CN105545764A - Device used for testing swing performance of marine pump - Google Patents

Device used for testing swing performance of marine pump Download PDF

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Publication number
CN105545764A
CN105545764A CN201610027718.9A CN201610027718A CN105545764A CN 105545764 A CN105545764 A CN 105545764A CN 201610027718 A CN201610027718 A CN 201610027718A CN 105545764 A CN105545764 A CN 105545764A
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China
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marine pump
tilter
pump
drive motor
marine
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CN201610027718.9A
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Chinese (zh)
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CN105545764B (en
Inventor
谈明高
陈新响
刘厚林
王勇
王凯
董亮
吴贤芳
代翠
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Jiangsu University
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Jiangsu University
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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention belongs to the field of fluid machinery experiments, and relates to a device used for testing swing performance of a marine pump. The device comprises a swing table, the marine pump, an inlet corrugated pipe section, an outlet corrugated pipe section, a frequency-conversion control cabinet and a cement base, wherein the swing table comprises a swing frame, a driving motor, a reducer, a flywheel, a connecting rod, a bearing, springs, a pin, a support, supporting plates, a positioning scale plate and a swing table base. The swing table is fixed to the cement base, and the marine pump is fixed to the swing table through foot bolts. The frequency-conversion control cabinet is used for controlling the driving motor so as to drive the swing table to operate. By means of the device, the postures and the motions of the marine pump swinging along with a ship can be simulated, and state testing of the marine pump at multiple inclination angles, in multiple swing cycles and at multiple swing amplitudes can be carried out; the device is simple in structure, convenient to mount, wide in application range, easy to operate and high in precision, and provides a feasible way for testing the performance of the marine pump under inclination and swing conditions.

