CN216371733U - Internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment - Google Patents
Internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment Download PDFInfo
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- CN216371733U CN216371733U CN202123106640.5U CN202123106640U CN216371733U CN 216371733 U CN216371733 U CN 216371733U CN 202123106640 U CN202123106640 U CN 202123106640U CN 216371733 U CN216371733 U CN 216371733U
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Abstract
The utility model relates to the technical field of airplane surface paint removal equipment, in particular to an internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment, which comprises a primary diversion mechanism, a secondary diversion mechanism and a spray gun main body, wherein the primary diversion mechanism is connected with the spray gun main body; one end of the first-stage flow guide mechanism is connected with the sand blasting hose, the other end of the first-stage flow guide mechanism is connected with one end of the second-stage flow guide mechanism, and the other end of the second-stage flow guide mechanism is connected with the spray gun main body. By adopting the arrangement, the abrasive flow can be integrated through the primary flow guide, and the defects that the abrasive flow flows randomly along with the bending of the pipeline midway and is sprayed to one side or two sides of the spray gun are overcome; can assemble abrasive material and air current through the second grade water conservancy diversion and rectify, then reach the mixing chamber and the gas-solid two-phase flow, behind the built-in horn mouth compressed air current of rethread, along with flat passageway to muzzle, the abrasive material flow is fan-shaped distribution and evenly spouts at last to when increasing the sandblast working area to a great extent, still improved the stability of spray gun operation by a wide margin, and then improved the sandblast precision of sandblast rifle effectively.
Description
Technical Field
The utility model relates to the technical field of airplane surface paint removing equipment, in particular to an internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment.
Background
When the airplane is maintained, the novel sand blasting process adopted by the surface treatment is to install a sand blasting gun and other executing devices at the front end of a robot arm by means of a robot, and carry out the surface treatment of the airplane according to a sand blasting path planned in advance by adjusting corresponding process parameters.
Traditional sand blasting gun all adopts the straight tube, the sand outlet is circular, middle cavity, during the sandblast operation, the gas-solid two-phase flow that abrasive medium and compressed air formed passes through rubber sand pipe from sand blasting gun blowout, certain length is reserved to the range when rubber sand pipe can move according to the robot, robot motion in-process sand pipe must produce the bending, the abrasive flow of high-speed motion this moment can collide with the pipe wall, consequently, the unstable phenomenon of sandblast can appear when reacing the sand blasting gun mouth, cause workpiece surface treatment inhomogeneous easily, spout and leak the phenomenon such as spouting, thereby can't accomplish accurate sandblast operation.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides an internal diversion type flat-nose sand-blasting gun suitable for the surface treatment of an airplane, which aims to solve the problems that the sand-blasting gun in the prior art is easy to cause the phenomena of uneven surface treatment, over-blasting, missing blasting and the like of a workpiece, and cannot perform accurate sand-blasting operation.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment, which comprises a primary diversion mechanism, a secondary diversion mechanism and a spray gun main body, wherein the primary diversion mechanism is connected with the secondary diversion mechanism; one end of the first-stage flow guide mechanism is connected with the sand blasting hose, the other end of the first-stage flow guide mechanism is connected with one end of the second-stage flow guide mechanism, the second-stage flow guide mechanism is communicated with the first-stage flow guide mechanism, the other end of the second-stage flow guide mechanism is connected with the spray gun main body, and the spray gun main body is communicated with the second-stage flow guide mechanism; the outlet end of the spray gun main body is of a flat structure.
Further, the first-stage flow guide mechanism comprises a first-stage flow guide main body and a plurality of first-stage flow guide sheets; the primary diversion main body is of a tubular structure, one end of the primary diversion main body is connected with the sand blasting hose, and the other end of the primary diversion main body is connected with the secondary diversion mechanism; all the first-stage flow deflectors are arranged in the first-stage flow guide main body in a star-shaped uniformly distributed ring mode and are connected to the center of the first-stage flow guide mechanism, and a channel is formed between every two adjacent first-stage flow deflectors.
