CN116296362A

CN116296362A - Road surface condition balance test board for automobile driving

Info

Publication number: CN116296362A
Application number: CN202310564716.3A
Authority: CN
Inventors: 王红易; 黄万友; 林登坤; 刘广振; 彭艳丽
Original assignee: Shandong Xinlingzhi Testing Technology Co ltd
Current assignee: Jinan Hengli Software Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-06-23
Anticipated expiration: 2043-05-19
Also published as: CN116296362B

Abstract

The invention discloses a road surface condition balance test board for automobile driving, which relates to the technical field of gearbox test equipment and comprises a base, a frame and a gearbox, wherein a main shaft is rotatably connected to the side end of the frame, the gearbox is fixedly arranged on a top plate, a side rod is fixedly connected to one end of the top plate, which is far away from the gearbox, and the side rod penetrates through the frame and is in sliding connection with the frame. The invention better simulates jolt and inclination generated by different road conditions faced by the gearbox in the driving process of the automobile through the transmission of the jolt mechanism and the swinging mechanism, and balances and tests the performance of the gearbox under dynamic conditions so as to obtain more accurate test data, and is also beneficial to timely finding out problems for improvement before the gearbox is put into use.

Description

Road surface condition balance test board for automobile driving

Technical Field

The invention relates to the technical field of gearbox testing equipment, in particular to a pavement condition balance test board for automobile driving.

Background

With the continuous improvement of the living standard of people and the demand for convenience in traveling, automobiles are becoming an indispensable transportation means in human life. People are in the in-process of driving the car, because of the difference of road surface condition, including road surface potholes, fluctuation, protruding etc. that cement, stone, well lid etc. formed, cause the car to take place jolting in the driving process, also can make the important spare part of car receive jolting, can damage spare part even under serious condition.

The gearbox is one of important components of the automobile, and the normal use of the automobile is directly influenced by the good or bad working performance of the gearbox, so that the gearbox is required to be subjected to performance test. However, the existing gearbox is tested on a static balance test platform, so that the performance test of the gearbox cannot be simulated under the condition of aiming at different road conditions in the driving process of an automobile, namely, the dynamic balance test cannot be performed, the test accuracy is lower, and problems can not be found in time before the gearbox is put into use for improvement.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a road surface condition balance test board for automobile driving, which aims to solve the technical problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: the road surface condition balance test board for automobile driving comprises a base, a frame and a gearbox, wherein the side end of the frame is rotationally connected with a main shaft, the gearbox is fixedly arranged on a top plate, one end of the top plate, which is far away from the gearbox, is fixedly connected with a side rod, the side rod penetrates through the frame and is in sliding connection with the frame, and the balance test board further comprises a swinging mechanism and a jolting mechanism;

the swing mechanism comprises a guide rod, a swing rod and a second motor, the second motor is fixedly arranged in the fixed seat, the swing rod is fixedly connected to the output shaft end of the second motor, one end of the swing rod, which is far away from the second motor, is fixedly connected with a guide block, two ends of the guide rod are fixedly connected to the frame, a guide groove is formed in one side, facing the swing rod, of the guide rod, and the guide groove is in sliding fit with the guide block;

the jolt mechanism comprises a first spring, a scraping plate, a first lug, a bottom plate and a second lug, wherein the scraping plate is fixedly connected with one end of a side rod far away from the top plate, the side rod between the scraping plate and the frame is sleeved with the first spring, one end of the first spring is fixedly connected with the scraping plate, the other end of the first spring is fixedly connected with the frame, a connecting arc surface of one end of the scraping plate far away from the first spring is rotationally connected with a rotating arc surface of the bottom plate, the positions of circle centers of the connecting arc surface and the rotating arc surface are the same as the positions of the circle centers of the main shaft, a plurality of first lugs arranged at intervals are arranged on the connecting arc surface, a plurality of second lugs arranged at intervals are arranged on the rotating arc surface, and the first lugs are in friction conflict with the second lugs;

when the gearbox is located the position of jolting, the second motor in the swing mechanism is used for driving the pendulum rod to rotate for guide block and guide way sliding connection, first lug and second lug friction conflict, the frame rotates around the main shaft, makes the gearbox receive the effect of jolting.

As a further scheme of the invention: one end of the main shaft far away from the frame penetrates through the limit column, the main shaft is in sliding connection with the limit column in a limit groove arranged on the limit column, the limit column is fixedly arranged on the base, the balance test bench also comprises a lifting mechanism and an oscillation mechanism;

the lifting mechanism is arranged in the cavity, the cavity is formed in the base, the lifting mechanism comprises a supporting plate and an adjusting component, the supporting plate is in sliding connection with the cavity, a bottom plate and a fixing seat are fixedly arranged on the supporting plate, one end of the fixing seat, which is far away from the second motor, penetrates into the cavity, one end of the bottom plate, which is far away from the scraping plate, penetrates into the cavity, the bottom plate and the fixing seat are respectively in sliding connection with the base, the supporting plate is connected with the adjusting component, the adjusting component is arranged in the cavity and used for adjusting the position of the supporting plate in the cavity, the supporting plate is also connected with the oscillating mechanism through a connecting component, the connecting component comprises a supporting column, one end of the supporting column is arranged on the supporting plate, and the other end of the supporting column is used for limiting the circumferential rotation of the main shaft;

the vibration mechanism comprises a first motor, a spiral plate and a fourth lug, wherein the output end of the first motor is in transmission connection with a rotating shaft, the spiral plate is fixedly connected to the rotating shaft, the other end of the rotating shaft is rotationally connected to a bracket, the bracket is fixedly arranged on a base, the fourth lug is fixedly arranged on the spiral plate, wherein a third lug is further arranged on the circumferential surface of one end, far away from the frame, of the main shaft, the main shaft is matched with the vibration connection surface of the spiral plate, the fourth lug is in interference fit with the third lug, when the gearbox is in a vibration position, the fourth lug is in intermittent friction interference with the third lug, and when the gearbox is in a jolt position, the fourth lug is arranged at intervals with the third lug;

when the supporting plate is at the initial position, the guide blocks and the guide grooves are arranged at intervals, the main shaft and the supporting columns are arranged at intervals, the first convex blocks and the second convex blocks are arranged at intervals, the gearbox is at the vibration position, the main shaft drives the frame to reciprocate linearly along the arrangement direction of the limiting grooves through intermittent transmission of the main shaft and the spiral plate, and the third convex blocks and the fourth convex blocks are in intermittent friction and interference, so that the gearbox is subjected to vibration; when the adjusting component drives the supporting plate to move towards the direction of the frame and the guide block is in sliding connection with the guide groove, and the support column limits the circumferential rotation of the main shaft, the gearbox is in a jolt position.

As a further scheme of the invention: the adjusting component comprises a third motor, a screw rod, a sliding block and a connecting rod, wherein the third motor is installed in the cavity, the screw rod is connected with the output shaft end of the third motor in a transmission mode, the screw rod is connected with the base in a rotating mode, the sliding block is connected with the screw rod in a threaded mode, the sliding block is slidably connected in a sliding groove formed in the cavity, the end portion, far away from the sliding groove, of the sliding block is connected with the connecting rod in a rotating mode, and one end, far away from the sliding block, of the connecting rod is connected with the supporting plate in a rotating mode.

As a further scheme of the invention: the rotation angle of the spiral plate is larger than 90 degrees, and the rotation angle of the spiral plate is smaller than 360 degrees.

As a further scheme of the invention: the balance test bench further comprises a limiting mechanism, the limiting mechanism comprises a clamping column, a clamping groove and a limiting block, the clamping column is fixedly connected with a vertical plate, one end of the vertical plate, which is far away from the clamping column, is in sliding connection with a base, a third spring is fixedly connected to one side of the vertical plate along the sliding direction of the base, the other end of the third spring is fixedly connected to the base, the vertical plate is opposite to the limiting block, the limiting block is in sliding connection with a limiting guide rail arranged on the supporting column, the limiting guide rail is obliquely arranged, the highest point of the limiting guide rail is close to the frame, and the lowest point of the limiting guide rail is far away from the frame.

As a further scheme of the invention: a clamping groove is formed in one side, close to the vertical plate, of the frame, the clamping groove is in sliding fit with the clamping post, and the arrangement direction of the clamping groove is parallel to the movement track of the supporting post;

when the gearbox is in the vibration position, the limiting block is located at one end, close to the frame, of the limiting guide rail, the clamping column is inserted into the clamping groove and is in sliding connection with the clamping groove, when the gearbox is in the jolt position, the limiting block is located at one end, far away from the frame, of the limiting guide rail, and the clamping column and the clamping groove are arranged at intervals.

As a further scheme of the invention: the support column is provided with the inserted block far away from the one end of base, and the slot has been seted up to the position of inserted block on the main shaft, when the gearbox is located the position of jolting, the inserted block inserts in the slot, realizes the support to the main shaft fixed, when the gearbox is located the vibration position, the inserted block sets up with the slot interval.

As a further scheme of the invention: the frame is close to the one end of gearbox and has seted up flutedly, and when the gearbox was located the position of jolting, roof sliding connection in the recess, the recess is used for to the motion direction of roof.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has at least the following beneficial effects:

according to the invention, through the transmission of the bumping mechanism and the swinging mechanism, the guide rod in the swinging mechanism drives the frame and the gearbox to swing and incline, and meanwhile, the guide rod is subjected to the interference transmission of the first bump and the second bump in the bumping mechanism, so that bumping feeling is generated, bumping and incline generated by different road conditions faced by the gearbox in the driving process of an automobile are better simulated, and the performance of the gearbox is tested under dynamic conditions, so that more accurate test data is obtained, and the problem can be found in time before the gearbox is put into use, so that improvement is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a three-dimensional schematic diagram of an overall structure of a road surface condition balance test stand for driving an automobile according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an overall structure of a pavement condition balance test stand for driving an automobile in an oscillation position according to an embodiment of the present invention;

fig. 3 is a schematic view of a local three-dimensional structure of an oscillating mechanism when a road surface condition balance test stand for driving an automobile is located at an oscillating position according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an overall structure of a road surface condition balance test stand for driving an automobile according to an embodiment of the present invention in a jolt position;

FIG. 5 is a schematic view of a partial three-dimensional structure of a bump mechanism and an oscillation mechanism when a road surface condition balance test stand for driving an automobile is located at a bump position according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a limiting mechanism of a road surface condition balance test stand for driving an automobile in an oscillation position according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a limiting mechanism of a road surface condition balance test stand for driving an automobile in a bump position according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a support column in a road surface condition balance test stand for driving an automobile according to an embodiment of the present invention;

reference numerals illustrate:

1. a base; 2. a bracket; 3. a support column; 4. a top plate; 5. a gearbox; 6. a swinging mechanism; 7. a bump mechanism; 8. an oscillating mechanism; 9. a lifting mechanism; 10. a limiting mechanism; 61. a guide rod; 62. a guide groove; 63. a guide block; 64. swing rod; 65. a second motor; 66. a fixing seat; 71. a first spring; 72. a scraper; 73. a first bump; 74. a bottom plate; 75. a second bump; 81. a rotating shaft; 82. a fourth bump; 83. a spiral plate; 84. a first motor; 91. a supporting plate; 92. a connecting rod; 93. a slide block; 94. a screw rod; 95. a third motor; 101. a spacing guide rail; 102. a limiting block; 103. a riser; 104. a third spring; 105. a clamping column; 106. a clamping groove; 11. a frame; 12. a limit column; 13. a second spring; 14. a limit groove; 15. a main shaft; 16. a slot; 17. a groove; 18. inserting blocks; 19. a chamber; 20. a third bump; 21. a side bar.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 8, the road surface condition balance test stand for driving an automobile provided by the embodiment of the invention comprises a base 1, a frame 11 and a gearbox 5, wherein a main shaft 15 is rotatably connected to the side end of the frame 11, the gearbox 5 is fixedly arranged on a top plate 4, a side rod 21 is fixedly connected to one end of the top plate 4 far away from the gearbox 5, the side rod 21 penetrates through the frame 11 and is in sliding connection with the frame 11, and the balance test stand further comprises a swinging mechanism 6 and a lifting mechanism 9;

the swinging mechanism 6 comprises a guide rod 61, a swinging rod 64 and a second motor 65, the second motor 65 is fixedly arranged in a fixed seat 66, the swinging rod 64 is fixedly connected to the output shaft end of the second motor 65, one end of the swinging rod 64 away from the second motor 65 is fixedly connected with a guide block 63, two ends of the guide rod 61 are fixedly connected to the frame 11, one side, facing the swinging rod 64, of the guide rod 61 is provided with a guide groove 62, and the guide groove 62 is in sliding fit with the guide block 63;

the bumping mechanism 7 comprises a first spring 71, a scraping plate 72, a first lug 73, a bottom plate 74 and a second lug 75, wherein the scraping plate 72 is fixedly connected with one end, far away from the top plate 4, of the side rod 21, the side rod 21 between the scraping plate 72 and the frame 11 is sleeved with the first spring 71, one end of the first spring 71 is fixedly connected with the scraping plate 72, the other end of the first spring 71 is fixedly connected with the frame 11, a connecting arc surface of one end, far away from the first spring 71, of the scraping plate 72 is rotationally connected with a rotating arc surface of the bottom plate 74, the positions of circle centers of the connecting arc surface and the rotating arc surface are the same as the positions of the circle centers of the main shaft 15, a plurality of first lugs 73 are arranged on the connecting arc surface at intervals, a plurality of second lugs 75 are arranged on the rotating arc surface at intervals, and the first lugs 73 are in friction and conflict with the second lugs 75;

when the gearbox 5 is located at the jolt position, the second motor 65 in the swinging mechanism 6 is used for driving the swinging rod 64 to rotate, so that the guide block 63 is in sliding connection with the guide groove 62, the first protruding block 73 is in friction interference with the second protruding block 75, and the frame 11 rotates around the main shaft 15, so that the gearbox 5 is subjected to jolt action.

The degree of protrusion of the first protrusion 73 and the second protrusion 75 can be set by a worker as required, so as to set the degree of jolt to which the gearbox 5 is subjected under the friction interference between the first protrusion 73 and the second protrusion 75, which is not limited herein.

With continued reference to fig. 2 to 5, in some embodiments, an end of the main shaft 15 away from the frame 11 penetrates through the limit post 12, and the main shaft 15 is slidably connected in a limit groove 14 formed on the limit post 12, the limit post 12 is fixedly mounted on the base 1, wherein a side end of the main shaft 15 slidably connected in the limit groove 14 is fixedly connected with one end of the second spring 13, the other end of the second spring 13 is fixedly connected to the limit post 12, and the balance test stand further comprises a lifting mechanism 9 and an oscillating mechanism 8;

the lifting mechanism 9 is installed in the cavity 19, the cavity 19 is formed in the base 1, the lifting mechanism 9 comprises a supporting plate 91 and an adjusting component, the supporting plate 91 is in sliding connection with the cavity 19, a bottom plate 74 and a fixing seat 66 are fixedly installed on the supporting plate 91, one end of the fixing seat 66, which is far away from the second motor 65, penetrates into the cavity 19, one end of the bottom plate 74, which is far away from the scraping plate 72, penetrates into the cavity 19, the bottom plate 74 and the fixing seat 66 are respectively in sliding connection with the base 1, the supporting plate 91 is connected with the adjusting component, the adjusting component is installed in the cavity 19 and is used for adjusting the position of the supporting plate 91 in the cavity 19, the supporting plate 91 is also connected with the oscillating mechanism 8 through a connecting component, the connecting component comprises a supporting column 3, one end of the supporting column 3 is installed on the supporting plate 91, and the other end of the supporting column 3 is used for limiting circumferential rotation of the main shaft 15;

the oscillation mechanism 8 comprises a first motor 84, a spiral plate 83 and a fourth lug 82, wherein the output end of the first motor 84 is in transmission connection with a rotating shaft 81, the spiral plate 83 is fixedly connected to the rotating shaft 81, the other end of the rotating shaft 81 is rotatably connected to a support 2, the support 2 is fixedly arranged on a base 1, the fourth lug 82 is fixedly arranged on the spiral plate 83, a third lug 20 is further arranged on the circumferential surface of one end, far away from the frame 11, of the main shaft 15, the main shaft 15 is matched with an oscillation connection surface of the spiral plate 83, the fourth lug 82 is in interference fit with the third lug 20, when the gearbox 5 is in an oscillation position, the fourth lug 82 is in intermittent friction interference with the third lug 20, and when the gearbox 5 is in a bump position, the fourth lug 82 is arranged at intervals with the third lug 20;

when the supporting plate 91 is at the initial position, the guide block 63 is arranged at intervals with the guide groove 62, the main shaft 15 is arranged at intervals with the supporting column 3, the first protruding block 73 and the second protruding block 75 are arranged at intervals, the gearbox 5 is at the oscillation position, the main shaft 15 drives the frame 11 to reciprocate linearly along the arrangement direction of the limiting groove 14 through the intermittent transmission of the main shaft 15 and the spiral plate 83, and the intermittent friction and the interference of the third protruding block 20 and the fourth protruding block 82 are realized, so that the gearbox 5 is subjected to the oscillation action; when the adjusting component drives the supporting plate 91 to move towards the frame 11 to the direction that the guide block 63 is in sliding connection with the guide groove 62, and the support column 3 limits the circumferential rotation of the main shaft 15, the gearbox 5 is in a jolt position, wherein the lifting mechanism 9 is used for driving the bottom plate 74, the fixing seat 66 and the support column 3 to synchronously move under the transmission of the adjusting component, so that the conversion between the jolt position and the oscillation position of the gearbox 5 is realized, and the required working state of the gearbox 5 during testing is flexibly adjusted.

Referring to fig. 4, in some embodiments, the adjusting assembly includes a third motor 95, a screw rod 94, a slider 93 and a connecting rod 92, the third motor 95 is installed in the cavity 19, the output shaft end of the third motor 95 is in transmission connection with the screw rod 94, the screw rod 94 is in rotational connection with the base 1, the screw rod 94 is in threaded connection with the slider 93, the slider 93 is in sliding connection with a sliding chute provided in the cavity 19, the end of the slider 93 away from the sliding chute is in rotational connection with the connecting rod 92, and the end of the connecting rod 92 away from the slider 93 is in rotational connection with the supporting plate 91.

In the above embodiment, the third motor 95 is started, the driving screw 94 rotates, so that the sliding block 93 slides along the sliding groove under the constraint of the sliding groove formed in the cavity 19, and the driving connecting rod 92 pushes the supporting plate 91 to move upwards, at this time, the fixing seat 66, the bottom plate 74 and the supporting column 3 fixedly connected to the supporting plate 91 move upwards synchronously, so that the supporting column 3 is supported on the main shaft 15 in a supporting manner, the bottom plate 74 drives the second motor 65 to move upwards, so that the guide block 63 moves into the guide groove 62, at the same time, the bottom plate 74 moves upwards until the second protruding block 75 is in friction contact with the first protruding block 73, and at this time, the first spring 71 is compressed. Turning off the third motor 95 and starting the second motor 65, referring to fig. 5, the swing rod 64 rotates to drive the guide block 63 to slide along the guide groove 62, so that the guide rod 61 drives the frame 11 to swing around the main shaft 15, the gearbox 5 tilts, during the swinging process, the first bump 73 and the second bump 75 are in friction contact, so that the top plate 4 simulates jolt generated by road conditions, and the gearbox 5 is also felt jolt while being tilted, so as to test performance changes of the gearbox 5 for bad road conditions during driving of an automobile, and the obtained test data also provide data support for subsequently improving the gearbox 5.

In some embodiments, the end of the frame 11 adjacent the gearbox 5 is provided with a recess 17, and when the gearbox 5 is in the jolt position, the top plate 4 is slidably connected within the recess 17, the recess 17 being used to guide the movement of the top plate 4 such that the top plate 4 moves steadily relative to the frame 11 in the jolt position.

With continued reference to fig. 4, 5 and 8, in some embodiments, an insert 18 is disposed at an end of the support column 3 away from the base 1, and a slot 16 is disposed on the spindle 15 opposite to the insert 18, when the gearbox 5 is located at a jolt position, the insert 18 is inserted into the slot 16 to support and fix the spindle 15, and when the gearbox 5 is located at a shake position, the insert 18 is disposed at a distance from the slot 16. When the gearbox 5 is located at the jolt position, the spindle 15 is effectively prevented from rotating through the cooperation of the insert block 18 and the slot 16, and the second spring 13 is in a stretching state, so that the direction of the acting force applied to the spindle 15 by the second spring 13 is opposite to the direction of the acting force applied to the spindle 15 by the support column 3, the more stable support of the spindle 15 is ensured, the more stable tilting of the frame 11 around the spindle 15 is also facilitated, and the balanced stable test of the gearbox 5 is ensured.

In other embodiments, the lifting mechanism 9 may also be a hydraulic lifting device, which is not limited herein.

In the above embodiment, the first motor 84 may be started by a worker, the first motor 84 drives the rotating shaft 81 to rotate, so that the spiral plate 83 on the rotating shaft 81 rotates synchronously, wherein the rotation angle of the spiral plate 83 is greater than 90 ° and the rotation angle of the spiral plate 83 is less than 360 °, so that the intermittent transmission of the spindle 15 and the spiral plate 83 is performed, and the rotation angle of the spiral plate 83 may be, for example, 100 °, 150 °, 180 ° or 350 °, so as to achieve intermittent transmission of the spindle 15 and the spiral plate 83, and the worker may select according to the intermittent transmission frequency, so as to better simulate the frequency of the vibration suffered by the gearbox 5, which is not limited herein. When the main shaft 15 and the spiral plate 83 are in contact transmission, the main shaft 15 moves upwards along the limit groove 14, so that the fourth lug 82 is in intermittent friction interference with the third lug 20, the frame 11 is oscillated in the upwards moving process, when the main shaft 15 and the spiral plate 83 are in contact transmission, the main shaft 15 moves downwards along the limit groove 14 after crossing the highest point of the spiral plate 83, under the self weight of the frame 11 and the gearbox 5, the gearbox 5 is rapidly moved downwards, the gearbox 5 is subjected to severe oscillation, and under the deformation buffering of the second spring 13 from tension to compression, the main shaft 15 and the bottom end of the limit groove 14 are prevented from rigid collision, and the use safety of the main shaft 15 is ensured. The transmission process is repeated, and when the simulated automobile runs on the bad road surface condition, the gearbox 5 is subjected to frequent and severe vibration, so that the dynamic balance test of the gearbox 5 is realized.

Referring to fig. 2, 4, 6 and 7, in some embodiments, the road surface condition balance test stand for driving an automobile provided by the present invention further includes a limiting mechanism 10, where the limiting mechanism 10 includes a clamping post 105, a clamping groove 106 and a limiting block 102, the clamping post 105 is fixedly connected with a riser 103, one end of the riser 103 away from the clamping post 105 is slidably connected with the base 1, and one side of the riser 103 along the sliding direction with the base 1 is fixedly connected with a third spring 104, the other end of the third spring 104 is fixedly connected with the base 1, one end of the riser 103 opposite to the supporting column 3 is fixedly connected with the limiting block 102, the limiting block 102 is slidably connected in a limiting rail 101 provided on the supporting column 3, the limiting rail 101 is obliquely arranged, the highest point of the limiting rail 101 is provided near the frame 11, and the lowest point of the limiting rail 101 is provided away from the frame 11.

A clamping groove 106 is formed in one side, close to the vertical plate 103, of the frame 11, the clamping groove 106 is in sliding fit with the clamping column 105, and the arrangement direction of the clamping groove 106 is parallel to the movement track of the support column 3;

when the gearbox 5 is in the vibration position, the limiting block 102 is located at one end of the limiting guide rail 101, which is close to the frame 11, and the clamping post 105 is inserted into the clamping groove 106 and is in sliding connection with the clamping groove 106, and when the gearbox 5 is in the jolt position, the limiting block 102 is located at one end of the limiting guide rail 101, which is far away from the frame 11, and the clamping post 105 and the clamping groove 106 are arranged at intervals.

In the above embodiment, when the gearbox 5 is located at the oscillation position, under the action of the third spring 104, the riser 103 drives the clamping post 105 to move towards the clamping groove 106, so that the clamping post 105 is slidably connected in the clamping groove 106, and is used for guiding the frame 11 when being located at the oscillation position. Through the limit constraint of the clamping column 105 and the clamping groove 106, the frame 11 stably reciprocates up and down along with the main shaft 15 when in the vibration position, the constraint frame 11 cannot deflect around the main shaft 15, and the balance of vibration amplitude of the gearbox 5 is ensured. When the gearbox 5 is located at the jolt position, when the support column 3 moves upwards along with the lifting mechanism 9, the support column 3 is restrained by the limit guide rail 101 and the limit block 102 in a transmission mode, so that the vertical plate 103 moves in a direction away from the frame 11, and the clamping columns 105 and the clamping grooves 106 are arranged at intervals. So that the gear box 5 is in the jolt position, the restraint of the clamping groove 106 and the clamping post 105 is ended, and the frame 11 can deflect around the main shaft 15, so that the gear box 5 is stably inclined and jolt in the jolt position.

For example, the third spring 104 and the clamping post 105 are installed on the same side of the riser 103, as shown in fig. 7, when the limiting mechanism 10 is located at the jolt position, the third spring 104 is in a stretched state, the acting force of the third spring 104 is a stretching elastic force, as shown in fig. 6, when the limiting mechanism 10 is located at the oscillation position, by means of the restoring action of the stretching elastic force of the third spring 104, the riser 103 drives the clamping post 105 to move towards the clamping groove 106, so that the clamping post 105 is slidably connected in the clamping groove 106.

In another exemplary embodiment, the third springs 104 and the clamping columns 105 are respectively installed on two sides of the vertical plate 103, at this time, when the limiting mechanism 10 is located at the jolt position, the third springs 104 are in a compressed state, the acting force of the third springs 104 is a compression elastic force, and when the limiting mechanism 10 is located at the shake position, by means of the restoring action of the compression elastic force of the third springs 104, the vertical plate 103 drives the clamping columns 105 to move towards the clamping grooves 106, so that the clamping columns 105 are slidably connected in the clamping grooves 106. The specific installation position of the third spring 104 is not limited here.

Working principle: according to the road surface condition balance test stand for automobile driving, when the gearbox 5 is located at the bumping position, the lifting mechanism 9 drives the support column 3, the fixed seat 66 and the bottom plate 74 to synchronously move upwards, so that the support column 3 is abutted against the support main shaft 15, the second spring 13 is stretched, the guide block 63 moves into the guide groove 62, the second lug 75 on the bottom plate 74 is in friction and abutting against the first lug 73 on the scraper 72, at the moment, the limiting mechanism 10 is driven by the support column 3, the clamping column 105 and the clamping groove 106 are arranged at intervals, the second motor 65 is started, the guide block 63 slides along the guide groove 62, the transmission guide rod 61 synchronously drives the frame 11 to rotate around the main shaft 15, and in the rotating process, the second lug 75 is abutted against the first lug 73, so that the gearbox 5 is tilted, and bumping is generated, and the situation that the gearbox 5 is subjected to the road surface condition in the automobile driving process is better simulated; when the gearbox 5 is located at the oscillation position, the supporting column 3, the fixing seat 66 and the bottom plate 74 are driven to move downwards synchronously through the lifting mechanism 9, so that the supporting column 3 and the main shaft 15 are arranged at intervals, the guide block 63 and the guide rod 61 are arranged at intervals, the first protruding block 73 and the second protruding block 75 are arranged at intervals, at the moment, when the supporting column 3 moves downwards, the vertical plate 103 is driven by the limiting block 102 to be in sliding connection with the base 1, the driving clamping column 105 moves towards the direction of the clamping groove 106, the clamping column 105 is driven by the driving clamping column 105 to be in sliding connection with the clamping groove 106, the frame 11 at the oscillation position is used for guiding, at the moment, the first motor 84 in the oscillation mechanism 8 is started, the spiral plate 83 is driven by the rotating shaft 81, intermittent driving of the main shaft 15 and the spiral plate 83 is realized, and when the main shaft 15 and the spiral plate 83 are driven, the main shaft 15 and the spiral plate 83 are in transmission, under the constraint of the limiting groove 14, the frame 11 is driven to move downwards rapidly, and under the inertia of the limiting groove 14, the intermittent driving condition of the main shaft 15 and the spiral plate 83 are also used for simulating the situation that the dynamic performance of the gearbox 5 is more accurately to be in the driving condition, and the situation of the situation is improved, and the situation is better to be found, the running condition, and the running condition is realized, and the test is realized.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. The road surface condition balance test bench for automobile driving is characterized by comprising a base (1), a frame (11) and a gearbox (5), wherein a main shaft (15) is rotationally connected to the side end of the frame (11), the gearbox (5) is fixedly arranged on a top plate (4), a side rod (21) is fixedly connected to one end, far away from the gearbox (5), of the top plate (4), the side rod (21) penetrates through the frame (11) and is in sliding connection with the frame (11), and the balance test bench further comprises a swinging mechanism (6) and a bumping mechanism (7);

