CN106404391A - Worm wheel and worm driving system driving return difference measuring device - Google Patents
Worm wheel and worm driving system driving return difference measuring device Download PDFInfo
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- CN106404391A CN106404391A CN201611029207.7A CN201611029207A CN106404391A CN 106404391 A CN106404391 A CN 106404391A CN 201611029207 A CN201611029207 A CN 201611029207A CN 106404391 A CN106404391 A CN 106404391A
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- worm
- return difference
- worm wheel
- rotary transformer
- worm gear
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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
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention discloses a worm wheel and worm driving system driving return difference measuring device. A rotary transformer is supported through a rotary transformer support, a connecting mechanism is connected with the rotary transformer and a worm wheel, the rotary transformer measures the rotation angle of the worm wheel to be detected, and a controller calculates the driving return difference of the worm wheel according to the rotation angle of the worm wheel to be detected. The device can not only be used for measuring the driving return difference of a worm wheel and worm driving system, but can also be used for measuring the shafting driving return difference of gear drive and the like. The worm wheel and worm driving system driving return difference measuring device provided by the invention utilizes a self-locking characteristic of worm wheel and worm driving, does not need to fix a worm, measures the worm wheel and worm driving return difference by measurement of the rotation angle of the worm wheel, the operation is simple, the cost is relatively low, an error is relatively small, and the measurement precision is relatively high.
Description
Technical field
The present invention relates to drive system transmission return difference field of measuring technique is and in particular to a kind of Worm Wheel System system passes
Dynamic return difference measurement apparatus.
Background technology
The domestic transmission return difference research for Worm Wheel System system is less, existing drive system return difference measurement apparatus
It is both for gear train assembly, or the transmission return difference that gear-box integrally inputs and exports, seldom have and pass for worm and gear
The transmission return difference measurement apparatus of dynamic system.
Currently for the return difference measurement of Worm Wheel System system, general employing inserts paper disk method or theodolite method.The slotting scraps of paper
Method is to insert backlash using certain thickness paper or other media, and by test is repeated several times, statistics can pass through between cog
The thickness of the paper (or other media) of sideshake draws assembly average, and this kind of method is firmly extracting between cog side due to media such as paper
After gap, due to being no longer squeezed, thickness change, so be difficult to accurately measure the turn error being reflected of backlash, in addition
Easily galled by paper slip, need relatively multiple measurement to carry out the restrictive condition such as counting, this method is unsatisfactory.In addition, adopting
Theodolite method can only be measured by way of rotary worm by fixing worm gear, and this method has fixing worm gear inconvenience, longitude and latitude
Instrument is expensive, worm screw rotational angle range is larger and leads to the larger problem of measurement error.
Therefore, need badly and a kind of will measure the Worm Wheel System drive system convenient, cost is relatively low and certainty of measurement is high
Return difference measurement apparatus.
Content of the invention
Technical problem
In view of this, the embodiment of the present invention provides Worm Wheel System drive system return difference measurement apparatus, solves in measurement
During Worm Wheel System drive system return difference, current measuring method has that certainty of measurement is low, measurement is convenient and measure dress
Be set to this very high the problems such as.
According to an aspect of the present invention, a kind of Worm Wheel System drive system return difference measurement apparatus, this dress are disclosed
Put including：
Rotary transformer, for measuring the anglec of rotation of worm gear to be detected；
Rotary transformer support, for supporting described rotary transformer；
Bindiny mechanism, for connecting described rotary transformer and described worm gear；
Controller, calculates the transmission return difference of described worm gear for the anglec of rotation according to described worm gear to be detected.
Wherein in an embodiment, base lower plate that described rotary transformer support includes being sequentially connected, base upper plate,
Base flange, threaded rod, positive and negative screw-thread sleeve, cantilever beam, double flange；Wherein, described positive and negative screw-thread sleeve one end is
Right-handed thread, the other end be left hand thread, described threaded rod by left-handed (dextrorotation) threaded positive and negative screw-thread sleeve lower end,
Described positive and negative screw-thread sleeve upper end is by the threaded cantilever beam of described dextrorotation (left-handed).
Wherein in an embodiment, described base upper plate and base lower plate are connected by screw, and described screw passes through institute
State the rotation slot on base upper plate and be installed to described base lower plate；
Described base upper plate is rotatably connected with described base lower plate by described rotation slot.
Wherein in an embodiment, described base upper plate rotational angle is 0-90 degree；And/or
Described the number of screws is 4；And/or
Described rotation slot is arcuate groove.
Wherein in an embodiment, described threaded rod passes through to rotate the nut described base flange of connection；And/or
Described threaded rod is adjustable height threaded rod；And/or
Rotation between described positive and negative screw-thread sleeve is additionally operable to by described threaded rod adjusts described rotary transformer
The height of support.
Wherein in an embodiment, described cantilever beam is 90 degree of bending weldments, and one end is provided with rotating external threads simultaneously
By rotation and described positive and negative screw-thread sleeve connection, the cross recess legislation that the other end is provided with for positioning is blue.
Wherein in an embodiment, the raised legislation of cross that the described pair of flange one end is provided with for positioning is blue, for
The blue cooperation of cross recess legislation of described cantilever beam, rotatable with described cantilever beam 90 degree are located by connecting.
Wherein in an embodiment, described bindiny mechanism includes：
Optical axis, connects described rotary transformer；
Square tube, connects described optical axis, for connecting described worm gear.
Wherein in an embodiment, described bindiny mechanism also includes：
Shaft coupling, connects described rotary transformer and described optical axis, for compensating in described rotary transformer preset range
Radial direction, angular, axial deviation.
Wherein in an embodiment, described controller calculates described worm gear according to the anglec of rotation of described worm gear to be detected
Transmission return difference, be that passive disturbance idle running is calculated according to the anglec of rotation of described worm gear to be detected,
Disturbance idle running is L, and the angle that worm gear compensates is α, and reference circle of wormwheel radius is R, and worm screw helical pitch is PZ, worm screw compensation
Idle angular is β, and the modulus of worm gear and worm screw is m, and number of threads is Z1；Wherein, L=α R, L=Pz/ β, Pz=π m
z1；
Calculate β=Pz/ (α R)=(π m z1)/(α·R).
Using technique scheme, the present invention at least can obtain following technique effects：A kind of Worm Wheel System of the present invention
Drive system return difference measurement apparatus, by rotary transformer support support rotary transformer, bindiny mechanism connect rotary transformer and
Worm gear, rotary transformer measures the anglec of rotation of worm gear to be detected, and controller is according to the anglec of rotation meter of described worm gear to be detected
Calculate the transmission return difference of described worm gear.Rotary transformer support has rotation and elevating function, and rotary transformer connects Worm gear mechanism
There is elimination radial direction, angular, axial deviation function.This device can be not only used for measuring turbine and worm drive system transmission return difference
Measurement, can be also used for prototype gear transmission etc. shafting be driven return difference measurement.The present invention utilizes oneself of Worm Wheel System
Lock characteristic, need not fix worm screw, and the angle of revolution using measurement worm gear to measure Worm Wheel System return difference, simple to operate, becomes
This is relatively low, and error is less, certainty of measurement is higher.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment of the present invention description
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be implemented according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the Worm Wheel System drive system return difference measurement apparatus module map described in one embodiment of the invention；
Fig. 2 is Worm Wheel System drive system return difference measurement apparatus schematic diagram described in one embodiment of the invention；
Fig. 3 is that one embodiment of the invention base lower plate is rotatably connected with base upper plate schematic diagram；
Fig. 4 is that during one embodiment of the invention turbine end face level, Worm Wheel System drive system return difference measurement apparatus are illustrated
Figure；
Fig. 5 is described Worm Wheel System drive system return difference measurement apparatus when one embodiment of the invention turbine end face is vertical
Schematic diagram.
Run through accompanying drawing it should be noted that similar label is used for describing same or analogous element, feature and structure.
Specific embodiment
Description referring to the drawings is provided to help the disclosure that comprehensive understanding is limited by claim and its equivalent
Various embodiments.Hereinafter description includes the various details helping understand, but these details will be considered to be only example
Property.Therefore, it will be appreciated by those of ordinary skill in the art that without departing from the scope of the present disclosure and spirit in the case of, can be right
Various embodiments described herein makes various changes and modifications.In addition, in order to clear and succinct, the retouching of known function and construction
State and can be omitted.
