CN111060053A - Rear axle main reducing gear assembly clearance measuring system and method - Google Patents
Rear axle main reducing gear assembly clearance measuring system and method Download PDFInfo
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- CN111060053A CN111060053A CN201911399936.5A CN201911399936A CN111060053A CN 111060053 A CN111060053 A CN 111060053A CN 201911399936 A CN201911399936 A CN 201911399936A CN 111060053 A CN111060053 A CN 111060053A
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
Abstract
The invention relates to the technical field of gear quality detection equipment, and provides a rear axle main reducing gear assembly clearance measuring system which comprises a positioning support for placing a main speed reducer, a rotating mechanism for driving main and driven gears in the main speed reducer to perform meshing motion, an angle sensor for detecting the rotating angle of the main gears, and a clamping block for locking the main speed reducer, wherein the angle sensor is connected with an instrument meter for measuring, calculating and displaying a measured value, and the clamping block is arranged on the positioning support. The method for measuring the assembly clearance of the main reducing gear of the rear axle comprises the steps S1-S5. Compared with manual measurement, the invention has higher measurement efficiency through the measurement of the sensor and the instrument; the position of the main reducer is fixed in the measuring process, the consistency of the tooth side clearance measurement is guaranteed, and the method is also suitable for the clearance measurement of different main reducer products.
Description
Technical Field
The invention relates to the technical field of gear quality detection equipment, in particular to a rear axle main reducing gear assembly clearance measurement system and method.
Background
The quality of the gear backlash of the rear axle main reducer is an important index for ensuring the assembly quality of the gear, and the excessive or insufficient backlash can influence the meshing transmission of the main reducer gear and influence the assembly quality of the rear axle. The main driven gear backlash is detected after the main speed reducer is assembled, whether the main speed reducer assembling quality meets the assembling requirement or not is detected through numerical value comparison, the gear backlash is readjusted and installed when the gear backlash is too large or too small, and the gear backlash is controlled through adjusting splines, increasing and decreasing gaskets and the like so as to meet the assembling process requirement.
The current field practice is as follows: after the assembly of the main gear and the differential housing is completed, a detector places the gears on an assembly table, a common dial indicator is adopted to detect the concave-convex surfaces of a pair of meshed gears, a pointer of the dial indicator is fixed on the concave surface of a main gear and serves as a starting point, the pointer is adjusted and fixed on the convex surface of a driven gear, the adjustment range of the pointer is observed, namely the numerical value of the tooth side gap, due to manual detection, the random error is large, a detection instrument and a detection method are lack of uniform specifications (the dial indicator jumps greatly, the measurement precision of the instrument is low, the position of the detection pointer on the concave-convex surface is not specifically and clearly specified, the detection result is easy to fluctuate greatly due to manual detection), the detection quality and the efficiency of the tooth side gap of the gears are influenced, and the gear assembly quality is further influenced.
Disclosure of Invention
The invention aims to provide a rear axle main reducer gear assembly clearance measuring system and method, which can ensure accurate measurement of rear axle main reducer gear assembly clearance through the cooperation of a rotating mechanism, an angle sensor, a clamping block and an instrument meter, and evaluate the main reducer assembly quality.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: a rear axle main reducing gear assembly clearance measuring system comprises a positioning support used for placing a main speed reducer, a rotating mechanism used for driving main driven teeth in the main speed reducer to perform meshing motion, an angle sensor used for detecting the rotating angle of the main teeth and a clamping block used for locking the main speed reducer, wherein the angle sensor is connected with an instrument meter used for measuring, calculating and displaying a measured value, and the clamping block is installed on the positioning support.
Furthermore, the locating support comprises a support platform, and a locating column which can be matched with the column hole of the main speed reducer to achieve locating is arranged on the support platform.
Furthermore, the support platform is supported by a positioning base, and a rotating mechanism for adjusting the angle of the support platform is arranged at the joint of the support platform and the positioning base.
Furthermore, rotary mechanism including can insert the rotation post in the cylinder hole on the ring flange of main reducer, supply the carousel of rotating the post installation and being used for driving about carousel pivoted rotation motor, angle sensor with rotate the coaxial setting of motor.
Further, the lifting mechanism is used for adjusting the height of the rotating mechanism.
Furthermore, elevating system is including supplying the supporting connection board of rotary mechanism installation, be used for the slide bar of supporting connection board direction, supply the direction bottom plate of slide bar installation, threaded connection in the lead screw of the screw hole of supporting connection board and be used for ordering about lead screw pivoted driving motor.
Furthermore, the clamping block comprises a clamping positioning block with a through hole, a positioning bolt penetrating through the through hole of the clamping positioning hole and a locking spring sleeved on the positioning bolt, one end of the positioning bolt is fixed on the positioning support, the clamping positioning block is arranged on the positioning bolt in a sliding mode, the positioning bolt penetrates through one end of the clamping positioning block and is connected with a locking nut in a threaded mode, and the locking spring is located on one side, far away from the locking nut, of the clamping positioning block.
Further, the clamping device also comprises a fixed clamping sleeve mechanism for clamping the driven gear of the main speed reducer.
Further, the fixed clamping sleeve mechanism comprises a mounting plate suspended above the main speed reducer, a first clamping sleeve used for fixedly clamping the tooth back of the driven gear, a second clamping sleeve used for fixing the tooth top of the driven gear, and a sliding motor used for driving the first clamping sleeve and the second clamping sleeve to slide on the mounting plate.
The embodiment of the invention provides another technical scheme: a method for measuring the assembly clearance of a main reducing gear of a rear axle comprises the following steps:
s1, locking the main speed reducer on the positioning bracket through a clamping block;
s2, driving the main driven gear in the main reducer to engage with the gear by a rotating mechanism, and recording the measurement starting point by an angle sensor;
s3, changing the rotation direction by adopting the rotating mechanism, rotating the main gear at a low speed until the main gear contacts the driven gear again, recording the motion point as a measurement end point, and measuring by the angle sensor in the whole process to obtain the angle difference from the measurement starting point to the measurement end point;
s4, repeating the steps S2 and S3 to obtain multiple angular differences, and taking an average value as the rotating and meshing angle of the main gear of the main speed reducer;
and S5, measuring the positive and negative rotating tooth side clearance value according to the obtained angle by using an instrument table and displaying the value.
Compared with the prior art, the invention has the beneficial effects that:
1. compared with manual measurement, the measurement system has higher measurement efficiency through the measurement of the sensor and the instrument.
2. The positioning and clamping mode of the measuring system can ensure that the position of the main reducer is fixed in the measuring process, the consistency of the measurement of the backlash is ensured, and the measuring system is also suitable for the measurement of the backlash of different main reducer products.
3. The driving and measuring modes of the measuring system are matched with each other, and after the main speed reducer is clamped, the rotating mechanism drives the main driven gear to rotate at a low speed, so that normal meshing is ensured; after the fixed jacket clamps and fixes the driven gear, the rotating mechanism rotates the main gear until the main gear is contacted with the driven gear, the rotating angle is recorded by the angle sensor, the numerical value of the clearance between the assembling gear sides of the main speed reducer is determined by combining an instrument, the error caused by manual measurement is avoided, and the detection is more accurate.
4. The measuring system can ensure the gear tooth side clearance quality and the assembly quality of the rear axle gear, has simple structure and simple and convenient operation, is convenient for improving the detection precision and is convenient for the subsequent assembly work.
