CN203929120U - The test fixture of differential gear tolerance clearance - Google Patents
The test fixture of differential gear tolerance clearance Download PDFInfo
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- CN203929120U CN203929120U CN201420288629.6U CN201420288629U CN203929120U CN 203929120 U CN203929120 U CN 203929120U CN 201420288629 U CN201420288629 U CN 201420288629U CN 203929120 U CN203929120 U CN 203929120U
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
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- 239000000047 product Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000006227 byproduct Substances 0.000 claims abstract description 3
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Abstract
The utility model provides a kind of test fixture of differential gear tolerance clearance, comprise a table frame, one is fixedly arranged on the controller on table frame, one level runs through the automatically transporting materials device of the product of this table frame, in table frame, be installed with respectively a torque test device, one angle measurement device, automatically transporting materials device comprises one group of feeding track, torque test device, angle measurement device are arranged side by side on feeding track and are positioned at table frame, and this group feeding track is for being transported to test station by product; Controller is electrically connected respectively with automatically transporting materials device, torque test device, angle measurement device, for controlling respectively the action of automatically transporting materials device, torque test device, angle measurement device.The utility model accurately detects fast by the performance that robotization, detection means that integrated level is high are provided have realized the gear train to every cover differential mechanism.
Description
Technical field
The utility model relates to a kind of testing apparatus of car transmissions, particularly the test fixture of the differential gear tolerance clearance of a kind of torsion of car transmissions differential mechanism, angle measurement.
Background technology
When automobile turning, the radius of turn of inboard wheel and outboard wheels is different, and the radius of turn of outboard wheels is greater than the radius of turn of inboard wheel, this just require turn time outboard wheels rotating speed will be higher than the rotating speed of inboard wheel.Automobile differential is the main part of drive axle.Its effect is exactly in the semiaxis transferring power of both sides, allows both sides semiaxis with different rotating speed rotations, meets two sidecar wheels and does equidistantly not travel with the form of pure rolling as far as possible, reduces the friction on tire and ground.Differential mechanism is made up of parts such as planet wheel, planetary wheel carrier (differential carrier), axle shaft gears.
The technological requirement of differential mechanism in production assembling process is very high, particularly the installation process to gear train.After assembling completes, need in the time that differential mechanism runs well, do the gap of torsional test and differential gear system tests.The at present measurement to gear backlash, is generally to adopt the thickness of measuring galvanized wire after galvanized wire interlock, or measures by the method for clearance gauge filling flank.
But these two kinds of methods are not only time-consuming but also inaccurate, and the gear mechanism having is due to the restriction of version, is difficult to use these two kinds of methods to measure.The gear train of differential mechanism all in planetary wheel carrier, therefore, extremely needs to provide a kind of robotization, checkout equipment that integrated level is high to measure the gear train of differential mechanism at present.
Utility model content
The technical problems to be solved in the utility model is in order to overcome the measurement of prior art to differential gear back lash, after the interlock of general employing galvanized wire, measure the thickness of galvanized wire, or measure by the method for clearance gauge filling flank, and these two kinds of methods are both time-consuming inaccurate, and the gear mechanism having is due to the restriction of version, also there is the defect that is difficult to use these two kinds of methods measurements, provide a kind of and can directly go out by the rotation measuring of stepper motor the maximal clearance swinging between gear, thereby know the test fixture of the differential gear tolerance clearance of the gap length between gear.
The utility model is to solve above-mentioned technical matters by following technical proposals: a kind of test fixture of differential gear tolerance clearance, its feature is, it comprises: a table frame, and the controller being fixedly arranged on this table frame, one level runs through the automatically transporting materials device of the product of this table frame, in this table frame, be installed with respectively: the torque test device of a torsional test for product, the angle measurement device of one test of the gear train angular clearances for product, this automatically transporting materials device comprises one group of feeding track, wherein, this torque test device, angle measurement device is arranged side by side on this group feeding track and is positioned at this table frame, this group feeding track is for being transported to test station by product, this controller is electrically connected respectively with this automatically transporting materials device, torque test device, angle measurement device, for controlling respectively the action of this automatically transporting materials device, torque test device, angle measurement device.
Preferably, this table frame comprises a working plate; This torque test device comprises: frock under frock and a torsional test on the torsional test being connected up and down, and a torsional test core component that is set on frock on this torsional test; Wherein, on this torsional test, frock comprises: one or four column frames, one is placed in the torsion torque sensor in this four column frame, one for connecting the coupling shaft of torsion torque sensor and differential mechanism, one for driving the motor of differential mechanism running, one group of cylinder for the lifting of push to test mechanism, on this torsional test, frock is located on working plate; Under this torsional test, frock is located under working plate, and under this torsional test, frock comprises: one group of positioning tool for differential mechanism location, and one group is used for the cylinder of the positioning tool lifting that promotes differential mechanism; This torsional test core component comprises: the motor of a torsional test for product, one is placed in the torsion torque sensor under this motor, and one for connecting the coupling shaft of torsion torque sensor and differential mechanism, actual torque when this torsion torque sensor reaches certain rotating speed for detection of differential mechanism.
Preferably, this angle measurement device comprises: frock under frock and angle measurement on connected angle measurement up and down, and one group wear frock on this angle measurement and for measuring the angle measurement core component of the anglec of rotation of differential mechanism, on this angle measurement, frock is installed on the working plate of table frame; On this angle measurement, frock comprises: one or four column frames, and one for promoting the cylinder of frock lifting on angle measurement; This angle measurement core component comprises: a stepper motor, one coupling shaft for connected with differential and stepper motor, and one group for promoting the cylinder that coupling shaft moves up and down, this angle measurement core component rotates under stepper motor drives for differential mechanism, and calculates the angle of rotation by the scrambler in controller; Under this angle measurement, frock comprises: one group of differential mechanism positioning tool, one group is distributed in the cylinder of these differential mechanism positioning tool both sides, one is fixedly arranged on this differential mechanism positioning tool and for the coupling shaft of fixing differential gear, and one for promoting the cylinder of coupling shaft lifting; Under this angle measurement, frock is installed under this working plate.
Preferably, this test fixture also comprises a marking device, this marking device is located at the downstream of this angle measurement device and is positioned on the working plate of this table frame, this marking device comprises: a marking machine, one group is arranged in the bottom of this marking machine and the guide rail for sliding, a cylinder that is fixedly arranged on a side of this marking machine and moves for promoting marking machine.Marking machine in this programme is the commercially available equipment that obtains, for stamping the code that dispatches from the factory on the qualified product of detection, producing the marks such as numbering.
Preferably, this product is the differential mechanism of an automobile.
Preferably, this controller is a PLC controller (programmable logic controller (PLC)), and this PLC controller is also for receiving the data of detection, and makes whether qualified judgement.PLC controller in this programme can be realized by language able to programme well known in the prior art, the improvement place of non-frock of this part, and and therefore not to repeat here.
Preferably, this automatically transporting materials device also comprises that a motor, this motor drive the lower gear rotating, and some feeding track both sides and sensors for detection of the position of product of being arranged on; This group feeding track is two chains, and two chains are meshed with gear, and two chains drive product to move to required station under the driving of motor
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the each preferred embodiment of the utility model.
Positive progressive effect of the present utility model is: by the assembly relation of each assembly, can complete the moment of torsion of automobile differential and the test request of angle, provide a kind of robotization, checkout equipment that integrated level is high to ensure that the performance of every group of differential mechanism reaches final technological requirement.
Brief description of the drawings
Fig. 1 is the structural drawing of the table frame of the utility model preferred embodiment.
Fig. 2 is the amplification assumption diagram of the automatically transporting materials device of the utility model preferred embodiment.
Fig. 3 is the structural drawing of frock on the torsional test of the utility model preferred embodiment torque test device.
Fig. 4 is the torsional test core component structural drawing of the utility model preferred embodiment torque test device.
Fig. 5 is tool structure figure under the torsional test of the utility model preferred embodiment torque test device.
Fig. 6 is tool structure figure on the angle measurement of the utility model preferred embodiment angle measurement device.
Fig. 7 is the angle measurement core component structural drawing of the utility model preferred embodiment angle measurement device.
Fig. 8 is frock amplification assumption diagram under the angle measurement of the utility model preferred embodiment angle measurement device.
Fig. 9 is the assembly structure figure of the test fixture of the utility model preferred embodiment.
Embodiment
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Embodiment
As shown in Fig. 1～9, the utility model provides a kind of test fixture (referring to Fig. 9) of differential gear tolerance clearance, comprise: a table frame 1 (referring to Fig. 1) and a controller 9 being fixedly arranged on this table frame, this table frame 1 comprises a working plate 101, in this table frame, be equipped with an automatically transporting materials device 2 (referring to Fig. 2) for product, in addition, in this table frame, feeding track 201 tops of automatically transporting materials device 2 are arranged side by side a torque test device for product (referring to Fig. 3～Fig. 5), the angle measurement device (referring to Fig. 6～Fig. 8) of one test of the gear train angular clearances for product, also be provided with one in the downstream of this angle measurement device for the marking device (not shown) that marks of specification product to detecting, wherein, this controller 9 is electrically connected respectively with this automatically transporting materials device, torque test device, angle measurement device, is respectively used to control the action of this automatically transporting materials device, torque test device, angle measurement device.
As shown in Figure 2, this automatically transporting materials device 2 mainly comprises that one group of feeding track 201, one motor and this motor drive the lower gear rotating.Actually add man-hour, this automatically transporting materials device 2 is placed in a frame, and this group feeding track can be two chains, two chains are meshed with gear, and under the driving of motor, gear rotation, thereby drive two chains parallel, and then drive product (being differential mechanism) to move to required station.This automatically transporting materials device also comprises some feeding track both sides sensor (not shown)s for detection of the station of each differential mechanism required in test process of being arranged on.The setting of those sensors can adopt the method to set up of sensor well known in the prior art to realize.The improvement place that the non-this programme of part is set of this sensor and sensor, and therefore not to repeat here.
As shown in Fig. 3～5, torque test device is divided on upper and lower two-part torsional test frock 5 under frock 3 and torsional test, and one group is set on this torsional test in frock and for measuring the torsional test core component 4 (referring to Fig. 4) of moment of torsion.Wherein, on torsional test, frock 3 (referring to Fig. 3) is installed on working plate and comprises: one or four 31, one groups of column frames are for the cylinder 32 of push to test mechanism lifting.
Torsional test core component 4 (referring to Fig. 4) comprising: for the motor 41 of product torsional test, torsion torque sensor 42, for connecting the coupling shaft 43 of torsion torque sensor and differential mechanism, this motor 41 is positioned on this torsion torque sensor 42, and 43 of this coupling shafts are positioned under this torsion torque sensor 42.
Referring to Fig. 5, under torsional test, frock 5 comprises: one group of differential mechanism positioning tool 51 is (such as two register pins that can be arranged on a casing, or other positioning tool well known in the prior art), one group is distributed in the both sides of differential mechanism positioning tool 51 and for promoting the cylinder 52 of differential mechanism positioning tool lifting, under this torsional test, frock is installed under working plate.
As shown in Fig. 6～8, angle measurement device of the present utility model comprises: frock 8 under frock 6 and angle measurement on point upper and lower two-part angle measurement, and one group wear frock on this angle measurement and for measuring the angle measurement core component 7 of the anglec of rotation of differential mechanism.
Referring to Fig. 6, on angle measurement, frock 6 comprises: four column frames 61, and for promoting the cylinder 62 of frock lifting on angle measurement.On angle measurement, frock is installed on working plate.
Referring to Fig. 7, comprise for the angle measurement core component 7 of the anglec of rotation of measuring differential gear: one for the stepper motor 71, that takes measurement of an angle for the coupling shaft 73 of connected with differential and stepper motor and the cylinder 72 that is placed in the below of this stepper motor 71 and moves up and down for promoting coupling shaft 73.
As shown in Figure 8, under angle measurement, frock 8 is installed under working plate and comprises: a differential mechanism positioning tool 81, two are positioned at the both sides of differential mechanism positioning tool 81 and for promoting the cylinder 82 of differential mechanism positioning tool lifting, one coupling shaft 83 for fixing differential gear, and for promoting the cylinder 84 of coupling shaft lifting.Wherein, this coupling shaft 83 is installed on differential mechanism positioning tool 81.
In order to carry out mark to detecting qualified differential mechanism product, the utility model also comprises a marking device.This marking device comprises: a commercially available marking machine, and one group of guide rail that is arranged in the bottom of this marking machine, slides for front and back, one for promoting the cylinder moving forward and backward of marking machine.The cylinder of marking device is fixedly arranged on a side of this marking machine, and this marking device is in the downstream of working plate top and angle measurement device.
The utility model by the assembly relation of each assembly, can complete the moment of torsion of automobile differential and the test request of angle, provides a kind of robotization, checkout equipment that integrated level is high to ensure that the performance of every group of differential mechanism reaches the process test requirement of fast accurate.
In conjunction with the specific descriptions of Fig. 1～9 and each part mentioned above, the utility model is tested as example for moment of torsion and the angle of the differential mechanism to an automobile, illustrates that the operation steps of this test fixture is as follows:
1, press device start button, manually the differential mechanism product of needs test is placed on feeding track.
2, automatically transporting materials device is delivered to torsion-testing station differential mechanism, and torsion torque sensor detects the existence of product.
3, under torsional test, the cylinder 52 of frock upwards moves, and differential mechanism positioning tool 51 is upwards pushed away, so differential mechanism is departed from feeding track and carries out left and right location.
4, then, on torsional test, the cylinder 32 of frock moves downwards, and torsional test core component 4 is pushed away downwards, and coupling shaft 43 can be inserted in the endoporus cogging of differential mechanism, is connected complete with differential mechanism.
5, the motor 41 of PLC controller control torsional test core component starts, so the gear train of differential mechanism inside is activated, torsion torque sensor 42 detects actual torsion data.Whether PLC controller judged result is qualified, and records measurement data, so that inquiry.
6, when after torsional test end of operation, motor 41 stop motions, cylinder 32 rises, and drives coupling shaft 43 to separate with differential mechanism.Meanwhile, under torsional test, the cylinder 52 of frock declines, and differential mechanism is separated with differential mechanism positioning tool 51.Differential mechanism is taken back on feeding track again.
7, automatically transporting materials device is delivered to differential mechanism the test station of angle measurement device, and the sensor of feeding track both sides detects the existence of product.
8, then, under the angle measurement of angle measurement device, the cylinder of frock rises, and differential mechanism positioning tool 81 is upwards pushed away, and makes differential mechanism be departed from feeding track and be located.
9, on angle measurement, the cylinder of frock declines, and angle measurement core component 7 is pushed away downwards.Meanwhile, the cylinder 72 of angle measurement core component moves downwards, and the coupling shaft 73 that promotes angle measurement core component and the differential mechanism endoporus that cogs closely cooperates; Meanwhile, under angle measurement, the cylinder 84 of frock 8 upwards moves, and the coupling shaft 83 that promotes frock 8 under angle measurement closely cooperates with differential mechanism lower gear endoporus.
10, the stepper motor 71 of controller 9 control angle test core assemblies 7 turns round clockwise, and stepper motor forwards the high order end of gear clearance to, is starting point so controller records this point; Then controller 9 control step motors antiport again, motor forwards the low order end of gear clearance to, controller 9, such as a PLC controller, recording this point is terminal.Then, PLC controller can draw the gap angular dimension that can swing between gear by calculating.PLC controller can be judged that whether the gear train of differential mechanism is qualified and record result.
11, after being completed, the cylinder 72 of angle measurement core component 7 upwards moves, and promotes coupling shaft 73 and the differential mechanism endoporus that cogs and departs from; Under angle measurement, the cylinder 84 of frock 8 moves downwards, and the coupling shaft 83 that promotes frock under angle measurement departs from differential mechanism lower gear endoporus.On angle measurement, the cylinder 62 of frock 6 rises, and under angle measurement, the cylinder 82 of frock 8 declines, so the differential mechanism positioning tool 81 of frock 8 departs under differential mechanism and angle measurement, and is put back on feeding track.
12, automatically transporting materials device is delivered to discharging station differential mechanism, and sensor detects that workpiece (being differential mechanism) exists.
13, automatically transporting materials device is delivered to differential mechanism the operation position of marking device.
14, marking device carries out mark to qualified differential mechanism.
The measurement that overcomes prior art gear backlash of the present utility model, generally adopts the thickness of measuring galvanized wire after galvanized wire interlock, or measures by the method for clearance gauge filling flank.These two kinds of methods are not only time-consuming but also inaccurate, and the gear mechanism having is due to the restriction of version, is difficult to the problem that uses these two kinds of methods to measure.Provide automobile differential torsion and angle measurement worktable to improve production efficiency, realized moment of torsion to automobile differential and the test request of angle.Ensured every cover automobile differential performance reach final technological requirement.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and amendment all fall into protection domain of the present utility model.
Claims (7)
1. the test fixture of a differential gear tolerance clearance, it is characterized in that, it comprises: a table frame, and the controller being fixedly arranged on this table frame, one level runs through the automatically transporting materials device of the product of this table frame, in this table frame, be installed with respectively: the torque test device of a torsional test for product, the angle measurement device of one test of the gear train angular clearances for product, this automatically transporting materials device comprises one group of feeding track, wherein, this torque test device, angle measurement device is arranged side by side on this group feeding track and is positioned at this table frame, this group feeding track is for being transported to test station by product, this controller is electrically connected respectively with this automatically transporting materials device, torque test device, angle measurement device, for controlling respectively the action of this automatically transporting materials device, torque test device, angle measurement device.
