CN214080999U - Fixture for NVH test - Google Patents
Fixture for NVH test Download PDFInfo
- Publication number
- CN214080999U CN214080999U CN202022228164.3U CN202022228164U CN214080999U CN 214080999 U CN214080999 U CN 214080999U CN 202022228164 U CN202022228164 U CN 202022228164U CN 214080999 U CN214080999 U CN 214080999U
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- plate
- fixedly connected
- fixed plate
- pressing plate
- clamp
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 42
- 238000010030 laminating Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses an anchor clamps are used in NVH test relates to NVH test field, including the base, the first fixed plate of upper surface one end fixedly connected with of base, the upper surface other end fixedly connected with second fixed plate of base, the upper end inboard of second fixed plate is provided with the fly leaf, and the fly leaf all is provided with the centre gripping subassembly with one side that first fixed plate is close to each other. The utility model also discloses a method is got to clamp of NVH test jig, including four steps. The utility model has the advantages that the movable servo motor is arranged at the extending plate on the second fixing plate, so that the servo motor can drive the two clamping components to cooperate to rapidly clamp a clamped object through the transmission shaft, and the working efficiency of the device is improved; be provided with first rubber layer on the pressure strip on the centre gripping subassembly, first rubber layer has played preliminary protection and the spacing effect of damping to the centre gripping thing, is provided with movable clamp plate on the pressure strip, and movable clamp plate has improved the stability of this device centre gripping with the centre gripping thing secondary centre gripping.
Description
Technical Field
The utility model relates to a NVH test field, in particular to anchor clamps are used in NVH test.
Background
The popularization of car has brought very big facility for people, simultaneously along with people's improvement of standard of living, people also become higher and higher to car operation requirement, also become the problem of car businessman's key research at car NVH's control, in carrying out vehicle NVH's test, when testing parts such as the transmission shaft to the car, use anchor clamps to fix usually, when carrying out the fixed of anchor clamps, current anchor clamps fixed mode is loaded down with trivial details, be not convenient for use, when using simultaneously, when parts such as adoption pneumatic cylinder step up, the dynamics of pneumatic cylinder is difficult to control, crush the cramp easily, inconvenient use. Therefore, it is necessary to provide a clamp for NVH testing and a clamping method thereof to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor clamps are used in NVH test to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a clamp for NVH tests comprises a base, wherein one end of the upper surface of the base is fixedly connected with a first fixed plate, the other end of the upper surface of the base is fixedly connected with a second fixed plate, a movable plate is arranged on the inner side of the upper end of the second fixed plate, clamping assemblies are arranged on the sides, close to each other, of the movable plate and the first fixed plate, an extension plate is fixedly connected to the outer side of the lower end of the second fixed plate, a servo motor is arranged on the upper surface of the extension plate, the bottom end of the servo motor is movably connected with the extension plate through a linear guide rail, the output end of the servo motor is fixedly connected with a transmission shaft, a threaded through groove is formed in the middle of the second fixed plate in a penetrating mode, one end, away from the servo motor, of the transmission shaft penetrates through the threaded through groove and is movably connected with the middle of the outer side of the movable plate through a bearing, and guide rods are fixedly connected to the two ends of the outer side of the movable plate, the inner side of the second fixing plate is provided with a guide groove matched with the guide rod, and one end, far away from the movable plate, of the guide rod is inserted into the guide groove.
Preferably, the clamping assembly comprises a pressing plate, wherein three first rubber layers are connected to one side of the pressing plate in an adhering mode and are horizontally distributed at equal intervals.
Preferably, the upper side and the lower side of the middle part of the pressure strip are both provided with an empty groove, the bottom of the empty groove is provided with two symmetrically distributed grooves, and the grooves are located between two adjacent first rubber layers.
Preferably, a movable pressing plate is arranged inside the empty groove, one end of the movable pressing plate is movably connected with the inner wall of the empty groove through a pin shaft, and a second rubber layer is connected to one side of the movable pressing plate in a bonding mode.
Preferably, one end of the movable pressing plate is fixedly connected with two guide rods which are symmetrically distributed, the guide rods are matched with the grooves, and one ends, far away from the movable pressing plate, of the guide rods are movably connected with guide wheels through pin shafts.
Preferably, both ends are all fixedly connected with telescopic link about the opposite side of pressure strip, the one end fixed connection first fixed plate or fly leaf that the pressure strip was kept away from to the telescopic link.
Preferably, the laminating is connected with the attaching plate in the opposite side middle part of pressure strip, the outside fixedly connected with of attaching plate is a plurality of buffer spring that are the distribution of rectangular array, buffer spring keeps away from the first fixed plate of one end fixed connection or the fly leaf of attaching plate.
The utility model also discloses a method is got to clamp of above-mentioned test anchor clamps, including following step:
the method comprises the following steps: firstly, placing an object to be clamped between two clamping components, then starting a servo motor, driving a transmission shaft to rotate by the servo motor, and driving the transmission shaft to move by matching the transmission shaft with a threaded through groove so that the servo motor moves on an extension plate through a linear guide rail;
step two: the transmission shaft drives the movable plate to move, the guide rod and the guide groove on the second fixed plate are matched to play a role in guiding, so that the movable plate keeps moving linearly and cannot rotate along with the transmission shaft, the movable plate drives one clamping assembly to move until a pressing plate on the clamping assembly is contacted with a clamped object, and then the pressing plate drives the clamped object to move until the clamped object is contacted with a pressing plate on the other clamping assembly;
step three: the movable plate is continuously driven to move, so that the first rubber layers on the two pressing plates are stressed and deformed, meanwhile, the clamped objects drive the guide rods on the pressing plates to rotate through the guide wheels, the guide rods drive the movable pressing plates to rotate until the second rubber layers on the movable pressing plates are in contact with the clamped objects, and a secondary clamping effect is achieved;
step four: then stop servo motor, at this in-process, telescopic link and the shrink of buffer spring atress on fly leaf and the first fixed plate, the telescopic link is guaranteed the pressure strip and is kept horizontal migration, and buffer spring has played the effect of buffering protection, avoids two too big with the cramp crushing of pressure that the pressure strip cooperation produced.
The utility model discloses a technological effect and advantage:
1. the utility model has the advantages that the movable servo motor is arranged at the extending plate on the second fixing plate, so that the servo motor can drive the two clamping components to cooperate to rapidly clamp a clamped object through the transmission shaft, and the working efficiency of the device is improved;
2. the clamping device has the advantages that the first rubber layer is arranged on the pressing plate on the clamping assembly, the first rubber layer plays a role in primary protection and damping limiting for the clamped object, the movable pressing plate is arranged on the pressing plate, and the movable pressing plate clamps the clamped object secondarily under the action of the guide rod and the guide wheel, so that the clamping stability of the clamping device is improved;
3. the utility model discloses a be provided with attaching plate in the outside of pressure strip, a plurality of buffer spring on the attaching plate have played the effect of buffering protection, avoid two pressure strips cooperation production too big crushing with the cramp.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the clamping assembly of the present invention.
Fig. 3 is a schematic side view of the clamping assembly structure of the present invention.
In the figure: 1. a base; 2. a first fixing plate; 3. a second fixing plate; 4. a movable plate; 5. a clamping assembly; 6. an extension plate; 7. a servo motor; 8. a linear guide rail; 9. a drive shaft; 10. a threaded through slot; 11. a guide bar; 12. a guide groove; 13. a compression plate; 14. a first rubber layer; 15. an empty groove; 16. a groove; 17. a movable pressing plate; 18. a second rubber layer; 19. a guide bar; 20. a guide wheel; 21. a telescopic rod; 22. attaching a plate; 23. a buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a clamp for NVH test as shown in figures 1-3, which is shown in figure 1 and comprises a base 1, wherein one end of the upper surface of the base 1 is fixedly connected with a first fixed plate 2, the other end of the upper surface of the base 1 is fixedly connected with a second fixed plate 3, the inner side of the upper end of the second fixed plate 3 is provided with a movable plate 4, one side of the movable plate 4, which is close to the first fixed plate 2, is provided with a clamping component 5, the two clamping components 5 are matched to clamp and limit a clamped object, the outer side of the lower end of the second fixed plate 3 is fixedly connected with an extension plate 6, the upper surface of the extension plate 6 is provided with a servo motor 7, the bottom end of the servo motor 7 is movably connected with the extension plate 6 through a linear guide rail 8, the linear guide rail 8 enables the servo motor 7 to move on the extension plate 6, the output end of the servo motor 7 is fixedly connected with a transmission shaft 9, threaded through groove 10 has been run through at the middle part of second fixed plate 3, the one end that servo motor 7 was kept away from to transmission shaft 9 runs through threaded through groove 10 and through bearing and fly leaf 4's outside middle part swing joint, transmission shaft 9 and the cooperation of threaded through groove 10 can drive fly leaf 4 and remove, the equal fixedly connected with guide bar 11 in the outside both ends of fly leaf 4, guide way 12 with guide bar 11 looks adaptation is seted up to the inboard of second fixed plate 3, the guide bar 11 is kept away from the one end of fly leaf 4 and is inserted in guide way 12, guide bar 11 and the cooperation of guide way 12 have played the effect of direction, make fly leaf 4 keep linear movement, can not rotate along with transmission shaft 9.
As shown in fig. 2 and 3, the clamping assembly 5 includes a pressing plate 13, three first rubber layers 14 are bonded and connected to one side of the pressing plate 13, the three first rubber layers 14 are horizontally distributed at equal intervals, the three first rubber layers 14 are matched to play a role in preliminary protection and damping limitation for a clamped object, empty slots 15 are respectively formed in the upper and lower sides of the middle of the pressing plate 13, two symmetrically distributed grooves 16 are formed in the bottoms of the empty slots 15, the grooves 16 are located between the two adjacent first rubber layers 14, a movable pressing plate 17 is arranged inside the empty slots 15, one end of the movable pressing plate 17 is movably connected with the inner wall of the empty slot 15 through a pin shaft, a second rubber layer 18 is bonded and connected to one side of the movable pressing plate 17, the second rubber layer 18 plays a role in further buffering protection, two symmetrically distributed guide rods 19 are fixedly connected to one end of the movable pressing plate 17, and the guide rods 19 are matched with the grooves 16, one end of the guide rod 19 far away from the movable press plate 17 is movably connected with a guide wheel 20 through a pin shaft, the guide rod 19 and the guide wheel 20 are matched to drive the movable press plate 17 to rotate, make movable pressing plate 17 can carry out the secondary centre gripping to the centre gripping thing, the equal fixedly connected with telescopic link 21 in both ends about the opposite side of pressure strip 13, the first fixed plate of one end fixed connection 2 or fly leaf 4 of pressure strip 13 are kept away from to telescopic link 21, the effect of direction has been played in the setting of telescopic link 21, guarantee that pressure strip 13 keeps horizontal migration, the laminating of the opposite side middle part of pressure strip 13 is connected with attaching plate 22, a plurality of buffer spring 23 that are the rectangle array and distribute of outside fixedly connected with of attaching plate 22, buffer spring 23 keeps away from the first fixed plate of one end fixed connection 2 or fly leaf 4 of attaching plate 22, buffer spring 23's setting has played the effect of buffering protection, can avoid two pressure strips 13 cooperation production too big to crush the centre gripping thing.
The utility model also discloses a method is got to clamp of NVH test anchor clamps, including following step:
the method comprises the following steps: firstly, placing an object to be clamped between two clamping assemblies 5, then starting a servo motor 7, driving a transmission shaft 9 to rotate by the servo motor 7, and driving the transmission shaft 9 to move by the cooperation of the transmission shaft 9 and a threaded through groove 10, so that the servo motor 7 moves on an extension plate 6 through a linear guide rail 8;
step two: the transmission shaft 9 drives the movable plate 4 to move, the guide rod 11 and the guide groove 12 on the second fixed plate 3 are matched to play a role in guiding, so that the movable plate 4 keeps moving linearly and cannot rotate along with the transmission shaft 9, the movable plate 4 drives one clamping assembly 5 to move until the pressing plate 13 on the clamping assembly 5 is contacted with a clamped object, and then the pressing plate 13 drives the clamped object to move until the clamped object is contacted with the pressing plate 13 on the other clamping assembly 5;
step three: the movable plate 4 is continuously driven to move, so that the first rubber layers 14 on the two compression plates 13 are stressed and deformed, meanwhile, clamped objects drive the guide rods 19 on the compression plates 13 to rotate through the guide wheels 20, the guide rods 19 drive the movable compression plates 17 to rotate until the second rubber layers 18 on the movable compression plates 17 are in contact with the clamped objects, and a secondary clamping effect is achieved;
step four: then, the servo motor 7 is stopped, in the process, the telescopic rods 21 and the buffer springs 23 on the movable plate 4 and the first fixing plate 2 are stressed and contracted, the telescopic rods 21 ensure that the pressing plates 13 keep moving horizontally, and the buffer springs 23 play a role in buffer protection, so that the phenomenon that the clamped objects are crushed due to overlarge pressure generated by the matching of the two pressing plates 13 is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a anchor clamps are used in NVH test, includes base (1), its characterized in that: the utility model discloses a clamp for the drilling machine, including base (1), upper surface one end fixedly connected with first fixed plate (2) of base (1), the upper surface other end fixedly connected with second fixed plate (3) of base (1), the upper end inboard of second fixed plate (3) is provided with fly leaf (4), one side that fly leaf (4) and first fixed plate (2) are close to each other all is provided with centre gripping subassembly (5), the lower extreme outside fixedly connected with extension board (6) of second fixed plate (3), the upper surface of extension board (6) is provided with servo motor (7), linear guide (8) and extension board (6) swing joint are passed through to the bottom of servo motor (7), the output fixedly connected with transmission shaft (9) of servo motor (7), the middle part of second fixed plate (3) is run through and is seted up screw thread through groove (10), the one end that servo motor (7) were kept away from to transmission shaft (9) runs through screw thread through groove (10) and through bearing and fly leaf (2), (3) 4) The outer side middle part swing joint, the equal fixedly connected with guide bar (11) in the outside both ends of fly leaf (4), guide way (12) with guide bar (11) looks adaptation are seted up to the inboard of second fixed plate (3), the one end that fly leaf (4) were kept away from in guide bar (11) inserts guide way (12).
2. The clamp for the NVH test according to claim 1, wherein: the clamping assembly (5) comprises a pressing plate (13), wherein one side of the pressing plate (13) is connected with three first rubber layers (14) in an adhering mode, and the three first rubber layers (14) are distributed horizontally at equal intervals.
3. The clamp for the NVH test according to claim 2, wherein: the upper side and the lower side of the middle of the pressing plate (13) are both provided with an empty groove (15), the bottom of the empty groove (15) is provided with two symmetrically distributed grooves (16), and the grooves (16) are located between two adjacent first rubber layers (14).
4. The clamp for the NVH test according to claim 3, wherein: a movable pressing plate (17) is arranged inside the empty groove (15), one end of the movable pressing plate (17) is movably connected with the inner wall of the empty groove (15) through a pin shaft, and a second rubber layer (18) is connected to one side of the movable pressing plate (17) in an adhering mode.
5. The clamp for the NVH test according to claim 4, wherein: one end of the movable pressing plate (17) is fixedly connected with two guide rods (19) which are symmetrically distributed, the guide rods (19) are matched with the grooves (16), and one ends, far away from the movable pressing plate (17), of the guide rods (19) are movably connected with guide wheels (20) through pin shafts.
6. The clamp for the NVH test according to claim 5, wherein: the upper end and the lower end of the other side of the pressing plate (13) are fixedly connected with telescopic rods (21), and one end, far away from the pressing plate (13), of each telescopic rod (21) is fixedly connected with the first fixing plate (2) or the movable plate (4).
7. The clamp for the NVH test according to claim 6, wherein: the laminating of opposite side middle part of pressure strip (13) is connected with attaching plate (22), a plurality of buffer spring (23) that are the distribution of rectangle array of outside fixedly connected with of attaching plate (22), buffer spring (23) are kept away from the first fixed plate of one end fixed connection (2) or fly leaf (4) of attaching plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228164.3U CN214080999U (en) | 2020-10-09 | 2020-10-09 | Fixture for NVH test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228164.3U CN214080999U (en) | 2020-10-09 | 2020-10-09 | Fixture for NVH test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214080999U true CN214080999U (en) | 2021-08-31 |
Family
ID=77442820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228164.3U Withdrawn - After Issue CN214080999U (en) | 2020-10-09 | 2020-10-09 | Fixture for NVH test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214080999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140031A (en) * | 2020-10-09 | 2020-12-29 | 桂林电子科技大学 | Clamp for NVH test and clamping method thereof |
-
2020
- 2020-10-09 CN CN202022228164.3U patent/CN214080999U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140031A (en) * | 2020-10-09 | 2020-12-29 | 桂林电子科技大学 | Clamp for NVH test and clamping method thereof |
| CN112140031B (en) * | 2020-10-09 | 2024-03-26 | 桂林电子科技大学 | Clamp for NVH test and clamping method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210831 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210831 Effective date of abandoning: 20240326 |