CN201738223U

CN201738223U - Double eccentric block oscillation system

Info

Publication number: CN201738223U
Application number: CN2010202079797U
Authority: CN
Inventors: 罗天洪; 甘信富; 罗文军
Original assignee: Chongqing Jiaotong University
Current assignee: Chongqing Jiaotong University
Priority date: 2010-05-28
Filing date: 2010-05-28
Publication date: 2011-02-09
Anticipated expiration: 2020-05-28

Abstract

The utility model discloses a double eccentric block oscillation system, which comprises an oscillation component and a driving component. The oscillation component comprises a driving gear which is fixedly matched with a driving gear shaft in the circumferential direction and a driven gear which is fixedly matched with a driven gear shaft in the circumferential direction. The driving gear meshes with the driven gear and the transmission ratio is 1. The phase angel of an eccentric block I on the driving gear shaft and an eccentric block II on the driven gear shaft is 180 degrees. In the rotation process, the two eccentric blocks just counteract respective horizontal force on an oscillation machine and consequently eliminate component forces in other directions. The composite forces of the two eccentric blocks are always in the vertical direction. The utility model is applicable to a paver which has strict requirement on the horizontal force, can eliminate the horizontal force generated in the oscillation process and the unfavorable influences of other non-vertical component forces, is favorable to the improvement of the quality of a paved road surface, improves work efficiency, prolongs the service life of the oscillation machine and reduces fault rate.

Description

Two eccentric block vibrational systems

Technical field

The utility model relates to a kind of oscillating machinery, relates in particular to a kind of pair of eccentric block vibrational system.

Background technology

Oscillating machinery is to instigate near the reciprocating motion the equilbrium position along straight line or curve of position, vibration section, because oscillating machinery all obtains using comparatively widely in every field, the realm of building construction particularly, paver during such as the making road, the vibration frequency of oscillating machinery, vibration force are the quality assurances that guarantees urban road laying.

In the prior art, the vibration component of sub-base grader is eccentric vibration, and vibrating mass along with the size of rotational angle, can produce horizontal force or other non-vertical component in rotation process, cause the waste that drives dynamic efficiency; And for for the spreading machine that biases toward vertical force, horizontal vibration can produce level or non-perpendicular component to vibration surface, influences oscillating mass, and the existence of horizontal force and continuous variation will have very big influence to paver speed constant.

Therefore, need a kind of this machinery that vibration is had relatively high expectations for vertical direction of paver that is applicable to, can not produce horizontal force and non-vertical component in the vibration processes, can improve the quality of institute's paving concrete pavement largely.

The utility model content

In view of this, the utility model provides a kind of pair of eccentric block vibrational system, be applicable to for using on the comparatively strict paver of horizontal force requirement, can eliminate horizontal force and other non-vertical component of producing in the vibration processes, be beneficial to the raising that guarantees institute's paving concrete pavement quality, increase work efficiency, simultaneously, guarantee the oscillating machinery prolongation in application life itself, reduce fault rate.

A kind of pair of eccentric block vibrational system of the present utility model, involving vibrations assembly and driven unit, described vibration component comprise driving gear shaft, driven gear shaft, with driving gear shaft the driving gear of circumferencial direction secure fit and with the driven gear of driven gear shaft in the circumferencial direction secure fit, described driving gear and driven gear are meshing with each other and gearratio is 1; Eccentric block I is set on the driving gear shaft, eccentric block II is set on the driven gear shaft, described eccentric block I and eccentric block II phase angle in the horizontal direction are 180 °.

Further, described driven unit comprises hydraulic motor and is used to drive the hydraulic pump of hydraulic motor that the power output shaft of hydraulic motor cooperates with driving gear through-drive;

Further, described hydraulic pump outlet is communicated in the hydraulic motor inlet by one way valve, and the hydraulic motor outlet is communicated with the hydraulic pump inlet, and the hydraulic pump outlet is arranged in parallel overflow valve I with hydraulic motor; Described hydraulic pump inlet is provided with fluid infusion system, described fluid infusion system comprises fluid infusion pump and fuel tank I, described fluid infusion pump intake is communicated with fuel tank I by oil filter, outlet is communicated in the hydraulic pump inlet by the fluid infusion pipeline, fluid infusion pump discharge and liquid supplementation pipe line parallel are provided with overflow valve II, and overflow valve II liquid outlet is communicated in a fuel tank II;

Further, described vibration component also comprises gear-box, and described driving gear shaft and driven gear shaft are rotatably assorted load in gear-box at circumferencial direction;

Further, described eccentric block I is arranged at driving gear shaft removably, and eccentric block II is arranged at driven gear shaft removably.

The beneficial effects of the utility model are: two eccentric block vibrational systems of the utility model structure, employing horizontal phase angle is two eccentric block structures of 180 °, and gearratio is 1, two eccentric blocks are just offset the horizontal force that separately oscillating machinery is produced in the rotation process, therefore also eliminate component in other direction, the two is positioned at vertical direction with joint efforts all the time, be applicable to for using on the comparatively strict paver of horizontal force requirement, can eliminate the adverse effect of the horizontal force that produces in the vibration processes and other non-vertical component, be beneficial to the raising that guarantees institute's paving concrete pavement quality, increase work efficiency, simultaneously, guarantee the oscillating machinery prolongation in application life itself, reduce fault rate.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Accompanying drawing is a structural representation of the present utility model.

The specific embodiment

Accompanying drawing is a structural representation of the present utility model, as shown in the figure: two eccentric block vibrational systems, involving vibrations assembly and driven unit, described vibration component comprise driving gear shaft 4, driven gear shaft 3, with driving gear shaft 3 the driving gear 6 of circumferencial direction secure fit and with the driven gear 5 of driven gear shaft 3 in the circumferencial direction secure fit, described driving gear 6 is meshing with each other with driven gear 5 and gearratio is 1; Eccentric block I2 is set on the driving gear shaft 4, eccentric block II1 is set on the driven gear shaft 3, described eccentric block I2 and eccentric block II1 phase angle in the horizontal direction are 180 °.

In the present embodiment, described driven unit comprises hydraulic motor 10 and is used to drive the hydraulic pump 18 of hydraulic motor 10 that the power output shaft of hydraulic motor 10 cooperates with driving gear shaft 4 transmissions; As shown in the figure, for hydraulic motor 10 provides the energy, the power output shaft of hydraulic motor 10 cooperates with driving gear shaft 4 transmissions by shaft coupling 8 hydraulic pump 18 under the driving of motor 19; Adopt hydraulic motor 10 to drive, can be by adjusting beating liquid measure and beating hydraulic coupling of hydraulic pump 18, realize the adjustment of hydraulic motor 10 rotating speeds, can regulate vibration frequency and seismic inertia (vibration force), at different pave medium and paving thicknesses, adjust optimum vibration frequency and seismic inertia (vibration force), thereby obtain high-quality road surface.

In the present embodiment, described hydraulic pump 18 outlets are communicated in hydraulic motor 10 inlets by one way valve 9, and hydraulic motor 10 outlets are communicated with hydraulic pump 18 inlets, and hydraulic pump 18 outlets are arranged in parallel overflow valve I11 with hydraulic motor 10; Described hydraulic pump 18 inlets are provided with fluid infusion system, described fluid infusion system comprises fluid infusion pump 16 and fuel tank I12, described fluid infusion pump 16 inlets are communicated with fuel tank I12 by oil filter 14, outlet is communicated in hydraulic pump 18 inlets by

fluid infusion pipeline

17,16 outlets of fluid infusion pump are arranged in parallel overflow valve II15 with fluid infusion pipeline 17, and overflow valve II15 liquid outlet is communicated in a fuel tank II13; Overflow valve I11 is used for the maximum working pressure (MWP) of regulating system; Fluid infusion pump 16 among the figure is the low pressure pipeline repairings that are used for to system, with additional leakage rate, and can set up certain low pressure in low pressure pipeline, improves the intake performance of hydraulic pump, prevents that cavitation and air from infiltrating system; Reduce system temperature by repairing simultaneously; Overflow valve II15 is used for regulating the pressure of fluid infusion pump 16.

In the present embodiment, described vibration component also comprises gear-box 7, and described driving gear shaft 4 and driven gear shaft 3 are rotatably assorted load in gear-box 7 at circumferencial direction.

In the present embodiment, described eccentric block I2 is arranged at driving gear shaft 4 removably, and eccentric block II1 is arranged at driven gear shaft 3 removably; Eccentric block is dismountable, can select the eccentric block of different quality according to different needs, thereby reaches the purpose of adjusting vibration force

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. two eccentric block vibrational system, it is characterized in that: involving vibrations assembly and driven unit, described vibration component comprise driving gear shaft, driven gear shaft, with driving gear shaft the driving gear of circumferencial direction secure fit and with the driven gear of driven gear shaft in the circumferencial direction secure fit, described driving gear and driven gear are meshing with each other and gearratio is 1; The eccentric block I is set on the driving gear shaft, the eccentric block II is set on the driven gear shaft, described eccentric block I and eccentric block II phase angle in the horizontal direction are 180 °.

2. according to claim 1 pair of eccentric block vibrational system is characterized in that: described driven unit comprises hydraulic motor and is used to drive the hydraulic pump of hydraulic motor that the power output shaft of hydraulic motor cooperates with driving gear through-drive.

3. according to claim 2 pair of eccentric block vibrational system is characterized in that: described hydraulic pump outlet is communicated in the hydraulic motor inlet by one way valve, and the hydraulic motor outlet is communicated with the hydraulic pump inlet, and the hydraulic pump outlet is arranged in parallel the overflow valve I with hydraulic motor; Described hydraulic pump inlet is provided with fluid infusion system, described fluid infusion system comprises fluid infusion pump and fuel tank I, described fluid infusion pump intake is communicated with the fuel tank I by oil filter, outlet is communicated in the hydraulic pump inlet by the fluid infusion pipeline, fluid infusion pump discharge and liquid supplementation pipe line parallel are provided with the overflow valve II, and overflow valve II liquid outlet is communicated in a fuel tank II.

4. according to claim 3 pair of eccentric block vibrational system, it is characterized in that: described vibration component also comprises gear-box, described driving gear shaft and driven gear shaft are rotatably assorted load in gear-box at circumferencial direction.

5. according to claim 4 pair of eccentric block vibrational system is characterized in that: described eccentric block I is arranged at driving gear shaft removably, and the eccentric block II is arranged at driven gear shaft removably.