CN209485688U - A kind of test device of pump-jet propulsor open-water performance - Google Patents
A kind of test device of pump-jet propulsor open-water performance Download PDFInfo
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- CN209485688U CN209485688U CN201920429633.2U CN201920429633U CN209485688U CN 209485688 U CN209485688 U CN 209485688U CN 201920429633 U CN201920429633 U CN 201920429633U CN 209485688 U CN209485688 U CN 209485688U
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- pump
- jet propulsor
- drive shaft
- open
- test
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Abstract
The utility model discloses a kind of test devices of pump-jet propulsor open-water performance, it is related to propeller test device field, including pump-jet propulsor rotor, the pump-jet propulsor rotor is arranged on the output end of horizontal drive shaft, driven wheel of differential is installed on the input terminal of horizontal drive shaft, driven wheel of differential is driven by drive bevel gear, and drive bevel gear is mounted on the output end of longitudinal drive shaft, and the input terminal of longitudinal drive shaft is connect with motor by shaft coupling；Motor is arranged on test car, and test car is placed on external fixing rack, and the both ends of test car are arranged in preloading spring and pressure sensor, and the position of pressure sensor setting is consistent with the direction for the horizontal lateral force that driven wheel of differential acts on drive bevel gear；Pump dynamograph is additionally provided in the horizontal drive shaft.The utility model structure setting is exquisite, and the operation is stable can accurately test the open-water performance of pump-jet propulsor, can be widely applied to the test of pump-jet propulsor open-water performance.
Description
Technical field
The utility model relates to a kind of test of propeller test device more particularly to pump-jet propulsor open-water performance dresses
It sets.
Background technique
Pump-jet propulsor is a kind of catheter propeller comprising stator before rotor or postposition stator.One to get up as developed recently
Kind novel propeller has the advantages that propulsive efficiency is high, radiated noise is low, the critical speed of a ship or plane is high, has very in every field
It is widely applied.But the country starts late to the research of pump-jet propulsor technology, design theory, property about pump-jet propulsor
It can test and application aspect is perfect not enough compared to external.In terms of the performance test of pump-jet propulsor, since pump spray promotes
The labyrinth of device, making it, there are many technology barriers in thrust test.It at this stage can only be by indirect mode, to obtain
The thrust of pump-jet propulsor.
Utility model content
In view of the above problems, the object of the present invention is to provide a kind of test device of pump-jet propulsor open-water performance,
The thrust that pump-jet propulsor is obtained by pressure sensor obtains the torque and revolving speed in horizontal drive shaft by pump dynamograph, from
And the input power of pump-jet propulsor rotor is obtained, to obtain open-water performance of the pump-jet propulsor under true operating condition.
To achieve the above object, the utility model uses following technical scheme:
A kind of test device of pump-jet propulsor open-water performance, including pump-jet propulsor rotor, the pump-jet propulsor turn
Son is arranged on the output end of horizontal drive shaft, and driven wheel of differential, driven wheel of differential are equipped on the input terminal of horizontal drive shaft
It is driven by drive bevel gear, drive bevel gear is mounted on the output end of longitudinal drive shaft, the input terminal and electricity of longitudinal drive shaft
Machine is connected by shaft coupling；Motor is arranged on test car, and test car is placed on external fixing rack, and preloading spring and pressure pass
The both ends of test car are arranged in sensor, and the position of pressure sensor setting and driven wheel of differential act on drive bevel gear
The direction of horizontal lateral force is consistent；Pump dynamograph is additionally provided in the horizontal drive shaft.
Further, the outside of pump-jet propulsor rotor is arranged in pump-jet propulsor stator；The pump-jet propulsor stator
It is arranged in shell side.
Further, the longitudinal drive shaft, horizontal drive shaft are separately positioned on longitudinal drive shaft axle sleeve, cross by bearing
Into propeller shaft tube.
Further, the pump-jet propulsor stator includes conduit and inlet guide vane, and the center of the inlet guide vane is method
Blue structure, the flange arrangement are fastenedly connected with shell, are equipped with waterproof gasket between the shell and flange arrangement.
Further, shell and pump-jet propulsor rotor and pump-jet propulsor stator are arranged in sink.
It further, further include data collection system, data collection system acquisition pressure sensor and pump dynamograph are being tested
When data.
Further, trolley idler wheels are provided on test car.
Further, the preloading spring is equipped with adjustable nut.
Further, baffle is provided with above pressure sensor.
The utility model has the advantages that
1. the utility model adds preloading spring using the outer solid fixed inside rear end of frame, forward preload is provided for test car
Power can correct its pressure sensor, reduce test car idler wheel and outer framework generates the influence of frictional force, improve thrust
The precision of measurement.
2. being respectively provided with driving sleeve outside the utility model longitudinal drive shaft and horizontal drive shaft, prevent transmission shaft because of twisting resistance
It is excessive, and shift to longitudinal drive shaft and horizontal drive shaft position, workpiece is improved in the stability of test process；
3. baffle is arranged in the utility model on pressure sensor, prevent test car under the action of thrust torque on
It sticks up, enhances the stability of test car during the test；
4. the utility model transmission shaft and driving sleeve structure are simple, replacement is convenient, thus it is possible to vary longitudinal drive shaft and
The length of longitudinal drive shaft axle sleeve may be implemented propeller and test in the open-water performance of different depth；
5. the utility model uses electric machine external, housing seal requirement is reduced, short circuit caused by reducing because of leak
Safety factor；
6. pump dynamograph is placed directly among horizontal drive shaft by the utility model, pump-jet propulsor rotor can be directly acquired
The data of revolving speed and torque, acquisition are more accurate.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the test device of pump-jet propulsor open-water performance；
Fig. 2 is the cross-sectional view of line A-A in Fig. 1；
Fig. 3 is the cross-sectional view of line B-B in Fig. 1.
Appended drawing reference:
1, external fixing rack；2, motor；3, test car；4, preloading spring；5, pressure sensor；6, trolley idler wheels；7,
One bearing；8, longitudinal drive shaft axle sleeve；9, longitudinal drive shaft；10, pump-jet propulsor rotor；11,3rd bearing；12, it laterally passes
Moving axis axle sleeve；13, pump dynamograph；14, shell；15, second bearing；16, conduit；17, inlet guide vane；18, horizontal drive shaft；19,
Fourth bearing；20, driven wheel of differential；21, drive bevel gear.
Specific embodiment
To be understood the utility model is further, the utility model is carried out with example with reference to the accompanying drawing detailed
Description.
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
A kind of test device of pump-jet propulsor open-water performance, including pump-jet propulsor rotor 10, the pump-jet propulsor
Rotor 10 is arranged on the output end of horizontal drive shaft 18, and driven wheel of differential 20 is equipped on the input terminal of horizontal drive shaft 18,
Driven wheel of differential 20 is driven by drive bevel gear 21, and drive bevel gear 21 is mounted on the output end of longitudinal drive shaft 9, Zong Xiangchuan
The input terminal of moving axis 9 is connect with motor 2 by shaft coupling；Motor 2 is arranged on test car 3, and test car 3 is placed in outer fixation
On frame 1, preloading spring 4 and pressure sensor 5 are arranged in the both ends of test car 3, and the position that is arranged of pressure sensor 5 with from
The direction that dynamic bevel gear 20 acts on the horizontal lateral force of drive bevel gear 21 is consistent；It is additionally provided in the horizontal drive shaft 18
Pump dynamograph 13；The outside of pump-jet propulsor rotor 10 is arranged in pump-jet propulsor stator；The pump-jet propulsor stator setting exists
14 side of shell.Preloading spring is added by using the outer solid fixed inside rear end of frame, provides forward pretightning force for test car, it can
To be corrected to its pressure sensor, reduces test car idler wheel and outer framework generates the influence of frictional force, improve thrust measurement
Precision.
The longitudinal drive shaft 9, horizontal drive shaft 18 are separately positioned on longitudinal drive shaft axle sleeve 8 by bearing, laterally pass
In moving axis axle sleeve 12.It is respectively provided with driving sleeve outside the utility model longitudinal drive shaft and horizontal drive shaft, prevents transmission shaft because turning round
It is excessive to turn power, and shifts to longitudinal drive shaft and horizontal drive shaft position, improves workpiece in the stability of test process.
It is provided with baffle above pressure sensor 5, baffle is set on pressure sensor, prevents test car in thrust torque
Under the action of upwarp, enhance the stability of test car during the test.
Referring to figs 1 and 3, include the external fixing rack 1 for being fixed on ground outside the utility model, be limited in outer fixation
The movable test car 3 of frame 1,1 interior forward end both sides of external fixing rack are equipped with pressure sensor 5, and its rear end both sides, which are equipped with, pre-tightens bullet
Spring 4 simultaneously pre-tightens test car 3, and pretightning force is far longer than frictional force between test car 3 and fixed outer framework 1,
Come into full contact with test car 3 with pressure sensor 5.Before being tested, first pressure at two ends sensor 5 is modified, is led to
The nut for overregulating preloading spring 4 changes its pretightning force, makes both ends first pressure sensor 51, second pressure sensor 52
Numerical value is equal, and then its numerical value is zeroed again.
