CN105545765A - Performance test device under swing condition of marine pump - Google Patents
Performance test device under swing condition of marine pump Download PDFInfo
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- CN105545765A CN105545765A CN201610029493.0A CN201610029493A CN105545765A CN 105545765 A CN105545765 A CN 105545765A CN 201610029493 A CN201610029493 A CN 201610029493A CN 105545765 A CN105545765 A CN 105545765A
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- marine pump
- hole
- outlet
- pressure
- tilter
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- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention belongs to the field of fluid mechanical experiments, and relates to a performance test device under a swing condition of a marine pump. The performance test device mainly comprises a swing table, the marine pump, a hydrophone, a pressure sensor, an acceleration sensor, a data acquisition instrument and a variable-frequency control cabinet, wherein the swing table comprises a swing frame, a drive motor, a speed reducer, a fly wheel, a bracket, a supporting plate, a positioning scale plate and a swing table base; the marine pump is fixed to the swing table through a foot bolt; the swing table is fixed to a cement base; and the variable-frequency control cabinet is utilized to control the drive motor, so that the swing table can be driven to operate. The performance test device can carry out external characteristic, vibration, noise and pressure pulse test under multiple working conditions, multiple angles of inclination and multiple swing periods and amplitudes of the marine pump. The performance test device is simple in structure, is convenient to mount, is wide in scope of application, is easy to operate, and is relatively high in precision, can carry out synchronous test for external characteristics, vibrations, noises and pressure pulse signals, so that effective means are provided for carrying out performance test under the inclination and swing conditions of the marine pump.
Description
Technical field
The present invention relates to fluid machinery experiment field, refer in particular to the testing apparatus studied for the external characteristics under marine pump inclination and swinging condition, vibration, noise and pressure pulsation.
Background technique
Ship sway refers to the periodicity angular displacement campaign that naval vessel is done around axis.Naval vessel is float waterborne, be no matter navigation or berth time, all can wave along with stormy waves produces and tilt.
Under ocean condition, hull can produce and wave under the effect of the factor such as wind, wave, and the medium in marine pump and pipeline thereof can produce complementary acceleration, added force of inertia, working medium is made to produce cyclic fluctuation, the unsteady characteristic of impact flowing or dynamic response characteristic, stressed change when simultaneously waving pump operation peculiar to vessel under environment can cause hydraulic machinery hydraulic performance to reduce too, simultaneously aggravation vibration & noise etc.Develop and use marine pump swinging test device, can in the lab marine pump be showed really with the attitude of ship sway and motion, determining that marine pump is tilting and waving the adaptability used in environment by test; Replace sea trial with land test simultaneously, greatly reduce experimentation cost, shorten the lead time.
At present, each developed country has all dropped into the development that a large amount of manpower and materials are engaged in various Swaying Test Platform.Carderock branch of water surface tactical operations center of USN have developed the tilter that electric liquid drives, the automobile driving simulation device etc. of Japanese Toyota and the development of German Benz motor corporation.China's tilter development is started late, but development is rapider.Nanjing electronic technology research institute devises the large-scale Swaying Test Platform of certain shipborne radar, for radar antenna system provides the test stand of a simulation warship body; The north universities and colleges such as science and engineering, Harbin Institute of Technology also have developed Aircraft Simulator moving platform, and earthquake simulation platform etc. has been put on display in Shanghai 2010 World Expo.These tilters are the integrative test equipment integrating machinery, hydraulic pressure, control technique and sensor detecting, although can realize multifreedom motion simulation, complex structure, cost is very high, operation uses difficulty, and breaks down and be difficult to investigation, therefore not easily promotes the use of.
Therefore, necessary for a kind of simple swinging test device of this particular type pump of marine pump proposition.For this reason, first design one is by the tilter of bearings, marine pump is arranged on tilter, it is driven to run by motor, instrument, sensor is utilized to carry out Real-Time Monitoring to its performance, pump performance change peculiar to vessel under inclination and swinging condition can be drawn, tilting to study marine pump and waving the adaptability used in environment.This device processes material object, and operational excellence.There is no the patent disclosure for marine pump swinging test device at present.The present invention is described to apply more marine vertical centrifugal pump on naval vessel, and the present invention also may be used on other type of pump.
