CN202531378U - Pumping distributing mechanism, pumping device and concrete pumping vehicle - Google Patents
Pumping distributing mechanism, pumping device and concrete pumping vehicle Download PDFInfo
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- CN202531378U CN202531378U CN 201220180986 CN201220180986U CN202531378U CN 202531378 U CN202531378 U CN 202531378U CN 201220180986 CN201220180986 CN 201220180986 CN 201220180986 U CN201220180986 U CN 201220180986U CN 202531378 U CN202531378 U CN 202531378U
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Abstract
The utility model provides a pumping distributing mechanism, a pumping device and a concrete pumping vehicle. The pumping distributing mechanism comprises a distribution valve pipe (10) and a wear-proof plate (20), wherein the distribution valve pipe (10) comprises an outlet (11) and an inlet end (12), and the inlet end (12) comprises an inlet (13) and a stop plate (14); the wear-proof plate (20) comprises a first conveyance cylinder opening (21) and a second conveyance cylinder opening (22); the inlet (13) of the distribution valve pipe (10) is rotatably matched with the conveyance cylinder openings of the wear-proof plate (20); the radian of the stop plate (14) is larger than or equal to that of each conveyance cylinder; and the radian of the inlet (13) of the distribution valve pipe is smaller than that of a blind plate between the first conveyance cylinder opening (21) and the second conveyance cylinder opening (22). The pumping distributing mechanism disclosed by the utility model avoids a problem of backflow during pumping.
Description
Technical field
The utility model relates to the pumping field, in particular to a kind of pumping distributing mechanism, pumping installations and concrete mixer.
Background technique
Pumping technology be current be the mainstream technology that the dope of representative is carried extensive use in the construction with the cement concrete, have characteristics such as efficient height, environmental pollution are little.Pumping equipment is the nucleus equipment in the pumping construction, is used at dopes such as horizontal or vertical direction delivering concretes.
In the existing technology, pumping equipment generally comprises hopper, conveying cylinder, distributing valve, delivery pipe and relevant driving and control mechanism.Usually, carry cylinder to be arranged side by side for two about pumping equipment has, piston is connected with the driving oil hydraulic cylinder from carrying the cylinder rear end through piston rod, carries the cylinder front opening to be arranged in the hopper.Carry the shared distributing valve of cylinder for two, the distributing valve front end is connected with delivery pipe, and the rear end is arranged on the same cross section with carrying the cylinder front opening.Hopper is used to deposit the dope of treating pumping.The working principle of pumping equipment is: distributing valve is under its driving mechanisms control; Before cylinder output dope is carried on a left side; From the position of carrying the position of cylinder open butt joint to swing to the right side and left conveying cylinder docks, thereby the right cylinder of carrying is communicated with hopper, left side conveying cylinder is communicated with delivery pipe.After distributing valve was swung and accomplished, to the delivery pipe stock, cylinder suction from hopper was carried on the right side to left side conveying cylinder simultaneously under Driven by Hydraulic Cylinder.After a left side carried cylinder completion stock, right conveying cylinder to accomplish suction, distributing valve was got back to the position of carrying the cylinder open butt joint with the right side from carrying the position of cylinder open butt joint to put with a left side, thereby left side conveying cylinder is communicated with hopper, and right conveying cylinder and delivery pipe are connected.After the distributing valve swing was accomplished, the right cylinder of carrying began to the delivery pipe stock, and a left side carries cylinder from the hopper suction simultaneously.Loop cycle carries cylinder to replace suction and stock about completion like this, realizes pump function.
Find from the analysis of above-mentioned pumping equipment work principle; When distributing valve is swung; Dopes such as the concrete in the delivery pipe have experienced a process that switches to the low-pressure delivery cylinder from the high-pressure delivery cylinder; This variation of discharge pressure possibly cause that its motion state stops from travelling forward to become along delivery pipe, even becomes to the low-pressure delivery cylinder and reflux; After the low-pressure delivery cylinder began stock, the transmission and concrete transmission pressure in the delivery pipe raise rapidly, thereby it is got back to again along the proal state of delivery pipe.Because the flip-flop of above-mentioned motion state can bring greater impact to pumping equipment, cause equipment attrition piece, life-span weak point, and the malformation problems of crack that pumping system adhered to.
Impact in order to reduce pumping, people have adopted the method for speed change pumping.When carrying cylinder to begin and finishing pumping stroke, make its slow startup and slowly stop, can reducing to be transferred the sudden change of material motion state like this, can effectively reduce pumping and impact.But this method can not solve the pumping shock problem that concrete refluxes and brings when highly higher.
Reflux problem when reducing super high pump-conveying, people have adopted the method that increases horizontal pipeline section, and promptly concrete is offset the return pressure that its front vertical pipeline section inner concrete gravity brings with the frictional force of tube wall in the water flat tube section.This method has artificially increased the length of conveyance conduit, thereby has increased pumping resistance, but has reduced the pump height of pumping equipment, and has increased the pumping energy consumption.
The another kind of method that reduces reflux problem is to shorten the duration of oscillation of distributing valve, thereby shortens the building-up time of refluxing.This method can require distributing valve to swing quickly and stop, and therefore causes the swing of distributing valve to be impacted and increases.
The model utility content
The utility model aims to provide a kind of pumping distributing mechanism, pumping installations and concrete mixer, can avoid the reflux problem in the pumping process.
To achieve these goals; An aspect according to the utility model; A kind of pumping distributing mechanism is provided; Comprise: the distributing valve pipe comprises and the outlet of the coaxial setting in rotating shaft center of distributing valve pipe and the rotating entry end in center around the shaft that entry end comprises inlet and is arranged on the material retaining board of inlet both sides along the sense of rotation of distributing valve pipe; Wearing plate comprises that being arranged on the rotating shaft center is that first on the circumference in the center of circle carries cylinder opening and second to carry the cylinder opening, and first carries cylinder opening and second to carry the blind plate that is formed for the shutoff inlet between the cylinder opening; The conveying cylinder opening rotation of the inlet of distributing valve pipe and wearing plate cooperates, and the fitting surface of the fitting surface of distributing valve pipe and wearing plate fits; Being the center of circle with said rotating shaft center, is on the circle that forms of radius with the line at the center of said rotating shaft center and inlet, and the shared radian of material retaining board is more than or equal to carrying the shared radian of cylinder opening, and is not more than the shared radian of blind plate; The shared radian of blind plate that the shared radian of the inlet of distributing valve pipe is carried between the cylinder opening less than the first conveying cylinder opening and second.
Further, wearing plate comprises the wearing plate body, and the wearing plate body is the arc platy structure that extends along the sense of rotation of distributing valve pipe, and first carries cylinder opening and second to carry the cylinder opening to lay respectively at the two ends of wearing plate body.
Further, the edges at two ends of wearing plate body is semicircle transition structure.
Further, the wearing plate body is that wear-resistant surface is the platy structure on plane.
Further, the wearing plate body is that wear-resistant surface is the platy structure of curved surface.
Further, wearing plate comprises the wearing plate body, and the wearing plate body is circular platy structure, and it is that the center of circle is symmetrical set with the center of wearing plate body that the first conveying cylinder opening and second is carried the cylinder opening.
Further, the entry end of distributing valve pipe is the arc platy structure that extends along the sense of rotation of distributing valve pipe, and inlet is arranged on the intermediate portion of arc platy structure.
Further, the end, two ends of entry end is semicircle transition structure.
Further, the distributing valve pipe is S shape distributing valve pipe or C shape distributing valve pipe.
According to the utility model on the other hand; A kind of pumping installations is provided; Comprise hopper, discharge nozzle and conveying cylinder, carry cylinder to comprise that first carries cylinder and second to carry cylinder, pumping installations also comprises above-mentioned pumping distributing mechanism; The outlet of the distributing valve pipe of pumping distributing mechanism is connected to first end of discharge nozzle; First carries cylinder to be connected to the first conveying cylinder opening of the distributing valve pipe of pumping distributing mechanism, and second carries cylinder to be connected to the second conveying cylinder opening of the distributing valve pipe of pumping distributing mechanism, and first carries cylinder opening and second to carry the cylinder opening to be positioned at hopper.
One side again according to the utility model provides a kind of concrete mixer, comprises pumping installations and boom system, and pumping installations is above-mentioned pumping installations, and second end of the discharge nozzle of pumping installations is connected to boom system.
Use the technological scheme of the utility model; The pumping distributing mechanism comprises distributing valve pipe and wearing plate; The distributing valve pipe comprises and the outlet of the coaxial setting in rotating shaft center and the rotating entry end in center around the shaft, and entry end comprises inlet and is arranged on the material retaining board at inlet two ends along the sense of rotation of distributing valve pipe; Wearing plate comprises that being arranged on the rotating shaft center is that first on the circumference in the center of circle carries cylinder opening and second to carry the cylinder opening; The conveying cylinder opening rotation of the inlet of distributing valve pipe and wearing plate cooperates, and the fitting surface of the fitting surface of distributing valve pipe and wearing plate fits; The shared radian of material retaining board is more than or equal to carrying the shared radian of cylinder opening; The shared radian of blind plate that the shared radian of the inlet of distributing valve pipe is carried between the cylinder opening less than the first conveying cylinder opening and second.Through setting the shared radian of material retaining board more than or equal to carrying the shared radian of cylinder opening; Make in the distributing valve pipe movement process; Conveyance conduit remains higher discharge pressure, and when carrying cylinder to be high pressure, just conveyance conduit is communicated with it, thereby avoids the reflux problem in the pumping process.
Description of drawings
The accompanying drawing that constitutes the part of the utility model is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to first state of first embodiment's of the utility model pumping installations;
Fig. 2 shows A-A according to Fig. 1 to the sectional structure schematic representation;
Fig. 3 shows the structural representation according to second state of first embodiment's of the utility model pumping installations;
Fig. 4 shows the structural representation according to the third state of first embodiment's of the utility model pumping installations;
Fig. 5 shows the structural representation according to the four condition of first embodiment's of the utility model pumping installations;
Fig. 6 shows the structural representation according to second embodiment's of the utility model pumping installations;
Fig. 7 shows the structural representation according to first state of the 3rd embodiment's of the utility model pumping installations;
Fig. 8 shows the structural representation according to second state of the 3rd embodiment's of the utility model pumping installations;
Fig. 9 shows the structural representation according to the third state of the 3rd embodiment's of the utility model pumping installations; And
Figure 10 shows the structural representation according to the four condition of the 3rd embodiment's of the utility model pumping installations.
Embodiment
Hereinafter will and combine embodiment to specify the utility model with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
The direction of arrow is represented distributing valve pipe moving direction among the figure.
Conveying cylinder opening on the wearing plate of the pumping distributing mechanism in the middle of the present embodiment has two at least, and its working principle is basic identical, below will to carry the cylinder openings be example that the embodiment of the utility model is explained with two.
As depicted in figs. 1 and 2, according to first embodiment of the utility model, the pumping distributing mechanism comprises distributing valve pipe 10 and wearing plate 20, and rotation cooperates between distributing valve pipe 10 and the wearing plate.
Distributing valve pipe 10 comprises and the outlet 11 of the circle of the coaxial setting in rotating shaft center and the rotating entry end 12 in center around the shaft.Entry end 12 comprises circular inlet 13 and material retaining board 14.Inlet 13 is arranged on the middle part of entry end 12, is connected with outlet 11, forms the stock passage.Material retaining board 14 is arranged on the two ends of inlet 13 along the sense of rotation of distributing valve pipe 10; Bearing of trend with material retaining board 14 is the length direction of distributing valve pipe 10; Wall thickness edge at inlet 13 width direction also is formed with flange, makes the diameter of the width of material retaining board greater than inlet 13.
The entry end 12 of distributing valve pipe 10 is the arc platy structure that extends along the sense of rotation of distributing valve pipe 10, comprises at the end construction at two ends and is connected the arcuate structure between the end construction of two ends.Inlet 13 is arranged on the intermediate portion of arc platy structure.Material retaining board 14 is positioned at inlet 13 two ends, and material retaining board 14 is positioned on the same plane with inlet 13, and this plane is perpendicular to the rotating shaft center.The end, two ends of entry end 12 is semicircle transition structure, and should the semicircle transition structure extend along the sense of rotation of distributing valve pipe 10.The end, two ends of entry end 12 also can be the structure of straight flange structure or other shape.
Below each radian all use with the rotating shaft center and be the center of circle, be that the circle that forms of radius is as reference with the line at the rotating shaft center and the center of inlet 13.On this circle, material retaining board 14 shared radians are more than or equal to carrying the shared radian of cylinder opening, and preferably, material retaining board 14 shared radians are greater than carrying the shared radian of cylinder opening.When material retaining board 14 shelters from conveying cylinder opening; Material retaining board 14 can be realized hiding fully to carrying the cylinder opening; Prevent to guarantee the concrete maintenance high pressure conditions in the conveyance conduit, make it can not produce backflow carrying cylinder to carry out when pressure is built in the switching of pumping state pressure leakage taking place.
Wearing plate 20 comprises wearing plate body 23, the first conveying cylinder opening 21 and the second conveying cylinder opening 22; First carries cylinder opening 21 and second to carry cylinder opening 22 to be arranged on the wearing plate body 23, and first carries cylinder opening 21 and second to carry the blind plate that is formed for shutoff inlet 13 between the cylinder opening 22.It is circular that the first conveying cylinder opening 21 and second is carried cylinder opening 22; It is on the same circumference in the center of circle that their center of circle is positioned at the rotating shaft center; And match with the rotate path of distributing valve pipe 10, make distributing valve pipe 10 can realize that in rotary course first carries cylinder opening 21 and second to carry opening or hiding fully of cylinder opening 22.First carries cylinder opening 21 and second to carry the diameter of cylinder opening 22 identical with the diameter of the inlet 13 of distributing valve pipe 10.
Wearing plate body 23 is the arc platy structure that extends along the sense of rotation of distributing valve pipe 10; First carries cylinder opening 21 and second to carry cylinder opening 22 to lay respectively at the two ends of wearing plate body 23; It is the blind plate structure that the first conveying cylinder opening 21 and second is carried between the cylinder opening 22; Carry cylinder opening 22 spaced apart the first conveying cylinder opening 21 and second, make first to carry cylinder opening 21 and second to carry cylinder opening 22 not connect.The edges at two ends of wearing plate body 23 is a semicircle transition structure or for the straight flange structure, and concrete structure shape can be decided according to the structure shape of the entry end 12 of distributing valve pipe 10.The profile of wearing plate 20 is greater than the profile of distributing valve pipe 10, when distributing valve pipe 10 is slided on wearing plate 20, wearing plate 20 can and distributing valve pipe 10 between form the good relation of being sealed and matched.
The shared radian of blind plate that the inlet 13 shared radians of distributing valve pipe 10 are carried between the cylinder opening 22 less than the first conveying cylinder opening 21 and second; When the material retaining board at inlet 13 two ends carries cylinder opening 21 and second to carry cylinder opening 22 to form covering simultaneously to first; Inlet 13 is blocked by wearing plate body 23, and the pumping pressures in the distributing valve pipe 10 are maintained.Carry this moment first cylinder opening 21 and second to carry in the cylinder opening 22 and begin to build pressure; Because inlet 13 and first is carried cylinder opening 21 and second to carry between the cylinder opening 22 and is isolation; Therefore the phenomenon that high low pressure is ganged up can not take place; Also just prevent the pressure loss in the conveyance conduit, made to remain the high pressure pumping in the conveyance conduit, avoided the generation of backflow phenomenon in the pumping process.
The relation that cooperates for rotation between the conveying cylinder opening of the inlet 13 of distributing valve pipe 10 and wearing plate 20; Through making 10 rotations of distributing valve pipe; The inlet 13 that makes distributing valve pipe 10 reaches the state that is communicated with or separates with carrying between the cylinder opening, make material retaining board 14 hide perhaps open state with carrying to form between the cylinder opening.When carrying cylinder to carry out state adjustment preparation pumping, make material retaining board 14 hide the conveying cylinder opening at this conveying cylinders place, make this conveying cylinder adjustment pumping pressure; So that after material retaining board 14 leaves this conveying cylinder opening; Carry cylinder have with distributing valve pipe 10 in essentially identical pumping pressure, thereby make pumping pressure in the distributing valve pipe 10 when carrying the cylinder state to switch, still can keep elevated pressures; The reflux problem of avoiding underpressure in the pumping process and causing, the protection pumping installations is injury-free.
Fit between the fitting surface of the fitting surface of distributing valve pipe 10 and wearing plate 20, make when cooperating between distributing valve pipe 10 and the wearing plate 20, can have pressurize effect preferably and pumping effect, improve the stability of pumping installations.
Wearing plate body 23 is the platy structure on plane for wear-resistant surface, and correspondingly, the fitting surface of the entry end 12 of distributing valve pipe 10 also is a plane structure.
Distributing valve pipe 10 in the middle of the present embodiment for example is S shape distributing valve pipe or C shape distributing valve pipe.The rotation form of distributing valve pipe 10 can be swing or circumference rotation.When distributing valve pipe 10 was swing, two swing limit positions at inlet 13 centers of distributing valve pipe 10 were respectively first and carry the central position of cylinder opening 21 and the central position of the second conveying cylinder opening 22.
As shown in Figure 6; Second embodiment according to the utility model; Its structure and first embodiment are basic identical, and difference is that the wearing plate body 23 in the middle of the present embodiment is the platy structure of curved surface for wear-resistant surface; Correspondingly, the fitting surface of the entry end 12 of distributing valve pipe 10 also is the curved-surface structure that cooperates with this wear-resistant surface.
Like Fig. 7 and shown in Figure 8; The 3rd embodiment according to the utility model; Its structure and first embodiment are basic identical, and difference is, in the middle of the present embodiment; Wearing plate body 23 is circular platy structure, and it is that the center is symmetricly set on the wearing plate body 23 with the center of circle of wearing plate body 23 that the first conveying cylinder opening 21 and second is carried cylinder opening 22.Distributing valve pipe 10 in the middle of the present embodiment is for having the discoideus structure of a circular incision, being centered close on the diameter of the center of this circular incision and distributing valve pipe 10, and the shared radian of circular incision is greater than the shared radian of conveying cylinder opening.The motion of the distributing valve pipe 10 in the present embodiment can be that the circumference of single direction rotates, also can for as first embodiment in the middle of swing.
Embodiment according to the utility model; Pumping installations comprises hopper 30, discharge nozzle 40 and carries cylinder 50; Carry cylinder 50 to comprise that first carries cylinder 51 and second to carry cylinder 52; Pumping installations also comprises above-mentioned pumping distributing mechanism, and the outlet 11 of the distributing valve pipe 10 of pumping distributing mechanism is connected to first end of discharge nozzle 40, and first carries cylinder 51 to be connected to the first conveying cylinder opening 21 of the distributing valve pipe 10 of pumping distributing mechanism; The second conveying cylinder 52 is connected to the second conveying cylinder opening 22, the first of the distributing valve pipe 10 of pumping distributing mechanism and carries cylinder openings 21 and second to carry cylinder opening 22 to be positioned at hopper 30.
According to the embodiment of the utility model, concrete mixer comprises pumping installations and boom system, and this pumping installations is above-mentioned pumping installations, and second end of the discharge nozzle 40 of pumping installations is connected to boom system.
Be example with S shape distributing valve pipe below, first embodiment's of the utility model the pumping principle of pumping installations be described in conjunction with Fig. 3 to Fig. 5:
Carrying cylinder opening 22 to be communicated with the inlet 13 and second of distributing valve pipe 10 is initial state, and carry cylinder 52 stocks this moment second, and first carries cylinder 51 to carry cylinder opening 21 to be communicated with hopper 30 through first, is in the suction state.
Distributing valve pipe 10 is clockwise rotated; Make the inlet 13 of distributing valve pipe 10 break away from the second conveying cylinder opening 22; Make the material retaining board 14 of distributing valve pipe 10 block the first conveying cylinder opening 21 and the second conveying cylinder opening 22 respectively; First carries cylinder 51 switching states to prepare stock, and second carries cylinder 52 switching states to prepare suction.Inlet 13 at distributing valve pipe 10 breaks away from the process of carrying the cylinder opening, and material retaining board 14 beginnings hide the conveying cylinder opening at inlet 13 two ends gradually, and first carries cylinder 51 to begin to build pressure.
When the meta between two adjacent conveyor cylinders of distributing valve pipe 10 arrival; The material retaining board 14 at 13 two ends of entering the mouth this moment is overlapping fully with two conveying cylinder openings; First carries cylinder 51 to continue to build pressure; Accomplish two switching-overs of carrying cylinder simultaneously, carry this moment first cylinder 51 to get into the pumping standby condition, second carries cylinder 52 to get into the suction standby condition.
Make distributing valve pipe 10 continue to clockwise rotate, make the inlet 13 and first of distributing valve pipe 10 carry cylinder opening 21 to be communicated with, make second to carry cylinder opening 22 to be communicated with hopper, first carries cylinder 51 stocks, and second carries cylinder 52 suctions.
In this process, inlet 13 carries cylinder opening 21 to be communicated with fully with first gradually, the pressure that first carries cylinder 51 pressure to reach the second conveying cylinder 52 when stopping stock; Because in the process of inlet 13 conversion connecting passages; All the time carried cylinder opening 21 and second to carry the blind plate between the cylinder opening 22 to hide by first, therefore, the pumping pressure in the distributing valve pipe 10 remains; The first conveying cylinder 51 continues to keep the high pressure pumping after connecting with distributing valve pipe 10.
After the first conveying cylinder, 51 stocks were accomplished, distributing valve pipe 10 began to rotate counterclockwise, and begins to continue pumping along opposite direction, and the pumping process is identical with above-mentioned steps, thereby realizes the high pressure pumping of pumping installations, prevents the pumped back flow phenomenon.
Identical according to the pumping process of second embodiment's of the utility model pumping installations with pumped process in the middle of first embodiment, repeat no more here.
The 3rd embodiment's of the utility model the pumping principle of pumping installations is described: according to the 3rd embodiment's of the utility model pumping installations below in conjunction with Fig. 8 to Figure 10; The pumping process of the pumping installations in the middle of the pumping process and first embodiment is basic identical; Difference is; After first in the present embodiment carried the completion of cylinder 51 stocks, distributing valve pipe 10 was to continue to rotate along former sense of rotation, rather than swings along the direction of former direction of rotation.Therefore, the distributing valve pipe 10 in the middle of the present embodiment is that circumference rotatablely moves.
In the middle of other embodiment, the pumping installations among the 3rd embodiment also can be realized the high pressure pumping through the mode of swing.
From above description; Can find out; The utility model the above embodiments have realized following technique effect: when pumping installations is swung at the distributing valve pipe; Delivery pipe and distributing valve pipe are carried the blind plate between the cylinder to seal by two when leaving the conveying cylinder of just accomplishing stock, and the adjacent conveyor cylinder on the distributing valve swaying direction also is assigned with the side plate sealing of valve simultaneously.Concrete in the conveyance conduit will keep high pressure conditions like this, is difficult for producing refluxing.Subsequently, the conveying cylinder that just has been closed of control begins to build pressure, the pressure when making the interior pressure of this conveyings cylinder reach last conveying cylinder to stop.Like this, distributing valve swings to and does not just exist when this conveying cylinder docks tangible pumping pressure to reduce, and refluxes thereby avoid concrete in the conveyance conduit to produce.Because avoided the interior concrete of conveyance conduit to reflux, the pumping that just can reducing refluxes causes is impacted, and promotes the pumping height, the swing of the distributing valve that slows down commutates and then reduces reversing impact.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (11)
1. a pumping distributing mechanism is characterized in that, comprising:
Distributing valve pipe (10); Comprise that with the outlet (11) of the coaxial setting in rotating shaft center of said distributing valve pipe (10) with around the rotating entry end in said rotating shaft center (12) said entry end (12) comprises inlet (13) and is arranged on the material retaining board (14) of said inlet (13) both sides along the sense of rotation of said distributing valve pipe (10);
Wearing plate (20); Comprise that being arranged on said rotating shaft center is that first on the circumference in the center of circle carries cylinder opening (21) to carry cylinder opening (22) with second, said first carries the blind plate that is formed for the said inlet of shutoff (13) between the cylinder opening (21) and the second conveying cylinder opening (22);
The inlet (13) of said distributing valve pipe (10) and the rotation of the conveying cylinder opening of said wearing plate (20) cooperate, and the fitting surface of the fitting surface of said distributing valve pipe (10) and said wearing plate (20) fits;
Being the center of circle with said rotating shaft center, is on the circle that forms of radius with the line at the center of said rotating shaft center and said inlet (13), and the shared radian of said material retaining board (14) is more than or equal to the shared radian of said conveying cylinder opening, and is not more than the shared radian of said blind plate;
The shared radian of blind plate that the shared radian of inlet (13) of said distributing valve pipe (10) is carried between the cylinder opening (22) less than the said first conveying cylinder opening (21) and said second.
2. pumping distributing mechanism according to claim 1; It is characterized in that; Said wearing plate (20) comprises wearing plate body (23); Said wearing plate body (23) is the platy structure that extends along the sense of rotation of said distributing valve pipe (10), and said first carries cylinder opening (21) and said second to carry cylinder opening (22) to lay respectively at the two ends of said wearing plate body (23).
3. pumping distributing mechanism according to claim 2 is characterized in that, the edges at two ends of said wearing plate body (23) is semicircle transition structure.
4. pumping distributing mechanism according to claim 2 is characterized in that, said wearing plate body (23) is the platy structure on plane for wear-resistant surface.
5. pumping distributing mechanism according to claim 2 is characterized in that, said wearing plate body (23) is the platy structure of curved surface for wear-resistant surface.
6. pumping distributing mechanism according to claim 1; It is characterized in that; Said wearing plate (20) comprises wearing plate body (23); Said wearing plate body (23) is circular platy structure, and it is that the center of circle is symmetrical set with the center of said wearing plate body (23) that the said first conveying cylinder opening (21) and said second is carried cylinder opening (22).
7. pumping distributing mechanism according to claim 1; It is characterized in that; The entry end (12) of said distributing valve pipe (10) is the arc platy structure that extends along the sense of rotation of said distributing valve pipe (10), and said inlet (13) is arranged on the intermediate portion of said arc platy structure.
8. pumping distributing mechanism according to claim 7 is characterized in that, the end, two ends of said entry end (12) is semicircle transition structure.
9. pumping distributing mechanism according to claim 1 is characterized in that, said distributing valve pipe (10) is S shape distributing valve pipe or C shape distributing valve pipe.
10. pumping installations; Comprise hopper (30), discharge nozzle (40) and carry cylinder (50); Said conveying cylinder (50) comprises that first carries cylinder (51) and second to carry cylinder (52); It is characterized in that; Said pumping installations also comprises each described pumping distributing mechanism in the claim 1 to 9, and the outlet (11) of the distributing valve pipe (10) of said pumping distributing mechanism is connected to first end of said discharge nozzle (40), and said first carries cylinder (51) to be connected to the first conveying cylinder opening (21) of the distributing valve pipe (10) of said pumping distributing mechanism; Said second carries cylinder (52) to be connected to the second conveying cylinder opening (22) of the distributing valve pipe (10) of said pumping distributing mechanism, and said first carries cylinder opening (21) and said second to carry cylinder opening (22) to be positioned at said hopper (30).
11. a concrete mixer comprises pumping installations and boom system, it is characterized in that, said pumping installations is the described pumping installations of claim 10, and second end of the discharge nozzle of said pumping installations (40) is connected to said boom system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180986 CN202531378U (en) | 2012-04-25 | 2012-04-25 | Pumping distributing mechanism, pumping device and concrete pumping vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180986 CN202531378U (en) | 2012-04-25 | 2012-04-25 | Pumping distributing mechanism, pumping device and concrete pumping vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531378U true CN202531378U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220180986 Expired - Fee Related CN202531378U (en) | 2012-04-25 | 2012-04-25 | Pumping distributing mechanism, pumping device and concrete pumping vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531378U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979693A (en) * | 2012-11-27 | 2013-03-20 | 长安大学 | Device capable of realizing continuous constant flow pumping of concrete and control method of device |
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
| CN104261132A (en) * | 2014-08-01 | 2015-01-07 | 深圳市顺昌龙商砼服务有限公司 | Full-automatic concrete conveying device and control method |
| CN110067390A (en) * | 2019-04-25 | 2019-07-30 | 张家霞 | A kind of concrete alternative expression pump shooting method |
| CN114790826A (en) * | 2021-01-25 | 2022-07-26 | 三一汽车制造有限公司 | Gate valve pumping mechanism and concrete conveying equipment |
-
2012
- 2012-04-25 CN CN 201220180986 patent/CN202531378U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979693A (en) * | 2012-11-27 | 2013-03-20 | 长安大学 | Device capable of realizing continuous constant flow pumping of concrete and control method of device |
| CN102979693B (en) * | 2012-11-27 | 2015-08-19 | 长安大学 | A kind of device and controlling method thereof realizing the pumping of concrete continuous constant flow |
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
| CN104261132A (en) * | 2014-08-01 | 2015-01-07 | 深圳市顺昌龙商砼服务有限公司 | Full-automatic concrete conveying device and control method |
| CN110067390A (en) * | 2019-04-25 | 2019-07-30 | 张家霞 | A kind of concrete alternative expression pump shooting method |
| CN114790826A (en) * | 2021-01-25 | 2022-07-26 | 三一汽车制造有限公司 | Gate valve pumping mechanism and concrete conveying equipment |
| CN114790826B (en) * | 2021-01-25 | 2023-09-12 | 三一汽车制造有限公司 | Gate valve pumping mechanism and concrete conveying equipment |
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Granted publication date: 20121114 Termination date: 20160425 |