As shown in Figure 1, Figure 2, motor 2 is fixed on 3 center of test car, by connecting 9 output torque of longitudinal drive shaft.
9 lower end of longitudinal drive shaft is equipped with drive bevel gear 21, driven wheel of differential 20, outputs torque to horizontal drive shaft 18, laterally passes
Moving axis 18 outputs torque to pump-jet propulsor rotor 10 again, and longitudinal drive shaft 9 and 18 both ends of horizontal drive shaft are equipped with first
It is bearing 7, second bearing 15,3rd bearing 11, fourth bearing 19 and horizontal drive shaft axle sleeve 12, longitudinal to propeller shaft tube 8,
To guarantee the stability of device work.
As shown in Figure 1, Figure 2, 8 upper end of longitudinal drive shaft axle sleeve is fixedly connected by ring flange with test car 3, it is longitudinal
The lower end of propeller shaft tube 8 is connect by ring flange with shell 14, and centre is equipped with waterproof gasket, and 14 upper end of shell is recessed
It falls into place and is filled uniform, polishing using foam.
As shown in Figure 1, Figure 2, conduit 16, inlet guide vane 17 are attached by ring flange and 14 tail portion of shell, it is preposition
It is equipped with waterproof gasket among the ring flange of guide vane 17, using foam filling, polishing at its bolt hole, keeps its surface smooth.
As shown in connection with fig. 2, horizontal drive shaft covers 12 front ends equipped with reinforcing rib, is welded on shell 14, horizontal drive shaft set
12 tail portion is connected with shell 14, and centre is installed with pump dynamograph 13, measures the revolving speed and output torque of horizontal drive shaft 18.
Measuring and analysis system includes the pump dynamograph 13 being arranged among horizontal drive shaft 18；Setting is in 1 inside of external fixing rack
The pressure sensor 4 of front end；The sensor of pond front end flow velocity is set；The pressure sensor data being arranged on console is adopted
Collecting system, pump dynamograph data collection system and computer equipment.
The utility model is first according to the size in pond, the size of pump-jet propulsor, the concrete condition of operating condition of test and test
Economy, select the transmission ratio and operating condition of test of suitable moulded dimension scaling factor, transmission parts.According to entire experimental rig
Intensity requirement, vibration control requires to determine size, material and the specification of each module.
Specific installation process is as follows:
1) on the ground by external fixing rack 1 it is horizontal with pond on, and be fixed on the ground.
2) test car 3 is installed: test car 3 being placed in external fixing rack 1,3 front end of test car is adjacent to first pressure
The first preloading spring 41, the second preloading spring 42, the first preloading spring are installed in sensor 51, second pressure sensor 52, rear end
41, the second preloading spring 42 provides the forward pretightning force of test car 3；
3) transmission parts are installed: 3rd bearing 11, fourth bearing 19 being installed to 12 both ends of horizontal drive shaft axle sleeve, and pacified
The driven wheel of differential 20 of horizontal drive shaft 18 and 18 one end of horizontal drive shaft is filled, and power is installed among horizontal drive shaft 18
Instrument 13, while installing longitudinal drive shaft 9 and its drive bevel gear 21；
4) pump-jet propulsor is installed: pump-jet propulsor stator, that is, conduit 16, inlet guide vane 17 are mounted on 14 tail portion of shell,
It is connected with ring flange, centre is equipped with waterproof gasket, and 14 upper end recess of shell is filled uniform, polishing using foam.
Pump-jet propulsor rotor 10 is mounted on 18 tail end of horizontal drive shaft；
5) 8 both ends of longitudinal drive shaft axle sleeve connection shell 14 and test car 3: are installed into first bearing 7,3rd bearing
Longitudinal drive shaft 9 is inserted in after 15,8 lower end of longitudinal drive shaft axle sleeve is connect by ring flange with shell 14, and intermediate be equipped with is prevented
Water cushion piece, and 14 upper end recess of shell is filled uniform, polishing using foam, the upper end and 3 flange of test car connect
Connect fixation；
6) motor 2 is installed: motor 2 is fixed on test car 3, power output is carried out to longitudinal drive shaft 9；
7) software is analyzed in installation in real time on computers, and data line derived from pump dynamograph 13, pressure sensor 5 is connected to
On computer, while measuring instrument being connected with the mains；
8) debugging apparatus after the completion of integral installation: the first preloading spring 41, the second preloading spring 42 are adjusted, its pretightning force is made
It is far longer than the frictional force of test car 3 Yu external fixing rack 1, and after keeping its 5 numerical value of pressure at two ends sensor identical, pressure is passed
Sensor 5 is zeroed: after the completion of debugging, so that it may be tested according to specific operating condition and test specification starting experimental rig.
Specifically, 3 traverse of test car can be moved in external fixing rack 1 with 6 direction left-right orientation of trolley idler wheels.To make
3 front end of test car comes into full contact with two pressure sensors 5 of external fixing rack 1, installs two preload bullets in 3 rear end of test car
Spring 4 makes the numerical value of pressure sensor 5 be greater than zero, then the numerical value of pressure sensor 5 is zeroed.After debugging, in operating condition
Under, the numerical value obtained on pressure sensor 5 is equivalent to the thrust T size of pump-jet propulsor.Pump-jet propulsor turns in order to obtain
The input power of son 10, adds pump dynamograph 13 in the horizontal drive shaft 18 of 10 rear end of pump-jet propulsor rotor, the pump dynamograph 13
The torque M and revolving speed n in horizontal drive shaft 18 can be directly acquired.
In test process, revolving speed n, torque M, the resultant force T that pressure sensor 5 measures that pump dynamograph 13 obtains are obtained in real time,
The fixed flow rate v that pond provides.Pump-jet propulsor propulsive efficiency formula on experimental rig is as follows:
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Claims (9)
1. a kind of test device of pump-jet propulsor open-water performance, which is characterized in that described including pump-jet propulsor rotor (10)
Pump-jet propulsor rotor (10) is arranged on the output end of horizontal drive shaft (18), installs on the input terminal of horizontal drive shaft (18)
Have driven wheel of differential (20), driven wheel of differential (20) is driven by drive bevel gear (21), and drive bevel gear (21) is mounted on vertical
To the output end of transmission shaft (9), the input terminal of longitudinal drive shaft (9) is connect with motor (2) by shaft coupling；Motor (2) setting
On test car (3), test car (3) is placed on external fixing rack (1), and preloading spring (4) and pressure sensor (5) setting exist
The both ends of test car (3), and the position of pressure sensor (5) setting and driven wheel of differential (20) act on drive bevel gear
(21) direction of horizontal lateral force is consistent；Pump dynamograph (13) are additionally provided on the horizontal drive shaft (18).
2. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that pump-jet propulsor is fixed
Outside of the son setting in pump-jet propulsor rotor (10)；The pump-jet propulsor stator is arranged in shell (14) side.
3. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that longitudinal transmission
Axis (9), horizontal drive shaft (18) are separately positioned in longitudinal drive shaft axle sleeve (8), horizontal drive shaft axle sleeve (12) by bearing.
4. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that the pump spray promotes
Device stator includes conduit (16) and inlet guide vane (17), and the inlet guide vane (17) is provided centrally with flange arrangement, the method
Blue structure is fastenedly connected with shell (14), is equipped with waterproof gasket between the shell (14) and flange arrangement.
5. according to the test device of the described in any item pump-jet propulsor open-water performances of claim 2 or 4, which is characterized in that shell
Body (14) and pump-jet propulsor rotor (10) and pump-jet propulsor stator are arranged in sink.
6. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that further include that data are adopted
Collecting system, data collection system acquire the data of pressure sensor (5) and pump dynamograph (13) in experiment.
7. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that test car (3)
On be provided with trolley idler wheels (6).
8. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that the preloading spring
(4) it is equipped with adjustable nut.
9. the test device of pump-jet propulsor open-water performance according to claim 1, which is characterized in that pressure sensor
(5) top is provided with baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429633.2U CN209485688U (en) | 2019-04-01 | 2019-04-01 | A kind of test device of pump-jet propulsor open-water performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429633.2U CN209485688U (en) | 2019-04-01 | 2019-04-01 | A kind of test device of pump-jet propulsor open-water performance |
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|---|---|
| CN209485688U true CN209485688U (en) | 2019-10-11 |
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|---|---|---|---|
| CN201920429633.2U Expired - Fee Related CN209485688U (en) | 2019-04-01 | 2019-04-01 | A kind of test device of pump-jet propulsor open-water performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132599A (en) * | 2019-04-01 | 2019-08-16 | 江苏大学 | A kind of test device of pump-jet propulsor open-water performance |
-
2019
- 2019-04-01 CN CN201920429633.2U patent/CN209485688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132599A (en) * | 2019-04-01 | 2019-08-16 | 江苏大学 | A kind of test device of pump-jet propulsor open-water performance |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |