamping arm (310), a right clamping arm (314), an angle sensor (309), a left mounting plate (311), a right mounting plate (318) and a clamping tension spring (312);

the left mounting plate (311) and the right mounting plate (318) are fixedly connected to the pay-off upper cover shell (301) on the left side and the right side of the pay-off port (303) respectively; the tail end of the left clamping arm (310) is fixedly connected to the left mounting plate (311), and the head end of the left clamping arm is connected with a rotatable left clamping wheel (317); the tail end of the right clamping arm (314) is hinged on the right mounting plate (318), and the head end of the right clamping arm is connected with the rotatable right clamping wheel (315); the angle sensor (309) is connected with a rotating shaft of the left clamping wheel (317) or the right clamping wheel (315) and used for detecting the number of rotating circles of the left clamping wheel (317) or the right clamping wheel (315); a clamping tension spring (312) is arranged between the right clamping arm (314) and the right mounting plate (318) to generate clamping force between the left clamping wheel (317) and the right clamping wheel (315);

the lifting support device (1) comprises two lifting support mechanisms which have the same structure and are oppositely arranged, and the two lifting support mechanisms are respectively connected with the automatic take-up device (2) and the pay-off device (3) in a hanging mode; each lifting support mechanism comprises a lifting support rod (401), a lifting belt wheel (402), a graduated belt (403), a graduated belt winding mechanism (404), a base (405) and a lifting connecting hook (416); the lifting support rod (401) is of a multi-stage assembly structure and comprises a plurality of section rods which can be connected end to end;

the lifting support rod (401) is vertically and fixedly connected to the base (405), and a lifting slide block track (406) is arranged on the lifting support rod (401) along the vertical direction and used for mounting a take-up lifting slide block (205) or a pay-off lifting slide block (319); wheel shafts are arranged at two ends of the lifting belt wheel (402), and the lifting belt wheel is arranged at the top end of the lifting support rod (401) through a belt wheel arm and used for supporting a scale belt (403); the scale band winding mechanism (404) is fixedly connected to the base (405) and used for controllably winding and unwinding the scale band (403); one end of the scale belt (403) is connected with the scale belt winding mechanism (404), and the other end of the scale belt is fixedly connected with the lifting connecting hook (416); the lifting connecting hook (416) is used for being hooked with a take-up lifting shaft (204) of the take-up lifting slide block (205) or a pay-off lifting shaft (320) of the pay-off lifting slide block (319);

the free end of the sampling line (4) wound on the pay-off wheel (306) in the pay-off device (3) sequentially passes through a space between the left clamping wheel (317) and the right clamping wheel (315) of the clamping and ranging mechanism (305), the pay-off opening (303) and the take-up opening (203) of the automatic take-up device (2) and is connected to the take-up reel (211).

2. The device for measuring the fogdrop drift of the fogdrop sampling line conveniently collected and released according to claim 1, wherein a plurality of equi-diameter coiling pin shafts (213) are uniformly distributed on the left end surface of the coiling (211), and coiling pin holes (214) corresponding to the coiling pin shafts (213) are formed in the right end surface of the coiling (211); the plurality of take-up reels (211) can be spliced in parallel in sequence through the take-up reel pin shaft (213) and the take-up reel pin hole (214); the wire winding and clamping device is characterized in that a clamping disc pin hole (223) corresponding to a wire winding and winding pin hole (213) of the left end face of the wire winding and winding (211) is formed in the left clamping disc (226), and a clamping disc pin hole (219) corresponding to a wire winding and winding pin hole (214) of the right end face of the wire winding and winding (211) is formed in the right clamping disc (215) and used for clamping and fixing the wire winding and winding (211) which are spliced independently or in a plurality of ways.

3. The device for measuring the fogdrop drift of the fogdrop sampling line convenient and fast to retract and release as claimed in claim 1, wherein the spring expansion bracket (216) comprises a fixed rod (224), an expansion rod (225) and an expansion tension spring (220), the fixed rod (224) is provided with a sliding hole for accommodating the expansion rod (225) along the axis of the fixed rod, the expansion tension spring (220) is sleeved outside the expansion rod (225), and two ends of the expansion tension spring (220) are fixedly connected with the fixed rod (224) and the end of the expansion rod (225) respectively.

4. The device for measuring the fog droplet drift of the convenient and fast collecting and releasing fog droplet sampling line according to claim 1, wherein a positioning groove (307) is arranged at the edge of the wire releasing upper cover shell (301) and the wire releasing lower cover shell (302) corresponding to one shaft hole (304); and a wheel shaft at one end of the paying-off wheel (306) is provided with a positioning disc (308) corresponding to the positioning groove (307), so that the paying-off wheel (306) can be axially positioned.

5. The device for measuring the fog droplet drift of the convenient and fast collecting and releasing fog droplet sampling line according to claim 1, wherein the wheel body surfaces of the left clamping wheel (317) and the right clamping wheel (315) are respectively provided with an anti-skid groove (313) and an anti-skid flange (316) which are matched with each other; the middle point of the contact line of the anti-skid flange (316) and the anti-skid groove (313) and the center of the wire releasing port (303) are positioned on the same straight line.

6. The device for measuring the fogdrop drift of the fogdrop sampling line convenient and fast to collect and release according to claim 1, wherein when the lifting support mechanism is hooked with the plurality of automatic winding devices (2) or the plurality of unwinding devices (3), the adjacent automatic winding devices (2) or the adjacent unwinding devices (3) are connected through a graduated belt (403) with a certain length and lifting connecting hooks (416) arranged at two ends.

