CN113295401A

CN113295401A - Durable vibrations test equipment of selector micro-stroke

Info

Publication number: CN113295401A
Application number: CN202110552326.5A
Authority: CN
Inventors: 邱光红; 谢乾成; 王明键; 郑东华; 董小峰; 李莹
Original assignee: Diyou Control System Jiaxing Co Ltd
Current assignee: Diyou Control System Jiaxing Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-08-24

Abstract

The invention relates to the technical field of shifter testing, and discloses shifter micro-stroke durable vibration testing equipment, which comprises: the cam rotating mechanism comprises a cam which is rotatably arranged; the vibration testing mechanism comprises a rotating wheel which is arranged in a rotating way, and the rotating wheel is in contact with the cam; the reset mechanism comprises a spring fixing seat and a spring connected with the spring fixing seat, the spring is also connected with the vibration testing mechanism, and the spring is used for tightly pressing a rotating wheel of the vibration testing mechanism and the cam; the connecting mechanism comprises a driving wheel coaxially connected with the rotating wheel, one end of the driving wheel is fixedly connected with a connecting rod, and the connecting rod is further connected with a pin of the gear shifter. The influence of an engine bin on the gear shifter is simulated by reciprocating the gear shift lever of the gear shifter, and the abrasion of the gear shift lever of the gear shifter under the condition of lasting for a long time is tested by setting the number of rotation circles of a cam.

Description

Durable vibrations test equipment of selector micro-stroke

Technical Field

The invention relates to the technical field of testing of gear shifters, in particular to a micro-stroke durable vibration testing device for a gear shifter.

Background

The main task of a vehicle gear shifter is to transmit power and to change the transmission ratio during the transmission of power in order to adjust or change the engine characteristics, while adapting to different driving requirements by changing the speed. In the driving process of an automobile, due to the work of an engine, when the vibration of an engine bin is transmitted to a shifter, the influence on the shifter to a certain degree can be caused, so that the automobile shifter is easy to wear or the operation fails, and when the vibration of the engine bin is transmitted to the shifter, the shift lever of the shifter can be subjected to micro-stroke shaking, so that the influence on the service life of the shifter caused by the vibration of the engine bin is necessarily tested.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a shifter micro-stroke durable vibration testing device to simulate the influence of the vibration of an engine bin on a shifter.

The invention is realized by the following technical scheme:

a shifter micro-stroke endurance shock testing apparatus comprising: the cam rotating mechanism comprises a cam which is rotatably arranged; the vibration testing mechanism comprises a rotating wheel which is arranged in a rotating way, and the rotating wheel is in contact with the cam; the reset mechanism comprises a spring fixing seat and a spring connected with the spring fixing seat, the spring is also connected with the vibration testing mechanism, and the spring is used for tightly pressing a rotating wheel of the vibration testing mechanism and the cam; the connecting mechanism comprises a driving wheel coaxially connected with the rotating wheel, one end of the driving wheel is fixedly connected with a connecting rod, and the connecting rod is further connected with a pin of the gear shifter.

In the technical scheme, the cam of the cam rotating mechanism rotates to drive the rotating wheel of the vibration testing mechanism to rotate, due to the arrangement of the resetting mechanism, the spring of the resetting mechanism always controls the rotating wheel to be in close contact with the cam, when the cam starts to rotate, due to the characteristics of the cam, the rotating wheel of the vibration testing mechanism can carry out reciprocating motion in the horizontal direction, the connecting mechanism is connected with the driving wheel, namely the cam can drive the driving wheel (and the connecting mechanism) to carry out reciprocating motion in the horizontal direction, the connecting rod is also connected with the pin of the gear shifter, namely the connecting rod is connected with the pin of the gear shifting lever of the gear shifter, and therefore the cam can drive the gear shifting lever to carry out micro-stroke reciprocating motion in the horizontal direction, and the influence of the vibration of an engine bin on the gear shifting lever is simulated.

