CN202645987U - Distribution valve for pumping system, pumping system and engineering machinery - Google Patents
Distribution valve for pumping system, pumping system and engineering machinery Download PDFInfo
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- CN202645987U CN202645987U CN 201220114568 CN201220114568U CN202645987U CN 202645987 U CN202645987 U CN 202645987U CN 201220114568 CN201220114568 CN 201220114568 CN 201220114568 U CN201220114568 U CN 201220114568U CN 202645987 U CN202645987 U CN 202645987U
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Abstract
The utility model provides a distribution valve for a pumping system. The distribution valve comprises a valve body, wherein the valve body is provided with a valve cavity, and the valve body is further provided with an a valve port, a b valve port and a c valve port which are communicated with the valve cavity. A valve plug is arranged in the valve cavity, and the valve plug can alternatively seal the a valve port and the b valve port under the action of a driving mechanism. The utility model further provides a pumping system containing two distribution valves, the purpose that two delivery cylinders suck materials and pump materials alternatively can be achieved by using two valve plugs. The pump system is simple in structure, reliable in distribution performance and capable of saving cost and installation space. Furthermore, two valve plugs are respectively driven by two set of driving mechanisms so as to greatly simplifying a control system and lightening the weight of the whole machine. The utility model further provides engineering machinery containing the pumping system.
Description
Technical field
The utility model relates to distributing valve, more specifically, relates to a kind of distributing valve of pumping system.The utility model also relates to a kind of system and a kind of engineering machinery sent of pump.
Background technique
Butterfly valve shown in Figure 1 is grouting pump distributing valve form general on the present domestic and international market, comprises discharging oil cylinder 000, valve body 100, material feeding mouth 200, charging oil cylinder 300 and discharge port 400.When pressure oil entered left master cylinder rodless cavity, piston rod promoted left side concrete piston and will carry the slip casting in the cylinder to discharge.Left side charging this moment valve plug has sealed the left side and has carried cylinder to lead to the passage of hopper under the effect of left side charging oil cylinder 310, and discharging valve plug in left side is opened the left side and carried cylinder to lead to the passage of discharge port 400 under the effect of left side discharging oil cylinder 010.Carry the slip casting of discharging in the cylinder by discharged to discharge port 400 (linking to each other with conveyance conduit).Meanwhile, hydraulic oil enters right side master cylinder rod chamber and makes piston rod drive right side concrete piston-retraction and suck slip casting, and right side discharging valve plug 021 is under the effect of right side discharging oil cylinder 020, having sealed the right side carries cylinder to lead to the passage of discharge port, right side charging valve plug 321 is under the effect of right side charging oil cylinder 320, opened the right side and carried cylinder to lead to the passage of hopper, the slip casting in the hopper is inhaled into right conveying cylinder.When above-mentioned motion was reached home, left side master cylinder rodless cavity hydraulic oil promoted pilot operated directional control valve, realized automatic reverse.So the right side carries slip casting in the cylinder by discharged to discharge port 400, the left side is carried cylinder to suck the slip casting in the hopper and is finished a work cycle.
Yet, use above-mentioned four oil cylinders to control respectively four valve plugs, complex structure, take up room and cost higher.
A kind of concrete pumping method and the concrete pump set of realizing continuous discharge disclosed in the correlation technique, by control gear the distributing valve of left pumping cylinder and right pumping cylinder is controlled separately respectively, left pumping cylinder and the right pumping cylinder distributing valve by separately be communicated with pump discharge when the pumping discharging or be communicated with the hopper maintenance during in suction, and in the right pumping oil cylinder of the left pumping oil cylinder of left pumping cylinder and right pumping cylinder any one pumping oil cylinder pump travel time more than or equal to suction travel time and its distributing valve round turn around time of sum of another one pumping oil cylinder.This technology can make the concrete pump set realize continuous discharge, improves the working efficiency of the concrete pump set, is interrupted the shock problem that discharging causes thereby solve the concrete pump set, prolongs the concrete pump set and corollary equipment working life.Yet this technology mainly focuses on the working efficiency that improves equipment by the control time, does not relate to the concrete structure of pumping installations.
Another correlation technique discloses a kind of two cylinders (carrying cylinder for two) formula viscose material pump.This two cylinders formula viscose material pump comprises a pair of conveying cylinder, a feeding valve casing, and a viscous material is supplied with the cabin, an output valve casing, a pair of intake valve regulator, a pair of delivery valve regulator and scaffold etc.This technology will be owing to will carry cylinder, and intake valve and delivery valve drive the vertically superposed configuration of cylinder, therefore can reduce the structure height of two cylinder viscose material pumps and improve the simple and easy degree of maintenance.This correlation technique adopts four oil cylinders to control respectively four valve plugs and controls suction and pumping, has equally complex structure, takes up room and defective that cost is higher.
The model utility content
In order one of to solve the problems of the technologies described above at least, the utility model provides a kind of concrete distributing valve structure, adopts two valve plugs to control suction and pumping.
The distributing valve of the pumping system that the utility model provides comprises valve body, and described valve body has valve pocket, a valve port, b valve port and the c valve port that are communicated with described valve pocket the setting of described valve body; In described valve pocket valve plug is set, described valve plug can alternately seal described a valve port and described b valve port under the effect of driving mechanism.
Preferably, described driving mechanism is the oil cylinder that is installed on the described valve body, and the piston rod of described oil cylinder passes described a valve port and is fixedly connected with described valve plug.
Preferably, the angle r between the axis of the axis of described piston rod and described conveying cylinder is 0 °＜r≤90 °.
The utility model also provides a kind of pumping system, comprise and carry cylinder, supply pipe and discharge nozzle, also comprise each described distributing valve in the technique scheme, wherein, described a valve port is communicated with described supply pipe, described b valve port is communicated with described discharge nozzle, and described c valve port is communicated with described conveying cylinder.
Preferably, described pumping system comprises two described conveying cylinders and two described distributing valves, and each described conveying cylinder is communicated with the c valve port of a described distributing valve respectively.
Preferably, described supply pipe is Y-tube, and two discharge ports of described supply pipe are communicated with a valve port of two described distributing valves respectively; And/or described discharge nozzle is Y-tube, and two material feeding mouths of described discharge nozzle are communicated with the b valve port of two described distributing valves respectively.
Preferably, described a valve port is positioned at the top of described b valve port.
The utility model also provides a kind of pumping system, comprise supply pipe, discharge nozzle and two conveying cylinders, also comprise each described distributing valve in two technique scheme, two described conveying cylinders are respectively first and carry cylinder and second to carry cylinder, the a valve port of two described distributing valves all carries cylinder to be communicated with described first, the b valve port of two described distributing valves all carries cylinder to be communicated with described second, and the c valve port of two described distributing valves is communicated with described supply pipe, described discharge nozzle respectively.
Preferably, two described a valve ports carry cylinder to be communicated with by Y-tube and described first; And/or two described b valve ports carry cylinder to be communicated with by Y-tube and described second.
Preferably, the described a valve port of each described distributing valve and described b valve port all are positioned on the same level face.
In sum, according to the utility model, adopt two valve plugs just can reach the purpose of suction and pumping, simple in structure, distribute reliably, save cost and can save installing space, and adopt two cover driving mechanisms to drive respectively two described valve plugs, simplified greatly control system, and alleviated the weight of complete machine, be convenient to install and transportation.And described valve body and described valve plug are realized the pumping work that two or more carry cylinders more than can comprising that two covers or two that link into an integrated entity overlap.
The utility model also provides a kind of engineering machinery, comprises each described pumping system in the technique scheme.
Description of drawings
Fig. 1 shows the schematic representation of the distributing valve of a kind of pumping system of the prior art;
Fig. 2 shows the structural representation of distributing valve under the first working state of pumping system among the utility model the first embodiment;
Fig. 3 shows the structural representation of distributing valve under the second working state of pumping system among Fig. 2;
Fig. 4 shows the structural representation of the above-mentioned distributing valve valve body of the utility model;
Fig. 5 shows the structural representation of using the pumping system of above-mentioned distributing valve among the utility model the first embodiment;
Fig. 6 shows the structural representation of distributing valve under the first working state of pumping system among the utility model the second embodiment;
Fig. 7 shows the structural representation of distributing valve under the second working state of pumping system among Fig. 6;
Fig. 8 shows the structural representation of using the pumping system of above-mentioned distributing valve among the utility model the second embodiment;
Fig. 9 shows the utility model the 3rd embodiment's the schematic representation of pumping system under the first working state;
Figure 10 shows pumping system shown in Figure 9 schematic representation under the second working state;
Figure 11 shows the general structure schematic representation of above-mentioned pumping system.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.A lot of details have been set forth in the following description so that fully understand the utility model, but, the utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following public specific embodiment.
Fig. 2 shows the structural representation of distributing valve under the first working state of pumping system among the utility model the first embodiment; Fig. 3 shows the structural representation of distributing valve under the second working state of pumping system among Fig. 2; Fig. 4 shows the structural representation of the above-mentioned distributing valve valve body of the utility model; Fig. 5 shows the structural representation of using the pumping system of above-mentioned distributing valve among the utility model the first embodiment.
To shown in Figure 4, the distributing valve of the pumping system that the utility model provides comprises valve body 1 such as Fig. 2, and valve body 1 has valve pocket 7, at valve body 1 a valve port 101, b valve port 102 and the c valve port 103 that is communicated with valve pocket 7 is set; At the valve pocket 7 interior valve plugs 2 that arrange, valve plug 2 can alternately seal a valve port 101 and b valve port 102 under the effect of driving mechanism.
Carry out in the process of material distribution at this distributing valve, under a kind of working state, valve plug 2 sealing a valve ports 101, then b valve port 102 and c valve port 103 are communicated with, as shown in Figure 2; Under another kind of working state, valve plug 2 sealing b valve ports 102, then a valve port 101 and c valve port 103 are communicated with, as shown in Figure 3.Adopt this distributing valve, be alternately closed a valve port and b valve port by a valve plug 2, realize between a valve port and the c valve port, alternately being communicated with between b valve port and the c valve port, it is simple in structure, allocation performance is reliable, provide cost savings and can save installing space and alleviated the weight of complete machine, be convenient to install and transportation.
Need to prove, a valve port and b valve port are in three openings of symbolistic indication two in the above-mentioned distributing valve, its shape and arrangement be apparent to have different conversion, these conversion need to determine according to other structure that cooperates with valve body 1, perhaps determine according to the applicable cases of valve body 1, but these conversion all do not exceed design of the present utility model.
In a kind of specific embodiment, driving mechanism can be oil cylinder 8, and oil cylinder 8 is installed on the valve body 1, and the piston rod 13 of oil cylinder 8 passes a valve port 101 and is fixedly connected with valve plug 2.Valve plug 2 drives by oil cylinder 8, can use common working connection with the pumping oil cylinder, is convenient to the setting of power source, and its control operation is convenient.Above-mentioned driving mechanism can be motor driven gear or rack structure, perhaps linkage mechanism under the actuated by cams etc., and this driving mechanism can have a lot, namely need not can realize by creative work according to enlightenment of the present utility model again.
In this distributing valve, oil cylinder 8 demand motive valve plugs 2 alternately seal a valve port 101 and b valve port 102, and when specific design, a valve port 101 and b valve port 102 are oppositely arranged, and the end face of a valve port 101 and b valve port 102 is arranged in parallel, to guarantee the sealability of valve plug 2 and two valve ports.
In the above-described embodiments, the axis of piston rod 13 and to carry angle r between the axis of cylinder 3 be 0 °＜r≤90 ° that is to say, distributing valve can with carry cylinder 3 vertical settings, also can be obliquely installed.In the distributing valve as shown in Figure 2 to Figure 3, the axis of piston rod 13 and carry between the axis of cylinder 3 angle r=90 °.
