CN114922822B - Testing device and testing method for shaft of high-temperature pump - Google Patents
Testing device and testing method for shaft of high-temperature pump Download PDFInfo
- Publication number
- CN114922822B CN114922822B CN202210627185.3A CN202210627185A CN114922822B CN 114922822 B CN114922822 B CN 114922822B CN 202210627185 A CN202210627185 A CN 202210627185A CN 114922822 B CN114922822 B CN 114922822B
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- cylinder
- shaft
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- waste
- testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a testing device and a testing method for a shaft of a high-temperature pump. The testing device comprises a temperature testing device, a grabbing device arranged on one side of the temperature testing device, a waste discharging device arranged in front of the grabbing device and a conveying assembly arranged in front of the waste discharging device. Because the shaft for the high-temperature pump is always in a high-temperature and humid environment, in order to test the durability of the shafts of different samples, the shafts are required to be put into a testing device for testing, so that the using effect of the shafts is ensured. The device is fully automatic, and reduces the manpower consumption.
Description
Technical Field
The invention belongs to the technical field of high-temperature pumps, and particularly relates to a testing device and a testing method for a shaft for a high-temperature pump.
Background
With the rapid development of the modern industry, more and more conditions will cause centrifugal pumps to deliver fluids at high temperatures. Such as high-speed centrifugal pumps for power plants to deliver boiler hot water, waste heat removal pumps for nuclear power plants, etc. During the actual operation of the pump, a certain temperature difference exists between the impeller and the pump shaft due to the fact that high-temperature fluid is conveyed. Therefore, the problem of assembly among the impeller, the impeller nut and the pump shaft is caused by the existence of the thermal unbalance condition, the accident of loosening of the impeller nut is easy to occur, and the safe operation of the pump is seriously influenced.
Chinese patent publication No. CN106382233a discloses a structure for heat balance between impeller and shaft of high temperature pump, comprising pump shaft, impeller nut, locking bolt, impeller key, inlet channel, outlet channel, channel one, channel two, channel three. The impeller nut and the locking bolt are connected to the shaft through threads, and the locking nut is self-locked under the driving of fluid flow, so that the loosening of the impeller nut is avoided. Due to the existence of the channel, fluid flows between the pump shaft and the impeller nut, and heat balance of the impeller and the pump shaft is achieved. Therefore, the heat balance between the impeller and the pump shaft can be effectively realized, and the stability and the safety of the high-temperature pump are improved.
The use effect of the high-temperature pump shaft cannot be ensured because the high-temperature pump shaft is always in a high-temperature and humid environment.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a testing device and a testing method for a shaft for a high temperature pump.
The invention provides the following technical scheme:
a shaft for a high temperature pump, the shaft passing the test of a testing device.
Specifically, the testing device comprises a temperature testing device, a grabbing device arranged at one side of the temperature testing device, a waste discharging device arranged in front of the grabbing device and a conveying assembly arranged in front of the waste discharging device.
Specifically, the temperature testing device comprises a box body which is placed on the ground through a bracket, and a water outlet pipe is arranged on the box body; a plurality of mounting plates are arranged on the box body, and a plurality of mounting holes are formed in the mounting plates; the cartridge heater is installed on the mounting plate through the mounting hole; the box body is internally symmetrically provided with support posts, and the support posts are provided with fixing plates; the shaft is arranged on the fixed plate through an arc clamp, the arc clamp on the left side clamps the fixed shaft, and the arc clamp on the right side does not clamp the fixed shaft, so that a small gap is kept between the arc clamp and the shaft; the shelf is positioned in front of the fixed plate and arranged in the box body, and a V-shaped groove is arranged on the shelf.
Specifically, the grabbing device comprises a square hole arranged on the frame body; the frame body is provided with a fourth air cylinder; the movable seat is arranged on the fourth cylinder; one end of the movable seat passes through the square hole and is provided with a fifth cylinder; the fixing seat is arranged on the air cylinder five, the air cylinder six and the air cylinder seven are symmetrically arranged on the fixing seat, and clamping blocks are arranged on the air cylinder six and the air cylinder seven.
Specifically, the cylinder six and the cylinder seven are installed on the fixed seat in the same direction, and the cylinder seven is retracted when the cylinder six extends out; and a sponge cushion is arranged on the inner side of the clamping block.
