CN102756995B - Extension type raises fork truck - Google Patents
Extension type raises fork truck Download PDFInfo
- Publication number
- CN102756995B CN102756995B CN201210120437.XA CN201210120437A CN102756995B CN 102756995 B CN102756995 B CN 102756995B CN 201210120437 A CN201210120437 A CN 201210120437A CN 102756995 B CN102756995 B CN 102756995B
- Authority
- CN
- China
- Prior art keywords
- load
- column
- keeper
- end stop
- fork truck
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices 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
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
- B66F9/10—Masts; Guides; Chains movable in a horizontal direction relative to truck
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The present invention relates to a kind of extension type and raise fork truck, there is driver part, each wheel support arm spaced apart abreast extends out from described driver part, also there is lifting column, described lifting column has the column keeper that can move along wheel support arm, column keeper can move between the terminal position of vehicle side and the terminal position of load-side, wherein, column keeper has at least one end stop in its load-side, described end stop and the end stop combined effect being arranged on wheel support arm, the length B of this end stop determines the terminal position of the load-side of column keeper on the moving direction of column keeper.
Description
Technical field
The present invention relates to a kind of extension type and raise fork truck (Schubmaststapler), have driver part, wheel support arm spaced apart abreast extends out from described driver part.Described extension type raises fork truck and has lifting column, and described lifting column has the column keeper that can move along wheel support arm.Described column keeper can move between the terminal location of vehicle side and the terminal location of load-side.
Background technology
Fork truck is raised by the known a kind of extension type with driver part of EP1772419A2.Driver part has substrate, is respectively provided with the switch seamed edge of at least one horizontal expansion in described substrate face behind and region above.When the sensor being arranged on column keeper or column of present dynasty's substrate orientation moves through one of them switch seamed edge, described sensor produces switching signal.Sensor is so installed so that when column keeper is close to a terminal position of column keeper, sensor move through below or switch seamed edge above.In order to make lifting column move between the terminal position and the terminal position of load-side of vehicle side, switch seamed edge is so set so that column keeper moves through switch seamed edge with sensor near a terminal position.Keep the APU of driving device to determine when considering direction regulation for column and move through which switch seamed edge.Described controllable column keeps drive assembly design to become so that if sensor produces switching signal when column keeper is close to a terminal position, reduces the speed of column keeper when mobile.
Raised fork truck by the known a kind of extension type with chassis of DT2609029A1, wherein the intermediate space between the driver part of vehicle and crane is monitored, to judge whether barrier.
By the known a kind of lateral loader with recessed chassis and horizontal mobile lifting column of outward appearance document DE1270495, wherein, the locking member of interlocking mutually is set on lifting column and on fixing chassis, for can be releasably connected with chassis by lifting column.
In general manner it is known that the end stop raising the load-side of fork truck central post fixture at extension type is very important for its stability.Along pallet fork direction, namely in load-side, owing to the reason of stability requires to meet the narrower margin of tolerance for the distance of the axis at the pallet fork back side to bearing wheels.Therefore, when adopting the attachment device of load center/front end sizes (Vorbauma β) different, that have change, the end stop of end load side and described attachment device should be made suitable.
Here the shutoff device (Abschaltung) that known setting is only controlled by software, described shutoff device cuts out when column fixture is in tram, and does not use mechanical end stop.The shutoff device of software type proposes significantly high requirement for the safety and reliability of sensing system, it is therefore necessary to be designed to by sensing system complex.
It is further known that the shutoff device worked by end stop is arranged in the thrust cylinder of column keeper driving device.But when adopting different attachment device, this makes to use the different thrust cylinders for driving device.It is known that the end stop adopting machinery in wheel support arm.Here the end stop of load-side is arranged in wheel support arm according to the structure of the attachment device for defined location.It turned out, this scheme unfortunately, the installation of backstop can not carry out with pre-assembled, but must carry out in so-called general assembly.
Summary of the invention
It is an object of the invention to, it is provided that the extension type of a kind of end stop with load-side raises fork truck, this extension type is raised fork truck and can be fitted to simply in the terminal position of the load-side specified by attachment device with relatively low expense.
Raising fork truck according to purpose of the present invention by a kind of extension type to realize, extension type raises fork truck and has driver part, and each wheel support arm spaced apart abreast extends out from described driver part；Also there is lifting column, described lifting column has the column keeper that can move along wheel support arm, column keeper can move between the terminal position of vehicle side and the terminal position of load-side, wherein, column keeper has at least one end stop in its load-side, described end stop and the end stop combined effect being arranged on wheel support arm, the length of end stop determines the terminal position of the load-side of column keeper on the moving direction of column keeper.
Extension type according to the present invention raises fork truck and has driver part, extends in parallel and spaced wheel support arm extends out from described driver part.Wheel support arm thus protrudes from driver part in load-side in the side of lifting support.Additionally, raise fork truck according to the extension type of the present invention have lifting column, described lifting column has the column keeper that can move along wheel support arm.Described column keeper can move between the terminal position and the terminal position of load-side of vehicle side.According to the present invention, column keeper has at least one end stop, described end stop and the end stop combined effect being arranged on wheel support arm in its load-side.If lifting column moves to the terminal position of its load-side by column keeper, then the end stop in the end stop of column keeper and wheel support arm is touched mutually, and prevents the lifting column kept by column keeper from moving to load-side further.According to the present invention, lifting column is determined along the place of the terminal position of moving direction by the end stop of the load-side of column keeper.By properly selecting the length of the end stop of the load-side on column keeper, it may be determined that the terminal position of the load-side of column keeper, and thus different from lifting column attachment device is suitable.This provides such probability, i.e. when the backstop in not regulating wheel support arm, directly and have big assembling not determine the terminal position of load-side of lifting column with expending.Thus simplifying extension type raises the assembling of fork truck on the one hand, and makes it possible to, according to attachment device, the terminal position of the load-side of lifting column is carried out adaptation.In addition load backstop simply regulates and also allows for, and adjusts identical backstop (position) when consuming that need not be big in two wheel support arms.
In a preferred form of implementation, the end stop on column keeper has accommodation portion, arranges stop element in described accommodation section.According to set attachment device, stop element can highlight from the accommodation portion of column keeper with predetermined length, in order to limits the terminal position of load-side.Can also setting, stop element is adjustable over its length on column keeper, in order to thus limit the terminal position of load-side.In this form of implementation, the end stop in wheel support arm need not be changed for the different attachment device being installed on lifting support or be adjusted on its position.Adopt the stop element of corresponding length whereas for set attachment device and/or correspondingly adjust the length of stop element and be sufficient to.
In a preferred form of implementation, the end stop of load-side is arranged in each wheel support arm on its position immutablely.End stop is to just can carry out when being arranged on pre-assembled in wheel support arm, and need not carry out on the wheel support arm of installation when general assembly or final assembling.
In a preferred form of implementation, lifting column is constructed to be permeable to hold different attachment device.It is arranged on the end stop on column keeper in load-side and preferably there is length that the load center with attachment device/front end size (Vorbauma β) is coordinated mutually here.The length dimension of the end stop of load-side preferably so designs so that in the terminal position of the load-side of lifting column, the spacing between the back side and the axis of bearing wheels of the vehicle side of attachment device is less than predetermined spacing.The back side of attachment device and particularly attachment device is the crucial parameter of the stability for vehicle to the spacing of bearing wheels.
In order to make column keeper move along the longitudinal direction, wheel support arm its mutually towards side on be respectively provided with a guide rail for column keeper.Column keeper moves along the longitudinal direction in the inside of guide rail.
For making the driving device that column keeper moves be arranged on aptly between vehicle side and the terminal position of load-side of column keeper.Driving device makes lifting column move between its terminal position by column keeper.
Accompanying drawing explanation
The preferred implementing form of fork truck is raised the following detailed description of extension type.Wherein:
Fig. 1 illustrates that extension type raises the side view of fork truck,
Fig. 2 illustrates and raises, for extension type, the perspective view that the column keeper of fork truck is observed from load-side,
Fig. 3 illustrates the stop element of the column keeper of Fig. 2, and
Fig. 4 illustrates the view of the immutable stop block of length observed wheel support arm from inside.
Detailed description of the invention
Fig. 1 side view illustrates that the extension type with driver part 12 raises fork truck 10.Driver part has the operating position 14 added a cover for vehicle operator and at least one wheel 16 driven.Wheel support arm 18 is prominent on driver part 12 in side, and each wheel support arm is connected with the framework of driver part 12 rigidly in vehicle side.It is respectively provided with a bearing wheels 22 at load-side wheel support arm 18.Lifting column 20 can move in a longitudinal direction along wheel support arm 18.Lifting column 20 is shown as lifting column 20A in it is relative to the position of driver part 12 retraction.Lifting column 20 reach position dotted lines and be labeled as 20B.Lifting column 20 is a mobile section l inside wheel support arm.The column keeper 24 that connects through of lifting column 20 and wheel support arm 18 realizes, and described column keeper can be bearing in movably between each wheel support arm 18 and make lifting column 20 move.
The extension type that figure 1 illustrates raises in fork truck, and lifting column 20 is equipped with forked bogey 26.Bogey 26 can move along lifting column, wherein stretching out by lifting column, and bogey can also raise further.The pallet fork raised in the inside of free travel is shown in broken lines as pallet fork 26B, and is shown in broken lines as 26C by the load fork raised in column stroke that stretches out of lifting column.
By the stability realizing extension type and raising fork truck, between the back side and the axis of bearing wheels 22 of the load-side of pallet fork 26A, use X1The spacing of mark determines that.Spacing X1Should be constant with the type of attachment device and geometry independently retentivity.
Lifting column is with the terminal position being in its vehicle side in the position shown in 20A.The terminal position of its load-side it is in the lifting column of 20B mark.The end stop of vehicle side and load-side it is respectively equipped with in order to limit lifting column 20 or the column keeper 24 mobile distance between wheel support arm 18.
Fig. 2 illustrates the perspective view observed from load-side of column keeper 24.Column keeper 24 has the element of two L-shaped, and in these elements, a side arm 28 is horizontal-extending, and another side arm 30 substantially perpendicularly extends.Covering plate 32 it is provided with between the side arm 28 of the element of each L-shaped.Side arm 28 is connected with each other by the support 33 of U-shaped, goes back acting thrust cylinder (not shown) on the bracket.The vertical side arm 30 of each L-shaped element is connected with each other by connecting plate 34.By being arranged on the roller 36 on the side arm 28 of level, column keeper 24 can be bearing in the guide rail of wheel support arm 18 movably.
The end of the load-side of side arm 28 is provided with end stop 38.
Fig. 3 illustrates the details of one of end stop 38.End stop 38 has accommodation portion 40 and protrudes from the stop element 42 in accommodation portion 40 with length B, and described stop element has the stop surface of side.Stop element 42 has flattened portion 44 on its free end, and by described flattened portion, the instrument of conjugation can be screwed in accommodation portion 40, in order to adjust length B.In addition, it is also possible to substitute the stop element employing that can screw in and there is the stop element determining length B, and this stop element can be changed by size B as requested.
Fig. 4 illustrates the end stop 46 of load-side, and this end stop is arranged in the guide rail 48 of wheel support arm 18.End stop 46 is positioned in a fixed position by bolt 50 in guide rail 48.In order to column keeper 24 is loaded guide rail 48, it is possible to remove end stop 46.In the terminal position of the load-side of column keeper 24, the free end of stop element 42 abuts on the side of the vehicle side of end stop 46 and thus limits column keeper and thus also have the further reach of lifting column.If the length of stop element 42 strengthens, then the maximum reach distance of column keeper 24 reduces, and thus uses X1The spacing of mark also reduces.
In the column keeper constituted according to the present invention, the installation of adjustable length, pin-shaped stop element 42 is not at the framework of driver part or carries out on wheel support arm, but carries out on column keeper 24.Thus end stop 38 just can be installed when pre-assembled, and thus reduces assembly work amount on general assembly line.Stop element 42 is configured to turning parts simultaneously, and it is possible to economically fabricate.The immutable block 46 of installation length on frame section bar, it is possible to the accessibility being improved to wheel support part and the braking fixed structure for column keeper 24.
Claims (9)
1. extension type raises fork truck (10), has driver part (12), and each wheel support arm (18) spaced apart abreast extends out from described driver part；Also there is lifting column (20), described lifting column has can along the column keeper (24) of wheel support arm (18) movement, column keeper (24) can move between the terminal position of vehicle side and the terminal position of load-side, it is characterized in that, column keeper (24) has the end stop (38) of at least one load-side in its load-side, end stop (46) combined effect of described end stop and the load-side being arranged on wheel support arm, the length (B) of end stop (38) determines the terminal position of the load-side of column keeper (24) on the moving direction of column keeper (24).
2. extension type according to claim 1 raises fork truck, it is characterized in that, the end stop (38) of the load-side on column keeper (24) has accommodation portion (40), arranges stop element (42) in described accommodation section.
3. extension type according to claim 2 raises fork truck, it is characterised in that stop element (42) protrudes from accommodation portion (40) with predetermined length (B), in order to limit the terminal position of the load-side of column keeper.
4. extension type according to claim 2 raises fork truck, it is characterised in that stop element (42) is adjustable in its length (B), in order to limit the terminal position of the load-side of column keeper (24).
5. raise fork truck according to the extension type one of Claims 1-4 Suo Shu, it is characterised in that the end stop (46) of the load-side on wheel support arm length in its position is arranged in each wheel support arm (18) immutablely.
6. raise fork truck according to the extension type one of Claims 1-4 Suo Shu, it is characterized in that, lifting column (20) is configured to, making it possible to hold different attachment device (26), the end stop (38) being arranged on column keeper (24) in load-side has the length (B) that the load center with attachment device (26) is coordinated mutually.
7. extension type according to claim 6 raises fork truck, it is characterized in that, the length (B) of the end stop (38) of the load-side on column keeper so designs so that spacing (X between the back side and the axis of bearing wheels (22) of the vehicle side of attachment device (26) in the terminal position of the load-side of lifting column1) less than a predetermined spacing.
8. raise fork truck according to the extension type one of Claims 1-4 Suo Shu, it is characterised in that each wheel support arm they mutually towards side on be respectively provided with a guide rail for column keeper (24) (48).
9. raise fork truck according to the extension type one of Claims 1-4 Suo Shu, it is characterized in that, between the terminal position of the terminal position of the vehicle side being used for making the driving mechanism of column keeper (24) movement be arranged on column keeper and the load-side of column keeper.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011018506.2 | 2011-04-23 | ||
| DE102011018506A DE102011018506A1 (en) | 2011-04-23 | 2011-04-23 | Reach truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102756995A CN102756995A (en) | 2012-10-31 |
| CN102756995B true CN102756995B (en) | 2016-07-06 |
Family
ID=45999551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210120437.XA Active CN102756995B (en) | 2011-04-23 | 2012-04-23 | Extension type raises fork truck |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2514709B1 (en) |
| CN (1) | CN102756995B (en) |
| DE (1) | DE102011018506A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2857344B1 (en) | 2013-10-07 | 2016-04-06 | Hyster-Yale Group, Inc. | Reach truck |
| CN106604886B (en) | 2014-09-15 | 2019-06-18 | 克朗设备公司 | Fork truck with optics cargo sensing structure |
| DE102014119354A1 (en) | 2014-12-22 | 2016-06-23 | Hubtex Maschinenbau Gmbh & Co. Kg | Reach truck, battery change system with a reach truck and reach truck battery change system |
| CN106553976A (en) * | 2016-11-03 | 2017-04-05 | 国网福建省电力有限公司泉州供电公司 | Switch cubicle transporter |
| CN106429994B (en) * | 2016-12-16 | 2018-07-17 | 宁波力达物流设备有限公司 | The door frame automatic extending-contracting apparatus and telescopic method of electri forklift |
| DE102017118512A1 (en) * | 2017-08-14 | 2019-02-14 | Jungheinrich Aktiengesellschaft | Reach truck |
| CN108163776A (en) * | 2017-12-29 | 2018-06-15 | 王莉萍 | A kind of pallet fork holds machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1270495B (en) * | 1963-03-22 | 1968-06-12 | Lancers Machinery Ltd | Side loader with indented chassis |
| CN1785791A (en) * | 2004-12-10 | 2006-06-14 | 株式会社大福 | Article carrying state sensor and article transport device having same |
| EP1772419A3 (en) * | 2005-10-06 | 2008-08-06 | Jungheinrich Aktiengesellschaft | Reach fork lift truck |
| CN101537786A (en) * | 2008-03-20 | 2009-09-23 | 斯蒂尔简化股份公司 | Ground conveying machinery with battery lattice and battery lattice lid |
| CN101758767A (en) * | 2008-12-23 | 2010-06-30 | 株式会社丰田自动织机 | Battery-fixing device for a battery forklift |
| CN101885455A (en) * | 2009-05-11 | 2010-11-17 | 永恒力集团 | Ground conveying machine with at least two cover panels |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1895580U (en) * | 1960-01-30 | 1964-06-25 | Ernst Wagner Appbau | PUSH FRAME GUIDE DEVICE FOR FLOOR CONVEYORS. |
| DE2609028C3 (en) | 1976-03-05 | 1981-08-13 | Estel Hoesch Werke Ag, 4600 Dortmund | Device for inserting wooden intermediate layers when stacking |
| DE2609029A1 (en) * | 1976-03-05 | 1977-09-08 | Jungheinrich Kg | Reach mast truck with folding lift frame - has detector for obstacle in gap between truck body and lift frame |
| JPH09132395A (en) * | 1995-11-09 | 1997-05-20 | Toyota Autom Loom Works Ltd | Reach folk lift truck |
| JP2004075303A (en) * | 2002-08-20 | 2004-03-11 | Komatsu Forklift Co Ltd | Reach roller in reach forklift |
| DE10246221A1 (en) * | 2002-10-04 | 2004-04-15 | Still Gmbh | Battery changing device for an industrial truck |
| ES1064194Y (en) * | 2006-11-14 | 2007-05-16 | Alavesa Manutencion S L | SIDE LOAD STACKER |
| JP5430103B2 (en) * | 2008-09-05 | 2014-02-26 | ユニキャリア株式会社 | Reach forklift |
-
2011
- 2011-04-23 DE DE102011018506A patent/DE102011018506A1/en not_active Withdrawn
-
2012
- 2012-04-18 EP EP20120002687 patent/EP2514709B1/en active Active
- 2012-04-23 CN CN201210120437.XA patent/CN102756995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1270495B (en) * | 1963-03-22 | 1968-06-12 | Lancers Machinery Ltd | Side loader with indented chassis |
| CN1785791A (en) * | 2004-12-10 | 2006-06-14 | 株式会社大福 | Article carrying state sensor and article transport device having same |
| EP1772419A3 (en) * | 2005-10-06 | 2008-08-06 | Jungheinrich Aktiengesellschaft | Reach fork lift truck |
| CN101537786A (en) * | 2008-03-20 | 2009-09-23 | 斯蒂尔简化股份公司 | Ground conveying machinery with battery lattice and battery lattice lid |
| CN101758767A (en) * | 2008-12-23 | 2010-06-30 | 株式会社丰田自动织机 | Battery-fixing device for a battery forklift |
| CN101885455A (en) * | 2009-05-11 | 2010-11-17 | 永恒力集团 | Ground conveying machine with at least two cover panels |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2514709A1 (en) | 2012-10-24 |
| CN102756995A (en) | 2012-10-31 |
| EP2514709B1 (en) | 2013-05-29 |
| DE102011018506A1 (en) | 2012-10-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: hamburg Applicant after: JUNGHEINRICH AG Address before: hamburg Applicant before: Jungheinrich AG |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: JUNGHEINRICH AG TO: JUNGHEINRICH CO., LTD. |
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| SE01 | Entry into force of request for substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |