CN108730259A - Hydraulic device with adjustable limiting mechanism - Google Patents
Hydraulic device with adjustable limiting mechanism Download PDFInfo
- Publication number
- CN108730259A CN108730259A CN201810612177.5A CN201810612177A CN108730259A CN 108730259 A CN108730259 A CN 108730259A CN 201810612177 A CN201810612177 A CN 201810612177A CN 108730259 A CN108730259 A CN 108730259A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- stop collar
- limiting slot
- spacer pin
- hole
- 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
Links
Classifications
-
- 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
- F15B15/1457—Piston rods
-
- 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
-
- 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
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
Abstract
The present invention provides the hydraulic devices with adjustable limiting mechanism, belong to hydraulic cylinder field.It, which solves existing hydraulic cylinder, can not avoid piston rod rotation, and the problem of can not be limited.This hydraulic device with adjustable limiting mechanism includes cylinder barrel and cylinder cap, cylinder cap is equipped with telescopic hole, it further include the piston rod stretched out from telescopic hole, piston rod bar wall is equipped with limiting slot, and limiting slot is closed at both ends, it further include the stop collar of set on the piston rod, stop collar jacket wall is equipped with internal thread limit hole, it further include the caging bolt being screwed onto on limit hole, and caging bolt end is held out against in limiting slot, and stop collar is made to be fixed with piston rod, cylinder barrel outer wall is fixed with several round shell-like guidees, cylinder barrel barrel is equipped with the pin hole with several guide aligning inners, further include spacer pin of the activity in pin hole, and spacer pin can be pushed or pull on, limit pin end movable top is set to be detached in limiting slot or with limiting slot.This hydraulic device is avoided that piston rod rotation, and has adjustable limiting.
Description
The application is filed in 15 days March in 2017, and application No. is 2017101519546, a kind of entitled band can
Adjust the divisional application of the patent of the hydraulic device of position-limit mechanism.
Technical field
The invention belongs to hydraulic cylinder technical field, it is related to the hydraulic device with adjustable limiting mechanism.
Background technology
Existing hydraulic cylinder by piston rod band piston in cylinder barrel when being moved reciprocatingly, since piston rod and cylinder cap are
Rounded engagement structure, therefore piston rod can be caused to surround own axis, it is unfavorable for certain occasions for needing to position, and certain
Occasion needs to limit piston rod outreach, but traditional hydraulic cylinder is inconvenient to be adjusted, it is therefore necessary to carry out
It improves.
Invention content
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, provides one kind and being avoided that piston rod itself
Rotation, and the hydraulic device with adjustable limiting mechanism that piston rod can be limited.
Object of the invention can be realized by the following technical scheme：Hydraulic device with adjustable limiting mechanism, including cylinder
Cylinder and the cylinder cap for being fixed on cylinder barrel front end, cylinder cap are equipped with telescopic hole, further include the piston rod stretched out from telescopic hole, feature exists
In：Piston rod bar wall is equipped with along piston rod to the fluting shape limiting slot of setting, and limiting slot is closed at both ends, telescopic hole be with
The cavernous structure of piston rod section cooperation, further includes set stop collar on the piston rod, and stop collar is located at the reversed cylinder barrel of cylinder cap one
Side, stop collar jacket wall are equipped with internal thread limit hole, further include the caging bolt being screwed onto on limit hole, and caging bolt end is pushed up
Tightly in limiting slot, and stop collar is made to be fixed with piston rod, the cylinder barrel outer wall is fixed with several round shell-like guidees, cylinder barrel cylinder
Wall is equipped with the pin hole with several guide aligning inners, further includes spacer pin of the activity in pin hole, and can push or pull on limit
Position pin, makes limit pin end movable top be detached in limiting slot or with limiting slot.
This hydraulic cylinder is coordinated using limiting slot and matched telescopic hole, and piston rod is avoided to surround own axis, and
It can utilize on the caging bolt fixed piston rod bar wall in stop collar, be withstood in limiting slot using spacer pin, with to piston rod
It is limited, and can facilitate and adjust caging bolt position, and by withstanding on different spacer pins in limiting slot, to carry out not
The limit of same distance.
