CN211904958U - Air spring horizontal large displacement cyclic load testing machine for motor car suspension system - Google Patents
Air spring horizontal large displacement cyclic load testing machine for motor car suspension system Download PDFInfo
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- CN211904958U CN211904958U CN202020467551.XU CN202020467551U CN211904958U CN 211904958 U CN211904958 U CN 211904958U CN 202020467551 U CN202020467551 U CN 202020467551U CN 211904958 U CN211904958 U CN 211904958U
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Abstract
The utility model discloses a big displacement cyclic load testing machine of motor car suspension air spring level, including horizontal loading mechanism and perpendicular loading mechanism, horizontal loading mechanism includes horizontal loading frame, sets up at the inside horizontal loading actuating system of horizontal loading frame, sets up first slide mechanism in horizontal loading frame, sets up measuring device in horizontal loading frame and sets up the lateral shifting workstation on slide mechanism. A big displacement cyclic load testing machine of motor car suspension air spring level, directly measure vertical power through vertical sensor, reduce the influence of frictional force to the air spring, measurement accuracy is higher, the motion of lateral shifting workstation is more steady, and fix a position accuracy, transmission efficiency is high, longe-lived, stand wear and tear, can reduce the error of removing in-process axial force, improved measurement accuracy greatly, use more in a flexible way moreover, bring better use prospect.
Description
Technical Field
The utility model relates to a high-speed motor car field, in particular to big displacement cyclic load testing machine of motor car suspension air spring level.
Background
The existing air spring horizontal large-displacement cyclic load testing machine is of a horizontal structure and comprises a working rack, a transverse driving motor system, a vertical driving motor system, a transmission system, a vertical sensor, a transverse sensor, a data acquisition control system and the like. When air spring detection is carried out, due to friction force, detected data are not accurate enough, equipment is heavy, and the use requirements of people are not met, so that the air spring horizontal large-displacement cyclic load testing machine for the motor train suspension system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a big displacement cyclic load testing machine of motor car suspension air spring level can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a big displacement cyclic load testing machine of motor car suspension air spring level, includes horizontal loading mechanism and perpendicular loading mechanism, horizontal loading mechanism includes horizontal loading frame, sets up at the inside horizontal loading actuating system of horizontal loading frame, sets up first slide mechanism in horizontal loading frame, sets up measuring device in horizontal loading frame and sets up the lateral shifting workstation on slide mechanism, perpendicular loading mechanism includes vertical frame, sets up the vertical loading actuating system that is close to the lower extreme position in vertical frame is inside, sets up vertical moving table and the four vertical sensors of setting in vertical frame at the inside second slide mechanism, movable mounting of vertical moving table on the second slide mechanism of vertical frame.
Preferably, the measuring device comprises a movable cross beam arranged at the upper end of the transverse loading rack, a transverse sensor is arranged on one side of the upper end of the movable cross beam, and one end of the movable cross beam is movably connected with the transverse moving workbench through a joint bearing.
Preferably, the first sliding mechanism comprises a first linear guide rail fixedly installed on the outer surface of the upper end of the transverse loading frame and a first ball screw arranged at a position, close to the upper end, of the transverse loading frame.
Preferably, the transverse loading driving system comprises a first servo motor, a first planetary gear reducer and a belt transmission mechanism, wherein the output end of the first servo motor is connected with the first planetary gear reducer, and the first planetary gear reducer is movably connected with one end of the first ball screw through the belt transmission mechanism.
Preferably, the second sliding mechanism comprises a second ball screw fixedly mounted inside the vertical rack and close to one side of the vertical rack, and two sets of second linear guide rails fixedly mounted on the inner surface of the vertical rack.
Preferably, the vertical loading driving system comprises a second servo motor, a second planetary gear reducer and a transmission rod, the output end of the second servo motor is connected with the transmission rod through a bearing, one end of the transmission rod is connected with the input end of the second planetary gear reducer, and the output end of the second planetary gear reducer is movably connected with the lower end of a second ball screw.
Preferably, a partition plate is arranged at the upper end of the vertical sensor, a plurality of groups of sliding blocks are arranged on the outer surface of the upper end of the partition plate, and the upper ends of the plurality of groups of sliding blocks are movably connected with the lower end of the transverse moving workbench.
Compared with the prior art, the utility model provides a motor car suspension air spring level large displacement cyclic load testing machine has following beneficial effect:
1. the distance between the vertical moving workbench and the transverse moving workbench is adjusted during measurement of the vertical force, then the air is filled into the air spring to reach the standard required pressure, the vertical force is directly measured through the vertical sensor, the influence of the friction force on the air spring is reduced, and the measurement precision is higher;
2. when the transverse load detection is carried out, the transverse moving workbench is adjusted in a mode of matching the first linear guide rail and the first ball screw, the transverse moving workbench moves more stably, and the positioning is accurate, the transmission efficiency is high, the service life is long, and the wear is resistant;
3. the transverse sensor is connected with the transverse moving workbench through the joint bearing, so that the error of axial force in the moving process can be reduced, the measuring precision is greatly improved, the use is more flexible, the operation of the air spring horizontal large-displacement cyclic load testing machine of the whole motor car suspension system is convenient, the use effect is better than that of the traditional mode, the use requirement of people is met, and the transverse sensor is practical.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of the overall structure of an air spring horizontal large displacement cyclic load testing machine of a motor car suspension system of the present invention;
fig. 2 is the structural schematic diagram of the vertical loading mechanism in the air spring horizontal large displacement cyclic load testing machine of the motor train suspension system of the present invention.
In the figure: 1. transversely loading the drive system; 2. a transverse loading frame; 3. a first linear guide rail; 4. a lateral sensor; 5. a knuckle bearing; 6. transversely moving the table; 7. a first ball screw; 8. a vertical loading drive system; 9. a second ball screw; 10. a vertical sensor; 11. a slider; 12. a second linear guide; 13. vertically moving the table; 14. a vertical frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A horizontal large-displacement cyclic load testing machine for an air spring of a suspension system of a bullet train comprises a horizontal loading mechanism and a vertical loading mechanism, wherein the horizontal loading mechanism comprises a transverse loading rack 2, a transverse loading driving system 1 arranged in the transverse loading rack 2, a first sliding mechanism arranged on the transverse loading rack 2, a measuring device arranged on the transverse loading rack 2 and a transverse moving workbench 6 arranged on the sliding mechanism, the vertical loading mechanism comprises a vertical rack 14, the vertical loading driving system 8 is arranged in the vertical rack 14 and close to the lower end position, the second sliding mechanism is arranged in the vertical rack 14, the vertical moving workbench 13 is movably mounted on the second sliding mechanism, and the four groups of vertical sensors 10 are arranged on the vertical rack 14, and the service life of each sensor is prolonged under the condition of unbalance loading by the four groups of vertical sensors 10.
A data acquisition control system (an existing data acquisition device and control equipment) is arranged on the motor car suspension system air spring horizontal large displacement cyclic load testing machine.
The measuring device comprises a movable cross beam arranged at the upper end of the transverse loading rack 2, a transverse sensor 4 is arranged on one side of the upper end of the movable cross beam, and one end of the movable cross beam is movably connected with a transverse moving workbench 6 through a joint bearing 5.
The first sliding mechanism comprises a first linear guide rail 3 fixedly arranged on the outer surface of the upper end of the transverse loading rack 2 and a first ball screw 7 arranged at the position, close to the upper end, of the transverse loading rack 2.
The transverse loading driving system 1 comprises a first servo motor, a first planetary gear reducer and a belt transmission mechanism, wherein the output end of the first servo motor is connected with the first planetary gear reducer, and the first planetary gear reducer is movably connected with one end of a first ball screw 7 through the belt transmission mechanism.
The second sliding mechanism comprises a second ball screw 9 fixedly arranged inside the vertical rack 14 and close to one side position, and two groups of second linear guide rails 12 fixedly arranged on the inner surface of the vertical rack 14.
The vertical loading driving system 8 comprises a second servo motor, a second planetary gear reducer and a transmission rod, wherein the output end of the second servo motor is connected with the transmission rod through a bearing, one end of the transmission rod is connected with the input end of the second planetary gear reducer, and the output end of the second planetary gear reducer is movably connected with the lower end of a second ball screw 9.
The upper end of the vertical sensor 10 is provided with a partition plate, the outer surface of the upper end of the partition plate is provided with a plurality of groups of sliding blocks 11, and the upper ends of the groups of sliding blocks 11 are movably connected with the lower end of the transverse moving workbench 6.
It should be noted that, the utility model relates to a motor car suspension air spring level large displacement cyclic load testing machine, during the use: placing the air spring between the transverse moving workbench 6 and the vertical moving workbench 13, fixing by using a special fixture, adjusting the distance between the two moving workbench to a required distance according to standard requirements, filling air into the air spring to a standard required pressure, measuring a vertical force by the vertical sensor 10 at the moment, and starting a test; the transverse load detection is that the transverse load is transmitted to a first ball screw 7 through a transverse loading driving system 1, and is connected with a transverse moving workbench 6 through a transverse sensor 4 on a moving beam through a joint bearing 5, so that the transverse loading of the air spring is realized, and the large-displacement cyclic load test of the air spring is realized according to the standard given speed and displacement requirements;
the transverse driving loading part drives a first planetary gear reducer to decelerate by a first servo motor, and then drives a first ball screw 7 to rotate through a synchronous belt, so as to drive a transverse moving worktable 6 to move back and forth under the guidance of a first linear guide rail 3, thereby realizing the horizontal loading of the air spring;
the vertical driving and loading part is characterized in that a second servo motor drives a second planetary gear reducer through a transmission rod to drive a second ball screw 9 to rotate, a vertical moving workbench 13 is driven to move back and forth under the guidance of a second linear guide rail 12 to realize vertical loading on the air spring, horizontal and vertical forces are measured, and large-displacement cyclic load is measured according to the horizontal and vertical forces;
when in use, the transverse loading driving system 1 and the vertical loading driving system 8 are fixed, and the transverse moving workbench 6 and the vertical moving workbench 13 are movable;
during measurement, the distance between the vertical moving workbench 13 and the transverse moving workbench 6 is adjusted, then gas is filled into the air spring to reach standard required pressure, the vertical force is directly measured through the vertical sensor 10, the influence of friction on the air spring is reduced, and the measurement precision is higher;
when the transverse load detection is carried out, the transverse moving workbench 6 is adjusted in a mode of matching the first linear guide rail 3 and the first ball screw 7, the transverse moving workbench 6 moves more stably, and the transverse moving workbench is accurate in positioning, high in transmission efficiency, long in service life and wear-resistant;
the transverse sensor 4 is connected with the transverse moving workbench 6 through the joint bearing 5, so that the error of axial force in the moving process can be reduced, the measuring precision is greatly improved, the use is more flexible, the operation of the air spring horizontal large-displacement cyclic load testing machine of the whole motor car suspension system is convenient, the use effect is better than that of the traditional mode, and the use requirements of people are met, so that the transverse sensor is practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a big displacement cyclic load testing machine of motor car suspension air spring level which characterized in that: including horizontal loading mechanism and perpendicular loading mechanism, horizontal loading mechanism includes horizontal loading frame (2), sets up at horizontal loading actuating system (1) of horizontal loading frame (2) inside, sets up first slide mechanism on horizontal loading frame (2), sets up measuring device on horizontal loading frame (2) and sets up lateral shifting workstation (6) on slide mechanism, perpendicular loading mechanism includes vertical frame (14), sets up vertical loading actuating system (8) that are close to the lower extreme position in vertical frame (14) inside, sets up vertical moving table (13) and four groups vertical sensor (10) of setting on vertical frame (14) on vertical slide mechanism, movable mounting on the vertical moving table (13) of vertical frame (14).
2. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 1, is characterized in that: the measuring device comprises a movable cross beam arranged at the upper end of a transverse loading rack (2), a transverse sensor (4) is arranged on one side of the upper end of the movable cross beam, and one end of the movable cross beam is movably connected with a transverse moving workbench (6) through a joint bearing (5).
3. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 1, is characterized in that: the first sliding mechanism comprises a first linear guide rail (3) fixedly mounted on the outer surface of the upper end of the transverse loading rack (2) and a first ball screw (7) arranged at the position, close to the upper end, of the transverse loading rack (2).
4. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 3, is characterized in that: the transverse loading driving system (1) comprises a first servo motor, a first planetary gear reducer and a belt transmission mechanism, wherein the output end of the first servo motor is connected with the first planetary gear reducer, and the first planetary gear reducer is movably connected with one end of a first ball screw (7) through the belt transmission mechanism.
5. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 1, is characterized in that: the second sliding mechanism comprises a second ball screw (9) fixedly mounted in the vertical rack (14) and close to one side of the vertical rack, and two groups of second linear guide rails (12) fixedly mounted on the inner surface of the vertical rack (14).
6. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 5, is characterized in that: the vertical loading driving system (8) comprises a second servo motor, a second planetary gear reducer and a transmission rod, the output end of the second servo motor is connected with the transmission rod through a bearing, one end of the transmission rod is connected with the input end of the second planetary gear reducer, and the output end of the second planetary gear reducer is movably connected with the lower end of a second ball screw (9).
7. The horizontal large-displacement cyclic load testing machine for the air spring of the motor train suspension system as claimed in claim 1, is characterized in that: the upper end of the vertical sensor (10) is provided with a partition plate, the outer surface of the upper end of the partition plate is provided with a plurality of groups of sliding blocks (11), and the upper ends of the sliding blocks (11) are movably connected with the lower end of the transverse moving workbench (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467551.XU CN211904958U (en) | 2020-04-02 | 2020-04-02 | Air spring horizontal large displacement cyclic load testing machine for motor car suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467551.XU CN211904958U (en) | 2020-04-02 | 2020-04-02 | Air spring horizontal large displacement cyclic load testing machine for motor car suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211904958U true CN211904958U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467551.XU Active CN211904958U (en) | 2020-04-02 | 2020-04-02 | Air spring horizontal large displacement cyclic load testing machine for motor car suspension system |
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|---|---|
| CN (1) | CN211904958U (en) |
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- 2020-04-02 CN CN202020467551.XU patent/CN211904958U/en active Active
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