2. test fixture as claimed in claim 1, is characterized in that, this table frame comprises a working plate; This torque test device comprises: frock under frock and a torsional test on the torsional test being connected up and down, and a torsional test core component that is set on frock on this torsional test; Wherein, on this torsional test, frock comprises: one or four column frames, one is placed in the torsion torque sensor in this four column frame, one for connecting the coupling shaft of torsion torque sensor and differential mechanism, one for driving the motor of differential mechanism running, one group of cylinder for the lifting of push to test mechanism, on this torsional test, frock is located on working plate; Under this torsional test, frock is located under working plate, and under this torsional test, frock comprises: one group of positioning tool for differential mechanism location, and one group is used for the cylinder of the positioning tool lifting that promotes differential mechanism; This torsional test core component comprises: the motor of a torsional test for product, one is placed in the torsion torque sensor under this motor, and one for connecting the coupling shaft of torsion torque sensor and differential mechanism, actual torque when this torsion torque sensor reaches certain rotating speed for detection of differential mechanism.
3. test fixture as claimed in claim 1, it is characterized in that, this angle measurement device comprises: frock under frock and angle measurement on connected angle measurement up and down, and one group wear frock on this angle measurement and for measuring the angle measurement core component of the anglec of rotation of differential mechanism, on this angle measurement, frock is installed on the working plate of table frame; On this angle measurement, frock comprises: one or four column frames, and one for promoting the cylinder of frock lifting on angle measurement; This angle measurement core component comprises: a stepper motor, one coupling shaft for connected with differential and stepper motor, and one group for promoting the cylinder that coupling shaft moves up and down, this angle measurement core component rotates under stepper motor drives for differential mechanism, and calculates the angle of rotation by the scrambler in controller; Under this angle measurement, frock comprises: one group of differential mechanism positioning tool, one group is distributed in the cylinder of the both sides of this differential mechanism positioning tool, one is fixedly arranged on this differential mechanism positioning tool and for the coupling shaft of fixing differential gear, and one for promoting the cylinder of coupling shaft lifting; Under this angle measurement, frock is installed under this working plate.
4. test fixture as claimed in claim 1, it is characterized in that, this test fixture also comprises a marking device, this marking device is located at the downstream of this angle measurement device and is positioned on the working plate of this table frame, this marking device comprises: a marking machine, one group is arranged in the bottom of this marking machine and the guide rail for sliding, a cylinder that is fixedly arranged on a side of this marking machine and moves for promoting marking machine.
5. test fixture as claimed in claim 1, is characterized in that, this product is the differential mechanism of an automobile.
6. test fixture as claimed in claim 1, is characterized in that, this controller is a PLC controller, and this PLC controller is also for receiving the data of detection, and makes whether qualified judgement.
7. test fixture as claimed in claim 1, is characterized in that, this automatically transporting materials device also comprises that a motor, this motor drive the lower gear rotating, and some feeding track both sides and sensors for detection of the position of product of being arranged on; This group feeding track is two chains, and two chains are meshed with gear, and two chains drive product to move to required station under the driving of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288629.6U CN203929120U (en) | 2014-05-30 | 2014-05-30 | The test fixture of differential gear tolerance clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288629.6U CN203929120U (en) | 2014-05-30 | 2014-05-30 | The test fixture of differential gear tolerance clearance |
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| CN203929120U true CN203929120U (en) | 2014-11-05 |
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| CN201420288629.6U Expired - Lifetime CN203929120U (en) | 2014-05-30 | 2014-05-30 | The test fixture of differential gear tolerance clearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470771A (en) * | 2017-08-02 | 2017-12-15 | 珠海市赛科自动化有限公司 | A kind of perfume fumigator tests lathe |
| CN112461089A (en) * | 2020-11-25 | 2021-03-09 | 大连日牵电机有限公司 | Tooth aligning assembly tool and detection method |
-
2014
- 2014-05-30 CN CN201420288629.6U patent/CN203929120U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470771A (en) * | 2017-08-02 | 2017-12-15 | 珠海市赛科自动化有限公司 | A kind of perfume fumigator tests lathe |
| CN112461089A (en) * | 2020-11-25 | 2021-03-09 | 大连日牵电机有限公司 | Tooth aligning assembly tool and detection method |
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