CN203155502U - Excitation type mechanical vibration device - Google Patents
Excitation type mechanical vibration device Download PDFInfo
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- CN203155502U CN203155502U CN 201320093675 CN201320093675U CN203155502U CN 203155502 U CN203155502 U CN 203155502U CN 201320093675 CN201320093675 CN 201320093675 CN 201320093675 U CN201320093675 U CN 201320093675U CN 203155502 U CN203155502 U CN 203155502U
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- rolling disc
- shake table
- roller rolling
- groove
- roller
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Abstract
The utility model discloses an excitation type mechanical vibration device. An upper vibration table is arranged above a roller rotating disc of the device, the upper vibration table is in the shape of a round disc, a round boss is arranged at the center of the upper vibration table, and a clamping groove is formed in the periphery of the upper vibration table. Radial curve face grooves evenly distributed are arranged on the bottom face of the upper vibration table from the round boss to the periphery. A spline groove is arranged on a round table at the center of the roller rotating disc and is connected with a spindle through a spline. Radial curve face grooves evenly distributed are arranged on the upper surface of the roller rotating disc from the round boss to the periphery. One or a plurality of excitation cylinder/tapered rollers are movably arranged in a semi-cylindrical/semi-conical groove formed by the roller rotating disc and the upper vibration table, and a high pressure oil hole is drilled in the roller rotating disc. Due to the fact that the bottom of the upper vibration table is in the shape of a concave-convex curve face, the upper vibration table can be in vertical reciprocating motion under drive of the rollers, output vibration waveform and amplitude can be controlled by the groove curve face shape of the bottom of the upper vibration table, and the output waveform is good and stable.
Description
Technical field
The utility model relates to a kind of mechanical vibration generator system, particularly a kind of excitation type mechanical vibrator.It can be widely used on industry laboratory such as auto parts and components, electronic devices and components, assembly, medicine, food, furniture, gift, pottery, packing and the production line sample being carried out the coupled vibration test.
Background technology
Shake table is a kind of device that utilizes electronic, electric hydraulic pressure, piezoelectricity or other principles to obtain mechanical oscillation, is one of indispensable important experimental facilities in the modern project technical field.It is widely used on industry laboratory such as auto parts and components, electronic devices and components, assembly, medicine, food, furniture, gift, pottery, packing and the production line sample being carried out the coupled vibration test.As the environment acceptance test, the quality qualification test, reliability compliance test, long duration test, the vibration simulation analysis, the material behavior test, fatigue test, vibration prevents improvement etc.The vibration environment that analog equipment suffers in manufacturing, assembling, transportation and use is with resistance to vibration, reliability and the integrity of evaluating its structure.Shake table is as the standard device of vibration test, the height of its performance quality, technical merit directly has influence on each industrial circle development of technology and development, simultaneously also be the important symbol of weighing the industrial technology development level of a country, in the national economic development, occupy considerable status.Because shake table is related to the development of high-tech areas such as Aero-Space, so high frequency response, large-tonnage shake table are implemented embargo policies in many countries.Therefore, be very important basic research to the research of shake table, countries in the world all take much count of the research and development of vibration experiment and vibration test technology.
According to the difference of operation principle, the shake table that generally uses mainly is divided into mechanical type, electric-liquid type, electrodynamic type in the market.Along with the development of shake table to directions such as heavy load, high-frequency, high-performance, big amplitudes, existing shake table is satisfying under its particular job situation on the market, learns from other's strong points to offset one's weaknesses separately, has brought into play maximum effect in combination property, but has generally also had following problem.Tradition mechanical shaker cost is lower, and the life-span is long, convenient maintenance, but its work noise is big, waveform is undesirable, vibration frequency is low, load is less, amplitude is difficult for regulating, and whole control performance is poor.Electrohydraulic shaker then can produce very big exciting force and displacement, and specific energy produces the electrodynamic vibration shaker low price of identical thrust, but its limitation is that high frequency performance is relatively poor, and upper limit operating frequency is low, and small-sized distortion is bigger.And DYN dynamic wide frequency range, waveform is better, is fit to produce random wave, but limited by its vibration mechanism, and its Oscillation Amplitude and load capacity are all smaller.
The utility model content
The purpose of this utility model is to overcome the technical disadvantages of existing machinery formula shake table, provides a kind of and can produce higher nominal frequency and nominal load, simultaneously also mechanical type vibrating device preferably of whole control performance.
The utility model purpose is achieved through the following technical solutions:
A kind of excitation type mechanical vibrator comprises power transmitting assembly, exciting assembly and main body rack three parts; Main body rack comprises spacing collar, main support and base for supporting; Power transmitting assembly comprises belt pulley and main shaft; The exciting assembly comprises shake table, exciting cylinder or taper roller and roller rolling disc; Main shaft is connected with roller rolling disc, main support, belt pulley and base for supporting respectively from top to bottom, and roller rolling disc top is provided with shake table; The roller rolling disc is supported by thrust bearing, and thrust bearing is arranged on the main support; Last shake table is discoid, and the center is round boss, and periphery is provided with draw-in groove; Last shake table bottom surface is provided with radial even distribution surface groove from the round boss to the periphery; The round platform at roller rolling disc center is provided with wounded in the battle keyway, is connected by spline with main shaft, and the upper surface of roller rolling disc is provided with radial even distribution surface groove from the center round platform to periphery; One or more exciting cylinder or taper roller are movably arranged in the semicolumn or half cone-shaped groove of roller rolling disc and the formation of last shake table, are drilled with the high pressure oilhole at the roller rolling disc; Belt pulley is connected with main shaft; Be respectively equipped with first angular contact ball bearing and second angular contact ball bearing between described main shaft and main support and the base for supporting; Last shake table, exciting cylinder or taper roller and roller rolling disc are arranged in the spacing collar, and spacing collar and main support are connected; The draw-in groove of last shake table circumferential distribution is connected with the inward flange of spacing collar.
For further realizing the utility model purpose, preferred each groove is provided with the high pressure oilhole in the described roller rolling disc.
Described thrust bearing comprises thrust bearing upper support lid, thrust bearing taper roller and thrust bearing cover, and thrust bearing is arranged in the retainer.
Described belt pulley preferably adopts spline to be connected with main shaft.
The periphery that described belt takes turns to the main shaft between first angular contact ball bearing is provided with sleeve.
The described shake table top of going up preferably has bolt hole.
With respect to prior art, the utlity model has following advantage:
1, the utility model mechanical device is to be rotated around the main support central shaft by cylinder or taper roller, and the concave-convex curved surface shape of shake table bottom is done it and pumped in the utilization under the driving of roller; The vibrational waveform of output and amplitude can be by the bottom groove curve form controls of last shake table, and output waveform is well stable;
2, the quantity n of exciting roller has determined the unit vibration frequency of shake table, and namely the roller number is more many, and its vibration frequency is more high, for the n of motor rotation frequency doubly;
3, for to satisfy higher vibration frequency, along with the increase of roller quantity, Area of bearing further enlarges, and the load capacity of this shake table is corresponding increase also, has the heavy load ability;
4, roller rolling disc bottom is drilled with the high pressure oilhole, the output hydraulic oil floats cylinder or taper roller in the work, reduce and rotate the friction that contact process is brought, can be the shake table bottom surface simultaneously and provide lubricated, effectively reduced noise, and adopt the end face thrust bearing to shed axial load, and avoided the stress at spindle angular contact bearing place to concentrate, improve shake table efficient and life-span;
5, the power transmissioning part position that is connected with main shaft all adopts spline to connect, and has effectively improved driving force transmission capacity, satisfies the large-tonnage designing requirement.
6, apparatus structure is simply compact, and the parts difficulty of processing is low, and assembling simply is easy to realize.
Description of drawings
Fig. 1 is the structural representation along the center longitudinally cutting of excitation type mechanical vibrator.
Fig. 2 is the structural representation that circumferentially dissects around the center of excitation type mechanical vibrator.
Fig. 3 is the last shake table structural representation of excitation type mechanical vibrator.
Shown in the figure: go up shake table 1, spacing collar 2, exciting cylinder or taper roller 3, roller rolling disc 4, thrust bearing upper support lid 5, retainer 6, thrust bearing taper roller 7, thrust bearing cover 8, first angular contact ball bearing 9, main support 10, sleeve 11, belt pulley 12, main shaft 13, second angular contact ball bearing 14, base for supporting 15.
The specific embodiment
Be described in further detail of the present utility model below in conjunction with accompanying drawing, but embodiment of the present utility model is not limit so.
As Figure 1-3, a kind of excitation type mechanical vibrator comprises power transmitting assembly, exciting assembly and main body rack three parts; Main body rack comprises spacing collar 2, main support 10 and base for supporting 15; Power transmitting assembly comprises belt pulley 12 and main shaft 13; The exciting assembly comprises shake table 1, exciting cylinder or taper roller 3 and roller rolling disc 4; Main shaft 13 is connected with roller rolling disc 4, main support 10, belt pulley 12 and base for supporting 15 respectively from top to bottom, and roller rolling disc 4 tops are provided with shake table 1; Roller rolling disc 4 is supported by thrust bearing, and thrust bearing is arranged on the main support 10; Last shake table 1 is discoid, and the center is round boss, and periphery is provided with draw-in groove; Last shake table 1 bottom surface is provided with radial even distribution surface groove from the round boss to the periphery, groove is preferably semicolumn or half cone-shaped groove; The round platform at roller rolling disc 4 centers is provided with wounded in the battle keyway, be connected with main shaft 13 usefulness splines, the upper surface of roller rolling disc 4 is provided with radial even distribution surface groove from the center round platform to periphery, groove is preferably semicolumn or half cone-shaped groove, 1 or a plurality of exciting cylinder or taper roller 3 are movably arranged in the semicolumn or half cone-shaped groove that roller rolling disc 4 and last shake table 1 form, can freely roll, be drilled with the high pressure oilhole at roller rolling disc 4, preferably in each groove, be provided with the high pressure oilhole; The output hydraulic oil floats cylinder or taper roller 3 in the work, and under roller rolling disc 4 incentive actions, excitation cylinder or taper roller 3 are made circular motion in last shake table 1 bottom, makes the vibratory response on the last shake table 1 generation vertical direction with its engagement.
Be respectively equipped with first angular contact ball bearing 9 and second angular contact ball bearing 14 between main shaft 13 and main support 10 and the base for supporting 15; Belt pulley 12 and main shaft 13 are connected by spline, and main shaft 13 peripheries between belt pulley 12 to first angular contact ball bearings 9 are provided with sleeve 11, carry out axial location by 11 pairs of belt pulleys of sleeve 12; Last shake table 1, exciting cylinder or taper roller 3 and roller rolling disc 4 are arranged in the spacing collar 2, and spacing collar 2 is connected with main support 10; Thrust bearing comprises thrust bearing upper support lid 5, thrust bearing taper roller 7 and thrust bearing cover 8, and thrust bearing is arranged in the retainer 6; The draw-in groove of last shake table 1 circumferential distribution is connected with the inward flange of 2 of stop collars.Adopt spline to be connected respectively between roller rolling disc 4 and belt pulley 12 and the main shaft 13.
Last shake table 1 is as vibration source, and its top has bolt hole, can carry out bolt with vibration tong and be connected, and makes things convenient for the modularized design of anchor clamps and other connection devices.Motor transmits power on the main shaft 13, and main shaft 13 cooperates by spline and roller rolling disc 4, supports by the contact of exciting cylinder or taper roller 3, rotary torque is resolved into vertical vibration incentive action power and the tangential component of shake table 1.
The utility model excitation type mechanical vibrator can be widely used on industry laboratory such as auto parts and components, electronic devices and components, assembly, medicine, food, furniture, gift, pottery, packing and the production line sample being carried out the coupled vibration test.During application, earlier logical hydraulic oil carries out self-lubricating by equipment, and allows equipment make each parts of equipment thoroughly lubricated at the no-load running certain hour.Use motor through power drive mechanism from transferring power radially to main rotary shaft and roller rolling disc.Under motor drives, roller rolling disc 4 drives the exciting cylinder or taper roller 3 rotates, cylinder on the rolling disc or taper roller float under the hydraulic oil effect and can rotate freely, under the rotation excitation effect of roller rolling disc, cylinder or taper roller roll between the groove of last shake table bottom one by one, thereby shake table moves up and down in vertical direction in the driving, realizes the vibrational excitation function of shake table.When each exciting cylinder or taper roller 3 arrived the peak of the curved surface of going up shake table 1 base circle distribution groove, last shake table 1 reached the positive extreme point of its vibration amplitude; When each exciting cylinder or taper roller 3 arrived the minimum point of the curved surface of going up shake table 1 base circle distribution groove, last shake table 1 reached the negative extreme point of its vibration amplitude, and shake table experiences once complete vibration behavior thus.If roller rolling disc 4 continues to rotate, 3 of each exciting cylinder or taper rollers alternately roll across on the band groove curved surface of last shake table 1 bottom incessantly, and then produce a series of vibration wave.
The vibration frequency of axial thrust rotation roller excitation type mechanical vibration generator system of the present utility model not exclusively determines that by the speed of driving wheel the quantity of cylinder or taper roller also has significant effects to vibration frequency.Under identical driving rotation rotating speed, the quantity of roller is more many, and its vibration frequency is more high, and its bearing capacity is also more high simultaneously.Can't reach the problem of higher level in the vibration frequency that has to a certain degree solved traditional mechanical vibration generator system.
Claims (6)
1. an excitation type mechanical vibrator is characterized in that: comprise power transmitting assembly, exciting assembly and main body rack three parts; Main body rack comprises spacing collar, main support and base for supporting; Power transmitting assembly comprises belt pulley and main shaft; The exciting assembly comprises shake table, exciting cylinder or taper roller and roller rolling disc; Main shaft is connected with roller rolling disc, main support, belt pulley and base for supporting respectively from top to bottom, and roller rolling disc top is provided with shake table; The roller rolling disc is supported by thrust bearing, and thrust bearing is arranged on the main support; Last shake table is discoid, and the center is round boss, and periphery is provided with draw-in groove; Last shake table bottom surface is provided with radial even distribution surface groove from the round boss to the periphery; The round platform at roller rolling disc center is provided with wounded in the battle keyway, is connected by spline with main shaft, and the upper surface of roller rolling disc is provided with radial even distribution surface groove from the center round platform to periphery; One or more exciting cylinder or taper roller are movably arranged in the semicolumn or half cone-shaped groove of roller rolling disc and the formation of last shake table, are drilled with the high pressure oilhole at the roller rolling disc; Belt pulley is connected with main shaft; Be respectively equipped with first angular contact ball bearing and second angular contact ball bearing between described main shaft and main support and the base for supporting; Last shake table, exciting cylinder or taper roller and roller rolling disc are arranged in the spacing collar, and spacing collar and main support are connected; The draw-in groove of last shake table circumferential distribution is connected with the inward flange of spacing collar.
2. excitation type mechanical vibrator according to claim 1 is characterized in that: be provided with the high pressure oilhole at each groove in the described roller rolling disc.
3. excitation type mechanical vibrator according to claim 1 is characterized in that: described thrust bearing comprises thrust bearing upper support lid, thrust bearing taper roller and thrust bearing cover, and thrust bearing is arranged in the retainer.
4. excitation type mechanical vibrator according to claim 1 is characterized in that: described belt pulley adopts spline to be connected with main shaft.
5. excitation type mechanical vibrator according to claim 1, it is characterized in that: the periphery that described belt takes turns to the main shaft between first angular contact ball bearing is provided with sleeve.
6. excitation type mechanical vibrator according to claim 1 is characterized in that: have bolt hole above the described upward shake table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093675 CN203155502U (en) | 2013-02-28 | 2013-02-28 | Excitation type mechanical vibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093675 CN203155502U (en) | 2013-02-28 | 2013-02-28 | Excitation type mechanical vibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203155502U true CN203155502U (en) | 2013-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320093675 Withdrawn - After Issue CN203155502U (en) | 2013-02-28 | 2013-02-28 | Excitation type mechanical vibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203155502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203313A (en) * | 2013-02-28 | 2013-07-17 | 华南理工大学 | Exciting mechanical vibration device with axial thrust rotating rollers |
| CN109211584A (en) * | 2018-08-30 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of steering wheel assembly vibration mechine |
| CN109371794A (en) * | 2018-10-11 | 2019-02-22 | 宜昌江峡船用机械有限责任公司 | The automobile-used excitation beam of vibration of pavement breaking |
-
2013
- 2013-02-28 CN CN 201320093675 patent/CN203155502U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203313A (en) * | 2013-02-28 | 2013-07-17 | 华南理工大学 | Exciting mechanical vibration device with axial thrust rotating rollers |
| CN109211584A (en) * | 2018-08-30 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of steering wheel assembly vibration mechine |
| CN109211584B (en) * | 2018-08-30 | 2019-11-26 | 安徽江淮汽车集团股份有限公司 | A kind of steering wheel assembly vibration mechine |
| CN109371794A (en) * | 2018-10-11 | 2019-02-22 | 宜昌江峡船用机械有限责任公司 | The automobile-used excitation beam of vibration of pavement breaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |