CN101774121B - Crank sprocket processing device capable of automatically detecting and correcting - Google Patents
Crank sprocket processing device capable of automatically detecting and correcting Download PDFInfo
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- CN101774121B CN101774121B CN2009101570317A CN200910157031A CN101774121B CN 101774121 B CN101774121 B CN 101774121B CN 2009101570317 A CN2009101570317 A CN 2009101570317A CN 200910157031 A CN200910157031 A CN 200910157031A CN 101774121 B CN101774121 B CN 101774121B
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Abstract
The invention discloses a crank sprocket processing device capable of automatically detecting and correcting, which comprises a spindle part and a material jacking part opposite to the spindle part; a measuring part and a correcting part are arranged above the spindle part; and the measuring part transmits a measurement signal to the correcting part. The crank sprocket processing device integrates the detection and correction of deviation of a crank sprocket, automatically processes the crank sprocket at one time, improves the quality of the crank sprocket, greatly reduces the condition that a chain of the crank sprocket easily falls off in the using process of a bicycle, prolongs the service life of the crank sprocket, the chain and other bicycle parts, and reduces the accident rate of the bicycle.
Description
Technical field
The present invention relates to a kind of bicycle processing unit (plant), relate in particular to a kind of crank sprocket processing device that can detect automatically and proofread and correct.
Background technology
To be bicycle be converted into the critical component of power with manpower to crank and chain-wheel, and crank and chain-wheel connects bicycle pedal on the one hand, connects bicycle chain on the other hand.In actual use, the chain of bicycle is very easy to come off from crank and chain-wheel, brings great inconvenience to the user; Wherein chain releasing reason is, elongated along with service time, and chain itself can elongate; Can strain chain through the skew wheel shaft for this point, and most important, also be difficult to keep in repair be; The out of plumb that when crank and chain-wheel is produced, has just had chain wheel face and footstalk, the deflection of sprocket wheel itself exists deviation chain slightly just to be very easy to come off; And be difficult to follow-up maintenance; Though now had some special crank and chain-wheels to address this problem, be 200510129798 disclosed a kind of bicycle cranksets like the patent No., this crank and chain-wheel has a plurality of sprocket wheels; On crank portion, have a plurality of arms that are the radiation extension for fixing aforementioned a plurality of sprocket wheels, also have the chain baffle plate.Though this technology can solve the chain releasing problem to a certain extent, it is based on the modification to this body structure of crank and chain-wheel, and the crank and chain-wheel structure has complicated, and each cost of bicycle has increased, and is not easy to extensive popularization.And present some that exist can only unilaterally be carried out the deviation measurement to crank and chain-wheel to the crank and chain-wheel process equipment, perhaps roughly adjust deviation, also combine the process equipment of measuring and adjusting.
Summary of the invention
For the chain that solves above-mentioned described existing bicycle comes off easily; The deviation that the chain wheel face occurred when crank and chain-wheel was produced, the out of plumb of chain wheel face and footstalk, and more existing crank and chain-wheel structures are numerous and diverse; A cost high-technology difficult problem; The present invention provides a kind of and can detect automatically simultaneously and the correction crank and chain-wheel, and the deviation that can make the chain wheel face makes the crank sprocket processing device that can detect automatically and proofread and correct of the chain wheel face crank and chain-wheel vertical with footstalk in the scope that requires.
The present invention realizes through following scheme.A kind of crank sprocket processing device that can detect automatically and proofread and correct is provided; Comprise spindle unit, the liftout parts relative with spindle unit, its special feature is; Described spindle unit top is provided with measurement component and correcting unit; Measurement component transmits measuring-signal and gives controller, and via controller is controlled correcting unit after analyzing computing, is provided with parts up and down in the side of spindle unit, measurement component and correcting unit; Parts comprise round rail support and the slide block up and down of being located at round rail support top up and down; Wherein round rail support is fixed with spindle unit, and slide block and measurement component and correcting unit are fixed up and down, the meter wheel acquisition measuring-signal of described measurement component through touching with the crank and chain-wheel flanked.Crank and chain-wheel is fixed between liftout parts and the spindle unit; Measurement component is measured the extent of deviation of crank and chain-wheel; Then measuring-signal is handled to calculate that correction signal is passed to correcting unit through controller, correcting unit is proofreaied and correct processing according to correction signal to crank and chain-wheel, and the effect of parts is lifting measurement component and correcting unit up and down; Thereby carry out the replacing of crank and chain-wheel; Meter wheel mainly plays the effect of reducing friction through the slowly passive rotation of crank and chain-wheel of rotation, and the lateral displacement of meter wheel promptly is the original measurement signal that measurement component obtains.
As preferably; Described measurement component comprises encoder, the measuring stick that is connected with described meter wheel, and encoder is connected through being with synchronously with measuring stick, and the other end of measuring stick is provided with pulley; And connection lever assembly; The lever assembly other end connect to be measured cylinder, describedly is fixed on the described slide block up and down through spring after walking around the synchronous pulley on the encoder with an end synchronously, and the other end is walked around pulley and is fixed on the holder that is located on the slide block up and down.Measuring cylinder slightly exerts pressure to measuring stick through lever assembly; Keep meter wheel to be close to crank and chain-wheel; Obtain accurate signal; Measuring stick is input to accurate one times measuring-signal in the encoder through the synchronous band of pulley pulling and encodes, and spring is kept the tension force of synchronous band, and the amount of movement of band is one times that measuring stick moves synchronously.
As preferably, described lever assembly through hinge with measure cylinder and be connected with measuring stick, and through the bearing pin rotation, the measurement cylinder is fixed on the lever assembly through cylinder block, about encoder is fixed on through measuring seat on the slide block.
As preferably; Described measurement component comprises the measuring stick that is connected with described meter wheel; The other end of measuring stick is connected with the measurement cylinder through cylinder block, measures the cylinder other end and connects joint cover, fixed grating chi sensing head on the joint cover; Grating chi sensing head connects the grating chi body of top, and grating chi body is fixed on the described slide block up and down through the grating mount pad.This programme is the another kind of preferred version of measurement component, and measuring stick is sent to grating chi body with displacement signal and carries out more accurate the measurement and coding.
As preferably; Described correcting unit comprises Calibration Head, proofreaies and correct slide block assembly, latch closure is at the correcting block of crank and chain-wheel both sides; Correcting block is positioned at the end of Calibration Head, and Calibration Head is fixed on to be proofreaied and correct on the slide block assembly, proofreaies and correct anchoring filament stem nut assembly in the slide block assembly inner chamber; Feed screw nut's assembly is connected with servomotor through shaft coupling, and the shaft coupling outside is with the axial restraint assembly.Servomotor receives correction signal adjustment rotation time, and feed screw nut's assembly changes axial length under the drive of servomotor, thus the torsion resistance that crank and chain-wheel is corrected in the correction of control end soon, and correcting block is that soft plastic is made.
As preferably, described spindle unit comprises location side's awl of main shaft, fixed crank sprocket wheel, and location side awl is located at the end of main shaft, and the bearing that is with outside main shaft is logical is installed in the main shaft supporting, and the main shaft other end passes through shaft coupling and is connected with servomotor.Servomotor drives main shaft and slowly rotates, and the crank and chain-wheel that is installed on location side's awl is also done slow rotation.
As preferably, also be with positioning sleeve outside the described main shaft, this positioning sleeve is positioned on the main shaft, and described servomotor is fixed on main shaft supporting through motor cabinet.The effect that is decided to be cover is through can make location side's awl be in the angle of convenient upper and lower material near switch.
As preferably; Described up and down parts comprise the supporting of lifting circle rail and the servomotor or the upper and lower air cylinders of slide block up and down; Also comprise run through up and down slide block and with the fixing round rail of circle rail support; Slide block is provided with handwheel up and down, and slide block was connected with circle rail support through rotary joint assembly about this handwheel penetrated.Servomotor or upper and lower air cylinders all can be used as the lifting equipment of parts up and down.Distance about the adjustment of use upper and lower air cylinders between slide block and the circle rail support is regulated through handwheel.Use the servomotor adjustment distance between the slide block circle rail support up and down, can realize that numerical control adjusts automatically.
As preferably; Described liftout parts comprise ejector beam, the liftout head relative with spindle unit; The liftout head is located at the end of ejector beam; Ejector beam is connected with the liftout supporting through the linear bearing that the outside is with, and the other end of ejector beam is connected with the liftout cylinder, and the liftout cylinder is fixed in the liftout supporting through the liftout cylinder block.Ejector beam cooperates and accomplishes the operation of changing crank and chain-wheel through the effect translation back and forth of liftout cylinder.
As preferably, also be provided with the discharging parts below the described spindle unit, spindle unit comprises main shaft, main shaft supporting; Described discharging parts comprise the discharging circle that is looped around the main shaft outside; The discharging circle is fixed on the discharging coil support, and the discharging coil support connects discharge arm, and the discharge arm outside is connected with main shaft supporting through the linear bearing that is with; The discharge arm other end connects the discharging cylinder, and the discharging cylinder is fixed on the discharging coil support through cylinder block.The discharging cylinder promotes that discharging is dried to be moved axially, and promotes the discharging circle and cooperates the replacing operation of accomplishing crank and chain-wheel.
The present invention has integrated the detection and the correction of crank and chain-wheel skew; The processing of automatic disposable completion crank and chain-wheel has improved the quality of crank and chain-wheel, has significantly reduced the situation that the chain of crank and chain-wheel in the bicycle use comes off easily; Prolonged the life-span of bicycle assembly parts such as crank and chain-wheel and chain; Reduced the accident rate that bicycle is made mistakes, also avoided increasing simultaneously the cost of crank and chain-wheel, the structure of complicated crank and chain-wheel because reducing the problem of chain releasing; Thereby the present invention can fundamentally solve the problem that bicycle chain comes off, and the design of automation also can meet large-scale production and processing.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is a kind of structural representations of the measurement component among the present invention;
Accompanying drawing 3 is another kind of structural representations of the measurement component among the present invention;
Accompanying drawing 4 is a kind of structural representations of the correcting unit among the present invention;
Accompanying drawing 5 is a kind of structural representations of the discharging parts among the present invention;
Accompanying drawing 6 is a kind of structural representations of the parts up and down among the present invention;
Accompanying drawing 7 is a kind of structural representations of the liftout parts among the present invention;
Accompanying drawing 8 is a kind of structural representations of the spindle unit among the present invention.
Accompanying drawing 9 is another kind of structural representations of the measurement component among the present invention;
Accompanying drawing 10 is a kind of vertical views of accompanying drawing 9.
Description of reference numerals:
Spindle unit 4, liftout parts 1, main shaft 42, crank and chain-wheel 3, location side's awl 41, bearing 44, main shaft supporting 49, shaft coupling 46; Servomotor 47, positioning sleeve 45, motor cabinet 48, ejector beam 12, liftout head 11, linear bearing 13, liftout supporting 16, liftout cylinder 15; Liftout cylinder block 14, encoder 69, meter wheel 61, measuring stick 62 is with 66 synchronously, and lever assembly 65 is measured cylinder 63, synchronous pulley 70; Spring 67, slide block 84 up and down, measure cylinder 64, cylinder block 63, measuring seat 68, joint cover 265, grating chi sensing head 268, grating chi body 267; Grating mount pad 266, pulley 269, holder 270, Calibration Head 72 is proofreaied and correct slide block assembly 73, correcting block 71, feed screw nut's assembly 74, shaft coupling 77; Servomotor 79, axial restraint assembly 76, parts 8 up and down, upper and lower air cylinders 81, circle rail support 82, circle rail 85, handwheel 86; Rotary joint assembly 83, discharging circle 51, discharging coil support 52, discharge arm 54, linear bearing 53, discharging cylinder 55, cylinder block 56.
The specific embodiment
Embodiment:
Present embodiment is a kind of crank sprocket processing device that can detect automatically and proofread and correct, and is as shown in Figure 1, comprises spindle unit 4; The liftout parts 1 relative with spindle unit; Spindle unit as shown in Figure 8 comprises location side's awl 41 of main shaft 42, fixed crank sprocket wheel 3, and location side's awl is located at the end of main shaft, and the bearing 44 that the logical outside of main shaft is with is installed in the main shaft supporting 49; The main shaft other end is connected with servomotor 47 through shaft coupling 46; The main shaft outside also is with positioning sleeve 45, and this positioning sleeve is positioned main shaft supporting, and described servomotor is fixed on the main shaft supporting through motor cabinet 48.As shown in Figure 7; The liftout parts comprise ejector beam 12, the liftout head 11 relative with spindle unit; The liftout head is located at the end of ejector beam; Ejector beam is connected with liftout supporting 16 through the linear bearing 13 that the outside is with, and the other end of ejector beam is connected with liftout cylinder 15, and the liftout cylinder is fixed in the liftout supporting through liftout cylinder block 14.
The spindle unit top is provided with measurement component and correcting unit, and is as shown in Figure 2, and measurement component transmits measuring-signal and gives correcting unit; Measurement component comprises encoder 69, meter wheel 61, the measuring stick 62 that is connected with meter wheel; The other end of measuring stick connect be with synchronously 66 with lever assembly 65, the lever assembly other end connects measures cylinder 63, synchronous pulley 70 backs walked around on the encoder of band are fixed on up and down on the slide block 84 through spring 67 synchronously; Lever assembly is connected with measuring stick with the measurement cylinder through hinge; And rotate through bearing pin, to measure cylinder 64 and be fixed on the lever assembly through cylinder block 63, encoder is fixed on up and down on the slide block through measuring seat 68.
As shown in Figure 3; The another kind of embodiment of measurement component is: measurement component comprises the measuring stick that is connected with described meter wheel; The other end of measuring stick is connected with the measurement cylinder through cylinder block, measures the cylinder other end and connects joint cover 265, fixed grating chi sensing head 268 on the joint cover; Grating chi sensing head connects the grating chi body 267 of top, and grating chi body is fixed on up and down on the slide block through grating mount pad 266.Grating also can adopt and hold grid, the replacement of magnetic grid isoline measurement mechanism.
As shown in Figure 9; The another kind of embodiment of measurement component is: measurement component comprises encoder 69, the measuring stick 62 that is connected with described meter wheel; Encoder and measuring stick are through be with 66 to be connected synchronously; The other end of measuring stick is provided with pulley 269, and connects lever assembly 65, and the lever assembly other end connects measures cylinder 63; Described synchronous pulley 70 back of walking around on the encoder with an end synchronously is fixed on the described slide block up and down through spring 67, and the other end is walked around pulley and is fixed on the holder 270 that is located on the slide block up and down.
As shown in Figure 4; Described correcting unit comprises Calibration Head 72, proofreaies and correct slide block assembly 73, latch closure is at the correcting block 71 of crank and chain-wheel both sides; Correcting block is positioned at the end of Calibration Head, and Calibration Head is fixed on to be proofreaied and correct on the slide block assembly, proofreaies and correct anchoring filament stem nut assembly 74 in the slide block assembly inner chamber; Feed screw nut's assembly is connected with servomotor 79 through shaft coupling 77, and the shaft coupling outside is with axial restraint assembly 76.
As shown in Figure 6; Be provided with parts 8 up and down in the side of spindle unit, measurement component and correcting unit; Parts comprise round rail support 82 and the slide block up and down 84 of being located at round rail support top up and down, and wherein round rail support and spindle unit are fixed, and slide block and measurement component and correcting unit are fixed up and down; Parts comprise lifting circle rail support and the servomotor or the upper and lower air cylinders 81 of slide block up and down up and down; Also comprise run through slide block up and down and with the fixing round rail 85 of circle rail support 82, slide block is provided with handwheel 86 up and down, this handwheel penetrates up and down that slide block is connected with round rail support 82 through rotary joint assembly 83.
As shown in Figure 5; The spindle unit below also is provided with the discharging parts, and the discharging parts comprise the discharging circle 51 that is looped around the main shaft outside, and the discharging circle is fixed on the discharging coil support 52; The discharging coil support connects discharge arm 54; The discharge arm outside is connected with main shaft supporting through the linear bearing 53 that is with, and the discharge arm other end connects discharging cylinder 55, and the discharging cylinder is fixed on the main shaft supporting 49 through cylinder block 56.
Described measurement component obtains measuring-signal through the meter wheel that touches with the crank and chain-wheel flanked; Measuring-signal passes to encoder or grating chi through measuring stick; Coding through measurement component is treated as correction signal with measuring-signal and passes to correcting unit; Correcting unit is regulated the position of correcting block through feed screw nut's level in-migration, thereby proofreaies and correct crank and chain-wheel.
In process, at first liftout parts running retracts ejector beam through the liftout cylinder; Positioning sleeve at liftout head and spindle unit forms the space then, and crank and chain-wheel is put into this space, and is installed on location side's awl; The liftout cylinder is pushed ahead ejector beam then, fixes crank and chain-wheel.Main shaft rotates slowly, and rotating speed is approximately per minute 60-240 circle, in rotary course, measures cylinder and remains the suitable pressure of meter wheel to crank and chain-wheel; After the about 5-20 of each crank and chain-wheel measurement and correction of second, spindle unit stops, and parts carry out lifting up and down; Can handwheel be adjusted according to dissimilar crank and chain-wheels, the liftout parts break away from spindle unit simultaneously; After more finishing changing crank and chain-wheel, close up again, and parts carry out second processing about putting down.
Claims (8)
1. crank sprocket processing device that can detect automatically and proofread and correct; Comprise spindle unit (4); The liftout parts (1) relative with spindle unit; It is characterized in that: described spindle unit top is provided with measurement component (6) and correcting unit (7), and measurement component transmits measuring-signal and gives correcting unit, is provided with parts (8) up and down in the side of spindle unit, measurement component and correcting unit; Parts comprise round rail support (82) and are located at the slide block up and down (84) of round rail support top up and down; Wherein round rail support is fixed with spindle unit, and slide block and measurement component and correcting unit are fixed up and down, meter wheel (61) the acquisition measuring-signal of described measurement component through touching with crank and chain-wheel (3) flanked;
The measuring stick (62) that described measurement component comprises encoder (69), is connected with described meter wheel; Encoder is connected through being with (66) synchronously with measuring stick; The other end of measuring stick is provided with pulley (269); And connection lever assembly (65); The lever assembly other end connect to be measured cylinder (63), and described synchronous pulley (70) back of walking around on the encoder with an end synchronously is fixed on the described slide block up and down through spring (67), the other end walk around pulley be fixed on be located at about on the holder (270) on the slide block;
Described correcting unit comprises Calibration Head (72), proofreaies and correct slide block assembly (73), latch closure is at the correcting block (71) of crank and chain-wheel both sides; Correcting block is positioned at the end of Calibration Head; Calibration Head is fixed on to be proofreaied and correct on the slide block assembly; Proofread and correct anchoring filament stem nut assembly (74) in the slide block assembly inner chamber, feed screw nut's assembly is connected with servomotor (79) through shaft coupling (77), and the shaft coupling outside is with axial restraint assembly (76).
2. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 1; Described lever assembly is connected with measuring stick with the measurement cylinder through hinge; And through the bearing pin rotation; Measure cylinder and be fixed on the lever assembly, about encoder is fixed on through measuring seat (68) on the slide block through cylinder block (64).
3. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 1; Described spindle unit comprises location side's awl (41) of main shaft (42), fixed crank sprocket wheel; Location side's awl is located at the end of main shaft; The bearing that main shaft is with through the outside (44) is installed in the main shaft supporting (49), and the main shaft other end is connected with servomotor (47) through shaft coupling (46).
4. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 3, the described main shaft outside also is with positioning sleeve (45), and this positioning sleeve is positioned on the main shaft, and described servomotor is fixed on the main shaft supporting through motor cabinet (48).
5. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 1; Described up and down parts comprise lifting circle rail support and the servomotor or the upper and lower air cylinders (81) of slide block up and down; Also comprise run through up and down slide block and with the fixing round rail (85) of circle rail support; Slide block is provided with handwheel (86) up and down, and slide block (84) was connected with circle rail support (82) through rotary joint assembly (83) about this handwheel penetrated.
6. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 1; Described liftout parts comprise ejector beam (12), the liftout head (11) relative with spindle unit; The liftout head is installed in the end of ejector beam through bearing; The linear bearing that ejector beam is with through the outside (13) is connected with liftout supporting (16), and the other end of ejector beam is connected with liftout cylinder (15), and the liftout cylinder is fixed in the liftout supporting through liftout cylinder block (14).
7. the crank sprocket processing device that can detect automatically and proofread and correct according to claim 1; Described spindle unit below also is provided with discharging parts (5); Spindle unit comprises main shaft, main shaft supporting, and described discharging parts comprise the discharging circle (51) that is looped around the main shaft outside, and the discharging circle is fixed on the discharging coil support (52); The discharging coil support connects discharge arm (54); The discharge arm outside is connected with main shaft supporting through the linear bearing (53) that is with, and the discharge arm other end connects discharging cylinder (55), and the discharging cylinder is fixed on the main shaft supporting through cylinder block (56).
8. crank sprocket processing device that can detect automatically and proofread and correct; Comprise spindle unit (4); The liftout parts (1) relative with spindle unit; It is characterized in that: described spindle unit top is provided with measurement component (6) and correcting unit (7), and measurement component transmits measuring-signal and gives correcting unit, is provided with parts (8) up and down in the side of spindle unit, measurement component and correcting unit; Parts comprise round rail support (82) and are located at the slide block up and down (84) of round rail support top up and down; Wherein round rail support is fixed with spindle unit, and slide block and measurement component and correcting unit are fixed up and down, meter wheel (61) the acquisition measuring-signal of described measurement component through touching with crank and chain-wheel (3) flanked;
Described measurement component comprises: the measuring stick (62) that is connected with described meter wheel; The other end of measuring stick is connected with measurement cylinder (63) through cylinder block; Measure the cylinder other end and connect joint cover (265); Fixed grating chi sensing head (268) on the joint cover, grating chi sensing head connects the grating chi body (267) of top, and grating chi body is fixed on the described slide block up and down through grating mount pad (266);
Described correcting unit comprises Calibration Head (72), proofreaies and correct slide block assembly (73), latch closure is at the correcting block (71) of crank and chain-wheel both sides; Correcting block is positioned at the end of Calibration Head; Calibration Head is fixed on to be proofreaied and correct on the slide block assembly; Proofread and correct anchoring filament stem nut assembly (74) in the slide block assembly inner chamber, feed screw nut's assembly is connected with servomotor (79) through shaft coupling (77), and the shaft coupling outside is with axial restraint assembly (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101570317A CN101774121B (en) | 2009-12-31 | 2009-12-31 | Crank sprocket processing device capable of automatically detecting and correcting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101570317A CN101774121B (en) | 2009-12-31 | 2009-12-31 | Crank sprocket processing device capable of automatically detecting and correcting |
Publications (2)
| Publication Number | Publication Date |
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| CN101774121A CN101774121A (en) | 2010-07-14 |
| CN101774121B true CN101774121B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101570317A Expired - Fee Related CN101774121B (en) | 2009-12-31 | 2009-12-31 | Crank sprocket processing device capable of automatically detecting and correcting |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6091826B2 (en) | 2012-09-25 | 2017-03-08 | 三菱重工業株式会社 | Processing device control device, processing device, and processing data correction method |
| CN104942625B (en) * | 2014-03-27 | 2017-12-15 | 南京泉峰汽车精密技术股份有限公司 | Positioner suitable for processing sprocket wheel |
| CN104842131B (en) * | 2014-12-06 | 2017-01-04 | 重庆溯联汽车零部件有限公司 | Locator card automatic assembling machine |
| CN110919529B (en) * | 2019-11-25 | 2021-06-04 | 安徽科创新能源科技有限责任公司 | Automatic feeding and discharging device for motor rotor shaft machining |
| CN111843475B (en) * | 2020-07-23 | 2024-05-17 | 佛山市本吉智能科技有限公司 | Hydro-cylinder kludge of hydraulic buffer hinge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184191Y (en) * | 1994-03-24 | 1994-11-30 | 卢锡璋 | Tilted angle corrector with fixing rack for wheel |
| CN2341120Y (en) * | 1998-06-29 | 1999-09-29 | 庄添财 | Automatic tester for unbalance of wheel |
| US6293025B1 (en) * | 1997-11-12 | 2001-09-25 | Technologies Reasearch Holding S.A. | Method for verifying and measuring double-toothing sprocket wheels and device for carrying out the method |
| CN201618960U (en) * | 2009-12-31 | 2010-11-03 | 金华金锐科技发展有限公司 | Crank chain-wheel processing device capable of being automatically detected and corrected |
-
2009
- 2009-12-31 CN CN2009101570317A patent/CN101774121B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184191Y (en) * | 1994-03-24 | 1994-11-30 | 卢锡璋 | Tilted angle corrector with fixing rack for wheel |
| US6293025B1 (en) * | 1997-11-12 | 2001-09-25 | Technologies Reasearch Holding S.A. | Method for verifying and measuring double-toothing sprocket wheels and device for carrying out the method |
| CN2341120Y (en) * | 1998-06-29 | 1999-09-29 | 庄添财 | Automatic tester for unbalance of wheel |
| CN201618960U (en) * | 2009-12-31 | 2010-11-03 | 金华金锐科技发展有限公司 | Crank chain-wheel processing device capable of being automatically detected and corrected |
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| CN101774121A (en) | 2010-07-14 |
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