CN114563055B - Experimental flow testing device for design institute - Google Patents
Experimental flow testing device for design institute Download PDFInfo
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- CN114563055B CN114563055B CN202210454318.1A CN202210454318A CN114563055B CN 114563055 B CN114563055 B CN 114563055B CN 202210454318 A CN202210454318 A CN 202210454318A CN 114563055 B CN114563055 B CN 114563055B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses an experimental flow testing device for a design institute, which belongs to the technical field of flow testing and comprises a liquid recovery box and a testing box, wherein a side shell is fixedly installed on the outer wall of one side of the testing box, and a flow testing assembly is fixedly installed in the testing box; according to the invention, the magnetic force component, the liquid bearing component and the liquid guiding component are arranged in the device, and the magnetic force relation between the liquid pressure and the structure is utilized, so that the automatic dredging treatment in the flow testing component in the fluid feeding process can be realized, the smoothness in the flow testing component can be effectively ensured, the synchronous protection effect on the flow testing component is simultaneously played, and the flow testing component is prevented from being damaged, so that the testing precision of the device is stably improved, the structure is simple, the energy consumption of the device is controlled, the use cost is low, a good pipeline dredging, fluid pressure reduction and fluid guiding excellent system is formed in the device, and the overall detection precision of the device is greatly improved.
Description
Technical Field
The invention belongs to the technical field of flow testing, and particularly relates to an experimental flow testing device for a design institute.
Background
When testing the flow velocity of some fluids, the design institute needs to use a flow testing device, and the flow testing device can provide some theoretical bases for some researches after testing the flow velocity of the fluids, so that the flow testing is an important and basic testing project.
Chinese patent discloses (CN 104101385A) a fluid flow measuring device, which comprises a measuring tube, a throttle, a support and a signal processing unit; the throttling element is a streamlined body and is provided with a cylindrical middle section with equal diameter; the throttling element is fixed inside the measuring tube through the supporting element and is coaxial with the measuring tube; an annular fluid channel is formed between the cylindrical middle section of the throttling element and the measuring pipe; the front end of the throttling element is provided with a high-pressure extraction point; a low-pressure extraction point is arranged in the annular fluid channel, and at least one low-pressure extraction point is positioned on the outer wall of the throttling element; the signal processing unit comprises a signal processor, a differential pressure sensor and at least 2 pressure sensors; the device is used for acquiring the pressure difference value between a high-pressure extraction point and a low-pressure extraction point or respectively acquiring the pressure values of the low-pressure extraction point and the high-pressure extraction point and then transmitting the pressure values to a signal processor, the signal processor calculates the flow of fluid according to the received differential pressure or pressure signal, the measurement result is more accurate, and the interference and the damage possibly caused during data transmission can be avoided, the conventional fluid flow testing device is generally internally provided with an independent dredging structure for ensuring the smoothness in a fluid measurement channel for long-term use, but the independent dredging structure needs to be driven by a driving source to waste energy, meanwhile, as some solutes are generally contained in the fluid and flow in long-term liquid, some solutes are easily accumulated outside the measurement channel, and some adverse effects are generated on the measurement channel for a long time, so as to solve the problem, there is a need for a laboratory flow test device for a design institute.
Disclosure of Invention
The invention aims to: in order to solve the patency in the present fluid flow testing arrangement in order to guarantee the fluid measurement passageway, be provided with independent mediation structure including generally to guarantee to measure the patency degree of using for a long time in the passageway, but independent mediation structure needs the drive source drive, the extravagant energy, simultaneously, because generally contain some solutes in the fluid, long-term liquid flow, some solutes are easily piled up outside measuring the passageway, produce some adverse effect's problem to measuring the passageway in the past, and the institute of the design that provides is with experimental flow testing arrangement.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a design institute is with experiment flow testing arrangement, includes liquid recovery case and test box, fixed mounting has the side shell on one side outer wall of test box, the inside fixed mounting of test box has the flow test subassembly, the one end of flow test subassembly extends to the outside of test box and liquid recovery case's lateral wall fixed connection, fixed mounting has the guide rail on the bottom surface inner wall of test box, and slidable mounting has liquid pressure-bearing subassembly on the guide rail, be provided with a spout on the top surface inner wall of test box, slidable mounting has magnetic force component in the spout.
As a further description of the above technical solution:
the liquid pressure-bearing assembly comprises a pressure-bearing plate, a bottom sliding groove is formed in the bottom of the pressure-bearing plate, and the bottom sliding groove is in sliding connection with a guide rail fixedly installed on the inner wall of the bottom surface of the test box.
As a further description of the above technical solution:
the inside top that is provided with of bearing plate leads to the groove, fixed mounting has the connecting spring pole on the lateral wall of bearing plate, the one end of connecting spring pole and one side inner wall fixed connection of test box, fixed mounting has the fourth to adsorb the disk on one side outer wall of bearing plate.
As a further description of the above technical solution:
the magnetic assembly comprises a first adsorption magnetic disk, a connecting rod and a movable sliding block, the two ends of the connecting rod are respectively and fixedly provided with the first adsorption magnetic disk and a second adsorption magnetic disk, the volumes of the first adsorption magnetic disk and the second adsorption magnetic disk are consistent, and the top of the connecting rod is fixedly provided with an ejector rod.
As a further description of the above technical solution:
the top fixed mounting of ejector pin has the removal slider, four are all installed with the removal slider to the ejector pin, four mutual parallel arrangement of ejector pin, the top spout sliding connection who sets up on the top surface inner wall of removal slider and test box, fixed mounting has the sill bar on the bottom surface of connecting rod, the bottom fixed mounting of sill bar has the clearance subassembly, fixed mounting has the liquid buffer board on the lateral wall of sill bar, fixed mounting has the side-mounting double-screw bolt on the lateral wall of liquid buffer board.
As a further description of the above technical solution:
the cleaning assembly comprises a cleaning ring, a cleaning inner ring is fixedly mounted on the inner ring surface of the cleaning ring, and a plurality of thermal expansion particles are filled in the cleaning inner ring.
As a further description of the above technical solution:
the flow test assembly comprises a liquid conduit and a first shaft frame, a mounting pipe hole is formed in the side wall of the test box, the liquid conduit is fixedly mounted in the mounting pipe hole and consists of a first conduit and a second conduit, the length and the pipe diameter of the first conduit are smaller than those of the second conduit, and the cleaning ring is sleeved outside the liquid conduit.
As a further description of the above technical solution:
first pedestal fixed mounting is on liquid conduit's inner wall, the outside of first pedestal is rotated and is installed a screw thread section of thick bamboo, the mutual threaded connection of side-mounting double-screw bolt and screw thread section of thick bamboo, fixed mounting has the outer mounting panel on the outer wall of screw thread section of thick bamboo, the inside of outer mounting panel is provided with interior mounting groove, the inside fixed mounting of interior mounting groove has built-in spring, the inside slidable mounting of interior mounting groove has the side doctor-bar, one side of side doctor-bar is located the outside of outer mounting panel and laminates with liquid conduit's inner wall each other, the one end of built-in spring and the lateral wall fixed connection of side doctor-bar.
As a further description of the above technical solution:
an observation window is embedded outside the liquid recovery box, a third adsorption magnetic disc is fixedly installed on the inner wall of one side of the side shell, the magnetic poles of the third adsorption magnetic disc are different from those of the first adsorption magnetic disc, the volume of the third adsorption magnetic disc is consistent with that of the first adsorption magnetic disc, an outer blocking shell is arranged on the other side of the side shell, and the magnetic poles of the second adsorption magnetic disc are different from those of the fourth adsorption magnetic disc.
As a further description of the above technical solution:
be provided with on the inside wall of test box and lead the liquid subassembly, it includes the second shaft frame to lead the liquid subassembly, second shaft frame fixed mounting is on the inside wall of test box, the inside rotation of second shaft frame installs the screw thread axle, the one end fixed mounting of screw thread axle has the drain screw rod, the inside of liquid buffer board is provided with the screw hole, screw thread axle and the mutual threaded connection of screw hole.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, through arranging the magnetic force assembly and the liquid pressure-bearing assembly in the test box, when the flow of the fluid is tested, the fluid is guided into the test box through the liquid inlet pipe, the liquid is firstly accumulated on one side of the pressure-bearing plate and is lifted along with the accumulation amount of the fluid, when the pressure-bearing plate bears the pressure which exceeds the supporting force of the connecting spring rod, the pressure-bearing plate can displace towards the inner side, the pressure-bearing plate is close to the magnetic force assembly, the fourth adsorption magnetic disk of the pressure-bearing plate can be close to the second adsorption magnetic disk at one end of the connecting rod, because the magnetic poles of the second adsorption magnetic disk and the fourth adsorption magnetic disk are different, the attraction force generated between the fourth adsorption magnetic disk and the second adsorption magnetic disk is increasingly larger along with the shortening of the distance between the second adsorption magnetic disk and the fourth adsorption magnetic disk until the attraction force overcomes the attraction force of the first adsorption magnetic disk and the third adsorption magnetic disk at the other end of the connecting rod, the magnetic force assembly can automatically displace, and the stud arranged on the side of the magnetic force assembly can synchronously move, because the side-mounted stud is in threaded connection with the threaded cylinder, when the side-mounted stud displaces, the side-mounted stud can drive the threaded cylinder in the flow testing assembly to rotate, the outer mounting plate and the side scraper synchronously rotate, the automatic dredging effect in the flow testing assembly is realized, fluid is discharged through the top through groove, the liquid bearing assembly can reset under the action of the connecting spring rod, the inner threaded cylinder can simultaneously rotate reversely to dredge in a direction changing manner, meanwhile, the cleaning assembly can also synchronously move to play a role in cleaning the outer surface of the flow testing assembly and avoid adverse effects on the flow testing assembly caused by accumulation of solute in the fluid, the automatic dredging treatment in the flow testing assembly in the fluid feeding process can be realized by utilizing the magnetic force relationship between the liquid pressure and the structure, the smoothness in the flow testing assembly can be effectively ensured, and the synchronous protection effect on the flow testing assembly is simultaneously realized, the flow test assembly is prevented from being damaged, so that the test precision of the equipment is stably improved, the structure is simple, the energy consumption of the equipment is controlled, and the use cost is low.
2. According to the invention, through arranging the liquid buffer plate, when the magnetic assembly moves, the liquid buffer plate can also move simultaneously, the movable liquid buffer plate can collide with the discharged fluid, so that the pressure and impact force generated when the fluid is discharged due to the fact that the liquid pressure-bearing assembly continuously blocks the fluid can be effectively relieved, the fluid can more uniformly pass through the flow testing assembly, the problem of inaccurate measurement caused by sudden increase of accumulated liquid discharge pressure and the phenomenon of flowing into the flow testing assembly can be effectively solved, and the testing effect and accuracy of the device are further improved.
3. According to the invention, the liquid guide component is arranged in the liquid buffer plate, when the liquid buffer plate moves, the threaded shaft can rotate due to the threaded connection relationship between the threaded hole in the liquid buffer plate and the threaded shaft, and the liquid guide screw rod is driven to rotate at the same time.
Drawings
Fig. 1 is a schematic perspective view of an experimental flow rate testing device for a design institute.
Fig. 2 is a schematic diagram of an explosion three-dimensional structure of an experimental flow rate testing device for a design institute.
Fig. 3 is a schematic diagram of an exploded perspective structure of a test box in an experimental flow testing device for a design institute.
FIG. 4 is a schematic diagram of an enlarged exploded perspective view of a cleaning assembly in a laboratory flow test apparatus for a design institute.
Fig. 5 is a schematic diagram of an enlarged exploded perspective view of another angle of the middle shell of a laboratory experimental flow testing device for a design institute.
Fig. 6 is an enlarged combined three-dimensional structure diagram of a magnetic assembly and a liquid guiding assembly in an experimental flow testing device for a design institute.
Fig. 7 is a schematic diagram of an enlarged explosion perspective structure of a flow test assembly in an experimental flow test device for a design institute.
Fig. 8 is an enlarged structural diagram of a part a of the experimental flow testing device for a design institute.
