CN111997857A - Electronic sensing control swash plate type variable plunger pump - Google Patents
Electronic sensing control swash plate type variable plunger pump Download PDFInfo
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- CN111997857A CN111997857A CN202010890222.0A CN202010890222A CN111997857A CN 111997857 A CN111997857 A CN 111997857A CN 202010890222 A CN202010890222 A CN 202010890222A CN 111997857 A CN111997857 A CN 111997857A
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- Prior art keywords
- pump
- swash plate
- rotor
- pipe
- variable displacement
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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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/16—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
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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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
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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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
- F04B1/145—Housings
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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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/28—Control of machines or pumps with stationary cylinders
- F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
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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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
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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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses an electronic sensing control swash plate type variable plunger pump which comprises a pump shell, a pump pipe and a winding set, wherein the winding set is arranged in the pump shell, a rotor is rotatably arranged in the winding set, rotor shafts are arranged at two ends of the rotor, a sealing cover is hermetically arranged at one end of the pump shell, one end of each rotor shaft extends out of the sealing cover, a swash plate is hinged to one end of each rotor shaft, a push plate is arranged at one side in the pump pipe, one side of the swash plate supports the push plate, mounting grooves are formed in the upper end and the lower end of one side of the push plate, and push rods are hinged and arranged in the two mounting grooves; the invention utilizes the flow sensor to sense the flow of oil passing through the through pipe, so as to analyze the current working condition, and drives the driving motor to rotate according to the actual flow, so as to drive the swash plate to change the inclination, thereby adjusting the swing amplitude of the push plate, facilitating the adjustment of the flow in the pump, and realizing the automation of the whole process and high sensitivity.
Description
Technical Field
The invention relates to the technical field of plunger pumps, in particular to an electronic sensing control swash plate type variable plunger pump.
Background
The plunger pump is an important device of a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of reciprocating motion of a plunger in a cylinder body, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions where high pressure, large flow and flow need to be regulated, such as hydraulic machines, engineering machinery and ships;
the invention provides an electronic sensing control inclined disc type variable plunger pump, which is mainly of a constant power control structure, is low in control sensitivity, cannot adjust the flow of the pump according to the use working condition, and is easy to deposit heat in a pump body to cause high-temperature damage to internal components.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an electronic sensing control swash plate type variable displacement plunger pump, which utilizes a flow sensor to sense the flow of oil passing through a through pipe, so as to analyze the current working condition, and drives a driving motor to rotate according to the actual flow, so as to drive a swash plate to change the inclination, so as to adjust the swing amplitude of a push plate, thereby facilitating the adjustment of the flow in the pump, and the whole process is performed automatically and has high sensitivity.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: an electronic sensing control swash plate type variable plunger pump comprises a pump shell, a pump tube and a winding set, wherein the winding set is arranged in the pump shell, a rotor is rotatably arranged in the winding set, rotor shafts are arranged at two ends of the rotor, a sealing cover is hermetically arranged at one end of the pump shell, one end of each rotor shaft extends out of the sealing cover, a swash plate is hinged to one end of each rotor shaft, a push plate is arranged at one side of the interior of the pump tube, one side of the swash plate supports the push plate, mounting grooves are formed in the upper end and the lower end of one side of the push plate, push rods are hinged in the two mounting grooves, pistons are arranged at one ends of the two push rods, plunger grooves are formed in the upper end and the lower end of the interior of the pump tube, one ends of the two push rods extend into the two plunger grooves respectively, and the calibers of the pistons are matched with the calibers of the, the intermediate position department of pump line one end is equipped with the siphunculus, and siphunculus and two sets of plunger groove intercommunication, the inside one side of siphunculus is equipped with flow sensor.
The further improvement lies in that: and a driving motor is arranged at the hinged position of one end of the rotor shaft and the swash plate, and the driving motor drives the swash plate to rotate to adjust the inclination angle.
The further improvement lies in that: the induction end of the flow sensor extends into the through pipe, the pump shell is provided with a single chip microcomputer, the signal output end of the flow sensor is electrically connected with the single chip microcomputer through a lead, and the control end of the single chip microcomputer is electrically connected with the driving motor through a lead.
