CN202393562U - Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine - Google Patents
Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine Download PDFInfo
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- CN202393562U CN202393562U CN 201120523901 CN201120523901U CN202393562U CN 202393562 U CN202393562 U CN 202393562U CN 201120523901 CN201120523901 CN 201120523901 CN 201120523901 U CN201120523901 U CN 201120523901U CN 202393562 U CN202393562 U CN 202393562U
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Abstract
The utility model discloses a supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine, which comprises a soft bearing swing frame, a hard bearing swing frame and a swing frame conversion mechanism, the swing frame conversion mechanism is arranged on the two sides of the soft bearing swing frame and above the hard bearing swing frame, the swing frame conversion mechanism comprises a first slide block, a second slide block, a first screw mechanism and a second screw mechanism, the first slide block and the second slide block are placed on the two sides of the soft bearing swing frame respectively, the first screw mechanism is connected with the first slide block, and the second screw mechanism is connected with the second slide block. The dynamic balancing machine has the advantages that conversion of the soft bearing swing frame and the hard bearing swing frame are achieved through the swing frame conversion mechanism, advantages of soft bearing and hard bearing are provided, and the cost is saved.
Description
Technical field
The utility model relates to a kind of dynamic balance measuring device of making the machinery of gyration, and particularly a kind of brace type soft or hard supports a body multifunctional dynamic balancing machine.
Background technology
Existing dynamic balancing machine is divided into hard supporting balance and soft bearing balancing machine from principle of work.Soft-bearing dynamic balance machine and hard bearing dynamic balancing machine respectively have relative merits.
The balancing speed of soft-bearing dynamic balance machine is higher than the natural frequency of rotor-bearing system, receive that the extraneous vibration effect of signals is little, measuring accuracy is high, amplitude is bigger, highly sensitive, rocker rigidity is little, structure is thin; When crossing resonant speed the vibration excessive, do not allow bigger initial unbalance, poor impact resistance; Be applicable to production in enormous quantities; Each balance different rotor must be demarcated, and operation requires the operator to possess certain experience than more complicated.
The balancing speed of hard bearing dynamic balancing machine is lower than the natural frequency of rotor-bearing system; Can be in balance under the slow-speed of revolution; Permanent demarcation, simple to operation, security performance is good, amplitude is less, rocker rigidity is big, intensity is high, allow rotor that bigger characteristics such as initial unbalance are arranged, and is firm in structure, shock-resistant; No consumable accessory, reliability is high.
Soft-bearing dynamic balance machine and hard bearing dynamic balancing machine must cause different on its structural difference and the method for operating different on the principle of work.Need serious analysis during selection, select suitable dynamic balancing machine kind according to the different balance demand.
The soft-bearing dynamic balance machine is suitable for following occasion: 1) light lesser trochanter, the few specification of rotor assembly; 2) full-automatic, semi-automatic balance on the production line of rotor in enormous quantities, like micro-motor rotor, supercharger impeller etc.Limited group nominal data can be stored in the surveying instrument, uses as permanent demarcation; 3) some special equilibrium task is like the balance (adopting from driving and rotating speed very high) of navigation gyro; 4) light especially little rotor is like (unbalance vibration power are very little, and it is more convenient to survey center displacement) such as dental drill turbines.
Hard bearing dynamic balancing machine is suitable for middle greater trochanter, is used for rotor body more, and highly versatile is suitable for following occasion: 1) many kinds, in low in batches or the production and the maintenance of single-piece; 2) production in enormous quantities of heavier rotor like automobile crane, is characterized in that the rotor specification is less, but requires resistance to impact higher; 3) great majority belong to single-piece or production of small batch rotor or maintenance, and the rotor specification of required balance is various in style; 4) high-speed balancing of flex rotor.
Dynamic balancing machine in the market or be single hard bearing dynamic balancing machine, or be single soft-bearing dynamic balance machine, many kinetic energy dynamic balancing machine of soft underprop and hard supporting one lacked.Along with the needs of science and technology development and industrial technology, hard bearing dynamic balancing machine takes advantage in different fields respectively with the soft-bearing dynamic balance machine.Hard bearing dynamic balancing machine has the natural frequency that balancing speed is lower than rotor-bearing system, requires ω≤0.3 ω o (natural frequency), requires natural frequency high.The soft-bearing dynamic balance facility have balancing speed to be higher than the natural frequency of rotor-bearing system, require ω >=2.5 ω o (natural frequency), require natural frequency low.The vibration amplitude of hard bearing balan is directly proportional with uneven centrifugal force, and the vibration amplitude of soft bearing balancing machine is directly proportional with center displacement.
The utility model content
The utility model technical matters to be solved provides a kind of brace type soft or hard and supports a body multifunctional dynamic balancing machine, and it has the advantage of soft underprop and hard supporting concurrently, practices thrift cost.
For solveing the technical problem; The utility model provides a kind of brace type soft or hard to support a body multifunctional dynamic balancing machine; It is characterized in that it comprises the soft underprop rocker, supports rocker, rocker throw-over gear firmly, rocker throw-over gear is located at soft underprop rocker both sides, supports above the rocker firmly; Rocker throw-over gear comprises first slide block, second slide block, first screw mechanism, second screw mechanism; First slide block, second slide block lay respectively at the both sides of soft underprop rocker, and first screw mechanism is connected with first slide block, and second screw mechanism is connected with second slide block.
Preferably; Said soft underprop rocker comprises first base, first reed, second reed, first roller, second roller, turning rolls, support, soft underprop projection; First roller and second roller are positioned on the turning rolls; Turning rolls and support are slidingly connected, and first reed, second reed are positioned on first base, and the soft underprop projection links to each other with first base.
Preferably, said hard supporting rocker adopts H type integrative-structure, and first screw mechanism and second screw mechanism all are made up of handle portion and threaded portion.
The positive progressive effect of the utility model is: the utility model has the advantage of soft underprop and hard supporting concurrently, and two cover rockers are arranged, and a cover is the soft underprop rocker, and another set of is to support rocker firmly, adopts which cover rocker, can be through rocker throw-over gear conversion.The soft underprop and the advantages of hard supporting are got up, can widen the range of application of dynamic balancing machine, can practice thrift enterprise cost greatly.The utility model both can be used for the transient equilibrium of small dimension rotor, can be used for the transient equilibrium of big specification rotor again, both can adjustment of balance, and again can low speed balancing.
Description of drawings
Fig. 1 supports the front view of a body multifunctional dynamic balancing machine for the utility model brace type soft or hard.
Fig. 2 supports the three-dimensional plot of a body multifunctional dynamic balancing machine for the utility model brace type soft or hard.
Fig. 3 is the structural representation of screw mechanism in the utility model.
Fig. 4 is the structural representation of slide block in the utility model.
Embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the utility model of intactly explaining.
The utility model brace type soft or hard supports a body multifunctional dynamic balancing machine and comprises the soft underprop rocker, supports rocker 11, rocker throw-over gear, safety feature firmly; Soft support rocker comprises first base, first reed, second reed, first roller, second roller, turning rolls, support, soft underprop projection; Rocker throw-over gear is located at soft underprop rocker both sides, supports above the rocker 11 firmly; Rocker throw-over gear comprises first slide block 10, second slide block 16, first screw mechanism 9, second screw mechanism 14; First slide block 10, second slide block 16 lay respectively at the both sides of soft underprop rocker; First screw mechanism 9 is connected with first slide block 10, and second screw mechanism 14 is connected with second slide block 16.Safety feature comprises pinch roller piece 1, roll-over protective structure 2.Pinch roller piece 1 is positioned on the roll-over protective structure 2, and pinch roller piece 1 can up-down adjustment, to be fit to the rotors of different sizes.Pinch roller piece 1 plays with roll-over protective structure 2 and prevents the rotor protective action of play up and down.
The soft underprop rocker comprises first base 8, first reed 6, second reed 15, first roller 3, turning rolls 4, support 5, soft underprop projection 7 and second roller 17; First roller 3 and second roller 17 are positioned on the turning rolls 4; Turning rolls 4 is slidingly connected with support 5; First reed 6, second reed 15 are positioned on first base 8, and soft underprop projection 7 links to each other with first base 8, and the displacement transducer in the measuring system is fixed on the soft underprop projection 7 that links to each other with first base 8.The balancing speed of soft-bearing dynamic balance machine is higher than the natural frequency of rotor-bearing system, requires ω >=2.5 ω o (ω o is a natural frequency), and natural frequency requires very low, is about 1.5Hz usually to 5Hz.Require the spring base rigidity of soft underprop very low like this, in soft underprop weighing apparatus machine vibration system, the mode that rocker can adopt reed suspension or spring base to support; Because the mode that adopts spring base to support; Spring base is very long, and its rigidity is very low, can cause stability not satisfy the demand.In order to make low and stable the meeting the demands of rigidity, can spring base be designed to bar of variable cross-section.
Hard supporting rocker 11 adopts H type integrative-structure; First screw mechanism 9 and second screw mechanism 14 all are made up of handle portion and threaded portion; Through rotating first screw mechanism 9 and second screw mechanism 14; First slide block 10 of side, second slide block 16 will move left and right, thereby realize soft underprop rocker pattern and support the mutual conversion between the rocker pattern firmly.When two slide blocks were shifted to two outsides respectively, this moment, the soft underprop rocker worked.The soft bearing balancing machine vibration amplitude is directly proportional with center displacement, so the sensor that uses is displacement transducer.Under the soft underprop pattern, balancing speed is higher than the natural frequency of rotor-bearing system.When the bossing of first slide block 10, second slide block 16 is embedded in the groove of soft underprop rocker, get into hard supporting pattern.Iff is put two slide blocks on one side in certain of rocker, is enclosed within on the same screw mechanism, and is very high to the requirement of precision like this, otherwise causes the location easily, perhaps rocker applied external force, causes measurement effect not good.Respectively put a slide block in both sides, can prevent the location.When hard supporting pattern, the convex design of first slide block 10, second slide block 16 makes that under hard supporting pattern, slide block participates in carrying, thereby under hard supporting pattern, advantages of high bearing capacity is being arranged, thereby can carry out more trochiterian transient equilibrium.Hard supporting balance vibration amplitude is directly proportional with uneven centrifugal force, so the sensor that uses under the supporting pattern firmly is piezoelectric force transducer.
Other parts adopt the classical architecture of dynamic balancing machine.Be put into such as whole frame on the guide rail of second base 13,, just can satisfy the required distance of rotor of different model through moving the distance between two frames.Above second base 13 reinforcement 12 is arranged, to improve rigidity, second base the inside part hollow is to practice thrift cost.
At when transportation, turn first screw mechanism 9 and second screw mechanism 14, the bossing of slide block is embedded in the groove of soft underprop rocker, slide block can play the effect of soft underprop protective device at this moment.
Before using the soft underprop pattern, first turn first screw mechanism 9 and second screw mechanism 14 are embedded into the bossing of slide block in the groove of soft underprop rocker, prevent that soft underprop rocker amplitude of fluctuation is excessive and destroy.If the rotor initial unbalance, is bigger, carries out transient equilibrium with hard supporting pattern earlier, and then carry out transient equilibrium with the soft underprop pattern.When two slide blocks were shifted to two outsides respectively, this moment, the soft underprop rocker worked.The soft bearing balancing machine vibration amplitude is directly proportional with center displacement, so the sensor that uses is displacement transducer.Under the soft underprop pattern, balancing speed is higher than the natural frequency of rotor-bearing system.When the bossing of first slide block 10, second slide block 16 is embedded in the groove of soft underprop rocker, get into hard supporting pattern.
Though more than described the embodiment of the utility model; But those skilled in the art is to be understood that; These only illustrate, and under the prerequisite of principle that does not deviate from the utility model and essence, can make numerous variations or modification to these embodiments.Therefore, the protection domain of the utility model is limited appended claims.
Claims (3)
1. a brace type soft or hard supports a body multifunctional dynamic balancing machine; It is characterized in that; It comprises the soft underprop rocker, supports rocker, rocker throw-over gear firmly; Rocker throw-over gear is located at soft underprop rocker both sides, supports above the rocker firmly, and rocker throw-over gear comprises first slide block, second slide block, first screw mechanism, second screw mechanism, and first slide block, second slide block lay respectively at the both sides of soft underprop rocker; First screw mechanism is connected with first slide block, and second screw mechanism is connected with second slide block.
2. brace type soft or hard as claimed in claim 1 supports a body multifunctional dynamic balancing machine; It is characterized in that; Said soft underprop rocker comprises first base, first reed, second reed, first roller, second roller, turning rolls, support, soft underprop projection, and first roller and second roller are positioned on the turning rolls, and turning rolls and support are slidingly connected; First reed, second reed are positioned on first base, and the soft underprop projection links to each other with first base.
3. brace type soft or hard as claimed in claim 1 supports a body multifunctional dynamic balancing machine, it is characterized in that, said hard supporting rocker adopts H type integrative-structure, and first screw mechanism and second screw mechanism all are made up of handle portion and threaded portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120523901 CN202393562U (en) | 2011-12-14 | 2011-12-14 | Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120523901 CN202393562U (en) | 2011-12-14 | 2011-12-14 | Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine |
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| CN202393562U true CN202393562U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120523901 Expired - Fee Related CN202393562U (en) | 2011-12-14 | 2011-12-14 | Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389182A (en) * | 2013-07-04 | 2013-11-13 | 河南科技大学 | A swing frame for mini-sized rotor dynamic balancing machine |
| CN103413486A (en) * | 2013-06-24 | 2013-11-27 | 东华大学 | Rigid-rotating-body soft unilateral supporting dynamic balancing machine |
| CN103411731A (en) * | 2013-07-04 | 2013-11-27 | 河南科技大学 | Dynamic balance measuring swing frame of miniature rotor |
| CN103743522A (en) * | 2014-01-27 | 2014-04-23 | 杭州集智机电股份有限公司 | Rigidity-variable support structure for flexible support balancing machine |
| CN104458127A (en) * | 2014-12-05 | 2015-03-25 | 南车洛阳机车有限公司 | Hard bearing dynamic balancing machine precision detection and verifying unit and precision calibration process |
| CN105571782A (en) * | 2015-12-14 | 2016-05-11 | 太原理工大学 | Optical dynamic balancer |
| CN105865714A (en) * | 2016-03-31 | 2016-08-17 | 西安电子科技大学 | Rotor imbalance measurement device based on grating scale feedback signal |
-
2011
- 2011-12-14 CN CN 201120523901 patent/CN202393562U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413486A (en) * | 2013-06-24 | 2013-11-27 | 东华大学 | Rigid-rotating-body soft unilateral supporting dynamic balancing machine |
| CN103413486B (en) * | 2013-06-24 | 2016-01-13 | 东华大学 | The soft monolateral support dynamic balancing machine of a kind of rigid rotator |
| CN103389182B (en) * | 2013-07-04 | 2016-06-01 | 河南科技大学 | Miniature rotor running balance indicating machine pendulum frame |
| CN103411731A (en) * | 2013-07-04 | 2013-11-27 | 河南科技大学 | Dynamic balance measuring swing frame of miniature rotor |
| CN103389182A (en) * | 2013-07-04 | 2013-11-13 | 河南科技大学 | A swing frame for mini-sized rotor dynamic balancing machine |
| CN103411731B (en) * | 2013-07-04 | 2016-06-01 | 河南科技大学 | Miniature rotor dynamic balancing measurement pendulum frame |
| CN103743522A (en) * | 2014-01-27 | 2014-04-23 | 杭州集智机电股份有限公司 | Rigidity-variable support structure for flexible support balancing machine |
| CN103743522B (en) * | 2014-01-27 | 2016-02-03 | 杭州集智机电股份有限公司 | For the stiffness variable supporting structure of soft bearing balancing machine |
| CN104458127A (en) * | 2014-12-05 | 2015-03-25 | 南车洛阳机车有限公司 | Hard bearing dynamic balancing machine precision detection and verifying unit and precision calibration process |
| CN104458127B (en) * | 2014-12-05 | 2017-04-19 | 南车洛阳机车有限公司 | Hard bearing dynamic balancing machine precision detection and verifying unit and precision calibration process |
| CN105571782A (en) * | 2015-12-14 | 2016-05-11 | 太原理工大学 | Optical dynamic balancer |
| CN105571782B (en) * | 2015-12-14 | 2017-11-07 | 太原理工大学 | Optics dynamic balancing machine |
| CN105865714A (en) * | 2016-03-31 | 2016-08-17 | 西安电子科技大学 | Rotor imbalance measurement device based on grating scale feedback signal |
| CN105865714B (en) * | 2016-03-31 | 2018-02-09 | 西安电子科技大学 | A kind of rotor unbalance measurement apparatus based on grating scale feedback signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141214 |
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| EXPY | Termination of patent right or utility model |