Further, the first-stage guide vane is made of boron carbide.
Further, the secondary flow guide mechanism comprises a secondary flow guide main body and a plurality of secondary flow guide sheets; the secondary flow guide main body is of a tubular structure, one end of the secondary flow guide main body is connected with the primary flow guide mechanism, and the other end of the secondary flow guide main body is connected with the spray gun main body; all the second-stage flow deflectors are uniformly distributed and annularly arranged in the second-stage flow guide main body, and all the second-stage flow deflectors are arranged at equal intervals.
Further, the secondary flow guide mechanism also comprises a mixing cavity; the mixing cavity is arranged at one end of the second-stage flow guide main body connected with the spray gun main body, and the mixing cavity is of a hollow round platform-shaped structure.
Further, built-in horn mouths are arranged at the connecting ends and arranged in the secondary flow guide mechanism.
Furthermore, the spray gun main body and the connecting end of the second-stage flow guide mechanism are of a circular tubular structure, the outlet end of the spray gun main body is of a flat structure, and the connecting end and the outlet end are in smooth transition connection.
Further, the outside of the spray gun main body is coated with a nylon protective layer.
Furthermore, a plurality of fixing screw holes are formed in the first-stage flow guide mechanism.
Furthermore, two ends of the second-stage flow guide mechanism are respectively connected with the first-stage flow guide mechanism and the spray gun main body through inner thread structures.
The technical scheme has the following advantages or beneficial effects:
the utility model provides an internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment, which comprises a primary diversion mechanism, a secondary diversion mechanism and a spray gun main body, wherein the primary diversion mechanism is connected with the secondary diversion mechanism; one end of the first-stage flow guide mechanism is connected with the sand blasting hose, the other end of the first-stage flow guide mechanism is connected with one end of the second-stage flow guide mechanism, the second-stage flow guide mechanism is communicated with the first-stage flow guide mechanism, the other end of the second-stage flow guide mechanism is connected with the spray gun main body, and the spray gun main body is communicated with the second-stage flow guide mechanism; the outlet end of the spray gun main body is of a flat structure. On one hand, the abrasive flow can be integrated after the primary flow guide by arranging the primary flow guide mechanism and the secondary flow guide mechanism, so that the defect that the abrasive flow randomly flows along with the bending of the pipeline midway and is sprayed to one side or two sides of the spray gun is overcome; after secondary diversion, abrasive and airflow can be gathered to correct the deviation, then the abrasive and the airflow reach a mixing cavity to neutralize gas-solid two-phase flow, the airflow is compressed through a built-in bell mouth and then is uniformly sprayed out along with a flat channel to a gun mouth, and finally, the abrasive flow is uniformly distributed in a fan shape, so that the stability of spray gun operation is greatly improved while the sand blasting operation area is greatly increased, the phenomena of missing spraying and over spraying are avoided, the sand blasting precision of a sand blasting gun is effectively improved, and a robot can perform one-time high-efficiency paint removal operation according to a planned path; on the other hand, the split combined design of the primary flow guide mechanism, the secondary flow guide mechanism and the spray gun main body enables the sand-blasting gun to be produced in a three-part modularized mode, so that the sand-blasting gun is easier to manufacture and convenient for subsequent operation, and any component can be replaced individually when damaged; in addition, the two sides of the outlet end of the spray gun main body which is in a flat structure slightly enlarge the angle outwards, so that the abrasive flow can be uniformly sprayed in a fan shape when being discharged, and the working area of the abrasive is further enlarged.
Drawings
The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.
Fig. 1 is a schematic perspective view of an internal flow guiding type flat-jet sand blasting gun suitable for aircraft surface treatment according to embodiment 1 of the present invention;
FIG. 2 is a top view of an internal flow guiding type flat-nose sand-blasting gun suitable for the surface treatment of an aircraft according to embodiment 1 of the present invention;
fig. 3 is a cross-sectional structural view of an internal flow guiding type flat-nose sand-blasting gun suitable for aircraft surface treatment according to embodiment 1 of the present invention;
fig. 4 is an exploded view of an internal flow guiding type flat-jet sand blasting gun suitable for the surface treatment of an airplane according to embodiment 1 of the present invention;
fig. 5 is a schematic perspective view of a secondary diversion mechanism in an internal diversion type flat-nose sand blasting gun suitable for aircraft surface treatment according to embodiment 1 of the present invention;
fig. 6 is a schematic perspective view of a primary diversion mechanism in an internal diversion type flat-jet sand blasting gun suitable for aircraft surface treatment according to embodiment 1 of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.
Example 1:
with the continuous development of aeronautical technology, aircraft surface skins have increasingly transitioned from metallic materials to composite materials, which are more sensitive and brittle in hardness than metals, thereby placing higher demands on aircraft surface treatment processes.
Traditional sand blasting gun all adopts the straight tube, the sand outlet is circular, middle cavity, during the sandblast operation, the gas-solid two-phase flow that abrasive medium and compressed air formed passes through rubber sand pipe from sand blasting gun blowout, certain length is reserved to the range when rubber sand pipe can move according to the robot, robot motion in-process sand pipe must produce the bending, at this moment, the abrasive flow of high-speed motion can collide with the pipe wall, consequently, the unstable phenomenon of sandblast can appear when reacing the sand blasting gun mouth, cause workpiece surface treatment inhomogeneous easily, spout and leak the phenomenon such as spout, thereby can't accomplish accurate sandblast operation.
The utility model aims to ensure the consistency of paint removal quality and the protection of composite materials of an airplane when the surface of the airplane is subjected to paint removal by adopting a sand blasting process, the sprayed abrasive can be kept in a uniformly distributed state within the range of a nozzle by designing and modifying a sand blasting gun, the in-pipe collision of gas-solid two-phase flow due to the bending of a rear-end rubber sand pipe is avoided, the formed disturbed flow and fluctuation state is continued to the outlet of the spray gun, and the uncontrollable situation of the distribution state of the abrasive along with the shape change of the sand pipe is avoided.
In order to solve the above technical problems, an internal flow guiding type flat-nose sand blasting gun suitable for aircraft surface treatment provided in embodiment 1 of the present invention is understood with reference to fig. 1 to 6, and includes a primary flow guiding mechanism 1, a secondary flow guiding mechanism 2, and a gun body 3; one end of the first-stage flow guide mechanism 1 is connected with the sand blasting hose 4, the other end of the first-stage flow guide mechanism is connected with one end of the second-stage flow guide mechanism 2, the second-stage flow guide mechanism 2 is communicated with the first-stage flow guide mechanism 1, the other end of the second-stage flow guide mechanism 2 is connected with the spray gun main body 3, and the spray gun main body 3 is communicated with the second-stage flow guide mechanism 2; the outlet end 31 of the lance body 3 is of flat construction. When a sand blasting process is used for removing a paint layer on the surface of an airplane, a sand blasting system mixes a certain amount of abrasive and compressed air and then conveys the mixture to an execution mechanism at the front end of a robot through a conveying hose, the execution mechanism is provided with the internal guide type flat-nose sand blasting gun, the abrasive flow and the airflow deviation rectifying action are respectively integrated through a primary guide mechanism 1 and a secondary guide mechanism 2, then the mixture reaches a mixing cavity 23 to neutralize the gas-solid two-phase flow, the mixture flows to a gun port along with a flat channel through the airflow compression action of a spray gun main body 3, and finally the abrasive flow is uniformly distributed in a fan shape and sprayed out to perform surface paint removal operation.
On one hand, the grinding material flow can be integrated after primary flow guiding by arranging the primary flow guiding mechanism 1 and the secondary flow guiding mechanism 2, so that the defect that the grinding material flow randomly flows along with the bending of the pipeline midway and is sprayed to one side or two sides of a spray gun is overcome; after secondary diversion, the grinding material and the air flow can be gathered to correct the deviation, then the grinding material and the air flow reach the mixing cavity 23 to neutralize the gas-solid two-phase flow, then the air flow is compressed through the built-in bell mouth 321, and finally the grinding material flow is uniformly sprayed out along with the flat channel to the gun mouth in a fan-shaped distribution mode, so that the stability of the spray gun operation is greatly improved while the sand spraying operation area is greatly increased, the phenomena of missing spraying and over spraying are avoided, the sand spraying precision of the sand spraying gun is effectively improved, and the robot can perform one-time high-efficiency paint removal operation according to a planned path; on the other hand, the split combined design of the primary flow guide mechanism 1, the secondary flow guide mechanism 2 and the spray gun main body 3 enables the sand-blasting gun to be produced in a three-part modularized mode, so that the sand-blasting gun is easy to manufacture and convenient for subsequent operation, and any component can be replaced individually when damaged; in addition, the outlet end 31 of the spray gun main body 3 is in a flat structure, and two sides of the outlet end 31 in the embodiment are slightly outwards enlarged in angle, so that the abrasive material flow can be uniformly sprayed in a fan shape when being sprayed out from the outlet end, and the working area of the abrasive material is further enlarged. Therefore, the internal flow guide type flat-mouth sand blasting gun suitable for the surface treatment of the airplane has the advantages of reasonable structural design, easiness in implementation and higher practical value, and effectively solves the problems that the sand blasting gun in the prior art is easy to cause the phenomena of uneven workpiece surface treatment, over-spraying, leakage-spraying and the like, and cannot realize accurate sand blasting operation.
Further, the first-stage flow guide mechanism 1 comprises a first-stage flow guide main body 11 and a plurality of first-stage flow guide sheets 12; the primary diversion main body 11 is of a tubular structure, one end of the primary diversion main body 11 is connected with the sand blasting hose 4, and the other end of the primary diversion main body is connected with the secondary diversion mechanism 2; all the first-stage flow deflectors 12 are arranged in the first-stage flow guiding main body 11 in a star-shaped uniformly distributed ring shape and are connected to the center of the first-stage flow guiding mechanism 1, and an independent channel is formed between every two adjacent first-stage flow deflectors 12. Wherein, the first-stage flow deflector 12 is made of boron carbide with high wear resistance. Through setting up one-level water conservancy diversion main part 11 and a plurality of one-level water conservancy diversion piece 12, form independent passageway between every one-level water conservancy diversion piece 12 for accept the inside gas-solid two-phase flow that flows of sandblast hose 4, cut the abrasive material along with the bend off tracking through dispersed one-level water conservancy diversion piece 12, let the abrasive material of assembling divide into a plurality of, thereby reach the effect of preliminary rectification.
Further, the secondary guide mechanism 2 comprises a secondary guide main body 21 and a plurality of secondary guide vanes 22; the secondary flow guide main body 21 is of a tubular structure, one end of the secondary flow guide main body 21 is connected with the primary flow guide mechanism 1, and the other end of the secondary flow guide main body is connected with the spray gun main body 3; all the second-stage flow deflectors 22 are uniformly distributed and annularly arranged in the second-stage flow guiding main body 21, and all the second-stage flow deflectors 22 are arranged at equal intervals. Further, the secondary flow guide mechanism 2 further comprises a mixing cavity 23; one end of the secondary flow guide main body 21 connected with the spray gun main body 3 is a mixing cavity 23, and the mixing cavity 23 is of a hollow round table-shaped structure. Wherein, the connecting end 32 is provided with an internal bell mouth 321, and the internal bell mouth 321 is arranged in the secondary flow guide mechanism 2. Through setting up second grade water conservancy diversion main part 21, a plurality of second grade water conservancy diversion piece 22 and hybrid chamber 23, it needs to notice, second grade water conservancy diversion piece 22 is opposite with 12 designs of one-level water conservancy diversion piece in this embodiment, be marginal structure, the centre does not have the overlap joint, be the cavity form, every second grade water conservancy diversion piece 22 is fixed on the pipe wall of second grade water conservancy diversion main part 21 according to the required dispersion, the abrasive flow that lets 12 cutting of one-level water conservancy diversion piece assembles toward the centre, overcome the rare problem of abrasive in the middle of the spray gun, the pipe wall air current of rectifying simultaneously, thereby further regular flow direction, get into spray gun main part 3 after 23 once more integrates the abrasive flow through hybrid chamber.
Further, the connection end 32 of the spray gun main body 3 and the second-stage flow guide mechanism 2 is of a circular tubular structure, the outlet end 31 of the spray gun main body 3 is of a flat structure, and the connection end 32 and the outlet end 31 are in smooth transition connection. Through setting up the link 32 that is the pipe column structure, be the exit end 31 of platykurtic structure, and link 32 is smooth transitional coupling with exit end 31, whole inner chamber cavity is progressively passed through by circular along with the water conservancy diversion piece and is flat, and the last outlet nozzle is flat rectangle to have certain external inclination angle, thereby can make the abrasive flow be the fan-shaped injection, further increase the working face.
Further, the outside cladding of spray gun main part 3 has the nylon protective layer, and the inside lining adopts boron carbide wear-resisting material. Through setting up the nylon protective layer to can avoid and handle a bump, and then when effectively protecting the processing piece, still effectively prolong the life of sand blasting gun.
Furthermore, the first-stage guiding mechanism 1 is provided with a plurality of fixing screw holes 111. The periphery of the first-stage flow guide mechanism 1 is provided with the fixing screw holes 111, so that the sand blasting hose 4 can be conveniently replaced and fixed.
Furthermore, two ends of the second-stage flow guide mechanism 2 are respectively connected with the first-stage flow guide mechanism 1 and the spray gun main body 3 through internal thread structures. Through setting up the internal thread structure, specifically, one-level water conservancy diversion mechanism 1 and spray gun main part 3 are equipped with the external thread structure respectively rather than the both ends of being connected to further be convenient for three's change and fixed.
In summary, according to the internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the airplane, on one hand, the primary flow guiding mechanism and the secondary flow guiding mechanism are arranged, and the abrasive flow can be integrated after primary flow guiding, so that the defect that the abrasive flow randomly flows along with the bending of the pipeline midway and is sprayed to one side or two sides of the spraying gun is overcome; after secondary diversion, abrasive and airflow can be gathered to correct the deviation, then the abrasive and the airflow reach a mixing cavity to neutralize gas-solid two-phase flow, the airflow is compressed through a built-in bell mouth and then is uniformly sprayed out along with a flat channel to a gun mouth, and finally, the abrasive flow is uniformly distributed in a fan shape, so that the stability of spray gun operation is greatly improved while the sand blasting operation area is greatly increased, the phenomena of missing spraying and over spraying are avoided, the sand blasting precision of a sand blasting gun is effectively improved, and a robot can perform one-time high-efficiency paint removal operation according to a planned path; on the other hand, the split combined design of the primary flow guide mechanism, the secondary flow guide mechanism and the spray gun main body enables the sand-blasting gun to be produced in a three-part modularized mode, so that the sand-blasting gun is easier to manufacture and convenient for subsequent operation, and any component can be replaced individually when damaged; in addition, the two sides of the outlet end of the spray gun main body which is in a flat structure slightly enlarge the angle outwards, so that the abrasive flow can be uniformly sprayed in a fan shape when being discharged, and the working area of the abrasive is further enlarged.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment is characterized by comprising a primary diversion mechanism, a secondary diversion mechanism and a spray gun main body; one end of the first-stage flow guide mechanism is connected with the sand blasting hose, the other end of the first-stage flow guide mechanism is connected with one end of the second-stage flow guide mechanism, the second-stage flow guide mechanism is communicated with the first-stage flow guide mechanism, the other end of the second-stage flow guide mechanism is connected with the spray gun main body, and the spray gun main body is communicated with the second-stage flow guide mechanism; the outlet end of the spray gun main body is of a flat structure.
