CN110937550A - Forklift truck - Google Patents
Forklift truck Download PDFInfo
- Publication number
- CN110937550A CN110937550A CN201911259583.9A CN201911259583A CN110937550A CN 110937550 A CN110937550 A CN 110937550A CN 201911259583 A CN201911259583 A CN 201911259583A CN 110937550 A CN110937550 A CN 110937550A
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- China
- Prior art keywords
- fork
- frame
- lifting
- connecting rod
- forklift truck
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Classifications
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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
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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
-
- 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
- B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
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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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a forklift truck which comprises a truck frame body, a traveling mechanism and a fork tool, wherein the traveling mechanism and the fork tool are arranged on the truck frame body. The invention adopts a rigid frame body, and is driven by the front wheel and steered by the rear wheel, so that the stability is high during overturning and the turning radius is small. The invention has the advantages of simple structure, convenient operation, stable vehicle body in use, low maintenance cost and long service life.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a forklift truck.
Background
With the containerized transportation of bulk cargo, a container loading and unloading and overturning device can provide great convenience and safety for customers, and at present, a container overturning device mainly adopts a chassis of a loader and is matched with a rotary fork tool for operation.
However, the equipment directly uses the chassis of the loader, and the vehicle body is very unstable when the equipment is turned over due to the hinged chassis, and the turning radius of the forklift with the same axle distance reaches about 12 meters. Therefore, the rigid frame is adopted, the rear wheel is steered and the front wheel is driven, the stability is high during overturning, the turning radius is small, the fork has no side shifting function, the whole vehicle needs to be moved when the box is lifted, the abrasion is increased, and the use is inconvenient.
In view of the foregoing, it is desirable to provide a forklift truck with a simple structure, easy operation, and a stable body during use.
Disclosure of Invention
The invention aims to provide a forklift truck which is simple in structure, simple and convenient to operate and stable in use.
The above purpose is realized by the following technical scheme: the utility model provides a forklift truck, includes the frame body and sets up running gear and fork utensil on the frame body, the frame body is the rigidity frame body, the transaxle setting of forklift truck is in the front portion of frame body, the steering axle setting of forklift truck is in the rear portion of frame body, forklift truck still includes lifting mechanism, lifting mechanism sets up forklift truck is anterior, lifting mechanism with the fork utensil links to each other and can drive fork utensil vertical motion.
So, adopt rigid frame body, through front wheel drive, the form that the rear wheel turned to, stability is high during the upset, and turning radius is little. The invention has the advantages of simple structure, convenient operation, stable vehicle body in use, low maintenance cost and long service life.
A further technical scheme is, lifting mechanism includes lifting connecting rod, lifting extensible member and upset extensible member, lifting connecting rod's one end with the car frame body is articulated, the other end with the fork utensil is articulated, lifting extensible member's one end with the car frame body links to each other, the other end with lifting connecting rod is articulated, lifting extensible member can drive lifting connecting rod rotates along its hinge point with the car frame body, the one end of upset extensible member with lifting connecting rod links to each other, the other end with the fork utensil is articulated, the upset extensible member can drive its hinge point with lifting connecting rod rotates.
The lifting oil cylinder drives the connecting rod to lift up and down, and the turnover telescopic piece can drive the fork tool to rotate with the hinged point of the lifting connecting rod to turn over the fork tool.
The further technical scheme is that the lifting telescopic piece is arranged below the lifting connecting rod, and the movable end of the lifting telescopic piece is hinged with the middle part of the lifting connecting rod.
The fork tool comprises a fixing frame, the lifting connecting rod is hinged to the bottom of the fixing frame, the overturning telescopic piece is arranged above the lifting connecting rod, one end of the overturning telescopic piece is connected with the middle of the lifting connecting rod, and the other end of the overturning telescopic piece is hinged to the upper portion of the fixing frame.
The fork tool further comprises a rotary frame, the fixing frame is provided with a rotary speed reducer, an output gear is arranged at the output end of the rotary speed reducer, the rotary frame is provided with a rotary support, the output gear is meshed with the rotary support, and a supporting fork of the fork tool is directly or indirectly connected with the rotary frame. An output shaft of the rotary speed reducer is perpendicular to the fixing frame, and the rotary speed reducer drives the rotary frame to rotate. So set up, can drive through the rotary speed reducer the revolving rack is internal rotation in vertical plane, can make the fork sword slope like this for the container slope is convenient for unload. The revolving frame is connected with the fixed frame through a slewing bearing, the motor drives the slewing reducer to be meshed with the slewing bearing through the output gear, and the revolving frame revolves around the fixed frame.
The fork tool further comprises a side moving frame, the supporting fork is arranged on the side moving frame, the side moving frame is connected with the rotary frame through a side moving shaft and a side moving telescopic piece, one end of the side moving telescopic piece is connected with the side moving frame, the other end of the side moving telescopic piece is connected with the rotary frame, and the side moving telescopic piece can drive the side moving frame and the rotary frame to move laterally along the side moving shaft. So set up, the fork utensil possesses the side and moves the function, and the convenience is carried out the case with holding in the palm fork and container fork groove.
The further technical scheme is that a side shifting lug is arranged on the side shifting frame, a rotary lug is arranged on the rotary frame, the side shifting lug and the rotary lug are connected with the side shifting shaft in a penetrating mode, the side shifting shaft is fixedly connected with the side shifting frame, and the rotary lug can slide on the side shifting shaft.
The lateral moving frame is characterized in that a hollow part is arranged in the middle of the lateral moving frame, a first hinge lug is arranged on one side of the hollow part, a second hinge lug is arranged on the rotating frame and extends to the lateral moving hollow part, a lateral moving telescopic piece is arranged in the hollow part, and two ends of the lateral moving telescopic piece are connected with the first hinge lug and the second hinge lug respectively.
The technical scheme is that the supporting fork at least comprises a first fork blade and a second fork blade, the upper portion of the first fork blade and the upper portion of the second fork blade are hinged with the side moving frame through swing connecting shafts respectively, a connecting seat is arranged in the middle of the side moving frame, and the bottom of the first fork blade and the bottom of the second fork blade are connected with the connecting seat through a first damping oil cylinder and a second damping oil cylinder respectively.
Therefore, the upper end of the supporting fork is hinged with the support, the supporting fork can swing along the hinged point of the supporting fork and the support, then the bottom of the first fork knife and the bottom of the second fork knife are respectively connected with the support through the first damping oil cylinder and the second damping oil cylinder, so that when a certain deviation exists between the center distances of fork grooves of the container, namely the fork is inclined and overturned, and the side surfaces of the fork knives cannot simultaneously contact with the side surfaces of the fork grooves of the container and bear force, the weight of goods exceeds the bearing of the single fork knife, the damping oil cylinders are pushed to contract, namely the center distance between the fork knives is reduced, and the two fork knives are ensured to be stressed simultaneously.
The further technical scheme is that the first damping oil cylinder and the second damping oil cylinder are connected with the energy accumulator. The damping oil cylinders are connected with the energy accumulator and can provide certain initial pressure, when the container is inclined, for example, the weight of loaded goods is 30 tons, the load of one damping oil cylinder can be set to be about 15 tons, the weight of the goods exceeds the load of a single fork knife, the damping oil cylinders can be pushed to contract, namely, the center distance between the fork knives is reduced, and therefore the two fork knives are stressed simultaneously.
The further technical scheme is that the lifting telescopic piece, the overturning telescopic piece and the side shifting telescopic piece are all oil cylinders.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a forklift truck according to an embodiment of the present invention;
FIGS. 2 to 4 are schematic structural diagrams of a fork according to an embodiment of the present invention from different viewing angles;
FIG. 5 is a cross-sectional view of a fork according to one embodiment of the present invention;
fig. 6 is a front view of a fork according to an embodiment of the present invention.
In the figure:
1 fixed frame, 2 revolving frame, 3 side moving frame and 4 revolving speed reducer
5 first fork knife 6 second fork knife 7 first damping oil cylinder 8 second damping oil cylinder
9 connecting seat 10 energy accumulator 11 swing connecting shaft 12 side shift expansion piece
13 output gear 14 slewing bearing 15 side shift journal stirrup 16 slewing journal stirrup
17 side shift shaft 18, first hinge lug 19 and second hinge lug
21 frame body 22 fork 23 lifting connecting rod 24 lifting telescopic piece
25-turn telescopic member 26, drive axle 27, steering axle 28 and running mechanism
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the invention is as follows, as shown in fig. 1, a forklift truck comprises a truck body 21, and a traveling mechanism 28 and a fork 22 which are arranged on the truck body 21, wherein the truck body 21 is a rigid truck body 21, a drive axle 26 of the forklift truck is arranged at the front part of the truck body 21, a steering axle 27 of the forklift truck is arranged at the rear part of the truck body 21, the forklift truck further comprises a lifting mechanism, the lifting mechanism is arranged at the front part of the forklift truck, and the lifting mechanism is connected with the fork 22 and can drive the fork 22 to move vertically.
Thus, the rigid frame body 21 is adopted, and the front wheel drives and the rear wheel steers, so that the stability during overturning is high and the turning radius is small. The invention has the advantages of simple structure, convenient operation, stable vehicle body in use, low maintenance cost and long service life.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the lifting mechanism further includes a lifting link 23, a lifting telescopic member 24 and a turning telescopic member 25, one end of the lifting link 23 is hinged to the frame body 21, the other end of the lifting link 23 is hinged to the fork 22, one end of the lifting telescopic member 24 is connected to the frame body 21, the other end of the lifting telescopic member 24 is hinged to the lifting link 23, the lifting telescopic member 24 can drive the lifting link 23 to rotate along its hinge point with the frame body 21, one end of the turning telescopic member 25 is connected to the lifting link 23, the other end of the turning telescopic member 25 is hinged to the fork 22, and the turning telescopic member 25 can drive the fork 22 to rotate along its hinge point with the lifting link 23.
The lifting oil cylinder drives the connecting rod to lift up and down, and the turnover telescopic piece 25 can drive the fork 22 to rotate with the hinged point of the lifting connecting rod 23 to turn the fork 22, so that the turnover of the fork 22 is realized.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the lifting telescopic member 24 is disposed below the lifting link 23, and the movable end of the lifting telescopic member 24 is hinged to the middle of the lifting link 23.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the fork 22 includes a fixed frame 1, the lifting link 23 is hinged to the bottom of the fixed frame 1, the turning telescopic member 25 is disposed above the lifting link 23, one end of the turning telescopic member 25 is connected to the middle of the lifting link 23, and the other end is hinged to the upper portion of the fixed frame 1.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2 to 6, the fork 22 further includes a revolving frame 2, the fixed frame 1 is provided with a revolving speed reducer 4, an output end of the revolving speed reducer 4 is provided with an output gear 13, the revolving frame 2 is provided with a revolving support 14, the output gear 13 is engaged with the revolving support 14, and a supporting fork of the fork 22 is directly or indirectly connected to the revolving frame 2. An output shaft of the rotary speed reducer 4 is perpendicular to the fixing frame 1, and the rotary speed reducer 4 drives the rotary frame 2 to rotate. So set up, can drive through slewing reducer 4 the revolving rack 2 is at vertical plane internal rotation, can make the fork sword slope like this for the container slope is convenient for unload. The revolving frame 2 is connected with the fixed frame 1 through a slewing bearing 14, the motor drives a slewing reducer 4 to be meshed with the slewing bearing 14 through an output gear 13, and the revolving frame 2 revolves around the fixed frame 1.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2 to 6, the fork 22 further includes a side moving frame 3, the supporting fork is disposed on the side moving frame 3, the side moving frame 3 is connected to the revolving frame 2 through a side moving shaft 17 and a side moving telescopic part 12, one end of the side moving telescopic part 12 is connected to the side moving frame 3, the other end is connected to the revolving frame 2, and the side moving telescopic part 12 can drive the side moving frame 3 and the revolving frame 2 to perform side moving movement along the side moving shaft 17. So set up, fork utensil 22 possesses the side and moves the function, conveniently carries out the case with holding in the palm fork and container fork groove.