CN103352822B - Plunger sloping plate formula slurry pump - Google Patents
Plunger sloping plate formula slurry pump Download PDFInfo
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- CN103352822B CN103352822B CN201310247869.1A CN201310247869A CN103352822B CN 103352822 B CN103352822 B CN 103352822B CN 201310247869 A CN201310247869 A CN 201310247869A CN 103352822 B CN103352822 B CN 103352822B
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Abstract
The invention discloses a kind of plunger sloping plate formula slurry pump, comprise pedestal, top is nested with petticoat valve in pedestal, upper surface is near the cylinder barrel of petticoat valve bottom and the lower shell body that is arranged on below cylinder barrel; The outside mask of described petticoat valve is provided with elevating hopper; Go in ring in cylinder barrel and be evenly equipped with several cylinder barrels, in each cylinder barrel, be provided with plunger; Be provided with swash plate in lower shell body, the bottom of described lower shell body is provided with pivoting support, and pivoting support is connected with drive portion; The top of pivoting support is provided with multiple roller, and the peak of described roller forms a clinoplain, and described swash plate is connected with cylinder barrel is universal, and lower surface and the above-mentioned clinoplain of described swash plate coincide, and described swash plate and substantially horizontal shape are in an angle; Described plunger sloping plate formula slurry pump also comprises main shaft; Described pivoting support rotates and drives spindle synchronous to rotate, and main axis drives described petticoat valve synchronous axial system.The present invention can realize continuous pulsating movement free pumping, reliable stable.
Description
Technical field
The present invention relates to a kind of slurry pump, particularly relate to a kind of plunger sloping plate formula slurry pump.
Background technique
In current engineering construction, the mainly operation such as spraying, concrete wet shotcrete technology, its manipulating object is the semifluid materials such as mortar, mud, fine concrete.Existing pumping equipment generally adopts the modes such as extruding or piston type pumping, after mass transport to certain position, mixes spray with pressurized air.But the modes such as extruding require high to raw material, be unsuitable for the material with particle, and pumping pressure are low; And the twin-tub in traditional Double-cylinder piston type pumping equipment must adopt and is horizontally disposed with, rely on vacuum to carry out suction, due to the switching of twin-tub, there is larger pulsation phenomenon in suction weak effect, affects jeting effect.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the deficiency avoiding above-mentioned prior art to exist, and provides a kind ofly to realize continuous pulsating movement free pumping and the effective plunger sloping plate formula slurry pump of suction.
The technical solution adopted in the present invention is:
Plunger sloping plate formula slurry pump, comprises pedestal, top is nested with petticoat valve in said base, upper surface is near the cylinder barrel of described petticoat valve bottom and the lower shell body that is arranged on below described cylinder barrel; The outside mask of described petticoat valve is provided with elevating hopper; Go in ring in described cylinder barrel and be evenly equipped with several cylinder barrels, plunger is provided with in described each cylinder barrel, the bottom of described plunger is fixed with guide mechanism, the upper and lower end of described cylinder barrel is hatch frame, the upper end of described cylinder barrel is connected with above-mentioned elevating hopper, and the lower end of described cylinder barrel is connected with lower shell body; Swash plate is provided with in described lower shell body, described swash plate is connected with cylinder barrel is universal, and described swash plate is flexibly connected with above-mentioned each guide mechanism, and the bottom of described lower shell body is provided with pivoting support, described pivoting support is positioned at the below of above-mentioned swash plate, and described pivoting support is connected with drive portion; The top of described pivoting support is provided with multiple roller, and the peak of described roller forms a clinoplain, and lower surface and the above-mentioned clinoplain of described swash plate coincide, and described swash plate and substantially horizontal shape are in an angle; Described plunger sloping plate formula slurry pump also comprises main shaft, and the upper end of described main shaft is connected with above-mentioned petticoat valve, and the top of lower end and pivoting support is connected; Described pivoting support rotates and drives spindle synchronous to rotate, and main axis drives described petticoat valve synchronous axial system.
The cross section suitable for reading of described petticoat valve is rounded, and end opening cross section is kidney-shaped; Described petticoat valve is provided with inner chamber, the cross section of described inner chamber from top to bottom by rounded transitional to kidney-shaped; The suitable for reading of described petticoat valve is arranged in said base, and described pedestal is connected with elevating hopper by connecting plate; The end opening of described petticoat valve is pressed on the upper surface of cylinder barrel, and the plunger in the cylinder barrel corresponding with the end opening of described petticoat valve moves upward, and carries out discharging; The both sides of the end opening of described petticoat valve are fixed with isolated area respectively; Not only not relative with the end opening of above-mentioned petticoat valve, but also not relative with above-mentioned isolated area cylinder barrel in plunger move downward, carry out suction.
The upper-end surface of described cylinder barrel is inlaid with wearing plate, and the end opening of described petticoat valve is close to above-mentioned wearing plate, and described wearing plate offers multiple port to the cross section of described wearing plate, and wearing plate is communicated with cylinder barrel by described port.
Under the rotarily driving of described drive portion, described pivoting support coaxially drives above-mentioned petticoat valve to rotate, the end opening of described petticoat valve moves in a circle and the end opening of the described petticoat valve cylinder barrel that rises beyond the Great Wall of alignment post carry out pumping out material all the time, thus forms a discharge zone; And the cylinder barrel that plunger declines is communicated with described elevating hopper, carry out suction, thus form a material sucking area; The isolated area of the end opening both sides of above-mentioned petticoat valve can be used for separating material sucking area and discharge zone; Moved by this continuous print, the present invention can reach the object of the materials such as mud in elevating hopper described in pumping, makes it be sent with certain pressure by the suitable for reading of described petticoat valve.Described pivoting support rotates, and drives swash plate to swing, thus the true dip direction of angle between swash plate and substantially horizontal changes, and does and upwards also changes with the moving direction of the plunger moved downward thereupon.
Described guide mechanism comprises guide sleeve, and the top of described guide sleeve is connected with above-mentioned plunger, is provided with connecting rod in described guide sleeve; Top and the above-mentioned guide sleeve of described connecting rod are hinged, and bottom and the described swash plate of described connecting rod are hinged.
The end face of described swash plate is evenly equipped with multiple bearing support, and in described each bearing support, all cross-under has rotating shaft, and described rotating shaft and above-mentioned connecting rod are hinged.
Described pivoting support comprises rotating part and assembly department, and described rotating part is positioned at the top of above-mentioned assembly department; Described rotating part drives revolution by above-mentioned drive portion, and the bottom of described assembly department and above-mentioned lower shell body is connected; Along with the rotation of rotating part, the true dip direction of the angle between above-mentioned swash plate and substantially horizontal also changes.
Along with the change of the true dip direction of angle between above-mentioned swash plate and substantially horizontal, drive described connecting rod to move up and down, thus promotion plunger move up and down; The Motion curves of described plunger is sinusoidal curve.
Described main shaft comprises main shaft and lower main axis, and described upper and lower main shaft is connected by spline housing; Top and the above-mentioned petticoat valve of described upper main shaft are connected, and bottom is positioned at above-mentioned cylinder barrel; The top of described lower main axis is positioned at above-mentioned cylinder barrel, and bottom and described rotating part are connected.
The central point of described swash plate is positioned on the center line of above-mentioned main shaft, and described swash plate is connected with described cylinder barrel is universal by cross axle, and the central point of described cross axle is positioned on the center line of above-mentioned main shaft; An axle in described cross axle is connected with above-mentioned swash plate, and another root axle is connected with above-mentioned cylinder barrel, and the diaxon infall of described cross axle is an annular region, and above-mentioned main shaft passes this annular region and is not in contact with it.
Described roller has three at least and the peak of each roller forms a curve, described Curves plane equal with the angle of substantially horizontal with above-mentioned swash plate with the angle between substantially horizontal; The top of described each roller is provided with the arc shaped surface suitable with the lower surface at above-mentioned swash plate two ends.
Preferably, described roller has three, and it is respectively the first roller, the second roller and three rollers, and the height of first, second roller described is identical, and both height are all lower than the height of described three rollers; The top of described three rollers is provided with the arc shaped surface suitable with the lower surface at above-mentioned swash plate two ends; The peak of described first, second and third roller forms a curve, described Curves plane equal with the angle between substantially horizontal with above-mentioned swash plate with the angle between substantially horizontal.
Described drive portion is motor or motor, described motor or be provided with driving gear between motor and above-mentioned rotating part.
The present invention is in running, and the plunger of the line side between described swash plate peak and minimum point moves upward, and the plunger of opposite side moves downward.
Owing to have employed technique scheme, the beneficial effect acquired by the present invention is:
1, pivoting support rotation forces swash plate in the present invention swings, and makes the true dip direction generation consecutive variations of the angle of swash plate and substantially horizontal, thus each plunger can be driven to do continuous print move up and down, closely carry out continuous print discharging and suction.
2, pivoting support in the present invention drives petticoat valve to rotate around spindle synchronous, the end opening of petticoat valve is aimed at all the time do the cylinder barrel at the plunger place moved upward; By the continuous motion of plunger and petticoat valve, suction and pumping are carried out simultaneously, do not exist and switch moment, thus continuous pulsating movement free pumping can be realized, ensure jet quality.
3, the cylinder barrel in the present invention is arranged vertically, and material can free fall under gravity, and suction is effective.
4, structure of the present invention is simple, reliable stable, easy to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is A-A sectional view of the present invention.
Fig. 4 is the structural representation of petticoat valve in the present invention.
Fig. 5 is C-C sectional view of the present invention.
Fig. 6 is B-B sectional view of the present invention.
Fig. 7 is the movement profiles of each plunger in the present invention.
Wherein,
1, pedestal 2, connecting plate 3, elevating hopper 4, petticoat valve 5, upper main shaft 6, wearing plate 7, cylinder barrel 8, cylinder barrel 9, plunger 10, guide sleeve 11, connecting rod 12, bearing support 13, lower shell body 14, swash plate 15, cross axle 16, lower main axis 17, drive portion 18, pivoting support 19, rotating part 20, assembly department 21, three rollers 22, first roller 23, second roller 24, isolated area 25, suitable for reading 26, end opening 27, spline housing
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
As shown in Figures 1 and 2, plunger sloping plate formula slurry pump, comprises pedestal 1, top is nested with petticoat valve 4 in said base 1, upper surface is near the cylinder barrel 7 of described petticoat valve 4 bottom and the lower shell body 13 that is arranged on below described cylinder barrel 7; The outside mask of described petticoat valve 4 is provided with elevating hopper 3; Go in ring in described cylinder barrel 7 and be evenly equipped with several cylinder barrels 8, plunger 9 is provided with in described each cylinder barrel 8, the bottom of described plunger 9 is fixed with guide mechanism, the upper and lower end of described cylinder barrel 8 is hatch frame, the upper end of described cylinder barrel 8 is connected with above-mentioned elevating hopper 3, and the lower end of described cylinder barrel 8 is connected with lower shell body 13; Swash plate 14 is provided with in described lower shell body 13, described swash plate 14 is flexibly connected with above-mentioned each guide mechanism, the bottom of described lower shell body 13 is provided with pivoting support 18, and described pivoting support 18 is positioned at the below of above-mentioned swash plate 14, and described pivoting support 18 is connected with drive portion 17; The top of described pivoting support 18 is provided with multiple roller, and the peak of described roller forms a clinoplain, and lower surface and the above-mentioned clinoplain of described swash plate 14 coincide, and described swash plate 14 and substantially horizontal shape are in an angle; Described plunger sloping plate formula slurry pump also comprises main shaft, and upper end and the above-mentioned petticoat valve 4 of described main shaft are connected, and the top of lower end and pivoting support 18 is connected, and above-mentioned swash plate 14 is connected with cylinder barrel is universal; Described pivoting support 18 rotates and drives spindle synchronous to rotate, and main axis drives described petticoat valve 4 synchronous axial system.
As shown in Figures 4 and 5, described petticoat valve 4 suitable for reading 25 cross section rounded, the cross section of end opening 26 is kidney-shaped; Described petticoat valve 4 is provided with inner chamber, the cross section of described inner chamber from top to bottom by rounded transitional to kidney-shaped; Suitable for reading 25 of described petticoat valve 4 is arranged in said base 1, and described pedestal 1 is connected with elevating hopper 3 by connecting plate 2; The end opening 26 of described petticoat valve 4 is pressed on the upper surface of cylinder barrel 7, and the plunger 9 in the cylinder barrel corresponding with the end opening of described petticoat valve 4 moves upward, and carries out discharging; The both sides of the end opening of described petticoat valve 4 are fixed with isolated area 24 respectively; Not only not relative with the end opening 26 of above-mentioned petticoat valve 4, but also not relative with above-mentioned isolated area 24 cylinder barrel in plunger 9 move downward, carry out suction.
As shown in Figures 1 and 2, the upper-end surface of described cylinder barrel 7 is inlaid with wearing plate 6, and the end opening 26 of described petticoat valve 4 is close to above-mentioned wearing plate 6, the cross section of described wearing plate 6, described wearing plate 6 offers multiple port, and wearing plate 6 is communicated with cylinder barrel 8 by described port.
Under the rotarily driving of described drive portion 17, described pivoting support 18 coaxially drives above-mentioned petticoat valve 4 to rotate, the end opening 26 of described petticoat valve 4 moves in a circle and the end opening 26 of described petticoat valve 4 is aimed at the cylinder barrel of plunger 9 rising all the time and carried out pumping out material, thus forms a discharge zone; And the cylinder barrel that plunger 9 declines is communicated with described elevating hopper 3, carry out suction, thus form a material sucking area; The isolated area 24 of the end opening both sides of above-mentioned petticoat valve 4 can be used for separating material sucking area and discharge zone; Described pivoting support 18 rotates, and drive swash plate 14 to swing, thus the true dip direction of angle between swash plate 14 and substantially horizontal changes, and does and upwards also changes with the moving direction of the plunger 9 moved downward thereupon.Moved by this continuous print, the present invention can reach the object of the materials such as mud in elevating hopper described in pumping, makes it be sent with certain pressure by the suitable for reading of described petticoat valve 4.
As shown in Figures 1 and 2, described guide mechanism comprises guide sleeve 10, and the top of described guide sleeve 10 is connected with above-mentioned plunger 9, is provided with connecting rod 11 in described guide sleeve 10; Top and the above-mentioned guide sleeve 10 of described connecting rod 11 are hinged; The end face of described swash plate 14 is evenly equipped with multiple bearing support 12, and in described each bearing support 12, all cross-under has rotating shaft, and the bottom of described rotating shaft and above-mentioned connecting rod 11 is hinged.
As shown in Figures 1 and 2, described pivoting support 18 comprises rotating part 19 and assembly department 20, and described rotating part 19 is positioned at the top of above-mentioned assembly department 20; Described rotating part 19 drives revolution by above-mentioned drive portion 17, and described assembly department 20 is connected with the bottom of above-mentioned lower shell body 13; Along with the rotation of rotating part 19, the true dip direction of the angle between above-mentioned swash plate 14 and substantially horizontal also changes.
Along with the change of the true dip direction of angle between above-mentioned swash plate 14 and substantially horizontal, drive described connecting rod 11 to move up and down, thus promotion plunger 9 move up and down; The Motion curves of described plunger 9 is sinusoidal curve.
As shown in Figures 1 and 2, described main shaft comprises main shaft 5 and lower main axis 16, and described upper and lower main shaft is connected by spline housing 27; Top and the above-mentioned petticoat valve 4 of described upper main shaft 5 are connected, and bottom is positioned at above-mentioned cylinder barrel 7; The top of described lower main axis 16 is positioned at above-mentioned cylinder barrel 7, and bottom and described rotating part 19 are connected.
As shown in Figure 1, Figure 2 and Figure 3, the central point of described swash plate 14 is positioned on the center line of above-mentioned main shaft, and described swash plate 14 is connected with described cylinder barrel is universal by cross axle 15, and the central point of described cross axle 15 is positioned on the center line of above-mentioned main shaft; An axle in described cross axle 15 is connected with above-mentioned swash plate 14, and another root axle is connected with above-mentioned cylinder barrel 7; Described cross axle diaxon infall is an annular region, and above-mentioned main shaft passes this annular region and is not in contact with it.
Described roller has multiple and the peak of each roller forms a curve, described Curves plane equal with the angle of substantially horizontal with above-mentioned swash plate 14 with the angle between substantially horizontal; The top of described each roller is provided with the arc shaped surface suitable with above-mentioned swash plate 14 lower surface.
Preferably, described roller has three, and it is respectively the first roller 22, second roller 23 and three rollers 21, and the height of first, second roller described is identical, and both height are all lower than the height of described three rollers 21; The top of described three rollers 21 is provided with the arc shaped surface suitable with the lower surface at above-mentioned swash plate 14 two ends; The peak of described first, second and third roller forms a curve, described Curves plane equal with the angle between substantially horizontal with above-mentioned swash plate 14 with the angle between substantially horizontal.
Preferably, described drive portion is motor or motor, described motor or be provided with driving gear between motor and above-mentioned rotating part 19.
The present invention is in running, and the plunger of the line side between the peak of described swash plate and minimum point moves upward, and the plunger of opposite side moves downward.
Composition graphs 6 and Fig. 7, the existing working procedure of invention work briefly describes as follows:
Motor or motor drive pivoting support 18 to rotate by driving driving gear, the Curves that the peak of the roller on pivoting support 18 is formed the true dip direction of plane change, thus the true dip direction promoting swash plate 14 also changes thereupon, the connecting rod 11 be hinged with swash plate 14 promotes each plunger 9 and moves up and down respectively, and the Motion curves of plunger 9 is sinusoidal curve.
Meanwhile, pivoting support 18 drives petticoat valve 4 to rotate in elevating hopper 3 by spindle synchronous, and the cylinder barrel corresponding to end opening 26 of petticoat valve 4 is changed successively; Due to the synchronous axial system of each parts, make the cylinder barrel at the plunger place moved upward aim at the end opening 26 of above-mentioned petticoat valve 4 all the time, carry out discharging; The cylinder barrel at the plunger place moved downward is positioned at the outside of petticoat valve 4 all the time, carries out suction; And transfer the moment moved downward to by moving upward when plunger, the cylinder barrel at plunger place just to above-mentioned isolated area 24 and its district 24 that is isolated suitable for reading close, described isolated area serves the effect of being separated in discharge zone and material sucking area.
For nine plungers, as shown in Figure 7, abscissa is the time, and y coordinate is the displacement of plunger, at t
0in the moment, plunger 8 is positioned at isolated area, and plunger 5,6,7 moves upward, and is positioned at discharge zone; Plunger 9,1,2 moves downward, and is positioned at material sucking area; Plunger 4 enters isolated area by discharge zone, and plunger 3 starts to leave isolated area and enters material sucking area; And so forth, by continuous print suction and discharging, the object of uninterrupted pumping can be reached.
Preferably, by adjusting the shape of the end opening 26 of petticoat valve 4, namely each plunger of adjustable is positioned at the sequential in each district.
Employ the terms such as such as pedestal 1, connecting plate 2, petticoat valve 4, wearing plate 6, plunger 9, cross axle 15, pivoting support 18, isolated area 24 although more herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Need to further illustrate, specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (9)
1. plunger sloping plate formula slurry pump, is characterized in that: comprise pedestal, top is nested with petticoat valve in said base, upper surface is near the cylinder barrel of described petticoat valve bottom and the lower shell body that is arranged on below described cylinder barrel; The outside mask of described petticoat valve is provided with elevating hopper; Go in ring in described cylinder barrel and be evenly equipped with several cylinder barrels, plunger is provided with in described each cylinder barrel, the bottom of described plunger is fixed with guide mechanism, the upper and lower end of described cylinder barrel is hatch frame, the upper end of described cylinder barrel is connected with above-mentioned elevating hopper, and the lower end of described cylinder barrel is connected with lower shell body; Be provided with swash plate in described lower shell body, described swash plate is connected with cylinder barrel is universal; Described swash plate is flexibly connected with each guide mechanism above-mentioned, and the bottom of described lower shell body is provided with pivoting support, and described pivoting support is positioned at the below of above-mentioned swash plate, and described pivoting support is connected with drive portion; The top of described pivoting support is provided with multiple roller, and the peak of described roller forms a clinoplain, and lower surface and the above-mentioned clinoplain of described swash plate coincide, and described swash plate and substantially horizontal shape are in an angle; Described plunger sloping plate formula slurry pump also comprises main shaft, and the upper end of described main shaft is connected with above-mentioned petticoat valve, and the top of lower end and pivoting support is connected; The cross section suitable for reading of described petticoat valve is rounded, and end opening cross section is kidney-shaped; Described petticoat valve is provided with inner chamber, the cross section of described inner chamber from top to bottom by rounded transitional to kidney-shaped; The suitable for reading of described petticoat valve is arranged in said base, and described pedestal is connected with elevating hopper by connecting plate; The end opening of described petticoat valve is pressed on the upper surface of cylinder barrel, and the plunger in the cylinder barrel corresponding with the end opening of described petticoat valve moves upward, and carries out discharging; The both sides of the end opening of described petticoat valve are fixed with isolated area respectively; Not only not relative with the end opening of above-mentioned petticoat valve, but also not relative with above-mentioned isolated area cylinder barrel in plunger move downward, carry out suction; The Motion curves of described plunger is sinusoidal curve.
2. plunger sloping plate formula slurry pump according to claim 1, it is characterized in that: the upper-end surface of described cylinder barrel is inlaid with wearing plate, the end opening of described petticoat valve is close to above-mentioned wearing plate, the cross section of described wearing plate, described wearing plate offers multiple port, and wearing plate is communicated with cylinder barrel by described port.
3. plunger sloping plate formula slurry pump according to claim 1, is characterized in that: described guide mechanism comprises guide sleeve, and top and the above-mentioned plunger of described guide sleeve are connected, and are provided with connecting rod in described guide sleeve; Top and the above-mentioned guide sleeve of described connecting rod are hinged; The end face of described swash plate is evenly equipped with multiple bearing support, and in described each bearing support, all cross-under has rotating shaft, and the lower end of described rotating shaft and above-mentioned connecting rod is hinged.
4. plunger sloping plate formula slurry pump according to claim 1, it is characterized in that: described pivoting support comprises rotating part and assembly department, described rotating part is positioned at the top of above-mentioned assembly department; Described rotating part drives revolution by above-mentioned drive portion, and the bottom of described assembly department and above-mentioned lower shell body is connected.
5. plunger sloping plate formula slurry pump according to claim 4, is characterized in that: described main shaft comprises main shaft and lower main axis, and described upper and lower main shaft is connected by spline housing; Top and the above-mentioned petticoat valve of described upper main shaft are connected, and bottom is positioned at above-mentioned cylinder barrel; The top of described lower main axis is positioned at above-mentioned cylinder barrel, and bottom and described rotating part are connected.
6. plunger sloping plate formula slurry pump according to claim 1, it is characterized in that: the central point of described swash plate is positioned on the center line of above-mentioned main shaft, described swash plate is connected with described cylinder barrel is universal by cross axle, and the central point of described cross axle is positioned on the center line of above-mentioned main shaft; An axle in described cross axle is connected with above-mentioned swash plate, and another root axle is connected with above-mentioned cylinder barrel; Described cross axle diaxon infall is an annular region, and above-mentioned main shaft passes this annular region and is not in contact with it.
7. plunger sloping plate formula slurry pump according to claim 1, it is characterized in that: described roller has three at least and the peak of each roller forms a curve, described Curves plane equal with the angle between substantially horizontal with above-mentioned swash plate with the angle between substantially horizontal; The top of described each roller is provided with the arc shaped surface suitable with the lower surface of above-mentioned swash plate.
8. plunger sloping plate formula slurry pump according to claim 1, it is characterized in that: described roller has three, it is respectively the first roller, the second roller and three rollers, and the height of first, second roller described is identical, and both height are all lower than the height of described three rollers; The top of described three rollers is provided with the arc shaped surface suitable with the lower surface at above-mentioned swash plate two ends; The peak of described first, second and third roller forms a curve, described Curves plane equal with the angle between substantially horizontal with above-mentioned swash plate with the angle between substantially horizontal.
9. plunger sloping plate formula slurry pump according to claim 4, is characterized in that: described drive portion is motor, is provided with driving gear between described motor and above-mentioned rotating part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310247869.1A CN103352822B (en) | 2013-06-20 | 2013-06-20 | Plunger sloping plate formula slurry pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310247869.1A CN103352822B (en) | 2013-06-20 | 2013-06-20 | Plunger sloping plate formula slurry pump |
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| CN103352822A CN103352822A (en) | 2013-10-16 |
| CN103352822B true CN103352822B (en) | 2015-12-02 |
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| CN107387846B (en) * | 2017-09-01 | 2019-01-04 | 贵州创能科技有限公司 | A kind of mechanical linkage control device of linkage valve |
| CN117533791B (en) * | 2024-01-10 | 2024-04-30 | 中斯峰然建设有限公司 | Low-energy-consumption road construction material conveying device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1411084A (en) * | 1971-11-24 | 1975-10-22 | Sev Pumps Ltd | Pumps |
| JPH07324678A (en) * | 1994-05-31 | 1995-12-12 | Nippondenso Co Ltd | Swash plate type compressor |
| IT1294068B1 (en) * | 1997-01-17 | 1999-03-22 | Gianguido Ravellini | PUMPING DEVICE, IN PARTICULAR FOR CEMENTITIOUS MATERIAL. |
| CN202645910U (en) * | 2012-07-04 | 2013-01-02 | 西安通源正合石油工程有限公司 | Petroleum drilling slime pump |
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