CN216788592U - Self-adaptive constant flow velocity flow gathering cover - Google Patents
Self-adaptive constant flow velocity flow gathering cover Download PDFInfo
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- CN216788592U CN216788592U CN202122797500.0U CN202122797500U CN216788592U CN 216788592 U CN216788592 U CN 216788592U CN 202122797500 U CN202122797500 U CN 202122797500U CN 216788592 U CN216788592 U CN 216788592U
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- 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
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Abstract
The utility model relates to the technical field of flow gathering hoods, in particular to a self-adaptive constant-flow-rate flow gathering hood. The novel telescopic type wing-shaped connecting device comprises a sleeve ring, wherein a sealing cover is connected to the surface of the sleeve ring in a sliding mode, a rotating groove is formed in the surface of the sleeve ring, a first structural framework, a second structural framework and a long rod are respectively installed on the inner wall of the rotating groove, a connecting plate is fixedly connected to the surface of the long rod, a connecting structure is arranged on the surface of the connecting plate, a wing-shaped structural plate is sleeved on the surface of the connecting plate and connected with the connecting plate through the connecting structure, a framework limiting ring is fixedly connected to the surface of the connecting plate and penetrates through the second structural framework in a sliding mode, and inner membranes are covered on the surfaces of the first structural framework, the second structural framework and the long rod. The problem of gather the cover and only collect the trend to the impeller, do not consider the unit load can bear the rivers that gather, lead to the unit to damage is solved.
Description
Technical Field
The utility model relates to the technical field of flow gathering hoods, in particular to a self-adaptive constant-flow-velocity flow gathering hood.
Background
With the continuous improvement of the world energy structure, the proportion of fossil energy is continuously reduced, and the development and utilization of novel clean energy become urgent problems. Wherein, tidal current energy is used as clean energy with large reserve, large energy density, wide regional distribution and wide development and utilization prospect. In order to enable a tidal current energy unit to capture incoming flow with maximum efficiency underwater, a series of flow-gathering covers are designed, and the traditional flow-gathering cover only gathers tidal current to an impeller without considering whether unit load can bear gathered water flow to cause unit damage, so that an adaptive constant-flow-rate flow-gathering cover is urgently needed to enable the unit to capture optimal gathered water flow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-adaptive constant-flow-rate flow-gathering cover, which aims to solve the problems that in the prior art, the flow-gathering cover only gathers flow to an impeller, and the defects that whether the load of a unit can bear gathered water flow and the unit is damaged are not considered.
In order to achieve the purpose, the utility model adopts the following technical scheme: a self-adaptive constant flow velocity flow gathering cover comprises a sleeve ring, wherein a sealing cover is connected to the surface of the sleeve ring in a sliding manner, a rotating groove is formed in the surface of the sleeve ring, a first structure framework, a second structure framework and a long rod are respectively installed on the inner wall of the rotating groove, a connecting plate is fixedly connected to the surface of the long rod, a connecting structure is arranged on the surface of the connecting plate, a wing-shaped structure plate is sleeved on the surface of the connecting plate and connected with the connecting plate through the connecting structure, a framework limiting ring is fixedly connected to the surface of the connecting plate and penetrates through the second structure framework in a sliding manner, and inner membranes are covered on the surfaces of the first structure framework, the second structure framework and the long rod; the inner membrane is an elastic fiber telescopic inner membrane.
Preferably, the number of the airfoil structure plates is two, and the two airfoil structure plates are bent towards the direction away from each other; when the airfoil structural plates are impacted by water flow, pressure in the direction of approaching each other is generated.
Preferably, the number of the connecting plates and the number of the framework limiting rings are two, and the two framework limiting rings are arranged in parallel; two skeleton spacing rings all run through second structure skeleton to remove through second structure skeleton, when being a mouthful trend, two skeleton spacing rings remove towards the direction of keeping away from each other in second structure skeleton.
Preferably, a convex block is fixedly arranged on the surface of the sealing cover, a groove is formed in the inner wall of the lantern ring, the size of the groove is matched with that of the convex block, and screw holes are formed in the surfaces of the sealing cover and the lantern ring; the sealing cover and the lantern ring are connected together through the screw, the lug is inserted into the groove at the moment, meanwhile, the first structure framework, the second structure framework and the long rod are located at one end of the rotating groove and fixedly provided with a rotating shaft, the first structure framework, the second structure framework and the long rod are connected together through the rotating shaft and the rotating groove, the lug limits the rotating shaft through the groove at the moment, and the lug can rotate while avoiding the deviation.
Preferably, the connecting structure comprises a connecting block, the connecting block is fixedly connected with the connecting plate, the surface of the wing-shaped structural plate is fixedly connected with a connecting frame, the connecting block is inserted with the connecting frame, the surface of the connecting frame is rotatably connected with a rotating rod, the inner wall of the rotating rod is fixedly connected with a round rod, the surface of the connecting block is provided with a rectangular groove, the width dimension of the rectangular groove is matched with the dimension of the round rod, and a spring is fixedly connected between the rotating rod and the connecting frame; after the wing section structural slab is sleeved on the connecting plate, the connecting frame on the surface of the wing section structural slab is also sleeved on the surface of the connecting block, then the rotating rod is rotated, the round rod on the rotating rod is inserted into the rectangular groove, the spring always pulls the rotating rod to enable the rotating rod to move towards the direction of the connecting frame, and the round rod is prevented from accidentally falling off from the rectangular groove.
Preferably, the surface of the rotating rod is fixedly provided with an arc-shaped block, and the surface of the arc-shaped block is fixedly connected with a round block; after the cover is put into the aquatic to gathering, the arc piece will receive fluidic extrusion to give a thrust towards the connection box direction of bull stick all the time, thereby make the bull stick more difficult to be opened, the rounding block then facilitates the use bull stick.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, the upper and lower parts of the front end flow-gathering part are respectively provided with one wing-shaped structural plate, when the wing-shaped structural plates pass through fluid, due to the Bernoulli principle, the pressure of the part with high flow speed is low, the pressure of the part with low flow speed is high, and the water flow respectively generates downward and upward pressure difference on the two wing-shaped structural plates, so that the pressure difference can be regarded as force for generating inward extrusion; meanwhile, the first structure framework, the second structure framework and the long rods are covered with the elastic fiber telescopic inner membranes for gathering water flow, when the water flow impacts the inner membranes, the kinetic energy of the water is converted into the elastic potential energy of the inner membranes, and the kinetic energy of the water to the inner membranes can be regarded as force for generating outward extrusion. When the water flow is small, the outward extrusion force is greater than the sum of the elastic restoring force of the inner film and the inward extrusion force of the airfoil-shaped structural plate, and the whole air guide sleeve has the opening trend; on the contrary, when the water flow is large, the outward extrusion force is smaller than the sum of the elastic restoring force of the inner film and the inward extrusion force of the airfoil-shaped structural plate, and the whole air guide sleeve has the opening-restraining trend; therefore, the purpose of self-adaptively gathering the constant water flow speed is achieved, and the damage of the unit due to the impact of large-flow water flow is avoided.
Drawings
FIG. 1 is a schematic perspective view of a self-adaptive constant flow velocity flow focusing cover according to the present invention;
FIG. 2 is a partial schematic view of a skeleton-shaped retainer ring in a self-adaptive constant-flow-rate flow-focusing cover according to the present invention;
FIG. 3 is a schematic view of FIG. 1 at A of an adaptive constant flow velocity fluid focusing shroud in accordance with the present invention;
FIG. 4 is a partial schematic view of a connection structure in an adaptive constant flow rate concentrating mask according to the present invention;
FIG. 5 is a partial schematic view of a collar of an adaptive constant flow rate flow focusing cap according to the present invention.
Illustration of the drawings: 1. a collar; 2. a sealing cover; 3. a first structural skeleton; 4. a second structural skeleton; 5. a skeleton limiting ring; 6. an airfoil-shaped structural panel; 7. a connecting plate; 8. a connecting structure; 81. a connecting frame; 82. connecting blocks; 83. a rotating rod; 84. a round bar; 85. an arc-shaped block; 86. a round block; 87. a spring; 88. a rectangular groove; 9. a rotating groove; 10. a bump; 11. a long rod; 12. and (4) a groove.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: an adaptive constant flow velocity flow focusing cover comprises a lantern ring 1.
In this embodiment: the surface of the lantern ring 1 is connected with a sealing cover 2 in a sliding manner, the surface of the lantern ring 1 is provided with a rotating groove 9, the inner wall of the rotating groove 9 is respectively provided with a first structural framework 3, a second structural framework 4 and a long rod 11, the surface of the long rod 11 is fixedly connected with a connecting plate 7, the surface of the connecting plate 7 is provided with a connecting structure 8, the surface of the connecting plate 7 is sleeved with a wing-shaped structural plate 6, the wing-shaped structural plate 6 is connected with the connecting plate 7 through the connecting structure 8, the surface of the connecting plate 7 is fixedly connected with a framework limiting ring 5, the framework limiting ring 5 penetrates through the second structural framework 4 in a sliding manner, and the surfaces of the first structural framework 3, the second structural framework 4 and the long rod 11 are covered with inner membranes; the inner membrane is an elastic fiber telescopic inner membrane.
Specifically, the number of the airfoil structure plates 6 is two, and the two airfoil structure plates 6 are bent toward the direction away from each other; when the airfoil plates 6 are impacted by the water flow, pressure is generated in a direction of approaching each other.
Specifically, the number of the connecting plates 7 and the number of the skeleton limiting rings 5 are two, and the two skeleton limiting rings 5 are arranged in parallel.
In this embodiment: two skeleton spacing rings 5 all run through second structure skeleton 4 to remove through second structure skeleton 4, when being the flaring trend, two skeleton spacing rings 5 remove towards the direction of keeping away from each other in second structure skeleton 4.
Specifically, a convex block 10 is fixedly arranged on the surface of the sealing cover 2, a groove 12 is formed in the inner wall of the lantern ring 1, the size of the groove 12 is matched with that of the convex block 10, and screw holes are formed in the surfaces of the sealing cover 2 and the lantern ring 1; connect together sealing lid 2 and lantern ring 1 through the screw, lug 10 will insert in the recess 12 this moment, simultaneously because first structure skeleton 3, second structure skeleton 4 and stock 11 are located the one end fixed mounting who rotates the inslot 9 has the pivot, and first structure skeleton 3, second structure skeleton 4 and stock 11 link together with the help of pivot and rotation groove 9, lug 10 will carry out spacingly through recess 12 to the pivot this moment, avoid its skew when making it can rotate.
Specifically, connection structure 8 includes connecting block 82, connecting block 82 and connecting plate 7 fixed connection, airfoil structure board 6's fixed surface is connected with the connection frame 81, connecting block 82 and connection frame 81 peg graft mutually, the surface of connection frame 81 rotates and is connected with bull stick 83, the inner wall fixedly connected with round bar 84 of bull stick 83, rectangular channel 88 has been seted up on the surface of connecting block 82, the width dimension of rectangular channel 88 and the size looks adaptation of round bar 84, fixedly connected with spring 87 between bull stick 83 and the connection frame 81.
In this embodiment: after the wing-shaped structural plate 6 is sleeved on the connecting plate 7, the connecting frame 81 on the surface of the wing-shaped structural plate 6 is also sleeved on the surface of the connecting block 82, then the rotating rod 83 is rotated, the round rod 84 on the rotating rod 83 is inserted into the rectangular groove 88, and at the moment, the spring 87 always pulls the rotating rod 83 to move towards the direction of the connecting frame 81, so that the round rod 84 is prevented from accidentally falling off from the rectangular groove 88.
Specifically, an arc-shaped block 85 is fixedly installed on the surface of the rotating rod 83, and a round block 86 is fixedly connected to the surface of the arc-shaped block 85; after the flow gathering cover is placed into water, the arc-shaped block 85 is extruded by fluid, so that the rotating rod 83 is always pushed towards the connecting frame 81, the rotating rod 83 is not easy to open, and the round block 86 facilitates the use of the rotating rod 83.
The working principle is as follows: the front end flow gathering part is respectively provided with an airfoil structure plate 6 at the upper part and the lower part, when the airfoil structure plates 6 pass through fluid, the pressure intensity of the part with high flow speed is small due to the Bernoulli principle, the pressure intensity of the part with low flow speed is high, and the water flow respectively generates downward pressure difference and upward pressure difference on the two airfoil structure plates 6, so that the downward pressure difference and the upward pressure difference can be regarded as force for generating inward extrusion; meanwhile, the first structural framework 3, the second structural framework 4 and the long rods 11 are covered with elastic fiber telescopic inner membranes for gathering water flow, when the water flow impacts the inner membranes, the kinetic energy of the water is converted into the elastic potential energy of the inner membranes, and the kinetic energy of the water to the inner membranes can be regarded as force for generating outward extrusion. When the water flow is small, the outward extrusion force is larger than the sum of the elastic restoring force of the inner film and the inward extrusion force of the airfoil-shaped structural plate 6, and the whole air guide sleeve has the opening trend; when the airfoil structure plate 6 needs to be replaced after long-term use, the rotating rod 83 can be rotated to drive the round rod 84 to be separated from the rectangular groove 88, then the airfoil structure plate 6 is removed from the new airfoil structure plate 6, the connecting frame 81 on the surface of the new airfoil structure plate 6 is sleeved on the surface of the connecting block 82, then the rotating rod 83 is rotated to enable the round rod 84 to be inserted into the rectangular groove 88, and therefore the connecting frame 81 and the connecting block 82 are connected together, meanwhile, the two connecting frames 81 are arranged on the surface of the airfoil structure plate 6, and the distance size between the two connecting frames 81 is consistent with the thickness size of the connecting plate 7.
Claims (6)
1. An adaptive constant flow velocity flow focusing cover comprises a lantern ring (1), and is characterized in that: the surface of the lantern ring (1) is connected with a sealing cover (2) in a sliding way, the surface of the lantern ring (1) is provided with a rotating groove (9), the inner wall of the rotating groove (9) is respectively provided with a first structural framework (3), a second structural framework (4) and a long rod (11), the surface of the long rod (11) is fixedly connected with a connecting plate (7), the surface of the connecting plate (7) is provided with a connecting structure (8), the surface of the connecting plate (7) is sleeved with an airfoil-shaped structural plate (6), the airfoil-shaped structural plate (6) is connected with the connecting plate (7) through a connecting structure (8), the surface of the connecting plate (7) is fixedly connected with a skeleton limiting ring (5), the framework limiting ring (5) penetrates through the second structural framework (4) in a sliding mode, and the inner membranes cover the surfaces of the first structural framework (3), the second structural framework (4) and the long rod (11).
2. The adaptive constant flow velocity flow focusing shroud of claim 1, wherein: the number of the airfoil structure plates (6) is two, and the two airfoil structure plates (6) are bent towards the direction away from each other.
3. The adaptive constant flow rate flow focusing mask of claim 1, wherein: the number of the connecting plates (7) and the number of the framework limiting rings (5) are two, and the two framework limiting rings (5) are arranged in parallel.
4. The adaptive constant flow rate flow focusing mask of claim 1, wherein: the surface fixed mounting of sealed lid (2) has lug (10), the inner wall of the lantern ring (1) is seted up flutedly (12), the size of recess (12) and the size looks adaptation of lug (10), the screw has all been seted up on the surface of sealed lid (2) and lantern ring (1).
5. The adaptive constant flow velocity flow focusing shroud of claim 1, wherein: connection structure (8) are including connecting block (82), connecting block (82) and connecting plate (7) fixed connection, the fixed surface of wing section structure board (6) is connected with linking frame (81), connecting block (82) and linking frame (81) are pegged graft mutually, the surface rotation of linking frame (81) is connected with bull stick (83), the inner wall fixedly connected with round bar (84) of bull stick (83), rectangular channel (88) have been seted up on the surface of connecting block (82), the width size of rectangular channel (88) and the size looks adaptation of round bar (84), fixedly connected with spring (87) between bull stick (83) and linking frame (81).
6. The adaptive constant flow rate flow focusing mask of claim 5, wherein: the surface of the rotating rod (83) is fixedly provided with an arc-shaped block (85), and the surface of the arc-shaped block (85) is fixedly connected with a round block (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797500.0U CN216788592U (en) | 2021-11-16 | 2021-11-16 | Self-adaptive constant flow velocity flow gathering cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797500.0U CN216788592U (en) | 2021-11-16 | 2021-11-16 | Self-adaptive constant flow velocity flow gathering cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788592U true CN216788592U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122797500.0U Active CN216788592U (en) | 2021-11-16 | 2021-11-16 | Self-adaptive constant flow velocity flow gathering cover |
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|---|---|
| CN (1) | CN216788592U (en) |
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2021
- 2021-11-16 CN CN202122797500.0U patent/CN216788592U/en active Active
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