CN111704081A - Five-stage full-free portal frame - Google Patents
Five-stage full-free portal frame Download PDFInfo
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- CN111704081A CN111704081A CN202010449268.9A CN202010449268A CN111704081A CN 111704081 A CN111704081 A CN 111704081A CN 202010449268 A CN202010449268 A CN 202010449268A CN 111704081 A CN111704081 A CN 111704081A
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- portal
- gantry
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- chain wheel
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- 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
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- 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
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
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- 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
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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- Transportation (AREA)
- Structural Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a five-stage full-free portal frame, which comprises a portal frame assembly and a fork frame arranged on the portal frame assembly, wherein the portal frame assembly is provided with a portal frame driving part for driving the portal frame assembly; the portal assembly comprises a first-level portal, a second-level portal, a third-level portal, a fourth-level portal and a fifth-level portal which are sequentially connected in a sliding manner, wherein rollers are arranged between the first-level portal and the second-level portal, between the second-level portal and the third-level portal, between the third-level portal and the fourth-level portal, between the fourth-level portal and the fifth-level portal and between the fifth-level portal and the fork frame; this application five-level portal can accomplish the lifting height 8.12 meters and can advance the container operation the most, and a fork truck of joining in marriage five-level portal is equivalent to a fork truck (all must in present general warehouse) and a fork truck that can advance the container operation to improve fork truck's availability factor, realized that a car is multi-purpose, need not purchase many fork trucks and carry out the combined operation.
Description
Technical Field
The invention relates to the technical field of forklift gantries, in particular to a five-stage full-free gantry.
Background
In order to utilize space to the maximum extent for logistics storage, the storage capacity scale of enterprises tends to change from large to high, most enterprises select a storage height of more than 12 meters, and the storage height can be divided into three types, namely a high-level storage, a middle-level storage and a bottom-level storage. Generally, five meters and less are the bottom layer; 5-12 m is the middle layer, 12m and above is the high layer, wherein the use frequency of the reservoir area below 8 m is the highest.
Therefore, the trade industry for import and export has a problem. Because the goods need to enter and exit the container, a forklift capable of entering the container has to be matched in the factory, and meanwhile, the goods need to be matched with a high-lift forklift for realizing the stacking and taking of the goods in the elevated warehouse. What does in the industry at present is better, like the representative product of our company is provided with a four-stage full-free lifting system forklift, the lifting height can only reach the requirement of 6.5 meters when entering and exiting the container, the lifting height can not cover the height area of 6.5-8 meters, and the using amount of the forklift can not be saved
Disclosure of Invention
The invention aims to provide a five-stage fully-free portal frame to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a five-stage full-free portal comprises a portal assembly and a fork carriage arranged on the portal assembly, wherein a portal driving part for driving the portal assembly is arranged on the portal assembly, a working oil way is arranged on the portal assembly, and the working oil way is connected with the portal driving part;
the gantry assembly comprises a first-stage gantry, a second-stage gantry, a third-stage gantry, a fourth-stage gantry and a fifth-stage gantry which are sequentially connected in a sliding manner, the first-stage gantry, the second-stage gantry, the third-stage gantry, the fourth-stage gantry and the fifth-stage gantry are arranged in a staggered and nested manner, and rollers are arranged among the first-stage gantry, the second-stage gantry, the third-stage gantry, the fourth-stage gantry, the fifth-stage gantry and the fork carriage;
the roller comprises a roller surface for bearing positive force and a roller side surface for bearing lateral force, and the roller side surface is of an arc structure;
the gantry driving part comprises a rear lifting oil cylinder fixedly connected with the first-level gantry, a rear lifting oil cylinder rotatably connected with the first chain wheel on the upper portion of the second-level gantry, a second chain wheel rotatably connected with the second chain wheel on the upper portion of the third-level gantry, a third chain wheel rotatably connected with the third chain wheel on the third-level gantry, a piston top end of the rear lifting oil cylinder is fixedly connected with the second-level gantry, heights of the first chain wheel, the second chain wheel and the third chain wheel are gradually increased, the first chain wheel, the second chain wheel, the third chain wheel and the fork frame assembly are obliquely arranged, a first chain is wound on the first chain wheel, two ends of the first chain are respectively connected with the first-level gantry and the third-level gantry, a second chain is wound on the second chain wheel, two ends of the second chain are respectively connected with the second-level gantry and the fourth-level gantry, a third chain is wound on the third, And the five-stage door frames are connected.
As a further scheme of the invention: the one-level portal comprises a channel steel, wherein an inner roller shaft of the one-level portal is fixedly connected to the inner side of the top end of the channel steel, a roller is sleeved on the inner roller shaft of the one-level portal, a chain seat of the one-level portal is arranged at the upper end of the channel steel of the one-level portal, the chain seat of the one-level portal is fixedly connected with a first chain, and the lower end of the one-level portal is fixedly connected with a first oil cylinder mounting seat for supporting a rear lifting oil cylinder.
As a further scheme of the invention: the upper portion of the second-stage portal is fixedly connected with a cylinder head seat, a second-stage portal chain wheel shaft and a second-stage portal chain seat, a piston and the top end of the rear lifting oil cylinder are fixedly connected with the cylinder head seat, the second-stage portal chain wheel shaft and the second-stage portal are obliquely arranged, a first chain wheel is sleeved on the second-stage portal chain wheel shaft, and the second-stage portal chain seat is fixedly connected with one end of a second chain.
As a further scheme of the invention: three-level portal chain wheel frame, chain mounting hole, support of fixedly connected with on the tertiary portal, three-level portal chain wheel frame and three-level portal slope are arranged, the second sprocket rotate connect in on the three-level portal chain wheel frame, the chain mounting hole with third chain one end fixed connection, the support with first chain one end fixed connection.
As a further scheme of the invention: the last fixedly connected with level four portal chain wheel axle of level four portal, level four portal chain seat, the third sprocket rotate connect in on the level four portal chain wheel axle, level four portal chain seat with the one end fixed connection of second chain.
As a further scheme of the invention: and a fifth-stage portal chain seat is arranged on the fifth-stage portal and fixedly connected with one end of the third chain.
As a further scheme of the invention: the lower end of the five-level portal frame is fixedly connected with a front lifting oil cylinder, the top end of a piston of the front lifting oil cylinder is rotatably connected with a fork frame chain wheel, a fork frame chain is connected to the fork frame chain wheel in a winding mode, and two ends of the fork frame chain are fixedly connected with the five-level portal frame and the fork frame respectively.
As a further scheme of the invention: the working oil way comprises an oil inlet, a first high-pressure steel pipe and a first high-pressure rubber pipe, wherein the first high-pressure steel pipe is communicated with the oil inlet, the rear lifting oil cylinder is communicated, the upper part of the second-stage portal is rotatably connected with a first rubber pipe roller, the upper end of the first high-pressure rubber pipe is wound around the first rubber pipe roller, the other end of the first high-pressure rubber pipe is communicated with one end of the second high-pressure steel pipe, the second high-pressure steel pipe is fixedly connected with the third-stage portal, the other end of the second high-pressure steel pipe is communicated with the second high-pressure rubber pipe, the lower end of the fourth-stage portal is rotatably connected with a second rubber pipe roller, the second rubber pipe roller is wound below the second high-pressure rubber pipe, and the other end.
As a further scheme of the invention: the second grade portal includes the second grade portal channel-section steel, the second grade portal channel-section steel is H type channel-section steel construction, be equipped with in the second grade portal channel-section steel with gyro wheel face complex channel-section steel terminal surface and with gyro wheel side complex channel-section steel cambered surface.
