CN109695604A - Dual Piston synchronous fuel tank device - Google Patents

Dual Piston synchronous fuel tank device Download PDF

Info

Publication number
CN109695604A
CN109695604A CN201811621862.0A CN201811621862A CN109695604A CN 109695604 A CN109695604 A CN 109695604A CN 201811621862 A CN201811621862 A CN 201811621862A CN 109695604 A CN109695604 A CN 109695604A
Authority
CN
China
Prior art keywords
piston
fuel tank
end cover
tank device
synchronous fuel
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.)
Pending
Application number
CN201811621862.0A
Other languages
Chinese (zh)
Inventor
顾国明
刘冬华
杨德生
尹婷婷
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.)
SHANGHAI CONSTRUCTION REAL ESTATE CO Ltd
Shanghai Construction Group Co Ltd
Original Assignee
SHANGHAI CONSTRUCTION REAL ESTATE CO Ltd
Shanghai Construction Group 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.)
Filing date
Publication date
Application filed by SHANGHAI CONSTRUCTION REAL ESTATE CO Ltd, Shanghai Construction Group Co Ltd filed Critical SHANGHAI CONSTRUCTION REAL ESTATE CO Ltd
Priority to CN201811621862.0A priority Critical patent/CN109695604A/en
Publication of CN109695604A publication Critical patent/CN109695604A/en
Pending legal-status Critical Current

Links

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
    • F15B15/1404Characterised 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
    • F15B15/1409Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • F15B15/1457Piston rods
    • F15B15/1461Piston rod sealings

Landscapes

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

Abstract

The invention discloses a kind of dual Piston synchronous fuel tank devices, it include: intermediate end cover, the piston component that is respectively welded at the cylinder body at the intermediate end cover both ends and is symmetrically mounted in two cylinder bodies, wherein, the first hydraulic fluid port has been provided in the middle part of the intermediate end cover, through-hole is offered inside the intermediate end cover, the through-hole is respectively communicated with the cylinder body at the intermediate end cover both ends and the first hydraulic fluid port.Dual Piston synchronous fuel tank device in the present invention on intermediate end cover by opening up the through-hole of left and right intercommunication, so that the rodless cavity of left and right sides cylinder body communicates, area and oil pressure are equal, so when piston rod stretches out, two side-thrusts and movement velocity are equal, can occur the case where eccentricity additional to avoid the not equal generations of both ends thrust.