The further improvement lies in that: the lateral walls of the two groups of push rods are provided with top plates, the upper end and the lower end inside the pump pipe are provided with springs, and the two groups of top plates are respectively connected with the two groups of springs.
The further improvement lies in that: the pump comprises a pump shell, a rear cover, sealing rings and a rotor, wherein the rear cover is arranged at one end of the pump shell, the rotor shafts at the two ends of the rotor are respectively provided with the sealing ring, the rotor shaft at the rear end of the rotor penetrates through the rear cover, the sealing ring at one end is sealed with the sealing cover, and the sealing ring at the other end is sealed with the rear cover.
The further improvement lies in that: the outer side cover of back lid is equipped with the cooling lid, and is equipped with the louvre on the cooling lid, be equipped with the fan blade between back lid and the cooling lid, the rear end rotor shaft and the fan blade of rotor are connected.
The further improvement lies in that: the outer side of the pump shell is provided with a plurality of groups of radiating fins at equal intervals.
The further improvement lies in that: the improved water supply valve is characterized in that a flow limiting pipe is arranged on the through pipe, a control pipe is arranged on the flow limiting pipe, a sliding groove is arranged below the inside of the flow limiting pipe and communicated with the through pipe, a valve core is movably arranged in the sliding groove, and a nut pipe is arranged at the upper end of the valve core.
The further improvement lies in that: the upper end of control tube is equipped with servo motor, and servo motor's output is equipped with and extends to the inside threaded rod of control tube, the threaded rod extends to the inside and screw thread adaptation of nut pipe, the inside of current-limiting pipe is equipped with sealed glue, and sealed glue parcel nut pipe.
The invention has the beneficial effects that: the invention drives the rotor to rotate by electrifying the winding group, thereby driving the swash plate to obliquely rotate and push the push plate to swing so as to enable the piston to move in the plunger slot to suck oil, in the process, the flow sensor is used for sensing the flow of the oil passing through the through pipe, thereby analyzing the current working condition, the driving motor is driven to rotate according to the actual flow, thereby driving the swash plate to change the inclination, so as to adjust the swing amplitude of the push plate, thereby facilitating the adjustment of the flow in the pump, the whole process is automatically carried out, the sensitivity is high, and the rotor shaft synchronously drives the fan blades to rotate at the rear end while the swash plate is driven to rotate by the rotation of the rotor, the heat in the device is discharged through the heat dissipation holes on the heat dissipation cover, the effect of the heat dissipation fins is matched, the heat dissipation is convenient to the inside of the device, the original is prevented from being damaged by high, thereby promote the valve core adjustment and extend to the distance in the siphunculus, be convenient for adjust the inside bore of siphunculus to the velocity of flow of adjustment oil process, the function is diversified.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the pump casing and pump tube of the present invention open;
FIG. 3 is a schematic illustration of the present invention in broken away form;
FIG. 4 is a schematic view of the internal structure of the pump tube of the present invention;
FIG. 5 is a schematic view of the push plate, push rod and piston of the present invention;
fig. 6 is a schematic view of a rotor of the present invention.
