Automobile shock absorber ware performance detection device
Technical Field
The invention relates to the technical field of shock absorber testing, in particular to a device for detecting the performance of an automobile shock absorber.
Background
Automobile shock absorber ware is used for slowing down the rotation of shock attenuation in-process spring elastic potential energy to kinetic energy, thereby can play the phenomenon that prevents follow-up continuous vibrations after the spring buffering, it is excessive to prevent the automobile body shake, the detection of the flexible degree that the shock absorber can be especially important, be the important index that detects its intensity, detect through the telescoping device among the prior art, let the different flexible degree test of shock absorber promptly, whether can bear flexible change degree with detecting it, but this kind of detection mode can not better simulate out the motion pattern of shock absorber when the automobile body shock attenuation, flexible degree during the shock attenuation, the direction of force application is all comparatively various, and the telescoping device only can make the shock absorber follow a direction and stretch out and draw back the detection, comprehensive not enough.
Disclosure of Invention
The invention aims to solve the defects in the background art and provides a performance detection device for an automobile shock absorber.
In order to achieve the purpose, the invention adopts the technical scheme that: a performance detection device for an automobile shock absorber comprises a workbench and a plurality of supporting legs fixedly installed on the lower end face, wherein a base plate is fixedly installed on the upper end face of the workbench, a motor is slidably installed at a position, close to one side, of the upper end face of the base plate, a threaded rod is fixedly connected to a driving shaft of the motor, a rotating disc is vertically connected to one end of the threaded rod, the threaded rod and the rotating disc are coaxially arranged, a driving rod extending in an inclined mode is installed on one side, away from the threaded rod, of the rotating disc through a detachable structure, the vertical distance from the middle shaft of the driving rod to the middle shaft of the rotating disc is gradually increased towards one side direction away from the rotating disc, a fixing frame is fixedly installed at a position, close to the threaded rod, of the upper end face of the workbench, a top frame is installed on a position, close to the rear end edge, of the upper end face of the workbench through a threaded sleeve in threaded fit, the lower terminal surface of roof-rack is provided with the last connecting piece for swing joint bumper shock absorber upper end, the surface sliding sleeve of actuating lever is equipped with the lower connecting piece with bumper shock absorber lower extreme swing joint, the steady ring that slides with the motor synchronization is connected through drive mechanism in one side that the motor was kept away from to the up end of backing plate, just the one end activity of actuating lever stretches into the inboard of steady ring.
Preferably, the upper end face of the backing plate is fixedly provided with a fixing plate, the upper end face of the fixing plate is provided with a sliding table, the two sides of the sliding table are clamped on the two sides of the sliding table in a sliding mode, the motor is fixedly arranged on the upper end face of the sliding table, and the motor and the backing plate are slidably arranged between the sliding table and the fixing plate.
Preferably, the transmission mechanism comprises a transmission rod fixedly connected to the outer surface of one side of the sliding table, one end of the transmission rod is fixedly connected with a sliding frame through a reinforcing block, two sides of the sliding frame are bent and slide on the inner side of the sliding rail, and the upper end face of the sliding frame is fixedly connected with the lower end of the stabilizing ring.
Preferably, the connecting piece includes the cover seat, rotates and installs at the inboard just slip cap of cover seat and establish at the inner ring of actuating lever surface, fixed mounting at the connecting plate of cover seat up end, the fixing base that extends perpendicularly from the connecting plate, slidable mounting are close to the sliding seat of fixing base one side at the connecting plate up end, the fixing base has passed first bolt jointly with the inboard of sliding seat, the surface screw-thread fit cover of first bolt is equipped with first nut, the slider is extended to the lower terminal surface of sliding seat, the cross-section of slider is the L type, slider slip card goes into the up end of connecting plate.
Preferably, the outer surface of the inner ring and the corresponding position of the inner wall of the sleeve seat are respectively provided with an inner track, a plurality of inner balls are clamped into the inner side of the inner track, and the number of the inner tracks is two.
Preferably, the detachable structure comprises a mounting disc extending from one end of the driving rod close to the rotating disc, and a mounting bolt inserted into the outer surface of the mounting disc, wherein the mounting disc and the rotating disc are fixedly mounted through the mounting bolt.
