CN214407949U - Low-frequency large-displacement jolting test bed - Google Patents
Low-frequency large-displacement jolting test bed Download PDFInfo
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- CN214407949U CN214407949U CN202120709027.3U CN202120709027U CN214407949U CN 214407949 U CN214407949 U CN 214407949U CN 202120709027 U CN202120709027 U CN 202120709027U CN 214407949 U CN214407949 U CN 214407949U
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Abstract
The utility model belongs to the technical field of vibration test equipment and discloses a low-frequency large-displacement jolting test bed, wherein a base is arranged at the bottom side of a box body, and a motor mounting seat is fixed on the base; a rotating motor is fixed on the motor mounting seat, and an output shaft of the rotating motor is connected with the rotating disc through a connecting key; the offset position on the rotating disc is connected with the connecting rod through a hinge, a pin cylinder is fixed on the upper side of the connecting rod, and the pin cylinder is connected with the connecting seat through a pin shaft; a rear end support rod and a front end support rod are fixed on the upper side of the box body, a cross rod is fixed between the rear end support rods, and a lighting lamp is fixed on the cross rod; the rear end support rod and the front end support rod are respectively provided with a slide block, the slide blocks are welded with the vibration plate, and the vibration plate is provided with a product mounting structure. The utility model can effectively simulate the low-frequency large-displacement jolt vibration in a real state; the utility model discloses can effectively fix the product to the installation is predetermined reciprocates the orbit, carries out the big displacement of low frequency jolt vibration test to the product.
Description
Technical Field
The utility model belongs to the technical field of vibration test equipment, especially, relate to a big displacement of low frequency top vibration test bench.
Background
At present, with the increase of production level, vibration test is required to be performed on products. Wherein the reciprocating motion of an object or mass point relative to a balance position is called vibration. The vibration is divided into sinusoidal vibration, random vibration, composite vibration, scanning vibration and fixed frequency vibration. The main parameters describing the vibration are amplitude, velocity, vibration and acceleration. Testing of physical or modeled vibration systems in the field or laboratory. A vibration system is a mass elastic system excited by a vibration source, such as a machine, structure or component thereof, a biological body, or the like. The vibration test is developed from the aerospace department, is popularized to various industrial departments such as power machinery, transportation, buildings and the like, and has increasingly wide application in the aspects of environmental protection and labor protection. The vibration test comprises the contents of response measurement, dynamic characteristic parameter determination, load identification, vibration environment test and the like. In a product vibration test, low-frequency large-displacement jolt vibration is one vibration test in the vibration test. In order to test the safety of a product in the low-frequency large-displacement vibration process, the low-frequency large-displacement vibration test bed plays a critical role. But because the rotation motor passes through the belt and the gear is connected with the vibration board in the big displacement of current low frequency jolt test bench, reduced the authenticity of simulating real big displacement of low frequency jolt. Meanwhile, the existing low-frequency large-displacement jolting test bed cannot effectively fix a product in the using process, and the product is easy to damage due to the gap between the product and the vibrating plate.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) because the rotation motor passes through the belt and the gear is connected with the vibration board in the big displacement of current low frequency jolting test bench, reduced the authenticity of simulating real big displacement of low frequency jolting.
(2) The existing low-frequency large-displacement jolting test bed cannot effectively fix a product in the using process, and a gap is formed between the product and a vibrating plate, so that the product is easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a low frequency large displacement jolting test bench.
The utility model is realized in such a way that the low-frequency large-displacement jolting test bed is provided with a box body; a base is arranged at the bottom side of the box body, and a motor mounting seat is fixed on the base;
a rotating motor is fixed on the motor mounting seat, and an output shaft of the rotating motor is connected with the rotating disc through a connecting key;
the offset position on the rotating disc is connected with the connecting rod through a hinge, a pin cylinder is fixed on the upper side of the connecting rod, and the pin cylinder is connected with the connecting seat through a pin shaft;
a rear end support rod and a front end support rod are fixed on the upper side of the box body, a cross rod is fixed between the rear end support rods, and a lighting lamp is fixed on the cross rod;
the rear end support rod and the front end support rod are respectively provided with a slide block, the slide blocks are welded with the vibration plate, and the vibration plate is provided with a product mounting structure.
Further, the product mounting structure is provided with a product mounting seat, the product mounting seat is provided with a placing groove, and a rubber pad is pasted in the placing groove.
Furthermore, a fixing plate is fixed at the left end of the placing groove through a pin shaft, a fastening bolt and a clamping bolt are fixed on the fixing plate through threaded holes, and a rubber disc is arranged at the end part of the clamping bolt.
Furthermore, the rear end support rod and the front end support rod are respectively provided with a slideway.
Further, the slider is respectively sleeved on the rear end supporting rod and the front end supporting rod, the slider is provided with a block body, and a through hole is formed in the block body.
Further, through-hole both sides position is provided with the mounting groove, and the mounting groove is inside to be fixed with the gyro wheel through the pivot.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
the output shaft of the rotating motor of the utility model is connected with the rotating disc through the connecting key; the offset position on the rotating disc is connected with the connecting rod through a hinge, a pin cylinder is fixed on the upper side of the connecting rod and connected with the connecting seat through a pin shaft, and therefore low-frequency large-displacement jolting vibration in a real state can be effectively simulated. The utility model discloses be fixed with rear end support pole and front end support pole at the box upside, be fixed with the horizontal pole between the rear end support pole, be fixed with the light on the horizontal pole, avoid the light dark, influence the installation of product. Simultaneously the utility model discloses be provided with the slider on well rear end bracing piece and the front end bracing piece respectively, slider and vibration board welding are provided with product mounting structure on the vibration board, effectively fix the product to the installation is predetermine and is reciprocated the orbit, carries out the big displacement of low frequency top vibration test to the product.
The utility model discloses well product mounting structure is provided with the product mount pad, and the product mount pad is provided with the standing groove, and the standing groove is inside to be pasted there is the rubber pad, realizes the fixed of product.
The left end of the placing groove is fixed with a fixed plate through a pin shaft, the fixed plate is fixed with a fastening bolt and a clamping bolt through threaded holes, and the end part of the clamping bolt is provided with a rubber disc, so that a product can be effectively fixed, and a gap between the product and a vibrating plate is prevented; during the vibration test, the product was damaged.
The utility model discloses be provided with the slide on well rear end bracing piece and the front end bracing piece respectively, make the slider move according to predetermined orbit.
The utility model discloses well rear end bracing piece and front end bracing piece have cup jointed the slider respectively, and the slider is provided with the block, and the block is inside to be provided with the through-hole, makes things convenient for passing of bracing piece.
The utility model discloses well through-hole both sides position is provided with the mounting groove, and the mounting groove is inside to be fixed with the gyro wheel through the pivot, avoids slider and bracing piece to produce violent friction and noise.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a low-frequency large-displacement pitch test bed provided by the embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a box body provided by the embodiment of the present invention.
Fig. 3 is a schematic structural view of a slider and a front end support rod provided by the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a slide according to an embodiment of the present invention.
Fig. 5 is a schematic view of a structure of a product mounting structure provided by an embodiment of the present invention.
In the figure: 1. a box body; 2. a connecting seat; 3. a vibrating plate; 4. a product mounting structure; 5. a rear end support bar; 6. a front end support bar; 7. an illuminating lamp; 8. a slider; 9. a base; 10. a motor mounting seat; 11. rotating the motor; 12. rotating the disc; 13. a connecting rod; 14. a pin barrel; 15. a block body; 16. mounting grooves; 17. a roller; 18. a slideway; 19. a product mounting seat; 20. a rubber pad; 21. a pin shaft; 22. a fixing plate; 23. a placement groove; 24. fastening a bolt; 25. and clamping the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a low frequency large displacement top vibration test bench, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1-2, in order to realize the low-frequency large displacement pitch test of the product; the utility model discloses 1 upside of well box is fixed with rear end support pole 5 and front end support pole 6, is fixed with the horizontal pole between the rear end support pole 5, is fixed with light 7 on the horizontal pole, realizes corresponding illumination function. The rear end support rod 5 and the front end support rod 6 are respectively provided with a slide block 8, the slide blocks 8 are welded with the vibration plate 3, and the vibration plate 3 is provided with a product mounting structure 4. In order to realize a low-frequency large displacement pitch motion of the vibration plate 3. The utility model is provided with a base 9 at the bottom side of the box body 1, a motor mounting seat 10 is fixed on the base 9, a rotating motor 11 is fixed on the motor mounting seat 10, and an output shaft of the rotating motor is connected with a rotating disc 12 through a connecting key; the offset position on the rotating disc 12 is connected with a connecting rod 13 through a hinge, a pin cylinder is fixed on the upper side of the connecting rod 13 and is connected with the connecting seat 2 through a pin shaft. When a low-frequency large-displacement pitch test is carried out, the rotating motor 11 is started to drive the rotating disc 12 to rotate, and then low-frequency large-displacement pitch vibration motion of the vibrating plate 3 is realized.
As shown in fig. 3 to 4, in order to assist the vibration plate 3 to perform low frequency large displacement pitch vibration downward and upward. In the utility model, the middle and rear end support rods 5 and the front end support rod 6 are respectively provided with a slideway 18; the rear end support rod 5 and the front end support rod 6 are respectively sleeved with a sliding block 8, the sliding block 8 is provided with a block body 15, and a through hole is formed in the block body 15; through-hole both sides position is provided with mounting groove 16, and mounting groove 16 is inside to be fixed with gyro wheel 17 through the pivot, avoids because the big displacement of low frequency is jolt and shakes, and vibration board 13 breaks away from the orbit of reciprocating of settlement.
As shown in fig. 5, in order to achieve stable fixation of the product. The utility model discloses a product mounting structure 4 is provided with a product mounting seat 19, the product mounting seat 19 is provided with a placing groove 23, and a rubber pad 20 is pasted inside the placing groove 23; the left end of the placing groove 23 is fixed with a fixing plate 22 through a pin 21, the fixing plate 22 is fixed with a fastening bolt 24 and a clamping bolt 25 through a threaded hole, wherein a rubber disc is arranged at the end part of the clamping bolt 25 and is extruded and fixed with a product. Placing the product in the placing groove 23, and placing the fixing plate 22 on the upper side of the product; the product is extruded and fixed by screwing the clamping bolt 25; while the fixing plate 22 is fixed by fastening bolts 24.
The utility model discloses a theory of operation does: placing the product in the placing groove 23, and placing the fixing plate 22 on the upper side of the product; the product is extruded and fixed by screwing the clamping bolt 25; while the fixing plate 22 is fixed by fastening bolts 24. When a low-frequency large-displacement pitch test is carried out, the rotating motor 11 is started to drive the rotating disc 12 to rotate, and then low-frequency large-displacement pitch vibration motion of the vibrating plate 3 is realized.
The above description is only for the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present invention within the technical scope of the present invention, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention.
Claims (6)
1. The utility model provides a big displacement of low frequency top vibration test bench which characterized in that, big displacement of low frequency top vibration test bench is provided with:
a box body;
a base is arranged at the bottom side of the box body, and a motor mounting seat is fixed on the base;
a rotating motor is fixed on the motor mounting seat, and an output shaft of the rotating motor is connected with the rotating disc through a connecting key;
the offset position on the rotating disc is connected with the connecting rod through a hinge, a pin cylinder is fixed on the upper side of the connecting rod, and the pin cylinder is connected with the connecting seat through a pin shaft;
a rear end support rod and a front end support rod are fixed on the upper side of the box body, a cross rod is fixed between the rear end support rods, and a lighting lamp is fixed on the cross rod;
the rear end support rod and the front end support rod are respectively provided with a slide block, the slide blocks are welded with the vibration plate, and the vibration plate is provided with a product mounting structure.
2. The low-frequency large-displacement pitch test bed as claimed in claim 1, wherein the product mounting structure is provided with a product mounting seat, the product mounting seat is provided with a placing groove, and a rubber pad is stuck inside the placing groove.
3. The low-frequency large-displacement pitch test bed as claimed in claim 2, wherein the left end of the placement groove is fixed with a fixing plate through a pin shaft, the fixing plate is fixed with a fastening bolt and a clamping bolt through threaded holes, and a rubber disc is arranged at the end part of the clamping bolt.
4. The low frequency large displacement pitch test bed as claimed in claim 1, wherein the back end support bar and the front end support bar are respectively provided with a slide way.
5. The low-frequency large-displacement pitch test bed as claimed in claim 1, wherein the back end support bar and the front end support bar are respectively sleeved with a slide block, the slide block is provided with a block body, and a through hole is arranged in the block body.
6. The low frequency large displacement pitch test bed as claimed in claim 5, wherein mounting grooves are provided at both sides of the through hole, and rollers are fixed inside the mounting grooves by means of rotating shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120709027.3U CN214407949U (en) | 2021-04-07 | 2021-04-07 | Low-frequency large-displacement jolting test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120709027.3U CN214407949U (en) | 2021-04-07 | 2021-04-07 | Low-frequency large-displacement jolting test bed |
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| CN214407949U true CN214407949U (en) | 2021-10-15 |
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| CN202120709027.3U Active CN214407949U (en) | 2021-04-07 | 2021-04-07 | Low-frequency large-displacement jolting test bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088415A (en) * | 2021-11-19 | 2022-02-25 | 西安航空学院 | Automobile vibration testing device |
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2021
- 2021-04-07 CN CN202120709027.3U patent/CN214407949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088415A (en) * | 2021-11-19 | 2022-02-25 | 西安航空学院 | Automobile vibration testing device |
| CN114088415B (en) * | 2021-11-19 | 2023-08-22 | 西安航空学院 | Automobile vibration testing device |
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