Description

A kind of device waving testing property for marine pump
Technical field
The present invention relates to fluid machinery experiment field, refering in particular to a kind of for simulating marine pump with the attitude of ship sway and motion, carrying out the performance testing device of many angles of inclination and many rolling periods and amplitude.
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 produce under the effect of the factor such as wind, wave and wave and tilt.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, aggravates vibration & noise etc. simultaneously.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 can reduce experimentation cost, shorten research cycle.
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, utilizing described frequency-conversion control cabinet to control described drive motor can drive described tilter to operate, simulate marine pump with the attitude of ship sway and motion, carry out the state verification of many angles of inclination and many rolling periods and amplitude, to study marine pump in the performance variation tilted and wave 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 for testing property under marine pump inclination and swinging condition.
The present invention is achieved through the following technical solutions: a kind of device waving testing property for marine pump, comprises frequency-conversion control cabinet, tilter, marine pump, import corrugated pipe segment, outlet corrugated pipe segment and cement seat;
Described tilter comprises drive motor, retarder, rocking carrier, flywheel, connecting rod, pin, support, location graduation plate, bearing, dunnage, spring, tilter base and bolt hole; Described drive motor also comprises drive motor cable and drive motor coupling, and described drive motor connects described frequency-conversion control cabinet by described motor cable, and drives described retarder by described drive motor coupling; 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 connects flywheel and rocking carrier by pin; Described flywheel comprises Flywheel disc and pin-and-hole, and described pin-and-hole is located at the different radii place of Flywheel disc; By changing the maximum pendulum angle of the position regulation rocking carrier of described 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 positioning 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 motor, motor cable, the pump housing, pump-foot, suction flange and outlet(discharge) flange etc.; Described motor connects described frequency-conversion control cabinet by described motor cable; Described pump-foot is bolted bolt hole and is fixed on tilter; Described suction flange connects import corrugated pipe segment, described outlet(discharge) flange connection outlet corrugated pipe segment; Import corrugated pipe segment, outlet corrugated pipe segment for connecting pump inlet, export pipeline, and eliminate the impact of pipeline on test.
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, it is fixing that the one end be not connected with described marine pump in described import corrugated pipe segment, outlet corrugated pipe segment all will have supporting frame reliably to support.
In such scheme, described frequency-conversion control cabinet is by controlling drive motor in order to regulate the deflection period of described tilter.
Beneficial effect: the present invention is directed to marine pump and devise and special wave testing apparatus, can simulate marine pump with the attitude of ship sway and motion, carry out the state verification of many angles of inclination and many rolling periods and amplitude; Described tilter is fixed on cement seat, and described marine pump is fixed on tilter by anchor bolt, and control by described frequency-conversion control cabinet the deflection period that drive motor can control tilter, that can carry out described marine pump waves testing property; Also the pivot angle of the adjustable tilter of pin-and-hole that the described connecting rod inserted by conversion pin is connected with flywheel, inserts positioning hole on described location graduation plate to carry out the inclining experiment of described marine pump by pin 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 higher, for the performance test of carrying out under marine pump inclination and swinging condition provides a kind of feasible approach, has very strong use value.
Accompanying drawing explanation
Fig. 1 is that marine pump waves performance testing device schematic diagram;
Fig. 2 is Fig. 1 shown device right elevation.
Description of reference numerals: 1 frequency-conversion control cabinet, 2 tilters, 201 drive motor, 2011 drive motor cables, 2012 drive motor coupling, 202 retarders, 203 rocking carriers, 204 flywheels, 2041 Flywheel discs, 2042 pin-and-holes, 205 connecting rods, 206 pins, 207 supports, 208 location graduation plates, 209 bearings, 210 dunnages, 211 springs, 212 tilter bases, 213 bolts hole, 3 marine pumps, 301 motors, 302 motor cables, 303 pump housings, 304 pump-foots, 305 suction flanges, 306 outlet(discharge) flanges, 4 import corrugated pipe segments, 401 import bellowss, 402 import bellows flanges, 5 outlet corrugated pipe segments, 501 outlet bellowss, 502 outlet bellows flanges, 6 cement seats.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Wave a device for testing property for marine pump, it is characterized in that, comprise frequency-conversion control cabinet 1, tilter 2, marine pump 3, import corrugated pipe segment 4, outlet corrugated pipe segment 5 and cement seat 6.
