CN102095392B - Camshaft measurement machine for dynamically measuring specific parameter of camshaft - Google Patents
Camshaft measurement machine for dynamically measuring specific parameter of camshaft Download PDFInfo
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- CN102095392B CN102095392B CN2010105687765A CN201010568776A CN102095392B CN 102095392 B CN102095392 B CN 102095392B CN 2010105687765 A CN2010105687765 A CN 2010105687765A CN 201010568776 A CN201010568776 A CN 201010568776A CN 102095392 B CN102095392 B CN 102095392B
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Abstract
The invention relates to a camshaft measurement machine for dynamically measuring a specific parameter of a camshaft, which belongs to detection equipment and is used for measuring a camshaft used by a multi-cylinder overhead-camshaft engine, and the measured specific parameter is the distance from the bottom of the cam base circle of each camshaft to the generatrix of a shaft neck at a corresponding cam nose bit side. The camshaft measurement machine comprises an electrical control system, a computer assisted measurement system, a left tip assembly, a right tip assembly, and a measuring head provided with a transducer, wherein the left tip assembly and the right tip assembly are arranged on a baseplate in a sliding manner. The measurement is carried out under the support of the electrical control system; each cam and each shaft neck are measured by a corresponding transducer; during measurement, the camshaft rotates by one circle and a half under the driving of a motor so that the transducers can measure the cams and the shaft necks; and the computer assisted measurement system calculates the distance from the bottom of each cam base circle to the generatrix of each neck shaft at the cam nose bit side according to the measured data from the corresponding transducer. The camshaft measurement machine has the advantages of high degree of automation, high measurement accuracy, high detection speed and convenience for operation.
Description
Technical field
The invention belongs to checkout equipment, relate to a kind of camshaft measuring machine of kinetic measurement camshaft special parameter.
Background technology
Camshaft is one of motor car engine five big core components; Its function is regularly to open and close by certain movement rule control valve group; To guarantee the correct port timing of engine, make incoming mixture get into cylinder in time, waste gas after burning is discharged cylinder in time.The size of camshaft key position, morpheme are to influence the principal element that engine valve opens and closes gap length and distribution efficient.
For guaranteeing the engine operate as normal; Need to reserve suitable valve clearance in the engine assembling process, to the air valve structure analysis before and after the assembling, camshaft is after being assembled to cylinder cap and locking FE Tiler; Camshaft is under the effect of valve spring power; To be in cam journal hole upside is the bus position, top of FE Tiler, and the valve clearance is the distance of side bus to valve tappet upper surface under the cam base circle at this moment, shown in Figure 13 d.The apolegamy principle of valve tappet is shown in figure 13.
The distance at journal hole top to valve lifter top on
A--cylinder cap is shown in a among Figure 13
The distance of
B--camshaft overhead cam basic circle bus to nose side shaft journal bus is shown in b among Figure 13
In order to select the valve tappet of suitable thickness, need dope the tappet thickness T, then need measure top, cylinder cap overhead cam axle journal hole bus to valve lifter top distance A, cam base circle bus to peach point side shaft journal bus apart from B.Realize measurement to these two parameters; Need cylinder cap measuring machine and camshaft measuring machine; The cylinder cap measuring machine is measured top, cam journal hole bus to the valve lifter distance from top, and the camshaft measuring machine is measured the distance of camshaft basic circle bus to peach point side shaft journal bus, and Computer Assisted Measurement System calculates and provide valve tappet thickness according to these two measurement results; Then according to the valve tappet thickness measure tappet that provides, to select the tappet of suitable thickness.
Summary of the invention
The objective of the invention is in order to solve above-mentioned existing problem; Design provides a kind of camshaft measuring machine of measuring the multicylinder engine camshaft; Satisfy the specific (special) requirements that engine valve clearance control operation camshaft is measured, realize kinetic measurement, reach camshaft high precision, the quick purpose of measuring apart from B to cam base circle bus to peach point side shaft journal bus; Supporting with the cylinder cap measuring machine, accomplish the apolegamy of valve tappet.
The objective of the invention is to realize like this:
A kind of camshaft measuring machine of kinetic measurement camshaft special parameter comprises electric control system, Computer Assisted Measurement System, and substrate is packed on the stand; The top assembly in a left side is packed in the left skateboard upper surface; Left handle is packed on left skateboard one side, and pin handle, spring, positioning pin rod can be fitted in the set pin sleeve up and downly, and set pin sleeve is installed on the left skateboard; Location key seat is packed in the left end of substrate; Position measuring point installing plate is installed on the side of left skateboard, and position measuring point installing plate is provided with admission cam shaft position measuring point sign and exhaust cam shaft position sensor sign, on substrate, is fixed with admission cam shaft position sensor, exhaust cam shaft position sensor accordingly; Left rail is packed in the left part of substrate, and left rail and left skateboard be matched together slidably; Right top assembly is packed on the upper surface of motor plate; Motor is packed on the side of motor plate; Big profile of tooth belt wheel is packed on the right top assembly axle head, and motor is connected with big profile of tooth belt wheel through cog belt, and motor plate is installed in the upper surface of right slide plate; Right guide rail is packed in the right part of substrate, and right guide rail and right slide plate be matched together slidably; Right handles is connected with right slide plate through connecting rod; The stiff end of connecting rod is fitted in an end of connecting rod rotation axis rotationally; Connecting rod rotation axis is fitted on the substrate through rotary axle box; Spring carrier arm is packed in the lower surface of right slide plate, and the spring stay column is packed in the middle part of substrate, and the two ends of extension spring are mounted on spring carrier arm and spring stay column respectively; Oscillating cylinder is packed in the stand rearward end through the oscillating cylinder installing plate; The crank of oscillating cylinder flexibly connects through crankshaft and push-and-pull connecting rod, and the push-and-pull connecting rod flexibly connects through rotating shaft and linking arm, and linking arm is packed on the backing plate right flank; The left surface of backing plate is fixed with the position sensing accessory plate; On position sensing accessory plate side, substrate, be fixed with back position transducer and front position sensor, preceding side buffer is arranged on the extended line of position sensing accessory plate, preceding side buffer is packed on the substrate; On the upper surface of sliding platform, front and back sliding platform and front and back rail plate be matched together slidably before and after backing plate was packed in; The sensor installing plate is packed in the erection column upper end; Erection column is installed in the backing plate upper surface; On double-strand chain sensor fixed arm, peach point capture sensor, the axle journal under side senser, the axle journal side senser be fitted in accordingly on the sensor installing plate; The cam survey sensor is installed on the double-strand chain sensor fixed arm, and side senser is positioned at the both sides of camshaft axis under cam survey sensor and the axle journal, has 3 groups; Double-strand chain transducer probe assembly, double-strand chain sensor measurement arm and double-strand chain sensor fixed arm matched together, peach point capture sensor gauge head and peach point capture sensor matched together; Control enclosure is installed on the front side portion of stand.
The invention has the advantages that, utilize the measuring machine of kinetic measurement camshaft special parameter can realize high precision, measurement fast camshaft, easy to operate, the needs of be highly suitable for the production line high precision, measuring fast.
Description of drawings
Fig. 1 is a structural front view of the present invention
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is that the A-A of Fig. 2 is to cut-open view
Fig. 4 is that the C-C of Fig. 1 is to cut-open view
Fig. 5 is that the E-E of Fig. 3 is to cut-open view
Fig. 6 is that the F-F of Fig. 5 is to cut-open view
Fig. 7 is that the O-O of Fig. 3 is to cut-open view
Fig. 8 is that the B-B of Fig. 2 is to cut-open view
Fig. 9 is the measuring head vertical view that sensor is installed among Fig. 2
Figure 10 is the sensor construction figure that measures the cam position
Figure 11 is the sensor construction figure of measurement axis neck position
Figure 12 is a camshaft measuring machine system chart
Figure 13 is the apolegamy schematic diagram of valve tappet
Figure 14 is the survey sensor layout
Figure 15 is a software flow pattern
Piece number explanation among the figure:
1, stand, 2, substrate, 3, left top assembly, 4, left skateboard, 5, right top assembly, 6, big profile of tooth belt wheel, 7, motor plate, 8, right slide plate, 9, spring carrier arm, 10, extension spring, 11, the spring stay column; 12, left rail, 13, position measuring point installing plate, 14, admission cam shaft position measuring point sign; 15, exhaust cam shaft position measuring point sign, 16, the admission cam shaft position sensor, 17, the exhaust cam shaft position sensor; 18, motor, 19, cog belt, 20, right guide rail; 21, erection column, 22, right handles, 23, connecting rod, 24, control enclosure; 25, location key seat, 26, set pin sleeve, 27, positioning pin rod, 28, spring, 29, pin handle, 30, left handle; 31, position sensing accessory plate, 32, backing plate, 33, the front and back sliding platform, 34, the push-and-pull connecting rod; 35, crankshaft, 36, crank, 37, oscillating cylinder, 38, the oscillating cylinder installing plate; 39, rotating shaft, 40, linking arm, 41, the front and back rail plate; 42, preceding side buffer, 43, the front position sensor, 44, the back position transducer; 45, rotary axle box, 46, connecting rod rotation axis; 47, sensor installing plate; 48, side senser on the axle journal, 49, double-strand chain sensor measurement arm; 50, double-strand chain sensor fixed arm, 51, the double-strand chain transducer probe assembly, 52, peach point capture sensor gauge head, 53, the cam survey sensor, 54, peach point capture sensor; 55, side senser under the axle journal.
Embodiment:
Angle between every group of cam of the used camshaft of 3 Cylinder engines is 120 degree each other, and static measurement then sensor can't be arranged, therefore need camshaft be rotated and carry out kinetic measurement; The present invention also is applicable to the used camshaft of multi-cylinder Cylinder engine is measured simultaneously.Below in conjunction with accompanying drawing embodiment of the present invention is elaborated.
The structure and layout of 1 sensor
1.1 sensor construction
Parameter to be measured is the distance of the bottom of the cam base circle shown in the b to corresponding nose side cam journal side among Figure 13; Measurement to this distance; Need in the kinetic measurement process, catch the nose position, design the indication sensor of the position that is used to catch nose, shown in the point of the peach among Figure 10 capture sensor 54; Be used to indicate the basic circle position of nose correspondence, the distance of cam base circle bus to the peach point side shaft journal bus that calculates in this position.
Shown in b among Figure 13; The radius ratio radius of cam base-circle of cam is a lot of greatly, and for the camshaft of model to be measured, both differ 5 millimeters; Therefore; Designed special measurement structure, the sensor of measuring cam base circle adopts dual hinge structure, is made up of the double-strand chain sensor measurement arm 49 among Figure 10, double-strand chain sensor fixed arm 50, double-strand chain transducer probe assembly 51, cam survey sensor 53.In the camshaft rotary course, double-strand chain transducer probe assembly 51 contacts with cam contour all the time, and this structure has bigger stroke at the nose place, can guarantee the accuracy when measuring at the cam base circle place again.
After the signal of side senser 48 is handled by sensor signal processing system on peach point capture sensor 54 and cam survey sensor 53 and the axle journal; Convert digital signal to through the AD card and give computing machine; Find out the numbering of the corresponding peach point position of the displacement signal of peach point capture sensor 54 by Survey Software according to algorithm, find the solution the distance of cam base circle bottom to corresponding nose side cam journal side then.
1.2 the layout of survey sensor
According to Figure 13 b and Figure 10, placement sensor is shown in figure 14.
Explanation about Figure 14:
(1) i=1,2,3 represent the camshaft journal sequence number;
J=1,2j=1 represent the left cam base circular horn of certain sequence number i axle journal, and j=2 represents right cam base circular horn.
(2) t (E)
i, t (I)
iThe sensor displacement of exhaust, air inlet side sequence number i axle journal is measured in expression respectively.
