CN207197775U - A kind of rotating cage rotating speed of shower nozzle measurement apparatus - Google Patents
A kind of rotating cage rotating speed of shower nozzle measurement apparatus Download PDFInfo
- Publication number
- CN207197775U CN207197775U CN201721200282.5U CN201721200282U CN207197775U CN 207197775 U CN207197775 U CN 207197775U CN 201721200282 U CN201721200282 U CN 201721200282U CN 207197775 U CN207197775 U CN 207197775U
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- rotating cage
- rotating
- speed
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model discloses a kind of rotating cage rotating speed of shower nozzle measurement apparatus, including blast velocity control platform, be connected the blower fan controlled by blast velocity control platform, the wind-tunnel of tubular, fixing device, rotating cage shower nozzle, the blade and tachometer being set on rotating cage shower nozzle with blast velocity control platform；One end of wind-tunnel is towards the blower fan of wind-tunnel air-supply, and the other end is the rotating cage shower nozzle with blade fixed by fixing device；Tachometer records corresponding rotating speed of the rotating cage shower nozzle under different wind speed by the sensing chip being attached on the cylinder mould of rotating cage shower nozzle.The rotation-speed measuring device of high-speed wind tunnel provided by the utility model can provide the influence of different leaves setting angle, wind speed to rotating cage rotating speed of shower nozzle, with efficiency high, accuracy is good the advantages of, the influence of air-flow size, blade angle to rotating cage rotating speed can be analyzed comprehensively, and then can further optimize rotating cage structure, provide reference for actual aviation flight spraying operation.
Description
Technical field
The utility model belongs to agricultural aviation plant protection technology field, more particularly to a kind of rotating cage rotating speed of shower nozzle measurement apparatus,
Utilize air-flow, the rotating cage sprinkler rotation of drive belt blade, by changing wind-tunnel wind caused by high-speed wind tunnel simulation aircraft flight
Unit frequency and rotating cage shower nozzle blade angle degree, obtain the influence of flying speed, blade construction and setting angle to rotating cage rotating speed
Relation.
Background technology
Rotating cage centrifugal atomizing technology based on light aerocraft has that operation height is low, and flexibility is high, and drift is few, to environment
Pollute the advantages that small, therefore, for different controlling objects, the atomizing effect under rotating cage shower nozzle different rotating speeds is studied, with reference to light-duty
Aircraft selects corresponding spray amount and the optimal mist droplet particle size of shower nozzle, be ensure to realize while prevention effect agricultural chemicals subtract apply it is important
Means.Rotating cage atomizing type is a kind of ultra low volume spray mode at present, is had very much to saving agricultural chemicals, improving agricultural chemicals atomization uniformity
Effect, the operation principle of rotating cage shower nozzle spraying drive rotating cage shower nozzle blade to rotate for high velocity air, and turning for rotating cage is driven by blade
Dynamic, liquid-supplying system provides decoction, and rotating cage shower nozzle is atomized under rotation condition to decoction.
During due to actual job, the dynamic of rotation is provided with movable vane piece rotation for rotating cage shower nozzle mainly by the flying speed of aircraft
Power, but air speed size to the rotating cage sprinkler rotation effect with blade in actual job be difficult measurement, it is necessary to by wind
Hole means obtain the influence relation of flying speed, blade construction and setting angle to rotating cage rotating speed.
Therefore, with the rotating cage rotating speed of shower nozzle measurement apparatus and method of testing of a kind of suitable laboratory measurement, change is passed through
Wind tunnel fan frequency and rotating cage shower nozzle blade angle degree, flying speed, blade construction and setting angle are obtained to rotating cage rotating speed
Influence relation, to provide reference frame during real aircraft flight operation.
Utility model content
Purpose of utility model：In order to accurately obtain the influence of air-flow size, blade angle degree to rotating cage rotating speed, enter
And further optimize rotating cage structure, reference is provided for actual aviation flight spraying operation, the utility model provides a kind of rotating cage spray
Head rotation-speed measuring device, aircraft flight air-flow is simulated using high-speed wind tunnel, driving blade rotates, and then drives turning for rotating cage shower nozzle
It is dynamic, so as to obtain the dominance relation of flight airflow, blade angle degree and rotating cage rotating speed.
Technical scheme：
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of rotating cage rotating speed of shower nozzle measurement apparatus, it is characterised in that be connected including blast velocity control platform, with blast velocity control platform by
The blower fan of blast velocity control platform control, the wind-tunnel of tubular, fixing device, rotating cage shower nozzle, the blade being set on rotating cage shower nozzle and turn
Speed meter；
Fixing device includes base, left support bar, connecting tube and right support bar；The normal thread connection of left support bar one end is solid
It is scheduled on base, the other end one connecting tube of mobilizable connection；Have one in connecting tube with female prominent cylindrical parts,
For being connected with the hollow shaft outer end external screw thread on rotating cage shower nozzle；Right support bar one end normal thread is fastened on base,
The other end makes rotating cage shower nozzle radially fixed to block the hollow shaft front end neck of rotating cage shower nozzle；
One end of wind-tunnel is towards the blower fan of wind-tunnel air-supply, and the other end is that the rotating cage with blade fixed by fixing device sprays
Head；
Tachometer is corresponding under different wind speed by the sensing chip record rotating cage shower nozzle being attached on the cylinder mould of rotating cage shower nozzle
Rotating speed.
The setting angle of the blade can adjust.
The wind-tunnel is more than the other end port towards the blade being fixed on rotating cage shower nozzle towards one end port of blower fan.
The rotating cage shower nozzle includes hollow shaft, anemostat cylinder mould and upper-lower casing；
It is used for the transmission mechanism for installing support hollow shaft rotation inside anemostat one end, outside is arranged upper and lower casing；Diffusion
Equally distributed hole is set on pipe other end outer wall, and cylinder mould is arranged the outside for the meshed portion for being covered in anemostat；
Hollow shaft one end is communicated in anemostat and extended into inside the anemostat of outer wall meshed portion；The other end is tool
Threaded free end, for being connected with connecting tube；
Anemostat, upper and lower casing can rotate together with cylinder mould relative to hollow shaft.
Upper and lower casing is placed on the outside of anemostat, for clamping the blade of installation angle rotatable；Lower house bottom is circle
Dish-type, fixed with cylinder mould bolt connection.
Rotating cage shower nozzle also includes；Hollow shaft one end spout is blocked by the valve base being placed on spout, is set on the spout outer wall
The shaft shoulder departed from when valve base slides can be stopped by being equipped with, and the shaft shoulder and valve base grasping set compression between the hook portion on the shaft shoulder
Spring.
The inside of the meshed portion of anemostat, the outside of hollow shaft spout set a distributor.
The internal diameter of distributor is more than the diameter for the valve base for being set in nozzle.
A kind of rotating cage rotating speed of shower nozzle measuring method, it is characterised in that comprise the following steps：
The first step, base is put to high-speed wind tunnel device air outlet position, by left support bar, the vertical spiral shell of right support bar
Line is connected on base, and the horizontal connection of connecting tube one end is fixed on left support bar；By the rotating cage shower nozzle hollow shaft with blade
Front end external screw thread is connected with the internal thread of the connecting tube other end；Right support bar blocks rotating cage shower nozzle hollow shaft front end neck, makes to turn
Cage shower nozzle radially keeps fixing；
Second step, blade installed and fixed be clamped in upper shell and the lower house on rotating cage shower nozzle cylinder mould it
Between；Fixed position of the connecting tube on left support bar is adjusted, the rotating cage shower nozzle with blade is arranged at high-speed wind tunnel air outlet
Center；
3rd step, Speed sensing piece is pasted on the rotating cage of the rotating cage shower nozzle with blade；
4th step, blast velocity control platform is opened so as to drive blower fan work to produce air-flow, persistently start shooting two minutes and treat that air-flow reaches
To stable state, steady air flow driving blade rotates and then drives the rotating cage uniform rotation of rotating cage shower nozzle；
5th step, the rotating speed using tachometer record now rotating cage shower nozzle rotating cage；
6th step, change variable, change blast velocity control platform electric machine frequency and change wind speed size, change blade angle degree
（30°~75°）, often change the rotating speed that primary parameter variable records a rotating cage shower nozzle rotating cage；
7th step, after completing test, statistical disposition is carried out to rotating cage shower nozzle rotating cage rotary speed data.
Blade angle degree is 30 ° ~ 75 °.
The utility model has the advantages that：The rotation-speed measuring device of high-speed wind tunnel provided by the utility model can
There is provided blade difference setting angle, experimental enviroment influences（Wind speed）Influence to rotating cage rotating speed.Method of testing efficiency high, accuracy
It is good, the influence of air-flow size, blade angle degree to rotating cage rotating speed can be analyzed comprehensively, and then can further optimize rotating cage knot
Structure, reference is provided for actual aviation flight spraying operation.
Brief description of the drawings
Fig. 1 is high-speed wind tunnel rotation-speed measuring device structural representation of the present utility model；
Fig. 2 is the top view in Fig. 1；
Fig. 3 is the rotating cage shower nozzle sectional view with blade；
Fig. 4 is the rotating cage nozzle structure schematic diagram with blade.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, rotating cage rotating speed of shower nozzle measurement apparatus of the present utility model include blast velocity control platform 1, with
The connected blower fan 2 controlled by blast velocity control platform 1 of blast velocity control platform 1, high-speed wind tunnel 4, the support for supporting blower fan 2 and high-speed wind tunnel 4
Frame 3, supporting table 5, fixed mount base 6, left support bar 7, connector 8, connecting tube 9, right support bar 11, rotating cage shower nozzle 12 and rotating speed
Meter 13.
Blast velocity control platform 1 can adjust electric machine frequency control air-flow size.
Fixing device includes base 6, left support bar 7, connector 8, connecting tube 9 and right support bar 11.Bottom is threaded
Cylinder left support bar 7 be tightened on the base 6 for being threaded hole；Connector 8 divides or so two halves, left-half to pass through
Knob tightens fixation with left support bar 7, and left and right two halves are fixedly connected with pipe 9 by the connection of screw.Prominent circle among connecting tube 9
Tube portion carries internal thread, as shown in Fig. 2 being connected with the hollow shaft outer end external screw thread of rotating cage shower nozzle 12 with blade, so as to ensure
The axial restraint of rotating cage shower nozzle 12.Right support bar 11 is cylinder, and bottom is threaded to be tightened with base 6, top welding
One cuboid block, to block the hollow shaft front end neck of rotating cage shower nozzle 12, it ensure that the radially fixed of rotating cage shower nozzle 12, fixed dress
Put ensure that rotating cage shower nozzle 12 when rotating cage rotates hollow shaft stablize it is motionless.The air-flow that blade 12 is blown out through high-speed wind tunnel 4 is made
With rotation, and then drive rotating cage shower nozzle 12 to rotate and form certain rotating speed, while the installation-angle adjustable of blade 14, so as to measure
The different rotating speed of rotating cage shower nozzle.Tachometer 13 is remembered by the sensing chip being attached on the cylinder mould 12-20 with the rotating cage shower nozzle 12 of blade 14
Record the corresponding rotating speed with blade rotating cage shower nozzle 12 under different wind speed.
As shown in Fig. 2 the rotating cage shower nozzle 12 in the present embodiment is by bearing (ball) cover 12-1, hollow shaft 12-2, sleeve 12-3, depth
Ditch ball bearing 12-4, screw 12-5, neck bush 12-6, external bushing 12-7, anemostat 12-8, tight seal 12-9, rubber ring 12-
10th, pump nozzle 12-11, upper shell 12-12, lower house 12-13, blade 12-14, spring 12-15, valve base 12-16, rubber case
12-17, distributor 12-18, base 12-19 and cylinder mould 12-20 compositions.
Described rotating cage shower nozzle 12 mainly includes transmission mechanism, chemical spraying mechanism, centrifugal mechanism and bindiny mechanism.
Transmission mechanism mainly includes deep groove ball bearing 12-4, neck bush 12-6 and external bushing 12-7.Deep groove ball bearing 12-4
Radial load is primarily subjected to during rotation, anemostat 12-8 extensions are as bearing block；Neck bush 12-6, external bushing 12-7, deep-groove ball
There is sleeve 9-3 to position bearing internal external circle between bearing 12-4.Sleeve 12-3 length extends according to anemostat 12-8
Segment length designs；Pump nozzle 12-11 is provided with other external bushing 12-7, to lubricate bearing.Right-hand member bearing bearing (ball) cover 12-1
Hold out against and positioned, left end bearing outer ring and bearing block left side are positioned with a tight seal 12-9, tight seal 12-9 external diameters and
Anemostat 12-8 inwalls are from interference fit.
Chemical spraying mechanism is mainly made up of hollow shaft 12-2, spring 12-15, valve base 12-16, rubber case 12-17.Hollow shaft
12-2 insertion anemostats 12-8 one end is supported by the deep groove ball bearing 12-4 in transmission mechanism, can relative diffusion pipe 12-8 progress
Rotate.Hollow shaft 12-2 is grug transportation tube, and shower nozzle medicine outlet, is anti-leak-stopping medicine under insufficient pressure or inoperation condition, spray
Mouth will have check valve, and directly a shaft end check valve is designed using axle and spring in rotating cage narrow space.Hollow shaft 12-2
A shaft shoulder is produced at spray end, spring 12-15 is put on the shaft shoulder, valve base 12-16 makes the hook portion of claw type, directly catches on spring
12-15, form a check valve.Due to spring 12-15 elastic force, valve base 12-16, which is supportted, gets lodged in hollow shaft 12-2 spouts
Place, when hollow shaft 12-2 spouts are under certain medicine action of hydraulic force, promotion valve base 12-16 is moved, and presses spring 12-15
Contracting, can open hollow shaft 12-2 spouts, spray the decoction in hollow shaft 12-2 spouts.The decoction pressure according to needed for spraying
To determine compression spring parameter, ratio, wire diameter, working deformation amount, service load etc. are curled up.Hollow shaft 12-2 ends are cased with rubber
Leather sheath 12-17, for the buffering between shower nozzle end face and valve base 12-16 during bounce-back.Hollow shaft 12-2 orifice designs are into loudspeaker
Shape, be advantageous to decoction and spread to surrounding.Hollow shaft 12-2 and matching somebody with somebody for deep groove ball bearing 12-4 inner rings share gap cooperation.Hollow shaft
12-2 has external screw thread positioned at outside another free end, and in tachometric survey, hollow shaft 12-2 external screw thread is with carrying interior spiral shell
The connecting tube 9 of line is threadedly coupled, and is supported by right support bar 11.
Centrifugal mechanism is mainly made up of distributor 12-18, anemostat 12-8 and cylinder mould 12-20.Anemostat 12-8 one end
Inside is used to install transmission mechanism, multiple equally distributed holes is provided with other end outer wall, the end of the other end is a diameter
More than the base 12-19 of anemostat 12-8 in itself, base 12-19 can be carried out with being welded on the mounting disc of cylinder mould 12-20 one end
Connection；Cylinder mould 12-20 is enclosed on the outside of anemostat 12-8 outer walls with holes.Cylinder mould 12-20 materials are wire netting, iron wire net surface
There is hardness processing, ensure that long-term use of and indeformable, the mounting disc at wire netting and both ends, which is welded, to form hollow cylinder mould, and leads to
The mounting disc for crossing one end is fixedly connected on anemostat 12-8.Distributor 12-18 is distributed to be arranged on anemostat 12-8 inwalls
Device 12-18 is welded with lightweight iron paster.Distributor 12-18 effect is to be allocated to the decoction that hollow shaft 12-2 spouts spray
Surrounding, decoction is set preferably outwards to spray.The aperture of distributor is slightly larger than valve base 12-16 diameters, it is ensured that when check valve is opened
Valve base 12-16 axial movement is not hindered.Aperture is larger on anemostat 12-8, and pore size distribution is uniform, and decoction is once expanded
Dissipate, decoction is thrown to carries out secondary diffusion on the cylinder mould 12-20 of rotation at a high speed.The quantity in hole and size, cylinder mould on anemostat 12-8
12-20 diameter and number affects the degree of scatter and particle size of spraying droplet.
Bindiny mechanism mainly includes upper shell 12-12, lower house 12-13 and part bolt.Upper and lower casing is enclosed on anemostat
12-8 outside, both sides respectively carry 3 semi-circular holes.When blade 12-14 is installed, upper shell 12-12 three bolts are turned on, on
Lower house separates, as shown in figure 3, blade 12-14 bottom round part is sticked into lower house 12-13 semi-circular hole, passes through
Bolt closes upper shell 12-12 and lower house 12-13 tightly, and blade 12-14 is fixed, and can be with rotational angle.Lower house 12-13 bottoms
Portion is collar plate shape, with cylinder mould 12-20 bolt connections.
Rotating speed measurement method specifically comprises the following steps：
The first step, supporting table 5 is put to the device air outlet position of high-speed wind tunnel 4, be bolted fixed mount bottom
Seat 6 is fixed in supporting table 5, and by left support bar 7, connector 8 that connecting tube 9 is horizontal fixed；
Second step, the front end external screw thread of 12 hollow shaft of rotating cage shower nozzle 10 with blade is connected with the internal thread of connecting tube 9, right branch
The square at the top of strut 11 blocks the front end neck of 12 hollow shaft of rotating cage shower nozzle 10, is allowed to keep fixing in level；Turn on upper shell
Blade 12-14 is installed and is tightened fixation by 12-12 bolt；Adjusting the position of connector 8 and left support bar 7 will turn with blade
Cage shower nozzle 12 is arranged at center at the air outlet of high-speed wind tunnel 4；
3rd step, Speed sensing piece is pasted on the rotating cage of the rotating cage shower nozzle 12 with blade；
4th step, blast velocity control platform 1 is opened so as to drive the work of blower fan 2 to produce air-flow, persistently start shooting two minutes and treat air-flow
Reach stable state, steady air flow driving blade 12-14 is rotated and then driven the rotating cage uniform rotation of rotating cage shower nozzle 12；
5th step, the rotating speed for recording using tachometer 13 the now rotating cage of rotating cage shower nozzle 12；
6th step, change variable, change the electric machine frequency of blast velocity control platform 1 i.e. change wind speed size, change blade 14 is installed
Angle（30°~75°）, often change the rotating speed that primary parameter variable records a rotating cage of rotating cage shower nozzle 12；
7th step, after completing test, statistical disposition is carried out to the rotating cage rotary speed data of rotating cage shower nozzle 12.
After completing test, the data under the conditions of a variety of variable parameters are counted, comparative analysis, select rotating cage atomization dress
Optimal rotating speed is put to adapt to practical flight operation.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of rotating cage rotating speed of shower nozzle measurement apparatus, it is characterised in that be connected including blast velocity control platform, with blast velocity control platform by wind
Blower fan, wind-tunnel, fixing device, rotating cage shower nozzle, the blade and rotating speed being set on rotating cage shower nozzle of tubular of fast console control
Meter；
Fixing device includes base, left support bar, connecting tube and right support bar；Left support bar one end normal thread is fastened on
On base, the other end one connecting tube of mobilizable connection；Have one in connecting tube with female prominent cylindrical parts, be used for
It is connected with the hollow shaft outer end external screw thread on rotating cage shower nozzle；Right support bar one end normal thread is fastened on base, another
End makes rotating cage shower nozzle radially fixed to block the hollow shaft front end neck of rotating cage shower nozzle；
One end of wind-tunnel is towards the blower fan of wind-tunnel air-supply, and the other end is the rotating cage shower nozzle with blade fixed by fixing device；
Tachometer records corresponding rotating speed of the rotating cage shower nozzle under different wind speed by the sensing chip being attached on the cylinder mould of rotating cage shower nozzle.
A kind of 2. rotating cage rotating speed of shower nozzle measurement apparatus according to claim 1, it is characterised in that the established angle of the blade
Degree is adjustable.
3. a kind of rotating cage rotating speed of shower nozzle measurement apparatus according to claim 1, it is characterised in that the wind-tunnel is towards blower fan
One end port be more than towards the other end port for being fixed on blade on rotating cage shower nozzle.
4. a kind of rotating cage rotating speed of shower nozzle measurement apparatus according to claim 1, it is characterised in that the rotating cage shower nozzle includes
Hollow shaft, anemostat, cylinder mould and upper and lower casing；
It is used for the transmission mechanism for installing support hollow shaft rotation inside anemostat one end, outside is arranged upper and lower casing；Anemostat is another
Equally distributed hole is set on the outer wall of one end, and cylinder mould is arranged the outside for the meshed portion for being covered in anemostat；
Hollow shaft one end is communicated in anemostat and extended into inside the anemostat of outer wall meshed portion；The other end is with spiral shell
The free end of line, for being connected with connecting tube；
Anemostat, upper and lower casing can rotate together with cylinder mould relative to hollow shaft；
Upper and lower casing is placed on the outside of anemostat, for clamping the blade of installation angle rotatable；Lower house bottom is disk
Type, fixed with cylinder mould bolt connection.
5. a kind of rotating cage rotating speed of shower nozzle measurement apparatus according to claim 4, it is characterised in that rotating cage shower nozzle also includes：
Hollow shaft one end spout is blocked by the valve base being placed on spout, is provided with when can stop valve base slip and is taken off on the spout outer wall
From the shaft shoulder, the shaft shoulder and valve base grasping set the spring of compression between hook portion on the shaft shoulder.
A kind of 6. rotating cage rotating speed of shower nozzle measurement apparatus according to claim 5, it is characterised in that the meshed portion of anemostat
Inside, the outside of hollow shaft spout a distributor is set.
7. a kind of rotating cage rotating speed of shower nozzle measurement apparatus according to claim 6, it is characterised in that the internal diameter of distributor is more than
It is set in the diameter of the valve base of nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200282.5U CN207197775U (en) | 2017-09-19 | 2017-09-19 | A kind of rotating cage rotating speed of shower nozzle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200282.5U CN207197775U (en) | 2017-09-19 | 2017-09-19 | A kind of rotating cage rotating speed of shower nozzle measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197775U true CN207197775U (en) | 2018-04-06 |
Family
ID=61789881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721200282.5U Expired - Fee Related CN207197775U (en) | 2017-09-19 | 2017-09-19 | A kind of rotating cage rotating speed of shower nozzle measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421711A (en) * | 2017-09-19 | 2017-12-01 | 南京林业大学 | A kind of rotating cage rotating speed of shower nozzle measurement apparatus and measuring method |
| CN117588436A (en) * | 2024-01-18 | 2024-02-23 | 山东博风风机有限公司 | A ventilation fan detection device for underground mine |
-
2017
- 2017-09-19 CN CN201721200282.5U patent/CN207197775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421711A (en) * | 2017-09-19 | 2017-12-01 | 南京林业大学 | A kind of rotating cage rotating speed of shower nozzle measurement apparatus and measuring method |
| CN117588436A (en) * | 2024-01-18 | 2024-02-23 | 山东博风风机有限公司 | A ventilation fan detection device for underground mine |
| CN117588436B (en) * | 2024-01-18 | 2024-04-05 | 山东博风风机有限公司 | A ventilation fan detection device for underground mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107290127B (en) | The visualization device and control method of a kind of rotor wing unmanned aerial vehicle spray field | |
| CN207197775U (en) | A kind of rotating cage rotating speed of shower nozzle measurement apparatus | |
| JP6812242B2 (en) | Cleaning equipment and related operating methods | |
| CN103604733B (en) | The method of dust atmosphere analogue means and demarcation dust concentration tester thereof | |
| CN207154102U (en) | A kind of screening plant using inert gas shielding | |
| CN107389513B (en) | Rotating cage spray head atomization effect testing device and testing method | |
| CN201732006U (en) | Testing platform for air curtain type spray lance spraying gas and liquid two-phase flow system | |
| CN109757459A (en) | A kind of plant protection unmanned aerial vehicle mist droplet particle size and discharge rate regulation device and method | |
| CN106670038B (en) | Water whirl spraying japanning room | |
| CN105015782B (en) | Aviation shower nozzle | |
| CN102416248A (en) | Table tennis training device | |
| CN106346371A (en) | Multi-functional full-auto dies sand blasting device | |
| CN107421711A (en) | A kind of rotating cage rotating speed of shower nozzle measurement apparatus and measuring method | |
| Ye et al. | Design and test of negative pressure chamber rotary buckwheat seed metering device. | |
| CN206231641U (en) | Test platform in a kind of plant protection unmanned plane spray booth | |
| CN105690278B (en) | A kind of spray gun structure of automatic sand-blasting machine | |
| CN201947630U (en) | Spray type seed sowing mechanism | |
| CN209660252U (en) | A kind of plant protection unmanned aerial vehicle mist droplet particle size and discharge rate regulation device | |
| CN209334000U (en) | A kind of pneumatic rotation cup structure | |
| CN108225719B (en) | Agricultural material suspension speed testing device | |
| JP5967157B2 (en) | Diffusion snow squirting apparatus and method | |
| CN207248690U (en) | A kind of rotating cage nozzle atomizing effect test device | |
| CN101551320B (en) | Spraying device for salt spray test box | |
| CN207126693U (en) | A kind of special Crossed Circle shower nozzle of fog gun | |
| CN206132569U (en) | Dusty environment analog device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NANTONG GUANGYI MACHINERY AND ELECTRONIC Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000357 Denomination of utility model: Device and method for measuring rotating speed of rotating-cage nozzle Granted publication date: 20180406 License type: Common License Record date: 20181128 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nantong Bolin Mechanical and Electrical Technology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000260 Denomination of utility model: Device and method for measuring rotating speed of rotating-cage nozzle Granted publication date: 20180406 License type: Common License Record date: 20191118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20210919 |