CN214570497U - Forklift portal frame device and forward forklift thereof - Google Patents
Forklift portal frame device and forward forklift thereof Download PDFInfo
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- CN214570497U CN214570497U CN202120762002.XU CN202120762002U CN214570497U CN 214570497 U CN214570497 U CN 214570497U CN 202120762002 U CN202120762002 U CN 202120762002U CN 214570497 U CN214570497 U CN 214570497U
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- rail channel
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Abstract
The utility model discloses a fork truck portal device and antedisplacement formula fork truck thereof, including the mobilizable portal subassembly that sets up on the automobile body, portal subassembly outside is provided with has gliding interior balladeur train from top to bottom, the rotatable fork subassembly that is connected with of slope jar through setting up in the interior balladeur train outside, portal subassembly including cup joint each other, and have a plurality of gantries of take-off and landing or horizontal slip, the portal includes the frame construction that the parallel slide rail channel-section steel and an at least transverse connection's crossbeam are constituteed about by, both ends are provided with the gyro wheel of a set of and adjacent slide rail channel-section steel contact respectively at least about the portal. The utility model effectively improves the strength and rigidity of each portal frame by arranging the structure reinforcing components such as the connecting piece, the box-type connecting piece, the flange rib and the lacing wire on each level of portal frame, so as to ensure that the deformation is small when the portal frame is lifted up; meanwhile, the tilting cylinder is arranged on the outer side of the portal frame, the force arm of the tilting cylinder is large, the required diameter is small, and the stroke is small.
Description
Technical Field
The utility model relates to a fork truck equipment technical field specifically is a fork truck portal device and antedisplacement formula fork truck thereof.
Background
The forward-moving forklift has the characteristics of a counter weight forklift and a storage stacking car, and can stack goods when the forward-moving forklift moves to the forefront. The stacker is stored when the stacker is retracted to the end, and has the best stability and smaller passage requirement.
The hoisting system of the reach forklift is used for lifting and descending the goods, and the goods are taken, placed and stacked by combining the forward and backward movement of the hoisting system or the forward and backward movement of the whole forklift. The lifting device comprises a supporting frame, generally called a portal frame, and an oil cylinder, a chain wheel, a chain and a roller wheel which are arranged on a lifting system, and the supporting frame, the chain wheel, the chain and the roller wheel are combined to bear the weight of goods and transfer the moment generated by the goods. The hoisting system of the forward fork lift simultaneously provides a certain fork inclination angle so as to make the goods stable when the goods enter the fork and run backward when the goods incline forward, and the common hoisting system of the forward fork lift comprises a two-stage portal frame and a three-stage portal frame. The hoisting system of the existing forward fork truck has the following obvious defects in the actual use process:
1. the rigidity of the portal frame is insufficient, and the portal frame has large deformation and is easy to shake when being lifted at a high position;
2. the inclined cylinder is arranged on the inner side of the inner sliding frame, so that the middle visual field is seriously influenced, and the arrangement of corresponding pipelines is inconvenient due to the limited inner space of the inner sliding frame; the force arm of the inclined cylinder is smaller, so that under the same hydraulic system pressure, the required outer diameter of the oil cylinder is larger, the stroke of the oil cylinder is also larger, and the space and the visual field are further influenced;
3. the hydraulic piping arrangement is decentralized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fork truck portal device and antedisplacement formula fork truck thereof to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a fork truck portal device, includes the mobilizable portal subassembly that sets up on the automobile body, portal subassembly outside is provided with the interior carriage of gliding from top to bottom has, interior carriage is through the rotatable fork subassembly that is connected with of slope jar, the carriage outside including the slope jar sets up, portal subassembly including cup joint each other, and have a plurality of gantries of take off and land or horizontal slip, the portal includes the frame construction of the crossbeam constitution by the slide rail channel-section steel of controlling parallel and an at least transverse connection, both ends are provided with the gyro wheel of a set of and adjacent slide rail channel-section steel contact respectively at least about the portal, still be provided with the structure on the portal and strengthen the subassembly.
Preferably, the door frame assembly comprises an outer door frame which is arranged on the vehicle body and can horizontally move along the vehicle body, a middle door frame which can slide up and down is sleeved in the outer door frame, an inner door frame which can slide up and down is sleeved in the middle door frame, and an inner sliding frame which can move up and down is arranged on the inner door frame.
Preferably, the outer door frame comprises a frame structure which is formed by a first left slide rail channel steel and a first right slide rail channel steel which are parallel left and right and are transversely connected through a first cross beam, the lower ends of the first left slide rail channel steel and the first right slide rail channel steel are connected with a pulley component and are assisted and reinforced through a box-type connecting piece, a pair of first idler wheels are arranged at the upper ends of the first left slide rail channel steel and the first right slide rail channel steel respectively, the upper ends of the first left slide rail channel steel and the first right slide rail channel steel are transversely connected through a transverse connecting plate, a rear lifting cylinder used for driving the middle door frame and the inner door frame to slide up and down is arranged on the parallel positions of the first left slide rail channel steel and the first right slide rail channel steel, and the rear lifting cylinder is communicated with a first pipeline component arranged on the side face of the first left slide rail channel steel.
Preferably, well portal includes by controlling parallel, and the frame construction that second left side slide rail channel-section steel and second right side slide rail channel-section steel through second crossbeam transverse connection constitute, be provided with on second left side slide rail channel-section steel and the second right side slide rail channel-section steel parallel position with second crossbeam interconnect's edge of a wing rib, both ends are provided with the second gyro wheel respectively about second left side slide rail channel-section steel and the second right side slide rail channel-section steel, be provided with the second sprocket assembly that both ends are connected with outer portal and interior portal respectively on second left side slide rail channel-section steel and the second right side slide rail channel-section steel.
Preferably, interior portal includes by controlling parallel, and through the frame construction that third left side slide rail channel-section steel and third right side slide rail channel-section steel of third crossbeam transverse connection constitute, be provided with on third left side slide rail channel-section steel and the third right side slide rail channel-section steel parallel position with third crossbeam interconnect's lacing wire, third left side slide rail channel-section steel and third right side slide rail channel-section steel lower extreme are provided with a set of third gyro wheel, it plays to rise the jar to be provided with between third left side slide rail channel-section steel and the third right side slide rail channel-section steel to be used for driving in the balladeur train before gliding, it is connected with the third sprocket assembly who is connected with interior balladeur train to play to rise the jar flexible end in the front.
Preferably, the inner sliding frame comprises a vertical plate connected through a transverse plate, at least three groups of fourth rollers are arranged on the vertical plate, the transverse plate is rotatably connected with the fork assembly, and inclined cylinders used for driving the fork assembly to incline are arranged on the transverse plate and positioned on two sides of the vertical plate.
Preferably, the fork assembly includes a set of horizontal fork frames connected by a link frame and a link plate, the link frame being rotatably connected to the cross plate, the fork frames having forks adjustably disposed thereon.
The application still provides a forward type fork truck, include the aforesaid a fork truck portal device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model effectively improves the strength and rigidity of each portal frame by arranging the box-type connecting piece, the flange ribs, the lacing wires and other structure reinforcing components on the portal frames at all levels, so as to ensure small deformation when the portal frame is lifted up; meanwhile, the tilting cylinder is arranged on the outer side of the portal frame, the force arm of the tilting cylinder is large, the required diameter is small, the stroke is small, and the sight line is not influenced; and the corresponding hydraulic pipeline is tightly attached to the gantry, so that the device is clear and attractive.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the outer gantry of the present invention;
FIG. 3 is a schematic structural view of the middle door frame of the present invention;
fig. 4 is a schematic structural view of the inner gantry of the present invention;
FIG. 5 is a schematic view of the inner slide frame of the present invention;
FIG. 6 is a schematic structural view of a fork assembly of the present invention;
fig. 7 is the schematic view of the forward fork lift truck of the present invention.
In the figure: the automatic lifting device comprises a portal frame assembly 1, an outer portal frame 2, a first left slide rail channel steel 21, a first right slide rail channel steel 22, a first cross beam 23, a transverse connecting plate 24, a first roller 25, a rear lifting cylinder 26, a first pipeline assembly 27, a box-type connecting piece 28, a middle portal frame 3, a second left slide rail channel steel 31, a second right slide rail channel steel 32, a flange rib 33, a second cross beam 34, a second roller 35, a second chain wheel assembly 36, an inner portal frame 4, a third left slide rail channel steel 41, a third right slide rail channel steel 42, a lacing wire 43, a third cross beam 44, a third roller 45, a third chain wheel assembly 46, a front lifting cylinder 47, an inner carriage 5, a vertical plate 51, a transverse plate 52, an inclined cylinder 53, a fourth roller 54, a fork assembly 6, a fork frame 61, a fork 62, a connecting frame 63, a connecting plate 64 and a trolley assembly 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a forklift mast device comprises a movable mast assembly 1 arranged on a vehicle body, wherein an inner sliding frame 5 capable of sliding up and down is arranged on the outermost side of the mast assembly 1, the inner sliding frame 5 is rotatably connected with a pallet fork assembly 6 through an inclined cylinder 53, the inclined cylinder 53 is arranged on the outer side of the inner sliding frame 5, the inclined cylinder 53 is arranged on the outer side of the mast, the arm of force of the inclined cylinder 53 is large, the required diameter is small, the stroke is small, and the sight line is not influenced; the gantry assembly 1 comprises a plurality of gantries which are mutually sleeved and have a lifting function or a horizontal sliding function, each gantry comprises a frame structure which is composed of left and right parallel slide rail channel steel and at least one transverse connecting beam, a group of rollers in contact with adjacent slide rail channel steel are arranged at the upper end and the lower end of each gantry at least, and a structure reinforcing assembly is further arranged on each gantry.
The door frame assembly 1 comprises an outer door frame 2 which is arranged on the vehicle body and can horizontally move along the vehicle body, a middle door frame 3 which can slide up and down is sleeved in the outer door frame 2, an inner door frame 4 which can slide up and down is sleeved in the middle door frame 3, and an inner sliding frame 5 which can move up and down is arranged on the inner door frame 4.
The outer gantry 2 comprises a frame structure formed by a group of first left slide rail channel steel 21 and first right slide rail channel steel 22 which are parallel left and right and are transversely connected through a first cross beam 23, the lower ends of the first left slide rail channel steel 21 and the first right slide rail channel steel 22 are connected with a trolley assembly 7 and are in auxiliary reinforced connection through box type connecting pieces 28, the upper ends of the first left slide rail channel steel 21 and the first right slide rail channel steel 22 are respectively provided with a pair of first idler wheels 25, and the first idler wheels 25 are in contact with a second left slide rail channel steel 31 and a second right slide rail channel steel 32 of the middle gantry 3; two ends of the pulley assembly 7 are clamped on the support legs at two sides of the trolley body, and the whole gantry assembly 1 can move back and forth under the action of a power device; the upper ends of the first left slide rail channel steel 21 and the first right slide rail channel steel 22 are transversely connected through a transverse connecting plate 24, in the technical scheme of the embodiment, the connecting plate 24 is in an X shape, a rear lifting cylinder 26 for driving the middle door frame 3 and the inner door frame 4 to slide up and down is arranged at the position where the first left slide rail channel steel 21 and the first right slide rail channel steel 22 are parallel, and the rear lifting cylinder 26 is communicated with a first pipeline assembly 27 arranged on the side surface of the first left slide rail channel steel 21; by arranging the connecting plate 24 and the box-type connecting piece 28, the strength and rigidity of the outer gantry 2 are effectively enhanced, the deformation in work is reduced, and meanwhile, the related pipeline assembly is arranged in a manner of clinging to the gantry, so that the hydraulic pipeline is cleaned regularly;
the middle portal frame 3 comprises a frame structure formed by a second left slide rail channel steel 31 and a second right slide rail channel steel 32 which are parallel left and right and transversely connected through five second cross beams 34, flange ribs 33 which are mutually connected with the second cross beams 34 are arranged at the parallel positions of the second left slide rail channel steel 31 and the second right slide rail channel steel 32, and the flange ribs 33 can increase the rigidity and the strength of the middle portal frame 3 and reduce the deformation amount of the middle portal frame; the upper ends and the lower ends of a second left slide rail channel steel 31 and a second right slide rail channel steel 32 are respectively provided with a second roller 35, the second rollers 35 at the upper ends are contacted with a third left slide rail channel steel 41 and a third right slide rail channel steel 42 at two sides of an inner door frame 4, the second rollers 35 at the lower ends are contacted with a first left slide rail channel steel 21 and a first right slide rail channel steel 22 of an outer door frame 2, the second left slide rail channel steel 31 and the second right slide rail channel steel 32 are provided with second chain wheel assemblies 36, the two ends of each second chain wheel assembly are respectively connected with the outer door frame 2 and the inner door frame 4, a rear lifting cylinder 26 drives a middle door frame 3 to lift and slide along the outer door frame 2, one end of each second chain wheel assembly 36 is fixedly connected with the outer door frame 2, the other end of each second chain wheel assembly is connected with the inner door frame 4, and the outer door frame 2 is fixedly arranged and does not slide up and down, so that the middle door frame 3 can be linked with the outer door frame 2 to move up and down synchronously in the lifting process;
the inner gantry 4 comprises a frame structure formed by a third left slide rail channel steel 41 and a third right slide rail channel steel 42 which are parallel left and right and transversely connected through five third cross beams 44, tie bars 43 which are mutually connected with the third cross beams 44 are arranged at the parallel positions of the third left slide rail channel steel 41 and the third right slide rail channel steel 42, a group of third rollers 45 are arranged at the lower ends of the third left slide rail channel steel 41 and the third right slide rail channel steel 42, the third rollers 45 are in contact with the second left slide rail channel steel 31 and the second right slide rail channel steel 32 at the two sides of the middle gantry 3, a front lifting cylinder 47 for driving the inner carriage 5 to slide up and down is arranged between the third left slide rail channel steel 41 and the third right slide rail channel steel 42, and the telescopic end of the front lifting cylinder 47 is connected with a third chain wheel assembly 46 connected with the inner carriage 5;
the inner sliding frame 5 comprises a vertical plate 51 connected through a transverse plate 52, at least three groups of fourth rollers 54 are arranged on the vertical plate 51, the transverse plate 52 is rotatably connected with the pallet fork assembly 6, the transverse plate 52 and the inclined cylinders 53 for driving the pallet fork assembly 6 to incline are arranged on the positions, located on the two sides of the vertical plate 51, of the transverse plate 51, the two groups of inclined cylinders 53 are arranged on the two sides of the vertical plate 51, the force arms of the inclined cylinders 53 are large, the required diameter is small, the stroke is small, and the sight line is not influenced;
the fork assembly 6 comprises a group of horizontal fork frames 61 connected through connecting frames 63 and connecting plates 64, the connecting frames 63 are rotatably connected with the transverse plates 52, the fork frames 61 are adjustably provided with forks 62, and the forks 62 on two sides are connected with a hydraulic assembly and a transmission assembly, so that the fork assembly has a distance adjusting function.
The application still provides a reach fork truck, including the aforesaid a fork truck portal device, the driver sets up in one side of automobile body, because portal device structure is very compact, the driver has very good field of vision this moment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fork truck portal device, includes mobilizable portal subassembly (1) of setting on the automobile body, portal subassembly (1) outside is provided with gliding interior carriage (5) about having, its characterized in that: interior balladeur train (5) are through rotatable fork subassembly (6) that is connected with of slope jar (53), balladeur train (5) outside including slope jar (53) set up, portal subassembly (1) including cup joint each other, and have a plurality of gantries of take-off and landing or horizontal slip, the portal includes the frame construction of constituteing by parallel slide rail channel-section steel and an at least transverse connection's crossbeam about controlling, both ends are provided with the gyro wheel of a set of and adjacent slide rail channel-section steel contact respectively at least about the portal, still be provided with the structure on the portal and strengthen the subassembly.
2. The forklift mast apparatus of claim 1, wherein: the gantry assembly (1) comprises an outer gantry (2) which is arranged on a vehicle body and can horizontally move along the vehicle body, a middle gantry (3) which slides up and down is sleeved in the outer gantry (2), an inner gantry (4) which slides up and down is sleeved in the middle gantry (3), and an inner sliding frame (5) which moves up and down is arranged on the inner gantry (4).
3. The forklift mast apparatus of claim 2, wherein: the outer gantry (2) comprises a frame structure which is composed of a first left slide rail channel steel (21) and a first right slide rail channel steel (22) which are parallel left and right and are transversely connected through a first cross beam (23), the lower ends of the first left slide rail channel steel (21) and the first right slide rail channel steel (22) are connected with a pulley assembly (7) and are in auxiliary reinforced connection through a box-type connecting piece (28), the upper ends of the left slide rail channel steel and the right slide rail channel steel are respectively provided with a pair of first rollers (25), the upper ends of the first left slide rail channel steel (21) and the first right slide rail channel steel (22) are transversely connected through a transverse connecting plate (24), a rear lifting cylinder (26) for driving the middle door frame (3) and the inner door frame (4) to slide up and down is arranged at the parallel position of the first left slide rail channel steel (21) and the first right slide rail channel steel (22), and the rear lifting cylinder (26) is communicated with a first pipeline assembly (27) arranged on the side surface of the first left slide rail channel steel (21).
4. The forklift mast apparatus of claim 2, wherein: well portal (3) include by control parallel, and through the frame construction that second left side slide rail channel-section steel (31) of second crossbeam (34) transverse connection and second right side slide rail channel-section steel (32) constitute, be provided with on second left side slide rail channel-section steel (31) and second right side slide rail channel-section steel (32) parallel position with flange rib (33) of second crossbeam (34) interconnect, both ends are provided with second gyro wheel (35) respectively about second left side slide rail channel-section steel (31) and second right side slide rail channel-section steel (32), be provided with second sprocket assembly (36) that both ends are connected with outer portal (2) and interior portal (4) respectively on second left side slide rail channel-section steel (31) and second right side slide rail channel-section steel (32).
5. The forklift mast apparatus of claim 2, wherein: interior portal (4) include by controlling parallel, and through the third left side slide rail channel-section steel (41) of third crossbeam (44) transverse connection and the frame construction that third right side slide rail channel-section steel (42) constitutes, be provided with lacing wire (43) with third crossbeam (44) interconnect on third left side slide rail channel-section steel (41) and third right side slide rail channel-section steel (42) parallel position, third left side slide rail channel-section steel (41) and third right side slide rail channel-section steel (42) lower extreme are provided with a set of third gyro wheel (45), it plays to rise jar (47) to be provided with between third left side slide rail channel-section steel (41) and third right side slide rail channel-section steel (42) to be used for in the drive balladeur train (5) gliding preceding, it has third sprocket assembly (46) of being connected with interior balladeur train (5) to play to rise jar (47) flexible end in the front.
6. The forklift mast apparatus of claim 2, wherein: the inner sliding frame (5) comprises a vertical plate (51) connected through a transverse plate (52), at least three groups of fourth rollers (54) are arranged on the vertical plate (51), the transverse plate (52) is rotatably connected with the fork assembly (6), and inclined cylinders (53) used for driving the fork assembly (6) to incline are arranged on the transverse plate (52) and positioned on two sides of the vertical plate (51).
7. The forklift mast apparatus of claim 2, wherein: the fork assembly (6) comprises a group of horizontal fork frames (61) connected through a connecting frame (63) and a connecting plate (64), the connecting frame (63) is rotatably connected with the transverse plate (52), and the fork frames (61) are adjustably provided with forks (62).
8. A forward-moving forklift, characterized in that: comprising a forklift mast assembly as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762002.XU CN214570497U (en) | 2021-04-14 | 2021-04-14 | Forklift portal frame device and forward forklift thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762002.XU CN214570497U (en) | 2021-04-14 | 2021-04-14 | Forklift portal frame device and forward forklift thereof |
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| Publication Number | Publication Date |
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| CN214570497U true CN214570497U (en) | 2021-11-02 |
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| CN202120762002.XU Active CN214570497U (en) | 2021-04-14 | 2021-04-14 | Forklift portal frame device and forward forklift thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112938834A (en) * | 2021-04-14 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Forklift portal frame device and forward forklift thereof |
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2021
- 2021-04-14 CN CN202120762002.XU patent/CN214570497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112938834A (en) * | 2021-04-14 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Forklift portal frame device and forward forklift thereof |
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