CN213956716U - Based on LMS test bench vibration test equipment - Google Patents
Based on LMS test bench vibration test equipment Download PDFInfo
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- CN213956716U CN213956716U CN202022704825.5U CN202022704825U CN213956716U CN 213956716 U CN213956716 U CN 213956716U CN 202022704825 U CN202022704825 U CN 202022704825U CN 213956716 U CN213956716 U CN 213956716U
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Abstract
The utility model discloses a test bench vibration test device based on LMS, which comprises a workbench, wherein the left end and the right end of the workbench are internally provided with first chutes, the workbench is connected with fixed sliders through the first chutes in a sliding manner, a sliding rod and a second vibration exciter are fixedly connected between the two fixed sliders, the front surface and the rear surface of the sliding rod are provided with limiting grooves, and the sliding rod is connected with a sliding block through the limiting grooves in a sliding manner; the lower surface of sliding block is through first vibration exciter fixedly connected with fixed plate down, the inside of fixed plate is provided with a plurality of fixed orificess, the inside of fixed orificess is provided with the screw thread, the lower fixed surface of workstation is connected with the base. The utility model discloses in, through fixed slider and sliding block, can carry out horizontal and fore-and-aft vibration test simultaneously, the fixed plate that contains a plurality of fixed orificess can with cooperation such as clamping piece, bolt, fix a plurality of vibrating parts simultaneously, improved the efficiency of test greatly.
Description
Technical Field
The utility model relates to a test equipment field especially relates to a vibration test equipment based on LMS test bench.
Background
Vibration is a phenomenon generally existing in the technical field of engineering, equipment faults and part damage are mostly related to vibration, and in order to ensure normal operation of equipment, simulation and analysis of various working conditions of the equipment are usually carried out in a test mode. The vibration test bed provides various vibration environments required by the test piece, vibration tests are carried out on different test pieces, weak links of the tested piece are found out through test analysis, and then the reason why the test piece has problems is found out, so that an effective improvement method can be provided. Therefore, the design of the vibration test bed which has high precision and strong practicability and meets the engineering requirements has important significance.
The vibration test bed is a machine used for simulating the vibration and collision processes of products, and results which may appear in reality can be truly simulated through the control of the control system. Therefore, it is very practical in the process of producing the inspection product. However, the traditional vibration testing equipment is too large in size, is matched with a testing room for use, is expensive, and is inconvenient for a small laboratory to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the vibration test equipment based on LMS test bench that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the vibration exciter comprises a workbench, wherein first sliding grooves are formed in the left end and the right end of the workbench respectively, the workbench is connected with fixed sliding blocks in a sliding mode through the first sliding grooves, a sliding rod and a second vibration exciter are fixedly connected between the two fixed sliding blocks, limiting grooves are formed in the front surface and the rear surface of the sliding rod respectively, and the sliding rod is connected with the sliding blocks in a sliding mode through the limiting grooves;
the lower surface of the sliding block is fixedly connected with a fixing plate through a lower first vibration exciter, a plurality of fixing holes are uniformly formed in the fixing plate, threads are formed in the fixing holes, the fixing plate is symmetrical relative to the lower first vibration exciter, and the upper surface of the sliding block is fixedly connected with an upper first vibration exciter;
the lower fixed surface of workstation is connected with the base, the lower fixed surface of base is connected with the universal wheel, the inside of universal wheel is provided with braking structure.
As a further description of the above technical solution:
the fixed slider is kept away from the fixed gear box that is provided with of one side of workstation, the one side fixedly connected with servo motor of keeping away from fixed slider of gear box.
As a further description of the above technical solution:
the inside of fixed slider is provided with two through-holes, the inside of through-hole is provided with first bull stick, the one end fixedly connected with pulley that first bull stick is close to the workstation.
As a further description of the above technical solution:
the upper surface of the left fixed sliding block is fixedly connected with a driving motor, and an output end of the driving motor is provided with a driving belt.
As a further description of the above technical solution:
the upper surface of the fixed sliding block on the right side is fixedly connected with a fixing frame, a second rotating rod is rotatably connected inside the fixing frame, a rotating wheel is fixedly connected to the side wall of the second rotating rod, and the driving belt is arranged at a groove of the rotating wheel.
As a further description of the above technical solution:
the fixed sliding block is provided with a groove close to the workbench, and one surface of the groove, far away from the workbench, is fixedly connected with a convex block.
As a further description of the above technical solution:
the output end of the servo motor is connected with the input end of the gear box, and the two output ends of the gear box are fixedly connected with the two first rotating rods respectively.
