CN106115565A - The hoisting mechanism of forklift - Google Patents

The hoisting mechanism of forklift Download PDF

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Publication number
CN106115565A
CN106115565A CN201610555479.4A CN201610555479A CN106115565A CN 106115565 A CN106115565 A CN 106115565A CN 201610555479 A CN201610555479 A CN 201610555479A CN 106115565 A CN106115565 A CN 106115565A
Authority
CN
China
Prior art keywords
lifting cover
pallet fork
pressure sensor
column
oil cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610555479.4A
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Chinese (zh)
Other versions
CN106115565B (en
Inventor
项卫锋
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.)
Anhui Yu Feng Storage Facilities Co Ltd
Original Assignee
Anhui Yu Feng Storage Facilities 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 Anhui Yu Feng Storage Facilities Co Ltd filed Critical Anhui Yu Feng Storage Facilities Co Ltd
Priority to CN201610555479.4A priority Critical patent/CN106115565B/en
Publication of CN106115565A publication Critical patent/CN106115565A/en
Application granted granted Critical
Publication of CN106115565B publication Critical patent/CN106115565B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • B66F9/16Platforms; Forks; Other load supporting or gripping members inclinable relative to mast
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/0755Position control; Position detectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/07559Stabilizing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic devices or systems

Abstract

The present invention proposes the hoisting mechanism of a kind of forklift, and including base, the both sides of base are respectively arranged with the first column and second column of vertical direction;Being slidably equipped with the first lifting cover on first column, the lower hinge of the first lifting cover has the first pallet fork;Being slidably equipped with the second lifting cover on second column, the lower hinge of the second lifting cover has the second pallet fork;First pallet fork is provided with the first proximal pressure sensor and the first distal pressure sensor;Second pallet fork is provided with the second proximal pressure sensor and the second distal pressure sensor.Present configuration is simple, reasonable in design;First pallet fork and the second pallet fork individually control, the most stable by the center of gravity of goods on the first proximal pressure sensor, the first distal pressure sensor, the second proximal pressure sensor and the second distal pressure sensor monitoring pallet fork, controller adjusts the first pallet fork and the relative altitude of the second pallet fork or the first pallet fork and the respective angle of inclination of the second pallet fork according to the measurement data of each pressure transducer.