Summary of the invention
The invention provides a kind of testing apparatus studied for the external characteristics under marine pump inclination and swinging condition, vibration, noise and pressure pulsation.
The present invention is achieved through the following technical solutions: the performance testing device under marine pump swinging condition, comprises computer, data collecting instrument, frequency-conversion control cabinet, tilter, marine pump, water tank, inlet ductwork, export pipeline, hydrophorce, acceleration transducer, pressure transducer and cement seat;
Described tilter comprises rocking carrier, drive motor, retarder, flywheel, connecting rod, pin, support, location graduation plate, bearing, dunnage, spring, tilter base and bolt hole; Described flywheel comprises Flywheel disc and pin-and-hole, and described pin-and-hole is located at different radii place on Flywheel disc; Described rocking carrier is driven by flywheel linkage mechanism, and power is inputted via coupling connection reducer by drive motor; The bottom platform of described rocking carrier has bolt hole, for installing fixing marine pump; Described connecting rod to be connected flywheel and rocking carrier by pin and pin-and-hole; By changing the maximum pendulum angle of the position regulation rocking carrier of pin-and-hole on flywheel; Described drive motor and retarder are fixed on tilter base by stent support; Described dunnage is mounted on rocking carrier both sides by bearing, and is fixed on described tilter base; Described spring fitting, between rocking carrier and base, can provide the restoring force under maximum pendulum angle and energy shock absorbing; Described location graduation plate has hole and is carved with angular values, pin location when reaching a certain angle, can be inserted; Described tilter base is used for supporting swinging platform and is connected and fixed with cement seat;
Described marine pump comprises spiral case, base, suction flange, outlet(discharge) flange and motor cable; Described spiral case opens tapped hole, and for connecting described pressure transducer, described pressure transducer connects described data collecting instrument by datawire; Described spiral case is equipped with described acceleration transducer, and described import and export flange and described pump-foot corner respectively fill 1 described acceleration transducer, and described acceleration transducer connects described data collecting instrument by datawire; Described motor cable one end is connected with described marine pump, and the other end is connected with described frequency-conversion control cabinet;
Described water tank comprises casing, intake-discharge pipe road, water output connector, backwater hole and water tank platform; Described lower box has two inipples, and one is described water output connector, and another connects described intake-discharge pipe road, and described water output connector is connected with pump inlet pipe, and its joint of described intake-discharge pipe road is as far as possible near lower box; Described backwater hole is connected with export pipeline, for described export pipeline backwater; Water tank described in described water tank platform, and keep inlet ductwork level;
Described inlet ductwork comprises inlet tube, inlet control valve, inlet pressure transmitter and import pressure-taking hole and joint; Described inlet tube comprises the first import pipeline section, the second import pipeline section and import corrugated flexible hose, and described import corrugated flexible hose connects the suction flange of described marine pump; Described second inlet tube is provided with described import pressure-taking hole and joint; Described import pressure-taking hole and joint are connected with one end of inlet pressure transmitter, and the other end of described inlet pressure transmitter is connected with the input end of described data collecting instrument;
Described export pipeline comprises outer pipe, discharge control valve, electromagnetic flowmeter, outlet pressure transmitter and outlet pressure-taking hole and joint; Described outer pipe comprises the first outlet pipe section, outlet corrugated flexible hose and follow-up outlet pipe section, and described first outlet pipe section connects described marine pump outlet(discharge) flange and described outlet corrugated flexible hose; Described first export pipeline has tapped hole, for connecting described hydrophorce; Described outer pipe is also provided with pressure-taking hole and joint, and described outlet pressure-taking hole and joint are connected with one end of described outlet pressure transmitter, and the other end of described outlet pressure transmitter is connected with the input end of described data collecting instrument; The output terminal of described data collecting instrument is connected with described computer.
In such scheme, described marine pump inserts described bolt hole by bolt and is fixedly mounted in described rocking carrier bottom platform by described base.
In such scheme, described tilter base must be cast or is connected and fixed by anchor bolt together with described cement seat.
In such scheme, it is fixing that described inlet ductwork, export pipeline all will have supporting frame reliably to support.
In such scheme, described import pressure-taking hole and joint and described inlet tube are on same level position.
In such scheme, described outlet pressure-taking hole and joint are arranged on the horizontal pipeline section of described outlet pipe section.
In such scheme, described in described intake-discharge pipe road is also provided with, enter draining control valve, described in enter draining control valve be quick opening valve.
In such scheme, described frequency-conversion control cabinet is by controlling drive motor in order to regulate the deflection period of described tilter.
In such scheme, described computer is provided with the system supporting with described data collecting instrument.
Beneficial effect of the present invention:
The present invention is directed to marine pump and devise special swinging test device, test with the external characteristics under many rolling periods and amplitude, vibration, noise and pressure pulsation under the many angles of inclination of marine pump multi-operating mode can be carried out, described tilter is fixed on cement seat, described marine pump is fixed on tilter by anchor bolt, the deflection period that drive motor can control tilter is controlled by described frequency-conversion control cabinet, the maximum pendulum angle of the adjustable tilter of pin-and-hole that the described connecting rod inserted by conversion pin is connected with flywheel, the operating mode of described marine pump can be changed by controlling described control of export valve regulating flow, described outlet pressure transmitter, inlet pressure transmitter and flowmeter gather pressure data and data on flows, described hydrophorce acquisition stream bulk noise sound pressure signal, described noise acceleration and pressure transducer collection vibration and pressure fluctuation signal are sent to described data collecting instrument, described computer acquisition signal acquisition corresponding data, that can carry out described marine pump waves testing property, or the hole of being inserted by pin on described location graduation plate has positioned the inclining experiment of described marine pump when described rocking carrier reaches a certain angle of inclination, structure of the present invention is simple, easy for installation, applied widely, processing ease, precision are high, and the synchronism detection of external characteristics, vibration, noise and pressure fluctuation signal can be carried out, for the external characteristics test under marine pump inclination and swinging condition and vibration, noise and pressure pulsation experimental test provide effective means, there is very strong use value.
Accompanying drawing explanation
Fig. 1 is marine pump swinging test device schematic diagram;
Fig. 2 is the schematic diagram of tilter shown in Fig. 1;
Fig. 3 is the distribution schematic diagram of measuring point shown in Fig. 1.
In figure: 1 computer, 2 data collecting instruments, 3 frequency-conversion control cabinets, 4 tilters, 401 rocking carriers, 402 drive motor, 403 retarders, 404 flywheels, 4041 Flywheel discs, 4042 pin-and-holes, 405 connecting rods, 406 pins, 407 supports, 408 location graduation plates, 409 bearings, 410 dunnages, 411 springs, 412 tilter bases, 413 bolts hole, 5 marine pumps, 501 spiral cases, 502 bases, 503 suction flanges, 504 outlet(discharge) flanges, 505 motor cables, 6 water tanks, 601 casings, 602 water output connectors, 603 intake-discharge pipe roads, 6031 intake-discharge pipes and joint, 6032 enter draining control valve, 604 backwater mouths, 605 water tank platforms, 7 inlet ductwork, 701 inlet tubes, 7011 first import pipeline sections, 7012 second import pipeline sections, 7013 import corrugated flexible hoses, 702 inlet control valves, 703 inlet pressure transmitters, 704 import pressure-taking hole and joints, 8 outlet pipe sections, 801 outer pipes, 8011 first outer pipes, 8012 outlet corrugated flexible hoses, 8013 follow-up outlet pipe sections, 802 discharge control valves, 803 electromagnetic flowmeters, 804 outlet pressure transmitters, 805 outlet pressure-taking hole and joints, 9 hydrophorces, 10 acceleration transducers, 11 pressure transducers, 12 cement seats.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Performance testing device under marine pump swinging condition, comprises computer 1, data collecting instrument 2, frequency-conversion control cabinet 3, tilter 4, marine pump 5, water tank 6, inlet ductwork 7, export pipeline 8, hydrophorce 9, acceleration transducer 10, pressure transducer 11 and cement seat 12.
