CN103697798A - Measuring device and measuring method for swing angle of ball head - Google Patents
Measuring device and measuring method for swing angle of ball head Download PDFInfo
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- CN103697798A CN103697798A CN201310742720.0A CN201310742720A CN103697798A CN 103697798 A CN103697798 A CN 103697798A CN 201310742720 A CN201310742720 A CN 201310742720A CN 103697798 A CN103697798 A CN 103697798A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 12
- 230000010354 integration Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 208000003464 asthenopia Diseases 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a measuring device and a measuring method for a swing angle of a ball head and relates to the technical field of automobile part detection. The measuring device and the measuring method for the swing angle of the ball head are invented to improve the detection efficiency of the swing angle of a ball head product. The measuring device for the swing angle of the ball head comprises a base, a dial assembly, a positioning device and a clamping device, wherein the dial assembly is arranged on the base; the dial assembly comprises a dial and a pointer assembly; the pointer assembly comprises a carriage; one side of the carriage is provided with the pointer; a neck is formed in the other side of the carriage, which is opposite to the pointer; the neck can be clamped to the ball arm part of a to-be-measured ball head part in a matching manner; the dial is engraved to form angle scale marks; a chute is formed along the distribution direction of the angle scale marks; the carriage and the chute are arranged in the matching manner, and the carriage can slide along the chute. The measuring device for the swing angle of the ball head disclosed by the invention is used for detecting the swing angle of the ball head product.
Description
Technical field
The present invention relates to auto parts and components detection technique field, relate in particular to a kind of bulb deflection angle measurement device and measuring method.
Background technology
Development along with auto parts and components large-scale production; product quality and manufacturing cost have become two indexs that numerous auto parts and components manufacturing enterprise pays close attention to the most; the ability that guarantees of quality is the force at the core that determines an Enterprise's Sustainable Development, and under this prerequisite, how to reduce the emphasis that manufacturing cost also becomes business administration.
For in manufacture process not one of value-added part surely belong to process and detect, be guaranteed quality, it is essential that process detects, and how to improve detection efficiency, reduces workman's labour intensity, is current urgent problem.Adopting special-purpose detection scheme easily to replace the detection scheme of traditional common, is highly effective means.
Bulb series products belongs to one of security classes part of vehicle key, and the pivot angle of this product belongs to critical technical parameter, need to guarantee that 100% is qualified, realizes, thereby affect traffic safety if the defective meeting of angle directly affects the function of product.So the process of pivot angle detects and is absolutely necessary.
In industry, all adopt now universal bevel protractor to measure bulb pivot angle, efficiency is low, needs workman's off-line to measure, and because the adjustment process of bevel protractor is long, has had a strong impact on the beat of production.Owing to there are many variation in personnel's operation technique and locator meams; Cause the testing process used time longer, and easily there is visual fatigue in workman, cause error in reading.
Summary of the invention
Embodiments of the invention provide a kind of bulb deflection angle measurement device and measuring method, to improve the detection efficiency of bulb series products pivot angle.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A bulb deflection angle measurement device, comprising: base; Index dial assembly, described index dial assembly is arranged on described base, described index dial assembly comprises index dial and indicating hand component, described indicating hand component comprises balladeur train, one side of described balladeur train is provided with pointer, opposite side relative with pointer on described balladeur train is provided with draw-in groove, described draw-in groove can divide and coordinate clamping with the club of bulb class part to be measured, on described index dial, be carved with angle index line, distribution arrangement along angle index line offers chute, and described balladeur train and described chute are equipped with and can slide along described chute; Locating device, described locating device be arranged on described base and with the corresponding setting of zero degree groove of described angle index line, described locating device can divide with the ball head of bulb class part to be measured and coordinate location; Clamp device, described clamp device is arranged on described base, and after the bulb of bulb class part to be measured is partly located by described locating device, described clamp device can partly clamp the bulb of bulb class part to be measured.
Further, between described balladeur train and described chute, by roll wheel assembly, roll and be connected.
Further, described roll wheel assembly comprises mandrel and be sheathed on the roller on mandrel, and described mandrel is fixed on described balladeur train, and described roller coordinates with described chute rolling.
Further, described index dial comprises front, the back side and end face, described end face is circular arc, described angle index line is arranged at the positive of described index dial and along the end face contoured profile of circular arc, described balladeur train is arranged at the top of described index dial, described balladeur train comprises horizontal integration face and vertical faying face, described horizontal integration face is corresponding with the end face of described index dial, described vertical faying face is corresponding with the back side of described index dial, described chute comprises the end face chute that is arranged at index dial end face and the back side chute that is arranged at the index dial back side, described roll wheel assembly comprises the horizontal roller assembly on the horizontal integration face of being arranged at and is arranged at the vertical roll wheel assembly on vertical faying face, the roller of described horizontal roller assembly rolls and coordinates with described end face chute, the roller of described vertical roll wheel assembly rolls and coordinates with described back side chute.
