WO2013108968A1 - 유지 보수가 용이한 어저스터가 내장된 가변용량 사축식 액슬 피스톤 펌프 - Google Patents

유지 보수가 용이한 어저스터가 내장된 가변용량 사축식 액슬 피스톤 펌프 Download PDF

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Publication number
WO2013108968A1
WO2013108968A1 PCT/KR2012/005094 KR2012005094W WO2013108968A1 WO 2013108968 A1 WO2013108968 A1 WO 2013108968A1 KR 2012005094 W KR2012005094 W KR 2012005094W WO 2013108968 A1 WO2013108968 A1 WO 2013108968A1
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WO
WIPO (PCT)
Prior art keywords
adjuster
block
piston pump
retainer
easy
Prior art date
Application number
PCT/KR2012/005094
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
정용채
Original Assignee
(주)디유티코리아
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)디유티코리아 filed Critical (주)디유티코리아
Priority to DE112012005113.0T priority Critical patent/DE112012005113B4/de
Priority to CN201280066571.4A priority patent/CN104040178B/zh
Publication of WO2013108968A1 publication Critical patent/WO2013108968A1/ko

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Classifications

    • 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
    • F04B49/16—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 adjusting the capacity of dead spaces of working chambers
    • 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
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/328—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the axis of the cylinder barrel relative to the swash plate
    • 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
    • F04B1/124—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
    • F04B1/12—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
    • F04B1/20—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 rotary cylinder block
    • F04B1/2014—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
    • F04B1/20—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 rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2042—Valves
    • 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
    • F04B1/20—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 rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2064—Housings
    • 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
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/303—Control of machines or pumps with rotary cylinder blocks by turning the valve plate
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/60—Fluid transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Definitions

  • the present invention relates to a variable displacement bent axis axle piston pump with a built-in easy-to-maintain adjuster, and more particularly, can be easily and easily assembled and disassembled, and the cylinder housing central axis is inclined from the drive shaft.
  • the present invention relates to a variable capacity bent axle piston pump with an easy-to-maintain adjuster that reduces the number of parts by simplifying the structure of the adjuster module for adjusting the angle.
  • Variable capacity bent axis axle piston pumps are pumps for metered discharge of fluids with varying viscosities.
  • Such a variable displacement bent axis axle piston pump is provided with a piston having one end tightly fixed to a retainer integrally formed at the end of the drive shaft, and having the other end inserted into the cylinder housing.
  • the piston is inclined at an angle from the drive shaft by an adjust so that the central axis is inclined to the drive shaft. Accordingly, the piston is reciprocated in the cylinder housing which rotates when the drive shaft rotates, and the fluid is pumped to discharge the outside to the outside.
  • FIG. 1 and 2 One embodiment of such a conventional variable displacement bent axle piston pump is shown in Figures 1 and 2, one embodiment of a conventional variable displacement bent axis axle piston pump 100 'pump as shown in Figures 1 and 2
  • the housing is composed of a main housing 70 'and an end casing 72' that are separated from each other and coupled to each other, and includes a drive shaft 10 'in an inner space formed by the main housing 70' and the end casing 72 '.
  • Various components of the pump are arranged so that the pump is assembled.
  • the cylinder housing in which the piston is inserted is disposed inside the tubular bevel block, and the adjuster module 80' is connected to the bent axis block. It is provided so that the bent axis block is pivoted by the adjuster module 80 'so that the central axis of the cylinder housing is inclined from the drive shaft so that the discharge amount is varied by the change in the stroke distance of the piston.
  • the adjuster module 80 'of the conventional variable displacement bent axle piston pump 100' has a handle 84 having a threaded adjustment port 82 'and an adjustment bar 83' as shown in FIG. '(82') is a linear movement by the control bar (83 ') to rotate by the operation of', such a control unit (82 ') is combined with the bent axis block (60') bent axis block (60 ') Will induce a turn movement.
  • the conventional variable displacement bent axis axle piston pump 100 ' has a large number of parts constituting the adjuster module 80', and the assembly structure of the adjuster module 80 'is complicated to assemble the pump, or There was a problem that it took a considerable time to disassemble the pump for maintenance work.
  • the adjuster 83 'of the adjuster module 80' since a plurality of bearings are assembled to support and adjust the adjuster 83 'of the adjuster module 80', there is a need to repeatedly replace the bearings after a certain period of use. Since a lot of consumables such as bearings that require regular replacement are assembled, there is a problem in that the maintenance and maintenance of the pump have a considerable inconvenience and increased cost.
  • variable displacement bent axis axle piston pump 100 ' is often used for various physical and chemical treatments for fluids having various viscosities, so that the pump is pumped by the fluid introduced into the pump 100'. Since the parts of (100 ') are frequently damaged, it is necessary to simplify the pump structure and minimize the number of parts that can be improved.
  • the present invention improves the problems of the prior art, the pump housing is separated into the main housing, the end casing, the cover is assembled, the adjuster module is installed in the inner space formed by the end casing and the cover coupled to each other, It is an object of the present invention to provide a variable capacity bent axle piston pump with a new easy-to-maintain adjuster which can be assembled and disassembled quickly and easily as the structure of the juster module is simplified.
  • the present invention is the adjuster module is provided with a pivot shaft, the adjustment mechanism, the adjustment table, the spring handle for preventing backlash, the operation tool is screwed with the operating table rotated by the handle is a straight line along the straight guide groove of the cover It is designed to change the stroke length of the piston by adjusting the inclination angle of the cylinder housing center axis and the drive shaft while inducing rotational movement of the bevel shaft block.
  • it has high durability and can reduce manufacturing cost. It is an object of the present invention to provide a variable-capacity axle piston pump with a built-in adjuster that is easy to maintain.
  • the present invention minimizes the use of consumable parts that require periodic replacement, which simplifies maintenance work and reduces the cost. It is an object to provide an axle piston pump.
  • the present invention includes a drive shaft connected to the drive mechanism; A retainer coupled to the front drive shaft and a hook formed on the rear surface thereof; A cylindrical cylinder shape spaced apart from the rear surface of the retainer; A plurality of pistons inserted into the cylinder housing and having a tip portion protruding out of the cylinder housing in contact with a hook of the retainer; A valve plate coupled to the cylinder housing rear surface and having a flow path formed therein; An axle block formed in a tubular shape into which the cylinder housing and the valve plate are inserted and having an internal flow path formed therein; A main housing allowing the drive shaft and the retainer to be disposed therein; An end casing allowing the bent axis block to be pivotally disposed therein, the end casing being coupled to the main housing and having an upper surface open; A cover coupled to the top surface of the end casing; A variable capacity bent axis with easy-to-maintain adjuster comprising an adjuster module
