CN210269479U - Experimental device for simulating measurement of abrasion loss of rotating runner blade - Google Patents
Experimental device for simulating measurement of abrasion loss of rotating runner blade Download PDFInfo
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- CN210269479U CN210269479U CN201920516776.7U CN201920516776U CN210269479U CN 210269479 U CN210269479 U CN 210269479U CN 201920516776 U CN201920516776 U CN 201920516776U CN 210269479 U CN210269479 U CN 210269479U
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- 238000005259 measurement Methods 0.000 title claims description 12
- 238000005299 abrasion Methods 0.000 title claims description 6
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of fluid machinery engineering. The purpose provides an experimental apparatus that simulation revolving flow path blade wearing capacity was measured, and the device should have the characteristics of measuring convenience, result accuracy. The technical scheme is as follows: the utility model provides an experimental apparatus for simulation rotating flow path blade wearing capacity measures which characterized in that: the device comprises an experiment barrel, a circulating pipeline, an experiment motor and an experiment impeller, wherein two ends of the circulating pipeline are communicated with the experiment barrel, the experiment motor is fixed in the experiment barrel through a supporting structure, and the experiment impeller is driven by the experiment motor; the experimental impeller comprises an upper baffle and a lower baffle which are horizontally arranged up and down, a plurality of blades fixed between the upper baffle and the lower baffle through fasteners, and an inlet pipe vertically fixed at the top of the upper baffle; a rotating shaft of the experimental motor is vertically and upwards arranged and fixed with the lower baffle; and an inlet ball valve, a centrifugal pump, an outlet ball valve and a flowmeter are arranged on the circulating pipeline, the inlet of the circulating pipeline is communicated with the bottom of the experimental barrel, and the outlet of the circulating pipeline is communicated with the inlet pipe.
Description
Technical Field
The utility model belongs to the technical field of fluid machinery engineering, specifically be a simulation revolving flow way blade wearing and tearing volume measuring experimental apparatus is related to.
Background
In an impeller abrasion experiment, an operation mode generally adopted is that an ultrasonic thickness gauge is used for measuring the thickness of each part of an impeller before and after the experiment, and the abrasion of the impeller is obtained through data comparison. When testing the blade of different materials, because the installation and the dismantlement of impeller need be carried out repeatedly, the operation is very inconvenient, simultaneously because the position and the shape of blade differ in the impeller, all can cause certain difficulty to the measurement of blade wearing and tearing volume, not only work efficiency is lower, has also produced great influence to measured data's accurate degree moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, provide an experimental apparatus that simulation revolving flow way blade wearing and tearing volume was measured, the device should have the characteristics of measuring convenience, result accuracy.
The technical scheme of the utility model is that:
the utility model provides an experimental apparatus for simulation rotating flow path blade wearing capacity measures which characterized in that: the device comprises an experiment barrel, a circulating pipeline, an experiment motor and an experiment impeller, wherein two ends of the circulating pipeline are communicated with the experiment barrel, the experiment motor is fixed in the experiment barrel through a supporting structure, and the experiment impeller is driven by the experiment motor; the experimental impeller comprises an upper baffle and a lower baffle which are horizontally arranged up and down, a plurality of blades fixed between the upper baffle and the lower baffle through fasteners, and an inlet pipe vertically fixed at the top of the upper baffle; a rotating shaft of the experimental motor is vertically and upwards arranged and fixed with the lower baffle; and an inlet ball valve, a centrifugal pump, an outlet ball valve and a flowmeter are arranged on the circulating pipeline, the inlet of the circulating pipeline is communicated with the bottom of the experimental barrel, and the outlet of the circulating pipeline is communicated with the inlet pipe.
The supporting structure comprises a supporting plate horizontally arranged in the experiment barrel and a supporting frame connected with the supporting plate; the experiment motor is fixed in the backup pad bottom surface, and the pivot of experiment motor is fixed with lower baffle after vertically upwards passing the backup pad.
The lower baffle is provided with a plurality of fixing grooves matched with the blades.
The inlet ball valve, the centrifugal pump, the outlet ball valve and the flow meter are sequentially arranged on the circulating pipeline along the flowing direction of the liquid.
The bottom of the experimental barrel is funnel-shaped; the centrifugal pump is driven by a circulating motor.
And the outlet of the circulating pipeline is communicated with the inlet pipe through a flange arranged on the circulating pipeline and a bearing in the flange.
The utility model has the advantages that:
the device simulates the actual working condition of the impeller by driving liquid in the experiment barrel to flow through the circulating pipeline, and the blades of the impeller adopt a detachable structure (blades made of different materials are convenient to replace), so that the device is simple in structure and convenient to operate, the abrasion measurement difficulty of the blades is greatly reduced, the measurement working efficiency is improved, and the measurement data is more accurate.
Drawings
Fig. 1 is a schematic view of the connection relationship of the present invention.
Fig. 2 is a schematic view of the top-view structure of the experiment barrel of the present invention.
Fig. 3 is a schematic view of the structure of the experimental impeller and the experimental motor.
Fig. 4 is a schematic structural view of the upper baffle plate of the middle experimental impeller.
Fig. 5 is a schematic top view of the upper baffle plate of the middle experimental impeller of the present invention.
Fig. 6 is a schematic view of the top view structure of the lower baffle of the middle experimental impeller of the present invention.
Fig. 7 is a schematic view of the top view structure of the lower baffle and the blades of the experimental impeller of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in fig. 1, an experimental device for simulating measurement of wear amount of a rotating runner blade includes an experimental barrel 8, a circulating pipeline 5, an experimental motor 7 and an experimental impeller 6. The top of the experimental barrel is open and the bottom of the experimental barrel is funnel-shaped with a big top and a small bottom.
The experiment motor is fixed in the experiment barrel through a supporting structure. The supporting structure comprises a supporting plate 10 and a supporting frame 11. The backup pad level is arranged on the upper portion of experiment bucket inner chamber, and the support frame setting is connected with the backup pad in the experiment bucket outside and extending to the experiment bucket.
The experimental impeller and the experimental motor are respectively arranged above and below the supporting plate. The experiment motor is fixed in the backup pad bottom surface, and the pivot of experiment motor is vertical upwards to pass the backup pad. The experiment motor is a variable-frequency submersible motor with adjustable rotating speed and is used for meeting the requirements of different rotating speeds and experiment environments.
The experimental impeller comprises an upper baffle 6.1, a lower baffle 6.2 and a plurality of blades 6.3 (as can be known from fig. 6, the blades are in an arc shape). The upper baffle and the lower baffle are horizontally arranged from top to bottom. The blades are vertically fixed between the upper baffle and the lower baffle and are arranged in a radial mode. An inlet pipe 6.4 is vertically fixed at the top of the upper baffle, and a through hole communicated with the inlet pipe is formed in the center of the upper baffle. The upper baffle can be made of transparent materials (such as organic glass) so as to facilitate experimental observation. The lower baffle is fixed with a rotating shaft of the experimental motor through a connecting piece (omitted in the figure) such as a flange plate, a plurality of fixing grooves 6.21 (facilitating the installation of the blades) matched with the blades are arranged on the top surface of the lower baffle, and the shapes of the fixing grooves are determined according to the shapes of the blades.
The blades are fixed with the upper baffle and the lower baffle through fasteners. The fastener can be a bolt, a plurality of upper fixing holes 6.11 for the bolt to penetrate through are formed in the upper baffle, a plurality of lower fixing holes 6.22 for the bolt to penetrate through are formed in the fixing groove of the lower baffle, and correspondingly, screw holes (omitted in the drawing) matched with the bolt are formed in the top and the bottom of the blade.
The inlet of the circulating pipeline is communicated with the bottom of the experiment barrel, the outlet of the circulating pipeline is communicated with the inlet pipe through the flange 12 arranged on the circulating pipeline and the bearing in the flange, the outer ring of the bearing is fixed with the flange, the inner ring of the bearing is fixed with the inlet pipe, and the inlet pipe rotates along with the experiment impeller and the circulating pipeline does not rotate.
And the circulating pipeline is sequentially provided with an inlet ball valve 9, a centrifugal pump 2, an outlet ball valve 3 and a flowmeter 4 along the flowing direction of liquid. The centrifugal pump is driven by a circulating motor 1. The flow meter is used for monitoring the flow. The circulating pipeline adopts a hose.
The utility model discloses a theory of operation is:
the blade to be tested is arranged in an experimental impeller, clean water is injected into an experimental barrel, and the liquid level needs to be higher than the experimental impeller by a certain height; opening an inlet ball valve and an outlet ball valve, and starting a circulating motor to enable clear water in the experiment barrel to continuously and circularly flow along a circulating pipeline; when the flow displayed by the flowmeter meets the experiment requirement, a certain amount of particles (the particle size of the particles is determined according to the requirement) are poured into the experiment barrel, the experiment motor is started, the particles enter the circulating pipeline through the bottom of the experiment barrel, and are discharged from the circulating pipeline and then return to the experiment barrel through the inlet pipe and the experiment impeller; after a period of operation, the blades of the experimental impeller are abraded, the experimental impeller is disassembled after the device is closed, the wall thickness of each position of each blade is measured, and finally required data are obtained.
Claims (6)
1. The utility model provides an experimental apparatus for simulation rotating flow path blade wearing capacity measures which characterized in that: the device comprises an experiment barrel (8), a circulating pipeline (5) with two ends communicated with the experiment barrel, an experiment motor (7) fixed in the experiment barrel through a supporting structure and an experiment impeller (6) driven by the experiment motor; the experimental impeller comprises an upper baffle (6.1) and a lower baffle (6.2) which are horizontally arranged up and down, a plurality of blades (6.3) fixed between the upper baffle and the lower baffle through fasteners, and an inlet pipe (6.4) vertically fixed at the top of the upper baffle; a rotating shaft of the experimental motor is vertically and upwards arranged and fixed with the lower baffle; and an inlet ball valve (9), a centrifugal pump (2), an outlet ball valve (3) and a flowmeter (4) are arranged on the circulating pipeline, the inlet of the circulating pipeline is communicated with the bottom of the experiment barrel, and the outlet of the circulating pipeline is communicated with the inlet pipe.
2. The experimental device for simulating measurement of wear of a rotating runner blade according to claim 1, wherein: the supporting structure comprises a supporting plate (10) horizontally arranged in the experiment barrel and a supporting frame (11) connected with the supporting plate; the experiment motor is fixed in the backup pad bottom surface, and the pivot of experiment motor is fixed with lower baffle after vertically upwards passing the backup pad.
3. The experimental device for simulating the measurement of the abrasion loss of the rotating runner blade according to claim 2, wherein: the lower baffle is provided with a plurality of fixing grooves (6.21) matched with the blades.
4. An experimental apparatus for simulating measurement of wear of a rotating runner blade according to claim 3, wherein: the inlet ball valve, the centrifugal pump, the outlet ball valve and the flow meter are sequentially arranged on the circulating pipeline along the flowing direction of the liquid.
5. The experimental device for simulating measurement of wear of a rotating runner blade according to claim 4, wherein: the bottom of the experimental barrel is funnel-shaped; the centrifugal pump is driven by a circulating motor (1).
6. The experimental device for simulating measurement of wear of a rotating runner blade according to claim 5, wherein: the outlet of the circulating pipeline is communicated with the inlet pipe through a flange (12) arranged on the circulating pipeline and a bearing in the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516776.7U CN210269479U (en) | 2019-04-16 | 2019-04-16 | Experimental device for simulating measurement of abrasion loss of rotating runner blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516776.7U CN210269479U (en) | 2019-04-16 | 2019-04-16 | Experimental device for simulating measurement of abrasion loss of rotating runner blade |
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| Publication Number | Publication Date |
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| CN210269479U true CN210269479U (en) | 2020-04-07 |
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| CN201920516776.7U Active CN210269479U (en) | 2019-04-16 | 2019-04-16 | Experimental device for simulating measurement of abrasion loss of rotating runner blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132778A (en) * | 2019-04-16 | 2019-08-16 | 浙江理工大学 | A kind of experimental provision for simulating eddy channel blade wear measurement |
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2019
- 2019-04-16 CN CN201920516776.7U patent/CN210269479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132778A (en) * | 2019-04-16 | 2019-08-16 | 浙江理工大学 | A kind of experimental provision for simulating eddy channel blade wear measurement |
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