CN115876613A - Impact test device for automobile control arm - Google Patents
Impact test device for automobile control arm Download PDFInfo
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- CN115876613A CN115876613A CN202211524669.1A CN202211524669A CN115876613A CN 115876613 A CN115876613 A CN 115876613A CN 202211524669 A CN202211524669 A CN 202211524669A CN 115876613 A CN115876613 A CN 115876613A
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- 238000009863 impact test Methods 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 238000009527 percussion Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The invention relates to the technical field of impact tests, in particular to an impact test device for an automobile control arm. The transmission mechanism comprises a base, wherein the top of the base is fixedly connected with a support frame, a transmission box is fixedly connected between the support frame and the base, the top of the base is symmetrically and fixedly connected with two guide rods, the two guide rods are jointly and slidably connected with a connecting frame, and the middle part of the connecting frame is detachably connected with an impact hammer through a clamping assembly; the invention has the beneficial effects that: the user only needs to adjust and fix height adjusting subassembly, promotes the subassembly up-and-down motion through the control, can carry out impact test repeatedly, and will fall automatically when the jump bit promotes to appointed height and strike the control arm, need not the user and pay attention to the height of jump bit all the time, guarantees that the jump bit of impact test at every turn all is in appointed height, improves the accuracy of experiment, also need not manual control and makes the jump bit whereabouts, the automation and the practicality of reinforcing apparatus.
Description
Technical Field
The invention relates to the technical field of impact tests, in particular to an impact test device for an automobile control arm.
Background
The automobile control arm is used as a guide and force transmission element of an automobile suspension system, transmits various forces acting on the wheel to an automobile body, ensures that the wheel moves according to a certain track, elastically connects the wheel and the automobile body together through a spherical hinge or a bush respectively, and has enough rigidity, strength and service life (including the bush and a ball head connected with the automobile control arm); therefore, in order to ensure the safety performance of the automobile, the control arm must be subjected to an impact performance test to verify the reliability of the control arm when the control arm is subjected to an impact.
Present impact test device need pay attention to the height of jump bit constantly when using, waits to reach the manual release jump bit again after the appointed height, and the operation is comparatively loaded down with trivial details, and there is certain error in the high impact at every turn, and the jump bit can be bounced after dropping to cause the secondary to strike the control arm, lead to the test result inaccurate.
Therefore, an impact testing device for a control arm of an automobile is needed to solve the above problems.
Disclosure of Invention
In order to solve the problems that the impact test device needs to pay attention to the height of the impact hammer all the time when in use, the impact hammer is manually released after the impact test device reaches the specified height, the operation is complicated, certain error exists in the impact height of each time, the impact hammer is bounced after falling down to cause secondary impact on a control arm, and the test result is inaccurate, the invention provides the automobile control arm impact test device.
The utility model provides an automobile control arm impact test device, includes the base, the top fixedly connected with support frame of base, fixedly connected with transmission box between support frame and the base, two guide bars of the top symmetry fixedly connected with of base, two common sliding connection has the link on the guide bar, the middle part of link can be dismantled through the centre gripping subassembly and be connected with the jump bit, the rear fixedly connected with of centre gripping subassembly can gliding first fixture block from top to bottom in the transmission box, there is the hoisting frame inside of transmission box through hoisting subassembly sliding connection, two horizontal poles of middle part fixedly connected with of hoisting frame, the inside sliding connection of hoisting frame has to follow the gliding riser of horizontal pole, the bottom fixedly connected with second fixture block of riser, the first spring of fixedly connected with between hoisting frame and the riser, the top fixedly connected with third fixture block of riser, the front of transmission box is equipped with the height adjustment subassembly, the inside fourth fixture block of transmission box is arranged in to the rear fixedly connected with of height adjustment subassembly, the control arm is installed at the top of base.
Above-mentioned automobile control arm impact test device, the cavity has been seted up in the left side of support frame, the inside of cavity is rotated and is connected with the pivot, the first driven gear of middle part fixedly connected with of pivot, the right side sliding connection of cavity have with the first rack of first driven gear engaged with, the fixed cover of top fixedly connected with of first rack, the inside sliding connection of fixed cover has the bayonet lock, fixedly connected with second spring between bayonet lock and the fixed cover, the bottom sliding connection of cavity has two second racks, two the common fixedly connected with arm-tie in left side of second rack, fixedly connected with and two in the pivot the second driven gear of second rack engaged with, the left side fixedly connected with cardboard of link.
Above-mentioned car control arm impact test device, perpendicular groove has been seted up on the left side of cavity, the left side of bayonet lock is rotated and is connected with can perpendicular inslot gliding pull rod, fixedly connected with lug on the pull rod.