Described tilter 4 comprises rocking carrier 401, drive motor 402, retarder 403, flywheel 404, connecting rod 405, pin 406, support 407, location graduation plate 408, bearing 409, dunnage 410, spring 411, tilter base 412 and bolt hole 413; Described rocking carrier 401 is welded by 10# channel-section steel, and described drive motor 402 adopts slowspeed machine, for the slowspeed machine of the replaceable different capacity of different pumps, and rating formula
wherein, F is the horizontal component of described marine pump under maximum angle, and R is the perpendicular distance of described marine pump center of gravity to two bearings center, and n is described drive motor rotating speed; Described retarder 403 adopts worm type of reduction gearing; Described flywheel 404 is thickness 16mm steel disc, its radius r=2Rsin22.5 °, to drive the tilter amplitude of oscillation>=± 45 °; Described connecting rod 405 adopts M10 lead screw, connects described Flywheel disc 4041 and rocking carrier 401 (height 2/3 place) by described pin 406 (diameter 10mm); On described Flywheel disc 4041,0.25r, 0.5r and 0.75r place has described pin-and-hole 4042 (diameter 12mm), the maximum pendulum angle of the adjustable rocking carrier 401 of pin-and-hole 4042 that the connecting rod 405 inserted by changing pin 406 is connected with flywheel 404; Described dunnage 410 adopts the steel plate of 16mm thickness, its height
wherein L is described rocking carrier width, to meet the demand of described rocking carrier 401 maximum pendulum angle, be welded on described tilter base 412, and be mounted on described rocking carrier 401 both sides to reduce rolling resistance by described bearing 409 (bearing with spherical outside surface of aperture 25mm); Described spring 411 adopts stainless steel Compress Spring, is installed on (L/4 and 3L/4 place) between described rocking carrier 401 and described tilter base 412 by central locating rod, to provide restoring force under maximum pendulum angle and shock absorbing; Described location graduation plate 408 has hole and is carved with angular values, the angle of inclination one_to_one corresponding of angular values and rocking carrier, pin location when reaching a certain angle, can be inserted; Described tilter base 412 is connected and fixed for supporting swinging platform 4 and with described cement seat 12; In the bottom platform of described rocking carrier 401, described bolt hole 413 latus rectum is consistent with marine pump bolt of lower base hole.
Described marine pump 5 comprises spiral case 501, base 502, suction flange 503, outlet(discharge) flange 504 and motor cable 505; Described spiral case 501 has 6 tapped holes, for Bonding pressure sensor (P
1~ P
6), each pressure transducer connects described data collecting instrument 2 by datawire; Described spiral case 501 installs 4 acceleration transducer (M
1~ M
4), 1 acceleration transducer (M is all installed in described suction flange 503, outlet(discharge) flange 504 place and described pump-foot corner
5~ M
10), each acceleration transducer is by datawire connection data acquisition instrument 2; Described motor cable 505 one end is connected with described marine pump 5, and the other end is connected with described frequency-conversion control cabinet 3.
Described water tank 6 comprises casing 601, water output connector 602, intake-discharge pipe road 603, backwater hole 604 and water tank platform 605; The capacity of described water tank 6 will enough meet systemic circulation usage requirement; Described water output connector 602 latus rectum is consistent with described inlet ductwork 7 latus rectum; Described intake-discharge pipe road 603 as far as possible near lower box, described intake-discharge pipe road 603 be threaded connection be provided with described in enter draining control valve 6032, joint must keep sealing; Described enter draining control valve 6032 be quick opening valve; Described backwater hole 604 size enough puts into described export pipeline 8; Described water tank platform 605 can support described water tank 6, highly can keep inlet ductwork 701 level.
Described inlet ductwork 7 comprises inlet tube 701, inlet control valve 702, inlet pressure transmitter 703 and import pressure-taking hole and joint 704; Described inlet tube 701 comprises the first import pipeline section 7011, second import pipeline section 7012 and import corrugated flexible hose 7013; Described inlet tube 701 latus rectum is consistent with described suction flange latus rectum, and flange is stainless steel; Be bellows in described import corrugated flexible hose 7013 material be outward wire, length L
1>=20D
1(D
1for import caliber), with rocking tendency during satisfied operation; Described second import pipeline section 7012 has described import pressure-taking hole and joint 704, and described import pressure-taking hole and joint 704 are with inlet tube 701 on same level position, and sealing process must be carried out to ensure tightness in joint.
Described export pipeline 8 comprises outer pipe 801, discharge control valve 802, electromagnetic flowmeter 803, outlet pressure transmitter 804 and outlet pressure-taking hole and joint 805; Described outer pipe 801 comprises the first outlet pipe section 8011, outlet corrugated flexible hose 8012 and follow-up outlet pipe section 8013; Described outer pipe 801 latus rectum is consistent with described outlet(discharge) flange latus rectum, and flange is stainless steel; Described first export pipeline 8011 opens 1 tapped hole, for connecting hydrophorce (H at its 4D place, flange downstream
1); Be bellows in described outlet corrugated flexible hose 8012 material be outward wire, length L
2>=20D
2(D
2for outlet caliber), meet rocking tendency when running; Described outlet pipe section 8013 horizontal pipe segment length should be not less than 4D, opens the diameter that described outlet pressure-taking hole and joint 805, D are described immersed pump outlet 502 at its 2D place, flange downstream; Described outlet pressure-taking hole and joint 805 and described import pressure-taking hole and joint 704 diameter d=2 ~ 6mm or 1/10 caliber, get the smaller value in both, pressure-taking hole degree of depth L>1.25d; Described discharge control valve 802 is copper gate valve, and latus rectum is consistent with described outlet(discharge) flange 504; Described electromagnetic flowmeter 803 model is DKS-LDE Intelligent integrated formula electromagnetic flowmeter, and the forward and backward straight tube segment length of described electromagnetic flowmeter 803 is 3 ~ 5D.
Described marine pump 5 inserts described bolt hole 413 by bolt and is fixedly mounted in described rocking carrier bottom platform by described base 502.
Described tilter base 412 must be cast or is connected and fixed by anchor bolt together with cement seat 12.
Described inlet ductwork 701, that export pipeline 801 all will have supporting frame reliably to support is fixing.
Described hydrophorce 9 adopts ST70 type hydrophorce.
Described acceleration transducer 10 adopts ICP type vibration acceleration sensor.
Described pressure transducer 11 adopts high frequency dynamic pressure transducer.
Described data collecting instrument 2 input end is connected with described outlet pressure transmitter 804, inlet pressure transmitter 703 and electromagnetic flowmeter 803 by signaling line, receive the electrical signal of pressure and flow, described hydrophorce 9 acquisition stream bulk noise sound pressure signal, described acceleration transducer 10 and pressure transducer 11 gather vibration and pressure fluctuation signal, output terminal is connected with described computer 1, for corollary system provides real-time input signal, be convenient to subsequent treatment.
Described computer 1 is provided with the system supporting with described data collecting instrument 2.
Installation process of the present invention is as follows:
First, tilter 4 described in welding assembly, then the base 412 of described tilter 4 cast together with cement seat 12 or be connected and fixed by anchor bolt, again described marine pump 5 is lifted in rocking carrier, inserts described bolt hole 413 by bolt and described base 502 is fixed in described rocking carrier bottom platform.In described inlet ductwork 7, inlet tube 701, inlet control valve 702, inlet pressure transmitter 703 and import pressure-taking hole and joint 704 are installed subsequently, are then integrally connected to described water tank water output connector 602; At described export pipeline 8 installation outlet pipe 801, discharge control valve 802, electromagnetic flowmeter 803, outlet pressure transmitter 804 and outlet pressure-taking hole and joint 805, and pipeline tail end is put into backwater hole 604; Water tank intake-discharge pipe road 603 is installed; Each sensor is finally installed and connection data line connect motor cable; In installation process, all flange connection surfaces all need to install rubber sheet gasket additional, and all joints all need to ensure sealing.
Operating process of the present invention is as follows:
During experiment, by described intake-discharge pipe road 603 toward water filling in described casing 601, after water filling completes, described in closedown, enter draining control valve 6032, described pin 406 is inserted the described pin-and-hole 4042 connecting described connecting rod 405 and Flywheel disc 4041 by maximum pendulum angle as requested, regulate frequency variator in described frequency-conversion control cabinet 3 to drive described tilter 4 to meet the requirements of rolling period to control described drive motor 402, open the system acquisition signal acquisition relevant parameter on described computer 1, the pivot angle that the pin-and-hole that the described connecting rod 405 converting the insertion of described pin 406 is connected with Flywheel disc 4041 changes tilter is allowed to condition at rocking tendency ± 5 °, ± 15 °, ± 25 °, work under ± 35 ° and ± 45 °, under each angle of inclination, regulate frequency variator in described frequency-conversion control cabinet 3 to make it at 8s to control drive motor 402 to the deflection period changing described tilter 4, 10s, operate under 12s and 14s, described discharge control valve 802 is regulated to allow marine pump at 0.2Q more respectively, 0.4Q, 0.6Q, 0.8Q, run under 1.0Q and 1.2Q operating mode, the multi-operating mode of described marine pump 5 can be carried out, testing property is waved under many rolling periods and amplitude, also can described rocking carrier 401 reach 0 °, a certain angle of inclination, ± 5 °, ± 10 °, ± 15 °, ± 20 °, ± 22.5 ° and ± 25 ° time pin inserted positioning hole on described location graduation plate 408 with the testing property under many angles of inclination of carrying out described marine pump 5.The relevant external characteristics that described computer 1 is gathered, vibration, noise and pressure pulsation parameter carry out grouping and preserve, and then carry out data processing, analysis, can reach a conclusion.
Structure of the present invention is simple, easy for installation, applied widely, processing ease, precision are high, and the synchronism detection of external characteristics, vibration, noise and pressure fluctuation signal can be carried out, for the external characteristics test under marine pump inclination and swinging condition and vibration, noise and pressure pulsation experimental test provide effective means, there is very strong use value.
Claims (8)
1. the performance testing device under marine pump swinging condition, it is characterized in that, comprise computer (1), data collecting instrument (2), frequency-conversion control cabinet (3), tilter (4), marine pump (5), water tank (6), inlet ductwork (7), export pipeline (8), hydrophorce (9), acceleration transducer (10), pressure transducer (11) and cement seat (12);
Described tilter (4) comprises rocking carrier (401), drive motor (402), retarder (403), flywheel (404), connecting rod (405), pin (406), support (407), location graduation plate (408), bearing (409), dunnage (410), spring (411), tilter base (412) and bolt hole (413); Described flywheel (404) comprises Flywheel disc (4041) and pin-and-hole (4042), and described pin-and-hole (4042) is located at the upper different radii place of Flywheel disc (4041); Described rocking carrier (401) drives described Flywheel disc (4041) to rotate by described drive motor (402) through described retarder (403), then drives it to swing by described connecting rod (405); The bottom platform of described rocking carrier (401) has described bolt hole (413), for installing fixing described marine pump (5); Described connecting rod (405) to be connected described Flywheel disc (4041) and rocking carrier (401) by described pin (406) and pin-and-hole (4042); By the maximum pendulum angle of rocking carrier (401) described in the position regulation that changes the upper pin-and-hole (4042) of described flywheel (404); Described drive motor (402) and described retarder (403) are supported and fixed on described tilter base (412) by described support (407); Described dunnage (410) is mounted on described rocking carrier (401) both sides by described bearing (409), and is fixed on described tilter base (412); Described spring (411) is installed between described rocking carrier (401) and described tilter base (412); Described location graduation plate (408) has hole and is carved with angular values, pin location when reaching a certain angle, can be inserted; Described tilter base (412) is connected and fixed for supporting swinging platform (4) and with described cement seat (12);
Described marine pump (5) comprises spiral case (501), base (502), suction flange (503), outlet(discharge) flange (504) and motor cable (505); (501) have tapped hole to described spiral case, and for connecting described pressure transducer (11), each described pressure transducer (11) connects described data collecting instrument (2) by datawire; Described acceleration transducer (10) described spiral case (501) is equipped with, described suction flange (503), outlet(discharge) flange (504) place and described pump-foot corner respectively fill 1 acceleration transducer (10), and each acceleration transducer (10) is by datawire connection data acquisition instrument (2); Described motor cable (505) one end is connected with described marine pump (5), and the other end is connected with described frequency-conversion control cabinet (3);
Described water tank (6) comprises casing (601), water output connector (602), intake-discharge pipe road (603), backwater hole (604) and water tank platform (605); Two inipples are arranged at described casing (601) bottom, and one is described water output connector (602), and another connects described intake-discharge pipe road (603); Described water output connector (602) is connected with described inlet ductwork (7); Described intake-discharge pipe road (603) comprises intake-discharge pipe and joint (6031) and enters draining control valve (6032), and described intake-discharge pipe road (603) is as far as possible near lower box; Described backwater hole (604) is connected with export pipeline (8), for described export pipeline (8) backwater; Described water tank platform (605) supports described water tank (6), and keeps inlet ductwork (701) level;
Described inlet ductwork (7) comprises inlet tube (701), inlet control valve (702), inlet pressure transmitter (703) and import pressure-taking hole and joint (704); Described inlet tube (701) comprises the first import pipeline section (7011), the second import pipeline section (7012) and import corrugated flexible hose (7013), and described import corrugated flexible hose (7013) connects the suction flange (503) of marine pump (5); Described second import pipeline section (7012) is provided with import pressure-taking hole and joint (704); Described import pressure-taking hole and joint (704) are connected with one end of inlet pressure transmitter (703), and the other end of described inlet pressure transmitter (703) is connected with the input end of described data collecting instrument (2);
Described export pipeline (8) comprises outer pipe (801), discharge control valve (802), electromagnetic flowmeter (803), outlet pressure transmitter (804) and outlet pressure-taking hole and joint (805); Described outer pipe (801) comprises the first outlet pipe section (8011), outlet corrugated flexible hose (8012) and follow-up outlet pipe section (8013), and described first outlet pipe section (8011) connects marine pump (5) outlet(discharge) flange (504) and described outlet corrugated flexible hose (8012); Described first export pipeline (8011) has tapped hole, for connecting described hydrophorce (9); Described outlet pipe section (8013) is provided with described outlet pressure-taking hole and joint (805), described outlet pressure-taking hole and joint (805) are connected with one end of outlet pressure transmitter (804), and the other end of described outlet pressure transmitter (804) is connected with the input end of described data collecting instrument (2); The output terminal of described data collecting instrument (2) is connected with described computer (1).
2. the performance testing device according to claim 1 under marine pump swinging condition, it is characterized in that, described marine pump (5) inserts described bolt hole (413) by bolt and is fixedly mounted in described rocking carrier bottom platform by described base (502).
3. the performance testing device according to claim 1 under marine pump swinging condition, it is characterized in that, described tilter base (412) must be cast or is connected and fixed by anchor bolt together with cement seat (12).
4. the performance testing device according to claim 1 under marine pump swinging condition, is characterized in that, described inlet ductwork (701), that export pipeline (801) all will have supporting frame reliably to support is fixing.
5. the performance testing device according to claim 1 under marine pump swinging condition, is characterized in that, described import pressure-taking hole and joint (704) with inlet tube (701) on same level position; Described outlet pressure-taking hole and joint (805) are arranged on the horizontal pipeline section of described outlet pipe section (8013).
6. the performance testing device according to claim 1 under marine pump swinging condition, it is characterized in that, enter draining control valve (6032) described in described intake-discharge pipe road (603) is also provided with, described in enter draining control valve (6032) be quick opening valve.
7. the performance testing device according to claim 1 under marine pump swinging condition, is characterized in that, described frequency-conversion control cabinet (3) is by controlling drive motor (402) in order to regulate the deflection period of described tilter (4).
8. the performance testing device according to claim 1 under marine pump swinging condition, it is characterized in that, described computer (1) is provided with the system supporting with described data collecting instrument (2).
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| CN107762823A (en) * | 2017-09-27 | 2018-03-06 | 中国舰船研究设计中心 | A kind of pump apparatus noise source characteristic test apparatus and measuring method |
| CN108644101A (en) * | 2018-05-23 | 2018-10-12 | 江苏大学 | A kind of device for synchronism detection pump operation performance |
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| CN107676272A (en) * | 2017-09-14 | 2018-02-09 | 江苏大学 | A kind of fast adjuster of Working Conditions of Centrifugal Injection Pumps |
| CN107676272B (en) * | 2017-09-14 | 2019-05-31 | 江苏大学 | A kind of fast adjuster of Working Conditions of Centrifugal Injection Pumps |
| CN107762823A (en) * | 2017-09-27 | 2018-03-06 | 中国舰船研究设计中心 | A kind of pump apparatus noise source characteristic test apparatus and measuring method |
| CN108644101A (en) * | 2018-05-23 | 2018-10-12 | 江苏大学 | A kind of device for synchronism detection pump operation performance |
| CN108869033A (en) * | 2018-06-09 | 2018-11-23 | 安徽华兴车辆有限公司 | A kind of oil pump for engine pump core vibration measurement device |
| CN114060291A (en) * | 2021-10-27 | 2022-02-18 | 江苏大学 | Centrifugal pump multi-source signal parallel processing method based on coupling misalignment working condition |
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