CN103910312B - Fork truck working device and there is its fork truck - Google Patents
Fork truck working device and there is its fork truck Download PDFInfo
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- CN103910312B CN103910312B CN201410163100.6A CN201410163100A CN103910312B CN 103910312 B CN103910312 B CN 103910312B CN 201410163100 A CN201410163100 A CN 201410163100A CN 103910312 B CN103910312 B CN 103910312B
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- inner upright
- upright mounting
- sprocket wheel
- oil tank
- lift oil
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Abstract
The invention discloses a kind of fork truck working device and there is its fork truck.Fork truck working device comprises outer mast, inner upright mounting and goods shelf, goods shelf and inner upright mounting sliding block joint and between goods shelf and inner upright mounting, be provided with shelf lifting mechanism, inner upright mounting and outer mast sliding block joint and between outer mast and inner upright mounting, be provided with door frame lifting mechanism, door frame lifting mechanism comprises the side lift oil tank be connected with outer mast and inner upright mounting, and side lift oil tank drives the distance of inner upright mounting movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank.Fork truck working device of the present invention, the side lift oil tank of door frame lifting mechanism is arranged to one, and side lift oil tank drives the distance of inner upright mounting movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank, thus not only can save manufacturing cost, and the miles of relative movement of inner upright mounting is longer relative to cylinder body miles of relative movement than piston rod during side lift oil tank driving inner upright mounting rising, operating efficiency is promoted.
Description
Technical field
The invention belongs to the technical field of carrying vehicle, specifically, the present invention relates to a kind of fork truck working device and there is its fork truck.
Background technology
Fork truck working device is the on-line operation mechanism that fork truck carries out loading and unloading operation, and the fork unloading of goods is put, is elevated pile, has all come by equipment, and therefore fork truck working device is one of important component part of fork truck.
In the complete free equipment of existing a kind of fork truck two-stage, comprise outer mast, inner upright mounting, goods shelf and corresponding hydraulic lifting mechanism, goods shelf and inner upright mounting sliding block joint and the shelf lifting mechanism be provided with between goods shelf and inner upright mounting for driving goods shelf to rise, inner upright mounting and outer mast sliding block joint and the door frame lifting mechanism be provided with between outer mast and inner upright mounting for driving inner upright mounting to rise, shelf lifting mechanism comprises a lift oil tank be arranged in the middle part of inner upright mounting, door frame lifting mechanism comprises two the side lift oil tanks being symmetrically distributed in middle lift oil tank both sides, the cylinder body lower end of side lift oil tank is connected with outer mast, upper end piston rod is connected with inner upright mounting.The fork truck working device of this structure is the vertical motion being realized inner upright mounting by two side lift oil tanks, and not only operating efficiency is low, and manufacturing cost is also higher.
Summary of the invention
The invention provides a kind of fork truck working device and have its fork truck, object improves operating efficiency.
To achieve these goals, the technical scheme that the present invention takes is: fork truck working device, comprise outer mast, inner upright mounting and goods shelf, goods shelf and inner upright mounting sliding block joint and the shelf lifting mechanism be provided with between goods shelf and inner upright mounting for driving goods shelf to rise, inner upright mounting and outer mast sliding block joint and the door frame lifting mechanism be provided with between outer mast and inner upright mounting for driving inner upright mounting to rise, described door frame lifting mechanism comprises the side lift oil tank be connected with described outer mast and inner upright mounting, side lift oil tank drives the distance of inner upright mounting movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank.
Described shelf lifting mechanism is positioned at the midway location of described inner upright mounting, and described side lift oil tank is positioned at the side of inner upright mounting.
Described shelf lifting mechanism comprises middle lift oil tank and the first chain drive, the cylinder body of middle lift oil tank is connected with inner upright mounting at the midway location of described inner upright mounting, first chain drive comprises the first sprocket wheel be connected with the piston rod of middle lift oil tank and the first chain coordinated with the first sprocket wheel, one end of first chain is connected with the chaining plate on cylinder body, and the other end is connected with described goods shelf.
Described first sprocket wheel is included in coaxial setting on described middle lift oil tank piston rod and is symmetrical two, and corresponding described first chain is also provided with two.
Described side lift oil tank comprises the cylinder body be connected with described outer mast and the piston rod be connected with described inner upright mounting by chain drive.
Described chain drive comprises the second chain drive be connected with described inner upright mounting side and the 3rd chain drive be connected with inner upright mounting opposite side, and the second chain drive and described side lift oil tank are positioned at the same side of inner upright mounting.
Described second chain drive comprises the second sprocket wheel be connected with the piston rod of described side lift oil tank and the second chain coordinated with the second sprocket wheel, and one end of the second chain is connected with described outer mast, and the other end is connected with the side of described inner upright mounting; Described 3rd chain drive comprises the 3rd sprocket wheel be connected with the piston rod of side lift oil tank and the 3rd chain coordinated with the 3rd sprocket wheel, one end of 3rd chain is connected with outer mast, the other end is connected with the opposite side of inner upright mounting, and the second sprocket wheel and the 3rd sprocket wheel are distributed in the both sides of piston rod; 3rd chain drive also comprises the 4th sprocket wheel engaged with the 3rd chain.
Described second sprocket wheel and the described axes intersect of the 3rd sprocket wheel and the angle between two axial lines is obtuse angle, the axis of described 4th sprocket wheel parallels with the axis of the 3rd sprocket wheel, and described 3rd chain drive also comprises and to engage with described 3rd chain and the 5th sprocket wheel between the 3rd sprocket wheel and the 4th sprocket wheel.
Described outer mast comprises the entablatrance assembly being positioned at upper end, entablatrance assembly comprises the entablatrance plate, intermediate plate and the bottom rail beam slab that set gradually from top to bottom, described second chain is connected with bottom rail beam slab with the end of the 3rd chain, the axis of described 3rd sprocket wheel and the length direction of intermediate plate perpendicular, the sprocket shaft of described 4th sprocket wheel and the 5th sprocket wheel is arranged on intermediate plate.
The present invention also provides a kind of fork truck, comprises above-mentioned fork truck working device.
Fork truck working device of the present invention, the side lift oil tank of door frame lifting mechanism is arranged to one, and side lift oil tank drives the distance of inner upright mounting movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank, thus not only can save manufacturing cost, and the miles of relative movement of inner upright mounting is longer relative to cylinder body miles of relative movement than piston rod during side lift oil tank driving inner upright mounting rising, operating efficiency is promoted.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of fork truck working device;
Fig. 2 is the birds-eye view of fork truck working device;
Fig. 3 is the assembly drowing of door frame lifting mechanism and outer mast and inner upright mounting;
Fig. 4 is the structural representation of fork truck working device after removing the parts such as outer mast, inner upright mounting, goods shelf;
Fig. 5 is the structural representation of side lift oil tank;
Fig. 6 is the structural representation of the second cylinder head seat;
Fig. 7 is the structural representation of entablatrance assembly;
Fig. 8 is the assembly drowing of fastening device and side lift oil tank and outer channel-section steel;
Be labeled as in figure:
1, goods shelf; 2, outer mast; 21, outer channel-section steel; 22, entablatrance plate; 23, bottom rail beam slab; 24, intermediate plate; 25, projection; 26, mounting hole; 3, inner upright mounting; 31, interior channel-section steel; 32, the first chaining plate; 4, shelf lifting mechanism; 41, middle lift oil tank; 42, the first chain; 43, the first sprocket wheel; 44, the first cylinder head seat; 45, the second chaining plate; 5, door frame lifting mechanism; 51, side lift oil tank; 52, the second chain; 53, the second sprocket wheel; 54, the 3rd chain; 55, the 3rd sprocket wheel; 56, the 4th sprocket wheel; 57, the 5th sprocket wheel; 58, the second cylinder head seat; 59, the first sprocket shaft; 510, the second sprocket shaft; 6, fastening device; 61, U-bolt; 62, fixed block; 63, adjustment block; 64, briquetting.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 8, a kind of fork truck working device of the present invention, for the complete free equipment of two-stage, it comprises outer mast 2, inner upright mounting 3 and goods shelf 1, goods shelf 1 and inner upright mounting 3 sliding block joint and the shelf lifting mechanism 4 be provided with between goods shelf 1 and inner upright mounting 3 for driving goods shelf 1 to rise, inner upright mounting 3 and outer mast 2 sliding block joint and the door frame lifting mechanism 5 be provided with between outer mast 2 and inner upright mounting 3 for driving inner upright mounting 3 to rise, shelf lifting mechanism 4 and door frame lifting mechanism 5 are all hydraulic lifting mechanism.The door frame lifting mechanism 5 of this fork truck working device comprises the side lift oil tank 51 be connected with outer mast 2 and inner upright mounting 3, and this side lift oil tank 51 drives the distance of inner upright mounting 3 movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank 51.Compared to the door frame lifting mechanism 5 of prior art, two lift oil tanks are set, the door frame lifting mechanism 5 of this fork truck working device only arranges a side lift oil tank 51, not only manufacturing cost can be saved, and side lift oil tank 51 when driving inner upright mounting 3 to rise the miles of relative movement of inner upright mounting 3 longer relative to cylinder body miles of relative movement than piston rod, thus operating efficiency is promoted.
Specifically, the integral structure that the outer mast 2 of fork truck working device is mainly connected into by the crossbeam of two levels by two vertical outer channel-section steels 21, the integral structure that in inner upright mounting 3 is vertical by two, channel-section steel 31 is connected into by the crossbeam of two levels.Inner upright mounting 3 passes through at the roller of the arranged outside of two interior channel-section steels 31 and outer channel-section steel 21 sliding block joint of outer mast 2, the roller of inner upright mounting 3 both sides embeds in guide groove vertical in channel-section steel 21 outside both sides respectively, under the effect of door frame lifting mechanism 5, side lift oil tank 51 can drive inner upright mounting 3 to move up along outer channel-section steel 21.Goods shelf 1 and the structure of inner upright mounting 3 sliding block joint and the identical of prior art, goods shelf 1 is by stretching into roller and inner upright mounting 3 sliding block joint of the arranged outside of two slide plates between two interior channel-section steels 31, roller on goods shelf 1 embeds in guide groove vertical in channel-section steel 31 in both sides respectively, under the effect of shelf lifting mechanism 4, shelf lifting mechanism 4 can drive goods shelf 1 to drive pallet fork synchronously to move up along interior channel-section steel 31, thus realizes the action that hoists of goods shelf 1 and pallet fork.
As shown in the figure, shelf lifting mechanism 4 is the midways location of the Width being positioned at inner upright mounting 3, and this shelf lifting mechanism 4 comprises middle lift oil tank 41 and the first chain drive.Middle lift oil tank 41 vertical is fixedly mounted on inner upright mounting 3, it parallels with interior channel-section steel 31, concrete, middle lift oil tank 41 is the middle position being positioned at two channel-section steels 31, the cylinder body of middle lift oil tank 41 is connected with inner upright mounting 3 in the middle position of inner upright mounting 3, the cylinder body of middle lift oil tank 41 is that bottom is being fixedly connected with by the crossbeam of connecting panel with the level of two on inner upright mounting 3 with at close medium position respectively, thus the fixed installation of lift oil tank 41 on inner upright mounting 3 in realizing.Middle lift oil tank 41 between the crossbeam and goods shelf 1 of inner upright mounting 3, the piston rod of middle lift oil tank 41 stretches out from the upper end of cylinder body, the external part of piston rod is installed with first cylinder head seat 44, first cylinder head seat 44 is provided with two respectively towards the circular shaft that channel-section steel in both sides 31 direction is stretched out, two circular shafts be coaxial and centered by piston rod axis line symmetrical, the axis of two circular shafts and vertical with the length direction of interior channel-section steel 31.
