CN105606361B - Adjustable clearance experiment porch - Google Patents
Adjustable clearance experiment porch Download PDFInfo
- Publication number
- CN105606361B CN105606361B CN201610060505.6A CN201610060505A CN105606361B CN 105606361 B CN105606361 B CN 105606361B CN 201610060505 A CN201610060505 A CN 201610060505A CN 105606361 B CN105606361 B CN 105606361B
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- support frame
- gap
- servo motor
- optical axis
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Measuring And Other Instruments (AREA)
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Abstract
The invention discloses a kind of adjustable clearance experiment porch, are related to servo motor field, are mainly used for the correctness of the influence studied in gap to servo-system movenent performance and verifying gap discrimination and backoff algorithm.Adjustable clearance experiment porch of the present invention includes pedestal, support frame, servo motor (containing driver), gap link, optical axis and load block.Two pieces of U-shaped support frames are separately fixed at pedestal, servo motor is fixed on a wherein end face of a support frame, servo motor shaft is connected with gap link, gap link is connected by first axle linear support with optical axis, the other end of optical axis is connected also through the second axis with linear support with load block, and optical axis is installed on the support frame by rolling bearing.This experiment porch has the characteristics that adjustable angular clearances, electric-machine directly-driven and load inertia than adjustable, meets the research requirement influenced about gap size on servo-system movenent performance.
Description
Technical field
The present invention relates to a kind of adjustable clearance experiment porch, and in particular to moves for studying gap size to servo-system
The adjustable clearance experiment porch that performance influences.
Background technique
In servo-system, lead screw and gear-box often introduce gap.Gap is a kind of hard non-with memory characteristic
Linear phenomena, the abrasion of its appearance meeting acceleration mechanical part；In the relatively high occasion of some pairs of required precisions, cause to shake by it
Dynamic, delay and error often reduce the movenent performance of system.It is transported in order at large study gap size to servo-system
The influence of dynamic performance, it would be desirable to by an adjustable experiment porch of gap size.
Currently, existing adjustable clearance experiment porch is all linear gap mostly, that is, introduce a pair of of moving link in gap
Mutually do linear displacement.Usual servo-system is rotating electric machine, if being converted to linear movement, generally to introduce lead screw or
Person gear and rack teeth mechanism is realized.And the load inertia ratio that will be greatly reduced servo-system is done so, cause result of study not have
It is representative.Although a few experiments platform uses angular clearances, their positioning clamping device is more complicated, is not easy to
Manual operation.
Therefore, those skilled in the art is dedicated to developing a kind of adjustable clearance experiment porch, for studying gap size
Servo-system movenent performance is influenced.
Summary of the invention
The problem for present on, the present invention devise a kind of adjustable clearance experiment porch, and the form in gap is between angle
Gap, gap positioning method are hole face positioning, and connection type is holding screw connection.To keep system load ratio of inertias adjustable, also set
The unified load block with size is counted.Entire experiment porch has easy to operate, the load inertia advantage more adjustable than on a large scale, full
Foot requires the research that servo-system movenent performance influences about gap size.
In order to achieve the above objectives, adjustable clearance experiment porch of the present invention, including servo motor, gap link, biography
Moving axis and load block, on the support frame, support frame as described above is mounted on the base for the servo motor installation, the load block suit
On the transmission shaft, the gap link is directly connected to the shaft of the transmission shaft Yu the servo motor.
Further, the gap link uses angular clearances, adjustable.
Further, the transmission shaft uses optical axis.
Further, the load block uses the load of one or more identical size.
Further, the gap link is by motor side union piece (4), gap adjustment part (5), optical axis side connection zero
Part (6) composition, wherein gap adjustment part (5) uses hole face positioning side relative to the motor side union piece (4)
Formula, radial to be fixed using holding screw, the fan-shaped boss of the optical axis side union piece (6) is inserted into the motor side union piece
(4) and gap adjustment part (5) is formed by space to form gap, and the size in the gap passes through described in rotation
Gap adjusts part (5) to adjust.
Further, the servo motor passes through interference fit and flat key mode and the motor side union piece (4) phase
Connection.
Further, the optical axis side union piece (6) completes to fasten by first axle with linear support (7) and rotation axis
Connection.
Further, support frame as described above includes front support frame (2) and rear support frame (10), the front support frame (2) and institute
Stating rear support frame (10) is the U-shaped frame that both ends of the surface get through hole, wherein the front support frame (2) is connected with the servo motor
End face is also evenly distributed with four threaded holes, and the through-hole basic size on end face is identical with the round boss size of the servo motor, institute
It states and is respectively arranged with rolling bearing on the through-hole of the right side of front support frame (2) right side and the rear support frame (10) with support rotating
Axis.
Further, it is fastened using the second axis with linear support (12) between the transmission shaft and the load block
Connection.
Further, the load block is the intermediate discoid part for being equipped with through-hole, and the end face of the discoid part is equal
Two counter sinks of cloth and two threaded holes are fastenedly connected between the load block by screw.
The technical solution adopted in the present invention is as follows:
A kind of adjustable clearance experiment porch specifically includes pedestal, support frame, servo motor (containing driver), adjustable clearance
Link, optical axis and load block.Pedestal is one piece of cuboid block for being equipped with tapped through hole array, primarily serves and provides for experiment porch
The effect of the roomy plane of high rigidity, while having absorbing effect concurrently；Two pieces of support frames are the U-shaped framves that hole is got through at both ends, and specification is slightly
Difference.One of one end face of support frame is used to support servo motor, and other end is used to install bearing support optical axis；In addition
Support frame is then only used to support optical axis.Servo motor major function is to provide power source for experiment porch.Gap link is by three
Part composition, their major functions are that adjustable angular clearances are provided for experiment porch.Optical axis major function is that transmitting is dynamic
Power is to load.Load block is the disk of central punch, and major function is to allow the load inertia ratio of servo-system very big
It is adjusted in range.
The cuboid block is placed on smooth ground or desktop, is fixed by frictional force, without special fastening dress
It sets.
Support frame as described above, bottom surface are beaten there are four counter sink corresponding with whorl of base pore size.It is used to support servo electricity
The support frame end face of machine is other than being equipped with through-hole, and through-hole surrounding is also evenly distributed with four tapped through holes, other support frame end faces are without this
Feature；In addition, the round boss size on the clear size of opening and servo motor that are used to support on the support frame end face of servo motor
It is corresponding, and other support frame end face through-holes are corresponding with rolling bearing size to be mounted.Support frame as described above bottom surface and pedestal
Upper surface fitting is connected fastening with screw by four counter sinks of support frame with pedestal.
The servo motor shaft is vertical with the wherein end face outside of a support frame, and servo motor end face is affixed with the end face
It closes, the via clearance on servo motor round boss and the end face cooperates.There are through-hole, corresponding support in the angle of servo motor end face four
There is corresponding tapped through hole in frame end face, and servo motor and the support frame are fastenedly connected by screw.
There are three parts altogether for the adjustable clearance link.One of part has for rotary table protrudes limited block, in rotary table
Centre is equipped with through-hole and is provided with keyway, and the characteristic size in the basic size and servo motor of hole and keyway is corresponding.Protrusion limit
Block is at symmetrical fan-shaped block and concentric with rotary table, and fan-shaped block outer diameter basic size is identical with rotary table outer diameter basic size.This zero
Part and servo motor shaft are also sequentially completed and axially fasten at interference fit.Second part is symmetrical fan-shaped, and centre is to be equipped with
The small rotary table of through-hole, fan-shaped edge have that thin-walled is raised, are equipped with threaded hole on thin-walled, the basic size of thin-walled internal diameter and first zero
The basic size of part rotary table is identical.The part is completed to position with first part by hole face mode, by thin-walled threaded hole
Holding screw realization is packed into be fastenedly connected.Third part is similar with first part shape, unlike its two sides have it is convex
It rises to beat threaded hole, in addition its intermediate throughholes do not spline, and the basic size in hole is identical with optical axis outer diameter basic size, and
Clearance fit is formed with optical axis.The part first passes through screw and is connected with axis with linear support (SHF), then passes through SHF and optical axis
Completion is fastenedly connected.On the other hand, the fan-shaped protrusion on the part rotary table be just inserted into the middle of the sky of both of the aforesaid part from
And form adjustable gap.
The optical axis is a cylindric long stick.One end connect with third gap part by SHF, one end pass through SHF with
Load block connection, centre are supported by being mounted on the rolling bearing of support frame.
The load block is in the form of annular discs, and centre is equipped with through-hole, the basic size and optical axis outer diameter basic size of through-hole internal diameter
Identical, through-hole and optical axis are clearance fit.Disk end face is evenly distributed with two symmetrical counter sinks and the corresponding screw thread of two sizes
Hole, two counter sink center carpenters squares cun are corresponding with the installation dimension of SHF.
Gap size is rapidly adjusted the invention has the advantages that can be convenient, servo system can be changed on a large scale
The load inertia ratio of system.In addition, the present invention uses electric-machine directly-driven mode, avoid introducing additional clearance.The present invention is research gap
Influence of the size to servo-system movenent performance provides solid experiment condition, while being also verifying gap discrimination and compensation
The correctness of algorithm provides good hardware supported.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the normal axomometric drawing of the overall plan of a preferred embodiment of the invention；
Fig. 2 is the main view with broken section of the overall plan of a preferred embodiment of the invention；
Fig. 3 is the top view of the overall plan of a preferred embodiment of the invention；
Fig. 4 is the right view of the overall plan of a preferred embodiment of the invention；
Fig. 5 is the normal axomometric drawing of the adjustable clearance link of a preferred embodiment of the invention；
1. pedestal in figure, 2. front support frames, 3. servo motors (contain driver, be not drawn into figure), 4. motor sides connection zero
Part, 5. gaps adjust part, and 6. optical axis side union pieces, 7. first axles are with linear support (SHF), 8. rolling bearings, 9. optical axises,
10. rear support frame, 11. rolling bearings, 12. second axis linear support (SHF), 13. load blocks (only one piece of signal in figure).
Specific embodiment
As shown in Figure 1, cuboid pedestal (1) is placed on ground grading or desktop, front support frame (2) and rear support frame (10)
It is mounted on pedestal (1), servo motor (3) is mounted on the left side of front support frame, and motor side union piece (4) is mounted directly
In the shaft of servo motor, gap adjustment part (5) is socketed on motor side union piece (4), and is clenched by clamp screw
Gu optical axis side union piece (6) is socketed on optical axis (9) by first axle with linear support (7), optical axis (9) other end passes through
Second axis is socket-connected with linear support (12) and load block (13), and optical axis (9) passes through rolling bearing (8) and the linear branch of the second axis
Support (12) is mounted on front support frame (2) and rear support frame (10).
As shown in Fig. 2, the round boss of servo motor (3) and the through-hole of front support frame (2) left side are clearance fit,
Front support frame (2) right side and rear support frame (10) right side are equipped with rolling bearing to support optical axis (9), and a left side for rear support frame
End face is not installed by rolling bearing；Servo motor (3), optical axis (9) and front support frame (2) and rear support frame will keep good coaxial
Degree, during practical set, can allow servo motor to rotate listening to adjust each part position, noise is smaller, together
Axis degree is better, load block and optical axis be clearance fit to prevent load block from installing when center of gravity have biasing and system caused to be vibrated
Phenomenon.
As shown in figure 3, front support frame (2) and rear support frame (10) bottom surface are beaten, there are four counter sinks, and use soket head cap screw
It is fastenedly connected with pedestal；The advantage of doing so is that the relative position of front support frame (2) Yu rear support frame (10) can be adjusted,
To make the through-hole of left and right end face on the support frame of front and back reach good concentricity.
Shown in Fig. 4, load block (13) is the discoid part (only one piece of signal in figure) that muti-piece center is equipped with through-hole,
The uniformly distributed symmetrical counter sink of person two and two symmetrical threaded holes on end face；Load number of blocks can be increased and decreased in actual use to adjust
Whole load inertia ratio, the counter sink of two adjacent load blocks aligns with threaded hole, and is fastenedly connected with screw.
As shown in figure 5, gap link includes three parts, it is from left to right followed successively by motor side union piece (4), gap tune
Whole part (5) and optical axis side union piece (6)；Wherein motor side union piece (4) is the rotary table that limited block is protruded with fan-shaped,
Rotary table center is equipped with through-hole and is provided with keyway；It is in symmetrical fan-shaped that gap, which adjusts part (5), and centre is the roundlet for being equipped with through-hole
Platform, fan-shaped edge have thin-walled raised, and thin-walled surrounding is equipped with tapped through hole；Optical axis side union piece (6) and motor side union piece
Shape is similar, the difference is that its two sides have more two " ears " to beat threaded hole, in addition its intermediate throughholes do not spline；
Gap adjusts part (5) and uses hole face positioning method relative to motor side union piece (4), radial to be fixed using holding screw,
Fan-shaped boss insertion motor side union piece (4) of optical axis side union piece (6) and gap adjustment part (5) are formed by space
In to form gap, gap size adjusts part (5) by running clearance to adjust.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (3)
1. a kind of adjustable clearance experiment porch, including servo motor, gap link, transmission shaft and load block, the servo motor
On the support frame, support frame as described above is mounted on the base, and the load block is sleeved on the transmission shaft, and feature exists for installation
In the gap link is directly connected to the shaft of the transmission shaft Yu the servo motor；
The gap link uses angular clearances, adjustable；
The transmission shaft uses optical axis；
The load block uses the load of one or more identical size；
The gap link is made of motor side union piece (4), gap adjustment part (5), optical axis side union piece (6),
In, gap adjustment part (5) uses hole face positioning method relative to the motor side union piece (4), radial using tight
Determine screw to fix, the fan-shaped boss of the optical axis side union piece (6) is inserted into the motor side union piece (4) and the gap
Adjustment part (5) is formed by space to form gap, and the size in the gap adjusts part by rotating the gap
(5) it adjusts；
Support frame as described above includes front support frame (2) and rear support frame (10), the front support frame (2) and the rear support frame (10)
The U-shaped frame in hole is got through for both ends of the surface, contact surface is also evenly distributed with four wherein the front support frame (2) is connected with the servo motor
Threaded hole, the through-hole basic size on end face is identical with the round boss size of the servo motor, and the front support frame (2) is right
Rolling bearing is respectively arranged on the through-hole of the right side of end face and the rear support frame (10) with support rotating axis；
The pedestal is set as one piece of cuboid block for being equipped with tapped through hole array；
The optical axis side union piece (6) is fastenedly connected by first axle linear support (7) and rotation axis completion；
It is fastenedly connected using the second axis with linear support (12) between the transmission shaft and the load block.
2. adjustable clearance experiment porch as described in claim 1, which is characterized in that the servo motor by interference fit and
Flat key mode is connected with the motor side union piece (4).
3. adjustable clearance experiment porch as described in claim 1, which is characterized in that the load block is that centre is equipped with through-hole
Discoid part, the end face of the discoid part are evenly distributed with two counter sinks and two threaded holes, pass through between the load block
Screw is fastenedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060505.6A CN105606361B (en) | 2016-01-28 | 2016-01-28 | Adjustable clearance experiment porch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060505.6A CN105606361B (en) | 2016-01-28 | 2016-01-28 | Adjustable clearance experiment porch |
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| CN105606361A CN105606361A (en) | 2016-05-25 |
| CN105606361B true CN105606361B (en) | 2019-02-19 |
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| CN201610060505.6A Active CN105606361B (en) | 2016-01-28 | 2016-01-28 | Adjustable clearance experiment porch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108033036B (en) * | 2017-11-29 | 2021-03-12 | 中国航空工业集团公司西安飞机设计研究所 | Full-motion horizontal tail flutter model rotating gap simulation device |
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| CN102507120A (en) * | 2011-11-18 | 2012-06-20 | 上海交通大学 | Generator rotor unbalance magnetic tension testing bench supported by sliding bearings |
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| CN204373635U (en) * | 2015-01-19 | 2015-06-03 | 儒拉玛特自动化技术(苏州)有限公司 | Spindle nut tolerance clearance automatic detecting structure |
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| JPH09159426A (en) * | 1995-12-08 | 1997-06-20 | Saginomiya Seisakusho Inc | Wheel alignment measuring apparatus for vehicle |
| JP3517558B2 (en) * | 1996-09-30 | 2004-04-12 | キヤノン株式会社 | Drive control device, sheet feeding device, and image forming device |
| JP5482699B2 (en) * | 2011-03-16 | 2014-05-07 | トヨタ自動車株式会社 | Reduction gear abnormality diagnosis device and reduction gear abnormality diagnosis method |
| CN103837342B (en) * | 2014-03-07 | 2016-06-08 | 北京林业大学 | A kind of nonlinear gear system vibrating failure diagnosis experiment porch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202795Y (en) * | 2008-03-07 | 2009-03-04 | 上海冲剪机床厂 | Double-drive servo motor gear tooth side gap adjusting mechanism for laser cutting machine |
| CN102507120A (en) * | 2011-11-18 | 2012-06-20 | 上海交通大学 | Generator rotor unbalance magnetic tension testing bench supported by sliding bearings |
| CN102495241A (en) * | 2011-12-16 | 2012-06-13 | 哈尔滨工业大学 | Simulation device of transmission clearance of servo system |
| CN203679412U (en) * | 2014-01-22 | 2014-07-02 | 中国重型机械研究院股份公司 | Lateral clearance adjusting mechanism for high-precision circle shear |
| CN204142563U (en) * | 2014-11-04 | 2015-02-04 | 济南东测试验机技术有限公司 | Grip of testing machine axiality adjusting device |
| CN204373635U (en) * | 2015-01-19 | 2015-06-03 | 儒拉玛特自动化技术(苏州)有限公司 | Spindle nut tolerance clearance automatic detecting structure |
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