Water wheel guide vane with hardened surface

Abstract

The utility model discloses a surface hardened water wheel guide vane which comprises a water wheel shell, a hardened water wheel guide vane body is arranged in the water wheel shell, a rotating shaft for angle adjustment vertically penetrates through the front end of the hardened water wheel guide vane body, and the upper end face of the rotating shaft for angle adjustment is connected with a metal shell with a T-shaped section. A supporting plate is connected to the outer side of the end of the bottom of the metal shell with the T-shaped section through a roller bearing, and a supporting rod vertically penetrating through the end of the rear portion of the hardened water wheel guide vane is fixedly arranged on one side of the lower end face of the supporting plate. A stepping motor is fixedly installed in the metal shell with the T-shaped section. The fixing device has the advantages that the supporting rod vertically penetrating through the rear end of the water wheel guide vane can be fixed, the overall impact strength of the hardened water wheel guide vane can be improved by fixing the supporting rod, and therefore the possibility of slipping between the hardened water wheel guide vane and a rotating shaft for angle adjustment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water wheel technical field, concretely is a kind of surface hardening's water wheel guide vane. BACKGROUND

[0002] Water wheel is a kind of equipment using water flow energy to drive mechanical device, it is mainly applied to convert water energy into mechanical energy, and then convert into electric energy by generator. Water turbine can be divided into two categories according to working principle: impulse water turbine and counterattack water turbine;

[0003] Water wheel guide vane is a kind of equipment that guides water flow to enter runner in necessary direction, forms a certain speed moment, to ensure that water turbine has good hydraulic characteristics, simultaneously guide vane can also adjust the flow of water turbine according to the load variation of unit, to achieve the purpose of changing the output power of water turbine, and when producing water wheel guide vane, two composite coating layers are sprayed on the outer surface of water wheel guide vane, to form a coating protective layer on the outer surface of water wheel guide vane, prevent it from being abraded because of long-time scouring of silt in water flow in the process of use, and such water wheel guide vane can be called a kind of surface hardening's water wheel guide vane.

[0004] But water wheel guide vane is adjusted by angle adjusting shaft to adjust the angle of itself, when using this water wheel guide vane to guide water flow direction, itself is always in a state of being constantly impacted by water flow, when water wheel guide vane works in this state for a long time, the connection between itself and angle adjusting shaft can be slippage, to cause the angle of water wheel guide vane to be wrong;Therefore, it does not meet the existing demand, for this, we propose a kind of surface hardening's water wheel guide vane. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of surface hardening's water wheel guide vane to solve the problem that water wheel guide vane is adjusted by angle adjusting shaft to adjust the angle of itself in the above background art, when using this water wheel guide vane to guide water flow direction, itself is always in a state of being constantly impacted by water flow, when water wheel guide vane works in this state for a long time, the connection between itself and angle adjusting shaft can be slippage, to cause the angle of water wheel guide vane to be wrong and other problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of surface hardening's water wheel guide vane, including water turbine shell, the inside of water turbine shell is equipped with hardening water wheel guide vane, the front end of hardening water wheel guide vane is vertically penetrated by angle adjustment pivot, the upper end surface of angle adjustment pivot is connected with section T-shaped metal shell, the outside of the bottom end of section T-shaped metal shell is connected with support plate by roller bearing, the lower end surface of support plate is fixed with support rod vertically penetrating the rear end of hardening water wheel guide vane on one side;

[0007] The inside of the cross section T-shaped metal shell is fixedly provided with a stepping motor, an output shaft of the stepping motor is connected with a threaded lifting rod through a shaft coupling, the upper side of the outer surface of the threaded lifting rod is connected with a circular lifting plate through a threaded structure, a plurality of push rods are arranged below the circular lifting plate, the lower end surface of the push rod is an inclined surface, a fixed block is arranged below the inclined surface, and the outer side of the plurality of fixed blocks is provided with a rubber ring fixed to the inside of the cross section T-shaped metal shell.

[0008] Preferably, the lower end surface of the supporting rod is fixedly provided with a metal ball, the outer side of the metal ball is provided with an arc-shaped sliding rail located on the inner wall of the water turbine shell, and the metal ball and the arc-shaped sliding rail are slidably connected.

[0009] Preferably, the outer surface of the circular lifting plate is attached to the inner wall of the cross section T-shaped metal shell, and the front and rear end surfaces of the circular lifting plate are slidably connected with the inside of the cross section T-shaped metal shell.

[0010] Preferably, the surface of the fixed block facing the rubber ring is provided with a plurality of anti-skid stripes, and the fixed block and the cross section T-shaped metal shell are slidably connected.

[0011] Preferably, one side of the lower end surface of the fixed block is fixedly provided with a sliding block slidably connected with the cross section T-shaped metal shell, and the surface of the sliding block facing the rubber ring is connected with a spring.

[0012] Preferably, the bottom end of the threaded lifting rod is located in the inside of the cross section T-shaped metal shell, and the threaded lifting rod located in the inside of the cross section T-shaped metal shell is connected with the cross section T-shaped metal shell through a roller bearing.

[0013] Preferably, the upper side of the stepping motor is provided with a metal cover plate located on the outer surface of the water turbine shell, and the water turbine shell and the metal cover plate are fixed through screws.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a front end of hardening water guide vane is penetrated by angle adjusting pivot, the angle of whole hardening water guide vane can be adjusted through angle adjusting pivot, when hardening water guide vane rotates with angle adjusting pivot as the center, the support rod that vertically penetrates the rear end of hardening water guide vane will revolve with angle adjusting pivot as the center synchronously, the upper end surface of support rod is fixedly connected with the support plate that is connected with cross section T shape metal shell through roller bearing between its front end and rear end, the stepping motor in cross section T shape metal shell can make the fixed block in multiple synchronous outward movement, and the fixed block of outward movement will contact the rubber ring fixed in the inside of support plate, so as to fix it, when the rubber ring is fixed, the support rod connected between them will also be fixed in the current position with it, the impact resistance of whole hardening water guide vane itself can be improved through the support rod that vertically penetrates the rear end of hardening water guide vane and is fixed, the possibility of slipping between hardening water guide vane and angle adjusting pivot can be reduced through the above technical scheme.

[0016] 2. The utility model discloses a lower end surface of support rod is fixed with the metal ball of sliding connection in the inside of arc slide rail, the bottom end of support rod can be supported through the metal ball, so as to prevent the bottom end of support rod from producing deviation between the top end of support rod because of the impact of water flow. DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the internal structure front view of the utility model;

[0019] Figure 3 It is the utility model Figure 2 The structure enlarged view of A place in;

[0020] Figure 4 It is the utility model Figure 3 The structure enlarged view of B place.

[0021] In the drawing: 1, water turbine shell; 2, hardening water guide vane; 3, angle adjusting pivot; 4, arc slide rail; 5, metal ball; 6, support rod; 7, support plate; 8, cross section T shape metal shell; 9, stepping motor; 10, threaded lifting rod; 11, circular lifting plate; 12, inclined plane; 13, fixed block; 14, rubber ring; 15, sliding block; 16, spring; 17, push rod. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] The water turbine shell 1 (model PUN200), threaded lifting rod 10 (model M10) and metal ball 5 (model 304) mentioned in the present utility model can be obtained by market purchase or private customization.

[0024] As shown in Figure 2 , Figure 3 and Figure 4 , the present utility model provides an embodiment: a surface-hardened water guide vane, comprising a water turbine shell 1, the inside of the water turbine shell 1 is provided with a hardened water guide vane 2, the front end of the hardened water guide vane 2 is vertically penetrated by an angle-adjusting shaft 3, the upper end surface of the angle-adjusting shaft 3 is connected with a cross-section T-shaped metal shell 8, the outside of the bottom end of the cross-section T-shaped metal shell 8 is connected with a support plate 7 through a roller bearing, one side of the lower end surface of the support plate 7 is fixedly provided with a support rod 6 vertically penetrating the rear end of the hardened water guide vane 2;

[0025] The inside of the cross-section T-shaped metal shell 8 is fixedly installed with a stepping motor 9, the output shaft of the stepping motor 9 is connected with a threaded lifting rod 10 through a shaft coupling, the upper side of the outer surface of the threaded lifting rod 10 is connected with a circular lifting plate 11 through a threaded structure, the lower side of the circular lifting plate 11 is provided with a plurality of push rods 17, the lower end surface of the push rod 17 is an inclined surface 12, the lower side of the inclined surface 12 is provided with a fixed block 13, the outside of the plurality of fixed blocks 13 is provided with a rubber ring 14 fixed in the inside of the cross-section T-shaped metal shell 8; the front end of the hardened water guide vane 2 is penetrated by the angle-adjusting shaft 3, the angle of the whole hardened water guide vane 2 can be adjusted through the angle-adjusting shaft 3, when the hardened water guide vane 2 rotates around the angle-adjusting shaft 3 as the center, the support rod 6 vertically penetrating the rear end of the hardened water guide vane 2 will revolve around the angle-adjusting shaft 3 as the center synchronously, the upper end surface of the support rod 6 is fixedly connected with a support plate 7 connected with the cross-section T-shaped metal shell 8 through a roller bearing, the support plate 7 will rotate synchronously in the process of rotation of the support rod 6, when the angle adjustment of the hardened water guide vane 2 is completed, the stepping motor 9 is started, the threaded lifting rod 10 connected with the stepping motor 9 can be rotated through the stepping motor 9;

[0026] The outer surface of the circular lifting plate 11 is attached to the inner wall of the cross-section T-shaped metal shell 8, and the front and rear end surfaces of the circular lifting plate 11 are slidably connected to the inside of the cross-section T-shaped metal shell 8. Since the front and rear end surfaces of the circular lifting plate 11 are slidably connected to the cross-section T-shaped metal shell 8, the circular lifting plate 11 cannot rotate by itself. When the threaded lifting rod 10 rotates, the circular lifting plate 11, which is threadedly connected to the threaded lifting rod 10 but cannot rotate by itself, will move up and down with it. At this time, the circular lifting plate 11 moves downward, and the circular lifting plate 11 moving downward will contact the push rod 17 and push the push rod 17 downward. As the push rod 17 descends, the inclined surface 12 at the lower end surface of the push rod 17 will contact the fixed block 13 and push the fixed block 13 outward. As the fixed block 13 moves, the fixed block 13 will contact the rubber ring 14 fixed inside the support plate 7 to fix it. When the rubber ring 14 is fixed, the support rod 6 connected to the rubber ring 14 will also be fixed at the current position. The support rod 6, which penetrates vertically through the hardened water guide vane 2 and is fixed, can improve the overall impact resistance of the hardened water guide vane 2. Through this embodiment, the possibility of slipping between the hardened water guide vane 2 and the angle adjustment shaft 3 can be reduced.

[0027] As a preferred technical solution of the present embodiment, as shown in Figure 2 The lower end surface of the support rod 6 is fixedly provided with a metal ball 5, the outer side of the metal ball 5 is provided with an arc-shaped sliding rail 4 located in the inner wall of the water turbine shell 1, and the metal ball 5 is slidably connected to the arc-shaped sliding rail 4. The lower end surface of the support rod 6 is fixedly provided with a metal ball 5 slidably connected to the inside of the arc-shaped sliding rail 4. The metal ball 5 can support the bottom end of the support rod 6 to prevent the bottom end of the support rod 6 from deviating from the top end of the support rod 6 due to the impact of the water flow.

[0028] As a preferred technical solution of the present embodiment, as shown in Figure 4 The surface of the fixed block 13 facing the rubber ring 14 is provided with a plurality of anti-skid stripes, and the fixed block 13 is slidably connected to the cross-section T-shaped metal shell 8. The anti-skid stripes can enhance the friction between the fixed block 13 and the rubber ring 14.

[0029] One side of the lower end surface of the fixed block 13 is fixedly provided with a sliding block 15 slidably connected to the cross-section T-shaped metal shell 8, and the surface of the sliding block 15 facing the rubber ring 14 is connected with a spring 16. When the fixed block 13 is pushed outward, the sliding block 15 fixed thereto will move outward together and press the spring 16. When it is necessary to release the fixation of the support plate 7, the threaded lifting rod 10 connected to the stepping motor 9 is reversely rotated to move the circular lifting plate 11 upward. With the upward movement of the circular lifting plate 11 and the reaction force of the compressed spring 16, the fixed block 13 can be pushed inward to release the fixation of the rubber ring 14.

[0030] As the preferred technical scheme of the embodiment, as shown in Figure 3 The bottom end of the threaded lifting rod 10 is located inside the cross-section T-shaped metal shell 8, and the threaded lifting rod 10 inside the cross-section T-shaped metal shell 8 is connected with the cross-section T-shaped metal shell 8 through a roller bearing; the roller bearing structure between the threaded lifting rod 10 and the cross-section T-shaped metal shell 8 improves the stability of the threaded lifting rod 10 as a whole, and prevents it from tilting due to rotation.

[0031] The upper part of the stepping motor 9 is provided with a metal cover plate located on the outer surface of the water turbine shell 1, and the water turbine shell 1 and the metal cover plate are fixed through screws; the metal cover plate can protect the cross-section T-shaped metal shell 8.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A surface-hardened hydraulic turbine vane comprising a hydraulic turbine casing (1), characterized in that: The inside of the water turbine shell (1) is provided with a hardened water guide vane (2), the front end of the hardened water guide vane (2) is vertically penetrated by an angle adjusting shaft (3), the upper end surface of the angle adjusting shaft (3) is connected with a cross-section T-shaped metal shell (8), the outer side of the bottom end of the cross-section T-shaped metal shell (8) is connected with a support plate (7) through a roller bearing, and one side of the lower end surface of the support plate (7) is fixedly provided with a support rod (6) vertically penetrating the rear end of the hardened water guide vane (2). The inside of the cross-section T-shaped metal shell (8) is fixedly installed with a stepping motor (9), the output shaft of the stepping motor (9) is connected with a threaded lifting rod (10) through a shaft coupling, the outer surface of the threaded lifting rod (10) is connected with a circular lifting plate (11) through a threaded structure on the upper side, the lower side of the circular lifting plate (11) is provided with a plurality of push rods (17), the lower end surface of the push rod (17) is an inclined surface (12), the lower side of the inclined surface (12) is provided with a fixed block (13), and the outer side of the plurality of fixed blocks (13) is provided with a rubber ring (14) fixed in the inside of the cross-section T-shaped metal shell (8).

2. A surface-hardened water turbine vane according to claim 1, characterized in that: The lower end surface of the support rod (6) is fixedly provided with a metal ball (5), the outer side of the metal ball (5) is provided with an arc-shaped sliding rail (4) located on the inner wall of the water turbine shell (1), and the metal ball (5) and the arc-shaped sliding rail (4) are slidably connected.

3. The surface-hardened water turbine vane of claim 1, wherein: The outer surface of the circular lifting plate (11) is attached to the inner wall of the cross-section T-shaped metal shell (8), and the front and rear end surfaces of the circular lifting plate (11) are slidably connected with the inside of the cross-section T-shaped metal shell (8).

4. The surface-hardened water turbine vane of claim 1, wherein: The surface of the fixed block (13) facing the rubber ring (14) is provided with a plurality of anti-skid stripes, and the fixed block (13) is slidably connected with the cross-section T-shaped metal shell (8).

5. The surface-hardened water turbine vane of claim 1, wherein: One side of the lower end surface of the fixed block (13) is fixedly provided with a sliding block (15) slidably connected with the cross-section T-shaped metal shell (8), and the surface of the sliding block (15) facing the rubber ring (14) is connected with a spring (16).

6. The surface-hardened water turbine vane of claim 1, wherein: The bottom end of the threaded lifting rod (10) is located in the inside of the cross-section T-shaped metal shell (8), and the threaded lifting rod (10) located in the inside of the cross-section T-shaped metal shell (8) is connected with the cross-section T-shaped metal shell (8) through a roller bearing.

7. The surface hardened water turbine vane of claim 1 wherein: The upper side of the stepping motor (9) is provided with a metal cover plate located on the outer surface of the water turbine shell (1), and the water turbine shell (1) and the metal cover plate are fixedly connected through screws.

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