CN209761609U

CN209761609U - Nozzle device of impulse turbine

Info

Publication number: CN209761609U
Application number: CN201920525189.4U
Authority: CN
Inventors: 周润生; 郭国强
Original assignee: HUNAN SUNNY HYDROPOWER EQUIPMENT Corp
Current assignee: HUNAN SUNNY HYDROPOWER EQUIPMENT Corp
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2019-12-10
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses an impulse turbine nozzle device relates to hydroelectric power generation technical field, including the hydraulic turbine body, the lower extreme welding of hydraulic turbine body has the base, and the left side of hydraulic turbine body runs through there is the inlet tube, the left side of inlet tube runs through there is the regulating spindle, and the right downside of inlet tube is provided with the impurity collecting box, the right-hand member welding of inlet tube has the nozzle. The utility model relates to a novelty, filter the water in the intake pipe through the filter screen, prevent that the solid impurity that the aquatic contains from colliding with the runner, the life of runner has been increased, make in the solid impurity gets into the impurity collecting box through the impurity entry, so that carry out centralized processing to impurity, the edulcoration function of the device has been increased promptly, and rotate adjusting handle and pass through the regulating spindle and drive the regulating block and control about the inlet tube is inside, so that the size of adjusting nozzle rivers, the device rivers size regulatory function has been increased.

Description

Nozzle device of impulse turbine

Technical Field

the utility model belongs to the technical field of hydroelectric power generation, specifically be impulse turbine nozzle device.

Background

The impulse turbine is a hydraulic prime mover which leads out free jet with kinetic energy by means of a special water guide mechanism, and the free jet impacts a runner bucket to enable a runner to rotate to do work, so that hydraulic energy is converted into mechanical energy. The impulse turbine is suitable for high-head and small-flow power stations, converts water from a pressure pipeline into high-speed jet flow through a nozzle, tangentially impacts a rotating wheel to push the rotating wheel to rotate, and then drives a generator rotor to rotate to generate electricity.

the nozzle device of the impulse turbine in the prior art does not have the impurity removal function, and the solid impurities which cause high-speed motion in water collide with the rotating wheel, so that the rotating wheel in the turbine is greatly influenced, the service life of the rotating wheel is shortened, the rotating wheel needs to be frequently replaced, and manpower and material resources are greatly wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the nozzle device for solving the problem that the nozzle device for the impulse water turbine in the prior art does not have an impurity removal function, so that solid impurities moving at high speed in water collide with the rotating wheel, the rotating wheel in the impulse water turbine is greatly influenced, the service life of the rotating wheel is shortened, the rotating wheel needs to be frequently replaced, manpower and material resources are greatly wasted, and the nozzle device for the impulse water turbine is provided.

The utility model adopts the technical scheme as follows:

An impulse type water turbine nozzle device comprises a water turbine body, wherein a base is welded at the lower end of the water turbine body, a water inlet pipe penetrates through the left side of the water turbine body, a main shaft penetrates through the middle of the front surface of the water turbine body, a rotating wheel is arranged in the middle of the inside of the water turbine body, a bolt hole is formed in the right front side of the base, an adjusting shaft penetrates through the left side of the water inlet pipe, an impurity collecting box is arranged on the lower right side of the water inlet pipe, a nozzle is welded at the right end of the water inlet pipe, a shaft sleeve is arranged in the middle of the inside of the water inlet pipe, a filter screen is arranged on the right side of the inside of the water inlet pipe, an adjusting hand wheel is welded at the left end of the adjusting shaft, an adjusting block is welded at the right end, the right end of the nozzle is provided with a through hole, and the outer surface of the shaft sleeve is welded with a connecting frame.

Wherein, the bolt hole is provided with four, and is in the four angles departments of base in proper order.

The middle of the main shaft and the rotating wheel are connected in an interference fit mode.

The adjusting device comprises an adjusting shaft, a water inlet pipe, a through hole, a regulating block and a regulating block, wherein threads are arranged on the left side of the outer surface of the regulating shaft, threads are arranged on the part, in contact with the regulating shaft, of the water inlet pipe, the diameter of the right end of the regulating block is smaller than that of the through hole, and the diameter of the left end of the regulating block is larger than that.

The outer surface of the shaft sleeve is connected with the inner surface of the water inlet pipe in a welding mode through the connecting frame, and the shaft sleeve is connected with the adjusting shaft in a clearance fit mode.

The impurity collecting box is communicated with the water inlet pipe through an impurity inlet, the right side of the impurity inlet is located below the left surface of the filter screen, the number of the fixing screws is two, the fixing screws are located on the right side and the left side of the door body respectively, and the door body is connected with the impurity collecting box through the two fixing screws.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. The utility model discloses in, the impurity that contains in with the aquatic of intaking through the filter screen blocks in the left side of filter screen, has filtered water, prevents that the solid impurity that the aquatic contains from colliding with the runner, plays the guard action to the runner, has increased the life of runner.

2. The utility model discloses in, make the left solid impurity of filter screen get into impurity collecting box through the impurity entry in, the rotatory fixed screw of rethread removes being connected of impurity collecting box and the door body, can carry out centralized processing to impurity, has increased the device's edulcoration function promptly.

3. The utility model discloses in, drive the regulating spindle through rotating adjusting hand wheel and use its self axle direction to rotate as the centre of a circle, the regulating spindle drives the regulating block and removes about the inlet tube is inside to the size of adjusting nozzle rivers has increased the device rivers size regulatory function.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

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

FIG. 3 is an enlarged view of A of the present invention;

Fig. 4 is an enlarged view of B of the present invention.

The labels in the figure are: 1. a water turbine body; 2. a base; 3. a water inlet pipe; 4. a main shaft; 5. bolt holes; 6. an adjustment shaft; 7. an impurity collecting box; 8. adjusting a hand wheel; 9. a rotating wheel; 10. a nozzle; 11. a shaft sleeve; 12. a filter screen; 13. a connecting frame; 14. an adjusting block; 15. a through hole; 16. a door body; 17. an impurity inlet; 18. and fixing the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the impulse turbine nozzle device comprises a turbine body 1, a base 2 welded to the lower end of the turbine body 1, a water inlet pipe 3 penetrating through the left side of the turbine body 1, a main shaft 4 penetrating through the middle of the front surface of the turbine body 1, a runner 9 arranged in the middle of the interior of the turbine body 1, a bolt hole 5 opened on the right front side of the base 2, an adjusting shaft 6 penetrating through the left side of the water inlet pipe 3, an impurity collecting box 7 arranged on the right lower side of the water inlet pipe 3, a nozzle 10 welded to the right end of the water inlet pipe 3, a shaft sleeve 11 arranged in the middle of the interior of the water inlet pipe 3, a filter screen 12 arranged on the right side of the interior of the water inlet pipe 3, an adjusting hand wheel 8 welded to the left end of the adjusting shaft 6, an adjusting block 14 welded to the right end of the adjusting shaft, the right side of the door body 16 is provided with a fixing screw 18, the right end of the nozzle 10 is provided with a through hole 15, and the outer surface of the shaft sleeve 11 is welded with a connecting frame 13.

Further, the bolt holes 5 are four and are sequentially arranged at four corners of the base 2, and the device is more stably installed through the four bolt holes 5.

furthermore, the main shaft 4 is connected with the rotating wheel 9 in an interference fit mode, and the main shaft 4 is connected with the rotating wheel 9 in the interference fit mode, so that the working stability of the device is improved.

Furthermore, the left side of the outer surface of the adjusting shaft 6 is provided with threads, the part of the water inlet pipe 3 contacting with the adjusting shaft 6 is provided with threads, the diameter of the right end of the adjusting block 14 is smaller than that of the through hole 15, the diameter of the left end of the adjusting block 14 is larger than that of the through hole 15, the adjusting shaft 6 is rotated to enable the adjusting block to move left and right, the adjusting shaft 6 drives the adjusting block 14 to move left and right inside the water inlet pipe 3, so that the size of water flow of the nozzle 10 can be adjusted, and the water flow size adjusting function of the device is increased.

Further, the surface of axle sleeve 11 and the inside surface of inlet tube 3 pass through link 13 welded connection, and axle sleeve 11 and regulating spindle 6 are connected through clearance fit, play the supporting role to regulating spindle 6 through axle sleeve 11, the steadiness when having increased regulation regulating spindle 6, and be connected through axle sleeve 11 and 6 clearance fit of regulating spindle, reduced the friction between axle sleeve 11 and the regulating spindle 6, increased the life of regulating spindle 6.

Further, impurity collecting box 7 and inlet tube 3 pass through impurity entry 17 intercommunication, and the right side of impurity entry 17 is in the below of filter screen 12 left surface, and fixed screw 18 is provided with two, and is in the right side and the left side of the door body 16 respectively, and the door body 16 is connected through two fixed screw 18 with impurity collecting box 7, makes the left solid impurity of filter screen 12 get into impurity collecting box 7 in through impurity entry 17, has increased the device's edulcoration function promptly.

the working principle is as follows: in the use process, water in the water inlet pipe 3 acts on the rotating wheel 9 through the through hole 15 arranged at the right end of the nozzle 10 to drive the rotating wheel 9 to rotate by taking the self axial direction as the center of a circle, the rotating wheel 9 drives the main shaft 4 to rotate for power generation, the water in the water inlet pipe 3 blocks impurities contained in the water on the left side of the filter screen 12 through the action of the filter screen 12 to filter the water, the solid impurities contained in the water are prevented from colliding with the rotating wheel 9, the rotating wheel 9 is protected, the service life of the rotating wheel 9 is prolonged, the solid impurities on the left side of the filter screen 12 enter the impurity collecting box 7 through the impurity inlet 17, the connection between the impurity collecting box 7 and the door body 16 is removed through the rotating fixing screw 18, the impurities can be intensively treated, namely, the impurity removing function of the device is increased, the adjusting hand wheel 8 is rotated to drive the adjusting shaft 6 to rotate by taking the, the adjusting shaft 6 drives the adjusting block 14 to move left and right in the water inlet pipe 3 so as to adjust the water flow of the nozzle 10, and the water flow adjusting function of the device is increased.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Impulse turbine nozzle device, including hydraulic turbine body (1), its characterized in that: the water turbine is characterized in that a base (2) is welded at the lower end of a water turbine body (1), a water inlet pipe (3) penetrates through the left side of the water turbine body (1), a main shaft (4) penetrates through the middle of the front surface of the water turbine body (1), a rotating wheel (9) is arranged in the middle of the inside of the water turbine body (1), a bolt hole (5) is formed in the right front side of the base (2), an adjusting shaft (6) penetrates through the left side of the water inlet pipe (3), an impurity collecting box (7) is arranged on the right lower side of the water inlet pipe (3), a nozzle (10) is welded at the right end of the water inlet pipe (3), a shaft sleeve (11) is arranged in the middle of the inside of the water inlet pipe (3), a filter screen (12) is arranged on the right side of the inside of the water inlet pipe (3), an adjusting hand wheel (8, the impurity collecting box is characterized in that a door body (16) is arranged on the lower side of the impurity collecting box (7), an impurity inlet (17) is formed in the right upper side of the impurity collecting box (7), a fixing screw (18) is arranged on the right side of the door body (16), a through hole (15) is formed in the right end of the nozzle (10), and a connecting frame (13) is welded on the outer surface of the shaft sleeve (11).

2. Impulse turbine nozzle device according to claim 1, characterized in that: the four bolt holes (5) are arranged and are sequentially arranged at four corners of the base (2).

3. Impulse turbine nozzle device according to claim 1, characterized in that: the main shaft (4) is connected with the rotating wheel (9) in an interference fit manner.

4. Impulse turbine nozzle device according to claim 1, characterized in that: the surface left side of regulating spindle (6) is provided with the screw thread, the part that inlet tube (3) and regulating spindle (6) contact is provided with the screw thread, the diameter of regulating block (14) right-hand member is less than the diameter of through-hole (15), and the diameter of regulating block (14) left end is greater than the diameter of through-hole (15).

5. Impulse turbine nozzle device according to claim 1, characterized in that: the outer surface of the shaft sleeve (11) is connected with the inner surface of the water inlet pipe (3) in a welding mode through the connecting frame (13), and the shaft sleeve (11) is connected with the adjusting shaft (6) in a clearance fit mode.

6. Impulse turbine nozzle device according to claim 1, characterized in that: the impurity collecting box (7) is communicated with the water inlet pipe (3) through an impurity inlet (17), the right side of the impurity inlet (17) is located below the left surface of the filter screen (12), two fixing screws (18) are arranged and respectively located on the right side and the left side of the door body (16), and the door body (16) is connected with the impurity collecting box (7) through the two fixing screws (18).