Multi-layer combined impeller

Abstract

The utility model provides a multi-layer combined type impeller, which belongs to the field of impellers and comprises a base, a plurality of blades and a plurality of blades. The device comprises a base and a top cover, two impeller assemblies are arranged between the base and the top cover, a connecting base is arranged between the two impeller assemblies, fixing pipes are fixedly arranged on the top of the base, the bottom of the top cover and the two sides of the connecting base, and limiting assemblies are fixedly arranged on the outer sides of the multiple fixing pipes. The impeller assembly comprises a sleeve, a plurality of arc-shaped plates and a plurality of blades, a plurality of notches are formed in the sleeve, the arc-shaped plates are all arranged in the sleeve, limiting strips are fixedly arranged on the outer sides of the arc-shaped plates, and the blades are fixedly arranged on the outer sides of the limiting strips respectively. The two impeller assemblies and the multiple limiting assemblies are arranged, the conveying effect is excellent, mounting and dismounting are easy, the blades are convenient to maintain or replace, and the maintenance cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of impellers, in particular to a multi-layer combined impeller. Background Art

[0002] The impeller refers to the wheel disc equipped with moving blades, which is a component of the impulse steam turbine rotor, and can also refer to the general term for the wheel disc and the rotating blades installed on it.

[0003] Most of the impellers in the prior art are made by processing several blades and a base into a whole. If they are damaged after use, they need to be replaced as a whole, which has a high maintenance cost. In addition, most of the impellers in the prior art are single-layered in design, which has a poor conveying effect and reduces practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a multi-layer combined impeller.

[0005] The embodiment of the present utility model provides a multi-layer combined impeller, comprising:

[0006] A base, wherein a latch is provided on the base;

[0007] A top cover, two impeller assemblies are provided between the base and the top cover, a connecting seat is provided between the two impeller assemblies, a fixing tube is fixedly provided on the top of the base, the bottom of the top cover and both sides of the connecting seat, and a plurality of limiting assemblies are fixedly provided on the outer sides of the fixing tubes;

[0008] The impeller assembly includes a sleeve, multiple arc-shaped plates and multiple blades. The sleeve is provided with multiple notches. The multiple arc-shaped plates are all arranged in the sleeve. The outer sides of the multiple arc-shaped plates are fixedly provided with limit strips, and the multiple blades are respectively fixedly provided on the outer sides of the multiple limit strips.

[0009] Furthermore, the limiting assembly includes a plurality of clamping plates fixedly arranged on the outside of the fixed tube, the inner sides of the plurality of arc-shaped plates are provided with clamping grooves, both ends of the clamping grooves are through-set, and the plurality of clamping plates are matched with the plurality of clamping grooves.

[0010] Furthermore, the top cover and the connecting seat are both provided with through holes, the pin is slidably provided through the two through holes, a threaded rod is fixedly provided at the bottom of the pin, a threaded hole is provided on the base, and the threaded rod is threadedly connected to the threaded hole.

[0011] Furthermore, the plurality of blades are all arranged at an angle, and the plurality of blades are evenly distributed around the circumference.

[0012] Furthermore, the plurality of limit bars are slidably disposed in the plurality of notches respectively, and the plurality of limit bars are disposed against the inner walls of the corresponding notches.

[0013] Furthermore, the upper surfaces of the plurality of arc-shaped plates are all arranged flush with the upper surfaces of the corresponding sleeves, and the base and the connecting seat are both arranged to abut against the upper surfaces of the corresponding arc-shaped plates.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Two impeller assemblies are set up, and the conveying effect is excellent; first remove the pin, then pull out the impeller assembly, pull out the arc plate and limit bar corresponding to the damaged impeller upwards, separate them from the sleeve, and then remove the damaged blades for replacement. The maintenance cost is low, and the installation and disassembly are simple and efficient.

[0016] In summary, the utility model is provided with two impeller assemblies and multiple limit assemblies, which have excellent conveying effect, simple installation and disassembly, convenient repair or replacement of blades, and low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of a multi-layer combined impeller described in an embodiment of the present utility model.

[0018] Figure 2 It is a three-dimensional unfolded view of a multi-layer combined impeller described in an embodiment of the present utility model.

[0019] Figure 3 It is a partial stereoscopic view of a multi-layer combined impeller described in an embodiment of the present utility model.

[0020] Figure 4 It is a cross-sectional view of a base in a multi-layer combined impeller described in an embodiment of the present utility model.

[0021] In the above drawings: 1 base, 2 sleeve, 3 notch, 4 arc-shaped plate, 5 limit strip, 6 blade, 7 slot, 8 connecting seat, 9 top cover, 10 fixing tube, 11 card plate, 12 through hole, 13 pin, 14 threaded rod, 15 threaded hole. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 4 As shown, the embodiment of the present invention proposes a multi-layer combined impeller, comprising:

[0024] The base 1 is provided with a latch 13. The top cover 9 and the connecting base 8 are both provided with through holes 12. The latch 13 is slidably provided through the two through holes 12 so that the latch 13 can position the top cover 9 and the connecting base 8. A threaded rod 14 is fixedly provided at the bottom of the latch 13. A threaded hole 15 is provided on the base 1. The threaded rod 14 is threadedly connected to the threaded hole 15 to fix the latch 13.

[0025] The top cover 9 has two impeller assemblies arranged between the base 1 and the top cover 9. The impeller assembly includes a sleeve 2, a plurality of arc-shaped plates 4 and a plurality of blades 6. The sleeve 2 is provided with a plurality of notches 3. The plurality of arc-shaped plates 4 are all arranged in the sleeve 2. The upper surfaces of the plurality of arc-shaped plates 4 are all flush with the upper surfaces of the corresponding sleeves 2. The base 1 and the connecting seat 8 are both set against the upper surfaces of the corresponding arc-shaped plates 4, so that after the base 1 and the connecting seat 8 are fixed, the arc-shaped plates 4 can be pressed tightly to fix the plurality of blades 6. The outer sides of the plurality of arc-shaped plates 4 are fixedly provided with limiting strips 5. The plurality of limiting strips 5 are respectively slidably arranged in the plurality of notches 3. The plurality of limiting strips 5 are set against the inner walls of the corresponding notches 3. The plurality of limiting strips 5 all play a limiting role. The plurality of blades 6 are respectively fixed on the outer sides of the plurality of limiting strips 5. The plurality of blades 6 are all inclined and evenly distributed around the circumference.

[0026] A connecting seat 8 is provided between the two impeller assemblies. Fixed tubes 10 are fixedly provided on the top of the base 1, the bottom of the top cover 9 and both sides of the connecting seat 8. Limiting assemblies are fixedly provided on the outer sides of the multiple fixed tubes 10. The limiting assemblies include multiple clamping plates 11 fixedly provided on the outer sides of the fixed tubes 10. The inner sides of the multiple arc-shaped plates 4 are provided with clamping grooves 7. Both ends of the clamping grooves 7 are through-set. The multiple clamping plates 11 are cooperated with the multiple clamping grooves 7 so that the multiple clamping plates 11 can be respectively inserted into the multiple clamping grooves 7, thereby pressing the multiple arc-shaped plates 4 tightly for positioning.

[0027] The detailed working process of this utility model is as follows:

[0028] 1. During installation, the staff first inserts the multiple curved plates 4 into the multiple notches 3 in sequence through the corresponding limit bars 5, then sets the bottom ends of the multiple slots 7 into the multiple card plates 11 on the base 1, and then inserts the multiple card plates 11 at the bottom of the connecting seat 8 into the top of the multiple slots 7, and then installs another impeller assembly between the connecting seat 8 and the top cover 9 in the same way. Finally, insert the pin 13 into the two through holes 12, and screw the threaded rod 14 into the threaded hole 15 to fix it. If multiple impeller assemblies need to be installed, just add the corresponding number of connecting seats 8 and replace the pin 13 of the corresponding length.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A multi-layer combined impeller, characterized in that: include: A base (1), wherein a latch (13) is provided on the base (1); A top cover (9), two impeller assemblies are provided between the base (1) and the top cover (9), a connecting seat (8) is provided between the two impeller assemblies, a fixing tube (10) is fixedly provided on the top of the base (1), the bottom of the top cover (9) and both sides of the connecting seat (8), and a plurality of limiting assemblies are fixedly provided on the outer sides of the fixing tubes (10); The impeller assembly comprises a sleeve (2), a plurality of arc-shaped plates (4) and a plurality of blades (6); the sleeve (2) is provided with a plurality of notches (3); the plurality of arc-shaped plates (4) are all arranged in the sleeve (2); the outer sides of the plurality of arc-shaped plates (4) are all fixedly provided with limiting strips (5); and the plurality of blades (6) are respectively fixedly provided on the outer sides of the plurality of limiting strips (5).

2. The multi-layer combined impeller according to claim 1, characterized in that: in: The limiting assembly comprises a plurality of clamping plates (11) fixedly arranged on the outside of the fixed tube (10), a plurality of the arc-shaped plates (4) are provided with a clamping groove (7) on the inner side, both ends of the clamping groove (7) are through-set, and the plurality of clamping plates (11) are arranged in coordination with the plurality of clamping grooves (7).

3. The multi-layer combined impeller according to claim 1, characterized in that: in: The top cover (9) and the connecting seat (8) are both provided with through holes (12), the latch (13) is slidably provided through the two through holes (12), a threaded rod (14) is fixedly provided at the bottom of the latch (13), a threaded hole (15) is provided on the base (1), and the threaded rod (14) is threadedly connected to the threaded hole (15).

4. The multi-layer combined impeller according to claim 1, characterized in that: in: The plurality of blades (6) are all arranged in an inclined manner, and the plurality of blades (6) are evenly distributed around the circumference.

5. The multi-layer combined impeller according to claim 1, characterized in that: in: The plurality of limit strips (5) are respectively slidably arranged in the plurality of notches (3), and the plurality of limit strips (5) are arranged to abut against the inner walls of the corresponding notches (3).

6. The multi-layer combined impeller according to claim 1, characterized in that: in: The upper surfaces of the plurality of arc-shaped plates (4) are all arranged flush with the upper surfaces of the corresponding sleeves (2), and the base (1) and the connecting seat (8) are both arranged to abut against the upper surfaces of the corresponding arc-shaped plates (4).

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