Specifically, the waste discharge device comprises a first cylinder arranged on a first cylinder mounting seat; the second cylinder is arranged on the second cylinder mounting seat; a third cylinder installed on the third cylinder installation seat; the track plate is arranged on the second air cylinder mounting seat and the third air cylinder mounting seat; the waste shelving plate is positioned right above the track plate and is arranged on the second cylinder mounting seat and the third cylinder mounting seat; the second cylinder mounting seat, the third cylinder mounting seat, the track plate and the waste placing plate are combined to form a track, and a conveying assembly is arranged in front of the track; pushing blocks are symmetrically arranged on the first cylinder; a sealing plate is arranged on the third cylinder, and the sealing plate can seal the track when being lifted; the sample placing block is positioned in front of the sealing plate and is arranged on the second cylinder; the proximity switch is positioned outside one side of the sample placing block and is arranged on the second cylinder, and the pushing block at one end is positioned between the proximity switch and the sample placing block; the minimum distance from the outer side surface of the clamping block to the sample placing block when the non-waste material is clamped is smaller than the minimum distance from the proximity switch to the sample placing block.
Specifically, the waste shelving plate and the track plate are inclined plates, and a baffle plate is arranged at one end of the waste shelving plate, which is close to the conveying assembly.
Specifically, the conveying component is a synchronous belt component.
Based on the device, the invention also provides a testing method of the testing device for the high-temperature pump shaft, which is characterized by comprising the following steps of:
step one, fixing the left and right sides of a shaft in a fixed plate through an arc clamp;
closing a valve on the water outlet pipe, pouring water into the box body, and starting the barrel heater;
step three, after the test is finished, opening a water outlet pipe, and after water is discharged from the water outlet pipe, taking down the arc-shaped clamp, and naturally dropping the shaft to the rest frame;
step four, starting a cylinder four, pushing a cylinder five to move left by the cylinder four, starting the cylinder five, and driving a fixing seat to move downwards to the position of the shaft by the cylinder five;
step five, opening a cylinder six and a cylinder seven, wherein the cylinder six extends out, the cylinder seven retracts, the shaft is clamped, and simultaneously, the cylinder four drives the cylinder five to recover to the original position and the shaft is loosened;
step six, the proximity switch judges whether the shaft is waste or not;
step seven, if the sample is waste, starting the first cylinder, the second cylinder and the third cylinder, so that the sealing plate is lifted up while the sample placing block is retracted, and the pushing block seals the track by the sealing plate, so that the shaft is pushed onto the waste placing plate;
and step eight, if the waste materials are not generated, starting the first cylinder and the second cylinder, so that the pushing block pushes the shaft into the track, and rolling down onto the conveying assembly.
And step nine, repeating the step one to the step eight.
A cryopump comprising a shaft passing through a testing apparatus as described above.
The beneficial effects of the invention are as follows:
1. because the shaft for the high-temperature pump is always in a high-temperature and humid environment, in order to test the durability of the shafts of different samples, the shafts are required to be put into a testing device for testing, so that the using effect of the shafts is ensured;
2. the device is fully automatic, so that the manpower consumption is reduced;
3. the device can automatically judge whether the shaft is qualified or not according to the test result of the temperature test device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic diagram showing the internal structure of the temperature testing device according to the present invention;
FIG. 3 is a rear view of the gripping device of the present invention;
FIG. 4 is a three-dimensional view of the waste discharging apparatus of the present invention;
fig. 5 is a cross-sectional view of a shelf in the present invention.
Detailed Description
Example 1
The invention provides a shaft for a high-temperature pump, wherein the shaft 106 passes the test of a testing device.
As shown in fig. 1, the testing device comprises a temperature testing device 1, a gripping device 2 arranged at one side of the temperature testing device 1, a waste discharging device 3 arranged in front of the gripping device 2, and a conveying assembly 4 arranged in front of the waste discharging device 3.
Because the shaft for the high-temperature pump is always in a high-temperature and humid environment, in order to test the durability of the shafts of different samples, the shafts are required to be put into a testing device for testing, so that the using effect of the shafts is ensured. The device is fully automatic, and reduces the manpower consumption.
Referring to fig. 2, the temperature testing apparatus 1 includes a case 101, the case 101 is placed on the ground through a bracket 108, a plurality of mounting plates 103 are mounted on the case 101, a plurality of mounting holes are formed in the mounting plates 103, a cartridge heater 102 is mounted on the mounting plates 103 through the mounting holes, support posts 104 are symmetrically mounted in the case 101, a fixing plate 105 is mounted on the support posts 104, a shaft 106 is mounted on the fixing plate 105 through an arc clamp 109, the left arc clamp 109 clamps the fixing shaft 106, the right arc clamp 109 does not clamp the fixing shaft 106, and a small gap is kept between the right arc clamp 109 and the shaft 106, so as to avoid the possibility of affecting the deformation of the shaft 106 due to high temperature, and a rest 107 is positioned in front of the fixing plate 105 and mounted in the case 101.
The tank 101 is provided with a water outlet pipe 110.
Referring to fig. 5, the V-shaped groove 111 is formed on the rest 107, so that the shaft 106 can be positioned when the arc clamp 109 is manually removed and the shaft 106 is directly dropped on the rest 107 after the test is completed.
Referring to fig. 1 and 3, the gripping device 2 includes a frame 201, a square hole 210 is formed in the frame 201, a fourth cylinder 202 is mounted on the frame 201, a moving seat 204 is mounted on the fourth cylinder 202, a fifth cylinder 203 is mounted at one end of the moving seat 204 through the square hole 210, a fixing seat 205 is mounted on the fifth cylinder 203, a sixth cylinder 206 and a seventh cylinder 207 are symmetrically mounted on the fixing seat 205, and clamping blocks 208 are mounted on the sixth cylinder 206 and the seventh cylinder 207.
The six cylinder 206 and the seven cylinder 207 are mounted on the fixing seat 205 in the same direction, and the seven cylinder 207 is retracted when the six cylinder 206 is extended.
A sponge pad is mounted on the inside of the clamping block 208.
Referring to fig. 4, the waste discharging device 3 includes a first cylinder 304 mounted on a first cylinder mounting seat 301, a second cylinder 305 mounted on a second cylinder mounting seat 302, a third cylinder 306 mounted on a third cylinder mounting seat 303, a rail plate 308 mounted on the second cylinder mounting seat 302 and the third cylinder mounting seat 303, a waste rest plate 309 positioned right above the rail plate 308 and mounted on the second cylinder mounting seat 302 and the third cylinder mounting seat 303, the second cylinder mounting seat 302, the third cylinder mounting seat 303, the rail plate 308 and the waste rest plate 309 are combined to form a rail 311, a conveying assembly 4 is arranged in front of the rail 311, a pushing block 307 is symmetrically mounted on the first cylinder 304, a sealing plate 312 is mounted on the third cylinder 306, when the sealing plate 312 is lifted, a sample rest block 310 is positioned in front of the sealing plate 312 and mounted on the second cylinder 305, a proximity switch 313 is positioned outside one side of the sample rest block 310 and mounted on the second cylinder 305, and the pushing block 307 at one end is positioned between the proximity switch 313 and the sample rest block 310.
The minimum distance from the outer side of the clamping block 208 to the sample rest block 310 when the non-scrap material is clamped is smaller than the minimum distance from the proximity switch 313 to the sample rest block 310.
When the proximity switch 313 transmits a signal, this means that the shaft 106 is deformed during the test by the temperature test device 1, and thus it is determined as scrap. The device can automatically judge whether the shaft 106 is qualified or not according to the test result of the temperature test device 1.
The waste rest plate 309 and the track plate 308 are both inclined plates for the axle 106 to roll thereon, and the waste rest plate 309 has a rail mounted near the end of the conveyor assembly 4 to prevent the axle 106 from rolling onto the conveyor assembly 4.
Cartridge heater 102, cylinder four 202, cylinder five 203, cylinder six 206, cylinder seven 207, cylinder one 304, cylinder two 305, cylinder three 306, transfer assembly 4, and proximity switch 313 are communicatively coupled to the control panel.
The control panel contains a PLC controller, the PLC controller can be used as a programmable numerical control system, the PLC is used as a central control system, and the touch screen is used for realizing program input and operation control of the whole machine, so that the whole processing process is automated. The control system can be used as a system for connecting each execution element to move according to a logic track, and the execution elements are controlled to operate according to required operation steps through programming.
The transfer assembly 4 remains open.
Based on the above device, the first embodiment of the present invention further provides a testing method using the testing device for a shaft for a high-temperature pump, including the following steps:
step one, fixing the left and right sides of the shaft 106 in the fixing plate 105 through the arc-shaped clamp 109;
step two, closing a valve on the water outlet pipe 110, pouring water into the box body 101, and starting the cartridge heater 102;
step three, after the test is completed, the water outlet pipe 110 is opened, after water is discharged from the water outlet pipe 110, the arc-shaped clamp 109 is taken down, and the shaft 106 naturally falls to the rest stand 107;
step four, opening a cylinder IV 202, wherein the cylinder IV 202 pushes a cylinder V203 to move left, opening the cylinder V203, and the cylinder V203 drives a fixing seat 205 to move downwards to the position of the shaft 106;
step five, opening a cylinder six 206 and a cylinder seven 207, wherein the cylinder six 206 extends and the cylinder seven 207 retracts to clamp the shaft 106, and simultaneously, the cylinder four 202 drives the cylinder five 203 to restore to the original position and releases the shaft 106;
step six, the proximity switch 313 determines whether the shaft 106 is scrap;
step seven, if waste, then cylinder one 304, cylinder two 305 and cylinder three 306 are turned on, thereby raising the closing plate 312 while retracting the sample resting block 310, and pushing block 307 pushes the shaft 106 onto the waste resting plate 309 as the closing plate 312 seals the rail 311;
step eight, if not scrap, cylinder one 304 and cylinder two 305 are activated, pushing block 307 pushes shaft 106 into track 311, rolling down onto transfer assembly 4.
And step nine, repeating the step one to the step eight.
Example two
The conveying assembly 4 is a synchronous belt assembly.
The second embodiment also proposes a cryopump including the shaft 106 passing through the testing apparatus.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The testing device for the shaft of the high-temperature pump is characterized by comprising a temperature testing device (1), a grabbing device (2) arranged at one side of the temperature testing device (1), a waste discharging device (3) arranged in front of the grabbing device (2), and a conveying assembly (4) arranged in front of the waste discharging device (3);
the temperature testing device (1) comprises
The box body (101), the box body (101) is placed on the ground through a bracket (108), and a water outlet pipe (110) is arranged on the box body (101);
the box body (101) is provided with a plurality of mounting plates (103), and the mounting plates (103) are provided with a plurality of mounting holes;
a cartridge heater (102) mounted on the mounting plate (103) through the mounting hole;
the fixing plate (105), wherein the box body (101) is internally symmetrically provided with the support posts (104), and the support posts (104) are provided with the fixing plate (105);
the shaft (106) is arranged on the fixed plate (105) through the arc clamp (109), the left arc clamp (109) clamps the fixed shaft (106), and the right arc clamp (109) does not clamp the fixed shaft (106) so as to keep a small gap with the shaft (106);
the shelf (107) is positioned in front of the fixed plate (105) and is arranged in the box body (101), and the shelf (107) is provided with a V-shaped groove (111).
2. Testing device of a shaft for a cryopump according to claim 1, characterized in that the gripping means (2) comprise
The device comprises a frame body (201), wherein square holes (210) are formed in the frame body (201);
the fourth air cylinder (202) is arranged on the frame body (201);
a moving seat (204) mounted on the fourth cylinder (202);
a fifth cylinder (203), wherein one end of the movable seat (204) penetrates through the square hole (210) and is provided with the fifth cylinder (203);
the novel air conditioner comprises an air cylinder six (206) and an air cylinder seven (207), wherein a fixing seat (205) is arranged on the air cylinder five (203), the air cylinder six (206) and the air cylinder seven (207) are symmetrically arranged on the fixing seat (205), and clamping blocks (208) are arranged on the air cylinder six (206) and the air cylinder seven (207).
3. The testing device of a shaft for a high-temperature pump according to claim 2, wherein the cylinder six (206) and the cylinder seven (207) are mounted on a fixed seat (205) in the same direction, and the cylinder seven (207) is retracted when the cylinder six (206) is extended; a foam cushion is arranged on the inner side of the clamping block (208).
4. The device for testing a shaft for a high-temperature pump according to claim 2, wherein the waste discharging means (3) comprises
A first cylinder (304), a first cylinder (304) mounted on the first cylinder mount (301);
a second cylinder (305), a second cylinder (305) mounted on the second cylinder mount (302);
cylinder three (306), cylinder three (306) mounted on cylinder mount three (303);
a track plate (308), a track plate (308) mounted on the second cylinder mount (302) and the third cylinder mount (303);
a scrap rest plate (309), a scrap rest plate (309) located directly above the rail plate (308) and mounted on cylinder mount two (302) and cylinder mount three (303);
the rail (311), the second cylinder mounting seat (302), the third cylinder mounting seat (303), the rail plate (308) and the waste shelving plate (309) are combined to form the rail (311), and a conveying assembly (4) is arranged in front of the rail (311);
the pushing block (307) is symmetrically arranged on the first cylinder (304);
a sealing plate (312), wherein the sealing plate (312) is arranged on the third cylinder (306), and the sealing plate (312) can seal the track (311) when lifted;
a sample rest block (310) positioned in front of the seal plate (312) and mounted on the cylinder two (305), the sample rest block (310);
a proximity switch (313), a proximity switch (313) which is arranged outside one side of the sample placing block (310) and is arranged on the second cylinder (305), wherein the pushing block (307) at one end is arranged between the proximity switch (313) and the sample placing block (310); the minimum distance from the outer side surface of the clamping block (208) to the sample placing block (310) when the non-waste material is clamped is smaller than the minimum distance from the proximity switch (313) to the sample placing block (310).
5. The device for testing a shaft for a cryopump of claim 4, wherein the waste rest plate (309) and the rail plate (308) are inclined plates, and a baffle is mounted on an end of the waste rest plate (309) close to the transfer assembly (4).
6. The device for testing a shaft for a high-temperature pump according to claim 1, wherein the transmission assembly (4) is a timing belt assembly.
7. A test method using the test device for a shaft for a high-temperature pump according to claim 4, comprising the steps of:
step one, fixing the left and right sides of a shaft (106) in a fixed plate (105) through an arc clamp (109);
closing a valve on the water outlet pipe (110), pouring water into the box body (101), and starting the cartridge heater (102);
step three, after the test is finished, the water outlet pipe (110) is opened, after water is discharged from the water outlet pipe (110), the arc-shaped clamp (109) is taken down, and the shaft (106) naturally drops to the rest stand (107);
step four, starting a cylinder IV (202), wherein the cylinder IV (202) pushes a cylinder V (203) to move left, starting the cylinder V (203), and the cylinder V (203) drives a fixing seat (205) to move downwards to the position of a shaft (106);
step five, opening a cylinder six (206) and a cylinder seven (207), wherein the cylinder six (206) stretches out, the cylinder seven (207) retracts to clamp the shaft (106), and simultaneously, the cylinder four (202) drives the cylinder five (203) to restore to the original position and releases the shaft (106);
step six, the proximity switch (313) judges whether the shaft (106) is waste or not;
step seven, if the waste is the waste, the first cylinder (304), the second cylinder (305) and the third cylinder (306) are started, so that the sealing plate (312) is lifted while the sample placing block (310) is retracted, and the pushing block (307) seals the track (311) by virtue of the sealing plate (312), so that the shaft (106) is pushed onto the waste placing plate (309);
step eight, if no waste is generated, opening the first cylinder (304) and the second cylinder (305), so that the pushing block (307) pushes the shaft (106) into the track (311) to roll onto the conveying assembly (4);
and step nine, repeating the step one to the step eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627185.3A CN114922822B (en) | 2022-06-01 | 2022-06-01 | Testing device and testing method for shaft of high-temperature pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627185.3A CN114922822B (en) | 2022-06-01 | 2022-06-01 | Testing device and testing method for shaft of high-temperature pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114922822A CN114922822A (en) | 2022-08-19 |
| CN114922822B true CN114922822B (en) | 2024-02-27 |
Family
ID=82812727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210627185.3A Active CN114922822B (en) | 2022-06-01 | 2022-06-01 | Testing device and testing method for shaft of high-temperature pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114922822B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN208966711U (en) * | 2018-07-18 | 2019-06-11 | 江苏长凯机械设备有限公司 | A kind of bearing air blast cooling self-cooling structure of heat-exchanger pump |
| CN110131181A (en) * | 2019-05-29 | 2019-08-16 | 江苏大学 | A kind of test centrifugal pump conveys the experimental provision of flexible long grain obstruction and abrasion |
| CN112814916A (en) * | 2021-03-09 | 2021-05-18 | 合肥华升泵阀股份有限公司 | Horizontal test model pump of axial-flow pump |
-
2022
- 2022-06-01 CN CN202210627185.3A patent/CN114922822B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN208966711U (en) * | 2018-07-18 | 2019-06-11 | 江苏长凯机械设备有限公司 | A kind of bearing air blast cooling self-cooling structure of heat-exchanger pump |
| CN110131181A (en) * | 2019-05-29 | 2019-08-16 | 江苏大学 | A kind of test centrifugal pump conveys the experimental provision of flexible long grain obstruction and abrasion |
| CN112814916A (en) * | 2021-03-09 | 2021-05-18 | 合肥华升泵阀股份有限公司 | Horizontal test model pump of axial-flow pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114922822A (en) | 2022-08-19 |
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