CN205895479U - Hydraulic turbine water installations - Google Patents

Abstract

The utility model discloses a hydraulic turbine water installations, which comprises a housin, the inside bearing that is equipped with of casing, bearing swing joint has the blade wheel, open in casing left side has water inlet and delivery port, and the water inlet is located the top of delivery port, the water inlet right side is equipped with filter equipment, filter equipment includes the organism, rivers import and water flow outlet have been opened respectively to the lateral wall about the organism, inside first filter and the second filter installed in proper order of organism, surface mounting has high speed motor on the organism, high speed motor is connected with the transmission shaft, the one end of transmission shaft stretches into the inside of organism, the surface of transmission shaft is equipped with the blade, the delivery port right side is equipped with back -flow preventer, the side surface at the plate body is opened to the through -hole, the axis of rotation is pegged graft at the inner chamber of through -hole, axis of rotation skin weld has integrated into one piece's spoiler. The device simple structure, and the practicality is strong.

Description

A kind of hydroturbine water intake device

Technical field

The utility model is related to turbine technology field, specially a kind of hydroturbine water intake device.

Background technology

The hydraulic turbine is the dynamic power machine energy of current being converted to rotating mechanical energy, and it belongs to the turbine in fluid machinery Machinery.Before and after B.C. 100 years, China has occurred as soon as the blank water wheels of the hydraulic turbine, is used for irrigating by lifting water to a higher level with a water pump, etc. and drives grain Operated implement.Then great majority are arranged in power station, for driving electrical power generators the modern hydraulic turbine.In power station, upstream Water in reservoir guides the hydraulic turbine into through aqueduct, promotes rotary wheel of water turbine rotation, drives electrical power generators.The water finishing work(then leads to Cross tail water pipeline to arrange downstream.Head is higher, flow is bigger, and the power output of the hydraulic turbine is also bigger.The hydraulic turbine and subsidiary engine are Important hydroelectric facility is the requisite part of hydroelectric generation industry, is to make full use of clean reproducible energy to realize section Can reduce discharging, reduce the visual plant of environmental pollution, the development of its technology is adapted with the development scale of China's hydropower industry.In China Under the strength of electricity needs pulls, China's hydraulic turbine and subsidiary engine manufacturing enter fast-developing phase, its economic scale and technology Level is all significantly increased, and China's hydraulic turbine manufacturing technology has reached advanced international standard.The hydraulic turbine can be divided into punching by operation principle Hit the formula hydraulic turbine and reaction turbine two big class.The runner of impulse turbine is subject to the impact of current to rotate, worked In journey, the pressure of current is constant, mainly the conversion of kinetic energy；The runner of reaction turbine is subject to the reaction of current in water Power and rotate, in the course of work, the pressure energy of current and kinetic energy all have a change, but the conversion of mainly pressure energy.The impact of early stage , when impacting blade, kinetic energy rejection is very big, inefficient for the current of the formula hydraulic turbine.And because water feed apparatus do not have filtration system, Impurity in water can damage the blade of the hydraulic turbine under the impact of high-velocity flow, or even can interrupt turbine blade, causes to compare Big loss.

Utility model content

The purpose of this utility model is to provide a kind of hydroturbine water intake device, to solve proposition in above-mentioned background technology Problem.

For achieving the above object, the utility model provides a kind of following technical scheme: hydroturbine water intake device, including shell Body, described enclosure interior is provided with bearing, and described bearing is connected with blade wheel, has water inlet and water outlet on the left of described housing Mouthful, and water inlet is located at the top of delivery port, is provided with filter, described filter includes body on the right side of described water inlet, Described body left and right sidewall has flow inlet and water export, described internal body be sequentially installed with the first filter and Second filter, and the second filter be located at the first filter on the right side of, one end of described first filter and the second filter is stretched Go out the surface of body, described block upper surface is provided with high-speed electric expreess locomotive, and described high-speed electric expreess locomotive is connected with power transmission shaft, described power transmission shaft One end stretch into the inside of body, the surface of described power transmission shaft is provided with blade, is provided with back-flow preventer, institute on the right side of described delivery port State back-flow preventer and include plate body, rotary shaft and through hole, described through hole is opened in the side surface of plate body, described rotary shaft is plugged on logical The inner chamber in hole, described rotary shaft surface soldered has integrally formed spoiler.

Preferably, described blade is paddle blade, and blade is no less than 6 groups.

Preferably, described first filter and the second filter are connected to the inner chamber of body, and the filtration of the first filter Bore dia is 0.8 times of the second filter plate bore dia.

Preferably, described spoiler high-frequency welding is on rotary shaft surface.

Compared with prior art, the beneficial effects of the utility model are: this hydroturbine water intake device passes through filtration system The impurity in water can be greatly reduced, the blade of the protection hydraulic turbine is injury-free, and the mixer in filter can make after filtration Flow rate of water flow increases, and can form jet to the blade of the hydraulic turbine, accelerate the operation of blade, improve efficiency when delivery port. The setting of back-flow preventer can make the water in the hydraulic turbine will not be back in water feed apparatus, will not make the blade in water feed apparatus Wheel reverses thus affecting flow rate of water flow.

Brief description

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model filter apparatus configuration schematic diagram；

Fig. 3 is the utility model back-flow preventer structural representation.

In figure: 1 water inlet, 2 delivery ports, 3 filters, 31 bodies, 32 flow inlet, 33 water exports, 34 first mistakes Filter plate, 35 second filters, 36 high-speed electric expreess locomotives, 37 power transmission shafts, 38 blades, 4 blade wheels, 5 bearings, 6 back-flow preventers, 61 lead to Hole, 62 rotary shafts, 63 spoilers, 64 plate bodys, 7 housings.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of the utility model protection.

Refer to Fig. 1-3, the utility model provides a kind of a kind of technical scheme: hydroturbine water intake device, including housing 7, It is provided with bearing 5 inside housing 7, bearing 5 is connected with blade wheel 4, have water inlet 1 and delivery port 2 on the left of housing 7, and enter The mouth of a river 1 is located at the top of delivery port 2, is provided with filter 3 on the right side of water inlet 1, and filter 3 includes body 31, and body 31 is left Right side wall has flow inlet 32 and water export 33, is sequentially installed with the first filter 34 and the second mistake inside body 1 Filter plate 35, and the second filter 35 is located on the right side of the first filter 34, one end of the first filter 34 and the second filter 35 is stretched Go out the surface of body 31, body 31 upper surface is provided with high-speed electric expreess locomotive 36, and high-speed electric expreess locomotive 36 is connected with power transmission shaft 37, power transmission shaft 37 One end stretch into the inside of body 31, the surface of power transmission shaft 37 is provided with blade 38, is provided with back-flow preventer 6 on the right side of delivery port 2, prevents Reflux 6 includes plate body 64, rotary shaft 62 and through hole 61, and through hole 61 is opened in the side surface of plate body 64, and rotary shaft 62 is plugged on The inner chamber of through hole 61, rotary shaft 62 surface soldered has integrally formed spoiler 63.Blade 38 is paddle blade, and blade 38 is not Less than 6 groups.First filter 34 and the second filter 35 are connected to the inner chamber of body 31, and the filter bores of the first filter 34 are straight Footpath is 0.8 times that the second filter 35 filters bore dia.Spoiler 63 high-frequency welding is on rotary shaft 62 surface.

Operation principle: when current enter into inside housing 7 from water inlet 1 be, through the first filter 34 and the second filtration The filtration of plate 35, the Impurity removal in water is fallen, and to ensure the safety of turbine blade 38, then carries via high-speed electric expreess locomotive 36 Dynamic power transmission shaft 37 accelerates to current, and current, when blade wheel 4, promote blade wheel 4 high-speed rotation, through centrifugal force Effect, current are thrown away near delivery port 2, when current are through back-flow preventer 6, because current have higher flow velocity, can To promote spoiler 63, and then current can flow out delivery port 2, and the blade 38 of the hydraulic turbine is promoted, when water velocity fall Low or no longer intake when, due to the own wt of spoiler 63, delivery port 2 can be closed, to prevent the water in water turbine from flowing back To inside water feed apparatus.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of hydroturbine water intake device, including housing (7) it is characterised in that: is provided with bearing (5), institute inside described housing (7) State bearing (5) and be connected with blade wheel (4), on the left of described housing (7), have water inlet (1) and delivery port (2), and water inlet (1) it is located at the top of delivery port (2), on the right side of described water inlet (1), is provided with filter (3), described filter (3) includes machine Body (31), described body (31) left and right sidewall has flow inlet (32) and water export (33), and described body (1) is internal It is sequentially installed with the first filter (34) and the second filter (35), and the second filter (35) is located at the first filter (34) right side Side, the surface of body (31) is stretched out, on described body (31) in one end of described first filter (34) and the second filter (35) Surface is provided with high-speed electric expreess locomotive (36), and described high-speed electric expreess locomotive (36) is connected with power transmission shaft (37), one end of described power transmission shaft (37) Stretch into the inside of body (31), the surface of described power transmission shaft (37) is provided with blade (38), is provided with and prevents back on the right side of described delivery port (2) Stream device (6), described back-flow preventer (6) includes plate body (64), rotary shaft (62) and through hole (61), and described through hole (61) is opened in The side surface of plate body (64), described rotary shaft (62) is plugged on the inner chamber of through hole (61), and described rotary shaft (62) surface soldered has Integrally formed spoiler (63).

2. a kind of hydroturbine water intake device according to claim 1 it is characterised in that: described blade (38) be paddle leaf Piece, and blade (38) is no less than 6 groups.

3. a kind of hydroturbine water intake device according to claim 1 it is characterised in that: described first filter (34) and Two filters (35) are connected to the inner chamber of body (31), and the filtration bore dia of the first filter (34) is the second filter (35) Filter bore dia 0.8 times.

4. a kind of hydroturbine water intake device according to claim 1 it is characterised in that: described spoiler (63) high-frequency welding On rotary shaft (62) surface.