CN110292889A - A kind of high-pressure cleaning device of vertical shaft planetary mixing machine - Google Patents
A kind of high-pressure cleaning device of vertical shaft planetary mixing machine Download PDFInfo
- Publication number
- CN110292889A CN110292889A CN201910495301.9A CN201910495301A CN110292889A CN 110292889 A CN110292889 A CN 110292889A CN 201910495301 A CN201910495301 A CN 201910495301A CN 110292889 A CN110292889 A CN 110292889A
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- CN
- China
- Prior art keywords
- revolution
- tube
- vertical tube
- vertical
- inlet pipe
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
- B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
Abstract
The application provides a kind of high-pressure cleaning device of vertical shaft planetary mixing machine, including device for revolving and driving, water inlet pipe, rotary sealing component, slewing equipment, revolution vertical tube, bracket, fixing lower, revolution transverse tube, high-pressure nozzle；Device for revolving and driving is connected with slewing equipment, and slewing equipment is connected with revolution vertical tube, and the upper end for turning round vertical tube is equipped with water inlet pipe, and the lower end for turning round vertical tube is inserted into mixing drum；The bottom of revolution vertical tube is arranged in revolution transverse tube, and perpendicular with revolution vertical tube；It turns round transverse tube and is equipped with high-pressure wash nozzle component, it turns round transverse tube both ends and is equipped with high-pressure wash nozzle component, device for revolving and driving driving revolution vertical tube and revolution transverse tube rotate in mixing drum, high pressure water flow is sprayed by high-pressure nozzle to remove cleaning mixing drum side wall, remaining concrete and mortar on bottom surface and agitating device, the high-pressure cleaning device of the vertical shaft planetary mixing machine has cleaning without dead angle, thorough clean, the especially economical and practical beneficial effect of cleaning.
Description
Technical field
The present invention relates to vertical shaft planetary mixing machine cleaning technique fields, and in particular to a kind of high pressure of vertical shaft planetary mixing machine
Cleaning device.
Background technique
Vertical shaft planetary mixing machine is common mixing plant, when the long period shuts down after work, need to mixing drum inner wall and
Agitating device carries out cleaning cleaning.Because residual concrete mortar will adhere to barrel and stirring dress such as cleaning cleaning not in time
It sets, is difficult to clear up down for a long time.
Now domestic mostly is manually spraying-rinsing, is manually entered in cylinder and is cleared up.Artificial spraying-rinsing is generally washed
It is unclean, it is manually entered blender cleaning, it is severe to mix working environment in cylinder, clears up very laborious, and risk is also larger, and waste is very
It is big artificial.
It is cleared up currently, also having in the prior art using a kind of high-pressure wash nozzle component, the outlet pipe of cleaning sprayer
Driving device is not connected, can not voluntarily be rotated, in cleaning process, man-hour manually hand-held outlet pipe is needed to carry out medial wall of the tube
Cleaning, cleaning efficiency is low, the corner location of medial wall of the tube often less cleaning.
Summary of the invention
Above-mentioned existing in the prior art in order to overcome, the present invention provides a kind of high-pressure wash dress of vertical shaft planetary mixing machine
It sets, cleaning can be reached without dead angle, clear up thoroughly clean economical and practical beneficial effect.
For this purpose, the present invention provides a kind of high-pressure cleaning device of vertical shaft planetary mixing machine, including revolution driving dress
It sets, water inlet pipe, rotary sealing component, slewing equipment, turn round vertical tube, bracket, fixing lower and revolution transverse tube；Revolution driving
Device is connected with slewing equipment, and slewing equipment is connected with revolution vertical tube, and the upper end for turning round vertical tube is equipped with water inlet pipe, the bottom of water inlet pipe
End is inserted into the connector of revolution riser upper portions, and revolution vertical tube is rotated relative to water inlet pipe；The upper end of water inlet pipe and bracket is fixed to be connected
It connects, the lower end of bracket is connected with blender upper cover；It turns round vertical tube and passes through blender upper cover, the lower end for turning round vertical tube is inserted into stirring
In cylinder；The bottom of revolution vertical tube is arranged in revolution transverse tube, and perpendicular with revolution vertical tube；Transverse tube is turned round to spray equipped with high-pressure wash
Head assembly, device for revolving and driving driving revolution vertical tube and revolution transverse tube rotate in mixing drum.