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the side shift frame 3 is provided with a side shift lug 15, the revolving frame 2 is provided with a revolving lug 16, the side shift lug 15 and the revolving lug 16 are both connected with the side shift shaft 17 in a penetrating manner, the side shift shaft 17 is fixedly connected with the side shift frame 3, and the revolving lug 16 can slide on the side shift shaft 17.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, a hollow portion is disposed in the middle of the side shift frame 3, a first hinge lug 18 is disposed on one side of the hollow portion, the revolving frame 2 is disposed with a second hinge lug 19, the second hinge lug 19 extends to the side shift hollow portion, the side shift telescopic member 12 is disposed in the hollow portion, and two ends of the side shift telescopic member 12 are respectively connected to the first hinge lug 18 and the second hinge lug 19.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the fork includes at least a first fork blade 5 and a second fork blade 6, an upper portion of the first fork blade 5 and an upper portion of the second fork blade 6 are respectively hinged to the side moving frame 3 through a swing connecting shaft 11, a connecting seat 9 is disposed in a middle portion of the side moving frame 3, and a bottom portion of the first fork blade 5 and a bottom portion of the second fork blade 6 are respectively connected to the connecting seat 9 through a first damping cylinder 7 and a second damping cylinder 8.
Therefore, the upper end of the fork is hinged with the support, the fork can swing along the hinged point of the fork and the support, then the bottom of the first fork knife 5 and the bottom of the second fork knife 6 are respectively connected with the support through the first damping oil cylinder 7 and the second damping oil cylinder 8, so that when the center distance of a fork groove of a container has certain deviation, namely the fork tool 22 tilts and turns over, and the side surface of the fork knife cannot simultaneously contact with the side surface of the fork groove of the container and bear force, the weight of goods exceeds the bearing of a single fork knife, the damping oil cylinders are pushed to contract, namely the center distance between the fork knives is reduced, and the two fork knives are ensured to be stressed simultaneously.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 6, the first damping cylinder 7 and the second damping cylinder 8 are connected to the accumulator 10. The damping oil cylinders are connected with the energy accumulator 10 and can provide certain initial pressure, when the container is inclined, for example, the load of the loaded goods is 30 tons, the load of one damping oil cylinder can be set to be about 15 tons, the weight of the goods exceeds the load of a single fork knife, the damping oil cylinders can be pushed to contract, namely, the center distance between the fork knives is reduced, and therefore the two fork knives are stressed simultaneously.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, the lifting telescopic member 24, the tilting telescopic member 25 and the side shift telescopic member 12 are all oil cylinders.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a forklift truck, includes the frame body and sets up running gear and fork utensil on the frame body, its characterized in that, the frame body is the rigidity frame body, the transaxle setting of forklift truck is in the front portion of frame body, the steering axle setting of forklift truck is in the rear portion of frame body, forklift truck still includes lifting mechanism, lifting mechanism sets up forklift truck is anterior, lifting mechanism with the fork utensil links to each other and can drive the vertical motion of fork utensil.
2. The forklift truck according to claim 1, wherein the lifting mechanism comprises a lifting connecting rod, a lifting telescopic member and a turning telescopic member, one end of the lifting connecting rod is hinged to the truck body, the other end of the lifting connecting rod is hinged to the fork, one end of the lifting telescopic member is connected to the truck body, the other end of the lifting telescopic member is hinged to the lifting connecting rod, the lifting telescopic member can drive the lifting connecting rod to rotate along a hinge point of the lifting connecting rod and the truck body, one end of the turning telescopic member is connected to the lifting connecting rod, the other end of the turning telescopic member is hinged to the fork, and the turning telescopic member can drive the fork to rotate along a hinge point of the turning telescopic member and the lifting connecting rod.
3. The forklift truck according to claim 1, wherein the lifting telescopic member is arranged below the lifting connecting rod, and the movable end of the lifting telescopic member is hinged to the middle of the lifting connecting rod.
4. The forklift truck according to claim 3, wherein the fork comprises a fixed frame, the lifting connecting rod is hinged to the bottom of the fixed frame, the overturning telescopic piece is arranged above the lifting connecting rod, one end of the overturning telescopic piece is connected with the middle of the lifting connecting rod, and the other end of the overturning telescopic piece is hinged to the upper portion of the fixed frame.
5. The forklift truck according to any one of claims 1 to 4, wherein the fork further comprises a rotary frame, the fixed frame is provided with a rotary speed reducer, an output gear is arranged at an output end of the rotary speed reducer, the rotary frame is provided with a rotary support, the output gear is meshed with the rotary support, and a supporting fork of the fork is directly or indirectly connected with the rotary frame.
6. The forklift truck according to claim 5, wherein the fork further comprises a side moving frame, the supporting fork is arranged on the side moving frame, the side moving frame is connected with the rotary frame through a side moving shaft and a side moving telescopic piece, one end of the side moving telescopic piece is connected with the side moving frame, the other end of the side moving telescopic piece is connected with the rotary frame, and the side moving telescopic piece can drive the side moving frame and the rotary frame to move laterally along the side moving shaft.
7. The forklift truck according to claim 6, wherein the side shift frame is provided with a side shift lug, the revolving frame is provided with a revolving lug, the side shift lug and the revolving lug are both connected with the side shift shaft in a penetrating manner, the side shift shaft is fixedly connected with the side shift frame, and the revolving lug can slide on the side shift shaft.
8. The forklift truck according to claim 7, wherein a hollowed-out portion is arranged in the middle of the side shift frame, a first hinge lug is arranged on one side of the hollowed-out portion, a second hinge lug is arranged on the revolving frame, the second hinge lug extends to the side shift hollowed-out portion, the side shift telescopic member is arranged in the hollowed-out portion, and two ends of the side shift telescopic member are respectively connected with the first hinge lug and the second hinge lug.
9. The forklift truck according to claim 6, wherein the supporting fork at least comprises a first fork blade and a second fork blade, the upper part of the first fork blade and the upper part of the second fork blade are respectively hinged with the side moving frame through swing connecting shafts, a connecting seat is arranged in the middle of the side moving frame, and the bottom of the first fork blade and the bottom of the second fork blade are respectively connected with the connecting seat through a first damping oil cylinder and a second damping oil cylinder.
10. The forklift truck of claim 9, wherein said first and second damping cylinders are connected to said accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259583.9A CN110937550A (en) | 2019-12-10 | 2019-12-10 | Forklift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259583.9A CN110937550A (en) | 2019-12-10 | 2019-12-10 | Forklift truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110937550A true CN110937550A (en) | 2020-03-31 |
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ID=69910526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911259583.9A Pending CN110937550A (en) | 2019-12-10 | 2019-12-10 | Forklift truck |
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| CN (1) | CN110937550A (en) |
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| CN109110688A (en) * | 2018-11-16 | 2019-01-01 | 荣成中磊石材有限公司 | It is a kind of to have both promotion, traversing and rotation function pallet fork |
| CN109132955A (en) * | 2018-11-16 | 2019-01-04 | 荣成中磊石材有限公司 | A kind of railway container rotation pallet fork |
| CN212559326U (en) * | 2019-12-10 | 2021-02-19 | 湖南图南机械科技有限公司 | Forklift truck |
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