7. The device for measuring the fog droplet drift of the convenient and fast collecting and releasing fog droplet sampling line according to claim 1, wherein the graduated belt winding mechanism (404) comprises a graduated belt winding wheel (421), a graduated belt pressure reading mechanism (419) and a worm and gear crank mechanism (422) which are arranged on a base (405); the worm and gear crank mechanism (422) comprises a Z-shaped crank, a worm and a worm gear, the worm can drive the worm gear to rotate under the driving of the Z-shaped crank, and the worm and gear has a reverse stroke self-locking function; the scale belt pressure reading mechanism (419) is positioned on the front side of the wheel body of the scale belt winding wheel (421) and is provided with a pressure reading opening for accommodating the scale belt (403); the rotating shaft of the scale tape winding wheel (421) is connected with the worm wheel of the worm and gear crank mechanism (422), and the scale tape (403) is wound on the wheel body of the scale tape winding wheel (421) and penetrates out of the pressure reading port of the scale tape pressure reading mechanism (419).

8. The device for measuring the fogdrop drift of the fogdrop sampling line conveniently collected and released according to claim 1, wherein the lifting connecting hook (416) is connected with the graduated belt (403) through a graduated belt adjusting and clamping device (411); the scale band adjusting and clamping device (411) comprises an elevating connecting hook winding wheel (423), a scale band clamping plate (424) and an elevating connecting hook fixing plate (425); the lifting connecting hook winding wheel (423) is rotatably arranged at the lower part of the lifting connecting hook fixing plate (425) and is used for winding and unwinding the scale tape (403); the scale belt clamping plate (424) is hinged to the upper part of the lifting connection hook fixing plate (425); two sides of the graduated belt clamping plate (424) are respectively hinged with a clamping buckle (426), and two sides of the lifting connection hook fixing plate (425) are respectively fixedly connected with a buckle rod (427); the graduated belt clamping plate (424) and the lifting connection hook fixing plate (425) are matched with each other through a clamping buckle (426) and a buckle rod (427) to clamp and fix the graduated belt (403); the lifting connecting hook (416) is fixedly connected to the bottom end of the lifting connecting hook fixing plate (425).

9. The device for measuring the fogdrop drift of the conveniently retractable fogdrop sampling line according to claim 1, wherein the lifting support rod (401) is formed by mutually staggering and assembling a primary section rod (417) and a secondary section rod (429); the first-stage section rod (417) and the second-stage section rod (429) are mirror symmetry structures and respectively comprise a rod body (407), a fastening device (408), a detachable pin hole (409), a connecting pin rod (410) and a connecting pin shaft (428); the rod body (407) is provided with an elevating slide block track (406) matched with the wire-collecting elevating slide block (205) or the wire-releasing elevating slide block (319); the fastening device (408) and the detachable pin hole (409) are fixedly connected to the left side and the right side of the upper end of the rod body (407) respectively, and the connecting pin rod (410) and the connecting pin shaft (428) are fixedly connected to the left side and the right side of the lower end of the rod body (407) respectively; when the first-stage section rod (417) is connected with the second-stage section rod (429), a connecting pin shaft (428) at the lower end of the second-stage section rod (429) is matched and connected with a detachable pin hole (409) at the upper end of the first-stage section rod (417), and a connecting pin rod (410) at the lower end of the second-stage section rod (429) is matched and connected with a fastening device (408) at the upper end of the first-stage section rod (417); when the detection height does not need to be increased, the connection of a connecting pin rod (410) at the lower end of the second-stage joint rod (429) and a fastening device (408) at the upper end of the first-stage joint rod (417) can be only disconnected, the connection of a connecting pin shaft (428) at the lower end of the second-stage joint rod (429) and a detachable pin hole (409) at the upper end of the first-stage joint rod (417) is kept, and the second-stage joint rod (429) is folded at one side of the first-stage joint rod (417); the primary section bar (417) is fixedly connected to the base (405) through a mounting bar (418) positioned on the front side of the scale band winding mechanism (404), and the mounting bar (418) is provided with a fastening device (408) and a detachable pin hole (409) which are respectively used for being connected with a connecting pin bar (410) and a connecting pin shaft (428) at the lower end of a bar body (407) of the primary section bar (417); the mounting rod (418) is also provided with a feeding port (420) communicated with an elevating slide block track (406) of a rod body (407) of the first-stage link rod (417), so that the installation of the take-up elevating slide block (205) or the pay-off elevating slide block (319) is facilitated; the fastening device (408) comprises a fastening body (413), a fastening snap ring (412) and a fastening screw (414); the fastening snap ring (412) is U-shaped, can be inserted into a snap ring hole of the fastening body (413), and is screwed and fixed by the fastening screw (414) to fasten and connect the fastening snap ring (412) and the connecting pin rod (410).

10. The device for measuring the fogdrop drift of the fogdrop sampling line conveniently and quickly according to any one of claims 1 to 9, wherein the device for measuring the fogdrop drift further comprises a controller and a remote control device which are connected in a Bluetooth pairing mode, the controller is respectively connected with the angle sensor (309), the lead screw stepping motor (207) and the take-up stepping motor (218), and after the controller receives a remote instruction of the remote control device, the lead screw stepping motor (207) and the take-up stepping motor (218) are controlled to perform corresponding work, and the work processes of the lead screw stepping motor (207) and the take-up stepping motor (218) are adjusted in real time by receiving feedback information of the angle sensor (309).