CN116878795A - Electric motor car frame vibrations test device - Google Patents
Electric motor car frame vibrations test device Download PDFInfo
- Publication number
- CN116878795A CN116878795A CN202311126281.0A CN202311126281A CN116878795A CN 116878795 A CN116878795 A CN 116878795A CN 202311126281 A CN202311126281 A CN 202311126281A CN 116878795 A CN116878795 A CN 116878795A
- Authority
- CN
- China
- Prior art keywords
- electric vehicle
- vehicle frame
- vibration
- rod
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000000725 suspension Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Seats For Vehicles (AREA)
Abstract
The application discloses a vibration test device for an electric vehicle frame, which belongs to the technical field of electric vehicle tests and comprises a support, wherein a front vibration table and a rear vibration table for carrying out vibration tests on the electric vehicle frame are arranged on the support, a front connecting seat and a rear connecting seat for connecting a front fork and a rear wheel hub of the electric vehicle frame are respectively arranged on the front vibration table and the rear vibration table, the front fork and the rear wheel hub of the electric vehicle frame can be respectively arranged on the front connecting seat and the rear connecting seat by utilizing fixing pieces, in the connecting process, an anti-falling rod is inserted into a first annular groove, so that an electric vehicle hub bolt can be prevented from bouncing upwards, the stability of the electric vehicle frame arranged on the front vibration table and the rear vibration table is ensured, in addition, the plugging rod is inserted into a second annular groove, the phenomenon that a locking nut is separated from a second annular groove is formed on the electric vehicle hub bolt can be avoided, and the stability of the electric vehicle frame vibration test is further increased.
Description
Technical Field
The application relates to a vibration test device for an electric vehicle frame, and belongs to the technical field of electric vehicle tests.
Background
In the production process of the electric vehicle, vibration fatigue test is required to be carried out on the vehicle frame, the vehicle frame is fixed on a vibration table in the current test mode, the test is carried out in a vertical vibration mode, however, when the electric vehicle frame is assembled on the vibration table, the electric vehicle frame is generally assembled and fixed through the cooperation of a common nut and front and rear hub bolts, namely, the hub bolts are placed in mounting grooves, the adaptive common nut is screwed on the hub bolts, the common nut is prevented from loosening due to the fact that threads of the hub bolts are loosened, an elastic gasket is sleeved on the hub bolts, the elastic gasket increases the friction force between the common nut and threads of the hub bolts, and the effect of preventing loosening is achieved, but in the vibration test process of the electric vehicle frame, the vibration times and the vibration amplitude are far greater than those of the electric vehicle frame in normal use, and the anti-loosening assembly can not lock the hub bolts stably, and therefore the vibration test device for the electric vehicle frame is provided.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides the vibration test device for the electric vehicle frame, which can effectively prevent the lock nut from loosening and wire-removing on the electric vehicle hub bolt in the vibration test process of the electric vehicle frame, and ensures the stability of the vibration test of the electric vehicle frame.
In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides an electric motor car frame vibrations test device, includes the support, the support includes bottom plate and gallows, and the gallows is with welded form fixed stay in the top of bottom plate, be provided with suspension component on the gallows, suspension component is used for suspending electric motor car frame and configuration piece, is provided with the bolt that is used for installing the wheel on the wheel hub of electric motor car frame, be provided with preceding shake platform and back shake platform on the bottom plate, preceding shake platform and back shake platform cooperation support electric motor car frame, utilize the suspension component that sets up on the support, after installing electric motor car frame on preceding shake platform and back shake platform, suspend the balancing weight on electric motor car frame according to vibrations test demand, cause electric motor car frame to vibrate under load condition, preceding shake platform, back shake bench to be provided with preceding connecting seat, back connecting seat respectively, the quantity of preceding connecting seat is one, and the quantity of back connecting seat is two to reach the front fork to electric motor car frame, two back wheel hubs carry out the connection support, interval adjustable between two back connecting seats, just be provided with the mounting before the electric motor car frame is fixed on the front fork and the wheel hub is fixed with the electric motor car frame after the front and will be fixed on the back connecting seat.
Preferably, the mounting includes the supporting shoe, set up the standing groove that the opening was upwards on the supporting shoe, after the electric motor car frame was placed on preceding vibrations platform, back vibrations bench, the electric motor car frame front fork passes through the mounting and connects on preceding connecting seat, electric motor car back wheel hub passes through the mounting and connects on the back connecting seat, electric motor car wheel hub's bolt transversely carries in the inside of standing groove, electric motor car wheel hub is connected with the supporting shoe laminating, and electric motor car wheel hub bolt's tip extends outside the standing groove, the mounting still includes lock nut, be provided with the internal thread groove on the lock nut, internal thread groove and electric motor car wheel hub bolt looks adaptation, the below of standing groove just is located the fixed connection anticreep pole on the lateral wall of supporting shoe, and the tip of anticreep pole is spherical end, and the direction of anticreep pole is in parallel state with wheel hub bolt, just on the lateral wall of lock nut and with the concentric state of internal thread groove set up one, after lock nut and internal thread groove align, the anticreep bolt just is to one, after the lock nut twists to electric motor car wheel hub, inside the anticreep pole is used for preventing in the inside the standing groove of electric motor car vibration test.
Preferably, the lug plate is fixedly connected with the side wall of the supporting block and is positioned below the placing groove, the inserting rod is connected with the side wall of the lug plate in a sliding manner, the baffle plate is fixedly connected with the side wall of the inserting rod, a spring is arranged between the baffle plate and the lug plate and used for upwards pushing the inserting rod, the spring is sleeved on the inserting rod, the lower end of the spring is propped against the lug plate, the upper end of the spring is propped against the lower side surface of the baffle plate, the side wall of the locking nut is provided with the annular groove II, and the upper end of the inserting rod is movably inserted into the annular groove II, namely, after the locking nut is screwed onto the hub bolt of the electric vehicle, the inserting rod is inserted into the annular groove II.
Preferably, the lock nut is chamfered on a contour of an end surface close to the internal thread groove, and when the spring pushes the insert rod to the highest position state, the upper end of the insert rod is positioned on the chamfer surface.
Preferably, a hexagonal driving part is arranged on the side wall of the lock nut.
Preferably, the number of the fixing pieces on the rear connecting seat is two, the supporting block of any fixing piece is fixedly connected to the side wall of the rear connecting seat, and the supporting block of the other fixing piece is slidably connected to the side wall of the rear connecting seat.
Preferably, the upper end opening of the placing groove is in a V-shaped structure with a large upper part and a narrow lower part.
Preferably, the front vibration table is fixed on the bottom plate, fixedly connected with slide one on the upper side of bottom plate, back vibration table sliding connection is on slide one, rotate on the bottom plate and be connected with screw one, and the tip of screw one is equipped with handle one, can drive screw one through rotating handle one and rotate, just back vibration table meshing is connected on screw one, and screw one can drive back vibration table and slide on slide one to adjust the interval between back vibration table and the front vibration table, in order to be applicable to and shake test operation to the electric motor car frame of different length.
Preferably, the back shaking table is last to be provided with slide two, and two back connecting seats respectively sliding connection are at slide two's both ends, slide two's top rotation is connected with lead screw two, and lead screw two's middle part is connected on slide two with pivoted looks adaptation, and two back connecting seats mesh respectively and are connected in lead screw two's both ends position, and any one end of lead screw two is connected with and is used for driving lead screw two pivoted handle two, and when lead screw two rotated, lead screw two can drive two back connecting seats and slide on slide two symmetry to adjust the interval between two back connecting seats.
Compared with the prior art, the anti-drop rod is slowly slid into the first annular groove by screwing the lock nut towards the supporting block and gradually sliding displacement of the first annular groove towards the anti-drop rod, and the anti-drop rod is inserted into the first annular groove after the lock nut is screwed in place, so that the hub bolts of the electric vehicle can be prevented from bouncing upwards, and the stability of the frame of the electric vehicle on the front vibration table and the rear vibration table is ensured; meanwhile, when the lock nut moves towards the supporting block, the second ring groove slides to align with the inserting rod, the inserting rod slides upwards through the spring, the upper end of the inserting rod is inserted into the second ring groove, the phenomenon that the lock nut is separated from threads on a hub bolt of an electric vehicle can be avoided through the mutual matching of the inserting rod and the second ring groove, and the stability of a vibration test of the frame of the electric vehicle is further improved.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a schematic structural view of the rear vibration table, the rear connecting seat, the second slideway and the second screw rod.
Fig. 3 is a schematic structural view of the rear connecting seat and the supporting block according to the present application.