  • the relief block is fixed to the upper surface of the main housing in the variable capacity bent axis axle piston pump with a built-in easy-to-maintain adjuster according to the present invention, the lower end of the relief block is inserted into the main housing and assembled
  • the discharge port which is formed on the upper surface of the bent axis block and communicates with the inner flow path is pivotally connected to the lower end of the relief block, and a linear guide groove is formed on the bottom of the cover, wherein the adjuster module is formed of the bent axis block.
  • a pivot shaft inserted into the upper surface to be assembled; A lower end portion detachably fitted to the pivot shaft, an upper end portion movably fitted into the straight guide groove, and an adjustment hole having a through hole formed in a lateral direction; A control unit which penetrates through the through hole of the control unit and protrudes to both sides of the end casing, and is coupled to the control unit to induce linear movement of the control unit; And a handle coupled to one end of the adjuster, wherein the adjuster moves linearly along the straight guide groove by manipulation of the handle so that the retainer and the piston contact each other while the bent axis block pivots about the discharge port. The angle of inclination is adjusted, and the discharge amount is varied while the drive of the drive shaft and the drive of the piston are adjusted so as to be a quantitative discharge.
  • the control has a threaded through hole, the control has a male screwed portion is screwed with the control.
  • the controller is constrained so as not to swing between the adjuster and the straight guide groove of the cover to move linearly according to the rotation of the handle.
  • Such a variable capacity bent axis axle piston pump with a built-in easy-to-maintain adjuster according to the present invention is further provided with a spring embedded in the other end of the adjuster to prevent the occurrence of backlash, the precision of the handle Allow operation.
  • the adjuster is made of a multi-stage structure formed stepped to be spaced from each other along the longitudinal direction, the other end of the adjuster The stopper is inserted into and provided with a stopper fixed to the other step, so that the adjusting tool moves linearly between the stopper and one step of the adjuster.
  • the pivot axis is made of a block body having a rectangular cross-sectional shape through which a pinhole is formed, and is disposed on an upper surface of the bent axis block.
  • bush With bush; It consists of a turning pin that is inserted into the pin hole formed on the upper surface of the bent axis block penetrating through the pin hole of the pivoting bush, and the adjusting hole forms a fitting groove into which the pivoting bush is fitted; ;
  • the upper end is formed of a 'b' shape by forming a fitting end fitted into the guide groove of the cover.
  • a variable capacity bent axis axle piston pump with an easy-to-maintain adjuster in which an adjuster module having a simple structure is assembled in an end casing inner space separated from a main housing and a cover.
  • the assembly and disassembly of the work is easy and easy to effect, and the disassembly / assembly work is carried out quickly has the effect of significantly shortening the working time.
  • FIG. 1 is an external view of a variable displacement bent axis axle piston pump incorporating a conventional adjuster
  • Figure 2 is a view for showing the adjuster configuration constituting a conventional variable capacity bezel axle piston pump with a built-in adjuster;
  • FIG. 3 is an external view of a variable capacity bent axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • FIG. 4 is an exploded perspective view of a drive shaft, a retainer, a cylinder housing, a piston, and a valve plate constituting a variable capacity bent axis axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • FIG. 5 is a cross-sectional view of a drive shaft, a retainer, a cylinder housing, a piston, and a valve plate constituting a variable capacity bent axis axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • Figure 6 is a vertical cut of the rear end of the variable displacement bent axis axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • FIG. 7 is a horizontal cut-away view of the upper portion of a variable displacement bent axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • FIG. 8 is a view for illustrating a configuration in which an adjuster constituting a variable capacity bent axis axle piston pump having a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • FIG. 9 is a view showing a configuration in which the operating tool forming the adjuster is fitted to the cover according to an embodiment of the present invention.
  • FIG. 3 is an external view of a variable capacity bent axis axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • Figure 4 is an easy-maintainable adjuster according to an embodiment of the present invention
  • 5 is an exploded perspective view of a drive shaft, a retainer, a cylinder housing, a piston, and a valve plate constituting the built-in variable displacement bent axis axle piston pump
  • FIG. 5 is a variable displacement bent axis having an easy-maintain adjuster according to an embodiment of the present invention.
  • FIG. 6 illustrates a variable displacement bent axle piston pump with an easy-to-maintain adjuster according to an embodiment of the present invention. The rear end is cut vertically.
  • variable capacity bent axis axle piston pump 100 having the easy-to-maintain adjuster includes a drive shaft 10, a retainer 20, and a cylinder housing ( 30), piston 40, valve plate 50, bent axis block 60, main housing 70, end casing 72, cover 74, adjuster module 80.
  • the drive shaft 10 is disposed inside the pump 100 and extends outside the front end of the main housing 70.
  • the drive shaft 10 is connected to a drive mechanism such as a drive motor to rotate.
  • Retainer 20 is the drive shaft 10 is coupled to the front of the drive shaft 10 is rotated integrally, a hook (hook) is formed on the rear of such a retainer 20 is the piston 40 hook (hook) It comes in contact with.
  • the cylinder housing 30 is disposed to be spaced apart from the rear surface of the retainer 20.
  • the cylinder housing 30 is formed in a cylindrical shape such that a plurality of unit cylinders 31 are formed.
  • a plurality of pistons 40 are inserted into the unit cylinder 31 to reciprocate in the unit cylinder 31.
  • the piston 40 is inserted into the cylinder housing 30 to be reciprocated, such a piston 40 is in contact with the hook (hook) on the rear of the retainer 20 protruding to the outside of the cylinder housing (30) .
  • the valve plate 50 is coupled to the rear portion of the cylinder housing 30, and a flow path 51 is formed to provide a movement path of the fluid discharged by the pump 100.
  • a valve plate 50 has a disk shape.
  • the axle block 60 is formed in a hollow tubular shape to allow the cylinder housing 30 and the valve plate 50 to be inserted therein. Such a bevel block 60 is connected to the flow path of the valve plate 50. An internal flow passage communicating with each other is formed to provide a movement path of the fluid quantitatively discharged by the pump 100.
  • the main housing 70 forms the tip of the pump housing, and the drive shaft 10 and the retainer 20 are disposed in the main housing 70.
  • the end casing 72 forms the rear end of the pump housing, and the bent axis block 60 is rotatably disposed inside the end casing 72.
  • the end casing 72 is detachably coupled to the main housing 70 so that the upper casing 72 is opened so that components of the disassembled adjuster module 80 can be pulled out. .
  • the cover 74 is detachably coupled to the end casing 72 so that the cover 74 seals the open upper surface of the end casing 72.
  • the cover 74 forms a guide groove 741 in the bottom surface so that the adjuster 82 forming the adjuster module 80 is fitted into the guide groove 741.
  • the adjuster module 80 is connected to the bent axis block 60 and is exposed to the outside of the end casing 72. Such an adjuster module 80 is operated by a user to manipulate the handle to rotate the bent axis block 60. The angle is adjusted.
  • the relief block 90 is fixed to the upper surface of the main housing 70, and the lower end of the relief block 90 is inserted (assembled) into the main housing 70 to form an entrance 61 formed on the upper surface of the bent axis block 60. ) Is combined.
  • FIG. 7 is a view showing a horizontal cut of the variable displacement bent axis axle piston pump with a built-in easy-to-maintain adjuster according to an embodiment of the present invention
  • Figure 8 is easy to maintain according to an embodiment of the present invention
  • FIG. 9 is a view illustrating a configuration in which an adjuster constituting a variable capacity bent axis axle piston pump having a built-in adjuster is fitted
  • FIG. 9 is a configuration in which an operation tool forming an adjuster is fitted to a cover according to an embodiment of the present invention. The figure for showing.
  • the adjuster module 80 includes the pivot shaft 81, the adjusting mechanism 82, the adjusting table 83, the handle 84, and the stopper 85. It is provided with.
  • the pivot shaft 81 is formed to protrude on the upper surface of the bevel shaft block 60, and the pivot shaft 81 includes a pivot bush 811 and a pivot pin 812.
  • the pivot bush 811 is formed of a block body having a rectangular cross-sectional shape through which pinholes are formed, and is disposed on an upper surface of the bent axis block 60.
  • the pivot pin 812 penetrates through the pinhole of the pivot bush 811 and is inserted into a pinhole formed on the upper surface of the bevel block 60.
  • Adjuster 82 is a linear movement in conjunction with the adjuster 82, the lower end of the control unit 82 is separably fitted to the pivot shaft 81, the upper end of the control unit 82 is a straight guide groove And movably fitted to 741.
  • the adjuster 82 forms a through hole 823 in the lateral direction so that the adjuster 83 penetrates the through hole 823 and is connected to the adjuster 82.
  • the through hole 823 of the adjusting mechanism 82 is female threaded.
  • the adjusting device 82 forms a fitting groove 824 into which the pivoting bush 811 is fitted to form a 'c' shape of the lower end 821 and the cover 74.
  • the upper end 822 is formed in a 'b' shape by forming a fitting end fitted to the straight guide groove 741.
  • the adjusting unit 83 protrudes to both sides of the end casing 72 through the through hole 823 of the adjusting unit 82, and the adjusting unit 83 is combined with the adjusting unit 82 to adjust the adjusting unit 82.
  • the linear movement of (82) is induced.
  • the adjuster 83 is screwed with the adjuster 82 has a male screwed portion.
  • the male threaded portion of the control unit 83 is formed longer than the length of the through-hole 823 of the control member (82).
  • the adjuster 83 according to the embodiment of the present invention is formed of a multi-stage structure formed stepped 831a, 831b spaced apart from each other in the longitudinal direction.
  • the adjuster 83 is fixed to the end casing 72 while maintaining a fixed position while the seal cover 86 is coupled to both ends protruding to both sides of the end casing 72.
  • the handle 84 is coupled to one end of the control unit 83 to guide the turning of the control unit 83, and the other end of the control unit 83 is capable of quantitative discharge by fine precision control by eliminating the backlash.
  • the seal cover 86 is coupled via the spring 87, the adjuster 83 is smoothly turning while maintaining the correct position.
  • the handle 84 is coupled to one end of the adjuster 83, and the handle 84 protrudes the handle bar 841 so that the user grasps the handle bar 841 and rotates the handle 84. .
  • the stopper 85 has a hollow cylindrical shape and is inserted into one end of the control unit 83 so as to protrude a predetermined height from the outer circumferential surface of the control unit 83. Such a stopper 85 is formed of the control unit 83. It is locked to one side step 831a.
  • the adjusting device 82 is a linear movement in the limited linear region between the stopper 85 and the other step 831 of the adjusting table (83).
  • the entrance 61 is formed on the upper surface of the bent axis block 60 and communicates with the internal flow path of the bent axis block 60 is rotatably connected to the lower end of the relief block 90 so that the bent axis block 60 is a relief block ( 90)
  • the lower part of the shaft should be pivotable.
  • the adjuster 83 When the adjuster 83 is rotated by the operation of the handle 84 of the variable displacement bent axis axle piston pump 100 with a built-in easy-to-maintain adjuster according to the embodiment of the present invention configured as described above , As the adjusting unit 83 and the adjusting unit 82 are screwed together, the adjusting unit 82 is restrained from being rotated between the adjusting unit 83 and the straight guide groove 741 of the cover 74. The linear guide groove 741 is linearly moved. Since the adjusting device 82 and the pivot shaft 81 are separated from each other and can be spaced apart from each other, there is no interference between the adjusting device 82 and the pivot shaft 81 when the adjusting apparatus 82 is moved.
  • the adjustment mechanism 82 is moved linearly, the bevel axis block 60 of the portion connected to the adjustment port 82 is also moved, thereby the of the bevel axis block 60 is fixed to the lower end of the relief block 90
  • the axis of inclination block 60 pivots about the doorway 61.
  • the cylinder housing 30 inserted into the bevel shaft block 60 is disposed to be inclined with the drive shaft 10, so that the inclination angle of the retainer 20 and the piston 40 in contact with each other is adjusted and the Variable by stroke length change.
  • variable displacement bent axis axle piston pump 100 with an easy-maintainable adjuster separates the cover 74 from the end casing 72 during disassembly, and the end casing 72.
  • the adjuster module 80 can be easily disassembled.
  • the adjuster module 80 is disassembled as described above, the remaining components of the pump 100 can be easily and easily disassembled. Accordingly, the easy-maintaining adjuster according to the embodiment of the present invention is built-in.
  • Variable capacity bent axis axle piston pump 100 can be made quickly and easily the assembly work or disassembly work.
  • variable capacity bent axis axle piston pump with an easy-to-maintain adjuster according to an embodiment of the present invention is illustrated according to the above description and drawings, but this is merely described as an example and the present invention. Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the invention.
  • variable capacity bent axis axle piston pump 100 having the easy-to-maintain adjuster according to the present invention includes a drive shaft 10, a retainer 20, a cylinder housing 30, a piston 40, and a valve plate 50. ), Bent axis block 60, main housing 70, end casing 72, cover 74, adjuster module 80.
  • the drive shaft 10 is disposed inside the pump 100 to extend outside the front end of the main housing 70, and is connected to the drive mechanism to rotate.
  • Retainer 20 is the drive shaft 10 is coupled to the front of the drive shaft 10 is rotated integrally, a hook (hook) is formed on the rear of such a retainer 20 is the piston 40 hook (hook) It comes in contact with.
  • the cylinder housing 30 is disposed to be spaced apart from the rear surface of the retainer 20.
  • the cylinder housing 30 is formed in a cylindrical shape such that a plurality of unit cylinders 31 are formed.
  • a plurality of pistons 40 are inserted into the unit cylinder 31 to reciprocate in the unit cylinder 31.
  • the piston 40 is inserted into the cylinder housing 30 to be reciprocated, such a piston 40 is in contact with the hook (hook) on the rear of the retainer 20 protruding to the outside of the cylinder housing (30) .
  • the valve plate 50 is coupled to the rear portion of the cylinder housing 30, and a flow path 51 is formed to provide a movement path of the fluid discharged by the pump 100.
  • a valve plate 50 has a disk shape.
  • the axle block 60 is formed in a hollow tubular shape to allow the cylinder housing 30 and the valve plate 50 to be inserted therein. Such a bevel block 60 is connected to the flow path of the valve plate 50. An internal flow passage communicating with each other is formed to provide a movement path of the fluid quantitatively discharged by the pump 100.
  • the main housing 70 forms the tip of the pump housing, and the drive shaft 10 and the retainer 20 are disposed in the main housing 70.
  • the end casing 72 forms the rear end of the pump housing, and the bent axis block 60 is rotatably disposed inside the end casing 72.
  • the end casing 72 is detachably coupled to the main housing 70 so that the upper casing 72 is opened so that components of the disassembled adjuster module 80 can be pulled out. .
  • the cover 74 is detachably coupled to the end casing 72 so that the cover 74 seals the open upper surface of the end casing 72.
  • the cover 74 forms a guide groove 741 in the bottom surface so that the adjuster 82 forming the adjuster module 80 is fitted into the guide groove 741.
  • the adjuster module 80 is connected to the bent axis block 60 and is exposed to the outside of the end casing 72. Such an adjuster module 80 is operated by a user to manipulate the handle to rotate the bent axis block 60. The angle is adjusted.
  • the relief block 90 is fixed to the upper surface of the main housing 70, and the lower end of the relief block 90 is inserted (assembled) into the main housing 70 to form an entrance 61 formed on the upper surface of the bent axis block 60. ) Is combined.
  • the present invention reduces the number of parts of the pump, the manufacturing cost is reduced, failure reliability is improved, and durability is increased.
  • the use of consumable parts requiring periodic replacement is minimized, convenience and economical efficiency of maintenance work are promoted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
PCT/KR2012/005094 2012-01-19 2012-06-27 유지 보수가 용이한 어저스터가 내장된 가변용량 사축식 액슬 피스톤 펌프 WO2013108968A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112012005113.0T DE112012005113B4 (de) 2012-01-19 2012-06-27 Wartungsfreundliche verstellbare Schrägachsenkolbenpumpe mit darin montiertem Verstellermodul
CN201280066571.4A CN104040178B (zh) 2012-01-19 2012-06-27 内置有调节器且容易维护的可变容量斜轴式轴向柱塞泵

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20120000514U KR200467725Y1 (ko) 2012-01-19 2012-01-19 유지 보수가 용이한 어저스터가 내장된 가변용량 사축식 액슬 피스톤 펌프
KR20-2012-0000514 2012-01-19

Publications (1)

Publication Number Publication Date
WO2013108968A1 true WO2013108968A1 (ko) 2013-07-25

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Country Status (4)

Country Link
KR (1) KR200467725Y1 (de)
CN (1) CN104040178B (de)
DE (1) DE112012005113B4 (de)
WO (1) WO2013108968A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107000810B (zh) 2014-09-02 2021-07-09 李东远 液压自动变速自行车

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466780A (ja) * 1990-07-09 1992-03-03 Kawasaki Heavy Ind Ltd 斜板式ピストンポンプモータ
JPH10238457A (ja) * 1997-02-21 1998-09-08 Komatsu Ltd 斜軸式アキシャルピストンポンプ・モータ
JP2001107843A (ja) * 1999-10-12 2001-04-17 Aida Eng Ltd 可変ピストンポンプ・モータ
JP2005256747A (ja) * 2004-03-12 2005-09-22 Bosch Rexroth Corp 斜軸式可変容量形ピストンポンプ

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Publication number Priority date Publication date Assignee Title
DE814834C (de) * 1949-06-17 1951-09-27 Askania Werke Ag Axialkolbenmaschine
JPS52112813A (en) * 1976-03-19 1977-09-21 Mitsubishi Heavy Ind Ltd Pressure fluctuation adjuster
JPH06129342A (ja) * 1992-10-12 1994-05-10 Tatsuo Okazaki プランジャーポンプ
US7425120B2 (en) 2005-04-26 2008-09-16 Wanner Engineering, Inc. Diaphragm position control for hydraulically driven pumps
CN201007261Y (zh) * 2007-02-01 2008-01-16 北京华德液压工业集团有限责任公司技术中心 斜轴式轴向柱塞恒压变量泵
DE102007048316B4 (de) * 2007-10-09 2010-05-27 Danfoss A/S Hydraulische Axialkolbenmaschine
CN201568242U (zh) * 2009-11-05 2010-09-01 泉州市麦格士液压技术有限公司 斜轴变量柱塞泵

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466780A (ja) * 1990-07-09 1992-03-03 Kawasaki Heavy Ind Ltd 斜板式ピストンポンプモータ
JPH10238457A (ja) * 1997-02-21 1998-09-08 Komatsu Ltd 斜軸式アキシャルピストンポンプ・モータ
JP2001107843A (ja) * 1999-10-12 2001-04-17 Aida Eng Ltd 可変ピストンポンプ・モータ
JP2005256747A (ja) * 2004-03-12 2005-09-22 Bosch Rexroth Corp 斜軸式可変容量形ピストンポンプ

Also Published As

Publication number Publication date
DE112012005113B4 (de) 2018-02-01
CN104040178A (zh) 2014-09-10
KR200467725Y1 (ko) 2013-07-03
DE112012005113T5 (de) 2014-10-16
CN104040178B (zh) 2015-09-30

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