CN207798880U - Balance mechanism based on swinging torque-motor characteristic test - Google Patents
Balance mechanism based on swinging torque-motor characteristic test Download PDFInfo
- Publication number
- CN207798880U CN207798880U CN201721731614.2U CN201721731614U CN207798880U CN 207798880 U CN207798880 U CN 207798880U CN 201721731614 U CN201721731614 U CN 201721731614U CN 207798880 U CN207798880 U CN 207798880U
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- China
- Prior art keywords
- shift fork
- spring
- support plate
- armature shaft
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of balance mechanism based on swinging torque-motor characteristic test offers threaded hole on pedestal, and armature shaft support plate bottom is provided with cylindricality counter sink, and support plate is mounted on the pedestal by screw；It is provided with bearing block among the support plate, for placing bearing；The support plate upper design has bolt bearing seat, and M3 threaded holes are provided in fulcrum bearing, and M3 hexagon-headed bolts are horizontally fixed on by threaded hole in fulcrum bearing；Shift fork and armature shaft clearance fit make shift fork clamp armature shaft by M4 screws；Spring is mounted on bolt, and spring shim is separately mounted to both ends of the spring, and a gasket is contacted with shift fork, another gasket is contacted with adjusting nut, used in support spring and the uniform force for making shift fork；When location nut is used for determining position during armature reaches every time, position that shift fork is returned to.The utility model is of low cost, easy to process, simple and practical, dependable performance, facilitates adjusting.
Description
Technical field
The utility model is related to a kind of mechanical balance mechanisms of torque-motor characteristic test, belong to electro-hydraulic servo control element
With the testing field of electromechanical converter.
Background technology
Electro-hydraulic servo control technology since the forties occur, with its power-weight ratio high, power output (torque) greatly and
The distinguishing features such as Static and dynamic performance is excellent occupy high end position in Mechanical ＆ Electrical Transmission and control technology, and focus on the application is navigated in aviation
It, the various crucial occasions such as military issue weapons, ship, large-scale power station, steel, Material Testing Machine and shake table, to be considered as each
The crucial competitiveness of state's industry.And as the electrohydraulic servo valve of core control element, then to the performance of entire electrohydraulic servo system
Conclusive influence is played, is always one of the research hotspot of Fluid-transmission and control field.
Core component of the electromechanical converter as electrohydraulic servo valve is the bridge connected between electric signal and mechanical action
Beam, performance play conclusive influence to the overall performance of electrohydraulic control element.In numerous electromechanical converters
In, torque-motor is more common a kind of.Torque-motor converts electrical signals to mechanical movement, is worked using electromagnetic principle,
Polarizing magnetic field is generated by permanent magnet or magnetizing coil, electrical control signal generates control magnetic field, two magnetic by control coil
Interaction generates proportional to control signal and energy reaction controlling signal polarity power or torque between, to make its movement
Part generates straight-line displacement or angular displacement mechanical movement.
It is divided into linear displacement type and angular displacement type according to by the forms of motion of movable member, is divided by the structure type of movable member
Moving-iron type and moving-coil type.The armature of moving-iron type electromechanical converter is made of soft magnetic materials, and control coil is generally across being wound on armature
On, to provide control magnetic flux.The excitation mode of biasing magnetic flux has electrical excitation and permanent magnet excitation, electrical excitation mode that can then provide spirit
Changeable biasing magnetic flux living, facilitates the characteristic of electromechanical converter to adjust, permanent magnet excitation formula converter structure is compact.Work gas
Gap also has the diversified forms such as rectangle and annular according to different characteristic requirements.
Magnetic force caused by position during the electromagnetic torque and armature that the output torque of torque-motor is generated by control electric current deviate
Square forms.Different types of torque-motor, generated magnetic torque is different when position during armature deviates.Magnetic torque is positive torque
Motor has positive magnetic spring constant, and magnetic torque, which is negative torque-motor, has negative magnetic spring constant.For the power of positive spring rate
Square motor can automatically return to middle position during armature deviates when not being passed through control electric current behind position.And negative magnetic spring constant torque horse
The magnetic torque generated when position during the armature reached deviates can make armature further offset from middle position, so such torque-motor needs
It is resetted when position in wanting mechanical equilibrator that armature is enable to deviate, and the requirement to mechanical equilibrator is very high.
For negative magnetic spring constant torque-motor, characteristic test device needs to design balance mechanism.Swinging mechanism is logical
It is resetted frequently with torsional spring, to realize big reset corner, but the material of torsional spring and manufacturing process require height, and reliability is not
It is good.When working rotor corner is smaller, bourdon tube can also be used and reset, such as nozzle flapper type servo valve torque-motor armature
It resets.Bourdon tube, which resets, has frequency response height, the fast feature of dynamic response, but bourdon tube processing difficulties, and technological requirement is high, to member
Part, which turns to match, also special requirement.
Invention content
In order to overcome drawbacks described above existing for the mechanical balance mechanism of existing torque-motor characteristic test device, this practicality new
Type provide a kind of of low cost, easy to process, simple and practical, dependable performance, facilitate adjusting based on swinging torque-motor
The balance mechanism of characteristic test.
The technical solution adopted in the utility model is：
A kind of balance mechanism based on swinging torque-motor characteristic test, including pedestal, armature shaft support plate, shift fork,
Armature shaft, M4 screws, M3 hexagon-headed bolts, location nut, adjusting nut, cylindrical compression spring and spring shim, the bottom
Threaded hole is offered on seat, armature shaft support plate bottom is provided with cylindricality counter sink, by screw by support plate mounted on described
On pedestal；It is provided with bearing block among the support plate, for placing bearing；The support plate upper design has bolt bearing seat,
And M3 threaded holes are provided in fulcrum bearing, M3 hexagon-headed bolts are horizontally fixed on by threaded hole in fulcrum bearing；
The shift fork and armature shaft clearance fit make shift fork clamp armature shaft by M4 screws；
The spring is mounted on bolt, and the spring shim is separately mounted to both ends of the spring, a gasket with dial
Fork-join touches, another gasket is contacted with adjusting nut, used in support spring and the uniform force for making shift fork；The location nut
When for determining position during armature reaches every time, position that shift fork is returned to.
Further, in order to be avoided that bolt interferes shift fork, and spring can be made to act on shift fork, so the top of shift fork
It is designed to U-shaped breach.
The shift fork is provided with the through-hole of a diameter of 3mm and is clearance fit with armature shaft.
The beneficial effects of the utility model are embodied in：
1. at low cost, easy for installation：Hexagon-headed bolt, adjusting nut, location nut in the utility model and cylinder
Spiral compression spring can be obtained by online purchase, can be met the requirements without "one off" production, and many processing is saved
Cost.Adjusting nut can be with the decrement of adjustment spring, to change pretightning force, so spring installation does not need to ensure in advance
Certain pretightning force, adjusting nut reaches certain pretightning force again after spring installs, and doing so can be laborsaving and easy for installation.
2. simple and practical, facilitate adjusting：The parts of balance mechanism based on torque-motor characteristic test are few, structure is simple
It is single.This set mechanism, which can change cylindroid helical-coil compression spring, can be suitble to a variety of torque motor characteristics test devices, nut to set
Meter is so that adjust more convenient.
3. being capable of the characteristic that rotates clockwise and anticlockwise of test moment motor：The survey of swinging torque-motor dynamic characteristic
Trial assembly sets that more stringent requirements are proposed to balance mechanism, and when torque-motor rotates clockwise and anticlockwise, balance mechanism can
Armature is set to return to middle position.The utility model by change adjusting nut, location nut, cylindroid helical-coil compression spring position can
Realize the test of torque-motor rotational characteristic clockwise and anticlockwise.
Description of the drawings
Fig. 1 is the balance mechanism schematic diagram of swinging torque-motor characteristic test.
Fig. 2 is the partial enlarged view of Fig. 1, i.e. the matching relationship schematic diagram of shift fork and armature shaft.
Fig. 3 is armature shaft support plate schematic diagram.
Fig. 4 is M3 hexagon-headed bolt schematic diagrames.
Fig. 5 is location nut schematic diagram, and adjusting nut is as location nut.
Fig. 6 is M4 soket head cap screws.
Fig. 7 is the schematic diagram of shift fork.
Fig. 8 is spring schematic diagram.
Fig. 9 is the schematic diagram of spring shim.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 9, a kind of balance mechanism based on swinging torque-motor characteristic test.The balance mechanism
Including pedestal 1, armature shaft support plate 2, shift fork 5, armature shaft 6, M4 screws 4, M3 hexagon-headed bolts 3, location nut 7, adjust spiral shell
Mother 9, cylindrical compression spring 11, spring shim 8 and 10.1 offers threaded hole, 2 bottom of armature shaft support plate on the pedestal
It is provided with cylindricality counter sink, support plate is mounted on the pedestal by screw.Bearing block is provided among support plate, for putting
Set bearing.Support plate upper design has bolt bearing seat, and M3 threaded holes are provided in fulcrum bearing, and M3 hexagon-headed bolts 3 pass through
Threaded hole is horizontally fixed in fulcrum bearing.
The shift fork 5 is provided with the through-hole of a diameter of 3mm and is clearance fit with armature shaft 6, makes shift fork by M4 screws 4
5 clamp armature shaft.In order to be avoided that bolt interferes shift fork, and spring can be made to act on shift fork, so the top of shift fork is set
Count into U-shaped breach.
The spring 11 is mounted on bolt, and the spring shim 8 and 10 is separately mounted to both ends of the spring, a pad
Piece 8 is contacted with shift fork 5, another gasket 10 is contacted with adjusting nut 9, used in support spring and the uniform force for making shift fork.Institute
When the location nut 7 stated is used for determining position during armature reaches every time, position that shift fork is returned to.
Swinging torque-motor rotates clockwise characteristic test：Location nut 7, adjusting nut 9, cylindroid helical-coil compression spring
11, spring shim 8 and 10 is in position as shown in Figure 1, and armature is first fixed on middle position, makes to dial by M4 soket head cap screws 4
Fork 5 clamps armature shaft 6.Then rotational positioning nut 7 is contacted with shift fork 5.Armature is stirred in the case that cold, is seen after loosing one's grip
Middle position can be returned to by examining armature, be repeated the above steps if cannot return to middle position and can rotate adjusting nut 9.If rotation is adjusted
Nut also can not make armature return to middle position, that spring for just changing rigidity repeats aforesaid operations.
Swinging torque-motor rotates counterclockwise characteristic test：Location nut 4 at this time turns to Far Left and becomes to adjust
Nut, and adjusting nut 9 is turned to and is contacted with shift fork 5, cylindroid helical-coil compression spring 11 is mounted between nut 4 and shift fork 5, balance
The adjusting of mechanism is rotated clockwise with swinging torque-motor as the operation of characteristic test.
Above-mentioned specific implementation mode is used for explaining the utility model, rather than limits the utility model, in this reality
With in novel spirit and scope of the claims, to any modifications and changes that the utility model is made, this is both fallen within
The protection domain of utility model.
Claims (3)
1. a kind of balance mechanism based on swinging torque-motor characteristic test, it is characterised in that：The balance mechanism includes bottom
Seat, armature shaft support plate, shift fork, armature shaft, M4 screws, M3 hexagon-headed bolts, location nut, adjusting nut, cylinder compress bullet
Spring and spring shim offer threaded hole on the pedestal, and armature shaft support plate bottom is provided with cylindricality counter sink, passes through screw
Support plate is mounted on the pedestal；It is provided with bearing block among the support plate, for placing bearing；In the support plate
Portion is designed with bolt bearing seat, and M3 threaded holes are provided in fulcrum bearing, and M3 hexagon-headed bolts are horizontally fixed on by threaded hole
In fulcrum bearing；
The shift fork and armature shaft clearance fit make shift fork clamp armature shaft by M4 screws；
The spring is mounted on bolt, and the spring shim is separately mounted to both ends of the spring, and a gasket connects with shift fork
It touches, another gasket is contacted with adjusting nut, used in support spring and the uniform force for making shift fork；The location nut is used for
When determining position during armature reaches every time, position that shift fork is returned to.
2. the balance mechanism as described in claim 1 based on swinging torque-motor characteristic test, it is characterised in that：Described group
The top of fork is equipped with U-shaped breach.
3. the balance mechanism as claimed in claim 1 or 2 based on swinging torque-motor characteristic test, it is characterised in that：Institute
Shift fork is stated to be provided with the through-hole of a diameter of 3mm and be clearance fit with armature shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731614.2U CN207798880U (en) | 2017-12-13 | 2017-12-13 | Balance mechanism based on swinging torque-motor characteristic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731614.2U CN207798880U (en) | 2017-12-13 | 2017-12-13 | Balance mechanism based on swinging torque-motor characteristic test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798880U true CN207798880U (en) | 2018-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721731614.2U Expired - Fee Related CN207798880U (en) | 2017-12-13 | 2017-12-13 | Balance mechanism based on swinging torque-motor characteristic test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207798880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860947A (en) * | 2017-12-13 | 2018-03-30 | 浙江工业大学 | Balanced controls based on swinging torque-motor characteristic test |
-
2017
- 2017-12-13 CN CN201721731614.2U patent/CN207798880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860947A (en) * | 2017-12-13 | 2018-03-30 | 浙江工业大学 | Balanced controls based on swinging torque-motor characteristic test |
| CN107860947B (en) * | 2017-12-13 | 2023-12-19 | 浙江工业大学 | Balance mechanism based on rotary torque motor characteristic test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20201213 |