Further, the high-pressure wash nozzle component includes horizontal spray head, vertical spray head and inclination spray head, horizontal spray head
Water spraying direction it is parallel with the revolution length extending direction of transverse tube, the length of the water spraying direction of vertical spray head and revolution transverse tube extends
Direction is vertical, and the length extending direction for tilting the water spraying direction and revolution transverse tube of spray head is arranged at angle.
Further, the revolution transverse tube includes the first revolution transverse tube and the second revolution transverse tube, the first revolution transverse tube and the
Two-revolution transverse tube is separately positioned on the two sides of revolution vertical tube.
Further, the device for revolving and driving uses motor, and slewing equipment uses speed reducer, and revolution vertical tube is higher by stirring
One end of machine upper cover is extend into the delivery outlet of speed reducer, and revolution vertical tube is connected by flat key with speed reducer.
Further, that fixes on the lateral wall of the water inlet pipe is equipped with mounting flange, and mounting flange is equipped with the first peace
Hole is filled, the upper end of bracket is equipped with the first positioning hole being adapted with the first mounting hole, further includes the first clamping screw, the first locking
Bolt is inserted into the first mounting hole and first positioning hole, and water inlet pipe is fixedly connected with the upper end of bracket.
Further, the bottom of the slewing equipment is equipped with lower margin, and lower margin is equipped with the second mounting hole, Gai Shangshe on blender
There is the second location hole being adapted with the second mounting hole, further includes the second clamping screw, the second clamping screw is inserted into the second peace
Slewing equipment is fixed on blender on lid in dress hole and second location hole.
Further, between revolution vertical tube and water inlet pipe, rotary sealing component includes for the rotary sealing component setting
Inner seal ring, exterior seal ring and packing, inner seal ring are arranged between the lower end and water inlet pipe of revolution vertical pipe joint, exterior seal ring
It is arranged between the upper end and water inlet pipe of revolution vertical pipe joint, packing is arranged between inner seal ring and exterior seal ring.
Further, the lower part of the revolution vertical tube is equipped with fixing lower, and fixing lower includes connecting flange
And supported flange；Connecting flange is fixedly connected by clamping screw with blender upper cover, and supported flange passes through third clamping screw
It is fixedly connected with connecting flange, revolution vertical tube is each passed through the through-hole among connecting flange and supported flange.
Further, sealing ring is set between revolution vertical tube and the supported flange.
The beneficial effects of the present invention are:
The high-pressure cleaning device of vertical shaft planetary mixing machine provided by the invention, including slewing equipment, revolution vertical tube and revolution
Transverse tube, the setting of revolution vertical tube are turned round vertical tube and are driven by slewing equipment and revolved in mixing drum at vertical mixer upper cover center
Turn, revolution transverse tube is fixed at the bottom of revolution vertical tube, and revolution transverse tube is equipped with high-pressure wash nozzle component, and the high pressure is clear
Washing nozzle component includes that horizontal spray head, vertical spray head and inclination spray head, the high pressure water flow that high-pressure wash nozzle component sprays cover
Lid mixing drum side wall and each face of bottom plate are cleaned out after turning round multi-turn cylinder is mixed, the high-pressure wash dress of the vertical shaft planetary mixing machine
Cleaning can be reached by, which setting, has cleaning thoroughly clean economical and practical beneficial effect without manually being cleared up into cylinder without dead angle.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of planetary vertical-shaft blender high-pressure cleaning device of the present invention
Fig. 2 is the enlarged structure schematic diagram of Z in Fig. 1.
Fig. 3 is the enlarged structure schematic diagram of Y in Fig. 1.
In figure, 1, device for revolving and driving, 2, water inlet pipe, 3, rotary sealing component, 4, slewing equipment, 5, revolution vertical tube, 6,
Bracket, 7, fixing lower 8, revolution transverse tube, 9, high-pressure wash nozzle component, 10, exterior seal ring, 11, packing, 12, interior close
Seal, 13, sealing ring, 14, connecting flange, 15, supported flange.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
The Key Term occurred in the present invention is explained below.
The high-pressure cleaning device of vertical shaft planetary mixing machine provided by the invention include device for revolving and driving 1, slewing equipment 4,
Turn round vertical tube 5, bracket 6 and revolution transverse tube 8.
Fig. 1 is the schematic cross-sectional view of planetary vertical-shaft blender high-pressure cleaning device of the present invention, as shown in Figure 1, returning
Rotary driving device 1 is connected with slewing equipment 4.In the present embodiment, the device for revolving and driving 1 uses motor, and slewing equipment 4 uses
Speed reducer, motor and speed reducer are connected to form total driving device.
Slewing equipment 4 is connected with revolution vertical tube 5, and one end that revolution vertical tube 5 is higher by blender upper cover extend into speed reducer
In delivery outlet, revolution vertical tube 5 is connected by flat key with speed reducer.
The upper end for turning round vertical tube 5 is equipped with water inlet pipe 2, and the bottom end of water inlet pipe 2 is inserted into revolution 5 connector of vertical tube, water inlet pipe 2
It is connected to revolution vertical tube 5, ejected wash water is entered in revolution vertical tube 5 by water inlet pipe 2, returned after the inflow of the upper port of water inlet pipe 2
Turn vertical tube 5 to rotate relative to water inlet pipe 2.
Water inlet pipe 2 is fixedly connected with the upper end of bracket 6, and the lower end of bracket 6 is connected by bolt with blender upper cover, bracket
6 for being fixed on blender for water inlet pipe 2.
The center of blender upper cover is equipped with through-hole, and revolution vertical tube 5 passes through the through-hole on blender on lid, revolution vertical tube 5
Lower end is inserted into mixing drum, and the bottom of revolution vertical tube 5 is arranged in revolution transverse tube 8, is turned round between transverse tube 8 and revolution vertical tube 5 and is led to
Crossover sub is crossed to be attached.
In the present embodiment, the revolution transverse tube 8 include first revolution transverse tube and second revolution transverse tube, first revolution transverse tube and
Second revolution transverse tube is separately positioned on the two sides of revolution vertical tube 5.
It turns round vertical tube 5 and revolution transverse tube 8 is perpendicular, revolution transverse tube 8 is equipped with high-pressure wash nozzle component 9.The high pressure
Cleaning sprayer component 9 includes horizontal spray head, vertical spray head and inclination spray head, water spraying direction and the revolution transverse tube 8 of horizontal spray head
Length extending direction is parallel, and the water spraying direction of vertical spray head is vertical with the revolution length extending direction of transverse tube 8, tilts the spray of spray head
Water direction and the length extending direction of revolution transverse tube 8 are arranged at angle.
In order to improve cleaning efficiency, in the present embodiment, the folder of the inclination spray head and the length extending direction for turning round transverse tube 8
Angle is 45 degree.
In practical work process, the driving of device for revolving and driving 1 revolution vertical tube 5 and revolution transverse tube 8 rotate in mixing drum, by
It rotates, the leakage of water in order to prevent, turns round close equipped with turning round between vertical tube 5 and water inlet pipe 2 relative to water inlet pipe 2 in revolution vertical tube 5
Sealing assembly 3.
Fig. 2 is the enlarged structure schematic diagram of Z in Fig. 1.As shown in Fig. 2, rotary sealing component include inner seal ring 12, it is outer close
Seal 10 and packing 11, inner seal ring 12 are arranged between the lower end and water inlet pipe 2 of revolution 5 connector of vertical tube, and exterior seal ring 10 is set
It sets between the upper end and water inlet pipe 2 of revolution 5 connector of vertical tube, packing 11 is arranged between inner seal ring 12 and exterior seal ring 10.
In order to which further water inlet pipe 2 is fixed, that fixes on the lateral wall of above-mentioned water inlet pipe 2 is equipped with connecting flange
14, in the present embodiment, connecting flange 14 is welded on the lateral wall of water inlet pipe 2.Connecting flange 14 is equipped with the first mounting hole, branch
The upper end of frame 6 is equipped with the first positioning hole being adapted with the first mounting hole, further includes the first clamping screw, and the first clamping screw is inserted
Enter into the first mounting hole and first positioning hole, water inlet pipe 2 is fixedly connected with the upper end of bracket 6.
