CN210317580U

CN210317580U - Water wheel for hydroelectric power generation

Info

Publication number: CN210317580U
Application number: CN201921445983.4U
Authority: CN
Inventors: 郭胜; 黎喜红
Original assignee: Changde Jingtong Machinery Co ltd
Current assignee: Changde Jingtong Machinery Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-04-14
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a water wheels for hydroelectric power generation. A water wheels for hydroelectric power generation includes main shaft, waterwheel mechanism, coupling mechanism, locating lever, constant head tank, gasket, waterwheel mechanism cover is located on the main shaft, waterwheel mechanism includes big annular plate, little annular plate, flabellum, annular connecting plate, connecting block, arc wall and spring, little annular plate is located in the middle of the big annular plate, just flabellum fixed connection in big annular plate with between the little annular plate, the annular connecting plate is located in the little annular plate, just connecting block fixed connection in on the lateral wall of annular connecting plate, the arc wall seted up in on the inner wall of little annular plate, just the connecting block is inserted and is located in the arc wall and pass through the spring with the inner wall connection of arc wall. The utility model provides a water wheels for hydroelectric power generation has buffer function, has protected hydroelectric power generation equipment, has improved its life's advantage.

Description

Water wheel for hydroelectric power generation

Technical Field

The utility model relates to a water wheels technical field especially relates to a water wheels for hydroelectric power generation.

Background

The water wheel refers to an old mechanical device taking water flow as power or a keel vehicle for drainage and irrigation. The existing water wheel is a device in hydroelectric power generation, and the water wheel formed by impacting fan blades through water flow drives a main shaft connected with the water wheel to rotate, and then the main shaft drives a power generation device in hydroelectric power generation equipment to rotate to generate power.

Most of the existing connections between the water wheels and the main shaft are fixed through bolts and nuts, the water wheels are in the practical application process, the sudden impact force of water flow can damage the power generation equipment in different degrees (in the process of using the power generation equipment for the first time, the water flow in the water discharged by opening the gate impacts the water wheels), the water flow impacts the water wheels, the torsion of the main shaft is increased suddenly, the main shaft rotates suddenly to cause violent impact on the power generation equipment, so that the power generation equipment is damaged in different degrees, and especially when the water flow impact force is too large, the equipment for hydraulic power generation is damaged more easily.

Therefore, there is a need for a new water wheel for hydroelectric power generation to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a have buffer function, protected hydroelectric power generation equipment, improved its life's a water wheels for hydroelectric power generation.

The utility model provides a water wheels for hydroelectric power generation includes: a main shaft; the water wheel mechanism is sleeved on the main shaft and comprises a large annular plate, a small annular plate, fan blades, an annular connecting plate, a connecting block, an arc-shaped groove and a spring, the small annular plate is positioned in the middle of the large annular plate, the fan blades are fixedly connected between the large annular plate and the small annular plate, the annular connecting plate is positioned in the small annular plate, the connecting block is fixedly connected onto the outer side wall of the annular connecting plate, the arc-shaped groove is formed in the inner wall of the small annular plate, and the connecting block is inserted into the arc-shaped groove and is connected with the inner wall of the arc-shaped groove through the spring; and the connecting mechanism is fixedly sleeved on the main shaft.

Preferably, coupling mechanism includes annular fixed plate, lagging, through-hole, spread groove, bolt and nut, annular fixed plate with the lagging is located respectively the upper and lower both ends of annular connecting plate, just the fixed cover of annular fixed plate is located on the main shaft, the lagging cover is located on the main shaft, the through-hole is vertical set up in annular fixed plate with on the lagging, the spread groove is vertical set up in the annular connecting plate, just the bolt runs through the through-hole with the spread groove sets up, nut thread bush is located on the bolt.

Preferably, the annular fixing plate is close to one side wall of the annular connecting plate and is fixedly connected with a positioning rod, and a positioning groove matched with the positioning rod is formed in the side wall of the annular connecting plate.

Preferably, the bolt is sleeved with a gasket.

Preferably, the surfaces of the main shaft, the water wheel mechanism and the connecting mechanism are all sprayed with waterproof paint.

Preferably, the number of the positioning rods and the number of the positioning grooves are two.

