CN218114936U - Hydraulic pipeline arrangement device for forklift three-stage portal accessories - Google Patents

Hydraulic pipeline arrangement device for forklift three-stage portal accessories Download PDF

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Publication number
CN218114936U
CN218114936U CN202222560955.5U CN202222560955U CN218114936U CN 218114936 U CN218114936 U CN 218114936U CN 202222560955 U CN202222560955 U CN 202222560955U CN 218114936 U CN218114936 U CN 218114936U
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pressure oil
gantry
oil pipe
mounting plate
roller
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CN202222560955.5U
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李彦轩
王金华
吕文文
蔡飞飞
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Ensign Heavy Industries Co ltd
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Ensign Heavy Industries Co ltd
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Abstract

The utility model relates to the technical field of forklift equipment, in particular to a hydraulic pipeline arrangement device for a forklift three-stage portal frame attachment, which comprises a middle portal frame, wherein a middle lifting oil cylinder is arranged on the middle portal frame, and a telescopic end of the middle lifting oil cylinder drives a fork frame to lift; the outer gantry is provided with a lifting oil cylinder, and the telescopic end of the lifting oil cylinder drives the middle gantry to lift; the system also comprises a first subsidiary high-pressure oil pipe and a second subsidiary high-pressure oil pipe; the telescopic end of the middle lifting oil cylinder is also provided with a first roller group, and the middle gantry is also provided with a second roller group; one end of the first auxiliary high-pressure oil pipe is fixed on the fork frame, the other end of the first auxiliary high-pressure oil pipe bypasses a first roller group and is fixed on the inner gantry, and rollers of the first roller group rise and fall along with the inner gantry; the other end of the second auxiliary high-pressure oil pipe is fixed on the outer side of the outer door frame by bypassing the second roller set, and rollers of the second roller set lift along with the middle door frame. The utility model discloses effectively promote navigating mate's the field of vision, reduced the cost that tertiary portal pipe-line arranged.

Description

Hydraulic pipeline arrangement device for forklift three-stage portal attachment
Technical Field
The utility model relates to a fork truck equipment technical field, concretely relates to tertiary portal accessory hydraulic line of fork truck arranges device.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.
Triple, quadruple pipeline of most of fork truck's portal in the existing market mostly distribute in the inboard of portal channel-section steel, especially when increasing quadruple pipeline, the position and the structure of arranging of pipeline have seriously influenced fork truck driver's flexibility, travelling comfort, high efficiency. Because of the hydraulic pressure pipeline structure of tertiary portal itself of fork truck is comparatively concentrated, increase four rows of pipelines for the designer on standard portal basis and brought certain space limitation, lead to most quadruple pipeline to arrange all can cause certain interference to driver's the field of vision.
Triple and quadruple pipelines of the three-stage portal of the existing forklift are arranged on the left side or the right side of a driver (namely the inner side of the inner portal is positioned on the left side or the right side of the driver); the visual field of a driver is greatly hindered, the visual field range of the common standard three-stage portal frame is about 400mm, and about 20% of visual field space can be sacrificed by adding the four-way pipeline; especially when the driver is fully loaded and rises to a certain height, the visual field of the driver is very limited, and the safety, the comfort and the high efficiency of the operation of the driver are greatly influenced. Secondly, the triple connection and the quadruple connection are arranged at the outer side of the outer portal channel steel by using pipe rolling devices; the cost of one pipe coiling device is 10% or more than that of the whole forklift, so that the cost performance of the forklift is greatly reduced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a tertiary portal accessory hydraulic pressure pipeline of fork truck arranges device for further improving the flexibility of driver's operation, increaseing its field of vision scope.
In order to achieve the above purpose, the utility model discloses take following technical scheme:
a hydraulic pipeline arrangement device for a forklift three-stage gantry accessory comprises gantries, wherein each gantry comprises an outer gantry, a middle gantry and an inner gantry, the middle gantry is slidably connected to the inner side of the outer gantry, the inner gantries are slidably connected to the inner side of the middle gantry, and the inner gantries are fixedly connected with a fork frame; the inner gantry is provided with a middle lifting oil cylinder, and the telescopic end of the middle lifting oil cylinder drives the fork frame to lift; the outer gantry is provided with an edge lifting oil cylinder, and the telescopic end of the edge lifting oil cylinder drives the middle gantry to lift;
the auxiliary high-pressure oil pipe is used for connecting an accessory to supply oil to the accessory, and comprises a first auxiliary high-pressure oil pipe and a second auxiliary high-pressure oil pipe; the telescopic end of the middle lifting oil cylinder is also provided with a first roller group, and the middle portal is also provided with a second roller group;
one end of the first auxiliary high-pressure oil pipe is fixed on the fork frame, the other end of the first auxiliary high-pressure oil pipe is fixed on the inner door frame by bypassing the first roller train and is connected with the second auxiliary high-pressure oil pipe, and the roller of the first roller train rolls under the action of friction force of the first auxiliary high-pressure oil pipe along with the lifting of the inner door frame; the other end of the second auxiliary high-pressure oil pipe is fixed on the outer side of the outer gantry in a mode of bypassing the second roller set, the second auxiliary high-pressure oil pipe is communicated with the hydraulic pump, and rollers of the second roller set roll under the action of friction force of the second auxiliary high-pressure oil pipe along with the lifting of the middle gantry.
Preferably, the telescopic end of the middle lifting oil cylinder is also provided with a third roller set, and the middle portal is also provided with a fourth roller set; the first roller group and the third roller group are arranged left and right, and the second roller group and the fourth roller group are arranged up and down and are arranged on the upper side of the middle door frame.
Preferably, the first subsidiary high-pressure oil pipe and the second subsidiary high-pressure oil pipe are connected through a two-way body, and the two-way body is fixed on the lower side of the inner gantry.
Preferably, the first roller group and the third roller group share the supporting seat, the supporting seat comprises a first fixing plate, a first mounting plate and a second mounting plate, and roller shafts for mounting the rollers are arranged on the first mounting plate and the second mounting plate.
Preferably, a connecting column is horizontally arranged between the first mounting plate and the second mounting plate, and the first mounting plate, the second mounting plate and the roller shafts thereof are symmetrically arranged around the central axis of the connecting column.
Preferably, the first roller group and the third roller group are provided with corresponding guard plates, the guard plates are fixed on the corresponding first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate are correspondingly provided with first mounting holes.
Preferably, the second roller group comprises a third mounting plate, the third mounting plate is provided with a roller shaft and a second mounting hole, and the middle portal frame is connected through the second mounting hole in a matching manner with a threaded fixing piece.
Preferably, the fourth roller group comprises a second fixing plate and a fourth mounting plate, a roller shaft is arranged on the fourth mounting plate, third mounting holes are correspondingly arranged on the second fixing plate and the third mounting plate, and the fourth roller group is fixed below the second roller group through the third mounting holes matched with the threaded fixing parts.
Preferably, the second roller group further comprises a baffle plate, and the baffle plate is arranged on the third mounting plate; the first auxiliary high-pressure oil pipe is fixed close to the end part through a first fixing block, the first fixing block is connected with a supporting plate through a threaded fixing piece, and the supporting plate is fixedly connected with the fixing end of the middle lifting oil cylinder; the end part, close to the second subsidiary high-pressure oil pipe, of the second subsidiary high-pressure oil pipe is further fixed through a second fixing block, and the second fixing block is fixedly connected with the outer side of the outer gantry.
Preferably, the middle lifting oil cylinder and the side lifting oil cylinder respectively drive the fork frame and the middle door frame to lift through chains; the first auxiliary high-pressure oil pipe and the second auxiliary high-pressure oil pipe are respectively arranged above or on the side of the corresponding chain, are relatively fixed with the corresponding chain and move along with the movement of the corresponding chain.
Has the beneficial effects that: by arranging the first roller group, the second roller group, the third roller group and the third roller group, a triple-linkage pipeline and a quadruple-linkage pipeline for supplying oil to accessories are tightly arranged in front of and behind the middle lifting oil cylinder and the gantry or are arranged close to the side faces of the middle lifting oil cylinder and the gantry; effectively promoted navigating mate's field of vision, reduced the cost that tertiary portal pipeline was arranged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the supporting base;
FIG. 3 is a side view of the supporting base;
FIG. 4 is a front view of a fourth roller set;
FIG. 5 is a schematic side view of a fourth roller set;
FIG. 6 is a front view of the second roller set;
in the figure, a gantry 1, an edge lifting cylinder 2, a middle lifting cylinder 3, a fork frame 4, a second auxiliary high-pressure oil pipe 5, a fourth roller group 61, a second fixing plate 611, a fourth mounting plate 612, a second roller group 62, a third mounting plate 621, a second mounting hole 6211, a third mounting hole 6212, a baffle 622, a two-way body 7, a first auxiliary high-pressure oil pipe 8, a third roller group 91, a first roller group 92, a first fixing plate 931, a first mounting plate 932, a second mounting plate 933, a connecting column 934, a first mounting hole 935, a roller shaft 100, a guard plate 10, a first fixing block 11, a supporting plate 111 and a second fixing block 12.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Fig. 1 to 6 show a hydraulic pipeline arrangement device for a third-stage mast accessory of a forklift truck, which comprises a mast 1, wherein the mast 1 comprises an outer mast, a middle mast and an inner mast, the middle mast is slidably connected to the inner side of the outer mast, the inner mast is slidably connected to the inner side of the middle mast, and the inner mast is fixedly connected with a fork carriage 4; the inner gantry is provided with a middle lifting oil cylinder 3, and the telescopic end of the middle lifting oil cylinder 3 drives the fork frame to lift; the outer gantry is provided with an edge lifting oil cylinder 2, and the telescopic end of the edge lifting oil cylinder 2 drives the middle gantry to lift; well play to rise hydro-cylinder 3 and limit and play to rise hydro-cylinder 2 and all be provided with the high pressure fuel pipe who communicates with the hydraulic pump, this part belongs to prior art, also does not belong to the utility model discloses an innovation point, no longer do more here and describe repeatedly.
The auxiliary high-pressure oil pipe is used for connecting accessories to supply oil to the auxiliary high-pressure oil pipe, and comprises a first auxiliary high-pressure oil pipe 8 and a second auxiliary high-pressure oil pipe 5; the telescopic end of the middle lifting oil cylinder 3 is also provided with a first roller group 92, and the middle gantry is also provided with a second roller group 62;
one end of the first auxiliary high-pressure oil pipe 8 is fixed on the fork frame, the other end of the first auxiliary high-pressure oil pipe 8 bypasses the first roller group 92 to be fixed on the inner gantry and is connected with the second auxiliary high-pressure oil pipe 5, and the roller of the first roller group 92 rolls under the action of friction force of the first auxiliary high-pressure oil pipe 8 along with the lifting of the inner gantry; the other end of the second auxiliary high-pressure oil pipe 5 is fixed on the outer side of the outer gantry by bypassing the second roller set 62, the second auxiliary high-pressure oil pipe 5 is communicated with the hydraulic pump, and rollers of the second roller set 62 roll under the action of friction force of the second auxiliary high-pressure oil pipe 5 along with the lifting of the middle gantry. The first roller group 92 and the second roller group 62 are used for changing the direction of the triple pipeline, so that the triple pipeline is arranged in front of and behind the middle lifting oil cylinder 3 in a tight manner; along with the lifting of the telescopic end of the middle lifting oil cylinder 3, the triple pipeline and the telescopic end of the middle lifting oil cylinder 3 move relatively, and the first roller group 92 and the second roller group 62 can reduce the friction force of the relative movement.
In another preferred embodiment, a third roller set 91 is further installed at the telescopic end of the middle lifting cylinder 3, and a fourth roller set 61 is further installed on the middle gantry; the third roller group 91 and the fourth roller group 61 are used for changing the direction of a four-way pipeline to reduce the friction force (the friction force acts on the first roller group 92 and the second roller group 62); the triple pipeline and the quadruple pipeline both comprise an oil inlet high-pressure oil pipe and an oil outlet high-pressure oil pipe;
the first roller group 92 and the third roller group 91 can be arranged left and right corresponding to the diameter of the telescopic end of the middle lifting oil cylinder 3, so that the first subsidiary high-pressure oil pipes 8 of the triple and quadruple pipelines can be arranged in front of and behind the middle lifting oil cylinder 3, and redundant visual field obstruction is reduced; the second roller group 62 and the fourth roller group 61 are arranged up and down, and the second roller group 62 is arranged on the upper side of the middle portal; meanwhile, the fourth roller set 61 is fixedly connected with the second roller set 62, and the second roller set 62 and the second subsidiary high-pressure oil pipe 5 of the fourth roller set 61 are overlapped front and back, so that the visual field blockage is reduced.
In a preferred embodiment, the first subsidiary high-pressure oil pipe 8 and the second subsidiary high-pressure oil pipe 5 are connected (convenient for connection and fixed installation) through a two-way body 7, and the two-way body 7 is fixed at the lower side of the inner portal, so that the second subsidiary high-pressure oil pipe 5 is arranged along the lower side of the portal, and the view obstruction is reduced.
In another preferred embodiment, as shown in fig. 2 and 3, the first roller set 92 and the third roller set 91 share a supporting base, the supporting base includes a first fixing plate 931, a first mounting plate 932 and a second mounting plate 933, and the first mounting plate 932 and the second mounting plate 933 are provided with roller shafts 100 for mounting rollers.
In a preferred embodiment, as shown in fig. 2 and 3, a connecting column 934 is connected between the first mounting plate 932 and the second mounting plate 933, and the first mounting plate 932 and the second mounting plate 933 with their roller shafts 100 are arranged symmetrically with respect to the center line of the connecting column 934.
In another preferred embodiment, as shown in fig. 1, the first roller set 92 and the third roller set 91 are provided with corresponding guard plates 10, and the guard plates 10 are used for preventing the first subsidiary high-pressure oil pipe 8 from falling out of the corresponding roller sets and simultaneously preventing goods from smashing the first subsidiary high-pressure oil pipe 8; the guard plate 10 is fixed on a first mounting plate 932 and a second mounting plate 933 which correspond to each other, and the first mounting plate 932 and the second mounting plate 933 are correspondingly provided with a first mounting hole 935.
In another preferred embodiment, as shown in fig. 6, the second roller set 62 includes a third mounting plate 621, and the third mounting plate 621 is provided with a roller shaft 100 and a second mounting hole 6211, and the middle door frame is connected through the second mounting hole 6211 by matching with a screw fastener.
In another preferred embodiment, as shown in fig. 4 and 5, the fourth roller set 61 includes a second fixing plate 611 and a fourth mounting plate 612, the fourth mounting plate 612 is provided with a roller shaft 100, the second fixing plate 611 and the third mounting plate 621 are correspondingly provided with a third mounting hole 6212, and the fourth roller set 61 is fixed below the second roller set 62 by the third mounting hole 6212 matching with a threaded fastener.
In another preferred embodiment, as shown in fig. 6, the second roller set 62 further includes a baffle 622, the baffle 622 is used for preventing the second subsidiary high-pressure oil pipe 5 from being pulled out, and the baffle 622 is disposed on the third mounting plate 621; the end part, close to the first subsidiary high-pressure oil pipe 8, of the first subsidiary high-pressure oil pipe is further fixed through a first fixing block 11, the first fixing block 11 is connected with a supporting plate 111 through a threaded fixing piece, and the supporting plate 111 is fixedly connected with the fixing end of the middle lifting oil cylinder 3; the end part, close to the second subsidiary high-pressure oil pipe 5, of the second subsidiary high-pressure oil pipe is further fixed through a second fixing block 12, and the second fixing block 12 is fixedly connected with the outer side of the outer gantry.
In another preferred embodiment, the middle lifting oil cylinder 3 and the side lifting oil cylinder 2 respectively drive the inner gantry and the middle gantry to lift through chains; the first subsidiary high-pressure oil pipe 8 and the second subsidiary high-pressure oil pipe 5 are respectively arranged above or on the side of the corresponding chain, are relatively fixed with the corresponding chain and move along with the movement of the corresponding chain.
The utility model, through the arrangement of the first roller group 92, the second roller group 62, the third roller group 91 and the third roller group 91, the triple and quadruple pipelines used for supplying oil to accessories are tightly arranged in the front and at the back of the middle lifting oil cylinder 3 and the portal frame 1 or closely arranged on the side surface thereof; the utility model discloses a field of vision is arranged than ordinary pipeline and has increased 20%, has effectively promoted navigating mate's field of vision, has reduced the cost that tertiary portal pipeline was arranged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. A hydraulic pipeline arrangement device for a forklift three-stage gantry accessory comprises gantries, wherein each gantry comprises an outer gantry, a middle gantry and an inner gantry, the middle gantry is slidably connected to the inner side of the outer gantry, the inner gantries are slidably connected to the inner side of the middle gantry, and the inner gantries are fixedly connected with a fork frame; the inner gantry is provided with a middle lifting oil cylinder, and the telescopic end of the middle lifting oil cylinder drives the fork frame to lift; the outer gantry is provided with an edge lifting oil cylinder, and the telescopic end of the edge lifting oil cylinder drives the middle gantry to lift;
the auxiliary high-pressure oil pipe is used for being connected with an accessory to supply oil to the accessory, and is characterized by comprising a first auxiliary high-pressure oil pipe and a second auxiliary high-pressure oil pipe; the telescopic end of the middle lifting oil cylinder is also provided with a first roller group, and the middle gantry is also provided with a second roller group;
one end of the first auxiliary high-pressure oil pipe is fixed on the fork frame, the other end of the first auxiliary high-pressure oil pipe is fixed on the inner door frame by bypassing the first roller group and is connected with the second auxiliary high-pressure oil pipe, and the roller of the first roller group rolls under the action of friction force of the first auxiliary high-pressure oil pipe along with the lifting of the fork frame; the other end of the second auxiliary high-pressure oil pipe bypasses a second roller set and is fixed on the outer side of the outer gantry, the second auxiliary high-pressure oil pipe is communicated with the hydraulic pump, and rollers of the second roller set roll under the action of friction force of the second auxiliary high-pressure oil pipe along with the lifting of the middle gantry.
2. The hydraulic pipeline arrangement device for the attachment of the three-stage gantry of the forklift as recited in claim 1, wherein a third roller set is further installed at the telescopic end of the middle lifting cylinder, and a fourth roller set is further installed on the middle gantry; the first roller group and the third roller group are arranged left and right, and the second roller group and the fourth roller group are arranged up and down and are arranged on the upper side of the middle door frame.
3. The hydraulic line arrangement device for the attachment of the triple mast of the forklift truck as recited in claim 1, wherein the first subsidiary high pressure oil pipe and the second subsidiary high pressure oil pipe are connected by a two-way body, and the two-way body is fixed on the lower side of the inner mast.
4. The hydraulic pipeline arranging device for the triple-mast attachment of the forklift truck as recited in claim 2, wherein the first roller set and the third roller set share a supporting seat, the supporting seat comprises a first fixing plate, a first mounting plate and a second mounting plate, and roller shafts for mounting the rollers are disposed on the first mounting plate and the second mounting plate.
5. The hydraulic line arrangement device for the triple mast attachments of a forklift truck according to claim 4, wherein a horizontally disposed connecting column is connected between the first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate and the roller shafts thereof are symmetrically disposed about a center line axis of the connecting column.
6. The hydraulic pipeline arrangement device for the forklift triple-stage portal accessory according to claim 4, wherein the first roller set and the third roller set are provided with corresponding guard plates, the guard plates are fixed on the corresponding first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate are correspondingly provided with first mounting holes.
7. The hydraulic line arrangement device for the forklift triple-stage mast attachment according to claim 2, wherein the second roller group comprises a third mounting plate provided with a roller shaft and a second mounting hole through which the middle mast is connected in cooperation with a threaded fixing member.
8. The hydraulic pipeline arranging device for the forklift triple-stage portal accessory according to claim 7, wherein the fourth roller set comprises a second fixing plate and a fourth mounting plate, a roller shaft is arranged on the fourth mounting plate, third mounting holes are correspondingly arranged on the second fixing plate and the third mounting plate, and the fourth roller set is fixed below the second roller set by matching the third mounting holes with threaded fasteners.
9. The hydraulic pipeline arrangement device for the forklift triple-stage portal accessory according to claim 8, wherein the second roller group further comprises a baffle plate, and the baffle plate is arranged on the third mounting plate; the first auxiliary high-pressure oil pipe is fixed close to the end part through a first fixing block, the first fixing block is connected with a supporting plate through a threaded fixing piece, and the supporting plate is fixedly connected with the inner gantry; the end part, close to the second subsidiary high-pressure oil pipe, of the second subsidiary high-pressure oil pipe is further fixed through a second fixing block, and the second fixing block is fixedly connected with the outer side of the outer gantry.
10. The hydraulic line layout device for the attachment of the three-stage portal frame of the forklift as recited in any one of claims 1 to 9, wherein the middle lifting cylinder and the edge lifting cylinder respectively drive the fork frame and the middle portal frame to lift through chains; the first auxiliary high-pressure oil pipe and the second auxiliary high-pressure oil pipe are respectively arranged above the corresponding chains, are relatively fixed with the corresponding chains and move along with the movement of the corresponding chains.
CN202222560955.5U 2022-09-27 2022-09-27 Hydraulic pipeline arrangement device for forklift three-stage portal accessories Active CN218114936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222560955.5U CN218114936U (en) 2022-09-27 2022-09-27 Hydraulic pipeline arrangement device for forklift three-stage portal accessories

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222560955.5U CN218114936U (en) 2022-09-27 2022-09-27 Hydraulic pipeline arrangement device for forklift three-stage portal accessories

Publications (1)

Publication Number Publication Date
CN218114936U true CN218114936U (en) 2022-12-23

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Application Number Title Priority Date Filing Date
CN202222560955.5U Active CN218114936U (en) 2022-09-27 2022-09-27 Hydraulic pipeline arrangement device for forklift three-stage portal accessories

Country Status (1)

Country Link
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