CN114964830B - Performance test device for vehicle shock absorber - Google Patents
Performance test device for vehicle shock absorber Download PDFInfo
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- CN114964830B CN114964830B CN202210613761.9A CN202210613761A CN114964830B CN 114964830 B CN114964830 B CN 114964830B CN 202210613761 A CN202210613761 A CN 202210613761A CN 114964830 B CN114964830 B CN 114964830B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 85
- 230000035939 shock Effects 0.000 title claims abstract description 85
- 238000011056 performance test Methods 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 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 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Classifications
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a vehicle shock absorber performance test device, which is characterized in that an arc-shaped guide piece is arranged on a test machine body, a sliding block is arranged on the guide piece, a primary telescopic mechanism is used for pushing a secondary telescopic mechanism to drive the arc-shaped guide piece to lift and move on the test machine body, a clamping sleeve at the bottom of the sliding block clamps the upper end of a shock absorber, the lower end of the shock absorber is fixedly arranged on the clamping mechanism, and a vertical fixing mechanism is used for vertically fixing the shock absorber so as to realize the telescopic movement of the secondary telescopic mechanism to realize the telescopic test of the shock absorber in the vertical direction; simultaneously, through setting up pivoted test bench and rotatable clamping mechanism, make the test bench anticlockwise rotate 90 degrees angles after, can adjust the inclination of bumper shock absorber, make the bumper shock absorber can become certain inclination with vertical direction and carry out performance test, can realize multi-direction flexible performance test, effectively improve test device's suitability, make it can laminate actual conditions more and carry out performance 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, and the test result can directly check the performance of the shock absorber, so that the shock absorber test bed is test detection equipment which is indispensable for guaranteeing the safety and the reliability of the vehicle. In the test, standard simple harmonic motion excitation is applied to one end of the shock absorber, and the power indicating characteristic, the speed characteristic and the like of the shock absorber are detected on the basis of the standard simple harmonic motion excitation. The existing shock absorber test bed mainly carries out a stretching test in the vertical direction of the shock absorber, namely the test is mainly unidirectional stress, but the shock absorber receives forces in multiple directions in the use 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 solve the problem that the shock absorber test bed can only perform one-way performance test.
The invention provides a vehicle shock absorber performance test device which comprises a test machine body, wherein a test bed is rotatably arranged on the test machine body, a clamping mechanism is flexibly arranged on the test bed, 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 piece, a sliding block is arranged on the arc-shaped guide piece in a sliding manner, and a clamping sleeve used 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 formed in the arc-shaped guide piece at intervals, and a lock rod on the elastic locking mechanism can be in plug-in fit with the lock holes to adjust the position of the sliding block on the arc-shaped guide piece; the test machine body is also provided with a vertical fixing mechanism which is intermittently meshed with the test bed, so that the vertical fixing mechanism is opened when the test bed rotates anticlockwise to release the rotation freedom degree of the lower end of the shock absorber.
Further, the test bed is of a disc structure, an incomplete gear is arranged in the outer ring of the test bed, a first driving motor is arranged in the test machine body, and the output end of the first driving motor is in meshed transmission with the incomplete gear through the gear.
Further, vertical fixed establishment includes a supporting bench, first fixed jaw, second fixed jaw, linkage gear and drive gear, first fixed jaw with the second fixed jaw is located through the pivot the supporting bench upper end, first fixed jaw passes through linkage gear with second fixed jaw transmission is connected, drive gear passes through the pivot with first fixed jaw fixed connection, still be equipped with a plurality of in the test bench outer lane and be used for rotating to expand and rotate to close first fixed jaw with the lock tooth of second fixed jaw, lock tooth with incomplete gear interval is located in the test bench outer lane.
Further, 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 and rotatably arranged at the output ends of the first telescopic rod and the second telescopic rod through bearings.
Further, a fixed table is arranged in the middle of the test machine body, and the test table is rotationally arranged on the fixed table; the end part of the conical clamping head is provided with a ring gear, two locking racks are arranged on the fixed table in a right-facing manner, and when the test table 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.
Further, arc-shaped guide grooves are formed in two sides in the arc-shaped guide piece, rollers are arranged on two sides of the sliding block, and the rollers are located in the arc-shaped guide grooves; the outer side of the arc-shaped guide piece is provided with an arc-shaped tooth slot, two sides of the sliding block are detachably connected with mounting plates, the mounting plates are provided with second driving motors, and the second driving motors are meshed with gears in the arc-shaped tooth slot through gears.
Further, the elastic locking mechanism further comprises a sleeve seat, a permanent magnet, a first spring and an iron rod which is wound with a wire, wherein the sleeve seat is arranged on the mounting plate on one side of the sliding block, the iron rod is arranged in the sleeve seat, the permanent magnet is positioned at the front end of the iron rod, the locking rod is connected with the permanent magnet, and the first spring is sleeved on the locking rod and is positioned at the front end in the sleeve seat.
Further, the primary telescopic mechanism and the secondary telescopic mechanism are hydraulic push rods or electric push rods, and the output end of the primary telescopic mechanism is connected with the end part of the secondary telescopic mechanism through a connecting plate.
Further, a conical groove is formed in the clamping sleeve, third telescopic rods are arranged on two sides of the clamping sleeve, through holes are formed in two sides of the clamping sleeve, the through holes are communicated with the conical groove, a clamping block used for clamping the upper end of the shock absorber is arranged at the output end of the third telescopic rods, and the clamping block is located in the through holes.
Further, the device also comprises a limiting rod, wherein the limiting rod is fixedly connected to two sides of the arc-shaped guide piece, the limiting rod is in sliding connection with the upper end of the test machine body, a second spring is sleeved on the limiting rod, and one end of the second spring is connected with the upper end of the test machine body.
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 piece is arranged on a test machine body, a sliding block is arranged on the guide piece, a primary telescopic mechanism is used for pushing a secondary telescopic mechanism to drive the arc-shaped guide piece to lift and move on the test machine body, a clamping sleeve at the bottom of the sliding block clamps the upper end of a shock absorber, the lower end of the shock absorber is fixedly arranged on the clamping mechanism, and a vertical fixing mechanism is used for vertically fixing the shock absorber so as to realize the telescopic movement of the secondary telescopic mechanism to realize the telescopic test of the shock absorber in the vertical direction; simultaneously, through setting up pivoted test bench and rotatable clamping mechanism, make the test bench anticlockwise rotate 90 degrees angles after, can adjust the inclination of bumper shock absorber, can realize multi-direction flexible performance test, effectively improve test device's suitability, make it can laminate actual conditions more and carry out performance test to the bumper shock absorber.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 2 is a schematic view of the inside of a test bed of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 3 is an enlarged schematic view of part A of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 4 is an enlarged schematic view of a portion B of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 5 is a rear schematic view of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 6 is an enlarged schematic view of a portion C of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 7 is a schematic diagram showing the cooperation of a test stand and a transmission gear of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 8 is an enlarged schematic view of a portion D of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 9 is an axial view of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 10 is an enlarged schematic view of a portion E of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 11 is a schematic view of a clamping mechanism of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 12 is an enlarged schematic view of a portion F of a vehicle shock absorber performance test apparatus according to the present invention;
FIG. 13 is a schematic view of an elastic locking mechanism of a vehicle shock absorber performance test apparatus according to the present invention.
In the figure, 1-test organism; 2-a test bed; 3-a first-stage telescopic mechanism; 4-two-stage telescopic mechanism; 5-arc guide; 6-sliding blocks; 7-clamping the sleeve; 8-incomplete gear; 9-a first drive motor; 10-a fixed table; 11-locking racks; 12-mounting plates; 13-a second drive motor; 14-a limit rod; 15-a second spring; 16-locking teeth; 21-a conical clamping head; 22-a first telescopic rod; 23-a second telescopic rod; 24-ring gear; 41-supporting; 42-a first fixed jaw; 43-a second stationary jaw; 44-linkage gear; 45-a transmission gear; 51-locking holes; 52-arc-shaped guide grooves; 53-arc tooth slots; 54-roller; 61-sleeve seat; 62-permanent magnets; 63-a first spring; 64-iron rod; 65-conducting wires; 66-locking bar; 71-a conical groove; 72-through holes; 81-a third telescopic rod; 82-clamping blocks.
Detailed Description
For a better understanding of the present invention, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:
example 1:
As shown in fig. 1 to 12, the invention provides a vehicle shock absorber performance test device, which comprises a test machine body 1, wherein a test stand 2 is rotatably arranged on the test machine body, a clamping mechanism is telescopically arranged on the test stand 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 primary telescopic mechanism 3, 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 piece 5, a sliding block 6 is arranged on the arc-shaped 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. The sliding block 6 is provided with an elastic locking mechanism, the arc-shaped guide piece 5 is provided with a plurality of lock holes 51 at intervals, and a lock rod 66 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 and lock the sliding block; the test device can also perform a two-end movable 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 member 5 is driven by the secondary telescopic mechanism 4 to perform lifting movement, and one end of the shock absorber is driven by the arc-shaped guide member 5 to slide on the arc-shaped guide member 5 in the lifting movement process, so that the compression and swing angles of the shock absorber can be freely changed to simulate the performance test of real road conditions. The test machine body 1 is also provided with a vertical fixing mechanism which is intermittently meshed with the test bed 2 in a gear transmission mode, so that the vertical fixing mechanism is opened when the test bed 2 rotates anticlockwise to release the rotation freedom degree of the lower end of the shock absorber. Still include gag lever post 14, gag lever post 14 fixed connection is in the both sides of arc direction spare 5, and gag lever post 14 and test organism 1 upper end sliding connection has cup jointed second spring 15 on the gag lever post 14, and the one end and the test organism 1 upper end of second spring 15 are connected to carry out the spacing of vertical direction to arc direction spare 5 through setting up gag lever post 14 and spring 15, make it can stabilize straight line elevating movement in vertical direction.
The test bed 2 is of a disc structure, an incomplete gear 8 is arranged in the outer ring of the test bed 2, and the incomplete gear 8 is of an arc-shaped structure so as to be arranged in the outer ring of the test bed 2, and the radian included angles at two ends of the incomplete gear 8 are larger than 90 degrees. The test machine body 1 is internally provided with a first driving motor 9, and the output end of the first driving motor 9 is meshed and transmitted with the incomplete gear 8 through a gear, so that the first driving motor 9 can drive the test bed 2 to rotate by 90 degrees. 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, wherein 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 that the first fixing claw and the second fixing claw can 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 rotating and unfolding and rotating to close 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 that the problem that the rotating angle of the first fixed claw 42 and the second fixed claw 43 is overlarge in the rotating process of the test bed 2 is prevented. 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 and rotatably arranged at the output ends of the first telescopic rod 22 and the second telescopic rod 23 through bearings. The middle part of the test machine body 1 is provided with a fixed table 10, and the test table 2 is rotatably arranged on the fixed table 10; the end 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 way, and when the test table 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 primary telescopic mechanism 3 is a hydraulic push rod or an electric push rod, the secondary telescopic mechanism 4 is a hydraulic push rod or an electric push rod, and the secondary 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 piece 5. The output end of the primary telescopic mechanism 3 is connected with the end part of the secondary telescopic mechanism 4 through a connecting plate.
Working principle:
The arc-shaped guide piece 5 is arranged on the test machine body 1, the sliding block 6 is arranged on the guide piece, the first-stage telescopic mechanism 3 is used for pushing the second telescopic mechanism to drive the arc-shaped guide piece 5 to lift and move on the test machine body 1, the clamping sleeve 7 at the bottom of the sliding block 6 clamps the upper end of the shock absorber, the lower end of the shock absorber is fixedly arranged on the clamping mechanism, and the shock absorber is vertically fixed by the vertical fixing mechanism, so that the telescopic movement of the second-stage telescopic mechanism 4 is used for carrying out a telescopic test on the shock absorber in the vertical direction; 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 lock teeth 16 and the arc gear in the rotating process of the test bed 2; during rotation of the test stand 2, the ring gear 24 on the conical clamping head 21 is separated from the locking rack 11, so that the rotational freedom degree of the conical clamping head 21 on the first telescopic rod 22 and the second telescopic rod 23 is released; after the test bed 2 rotates 90 degrees anticlockwise, the second driving motor 13 rotates to enable the sliding block 6 to slide on the arc-shaped guide piece 5 to adjust the position of the sliding block 6 on the arc-shaped guide piece 5, so that the inclination angle of the shock absorber and the vertical direction is adjusted, the upper end of the shock absorber is locked by means of the locking rod 31 on the elastic locking mechanism and the locking hole 51 on the arc-shaped guide piece 5 in a matched mode, the second-stage telescopic mechanism 4 works to achieve a telescopic test on the inclination direction of the shock absorber, the applicability of the test device is effectively improved, and the test device can be enabled to be more fit with the actual situation to conduct performance test on the shock absorber.
Example 2:
As shown in fig. 3 to 13, in combination with the technical solution of embodiment 1, in this embodiment, two sides in the arc-shaped guide member 5 are provided with arc-shaped guide grooves 52, two sides of the sliding block 6 are provided with rollers 54, and the rollers 54 are located in the arc-shaped guide grooves 52; an arc tooth slot 53 is arranged on the outer side of one side of the arc-shaped guide piece 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 slot 53 through a gear so as to drive the sliding block 6 to slide on the arc-shaped guide piece 5 through the work of the second driving motor 13; further, the gear rotation can be realized by adopting a manual mode to replace the second driving motor 13 to drive the sliding block 6 to slide on the arc-shaped guide piece 5, and the manual mode can be adopted to replace the second driving motor 13 by arranging a knob on the mounting plate 12 to connect with a gear in the arc-shaped tooth slot 53. The elastic locking mechanism further comprises a sleeve seat 61, a permanent magnet 62, a first spring 63 and an iron rod 64 which is wound with a wire 65, wherein 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 is positioned at the front end in the sleeve seat 61; when the wire 65 is electrified, the iron rod 64 is magnetically attracted to attract the permanent magnet 62 at the front end of the iron rod 64, the lock rod 31 stretches the first spring 63 to retract so as to be separated from the lock hole 51, and at the moment, the sliding block 6 can freely slide on the arc-shaped guide piece 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 lock rod 31 to extend out and be inserted into the lock hole 51, so as to lock the sliding block 6 on the arc-shaped guide piece 5. When the upper end of the shock absorber is required to be subjected to a sliding constraint release test, the elastic locking mechanism is electrified to enable the lock rod 31 to retract into the sleeve seat 61, the arc-shaped guide piece 5 is driven by the secondary telescopic mechanism 4 to perform lifting movement, and the shock absorber slides on the arc-shaped guide piece 5 along with the sliding block 6 in a compressed state.
Example 3:
As shown in fig. 10, in the embodiment 2, a tapered groove 71 is provided in the clamping sleeve 7 to improve the applicability of the clamping sleeve 7 by providing the tapered groove 71, so that the clamping sleeve can be used for clamping front ends of shock absorbers with 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 conical grooves 71, the output end of the third telescopic rods 81 is provided with clamping blocks 82 used for clamping the upper ends of the shock absorbers, and the clamping blocks 82 are positioned in the through holes 72 so as to control the clamping blocks 82 to clamp the upper ends of the shock absorbers through telescopic movement of the third telescopic rods 81; balls can be provided on the clamping block 82 to enable the upper end of the damper to rotationally clamp the clamping sleeve 7 so that it can rotate within the clamping sleeve 7.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.
Claims (10)
1. The device for testing the performance of the vehicle shock absorber is characterized by comprising a test machine body (1), wherein a test bed (2) is rotationally arranged on the test machine body, a clamping mechanism is telescopically arranged on the test bed (2), and a conical clamping head (21) for clamping the lower end of the shock absorber is rotationally arranged on the clamping mechanism; the upper end of the test machine body (1) is provided with a primary telescopic mechanism (3), 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 piece (5), a sliding block (6) is arranged on the arc-shaped guide piece (5) in a sliding manner, and a clamping sleeve (7) for clamping the upper end of the 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 test machine body (1) is further provided with a vertical fixing mechanism, and the vertical fixing mechanism is intermittently meshed with the test table (2) through gear transmission, so that the vertical fixing mechanism is opened when the test table (2) rotates anticlockwise, and the rotation 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 meshed 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 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, the first fixing claw (42) is in transmission connection with the second fixing claw (43) through the linkage gear (44), the transmission gear (45) is fixedly connected with the first fixing claw (42) through the rotating shaft, a plurality of locking teeth (16) for rotating and unfolding and rotating to close the first fixing claw (42) and the second fixing claw (43) are further arranged in an outer ring of the test table (2), and the locking teeth (16) and the incomplete gear (8) are arranged in the outer ring of the test table (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 on two sides of the test bench (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 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 right-facing mode, and when the test table (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).
6. The vehicle shock absorber performance test device according to claim 1, wherein arc-shaped guide grooves (52) are formed in two sides in the arc-shaped guide piece (5), rollers (54) are arranged on two sides of the sliding block (6), and the rollers (54) are located in the arc-shaped guide grooves (52); the outer side of the arc-shaped guide piece (5) is provided with an arc-shaped tooth groove (53), two sides of the sliding block (6) are detachably connected with a mounting plate (12), 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.
7. The vehicle shock absorber performance test device according to claim 6, wherein the elastic locking mechanism further comprises a sleeve seat (61), a permanent magnet (62), a first spring (63) and an iron rod (64) which is wound with a wire (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 arranged 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 is arranged at the inner front end of the sleeve 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 part of the secondary telescopic mechanism (4) through a connecting plate.
9. The vehicle shock absorber performance test device according to claim 1, wherein a conical 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 conical groove (71), a clamping block (82) used for clamping the upper end of the shock absorber is arranged at the output end of the third telescopic rods (81), and the clamping block (82) is located in the through holes (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 piece (5), the limiting rod (14) is slidably connected 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 |
|---|---|---|---|
| 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 CN114964830A (en) | 2022-08-30 |
| CN114964830B true CN114964830B (en) | 2024-05-31 |
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| CN202210613761.9A Active CN114964830B (en) | 2022-06-01 | 2022-06-01 | Performance test device for vehicle shock absorber |
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| CN116429458B (en) * | 2023-06-15 | 2023-08-29 | 常州坚正橡塑制品有限公司 | Multi-angle pressure testing device for automobile shock absorber |
| CN117450983B (en) * | 2023-11-01 | 2024-03-15 | 保利澳瑞凯(江苏)矿山机械有限公司 | Shock absorber strut straightness detection device that hangs down |
Citations (16)
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| CN114964830A (en) | 2022-08-30 |
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