CN104791323A - Double-outflow-head six-cavity combined oil cylinder - Google Patents

Double-outflow-head six-cavity combined oil cylinder Download PDF

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Publication number
CN104791323A
CN104791323A CN201510221358.1A CN201510221358A CN104791323A CN 104791323 A CN104791323 A CN 104791323A CN 201510221358 A CN201510221358 A CN 201510221358A CN 104791323 A CN104791323 A CN 104791323A
Authority
CN
China
Prior art keywords
piston rod
cylinder barrel
oil
hydraulic fluid
fluid port
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201510221358.1A
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Chinese (zh)
Other versions
CN104791323B (en
Inventor
高继宗
冯正友
马建
王军栋
孔庆潭
欧阳新良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongying Demai Petroleum Technology Co.,Ltd.
Original Assignee
DONGYING MENGDE JINMA ENGINE Co Ltd
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.)
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Application filed by DONGYING MENGDE JINMA ENGINE Co Ltd filed Critical DONGYING MENGDE JINMA ENGINE Co Ltd
Priority to CN201510221358.1A priority Critical patent/CN104791323B/en
Publication of CN104791323A publication Critical patent/CN104791323A/en
Application granted granted Critical
Publication of CN104791323B publication Critical patent/CN104791323B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1404Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The invention relates to a double-outflow-head six-cavity combined oil cylinder. According to the technical scheme, a spacer bush is arranged between an upper cylinder barrel and a lower cylinder barrel, the spacer bush divides the upper cylinder barrel and the lower cylinder barrel into two independent cavities, a main piston rod is longitudinally communicated with the portion between the upper cylinder barrel and the lower cylinder barrel, an inner piston rod is sleeved with the lower portion of the main piston rod, the lower cylinder barrel is divided into a first oil cylinder cavity and a second oil cylinder cavity through the inner piston rod, the inner piston rod is provided with an oil port A and an oil port B, the oil port A is connected with the first oil cylinder cavity, the oil port B is connected with the second oil cylinder cavity, the outer portion of the lower cylinder barrel is provided with an oil port C and an oil port D, the outer portion of the upper cylinder barrel is provided with an oil port E and an oil port F, and a hydraulic control one-way valve is arranged on the oil port A. The double-outflow-head six-cavity combined oil cylinder has the advantages that in operation under pressure, the problem that operation under pressure must depend on two or four oil cylinders is solved, and potential safety hazards of tubular column out of control caused by jacking damage of a rigid frame caused by asynchrony between the oil cylinders are avoided.

Description

Two six chamber combined oil cylinders of lifting one's head
Technical field
The present invention relates to a kind of power executive component for Long travel hydraulic energy-storing workover rig, particularly a kind of two six chamber combined oil cylinders of lifting one's head.
Background technique
Domestic common Operating Pressure equipment is all that dependence two or four oil cylinder heads are connected with rigid frame, with traveling slip on rigid frame, slips clamping tubing string coordinates drive tubing string to realize Operating Pressure, in work progress, exist because asynchronous between oil cylinder causes pushing up the potential safety hazard that bad rigid frame causes tubing string out of control, cause oil cylinder operation to be lost efficacy, affect operating efficiency.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of two six chamber combined oil cylinders of lifting one's head, solves in Operating Pressure process, solve the problem that Operating Pressure must rely on two or four oil cylinders.
Its technological scheme is: comprise cylinder barrel, main piston rod, spacer, lower cylinder barrel, inner piston rod, the centre of upper cylinder barrel and lower cylinder barrel is provided with spacer, upper cylinder barrel and lower cylinder barrel are divided into two sections of independent cavitys by described spacer, main piston rod vertical communication is in the centre of upper cylinder barrel and lower cylinder barrel, the bottom socket inner piston rod of described main piston rod, lower cylinder barrel is divided into the first oil cylinder chamber and the second oil cylinder chamber by inner piston rod, described inner piston rod is provided with A, B hydraulic fluid port, A hydraulic fluid port connects the first oil cylinder chamber, B hydraulic fluid port connects the second oil cylinder chamber, the outside of lower cylinder barrel is provided with C, D hydraulic fluid port, the outside of upper cylinder barrel is provided with E, F hydraulic fluid port, described A hydraulic fluid port is provided with Pilot operated check valve.
The sidewall of above-mentioned main piston rod is provided with back-up ring and lower back-up ring, described upper back-up ring coordinates with the upper-end surface of spacer, described lower back-up ring coordinates with the lower end surface of spacer, and main piston rod moves up and down and coordinates by upper back-up ring and lower back-up ring the movement locus limiting main piston rod with spacer.
The top of above-mentioned inner piston rod is provided with position limit cycle, and the lower back-up ring bottom described position limit cycle and main piston rod cooperatively interacts and limits the movement locus of inner piston rod.
The invention has the beneficial effects as follows: solve in Operating Pressure process, solve the problem that Operating Pressure must rely on two or four oil cylinders, to avoid between oil cylinder asynchronous causes pushing up the potential safety hazard that bad rigid frame causes tubing string out of control, improves the active force of oil cylinder, improves working effect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
In upper figure: upper cylinder barrel 1, main piston rod 2, spacer 3, lower cylinder barrel 4, inner piston rod 5, upper back-up ring 2.1, lower back-up ring 2.2, position limit cycle 5.1, first oil cylinder chamber a, the second oil cylinder chamber b.
Embodiment
By reference to the accompanying drawings 1, the invention will be further described:
The present invention includes cylinder barrel 1, main piston rod 2, spacer 3, lower cylinder barrel 4, inner piston rod 5, the centre of upper cylinder barrel 1 and lower cylinder barrel 4 is provided with spacer 3, upper cylinder barrel 1 and lower cylinder barrel 4 are divided into two sections of independent cavitys by described spacer 3, main piston rod 2 vertical communication is in the centre of upper cylinder barrel 1 and lower cylinder barrel 4, the bottom socket inner piston rod 5 of described main piston rod 2, lower cylinder barrel 4 is divided into the first oil cylinder chamber a and the second oil cylinder chamber b by inner piston rod 5, described inner piston rod 5 is provided with A, B hydraulic fluid port, A hydraulic fluid port connects the first oil cylinder chamber a, B hydraulic fluid port connects the second oil cylinder chamber b, the outside of lower cylinder barrel 4 is provided with C, D hydraulic fluid port, the outside of upper cylinder barrel is provided with E, F hydraulic fluid port, described A hydraulic fluid port is provided with Pilot operated check valve.
Wherein, the sidewall of main piston rod 2 is provided with back-up ring 2.1 and lower back-up ring 2.2, described upper back-up ring 2.1 coordinates with the upper-end surface of spacer 3, described lower back-up ring 2.2 coordinates with the lower end surface of spacer 3, main piston rod 2 is moved up and down and to be coordinated with spacer 3 by upper back-up ring 2.1 and lower back-up ring 2.2, the movement locus of restriction main piston rod 2.
Wherein, the top of inner piston rod 5 is provided with position limit cycle 5.1, and described position limit cycle 5.1 cooperatively interacts with the lower back-up ring 2.2 bottom main piston rod 2 and limits the movement locus of inner piston rod 5.
Working principle: main piston rod 2 runs through cylinder barrel 1 and lower cylinder barrel 4, and centre spacer 3 is divided into two sections of independent cavitys, the bottom empty set inner piston rod 5 of main piston rod 2, lower cylinder barrel 4 is divided into the first oil cylinder chamber a and the second oil cylinder chamber b by inner piston rod 5, described inner piston rod 5 is provided with A, B hydraulic fluid port, A hydraulic fluid port connects the first oil cylinder chamber a, B hydraulic fluid port connects the second oil cylinder chamber b, the position up and down of lower cylinder barrel 4 distributed C, D hydraulic fluid port, and the position up and down of upper cylinder barrel distributed E, F hydraulic fluid port, A hydraulic fluid port installs Pilot operated check valve in actual applications, when the oil-feed of A hydraulic fluid port, wherein C, E hydraulic fluid port enters high pressure oil, main piston rod 2 can be made to stretch out, D, the oil-feed of F hydraulic fluid port can make main piston rod 2 retract, under different loading conditions, select different combinations, energy efficient and raising speed to greatest extent, by the oil-feed of A hydraulic fluid port, the relative position of main piston rod 2 and inner piston rod 5 can be regulated, after the first oil cylinder chamber a locks, due to the incompressibility of hydraulic oil, pressurized direction is one be rigidly connected, inner piston rod 5 can be retracted by the oil-feed of B hydraulic fluid port, under this enters those operating states gone out, this two six chamber combined oil cylinders of lifting one's head can replace two or four oil cylinders in existing Operating Pressure technology, if by the end winding support of inner piston rod 5, A, C, E hydraulic fluid port enters high pressure oil simultaneously, and the high pressure oil entered acts on main piston rod 2 simultaneously, obtains feature more energetically under making to have equal outside dimension.

Claims (3)

1. two six chamber combined oil cylinders of lifting one's head, it is characterized in that: comprise cylinder barrel, main piston rod, spacer, lower cylinder barrel, inner piston rod, the centre of upper cylinder barrel and lower cylinder barrel is provided with spacer, upper cylinder barrel and lower cylinder barrel are divided into two sections of independent cavitys by described spacer, main piston rod vertical communication is in the centre of upper cylinder barrel and lower cylinder barrel, the bottom socket inner piston rod of described main piston rod, lower cylinder barrel is divided into the first oil cylinder chamber and the second oil cylinder chamber by inner piston rod, described inner piston rod is provided with A, B hydraulic fluid port, A hydraulic fluid port connects the first oil cylinder chamber, B hydraulic fluid port connects the second oil cylinder chamber, the outside of lower cylinder barrel is provided with C, D hydraulic fluid port, the outside of upper cylinder barrel is provided with E, F hydraulic fluid port, described A hydraulic fluid port is provided with Pilot operated check valve.
2. two six chamber combined oil cylinders of lifting one's head according to claim 1, it is characterized in that: the sidewall of described main piston rod is provided with back-up ring and lower back-up ring, described upper back-up ring coordinates with the upper-end surface of spacer, described lower back-up ring coordinates with the lower end surface of spacer, and main piston rod moves up and down and coordinates by upper back-up ring and lower back-up ring the movement locus limiting main piston rod with spacer.
3. two six chamber combined oil cylinders of lifting one's head according to claim 1, is characterized in that: the top of described inner piston rod is provided with position limit cycle, and the lower back-up ring bottom described position limit cycle and main piston rod cooperatively interacts and limits the movement locus of inner piston rod.
CN201510221358.1A 2015-05-05 2015-05-05 Double six chamber combined oil cylinders of lifting one's head Active CN104791323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510221358.1A CN104791323B (en) 2015-05-05 2015-05-05 Double six chamber combined oil cylinders of lifting one's head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510221358.1A CN104791323B (en) 2015-05-05 2015-05-05 Double six chamber combined oil cylinders of lifting one's head

Publications (2)

Publication Number Publication Date
CN104791323A true CN104791323A (en) 2015-07-22
CN104791323B CN104791323B (en) 2018-05-01

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Family Applications (1)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH359979A (en) * 1957-06-29 1962-01-31 Miag Muehlenbau & Ind Gmbh Servo motor for operating two machine parts
CN203516270U (en) * 2012-11-02 2014-04-02 胜利油田孚瑞特石油装备有限责任公司 Four-cavity telescopic lifting master oil cylinder of energy storage workover rig
CN103790890A (en) * 2012-11-02 2014-05-14 胜利油田孚瑞特石油装备有限责任公司 Four-cavity telescopic-type main lifting cylinder of energy storage workover rig
CN203796662U (en) * 2014-04-22 2014-08-27 宁波以赛亚气动成套有限公司 Quadruple-strength air cylinder
CN104329314A (en) * 2014-09-28 2015-02-04 北京建筑大学 Damping device
CN104564898A (en) * 2014-12-29 2015-04-29 周卫荣 Multi-stroke cylinder
CN204591864U (en) * 2015-05-05 2015-08-26 东营蒙德金马机车有限公司 Two six chamber combined oil cylinders of lifting one's head

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH359979A (en) * 1957-06-29 1962-01-31 Miag Muehlenbau & Ind Gmbh Servo motor for operating two machine parts
CN203516270U (en) * 2012-11-02 2014-04-02 胜利油田孚瑞特石油装备有限责任公司 Four-cavity telescopic lifting master oil cylinder of energy storage workover rig
CN103790890A (en) * 2012-11-02 2014-05-14 胜利油田孚瑞特石油装备有限责任公司 Four-cavity telescopic-type main lifting cylinder of energy storage workover rig
CN203796662U (en) * 2014-04-22 2014-08-27 宁波以赛亚气动成套有限公司 Quadruple-strength air cylinder
CN104329314A (en) * 2014-09-28 2015-02-04 北京建筑大学 Damping device
CN104564898A (en) * 2014-12-29 2015-04-29 周卫荣 Multi-stroke cylinder
CN204591864U (en) * 2015-05-05 2015-08-26 东营蒙德金马机车有限公司 Two six chamber combined oil cylinders of lifting one's head

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Effective date of registration: 20180404

Address after: 257300 Shandong city of Dongying province Guangrao County Lok Street rice Zhuang Zhen Dong Shou Lu Bei

Applicant after: Shandong Ji New Energy Automobile Co. Ltd.

Address before: In the street 257300 Shandong city of Dongying province Guangrao County No. 1719

Applicant before: Dongying Mengde Jinma Engine Co., Ltd.

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Effective date of registration: 20200709

Address after: In the street 257336 Shandong city of Dongying province Guangrao County No. 1719

Patentee after: Shandong LANNUO Automobile Co.,Ltd.

Address before: 257300 Shandong city of Dongying province Guangrao County Lok Street rice Zhuang Zhen Dong Shou Lu Bei

Patentee before: JIHAI NEW ENERGY VEHICLES Co.,Ltd. SHANDONG

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Effective date of registration: 20210609

Address after: 257000 Dongshou, shengtongdao, daozhuang Town, Guangrao County, Dongying City, Shandong Province

Patentee after: Dongying Demai Petroleum Technology Co.,Ltd.

Address before: 1719 Le'an street, Guangrao County, Dongying City, Shandong Province 257336

Patentee before: Shandong LANNUO Automobile Co.,Ltd.