Wind shield structure and hydraulic generator

Abstract

The utility model provides a wind shield structure and a hydro-generator, the wind shield structure comprises: an adjustable wind shield, which comprises an L-shaped wind shield and an L-shaped joint plate, the L-shaped wind shield is provided with a first extension part and a second extension part which are connected with each other; the L-shaped joint closing plate is provided with a third extension part and a fourth extension part which are connected with each other, the first extension part is detachably connected with the third extension part, and the second extension part and the fourth extension part are oppositely arranged; the U-shaped wind shields comprise two side plates which are oppositely arranged, the adjustable wind shield and the U-shaped wind shields define a circular ring, the second extension part is connected with one side plate of the U-shaped wind shield adjacent to the second extension part, the fourth extension part is connected with one side plate of the U-shaped wind shield adjacent to the fourth extension part, and the U-shaped wind shields are arranged in the circular ring. And the side plates of the adjacent U-shaped wind shields are connected in sequence. The wind shield structure is convenient to connect, flexible to adjust and capable of reducing the installation workload.

Description

Technical Field

[0001] The utility model relates to the technical field of windshields for water turbine generators, in particular to a windshield structure and a water turbine generator. Background Art

[0002] The windshield at the end of the turbine generator is made of insulating fiberglass material. It is a non-processed part, and its shape and size cannot be processed again after it is manufactured. The existing windshield structure is composed of several petals combined into a circular ring. The number of petals of the windshield of a large turbine generator is as many as 40. It is generally designed in a way that the size of each petal is evenly distributed and connected with a joint plate. When installing the windshield, due to the manufacturing and installation deviations of the size of each petal, the joint plates are adjusted with gaskets according to the actual installation situation, which requires multiple adjustments, resulting in a large installation workload and a long construction period. Utility Model Content

[0003] The embodiments of the utility model provide a windshield structure and a hydro-turbine generator, which can improve the technical problem that the existing windshield needs to be adjusted multiple times during installation.

[0004] In a first aspect, an embodiment of the utility model provides a windshield structure, comprising:

[0005] An adjustable windshield, comprising an L-shaped windshield and an L-shaped joint plate, wherein the L-shaped windshield has a first extension portion and a second extension portion connected to each other; the L-shaped joint plate has a third extension portion and a fourth extension portion connected to each other, the first extension portion is detachably connected to the third extension portion, and the second extension portion and the fourth extension portion are arranged opposite to each other;

[0006] The U-shaped wind shield includes two side panels arranged opposite to each other, and a plurality of the U-shaped wind shields are provided. The adjustable wind shield and the plurality of the U-shaped wind shields form a circular ring. The second extension portion is connected to a side panel of the adjacent U-shaped wind shield, and the fourth extension portion is connected to a side panel of the adjacent U-shaped wind shield, and the side panels of adjacent U-shaped wind shields are connected in sequence.

[0007] In the embodiment of the utility model, by setting an L-shaped windshield and an L-shaped joint plate, when the adjustable windshield and a plurality of U-shaped windshields are enclosed in a circular ring, the distance and installation angle between the second extension and the fourth extension can be adjusted as needed, thereby adjusting the gap between the U-shaped windshields, thereby achieving flexible adjustment during the installation of the windshield structure, and finally, by detachably connecting the first extension and the third extension, the overlapping part of the L-shaped windshield and the L-shaped joint plate can be adjusted to the desired position before being fixedly connected. The windshield structure is easy to connect and flexible to adjust, which can reduce the installation workload and improve work efficiency.

[0008] In one embodiment, the U-shaped windshield plate also includes a bottom plate, which is arranged between the two side plates, the first extension portion includes a connecting section and a windshield section, the windshield section is arranged between the connecting section and the second extension portion, and interlayers are provided in the bottom plate and the windshield section, the connecting section is fixedly connected to the third extension portion, and the thickness of the connecting section is less than the thickness of the windshield section.

[0009] In the embodiment of the utility model, by providing interlayers in the bottom plate and the windshield section, the thickness of the bottom plate and the windshield section can meet the rigidity requirements of the windshield while effectively reducing the weight of the windshield. By making the thickness of the connecting section smaller than the thickness of the windshield section, the connecting section and the third extension portion can be more easily connected.

[0010] In one embodiment, the connecting section and the third extending portion are fastened together by bolts.

[0011] In the embodiment of the utility model, by engaging the connecting section and the third extending portion with bolts, a stable connection between the two can be achieved, and operation and adjustment are facilitated at the same time.