Fig. 4 is a cross-sectional exploded view of the rear connector block, support block and lock nut of the present application.
FIG. 5 is a cross-sectional view of the support block, lock nut, anti-slip bar and insert bar of the present application.
FIG. 6 is an exploded view of the rear attachment seat, support block, placement slot and hub bolts of the present application.
In the figure: 1. the support, 101, the bottom plate, 102, the gallows, 2, preceding shaking table, 3, back shaking table, 4, preceding connecting seat, 5, back connecting seat, 6, mounting, 601, supporting shoe, 602, standing groove, 603, lock nut, 604, internal thread groove, 605, anticreep pole, 606, annular one, 607, otic placode, 608, inserted link, 609, baffle, 6010, spring, 6011, annular two, 6012, hexagonal drive portion, 6013, limit high piece, 7, slide one, 8, lead screw one, 9, handle one, 10, slide two, 11, lead screw two, 12, handle two.
Detailed Description
The application is illustrated below by means of specific examples, without however limiting the application.
As shown in fig. 1-6, in the application, the vibration test device for the electric vehicle frame provided by the application comprises a bracket 1, wherein the bracket 1 comprises a bottom plate 101 and a hanging bracket 102, the hanging bracket 102 is fixedly supported above the bottom plate 101 in a welded mode, a suspension component is arranged on the hanging bracket 102 and used for suspending the electric vehicle frame and a configuration block, bolts for installing wheels are arranged on hubs of the electric vehicle frame, a front vibration table 2 and a rear vibration table 3 are arranged on the bottom plate 101, the front vibration table 2 and the rear vibration table 3 are matched and support the electric vehicle frame, a suspension component arranged on the hanging bracket 102 is utilized, after the electric vehicle frame is installed on the front vibration table 2 and the rear vibration table 3, a balancing weight is suspended on the electric vehicle frame according to vibration test requirements, so that the electric vehicle frame is subjected to vibration test in a load state, the front vibration table 2 and the rear vibration table 3 are respectively provided with a front connecting seat 4 and a rear connecting seat 5, the number of the front connecting seat 5 is two, the front fork of the electric vehicle frame (front fork) and the rear fork frame (the front fork frame) are installed on the front fork frame and the rear fork frame (the front fork frame) and the front fork frame (the front fork frame) and the rear fork frame) are fixedly connected on the front fork frame (the front fork frame) and the rear fork frame (the front fork frame) are fixedly connected on the front fork frame (the front fork frame) and the front fork frame 5) respectively.
As shown in fig. 1, in order to fix the electric vehicle frame on the front vibration table 2 and the rear vibration table 3, the fixing piece 6 comprises a supporting block 601, an upward opening placing groove 602 is formed in the supporting block 601, when the electric vehicle frame is placed on the front vibration table 2 and the rear vibration table 3, the front fork of the electric vehicle frame is connected on the front connecting seat 4 through the fixing piece 6, the rear hub of the electric vehicle is connected on the rear connecting seat 5 through the fixing piece 6, the bolt of the electric vehicle hub is transversely carried in the placing groove 602, the electric vehicle hub is in fit connection with the supporting block 601, the end part of the electric vehicle hub bolt extends out of the placing groove 602, the fixing piece 6 also comprises a locking nut 603, an internal thread groove 604 is formed in the locking nut 603, the internal thread groove 604 is matched with the electric vehicle hub bolt, an anti-falling rod 605 is fixedly connected on the side wall of the supporting block 601, the end part of the anti-falling rod 605 is in a spherical end, the axial direction of the anti-falling rod 605 is in a parallel state with the direction of the hub bolt, and the end of the anti-falling rod 605 is in a state of the same with the locking nut groove 606, and when the end of the anti-falling rod is in a state of the electric vehicle hub is in a concentric with the electric wheel hub groove 606, and the anti-falling groove 605 is aligned with the electric vehicle groove 606 in a direction of the groove 606, and is aligned with the groove 606 in a groove which is aligned with the anti-falling groove when the anti-falling groove 606 is arranged in the electric vehicle groove;
as shown in fig. 5, in the tightening process of the lock nut 603 on the electric vehicle hub bolt, the lock nut 603 moves towards the supporting block 601, in the moving process, the first ring groove 606 gradually slides towards the anti-falling rod 605, so that the anti-falling rod 605 slowly slides into the first ring groove 606, after the lock nut 603 is screwed in place, the anti-falling rod 605 is inserted into the first ring groove 606, at the moment, when a vibration test is performed, the electric vehicle hub bolt has upward bouncing force, the anti-falling rod 605 abuts against the side wall of the first ring groove 606, and then the upward bouncing of the electric vehicle hub bolt can be prevented, and the stability of the electric vehicle frame mounted on the front vibration table 2 and the rear vibration table 3 is ensured.