In the above-mentioned hydraulic device with adjustable limiting mechanism, it is fixed with baffle ring on the spacer pin, after spacer pin
End is fixed with internal thread interstage sleeve, and guide has external screw thread, further includes the compressed spring being sleeved on spacer pin, and compressed spring both ends
Guide end and interstage sleeve bottom are withstood on respectively, and baffle ring is pushed to be against in inner wall of cylinder, and limit pin end and limiting slot at this time
Separation, and spacer pin can be pushed, so that limit pin end is withstood on limiting slot, and interstage sleeve is made to be screwed onto on guide.
Therefore stability when spacer pin withstands on limiting slot or detached with limiting slot can be improved.
In the above-mentioned hydraulic device with adjustable limiting mechanism, the pin hole hole wall is equipped with seal groove, and seal groove
It is embedded with sealing ring of the sealing shroud on spacer pin.
Play the role of sealing and anti-leakage using sealing ring.
In the above-mentioned hydraulic device with adjustable limiting mechanism, the stop collar cross section is C-shaped, and before stop collar
There is notch, stop collar can be covered on the piston rod by notch for side, and the limit hole is located at stop collar left or right side jacket wall
On.
Therefore convenient to fix stop collar from piston rod any position, it avoids by the load effect connected.
In the above-mentioned hydraulic device with adjustable limiting mechanism, the piston rod is equipped with graduation mark.
Therefore it is conveniently adjusted using graduation mark.
In the above-mentioned hydraulic device with adjustable limiting mechanism, the stop collar is that steel bushing cuts to be formed.
In the above-mentioned hydraulic device with adjustable limiting mechanism, several guidees along piston rod to it is equidistant
Cloth.
In the above-mentioned hydraulic device with adjustable limiting mechanism, the spacer pin and baffle ring are structure as a whole, and keep off
Set is screwed onto spacer pin rear end.
Therefore facilitate carry out repair and maintenance.
Compared with prior art, the invention has the advantages that：
This hydraulic cylinder is coordinated using limiting slot and matched telescopic hole, and piston rod is avoided to surround own axis, and
It can utilize on the caging bolt fixed piston rod bar wall in stop collar, be withstood in limiting slot using spacer pin, with to piston rod
It is limited, and can facilitate and adjust caging bolt position, and by withstanding on different spacer pins in limiting slot, to carry out not
The limit of same distance.
Description of the drawings
Fig. 1 is this hydraulic device partial sectional view
Fig. 2 is piston rod and stop collar cooperation schematic diagram.
In figure,
1, cylinder barrel；11, cylinder cap；12, telescopic hole；
2, piston rod；21, limiting slot；
3, stop collar；31, limit hole；32, caging bolt；
4, guide；41, pin hole；42, spacer pin；43, baffle ring；44, interstage sleeve；45, compressed spring；46, sealing ring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, hydraulic device of the present invention with adjustable limiting mechanism, including cylinder barrel 1 and it is fixed on cylinder barrel 1
The cylinder cap 11 of front end, cylinder cap 11 are equipped with telescopic hole 12, further include the piston rod 2 stretched out from telescopic hole 12, on 2 bar wall of piston rod
Equipped with the fluting shape limiting slot 21 being axially arranged along piston rod 2, and limiting slot 21 is closed at both ends, and telescopic hole 12 is and piston rod 2
The cavernous structure of section cooperation, further includes the stop collar 3 being sleeved on piston rod 2, stop collar 3 is located at 11 reversed cylinder barrel 1 one of cylinder cap
Side, 3 jacket wall of stop collar are equipped with internal thread limit hole 31, further include the caging bolt 32 being screwed onto on limit hole 31, and limit spiral shell
32 end of bolt is held out against in limiting slot 21, and stop collar 3 is made to be fixed with piston rod 2, and 1 outer wall of cylinder barrel is fixed with several round shell-like pins
Set 4,1 barrel of cylinder barrel are equipped with the pin hole 41 with 4 aligning inner of several guidees, further include spacer pin of the activity in pin hole 41
42, and spacer pin 42 can be pushed or pull on, so that 42 end movable top of spacer pin is detached in limiting slot 21 or with limiting slot 21.
Further, baffle ring 43 is fixed on spacer pin 42,42 rear end of spacer pin is fixed with internal thread interstage sleeve 44, guide 4
Further include the compressed spring 45 being sleeved on spacer pin 42, and 45 both ends of compressed spring withstand on 4 end of guide respectively with external screw thread
With 44 bottom of interstage sleeve, and baffle ring 43 is pushed to be against on 1 inner wall of cylinder barrel, and 42 end of spacer pin is detached with limiting slot 21 at this time, and
Spacer pin 42 can be pushed, so that 42 end of spacer pin is withstood on limiting slot 21, and interstage sleeve 44 is made to be screwed onto on guide 4.41 hole of pin hole
Wall is equipped with seal groove, and seal groove is embedded with sealing ring 46 of the sealing shroud on spacer pin 42.3 cross section of stop collar is C-shaped, and
There is the front side of stop collar 3 notch, stop collar 3 can be sleeved on by notch on piston rod 2, limit hole 31 be located on the left of stop collar 3 or
On the jacket wall of right side.Piston rod 2 is equipped with graduation mark.Stop collar 3 is that steel bushing cuts to be formed.Several guidees 4 are axial etc. along piston rod 2
Away from uniformly distributed.Spacer pin 42 and baffle ring 43 are structure as a whole, and interstage sleeve 44 is screwed onto 42 rear end of spacer pin.
This hydraulic cylinder is coordinated using limiting slot 21 and matched telescopic hole 12, and piston rod 2 is avoided to turn around own axes
It is dynamic, and can utilize on 32 fixed piston rod of caging bolt, the 2 bar wall in stop collar 3, withstand on limiting slot 21 using spacer pin 12
It is interior, to be limited to piston rod 2, and it can facilitate and adjust 32 position of caging bolt, and by pushing up different spacer pins 42
In limiting slot 21, to carry out the limit of different distance.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although cylinder barrel 1, cylinder cap 11, telescopic hole 12, piston rod 2, limiting slot 21, stop collar 3, limit is used more herein
The arts such as position hole 31, caging bolt 32, guide 4, pin hole 41, spacer pin 42, baffle ring 43, interstage sleeve 44, compressed spring 45, sealing ring 46
Language, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain this
The essence of invention；Any one of the additional limitations is construed as all to disagree with spirit of that invention.
Claims (5)
1. the hydraulic device with adjustable limiting mechanism, including cylinder barrel (1) and the cylinder cap (11) for being fixed on cylinder barrel (1) front end, cylinder cap
(11) it is equipped with telescopic hole (12), further includes the piston rod (2) stretched out from telescopic hole (12), it is characterised in that：Piston rod (2) bar
Wall is equipped with the fluting shape limiting slot (21) being axially arranged along piston rod (2), and limiting slot (21) is closed at both ends, telescopic hole (12)
Further include the stop collar (3) being sleeved on piston rod (2), stop collar (3) position for the cavernous structure coordinated with piston rod (2) section
In reversed cylinder barrel (1) side of cylinder cap (11), stop collar (3) jacket wall is equipped with internal thread limit hole (31), further includes being screwed onto limit
Caging bolt (32) on hole (31), and caging bolt (32) end is held out against in limiting slot (21), and make stop collar (3) and live
Stopper rod (2) is fixed, and described cylinder barrel (1) outer wall is fixed with several round shell-like guidees (4), and cylinder barrel (1) barrel is equipped with and several pins
The pin hole (41) for covering (4) aligning inner further includes spacer pin (42) of the activity in pin hole (41), and can push or pull on limit
Position pin (42) makes spacer pin (42) end movable top be detached in limiting slot (21) or with limiting slot (21)；The piston rod
(2) it is equipped with graduation mark；The stop collar (3) is that steel bushing cuts to be formed；Described pin hole (41) hole wall is equipped with seal groove, and
Seal groove is embedded with sealing ring (46) of the sealing shroud on spacer pin (42).
2. the hydraulic device according to claim 1 with adjustable limiting mechanism, it is characterised in that：The spacer pin (42)
On be fixed with baffle ring (43), spacer pin (42) rear end is fixed with internal thread interstage sleeve (44), and guide (4) has external screw thread, further includes
The compressed spring (45) being sleeved on spacer pin (42), and compressed spring (45) both ends withstand on guide (4) end and interstage sleeve respectively
(44) bottom, and baffle ring (43) is pushed to be against on cylinder barrel (1) inner wall, and spacer pin (42) end and limiting slot (21) point at this time
From, and spacer pin (42) can be pushed, so that spacer pin (42) end is withstood on limiting slot (21), and interstage sleeve (44) is made to be screwed onto guide
(4) on.
3. the hydraulic device according to claim 1 with adjustable limiting mechanism, it is characterised in that：The stop collar (3)
Cross section is C-shaped, and has notch on front side of stop collar (3), and stop collar (3) can be sleeved on by notch on piston rod (2), described
Limit hole (31) is located on the jacket wall of stop collar (3) left or right side.
4. the hydraulic device according to claim 1 with adjustable limiting mechanism, it is characterised in that：Several guidees
(4) axial equidistant uniformly distributed along piston rod (2).
5. the hydraulic device according to claim 2 with adjustable limiting mechanism, it is characterised in that：The spacer pin (42)
It is structure as a whole with baffle ring (43), and interstage sleeve (44) is screwed onto spacer pin (42) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612177.5A CN108730259B (en) | 2017-03-15 | 2017-03-15 | Hydraulic device with adjustable limiting mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612177.5A CN108730259B (en) | 2017-03-15 | 2017-03-15 | Hydraulic device with adjustable limiting mechanism |
| CN201710151954.6A CN106837920B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with adjustable limiting mechanism |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151954.6A Division CN106837920B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with adjustable limiting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108730259A true CN108730259A (en) | 2018-11-02 |
| CN108730259B CN108730259B (en) | 2020-05-01 |
Family
ID=59144703
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640768.3A Active CN108757633B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with position-limit mechanism |
| CN201710151954.6A Expired - Fee Related CN106837920B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with adjustable limiting mechanism |
| CN201810612177.5A Active CN108730259B (en) | 2017-03-15 | 2017-03-15 | Hydraulic device with adjustable limiting mechanism |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640768.3A Active CN108757633B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with position-limit mechanism |
| CN201710151954.6A Expired - Fee Related CN106837920B (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic device with adjustable limiting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108757633B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958492A (en) * | 2019-03-22 | 2019-07-02 | 东风商用车有限公司 | A kind of adjustable type engines brake actuator and its application method |
| CN109958492B (en) * | 2019-03-22 | 2024-04-23 | 东风商用车有限公司 | Adjustable engine brake actuating mechanism and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714338A (en) * | 2018-07-27 | 2018-10-30 | 新昌县营道科技有限公司 | A kind of adjustable clarifier filter device and its application method |
| CN111721666A (en) * | 2020-06-29 | 2020-09-29 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Coal mining subsidence crack area reconsitution soil moisture survey device |
