CN110207919B - Anti-vibration performance testing equipment for automobile DVD host - Google Patents
Anti-vibration performance testing equipment for automobile DVD host Download PDFInfo
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- CN110207919B CN110207919B CN201910397398.XA CN201910397398A CN110207919B CN 110207919 B CN110207919 B CN 110207919B CN 201910397398 A CN201910397398 A CN 201910397398A CN 110207919 B CN110207919 B CN 110207919B
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- dvd host
- slide rail
- horizontal slide
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a test device, in particular to a test device for the vibration resistance of an automobile DVD host. The technical problem is as follows: the vibration resistance performance testing equipment for the automobile DVD host can replace manual work to test the vibration resistance performance of the DVD host, prevent the DVD host from falling and being damaged, and avoid the influence of fatigue on subsequent work. The technical scheme is as follows: a kind of car DVD host computer anti-vibration performance test equipment, including bottom plate, supporting plate, horizontal slide rail, horizontal slide block, container body, thimble, contact lever, contact block, first spring, vertical slide rail, vertical slide block, place box, etc.; a support plate is fixedly connected to the left side of the top of the bottom plate. According to the invention, the DVD host is placed in the placing box, then the screw is used for fixing, the driving motor is started, the contact block can drive the DVD host to move up and down for testing the high vibration resistance, and people do not need to pull the trolley to test the vibration resistance of the DVD host, so that the DVD host is more convenient, and the subsequent work is prevented from being influenced by fatigue.
Description
Technical Field
The invention relates to a test device, in particular to a test device for the vibration resistance of an automobile DVD host.
Background
In the structure of the automobile, the setting of the DVD host is indispensable, but when the automobile passes through an uneven road surface, in order to prevent the DVD host from shaking and losing the effect, the anti-vibration performance of the DVD host can be tested, generally, people put the DVD host on a small cart, pull the small cart to test the anti-vibration performance of the small cart, and easily drop the DVD host to cause damage, and after a long time, people are easily tired out to affect subsequent work, so people can directly install the DVD host on the automobile for testing, and the DVD host needs to be detached if the anti-vibration performance is not good, which is troublesome.
Disclosure of Invention
In order to overcome the pulling small handcart and carry out anti vibration capability test to it, easy DVD host computer drops easily and leads to damaging to a long time, the people is tired out easily and influences follow-up work's shortcoming, technical problem: the vibration resistance performance testing equipment for the automobile DVD host can replace manual work to test the vibration resistance performance of the DVD host, prevent the DVD host from falling and being damaged, and avoid the influence of fatigue on subsequent work.
The technical scheme is as follows: a test device for the anti-vibration performance of a DVD host of an automobile comprises a bottom plate, a support plate, a horizontal slide rail, a horizontal slide block, a box body, a sleeve, a contact rod, a contact block, a first spring, a vertical slide rail, a vertical slide block, a placing box, a screw rod and a driving mechanism, wherein the support plate is fixedly connected to the left side of the top of the bottom plate, the horizontal slide rail is fixedly connected to the upper side and the lower side of the right side surface of the support plate, the horizontal slide block is slidably arranged on the horizontal slide rail, the box body is arranged between the right side surfaces of the horizontal slide blocks on the upper side and the lower side, the sleeve is arranged on the top of the box body in an embedded mode at uniform intervals, the contact rod is positioned in the sleeve, the first spring is wound between the lower part of the contact rod and the bottom of the sleeve, the contact block is arranged at the, the two vertical sliding blocks are arranged on the vertical sliding rails in a sliding mode, the vertical sliding blocks are in sliding fit with the vertical sliding rails, a placing box placed on the DVD host can be installed between the right side faces of the two vertical sliding blocks, a through hole capable of enabling a connecting wire to penetrate through is formed in the left side of the top of the placing box, a threaded hole is formed in the right side of the top of the placing box, and a screw fixed by the DVD host can be located in the threaded hole.
Optionally, the driving mechanism includes a first bearing block, a cam shaft and a driving motor, the first bearing block is installed on the upper portions of the left and right sides of the box body in an embedded manner, the cam shaft is fixedly connected with bearings of the first bearing block on the left and right sides, the cam shaft contacts with the contact rod, the driving motor is bolted on the upper portion of the right side face outside the box body, and an output shaft of the driving motor is fixedly connected with the right end of the cam shaft through a coupling.
Optionally, the movable device capable of moving the box body further comprises a second bearing seat, a rotating shaft, a gearwheel, a sector gear, a frame, a rack and a pinion, wherein the second bearing seat is installed at the lower part of the left side of the box body in an embedded manner, the rotating shaft is connected with a bearing in the second bearing seat, the right end of the rotating shaft is fixedly connected with the gearwheel, the sector gear is installed at the left end of the rotating shaft, the frame is installed in the middle of the right side surface of the support plate, two racks matched with the sector gear are installed in the middle of the top of the frame respectively, the sector gear is located in the frame, the pinion is installed at.
Optionally, still including second spring, fly leaf and rubber slab, the second spring is two, and the second spring is installed respectively in placing box top left and right sides, and the rigid coupling has the fly leaf between the left and right sides second spring bottom, and fly leaf top and screw rod bottom contact, the rubber slab is installed in the middle of the fly leaf bottom.
Optionally, the portable sound box further comprises a supporting seat and a sound box, the supporting seat is installed on the left side of the top of the bottom plate and the upper portion of the left side face of the supporting plate, and the sound box is arranged on the top of the supporting seat.
The beneficial effects are that: according to the DVD host machine, the DVD host machine is placed in the placing box and is fixed through the screw, the driving motor is started, the contact block can drive the DVD host machine to move up and down to test the high vibration resistance, the vibration resistance of the DVD host machine is tested without pulling a trolley by a person, the DVD host machine is more convenient, fatigue is prevented from influencing subsequent work, the box body does not need to be pulled by an operator to move back and forth through the moving device, time and labor are saved, the DVD host machine can be fixed more stably through the action of the rubber plate, and damage caused by falling is avoided.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial left-view structural diagram of the present invention.
Description of reference numerals: the sound box comprises a base plate 1, a support plate 2, a horizontal sliding rail 3, a horizontal sliding block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical sliding rail 10, a vertical sliding block 11, a storage box 12, a through hole 13, a threaded hole 14, a threaded rod 15, a DVD (digital video disk) host 16, a driving mechanism 17, a first bearing seat 171, a cam shaft 172, a 173 driving motor, a moving device 18, a second bearing seat 181, a rotating shaft 182, a large gear 183, a sector gear 184, a frame 185, a rack 186, a pinion 187, a second spring 19, a movable plate 20, a rubber plate 21, a support seat 22.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
An automobile DVD host machine anti-vibration performance testing device is shown in figure 1 and comprises a bottom plate 1, a support plate 2, a horizontal slide rail 3, a horizontal slide block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical slide rail 10, a vertical slide block 11, a placing box 12, a screw rod 15 and a driving mechanism 17, wherein the support plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the bottom plate 1 is connected with the support plate 2 in a bolt connection mode, the horizontal slide rail 3 is fixedly connected to the upper side and the lower side of the right side surface of the support plate 2, the support plate 2 is connected with the horizontal slide rail 3 in a bolt connection mode, the horizontal slide rail 3 is provided with the horizontal slide block 4 in a sliding mode, the box body 5 is arranged between the right side surfaces of the horizontal slide blocks 4 at the upper side and the lower side, the box body 5 is connected with the horizontal, contact lever 7 is located sleeve pipe 6, the first spring 9 has been around having connect between contact lever 7 lower part and the sleeve pipe 6 bottom, contact piece 8 is installed on contact lever 7 top, 5 upper portions of box are equipped with the actuating mechanism 17 that can make contact piece 8 reciprocate, actuating mechanism 17 and contact lever 7 contact, vertical slide rail 10 is installed in extension board 2 top right side, vertical slide rail 10 passes through bolted connection's mode and is connected with extension board 2, the gliding two vertical sliders 11 that are equipped with on vertical slide rail 10, vertical slider 11 and vertical slide rail 10 sliding fit, can make placing box 12 that DVD host computer 16 placed install between two vertical slider 11 right flank, it has the through-hole 13 that can make the connecting wire pass to place box 12 top left side, it has screw hole 14 to place box 12 top right side division, can be located screw hole 14 with the fixed screw rod 15 of DVD host computer 16.
Example 2
An automobile DVD host machine anti-vibration performance testing device is shown in figure 1 and comprises a bottom plate 1, a support plate 2, a horizontal slide rail 3, a horizontal slide block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical slide rail 10, a vertical slide block 11, a placing box 12, a screw rod 15 and a driving mechanism 17, wherein the support plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the horizontal slide rail 3 is fixedly connected to the upper side and the lower side of the right side surface of the support plate 2, the horizontal slide block 4 is slidably arranged on the horizontal slide rail 3, the horizontal slide block 4 is slidably matched with the horizontal slide rail 3, the box body 5 is arranged between the right side surfaces of the horizontal slide blocks 4 on the upper side and the lower side, the sleeve 6 is arranged on the top of the box body 5 in an embedded mode at even intervals, the contact rod 7 is positioned in the sleeve 6, the first spring 9 is wound between the lower portion of, actuating mechanism 17 and contact bar 7 contact, vertical slide rail 10 is installed in extension board 2 top right side, what vertical slide rail 10 slided type is equipped with two vertical sliders 11, vertical slider 11 and vertical slide rail 10 sliding fit, can make placing box 12 that DVD host computer 16 placed install between two vertical slider 11 right sides, it has the through-hole 13 that can make the connecting wire pass to place box 12 top left side open, it has screw hole 14 to place box 12 top right side open, can be located the screw rod 15 that DVD host computer 16 was fixed in screw hole 14.
The driving mechanism 17 comprises a first bearing seat 171, a cam shaft 172 and a driving motor 173, the first bearing seat 171 is installed on the upper portion of the left side and the upper portion of the right side of the box 5 in an embedded mode, the cam shaft 172 is fixedly connected with bearings of the first bearing seat 171 on the left side and the right side, the cam shaft 172 is connected with the bearings in the first bearing seat 171 in an interference connection mode, the cam shaft 172 is in contact with the contact rod 7, the driving motor 173 is bolted on the upper portion of the outer right side face of the box 5, and an output shaft of the driving motor 173 is fixedly connected with the right end of the.
Example 3
An automobile DVD host machine anti-vibration performance testing device is shown in figure 1-2, and comprises a bottom plate 1, a support plate 2, a horizontal slide rail 3, a horizontal slide block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical slide rail 10, a vertical slide block 11, a placing box 12, a screw rod 15 and a driving mechanism 17, wherein the support plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the horizontal slide rail 3 is fixedly connected to the upper side and the lower side of the right side surface of the support plate 2, the horizontal slide block 4 is slidably arranged on the horizontal slide rail 3, the horizontal slide block 4 is slidably matched with the horizontal slide rail 3, the box body 5 is arranged between the right side surfaces of the horizontal slide blocks 4 on the upper side and the lower side, the sleeve 6 is arranged on the top of the box body 5 in an embedded manner at uniform interval, the contact rod 7 is positioned, 5 upper portions of box are equipped with the actuating mechanism 17 that can make contact block 8 reciprocate, actuating mechanism 17 and contact arm 7 contact, vertical slide rail 10 is installed on 2 top right sides of extension board, the gliding two vertical sliders 11 that are equipped with on vertical slide rail 10, vertical slider 11 and vertical slide rail 10 sliding fit, can make placing box 12 that DVD host computer 16 placed install between two vertical slider 11 right flank, it has the through-hole 13 that can make the connecting wire pass to place box 12 top left side, it has screw hole 14 to place box 12 top right side division, can be located screw hole 14 with the fixed screw rod 15 of DVD host computer 16.
The driving mechanism 17 comprises a first bearing seat 171, a cam shaft 172 and a driving motor 173, the first bearing seat 171 is mounted on the upper portion of the left side and the right side of the box 5 in an embedded manner, the cam shaft 172 is fixedly connected with the bearing of the first bearing seat 171 on the left side and the right side, the cam shaft 172 is contacted with the contact rod 7, the driving motor 173 is bolted on the upper portion of the outer right side of the box 5, and the output shaft of the driving motor 173 is fixedly connected with the right end of the cam shaft 172 through a coupling.
The movable device 18 is capable of moving the box body 5, the movable device 18 comprises a second bearing seat 181, a rotating shaft 182, a large gear 183, a sector gear 184, a frame 185, a rack 186 and a pinion 187, the second bearing seat 181 is embedded in the lower portion of the left side of the box body 5, the rotating shaft 182 is connected with a bearing in the second bearing seat 181, the rotating shaft 182 is connected with the bearing in the second bearing seat 181 in an interference connection mode, the large gear 183 is fixedly connected to the right end of the rotating shaft 182, the sector gear 184 is installed at the left end of the rotating shaft 182, the frame 185 is installed in the middle of the right side surface of the support plate 2, the frame 185 is connected with the support plate 2 in a bolt connection mode, the number of the racks 186 matched with the sector gear 184 is two, the racks 186 are respectively installed in the middle of the top of the frame 185, the rack 186 is connected with the frame, the pinion 187 meshes with the bull gear 183.
Example 4
An automobile DVD host machine anti-vibration performance testing device is shown in figure 1-2, and comprises a bottom plate 1, a support plate 2, a horizontal slide rail 3, a horizontal slide block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical slide rail 10, a vertical slide block 11, a placing box 12, a screw rod 15 and a driving mechanism 17, wherein the support plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the horizontal slide rail 3 is fixedly connected to the upper side and the lower side of the right side surface of the support plate 2, the horizontal slide block 4 is slidably arranged on the horizontal slide rail 3, the horizontal slide block 4 is slidably matched with the horizontal slide rail 3, the box body 5 is arranged between the right side surfaces of the horizontal slide blocks 4 on the upper side and the lower side, the sleeve 6 is arranged on the top of the box body 5 in an embedded manner at uniform interval, the contact rod 7 is positioned, 5 upper portions of box are equipped with the actuating mechanism 17 that can make contact block 8 reciprocate, actuating mechanism 17 and contact arm 7 contact, vertical slide rail 10 is installed on 2 top right sides of extension board, the gliding two vertical sliders 11 that are equipped with on vertical slide rail 10, vertical slider 11 and vertical slide rail 10 sliding fit, can make placing box 12 that DVD host computer 16 placed install between two vertical slider 11 right flank, it has the through-hole 13 that can make the connecting wire pass to place box 12 top left side, it has screw hole 14 to place box 12 top right side division, can be located screw hole 14 with the fixed screw rod 15 of DVD host computer 16.
The driving mechanism 17 comprises a first bearing seat 171, a cam shaft 172 and a driving motor 173, the first bearing seat 171 is mounted on the upper portion of the left side and the right side of the box 5 in an embedded manner, the cam shaft 172 is fixedly connected with the bearing of the first bearing seat 171 on the left side and the right side, the cam shaft 172 is contacted with the contact rod 7, the driving motor 173 is bolted on the upper portion of the outer right side of the box 5, and the output shaft of the driving motor 173 is fixedly connected with the right end of the cam shaft 172 through a coupling.
The movable device 18 is capable of moving the box body 5, the movable device 18 comprises a second bearing seat 181, a rotating shaft 182, a large gear 183, a sector gear 184, a frame 185, racks 186 and a pinion 187, the second bearing seat 181 is installed at the lower part of the left side of the box body 5 in an embedded mode, the rotating shaft 182 is connected with a bearing in the second bearing seat 181, the large gear 183 is fixedly connected to the right end of the rotating shaft 182, the sector gear 184 is installed at the left end of the rotating shaft 182, the frame 185 is installed in the middle of the right side face of the support plate 2, the two racks 186 matched with the sector gear 184 are installed in the middle of the top of the frame 185 respectively, the sector gear 184 is located in the frame 185, the pinion 187 is installed.
The box is characterized by further comprising two second springs 19, two movable plates 20 and two rubber plates 21, the second springs 19 are respectively installed on the left side and the right side of the top of the placing box 12, the movable plates 20 are fixedly connected between the bottom ends of the second springs 19 on the left side and the right side, the second springs 19 are connected with the movable plates 20 in a welding connection mode, the top of each movable plate 20 is in contact with the bottom end of the corresponding screw 15, the rubber plates 21 are installed in the middle of the bottom of each movable plate 20, and the rubber plates 21 are connected with the movable plates 20 in a bolt connection mode.
Example 5
An automobile DVD host machine anti-vibration performance testing device is shown in figure 1-2, and comprises a bottom plate 1, a support plate 2, a horizontal slide rail 3, a horizontal slide block 4, a box body 5, a sleeve 6, a contact rod 7, a contact block 8, a first spring 9, a vertical slide rail 10, a vertical slide block 11, a placing box 12, a screw rod 15 and a driving mechanism 17, wherein the support plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the horizontal slide rail 3 is fixedly connected to the upper side and the lower side of the right side surface of the support plate 2, the horizontal slide block 4 is slidably arranged on the horizontal slide rail 3, the horizontal slide block 4 is slidably matched with the horizontal slide rail 3, the box body 5 is arranged between the right side surfaces of the horizontal slide blocks 4 on the upper side and the lower side, the sleeve 6 is arranged on the top of the box body 5 in an embedded manner at uniform interval, the contact rod 7 is positioned, 5 upper portions of box are equipped with the actuating mechanism 17 that can make contact block 8 reciprocate, actuating mechanism 17 and contact arm 7 contact, vertical slide rail 10 is installed on 2 top right sides of extension board, the gliding two vertical sliders 11 that are equipped with on vertical slide rail 10, vertical slider 11 and vertical slide rail 10 sliding fit, can make placing box 12 that DVD host computer 16 placed install between two vertical slider 11 right flank, it has the through-hole 13 that can make the connecting wire pass to place box 12 top left side, it has screw hole 14 to place box 12 top right side division, can be located screw hole 14 with the fixed screw rod 15 of DVD host computer 16.
The driving mechanism 17 comprises a first bearing seat 171, a cam shaft 172 and a driving motor 173, the first bearing seat 171 is mounted on the upper portion of the left side and the right side of the box 5 in an embedded manner, the cam shaft 172 is fixedly connected with the bearing of the first bearing seat 171 on the left side and the right side, the cam shaft 172 is contacted with the contact rod 7, the driving motor 173 is bolted on the upper portion of the outer right side of the box 5, and the output shaft of the driving motor 173 is fixedly connected with the right end of the cam shaft 172 through a coupling.
The movable device 18 is capable of moving the box body 5, the movable device 18 comprises a second bearing seat 181, a rotating shaft 182, a large gear 183, a sector gear 184, a frame 185, racks 186 and a pinion 187, the second bearing seat 181 is installed at the lower part of the left side of the box body 5 in an embedded mode, the rotating shaft 182 is connected with a bearing in the second bearing seat 181, the large gear 183 is fixedly connected to the right end of the rotating shaft 182, the sector gear 184 is installed at the left end of the rotating shaft 182, the frame 185 is installed in the middle of the right side face of the support plate 2, the two racks 186 matched with the sector gear 184 are installed in the middle of the top of the frame 185 respectively, the sector gear 184 is located in the frame 185, the pinion 187 is installed.
The storage box is characterized by further comprising two second springs 19, a movable plate 20 and a rubber plate 21, wherein the two second springs 19 are respectively installed on the left side and the right side of the top of the storage box 12, the movable plate 20 is fixedly connected between the bottom ends of the second springs 19 on the left side and the right side, the top of the movable plate 20 is in contact with the bottom end of the screw 15, and the rubber plate 21 is installed in the middle of the bottom of the movable plate 20.
Still including supporting seat 22 and stereo set 23, supporting seat 22 is installed in 1 top left side of bottom plate and extension board 2 left surface upper portion, and bottom plate 1 and extension board 2 all are connected with supporting seat 22 through bolted connection's mode, and the supporting seat 22 top is equipped with stereo set 23.
Firstly, an operator puts a DVD host 16 into a placing box 12, twists a screw rod 15 to rotate forward, the screw rod 15 rotates forward and moves downward through a threaded hole 14, the screw rod 15 moves downward to contact with the DVD host 16 to fix the DVD host, stops twisting the screw rod 15, passes a connecting line of the DVD host 16 through a through hole 13 to connect with an external sound source, starts the DVD host 16, starts a driving mechanism 17, the driving mechanism 17 operates to drive a contact rod 7 to move up and down under the action of a first spring 9, the contact rod 7 moves up and down to drive a contact block 8 to move up and down, the contact block 8 moves up and down and the placing box 12 moves up and down, the placing box 12 moves up and down to drive the DVD host 16 to move up and down, and further tests the vibration resistance of the DVD host 16, meanwhile, the operator can pull a box body 5 to move back and forth, the box body 5 moves, the contact block 8 moves back and forth to test the vibration resistance of the DVD host 16 comprehensively, if the DVD host 16 does not make sound after testing, the vibration resistance of the DVD host 16 is not good, otherwise, the vibration resistance is good. After the anti-vibration performance test of the DVD host 16 is completed, the driving mechanism 17 is closed, the box body 5 is stopped to be pulled, the screw 15 is twisted to rotate reversely and move upwards, the screw 15 moves upwards to release the DVD host 16, and then the DVD host 16 is taken out of the placing box 12.
After the DVD host 16 is fixed by the screw 15, the driving motor 173 is started, the driving motor 173 rotates to drive the cam shaft 172 to rotate, the cam shaft 172 rotates to drive the contact rod 7 to move up and down due to the action of the first spring 9, the contact rod 7 moves up and down to drive the contact block 8 to move up and down, and then the DVD host 16 moves up and down to perform the anti-vibration performance test. When the anti-vibration performance test of the DVD host 16 is completed, the driving motor 173 is turned off, and the DVD host 16 stops moving up and down.
When the driving motor 173 is started, the camshaft 172 rotates to drive the pinion 187 to rotate, the pinion 187 rotates to drive the large gear 183 to rotate, the large gear 183 rotates to drive the rotating shaft 182 to rotate, the rotating shaft 182 rotates to drive the sector gear 184 to rotate, the sector gear 184 rotates to move back and forth through the rack 186, the sector gear 184 moves back and forth to drive the rotating shaft 182 to move back and forth, the rotating shaft 182 moves back and forth to drive the box body 5 to move back and forth, and then the contact block 8 is driven to move back and forth to comprehensively test the vibration resistance of. When the anti-vibration performance test of the DVD host 16 is completed, the driving motor 173 is turned off, the sector gear 184 stops rotating, and the box 5 stops rotating. Therefore, the box body 5 does not need to be pulled by an operator to move back and forth, and time and labor are saved.
When the DVD host 16 is placed in the placing box 12, an operator can twist the screw 15 to rotate forward, the screw 15 rotates forward and moves downward through the threaded hole 14, the screw 15 moves downward to drive the movable plate 20 to move downward, the second spring 19 stretches, the movable plate 20 moves downward to drive the rubber plate 21 to move downward, the rubber plate 21 moves downward to contact with the DVD host 16 to fix the DVD host, and the next operation can be started by stopping twisting the screw 15. After the anti-vibration performance test of the DVD host 16 is completed, the twisting screw 15 rotates reversely and moves upwards, the screw 15 moves upwards without contacting with the movable plate 20, and due to the action of the second spring 19, the movable plate 20 moves upwards to drive the rubber plate 21 to move upwards to release the DVD host 16, and the twisting screw 15 is stopped. In this way, the DVD host 16 can be more firmly fixed.
After the DVD host 16 is fixed, an operator connects the connecting line of the DVD host 16 to the audio 23 through the through hole 13, when the DVD host 16 is started, the audio 23 makes a sound, when the DVD host 16 is in a vibration resistance test, the audio 23 does not make a sound, which indicates that the vibration resistance of the DVD host 16 is not good, otherwise, the vibration resistance is good. Therefore, an external sound source is not needed, and the device is more convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A vibration resistance test device for an automobile DVD host comprises a bottom plate (1), a support plate (2), a horizontal slide rail (3), a horizontal slide block (4), a box body (5), a sleeve (6), a contact rod (7), a contact block (8) and a first spring (9), wherein the support plate (2) is fixedly connected to the left side of the top of the bottom plate (1), the horizontal slide rail (3) is fixedly connected to the upper side and the lower side of the right side surface of the support plate (2), the horizontal slide block (4) is slidably arranged on the horizontal slide rail (3), the horizontal slide block (4) is in sliding fit with the horizontal slide rail (3), the box body (5) is arranged between the right side surfaces of the horizontal slide blocks (4) on the upper side and the lower side, the sleeve (6) is arranged in an embedded mode that the top of the box body (5) is uniformly spaced, the contact rod (7) is positioned in the sleeve (6), the first, the contact block (8) is arranged at the top end of the contact rod (7), and is characterized by further comprising a vertical slide rail (10), a vertical slide block (11), a placing box (12), a screw rod (15) and a driving mechanism (17), wherein the driving mechanism (17) capable of enabling the contact block (8) to move up and down is arranged at the upper part of the box body (5), the driving mechanism (17) is in contact with the contact rod (7), the vertical slide rail (10) is arranged at the right side of the top of the support plate (2), the vertical slide rail (10) is provided with two vertical slide blocks (11) in a sliding mode, the vertical slide blocks (11) are in sliding fit with the vertical slide rails (10, a placing box (12) for placing a DVD host (16) is arranged between the right side surfaces of the two vertical sliding blocks (11), a through hole (13) for a connecting wire to pass through is arranged