CN110375607B - Automatic detecting and jumping device for automobile bevel gear - Google Patents
Automatic detecting and jumping device for automobile bevel gear Download PDFInfo
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- CN110375607B CN110375607B CN201910725060.2A CN201910725060A CN110375607B CN 110375607 B CN110375607 B CN 110375607B CN 201910725060 A CN201910725060 A CN 201910725060A CN 110375607 B CN110375607 B CN 110375607B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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Abstract
The invention relates to an automatic detecting and jumping device for an automobile bevel gear, which comprises a base, and a shaft bracket, a bent rod bracket and a gear bracket which are sequentially and fixedly arranged on the base; an eccentric wheel is rotatably mounted in the shaft support; the top of the bent rod bracket is rotatably provided with a bent rod, one end of the bent rod is in sliding fit with the periphery of the eccentric wheel, and the other end of the bent rod is fixedly provided with a detection rod; one side of the shaft support is connected with a power unit for providing rotary power for the eccentric wheel, and the other side of the shaft support is connected with a transmission unit for providing rotary power for a gear to be detected on the gear support; and the base is also provided with a dial indicator for detecting the swing limit of the bent rod and a return spring for providing a return support for the bent rod. The detection device solves the problem of low precision of manual detection of the gear tooth form in the prior art, realizes full mechanical transmission and automatic detection of full mechanical calibration, and has the advantages of low manufacturing cost, high detection speed, high detection precision and the like.
Description
Technical Field
The invention belongs to the field of automobile bevel gear detection, relates to a bevel gear detection tool, and particularly relates to an automatic automobile bevel gear jumping detection device.
Background
The gear transmission is the most widely used transmission form in mechanical transmission, has the advantages of accurate transmission, high efficiency, compact structure, reliable work, long service life and the like, and is widely applied to various machine equipment. The gear transmission mainly utilizes the mutual meshing of gears to transmit kinetic energy, the quality of the tooth shape of the gear directly influences the transmission of the gear, but the size and the shape of the gear are special, so that the manual measurement error is large, the measurement result is inaccurate, and the service life of the whole gear transmission mechanism is influenced. For the detection of the gear ring runout of the bevel gear, a gear comprehensive detector is adopted for detection in many cases, but only one point on the tooth surface of the gear ring can be detected during detection; if the rest positions on the tooth surface have collision or strain damage in profiling, the tooth surface is not easily reflected by a gear ring jumping detection mode; the bevel gear is in surface-to-surface contact in the movement process, and if the gear is not well meshed or the tooth surface of the gear is collided and damaged, the bevel gear can generate an unstable phenomenon in the operation process, so that the operation is abnormal, and the service life of a product is influenced.
For the jump detection of the automobile gear, manual measurement is mostly adopted at present, a plug gauge matched with a tooth profile is used for matching to see whether the automobile gear is qualified, but the method can only partially test a plurality of teeth of the gear and cannot test all the teeth, and because the manual test has errors, the measurement result is inaccurate, the measurement speed is low, and the detection efficiency is not high. Therefore, the tooth shape detection of the existing gear has many defects and needs to be improved and further developed.
Through searching the published patents, the following patent documents most relevant to the technical scheme are found:
1. the utility model provides an automatic profile of tooth detects machine (CN206601105U) this utility model discloses an automatic profile of tooth detects machine, the pivot that drives test platform through the motor pulley that sets up rotates, the product that the examination of fixing on fixed tool awaits measuring along with rotating, the image sensor who sets up below, image sensing with the test gear transmits for the controller, the controller compares image sensor profile of tooth image and the standard profile of tooth of saving in the controller, judge whether the gear profile of tooth size accords with the designing requirement, and then judge whether this gear is qualified product, if unqualified, the controller will automatic alarm, the full automatic operation of testing process of whole gear like this, the test time of gear has been practiced thrift greatly, the error of artificial test has been reduced, improve the rate of accuracy of test, improve the precision of test, improve the quality of product.
2. The invention discloses a motorcycle gear anti-abrasion detection device (CN 109307594A). The device comprises a gear to be detected, wherein the inner wall of the gear to be detected is fixedly connected with a first bearing, the inner wall of the first bearing is fixedly connected with a first rotating shaft, and the front side of the first rotating shaft is fixedly connected with a connecting rod. This motor gear abrasionproof decreases detection device, when the lower surface of waiting to detect gear tooth, first movable block cooperation first reset spring makes the detection dish stop around waiting to detect the gear anticlockwise rotation, then at this moment explains that the degree of wear of waiting to detect this tooth lower surface of gear has reached the critical value and needs to change the gear, when the upper surface of waiting to detect gear tooth, make the detection dish just stop around waiting to detect the gear anticlockwise rotation at third reset spring cooperation second movable block, then explains that the degree of wear of waiting to detect this tooth upper surface of gear has reached the critical value and needs to change the gear.
Through retrieval and patent publication and comparative analysis, the applicant thinks that the automobile gear tooth shape detection device in the application is different in the aspects of device structure, detection action, detection effect and the like, and particularly compared with the 'automatic tooth shape detection machine', the application adopts the automatic detection of mechanical linkage, solves the problem that the detection of an 'image sensor' is easy to be interfered by light, and does not influence the creativity of the application through comparison of the patent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic detecting and jumping device for an automobile bevel gear, which solves the problem of low precision of manual detection of a gear tooth form in the prior art, realizes automatic detection of full-mechanical transmission and full-mechanical calibration, and has the advantages of low manufacturing cost, high detection speed, high detection precision and the like.
The purpose of the invention is realized by the following technical scheme:
an automatic detecting and jumping device for an automobile bevel gear comprises a base, and a shaft bracket, a bent rod bracket and a gear bracket which are sequentially and fixedly arranged on the base; an eccentric wheel is rotatably mounted in the shaft support, one side of the shaft support is connected with a power unit for providing rotary power for the eccentric wheel, and the other side of the shaft support is connected with a transmission unit for providing rotary power for a gear to be detected on the gear support; the top of the bent rod bracket is rotatably provided with a bent rod, one end of the bent rod is in sliding fit with the periphery of the eccentric wheel, and the other end of the bent rod is fixedly provided with a detection rod; still movable mounting has the percentage table that detects the knee-beam swing limit on the base to and the reset spring who provides the support that resets for the knee-beam.
And an eccentric wheel shaft penetrates through the shaft support and is rotatably installed on the shaft support, one end of the eccentric wheel shaft is connected with the power unit, the other end of the eccentric wheel shaft is connected with the transmission unit, and an eccentric wheel is fixedly installed in the middle of the eccentric wheel shaft.
And the power unit comprises a speed reducer and a motor, wherein the speed reducer is fixedly arranged on the base, the motor is fixedly arranged on the power input end of the speed reducer coaxially, and the power output end of the speed reducer is connected with one end of the eccentric wheel shaft through a transmission belt.
The transmission unit comprises a transmission bracket, a driving wheel, a driven wheel and a transmission rod, wherein two ends of the transmission rod are respectively and rotatably connected with the driving wheel and the driven wheel; the driving wheel is coaxially and fixedly arranged at one end of the eccentric wheel shaft; the transmission bracket is fixedly arranged on the base, and a transmission shaft penetrates through and is rotatably arranged in the transmission bracket; one end of the transmission shaft is coaxially and fixedly provided with a driven wheel, and the other end of the transmission shaft is fixedly provided with a tooth shifting piece.
And a movable adjusting bracket is arranged on the base, and a dial indicator is fixedly arranged at the top of the movable adjusting bracket.
And the two ends of the return spring are respectively sleeved with a spring seat, wherein the spring seat at the bottom of the return spring is fixedly connected with the top surface of the base, and the spring seat at the top of the return spring is fixedly connected with the bottom surface of the bent rod.
The invention has the advantages and technical effects that:
1. the invention provides rotary power for the eccentric wheel and the driving wheel through the power unit, provides downward power for the bent rod by the rotation of the eccentric wheel, provides reset upward power for the bent rod by the elastic support of the reset spring, transmits the rotary power of the motor to the gear tooth shifting rod by the transmission unit consisting of the driving wheel, the driven wheel and the transmission rod, and achieves the purpose that the detection rod is separated from a tooth detection range every time the eccentric wheel is pressed down once along with the synchronous rotation of the driving wheel and the driven wheel, and the gear tooth shifting rod rotates and shifts the automobile gear to be detected to rotate by a tooth space angle; the detection position of the dial indicator is adjusted in a three-axis linkage mode through the movable adjusting frame, so that a detection probe of the dial indicator can be in contact with the swing limit position of the bent rod in an adjustable mode, namely when the gear teeth to be detected have defects, the bottom of the detection rod cannot be located at the tooth root position, the locating position of the bent rod is changed, and the tooth defect position and the defect size can be determined by observing the difference value of the dial indicator.
2. The invention drives the bent rod to swing and clamp the position and drives the gear to rotate by the same motor, effectively realizes the synchronous operation of the detection action and the rotation of the gear to be detected, solves the problems of low manual detection precision of people, easy light interference of sensor detection and the like in the prior art, and is a tooth shape detection device of the automobile gear with higher creativity.
3. The gear used on the gear tooth pulling rod is a tooth of a standard gear matched with the gear to be detected, the tooth is made into an involute type, the transmission meshing of a bevel gear is simulated, the gear tooth pulling rod rotates for a circle, the gear to be detected rotates for the angle of one tooth, the gear detection rod detects the gear jumping once, the gear tooth pulling rod is in involute meshing with the gear to be detected, the meshing stability is good, the meshing precision is high, and the detection precision and the detection effect are greatly improved.
4. The invention drives the gear to be detected to rotate by a tooth dividing angle through one rotation of the standard single-tooth bevel gear, and detects the gear ring jumping of the whole circle of the gear to be detected by utilizing the linkage relation of the cam shaft, thereby solving the problem of low precision of the manual detection of the tooth profile of the gear in the prior art, simultaneously realizing the automatic detection of full mechanical transmission and full mechanical calibration, and having the advantages of low manufacturing cost, high detection speed, high detection precision and the like.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of section B-B of FIG. 2;
FIG. 4 is a front view of FIG. 1;
FIG. 5 is a rear view of FIG. 1;
fig. 6 is an enlarged view of the structure of the portion a in fig. 1.
In the figure: 1-a motor; 2-shaft support; 3-movably adjusting the bracket; 4-bending the rod; 5-a return spring; 6-bent rod support; 7-a detection rod; 8-a gear support; 9-a base; 10-a reducer; 11-dial indicator; 12-a driving wheel; 13-an eccentric wheel shaft; 14-eccentric wheel; 15-a transmission rod; 16-a driven wheel; 17-a drive shaft; 18-a gear tooth-shifting rod; 19-a gear to be detected; 20-spring seats; 21-a transmission belt; 22-drive support.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
An automatic detecting and jumping device for an automobile bevel gear comprises a base 9, and a shaft bracket 2, a bent rod bracket 6 and a gear bracket 8 which are sequentially and fixedly arranged on the base; an eccentric wheel 14 is rotatably mounted in the shaft support, a bent rod 4 is rotatably mounted at the top of the bent rod support, one end of the bent rod is in sliding fit with the periphery of the eccentric wheel, and a detection rod 7 is fixedly mounted at the other end of the bent rod; one side of the shaft support is connected with a power unit for providing rotary power for the eccentric wheel, and the other side of the shaft support is connected with a transmission unit for providing rotary power for a gear 19 to be detected on the gear support; and the base is also provided with a dial indicator 11 for detecting the swing limit of the bent rod and a return spring 5 for providing a return support for the bent rod.
An eccentric wheel shaft 13 penetrates through the shaft support and is rotatably installed on the shaft support, one end of the eccentric wheel shaft is connected with the power unit, the other end of the eccentric wheel shaft is connected with the transmission unit, and an eccentric wheel is fixedly installed in the middle of the eccentric wheel shaft.
The power unit comprises a speed reducer 10 and a motor 1, wherein the speed reducer is fixedly arranged on the base, the motor is fixedly arranged on the power input end of the speed reducer coaxially, and the power output end of the speed reducer is connected with one end of the eccentric wheel shaft through a transmission belt 21.
The transmission unit comprises a transmission bracket 22, a driving wheel 12, a driven wheel 16 and a transmission rod 15, wherein two ends of the transmission rod are respectively connected with the driving wheel and the driven wheel in a rotating way; the driving wheel is coaxially and fixedly arranged at one end of the eccentric wheel shaft; the transmission bracket is fixedly arranged on the base, and a transmission shaft 17 penetrates through and is rotatably arranged in the transmission bracket; one end of the transmission shaft is coaxially and fixedly provided with a driven wheel, and the other end of the transmission shaft is fixedly provided with a gear shifting rod 18. The gear used on the gear tooth pulling rod is a tooth of a standard gear matched with the gear to be detected, the tooth is made into an involute type, the transmission meshing of a bevel gear is simulated, the gear tooth pulling rod rotates for a circle, the gear to be detected rotates for an angle of one tooth, the gear detection rod detects the gear jumping once, the gear tooth pulling rod is meshed with the gear to be detected in an involute manner, the meshing performance is good, and the precision is high.
The base is provided with a movable adjusting support 3, the top of the movable adjusting support is fixedly provided with a dial indicator, and the movable adjusting support adopts a mature product in the prior art.
The working principle of the invention is as follows:
when the device is used, zero adjustment needs to be performed firstly, a gear to be detected is rotatably installed on a gear bracket, then a motor provides rotating power to drive an eccentric wheel shaft to rotate until a detection rod is clamped into the tooth root position of the gear to be detected, then a movable adjusting bracket is adjusted to enable the detection end of a dial indicator to be in contact with the upper surface of a bent rod and zero adjust the number of degrees of the dial indicator, then the movable adjusting bracket is fixed and the motor is started, the motor drives a speed reducer and a transmission belt to rotate, further the eccentric wheel shaft and an eccentric wheel fixedly installed on the eccentric wheel shaft are driven to rotate, and the periphery of the eccentric wheel is in contact fit with the upper surface of the bent rod to provide downward pressure for one end of the; when the eccentric wheel rotates to a high position, the detection rod is lifted, and the gear shifting rod rotates for a circle and drives the gear to be detected to rotate by an angle of one tooth space; when the eccentric wheel rotated to the low level, reset spring provided ascending holding power that resets for the knee, this moment the test rod was down and is fixed a position and wait to detect the tooth root position of gear, when waiting to detect the tooth profile of gear when error appearing, the test rod can't fix a position the tooth root bottom, will directly lead to the detection location position change of knee, can obtain the defect position and the defect volume of waiting to detect the gear through the number of degrees that reads the percentage table this moment to realize the high accuracy detection of quick and automatic automobile gear tooth profile defect.
Claims (6)
1. The utility model provides an automobile bevel gear automated inspection jumping device which characterized in that: comprises a base, and a shaft bracket, a bent rod bracket and a gear bracket which are fixedly arranged on the base in sequence; an eccentric wheel is rotatably mounted in the shaft support, one side of the shaft support is connected with a power unit for providing rotary power for the eccentric wheel, and the other side of the shaft support is connected with a transmission unit for providing rotary power for a gear to be detected on the gear support; the top of the bent rod bracket is rotatably provided with a bent rod, one end of the bent rod is in sliding fit with the periphery of the eccentric wheel, and the other end of the bent rod is fixedly provided with a detection rod; still movable mounting has the percentage table that detects the knee-beam swing limit on the base to and the reset spring who provides the support that resets for the knee-beam.
2. The automatic detecting and jumping device for bevel gears of automobiles according to claim 1, wherein: the shaft support is provided with an eccentric wheel shaft in a penetrating and rotating mode, one end of the eccentric wheel shaft is connected with the power unit, the other end of the eccentric wheel shaft is connected with the transmission unit, and the middle of the eccentric wheel shaft is fixedly provided with an eccentric wheel.
3. The automatic detecting and jumping device for bevel gears of automobiles according to claim 1, wherein: the power unit comprises a speed reducer and a motor, wherein the speed reducer is fixedly arranged on the base, the motor is fixedly arranged on the power input end of the speed reducer coaxially, and the power output end of the speed reducer is connected with one end of the eccentric wheel shaft through a transmission belt.
4. The automatic detecting and jumping device for bevel gears of automobiles according to claim 1, wherein: the transmission unit comprises a transmission bracket, a driving wheel, a driven wheel and a transmission rod, wherein two ends of the transmission rod are respectively in rotary connection with the driving wheel and the driven wheel; the driving wheel is coaxially and fixedly arranged at one end of the eccentric wheel shaft; the transmission bracket is fixedly arranged on the base, and a transmission shaft penetrates through and is rotatably arranged in the transmission bracket; one end of the transmission shaft is coaxially and fixedly provided with a driven wheel, and the other end of the transmission shaft is fixedly provided with a tooth shifting piece.
5. The automatic detecting and jumping device for bevel gears of automobiles according to claim 1, wherein: the base is provided with a movable adjusting support, and the dial indicator is fixedly arranged at the top of the movable adjusting support.
6. The automatic detecting and jumping device for bevel gears of automobiles according to claim 1, wherein: spring seats are sleeved at two ends of the reset spring, the spring seat at the bottom of the reset spring is fixedly connected with the top surface of the base, and the spring seat at the top of the reset spring is fixedly connected with the bottom surface of the bent rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910725060.2A CN110375607B (en) | 2019-08-07 | 2019-08-07 | Automatic detecting and jumping device for automobile bevel gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910725060.2A CN110375607B (en) | 2019-08-07 | 2019-08-07 | Automatic detecting and jumping device for automobile bevel gear |
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| CN110375607A CN110375607A (en) | 2019-10-25 |
| CN110375607B true CN110375607B (en) | 2021-01-08 |
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| CN201910725060.2A Active CN110375607B (en) | 2019-08-07 | 2019-08-07 | Automatic detecting and jumping device for automobile bevel gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111168779B (en) * | 2020-02-13 | 2021-12-31 | 刘冰 | Wood prepreg granulation equipment for building |
| CN116878352B (en) * | 2023-09-08 | 2023-12-01 | 青州天时齿轮有限公司 | Gear runout inspection tester |
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