KR20160101256A - Double acting hydraulic cylinder - Google Patents

Double acting hydraulic cylinder Download PDF

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Publication number
KR20160101256A
KR20160101256A KR1020150023096A KR20150023096A KR20160101256A KR 20160101256 A KR20160101256 A KR 20160101256A KR 1020150023096 A KR1020150023096 A KR 1020150023096A KR 20150023096 A KR20150023096 A KR 20150023096A KR 20160101256 A KR20160101256 A KR 20160101256A
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South Korea
Prior art keywords
pressure
cylinder
hydraulic cylinder
piston
acting hydraulic
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KR1020150023096A
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Korean (ko)
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KR101714999B1 (en
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최창림
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최창림
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F15B15/1452—Piston sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B2015/14—

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The present invention relates to a reciprocating hydraulic cylinder, increasing a compressive force of a packing (seal). The reciprocating hydraulic cylinder is manufactured by a technical background comprising: a step of preliminarily blocking pressure inside of a cylinder tube; a step of blocking the pressure from leaked from an inner blocking plate; and a step of continuously blocking the pressure.

Description

복동식 유압실린더{omitted}Double Action Hydraulic Cylinder {omitted}

본 발명은 복동식 유압실린더에 관한 것으로 종래의 유압실린더의 기술을 진보화 하기 위한 목적으로 이루어졌다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double acting type hydraulic cylinder and has been made for the purpose of advancing the technology of a conventional hydraulic cylinder.

복동식 유압실린더는 강한 압력으로 작동이 되는 기술장비이며 그러기 위해서는 정밀한 가공기술과 정교한 제작기술이 필요하다.Double-acting hydraulic cylinders are technical equipment that operate with high pressure, and precise machining and sophisticated manufacturing techniques are required.

복동식 유압실린더는 크게 두가지의 기술을 배경으로 제작되는데 첫째는 실린더헤드 기술분야와 둘째는 피스톤 기술분야로 나눌수 있다.Two-way hydraulic cylinders can be divided into two categories: cylinder head technology and piston technology.

본 발명은 강한 압력에 작동이 되어지는 유압실린더의 기능을 향상시키고자 이루어졌다. 그것은 좀더 완벽한 압력의 차단기술과 피스톤 박킹(씰)의 기능향상을 이루기 위한 목적으로 발명이 이루어졌다.The present invention is intended to improve the function of hydraulic cylinders operated at high pressures. It was invented for the purpose of achieving more perfect pressure cut-off technology and improved function of piston seal (seal).

복동식 유압실린더에 있어서 실린더헤드는 실린더튜브 내부의 압력을 차단하고 유압실린더의 결합과 해체를 용이하게 할 수 있도록 제작이 되어져야 하기 때문에 정밀한 가공기술과 정교한 제작기술이 필요하다.In the double acting type hydraulic cylinder, the cylinder head needs to be manufactured so as to block the pressure inside the cylinder tube and to facilitate the engagement and disassembly of the hydraulic cylinder, so it is necessary to use precise processing technology and precise manufacturing technology.

본 발명은 현재 사용중인 유압실린더 제작기술에서 조금에 변화를 주어 좀더 진보화된 유압실린더의 기능을 가질 수 있도록 하기 위한 목적으로 이루어졌다.The present invention has been made for the purpose of enabling a hydraulic cylinder to have a more advanced function by giving a slight change in the technique of manufacturing a hydraulic cylinder currently in use.

발명된 기술부분에는 두가지로 나뉘어 지는데 한가지는 실린더헤드 부분과 다른 한가지는 피스톤 부분이라 할 수 있다.The invented technique is divided into two parts, one of which is the cylinder head part and the other is the piston part.

도면(1) - 복동식 유압실린더 전체도
도면(2) - 피스톤에 결합이 되는 부품들과 피스톤의 제작 과정을 나타낸 단면도
도면(3) - 실린더헤드 내부에 결합이 되는 부품들과 복동식 유압실린더 제작과정을 나타낸 단면도.
도면(4) - 피스톤의 기술내용을 표현한 단면도Drawing (1) - All double acting hydraulic cylinder
Drawing (2) - Cross-section showing the parts joined to the piston and the manufacturing process of the piston
Drawing (3) - Cross-sectional view showing the parts joined together inside the cylinder head and the manufacturing process of double acting hydraulic cylinder.
Drawing (4) - A cross section representing the description of the piston

본 발명을 첨부된 도면을 참조하여 설명하면 다음과 같다. 먼저 도면(2) - 피스톤에 결합이 되는 부품들과 피스톤이 제작이 되어지는 과정을 나타낸 단면도이며 그 제작과정은 다음과 같다.The present invention will now be described with reference to the accompanying drawings. First of all, FIG. 2 is a cross-sectional view illustrating a process of manufacturing components and pistons to be coupled to the piston.

피스톤로드

Figure pat00001
에 로드결합판
Figure pat00002
를 결합용 일자홈
Figure pat00003
을 이용하여 피스톤로드
Figure pat00004
와 결합하고 외부박킹
Figure pat00005
을 삽입한다.(005) 그리고 외부박킹
Figure pat00006
내부에 젤
Figure pat00007
을 삽입하고 내부박킹
Figure pat00008
을 삽입한다.(006) 그리고 피스톤결합판
Figure pat00009
과 압력막음판
Figure pat00010
을 피스톤로드와 나사 결합하면 피스톤이 제작된다.(007)Piston rod
Figure pat00001
The rod-
Figure pat00002
A joining date groove
Figure pat00003
The piston rod
Figure pat00004
Coupled with external < RTI ID = 0.0 &
Figure pat00005
(005), and the outer sheet
Figure pat00006
Gel inside
Figure pat00007
And insert the inner sheet
Figure pat00008
(006) and the piston coupling plate
Figure pat00009
And the pressure blocking plate
Figure pat00010
Is screwed to the piston rod to make the piston. (007)

제작되어진 피스톤은 도면(4)을 참조하여 설명하면 다음과 같다. 실린더튜브 내부에 유압력이 유입되어서 피스톤의 작동이 많아지면 실린더튜브 내경에 의해 외부박킹

Figure pat00011
표면이 마찰이 되어 마모가 된다.The manufactured piston will be described with reference to the drawing (4) as follows. When oil pressure is introduced into the cylinder tube and the operation of the piston is increased, the outer cylinder
Figure pat00011
The surface becomes friction and wears.

그렇게 되면 외부박킹

Figure pat00012
의 부피가 줄어들게 되어 완벽한 압력 차단을 할 수 없게 된다. 그래서 박킹표면이 마모가 되더라도 외부박킹
Figure pat00013
의 부피를 일정하게 유지시켜 주어 압력 차단의 기능을 지속할 수 있게 제작되어진 기술이다.When that happens,
Figure pat00012
The volume of the valve is reduced, and the pressure can not be completely blocked. Thus, even if the surface of the card is worn,
Figure pat00013
Which keeps the volume constant and maintains the function of pressure interception.

그 기술은 실린더튜브 내부로 유입된 유압유의 압력을 이용하는 것으로 외부박킹

Figure pat00014
의 표면이 마모가 되어 부피가 줄어든 만큼 압력막음판
Figure pat00015
이 유압력
Figure pat00016
에 의해 밀려 들어가게 되고 외부박킹
Figure pat00017
의 부피에 의해 더이상 밀려 들어갈 수 없을때 압력막음판
Figure pat00018
과 피스톤결합판
Figure pat00019
사이에 틈 사이로 유압력
Figure pat00020
이 피스톤 내부로 밀려 들어가게 된다.-(009)The technique utilizes the pressure of the hydraulic fluid introduced into the cylinder tube,
Figure pat00014
The surface of the pressure-blocking plate
Figure pat00015
This oil pressure
Figure pat00016
And the outer sheet of paper
Figure pat00017
The pressure blocking plate < RTI ID = 0.0 >
Figure pat00018
And the piston-
Figure pat00019
Pressure between the openings
Figure pat00020
Is pushed into the piston. - (009)

그렇게 되면 내부박킹

Figure pat00021
은 유압력
Figure pat00022
에 의해 외부박킹
Figure pat00023
내부로 밀려 들어가게 되고 그 압력으로 박킹 내부에 삽입이된 젤
Figure pat00024
은 압착이 되어 밀려나면서 외부박킹
Figure pat00025
과 내부박킹
Figure pat00026
의 틈 사이를 메워주면서 외부박킹
Figure pat00027
에 표면이 마모가 되어진만큼 부피를 채워주게 된다.When that happens,
Figure pat00021
The oil pressure
Figure pat00022
By external
Figure pat00023
The gel which is pushed into the inside and inserted into the inside of the packing by the pressure
Figure pat00024
Is compressed and is pushed out,
Figure pat00025
And internal packing
Figure pat00026
Of the outer surface
Figure pat00027
The surface is filled with the wearer.

실린더튜브 내부에서 발생된 압력으로 피스톤 내부로 유입된 유압력

Figure pat00028
은 실린더튜브 내부에 압력이 소진되더라도 피스톤 외부로 빠져나갈 수 없는데 그것은 실린더튜브 내부에 압력은 강하기 때문에 압력막음판
Figure pat00029
과 피스톤결합판
Figure pat00030
의 틈 사이로 유압유가 밀려 들어갈 수 있었지만 피스톤 내부로 유입된 유압력
Figure pat00031
은 그 내부의 압력이 강하지 않기 때문에 밀려들어온 틈 사이를 다시 빠져나갈 수 없게 된다. 그래서 피스톤 내부로 밀려들어온 유압력
Figure pat00032
에 의해 박킹
Figure pat00033
Figure pat00034
은 지속해서 압력을 받게 되고 외부박킹
Figure pat00035
은 실린더튜브 내경에 그 표면이 압착이 되어 압력을 차단할 수 있게 된다.-(009)The oil pressure introduced into the piston by the pressure generated inside the cylinder tube
Figure pat00028
Even if the pressure inside the cylinder tube is exhausted, it can not escape to the outside of the piston because the pressure inside the cylinder tube is strong,
Figure pat00029
And the piston-
Figure pat00030
Hydraulic oil can be pushed into the gap of the piston, but the oil pressure
Figure pat00031
The inner pressure is not strong, so that it can not escape again between the pushed-in gaps. Therefore, the hydraulic pressure pushed into the piston
Figure pat00032
By
Figure pat00033
Figure pat00034
Will continue to be subjected to pressure and external
Figure pat00035
The surface of the cylinder bore is pressed against the inner diameter of the cylinder bore to block the pressure .-- (009)

다음은 도면(3) - 복동식 유압실린더에 결합이 되는 부품들과 복동식 유압실린더의 제작과정을 나타낸 단면도이며 그 제작과정은 다음과 같다.The following is a sectional view showing the manufacturing process of the parts (2) to be combined with the double acting type hydraulic cylinder and the double acting type hydraulic cylinder, and the manufacturing process thereof is as follows.

먼저 실린더헤드

Figure pat00036
와 실린더튜브
Figure pat00037
를 결합(용접)하고 피스톤을 내부에 삽입한다.-(001)First,
Figure pat00036
And a cylinder tube
Figure pat00037
(Welded) and insert the piston inside. - (001)

그리고 내부막음판

Figure pat00038
을 결합용 일자홈
Figure pat00039
을 이용하여 실린더튜브 끝단부 턱을 이용하여 나사 결합하여서 실린더튜브 내부와 차단하고 이후 고무호스관
Figure pat00040
을 삽입한다.-(002) 그리고 그 내부에 박킹
Figure pat00041
을 삽입하고 오일젤
Figure pat00042
을 삽입한다.-(003) 그리고 박킹을 삽입하고 외부막음판
Figure pat00043
과 실린더 헤드를 결합해서 압착을 하면 복동식 유압실린더가 제작된다.-(004)Then,
Figure pat00038
A joining date groove
Figure pat00039
And then screwed to the inside of the cylinder tube using the jaws of the end portion of the cylinder tube,
Figure pat00040
(002), and inserts the inner
Figure pat00041
And the oil gel
Figure pat00042
(003), and insert the external packing
Figure pat00043
And the cylinder head are joined together to make a double acting hydraulic cylinder. (004)

여기에서 실린더헤드 내부에 젤

Figure pat00044
은 그 외부에 고무호스관
Figure pat00045
과 박킹
Figure pat00046
에 의해 압착이 되어져 미세한 틈을 메워주고 내부막음판
Figure pat00047
에서 빠져나오는 압력을 차단한다.Here, in the cylinder head,
Figure pat00044
A rubber hose pipe
Figure pat00045
And Parking
Figure pat00046
To thereby fill the fine gap, and the inner blocking plate
Figure pat00047
To block the pressure exiting.

Figure pat00048
- 외부막음판
Figure pat00049
- 내부막음판
Figure pat00050
- 오일젤
Figure pat00051
- 박킹(packing)
Figure pat00052
- 고무호스관
Figure pat00053
- 실린더헤드
Figure pat00054
- 실린더튜브
Figure pat00055
- 피스톤로드
Figure pat00056
- 로드결합판
Figure pat00057
- 피스톤결합판
Figure pat00058
- 압력막음판
Figure pat00059
- 내부박킹
Figure pat00060
- 외부박킹
Figure pat00061
- 젤
Figure pat00062
- 일자홈
Figure pat00063
- 유압력
Figure pat00048
- External blocking plate
Figure pat00049
- internal blocking plate
Figure pat00050
- Oil gel
Figure pat00051
- packing
Figure pat00052
- Rubber hose pipe
Figure pat00053
- Cylinder head
Figure pat00054
- cylinder tube
Figure pat00055
- Piston rod
Figure pat00056
- rod coupling plate
Figure pat00057
- piston coupling plate
Figure pat00058
- Pressure blocking plate
Figure pat00059
- Inner packing
Figure pat00060
- Outside Parking
Figure pat00061
- Gel
Figure pat00062
- Date Home
Figure pat00063
- oil pressure

Claims (2)

복동식 유압실린더 기술과정에 있어서 실린더헤드와 실린더 튜브가 결합(용접)이 되어진 상태에서 그 실린더헤드 내부에 실린더튜브 끝단부 턱을 이용하여 내부막음판
Figure pat00064
으로 일자홈을 이용해서 실린더튜브와 나사결합하여 실린더튜브 내부에서 발생되는 압력을 차단할 수 있게 하였던 단계 - 도면(3)
상기 단계 이후 실린더헤드 내부에 고무호스관
Figure pat00066
과 박킹을 삽입하고 그 내부에 오일젤
Figure pat00067
을 삽입하여 외부막음판
Figure pat00068
을 실린더헤드와 결합하고 압착을 하여서 내부막음판
Figure pat00069
에서 빠져나오는 압력을 차단할 수 있게 하였던 단계 - 도면(3)
상기의 단계를 기술배경으로 제작되어진 복동식 유압실린더.When the cylinder head and the cylinder tube are engaged (welded) in the double-action hydraulic cylinder technology process, the inner cylinder block
Figure pat00064
Dates by Home (3), which is capable of blocking the pressure generated in the cylinder tube by screwing the cylinder tube with the cylinder tube,
After the above step, a rubber hose pipe
Figure pat00066
And the inner surface of the oil gel
Figure pat00067
The outer blocking plate
Figure pat00068
Is engaged with the cylinder head and is compressed,
Figure pat00069
(3), which is a step in which the pressure exiting from the pressure-
A double acting hydraulic cylinder manufactured with the above-described steps as a technical background. 복동식 유압실린더 기술과정에 있어서 피스톤로드와 로드결합판
Figure pat00070
이 결합이 되어진 상태에서 외부박킹
Figure pat00071
을 삽입하고 그 내부에 젤
Figure pat00072
을 삽입하고 이후 내부박킹
Figure pat00073
을 삽입하여 압력막음판
Figure pat00074
과 피스톤결합판
Figure pat00075
을 결합하여서 피스톤 내부로 유압력
Figure pat00076
이 유입되게 하여 유압력
Figure pat00077
에 압력으로 박킹
Figure pat00078
Figure pat00079
을 압착하여 압력차단을 할 수 있게 하였던 단계 - 도면(4)
상기의 단계를 기술배경으로 제작되어진 복동식 유압실린더.In the double-acting hydraulic cylinder engineering process, the piston rod and rod-
Figure pat00070
In this combined state,
Figure pat00071
And the inside of the gel
Figure pat00072
And then insert the internal
Figure pat00073
The pressure-
Figure pat00074
And the piston-
Figure pat00075
To the inside of the piston,
Figure pat00076
So that the oil pressure
Figure pat00077
Pressure on the pressure
Figure pat00078
Figure pat00079
So that the pressure can be cut off. (4)
A double acting hydraulic cylinder manufactured with the above-described steps as a technical background.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124803A (en) * 1982-01-20 1983-07-25 マンネスマン・レクスロ−ト・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング Device for controlling hydraulic motor
EP0356780A2 (en) * 1988-09-01 1990-03-07 AEG Sensorsysteme GmbH Reservoir for a pressure fluid circuit, especially for an aircraft hydraulic circuit
KR20030010425A (en) 2001-07-28 2003-02-05 삼성에스디아이 주식회사 Organic electrolytic solution and lithium battery employing the same
JP2003290931A (en) * 2002-04-05 2003-10-14 Ckd Corp Actuator
KR20050041662A (en) 2003-10-31 2005-05-04 현대자동차주식회사 A supporting structure of cowl cross member for an automobile
KR20130121178A (en) * 2011-03-10 2013-11-05 가부시키가이샤 아루박 Gate valve and slide valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124803A (en) * 1982-01-20 1983-07-25 マンネスマン・レクスロ−ト・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング Device for controlling hydraulic motor
EP0356780A2 (en) * 1988-09-01 1990-03-07 AEG Sensorsysteme GmbH Reservoir for a pressure fluid circuit, especially for an aircraft hydraulic circuit
KR20030010425A (en) 2001-07-28 2003-02-05 삼성에스디아이 주식회사 Organic electrolytic solution and lithium battery employing the same
JP2003290931A (en) * 2002-04-05 2003-10-14 Ckd Corp Actuator
KR20050041662A (en) 2003-10-31 2005-05-04 현대자동차주식회사 A supporting structure of cowl cross member for an automobile
KR20130121178A (en) * 2011-03-10 2013-11-05 가부시키가이샤 아루박 Gate valve and slide valve

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