CN104931225B - A kind of Automatic continuous Weighing type sand-taped instrument - Google Patents

A kind of Automatic continuous Weighing type sand-taped instrument Download PDF

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Publication number
CN104931225B
CN104931225B CN201510352162.6A CN201510352162A CN104931225B CN 104931225 B CN104931225 B CN 104931225B CN 201510352162 A CN201510352162 A CN 201510352162A CN 104931225 B CN104931225 B CN 104931225B
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China
Prior art keywords
sand
collection
dust
tongue piece
cylinder
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CN201510352162.6A
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CN104931225A (en
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郭中领
常春平
王仁德
邹学勇
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Institute Of Geography Hebei Academy Of Sciences
Hebei Normal University
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Institute Of Geography Hebei Academy Of Sciences
Hebei Normal University
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Abstract

The invention provides a kind of Automatic continuous Weighing type sand-taped instrument.Its structure includes support, the husky unit of collection, data acquisition unit and power supply.The husky unit of described collection includes closed box, checking depressor, cyclone separator, sand collecting box and weight sensor.When collection is husky, stream initially enters in cyclone separator, air-flow in stream and sand and dust are carried out initial gross separation by cyclone separator, sand and dust after initial gross separation are contained remaining blast, sand and dust containing remaining blast eliminate remaining blast further after checking depressor, the sand and dust discharged by the outlet of checking depressor naturally fall in sand collecting box, then by weight sensor, the sand and dust in sand collecting box are carried out check weighing, and check weighing data are transmitted to data acquisition unit.Automatic continuous Weighing type sand-taped instrument provided by the present invention, automaticity is high, and maintenance cost is low, to natural situation possesses good fitting, is suitable for the high-precision wind-sand activity in field and automatically monitors.

Description

A kind of Automatic continuous Weighing type sand-taped instrument
Technical field
The present invention relates to a kind of sand-taped instrument, specifically a kind of Automatic continuous Weighing type sand-taped instrument.
Background technology
The main cause of arid biogeographic zone and semiarid region land deterioration is soil drifting, and the main exogenic force of soil drifting is wind-sand activity, and the direct indicator of reflection soil drifting wind-sand activity intensity is husky flux.Wind-sand activity near the ground monitoring is the main contents of soil drifting ground monitoring, and stream is mainly monitored by it, and monitoring result can provide basic data for soil drifting detection and forecast.At present, both at home and abroad the detection technique of stream is broadly divided into three major types: the first kind is to use pressure transducer, sound transducer or optical pickocff etc. that stream intensity is carried out indirect operation;Equations of The Second Kind is to use mechanical type sand-taped instrument (such as flat mouth sand-taped instrument, square-mouth sand-taped instrument, MWAC sand-taped instrument, cyclonic separation sand-taped instrument etc.) that stream intensity carries out quantitatively directly observation;3rd class is to use machinery sand-taped instrument collection husky, uses electronic machine to weigh and record sand and dust weight.First kind automaticity is high, it is possible to monitoring stream relative intensity (such as sand-dust particulates, saltation particle number and energy etc.) in real time, but can not obtain husky flux accurately weight;Equations of The Second Kind can Accurate Determining sand flux, but need the loaded down with trivial details husky process of artificial collection, therefore be difficult to husky flux is carried out monitoring and the automatic record in real time of high time resolution;3rd class can realize the real-time automatic monitoring to sand and dust data.
Although stream can be carried out real-time automatic monitoring by above-mentioned 3rd class, but, it can not overcome " blast " containing energy stream, so-called " blast " is namely fluid pressure produced by the wind in motion, weight sensor can be produced impact by " blast ", particularly in tempest period, " blast " that high energy stream produces can feed back to weight sensor, thus having a strong impact on the weighing precision of sand and dust;" blast " impact on high precision weight sensor, the weight data making sand and dust at short notice can be subject to the persistent disturbances of " blast ", thus being difficult to the real-time correct amount intercepting and capturing sand and dust, therefore, above-mentioned 3rd class stream detection technique is difficult to the monitoring of high accuracy and high time resolution.
And, the husky equipment of machinery collection of above-mentioned three class set sand instruments does not have rainproof function, as run into burst wind and rain situation, it is easy to the data having been observed that are damaged, even damages the electronic equipment being attached thereto.In sum, along with dust storm research is to the development of depth and fine direction, in the urgent need to a kind of automatization, precision is high, it is accurate to weigh and the husky equipment of weather-proof collection.
Summary of the invention
It is an object of the invention to provide a kind of Automatic continuous Weighing type sand-taped instrument, not high enough to solve existing sand-taped instrument certainty of measurement, temporal resolution, and the problem without rainproof function.
The present invention is achieved in that a kind of Automatic continuous Weighing type sand-taped instrument, including support, the husky unit of collection, data acquisition unit and power supply;Described support is vertically arranged, and the husky unit of described collection is arranged on the bracket, and the husky unit of described collection is for being collected the sand and dust in stream and check weighing;Described data acquisition unit is connected with the husky unit of described collection by cable, and described data acquisition unit can pass through the weight data of sand and dust in the husky unit Real-time Collection stream of described collection;Described power supply is for powering to described data acquisition unit and described collection sand unit;
The husky unit of described collection includes:
Closed box, its sidewall is fixing on the bracket by connecting rod;
Checking depressor, is positioned at described closed box, including housing and the be crisscross arranged upper decompression tongue piece in described inner walls both sides and lower decompression tongue piece;Described upper decompression tongue piece is positioned at the top of described lower decompression tongue piece, described upper decompression tongue piece and described lower decompression tongue piece all have a fixing end and a free end, and the sensing of two decompression tongue piece free ends is contrary, two decompression tongue pieces are all secured by holding its free end downward-sloping;
Cyclone separator, including cylinder, is arranged on described cylinder lateral wall near the sand inlet tube of upper-end part of driving and the net air escape pipe being arranged on described cylinder upper end;The top of described cylinder is vertical tube part, and the middle part of described cylinder is tapered portion, and the bottom of described cylinder is thin tube part, and the lower end of described thin tube part is through the upper cover of described closed box, and stretches in the housing of described checking depressor;
Sand collecting box, is arranged in described closed box, and is positioned at the lower section of the housing of described checking depressor, for collecting the sand and dust fallen by the housing of described checking depressor;And
Weight sensor, it is fixedly installed on the bottom in described closed box, described sand collecting box is placed on described weight sensor, and described weight sensor is for detecting the weight of sand and dust in described sand collecting box, and detected data is transmitted to described data acquisition unit by cable.
The husky unit of described collection also includes:
Shading rain cap, is arranged on the top of the net air escape pipe of described cyclone separator, for rain cover, avoids rainwater to be flowed in described cylinder by described net air escape pipe.
The husky unit of described collection also includes:
Wind is wagged the tail the wing, is arranged on the lateral wall of cylinder of described cyclone separator near upper-end part of driving, and setting opposing with described sand inlet tube, is used for making described cyclone separator swing with the wind.
Described upper decompression tongue piece and the angle of inclination of described lower decompression tongue piece in described checking depressor are 45 ° ~ 60 °.
Described sand inlet tube in described cyclone separator is horizontally disposed with, and is provided with the section of having a down dip that inclination angle is 10 ° ~ 15 ° in its anterior port.
The sidewall of described closed box is provided with dodge gate.
Described power supply is solaode or accumulator.
The husky unit of collection in the present invention is for collecting the sand and dust in stream and carrying out check weighing, and the husky unit of collection specifically includes closed box, checking depressor, cyclone separator, sand collecting box and weight sensor.When collecting sand and dust, first stream enters from the opening end of the sand inlet tube of cyclone separator, by entering in the cylinder of cyclone separator after sand inlet tube, stream contains air-flow and sand and dust, enter the stream in cylinder and first realize the initial gross separation of air-flow and sand and dust, namely major part air-flow is discharged from the net air escape pipe of cylinder upper end, sand and dust carry the air-flow (or claim remaining containing can stream) of fraction and enter in checking depressor from the bottom of cylinder, containing sequentially passing through decompression tongue piece and lower decompression tongue piece in checking depressor by stream, upper decompression tongue piece and lower decompression tongue piece can fully stop containing fraction air-flow entrained in energy stream, thus eliminating the blast of remaining, the sand and dust being exported out by checking depressor naturally fall in sand collecting box under gravity, realize the collection to sand and dust, by weight sensor, the sand and dust in sand collecting box are carried out the detection of weight again.
Before falling into sand collecting box at sand and dust, first through cyclone separator, the air-flow in stream and sand and dust have been carried out initial gross separation, after eliminate in sand and dust again the blast of remaining through checking depressor, therefore the sand and dust of sand collecting box are fallen into hardly with air-flow, namely overcome " blast " problem, solve in prior art because the impact of high precision weight sensor is caused the problem that certainty of measurement is not high by " blast ".
The present invention by cyclone separator net air escape pipe be provided above shading rain cap, it is possible to burst wind and rain situation under, stop rainwater from top to bottom by net air escape pipe enter cyclone separator cylinder in;And, sand inlet tube is connected with cylinder by the section of having a down dip, the section of having a down dip slightly tilts to sand inlet tube downwardly from cylinder, so, under burst wind and rain situation, even if side rainwater enters sand inlet tube with stream, rainwater also can naturally flow out under gravity in the section of having a down dip, owing to the gradient of the section of having a down dip is little, therefore again will not the circulation of catch blowing sand stream.
Automatic continuous Weighing type sand-taped instrument provided by the present invention, collection and the record of data are automatically performed by instrument, do not need experimenter and gather husky flux data, be greatly saved data acquisition time and labour cost in one or many dust storm event procedure.And, the Automatic continuous Weighing type sand-taped instrument in the present invention also can realize collection and the record of the high time resolution of husky flux data, substantially increases the precision to wind-driven sediment process observation.
Automatic continuous Weighing type sand-taped instrument provided by the present invention, automaticity is high, and maintenance cost is low, to natural situation possesses good fitting, is suitable for the high-precision wind-sand activity in field and automatically monitors.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the husky unit of collection in the present invention.
Fig. 3 is the top view of cyclone separator in the present invention.
Detailed description of the invention
As it is shown in figure 1, the present invention includes support 2, the husky unit 1 of collection, data acquisition unit 4 and power supply.
Support 2 is vertical tubular structure, and plug in pricker can be installed in the lower end of support 2, in order to fixed on the ground by support 2.Plug in pricker and support 2 is detachable structure.The husky unit 1 of collection is fixed on support 2 by connecting rod 25, and the husky unit 1 of collection is for being collected the sand and dust in stream and check weighing;The collection sand unit 1 of some differing heights can be installed according to actual needs when concrete application on support 2.Each husky unit 1 of collection connects with data acquisition unit 4 each through cable 3, and it is internal that cable 3 can stretch into support 2 from the top of support 2, then is stretched out by the bottom of support 2 and connect with data acquisition unit 4 afterwards.For avoiding cable 3 by rain erosion, cover plate can be set at support 2 top.
Data acquisition unit 4 can the weight data of sand and dust the data gathered are stored in Real-time Collection stream by collecting husky unit 1, the data of storage can be passed through USB connecting line (or claiming data wire) and import in computer, to realize data carry out warehouse-in preservation and data analysis.It is of course also possible to make the stored data of data acquisition unit 4 by wireless network transmissions to remote computer by GPRS antenna, improve the automatization level of instrument further.
Power supply is connected with data acquisition unit 4 and the husky unit 1 of each collection, for powering to the husky unit 1 of collection and data acquisition unit 4.Power supply can be solaode, it is also possible to for accumulator, or both combineds effect.Fig. 1 having illustrated, solar panel 5 is connected with data acquisition unit 4 and the husky unit 1 of each collection by cable 3.
As in figure 2 it is shown, the husky unit of collection includes closed box 20, checking depressor, cyclone separator, sand collecting box 15 and weight sensor 16.
Closed box 20 is rectangular box body structure, and it is internal is hollow structure.Closed box 20 is equivalent to collect a base of husky unit, and its sidewall is fixed on support by connecting rod.Weight sensor 16 is placed in the bottom in closed box 20, and in the present invention, weight sensor 16 is high-precision weight sensor, and its certainty of measurement is 0.01 gram.Sand collecting box 15 is arranged on weight sensor 16, specifically, being fixedly installed fixing seat 17 on weight sensor 16, the surrounding of fixing seat 17 arranges the card edge of epirelief, sand collecting box 15 is placed on fixing seat 17, the card edge at fixing seat 17 edge realize the position-limiting action to sand collecting box 15.
Cyclone separator includes cylinder 8, sand inlet tube 21 and net air escape pipe 23.Cylinder 8 is divided into again three, upper, middle and lower part;Its top is vertical tube part 8-1, and middle part is tapered portion 8-2, and bottom is thin tube part 8-3.In the present embodiment, vertical tube part 8-1 is the cylindrical structure of hollow, and tapered portion 8-2 is the Rotary-table structure of hollow, the heavy in section end of Rotary-table and the bottom connection of vertical tube part 8-1, and the small bore end of Rotary-table connects with the top of thin tube part 8-3;Thin tube part 8-3 is round tubular body.Tapered portion 8-2 and thin tube part 8-3 couple together constitute one similar " funnel-form " structure.The lower end of thin tube part 8-3 is stretched in closed box 20 through the upper cover of closed box 20.
