CN206192560U - Linear electric motor capability test laboratory bench - Google Patents
Linear electric motor capability test laboratory bench Download PDFInfo
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- CN206192560U CN206192560U CN201621135392.3U CN201621135392U CN206192560U CN 206192560 U CN206192560 U CN 206192560U CN 201621135392 U CN201621135392 U CN 201621135392U CN 206192560 U CN206192560 U CN 206192560U
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Abstract
The utility model provides a linear electric motor capability test laboratory bench, including frame, servo motor and monitoring device, bent axle, connecting rod, piston rod, balance mechanism, the drive is connected by servo motor to the bent axle, in servo motor's both sides, be each opposition of level straight line and be provided with an auxiliary connecting rod, piston rod actuating mechanism, in servo motor one side, the one end and the servo motor driven the crankshaft of connecting rod, the other end rotationally is connected with the one end of piston rod, the piston rod is connected with the linear electric motor who tries that awaits measuring, at the servo motor opposite side, the one end of connecting rod and servo motor driven the crankshaft, the other end rotationally is connected with the one end of piston rod, the piston rod is connected with a balance mechanism. The utility model discloses a measure linear electric motor output voltage, electric current to and servo motor's input power isoparametric, and then indirect measurement linear electric motor's generated power and efficiency, this laboratory bench has simple structure, moves characteristics reliable, that the measurement is convenient, the precision is high.
Description
Technical field
The utility model is related to a kind of linear motor performance test device, is mainly used in the generating of drum type brake linear electric motors
The test of power and efficiency, belongs to linear motor performance technical field of measurement and test.
Background technology
Drum type brake linear electric motors are broadly divided into three kinds of moving-magnetic type, moving-iron type and moving-coil type, are mainly used in free-piston type
Engine, realizes that mechanical energy is converted into electric energy.In free piston engine, the efficiency of linear electric motors is lifted to overall efficiency
Vital effect is played, accordingly, it would be desirable to special linear electric motors experimental bench is tested the efficiency of linear electric motors, is easy to
Improve the design of linear electric motors.
Because the reciprocating frequency of Stirling engine with free piston is higher, generally in the range of 30~100Hz,
Want to test its performance under linear electric motors working frequency, testing stand higher to test bed design requirement, common at present
The vibratory impulse requirement under high-frequency reciprocating vibration can not be met.
Therefore, it is necessary to it is high and vibrate the property of small test platform to linear electric motors to design a kind of simple structure, reliability
Can be tested.
Utility model content
The purpose of this utility model is to provide a kind of linear motor performance test experimental bed, is exported by measuring linear electric motors
Voltage, electric current, and servomotor the parameter such as input power, and then the generated output and efficiency of measurement linear electric motors indirectly,
The characteristics of experimental bench has simple structure, convenient reliable, measurement, high precision.
The technical scheme that the utility model is provided is as follows：
A kind of linear motor performance test experimental bed, including support, servomotor and supervising device, it is characterised in that：Also
Including：Bent axle, connecting rod, piston rod, balanced controls；Described bent axle is connected by servomotor and driven；In the servomotor
, opposite disposed there are a slave connecting rod, piston rod drive mechanism in both sides in horizontal linear is each；It is described in the servomotor side
The bent axle that one end of connecting rod drives with servomotor is connected, and the other end is rotatably coupled with one end of the piston rod；Piston
Bar is connected with linear electric motors to be tested；In the servomotor opposite side, one end of described connecting rod and the servomotor
The bent axle connection of driving, the other end is rotatably coupled with one end of the piston rod；Piston rod is connected with a balanced controls, uses
The axial inertia force for producing is moved back and forth in balance linear electric motors.
In the technical program, by a pair of pistons bar set in support both sides, and for connecting piston rod and servo
A pair of links of motor, realizes the connection of servomotor and piston rod, and by piston rod and the connection of linear electric motors to be measured, make
Piston rod is driven to move reciprocatingly by connecting rod when its servomotor is rotated, it is therefore an objective to drive linear electric motors to be measured to do reciprocal fortune
It is dynamic.A pair of links is set in the way of opposed type simultaneously can effectively cancel out the reciprocating inertia force of linear electric motors, drop
Low position vibration.Generating power output is calculated by so by measuring the voltage and current that linear electric motors are exported, then is measured and is watched
The parameters such as power input to a machine are taken, the generating efficiency of linear electric motors can be extrapolated, be not only simple in structure and reliability is high and shakes
It is dynamic small.
Preferably, the linear electric motors include stator and mover, and the stator is connected by connector with the support, institute
State mover to be set on the piston rod, and drive relatively described stator reciprocating by the piston rod.
In the technical program, by the customization and the connection of support of linear electric motors, and the connection of mover and piston rod so that
Piston rod drives mover to move reciprocatingly together when moving reciprocatingly, so by measuring the voltage that linear electric motors are exported
Generating power output can be calculated with electric current, then measure the parameters such as the input power of servomotor, the hair of linear electric motors can be released
Electrical efficiency.
Preferably, the crank throw angle that the bent axle is used to connect left linkages is 180 °.
The crank throw angle of bent axle is set to 180 °, it is therefore an objective to so that a straight line of the bent axle in opposite disposed a pair of links
On, it is ensured that while one end end of connecting rod is around crank rotation, whole connecting rod can only do the reciprocating motion on left and right directions.
Preferably, the both sides of the support are each provided with a pair of linear bearings, linear bearing be used to supporting linear electric motors and
Balanced controls, and be connected with the support.
A pair of linear bearings are set on every side of support, and a pair of linear bearings set up separately in the both sides of linear electric motors,
And be connected with support, it is therefore an objective to guide effect can be played for piston rod by a pair of linear bearings, be also prevented from straight-line electric
Machine splits away off from piston rod, it is ensured that the connective stability of linear electric motors.
Preferably, the pilot hole for being embedded in the linear bearing, and the linear axis bearing sleeve are provided with the support
It is located on the piston rod, one end of its piston rod is located at support inner side, and be connected with the connecting rod, the other end
Positioned at support outside, and it is connected with the linear electric motors or balanced controls.
In the technical program, it is embedded in the pilot hole of support both sides by the linear bearing for setting, is realized past to piston rod
The direction of multiple motion is oriented to, it is to avoid first shifted in high-frequency reciprocating motion.
A kind of linear motor performance test experimental bed that the utility model is provided, can bring a kind of following beneficial effect：
1st, in the utility model, by opposite disposed a pair of links, the connection of a pair of pistons bar and servomotor is realized,
Piston rod is attached with linear electric motors to be measured simultaneously so that under servomotor rotary motion, by connecting rod band piston
Bar moves reciprocatingly, and makes its linear electric motors to be measured while moving reciprocatingly.So by measuring the voltage that linear electric motors are exported
Generating power output can be calculated with electric current, then measure the parameters such as the input power of servomotor, the hair of linear electric motors can be released
Electrical efficiency.
2nd, by the set-up mode of opposed type in the utility model, it is ensured that the reciprocating mass of both sides is identical, can offset
Reciprocal inertia force, so as to reduce vibration.
3rd, in the utility model, it is connected with the crank rotation on servomotor by one end of a pair of links, the other end leads to
Cross piston pin to be attached with the end of piston rod, realize that rotary motion is changed to linear motion, and simple structure, stability
It is high.
4th, it is attached by setting rolling bearing between one end of the utility model connecting rod and bent axle, reduces both and rotate
When frictional force each other, extend its service life.
5th, the utility model is connected by the linear bearing for setting with the pilot hole of setting on support, not only piston rod
The guide effect there is provided direction is moved back and forth, piston rod can also be avoided to be fractureed in high-frequency reciprocating motion existing
As further increasing the service life.
6th, newly with support be connected the stator of linear electric motors by this practicality, and mover is connected with piston rod, realizes that piston rod does
During reciprocating motion, drive mover to do synchronous reciprocating motion, straight-line electric can simply be calculated by the power of servomotor
The generating efficiency of machine, so as to judge the performance of linear electric motors.
Brief description of the drawings
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, a kind of linear motor performance is surveyed
Above-mentioned characteristic, technical characteristic, advantage and its implementation for trying experimental bench are further described.
Fig. 1 is the structural representation of the utility model linear motor performance test experimental bed；
Fig. 2 is the dimensional structure diagram of the utility model another angle of linear motor performance test experimental bed.
Drawing reference numeral explanation：
Servomotor 100；Bent axle 101；Piston pin 102；Rolling bearing 103；
Support 200；Piston rod 300；Connecting rod 400；
Linear electric motors 500；Stator 501；Mover 502；
Linear bearing 600.
Specific embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other implementation methods.
In embodiment of the present utility model, referring to shown in Fig. 1, a kind of linear motor performance test experimental bed, including machine
Seat 200, servomotor 100 and supervising device (not indicated in figure), also including bent axle 101, connecting rod 400, piston rod 300, balance
Mechanism (does not indicate) in figure.Wherein, bent axle 101 connects driving by servomotor 100, in the both sides of servomotor 100, in level
Straight line is each opposite disposed to have a slave connecting rod 400, piston rod drive mechanism；And it is arranged on a pair of pistons bar of the both sides of support 200
300, while servomotor 100 is attached by the opposite disposed a pair of links 400 in both sides with a pair of pistons bar 300.It is described
One end of connecting rod 400 is rotatably coupled with the output shaft of servomotor 100, and the end of the other end and corresponding piston rod 300
Portion is rotatably connected.
As shown in Figure 1, it is connected with linear electric motors 500 to be tested on the piston rod 300 in above-mentioned left side, and the work on right side
A balanced controls are provided with stopper rod 300, balanced controls are used to balance the inertia force that linear electric motors 500 move back and forth generation.Tool
The set-up mode of body can according to the actual requirements depending on, as long as ensureing that the pressure being subject on a pair of pistons bar 300 is equal.
During practice, piston rod 300 is connected with linear electric motors to be measured 500, so when servomotor 100 is rotated,
Piston rod 300 is driven to move reciprocatingly by connecting rod 400, so as to drive linear electric motors to be measured 500 to move reciprocatingly.And then pass through
The power of servomotor 100, calculates the parameters such as the generated output of linear electric motors to be measured 500.
In the present embodiment two, a pair of links 400 has various with the connected mode of servomotor 100, in the application preferably
Ground, sets a bent axle 101 on servomotor 100, and one end of bent axle 101 stretches out for the one end with a pair of links 400
Connection is rotated, it is therefore an objective to drive piston rod 300 to move back and forth by the rotation drivening rod 400 of bent axle 101.
In the present embodiment two, it is preferable that be set on bent axle 101 in one end of connecting rod 400, and the other end is lived by one
Plug pin 102 is rotatably coupled with one end end of piston rod 300, can so cause connecting rod 400 in the driving of bent axle 101
Under, piston rod 300 can be driven reciprocating.
In the present embodiment two, it is preferable that the one end being set in connecting rod 400 on bent axle 101 passes through a rolling bearing 103
It is attached, when specifically installing, rolling bearing 103 is set on bent axle 101, then one end of connecting rod 400 is set in rolling
On bearing 103, bent axle 101 can be changed into rolling with the sliding friction of connecting rod 400 using the rolling bearing 103 for setting and rubbed
Wipe, it is to avoid frictional force is excessive between the two, cause abrasion, and then influence service life.Certainly above-mentioned bearing uses sliding axle
Hold also possible.
In the present embodiment two, it is preferable that the crank throw angle that bent axle 101 is used to connect left linkages 400 is set to
180 °, the reciprocal inertia force that left and right part is produced can be so balanced, the stability of structure during further raising test, while
Reduce the vibration of whole platform.
In the present embodiment three, the both sides of further support 200 are each provided with a pair of linear bearings 600, a pair of straight lines
Bearing 600 is respectively used to support linear electric motors 500 and balanced controls, and is connected with support 200.Simultaneously in the both sides of support 200
It is provided with the pilot hole for being embedded in linear bearing 600.During specific installation, pilot hole is respectively provided with the both sides of support 200, by a pair
After linear bearing 600 is set on a pair of pistons bar 300, it is embedded respectively in the pilot hole of both sides, makes the one of its piston rod 300
End is located at the inner side of support 200, and is connected with connecting rod 400, and the other end is located at the outside of support 200, and is connected with linear electric motors 500.
It should be noted that medial and lateral are to be inner side near the side of servomotor 100, and the side for installing linear electric motors 500 is outer
Side, as shown in Figure 1, is only illustrative explanation.
In the present embodiment three, it is preferable that be directed to the perforate direction in hole and the diameter parallel of piston rod 300, such energy
Guide effect of the pilot hole to the direction of motion of piston rod 300 is enough met, while on the basis of guide effect is met, also meeting and living
The reciprocating smoothness of stopper rod 300, it is to avoid the motion frequency of piston rod 300 is too high to fracture.
In the present embodiment four, a pair of linear bearings 600 are further respectively provided with every side of support 200, and will
A pair of linear bearings 600 set up separately in the both sides of linear electric motors 500, while being connected with support 200, it is therefore an objective to so that linear bearing
On the basis of 600 play guide effect, linear electric motors 500 are limited within the scope of certain, it is to avoid reciprocating process
Cathetus motor 500 splits away off from piston rod 300, improves the stability of operation.Specifically by a pair of the both sides of support 200
Linear bearing 600 is fixedly connected with support 200, in specific connected mode the application, no longer repeats one by one, it is ensured that even
The stability for connecing.
Used as a specific embodiment, the linear electric motors 500 being provided with include stator 501 and move the utility model
Son 502.During actual installation, stator 501 is connected by connector with support 200, and mover 502 is set on piston rod 300
, its stator 501 is accurately positioned with support 200, with ensure linear electric motors 500 in linear motion mover 502 with
Stator 501 does not produce interference, during measurement mover 502 by piston rod 300 drive and relative stator 501 it is reciprocating, make its two
Person keeps synchronous.Wherein, it is bolt, screw etc. for the connector for connecting.
Additionally, be additionally provided with a testing stand supervising device, for being started to testing stand, being run, parking toll, and
Perform the functions such as alarm, data test, display, data record and printing.
It should be noted that the utility model can be to the straight line of drum type brake moving-magnetic type, moving-iron type and moving-coil type three types
Motor 500 carries out performance test, the performance of linear electric motors 500 of test different types need to only change relevant interface (piston rod 300
Diameter) size, the fixed form of mover 502 and stator 501 is constant.As long as opposed type testing stand scheme each falls within this specially
The scope of profit protection.
It should be noted that above-described embodiment can independent assortment as needed.The above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, is not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of linear motor performance test experimental bed, including support, servomotor and supervising device, it is characterised in that：
Also include：Bent axle, connecting rod, piston rod, balanced controls；
Described bent axle is connected by servomotor and driven；
In the both sides of the servomotor, opposite disposed there are a slave connecting rod, piston rod drive mechanism in horizontal linear is each；
In the servomotor side, the bent axle that one end of described connecting rod drives with servomotor is connected, the other end with it is described
One end of piston rod is rotatably coupled；Piston rod is connected with linear electric motors to be tested；
In the servomotor opposite side, the bent axle that one end of described connecting rod drives with the servomotor is connected, the other end
One end with the piston rod is rotatably coupled；Piston rod is connected with a balanced controls, is back and forth transported for balancing linear electric motors
The axial inertia force of movable property life.
2. linear motor performance test experimental bed according to claim 1, it is characterised in that：
The linear electric motors include stator and mover, and the stator is connected by connector with the support, and the mover is arranged
On the piston rod, and drive relatively described stator reciprocating by the piston rod.
3. linear motor performance test experimental bed according to claim 1 and 2, it is characterised in that：
The crank throw angle that the bent axle is used to connect left linkages is 180 °.
4. linear motor performance test experimental bed according to claim 1 and 2, it is characterised in that：
The both sides of the support are each provided with a pair of linear bearings, and linear bearing described in a pair is respectively used to support the straight-line electric
Machine and the balanced controls, and be connected with the support.
5. linear motor performance test experimental bed according to claim 3, it is characterised in that：
The both sides of the support are each provided with a pair of linear bearings, and linear bearing described in a pair is respectively used to support the straight-line electric
Machine and the balanced controls, and be connected with the support.
6. linear motor performance test experimental bed according to claim 4, it is characterised in that：
The pilot hole for being embedded in the linear bearing is provided with the support, and the linear bearing is set in the piston
On bar, one end of its piston rod is located at support inner side, and be connected with the connecting rod, the other end is located at the support
Outside, and be connected with the linear electric motors or the balanced controls.
7. linear motor performance test experimental bed according to claim 5, it is characterised in that：
The pilot hole for being embedded in the linear bearing is provided with the support, and the linear bearing is set in the piston
On bar, one end of its piston rod is located at support inner side, and be connected with the connecting rod, the other end is located at the support
Outside, and be connected with the linear electric motors or the balanced controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621135392.3U CN206192560U (en) | 2016-10-18 | 2016-10-18 | Linear electric motor capability test laboratory bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621135392.3U CN206192560U (en) | 2016-10-18 | 2016-10-18 | Linear electric motor capability test laboratory bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192560U true CN206192560U (en) | 2017-05-24 |
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ID=58731579
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621135392.3U Active CN206192560U (en) | 2016-10-18 | 2016-10-18 | Linear electric motor capability test laboratory bench |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085499A (en) * | 2018-06-21 | 2018-12-25 | 上海大学 | A kind of linear electric generator performance testing device |
| CN111077010A (en) * | 2020-01-09 | 2020-04-28 | 国家康复辅具研究中心 | Do benefit to pneumatic cylinder test bench of centering |
-
2016
- 2016-10-18 CN CN201621135392.3U patent/CN206192560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085499A (en) * | 2018-06-21 | 2018-12-25 | 上海大学 | A kind of linear electric generator performance testing device |
| CN111077010A (en) * | 2020-01-09 | 2020-04-28 | 国家康复辅具研究中心 | Do benefit to pneumatic cylinder test bench of centering |
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