CN109186426A - A kind of new energy electric automobile motor and rear axle concentricity testing device - Google Patents
A kind of new energy electric automobile motor and rear axle concentricity testing device Download PDFInfo
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- CN109186426A CN109186426A CN201811116894.5A CN201811116894A CN109186426A CN 109186426 A CN109186426 A CN 109186426A CN 201811116894 A CN201811116894 A CN 201811116894A CN 109186426 A CN109186426 A CN 109186426A
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- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 239000002184 metal Substances 0.000 claims abstract description 92
- 229910052751 metal Inorganic materials 0.000 claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle engineering field, specifically a kind of new energy electric automobile motor and rear axle concentricity testing device, including driving mechanism, transmission mechanism, mounting base, the first supporting mechanism, the second supporting mechanism, indication mechanism and rear axle；The present invention is when rear axle deviates, it will drive third sheet metal to move along limiting slot, third sheet metal can be contacted with the second sheet metal, first resistor table can measure the resistance of part between third sheet metal, the second sheet metal, the eccentricity of rear axle is intuitively represented by resistance value to realize, is found in time convenient for user；User can judge the angle state of rear axle and drive rod by the resistance value of second resistance table, the resistance value of first resistor table, the angle of first gear and second gear can also be judged by second resistance table, to understand the eccentric situation of drive rod in time, so as to on-call maintenance.
Description
Technical field
The present invention relates to electric vehicle engineering field, specifically a kind of new energy electric automobile motor and rear axle are concentric
Spend detection device.
Background technique
Electric car rotation system mostly uses greatly the direct-drive mode of motor, rotation axis and rear axle, motor transmission shaft
In electric automobile during traveling, axle center can change in axle center with rear bridge driven axis, when serious offset, can make to be driven it is unstable,
Vibration and noise are caused, and will increase the frictional force in transmission process, causes power loss.
When rear axle and transmission shaft deviate, until very big noise driver is generally required just, it can be seen that and at this time
It is difficult to repair, and lacks the real-time watch device for transmission shaft.In consideration of it, the present invention provides a kind of New energy electric vapour
Vehicle motor and rear axle concentricity testing device, have the following characteristics that
(1) a kind of new energy electric automobile motor of the present invention and rear axle concentricity testing device, when rear axle occurs
When offset, it will drive third sheet metal and moved along limiting slot, third sheet metal can be contacted with the second sheet metal, first resistor table
The resistance of part between third sheet metal, the second sheet metal can be measured, to realize the eccentricity of rear axle by electricity
Resistance value intuitively represents, and finds in time convenient for user, and when bias increases, between third sheet metal and the first sheet metal
Length will increase, so as to cause resistance value increase, user can judge the inclined of rear axle by the resistance value of first resistor table
Heart shaped state；
(2) a kind of new energy electric automobile motor of the present invention and rear axle concentricity testing device, user can pass through
The resistance value of second resistance table, the resistance value of first resistor table judge the angle state of rear axle and drive rod, can also pass through the second electricity
Resistance table judges the angle of first gear and second gear, to understand the eccentric situation of drive rod, in time so as to on-call maintenance.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of new energy electric automobile motors and rear axle concentricity to examine
Survey device will drive third sheet metal and moves along limiting slot when rear axle deviates, and third sheet metal can be with the second metal
Piece contact, first resistor table can measure the resistance of part between third sheet metal, the second sheet metal, thus realize by
The eccentricity of rear axle is intuitively represented by resistance value, is found in time convenient for user, and when bias increases, third sheet metal
Length between the first sheet metal will increase, and so as to cause resistance value increase, user can pass through the electricity of first resistor table
Resistance value judges the eccentric state of rear axle；User can judge rear axle by the resistance value of second resistance table, the resistance value of first resistor table
With the angle state of drive rod, the angle of first gear and second gear can also be judged by second resistance table, thus in time
The eccentric situation of drive rod is understood, so as to on-call maintenance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of new energy electric automobile motor and rear axle are same
Heart degree detection device, including driving mechanism, transmission mechanism, mounting base, the first supporting mechanism, the second supporting mechanism, indication mechanism
And rear axle；The driving mechanism engagement connects the transmission mechanism, and the transmission mechanism engagement connects the rear axle；The biography
Motivation structure is fixedly connected with second supporting mechanism, and second supporting mechanism is carried out to the inclination angle to the transmission mechanism
Detection；The rear axle is fixedly connected with first supporting mechanism, and first supporting mechanism is to the inclination angle to the rear axle
It is detected；First supporting mechanism, second supporting mechanism end be fixedly connected with the mounting base, the installation
Seat is to be fixed first supporting mechanism, second supporting mechanism；It is first supporting mechanism, second described
Support mechanism is electrically connected the indication mechanism.
Specifically, the transmission mechanism includes second gear and drive rod, the drive rod engages company with the rear axle
It connects, the drive rod is equipped with the second gear away from one end of the rear axle.
Specifically, the driving mechanism includes motor and first gear, the first gear engagement connects second tooth
Wheel, the first gear are rotatablely connected the motor.
Specifically, first supporting mechanism include the first support tube, the first strut and the first connector, described first
Support tube is fixedly connected with the outer wall vertical of the mounting base, and first support tube is socketed with first strut, and described
The end of one strut is rotatably connected to first connector, the fixed company of the outer wall vertical of first connector and the rear axle
It connects, first connector is U-shaped structure, and the groove of first connector is vertically equipped with fixed column, the fixed column
Side wall is vertically equipped with third sheet metal, and the end vertical of first strut is provided with fixing groove, and the inner wall of the fixing groove is provided with
Cricoid limiting slot, the fixed column are inserted into the limiting slot through the inside of the fixing groove, the third sheet metal
Inside, the inner wall of the limiting slot is symmetrically arranged with the first sheet metal and the second sheet metal of arc, third sheet metal position
Between first sheet metal, the second sheet metal.
Specifically, second supporting mechanism includes the second support tube, the second strut, the second connector and mounting ring,
The mounting ring is fixed on the outer wall of the drive rod, and the outer wall vertical of the mounting ring is equipped with second connector, described
Second connector is rotatablely connected second strut, and second strut is socketed on the inside of second support tube, and described the
Two support tubes are vertical at the outer wall of the mounting base, second strut, second connector structure with described
One strut, the structure of first connector are identical.
Specifically, the indication mechanism includes power pack, first resistor table and second resistance table, the power pack is electrical
Connecting the first resistor table and the second resistance table, the power pack and the third sheet metal are electrically connected, and described the
One ohmmeter is connected in parallel to first sheet metal, second sheet metal close to one end of the third sheet metal, and described first
Ohmmeter is electrically connected the power pack, and the second resistance table is electrically connected second supporting mechanism, second support
Mechanism and first supporting mechanism are parallel with one another.
Beneficial effects of the present invention:
(1) a kind of new energy electric automobile motor of the present invention and rear axle concentricity testing device, when rear axle occurs
When offset, it will drive third sheet metal and moved along limiting slot, third sheet metal can be contacted with the second sheet metal, first resistor table
The resistance of part between third sheet metal, the second sheet metal can be measured, to realize the eccentricity of rear axle by electricity
Resistance value intuitively represents, and finds in time convenient for user, and when bias increases, between third sheet metal and the first sheet metal
Length will increase, so as to cause resistance value increase, user can judge the inclined of rear axle by the resistance value of first resistor table
Heart shaped state；
(2) a kind of new energy electric automobile motor of the present invention and rear axle concentricity testing device, user can pass through
The resistance value of second resistance table, the resistance value of first resistor table judge the angle state of rear axle and drive rod, can also pass through the second electricity
Resistance table judges the angle of first gear and second gear, to understand the eccentric situation of drive rod, in time so as to on-call maintenance.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is one kind preferably implementation of new energy electric automobile motor provided by the invention and rear axle concentricity testing device
The structural schematic diagram of example；
Fig. 2 is shown in FIG. 1 turn of the first supporting mechanism structural schematic diagram；
Fig. 3 is the first strut shown in Fig. 2 and the first connector attachment structure schematic diagram；
Fig. 4 is the first strut shown in Fig. 3 and the first connector structural schematic diagram；
Fig. 5 is the first sheet metal shown in Fig. 4, the second sheet metal attachment structure schematic diagram；
Fig. 6 is the second supporting mechanism structural schematic diagram shown in FIG. 1.
In figure: 1, driving mechanism, 11, motor, 12, first gear, 2, transmission mechanism, 21, second gear, 22, drive rod,
3, mounting base, the 4, first supporting mechanism, the 41, first support tube, the 42, first strut, 421, limiting slot, the 422, first sheet metal,
423, the second sheet metal, 424, fixing groove, the 43, first connector, 431, fixed column, 4311, third sheet metal, the 5, second support
Mechanism, the 51, second support tube, the 52, second strut, the 53, second connector, 54, mounting ring, 6, indication mechanism, 61, power pack,
62, first resistor table, 63, second resistance table, 7, rear axle.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in figs 1 to 6, a kind of new energy electric automobile motor of the present invention and rear axle concentricity testing device,
Including driving mechanism 1, transmission mechanism 2, mounting base 3, the first supporting mechanism 4, the second supporting mechanism 5, indication mechanism 6 and rear axle
7；The engagement of driving mechanism 1 connects the transmission mechanism 2, and the engagement of transmission mechanism 2 connects the rear axle 7；The transmission
Mechanism 2 is fixedly connected with second supporting mechanism 5, second supporting mechanism 5 to the inclination angle to the transmission mechanism 2 into
Row detection；The rear axle 7 is fixedly connected with first supporting mechanism 4, and first supporting mechanism 4 is to the rear axle 7
It is detected at inclination angle；First supporting mechanism 4, second supporting mechanism 5 end be fixedly connected with the mounting base
3, the mounting base 3 is to be fixed first supporting mechanism 4, second supporting mechanism 5；The first support machine
Structure 4, second supporting mechanism 5 are electrically connected the indication mechanism 6.
Specifically, as shown in Figure 1, the transmission mechanism 2 include second gear 21 and drive rod 22, the drive rod 22
Connection is engaged with the rear axle 7, the drive rod 22 is equipped with the second gear 21 away from one end of the rear axle 7；The drive
Motivation structure 1 includes motor 11 and first gear 12, and the engagement of first gear 12 connects the second gear 21, first tooth
The 12 rotation connection motor 11 of wheel；Motor 11 can drive first gear 12 to rotate, and then drive second gear 21, drive rod 22
Rotation, realizes the transmitting of power.
Specifically, first supporting mechanism 4 includes the first support tube 41, first as shown in Fig. 2, Fig. 3 and Fig. 4
Bar 42 and the first connector 43, first support tube 41 are fixedly connected with the outer wall vertical of the mounting base 3, and described first
Support tube 41 is socketed with first strut 42, and the end of first strut 42 is rotatably connected to first connector 43,
First connector 43 is fixedly connected with the outer wall vertical of the rear axle 7, and first connector 43 is U-shaped structure, described
The groove of first connector 43 is vertically equipped with fixed column 431, and the side wall of the fixed column 431 is vertically equipped with third sheet metal
4311, the end vertical of first strut 42 is provided with fixing groove 424, and the inner wall of the fixing groove 424 is provided with cricoid limit
Slot 421, the fixed column 431 are inserted into the limit through the inside of the fixing groove 424, the third sheet metal 4311
The inside of slot 421, the inner wall of the limiting slot 421 are symmetrically arranged with the first sheet metal 422 and the second sheet metal 423 of arc, institute
Third sheet metal 4311 is stated between first sheet metal 422, the second sheet metal 423；It can band when rear axle 7 deviates
Dynamic first connector 43 rotation is led to so that third sheet metal 4311 is contacted with the first sheet metal 422, the second sheet metal 423
Cross the judgement realized to the measurement of resistance for deflection angle.
Specifically, as shown in figures 1 to 6, second supporting mechanism 5 includes the second support tube 51, the second strut 52, the
Two connectors 53 and mounting ring 54, the mounting ring 54 are fixed on the outer wall of the drive rod 22, the mounting ring 54 it is outer
Wall is vertically equipped with second connector 53, and second connector 53 is rotatablely connected second strut 52, and described second
Bar 52 is socketed on the inside of second support tube 51, and second support tube 51 is vertical at the outer wall of the mounting base 3, institute
State structure of the structure of the second strut 52, second connector 53 with first strut 42, first connector 43
It is identical；Drive rod 22 can be detected by the second supporting mechanism 5, so that detection is more accurate, detection range is wider.
Specifically, as shown in Figure 1 and Figure 4, the indication mechanism 6 includes power pack 61, first resistor table 62 and second
Ohmmeter 63, the power pack 61 are electrically connected the first resistor table 62 and the second resistance table 63, the power pack 61
It is electrically connected with the third sheet metal 4311, the first resistor table 62 is connected in parallel to first sheet metal 422, described second
Sheet metal 423 is electrically connected the power pack 61, institute close to one end of the third sheet metal 4311, the first resistor table 62
It states second resistance table 63 and is electrically connected second supporting mechanism 5, second supporting mechanism 5 and first supporting mechanism 4
It is parallel with one another；By the electric connection of ohmmeter and each sheet metal, eccentric angle can intuitively be opened up by ohmmeter
It shows, finds the problem in time convenient for user.
When rear axle 7 deviates, it will drive third sheet metal 4311 and moved along limiting slot 421, third sheet metal
4311 can contact with the second sheet metal 423, and first resistor table 62 can be between third sheet metal 4311, the second sheet metal 423
Partial resistance measures, and intuitively represents the eccentricity of rear axle 7 by resistance value to realize, sends out in time convenient for user
It is existing, and when bias increases, the length between third sheet metal 4311 and the first sheet metal 422 will increase, so as to cause
Resistance value increases, and user can judge the eccentric state of rear axle 7 by the resistance value of first resistor table 62；User can pass through second
The resistance value of ohmmeter 63, the resistance value of first resistor table 62 judge the angle state of rear axle 7 Yu drive rod 22, can also pass through second
Ohmmeter 63 judges the angle of first gear 12 Yu second gear 21, so that the eccentric situation of drive rod 22 is understood in time, with
Just on-call maintenance.Specifically have:
(1) car at runtime, if bias occurs in rear axle 7, can follow movement in the first connector 43, so that fixed column
431 rotate around fixing groove 424, and will drive the first strut 42 and stretch in the first support tube 41；Fixed column 431 is rotating
While, will drive third sheet metal 4311 rotation, third sheet metal 4311 can gradually with the first sheet metal 422 or the second metal
Piece 423 draws close fitting, and when contacting with the first sheet metal 422, the electric current of power pack 61 can be transmitted by third sheet metal 4311
To the first sheet metal 422, then is flowed out to by the metal part between third sheet metal 4311, the first sheet metal 422
One ohmmeter 62, first resistor table 62 can detect this section of resistance, bending degree increase when, third sheet metal 4311 with
Length between first sheet metal 422 will increase, and so as to cause resistance value increase, user can pass through first resistor table 62
Resistance value judges the eccentric state of rear axle 7；
(2) if bias occurs in drive rod 22, the rotation of the second connector 53,52 stretching motion of the second strut be will drive, from
And second resistance table 63 is made to be capable of detecting when the resistance value inside the second supporting mechanism 5, user can pass through second resistance table 63
Resistance value, the resistance value of first resistor table 62 judge the angle state of rear axle 7 Yu drive rod 22, also can determine whether out first gear 12
With the angle of second gear 21, the eccentric situation of drive rod 22 is understood, in time so as to on-call maintenance.
The present invention will drive third sheet metal 4311 and move along limiting slot 421 when rear axle 7 deviates, third gold
Belonging to piece 4311 can contact with the second sheet metal 423, and first resistor table 62 can be to third sheet metal 4311, the second sheet metal 423
Between the resistance of part measure, the eccentricity of rear axle 7 is intuitively represented by resistance value to realize, convenient for user and
Shi Faxian, and when bias increases, the length between third sheet metal 4311 and the first sheet metal 422 will increase, thus
Resistance value is caused to increase, user can judge the eccentric state of rear axle 7 by the resistance value of first resistor table 62；User can pass through
The resistance value of second resistance table 63, the resistance value of first resistor table 62 judge the angle state of rear axle 7 Yu drive rod 22, can also pass through
Second resistance table 63 judges the angle of first gear 12 Yu second gear 21, to understand the eccentric feelings of drive rod 22 in time
Condition, so as to on-call maintenance.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (6)
1. a kind of new energy electric automobile motor and rear axle concentricity testing device, it is characterised in that: including driving mechanism (1),
Transmission mechanism (2), mounting base (3), the first supporting mechanism (4), the second supporting mechanism (5), indication mechanism (6) and rear axle (7)；
Driving mechanism (1) engagement connects the transmission mechanism (2), and transmission mechanism (2) engagement connects the rear axle (7)；Institute
It states transmission mechanism (2) and is fixedly connected with second supporting mechanism (5), second supporting mechanism (5) is to the driver
It is detected at the inclination angle of structure (2)；The rear axle (7) is fixedly connected with first supporting mechanism (4), first supporting mechanism
(4) it is detected to the inclination angle to the rear axle (7)；First supporting mechanism (4), second supporting mechanism (5)
End be fixedly connected with the mounting base (3), the mounting base (3) is to first supporting mechanism (4), described second
Supporting mechanism (5) is fixed；First supporting mechanism (4), second supporting mechanism (5) are electrically connected the display
Mechanism (6).
2. a kind of new energy electric automobile motor according to claim 1 and rear axle concentricity testing device, feature exist
In: the transmission mechanism (2) include second gear (21) and drive rod (22), the drive rod (22) with the rear axle (7)
Engagement connection, the drive rod (22) are equipped with the second gear (21) away from the one end of the rear axle (7).
3. a kind of new energy electric automobile motor according to claim 2 and rear axle concentricity testing device, feature exist
In: the driving mechanism (1) includes motor (11) and first gear (12), first gear (12) the engagement connection described second
Gear (21), the first gear (12) are rotatablely connected the motor (11).
4. a kind of new energy electric automobile motor according to claim 3 and rear axle concentricity testing device, feature exist
In: first supporting mechanism (4) includes the first support tube (41), the first strut (42) and the first connector (43), described
First support tube (41) is fixedly connected with the outer wall vertical of the mounting base (3), and first support tube (41) is socketed with described
First strut (42), the end of first strut (42) are rotatably connected to first connector (43), first connection
Head (43) is fixedly connected with the outer wall vertical of the rear axle (7), and first connector (43) is U-shaped structure, and described first connects
The groove of connector (43) is vertically equipped with fixed column (431), and the side wall of the fixed column (431) is vertically equipped with third sheet metal
(4311), the end vertical of first strut (42) is provided with fixing groove (424), and the inner wall of the fixing groove (424) is provided with ring
The limiting slot (421) of shape, inside of the fixed column (431) through the fixing groove (424), the third sheet metal
(4311) it is inserted into the inside of the limiting slot (421), the inner wall of the limiting slot (421) is symmetrically arranged with the first metal of arc
Piece (422) and the second sheet metal (423), the third sheet metal (4311) are located at first sheet metal (422), the second metal
Between piece (423).
5. a kind of new energy electric automobile motor according to claim 4 and rear axle concentricity testing device, feature exist
In: second supporting mechanism (5) includes the second support tube (51), the second strut (52), the second connector (53) and installation
Ring (54), the mounting ring (54) are fixed on the outer wall of the drive rod (22), and the outer wall vertical of the mounting ring (54) is equipped with
Second connector (53), second connector (53) are rotatablely connected second strut (52), second strut
(52) it is socketed on the inside of second support tube (51), second support tube (51) is vertical at the mounting base (3)
Outer wall, second strut (52), second connector (53) structure with first strut (42), it is described first connect
The structure of connector (43) is identical.
6. a kind of new energy electric automobile motor according to claim 5 and rear axle concentricity testing device, feature exist
In: the indication mechanism (6) includes power pack (61), first resistor table (62) and second resistance table (63), the power pack
(61) the first resistor table (62) and the second resistance table (63), the power pack (61) and third gold are electrically connected
Belong to piece (4311) to be electrically connected, the first resistor table (62) is connected in parallel to first sheet metal (422), second sheet metal
(423) close to one end of the third sheet metal (4311), the first resistor table (62) is electrically connected the power pack (61),
The second resistance table (63) is electrically connected second supporting mechanism (5), second supporting mechanism (5) with described first
Support mechanism (4) is parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116894.5A CN109186426B (en) | 2018-09-25 | 2018-09-25 | New forms of energy electric automobile motor and rear axle concentricity detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116894.5A CN109186426B (en) | 2018-09-25 | 2018-09-25 | New forms of energy electric automobile motor and rear axle concentricity detection device |
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| CN109186426A true CN109186426A (en) | 2019-01-11 |
| CN109186426B CN109186426B (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284224A (en) * | 2020-11-10 | 2021-01-29 | 殷晓倩 | New forms of energy electric automobile motor and rear axle concentricity detection device |
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| CN108020425A (en) * | 2016-11-02 | 2018-05-11 | 湖北风驰新能源车辆有限公司 | A kind of detection device of New energy electric vehicle motor and rear axle matching performance |
| CN106767649A (en) * | 2016-11-21 | 2017-05-31 | 中国科学院光电技术研究所 | Object rotation angle measuring method suitable for rotation axis parallel to horizontal plane |
| CN207036036U (en) * | 2017-08-04 | 2018-02-23 | 陕西北元化工集团股份有限公司 | A kind of junction box levelling aid |
| CN207395639U (en) * | 2017-11-14 | 2018-05-22 | 神华集团有限责任公司 | Shaft coupling alignment deviation survey tool |
| CN207423105U (en) * | 2017-11-17 | 2018-05-29 | 张殿英 | A kind of resistor type angle encoder |
| CN207675116U (en) * | 2017-12-05 | 2018-07-31 | 苏州亿帝电子科技有限公司 | Digital angle ruler |
| CN207763638U (en) * | 2018-01-23 | 2018-08-24 | 国家电投集团河南电力检修工程有限公司 | The convenient survey tool of turbine shafting centering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112284224A (en) * | 2020-11-10 | 2021-01-29 | 殷晓倩 | New forms of energy electric automobile motor and rear axle concentricity detection device |
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