Description

Dual Piston synchronous fuel tank device
Technical field
The present invention relates to Construction of Civil Engineering field, in particular to a kind of dual Piston synchronous fuel tank device.
Background technique
In underground engineering inverse method one-column one-pile work progress, the degree control of steel column is the general character problem of industry. Wherein, the high-precision verticality-regulating system of overlength steel column and automatic positioning clamping device research and development are the important topics of engineers and technicians And problem.
Summary of the invention
The present invention provides a kind of dual Piston synchronous fuel tank device, to solve the high-precision verticality-regulating system of overlength steel column certainly Dynamic positioning clamp problem.
In order to solve the above technical problems, the present invention provides a kind of dual Piston synchronous fuel tank device, comprising: intermediate end cover, The piston component for being respectively welded at the cylinder body at the intermediate end cover both ends and being symmetrically mounted in two cylinder bodies, wherein described It has been provided with the first hydraulic fluid port in the middle part of intermediate end cover, through-hole, the through-hole and the centre are offered inside the intermediate end cover The cylinder body at end cap both ends and the first hydraulic fluid port are respectively communicated with.
Preferably, running through on the intermediate end cover has fixed pin.
Preferably, the piston component includes: piston rod, piston body and guide sleeve, wherein one end of the piston rod It is inserted in the cylinder body and is connect with the piston body, the other end of the piston rod is pierced by the guide sleeve, the guiding Set is fixed at the cylinder mouth of the cylinder body.
Preferably, one end on the cylinder body far from the intermediate end cover offers the second hydraulic fluid port.
Preferably, the other end of the piston rod is provided with oscillating bearing.
Preferably, being respectively set between the piston rod and the guide sleeve between the piston body and the cylinder body There are several dynamic seal rings.
Preferably, being respectively set between the piston rod and the piston body between the cylinder body and the guide sleeve There is static sealing ring.
Preferably, the bottom of the piston component offers the annular guide channel being connected to the through-hole.
Compared with prior art, the invention has the following advantages that
1, dual Piston synchronous fuel tank device of the invention can solve the high-precision verticality-regulating system of overlength steel column certainly very well The problem that dynamic positioning clamps realizes the positioning of high efficiency synchronous Automatic-clamping.
2, the dual Piston synchronous fuel tank device in the present invention is made by opening up the through-hole of left and right intercommunication on intermediate end cover The rodless cavity for obtaining left and right sides cylinder body communicates, and area and oil pressure are equal, so two side-thrusts and movement are fast when piston rod stretches out It spends equal, can occur the case where eccentricity additional to avoid the not equal generations of both ends thrust.
3, the present invention expands the reciprocating motion range of driven member, and motion range is about 2 times of effective travel L, can So that more compact structure.
4, since synchronous fuel tank axis can be rotated around fixed pin, the axis and base of dual Piston synchronous fuel tank device can be finely tuned The angle in quasi- face, the case where avoiding driven equipment manufacturing tolerance excessive and cannot installing appearance, therefore the present invention can expand Equipment processing or installation error range.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of dual Piston synchronous fuel tank device of the invention;
Fig. 2 is the structural schematic diagram of dual Piston synchronous fuel tank device of the invention;
Fig. 3 is the operation schematic diagram of dual Piston synchronous fuel tank device of the invention;
Fig. 4 is the face the A-A schematic diagram of Fig. 1.
It is as shown in the figure:
1, intermediate end cover;11, the first hydraulic fluid port;12, through-hole;2, cylinder body;21, the second hydraulic fluid port;3, piston component;31, piston Bar;32, piston body;33, guide sleeve;34, oscillating bearing;4, fixed pin;51, dynamic seal ring;52, static sealing ring;10, without bar Chamber;20, rod chamber.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.It should be noted that attached drawing of the present invention is all made of simplified form and uses non-essence Quasi- ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
As shown in Figures 1 to 4, the present invention provides a kind of dual Piston synchronous fuel tank device, comprising: intermediate end cover 1, difference The piston component 3 for being welded on the cylinder body 2 at 1 both ends of intermediate end cover and being symmetrically mounted in two cylinder bodies 2, wherein described The middle part of intermediate end cover 1 has been provided with the first hydraulic fluid port 11, offers through-hole 12 inside the intermediate end cover 1, the through-hole 12 with Two cylinder bodies 2 and the first hydraulic fluid port 11 at 1 both ends of intermediate end cover are respectively communicated with.Specifically, by 11 note of the first hydraulic fluid port Enter lubricating oil, lubricating oil can enter in two cylinder bodies 2 at 1 both ends of intermediate end cover by through-hole 12.And by intermediate ends The through-hole 12 of left and right intercommunication is opened up on lid 1 so that left and right sides cylinder body 2 rodless cavity 10 (region being directly connected to through-hole 12, Piston-rodless) it communicates, area and oil pressure are equal, so two side-thrusts and movement velocity are equal, can when piston component 3 stretches out The case where eccentricity additional to avoid the not equal generations of two end thrusts, occurs.
Emphasis through there is fixed pin 4 on the intermediate end cover 1, by rotating around fixed pin 4, can finely tune double referring to Fig. 3 The angle of piston type synchronous fuel tank device axis and datum level avoids the driven equipment manufacturing tolerance excessive and cannot install Situation occurs, therefore the present invention can expand equipment processing or installation error range.
Preferably, the piston component 3 includes: piston rod 31, piston body 32 and guide sleeve 33, wherein the piston One end of bar 31 is inserted in the cylinder body 2 and connect with the piston body 32, and the other end of the piston rod 31 is pierced by described Guide sleeve 33, the guide sleeve 33 are fixed at the cylinder mouth of the cylinder body 2.In other words, the piston rod 31 drives the work Cock body 32 moves back and forth in cylinder body 2, and the piston body 32 and piston rod 31 are oriented to and are limited by the guide sleeve 33 Position.
Preferably, one end on the cylinder body 2 far from the intermediate end cover 1 offers the second hydraulic fluid port 21, by described Second hydraulic fluid port 21 can be to rod chamber 20 (region between piston body 32 and guide sleeve 33, piston rod 31 pass through the region).
Further, the other end of the piston rod 31 is provided with oscillating bearing 34, convenient for driving piston rod 31 with other Moving part connection.
Referring to figs. 1 to Fig. 4, the bottom of the piston component 3 offers the annular guide channel being connected to the through-hole 12.Specifically Ground, the annular guide channel are collectively formed by piston rod 31 and piston body 32, when piston rod 31 and piston body 32 reach the bottom of cylinder body 2 When portion, which communicates with annular guide channel.
Preferably, dividing between the piston rod 31 and the guide sleeve 33 between the piston body 32 and the cylinder body 2 It is not provided with several dynamic seal rings 51.Between the cylinder body 2 and the guide sleeve 33, the piston rod 31 and the piston body 32 Between be respectively arranged with static sealing ring 52.By setting dynamic seal ring 51 and static sealing ring 52, realize same to entire dual Piston Walk the integral sealing of cylinder apparatus.
In conclusion the invention has the following advantages that
1, dual Piston synchronous fuel tank device of the invention can solve the high-precision verticality-regulating system of overlength steel column certainly very well The problem that dynamic positioning clamps realizes the positioning of high efficiency synchronous Automatic-clamping.
2, the dual Piston synchronous fuel tank device in the present invention on intermediate end cover 1 by opening up the through-hole of left and right intercommunication 12, so that the rodless cavity of left and right sides cylinder body 2 communicates, area and oil pressure are equal, so when piston rod 31 stretches out, two side-thrusts It is equal with movement velocity, it can occur the case where eccentricity additional to avoid the not equal generations of both ends thrust.
3, the present invention expands the reciprocating motion range of driven member, and motion range is about 2-3 times of effective travel L, It can make more compact structure.
4, since dual Piston synchronous fuel tank device can be rotated around fixed pin, dual Piston synchronous fuel tank device can be finely tuned Axis and datum level angle, the case where avoiding driven equipment manufacturing tolerance excessive and cannot installing appearance, therefore this hair It is bright to expand equipment processing or installation error range.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it Interior, then the invention is also intended to include including these modification and variations.

Claims (8)

1. a kind of dual Piston synchronous fuel tank device characterized by comprising intermediate end cover (1) is respectively welded at the centre The cylinder body (2) at end cap (1) both ends and the piston component (3) being symmetrically mounted in two cylinder bodies (2), wherein the intermediate ends Be provided with the first hydraulic fluid port (11) in the middle part of lid (1), offered through-hole (12) inside the intermediate end cover (1), the through-hole with The cylinder body (2) and the first hydraulic fluid port (11) at intermediate end cover (1) both ends are respectively communicated with.
2. dual Piston synchronous fuel tank device as described in claim 1, which is characterized in that run through on the intermediate end cover (1) There are fixed pin (4).
3. dual Piston synchronous fuel tank device as described in claim 1, which is characterized in that the piston component (3) includes: work Stopper rod (31), piston body (32) and guide sleeve (33), wherein one end of the piston rod (31) is inserted in the cylinder body (2) And connect with the piston body (32), the other end of the piston rod (31) is pierced by the guide sleeve (33), the guide sleeve (33) it is fixed at the cylinder mouth of the cylinder body (2).
4. dual Piston synchronous fuel tank device as claimed in claim 3, which is characterized in that far from described on the cylinder body (2) One end of intermediate end cover (1) offers the second hydraulic fluid port (21).
5. dual Piston synchronous fuel tank device as claimed in claim 3, which is characterized in that the other end of the piston rod (31) It is provided with oscillating bearing (34).
6. dual Piston synchronous fuel tank device as claimed in claim 3, which is characterized in that the piston body (32) and the cylinder Between body (2), several dynamic seal rings (51) are respectively arranged between the piston rod (31) and the guide sleeve (33).
7. the dual Piston synchronous fuel tank device as described in claim 3 or 6, which is characterized in that the cylinder body (2) is led with described To between set (33), static sealing ring (52) are respectively arranged between the piston rod (31) and the piston body (32).
8. dual Piston synchronous fuel tank device as described in claim 1, which is characterized in that the bottom of the piston component (3) Offer the annular guide channel being connected to the through-hole (12).
CN201811621862.0A 2018-12-28 2018-12-28 Dual Piston synchronous fuel tank device Pending CN109695604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811621862.0A CN109695604A (en) 2018-12-28 2018-12-28 Dual Piston synchronous fuel tank device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811621862.0A CN109695604A (en) 2018-12-28 2018-12-28 Dual Piston synchronous fuel tank device

Publications (1)

Publication Number Publication Date
CN109695604A true CN109695604A (en) 2019-04-30

Family

ID=66232273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811621862.0A Pending CN109695604A (en) 2018-12-28 2018-12-28 Dual Piston synchronous fuel tank device

Country Status (1)

Country Link
CN (1) CN109695604A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332175A (en) * 2019-08-14 2019-10-15 百灵气动科技有限公司 A kind of four axis cylinders
CN113669326A (en) * 2021-08-19 2021-11-19 安徽理工大学 Double-piston-rod hydraulic servo oil cylinder applied to hydraulic drive legged robot

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440703A (en) * 1987-08-04 1989-02-13 Iseki Agricult Mach Hydraulic cylinder device
CN203476883U (en) * 2013-08-16 2014-03-12 浙江东方州强塑模实业有限公司 Two-way synchronous reciprocating type air cylinder
CN205639165U (en) * 2016-05-30 2016-10-12 龙岩市山力工程液压有限公司 Horizontal oil cylinder
CN108317125A (en) * 2018-03-26 2018-07-24 湖北赞博信息科技股份有限公司 A kind of two-way multi-steering hydraulic piston oil cylinder of food machinery
CN207864296U (en) * 2018-01-03 2018-09-14 江苏恒立液压股份有限公司 Small-sized double-outlet cylinder
CN108953279A (en) * 2018-08-21 2018-12-07 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) A kind of double formula synchronous hydraulic cylinders out of double piston-rod

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440703A (en) * 1987-08-04 1989-02-13 Iseki Agricult Mach Hydraulic cylinder device
CN203476883U (en) * 2013-08-16 2014-03-12 浙江东方州强塑模实业有限公司 Two-way synchronous reciprocating type air cylinder
CN205639165U (en) * 2016-05-30 2016-10-12 龙岩市山力工程液压有限公司 Horizontal oil cylinder
CN207864296U (en) * 2018-01-03 2018-09-14 江苏恒立液压股份有限公司 Small-sized double-outlet cylinder
CN108317125A (en) * 2018-03-26 2018-07-24 湖北赞博信息科技股份有限公司 A kind of two-way multi-steering hydraulic piston oil cylinder of food machinery
CN108953279A (en) * 2018-08-21 2018-12-07 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) A kind of double formula synchronous hydraulic cylinders out of double piston-rod

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332175A (en) * 2019-08-14 2019-10-15 百灵气动科技有限公司 A kind of four axis cylinders
CN113669326A (en) * 2021-08-19 2021-11-19 安徽理工大学 Double-piston-rod hydraulic servo oil cylinder applied to hydraulic drive legged robot

Similar Documents

Publication Publication Date Title
CN105443498B (en) It is a kind of that there is flexible and oscillating function Integral hydraulic cylinder and its application
KR101945788B1 (en) Fluid pressure cylinder
CN109695604A (en) Dual Piston synchronous fuel tank device
KR102139397B1 (en) Tube and shock absorber
CN212536297U (en) Valve core structure of reversing valve
CN105473855A (en) Sealing device for piston
US3071118A (en) Actuator valve means
CN102906475A (en) Multi-way valve
EP3128655A1 (en) Steering motor
CN110594233A (en) Hydraulic cylinder structure of hydraulic system with higher frequency response requirement and limited installation space
CN103225661A (en) Gas spring and damping force generating mechanism
CN104006023B (en) One utilizes gap sealed plunger case
US3863676A (en) Piston type accumulator
CN103111833A (en) Assembly and disassembly tool for clamping-pressing type mechanical connector
CN104502210A (en) Centrifuge shaking table
US20100186583A1 (en) Hollow double rod cylinder actuator
US20080115663A1 (en) Vibration damper with amplitude-selective damping force
CN104373419A (en) Piston rod type hydraulic cylinder structure
CN110402333B (en) Fluid device
CN110984110A (en) Static pressure vibration system
US7191806B2 (en) Oil injecting apparatus
CN102536947B (en) Isostatic pressed cylinder with suspended
CN110424914B (en) Hydraulic support device for cased well
CN103573575A (en) Magnetic piston pump
CN204300013U (en) A kind of hydraulic jack

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190430

WD01 Invention patent application deemed withdrawn after publication