CN102146913A - Pumping system and distributing valve thereof, and concrete transporting machinery - Google Patents
Pumping system and distributing valve thereof, and concrete transporting machinery Download PDFInfo
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- CN102146913A CN102146913A CN 201110098562 CN201110098562A CN102146913A CN 102146913 A CN102146913 A CN 102146913A CN 201110098562 CN201110098562 CN 201110098562 CN 201110098562 A CN201110098562 A CN 201110098562A CN 102146913 A CN102146913 A CN 102146913A
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Abstract
The invention discloses a pumping system and a distributing valve thereof, and concrete transporting machinery. The distributing valve of the pumping system comprises a first valve body plate, a second valve body and a rotatable valve plate, wherein the first valve body plate and the second valve body are respectively in sliding matching with two surfaces of the valve plate; the distributing valve has two states, in the first state, a first sucking hole is communicated with a material container through a first passing communicating hole, and a second discharging hole is communicated with a second pumping hole through a second passing communicating hole; and in the second state, a second sucking hole is communicated with the material container through a passing communicating hole, and a first discharging hole is communicated with a first pumping hole through the other passing communicating hole or the first passing communicating hole. The valve plate of the distributing valve does not need to rotate in a hopper, and the distributing valve does not need to be matched with an opening hopper for use; meanwhile, the state conversion of the distributing valve is realized through the rotary valve plate, a driving force required by the distributing valve during state conversion is greatly reduced, and the energy consumption of the distributing valve can be reduced.
Description
Technical field
The present invention relates to the pumping technology of thickness class materials such as a kind of concrete, be particularly related to a kind of distributing valve of pumping system, also relate to a kind of concrete conveyer that comprises the pumping system of this distributing valve and comprise this pumping system, this concrete conveyer is meant that especially concrete stirs pump truck.
Background technique
It is current application concrete conveyer equipment widely that concrete stirs pump truck.Concrete stirs pump truck and generally comprises chassis, stirring mechanism, pumping system and material-feeding mechanism.Stirring mechanism generally comprises mixing drum; Pumping system comprises hopper, distributing valve and conveying cylinder; Material-feeding mechanism generally includes the jib that is formed by at least two arms, is provided with delivery pipe along jib.Concrete stirs the pump truck basic functional principle: mixing drum rotates transmission and concrete transmission in the hopper of pumping system; Pumping system is delivered to concrete pump in the delivery pipe of material-feeding mechanism; Material-feeding mechanism arrives preposition with transmission and concrete transmission.
Current, the distributing valve in the pumping system is generally S cast distributing valve.S type distributing valve comprises a S shape bend pipe; S shape bend pipe is contained in the hopper, and two ends form output terminal and input end; Output terminal is rotatable to be installed on hopper one sidewall, and the delivery pipe outer with being positioned at hopper communicates.S shape bend pipe is suitably rotating under the drive mechanism, teeter in hopper, and between the primary importance and the second place, change.In primary importance, first carries cylinder to communicate with hopper, and second carries cylinder to communicate with delivery pipe by S shape bend pipe; At this moment, first carries cylinder to suck material, finishes suction, and second material of carrying cylinder to suck in advance is pressed in the delivery pipe, finishes stock.In the second place, make second to carry cylinder to communicate with hopper, make first to carry cylinder to communicate with delivery pipe by S shape bend pipe; At this moment, second carries cylinder to suck material, finishes suction; First material of carrying cylinder to suck in advance is pressed in the delivery pipe, finishes stock.The primary importance and the second place alternately cooperate two actions in turn of carrying cylinder, realize suction, stock, make pumping system with the predetermined outside pumping material of flow.
Though S cast distributing valve can be realized the distribution to material, need be used with open hopper, think that the position conversion provides enough spaces; But not only material such as easy bonding concrete of open hopper is set, causes the waste of materials such as concrete, also cause the pollution of working environment easily.In addition; S shape bend pipe carries out the position conversion need overcome the resistance that material produces in the hopper, and this needing just to cause driving mechanism that bigger driving force is provided, and causes the energy consumption of distributing valve bigger.
Therefore, how to reduce the waste that concrete stirs pump truck, the pollution that reduces working environment is the technical barrier that those skilled in the art need solve.
Prior art also discloses does not need the distributing valve that is used with open hopper, lead to " S " pipe valve as the disclosed a kind of multidigit of Chinese patent literature CN1336487A more, but this distributing valve structure is huge, and is very high to the driving mechanism requirement, and it is very big to use difficulty in concrete stirring pump truck; Germany Patent document DE4204330B4 discloses a kind of distributing valve that distributes by rotor peristaltic pump realization material, but this distributing valve service behaviour is very high to the dependence of flexible pipe, makes its adaptability, working life to be difficult to satisfy actual demand.
Summary of the invention
Based on above-mentioned technical problem, first purpose of the present invention is, a kind of distributing valve of pumping system is provided, and utilizes this distributing valve unlike the prior art, and does not need to be used with open hopper.
Second purpose of the present invention is to provide a kind of pumping system that comprises above-mentioned distributing valve.
The 3rd purpose of the present invention is to provide a kind of concrete conveyer that comprises above-mentioned distributing valve.
The 4th purpose of the present invention is to provide a kind of concrete that does not have open hopper to stir pump truck.
The 5th purpose of the present invention is to provide a kind of concrete to stir pump truck, and it can make mixing drum keep motionless when guaranteeing concrete performance.
The distributing valve of pumping system provided by the invention comprises the relatively-stationary first valve body plate and second valve body, and the valve plate that rotates with respect to the first valve body plate under drive mechanism; The internal surface of the internal surface of the described first valve body plate and second valve body is slidingly matched with two surfaces of described valve plate respectively; Described valve plate forms and connects its two surface and the relative first punishment in advance intercommunicating pore and second punishment in advance intercommunicating pore; Described second valve body form be positioned at its outer surface and respectively with first first feed inlet and outlet and second feed inlet and outlet of carrying cylinder and second to carry cylinder to communicate, second material sucking port and second discharge port that are positioned at its internal surface and first material sucking port and first discharge port that all communicate with described first feed inlet and outlet, are positioned at its internal surface and all communicate with described second feed inlet and outlet; The described first valve body plate forms and is positioned at its internal surface and the first stock mouth that all communicates with delivery pipe and the second stock mouth; This distributing valve has two states, and at first state, described first material sucking port communicates with material container by the first punishment in advance intercommunicating pore, and second discharge port communicates with the second stock mouth by the second punishment in advance intercommunicating pore; At second state, described second material sucking port communicates with material container by the first punishment in advance intercommunicating pore or the second punishment in advance intercommunicating pore, and described first discharge port communicates with the first stock mouth by the second punishment in advance intercommunicating pore or the first punishment in advance intercommunicating pore.
Optionally, the described first valve body plate also forms first material feeding mouth and second material feeding mouth that is positioned at its internal surface; At described first state, described first material sucking port communicates with material container by the first punishment in advance intercommunicating pore and first material feeding mouth; At described second state, described second material sucking port communicates with material container by the first punishment in advance intercommunicating pore and second material feeding mouth, or communicates with material container by the second punishment in advance intercommunicating pore and second material feeding mouth.
Optionally, communicate between described first material sucking port and first discharge port, form one microscler mouthful, or/and, communicate between described second material sucking port and second discharge port, form microscler mouthful, or/and, communicate between described first material feeding mouth and second material feeding mouth, form one microscler mouthful, or/and, communicate between the described first stock mouth and the second stock mouth, form one microscler mouthful.
Optionally, described first material sucking port, first discharge port, second material sucking port and second discharge port are evenly distributed on around the spin axis of described valve plate.
Pumping system disclosed by the invention comprises driving mechanism, the first conveying cylinder, second conveying cylinder and the distributing valve, described distributing valve is the distributing valve of above-mentioned any pumping system, and described first carries cylinder and second to carry cylinder to communicate with described first feed inlet and outlet and second feed inlet and outlet respectively; The described valve plate rotation of described drive mechanism.
Optionally, pumping system also comprises the herringbone output tube, described herringbone output tube comprises first arm and second arm, the lower end of the lower end of described first arm and second arm joins with the first stock mouth and the second stock mouth respectively, and the upper end of the upper end of described first arm and second arm crosses and forms an output port; Described output port communicates with delivery pipe.
Optionally, described distributing valve also comprises first valve housing, and the first valve body chamber is fixed and formed to described first valve housing and the first valve body plate; Described first valve housing forms delivery outlet, and described delivery outlet, the first stock mouth and the second stock mouth all communicate with the described first valve body chamber; Described delivery outlet communicates with delivery pipe.
Optionally, distributing valve also comprises the transmission shaft that axis overlaps with the spin axis of described valve plate; Described transmission shaft cooperates with the rotation of the first valve body plate, and fixes with described valve plate, and at least one end is protruding; Described driving mechanism drives described valve plate rotation by transmission shaft.
Optionally, described driving mechanism comprises at least one pendulum valve oil cylinder; Described pendulum valve oil cylinder one end links to each other with the support body of pumping system, and the periphery of the other end and described valve plate is hinged and connected, and the hinge axes of formation is parallel with the spin axis of described valve plate.
Concrete conveyer provided by the invention comprises basic machine, material container and pumping system, described pumping system comprises driving mechanism, the first conveying cylinder, second conveying cylinder and the distributing valve, it is characterized in that, described distributing valve is the distributing valve of above-mentioned first kind of pumping system, the described material container and the first valve body plate are fixedly linked, and the edge of the discharge gate of described material container and described valve plate are slidingly matched; Perhaps; Described distributing valve is the distributing valve of the pumping system of above-mentioned other kinds, and the described material container and the first valve body plate are fixedly linked, and the discharge gate of described material container and described first material feeding mouth and second feeding inlet.
Optionally, described basic machine is the chassis, also comprises stirring mechanism and material-feeding mechanism, forms concrete and stirs pump truck; Described stirring mechanism comprises the mixing drum that is rotatably installed on the chassis; Described material container is and the fixing hopper in chassis that the discharge gate of described mixing drum is relative with the upper shed of described hopper; The described first stock mouth and the second stock mouth all communicate with the delivery pipe of described material-feeding mechanism.
Optionally, described basic machine comprises the chassis, also comprises stirring mechanism and material-feeding mechanism, forms concrete and stirs pump truck; Described stirring mechanism comprises the mixing drum that is fixedly mounted on the chassis and is positioned at the stirrer of mixing drum; Described material container is described mixing drum; The described first stock mouth and the second stock mouth all communicate with the delivery pipe of described material-feeding mechanism.
Optionally, institute's mixing drum front end is downward-sloping, and described mixing drum front end bottom is provided with discharge gate; Described stirrer is around the center line rotation of described mixing drum, and the stirring blade of described stirrer matches with the internal face of described mixing drum.
In order to realize the 4th purpose, concrete provided by the invention stirs in the pump truck, comprise chassis, stirring mechanism, pumping system and material-feeding mechanism, the mixing drum and the chassis of described stirring mechanism maintain static, the distributing valve of described pumping system is a gate valve, and described gate valve has first material sucking port, second material sucking port, the first stock mouth, the second stock mouth, first discharge port and second discharge port; Wherein, described first material sucking port and second material sucking port all communicate with mixing drum, and the described first stock mouth and the second stock mouth carry cylinder to communicate with two respectively, and described first discharge port and second discharge port all communicate with the delivery pipe of material-feeding mechanism.This gate valve can be gate valve of the prior art.This concrete stirs pump truck and does not have open hopper.
In order to realize the 5th purpose, concrete provided by the invention stirs in the pump truck, and the mixing drum and the chassis of stirring mechanism maintain static, and stirrer is set in mixing drum; So that concrete in the mixing drum or unclassified stores are stirred, keep the performance of concrete or unclassified stores.In the concrete performance in guaranteeing mixing drum, make mixing drum keep motionless.
Compared with prior art, in the distributing valve of pumping system provided by the invention, valve plate two surfaces are slidingly matched with the internal surface of the first valve body plate and the internal surface of second valve body respectively, and valve plate can rotate with respect to the first valve body plate under drive mechanism.In use, distributing valve has two states, and at first state, described first material sucking port is relative with the first punishment in advance intercommunicating pore, and communicates with material container, and second discharge port communicates with the second stock mouth by the second punishment in advance intercommunicating pore; At this moment, first carries cylinder can pass through first feed inlet and outlet, first material sucking port and first punishment in advance intercommunicating pore suction from material container, and second carries cylinder can pass through second feed inlet and outlet, second discharge port, the second punishment in advance intercommunicating pore and second stock mouth stock in delivery pipe.At second state, described second material sucking port is relative with the first punishment in advance intercommunicating pore or the second punishment in advance intercommunicating pore, and communicates with material container, and described first discharge port communicates with the first stock mouth by the second punishment in advance intercommunicating pore or the first punishment in advance intercommunicating pore; At this moment, second carries cylinder can pass through second feed inlet and outlet, second material sucking port and the second punishment in advance intercommunicating pore (the perhaps first punishment in advance intercommunicating pore) suction from material container, and first carries cylinder can pass through first feed inlet and outlet, first discharge port, the first punishment in advance intercommunicating pore (or second punishment in advance intercommunicating pore) and first stock mouth stock in delivery pipe.So just can make two to carry cylinder to carry out suction and stock by turns, make pumping system with predetermined flow volume delivery material.Compare with S cast distributing valve of the prior art, the rotation of valve plate need not carried out in hopper, and therefore, do not need and the open hopper of this distributing valve are used; Simultaneously, the distributing valve state exchange realizes that by rotary valve plate distributing valve carries out the needed driving force of state exchange and reduces greatly, and then can reduce the energy consumption of distributing valve.
In further technological scheme, the described first valve body plate also forms first material feeding mouth and second material feeding mouth that is positioned at its internal surface, and then the face that the is slidingly matched area between the first valve body plate and the valve plate is increased, can guarantee being tightly connected between distributing valve and the material container like this, improve the functional reliability of distributing valve.
In further technological scheme, communicate between described first material sucking port and first discharge port, form one microscler mouthful, or/and, communicate between described second material sucking port and second discharge port, form microscler mouthful; Can make things convenient for the processing of second valve body like this.
In further technological scheme, described first material sucking port, first discharge port, second material sucking port and second discharge port are evenly distributed on around the spin axis of valve plate.Four mouths arrange that evenly rotary valve plate 90 degree just can be realized the conversion of distributing valve state arbitrarily, and then can make things convenient for the conversion of distributing valve state and the drive controlling of distributing valve.
Pumping system provided by the invention comprises above-mentioned any distributing valve, also has corresponding technique effect.
In further technological scheme, described distributing valve also comprises first valve housing, and the first valve body chamber is fixed and formed to described first valve housing and the first valve body plate; Described first valve housing forms delivery outlet, and described delivery outlet, the first stock mouth and the second stock mouth all communicate with the described first valve body chamber; Communicate with delivery pipe by delivery outlet like this, can make things convenient for being tightly connected between distributing valve and the delivery pipe, guarantee the functional reliability of distributing valve and pumping system.
Concrete conveyer provided by the invention is owing to comprise also having corresponding technique effect by above-mentioned pumping system.When concrete conveyer forms concrete stirring pump truck, mixing drum and chassis are maintained fixed, stirrer is set in mixing drum; And the material sucking port of distributing valve is communicated with mixing drum, and do not need hopper to carry out transition, can reduce the waste that concrete stirs pump truck like this, reduce pollution to working environment.
Description of drawings
Fig. 1 is the decomposition texture schematic representation of the distributing valve of the pumping system that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the distributing valve of the pumping system that provides of the embodiment of the invention when being in first state;
Fig. 3 is the structural representation of the distributing valve of the pumping system that provides of the embodiment of the invention when being in second state; For structure and the convenient description of clearly expressing distributing valve, omitted among Fig. 2 and Fig. 3 and hidden the first valve body plate of internal structure, and two conveying cylinders of pumping system have been shown its working principle;
Fig. 4 is that the concrete that the embodiment of the invention provides stirs in the pump truck linkage structure schematic representation of the distributing valve of pumping system and mixing drum; When showing distributing valve simultaneously and being in first state, concrete stirs the pumping working principle schematic representation of pump truck;
Fig. 5 is concrete stirs pump truck among Fig. 4 a distributing valve when being in second state, and concrete stirs the pumping working principle schematic representation of pump truck.
Embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.
Should be noted that: technological scheme provided by the invention is not limited to pumping or delivering concrete, also can be used for ash-slag delivery, mud or other thickness class materials.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the decomposition texture schematic representation of the distributing valve of the pumping system that provides of the embodiment of the invention, Fig. 2 is the structural representation of the distributing valve of the pumping system that provides of the embodiment of the invention when being in first state, and Fig. 3 is the structural representation of the distributing valve of the pumping system that provides of the embodiment of the invention when being in second state; For structure and the convenient description of clearly expressing distributing valve, omitted among this Fig. 2 and 3 and hidden the first valve body plate of internal structure, and two conveying cylinders of pumping system have been shown its working principle.
The distributing valve of this pumping system comprises the first valve body plate 110, second valve body 130 and valve plate 120.The first valve body plate 110 and second valve body 130 are all fixed with support body or other predetermined basis of pumping system, and then make the first valve body plate 110 and second valve body 130 keep relative fixed, form the basis of distributing valve.Valve plate 120 can be with respect to 110 rotations of the first valve body plate under drive mechanism; The spin axis of valve plate 120 is X; In valve plate 120 rotary courses, the internal surface of the internal surface of the first valve body plate 110 and second valve body 130 keeps being slidingly matched with two of valve plate 120 surfaces respectively, with in rotation simultaneously, keeps the sealing of fitting surface.Realize that valve plate 120 can have a variety of selections with the structure that 110 rotations of the first valve body plate link to each other; In this example, valve plate 120 is provided with outwardly directed running shaft with respect to the surface of the first valve body plate 110, and the first valve body plate 110 is provided with the rotating hole that matches with this running shaft; Those skilled in the art can be provided with other concrete structures according to actual needs, and valve plate 120 can be rotated with respect to first valve body 110 under drive mechanism.
Valve plate 120 is a circular plate, and forms the first punishment in advance intercommunicating pore 121 and the second punishment in advance intercommunicating pore 122 that connects its two surface; In this example, the first punishment in advance intercommunicating pore 121 and the second punishment in advance intercommunicating pore 122 are cylindrical hole, and its center line is parallel with the spin axis X of valve plate 120; Simultaneously, the first punishment in advance intercommunicating pore 121 and the second punishment in advance intercommunicating pore 122 are oppositely arranged.The function of the punishment in advance intercommunicating pore on the valve plate 120 is to be communicated with as required predetermined hole on the first valve body plate 110 and the predetermined hole on second valve body 120, realizes stock and suction.
The first valve body plate 110 is a platy structure, and forms four holes, and the inner opening that four holes are positioned at its internal surface forms the first stock mouth 1121, the second stock mouth 1122, first material feeding mouth 1111 and second material feeding mouth 1112.Communicate with the Material pipeline of outside with the outer opening in the first stock mouth 1121 and the second stock mouth, 1122 corresponding holes; Communicate with the material container of being scheduled to the outer opening in first material feeding mouth 1111 and second material feeding mouth, 1112 corresponding holes.
By 120 rotations of suitable drive mechanism valve plate, can change relative position relation between the valve plate 120 and the first valve body plate 110 and second valve body 130, distributing valve is changed between two states.
Please refer to Fig. 2, at first state, first material sucking port 1311 is relative with the first punishment in advance intercommunicating pore 121, and communicate with predetermined material container by the first punishment in advance intercommunicating pore 121 and first material feeding mouth 1111, material container is the container that holds certain concrete, lime-ash or other thickness class materials, and material container can be provided with suitable discharge gate; Communicating with material container specifically can be to communicate with this discharge gate, also can communicate with material container by other modes; Simultaneously, valve plate 120 sealings second material sucking port 1312.Second discharge port 1322 communicates with the second stock mouth 1122 by the second punishment in advance intercommunicating pore 122, and the second stock mouth 1122 communicates with delivery pipe again.At this moment, first carries the piston retraction of cylinder 210, and first carries cylinder 210 can suck the material of prearranging quatity by distributing valve from material container, for the stock of subsequent process provides prerequisite; Simultaneously, make second to carry the piston of cylinder 220 to protract, can carry the product pump in the cylinder 220 to deliver to delivery pipe with second by distributing valve.
Make valve plate 120 (is reference with Fig. 2) rotation predetermined angle clockwise, distributing valve is transformed into second state.
Please refer to Fig. 3, at second state, second material sucking port 1312 is relative with the second punishment in advance intercommunicating pore 122, and communicates with the discharge gate of material container by the second punishment in advance intercommunicating pore 122 and second material feeding mouth 1112; Simultaneously, valve plate 120 sealings first material sucking port 1311.First discharge port 1321 communicates with the first stock mouth 1121 by the first punishment in advance intercommunicating pore 121, and the first stock mouth 1121 communicates with delivery pipe again.At this moment, first carries the piston of cylinder 210 to protract, and first carries cylinder 210 will carry the product pump of cylinder to deliver to delivery pipe by distributing valve; Simultaneously, make the second piston retraction of carrying cylinder 220, can from material container, suck the material of prearranging quatity, for the stock of subsequent process provides prerequisite by distributing valve.
And then make valve plate 120 counterrotatings, make distributing valve be transformed into first state; By the conversion of distributing valve state, and cooperate with the action of carrying cylinder, pumping system can actual uninterrupted pumping to material.
Compare with S cast distributing valve of the prior art, utilize distributing valve provided by the invention,, just can realize position when conversion of valve plate 120 by rotary valve plate 120; At diverse location, valve plate 120 all is between the first valve body plate 110 and second valve body 130, does not need to provide in addition transformed space, and therefore, this distributing valve does not need to be used with open hopper.Simultaneously, compare with other distributing valves that prior art provides, this distributing valve state exchange realizes that by rotary valve plate 120 distributing valve carries out the needed driving force of state exchange and reduces greatly, and then can reduce the energy consumption of distributing valve.
According to foregoing description, be appreciated that the position that punishment in advance intercommunicating pore and respective openings suitably are set, during from first state exchange to second state, valve plate 120 is turned clockwise at distributing valve; Like this, under first state, first material sucking port 1311 is relative with the first punishment in advance intercommunicating pore 121, and second discharge port 1322 is relative with the second punishment in advance intercommunicating pore; Under second state, can make second material sucking port 1312 relative with the first punishment in advance intercommunicating pore 121, and communicate with the discharge gate of material container by the first punishment in advance intercommunicating pore 121 and second material feeding mouth 1112, and make first discharge port 1321 relative, and communicate with the first stock mouth 1121 by the second punishment in advance intercommunicating pore 122 with the second punishment in advance intercommunicating pore 122.
In this example, first material sucking port 1311, first discharge port 1321, second material sucking port 1312 and second discharge port 1322 are evenly distributed on around the spin axis X of valve plate 120; Valve plate 120 is revolved turn 90 degrees the conversion that just can realize the distributing valve state arbitrarily like this, and then can make things convenient for the conversion of distributing valve state and the drive controlling of distributing valve; And then, when carrying out state exchange, can make valve plate 120 rotate the regulation reciprocally swinging that also can be scheduled in one direction with predetermined rule.In the optimal technical scheme, first material feeding mouth 1111, second material feeding mouth 1112, the first stock mouth 1121 and the second stock mouth 1122 are corresponding one by one with first material sucking port 1311, second material sucking port 1312, first discharge port 1321 and second discharge port 1322 respectively, and the radius of above-mentioned 8 mouths equates substantially with the radius of two punishment in advance intercommunicating pores.In actual applications, as long as communicating, the corresponding mouth of assurance just can realize purpose of the present invention.
According to foregoing description, because first material sucking port 1311 and first discharge port 1321 communicate with first feed inlet and outlet simultaneously, also can make between first material sucking port 1311 and first discharge port 1321 to communicate, form one microscler mouthful, with the processing of convenient second valve body 130; Equally, also can make between second material sucking port 1312 and second discharge port 1322 to communicate, form microscler mouthful; Or make between first material feeding mouth 1111 and second material feeding mouth 1112 and communicate, form one microscler mouthful; Or make between the first stock mouth 1121 and the second stock mouth 1122 and communicate, form one microscler mouthful, or the like.
Providing on the basis of above-mentioned distributing valve, pumping system provided by the invention comprises driving mechanism, two conveying cylinders and a distributing valve, and distributing valve can be above-mentioned any distributing valve.Carrying cylinder to be respectively first for two carries cylinder 210 and second to carry cylinder 220, the first to carry cylinders 210 and second to carry cylinder 220 to communicate with first feed inlet and outlet and second feed inlet and outlet of second valve body 130 of distributing valve respectively; Driving mechanism is used for drive valve plate 120 rotations.
The driving mechanism of drive valve plate 120 rotations can be selected suitable manner according to actual needs; Refer again to Fig. 2 and Fig. 3, driving mechanism can be hydraulic drive mechanism, this driving mechanism comprises two pendulum valve oil cylinders 310, pendulum valve oil cylinder 310 1 ends link to each other with the support body (not shown) of pumping system, the periphery of the other end and valve plate 120 is hinged and connected, and it is parallel with the spin axis X of valve plate 120 to be hinged and connected the hinge axes of formation; Two pendulum valve oil cylinders 310 are hinged and connected in relative both sides and valve plate 120 peripheries respectively.With respect to 110 rotations of the first valve body plate, realize the state exchange of distributing valve by the control pendulum valve oil cylinder 310 flexible valve plates 120 that can make; Because pendulum valve oil cylinder 310 can 120 rotations of bi-directional drive valve plate, under very little or other specific operations, driving mechanism also can be provided with 120 rotations of pendulum valve oil cylinder 310 drive valve plate in driving force.
The power resources of driving mechanism are not limit pendulum valve oil cylinder 310, can be other hydraulic element such as oil hydraulic motor yet; It also can be other power resources such as electronic, pneumatic or electromagnetism that power resources are not limited to hydraulic element; The driving mechanism of drive valve plate 120 rotations is not limited to hinged, also can be gear, lever or other structures or the like.
For convenience being connected between the distributing valve in the pumping system and the delivery pipe, in the distributing valve first valve housing can being set, and making the fixing of this first valve housing and the first valve body plate 110, form the first valve body chamber of being scheduled to; Be to form the delivery outlet that is complementary with delivery pipe at first valve housing again; And delivery outlet, the first stock mouth 1121 and the second stock mouth 1122 are all communicated with the first valve body chamber.Like this, the first stock mouth 1121 and the second stock mouth 1122 all can communicate with delivery outlet, and delivery outlet is communicated with the delivery pipe of outside, and then just can make the first stock mouth 1121 and the second stock mouth 1122 keep communicating with the delivery pipe of outside.
