KR20120045832A - Flow increase device using small hydraulic pump - Google Patents

Flow increase device using small hydraulic pump Download PDF

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Publication number
KR20120045832A
KR20120045832A KR1020100107655A KR20100107655A KR20120045832A KR 20120045832 A KR20120045832 A KR 20120045832A KR 1020100107655 A KR1020100107655 A KR 1020100107655A KR 20100107655 A KR20100107655 A KR 20100107655A KR 20120045832 A KR20120045832 A KR 20120045832A
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KR
South Korea
Prior art keywords
cylinders
hydraulic pump
cylinder
fluid
piston
Prior art date
Application number
KR1020100107655A
Other languages
Korean (ko)
Inventor
이준형
Original Assignee
이준형
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 이준형 filed Critical 이준형
Priority to KR1020100107655A priority Critical patent/KR20120045832A/en
Publication of KR20120045832A publication Critical patent/KR20120045832A/en

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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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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
    • F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
    • F04B3/003—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage with two or more pistons reciprocating one within another, e.g. one piston forning cylinder of the other
    • 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
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • 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
    • F04B53/10—Valves; Arrangement of 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
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • 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
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • 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
    • F05B2260/60—Fluid transfer

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The present invention relates to a flow rate increasing device using a hydraulic pump to obtain a large amount of flow rate using a small hydraulic pump, and simultaneously driving a plurality of pistons installed in multiple stages using the hydraulic pressure generated from the small hydraulic pump. As a result, a large amount of flow can be obtained at once.
To this end, rods 22a and 22b are provided at both ends of the first piston 21 reciprocating as the fluid pressure generated by the driving of the small hydraulic pump 10 is applied to the inside of the first cylinder 20. In addition, the rods 22a and 22b pass through the inside of the second and third cylinders 23 and 24 symmetrically located at both sides of the first cylinder 20, and the inside of the second and third cylinders. The second and third pistons 25 and 26 are fixed to the rods 22a and 22b positioned at the first and second pistons 25 and 26, respectively. As the hydraulic fluid reciprocates, the first fluid 27 compressed in the second and third cylinders 23 and 24 is simultaneously discharged.

Description

Flow increasing device using small hydraulic pump {omitted}

The present invention relates to a flow increase device using a hydraulic pump to obtain a large amount of flow rate using a small hydraulic pump, more specifically a plurality of pistons installed in multiple stages using the hydraulic pressure generated from the small hydraulic pump The present invention relates to a flow rate increasing device using a small hydraulic pump that can simultaneously obtain a large amount of flow rate by driving.

In general, the hydraulic pump is a device for converting mechanical energy supplied from the outside into the pressure energy of the hydraulic system hydraulic fluid, which is connected coaxially with the gear-type, rotating shaft to pressurize the fluid by using a gap between a pair of rotating gears The vane type, which compresses the fluid using vanes, reduces the volume of a plurality of cylinders installed vertically or parallelly according to the rotational direction of the rotation axis, and the scroll type that compresses the fluid. And a reciprocating type to pressurize the fluid inside with a piston.

Various industrial sites, construction sites, etc. are used a lot of industrial equipment, such as a hydraulic gas compressor that requires hydraulic pressure, or a compressor of a heating and cooling heat pump, such industrial equipment is operated by the hydraulic pressure generated by the operation of the hydraulic pump.

The various hydraulic pumps operate the industrial equipment by compressing the fluid to a predetermined pressure as the gears, vanes and scrolls rotate or the pistons reciprocate.

However, in order to obtain a large amount of flow rate using such a conventional hydraulic pump, since a large capacity hydraulic pump must be used, there is a problem in that the cost burden is increased due to the purchase of the hydraulic pump.

The present invention has been made to solve such a conventional problem, it is possible to obtain a large amount of flow rate at the same time by using the pressure of the fluid obtained by using a small hydraulic pump without using a large-capacity hydraulic pump its purpose There is this.

Still another object of the present invention is to install a flow increasing device in multiple stages and at the same time to obtain a larger amount of flow using a small hydraulic pump to operate the industrial equipment.

According to an aspect of the present invention for achieving the above object, the rod is provided at both ends of the first piston reciprocating as the fluid pressure generated by the drive of the small hydraulic pump is applied to the interior of the first cylinder Passes through the interior of the second and third cylinders symmetrically located on both sides of the first cylinder, and fixes the second and third pistons to the rods located inside the second and third cylinders, respectively. As the first piston reciprocates by the hydraulic pressure generated in the small hydraulic pump, the first fluid compressed in the second and third cylinders is discharged at the same time, a flow increase apparatus using the small hydraulic pump is provided.

According to another aspect of the present invention, the inlet and outlet sides of the second and third cylinders are connected to the inlet and outlet sides of the fourth cylinder by the first and second connecting pipes, respectively, 4 rods are provided at both ends of the piston, and the rods penetrate the insides of the fifth, sixth and seventh cylinders symmetrically positioned at both sides of the fourth cylinder, and are located inside the fifth, sixth and seventh cylinders. The fifth, sixth, and seventh pistons are fixed to the rods, so that the fourth piston in the fourth cylinder is reciprocated by the pressure of the first fluid compressed in the second and third cylinders. Provided is a flow rate increasing device using a small hydraulic pump, characterized in that the compressed second fluid is discharged at the same time.

The present invention has the following advantages over the conventional hydraulic pump.

First, in the process of reciprocating one first piston by the hydraulic pressure generated by the small hydraulic pump, the first fluid in the second and third cylinders is simultaneously moved while simultaneously reciprocating the second and third pistons connected to the rods of the first piston. Since it is compressed and discharged, a large flow rate can be obtained at the same time.

Second, if necessary, the fourth piston installed in the fourth cylinder is reciprocated by using the hydraulic pressure compressed in the second and third cylinders, and at the same time, the reciprocating movement in the fifth, six, and seven cylinders is provided at both ends of the fourth piston. The fifth, sixth, and seventh pistons can be fixed to obtain a greater amount of fluid at the same time.

Third, it is possible to appropriately adjust the pressure of the fluid by changing the internal diameter of the first, second, third and fourth, fifth, sixth, seventh cylinders can be applied to a variety of industrial equipment.

1 is a longitudinal sectional view showing a configuration of the present invention

Hereinafter, described in more detail with reference to Figure 1 showing the present invention as an embodiment.

1 is a longitudinal cross-sectional view showing the configuration of the present invention, the present invention is the fluid pressure generated by the drive of the small hydraulic pump 10 is the switching of the solenoid valve 11 through the flow path 12 the first cylinder 20 The rods 22a and 22b are fixed to both ends of the first piston 21 which reciprocate from side to side as acting on the second and third cylinders symmetrically positioned at both sides of the first cylinder 20 ( 23 and 24, the second and third pistons 25 and 26 are fixed to the rods 22a and 22b, respectively, so that the first piston 21 in the first cylinder 20 is small. The first fluid 27 compressed in the second and third cylinders 23 and 24 is simultaneously discharged as the reciprocating motion is generated by the hydraulic pressure generated by the hydraulic pump 10.

The present invention is provided with the second and third cylinders 23 and 24 in-line symmetrically on both sides of the first cylinder 20 and at both ends of the first piston 21 to provide a second The fluid generated by the small hydraulic pump 10 is fixed to the rods 22a and 22b positioned inside the three cylinders 23 and 24 even when the second and third pistons 25 and 26 are fixedly installed. Although it is possible to generate a larger amount of flow rate by the pressure of, it is possible to generate a larger amount of flow rate by installing a plurality of flow rate increasing devices having the same structure and connecting them to the first and second connecting pipes 28 and 29. Has the advantage.

In order to achieve this, in one embodiment of the present invention, the inlet and outlet sides of the second and third cylinders 23 and 24 and the inlet and outlet sides of the fourth cylinder 30 are respectively the first and second connection pipes 29 ( Rods 32a and 32b are provided at both ends of the fourth piston 31 connected to each other 30 and installed in the fourth cylinder 30 so as to reciprocate. The rods 32a and 32b are provided. Is installed to penetrate the interior of the fifth, sixth, seventh cylinders 33, 34, 35 symmetrically located on both sides of the fourth cylinder 31, and the fifth, sixth, seventh cylinders 33 ( The fifth, sixth and seventh pistons 36, 37 and 38 are respectively fixed to the rods 32a and 32b which are positioned inside the 34 and 35, respectively. As the 31 is reciprocated by the pressure of the first fluid 27 compressed in the second and third cylinders 23 and 24, the fifth, six and seven pistons 36, 37 and 38 are The second fluid 39 is compressed in the fifth, sixth and ninth cylinders 33, 34, 35 and discharged simultaneously.

Third and fourth connecting pipes 41 and 42 are connected to the inlet and outlet sides of the fifth, sixth and seventh cylinders 33, 34 and 35, and the third and fourth connecting pipes 41 and 42 are connected to each other. At the end of the), an industrial device 43 such as a hydraulic gas compressor or a compressor of a heating heat pump is installed.

In the exemplary embodiment of the present invention having the above-described structure, two second and third cylinders 23 and 24 are symmetrically displayed on both sides of the first cylinder 20, and symmetrically on both sides of the fourth cylinder 30. Although the fifth, sixth and seventh cylinders 33, 34 and 35 are shown, further cylinders are symmetrically disposed on both sides of the first and fourth cylinders 20 and 30 for the purpose of increasing the flow rate as necessary. It can be understood that it can be provided.

At this time, if the inner diameter of the first, second, third cylinders 20, 23, 24 is equal to the inner diameter of the fourth, fifth, sixth, seventh cylinders 30, 33, 34, 35, While only the flow rate is increased while maintaining the pressure of the first fluid 27 and the pressure of the second fluid 39, the pressure of the second fluid 39 is less than or greater than the pressure of the first fluid 27. If desired, the inner diameter of the first, second, third cylinders 20, 23, 24 is greater than the inner diameter of the fourth, fifth, sixth, seventh cylinders 30, 33, 34, 35, It has the advantage that can be realized by simple structural change to make it small.

Hereinafter, the operation of the present invention will be described.

First, as shown in FIG. 1, when the small hydraulic pump 10 is driven by application of power in a state where the first piston 21 is located on the right side of the drawing and the fourth piston 31 is located on the left side, the fluid tank The fluid in (13) is compressed to a predetermined pressure, at which time the solenoid valve 11 switches the flow path and passes the compressed fluid through the flow path 12 located on the right side of the drawing to the inside of the first cylinder 20. Will be supplied.

As a result, the first piston 21 positioned on the right side of the first cylinder 20 moves to the left side in the drawing due to the pressure of the fluid. The rods 22a fixed to both sides of the first piston 21 are moved. 22b is installed to penetrate the inside of the second and third cylinders 23 and 24 located on both sides of the first cylinder 20, and is located in the second and third cylinders 23 and 24. The second and third pistons 25 and 26 are fixed on the rods, respectively, and the second and third pistons 25 and 26 fixed to the rods 22a and 22b as the first piston 21 moves to the left. ) Also moves together and compresses the first fluid 27 in the second and third cylinders 23 and 24 simultaneously.

As the first piston 21 moves to the left side, the fluid located on the left side of the first cylinder 20 is drained into the fluid tank 13 along the flow passage 14.

In the operation as described above, the primary fluid 27 in the second and third cylinders 23 and 24 is gradually compressed in the state of the fourth cylinder 30 through the first connecting pipe 28. The fourth piston 31 which is introduced to the left side and positioned on the left side of the fourth cylinder 30 is pushed to the right side in the drawing.

When the fourth piston 31 positioned on the left side of the fourth cylinder 30 moves to the right by the pressure of the first fluid 27, rods 32a fixed to both sides of the fourth piston 31 are provided. 32b is installed to penetrate the interior of the fifth, sixth and seventh cylinders 33 and 34 and 35 located on both sides of the fourth cylinder 30, and the fifth, sixth and seventh cylinders 33 The fifth, sixth and seventh pistons 36, 37 and 38 are respectively fixed on the rods positioned at (34) and (35) so that the rods 32a and 32b are moved as the fourth piston 31 moves to the right. 5, 6, 7 piston (36) (37) (38) fixed to the second fluid (39) in the interior of the fifth, six, seven cylinder (33) (34, 35) Since the compression is simultaneously performed, a large amount of the second fluid 39 compressed in the fifth, sixth and seventh cylinders 33, 34 and 35 is discharged.

As the fourth piston 31 moves to the right side, the first fluid 27 positioned on the right side of the fourth cylinder 30 passes through the second and third cylinders 23 through the second connecting pipe 29. 24) to the right.

In the above-described operation, the second fluid 39 inside the fifth, sixth and seventh cylinders 33, 34 and 35 is compressed, and the industrial equipment 43 through the third connecting pipe 41 at once. Since the industrial device 43 is supplied to drive the check valve 44 located on the third connection pipe 41, the second fluid 39 has a structure in which the second fluid 39 can move only in the direction of the arrow. The second fluid 39 does not flow back to the left side of the fifth, sixth and seventh cylinders 33, 34 and 35 and moves only to the industrial equipment 43 side.

On the other hand, the second fluid 39 driving the industrial equipment 43 is filled to the left of the fifth, sixth, seventh cylinders 33, 34, 35 through the fourth connecting pipe (42).

As described above, the fourth piston 31 is moved to the right by using the flow rate of the first fluid 27 generated as the first piston 21 moves to the left by driving the small hydraulic pump 10. The fifth, sixth, and seventh pistons 36, 37, and 38 describe a process of generating a large amount of flow rate. This operation is performed when the first and fourth pistons 21 and 31 reciprocate from side to side. Accordingly.

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiments are for the purpose of description and not of limitation.

In addition, it will be understood by those skilled in the art that various changes can be made within the scope of the technical idea of the present invention.

10 small hydraulic pump 11 solenoid valve
12, 14: Euro 20: first cylinder
21: first piston 22a, 22b, 32a, 32b: rod
23: second cylinder 24: third cylinder
25: second piston 26: third piston
27: first fluid 28: first connector
29: second connector 30: fourth cylinder
31: fourth piston 33: fifth cylinder
34: 6th Cylinder 35: 7th Cylinder
36: fifth piston 37: sixth piston
38: seventh piston 39: second fluid
41: third connector 42: fourth connector
43: industrial equipment 44: check valve

Claims (4)

The rods 22a and 22b are provided at both ends of the first piston 21 reciprocating as the fluid pressure generated by the driving of the small hydraulic pump 10 is applied to the inside of the first cylinder 20. The rods 22a and 22b penetrate the insides of the second and third cylinders 23 and 24 symmetrically located on both sides of the first cylinder 20 and are located inside the second and third cylinders. The second and third pistons 25 and 26 are fixed to the rods 22a and 22b, respectively, so that the first piston 21 in the first cylinder 20 is driven by the hydraulic pressure generated by the small hydraulic pump 10. As the reciprocating movement, the first fluid (27) compressed in the second and third cylinders (23, 24) is discharged at the same time, characterized in that the flow rate increasing device using a small hydraulic pump. The method according to claim 1,
The inlet and outlet sides of the second and third cylinders 23 and 24 are connected to the inlet and outlet sides of the fourth cylinder 30 by first and second connecting pipes 28 and 29, respectively, and the fourth cylinder 30 Rods 32a and 32b are provided at both ends of the fourth piston 31 reciprocally provided inside the rod, and the rods 32a and 32b are symmetrically to both sides of the fourth cylinder 30. A rod 32a penetrating the interior of the fifth, sixth and seventh cylinders 33 and 34 and 35 positioned therein and positioned in the fifth, sixth and seventh cylinders 33 and 34 and 35. The fifth, sixth and seventh pistons 36 and 37 and 38 are respectively fixed to the 32b so that the fourth piston 31 in the fourth cylinder 30 is connected to the second and third cylinders 23 and 24. The second fluid 39 compressed in the fifth, sixth, seventh cylinders 33, 34, 35 is discharged at the same time as the reciprocating movement by the pressure of the first fluid 27 compressed in the Flow increase device using a small hydraulic pump. The method according to claim 2,
The inner diameter of the first, second, third cylinders 20, 23, 24 is the same as the inner diameter of the fourth, fifth, sixth, seventh cylinders 30, 33, 34, 35 Flow increase device using hydraulic pump. The method according to claim 2,
The inner diameters of the first, second and third cylinders 20, 23 and 24 are larger or smaller than the inner diameters of the fourth, fifth, sixth and seventh cylinders 30, 33, 34 and 35. Flow increase device using a small hydraulic pump.
KR1020100107655A 2010-11-01 2010-11-01 Flow increase device using small hydraulic pump KR20120045832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100107655A KR20120045832A (en) 2010-11-01 2010-11-01 Flow increase device using small hydraulic pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100107655A KR20120045832A (en) 2010-11-01 2010-11-01 Flow increase device using small hydraulic pump

Publications (1)

Publication Number Publication Date
KR20120045832A true KR20120045832A (en) 2012-05-09

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KR1020100107655A KR20120045832A (en) 2010-11-01 2010-11-01 Flow increase device using small hydraulic pump

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210074361A (en) * 2018-10-15 2021-06-21 후안유 후앙푸 Inertial energy storage method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210074361A (en) * 2018-10-15 2021-06-21 후안유 후앙푸 Inertial energy storage method

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