The invention is further provided with: the test apparatus further comprises:

a base plate;

the surface of the mounting seat is fixed with the gear shifter;

the test seat is located one side of mount pad, cam slewing mechanism vibrations accredited testing organization and canceling release mechanical system all set up in the test seat upper end, canceling release mechanical system is located and is close to one side of mount pad, vibrations accredited testing organization is located between canceling release mechanical system and the cam slewing mechanism.

In the technical scheme, the shifter is fixed on the surface of the mounting seat, so that the shifter cannot move in the operation process of the whole testing device, and the testing accuracy is improved; the cam rotating mechanism plays a role of a power source in the whole testing equipment, the vibration testing mechanism is arranged on one side of the cam rotating mechanism, the power source is transmitted to the rotating wheel of the vibration testing mechanism through the cam of the cam rotating mechanism, the resetting mechanism is arranged on one side of the vibration testing mechanism, and the resetting mechanism is used for forcing the rotating wheel of the vibration testing mechanism to be in close contact with the cam of the cam rotating mechanism all the time, so that sufficient power transmission is realized, and subsequent testing is facilitated.

The invention is further provided with: the cam rotating mechanism further comprises two mounting frames symmetrically fixed on the surface of the test seat, a rotating shaft is rotatably arranged between the two mounting frames, cams are sleeved at two ends of the rotating shaft, the cams are located on the outer sides of the mounting frames, a driven wheel is further sleeved outside the rotating shaft, and the driven wheel is located on the outer side of one of the cams; the surface of the bottom plate is further fixed with a driving motor, the output shaft end of the driving motor is connected with a driving wheel, and the driving wheel is connected with the driven wheel through a belt.

Among the above-mentioned technical scheme, the action wheel is connected to driving motor's output, and the outside cover of axis of rotation is established from the driving wheel, and the action wheel is connected through the belt between the follow driving wheel, and driving motor provides the power supply for the cam promptly, through the kinetic energy transmission of axis of rotation for driving motor can two cams of simultaneous control rotate, and every cam corresponds a rotation wheel, makes whole test equipment operation more steady and stable like this.

The invention is further provided with: the cam is an elliptical cam, and the long diameter of the cam is 0.6mm larger than the short diameter of the cam.

Among the above-mentioned technical scheme, the cam adopts oval cam, and oval cam's long diameter is 0.6mm bigger than minor diameter, and the purpose that sets up like this is in order to simulate the vibration in engine compartment, and the setting of cam cooperation rotating wheel can make rotating wheel (and transmission shaft) carry out the reciprocating motion of horizontal direction.

The invention is further provided with: the vibration testing mechanism further comprises a sliding plate arranged on the surface of the testing seat in a sliding mode, two connecting seats are symmetrically arranged on the upper surface of the sliding plate, a transmission shaft is arranged between the two connecting seats in a rotating mode, rotating wheels are arranged at two ends of the transmission shaft in a rotating mode and located on the outer sides of the connecting seats, two sliding rails are symmetrically arranged on the surface of the testing seat, a sliding block is fixed on the lower surface of the sliding plate corresponding to the sliding rails, and the sliding block is connected with the sliding rails in a sliding mode.

Among the above-mentioned technical scheme, the sliding plate slides and sets up in the surface of test seat to the sliding plate is through slider and slide rail and test seat sliding connection, and rotates the wheel and establish at the transmission epaxial, and the transmission shaft sets up again between two connecting seats, and the connecting seat is then fixed on the sliding plate, like this, makes the operation of sliding plate more steady and stable, simultaneously, also makes the reciprocating motion who rotates the wheel more steady.

The invention is further provided with: the spring fixing seat of the reset mechanism is fixed on the surface of the test seat, the sliding plate is further provided with a fixing block on one side corresponding to the spring fixing seat, and the spring is connected with the spring fixing seat and the fixing block respectively.

Among the above-mentioned technical scheme, the spring fixing base is fixed in the surface of test seat, still be connected with the spring between spring fixing base and the fixed block, in the actual work process, because the deformation elasticity of spring itself, the spring provides the sliding plate all the time one to the power that is close to cam slewing mechanism (namely the spring gives the power that is close to the cam of rotating wheel all the time), thereby make rotating wheel and cam in close contact with, make the cam realize rotating contact with the cam constantly in the rotation process rotating wheel, ensure the validity of kinetic energy transmission, also ensure the accuracy of test.

The invention is further provided with: the transmission wheel is rotatably sleeved outside the transmission shaft, a first threaded hole is formed in the side wall of the transmission wheel, and a first fastening bolt is screwed in the first threaded hole;

the connecting rod comprises a first rod part, a second rod part and a sleeve seat, one end of the first rod part is fixedly connected with the driving wheel, the other end of the first rod part is connected with the sleeve seat, one end of the second rod part is fixedly connected with the sleeve seat, the other end of the second rod part is fixedly connected with a fixed wheel, a second threaded hole is formed in the side wall of the fixed wheel, a second fastening bolt is screwed in the second threaded hole, and the fixed wheel is used for being connected with a pin of the gear shifter;

the sleeve seat is concavely provided with an installation groove at the center part of one side close to the rod part I, the rod part I and the rod part II are both in a round rod shape, and the outer wall of the rod part I is matched with the inner wall of the installation groove; the side wall of the sleeve seat is further provided with a third threaded hole, the third threaded hole is communicated with the mounting groove, and a third fastening bolt is screwed in the third threaded hole.

In the technical scheme, the transmission wheel is rotatably sleeved outside the transmission shaft, when the fixed wheel is required to be connected with the pin of the gear shifting rod of the gear shifter, the transmission wheel is rotated so that the fixed wheel of the connecting rod is connected with the pin, and after the connection is finished, in order to prevent the influence on the test caused by unfixed transmission wheel in the operation process of the test equipment, the transmission wheel and the transmission shaft are fixed by fastening bolts; the connecting rod adopts a mode of a rod part I, a rod part II and a sleeve seat, the distance between the rod part I and the sleeve seat can be adjusted according to gear shifters of different specifications, and the gear shifters are fixed through a fastening bolt III after adjustment is finished; meanwhile, the fixed wheel and the pin of the gear shifting rod of the gear shifter are fixed through a second fastening bolt.

The invention is further provided with: the surface of the mounting seat is provided with an inclined surface, a plurality of positioning holes are formed in the inclined surface, and the gear shifter is placed on the inclined surface and fixed through bolts.

Among the above-mentioned technical scheme, for the test that makes power more stable and accurate, the surface of mount pad is the inclined plane, fixes the selector through the locating hole on this inclined plane to make follow-up in the test procedure, connecting rod (pole portion one, pole portion two and cover seat) are parallel with the horizontal plane, ensure reciprocating motion's validity.

The invention is further provided with: a control mechanism is further placed at the upper end of the bottom plate and comprises a control system and a display screen, and the control system is electrically connected with the driving motor and the display screen.

Among the above-mentioned technical scheme, thereby control system is used for controlling the rotational speed of driving motor to realize the vibration simulation in engine storehouse, and the display screen is connected with control system electricity, then can observe the test progress in real time to and through setting up reservation parameter, observe the influence condition of selector.

The invention discloses a shifter micro-stroke durable vibration testing device, which is compared with the prior art:

1) the shifter is fixed on the surface of the mounting seat, so that the shifter cannot move in the operation process of the whole testing device, and the testing accuracy is improved; the cam rotating mechanism plays a role of a power source in the whole testing equipment, one side of the cam rotating mechanism is provided with the vibration testing mechanism, the cam of the cam rotating mechanism transmits the power source to a rotating wheel of the vibration testing mechanism, the resetting mechanism is arranged on one side of the vibration testing mechanism and is used for forcing the rotating wheel of the vibration testing mechanism to be always in close contact with the cam of the cam rotating mechanism, so that sufficient power transmission is realized, and subsequent testing is facilitated;

2) the output end of the driving motor is connected with the driving wheel, the driven wheel is sleeved outside the rotating shaft, and the driving wheel and the driven wheel are connected through a belt, namely the driving motor provides a power source for the cams, the driving motor can simultaneously control the two cams to rotate through the transmission of kinetic energy of the rotating shaft, and each cam corresponds to one rotating wheel, so that the whole testing equipment can run more stably and stably;

3) the spring fixing seat is fixed on the surface of the testing seat, a spring is connected between the spring fixing seat and the fixing block, and in the actual working process, due to the deformation elasticity of the spring, the spring always provides a force for the sliding plate to approach the cam rotating mechanism (namely, the spring always provides a force for the rotating wheel to approach the cam), so that the rotating wheel is tightly contacted with the cam, the rotating wheel is in rotating contact with the cam constantly in the rotating process of the cam, the validity of kinetic energy transmission is ensured, and the accuracy of the test is also ensured;

4) in the technical scheme, in order to enable the force test to be more stable and accurate, the surface of the mounting seat is an inclined surface, and the shifter is fixed on the inclined surface through the positioning hole, so that the connecting rod (the rod part I, the rod part II and the sleeve seat) is parallel to a horizontal plane in the subsequent test process, and the effectiveness of reciprocating motion is ensured;

5) the control system is used for controlling the rotating speed of the driving motor so as to realize vibration simulation of the engine bin, and the display screen is electrically connected with the control system, so that the test progress can be observed in real time, and the influence condition of the gear shifter can be observed by setting preset parameters;

6) this technical scheme carries out reciprocating motion through the gear level to the shifter and simulates the influence that the engine storehouse led to the fact to the gear level of gear level, and the gear level that tests the gear level through setting for the cam rotation number of turns appears wearing and tearing or inefficacy under the condition of lasting for a long time, if do not have the inefficacy in the number of turns of setting for, then the product is qualified.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of a surface a in fig. 1 for showing the return mechanism.

Fig. 4 is a schematic structural view of the connecting rod of the present invention.

Fig. 5 is a perspective view of the connecting mechanism of the present invention in a state where the shifter is connected.

Fig. 6 is a side view of the connecting mechanism of the present invention in a state where the shifter is connected.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 10. a cam rotating mechanism; 20. a vibration testing mechanism; 30. a reset mechanism; 40. a connecting mechanism; 50. a base plate; 60. a mounting seat; 70. a test seat; 10a, a cam; 10b, a mounting rack; 10c, a rotating shaft; 10d, driven wheels; 10e, driving a motor; 10f, a driving wheel; 20a, a rotating wheel; 20b, a sliding plate; 20c, a connecting seat; 20d, a transmission shaft; 20e, a slide rail; 30a, a spring fixing seat; 30b, a spring; 30c, fixing blocks; 40a, a transmission wheel; 40b, a connecting rod; 40b1, rod one; 40b2 and a second rod part; 40b3, nest; 40c, fastening a first bolt; 40d, a fixed wheel; 40e, fastening a second bolt; 40f, fastening a third bolt; 60a, an inclined surface; 60b, positioning holes.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 6, the durable shock test equipment for the micro-stroke of the gear shifter comprises: a cam rotating mechanism 10 including a cam 10a rotatably provided; the vibration testing mechanism 20 comprises a rotating wheel 20a which is arranged in a rotating way, and the rotating wheel 20a is contacted with the cam 10 a; the reset mechanism 30 comprises a spring fixing seat 30a and a spring 30b connected with the spring fixing seat 30a, the spring 30b is further connected with the vibration testing mechanism 20, and the spring 30b is used for pressing the rotating wheel 20a of the vibration testing mechanism 20 and the cam 10 a; at least one group of connecting mechanisms 40, wherein each connecting mechanism 40 comprises a transmission wheel 40a coaxially connected with the corresponding rotating wheel 20a, one end of each transmission wheel 40a is fixedly connected with a connecting rod 40b, and the connecting rod 40b is further connected with a pin of the gear shifter. The cam 10a rotates to drive the rotating wheel 20a to rotate, the spring deformation force of the spring 30b of the reset mechanism 30 always provides a force for the vibration testing mechanism 20, so that the rotating wheel 20a and the cam 10a are pressed tightly, and the connecting mechanism 40 is used for being connected with a pin of a gear shifting rod of a gear shifter, so that the vibration of an engine compartment is simulated; it is worth noting that the technical scheme is used for simulating the influence of vibration of an engine bin on the gear shifter, so that the service life of the gear shifter can be tested, and the influence of the gear shifter subjected to vibration for a long time on the use of the gear shifter can be tested.

Referring to fig. 1, the test apparatus further includes: a base plate 50; a mounting seat 60, wherein the mounting seat 60 is used for fixing the shifter on the surface; test seat 70 is located one side of mount pad 60, cam slewing mechanism 10 vibrations accredited testing organization 20 and canceling release mechanical system 30 all set up in test seat 70 upper end, canceling release mechanical system 30 is located and is close to one side of mount pad 60, vibrations accredited testing organization 20 is located between canceling release mechanical system 30 and the cam slewing mechanism 10. The vibration testing mechanism 20 is located between the cam rotating mechanism 10 and the reset mechanism 30, and the reset mechanism 30 is used for pressing the rotating wheel 20a of the vibration testing mechanism 20 against the cam 10a of the cam rotating mechanism 10.

Referring to fig. 1 and 5, the cam rotating mechanism 10 further includes two mounting brackets 10b symmetrically fixed on the surface of the test socket 70, a rotating shaft 10c is rotatably disposed between the two mounting brackets 10b, cams 10a are respectively sleeved at two ends of the rotating shaft 10c, the cams 10a are located at the outer sides of the mounting brackets 10b, driven wheels 10d are further sleeved outside the rotating shaft 10c, and the driven wheels 10d are located at the outer sides of one of the cams 10 a; the surface of the bottom plate 50 is further fixed with a driving motor 10e, an output shaft end of the driving motor 10e is connected with a driving wheel 10f, and the driving wheel 10f is connected with the driven wheel 10d through a belt. The rotating shaft 10c is rotatably arranged between the two mounting frames 10b, two ends of the rotating shaft 10c extend to the outer sides of the mounting frames 10b, the cams 10a are rotatably arranged at two ends of the rotating shaft 10c, namely, the driving motor 10e transmits a power source to the rotating shaft 10c through the driving wheel 10f and the driven wheel 10d, the driven wheel 10d is sleeved on the rotating shaft 10c, the driven wheel 10d can drive the rotating shaft 10c to rotate, and the rotating shaft 10c can drive the cams 10a sleeved on the rotating shaft 10c to rotate; in addition, it should be noted that, in order to prevent the environment (such as dust, moisture, etc.) in the development and test plant from affecting the driving pulley 10f and the driven pulley 10d, a protective cover is further provided outside the driving pulley 10f and the driven pulley 10 d.

Referring to fig. 1, the cam 10a is an elliptical cam, and the long diameter of the cam 10a is 0.6mm larger than the short diameter. The long diameter of the elliptic cam is 0.6mm larger than the short diameter, namely when the cam 10a rotates a half circle, the rotating wheel 20a moves towards the horizontal direction, and when the cam 10a rotates a circle, the rotating wheel 20a completes a reciprocating action in the horizontal direction; it is noted that the long diameter of the cam 10a is 0.6mm larger than the short diameter as a preferred embodiment, and is designed to simulate the vibration of the engine compartment, which may be referred to as a micro-stroke.

Referring to fig. 1, 2 and 5, the vibration testing mechanism 20 further includes a sliding plate 20b slidably disposed on the surface of the testing base 70, two connecting bases 20c are symmetrically disposed on the upper surface of the sliding plate 20b, a transmission shaft 20d is rotatably disposed between the two connecting bases 20c, rotating wheels 20a are rotatably disposed at both ends of the transmission shaft 20d, the rotating wheels 20a are located at the outer sides of the connecting bases 20c, two sliding rails 20e are symmetrically disposed on the surface of the testing base 70, and a sliding block is fixed on the lower surface of the sliding plate 20b corresponding to the sliding rails 20e and slidably connected to the sliding rails 20 e. The sliding plate 20b is slidably disposed on the surface of the test base 70 through the sliding rail 20e and the sliding block, so that the stability of the horizontal reciprocating motion of the sliding plate 20b can be ensured, the sliding plate 20b can move according to a predetermined track, and the simulation test accuracy is improved; in addition, it should be noted that the rotating wheel 20a is rotatably disposed on the transmission shaft 20d, that is, the rotation of the rotating wheel 20a does not drive the transmission shaft 20d to rotate, and when the rotating wheel 20a performs reciprocating motion in the horizontal direction, the transmission shaft 20d and the sliding plate 20b perform reciprocating motion in the horizontal direction.

Referring to fig. 1 and 3, the spring fixing seat 30a of the returning mechanism 30 is fixed on the surface of the testing seat 70, the sliding plate 20b is further provided with a fixing block 30c at a side corresponding to the spring fixing seat 30a, and the spring 30b is respectively connected to the spring fixing seat 30a and the fixing block 30 c. Wherein, the spring 30b is located between the spring fixing seat 30a and the fixing block 30c and is respectively connected with the spring fixing seat 30a and the fixing block 30c, which can ensure that the spring 30b cannot be separated from the spring fixing seat 30a and the fixing block 30c, and meanwhile, as a further optimization, the fixing block 30c is provided with a groove at the middle part of one side close to the spring 30b, then the spring fixing seat 30a is provided with a limit rod at one side close to the spring 30b, the limit rod extends into the groove, and the spring 30b is sleeved outside the limit rod, it is noted that, although the limit rod extends into the groove, under the condition of normal reciprocating motion, as shown in detail in fig. 3, the limit rod is not contacted with the right side wall of the groove, the limit rod is arranged to play a guiding role for the spring 30b, of course, if the limit rod is contacted with the right side wall of the groove, the maximum stroke is reached, the right side wall of the groove can also play a limiting role, as an optimal scheme, a contact sensor is further arranged in the right side wall of the groove and electrically connected with the control system, when the limiting rod is in contact with the contact sensor, the contact sensor provides a signal and feeds the signal back to the control system, and the control system immediately controls the driving motor to stop working and can also play a role in protecting the whole testing equipment.

Referring to fig. 1 to 5, the driving wheel 40a is rotatably sleeved outside the transmission shaft 20d, a first threaded hole is further formed in the side wall of the driving wheel 40a, and a first fastening bolt 40c is screwed in the first threaded hole;

the connecting rod 40b comprises a first rod part 40b1, a second rod part 40b2 and a sleeve seat 40b3, one end of the first rod part 40b1 is fixedly connected with the driving wheel 40a, the other end of the first rod part 40b1 is connected with the sleeve seat 40b3, one end of the second rod part 40b2 is fixedly connected with the sleeve seat 40b3, the other end of the second rod part 40b2 is fixedly connected with a fixed wheel 40d, the side wall of the fixed wheel 40d is provided with a second threaded hole, a second fastening bolt 40e is screwed in the second threaded hole, and the fixed wheel 40d is used for being connected with a pin of a shifter;

the sleeve seat 40b3 is concavely provided with a mounting groove at the central part of one side close to the rod part I40 b1, the rod part I40 b1 and the rod part II 40b2 are both in the shape of a round rod, and the outer wall of the rod part I40 b1 is adapted to the inner wall of the mounting groove; the side wall of the sleeve seat 40b3 is further provided with a third threaded hole, the third threaded hole is communicated with the mounting groove, and a third fastening bolt 40f is screwed in the third threaded hole. The fastening bolt is used for facilitating fixing and preventing loosening, and meanwhile, the fastening bolt III 40f at the sleeve seat 40b3 is used for facilitating extending or shortening of the connecting rod 40b and facilitating connection of shifters of different specifications and models.

Referring to fig. 1 and 2, the surface of the mounting seat 60 has an inclined surface 60a, the inclined surface 60a is provided with a plurality of positioning holes 60b, and the shifter is placed on the inclined surface 60a and fixed by bolts. The inclined surface 60a is provided to enable the connecting rod 40b to be in a state of being parallel to a horizontal plane after the subsequent connecting rod 40b is connected with a pin of a shift lever of the shifter, and the connecting rod 40b is kept horizontal (i.e. the connecting rod 40b is parallel to the surface of the bottom plate 50), so that the connecting rod 40b is ensured to be in a horizontal state when reciprocating, and the influence is reduced; the positioning hole 60b is provided to facilitate fixing of the shifter, and a bolt is passed through a hole in the shifter and screwed into the positioning hole 60b to complete the fixing.

As a preferable scheme, a control mechanism is further placed at the upper end of the bottom plate 50, the control mechanism comprises a control system and a display screen, and the control system is electrically connected with the driving motor 10e and the display screen. The control mechanism is adopted to realize the control of the driving motor 10e, and the control system can control the rotating speed of the driving motor 10e according to actual requirements and also can control the rotating time of the driving motor 10e according to actual requirements, so that the influence of the vibration of an engine bin on the gear shifter is simulated through the reciprocating motion of micro-stroke; for example, the control system is adopted to control the driving motor 10e to rotate 10 circles per second and display the number on the display screen, meanwhile, the number of rotation circles of the driving motor 10e can be displayed on the display screen in real time, the numerical value of the number of rotation circles of the driving motor 10e is set through the control system, when the driving motor 10e reaches the set numerical value, the control system automatically controls the driving motor 10e to stop working, vibration simulation of an engine bin is achieved through setting circle number simulation, after the simulation is finished, the gear of the gear shifter is tested, whether the test is problematic or not is judged, and if the test is not problematic, the product is qualified.

As a preferable mode of the present invention, the mount 60 is detachably fixed to the surface of the base plate 50, and the position of the mount 60 is adjustable according to the specification of the shifter.

As a preferable solution of the present invention, the connecting mechanisms 40 are three sets, that is, three shifters can be tested at the same time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A durable vibrations test equipment of selector fine stroke, its characterized in that includes:

a cam rotating mechanism (10) comprising a rotatably arranged cam (10 a);

the vibration testing mechanism (20) comprises a rotating wheel (20a) which is arranged in a rotating mode, and the rotating wheel (20a) is in contact with the cam (10 a);

the reset mechanism (30) comprises a spring fixing seat (30a) and a spring (30b) connected with the spring fixing seat (30a), the spring (30b) is also connected with the vibration testing mechanism (20), and the spring (30b) is used for pressing a rotating wheel (20a) of the vibration testing mechanism (20) and the cam (10 a);

the connecting mechanism (40) comprises a transmission wheel (40a) coaxially connected with the rotating wheel (20a), one end of the transmission wheel (40a) is fixedly connected with a connecting rod (40b), and the connecting rod (40b) is further connected with a pin of the gear shifter.

2. The shifter micro-stroke endurance shock testing apparatus of claim 1, further comprising:

a base plate (50);

a mounting seat (60), wherein the surface of the mounting seat (60) is fixed with the gear shifter;

test seat (70), be located one side of mount pad (60), cam slewing mechanism (10) vibrations accredited testing organization (20) and canceling release mechanical system (30) all set up in test seat (70) upper end, canceling release mechanical system (30) are located and are close to one side of mount pad (60), vibrations accredited testing organization (20) are located between canceling release mechanical system (30) and cam slewing mechanism (10).

3. The shifter micro-stroke endurance shock testing apparatus of claim 2, wherein: the cam rotating mechanism (10) further comprises two mounting frames (10b) symmetrically fixed on the surface of the test seat (70), a rotating shaft (10c) is rotatably arranged between the two mounting frames (10b), cams (10a) are sleeved at two ends of the rotating shaft (10c), the cams (10a) are located on the outer sides of the mounting frames (10b), driven wheels (10d) are further sleeved outside the rotating shaft (10c), and the driven wheels (10d) are located on the outer side of one of the cams (10 a); the surface of the bottom plate (50) is further fixed with a driving motor (10e), the output shaft end of the driving motor (10e) is connected with a driving wheel (10f), and the driving wheel (10f) is connected with a driven wheel (10d) through a belt.

4. The shifter micro-stroke endurance shock testing apparatus of claim 1 or 3, wherein: the cam (10a) is an elliptical cam, and the long diameter of the cam (10a) is 0.6mm larger than the short diameter.

5. The shifter micro-stroke endurance shock testing apparatus of claim 2, wherein: the vibration testing mechanism (20) further comprises a sliding plate (20b) arranged on the surface of the testing seat (70) in a sliding mode, two connecting seats (20c) are symmetrically arranged on the upper surface of the sliding plate (20b), a transmission shaft (20d) is arranged between the two connecting seats (20c) in a rotating mode, two ends of the transmission shaft (20d) are respectively provided with a rotating wheel (20a) in a rotating mode, the rotating wheels (20a) are located on the outer side of the connecting seats (20c), two sliding rails (20e) are further symmetrically arranged on the surface of the testing seat (70), a sliding block is fixed on the lower surface of the sliding plate (20b) in a position corresponding to the sliding rails (20e), and the sliding block is connected with the sliding rails (20e) in a sliding mode.

6. The shifter micro-stroke endurance shock testing apparatus of claim 5, wherein: the spring fixing seat (30a) of the reset mechanism (30) is fixed on the surface of the test seat (70), a fixing block (30c) is further arranged on one side, corresponding to the spring fixing seat (30a), of the sliding plate (20b), and the spring (30b) is connected with the spring fixing seat (30a) and the fixing block (30c) respectively.

7. The shifter micro-stroke endurance shock testing apparatus of claim 5, wherein: the transmission wheel (40a) is rotatably sleeved outside the transmission shaft (20d), a first threaded hole is formed in the side wall of the transmission wheel (40a), and a first fastening bolt (40c) is screwed in the first threaded hole;

the connecting rod (40b) comprises a first rod part (40b1), a second rod part (40b2) and a sleeve seat (40b3), one end of the first rod part (40b1) is fixedly connected with the driving wheel (40a), the other end of the first rod part (40b1) is connected with the sleeve seat (40b3), one end of the second rod part (40b2) is fixedly connected with the sleeve seat (40b3), the other end of the second rod part (40b2) is fixedly connected with a fixed wheel (40d), a second threaded hole is formed in the side wall of the fixed wheel (40d), a second fastening bolt (40e) is screwed in the second threaded hole, and the fixed wheel (40d) is used for being connected with a pin of a gear shifter.

8. The shifter micro-stroke endurance shock testing apparatus of claim 7, wherein: the sleeve seat (40b3) is concavely provided with an installation groove at the central part of one side close to the rod part I (40b1), the rod part I (40b1) and the rod part II (40b2) are both in a round rod shape, and the outer wall of the rod part I (40b1) is adapted to the inner wall of the installation groove; the side wall of the sleeve seat (40b3) is further provided with a third threaded hole, the third threaded hole is communicated with the mounting groove, and a third fastening bolt (40f) is screwed in the third threaded hole.

9. The shifter micro-stroke endurance shock testing apparatus of claim 2, wherein: the surface of the mounting seat (60) is provided with an inclined surface (60a), a plurality of positioning holes (60b) are formed in the inclined surface (60a), and the gear shifter is placed on the inclined surface (60a) and fixed through bolts.

10. The shifter micro-stroke endurance shock testing apparatus of claim 2, wherein: a control mechanism is further placed at the upper end of the bottom plate (50), the control mechanism comprises a control system and a display screen, and the control system is electrically connected with the driving motor (10e) and the display screen.