Net air escape pipe 23 is arranged on the upper end of vertical tube part 8-1, net air escape pipe 23 is the circular tube structure of both ends open, its one end connects with the top of vertical tube part 8-1, its other end is gas outlet, the position connected with net air escape pipe 23 in the upper end of vertical tube part 8-1 is provided with through hole, and then makes the inner chamber (or claiming the inner chamber of cylinder 8) of vertical tube part 8-1 and the intracavity inter-connection of net air escape pipe 23.
On the sidewall of upper end, the section of having a down dip 22 it is provided with at vertical tube part 8-1, the section of having a down dip 22 is tubular structure, front port (the left side port of the section of having a down dip 22, namely the port after downward-sloping) connect sand inlet tube 21, sand inlet tube 21 is horizontal tubular structure, the section of having a down dip 22 is connected with sand inlet tube 21, and with cylinder 8 intracavity inter-connection.
Stream is entered in sand inlet tube 21 by the sand inlet (i.e. left side mouth in figure) of sand inlet tube 21 front end under the action of the forces of the wind, and enter in vertical tube part 8-1 by the section of having a down dip 22, then under gravity through tapered portion 8-2, then through thin tube part 8-3, finally cylinder 8 is discharged by the bottom of thin tube part 8-3.Air-flow and sand and dust are contained due to stream, when stream from top to bottom moves in cylinder 8, major part air-flow can pass through the net air escape pipe 23 of vertical tube part 8-1 upper end and discharge cylinder 8 outside, additionally fraction air-flow can move downward along with sand and dust, carry the sand and dust of fraction air-flow also referred to as after separating include remaining air-flow containing can stream.Therefore, after dust storm flows through cyclone separator, namely achieve the initial gross separation of air-flow and sand and dust.
Referring to Fig. 2 and Fig. 3, the present invention is in order to overcome the burst wind and rain destruction to the husky unit of collection, spy is provided with shading rain cap 6 at the top of cylinder 8, specifically, it is fixedly installed three shading rain cap supports 24 in the upper end (namely in the upper end of vertical tube part 8-1) of cylinder 8, net air escape pipe 23 is surrounded by the defined triangle (for equilateral triangle in the present embodiment) of three shading rain cap supports 24, shading rain cap 6 is umbrella-shaped structure, shading rain cap 6 is fixedly installed on the top of shading rain cap support 24, and the edge of shading rain cap 6 stretches out shading rain cap support 24.The height of shading rain cap support 24 is higher than the height of net air escape pipe 23, so that have certain distance between the gas outlet of shading rain cap 6 and net air escape pipe 23.On the one hand, arranging without influence on the pure air-flow discharged by the gas outlet of net air escape pipe 23 of shading rain cap 6, on the other hand, shading rain cap 6 also can effective rain cover, avoid rainwater from top to bottom to enter cylinder 8 by the gas outlet of net air escape pipe 23 internal, effectively block the rainwater damage to Monitoring Data and instrument etc..
In burst wind and rain situation, rainwater also can enter laterally in sand inlet tube 21 under the action of the forces of the wind, but, owing to being provided with the section of having a down dip 22 between sand inlet tube 21 and cylinder 8, the section of having a down dip 22 is slightly tilted downwards by level, and angle of inclination (namely the angle of the section of having a down dip and sand inlet tube) is 10 ° ~ 15 °, owing to the section of having a down dip 22 slopes downwardly in the direction to sand inlet tube 21 from cylinder 8, therefore, even if rainwater enters in sand inlet tube 21, flow in cylinder 8 without by the section of having a down dip 22.The angle of inclination of the section of having a down dip 22 is less, and when can prevent on the one hand burst rainfall, rainwater is from flowing sideways in cylinder, does not affect again the entrance descending stream without rain state on the other hand.
In order to improve the efficiency gathering sand and dust, the present invention is also provided with wind at the sidewall of cylinder 8 and wags the tail the wing 7, specifically, arrange wind in the lateral wall of vertical tube part 8-1 near upper-end part of driving to wag the tail the wing 7, wind is wagged the tail the wing 7 and the opposing setting of sand inlet tube, the wind wing 7 of wagging the tail can stretch under the action of the forces of the wind, and can swing with the wind, the wag the tail swing of the wing 7 of wind can drive cylinder 8 to rotate, owing to wind is wagged the tail the wing 7 and the opposing setting of sand inlet tube, therefore the stream that wind-force drives just can pass through the sand inlet of sand inlet tube and enter cylinder 8 inside, thus improving the efficiency that collection is husky.
In order to make cylinder 8 to swing with the wind, the present invention arranges the first hollow bearing 10 at the upper cover center position of closed box 20, the center making lower end traverse first hollow bearing 10 of the thin tube part 8-3 of cylinder 8 is stretched in closed box 20, and is stretched in checking depressor by the second hollow bearing 11 in closed box 20.The lower end of thin tube part 8-3 can rotate relative to the first hollow bearing 10 and the second hollow bearing 11, and then cylinder 8 can be made to swing with the wind.
Checking depressor is positioned at the inside of closed box 20.Checking depressor includes housing 12 and the be crisscross arranged upper decompression tongue piece 18 in housing 12 inwall both sides and lower decompression tongue piece 19.The lateral wall of housing 12 is affixed with the inwall of closed box 20 by connecting plate 13.Upper decompression tongue piece 18 and lower decompression tongue piece 19 are thin plate-shaped structure, and upper decompression tongue piece 18 is positioned at the top of lower decompression tongue piece 19.One end of upper decompression tongue piece 18 is fixed on the inwall of housing 12, and near the lower port of thin tube part 8-3, the other end of upper decompression tongue piece 18 is free end, and upper decompression tongue piece 18 is secured by end and slopes downwardly in the direction to its free end, and angle of inclination is between 45 ° ~ 60 °.One end of lower decompression tongue piece 19 is fixed on the inwall of housing 12, and near the free end of upper decompression tongue piece 18, the other end of lower decompression tongue piece 19 is free end, and lower decompression tongue piece 19 is secured by end and slopes downwardly in the direction to its free end, and angle of inclination is between 45 ° ~ 60 °.The fixing end of upper decompression tongue piece 18 and lower decompression tongue piece 19 is oppositely arranged on the inwall both sides of housing 12, so that the free end of upper decompression tongue piece 18 and lower decompression tongue piece 19 points to contrary.
The free end of upper decompression tongue piece 18 and lower decompression tongue piece 19 all inwalls from housing 12 have certain distance, the free end of upper decompression tongue piece 18 to be positioned at the oblique upper of the fixing end of lower decompression tongue piece 19, and near the fixing end of lower decompression tongue piece 19.The stream containing energy containing remaining air-flow fallen by the lower end of the thin tube part 8-3 of cylinder 8 enters after in checking depressor, first fall on decompression tongue piece 18, glide along upper decompression tongue piece 18 and fall on lower decompression tongue piece 19 through the free end of upper decompression tongue piece 18, then glide along lower decompression tongue piece 19 and fall through the free end of lower decompression tongue piece 19.The stream containing energy is successively after upper decompression tongue piece 18 and lower decompression tongue piece 19, air-flow remaining in it can be stopped by two tongue pieces that reduce pressure, thus the blast of remaining can be overcome, it is to avoid follow-up because of remaining blast, the impact of weight sensor is caused measurement result inaccurate problem.Upper decompression tongue piece 18 and lower decompression tongue piece 19 angle of inclination design at 45 ° ~ 60 °, both can effectively stop remaining blast, the free landing of sand and dust will not be hindered again.
The bottom of housing 12 may be designed to funnel-shaped structure, by the free end of lower decompression tongue piece 19 fall eliminate remaining air-flow after the sand and dust funnel-shaped structure through housing 12 bottom naturally fall.Dust storm can realize being sufficiently separated of sand and dust and air-flow after flowing through checking depressor.
Sand collecting box 15 is uncovered bucket body structure, and sand collecting box 15 is positioned at the underface of housing 12, the funnel-shaped structure of housing 12 bottom the sand and dust fallen just can be deposited in sand collecting box 15, it is achieved the collection to sand and dust.Weight sensor 16 below sand collecting box 15 can detect the weight of sand and dust in sand collecting box 15 in real time, and can detected data be transmitted to data acquisition unit 4 by cable 3.Data acquisition unit 4 gathers the frequency (or claiming acquisition time resolution) of data and can arrange voluntarily as required, and generally, the maximum data frequency acquisition of data acquisition unit 4 can be set to one minute.When being provided with multiple collection sand unit, the data detected by multiple weight sensors can be acquired by data acquisition unit 4, and can be arranged as required to different data acquiring frequency.
