CN104132022B - A kind of simple servo-cylinder - Google Patents
A kind of simple servo-cylinder Download PDFInfo
- Publication number
- CN104132022B CN104132022B CN201410374851.2A CN201410374851A CN104132022B CN 104132022 B CN104132022 B CN 104132022B CN 201410374851 A CN201410374851 A CN 201410374851A CN 104132022 B CN104132022 B CN 104132022B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- fairlead
- cylinder barrel
- simple servo
- internal thread
- 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.)
- Active
Links
Landscapes
- Actuator (AREA)
Abstract
The present invention relates to a kind of simple servo-cylinder, be specifically related to a kind of high-precision simple servo-cylinder of the low friction of low inertia.A kind of simple servo-cylinder, including cylinder barrel, aluminium set, fairlead, O-ring seals and displacement transducer；Cylinder barrel one end is positioned at the cavity of fairlead, and aluminium overlaps one end and is positioned at fairlead cavity another part；Using the sealing means of guiding valve between described fairlead and aluminium set, displacement transducer is arranged on cylinder barrel end face by internal thread hole, and the magnetic bar of institute's displacement sensors is positioned at inside cylinder barrel.Simple servo-cylinder simple in construction of the present invention, difficulty of processing is little, be quick on the draw, easy-maintaining, cycle are short, and low cost.
Description
Technical field
The present invention relates to a kind of simple servo-cylinder, be specifically related to a kind of low friction of low inertia high-precision
The simple servo-cylinder of degree.
Background technology
The existing hydraulic pressure being applied to high-power automatic transmission shift valve frequency response test
Servo-cylinder is all that this kind of oil cylinder is all by piston rod, cylinder body, leads selected from conventional servoBcylinder
To set, piston, piston rod sealing ring, piston sealing ring, O-ring seals, dust ring,
Support ring and sensor etc. form, this structure is complicated, difficulty of processing is big, installation requirement is high,
Delivery cycle length, break down after be not easily repaired, and relatively costly.If selecting this type of normal
The servo-cylinder of rule simulates the piston of high-power automatic transmission, will affect the frequency of system,
Serious may result in result of the test and cannot meet requirement, and then impact is to high-power fluid drive
The judge of device actual performance.
Summary of the invention
It is usually piston cylinder for solving conventional servo oil cylinder of the prior art, is unsatisfactory for high-power
The demand of automatic transmission shift valve test, and the structure of conventional servo oil cylinder is complicated, processing,
Assembly precision is high, the problem that cost is high, it is an object of the invention to provide a kind of simple servo oil
Cylinder, it have low inertia, low friction, in high precision, the easy feature such as assembling and easy-maintaining.
It is an object of the invention to be achieved through the following technical solutions:
A kind of simple servo-cylinder, uses the version of plunger case, including:
Cylinder barrel one end is positioned at the cavity of fairlead, and aluminium overlaps one end and is positioned at another portion of fairlead cavity
Point；
The sealing means of guiding valve is used, at described fairlead and aluminium between described fairlead and aluminium set
The matching part of set, is machined with endoporus b, opens compensating groove on described endoporus b；
Every 10mm bore depth processing 36 road compensating grooves, described compensating groove is rectangle or V-arrangement,
A width of 0.3 0.7mm, is 0.2 1mm deeply, is spaced apart 0.7 2mm between per pass compensating groove.
Displacement transducer is arranged on the described cylinder barrel other end, and the magnetic bar of institute's displacement sensors is positioned at
Inside cylinder barrel；
It is positioned at outside described fairlead cavity, is i.e. provided with pipe on the lateral surface of cylinder barrel the other end and connects
Headstock.
Installing inductance loop on the end face of the aluminium set being positioned at the cavity of described fairlead, mangneto ring is pacified
It is contained on described inductance loop；
Wherein, in described cylinder barrel and fairlead junction, described cylinder barrel is provided with external screw thread, guides
Being arranged with internal thread, cylinder barrel is connected with internal thread by described external screw thread with described fairlead.