As a further scheme of the invention: the inner side of the upper end of the second-stage portal is fixedly connected with a second-stage portal inner roller shaft, and the inner side of the lower end of the second-stage portal is fixedly connected with a second-stage portal outer roller shaft; the three-stage portal comprises a three-stage portal channel steel with the same structure as the two-stage portal channel steel, a three-stage portal inner roller shaft is arranged on the inner side of the upper end of the three-stage portal channel steel, and a three-stage portal outer roller shaft is arranged on the outer side of the lower end of the three-stage portal channel steel; the four-stage portal comprises a four-stage portal channel steel with the same structure as the two-stage portal channel steel, a four-stage portal inner roller shaft is arranged on the inner side of the upper end of the four-stage portal channel steel, and a four-stage portal outer roller shaft is arranged on the outer side of the lower end of the four-stage portal channel steel; the five-stage portal comprises a five-stage portal channel steel with the same structure as the two-stage portal channel steel, and a five-stage portal outer roller shaft is arranged on the outer side of the lower end of the five-stage portal channel steel; and rollers are sleeved on the second-stage portal inner roller shaft, the second-stage portal outer roller shaft, the third-stage portal inner roller shaft, the third-stage portal outer roller shaft, the fourth-stage portal inner roller shaft, the fourth-stage portal outer roller shaft and the fifth-stage portal outer roller shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the operation advantages are as follows: the five-stage portal frame can achieve the lifting height of 8.12 meters at most and can enter the container for operation. At present, under the condition that the four-stage portal frame of the prior art can enter the box for operation, the maximum height can only be 6.5 meters, and the three-stage portal frame can only be 4.7 meters.
2. Economic benefits are as follows: a fork truck of joining in marriage five grades of gantries is equivalent to a fork truck (all must in present general warehouse) and a fork truck that can advance the container operation to improve fork truck's availability factor, realized that a car is multi-purpose, need not purchase many fork trucks and carry out the combined operation.
3. The five groups of portal channel steel are arranged in a nested manner, so that the structure is compact, the front overhang is minimum, and the visual field is optimal, so that the stability of the whole vehicle and the operation comfort of a driver are improved; the design of no side roller has been used to this application portal, has realized undertaking two directional forces of forward and side direction simultaneously with a gyro wheel, simplifies the portal processing technology complicated problem that causes because of setting up horizontal side roller alone, improves production efficiency.
4. The forklift gantry of the application adopts three inclined rotating wheel mechanisms which are arranged in an inclined interconnected tower manner, a chain wheel shaft of a second-stage gantry is designed to be a component with two functions, and a chain wheel is installed and can be connected with a chain; the top chain seat of the third-stage door frame is also designed to be a component with two functions, and a chain can be connected while a chain wheel shaft is installed. The three inclined moving and rotating wheel mechanisms are driven by one power source (the rear lifting oil cylinder), namely the rear lifting oil cylinder drives four door frames to move (a second-stage door frame, a third-stage door frame, a fourth-stage door frame and a fifth-stage door frame, namely the three inclined moving and rotating wheel mechanisms), the door frame structure is greatly simplified, and the door frame manufacturing difficulty is reduced.
5. The working oil way of the application adopts the design of oil ways of a positive rotating wheel and a negative rotating wheel and the arrangement of the conformal steel pipes, so that the influence of the pipelines on the visual field is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of a first-stage gantry of the present embodiment;
FIG. 3 is a schematic structural diagram of the secondary gantry of the present embodiment;
FIG. 4 is a schematic structural diagram of a three-stage gantry according to the present embodiment;
FIG. 5 is a schematic structural diagram of a four-stage gantry of the present embodiment;
fig. 6 and 7 are schematic structural views of a five-stage gantry of the embodiment;
FIG. 8 is a schematic diagram of the fork carriage configuration of the present embodiment;
FIG. 9 is a schematic structural view of a working oil path according to the present embodiment;
FIG. 10 is a schematic structural view of a fork driving portion of the present embodiment;
FIG. 11 is a schematic view of a nested structure of fork channel steel of the fork of the present embodiment;
fig. 12 is a schematic view of the roller structure according to the present embodiment.