As a further description of the above technical solution:
and the control ends of the servo motor and the driving motor are connected with the LMS vibration controller.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this based on LMS test bench vibration test equipment has set up fixed slider and sliding block, can carry out horizontal and fore-and-aft vibration test simultaneously, carries out data acquisition through LMS vibration collection appearance, can make vibration test's scope greatly increased.
2. Compared with the prior art, the LMS test bench based vibration test equipment is provided with the fixing plate internally provided with the plurality of fixing holes, can be matched with clamping pieces, bolts and the like, and meanwhile fixes the plurality of vibrating pieces, so that the test efficiency is greatly improved.
3. Compared with the prior art, this based on LMS test bench vibration test equipment has set up the universal wheel at base lower surface, can be more nimble when removing the turn, makes things convenient for the removal of device, alleviates work burden.
4. Compared with the prior art, the LMS test bench based vibration test equipment is simple in structure, convenient to operate, and capable of being operated by a fast adaptation device, so that the working efficiency is greatly improved.
Drawings
Fig. 1 is a schematic diagram of a LMS-based test bench vibration testing apparatus provided by the present invention;
fig. 2 is a schematic view of a fixed slider based on the LMS test bed vibration testing apparatus provided by the present invention;
fig. 3 is a schematic view of a workbench based on the LMS test stand vibration testing apparatus provided by the present invention;
fig. 4 is the utility model provides a fixed plate schematic diagram based on LMS test bench vibration test equipment.
Illustration of the drawings:
1. a base; 2. a first chute; 3. fixing the sliding block; 4. a slide bar; 5. a limiting groove; 6. a work table; 7. a through hole; 8. a servo motor; 9. a gear case; 10. a first rotating lever; 11. a pulley; 12. a bump; 13. a lower first vibration exciter; 14. a fixing hole; 15. a fixing plate; 16. a slider; 17. a transmission belt; 18. a rotating wheel; 19. a second rotating rod; 20. a fixed mount; 21. a drive motor; 22. a universal wheel; 23. An upper first vibration exciter; 24. and the second vibration exciter.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: including workstation 6, its characterized in that: the left end and the right end of the workbench 6 are internally provided with first sliding grooves 2, the workbench 6 is connected with fixed sliding blocks 3 in a sliding mode through the first sliding grooves 2, a sliding rod 4 and a second vibration exciter 24 are fixedly connected between the two fixed sliding blocks 3, limiting grooves 5 are formed in the front surface and the rear surface of the sliding rod 4, and the sliding rod 4 is connected with a sliding block 16 in a sliding mode through the limiting grooves 5;
the lower surface of the sliding block 16 is fixedly connected with a fixing plate 15 through the lower first vibration exciter 13, a plurality of fixing holes 14 are uniformly formed in the fixing plate 15, threads are formed in the fixing holes 14, and the fixing plate 15 is symmetrical about the lower first vibration exciter 13.
The lower fixed surface of workstation 6 is connected with base 1, and the lower fixed surface of base 1 is connected with universal wheel 22, and the inside of universal wheel 22 is provided with braking structure.
The fixed gear box 9 that is provided with in one side that workstation 6 was kept away from to solid fixed sliding block 3 for make servo motor 8 drive two first bull sticks 10 and rotate, the one side fixedly connected with servo motor 8 of solid fixed sliding block 3 of keeping away from of gear box 9, solid fixed sliding block 3's inside is provided with two through-holes 7, and the inside of through-hole 7 is provided with first bull stick 10, and first bull stick 10 is close to the one end fixedly connected with pulley 11 of workstation 6. The output end of the servo motor 8 is connected with the input end of the gear box 9, and two output ends of the gear box 9 are respectively fixedly connected with the two first rotating rods 10.
Fixed surface is connected with driving motor 21 on left stationary block 3, driving motor 21's output is provided with drive belt 17, fixed surface is connected with mount 20 on right stationary block 3, mount 20's internal rotation is connected with second bull stick 19, the lateral wall fixedly connected with runner 18 of second bull stick 19, the setting of drive belt 17 is in the groove of runner 18, stationary block 3 is close to being provided with the recess of workstation 6, the one side fixedly connected with lug 12 of workstation 6 of keeping away from of recess, go up first vibration exciter 23, second vibration exciter 24, servo motor 8 all is connected with LMS vibration control appearance with driving motor 21's control end, additionally, can also set up the sensor on the part, be connected sensor and LMS vibration control appearance.
The working principle is as follows: at first through the clamping piece, the bolt etc. is fixed with test piece and fixed plate 15, then through operation LMS vibration control appearance, the transmission signal is given servo motor 8 and driving motor 21, servo motor 8 receives the gear drive that can drive in the gear box 9 behind the signal, the gear drives first bull stick 10 and rotates, first bull stick 10 makes pulley 11 remove in first spout 2, longitudinal vibration has been realized, driving motor 21 drives drive belt 17 and rotates, drive belt 17 drives sliding block 16 and carries out lateral shifting, realize lateral vibration, carry out y direction sinusoidal vibration through last first vibration exciter 23, carry out the sinusoidal vibration of x direction through second vibration exciter 24.
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 (8)
1. A vibration testing device based on an LMS test bench comprises a workbench (6), and is characterized in that: the left end and the right end of the workbench (6) are internally provided with first sliding grooves (2), the workbench (6) is connected with fixed sliding blocks (3) in a sliding mode through the first sliding grooves (2), a sliding rod (4) and a second vibration exciter (24) are fixedly connected between the two fixed sliding blocks (3), the front surface and the rear surface of the sliding rod (4) are provided with limiting grooves (5), and the sliding rod (4) is connected with sliding blocks (16) in a sliding mode through the limiting grooves (5);
the lower surface of the sliding block (16) is fixedly connected with a fixing plate (15) through a lower first vibration exciter (13), a plurality of fixing holes (14) are uniformly formed in the fixing plate (15), threads are formed in the fixing holes (14), the fixing plate (15) is symmetrical relative to the lower first vibration exciter (13), and the upper surface of the sliding block (16) is fixedly connected with an upper first vibration exciter (23);
the lower fixed surface of workstation (6) is connected with base (1), the lower fixed surface of base (1) is connected with universal wheel (22), the inside of universal wheel (22) is provided with braking structure.
2. An LMS-based test stand vibration testing apparatus according to claim 1, wherein: the fixed gear box (9) that is provided with of one side of workstation (6) is kept away from in solid fixed slider (3), the one side fixedly connected with servo motor (8) of keeping away from solid fixed slider (3) of gear box (9).
3. An LMS-based test stand vibration testing apparatus according to claim 1, wherein: the inside of solid fixed sliding block (3) is provided with two through-holes (7), the inside of through-hole (7) is provided with first bull stick (10), one end fixedly connected with pulley (11) that first bull stick (10) are close to workstation (6).
4. An LMS-based test stand vibration testing apparatus according to claim 1, wherein: the upper surface of the left fixed sliding block (3) is fixedly connected with a driving motor (21), and an output end of the driving motor (21) is provided with a driving belt (17).
5. An LMS-based test stand vibration testing apparatus according to claim 4, wherein: the upper surface of the fixed sliding block (3) on the right side is fixedly connected with a fixing frame (20), the fixing frame (20) is rotatably connected with a second rotating rod (19), the side wall of the second rotating rod (19) is fixedly connected with a rotating wheel (18), and a driving belt (17) is arranged at a groove of the rotating wheel (18).
6. An LMS-based test stand vibration testing apparatus according to claim 1, wherein: the fixed sliding block (3) is close to the groove formed in the workbench (6), and one surface, far away from the workbench (6), of the groove is fixedly connected with the convex block (12).
7. An LMS-based test stand vibration testing apparatus according to claim 2, wherein: the output end of the servo motor (8) is connected with the input end of the gear box (9), and the two output ends of the gear box (9) are fixedly connected with the two first rotating rods (10) respectively.
8. An LMS-based test stand vibration testing apparatus according to claim 2, wherein: and the control ends of the upper first vibration exciter (23), the second vibration exciter (24), the servo motor (8) and the driving motor (21) are connected with the LMS vibration controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704825.5U CN213956716U (en) | 2020-11-20 | 2020-11-20 | Based on LMS test bench vibration test equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022704825.5U CN213956716U (en) | 2020-11-20 | 2020-11-20 | Based on LMS test bench vibration test equipment |
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| CN213956716U true CN213956716U (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465857A (en) * | 2021-09-01 | 2021-10-01 | 江苏摩信工业系统有限公司 | Transverse vibration testing machine for fastener |
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2020
- 2020-11-20 CN CN202022704825.5U patent/CN213956716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465857A (en) * | 2021-09-01 | 2021-10-01 | 江苏摩信工业系统有限公司 | Transverse vibration testing machine for fastener |
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