Description

The hoisting mechanism of forklift
Technical field
The present invention relates to field of mechanical technique, the hoisting mechanism of a kind of forklift.
Background technology
Forklift is mainly used in goods carrying and heap is high, is widely used in numerous needs the such as factory, warehouse and harbour and loads and unloads goods The place of thing, it has easy to operate, efficiency advantages of higher.
During use, control drive assembly by handle assembly thus realize the operations such as the traveling of forklift, turning, also may be used Control drive assembly by handle assembly thus realize control to door frame assembly, goods is loaded and unloaded, transport, stacking etc. Operation.But, the forklift sold in the market there is also some problems, and in door frame assembly, pallet fork can only be fixed on one Individual angle, unadjustable, usually keep level, such goods easily departs from pallet fork in transportation because of vibrations, And the shape transporting goods is had relatively strict requirements, the most columned goods is easy to when transporting on this forklift Drop.
Summary of the invention
The present invention proposes the hoisting mechanism of a kind of forklift, solves the pallet fork of forklift in prior art unadjustable, Goods easily departs from, the problem causing potential safety hazard.
The technical scheme is that and be achieved in that:
The hoisting mechanism of a kind of forklift, including base, the both sides of described base are respectively arranged with the first of vertical direction Column and the second column;
It is slidably equipped with the first lifting cover on described first column, in described first lifting cover, is provided with the first hoist cylinder, institute The lower end stating the first hoist cylinder is arranged on described base, and the upper end of described first hoist cylinder is arranged on described first lifting In cover;The lower hinge of described first lifting cover has the first pallet fork, the head of described first pallet fork to stretch out described first lifting cover, The tail end of described first pallet fork is positioned at described first lifting cover;The first rotary oil cylinder, institute it is provided with in described first lifting cover State the first rotary oil cylinder and be positioned at the top of described first pallet fork, the piston rod of described first rotary oil cylinder and described first pallet fork Tail end connects;
It is slidably equipped with the second lifting cover on described second column, in described second lifting cover, is provided with the second hoist cylinder, institute The lower end stating the second hoist cylinder is arranged on described base, and the upper end of described second hoist cylinder is arranged on described second lifting In cover;The lower hinge of described second lifting cover has the second pallet fork, the head of described second pallet fork to stretch out described second lifting cover, The tail end of described second pallet fork is positioned at described second lifting cover;The second rotary oil cylinder, institute it is provided with in described second lifting cover State the second rotary oil cylinder and be positioned at the top of described second pallet fork, the piston rod of described second rotary oil cylinder and described second pallet fork Tail end connects;
Described first pallet fork is provided with near the first proximal pressure sensor of described first lifting cover with away from described the First distal pressure sensor of one lifting cover;
Described second pallet fork is provided with near the second proximal pressure sensor of described second lifting cover with away from described the Second distal pressure sensor of two lifting covers;
Described first proximal pressure sensor, the first distal pressure sensor, the second proximal pressure sensor and second are remote End pressure sensor and described first hoist cylinder of control, the first rotary oil cylinder, the second hoist cylinder and the second rotary oil cylinder work The controller made is connected.
Further, the upper end of described first hoist cylinder is arranged on the top within described first lifting cover;Described The upper end of two hoist cylinders is arranged on the top within described second lifting cover.
Further, described first column and the second column are provided with chute, described first lifting cover and the second lifting Being provided with slide rail on cover, described slide rail is slidedly arranged in described chute.
Further, between described first column and the second column, connection has bracing piece.
Further, described first rotary oil cylinder is hinged with described first lifting cover fixing;Described second rotary oil cylinder with Described second lifting cover is hinged fixing.
Further, moved upward for the tail end limiting described first pallet fork it is provided with in described first lifting cover Stopping means in one;It is provided with in second that the tail end limiting described second pallet fork moves upward in described second lifting cover Stopping means.
Further, described first lifting cover is outside equipped with moved downward for the head limiting described first pallet fork One outer stopping means;Described second lifting cover is outside equipped with outside second that the head limiting described second pallet fork moves downward Stopping means.
Further, between described first lifting cover and the second lifting cover, connection has connecting rod, the two ends of described connecting rod It is respectively hinged on described first lifting cover and the second lifting cover.
Further, the lower head of described first pallet fork is provided with the first roller;The lower head of described second pallet fork It is provided with the second roller.
The invention have the benefit that
Present configuration is simple, reasonable in design;First pallet fork and the second pallet fork individually control, and are passed by the first proximal pressure Goods on sensor, the first distal pressure sensor, the second proximal pressure sensor and the second distal pressure sensor monitoring pallet fork Center of gravity whether stable, controller according to the measurement data of each pressure transducer to the first hoist cylinder, the second hoist cylinder, the One rotary oil cylinder and the second rotary oil cylinder send working signal, adjust the first pallet fork and the relative altitude of the second pallet fork or first Pallet fork and the respective angle of inclination of the second pallet fork.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the side structure schematic diagram of one embodiment of the invention.
Wherein:
1, base;2, the first column;3, the first lifting cover;4, the first hoist cylinder;5, the first pallet fork;6, first rotates oil Cylinder;7, the first proximal pressure sensor;8, the first distal pressure sensor;9, chute;10, slide rail;11, spacing dress in first Put;16, the first outer stopping means;17, the first roller.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the hoisting mechanism of the forklift in the present embodiment, including base 1, the both sides of described base 1 are respectively It is provided with the first column 2 and the second column of vertical direction.The hoisting mechanism of the forklift in the present embodiment is symmetrical knot Structure, the most only explanation as a example by Fig. 1.
It is slidably equipped with the first lifting cover 3 on described first column 2, in described first lifting cover 3, is provided with the first hoist cylinder 4, the lower end of described first hoist cylinder 4 is arranged on described base 1, and the upper end of described first hoist cylinder 4 is arranged on described In first lifting cover 3;The lower hinge of described first lifting cover 3 has the first pallet fork 5, the head of described first pallet fork 5 to stretch out institute Stating the first lifting cover 3, the tail end of described first pallet fork 5 is positioned at described first lifting cover 3;Arrange in described first lifting cover 3 The first rotary oil cylinder 6, described first rotary oil cylinder 6 is had to be positioned at the top of described first pallet fork 5, described first rotary oil cylinder 6 Piston rod is connected with the tail end of described first pallet fork 5.
It is slidably equipped with the second lifting cover on described second column, in described second lifting cover, is provided with the second hoist cylinder, institute The lower end stating the second hoist cylinder is arranged on described base 1, and the upper end of described second hoist cylinder is arranged on described second liter In fall cover;The lower hinge of described second lifting cover has the second pallet fork, the head of described second pallet fork to stretch out described second lifting Cover, the tail end of described second pallet fork is positioned at described second lifting cover;It is provided with the second rotary oil cylinder in described second lifting cover, Described second rotary oil cylinder is positioned at the top of described second pallet fork, the piston rod of described second rotary oil cylinder and described second pallet fork Tail end connect.
Described first pallet fork 5 is provided with near the first proximal pressure sensor 7 of described first lifting cover 3 with away from described First distal pressure sensor 8 of the first lifting cover 3;It is second near that described second pallet fork is provided with near described second lifting cover End pressure sensor and the second distal pressure sensor away from described second lifting cover.
Described first proximal pressure sensor the 7, first distal pressure sensor the 8, second proximal pressure sensor and second Distal pressure sensor rotates oil with controlling described first hoist cylinder the 4, first rotary oil cylinder the 6, second hoist cylinder and second The controller (not shown) of cylinder working is connected.
In the present embodiment, the upper end of described first hoist cylinder 4 is arranged on the top within described first lifting cover 3, band Dynamic first hoist cylinder 4 moves up and down;The upper end of described second hoist cylinder is arranged on the top within described second lifting cover, The second hoist cylinder is driven to move up and down.Chute 9, described first lifting cover 3 it is provided with on described first column 2 and the second column Be provided with slide rail 10 on the second lifting cover, described slide rail 10 is slidedly arranged in described chute 9.First lifting cover 3 and the second lifting Cover and slided along the first column 2 and the second column by slide rail 10 and chute 9, both played guide effect, it is also possible to the first lifting Cover 3 and the second lifting cover play certain supporting role.
In the present embodiment, connect between described first column 2 and the second column and have bracing piece (not shown), bracing piece It is welded and fixed with the first column 2 and the second column, improves support strength.
In the present embodiment, described first rotary oil cylinder 6 is hinged with described first lifting cover 3 fixing, when the first rotary oil cylinder 6 Piston rod when driving the tail end motion of the first pallet fork 5, the first rotary oil cylinder 6 can rotate along with the pin joint of the first lifting cover 3; Described second rotary oil cylinder is hinged with described second lifting cover fixing, when the piston rod of the second rotary oil cylinder drives the second pallet fork During tail end motion, the second rotary oil cylinder can rotate along the pin joint with the second lifting cover.
In the present embodiment, it is provided with in described first lifting cover 3 and moves upward for the tail end limiting described first pallet fork 5 First in stopping means 11, in first, stopping means 11 can be limited block, the displacement when the tail end of the first pallet fork 5 moves upward Time excessive, in first, the tail end of the first pallet fork 5 is blocked by stopping means 11;It is provided with for limiting in described second lifting cover Stopping means in state that the tail end of the second pallet fork moves upward second, in second, stopping means can be limited block, when the second pallet fork Tail end time displacement is excessive when moving upward, in second, the tail end of the second pallet fork is blocked by stopping means.
In the present embodiment, described first lifting cover 3 is outside equipped with and moves downward for the head limiting described first pallet fork 5 The first outer stopping means 16, the first outer stopping means 16 can be limited block, when the head of the first pallet fork 5 moves downward displacement Time big, the head of the first pallet fork 5 is blocked by the first outer stopping means 16;Described second lifting cover is outside equipped with for limiting described The second outer stopping means that the head of the second pallet fork moves downward, the second outer stopping means can be limited block, when the second pallet fork Head move downward displacement excessive time, the head of the second pallet fork is blocked by the second outer stopping means.
In the present embodiment, connect between described first lifting cover 3 and the second lifting cover and have connecting rod (not shown), institute The two ends stating connecting rod are respectively hinged on described first lifting cover 3 and the second lifting cover.When the first lifting cover 3 and the second lifting When cover highly difference occurs, hinged connecting rod does not interferes with the relative displacement of the two.
In the present embodiment, the lower head of described first pallet fork 5 is provided with the first roller 17;The head of described second pallet fork Lower section is provided with the second roller.First roller 17 and the convenient carrying of the second roller are mobile.
During the present embodiment work, the first pallet fork 5 individually controls with the second pallet fork, by the first proximal pressure sensor 7, the The center of gravity of goods on one distal pressure sensor the 8, second proximal pressure sensor and the second distal pressure sensor monitoring pallet fork Whether stable, controller according to the measurement data of each pressure transducer to first hoist cylinder the 4, second hoist cylinder, the first rotation Turn oil cylinder 6 and the second rotary oil cylinder sends working signal, adjust the first pallet fork 5 and the relative altitude of the second pallet fork or the first goods Fork 5 and the second respective angle of inclination of pallet fork.Such as, the first proximal pressure sensor 7 and pressure of the first distal pressure sensor 8 When power is more than the pressure of the second proximal pressure sensor and the second distal pressure sensor, controller promotes the first lifting cover 3, carries Rise the first pallet fork 5, the center of gravity of goods is offset to the second pallet fork, it is ensured that steadily of centre of gravity;When the first proximal pressure sensor 7 and When the pressure of two proximal pressure sensors is less than the pressure of the first distal pressure sensor 8 and the second distal pressure sensor, control Device processed will be pressed under the tail end of the first pallet fork 5 and the second pallet fork, the center of gravity of goods is offset to lifting cover side;When the cylindrical goods of carrying During thing, can be by pressing under the tail end of the first pallet fork 5 and the second pallet fork, to avoid cylindrical goods landing.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (9)

1. the hoisting mechanism of a forklift, it is characterised in that include that base, the both sides of described base are respectively arranged with vertical side To the first column and the second column;
It is slidably equipped with the first lifting cover on described first column, in described first lifting cover, is provided with the first hoist cylinder, described The lower end of one hoist cylinder is arranged on described base, and the upper end of described first hoist cylinder is arranged on described first lifting cover In;The lower hinge of described first lifting cover has the first pallet fork, the head of described first pallet fork to stretch out described first lifting cover, institute The tail end stating the first pallet fork is positioned at described first lifting cover;The first rotary oil cylinder it is provided with in described first lifting cover, described First rotary oil cylinder is positioned at the tail of the top of described first pallet fork, the piston rod of described first rotary oil cylinder and described first pallet fork End connects;
It is slidably equipped with the second lifting cover on described second column, in described second lifting cover, is provided with the second hoist cylinder, described The lower end of two hoist cylinders is arranged on described base, and the upper end of described second hoist cylinder is arranged on described second lifting cover In;The lower hinge of described second lifting cover has the second pallet fork, the head of described second pallet fork to stretch out described second lifting cover, institute The tail end stating the second pallet fork is positioned at described second lifting cover;The second rotary oil cylinder it is provided with in described second lifting cover, described Second rotary oil cylinder is positioned at the tail of the top of described second pallet fork, the piston rod of described second rotary oil cylinder and described second pallet fork End connects;
Described first pallet fork is provided with near the first proximal pressure sensor of described first lifting cover with away from described first liter First distal pressure sensor of fall cover;
Described second pallet fork is provided with near the second proximal pressure sensor of described second lifting cover with away from described second liter Second distal pressure sensor of fall cover;
Described first proximal pressure sensor, the first distal pressure sensor, the second proximal pressure sensor and the second far-end pressure Force transducer and described first hoist cylinder of control, the first rotary oil cylinder, the second hoist cylinder and the work of the second rotary oil cylinder Controller is connected.
2. the hoisting mechanism of forklift as claimed in claim 1, it is characterised in that the upper end of described first hoist cylinder is arranged On the top within described first lifting cover;The upper end of described second hoist cylinder is arranged on the top within described second lifting cover End.
3. the hoisting mechanism of forklift as claimed in claim 2, it is characterised in that set on described first column and the second column Being equipped with chute, described first lifting cover and the second lifting cover are provided with slide rail, described slide rail is slidedly arranged in described chute.
4. the hoisting mechanism of forklift as claimed in claim 3, it is characterised in that between described first column and the second column Connect and have bracing piece.
5. the hoisting mechanism of forklift as claimed in claim 4, it is characterised in that described first rotary oil cylinder and described first Lifting cover is hinged fixing;Described second rotary oil cylinder is hinged with described second lifting cover fixing.
6. the hoisting mechanism of forklift as claimed in claim 5, it is characterised in that be provided with in described first lifting cover for Stopping means in limit that the tail end of described first pallet fork moves upward first;It is provided with for limiting in described second lifting cover The tail end of described second pallet fork move upward second in stopping means.
7. the hoisting mechanism of forklift as claimed in claim 6, it is characterised in that described first lifting cover be outside equipped with for Limit the first outer stopping means that the head of described first pallet fork moves downward;Described second lifting cover is outside equipped with for limiting The second outer stopping means that the head of described second pallet fork moves downward.
8. the hoisting mechanism of forklift as claimed in claim 7, it is characterised in that described first lifting cover and the second lifting cover Between connect have connecting rod, the two ends of described connecting rod to be respectively hinged on described first lifting cover and the second lifting cover.
9. the hoisting mechanism of forklift as claimed in claim 8, it is characterised in that the lower head of described first pallet fork is arranged There is the first roller;The lower head of described second pallet fork is provided with the second roller.
CN201610555479.4A 2016-07-14 2016-07-14 The hoisting mechanism of forklift Active CN106115565B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610555479.4A CN106115565B (en) 2016-07-14 2016-07-14 The hoisting mechanism of forklift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610555479.4A CN106115565B (en) 2016-07-14 2016-07-14 The hoisting mechanism of forklift

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CN106115565A true CN106115565A (en) 2016-11-16
CN106115565B CN106115565B (en) 2018-08-31

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567054A (en) * 1968-09-19 1971-03-02 Cascade Corp Power-operated tilt-up lift fork
US4517645A (en) * 1981-03-31 1985-05-14 Kabushiki Kaisha Toyoda Jidoh Shokki Seisakusho Control device for loading and unloading mechanism
CN203269481U (en) * 2013-05-21 2013-11-06 浙江诺力机械股份有限公司 Load weighing and load gravity center measuring device for inserting type forklift
CN203319649U (en) * 2013-06-22 2013-12-04 安徽工程大学 Lifting mechanism of forklift truck
CN104961072A (en) * 2015-06-30 2015-10-07 浙江上加机械有限公司 Gantry assembly for electric fork lift truck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567054A (en) * 1968-09-19 1971-03-02 Cascade Corp Power-operated tilt-up lift fork
US4517645A (en) * 1981-03-31 1985-05-14 Kabushiki Kaisha Toyoda Jidoh Shokki Seisakusho Control device for loading and unloading mechanism
CN203269481U (en) * 2013-05-21 2013-11-06 浙江诺力机械股份有限公司 Load weighing and load gravity center measuring device for inserting type forklift
CN203319649U (en) * 2013-06-22 2013-12-04 安徽工程大学 Lifting mechanism of forklift truck
CN104961072A (en) * 2015-06-30 2015-10-07 浙江上加机械有限公司 Gantry assembly for electric fork lift truck

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