at the left side of the top of the placing box (12), a threaded hole (14) is arranged at the right side of the top of the placing box (12), a screw (15) capable of fixing the DVD host (16) is positioned in the threaded hole (14); the driving mechanism (17) comprises a first bearing seat (171), a cam shaft (172) and a driving motor (173), the first bearing seats (171) are installed on the upper portions of the left side and the right side of the box body (5) in an embedded mode, the cam shaft (172) is fixedly connected with bearings of the first bearing seats (171) on the left side and the right side, the cam shaft (172) is contacted with the contact rod (7), the driving motor (173) is bolted on the upper portion of the outer right side face of the box body (5), and an output shaft of the driving motor (173) is fixedly connected with the right end of the cam shaft (172) through a coupler; the movable device (18) capable of moving the box body (5) is further included, the movable device (18) comprises a second bearing seat (181), a rotating shaft (182), a large gear (183), a sector gear (184), a frame (185), a rack (186) and a small gear (187), the second bearing seat (181) is installed at the lower portion of the left side of the box body (5) in an embedded mode, the rotating shaft (182) is connected with a bearing in the second bearing seat (181), the large gear (183) is fixedly connected to the right end of the rotating shaft (182), the sector gear (184) is installed at the left end of the rotating shaft (182), the frame (185) is installed in the middle of the right side face of the, the number of the racks (186) matched with the sector gears (184) is two, the racks (186) are respectively installed in the middle of the top of the frame (185), the sector gears (184) are located in the frame (185), the small gear (187) is installed at the left part of the camshaft (172), and the small gear (187) is meshed with the large gear (183).
2. The vibration resistance performance test equipment for the DVD host of the automobile according to claim 1, further comprising two second springs (19), a movable plate (20) and a rubber plate (21), wherein the two second springs (19) are respectively installed at the left side and the right side of the top of the storage box (12), the movable plate (20) is fixedly connected between the bottom ends of the second springs (19) at the left side and the right side, the top of the movable plate (20) is in contact with the bottom end of the screw (15), and the rubber plate (21) is installed in the middle of the bottom of the movable plate (20).
3. The vibration resistance testing device for the DVD host of the automobile according to claim 2, further comprising a support (22) and a speaker (23), wherein the support (22) is installed at the left side of the top of the bottom plate (1) and the upper part of the left side surface of the support plate (2), and the speaker (23) is installed at the top of the support (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397398.XA CN110207919B (en) | 2019-05-14 | 2019-05-14 | Anti-vibration performance testing equipment for automobile DVD host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397398.XA CN110207919B (en) | 2019-05-14 | 2019-05-14 | Anti-vibration performance testing equipment for automobile DVD host |
Publications (2)
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| CN207007458U (en) * | 2017-06-16 | 2018-02-13 | 江苏海宝电池科技有限公司 | One kind detection battery vibration resistance performance devices |
| CN207133028U (en) * | 2017-08-23 | 2018-03-23 | 安徽皖控自动化仪表有限公司 | A kind of portable simulated automotive shake table |
| CN208736647U (en) * | 2018-11-01 | 2019-04-12 | 江西量子新能源科技有限公司 | Vibration test table is used in a kind of production of lithium ion battery |
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| JPS57116231A (en) * | 1981-01-13 | 1982-07-20 | Toshiba Corp | Vibrating device |
| CN101105421A (en) * | 2007-04-28 | 2008-01-16 | 江苏万工科技集团有限公司 | Passive type cam shedding device dynamic simulated vibration measurement mechanism |
| CN201903437U (en) * | 2010-12-20 | 2011-07-20 | 柳州五菱汽车有限责任公司 | Overall vehicle vibration testing device and overall vehicle vibration testing platform with same |
| CN103645025A (en) * | 2013-11-11 | 2014-03-19 | 上海应用技术学院 | Three-direction-vibration testing machine based on cam mechanism |
| CN207007458U (en) * | 2017-06-16 | 2018-02-13 | 江苏海宝电池科技有限公司 | One kind detection battery vibration resistance performance devices |
| CN207133028U (en) * | 2017-08-23 | 2018-03-23 | 安徽皖控自动化仪表有限公司 | A kind of portable simulated automotive shake table |
| CN107639718A (en) * | 2017-10-31 | 2018-01-30 | 中国地质大学（武汉） | One kind experiment delays solidification equipment and its implementation with small-size concrete jolt ramming |
| CN208736647U (en) * | 2018-11-01 | 2019-04-12 | 江西量子新能源科技有限公司 | Vibration test table is used in a kind of production of lithium ion battery |
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