CN110155912A - A kind of fork truck - Google Patents
A kind of fork truck Download PDFInfo
- Publication number
- CN110155912A CN110155912A CN201910575819.3A CN201910575819A CN110155912A CN 110155912 A CN110155912 A CN 110155912A CN 201910575819 A CN201910575819 A CN 201910575819A CN 110155912 A CN110155912 A CN 110155912A
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- Prior art keywords
- frame
- sliding
- assembly
- plate
- mounting
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- 230000000712 assembly Effects 0.000 claims description 28
- 238000000429 assembly Methods 0.000 claims description 28
- 230000035939 shock Effects 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000013016 damping Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07513—Details concerning the chassis
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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)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of fork trucks, including vehicle frame, lifting door frame and vehicle bridge.The vehicle bridge of fork truck can adjust the wheelbase and center of gravity of fork truck in this programme, and the lifting door frame of fork truck is connect by traction component with motor vehicle.Specifically, carriage assembly is located at the second end of slide assembly when transporting goods, the wheelbase longest and center of gravity of fork truck are minimum at this time, and lifting door frame is erected on vehicle frame by door frame runner assembly, is loaded and unloaded and is carried to cargo；When with vehicle operation, carriage assembly is located at the first end of slide assembly, at this time the wheelbase minimum and center of gravity highest of fork truck, and the traction component in lifting door frame is connect with motor vehicle at this time, lifting door frame is folded on vehicle frame by door frame runner assembly, and motor vehicle traction forklift is with Che Zuoye.
Description
Technical Field
The invention relates to the technical field of forklifts, in particular to a forklift.
Background
With the development of the logistics industry, the requirement for transferring goods is higher and higher so as to improve the logistics efficiency. The link of loading and unloading goods in the logistics industry is the key of safe and efficient logistics transportation.
Generally, a forklift is used for loading and unloading goods, and has the characteristics of good reliability, high operation efficiency and large bearing capacity, but the traditional forklift has poor maneuvering characteristics, is only suitable for loading, unloading and carrying operation within a certain range, cannot carry out long-distance carrying transportation, and cannot carry out motor car operation randomly.
Therefore, how to improve the maneuvering performance of the forklift, enable the forklift to carry and transport over a long distance, and enable the forklift to randomly move a motor car becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a forklift to improve the maneuvering performance of the forklift, so that the forklift can carry and transport over a long distance and can randomly move a motor car.
In order to achieve the purpose, the invention provides the following technical scheme:
a forklift, comprising:
a frame;
the lower end of the hoisting portal is connected with the frame through a portal rotating assembly, and the upper end of the hoisting portal is provided with a traction assembly capable of being connected with a motor vehicle;
the axle, the axle is installed at the lower terminal surface of frame, the axle includes:
the tire mounting device comprises a bridge pipe, wherein tires can be mounted at two ends of the bridge pipe;
the sliding chute assemblies are fixed on the frame, the number of the sliding chute assemblies is two, the two sliding chute assemblies are oppositely arranged on the frame, the two sliding chute assemblies are arranged along the axial direction of the bridge pipe, and the inclination direction of the sliding chute assemblies extends from the lower part of the front end of the frame to the upper part of the rear end of the frame;
the sliding frame assembly is provided with the bridge pipe, the length extending direction of the sliding frame assembly is consistent with the axis direction of the bridge pipe, the sliding frame assembly slides along the sliding groove assembly through a first telescopic cylinder, and the sliding frame assembly is fixed on the sliding groove assembly through a locking assembly.
Preferably, in the forklift described above, the mast turning assembly includes:
the mounting table is fixed on the frame;
the two second telescopic cylinders are symmetrically distributed on two sides of the mounting table;
the rotary frame is obliquely arranged relative to the hoisting portal frame, the oblique direction of the rotary frame is consistent with the folding direction of the hoisting portal frame, the upper end of the rotary frame is fixedly connected with the lower end of the hoisting portal frame, the lower end of the rotary frame is hinged to the piston rod of the second telescopic cylinder, the lower end of the rotary frame can abut against the frame, and the rotary frame is hinged to the upper end of the side wall of the mounting table.
Preferably, in the forklift described above, the revolving frame includes:
the end part of the supporting rod is hinged with a piston rod of the second telescopic cylinder;
the first mounting plate is fixedly connected with the lower end of the hoisting portal and is parallel to the supporting rod;
l type mounting panel, the number of L type mounting panel is a plurality of and evenly distributed is in the length direction's of first mounting panel both ends, L type mounting panel with the length extending direction of first mounting panel is perpendicular, L type mounting panel include with first mounting panel fixed connection's second mounting panel and for the third mounting panel that the slope of second mounting panel was arranged, the incline direction of third mounting panel with the folding direction of jack-up portal is unanimous, keeping away from of second mounting panel one side of first mounting panel with the lateral wall upper end of mount table is articulated, the lower extreme of third mounting panel be provided with bracing piece complex mounting hole.
Preferably, in the forklift described above, the gantry includes:
the lower end of the track is fixedly connected with the upper end of the rotating frame, and the upper end of the track is provided with the traction assembly;
the sliding frame is mounted on the track in a sliding mode, the sliding frame slides back and forth along the track through a third telescopic cylinder, and a roller matched with the track is arranged on the sliding frame;
and one end of the suspension arm is hinged with the lower end of the sliding frame, the other end of the suspension arm is pulled up and down through a fourth telescopic cylinder, and a pull rope for lifting goods is arranged on the suspension arm.
Preferably, in the forklift described above, the towing assembly includes:
one end of the hinged plate is hinged with the upper end of the hoisting portal frame;
and one end of the hinge rod is hinged with the other end of the hinge plate, and the other end of the hinge rod is hinged with the motor vehicle.
Preferably, in the forklift, the axle further includes two shock absorbing assemblies, the two shock absorbing assemblies are respectively mounted at two ends of the axle tube in the axial direction, the shock absorbing assemblies are hinged to the carriage assembly,
the shock-absorbing assembly includes:
the mounting block is provided with a mounting hole matched with the bridge pipe;
one end of the shock absorber is hinged with the mounting block, and the other end of the shock absorber is hinged with the carriage assembly;
the middle part of the plate spring is fixed on the mounting block through a U-shaped bolt, the length extending direction of the plate spring is perpendicular to the bridge pipe, and two ends of the plate spring in the length direction are hinged to the sliding frame component.
Preferably, in the forklift described above, the carriage assembly includes:
the two ends of the first sliding plate in the length direction are respectively provided with a first front roller and a first rear roller which are matched with the sliding chute assembly;
the second sliding plate is parallel to the first sliding plate, and a second front roller and a second rear roller which are matched with the chute assembly are arranged at two ends of the second sliding plate in the length direction;
the two ends of the first connecting plate in the length direction are respectively and vertically connected with the upper ends of the middle parts of the first sliding plate and the second sliding plate;
the second connecting plate is parallel to the first connecting plate, two ends of the second connecting plate in the length direction are respectively and vertically connected with the lower ends of the middle parts of the first sliding plate and the second sliding plate, and the second connecting plate or the first connecting plate is hinged with a piston rod of the first telescopic cylinder.
Preferably, in the forklift described above, the chute assembly includes:
a first runner, the first runner cooperating with the first front roller;
the second sliding groove is opposite to and parallel to the first sliding groove, and the second sliding groove is matched with the second front roller;
the third sliding groove is positioned below the first sliding groove, is parallel to the first sliding groove and is positioned on the same side of the frame, and the third sliding groove is matched with the first rear roller;
the fourth spout, the fourth spout be located the below of second spout, with the second spout is parallel and is located the homonymy of frame, the fourth spout with the cooperation of second rear roller, the incline direction of fourth spout is certainly extend to in the front end below of frame direction the rear end top of frame.
Preferably, in the forklift described above, the locking assembly includes:
positioning pins;
a first positioning hole is formed in the upper ends of the first sliding chute and the second sliding chute;
a second positioning hole formed at the lower end of the third sliding chute and the lower end of the fourth sliding chute;
and a third positioning hole which is arranged on the first sliding plate and the second sliding plate and can be matched with the first positioning hole and the second positioning hole, and the positioning pin can be inserted into the third positioning hole.
Preferably, in the forklift, the forklift further comprises a fastening component arranged on the frame and used for fastening the bridge pipe at the upper end of the third sliding chute,
the clamping and fixing component comprises:
the upper clamping block is fixed on the frame;
and the lower clamping block is fixed on the frame and positioned at the lower end of the upper clamping block, and one end of the lower clamping block, which is close to the upper clamping block, is an inclined surface.
According to the technical scheme, the forklift provided by the invention comprises a frame, a lifting portal frame and an axle. The upper end surface of the frame is provided with a hoisting portal frame, and the lower end surface of the frame is provided with an axle; the lower end of the hoisting portal is connected with the frame through the portal rotating assembly, and the upper end of the hoisting portal is provided with a traction assembly which can be connected with a motor vehicle; the axle includes a tube, a chute assembly and a carriage assembly. Fork truck's axle can adjust fork truck's wheel base and focus in this scheme, and fork truck's jack-up portal is connected with the motor vehicle through pulling the subassembly. Specifically, when the goods are transported, the sliding frame assembly is positioned at the second end of the sliding chute assembly, the wheelbase of the forklift is longest and the center of gravity is lowest, and the hoisting portal frame is erected on the frame through the portal frame rotating assembly to load, unload and transport the goods; during the vehicle-mounted operation, the sliding frame assembly is located at the first end of the sliding groove assembly, the wheel base of the forklift is minimum and the gravity center is highest at the moment, the traction assembly on the lifting portal frame is connected with the motor vehicle at the moment, the lifting portal frame is folded on the frame through the portal frame rotating assembly, and the motor vehicle pulls the forklift to perform the vehicle-mounted operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a forklift truck carrying a motor vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a forklift truck according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a forklift towed by a motor vehicle according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the travel limit of the forklift truck according to the embodiment of the present invention;
FIG. 5 is a schematic view of a structure of an axle and frame combination according to an embodiment of the present invention;
FIG. 6 is a front view of the engagement of the chute assembly with the vehicle frame provided by the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an axle provided in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural view of a carriage assembly provided by an embodiment of the present invention;
FIG. 9 is a schematic structural view of a shock assembly provided in accordance with an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a chute assembly according to an embodiment of the invention.
Wherein,
1. the crane comprises a frame, 2, a hoisting portal frame, 21, a track, 22, a sliding frame, 23, a suspension arm, 3, a portal frame rotating assembly, 31, a mounting table, 32, a second telescopic cylinder, 33, a rotating frame, 331, a support rod, 332, a first mounting plate, 333, an L-shaped mounting plate, 4, a traction assembly, 41, a hinge plate, 42, a hinge rod, 5, a bridge pipe, 6, a sliding groove assembly, 61, a first sliding groove, 62, a second sliding groove, 63, a third sliding groove, 64, a fourth sliding groove, 7, a sliding frame assembly, 71, a first sliding plate, 72, a second sliding plate, 73, a first front roller, 74, a first rear roller, 75, a second front roller, 76, a second rear roller, 77, a first connecting plate, 78, a second connecting plate, 8, a clamping assembly, 81, an upper clamping block, 82, a lower clamping block, 9, a damping assembly, 91, a mounting block, 92, a plate spring, 93 and a shock absorber.
Detailed Description
The invention discloses a forklift, which aims to improve the maneuvering performance of the forklift, enable the forklift to carry and transport in a long distance and carry a motor car randomly.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a forklift, which comprises a frame 1, a hoisting portal frame 2 and an axle.