In the figure:
1-a first-level portal, 11-a first-level portal channel steel, 12-a first-level portal inner roller shaft, 13-a first-level portal chain seat and 14-a first oil cylinder mounting plate;
2-a second-stage portal, 21-a second-stage portal channel steel, 22-a second-stage portal inner roller shaft and 23-a second-stage portal outer roller shaft; 24-a cylinder head seat, 25-a secondary portal chain wheel shaft, 26-a secondary portal chain seat, 27-a mounting plate, 28-a channel steel cambered surface and 29-a channel steel end surface;
3-three-stage portal, 31-three-stage portal channel steel, 32-three-stage portal inner roller shaft, 33-three-stage portal outer roller shaft, 34-three-stage portal chain wheel frame, 35-chain wheel mounting hole, 36-chain mounting hole and 37-support;
4-four-stage portal, 41-four-stage portal channel steel, 42-four-stage portal inner roller shaft, 43-four-stage portal outer roller shaft, 44-four-stage portal chain wheel shaft, 45-four-stage portal chain seat and 46-rotating wheel mounting plate;
5-five-stage portal, 51-five-stage portal channel steel, 52-five-stage portal outer roller shaft, 53-five-stage portal chain seat, 54-second oil cylinder mounting plate, 55-fixing seat, 56-front lifting oil cylinder, 57-fork frame chain and 58-fork frame chain wheel;
6-a fork frame, 61-a cross beam, 62-a vertical plate, 63-a fork frame roller shaft and 64-a fork frame chain seat;
7-a working oil way, 71-a first high-pressure steel pipe, 72-a first high-pressure rubber pipe, 73-a second high-pressure steel pipe, 74-a second high-pressure rubber pipe, 75-a third high-pressure steel pipe, 76-a rubber pipe roller, 77-a rubber pipe roller, 78-a steel pipe fixing frame and 79-an oil inlet;
8-roller, 81-roller surface, 82-roller side surface;
9-a fork driving part, 91-a rear lifting hydraulic cylinder, 92-a first chain, 93-a first chain wheel, 94-a second chain, 95-a second chain wheel, 96-a third chain and 97-a third chain wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, in the embodiment of the present invention, a five-stage fully-free mast comprises a mast assembly and a fork carriage 6 disposed on the mast assembly, and is characterized in that the mast assembly is provided with a mast driving portion 9 for driving the mast assembly, the mast assembly is provided with a working oil path 7, and the working oil path 7 is connected with the mast driving portion 9.
The portal assembly comprises a first-level portal 1, a second-level portal 2, a third-level portal 3, a fourth-level portal 4 and a fifth-level portal 5 which are sequentially connected in a sliding manner, the first-level portal 1, the second-level portal 2, the third-level portal 3, the fourth-level portal 4 and the fifth-level portal 5 are arranged in a staggered and nested manner, the first-level portal 1 and the second-level portal 2, the second-level portal 2 and the third-level portal 3, the third-level portal 3 and the fourth-level portal 4, the fourth-level portal 4 and the fifth-level portal 5 and rollers 8 are arranged.
The roller 8 comprises a roller surface 81 for bearing a positive force and a roller side surface 82 for bearing a lateral force, the roller side surface 82 is of an arc structure, the secondary portal 2 comprises a secondary portal channel steel 21, the secondary portal channel steel 21 is of an H-shaped channel steel structure, a channel steel end surface 29 matched with the roller surface 81 and a channel steel arc surface 28 matched with the roller side surface 82 are arranged in the secondary portal channel steel 21, a secondary portal inner roller shaft 22 is fixedly connected to the inner side of the upper end of the secondary portal 2, and a secondary portal outer roller shaft 23 is fixedly connected to the inner side of the lower end of the secondary portal 2; the third-stage portal 3 comprises a third-stage portal channel steel 31 with the same structure as the second-stage portal channel steel 21, a third-stage portal inner roller shaft 32 is arranged on the inner side of the upper end of the third-stage portal channel steel 31, and a third-stage portal outer roller shaft 33 is arranged on the outer side of the lower end of the third-stage portal channel steel 31; the four-stage portal 4 comprises a four-stage portal channel steel 41 with the same structure as the two-stage portal channel steel 21, a four-stage portal inner roller shaft 42 is arranged on the inner side of the upper end of the four-stage portal channel steel 41, and a four-stage portal outer roller shaft 43 is arranged on the outer side of the lower end of the four-stage portal channel steel 41; the five-stage portal 5 comprises a five-stage portal channel steel 51 with the same structure as the two-stage portal channel steel 21, and a five-stage portal outer roller shaft 52 is arranged on the outer side of the lower end of the five-stage portal channel steel 51; the rollers 8 are sleeved on the second-stage portal inner roller shaft 22, the second-stage portal outer roller shaft 23, the third-stage portal inner roller shaft 32, the third-stage portal outer roller shaft 33, the fourth-stage portal inner roller shaft 42, the fourth-stage portal outer roller shaft 43 and the fifth-stage portal outer roller shaft 52.
The one-level portal 1 comprises a channel steel 11, a roller shaft 12 is fixedly connected with the inner side of the top end of the channel steel 11 in the one-level portal, a roller 8 is sleeved on the roller shaft 12 in the one-level portal, a one-level portal chain seat 13 is arranged at the upper end of the channel steel 11 in the one-level portal, the one-level portal chain seat 13 is fixedly connected with a first chain 92, and a first oil cylinder mounting seat 14 of the rear lifting oil cylinder 91 is fixedly connected with the lower end of the one-level portal 1.
The upper portion of the second-stage portal 2 is fixedly connected with a cylinder head seat 24, a second-stage portal chain wheel shaft 25, a second-stage portal chain seat 26 and a mounting plate 27, a piston and the top end of a rear lifting oil cylinder 91 are fixedly connected with the cylinder head seat 24, the second-stage portal chain wheel shaft 25 is obliquely arranged with the second-stage portal 2, a first chain wheel 93 is sleeved on the second-stage portal chain wheel shaft 25, the second-stage portal chain seat 26 is fixedly connected with one end of a second chain 94, and a wheel shaft of a first rubber tube roller 76 is fixedly connected with the top end of the second-stage portal 2 through the mounting plate.
Three-stage gantry chain wheel frame 34, chain wheel mounting hole 35, chain mounting hole 36 and support 37 are fixedly connected to three-stage gantry 3, three-stage gantry chain wheel frame 34 and three-stage gantry are obliquely arranged, second chain wheel 95 is rotatably connected to three-stage gantry chain wheel frame 34, a wheel shaft of second chain wheel 95 is inserted into chain wheel mounting hole 35, chain mounting hole 36 is fixedly connected with one end of third chain 96, and support 37 is fixedly connected with one end of first chain 92.
The four-stage portal 4 is fixedly connected with a four-stage portal chain wheel shaft 44, a four-stage portal chain seat 45 and a rotating wheel mounting plate 46, a third chain wheel 97 is rotatably connected to the four-stage portal chain wheel shaft 44, the four-stage portal chain seat 45 is fixedly connected with one end of a second chain 94, and a second rubber pipe roller 77 is rotatably connected with the lower part of the four-stage portal 4 through the rotating wheel mounting plate 46.
The five-level gantry crane comprises a five-level gantry 5, a five-level gantry chain seat 53 is arranged on the five-level gantry 5, the five-level gantry chain seat 53 is fixedly connected with one end of a third chain 96, the lower end of the five-level gantry crane 5 is fixedly connected with a second oil cylinder mounting seat 54, a front lifting oil cylinder 56 is fixedly connected to the upper end of the second oil cylinder mounting seat 54, the top end of a piston of the front lifting oil cylinder 56 is rotatably connected with a fork frame chain wheel 58, a fork frame chain 57 is wound on the fork frame chain wheel 58, two ends of the fork frame chain 57 are respectively fixedly connected with the five-level gantry crane 5 and a fork frame 6, the fork frame 6 comprises a cross beam 61, a vertical plate 62, a fork frame roller shaft 63 and a fork frame chain seat 64, the fork frame chain seat 64 is fixedly connected with the third chain 96, a roller 8 is sleeved on the fork frame roller shaft 63, and the roller 8 on.
The gantry driving part 9 comprises a rear lifting oil cylinder 91 fixedly connected with the first-stage gantry 1, a first chain wheel 93 rotatably connected with the upper part of the second-stage gantry 2, a second chain wheel 95 rotatably connected with the upper part of the third-stage gantry 3, and a third chain wheel 97 rotatably connected with the third-stage gantry 3, wherein the top end of a piston of the rear lifting oil cylinder 91 is fixedly connected with the second-stage gantry 2, the heights of the first chain wheel 93, the second chain wheel 95 and the third chain wheel 97 are gradually increased, the first chain wheel 93, the second chain wheel 95 and the third chain wheel 97 are obliquely arranged with the fork frame assembly, a first chain 92 is wound on the first chain wheel 93, two ends of the first chain 92 are respectively connected with the first-stage gantry 1 and the third-stage gantry 3, a second chain 94 is wound on the second chain wheel 95, two ends of the second chain 94 are respectively connected with the second-stage gantry 2 and the fourth-stage gantry 4, a third chain 96 is wound on the third chain wheel 97, The five-stage portal 5 is connected.
The working oil circuit 7 comprises an oil inlet 79, a first high-pressure steel pipe 71 communicated with the oil inlet 79 and a first high-pressure rubber pipe 72, the first high-pressure steel pipe 71 is communicated with a rear lifting oil cylinder 91, the upper part of the second-stage portal 2 is rotatably connected with a first rubber pipe roller 76, the upper end of the first high-pressure rubber pipe 72 bypasses the first rubber pipe roller 76, the other end of the first high-pressure rubber pipe 72 is communicated with one end of a second high-pressure steel pipe 73, the second high-pressure steel pipe 73 is fixedly connected with the third-stage portal 3 through a steel pipe fixing frame 78, the other end of the second high-pressure steel pipe 73 is communicated with a second high-pressure rubber pipe 74, the lower end of the fourth-stage portal is rotatably connected with a second rubber pipe roller 77, the lower part of the second high-pressure rubber pipe 74 bypasses the.
The first chain wheel 93, the first chain 92, the second-stage gantry 2 and the first-stage gantry 1 form a first-stage inclined movable rotating wheel group. The mounting holes 35 of the third-stage gantry chain wheel frame 34 at the left and right of the top of the third-stage gantry 3 are higher than the second-stage gantry chain wheel shaft 25 at the top of the second-stage gantry 2; the second chain wheel 95, the second chain 94, the third-stage portal frame 3 and the second-stage portal frame 2 form a second-stage inclined movable rotating wheel group; the third chain wheel 97, the third chain 96, the fourth-stage portal 4 and the third-stage portal 3 form a third-stage inclined movable rotating wheel group; the third-stage inclined moving runner group, the second-stage inclined moving runner group and the first-stage inclined moving runner group are all driven by a rear lifting oil cylinder 8; the center of the third-stage inclined rotating wheel set is higher than that of the second-stage inclined moving rotating wheel set, and the spatial position of the second-stage inclined moving rotating wheel set is integrally higher than that of the first-stage inclined moving rotating wheel set, so that inclined interconnected tower type arrangement is formed; in the use process, high-pressure oil enters into first high-pressure steel pipe 71 through oil inlet 79, then enters into back through first high-pressure steel pipe 71 and plays to rise in the hydro-cylinder 91, the piston that plays to rise in the hydro-cylinder 91 stretches out and drives second grade portal 2 upward movement, second grade portal 2 rises and moves the runner block through first grade tilting and drive tertiary portal 3 and rise, the rise of tertiary portal 3 moves the runner block through first grade tilting and drives four-stage portal 4 and rise, the rise of four-stage portal 4 moves the runner block through third grade tilting and drives five-stage portal 5 and rise. Second grade portal 2, third grade portal 3, level four portal 4, the in-process that five-level portal 5 rose, because one-level portal 1 and second grade portal 2, second grade portal 2 and third grade portal 3, third grade portal 3 and level four portal 4, level four portal 4 and five-level portal 5, be equipped with gyro wheel 8 between five-level portal 5 and the fork frame 6, and then can lead and support the portal through gyro wheel 8, and because the gyro wheel 8 lateral part of this embodiment is equipped with the cambered surface, therefore can provide forward and sideward bearing simultaneously, the stability that the portal rose has been increased.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A five-stage full-free portal comprises a portal assembly and a fork carriage (6) arranged on the portal assembly, and is characterized in that the portal assembly is provided with a portal driving part (9) for driving the portal assembly, the portal assembly is provided with a working oil way (7), and the working oil way (7) is connected with the portal driving part (9);
the gantry assembly comprises a first-stage gantry (1), a second-stage gantry (2), a third-stage gantry (3), a fourth-stage gantry (4) and a fifth-stage gantry (5) which are sequentially connected in a sliding manner, the first-stage gantry (1), the second-stage gantry (2), the third-stage gantry (3), the fourth-stage gantry (4) and the fifth-stage gantry (5) are arranged in a staggered and nested manner, and rollers (8) are arranged between the first-stage gantry (1) and the second-stage gantry (2), between the second-stage gantry (2) and the third-stage gantry (3), between the third-stage gantry (3) and the fourth-stage gantry (4), between the fourth-stage gantry (4) and the fifth-stage gantry (;
the roller (8) comprises a roller surface (81) for bearing positive force and a roller side surface (82) for bearing lateral force, and the roller side surface (82) is of an arc-shaped structure;
the gantry driving part (9) comprises a rear lifting oil cylinder (91) fixedly connected with the primary gantry (1), a first chain wheel (93) rotatably connected with the upper part of the secondary gantry (2), a second chain wheel (95) rotatably connected with the upper part of the tertiary gantry (3), and a third chain wheel (97) rotatably connected with the tertiary gantry (3), the top end of a piston of the rear lifting oil cylinder (91) is fixedly connected with the secondary gantry (2), the heights of the first chain wheel (93), the second chain wheel (95) and the third chain wheel (97) are gradually increased, the first chain wheel (93), the second chain wheel (95) and the third chain wheel (97) are obliquely arranged with the fork frame assembly, a first chain (92) is wound on the first chain wheel (93), and two ends of the first chain (92) are respectively connected with the primary gantry (1) and the tertiary gantry (3), second chain (94) are connected to the second chain wheel (95) in a winding mode, two ends of the second chain (94) are connected with the second-stage door frame (2) and the fourth-stage door frame (4) respectively, a third chain (96) are connected to the third chain wheel (97) in a winding mode, and two ends of the third chain (96) are connected with the third-stage door frame (3) and the fifth-stage door frame (5) respectively.
2. The five-stage full-free gantry according to claim 1, wherein the one-stage gantry (1) comprises a channel steel (11), a one-stage gantry inner roller shaft (12) is fixedly connected to the inner side of the top end of the channel steel (11), a roller (8) is sleeved on the one-stage gantry inner roller shaft (12), a one-stage gantry chain seat (13) is arranged at the upper end of the one-stage gantry channel steel (11), the one-stage gantry chain seat (13) is fixedly connected with a first chain (92), and a first cylinder mounting seat (14) used for supporting the rear lifting cylinder (91) is fixedly connected to the lower end of the one-stage gantry (1).
3. The five-stage full-free gantry according to claim 1, wherein a cylinder head seat (24), a second-stage gantry chain wheel shaft (25) and a second-stage gantry chain seat (26) are fixedly connected to the upper portion of the second-stage gantry (2), a piston and a top end of the rear lifting cylinder (91) are fixedly connected with the cylinder head seat (24), the second-stage gantry chain wheel shaft (25) and the second-stage gantry (2) are obliquely arranged, a first chain wheel (93) is sleeved on the second-stage gantry chain wheel shaft (25), and the second-stage gantry chain seat (26) is fixedly connected with one end of a second chain (94).
4. The five-stage fully free mast according to claim 1, wherein the three-stage mast (3) is fixedly connected with a three-stage mast chain wheel frame (34), a chain mounting hole (36) and a support (37), the three-stage mast chain wheel frame (34) and the three-stage mast are obliquely arranged, the second chain wheel (95) is rotatably connected to the three-stage mast chain wheel frame (34), the chain mounting hole (36) is fixedly connected with one end of the third chain, and the support (37) is fixedly connected with one end of the first chain.
5. The five-stage fully free mast according to claim 1, wherein the four-stage mast (4) is fixedly connected with a four-stage mast sprocket shaft (44) and a four-stage mast chain seat (45), the third sprocket (97) is rotatably connected with the four-stage mast sprocket shaft (44), and the four-stage mast chain seat (45) is fixedly connected with one end of the second chain.
6. The five-stage fully free mast according to claim 1, wherein the five-stage mast (5) is provided with a five-stage mast chain seat (53), and the five-stage mast chain seat (53) is fixedly connected with one end of the third chain (96).
7. The five-stage total free mast according to claim 1, wherein the lower end of the five-stage mast (5) is fixedly connected with a front lifting cylinder (56), the top end of a piston of the front lifting cylinder (56) is rotatably connected with a fork frame chain wheel (58), a fork frame chain (57) is wound on the fork frame chain wheel (58), and two ends of the fork frame chain (57) are fixedly connected with the five-stage mast (5) and the fork frame (6) respectively.