Equally, providing on the basis of above-mentioned distributing valve, the present invention also provides a kind of concrete conveyer, this concrete conveyer comprises basic machine, predetermined material container and pumping system, and this pumping system comprises that driving mechanism, first carries cylinder 210, second to carry cylinder 220 and above-mentioned any distributing valve; The predetermined material container and the first valve body plate 110 are fixedly linked, and the discharge gate of material container communicates with first material feeding mouth 1111 and second material feeding mouth 1112.
According to foregoing description, the first valve body plate 110 is structure as a whole with material container; Further the part of material container can be formed the first valve body plate 110; Further again, can form a part that is slidingly matched with valve plate 120 surfaces with the part of material container; The structure that even the first valve body plate 110 forms and the part on valve plate 120 surfaces is slidingly matched, only formation is positioned at its internal surface and the first stock mouth 1121 that all communicates with delivery pipe and the second stock mouth 1122; And make valve plate 120 upper surfaces (Fig. 2 is reference) corresponding with the discharge gate of material container; The edge and the valve plate 120 of the discharge gate of material container are slidingly matched.Like this, during at first state, first material sucking port 1311 is communicated at distributing valve with the discharge gate of material container by the first punishment in advance intercommunicating pore 121; During at second state, second material sucking port 1312 is communicated at distributing valve with material container by the first punishment in advance intercommunicating pore 121 or the second punishment in advance intercommunicating pore 122; So also can realize distribution to material.
Concrete conveyer can be boom, pump truck, concrete stirring pump truck or other concrete conveyers.Below just to stir pump truck with concrete be that example is described the linkage structure between distributing valve and the miscellaneous part.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is that the concrete that the embodiment of the invention provides stirs in the pump truck linkage structure schematic representation of the distributing valve of pumping system and mixing drum; When showing distributing valve simultaneously and being in first state, concrete stirs the pumping working principle schematic representation of pump truck; Fig. 5 is concrete stirs pump truck among Fig. 4 a distributing valve when being in second state, and concrete stirs the pumping working principle schematic representation of pump truck
Concrete stirs pump truck and comprises chassis, pumping system, stirring mechanism and material-feeding mechanism, and the chassis forms the installation basis that body structure forms miscellaneous part; Stirring mechanism comprises the mixing drum that is rotatably installed on the chassis; Stirring mechanism comprises mixing drum 500 that is fixedly mounted on the chassis and the stirrer (not shown) that is positioned at mixing drum 500, and mixing drum is used to store concrete; Stirrer can rotate under suitably mechanism drives, to keep concrete the being stirred maintenance concrete performance.Mixing drum 500 forms and the corresponding material container of distributing valve; The first stock mouth 1121 and the second stock mouth 1122 all communicate with the delivery pipe of material-feeding mechanism.The annexation of distributing valve and mixing drum can be different and different according to the structure of the first valve body plate 110 in the distributing valve, do not repeat them here.
Please refer to Fig. 4, when distributing valve was in first state, first material sucking port 1311 communicated with the discharge gate of mixing drum 500 by the first punishment in advance intercommunicating pore 121; Simultaneously, valve plate 120 sealings second material sucking port 1312; Second discharge port 1322 communicates with the second stock mouth 1122 by the second punishment in advance intercommunicating pore 122.At this moment, shown in thick-line arrow among Fig. 4, first carries the piston retraction of cylinder 210, and first carries cylinder 210 can suck the concrete of prearranging quatity by distributing valve from mixing drum 500; Simultaneously, make second to carry the piston of cylinder 220 to protract, can carry the concrete pump in the cylinder 220 to deliver to delivery pipe with second by distributing valve.
Please refer to Fig. 5, when distributing valve was in second state, second material sucking port 1312 communicated with the discharge gate of mixing drum 500 by the second punishment in advance intercommunicating pore 122; Valve plate 120 sealings first material sucking port 1311.First discharge port 1321 communicates with the first stock mouth 1121 by the first punishment in advance intercommunicating pore 121, and the first stock mouth 1121 communicates with delivery pipe again.At this moment, shown in thick-line arrow among Fig. 4, first carries the piston of cylinder 210 to protract, and first carries cylinder 210 to carry out stock by distributing valve; Simultaneously, make second to carry the piston of cylinder 220 to bounce back, can from mixing drum 500, suck the concrete of prearranging quatity by distributing valve.
In the optimal technical scheme, the downward-sloping setting of described mixing drum 500 front ends, mixing drum 500 front end bottoms are provided with discharge gate, so that the concrete in the mixing drum 500 is discharged as much as possible; In addition, can make the center line rotation of stirrer around mixing drum 500, the stirring blade of stirrer matches with the internal face of mixing drum 500.
The material sucking port that above-mentioned concrete provided by the invention stirs the pump truck distributing valve communicates with mixing drum, does not need hopper to carry out transition, can reduce the waste that concrete stirs pump truck like this, reduces the pollution to working environment.
Certainly, not needing realize hopper to carry out transition, reduce the purpose that concrete stirs the pump truck waste, can also replace above-mentioned distributing valve with gate valve; Gate valve can be provided with first material sucking port, second material sucking port, the first stock mouth, the second stock mouth, first discharge port and second discharge port; Wherein, described first material sucking port and second material sucking port all communicate with mixing drum, and the described first stock mouth and the second stock mouth carry cylinder to communicate with two respectively, and described first discharge port and second discharge port all communicate with the delivery pipe of material-feeding mechanism; This gate valve can be gate valve of the prior art.Equally, in the optimal technical scheme, stirrer can be set in mixing drum,, keep the performance of concrete or unclassified stores so that concrete in the mixing drum or unclassified stores are stirred
Refer again to Fig. 4 and Fig. 5, in this example, concrete stirs in the pumping system of pump truck, also comprise herringbone output tube 400, herringbone output tube 400 comprises first arm 410 and second arm 420, the lower end of the lower end of first arm 410 and second arm 420 joins with the first stock mouth 1121 and the second stock mouth 1122 respectively, and the upper end of the upper end of first arm 410 and second arm 420 crosses and forms an output port; Output port communicates with delivery pipe.Herringbone output tube 400 is set makes things convenient for pumping system to link to each other, and guarantee the sealing reliability of conveyance conduit with delivery pipe in the material-feeding mechanism.
Certainly, stirring mechanism can be identical with the stirring structure that concrete in the prior art stirs in the pump truck, and mixing drum is rotatably installed on the chassis; At this moment, with the corresponding material container of distributing valve also can for chassis open hopper fixing, that have upper shed; Simultaneously, make the discharge gate of mixing drum relative with the upper shed of hopper.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. the distributing valve of a pumping system is characterized in that, comprises relatively-stationary first valve body plate (110) and second valve body (130), and the valve plate (120) that rotates with respect to the first valve body plate (110) under drive mechanism; The internal surface of the internal surface of the described first valve body plate (110) and second valve body (130) is slidingly matched with two surfaces of described valve plate (120) respectively; Described valve plate (120) forms and connects its two surface and the relative first punishment in advance intercommunicating pore (121) and second punishment in advance intercommunicating pore (122); Described second valve body (130) forms second material sucking port (1312) and second discharge port (1322) be positioned at its outer surface and carry first feed inlet and outlet and second feed inlet and outlet that the cylinder (210) and the second conveying cylinder (220) communicate with first respectively, be positioned at its internal surface and first material sucking port (1311) and first discharge port (1321) that all communicate with described first feed inlet and outlet, be positioned at its internal surface and all communicate with described second feed inlet and outlet; The described first valve body plate (110) forms and is positioned at its internal surface and the first stock mouth (1121) that all communicates with delivery pipe and the second stock mouth (1122);
This distributing valve has two states, and at first state, described first material sucking port (1311) communicates with material container by the first punishment in advance intercommunicating pore (121), and second discharge port (1322) communicates with the second stock mouth (1122) by the second punishment in advance intercommunicating pore (122); At second state, described second material sucking port (1312) communicates with material container by the first punishment in advance intercommunicating pore (121) or the second punishment in advance intercommunicating pore (122), and described first discharge port (1321) communicates with the first stock mouth (1121) by the second punishment in advance intercommunicating pore (122) or the first punishment in advance intercommunicating pore (121).
2. the distributing valve of pumping system according to claim 1 is characterized in that, the described first valve body plate (110) also forms first material feeding mouth (1111) and second material feeding mouth (1112) that is positioned at its internal surface; At described first state, described first material sucking port (1311) communicates with material container by the first punishment in advance intercommunicating pore (121) and first material feeding mouth (1111); At described second state, described second material sucking port (1312) communicates with material container by the first punishment in advance intercommunicating pore (121) and second material feeding mouth (1112), or communicates with material container by the second punishment in advance intercommunicating pore (122) and second material feeding mouth (1112).
3. the distributing valve of pumping system according to claim 2, it is characterized in that, communicate between described first material sucking port (1311) and first discharge port (1321), form one microscler mouthful, or/and, communicate between described second material sucking port (1312) and second discharge port (1322), form microscler mouthful, or/and, communicate between described first material feeding mouth (1111) and second material feeding mouth (1112), form one microscler mouthful, or/and, communicate between the described first stock mouth (1121) and the second stock mouth (1122), form one microscler mouthful.
4. the distributing valve of pumping system according to claim 2, it is characterized in that described first material sucking port (1311), first discharge port (1321), second material sucking port (1312) and second discharge port (1322) are evenly distributed on around the spin axis of described valve plate (120).
5. pumping system, comprise driving mechanism, the first conveying cylinder (210), second conveying cylinder (220) and the distributing valve, it is characterized in that, described distributing valve is the distributing valve of each described pumping system of claim 1-4, and described first carries cylinder (210) and second to carry cylinder (220) to communicate with described first feed inlet and outlet and second feed inlet and outlet respectively; The described valve plate of described drive mechanism (120) rotation.
6. pumping system according to claim 5, it is characterized in that, also comprise herringbone output tube (400), described herringbone output tube (400) comprises first arm (410) and second arm (420), the lower end of the lower end of described first arm (410) and second arm (420) joins with the first stock mouth (1121) and the second stock mouth (1122) respectively, and the upper end of the upper end of described first arm (410) and second arm (420) crosses and forms an output port; Described output port communicates with delivery pipe.
7. pumping system according to claim 5 is characterized in that described distributing valve also comprises first valve housing, and the first valve body chamber is fixed and formed to described first valve housing and the first valve body plate (110); Described first valve housing forms delivery outlet, and described delivery outlet, the first stock mouth (1121) and the second stock mouth (1122) all communicate with the described first valve body chamber; Described delivery outlet communicates with delivery pipe.
8. according to claim 5,6 or 7 described pumping systems, it is characterized in that distributing valve also comprises the transmission shaft that axis overlaps with the spin axis of described valve plate (120); Described transmission shaft cooperates with the rotation of the first valve body plate (110), and fixing with described valve plate (120), and at least one end is protruding; Described driving mechanism drives described valve plate (120) rotation by transmission shaft.
9. according to claim 5,6 or 7 described pumping systems, it is characterized in that described driving mechanism comprises at least one pendulum valve oil cylinder (310); Described pendulum valve oil cylinder (310) one ends link to each other with the support body of pumping system, and the periphery of the other end and described valve plate (120) is hinged and connected, and the hinge axes of formation is parallel with the spin axis of described valve plate (120).
10. a concrete conveyer comprises basic machine, material container and pumping system, and described pumping system comprises driving mechanism, the first conveying cylinder (210), second conveying cylinder (220) and the distributing valve, it is characterized in that,
Described distributing valve is the distributing valve of the described pumping system of claim 1, and the described material container and the first valve body plate (110) are fixedly linked, and the edge of the discharge gate of described material container and described valve plate (120) are slidingly matched;
Perhaps;
Described distributing valve is the distributing valve of each described pumping system of claim 2-4, the described material container and the first valve body plate (110) are fixedly linked, and the discharge gate of described material container communicates with described first material feeding mouth (1111) and second material feeding mouth (1112).
11. concrete conveyer according to claim 10 is characterized in that, described basic machine is the chassis, also comprises stirring mechanism and material-feeding mechanism, forms concrete and stirs pump truck; Described stirring mechanism comprises the mixing drum that is rotatably installed on the chassis; Described material container is and the fixing hopper in chassis that the discharge gate of described mixing drum is relative with the upper shed of described hopper; The described first stock mouth (1121) and the second stock mouth (1122) all communicate with the delivery pipe of described material-feeding mechanism.
12. concrete conveyer according to claim 10 is characterized in that, described basic machine comprises the chassis, also comprises stirring mechanism and material-feeding mechanism, forms concrete and stirs pump truck; Described stirring mechanism comprises mixing drum (500) that is fixedly mounted on the chassis and the stirrer that is positioned at mixing drum (500); Described material container is described mixing drum (500); The described first stock mouth (1121) and the second stock mouth (1122) all communicate with the delivery pipe of described material-feeding mechanism.
13. concrete conveyer according to claim 12 is characterized in that, institute's mixing drum (500) front end is downward-sloping, and described mixing drum (500) front end bottom is provided with discharge gate; Described stirrer is around the center line rotation of described mixing drum (500), and the stirring blade of described stirrer matches with the internal face of described mixing drum (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100985620A CN102146913B (en) | 2011-03-01 | 2011-04-19 | Pumping system and distributing valve thereof, and concrete transporting machinery |
Applications Claiming Priority (3)
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|---|---|---|---|
| CN201110049711 | 2011-03-01 | ||
| CN201110049711.4 | 2011-03-01 | ||
| CN2011100985620A CN102146913B (en) | 2011-03-01 | 2011-04-19 | Pumping system and distributing valve thereof, and concrete transporting machinery |
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| Publication Number | Publication Date |
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| CN102146913A true CN102146913A (en) | 2011-08-10 |
| CN102146913B CN102146913B (en) | 2012-10-03 |
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| CN2011100985620A Active CN102146913B (en) | 2011-03-01 | 2011-04-19 | Pumping system and distributing valve thereof, and concrete transporting machinery |
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| CN2011201163135U Expired - Lifetime CN201953647U (en) | 2011-03-01 | 2011-04-19 | Pumping system and distribution valve thereof, and concrete conveying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102410202A (en) * | 2011-10-12 | 2012-04-11 | 三一重工股份有限公司 | Distribution valve, pumping system and concrete pumping device |
| CN102434450A (en) * | 2011-11-15 | 2012-05-02 | 三一重工股份有限公司 | High-pressure pump and distribution valve thereof |
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| CN102619717A (en) * | 2012-04-25 | 2012-08-01 | 中联重科股份有限公司 | Pumping distribution mechanism, pumping device, control method thereof and concrete pump truck |
| CN102619717B (en) * | 2012-04-25 | 2014-09-17 | 中联重科股份有限公司 | Pumping distribution mechanism, pumping device, control method thereof and concrete pump truck |
| CN102619718A (en) * | 2012-04-25 | 2012-08-01 | 中联重科股份有限公司 | Pumping distribution mechanism, pumping device and control method for pumping device, and concrete pump truck |
| CN103590996A (en) * | 2013-11-22 | 2014-02-19 | 中联重科股份有限公司 | Pumping equipment and pumping method |
| CN103590996B (en) * | 2013-11-22 | 2015-08-26 | 中联重科股份有限公司 | Pumping equipment and pumping method |
| CN106382196A (en) * | 2016-10-21 | 2017-02-08 | 北汽福田汽车股份有限公司 | Pump truck and pumping system thereof |
| CN107433683A (en) * | 2017-03-14 | 2017-12-05 | 陈亚利 | A kind of spice car |
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| CN108265984A (en) * | 2018-04-16 | 2018-07-10 | 烟台盛利达工程技术有限公司 | The concrete pumping mechanism of closed no hopper |
| WO2019201041A1 (en) * | 2018-04-16 | 2019-10-24 | 烟台盛利达工程技术有限公司 | Closed concrete pumping mechanism having no receiving hopper |
| CN112211277A (en) * | 2020-09-02 | 2021-01-12 | 长沙鼎知智能科技有限公司 | Alternate dirt-absorbing conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201953647U (en) | 2011-08-31 |
| CN102146913B (en) | 2012-10-03 |
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