阅读说明：本技术 一种交替式流体泵送装置 (A kind of alternative expression fluid pumping apparatus ) 是由 唐勰 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种交替式流体泵送装置,包括：固定座、介质分配阀、第一缸体、第二缸体和两个齿轮,所述第一缸体和第二缸体间隔设置在介质分配阀的一侧,两个齿轮分别位于第一缸体和第二缸体的后方并啮合,所述第一缸体和第二缸体中分别设置有活塞,所述齿轮上分别偏心设置有立柱,所述立柱与对应的活塞之间设置有摆臂,所述固定座上设置有分别支撑齿轮旋转的转轴,所述固定座中设置有与其中一个转轴底部相连接的旋转驱动装置。通过上述方式,本发明所述的交替式流体泵送装置,两个齿轮啮合后的动作精准,有利于第一缸体和第二缸体的交替泵送,而且齿轮无需回转,有利于提升活塞运动的速率,泵送效率高。(The invention discloses a kind of alternative expression fluid pumping apparatus, it include: fixing seat, medium distributing valve, first cylinder body, second cylinder body and two gears, first cylinder body and the second cylinder body are arranged at intervals on the side of medium distributing valve, two gears are located at rear and the engagement of the first cylinder body and the second cylinder body, piston is respectively arranged in first cylinder body and the second cylinder body, eccentric setting has column respectively on the gear, swing arm is provided between the column and corresponding piston, the shaft of support gear rotation respectively is provided in the fixing seat, the rotation drive device being connected with one of shaft bottom is provided in the fixing seat.By the above-mentioned means, alternative expression fluid pumping apparatus of the present invention, the movement after two gear engagements is accurate, is conducive to the alternating pumping of the first cylinder body and the second cylinder body, and gear is conducive to the rate for promoting piston motion without revolution, pumping efficiency is high.)

1. a kind of alternative expression fluid pumping apparatus characterized by comprising fixing seat, medium distributing valve, the first cylinder body, second Cylinder body and two gears, the medium distributing valve are arranged in fixing seat, and first cylinder body and the second cylinder body are arranged at intervals on The side of medium distributing valve, two gears are located at rear and the engagement of the first cylinder body and the second cylinder body, first cylinder body Be respectively arranged with piston in the second cylinder body, eccentric setting has a column respectively on the gear, the column and corresponding piston Between be provided with swing arm, the shaft of support gear rotation respectively is provided in the fixing seat, be provided in the fixing seat with The rotation drive device that one of shaft bottom is connected.

2. alternative expression fluid pumping apparatus according to claim 1, which is characterized in that first cylinder body and the second cylinder body It is parallel.

3. alternative expression fluid pumping apparatus according to claim 1, which is characterized in that the piston back side is provided with pin shaft Seat, the axis pin base are flexibly connected with swing arm front end using pin shaft.

4. alternative expression fluid pumping apparatus according to claim 1, which is characterized in that be provided in the swing arm and column Corresponding location hole is provided with the bearing being set on column in the location hole.

5. alternative expression fluid pumping apparatus according to claim 4, which is characterized in that the column is multi-diameter shaft, and outer Circle lower part is provided with external screw thread, and eccentric setting has threaded hole corresponding with external screw thread on the gear.

6. alternative expression fluid pumping apparatus according to claim 1, which is characterized in that the rotation drive device is to slow down The input terminal of case or hydraulic motor, the reduction gearbox is provided with motor.

7. alternative expression fluid pumping apparatus according to claim 1, which is characterized in that in the first cylinder body corresponding gear Column when being moved to the first cylinder body spacing proximal most position, the column in the second cylinder body corresponding gear is moved to and the second cylinder body Spacing highest distance position.

Technical field

The present invention relates to fluid pumping technology fields, more particularly to a kind of alternative expression fluid pumping apparatus.

Background technique

The pumping of the fluids such as mortar, concrete generallys use conveying cylinder progress, and oil cylinder carries out the driving of conveying cylinder inner piston, Realize the pumping of fluid in conveying cylinder.In order to promote the efficiency of pumping, it can be worked alternatively using two conveying cylinders, pass through medium Distributing valve carries out the distribution of medium, realizes the uninterrupted pumping of medium.

Application No. is 201611048041.3 applications for a patent for invention to disclose a kind of concrete pump, and two masters are respectively adopted Oil cylinder carries out the driving of two conveying cylinders, and energy consumption is high, and the control structure of two master cylinders is more complicated, it is difficult to realize two The accurate cooperation of conveying cylinder, is adjusted and maintenance is inconvenient, and the rate that master cylinder driving piston moves back and forth is low, therefore, pumping Efficiency it is relatively low.

Summary of the invention

The invention mainly solves the technical problem of providing a kind of alternative expression fluid pumping apparatus, simplify structure, elevator pump Transmission rate.

In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of alternative expression fluid pumping is provided Device, comprising: fixing seat, medium distributing valve, the first cylinder body, the second cylinder body and two gears, the medium distributing valve setting exist In fixing seat, first cylinder body and the second cylinder body are arranged at intervals on the side of medium distributing valve, and two gears are located at The rear of one cylinder body and the second cylinder body and engagement are respectively arranged with piston, the gear in first cylinder body and the second cylinder body Upper eccentric setting respectively has column, and swing arm is provided between the column and corresponding piston, is provided in the fixing seat point Not Zhi Cheng gear rotation shaft, the rotation driving dress being connected with one of shaft bottom is provided in the fixing seat It sets.

In a preferred embodiment of the present invention, first cylinder body and the second cylinder body are parallel.

In a preferred embodiment of the present invention, the piston back side is provided with axis pin base, before the axis pin base and swing arm End is flexibly connected using pin shaft.

In a preferred embodiment of the present invention, location hole corresponding with column, the positioning are provided in the swing arm The bearing being set on column is provided in hole.

In a preferred embodiment of the present invention, the column is multi-diameter shaft, and outer circle lower part is provided with external screw thread, described Eccentric setting has threaded hole corresponding with external screw thread on gear.

In a preferred embodiment of the present invention, the rotation drive device be reduction gearbox or hydraulic motor, it is described to subtract The input terminal of fast case is provided with motor.

In a preferred embodiment of the present invention, the column in the first cylinder body corresponding gear is moved to and the first cylinder body When spacing proximal most position, the column in the second cylinder body corresponding gear is moved to and the second cylinder body spacing highest distance position.

The beneficial effects of the present invention are: a kind of alternative expression fluid pumping apparatus that the present invention points out, by two gears The column of eccentric setting carries out the driving of the first cylinder body and the second cylinder body inner piston, the movement essence after two gear engagements respectively Standard is conducive to the alternating pumping of the first cylinder body and the second cylinder body, and gear single direction rotation is conducive to mention without revolution The rate of piston motion is risen, pumping efficiency is high, and it is simple for structure, it adjusts and safeguards and is relatively convenient.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:

Fig. 1 is a kind of structural schematic diagram of one preferred embodiment of alternative expression fluid pumping apparatus of the present invention.

Specific embodiment

The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.

Referring to Fig. 1, the embodiment of the present invention includes:

Alternative expression fluid pumping apparatus as shown in Figure 1, comprising: fixing seat 5, medium distributing valve 3, the first cylinder body 1, the second cylinder body 2 and two gears 10, the medium distributing valve 3 is arranged in fixing seat 5, is fixed using bolt, sound construction.

First cylinder body 1 and the second cylinder body 2 are arranged at intervals on the side of medium distributing valve 3, front end and medium distributing valve 3 Corresponding port is connected, and is fastened using screw, and first cylinder body 1 and the second cylinder body 2 are parallel, facilitates and unites One driving.

Two gears 10 are located at the rear of the first cylinder body 1 and the second cylinder body 2 and engagement, are arranged in the fixing seat 5 There is the shaft 9 that support gear 10 rotates respectively, facilitates gear 10 to be mounted in shaft 9, can be set in fixing seat 5 and shaft 9 Corresponding bearing block promotes the flexibility that gear 10 rotates.

The rotation drive device being connected with one of 9 bottom of shaft is provided in the fixing seat 5, the rotation is driven Dynamic device is reduction gearbox or hydraulic motor, when using hydraulic motor, can be driven by the hydraulic system of pump truck, described The input terminal of reduction gearbox is provided with motor, by carrying out the control of revolving speed with the matched speed setting controller of motor, realizes two teeth The synchronous backward rotation of wheel 10.

It is respectively arranged with piston 4 in first cylinder body 1 and the second cylinder body 2, eccentric setting has respectively on the gear 10 Column 8 is provided with swing arm 6 between the column 8 and corresponding piston 4, by the rotation of gear 10, drives the swing of swing arm 6 And the reciprocating motion of piston 4.4 back side of piston is provided with axis pin base 11, and the axis pin base 11 uses pin shaft with 6 front end of swing arm It is flexibly connected, is conducive to the swing of swing arm 6 and the traction to axis pin base 11 and piston 4.

It is provided with location hole corresponding with column 8 in the swing arm 6, is provided with and is set on column in the location hole Bearing 7 reduces the wear problem of column 8.The column 8 is multi-diameter shaft, carries out the axial limiting of bearing 7,8 outer circle lower part of column It is provided with external screw thread, eccentric setting has threaded hole corresponding with external screw thread on the gear 10, facilitates the installation of column 8.

When column in first cylinder body, 1 corresponding gear is moved to 1 spacing proximal most position of the first cylinder body, the second cylinder body Column in 2 corresponding gears, which is moved to, to be realized with the second cylinder body spacing highest distance position as two 10 synchronous backwards of gear operate The reversed alternately precisely operation of piston 4 in first cylinder body 1 and second cylinder body 2, pumping it is high-efficient.

In conclusion a kind of alternative expression fluid pumping apparatus that the present invention points out, the positive and negative rotation without gear switches, favorably In the movement rate for promoting piston 4, pumping efficiency is promoted, simple for structure, maintenance convenience.

The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.