Drawings
FIG. 1 is a front view of a rear axle main reduction gear assembly clearance measurement system provided in an embodiment of the present invention;
FIG. 2 is a perspective view of a rear axle main reduction gear assembly clearance measurement system provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rotating mechanism and a lifting mechanism of a rear axle main reduction gear assembly clearance measuring system according to an embodiment of the present invention;
FIG. 4.1 is a schematic view of a positioning bracket of a rear axle main reduction gear assembly clearance measuring system according to an embodiment of the present invention;
FIG. 4.2 is a schematic diagram of a rotating mechanism of a positioning bracket of a rear axle main reducing gear assembly clearance measuring system according to an embodiment of the present invention;
FIG. 5 is a schematic view of a clamping block of a rear axle main reduction gear assembly clearance measuring system according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a fixed clamping mechanism of a rear axle main reduction gear assembly clearance measuring system according to an embodiment of the present invention;
in the reference symbols: 1-fixed jacket mechanism, 11-clamping slide block, 12-first jacket, 13-mounting plate, 14-second jacket, 2-positioning support, 21-positioning column, 22-positioning base, 23-rotating mechanism, 24-rotating handle, 25-support platform, 3-instrument, 4-fixed base, 5-main reducer, 6-clamping block, 61-positioning bolt, 62-clamping positioning block, 63-locking spring, 64-locking nut, 65-balance bolt, 7-rotating mechanism, 71-rotating column, 72-rotating disc, 73-angle sensor, 74-rotating motor, 8-lifting mechanism, 81-guide bottom plate, 82-sliding rod, 83-support connecting plate, 83-lifting mechanism, lifting mechanism, 84-lead screw, 85-driving motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4.1, fig. 4.2, fig. 5 and fig. 6, an embodiment of the present invention provides a rear axle final reduction gear assembly clearance measurement system, which includes a positioning bracket 2 for placing a final reduction gear 5, in addition, the system further includes a rotating mechanism 7 for driving primary and secondary teeth in the final reduction gear 5 to perform a meshing motion, an angle sensor 73 for detecting a rotation angle of the primary teeth, and a clamping block 6 for locking the final reduction gear 5, the angle sensor 73 is connected with an instrument 3 for measuring and displaying a measured value, and the clamping block 6 is mounted on the positioning bracket 2. In the embodiment, the positioning bracket 2 is used for placing the main reducer 5 and positioning the main reducer 5, after the main reducer 5 is arranged on the positioning bracket 2, the main reducer 5 is locked by the clamping block 6, then the rotating mechanism 7 is used for driving the main reducer 5 to rotate, angle measurement is carried out in the rotating process through the angle sensor 73, and finally, measurement is carried out through the instrument 3 and the measured value is displayed. The specific measurement method comprises the following steps: s1, locking the main speed reducer 5 on the positioning bracket 2 through the clamping block 6; s2, driving the main driven gear in the main speed reducer 5 to perform meshing motion by using the rotating mechanism 7, and recording the measurement starting point by using the angle sensor 73; s3, changing the rotation direction by the rotating mechanism 7, rotating the main gear at a low speed until the main gear contacts the driven gear again, marking the motion point as a measurement end point, and measuring by the angle sensor 73 in the whole process to obtain the angle difference from the measurement start point to the measurement end point; s4, repeating the steps S2 and S3 to obtain a plurality of angular differences, and taking an average value as the rotating and meshing angle of the main gear of the main speed reducer 5; s5, the positive and negative backlash values are measured from the obtained angle using the instrument table 3 and displayed. The measurement principle is that in the meshing process of the hypoid gear, the main driven gear meets the condition of theoretical speed ratio at any time, namely the ratio of the rotating angle of the driving gear to the rotating angle of the driven gear is equal to the theoretical speed ratio, but due to the existence of the tooth side clearance, the actual speed ratio under the actual working condition is not equal to the theoretical speed ratio, and the hypoid gear can be measured by the angle difference in the rotating processTo obtain backlash in the direction of rotation of the gears during meshing. In gear engagement, a main driven tooth always follows the periodic cycle of engagement-disengagement-engagement, a disengagement link existing between two engagements is a tooth side gap between two teeth engagement, and a rotation angle reflected on a rotation angle is a rotation angle between engaging tooth surfaces, the rotation angle theta and the tooth side gap J are as follows:
where r denotes the small wheel radius.
The following are specific examples:
the positioning bracket 2 is detailed, please refer to fig. 1, fig. 2 and fig. 4.1, the positioning bracket 2 includes a bracket platform 25, and a positioning column 21 capable of being matched with a column hole of the main speed reducer 5 to realize positioning is arranged on the bracket platform 25. Preferably, the rotating mechanism 7 is disposed below the support platform 25, and the support platform 25 is provided with a through hole through which an output end of the rotating mechanism 7 passes and is connected to the main speed reducer 5. Preferably, the supporting platform 25 is supported by a positioning base 22, and a rotating mechanism 23 for adjusting the angle of the supporting platform 25 is disposed at the joint of the supporting platform 25 and the positioning base 22. In the present embodiment, the stand platform 25 is for the final drive 5 to rest on, and the positioning column 21 mounted thereon can be inserted into the column hole of the final drive 5 to position the final drive 5. The positioning base 22 can support the support platform 25, and the angle of the support platform 25 can be adjusted through the rotating mechanism 23, the adjustment mode is that the ejector block is adjusted, as shown in fig. 4.1, the angle is adjusted through the rotating handle 24, and the ejector block is inserted into the corresponding groove after the adjustment is completed, so that the positioning is completed. The through hole is formed in the support platform 25, so that the rotating mechanism 7 can be conveniently arranged below the support platform 25, and the mounting position is optimized. Preferably, the clamping block 6 is mounted on the carriage platform 25. Preferably, the positioning bracket 2 is arranged on the fixed base 4.
With reference to fig. 1, 2 and 3, the rotating mechanism 7 includes a rotating post 71 that can be inserted into a cylindrical hole on a flange of the main reducer 5, a rotating disc 72 on which the rotating post 71 is mounted, and a rotating motor 74 for driving the rotating disc 72 to rotate, and the angle sensor 73 is disposed coaxially with the rotating motor 74. The rotation mode is that the rotating motor 74 is used to drive the rotating disc 72 to rotate, then the rotating disc 72 drives the rotating column 71 thereon to rotate, and further drives the flange of the main speed reducer 5 to rotate, and the rotating motor 74 can drive the flange to rotate forward and backward by controlling the forward and backward rotation thereof. Preferably, the fixed base 4 has a through hole for the rotation mechanism 7 to partially pass through, so that the layout of the system is simpler, and the height space is reasonably utilized.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 3, the system further includes a lifting mechanism 8 for adjusting the height of the rotating mechanism 7. In this embodiment, the elevating mechanism 8 is used to adjust the height of the rotating mechanism 7, so that the rotating mechanism 7 can be more conveniently installed in butt joint with the final drive 5.
With reference to fig. 1, 2 and 3, the lifting mechanism 8 includes a support connection plate 83 for mounting the rotating mechanism 7, a slide rod 82 for guiding the support connection plate 83, a guide bottom plate 81 for mounting the slide rod 82, a lead screw 84 in threaded connection with a threaded hole of the support connection plate 83, and a driving motor 85 for driving the lead screw 84 to rotate. In this embodiment, the lifting mode is a mode of transmission by a lead screw 84, specifically, a driving motor 85 rotates, so that the supporting connecting plate 83 moves up and down along the lead screw 84, and further drives the rotating mechanism 7 disposed thereon to move up and down, and the slide rod 82 is used as a guide to control the moving direction.
The clamping block 6 is detailed, please refer to fig. 1, fig. 2 and fig. 5, the clamping block 6 includes a clamping positioning block 62 having a through hole, a positioning bolt 61 passing through the through hole of the clamping positioning hole, and a locking spring 63 sleeved on the positioning bolt 61, one end of the positioning bolt 61 is fixed on the positioning bracket 2, the clamping positioning block 62 is slidably disposed on the positioning bolt 61, one end of the positioning bolt 61 passing through the clamping positioning block 62 is connected with a locking nut 64 through a thread, and the locking spring 63 is located on one side of the clamping positioning block 62 away from the locking nut 64. In this embodiment, the main reducer 5 is clamped by the clamping block 6, the positioning bolt 61 is fixed on the support platform 25, the clamping positioning block 62 is placed on the reducer casing of the main reducer 5, and the locking spring 63 is combined to realize the positioning and clamping of the main reducer 5 through the downward locking action of the locking nut 64, and preferably, a balance bolt 65 is provided to play a balance role.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 6, the system further includes a fixing clamping mechanism 1 for clamping the driven gear of the final drive 5. Preferably, the fixed jacket mechanism 1 includes a mounting plate 13 suspended above the main reducer 5, a first jacket 12 for fixedly clamping the tooth back of the driven gear, a second jacket 14 for fixing the tooth top of the driven gear, and a sliding motor for driving the first jacket 12 and the second jacket 14 to slide on the mounting plate 13. In this embodiment, the driven gear in the main reducer 5 can be normally engaged, after the low-speed engagement rotation is stopped (i.e. the rotation of the rotating motor 74 is stopped), the clamping slider 11 in the fixed jacket mechanism 1 is driven by the sliding motor to slide, so as to drive the first jacket 12 and the second jacket 14 to move towards each other, the first jacket 12 fixes the back position of the driven gear, and the second jacket 14 fixes the top part of the driven gear, so as to clamp the driven gear in the main reducer 5 and restrain the driven gear from freely engaging and rotating.
Example two:
the embodiment of the invention provides a method for measuring the assembly clearance of a main reducing gear of a rear axle, which comprises the following steps:
s1, locking the main speed reducer 5 on the positioning bracket 2 through the clamping block 6;
s2, driving the main driven gear in the main speed reducer 5 to perform meshing motion by using the rotating mechanism 7, and recording the measurement starting point by using the angle sensor 73;
s3, changing the rotation direction by the rotating mechanism 7, rotating the main gear at a low speed until the main gear contacts the driven gear again, marking the motion point as a measurement end point, and measuring by the angle sensor 73 in the whole process to obtain the angle difference from the measurement start point to the measurement end point;
s4, repeating the steps S2 and S3 to obtain a plurality of angular differences, and taking an average value as the rotating and meshing angle of the main gear of the main speed reducer 5;
s5, the positive and negative backlash values are measured from the obtained angle using the instrument table 3 and displayed.
In this embodiment, after the driven gear in the main speed reducer 5 is constrained to rotate in a meshing manner, the rotating motor 74 in the rotating mechanism 7 is controlled to rotate at a low speed, so that the convex surface (or concave surface) of the main gear in the main speed reducer 5 is firstly contacted with the concave surface (or convex surface) of the passive gear (constrained by the gear and unable to rotate), which is a measurement starting point, then the rotating motor 74 changes the rotating direction, and under the driving of the rotating motor 74, the main gear rotates at a low speed until the main gear is contacted with the passive gear again (constrained by the gear at this time, the main gear cannot continue to rotate in a meshing manner), which is a measurement end point, and in the process, the angle sensor 73 records the angle difference between the measurement starting point and the measurement end point as the rotation angle. The rotating motor 74 is regulated to rotate clockwise, and a gap corresponding to the angle difference measured by the contact of the convex surface of the main tooth and the concave surface of the tooth is driven to be a forward rotating gap; and anticlockwise rotating to drive the angle difference measured by the contact of the concave surface of the main tooth and the convex surface of the driven tooth to correspondingly obtain a reversal gap. In this way, the operation is repeated twice again to obtain the angle values measured three times, the average value is taken as the rotating and meshing angle of the main gear of the main speed reducer 5, the numerical value of the positive and negative rotating gear backlash is measured through the relation between the rotating angle and the assembling gear backlash in the instrument, the numerical value is displayed in an instrument table 3, and the numerical value and the assembling requirement of the gear backlash of the main speed reducer 5 are compared and analyzed. And detecting whether the assembling quality of the tooth side clearance of the main reducer 5 meets the assembling requirement or not through numerical value comparison. The measurement principle is that in the meshing process of the hypoid gear, the main driven gear meets the condition of theoretical speed ratio at any time, namely the ratio of the rotating angle of the driving gear to the rotating angle of the driven gear is equal to the theoretical speed ratio, but due to the existence of the tooth side clearance, the actual speed ratio is not equal to the theoretical speed ratio under the actual working condition, and the tooth side clearance of the gear in the rotating direction in the meshing process can be obtained through the angle difference in the rotating process. In gear engagement, the primary and secondary teeth always follow a periodic cycle of engagement-disengagement-engagement,the disengaging link existing between the two gears is the gear side clearance between the two gears, the rotation angle reflected on the rotation angle is the rotation angle between the gear surfaces of the gears, the rotation angle theta and the gear side clearance J are as follows:
where r denotes the small wheel radius.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a rear axle owner subtracts gear fit-up clearance measurement system, includes the locating support that is used for shelving main reducer, its characterized in that: the main and driven gears in the main speed reducer are driven to do meshing motion through the rotating mechanism, the angle sensor is used for detecting the rotating angle of the main gear, the clamping block is used for locking the main speed reducer, the angle sensor is connected with an instrument meter used for measuring and calculating and displaying a measured value, and the clamping block is installed on the positioning support.
2. The rear axle main reduction gear assembly clearance measurement system of claim 1, wherein: the positioning support comprises a support platform, and a positioning column which can be matched with a column hole of the main speed reducer to realize positioning is arranged on the support platform.
3. The rear axle main reduction gear assembly clearance measurement system of claim 2, wherein: the support platform is supported by the positioning base, and a rotating mechanism for adjusting the angle of the support platform is arranged at the joint of the support platform and the positioning base.
4. The rear axle main reduction gear assembly clearance measurement system of claim 1, wherein: the rotating mechanism comprises a rotating column which can be inserted into a cylindrical hole in a flange plate of the main speed reducer, a rotating disc for mounting the rotating column and a rotating motor for driving the rotating disc to rotate, and the angle sensor and the rotating motor are coaxially arranged.
5. The rear axle main reduction gear assembly clearance measurement system of claim 1, wherein: the lifting mechanism is used for adjusting the height of the rotating mechanism.
6. The rear axle main reduction gear assembly clearance measurement system of claim 5, wherein: the lifting mechanism comprises a supporting connection plate for mounting the rotating mechanism, a sliding rod for guiding the supporting connection plate, a guiding bottom plate for mounting the sliding rod, a lead screw in threaded connection with a threaded hole of the supporting connection plate, and a driving motor for driving the lead screw to rotate.
7. The rear axle main reduction gear assembly clearance measurement system of claim 1, wherein: the clamping block comprises a clamping positioning block with a through hole, a positioning bolt penetrating through the through hole of the clamping positioning hole and a locking spring sleeved on the positioning bolt, one end of the positioning bolt is fixed on the positioning support, the clamping positioning block is arranged on the positioning bolt in a sliding mode, the positioning bolt penetrates through one end of the clamping positioning block and is connected with a locking nut in a threaded mode, and the locking spring is located on one side, far away from the locking nut, of the clamping positioning block.
8. The rear axle main reduction gear assembly clearance measurement system of claim 1, wherein: the clamping device further comprises a fixing clamping sleeve mechanism used for clamping the driven gear of the main speed reducer.
9. The rear axle main reduction gear assembly clearance measurement system of claim 8, wherein: the fixed clamping sleeve mechanism comprises a mounting plate, a first clamping sleeve, a second clamping sleeve and a sliding motor, wherein the mounting plate is arranged above the main speed reducer in a suspending mode, the first clamping sleeve is used for fixedly clamping the tooth back of the driven gear, the second clamping sleeve is used for fixing the tooth top of the driven gear, and the sliding motor is used for driving the first clamping sleeve and the second clamping sleeve to slide on the mounting plate.
10. A method for measuring the assembly clearance of a main reducing gear of a rear axle is characterized by comprising the following steps:
s1, locking the main speed reducer on the positioning bracket through a clamping block;
s2, driving the main driven gear in the main reducer to engage with the gear by a rotating mechanism, and recording the measurement starting point by an angle sensor;
s3, changing the rotation direction by adopting the rotating mechanism, rotating the main gear at a low speed until the main gear contacts the driven gear again, recording the motion point as a measurement end point, and measuring by the angle sensor in the whole process to obtain the angle difference from the measurement starting point to the measurement end point;
s4, repeating the steps S2 and S3 to obtain multiple angular differences, and taking an average value as the rotating and meshing angle of the main gear of the main speed reducer;
and S5, measuring the positive and negative rotating tooth side clearance value according to the obtained angle by using an instrument table and displaying the value.
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| CN201911399936.5A CN111060053A (en) | 2019-12-30 | 2019-12-30 | Rear axle main reducing gear assembly clearance measuring system and method |
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| CN201911399936.5A CN111060053A (en) | 2019-12-30 | 2019-12-30 | Rear axle main reducing gear assembly clearance measuring system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917442A (en) * | 2021-03-29 | 2021-06-08 | 北京德海鸿福数字化装备技术有限公司 | Automatic adjusting and detecting device for main speed reducer flower nut |
| CN113340252A (en) * | 2021-05-24 | 2021-09-03 | 纳铁福传动系统(平湖)有限公司 | Dynamic detection equipment for transmission error and clearance of hypoid bevel gear after assembly |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112486A (en) * | 1995-10-17 | 1997-05-02 | Kubota Corp | Drainage pump |
| CN101419120A (en) * | 2008-11-07 | 2009-04-29 | 辽宁曙光汽车集团股份有限公司 | System for measuring and selecting general-purpose axle shaft gear adjusting washer of drive axle assembly and measuring and selecting method |
| JP2009222222A (en) * | 2008-02-20 | 2009-10-01 | Mitsubishi Electric Corp | Worm reduction gear, revolvable camera using the same and radio wave receiver |
| CN202335345U (en) * | 2011-12-13 | 2012-07-18 | 卧龙电气集团股份有限公司 | Gear clearance compensation device for air door of bulk curer controller |
| CN204177324U (en) * | 2014-09-29 | 2015-02-25 | 江西江铃底盘股份有限公司 | Automobile drive axle main deceleration assembly gear backlash pick-up unit |
| CN104551644A (en) * | 2014-12-24 | 2015-04-29 | 北京泰诚信测控技术股份有限公司 | System for adjusting bearing rotating torque of main speed reducer and gear backlash of driving/driven gear pair |
| CN204630682U (en) * | 2014-12-24 | 2015-09-09 | 北京泰诚信测控技术股份有限公司 | Main reducing gear bearing driving torque and the secondary backlash pick-up unit of active and passive gear |
| CN205228328U (en) * | 2015-12-16 | 2016-05-11 | 东莞市知音电子有限公司 | Phone's frame examines utensil |
| CN206577665U (en) * | 2017-03-08 | 2017-10-24 | 郑州金鑫机械制造有限公司 | High-efficient Stirrer |
| CN107314760A (en) * | 2017-06-16 | 2017-11-03 | 武汉理工大学 | Axle gear matches impression camera system afterwards |
| CN206683517U (en) * | 2017-03-07 | 2017-11-28 | 马鞍山市常立发机械制造有限公司 | A kind of gear chamber cover cubing |
| CN110108179A (en) * | 2019-05-15 | 2019-08-09 | Oppo广东移动通信有限公司 | A kind of fixed device of battery cover and camber measuring system |
-
2019
- 2019-12-30 CN CN201911399936.5A patent/CN111060053A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112486A (en) * | 1995-10-17 | 1997-05-02 | Kubota Corp | Drainage pump |
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