the swing mechanism (6) comprises a guide rod (61), a swing rod (64) and a second motor (65), the second motor (65) is fixedly arranged in a fixed seat (66), the output shaft end of the second motor (65) is fixedly connected with the swing rod (64), one end, far away from the second motor (65), of the swing rod (64) is fixedly connected with a guide block (63), two ends of the guide rod (61) are fixedly connected onto a frame (11), a guide groove (62) is formed in one side, facing the swing rod (64), of the guide rod (61), and the guide groove (62) is in sliding fit with the guide block (63);

the jolt mechanism (7) comprises a first spring (71), a scraper blade (72), a first lug (73), a bottom plate (74) and a second lug (75), wherein the scraper blade (72) is fixedly connected with one end of a side rod (21) far away from the top plate (4), the side rod (21) between the scraper blade (72) and the frame (11) is sleeved with the first spring (71), one end of the first spring (71) is fixedly connected with the scraper blade (72), the other end of the first spring (71) is fixedly connected with the frame (11), a connecting arc surface of one end of the scraper blade (72) far away from the first spring (71) is rotationally connected with a rotating arc surface of the bottom plate (74), the circle center positions of the connecting arc surface and the rotating arc surface are the same as the circle center positions of the main shaft (15), a plurality of first lugs (73) which are arranged at intervals are arranged on the connecting arc surface, a plurality of second lugs (75) which are arranged at intervals are arranged on the rotating arc surface, and the first lugs (73) are in friction and the second lugs (75) which are in friction and conflict with the second lugs (75).

When the gearbox (5) is located at a jolt position, a second motor (65) in the swinging mechanism (6) is used for driving the swinging rod (64) to rotate, the guide block (63) is in sliding connection with the guide groove (62), the first protruding block (73) is in friction interference with the second protruding block (75), and the frame (11) rotates around the main shaft (15) to enable the gearbox (5) to be subjected to jolt action.

2. The road surface condition balance test stand for automobile driving according to claim 1, characterized in that one end of the main shaft (15) far away from the frame (11) penetrates through the limit column (12), the main shaft (15) is slidably connected in a limit groove (14) formed in the limit column (12), the limit column (12) is fixedly arranged on the base (1), one end of the second spring (13) is fixedly connected at the side end of the main shaft (15) slidably connected in the limit groove (14), the other end of the second spring (13) is fixedly connected on the limit column (12), and the balance test stand further comprises a lifting mechanism (9) and an oscillating mechanism (8);

the lifting mechanism (9) is installed in the cavity (19), the cavity (19) is formed in the base (1), the lifting mechanism (9) comprises a supporting plate (91) and an adjusting component, the supporting plate (91) is in sliding connection with the cavity (19), a bottom plate (74) and a fixing seat (66) are fixedly installed on the supporting plate (91), one end, far away from the second motor (65), of the fixing seat (66) penetrates into the cavity (19), one end, far away from the scraper (72), of the bottom plate (74) penetrates into the cavity (19), the bottom plate (74) and the fixing seat (66) are respectively in sliding connection with the base (1), the supporting plate (91) is connected with the adjusting component, the adjusting component is installed in the cavity (19) and used for adjusting the position of the supporting plate (91) in the cavity (19), the supporting plate (91) is also connected with the oscillating mechanism (8) through the connecting component, the connecting component comprises a supporting column (3), one end of the supporting column (3) is installed on the supporting plate (91), and the other end of the supporting column (3) is used for limiting circumferential rotation of the main shaft (15);

the vibration mechanism (8) comprises a first motor (84), a spiral plate (83) and a fourth lug (82), wherein the output end of the first motor (84) is in transmission connection with a rotating shaft (81), the spiral plate (83) is fixedly connected to the rotating shaft (81), the other end of the rotating shaft (81) is rotationally connected to a support (2), the support (2) is fixedly arranged on a base (1), the fourth lug (82) is fixedly arranged on the spiral plate (83), a third lug (20) is further arranged on the circumferential surface of one end, far away from the frame (11), of the main shaft (15), the main shaft (15) is matched with the vibration connection surface of the spiral plate (83), the fourth lug (82) is in interference fit with the third lug (20), when the gearbox (5) is in a vibration position, the fourth lug (82) is in intermittent friction interference with the third lug (20), and when the gearbox (5) is in a vibration position, the fourth lug (82) is arranged at intervals with the third lug (20);

when the supporting plate (91) is at an initial position, the guide blocks (63) and the guide grooves (62) are arranged at intervals, the main shaft (15) and the supporting columns (3) are arranged at intervals, the first convex blocks (73) and the second convex blocks (75) are arranged at intervals, the gearbox (5) is at an oscillating position, the main shaft (15) drives the frame (11) to reciprocate in a linear mode along the arrangement direction of the limiting grooves (14) through intermittent transmission of the main shaft (15) and the spiral plates (83), and intermittent friction and interference of the third convex blocks (20) and the fourth convex blocks (82) are realized, so that the gearbox (5) is subjected to the oscillating action; when the adjusting component drives the supporting plate (91) to move towards the frame (11) to the direction that the guide block (63) is in sliding connection with the guide groove (62), and the support column (3) limits the circumferential rotation of the main shaft (15), the gearbox (5) is in a jolt position.

3. The pavement condition balance test stand for automobile driving according to claim 2, wherein the adjusting assembly comprises a third motor (95), a screw rod (94), a sliding block (93) and a connecting rod (92), the third motor (95) is installed in the cavity (19), the screw rod (94) is connected to the transmission of the output shaft end of the third motor (95), the screw rod (94) is rotationally connected with the base (1), the sliding block (93) is in threaded connection with the screw rod (94), the sliding block (93) is in sliding connection with a sliding groove formed in the cavity (19), the end portion, far away from the sliding groove, of the sliding block (93) is rotationally connected with the connecting rod (92), and one end, far away from the sliding block (93), of the connecting rod (92) is rotationally connected with the supporting plate (91).

4. A road surface condition balance test stand for automobile driving according to claim 3, characterized in that the rotation angle of the spiral plate (83) is more than 90 ° and the rotation angle of the spiral plate (83) is less than 360 °.

5. The road surface condition balance test board for automobile driving according to claim 3, characterized in that the balance test board further comprises a limiting mechanism (10), the limiting mechanism (10) comprises a clamping column (105), a clamping groove (106) and a limiting block (102), the clamping column (105) is fixedly connected with a vertical plate (103), one end of the vertical plate (103) away from the clamping column (105) is slidably connected with the base (1), a third spring (104) is fixedly connected to one side of the vertical plate (103) along the sliding direction with the base (1), the other end of the third spring (104) is fixedly connected to the base (1), the vertical plate (103) is directly opposite to one end of the supporting column (3) and fixedly connected with the limiting block (102), the limiting block (102) is slidably connected in a limiting guide rail (101) arranged on the supporting column (3), the highest point of the limiting guide rail (101) is arranged close to the frame (11), and the lowest point of the limiting guide rail (101) is arranged away from the frame (11).

6. The pavement condition balance test stand for automobile driving according to claim 5, wherein a clamping groove (106) is further formed in one side, close to the vertical plate (103), of the frame (11), the clamping groove (106) is in sliding fit with the clamping column (105), and the arrangement direction of the clamping groove (106) is parallel to the movement track of the supporting column (3);

when the gearbox (5) is in a vibration position, the limiting block (102) is located at one end, close to the frame (11), of the limiting guide rail (101), the clamping column (105) is inserted into the clamping groove (106) and is in sliding connection with the clamping groove (106), and when the gearbox (5) is in a jolt position, the limiting block (102) is located at one end, far away from the frame (11), of the limiting guide rail (101), and the clamping column (105) and the clamping groove (106) are arranged at intervals.

7. The road surface condition balance test board for automobile driving according to claim 2, wherein an insert block (18) is arranged at one end of the support column (3) far away from the base (1), an insert groove (16) is formed in a position, opposite to the insert block (18), of the main shaft (15), when the gearbox (5) is located at a jolt position, the insert block (18) is inserted into the insert groove (16) to support and fix the main shaft (15), and when the gearbox (5) is located at an oscillation position, the insert block (18) and the insert groove (16) are arranged at intervals.

8. The road surface condition balance test stand for automobile driving according to claim 1, characterized in that a groove (17) is formed in one end of the frame (11) close to the gearbox (5), when the gearbox (5) is located at a jolt position, the top plate (4) is slidingly connected in the groove (17), and the groove (17) is used for guiding the movement of the top plate (4).