The utility model provides an automobile control arm impact test device, the centre gripping subassembly includes the mounting box, mounting box fixed connection be in the middle part of link, the inside rotation of mounting box is connected with the change, the bottom fixedly connected with vortex track of change, the top fixedly connected with ring gear of change, a plurality of spouts, every have evenly been seted up to the bottom of mounting box the equal sliding connection in inside of spout has the grip block, every the equal fixedly connected with in top of grip block with the vortex track engaged with vortex rack, rotate on the mounting box be connected with the ring gear engaged with the pinion, the jump bit demountable installation is a plurality of between the grip block, first fixture block fixed connection be in on the mounting box.
Above-mentioned automobile control arm impact test device, the lifting unit includes driving motor and first threaded rod, driving motor fixed connection be in the top of support frame, first threaded rod rotates to be connected inside the transmission box, driving motor's power output shaft with the top of first threaded rod meshes mutually, the first thread piece of rear side fixedly connected with of hoisting frame, first thread piece threaded connection is in on the first threaded rod.
Above-mentioned automobile control arm impact test device, altitude mixture control subassembly includes the adjusting collar, two of the positive symmetry fixedly connected with founds the rail of transmission box, two a plurality of spacing grooves have evenly been seted up to the side of founding the rail, the equal sliding connection in the left and right sides of adjusting collar inside has the spacer pin, every equal fixedly connected with third spring between spacer pin and the adjusting collar, fourth fixture block fixed connection be in the rear of adjusting collar, the front of transmission box is equipped with the scale mark.
According to the automobile control arm impact test device, the two transverse grooves are symmetrically formed in the front face of the adjusting sleeve, and the driving lever capable of sliding along the transverse grooves on the same side is fixedly connected to the front face of each limiting pin.
Above-mentioned car control arm impact test device, the transmission chamber has been seted up to the inside of base, the inside fixedly connected with slide bar in transmission chamber, the inside rotation in transmission chamber is connected with the second threaded rod that runs through to base the place ahead, the top of base is equipped with the regulation box, the bottom fixedly connected with thread bush of regulation box, the thread bush with second threaded rod threaded connection, the sliding sleeve of cup jointing on the slide bar is connected to the bottom fixedly connected with of regulation box.
Above-mentioned car control arm impact test device, the inside of adjusting box rotates and is connected with the two-way lead screw that runs through adjusting box right side, the symmetry is equipped with two second thread blocks on the two-way lead screw, every the equal fixedly connected with layer board in top of second thread block.
The utility model provides an above-mentioned car control arm impact test device, every the equal fixedly connected with cushion in top of layer board, every the equal fixedly connected with fixing bolt in top of cushion, every all the cover is equipped with the gasket on the fixing bolt, every equal threaded connection has the nut on the fixing bolt, control arm demountable installation is two between the fixing bolt.
The invention has the beneficial effects that:
1. according to the invention, through the matching use of the lifting frame, the first clamping block, the second clamping block, the third clamping block, the fourth clamping block, the vertical plate and the first spring, a user only needs to adjust and fix the height adjusting component, the impact test can be repeatedly carried out by controlling the lifting component to move up and down, and when the impact hammer is lifted to a specified height, the automatic falling is carried out to impact the control arm, so that the user does not need to pay attention to the height of the impact hammer all the time, the impact hammer in each impact test is ensured to be at the specified height, the accuracy of the test is improved, the impact hammer does not need to be manually controlled to fall, and the automation and the practicability of the device are enhanced.
2. According to the invention, through the matched use of the first driven gear, the first rack, the fixed sleeve, the clamping pin, the second rack, the second driven gear and the clamping plate, in the falling process of the impact hammer, the clamping plate forces the clamping pin to automatically retract into the fixed sleeve, so that the impact hammer can smoothly perform impact test on the control arm; when the jump bit impacted the control arm and upwards taken place to kick-back, the right-hand member of two second racks will stretch out in the cavity voluntarily to carry out the joint to the cardboard, prevent that the jump bit from continuing downstream, effectively avoid the jump bit repetition to strike the control arm, guaranteed test data's accuracy, avoided leading to influencing the experimental result because of the secondary is strikeed.
3. According to the invention, through the matched use of the vertical groove, the pull rod, the bump and the handle, a user can conveniently pull the clamping pin into the fixed sleeve and fix the position of the clamping pin, so that the limit of the impact hammer in the upward direction is eliminated, the user does not need to pull the pull rod all the time, and the workload of the user is reduced; the user pulls in the cavity with the second rack through the handle to relieve the spacing to impact hammer downward direction, and make fixed cover resume to initial position, rotate the pull rod and make the bayonet lock resume to initial position, for preventing that secondary impact makes ready next time.
4. According to the invention, through the matched use of the rotary ring, the volute track, the toothed ring, the sliding groove, the clamping block, the volute rack and the toothed shaft, a user can clamp and fix the impact hammer only by rotating the toothed shaft, the operation is convenient and fast, the fixing effect is good, the impact hammers with different diameters can be clamped and fixed, and the applicability is strong.
5. According to the invention, through the matching use of the adjusting sleeve, the limiting groove, the limiting pin and the third spring, a user can conveniently adjust and fix the height of the fourth fixture block, the requirements of different heights of an impact test are met, and the applicability of the device is improved.
6. According to the invention, the position of the control arm is adjusted by arranging the first threaded rod and the threaded sleeve, so that the impact hammer can perform impact tests on different positions of the control arm; the distance between the two supporting plates is adjusted and fixed by arranging the two-way screw rod and the second threaded block, so that the device can support a long control arm, and the practicability of the device is improved; through setting up fixing bolt, gasket and nut, can prevent effectively that the control arm from bounceing among the impact test process, eliminate the potential safety hazard among the testing process, guarantee impact test's safety and go on.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the invention at A in FIG. 2;
FIG. 4 is a schematic diagram illustrating a third fixture block and a fourth fixture block of the present invention;
FIG. 5 is a schematic view of the second rack and the catch plate of the present invention;
FIG. 6 is a schematic view showing the internal structure of the cavity in the present invention;
fig. 7 is a schematic sectional view of the fixing cover of the present invention;
FIG. 8 is a schematic structural view of a second rack according to the present invention;
FIG. 9 is a schematic view of the position of the clamping assembly of the present invention;
FIG. 10 is a schematic view showing the internal structure of the mounting case of the present invention;
FIG. 11 is a schematic view of the engagement of the scroll-shaped track and the scroll-shaped rack in the present invention;
FIG. 12 is an enlarged view of the invention at B of FIG. 1;
FIG. 13 is a schematic cross-sectional view of a height adjustment assembly of the present invention;
FIG. 14 is a cross-sectional view of a base according to the present invention;
FIG. 15 is a schematic view of the position of the fixing bolt of the present invention;
fig. 16 is a schematic cross-sectional view of the lifting frame of the present invention.
In the figure:
1. a base; 2. a support frame; 3. a transmission box; 4. a guide bar; 5. a connecting frame; 6. an impact hammer; 7. a first clamping block; 8. a hoisting frame; 9. a cross bar; 10. a vertical plate; 11. a second fixture block; 12. a first spring; 13. a third fixture block; 14. a fourth fixture block; 15. a control arm; 16. a cavity; 17. a rotating shaft; 18. a first driven gear; 19. a first rack; 20. fixing a sleeve; 21. a bayonet lock; 22. a second spring; 23. a second rack; 24. pulling a plate; 25. a second driven gear; 26. clamping a plate; 27. a vertical slot; 28. a pull rod; 29. a bump; 30. mounting a box; 31. rotating the ring; 32. a scroll-like track; 33. a toothed ring; 34. a chute; 35. a clamping block; 36. a scroll rack; 37. a gear shaft; 38. a first threaded rod; 39. a first thread block; 40. an adjusting sleeve; 41. erecting a rail; 42. a limiting groove; 43. a spacing pin; 44. a third spring; 45. a transverse groove; 46. a deflector rod; 47. a transmission cavity; 48. a slide bar; 49. a second threaded rod; 50. an adjustment box; 51. a threaded sleeve; 52. a sliding sleeve; 53. a bidirectional screw rod; 54. a second thread block; 55. a support plate; 56. cushion blocks; 57. fixing the bolt; 58. a gasket; 59. a nut; 60. scale lines; 61. the motor is driven.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1-4, 9 and 16, the embodiment of the invention discloses an automobile control arm impact test device, which comprises a base 1, wherein a support frame 2 is fixedly connected to the top of the base 1, a transmission box 3 is fixedly connected between the support frame 2 and the base 1, two guide rods 4 are symmetrically and fixedly connected to the top of the base 1, a connecting frame 5 is commonly and slidably connected to the two guide rods 4, an impact hammer 6 is detachably connected to the middle of the connecting frame 5 through a clamping assembly, a first fixture block 7 capable of sliding up and down in the transmission box 3 is fixedly connected to the rear of the clamping assembly, a lifting frame 8 is slidably connected to the inside of the transmission box 3 through a lifting assembly, the lifting frame 8 can slide up and down in the transmission box 3, two cross rods 9 are fixedly connected to the middle of the lifting frame 8, a vertical plate 10 capable of sliding along the cross rods 9 is slidably connected to the inside of the lifting frame 8, a second fixture block 11 is fixedly connected to the bottom of the transmission box 10, a first spring 12 is fixedly connected between the lifting frame 8 and the vertical plate 10, a third fixture block 13 is fixedly connected to the top of the fixture block 10, a height adjusting assembly is provided with a height adjusting mechanism 14, a height adjusting mechanism of the fourth fixture block 14 and a height adjusting mechanism 14 is provided in the transmission box 14, and a height adjusting mechanism provided in the top of the transmission box 3, and a fourth mechanism 14 is provided in the base 1;
in the initial state, the first spring 12 pushes the vertical plate 10 to move forward to clamp the second clamping block 11 below the first clamping block 7, at this time, the lifting frame 8 can drive the clamping assembly to move up and down, the user adjusts and fixes the height of the fourth clamping block 14 through the height adjusting assembly according to the test requirement, the lifting assembly is controlled to drive the lifting frame 8 to move upward, at this time, the lifting frame 8 drives the clamping assembly to move upward along the guide rod 4 under the cooperation of the second clamping block 11 and the first clamping block 7, so that the impact hammer 6 moves upward, in the process that the lifting frame 8 drives the impact hammer 6 to move upward to the specified height, the fourth clamping block 14 extends into the lifting frame 8 through the through hole, the third fixture block 13 on the top of the vertical plate 10 is extruded, under the matching action of the two inclined surfaces of the fourth fixture block 14 and the third fixture block 13, the fourth fixture block 14 pushes the vertical plate 10 to slide backwards along the cross rod 9 through the third fixture block 13, so that the first fixture block 7 and the second fixture block 11 are gradually separated, when the lifting frame 8 rises to a specified height, the inclined surface of the fourth fixture block 14 is separated from the inclined surface of the third fixture block 13, the front end of the third fixture block 13 abuts against the rear end of the fourth fixture block 14, the first fixture block 7 and the second fixture block 11 are completely separated, the lifting frame 8 does not clamp the clamping component any longer, the clamping component falls downwards along the guide rod 4 along with the impact hammer 6, and the impact test is performed on the control arm 15;
when a test needs to be carried out again, a user drives the lifting frame 8 to move downwards through the lifting assembly, at the moment, the third clamping block 13 and the fourth clamping block 14 are separated, the first spring 12 pushes the vertical plate 10 to restore to an initial state, in the descending process of the lifting frame 8, the inclined surfaces of the first clamping block 7 and the second clamping block 11 are gradually contacted, at the moment, under the abutting action of the first clamping block 7, the second clamping block 11 slides backwards along with the vertical plate 10, when the second clamping block 11 continuously descends to the position below the first clamping block 7, the first clamping block 7 does not abut against the second clamping block 11 any more, at the moment, the first spring 12 pushes the vertical plate 10 to slide forwards, so that the second clamping block 11 is clamped below the first clamping block 7, at the moment, the user can lift the impact hammer 6 through the lifting assembly, and when the impact hammer 6 ascends to a specified height, the first clamping block 7 and the second clamping block 11 are separated again, so that the impact hammer 6 impacts the control arm 15 again;
through hoisting frame 8, first fixture block 7, second fixture block 11, third fixture block 13, fourth fixture block 14, riser 10 and first spring 12's cooperation is used, the user only needs to adjust and fix the altitude mixture control subassembly, through control hoisting subassembly up-and-down motion, can carry out impact test repeatedly, and will fall automatically and strike control arm 15 when percussion hammer 6 promotes to appointed height, need not the user and pay close attention to the height of percussion hammer 6 all the time, guarantee that at every turn impact test percussion hammer 6 all is in appointed height, improve the accuracy of experiment, also need not manual control and make percussion hammer 6 whereabouts, the automation and the practicality of reinforcing device.
