CN112986274A - Microscope for detecting automobile windscreen wiper gear - Google Patents
Microscope for detecting automobile windscreen wiper gear Download PDFInfo
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- CN112986274A CN112986274A CN202110198097.1A CN202110198097A CN112986274A CN 112986274 A CN112986274 A CN 112986274A CN 202110198097 A CN202110198097 A CN 202110198097A CN 112986274 A CN112986274 A CN 112986274A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2416—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures of gears
Abstract
The invention belongs to the technical field of microscopes, and particularly relates to a microscope for detecting a gear of an automobile windscreen wiper, which comprises a bottom plate, wherein a first rotating shaft which can rotate and is vertically arranged is arranged on the rear side of the upper end of the bottom plate; through the combination of the dynamic jumping mode and the static picture mode, compared with manual detection, the method improves the detection speed and simultaneously ensures the accuracy of the detection result.
Description
Technical Field
The invention belongs to the technical field of microscopes, and particularly relates to a microscope for detecting an automobile windscreen wiper gear.
Background
Gears are toothed mechanical parts that can mesh with one another and are used in a very wide variety of mechanical transmission and overall mechanical applications. The precision of each gear tooth of the gear and the distance between adjacent gear teeth are very important for the normal operation of the gear, and the gear with low precision and irregular teeth not only can generate jitter and noise when being meshed with other standard gears to influence the transmission effect, but also can influence the whole service life of the applied equipment. Therefore, it is necessary to detect the gear teeth after machining.
The technical scheme of a microscope for detecting the gear of the automobile windscreen wiper also appears in the prior art, for example, a Chinese patent with the application number of 2020107363497 discloses a tool microscope for the transmission gear of the automobile windscreen wiper, a glass sheet is arranged above a moving object stage, and a gear clamping mechanism is arranged above the glass sheet; the supporting table is movably arranged on the movable objective table, and a fixed support is arranged on the upper surface of the supporting table; a light-transmitting groove is formed in one corner of the fixed support, and light-transmitting glass is arranged on the bottom end face of the light-transmitting groove; a driving motor is fixed on the upper end face of the fixed support, and the output end of the driving motor is connected with a rotating support; a rotating cylinder is sleeved outside the rotating support, and a supporting cross rod is fixed on the side wall of the rotating cylinder; the end part of the supporting cross rod is provided with a clamping disc, and the clamping disc is positioned right above the light transmission groove; a notch groove is formed above one end of the clamping disc and is aligned with the objective lens of the lens assembly; a rotating gear is rotatably arranged in the clamping disc; the clamping disc is made of transparent glass; the measurement precision and the measurement accuracy of the transmission gear are improved; however, this technical scheme exists not enoughly, because the gear among the present common car wiper drive mechanism all adopts metal to mould plastics and makes, the general specification of wiper gear is less, and the quality is lighter, and the application current gear detects and generally adopts artifical the detection, and detection speed is slower, simultaneously, because the gear specification is less, the quality is lighter, and the detection degree of difficulty is higher, and the testing result accuracy is not good for this technical scheme receives the restriction.
In view of the above, the microscope for detecting the automobile windscreen wiper gear is combined with a static picture mode through a dynamic jumping mode, compared with manual detection, the method improves the detection speed and simultaneously ensures the accuracy of the detection result.
Disclosure of Invention
The invention provides a microscope for detecting a gear of an automobile windscreen wiper, which is used for overcoming the defects of the prior art and mainly solving the problems that the existing windscreen wiper gear is generally detected manually, the detection speed is low and the accuracy of a detection result is poor.
The technical scheme adopted by the invention for solving the technical problems is as follows: the microscope for detecting the automobile windscreen wiper gear comprises a bottom plate, wherein a first rotating shaft which can rotate and is vertically arranged is arranged on the rear side of the upper end of the bottom plate, an installation seat is fixedly arranged on the upper end of the first rotating shaft, an electron microscope is fixedly arranged at the front end of the installation seat, a lens of the electron microscope is vertically arranged downwards all the time, a horizontal pad matched with a gear to be detected is arranged on the bottom plate right below the electron microscope, a third rotating shaft which is vertically arranged is arranged in the middle of the horizontal pad, and the outside of the third rotating shaft is matched with the inner diameter of an installation hole of the gear to be detected.
When the device is used, the mounting hole of the gear to be detected is inserted outside the third rotating shaft, the gear to be detected is horizontally placed on the horizontal pad, the gear to be detected is stably placed under the electron microscope under the limitation of the third rotating shaft, then the electron microscope is started to start to measure the gear to obtain corresponding parameters of the gear, meanwhile, when a measuring program starts to measure, the gear to be detected is firstly photographed through the lens of the measuring program to obtain a two-dimensional profile image of the gear to be detected, and then the two-dimensional profile image is compared with a qualified two-dimensional profile image prestored in the electron microscope, such as detailed parameters including tooth shape, tooth direction, tooth number, tooth pitch, modulus, helix angle and reference circle, so as to preliminarily judge whether the gear to be detected has obvious defects, automatic machine comparison is realized by using a static picture mode, and compared with manual detection, the detection speed is improved by the mode, meanwhile, the accuracy of the detection result is ensured.
Preferably, a first vertical block and a second vertical block which are positioned below an electron microscope are arranged on the bottom plate on one side of the horizontal pad, the first vertical block and the second vertical block are arranged on the left and right, a second rotating shaft capable of rotating is arranged between the first vertical block and the second vertical block, and a driving gear is arranged on the rotating shaft; the second rotating shaft penetrates through the first vertical block and is in driving connection with a motor fixed on the outer side of the first vertical block; the second founds the piece front end and is provided with a plurality of guide cylinders, all be provided with the guide bar in the guide cylinder, the guide bar front end all with the left end fixed connection of fourth pivot, fourth pivot and second pivot parallel arrangement, fourth pivot and second found to be provided with a plurality of first springs between the piece, first spring is located between the adjacent guide cylinder. Through the arrangement of the second rotating shaft, the fourth rotating shaft and the driving gear, the gear to be tested can be installed on the fourth rotating shaft after the two-dimensional outline image is shot by the gear to be tested, and is meshed with the driving gear, and the gear to be tested is driven to rotate through the rotation of the driving gear; when the gear to be detected is qualified, the distance between the second rotating shaft and the fourth rotating shaft is relatively unchanged, so that when the gear to be detected is incomplete, meshing jumping can occur between the driving gears, and the jumping value of the gear to be detected and the driving gears in tight meshing motion is equal to the variable quantity of the guide rod extending out of the guide cylinder, so that whether the gear to be detected is qualified or not can be detected by detecting and recording the length of the guide rod extending out of the guide cylinder through an electron microscope, namely the gear to be detected is unqualified when the extending amount of the guide rod exceeds the allowable maximum value, and the detection accuracy is further improved by combining a dynamic jumping mode with a static picture mode; through the setting of first spring, on the one hand, provide pressure in order to maintain the continuous close meshing state of gear to be measured and drive tooth body, on the other hand, also can reduce the influence that motor vibration produced the gear engagement through the damping power consumption of spring.
Preferably, the scales are arranged on one side, facing the electron microscope, of the upper end of the guide rod, so that the specific size of the guide rod extending out can be observed conveniently. The scales are arranged on the guide rod, so that the specific size of the guide rod extending out can be observed conveniently.
Preferably, the front end of the first vertical block is provided with an air cylinder, a piston rod of the air cylinder moves in the front-back direction, the end part of the piston rod is fixedly connected with a sleeve, and an insertion rod is detachably mounted in the sleeve; the fourth pivot is provided with rather than matching the jack towards the inserted bar, the inserted bar can be in the jack is inserted and is realized being connected between fourth pivot and the sleeve from the sleeve after the gear that awaits measuring finishes installing. Through the arrangement of the air cylinder, the sleeve and the inserting rod, the gear to be tested can be inserted into the inserting hole from the sleeve after being installed, and the connection between the fourth rotating shaft and the sleeve is realized, so that the two sides of the fourth rotating shaft are provided with supports, the use of a cantilever beam structure is reduced, on one hand, the problem that the guide rod is blocked due to the fact that the fourth rotating shaft is inclined after being stressed is solved, and the service life of equipment is prolonged; on the other hand, through the auxiliary stay of inserted bar, also can avoid the long-term use of fourth pivot to lead to influencing the degree of accuracy that detects after the bending.
Preferably, a second spring is sleeved outside a piston rod of the air cylinder. Through the setting of second spring, on the one hand, can provide the packing force that presses the fourth pivot to the second pivot through the second spring for the gear that awaits measuring can be done closely and mesh the motion, and on the other hand, the second spring also can consume the vibrations of first upright piece through elastic deformation, reduces its vibrations to detecting the influence of precision.
Preferably, the cylinder is provided with a pressure transmitter for detecting the pressure in the rodless cavity of the cylinder. Through the arrangement of the pressure transmitter, the pressure of the rodless cavity in the cylinder is in direct proportion to the volume of the rodless cavity and further in direct proportion to the extension amount of the piston rod of the pressure transmitter, and the change value of the extension amount of the piston rod is equal to the jumping value of the gear to be detected and the driving gear during tight meshing motion, so that the jumping value can be calculated by detecting the pressure of the rodless cavity in the cylinder through the pressure transmitter, and the pressure transmitter can be used as an auxiliary judgment standard to judge whether the gear is qualified or not.
The invention has the following beneficial effects:
1. according to the microscope for detecting the automobile windscreen wiper gear, the dynamic jumping mode and the static picture mode are combined, compared with manual detection, the detection speed is improved, and meanwhile the accuracy of a detection result is guaranteed.
2. According to the microscope for detecting the automobile windscreen wiper gear, due to the fact that the pressure of the rodless cavity in the air cylinder is in direct proportion to the volume of the rodless cavity and further in direct proportion to the extension amount of the piston rod of the microscope, and the change value of the extension amount of the piston rod is equal to the jumping value of the gear to be detected and the driving gear in tight meshing motion, the pressure of the rodless cavity in the air cylinder can be detected through the pressure transmitter, the jumping value can be calculated, and the pressure transmitter can be used as an auxiliary judgment standard to judge whether the gear is qualified or not.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of one aspect of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partially enlarged view at B in fig. 2.
In the figure:
1. a base plate; 2. a first rotating shaft; 21. a mounting seat; 22. an electron microscope; 3. a first vertical block; 31. a second vertical block; 32. a second rotating shaft; 33. a motor; 34. a drive gear; 35. a first spring; 36. a guide cylinder; 37. a guide bar; 38. calibration; 39. a fourth rotating shaft; 4. a gear to be tested; 5. a horizontal pad; 51. a third rotating shaft; 6. a cylinder; 61. a sleeve; 62. inserting a rod; 63. a second spring; 64. a pressure transmitter.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a microscope for detecting a gear of an automobile windscreen wiper comprises a base plate 1, a first rotating shaft 2 which can rotate and is vertically arranged is arranged on the rear side of the upper end of the base plate 1, a mounting seat 21 is fixedly arranged on the upper end of the first rotating shaft 2, an electron microscope 22 is fixedly arranged at the front end of the mounting seat 21, a lens of the electron microscope 22 is vertically arranged downwards all the time, a horizontal pad 5 matched with a gear 4 to be detected is arranged on the base plate 1 under the electron microscope 22, a third rotating shaft 51 which is vertically arranged is arranged in the middle of the horizontal pad 5, and the outside of the third rotating shaft 51 is matched with the inner diameter of a mounting hole of the gear 4 to be detected.
When the device is used, the mounting hole of the gear 4 to be measured is inserted outside the third rotating shaft 51, the gear 4 to be measured is horizontally placed on the horizontal pad 5, the gear 4 to be measured is stably placed under the electron microscope 22 under the limitation of the third rotating shaft 51, then the electron microscope 22 is started to start measuring the gear to obtain corresponding parameters of the gear, meanwhile, when a measuring program starts measuring, the lens of the measuring program is used for taking a picture of the gear 4 to be measured to obtain a two-dimensional profile image of the gear 4 to be measured, and then the two-dimensional profile image is compared with a qualified two-dimensional profile image prestored in the electron microscope 22, such as comparing detailed parameters including tooth shape, tooth direction, tooth number, tooth pitch, modulus, helix angle and reference circle, so as to preliminarily judge whether the gear 4 to be measured has obvious defects or not, and machine automatic comparison is realized by using a static image mode, compared with manual detection, the method improves the detection speed and ensures the accuracy of the detection result.
In one embodiment of the present invention, a first standing block 3 and a second standing block 31 which are positioned obliquely below an electron microscope 22 are provided on a bottom plate 1 on one side of the horizontal pad 5, the first standing block 3 and the second standing block 31 are arranged in the left and right direction, a second rotating shaft 32 which can rotate is provided between the first standing block 3 and the second standing block 31, and a driving gear 34 is provided on the rotating shaft; the second rotating shaft 32 passes through the first vertical block 3 and is in driving connection with a motor 33 fixed on the outer side of the first vertical block 3; the second founds piece 31 front end and is provided with a plurality of guide cylinders 36, all be provided with guide bar 37 in the guide cylinder 36, guide bar 37 front end all with the left end fixed connection of fourth pivot 39, fourth pivot 39 and second pivot 32 parallel arrangement, be provided with a plurality of first springs 35 between fourth pivot 39 and the second founds piece 31, first spring 35 is located between the adjacent guide cylinder 36. Through the arrangement of the second rotating shaft 32, the fourth rotating shaft 39 and the driving gear 34, the gear 4 to be tested can be installed on the fourth rotating shaft 39 after the two-dimensional outline image is shot, and is meshed with the driving gear 34, and the gear 4 to be tested is driven to rotate through the rotation of the driving gear 34; when the gear 4 to be detected is qualified, the distance between the second rotating shaft 32 and the fourth rotating shaft 39 is relatively unchanged, so when the gear 4 to be detected is incomplete, meshing jumping occurs between the driving gears 34, and the jumping value of the gear 4 to be detected and the driving gears 34 in tight meshing motion is equal to the variation of the guide rod 37 extending out of the guide cylinder 36, so that whether the gear 4 to be detected is qualified can be detected by detecting and recording the length of the guide rod 37 extending out of the guide cylinder 36 through the electron microscope 22, namely the gear 4 to be detected is unqualified when the extending amount of the guide rod 37 exceeds the allowable maximum value, and the detection accuracy is further improved by combining a dynamic jumping mode with a static picture mode; through the arrangement of the first spring 35, on one hand, pressure is provided to maintain the continuous tight meshing state of the gear 4 to be tested and the driving gear body, and on the other hand, the influence of the vibration of the motor 33 on the gear meshing can be reduced through the damping energy consumption of the spring.
In one embodiment of the present invention, the upper end of the guide rod 37 is provided with a scale 38 facing the electron microscope 22, so as to facilitate observing the specific extension dimension of the guide rod 37. By providing the guide rod 37 with the scale 38, it is convenient to observe the specific size of the guide rod 37.
As an embodiment of the present invention, an air cylinder 6 is disposed at the front end of the first standing block 3, a piston rod of the air cylinder 6 moves in the front-back direction, and a sleeve 61 is fixedly connected to the end of the piston rod, and an insertion rod 62 is detachably mounted in the sleeve 61; the fourth rotating shaft 39 is provided with a jack matched with the fourth rotating shaft in the direction of the inserted rod 62, and the inserted rod 62 can be inserted into the jack from the sleeve 61 after the gear 4 to be tested is installed, so that the fourth rotating shaft 39 is connected with the sleeve 61. Through the arrangement of the air cylinder 6, the sleeve 61 and the inserting rod 62, the gear 4 to be tested can be inserted into the inserting hole from the sleeve 61 after being installed, and the connection between the fourth rotating shaft 39 and the sleeve 61 is realized, so that both sides of the fourth rotating shaft 39 are provided with supports, the use of a cantilever beam structure is reduced, on one hand, the problem that the guide rod 37 is clamped due to the fact that the fourth rotating shaft 39 inclines after being stressed is solved, and the service life of the equipment is prolonged; on the other hand, through the auxiliary support of the inserting rod 62, the influence of the bending of the fourth rotating shaft 39 on the detection accuracy can be avoided.
In one embodiment of the present invention, a second spring 63 is sleeved outside a piston rod of the cylinder 6. Through the arrangement of the second spring 63, on one hand, the pressing force for pressing the fourth rotating shaft 39 to the second rotating shaft 32 can be provided through the second spring 63, so that the gear 4 to be detected can make tight meshing motion, and on the other hand, the second spring 63 can also consume the vibration of the first standing block 3 through elastic deformation, so that the influence of the vibration on the detection precision is reduced.
In one embodiment of the present invention, the cylinder 6 is provided with a pressure transmitter 64 for detecting the pressure inside the rodless chamber thereof. Through the arrangement of the pressure transmitter 64, the pressure of the rodless cavity in the cylinder 6 is in direct proportion to the volume of the rodless cavity and further in direct proportion to the extension amount of the piston rod of the rodless cavity, and the change value of the extension amount of the piston rod is equal to the jumping value when the gear 4 to be detected and the driving gear 34 are in tight meshing motion, so that the size of the jumping value can be calculated by detecting the pressure of the rodless cavity in the cylinder 6 through the pressure transmitter 64, and the gear can be used as an auxiliary judgment standard to judge whether the gear is qualified or not.
When the device is used, the mounting hole of the gear 4 to be measured is inserted outside the third rotating shaft 51, the gear 4 to be measured is horizontally placed on the horizontal pad 5, the gear 4 to be measured is stably placed under the electron microscope 22 under the limitation of the third rotating shaft 51, then the electron microscope 22 is started to start measuring the gear to obtain corresponding parameters of the gear, meanwhile, when a measuring program starts measuring, the lens of the measuring program is used for taking a picture of the gear 4 to be measured to obtain a two-dimensional profile image of the gear 4 to be measured, and then the two-dimensional profile image is compared with a qualified two-dimensional profile image prestored in the electron microscope 22, such as comparing detailed parameters including tooth shape, tooth direction, tooth number, tooth pitch, modulus, helix angle and reference circle, so as to preliminarily judge whether the gear 4 to be measured has obvious defects or not, and machine automatic comparison is realized by using a static image mode, compared with manual detection, the method improves the detection speed and ensures the accuracy of the detection result; through the arrangement of the second rotating shaft 32, the fourth rotating shaft 39 and the driving gear 34, the gear 4 to be tested can be installed on the fourth rotating shaft 39 after the two-dimensional outline image is shot, and is meshed with the driving gear 34, and the gear 4 to be tested is driven to rotate through the rotation of the driving gear 34; when the gear 4 to be detected is qualified, the distance between the second rotating shaft 32 and the fourth rotating shaft 39 is relatively unchanged, so when the gear 4 to be detected is incomplete, meshing jumping occurs between the driving gears 34, and the jumping value of the gear 4 to be detected and the driving gears 34 in tight meshing motion is equal to the variation of the guide rod 37 extending out of the guide cylinder 36, so that whether the gear 4 to be detected is qualified can be detected by detecting and recording the length of the guide rod 37 extending out of the guide cylinder 36 through the electron microscope 22, namely the gear 4 to be detected is unqualified when the extending amount of the guide rod 37 exceeds the allowable maximum value, and the detection accuracy is further improved by combining a dynamic jumping mode with a static picture mode; through the arrangement of the first spring 35, on one hand, pressure is provided to maintain the continuous tight meshing state of the gear 4 to be tested and the driving gear body, and on the other hand, the influence of the vibration of the motor 33 on the gear meshing can be reduced through the damping energy consumption of the spring; the guide rod 37 is provided with the scales 38, so that the specific extending size of the guide rod 37 can be observed conveniently; through the arrangement of the air cylinder 6, the sleeve 61 and the inserting rod 62, the gear 4 to be tested can be inserted into the inserting hole from the sleeve 61 after being installed, and the connection between the fourth rotating shaft 39 and the sleeve 61 is realized, so that both sides of the fourth rotating shaft 39 are provided with supports, the use of a cantilever beam structure is reduced, on one hand, the problem that the guide rod 37 is clamped due to the fact that the fourth rotating shaft 39 inclines after being stressed is solved, and the service life of the equipment is prolonged; on the other hand, through the auxiliary support of the inserting rod 62, the influence of the bending of the fourth rotating shaft 39 on the detection accuracy can be avoided; through the arrangement of the second spring 63, on one hand, the second spring 63 can provide a pressing force for pressing the fourth rotating shaft 39 to the second rotating shaft 32, so that the gear 4 to be detected can make tight meshing motion, and on the other hand, the second spring 63 can also consume the vibration of the first upright block 3 through elastic deformation, so that the influence of the vibration on the detection precision is reduced; through the arrangement of the pressure transmitter 64, the pressure of the rodless cavity in the cylinder 6 is in direct proportion to the volume of the rodless cavity and further in direct proportion to the extension amount of the piston rod of the rodless cavity, and the change value of the extension amount of the piston rod is equal to the jumping value when the gear 4 to be detected and the driving gear 34 are in tight meshing motion, so that the size of the jumping value can be calculated by detecting the pressure of the rodless cavity in the cylinder 6 through the pressure transmitter 64, and the gear can be used as an auxiliary judgment standard to judge whether the gear is qualified or not.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a microscope is used in detection of car wiper gear, its characterized in that, includes bottom plate (1), bottom plate (1) upper end rear side is provided with vertical first pivot (2) of arranging that can rotate, first pivot (2) upper end is fixed and is provided with mount pad (21), mount pad (21) front end is fixed and is provided with electron microscope (22), electron microscope's (22) camera lens is vertical all the time and arranges down, be provided with on bottom plate (1) under electron microscope (22) with the horizontal pad (5) that awaits measuring gear (4) match, horizontal pad (5) middle part is provided with vertical third pivot (51) of arranging, the external internal diameter phase-match of gear (4) mounting hole that awaits measuring of third pivot (51).
2. The microscope for detecting the gear of the automobile windscreen wiper as claimed in claim 1, wherein a first vertical block (3) and a second vertical block (31) which are positioned obliquely below an electron microscope (22) are arranged on the bottom plate (1) on one side of the horizontal pad (5), the first vertical block (3) and the second vertical block (31) are arranged in the left-right direction, a second rotating shaft (32) capable of rotating is arranged between the first vertical block (3) and the second vertical block (31), and a driving gear (34) is arranged on the rotating shaft; the second rotating shaft (32) penetrates through the first vertical block (3) and is in driving connection with a motor (33) fixed on the outer side of the first vertical block (3); the second founds piece (31) front end and is provided with a plurality of guide cylinder (36), all be provided with guide bar (37) in guide cylinder (36), guide bar (37) front end all with the left end fixed connection of fourth pivot (39), fourth pivot (39) and second pivot (32) parallel arrangement, fourth pivot (39) and second found and are provided with a plurality of first spring (35) between piece (31), first spring (35) are located between the adjacent guide cylinder (36).
3. The microscope for detecting the gear of the automobile windscreen wiper as claimed in claim 2, wherein the upper end of the guide rod (37) is provided with a scale (38) towards one side of the electron microscope (22), so that the specific size of the guide rod (37) extending out can be observed conveniently.
4. The microscope for detecting the gear of the automobile windscreen wiper as claimed in claim 3, wherein a cylinder (6) is arranged at the front end of the first vertical block (3), a piston rod of the cylinder (6) moves in the front-back direction, and the end part of the piston rod is fixedly connected with a sleeve (61), and an inserted rod (62) is detachably mounted in the sleeve (61); fourth pivot (39) are provided with rather than matching the jack towards inserted bar (62), inserted bar (62) can be after gear (4) that awaits measuring finishes inserting in the jack from sleeve (61) and realize being connected between fourth pivot (39) and sleeve (61).
5. The microscope for detecting the gear of the automobile windscreen wiper as claimed in claim 4, wherein a second spring (63) is sleeved outside a piston rod of the air cylinder (6).
6. The microscope for detecting the gear of the automobile windscreen wiper as claimed in claim 5, wherein a pressure transmitter (64) for detecting the internal pressure of the rodless cavity of the cylinder (6) is arranged on the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198097.1A CN112986274B (en) | 2021-02-22 | 2021-02-22 | Automobile windscreen wiper gear detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198097.1A CN112986274B (en) | 2021-02-22 | 2021-02-22 | Automobile windscreen wiper gear detection device |
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| CN112986274A true CN112986274A (en) | 2021-06-18 |
| CN112986274B CN112986274B (en) | 2021-09-17 |
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| CN202110198097.1A Active CN112986274B (en) | 2021-02-22 | 2021-02-22 | Automobile windscreen wiper gear detection device |
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| CN112986274B (en) | 2021-09-17 |
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Denomination of invention: An automobile wiper gear detection equipment Effective date of registration: 20220406 Granted publication date: 20210917 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Wangtan sub branch Pledgor: ZHEJIANG JIEZHONG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330000465 |
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Date of cancellation: 20230906 Granted publication date: 20210917 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Wangtan sub branch Pledgor: ZHEJIANG JIEZHONG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330000465 |