Preferably, the upper connecting piece comprises two parallel limiting seats vertically extending from the lower end face of the top frame, a second bolt movably penetrates through the inner sides of the two limiting seats, and a second nut is sleeved on the outer surface of the second bolt in a threaded fit manner.
Preferably, one side of the stable ring, which is close to the driving rod on one side, is provided with a groove, one end of the driving rod extends into the inner side of the groove and is movably embedded with a contact ball, and the outer surface of the contact ball is movably contacted with the inner wall of the groove.
Preferably, the lifting mechanism comprises a telescopic column fixedly mounted on the upper end surface of the workbench, the telescopic end of the telescopic column is fixedly connected with the lower end surface of the top frame, two groups of reinforcing plates extend from the lower end surface of the top frame, and the two groups of reinforcing plates are respectively arranged on the front end surface and the rear end surface of the telescopic column.
Compared with the prior art, the invention has the following beneficial effects:
1. main beneficial effect, with the ring portion of the last lower extreme of bumper shock absorber movable sleeve respectively in the outside of second bolt and first bolt, the cover that the cover needs to ensure ring portion when establishing establishes comparatively not hard up, will drive the rolling disc when motor drive threaded rod rotates and rotate, when the actuating lever rotates, will drag or extrude the lower extreme of bumper shock absorber, when the actuating lever uses the rolling disc axis to rotate as the axle simultaneously, will constantly change dragging or extruded direction to the bumper shock absorber to reach the effect of comprehensive detection.
2. In the in-process that detects, the rotation of threaded rod, the effect of cooperation threaded sleeve and mount, the motor slides towards one side of keeping away from the mount with the sliding stand, and then make the common translation of actuating lever, establish under the effect at the slip cap of inner ring, relatively speaking, the lower extreme department of whole bumper shock absorber slides to one side of keeping away from the mount along the surface of actuating lever, at this moment, when the actuating lever rotates, make the rotation range of bumper shock absorber lower extreme department obviously increase, consequently the device can progressively increase the flexible degree of bumper shock absorber in the test, it is more comprehensive to detect.
3. Under the effect of stationary ring, guarantee the stationary degree when the actuating lever tip rotates, the contact ball effectively reduces the friction, and when motor and sliding stand slided, with the help of the combined action of transfer line and carriage for the common translation of stationary ring, in order to ensure that the one end of actuating lever stretches into the inboard of stationary ring all the time, because the effect of stationary ring, prevent that the actuating lever from causing the phenomenon of test track skew to take place because of self shake in the testing process, be favorable to going on of stationary detection.
4. Because the cover seat, the inner ring, first bolt, the effect of second bolt, the not hard up cover of tip of bumper shock absorber is in first bolt, the outside of second bolt, consequently can prevent that the junction from excessively restricting and causing the phenomenon of bumper shock absorber end connection department direct damage to take place, the inner ring can be level and smooth along the surface of actuating lever, the cover seat can independently rotate for the inner ring, and then can drag or extrude the lower extreme department of bumper shock absorber when drive test in-process actuating lever rotates, ensure the normal clear of detection.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for testing the performance of a shock absorber of an automobile according to the present invention;
FIG. 2 is a schematic view of a partial structure of an apparatus for testing the performance of a shock absorber of an automobile according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 illustrating the apparatus for testing the performance of the shock absorber of the vehicle according to the present invention;
FIG. 4 is a schematic view of another perspective of the partial structure of the apparatus for testing the performance of the shock absorber of the vehicle according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4 of the apparatus for testing the performance of a shock absorber of an automobile according to the present invention;
FIG. 6 is a schematic diagram of an automobile shock absorber performance testing apparatus after installation of a shock absorber.
In the figure: 1. a work table; 2. a base plate; 3. a sliding table; 4. a fixing plate; 5. a motor; 6. a threaded rod; 7. a fixed mount; 8. a threaded sleeve; 9. rotating the disc; 10. a drive rod; 11. mounting a disc; 12. installing a bolt; 13. a stationary ring; 14. a carriage; 15. a slide rail; 16. a reinforcing block; 17. a transmission rod; 18. a sleeve seat; 19. an inner ring; 20. an inner rail; 21. an inner ball; 22. a connecting plate; 23. a fixed seat; 24. a movable seat; 25. a slider; 26. a first bolt; 27. a first nut; 28. a telescopic column; 29. a top frame; 30. a reinforcing plate; 31. a limiting seat; 32. a second bolt; 33. a second nut; 34. contacting the ball; 35. supporting legs; 36. a shock absorber.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in figures 1-6, the performance testing device for the automobile shock absorber comprises a workbench 1 and a plurality of supporting legs 35 fixedly installed on the lower end surface, a backing plate 2 is fixedly installed on the upper end surface of the workbench 1, a motor 5 is slidably installed on the upper end surface of the backing plate 2 close to one side, a threaded rod 6 is fixedly connected to a driving shaft of the motor 5, a rotating disc 9 is vertically connected to one end of the threaded rod 6, the threaded rod 6 and the rotating disc 9 are coaxially arranged, a driving rod 10 extending obliquely is installed on one side of the rotating disc 9 far away from the threaded rod 6 through a detachable structure, the vertical distance from the center axis of the driving rod 10 to the center axis of the rotating disc 9 is gradually increased towards one side far away from the rotating disc 9, a fixed frame 7 is fixedly installed on the upper end surface of the workbench 1 close to the threaded rod 6, the threaded rod 6 is in threaded fit with the fixed frame 7 through a threaded sleeve 8, a top frame 29 is installed on the edge of the upper end surface of the workbench 1 close to the rear end through a lifting mechanism, the lower terminal surface of roof-rack 29 is provided with the last connecting piece for swing joint bumper shock absorber 36 upper end, and the surface slip cover of actuating lever 10 is equipped with the lower connecting piece with bumper shock absorber 36 lower extreme swing joint, and the steady ring 13 that slides in step with motor 5 is connected through drive mechanism to the one side that motor 5 was kept away from to the up end of backing plate 2, and the one end activity of actuating lever 10 stretches into the inboard of steady ring 13.
Fixed plate 4 is installed to the up end fixed mounting of backing plate 2, and the sliding stand 3 of both sides border sliding card in its both sides is installed to the up end of fixed plate 4, and motor 5 fixed mounting is in the up end of sliding stand 3, through sliding mounting between sliding stand 3 and the fixed plate 4 between motor 5 and the backing plate 2, and horizontal slip can take place for motor 5.
The transmission mechanism comprises a transmission rod 17 fixedly connected to the outer surface of one side of the sliding table 3, one end of the transmission rod 17 is fixedly connected with a sliding frame 14 through a reinforcing block 16, two sides of the sliding frame 14 are bent and slide on the inner side of a sliding rail 15, the upper end face of the sliding frame 14 is fixedly connected with the lower end of the stabilizing ring 13, the stabilizing of the stabilizing ring 13 is ensured, and the transmission mechanism and the stabilizing ring 13 can translate together in the process of being driven by the motor 5 under the linkage effect of the transmission rod 17.
The lower connecting piece comprises a sleeve seat 18, an inner ring 19 which is rotatably arranged on the inner side of the sleeve seat 18 and is sleeved on the outer surface of the driving rod 10 in a sliding manner, a connecting plate 22 fixedly arranged on the upper end surface of the sleeve seat 18, a fixed seat 23 vertically extending from the connecting plate 22, and a movable seat 24 slidably arranged on one side, close to the fixed seat 23, of the upper end surface of the connecting plate 22, wherein a first bolt 26 jointly penetrates through the inner sides of the fixed seat 23 and the movable seat 24, a first nut 27 is sleeved on the outer surface of the first bolt 26 in a threaded manner, a sliding block 25 extends out of the lower end surface of the movable seat 24, the section of the sliding block 25 is L-shaped, the sliding block 25 is slidably clamped into the upper end surface of the connecting plate 22 to ensure that the movable seat 24 can slide, when the first nut 27 is rewarded, the distance between the movable seat 24 and the fixed seat 23 can be flexibly adjusted, so as to ensure that the ring part of the lower end of the shock absorber 36 sleeved on the first bolt 26 is not limited to be dead, and the detection cannot be performed.
Inner rail 20 has been seted up respectively with the corresponding position of cover seat 18 inner wall to the surface of inner ring 19, and the inboard card of inner rail 20 has gone into a plurality of interior ball 21, and the quantity of inner rail 20 is seted up to two to ensure that can rotate relatively between inner ring 19 and the cover seat 18, and then make actuating lever 10 can drag or extrude the lower extreme department of bumper shock absorber 36 when rotating.
The detachable structure includes that the mounting disc 11 that extends from the one end that actuating lever 10 is close to rolling disc 9 inserts the construction bolt 12 of 11 surfaces of mounting disc, through construction bolt 12 fixed mounting between mounting disc 11 and the rolling disc 9, can take off actuating lever 10 after screwing down construction bolt 12 to later stage is changed.
Go up the connecting piece including from the perpendicular spacing seat 31 that extends of two mutual parallels of terminal surface under the roof-rack 29, the inboard activity of two spacing seats 31 has passed second bolt 32, the surface screw-thread fit cover of second bolt 32 is equipped with second nut 33, screw down second nut 33 in advance makes second bolt 32 take off the back, stretch into between two spacing seats 31 with the ring portion of bumper shock absorber 36 upper end, pass second bolt 32 once more and spin up second nut 33 can, the installation in the testing process is convenient.
One side that steady ring 13 is close to one side actuating lever 10 has seted up the recess, and the one end of actuating lever 10 stretches into the inboard of recess and the activity embedding has contact ball 34, and movable contact between the surface of contact ball 34 and the inner wall of recess reduces the friction, and actuating lever 10 tip fragile when avoiding detecting.
The lifting mechanism comprises a telescopic column 28 fixedly mounted on the upper end face of the workbench 1, the telescopic end of the telescopic column 28 is fixedly connected with the lower end face of the top frame 29, two groups of reinforcing plates 30 extend out of the lower end face of the top frame 29, and the two groups of reinforcing plates 30 are respectively arranged on the front end face and the rear end face of the telescopic column 28, so that the effect of further maintaining stability is achieved, and the phenomenon that the connection between the telescopic column 28 and the top frame 29 is damaged when the acting force of the top frame 29 is pulled to be too large is prevented.
When the shock absorber 36 is used, the ring parts of the upper end and the lower end of the shock absorber 36 are respectively movably sleeved on the outer sides of the second bolt 32 and the first bolt 26 by a user, when the ring parts are sleeved, the sleeved arrangement of the ring parts needs to be ensured to be relatively loose, when the motor 5 drives the threaded rod 6 to rotate, the rotating disc 9 can be driven to rotate, when the driving rod 10 rotates, the lower end of the shock absorber 36 can be pulled or extruded, and when the driving rod 10 rotates by taking the central shaft of the rotating disc 9 as the shaft, the pulling or extruding direction of the shock absorber 36 can be continuously changed, so that the comprehensive detection effect is achieved, due to the effects of the sleeve seat 18, the inner ring 19, the first bolt 26 and the second bolt 32, the end part of the shock absorber 36 is loosely sleeved on the outer sides of the first bolt 26 and the second bolt 32, so that the phenomenon that the end part connection part of the shock absorber 36 is directly damaged due to over-limit can be prevented, and the inner ring 19 can smoothly follow the surface of the driving rod 10, the sleeve seat 18 can rotate independently relative to the inner ring 19, so that the lower end of the shock absorber 36 can be pulled or extruded when the driving rod 10 rotates in the driving test process, and normal detection is ensured. In the process that detects, the rotation of threaded rod 6, the effect of cooperation threaded sleeve 8 and mount 7, motor 5 slides towards the one side of keeping away from mount 7 with sliding stand 3, and then make the common translation of actuating lever 10, under the sliding sleeve of inner ring 19 established the effect, relatively speaking, the lower extreme department of whole bumper shock absorber 36 slides to the one side of keeping away from mount 7 along the surface of actuating lever 10, at this moment, when actuating lever 10 rotates, make the rotation range of bumper shock absorber 36 lower extreme department obviously increase, consequently, the device can progressively increase the flexible degree of bumper shock absorber 36 in the test, it is more comprehensive to detect. In the in-process that detects, under the effect of stationary ring 13, ensure the stationary degree when actuating lever 10 tip rotates, contact ball 34 effectively reduces the friction, and when motor 5 slided with sliding stand 3, with the help of the combined action of transfer line 17 and carriage 14, make stationary ring 13 translate jointly, in order to ensure that the one end of actuating lever 10 stretches into the inboard of stationary ring 13 all the time, because the effect of stationary ring 13, prevent that actuating lever 10 from causing the skew phenomenon of test track to take place because of self shake in the testing process, be favorable to going on of stationary detection.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.