[0012] In one embodiment, the thickness of the connecting section and the third extension portion are both between 3-5 mm.

[0013] In the embodiment of the utility model, by controlling the thickness of the connecting section and the third extending portion, it is convenient to open bolt mounting holes in the two and at the same time, the bolts can better connect the two stably.

[0014] In one embodiment, a first bolt mounting hole is preset on one of the connecting section and the third extension portion, and during the connection process between the connecting section and the third extension portion, the overlapping portion of the first extension portion and the third extension portion is adjusted on the other so that the adjustable wind shield and the U-shaped wind shield form a circle, and a second bolt mounting hole matching the first bolt mounting hole is provided on the other, and bolts are passed through and locked in the first bolt mounting hole and the second bolt mounting hole.

[0015] In an embodiment of the utility model, by pre-setting a first bolt mounting hole on one of the connecting section and the third extension portion, and then adjusting the overlapping portion of the first extension portion and the third extension portion when the two are connected, so that the adjustable wind shield and the U-shaped wind shield are formed into a circular ring, and then according to the position of the first bolt mounting hole, a second bolt mounting hole is opened at a position opposite to the first bolt mounting hole on the other, thereby realizing flexible adjustment of the distance and mounting angle between the second extension portion and the fourth extension portion.

[0016] In one embodiment, the first extension portion and the third extension portion are connected by a wire harness.

[0017] In an embodiment of the utility model, the connection between the first extension part and the third extension part needs to be adjusted according to the distance between the second extension part and the fourth extension part and the installation angle. The first extension part and the third extension part are connected by a wiring harness to facilitate the installation and adjustment of the two.

[0018] In one embodiment, there is an angle between the two side plates of the U-shaped wind shield, and the first extension portion and the third extension portion at one side close to each other at least partially overlap.

[0019] In an embodiment of the utility model, by at least partially overlapping the first extension portion and the third extension portion on one side close to each other, the overlapping area and shape of the first extension portion and the third extension portion can be adjusted according to the distance between the second extension portion and the fourth extension portion and the installation angle, and then the overlapping parts are connected, thereby achieving adjustment and connection between the first extension portion and the third extension portion.

[0020] In one embodiment, a gasket is provided between the fourth extension portion and the side plate adjacent thereto; and / or

[0021] A gasket is provided between the third extension portion and the side plate adjacent thereto; and / or

[0022] A gasket is arranged between the side plate and the side plate adjacent thereto.

[0023] In the embodiment of the utility model, the gap between the fourth extension part and the side plate adjacent thereto, the gap between the third extension part and the side plate adjacent thereto, and the gap between the side plate and the side plate adjacent thereto can be adjusted by arranging the gasket.

[0024] In one embodiment, two adjustable wind shields are provided, and the two adjustable wind shields are symmetrically arranged in the radial direction of the circular ring.

[0025] In the embodiment of the utility model, the adjustable wind shield and a plurality of U-shaped wind shields form a circular ring, and two adjustable wind shields are symmetrically arranged in the radial direction of the circular ring, which makes it easier to install and adjust the wind shield structure.

[0026] In a second aspect, an embodiment of the utility model provides a hydro-generator, comprising the above-mentioned wind shield structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a structural schematic diagram of a windshield structure provided by an embodiment of the utility model;

[0029] Figure 2 It is a partial schematic diagram of a windshield structure provided by an embodiment of the utility model;

[0030] Figure 3 It is a partial schematic diagram of a windshield structure provided by an embodiment of the utility model.

[0031] Description of the drawings: adjustable windshield -1; L-shaped windshield -11; first extension -111; connecting section -1111; windshield section -1112; second extension -112; L-shaped joint plate -12; third extension -121; fourth extension -122; U-shaped windshield -2; side panel -21; bottom panel -22; interlayer -3; bolt -4; wiring harness -5; gasket -6. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. In the utility model, unless otherwise stated, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0033] See also Figures 1 to 3 In a first aspect, an embodiment of the utility model provides a windshield structure, comprising:

[0034] The adjustable windshield 1 comprises an L-shaped windshield 11 and an L-shaped joint plate 12, wherein the L-shaped windshield 11 comprises a first extension portion 111 and a second extension portion 112 connected to each other; the L-shaped joint plate 12 comprises a third extension portion 121 and a fourth extension portion 122 connected to each other, wherein the first extension portion 111 is detachably connected to the third extension portion 121, and the second extension portion 112 is arranged opposite to the fourth extension portion 122;

[0035] The U-shaped wind shield 2 includes two side panels 21 arranged opposite to each other. There are multiple U-shaped wind shields 2. The adjustable wind shield 1 and the multiple U-shaped wind shields 2 form a circular ring. The second extension portion 112 is connected to one of the side panels 21 of the adjacent U-shaped wind shield 2. The fourth extension portion 122 is connected to one of the side panels 21 of the adjacent U-shaped wind shield 2. The side panels 21 of adjacent U-shaped wind shields 2 are connected in sequence.

[0036] It can be understood that there is an angle between the two side panels 21 of the U-shaped windshield 2, and there is an angle between the second extension 112 and the fourth extension 122. The side panels 21 of multiple U-shaped windshields 2 are sequentially connected and inserted into the adjustable windshield 1 to enclose a circular ring. The first extension 111 and the second extension 112 of the L-shaped windshield 11 can be integrally formed, and the angle between the first extension 111 and the second extension 112 can be set as required, and the length and width of the first extension 111 and the second extension 112 can be set as required. The third extension 121 and the fourth extension 122 of the L-shaped joint plate 12 can be integrally formed, and the angle between the third extension 121 and the fourth extension 122 can be set as required, and the length and width of the third extension 121 and the fourth extension 122 can be set as required. The number of U-shaped windshields 2 can be set as required. The adjustable windshield 1 can be set at one or more, and can be set according to installation requirements. When installing the windshield structure, the side panels 21 of multiple U-shaped windshields 2 can be connected in sequence first, and then the second extension portion 112 and the fourth extension portion 122 can be connected to the unconnected side panels 21 of the U-shaped windshield 2 respectively, and finally the first extension portion 111 and the third extension portion 121 can be fixedly connected.

[0037] In one embodiment, the U-shaped windshield 2 also includes a bottom plate 22, and the bottom plate 22 is arranged between the two side plates 21. The first extension portion 111 includes a connecting section 1111 and a windshield section 1112, and the windshield section 1112 is arranged between the connecting section 1111 and the second extension portion 112. An interlayer 3 is provided in the bottom plate 22 and the windshield section 1112. The connecting section 1111 is fixedly connected to the third extension portion 121, and the thickness of the connecting section 1111 is less than the thickness of the windshield section 1112.

[0038] It can be understood that the thickness of the interlayer 3, the thickness of the bottom plate 22, and the thickness of the windshield section 1112 can be set as needed, and the material in the interlayer 3, the shape of the interlayer 3, and the setting range of the interlayer 3 can be set as needed.

[0039] See also Figure 2 In one embodiment, the connecting section 1111 and the third extending portion 121 are fastened together by bolts 4 .

[0040] It can be understood that the number and location of the bolts 4 can be set as needed, as long as the connecting section 1111 and the third extending portion 121 can be stably connected.

[0041] In one embodiment, the thickness of the connecting section 1111 and the third extending portion 121 are both between 3 mm and 5 mm.

[0042] It can be understood that when the bolt 4 connects the connecting section 1111 and the third extending portion 121 , the bolt 4 needs to pass through the connecting section 1111 and the third extending portion 121 in the thickness direction.

[0043] In one embodiment, a first bolt mounting hole is preset on one of the connecting section 1111 and the third extension portion 121, and during the connection process between the connecting section 1111 and the third extension portion 121, the overlapping portion of the first extension portion 111 and the third extension portion 121 is adjusted on the other so that the adjustable wind shield 1 and the U-shaped wind shield 2 form a circular ring, and a second bolt mounting hole matching the first bolt mounting hole is provided on the other, and the bolt 4 is passed through and locked in the first bolt mounting hole and the second bolt mounting hole.

[0044] It can be understood that when the wind shield structure is installed, a first bolt mounting hole can be firstly provided on the connecting section 1111 or the third extension portion 121, and then when the first extension portion 111 and the third extension portion 121 are finally connected, a second bolt mounting hole can be opened at a corresponding position of the third extension portion 121 or the connecting section 1111 according to the position of the first bolt mounting hole, so that the first bolt mounting hole and the second bolt mounting hole can be fully aligned.

[0045] See also Figure 3 In one embodiment, the first extension portion 111 and the third extension portion 121 are connected by a wiring harness 5 .

[0046] It can be understood that the first extension part 111 and the third extension part 121 are connected by bundling with the wire harness 5. The wire harness 5 can be directly bundled around the first extension part 111 and the third extension part 121, or wire holes can be respectively set on the first extension part 111 and the third extension part 121, and the wire harness 5 passes through the wire holes to achieve the connection between the two. At the same time as the wire harness 5 is connected, an adhesive can be set at the connection to further improve the stability of the connection.