As shown in fig. 5-9, a cavity 16 is formed in the left side of the supporting frame 2, a rotating shaft 17 is rotatably connected inside the cavity 16, a first driven gear 18 is fixedly connected to the middle of the rotating shaft 17, a first rack 19 meshed with the first driven gear 18 is slidably connected to the right side of the cavity 16, a fixing sleeve 20 is fixedly connected to the top of the first rack 19, a through groove is formed in the right side of the cavity 16, the fixing sleeve 20 can slide up and down in the through groove along with the first rack 19, a bayonet 21 is slidably connected inside the fixing sleeve 20, the top of the right end of the bayonet 21 is an inclined surface structure, a second spring 22 is fixedly connected between the bayonet 21 and the fixing sleeve 20, two second racks 23 are slidably connected to the bottom of the cavity 16, a pulling plate 24 is fixedly connected to the left sides of the two second racks 23 together, a second driven gear 25 meshed with the two second racks 23 is fixedly connected to the rotating shaft 17, and a clamping plate 26 is fixedly connected to the left side of the connecting frame 5;
in an initial state, the two second racks 23 are accommodated in the cavity 16, the first rack 19 is located at the lowest position, the fixing sleeve 20 is located at the bottom end of the through groove, the inclined surface of the right end of the bayonet 21 is located outside the fixing sleeve 20 under the thrust of the second spring 22, when the impact hammer 6 falls from a high position, the clamping plate 26 first contacts with the inclined surface of the bayonet 21 and forces the right end of the bayonet 21 to retract into the fixing sleeve 20, at the moment, the impact hammer 6 drives the clamping plate 26 to move downwards beyond the bayonet 21 continuously to perform an impact test on the control arm 15, and at the moment, under the thrust of the second spring 22, the right end of the bayonet 21 extends out of the fixing sleeve 20 again;
when the impact hammer 6 and the control arm 15 are impacted, the impact hammer 6 rebounds upwards, in the process of rebounding upwards of the impact hammer 6, the clamping plate 26 pushes the clamping pin 21 to move upwards, at the moment, the clamping pin 21 drives the first rack 19 to move upwards through the fixing sleeve 20, the first rack 19 drives the two second driven gears 25 to synchronously rotate through the first driven gear 18 and the rotating shaft 17, at the moment, the two second driven gears 25 drive the two second racks 23 to synchronously slide rightwards, so that the right ends of the two second racks 23 slide out of the cavity 16, when the impact hammer 6 pushes the clamping pin 21 to slide to the top end of the through groove, the impact hammer 6 falls down again, at the moment, the impact hammer 6 drives the clamping plate 26 to be clamped at the tops of the two second racks 23, and the impact hammer 6 is prevented from impacting the control arm 15 again;
through the matching use of the first driven gear 18, the first rack 19, the fixed sleeve 20, the bayonet 21, the second rack 23, the second driven gear 25 and the clamping plate 26, in the falling process of the impact hammer 6, the clamping plate 26 forces the bayonet 21 to automatically retract into the fixed sleeve 20, so that the impact hammer 6 can smoothly perform impact test on the control arm 15; when the jump bit 6 strikes the control arm 15 and upwards takes place to kick-back, the right-hand member of two second racks 23 will stretch out from cavity 16 automatically to carry out the joint to cardboard 26, prevent that jump bit 6 from continuing downstream, effectively avoid jump bit 6 to repeat to strike control arm 15, guaranteed test data's accuracy, avoided leading to influencing the experimental result because of the secondary is strikeed.
As shown in fig. 6 and 7, a vertical groove 27 is formed in the left side of the cavity 16, a pull rod 28 capable of sliding in the vertical groove 27 is rotatably connected to the left side of the bayonet 21, a protrusion 29 is fixedly connected to the pull rod 28, and a handle is fixedly connected to the left end of the pull plate 24; in the initial state, the projection 29 is in the vertical state and is positioned inside the vertical slot 27; when the clamping of the clamping plate 26 needs to be contacted, a user firstly pulls the pull rod 28 leftwards to enable the right end of the clamping pin 21 to be completely retracted into the fixed sleeve 20, at the moment, the lug 29 is pulled to the outside of the vertical groove 27, the pull rod 28 is rotated to enable the lug 29 to be in a horizontal state, the pull rod 28 is loosened, the pull rod 28 is fixed at the current position under the action of the lug 29, the user does not need to pull the pull rod 28 all the time, at the moment, the limit of the upward direction of the impact hammer 6 is released, and the user can drive the impact hammer 6 to move upwards through the lifting frame 8; a user pulls the pulling plate 24 leftwards through a handle, the pulling plate 24 drives the two second racks 23 to slide leftwards into the cavity 16, the two second racks 23 drive the first driven gear 18 to synchronously rotate through the two second driven gears 25, the first driven gear 18 moves downwards through the first rack 19 to an initial position, the downward limiting of the impact hammer 6 is relieved at the moment, the pull rod 28 is rotated to enable the lug 29 to be in a vertical state, the second spring 22 pushes the right end of the clamping pin 21 to slide out of the fixed sleeve 20, and the user can perform an impact test again;
through the matching use of the vertical groove 27, the pull rod 28, the bump 29 and the handle, a user can conveniently pull the bayonet 21 into the fixed sleeve 20 and fix the position of the bayonet 21, so that the limit of the impact hammer 6 in the upward direction is relieved, the user does not need to pull the pull rod 28 by hand all the time, and the workload of the user is reduced; the user pulls the second rack 23 into the cavity 16 by the handle, thereby releasing the downward direction of the impact hammer 6, and the fixing sleeve 20 is restored to the initial position, and rotates the pull rod 28 to restore the locking pin 21 to the initial position, ready for the next secondary impact prevention.
As shown in fig. 9 to 11, the clamping assembly includes a mounting box 30, the mounting box 30 is fixedly connected to the middle of the connecting frame 5, a rotating ring 31 is rotatably connected to the inside of the mounting box 30, a spiral track 32 is fixedly connected to the bottom of the rotating ring 31, a toothed ring 33 is fixedly connected to the top of the rotating ring 31, a plurality of sliding grooves 34 are uniformly formed in the bottom of the mounting box 30, a clamping block 35 is slidably connected to the inside of each sliding groove 34, a spiral rack 36 engaged with the spiral track 32 is fixedly connected to the top of each clamping block 35, a toothed shaft 37 engaged with the toothed ring 33 is rotatably connected to the mounting box 30, the impact hammer 6 is detachably mounted between the clamping blocks 35, and the first clamping block 7 is fixedly connected to the mounting box 30;
a user abuts the top of the impact hammer 6 against the bottom of the mounting box 30, the toothed shaft 37 is rotated, the toothed shaft 37 drives the rotating ring 31 to rotate through the toothed ring 33, the rotating ring 31 drives the plurality of clamping blocks 35 to slide along the corresponding sliding grooves 34 through the volute track 32 until the plurality of clamping blocks 35 are clamped on the outer circular surface of the impact hammer 6, and clamping and fixing of the impact hammer 6 are completed;
through the cooperation use of change ring 31, vortex track 32, ring gear 33, spout 34, grip block 35, vortex rack 36 and pinion 37, the user only needs to rotate pinion 37 and can accomplish the centre gripping of impact hammer 6 fixed, the simple operation, and fixed effectual, and can carry out the centre gripping to impact hammer 6 of different diameters size fixed, the suitability is strong.
As shown in fig. 1-3 and 16, the lifting assembly includes a driving motor 61 and a first threaded rod 38, the driving motor 61 is fixedly connected to the top of the supporting frame 2, the driving motor 61 is a forward and reverse rotation motor, a user can control the driving motor to rotate forward or reverse, the first threaded rod 38 is rotatably connected to the inside of the transmission box 3, a power output shaft of the driving motor 61 is engaged with the top of the first threaded rod 38, a first threaded block 39 is fixedly connected to the rear side of the lifting frame 8, and the first threaded block 39 is in threaded connection with the first threaded rod 38; the user starts the driving motor 61, and the driving motor 61 drives the first threaded rod 38 to synchronously rotate, so that the first threaded block 39 and the lifting frame 8 can be driven to move upwards or downwards, and the impact test operation is realized.
As shown in fig. 12 and 13, the height adjusting assembly includes an adjusting sleeve 40, the adjusting sleeve 40 is slidably connected to the transmission box 3, two vertical rails 41 are symmetrically and fixedly connected to the front of the transmission box 3, a plurality of limiting grooves 42 are uniformly formed in the side surfaces of the two vertical rails 41, limiting pins 43 are slidably connected to the left and right sides of the inside of the adjusting sleeve 40, a third spring 44 is fixedly connected between each limiting pin 43 and the adjusting sleeve 40, the fourth fixture block 14 is fixedly connected to the rear of the adjusting sleeve 40, and a scale mark 60 is arranged on the front of the transmission box 3; a user slides the two limiting pins 43 into the adjusting sleeve 40, so that the adjusting sleeve 40 can slide up and down, when the fourth fixture block 14 behind the adjusting sleeve 40 is adjusted to a proper height, the two third springs 44 push the two limiting pins 43 to be clamped into the corresponding limiting grooves 42, the height adjusting assembly is adjusted and fixed, and the scale marks 60 can facilitate the user to observe the height of the adjusting sleeve 40;
through the cooperation use of adjusting collar 40, spacing groove 42, spacer pin 43 and third spring 44, can convenient to use person adjust and fix the height of fourth fixture block 14, satisfy impact test's different height requirements, improve device's suitability.
As shown in fig. 12 and 13, two transverse slots 45 are symmetrically formed in the front surface of the adjusting sleeve 40, a shift lever 46 capable of sliding along the transverse slot 45 on the same side is fixedly connected to the front surface of each of the limiting pins 43, and a user can slide the shift lever 46 along the transverse slot 45, so that the two limiting pins 43 can be conveniently slid into the adjusting sleeve 40.
As shown in fig. 14, a transmission cavity 47 is formed in the base 1, a sliding rod 48 is fixedly connected in the transmission cavity 47, a second threaded rod 49 penetrating through the front of the base 1 is rotatably connected in the transmission cavity 47, an adjusting box 50 is arranged at the top of the base 1, a threaded sleeve 51 is fixedly connected at the bottom of the adjusting box 50, the threaded sleeve 51 is in threaded connection with the second threaded rod 49, and a sliding sleeve 52 sleeved on the sliding rod 48 is fixedly connected at the bottom of the adjusting box 50; the user rotates second threaded rod 49, and second threaded rod 49 passes through thread bush 51 and drives regulation box 50 and slide around following slide bar 48, realizes the regulation and the fixed of adjusting box 50 position, and then realizes the regulation to control arm 15 position, makes jump bit 6 can carry out the impact test to the position that control arm 15 is different.
As shown in fig. 14, a bidirectional screw 53 penetrating through the right side of the adjusting box 50 is rotatably connected inside the adjusting box 50, two second threaded blocks 54 are symmetrically arranged on the bidirectional screw 53, and a supporting plate 55 is fixedly connected to the top of each second threaded block 54; the user rotates two-way lead screw 53, and two-way lead screw 53 will drive two layer boards 55 through two second screw blocks 54 and carry out synchronous motion, realizes the regulation and the fixed of interval between two layer boards 55, makes the device can support long-size control arm 15, improves the practicality of device.
As shown in fig. 15, a cushion block 56 is fixedly connected to the top of each supporting plate 55, a fixing bolt 57 is fixedly connected to the top of each cushion block 56, a gasket 58 is sleeved on each fixing bolt 57, a nut 59 is connected to each fixing bolt 57 in a threaded manner, and the control arm 15 is detachably mounted between the two fixing bolts 57; the user adjusts two layer boards 55 according to control arm 15's size, then cup joints control arm 15's both ends on corresponding fixing bolt 57, cup joints gasket 58 again in control arm 15's top, installs nut 59 on corresponding fixing bolt 57 at last, presss from both sides control arm 15 tightly between cushion 56 and gasket 58, prevents to strike control arm 15 and bounces among the experimental process, eliminates the potential safety hazard among the testing process, guarantees that strike test's safety goes on.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The automobile control arm impact test device comprises a base (1) and is characterized in that a support frame (2) is fixedly connected to the top of the base (1), a transmission box (3) is fixedly connected between the support frame (2) and the base (1), two guide rods (4) are symmetrically and fixedly connected to the top of the base (1), a connecting frame (5) is connected to the two guide rods (4) in a sliding mode, an impact hammer (6) is detachably connected to the middle of the connecting frame (5) through a clamping component, a first clamping block (7) capable of sliding up and down in the transmission box (3) is fixedly connected to the rear of the clamping component, a lifting frame (8) is connected to the inside of the transmission box (3) in a sliding mode through a lifting component, two cross rods (9) are fixedly connected to the middle of the lifting frame (8), a vertical plate (10) capable of sliding along the cross rods (9) is fixedly connected to the inside of the lifting frame (8), a second clamping block (11) is fixedly connected to the bottom of the vertical plate (10), a first spring (12) is fixedly connected between the lifting frame (8) and a vertical plate (10), a height adjusting component of a third clamping block (3) is arranged on the front of the transmission box, and a height adjusting component (14) is arranged on the top of the transmission box, the top of the base (1) is provided with a control arm (15).
2. The automobile control arm impact test device according to claim 1, wherein a cavity (16) is formed in the left side of the support frame (2), a rotating shaft (17) is connected to the inside of the cavity (16) in a rotating manner, a first driven gear (18) is fixedly connected to the middle of the rotating shaft (17), a first rack (19) meshed with the first driven gear (18) is connected to the right side of the cavity (16) in a sliding manner, a fixing sleeve (20) is fixedly connected to the top of the first rack (19), a clamping pin (21) is fixedly connected to the inside of the fixing sleeve (20), a second spring (22) is fixedly connected between the clamping pin (21) and the fixing sleeve (20), two second racks (23) are slidably connected to the bottom of the cavity (16), a pulling plate (24) is fixedly connected to the left sides of the two second racks (23) in a common manner, a second driven gear (25) meshed with the two second racks (23) is fixedly connected to the rotating shaft (17), and a clamping plate (26) is fixedly connected to the left side of the connecting frame (5).
3. The automobile control arm impact test device according to claim 2, wherein a vertical groove (27) is formed in the left side of the cavity (16), a pull rod (28) capable of sliding in the vertical groove (27) is rotatably connected to the left side of the bayonet lock (21), and a bump (29) is fixedly connected to the pull rod (28).
4. The automobile control arm impact test device according to claim 1, wherein the clamping assembly comprises a mounting box (30), the mounting box (30) is fixedly connected to the middle of the connecting frame (5), a rotating ring (31) is rotatably connected to the inside of the mounting box (30), a volute track (32) is fixedly connected to the bottom of the rotating ring (31), a toothed ring (33) is fixedly connected to the top of the rotating ring (31), a plurality of sliding grooves (34) are uniformly formed in the bottom of the mounting box (30), a clamping block (35) is slidably connected to the inside of each sliding groove (34), a volute rack (36) meshed with the volute track (32) is fixedly connected to the top of each clamping block (35), a toothed shaft (37) meshed with the toothed ring (33) is rotatably connected to the mounting box (30), the impact hammer (6) is detachably mounted between the plurality of clamping blocks (35), and the first clamping block (7) is fixedly connected to the mounting box (30).
5. The automobile control arm impact test device according to claim 1, wherein the lifting assembly comprises a driving motor (61) and a first threaded rod (38), the driving motor (61) is fixedly connected to the top of the support frame (2), the first threaded rod (38) is rotatably connected to the inside of the transmission box (3), a power output shaft of the driving motor (61) is meshed with the top of the first threaded rod (38), a first threaded block (39) is fixedly connected to the rear side of the lifting frame (8), and the first threaded block (39) is in threaded connection with the first threaded rod (38).
6. The automobile control arm impact test device according to claim 1, wherein the height adjusting assembly comprises an adjusting sleeve (40), two vertical rails (41) are symmetrically and fixedly connected to the front surface of the transmission box (3), a plurality of limiting grooves (42) are uniformly formed in the side surfaces of the two vertical rails (41), limiting pins (43) are slidably connected to the left side and the right side of the inside of the adjusting sleeve (40), a third spring (44) is fixedly connected between each limiting pin (43) and the adjusting sleeve (40), the fourth clamping block (14) is fixedly connected to the rear portion of the adjusting sleeve (40), and scale marks (60) are arranged on the front surface of the transmission box (3).
7. The automobile control arm impact test device according to claim 6, wherein two transverse grooves (45) are symmetrically formed in the front surface of the adjusting sleeve (40), and a shift lever (46) capable of sliding along the transverse grooves (45) on the same side is fixedly connected to the front surface of each limiting pin (43).
8. The automobile control arm impact test device according to claim 1, wherein a transmission cavity (47) is formed in the base (1), a sliding rod (48) is fixedly connected to the inside of the transmission cavity (47), a second threaded rod (49) penetrating through the front of the base (1) is rotatably connected to the inside of the transmission cavity (47), an adjusting box (50) is arranged at the top of the base (1), a threaded sleeve (51) is fixedly connected to the bottom of the adjusting box (50), the threaded sleeve (51) is in threaded connection with the second threaded rod (49), and a sliding sleeve (52) sleeved on the sliding rod (48) is fixedly connected to the bottom of the adjusting box (50).
9. The automobile control arm impact test device according to claim 8, characterized in that a bidirectional screw rod (53) penetrating through the right side of the adjusting box (50) is rotatably connected inside the adjusting box (50), two second thread blocks (54) are symmetrically arranged on the bidirectional screw rod (53), and a supporting plate (55) is fixedly connected to the top of each second thread block (54).
10. The automobile control arm impact test device according to claim 9, wherein a cushion block (56) is fixedly connected to the top of each supporting plate (55), a fixing bolt (57) is fixedly connected to the top of each cushion block (56), a gasket (58) is sleeved on each fixing bolt (57), a nut (59) is in threaded connection with each fixing bolt (57), and the control arm (15) is detachably mounted between the two fixing bolts (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211524669.1A CN115876613A (en) | 2022-11-30 | 2022-11-30 | Impact test device for automobile control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211524669.1A CN115876613A (en) | 2022-11-30 | 2022-11-30 | Impact test device for automobile control arm |
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| Publication Number | Publication Date |
|---|---|
| CN115876613A true CN115876613A (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211524669.1A Pending CN115876613A (en) | 2022-11-30 | 2022-11-30 | Impact test device for automobile control arm |
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| Country | Link |
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| CN (1) | CN115876613A (en) |
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