2. The internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the aircraft as claimed in claim 1, wherein the primary flow guiding mechanism comprises a primary flow guiding main body and a plurality of primary flow guiding sheets; the primary diversion main body is of a tubular structure, one end of the primary diversion main body is connected with the sand blasting hose, and the other end of the primary diversion main body is connected with the secondary diversion mechanism; all the first-stage flow deflectors are arranged in the first-stage flow guide main body in a star-shaped uniformly distributed ring mode and are connected to the center of the first-stage flow guide mechanism, and a channel is formed between every two adjacent first-stage flow deflectors.
3. The internal flow deflector type flat-nose blast gun for aircraft surface treatment as claimed in claim 2, wherein said primary deflector is made of boron carbide.
4. The internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the aircraft as claimed in claim 1, wherein the secondary flow guiding mechanism comprises a secondary flow guiding main body and a plurality of secondary flow guiding sheets; the secondary flow guide main body is of a tubular structure, one end of the secondary flow guide main body is connected with the primary flow guide mechanism, and the other end of the secondary flow guide main body is connected with the spray gun main body; all the second-stage flow deflectors are uniformly distributed and annularly arranged in the second-stage flow guide main body, and all the second-stage flow deflectors are arranged at equal intervals.
5. The internal flow-guiding type flat-nose sand-blasting gun suitable for the surface treatment of the aircraft as claimed in claim 4, wherein the secondary flow-guiding mechanism further comprises a mixing cavity; the mixing cavity is arranged at one end of the second-stage flow guide main body connected with the spray gun main body, and the mixing cavity is of a hollow round platform-shaped structure.
6. The internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the aircraft as claimed in claim 1, wherein the connection end of the spray gun body and the secondary flow guiding mechanism is of a round tubular structure, the outlet end of the spray gun body is of a flat structure, and the connection end and the outlet end are in smooth transition connection.
7. The internal flow guiding type flat-nose sand-blasting gun suitable for the surface treatment of the aircraft as claimed in claim 6, wherein a built-in bell mouth is arranged at the connecting end, and the built-in bell mouth is arranged in the secondary flow guiding mechanism.
8. The internally piloted flatjet sand gun as claimed in claim 1, wherein the exterior of the gun body is covered with a nylon protective layer.
9. The internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the aircraft as claimed in claim 1, wherein the primary flow guiding mechanism is provided with a plurality of fixing screw holes.
10. The internal flow guiding type flat-nose sand blasting gun suitable for the surface treatment of the aircraft as claimed in claim 1, wherein two ends of the secondary flow guiding mechanism are respectively connected with the primary flow guiding mechanism and the lance main body through internal thread structures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106640.5U CN216371733U (en) | 2021-12-10 | 2021-12-10 | Internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106640.5U CN216371733U (en) | 2021-12-10 | 2021-12-10 | Internal diversion type flat-nose sand blasting gun suitable for airplane surface treatment |
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| CN216371733U true CN216371733U (en) | 2022-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114781953A (en) * | 2022-06-23 | 2022-07-22 | 成都飞机工业（集团）有限责任公司 | Sand blasting removal capacity characterization method and device, storage medium and equipment |
| CN114985127A (en) * | 2022-07-15 | 2022-09-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for changing jet flow shape |
-
2021
- 2021-12-10 CN CN202123106640.5U patent/CN216371733U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114781953A (en) * | 2022-06-23 | 2022-07-22 | 成都飞机工业（集团）有限责任公司 | Sand blasting removal capacity characterization method and device, storage medium and equipment |
| CN114985127A (en) * | 2022-07-15 | 2022-09-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for changing jet flow shape |
| CN114985127B (en) * | 2022-07-15 | 2022-11-01 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for changing jet flow shape |
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