CN111693278A - Test bench and position adjusting device of output shaft thereof - Google Patents
Test bench and position adjusting device of output shaft thereof Download PDFInfo
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- CN111693278A CN111693278A CN202010421021.6A CN202010421021A CN111693278A CN 111693278 A CN111693278 A CN 111693278A CN 202010421021 A CN202010421021 A CN 202010421021A CN 111693278 A CN111693278 A CN 111693278A
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- frame body
- workbench
- output shaft
- lifting
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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
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Abstract
The invention provides a test bench and a position adjusting device of an output shaft thereof. The position adjusting device of the output shaft comprises a frame body, a lifting mechanism, a guide mechanism and a workbench. Wherein, the frame body is internally provided with a hollow accommodating cavity. The lifting mechanism is arranged in the accommodating cavity and supports the frame body so as to lift the frame body up and down; the guide mechanism is arranged on one side of the frame body and is in guide fit with the frame body; the workstation is used for the output shaft of installation fixed derailleur, and the upper end and the moving direction perpendicular to direction of lift of support body are located to the workstation is portable to the relative position of adjustment output shaft, in order to adapt to the test demand of the different automatic gearbox of many models of centre-to-centre spacing.
Description
Technical Field
The invention relates to the field of transmission testing, in particular to a testing bench and position adjusting equipment of an output shaft of the testing bench.
Background
With the rapid development of the automotive field, the requirements for stability and reliability of a transmission, which is one of important parts of an automobile, are increasing. During the design and development process of the transmission, various performance tests are often performed on the transmission by adopting a simulation test method in order to verify the stability and reliability of the design.
Under the condition of collinear production of various automatic transmissions, because the types of the transmissions are more, the center distance and the center included angle of the transmissions of all types are different, and the positions of output shafts of a final test bench of an automobile power system are different. Specifically, the center distance of the automatic transmission is the length of a connecting line between the center of the hydraulic torque converter and the center of the differential hole of the transmission, and the included angle of the centers is an acute angle formed by the connecting line and the horizontal direction. These two parameters will determine the relative position of the output shaft and the input shaft at the final test station.
Different transmission test benches need to be designed correspondingly for different types of transmissions, and therefore production cost is high. Moreover, considering that the test bench needs to be compatible with multifunctional test requirements, the requirement on the flexibility of the whole structure is higher.
Disclosure of Invention
The invention aims to provide a position adjusting device of an output shaft, which can meet the test requirements of a plurality of automatic transmissions with different center distances.
The invention aims to provide a test bench which is provided with the position adjusting device of the output shaft.
In order to solve the technical problems, the invention adopts the following technical scheme:
a position adjustment apparatus of an output shaft, comprising: the frame body is internally provided with a hollow accommodating cavity; the lifting mechanism is arranged in the accommodating cavity and supports the frame body so as to enable the frame body to lift up and down; the guide mechanism is arranged on one side of the frame body and is in guide fit with the frame body; the workbench is used for installing and fixing an output shaft of the transmission, and the workbench can be movably arranged at the upper end of the frame body, and the moving direction of the workbench is perpendicular to the lifting direction so as to adjust the relative position of the output shaft.
According to one embodiment of the invention, the shelf body comprises a shelf body base and two side wings which oppositely protrude from one side of the shelf body base, and the shelf body base and the two side wings enclose to form the accommodating cavity; the lifting mechanism is supported and arranged below the base part of the frame body.
According to one embodiment of the invention, the frame body base comprises a top plate and two side plates which are respectively bent and extended from two side edges of the top plate towards the same direction, the extension length of one side plate is greater than that of the other side plate, and the side wings are obliquely connected between the top plate and the two side plates; the workbench can be horizontally arranged on the upper surface of the top plate in a moving mode, and the guide mechanism is arranged on the side wall of the side plate with the larger length.
According to one embodiment of the invention, a plurality of translation sliding rails distributed at intervals and a driving motor for driving the workbench to move horizontally are horizontally arranged on the upper surface of the frame body; the lower end of the workbench is provided with sliding blocks which are correspondingly matched with the translation sliding rails in a sliding mode, and the driving end of the driving motor is connected to the workbench along the horizontal direction so as to drive the workbench to horizontally slide along the translation sliding rails.
According to one embodiment of the invention, at least one sliding block is correspondingly provided with a locking piece; the locking piece is used for locking and positioning the sliding block on the translation sliding rail so as to limit the displacement of the workbench.
According to one embodiment of the invention, the driving motor is fixedly arranged on one side of the workbench through a fixed seat; the driving motor comprises a motor body, a driving screw coaxially connected with an output shaft end of the motor body and a sliding part sleeved on the driving screw in a sliding manner, and the sliding part is fixedly connected with one side edge of the workbench.
According to one embodiment of the invention, the lifting mechanism comprises a base and a driving motor fixedly arranged on the base; the base is provided with a bolt hole for fixing, and the driving end of the driving motor is connected with the frame body to drive the frame body to lift.
According to one embodiment of the invention, the drive motor is a servo motor.
According to one embodiment of the invention, the guide mechanism comprises a plurality of lifting slide rails which are distributed along the same straight line at intervals, and the extension direction of each lifting slide rail is vertical to the horizontal plane; and one side of the frame body is provided with a sliding block which is correspondingly matched with each lifting slide rail in a sliding way.
The embodiment also provides a test bench, which comprises a rack assembly and position adjusting equipment of an output shaft arranged on the rack assembly; the bottom of the lifting mechanism of the position adjusting device is fixedly arranged on the frame assembly, the top of the lifting mechanism supports the frame body so that the frame body can ascend and descend, the guide mechanism is far away from one end of the frame body and fixedly connected with the frame assembly, and the workbench is movably arranged at the upper end of the frame body along the direction perpendicular to the lifting direction so as to adjust the relative position of the output shaft.
According to the technical scheme, the position adjusting device for the output shaft provided by the invention at least has the following advantages and positive effects:
1. the position of the output shaft in the lifting direction is changed through the lifting mechanism, and the position of the output shaft is further adjusted by matching with the displacement of the working table in the direction perpendicular to the lifting direction so as to reach various testing positions, so that the testing requirements of a plurality of automatic transmissions with different center distances are met.
2. During the chamber is acceptd to its elevating system support locate the support body, the mobilizable upper end of locating the support body of workstation, one side of support body is located to guiding mechanism, compact structure, and the integrated level is high, saves space, can make whole equipment nimble install in the test bench, has reduced whole equipment and has installed in the degree of difficulty of arranging of test bench.
Drawings
FIG. 1 is a schematic diagram of the overall assembly of a test rig in an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a lifting mechanism in an embodiment of the invention.
Fig. 3 is a schematic connection diagram of the translation slide rail and the translation slider in the embodiment of the present invention.
The reference numerals are explained below: 100-position adjusting equipment, 1-frame body, 101-accommodating cavity and 103-lightening hole; 11-frame base, 111-top plate, 112-first side plate, 113-second side plate, 13-side wing, 2-lifting mechanism, 21-base, 23-lifting driving motor, 231-motor body, 233-driving screw rod, 235-sliding part, 3-guiding mechanism, 31-lifting slide rail, 33-lifting slide block, 4-workbench, 51-translation slide rail, 53-translation driving motor, 55-translation slide block, 6-locking piece and 7-fixing seat.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
The embodiment provides a test bench, which is suitable for the drive test of an automobile power system and mainly comprises a rack assembly and position adjusting equipment of an output shaft arranged on the rack assembly. The frame assembly is also provided with other parts of the automobile power system, a testing tool and a fixing clamp. The position adjusting device of the output shaft can adjust the working position of the output shaft of the transmission according to the test requirement. The position adjusting device comprises a frame body, a lifting mechanism, a guide mechanism and a workbench. The bottom of the lifting mechanism is fixedly arranged on the frame assembly, the frame body is supported at the top of the lifting mechanism to enable the frame body to ascend and descend, one end, far away from the frame body, of the guide mechanism is fixedly connected with the frame assembly, the workbench is movably arranged at the upper end of the frame body along the direction perpendicular to the lifting direction to adjust the relative position of the output shaft, and therefore the testing requirements of automatic transmissions with different center distances are met.
The position adjusting apparatus of the output shaft of the present invention will be specifically described below by way of specific embodiments. The test bench provided by the invention can be formed by installing the position adjusting device on the rack assembly in the following embodiments.
Referring to fig. 1, fig. 1 shows a specific structure of an output shaft position adjusting apparatus 100 according to an embodiment of the present invention, which includes a frame body 1, and a lifting mechanism 2, a guiding mechanism 3 and a workbench 4 connected to the frame body 1. Wherein, a hollow accommodating cavity 101 is formed inside the frame body 1. The lifting mechanism 2 is disposed in the accommodating chamber 101, and supports the frame body 1 to lift the frame body 1 up and down. The guide mechanism 3 is arranged on one side of the frame body 1 and is in guide fit with the frame body 1. The workbench 4 is used for installing and fixing an output shaft of the transmission, and the workbench 4 is movably arranged at the upper end of the frame body 1 along the direction vertical to the lifting direction so as to adjust the relative position of the output shaft.
The shelf 1 comprises a shelf base 11 and two side wings 13 protruding from one side of the shelf base 11, and the shelf base 11 and the two side wings 13 enclose the hollow accommodating cavity 101. This housing cavity 101 is used for holding installation elevating system 2 to reduce the occupation of land space, thereby solve whole equipment 100 and can't adapt to narrow and small space's problem when assembling in the test bench.
Specifically, the frame body base 11 includes a top plate 111 and two side plates respectively bent and extended from two side edges of the top plate 111 in the same direction. The extension length of one side plate is greater than that of the other side plate, and for the convenience of distinguishing, the side plate with the larger length is the first side plate 112, and the other shorter side plate is the second side plate 113. The side wings 13 are obliquely connected between the top plate 111 and the first side plate 112 and the second side plate 113. In this embodiment, the lateral wing 13 is a wedge-shaped plate structure having a longer oblique side, and the cross-sectional shape of the connection structure formed by the lateral wing 13, the top plate 111 and the side plates is approximately triangular, so as to improve the connection strength of the frame body 1 and ensure the stability of subsequent adjustment.
A plurality of lightening holes 103 are formed through the top plate 111, the first side plate 112, the second side plate 113, and the side wings 13, respectively. The shape and size of each lightening hole 103 are different, and the shapes thereof include rectangles and triangles, so that the lightening of the frame body 1 is realized and the applicability is improved without affecting the strength of the frame body 1.
The lifting mechanism 2 is disposed in the accommodating cavity 101 to support the frame body 1 below, so as to vertically lift the frame body 1.
Referring to fig. 2, the lifting mechanism 2 includes a base 21 and a lifting driving motor 23 fixed on the base 21. Wherein, the base 21 is provided with a bolt hole for fixedly mounting on the frame assembly. Lifting drive motor 23 locates the upper surface of base 21, and lifting drive motor 23's drive end is up in order to be connected with support body 1 to drive support body 1 goes up and down.
In this embodiment, the lifting driving motor 23 is a servo motor, and has the advantages of stable operation and high precision, so as to improve the accuracy of the output shaft position adjustment. The elevating driving motor 23 includes a motor body 231, a driving screw 233 coaxially connected to an output shaft of the motor body 231, and a sliding portion 235 slidably fitted on the driving screw 233. The driving screw 233 extends in a vertical direction, and the sliding portion 235 is provided specifically on one end of the driving screw 233 protruding out of the housing of the motor body 231. The sliding portion 235 is coupled to a lower surface of the top plate 111 of the stationary frame body 1 to vertically ascend and descend together along the driving screw 233 with respect to the base 21, thereby adjusting the height of the frame body 1, i.e., the height position of the output shaft.
As shown in fig. 2, the guiding mechanism 3 is disposed on one side of the frame body 1 to be in guiding fit with the frame body 1, so that the lifting motion of the frame body 1 is more stable and reliable.
Specifically, the guiding mechanism 3 includes a plurality of lifting slide rails 31 distributed along the same straight line at intervals, and the extending direction of each lifting slide rail 31 is perpendicular to the horizontal plane and is consistent with the vertical direction. Correspondingly, a plurality of lifting slide blocks 33 corresponding to the lifting slide rails 31 and in sliding fit with the lifting slide rails 31 are arranged on the first side plate 112 of the frame body 1. One side of the lifting slide rail 31, which is far away from the slide block, is fixedly connected with the frame assembly through bolt connection.
Referring to fig. 3, a plurality of translation rails 51 are disposed on the top surface of the top plate 111 of the frame 1, and a translation driving motor 53 is disposed on the top surface for driving the worktable 4 to move horizontally. The extension direction of each translation slide rail 51 coincides with the horizontal direction.
The worktable 4 is movably arranged on the translation slide 51. The driving end of the translation driving motor 53 is connected to the workbench 4 along the horizontal direction to drive the workbench 4 to horizontally slide along the translation sliding rail 51, so as to adjust the front-back displacement or the left-right displacement of the output shaft in the horizontal direction, so as to meet various test positions.
Thus, based on the use and cooperation of the lifting slide rail 31 and the translation slide rail 51, a three-dimensional motion space of a rectangular-like frame with the length of each of the lifting slide rail 31 and the translation slide rail 51 as a side can be established. According to the length that changes the slide rail, just can change the size in whole three-dimensional motion space. In the testing process, product information of the transmissions of different models is input through a control system of the testing bench, coordinates of working positions of output shafts of the transmissions, which correspond to the three-dimensional motion space, are calculated according to the product information, and then the lifting driving motor 23 and the translation driving motor 53 are controlled to work according to the coordinates, so that the driving rack body 1 and the working platform 4 independently move along respective sliding rails, the output shafts reach testing positions corresponding to the coordinates, the adjustment of the positions of the output shafts is completed, and the testing requirements of multiple automatic transmissions with different center distances are met.
In this embodiment, the translation driving motor 53 is also a servo motor, which has the advantages of stable operation and high precision, so as to improve the accuracy of the output shaft position adjustment. The translation driving motor 53 is fixedly arranged on one side of the workbench 4 through a fixed seat 7. The structure of the translation driving motor 53 is the same as that of the lifting driving motor 23, and the sliding part of the translation driving motor 53 is fixedly connected with one side edge of the workbench 4.
In this embodiment, the lower end of the table 4 is provided with a translation slider 55 which is in sliding fit with each translation slide rail 51. Wherein, at least one translational slide block 55 is correspondingly provided with a locking piece 6. The locking piece 6 is used for locking and positioning the translation sliding block 55 on the translation sliding rail 51 so as to limit the horizontal displacement of the workbench 4; similarly, the locking member 6 is correspondingly disposed on at least one of the lifting slide blocks 33, so as to improve the positioning accuracy of the output shaft. The locking piece 6 is a slide block lock; of course, the locking element 6 can also be of other locking and clamping constructions.
In summary, the present invention provides an output shaft position adjustment apparatus 100, which has at least the following advantages and positive effects:
firstly, the position of the output shaft in the lifting direction is changed through the lifting mechanism 2, and then the position of the output shaft is further adjusted in cooperation with the displacement of the workbench 4 along the direction perpendicular to the lifting direction. Specifically, by using and matching the lifting slide rail 31 and the translation slide rail 51, a three-dimensional motion space of a rectangular-like frame with the respective lengths of the lifting slide rail 31 and the translation slide rail 51 as sides can be established. In the testing process, product information of transmissions of different models is input through a control system of the testing bench, coordinates of working positions of output shafts of the transmissions, which are correspondingly located in the three-dimensional motion space, are calculated according to the product information, and then the lifting driving motor 23 and the translation driving motor 53 are controlled to work according to the coordinates, so that the driving rack body 1 and the working platform 4 independently move along respective sliding rails to reach testing positions corresponding to the coordinates, the adjustment of the positions of the output shafts is completed, and the testing requirements of automatic transmissions of different types and different center distances are met.
Then, the shelf 1 includes a shelf base 11 and two side wings 13 protruding from one side of the shelf base 11, and the shelf base 11 and the two side wings 13 enclose a hollow receiving cavity 101. This accept chamber 101 and be used for holding installation elevating system 2, reduce to take up an area of the space, solved whole equipment 100 and can't adapt to narrow and small space's problem when assembling in the test bench. The upper end of support body 1 is located to the workstation 4 mobilizable, and one side of support body 1 is located to guiding mechanism 3, and the connection structure of above-mentioned each part is compact, and the integrated level is high, saves space, can make whole equipment 100 install in the test bench in a flexible way, has reduced whole equipment 100 and has installed in the arrangement degree of difficulty of test bench.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. An apparatus for adjusting a position of an output shaft, comprising:
the frame body is internally provided with a hollow accommodating cavity;
the lifting mechanism is arranged in the accommodating cavity and supports the frame body so as to enable the frame body to lift up and down;
the guide mechanism is arranged on one side of the frame body and is in guide fit with the frame body;
the workbench is used for installing and fixing an output shaft of the transmission, and the workbench can be movably arranged at the upper end of the frame body, and the moving direction of the workbench is perpendicular to the lifting direction so as to adjust the relative position of the output shaft.
2. The position adjustment apparatus according to claim 1, characterized in that:
the shelf body comprises a shelf body base part and two side wings which oppositely protrude from one side of the shelf body base part, and the shelf body base part and the two side wings are enclosed to form the accommodating cavity;
the lifting mechanism is supported and arranged below the base part of the frame body.
3. The position adjustment apparatus according to claim 2, characterized in that:
the frame body base comprises a top plate and two side plates which are respectively bent and extended from the edges of the two sides of the top plate in the same direction, the extension length of one side plate is greater than that of the other side plate, and the side wings are obliquely connected between the top plate and the two side plates;
the workbench can be horizontally arranged on the upper surface of the top plate in a moving mode, and the guide mechanism is arranged on the side wall of the side plate with the larger length.
4. The position adjustment apparatus according to claim 1, characterized in that:
a plurality of translation sliding rails which are distributed at intervals and a driving motor for driving the workbench to move horizontally are horizontally arranged on the upper surface of the frame body;
the lower end of the workbench is provided with sliding blocks which are correspondingly matched with the translation sliding rails in a sliding mode, and the driving end of the driving motor is connected to the workbench along the horizontal direction so as to drive the workbench to horizontally slide along the translation sliding rails.
5. The position adjustment apparatus according to claim 4, characterized in that:
at least one sliding block is correspondingly provided with a locking piece;
the locking piece is used for locking and positioning the sliding block on the translation sliding rail so as to limit the displacement of the workbench.
6. The position adjustment apparatus according to claim 4, characterized in that:
the driving motor is fixedly arranged on one side of the workbench through a fixed seat;
the driving motor comprises a motor body, a driving screw coaxially connected with an output shaft end of the motor body and a sliding part sleeved on the driving screw in a sliding manner, and the sliding part is fixedly connected with one side edge of the workbench.
7. The position adjustment apparatus according to claim 1, characterized in that:
the lifting mechanism comprises a base and a driving motor fixedly arranged on the base;
the base is provided with a bolt hole for fixing, and the driving end of the driving motor is connected with the frame body to drive the frame body to lift.
8. The position adjustment apparatus according to claim 4 or 7, characterized in that:
the driving motor is a servo motor.
9. The position adjustment apparatus according to claim 1, characterized in that:
the guide mechanism comprises a plurality of lifting slide rails which are distributed at intervals along the same straight line, and the extending direction of each lifting slide rail is vertical to the horizontal plane;
and one side of the frame body is provided with a sliding block which is correspondingly matched with each lifting slide rail in a sliding way.
10. A test rack, comprising:
a position adjustment device comprising a frame assembly and an output shaft according to any one of claims 1 to 9 provided on said frame assembly;
the bottom of the lifting mechanism of the position adjusting device is fixedly arranged on the frame assembly, the top of the lifting mechanism supports the frame body so that the frame body can ascend and descend, the guide mechanism is far away from one end of the frame body and fixedly connected with the frame assembly, and the workbench is movably arranged at the upper end of the frame body along the direction perpendicular to the lifting direction so as to adjust the relative position of the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421021.6A CN111693278B (en) | 2020-05-18 | 2020-05-18 | Test bench and position adjusting device of output shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421021.6A CN111693278B (en) | 2020-05-18 | 2020-05-18 | Test bench and position adjusting device of output shaft thereof |
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| Publication Number | Publication Date |
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| CN111693278A true CN111693278A (en) | 2020-09-22 |
| CN111693278B CN111693278B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010421021.6A Active CN111693278B (en) | 2020-05-18 | 2020-05-18 | Test bench and position adjusting device of output shaft thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982510A (en) * | 2020-09-29 | 2020-11-24 | 东风汽车集团有限公司 | Torsion fatigue test device of hybrid transmission shaft |
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| CN111693278B (en) | 2022-02-15 |
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