As shown in fig. 4-5, in order to prevent the lock nut 603 from coming off the wire on the electric vehicle hub bolt, an ear plate 607 is fixedly connected to the side wall of the supporting block 601 and located below the placing groove 602, a plug rod 608 is slidably connected to the side wall of the ear plate 607, a baffle plate 609 is fixedly connected to the side wall of the plug rod 608, a spring 6010 is arranged between the baffle plate 609 and the ear plate 607 and is used for pushing the plug rod 608 upwards, the spring 6010 is sleeved on the plug rod 608, the lower end of the spring 6010 abuts against the ear plate 607, the upper end of the spring 6010 abuts against the lower side surface of the baffle plate 609, the baffle plate 609 is pushed upwards by the spring 6010 to drive the baffle plate 609 to move upwards with the plug rod 608, a limited high block 6013 is arranged at the lower end of the plug rod 608, the limited high block 6013 is located below the ear plate 607, when the limited high block 6013 abuts against the lower side surface of the ear plate 607, the plug rod 608 is located at the highest position, two 6011 are arranged on the side wall of the lock nut 603, and the upper end of the plug rod 608 abuts against the annular groove 6011, namely, when the two electric vehicle hub bolts 6011 are screwed on the two annular grooves 6011.
As shown in fig. 5, when the lock nut 603 is screwed onto the hub bolt of the electric vehicle, in order to automatically slide and lock the upper end of the insert rod 608 into the inside of the second ring groove 6011, the lock nut 603 is chamfered on the contour of one end surface near the internal thread groove 604, and when the spring 6010 pushes the insert rod 608 to the highest position state (i.e., when the height limiting block 6013 is abutted against the lower side surface of the lug plate 607), the upper end of the insert rod 608 is positioned on the chamfer surface (as shown in fig. 5, the chamfer surface indicated by the broken line and the height state of the upper end of the insert rod 608);
when the lock nut 603 is rotated to enable the lock nut 603 to continuously move towards the supporting block 601, at this time, the chamfer surface of the lock nut 603 is firstly contacted with the insert rod 608, the insert rod 608 is pressed by the chamfer surface along with the continuous rotation of the lock nut 603, the insert rod 608 compresses the spring 6010 to move downwards, so that the upper end of the insert rod 608 is attached to the side wall of the lock nut 603, when the lock nut 603 rotates, the upper end of the insert rod 608 slides on the side wall of the lock nut 603, when the position of the second ring groove 6011 slides to align with the insert rod 608, the spring 6010 is used for pressing, after the insert rod 608 slides upwards, the upper end of the insert rod 608 is inserted into the second ring groove 6011, and the phenomenon that the lock nut 603 is wire-removed on a hub bolt of an electric vehicle can be avoided through the mutual cooperation of the insert rod 608 and the second ring groove 6011.
As shown in fig. 4, in order to drive the lock nut 603 to rotate on the electric vehicle hub bolt, a hexagonal driving portion 6012 is provided on a side wall of the lock nut 603, and when the lock nut 603 is screwed on the electric vehicle hub bolt, the lock nut 603 can be easily screwed on the electric vehicle hub bolt by being matched with the hexagonal driving portion 6012 through an external wrench.
As shown in fig. 3 to 4, in order to further firmly mount the rear hub of the electric vehicle on the rear connection seat 5, and the rear connection seat 5 can be suitable for hubs with different specifications (hubs with different adjacent bolt pitches), the number of fixing pieces 6 on the rear connection seat 5 is two, the supporting block 601 of any fixing piece 6 is fixedly connected on the side wall of the rear connection seat 5, and the supporting block 601 of the other fixing piece 6 is slidably connected on the side wall of the rear connection seat 5;
suspending the electric vehicle frame so as to suspend the electric vehicle frame above the front vibration table 2 and the rear vibration table 3, wherein the front fork of the electric vehicle is positioned above the front connecting seat 4, the rear hub of the electric vehicle is positioned above the rear connecting seat 5, rotating the rear hub of the electric vehicle, adjusting any two adjacent bolts on the rear hub of the electric vehicle to the same height (the height is lower than that of other bolts), sliding the supporting blocks 601 of the other fixing piece 6 so as to adjust the distance between the two supporting blocks 601 on the same rear connecting seat 5, enabling the two hub bolts with the same height to be respectively positioned right above the two supporting blocks 601 (the two placing grooves 602), at the moment, dropping the electric vehicle frame, enabling the hub bolts to fall inside the corresponding placing grooves 602, locking the hub bolts inside the placing grooves 602 through the locking nuts 603, and then completing the installation of the electric vehicle frame;
in addition, slide the supporting shoe 601 lower extreme on back connecting seat 5 and be provided with T type groove seat structure, be provided with T type slide rail structure on the lateral wall of back connecting seat 5, T type groove seat and T type slide rail mutually support, make supporting shoe 601 can slide on back connecting seat 5, the interval of two supporting shoes 601 has been realized adjusting, and the lateral wall upside of T type slide rail is equipped with anti-skidding line, place behind the inside at standing groove 602 when electric motor car hub bolt, press supporting shoe 601 through the weight of electric motor car frame, then can make the inner wall of T type groove seat support tightly on T type slide rail, through the setting of anti-skidding line, can effectually avoid supporting shoe 601 slip drunkenness.
In order to facilitate the placement of the electric vehicle hub bolts inside the placement groove 602, the upper end opening of the placement groove 602 has a V-shaped structure with a large upper part and a narrow lower part;
the setting of "V" type of standing groove 602 can make the top opening of standing groove 602 increase, the electric motor car hub bolt of being convenient for aligns with standing groove 602, when electric motor car frame whereabouts in-process, be favorable to electric motor car hub bolt displacement to the inside of standing groove 602, and, when two supporting shoe 601 intervals on the same back connecting seat 5 do not match with two hub bolt intervals, through hub bolt downwardly moving, hub bolt supports the inclined plane of V type on the standing groove 602, utilize hub bolt's pushing down effect, promote arbitrary supporting shoe 601 to slide, so that two supporting shoe 601 can automatically regulated, so that can make back connecting seat 5 can be applicable to the wheel hub (the wheel hub of different adjacent bolt intervals) installation of different specifications automatically.
As shown in fig. 1, in order to adjust the interval between the front vibration table 2 and the rear vibration table 3, so as to be suitable for performing vibration test operation on electric vehicle frames with different lengths (the interval from the front wheel to the rear wheel of the electric vehicle is different), the front vibration table 2 is fixed on the bottom plate 101, a slide way 7 is fixedly connected to the upper side surface of the bottom plate 101, the rear vibration table 3 is slidably connected to the slide way 7, a screw rod 8 is rotatably connected to the bottom plate 101, a handle 9 is arranged at the end of the screw rod 8, the screw rod 8 can be driven to rotate by rotating the handle 9, in addition, the handle 9 can be replaced by a motor, the motor is mounted on the bottom plate 101, the screw rod 8 is driven to rotate by the motor, and the rear vibration table 3 is connected to the screw rod 8 in a meshed manner, when the screw rod 8 rotates, the screw rod 8 can drive the rear vibration table 3 to slide on the slide way 7, so as to adjust the interval between the rear vibration table 3 and the front vibration table 2, so as to be suitable for performing vibration test operation on electric vehicle frames with different lengths (the interval from the front wheel to the rear wheel of the electric vehicle frame).
As shown in fig. 2, in order to adjust the interval between the two rear connection seats 5, so as to be suitable for performing vibration test operation on electric vehicle frames with different intervals between two rear wheel hubs, a second slide rail 10 is arranged on the rear vibration table 3, the two rear connection seats 5 are respectively and slidably connected to two ends of the second slide rail 10, a second lead screw 11 is rotationally connected to the upper portion of the second slide rail 10, the middle portion of the second lead screw 11 is rotationally connected to the second slide rail 10 in a suitable manner, the two rear connection seats 5 are respectively and meshingly connected to two end positions of the second lead screw 11, any end of the second lead screw 11 is connected with a second handle 12 for driving the second lead screw 11 to rotate, and when the second lead screw 11 rotates, the second lead screw 11 can drive the second rear connection seats 5 to symmetrically slide on the second slide rail 10 so as to adjust the interval between the two rear connection seats 5, so as to be suitable for performing vibration test operation on electric vehicle frames with different intervals between the two rear wheel hubs.
Finally, it should be noted that the above-mentioned embodiments only illustrate rather than limit the technical solution of the present application, and although the present application has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present application may be modified or equivalently replaced without departing from the spirit and scope of the present application, and any modification or partial replacement thereof should be included in the scope of the claims of the present application.
Claims (9)
1. The utility model provides an electric motor car frame vibrations test device, includes support (1), support (1) include bottom plate (101) and gallows (102), gallows (102) fixed mounting is on bottom plate (101), be provided with the suspension element that is used for suspending electric motor car frame and configuration piece on gallows (102), a serial communication port, be provided with preceding shaking table (2) and back shaking table (3) that are used for supporting electric motor car frame on bottom plate (101), be provided with preceding connecting seat (4) on preceding shaking table (2), symmetry is provided with two back connecting seats (5) on back shaking table (3), just all be provided with mounting (6) on preceding connecting seat (4), two back connecting seats (5).
2. The vibration testing device for the electric vehicle frame according to claim 1, wherein the fixing piece (6) comprises a supporting block (601), an upward opening containing groove (602) is formed in the supporting block (601), after the electric vehicle frame is placed on the front vibration table (2) and the rear vibration table (3), a bolt of the electric vehicle hub is transversely carried in the containing groove (602), the end portion of the electric vehicle hub bolt extends out of the containing groove (602), the fixing piece (6) further comprises a locking nut (603), an inner thread groove (604) is formed in the locking nut (603), the inner thread groove (604) is matched with the electric vehicle hub bolt, an anti-falling rod (605) is fixedly connected to the lower portion of the containing groove (602) and located on the side wall of the supporting block (601), a ring groove (606) is formed in a concentric state in the side wall of the locking nut (603), and after the locking nut (603) is screwed onto the electric vehicle hub, the anti-falling rod (605) is inserted into the ring groove (606).
3. The vibration test device for the electric vehicle frame according to claim 2, wherein an ear plate (607) is fixedly connected to the side wall of the supporting block (601), a plug rod (608) is slidably connected to the side wall of the ear plate (607), a baffle plate (609) is fixedly connected to the side wall of the plug rod (608), a spring (6010) for upwards pushing the plug rod (608) is arranged between the baffle plate (609) and the ear plate (607), a second ring groove (6011) is arranged on the side wall of the locking nut (603), and after the locking nut (603) is screwed on a hub bolt of the electric vehicle, the plug rod (608) is inserted into the second ring groove (6011).
4. A vibration testing apparatus for an electric vehicle frame according to claim 3, wherein the lock nut (603) is chamfered on a contour of an end face near the female screw groove (604), and when the spring (6010) urges the insert rod (608) to a highest position state, an upper end of the insert rod (608) is positioned on the chamfer face.
5. A vibration testing apparatus for an electric vehicle frame according to any one of claims 2-4, wherein the sidewall of the lock nut (603) is provided with a hexagonal driving portion (6012).
6. The vibration test device for the electric vehicle frame according to claim 4, wherein the number of the fixing members (6) on the rear connecting seat (5) is two, the supporting block (601) of any fixing member (6) is fixedly connected to the side wall of the rear connecting seat (5), and the supporting block (601) of the other fixing member (6) is slidably connected to the side wall of the rear connecting seat (5).
7. The vibration testing device for the electric vehicle frame according to claim 6, wherein the upper end opening of the placement groove (602) is in a V-shaped structure with a large upper part and a narrow lower part.
8. The vibration testing device for the frame of the electric vehicle according to claim 1, wherein the front vibration table (2) is fixed on the bottom plate (101), a first slide way (7) is fixedly connected to the upper side surface of the bottom plate (101), the rear vibration table (3) is slidably connected to the first slide way (7), a first screw (8) is rotatably connected to the bottom plate (101), and the rear vibration table (3) is meshed and connected to the first screw (8).
9. The vibration testing device for the electric vehicle frame according to claim 1 or 8, wherein a second slide way (10) is arranged on the rear vibration table (3), the two rear connecting seats (5) are respectively and slidably connected to two ends of the second slide way (10), a second screw rod (11) is rotatably connected above the second slide way (10), and the two rear connecting seats (5) are respectively and meshingly connected to two end positions of the second screw rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126281.0A CN116878795B (en) | 2023-09-04 | 2023-09-04 | Electric motor car frame vibrations test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126281.0A CN116878795B (en) | 2023-09-04 | 2023-09-04 | Electric motor car frame vibrations test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116878795A true CN116878795A (en) | 2023-10-13 |
| CN116878795B CN116878795B (en) | 2023-11-21 |
Family
ID=88262417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311126281.0A Active CN116878795B (en) | 2023-09-04 | 2023-09-04 | Electric motor car frame vibrations test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116878795B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980007103U (en) * | 1996-07-30 | 1998-04-30 | 양재신 | Mounting structure of wheel hub cap for vehicle |
| US20070261499A1 (en) * | 2005-11-03 | 2007-11-15 | James Hamilton | Test system for vehicles |
| CN202158928U (en) * | 2011-07-12 | 2012-03-07 | 北京贝特里戴瑞科技发展有限公司 | Locking device for on-line full-automatic wheel hub dynamic balancing testing machine |
| CN202853905U (en) * | 2012-09-07 | 2013-04-03 | 上海汽车集团股份有限公司 | Vehicle performance and road test bed |
| RU182915U1 (en) * | 2018-05-23 | 2018-09-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | The stand for the study of the twin wheels of vehicles |
| CN113687243A (en) * | 2021-07-26 | 2021-11-23 | 西华大学 | Vibration testing device of hydrogen storage fuel cell for new energy automobile |
-
2023
- 2023-09-04 CN CN202311126281.0A patent/CN116878795B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980007103U (en) * | 1996-07-30 | 1998-04-30 | 양재신 | Mounting structure of wheel hub cap for vehicle |
| US20070261499A1 (en) * | 2005-11-03 | 2007-11-15 | James Hamilton | Test system for vehicles |
| CN202158928U (en) * | 2011-07-12 | 2012-03-07 | 北京贝特里戴瑞科技发展有限公司 | Locking device for on-line full-automatic wheel hub dynamic balancing testing machine |
| CN202853905U (en) * | 2012-09-07 | 2013-04-03 | 上海汽车集团股份有限公司 | Vehicle performance and road test bed |
| RU182915U1 (en) * | 2018-05-23 | 2018-09-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | The stand for the study of the twin wheels of vehicles |
| CN113687243A (en) * | 2021-07-26 | 2021-11-23 | 西华大学 | Vibration testing device of hydrogen storage fuel cell for new energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116878795B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208962780U (en) | A kind of new-energy automobile apparatus for replacing tyre | |
| CN109606293B (en) | Automobile battery and mounting method | |
| CN116878795B (en) | Electric motor car frame vibrations test device | |
| CA2742371C (en) | Mounting arrangement for a v-rod in a vehicle suspension | |
| CN108657262B (en) | Electric control adjusting steering column of automobile | |
| CN112297740A (en) | Suspension adjusting device for light-load AGV and working method | |
| CN209372435U (en) | A kind of bicycle front fork vertical fatigue tester | |
| CN210827292U (en) | Rolling brush supporting wheel limiting mechanism | |
| CN112003221B (en) | Simple and convenient shockproof device for power transmission line | |
| CN212762029U (en) | Nut and plane bearing assembly devices | |
| CN209101538U (en) | A kind of supporting crosspiece of outdoor machine of air-conditioner | |
| CN218662370U (en) | Supplementary change unmanned aerial vehicle for damper operation | |
| CN214186975U (en) | Electric automobile rear suspension dismouting locating bracket | |
| CN219056248U (en) | Axle box for urban rail vehicle | |
| CN203228640U (en) | Automotive power assembly belt power take-off device without tension pulley | |
| CN219239130U (en) | Transportation lifting frame | |
| CN219159453U (en) | Portable belt tensioner | |
| CN217362391U (en) | Cable positioning structure | |
| CN220051606U (en) | Socket wrench | |
| CN219762986U (en) | Layout drawing hanging display rack with fixing function | |
| CN214793785U (en) | Test jig of gear box | |
| CN218546804U (en) | Anti-tilting lamp aging support | |
| CN218453400U (en) | Steady mounting suspension bracket | |
| CN220061390U (en) | Novel screw air compressor convenient to use | |
| CN116215462B (en) | Rear cover grabbing integrated harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |