CN206117413U - Novel exhaust pipe of hydraulic generator - Google Patents

Abstract

The utility model discloses a novel exhaust pipe of hydraulic generator, including last flange, hold -carrying orchid, facial canal, return bend and connecting pipe, it all is the structure that cavity and both ends link up to go up flange, facial canal, return bend, connecting pipe and hold -carrying orchid, go up blue consecutive the connecing of flange, facial canal, return bend, connecting pipe and hold -carrying, the blue interior dimensions of hold -carrying is greater than go up the interior dimensions of flange. The utility model has the advantages of simple structure, low in manufacturing cost, the volume of airing exhaust is big, the utility model discloses can be applicable to duct ventilation's high -power hydraulic generator.

Description

A kind of hydrogenerator New of Air pipe

Technical field

This utility model belongs to hydrogenerator auxiliary device technical field, and more particularly to a kind of hydrogenerator is new Exhaust duct.

Background technology

Current hydrogenerator exhaust duct is upper flange and end flanges identical structure, the such as patent No. A kind of electromotor exhaust duct structure disclosed in CN201520736316.7, including air draft tube body, air exhaust tube connector, joint method It is blue, it is characterised in that the air exhaust tube connector is tubulose, and the outer ring at the air inlet end of the air exhaust tube connector is provided with a ring-type Flange, the joint flange is socketed on the air exhaust tube connector outer ring, and the joint flange is provided with and the flange shape The groove of shape adaptation.This kind of version of existing hydrogenerator comb, can cause the air quantity of end flanges air outlet less than upper The air quantity of flange air outlet, causes wind path not smooth so that the temperature of hydrogenerator is high and is accompanied by larger wind resistance noise.

Utility model content

The purpose of this utility model is that and overcomes the deficiencies in the prior art, there is provided a kind of hydrogenerator New of Air Pipe, this utility model have a simple structure, low cost of manufacture, and the advantages of exhaust air rate is big, this utility model can be suitably used for pipeline and lead to The high-power hydrogenerator of wind.

To achieve these goals, this utility model provide a kind of hydrogenerator New of Air pipe, including upper flange, End flanges, facial canal, bend pipe and connecting tube, the upper flange, facial canal, bend pipe, connecting tube and end flanges are passed through in hollow and two ends Logical structure, the upper flange, facial canal, bend pipe, connecting tube and end flanges are sequentially connected and connect, and the external form of the connecting tube is in cone Shape, the Internal periphery size of the Internal periphery size of the end flanges more than the upper flange, the size smallest end of the connecting tube with The bend pipe is connected, and the size maximum end of the connecting tube is connected with the end flanges.

Further, the bend pipe is 90 ° of bend pipes.

Further, upper flange screwed hole is provided with the upper flange, the upper flange passes through the upper flange screw thread Hole and stator frame of hydraulic generator bolt connection.

Further, end flanges screwed hole is provided with the end flanges, the end flanges are by the end flanges screw thread Hole and air handling connection bolt connection.

Further, the upper flange is connected with the facial canal by upper flange gusset.

Further, the end flanges are connected with the connecting tube by end flanges gusset.

Further, the upper flange, facial canal, bend pipe, connecting tube are mutually welded successively with end flanges.

Further, the upper flange gusset is mutually welded with the upper flange and the facial canal respectively.

Further, the end flanges gusset is mutually welded with the end flanges and the connecting tube respectively.

The beneficial effects of the utility model：This utility model exhaust duct passes sequentially through upper flange, facial canal, bend pipe, connecting tube With the welded molding of end flanges, simple structure, low cost of manufacture, while this utility model adapter even is tapered, and hold-carrying Internal periphery size of the blue Internal periphery size more than upper flange, thus when wind from hydrogenerator out after successively Jing upper flanges, Facial canal, bend pipe, connecting tube and end flanges, its wind speed constantly slow down, but as connecting tube and end flanges become large-sized, exhaust air rate adds Greatly, wind path is unobstructed, so as to the noise that the temperature and windage that reduce hydrogenerator are brought, improves the work of hydrogenerator Efficiency, while improve the service life of hydrogenerator, this utility model can be suitably used for the high-power water wheels of pipe ventilated and send out Motor.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Structural representations of the Fig. 1 for this utility model embodiment.

Right views of the Fig. 2 for Fig. 1.

Fig. 3 is the top view of upper flange in Fig. 1.

Above-mentioned reference：

1 upper flange, 2 end flanges, 3 facial canals, 4 upper flange gussets, 5 bend pipes, the little coaming plates of 5-1, the big coaming plates of 5-2,6 connecting tubes, 7 End flanges gusset, 8 end flanges screwed holes, 9 upper flange screwed holes.

Specific embodiment

Below in conjunction with the accompanying drawings utility model is further illustrated, but is not limited to scope of the present utility model.

Embodiment

As Figure 1-3, a kind of hydrogenerator New of Air pipe that this utility model is provided, including upper flange 1, hold-carrying Blue 2, facial canal 3, bend pipe 5 and connecting tube 6, the upper flange 1, facial canal 3, bend pipe 5, connecting tube 6 and end flanges 2 are in hollow and two The structure of end insertion, the upper flange 1, facial canal 3, bend pipe 5, connecting tube 6 and end flanges 2 are sequentially connected and connect, the connecting tube External form is tapered, and the Internal periphery size of the end flanges 2 is more than the Internal periphery size of the upper flange 1, the chi of the connecting tube 6 Very little smallest end is connected with the bend pipe 5, and the size maximum end of the connecting tube 6 is connected with the end flanges 2.

Preferably, the bend pipe 5 is 90 ° of bend pipes to this utility model.

Upper flange screwed hole 9 is provided with the upper flange of the present utility model 1, the upper flange 1 is by the upper method Blue screwed hole 9 and stator frame of hydraulic generator (being not drawn in figure) bolt connection.Set in the end flanges of the present utility model 2 End flanges screwed hole 8 is equipped with, the end flanges 2 are by the end flanges screwed hole 8 and air handling connection (being not drawn in figure) spiral shell Tether and connect.Upper flange of the present utility model 1 and end flanges 2 are connected with stator frame of hydraulic generator and air handling connection bolt respectively Connect, be convenient to mount and dismount.

The upper flange 1 of the present utility model is connected with the facial canal 3 by upper flange gusset 4.It is of the present utility model The end flanges 2 are connected with the connecting tube 6 by end flanges gusset 7.The company of 4 upper flanges of upper flange gusset 1 and facial canal 3 Connect booster action, it is ensured that the connection reliability of upper flange 1 and facial canal 3, while structural strength is improve, end flanges gusset 7 End flanges 2 are acted on the connection reinforcement of connecting tube 6, it is ensured that the connection reliability of end flanges 2 and connecting tube 6, while improve Structural strength.

This utility model preferably, mutually weld with end flanges 2 successively by the upper flange 1, facial canal 3, bend pipe 5, connecting tube 6. The upper flange gusset 4 is mutually welded with the upper flange 1 and the facial canal 3 respectively.The end flanges gusset 7 respectively with the end Flange 2 is mutually welded with the connecting tube 6.

It is welded that this utility model exhaust duct passes sequentially through upper flange 1, facial canal 3, bend pipe 5, connecting tube 6 and end flanges 2 Molding, simple structure, low cost of manufacture, while connecting tube of the present utility model 6 is tapered, and the Internal periphery size of end flanges 2 More than the Internal periphery size of upper flange 1, thus when wind from hydrogenerator out after successively Jing upper flanges 1, facial canal 3, bend pipe 5, Connecting tube 6 and end flanges 2, its wind speed constantly slow down, but as connecting tube 6 and end flanges 2 become large-sized, exhaust air rate is increased, wind Road is unobstructed, so as to the noise that the temperature and windage that reduce hydrogenerator are brought, improves the work efficiency of hydrogenerator, The service life of hydrogenerator is improve simultaneously.

This utility model specifically, as Figure 1-3, upper flange 1 in hollow and two ends insertion cube structure, hold-carrying The thickness of blue 2 cube structures in hollow and two ends insertion, its upper flange 1 and end flanges 2 is selected according to the actual requirements, curved Pipe 5 is made up of little coaming plate 5-1 and big coaming plate 5-2, upper flange of the present utility model 1, end flanges 2, facial canal 3, connecting tube 6, upper method Blue gusset 4 and end flanges gusset 7 press drawing blanking respectively, and little coaming plate 5-1, the big coaming plate 5-2 for constituting bend pipe 5 presses figure blanking respectively Afterwards roll bending and welding be combined into bend pipe 5.Further according to drawing requirement, by upper flange 1, end flanges 2, facial canal 3, bend pipe 5, connecting tube 6, on Flange gusset 4 is distinguished mutually integrally welded with end flanges gusset 7 and forms the hollow exhaust duct of this utility model, simple structure, Intensity is high, and low cost of manufacture.

Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model can also There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will Protection domain is asked to be defined by appending claims and its equivalent.

Claims (9)

1. a kind of hydrogenerator New of Air pipe, it is characterised in that：Including upper flange, end flanges, facial canal, bend pipe and connection Pipe, the upper flange, facial canal, bend pipe, the connecting tube and end flanges structure in hollow and two ends insertion, the upper flange, face Pipe, bend pipe, connecting tube and end flanges are sequentially connected and connect, and the external form of the connecting tube is tapered, the Internal periphery chi of the end flanges The very little Internal periphery size more than the upper flange, the size smallest end of the connecting tube are connected with the bend pipe, the connection The size maximum end of pipe is connected with the end flanges.

2. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that the bend pipe is 90 ° curved Pipe.

3. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that arrange on the upper flange There is upper flange screwed hole, the upper flange is by the upper flange screwed hole and stator frame of hydraulic generator bolt connection.

4. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that arrange in the end flanges There is end flanges screwed hole, the end flanges are by the end flanges screwed hole and air handling connection bolt connection.

5. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that the upper flange is by upper Flange gusset is connected with the facial canal.

6. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that the end flanges are by end Flange gusset is connected with the connecting tube.

7. a kind of hydrogenerator New of Air pipe according to claim 1, it is characterised in that the upper flange, facial canal, Bend pipe, connecting tube are mutually welded successively with end flanges.

8. a kind of hydrogenerator New of Air pipe according to claim 5, it is characterised in that the upper flange gusset point Mutually do not weld with the upper flange and the facial canal.

9. a kind of hydrogenerator New of Air pipe according to claim 6, it is characterised in that the end flanges gusset point Mutually do not weld with the end flanges and the connecting tube.