CN210396819U

CN210396819U - Impeller with protective effect

Info

Publication number: CN210396819U
Application number: CN201920703748.6U
Authority: CN
Inventors: 曹浩波; 魏广生; 贾小勇; 赵蒙弦; 黄晨
Original assignee: Xturbo Technologies Xi'an Co ltd
Current assignee: Xturbo Technologies Xi'an Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-04-24
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to the technical field of impellers, in particular to an impeller with a protection effect, which comprises a rear baffle, an impeller, a hub and a transmission shaft, wherein the outer side of the hub is fixedly connected with the uniformly distributed impeller, the rear end surface of the outer side of the hub is fixedly connected with the rear baffle, the outer side of the rear baffle is provided with a connecting rod, the inner side of the hub is provided with the transmission shaft, the inner side of the hub is provided with a sliding groove and a key groove which are distributed front and back, a limit key is arranged in the key groove, and a jacking block is arranged; the utility model discloses in, through backplate, impeller, wheel hub, transmission shaft and the connecting rod that sets up, backplate, impeller and wheel hub are through milling machine integration contour machining, then the connecting rod is together fixed with adjacent impeller, and this kind of intensity that sets up the impeller is not fragile, has fine practical value, and this kind of design conception is novel, and the design science has extensive market prospect, is worth using widely.

Description

Impeller with protective effect

Technical Field

The utility model relates to an impeller technical field specifically is an impeller with guard action.

Background

The impeller is a wheel disc provided with moving blades, is a component of an impulse steam turbine rotor, can also be a general name of the wheel disc and the rotating blades arranged on the wheel disc, can be classified according to the shape and the opening and closing conditions, and mainly comprises the following 4 forms, namely a closed type, a front half-open type, a rear half-open type and an open type.

The impeller distributes in the wheel hub outside, and many impellers lead to the impeller to bend the damage inadequately because intensity in the real life, cause economic loss, and wheel hub passes through the key and is connected with the transmission shaft, and the key very is difficult to take out when overhauing the change, and very troublesome, extravagant plenty of time reduces work efficiency, consequently, proposes an impeller with guard action to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller with guard action to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an impeller with guard action, includes backplate, impeller, wheel hub and transmission shaft, wheel hub outside fixedly connected with evenly distributed's impeller, wheel hub outside rear end face fixedly connected with backplate, the backplate outside is equipped with the connecting rod, the wheel hub inboard is equipped with the transmission shaft, the wheel hub inboard is equipped with sliding tray and the keyway that is the front and back distribution, be equipped with spacing key in the keyway, be equipped with the kicking block in the sliding tray.

Preferably, the transmission shaft is fixedly connected with the hub through a limiting key, and the end surface of the impeller is arranged in an arc surface.

Preferably, the front end face of the top block is rotatably connected with a rotating plate, the rear end face of the rotating plate is clamped with the hub, and the rotating angle range of the rotating plate is 0-90 degrees.

Preferably, the rear end face of the impeller is fixedly connected with the rear baffle, and the outer side of the impeller is fixedly connected with the connecting rod.

Preferably, the sliding groove is located right ahead of the keyway, the sliding groove diameter is 0.6 times of the keyway diameter, the kicking block passes through sliding connection of sliding groove and wheel hub.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the back baffle, the impeller, the hub, the transmission shaft and the connecting rod are arranged, the back plate, the impeller and the hub are integrally formed and processed by the milling machine, and then the connecting rod fixes the adjacent impellers together, so that the arranged impeller has better strength and is not easy to damage, and has good practical value;

2. the utility model discloses in, through kicking block, rotor plate, spacing key, keyway and the sliding tray that sets up, when overhauing or changing, can be through rotating the rotor plate, thereby it is ejecting with the spacing key through rotor plate extrusion kicking block, this kind of setting conveniently overhauls and changes the impeller, saves time.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram of the key structure of the present invention;

fig. 4 is a cross-sectional view of the wheel hub of the present invention.

In the figure: 1-rear baffle, 2-impeller, 3-hub, 4-transmission shaft, 5-connecting rod, 6-top block, 7-rotating plate, 8-limit key, 9-key slot and 10-sliding slot.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an impeller with guard action, includes backplate 1, impeller 2, wheel hub 3 and

transmission shaft

4, 3 outside fixedly connected with evenly distributed's of

wheel hub impeller

2, 3 outside rear end face fixedly connected with backplate 1 of wheel hub, backplate 1, impeller 2 and wheel hub 3 are through milling machine integration shaping processing, and no welding seam has better intensity, the 1 outside of backplate is equipped with connecting rod 5, 3 inboards of wheel hub are equipped with

transmission shaft

4, 3 inboards of wheel hub are equipped with sliding tray 10 and the keyway 9 that distributes around being, be equipped with spacing key 8 in the keyway 9, be equipped with kicking block 6 in the sliding tray 10, sliding tray 10 and keyway 9 set up around being and conveniently extrude spacing key 8.

The transmission shaft 4 is fixedly connected with the hub 3 through a limit key 8, the end face of the impeller 2 is arranged in a cambered surface manner, the arrangement facilitates the medium to flow through the end face of the impeller 2, greatly weakens the impact of the medium on the impeller 2, ensures the service life of the impeller 2, the front end face of the top block 6 is rotatably connected with a rotating plate 7, the rear end face of the rotating plate 7 is clamped with the hub 3, the rotating plate 7 rotates within the range of 0-90 degrees, the arrangement facilitates the rotating plate 7 and the top block 6 to be in the same straight line, the limit key 8 is convenient to eject, the rear end faces of the impellers 2 are fixedly connected with the rear baffle plate 1, the outer sides of the impellers 2 are fixedly connected with connecting rods 5, the connecting rods 5 have the function of supporting and fixing the impellers 2, the impellers 2 are not easy to deform, the rear baffle plate 1 also plays the role of fixedly supporting the impellers 2, and the sliding groove 10 is, the diameter of the sliding groove 10 is 0.6 times of the diameter of the key groove 9, the top block 6 is connected with the hub 3 in a sliding mode through the sliding groove 10, the limiting key 8 can be conveniently taken out through the arrangement, and replacement and overhaul are convenient.

The working process is as follows: backplate 1, impeller 2 and wheel hub 3 are through milling machine integration contour machining, then connecting rod 5 is in the same place adjacent impeller 2 is fixed, this kind of intensity that sets up impeller 2 is better and not fragile, the impeller 2 of cambered surface can be fine when rotating the flow of realization medium, when overhauing or when changing impeller 2, can be through rotating rotor plate 7, rotor plate 7 and kicking block 6 are located same straight line, then through extruding rotor plate 7, rotor plate 7 extrudes kicking block 6, thereby kicking block 6 is ejecting with spacing key 8, this kind of setting makes things convenient for maintenance and change impeller 2, save time, has fine practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an impeller with guard action, includes backplate (1), impeller (2), wheel hub (3) and transmission shaft (4), its characterized in that: wheel hub (3) outside fixedly connected with evenly distributed's impeller (2), wheel hub (3) outside rear end face fixedly connected with backplate (1), backplate (1) outside is equipped with connecting rod (5), wheel hub (3) inboard is equipped with transmission shaft (4), wheel hub (3) inboard is equipped with sliding tray (10) and keyway (9) that are the front and back distribution, be equipped with spacing key (8) in keyway (9), be equipped with kicking block (6) in sliding tray (10).

2. The impeller with the protection function as claimed in claim 1, wherein: the transmission shaft (4) is fixedly connected with the hub (3) through a limiting key (8), and the end face of the impeller (2) is arranged in an arc surface.

3. The impeller with the protection function as claimed in claim 1, wherein: the front end face of the ejector block (6) is rotationally connected with a rotating plate (7), the rear end face of the rotating plate (7) is clamped with the hub (3), and the rotating angle range of the rotating plate (7) is 0-90 degrees.

4. The impeller with the protection function as claimed in claim 1, wherein: the rear end face of the impeller (2) is fixedly connected with the rear baffle (1), and the outer side of the impeller (2) is fixedly connected with the connecting rod (5).

5. The impeller with the protection function as claimed in claim 1, wherein: the sliding groove (10) is located right ahead of the key groove (9), the diameter of the sliding groove (10) is 0.6 times of that of the key groove (9), and the top block (6) is in sliding connection with the hub (3) through the sliding groove (10).