It is provided with O-ring seals between described cylinder barrel and described fairlead.
The end face of described cylinder barrel installation position displacement sensor is provided with internal thread hole, institute's displacement sensors
It is arranged on this end of described cylinder barrel by described internal thread hole.
Sealed by O-ring seals between described cylinder barrel and displacement transducer.
The end face of the aluminium set outside the cavity being positioned at described fairlead is provided with endoporus a, places described
Magnetic bar.
End face at the aluminium set of the cavity being positioned at described fairlead is provided with internal thread hole, and in institute
State installation inductance loop in internal thread hole.
Described mangneto ring is bolted on described inductance loop.
The invention have the benefit that
The invention provides a kind of high-power automatic transmission shift valve frequency response test
Hydraulic servo oil cylinder, simulates important zero of high-power automatic transmission gearshift the most really
Part piston；
Oil cylinder plays the purpose accurately sensing stroke by the way of displacement transducer is built-in；
Aluminium set in oil cylinder and fairlead have employed the sealing structure of guiding valve, it is ensured that oil cylinder is in motion
During frictional resistance the lowest；
The moving component of oil cylinder is aluminium set, and material is light, and inertia is little；The material of plunger uses aluminum component,
Aluminium set is internal to be emptied, it is ensured that the requirement of low inertia；
Oil cylinder uses the form of axial columns plug cylinder, simple in construction, and difficulty of processing is little, installs simple,
Be quick on the draw, easy-maintaining, cycle short, low cost；
Oil cylinder of the present invention, at the beginning of developing, designs according to the index such as frequency response of system,
Oil cylinder stroke, cylinder diameter are consistent with the piston of high-power speed changer with pressure and other parameters.By test
After, the performance of high-power automatic transmission can be reacted more really.
Accompanying drawing explanation
Fig. 1 is the internal structure sectional view of the present invention；
Fig. 2 is the working state figure of the present invention；
Wherein, 1 cylinder barrel, 2 fairleads, 3 aluminium sets, 4 inductance loops, 5 O RunddichtringOs,
6 mangneto rings, 7 bolts, 8 displacement transducers, 9 pipe joint seats.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below
The present invention is described in further detail in conjunction with the embodiments.But example is not as to this
The restriction of invention.
A kind of simple servo-cylinder, including:
Cylinder barrel 1 one end is positioned at the cavity of fairlead 2, and aluminium overlaps 3 one end and is positioned at fairlead 2 sky
Chamber another part；
The sealing means of guiding valve is used, at described fairlead between described fairlead 2 and aluminium set 3
2 and aluminium set 3 matching part, be machined with endoporus b, described endoporus b open compensating groove；
Every 10mm bore depth processing 36 road compensating grooves, described compensating groove is rectangle or V-arrangement,
A width of 0.3 0.7mm, is 0.2 1mm deeply, is spaced apart 0.7 2mm between per pass compensating groove.
Displacement transducer 8 is arranged on described cylinder barrel 1 other end, the magnetic of institute's displacement sensors 8
It is internal that bar is positioned at cylinder barrel 1；
On the end face of the aluminium set 3 being positioned at described fairlead 2 cavity, inductance loop 4, mangneto are installed
Ring 6 is arranged on described inductance loop 4；
It is provided with pipe joint seat 9 on the lateral surface of described cylinder barrel 1 the other end.
Wherein, in described cylinder barrel 1 and fairlead 2 junction, described cylinder barrel 1 is provided with external screw thread,
Fairlead 2 is provided with internal thread, and cylinder barrel 1 and described fairlead 2 are by described external screw thread and interior spiral shell
Line connects.
It is provided with O-ring seals between described cylinder barrel 1 and described fairlead 2.
The end face of described cylinder barrel 1 installation position displacement sensor 8 is provided with internal thread hole, and described displacement passes
Sensor 8 is arranged on described this end of cylinder barrel 1 by described internal thread hole.
Sealed by O-ring seals between described cylinder barrel 1 and displacement transducer 8.
The end face of the aluminium set 3 being positioned at outside the cavity of described fairlead 2 is provided with endoporus a, places institute
State magnetic bar.
The end face of the aluminium set 3 being positioned at the cavity of described fairlead 2 is provided with internal thread hole, and
Described internal thread hole is installed inductance loop 4.
Described mangneto ring 6 is bolted on described inductance loop 4.
Concrete, as it is shown in figure 1, cylinder barrel 1 selects 35# round steel, in the end side of cylinder barrel 1
The outside threaded holes of processing M95 × 3, face, processing length is the φ 86mm step of 16mm simultaneously,
And at the cylindrical of this step, open an O groove.
In the other end of cylinder barrel 1, the bottom outlet of one φ 48mm of processing, the most again at bottom outlet
The internal thread of processing M48 × 1.5, place, screw thread hole depth 30mm, in order to change servo-cylinder
Intrinsic frequency.Again at the internal thread hole of one M18 × 1.5 of this end face processing, in order to displacement
Sensor is connected with cylinder barrel by this screwed hole.Further, since displacement transducer 8 and cylinder barrel 1
Being to be sealed by O-ring seals, therefore on cylinder barrel 1, the internal thread hole of M18 × 1.5 needs to press
According to " GB/T2878.1 2011 hydraulic drive connects band metric thread and the hydraulic fluid port of seal with O ring
With end of thread part 1: hydraulic fluid port " requirement be processed.
Wherein, the magnetic bar of institute's displacement sensors 8 is positioned at cylinder barrel 1 inside；
The steel pipe of 45# φ 108 × 22 selected by fairlead 2, and the core position of this fairlead 2 exists
In the matching part with aluminium set 3.In one φ 70mm roughness of described matching part processing it is
The endoporus b of 0.4.Opening 6 road compensating grooves on this endoporus b, the width of per pass compensating groove is 0.7mm,
The degree of depth is 0.5mm, and the interval between per pass compensating groove is at least 1mm.At fairlead 2
The internal thread hole of other end processing M95 × 3, in order to install with cylinder barrel 1 and be connected.Due to cylinder barrel
An O-ring seals is had between 1 and fairlead 2, thereby ensure that its sealing property.
The external diameter of aluminium set 3 is φ 70mm, and overlaps setting on 3 end faces at the aluminium near cylinder barrel 1
One step, its a size of 4 × φ 77mm.It addition, this end face process M60 ×
The internal thread hole of 1.5, in order to the location and installation of inductance loop 4.3 are overlapped at the aluminium deviating from cylinder barrel 1
Process the cylindrical of a φ 25mm on end face, and inside this cylindrical, dig the endoporus of φ 15mm
A, in order to the magnetic bar of displacement transducer is placed in the endoporus a of φ 15mm, can also keep away simultaneously
Exempt from the dead band of displacement transducer.
Pipe joint seat 9 is welded on cylinder barrel, to provide interface to be connected with test system.
According to Fig. 2, mangneto ring 6 is arranged on inductance loop 4, then O-ring seals is installed
In the O groove of cylinder barrel 1, finally displacement transducer 8 is arranged in cylinder barrel 1.
So far, oil cylinder all installs.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or the use present invention.Those skilled in the art are come by the multiple amendment to these embodiments
Saying and will be apparent from, generic principles defined herein can be without departing from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The widest scope that grain husk feature is consistent.
Claims (9)
1. a simple servo-cylinder, it is characterised in that including:
Cylinder barrel (1) one end is positioned at the cavity of fairlead (2), and aluminium set (3) one end is positioned at
Fairlead (2) cavity another part；
The sealing means of guiding valve is used between described fairlead (2) and aluminium set (3)；
Displacement transducer (8) is arranged on described cylinder barrel (1) other end, described displacement sensing
It is internal that the magnetic bar of device (8) is positioned at cylinder barrel (1)；
Pipe joint seat (9) it is provided with on the lateral surface of described cylinder barrel (1) the other end；
Inductance loop is installed on the end face of the aluminium set (3) being positioned at the cavity of described fairlead (2)
(4), mangneto ring (6) is arranged on described inductance loop (4).