On the basis of above-mentioned distributing valve, the utility model proposes a kind of pumping system of using above-mentioned distributing valve, this pumping system comprises distributing valve, carries cylinder 3, supply pipe 5 and discharge nozzle 6, wherein, the a valve port 101 of this distributing valve is material feeding mouth, and b valve port 102 is discharge port; A valve port 101 is communicated with supply pipe 5, and b valve port 102 is communicated with discharge nozzle 6, and c valve port 103 is communicated with carrying cylinder 3.
In concrete application process, in order to realize the uninterrupted pumping effect to material, above-mentioned pumping system can comprise that two are carried cylinder 3 and two distributing valves, as shown in Figure 5, this pumping system comprises that first carries cylinder 301 and second to carry 302, two in cylinder to carry cylinder to be arranged in the same level face; The a valve port 101 of two distributing valves all is connected with supply pipe 5, and b valve port 102 all is connected with discharge nozzle 6, and the c valve port 103 of two distributing valves carries cylinder 3 to be connected with two respectively; All adopt an oil cylinder 8 to drive corresponding valve plug 2 actions in each distributing valve.
In this pumping system, two distributing valves adopt Fig. 2 and shown in Figure 3, between the axis of piston rod 13 and the axis of carrying cylinder 3 angle r=90 °, i.e. and cylinder is vertical arranges in piston rod 13 and conveying; And, the top that a valve port 101 is positioned at b valve port 102 is set, like this, this pumping system is from the top charging of distributing valve, and from the below discharging of distributing valve, oil cylinder 8 is positioned at the top of distributing valve, be convenient to improve the suction performance, saved and take up room, and so that the structure of pumping system is compacter.
Adopt in the pumping system of two distributing valves, two distributing valves can be one-body molded, for example can adopt one-body molded two distributing valves of forging type, improves the holistic resistant behavior of distributing mechanism.The separately moulding of two distributing valves, and for example adopt that bolt connecting mode is fixed.
In the assembly process of carrying cylinder and distributing valve, can form at the c of distributing valve valve port 103 places flange 4, and at flange 4 step hole is set, conveying cylinder 3 stretches into flange 4 and is engaged in the step hole, carry the cylinder pull bar to be fixedly connected with flange, to realize carrying the fixing of cylinder.
In the above-mentioned pumping system, supply pipe 5 is Y-tube, and two discharge ports of this Y-tube are communicated with a valve port 101 of two distributing valves respectively; And/or discharge nozzle 6 is Y-tube, and two material feeding mouths of this Y-tube are communicated with the b valve port 102 of two distributing valves respectively.Adopted technique scheme, supply pipe 5 and/or discharge nozzle 6 are merged into a passage, go for the concrete pumping system of single feeding pipe and/or single discharging pipeline, have expanded the using scope of concrete pumping system.
For example, in a kind of preferred embodiment, supply pipe 5 can be set in this pumping system be Y-tube, namely two distributing valves are connected with hopper by Y-tube, and two single pass discharge nozzles 6 are set are connected with two distributing valves respectively, namely each distributing valve pumping material out is delivered to different job locations by two discharge nozzles.
Fig. 6 shows the structural representation of distributing valve under the first working state of pumping system among the utility model the second embodiment; Fig. 7 shows the structural representation of distributing valve under the second working state of pumping system among Fig. 6; Fig. 8 shows the structural representation of using the pumping system of above-mentioned distributing valve among the utility model the second embodiment.
As shown in Figure 6 and Figure 7, the axis of piston rod 13 and to carry angle r between the axis of cylinder 3 be 0 °＜r＜90 ° in this distributing valve, for example, it is 30 °, 45 ° that this angle can be set, and that is to say, distributing valve can be obliquely installed with carrying cylinder 3.
In the mechanism of above-mentioned distributing valve, the axis of piston rod 13 and to carry angle r between the axis of cylinder 3 be 0 °＜r≤90 °.When the axis of piston rod 13 and when carrying angle r between the axis of cylinder 3 to be 90 °, supply pipe 5 and discharge nozzle 6 are horizontally disposed with, this moment supply pipe 5 with a valve port 101 places, discharge nozzle 6 and 90 ° of the equal bendings in b valve port 102 places; And as angle r during less than 90 °, the bending amplitude of supply pipe 5 is greater than 90 °, the bending amplitude of discharge nozzle 6 is less than 90 °, carry the axis of cylinder 3 no longer vertical with the axis of piston rod 13, this just need to arrange an end transition valve pocket 105 in order to and carry the rear c valve port 103 of cylinder 3 assemblings and carry the pipeline between the cylinder 3 smooth and easy at valve body 1.Adopted technique scheme, the angle between the axis of the axis of piston rod 13 and conveying cylinder 3 is 90 °, is convenient to distributing valve and the assembling of carrying cylinder 3; Angle between the axis of the axis of piston rod 13 and conveying cylinder 3 can make the material in the hopper enter more swimmingly in the corresponding conveying cylinder 3 less than 90 °, has further improved the suction performance of pumping system.
Above-mentioned pumping system is lower in working order, alternately seals a valve port and b valve port by oil cylinder 8, realizes carrying the switching of cylinder under suction and stock state, thereby realizes the uninterrupted pumping of material.
Under a kind of state, to carry in the distributing valve that cylinder 301 is connected with first, valve plug 2 seals a valve ports 101, b valve port 102 and c valve port 103 are communicated with, first carries the material in the cylinder 301 to pump by valve pocket and through b valve port 102 from c valve port 103, and first carries cylinder 301 to carry out the stock action, as shown in Figure 2; Simultaneously, carry in the distributing valve that cylinder 302 is connected with second, valve plug 2 seals b valve port 102 under the effect of oil cylinder 8, a valve port 101 and 103 connections of c valve port, material enters the second conveying cylinder 302 by valve pocket and through c valve port 103 from a valve port 101, and second carries cylinder 302 to carry out the suction action.
When finishing this pumping stroke, enter next pumping stroke, at this moment, the commutation of pumping main system carries cylinder to switch the pumping state thereby control two, first carries cylinder 301 to switch to the suction action by the stock action, and second carries cylinder 302 to switch to the stock action by the suction action.
Under another kind of working state, carry in the distributing valve that cylinder 301 is connected with first, valve plug 2 sealing b valve ports 102, a valve port 101 and c valve port 103 are communicated with, material enters the first conveying cylinder 301 by valve pocket and through c valve port 103 from a valve port 101, first carries cylinder 301 to carry out the suction action, as shown in Figure 3; Simultaneously, carry in the distributing valve that cylinder 302 is connected valve plug 2 sealing a valve ports 101, b valve port 102 and 103 connections of c valve port with second, second carries the material in the cylinder 301 to pump by valve pocket and through b valve port 102 from c valve port 103, and second carries cylinder 302 to carry out the stock action.
Carry cylinder by replacing suction and stock, realized material uninterrupted pumping effect for above-mentioned two.
In this pumping system, adopt two distributing valves, the switching of a valve plug 2 control material feeding mouths and discharge port is set in each distributing valve, can realize that at least two are carried the pumping of cylinder 3 to share out the work, the a valve port is connected with supply pipe 5, the b valve port is connected with discharge nozzle 6, and the c valve port is connected with carrying cylinder 3, has just realized controlling with a valve plug 2 charging and the discharging of a conveying cylinder 3.With respect to prior art, each distributing valve has saved a valve plug 2 and a driving mechanism, and it is simple in structure, and the material allocation performance is reliable, and the control implementation procedure is simple.
In the embodiment of above-mentioned pumping system, a valve port 101 is material feeding mouth in the distributing valve, and b valve port 102 is discharge port, and c valve port 103 is communicated with carrying cylinder, alternately seals a valve port 101 and b valve port 102, the alternate allocation of carrying out stock and suction by valve plug 2.
In actual application, adopt the structure of above-mentioned distributing valve, and be applied in the pumping system that comprises two conveying cylinders and two described distributing valves, the a valve port 101 of each distributing valve can also be set, b valve port 102 carries cylinder to be communicated with two respectively, the c valve port 103 of a distributing valve is connected with supply pipe, and the c valve port 103 of another distributing valve is communicated with discharge nozzle.Be elaborated below by the technological scheme of specific embodiment to this pumping system.
Fig. 9 shows the utility model the 3rd embodiment's the schematic representation of pumping system under the first working state; Figure 10 shows pumping system shown in Figure 10 schematic representation under the second working state; Figure 12 shows the general structure schematic representation of above-mentioned pumping system.
Extremely shown in Figure 11 such as Fig. 9, the pumping system that the utility model provides comprises supply pipe 5, discharge nozzle 6, two conveying cylinders 3 and two distributing valves, carrying cylinder 3 to be respectively first for two carries cylinder 301 and second to carry cylinder 32, and carry cylinder to be arranged in the same level face for two, the a valve port 101 of two distributing valves all carries cylinder 301 to be communicated with first, the b valve port 102 of two distributing valves all carries cylinder 32 to be communicated with second, the c valve port 103 that wherein is positioned at the first distributing valve of top is communicated with supply pipe 5, and the c valve port 103 that is positioned at the second distributing valve of below is communicated with discharge nozzle 6.
When specific design, two a valve ports 101 carry cylinder 301 to be communicated with by Y-tube and first; And/or two b valve ports 102 carry cylinder 32 to be communicated with by Y-tube and second.In this embodiment, two are carried cylinders 3 is horizontal arrangement, so that a valve port 101 of each distributing valve and b valve port 102 all are positioned on the same level face is more reasonable, corresponding, the oil cylinder of two distributing valves is horizontally disposed with, as shown in Figure 9 and Figure 10.
With reference to the structure of above-mentioned distributing valve, the angle r between the axis of piston rod 13 and the axis of carrying cylinder 3 can be 0 °＜r≤90 °, that is to say, distributing valve can with the 3 vertical settings of conveying cylinder, also can be obliquely installed.
In the specific embodiment of this pumping system, two two distributing valves carrying cylinder and arrange up and down that comprise horizontal arrangement, also comprise the first pipeline 9, the second pipeline 10, supply pipe 5 and discharge nozzle 6, wherein, the a valve port 101 of two distributing valves carries cylinder 301 to be communicated with by the first pipeline 9 and first, the b valve port 102 of two distributing valves carries cylinder 302 to be communicated with by the second pipeline 10 and second, and the c valve port 103 of two distributing valves is communicated with supply pipe 5 and discharge nozzle 6 respectively, wherein, the first pipeline 9 and the second pipeline 10 are Y-tube.Apparently, supply pipe 5 and discharge nozzle 6 also can be branched off into two-way by Y-tube, even can also become multichannel by corresponding line branching, and these conversion all should be within protection domain of the present utility model.Here said the first pipeline 9 and the second pipeline 10 can be Y-tube, and purpose is to carry cylinder 301 to be communicated with two a valve ports 101 and first, carries cylinder 302 to be communicated with two b valve ports 102 and second.Be just above-mentioned distributing valve horizontal arrangement in the present embodiment, because bending is many, the first pipeline 9 and the second pipeline 10 can make two sections, and two sections pipelines connect by pipe end flange, can certainly make more than one section or two sections.
Distributing valve can be made of one moulding in the present embodiment, and respectively moulding and be fixed by modes such as bolts does not repeat them here yet.
This embodiment's pumping system is compared with pumping system among the first two embodiment, among the first two embodiment, valve plug in distributing valve can be controlled the state that this distributing valve carries out suction and stock and switch, and in the present embodiment, valve plug in distributing valve can be controlled this distributing valve to different conveying cylinder suctions, and the valve plug in another distributing valve can be controlled this distributing valve to different conveying cylinder suctions.
Based on technique scheme, the working method of the pumping system in the present embodiment is as follows:
When pumping system is in the first working state shown in Figure 9, the valve plug 2 of the first distributing valve seals a valve port 101, b valve port 102 is communicated with c valve port 103, material is entered in the second conveying cylinder 302 by valve pocket and by b valve port 102 by c valve port 103, and second carries cylinder 302 to carry out the suction action by the first distributing valve; And a valve port 101 of the second distributing valve is opened at this moment, valve plug 2 seals b valve port 102, a valve port 101 is communicated with c valve port 103, and first carries the material in the cylinder 301 outwards to be pumped by valve pocket and by c valve port 103 by a valve port 101, and first carries cylinder 301 to carry out the stock action by the second distributing valve.
When finishing this pumping stroke, enter next pumping stroke, at this moment, the commutation of pumping main system carries cylinder to switch the pumping state thereby control two, first carries cylinder 301 to switch to the suction action by the stock action, and second carries cylinder 302 to switch to the stock action by the suction action.
Under another working state, as shown in figure 10, the valve plug 2 of the first distributing valve seals b valve port 102, and a valve port 101 is communicated with c valve port 103, material is entered in the first conveying cylinder 301 by valve pocket and by a valve port 101 by c valve port 103, and first carries cylinder 301 to carry out the suction action by the first distributing valve; And the b valve port 102 of the second distributing valve is opened at this moment, valve plug 2 seals a valve port 101, b valve port 102 is communicated with c valve port 103, and second carries the material in the cylinder 302 outwards to be pumped by valve pocket and by c valve port 103 by b valve port 102, and second carries cylinder 302 to carry out the stock action by the second distributing valve.
Carry cylinder by replacing suction and stock, realized material uninterrupted pumping effect for above-mentioned two.
In the pumping system that comprises two distributing valves that the utility model proposes, adopt two valve plugs just can reach two purposes of carrying cylinder to replace suction and pumping, it is simple in structure, allocation performance is reliable, save cost and can save installing space, and adopt two cover driving mechanisms to drive respectively two valve plugs, simplify greatly control system, and alleviated the weight of complete machine.
The utility model also provides a kind of engineering machinery, comprises each described pumping system in the technique scheme.This project machinery can be concrete pump, perhaps is grouting pump.
The concrete pumping system that the utility model is provided is applied to engineering machinery, can obtain the embodiment of engineering machinery described in the utility model, and described engineering machinery correspondingly has above-mentioned beneficial effect.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. the distributing valve of a pumping system, comprise valve body (1), described valve body (1) has valve pocket (7), it is characterized in that, a valve port (101), b valve port (102) and the c valve port (103) be communicated with described valve pocket (7) is set at described valve body (1); Valve plug (2) is set in described valve pocket (7), and described valve plug (2) can alternately seal described a valve port (101) and described b valve port (102) under the effect of driving mechanism.
2. the distributing valve of described pumping system according to claim 1, it is characterized in that, described driving mechanism is for being installed in the oil cylinder (8) on the described valve body (1), and the piston rod (13) of described oil cylinder (8) passes described a valve port (101) and is fixedly connected with described valve plug (2).
3. the distributing valve of described pumping system according to claim 2 is characterized in that, the angle (r) between the axis of the axis of described piston rod (13) and described conveying cylinder (3) is 0 °＜r≤90 °.
4. pumping system, comprise and carry cylinder (3), supply pipe (5) and discharge nozzle (6), it is characterized in that, also comprise such as each described distributing valve in the claims 1 to 3, wherein, described a valve port (101) is communicated with described supply pipe (5), and described b valve port (102) is communicated with described discharge nozzle (6), and described c valve port (103) is communicated with described conveying cylinder (3).
5. pumping system according to claim 4, it is characterized in that, described pumping system comprises two described conveying cylinders (3) and two described distributing valves, and each described conveying cylinder (3) is communicated with the c valve port (103) of a described distributing valve respectively.
6. pumping system according to claim 5 is characterized in that, described supply pipe (5) is Y-tube, and two discharge ports of described supply pipe (5) are communicated with a valve port (101) of two described distributing valves respectively; And/or described discharge nozzle (6) is Y-tube, and two material feeding mouths of described discharge nozzle (6) are communicated with the b valve port (102) of two described distributing valves respectively.
7. according to claim 4 to 6 each described pumping systems, it is characterized in that described a valve port (101) is positioned at the top of described b valve port (102).
8. pumping system, comprise supply pipe (5), discharge nozzle (6) and two conveying cylinders (3), it is characterized in that, also comprise two such as each described distributing valve in the claims 1 to 3, two described conveying cylinders (3) are respectively first and carry cylinder (301) and second to carry cylinder (32), the a valve port (101) of two described distributing valves all carries cylinder (301) to be communicated with described first, the b valve port (102) of two described distributing valves all carries cylinder (302) to be communicated with described second, the c valve port (103) of two described distributing valves respectively with described supply pipe (5), described discharge nozzle (6) is communicated with.
9. pumping system according to claim 8 is characterized in that, two described a valve ports (101) carry cylinder (301) to be communicated with by Y-tube and described first; And/or two described b valve ports (102) carry cylinder (32) to be communicated with by Y-tube and described second.
10. according to claim 8 or 9 described pumping systems, it is characterized in that the described a valve port (101) of each described distributing valve all is positioned on the same level face with described b valve port (102).
11. an engineering machinery is characterized in that, comprises such as each described pumping system in the claim 4 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114568 CN202645987U (en) | 2012-03-23 | 2012-03-23 | Distribution valve for pumping system, pumping system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114568 CN202645987U (en) | 2012-03-23 | 2012-03-23 | Distribution valve for pumping system, pumping system and engineering machinery |
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| CN202645987U true CN202645987U (en) | 2013-01-02 |
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| CN 201220114568 Withdrawn - After Issue CN202645987U (en) | 2012-03-23 | 2012-03-23 | Distribution valve for pumping system, pumping system and engineering machinery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606472A (en) * | 2012-03-23 | 2012-07-25 | 三一重工股份有限公司 | Distribution valve for pumping system, pumping system and engineering machinery |
| CN103758747A (en) * | 2013-07-11 | 2014-04-30 | 常州乐士雷利电机有限公司 | Feeding valve mechanism and valve pump using same |
| CN109026669A (en) * | 2018-10-08 | 2018-12-18 | 扬州四启环保设备有限公司 | A kind of double charging pump housings of horizontal dual cylinder |
| CN110803504A (en) * | 2019-10-21 | 2020-02-18 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
-
2012
- 2012-03-23 CN CN 201220114568 patent/CN202645987U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606472A (en) * | 2012-03-23 | 2012-07-25 | 三一重工股份有限公司 | Distribution valve for pumping system, pumping system and engineering machinery |
| WO2013139147A1 (en) * | 2012-03-23 | 2013-09-26 | 湖南三一智能控制设备有限公司 | Distribution valve of pumping system, pumping system and engineering machine |
| CN102606472B (en) * | 2012-03-23 | 2015-02-18 | 三一重工股份有限公司 | Pumping system and engineering machinery |
| CN103758747A (en) * | 2013-07-11 | 2014-04-30 | 常州乐士雷利电机有限公司 | Feeding valve mechanism and valve pump using same |
| CN103758747B (en) * | 2013-07-11 | 2016-03-23 | 江苏雷利电机股份有限公司 | Feed end mechanism and apply the valve pump of this feed end mechanism |
| CN109026669A (en) * | 2018-10-08 | 2018-12-18 | 扬州四启环保设备有限公司 | A kind of double charging pump housings of horizontal dual cylinder |
| CN109026669B (en) * | 2018-10-08 | 2023-07-14 | 扬州四启环保设备有限公司 | Horizontal double-cylinder double-feeding pump body |
| CN110803504A (en) * | 2019-10-21 | 2020-02-18 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
| CN110803504B (en) * | 2019-10-21 | 2021-09-10 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
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