CN210422845U - Hydrodynamic drive impeller and hydrodynamic device - Google Patents
Hydrodynamic drive impeller and hydrodynamic device Download PDFInfo
- Publication number
- CN210422845U CN210422845U CN201921276130.2U CN201921276130U CN210422845U CN 210422845 U CN210422845 U CN 210422845U CN 201921276130 U CN201921276130 U CN 201921276130U CN 210422845 U CN210422845 U CN 210422845U
- Authority
- CN
- China
- Prior art keywords
- axis
- cavity
- support body
- wall surface
- bucket
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model provides a hydrodynamic drive impeller and hydrodynamic device, this hydrodynamic drive impeller includes: a rotation support body; a plurality of water buckets fixedly arranged on the rotary support body, wherein the plurality of water buckets are uniformly distributed circumferentially around the axis of the rotary support body; the bucket has the bucket chamber, and the bucket chamber includes along the radial chamber lateral wall that extends of rotary support body, connects the nearly heart wall and the telecentric wall at the both ends of chamber lateral wall, and telecentric wall is located one side that the axis of rotary support body is kept away from to the nearly heart wall. Through the utility model discloses, it is more complicated to have alleviated the processing technology of impeller among the prior art, and the range of application receives the technical problem of restriction.
Description
Technical Field
The utility model relates to a fluid power equipment's technical field especially relates to a hydrodynamic drive impeller and hydrodynamic device.
Background
The fluid power equipment is a power machine for converting the energy of liquid into mechanical energy, and a water turbine is a typical fluid power equipment. The impeller is a core component of the water turbine; at present, the impeller is usually designed through fluid dynamics optimization and has a complex curved surface. In order to obtain a curved surface shape and ensure the use effect of the impeller, the machining of the impeller generally comprises a casting process and a mechanical finishing process. The casting process needs to be implemented by using a relatively complex mold; mechanical finishing typically requires the use of a multi-axis machine tool. For some large impellers, it is usually difficult to realize integral casting molding, and during processing, the large impellers need to be decomposed into a plurality of single blades, and the single blades are assembled after being cast and mechanically finished. Because the casting, the machining of a multi-axis machine tool and the assembly and assembly are involved, the machining process is complex, the difficulty is high, the manufacturing period is long, and the cost is high.
For the above reasons, the application of the impeller is generally limited by its own processing technology, and is generally only applied to large hydraulic equipment in a hydropower station or fluid power motor equipment with larger production batch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydrodynamic drive impeller and hydrodynamic device to alleviate the more complicated processing technology of prior art well impeller, the range of application receives the technical problem of restriction.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a hydrodynamic drive impeller, include: a rotation support body; a plurality of buckets fixedly mounted on the rotary support body, the buckets being uniformly circumferentially distributed around the axis of the rotary support body; the water bucket is provided with a water bucket cavity, the water bucket cavity comprises a cavity side wall extending along the radial direction of the rotary support body, a proximal wall surface and a distal wall surface, the proximal wall surface and the distal wall surface are connected to two ends of the cavity side wall, and the distal wall surface is located on one side, away from the axis of the rotary support body, of the proximal wall surface.
In a preferred embodiment, the chamber side wall is a portion of a cylinder.
In a preferred embodiment, the axial direction of the cavity side wall is parallel to the radial direction of the rotary support body.
In a preferred embodiment, the proximal wall surface is inclined in a direction approaching the axis of the rotation support body from the bottom to the open end of the water bucket chamber.
In a preferred embodiment, the distal end wall surface is inclined in a direction away from the axis of the rotation support body from the bottom to the open end of the water bucket cavity.
In a preferred embodiment, an angle between the proximal wall surface and an axis of the cavity sidewall is smaller than an angle between the distal wall surface and an axis of the cavity sidewall.
In a preferred embodiment, the bucket comprises a half cylinder body, a near core plate and a far core plate which are welded at two ends of the half cylinder body, the near core plate and the far core plate surround to form the bucket cavity, the cavity side wall is formed on the inner wall of the half cylinder body, the near core wall is formed on the near core plate, and the far core wall is formed on the far core plate.
In a preferred embodiment, said hydrodynamically driven impeller comprises 6-12 of said buckets.
In a preferred embodiment, the rotary support body comprises an outer cylinder, an inner cylinder disposed within the outer cylinder, and a plurality of radial links connecting the outer cylinder and the inner cylinder, the plurality of radial links being circumferentially distributed about the axis of the outer cylinder; in addition, along the axial direction of the outer cylinder, two adjacent radial connecting rods are staggered; the plurality of water buckets are connected to the outer cylinder.
The utility model provides a hydrodynamic device, include: the above hydrodynamic drive impeller; the incident pipe is used for spraying liquid flow to the water bucket cavity; when the water bucket rotates to the state that the axis of the cavity side wall is perpendicular to the axis of the incident pipe, the axis of the incident pipe points to the midpoint of the bottom of the cavity side wall along the direction of the axis of the incident pipe.
The utility model discloses a characteristics and advantage are:
the utility model provides a hydrodynamic drive impeller sprays to the water dipper chamber at the during operation, and the liquid stream that has the potential energy produces the impact force to the chamber lateral wall, can drive water dipper and rotation support body and rotate to turn into the potential energy of liquid stream rotary machine ability. After the liquid flow enters the water bucket cavity, the liquid flow can move outwards along the cavity side wall, the near-center wall surface and the far-center wall surface, in the process of moving outwards, on one hand, impact force is continuously applied, on the other hand, the liquid flow is convenient to discharge out of the water bucket cavity, liquid accumulation in the water bucket cavity is reduced, energy consumption is reduced, and the conversion efficiency of converting potential energy into mechanical energy is improved.
In this hydrodynamic drive impeller, cavity lateral wall, nearly heart wall and far heart wall in the bucket cavity can make respectively and obtain, then obtain the bucket through the equipment, and the degree of difficulty of processing is less, and the cost is lower, suitable for using under the condition of single small batch.
In conclusion, the hydrodynamic drive impeller has high energy conversion efficiency, is low in processing difficulty and cost, can be applied under the condition of single piece and small batch, and expands the application range.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a first viewing angle of a hydrodynamically driven impeller according to the present invention;
fig. 2 is a schematic structural view of a second viewing angle of the hydrodynamic drive impeller provided by the present invention;
FIG. 3 is a schematic view of the configuration of the bucket in the hydrodynamically driven impeller of FIG. 2;
FIG. 4 is a cross-sectional view taken along line a-a of FIG. 3;
FIG. 5 is a cross-sectional view taken along line b-b of FIG. 3;
fig. 6 is a partial schematic view of a hydrokinetic device according to the present invention.
The reference numbers illustrate:
10. a rotation support body; 11. an outer cylinder; 12. an inner cylinder; 13. a radial link;
20. a water bucket; 21. a half cylinder; 22. a proximal plate; 23. a distal plate; 24. a bucket supporting rod;
30. a water bucket cavity; 31. a cavity sidewall; 311. an axis of the chamber sidewall; 32. a proximal wall surface; 33. a telecentric wall surface;
40. and (4) an incident tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Some mobile devices need to be driven by fluid power, but the field conditions of these mobile devices are different from large hydraulic devices in hydropower stations and different from mass-produced fluid power motor devices. The movable equipment needs to be designed according to the field working condition, usually belongs to a single piece and small batch, and has smaller structure size; the fluid power equipment required to be equipped in the mobile equipment is also required to be matched with the flow condition in the field working condition, so that the mobile equipment is usually a single-piece small-batch product with smaller structural size, and the impeller in the mobile equipment is manufactured by casting and mechanical finishing, so that the manufacturing period is long and the cost is high, and the impeller in the prior art is difficult to be applied to the mobile equipment.
Example one
In order to solve the above problems, the present invention provides a hydrodynamic drive impeller, as shown in fig. 1, 3 and 4, including: the water fountain comprises a rotary support body 10 and a plurality of water fountains 20 fixedly arranged on the rotary support body 10, wherein the plurality of water fountains 20 are uniformly and circumferentially distributed around the axis of the rotary support body 10; the bucket 20 has a bucket cavity 30, and the bucket cavity 30 includes a cavity side wall 31 extending in the radial direction of the rotation support body 10, a proximal wall surface 32 connected to both ends of the cavity side wall 31, and a distal wall surface 33, and the distal wall surface 33 is located on the side of the proximal wall surface 32 away from the axis of the rotation support body 10. The chamber side wall 31 extends around its own axis and has a notch; the proximal wall surface 32 and the distal wall surface 33 are connected to both ends of the chamber sidewall 31, the proximal wall surface 32, and the distal wall surface 33 can surround to form the water bucket chamber 30, and the gap of the chamber sidewall 31 forms the opening of the water bucket chamber 30. In operation, a flow of liquid enters the scoop cavity 30 from the opening, impinging on the cavity side walls 31.
When the impeller is driven by hydrodynamic force to work, liquid with potential energy flows to the water bucket cavity 30 for spraying, the liquid flow generates impact force on the cavity side wall 31, the water bucket 20 and the rotary support body 10 can be driven to rotate, and therefore the potential energy of the liquid flow is converted into rotary mechanical energy. After entering the water bucket cavity 30, the liquid flow can move outwards along the cavity side wall 31, the proximal wall surface 32 and the distal wall surface 33, and in the process of moving outwards, on one hand, impact force is continuously applied, on the other hand, the liquid flow is convenient to discharge out of the water bucket cavity 30, liquid accumulation in the water bucket cavity 30 is reduced, energy consumption is reduced, and the conversion efficiency of converting potential energy into mechanical energy is improved. In the hydrodynamic drive impeller, the cavity side wall 31, the proximal wall surface 32 and the distal wall surface 33 in the bucket cavity 30 can be manufactured respectively, and then the bucket 20 is obtained through assembly. Therefore, the hydrodynamic driving impeller has high energy conversion efficiency, is low in processing difficulty and low in cost, can be applied to the dynamic equipment, and expands the application range.
Further, as shown in fig. 3 and 4, the bucket 20 includes a half cylinder 21 and a proximal plate 22 and a distal plate 23 welded to two ends of the half cylinder 21, the proximal plate 22 and the distal plate 23 surround to form a bucket cavity 30, a cavity sidewall 31 is formed on an inner wall of the half cylinder 21, an axis of the half cylinder 21 is an axis 311 of the cavity sidewall, a proximal wall 32 is formed on the proximal plate 22, and a distal wall 33 is formed on the distal plate 23. During manufacturing, the existing cylindrical section is cut along a plane passing through the axis of the existing cylindrical section or a plane parallel to the plane, so that a semi-cylinder 21 can be obtained; according to the end surface shape of the semi-cylinder 21, slitting is carried out on the existing plate, and a near core plate 22 and a far core plate 23 can be respectively obtained; then, the proximal core plate 22 and the distal core plate 23 are welded to both ends of the half cylinder 21, respectively, to obtain the water chamber 30. Compare the impeller that has complicated curved surface among the prior art and need carry out through casting process and the fine machining process of machinery and make, the manufacturing process of this hydrodynamic drive impeller mainly includes cutting and welding, and technology is simpler, and the processing degree of difficulty is lower, is favorable to shortening processing cycle, saves the processing cost.
As shown in fig. 1 and 2, the rotary support body 10 includes an outer cylinder 11, an inner cylinder 12 provided inside the outer cylinder 11, and a plurality of radial links 13 connecting the outer cylinder 11 and the inner cylinder 12, the plurality of radial links 13 being circumferentially distributed around the axis of the outer cylinder 11; the axes of the rotary support bodies 10 are the axes of the outer cylinders 11, and the plurality of buckets 20 are connected to the outer cylinders 11. The inner cylinder 12 and the outer cylinder 11 can be made by cutting the existing cylindrical section; the radial connecting rod 13 can be made of a round tubular profile or a rod-shaped profile, and the radial connecting rod 13 and the inner cylinder 12 and the radial connecting rod 13 and the outer cylinder 11 can be fixedly connected by welding. On the one hand, the slewing bearing body 10 can be processed by using the existing section bar, and the manufacturing process is relatively simple; on the other hand, the overall weight is reduced, the energy loss in the operation process can be reduced, and the energy conversion efficiency of the hydrodynamic driving impeller is improved.
Further, as shown in fig. 2, two adjacent radial links 13 are staggered in the axial direction of the outer cylinder 11. Specifically, the radial connecting rods 13 are alternately distributed in a staggered manner in the axial direction of the outer cylinder 11, and the structure can optimize the stress, improve the transmission of the moment between the inner cylinder 12 and the outer cylinder 11 and improve the stability of the operation.
As shown in fig. 1-3, the bucket 20 includes a bucket support rod 24, one end of the bucket support rod 24 is fixedly connected to the core plate 22, and the other end is fixedly connected to the outer wall of the outer cylinder 11. The bucket support rod 24 may be made of existing tubing. Preferably, the axis of the bucket support rod 24 coincides with the radial direction of the slewing bearing body 10.
To further improve the energy conversion efficiency of the hydrodynamic drive impeller, in one embodiment of the invention, as shown in fig. 3 and 5, the chamber sidewall 31 is a portion of a cylindrical surface. Specifically, the half cylinder 21 is a half cylinder, and in manufacturing, an existing cylindrical section or pipe may be used, and according to a design size, the half cylinder 21 is obtained by cutting along a radial plane or a plane parallel to the radial plane. From the opening to the bottom of the water bucket cavity 30, the cavity side wall 31 is a continuous smooth arc surface, which is beneficial for the liquid flow to smoothly flow along the cavity side wall 31 after impacting the cavity side wall 31 so as to improve the running stability and continuity, on one hand, when the liquid flow flows along the cavity side wall 31, the thrust can be continuously generated on the water bucket 20, on the other hand, the liquid flow is conveniently discharged outwards, and the accumulation of the liquid in the water bucket cavity 30 is reduced.
Preferably, the axial direction of the cavity side wall 31 is parallel to the radial direction of the rotary support body 10. Specifically, the axis of the cavity side wall 31 is the axis of the semi-cylindrical semi-cylinder 21, and the axis is perpendicular to the axis of the rotation support body 10, so that the impact force of the liquid flow is favorably converted into the torque around the axis of the rotation support body 10, and the energy conversion efficiency is improved. The axis of the chamber side wall 31 is parallel to the axis of the bucket support bar 24.
Further, as shown in fig. 3 and 4, the proximal wall surface 32 is inclined in a direction approaching the axis of the rotation support body 10 from the bottom to the open end of the bucket chamber 30. In the manufacturing process, the end of the semi-cylindrical semi-cylinder 21 close to the rotary support body 10 is cut to form an oblique angle structure, and then the near core plate 22 is welded and fixed on the end face of the oblique angle structure. Thus, on the one hand, the material of the semi-cylinder 21 can be reduced, and the weight can be reduced; on the other hand, the inclined proximal wall surface 32 facilitates the liquid flow to flow out along the proximal wall surface 32, and the inclined proximal wall surface 32 and the radial direction of the rotation support 10 form an included angle smaller than 90 degrees, so that the pressure on the proximal wall surface 32 can generate a pushing effect on the water bucket 20 in the process of the liquid flow flowing out, and the utilization efficiency of energy is improved. Preferably, the proximal wall surface 32 is parallel to the axis of the rotary support body 10.
Further, as shown in fig. 3 and 4, the telecentric wall surface 33 is inclined in a direction away from the axis of the rotation support body 10 from the bottom to the open end of the bucket cavity 30. In the manufacturing process, the end of the semi-cylindrical semi-cylinder 21 far away from the rotary support body 10 is cut to form an oblique angle structure, and then the far core plate 23 is welded and fixed on the end face of the oblique angle structure. Thus, on the one hand, the material of the semi-cylinder 21 can be reduced, and the weight can be reduced; on the other hand, the inclined telecentric wall 33 facilitates the liquid flow to flow out along the telecentric wall 33, and meanwhile, the inclined telecentric wall 33 and the radial direction of the rotation support 10 form an included angle smaller than 90 degrees, so that in the process of the liquid flow flowing out, the pressure on the telecentric wall 33 can generate a pushing effect on the water bucket 20, thereby improving the utilization efficiency of energy. Preferably, the telecentric wall 33 is parallel to the axis of the rotating support.
As shown in fig. 4, an angle between the proximal wall surface 32 and the axis 311 of the cavity sidewall is denoted as a, and an angle between the distal wall surface 33 and the axis 311 of the cavity sidewall is denoted as B. Preferably, A < B, facilitates higher energy conversion efficiency while improving the continuity and smoothness of operation of the hydrodynamically driven impeller.
In one embodiment of the present invention, the hydrodynamic drive impeller includes 6-12 buckets 20, and all of the buckets 20 are uniformly circumferentially distributed around the axis of the rotary support 10 to ensure that the hydrodynamic drive impeller operates with high stability and reduce pulsation during operation. Preferably, the number of buckets 20 in the hydrodynamic drive impeller is odd to better reduce pulsation.
Example two
The utility model provides a hydrodynamic device, include: the above-mentioned hydrodynamic drive impeller and the incident pipe 40 for spraying the liquid flow to the hopper chamber 30; as shown in fig. 6, when the bucket 20 is rotated such that the axis of the chamber sidewall 31 is perpendicular to the axis of the incident tube 40, the axis of the incident tube 40 is directed toward the midpoint of the bottom of the chamber sidewall 31 in the direction of the axis thereof. When the liquid flow is emitted from the nozzle of the incident tube 40 along the axial direction of the incident tube 40 and impacts the cavity side wall 31, and the incident tube 40 and the water bucket 20 are arranged according to the position relationship, the impact force of the liquid flow is fully utilized, the rotating moment as large as possible is generated, and the energy conversion efficiency is improved.
Specifically, when both the proximal wall surface 32 and the distal wall surface 33 are perpendicular to the axis of the cavity side wall 31, the midpoint of the bottom of the cavity side wall 31 in the direction of the own axis is located on the middle section of the half cylinder 21 perpendicular to the own axis. When the proximal wall surface 32 is inclined with respect to the axis of the cavity side wall 31 or the distal wall surface 33 is inclined with respect to the axis of the cavity side wall 31, the midpoint of the bottom of the cavity side wall 31 in the direction of the axis thereof is the midpoint of the connecting line at the position of the cavity side wall 31 where the length in the direction of the axis thereof is minimum, that is, the foot from the center of the circle to the straight line of the incident liquid flow, and the driving force arm is maximum at this time.
In one embodiment of the present invention, the hydrodynamic device comprises a plurality of incident tubes 40 uniformly distributed circumferentially around the axis of the rotary support body 10. Preferably, the number of the incident tubes 40 is 2 to 6. More preferably, the number of the incident pipes 40 is even, and the number of the buckets 20 is odd, which is beneficial to reducing the additional force applied to the rotary support body 10, and further reducing unstable operation caused by the pulsation phenomenon.
Further, the incident tube 40 is made of a tube material, and an inner cavity of the incident tube 40 is cylindrical. As shown in FIG. 6, the maximum length L of the cavity side wall 31 in the direction of its own axis1A diameter of the lumen of the incident tube 40 equal to 2-5 times; height L of the bucket Cavity 302Equal to 2-5 times the diameter of the lumen of the entrance tube 40.
As shown in fig. 6, the axis of the incident tube 40 is perpendicular to the axis of the outer cylinder 11, and in a plane passing through the axis of the incident tube 40 and perpendicular to the axis of the outer cylinder 11, an included angle between a connection line between the center of the circle at the tube orifice of the incident tube 40 and the axis of the outer cylinder 11 and the axis of the incident tube 40 is recorded as an incident angle C. Preferably, C is 45 °.
The structural characteristics of the hydrodynamic device are introduced above, and the inventor has carried out specific experiments according to the structure:
outside the center distance of the opening of the incident tube 40The distance of the axis of the cylinder 11 is 400 mm, and the incident angle C is 45 degrees; the diameter of the inner cavity of the incident tube 40 is 25 mm, the semi-cylinder body 21 is made of a phi 100 mm semi-tube, and the L is1＝100㎜，L2The thickness is 100 mm; a is 45 °, B is 60 °; the distance from the midpoint of the bottom of the cavity side wall 31 along the axis direction thereof to the axis of the outer cylinder 11 is 280 mm; the number of the water hoppers 20 is 9, and the water hopper supporting rod 24 adopts a phi 20 mm pipe.
At a total flow rate of 20m3Under the driving condition of/h, the hydrodynamic force drives the impeller to drive 100kg of load, and through a water flow impact test, the hydrodynamic force drives the impeller to stably operate at the rotating speed of 120 r/min.
The above description is only for the embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (10)
1. A hydrodynamically driven impeller, comprising:
a rotation support body;
a plurality of buckets fixedly mounted on the rotary support body, the buckets being uniformly circumferentially distributed around the axis of the rotary support body;
the water bucket is provided with a water bucket cavity, the water bucket cavity comprises a cavity side wall extending along the radial direction of the rotary support body, a proximal wall surface and a distal wall surface, the proximal wall surface and the distal wall surface are connected to two ends of the cavity side wall, and the distal wall surface is located on one side, away from the axis of the rotary support body, of the proximal wall surface.
2. The hydrodynamically driven impeller of claim 1, wherein the chamber sidewall is a portion of a cylinder.
3. The hydrodynamically driven impeller of claim 2, wherein the axial direction of the cavity sidewall is parallel to a radial direction of the rotary support body.
4. The hydrodynamically driven impeller of claim 1, wherein the proximal wall surface slopes in a direction approaching the axis of the rotating support body from the bottom to the open end of the hopper cavity.
5. The hydrodynamically driven impeller of claim 4, wherein the distal wall surface slopes away from the axis of the rotating support body from the bottom to the open end of the bucket cavity.
6. The hydrodynamically driven impeller of claim 5, wherein an angle between the proximal wall surface and an axis of the cavity sidewall is less than an angle between the distal wall surface and an axis of the cavity sidewall.
7. The hydrodynamically driven impeller of any one of claims 1-6, wherein the bucket comprises a half-cylinder, a proximal plate and a distal plate welded to opposite ends of the half-cylinder, the proximal plate and the distal plate enclosing the bucket cavity, the cavity sidewall being formed on an inner wall of the half-cylinder, the proximal wall being formed on the proximal plate and the distal wall being formed on the distal plate.
8. The hydrodynamically driven impeller of claim 1, wherein the hydrodynamically driven impeller comprises 6-12 buckets.
9. The hydrodynamically driven impeller of claim 1, wherein the rotating support body comprises an outer cylinder, an inner cylinder disposed within the outer cylinder, and a plurality of radial links connecting the outer cylinder and the inner cylinder, the plurality of radial links being distributed circumferentially about an axis of the outer cylinder; in addition, along the axial direction of the outer cylinder, two adjacent radial connecting rods are staggered;
the plurality of water buckets are connected to the outer cylinder.
10. A hydrokinetic device, comprising:
the hydrodynamically driven impeller of any one of claims 1-9;
the incident pipe is used for spraying liquid flow to the water bucket cavity;
when the water bucket rotates to the state that the axis of the cavity side wall is perpendicular to the axis of the incident pipe, the axis of the incident pipe points to the midpoint of the bottom of the cavity side wall along the direction of the axis of the incident pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276130.2U CN210422845U (en) | 2019-08-08 | 2019-08-08 | Hydrodynamic drive impeller and hydrodynamic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276130.2U CN210422845U (en) | 2019-08-08 | 2019-08-08 | Hydrodynamic drive impeller and hydrodynamic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422845U true CN210422845U (en) | 2020-04-28 |
Family
ID=70386287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276130.2U Active CN210422845U (en) | 2019-08-08 | 2019-08-08 | Hydrodynamic drive impeller and hydrodynamic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410258A (en) * | 2019-08-08 | 2019-11-05 | 北京蓝鑫源科技有限公司 | Hydrodynamic(al) power drive impeller and hydrodynamic apparatus |
| CN111852725A (en) * | 2020-06-16 | 2020-10-30 | 王玉刚 | Water energy power generation system |
-
2019
- 2019-08-08 CN CN201921276130.2U patent/CN210422845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410258A (en) * | 2019-08-08 | 2019-11-05 | 北京蓝鑫源科技有限公司 | Hydrodynamic(al) power drive impeller and hydrodynamic apparatus |
| CN111852725A (en) * | 2020-06-16 | 2020-10-30 | 王玉刚 | Water energy power generation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210422845U (en) | Hydrodynamic drive impeller and hydrodynamic device | |
| CN106414996A (en) | Hydrokinetic energy conversion system and use thereof | |
| CN210614131U (en) | Novel pipeline inner wall spraying robot | |
| CN109056828B (en) | Rotary anti-blocking inspection well cover | |
| JPH11325380A (en) | Pipe inner wall surface treatment device | |
| KR101529538B1 (en) | Fin and installation for converting hydraulic energy comprising such a fin | |
| CN211304110U (en) | Grouting pipeline belt cleaning device | |
| CN110410258A (en) | Hydrodynamic(al) power drive impeller and hydrodynamic apparatus | |
| CN101332637B (en) | Screw propulsion type mortar pipe-line transportation system | |
| CN214171968U (en) | Accurate cold-drawn seamless steel pipe dispels heat by force | |
| CN102162242B (en) | Rotary squeeze-expansion supporting disk machine | |
| CN111119937B (en) | Spray gun for concrete wet spraying machine | |
| CN213018844U (en) | Template casting | |
| CN111549795B (en) | Parallel combined type supporting head | |
| CN204754899U (en) | Novel water conservancy slot shower nozzle | |
| CN216679396U (en) | Hydraulic pipeline cleaning device for hydraulic engineering | |
| CN203604097U (en) | Rotary spray turbine | |
| CN219492589U (en) | Be used for vacuum pump to improve rotor bearing structure | |
| CN106762332B (en) | Direct-flushing general water turbine and bucket thereof | |
| CN218563910U (en) | Multi-stage coil pump | |
| CN218060587U (en) | Sand blowing pipeline dredging device | |
| CN110641646A (en) | Water-flushing dynamic sealing structure | |
| CN113007102B (en) | High-pressure high-flow direction-changeable flow-by-flow water pump and floating body | |
| CN213508867U (en) | High-pressure water-driven rotating head for pipeline dredging | |
| CN218743723U (en) | Cleaning device for interior of radiating pipe pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: Room 34, Room 202, building 5, Kechuang Huigu Park, Huaming street, Dongli District, Tianjin Patentee after: Tianjin Muhua Qingyan Technology Co.,Ltd. Address before: 3-c0108-3, academic research center, Beijing Forestry University, No. 35, Qinghua East Road, Haidian District, Beijing 100083 Patentee before: Beijing blue Xinyuan Technology Co.,Ltd. |