CN111792571A - A stabilize fork device and fork truck for fork truck - Google Patents

A stabilize fork device and fork truck for fork truck Download PDF

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Publication number
CN111792571A
CN111792571A CN202010664250.0A CN202010664250A CN111792571A CN 111792571 A CN111792571 A CN 111792571A CN 202010664250 A CN202010664250 A CN 202010664250A CN 111792571 A CN111792571 A CN 111792571A
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CN
China
Prior art keywords
fork
oil cylinder
hydraulic oil
goods
plate
Prior art date
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Pending
Application number
CN202010664250.0A
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Chinese (zh)
Inventor
阮烜清
石远芳
赵晓丽
张力戈
林梅兰
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Longhe Intelligent Equipment Manufacturing Co Ltd
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Longhe Intelligent Equipment Manufacturing Co Ltd
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Application filed by Longhe Intelligent Equipment Manufacturing Co Ltd filed Critical Longhe Intelligent Equipment Manufacturing Co Ltd
Priority to CN202010664250.0A priority Critical patent/CN111792571A/en
Publication of CN111792571A publication Critical patent/CN111792571A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • B66F9/18Load gripping or retaining means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic 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 stable fork device for a forklift and the forklift, wherein the stable fork device comprises a fork frame, a first fork mechanism, a first hydraulic oil cylinder, a second fork mechanism and a second hydraulic oil cylinder; the fork frame comprises a supporting plate, a first rear hanging plate and a second rear hanging plate; the cylinder body of the first hydraulic oil cylinder is arranged on the first rear hanging plate, the piston rod of the first hydraulic oil cylinder is arranged on the first fork mechanism, and the first hydraulic oil cylinder is used for driving the first fork mechanism to move up and down; a cylinder body of a second hydraulic cylinder is arranged on the second rear hanging plate, a piston rod of the second hydraulic cylinder is arranged on the second fork mechanism, and the second hydraulic cylinder is used for driving the second fork mechanism to move up and down; the first fork mechanism and the second fork mechanism are matched with each other to clamp the goods. According to the stable fork device, the first fork mechanism and the second fork mechanism can move up and down, so that the arm expanding range between the first fork mechanism and the second fork mechanism is enlarged, the stability is improved, and the goods are prevented from sliding off.

Description

A stabilize fork device and fork truck for fork truck
Technical Field
The invention relates to the technical field of industrial carrying vehicles, in particular to a stable fork device for a forklift and the forklift.
Background
Forklifts are industrial handling vehicles of various wheeled type that perform handling, stacking and short-distance transport operations on piece pallet goods. The forklift is widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, circulation centers, distribution centers and the like, carries out loading, unloading and carrying operations of pallet goods in cabins, carriages and containers, and is essential equipment in pallet transportation and container transportation.
Chinese patent CN108706516A discloses a forklift, comprising: a vehicle body; the gantry is mounted on the vehicle body, the rotatable supporting plates are arranged between two side beams of the gantry at equal intervals, lifting wheels are arranged at two ends of the gantry, lifting chains are arranged on the lifting wheels, lifting hooks are arranged on the lifting chains, and height sensors are arranged at the roots of the lifting hooks; fork goods structure, fork goods structure are located bottom the automobile body, a plurality of prong and transport structure, and a plurality of prong stack is on transport structure, can follow transport structure motion, and the prong root is equipped with the backup pad, and the backup pad forms the contained angle with the prong, and the backup pad bottom is equipped with the draw-in groove, and the draw-in groove colludes the cooperation with going up and down.
Chinese patent CN107879289A discloses a forklift, which comprises a frame, a door frame, a front drive axle assembly, a corner sensor and a stability maintaining drive system, wherein the door frame is arranged on the frame; the front drive axle assembly is pivotally mounted on the frame and the pivot axis of the front drive axle assembly is oriented in the longitudinal direction of the frame; the rotation angle sensor is used for detecting the pivoting angle of the front drive axle assembly relative to the frame; the stability maintaining driving system is respectively connected with the frame and the front drive axle assembly and is communicated with the corner sensor, the stability maintaining driving system obtains the inclination of the frame relative to the horizontal plane in the transverse direction according to the detection result of the corner sensor, and drives the frame to be horizontal according to the inclination of the frame relative to the horizontal plane in the transverse direction.
In prior art, the lower fork of fork truck load stabilizer is fixed, can't reciprocate, it can relative movement to go up the fork, it reciprocates to go up the fork through cylinder drive, owing to receive the restriction of hydro-cylinder stroke, the arm-expanding scope of going up the fork is general little down, the quantity of goods handling is limited, be unfavorable for the transport of large amount goods, can't satisfy the requirement of different quantity goods and different goods size, work efficiency is low, and its poor stability, when transport, stack goods, the goods exist and overturn, the damaged risk of landing.
Disclosure of Invention
Therefore, the stable fork device for the forklift and the forklift are needed to be provided, and the stable fork device is used for solving the technical problems that the lower fork of a forklift load stabilizer is fixed, the lower fork cannot move up and down, the upper fork can move relative to each other, the upper fork can move up and down through the oil cylinder drive, the range of the expanding arm of the upper fork and the lower fork is generally smaller due to the limitation of the stroke of the oil cylinder, the quantity of goods to be loaded and unloaded is limited, the large quantity of goods is not favorable for carrying, the requirements of different quantities of goods and different sizes of goods cannot be met, the working efficiency is low, the stability is poor, when the goods are carried and stacked, the goods have the technical problems of tipping, the risk of sliding damage and the.
To achieve the above object, the present invention provides a stable fork device for a forklift, comprising: the fork type hydraulic forklift comprises a fork frame, a first fork mechanism, a first hydraulic oil cylinder, a second fork mechanism and a second hydraulic oil cylinder;
the first fork mechanism and the second fork mechanism are respectively arranged at two ends of the fork frame;
the fork frame comprises a supporting plate, a first rear hanging plate and a second rear hanging plate;
the first rear hanging plate and the second rear hanging plate are respectively connected with the supporting plate, and the first rear hanging plate is arranged above the second rear hanging plate;
the cylinder body of the first hydraulic oil cylinder is arranged on the first rear hanging plate, the piston rod of the first hydraulic oil cylinder is arranged on the first fork mechanism, and the first hydraulic oil cylinder is used for driving the first fork mechanism to move up and down;
the cylinder body of the second hydraulic cylinder is mounted on the second rear hanging plate, the piston rod of the second hydraulic cylinder is mounted on the second fork mechanism, and the second hydraulic cylinder is used for driving the second fork mechanism to move up and down;
the first hydraulic oil cylinder is arranged on one side of the second hydraulic oil cylinder, the first hydraulic oil cylinder and the second hydraulic oil cylinder are respectively arranged along the width direction of the first fork mechanism in a staggered mode, and the working pressure of the first hydraulic oil cylinder is greater than or equal to that of the second hydraulic oil cylinder;
the first fork mechanism and the second fork mechanism are matched with each other to clamp the goods.
As a preferable structure of the present invention, the fork further comprises a sliding mechanism, the sliding being provided on the support plate.
As a preferred structure of the present invention, the sliding mechanism includes a sliding slot and a sliding rod, and the sliding slot and the sliding rod are matched with each other; or
The sliding mechanism comprises a sliding rail and a pulley, and the sliding rail is matched with the pulley.
As a preferable structure of the present invention, the first fork mechanism includes a first fork and a first fork mounting plate;
the first fork mounting plate is connected with the supporting plate in a sliding mode through the sliding mechanism, and the first fork is connected with the first fork mounting plate.
As a preferable structure of the present invention, the second fork mechanism includes a second fork and a second fork mounting plate;
the second fork mounting plate is connected with the supporting plate in a sliding mode through the sliding mechanism, and the second fork is connected with the second fork mounting plate.
As a preferable structure of the present invention, the first fork has an L-shaped cross section, and includes a horizontal plate and a vertical plate, the horizontal plate is connected to the vertical plate, and a thickness of the vertical plate is greater than a thickness of the horizontal plate.
As a preferable structure of the present invention, the second fork is provided with a viewing port.
As a preferable structure of the present invention, the stabilizing fork device further includes a side shift mechanism connected to the fork.
As a preferable structure of the invention, the side-shifting mechanism comprises a fixing plate, a hook assembly and a third hydraulic oil cylinder;
the fixed plate is connected with the fork frame, the hook assembly is arranged on the fixed plate, and the third hydraulic oil cylinder is used for driving the fork frame to move left and right.
Different from the prior art, the beneficial effects of the technical scheme are as follows: first fork mechanism, second fork mechanism mutually supports and is used for pressing from both sides tight goods, first hydraulic cylinder drive first fork mechanism reciprocates, hold up the goods as first fork mechanism, second hydraulic cylinder drive second fork mechanism moves down plays clamping action to the goods in the first fork mechanism, first hydraulic cylinder also can the first fork mechanism of redriving move up, further press from both sides tight goods, the stability is improved, prevent in the transport, when the stack goods, the goods tumbles, the landing, cause the damage. Because first fork mechanism, second fork mechanism can reciprocate, can increase the arm range of opening between first fork mechanism and the second fork mechanism, thereby can satisfy the requirement of different quantity goods and different goods size, when less goods of needs shipment quantity or less goods, can press from both sides the goods tightly with second fork mechanism downstream, move up first fork mechanism again and further press from both sides the goods tightly, and the stability is improved, prevent when the transport, the stack goods, the goods tumbles, the landing causes the damage. When more goods of quantity or great goods need to be shipped, because first fork mechanism, second fork mechanism can reciprocate, have increased the arm scope of opening between first fork mechanism and the second fork mechanism, press from both sides tightly the goods through mutually supporting of first fork mechanism and second fork mechanism, improve stability, improve work efficiency, prevent when transport, stack goods that the goods are tumbled, the landing causes the damage.
In order to achieve the above object, the inventor further provides a forklift comprising a body and
the stabilizing fork assembly of any one of the above mentioned inventors;
the stable fork device is connected with the vehicle body.
Different from the prior art, the beneficial effects of the technical scheme are as follows: first fork mechanism on the fork truck, second fork mechanism mutually supports and is used for pressing from both sides tight goods, first hydraulic cylinder drive first fork mechanism reciprocates, hold up the goods as first fork mechanism, second hydraulic cylinder drive second fork mechanism moves down and plays clamping action to the goods in the first fork mechanism, first hydraulic cylinder also can the first fork mechanism of redriving move up, further press from both sides tight goods, the stability is improved, prevent when the transport, the stack goods, the goods tumbles, the landing, cause the damage. Because first fork mechanism, second fork mechanism can reciprocate, can increase the arm range of opening between first fork mechanism and the second fork mechanism, thereby can satisfy the requirement of different quantity goods and different goods size, when less goods of needs shipment quantity or less goods, can press from both sides the goods tightly with second fork mechanism downstream, move up first fork mechanism again and further press from both sides the goods tightly, and the stability is improved, prevent when the transport, the stack goods, the goods tumbles, the landing causes the damage. When more goods of quantity or great goods need to be shipped, because first fork mechanism, second fork mechanism can reciprocate, have increased the arm scope of opening between first fork mechanism and the second fork mechanism, press from both sides tightly the goods through mutually supporting of first fork mechanism and second fork mechanism, improve stability, improve work efficiency, prevent when transport, stack goods that the goods are tumbled, the landing causes the damage.
Drawings
FIG. 1 is a schematic structural diagram of a forklift according to an embodiment;
FIG. 2 is a schematic structural view of a stabilizing fork assembly according to an embodiment;
FIG. 3 is a second schematic structural view of the stabilizing fork assembly according to the second embodiment;
FIG. 4 is a side view of a stabilizing fork assembly according to an embodiment;
FIG. 5 is a top view of a stabilizing fork assembly according to an embodiment.
Description of reference numerals:
1. the vehicle body is provided with a plurality of wheels,
2. the fork device is stabilized and the fork is fixed,
3. the fork carriage,
31. a supporting plate is arranged on the upper surface of the supporting plate,
32. the first back hanging plate is provided with a first back hanging plate,
33. a second rear hanging plate is arranged on the second rear hanging plate,
34. a sliding groove is arranged on the top of the sliding groove,
35. a slide bar is arranged on the base plate,
4. a first fork mechanism is arranged on the first fork mechanism,
41. a first fork is arranged on the first fork body,
411. the transverse plate is arranged on the upper surface of the frame,
412. a vertical plate is arranged on the upper surface of the base,
42. a first fork mounting plate is arranged on the first fork,
5. a second fork mechanism is arranged on the second fork mechanism,
51. the second fork is provided with a second fork,
511. an observation port is arranged at the front end of the observation tube,
52. a second fork mounting plate is arranged on the second fork mounting plate,
6. a first hydraulic oil cylinder is arranged on the upper portion of the hydraulic cylinder,
7. a second hydraulic oil cylinder is arranged on the upper portion of the cylinder body,
8. a side-shifting mechanism which is used for shifting the side of the device,
81. a fixing plate is arranged on the base plate,
82. the hook component is arranged on the upper portion of the hook,
83. and a third hydraulic oil cylinder.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present embodiment relates to a forklift, which includes a forklift body 1 and a stable fork device 2; the stable fork device 2 is connected with the vehicle body 1; specifically, in the present embodiment, the body 1 includes a mast to which the stabilizing fork assembly 2 is coupled via a clevis assembly 82. Further, the forklift further comprises a control mechanism, and the control mechanism is used for controlling the operation of the forklift.
Referring to fig. 2 to 5, the present embodiment further relates to a stable fork device for a forklift, which includes a fork carriage 3, a first fork mechanism 4, a first driving mechanism, a second fork mechanism 5 and a second driving mechanism; further, the first fork mechanism 4 and the second fork mechanism 5 are respectively arranged at two ends of the fork frame 3, the first fork mechanism 4 is arranged below the second fork mechanism 5, the first fork mechanism 4 is used for bearing goods, and the second fork mechanism 5 is used for clamping the goods on the first fork mechanism 4. Specifically, in the present embodiment, as shown in fig. 2 and 3, the fork 3 includes a support plate 31, a first rear link plate 32, a second rear link plate 33, and a sliding mechanism; the first rear hanging plate 32 and the second rear hanging plate 33 are respectively connected with the supporting plate 31, the first rear hanging plate 32 is arranged above the second rear hanging plate 33, and the sliding mechanism is arranged on the supporting plate 31. Preferably, in the present embodiment, the sliding mechanism includes a sliding slot 34 and a sliding rod 35, and the sliding slot 34 is matched with the sliding. In other embodiments, the sliding mechanism may further include a sliding rail and a pulley, and the sliding rail and the pulley are engaged with each other. Preferably, in this embodiment, as shown in fig. 2 and 3, the cross-sectional shape of the sliding groove 34 is T-shaped, so that the installation is convenient, and a wear-resistant block is arranged in the sliding groove 34.
Further, in some embodiments, the first driving mechanism is disposed on one side of the first fork mechanism 4, preferably, in this embodiment, as shown in fig. 2 and fig. 3, the first driving mechanism is a first hydraulic cylinder 6, a cylinder body of the first hydraulic cylinder 6 is mounted on the first rear hanging plate 32, a piston rod of the first hydraulic cylinder 6 is mounted on the first fork mechanism 4, the first hydraulic cylinder 6 is used for driving the first fork mechanism 4 to move up and down, and the first fork mechanism 4 is driven by the first hydraulic cylinder 6, so that the first fork mechanism 4 can move up and down, the arm-opening range is enlarged, and the goods can be clamped more conveniently, and the first driving mechanism is high in flexibility and simple and convenient to operate.
Further, in some embodiments, the second driving mechanism is disposed on one side of the second fork mechanism 5, preferably, in this embodiment, as shown in fig. 2 and fig. 3, the second driving mechanism is a second hydraulic cylinder 7, a cylinder body of the second hydraulic cylinder 7 is mounted on the second rear hanging plate 33, a piston rod of the second hydraulic cylinder 7 is mounted on the second fork mechanism 5, the second hydraulic cylinder 7 is used for driving the second fork mechanism 5 to move up and down, and the second fork mechanism 5 is driven by the second hydraulic cylinder 7, so that the second fork mechanism 5 can move up and down, the arm-opening range is enlarged, and the goods can be clamped more conveniently, and the second fork mechanism is high in flexibility and simple and convenient to operate.
Preferably, in this embodiment, as shown in fig. 2 and 3, the first hydraulic cylinder 6 is disposed on one side of the second hydraulic cylinder 7, the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are respectively disposed along the width direction of the first fork mechanism 4 in a staggered manner, and the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are disposed in a staggered manner, so that the load loss distance of the stable fork mechanism 2 is reduced.
Preferably, in this embodiment, the driving force of the first driving mechanism is greater than the driving force of the second driving mechanism, that is, the working pressure of the first hydraulic cylinder 6 is greater than the working pressure of the second hydraulic cylinder 7. First hydraulic cylinder 6 is used for driving first fork mechanism 4 and reciprocates, and second hydraulic cylinder 7 is used for driving second fork mechanism 5 and reciprocates, and first fork mechanism 4 is used for bearing the weight of the goods, and second fork mechanism 5 is used for cooperating first fork mechanism 4 and presss from both sides tight goods, consequently, for second fork mechanism 5, first fork mechanism 4 needs bigger drive power to improve the overall stability of steady fork. In other embodiments, the driving force of the first driving mechanism is equal to the driving force of the second driving mechanism, that is, the working pressure of the first hydraulic cylinder 6 is equal to the working pressure of the second hydraulic cylinder 7, the working pressures of the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are equal, and the larger the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are, the larger the force provided is, which is more beneficial to bearing the goods and improving the overall stability.
Further, in some embodiments, as shown in fig. 2 and fig. 3, the first fork mechanism 4 and the second fork mechanism 5 cooperate with each other to clamp the goods, specifically, the first hydraulic cylinder 6 drives the first fork mechanism 4 to move up and down, when the first fork mechanism 4 holds the goods, the second hydraulic cylinder 7 drives the second fork mechanism 5 to move down to clamp the goods on the first fork mechanism 4, and the first hydraulic cylinder 6 can also drive the first fork mechanism 4 to move up again to further clamp the goods, so as to improve the stability, and prevent the goods from tipping and sliding down to cause damage during the transportation and stacking of the goods. Because first fork mechanism 4, second fork mechanism 5 can reciprocate, can increase the arm range of opening between first fork mechanism 4 and the second fork mechanism 5, thereby can satisfy the requirement of different quantity goods and different goods size, when the less goods of needs shipment quantity or less goods, can press from both sides the goods tightly with second fork mechanism 5 downstream, move up first fork mechanism 4 again and further press from both sides the goods tightly, the stability is improved, prevent when the transport, when the stack goods, the goods tumbles, the landing causes the damage. When the more goods of quantity or great goods need to be shipped, because first fork mechanism 4, second fork mechanism 5 can reciprocate, the arm range of opening between first fork mechanism 4 and the second fork mechanism 5 has been increased, press from both sides the goods tightly through mutually supporting of first fork mechanism 4 and second fork mechanism 5, stability is improved, work efficiency is improved, prevent when transport, stack goods, the goods tumbles, the landing, cause the damage.
Further, in the present embodiment, as shown in fig. 2 and 3, the first fork mechanism 4 includes a first fork 41 and a first fork mounting plate 42; the first fork mounting plate 42 is slidably connected to the support plate 31 via the sliding mechanism, and the first fork 41 is connected to the first fork mounting plate 42. Specifically, in the present embodiment, as shown in fig. 2 and 3, the first hydraulic cylinder 6 drives the first fork mounting plate 42 to move up and down, and the first fork mounting plate 42 drives the sliding rod 35 to move up and down in the sliding slot 34 and drives the first fork 41 to move up and down.
Preferably, in the present embodiment, as shown in fig. 2 and 3, the cross-sectional shape of the first fork 41 is L-shaped, the first fork 41 includes a horizontal plate 411 and a vertical plate 412, the horizontal plate 411 is connected to the vertical plate 412, and the thickness of the vertical plate 412 is greater than that of the horizontal plate 411, so as to improve the stability of the first fork mechanism 4.
Further, in some embodiments, as shown in fig. 2 and 3, the second fork mechanism 5 includes a second fork 51 and a second fork mounting plate 52; the second fork mounting plate 52 is slidably connected to the support plate 31 via the sliding mechanism, and the second fork 51 is connected to the second fork mounting plate 52. Specifically, in the present embodiment, as shown in fig. 2 and 3, the second hydraulic cylinder 7 drives the second fork mounting plate 52 to move up and down, and the second fork mounting plate 52 drives the sliding rod 35 to move up and down in the sliding slot 34 and drives the second fork 51 to move up and down. Preferably, in the embodiment, as shown in fig. 2 and 3, the second fork 51 is provided with an observation port 511, so that an operator can conveniently observe the stacking condition of the goods through the observation port 511.
Further, in some embodiments, as shown in fig. 2 and 3, the stabilizing fork arrangement 2 further comprises a side shift mechanism 8, the side shift mechanism 8 being coupled to the fork carriage 3. Specifically, in the present embodiment, as shown in fig. 2 and 3, the side-shifting mechanism 8 includes a fixed plate 81, a hook assembly 82, and a third driving mechanism; the fixed plate 81 is fixedly connected with the fork frame 3, the hook assembly 82 is arranged on the fixed plate 81 and is connected with the door frame in a buckling mode through the hook assembly 82, and therefore disassembly is convenient; the third driving mechanism is used for driving the fork carriage 3 to move left and right, and preferably, in this embodiment, the third driving mechanism is a third hydraulic cylinder 83, and the third hydraulic cylinder 83 is a double-acting cylinder. The fork frame 3 can be moved left and right through the side moving mechanism 8, operation of left and right movement of the forklift by an operator is reduced, so that goods can be loaded and unloaded more conveniently, and the working efficiency is improved.
Specifically, the method comprises the following steps. The first hydraulic oil cylinder 6 drives the first fork mounting plate 42 to move up and down, and the first fork mounting plate 42 drives the sliding rod 35 to move up and down in the sliding groove 34 and drives the first fork 41 to move up and down. The second hydraulic cylinder 7 drives the second fork mounting plate 52 to move up and down, and the second fork mounting plate 52 drives the slide rod 35 to move up and down in the slide groove 34 and drives the second fork 51 to move up and down. First fork 41, second fork 51 mutually supports and is used for pressing from both sides tight goods, first hydraulic cylinder 6 drives first fork 41 and reciprocates, first fork 41 holds up the goods, second hydraulic cylinder 7 drives second fork 51 downstream and plays clamping action to the goods on the first fork, first hydraulic cylinder 6 also can drive first fork 41 and up move again, further press from both sides tight goods, the stability is improved, prevent at the transport, when the stack goods, the goods tumbles, the landing, cause the damage. Because first fork 41, second fork 51 can reciprocate, can increase the arm range of opening between first fork 41 and the second fork 51, thereby can satisfy the requirement of different quantity goods and different goods size, when the less goods of needs shipment quantity or less goods, can press from both sides the goods tightly with second fork 51 downstream, move up first fork 41 again and further press from both sides the goods tightly, and the stability is improved, prevent when the transport, the stack goods, the goods tumbles, the landing, cause the damage. When the more goods of quantity or great goods need to be shipped, because first fork 41, second fork 51 can reciprocate, have increased the arm scope of opening between first fork 41 and the second fork 51, press from both sides tightly the goods through mutually supporting of first fork 41 and second fork 51, improve stability, improve work efficiency, prevent when transport, stack goods that the goods are tumbled, the landing, cause the damage.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims (10)

1. A stabilize fork device for fork truck which characterized in that: the fork type hydraulic forklift comprises a fork frame, a first fork mechanism, a first hydraulic oil cylinder, a second fork mechanism and a second hydraulic oil cylinder;
the first fork mechanism and the second fork mechanism are respectively arranged at two ends of the fork frame;
the fork frame comprises a supporting plate, a first rear hanging plate and a second rear hanging plate;
the first rear hanging plate and the second rear hanging plate are respectively connected with the supporting plate, and the first rear hanging plate is arranged above the second rear hanging plate;
the cylinder body of the first hydraulic oil cylinder is arranged on the first rear hanging plate, the piston rod of the first hydraulic oil cylinder is arranged on the first fork mechanism, and the first hydraulic oil cylinder is used for driving the first fork mechanism to move up and down;
the cylinder body of the second hydraulic cylinder is mounted on the second rear hanging plate, the piston rod of the second hydraulic cylinder is mounted on the second fork mechanism, and the second hydraulic cylinder is used for driving the second fork mechanism to move up and down;
the first hydraulic oil cylinder is arranged on one side of the second hydraulic oil cylinder, the first hydraulic oil cylinder and the second hydraulic oil cylinder are respectively arranged along the width direction of the first fork mechanism in a staggered mode, and the working pressure of the first hydraulic oil cylinder is greater than or equal to that of the second hydraulic oil cylinder;
the first fork mechanism and the second fork mechanism are matched with each other to clamp the goods.
2. The stabilizing fork arrangement for a forklift truck of claim 1, wherein: the fork further comprises a sliding mechanism, which is slidably arranged on the support plate.
3. The stabilizing fork arrangement for a forklift truck of claim 2, wherein: the sliding mechanism comprises a sliding groove and a sliding rod, and the sliding groove is matched with the sliding rod; or
The sliding mechanism comprises a sliding rail and a pulley, and the sliding rail is matched with the pulley.
4. The stabilizing fork arrangement for a forklift truck of claim 2, wherein: the first fork mechanism comprises a first fork and a first fork mounting plate;
the first fork mounting plate is connected with the supporting plate in a sliding mode through the sliding mechanism, and the first fork is connected with the first fork mounting plate.
5. The stabilizing fork arrangement for a forklift truck of claim 2, wherein: the second fork mechanism comprises a second fork and a second fork mounting plate;
the second fork mounting plate is connected with the supporting plate in a sliding mode through the sliding mechanism, and the second fork is connected with the second fork mounting plate.
6. The stabilizing fork arrangement for a forklift truck of claim 4, wherein: the cross-sectional shape of first fork is the L type, first fork includes diaphragm and riser, the diaphragm with the riser is connected, the thickness of riser is greater than the thickness of diaphragm.
7. The stabilizing fork arrangement for a forklift truck of claim 5, wherein: and the second fork is provided with an observation port.
8. The stabilizing fork arrangement for a forklift truck of claim 1, wherein: the stabilizing fork device further comprises a side shift mechanism, and the side shift mechanism is connected with the fork frame.
9. The stabilizing fork arrangement for a forklift truck of claim 8, wherein: the side-moving mechanism comprises a fixing plate, a hook assembly and a third hydraulic oil cylinder;
the fixed plate is connected with the fork frame, the hook assembly is arranged on the fixed plate, and the third hydraulic oil cylinder is used for driving the fork frame to move left and right.
10. A forklift, characterized in that: comprises a vehicle body and
the stabilizing fork assembly of any one of claims 1 to 9;
the stable fork device is connected with the vehicle body.
CN202010664250.0A 2020-07-10 2020-07-10 A stabilize fork device and fork truck for fork truck Pending CN111792571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010664250.0A CN111792571A (en) 2020-07-10 2020-07-10 A stabilize fork device and fork truck for fork truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010664250.0A CN111792571A (en) 2020-07-10 2020-07-10 A stabilize fork device and fork truck for fork truck

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Publication number Priority date Publication date Assignee Title
CN112645249A (en) * 2020-12-16 2021-04-13 安徽宇锋智慧物联科技有限公司 Stacking type AGV forklift
CN116374892A (en) * 2023-06-05 2023-07-04 新乡中铁公路发展有限公司 Be suitable for self-stabilizing fork truck on uneven ground
WO2024073926A1 (en) * 2022-10-08 2024-04-11 劢微机器人科技(深圳)有限公司 Forklift

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CN103601103A (en) * 2013-10-25 2014-02-26 青岛现代海麟重工有限公司 Manufacturing method of upward and downward clamping type fork truck
CN203833570U (en) * 2014-01-23 2014-09-17 安特威尔叉车属具(漳州)有限公司 Rotating soft bag clamp
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645249A (en) * 2020-12-16 2021-04-13 安徽宇锋智慧物联科技有限公司 Stacking type AGV forklift
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CN116374892A (en) * 2023-06-05 2023-07-04 新乡中铁公路发展有限公司 Be suitable for self-stabilizing fork truck on uneven ground
CN116374892B (en) * 2023-06-05 2023-08-08 新乡中铁公路发展有限公司 Be suitable for self-stabilizing fork truck on uneven ground

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