The upper end surface of the frame 1 is provided with a hoisting portal frame 2, and the lower end surface of the frame 1 is provided with an axle.
The lower end of the hoisting portal frame 2 is connected with the frame 1 through a portal frame rotating assembly 3, and the upper end of the hoisting portal frame 2 is provided with a traction assembly 4 which can be connected with a motor vehicle.
The vehicle axle includes a bridge tube 5, a chute assembly 6 and a carriage assembly 7.
Tires can be installed at two ends of the bridge pipe 5, and a sliding chute assembly 6 and a sliding frame assembly 7 are respectively arranged at two ends of the bridge pipe 5;
the sliding chute assemblies 6 are fixed on the frame 1, the number of the sliding chute assemblies 6 is two, the two sliding chute assemblies 6 are oppositely arranged on the frame 1, specifically, the sliding chute assemblies 6 are arranged below the frame 1, the two sliding chute assemblies 6 are arranged along the axis direction of the bridge pipe 5, the inclination direction of the sliding chute assemblies 6 extends from the lower part of the front end of the frame 1 to the upper part of the rear end of the frame 1, the end of the sliding chute assembly 6 positioned below the front end of the frame 1 is named as a first end, and the end of the sliding chute assembly 6 positioned above the rear end of the frame 1 is named as a second end;
the bridge pipe 5 is installed on the sliding frame assembly 7, the length extending direction of the sliding frame assembly 7 is consistent with the axial direction of the bridge pipe 5, the sliding frame assembly 7 slides along the sliding groove assembly 6 through the first telescopic cylinder, and the sliding frame assembly 7 can be fixed on the sliding groove assembly 6 through the locking assembly. Specifically, the cylinder body of the first telescopic cylinder can be hinged with the frame 1, the piston rod of the first telescopic cylinder is hinged with the carriage assembly 7, and the hinging requirement of the piston rod of the first telescopic cylinder and which part of the structure of the carriage assembly 7 is determined according to the specific structure of the carriage assembly 7.
The lower end of the hoisting portal frame 2 is provided with a portal frame rotating assembly 3, and the hoisting portal frame 2 can be folded or erected on the frame 1 through the portal frame rotating assembly 3.
The upper end of the hoisting portal frame 2 is provided with a traction assembly 4, and the traction assembly 4 realizes the connection of a forklift and a motor vehicle, so that the forklift can operate at the same time as a motor car.
When the forklift truck is in operation, the carriage assembly 7 drives the axle tube 5 to slide on the sliding chute assembly 6, when the carriage assembly 7 is positioned at the first end of the sliding chute assembly 6, the wheel base between the front axle and the rear axle of the forklift truck is minimum, when the carriage assembly 7 is positioned at the second end of the sliding chute assembly 6, the wheel base between the front axle and the rear axle of the forklift truck is maximum, the carriage assembly 7 slides along the sliding chute assembly 6 to adjust the distance between the front axle and the rear axle of the forklift truck, namely, the wheel base of the forklift truck is adjusted, the turning radius of the forklift truck is changed, in addition, the inclination direction of the sliding chute assembly 6 extends from the lower part of the front end of the forklift truck 1 to the upper part of the rear end of the forklift truck 1, namely, the vertical heights of the first end and the second end of the sliding chute assembly 6 are different, when the carriage assembly 7 is positioned at the first end of the sliding chute assembly 6, the, and during the altitude variation of axle, fork truck's focus also can change, and is concrete, during the transport goods, carriage assembly 7 is located the second end of spout subassembly 6, and fork truck's wheel base is the longest and fork truck's focus is minimum, and during the motor car operation at random, carriage assembly 7 is located the first end of spout subassembly 6, and fork truck's wheel base is the shortest and fork truck's center is the highest.
The axle may be a forklift front axle (also called a drive axle) or a forklift rear axle (also called a steer axle).
In a specific embodiment of the scheme, the rear axle is an axle provided by the scheme, and the front axle adopts an axle commonly used by a forklift in the prior art, namely the axle base of the forklift and the gravity center of the forklift are changed through the rear axle;
in another specific embodiment of the scheme, the front axle is an axle provided by the scheme, and the rear axle adopts an axle commonly used in the prior art, namely the axle base of the forklift and the gravity center of the forklift are changed through the front axle;
in the third embodiment of this scheme, front axle and rear axle are the axle that this scheme provided, can all change fork truck's wheel base and fork truck's focus through front axle or rear axle promptly, and in actual work, can only utilize front axle to change fork truck's wheel base and fork truck's focus as required, also can only utilize rear axle to change fork truck's wheel base and fork truck's focus as required, perhaps adjusts front axle and rear axle relatively to the latter simultaneously as required in order to change fork truck's wheel base and fork truck's focus.
The axle that this scheme provided can adjust fork truck's wheel base and focus, and is the wheel base and the focus of adjusting fork truck according to fork truck's use scene, has effectively improved fork truck's mobility ability for long distance transport transportation can be done to fork truck, and fork truck passes through traction assembly 4 and is connected with the motor vehicle moreover, realizes the random motor car operation of fork truck.
During vehicle-mounted operation, the sliding frame assembly 7 is positioned at the first end of the sliding chute assembly 6, the hoisting gantry 2 is folded on the frame 1 through the gantry rotating assembly 3, the traction assembly 4 on the hoisting gantry 2 is connected with a motor vehicle, and the motor vehicle pulls the forklift to perform vehicle-mounted operation; when the goods are transported, the sliding frame assembly 7 is positioned at the second end of the sliding chute assembly 6, and the hoisting gantry 2 is erected on the frame 1 through the gantry rotating assembly 3 to load, unload and transport the goods.
The forklift provided by the scheme can randomly pull the motor car without loading the chassis of the motor car, so that the transformation of the motor car is reduced, and the cost of random motor car operation of the forklift is reduced.
In one embodiment of the present disclosure, the gantry rotating assembly 3 includes: a mounting table 31, a second telescopic cylinder 32 and a rotating frame 33.
The mounting table 31 is fixed on the frame 1 to realize the connection between the gantry rotating assembly 3 and the frame 1, the mounting table 31 provides a fixed foundation for the mounting of the gantry rotating assembly 3 on the frame 1, in one specific embodiment of the scheme, the mounting table 31 is welded with the frame 1, or in another specific embodiment of the scheme, the mounting table 31 is bolted with the frame 1;
the second telescopic cylinder 32 provides power for the rotation of the rotating frame 33, specifically, the cylinder body of the second telescopic cylinder 32 is hinged with the frame 1, the piston rod of the second telescopic cylinder 32 is hinged with the rotating frame 33, the number of the second telescopic cylinders 32 is two, the two second telescopic cylinders are symmetrically distributed on two sides of the mounting table 31, and the two second telescopic cylinders can effectively act on the rotating frame 33;
the rotating frame 33 is obliquely arranged relative to the hoisting portal 2, the oblique direction of the rotating frame 33 is consistent with the folding direction of the hoisting portal 2, the upper end of the rotating frame 33 is fixedly connected with the lower end of the hoisting portal 2, the lower end of the rotating frame 33 is hinged with a piston rod of the second telescopic cylinder 32, the lower end of the rotating frame 33 can abut against the frame 1, and the rotating frame 33 is hinged with the upper end of the side wall of the mounting table 31.
As shown in fig. 1, the width of the rotating frame 33 is larger than the width of the mounting table 31, and both sides of the rotating frame 33 in the width direction are hinged to both side walls of the mounting table 31 in the width direction, respectively.
The piston rod of the second telescopic cylinder 32 extends out to push the lower end of the rotating frame 33 to rotate around a hinged point of the rotating frame 33 and the mounting table 31, the rotating frame 33 drives the lifting portal frame 2 to rotate towards the direction of the upper surface of the frame 1, and after the piston rod of the second telescopic cylinder 32 extends out to a first preset position, the lifting portal frame 2 is completely attached to the upper surface of the frame 1, so that the lifting portal frame 2 is folded on the frame 1; the piston rod of the second telescopic cylinder 32 retracts, the lower end of the rotating frame 33 is pulled to rotate around a hinged point of the rotating frame 33 and the mounting platform 31, the rotating frame 33 drives the hoisting portal frame 2 to rotate towards the direction far away from the upper surface of the frame 1, after the piston rod of the second telescopic cylinder 32 retracts to a second preset position, the hoisting portal frame 2 is perpendicular to the upper surface of the frame 1, the hoisting portal frame 2 is erected, the state is the working state of hoisting goods on the hoisting portal frame 2, and at the moment, the lower end of the rotating frame 33 abuts against the upper end surface of the frame 1. As shown in fig. 4, the black filled triangles in fig. 4 represent fixed hinge points and the open triangles represent movable hinge points.
In the forklift provided by the scheme, after the piston rod of the second telescopic cylinder 32 extends to the first preset position, the piston rod of the second telescopic cylinder 32 continues to extend, the lower end of the rotating frame 33 is pushed upwards, the rotating frame 33 continues to drive the hoisting gantry 2 to rotate downwards, because the upper end of the hoisting portal frame 2 is connected with the motor vehicle through the traction component 4, the front end of the hoisting portal frame 2 can not move downwards continuously, the acting force of the piston rod of the second telescopic cylinder 32 on the rotating frame 33 can act on the vehicle frame 1 through the cylinder body of the second telescopic cylinder 32, so that the rear end of the vehicle frame 1 rotates downwards around the rear axle of the vehicle frame 1, the front end of the vehicle frame 1 also rotates upwards around the rear axle of the vehicle frame 1, the front axle of the vehicle frame 1 is lifted, under the action of stroke limit of the second telescopic cylinder 32, the forklift keeps the front axle lifted, only the rear axle lands, and the motor vehicle pulls the forklift to move along with the vehicle.
The fork truck that this scheme provided, 2 logical portal rotating assembly 3 of jack-up portal of fork truck realize folding or erectting on frame 1. After the hoisting portal frame 2 is folded on the frame 1, the hoisting portal frame 2 is connected with a motor vehicle through the traction assembly 4 arranged at the upper end of the hoisting portal frame, after the forklift is connected with the motor vehicle, the hoisting portal frame 2 is continuously folded under the action of the portal frame rotating assembly 3 until a front axle of the forklift is lifted, only a rear axle of the forklift is in contact with the ground, and the difficulty of the motor vehicle in traction of the forklift is reduced.
In one embodiment of the present disclosure, the rotating frame 33 includes a support rod 331, a first mounting plate 332, and an L-shaped mounting plate 333.
As shown in fig. 1, the present embodiment provides a rectangular frame as the rotating frame 33.
Specifically, the end of the supporting rod 331 is hinged to the piston rod of the second telescopic cylinder 32, and is a lower frame of a rectangular frame;
the first mounting plate 332 is fixedly connected with the lower end of the hoisting gantry 2, and the first mounting plate 332 is parallel to the support rod 331 and is an upper frame of a rectangular frame;
the number of the L-shaped mounting plates 333 is plural and is uniformly distributed at both ends in the longitudinal direction of the first mounting plate 332, the L-shaped mounting plates 333 positioned at both ends in the longitudinal direction of the first mounting plate 332 are left and right frames of a rectangular frame,
the L-shaped mounting plate 333 is perpendicular to the length extending direction of the first mounting plate 332, specifically, the L-shaped mounting plate 333 includes a second mounting plate fixedly connected to the first mounting plate 332 and a third mounting plate arranged obliquely relative to the second mounting plate, an included angle between the second mounting plate and the third mounting plate is an obtuse angle, the oblique direction of the third mounting plate is consistent with the folding direction of the gantry 2, one side of the second mounting plate, which is far away from the first mounting plate 332, is hinged to the upper end of the side wall of the mounting table 31, and the lower end of the third mounting plate is provided with a mounting hole matched with the support rod 331. The end of the support rod 331 is engaged with the mounting hole of the third mounting plate and then hinged to the piston rod of the second telescopic cylinder 32.
The support rod 331 is fixedly connected with the L-shaped mounting plate 333, and the first mounting plate 332 is fixedly connected with the L-shaped mounting plate 333 to form a rigid rotating frame 33 with a determined shape.
In a specific embodiment of the present disclosure, the number of the L-shaped mounting plates 333 is four, and the L-shaped mounting plates 333 are uniformly distributed at two ends of the first mounting plate 332 in the length direction, that is, two L-shaped mounting plates 333 arranged in parallel are disposed at the end of the first mounting plate 332, and the two L-shaped mounting plates 333 located at the same end of the first mounting plate 332 are connected by a connecting plate.
The provision of two or more L-shaped mounting plates 333 at the end of the first mounting plate 332 serves to enhance the strength of use of the rotating frame 33.
In a particular embodiment of the solution, the gantry 2 comprises a rail 21, a carriage 22 and a boom 23.
The lower end of the track 21 is fixedly connected with the upper end of the rotating frame 33, the upper end of the track 21 is provided with the traction assembly 4, as shown in fig. 2, the track 21 comprises two guide rails which are arranged in parallel, and the two guide rails are fixedly connected to form a rectangular track 21;
the carriage 22 is a rectangular carriage, the rectangular carriage is sleeved on the rail 21 and is in sliding fit with the rail 21, the carriage 22 slides back and forth along the rail 21 through a third telescopic cylinder, a roller matched with the rail 21 is arranged on the carriage 22, as shown in fig. 1, a cylinder body of the third telescopic cylinder is fixedly connected with the lower end of the rail 21, a piston rod of the third telescopic cylinder is fixedly connected with the carriage 22, and the height of the suspension arm 23 is adjusted through the extension of the piston rod of the third telescopic cylinder, so that the lifting of goods with different heights is realized;
one end of the suspension arm 23 is hinged with the lower end of the sliding frame 22, the other end of the suspension arm 23 is connected with the sliding frame 22 through a fourth telescopic cylinder, and a pull rope for lifting goods is arranged on the suspension arm 23.
Specifically, a piston rod of the fourth telescopic cylinder is always in a stretching state, the piston rod of the fourth telescopic cylinder stretches out to a first preset length, the boom 23 is in a horizontal state, the piston rod of the fourth telescopic cylinder continues to stretch out to a second preset length, and the boom 23 is attached to the rail 21, so that the boom 23 is folded. The second preset length represents a length value greater than the length value represented by the first preset length.
When the boom 23 is folded on the track 21, the piston rod of the third telescopic cylinder extends out to lift the carriage 22 to the highest position of the track 21.
As shown in fig. 2, the frame 1 is provided with a receiving groove for receiving the carriage 22. After the lifting portal frame 2 and the frame 1 are folded, the sliding frame 22 of the lifting portal frame 2 can be positioned in the accommodating groove of the frame 1, and the volume of the lifting portal frame 2 and the folded frame 1 is reduced to a certain extent. Preferably, the receiving groove is integrally formed with the frame 1.
In one embodiment of the present solution, the pulling assembly 4 comprises a hinge plate 41 and a hinge rod 42.
As shown in fig. 1 to 4, the number of the hinge plates 41 is two, the two hinge plates 41 are arranged in parallel, the two hinge plates 41 are connected by a hinge shaft, one hinge shaft is hinged with the upper end of the hoisting portal frame 2, and the other hinge shaft is hinged with the hinge rod 42;
one end of the hinge lever 42 is hinged to the above-mentioned other hinge shaft of the hinge plate 41, and the other end of the hinge lever 42 is hinged to the motor vehicle. As shown in fig. 1 to 4, the hinge lever 42 includes a mounting block hinged to the other hinge shaft of the hinge plate 41, a mounting lever fixedly connected to the mounting block, and a ball provided at an end of the mounting lever, the ball being hinged to the motor vehicle.
In order to further improve the traction stability of the forklift truck along with the motor train, the forklift truck provided by the scheme further comprises a locking device for locking the lifting portal frame 2 on the frame 1.
After the front axle of the forklift is lifted, the lifting gantry 2 is locked on the frame 1 through the locking device, so that the lifting gantry 2 is prevented from shaking during vehicle-mounted motion, the locking of the first telescopic cylinder is assisted, and the damage to the first telescopic cylinder is reduced.
Specifically, the first telescopic cylinder, the second telescopic cylinder, the third telescopic cylinder and the fourth telescopic cylinder are all hydraulic cylinders.
In one embodiment of the present solution, the locking device comprises a locking pin, a first locking plate and a second locking plate.
The first locking plate is arranged at the upper end of the hoisting portal frame 2, as shown in fig. 1-4, the first locking plate is positioned between the traction assembly 4 and the carriage 22 of the hoisting portal frame 2, and a first pin hole matched with the locking pin is formed in the first locking plate;
the second locking plate is arranged at the front end of the frame 1, a second pin hole matched with the first pin hole is formed in the second locking plate, the second pin hole is formed in the horizontal direction, and the corresponding first pin hole is also formed in the horizontal direction.
After the first pin hole of the first locking plate is matched with the second pin hole of the second locking plate, the locking pin is inserted into the first pin hole and the second pin hole, and the locking of the hoisting portal frame 2 on the frame 1 is realized.
In order to further optimize above-mentioned technical scheme, the axle that provides of this scheme still includes damper 7, and damper 7 can alleviate the ground vibration when fork truck vehicle-mounted goes, reduces the damage to fork truck.
Specifically, the number of the shock absorption assemblies 9 is two, the two shock absorption assemblies 9 are respectively installed at two ends of the axle tube 5 in the axial direction, the shock absorption assemblies 9 are hinged to the carriage assembly 7, and as shown in fig. 7, the shock absorption assemblies 9 are located between the axle tube 5 and the carriage assembly 7.
In one embodiment of the present solution, the shock absorbing assembly 9 includes a mounting block 91, a shock absorber 93 and a plate spring 92.
Specifically, the mounting block 91 is provided with a mounting hole matched with the bridge pipe 5;
the middle part of the plate spring 92 is fixed on the mounting block 91 through a U-shaped bolt, the length extending direction of the plate spring 92 is perpendicular to the axial direction of the bridge pipe 5, two ends of the plate spring 92 in the length direction are hinged with the carriage assembly 7, namely the plate spring 92 is hinged with the wide edge of the carriage assembly 7, the plate spring 92 and the carriage assembly 7 are provided with two hinge points, preferably, the length of the plate spring 92 is greater than the width of the carriage assembly 7, so that the connecting difficulty of the plate spring 92 and the carriage assembly 7 is reduced;
one end of the shock absorber 93 is hinged to the mounting block 91 and the other end of the shock absorber 93 is hinged to the carriage assembly 7.
In one particular embodiment of the present solution, the carriage assembly 7 includes a first slide plate 71, a second slide plate 72, a first connecting plate 77 and a second connecting plate 78.
Specifically, a first front roller 73 and a first rear roller 74 which are matched with the chute assembly 6 are respectively arranged at two ends of the first sliding plate 71 in the length direction;
the second sliding plate 72 is parallel to the first sliding plate 71, and a second front roller 75 and a second rear roller 76 which are matched with the chute assembly 6 are arranged at two ends of the second sliding plate 72 in the length direction;
both ends of the first connecting plate 77 in the length direction are vertically connected to the upper ends of the middle portions of the first and second sliding plates 71 and 72, respectively;
the second connecting plate 78 is parallel to the first connecting plate 77, and both ends of the second connecting plate 78 in the length direction are vertically connected to the lower ends of the middle portions of the first and second sliding plates 71 and 72, respectively.
Preferably, the first connecting plate 77 or the second connecting plate 78 is hinged with the piston rod of the first telescopic cylinder.
The whole body of the sliding frame component 7 is in an I-shaped structure, a first connecting plate 77 and a second connecting plate 78 are arranged between the first sliding plate 71 and the second sliding plate 72, namely the first sliding plate 71 and the second sliding plate 72 are connected through two layers of connecting plates, and the whole strength of the sliding frame component 7 is enhanced.
As shown in fig. 8, the first and second sliding plates 71 and 72 are bolted to the first and second connecting plates 77 and 78.
As shown in fig. 8, a first front roller 73 and a first rear roller 74, and a second front roller 75 and a second rear roller 76 are disposed outside the i-shaped carriage assembly 7.
Preferably, the carriage assembly 7 further comprises: an ear plate assembly.
The ear plate assembly is perpendicularly connected to both the first connecting plate 77 and the second connecting plate 78, and the design of the ear plate assembly enhances the strength between the first connecting plate 77 and the second connecting plate 78.
Specifically, the number of the ear plate assemblies is two, and the ear plate assemblies are respectively connected with the shock absorber 93 corresponding to the positions of the shock absorbing assembly 9. Preferably, the ear plate assembly comprises two ear plates arranged in parallel, the ear plates being hingedly connected to the shock absorber 93.
In a specific embodiment of the present solution, the chute assembly 6 comprises a first chute 61, a second chute 62, a third chute 63 and a fourth chute 64, wherein
The first runner 61 cooperates with the first front roller 73;
the second sliding chute 62 is arranged opposite to and parallel to the first sliding chute 61, and the second sliding chute 62 is matched with the second front roller 75;
the third sliding chute 63 is positioned below the first sliding chute 61, is parallel to the first sliding chute 61 and is positioned on the same side of the frame 1, and the third sliding chute 63 is matched with the first rear roller 74;
the fourth sliding chute 64 is located below the second sliding chute 62, parallel to the second sliding chute 62 and located on the same side of the frame 1, the fourth sliding chute 64 is matched with the second rear roller 76, the inclined direction of the fourth sliding chute 64 extends from the lower direction of the front end of the frame 1 to the upper direction of the rear end of the frame 1, and correspondingly, the inclined directions of the first sliding chute 61, the second sliding chute 62 and the third sliding chute 63 also extend from the lower direction of the front end of the frame 1 to the upper direction of the rear end of the frame 1.
Two sliding grooves are formed in the same side of the frame 1, and stability of the sliding frame assembly 7 sliding along the sliding groove assembly 6 is improved.
In another embodiment of the present solution, the sliding groove assembly 6 comprises a first sliding groove 61 and a second sliding groove 62, i.e. only one sliding groove is provided on one side of the frame 1, the first sliding groove 61 cooperates with a first front roller 73 and a first rear roller 74, and the second sliding groove 62 cooperates with a second front roller 75 and a second rear roller 76.
The locking assembly comprises a positioning pin, a first positioning hole, a second positioning hole and a third positioning hole.
Specifically, a first positioning hole is formed in the upper ends of the first sliding chute 61 and the second sliding chute 62, the upper ends of the first sliding chute 61 and the second sliding chute 62 are named as a first position, a second positioning hole is formed in the lower ends of the third sliding chute 63 and the fourth sliding chute 64, the lower ends of the third sliding chute 63 and the fourth sliding chute 64 are named as a second position, and a third positioning hole is formed in the first sliding plate 71 and the second sliding plate 72. When the third positioning hole is matched with the first positioning hole, the positioning pin is inserted into the third positioning hole and the first positioning hole, the sliding frame assembly 7 is fixed at the first position, when the third positioning hole is matched with the second positioning hole, the positioning pin is inserted into the third positioning hole and the second positioning hole, and the sliding frame assembly 7 is fixed at the second position.
In order to further optimize the above technical solution, the axle further includes a clamping component 8 capable of being disposed on the frame 1 for clamping the axle tube 5 at the upper end of the third sliding chute 63, as shown in fig. 6, the clamping component 8 is disposed near the first position and far from the second position.
The clamping component 8 includes an upper clamping block 81 and a lower clamping block 82, specifically, the upper clamping block 81 can be fixed on the frame 1, the lower clamping block 82 can also be fixed on the frame 1 and located at the lower end of the upper clamping block 81, and one end of the lower clamping block 82 close to the upper clamping block 81 is an inclined surface.
When the first telescopic cylinder pulls the carriage assembly 7 to move upwards to the lower fixture block 82, the bridge pipe 5 moves upwards along the inclined surface of the lower fixture block 82 to a first position, at the moment, the bridge pipe 5 is clamped between the upper fixture block 81 and the lower fixture block 82, the axle is rigidly connected with the frame 1, and the damping assembly 9 cannot play a damping role;
the telescopic cylinder pushes the carriage assembly 7 to move downwards, the bridge pipe 5 moves downwards along the inclined surface of the lower clamping block 82, the bridge pipe 5 is separated from the clamping effect of the upper clamping block 81 and the lower clamping block 82 on the bridge pipe 5, the axle is elastically connected with the frame 1, and the damping assembly 9 plays a damping role.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A forklift, comprising:
a frame (1);
the lower end of the hoisting portal (2) is connected with the frame (1) through a portal rotating assembly (3), and the upper end of the hoisting portal (2) is provided with a traction assembly (4) capable of being connected with a motor vehicle;
an axle mounted at a lower end face of the frame (1), the axle comprising:
the tire mounting device comprises a bridge pipe (5), wherein tires can be mounted at two ends of the bridge pipe (5);
the sliding chute assemblies (6) are fixed on the frame (1), the number of the sliding chute assemblies (6) is two, the two sliding chute assemblies (6) are oppositely arranged on the frame (1), the two sliding chute assemblies (6) are arranged along the axis direction of the bridge pipe (5), and the inclination direction of the sliding chute assemblies (6) extends from the lower part of the front end of the frame (1) to the upper part of the rear end of the frame (1);
the sliding frame assembly (7), install on the sliding frame assembly (7) bridge tube (5), the length extending direction of sliding frame assembly (7) with the axis direction of bridge tube (5) is unanimous, sliding frame assembly (7) are followed through first telescopic cylinder spout subassembly (6) slide, sliding frame assembly (7) are fixed through locking Assembly on spout subassembly (6).
2. Truck as claimed in claim 1, characterized in that said mast slewing assembly (3) comprises:
a mounting table (31) fixed on the frame (1);
the cylinder bodies of the second telescopic cylinders (32) are hinged with the frame (1), and the number of the second telescopic cylinders (32) is two and the two second telescopic cylinders are symmetrically distributed on two sides of the mounting table (31);
rotating frame (33), rotating frame (33) for hoisting portal (2) slope is arranged and the incline direction with the folding direction of hoisting portal (2) is unanimous, rotating frame's (33) upper end with the lower extreme fixed connection of hoisting portal (2), rotating frame's (33) lower extreme with the piston rod of second telescoping cylinder (32) is articulated just rotating frame's (33) lower extreme can with frame (1) offsets, rotating frame (33) with the lateral wall upper end of mount table (31) is articulated.
3. Fork lift truck according to claim 2, characterized in that said rotating frame (33) comprises:
the end part of the supporting rod (331) is hinged with the piston rod of the second telescopic cylinder (32);
the first mounting plate (332) is fixedly connected with the lower end of the hoisting gantry (2), and the first mounting plate (332) is parallel to the support rod (331);
l type mounting panel (333), the number of L type mounting panel (333) is a plurality of and evenly distributed is in the length direction's of first mounting panel (332) both ends, L type mounting panel (333) with the length extending direction of first mounting panel (332) is perpendicular, L type mounting panel (333) include with first mounting panel (332) fixed connection's second mounting panel and for the third mounting panel that the second mounting panel slope was arranged, the incline direction of third mounting panel with the folding direction of jack-up portal (2) is unanimous, keeping away from of second mounting panel one side of first mounting panel (332) with the lateral wall upper end of mount table (31) is articulated, the lower extreme of third mounting panel be provided with bracing piece (331) complex mounting hole.
4. Fork-lift truck according to claim 2, characterized in that said mast (2) comprises:
the lower end of the rail (21) is fixedly connected with the upper end of the rotating frame (33), and the traction assembly (4) is arranged at the upper end of the rail (21);
the sliding frame (22), the sliding frame (22) is installed on the track (21) in a sliding mode, the sliding frame (22) slides in a reciprocating mode along the track (21) through a third telescopic cylinder, and rollers matched with the track (21) are arranged on the sliding frame (22);
one end of the suspension arm (23) is hinged with the lower end of the sliding frame (22), the other end of the suspension arm (23) is pulled up and down through a fourth telescopic cylinder, and a pull rope for pulling goods is arranged on the suspension arm (23).
5. Fork lift truck according to claim 1, characterized in that said traction assembly (4) comprises:
the hinge plate (41), one end of the hinge plate (41) is hinged with the upper end of the lifting gantry (2);
and one end of the hinge rod (42) is hinged with the other end of the hinge plate (41), and the other end of the hinge rod (42) is hinged with the motor vehicle.
6. The forklift truck according to claim 1, wherein the axle further comprises two shock absorbing assemblies (9), the two shock absorbing assemblies (9) are respectively mounted at two ends of the axle tube (5) in the axial direction, the shock absorbing assemblies (9) are hinged with the carriage assembly (7),
the shock-absorbing assembly (9) comprises:
the mounting block (91) is provided with a mounting hole matched with the bridge pipe (5);
one end of the shock absorber (93) is hinged with the mounting block (91), and the other end of the shock absorber (93) is hinged with the carriage assembly (7);
the middle part of the plate spring (92) is fixed on the mounting block (91) through a U-shaped bolt, the length extending direction of the plate spring (92) is perpendicular to the bridge pipe (5), and two ends of the plate spring (92) in the length direction are hinged to the sliding frame assembly (7).
7. The lift truck of claim 1, characterized in that said carriage assembly (7) comprises:
a first sliding plate (71), wherein a first front roller (73) and a first rear roller (74) which are matched with the chute assembly (6) are respectively arranged at two ends of the first sliding plate (71) in the length direction;
the second sliding plate (72) is parallel to the first sliding plate (71), and a second front roller (75) and a second rear roller (76) which are matched with the chute assembly (6) are arranged at two ends of the second sliding plate (72) in the length direction;
a first connecting plate (77), wherein two ends of the first connecting plate (77) in the length direction are respectively and vertically connected with the upper ends of the middle parts of the first sliding plate (71) and the second sliding plate (72);
the second connecting plate (78), the second connecting plate (78) with first connecting plate (77) are parallel, the length direction's of second connecting plate (78) both ends respectively with first slide (71) with the middle part lower extreme of second slide (72) is connected perpendicularly, second connecting plate (78) or first connecting plate (77) with the piston rod of first telescoping cylinder is articulated.
8. A lift truck as claimed in claim 1, characterized in that said chute assembly (6) comprises:
a first runner (61), said first runner (61) cooperating with said first front roller (73);
a second runner (62), said second runner (62) being arranged opposite and parallel to said first runner (61), said second runner (62) cooperating with said second front roller (75);
the third sliding chute (63) is positioned below the first sliding chute (61), is parallel to the first sliding chute (61) and is positioned on the same side of the frame (1), and the third sliding chute (63) is matched with the first rear roller (74);
the fourth sliding groove (64) is located below the second sliding groove (62), is parallel to the second sliding groove (62) and is located on the same side of the frame (1), the fourth sliding groove (64) is matched with the second rear roller (76), and the inclined direction of the fourth sliding groove (64) extends to the upper portion of the rear end of the frame (1) from the lower portion of the front end of the frame (1).
9. The lift truck of claim 1, wherein the locking assembly comprises:
positioning pins;
a first positioning hole is formed in the upper ends of the first sliding chute (61) and the second sliding chute (62);
a second positioning hole formed in the lower ends of the third sliding chute (63) and the fourth sliding chute (64);
and third positioning holes which are formed in the first sliding plate (71) and the second sliding plate (72) and can be matched with the first positioning holes and the second positioning holes, and the positioning pins can be inserted into the third positioning holes.
10. The vehicle axle according to claim 9, further comprising a clamping assembly (8) arranged on the vehicle frame (1) for clamping the axle tube (5) at the upper end of the third sliding groove (63),
the clamping and fixing component (8) comprises:
an upper fixture block (81) fixed on the frame (1);
the lower clamping block (82) is fixed on the frame (1) and located at the lower end of the upper clamping block (81), and one end, close to the upper clamping block (81), of the lower clamping block (82) is an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575819.3A CN110155912B (en) | 2019-06-28 | 2019-06-28 | Fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575819.3A CN110155912B (en) | 2019-06-28 | 2019-06-28 | Fork truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110155912A true CN110155912A (en) | 2019-08-23 |
| CN110155912B CN110155912B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910575819.3A Active CN110155912B (en) | 2019-06-28 | 2019-06-28 | Fork truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767759A (en) * | 2021-09-12 | 2021-12-10 | 黑龙江华垦农业机械有限公司 | Multifunctional agricultural machine with front and rear carriage for paddy field and dry field |
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| JP2000344481A (en) * | 1999-06-07 | 2000-12-12 | Toyota Autom Loom Works Ltd | Device and method for placing forklift truck on truck |
| CN101312901A (en) * | 2005-10-10 | 2008-11-26 | 威·马里奥蒂有限责任公司 | Electric fork-lift truck and process for manufacturing the same |
| CN201817237U (en) * | 2010-09-21 | 2011-05-04 | 浙江诺力机械股份有限公司 | Gantry tilting device for forklifts and forklift provided with gantry tilting device |
| CN210366851U (en) * | 2019-06-28 | 2020-04-21 | 衡阳合力工业车辆有限公司 | Forklift truck |
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2019
- 2019-06-28 CN CN201910575819.3A patent/CN110155912B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000344481A (en) * | 1999-06-07 | 2000-12-12 | Toyota Autom Loom Works Ltd | Device and method for placing forklift truck on truck |
| CN101312901A (en) * | 2005-10-10 | 2008-11-26 | 威·马里奥蒂有限责任公司 | Electric fork-lift truck and process for manufacturing the same |
| CN201817237U (en) * | 2010-09-21 | 2011-05-04 | 浙江诺力机械股份有限公司 | Gantry tilting device for forklifts and forklift provided with gantry tilting device |
| CN210366851U (en) * | 2019-06-28 | 2020-04-21 | 衡阳合力工业车辆有限公司 | Forklift truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113767759A (en) * | 2021-09-12 | 2021-12-10 | 黑龙江华垦农业机械有限公司 | Multifunctional agricultural machine with front and rear carriage for paddy field and dry field |
| CN113767759B (en) * | 2021-09-12 | 2022-06-17 | 黑龙江华垦农业机械有限公司 | Multifunctional agricultural machine with front and rear carriage for paddy field and dry field |
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| Publication number | Publication date |
|---|---|
| CN110155912B (en) | 2024-07-16 |
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