The simple servo-cylinder of one the most according to claim 1, it is characterised in that
Described cylinder barrel (1) and fairlead (2) junction, described cylinder barrel (1) is provided with external screw thread,
Fairlead (2) is provided with internal thread, and cylinder barrel (1) and described fairlead (2) are by outside described
Screw thread is connected with internal thread.
The simple servo-cylinder of one the most according to claim 2, it is characterised in that
It is provided with O-ring seals between described cylinder barrel (1) and described fairlead (2).
The simple servo-cylinder of one the most according to claim 1, it is characterised in that institute
The end face stating cylinder barrel (1) installation position displacement sensor (8) is provided with internal thread hole, and described displacement passes
Sensor (8) is arranged on described cylinder barrel (1) by described internal thread hole.
The simple servo-cylinder of one the most according to claim 4, it is characterised in that institute
State and sealed by O-ring seals between cylinder barrel (1) and displacement transducer (8).
The simple servo-cylinder of one the most according to claim 1, it is characterised in that
The end face of the aluminium set (3) being positioned at outside the cavity of described fairlead (2) is provided with endoporus a, to put
Put described magnetic bar.
The simple servo-cylinder of one the most according to claim 1, it is characterised in that
The end face of the aluminium set (3) being positioned at the cavity of described fairlead (2) is provided with internal thread hole, and
Inductance loop (4) is installed in described internal thread hole.
The simple servo-cylinder of one the most according to claim 7, it is characterised in that institute
State mangneto ring (6) to be bolted on described inductance loop (4).
The simple servo-cylinder of one the most according to claim 1, it is characterised in that institute
State the sealing means using guiding valve between fairlead (2) and aluminium set (3), at described fairlead
(2) and the matching part of aluminium set (3), it is machined with endoporus b, described endoporus b opens flat
Weighing apparatus groove；
Every 10mm bore depth processing 36 road compensating grooves, described compensating groove is rectangle or V-arrangement,
A width of 0.3 0.7mm, is 0.2 1mm deeply, is spaced apart 0.7 2mm between per pass compensating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374851.2A CN104132022B (en) | 2014-07-30 | 2014-07-30 | A kind of simple servo-cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374851.2A CN104132022B (en) | 2014-07-30 | 2014-07-30 | A kind of simple servo-cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132022A CN104132022A (en) | 2014-11-05 |
| CN104132022B true CN104132022B (en) | 2016-08-31 |
Family
ID=51804824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410374851.2A Active CN104132022B (en) | 2014-07-30 | 2014-07-30 | A kind of simple servo-cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132022B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089406A (en) * | 2006-06-16 | 2007-12-19 | 萱场工业株式会社 | Fluid pressure cylinder unit with stroke sensor |
| CN201297304Y (en) * | 2008-10-07 | 2009-08-26 | 江苏武进液压启闭机有限公司 | Plunger oil cylinder of hydraulic hoist with travel detection device placed inside |
| CN201714733U (en) * | 2010-06-25 | 2011-01-19 | 格力乐液压系统(常州)有限公司 | Servo hydraulic oil cylinder |
| CN201757028U (en) * | 2010-08-19 | 2011-03-09 | 江苏恒立高压油缸股份有限公司 | Variable-pulp oil cylinder for wind power system |
| CN201794852U (en) * | 2010-07-26 | 2011-04-13 | 海门市油威力液压工业有限责任公司 | Built-in displacement feedback oil cylinder |
| CN202100556U (en) * | 2011-06-02 | 2012-01-04 | 汉中燎原航空机电工程有限责任公司 | Hydraulic cylinder for automatically displaying stroke |
| CN202628678U (en) * | 2012-06-15 | 2012-12-26 | 中联重科股份有限公司 | Mounting structure of magnetic sensor and concrete pumping equipment |
| CN202867422U (en) * | 2012-07-24 | 2013-04-10 | 厦门理工学院 | Hydraulic cylinder with built-in displacement sensor for displacement detection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11287214A (en) * | 1998-03-31 | 1999-10-19 | Kayaba Ind Co Ltd | Cylinder device |
-
2014
- 2014-07-30 CN CN201410374851.2A patent/CN104132022B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089406A (en) * | 2006-06-16 | 2007-12-19 | 萱场工业株式会社 | Fluid pressure cylinder unit with stroke sensor |
| CN201297304Y (en) * | 2008-10-07 | 2009-08-26 | 江苏武进液压启闭机有限公司 | Plunger oil cylinder of hydraulic hoist with travel detection device placed inside |
| CN201714733U (en) * | 2010-06-25 | 2011-01-19 | 格力乐液压系统(常州)有限公司 | Servo hydraulic oil cylinder |
| CN201794852U (en) * | 2010-07-26 | 2011-04-13 | 海门市油威力液压工业有限责任公司 | Built-in displacement feedback oil cylinder |
| CN201757028U (en) * | 2010-08-19 | 2011-03-09 | 江苏恒立高压油缸股份有限公司 | Variable-pulp oil cylinder for wind power system |
| CN202100556U (en) * | 2011-06-02 | 2012-01-04 | 汉中燎原航空机电工程有限责任公司 | Hydraulic cylinder for automatically displaying stroke |
| CN202628678U (en) * | 2012-06-15 | 2012-12-26 | 中联重科股份有限公司 | Mounting structure of magnetic sensor and concrete pumping equipment |
| CN202867422U (en) * | 2012-07-24 | 2013-04-10 | 厦门理工学院 | Hydraulic cylinder with built-in displacement sensor for displacement detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104132022A (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2724368A (en) | Working cylinder with integral cylinder head | |
| WO2005038270A1 (en) | Method and apparatus for stroke-position sensor for hydraulic cylinder | |
| CN202106354U (en) | Replacement tool with shoulder lining | |
| CN108488140A (en) | A kind of inbuilt displacement sensor formula oil cylinder | |
| CN105604521A (en) | Multifunctional compression packer rubber sleeve unit experiment device | |
| CN104132022B (en) | A kind of simple servo-cylinder | |
| CN103470571A (en) | Stroke and mounting distance-adjustable oil cylinder | |
| RU2655425C2 (en) | Anti-vibration plug for machining tubes and method for placing said plug inside a tube | |
| US9908233B2 (en) | Fastener installation tool | |
| CN102943784B (en) | Cylinder barrel, hydraulic cylinder and pumping equipment comprising hydraulic cylinder | |
| CN208505794U (en) | Detection experimental rig is ruined in the outer extrusion of petroleum pipe band bending | |
| CN107208669A (en) | Fluid pressure cylinder | |
| CN205400664U (en) | Multi -functional compression packer packing element unit experimental apparatus | |
| CN106762981B (en) | Detection means for hydraulic cylinder | |
| JP6501657B2 (en) | Hydraulic cylinder device | |
| CN204371574U (en) | A kind of high speed axial piston pump | |
| CN203463414U (en) | Oil cylinder with adjustable stroke and installation distance | |
| CN209681550U (en) | A kind of quick assembling hole elastic spring tooling | |
| CN109807249B (en) | Bimetal composite pipe expansion joint forming test device | |
| JP6677751B2 (en) | Fluid leak detection equipment and reciprocating fluid pressure equipment | |
| CN208294876U (en) | A kind of composite hydraulic cylinder | |
| CN220470361U (en) | Oil inlet structure of piston rod mandrel | |
| CN202202838U (en) | A hydraulic packer | |
| US3538575A (en) | Unitary cylinder with piston retaining means | |
| CN210423237U (en) | Oil cylinder with built-in displacement sensor and engineering machinery with oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |