CN105246820B - Fork truck door frame assembly - Google Patents
Fork truck door frame assembly Download PDFInfo
- Publication number
- CN105246820B CN105246820B CN201480013448.5A CN201480013448A CN105246820B CN 105246820 B CN105246820 B CN 105246820B CN 201480013448 A CN201480013448 A CN 201480013448A CN 105246820 B CN105246820 B CN 105246820B
- Authority
- CN
- China
- Prior art keywords
- door frame
- connecting plate
- sliding rail
- frame assembly
- outer mast
- 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
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)
- Support Devices For Sliding Doors (AREA)
Abstract
A kind of door frame assembly for industrial truck is especially adapted for use in moving door frame reach truck comprising a load device and three door frames, there are two sliding rail, sliding rails to be connected with each other by least two crossbeams for each door frame tool.Door frame is designed to an inner upright mounting (18), and an intermediate door frame (16) and outer mast (14), inner upright mounting are supported on intermediate door frame, and intermediate door frame is supported on outer mast.In each sliding rail (28 of the outer mast (14) away from the side of the load device (12), 30) there is a connecting plate (42 on, and a local stiffening muscle (60 44), 62), wherein each local stiffening muscle (60,62) end is connected on respective connecting plate (42,44), and a crossbeam (54) is provided between connecting plate.
Description
Technical field
The present invention relates to a kind of door frame assemblies for industrial truck, are especially adapted for use in moving door frame reach truck,
It includes a load device and three door frames, and there are two sliding rail, sliding rails to be connected with each other by least two crossbeams for each door frame tool.Three
At least part of between a door frame to be connected to connect, they are designed to an inner upright mounting, intermediate door frame and outer
Door frame, inner upright mounting are supported on intermediate door frame, and intermediate door frame is supported on outer mast.Outer mast passes through door frame supporting rack quilt
It is supported on fork truck.On moving door frame reach truck, door frame, which is moveable, to be arranged on fork truck y direction.
Background technology
It is the known prior art that fork truck, which has with door frame assembly there are three door frame,.U.S. patent documents US 7,398,859B2
It is disclosed a kind of door frame assembly of tool there are three door frame, in this door frame assembly, the chain idler wheel of stroke device is arranged on
On intermediate door frame, intermediate door frame is horizontal before inner upright mounting.Therefore there are enough spaces on door frame assembly, it can be intermediate door frame
It is disposed entirely within inside outer mast.
2001/247298 A of Japan Patent JP disclose a kind of door frame assembly structure, and the configuration of fixed door frame is by a U
Shape holder holds connection on it, and there are one being arranged to be provided with rear portion on the lower end of frame structure, the frame structure, hangs down
It is directly connected with each other in by crossbeam, carries proximate matter framing component.
Door frame assembly must be sufficiently tight, could support enough load-carryings in a high position.It must also ensure, to door frame
The flux of force that will produce equivalent when supporting rack conduction power, to ensure that the active force born on outer mast is not up to maximum
Stress.
Invention content
The purpose of the present invention is to provide a kind of fork truck door frame assembly, it is sufficiently stable when lifting can either to ensure that door frame rises,
The structure of door frame assembly is again very compact.
The purpose of this utility model may be implemented with door frame assembly in a kind of fork truck, and the present invention provides the preferred of the present apparatus
Embodiment.
A kind of door frame assembly of the present invention is designed for industrial truck, and moving door frame shift-forward type is especially adapted for use in
Fork truck.The door frame assembly includes a load device and three door frames, and there are two sliding rails for each door frame tool, and sliding rail is by least two
Crossbeam is connected with each other.At least part of between three door frames to be connected to connect, they are designed to an inner upright mounting, and one
A intermediate door frame and outer mast, inner upright mounting are supported on intermediate door frame, and intermediate door frame is supported on outer mast.Away from institute
Stating has a connecting plate and a local stiffening muscle on each sliding rail of the outer mast of the side of load device.Every local stiffening muscle prolongs
It reaches in sliding rail, is connected on the corresponding connecting plate of sliding rail in the lower end of the one side away from door frame supporting rack, local stiffening muscle.It is excellent
Choosing, the upper end of local stiffening muscle extends to the upper end of outer mast.Crossbeam is arranged between connecting plate.Of the present invention
In the construction of outer mast, there are a local stiffening muscle, local stiffening muscle to move along sliding rail and separated by sliding rail on every sliding rail.
Away from the one side of door frame supporting rack, local stiffening muscle is arranged on connecting plate and has been connected.It is arranged in door frame supporting rack
The crossbeam in region subjects the horizontal force generated between sliding rail, and the crossbeam is connected with connecting plate and sliding rail simultaneously.In door
Frame supporting rack region, the horizontal force generated between active force and sliding rail that the local stiffening muscle of outer mast is sent are all logical
Connecting plate is crossed to be transmitted in sliding rail.Power conduction unit is connected in sliding rail by connecting plate in the present invention.
In a kind of preferred embodiment of door frame assembly of the present invention, the crossbeam between connecting plate and local rinforcement bar
It is connected with connecting plate in sustained height.There can be enough conducting spots spaced apart from each other to avoid on door frame in this way
The structure of the attack born, this active force conduction mechanism is very compact.The company of every local stiffening muscle and corresponding connecting plate
Junction is plane, and connecting plane will as far as possible greatly, in this case, and every local stiffening muscle transfers out the active force come just
It is born by connecting plate.
In a preferred embodiment, the width of each connecting plate is bigger than the sliding rail of outer mast, such connecting plate
Extend to the region between sliding rail.Away from the side of the load device, the width of connecting plate is always than outer mast
Sliding rail width it is big.In addition, sliding rail is arranged on outer mast, connecting plate is projected into the region between door frame sliding rail.Using this
Kind construction, some is protruded except sliding rail connecting plate, and in other words, in perimeter, connecting plate is kept apart with sliding rail.
In a preferred embodiment, the width in the one end being connect with rinforcement bar, each connecting plate tapers into, shape
Tapered end face.One end that connecting plate is connect with rinforcement bar is one end upward.Width mentioned here refers to outer mast
The distracted plane of sliding rail.The effect of tapered end face be to make the joint face between connecting plate and external door frame sliding track along connecting plate by
It is decrescence small.The active force on active force and entire sliding rail door width on entire connecting plate door width is all transmitted to connection from non-tapered end
On plate, tapering point is only used for the active force that conduction connecting plate is generated with sliding rail junction.Therefore the flux of force of equivalent is will produce,
Flux of force can reach maximum stress to avoid the active force born on outer mast.
In a preferred embodiment, each connecting plate is in one end triangular shape being connect with rinforcement bar.This three
Angular construction is so that the rinforcement bar that comes of upper end first in a very narrow region, i.e. vertex of a triangle region, and is connect
Plate is collided.With becoming larger for triangle width, the joint face between rinforcement bar and connecting plate also gradually becomes on direction directed downwardly
Greatly, until cross bar position.In a preferred embodiment, the edge of rinforcement bar and the edge of connecting plate are superimposed together, and make
The rinforcement bar being connected with connecting plate is obtained in bottom end to be completely connected with connecting plate.
In a preferred embodiment, the both ends for the cross bar being arranged above connecting plate were both connected between rinforcement bar,
It is connected between sliding rail again.Rinforcement bar is connected to the sliding rail back side by cross bar.In a preferred embodiment, the end face of cross bar
Equipped with a spacing washer.
Description of the drawings
The preferred embodiment of door frame assembly of the present invention will be further elaborated by the following drawings.
Fig. 1 is the perspective view for the rounding state lower mast assembly seen in front of side,
Fig. 2 is the diagram that door frame assembly rises act state lower mast assembly,
Fig. 3 is the rearview of outer mast,
Fig. 4 be from the perspective view of the outer mast in terms of the rear of side, and
Fig. 5 is the perspective view of the crossbeam of outer mast.
Specific implementation mode
Fig. 1 is the perspective view for the door frame assembly 10 seen from front.Door frame assembly 10 includes a load for appearing as double ditches
Lotus device 12 and three door frames 14,16,18 being connected to each other.From Fig. 2 shows door frame assembly 10 figure on as can be seen that setting
It carries and is arranged in intermediate door frame 16 in outermost door frame 14, door frame 18 is inner upright mounting.Load device 12 is arranged in inside door
On frame, and along adjusting can be moved on the vertical direction of inner upright mounting.A bearing bolt 20 is provided on the side of outer mast 14,
Bearing bolt 20 and door frame supporting rack (not shown) synergistic effect.Load device 12 is in the driving lower edge for being freely lifted oil cylinder 22
Inner upright mounting movement.It is freely lifted on oil cylinder 22 there are one chain idler wheel 24, rises act chain 26 and moved on chain idler wheel.Driving
Act chain idler wheel 24 can be risen by being freely lifted oil cylinder 22, and load device 12 is lifted to top along inner upright mounting 18.
The whole strength born on door frame assembly are conducted by the door frame of load device 12 and outer mast.Then pass through
This burst of strength is transmitted on vehicle with the door frame supporting rack of preset bearing bolt 20 synergistic effect.
Fig. 3 is the schematic diagram of the outer mast with sliding rail 28,30.Sliding rail 28,30 by cross bar 32 and top mechanism 34 each other
It links together.It can be seen from figure 4 that top mechanism 34 includes two blocks of moveable side plates 36 being respectively provided at both sides,
Two blocks of side plates 36 are connected to each other by two crossbeams 38,40.
20 region of bearing bolt on door frame supporting rack is connected to one piece of connecting plate 42,44 on each sliding rail 28,30.From
As can be seen that connecting plate 44 and 42, which is, the outer edge 46,48 for a little deviateing each sliding rail 28,30 in Fig. 3.44 He of connecting plate
42 inward flange 50,52 protrudes inwardly in the region between sliding rail 28,30.Connecting plate 44 and 42 respectively with 28 He of each sliding rail
30 weld together, and welding surface is in the one side away from load device.One crossbeam 54 is set between connecting plate 44,42.Crossbeam 54
Two end faces be respectively welded on the inward flange 50,52 of connecting plate 44,42.Connection type between connecting plate and sliding rail is not
With being nonoverlapping to weld together between crossbeam 54 and connecting plate 42,44.
There are one delta-shaped regions 56,58 respectively on every piece of connecting plate 42,44.As shown in figure 4, delta-shaped region 56,58
It is hidden in rinforcement bar 60,62.In order to which visual angle is more preferable, specially triangle wedge angle is drawn with lines in Fig. 3.Triangle
It is unfolded upward closely along crossbeam 54 in region 56,58.Rinforcement bar 60,62 is connected with connecting plate in delta-shaped region.Connection
Triangle moulding is made in one end of plate can generate following effect：Before rinforcement bar 60 and connecting plate 42 are fully connected, first
The point 64 of formation connects the stability that can improve face connection.The connection of sliding rail is also such.
It is additionally provided with a crossbeam 66 in the lower section of connecting plate 42,44, but this root crossbeam is not to be clamped the company with sliding rail
Between fishplate bar 28,30, but directly it is overlapped on connecting plate.
Rinforcement bar 60,62 is not only connected with connecting plate 42,44, but also is connected with cross bar 32.The end face of cross bar 32 has one
Spacing washer 66.As shown in figure 5,32 both ends of cross bar, respectively there are one the end face 33 widened, there are one the grooves 35 of plate-like on end face.
35 part of groove is hidden in spacing washer 66.As shown in figure 4, the sliding rail of cross bar 32 and every outer mast is in two region phases
Even, and dottle pin piece 66 and every rinforcement bar 60,62 are connected.The link position of spacing washer 66 is located at cross bar 32 and is connected with sliding rail
Join domain.Rinforcement bar 60,62 is directed in sliding rail at defined intervals in this way.The purpose for the arrangement is that in order to
The thickness of cross bar 32 and spacing washer 66 and the thickness of connecting plate 42,44 is set to match.
Claims (8)
1. a kind of door frame assembly for industrial truck comprising a load device and three door frames, there are two each door frame tools
Sliding rail, sliding rail are connected with each other by least two crossbeams, and door frame is designed to an inner upright mounting (18), an intermediate door frame (16) and
Outer mast (14), inner upright mounting are supported on intermediate door frame, and intermediate door frame is supported on outer mast (14),
It is characterized in that,
Have on each sliding rail (28,30) away from the outer mast (14) of the side of the load device (12) connecting plate (42,
44) and a local stiffening muscle (60,62), wherein the end of each local stiffening muscle (60,62) is connected respective connection
On plate (42,44), a crossbeam (54) is provided between connecting plate；The width of each connecting plate (42,44) is than outer mast (14)
Sliding rail (28,30) width it is big, wherein connecting plate (42,44) extends to the region between sliding rail (28,30).
2. door frame assembly as described in claim 1, which is characterized in that crossbeam (54) and local rinforcement bar (60,62) are same
Height is connected with connecting plate (42,44).
3. door frame assembly as claimed in claim 1 or 2, which is characterized in that in the one end being connect with rinforcement bar, each connecting plate
(42,44) width tapers into.
4. door frame assembly as described in claim 1, which is characterized in that each connecting plate (42,44) with rinforcement bar (60,62)
One end of connection is (56,58) triangular in shape.
5. door frame assembly as claimed in claim 4, which is characterized in that an edge of rinforcement bar and the edge overlapping of connecting plate
Together, the position of rinforcement bar and connecting plate intersection links together.
6. door frame assembly as described in claim 1, which is characterized in that the cross bar (32) being arranged above connecting plate (42,44)
Both ends be not only connected between rinforcement bar, but also be connected between sliding rail.
7. door frame assembly as claimed in claim 6, which is characterized in that respectively set is filled with separation pad at the both ends of each cross bar (32)
Piece, cross bar were not only connected between rinforcement bar in the state that set is filled with spacing washer, but also were connected between sliding rail.
8. door frame assembly as described in claim 1, which is characterized in that the door frame assembly is to be suitable for moving door frame shift-forward type
The moving door frame of fork truck.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013004434.0A DE102013004434A1 (en) | 2013-03-15 | 2013-03-15 | Mast for a truck |
| DE102013004434.0 | 2013-03-15 | ||
| PCT/EP2014/054243 WO2014139843A1 (en) | 2013-03-15 | 2014-03-05 | Mast assembly for an industrial truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105246820A CN105246820A (en) | 2016-01-13 |
| CN105246820B true CN105246820B (en) | 2018-08-03 |
Family
ID=50231167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480013448.5A Active CN105246820B (en) | 2013-03-15 | 2014-03-05 | Fork truck door frame assembly |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2969891B1 (en) |
| CN (1) | CN105246820B (en) |
| DE (1) | DE102013004434A1 (en) |
| WO (1) | WO2014139843A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355271B (en) * | 2014-10-23 | 2017-01-25 | 安徽合力股份有限公司 | Hoisting system capable of implementing high hoisting of reach truck |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326217A (en) * | 1990-09-24 | 1994-07-05 | Clark Material Handling Company | Lift truck with negative drop upright |
| EP2039647B1 (en) * | 2007-09-20 | 2011-05-18 | Kabushiki Kaisha Toyota Jidoshokki | Mast assembly for a forklift truck |
| CN202594724U (en) * | 2012-02-29 | 2012-12-12 | 台励福机器设备(青岛)有限公司 | Three-section wide-view mast assembly device for forklift |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7712146U1 (en) * | 1977-04-19 | 1978-02-09 | Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg | OPEN LIFTING FRAME |
| DE3041910C2 (en) * | 1980-11-06 | 1986-01-23 | Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg | Mast for lifters |
| JP3355965B2 (en) * | 1996-11-22 | 2002-12-09 | 日産自動車株式会社 | Mast device for forklift truck |
| JP3325552B2 (en) * | 2000-03-08 | 2002-09-17 | ティー・シー・エム株式会社 | Mast structure |
| JP2004284761A (en) * | 2003-03-24 | 2004-10-14 | Komatsu Forklift Co Ltd | Outer mast lower stay device |
| US7096999B2 (en) | 2003-08-05 | 2006-08-29 | The Raymond Corporation | Mast construction for a lift truck |
-
2013
- 2013-03-15 DE DE102013004434.0A patent/DE102013004434A1/en not_active Withdrawn
-
2014
- 2014-03-05 EP EP14708023.8A patent/EP2969891B1/en active Active
- 2014-03-05 WO PCT/EP2014/054243 patent/WO2014139843A1/en active Application Filing
- 2014-03-05 CN CN201480013448.5A patent/CN105246820B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326217A (en) * | 1990-09-24 | 1994-07-05 | Clark Material Handling Company | Lift truck with negative drop upright |
| EP2039647B1 (en) * | 2007-09-20 | 2011-05-18 | Kabushiki Kaisha Toyota Jidoshokki | Mast assembly for a forklift truck |
| CN202594724U (en) * | 2012-02-29 | 2012-12-12 | 台励福机器设备(青岛)有限公司 | Three-section wide-view mast assembly device for forklift |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2969891A1 (en) | 2016-01-20 |
| CN105246820A (en) | 2016-01-13 |
| DE102013004434A1 (en) | 2014-09-18 |
| WO2014139843A1 (en) | 2014-09-18 |
| EP2969891B1 (en) | 2018-01-03 |
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| PB01 | Publication | ||
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| GR01 | Patent grant |