CN207636002U - A kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash - Google Patents
A kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash Download PDFInfo
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- CN207636002U CN207636002U CN201721819020.7U CN201721819020U CN207636002U CN 207636002 U CN207636002 U CN 207636002U CN 201721819020 U CN201721819020 U CN 201721819020U CN 207636002 U CN207636002 U CN 207636002U
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- positioning plate
- wiper motor
- gear
- output shaft
- electrical machine
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of indirect measurement systems of rain shaving electrical machine worm and gear gear backlash, in triangle installation fixed pulley assembly (1) on working panel (6), the installation wiper motor positioning plate mechanism (3) on the symmetrical fixed pulley assembly of the right and left (1) center working panel (6), wiper motor positioning plate mechanism (3) is equipped with detection arm of force component (5), dial gauge positioning regulating mechanism (2) is equipped on the right of wiper motor positioning plate mechanism (3), the left side is equipped with motor output shaft fastening nut vertical correction mechanism (4) in wiper motor positioning plate mechanism (3)；Wiper motor is fixed on wiper motor positioning plate mechanism (3) reverse side, is limited with flat key；Detection arm of force component (5) is connected with motor output shaft, is fastened with fastening nut.The device realizes the approximate measure of this parameter of gear backlash between rain shaving electrical machine worm gear, worm screw, and feasibility and convenience are provided to the evaluation using this parameter as motor performance.
Description
Technical field
The utility model is related to a kind of indirect measurement systems of rain shaving electrical machine worm and gear gear backlash.
Background technology
It is also higher and higher to rain shaving electrical machine performance requirement under the premise of wiper Market competition.Influence motor
Can parameter have very much, worm screw is motionless, worm gear for this parameter of gear backlash wherein between motor worm gear, worm screw, i.e. holding
Can positive and negative rotation the sum of angle, to motor performance evaluate it is significant.And before this, domestic wiper market is to this parameter
Measurement still belong to blank.In view of this, the utility model provides a kind of gear backlash between rain shaving electrical machine worm gear, worm screw
Measuring device and measurement method.
Invention content
The purpose of this utility model is that between rain shaving electrical machine worm gear, worm screw gear backlash measurement method and phase
It answers device, realizes the approximate measure to this parameter, feasibility and just is provided to the evaluation using this parameter as motor performance
Victory.
The purpose of this utility model and its technical problem underlying is solved using following technical scheme to realize：A kind of rain
Scrape the indirect measurement system of motor worm and gear gear backlash, including fixed pulley assembly 1, dial gauge positioning regulating mechanism 2,
Wiper motor positioning plate mechanism 3, motor output shaft fastening nut vertical correction mechanism 4, detection arm of force component 5 and working panel
6, fixed pulley assembly 1 is installed in triangle on working panel 6, the wherein symmetrical fixed pulley assembly 1 of the right and left is determined to be horizontal
Pulley, third group fixed pulley assembly 1 is a horizontal fixed pulley and two vertical fixed pulleys, on the side of working panel 6,
The symmetrical fixed pulley assembly 1 of the right and left hits exactly installation wiper motor positioning plate mechanism 3, wiper motor on working panel 6
Positioning plate mechanism 3 is equipped with detection arm of force component 5, and 3 the right of wiper motor positioning plate mechanism is equipped with dial gauge and positions adjusting machine
Structure 2, the left side is equipped with motor output shaft fastening nut vertical correction mechanism 4 in wiper motor positioning plate mechanism 3；By wiper electricity
Machine is fixed on 3 reverse side of wiper motor positioning plate mechanism, is limited with flat key；It will detection arm of force component 5 and motor output shaft
It is connected, is fastened with fastening nut.
In the dial gauge positioning regulating mechanism 2, locating shaft locating piece 14 is fixed on working panel 6, then stationary positioned
Axis 15 connects link block B13 on locating shaft 15, and link block B13 is moved along 15 axis direction of locating shaft, is adjusted to suitable position
It is fastened by screw, link block A12 is installed in link block B13, link block A12 is moved along link block B13 endoporus axis directions, even
Connecing on block A12 has flat, and flat place plane and front end connection dial gauge mold cavity axis are parallel, after being adjusted to suitable position, front end by
Screw lock, rear end are flat by screw lock.11 position of dial gauge can realize that six-way is freely adjusted as a result, on-demand adjusting position
.
In wiper motor positioning plate mechanism 3, motor installation positioning plate 17 is screwed on working panel 6,
And limited with flat key 16,18 reverse side of rain shaving electrical machine is fixed on motor installation positioning plate 17, is fastened with screw.According to different windscreen wipers
Device motor product and customize the different motors installation positioning plates 17 with motor installing hole, to realize that various wiper products are compatible with
Property.
In the motor output shaft fastening nut vertical correction mechanism 4, calibration block positioning plate 19 is mounted on working panel 6
On, it is fastened with screw；Calibration block link block 20 slides in 19 sliding slot of calibration block positioning plate, and it is tight with screw to be adjusted to suitable position
Gu；There is circular hole in 21 one end of calibration block, has a gap with 22 outer circle of fastening nut, at other end waist-shaped hole with calibration block link block 20
It is fastened with screw, fastening nut 22 is fastened with motor output shaft.Fastening nut 22 is always in 21 circular hole of calibration block in fastener cycle
Interior rotation ensures that 22 axis of fastening nut in the reasonable scope, calibration function is realized with this with motor output shaft axis coaxle degree.
The detection arm of force component 5 is restructured by existing crank part, and technique flexural pivot 24 presses work with technique crank 23
Skill rivets, and for detection reference block 25 with technique crank 23 to connect fastening again with screw after step positioning at flexural pivot riveting, technique is bent
23 other end of handle is connect with fastening nut 22 by technological requirement with motor output shaft, 25 front-end detection face of detection reference block, technique
24 axis of flexural pivot and 23 axially bored line of technique crank are coplanar, and detection reference block is carved with detection datum line on 25 front-end detection face.
The counterweight component 8 is 1Nm level Four counterweight components.
With the measurement method of the indirect measurement system of above-mentioned rain shaving electrical machine worm and gear gear backlash, percentage is adjusted
Dialgage detection head is placed at the 5 front end scribing line of detection arm of force component, dial gauge initial detecting position by table positioning regulating mechanism 2
Set i.e. thus at scribing line, and dialgage detection head is in compressive state at this time, decrement be range one third to three/
Between two, percentage meter reading is zeroed；With 7 one end of flexible wire ropes connection counterweight component 8, other end connecting detection arm of force component
At flexural pivot on 5, along left side loading moment, percentage meter reading at this time is recorded, takes absolute value and is denoted as L1, keep remaining motionless, it will
Originally the flexible wire ropes 7 of loading moment, 8 position of counterweight component are adjusted to loading moment to the right to the left, record dial gauge at this time
Absolute value is read, L is denoted as2；Detecting arm of force component 5 is restructured by existing crank part, to the power of motor output shaft load
Square is crank flexural pivot axis and motor output shaft axis by being loaded along positive and negative tangential direction at this crank part flexural pivot
Distance is denoted as R1, thus the arm of force calculates gained to the counterweight component 8 used in loading moment, and there is scribing line in another 5 front end of arm of force component of detecting,
Scribing line is denoted as R with motor output shaft distance2, R2Value measures gained by three-coordinates measuring machine；It at this time can be respectively close by left and right displacement
Seemingly it is considered as a right-angle side, dialgage detection head axis is always R away from motor output shaft axle center distance2, and this segment distance is another
Right-angle side, then required gap angle calcu-lation formula be：
The utility model principle：The present apparatus by the forward direction and Opposite side loading torque in motor output shaft direction of rotation, this
Torque need to meet only worm gear 9 and be remained stationary as along rotation suitable, counterclockwise, worm screw 10, guarantee to drive worm gear so torque is small
Rotation greatly otherwise can drive worm screw to rotate, and grope through experiment, this torque is usually no more than wiper motor max. output torque
3%, specifically depending on actual conditions.Successively along this torque of the forward and reverse load of test point tangent line, positive and reversed maximum is measured
Gap, in conjunction with the fixed arm of force, approximate calculation goes out motor worm gear under such state, gear on worm back lash angle theta.
The utility model has clear advantage and advantageous effect compared with prior art.By above technical scheme it is found that
The utility model has the characteristics that：
1, the fixed pulley assembly installed in triangle, first, it is easy to operate, because needing along workbench or so loading moment, weight
This respectively hangs once in workbench left and right side code book respectively, and when the connection of connection type shown in Fig. 1, it is only necessary to change steel wire rope and walks
To, and counterweight is only moved in a small range；Second, steel wire rope trend is reasonable, torque decaying is small.
2, the approximate measure for realizing this parameter of gear backlash between rain shaving electrical machine worm gear, worm screw, to being joined with this
Number provides feasibility and convenience as the evaluation of motor performance.
Description of the drawings
Fig. 1 is the general assembly structural schematic diagram of the utility model.
Fig. 2 is the connection diagram of flexible wire ropes.
Fig. 3 be the utility model use state reference chart (to the left, state 1, motor output shaft is along loading force clockwise
Square).
Fig. 4 be the utility model use state reference chart (to the right, state 2, motor output shaft is along loading force counterclockwise
Square).
Fig. 5 is the testing principle schematic diagram of the utility model.
Fig. 6 is the dial gauge positioning regulating mechanism schematic diagram of the utility model.
Fig. 7 is the stereogram of Fig. 6.
Fig. 8 is the schematic diagram of the utility model wiper motor positioning plate mechanism.
Fig. 9 is wiper motor scheme of installation.
Figure 10 is the motor output shaft fastening nut vertical correction structural scheme of mechanism of the utility model.
Figure 11 is the stereogram of Figure 10.
Figure 12 is the front view and vertical view and R that the utility model detects arm of force component1And R2Schematic diagram.
Figure 13 is the utility model rain shaving electrical machine worm and gear gear backlash angle calcu-lation formula.
It is marked in figure：1, fixed pulley assembly；2, dial gauge positioning regulating mechanism；3, wiper motor positioning plate mechanism；4、
Motor output shaft fastening nut vertical correction mechanism；5, arm of force component is detected；6, working panel；7, flexible wire ropes；8, counterweight
Component；9, worm gear；10, worm screw.11, dial gauge；12, link block A；13, link block B；14, locating shaft locating piece；15, it positions
Axis；16, flat key；17, motor installs positioning plate；18, rain shaving electrical machine；19, calibration block positioning plate；20, calibration block link block；21、
Calibration block；22, fastening nut；23, technique crank；24, technique flexural pivot；25, reference block is detected.
Detect arm of force state 1：Initial detecting state, dialgage detection head initial position；
Detect arm of force state 2：When motor output shaft is along loading moment counterclockwise；
Detect arm of force state 3：Motor output shaft is along loading moment clockwise.
Specific implementation mode
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes a kind of rain shaving electrical machine worm and gear tooth
Indirect measurement system specific implementation mode, structure, feature and its effect of back lash are taken turns, is described in detail as after.
Referring to Fig. 1-12, a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash, including fixed pulley
Component 1, dial gauge positioning regulating mechanism 2, wiper motor positioning plate mechanism 3, motor output shaft fastening nut vertical correction machine
Structure 4, detection arm of force component 5 and working panel 6, fixed pulley assembly 1, wherein the right and left are installed on working panel 6 in triangle
Symmetrical fixed pulley assembly 1 is horizontal fixed pulley, and third group fixed pulley assembly 1 is that a horizontal fixed pulley and two are vertical fixed
Pulley hits exactly in the symmetrical fixed pulley assembly 1 of the right and left on the side of working panel 6 and installs wiper on working panel 6
Motor positioning plate mechanism 3, wiper motor positioning plate mechanism 3 are equipped with detection arm of force component 5, wiper motor positioning plate mechanism
3 the right are equipped with dial gauge positioning regulating mechanism 2, and the left side is equipped with motor output shaft fastening spiral shell in wiper motor positioning plate mechanism 3
Female vertical correction mechanism 4；Wiper motor is fixed on 3 reverse side of wiper motor positioning plate mechanism, is limited with flat key；It will
Detection arm of force component 5 is connected with motor output shaft, is fastened with fastening nut.
In the dial gauge positioning regulating mechanism 2, locating shaft locating piece 14 is fixed on working panel 6, then stationary positioned
Axis 15 connects link block B13 on locating shaft 15, and link block B13 is moved along 15 axis direction of locating shaft, is adjusted to suitable position
It is fastened by screw, link block A12 is installed in link block B13, link block A12 is moved along link block B13 endoporus axis directions, even
Connecing on block A12 has flat, and flat place plane and front end connection dial gauge mold cavity axis are parallel, after being adjusted to suitable position, front end by
Screw lock, rear end are flat by screw lock.11 position of dial gauge can realize that six-way is freely adjusted as a result, on-demand adjusting position
.
In wiper motor positioning plate mechanism 3, motor installation positioning plate 17 is screwed on working panel 6,
And limited with flat key 16,18 reverse side of rain shaving electrical machine is fixed on motor installation positioning plate 17, is fastened with screw.According to different windscreen wipers
Device motor product and customize the different motors installation positioning plates 17 with motor installing hole, to realize that various wiper products are compatible with
Property.
In the motor output shaft fastening nut vertical correction mechanism 4, calibration block positioning plate 19 is mounted on working panel 6
On, it is fastened with screw；Calibration block link block 20 slides in 19 sliding slot of calibration block positioning plate, and it is tight with screw to be adjusted to suitable position
Gu；There is circular hole in 21 one end of calibration block, has a gap with 22 outer circle of fastening nut, at other end waist-shaped hole with calibration block link block 20
It is fastened with screw, fastening nut 22 is fastened with motor output shaft.Fastening nut 22 is always in 21 circular hole of calibration block in fastener cycle
Interior rotation ensures that 22 axis of fastening nut in the reasonable scope, calibration function is realized with this with motor output shaft axis coaxle degree.
The detection arm of force component 5 is restructured by existing crank part, and technique flexural pivot 24 presses work with technique crank 23
Skill rivets, and for detection reference block 25 with technique crank 23 to connect fastening again with screw after step positioning at flexural pivot riveting, technique is bent
23 other end of handle is connect with fastening nut 22 by technological requirement with motor output shaft, 25 front-end detection face of detection reference block, technique
24 axis of flexural pivot and 23 axially bored line of technique crank are coplanar, and detection reference block is carved with detection datum line on 25 front-end detection face.
The counterweight component 8 is 1Nm level Four counterweight components.
Wiper motor is fixed on 3 reverse side of rain shaving electrical machine positioning plate mechanism, is limited with flat key, with screw by windscreen wiper
Device motor positioning plate mechanism 3 is fastened with working panel 6；Detection arm of force component 5 is connected with motor output shaft, it is tight with fastening nut
Gu the connection of this part meets the requirement of motor crank component assembling；When fastening nut fastening detection arm of force component 5, exported with motor
4 auxiliary corrective of axis fastening nut vertical correction mechanism assembles the consistent of effect and technique with this to ensure to detect arm of force component 5
Property；Dial gauge positioning regulating mechanism 2 is adjusted, dialgage detection head is placed at the 5 front end scribing line of detection arm of force component, dial gauge
Initial detecting position is i.e. thus at scribing line, and dialgage detection head is in compressive state at this time, decrement be range three/
Between 2/1 to three, percentage meter reading is zeroed；Flexible wire ropes 7 are riveted into one end connection counterweight component 8 with fixed block,
At flexural pivot on other end connecting detection arm of force component 5, along left side loading moment, percentage meter reading at this time is recorded, is taken absolute value
It is denoted as L1, keep remaining motionless, by originally to the left the flexible wire ropes 7 of loading moment, 8 position of counterweight component adjust to the right plus
Torque is carried, percentage meter reading absolute value at this time is recorded, is denoted as L2。
Detecting arm of force component 5 is restructured by existing crank part, and the torque to motor output shaft load is to pass through
It is loaded along positive and negative tangential direction at this crank part flexural pivot, crank flexural pivot axis is denoted as R at a distance from motor output shaft axis1,
Thus the arm of force calculates gained to counterweight component 8 used in loading moment, and there are scribing line, scribing line and motor in another 5 front end of arm of force component of detecting
Output shaft distance is denoted as R2, R2Value measures gained by three-coordinates measuring machine.
By L1With L2Bringing gap angle calcu-lation formula into isWindscreen wiper can be calculated
Motor worm gear, gear on worm back lash angle.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is any without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to above example
Made by any simple modification, equivalent change and modification, be still within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash, it is characterised in that：Including fixed pulley group
Part (1), dial gauge positioning regulating mechanism (2), wiper motor positioning plate mechanism (3), the vertical school of motor output shaft fastening nut
Positive mechanism (4), detection arm of force component (5) and working panel (6), fixed pulley assembly is installed on working panel (6) in triangle
(1), wherein the symmetrical fixed pulley assembly of the right and left (1) is horizontal fixed pulley, and third group fixed pulley assembly (1) is a water
Calm down pulley and two vertical fixed pulleys, on the side of working panel (6), in the symmetrical fixed pulley assembly of the right and left (1)
Installation wiper motor positioning plate mechanism (3) on working panel (6) is hit exactly, wiper motor positioning plate mechanism (3) is equipped with inspection
Dynamometry arm component (5), wiper motor positioning plate mechanism (3) the right are equipped with dial gauge positioning regulating mechanism (2), wiper motor
The left side is equipped with motor output shaft fastening nut vertical correction mechanism (4) in positioning plate mechanism (3)；Wiper motor is installed and is fixed
In wiper motor positioning plate mechanism (3) reverse side, limited with flat key；Detection arm of force component (5) is connected with motor output shaft, is used
Fastening nut fastens.
2. a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash as described in claim 1, feature
It is：In the dial gauge positioning regulating mechanism (2), locating shaft locating piece (14) is fixed on working panel (6), then fixed fixed
Position axis (15), connection link block B (13) on locating shaft (15), link block B (13) are moved along locating shaft (15) axis direction, are adjusted
It is fastened to suitable position by screw, link block A (12) is installed in link block B (13), link block A (12) is in link block B (13)
Axially bored line direction moves, and has on link block A (12) flat, and flat place plane is parallel with front end connection dial gauge mold cavity axis, adjusting
To suitable position, by screw lock, rear end is flat by screw lock for front end.
3. a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash as described in claim 1, feature
It is：In wiper motor positioning plate mechanism (3), motor installation positioning plate (17) is screwed in working panel (6)
On, and limited with flat key (16), rain shaving electrical machine (18) reverse side is fixed on motor installation positioning plate (17), is fastened with screw.
4. a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash as described in claim 1, feature
It is：In the motor output shaft fastening nut vertical correction mechanism (4), calibration block positioning plate (19) is mounted on working panel
(6) it on, is fastened with screw；Calibration block link block (20) sliding in calibration block positioning plate (19) sliding slot, is adjusted to suitable position
It is fastened with screw；There is circular hole in calibration block (21) one end, has a gap with fastening nut (22) outer circle, at other end waist-shaped hole with calibration
Block link block (20) is fastened with screw, and fastening nut (22) is fastened with motor output shaft.
5. a kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash as described in claim 1, feature
It is：The detection arm of force component (5) is restructured by existing crank part, and technique flexural pivot (24) is pressed with technique crank (23)
Technique rivets, and detection reference block (25) connect fastening with screw again after being positioned with step at flexural pivot riveting with technique crank (23),
Technique crank (23) other end is connect with fastening nut (22) by technological requirement with motor output shaft, detects reference block (25) front end
Detection faces, technique flexural pivot (24) axis and technique crank (23) axially bored line are coplanar, detect and are carved on reference block (25) front-end detection face
There is detection datum line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819020.7U CN207636002U (en) | 2017-12-23 | 2017-12-23 | A kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819020.7U CN207636002U (en) | 2017-12-23 | 2017-12-23 | A kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636002U true CN207636002U (en) | 2018-07-20 |
Family
ID=62853910
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721819020.7U Expired - Fee Related CN207636002U (en) | 2017-12-23 | 2017-12-23 | A kind of indirect measurement system of rain shaving electrical machine worm and gear gear backlash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207636002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050916A (en) * | 2017-12-23 | 2018-05-18 | 贵阳万江航空机电有限公司 | The indirect measurement system and method for rain shaving electrical machine worm and gear gear backlash |
-
2017
- 2017-12-23 CN CN201721819020.7U patent/CN207636002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050916A (en) * | 2017-12-23 | 2018-05-18 | 贵阳万江航空机电有限公司 | The indirect measurement system and method for rain shaving electrical machine worm and gear gear backlash |
| CN108050916B (en) * | 2017-12-23 | 2024-04-09 | 贵阳万江航空机电有限公司 | Indirect measurement device and method for gear meshing gap of worm gear of wiper motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20191223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |