CN100346950C - Method for designing vibration exciter for construction machinery - Google Patents

Method for designing vibration exciter for construction machinery Download PDF

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Publication number
CN100346950C
CN100346950C CNB2003101059625A CN200310105962A CN100346950C CN 100346950 C CN100346950 C CN 100346950C CN B2003101059625 A CNB2003101059625 A CN B2003101059625A CN 200310105962 A CN200310105962 A CN 200310105962A CN 100346950 C CN100346950 C CN 100346950C
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China
Prior art keywords
eccentric shaft
vibrator
bearing
vibration
eccentric
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Expired - Fee Related
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CNB2003101059625A
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Chinese (zh)
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CN1623749A (en
Inventor
冯忠绪
赵利军
姚运仕
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Detong Intelligent Technology Co ltd
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Changan University
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Abstract

The invention provides a vibration exciter design method for construction machinery, which can be used in a vibration stirring device and a vibration compacting device and is characterized in that: the eccentric shaft is sleeved with a bearing and fixed with a balance weight block, and the shell is connected with the eccentric shaft through the bearing. The eccentric shaft can conform to e1=e2The double-end constant-amplitude eccentric condition of (1). The eccentric shaft may also conform to e1≠e2The double ends of the two-way pipe are eccentric in amplitude variation. Or the eccentric shaft conforms to e10. The eccentric shaft is connected with a power source in a transmission wayAnd (6) connecting. The balance weights are symmetrically and fixedly connected to the eccentric shaft. The vibration exciter for the construction machinery has the advantages of simple structure, good vibration effect, high reliability and long service life.

Description

The vibrator method for designing of construction Machines
Affiliated technical field
The invention provides a kind of vibrator method for designing of construction Machines, it is used in vibration agitating device and the vibrating compaction device.
Background technology
Vibration is stirred, vibrating compacting is applied in the engineering construction, and its major advantage is the efficient height.The vibration of these vibrating machines is realized by corresponding vibrator.The vibration of existing vibrator is to be produced by the rotation of the eccentric mass on the exciter shaft.In order to reach vibrating effect preferably, the oscillation intensity that needs is bigger, during vibrator work, exciter shaft and housing bring the bearing of installing on the exciter shaft bigger dynamic loading all in vibration on the one hand, reduce bearing life and reliability, for avoiding vibrating harmful effect, also need increase damper mechanism on the other hand, not only increase design difficulty other parts of machine, also cause the machine complicated integral structure, cost raises.
Summary of the invention
In order to overcome the deficiency of existing vibrator, the purpose of this invention is to provide a kind of vibrator method for designing of construction Machines, it is simple in structure, and vibrating effect is good, reliability height, long service life.
Technical scheme of the present invention is: the vibrator method for designing that a kind of construction Machines is provided, it is characterized in that: it comprises eccentric shaft, housing, and bearing and counterweight block connect and compose, be with bearing on the eccentric shaft and be fixed with counterweight block, housing is connected on the eccentric shaft by bearing.
Described eccentric shaft meets e 1=e 2The eccentric condition of both-end constant amplitude.
Described eccentric shaft meets e 1≠ e 2Both-end luffing off-centre.
Described eccentric shaft meets e 1=0.
Described eccentric shaft meets e 2The form of=0 single-ended off-centre.
Described eccentric shaft and power source are in transmission connection.
Described counterweight block symmetry is fixedly connected on the eccentric shaft.
Characteristics of the present invention are: the eccentric shaft of vibrator has carried out the dynamic balancing design by mechanics principle, has guaranteed that the inertia force and the inertia couple of its each eccentric mass generation are able to balance to eccentric shaft simultaneously in the running.Like this when vibrator is worked, it only is the housing forced vibration that is connected on the eccentric shaft with the eccentric shaft rotation, the vibration of housing is directly delivered on the working media, the eccentric shaft itself that satisfies the dynamic balancing condition does not vibrate, guaranteed that vibration can not be passed to machine power mechanism on other interior parts, eliminated the harmful effect of vibration preferably to other parts of machine, thus the reliability and the service life of improving machine.The vibrator of this particular design, amplitude stability is not subjected to the influence of operation medium, and also without any need for damper mechanism, simple in structure, both guaranteed vibrating effect, enough service life and reliability are arranged again.In addition, eccentric shaft can be designed to both-end constant amplitude off-centre as required, perhaps both-end luffing off-centre, the perhaps form of single-ended off-centre.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the structural representation of embodiment vibrator.
Fig. 2 is the structural representation of vibrator in the vertical shaft oscillating mixer.
Fig. 3 is the structural representation of vibrator at the horizontal axis oscillating mixer.
Fig. 4 is the structural representation of vibrator at vibratile compacter.
Among the figure: 1, housing, 2, bearing, 3, counterweight block, 4, eccentric shaft, 5, mixing drum, 6, mix blade, 7, vibrator, 8, power drive mechanism, 9, power source, 10, shaft, 11, wheel carrier.
The specific embodiment
As shown in Figure 1, vibrator is by housing 1, bearing 2, and counterweight block 3 and eccentric shaft 4 are formed.The two ends of eccentric shaft 4 are socketed with bearing 2, and housing 1 is fixedly connected on the bearing 2, and counterweight block 3 is pressed equilibrium condition and is fixedly connected on the eccentric shaft 4, and eccentric shaft 4 is in transmission connection with power source.During vibrator work, eccentric shaft 4 rotates at a high speed and makes housing 1 produce vibration, and counterweight block 3 centrifugal force of rotation generation is at a high speed offset the dynamic loading that 1 pair of eccentric shaft of housing 4 produces, and guarantees eccentric shaft 4 maintenance dynamic balancing when rotating at a high speed.The vibration that vibrator produces is directly delivered on the working media by housing 1, and the eccentric shaft 4 that satisfies the dynamic balancing condition does not vibrate, and has both guaranteed vibrating effect, and enough service life and reliability are arranged again.Eccentric shaft 4 can be designed to e as required 1=e 2Both-end constant amplitude off-centre, also can be designed to e 1≠ e 2Both-end luffing off-centre, and even e 1=0 or e 2The form of=0 single-ended off-centre.
As shown in Figure 2, the vertical shaft oscillating mixer is by mixing drum 5, stirring vane 6, and vibrator 7, power drive mechanism 8 and power source 9 are formed.Stirring vane 6 is fixedlyed connected with shaft 10, and shaft 10 is in transmission connection by power drive mechanism 8 with power source 9.Vibrator 7 is installed in the mixing drum 5, by housing 1, and bearing 2, counterweight block 3 and eccentric shaft 4 are formed.The two ends of eccentric shaft 4 are socketed with bearing 2, and housing 1 is fixedly connected on the bearing 2, and counterweight block 3 is pressed equilibrium condition and is fixedly connected on the eccentric shaft 4, and eccentric shaft 4 is in transmission connection by power drive mechanism 8 and power source 9.During mixer work, stirring vane 6 rotations are pushed the housing 1 of vibrator 7 to entering mixing drum 5 interior materials.Vibrator housing 1 produces forced vibration under eccentric shaft 4 turning efforts, thereby the material in the mixing drum 5 is applied vibration, and its internal viscosity power is descended greatly, is the energy-efficient condition created of mixing thoroughly.Eccentric shaft 4 in the vibrator 7 is designed to both-end luffing off-centre, upper end eccentric amount e 1Little, the lower end eccentric amount e 2Greatly, the design of this luffing has guaranteed that axle head power input amplitude is zero.
As shown in Figure 3, the horizontal axis oscillating mixer is by mixing drum 5, stirring vane 6, and vibrator 7, power drive mechanism 8 and power source 9 formed, and wherein vibrator 7 is by housing 1, bearing 2, counterweight block 3, eccentric shaft 4 is formed, and housing 1 also is the shaft of mixer.Stirring vane 6 is fixedlyed connected with housing 1, and housing 1 is in transmission connection by power drive mechanism 8 and power source 9.Eccentric shaft 4 two ends of vibrator 7 are socketed with bearing 2, and housing 1 is fixedly connected on the bearing 2, and counterweight block 3 is pressed equilibrium condition and is fixedly connected on the eccentric shaft 4, and eccentric shaft 4 is in transmission connection by power drive mechanism 8 and power source 6.During mixer work, eccentric shaft 4 and housing 1 rotate simultaneously, and housing 1 drives stirring vane 6 and vibrates while stirring, and the active area and the space of vibration are big, and vibrational energy distribution is even, and required oscillation intensity is little.For guaranteeing the functional reliability of rabbling mechanism, the eccentric shaft 4 in the vibrator 7 is designed to single-ended off-centre, is zero near the off-centre that stirs power drive mechanism one end.Because stirring vane 6 can promote material and circulate in mixing drum 5, thereby the material in whole space can be subjected to the vibration effect.
As shown in Figure 4, vibratile compacter is by vibrator 7, power drive mechanism 8, and power source 9 and wheel carrier 11 formed, and wherein vibrator 7 is by housing 1, bearing 2, counterweight block 3 and eccentric shaft 4 are formed, and housing 1 also is the roller of compacting machine.On wheel carrier 11, power source 9 is fixedly connected on the wheel carrier 11 vibrator 7 by bearings.Eccentric shaft 4 two ends of vibrator are socketed with bearing 2, and housing 1 is fixedly connected on the bearing 2, and counterweight block 3 is pressed equilibrium condition and is fixedly connected on the eccentric shaft 4, and eccentric shaft 4 is in transmission connection by power drive mechanism 8 and power source 9.In compacting machine when work,, housing 1 forced vibration under the high speed rotation of eccentric shaft 4 is compacted on the medium thereby vibration is directly delivered to, and realizes vibrating compacting.For guaranteeing to be compacted the uniformity of medium, the eccentric shaft 4 in the vibrator 7 is designed to e 1=e 2

Claims (3)

1, the vibrator of construction Machines, it is characterized in that: it comprises eccentric shaft, housing, bearing and counterweight block connect and compose, and satisfy on the eccentric shaft of dynamic balancing condition to be with bearing and to be fixed with counterweight block, and housing is connected on the eccentric shaft by bearing; Eccentric shaft meets e 1=e 2The eccentric condition of both-end constant amplitude.
2, the vibrator of construction Machines according to claim 1 is characterized in that: the eccentric shaft that satisfies the dynamic balancing condition meets e 1The form of=0 single-ended off-centre.
3, the vibrator of construction Machines according to claim 1 is characterized in that: the eccentric shaft that satisfies the dynamic balancing condition meets e 2The form of=0 single-ended off-centre.
CNB2003101059625A 2003-11-21 2003-11-21 Method for designing vibration exciter for construction machinery Expired - Fee Related CN100346950C (en)

Priority Applications (1)

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CNB2003101059625A CN100346950C (en) 2003-11-21 2003-11-21 Method for designing vibration exciter for construction machinery

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Application Number Priority Date Filing Date Title
CNB2003101059625A CN100346950C (en) 2003-11-21 2003-11-21 Method for designing vibration exciter for construction machinery

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CN100346950C true CN100346950C (en) 2007-11-07

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102441941B (en) * 2011-11-09 2014-08-20 西安德通交通科技有限公司 Single horizontal shaft vibration mixer
CN104827574A (en) * 2015-05-08 2015-08-12 西安德通振动搅拌技术有限公司 Forcing type vibration stirring machine
CN107672030A (en) * 2017-11-16 2018-02-09 长安大学 A kind of vertical vibrating mixer with spiral vibrator
CN108519204B (en) * 2018-04-11 2019-11-26 中国科学院工程热物理研究所 A kind of adjustable blade vibration excitor of three-dimensional vibrating mode and its design method
CN109877964A (en) * 2019-03-08 2019-06-14 中国核电工程有限公司 A kind of cement solidification agitating paddle with vibration self-cleaning function
CN110405946A (en) * 2019-07-25 2019-11-05 长安大学 A kind of concrete mixing and transporting car with Vibratory Mixing effect

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2143165Y (en) * 1992-07-11 1993-10-06 西安冶金建筑学院 Vibreting concrete mixer
CN2259984Y (en) * 1996-07-26 1997-08-20 姚康华 Low noise concrete mixer vibration rod
CN2413888Y (en) * 1999-08-17 2001-01-10 冯忠绪 Reinforced agitator for concrete
CN2673517Y (en) * 2003-11-21 2005-01-26 冯忠绪 Vibration exciter capable of satisfying dynamic equilibrium condition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2143165Y (en) * 1992-07-11 1993-10-06 西安冶金建筑学院 Vibreting concrete mixer
CN2259984Y (en) * 1996-07-26 1997-08-20 姚康华 Low noise concrete mixer vibration rod
CN2413888Y (en) * 1999-08-17 2001-01-10 冯忠绪 Reinforced agitator for concrete
CN2673517Y (en) * 2003-11-21 2005-01-26 冯忠绪 Vibration exciter capable of satisfying dynamic equilibrium condition

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EE01 Entry into force of recordation of patent licensing contract

Assignee: FANGYUAN GROUP HAIYANG CONSTRUCTION MACHINERY Co.,Ltd.

Assignor: CHANG'AN University

Contract fulfillment period: 2008.2.12 to 2023.11.21

Contract record no.: 2009370000341

Denomination of invention: Method of designing vibration exciter for constructive machinery

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Name of requester: FINELAND GROUP HAIYANG CONSTRUCTION MACHINERY CO.,

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Assignee: FANGYUAN GROUP HAIYANG CONSTRUCTION MACHINERY Co.,Ltd.

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Denomination of invention: Method of designing vibration exciter for constructive machinery

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

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Address before: 710064 Mailbox 322, School Headquarters, Chang'an University, Central South Second Ring Road, Xi'an City, Shaanxi Province

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

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Address before: 461000 southeast corner of the intersection of Longxiang road and Chenzhuang street, Xuchang City, Henan Province

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

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