| CN111997957B (en) * | 2020-07-31 | 2021-11-26 | 清华大学 | Hydraulic cylinder and control rod hydraulic drive system |
| CN112284815A (en) * | 2020-09-08 | 2021-01-29 | 中国水利水电科学研究院 | Large-capacity water sampler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119017A (en) * | 1977-03-23 | 1978-10-10 | Phd, Inc. | Non-rotatable fluid power cylinder |
| US5577433A (en) * | 1995-09-06 | 1996-11-26 | Henry; Michael F. | Regulated speed linear actuator |
| CN1724882A (en) * | 2004-07-22 | 2006-01-25 | 杨世祥 | Two-stage screw internal foodback digital fluid cylinder |
| CN103899595A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Optional-position lockable hydraulic cylinder |
| CN205991046U (en) * | 2016-07-26 | 2017-03-01 | 中石化石油机械股份有限公司压缩机分公司 | A kind of new adjustable clearance cylinder |
| CN206000803U (en) * | 2016-08-31 | 2017-03-08 | 常州液压成套设备厂有限公司 | Automatic hydraulic locks servomotor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143104A (en) * | 1983-12-30 | 1985-07-29 | Kokusan Kinzoku Kogyo Co Ltd | Adjusting device of piston rod for caulking device and the like |
| JP3559213B2 (en) * | 2000-03-03 | 2004-08-25 | 株式会社半導体先端テクノロジーズ | Load port and production method using it |
| GB0301095D0 (en) * | 2003-01-17 | 2003-02-19 | Gibbs Tech Ltd | Actuator |
| CN2878760Y (en) * | 2006-03-09 | 2007-03-14 | 裘洪立 | Side-status cylinder |
| CN202118026U (en) * | 2011-03-23 | 2012-01-18 | 宝山钢铁股份有限公司 | Hydraulic cylinder capable of realizing self-reversing and continuous reciprocating movement |
| CN102221030B (en) * | 2011-06-17 | 2013-01-23 | 中联重科股份有限公司 | Hydro-cylinder assembly with adjustable stroke and pin inserting and drawing mechanism of positioning device |
| CN103851010B (en) * | 2012-12-06 | 2017-06-23 | 广东顺德普南气动科技有限公司 | Cylinder |
| CN104989699B (en) * | 2015-08-04 | 2017-01-25 | 山东同力液压装备有限公司 | Reinforced self-locking wind-power hydraulic cylinder |
| CN205315385U (en) * | 2016-01-22 | 2016-06-15 | 枣庄市达源液压设备有限公司 | Simple and easy pneumatic cylinder |
| CN205503623U (en) * | 2016-04-12 | 2016-08-24 | 山东达睿智能设备股份有限公司 | Novel hydraulic pressure machinery |
| CN205559404U (en) * | 2016-04-12 | 2016-09-07 | 山东达睿智能设备股份有限公司 | High strength hydraulic pressure machinery |
| CN206801990U (en) * | 2017-03-15 | 2017-12-26 | 桐乡市乌镇润桐嘉业机械维修中心 | A kind of hydraulic means with adjustable limiting mechanism |
-
2017
- 2017-03-15 CN CN201810640768.3A patent/CN108757633B/en active Active
- 2017-03-15 CN CN201710151954.6A patent/CN106837920B/en not_active Expired - Fee Related
- 2017-03-15 CN CN201810612177.5A patent/CN108730259B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119017A (en) * | 1977-03-23 | 1978-10-10 | Phd, Inc. | Non-rotatable fluid power cylinder |
| US5577433A (en) * | 1995-09-06 | 1996-11-26 | Henry; Michael F. | Regulated speed linear actuator |
| CN1724882A (en) * | 2004-07-22 | 2006-01-25 | 杨世祥 | Two-stage screw internal foodback digital fluid cylinder |
| CN103899595A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Optional-position lockable hydraulic cylinder |
| CN205991046U (en) * | 2016-07-26 | 2017-03-01 | 中石化石油机械股份有限公司压缩机分公司 | A kind of new adjustable clearance cylinder |
| CN206000803U (en) * | 2016-08-31 | 2017-03-08 | 常州液压成套设备厂有限公司 | Automatic hydraulic locks servomotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958492A (en) * | 2019-03-22 | 2019-07-02 | 东风商用车有限公司 | A kind of adjustable type engines brake actuator and its application method |
| CN109958492B (en) * | 2019-03-22 | 2024-04-23 | 东风商用车有限公司 | Adjustable engine brake actuating mechanism and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108757633B (en) | 2019-11-22 |
| CN106837920B (en) | 2018-09-25 |
| CN108730259B (en) | 2020-05-01 |
| CN108757633A (en) | 2018-11-06 |
| CN106837920A (en) | 2017-06-13 |
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