CN215762766U - Eccentric shaft applied to yaw and pitching forced vibration test device - Google Patents
Eccentric shaft applied to yaw and pitching forced vibration test device Download PDFInfo
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- CN215762766U CN215762766U CN202121896274.5U CN202121896274U CN215762766U CN 215762766 U CN215762766 U CN 215762766U CN 202121896274 U CN202121896274 U CN 202121896274U CN 215762766 U CN215762766 U CN 215762766U
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- eccentric shaft
- eccentric
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Abstract
The utility model discloses an eccentric shaft applied to a yaw and pitching forced vibration test device, which comprises an eccentric shaft main body and an eccentric shaft head detachably assembled on the eccentric shaft main body and used for changing the amplitude of the eccentric shaft main body. When the amplitude of the forced vibration test device is changed, only the eccentric shaft heads with different eccentricity are required to be replaced, so that the replacing steps are simplified, and the time is saved. The utility model is suitable for a device for testing yaw and pitch forced vibration and is used for generating vibration.
Description
Technical Field
The utility model belongs to the technical field of eccentric shafts, and particularly relates to an eccentric shaft applied to a yaw and pitching forced vibration test device.
Background
The eccentric shaft in the existing test device for yaw and pitch forced vibration is designed integrally, and the amplitude of the eccentric shaft is fixed and invariable. In the forced vibration experiment, if the forced vibration that different amplitudes required to realize, just need to change the eccentric shaft of different eccentricity to change the eccentric shaft and just need unpack apart most core spare part of test device, the process is loaded down with trivial details, waste time. In the process of disassembly, the matching relation among the eccentric shaft, the bearing and the bearing seat can be changed, and the test precision and the service life of the test device can be further influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide the eccentric shaft applied to the yaw and pitching forced vibration test device so as to achieve the purpose of realizing the forced vibration with different amplitudes in the same set of test equipment by only replacing the eccentric shaft head.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the eccentric shaft applied to the yaw and pitching forced vibration test device comprises an eccentric shaft main body and an eccentric shaft head which is detachably assembled on the eccentric shaft main body and used for changing the amplitude of the eccentric shaft main body.
As a limitation of the utility model, a groove for fixedly mounting the eccentric shaft head is formed on the end part of the eccentric shaft main body, and a pin for preventing the eccentric shaft head and the eccentric main body from rotating relatively is arranged on the eccentric shaft main body.
As a further limitation of the present invention, the eccentric shaft head comprises a transmission shaft which can be fixedly installed in a groove at the end of the eccentric shaft body, a turntable which is fixedly installed at one end of the transmission shaft and coaxially installed with the transmission shaft, and an input shaft which is fixedly connected with the transmission shaft through the turntable; wherein, the input shaft and the transmission shaft are arranged eccentrically; the outer side wall of the transmission shaft is provided with an embedded groove which can be matched with the pin along the axis of the transmission shaft.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, the eccentric shaft main body and the eccentric shaft head are detachably connected, so that the amplitude of forced vibration can be changed by replacing the eccentric shaft heads with different eccentricity, the whole eccentric shaft is not required to be detached, the replacing process is simple, and the replacing time can be saved. Meanwhile, the matching relation among the eccentric shaft, the bearing and the bearing seat does not need to be adjusted, the precision of the testing device is ensured, and the service life of the testing device can be prolonged.
(2) The embedded groove formed in the transmission shaft can facilitate the insertion of the pin into the embedded groove, and can better avoid the relative sliding between the transmission shaft and the eccentric shaft main body.
Drawings
The utility model is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the eccentric shaft body according to the embodiment of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is a schematic view of the overall structure of the eccentric spindle head according to the embodiment of the present invention.
In the figure: 1. an eccentric shaft main body; 2. a groove; 3. a pin hole; 4. a pin; 5. a drive shaft; 6. a turntable; 7. an input shaft; 8. and (4) caulking grooves.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the description of the preferred embodiment is only for purposes of illustration and understanding, and is not intended to limit the utility model.
Embodiment is an eccentric shaft applied to a yaw and pitch forced vibration test device
The eccentric shaft of this embodiment with original integrated into one piece designs two parts for can dismantling the connection, is convenient for adjust the amplitude of forced vibration. As shown in fig. 1 to 5, the present embodiment includes an eccentric shaft main body 1 and an eccentric shaft head detachably connected to the eccentric shaft main body 1. Wherein, just can realize the change to the forced vibration amplitude through changing the eccentric axle head of different eccentricity, the change process is simple, saves the change time.
The eccentric shaft main body 1 is used for driving the eccentric shaft head to rotate. Specifically, as shown in fig. 3, a groove 2 corresponding to the size of the eccentric shaft head is formed in the end portion of the eccentric shaft main body 1, the eccentric shaft main body 1 and the groove 2 are coaxially arranged, a pin hole 5 communicated with the groove 2 is formed in the side wall of the eccentric shaft main body 1, a pin 4 can penetrate through the pin hole 5 and abut against the eccentric shaft head, and relative sliding between the eccentric shaft main body 1 and the eccentric shaft head can be avoided.
The eccentric shaft head is used for generating vibration. Specifically, as shown in fig. 5, the eccentric spindle head includes a transmission shaft 5, a rotating disc 6 fixed on the transmission shaft 5, and an input shaft 7 fixed at the other end of the rotating disc 6 and eccentrically disposed with respect to the transmission shaft 5. The transmission shaft 5 can be inserted into the groove 2 of the eccentric shaft main body 1, and the transmission shaft 5 is mounted and dismounted on the eccentric shaft main body 1 by means of the pin 4. The transmission shaft 5 sets up with the axle center with carousel 6, transmission shaft 5 and 7 eccentric settings of input shaft, and the diameter size of transmission shaft 5 and input shaft 7 all is less than the diameter size of carousel 6, thereby eccentric shaft main part 1 rotates and drives the eccentric spindle nose and rotates, through the eccentric spindle nose of changing different eccentricity, the eccentric spindle nose of different distances between 7 axes of input shaft and the 5 axes of transmission shaft promptly, can realize the change to the forced vibration amplitude.
Furthermore, an embedding groove 8 is formed in the outer side wall of the transmission shaft 5, specifically, as shown in fig. 5, the embedding groove 8 in the outer side wall of the transmission shaft 5 penetrates through one end, far away from the turntable 6, of the transmission shaft 5, and the pin 4 can be clamped in the embedding groove 8. In the process of installing and dismantling the eccentric shaft head, the eccentric shaft head is moved along the axis direction of the transmission shaft 5, so that the installation and the dismantling of the eccentric shaft head can be completed, the structure is simple, the time for installing and dismantling the eccentric shaft head is saved, the working efficiency is increased, and the relative sliding between the transmission shaft 5 and the eccentric shaft main body 1 can be avoided when the installation and the dismantling are convenient.
When the embodiment is used for adjusting the amplitude of the forced vibration test device, firstly, the test device is closed, and the eccentric shaft head is moved towards the direction far away from one side of the eccentric shaft main body 1 until the eccentric shaft head is completely separated from the eccentric shaft main body 1, so that the eccentric shaft head is disassembled;
then, an eccentric shaft head with required amplitude is replaced, the eccentric shaft head with the required amplitude is moved towards the direction close to one side of the eccentric shaft main body 1, the pin 4 is placed in the embedding groove 8, and after the transmission shaft 5 of the eccentric shaft head is completely clamped in the groove 2, the eccentric shaft head is installed.
The eccentric shaft does not need to be dismounted integrally in the process, the forced vibration amplitude can be adjusted, meanwhile, the matching relation between the eccentric shaft and the bearing seat does not need to be adjusted, the precision of the testing device is guaranteed, and the service life of the testing device can be prolonged.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an eccentric shaft that is applied to in driftage and every single move forced oscillation test device which characterized in that: comprises an eccentric shaft main body and an eccentric shaft head which is detachably assembled on the eccentric shaft main body and is used for changing the amplitude of the eccentric shaft main body.
2. The eccentric shaft applied to a yaw and pitch forced vibration test device according to claim 1, wherein: the eccentric shaft comprises an eccentric shaft body and is characterized in that a groove used for fixedly mounting an eccentric shaft head is formed in the end part of the eccentric shaft body, and a pin used for preventing the eccentric shaft head and the eccentric body from rotating relatively is arranged on the eccentric shaft body.
3. The eccentric shaft applied to a yaw and pitch forced vibration test device according to claim 2, wherein: the eccentric shaft head comprises a transmission shaft which can be fixedly arranged in a groove at the end part of the eccentric shaft main body, a turntable which is fixedly arranged at one end of the transmission shaft and is coaxial with the transmission shaft, and an input shaft which is fixedly connected with the transmission shaft through the turntable; wherein, the input shaft and the transmission shaft are arranged eccentrically; the outer side wall of the transmission shaft is provided with an embedded groove which can be matched with the pin along the axis of the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896274.5U CN215762766U (en) | 2021-08-13 | 2021-08-13 | Eccentric shaft applied to yaw and pitching forced vibration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896274.5U CN215762766U (en) | 2021-08-13 | 2021-08-13 | Eccentric shaft applied to yaw and pitching forced vibration test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762766U true CN215762766U (en) | 2022-02-08 |
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ID=80074379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121896274.5U Active CN215762766U (en) | 2021-08-13 | 2021-08-13 | Eccentric shaft applied to yaw and pitching forced vibration test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762766U (en) |
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2021
- 2021-08-13 CN CN202121896274.5U patent/CN215762766U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: 071000 northwest village of Henan village, Xian Tai Township, Baoding High-tech Zone, Hebei Patentee after: Baoding Kaiborui Technology Co.,Ltd. Address before: 071000 northwest village of Henan village, Xian Tai Township, Baoding High-tech Zone, Hebei Patentee before: BAODING KAIBORUI MACHINERY MANUFACTURING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |