CN109357604B - Engine hub detection system - Google Patents
Engine hub detection system Download PDFInfo
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- CN109357604B CN109357604B CN201811522190.8A CN201811522190A CN109357604B CN 109357604 B CN109357604 B CN 109357604B CN 201811522190 A CN201811522190 A CN 201811522190A CN 109357604 B CN109357604 B CN 109357604B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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Abstract
The invention discloses a detection system for a hub of an engine, which belongs to the technical field of hub detection and has the technical scheme that the detection system comprises a frame, a positioning structure arranged on the frame and a detection structure fixedly connected with the frame, the positioning structure comprises a reference block horizontally connected with the frame in a sliding way and a positioning cylinder fixedly connected with the frame, a positioning shaft in clearance fit with the connecting hole is vertically and fixedly connected to the upper end surface of the reference block, the positioning cylinder is positioned above the sliding track of the reference block, and a piston rod of the positioning cylinder is coaxially arranged with the positioning shaft when the reference block slides to a position close to one end of the positioning cylinder, the detection structure comprises a dial indicator horizontally and fixedly connected to the rack, and a pointer of the dial indicator points to one end, close to the positioning cylinder, of the sliding track of the reference block and forms an included angle smaller than 90 degrees with the sliding track of the reference block. The invention has the effect of rapidly detecting the flatness of the disc hub.
Description
Technical Field
The invention relates to the technical field of hub detection, in particular to an engine hub detection system.
Background
The clutch is an important transmission component of the automobile, and can temporarily separate the engine from the gearbox and gradually engage the engine to cut off or transmit the power input by the engine to the transmission. The clutch is mainly realized by the collision and separation between the flywheel and the driven disc, and the driven disc is connected with the input shaft of the gearbox through the spline hub, so that the driven disc drives the input shaft of the gearbox to rotate and can axially slide relative to the input shaft.
At present, a driven plate spline hub, as shown in fig. 1, including connection pad and coaxial fixed connection in the connecting cylinder of connection pad one end, three through-hole has been seted up to connection pad circumference, the terminal surface circumference fixedly connected with circular boss, every of connecting cylinder are kept away from to the connection pad the coaxial mounting hole of having seted up of boss, the coaxial connecting hole of having seted up of connecting cylinder, the keyway with the spline adaptation is seted up to connecting hole inner wall.
The clutch is high in transferring precision requirement, so that the flatness of the boss needs to be detected when the clutch leaves a factory, the reference surface of the boss is the end surface of the connecting cylinder, which is far away from the connecting disc, and no flatness device for quickly detecting the boss exists at present.
Disclosure of Invention
The invention aims to provide an engine hub detection system.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an engine hub detecting system, includes the frame, installs in the location structure and the fixed connection in the detection structure of frame in the frame, location structure includes horizontal sliding connection in the benchmark piece of frame and fixed connection in the location cylinder of frame, the vertical fixedly connected with and the connecting hole clearance fit's of benchmark piece up end location axle, the location cylinder is located the top position of benchmark piece slip orbit and when the benchmark piece slides to being close to location cylinder one end the piston rod of location cylinder is coaxial setting with the location axle, the detection structure includes horizontal fixed connection in the dial indicator of frame, the directional benchmark piece slip orbit of pointer of dial indicator is close to the one end of location cylinder and forms and is less than 90 contained angles with the slip orbit of benchmark piece.
By adopting the technical scheme, the reference block is firstly slid to one end far away from the dial indicator, then the hub is sleeved on the positioning shaft, the end face of the connecting cylinder is abutted to the upper end face of the reference block, then the reference block is slid to one end close to the dial indicator, because the pointer of the dial indicator points to one end of the reference block, which is close to the reference block, and forms an included angle smaller than 90 degrees with the sliding track of the reference block, the sliding direction of the pointer forms an included angle smaller than 90 degrees with the direction pointed by the detection end of the dial indicator, so that when the reference block slides to the lower part of the detection end of the dial indicator, the boss can jack up the detection end of the dial indicator to enable the detection end of the dial indicator to abut to the upper end face of the boss, and the hub is convenient to be installed on the detection device; during detection, the hub is rotated along the direction pointed by the detection end to rotate for a circle, the detection value when the detection end of the dial indicator is abutted against the upper surface of the boss is recorded, the absolute value of subtraction between every two of the three detection values is calculated, the absolute value is compared with a standard tolerance range, and when the absolute value falls into the standard tolerance range, the hub is qualified; when the absolute value does not fall within the standard tolerance range, the hub fails.
The invention is further configured to: the feeding structure comprises a feeding rail and a feeding air cylinder, the feeding rail is fixedly connected to the frame, the feeding rail comprises an inclined portion and a horizontal portion which are communicated, the vertical projection of the inclined portion is perpendicular to the horizontal portion, one end, far away from the inclined portion, of the horizontal portion is located above one end, far away from the dial indicator, of the reference block sliding track, and the feeding air cylinder is fixedly connected to one end, far away from the reference block sliding track, of the horizontal portion and extends and retracts in the horizontal portion.
Through adopting above-mentioned technical scheme, place a plurality of dish hubs in advance in orbital rake of material loading, then utilize the material loading cylinder to promote the dish hub on the rake to the horizontal part, make it fall on the benchmark piece at last, realized automatic feeding, make detection device convenient more that uses.
The invention is further configured to: the positioning shaft is coaxially arranged with the guide chute when the reference block is positioned at one end far away from the dial indicator.
Through adopting above-mentioned technical scheme, under the promotion of material loading cylinder, the dish hub is carried to the baffle box in from the horizontal part, makes the more accurate cover of dish hub place on the location axle under the guide of baffle box.
The invention is further configured to: the frame is fixedly connected with a first touch switch, the first touch switch is electrically connected with the positioning cylinder, and when the reference block slides to one end of the sliding track close to the positioning cylinder, the first touch switch is triggered and starts the positioning cylinder to stretch.
By adopting the technical scheme, when the reference block slides to one end of the sliding track close to the positioning cylinder, the first touch switch is triggered to start the positioning cylinder to stretch, so that the vehicle inspection device is more convenient to use.
The invention is further configured to: frame fixedly connected with drive structure, drive structure includes the rubber wheel of vertical setting and drive rubber wheel pivoted servo motor, the interval between rubber wheel lateral wall and the location axle lateral wall is less than the radius of connection pad.
Through adopting above-mentioned technical scheme, servo motor drive rubber wheel rotates to the rubber wheel drives the rotation of driving disk hub, need not use hand rotating disk hub, makes detection structure use more convenient.
The invention is further configured to: the piston rod of the positioning cylinder is coaxially connected with a positioning ejector rod, the diameter of the positioning ejector rod is larger than that of the connecting hole, and the lower end of the positioning ejector rod is conical and the tip end of the positioning ejector rod faces downwards.
By adopting the technical scheme, the lower end of the positioning ejector rod is guided, so that the positioning ejector rod is smoothly inserted into the connecting hole.
The invention is further configured to: the rack is fixedly connected with a second touch switch capable of positioning the ejector rod, the second touch switch is triggered when the positioning ejector rod slides downwards, the second touch switch is electrically connected with a controller of the servo motor, and the servo motor is started when the second touch switch is triggered.
Through adopting above-mentioned technical scheme, stretch and when the dish hub top was tight when the location cylinder, thereby the second touch switch triggers and makes servo motor start to when the location cylinder with the dish hub top when tight, the drive structure has the dish hub rotation automatically, detects, makes the detection structure use more convenient.
The invention is further configured to: the dial indicator is a digital display dial indicator, the dial indicator is electrically connected with a data processing assembly and transmits a detection value to the data processing assembly, the rack is fixedly connected with a third touch switch capable of abutting against the boss, the third touch switch is triggered when the third touch switch abuts against the boss, the third touch switch is electrically connected with the data processing assembly, the data processing assembly records the detection value when the third touch switch is triggered, and the data processing assembly is electrically connected with a display screen for displaying the detection value.
By adopting the technical scheme, the data processing assembly is utilized to record data and display the data on the display screen, so that the operator can calculate the planeness of the three bosses more conveniently.
The invention is further configured to: and the data processing component transmits the absolute value of the difference value obtained by subtracting every two of the three detection values to a display screen for display.
By adopting the technical scheme, the absolute value of the difference value obtained by subtracting every two of the three detection values is calculated by the data processing assembly, so that the detection structure is better and more convenient to use.
The data processing assembly is internally provided with a preset value, the data processing assembly compares the absolute value of the difference value obtained by subtracting every two of the three detection values with the preset value, when the absolute value of the difference value is larger than the preset value, the data processing assembly controls the display screen to display unqualified data, and when the absolute value of the difference value is smaller than the absolute value, the data processing assembly controls the display screen to display unqualified data.
By adopting the technical scheme, whether the product is qualified or not can be displayed more visually, so that the detection structure is better and more convenient to use.
In conclusion, the invention has the following beneficial effects:
firstly, because a pointer of the dial indicator points to one end of the sliding track of the reference block close to the pointer and forms an included angle smaller than 90 degrees with the sliding track of the reference block, the sliding direction of the pointer forms an included angle smaller than 90 degrees with the direction pointed by the detection end of the dial indicator, and therefore when the reference block moves to one end close to the dial indicator, the boss can jack up the detection end of the dial indicator to enable the detection end of the dial indicator to abut against the upper end face of the boss, and the hub is convenient to mount on the detection device; during detection, the hub is rotated along the direction pointed by the detection end to rotate for a circle, the detection value when the detection end of the dial indicator is abutted against the upper surface of the boss is recorded, the absolute value of subtraction between every two of the three detection values is calculated, the absolute value is compared with a standard tolerance range, and when the absolute value falls into the standard tolerance range, the hub is qualified; when the absolute value does not fall within the standard tolerance range, the hub is unqualified;
secondly, a plurality of disc hubs are placed in an inclined part of the feeding track in advance, then the disc hubs on the inclined part are pushed to a horizontal part by using a feeding air cylinder, and finally the disc hubs fall on a reference block, so that automatic feeding is realized, and the detection device is more convenient to use;
thirdly, after the reference block moves to a position close to one end of the dial indicator, the positioning air cylinder is started to stretch the reference block, so that the disk hub is tightly pressed against the reference block, the end face of the connecting cylinder is tightly attached to the upper end face of the reference block, the position of the disk hub in the vertical direction is limited by the positioning air cylinder, and the detection result is prevented from being accurate due to the movement of the disk hub in the detection process;
fourthly, the driving structure is utilized to drive the hub to rotate, and the hub does not need to be rotated by hands, so that the detection structure is more convenient to use;
fifthly, the data is recorded and calculated by using the data processing assembly, then the calculated result is compared with the standard value, when the absolute value of the difference is larger than the preset value, the data processing assembly controls the display screen to display unqualified, and when the absolute value of the difference is smaller than the absolute value, the data processing assembly controls the display screen to display unqualified, so that whether the product is qualified or not is displayed more visually, and the detection structure is better and more convenient to use.
Drawings
FIG. 1 is a perspective view of a prior art hub showing;
FIG. 2 is a schematic view of the overall structure of the present embodiment;
FIG. 3 is a schematic structural diagram illustrating a positioning structure according to the present embodiment;
FIG. 4 is a schematic structural diagram illustrating a loading structure according to the present embodiment;
FIG. 5 is a schematic structural diagram illustrating a detection structure according to the present embodiment;
fig. 6 is a wire frame diagram for showing the detection structure of the present embodiment.
Reference numerals: 1. a frame; 11. a chute; 12. mounting a plate; 13. a support; 2. a positioning structure; 21. a reference block; 211. positioning the shaft; 212. a slider; 22. a driving cylinder; 23. positioning the air cylinder; 231. a first trigger switch; 232. positioning the ejector rod; 3. detecting the structure; 31. a dial gauge seat; 32. a dial indicator; 33. a drive structure; 331. a rubber wheel; 332. a servo motor; 333. a second trigger switch; 4. a feeding structure; 41. a feeding track; 411. an inclined portion; 412. a horizontal portion; 413. a feeding trough; 42. a feeding cylinder; 43. a material guide frame; 431. a material guide chute; 432. a hole of abdication; 5. a data processing component; 51. a third touch switch; 52. a display screen; 6. a hub; 61. a connecting disc; 62. a connecting cylinder; 621. connecting holes; 622. a keyway; 63. a through hole; 64. a boss; 65. and (7) installing holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An engine hub detection system, as shown in fig. 2, includes a frame 1, a positioning structure 2 for positioning a hub 6, a detection structure 3 for detecting the flatness of the hub 6, and a feeding structure 4 for conveying the hub 6 to the positioning structure 2. The frame 1 comprises a mounting plate 12 and a bracket 13 fixedly connected to the mounting plate 12. The feeding structure 4 and the detecting structure 3 are respectively positioned at two ends of the positioning structure 2.
As shown in fig. 3, the positioning structure 2 includes a reference block 21 horizontally slidably coupled to the mounting plate 12, a driving cylinder 22 (see fig. 1) driving the reference block 21 to slide, and a positioning cylinder 23 abutting the hub 6 against the reference block 21. The mounting plate 12 is provided with a sliding groove 11 which is horizontally arranged, the cross section of the sliding groove 11 in the width direction is in a convex shape, the lower end of the reference block 21 is fixedly connected with a sliding block 212 which is matched with the sliding groove 11, and the cylinder body of the driving cylinder 22 is horizontally and fixedly connected to the mounting plate 12 and the telescopic direction of the cylinder body is parallel to the sliding groove 11. The piston rod of the drive cylinder 22 is located in the slide groove 11 and is fixedly connected to the slide block 212. The vertical fixedly connected with of benchmark piece 21 up end and connecting hole 621 clearance fit's location axle 211, for the convenience locate the location axle 211 with the hub 6 cover on, location axle 211 upper end sets up and is conical and its pointed end up. On the cylinder body fixed connection support 13 of location cylinder 23 and be close to the one end that detects structure 3, the flexible direction of location cylinder 23 is vertical setting and when reference block 21 slides to the one end that is close to location cylinder 23, the piston rod of location cylinder 23 is coaxial setting with location axle 211. The piston rod of the positioning cylinder 23 is coaxially connected with a positioning ejector rod 232, the diameter of the positioning ejector rod 232 is larger than that of the connecting hole 621, the lower end of the positioning ejector rod 232 is conical, the tip end of the positioning ejector rod 232 faces downwards, and the lower end of the positioning ejector rod 232 is opened to achieve the guiding effect, so that the positioning ejector rod 232 is smoothly inserted into the connecting hole 621. After the reference block 21 moves to one end of the positioning cylinder 23, the positioning cylinder 23 is started to stretch, so that the disk hub 6 is tightly pressed against the reference block 21, the end face of the connecting cylinder 62 is tightly attached to the upper end face of the reference block 21, the position of the disk hub 6 in the vertical direction is limited by the positioning cylinder 23, and the detection result is prevented from being accurate due to the movement of the disk hub 6 in the detection process. The side wall of the bracket 13 facing the sliding chute 11 is fixedly connected with a first trigger switch 231, and the first trigger switch 231 is electrically connected with the positioning cylinder 23. When the reference block 21 slides to a position where the sliding track is close to one end of the positioning cylinder 23, it will collide with the first trigger switch 231 and trigger it, and when the first trigger switch 231 triggers, the positioning cylinder 23 is started to extend. When the reference block 21 slides to one end of the sliding track close to the positioning cylinder 23, the first trigger switch 231 is triggered to start the positioning cylinder 23 to extend, so that the car inspection device is more convenient to use.
As shown in fig. 4, the feeding structure 4 includes a feeding rail 41, a feeding cylinder 42, and a material guiding frame 43, the feeding rail 41 is provided with a feeding trough 413 along a length direction, and a cross section of the feeding trough 413 in a width direction is rectangular and is the same as a radial cross section of the connecting disc 61 of the hub 6. The loading rail 41 includes an inclined portion 411 and a horizontal portion 412 communicating with each other. The vertical projection of the inclined part 411 is perpendicular to the horizontal part 412, and one end of the horizontal part 412 far away from the inclined part 411 is communicated with the material guide frame 43. The feeding cylinder 42 is fixedly connected to one end of the horizontal portion 412 far away from the guide frame 43 and has a telescopic direction parallel to the horizontal portion 412, and a piston rod of the feeding cylinder 42 passes through a side wall of the feeding rail 41 and extends into the upper trough 413. A plurality of hubs 6 are previously placed on the inclined portion 411 of the loading rail 41, and then the hubs 6 on the inclined portion 411 are pushed to the horizontal portion 412 by the loading air cylinder 42, and finally enter the rack 43.
As shown in fig. 4, the material guiding frame 43 is fixedly connected to the mounting plate 12, the material guiding frame 43 is vertically provided with a material guiding groove 431 communicated with the horizontal portion 412, and the material guiding groove 431 is vertically arranged in a cylindrical shape and has a diameter larger than that of the connecting plate 61. When the reference block 21 is located at an end far away from the dial indicator 32, the positioning shaft 211 and the material guide groove 431 are coaxially arranged. The side wall of the guide frame 43 facing the positioning cylinder 23 is provided with a yielding hole 432 for the reference block 21 to pass through, and the yielding hole 432 is communicated with the guide chute 431. Under the pushing of the feeding cylinder 42, the hub 6 is conveyed from the horizontal portion 412 to the material guiding groove 431, and the hub 6 is more accurately sleeved on the positioning shaft 211 under the guiding of the material guiding groove 431.
As shown in fig. 5, the detection structure 3 is fixedly connected to one end of the mounting plate 12 close to the positioning cylinder 23, the detection structure 3 comprises a dial indicator seat 31 and a dial indicator 32, the dial indicator 32 is fixedly connected to the dial indicator seat 31 and horizontally arranged, and the dial indicator seat 31 is fixedly connected to the rack 1. The dial gauge seat 31 is adjusted so that the level of the dial gauge 32 can abut against the upper end of the boss 64 of the hub 6 of the reference block 21. The detection end of the dial indicator 32 forms an included angle smaller than 90 degrees with the sliding track of the reference block 21, and the detection end of the dial indicator 32 points to one end of the chute 11 close to the positioning cylinder 23. When benchmark piece 21 slided to being close to dial indicator 32, its slip direction formed an contained angle that is less than 90 with the directional direction of dial indicator 32 sense terminal to when benchmark piece 21 slided to dial indicator 32 sense terminal below, boss 64 can make it contradict in the up end of boss 64 with dial indicator 32 sense terminal jack-up, thereby make on the dish hub 6 installation detection device. During detection, the hub 6 is rotated along the direction pointed by the detection end to rotate for a circle, the detection value when the detection end of the dial indicator 32 is abutted against the upper surface of the boss 64 is recorded, the absolute value of subtraction of every two of the three detection values is calculated, the absolute value is compared with the standard tolerance range, and when the absolute value falls into the standard tolerance range, the hub 6 is qualified; when the absolute value does not fall within the standard tolerance range, the hub 6 is rejected.
As shown in fig. 5, the detecting structure 3 further includes a driving structure 33, and the driving structure 33 includes a vertically arranged rubber wheel 331 and a servo motor 332 for driving the rubber wheel 331 to rotate. The servo motor 332 is fixedly connected to the mounting plate 12 and the output shaft thereof is coaxially and fixedly connected to the rubber wheel 331. The distance between the side wall of the rubber wheel 331 and the side wall of the positioning shaft 211 is smaller than the radius of the connecting disc 61, and the axial length of the rubber wheel 331 is smaller than the length of the connecting cylinder 62 of the hub 6. The servo motor 332 drives the rubber wheel 331 to rotate, so that the rubber wheel 331 drives the hub 6 to rotate, the hub 6 does not need to be rotated by hands, and the detection structure 3 is more convenient to use.
As shown in fig. 5, a second trigger switch 333 capable of abutting against the positioning push rod 232 is fixedly connected to one side of the bracket 13 facing the positioning cylinder 23, the second trigger switch 333 is electrically connected to a controller of the servo motor 332, and the servo motor 332 is started when the second trigger switch 333 is triggered. When the positioning top rod 232 is positioned at the top dead center, the second trigger switch 333 is not in contact with the positioning top rod; when the positioning rod 232 slides downwards, the positioning rod 232 abuts against the second trigger switch 333 and triggers the same. When the positioning cylinder 23 extends and tightly presses the disk hub 6, the second trigger switch 333 is triggered to start the servo motor 332, so that when the positioning cylinder 23 tightly presses the disk hub 6, the driving structure 33 automatically rotates with the disk hub 6, and the detection structure 3 is more convenient to use.
As shown in fig. 5 and 6, the dial indicator 32 is a digital display dial indicator, the dial indicator 32 is electrically connected to the data processing assembly 5 including the MCU and transmits the detected value to the data processing assembly 5, the data processing assembly 5 is electrically connected to the third trigger switch 51, and the third trigger switch 51 is fixedly connected to the bracket 12 and can abut against the sidewall of the boss 64. When the third trigger switch 51 abuts against the boss 64, the third trigger switch 51 is triggered, and when the third trigger switch 51 is triggered, the data processing assembly 5 records the detection value at the moment. The data processing assembly 5 is internally provided with a preset value, the data processing assembly 5 compares the absolute value of the difference value obtained by subtracting every two of the three detection values with the preset value, the hub 6 is unqualified when the absolute value of the difference value is larger than the preset value, and the hub 6 is unqualified when the absolute value of the difference value is smaller than the absolute value. The data processing component 5 is electrically connected with a display screen 52, and the data processing component 5 transmits the three detection values, the absolute value of the difference value obtained by subtracting every two of the three detection values and the detection result to the display screen 52 and displays the detection result.
The implementation principle of the embodiment is as follows: a plurality of hubs 6 are placed in advance on the inclined portion 411 of the feeding rail 41, then the hubs 6 on the inclined portion 411 are pushed to the horizontal portion 412 by the feeding air cylinder 42, finally they enter the guide frame 43, the hubs 6 fall down onto the reference block 21 along the guide chute 431 under the action of gravity, and the hubs 6 are sleeved on the positioning shaft 211. The driving cylinder 22 is then activated so as to push the reference block 21 towards the detection structure 3. When the reference block 21 slides to the end of the sliding track close to the positioning cylinder 23, it will collide with the first trigger switch 231 and trigger it, so that the positioning cylinder 23 is extended. The positioning cylinder 23 is extended to press the hub 6 against the reference block 21, so that the positioning rod 232 abuts against the second trigger switch 333 and triggers it. The second trigger switch 333 is activated to activate the servo motor 332 and the drive structure 33 automatically rotates with the hub 6. The detection end of the dial indicator 32 is abutted against the upper surface of the boss 64, the data processing assembly 5 receives the detection values, the absolute value of the difference value obtained by subtracting every two of the three detection values is compared with the preset value, the hub 6 is unqualified when the absolute value of the difference value is larger than the preset value, and the hub 6 is unqualified when the absolute value of the difference value is smaller than the absolute value.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. An engine hub detection system, characterized by: including frame (1), install in location structure (2) of frame (1) and fixed connection in detection structure (3) of frame (1), location structure (2) include horizontal sliding connection in reference block (21) of frame (1) and fixed connection in location cylinder (23) of frame (1), the vertical fixedly connected with of reference block (21) up end and connecting hole (621) clearance fit's location axle (211), location cylinder (23) are located the top position of reference block (21) slip orbit and when reference block (21) slide to being close to location cylinder (23) one end the piston rod of location cylinder (23) is coaxial setting with location axle (211), detection structure (3) include horizontal fixed connection in lever amesdial (32) of frame (1), the pointer of lever amesdial (32) points reference block (21) slip orbit and is close to the one end of location cylinder (23) and with the smooth of reference block (21) The moving track forms an included angle smaller than 90 degrees; the dial indicator (32) is a digital display dial indicator, the dial indicator (32) is electrically connected with a data processing assembly (5) and transmits a detection value to the data processing assembly (5), the rack (1) is fixedly connected with a third touch switch (51) capable of abutting against a boss (64), when the third touch switch (51) abuts against the boss (64), the third touch switch (51) is triggered, the third touch switch (51) is electrically connected with the data processing assembly (5), when the third touch switch (51) is triggered, the data processing assembly (5) records the detection value, and the data processing assembly (5) is electrically connected with a display screen (52) for displaying the detection value; the feeding structure (4) comprises a feeding rail (41) and a feeding cylinder (42) which are fixedly connected to the rack (1), the feeding rail (41) comprises an inclined part (411) and a horizontal part (412) which are communicated, the vertical projection of the inclined part (411) is perpendicular to the horizontal part (412), one end, far away from the inclined part (411), of the horizontal part (412) is located above one end, far away from the dial indicator (32), of the sliding track of the reference block (21), and the feeding cylinder (42) is fixedly connected to one end, far away from the sliding track of the reference block (21), of the horizontal part (412) and the stretching direction and the horizontal part (412); the positioning device is characterized in that the rack (1) is fixedly connected with a material guide frame (43), a circular material guide groove (431) communicated with the horizontal portion (412) is vertically formed in the material guide frame (43), the diameter of the material guide groove (431) is larger than that of the connecting disc (61), and when the reference block (21) is located at one end far away from the dial indicator (32), the positioning shaft (211) and the material guide groove (431) are coaxially arranged.
2. An engine hub detection system as claimed in claim 1, wherein: the frame (1) is fixedly connected with a first touch switch (231), the first touch switch (231) is electrically connected with the positioning cylinder (23), and when the reference block (21) slides to one end of the sliding track close to the positioning cylinder (23), the first touch switch (231) is triggered to start the positioning cylinder (23) to stretch.
3. An engine hub detection system as claimed in claim 2, wherein: frame (1) fixedly connected with drive structure (33), drive structure (33) are including vertical rubber wheel (331) and the servo motor (332) of drive rubber wheel (331) pivoted, the interval between rubber wheel (331) lateral wall and location axle (211) lateral wall is less than the radius of connection pad (61).
4. An engine hub detection system as claimed in claim 3, wherein: the piston rod of location cylinder (23) is connected with location ejector pin (232) coaxially, the diameter of location ejector pin (232) is greater than the diameter of connecting hole (621), location ejector pin (232) lower extreme is the toper and its pointed end down.
5. An engine hub detection system as claimed in claim 4, wherein: the rack (1) is fixedly connected with a second touch switch (333) capable of positioning a push rod (232), when the positioning push rod (232) slides downwards, the second touch switch (333) is triggered, the second touch switch (333) is electrically connected with a controller of a servo motor (332), and when the second touch switch (333) is triggered, the servo motor (332) is started.
6. An engine hub detection system as claimed in claim 5, wherein: and the data processing component (5) transmits the absolute value of the difference value obtained by subtracting every two of the three detection values to a display screen (52) for display.
7. An engine hub detection system as claimed in claim 6, wherein: the data processing assembly (5) is internally provided with a preset value, the data processing assembly (5) compares the absolute value of the difference value obtained by subtracting every two of the three detection values with the preset value, when the absolute value of the difference value is larger than the preset value, the data processing assembly (5) controls the display screen (52) to display unqualified, and when the absolute value of the difference value is smaller than the absolute value, the data processing assembly (5) controls the display screen (52) to display unqualified.
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| CN201811522190.8A CN109357604B (en) | 2018-12-13 | 2018-12-13 | Engine hub detection system |
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| CN201811522190.8A CN109357604B (en) | 2018-12-13 | 2018-12-13 | Engine hub detection system |
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| CN109357604B true CN109357604B (en) | 2021-03-26 |
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| CN110411381B (en) * | 2019-08-06 | 2021-07-13 | 许昌学院 | Automatic correction flatness multi-point detection device suitable for motor stator |
| CN114485361B (en) * | 2022-03-11 | 2024-05-17 | 无锡市正隆祥机械制造有限公司 | Flatness measuring tool for driving disc |
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