CN213928621U

CN213928621U - Water wheel opening speed regulation structure of small and medium hydroelectric power station

Info

Publication number: CN213928621U
Application number: CN202023033746.2U
Authority: CN
Inventors: 庄如许
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-10
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a medium and small hydroelectric power station water wheels aperture speed governing structure, including control box, transmission lead screw, driving motor and heating panel, be equipped with the transmission lead screw in the control box, the one end of transmission lead screw extends to outside the control box, just the transmission lead screw is located the outside terminal surface welded fastening of control box and has the carousel, there is the supporting shoe through the bolt fastening in the control box, and the surface of supporting shoe has driving motor through the bolt fastening, driving motor's output shaft outer welded fastening has the adjusting gear who meshes with the transmission lead screw mutually, the radiating groove has been seted up to one side outer wall of control box, one side outer wall of control box is equipped with the heating panel, the surface of control box has the rotating electrical machines through the bolt fastening, it is connected with accommodate the lead screw to rotate through the welded bearing in the control box. This middle and small hydroelectric power station waterwheel aperture speed governing structure not only can carry out the speed governing voluntarily, can also carry out the automation to the heating panel and clear up.

Description

Water wheel opening speed regulation structure of small and medium hydroelectric power station

Technical Field

The utility model belongs to the technical field of automatic control, concretely relates to medium and small hydroelectric power station water wheels aperture speed governing structure.

Background

Hydroelectric power generation is a process of utilizing water flow with potential energy at high positions such as rivers and lakes to flow to low positions, converting the potential energy contained in the water flow into kinetic energy of a water turbine, and then using the water turbine as motive power to drive a generator to generate electric energy. The basic principle of hydroelectric generation is that the water level difference is utilized to be matched with a hydraulic generator set to generate electric power, namely, the potential energy of water is converted into the mechanical energy of a water wheel, and then the mechanical energy is used for driving a generator to obtain the electric power. Scientists use the natural condition of the water head to effectively utilize the hydraulic engineering, the mechanical physics and the like to elaborately match to achieve the highest generated energy, so that the scientists can use cheap and pollution-free electric power.

The control of the traditional water turbine guide vane opening is mainly completed manually, when a generator is started to work, firstly, a power generation operator manually rotates a manual wheel disc to enable the water turbine guide vane to be opened to a certain position, then the manual wheel disc is manually rotated uninterruptedly for many times after voltage is successfully established to adjust the opening of the water turbine guide vane, and therefore successful grid-connected power transmission of the whole working process of the generator is guaranteed in a matching mode. The whole process is manually adjusted by personnel, and when the unit is started and the active power is output, the adjustment and weighing are completed, the response speed is low, the efficiency is low, and the fluctuation of a power grid is high.

Therefore, aiming at the current situation, the design and production of the water wheel opening speed regulating structure of the medium and small hydroelectric power station are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well hydroelectric power station water wheels aperture speed governing structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water wheel opening degree speed regulation structure of a medium and small hydroelectric power station comprises a control box, a transmission screw rod, a driving motor and a heat dissipation plate, a transmission screw rod is arranged in the control box, one end of the transmission screw rod extends out of the control box, and the end surface of the transmission screw rod positioned outside the control box is fixedly welded with a turntable, a supporting block is fixed in the control box through a bolt, a driving motor is fixed on the surface of the supporting block through a bolt, an adjusting gear meshed with the transmission screw rod is welded and fixed outside an output shaft of the driving motor, a heat dissipation groove is formed in the outer wall of one side of the control box, the outer wall of one side of the control box is provided with a heat radiation plate, the surface of the control box is fixed with a rotating motor through a bolt, and the inside of the control box is rotatably connected with an adjusting screw rod through a welded bearing, and the adjusting screw rod is fixedly connected with an output shaft of the rotating motor through a coupler.

Preferably, accommodate the lead screw's outside threaded connection has the guide post, the mounting groove has been seted up to a side end face that the guide post is close to the heating panel, welded fastening has supporting spring in the mounting groove of guide post, supporting spring's opposite side welded fastening has the support column, the support column slides in the mounting groove of guide post, another side end face of support column passes through the bolt fastening and has the cleaning plate.

Preferably, the left side outer wall of heating panel is fixed with two spliced poles through the bolt symmetry, two mounting holes have been seted up to the outer wall symmetry of spliced pole, fixed spring has been placed in the mounting hole of spliced pole, fixed spring's both sides all bond and are fixed with the fixed pin, two connecting holes have been seted up to the right side outer wall symmetry of control box, the spliced pole is pegged graft in the connecting hole of control box, and two fixed orificess have been seted up to the control box internal symmetry on both sides about the connecting hole, the fixed pin is pegged graft in the fixed orifices of control box.

Preferably, a limiting column is welded and fixed in the control box, and the guide column slides outside the limiting column.

Preferably, a protective cover is fixed on the surface of the control box through a bolt, and the protective cover is sleeved outside the rotating motor.

The utility model discloses a technological effect and advantage: according to the water turbine opening degree speed regulating structure of the medium and small hydroelectric power station, the driving motor drives the regulating gear to rotate, the regulating gear drives the transmission screw rod to rotate, and then the opening degree of the guide vane of the water turbine can be automatically regulated through the transmission screw rod; the adjusting screw rod is driven to rotate by the rotating motor, the adjusting screw rod drives the guide post to move up and down in the control box, so that the cleaning plate moves up and down in the control box, the heat dissipation plate can be effectively cleaned through the cleaning plate, and the heat dissipation effect of the control box is ensured; the cleaning plate can be effectively supported through the supporting springs, the cleaning plate is guaranteed to be attached to the heat dissipation plate all the time, and the water wheel opening speed regulation structure of the small and medium hydropower station can automatically regulate the speed and can automatically clean the heat dissipation plate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the heat dissipating plate of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a control box 1, a transmission screw rod 2, a rotary table 3, a driving motor 4, an adjusting gear 5, a heat dissipation plate 6, a rotating motor 7, an adjusting screw rod 8, a limiting column 9, a guide column 10, a supporting spring 11, a supporting column 12, a cleaning plate 13, a connecting column 14, a fixing spring 15, a fixing pin 16 and a protective cover 17.

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.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a as shown in fig. 1-4 medium and small hydroelectric power station water wheels aperture speed governing structure, including control box 1, transmission lead screw 2, driving motor 4 and heating panel 6, be equipped with transmission lead screw 2 in the control box 1, the one end of transmission lead screw 2 extends to outside the control box 1, just transmission lead screw 2 is located the outside terminal surface welded fastening of control box 1 and has carousel 3, there is the supporting shoe through the bolt fastening in the control box 1, and the surface of supporting shoe has driving motor 4 through the bolt fastening, driving motor 4's model can select to be: 86BYG two-phase step motor, the outer welded fastening of output shaft of driving motor 4 has adjusting gear 5 with the meshing of drive screw 2 mutually, the radiating groove has been seted up to one side outer wall of control box 1, one side outer wall of control box 1 is equipped with heating panel 6, the surface of control box 1 is fixed with rotating electrical machines 7 through the bolt, the model of rotating electrical machines 7 can be selected: the control box comprises a 86BYG two-phase stepping motor, wherein an adjusting screw rod 8 is rotatably connected in the control box 1 through a welded bearing, and the adjusting screw rod 8 is fixedly connected with an output shaft of a rotating motor 7 through a coupler.

Specifically, accommodate the lead screw 8's outside threaded connection has guide post 10, the mounting groove has been seted up to a side end face that guide post 10 is close to heating panel 6, welded fastening has supporting spring 11 in the mounting groove of guide post 10, supporting spring 11's opposite side welded fastening has support column 12, support column 12 slides in the mounting groove of guide post 10, another side end face of support column 12 passes through the bolt fastening and has cleaning plate 13.

Specifically, the left side outer wall of heating panel 6 is fixed with two spliced poles 14 through the bolt symmetry, two mounting holes have been seted up to spliced pole 14's outer wall symmetry, fixed spring 15 has been placed in spliced pole 14's the mounting hole, fixed spring 15's both sides all bond and are fixed with fixed pin 16, two connecting holes have been seted up to control box 1's right side outer wall symmetry, spliced pole 14 pegs graft in control box 1's connecting hole, and two fixed orificess have been seted up to the control box 1 internal symmetry of both sides about the connecting hole, fixed pin 16 pegs graft in control box 1's fixed orifices.

Specifically, a limiting column 9 is welded and fixed in the control box 1, and the guide column 10 slides outside the limiting column 9.

Specifically, a protective cover 17 is fixed on the surface of the control box 1 through a bolt, and the protective cover 17 is sleeved outside the rotating motor 7.

The theory of operation, this middle and small hydroelectric power station water wheels aperture speed governing structure, when using, when the aperture to the hydraulic turbine stator needs to be adjusted, start driving motor 4, driving motor 4 drives adjusting gear 5 and rotates, adjusting gear 5 drives transmission lead screw 2 and rotates, and then can adjust the aperture of hydraulic turbine stator automatically through transmission lead screw 2, at driving motor 4 during operation, dispel the heat through heating panel 6, start rotating electrical machines 7 simultaneously, rotating electrical machines 7 drives adjusting lead screw 8 and rotates, adjusting lead screw 8 drives guide post 10 and reciprocates in control box 1, guide post 10 drives cleaning plate 13 through support column 12 and reciprocates in control box 1, carry out effectual clearance through cleaning plate 13 to heating panel 6, guarantee control box 1's radiating effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a well hydroelectric power station waterwheel aperture speed governing structure, includes control box (1), transmission lead screw (2), driving motor (4) and heating panel (6), its characterized in that: a transmission screw rod (2) is arranged in the control box (1), one end of the transmission screw rod (2) extends out of the control box (1), and the end surface of the transmission screw rod (2) positioned outside the control box (1) is fixedly welded with a turntable (3), a supporting block is fixed in the control box (1) through a bolt, a driving motor (4) is fixed on the surface of the supporting block through a bolt, an adjusting gear (5) meshed with the transmission screw rod (2) is welded and fixed outside an output shaft of the driving motor (4), the outer wall of one side of the control box (1) is provided with a heat dissipation groove, the outer wall of one side of the control box (1) is provided with a heat dissipation plate (6), a rotary motor (7) is fixed on the surface of the control box (1) through bolts, an adjusting screw rod (8) is rotatably connected in the control box (1) through a welded bearing, and the adjusting screw rod (8) is fixedly connected with an output shaft of the rotating motor (7) through a coupler.

2. The water wheel opening degree speed regulating structure of the medium and small hydroelectric power station according to claim 1, characterized in that: the outside threaded connection of accommodate the lead screw (8) has guide post (10), the mounting groove has been seted up to guide post (10) near a side end face of heating panel (6), welded fastening has supporting spring (11) in the mounting groove of guide post (10), the opposite side welded fastening of supporting spring (11) has support column (12), support column (12) slide in the mounting groove of guide post (10), the opposite side terminal surface of support column (12) passes through the bolt fastening and has cleaning plate (13).

3. The water wheel opening degree speed regulating structure of the medium and small hydroelectric power station according to claim 1, characterized in that: the left side outer wall of heating panel (6) is fixed with two spliced poles (14) through the bolt symmetry, two mounting holes have been seted up to the outer wall symmetry of spliced pole (14), fixed spring (15) have been placed in the mounting hole of spliced pole (14), the both sides of fixed spring (15) all bond and are fixed with fixed pin (16), two connecting holes have been seted up to the right side outer wall symmetry of control box (1), spliced pole (14) are pegged graft in the connecting hole of control box (1), and two fixed orificess have been seted up to the control box (1) internal symmetry of both sides about the connecting hole, fixed pin (16) are pegged graft in the fixed orifices of control box (1).

4. The water wheel opening degree speed regulating structure of the medium and small hydroelectric power station according to claim 2, characterized in that: a limiting column (9) is fixedly welded in the control box (1), and the guide column (10) slides outside the limiting column (9).

5. The water wheel opening degree speed regulating structure of the medium and small hydroelectric power station according to claim 1, characterized in that: the surface of the control box (1) is fixed with a protective cover (17) through a bolt, and the protective cover (17) is sleeved outside the rotating motor (7).