CN109879211B - Forklift truck - Google Patents
Forklift truck Download PDFInfo
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- CN109879211B CN109879211B CN201910219062.4A CN201910219062A CN109879211B CN 109879211 B CN109879211 B CN 109879211B CN 201910219062 A CN201910219062 A CN 201910219062A CN 109879211 B CN109879211 B CN 109879211B
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- fork
- vehicle body
- supporting
- goods
- driving
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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
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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
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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 provides a forklift, comprising: the vehicle body is provided with wheels; a swing device mounted on an upper surface of the vehicle body and rotatable within the upper surface of the vehicle body; and a fork mounted on the vehicle body, capable of moving in a front-rear direction of the vehicle body and a height direction of the vehicle body, and capable of placing goods on the fork on the swing device. The fork can move back and forth and up and down, so that the fork can be adjusted up and down and the position of the fork can be adjusted back and forth according to the goods taking position and the goods unloading position. And slewer can install on the automobile body with rotating, and after the goods that will transport through the crotch is placed slewer on, just so can drive the goods through slewer's rotation and rotate in the horizontal plane to can adjust the posture of placing of goods on the automobile body, alright ensure the stability of fork truck transportation like this, reduce the possibility of overturning.
Description
Technical Field
The invention relates to the field of engineering vehicles, in particular to a forklift.
Background
The forklift is widely used for loading, unloading, stacking and short-distance transportation operation of goods, plays a very important role in a logistics system of an enterprise, and is a masterforce force in material handling equipment. However, the position of the goods can be adjusted only through the fork frame when the goods are transported by the forklift at present, the rotation of the goods cannot be realized on the horizontal plane, the center of gravity of the goods on the forklift cannot be adjusted, the goods cannot be placed along the front and back directions of the forklift body when the length of the goods is long, the center of gravity of the goods is unstable, and the risk of overturning is easy to occur when the forklift transports the goods.
Therefore, how to design a forklift capable of rotating goods in a horizontal plane is a problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, it is an object of the present invention to provide a forklift.
To achieve the above object, an embodiment of a first aspect of the present invention provides a forklift including: the vehicle body is provided with wheels; a swing device mounted on an upper surface of the vehicle body to be rotatable in the upper surface of the vehicle body; a fork mounted on the body, capable of moving in a front-rear direction of the body and a height direction of the body, and capable of placing goods on the fork onto the swing device.
According to an embodiment of the present invention, there is provided a forklift including a body, a swing device, and forks, wherein wheels may be preferably provided on the body so that movement of the body can be performed through the wheels, and the forks are used to perform pickup of goods, which can be moved both forward and backward and up and down, so that the forks can be adjusted up and down and the position of the forks can be adjusted forward and backward according to a pickup position and a discharge position, thereby enabling easy pickup and discharge of the forks. And slewer can install on the automobile body with rotating, can rotate in the upper surface of automobile body, the upper surface of automobile body here is the horizontal plane, after the goods that will transport through the crotch is placed slewer on like this, just can drive the goods at the horizontal rotation of rotation in through slewer, thereby just can adjust the posture of placing of goods on the automobile body, for example when the length of goods is longer than long term, can rotate the length direction of article to the fore-and-aft direction along fork truck, so that can rationally adjust the focus of goods, in order to ensure the stability of fork truck transportation, reduce the possibility of overturning, just so can avoid the goods to place unreasonablely and lead to the emergence of the turnover condition on fork truck. In addition, when the fork truck is used for taking or unloading goods through the fork truck, the fork truck can be driven to the unloading point or the position close to the unloading point, and then the front and back positions and the height position of the fork truck can be adjusted according to actual requirements, so that the fork truck can be adjusted to the optimal taking position or unloading position, and the fork truck can directly take goods with different heights and different distances at the optimal taking position or unloading position. When the structure is used for taking and unloading goods around the forklift, the front and rear positions of the fork frame can be directly adjusted without adjusting the distance between the forklift and the unloading point or the goods taking point back and forth, so that the distance between the forklift and the unloading point or the goods taking point does not need to be calculated too accurately when the forklift is parked, namely, the forklift only needs to be parked around the goods, the requirement on the distance of the forklift during parking is reduced, the control precision requirement on the parking of the forklift is reduced, and the phenomenon that the distance between the forklift and the unloading point or the goods taking point needs to be adjusted back and forth for multiple times due to the fact that the parking distance is not proper can be avoided. In addition, the fork frame can be extended into some narrow spaces by the arrangement, so that articles in some narrow places can be taken or unloaded to some narrower places, the occasions where the forklift can operate can be enlarged, and the operation in narrow areas can be realized.
Wherein the fork is preferably removably attached to the body such that the fork and body are removable from each other, thereby allowing the fork and body to be removed for independent maintenance and replacement. And the wheels are preferably universal wheels, so that the forklift can realize 360-degree steering.
In addition, the forklift provided according to the above embodiment of the present invention further has the following additional technical features:
in the above technical solution, preferably, the swiveling device includes: a rotation driving device; one or more rotary tables rotatably mounted on the vehicle body by the rotary drive device.
Among these technical scheme, can install one or more revolving platform on the automobile body, just so can adjust the focus of goods on fork truck through the rotation of revolving platform to ensure that the goods can place on fork truck more steadily, alright ensure the stability of fork truck transportation like this, reduce the possibility of overturning. The rotary driving device is specifically used for realizing the rotary driving of the rotary table, and specifically, the rotary driving of the rotary table can be realized by a rotary driving device such as a motor, a belt or a ratchet mechanism, and the driving mode of the rotary table is not limited herein, and the rotary table can be rotated continuously or intermittently.