8. The five-stage full-free gantry according to claim 7, wherein the working oil path (7) comprises an oil inlet (79), a first high-pressure steel pipe (71) and a first high-pressure rubber pipe (72), the first high-pressure steel pipe (71) is communicated with the rear lifting oil cylinder (91), the upper part of the two-stage gantry (2) is rotatably connected with a first rubber pipe roller (76), the upper end of the first high-pressure rubber pipe (72) bypasses the first rubber pipe roller (76), the other end of the first high-pressure rubber pipe (72) is communicated with one end of a second high-pressure steel pipe (73), the second high-pressure steel pipe (73) is fixedly connected with the three-stage gantry (3), the other end of the second high-pressure steel pipe (73) is communicated with the second high-pressure rubber pipe (74), and the lower end of the four-stage gantry is rotatably connected with a second rubber pipe roller (77), and the lower part of the second high-pressure rubber pipe (74) bypasses the second rubber pipe roller (77), and the other end of the second high-pressure rubber pipe (74) is communicated with the front lifting oil cylinder (56) through a third high-pressure steel pipe (75).
9. The five-stage fully free gantry according to claim 1, wherein the two-stage gantry (2) comprises two-stage gantry channel steel (21), the two-stage gantry channel steel (21) is of an H-shaped channel steel structure, and a channel steel end face (29) matched with the roller face (81) and a channel steel arc face (28) matched with the roller side face (82) are arranged in the two-stage gantry channel steel (21).
10. The five-stage fully free mast according to claim 1, wherein the inner side of the upper end of the secondary mast (2) is fixedly connected with a secondary mast inner roller shaft (22), and the inner side of the lower end of the secondary mast (2) is fixedly connected with a secondary mast outer roller shaft (23); the three-stage portal (3) comprises a three-stage portal channel steel (31) with the same structure as the two-stage portal channel steel (21), the inner side of the upper end of the three-stage portal channel steel (31) is provided with a three-stage portal inner roller shaft (32), and the outer side of the lower end of the three-stage portal channel steel (31) is provided with a three-stage portal outer roller shaft (33); the four-stage portal (4) comprises a four-stage portal channel steel (41) with the same structure as the two-stage portal channel steel (21), a four-stage portal inner roller shaft (42) is arranged on the inner side of the upper end of the four-stage portal channel steel (41), and a four-stage portal outer roller shaft (43) is arranged on the outer side of the lower end of the four-stage portal channel steel (41); the five-stage portal (5) comprises a five-stage portal channel steel (51) with the same structure as the two-stage portal channel steel (21), and a five-stage portal outer roller shaft (52) is arranged on the outer side of the lower end of the five-stage portal channel steel (51); and the rollers (8) are sleeved on the second-stage portal inner roller shaft (22), the second-stage portal outer roller shaft (23), the third-stage portal inner roller shaft (32), the third-stage portal outer roller shaft (33), the fourth-stage portal inner roller shaft (42), the fourth-stage portal outer roller shaft (43) and the fifth-stage portal outer roller shaft (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449268.9A CN111704081A (en) | 2020-05-25 | 2020-05-25 | Five-stage full-free portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449268.9A CN111704081A (en) | 2020-05-25 | 2020-05-25 | Five-stage full-free portal frame |
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| Publication Number | Publication Date |
|---|---|
| CN111704081A true CN111704081A (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010449268.9A Pending CN111704081A (en) | 2020-05-25 | 2020-05-25 | Five-stage full-free portal frame |
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| CN (1) | CN111704081A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591929A (en) * | 2020-06-20 | 2020-08-28 | 杭州叉车门架有限公司 | Five-stage forklift lifting system and using method thereof |
| CN112811358A (en) * | 2021-02-21 | 2021-05-18 | 安徽永捷力智能装备有限公司 | Double-drive four-way walking forward transfer trolley |
-
2020
- 2020-05-25 CN CN202010449268.9A patent/CN111704081A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591929A (en) * | 2020-06-20 | 2020-08-28 | 杭州叉车门架有限公司 | Five-stage forklift lifting system and using method thereof |
| CN111591929B (en) * | 2020-06-20 | 2024-06-18 | 杭州叉车门架有限公司 | Five-stage forklift lifting system and application method thereof |
| CN112811358A (en) * | 2021-02-21 | 2021-05-18 | 安徽永捷力智能装备有限公司 | Double-drive four-way walking forward transfer trolley |
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