Wherein: 1. a pump housing; 2. a pump tube; 3. winding; 4. a rotor; 5. a sealing cover; 6. a swash plate; 7. pushing the disc; 8. a push rod; 9. a piston; 10. a plunger groove; 11. pipe passing; 12. a flow sensor; 13. a drive motor; 14. a topsheet; 15. a spring; 16. a rear cover; 17. a seal ring; 18. a heat dissipation cover; 19. a fan blade; 20. heat dissipation fins; 21. a current limiting pipe; 22. a control tube; 23. a chute; 24. a valve core; 25. a nut tube; 26. a servo motor; 27. a threaded rod; 28. and (7) sealing the glue.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, 2, 3, 4, 5, and 6, the present embodiment provides an electronic sensing control swash plate type variable displacement plunger pump, which includes a pump housing 1, a pump tube 2, and a winding set 3, wherein the winding set 3 is disposed inside the pump housing 1, a rotor 4 is rotatably mounted inside the winding set 3, rotor shafts are disposed at two ends of the rotor 4, a sealing cover 5 is hermetically mounted at one end of the pump housing 1, one end of the rotor shaft extends out of the sealing cover 5, a swash plate 6 is hingedly mounted at one end of the rotor shaft, a push plate 7 is disposed at one side inside the pump tube 2, the push plate 7 is supported at one side of the swash plate 6, mounting grooves are disposed at the upper end and the lower end of one side of the push plate 7, push rods 8 are hingedly mounted in the two mounting grooves, pistons 9 are disposed at one ends of the two push rods 8, plunger grooves 10 are disposed at the upper end and the lower end of the inside the pump, two sets of the one end of push rod 8 extends to two sets of respectively inside plunger groove 10, the bore of piston 9 and the inside bore looks adaptation of plunger groove 10, the intermediate position department of 2 one ends of pump line is equipped with siphunculus 11, and siphunculus 11 and two sets of plunger groove 10 intercommunication, the inside one side of siphunculus 11 is equipped with flow sensor 12, and flow sensor 12's model is DN 40. When the pneumatic oil-sucking and oil-pressing device is used, the winding set 3 is powered on to drive the rotor 4 to rotate, the rotor shaft at one end of the rotor 4 drives the swash plate 6 to rotate obliquely to push the push disc 7 to swing, the push disc 7 pushes the push rod 8, so that the two groups of pistons 9 respectively move left and right in the two groups of plunger grooves 10 to form air pressure, and the through pipe 11 is used for sucking oil and pressing oil.
A driving motor 13 is arranged at the hinged position of one end of the rotor shaft and the swash plate 6, the model of the driving motor 13 is PDH160312, and the driving motor 13 drives the swash plate 6 to rotate to adjust the inclination angle.
The induction end of the flow sensor 12 extends into the through pipe 11, the pump shell 1 is provided with a single chip microcomputer, the signal output end of the flow sensor 12 is electrically connected with the single chip microcomputer through a lead, and the control end of the single chip microcomputer is electrically connected with the driving motor 13 through a lead. During the operation process of the through pipe 11 for absorbing oil and pressing oil, the flow sensor 12 senses the flow of the oil passing through the through pipe 11, the single chip microcomputer analyzes the current working condition, the driving motor 13 is started to rotate according to the actual flow, the swash plate 6 is driven to change the inclination, the swing amplitude of the push plate 7 is adjusted, and the flow of the oil and pressing oil absorbed each time in the pump is adjusted.
A rear cover 16 is arranged at one end of the pump shell 1, sealing rings 17 are arranged on rotor shafts at two ends of the rotor 4, the rotor shaft at the rear end of the rotor 4 penetrates through the rear cover 16, the sealing ring 17 at one end is sealed with the sealing cover 5, and the sealing ring 17 at the other end is sealed with the rear cover 16.
The outer side of the rear cover 16 is sleeved with a heat dissipation cover 18, heat dissipation holes are formed in the heat dissipation cover 18, fan blades 19 are arranged between the rear cover 16 and the heat dissipation cover 18, and a rotor shaft at the rear end of the rotor 4 is connected with the fan blades 19.
The outer side of the pump shell 1 is provided with a plurality of groups of radiating fins 20, and the radiating fins 20 are arranged at equal intervals. When the rotor 4 rotates to drive the swash plate 6 to rotate, the rotor shaft synchronously drives the fan blades 19 to rotate at the rear end, heat inside the device is discharged through the heat dissipation holes in the heat dissipation cover 18, and the heat inside the device is dissipated under the action of the heat dissipation fins 20.
The flow-limiting pipe 21 is arranged on the through pipe 11, the control pipe 22 is arranged on the flow-limiting pipe 21, a sliding groove 23 is arranged below the inside of the flow-limiting pipe 21, the sliding groove 23 is communicated with the through pipe 11, a valve core 24 is movably arranged in the sliding groove 23, and a nut pipe 25 is arranged at the upper end of the valve core 24.
The upper end of control tube 22 is equipped with servo motor 26, and servo motor 26's model is ZYT46S-10, and servo motor 26's output is equipped with the threaded rod 27 that extends to the inside of control tube 22, threaded rod 27 extends to inside and the screw adaptation of nut pipe 25, the inside of flow limiting pipe 21 is equipped with sealed glue 28, and sealed glue 28 parcel nut pipe 25. The servo motor 26 is started to drive the threaded rod 27 to rotate, the nut pipe 25 is driven to move up and down through the thread effect, and therefore the valve core 24 is pushed to adjust the distance extending into the through pipe 11, the caliber inside the through pipe 11 is adjusted, and the flow rate of oil passing through is limited.
The electronic sensing control swash plate type variable displacement plunger pump drives the rotor 4 to rotate by electrifying the winding group 3, thereby driving the swash plate 6 to obliquely rotate to push the push plate 7 to swing so that the piston 9 moves in the plunger groove 10 to absorb and press oil, in the process, the flow sensor 12 is used for sensing the flow of the oil passing through the through pipe 11, thereby analyzing the current working condition, the driving motor 13 is driven to rotate according to the actual flow, thereby driving the swash plate 6 to change the inclination, so as to adjust the swing amplitude of the push plate 7, thereby facilitating the adjustment of the flow in the pump, the whole process is automatically carried out, the sensitivity is high, when the rotor 4 rotates to drive the swash plate 6 to rotate, the rotor shaft synchronously drives the fan blades 19 to rotate at the rear end, the heat in the device is discharged through the heat dissipation holes on the heat dissipation cover 18, the effect of the heat dissipation fins 20 is matched, the heat dissipation in the device, meanwhile, the servo motor 26 is utilized to drive the threaded rod 27 to rotate, the nut pipe 25 can be driven to move up and down, the distance between the valve core 24 and the inside of the through pipe 11 is pushed, the inside caliber of the through pipe 11 is convenient to adjust, the flow rate of oil passing is adjusted, and the functions are diversified.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an electronic sensing control swash plate formula variable displacement plunger pump, includes pump case (1), pump line (2) and winding group (3), its characterized in that: the improved pump is characterized in that a winding set (3) is arranged inside the pump case (1), a rotor (4) is rotatably arranged inside the winding set (3), rotor shafts are arranged at two ends of the rotor (4), a sealing cover (5) is hermetically arranged at one end of the pump case (1), one end of each rotor shaft extends out of the sealing cover (5), a swash plate (6) is hinged to one end of each rotor shaft, a push plate (7) is arranged at one side inside the pump pipe (2), one side of the swash plate (6) supports the push plate (7), mounting grooves are formed in the upper end and the lower end of one side of the push plate (7), push rods (8) are hinged to the two mounting grooves, pistons (9) are arranged at one end of each push rod (8), plunger grooves (10) are formed in the upper end and the lower end of the inside of the pump pipe (2), and one ends of the two push rods (8) extend into the two plunger grooves (10) respectively, the bore of piston (9) and the inside bore looks adaptation of plunger groove (10), the intermediate position department of pump line (2) one end is equipped with siphunculus (11), and siphunculus (11) and two sets of plunger groove (10) intercommunication, the inside one side of siphunculus (11) is equipped with flow sensor (12).
2. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 1, wherein: and a driving motor (13) is arranged at the hinged position of one end of the rotor shaft and the swash plate (6), and the driving motor (13) drives the swash plate (6) to rotate to adjust the inclination angle.
3. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 2, wherein: the induction end of the flow sensor (12) extends into the through pipe (11), the pump shell (1) is provided with a single chip microcomputer, the signal output end of the flow sensor (12) is electrically connected with the single chip microcomputer through a lead, and the control end of the single chip microcomputer is electrically connected with the driving motor (13) through a lead.
4. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 1, wherein: the side walls of the two groups of push rods (8) are provided with top plates (14), the upper end and the lower end inside the pump pipe (2) are provided with springs (15), and the two groups of top plates (14) are respectively connected with the two groups of springs (15).
5. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 1, wherein: one end of the pump shell (1) is provided with a rear cover (16), rotor shafts at two ends of the rotor (4) are respectively provided with a sealing ring (17), the rotor shaft at the rear end of the rotor (4) penetrates through the rear cover (16), the sealing ring (17) at one end is sealed with the sealing cover (5), and the sealing ring (17) at the other end is sealed with the rear cover (16).
6. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 5, wherein: the outer side cover of back lid (16) is equipped with heat dissipation lid (18), and is equipped with the louvre on heat dissipation lid (18), be equipped with fan blade (19) between back lid (16) and heat dissipation lid (18), the rear end rotor shaft and the fan blade (19) of rotor (4) are connected.
7. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 1, wherein: the outer side of the pump shell (1) is provided with a plurality of groups of radiating fins (20), and the radiating fins (20) are arranged at equal intervals.
8. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 1, wherein: be equipped with current-limiting pipe (21) on siphunculus (11), and be equipped with control tube (22) on current-limiting pipe (21), the inside below of current-limiting pipe (21) is equipped with spout (23), and spout (23) and siphunculus (11) intercommunication, movable mounting has case (24) in spout (23), and the upper end of case (24) is equipped with nut pipe (25).
9. An electronically sensed and controlled swash plate variable displacement piston pump as claimed in claim 8, wherein: the upper end of control tube (22) is equipped with servo motor (26), and the output of servo motor (26) is equipped with and extends to inside threaded rod (27) of control tube (22), threaded rod (27) extend to inside and the screw thread adaptation of nut pipe (25), the inside of restricted flow pipe (21) is equipped with sealed glue (28), and sealed glue (28) parcel nut pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890222.0A CN111997857A (en) | 2020-08-29 | 2020-08-29 | Electronic sensing control swash plate type variable plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890222.0A CN111997857A (en) | 2020-08-29 | 2020-08-29 | Electronic sensing control swash plate type variable plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111997857A true CN111997857A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010890222.0A Pending CN111997857A (en) | 2020-08-29 | 2020-08-29 | Electronic sensing control swash plate type variable plunger pump |
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| CN (1) | CN111997857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792087A (en) * | 2023-02-13 | 2023-03-14 | 江苏德励达新材料股份有限公司 | Polyurethane foam oxygen index measuring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226385A (en) * | 1994-10-17 | 1996-09-03 | Caterpillar Inc | Variable capacity axial piston type hydraulic system |
| CN107084107A (en) * | 2017-06-22 | 2017-08-22 | 杭州力龙液压有限公司 | A kind of electronic sensor control plate variable plunger pump, hydraulic planger pump |
| CN107269483A (en) * | 2017-06-18 | 2017-10-20 | 苏州欧圣电气工业有限公司 | A kind of plunger pump and its corresponding cleaning machine |
| CN109441752A (en) * | 2018-09-30 | 2019-03-08 | 江苏金陵智造研究院有限公司 | A kind of hydraulic servo control system servopump |
| CN110657078A (en) * | 2019-10-09 | 2020-01-07 | 太原理工大学 | Swash plate type plunger pump variable mechanism capable of continuously and proportionally adjusting flow |
| CN210859973U (en) * | 2019-09-12 | 2020-06-26 | 浙江商业职业技术学院 | Novel flow valve |
-
2020
- 2020-08-29 CN CN202010890222.0A patent/CN111997857A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226385A (en) * | 1994-10-17 | 1996-09-03 | Caterpillar Inc | Variable capacity axial piston type hydraulic system |
| CN107269483A (en) * | 2017-06-18 | 2017-10-20 | 苏州欧圣电气工业有限公司 | A kind of plunger pump and its corresponding cleaning machine |
| CN107084107A (en) * | 2017-06-22 | 2017-08-22 | 杭州力龙液压有限公司 | A kind of electronic sensor control plate variable plunger pump, hydraulic planger pump |
| CN109441752A (en) * | 2018-09-30 | 2019-03-08 | 江苏金陵智造研究院有限公司 | A kind of hydraulic servo control system servopump |
| CN210859973U (en) * | 2019-09-12 | 2020-06-26 | 浙江商业职业技术学院 | Novel flow valve |
| CN110657078A (en) * | 2019-10-09 | 2020-01-07 | 太原理工大学 | Swash plate type plunger pump variable mechanism capable of continuously and proportionally adjusting flow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792087A (en) * | 2023-02-13 | 2023-03-14 | 江苏德励达新材料股份有限公司 | Polyurethane foam oxygen index measuring device |
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Application publication date: 20201127 |
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