CN107673212A - A kind of antichattering system of crane - Google Patents
A kind of antichattering system of crane Download PDFInfo
- Publication number
- CN107673212A CN107673212A CN201711108309.2A CN201711108309A CN107673212A CN 107673212 A CN107673212 A CN 107673212A CN 201711108309 A CN201711108309 A CN 201711108309A CN 107673212 A CN107673212 A CN 107673212A
- Authority
- CN
- China
- Prior art keywords
- electric block
- reel
- drawstring
- antichattering system
- fixedly connected
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The present invention relates to crane field, more particularly to a kind of antichattering system of crane, including portal frame and travel mechanism, the travel mechanism is arranged right below antichattering system, the travel mechanism includes spaced first electric block and the second electric block, the both sides of first electric block are equipped with connecting plate, drawstring is equipped with first electric block and the second electric block, clamping piece is arranged with the drawstring, the antichattering system includes hanging hook assembly and the guidance set with being fixedly connected at the top of hanging hook assembly.The present invention depressurizes four end spring designs of part by using the buffering in hanger bulk, manually can push drawstring by the clamping piece set on drawstring and tighten, so as to reduce the rolling power in the horizontal direction and vertical direction of object；Its is simple in construction, it is possible to increase the safe operation coefficient when suspending object in midair, and the service life of equipment can be improved.
Description
Technical field
The present invention relates to crane field, more particularly to a kind of antichattering system of crane.
Background technology
Crane refers to more action hoisting machineries of vertical-lift within the specific limits and horizontal carrying heavy goods.Also known as day
Car, hanging, crane.Bridge crane is that crossbearer carries out the crane gear of material handling in workshop, warehouse and stock ground overhead.Due to
Its both ends are seated on tall and big concrete column or metallic support, and shape is like bridge.The crane span structure edge of bridge crane is laid on two
Track on side is overhead is longitudinally running, can make full use of the space handling material below crane span structure, not hindered by ground installation.
It is a kind of hoisting machinery that use range is most wide, quantity is most.Existing bridge crane passes through the hook under mobile device
By object suspension, mobile device moves at the top of the straddle truck of bridge crane, so as to realize the movement of lifting object；It is but same
When such a structure also there is it is certain the defects of, its problem is, when loads is just lifted by crane, loads can produce level side
Upward rocks so that the safety coefficient in operating environment reduces, and most hook when unloading thing, it is necessary to manually stir hook
On skid-prevention button, loads is left hook, increase manual labor.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of antichattering system of crane.
To solve the above problems, the present invention provides following technical scheme：
A kind of antichattering system of crane, including portal frame and be arranged on portal frame top slide coordinate moving machine
Structure, the travel mechanism is arranged right below antichattering system, and the travel mechanism includes spaced first electric block
With the second electric block, the both sides of first electric block are equipped with connecting plate, and the both ends of each connecting plate pass through bolt point
It is not fixedly connected with the first electric block and the second electric block, and the company of being bolted between the center of two connecting plates
Connect, drawstring is equipped with first electric block and the second electric block, and the first electric block and the second electric block lead to
Cross drawstring to be connected with antichattering system, be arranged with clamping piece on the drawstring, the antichattering system include hanging hook assembly and with
The guidance set being fixedly connected at the top of hanging hook assembly.
Further, first electric block includes the first motor, the first transmission mechanism and the first reel, the first electricity
Motivation is rotatably assorted with the first transmission mechanism, and the output end of the first motor is fixedly connected with the first reel, first reel
One end be provided with the first rope guide for being bolted to connection, the other end of the first reel is provided with several around its axis in circle
First binding yarn part of week distribution, each first binding yarn part are bolted to connection with the first reel, first electricity
Drawstring one end on dynamic cucurbit is passed through from all first binding yarn parts, and its other end is passed from the first rope guide and connected with guidance set
Connect.
Further, second electric block includes the second motor, the second transmission mechanism and the second reel, the second electricity
Motivation is rotatably assorted with the second transmission mechanism, and the output end of the second motor is fixedly connected with the second reel, second reel
One end be provided with the second rope guide for being bolted to connection, the other end of the second reel is provided with several around its axis in circle
Second binding yarn part of week distribution, each second binding yarn part are bolted to connection with the second reel, second electricity
Drawstring one end on dynamic cucurbit is passed through from all second binding yarn parts, and its other end is passed from the second rope guide and connected with guidance set
Connect.
Further, the guidance set includes connector and through the dead axle at the top of connector, is set on the dead axle
There are two to be respectively used to the guide wheel that two drawstrings are oriented to, the axis of two guide wheels overlaps with the axis of dead axle, the connecting plate
Bottom is provided with and extends downwardly and be secured to the extension board being connected to form one, and the extension board is rectangular frame structure.
Further, the hanging hook assembly includes hanger bulk and with being fixedly connected to form integral delay at the top of hanger bulk
Casting die is eaten up part of, buffering decompression part is two cylinders staggeredly fixed cross-shaped configuration formed, and four ends for buffering decompression part are equal
Provided with spring, four inwalls of the extension board are provided with the holding tank fixed for four springs, the both ends point of each spring
It is not fixedly connected with buffering decompression part and extension board.
Further, the top of the hanger bulk is provided with anti-skidding component, the anti-skidding component include skid-prevention button and with hook
The articulated elements that body is fixedly connected, one end and the articulated elements of skid-prevention button are hinged, and the other end of skid-prevention button, which is provided with, to be secured to connect
Electric pushrod, the hanger bulk be provided with for electric pushrod fix mounting groove.
Further, each clamping piece is provided with the through hole passed through for two drawstrings.
Beneficial effect：A kind of antichattering system of crane of the present invention, passes through the first electric block and the second electronic calabash
Reed can be such that antichattering system is moved back and forth at the top of portal frame, and four end springs of part are depressurized using the buffering in hanger bulk
Design, when object is just lifted, by the mutual elastic force of four springs can to object rocking in the horizontal direction
Power enter row buffering decompression, drawstring can manually be pushed and tightened by the clamping piece set on drawstring, so as to by hanger bulk with
Tensioned state is between two drawstrings, reduces the rolling power on object vertical direction；Can by the expansion link of electric pushrod
Realization automatically opens up skid-prevention button, object is separated with hanger bulk without manually stirring skid-prevention button, reduces labour；Its
It is simple in construction, it is possible to increase the safe operation coefficient when suspending object in midair, and the service life of equipment can be improved.
Brief description of the drawings
Fig. 1 is the sectional perspective structural representation one of the present invention；
Fig. 2 is the sectional perspective structural representation two of the present invention；
Fig. 3 is the sectional perspective structural representation three of the present invention；
Fig. 4 is the broken section dimensional structure diagram of the present invention；
Fig. 5 is the sectional perspective structural representation four of the present invention；
Fig. 6 is the enlarged drawing at A in Fig. 5；
Description of reference numerals：Portal frame 1, travel mechanism 2, the first electric block 2a, the first motor 2a1, first is driven
Mechanism 2a2, the first reel 2a3, the first rope guide 2a4, the first binding yarn part 2a5, the second electric block 2b, the second motor 2b1,
Second transmission mechanism 2b2, the second reel 2b3, the second rope guide 2b4, the second binding yarn part 2b5, connecting plate 2c, antichattering system 3,
Hanging hook assembly 3a, hanger bulk 3a1, buffering decompression part 3a2, spring 3a3, guidance set 3b, connector 3b1, dead axle 3b2, lead
Take turns 3b3, extension board 3b4, anti-skidding component 3c, skid-prevention button 3c1, articulated elements 3c2, electric pushrod 3c3, drawstring 4, clamping piece 5.
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
Referring to figs. 1 to a kind of antichattering system of crane shown in Fig. 6, including portal frame 1 and it is arranged on and portal frame 1
The travel mechanism 2 that top slide coordinates, the travel mechanism 2 is arranged right below antichattering system 3, and the travel mechanism 2 wraps
Spaced first electric block 2a and the second electric block 2b are included, the both sides of the first electric block 2a are equipped with connection
Plate 2c, each connecting plate 2c both ends are fixedly connected with the first electric block 2a and the second electric block 2b respectively by bolt,
And it is bolted to connection between two connecting plate 2c center, the first electric block 2a and the second electric block 2b
On be equipped with drawstring 4, and the first electric block 2a and the second electric block 2b are connected by drawstring 4 with antichattering system 3, described
Clamping piece 5 is arranged with drawstring 4, the antichattering system 3 includes hanging hook assembly 3a and with being fixedly connected at the top of hanging hook assembly 3a
Guidance set 3b, by the first electric block 2a and the second electric block 2b driving can make antichattering system 3 in portal frame 1
Top movement, drawstring 4 can manually be pushed and tightened by the clamping piece 5 set on drawstring 4, so as to by hanger bulk 3a1
Tensioned state is between two drawstrings 4, reduces the rolling power on object vertical direction, antichattering system 3 can reduce thing
Rolling power in body horizontal direction, so that article is steadily carried out during suspention, improve safe operation coefficient.
The first electric block 2a includes the first motor 2a1, the first transmission mechanism 2a2 and the first reel 2a3, and first
Motor 2a1 is rotatably assorted with the first transmission mechanism 2a2, and the first motor 2a1 output end is fixed with the first reel 2a3 to be connected
Connect, one end of the first reel 2a3 is provided with the first rope guide 2a4 being bolted to connection, and the first reel 2a3's is another
End is provided with several first binding yarn part 2a5 for being circumferentially distributed around its axis, and each first binding yarn part 2a5 is and the first volume
Cylinder 2a3 is bolted to connection, and one end of drawstring 4 on the first electric block 2a passes through from all first binding yarn part 2a5,
Its other end is passed from the first rope guide 2a4 and is connected with guidance set 3b, can make the first reel by the first motor 2a1
2a3 rotates, consequently facilitating the folding and unfolding of drawstring 4, the cooperation between the first binding yarn part 2a5 and the first rope guide 2a4, Neng Goubian
In the winding regular on the first reel 2a3 of drawstring 4, prevent drawstring 4 from occurring at random and situation that is blocking hair during folding and unfolding
It is raw.
The second electric block 2b includes the second motor 2b1, the second transmission mechanism 2b2 and the second reel 2b3, and second
Motor 2b1 is rotatably assorted with the second transmission mechanism 2b2, and the second motor 2b1 output end is fixed with the second reel 2b3 to be connected
Connect, one end of the second reel 2b3 is provided with the second rope guide 2b4 being bolted to connection, and the second reel 2b3's is another
End is provided with several second binding yarn part 2b5 for being circumferentially distributed around its axis, and each second binding yarn part 2b5 is and volume Two
Cylinder 2b3 is bolted to connection, and one end of drawstring 4 on the second electric block 2b passes through from all second binding yarn part 2b5,
Its other end is passed from the second rope guide 2b4 and is connected with guidance set 3b, can make the second reel by the second motor 2b1
2b3 rotates, consequently facilitating the folding and unfolding of drawstring 4, the cooperation between the second binding yarn part 2b5 and the second rope guide 2b4, Neng Goubian
In the winding regular on the second reel 2b3 of drawstring 4, prevent drawstring 4 from occurring at random and situation that is blocking hair during folding and unfolding
It is raw.
The guidance set 3b includes connector 3b1 and through the dead axle 3b2, the dead axle 3b2 at the top of connector 3b1
Two axis for being respectively used to guide wheel 3b3, two guide wheel 3b3 that two drawstrings are oriented to are provided with to overlap with dead axle 3b2 axis,
The bottom of the connecting plate 2c is provided with the extension board 3b4 for extending downwardly and being secured to and be connected to form one, and extension board 3b4 is
Rectangular frame structure, by being connected between two guide wheel 3b3 and two drawstrings 4, it is easy to the stable folding and unfolding of drawstring 4.
The hanging hook assembly 3a includes hanger bulk 3a1 and with being fixedly connected to form integral delay at the top of hanger bulk 3a1
Casting die 3a2 is eaten up part of, buffering decompression part 3a2 is two cylinders staggeredly fixed cross-shaped configuration formed, and buffers decompression part 3a2
Four ends be equipped with spring 3a3, the extension board 3b4 four inwalls and be provided with holding tank for four spring 3a3 installation, each
The both ends of the spring 3a3 are fixedly connected with buffering decompression part 3a2 and extension board 3b4 respectively, utilize delaying on hanger bulk 3a1
Casting die 3a2 four end spring 3a3 designs are eaten up part of, when object is just lifted, pass through the mutual spring energies of four spring 3a3
It is enough that buffering decompression is carried out to the rolling power of object in the horizontal direction, so as to reduce the rolling power of object in the horizontal direction.
The top of the hanger bulk 3a1 is provided with anti-skidding component 3c, anti-skidding component 3c include skid-prevention button 3c1 and with hook
The articulated elements 3c2 that body 3a1 is fixedly connected, skid-prevention button 3c1 one end are hinged with articulated elements 3c2, and the skid-prevention button 3c1 other end is set
There are the electric pushrod 3c3, the hanger bulk 3a1 that are secured to connection to be provided with the mounting groove fixed for electric pushrod 3c3, lead to
Cross electric pushrod 3c3 driving and can realize and automatically open up skid-prevention button 3c1, stir skid-prevention button 3c1 without artificial and make thing
Body separates with hanger bulk 3a1, so as to reduce manual labor.
Each clamping piece 5 is provided with the through hole passed through for two drawstrings 4, is easy to clamping piece 5 to be slided on drawstring 4.
Operation principle：The present invention can make antichattering system 3 exist by the first electric block 2a and the second electric block 2b
The top of portal frame 1 moves back and forth, and is designed using the four end spring 3a3 of the buffering decompression part 3a2 on hanger bulk 3a1, works as thing
When body is just lifted, the rolling power of object in the horizontal direction can be carried out by elastic force mutual four spring 3a3
Buffering decompression, drawstring 4 can manually be pushed and tightened by the clamping piece 5 set on drawstring 4, so as to by hanger bulk 3a1 with
Tensioned state is between two drawstrings 4, reduces the rolling power on object vertical direction；Pass through electric pushrod 3c3 expansion link
It can realize and automatically open up skid-prevention button 3c1, object is separated with hanger bulk 3a1 without manually stirring skid-prevention button 3c1,
Reduce labour；Its is simple in construction, it is possible to increase the safe operation coefficient when suspending object in midair, and the use longevity of equipment can be improved
Life.
The above described is only a preferred embodiment of the present invention, any limit not is made to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (7)
- A kind of 1. antichattering system of crane, it is characterised in that：Including portal frame (1) and it is arranged on and portal frame (1) top The travel mechanism (2) being slidably matched, the travel mechanism (2) are arranged right below antichattering system (3), the travel mechanism (2) spaced first electric block (2a) and the second electric block (2b) are included, the two of first electric block (2a) Side is equipped with connecting plate (2c), and the both ends of each connecting plate (2c) are electric with the first electric block (2a) and second respectively by bolt Dynamic cucurbit (2b) is fixedly connected, and is bolted to connection between the center of two connecting plates (2c), and described first is electronic Drawstring (4), and the first electric block (2a) and the second electric block are equipped with cucurbit (2a) and the second electric block (2b) (2b) is connected by drawstring (4) with antichattering system (3), and clamping piece (5), the anti-rock dress are arranged with the drawstring (4) Putting (3) includes hanging hook assembly (3a) and the guidance set (3b) with being fixedly connected at the top of hanging hook assembly (3a).
- A kind of 2. antichattering system of crane according to claim 1, it is characterised in that：First electric block (2a) includes the first motor (2a1), the first transmission mechanism (2a2) and the first reel (2a3), the first motor (2a1) and the One transmission mechanism (2a2) is rotatably assorted, and the output end of the first motor (2a1) is fixedly connected with the first reel (2a3), and described One end of one reel (2a3) is provided with the first rope guide (2a4) being bolted to connection, the other end of the first reel (2a3) Provided with the first binding yarn part (2a5) that several are circumferentially distributed around its axis, each first binding yarn part (2a5) is with first Reel (2a3) is bolted to connection, and drawstring (4) one end on first electric block (2a) is from all first binding yarn parts (2a5) is passed through, and its other end is passed from the first rope guide (2a4) and is connected with guidance set (3b).
- A kind of 3. antichattering system of crane according to claim 2, it is characterised in that：Second electric block (2b) includes the second motor (2b1), the second transmission mechanism (2b2) and the second reel (2b3), the second motor (2b1) and the Two transmission mechanisms (2b2) are rotatably assorted, and the output end of the second motor (2b1) is fixedly connected with the second reel (2b3), and described One end of two reels (2b3) is provided with the second rope guide (2b4) being bolted to connection, the other end of the second reel (2b3) Provided with the second binding yarn part (2b5) that several are circumferentially distributed around its axis, each second binding yarn part (2b5) is with second Reel (2b3) is bolted to connection, and drawstring (4) one end on second electric block (2b) is from all second binding yarn parts (2b5) is passed through, and its other end is passed from the second rope guide (2b4) and is connected with guidance set (3b).
- A kind of 4. antichattering system of crane according to claim 1, it is characterised in that：Guidance set (3b) bag The dead axle (3b2) at the top of connector (3b1) and through-connections (3b1) is included, the dead axle (3b2) is respectively used to provided with two The guide wheel (3b3) that two drawstrings are oriented to, the axis of two guide wheels (3b3) overlap with the axis of dead axle (3b2), the connecting plate The bottom of (2c) is provided with the extension board (3b4) for extending downwardly and being secured to and be connected to form one, and the extension board (3b4) is rectangle Frame structure.
- A kind of 5. antichattering system of crane according to claim 4, it is characterised in that：Hanging hook assembly (3a) bag Include hanger bulk (3a1) and with being fixedly connected to form integral buffering decompression part (3a2), the buffering at the top of hanger bulk (3a1) It is two cylinders staggeredly fixed cross-shaped configuration formed, and four ends for buffering decompression part (3a2) are equipped with bullet to depressurize part (3a2) Spring (3a3), four inwalls of the extension board (3b4) are provided with for the fixed holding tank of four springs (3a3), each spring The both ends of (3a3) are fixedly connected with buffering decompression part (3a2) and extension board (3b4) respectively.
- A kind of 6. antichattering system of crane according to claim 5, it is characterised in that：The hanger bulk (3a1) Top be provided with anti-skidding component (3c), the anti-skidding component (3c) includes skid-prevention button (3c1) and is fixedly connected with hanger bulk (3a1) Articulated elements (3c2), one end of skid-prevention button (3c1) is be hinged with articulated elements (3c2), and the other end of skid-prevention button (3c1) is provided with and it The electric pushrod (3c3) being fixedly connected, the hanger bulk (3a1) are provided with for the fixed mounting groove of electric pushrod (3c3).
- A kind of 7. antichattering system of crane according to claim 1, it is characterised in that：Each clamping piece (5) It is provided with the through hole passed through for two drawstrings (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108309.2A CN107673212A (en) | 2017-11-09 | 2017-11-09 | A kind of antichattering system of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108309.2A CN107673212A (en) | 2017-11-09 | 2017-11-09 | A kind of antichattering system of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107673212A true CN107673212A (en) | 2018-02-09 |
Family
ID=61145800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711108309.2A Pending CN107673212A (en) | 2017-11-09 | 2017-11-09 | A kind of antichattering system of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107673212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439210A (en) * | 2018-05-02 | 2018-08-24 | 燕山大学 | A kind of pull-down crane anti-shaking device |
| CN108466931A (en) * | 2018-05-02 | 2018-08-31 | 燕山大学 | A kind of crane anti-shaking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203877728U (en) * | 2014-06-19 | 2014-10-15 | 国网四川省电力公司成都市新都供电分公司 | Bridge type lifting hanging mechanism for hydropower station |
| CN204162315U (en) * | 2014-09-17 | 2015-02-18 | 合肥市宏发起重机有限公司 | A kind of dicycly hoisting crane |
| CN104495606A (en) * | 2014-12-16 | 2015-04-08 | 山东迪龙电缆有限公司 | Double-pulley lifting hook |
| US20150203334A1 (en) * | 2014-01-17 | 2015-07-23 | Mi-Jack Products, Inc. | Crane Trolley and Hoist Position Homing and Velocity Synchronization |
| CN105417357A (en) * | 2015-12-30 | 2016-03-23 | 安徽省超盛起重机械有限公司 | Crane hook |
-
2017
- 2017-11-09 CN CN201711108309.2A patent/CN107673212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150203334A1 (en) * | 2014-01-17 | 2015-07-23 | Mi-Jack Products, Inc. | Crane Trolley and Hoist Position Homing and Velocity Synchronization |
| CN203877728U (en) * | 2014-06-19 | 2014-10-15 | 国网四川省电力公司成都市新都供电分公司 | Bridge type lifting hanging mechanism for hydropower station |
| CN204162315U (en) * | 2014-09-17 | 2015-02-18 | 合肥市宏发起重机有限公司 | A kind of dicycly hoisting crane |
| CN104495606A (en) * | 2014-12-16 | 2015-04-08 | 山东迪龙电缆有限公司 | Double-pulley lifting hook |
| CN105417357A (en) * | 2015-12-30 | 2016-03-23 | 安徽省超盛起重机械有限公司 | Crane hook |
Non-Patent Citations (1)
| Title |
|---|
| 中国重型机械工业协会: "《中国重型机械选型手册 物料搬运机械》", 30 April 2015, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439210A (en) * | 2018-05-02 | 2018-08-24 | 燕山大学 | A kind of pull-down crane anti-shaking device |
| CN108466931A (en) * | 2018-05-02 | 2018-08-31 | 燕山大学 | A kind of crane anti-shaking device |
| CN108466931B (en) * | 2018-05-02 | 2019-08-27 | 燕山大学 | A kind of crane anti-shaking device |
| CN108439210B (en) * | 2018-05-02 | 2020-01-07 | 燕山大学 | Anti-shaking device of pull-down crane |
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Application publication date: 20180209 |
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