CN114964830A - Vehicle shock absorber performance test device - Google Patents
Vehicle shock absorber performance test device Download PDFInfo
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- CN114964830A CN114964830A CN202210613761.9A CN202210613761A CN114964830A CN 114964830 A CN114964830 A CN 114964830A CN 202210613761 A CN202210613761 A CN 202210613761A CN 114964830 A CN114964830 A CN 114964830A
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 86
- 230000035939 shock Effects 0.000 title claims abstract description 86
- 238000011056 performance test Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 115
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 210000000078 claw Anatomy 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000003028 elevating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
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Abstract
The invention discloses a vehicle shock absorber performance test device, wherein an arc-shaped guide part is arranged on a test machine body, a slide block is arranged on the guide part, a first-stage telescopic mechanism is used for pushing two telescopic mechanisms to drive the arc-shaped guide part to move up and down on the test machine body, a clamping sleeve at the bottom of the slide block clamps the upper end of a shock absorber, the lower end of the shock absorber is arranged on the clamping mechanism, and the vertical fixing mechanism is used for vertically fixing the shock absorber so as to realize the telescopic motion of a second-stage telescopic mechanism to perform a telescopic test on the shock absorber in the vertical direction; simultaneously, through setting up pivoted test bench and rotatable clamping mechanism, make test bench anticlockwise rotation 90 degrees back, can adjust the inclination of bumper shock absorber, make the bumper shock absorber can become certain inclination with vertical direction and carry out the capability test, can realize multi-direction flexible capability test, effectively improve test device's suitability, make it can laminate actual conditions more and carry out the capability test to the bumper shock absorber.
Description
Technical Field
The invention relates to the technical field of shock absorber tests, in particular to a vehicle shock absorber performance test device.
Background
The shock absorber test bed is test equipment for detecting the buffer performance of the vehicle shock absorber in the running process, the performance of the shock absorber can be directly checked according to a test result, and the shock absorber test bed is indispensable test detection equipment for guaranteeing the safety and reliability of a vehicle. In the test, standard simple harmonic motion excitation is applied to one end of the shock absorber, and then the indicator characteristic, the speed characteristic and the like of the shock absorber are detected. The existing shock absorber test bed mainly aims at performing a telescopic test in the vertical direction of a shock absorber, namely the test is mainly one-way stress, but the shock absorber is subjected to acting force in multiple directions in the using process, so that the applicability of the existing shock absorber test bed is low, and the normal use condition of the shock absorber cannot be better reflected.
Disclosure of Invention
The invention aims to provide a vehicle shock absorber performance test device aiming at the defects in the technology, and aims to solve the problem that the shock absorber test bed can only carry out a one-way performance test.
The invention provides a vehicle shock absorber performance test device which comprises a test machine body, wherein a test bench is rotatably arranged on the test machine body, a clamping mechanism is telescopically arranged on the test bench, and a conical clamping head for clamping the lower end of a shock absorber is rotatably arranged on the clamping mechanism; the upper end of the test machine body is provided with a primary telescopic mechanism, the output end of the primary telescopic mechanism is connected with a secondary telescopic mechanism, the output end of the secondary telescopic mechanism is connected with an arc-shaped guide part, a sliding block is arranged on the arc-shaped guide part in a sliding manner, and a clamping sleeve for clamping the upper end of the shock absorber is arranged on the sliding block; the sliding block is provided with an elastic locking mechanism, a plurality of lock holes are arranged on the arc-shaped guide piece at intervals, and a lock rod on the elastic locking mechanism can be in plug fit with the lock holes to adjust the position of the sliding block on the arc-shaped guide piece; the testing machine body is also provided with a vertical fixing mechanism, and the vertical fixing mechanism is intermittently meshed with the test bed so as to open the vertical fixing mechanism when the test bed rotates anticlockwise to release the rotational freedom degree of the lower end of the shock absorber.
Further, the test bench is of a disc structure, an incomplete gear is arranged in an outer ring of the test bench, a first driving motor is arranged in the test machine body, and an output end of the first driving motor is in meshing transmission with the incomplete gear through a gear.
Further, vertical fixed establishment includes a platform, first stationary dog, second stationary dog, linkage gear and drive gear, first stationary dog with the second stationary dog is located through the pivot a platform upper end, first stationary dog passes through the linkage gear with the transmission of second stationary dog is connected, drive gear passes through the pivot with first stationary dog fixed connection, still be equipped with a plurality of being used for rotating in the test bench outer lane and expand and rotate and close first stationary dog with the lock tooth of second stationary dog, the lock tooth with incomplete gear interval is located in the test bench outer lane.
Furthermore, the clamping mechanism further comprises a first telescopic rod and a second telescopic rod, the first telescopic rod and the second telescopic rod are respectively arranged on two sides of the test bed, and the conical clamping head is respectively rotatably arranged at the output ends of the first telescopic rod and the second telescopic rod through bearings.
Furthermore, a fixed table is arranged in the middle of the test machine body, and the test table is rotatably arranged on the fixed table; the end part of the conical clamping head is provided with a ring gear, the fixed platform is provided with two locking racks, and when the test bed rotates to the state that the clamping mechanism is parallel to the locking racks, the ring gear is meshed with the locking racks so as to lock the rotational freedom degree of the conical clamping head.
Furthermore, arc-shaped guide grooves are formed in two sides in the arc-shaped guide piece, rolling wheels are arranged on two sides of the sliding block, and the rolling wheels are located in the arc-shaped guide grooves; the outside of arc guide is equipped with the arc tooth's socket, the both sides of slider can be dismantled and be connected with the mounting panel, be equipped with second driving motor on the mounting panel, second driving motor pass through the gear with gear engagement in the arc tooth's socket.
Further, elasticity locking mechanism still includes cover seat, permanent magnet, first spring and the iron set that the wire has in the wraparound, the cover seat is located slider one side on the mounting panel, the iron set is located in the cover seat, the permanent magnet is located the front end of iron set, the locking lever with the permanent magnet is connected, first spring housing in on the locking lever and be located front end in the cover seat.
Furthermore, the first-stage telescopic mechanism and the second-stage telescopic mechanism are hydraulic push rods or electric push rods, and the output end of the first-stage telescopic mechanism is connected with the end part of the second-stage telescopic mechanism through a connecting plate.
Further, be equipped with the bell jar in the clamp sleeve, clamp sleeve's both sides are equipped with the third telescopic link, clamp sleeve both sides are equipped with the through-hole, the through-hole with the bell jar intercommunication, the output of third telescopic link is equipped with and is used for pressing from both sides the tight piece of clamp on the bumper shock absorber, press from both sides tight piece and be located in the through-hole.
Further, still include the gag lever post, gag lever post fixed connection in the both sides of arc guide, the gag lever post with experimental organism upper end sliding connection, the second spring has been cup jointed on the gag lever post, the one end of second spring with experimental organism upper end is connected.
Compared with the prior art, the method has the following beneficial effects:
the invention provides a vehicle shock absorber performance test device, which is characterized in that an arc-shaped guide part is arranged on a test machine body, a slide block is arranged on the guide part, a first-stage telescopic mechanism is used for pushing two telescopic mechanisms to drive the arc-shaped guide part to move up and down on the test machine body, a clamping sleeve at the bottom of the slide block clamps the upper end of a shock absorber, the lower end of the shock absorber is arranged on the clamping mechanism, and the vertical fixing mechanism is used for vertically fixing the shock absorber so as to realize the telescopic motion of a second-stage telescopic mechanism to perform a telescopic test on the shock absorber in the vertical direction; simultaneously, through setting up pivoted test bench and rotatable clamping mechanism, make the test bench anticlockwise rotation 90 degrees backs, can adjust the inclination of bumper shock absorber, can realize multi-direction elasticity performance test, effectively improve test device's suitability, make it can laminate actual conditions more and carry out the performance test to the bumper shock absorber.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic diagram of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 2 is a schematic view of the interior of a test bed of the vehicle shock absorber performance testing device of the present invention;
FIG. 3 is an enlarged schematic view of a part A of the vehicle shock absorber performance testing apparatus of the present invention;
FIG. 4 is an enlarged schematic view of a part B of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 5 is a rear schematic view of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 6 is a schematic enlarged view of a part C of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 7 is a schematic diagram of a test bed and a transmission gear of the vehicle shock absorber performance testing device according to the present invention;
FIG. 8 is a schematic enlarged view of a portion D of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 9 is an axial view of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 10 is an enlarged view of a portion E of a vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 11 is a schematic view of a clamping mechanism of the vehicle shock absorber performance testing apparatus according to the present invention;
FIG. 12 is an enlarged partial view showing a section F of a vehicle shock absorber performance testing apparatus according to the present invention;
fig. 13 is a schematic view of an elastic locking mechanism of a vehicle shock absorber performance testing device according to the invention.
In the figure, 1-test organism; 2-test bed; 3-a first-stage telescoping mechanism; 4-a secondary telescoping mechanism; 5-an arc-shaped guide; 6-a slide block; 7-a clamping sleeve; 8-incomplete gear; 9-a first drive motor; 10-a fixed table; 11-a locking rack; 12-a mounting plate; 13-a second drive motor; 14-a limiting rod; 15-a second spring; 16-locking teeth; 21-a conical clamping head; 22-a first telescopic rod; 23-a second telescoping rod; 24-a ring gear; 41-branch table; 42-a first stationary jaw; 43-a second fixed jaw; 44-a linkage gear; 45-transmission gear; 51-a lock hole; 52-arc guide groove; 53-arc tooth space; 54-a roller; 61-a socket; 62-a permanent magnet; 63-a first spring; 64-iron rod; 65-a wire; 66-locking bar; 71-a tapered groove; 72-a via hole; 81-a third telescopic rod; 82-clamping block.
Detailed Description
For a better understanding of the present invention, its structure, and the functional features and advantages attained by its structure, reference is made to the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings, in which:
example 1:
as shown in fig. 1 to 12, the invention provides a vehicle shock absorber performance testing device, which comprises a testing machine body 1, wherein a testing table 2 is rotatably arranged on the testing machine body, a clamping mechanism is telescopically arranged on the testing table 2, and a conical clamping head 21 for clamping the lower end of a shock absorber is rotatably arranged on the clamping mechanism; the upper end of the test machine body 1 is provided with a first-stage telescopic mechanism 3, the output end of the first-stage telescopic mechanism 3 is connected with a second-stage telescopic mechanism 4, the output end of the second-stage telescopic mechanism 4 is connected with an arc guide piece 5, a sliding block 6 is arranged on the arc guide piece 5 in a sliding mode, and a clamping sleeve 7 used for clamping the upper end of the shock absorber is arranged on the sliding block 6 so as to clamp the two ends of the shock absorber through a conical clamping head 21 and the clamping sleeve 7. An elastic locking mechanism is arranged on the sliding block 6, a plurality of locking holes 51 are arranged on the arc-shaped guide piece 5 at intervals, and a locking rod 66 on the elastic locking mechanism can be in plug-in fit with the locking holes 51 to adjust the position of the sliding block 6 on the arc-shaped guide piece 5 and lock the sliding block; the test device can also perform two-end activity test on the shock absorber, namely, the sliding freedom degree of the sliding block 6 is released; at this time, the lock rod 31 on the elastic locking mechanism is in a contracted state, so that the arc-shaped guide part 5 is pushed by the secondary telescopic mechanism 4 to perform lifting motion, the arc-shaped guide part 5 pushes one end of the shock absorber to slide on the arc-shaped guide part 5 in the lifting motion process, and the compression and swing angles of the shock absorber are freely changed to simulate the performance test of real road conditions. The testing machine body 1 is also provided with a vertical fixing mechanism, and the vertical fixing mechanism is intermittently meshed with the testing table 2 in a gear transmission mode so that the vertical fixing mechanism is opened when the testing table 2 rotates anticlockwise to release the rotational freedom degree of the lower end of the shock absorber. Still include gag lever post 14, 14 fixed connection in the both sides of arc guide 5 of gag lever post, gag lever post 14 and 1 upper end sliding connection of experimental organism, the second spring 15 has been cup jointed on the gag lever post 14, and the one end and the experimental organism 1 upper end of second spring 15 are connected to it is spacing to carry out vertical direction to arc guide 5 through setting up gag lever post 14 and spring 15, makes it can stabilize linear elevating movement in vertical direction.
The test bed 2 is of a disc structure, an incomplete gear 8 and an incomplete gear 8 arc structure are arranged in the outer ring of the test bed 2 and are installed in the outer ring of the test bed 2, and radian included angles of two ends of the incomplete gear are larger than 90 degrees. Be equipped with first driving motor 9 in the experimental organism 1, the output of first driving motor 9 passes through gear and incomplete gear 8 meshing transmission to first driving motor 9 can drive test bench 2 and rotate 90 degrees angles. The vertical fixing mechanism comprises a supporting table 41, a first fixing claw 42, a second fixing claw 43, a linkage gear 44 and a transmission gear 45, the first fixing claw 42 and the second fixing claw 43 are arranged at the upper end of the supporting table 41 through a rotating shaft, and the first fixing claw 42 is in transmission connection with the second fixing claw 43 through the linkage gear 44 so as to enable the first fixing claw and the second fixing claw to rotate relatively. The transmission gear 45 is fixedly connected with the first fixed claw 42 through a rotating shaft, a plurality of locking teeth 16 used for rotatably unfolding and rotatably closing the first fixed claw 42 and the second fixed claw 43 are further arranged in the outer ring of the test bed 2, and the locking teeth 16 and the incomplete gear 8 are arranged in the outer ring of the test bed 2 at intervals so as to prevent the problem that the rotating angles of the first fixed claw 42 and the second fixed claw 43 are too large in the rotating process of the test bed 2. The clamping mechanism further comprises a first telescopic rod 22 and a second telescopic rod 23, the first telescopic rod 22 and the second telescopic rod 23 are respectively arranged on two sides of the test bed 2, and the conical clamping head 21 is respectively rotatably arranged at the output ends of the first telescopic rod 22 and the second telescopic rod 23 through bearings. A fixed table 10 is arranged in the middle of the test machine body 1, and the test table 2 is rotatably arranged on the fixed table 10; the end part of the conical clamping head 21 is provided with a ring gear 24, two locking racks 11 are arranged on the fixed table 10 in a facing mode, and when the test bed 2 rotates until the clamping mechanism is parallel to the locking racks 11, the ring gear 24 is meshed with the locking racks 11 so as to lock the rotational freedom degree of the conical clamping head 21.
The first-stage telescopic mechanism 3 is a hydraulic push rod or an electric push rod, the second-stage telescopic mechanism 4 is a hydraulic push rod or an electric push rod, and the second-stage telescopic mechanism 4 can also be a cam mechanism or a crank slide rod mechanism so as to realize that a motor drives a turntable or a cam to control the lifting motion of the arc-shaped guide part 5. The output end of the first-stage telescopic mechanism 3 is connected with the end part of the second-stage telescopic mechanism 4 through a connecting plate.
The working principle is as follows:
the arc-shaped guide part 5 is arranged on the test machine body 1, the slide block 6 is arranged on the guide part, the two telescopic mechanisms are pushed by the primary telescopic mechanism 3 to drive the arc-shaped guide part 5 to move up and down on the test machine body 1, the clamping sleeve 7 at the bottom of the slide block 6 clamps the upper end of the shock absorber, the lower end of the shock absorber is arranged on the clamping mechanism, the vertical fixing mechanism vertically fixes the shock absorber, and the telescopic test of the shock absorber in the vertical direction by the telescopic motion of the secondary telescopic mechanism 4 is realized; the first driving motor 9 rotates to drive the test bed 2 to rotate, so that the clamping mechanism drives the shock absorber to vertically rotate by 90 degrees, and the first fixing claw 42 and the second fixing claw 43 are opened and locked by the locking teeth 16 and the arc-shaped gear in the rotating process of the test bed 2; during the rotation of the test bed 2, the ring gear 24 on the conical clamping head 21 is disengaged from the locking rack 11, so as to release the rotational freedom of the conical clamping head 21 on the first telescopic rod 22 and the second telescopic rod 23; 2 anticlockwise rotation 90 degrees angles backs of test bench, second driving motor 13 rotates and makes slider 6 slide on arc guide 5 and adjust the position of slider 6 on arc guide 5, thereby realize adjusting the inclination of bumper shock absorber and vertical direction, and rely on locking lever 31 on the elasticity locking mechanism and the lockhole 51 complex mode on the arc guide 5 to lock the upper end of bumper shock absorber, the flexible test of the incline direction to the bumper shock absorber is realized in the work of second grade telescopic machanism 4, effectively improve testing arrangement's suitability, make it can laminate actual conditions more and come to carry out the performance test to the bumper shock absorber.
Example 2:
as shown in fig. 3 to 13, in combination with the technical solution of embodiment 1, in this embodiment, arc-shaped guide grooves 52 are formed in two sides of the arc-shaped guide member 5, rollers 54 are formed on two sides of the slider 6, and the rollers 54 are located in the arc-shaped guide grooves 52; an arc-shaped tooth groove 53 is formed in the outer side of one side of the arc-shaped guide part 5, two sides of the sliding block 6 are detachably connected with a mounting plate 12 through bolts, a second driving motor 13 is arranged on the mounting plate 12, and the second driving motor 13 is meshed with a gear in the arc-shaped tooth groove 53 through a gear so as to drive the sliding block 6 to slide on the arc-shaped guide part 5 through the work of the second driving motor 13; further, the gear can rotate to drive the sliding block 6 to slide on the arc-shaped guide piece 5 by manually replacing the second driving motor 13, and the second driving motor 13 can be replaced by manually arranging a knob on the mounting plate 12 to connect with the gear in the arc-shaped tooth groove 53. The elastic locking mechanism further comprises a sleeve seat 61, a permanent magnet 62, a first spring 63 and an iron rod 64 wound with a lead 65, the sleeve seat 61 is arranged on the mounting plate 12 on one side of the sliding block 6, the iron rod 64 is arranged in the sleeve seat 61, the permanent magnet 62 is positioned at the front end of the iron rod 64, the lock rod 31 is connected with the permanent magnet 62, and the first spring 63 is sleeved on the lock rod 31 and positioned at the front end in the sleeve seat 61; when the lead 65 is electrified, the iron rod 64 is magnetized to generate attraction force so as to adsorb the permanent magnet 62 at the front end of the iron rod 64, the lock rod 31 stretches the first spring 63 to contract so as to separate the first spring from the lock hole 51, and at the moment, the slide block 6 can freely slide on the arc-shaped guide part 5; when the conducting wire 65 is powered off, the permanent magnet 62 returns under the action of the first spring 63 to drive the locking rod 31 to extend out to be inserted into the locking hole 51, so that the sliding block 6 is locked on the arc-shaped guide part 5. When the upper end of the shock absorber needs to be subjected to a sliding constraint release test, the elastic locking mechanism is electrified to enable the locking rod 31 to contract into the sleeve seat 61, the arc-shaped guide part 5 is driven by the secondary telescopic mechanism 4 to move up and down, and the shock absorber slides on the arc-shaped guide part 5 along with the sliding block 6 in a compression state.
Example 3:
as shown in fig. 10, in the present embodiment, in combination with the technical solution of embodiment 2, a tapered groove 71 is provided in the clamp sleeve 7, so that the applicability of the clamp sleeve 7 is improved by providing the tapered groove 71, and the clamp sleeve can be used for clamping the front ends of the shock absorbers having different diameters. The two sides of the clamping sleeve 7 are provided with third telescopic rods 81, the two sides of the clamping sleeve are provided with through holes 72, the through holes 72 are communicated with the tapered grooves 71, the output end of the third telescopic rods 81 is provided with clamping blocks 82 used for clamping the upper end of the shock absorber, and the clamping blocks 82 are positioned in the through holes 72 so as to control the clamping blocks 82 to clamp the upper end of the shock absorber through the telescopic motion of the third telescopic rods 81; the clamping block 82 may be provided with balls to effect rotational clamping of the upper end of the damper to the clamping sleeve 7 so that it can rotate within the clamping sleeve 7.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings presented above, without departing from the scope of the claimed solution. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. The vehicle shock absorber performance testing device is characterized by comprising a testing machine body (1), wherein a testing table (2) is rotatably arranged on the testing machine body, a clamping mechanism is telescopically arranged on the testing table (2), and a conical clamping head (21) for clamping the lower end of a shock absorber is rotatably arranged on the clamping mechanism; the testing machine is characterized in that a primary telescopic mechanism (3) is arranged at the upper end of the testing machine body (1), the output end of the primary telescopic mechanism (3) is connected with a secondary telescopic mechanism (4), the output end of the secondary telescopic mechanism (4) is connected with an arc-shaped guide part (5), a sliding block (6) is arranged on the arc-shaped guide part (5) in a sliding manner, and a clamping sleeve (7) used for clamping the upper end of a shock absorber is arranged on the sliding block (6); an elastic locking mechanism is arranged on the sliding block (6), a plurality of lock holes (51) are formed in the arc-shaped guide piece (5) at intervals, and a lock rod (31) on the elastic locking mechanism can be in plug-in fit with the lock holes (51) to adjust the position of the sliding block (6) on the arc-shaped guide piece (5); the testing machine is characterized in that a vertical fixing mechanism is further arranged on the testing machine body (1), and the vertical fixing mechanism is intermittently meshed with the testing table (2) through gear transmission, so that the vertical fixing mechanism is opened when the testing table (2) rotates anticlockwise, and the rotational freedom degree of the lower end of the shock absorber is released.
2. The vehicle shock absorber performance test device according to claim 1, wherein the test bed (2) is of a disc structure, an incomplete gear (8) is arranged in an outer ring of the test bed (2), a first driving motor (9) is arranged in the test machine body (1), and an output end of the first driving motor (9) is in meshing transmission with the incomplete gear (8) through a gear.
3. The vehicle shock absorber performance test device according to claim 2, wherein the vertical fixing mechanism includes a support table (41), a first fixing claw (42), a second fixing claw (43), a linked gear (44), and a transmission gear (45), the first fixed claw (42) and the second fixed claw (43) are arranged at the upper end of the supporting platform (41) through a rotating shaft, the first fixed claw (42) is in transmission connection with the second fixed claw (43) through the linkage gear (44), the transmission gear (45) is fixedly connected with the first fixed claw (42) through the rotating shaft, a plurality of locking teeth (16) used for rotationally unfolding and rotationally closing the first fixed claw (42) and the second fixed claw (43) are also arranged in the outer ring of the test bed (2), the lock teeth (16) and the incomplete gear (8) are arranged in the outer ring of the test bed (2) at intervals.
4. The vehicle shock absorber performance test device according to claim 1, wherein the clamping mechanism further comprises a first telescopic rod (22) and a second telescopic rod (23), the first telescopic rod (22) and the second telescopic rod (23) are respectively arranged at two sides of the test bed (2), and the conical clamping head (21) is respectively rotatably arranged at the output ends of the first telescopic rod (22) and the second telescopic rod (23) through bearings.
5. The vehicle shock absorber performance test device according to claim 4, wherein a fixed table (10) is arranged in the middle of the test machine body (1), and the test table (2) is rotatably arranged on the fixed table (10); the end part of the conical clamping head (21) is provided with a ring gear (24), the fixed table (10) is provided with two lock racks (11), the test bed (2) rotates to the state that the clamping mechanism is parallel to the lock racks (11), the ring gear (24) is meshed with the lock racks (11) to lock the rotational freedom degree of the conical clamping head (21).
6. The vehicle shock absorber performance test device according to claim 1, wherein arc-shaped guide grooves (52) are formed in the arc-shaped guide piece (5) on two sides, and rollers (54) are arranged on two sides of the sliding block (6), wherein the rollers (54) are positioned in the arc-shaped guide grooves (52); the outside of arc guide (5) is equipped with arc tooth's socket (53), the both sides of slider (6) can be dismantled and be connected with mounting panel (12), be equipped with second driving motor (13) on mounting panel (12), second driving motor (13) pass through the gear with gear engagement in arc tooth's socket (53).
7. The vehicle shock absorber performance test device of claim 6, characterized in that, elasticity locking mechanism still includes cover seat (61), permanent magnet (62), first spring (63) and around connecing iron rod (64) that has wire (65), cover seat (61) are located slider (6) one side on mounting panel (12), iron rod (64) are located in cover seat (61), permanent magnet (62) are located the front end of iron rod (64), locking lever (31) with permanent magnet (62) are connected, first spring (63) overlap in on locking lever (31) and be located front end in cover seat (61).
8. The vehicle shock absorber performance test device according to claim 2, wherein the primary telescopic mechanism (3) and the secondary telescopic mechanism (4) are hydraulic push rods or electric push rods, and the output end of the primary telescopic mechanism (3) is connected with the end of the secondary telescopic mechanism (4) through a connecting plate.
9. The vehicle shock absorber performance test device according to claim 1, wherein a tapered groove (71) is formed in the clamping sleeve (7), third telescopic rods (81) are arranged on two sides of the clamping sleeve (7), through holes (72) are formed in two sides of the clamping sleeve, the through holes (72) are communicated with the tapered groove (71), a clamping block (82) used for clamping the upper end of the shock absorber is arranged at the output end of each third telescopic rod (81), and the clamping block (82) is located in the through hole (72).
10. The vehicle shock absorber performance test device according to any one of claims 1 to 9, further comprising a limiting rod (14), wherein the limiting rod (14) is fixedly connected to two sides of the arc-shaped guide part (5), the limiting rod (14) is in sliding connection with the upper end of the test machine body (1), a second spring (15) is sleeved on the limiting rod (14), and one end of the second spring (15) is connected with the upper end of the test machine body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210613761.9A CN114964830B (en) | 2022-06-01 | 2022-06-01 | Performance test device for vehicle shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210613761.9A CN114964830B (en) | 2022-06-01 | 2022-06-01 | Performance test device for vehicle shock absorber |
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| CN114964830A true CN114964830A (en) | 2022-08-30 |
| CN114964830B CN114964830B (en) | 2024-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429458A (en) * | 2023-06-15 | 2023-07-14 | 常州坚正橡塑制品有限公司 | Multi-angle pressure testing device for automobile shock absorber |
| CN117450983A (en) * | 2023-11-01 | 2024-01-26 | 保利澳瑞凯(江苏)矿山机械有限公司 | Shock absorber strut straightness detection device that hangs down |
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