CN115217733B - Stroke-adjustable multistage reciprocating pump based on crank sliding block - Google Patents
Stroke-adjustable multistage reciprocating pump based on crank sliding block Download PDFInfo
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- CN115217733B CN115217733B CN202210841391.4A CN202210841391A CN115217733B CN 115217733 B CN115217733 B CN 115217733B CN 202210841391 A CN202210841391 A CN 202210841391A CN 115217733 B CN115217733 B CN 115217733B
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- supporting plates
- telescopic rod
- piston
- stroke
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- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0408—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0421—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a stroke-adjustable multistage reciprocating pump based on a crank sliding block, which comprises a frame, a motor frame, a wheel disc, a telescopic rod assembly, a sliding block groove, a sliding groove, a piston rod, a piston head and a piston cylinder. The invention adopts the crank slide block mechanism, wherein the wheel disc is used as a crank, and the rotation of the wheel disc is converted into linear reciprocating motion in two directions through the sliding connection of the slide block and the slide groove, so that the invention has strong liquid supply capability, and simultaneously has lower flow pulsation rate and vibration; in addition, the crank stroke of the invention is adjustable, the sliding block is fixed on the telescopic rod assembly, and the position of the sliding block can be adjusted by controlling the telescopic rod assembly, so that the stroke of the crank is adjusted; in addition, the length of the sliding block can be adjusted according to working conditions by adopting a multistage structure, so that the flow is changed. Simultaneously, the sliding grooves and the pistons are overlapped, the multi-stage layout is expanded, and the liquid supply capacity of the pump is further improved.
Description
Technical Field
The invention belongs to the technical field of civil aviation ground special equipment, in particular to a reciprocating pump which can adapt to various working conditions, has adjustable flow and low flow pulsation rate, and particularly relates to a multistage reciprocating pump with an adjustable stroke based on a crank block.
Background
In cold weather, the temperature on the apron is extremely low, which can cause the surface of the airplane body and the wing to freeze, and the aerodynamic shape of the airplane body and the wing is changed, so that the airplane can not take off and land normally.
In the civil aviation field, deicing is carried out by using deicing fluid, so that the deicing fluid is an efficient deicing mode, has longer effectiveness and stability compared with deicing by a physical method, and can not damage the surfaces of wings and a fuselage. The deicing fluid is a compound having high viscosity, and a polymer chain of the compound as an organic substance is easily damaged by extrusion and impact, so that a reciprocating pump which does not shear the fluid is required for spraying the deicing fluid. The traditional reciprocating pump has larger flow pulsation, vibration and noise, and the service life of the pump is greatly influenced, which causes no small loss to the maintenance work of the aircraft.
Disclosure of Invention
The invention aims to provide a multistage reciprocating pump with an adjustable stroke based on a crank block, which solves the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multistage reciprocating pump based on adjustable stroke of slider-crank, includes frame, motor, telescopic link subassembly, the frame includes the base, the up end both sides of base are provided with one-level outer support plate relatively, two on the horizontal line that one-level outer support plate is connected be provided with two second level outer support plate of relative distribution perpendicularly, and two second level outer support plate sets up equally in the terminal surface both sides of base, two the terminal surface that one-level outer support plate is close all is provided with one-level inner support plate, two the terminal surface that two level outer support plate is close all is provided with two level inner support plate, two one-level inner support plate and two in the space that two level inner support plate encloses is provided with the cross, the motor sets up in the terminal surface center of base, the output shaft of motor is provided with the rim plate through the parallel key, just the rim plate is ladder cylindrical structure, be provided with a flange bearing between the cross, the bottom surface center of rim plate fixedly provided with end cover, two one-level outer support plate and two the terminal surface that two second level outer support plate is close all is provided with one-level inner support plate, two the terminal surface that the piston is close is provided with one-level inner support plate respectively, two the piston rod sets up end face that the piston rod is provided with piston rod, the piston rod is provided with the piston rod is connected with the piston rod, the piston rod is provided with the top of the piston rod, the piston rod is provided with the top surface that is distributed relatively, the top surface, and the cylindrical structure at the upper part of the sliding block is arranged in the two layers of sliding grooves in a sliding way.
Preferably, the four-end outer sides of the base are provided with first clamping grooves, the four-end outer sides of the base are fixedly arranged in a shape like a Chinese character 'kou' with the lower ends of the first-stage outer support plate and the second-stage outer support plate in a spaced mode, the lower ends of the first-stage inner support plate and the second-stage inner support plate are fixedly arranged in the four-end inner sides of the base in a shape like a Chinese character 'kou' in a spaced mode, and the four-end inner sides of the base are provided with second clamping grooves.
Preferably, the middle part of the cross is provided with a circular hole, and the outer ends around the cross are fixedly arranged in the first-stage upper clamping grooves of the two first-stage inner supporting plates and the second-stage upper clamping grooves of the two second-stage inner supporting plates respectively through bolts and nuts.
Preferably, the motor frame is fixedly arranged in the middle of the top surface of the motor, the motor frame is of a cross structure, a first central hole is formed in the middle of the motor frame, an output shaft of the motor upwards penetrates through the first central hole of the motor frame, and the outer ends around the motor frame are respectively fixedly arranged in the first-stage lower clamping grooves of the two first-stage inner support plates and the second-stage lower clamping grooves of the two second-stage inner support plates.
Preferably, the liquid inlet and the liquid outlet are respectively used for connecting a liquid inlet pipe and a liquid outlet pipe of external deicing liquid.
Preferably, each piston rod is square, four piston rod connecting sliding grooves penetrate through primary square holes on the end faces of the two primary inner support plates and secondary square holes on the end faces of the two secondary inner support plates, and the piston rods are matched with the primary square holes and the secondary square holes respectively.
Preferably, a second central hole is formed in the middle of the end cover, and the end cover, the cross and the flange bearing form axial positioning.
Preferably, the telescopic link subassembly comprises telescopic link sleeve, step motor and telescopic link shaft, step motor sets up on the telescopic link sleeve, the telescopic link shaft passes through step motor drive and moves in the telescopic link sleeve, the telescopic link shaft runs through the centre of a circle through the rim plate, the flexible scope of telescopic link subassembly is the radius of rim plate, just the telescopic link shaft with the slider groove is on same horizontal line.
Preferably, the diameter of the wheel disc is L, the moving range length of the sliding block is L/2, and the reciprocating motion range of the piston rod is 0-L.
Preferably, the first-stage outer support plate and the second-stage outer support plate are respectively provided with three or more piston cylinders along the vertical direction, and the number of the sliding blocks and the sliding grooves is matched with that of the piston cylinders.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the crank slide block mechanism, wherein the wheel disc is used as a crank, and the rotation of the wheel disc is converted into linear reciprocating motion in two directions through the sliding connection of the slide block and the slide groove, so that the invention has strong liquid supply capability, and simultaneously, the flow pulsation rate and the vibration are lower;
2. the crank stroke of the invention is adjustable, the sliding block is fixed on the telescopic rod assembly, and the position of the sliding block can be adjusted by controlling the telescopic rod assembly so as to adjust the crank stroke;
3. the invention adopts a multi-stage structure, and the length of the sliding block can be adjusted according to working conditions to change the flow. Simultaneously, the sliding groove, the piston rod, the piston head and the piston cylinder are overlapped, the multi-stage layout is expanded, and the liquid supply capacity of the reciprocating pump is further improved.
Drawings
FIG. 1 is a schematic diagram of a multistage reciprocating pump with adjustable stroke based on a crank block;
FIG. 2 is a schematic diagram of an adjusting structure in the multistage reciprocating pump with adjustable stroke based on the crank block;
FIG. 3 is a schematic diagram of a set of piston rods in the multi-stage reciprocating pump with adjustable stroke based on the crank block;
FIG. 4 is a schematic diagram of a frame in the multistage reciprocating pump with adjustable stroke based on a crank block provided by the invention;
FIG. 5 is a schematic diagram of a cross structure in the multi-stage reciprocating pump with adjustable stroke based on the crank block;
FIG. 6 is a schematic diagram of a first-stage inner support plate in the multi-stage reciprocating pump with adjustable stroke based on a crank block;
FIG. 7 is a schematic diagram of a secondary inner support plate structure in the multi-stage reciprocating pump with adjustable stroke based on the crank block;
FIG. 8 is a schematic diagram of a motor frame in the multi-stage reciprocating pump with adjustable stroke based on a crank block;
FIG. 9 is a schematic diagram of a wheel disc connection structure in a multi-stage reciprocating pump with adjustable stroke based on a crank block;
FIG. 10 is a schematic diagram of an end cover structure in a multi-stage reciprocating pump with adjustable stroke based on a crank block;
FIG. 11 is a schematic diagram of a connecting structure of a slider and a telescopic rod shaft in the multistage reciprocating pump with adjustable stroke based on a crank slider;
fig. 12 is a schematic diagram of a multi-stage crank structure in the multi-stage reciprocating pump with adjustable stroke based on the crank block.
In the figure: 1. a frame; 1-1, a base; 1-1-1, a first clamping groove; 1-1-2, a second clamping groove; 1-2, a first-stage outer support plate; 1-3, a secondary outer support plate; 1-4, a first-stage inner supporting plate; 1-4-1, a first-level upper clamping groove; 1-4-2, a first-level lower clamping groove; 1-4-3, primary square holes; 1-5, a second-stage inner supporting plate; 1-5-1, a second-level upper clamping groove; 1-5-2, a second-level lower clamping groove; 1-5-3, two-stage square holes; 1-6, cross; 1-6-1, circular holes; 2. a motor; 3. a motor frame; 3-1, a first central hole; 3-2; 4. a wheel disc; 4-1, a flat key; 5. a telescoping rod assembly; 5-1, a telescopic rod sleeve; 5-2, a stepping motor; 5-3, a telescopic rod shaft; 5-3-1, a first flange; 6. a slide block; 6-1, a threaded hole; 7. a slider groove; 8. a chute; 9. a piston rod; 9-1, a second flange; 10. a piston head; 11. a piston cylinder; 11-1, a liquid inlet; 11-2, a liquid outlet; 12. a flange bearing; 13. an end cap; 13-1, a second central hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution: a stroke-adjustable multistage reciprocating pump based on a crank slider comprises a frame 1, a motor 2 and a telescopic rod assembly 5, wherein the frame 1 comprises a base 1-1, two opposite first-stage outer supporting plates 1-2 are oppositely arranged on two sides of the upper end surface of the base 1-1, two opposite second-stage outer supporting plates 1-3 are vertically arranged on a horizontal line connected with the two first-stage outer supporting plates 1-2, the two second-stage outer supporting plates 1-3 are also fixed on two sides of the end surface of the base 1-1 through bolts and nuts, the adjacent end surfaces of the two first-stage outer supporting plates 1-2 are respectively provided with a first-stage inner supporting plate 1-4, the adjacent end surfaces of the two second-stage outer supporting plates 1-3 are respectively provided with a second-stage inner supporting plate 1-5, a cross 1-6 is arranged in a space surrounded by the two first-stage inner supporting plates 1-4 and the two second-stage inner supporting plates 1-5, the motor 2 is arranged at the center of the end surface of the base 1-1, an output shaft of the motor 2 is connected with a wheel disc 4 through a flat key 4-1, the wheel disc 4 is in a cylindrical structure, a wheel disc 4 is fixedly provided with a piston head of a piston 11, two piston heads 11 are respectively arranged at the two piston heads 11-11 and two piston heads 11 are respectively arranged at the outer side surfaces of the piston heads 11-11, the piston heads 11 are respectively arranged at the two piston heads 11 and the two piston heads 11, the piston heads 11 are respectively arranged at the two outer side surfaces of the piston heads 11, and the piston heads 11 are respectively, the piston heads 11 are fixedly arranged at the positions, and the piston heads 11 are arranged at the positions, and the piston heads are respectively, the sliding grooves 8 are connected between two oppositely distributed piston rods 9 through second flanges 9-1, the telescopic rod assembly 5 is horizontally arranged on the top surface of the wheel disc 4, the sliding block 6 is arranged at the top end of the telescopic rod assembly 5, the top surface of the wheel disc 4 is horizontally provided with a sliding block groove 7, the lower part of the sliding block 6 is provided with a threaded hole 6-1, the sliding block 6 is connected with the first flange 5-3-1 at the top end of the telescopic rod assembly 5 through screws at the threaded hole 6-1, and a cylindrical structure at the upper part of the sliding block 6 is in sliding connection with the two layers of sliding grooves 8.
The four-end outer sides of the base 1-1 are provided with first clamping grooves 1-1-1, the first clamping grooves 1-1-1 on the four-end outer sides are fixedly arranged on the lower ends of the two primary outer support plates 1-2 and the two secondary outer support plates 1-3 in a mode of interval in a shape of mouth through bolts and nuts, the lower ends of the two primary inner support plates 1-4 and the two secondary inner support plates 1-5 are also fixedly arranged on the four-end inner sides of the base 1-1 in a mode of interval in a shape of mouth through bolts and nuts, and the four-end inner sides of the base 1-1 are provided with second clamping grooves 1-1-2.
The middle part of the cross 1-6 is provided with a circular hole 1-6-1, and the outer ends of the periphery of the cross 1-6 are respectively fixedly arranged in the first-stage upper clamping grooves 1-4-1 of the two first-stage inner supporting plates 1-4 and the second-stage upper clamping grooves 1-5-1 of the two second-stage inner supporting plates 1-5 through bolts and nuts.
The middle part of the top surface of the motor 2 is fixedly provided with a motor frame 3, the motor frame 3 is in a cross structure, the middle part of the motor frame 3 is penetrated and provided with a first central hole 3-1, an output shaft of the motor 2 upwards penetrates through the first central hole 3-1 of the motor frame 3, and the peripheral outer ends of the motor frame 3 are respectively and fixedly provided with a first-stage lower clamping groove 1-4-2 of two first-stage inner supporting plates 1-4 and a second-stage lower clamping groove 1-5-2 of two second-stage inner supporting plates 1-5.
The liquid inlet 11-1 and the liquid outlet 11-2 are respectively used for connecting a liquid inlet pipe and a liquid outlet pipe of external deicing liquid.
Each piston rod 9 is square, four piston rods 9 are connected with sliding grooves 8 to penetrate through primary square holes 1-4-3 on the end faces of two primary inner support plates 1-4 and secondary square holes 1-5-3 on the end faces of two secondary inner support plates 1-5, and the piston rods 9 are matched with the primary square holes 1-4-3 and the secondary square holes 1-5-3 respectively, so that the piston rods 9 are prevented from rotating around the axle center, the freedom degree of the piston rods 9 is limited, and the piston rods 9 can do linear reciprocating motion only.
A second center hole 13-1 is formed in the middle of the end cover 13, and the end cover 13, the cross 1-6 and the flange bearing 12 form axial positioning, so that the axial fixation of the wheel disc 4 is realized.
The telescopic rod assembly 5 is composed of a telescopic rod sleeve 5-1, a stepping motor 5-2 and a telescopic rod shaft 5-3, the stepping motor 5-2 is installed on the telescopic rod sleeve 5-1, the telescopic rod shaft 5-3 is driven by the stepping motor 5-2 and moves in the telescopic rod sleeve 5-1, the telescopic rod shaft 5-3 penetrates through the circle center of the wheel disc 4, the telescopic range of the telescopic rod assembly 5 is the radius of the wheel disc 4, and the telescopic rod shaft 5-3 and the sliding block groove 7 are on the same horizontal line.
The diameter of the wheel disc 4 is L, the moving range length of the sliding block 6 is L/2, and the reciprocating range of the piston rod 9 is 0-L.
Three or more than three piston cylinders 11 are respectively arranged on the end surfaces of the primary outer support plate 1-2 and the secondary outer support plate 1-3 along the vertical direction, the number of the sliding blocks 6 and the sliding grooves 8 is matched with that of the piston cylinders 11, and the included angle of projection of the straight lines of the axes of all the piston rods 9 in the horizontal plane is 360/n degrees, wherein n is the number of the piston cylinders 11.
Working principle: when the deicing fluid supply pump is used, the motor 2 is started, the motor 2 is used for driving the wheel disc 4 to rotate, the rotation of the wheel disc 4 is transmitted to the sliding block 6 arranged at the top of the telescopic rod assembly 5, at the moment, the circle center of the sliding block 6 with a cylindrical structure moves circularly relative to the axis of the wheel disc 4, meanwhile, the sliding block 6 is tangent to the inner side of the sliding groove 8 to form sliding connection with the sliding groove 8, the sliding groove 8 is driven to move regularly, the piston rods 9 are arranged at the middle parts of two sides of the sliding groove 8, the piston rods 9 are positioned in the primary square holes 1-4-3 of the primary inner supporting plates 1-4 and the secondary square holes 1-5-3 of the secondary inner supporting plates 1-5, so that the regular movement of the sliding groove 8 is converted into regular linear reciprocating movement, and the corresponding four piston rods 9 are driven to reciprocate, the rotation of the motor 2 is converted into the translation of the piston rod 9, the piston rod 9 and the piston head 10 can be utilized to compress deicing fluid entering the piston cylinder 11 through the fluid inlet pipe and the fluid inlet 11-1, finally the compressed deicing fluid is discharged outwards through the fluid outlet 11-2 and the fluid outlet pipe, the projection of the straight line of the axis of the piston rod 9 on the horizontal plane is 90 degrees phase difference, so that one piston rod 9 at the same level is in a pushing process and the other piston rod is in a return stroke, the fluid suction and fluid discharge sequences can be reasonably distributed, the pumping process is stable, the flow pulsation is reduced, in addition, the slide block 6 is used for restraining the multistage piston rod 9, in four piston rods 9 at different levels, when one piston rod 9 at different levels is in the pushing process, one piston rod 9 is in the return stroke after the pushing process, the other piston rod 9 is firstly in return stroke and then in pushing stroke, so that flow can be overlapped, pulsation is reduced, when three or more than three piston cylinders 11 are arranged on the primary outer support plate 1-2 and the secondary outer support plate 1-3 along the up-down direction, the flow can be further increased by only adding the sliding blocks 6 of corresponding stages and the corresponding number of sliding grooves 8 and adjusting the included angle between the axes of the piston rods 9, the flow pulsation rate is reduced, the telescopic rod assembly 5 is arranged on the top surface of the wheel disc 4 and used for adjusting the crank length, the telescopic rod assembly 5 drives the telescopic rod shaft 5-3 and the sliding blocks 6 connected to the top ends of the telescopic rod shaft through the circle center of the wheel disc 4 by the stepping motor 5-2 arranged on the telescopic rod sleeve 5-1, and the telescopic range is the radius of the wheel disc 4.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a stroke adjustable multistage reciprocating pump based on slider-crank, includes frame (1), motor (2), telescopic link subassembly (5), its characterized in that: the frame (1) comprises a base (1-1), a first-stage outer supporting plate (1-2) is oppositely arranged on two sides of the upper end face of the base (1-1), two second-stage outer supporting plates (1-3) which are oppositely distributed are vertically arranged on a horizontal line connected with the first-stage outer supporting plates (1-2), the two second-stage outer supporting plates (1-3) are also arranged on two sides of the end face of the base (1-1), one-stage inner supporting plates (1-4) are respectively arranged on two similar end faces of the first-stage outer supporting plates (1-2), two second-stage inner supporting plates (1-5) are respectively arranged on similar end faces of the second-stage outer supporting plates (1-3), a cross (1-6) is arranged in a space formed by the first-stage inner supporting plates (1-4) and the second-stage inner supporting plates (1-5), an output shaft of the motor (2) is also arranged on two sides of the end face of the base (1-1), a step wheel disc (4) is arranged on the two end faces of the base (1-1), a cylindrical wheel disc (4) is arranged on the center of the base (1-4), a flange (12) is arranged on the center of the cross disc (1), the two outer side surfaces of the first-stage outer supporting plate (1-2) and the two second-stage outer supporting plate (1-3) are respectively provided with a piston cylinder (11), the piston cylinders (11) arranged at each stage are opposite to each other, the outer end surfaces of the piston cylinders (11) are respectively provided with a liquid inlet (11-1) and a liquid outlet (11-2) which are distributed up and down, each inner cavity of the piston cylinder (11) is provided with a piston head (10), the end surface of the piston head (10) is fixedly provided with a piston rod (9), sliding grooves (8) are fixedly arranged between the two relatively distributed piston rods (9) through a second flange (9-1), the telescopic rod assembly (5) is horizontally arranged on the top surface of the wheel disc (4), the top end of the telescopic rod assembly (5) is provided with a sliding block (6), the top surface of the wheel disc (4) is horizontally provided with a sliding block groove (7), the lower part of the sliding block (6) is provided with a threaded hole (6-1), the sliding block (6) is connected with the first flange (5-3) of the top end of the telescopic rod assembly (5) through the threaded hole (6-1), and the sliding block (6) is arranged on the two cylindrical sliding grooves (8).
2. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: the four-end outer sides of the base (1-1) are provided with first clamping grooves (1-1-1), the four-end outer sides of the base are fixedly arranged in a square shape in a spacing mode with the lower ends of the first-stage outer supporting plates (1-2) and the second-stage outer supporting plates (1-3), the lower ends of the first-stage inner supporting plates (1-4) and the second-stage inner supporting plates (1-5) are fixedly arranged in the four-end inner sides of the base (1-1) in a square shape in a spacing mode, and the four-end inner sides of the base (1-1) are provided with second clamping grooves (1-1-2).
3. The stroke-adjustable multistage reciprocating pump based on crank blocks according to claim 1, wherein: the middle part of the cross (1-6) is provided with a circular hole (1-6-1), and the peripheral outer ends of the cross (1-6) are fixedly arranged on one-stage upper clamping grooves (1-4-1) of two one-stage inner supporting plates (1-4) and two-stage upper clamping grooves (1-5-1) of two-stage inner supporting plates (1-5) through bolts and nuts respectively.
4. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: the motor is characterized in that a motor frame (3) is fixedly arranged in the middle of the top surface of the motor (2), the motor frame (3) is of a cross-shaped structure, a first central hole (3-1) is formed in the middle of the motor frame (3), an output shaft of the motor (2) upwards penetrates through the first central hole (3-1) of the motor frame (3), and the outer ends around the motor frame (3) are fixedly arranged in a first-stage lower clamping groove (1-4-2) of two first-stage inner support plates (1-4) and a second-stage lower clamping groove (1-5-2) of two second-stage inner support plates (1-5) respectively.
5. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: the liquid inlet (11-1) and the liquid outlet (11-2) are respectively used for connecting a liquid inlet pipe and a liquid outlet pipe of external deicing liquid.
6. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: each piston rod (9) is square, four connecting sliding grooves (8) of the piston rods (9) penetrate through primary square holes (1-4-3) on the end faces of two primary inner supporting plates (1-4) and secondary square holes (1-5-3) on the end faces of two secondary inner supporting plates (1-5), and the piston rods (9) are matched with the primary square holes (1-4-3) and the secondary square holes (1-5-3) respectively.
7. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: a second central hole (13-1) is formed in the middle of the end cover (13), and the end cover (13), the cross (1-6) and the flange bearing (12) are axially positioned.
8. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: the telescopic rod assembly (5) is composed of a telescopic rod sleeve (5-1), a stepping motor (5-2) and a telescopic rod shaft (5-3), the stepping motor (5-2) is arranged on the telescopic rod sleeve (5-1), the telescopic rod assembly (5-3) is driven by the stepping motor (5-2) and moves in the telescopic rod sleeve (5-1), the telescopic rod shaft (5-3) penetrates through the circle center of the wheel disc (4), the telescopic range of the telescopic rod assembly (5) is the radius of the wheel disc (4), and the telescopic rod shaft (5-3) and the sliding block groove (7) are on the same horizontal line.
9. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: the diameter of the wheel disc (4) is L, the moving range length of the sliding block (6) is L/2, and the reciprocating motion range of the piston rod (9) is 0-L.
10. The stroke-adjustable multistage reciprocating pump based on a crank block according to claim 1, wherein: three or more piston cylinders (11) are respectively arranged on the end surfaces of the primary outer support plate (1-2) and the secondary outer support plate (1-3) along the vertical direction, and the number of the sliding blocks (6) and the sliding grooves (8) is matched with the number of the piston cylinders (11).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050007466A (en) * | 2004-11-01 | 2005-01-18 | 엘지전자 주식회사 | Multi-stage compressor |
| CN203694916U (en) * | 2013-12-10 | 2014-07-09 | 王大定 | Reciprocation pump-pressure energy recycling all-in-one machine of reverse osmosis seawater desalting system |
| CN105240236A (en) * | 2015-09-11 | 2016-01-13 | 余文凌 | Multi-stage radial plunger booster pump |
| CN107542636A (en) * | 2017-08-30 | 2018-01-05 | 中国民航大学 | Bevel gear crank connecting link pump |
| CN113357116A (en) * | 2021-06-29 | 2021-09-07 | 中国民航大学 | Double-piston type cam pump |
| CN113482878A (en) * | 2021-08-19 | 2021-10-08 | 中国民航大学 | Modular horizontal eccentric wheel reciprocating pump |
| CN114033645A (en) * | 2021-11-05 | 2022-02-11 | 中国民航大学 | Multi-stage reciprocating pump based on composite connecting rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11655805B2 (en) * | 2019-09-13 | 2023-05-23 | Southwest Petroleum University | Ultra-long stroke multi-cylinder reciprocating pump |
-
2022
- 2022-07-18 CN CN202210841391.4A patent/CN115217733B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050007466A (en) * | 2004-11-01 | 2005-01-18 | 엘지전자 주식회사 | Multi-stage compressor |
| CN203694916U (en) * | 2013-12-10 | 2014-07-09 | 王大定 | Reciprocation pump-pressure energy recycling all-in-one machine of reverse osmosis seawater desalting system |
| CN105240236A (en) * | 2015-09-11 | 2016-01-13 | 余文凌 | Multi-stage radial plunger booster pump |
| CN107542636A (en) * | 2017-08-30 | 2018-01-05 | 中国民航大学 | Bevel gear crank connecting link pump |
| CN113357116A (en) * | 2021-06-29 | 2021-09-07 | 中国民航大学 | Double-piston type cam pump |
| CN113482878A (en) * | 2021-08-19 | 2021-10-08 | 中国民航大学 | Modular horizontal eccentric wheel reciprocating pump |
| CN114033645A (en) * | 2021-11-05 | 2022-02-11 | 中国民航大学 | Multi-stage reciprocating pump based on composite connecting rod |
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Application publication date: 20221021 Assignee: Tianjin water transport engineering survey and Design Institute Co.,Ltd. Assignor: CIVIL AVIATION University OF CHINA Contract record no.: X2024980004278 Denomination of invention: A multi-stage reciprocating pump with adjustable stroke based on crank slider Granted publication date: 20230922 License type: Common License Record date: 20240412 |
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