[0047] In one embodiment, there is an angle between the two side plates 21 of the U-shaped wind shield 2 , and the first extension portion 111 and the third extension portion 121 at one side close to each other at least partially overlap.

[0048] It is understandable that the size of the overlapping portion can be adjusted as needed, as long as there is still an overlapping area between the second extension portion 112 and the fourth extension portion 122 when the distance and installation angle between the two are adjusted, and the connection of the overlapping area is facilitated.

[0049] In one embodiment, a gasket 6 is disposed between the fourth extension portion 122 and the adjacent side plate 21; and / or

[0050] A gasket 6 is provided between the third extension portion 121 and the adjacent side plate 21; and / or

[0051] A gasket 6 is disposed between the side plate 21 and the adjacent side plate 21 .

[0052] It can be understood that the number and thickness of the gaskets 6 can be set as required.

[0053] In one embodiment, two adjustable wind shields 1 are provided, and the two adjustable wind shields 1 are symmetrically arranged in the radial direction of the circular ring.

[0054] It can be understood that when two adjustable windshields 1 are provided, the multiple U-shaped windshields 2 can be firstly enclosed into two approximate semicircular rings, and then the two adjustable windshields 1 can be respectively inserted into the symmetrical positions between the two approximate semicircular rings.

[0055] In a second aspect, an embodiment of the utility model provides a hydro-generator, comprising the above-mentioned wind shield structure.

[0056] The above is a detailed introduction to the embodiments of the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for technicians in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A windshield structure, characterized in that: include: An adjustable windshield, comprising an L-shaped windshield and an L-shaped joint plate, wherein the L-shaped windshield has a first extension portion and a second extension portion connected to each other; the L-shaped joint plate has a third extension portion and a fourth extension portion connected to each other, the first extension portion is detachably connected to the third extension portion, and the second extension portion and the fourth extension portion are arranged opposite to each other; The U-shaped wind shield includes two side panels arranged opposite to each other, and a plurality of the U-shaped wind shields are provided. The adjustable wind shield and the plurality of the U-shaped wind shields form a circular ring. The second extension portion is connected to a side panel of the adjacent U-shaped wind shield, and the fourth extension portion is connected to a side panel of the adjacent U-shaped wind shield, and the side panels of adjacent U-shaped wind shields are connected in sequence.

2. The windshield structure according to claim 1, characterized in that: The U-shaped windshield plate also includes a bottom plate, which is arranged between the two side plates. The first extension portion includes a connecting section and a windshield section, and the windshield section is arranged between the connecting section and the second extension portion. Interlayers are provided in the bottom plate and the windshield section. The connecting section is fixedly connected to the third extension portion, and the thickness of the connecting section is less than the thickness of the windshield section.

3. The windshield structure according to claim 2, characterized in that: The connecting section and the third extending portion are fastened together by bolts.

4. The windshield structure according to claim 3, characterized in that: The thickness of the connecting section and the third extension portion are both between 3-5 mm.

5. The windshield structure according to claim 3, characterized in that: A first bolt mounting hole is preset on one of the connecting section and the third extension part, and during the connection process between the connecting section and the third extension part, the overlapping part of the first extension part and the third extension part is adjusted on the other one so that the adjustable wind shield and the U-shaped wind shield form a circular ring, and a second bolt mounting hole matching the first bolt mounting hole is arranged on the other one, and the bolts are passed through and locked in the first bolt mounting hole and the second bolt mounting hole.

6. The windshield structure according to claim 1, characterized in that: The first extension portion and the third extension portion are connected by binding with a wire harness.

7. The windshield structure according to claim 1, characterized in that: There is an angle between the two side plates of the U-shaped wind shield, and the first extension portion and the third extension portion at one side close to each other at least partially overlap.

8. The windshield structure according to claim 1, characterized in that: A gasket is provided between the fourth extension portion and the side plate adjacent thereto; and / or A gasket is provided between the third extension portion and the side plate adjacent thereto; and / or A gasket is arranged between the side plate and the side plate adjacent thereto.

9. The windshield structure according to claim 1, characterized in that: Two adjustable wind shields are provided, and the two adjustable wind shields are symmetrically arranged in the radial direction of the circular ring.

10. A hydro-generator, characterized in that: The windshield structure comprises the windshield structure as described in any one of claims 1 to 9.

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