CN114922822A - High temperature pump shaft and high temperature pump thereof - Google Patents
High temperature pump shaft and high temperature pump thereof Download PDFInfo
- Publication number
- CN114922822A CN114922822A CN202210627185.3A CN202210627185A CN114922822A CN 114922822 A CN114922822 A CN 114922822A CN 202210627185 A CN202210627185 A CN 202210627185A CN 114922822 A CN114922822 A CN 114922822A
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- cylinder
- shaft
- plate
- high temperature
- temperature pump
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- 238000012360 testing method Methods 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000000284 resting effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a shaft for a high-temperature pump, which passes the test of a test device. The testing device comprises a temperature testing device, a gripping device arranged on one side of the temperature testing device, a waste discharge device arranged in front of the gripping device, and a conveying assembly arranged in front of the waste discharge device. Because the high temperature is in high temperature and moist environment all the time with the axle, in order to test the durable degree of the axle of different samples, need put into the testing arrangement to the axle and test, guarantee the result of use of axle. The whole process of the device is automatic, and the manpower consumption is reduced.
Description
Technical Field
The invention belongs to the technical field of high-temperature pumps, and particularly relates to a shaft for a high-temperature pump and the high-temperature pump.
Background
With the rapid development of modern industries, there are more and more situations in which centrifugal pumps deliver fluids at high temperatures. Such as high-speed centrifugal pumps for boiler hot water delivery in power plants, 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, due to the existence of the thermal unbalance condition, the problem of assembly among the impeller, the impeller nut and the pump shaft is caused, the loosening accident of the impeller nut is easy to happen, and the safe operation of the pump is seriously influenced.
Chinese patent publication No. CN106382233A discloses a structure for heat balance between high-temperature pump impellers and shafts, which includes a pump shaft, an impeller nut, a locking bolt, an impeller key, an inlet channel, an outlet channel, a channel one, a channel two, and a channel three. The impeller nut and the locking bolt are connected to the shaft through threads, and the self-locking of the locking nut is realized 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 realized. 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.
Because the shaft for the high-temperature pump is always in a high-temperature and humid environment, the use effect of the shaft for the high-temperature pump cannot be guaranteed.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a shaft for a high temperature pump and a high temperature pump thereof.
The invention provides the following technical scheme:
a shaft for a high temperature pump, the shaft passing testing by a testing device.
Specifically, testing arrangement includes temperature test device, arranges the grabbing device of temperature test device one side in, arranges in the exhaust device in grabbing device the place ahead arranges in the conveying subassembly in exhaust device the place ahead.
Specifically, the temperature testing device comprises a box body, a water outlet pipe and a water outlet pipe, wherein the box body is placed on the ground through a support; the box body is provided with a plurality of mounting plates, and the mounting plates are provided with a plurality of mounting holes; the cylindrical heater passes through the mounting hole and is mounted on the mounting plate; pillars are symmetrically arranged in the box body, and fixing plates are arranged on the pillars; the shaft is arranged on the fixed plate through the arc-shaped clamp, the arc-shaped clamp on the left side clamps the fixed shaft, and the arc-shaped clamp on the right side does not clamp the fixed shaft, so that a small gap is kept between the arc-shaped clamp and the shaft; the placing frame is positioned in front of the fixed plate and is arranged in the box body, and a V-shaped groove is formed in the placing frame.
Specifically, the gripping device comprises a frame body provided with a square hole; the frame body is provided with a cylinder IV; the movable seat is arranged on the cylinder IV; one end of the movable seat penetrates through the square hole and is provided with a cylinder V; and a fixing seat is arranged on the cylinder five, a cylinder six and a cylinder seven are symmetrically arranged on the fixing seat, and clamping blocks are arranged on the cylinder six and the cylinder seven.
Specifically, the cylinder six and the cylinder seven are installed on the fixed seat in the same direction, and the cylinder seven retracts when the cylinder six extends out; the sponge cushion is arranged on the inner side of the clamping block.
Specifically, the waste discharge device comprises a first air cylinder arranged on a first air cylinder mounting seat; a second cylinder mounted on the second cylinder mounting seat; a cylinder III mounted on the cylinder mounting seat III; the track plates are arranged on the cylinder mounting base II and the cylinder mounting base III; the waste material placing plate is positioned right above the track plate and is arranged on the air cylinder mounting seat II and the air cylinder mounting seat III; the second cylinder mounting seat, the third cylinder mounting seat, the track plate and the waste material placing plate are combined to form a track, and a conveying assembly is arranged in front of the track; the first air cylinder is symmetrically provided with pushing blocks; a sealing plate is arranged on the cylinder III, and the sealing plate can seal the track when lifted; the sample placing block is positioned in front of the sealing plate and is arranged on the second air cylinder; the proximity switch is positioned outside one side of the sample placing block and is installed on the second air cylinder, and the pushing block at one end is positioned between the proximity switch and the sample placing block; when the non-waste material is clamped, the minimum distance from the outer side surface of the clamping block to the sample placing block is smaller than the minimum distance from the proximity switch to the sample placing block.
Specifically, the waste material placing plate and the track plate are inclined plane plates, and a baffle plate is arranged at one end, close to the conveying assembly, of the waste material placing plate.
In particular, the conveying assembly is a synchronous belt assembly.
Based on the device, the invention also provides a test method using the test device for the shaft for the high-temperature pump, which is characterized by comprising the following steps of:
fixing the left side and the right side of a shaft in a fixing plate through an arc-shaped clamp;
step two, closing a valve on a water outlet pipe, pouring water into the box body, and opening a cylinder type heater;
step three, after the test is finished, opening a water outlet pipe, taking down the arc-shaped clamp after water is discharged from the water outlet pipe, and naturally dropping the shaft to the rest rack;
step four, starting a cylinder four, pushing a cylinder five to move left, starting the cylinder five, and driving a fixed seat to move downwards to the position of the shaft by the cylinder five;
step five, starting a cylinder six and a cylinder seven, wherein the cylinder six extends out and the cylinder seven retracts to clamp the shaft, and meanwhile, the cylinder four drives the cylinder five to recover to the original position and loosen the shaft;
judging whether the shaft is waste material or not by the proximity switch;
step seven, if the waste materials exist, starting the first air cylinder, the second air cylinder and the third air cylinder, so that the sealing plate is lifted while the sample placing block is withdrawn, and the pushing block seals the track due to the sealing plate, so that the shaft is pushed onto the waste material placing plate;
and step eight, if the waste materials are not generated, opening the first air cylinder and the second air cylinder, so that the pushing block pushes the shaft into the track, and the shaft falls onto the conveying assembly in a rolling mode.
And step nine, repeating the steps from the first step to the eighth step.
A high temperature pump comprises the shaft passing the test device.
The invention has the beneficial effects that:
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 need to be placed in a testing device for testing, and the using effect of the shafts is ensured;
2. the device is automatic in the whole process, 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, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view showing the internal structure of the temperature measuring device according to the present invention;
FIG. 3 is a rear view of the grasping device according to the present invention;
FIG. 4 is a three-dimensional view of the waste device of the present invention;
fig. 5 is a sectional view of the shelf of the present invention.
Detailed Description
Example one
The invention provides a shaft for a high-temperature pump, wherein the shaft 106 passes the test of a test 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 high temperature is in high temperature and moist environment for the shaft all the time, in order to test the durable degree of the axle of different samples, need put into testing arrangement the axle and test, guarantee the result of use of axle. The whole process of the device is automatic, and the manpower consumption is reduced.
Referring to fig. 2, the temperature measuring device 1 includes a box 101, the box 101 is placed on the ground through a bracket 108, a plurality of mounting plates 103 are mounted on the box 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, pillars 104 are symmetrically mounted in the box 101, fixing plates 105 are mounted on the pillars 104, a shaft 106 is mounted on the fixing plates 105 through arc clamps 109, the arc clamp 109 on the left side clamps the fixing shaft 106, and the arc clamp 109 on the right side does not clamp the fixing shaft 106, so that a small gap is maintained between the fixing shaft 106 and the fixing plate to avoid affecting the possibility of deformation of the shaft 106 due to high temperature, and a rest 107 is located in front of the fixing plates 105 and mounted in the box 101.
The box body 101 is provided with a water outlet pipe 110.
Referring to fig. 5, the placing rack 107 is provided with a V-shaped groove 111 for facilitating manual removal of the arc fixture 109 after the test is completed, and the shaft 106 can be positioned when the shaft 106 directly falls on the placing rack 107.
Referring to fig. 1 and 3, the gripping device 2 includes a frame body 201, a square hole 210 is formed in the frame body 201, a cylinder four 202 is installed on the frame body 201, a movable seat 204 is installed on the cylinder four 202, a cylinder five 203 is installed at one end of the movable seat 204 through the square hole 210, a fixed seat 205 is installed on the cylinder five 203, a cylinder six 206 and a cylinder seven 207 are symmetrically installed on the fixed seat 205, and clamping blocks 208 are installed on the cylinder six 206 and the cylinder seven 207.
The six air cylinders 206 and the seven air cylinders 207 are arranged on the fixed seat 205 in the same direction, and the seven air cylinders 207 retract when the six air cylinders 206 extend.
A spongy cushion is arranged on the inner side of the clamping block 208.
Referring to fig. 4, the waste discharging apparatus 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 track plate 308 mounted on the second cylinder mounting seat 302 and the third cylinder mounting seat 303, a waste resting plate 309 located directly above the track 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 track plate 308 and the waste resting plate 309 forming a track 311, a conveying assembly 4 disposed in front of the track 311, pushing blocks 307 symmetrically mounted on the first cylinder 304, a sealing plate 312 mounted on the third cylinder 306, the sealing plate 312 capable of sealing the track 311 when being lifted, and a sample resting block 310 located in front of the sealing plate 312 and mounted on the second cylinder 305, a proximity switch 313 located outside the sample rest block 310 on one side and mounted on cylinder two 305, the push block 307 at one end being located between the proximity switch 313 and sample rest block 310.
The minimum distance from the outer side surface of the clamping block 208 to the sample rest block 310 when clamping non-waste materials is smaller than the minimum distance from the proximity switch 313 to the sample rest block 310.
Therefore, when the proximity switch 313 transmits a signal, it means that the shaft 106 is deformed at the time of the test of the temperature test apparatus 1, and it is determined as waste. Therefore, the present apparatus can automatically determine whether the shaft 106 is produced properly based on the test result of the temperature test apparatus 1.
The waste material placing plate 309 and the track plate 308 are both inclined plane plates, which are convenient for the shaft 106 to roll on, and a baffle plate is installed at one end of the waste material placing plate 309 close to the conveying component 4, so that the shaft 106 is prevented from rolling down on the conveying component 4.
The control panel is internally provided with a PLC controller which can program a numerical control system, the PLC is used as a central control system, the touch screen is used for realizing the program input and the operation control of the whole machine, and the automation of the whole processing process is realized. 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 the required operation steps through programming.
The transfer assembly 4 remains open.
Based on the device, the first embodiment of the invention also provides a testing method using the testing device for the shaft for the high-temperature pump, which comprises the following steps:
step one, fixing the left side and the right side of a shaft 106 in a fixing plate 105 through an arc clamp 109;
step two, closing a valve on the water outlet pipe 110, pouring water into the box body 101, and opening the cylinder type heater 102;
step three, after the test is finished, the water outlet pipe 110 is opened, the arc-shaped clamp 109 is taken down after water is discharged from the water outlet pipe 110, and the shaft 106 naturally falls to the rest stand 107;
step four, starting a cylinder four 202, wherein the cylinder four 202 pushes a cylinder five 203 to move left, the cylinder five 203 is started, and the cylinder five 203 drives the fixing seat 205 to move downwards to the position of the shaft 106;
step five, starting a cylinder six 206 and a cylinder seven 207, wherein the cylinder six 206 extends out, the cylinder seven 207 retracts to clamp the shaft 106, and meanwhile, the cylinder four 202 drives the cylinder five 203 to recover to the original position and releases the shaft 106;
step six, the proximity switch 313 judges whether the shaft 106 is waste material;
step seven, if the waste is produced, the first air cylinder 304, the second air cylinder 305 and the third air cylinder 306 are started, so that the sealing plate 312 is lifted while the sample resting block 310 is withdrawn, and the pushing block 307 seals the rail 311 due to the sealing plate 312, so that the shaft 106 is pushed onto the waste resting plate 309;
in step eight, if the material is not waste, the first air cylinder 304 and the second air cylinder 305 are opened, so that the pushing block 307 pushes the shaft 106 into the track 311, and the shaft falls onto the conveying assembly 4.
And step nine, repeating the steps from the first step to the eighth step.
Example two
The conveyor assembly 4 is a timing belt assembly.
The second embodiment also provides a high temperature pump, which includes the shaft 106 passing the testing device.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A shaft for a high temperature pump, characterized in that the shaft (106) passes the test of a test device.
2. A shaft for a high temperature pump according to claim 1, characterized in that 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 device (3) arranged in front of the gripping device (2), and a transfer assembly (4) arranged in front of the waste device (3).
3. A shaft for a high temperature pump according to claim 2, characterized in that the temperature testing device (1) comprises
The water storage tank comprises a tank body (101), wherein the tank body (101) is placed on the ground through a support (108), and a water outlet pipe (110) is arranged on the tank body (101);
the mounting plate (103), a plurality of mounting plates (103) are mounted on the box body (101), and a plurality of mounting holes are formed in the mounting plates (103);
a cartridge heater (102) mounted on the mounting plate (103) through the mounting hole;
the fixing plate (105), the support columns (104) are symmetrically installed in the box body (101), and the fixing plate (105) is installed on the support columns (104);
the shaft (106) is mounted on the fixing plate (105) through the arc clamp (109), the arc clamp (109) on the left side clamps the fixing shaft (106), and the arc clamp (109) on the right side keeps a little gap with the shaft (106) without clamping the fixing shaft (106);
the shelf (107) is positioned in front of the fixing plate (105) and is arranged in the box body (101), and a V-shaped groove (111) is formed in the shelf (107).
4. A shaft for a high temperature pump according to claim 3, characterized in that the gripping means (2) comprises
The rack body (201), wherein a square hole (210) is formed in the rack body (201);
the cylinder IV (202) is mounted on the frame body (201);
the moving seat (204) is arranged on the cylinder IV (202);
one end of the moving seat (204) penetrates through the square hole (210) and is provided with a fifth air cylinder (203);
the pneumatic clamping device comprises a cylinder six (206) and a cylinder seven (207), wherein a fixed seat (205) is installed on the cylinder five (203), the fixed seat (205) is symmetrically provided with the cylinder six (206) and the cylinder seven (207), and clamping blocks (208) are installed on the cylinder six (206) and the cylinder seven (207).
5. A shaft for a high temperature pump according to claim 4, characterized in that the cylinder six (206) and the cylinder seven (207) are mounted on the fixing base (205) in the same orientation, and the cylinder seven (207) retracts when the cylinder six (206) is extended; the inner side of the clamping block (208) is provided with a spongy cushion.
6. A shaft for a high temperature pump according to claim 4, characterized in that the waste device (3) comprises
The first air cylinder (304), the first air cylinder (304) is installed on the first air cylinder installation base (301);
a second cylinder (305), the second cylinder (305) being mounted on the second cylinder mounting seat (302);
a cylinder III (306), the cylinder III (306) is arranged on the cylinder mounting seat III (303);
the track plate (308) is arranged on the second cylinder mounting base (302) and the third cylinder mounting base (303);
the waste material placing plate (309) is positioned right above the track plate (308) and is arranged on the second cylinder mounting seat (302) and the third cylinder mounting seat (303);
the cylinder mounting base II (302), the cylinder mounting base III (303), the track plate (308) and the waste material placing plate (309) are combined to form the track (311), and the conveying assembly (4) is arranged in front of the track (311);
the pushing blocks (307) are symmetrically arranged on the first air cylinder (304);
a sealing plate (312) is mounted on the cylinder III (306), and the sealing plate (312) can seal the rail (311) when being lifted;
a sample rest block (310) located in front of the closing plate (312) and mounted on the second cylinder (305) on the sample rest block (310);
a proximity switch (313) located outside one side of the sample rest block (310) and mounted on a second cylinder (305), the push block (307) at one end being located between the proximity switch (313) and the sample rest block (310); when the non-waste material is clamped, the minimum distance from the outer side surface of the clamping block (208) to the sample placing block (310) is smaller than the minimum distance from the proximity switch (313) to the sample placing block (310).
7. A shaft for a high temperature pump according to claim 6, characterized in that the scrap-holding plate (309) and the track plate (308) are both inclined plane plates, and the scrap-holding plate (309) is provided with a fence near one end of the transfer assembly (4).
8. A shaft for a high temperature pump according to claim 2, characterized in that the transfer assembly (4) is a timing belt assembly.
9. A testing method using the testing apparatus for a shaft for a high-temperature pump according to claim 6, comprising the steps of:
fixing the left side and the right side of a shaft (106) in a fixing plate (105) through an arc-shaped clamp (109);
step two, closing a valve on the water outlet pipe (110), pouring water into the box body (101), and opening the cylinder type heater (102);
step three, after the test is finished, opening the water outlet pipe (110), taking down the arc-shaped clamp (109) after water is discharged from the water outlet pipe (110), and naturally dropping the shaft (106) to the rest stand (107);
step four, starting a cylinder four (202), wherein the cylinder four (202) pushes a cylinder five (203) to move left, starting the cylinder five (203), and the cylinder five (203) drives a fixed seat (205) to move down to the position of the shaft (106);
step five, starting a cylinder six (206) and a cylinder seven (207), wherein the cylinder six (206) extends out, the cylinder seven (207) retracts, the shaft (106) is clamped, meanwhile, the cylinder four (202) drives the cylinder five (203) to return to the original position, and the shaft (106) is loosened;
step six, the proximity switch (313) judges whether the shaft (106) is waste or not;
step seven, if the waste material exists, starting a first air cylinder (304), a second air cylinder (305) and a third air cylinder (306), so as to lift a sealing plate (312) while withdrawing a sample rest block (310), and pushing a block (307) to push a shaft (106) onto a waste material rest plate (309) because the sealing plate (312) seals a track (311);
step eight, if the waste materials are not generated, starting a first air cylinder (304) and a second air cylinder (305), so that a pushing block (307) pushes a shaft (106) into a track (311) and then the shaft falls onto the conveying assembly (4);
and step nine, repeating the steps from the first step to the eighth step.
10. A high temperature pump comprising a shaft, wherein the shaft is in accordance with claim 1.
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 true CN114922822A (en) | 2022-08-19 |
| CN114922822B 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 |
|---|---|
| CN114922822B (en) | 2024-02-27 |
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