CN111947955A - Inner bottom liquid flow test device - Google Patents
Inner bottom liquid flow test device Download PDFInfo
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- CN111947955A CN111947955A CN202010759202.XA CN202010759202A CN111947955A CN 111947955 A CN111947955 A CN 111947955A CN 202010759202 A CN202010759202 A CN 202010759202A CN 111947955 A CN111947955 A CN 111947955A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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Abstract
The invention provides an insole liquid flow test device, which solves the problems that the existing liquid flow test device is complex in structure and easy to damage an insole. The device comprises a water inlet collector, a water inlet pipeline, a top plate, a water inlet assembly and a top core; the inlet of the water inlet pipeline is connected with the collection liquid outlet of the water inlet collector, and the outlet of the water inlet pipeline is connected with the water inlet assembly; the water inlet assembly comprises an annular water inlet pipe, a water inlet ring sleeve and a plurality of water inlet connecting nozzles; the plurality of water inlet connecting nozzles are arranged on the annular water inlet pipe; the annular water inlet pipe is sleeved on the outer side of the water inlet ring sleeve, an annular notch is formed in the inner wall, which is in contact with the water inlet ring sleeve, and a plurality of water inlet holes which are circumferentially arranged are formed in the outer wall of the water inlet ring sleeve; the top core comprises a cover plate, a support ring and a support bottom plate, the support ring is arranged in the water inlet ring sleeve, the cover plate is arranged at the top of the support ring, and the support bottom plate is arranged at the bottom of the support ring; the inner bottom is sleeved outside the support ring; the top plate is arranged above the bottom plate of the cylinder body and is connected with the water inlet ring sleeve.
Description
Technical Field
The invention relates to an injector insole, in particular to an insole liquid flow test device.
Background
During the development of the liquid coal injector, an inner bottom is a key part, and the performance of the inner bottom directly influences the working performance of the injector. As shown in fig. 1, the inner bottom is of a cylindrical structure and has the characteristics of large size, softness, complex appearance structure and the like, before the inner bottom is installed on the injector, a liquid flow test is required to obtain performance parameters of the inner bottom, and whether the inner bottom meets the design requirements or not is verified to be used for assembling the injector or not. The inner bottom liquid flow test needs to measure the pressure drop before the injection of the inlet and the tangential holes of the inner bottom at a given flow, the test requires that water is fed by a circumferential ring at the lower part of the outer wall of the cylinder, water is discharged from nearly hundreds of tangential holes which are uniformly distributed at the bottom of the outer wall of the cylinder in the circumferential direction, a large-flow test medium passes through the inner bottom under high pressure, the test is finished, and the safety of the inner bottom is guaranteed.
The existing testing device is complex in structure and not suitable for the inner bottom, and meanwhile, the inner bottom is easy to damage due to the fact that the inner bottom has the characteristics of being large, soft, complex in appearance structure and the like, and the inner bottom is scrapped, so that the production and manufacturing cost is increased.
Disclosure of Invention
The invention aims to solve the problems that the existing liquid flow test device is complex in structure and easy to damage an insole, and provides an insole liquid flow test device which can verify performance parameters of the insole so as to guarantee reliable operation of an injector.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a liquid flow test device for an inner bottom is characterized in that the inner bottom is of a barrel structure, a plurality of overflowing holes are formed in a barrel bottom plate, a plurality of spiral grooves and tangential holes are formed in the outer wall of a barrel, the tangential holes are communicated with the bottoms of the spiral grooves, and the liquid flow test device comprises a water inlet collector, a water inlet pipeline, a top plate, a water inlet assembly and a top core; the water inlet collector is provided with a one-way collecting liquid inlet and a plurality of-way collecting liquid outlets, and the plurality of-way collecting liquid outlets are communicated with the collecting liquid inlet; the inlet of the water inlet pipelines is connected with the collection liquid outlet of the water inlet collector, and the outlet of the water inlet pipelines is connected with the water inlet assembly; the water inlet assembly comprises an annular water inlet pipe, a water inlet ring sleeve and a plurality of water inlet connecting nozzles; the water inlet connectors are arranged on the annular water inlet pipe, the inlet of the water inlet connectors is connected with the outlet of the water inlet pipeline, and the outlet of the water inlet connectors is communicated with the inner cavity of the annular water inlet pipe; the annular water inlet pipe is sleeved on the outer side of the water inlet ring sleeve, an annular notch is formed in the inner wall, which is in contact with the water inlet ring sleeve, of the annular water inlet pipe, a plurality of water inlet holes which are circumferentially arranged are formed in the outer wall of the water inlet ring sleeve, and the water inlet holes are communicated with the inner cavity of the annular water inlet pipe through the annular notch; the top core comprises a cover plate, a support ring and a support bottom plate, the support ring is arranged in the water inlet ring sleeve, and a plurality of water outlets are formed in the side wall of the support ring; the cover plate is arranged at the top of the support ring and positioned in the water inlet ring sleeve, the end surface of the cover plate is provided with a plurality of water inlets, the support bottom plate is arranged at the bottom of the support ring and positioned below the water inlet ring sleeve, the end surface of the support bottom plate is provided with a plurality of bottom plate liquid outlets, and the bottom plate liquid outlets are positioned at the outer side of the support ring and communicated with the water inlet holes of the water inlet ring sleeve; the inner bottom is sleeved on the outer side of the support ring, the outer wall of the barrel is arranged between the support ring and the water inlet ring sleeve, the tangential hole is arranged below the water inlet hole and is positioned between the water inlet hole and the liquid outlet of the bottom plate, and the bottom plate of the barrel is arranged above the cover plate; the top plate is arranged above the bottom plate of the cylinder body and connected with the water inlet ring sleeve.
Further, the top of roof is provided with first pressure and surveys the mouth, be provided with second pressure on the outer wall of annular inlet tube and survey the mouth.
Further, a rubber protection pad is arranged between the top plate and the bottom plate of the cylinder body.
Furthermore, be provided with first sealing washer on the contact surface of roof and water inlet ring cover, be provided with the second sealing washer on the contact surface of barrel outer wall and support ring, and the second sealing washer is located the below of delivery port, be provided with the third sealing washer on the contact surface of barrel outer wall bottom and water inlet ring cover, and the third sealing washer is located the below of inlet opening.
Furthermore, the width of the annular gap is larger than the diameter of the water inlet hole, so that water can uniformly and smoothly enter the water inlet ring sleeve.
Further, be provided with mounting flange on the outer wall of water inlet ring cover, and mounting flange's up end is located the below of water inlet ring up end, the roof passes through mounting flange and water inlet ring cover fixed connection.
Further, a handle is arranged at the top of the top plate.
Furthermore, the water inlet pipelines are four groups and are uniformly distributed along the circumferential direction of the water inlet ring sleeve.
Further, the top of annular inlet tube is provided with a plurality of breachs, the welding of water inlet connector is in annular inlet tube top to through the cavity intercommunication of breach and annular inlet tube.
Furthermore, the annular water inlet pipe is formed by welding four sections of steel pipes.
Compared with the prior art, the technical scheme of the invention has the advantages that:
1. in the inner bottom liquid flow test device, the top core and the water inlet assembly are integrated and matched with each other, so that the inner bottom is arranged in a space which is formed by the water inlet assembly, the top core and the top plate and is consistent with the shape of the inner bottom, the inner bottom is prevented from being damaged during testing, the smooth operation of a liquid flow test is ensured, and the verification of performance parameters of the inner bottom is realized through the device, so that the reliable operation of an injector is ensured.
2. In the inner bottom liquid flow test device, the support ring is uniformly provided with the water outlets in the circumferential direction, the cover plate is uniformly provided with the plurality of water inlets in the circumferential direction, so that a test medium whirled from the inner bottom spiral groove enters the inside and the outside of the core jacking cavity through the four overflowing holes at the upper end of the inner bottom, the hydraulic action in the test device is balanced, the inner bottom is protected from being deformed by pressure, and the safety of the inner bottom during the test is ensured.
3. The inner bottom liquid flow test device has a simple structure, and the water inlet collector, the water inlet pipeline, the top plate, the water inlet assembly and the top core can be welded by conventional plates and profiles, so that the inner bottom liquid flow test device is simple and convenient to manufacture.
Drawings
FIG. 1 is a schematic view showing the structure of an insole of a test piece;
FIG. 2 is a schematic structural view of an inner bottom liquid flow test device according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic structural view of a water inlet assembly of the present invention;
FIG. 5 is a schematic view of the structure of the annular water inlet pipe and the water inlet connector of the present invention;
FIG. 6 is a schematic structural view of a tip core of the present invention;
fig. 7 is a schematic structural view of the top plate of the present invention.
Reference numerals: 1-inner bottom, 2-water inlet collector, 3-water inlet pipeline, 4-top plate, 5-top core, 6-water inlet component, 7-first pressure measuring nozzle, 8-second pressure measuring nozzle, 9-rubber protective pad, 11-barrel bottom plate, 12-barrel outer wall, 13-spiral groove, 14-tangential hole, 15-overflowing hole, 21-first sealing ring, 22-second sealing ring, 23-third sealing ring, 41-handle, 51-cover plate, 52-support ring, 53-support bottom plate, 54-water outlet, 55-water inlet, 56-bottom plate liquid outlet, 61-annular water inlet pipe, 62-water inlet ring sleeve, 63-water inlet joint nozzle, 64-annular notch, 65-water inlet hole and 66-mounting flange.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the insole 1 is a cylinder structure made of red copper and having an outer diameter of about 400mm, a plurality of overflowing holes 15 are formed in a bottom plate 11 of the cylinder, a plurality of spiral grooves 13 and tangential holes 14 are formed in an outer wall 12 of the cylinder, and the tangential holes 14 are communicated with bottoms of the spiral grooves 13. Before the inner bottom 1 is installed on the injector, a liquid flow test needs to be carried out on the inner bottom 1 to obtain performance parameters of the inner bottom 1, wherein the test requires that water is fed from a circumferential ring at the lower part of the outer wall of the barrel body and is discharged from a plurality of circumferential uniformly distributed tangential holes 14. The invention provides an inner bottom liquid flow test device, wherein a large-flow test medium passes through an inner bottom 1 under high pressure, so that the test is finished and the safety of the inner bottom 1 is ensured, and the characteristics of large inner bottom 1, soft material and complex appearance are considered. The construction of the test device is described in detail below, where the units of the length dimension are mm.
As shown in fig. 2 to 7, the inner bottom liquid flow test device provided by the invention has the advantages that a test medium enters and exits the inner bottom 1 according to a required flow channel to complete a liquid flow test, so that the performance test data of the inner bottom 1 are obtained, and the inner bottom 1 is ensured to be intact when the test is completed. The device specifically comprises a water inlet collector 2, a water inlet pipeline 3, a top plate 4, a water inlet assembly 6 and a top core 5. The water inlet collector 2 is provided with a one-way collecting liquid inlet and a plurality of-way collecting liquid outlets which are communicated with the collecting liquid inlet; the water inlet pipelines 3 are four groups, the inlets of the water inlet pipelines are connected with the collection liquid outlet of the water inlet collector 2, and the outlets of the water inlet pipelines are connected with the water inlet assembly 6.
As shown in fig. 4, the water inlet assembly 6 is mainly composed of a ring-shaped water inlet pipe 61, a water inlet ring sleeve 62 and a plurality of water inlet connectors 63 which are welded together. A plurality of water inlet connectors 63 are arranged on the annular water inlet pipe 61, the inlet of each water inlet connector is connected with the outlet of the water inlet pipeline 3, and the outlet of each water inlet connector is communicated with the inner cavity of the annular water inlet pipe 61; annular inlet tube 61 suit is in the outside of intaking ring cover 62, is provided with annular breach 64 on the inner wall of intaking ring cover 62 contact, is provided with a plurality of inlet openings 65 of arranging along circumference on the outer wall of intaking ring cover 62, and inlet opening 65 passes through annular breach 64 and annular inlet tube 61's inner chamber intercommunication.
The inner diameter of the water inlet ring sleeve 62 is designed according to the outer diameter of the inner bottom 1, the height of the water inlet holes 65 is designed according to the height of the annular water inlet pipe 61, and the number and the aperture of the water inlet holes 65 are designed according to the flow of the inner bottom 1. The lower end is provided with a threaded hole for fastening and connecting the water inlet ring sleeve 62 with the top core 5. Simultaneously, the lower extreme internal diameter enlarges, guarantees that the test medium of outflow inner bottom 1 discharges from the bottom plate liquid outlet of apical core 5 fast, and the total area of circulation of bottom plate liquid outlet is as big as possible to reduce the test medium of downward outflow bottom plate liquid outlet and produce huge reaction force upwards to parts and inner bottom 1 except apical core 5, guarantee during the experiment that bolt-up power is enough and effective.
As shown in FIG. 5, the annular water inlet pipe 61 of the invention is formed by welding four sections of steel pipes, and the steel pipes are convenient to process. The inboard cut-off cross-section width of annular inlet tube 61 is greater than the diameter of inlet opening 65, and the high center in cross-section aligns with the inlet opening 65 center, can guarantee that water evenly unblocked entering water inlet ring cover 62, and simultaneously, 4 breachs are cut off to annular inlet tube 61 roof, and the water inlet of being convenient for connects mouth 63 and annular inlet tube 61 to be connected.
As shown in fig. 6, the top core 5 is designed according to the inner bottom 1 and the water inlet ring sleeve 62, and specifically includes a cover plate 51, a support ring 52 and a support bottom plate 53, wherein the support ring 52 is disposed in the water inlet ring sleeve 62, and a plurality of water outlets 54 are disposed on the sidewall thereof; the cover plate 51 is arranged at the top of the support ring 52 and located in the water inlet ring sleeve 62, the end surface of the cover plate is provided with a plurality of water inlets 55, the support base plate 53 is arranged at the bottom of the support ring 52 and located below the water inlet ring sleeve 62, the end surface of the support base plate is provided with a plurality of base plate liquid outlets 56, and the base plate liquid outlets 56 are located at the outer side of the support ring 52 and communicated with the water inlet holes 65 of the water inlet ring sleeve 62. The support ring 52 plays a supporting and protecting role for the soft and thin insole 1, so as to prevent the insole 1 from being deformed and scratched, and the outer wall of the support ring 52 is provided with an O-shaped ring, so as to prevent the test medium from leaking from the support ring 52 and the lower end of the insole 1. The outer wall of the support ring 52 is provided with circumferentially and uniformly distributed water outlets 54, and the cover plate 51 is circumferentially and uniformly distributed with 4 water inlets 55, so that test media swirling from the inner bottom spiral groove 13 enter the cavity of the top core 5 through the four overflowing holes 15 at the upper end of the inner bottom 1, and the hydraulic effect in the balance test device is achieved.
During the test, the inner bottom 1 is sleeved outside the support ring 52, the cylinder outer wall 12 is arranged between the support ring 52 and the water inlet ring sleeve 62, the tangential hole 14 is arranged below the water inlet hole 65 and is positioned between the water inlet hole 65 and the bottom plate liquid outlet 56, and the cylinder bottom plate 11 is arranged above the cover plate 51; the top plate 4 is arranged above the barrel bottom plate 11 and is connected with the water inlet ring sleeve 62. At this time, a rubber protection pad 9 is arranged between the top plate 4 and the cylinder bottom plate 11, so that the cylinder bottom plate 11 is prevented from being damaged by the top plate 4. In addition, for making roof 4 install at water inlet ring cover 62 convenient and reliable, be provided with mounting flange 66 on water inlet ring cover 62's the outer wall, roof 4 passes through mounting flange 66 and water inlet ring cover 62 fixed connection to be provided with first sealing washer 21 on roof 4 and the contact surface of water inlet ring cover 62, the up end of mounting flange 66 is located the below of water inlet ring cover 62 up end, guarantees the sealed effect of the first sealing washer 21 that the cavity upper end set up.
As shown in fig. 7, a pair of handles 41 are welded on the top plate 4, so that the tool is convenient to hoist, through holes and notches which are corresponding to mounting flanges 66 in number and matched in structural size are formed in the top plate 4, the through holes and the notches are used for fastening and connecting the top plate 4 and a water inlet ring sleeve, and the first sealing ring 21 arranged at the upper end of the water inlet ring sleeve is matched to ensure that a test medium which swirls from the spiral groove 13 of the inner bottom 1 cannot leak from the space between the top plate 4 and the water inlet ring sleeve.
The liquid flow test needs to provide a better sealing effect, and therefore the first sealing ring 21 is arranged on the contact surface of the top plate 4 and the water inlet ring sleeve 62, so that good sealing at the top plate 4 is realized. Be provided with second sealing washer 22 on the contact surface of insole 1 and support ring 52, and second sealing washer 22 is located the below of delivery port 54, realizes the good sealed of support ring 52, for guaranteeing the sealed effect of inlet ring cover 62 with insole 1 lower extreme, sets up the seal groove in inlet opening 65 below, sets up third sealing washer 23 in the seal groove, highly just in time blocks the circumference of insole 1 lower extreme and goes out the water ring, guarantees the sealed effect of inlet ring cover 62 with insole 1 lower extreme simultaneously.
As shown in FIG. 2, the water inlet collector 2 and the water inlet pipe 3 divide the test medium into four paths and uniformly enter the insole 1 along the circumference. In order to facilitate the installation and the taking out of the inner bottom 1, the top core 5 and the water inlet component 6 are integrated and matched with each other, the inner bottom 1 is ensured to be arranged in a space which is formed by the water inlet component 6, the top core 5 and the top plate and is consistent with the shape of the inner bottom 1, the outer edge of the lower end of the inner bottom 1 is sealed with the inner circumference of the water inlet ring sleeve 62, and the inner circle of the inner bottom 1 is sealed with the outer circumference of the top. The sealing piece is arranged between the water inlet ring sleeve 62 and the top plate 4 at the upper end of the inner bottom 1 to realize end face sealing, and the above sealing ensures that test medium water passing through the water inlet collector 2 and the water inlet pipeline 3 flows out from nearly hundreds of tangential holes 14 at the lower end of the inner bottom 1.
The test medium flow direction during the liquid flow test is as shown by the arrow in fig. 3, during the liquid flow test, the test medium enters from the water inlet collector 2, enters the annular water inlet pipe 61 through the four-way water inlet pipeline 3, and then enters the spiral groove 13 of the insole 1 through the water inlet hole 65, at this time, a part of the test medium upwards enters the gap between the top plate 4 and the cylinder bottom plate 11 through the spiral groove 13, enters the cavity of the support ring 52 through the through-flow hole 15 on the cylinder bottom plate 11 and the water inlet 55 on the cover plate 51 until the test medium fills the cavity of the support ring 52 and the gap between the top core 5 and the insole 1, and the other part of the test medium downwards passes through the tangential hole 14 of the insole 1 from the water inlet hole 65. When the cavity of the top core 5 is filled with test media, and the flow and pressure test data are stable, data acquisition is started, the inlet pressure is measured through the second pressure measuring nozzle 8 arranged on the outer wall of the annular water inlet pipe 61, the pressure drop before spraying is measured through the first pressure measuring nozzle 7 arranged at the top of the top plate 4, and the flow resistance performance parameters of the inner bottom 1 are obtained through two test pressures, so that the liquid flow test is completed.
Because the insole 1 has big, the soft, the complicated characteristics of appearance processing of material of size, when installing insole 1 to the liquid flow test device, need to pay attention to and guarantee that insole 1 is not damaged, its installation order is as follows: putting the inner bottom 1 into the water inlet ring sleeve 62, padding the rubber protective pad 9, installing the first sealing ring, and fastening the top plate 4 and the water inlet ring sleeve 62 until the inner bottom 1 is installed at the position shown in the figure 2 and the lower end of the inner bottom 1 is sealed; the water inlet ring sleeve 62, the top plate 4 and the inner bottom 1 are turned over by 180 degrees, the top core 5 is arranged in the inner bottom 1 and connected with the top core 5 and the water inlet ring sleeve 62, and the bolt is not screwed too tightly; and the tool is turned over by 180 degrees again, and the water inlet collector 2 and the water inlet pipeline 3 are installed for testing.
After the test was completed, the disassembly sequence was as follows: the water inlet collector 2 and the water inlet pipeline 3 are dismantled; removing the top plate 4, vertically erecting the testing device and the inner bottom 1, and discharging accumulated water in the device to be tested and the inner bottom 1; the testing device and the inner bottom 1 are turned over by 180 degrees, bolts for connecting the top core 5 and the water inlet ring sleeve 62 are removed, an operator steps on the edge of the bottom edge of the top core 5, and slowly lifts the edge of the flange at the upper end of the water inlet ring sleeve 62 upwards to enable the water inlet ring sleeve 62 and the inner bottom 1 to be separated from the top core 5; the inner bottom 1 is placed on a pre-placed wood block, an operator simultaneously grabs the edge of a flange at the upper end of the water inlet ring sleeve 62 firmly, the end face of the water inlet ring sleeve 62 is kept horizontal, the center of the inner bottom 1 is basically coincided with the center of the wood block, then the inner bottom 1 and the water inlet ring sleeve 62 are slowly and lightly knocked along the up-down direction of the center of the wood block, the lower end of the inner bottom 1 is separated from the sealing ring, then the inner bottom 1 is stably moved upwards to be separated from the water inlet ring sleeve 62, and the.
Claims (10)
1. The utility model provides an interior bottom liquid flow test device, interior bottom (1) is the tube structure, is provided with a plurality of discharge orifices (15) on barrel bottom plate (11), is provided with a plurality of helicla flutes (13) and tangential hole (14) on barrel outer wall (12), and tangential hole (14) and helicla flute (13) bottom intercommunication, its characterized in that: comprises a water inlet collector (2), a water inlet pipeline (3), a top plate (4), a water inlet component (6) and a top core (5);
the water inlet collector (2) is provided with a one-way collecting liquid inlet and a plurality of-way collecting liquid outlets which are communicated with the collecting liquid inlet;
the water inlet pipelines (3) are in multiple groups, inlets of the water inlet pipelines are connected with a collection liquid outlet of the water inlet collector (2), and outlets of the water inlet pipelines are connected with the water inlet assembly (6);
the water inlet assembly (6) comprises an annular water inlet pipe (61), a water inlet ring sleeve (62) and a plurality of water inlet connecting nozzles (63); a plurality of water inlet connectors (63) are arranged on the annular water inlet pipe (61), the inlet of each water inlet connector is connected with the outlet of the water inlet pipeline (3), and the outlet of each water inlet connector is communicated with the inner cavity of the annular water inlet pipe (61); the annular water inlet pipe (61) is sleeved on the outer side of the water inlet ring sleeve (62), an annular notch (64) is formed in the inner wall, which is in contact with the water inlet ring sleeve (62), of the annular water inlet pipe, a plurality of water inlet holes (65) are formed in the outer wall of the water inlet ring sleeve (62) and are circumferentially arranged, and the water inlet holes (65) are communicated with the inner cavity of the annular water inlet pipe (61) through the annular notch (64);
the top core (5) comprises a cover plate (51), a support ring (52) and a support bottom plate (53), the support ring (52) is arranged in a water inlet ring sleeve (62), and a plurality of water outlets (54) are formed in the side wall of the support ring; the cover plate (51) is arranged at the top of the support ring (52) and positioned in the water inlet ring sleeve (62), a plurality of water inlets (55) are formed in the end face of the cover plate, the support base plate (53) is arranged at the bottom of the support ring (52) and positioned below the water inlet ring sleeve (62), a plurality of base plate liquid outlets (56) are formed in the end face of the support plate, and the base plate liquid outlets (56) are positioned on the outer side of the support ring (52) and communicated with water inlet holes (65) of the water inlet ring sleeve (62);
the inner bottom (1) is sleeved on the outer side of the support ring (52), the barrel outer wall (12) is arranged between the support ring (52) and the water inlet ring sleeve (62), the tangential hole (14) is arranged below the water inlet hole (65) and is positioned between the water inlet hole (65) and the bottom plate liquid outlet (56), and the barrel bottom plate (11) is arranged above the cover plate (51); the top plate (4) is arranged above the barrel body bottom plate (11) and is connected with the water inlet ring sleeve (62).
2. The device for testing insole fluid flow according to claim 1, wherein: the top of roof (4) is provided with first pressure and surveys mouth (7), be provided with second pressure and survey mouth (8) on the outer wall of annular inlet tube (61).
3. The insole fluid flow test apparatus of claim 2, wherein: and a rubber protection pad (9) is arranged between the top plate (4) and the cylinder bottom plate (11).
4. The insole fluid flow test device according to claim 1, 2 or 3, wherein: be provided with first sealing washer (21) on the contact surface of roof (4) and water inlet ring cover (62), be provided with second sealing washer (22) on the contact surface of barrel outer wall (12) and support ring (52), and second sealing washer (22) are located the below of delivery port (54), be provided with third sealing washer (23) on the contact surface of barrel outer wall (12) bottom and water inlet ring cover (62), and third sealing washer (23) are located the below of inlet opening (65).
5. The device for testing insole fluid flow according to claim 4, wherein: the width of the annular gap (64) is larger than the diameter of the water inlet hole (65), so that water can smoothly enter the water inlet ring sleeve (62).
6. The insole fluid flow test apparatus of claim 5, wherein: be provided with mounting flange (66) on the outer wall of water inlet ring cover (62), and the up end of mounting flange (66) is located the below of water inlet ring cover (62) up end, roof (4) are through mounting flange (66) and water inlet ring cover (62) fixed connection.
7. The device for testing insole fluid flow according to claim 6, wherein: the top of the top plate (4) is provided with a handle (41).
8. The device for testing insole fluid flow according to claim 7, wherein: the four water inlet pipelines (3) are uniformly distributed along the circumferential direction of the water inlet ring sleeve (62).
9. The insole fluid flow test apparatus of claim 8, wherein: the top of annular inlet tube (61) is provided with a plurality of breachs, water inlet connector (63) welding is in annular inlet tube (61) top to through the cavity intercommunication of breach and annular inlet tube (61).
10. The insole fluid flow test apparatus of claim 9, wherein: the annular water inlet pipe (61) is formed by welding four sections of steel pipes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010759202.XA CN111947955B (en) | 2020-07-31 | 2020-07-31 | Inner bottom liquid flow test device |
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| CN202010759202.XA CN111947955B (en) | 2020-07-31 | 2020-07-31 | Inner bottom liquid flow test device |
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| CN111947955A true CN111947955A (en) | 2020-11-17 |
| CN111947955B CN111947955B (en) | 2021-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525509A (en) * | 2020-11-25 | 2021-03-19 | 西安航天动力研究所 | Inner bottom liquid flow device capable of being quickly assembled and disassembled |
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