The rotary driving device may be embodied as a rotary motor, or may be another structure capable of rotating the rotary table in the prior art.
In the above technical solution, preferably, the forklift further includes: the lifting device is arranged on the vehicle body, the rotating device can be rotatably arranged on the lifting device, and the lifting device can drive the rotating device to move along the height direction of the vehicle body.
In these technical schemes, still can set up a elevating gear on the automobile body, the drive of gyration dish is realized to accessible elevating gear like this, just so can make slewer enough revolve in the horizontal plane, can go up and down in the direction of height again, can enough adjust the posture of placing of goods in the level through slewer's rotation after placing the goods on slewer like this to adjust the focus of goods, can adjust the height of goods through the lift of elevating gear again, so that can adjust the goods to best position and state and transport, alright further guarantee fork truck's stability when transporting the goods like this, reduce the risk that fork truck overturned.
In the above technical solution, preferably, the forklift further includes: and the adjusting assembly is arranged on the vehicle body and can drive the fork to move along the front-back direction of the vehicle body and the height direction of the vehicle body.
In these solutions, an adjustment assembly may be provided for the fork, so that the front-back position and the up-down height position of the fork may be automatically adjusted by the adjustment assembly. The adjusting component can be a telescopic mechanism and can also be of an up-and-down sliding structure. Of course, the fork can also be driven by external forces without an adjustment assembly.
In the above technical solution, preferably, the adjusting assembly includes: the supporting pieces are arranged in parallel in a vertical plane of the forklift, and one ends of the supporting pieces are rotatably connected with the forklift body; the fork driving piece is arranged on the vehicle body, is connected with the plurality of supporting pieces and can drive the plurality of supporting pieces to rotate; wherein the fork is mounted on the other end of the plurality of the supports and is capable of moving when the plurality of the supports rotate.
In these technical solutions, the adjusting assembly comprises a fork driving member and a plurality of supporting members located in the vertical plane of the forklift, so that the fork can be supported and mounted on the plurality of supporting members, and the structure enables the fork to be movably mounted on the body through the plurality of supporting members on one hand, and enables the plurality of supporting members to be integrally connected through the fork on the other hand, so that the plurality of supporting members can be more easily rotated synchronously when the supporting members are driven to move. And a plurality of supports rotatably installed on the body in a vertical plane of the forklift so that the driving movement of the forks can be performed by the rotation of the plurality of supports in the vertical plane of the forklift so that the forks can be moved up and down and moved back and forth, and the plurality of supports are preferably arranged in parallel with each other so that a smooth supporting surface can be formed by the plurality of supports so that the smooth support of the forks can be achieved. Simultaneously, a plurality of support piece are parallel to each other, also make support piece can be changeed when moving under the effect of crotch driving piece in step, alright ensure the stability of goods on the crotch like this, prevent that the goods from inclining or dropping. The fork frame driving piece is specifically used for realizing the rotation driving of the plurality of supporting pieces, so that when the center of gravity or the height of goods on the fork frame needs to be adjusted, the fork frame driving piece can drive the plurality of supporting pieces to synchronously rotate, and therefore the integral movement of the fork frame and the goods can be realized.
In any one of the above technical solutions, preferably, the plurality of supporting members include a plurality of first supporting members and a plurality of second supporting members, the plurality of first supporting members are parallel to each other and obliquely installed on the first side of the vehicle body, and the plurality of second supporting members are parallel to each other and obliquely installed on the second side of the vehicle body; the fork frame driving piece comprises a first fork frame driving piece and a second fork frame driving piece, the first fork frame driving piece is installed on the vehicle body and connected with the first supporting pieces and used for driving the first supporting pieces to rotate, and the second fork frame driving piece is connected with the second supporting pieces and used for driving the second supporting pieces to rotate.
In the technical schemes, a plurality of parallel and inclined first supporting pieces are arranged on a first side of a vehicle body, a plurality of parallel and inclined second supporting pieces are arranged on a second side of the vehicle body, so that a supporting platform can be formed above the vehicle body by the plurality of first supporting pieces and the plurality of second supporting pieces, two sides of a fork can be directly erected and installed on the supporting platform formed by the plurality of first supporting pieces and the plurality of second supporting pieces, so that the supporting and installation of the fork can be realized by the plurality of supporting pieces, the fork can be erected and installed on the plurality of supporting pieces by the structure, the position of the fork can be adjusted by directly moving the supporting pieces, the fork can be supported and installed above the vehicle body, the space above the vehicle body can be reasonably utilized, and a space is reserved for the installation of other parts on the vehicle body, moreover, the fork frame with the structure is only limited by the support pieces, so that the fork frame is not easy to be blocked by other parts on the vehicle body, and the first support pieces and the second support pieces are obliquely and rotatably arranged on the vehicle body, so that the first support pieces and the second support pieces can be integrally driven to rotate under the action of the fork frame driving piece, and the fork frame can be driven to move up and down forwards and backwards. The fork driving piece is used for driving the supporting pieces to move, and preferably, the first fork driving piece can be arranged on the first side of the vehicle body corresponding to the plurality of first supporting pieces, so that the plurality of first supporting pieces can be driven through the first fork driving piece, meanwhile, the second fork driving piece can be arranged on the second side of the vehicle body corresponding to the plurality of second supporting pieces, so that the plurality of second supporting pieces can be driven through the second fork driving piece, and the structure enables the plurality of first supporting pieces and the plurality of second supporting pieces to be driven independently and enables driving force to be distributed on two sides of the vehicle body, so that the driving force can be distributed more uniformly, and stability of the fork driving piece in driving the fork to move can be ensured. Of course, in another aspect, it is also possible to provide only one fork driving member at the middle portion of the vehicle body to simultaneously drive the plurality of first supporting members and the plurality of second supporting members by one fork driving member, and this structure can eliminate the use of one driving device, thereby simplifying the structure of the product.
The fork frame driving piece can be specifically an expansion piece capable of driving the supporting piece to rotate, so that the integral driving of the supporting pieces can be realized through the expansion of the expansion piece.
Preferably, the first supporting members are equal in length and located at the same height position, and the second supporting members are equal in length and located at the same height position, so that one ends of the supporting members far away from the vehicle body can form a supporting plane parallel to the vehicle body, and the fork can be stably erected on the supporting members.
In any one of the above technical solutions, preferably, the forklift further includes: at least one stabilizer mounted in parallel with each other between the plurality of first supports and the plurality of second supports.
In the technical schemes, the stabilizing parts can be arranged between the first supporting parts and the second supporting parts, so that the first supporting parts and the second supporting parts on the two sides of the vehicle body can be connected with each other to form a whole, the supporting parts on the two sides of the vehicle body can be mutually restrained when moving respectively, and the supporting parts on the two sides of the vehicle body can synchronously move, so that the stability of the fork frame in the moving process can be ensured, and the defect that the supporting parts on the two sides of the vehicle body cannot be completely synchronous due to the influence of structures and the like is overcome.
Preferably, the plurality of stabilizers are each disposed at an end of the plurality of first supports and the plurality of second supports remote from the vehicle body, that is, when the plurality of first supports and the plurality of second supports are disposed in a vertical plane of the forklift, the plurality of stabilizers may preferably be connected to upper ends of the plurality of first supports and the plurality of second supports.
In any of the above technical solutions, preferably, the stabilizing members are all formed by connecting a plurality of segmented rods, or the stabilizing members are all integrated rods.
In these embodiments, the stabilizer may be preferably provided as a rod-shaped member, but of course, the stabilizer may be a hydraulic cylinder, an electric cylinder, or the like. Preferably, a plurality of sectional rods are butted with each other to form a stabilizing member, so that a longer rod member can be assembled by using smaller short rods, and thus the processing of the stabilizing member is more convenient and the cost is lower. In particular, the stabilizer may be provided, for example, as a two-piece rod including a first piece rod and a second piece rod. Of course, the stabilizer may also be a one-piece rod in another aspect.
Wherein, preferably, pass through threaded connection between the plurality of segmentation poles, this can make the connection between the segmentation pole more convenient reliable.
In any of the above technical solutions, preferably, the first support member and the second support member are both telescopic members or the first support member and the second support member are both non-telescopic members; and/or both the first fork drive and the second fork drive are telescoping members.
In these technical scheme, can set first support piece and second support piece to the extensible member, like this alright realize the height position control of crotch through the unified flexible of a plurality of support pieces, just so can utilize a plurality of support pieces to realize the height control and the front and back position control of crotch simultaneously, and then can simplify the structure of adjusting the subassembly. The first fork drive member and the second fork drive member are preferably telescopic members, so that the telescopic members can be used to drive the plurality of support members. Of course, in other aspects, the driving of the plurality of supports may be accomplished by other structures. Furthermore, the first support and the second support may also be non-telescopic members, such as a common bar construction, in which case the adjustment of the position of the fork may be achieved by rotation of only a number of supports.
Preferably, the first support member and the second support member are both hydraulic cylinders or electric cylinders, and the first fork carriage drive member and the second fork carriage drive member are both hydraulic cylinders or electric cylinders.
In these technical schemes, support piece and fork frame driving piece can be for pneumatic cylinder or electronic jar etc. can carry out the structure of automatic flexible, and support piece and fork frame driving piece can carry out automatic flexible this moment, and need not set up extra drive structure. And because the hydraulic cylinder can bear larger thrust, the support and the fork frame driving piece can also enhance the supporting force of the support and the fork frame driving piece by adopting the hydraulic cylinder, so that the fork frame can carry heavier objects. Meanwhile, as the space on the forklift is limited, the telescopic part can preferably adopt a multi-stage hydraulic cylinder.
Of course, the type of the telescopic member is not limited to the hydraulic cylinder and the electric cylinder, and the specific structure of the telescopic member can be set at will according to actual needs.
In a specific embodiment, when the first support member and the second support member are both telescopic members and the first fork driving member and the second fork driving member are both telescopic members, the first fork driving member may be vertically disposed between the plurality of first support members, that is, the plurality of first support members may be supported and driven from the middle portions of the plurality of support members. And when the first support and the second support are both non-telescopic pieces, the driving and the supporting of the supports can be realized from the back sides or the side parts of the first support and the second support.
In any of the above solutions, preferably, the fork comprises: the first mounting rods are supported and mounted on the plurality of first supporting pieces and are parallel to the vehicle body; the second mounting rods are supported and mounted on the second supporting pieces, are parallel to the first mounting rods and are parallel to the vehicle body; a first yoke mounted on the first mounting bar; a second yoke mounted on the second mounting bar.
In the technical schemes, the fork frame comprises a first mounting rod arranged on a plurality of first supporting pieces and a second mounting rod arranged on a plurality of second supporting pieces, so that the first mounting rod, the plurality of first supporting pieces and the first side of the vehicle body can form a similar parallel structure, the second mounting rod, the plurality of second supporting pieces and the second side of the vehicle body can form another similar parallel structure, and the fork frame can be driven to move back and forth and move up and down through the two similar parallel mechanisms on the two sides of the vehicle body. The first mounting rod of the structure can realize the connection of a plurality of first supporting pieces, the second mounting rod can realize the connection of a plurality of second supporting pieces, so that the fork frame and the plurality of supporting pieces can form a mechanism which can be interlocked mutually, namely, the plurality of supporting pieces, the first mounting rod and the second mounting rod of the fork frame and the vehicle body can form two parallel mechanisms at two sides of the vehicle body, thereby realizing the up-and-down and front-and-back translation of the fork frame through the rotation of the parallel mechanisms at two sides, and the structure can realize the adjustment of the front-and-back position and the height position of the bracket through the mutual traction between the plurality of supporting pieces and the two mounting rods, thereby on one hand, the whole structure of the product is simpler and better processed, thereby the cost can be reduced, on the other hand, the parallel mechanism formed by the supporting pieces and the two mounting rods can ensure that the driving between the driving assembly and the fork, thereby being capable of reducing the failure rate of the product. The first fork rod and the second fork rod are respectively connected with the first mounting rod and the second mounting rod, so that goods can be taken and placed under the action of the first mounting rod and the second mounting rod, for example, the two fork rods can directly extend into the bottoms of the goods, then the fork frame can be lifted, the goods can be taken out, or the fork frame is lowered to achieve unloading, namely, the first fork rod and the second fork rod are specifically used for being in contact with the goods, and the goods can be taken and carried.
Preferably, the first fork rod and the second fork rod are both L-shaped rods or L-like rods, and the structure can be connected with the mounting rod through the vertical edges of the L-shaped rods or the L-like rods, and can be contacted with goods through the transverse edges of the L-shaped rods or the L-like rods, so as to take, carry and the like the goods.
In another solution, the fork can also be arranged in a structure comprising one mounting plate and two fork arms.
Preferably, the number of the first support members is two, the number of the second support members is two, one end of the first fork driving member is mounted on the vehicle body, the other end of the first fork driving member is preferably disposed at a joint of the first support member and the fork, one end of the second fork driving member is mounted on the vehicle body, and the other end of the second fork driving member is preferably disposed at a joint of the second support member and the fork. Meanwhile, it may be preferable that two stabilizers are provided between the two first supports and the two second supports, and when the plurality of supports are connected with the first mounting bar and the second mounting bar of the fork, the two stabilizers, the two fork driving members and the two mounting bars and the four supports are preferably connected by ball joints or by universal joints.
Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a forklift truck according to an embodiment of the present invention;
FIG. 2 is another schematic illustration of a fork lift truck according to an embodiment of the present invention;
FIG. 3 is a further schematic illustration of a fork lift truck according to an embodiment of the present invention;
FIG. 4 is a further structural schematic view of a fork lift truck provided in accordance with an embodiment of the present invention;
FIG. 5 is an exploded schematic view of a fork lift truck provided in accordance with an embodiment of the present invention;
fig. 6 is a schematic structural view of a part of the structure of a forklift truck according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a forklift truck according to another embodiment of the present invention;
fig. 8 is another schematic structural view of a forklift truck according to another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:
1 body, 12 wheels, 2 slewer, 3 forks, 32 first mounting bar, 34 second mounting bar, 36 first fork bar, 38 second fork bar, 4 adjustment assembly, 42 support, 422 first support, 424 second support, 44 fork drive, 442 first fork drive, 444 second fork drive, 5 stabilizer, 52 segmented bar, 6 universal joint, 7 lift.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A forklift provided according to an embodiment of the present invention is described below with reference to fig. 1 to 8.
As shown in fig. 1 to 8, an embodiment of a first aspect of the present invention provides a forklift including a body 1, a swing device 2, and a fork 3, wherein wheels 12 are provided on the body 1; the turning device 2 is mounted on the upper surface of the vehicle body 1 to be rotatable within the upper surface of the vehicle body 1; the fork 3 is mounted on the body 1 to be movable in the front-rear direction of the body 1 and the height direction of the body 1, and can place goods on the fork 3 onto the swing device 2.
According to the embodiment of the invention, the forklift comprises a body 1, a slewing device 2 and a fork 3, wherein wheels 12 can be preferably arranged on the body 1, so that the movement of the body 1 can be realized through the wheels 12, and the fork 3 is used for realizing the taking of goods, and the fork can move back and forth and can move up and down, so that the fork 3 can be adjusted up and down and the position of the fork 3 can be adjusted back and forth according to the taking position and the unloading position, and the taking and unloading of the fork 3 can be more convenient. And slewer 2 can install on automobile body 1 with rotating, can rotate in the upper surface of automobile body 1, here the upper surface of automobile body 1 is the horizontal plane, after the goods that will transport through crotch 3 is placed slewer 2 on, just can drive the goods through slewer 2's rotation and rotate in the horizontal plane, thereby just can adjust the posture of placing of goods on automobile body 1, for example when the length of goods is longer, can rotate the length direction of article to the fore-and-aft direction along fork truck, so that can rationally adjust the focus of goods, with the stability of guaranteeing fork truck transportation, reduce the possibility of overturning, just so just can avoid the goods to place unreasonablely and lead to the emergence of the turnover condition on fork truck. In addition, when goods are taken or unloaded through the fork 3, the forklift can be driven to the unloading point or the vicinity of the unloading point, and then the front-back position and the height position of the fork 3 can be adjusted according to actual needs, so that the fork 3 can be adjusted to the optimal taking position or unloading position, and the fork 3 can directly take goods with different heights and different distances at the optimal taking position or unloading position. When the structure is used for taking and unloading goods around the forklift, the front and back positions of the fork frame 3 can be directly adjusted without adjusting the distance between the forklift and the unloading point or the goods taking point back and forth, so that the distance between the forklift and the unloading point or the goods taking point does not need to be calculated too accurately when the forklift is parked, namely, the forklift only needs to be parked around the goods, the requirement on the distance of the forklift during parking is reduced, the control precision requirement on the parking of the forklift is reduced, and the phenomenon that the distance between the forklift and the unloading point or the goods taking point needs to be adjusted back and forth for multiple times due to the fact that the parking distance is not proper can be avoided. In addition, the fork frame 3 can be extended into some narrow spaces by the arrangement, so that articles in some narrow places can be taken or unloaded to some narrower places, the occasions where the forklift can operate can be enlarged, and the operation in narrow areas can be realized.
Wherein the fork 3 is preferably detachably connected with the body 1, such that the fork 3 and the body 1 can be detached from each other, thereby enabling the fork 3 and the body 1 to be detached for independent maintenance and replacement. And the wheels 12 are preferably gimbaled wheels, which allows the truck to achieve 360 deg. steering.
In the above embodiment, preferably, the turning device 2 includes: a rotation driving device; one or more turntables, which can be rotatably mounted on the vehicle body 1 by means of a rotary drive.
In these embodiments, one or more turntables may be installed on the body 1, so that the center of gravity of the goods on the forklift can be adjusted by the rotation of the turntables, so as to ensure that the goods can be placed on the forklift more smoothly, thus ensuring the stability of the transportation process of the forklift and reducing the possibility of rollover. The rotary driving device is specifically used for realizing the rotary driving of the rotary table, and specifically, the rotary driving of the rotary table can be realized by a rotary driving device such as a motor, a belt or a ratchet mechanism, and the driving mode of the rotary table is not limited herein, and the rotary table can be rotated continuously or intermittently.
The rotary driving device may be embodied as a rotary motor, or may be another structure capable of rotating the rotary table in the prior art.
In the above-described embodiment, preferably, as shown in fig. 7 and 8, the forklift further includes: and the lifting device 7 is installed on the vehicle body 1, the rotating device 2 is rotatably installed on the lifting device 7, and the lifting device 7 can drive the rotating device 2 to move along the height direction of the vehicle body 1.
In the embodiments, a lifting device 7 can be further arranged on the vehicle body 1, so that the lifting device 7 can be used for driving the rotary disc, the rotary device 2 can rotate in the horizontal plane and lift in the height direction, the placing posture of the goods in the horizontal plane can be adjusted through the rotation of the rotary device 2 after the goods are placed on the rotary device 2, the gravity center of the goods can be adjusted, the height of the goods can be adjusted through the lifting of the lifting device 7, the goods can be adjusted to the optimal position and state for transportation, the stability of the forklift during the transportation of the goods can be further ensured, and the risk of the forklift overturning is reduced.
In the above embodiment, preferably, as shown in fig. 1 to 8, the forklift further includes: and an adjusting assembly 4 mounted on the vehicle body 1 and capable of driving the fork 3 to move in the front-rear direction of the vehicle body 1 and in the height direction of the vehicle body 1.
In such embodiments, an adjustment assembly 4 may be provided for the fork 3, so that the front-rear position and the up-down height position of the fork 3 can be automatically adjusted by the adjustment assembly 4. The adjusting assembly 4 here can be a telescopic mechanism, and can also be a vertical sliding structure. Of course, the adjustment assembly 4 may not be provided, but the fork 3 may be driven by an external force.
In the above embodiment, preferably, as shown in fig. 1 to 8, the adjusting assembly 4 includes: a plurality of support members 42 disposed in parallel with each other in a vertical plane of the forklift, and one ends of the plurality of support members 42 are rotatably connected to the vehicle body 1; a fork driving member 44 mounted on the vehicle body 1, connected to the plurality of supporting members 42, and capable of driving the plurality of supporting members 42 to rotate; wherein the fork 3 is mounted on the other end of the plurality of supports 42 and can move when the plurality of supports 42 rotate.
In these embodiments, the adjustment assembly 4 comprises a fork carriage drive 44 and a plurality of supports 42 in the vertical plane of the forklift, so that the fork carriage 3 is supported on the plurality of supports 42, and this configuration enables the fork carriage 3 to be movably mounted on the body 1 via the plurality of supports 42 on the one hand, and enables the plurality of supports 42 to be integrally connected via the fork carriage 3 on the other hand, so that the plurality of supports 42 can be more easily rotated in synchronism when the supports 42 are driven to move. And a plurality of supports 42 are rotatably installed on the vehicle body 1 in the vertical plane of the forklift so that the driving movement of the fork carriage 3 can be performed by the rotation of the plurality of supports 42 in the vertical plane of the forklift so that the fork carriage 3 can move up and down and back and forth, and the plurality of supports 42 are preferably arranged in parallel with each other so that a smooth support surface can be formed by the plurality of supports 42 so that the smooth support of the fork carriage 3 can be achieved. At the same time, the plurality of supports 42 are parallel to each other, which also makes it easier to synchronize the movement of the supports 42 under the influence of the fork drive 44, thus ensuring the stability of the goods on the fork 3 and preventing them from tilting or falling. The fork carriage driving member 44 is specifically used to realize the rotation driving of the plurality of supporting members 42, so that when the center of gravity or the height of the goods on the fork carriage 3 needs to be adjusted, the plurality of supporting members 42 can be driven to rotate synchronously by the fork carriage driving member 44, and thus the integral movement of the fork carriage 3 and the goods can be realized.
In any of the above embodiments, preferably, as shown in fig. 1 to 8, the plurality of support members 42 include a plurality of first support members 422 and a plurality of second support members 424, the plurality of first support members 422 are installed in parallel with each other and obliquely on the first side of the vehicle body 1, and the plurality of second support members 424 are installed in parallel with each other and obliquely on the second side of the vehicle body 1; the fork carriage drive 44 includes a first fork carriage drive 442 and a second fork carriage drive 444 mounted to the vehicle body 1, the first fork carriage drive 442 being connected to the plurality of first supports 422 for driving the plurality of first supports 422 to rotate, and the second fork carriage drive 444 being connected to the plurality of second supports 424 for driving the plurality of second supports 424 to rotate.
In the embodiments, a plurality of parallel and inclined first supports 422 are provided on a first side of the vehicle body 1, and a plurality of parallel and inclined second supports 424 are provided on a second side of the vehicle body 1, so that the plurality of first supports 422 and the plurality of second supports 424 form a support platform above the vehicle body 1, so that both sides of the fork 3 can be directly mounted on the support platform formed by the plurality of first supports 422 and the plurality of second supports 424, so that the support mounting of the fork 3 can be achieved by the plurality of supports 42, and this structure can mount the fork 3 on the plurality of supports 42, so that the position adjustment of the fork 3 can be achieved directly by the movement of the supports 42, so that the fork 3 can be supported and mounted above the vehicle body 1, so that the space above the vehicle body 1 can be reasonably utilized, and a space is reserved for mounting other parts on the vehicle body 1, furthermore, the fork 3 with such a structure is only restrained by the plurality of supporting members 42, so that the fork 3 is not easily blocked by other parts on the vehicle body 1, and the plurality of first supporting members 422 and the plurality of second supporting members 424 are obliquely and rotatably mounted on the vehicle body 1, so that the plurality of first supporting members 422 and the plurality of second supporting members 424 can be integrally rotated under the action of the fork driving member 44, and the fork 3 can be driven to move up and down back and forth. While the fork carriage driver 44 is used to drive the support member 42 to move, it is preferable that a first fork carriage driver 442 is provided at a first side of the vehicle body 1 corresponding to the plurality of first support members 422, so that the driving of the plurality of first support members 422 is achieved by the first fork carriage driver 442, and at the same time, a second fork carriage driver 444 is provided at a second side of the vehicle body 1 corresponding to the plurality of second support members 424, so that the driving of the plurality of second support members 424 is achieved by the second fork carriage driver 444, and this structure enables the plurality of first support members 422 and the plurality of second support members 424 to be driven independently from each other and to distribute driving force to both sides of the vehicle body 1, so that the distribution of driving force can be made more uniform, thereby ensuring stability of the fork carriage driver 44 in driving the movement of the fork carriage 3. Of course, in another embodiment, it is also possible to provide only one fork driving member 44 at the middle portion of the vehicle body 1 to simultaneously drive the plurality of first supporting members 422 and the plurality of second supporting members 424 by one fork driving member 44, and this structure can eliminate the use of one driving device, thereby simplifying the structure of the product.
Here, the fork driving member 44 may be embodied as a telescopic member capable of driving the supporting members 42 to rotate, so that the telescopic member can be extended and contracted to realize the integral driving of the plurality of supporting members 42.
Preferably, the first supporting members 422 are equal in length and located at the same height position, and the second supporting members 424 are equal in length and located at the same height position, so that the ends of the supporting members 42 away from the vehicle body 1 can form a supporting plane parallel to the vehicle body 1, and thus the fork 3 can be stably mounted on the supporting members 42.
In any of the above embodiments, preferably, as shown in fig. 1 to 6, the forklift further comprises at least one stabilizer 5, and the at least one stabilizer 5 is installed between the plurality of first supports 422 and the plurality of second supports 424 in parallel with each other.
In these embodiments, the stabilizer 5 may be disposed between the first supporting members 422 and the second supporting members 424, so that the first supporting members 422 and the second supporting members 424 on both sides of the vehicle body 1 can be connected to each other to form a whole, and the supporting members 42 on both sides of the vehicle body 1 can be restrained from moving each other, so that the supporting members 42 on both sides of the vehicle body 1 can move synchronously, thereby ensuring the stability of the fork carriage 3 during the movement process, and making up for the defect that the supporting members 42 on both sides of the vehicle body 1 cannot be completely synchronized due to the influence of structures and the like.
Among them, preferably, as shown in fig. 2, 5 and 6, the plurality of stabilizers 5 are each provided at an end of the plurality of first supports 422 and the plurality of second supports 424 remote from the vehicle body 1, that is, when the plurality of first supports 422 and the plurality of second supports 424 are provided in a vertical plane of the forklift, it may be preferable to connect the plurality of stabilizers 5 to upper ends of the plurality of first supports 422 and the plurality of second supports 424.
In any of the above embodiments, preferably, as shown in fig. 1 to 6, the stabilizer 5 is formed by connecting a plurality of segmented rods 52, or the stabilizer 5 is an integral rod (not shown).
In these embodiments, the stabilizer 5 may be preferably provided as a rod-shaped member, but the stabilizer 5 may be a hydraulic cylinder, an electric cylinder, or the like. Preferably, a plurality of segment rods 52 are butted against each other to form a stabilizer 5, so that a long rod member can be assembled by using small short rods, thereby making the processing of the stabilizer 5 more convenient and less costly. Specifically, the stabilizer 5 may be provided, for example, as a two-piece rod including a first segment rod 52 and a second segment rod 52. Of course, the stabilizer 5 may also be an integral rod in another solution.
Wherein, preferably, a plurality of the segmented rods 52 are connected through screw threads, which can make the connection between the segmented rods 52 more convenient and reliable.
In any of the above embodiments, preferably, as shown in fig. 1 to 6, the first support 422 and the second support 424 are both telescopic members or, as shown in fig. 7 and 8, the first support 422 and the second support 424 are both non-telescopic members; and/or as shown in fig. 1-8, the first and second fork drive members 442, 444 are both telescoping members.
In these embodiments, the first support 422 and the second support 424 may be provided as telescopic members, so that the height position adjustment of the yoke 3 can be realized by the unified extension and contraction of the plurality of supports 42, so that the height adjustment and the front-rear position adjustment of the yoke 3 can be simultaneously realized by the plurality of supports 42, and the structure of the adjustment assembly 4 can be simplified. The first and second fork drive members 442, 444 are also preferably telescoping members so that the telescoping of the telescoping members can be used to drive the plurality of support members 42. Of course, in other aspects, the driving of the plurality of supports 42 may be accomplished by other structures. Further, the first support 422 and the second support 424 may be non-telescopic members, such as a general rod structure, and in this case, the position adjustment of the yoke 3 may be achieved only by the rotation of the plurality of supports 42.
Wherein, preferably, the first and second supports 422 and 424 are both hydraulic or electric cylinders, and the first and second fork carriage drives 442 and 444 are both hydraulic or electric cylinders.
In such embodiments, the support member 42 and the fork carriage drive 44 may be of a structure capable of automatic extension and retraction, such as a hydraulic cylinder or an electric cylinder, in which case the support member 42 and the fork carriage drive 44 may be automatically extended and retracted without providing an additional driving structure. The use of hydraulic cylinders for the support member 42 and the fork carriage drive 44 also enhances the support of the support member 42 and the fork carriage drive 44, since the hydraulic cylinders can withstand a relatively large thrust, thus enabling the fork carriage 3 to carry heavy articles. Meanwhile, as the space on the forklift is limited, the telescopic part can preferably adopt a multi-stage hydraulic cylinder.
Of course, the type of the telescopic member is not limited to the hydraulic cylinder and the electric cylinder, and the specific structure of the telescopic member can be set at will according to actual needs.
In one embodiment, when the first support 422 and the second support 424 are both telescopic members, and the first fork driving member 442 and the second fork driving member 444 are both telescopic members, the first fork driving member 442 may be vertically disposed between the plurality of first support 422, so that the plurality of first support 422 may be supported and driven from the middle of the plurality of support members 42. And when the first and second supports 422 and 424 are both non-telescopic members, the driving and supporting of the support 42 may be achieved from the rear or side portions of the first and second supports 422 and 424.
In any of the above embodiments, preferably, as shown in fig. 1 to 8, the fork 3 includes: a first mounting bar 32 supported and mounted on the plurality of first supports 422 in parallel with the vehicle body 1; a second mounting rod 34 supported and mounted on the plurality of second supporting pieces 424 in parallel with the first mounting rod 32 and in parallel with the vehicle body 1; a first yoke 36 mounted on the first mounting bar 32; a second fork bar 38 is mounted on the second mounting bar 34.
In these embodiments, the fork 3 includes a first mounting rod 32 mounted on the first supports 422 and a second mounting rod 34 mounted on the second supports 424, such that the first mounting rod 32, the first supports 422 and the first side of the body 1 form a parallel-like structure, and the second mounting rod 34, the second supports 424 and the second side of the body 1 form another parallel-like structure, such that the fork 3 can be driven to move back and forth and up and down by the two parallel-like mechanisms on the two sides of the body 1. The first mounting rod 32 can realize the connection of a plurality of first supporting pieces 422 and the second mounting rod 34 can realize the connection of a plurality of second supporting pieces 424, so that the fork frame 3 and the plurality of supporting pieces 42 can form a mechanism which can be interlocked with each other, namely, the plurality of supporting pieces 42, the first mounting rod 32 and the second mounting rod 34 of the fork frame 3 and the vehicle body 1 can form two parallel mechanisms at two sides of the vehicle body 1, so that the fork frame 3 can be translated up and down and back and forth through the rotation of the parallel mechanisms at two sides, and the structure can realize the adjustment of the front and back position and the height position of the bracket through the mutual traction between the plurality of supporting pieces 42 and the two mounting rods, so that on one hand, the whole structure of the product is simpler and better processed, the cost can be reduced, on the other hand, the parallel mechanism formed by the supporting pieces 42 and the two mounting rods can ensure that the driving between the driving component and the fork frame 3 is more accurate and firm, thereby being capable of reducing the failure rate of the product. The first fork rod 36 and the second fork rod 38 are connected with the first mounting rod 32 and the second mounting rod 34 respectively, so that the goods can be taken and placed under the action of the first mounting rod 32 and the second mounting rod 34, for example, the two fork rods can be directly inserted into the bottom of the goods, then the fork 3 can be lifted to take out the goods, or the fork 3 can be lowered to discharge the goods, that is, the first fork rod 36 and the second fork rod 38 are specifically used for contacting with the goods to take out and carry the goods.
Preferably, as shown in fig. 1 to 6, the first fork rod 36 and the second fork rod 38 are both L-shaped rods or L-like rods, and the structure can be connected with the mounting rod through the vertical edges of the L-shaped rods or L-like rods, and can be contacted with the goods through the transverse edges of the L-shaped rods or L-like rods, so as to take, carry and the like the goods.
In another solution the fork 3 can also be arranged in a structure comprising one mounting plate and two fork arms.
Among them, preferably, as shown in fig. 1 to 6, the first support 422 is two in number, the second support 424 is two in number, one end of the first fork driving member 442 is mounted on the vehicle body 1, the other end of the first fork driving member 442 is preferably disposed at the junction of the first support 422 and the fork 3, one end of the second fork driving member 444 is mounted on the vehicle body 1, and the other end of the second fork driving member 444 is preferably disposed at the junction of the second support 424 and the fork 3. Meanwhile, it may be preferable that two stabilizers 5 are provided between the two first supports 422 and the two second supports 424, and when the plurality of supports 42 are connected with the first mounting bar 32 and the second mounting bar 34 of the fork 3, the two stabilizers 5, the two fork driver 44, and the two mounting bars and the four supports 42 are preferably connected by ball joints or by universal joints 6.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A forklift, comprising:
the vehicle body is provided with wheels;
a swing device mounted on an upper surface of the vehicle body to be rotatable in the upper surface of the vehicle body;
a fork mounted on the body, capable of moving in a front-rear direction of the body and a height direction of the body, and capable of placing goods on the fork onto the swing device;
an adjustment assembly mounted on the vehicle body and capable of driving the fork to move in a front-rear direction of the vehicle body and a height direction of the vehicle body;
the adjusting assembly comprises a plurality of supporting pieces, the supporting pieces are arranged in parallel in a vertical plane of the forklift, and one ends of the supporting pieces are rotatably connected with the forklift body;
the plurality of supporting members include a plurality of first supporting members and a plurality of second supporting members, the plurality of first supporting members are mutually parallel and obliquely installed on the first side of the vehicle body, and the plurality of second supporting members are mutually parallel and obliquely installed on the second side of the vehicle body;
the adjustment assembly further comprises: a fork carriage drive;
the fork carriage drive comprises a first fork carriage drive and a second fork carriage drive mounted on the body;
the first support piece and the second support piece are both hydraulic cylinders or electric cylinders, and the first fork frame driving piece and the second fork frame driving piece are both hydraulic cylinders or electric cylinders;
the fork driving piece is arranged on the vehicle body, is connected with the plurality of supporting pieces and can drive the plurality of supporting pieces to rotate;
wherein the fork is mounted on the other end of the plurality of the supports and is capable of moving when the plurality of the supports rotate.
2. The lift truck of claim 1, wherein the slewing device comprises:
a rotation driving device;
one or more rotary tables rotatably mounted on the vehicle body by the rotary drive device.
3. The lift truck of claim 2, further comprising:
the lifting device is arranged on the vehicle body, the rotating device can be rotatably arranged on the lifting device, and the lifting device can drive the rotating device to move along the height direction of the vehicle body.
4. The lift truck of claim 1,
the first fork driving piece is connected with the first supporting pieces and used for driving the first supporting pieces to rotate, and the second fork driving piece is connected with the second supporting pieces and used for driving the second supporting pieces to rotate.
5. The lift truck of claim 4, further comprising:
at least one stabilizer mounted in parallel with each other between the plurality of first supports and the plurality of second supports.
6. Forklift according to claim 4,
the first supporting piece and the second supporting piece are both telescopic pieces or the first supporting piece and the second supporting piece are both non-telescopic pieces; and/or
The first fork drive member and the second fork drive member are both telescoping members.
7. The lift truck of claim 4, wherein the fork carriage comprises:
the first mounting rods are supported and mounted on the plurality of first supporting pieces and are parallel to the vehicle body;
the second mounting rods are supported and mounted on the second supporting pieces, are parallel to the first mounting rods and are parallel to the vehicle body;
a first yoke mounted on the first mounting bar;
a second yoke mounted on the second mounting bar.
Priority Applications (2)
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CN201910219062.4A CN109879211B (en) | 2019-03-21 | 2019-03-21 | Forklift truck |
PCT/CN2019/099615 WO2020186686A1 (en) | 2019-03-21 | 2019-08-07 | Forklift |
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CN201910219062.4A CN109879211B (en) | 2019-03-21 | 2019-03-21 | Forklift truck |
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CN109879211B true CN109879211B (en) | 2020-11-17 |
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WO (1) | WO2020186686A1 (en) |
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CN109879211B (en) * | 2019-03-21 | 2020-11-17 | 广东博智林机器人有限公司 | Forklift truck |
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Publication number | Priority date | Publication date | Assignee | Title |
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US2990072A (en) * | 1956-06-08 | 1961-06-27 | Clark Equipment Co | Material handling mechanism |
SE426937B (en) * | 1981-07-03 | 1983-02-21 | Knut Jacobsson | PROCEDURE AND DEVICE FOR ASTADCOM REVERSING A LOAD OBJECT ON A MAIN VERTICAL AXLE |
CN2709411Y (en) * | 2004-05-20 | 2005-07-13 | 刘铁儿 | Lift mechanism of forklife |
CN200985267Y (en) * | 2006-11-14 | 2007-12-05 | 张放 | All position stacking machine |
CN201670689U (en) * | 2010-04-30 | 2010-12-15 | 芜湖瑞创投资股份有限公司 | Novel forklift structure |
CN204774875U (en) * | 2015-07-27 | 2015-11-18 | 湖南汽车工程职业学院 | Electric lift car |
CN106672840A (en) * | 2016-12-14 | 2017-05-17 | 国网内蒙古东部电力有限公司检修分公司 | Simple transformer assembling and disassembling rack |
CN108466975A (en) * | 2018-04-16 | 2018-08-31 | 澳腾慧达(北京)科技有限公司 | Multi-functional lifting carrying implement |
CN109879211B (en) * | 2019-03-21 | 2020-11-17 | 广东博智林机器人有限公司 | Forklift truck |
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2019
- 2019-03-21 CN CN201910219062.4A patent/CN109879211B/en active Active
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