Term used in following description and claims and vocabulary are not limited to document implication, but only by inventor
It is used for so that the disclosure clearly and is as one man understood.Therefore, to those skilled in the art it should be apparent that carrying
Description for following various embodiments of this disclosure merely to exemplary purpose, and unrestricted by claims and its
The purpose of the disclosure that equivalent limits.
It should be understood that unless in addition context clearly indicates, otherwise singulative also includes plural.Thus, for example,
Quoting of " assembly surface " is quoted including to one or more such surfaces.
It is specifically addressed explanation according to Fig. 1-5 pair of embodiment of the present invention below.
Fig. 1 is the Worm Wheel System drive system return difference measurement apparatus module map described in one embodiment of the invention.
Fig. 2 is Worm Wheel System drive system return difference measurement apparatus schematic diagram described in one embodiment of the invention.
Fig. 3 is that one embodiment of the invention base lower plate is rotatably connected with base upper plate schematic diagram.
Fig. 4 is that during one embodiment of the invention turbine end face level, Worm Wheel System drive system return difference measurement apparatus are illustrated
Figure.
Fig. 5 is described Worm Wheel System drive system return difference measurement apparatus when one embodiment of the invention turbine end face is vertical
Schematic diagram.
With reference to Fig. 1, a kind of Worm Wheel System drive system return difference measurement apparatus 100 described in the present embodiment, this device
100 include：Rotary transformer support 120, rotary transformer 140 and bindiny mechanism 160.Rotary transformer, to be checked for measuring
Survey the anglec of rotation of worm gear；
The present invention relates to a kind of Worm Wheel System drive system return difference measurement apparatus 100, by rotary transformer support
120, rotary transformer 140, bindiny mechanism 160 connects rotary transformer 140 and worm gear 200, and rotary transformer 140 measures to be checked
Survey the anglec of rotation of worm gear 200, controller 180 returns according to the transmission that the anglec of rotation of worm gear 200 to be detected calculates worm gear 200
Difference.This device 100 can be not only used for measuring the measurement that turbine and worm drive system is driven return difference, can be also used for prototype gear
The shaftings such as transmission are driven the measurement of return difference.The present invention utilizes the latching characteristics of Worm Wheel System, need not fix worm screw, using survey
Measuring Worm Wheel System return difference, simple to operate, cost is relatively low for the angle of revolution of amount worm gear, error is less, certainty of measurement more
High.
With reference to Fig. 2, wherein, in another embodiment, above-mentioned rotary transformer support can include the base being sequentially connected
Lower plate 1, base upper plate 2, base flange 3, threaded rod 4, positive and negative screw-thread sleeve 5, cantilever beam 6 and double flange 7.Wherein, institute
State threaded rod 4 and be threaded connection positive and negative screw-thread sleeve 5, positive and negative screw-thread sleeve 5 one end is right-handed thread, the other end is a left side
Rotation screw thread, positive and negative screw-thread sleeve 5 passes through right-handed thread or left hand thread connecting cantilever cross bar 6.As such, it is possible to by rotation just
Anti- screw-thread sleeve 5 adjusts the height of Worm Wheel System drive system return difference measurement apparatus 100.
Wherein, base upper plate 1 and base lower plate 2 pass through screw, and in figure show B1 and connects.And, with reference to Fig. 3, screw
B1 is installed to described base lower plate 1 by the rotation slot on described base upper plate 2.So, described base upper plate passes through described turn
Dynamic groove is rotated with described base lower plate and is connected, and rotary transformer support can have rotating function.
Wherein, the rotary angle of above-mentioned base upper plate 2 is 0-90 degree.
And, the number of above-mentioned screw B1 can be 4.Wherein, above-mentioned rotation slot can be arcuate groove or existing skill
In art, other can form the groove of rotation.
Wherein, threaded rod 4 passes through to rotate nut B4 connect base flange 3.Threaded rod 4 can be adjustable height screw thread
Bar, or measure the height of worm gear as needed respectively using the threaded rod 4 of differing heights.
Wherein, the rotation between positive and negative screw-thread sleeve 5 is additionally operable to by threaded rod 4 adjusts described rotary transformer and props up
The height of frame.
Specifically, above-mentioned cantilever beam 6 is 90 degree of bending weldments, and one end is provided with rotating external threads and by rotation and institute
State positive and negative screw-thread sleeve 5 to connect, the cross recess legislation that the other end is provided with for positioning is blue.
Accordingly, the raised legislation of cross that double flange 7 one end are provided with for positioning is blue, for described cantilever beam 6
The blue cooperation of cross recess legislation, rotatable with cantilever beam 6 90 degree are located by connecting.
Reference Fig. 4 and Fig. 5, respectively double flanges 7 and the rotatable 90 degree of schematic diagrams being located by connecting of cantilever beam 6, wherein,
Fig. 4 is Worm Wheel System drive system return difference measurement apparatus schematic diagram during turbine end face level, when Fig. 5 is that turbine end face is vertical
Described Worm Wheel System drive system return difference measurement apparatus schematic diagram.
Wherein, above-mentioned bindiny mechanism includes optical axis 10 and square tube 11.Rotary transformer 8 described in optical axis 10, square tube 11 connects
Optical axis 10, not worm gear (figure is not marked) for connecting.
Further, with reference to Fig. 2, described bindiny mechanism also includes shaft coupling 9.Shaft coupling 9 connects rotary transformer 8 and institute
State optical axis 10, for compensating the radial direction in described rotary transformer 8 preset range, angular, axial deviation.Wherein, according to rotation
Transformator 8 determines preset range.This preset range can be formulated according to the judgement of the requirement to rotary transformer 8 performance at present.
Wherein, shaft coupling 9 is MF type run-in index flexible clutch.
Controller calculates the transmission return difference of described worm gear according to the anglec of rotation of described worm gear to be detected, is to be treated according to described
The anglec of rotation of detection worm gear calculates passive disturbance idle running,
Disturbance idle running is L, and the angle that worm gear compensates is α, and reference circle of wormwheel radius is R, and worm screw helical pitch is PZ, worm screw compensation
Idle angular is β, and the modulus of worm gear and worm screw is m, and number of threads is Z1；Wherein, L=α R, L=Pz/ β, Pz=π m
z1；
Calculate β=Pz/ (α R)=(π m z1)/(α·R).
With embodiment illustrated in fig. 2, the present invention is specifically described below.
Rotary transformer is the signal element that a kind of output voltage changes with angle of rotor.When Exciting Windings for Transverse Differential Protection is with certain frequency
Alternating voltage excitation when, the voltage magnitude of output winding becomes sine, cosine function relationship with angle of rotor, or is kept into a certain
Proportionate relationship, or linear with corner in certain angle range.Rotary transformer, according to the difference to number of poles, has not
Same precision.If with rotary transformer measure worm screw rotational angle, range of error can ratio larger, so be more suitable for measure snail
The rotational angle of wheel., relative to theodolite, price is relatively low for rotary transformer.Because of required precision, this kind of measuring method should select multipole
Two speed resolver.
With reference to Fig. 2, rotary transformer support is by base lower plate (1), base upper plate (2), base flange (3), threaded rod
(4), positive and negative screw-thread sleeve (5), cantilever beam (6), double flange (7) composition.Base flange (3) and base lower plate (1), base
Upper plate (2) uses mode connects for screw.Wherein base upper plate (2) has four arcuate grooves, can unscrew under state at screw (B1), on base
Plate (2) can be rotated around base lower plate (1) circular hole, due to the presence of screw (B1) and arcuate groove, bottom by middle part cylindrical projection
Seat upper plate (2) can rotate 90 ° with respect thereto lower plate (1), makes base lower plate (1) be completely hidden in base upper plate (2) below, section
Save space, collection of being more convenient for carries, as shown in Figure 3.Threaded rod (4) two ends screw in base flange (3) and positive and negative screw thread respectively
Jacket cylinder (5) lower end, and lock relative position with right-handed nut (B4).Positive and negative screw-thread sleeve (5) lower end is dextrorotation female thread,
Upper end is levogyrate inner thread.Cantilever beam (6) and positive and negative screw-thread sleeve (5) upper end connection screw thread are left hand thread, and with a left side
Spin nut (B5) locks relative position.Cantilever beam (6) is 90 ° of bending weldments, and cantilever beam (6) one end is left-handed outer spiral shell
Stricture of vagina, screws in the left-handed pipe screw thread in positive and negative screw-thread sleeve (5) upper end, and locks relative position with nut (B5).Cantilever beam (6)
The other end be welded with band " cross recess " legislation blue.Double flange (7) one end are that the legislation of " cross is raised " with positioning action is blue,
The other end is horizontal flange.The legislation of the blue band " cross recess " with cantilever beam (6) of legislation of " cross is raised " of double flanges (7)
Blue cooperation, and can 90 ° of times of angles relatively rotate after still can location fit, fastened using 4 screws (B6) after positioning.When measurement level
Or vertical place worm gear when, only need 90 ° of times of angles to rotate the relative position of double flanges (7) and cantilever beam (6).When worm gear end face
During level, the assembling of Worm Wheel System drive system return difference measurement apparatus is as shown in Figure 4；When worm gear end face vertical, worm gear snail
The transmission return difference measurement apparatus assembling of bar drive system is as shown in Figure 5.
Rotary transformer connects Worm gear mechanism by rotary transformer (8), MF type run-in index flexible clutch (9), optical axis
(10), square tube (11) and worm gear composition.The horizontal flange end of double flanges (7) and rotary transformer (8) shell (also referred to as stator)
Flange hole mode connects for screw.The input shaft (also referred to as rotor) of rotary transformer (8) and MF type run-in index flexible clutch (9) one end
Hold out against connection with screw (B8), MF type run-in index flexible clutch (9) other end is pushed up with screw (B8) with one end of optical axis (10)
It is close to and connect.The other end of optical axis (10) is connected with being held out against with screw (B9) in the middle part of square tube (11).Square tube (11) two ends have for wearing
Cross the through hole of screw, square tube (11) is bolted connection with worm gear.When measuring different size of worm gear, change different long
The square tube of degree.
In order to adapt to measure the worm gear of differing heights position in the future in the present invention, threaded rod (4) is designed as replaceable side
Formula, the worm gear for higher position just changes longer threaded rod.For this reason, being provided with base flange (3), in its flanged pipe
There is screw thread, for helping threaded rod (4) to be smoothly screwed into, the position exposing base flange (3) in threaded rod (4) mills out a pair of planar,
Convenient wrench clamping applies moment of torsion, and fastens the relative position of locking screw rasp bar (4) and base flange (3) using right-handed nut (B4)
Put, then by rotating the height of positive and negative screw-thread sleeve (5) adjusting bracket, as shown in Figure 2.
Present invention advantage compared with prior art is：
(1) compare slotting paper disk method, measurement result is more accurate, and measurement process is more easy to operate.
(2) utilize the self-lock mechanism of worm and gear, worm screw need not be fixed, be directly connected to worm gear, easy to use and reliable.
(3) the transmission return difference of differing heights, worm gear in the range of certain diameter can be measured.
(4) pass through the worm gear that rotation legislation orchid can measure end face horizontal positioned, also can measure the snail of end face vertical placement
Wheel.
(5) the MF run-in index flexible clutch that the present invention adopts is integrally formed metallic elastic shaft coupling, clockwise with
Turning anticlockwise characteristic is identical, has zero gyration aperture, and good radial direction, angular, axial deviation compensate performance.So that this
Invention more convenient operation, measurement result is more reliable.
(6) rotary transformer of corresponding certainty of measurement needed for the accuracy selection according to needed for measurement return difference.As selected Xi'an
The lighter weight of micro electronmechanical institute, the 64 of the small volume 160XFS6421M rotary transformers to pole, this is an assembled
Rotary transformer, with respect to separate loading rotary transformer, install more convenient.
(7) can be not only used for measuring the measurement that turbine and worm drive system is driven return difference, can be driven with prototype gear
It is driven the measurement of return difference etc. shafting.
Below the using method of embodiment illustrated in fig. 2 device is specifically described.
When using apparatus of the present invention, first operating mode is placed according to worm gear and select rotary transformer support mounting means, when
Worm gear axis straight up, using mounting means shown in Fig. 4；When worm gear axis horizontal positioned, using mounting means shown in Fig. 5.
Due to the latching characteristics of the worm and gear that the present invention utilizes, so worm screw need not be fixed during measurement return difference.
During installation, first square tube (11) is connected by the via at two ends and worm gear, then by Worm Wheel System system
Optical axis (10) is substantially moved to square tube by transmission return difference measurement apparatus by mobile base with by way of rotating cantilever beam (6)
(11) top of interstitial hole, needs certain counterweight upper to base pressure afterwards, prevents misoperation touching from toppling over.Then pass through rotation
The height of positive and negative screw-thread sleeve (5) adjusting bracket, until after optical axis (10) is inserted into the interstitial hole of square tube (11), use dextrorotation spiral shell
Female B4 and left-handed B5 locks the position of positive and negative screw-thread sleeve (5), and the screwed hole side of holding out against by square tube side with screw B9
Pipe (11) in optical axis (10) it is ensured that square tube (11) and optical axis (10) relative position is fixed all the time.In addition, according to MF type run-in index
The characteristic of flexible clutch (9), it can compensate a range of radial direction, angular, axial deviation, so when optical axis (10) and
When rotary transformer (8) is coaxial in the range of MF type run-in index flexible clutch (9) limits, does not still affect to use, make
Obtain more convenient operation of the present invention.
After the measurement of Worm Wheel System drive system return difference is connected with worm gear, manual toggle worm gear wheel.Due to snail
The presence of the backlash of worm and gear, gear can drive square tube (11), optical axis (10), MF type run-in index shaft coupling (9) and rotation
Input shaft (also referred to as rotor) rotation of transformator (8), rotary transformer (8) will be rotated with worm gear under voltage signal curve record
Angle.Pass through analysis voltage signal curve again, voltage signal is converted to return difference angle.The meaning of angle measurement exists herein
In measured directly is the equipment angle of revolution that Partner disturbance causes, and is reflected in antenna bearingt slew gear it is simply that antenna
The passive disturbance in orientation idle running L.The angle of revolution α being measured with this is being led it is also possible to instead release power intake (worm shaft)
The angle value β of idle running is needed during dynamic driving.
If disturbance idle running is L；The angle that worm gear compensates is needed to be α；Reference circle of wormwheel radius is R；Worm screw helical pitch is PZ；Snail
It is β that bar compensates idle angular；The modulus of worm gear and worm screw is m；Number of threads is Z1.Then：L=α R, L=Pz/ β, Pz=π
m·z1；
So power intake (worm shaft) needs the angle value β dallying in active drive, and then to be repaired with this value
The angle compensation of motor and lead：
β=Pz/ (α R)=(π m z1)/(α·R)
The worm gear placed for measurement end face vertical, only need to tighten bolt (B6) after rotating 90 ° when installing double flange again
?.
This Worm Wheel System drive system return difference measurement apparatus are also applied for the shafting drive system such as gear train assembly
Transmission return difference measurement, only need to fix to one of gear, another gear is connected with the input shaft of rotary transformer (8), its
Remaining specific embodiment is identical with Worm Wheel System system return difference measurement.
It should be noted that the various embodiments of the disclosure as above are generally related to input data to a certain extent
Process and output data generation.This input data is processed and output data generate can be in hardware or soft with combination of hardware
Realize in part.For example, can in mobile device or similar or related circuit adopt specific electronic components for realize with
The function of the various embodiment associations of the disclosure as mentioned above.Alternatively, to operate according to the instruction that stored one or more
Multiple processors can achieve the function of associating with the various embodiments of the disclosure as described above.If it is, then these instructions
Can be stored on one or more non-transitory processor readable mediums, this is in the scope of the present disclosure.Processor can
The example reading medium includes read only memory (ROM), random access memory (RAM), CD-ROM, tape, floppy disk and optics number
According to storage device.In addition, can be by disclosure art for realizing functional computer program, instruction and the instruction segment of the disclosure
Programmer easily explain.
Although the various embodiments with reference to the disclosure illustrate and describe the disclosure, those skilled in the art will manage
Solution, in the case of without departing from the spirit and scope of the present disclosure being defined by the appended claims and the equivalents thereof, can enter to it
Various changes in row form and details.