First chain drive of shelf lifting mechanism 4 comprises the first sprocket wheel 43 be connected with the first cylinder head seat 44 of the piston rod end of middle lift oil tank 41 and the first chain 42 engaged with the first sprocket wheel 43, first sprocket wheel 43 is provided with two, be arranged on respectively on two circular shafts on the first cylinder head seat 44, guarantee that two the first sprocket wheels 43 are coaxial rotation.Corresponding first chain 42 is also provided with two, be hung in first sprocket wheel 43 and be mated transmission, first chain 42 is the reel chain do not closed, one end of first chain 42 is fixedly connected with the second chaining plate 45 that the cylinder body of middle lift oil tank 41 is arranged by bolt, and the other end is that the chaining plate arranged by bolt and goods shelf 1 bottom is connected.The position of the second chaining plate 45 on the cylinder body of middle lift oil tank 41 is the upper end near cylinder body, middle lift oil tank 41 be in do not hoist state time, the end that the first chain 42 is connected with the second chaining plate 45 is the top being positioned at the end be connected with the chaining plate on goods shelf 1.
As shown in the figure, the side lift oil tank 51 of door frame lifting mechanism 5 is positioned at inner upright mounting 3 one proceeds posterolateral, specifically between the crossbeam on the outer channel-section steel 21 and outer mast 2 of outer mast 2 side.This side lift oil tank 51 comprises the cylinder body be connected with outer channel-section steel 21 and the piston rod be connected with inner upright mounting 3 by chain drive, the cylinder body of side lift oil tank 51 to be fixedly connected with outer channel-section steel 21 by fastening device 6 and to parallel with outer channel-section steel 21, thus realize the fixed installation of side lift oil tank 51 on outer mast 2.Chain drive comprises the second chain drive be connected with inner upright mounting 3 side and the 3rd chain drive be connected with inner upright mounting 3 opposite side, second chain drive is also positioned at the same side of inner upright mounting 3 with side lift oil tank 51, thus door frame lifting mechanism 5 both sides relative on inner upright mounting 3 are connected with it, guarantee that inner upright mounting 3 can reliably hoist and decline by pulsation-free.
Concrete, one end that the second chain drive comprises the second sprocket wheel 53 be connected with the piston rod of side lift oil tank 51 and the second chain 52, second chain 52 engaged with the second sprocket wheel 53 is connected with outer mast 2, and the other end is connected with inner upright mounting 3 side.3rd chain drive comprises the 3rd sprocket wheel 55 be connected with the piston rod of side lift oil tank 51 and the 3rd chain 54 engaged with the 3rd sprocket wheel 55, one end of 3rd chain 54 is connected with outer mast 2, the other end is connected with the opposite side of inner upright mounting 3, and the second sprocket wheel 53 and the 3rd sprocket wheel 55 are distributed in the both sides of piston rod.The piston rod of side lift oil tank 51 stretches out from the upper end of cylinder body, the external part of this piston rod is installed with second cylinder head seat 58, second cylinder head seat 58 is provided with two circular shafts stretched out, be respectively the first sprocket shaft 59 for installing the second sprocket wheel 53 and the second sprocket shaft 510 for installing the 3rd sprocket wheel 55, first sprocket shaft 59 and the second sprocket shaft 510 are the both sides laying respectively at piston rod, first sprocket shaft 59 is between outer channel-section steel 21 and piston rod and the first sprocket shaft 59 stretches out towards dead ahead, second sprocket shaft 510 is between piston rod and entablatrance assembly, the axes intersect of the first sprocket shaft 59 and the second sprocket shaft 510 and being located in the same horizontal plane, there is between two axial lines certain angle, this angle is obtuse angle, the second sprocket shaft 510 is made to be the state of channel-section steel 31 place azimuthal tilt in inner upright mounting 3 opposite side.
Second chain 52 hangs on the second sprocket wheel 53 and is mated transmission, and one end of the second chain 52 is fixedly connected with outer mast 2 by bolt, the other end by bolt with adjacent in the first chaining plate 32 that channel-section steel 31 is arranged be fixedly connected with.3rd chain 54 hangs on the 3rd sprocket wheel 55 and is mated transmission, one end of 3rd chain 54 to be fixedly connected with outer mast 2 by bolt equally and the end that this end and the second chain 52 are connected with outer mast 2 is co-located at the same side of side lift oil tank 51, and the first chaining plate 32 in the other end of the 3rd chain 54 is far away with distance side lift oil tank 51 by bolt, channel-section steel 31 arranged is fixedly connected with.The first chaining plate 32 on two interior channel-section steels 31 is the positions between inner upright mounting 3 two horizontal girds, two the first chaining plate 32 aligned in position, are in equal height, guarantees that the second chain 52 and the 3rd chain 54 and the point of connection of inner upright mounting 3 are in and aligns.
Second chain 52 and the 3rd chain 54 are the reel chain do not closed, and because the 3rd chain 54 two ends are distant, therefore the length of the 3rd chain 54 is longer than the length of the second chain 52.3rd chain drive also comprises the 4th sprocket wheel 56 and the 5th sprocket wheel 57 that engage with the 3rd chain 54, the axis of the 4th sprocket wheel 56 and the 5th sprocket wheel 57 parallels with the axis of the 3rd sprocket wheel 55,5th sprocket wheel 57 is between the 3rd sprocket wheel 55 and the 4th sprocket wheel 56, and the 4th sprocket wheel 56 is the inner sides of the channel-section steel 31 being positioned at inner upright mounting 3 opposite side.
As shown in Figure 7, outer mast 2 also comprises the entablatrance assembly being positioned at upper end, and entablatrance assembly comprises the entablatrance plate 22, intermediate plate 24 and the bottom rail beam slab 23 that set gradually from top to bottom.The structure of entablatrance plate 22 and bottom rail beam slab 23 as shown in the figure, comprise two side arms paralleled and horizontal cross plate connected vertically with two side arms, entablatrance plate 22 is substantially identical with the global shape of bottom rail beam slab 23, different is that side arm adjacent with side lift oil tank 51 on bottom rail beam slab 23 is provided with two mounting holes 26, the end of the second chain 52 and the end of the 3rd chain 54 are used for fixing bolt and insert in two mounting holes 26 fixing respectively, thus realize the second chain 52, the 3rd chain 54 is fixedly connected with outer mast 2.Entablatrance plate 22 and bottom rail beam slab 23 are welded to connect by the front end of the side arm of both sides and two outer channel-section steels 21, and two outer channel-section steels 21 are between two side arms.Intermediate plate 24 is long rectangular plate, intermediate plate 24 is welded to connect with entablatrance plate 22 and bottom rail beam slab 23 between entablatrance plate 22 and bottom rail beam slab 23, intermediate plate 24 and for from entablatrance plate 22 side with the side arm of side lift oil tank 51 photograph extend in the side arm of the state tilted towards opposite side.The axis of the 3rd sprocket wheel 55 is perpendicular with intermediate plate 24 side length direction, 4th sprocket wheel 56 and the 5th sprocket wheel 57 to be arranged on intermediate plate 24 by sprocket shaft and to be positioned at the same side of intermediate plate 24, intermediate plate 24 is arranged to heeling condition, so that arrange the 4th sprocket wheel 56 and the 5th sprocket wheel 57, guarantee that the axis of the 4th sprocket wheel 56 and the 5th sprocket wheel 57 parallels with the axis of the 3rd sprocket wheel 55.Intermediate plate 24 is also provided with a projection 25 protruded downwards, this projection 25 is provided with one for installing the through hole of the sprocket shaft of the 5th sprocket wheel 57, intermediate plate 24 is also provided with one for installing the through hole of the sprocket shaft of the 4th sprocket wheel 56, the position of this through hole is positioned at the inner side of this channel-section steel 31 near inner upright mounting 3 away from channel-section steel 31 in side lift oil tank 51, this through hole is apart from the height bottom outer mast 2 and higher than the height of the through hole on projection 25 bottom outer mast 2, so just make the height of the 5th sprocket wheel 57 lower than the 4th sprocket wheel 56, 3rd chain 54 engages with it in the below of the 5th sprocket wheel 57, and engage with it above the 4th sprocket wheel 56.
As shown in the figure, it comprises U-bolt 61, fixed block 62, adjustment block 63 and briquetting 64 to the fastening device 6 be fixedly connected with outer channel-section steel 21 for the cylinder body of side lift oil tank 51.Fixed block 62 is weldingly fixed on outer channel-section steel 21, and in the horizontal direction toward the outside the rear side of channel-section steel 21 stretch out, U-bolt 61 is enclosed within cylinder body, fixed block 62 is provided with two through holes allowing the two ends of U-bolt 61 pass, adjustment block 63 and briquetting 64 are clipped between cylinder body and fixed block 62, the side of briquetting 64 is the arc surface contacted with outer surface of cylinder block, and opposite side is the plane contacted with adjustment block 63.The two ends of U-bolt 61, through after fixed block 62, are undertaken fastening by nut.In the present embodiment, fastening device 6 is provided with upper and lower two altogether.The fastening device 6 of this structure, under the effect of briquetting 64 and U-bolt 61, side lift oil tank 51 is rigidly mounted on outer mast 2, and such side lift oil tank 51 is in stationary state all the time, guarantees side lift oil tank 51 stability operationally.
The fork truck working device of said structure, owing to only arranging a side lift oil tank 51, the upper end of side lift oil tank 51 is provided with the sprocket wheel along with piston rod movement, sprocket wheel is connected with inner upright mounting 3 by chain, thus inner upright mounting 3 can be driven to rise, with when door frame lifting mechanism 5 starts to work, compared with the direction adopting two, left and right lift oil tank to carry out driving in prior art, its operating efficiency can double, namely when the piston rod opposing cylinder of side lift oil tank 51 moves up apart from during for h, the distance that door frame lifting mechanism 5 drives inner upright mounting 3 to rise is 2h.Simultaneously owing to only adopting a side lift oil tank 51, productive costs can be reduced
Fork truck working device of the present invention can be widely used in little tonnage fork car.
Present invention also offers a kind of fork truck, comprise above-mentioned fork truck working device.The concrete structure of this fork truck working device can refer to Fig. 1 to Fig. 8, does not repeat them here.The fork truck working device in above-described embodiment is comprised, so it has all advantages of above-mentioned fork truck working device due to fork truck of the present invention.
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1. fork truck working device, comprise outer mast, inner upright mounting and goods shelf, goods shelf and inner upright mounting sliding block joint and the shelf lifting mechanism be provided with between goods shelf and inner upright mounting for driving goods shelf to rise, inner upright mounting and outer mast sliding block joint and the door frame lifting mechanism be provided with between outer mast and inner upright mounting for driving inner upright mounting to rise, it is characterized in that: described door frame lifting mechanism comprises the side lift oil tank be connected with described outer mast and inner upright mounting, side lift oil tank drives the distance of inner upright mounting movement to be greater than the distance of piston rod relative to cylinder body movement of side lift oil tank,
Described side lift oil tank comprises the cylinder body be connected with described outer mast and the piston rod be connected with described inner upright mounting by chain drive; Chain drive comprises the second chain drive be connected with described inner upright mounting side and the 3rd chain drive be connected with inner upright mounting opposite side, and the second chain drive and described side lift oil tank are positioned at the same side of inner upright mounting.
2. fork truck working device according to claim 1, is characterized in that: described shelf lifting mechanism is positioned at the midway location of described inner upright mounting, and described side lift oil tank is positioned at the side of inner upright mounting.
3. fork truck working device according to claim 2, it is characterized in that: described shelf lifting mechanism comprises middle lift oil tank and the first chain drive, the cylinder body of middle lift oil tank is connected with inner upright mounting at the midway location of described inner upright mounting, first chain drive comprises the first sprocket wheel be connected with the piston rod of middle lift oil tank and the first chain coordinated with the first sprocket wheel, one end of first chain is connected with the chaining plate on cylinder body, and the other end is connected with described goods shelf.
4. fork truck working device according to claim 3, is characterized in that: described first sprocket wheel is included in coaxial setting on described middle lift oil tank piston rod and is symmetrical two, and corresponding described first chain is also provided with two.
5. according to the arbitrary described fork truck working device of Claims 1-4, it is characterized in that: described second chain drive comprises the second sprocket wheel be connected with the piston rod of described side lift oil tank and the second chain coordinated with the second sprocket wheel, one end of second chain is connected with described outer mast, and the other end is connected with the side of described inner upright mounting; Described 3rd chain drive comprises the 3rd sprocket wheel be connected with the piston rod of side lift oil tank and the 3rd chain coordinated with the 3rd sprocket wheel, one end of 3rd chain is connected with outer mast, the other end is connected with the opposite side of inner upright mounting, and the second sprocket wheel and the 3rd sprocket wheel are distributed in the both sides of piston rod; 3rd chain drive also comprises the 4th sprocket wheel engaged with the 3rd chain.
6. fork truck working device according to claim 5, it is characterized in that: described second sprocket wheel and the described axes intersect of the 3rd sprocket wheel and the angle between two axial lines is obtuse angle, the axis of described 4th sprocket wheel parallels with the axis of the 3rd sprocket wheel, and described 3rd chain drive also comprises and to engage with described 3rd chain and the 5th sprocket wheel between the 3rd sprocket wheel and the 4th sprocket wheel.
7. fork truck working device according to claim 6, it is characterized in that: described outer mast comprises the entablatrance assembly being positioned at upper end, entablatrance assembly comprises the entablatrance plate, intermediate plate and the bottom rail beam slab that set gradually from top to bottom, described second chain is connected with bottom rail beam slab with the end of the 3rd chain, the axis of described 3rd sprocket wheel and the length direction of intermediate plate perpendicular, the sprocket shaft of described 4th sprocket wheel and the 5th sprocket wheel is arranged on intermediate plate.
8. a fork truck, is characterized in that: comprise the arbitrary described fork truck working device of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163100.6A CN103910312B (en) | 2014-04-22 | 2014-04-22 | Fork truck working device and there is its fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163100.6A CN103910312B (en) | 2014-04-22 | 2014-04-22 | Fork truck working device and there is its fork truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103910312A CN103910312A (en) | 2014-07-09 |
| CN103910312B true CN103910312B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410163100.6A Expired - Fee Related CN103910312B (en) | 2014-04-22 | 2014-04-22 | Fork truck working device and there is its fork truck |
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| CN (1) | CN103910312B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315463A (en) * | 2016-08-19 | 2017-01-11 | 杭州港力液压机械有限公司 | Free lifting double-portal frame system |
| CN108529504B (en) * | 2018-05-31 | 2023-08-04 | 安徽合力股份有限公司 | Multistage lifting forklift mast assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201560098U (en) * | 2009-12-11 | 2010-08-25 | 杭州叉车门架有限公司 | Four-cylinder full-free forklift mast |
| CN102107836A (en) * | 2009-12-25 | 2011-06-29 | 杭州友高精密机械有限公司 | Novel forklift truck gantry, |
| CN102491229A (en) * | 2011-12-14 | 2012-06-13 | 苏州先锋物流装备科技有限公司 | Forklift with wide-view gantries |
| CN202968024U (en) * | 2012-11-23 | 2013-06-05 | 苏州先锋物流装备科技有限公司 | Double-portal-frame system |
| CN102976231A (en) * | 2012-11-23 | 2013-03-20 | 苏州先锋物流装备科技有限公司 | Three-gantry system |
| CN202936170U (en) * | 2012-12-06 | 2013-05-15 | 安徽好运机械有限公司 | Second pulley block system device of forklift three-section full-free vehicle frame |
| CN203820401U (en) * | 2014-04-22 | 2014-09-10 | 奇瑞重工股份有限公司 | Working device for forklift truck and forklift truck with working device |
-
2014
- 2014-04-22 CN CN201410163100.6A patent/CN103910312B/en not_active Expired - Fee Related
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| CN103910312A (en) | 2014-07-09 |
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