Illustration of the drawings:
1. a liquid recovery tank; 2. a side casing; 3. a test box; 4. a flow testing component; 41. a liquid conduit; 42. a first pedestal; 43. a threaded barrel; 44. an outer mounting plate; 45. a side wiper; 46. an inner mounting groove; 47. a built-in spring; 5. an observation window; 6. a magnetic assembly; 61. a first attached magnetic disk; 62. a connecting rod; 63. a top rod; 64. moving the slide block; 65. a second attracted magnetic disk; 66. a bottom bar; 67. cleaning the assembly; 671. cleaning the inner ring; 672. thermally expanding the particles; 673. cleaning a ring; 68. side installation shaft; 69. a liquid cushion plate; 610. a stud is laterally installed; 7. a liquid bearing assembly; 71. connecting a spring rod; 72. a pressure bearing plate; 73. a top through groove; 74. a fourth attracted disk; 75. a bottom chute; 8. a liquid guiding component; 81. a liquid guiding screw rod; 82. a threaded shaft; 83. a second shaft frame; 9. a third attracted magnetic disk; 10. an outer shield shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an experimental flow testing device for a design institute comprises a liquid recovery box 1 and a testing box 3, a side shell 2 is fixedly mounted on the outer wall of one side of the testing box 3, a flow testing assembly 4 is fixedly mounted inside the testing box 3, one end of the flow testing assembly 4 extends to the outer side of the testing box 3 and is fixedly connected with the side wall of the liquid recovery box 1, a guide rail is fixedly mounted on the inner wall of the bottom surface of the testing box 3, a liquid pressure bearing assembly 7 is slidably mounted on the guide rail, a top sliding groove is formed in the inner wall of the top surface of the testing box 3, and a magnetic assembly 6 is slidably mounted in the top sliding groove.
The liquid bearing assembly 7 comprises a bearing plate 72, a bottom sliding groove 75 is arranged at the bottom of the bearing plate 72, the bottom sliding groove 75 is connected with a guide rail fixedly mounted on the inner wall of the bottom surface of the test box 3 in a sliding manner, a top through groove 73 is arranged inside the upper portion of the bearing plate 72, a connecting spring rod 71 is fixedly mounted on the side wall of the bearing plate 72, one end of the connecting spring rod 71 is fixedly connected with the inner wall of one side of the test box 3, and a fourth adsorption magnetic disk 74 is fixedly mounted on the outer wall of one side of the bearing plate 72.
The magnetic assembly 6 comprises a first adsorption magnetic disk 61, a connecting rod 62 and a movable slider 64, wherein the two ends of the connecting rod 62 are respectively fixedly provided with the first adsorption magnetic disk 61 and a second adsorption magnetic disk 65, the volumes of the first adsorption magnetic disk 61 and the second adsorption magnetic disk 65 are consistent, the top of the connecting rod 62 is fixedly provided with an ejector rod 63, the top of the ejector rod 63 is fixedly provided with the movable slider 64, the ejector rod 63 and the movable slider 64 are respectively provided with four ejector rods 63 which are arranged in parallel, the movable slider 64 is in sliding connection with a top sliding chute arranged on the inner wall of the top surface of the test box 3, the bottom surface of the connecting rod 62 is fixedly provided with a bottom rod 66, the bottom end of the bottom rod 66 is fixedly provided with a cleaning assembly 67, the side wall of the bottom rod 66 is fixedly provided with a liquid buffer plate 69, and the side wall of the liquid buffer plate 69 is fixedly provided with a side mounting stud 610, the cleaning assembly 67 comprises a cleaning ring 673, a cleaning inner ring 671 is fixedly mounted on the inner ring surface of the cleaning ring 673, and a plurality of thermal expansion particles 672 are filled in the cleaning inner ring 671.
The specific implementation mode is as follows: when the fluid flow is tested, the fluid is introduced into the test box 3 through the fluid inlet pipe, the fluid is firstly accumulated on one side of the pressure-bearing plate 72, as the accumulation amount of the fluid is increased, when the pressure-bearing plate 72 bears the pressure exceeding the supporting force of the connecting spring rod 71, the pressure-bearing plate 72 is displaced inwards, at this time, the pressure-bearing plate 72 is close to the magnetic assembly 6, the fourth adsorption magnetic disk 74 of the pressure-bearing plate 72 is close to the second adsorption magnetic disk 65 at one end of the connecting rod 62, because the magnetic poles of the second adsorption magnetic disk 65 and the fourth adsorption magnetic disk 74 are different, as the distance between the second adsorption magnetic disk 65 and the fourth adsorption magnetic disk 74 is shortened, the attraction force generated between the fourth adsorption magnetic disk 74 and the second adsorption magnetic disk 65 is increased until the attraction force overcomes the attraction force of the first adsorption magnetic disk 61 and the attraction force of the third adsorption magnetic disk 9 at the other end of the connecting rod 62, at this time, the magnetic assembly 6 is automatically displaced, and the side mounting stud 610 of the magnetic assembly 6 is simultaneously moved, since the side mounting stud 610 and the threaded cylinder 43 are threadedly coupled to each other, when the side mounting stud 610 is displaced, the rotation of the internal thread cylinder 43 of the flow testing component 4 can be driven, the external mounting plate 44 and the side scraping plate 45 synchronously rotate, the automatic dredging effect in the flow testing component 4 is realized, the fluid is discharged through the top through groove 73, the liquid pressure-bearing component 7 can reset under the action of the connecting spring rod 71, the internal thread cylinder 43 can simultaneously rotate reversely to dredge in a direction changing manner, meanwhile, the cleaning component 67 can also move synchronously, which plays a role in cleaning the outer surface of the flow test component 4, when the magnetic assembly 6 moves, the liquid buffer plate 69 will also move at the same time, the movable liquid buffer plate 69 can collide with the discharged fluid, the pressure and impact force of the liquid pressure bearing assembly 7 when the liquid is discharged due to continuous blocking of the liquid can be effectively relieved, so that the liquid can more uniformly pass through the flow testing assembly 4.
The flow test assembly 4 comprises a liquid conduit 41 and a first shaft bracket 42, a mounting pipe hole is arranged on the side wall of the test box 3, the liquid conduit 41 is fixedly mounted in the mounting pipe hole, the liquid conduit 41 consists of the first conduit and a second conduit, the length and the pipe diameter of the first conduit are smaller than those of the second conduit, a cleaning ring 673 is sleeved outside the liquid conduit 41, the first shaft bracket 42 is fixedly mounted on the inner wall of the liquid conduit 41, a threaded cylinder 43 is rotatably mounted outside the first shaft bracket 42, a side mounting stud 610 is in threaded connection with the threaded cylinder 43, an outer mounting plate 44 is fixedly mounted on the outer wall of the threaded cylinder 43, an inner mounting groove 46 is arranged inside the outer mounting plate 44, a built-in spring 47 is fixedly mounted inside the inner mounting groove 46, and a side scraping blade 45 is slidably mounted inside the inner mounting groove 46, one side of the side scraping plate 45 is positioned at the outer side of the outer mounting plate 44 and is mutually attached to the inner wall of the liquid guide pipe 41, one end of the built-in spring 47 is fixedly connected with the side wall of the side scraping plate 45, the observation window 5 is embedded and mounted outside the liquid recovery box 1, a third adsorption magnetic disc 9 is fixedly mounted on the inner wall of one side of the side shell 2, the magnetic poles of the third adsorption magnetic disc 9 and the first adsorption magnetic disc 61 are different, the volume sizes of the third adsorption magnetic disc 9 and the first adsorption magnetic disc 61 are the same, the outer blocking shell 10 is arranged on the other side of the side shell 2, and the magnetic poles of the second adsorption magnetic disc 65 and the fourth adsorption magnetic disc 74 are different.
Be provided with drain subassembly 8 on the inside wall of test box 3, drain subassembly 8 includes second shaft frame 83, second shaft frame 83 fixed mounting is on the inside wall of test box 3, threaded shaft 82 is installed in the inside rotation of second shaft frame 83, the one end fixed mounting of threaded shaft 82 has drain screw 81, the inside of liquid buffer board 69 is provided with the screw hole, threaded shaft 82 and the mutual threaded connection of screw hole.
The specific implementation mode is as follows; when liquid buffer board 69 was movable, because the threaded connection relation of liquid buffer board 69 internal thread hole and screw shaft 82, screw shaft 82 can take place to rotate, drives drain screw 81 simultaneously and is rotatory, because drain screw 81's spiral leaf sets up towards flow test subassembly 4, pivoted drain screw 81 can make the orderly direction flow test subassembly 4 of fluid after the decompression in, carries out the flow test.
The working principle is as follows: when the fluid flow is tested, the fluid is guided into the test box 3 through the fluid inlet pipe, the fluid is firstly accumulated on one side of the pressure-bearing plate 72, along with the increase of the accumulation amount of the fluid, when the pressure-bearing plate 72 bears the pressure exceeding the supporting force of the connecting spring rod 71, the pressure-bearing plate 72 is displaced inwards, the pressure-bearing plate 72 approaches the magnetic assembly 6, the fourth adsorption magnetic disk 74 of the pressure-bearing plate 72 approaches the second adsorption magnetic disk 65 at one end of the connecting rod 62, because the magnetic poles of the second adsorption magnetic disk 65 and the fourth adsorption magnetic disk 74 are different, along with the shortening of the distance between the two, the attraction force generated between the fourth adsorption magnetic disk 74 and the second adsorption magnetic disk 65 is larger and larger until the attraction force overcomes the attraction force of the first adsorption magnetic disk 61 and the third adsorption magnetic disk 9 at the other end of the connecting rod 62, at this time, the magnetic assembly 6 is automatically displaced, and the side mounting stud 610 of the magnetic assembly 6 is also simultaneously moved, because the side mounting stud 610 and the threaded cylinder 43 are in threaded connection with each other, when the side mounting stud 610 displaces, the rotation of the threaded cylinder 43 in the flow testing assembly 4 can be driven, the outer mounting plate 44 and the side scraping blade 45 synchronously rotate, the automatic dredging effect in the flow testing assembly 4 is realized, fluid is discharged through the top through groove 73, the liquid bearing assembly 7 can reset under the action of the connecting spring rod 71, the inner threaded cylinder 43 can simultaneously reverse to dredge in a direction changing manner, meanwhile, the cleaning assembly 67 can synchronously move to play a role in cleaning the outer surface of the flow testing assembly 4, when the fluid has temperature, the thermal expansion particles 672 can expand to expand the cleaning inner ring 671, the flow testing assembly 4 can play a more excellent cleaning effect, when the magnetic assembly 6 moves, the liquid buffer plate 69 can simultaneously move, and the movable liquid buffer plate 69 can collide with the discharged fluid, can effectively alleviate because liquid pressure-bearing subassembly 7 lasts to the fluid stops, pressure and impact force when the fluid lets out, make the more even flow test subassembly 4 that passes through of fluid, when liquid buffer board 69 moves about, because the threaded connection relation of liquid buffer board 69 internal thread hole and screw shaft 82, the rotation can take place for screw shaft 82, it is rotatory to drive drain screw 81 simultaneously, because the spiral leaf of drain screw 81 sets up towards flow test subassembly 4, pivoted drain screw 81 can make the orderly direction flow test subassembly 4 of fluid after the decompression in, carry out the flow test.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (3)
1. The utility model provides a design institute is with experiment flow testing arrangement, includes liquid recovery case (1) and test box (3), fixed mounting has side shell (2), its characterized in that on the one side outer wall of test box (3): a flow testing assembly (4) is fixedly mounted inside the testing box (3), one end of the flow testing assembly (4) extends to the outer side of the testing box (3) and is fixedly connected with the side wall of the liquid recovery box (1), a guide rail is fixedly mounted on the inner wall of the bottom surface of the testing box (3), a liquid pressure-bearing assembly (7) is slidably mounted on the guide rail, a top sliding groove is formed in the inner wall of the top surface of the testing box (3), and a magnetic assembly (6) is slidably mounted in the top sliding groove;
the liquid bearing assembly (7) comprises a bearing plate (72), a bottom sliding groove (75) is formed in the bottom of the bearing plate (72), the bottom sliding groove (75) is connected with a guide rail fixedly installed on the inner wall of the bottom surface of the test box (3) in a sliding mode, a top through groove (73) is formed in the upper portion of the bearing plate (72), a connecting spring rod (71) is fixedly installed on the side wall of the bearing plate (72), one end of the connecting spring rod (71) is fixedly connected with the inner wall of one side of the test box (3), and a fourth adsorption magnetic disc (74) is fixedly installed on the outer wall of one side of the bearing plate (72);
the magnetic assembly (6) comprises a first adsorption magnetic disk (61), a connecting rod (62) and a movable sliding block (64), wherein the two ends of the connecting rod (62) are respectively fixedly provided with the first adsorption magnetic disk (61) and a second adsorption magnetic disk (65), the first adsorption magnetic disk (61) and the second adsorption magnetic disk (65) are consistent in size, the top of the connecting rod (62) is fixedly provided with an ejector rod (63), the top end of the ejector rod (63) is fixedly provided with the movable sliding block (64), the ejector rod (63) and the movable sliding block (64) are respectively provided with four ejector rods (63), the four ejector rods (63) are arranged in parallel, the movable sliding block (64) is in sliding connection with an ejector chute arranged on the inner wall of the top surface of the test box (3), the bottom surface of the connecting rod (62) is fixedly provided with a bottom rod (66), and the bottom end of the bottom rod (66) is fixedly provided with a cleaning assembly (67), a liquid buffer plate (69) is fixedly mounted on the side wall of the bottom rod (66), a side mounting stud (610) is fixedly mounted on the side wall of the liquid buffer plate (69), the cleaning assembly (67) comprises a cleaning ring (673), a cleaning inner ring (671) is fixedly mounted on the inner ring surface of the cleaning ring (673), and a plurality of thermal expansion particles (672) are filled in the cleaning inner ring (671);
the flow test assembly (4) comprises a liquid guide pipe (41) and a first shaft bracket (42), a mounting pipe hole is formed in the side wall of the test box (3), the liquid guide pipe (41) is fixedly mounted in the mounting pipe hole, the liquid guide pipe (41) consists of a first guide pipe and a second guide pipe, the length and the pipe diameter of the first guide pipe are smaller than those of the second guide pipe, a cleaning ring (673) is sleeved outside the liquid guide pipe (41), the first shaft bracket (42) is fixedly mounted on the inner wall of the liquid guide pipe (41), a threaded cylinder (43) is rotatably mounted outside the first shaft bracket (42), a side mounting stud (610) is in threaded connection with the threaded cylinder (43), an outer mounting plate (44) is fixedly mounted on the outer wall of the threaded cylinder (43), an inner mounting groove (46) is formed in the outer mounting plate (44), and a built-in spring (47) is fixedly mounted in the inner mounting groove (46), the inside slidable mounting of interior mounting groove (46) has side doctor-bar (45), the inner wall that one side of side doctor-bar (45) is located the outside of outer mounting panel (44) and liquid pipe (41) is laminated each other, the one end of built-in spring (47) and the lateral wall fixed connection of side doctor-bar (45).
2. The laboratory flow test device for the design institute of claim 1, wherein the exterior of the liquid recovery tank (1) is embedded with an observation window (5), the inner wall of one side of the side casing (2) is fixedly provided with a third adsorption magnetic disk (9), the magnetic poles of the third adsorption magnetic disk (9) and the first adsorption magnetic disk (61) are different, the volume of the third adsorption magnetic disk (9) and the volume of the first adsorption magnetic disk (61) are the same, the other side of the side casing (2) is provided with an outer shield shell (10), and the magnetic poles of the second adsorption magnetic disk (65) and the fourth adsorption magnetic disk (74) are different.
3. The experimental flow testing device for the design institute of claim 2, characterized in that, be provided with drain subassembly (8) on the inside wall of test box (3), drain subassembly (8) includes second shaft frame (83), second shaft frame (83) fixed mounting is on the inside wall of test box (3), threaded shaft (82) is installed in the inside rotation of second shaft frame (83), the one end fixed mounting of threaded shaft (82) has drain screw (81), the inside of liquid buffer board (69) is provided with the screw hole, threaded shaft (82) and screw hole threaded connection each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210454318.1A CN114563055B (en) | 2022-04-28 | 2022-04-28 | Experimental flow testing device for design institute |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210454318.1A CN114563055B (en) | 2022-04-28 | 2022-04-28 | Experimental flow testing device for design institute |
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| CN114563055A CN114563055A (en) | 2022-05-31 |
| CN114563055B true CN114563055B (en) | 2022-07-15 |
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|---|---|---|---|---|
| US6591201B1 (en) * | 2000-09-28 | 2003-07-08 | Thomas Allen Hyde | Fluid energy pulse test system |
| EP2752671A3 (en) * | 2010-07-23 | 2016-08-24 | Beckman Coulter, Inc. | System or method of including analytical units |
| EP2787329B1 (en) * | 2013-04-04 | 2017-02-15 | Nanjing Youyang Control Technology Co. Ltd | Metering a flow of a fluid through a cylindrical tube section |
| CN212363372U (en) * | 2020-05-26 | 2021-01-15 | 开封市盛达水表有限公司 | Electromagnetic water meter flow performance testing device |
| CN212620845U (en) * | 2020-09-08 | 2021-02-26 | 苏州市运泰利自动化设备有限公司 | Simulation liquid backflow testing device |
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