Compared with the prior art, the utility model provides a water wheels for hydroelectric power generation has following beneficial effect:

when the water wheel in the device is installed and used, the main shaft is inserted into the annular connecting plate and is fixedly connected with the annular connecting plate through the connecting mechanism, the upper end of the main shaft is connected with the hydroelectric generation equipment, when water flows pass through the gap between the large annular plate and the small annular plate, the water flow impacts the fan blades to drive the fan blades to rotate, so as to drive the water turbine mechanism to rotate, so that the main shaft drives the hydroelectric power generation equipment to rotate to generate power, when the water flow impacts the fan blades, the small annular plate is driven to rotate, the connecting block slides in the arc-shaped groove, the spring is extruded and stretched, the impact force of the water flow is reduced under the action of the elastic force of the spring, the overlarge impact force of the water flow is prevented, the torsion of the main shaft is suddenly increased, and the main shaft suddenly rotates to cause violent impact on the power generation equipment so as to damage the power generation equipment, so that the power generation equipment is protected.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a water wheel for hydroelectric power generation according to the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure shown in FIG. 1;

FIG. 3 is a schematic top view of the annular web of FIG. 1;

fig. 4 is a schematic structural view of the annular fixing plate positioning rod shown in fig. 1.

Reference numbers in the figures: 1. the water turbine comprises a main shaft, 2, a water turbine mechanism, 21, a large annular plate, 22, a small annular plate, 23, fan blades, 24, an annular connecting plate, 25, a connecting block, 26, an arc-shaped groove, 27, a spring, 3, a connecting mechanism, 31, an annular fixing plate, 32, a sleeve plate, 33, a through hole, 34, a connecting groove, 35, a bolt, 36, a nut, 4, a positioning rod, 5, a positioning groove, 6 and a gasket.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a water wheel for hydroelectric power generation according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the partial cross-sectional structure shown in FIG. 1; FIG. 3 is a schematic top view of the annular web of FIG. 1; fig. 4 is a schematic structural view of the annular fixing plate positioning rod shown in fig. 1. A water wheel for hydroelectric power generation comprising: the device comprises a main shaft 1, a water wheel mechanism 2, a connecting mechanism 3, a positioning rod 4, a positioning groove 5 and a gasket 6.

In the specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, the turbine mechanism 2 is sleeved on the main shaft 1, the turbine mechanism 2 includes a large annular plate 21, a small annular plate 22, fan blades 23, an annular connecting plate 24, a connecting block 25, an arc-shaped groove 26 and a spring 27, the small annular plate 22 is located in the middle of the large annular plate 21, the fan blades 23 are fixedly connected between the large annular plate 21 and the small annular plate 22, the annular connecting plate 24 is located in the small annular plate 22, the connecting block 25 is fixedly connected to the outer side wall of the annular connecting plate 24, the arc-shaped groove 26 is opened on the inner wall of the small annular plate 22, the connecting block 25 is inserted in the arc-shaped groove 26 and connected to the inner wall of the arc-shaped groove 26 through the spring 27, during the installation and use of the water turbine in the device, the main shaft 1 is inserted into the annular connecting plate 24, the main shaft 1 is fixedly connected to the annular connecting plate, when rivers pass through from the space between big annular plate 21 and the little annular plate 22, rivers impact flabellum 23, thereby it rotates to drive water wheel mechanism 2, make main shaft 1 drive hydroelectric power generation equipment rotate and generate electricity, at the in-process of rivers impact flabellum 23, can drive little annular plate 22 and rotate, connecting block 25 slides in arc wall 26, extrude and tensile spring 27, under the elastic force effect of spring 27, the impact force to rivers slows down, prevent that the rivers impact force is too big, and make the abrupt grow of torsion of main shaft 1, main shaft 1 rotates suddenly and causes violent impact to power generation equipment and causes power generation equipment to damage, thereby protect power generation equipment.

Referring to fig. 2, the connecting mechanism 3 is fixedly sleeved on the main shaft 1, the connecting mechanism 3 includes an annular fixing plate 31, a sleeve plate 32, a through hole 33, a connecting groove 34, a bolt 35 and a nut 36, the annular fixing plate 31 and the sleeve plate 32 are respectively located at the upper end and the lower end of the annular connecting plate 24, the annular fixing plate 31 is fixedly sleeved on the main shaft 1, the sleeve plate 32 is sleeved on the main shaft 1, the through hole 33 is vertically arranged on the annular fixing plate 31 and the sleeve plate 32, the connecting groove 34 is vertically arranged in the annular connecting plate 24, the bolt 35 is arranged to penetrate through the through hole 33 and the connecting groove 34, the nut 36 is threadedly sleeved on the bolt 35, when the turbine 2 is connected with the main shaft 1, the main shaft 1 is inserted into the annular connecting plate 24, the through hole 33 on the annular fixing plate 31 and the sleeve plate 32 is aligned with the connecting groove 34 on the annular connecting plate 24, the bolt 35 is inserted into the through, the main shaft 1 is fixedly connected with the annular connecting plate 24, so that the connection and fixation between the water turbine mechanism 2 and the main shaft 1 are completed, which is a conventional connection mode.

Referring to fig. 3 and 4, one side wall of the annular fixing plate 31 close to the annular connecting plate 24 is fixedly connected with a positioning rod 4, and the side wall of the annular connecting plate 24 is provided with a positioning groove 5 matched with the positioning rod 4, so that the through hole 33 in the annular fixing plate 31 is aligned to the connecting groove 34 in the annular connecting plate 24 by setting the positioning rod 4 and the positioning groove 5, the water wheel mechanism 2 is convenient to install, and the working efficiency is improved.

Referring to fig. 2, the bolt 35 is sleeved with a gasket 6, and by arranging the gasket 6, the connection stability between the annular connecting plate 24 and the spindle 1 is improved.

Wherein, the surface of main shaft 1 and turbine 2 and coupling mechanism 3 all has sprayed waterproof paint, and the device can contact with water in the use, and waterproof paint's setting makes the device damage in order to prevent that rivers from corroding the device, has improved the life of device.

Wherein, the quantity of locating lever 4 and constant head tank 5 is two, and the setting of two locating levers 4 and two constant head tanks 5 is when guaranteeing to play the location effect, reduces the part quantity of positioning mechanism (locating lever 4 and constant head tank 5 constitute positioning mechanism) as far as.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A water wheel for hydroelectric power generation, comprising:

a main shaft (1);

a water wheel mechanism (2), the water wheel mechanism (2) is sleeved on the main shaft (1), the water wheel mechanism (2) comprises a large annular plate (21), a small annular plate (22), fan blades (23), an annular connecting plate (24), a connecting block (25), an arc-shaped groove (26) and a spring (27), wherein the small annular plate (22) is positioned in the middle of the large annular plate (21), the fan blades (23) are fixedly connected between the large annular plate (21) and the small annular plate (22), the annular connecting plate (24) is positioned in the small annular plate (22), and the connecting block (25) is fixedly connected on the outer side wall of the annular connecting plate (24), the arc-shaped groove (26) is arranged on the inner wall of the small annular plate (22), the connecting block (25) is inserted into the arc-shaped groove (26) and is connected with the inner wall of the arc-shaped groove (26) through the spring (27);

the connecting mechanism (3) is fixedly sleeved on the main shaft (1).

2. Water wheel for hydroelectric power generation according to claim 1, wherein the connection means (3) comprise an annular retaining plate (31), a jacket plate (32), a through hole (33), a connection groove (34), a bolt (35) and a nut (36), the annular fixing plate (31) and the sleeve plate (32) are respectively positioned at the upper end and the lower end of the annular connecting plate (24), and the annular fixing plate (31) is fixedly sleeved on the main shaft (1), the sleeve plate (32) is sleeved on the main shaft (1), the through hole (33) is vertically arranged on the annular fixing plate (31) and the sleeve plate (32), the connecting groove (34) is vertically arranged in the annular connecting plate (24), and the bolt (35) penetrates through the through hole (33) and the connecting groove (34), and the nut (36) is sleeved on the bolt (35) in a threaded manner.

3. The water wheel for hydroelectric power generation of claim 2, wherein a positioning rod (4) is fixedly connected to a side wall of the annular fixing plate (31) close to the annular connecting plate (24), and a positioning slot (5) matched with the positioning rod (4) is formed in the side wall of the annular connecting plate (24).

4. The water wheel for hydroelectric power generation of claim 2, wherein the bolt (35) is sleeved with a washer (6).

5. Water wheel for hydroelectric power generation according to claim 3, wherein the surfaces of the main shaft (1) and of the water wheel mechanism (2) and of the connection means (3) are coated with a waterproof paint.

6. Water wheel for hydroelectric power generation according to claim 3, wherein the positioning bars (4) and the positioning slots (5) are each two in number.