(3) t (E)
I, j, t (I)
I, jThe bus of representing exhaust, air inlet side sequence number i axle journal nose side respectively is to the distance between certain corresponding sequence number j cam base circle bottom bus of this axle journal.
(4) r (E)
i, r (I)
iThe sensor of the cam of expression indication exhaust respectively, air inlet side sequence number i axle journal correspondence.
Dimension D (E)
I, jAnd dimension D (I)
I, jBe that the camshaft measuring machine is wanted measured dimensions, represent the distance of cam base circle to nose side shaft journal.Use camshaft for 3 cylinder machines, i has only 1,2, and 3.
The system of 2 camshaft measuring machines forms
The camshaft measuring machine is made up of measuring machine body, camshaft master body, pneumatic system, control system, Computer Assisted Measurement System etc., and is shown in figure 12.
Camshaft measuring machine and cylinder cap measuring machine are all the part of valve clearance control system, and shared pneumatic system, electric control system, Computer Assisted Measurement System are accomplished the measurement to camshaft and cylinder cap respectively.Camshaft measuring machine one-shot measurement can be accomplished the measurement of the distance of a plurality of basic circles and respective major axes neck on the same camshaft.Camshaft measuring machine measurement mechanism such as Fig. 1 are to shown in Figure 11.
A kind of camshaft measuring machine of kinetic measurement camshaft special parameter comprises electric control system, Computer Assisted Measurement System, and substrate 2 is packed on the stand 1; The top assembly 3 in a left side is packed in left skateboard 4 upper surfaces; Left handle 30 is packed on left skateboard 4 one sides; Pin handle 29, spring 28, positioning pin rod 27 can be fitted in the set pin sleeve 26 up and downly; Set pin sleeve 26 is installed on the left skateboard 4, and location key seat 25 is packed in the left end of substrate 2, and position measuring point installing plate 13 is installed on the side of left skateboard 4; Position measuring point installing plate 13 is provided with admission cam shaft position measuring point sign 14 and exhaust cam shaft position sensor sign 15; On substrate 2, be fixed with admission cam shaft position sensor 16, exhaust cam shaft position sensor 17 accordingly, left rail 12 is packed in the left part of substrate 2, and left rail 12 and left skateboard 4 be matched together slidably; Right top assembly 5 is packed on the upper surface of motor plate 7; Motor 18 is packed on the side of motor plate 7; Big profile of tooth belt wheel 6 is packed on right top assembly 5 axle heads, and motor 18 is connected with big profile of tooth belt wheel 6 through cog belt 19, and motor plate 7 is installed in the upper surface of right slide plate 8; Right guide rail 20 is packed in the right part of substrate 2, and right guide rail 20 and right slide plate 8 be matched together slidably; Right handles 22 is connected with right slide plate 8 through connecting rod 23; The stiff end of connecting rod 23 is fitted in an end of connecting rod rotation axis 46 rotationally; Connecting rod rotation axis 46 is fitted on the substrate 2 through rotary axle box 45; Spring carrier arm 9 is packed in the lower surface of right slide plate 8, and spring stay column 11 is packed in the middle part of substrate 2, and the two ends of extension spring 10 are mounted on spring carrier arm 9 and spring stay column 11 respectively; Oscillating cylinder 37 is packed in stand 1 rearward end through oscillating cylinder installing plate 38; The crank 36 of oscillating cylinder 37 flexibly connects through crankshaft 35 and push-and-pull connecting rod 34; Push-and-pull connecting rod 34 flexibly connects through rotating shaft 39 and linking arm 40; Linking arm 40 is packed on backing plate 32 right flanks, and the left surface of backing plate 32 is fixed with position sensing accessory plate 31, on position sensing accessory plate 31 sides, substrate 2, is fixed with back position transducer 44 and front position sensor 43; Side buffer 42 before on the extended line of position sensing accessory plate 31, having; Preceding side buffer 42 is packed on the substrate 2, and on the upper surface of sliding platform 33, front and back sliding platform 33 and front and back rail plate 41 be matched together slidably before and after backing plate 32 was packed in; Sensor installing plate 47 is packed in erection column 21 upper ends; Erection column 21 is installed in backing plate 32 upper surfaces; On double-strand chain sensor fixed arm 50, peach point capture sensor 54, the axle journal under side senser 48, the axle journal side senser 55 be fitted in accordingly on the sensor installing plate 47; Cam survey sensor 53 is installed on the double-strand chain sensor fixed arm 50, and side senser 55 is positioned at the both sides of camshaft axis under cam survey sensor 53 and the axle journal, has 3 groups; Double-strand chain transducer probe assembly 51, double-strand chain sensor measurement arm 49 and double-strand chain sensor fixed arm 50 matched togethers, peach point capture sensor gauge head 52 and peach point capture sensor 54 matched togethers; Control enclosure 24 is installed on the front side portion of stand 1.
A kind of camshaft measuring machine of kinetic measurement camshaft special parameter; Comprise electric control system, Computer Assisted Measurement System; Also comprise measuring head that survey sensor is installed, adjustable positions whole top, drive the motor that rotating shaft is rotated; Measured workpiece be placed in two top between, driven by motor camshaft rotation, sensor carries out signal sampling in the camshaft rotary course.
The position of the top assembly in a left side 3, right top assembly 5 can be adjusted according to the type of camshaft, and left top assembly 3 present positions are measured by admission cam shaft position sensor 16, exhaust cam shaft position sensor 17.
The position of the top assembly 3 in a left side is by positioning pin rod 27 lockings, and right top assembly 5 compresses camshaft under the effect of extension spring 10.
The measuring head present position is measured by front position sensor 43, back position transducer 44.
The measurement action is caught sensor 52 by the peach point of side senser 55, seizure nose under side senser 48, the axle journal on the axle journal of the cam survey sensor of measuring cam base circle 53 and double-strand chain sensor measurement arm 49, measurement axle journal and is accomplished.
The position of nose is caught sensor 54 by the peach point and is measured and catch.
Measuring process is controlled by electric control system, and measuring process is following:
(1) left skateboard 4 being pulled to the relevant position also pins with positioning pin rod 27;
(2) with measured workpiece by prescribed direction be placed in two the location top between;
(3) right slide plate 8 is pulled to the right side, makes right top jacking camshaft pilot hole then, loose one's grip the back right slide plate 8 under the effect of extension spring 10 with the tightening of camshaft workpiece clamp in and two top between.
(4) both hands are pressed the starting switch on the control enclosure 24, and electric control system has the measuring head of survey sensor to move to the measuring position through oscillating cylinder 37 drive installations after receiving the measurement commencing signal;
(5) electric control system is judged the camshaft type of camshaft to be measured according to the signal of admission cam shaft position sensor 16, exhaust cam shaft position sensor 17; Judge according to the front position sensor 43 and the signal of back position transducer 44 whether camshaft to be measured is in the measuring position; If camshaft has been in the measurement state; Electric control system is then sent corresponding signalisation Computer Assisted Measurement System and is begun to measure, and the type of camshaft is sent to Computer Assisted Measurement System;
(6) electric control system drive motor 18 drive camshafts rotate a circle and a half, and in the camshaft rotary course, corresponding displacement will take place for each basic circle and axle journal corresponding sensor, the signal of Computer Assisted Measurement System record all the sensors;
(7) Computer Assisted Measurement System is found out the position of nose according to the process of measurement of setting in advance; Calculating is corresponding to the distance of cam base circle to the peach of nose position point side shaft journal bus, and on computer screen, shows measurement result according to the camshaft type.
The design of 3 Survey Software
The software algorithm flow process is shown in figure 15.
The measuring process of camshaft is following; After the rotation of driven by motor camshaft; The signaling computing machine begins sampling; Driven by motor camshaft rotation 540 degree, the signaling computing machine finishes sampling, and computing machine pick-up transducers displacement signal is also preserved in the camshaft rotary course; Corresponding sensor signal sequence number when Survey Software is obtained indication sensor displacement maximal value according to algorithm is according to the distance of this sequence number corresponding sensor displacement signal calculating cam base circle bottom to respective major axes neck symmetry side.
4 data analyses
Camshaft measuring machine repeatability and accuracy are whether system is stable and measure basicly accurately, and the repeatability and the accuracy of camshaft measuring machine are tested and analyzed.
4.1 reperformance test
With camshaft intermediate value master body the camshaft measuring machine is carried out system school zero, with the camshaft master body measuring machine is carried out the measuring repeatability test then, the measuring repeatability test data is seen table 1.
Table 1 measuring repeatability data (mm)
Cam on the corresponding successively camshaft of the every column data of table 1, his-and-hers watches 1 each column data is asked standard variance, and maximum standard variance is 0.0006mm, so the camshaft uncertainty of measurement is ± 0.0018mm.
4.2 accuracy test
More than poor, allowance below nominal size camshaft master body is measured camshaft and the accuracy test data of carrying out is seen table 2.
Table 2 measurement standard exemplar accuracy test data (mm)
By institute's column data in the table 2, the measurement of camshaft measuring machine is gone up error poor, allowance below nominal size camshaft master body and is 0.002mm to the maximum.
With the camshaft workpiece accuracy test data that the camshaft measuring machine carries out is seen table 3.
Table 3 measuring workpieces accuracy test data (mm)
By institute's column data in the table 3, add clearance gauge at basic circle, axle journal, basic circle, journal feature amount change pairing measurement data and change basically identical, and maximum error was 0.004mm when measurement features changed 0.08mm.
5 conclusions
Dedicated cam axle measuring machine provided by the present invention Installation and Debugging finishes, and measuring repeatability is measured accuracy 0.004mm less than 0.002mm during variable in distance 0.08mm; Measuring process is stable; It is 20 seconds that 3 cylinders are used the measurement beat of camshaft, and measuring speed is fast, can satisfy requirement in enormous quantities on the engine general assembly line, quick, high-acruracy survey; This system uses in the production scene, has improved the efficiency of engine assembling greatly.
The detailed process of kinetic measurement camshaft special parameter is following:
System school zero
Before measuring, at first use the camshaft master body to the sensor on the measuring head of measurement mechanism to zero.Earlier system power supply is connected, got into zero interface, school behind the unlatching computing machine automatically.Hold left handle 30 and be pulled to the admission cam shaft measuring position to left skateboard 4 also with positioning pin rod 27 lockings; With the camshaft master body place two top between; Holding right handles 22 draws back right slide plate 8 and makes the right top top pilot hole of camshaft master body that heads into; Loose one's grip then, this moment, right top assembly 5 compressed camshaft master body location under the effect of extension spring 10, selected zero/measuring switch to school, school, zero option on the control enclosure 24; Both hands are pressed starting switch and are started the school zero to system; School zero process is accomplished by electric control system, Computer Assisted Measurement System automatically, and process is following: oscillating cylinder 37 promotes measuring head to the measuring position under the control of electric control system, and side senser 48 contacts with the camshaft master body on cam survey sensor 53 and the axle journal; Computer Assisted Measurement System record sensor initial value, promptly accomplish in school zero.
Generally speaking, every measuring workpieces needs with master body zero to once to sensor after two hours time.Camshaft just can have been measured by the measuring machine system after zero.
Measuring workpieces
After accomplish in measuring machine system school zero, select school zero/measuring switch to measuring option, the camshaft workpiece is measured.
When admission cam shaft is measured, hold left handle 30 and be pulled to the admission cam shaft measuring position to left skateboard 4 and lock with positioning pin rod 27, with admission cam shaft place two top between; Hold right handles 22 and make the right top top pilot hole of admission cam shaft that heads into to right slide plate 8 top drawing back; Loose one's grip then, this moment, right top assembly 5 compressed the admission cam shaft location under the effect of extension spring 10, and both hands are pressed starting switch and started measurement; Measuring process is accomplished by electric control system, Computer Assisted Measurement System automatically; Process is following: oscillating cylinder 37 promotes measuring head to the measuring position under the control of electric control system, and side senser 48 and peach point capture sensor 54 contacts with admission cam shaft on cam survey sensor 53 and the axle journal, and motor 18 drive admission cam shafts rotate a circle and a half; The shift value of Computer Assisted Measurement System record sensor; And calculate according to program, measurement result is judged according to the camshaft type and is shown on the computer screen under the admission cam shaft project, measures promptly and accomplishes.
When exhaust cam shaft is measured, hold that left handle 30 is pulled to the exhaust cam shaft measuring position to left skateboard 4 and with positioning pin rod locking, with exhaust cam shaft place two top between; Holding right handles 22 draws back right slide plate 8 and makes the right top top pilot hole of exhaust cam shaft that heads into; Loose one's grip then, this moment, right top assembly 8 pressed down close-up gas camshaft location in the effect of extension spring 10, and both hands are pressed starting switch and started measurement; Measuring process is accomplished by electric control system, Computer Assisted Measurement System automatically; Process is following: oscillating cylinder 37 promotes measuring head to the measuring position under the control of electric control system, and side senser 48 and peach point capture sensor 54 contacts with exhaust cam shaft on cam survey sensor 53 and the axle journal, and motor 18 drive exhaust cam shafts rotate a circle and a half; The shift value of Computer Assisted Measurement System record sensor; And calculate according to program, measurement result is judged according to the camshaft type and is shown on the computer screen under the exhaust cam shaft project, measures promptly and accomplishes.
To the measurement of air inlet, exhaust cam shaft order in no particular order, but will be with the supporting measurement of cylinder cap of assembling.
Claims (1)
1. the camshaft measuring machine of a kinetic measurement camshaft special parameter comprises electric control system, Computer Assisted Measurement System, it is characterized in that: substrate (2) is packed on the stand (1); The top assembly in a left side (3) is packed in left skateboard (4) upper surface; Left handle (30) is packed on left skateboard (4) one sides; Pin handle (29), spring (28), positioning pin rod (27) can be fitted in the set pin sleeve (26) up and downly; Set pin sleeve (26) is installed on the left skateboard (4), and location key seat (25) is packed in the left end of substrate (2), and position measuring point installing plate (13) is installed on the side of left skateboard (4); Position measuring point installing plate (13) is provided with admission cam shaft position measuring point sign (14) and exhaust cam shaft position sensor sign (15); On substrate (2), be fixed with admission cam shaft position sensor (16), exhaust cam shaft position sensor (17) accordingly, left rail (12) is packed in the left part of substrate (2), and left rail (12) and left skateboard (4) be matched together slidably; Right top assembly (5) is packed on the upper surface of motor plate (7); Motor (18) is packed on the side of motor plate (7); Big profile of tooth belt wheel (6) is packed on right top assembly (5) axle head, and motor (18) is connected with big profile of tooth belt wheel (6) through cog belt (19), and motor plate (7) is installed in the upper surface of right slide plate (8); Right guide rail (20) is packed in the right part of substrate (2), and right guide rail (20) and right slide plate (8) be matched together slidably; Right handles (22) is connected with right slide plate (8) through connecting rod (23); The stiff end of connecting rod (23) is fitted in an end of connecting rod rotation axis (46) rotationally; Connecting rod rotation axis (46) is fitted on the substrate (2) through rotary axle box (45); Spring carrier arm (9) is packed in the lower surface of right slide plate (8), and spring stay column (11) is packed in the middle part of substrate (2), and the two ends of extension spring (10) are mounted on spring carrier arm (9) and spring stay column (11) respectively; Oscillating cylinder (37) is packed in stand (1) rearward end through oscillating cylinder installing plate (38); The crank (36) of oscillating cylinder (37) flexibly connects through crankshaft (35) and push-and-pull connecting rod (34); Push-and-pull connecting rod (34) flexibly connects through rotating shaft (39) and linking arm (40); Linking arm (40) is packed on backing plate (32) right flank, and the left surface of backing plate (32) is fixed with position sensing accessory plate (31), on position sensing accessory plate (31) side, substrate (2), is fixed with back position transducer (44) and front position sensor (43); Preceding side buffer (42) is arranged on the extended line of position sensing accessory plate (31); Preceding side buffer (42) is packed on the substrate (2), and on the upper surface of sliding platforms (33), front and back sliding platform (33) and front and back rail plate (41) be matched together slidably before and after backing plate (32) was packed in; Sensor installing plate (47) is packed in erection column (21) upper end; Erection column (21) is installed in backing plate (32) upper surface; On double-strand chain sensor fixed arm (50), peach point capture sensor (54), the axle journal under side senser (48), the axle journal side senser (55) be fitted in accordingly on the sensor installing plate (47); Cam survey sensor (53) is installed on the double-strand chain sensor fixed arm (50); Side senser (55) is positioned at the both sides of camshaft axis under cam survey sensor (53) and the axle journal, has 3 groups; Double-strand chain transducer probe assembly (51), double-strand chain sensor measurement arm (49) and double-strand chain sensor fixed arm (50) matched together, peach point capture sensor gauge head (52) and peach point capture sensor (54) matched together; Control enclosure (24) is installed on the front side portion of stand (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105687765A CN102095392B (en) | 2010-12-02 | 2010-12-02 | Camshaft measurement machine for dynamically measuring specific parameter of camshaft |
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| CN2010105687765A CN102095392B (en) | 2010-12-02 | 2010-12-02 | Camshaft measurement machine for dynamically measuring specific parameter of camshaft |
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| CN102095392B true CN102095392B (en) | 2012-05-30 |
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| CN103252736B (en) * | 2013-05-23 | 2015-11-25 | 安徽华菱汽车有限公司 | A kind of tractor crankshaft bracing or strutting arrangement |
| CN104308766B (en) * | 2014-08-28 | 2016-04-20 | 绵阳华晨瑞安汽车零部件有限公司 | A kind of cam prepackage error-proofing tool device |
| CN105371801B (en) * | 2015-12-16 | 2017-09-26 | 三门峡中原量仪股份有限公司 | Valve clearance adjust pad apolegamy measuring instrument and pad matching method |
| CN106152897B (en) * | 2016-08-11 | 2019-04-23 | 宁波圣龙浦洛西凸轮轴有限公司 | Full-automatic measure of cam shaft tooling |
| CN106595440B (en) * | 2016-12-21 | 2021-02-02 | 重庆市银钢一通科技有限公司 | Angle detection device |
| CN106979740A (en) * | 2017-05-23 | 2017-07-25 | 四川银钢通凸轮轴有限公司 | A kind of camshaft journal diameter measuring tool |
| CN108469215A (en) * | 2018-06-13 | 2018-08-31 | 莱芜环球汽车零部件有限公司 | The contrast detector of camshaft lift |
| CN109211121B (en) * | 2018-10-29 | 2019-11-15 | 安徽江淮汽车集团股份有限公司 | A kind of detection method for cylinder deactivation cam axial displacement |
| CN110231007B (en) * | 2019-06-20 | 2021-06-15 | 河南美力达汽车有限公司 | Automobile engine camshaft position detection system |
| CN111964614B (en) * | 2020-08-27 | 2022-05-03 | 亚新科凸轮轴（仪征）有限公司 | Camshaft outer diameter self-adaptive measuring device and measuring method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070301A (en) * | 1991-09-03 | 1993-03-24 | 深圳市宝华电子有限公司 | The surround sound processor |
| JP3759254B2 (en) * | 1996-10-02 | 2006-03-22 | 三洋機工株式会社 | Camshaft measuring method and measuring apparatus |
| JP2007240291A (en) * | 2006-03-08 | 2007-09-20 | Nidec Tosok Corp | Shape measuring machine |
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2010
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