CN212621443U - Automotive electronics shifts actuating mechanism testing arrangement - Google Patents
Automotive electronics shifts actuating mechanism testing arrangement Download PDFInfo
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- CN212621443U CN212621443U CN202021441705.4U CN202021441705U CN212621443U CN 212621443 U CN212621443 U CN 212621443U CN 202021441705 U CN202021441705 U CN 202021441705U CN 212621443 U CN212621443 U CN 212621443U
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Abstract
The utility model discloses an executing mechanism testing device for automobile electronic gear shifting, which comprises a base, wherein an engine, a transmission and a differential mechanism are fixedly connected on the base, the engine is in transmission connection with the transmission, and the transmission is in transmission connection with the differential mechanism; the driving mechanism is arranged on the speed changer and is in transmission connection with a gear shifting mechanism of the speed changer; the upper part of the hydraulic lifting platform is rotatably provided with a rotating shaft through a support frame and a damping bearing, three groups of friction wheels with different surface friction coefficients are fixedly arranged on the rotating shaft, and the upper parts of the friction wheels are connected with automobile wheels in a fitting manner; the utility model simulates the real automobile motion state through the connection of the engine, the transmission and the differential mechanism; the output power of an engine is controlled through an accelerator, pressure is provided through a friction wheel and a hydraulic lifting platform, the friction force and the load pressure of an automobile wheel in the driving process of the automobile are simulated, and the gear shifting performance is tested through the speed change of the automobile wheel; the test result is more comprehensive.
Description
Technical Field
The utility model relates to an automotive electronics technical field that shifts, more specifically say, in particular to actuating mechanism testing arrangement that automotive electronics shifted.
Background
A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like. The gear shift lever can change the gear combination of the gear in the speed changer, so that the running speed of the vehicle is changed, and the driving force is changed along with the change; is a tool that changes a moving part from one speed to another. The gearboxes are divided into manual gearboxes and automatic gearboxes.
Among them, an automatic transmission is a transmission device that can automatically perform an automatic shift operation according to a vehicle speed and an engine speed, which is presented in relation to a manual transmission. AT present, four types of automatic transmissions for automobiles are common, namely a hydraulic Automatic Transmission (AT), a mechanical stepless automatic transmission (CVT), an electric control mechanical automatic transmission (AMT) and a double-clutch automatic transmission. The core of an automatic transmission is achieving automatic shifting. The automatic gear shifting means that a driver operates an accelerator pedal (an accelerator pedal) according to the requirement of the driving process in the driving process of the automobile, and the automatic transmission can automatically shift into different gears to work according to the load of an engine and the running condition of the automobile.
In the existing household automobiles, the electronic automatic gear shifting cars occupy a large proportion. In the electronic gear shifting of the automobile, an actuating mechanism is a core part of the electronic gear shifting. During the production and installation processes of the electronic gear shifting actuating mechanism of the automobile, various performances of the electronic gear shifting actuating mechanism need to be tested; the existing testing device only carries out testing by inputting analog signals or directly controlling the brushless direct current motor to drive, load and power changes in the automobile driving environment are not simulated, the result of testing performance is often ideal, deviation exists between the result and actual use data, and an accurate testing result cannot be obtained. Therefore, the execution mechanism testing device for the automobile electronic gear shifting is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an actuating mechanism testing device for automobile electronic gear shifting, which simulates the real automobile motion state through the connection of an engine, a transmission and a differential mechanism; controlling the output power of the engine through an accelerator, so as to change the speed and test the gear shifting performance of the gear shifting mechanism; the friction force and the load pressure on the automobile wheels can be simulated in the driving process of the automobile, and the gear shifting performance can be tested through the speed change of the automobile wheels; and the test device is convenient to disassemble and assemble during testing, and improves the testing efficiency so as to solve the problems that the existing testing device in the prior art does not simulate the load and power change in the automobile driving environment, the result of the testing performance is often ideal, the deviation exists between the result and actual use data, and the accurate testing result cannot be obtained.
The utility model provides a pair of actuating mechanism testing arrangement that automotive electronics shifted, include:
the engine, the transmission and the differential are fixedly connected to the base, the engine is in transmission connection with the transmission, and the transmission is in transmission connection with the differential;
the driving mechanism is set to be a brushless direct current motor, is arranged on the transmission and is in transmission connection with a gear shifting mechanism of the transmission;
the hydraulic lifting platform is characterized in that a rotating shaft is rotatably arranged at the upper part of the hydraulic lifting platform through a support frame and a damping bearing, three groups of friction wheels with different surface friction coefficients are fixedly arranged on the rotating shaft, and the upper surface of one group of friction wheels is connected with automobile wheels in a fitting manner; and the automobile wheels are arranged on an output shaft at one end of the differential mechanism;
and an accelerator connected with the engine is further arranged on one side of the base, a test instrument panel used for displaying data during detection is further arranged on one side of the base, and a test machine is further fixedly connected to one side of the base.
Optionally, a gear shifting controller is installed on the driving mechanism, a spline is installed at one end of a driving shaft of the driving mechanism, and a spline sleeve matched with the spline is installed at a power input end of the gear shifting mechanism.
Optionally, a limiting strip and a U-shaped block are fixedly connected to the surface of the shell of the transmission, a horizontally arranged hydraulic cylinder is fixedly mounted on the surface of the shell of the transmission through a vertical plate, a pressing plate is fixedly connected to one end of a piston rod of the hydraulic cylinder, and a rubber pad is fixedly bonded to one side of the U-shaped block.
Optionally, a hydraulic regulating valve is further installed on one side of the hydraulic lifting platform.
Optionally, the testing device further comprises a torque sensor, a speed sensor and an angle sensor which are arranged on the driving mechanism and connected with the testing machine for testing; and the automobile wheel speed sensor is also used for testing the rotating speed of the automobile wheel.
Optionally, a horizontal moving pair is further installed at the bottom of the hydraulic lifting platform.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides an actuating mechanism testing arrangement of automotive electronics shift gears, directly install automotive electronics shift gears actuating mechanism on the derailleur, through the connection of engine, derailleur, differential mechanism, simulate real automobile motion state; controlling the output power of the engine through an accelerator, so as to change the speed and test the gear shifting performance of the gear shifting mechanism; meanwhile, a hydraulic lifting platform is utilized, pressure is provided through a friction wheel and the hydraulic lifting platform, friction force and load pressure borne by an automobile wheel in the driving process of the automobile are simulated, and the gear shifting performance is tested through the speed change of the automobile wheel; the friction wheels are arranged differently, so that the driving of the automobile on different road surfaces can be simulated, and the test result is more comprehensive; the actuating mechanism that the electron shifted in this application utilizes the pneumatic cylinder to compress tightly fixedly and through spline transmission, is convenient for carry out the dismouting during the test, improves efficiency of software testing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a driving mechanism in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a spline according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the limiting strip of the present invention.
In the figure: 1. a base; 2. an accelerator; 3. an engine; 4. a drive mechanism; 41. a shift controller; 42. pressing a plate; 43. a vertical plate; 44. a hydraulic cylinder; 45. a limiting strip; 46. a U-shaped block; 47. a spline; 48. a rubber pad; 5. a transmission; 51. a gear shift mechanism; 52. a spline housing; 6. a differential mechanism; 7. a vehicle wheel; 8. an output shaft; 9. a friction wheel; 10. a damping bearing; 11. a rotating shaft; 12. a hydraulic lifting platform; 13. a hydraulic pressure regulating valve; 14. testing the instrument panel; 15. a testing machine.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-4, includes: an actuating mechanism testing device for automobile electronic gear shifting comprises:
the engine 3 is in transmission connection with the transmission 5, and the transmission 5 is in transmission connection with the differential 6;
the driving mechanism 4 is set as a brushless direct current motor, the driving mechanism 4 is installed on the transmission 5, and the driving mechanism 4 is in transmission connection with the gear shifting mechanism 51 of the transmission 5;
the hydraulic lifting platform 12 is characterized in that a rotating shaft 11 is rotatably mounted at the upper part of the hydraulic lifting platform 12 through a support frame and a damping bearing 10, three groups of friction wheels 9 with different surface friction coefficients are fixedly mounted on the rotating shaft 11, and the upper surface of one group of friction wheels 9 is connected with an automobile wheel 7 in a fitting manner; and the wheels 7 are mounted on an output shaft 8 at one end of the differential 6;
an accelerator 2 connected with an engine 3 is further arranged on one side of the base 1, a test instrument panel 14 used for displaying data during detection is further arranged on one side of the base 1, and a testing machine 15 is further fixedly connected to one side of the base 1.
As shown in fig. 2-4, the shift controller 41 is mounted on the driving mechanism 4, a spline 47 is mounted at one end of the driving shaft of the driving mechanism 4, and a spline housing 52 engaged with the spline 47 is mounted at the power input end of the shifting mechanism 51. The surface of the shell of the transmission 5 is fixedly connected with a limiting strip 45 and a U-shaped block 46, the surface of the shell of the transmission 5 is fixedly provided with a hydraulic cylinder 44 which is horizontally arranged through a vertical plate 43, one end of a piston rod of the hydraulic cylinder 44 is fixedly connected with a pressing plate 42, and one side of the U-shaped block 46 is fixedly bonded with a rubber pad 48. And a hydraulic regulating valve 13 is also installed on one side of the hydraulic lifting platform 12. Through the transmission connection of spline 47, actuating mechanism 4 is convenient for the dismouting, improves efficiency of software testing.
When in implementation, the device also comprises a torque sensor, a speed sensor and an angle sensor which are arranged on the driving mechanism and connected with the testing machine 15 and used for testing; and the automobile wheel speed sensor is also used for testing the rotating speed of the automobile wheel. The sensors belong to the prior art, and are connected with a testing machine 15 by adopting the prior art to realize the testing function; will not be described in detail herein.
A horizontal moving pair is further installed at the bottom of the hydraulic lift table 12. The different friction wheels 9 are switched into frictional connection with the vehicle wheels 7 by the effect of the horizontal shifting pair.
The utility model provides an actuating mechanism testing arrangement of automotive electronics shift, directly install automotive electronics shift actuating mechanism on derailleur 5, through the connection of engine 3, derailleur 5, differential mechanism 6, simulate real automobile motion state; the output power of the engine is controlled through the accelerator 2, so that the speed is changed, and the gear shifting performance of the gear shifting mechanism is tested; meanwhile, a hydraulic lifting platform 12 is utilized, pressure is provided through a friction wheel 9 and the hydraulic lifting platform 12, friction force and load pressure borne by an automobile wheel 7 in the driving process of the automobile are simulated, and the gear shifting performance is tested through the speed change of the automobile wheel 7; in addition, the friction wheels 9 are arranged differently, so that the driving of the automobile on different road surfaces can be simulated, and the test result is more comprehensive; the actuating mechanism that the electron shifted in this application utilizes pneumatic cylinder 44 to compress tightly fixedly and through the transmission of spline 47, is convenient for carry out the dismouting during the test, improves efficiency of software testing.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. An actuating mechanism testing device for automobile electronic gear shifting is characterized by comprising:
the engine (3), the transmission (5) and the differential (6) are fixedly connected to the base (1), the engine (3) is in transmission connection with the transmission (5), and the transmission (5) is in transmission connection with the differential (6);
the driving mechanism (4) is set to be a brushless direct current motor, the driving mechanism (4) is installed on the speed changer (5), and the driving mechanism (4) is in transmission connection with a gear shifting mechanism (51) of the speed changer (5);
the hydraulic lifting platform (12), the upper part of the hydraulic lifting platform (12) is rotatably provided with a rotating shaft (11) through a supporting frame and a damping bearing (10), the rotating shaft (11) is fixedly provided with three groups of friction wheels (9) with different surface friction coefficients, and the upper surface of one group of friction wheels (9) is jointed and connected with an automobile wheel (7); and the automobile wheels (7) are arranged on an output shaft (8) at one end of the differential (6);
an accelerator (2) connected with the engine (3) is further arranged on one side of the base (1), a test instrument panel (14) used for displaying data during detection is further arranged on one side of the base (1), and a testing machine (15) is further fixedly connected to one side of the base (1).
2. The automotive electronic shift actuator testing device according to claim 1, characterized in that the drive mechanism (4) is provided with a shift controller (41), one end of a drive shaft of the drive mechanism (4) is provided with a spline (47), and a power input end of the shift mechanism (51) is provided with a spline housing (52) matched with the spline (47).
3. The testing device for the actuating mechanism of the automobile electronic gear shifting is characterized in that a limiting strip (45) and a U-shaped block (46) are fixedly connected to the surface of the shell of the transmission (5), a hydraulic cylinder (44) which is horizontally arranged is fixedly installed on the surface of the shell of the transmission (5) through a vertical plate (43), a pressing plate (42) is fixedly connected to one end of a piston rod of the hydraulic cylinder (44), and a rubber pad (48) is fixedly adhered to one side of the U-shaped block (46).
4. The automotive electronic shift actuator testing device according to claim 1, characterized in that a hydraulic pressure regulating valve (13) is further installed at one side of the hydraulic lifting platform (12).
5. The automotive electronic gear-shifting actuator testing device according to claim 1, characterized by further comprising a torque sensor, a speed sensor and an angle sensor which are arranged on the driving mechanism and connected with the testing machine (15) for testing; and the automobile wheel speed sensor is also used for testing the rotating speed of the automobile wheel.
6. The automotive electronic shift actuator testing device of claim 1, characterized in that a horizontal moving pair is further installed at the bottom of the hydraulic lifting platform (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021441705.4U CN212621443U (en) | 2020-07-18 | 2020-07-18 | Automotive electronics shifts actuating mechanism testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021441705.4U CN212621443U (en) | 2020-07-18 | 2020-07-18 | Automotive electronics shifts actuating mechanism testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN212621443U true CN212621443U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021441705.4U Active CN212621443U (en) | 2020-07-18 | 2020-07-18 | Automotive electronics shifts actuating mechanism testing arrangement |
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| Country | Link |
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| CN (1) | CN212621443U (en) |
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2020
- 2020-07-18 CN CN202021441705.4U patent/CN212621443U/en active Active
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