CN201909708U - Mechanical vibrating platform and separation-preventing mechanism thereof - Google Patents
Mechanical vibrating platform and separation-preventing mechanism thereof Download PDFInfo
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- CN201909708U CN201909708U CN2010206961438U CN201020696143U CN201909708U CN 201909708 U CN201909708 U CN 201909708U CN 2010206961438 U CN2010206961438 U CN 2010206961438U CN 201020696143 U CN201020696143 U CN 201020696143U CN 201909708 U CN201909708 U CN 201909708U
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- 230000002035 prolonged effect Effects 0.000 abstract 1
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- 238000005096 rolling process Methods 0.000 description 3
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Abstract
The utility model discloses a mechanical vibrating platform and a separation-preventing mechanism thereof. The disclosed separation-preventing mechanism comprises an elastic assembly and an adjusting mechanism, the elastic assembly acts on a roller assembly of the mechanical vibrating platform, the adjusting mechanism adjusts the distance between the elastic assembly and the roller assembly, and comprises a fixed end and a free end, the space between the fixed end and the free end can be adjusted, the fixed end is firmly connected with the vibrating support of the mechanical vibrating platform, and the free end is firmly connected with the elastic assembly. Under the same amplitude, if the vibrating frequency is high, the adjusting mechanism adjusts the elastic assembly to get close to a roller, so that the separation-preventing mechanism can apply pressing force on the roller assembly in the whole vibrating cycle of the roller, and thereby the roller can always roll along the outer edge of an eccentric wheel, and can be prevented from separating from the eccentric wheel; if the vibrating frequency is low, the roller cannot separate from the eccentric wheel, the adjusting mechanism adjust the elastic assembly to get away from the roller assembly, so that no pressing force is applied on the roller assembly, consequently, the load of a motor is decreased, the energy consumption of the mechanical vibrating platform is reduced, and the service life of the motor is prolonged.
Description
Technical field
The utility model relates to test articles for use field, particularly relates to a kind of escapement that is used for mechanical shaker.In addition, the utility model also relates to a kind of mechanical shaker that comprises above-mentioned escapement.
Background technology
Mechanical shaker is a kind of eccentric mechanism, and its eccentric wheel rotates under the drive of motor, and roller contacted with it rolls along eccentric edge, and the traveller that is connected with roller can be done vertical to-and-fro movement under the effect of guiding mechanism.In experimentation, mechanical shaker need provide different vibration frequencies and different amplitudes, to simulate different operating modes, satisfies different test needs.
Eccentric wheel is in rotation process, and roller rolls along eccentric edge.At eccentric top dead centre, if there is not to make roller to keep in touch the snap-in force of state all the time with eccentric wheel, when eccentric wheel speed reaches critical value, if vibration frequency is bigger, roller can impact to eccentric wheel when falling because eccentric wheel is thrown off in the effect of inertial force, causes mechanism to damage easily, and cause the distortion of vibrational waveform, reduce the confidence level of test findings.Therefore, mechanical shaker generally can be provided with escapement.
Traditional escapement provides snap-in force by flexible member pair rollers such as spiral compression springs, does not throw off to guarantee roller and eccentric wheel.The amplitude of mechanical shaker realizes by changing eccentric eccentric throw, and under identical vibration frequency, different amplitude, the snap-in force that escapement provides changes by the decrement of spring.During the shaking table vibration, the motor groundwork is the gravity that overcomes car load or parts and roller traveller mechanism, therefore, the decrement of spring can increase more when the relatively little amplitude of situation lower spring decrement of large amplitude, the snap-in force that spring provides also can increase a lot, increase extra vibration resistance, caused motor load to strengthen, reduced the serviceable life of motor.
Simultaneously, after vibration frequency dropped to certain limit, eccentric wheel was in rotation process, and roller can not break away from eccentric wheel, and do not need pair roller that snap-in force is provided this moment, can satisfy requirement of experiment yet.But the snap-in force of escapement still can exist, and motor still can be worked under the heavy load operating mode, causes unnecessary waste.This contradiction is especially outstanding under large amplitude, low-frequency operating mode.
How for roller provides suitable snap-in force, under the prerequisite of guaranteeing the shaking table operate as normal, reducing the load of motor, prolong the serviceable life of motor, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of escapement that is used for mechanical shaker, this escapement can provide suitable snap-in force for roller according to different operating modes, and reduce the load of motor on this basis, and reduce the energy consumption of mechanical shaker, prolong the serviceable life of motor.Another purpose of the present utility model provides a kind of mechanical shaker that comprises above-mentioned escapement.
For realizing above-mentioned utility model purpose, the utility model provides a kind of escapement of mechanical shaker, the elastic parts that comprises the roll wheel assembly that acts on mechanical shaker, also comprise the regulating device of regulating distance between described elastic parts and the described roll wheel assembly, this regulating device comprises stiff end and the free end that mutual spacing is adjustable, described stiff end is fixedlyed connected with the vibrating grid of described mechanical shaker, and described free end is fixedlyed connected with described elastic parts.
Preferably, described regulating device comprises the power cylinder that drives described elastic parts, and the cylinder barrel of this power cylinder is fixedlyed connected with described vibrating grid, and the cylinder bar is fixedlyed connected with described elastic parts.
Preferably, described power cylinder is specially cylinder.
Preferably, described elastic parts comprises spring and holds the spring base of described spring that described free end is fixedlyed connected with described spring base; Fixedly connected with described spring base in the top of described spring.
Preferably, described elastic parts comprises that also the bottom is provided with the guiding parts of boss, and described ring spring is around described guiding parts, and the upper surface of its bottom and described boss overlaps.
Preferably, the bottom of described guiding parts is fixedly connected with the elastic buffer piece, and described elastic parts is by the surface overlap joint of described elastic buffer piece and described roll wheel assembly.
Preferably, also comprise adjustment component and the fixed part that cooperates with described adjustment component; Described adjustment component penetrate described spring base top, its bearing of trend and described guiding parts parallel axes and be slidingly connected with described guiding parts; Described fixed part is located at the outside of described spring base, and described fixed part has a plurality of positions of fixedlying connected with described adjustment component.
Preferably, described adjustment component is specially bolt, and described fixed part is specially and described bolt nut engaged.
Preferably, described guiding parts is a hollow cylinder, and described adjustment component comprises main part and the size end greater than described main part, and described main part penetrates the top of described guiding parts, and described end is connected in the inside of described guiding parts.
The utility model also provides a kind of mechanical shaker, comprises eccentric wheel and the roller that rolls along described eccentric edge, and prevents the escapement that described roller and described eccentric wheel are thrown off, and described escapement is as above-mentioned each described escapement.
The utility model provides a kind of escapement, is used to prevent that the roller of mechanical shaker and eccentric wheel break away from.This escapement comprises the elastic parts that acts on roll wheel assembly, and the regulating device of regulating distance between described elastic parts and the described roll wheel assembly, this regulating device comprises stiff end and the free end that mutual spacing is adjustable, described stiff end is fixedlyed connected with the vibrating grid of described mechanical shaker, and described free end is fixedlyed connected with described elastic parts.During mechanical shaker work, demand side is to different vibration frequencies and various amplitude, under the situation of same-amplitude, if vibration frequency is bigger, roller can break away from eccentric wheel, adjust regulating device stiff end and free-ended distance this moment to big state, make the distance of elastic parts and vibrating grid also bigger, promptly elastic parts is near roll wheel assembly, guarantee that roller is in the whole vibration period, escapement still pair roller assembly has snap-in force, and roller rolls along eccentric outer rim always, avoids throwing off; If vibration frequency is less, roller can not break away from eccentric wheel, then adjusts stiff end and free-ended distance to less state, make elastic parts away from roll wheel assembly, the pair roller assembly does not produce snap-in force, and the load of motor is reduced, reduce the energy consumption of mechanical shaker, prolong the serviceable life of motor.
A kind of preferred embodiment in, described regulating device comprises the power cylinder that drives described elastic parts, the cylinder barrel of this power cylinder is fixedlyed connected with described vibrating grid, the cylinder bar is fixedlyed connected with described elastic parts.Power cylinder can be hydraulic cylinder or cylinder, its cylinder barrel is a stiff end, and the cylinder bar is a free end, and the relative distance between cylinder bar and the cylinder barrel is easy to adjust, as long as the gas in the control rodless cavity or the volume of liquid just can be realized, make the distance between elastic parts and the roll wheel assembly adjust also very convenient.This is simple in structure, be easy to realize, and hydraulic cylinder or cylinder all is ripe industrial products that stable performance is easy to buying, can reduce and realize cost of the present utility model.
In another preferred embodiment, described elastic parts comprises spring and holds the spring base of described spring that described free end is fixedlyed connected with described spring base; Fixedly connected with described spring base in the top of described spring.Spring is the elastomeric element of using always, is easy to buying.The free end of regulating device is fixedlyed connected with spring base, when the distance of free end and stiff end is adjusted, spring base will drive spring, make the end of spring and the distance of roll wheel assembly obtain adjusting, up to reaching preposition, realize the anticreep requirement under the operating mode of different vibration frequencies.
Providing on the basis of above-mentioned escapement, the utility model also provides a kind of mechanical shaker that comprises above-mentioned escapement; Because escapement has above-mentioned technique effect, the mechanical shaker with this escapement also has the corresponding techniques effect.
Description of drawings
Fig. 1 provides the structural representation of a kind of embodiment of escapement for the utility model;
Fig. 2 is the vertical view of escapement shown in Figure 1;
Fig. 3 is the side view of escapement shown in Figure 1.
Embodiment
Core of the present utility model provides a kind of escapement that is used for mechanical shaker, this escapement can provide suitable snap-in force for roller according to different operating modes, and reduce the load of motor on this basis, and reduce the energy consumption of mechanical shaker, prolong the serviceable life of motor.Another core of the present utility model provides a kind of mechanical shaker that comprises above-mentioned escapement.
The nouns of locality such as the related top of this paper, bottom are that to be positioned at operating mode shown in Figure 1 with escapement be that benchmark defines; Define elastic parts simultaneously and act on roll wheel assembly from the top of roll wheel assembly.The noun of locality that should be appreciated that herein to be adopted should not limit the protection domain of this patent.In addition, connection as herein described comprises direct connection, also comprises indirect connection.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 provides the structural representation of a kind of embodiment of escapement for the utility model.
The utility model provides a kind of escapement, is used to prevent that the roll wheel assembly 1 of mechanical shaker and eccentric wheel (not shown) break away from.This escapement comprises the elastic parts 2 that acts on roll wheel assembly 1, and the regulating device of regulating distance between elastic parts 2 and the roll wheel assembly 1, this regulating device comprises stiff end and the free end that mutual spacing is adjustable, stiff end is fixedlyed connected with the vibrating grid of mechanical shaker, and free end is fixedlyed connected with elastic parts 2.During mechanical shaker work, demand side is to different vibration frequencies and various amplitude, under the situation of same-amplitude, if vibration frequency is bigger, roller can break away from eccentric wheel, adjust regulating device stiff end and free-ended distance this moment to big state, make elastic parts 2 also bigger with the distance of vibrating grid, promptly elastic parts 2 is near roll wheel assembly 1, guarantee that roller is in the whole vibration period, escapement still pair roller assembly 1 has snap-in force, and roller still rolls along eccentric outer rim, avoids throwing off; If vibration frequency is less, roller can not break away from eccentric wheel, then adjust stiff end and free-ended distance to less state, make elastic parts 2 away from roll wheel assembly 1, pair roller assembly 1 does not produce snap-in force, the load of motor is reduced, reduce the energy consumption of mechanical shaker, prolong the serviceable life of motor.
With cylinder shown in Figure 1 is example, when the vibration frequency of shaking table hour, the cylinder bar of cylinder does not stretch out, and maintains a certain distance between the lower surface of elastic parts 2 and the roll wheel assembly 1, guarantees can not increase the load of motor, the efficient of raising system; When the vibration frequency of shaking table was big, the cylinder bar of cylinder stretched out, and the surface that drives elastic parts 2 way roller assemblies 1 is close, makes eccentric wheel when rotated, the bottom of elastic parts 2 all can with roll wheel assembly 1 surface overlap joint.
In the escapement shown in Figure 1, spring base 22 is fixedlyed connected with the cylinder bar of cylinder by Connection Block 23.Obviously, if at least one is provided with slotted hole between Connection Block 23 and the spring base 22, and the axially parallel of the long axis direction of slotted hole and spring 21, make the relative position between Connection Block 23 and the spring base 22 adjustable, also adjust simultaneously the relative position between spring assembly and the roll wheel assembly 1, reach the adjustment purpose.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the vertical view of escapement shown in Figure 1; Fig. 3 is the side view of escapement shown in Figure 1.
In a kind of concrete embodiment, regulating device comprises the power cylinder 3 that drives elastic parts 2, and the cylinder barrel of this power cylinder 3 is fixedlyed connected with vibrating grid, and the cylinder bar is fixedlyed connected with elastic parts 2.Power cylinder 3 can be hydraulic cylinder or cylinder, its cylinder barrel is a stiff end, and the cylinder bar is a free end, and the relative distance between cylinder bar and the cylinder barrel is easy to adjust, as long as the gas in the control rodless cavity or the volume of liquid just can be realized, make the distance between elastic parts 2 and the roll wheel assembly 1 adjust also very convenient.This is simple in structure, be easy to realize, and hydraulic cylinder or cylinder all is ripe industrial products that stable performance is easy to buying, can reduce and realize cost of the present utility model.
As shown in Figure 2, be provided with four power cylinders 3 in the escapement shown in Figure 2.With the roller is reference, and extend at the two ends of its turning axle left side and the right side of way roller respectively.Roll wheel assembly 1 comprises the rolling wheel support 11 of being located at the roller outside, and rolling wheel support 11 is provided with left side and the right side that 12, two pressing plates 12 of two pressing plates are located at roller respectively.The acting force of elastic parts 2 acts on the pressing plate 12, and passes to rolling wheel support 11 by pressing plate 12, and then passes to roller, realizes anti-drop function.
Simultaneously, left side and right side at roll wheel assembly 1 are provided with a pair of power cylinder 3, each promotes elastic partss 2 to power cylinder 3 and acts on pressing plate 12 with power cylinder 3 homonymies, make elastic parts 2 respectively from the left side of roll wheel assembly 1 and right side acting in conjunction in roller, realize anti-drop function.
Obviously, the quantity of power cylinder 3 includes but not limited to four, as long as it can drive elastic parts 2, the distance between elastic parts 2 and the roll wheel assembly 1 can effectively be regulated, and just can realize the purpose of this utility model, all should be within protection domain of the present utility model.
In advancing a kind of embodiment, elastic parts 2 can comprise spring 21 and hold the spring base 22 of spring 21 that free end is fixedlyed connected with spring base 22; Fixedly connected with spring base 22 in the top of spring 21.Spring 21 is elastomeric elements of using always, is easy to buying.The free end of regulating device is fixedlyed connected with spring base 22, when the distance of free end and stiff end is adjusted, spring base 22 will drive spring 21, make the end of spring 21 and the distance of roll wheel assembly 1 obtain adjusting, up to reaching preposition, realize the anticreep requirement under the operating mode of different vibration frequencies.
Obviously, spring 21 and spring base 22 are to realize a kind of embodiment of the present utility model, can realize that the elastomeric element of elastic deformation and bounce includes but not limited to spring.
Particularly, elastic parts 2 can also comprise that the bottom is provided with the guiding parts 24 of boss 241, and spring 21 is around guiding parts 24, and the upper surface of its bottom and boss 241 overlaps.Guiding parts 24 can prevent effectively that spring 21 from use producing skew, guarantees that spring 21 can keep operate as normal in vibration processes, improves the reliability of escapement.
Further, the bottom of guiding parts 24 can be fixedly connected with elastic buffer piece 25, and elastic parts 2 is by the surface overlap joint of elastic buffer piece 25 with roll wheel assembly 1.Elastic buffer piece 25 can be an elastic caoutchouc, and boss 241 can be a rigid plate.Elastic buffer piece 25 can effectively avoid elastic parts 2 to contact with rigidity between the roll wheel assembly 1, reduces the noise of mechanical shaker.
A kind of preferred embodiment in, escapement provided by the utility model can also comprise adjustment component 4 and fixed part 5.Wherein, adjustment component 4 is slidingly connected with guiding parts 24, and its bearing of trend is axially all parallel with guiding parts 24 and spring 21, the top of top penetrating projectile spring abutment 22; Guiding parts 24 is located at the outside of spring base 22, cooperates with adjustment component 4 and has a plurality of fixedly connected positions.When mechanical shaker was worked, its amplitude also had multiple different operating mode.When amplitude changes, because fixed part 5 has a plurality of positions of fixedlying connected with adjustment component 4, adjustment component 4 can change with the relative position of fixed part 5, and the guiding parts 24 that is slidingly connected of drive and adjustment component 4, and then act on spring 21 by boss 241, the length of spring 21 is changed, and then change spring 21 acts on the support reaction of boss 241, the snap-in force that elastic parts 2 is acted on the roll wheel assembly 1 changes, avoid when large amplitude, increasing the load of motor, reduce the energy consumption of motor, prolong the serviceable life of motor.
Obviously, mentioned above is slidingly connected, and means that spring 21 is compressed or when rebounding, guiding parts 24 can slide along adjustment component 4, to realize the length variations of spring 21 under various amplitude under the effect of spring 21.In addition, fixed part 5 is located at the outside of spring base 22 can conveniently regulate operation, easy to use.Obviously, if being located at other place, fixed part 5 also can realize regulatory function.
Particularly, above-mentioned adjustment component 4 can be bolt, fixed part 5 can for the bolt nut engaged.Bolt and nut is workpiece commonly used, is convenient to buying, is easy to realize, and easy operating when adjusting, and is convenient to adjust the snap-in force of spring 21.
Further, guiding parts 24 can be hollow cylinder, and adjustment component 4 comprises main part 41 and the size end 42 greater than main part 41, and main part 41 penetrates the top of guiding parts 24, and end 42 is connected in the inside of guiding parts 24.Adjustment component 4 is fixedlyed connected with guiding parts 24 to be stuck in the inner space of guiding parts 24 by end 42 and is realized that this is simple in structure, can further reduce the cost of escapement.
Except above-mentioned escapement, the utility model also provides a kind of mechanical shaker that comprises above-mentioned escapement, and this mechanical shaker comprises eccentric wheel and the roller that rolls along eccentric edge, and escapement is used to prevent roller and eccentric wheel disengagement.The structure of these other each several parts of mechanical shaker please refer to prior art, and this paper repeats no more.
More than mechanical shaker provided by the utility model and escapement thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the escapement of a mechanical shaker, the elastic parts that comprises the roll wheel assembly that acts on mechanical shaker, it is characterized in that, also comprise the regulating device of regulating distance between described elastic parts and the described roll wheel assembly, this regulating device comprises stiff end and the free end that mutual spacing is adjustable, described stiff end is fixedlyed connected with the vibrating grid of described mechanical shaker, and described free end is fixedlyed connected with described elastic parts.
2. the escapement of mechanical shaker according to claim 1 is characterized in that, described regulating device comprises the power cylinder that drives described elastic parts, and the cylinder barrel of this power cylinder is fixedlyed connected with described vibrating grid, and the cylinder bar is fixedlyed connected with described elastic parts.
3. the escapement of mechanical shaker according to claim 2 is characterized in that, described power cylinder is specially cylinder.
4. according to the escapement of each described mechanical shaker of claim 1 to 3, it is characterized in that described elastic parts comprises spring and hold the spring base of described spring that described free end is fixedlyed connected with described spring base; Fixedly connected with described spring base in the top of described spring.
5. the escapement of mechanical shaker according to claim 4 is characterized in that, described elastic parts comprises that also the bottom is provided with the guiding parts of boss, and described ring spring is around described guiding parts, and the upper surface of its bottom and described boss overlaps.
6. the escapement of mechanical shaker according to claim 5 is characterized in that, the bottom of described guiding parts is fixedly connected with the elastic buffer piece, and described elastic parts is by the surface overlap joint of described elastic buffer piece and described roll wheel assembly.
7. the escapement of mechanical shaker according to claim 4 is characterized in that, also comprises adjustment component and the fixed part that cooperates with described adjustment component; Described adjustment component penetrate described spring base top, its bearing of trend and described guiding parts parallel axes and be slidingly connected with described guiding parts; Described fixed part is located at the outside of described spring base, and described fixed part has a plurality of positions of fixedlying connected with described adjustment component.
8. the escapement of mechanical shaker according to claim 7 is characterized in that, described adjustment component is specially bolt, and described fixed part is specially and described bolt nut engaged.
9. the escapement of mechanical shaker according to claim 7, it is characterized in that, described guiding parts is a hollow cylinder, described adjustment component comprises main part and the size end greater than described main part, described main part penetrates the top of described guiding parts, and described end is connected in the inside of described guiding parts.
10. mechanical shaker, comprise eccentric wheel and the roller that rolls along described eccentric edge, and prevent the escapement that described roller and described eccentric wheel are thrown off, it is characterized in that described escapement is as each described escapement of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206961438U CN201909708U (en) | 2010-12-31 | 2010-12-31 | Mechanical vibrating platform and separation-preventing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206961438U CN201909708U (en) | 2010-12-31 | 2010-12-31 | Mechanical vibrating platform and separation-preventing mechanism thereof |
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| Publication Number | Publication Date |
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| CN201909708U true CN201909708U (en) | 2011-07-27 |
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| CN2010206961438U Expired - Lifetime CN201909708U (en) | 2010-12-31 | 2010-12-31 | Mechanical vibrating platform and separation-preventing mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095563A (en) * | 2010-12-31 | 2011-06-15 | 柳州五菱汽车有限责任公司 | Mechanical shaker and detaching mechanism thereof |
-
2010
- 2010-12-31 CN CN2010206961438U patent/CN201909708U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095563A (en) * | 2010-12-31 | 2011-06-15 | 柳州五菱汽车有限责任公司 | Mechanical shaker and detaching mechanism thereof |
| CN102095563B (en) * | 2010-12-31 | 2012-09-26 | 柳州五菱汽车有限责任公司 | Mechanical shaker and detaching mechanism thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20120926 |