CN215364744U - Driving mechanism for forklift chassis - Google Patents
Driving mechanism for forklift chassis Download PDFInfo
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- CN215364744U CN215364744U CN202121873201.4U CN202121873201U CN215364744U CN 215364744 U CN215364744 U CN 215364744U CN 202121873201 U CN202121873201 U CN 202121873201U CN 215364744 U CN215364744 U CN 215364744U
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- fixedly connected
- linkage
- forklift
- rotating shaft
- supporting seat
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a driving mechanism for a forklift chassis, which comprises a steering wheel and a balancing unit, wherein the steering wheel is connected with the steering wheel; the two steering wheels are arranged oppositely; the balance unit comprises a linkage part and a rotating shaft; the linkage part is integrally long-strip-shaped, one end of the linkage part is fixedly connected with the top end of one of the steering wheels, the other end of the linkage part is fixedly connected with the top end of the other steering wheel, and the middle part of the linkage part is sleeved on the rotating shaft; the rotating shaft is rotationally fixed on a chassis of the forklift. Wherein, the two steering wheels effectively improve the flexibility of the front end or the rear end of the chassis of the forklift when bending. The balancing unit can balance the two steering wheels so that the two steering wheels are located on the same plane, and therefore the balance and the moving stability of the front end or the rear end of the chassis during bending are improved, and the stability of the chassis during bending and directional moving is further improved.
Description
Technical Field
The utility model relates to the technical field of parts for forklifts, in particular to a driving mechanism for a forklift chassis.
Background
The forklift is an industrial transportation vehicle, which refers to various wheeled transportation vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, is called as an industrial vehicle by international organization for standardization, is commonly used for transporting large-scale stored articles, is usually driven by an oil-fired machine or a battery, has the technical parameters for indicating the structural characteristics and the working performance of the forklift, has the main technical parameters of rated lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum driving speed, minimum turning radius, minimum ground clearance, axle distance, wheel distance and the like, is widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, circulation centers, distribution centers and the like, is used for loading, unloading and transporting pallet goods in cabins, carriages and containers, and is an essential device for pallet transportation and container transportation, forklifts play a very important role in logistics systems of enterprises, being the prime force among materials handling equipment.
At present, how to improve the stability of a forklift chassis during moving becomes a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a driving mechanism for a forklift chassis, which aims to solve the problem of poor stability when the forklift chassis moves.
The driving mechanism for the chassis of the forklift truck, which is provided for realizing the aim of the utility model, comprises a steering wheel and a balancing unit;
the number of the steering wheels is two, and the steering wheels are arranged oppositely;
the balance unit comprises a linkage part and a rotating shaft;
the linkage part is integrally in a strip shape, one end of the linkage part is fixedly connected with the top end of one of the steering wheels, the other end of the linkage part is fixedly connected with the top end of the other steering wheel, and the middle part of the linkage part is sleeved on the rotating shaft;
the rotating shaft is rotationally fixed on a chassis of the forklift.
As a further description of the above technical solution:
the two linkage parts are arranged in parallel, the middle part of one of the two linkage parts is sleeved at one end of the rotating shaft, and the middle part of the other linkage part is sleeved at the other end of the rotating shaft; and two ends of each linkage part are respectively and fixedly connected with the tops of the two steering wheels.
As a further description of the above technical solution:
the balance unit also comprises a supporting seat;
the supporting seat is hollow, two ends of the supporting seat are of an opening structure and respectively face to the adjacent sides of the two linkage parts, and the outer wall of the supporting seat can be fixed on a chassis of the forklift;
the rotating shaft penetrates through the supporting seat along the axial direction of the supporting seat, one end of the rotating shaft is fixedly connected with the inner wall of one end of the supporting seat through a bearing, and the other end of the rotating shaft is fixedly connected with the inner wall of the other end of the supporting seat through a bearing.
As a further description of the above technical solution:
the balancing unit also comprises a limiting plate;
the limiting plates are two, one of the limiting plates is arranged on one side, deviating from the supporting seat, of one linkage portion, and is fixedly connected with one end of the rotating shaft, and the other limiting plate is arranged on one side, deviating from the supporting seat, of the other linkage portion, and is fixedly connected with the other end of the rotating shaft.
As a further description of the above technical solution:
the balancing unit further comprises a reinforcing rod;
the two reinforcing rods are arranged in parallel, one of the reinforcing rods is close to one common end of the two linkage parts, and the other reinforcing rod is close to the other common end of the two linkage parts; one end of each reinforcing rod is fixedly connected with one linkage part, and the other end of each reinforcing rod is fixedly connected with the other linkage part.
As a further description of the above technical solution:
the linkage part is connected with the steering wheel in a welding mode;
the reinforcing rod is connected with the linkage part in a threaded connection mode.
As a further description of the above technical solution:
the device also comprises a damping unit;
the two damping units are respectively fixed at the top ends of the two steering wheels.
As a further description of the above technical solution:
each damping unit comprises a mounting seat and a spring;
one side of the mounting seat is provided with a fixing plate;
the two springs are vertically arranged, and the top ends of the two springs are fixedly connected with the bottom end of the mounting seat;
the bottom of two springs of one of them shock attenuation unit all with the top fixed connection of one of them steering wheel, the bottom of two springs of another shock attenuation unit all with the top fixed connection of another steering wheel.
As a further description of the above technical solution:
each damping unit further comprises a transmission plate;
the bottom end surface of the transmission plate is fixedly connected with the top end of the steering wheel, and the top end of the transmission plate is fixedly connected with the bottom ends of the two springs respectively.
As a further description of the above technical solution:
the adjacent sides of the two steering wheels are provided with a walking motor and a steering motor.
The utility model has the following beneficial effects: according to the driving mechanism for the forklift chassis, the two steering wheels are arranged and can be fixed at the front end or the rear end of the forklift chassis, so that the flexibility of the forklift chassis when the front end or the rear end bends is effectively improved. The balancing unit can balance the two steering wheels so that the two steering wheels are located on the same plane, and therefore the balance and the moving stability of the front end or the rear end of the chassis during bending are improved, and the stability of the chassis during bending and directional moving is further improved. The linkage part can balance the two steering wheels through the balancing unit so that the two steering wheels are located on the same plane, the balance of the front end or the rear end of the chassis during bending and the stability of the chassis during directional movement are improved, and the stability of the chassis during bending and directional movement is improved. And the linkage part is long-strip-shaped, so that the light design is favorably realized, the loss of raw materials is reduced, and the manufacturing cost of the balance unit is saved. The rotating shaft serves as a supporting rod and plays a role of a fulcrum, so that the position stability of the linkage part during rotation is effectively improved, the balance of the two steering wheels is further improved, and the balance during bending and the stability during directional movement are further improved.
Drawings
Fig. 1 is a side view of an embodiment of a driving mechanism for a chassis of a forklift truck according to the present invention;
FIG. 2 is a top plan view of the drive mechanism for the forklift chassis shown in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of a driving mechanism for a chassis of a forklift truck according to the present invention;
FIG. 4 is an exploded view of the drive mechanism for the forklift chassis shown in FIG. 3;
fig. 5 is an exploded view of the damper unit in the drive mechanism for a forklift chassis shown in fig. 3.
Illustration of the drawings:
1. a steering wheel; 11. a traveling motor; 12. a steering motor; 13. a connecting plate; 2. a balancing unit; 21. a linkage section; 22. a rotating shaft; 23. a supporting seat; 24. a reinforcing bar; 25. a limiting plate; 3. a damping unit; 31. a mounting seat; 311. a fixing plate; 32. a spring; 33. a drive plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, as an embodiment of the present invention, a driving mechanism for a forklift chassis includes a steering wheel 1 and a balance unit 2. Wherein, the number of the steering wheels 1 is two and the steering wheels are arranged oppositely. The balancing unit 2 includes a linkage portion 21 and a rotation shaft 22. The linkage part 21 is integrally in a strip shape, one end of the linkage part is fixedly connected with the top end of one of the steering wheels 1, the other end of the linkage part is fixedly connected with the top end of the other steering wheel 1, and the middle part of the linkage part is sleeved on the rotating shaft 22. The shaft 22 is rotatably fixed to the chassis of the forklift.
In this embodiment, the drive mechanism is integrally mounted on the bottom of the front end or the top of the rear end of the chassis of the forklift. The two steering wheels 1 which are arranged oppositely effectively improve the flexibility of the front end or the rear end of the chassis of the forklift when the front end or the rear end is bent. The balancing unit 2 can balance the two steering wheels 1, so that the two steering wheels 1 are located on the same plane, the balance and the moving stability of the front end or the rear end of the chassis during bending are improved, and the stability of the chassis during bending and directional moving is improved. Specifically, the balancing unit 2 comprises a linkage part 21 and a rotating shaft 22, wherein the linkage part 21 can balance the two steering wheels 1 by the balancing unit 2, so that the two steering wheels 1 are located on the same plane, the balance of the chassis when the front end or the rear end of the chassis bends and the stability of the chassis during directional movement are improved, and the stability of the chassis during bending and directional movement is improved. Moreover, the linkage portion 21 is long, which is beneficial to realizing light weight design, reducing loss of raw materials and saving manufacturing cost of the balance unit 2. When the driving mechanism is integrally installed at the bottom of the front end of the chassis of the forklift, the rotating shaft 22 is used as a supporting rod and is rotatably fixed at the bottom of the front end of the chassis; when the driving mechanism is integrally mounted on the top of the rear end of the chassis of the forklift, the rotating shaft 22 serves as a support rod and is rotatably fixed on the top of the rear end of the chassis. The rotating shaft 22 is used as a pivot of the linkage part 21, so that the position stability of the linkage part 21 during rotation is effectively improved, the balance of the two steering wheels 1 is further improved, and the balance during bending and the stability during directional movement are further improved.
In an embodiment of the present invention, there are two linkage portions 21, the axes are parallel to each other, a middle portion of one of the linkage portions is sleeved on one end of the rotating shaft 22, and a middle portion of the other linkage portion is sleeved on the other end of the rotating shaft 22; two ends of each linkage part 21 are respectively and fixedly connected with the tops of the two steering wheels 1. The two linkage parts 21 are matched, so that the balance of the two steering wheels 1 is easier to adjust, the balance of the chassis is better when the chassis bends, and the stability of the chassis during directional movement is better.
In an embodiment of the present invention, the balancing unit 2 further includes a supporting seat 23, and the supporting seat 23 can support and fix the rotating shaft 22. Specifically, the supporting seat 23 is hollow and has two open ends. The two open ends of the support base 23 face the adjacent sides of the two linkage portions 21, respectively, and the outer wall can be fixed on the chassis of the forklift, that is, the outer wall of the support base 23 can be fixed on the bottom of the front end or the top of the rear end of the chassis. The rotating shaft 22 penetrates through the supporting seat 23 along the axial direction of the supporting seat 23, one end of the rotating shaft is fixedly connected with the inner wall of one end of the supporting seat 23 through a bearing, and the other end of the rotating shaft is fixedly connected with the inner wall of the other end of the supporting seat 23 through a bearing.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, the balancing unit 2 further includes a stopper plate 25 and a reinforcing rod 24. Wherein, limiting plate 25 is two, and one of them linkage portion 21 is located one side that one of them linkage portion 21 deviates from supporting seat 23, and with the one end fixed connection of pivot 22, another one side of locating another linkage portion 21 and deviating from supporting seat 23, and with the other end fixed connection of pivot 22. The limit plate 25 can effectively prevent the link portion 21 from slipping off the rotation shaft 22, and ensure the stability of the performance of the balancing unit 2. Wherein, the number of the reinforcing rods 24 is two, the axes are parallel to each other, one of the reinforcing rods is arranged near the common end of the two linkage parts 21, and the other reinforcing rod is arranged near the common other end of the two linkage parts 21. One end of each reinforcing rod 24 is fixedly connected to one of the interlocking parts 21, and the other end is fixedly connected to the other interlocking part 21. The reinforcing rod 24 can play a role in supporting and fixing the two linkage parts 21, so that the stability of the overall structure of the balance unit 2 is improved, and the stability of the performance of the balance unit 2 is ensured.
In an embodiment of the present invention, a connecting plate 13 is disposed on the top of the steering wheel 1, and the linkage 21 is connected to the connecting plate 13 disposed on the top of the steering wheel 1 by welding. The connecting plate 13 effectively increases the contact area between the linkage part 21 and the rudder wheel 1, and thus improves the stability of the connection between the linkage part 21 and the rudder wheel 1. Moreover, the connection is performed by welding, which further improves the stability of the connection between the linkage 21 and the steering wheel 1. The reinforcing rod 24 and the linkage part 21 are connected in a threaded manner, so that the reinforcing rod 24 can be conveniently detached, replaced, installed and used.
Referring to fig. 1, 2, 3, 4 and 5, in an embodiment of the present invention, the steering wheel further includes two damping units 3, where the two damping units 3 are respectively fixed to the top ends of the two steering wheels 1. The damping unit 3 can buffer the vibration generated when the steering wheel 1 operates, and further improves the stability of the driving mechanism during operation, thereby improving the stability of the chassis during bending and directional movement and reducing the influence of the road surface on the chassis. Specifically, each shock-absorbing unit 3 includes a mount 31 and a spring 32. A fixing plate 311 is disposed on one side of the mounting seat 31, a mounting hole is formed in the fixing plate 311, and the fixing plate 311 can be fixed to a mast of a forklift truck by using a bolt through the mounting hole, so that the mounting seat 31 is fixed to the mast of the forklift truck. Wherein, spring 32 is two, and equal vertical setting, the top all passes through locating pin fixed connection with the bottom of mount pad 31. The bottom ends of two springs 32 of one of the damping units 3 are fixedly connected with the top end of one of the steering wheels 1, and the bottom ends of two springs 32 of the other damping unit 3 are fixedly connected with the top end of the other steering wheel 1. The two damping units 3 are matched with each other, so that the two steering wheels 1 are good in balance when bending and moving directionally, and high in stability.
In an embodiment of the present invention, each damping unit 3 further includes a driving plate 33, a bottom end surface of the driving plate 33 is fixedly connected to a top end of the steering wheel 1, and the top ends are respectively fixedly connected to bottom ends of the two springs 32. The driving plate 33 effectively increases the contact area of the spring 32 and the steering wheel 1 so that the force can be transmitted more stably. In addition, a traveling motor 11 and a steering motor 12 are arranged on the adjacent sides of the two steering wheels 1. A steering wheel and a moving wheel are fixed to the bottom of each steering wheel 1. The steering wheel is connected with a steering motor 12 in a transmission way. The moving wheel is in transmission connection with a walking motor 11. The steering wheel is matched with the steering motor 12, and the advancing direction of the steering wheel 1 can be adjusted. The moving wheels are matched with the traveling motor 11, and sufficient power can be provided for the movement of the steering wheel 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (10)
1. A drive mechanism for a forklift chassis, comprising:
a steering wheel and a balancing unit;
the two steering wheels are arranged oppositely;
the balance unit comprises a linkage part and a rotating shaft;
the linkage part is integrally long-strip-shaped, one end of the linkage part is fixedly connected with the top end of one of the steering wheels, the other end of the linkage part is fixedly connected with the top end of the other steering wheel, and the middle part of the linkage part is sleeved on the rotating shaft;
the rotating shaft is rotationally fixed on a chassis of the forklift.
2. The drive mechanism for a forklift chassis according to claim 1, characterized in that: the two linkage parts are arranged in parallel, the middle part of one of the two linkage parts is sleeved at one end of the rotating shaft, and the middle part of the other linkage part is sleeved at the other end of the rotating shaft; and two ends of each linkage part are respectively and fixedly connected with the tops of the two steering wheels.
3. The drive mechanism for a forklift chassis according to claim 2, characterized in that: the balance unit further comprises a supporting seat;
the supporting seat is hollow, two ends of the supporting seat are of an opening structure and respectively face to the adjacent sides of the two linkage parts, and the outer wall of the supporting seat can be fixed on the chassis of the forklift;
the rotating shaft penetrates through the supporting seat along the axial direction of the supporting seat, one end of the rotating shaft is fixedly connected with the inner wall of one end of the supporting seat through a bearing, and the other end of the rotating shaft is fixedly connected with the inner wall of the other end of the supporting seat through the bearing.
4. The drive mechanism for a forklift chassis according to claim 3, characterized in that: the balance unit further comprises a limiting plate;
the limiting plate is two, and one of them is located one of them linkage portion deviates from one side of supporting seat, and with the one end fixed connection of pivot, another is located another linkage portion deviates from one side of supporting seat, and with the other end fixed connection of pivot.
5. The drive mechanism for a forklift chassis according to claim 2, characterized in that: the balancing unit further comprises a reinforcing rod;
the number of the reinforcing rods is two, the axes of the reinforcing rods are arranged in parallel, one reinforcing rod is arranged close to one common end of the two linkage parts, and the other reinforcing rod is arranged close to the other common end of the two linkage parts; one end of each reinforcing rod is fixedly connected with one of the linkage parts, and the other end of each reinforcing rod is fixedly connected with the other linkage part.
6. The drive mechanism for a forklift chassis according to claim 5, wherein: the linkage part is connected with the steering wheel in a welding mode;
the reinforcing rod and the linkage part are connected in a threaded connection mode.
7. The drive mechanism for a forklift chassis according to any one of claims 1 to 6, wherein: the device also comprises a damping unit;
the number of the damping units is two, and the two damping units are respectively fixed at the top ends of the two steering wheels.
8. The drive mechanism for a forklift chassis according to claim 7, characterized in that: each damping unit comprises a mounting seat and a spring;
a fixing plate is arranged on one side of the mounting seat;
the two springs are vertically arranged, and the top ends of the two springs are fixedly connected with the bottom end of the mounting seat;
the bottom ends of the two springs of one damping unit are fixedly connected with the top end of one steering wheel, and the bottom ends of the two springs of the other damping unit are fixedly connected with the top end of the other steering wheel.
9. The drive mechanism for a forklift chassis according to claim 8, wherein: each damping unit further comprises a transmission plate;
the bottom end face of the transmission plate is fixedly connected with the top end of the steering wheel, and the top end of the transmission plate is fixedly connected with the bottom ends of the two springs respectively.
10. The drive mechanism for a forklift chassis according to any one of claims 1 to 6, wherein: and the adjacent sides of the two steering wheels are provided with a traveling motor and a steering motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873201.4U CN215364744U (en) | 2021-08-11 | 2021-08-11 | Driving mechanism for forklift chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873201.4U CN215364744U (en) | 2021-08-11 | 2021-08-11 | Driving mechanism for forklift chassis |
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| Publication Number | Publication Date |
|---|---|
| CN215364744U true CN215364744U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121873201.4U Active CN215364744U (en) | 2021-08-11 | 2021-08-11 | Driving mechanism for forklift chassis |
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| CN (1) | CN215364744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231473A (en) * | 2022-08-02 | 2022-10-25 | 法睿兰达科技(武汉)有限公司 | AMR of the ox |
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2021
- 2021-08-11 CN CN202121873201.4U patent/CN215364744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231473A (en) * | 2022-08-02 | 2022-10-25 | 法睿兰达科技(武汉)有限公司 | AMR of the ox |
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