The present invention can also set dodge gate 14 on the sidewall of closed box 20, and the sand collecting box 15 that can be will be located in closed box 20 by dodge gate 14 is taken out, in order to the sand collecting box 15 of the full sand and dust of cleaning collection, is put back in closed box 20 by sand collecting box 15 after cleaning out again.
The present invention can also arrange air velocity transducer, wind transducer, temperature sensor and humidity sensor etc. on support 2, and these sensors connect with data acquisition unit 4 each through cable, the parameters such as wind speed, wind direction, temperature and humidity can be detected in real time by these sensors.

Claims (6)

1. an Automatic continuous Weighing type sand-taped instrument, is characterized in that, including support, the husky unit of collection, data acquisition unit and power supply;Described support is vertically arranged, and the husky unit of described collection is arranged on the bracket, and the husky unit of described collection is for being collected the sand and dust in stream and check weighing;Described data acquisition unit is connected with the husky unit of described collection by cable, and described data acquisition unit can pass through the weight data of sand and dust in the husky unit Real-time Collection stream of described collection;Described power supply is for powering to described data acquisition unit and described collection sand unit;
The husky unit of described collection includes:
Closed box, its sidewall is fixing on the bracket by connecting rod;
Checking depressor, is positioned at described closed box, including housing and the be crisscross arranged upper decompression tongue piece in described inner walls both sides and lower decompression tongue piece;Described upper decompression tongue piece is positioned at the top of described lower decompression tongue piece, described upper decompression tongue piece and described lower decompression tongue piece all have a fixing end and a free end, and the sensing of two decompression tongue piece free ends is contrary, two decompression tongue pieces are all secured by holding its free end downward-sloping;
Cyclone separator, including cylinder, is arranged on described cylinder lateral wall near the sand inlet tube of upper-end part of driving and the net air escape pipe being arranged on described cylinder upper end;The top of described cylinder is vertical tube part, and the middle part of described cylinder is tapered portion, and the bottom of described cylinder is thin tube part, and the lower end of described thin tube part is through the upper cover of described closed box, and stretches in the housing of described checking depressor;
Sand collecting box, is arranged in described closed box, and is positioned at the lower section of the housing of described checking depressor, for collecting the sand and dust fallen by the housing of described checking depressor;
Weight sensor, it is fixedly installed on the bottom in described closed box, described sand collecting box is placed on described weight sensor, and described weight sensor is for detecting the weight of sand and dust in described sand collecting box, and detected data is transmitted to described data acquisition unit by cable;And
Shading rain cap, is arranged on the top of the net air escape pipe of described cyclone separator, for rain cover, avoids rainwater to be flowed in described cylinder by described net air escape pipe;
Three shading rain cap supports it are fixedly installed in the upper end of described cylinder, described net air escape pipe is surrounded by the defined triangle of three shading rain cap supports, described shading rain cap is umbrella-shaped structure, described shading rain cap is fixedly installed on the top of described shading rain cap support, and the edge of described shading rain cap stretches out described shading rain cap support;The height of described shading rain cap support is higher than the height of described net air escape pipe.
2. Automatic continuous Weighing type sand-taped instrument according to claim 1, is characterized in that, the husky unit of described collection also includes:
Wind is wagged the tail the wing, is arranged on the lateral wall of cylinder of described cyclone separator near upper-end part of driving, and setting opposing with described sand inlet tube, is used for making described cyclone separator swing with the wind.
3. Automatic continuous Weighing type sand-taped instrument according to claim 1 and 2, is characterized in that, described upper decompression tongue piece and the angle of inclination of described lower decompression tongue piece in described checking depressor are 45 ° ~ 60 °.
4. Automatic continuous Weighing type sand-taped instrument according to claim 1 and 2, is characterized in that, the described sand inlet tube in described cyclone separator is horizontally disposed with, and is provided with the section of having a down dip that inclination angle is 10 ° ~ 15 ° in its anterior port.
5. Automatic continuous Weighing type sand-taped instrument according to claim 1 and 2, is characterized in that, is provided with dodge gate on the sidewall of described closed box.
6. Automatic continuous Weighing type sand-taped instrument according to claim 1 and 2, is characterized in that, described power supply is solaode or accumulator.
CN201510352162.6A 2015-06-24 2015-06-24 A kind of Automatic continuous Weighing type sand-taped instrument Expired - Fee Related CN104931225B (en)

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