For the ease of slewing equipment 4 to be fixed, the bottom of the slewing equipment 4 is equipped with lower margin, and lower margin is equipped with second
Mounting hole, lid is equipped with the second location hole being adapted with the second mounting hole on blender, further includes the second clamping screw, and second
Clamping screw, which is inserted into the second mounting hole and second location hole, is fixed on slewing equipment 4 on blender on lid.
In practical work process, since the length of revolution vertical tube 5 is longer, revolution vertical tube 5 can generate diameter during rotation
It to shaking, is shaken to reduce the radial of revolution vertical tube 5, the lower part of the revolution vertical tube 5 is equipped with fixing lower 7.
Fig. 3 is the enlarged structure schematic diagram of Y in Fig. 1, as shown in figure 3, fixing lower 7 includes connecting flange 14 and pressure
Tight flange 15, connecting flange 14 are fixedly connected by bolt with blender upper cover, supported flange 15 pass through third clamping screw and
Connecting flange 14 is fixedly connected, and revolution vertical tube 5 passes through the hole of two flanges.It is set between the revolution vertical tube 5 and supported flange 15
Sealing ring 13, sealing ring 13 can be used in radial the shaking of limitation revolution vertical tube 5.
A specific embodiment of the invention are as follows:
Start device for revolving and driving 1 first and slewing equipment 4, slewing equipment 4 be arranged at vertical mixer upper cover center,
Device for revolving and driving 1 and the driving revolution vertical tube 5 of slewing equipment 4 rotate, and the upper end of revolution vertical tube 5 is equipped with water inlet pipe 2, water inlet pipe 2
Upper end be equipped with water inlet, water for cleaning enters from the inlet in water inlet pipe 2, and water inlet pipe 2 is connected to revolution vertical tube 5, cleaning
Water is entered in revolution vertical tube 5 by water inlet pipe 2, and since revolution transverse tube 8 is connected with revolution vertical tube 5, clean water is perpendicular by revolution
Pipe 5 enters in revolution transverse tube 8, and revolution transverse tube 8 is equipped with high-pressure wash nozzle component 9, and the high-pressure wash nozzle component 9 wraps
Horizontal spray head, vertical spray head and inclination spray head are included, the end of revolution transverse tube 8 fills 3-4 spray head, and a spray head is horizontally disposed, and one
45 ° of spray head level arrangements, another spray head are arranged vertically.Device for revolving and driving 1 and the driving of slewing equipment 4 are turned round vertical tube 5 and are returned
Turn transverse tube 8 to rotate in mixing drum, the high pressure water flow covering mixing drum side wall and each face of bottom plate that high-pressure nozzle sprays turn round multi-turn
Mixing drum is cleaned out afterwards, the high-pressure cleaning device of the vertical shaft planetary mixing machine can reach cleaning without dead angle, without artificial
It is cleared up into cylinder, there is thorough clean, the economical and practical beneficial effect of cleaning.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (9)
1. a kind of high-pressure cleaning device of vertical shaft planetary mixing machine, it is characterised in that including device for revolving and driving (1), water inlet pipe
(2), rotary sealing component (3), slewing equipment (4), revolution vertical tube (5), bracket (6), fixing lower (7), revolution transverse tube
(8), high-pressure nozzle (9)；Device for revolving and driving (1) is connected with slewing equipment (4), slewing equipment (4) and revolution vertical tube (5) phase
Even, the upper end of revolution vertical tube (5) is equipped with water inlet pipe (2), and the bottom end of water inlet pipe (2) is inserted into the connector on revolution vertical tube (5) top
In, revolution vertical tube (5) is rotated relative to water inlet pipe (2)；Water inlet pipe (2) is fixedly connected with the upper end of bracket (6), under bracket (6)
End is connected with blender upper cover；It turns round vertical tube (5) and passes through blender upper cover, the lower end of revolution vertical tube (5) is inserted into mixing drum；
Transverse tube (8) setting is turned round in the bottom of revolution vertical tube (5), and perpendicular with revolution vertical tube (5)；It turns round transverse tube (8) and is equipped with height
It presses cleaning sprayer component (9), device for revolving and driving (1) driving revolution vertical tube (5) and revolution transverse tube (8) rotate in mixing drum.
2. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the high-pressure wash
Nozzle component (9) includes horizontal spray head, vertical spray head and inclination spray head, water spraying direction and revolution transverse tube (8) of horizontal spray head
Length extending direction is parallel, and the water spraying direction of vertical spray head is vertical with the revolution length extending direction of transverse tube (8), tilts spray head
Water spraying direction and the length extending direction of revolution transverse tube (8) are arranged at angle.
3. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the revolution transverse tube
It (8) include the first revolution transverse tube and the second revolution transverse tube, it is perpendicular that the first revolution transverse tube and the second revolution transverse tube are separately positioned on revolution
Manage the two sides of (5).
4. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the revolution driving
Device (1) uses motor, and slewing equipment (4) uses speed reducer, and one end that revolution vertical tube (5) is higher by blender upper cover, which is extend into, to be subtracted
In the delivery outlet of fast machine, revolution vertical tube (5) is connected by flat key with speed reducer.
5. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the water inlet pipe
(2) fixed on lateral wall to be equipped with mounting flange, mounting flange is equipped with the first mounting hole, the upper end of bracket (6) be equipped with
The adaptable first positioning hole of first mounting hole, further includes the first clamping screw, the first clamping screw is inserted into the first mounting hole
And in first positioning hole, water inlet pipe (2) is fixedly connected with the upper end of bracket (6).
6. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the slewing equipment
(4) bottom is equipped with lower margin, and lower margin is equipped with the second mounting hole, and lid is equipped with second be adapted with the second mounting hole on blender
Location hole further includes the second clamping screw, and the second clamping screw, which is inserted into the second mounting hole and second location hole, fills revolution
(4) are set to be fixed on blender on lid.
7. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the rotary sealing
Between revolution vertical tube (5) and water inlet pipe (2), rotary sealing component (3) includes inner seal ring (12), outer close for component (3) setting
Seal (10) and packing (11), inner seal ring (12) setting is between the lower end and water inlet pipe (2) of revolution vertical tube (5) connector, outside
Between the upper end and water inlet pipe (2) of revolution vertical tube (5) connector, packing (11) is arranged in inner seal ring for sealing ring (10) setting
(12) between exterior seal ring (10).
8. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 1, it is characterised in that: the revolution vertical tube
(5) lower part is equipped with fixing lower (7), and fixing lower (7) includes connecting flange (14) and supported flange (15)；Even
Acting flange (14) is fixedly connected by clamping screw with blender upper cover, supported flange (15) by third clamping screw with connect
Flange (14) is fixedly connected, and revolution vertical tube (5) is each passed through the through-hole among connecting flange (14) and supported flange (15).
9. the high-pressure cleaning device of vertical shaft planetary mixing machine according to claim 8, it is characterised in that: the revolution vertical tube
(5) it is set between supported flange (15) sealing ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495301.9A CN110292889A (en) | 2019-06-10 | 2019-06-10 | A kind of high-pressure cleaning device of vertical shaft planetary mixing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495301.9A CN110292889A (en) | 2019-06-10 | 2019-06-10 | A kind of high-pressure cleaning device of vertical shaft planetary mixing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110292889A true CN110292889A (en) | 2019-10-01 |
Family
ID=68027688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910495301.9A Withdrawn CN110292889A (en) | 2019-06-10 | 2019-06-10 | A kind of high-pressure cleaning device of vertical shaft planetary mixing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110292889A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572792A (en) * | 2020-05-20 | 2020-08-25 | 广东电网有限责任公司 | Unmanned aerial vehicle carries flame projecting device and clearance unmanned aerial vehicle with adjustable injection direction |
-
2019
- 2019-06-10 CN CN201910495301.9A patent/CN110292889A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572792A (en) * | 2020-05-20 | 2020-08-25 | 广东电网有限责任公司 | Unmanned aerial vehicle carries flame projecting device and clearance unmanned aerial vehicle with adjustable injection direction |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191001 |