Described tilter 2 comprises drive motor 201, retarder 202, rocking carrier 203, flywheel 204, connecting rod 205, pin 206, support 207, location graduation plate 208, bearing 209, dunnage 210, spring 211, tilter base 212 and bolt hole 213; Described drive motor 201 selects 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 202 adopts worm type of reduction gearing; Described rocking carrier 203 is welded by 10# channel-section steel; Described flywheel 204 is thickness 16mm steel disc, its radius r=2Rsin22.5 °, to drive the tilter amplitude of oscillation>=± 45 °; Described connecting rod 205 adopts M10 lead screw, connects described Flywheel disc 2041 and rocking carrier 203 (height 2/3 place) by described pin 206 (diameter 10mm); On described Flywheel disc 2041,0.25r, 0.5r and 0.75r place has described pin-and-hole 2042 (diameter 12mm), by changing connecting rod 205 and the link position of pin-and-hole 2042 on flywheel 204, regulates the maximum pendulum angle of rocking carrier 203; Described dunnage 210 adopts thickness to be the steel plate of 16mm, its height wherein L is described rocking carrier width, to meet the demand of described rocking carrier 203 maximum pendulum angle, described dunnage 210 is welded on described tilter base 212 both sides, and is mounted on described rocking carrier 203 both sides to reduce rolling resistance by described bearing 209 (bearing with spherical outside surface of aperture 25mm); Described spring 211 adopts stainless steel Compress Spring, is installed on (L/4 and 3L/4 place) between described rocking carrier 203 and described tilter base 212 respectively by central locating rod, to provide restoring force under maximum pendulum angle and shock absorbing; Described location graduation plate 208 have the positioning hole that size is M6 and is carved with angular values, the angle of inclination one_to_one corresponding of angular values and rocking carrier, inserting pin when reaching a certain angle and position; Described tilter base 212 is connected and fixed in order to supporting swinging platform 2 and with described cement seat 6; In the bottom platform of described rocking carrier 203, described bolt hole 213 latus rectum is consistent with pump-foot bolt hole.
Described marine pump 3 comprises motor 301, motor cable 302, the pump housing 303, pump-foot 304, suction flange 305 and outlet(discharge) flange 306 etc.; Described motor 301 connects described frequency-conversion control cabinet 1 by described motor cable 302 and drives described marine pump 3 to operate; Described pump-foot 304 passes through bolt inserting bolt hole 213 fixing and locking on tilter; Described suction flange 305 connects import corrugated pipe segment 4 by import bellows flange 402, and described outlet(discharge) flange 306 is by outlet bellows flange 502 connection outlet corrugated pipe segment 5.
Described import bellows 401 is consistent with described suction flange 305 latus rectum with the latus rectum of import bellows flange 402, and flange is stainless steel; Be bellows in described import bellows 401 material be outward wire, length L 1>=20D 1(D 1for import caliber), with rocking tendency during satisfied operation; Described outlet bellows 501 is consistent with described outlet(discharge) flange 306 latus rectum with the latus rectum of outlet bellows flange 502, and flange is stainless steel; Be bellows in described outlet bellows 501 material be outward wire, length L 2>=20D 2(D 2for outlet caliber), with rocking tendency during satisfied operation.
Described tilter base 212 must be cast or is connected and fixed by anchor bolt together with cement seat 6.
It is fixing that one end be not connected with described marine pump 3 of described import corrugated pipe segment 4, outlet corrugated pipe segment 5 all will have supporting frame reliably to support.
Described frequency-conversion control cabinet 1 is by controlling drive motor 201 to regulate the deflection period of described tilter 2.
Installation process of the present invention is as follows:
First, tilter 2 described in welding assembly, then the base 212 of described tilter 2 cast together with cement seat 6 or be connected and fixed by anchor bolt, again described marine pump 3 is lifted in rocking carrier, inserts described bolt hole 213 by bolt and described base 304 is fixed in described rocking carrier bottom platform.Install gasket seal subsequently at described suction flange 305 place additional and connect import corrugated pipe segment 4; Gasket seal connection outlet corrugated pipe segment 5 is installed additional at described outlet(discharge) flange 306 place; Finally connect motor cable.
Operating process of the present invention is as follows:
At the trial, described pin 206 is inserted the described pin-and-hole 2042 connecting described connecting rod 205 and Flywheel disc 2041 by maximum pendulum angle as requested, to regulate in described frequency-conversion control cabinet 1 frequency variator to control described drive motor 201 to change the deflection period of described tilter 2, the pin-and-hole that the described connecting rod 205 converting the insertion of described pin 206 is connected with Flywheel disc 2041 changes the amplitude of oscillation of tilter, and that can carry out described marine pump 3 waves testing property; Also when described tilter 2 reaches a certain angle of inclination, pin can be inserted positioning hole on described location graduation plate 208 to carry out the inclining experiment of described marine pump 3.
Structure of the present invention is simple, easy for installation, applied widely, processing ease, precision are higher, for the performance test of carrying out under marine pump inclination and swinging condition provides a kind of feasible approach, has very strong use value.

Claims (5)

1. one kind is waved the device of testing property for marine pump, it is characterized in that, comprise frequency-conversion control cabinet (1), tilter (2), marine pump (3), import corrugated pipe segment (4), outlet corrugated pipe segment (5) and cement seat (6);
Described tilter (2) comprises drive motor (201), retarder (202), rocking carrier (203), flywheel (204), connecting rod (205), pin (206), support (207), location graduation plate (208), bearing (209), dunnage (210), spring (211), tilter base (212) and bolt hole (213); Described drive motor (201) also comprises drive motor cable (2011) and drive motor coupling (2012), described drive motor (201) connects described frequency-conversion control cabinet (1) by described motor cable (2011), and drives described retarder (202) by described drive motor coupling (2012); Described rocking carrier (203) drives described Flywheel disc (2041) to rotate by described drive motor (201) through described retarder (202), then drives it to swing by described connecting rod (205); The bottom platform of described rocking carrier (203) has described bolt hole (213), for installing fixing described marine pump (3); Described flywheel (204) comprises Flywheel disc (2041) and pin-and-hole (2042); Described pin-and-hole (2042) is located at the different radii place of Flywheel disc (2041); Described connecting rod (205) connects described Flywheel disc (2041) and rocking carrier (203) by described pin (206); By the maximum pendulum angle of rocking carrier (203) described in the position regulation that changes described pin-and-hole (2042) on flywheel; Described drive motor (201) and described retarder (202) are supported and fixed on described tilter base (212) by described support (207); Described dunnage (210) is mounted on described rocking carrier (203) both sides by described bearing (209), and is fixed on described tilter base (212); Described spring (211) is installed between described rocking carrier (203) and described tilter base (212); Described location graduation plate (208) has positioning hole and is carved with angular values, pin location when reaching a certain angle, can be inserted; Described tilter base (212) is connected and fixed for supporting swinging platform (2) and with described cement seat (6);
Described marine pump (3) comprises motor (301), motor cable (302), the pump housing (303), pump-foot (304), suction flange (305) and outlet(discharge) flange (306); Described motor (301) connects described frequency-conversion control cabinet (1) by described motor cable (302); Described pump-foot (304) is fixed on tilter by link bolt hole (213); Described suction flange (305) connects import corrugated pipe segment (4) by import bellows flange (402), and described outlet(discharge) flange (306) is by outlet bellows flange (502) connection outlet corrugated pipe segment (5).
2. a kind of device waving testing property for marine pump according to claim 1, it is characterized in that, described marine pump (3) inserts described bolt hole (213) by bolt and is fixedly mounted in described rocking carrier bottom platform by described pump-foot (304).
3. a kind of device waving testing property for marine pump according to claim 1, it is characterized in that, described tilter base (212) is cast or is connected and fixed by anchor bolt together with cement seat (6).
4. a kind of device waving testing property for marine pump according to claim 1, it is characterized in that, it is fixing that one end be not connected with described marine pump (3) of described import corrugated pipe segment (4), outlet corrugated pipe segment (5) all has supporting frame reliably to support.
5. a kind of device waving testing property for marine pump according to claim 1, is characterized in that, described frequency-conversion control cabinet (1) is by controlling drive motor (201) to regulate the deflection period of described tilter (2).
CN201610027718.9A 2016-01-15 2016-01-15 Device used for testing swing performance of marine pump Active CN105545764B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106377410A (en) * 2015-01-09 2017-02-08 南安市荣华机械科技有限公司 Auxiliary rehabilitation massage device
CN107503953A (en) * 2017-09-21 2017-12-22 深圳核心医疗器械有限公司 A kind of apparatus and method of fast verification blood pump pressure flow curve
WO2018148917A1 (en) * 2017-02-17 2018-08-23 苏州科爱佳自动化科技有限公司 Aerospace-grade ball grid detection system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈新响: "船用离心泵可靠性强化试验方案", 《舰船科学技术》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106377410A (en) * 2015-01-09 2017-02-08 南安市荣华机械科技有限公司 Auxiliary rehabilitation massage device
WO2018148917A1 (en) * 2017-02-17 2018-08-23 苏州科爱佳自动化科技有限公司 Aerospace-grade ball grid detection system
CN107503953A (en) * 2017-09-21 2017-12-22 深圳核心医疗器械有限公司 A kind of apparatus and method of fast verification blood pump pressure flow curve

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