Alternatively, described roller is angular contact ball bearing.
Further, described locating device comprises set collar and lower set collar, and described lower set collar is fixed on base, and upper set collar is removably connected on lower set collar, and the ball head separation structure of the inner structure of upper set collar and bulb class part to be measured adapts.
Further, described clamp device comprises active grab, is connected with pressing plate on active grab, and pressing plate divides and coordinates with the ball head of bulb class part to be measured, when described active grab is during in clamped condition, described active grab can clamp with dynamic pressure plate the bulb part of bulb class part to be measured.
Further, the middle part of described pressing plate offers slotted hole, and during use, the club of described bulb class part to be measured is partly through described slotted hole setting, described slotted hole is along the swaying direction setting of club part, and the size of slotted hole is not interfered club part in swing process with slotted hole.
Further, the two ends of described chute are respectively equipped with limited block.
The embodiment of the present invention also provides a kind of bulb Different Deflection Angle Measurement, comprises the following steps:
S1, calibration are made zero, calibration club head is placed into and in locating device, coordinates location with locating device, the excellent bar portion of calibration one end is coordinated with the draw-in groove on balladeur train, now indicating hand component will be adjusted to the position of center line of index dial along with calibration rod, 0 spends some position, and this process completes making zero of cubing; S2, location clamp, and the bulb of bulb class part is partly positioned in locating device and coordinates location with locating device, keep club to be partly positioned at the center of index dial, bar portion are stuck in the draw-in groove of balladeur train, then by clamp device, bulb are partly clamped; S3, workpiece swing, and along the swing club part of bulb class part of index dial, club part drives pointer movement by balladeur train; S4, artificial reading, club partly swings to after extreme position, by operating personnel from dial reading, it is the scale value of pointed, after completing, club is partly swung to after other end extreme position to reading again, then, by club partial reset, unclamp clamp device, take off bulb class part, complete a process circulation.
Bulb deflection angle measurement device and measuring method that the embodiment of the present invention provides, replaced traditional bevel protractor to measure the scheme of pivot angle with special-purpose deflection angle measurement device, makes to have improved production run detection efficiency; Adopt definite value index dial, make reading convenient accurately; Aspect product placement, take full advantage of the appearance profile of workpiece, designed positioning and clamping device, can realize quick-clamping operation, improved measurement efficiency; Utilize coordinating of balladeur train and arc track, drive pointer to come and go mobile, on pointer, be provided with and can divide the draw-in groove that coordinates clamping with the club of bulb class part to be measured, while having realized workpiece swing, drive pointer movement, thereby read accurately scale value.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of embodiment of the present invention bulb deflection angle measurement device;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A portion enlarged drawing of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention bulb deflection angle measurement device and measuring method are described in detail.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.
Term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Fig. 1 is the structural representation of embodiment of the present invention bulb deflection angle measurement device, Fig. 2 is the left view of Fig. 1, with reference to Fig. 1, Fig. 2, a kind of bulb deflection angle measurement device, comprising: base 1, index dial assembly, described index dial assembly is arranged on described base 1, described index dial assembly comprises index dial 2 and indicating hand component 3, described indicating hand component 3 comprises balladeur train 31, one side of described balladeur train 31 is provided with pointer 32, opposite side relative with pointer 32 on described balladeur train 31 is provided with draw-in groove 33, described draw-in groove 33 can coordinate clamping with the club part 61 of bulb class part 6 to be measured, on described index dial 2, be carved with angle index line 21, distribution arrangement along angle index line 21 offers chute 22, described balladeur train 31 is equipped with described chute 22 and can slides along described chute 22, locating device 4, described locating device 4 be arranged on described base 1 and with the corresponding setting of zero degree groove of described angle index line 21, described locating device 4 can coordinate location with the bulb part 62 of bulb class part 6 to be measured, clamp device 5, described clamp device 5 is arranged on described base 1, and after the bulb part 62 of bulb class part 6 to be measured is located by described locating device 4, described clamp device 5 can clamp the bulb part of bulb class part 6 to be measured 62.
The bulb deflection angle measurement device that the embodiment of the present invention provides, has replaced traditional bevel protractor to measure the scheme of pivot angle with special-purpose deflection angle measurement device, makes to have improved production run detection efficiency; Adopt definite value index dial, can mock inspection and in conjunction with production environment, determine the size of index dial, be convenient to workman's easy reading under working environment, eliminate visual fatigue, make reading convenient accurately; Aspect product placement, take full advantage of the appearance profile of workpiece, designed the positioning and clamping device that can adapt with the ball head separation structure of bulb class part to be measured, realize quick-clamping operation, improved measurement efficiency; Utilize coordinating of balladeur train and arc track, drive pointer to come and go mobile, on indicating hand component, be provided with and can divide the draw-in groove that coordinates clamping with the club of bulb class part to be measured, when the club of bulb class part to be measured partly swings, can drive pointer movement, thereby can be convenient for measuring the limit pivot angle of bulb class part, and read accurately scale value.
Between described balladeur train 31 and described chute 22, can also can be connected for rolling for being slidably connected, the resistance being slidably connected during due to practical operation is large, therefore preferably adopts the connection of rolling to reduce friction.Can balladeur train be matched with arc track by roll wheel assembly.Make thus the balladeur train convenient along the movement of chute, laborsaving, the wearing and tearing that also reduced, the serviceable life of having improved parts.
Particularly, with reference to Fig. 3, described roll wheel assembly can comprise mandrel 34 and be sheathed on the roller 35 on mandrel, and described mandrel 34 is fixed on described balladeur train 31, and described roller 35 coordinates with described chute 22 rollings.Can realize thus balladeur train 31 coordinates with the rolling of chute 22.
As Fig. 2, shown in Fig. 3, index dial assembly can preferably be used following structure: described index dial 2 comprises positive 201, the back side 202 and end face 203, described end face 203 is arc-shaped surface, described angle index line 21 is arranged at the front 201 of described index dial 2 and along the contoured profile of the end face 203 of circular arc, along circular arc, distribute, described balladeur train 31 is arranged at the top of described index dial 2, described balladeur train 31 comprises horizontal integration face 311 and vertical faying face 312, described horizontal integration face 311 is corresponding with the end face 203 of described index dial 2, described vertical faying face 312 is corresponding with the back side 202 of described index dial 2, described chute 22 comprises the end face chute 221 that is arranged at index dial end face 203 and the back side chute 222 that is arranged at the index dial back side 202, end face chute 221 and back side chute 222 also all distribute along circular arc, described roll wheel assembly comprises the horizontal roller assembly on the horizontal integration face of being arranged at and is arranged at the vertical roll wheel assembly on vertical faying face, the roller 351 of described horizontal roller assembly rolls and coordinates with described end face chute 221, the roller 352 of described vertical roll wheel assembly rolls and coordinates with described back side chute 222.The index dial assembly of said structure, owing to being provided with two chutes and two groups of roll wheel assemblies, therefore when sweep hand, can limit balladeur train Shang Xia 31 and the swing of front and back, wherein, the cooperation of end face chute 221 and horizontal roller assembly can limit the swing of balladeur train 31, and back side chute 222 and the vertically cooperation of roll wheel assembly can limit swinging up and down of balladeur train 31.Thus, make the swing of pointer more steady, reading is also more accurate.
Alternatively, roller 35 can be used the roller of special making, also can use bearing to replace, in order to save cost and to make to roll more stable, preferably use angular contact ball bearing, because angular contact ball bearing can bear radial load and axial load simultaneously, therefore can make the swing of indicating hand component more stable.
The scope that arranges of scale mark can determine according to the actual conditions of product, such as general automobile by the pivot angle scope of bulb class part generally between 40 °～70 °, therefore when scale mark is set, the scale mark between 40 °～70 ° can be only set, to simplify technique.
The structure of locating device 4 can be according to the corresponding making of bulb part 62 structure of bulb class part 6 to be measured, as shown in Figure 1, can be made as cylindrical-shaped structure, and the sunk structure that the structure fabrication of upper end is adapted for bulb part 62 structures with bulb class part 6 to be measured, locating device 4 shown in Fig. 1 comprises set collar 41 and lower set collar 42, wherein descend set collar 42 to be fixed on base 1, upper set collar 41 is removably connected on lower set collar 42, bulb part 62 structures of the inner structure of upper set collar 41 and bulb class part 6 to be measured adapt, thus, when measuring the bulb class part of different structure, only need to change corresponding upper set collar 41, easy to operate and cost-saving.
As shown in Figure 1, described clamp device 5 can be made as following structure: comprise active grab 51 and the pressing plate 52 being connected with active grab 51, pressing plate 52 matches with the bulb part 62 of bulb class part 6 to be measured, when described active grab 51 is during in clamped condition, described active grab 51 can clamp with dynamic pressure plate 52 the bulb part 62 of bulb class part 6 to be measured.Use the combination of active grab 51 and pressing plate 52, make to clamp part to be measured convenient, operate simpler.
Preferably, because bulb class part comprises bulb part 62 and club part 61, for bulb part 62 is compressed, need to make pressing plate 52 dodge the bar part 61 of kicking off, as shown in Figure 2, can offer slotted hole 521 at the middle part of pressing plate 52, during use, the club part of bulb class part 6 to be measured 61 is arranged through described slotted hole 521, and make slotted hole 521 along the swaying direction setting of club part 61, the size of slotted hole 521 should enough be dodged the hunting range of the bar part 61 of kicking off, and club part 61 is not interfered with slotted hole 521 in swing process.Thus, can make pressing plate 52 better contact with the bulb part 62 of bulb class part the swing that compresses and can not affect club part 61.
In order to make balladeur train 31 not exceed the scope of chute 22 in swing process, prevent that balladeur train 31 from coming off, preferably at the two ends of chute 22, limited block 23 is set, limited block 23 can be arranged to the two sides of index dial 2, and scope covers back side chute 222 and end face chute 221, make to arrange a limited block 23 slip of spacing balladeur train 31 in two chutes simultaneously, provide cost savings.In like manner, also two chutes 22 all can be set to end-enclosed form, two ends are not exclusively open-minded, the more attractive in appearance but processing technology of design is convenient not as opening groove like this.
The embodiment of the present invention also provides a kind of bulb Different Deflection Angle Measurement, comprises the following steps:
S1, calibration are made zero, calibration club head is placed into and in locating device, coordinates location with locating device, the excellent bar portion of calibration one end is coordinated with the draw-in groove on balladeur train, now indicating hand component will be adjusted to the position of center line of index dial along with calibration rod, 0 spends some position, and this process completes making zero of cubing;
S2, location clamp, and the bulb of bulb class part is partly positioned in locating device and coordinates location with locating device, keep club to be partly positioned at the center of index dial, bar portion are stuck in the draw-in groove of balladeur train, then by clamp device, bulb are partly clamped;
S3, workpiece swing, and along the swing club part of bulb class part of index dial, club part drives pointer movement by balladeur train;
S4, artificial reading, club partly swings to after extreme position, by operating personnel from dial reading, it is the scale value of pointed, after completing, club is partly swung to after other end extreme position to reading again, then, by club partial reset, unclamp clamp device, take off bulb class part, complete a process circulation.
The bulb Different Deflection Angle Measurement that the embodiment of the present invention provides, has replaced traditional bevel protractor to measure the scheme of pivot angle with special-purpose deflection angle measurement device, makes to have improved production run detection efficiency; Adopt definite value index dial, can mock inspection and in conjunction with production environment, determine the size of index dial, be convenient to workman's easy reading under working environment, eliminate visual fatigue, make reading convenient accurately; Aspect product placement, take full advantage of the appearance profile of workpiece, designed the positioning and clamping device that can adapt with the ball head separation structure of bulb class part to be measured, realize quick-clamping operation, improved measurement efficiency; Utilize coordinating of balladeur train and arc track, drive pointer to come and go mobile, on indicating hand component, be provided with and can divide the draw-in groove that coordinates clamping with the club of bulb class part to be measured, when the club of bulb class part to be measured partly swings, can drive pointer movement, thereby can be convenient for measuring the limit pivot angle of bulb class part, and read accurately scale value.Whole detection method detection efficiency is high and measure accurate.
In the description of this instructions, specific features, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a bulb deflection angle measurement device, is characterized in that, comprising:
Base;
Index dial assembly, described index dial assembly is arranged on described base, described index dial assembly comprises index dial and indicating hand component, described indicating hand component comprises balladeur train, one side of described balladeur train is provided with pointer, opposite side relative with pointer on described balladeur train is provided with draw-in groove, described draw-in groove can divide and coordinate clamping with the club of bulb class part to be measured, on described index dial, be carved with angle index line, distribution arrangement along angle index line offers chute, and described balladeur train and described chute are equipped with and can slide along described chute;
Locating device, described locating device be arranged on described base and with the corresponding setting of zero degree groove of described angle index line, described locating device can divide with the ball head of bulb class part to be measured and coordinate location;
Clamp device, described clamp device is arranged on described base, and after the bulb of bulb class part to be measured is partly located by described locating device, described clamp device can partly clamp the bulb of bulb class part to be measured.
2. bulb deflection angle measurement device according to claim 1, is characterized in that, between described balladeur train and described chute, by roll wheel assembly, is rolled and is connected.
3. bulb deflection angle measurement device according to claim 2, is characterized in that, described roll wheel assembly comprises mandrel and be sheathed on the roller on mandrel, and described mandrel is fixed on described balladeur train, and described roller coordinates with described chute rolling.
4. bulb deflection angle measurement device according to claim 3, it is characterized in that, described index dial comprises front, the back side and end face, described end face is circular arc, described angle index line is arranged at the positive of described index dial and along the end face contoured profile of circular arc, described balladeur train is arranged at the top of described index dial, described balladeur train comprises horizontal integration face and vertical faying face, described horizontal integration face is corresponding with the end face of described index dial, described vertical faying face is corresponding with the back side of described index dial, described chute comprises the end face chute that is arranged at index dial end face and the back side chute that is arranged at the index dial back side, described roll wheel assembly comprises the horizontal roller assembly on the horizontal integration face of being arranged at and is arranged at the vertical roll wheel assembly on vertical faying face, the roller of described horizontal roller assembly rolls and coordinates with described end face chute, the roller of described vertical roll wheel assembly rolls and coordinates with described back side chute.
5. according to the bulb deflection angle measurement device described in claim 3 or 4, it is characterized in that, described roller is angular contact ball bearing.
6. bulb deflection angle measurement device according to claim 1, it is characterized in that, described locating device comprises set collar and lower set collar, described lower set collar is fixed on base, upper set collar is removably connected on lower set collar, and the ball head separation structure of the inner structure of upper set collar and bulb class part to be measured adapts.
7. bulb deflection angle measurement device according to claim 1, it is characterized in that, described clamp device comprises active grab, on active grab, be connected with pressing plate, pressing plate divides and coordinates with the ball head of bulb class part to be measured, when described active grab is during in clamped condition, described active grab can clamp with dynamic pressure plate the bulb part of bulb class part to be measured.
8. bulb deflection angle measurement device according to claim 7, it is characterized in that, the middle part of described pressing plate offers slotted hole, during use, the club of described bulb class part to be measured is partly through described slotted hole setting, described slotted hole is along the swaying direction setting of club part, and the size of slotted hole is not interfered club part in swing process with slotted hole.
9. bulb deflection angle measurement device according to claim 1, is characterized in that, the two ends of described chute are respectively equipped with limited block.
10. a bulb Different Deflection Angle Measurement, is characterized in that, comprises the following steps:
S1, calibration are made zero, calibration club head is placed into and in locating device, coordinates location with locating device, the excellent bar portion of calibration one end is coordinated with the draw-in groove on balladeur train, now indicating hand component will be adjusted to the position of center line of index dial along with calibration rod, 0 spends some position, and this process completes making zero of cubing;
S2, location clamp, and the bulb of bulb class part is partly positioned in locating device and coordinates location with locating device, keep club to be partly positioned at the center of index dial, bar portion are stuck in the draw-in groove of balladeur train, then by clamp device, bulb are partly clamped;
S3, workpiece swing, and along the swing club part of bulb class part of index dial, club part drives pointer movement by balladeur train;
S4, artificial reading, club partly swings to after extreme position, by operating personnel from dial reading, it is the scale value of pointed, after completing, club is partly swung to after other end extreme position to reading again, then, by club partial reset, unclamp clamp device, take off bulb class part, complete a process circulation.
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|---|---|---|---|
| CN201310742720.0A CN103697798B (en) | 2013-12-30 | 2013-12-30 | Measuring device and measuring method for swing angle of ball head |
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| CN201310742720.0A CN103697798B (en) | 2013-12-30 | 2013-12-30 | Measuring device and measuring method for swing angle of ball head |
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| CN103697798B CN103697798B (en) | 2017-03-22 |
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| CN108050919A (en) * | 2017-12-24 | 2018-05-18 | 中国航发贵州红林航空动力控制科技有限公司 | A kind of deflection angle measurement device |
| CN108106525A (en) * | 2018-02-06 | 2018-06-01 | 深圳腾千里科技有限公司 | A kind of angle measurement device |
| CN108151697A (en) * | 2017-12-25 | 2018-06-12 | 浙江德福精密驱动制造有限公司 | A kind of drive shaft assembly pivot angle detection instrument |
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| CN110261084A (en) * | 2019-06-25 | 2019-09-20 | 佛山智异科技开发有限公司 | A kind of bulb ball-and-socket connection kinematic pair interference judging method |
| CN111664774A (en) * | 2020-06-01 | 2020-09-15 | 东风汽车集团有限公司 | Portable wheel camber angle rapid detection device |
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