Claims (10)
1. a kind of Worm Wheel System drive system return difference measurement apparatus are it is characterised in that include：
Rotary transformer, for measuring the anglec of rotation of worm gear to be detected；
Rotary transformer support, for supporting described rotary transformer；
Bindiny mechanism, for connecting described rotary transformer and described worm gear；
Controller, calculates the transmission return difference of described worm gear for the anglec of rotation according to described worm gear to be detected.
2. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 1 are it is characterised in that described rotation becomes
Base lower plate that depressor support includes being sequentially connected, base upper plate, base flange, threaded rod, positive and negative screw-thread sleeve, cantilever are horizontal
Bar, double flange；Wherein, described positive and negative screw-thread sleeve one end is right-handed thread, and the other end is left hand thread, and described threaded rod leads to
Cross left-handed (dextrorotation) threaded positive and negative screw-thread sleeve lower end, described positive and negative screw-thread sleeve upper end is (left by described dextrorotation
Rotation) threaded cantilever beam.
3. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 2 are it is characterised in that on described base
Plate and base lower plate are connected by screw, and described screw is installed under described base by the rotation slot on described base upper plate
Plate；
Described base upper plate is rotated with described base lower plate by described rotation slot and is connected.
4. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 3 are it is characterised in that on described base
Plate rotational angle is 0-90 degree；And/or
Described the number of screws is 4；And/or
Described rotation slot is arcuate groove.
5. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 2 are it is characterised in that described threaded rod
Connect described base flange by rotating nut；And/or
Described threaded rod is adjustable height threaded rod；And/or
Rotation between described positive and negative screw-thread sleeve is additionally operable to by described threaded rod adjusts described rotary transformer support
Height.
6. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 2 are it is characterised in that described cantilever is horizontal
Bar is 90 degree of bending weldments, and one end is provided with rotating external threads and by rotation and described positive and negative screw-thread sleeve connection, another
The cross recess legislation that end is provided with for positioning is blue.
7. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 6 are it is characterised in that described pair of flange
The raised legislation of cross that one end is provided with for positioning is blue, for the blue cooperation of cross recess legislation with described cantilever beam, and described
Rotatable 90 degree of cantilever beam is located by connecting.
8. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 1 are it is characterised in that described connection machine
Structure includes：
Optical axis, connects described rotary transformer；
Square tube, connects described optical axis, for connecting described worm gear.
9. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 8 are it is characterised in that described connection machine
Structure also includes：
Shaft coupling, connects described rotary transformer and described optical axis, for compensating the footpath in described rotary transformer preset range
To, angular, axial deviation.
10. Worm Wheel System drive system return difference measurement apparatus as claimed in claim 9 are it is characterised in that described control
Device calculates the transmission return difference of described worm gear according to the anglec of rotation of described worm gear to be detected, is the rotation according to described worm gear to be detected
Gyration calculates passive disturbance idle running,
Disturbance idle running is L, and the angle that worm gear compensates is α, and reference circle of wormwheel radius is R, and worm screw helical pitch is PZ, worm screw compensates dallies
Angle is β, and the modulus of worm gear and worm screw is m, and number of threads is Z1；
Wherein, L=α R, L=Pz/ β, Pz=π m z1；
Calculate β=Pz/ (α R)=(π m z1)/(α·R).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029207.7A CN106404391B (en) | 2016-11-22 | 2016-11-22 | Worm Wheel System drive system return difference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029207.7A CN106404391B (en) | 2016-11-22 | 2016-11-22 | Worm Wheel System drive system return difference measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106404391A true CN106404391A (en) | 2017-02-15 |
| CN106404391B CN106404391B (en) | 2019-05-31 |
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| CN201611029207.7A Active CN106404391B (en) | 2016-11-22 | 2016-11-22 | Worm Wheel System drive system return difference measuring device |
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Cited By (2)
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| CN111366362A (en) * | 2018-12-26 | 2020-07-03 | 深圳市优必选科技有限公司 | Transmission return difference measuring method and device, terminal equipment and readable storage medium |
| CN114018540A (en) * | 2021-09-26 | 2022-02-08 | 中国北方车辆研究所 | Movable boundary tip vortex cavitation experimental device |
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| CN114018540B (en) * | 2021-09-26 | 2023-10-03 | 中国北方车辆研究所 | Dynamic boundary tip vortex cavitation experimental device |
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| CN106404391B (en) | 2019-05-31 |
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