CN106744526B - Small turning radius industrial vehicle - Google Patents
Small turning radius industrial vehicle Download PDFInfo
- Publication number
- CN106744526B CN106744526B CN201710142422.6A CN201710142422A CN106744526B CN 106744526 B CN106744526 B CN 106744526B CN 201710142422 A CN201710142422 A CN 201710142422A CN 106744526 B CN106744526 B CN 106744526B
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- vehicle
- wheel
- industrial vehicle
- turning radius
- small
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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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- 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
- B66F9/0755—Position control; Position detectors
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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
- B66F9/07568—Steering arrangements
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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
- B66F9/07572—Propulsion arrangements
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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
- B66F9/07586—Suspension or mounting of wheels on chassis
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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
- B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
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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)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the field of automatic mechanical equipment, in particular to an industrial vehicle with a small turning radius. The invention is realized by the following technical scheme: the utility model provides a little turning radius industrial vehicle, contain the automobile body and with the fork of body coupling still contain with the vehicle bottom of body coupling, the vehicle bottom contains connecting portion and is located the car leg of connecting portion both sides, install the drive wheel on the car leg, install the directive wheel on the connecting portion. The invention aims to provide an industrial vehicle with a small turning radius, which redesigns the wheel set of the vehicle, has small volume and small turning radius and can realize pivot steering.
Description
Technical Field
The invention relates to the field of automatic mechanical equipment, in particular to an industrial vehicle with a small turning radius.
Background
Industrial vehicles refer to power-driven motor vehicles used to carry, push, pull, lift, stack, or palletize various loads. Common industrial vehicles are forklifts, side-lifts, tractors, trucks, fork lifts, and the like.
In the use of industrial vehicles, the two actions of carrying and picking up goods and walking and steering are the conventional actions of industrial vehicles and the most important two actions, and naturally become the design focus of industrial vehicle designers. The existing industrial vehicle is often provided with a driving wheel on a vehicle chassis, and the driving wheel has a steering function at the same time to control the running and steering of the vehicle.
Such industrial vehicles can normally operate, but when turning, the turning radius is often large, and a plurality of shelves and aisles arranged among the shelves are arranged in a workshop, and when the turning radius is too large, the turning and the direction changing of the vehicles in the aisles are very inconvenient, and the vehicles are easy to interfere or collide with the adjacent shelves.
Disclosure of Invention
The invention aims to provide an industrial vehicle with a small turning radius, which redesigns the wheel set of the vehicle, has small volume and small turning radius and can realize pivot steering.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a little turning radius industrial vehicle, contain the automobile body and with the fork of body coupling still contain with the vehicle bottom of body coupling, the vehicle bottom contains connecting portion and is located the car leg of connecting portion both sides, install the drive wheel on the car leg, install the directive wheel on the connecting portion.
Preferably, the driving wheel includes a wheel body and a rotating shaft connected to the wheel body, the rotating shaft is mounted on a connecting support, the rotating shaft is connected to a speed reducer, the speed reducer is driven by a motor, and the connecting support is mounted on the leg.
Preferably, the wheel body is located on one side of the connecting support, and the motor and the speed reducer are located on the other side of the connecting support.
Preferably, the motor and the reduction gear are arranged transversely.
Preferably, the pallet fork lifting tray can calculate the minimum rotating circular track of the vehicle according to the shape of the vehicle body and the vehicle bottom and the size of the pallet, and a connecting line of wheel centers of the two driving wheels passes through the circle center of the minimum rotating circular track.
Preferably, the connecting part is provided with a remaining groove, and the steering wheel is positioned in the remaining groove.
Preferably, the present invention further comprises an angle sensor for measuring a current steering angle of the steerable wheels, and the drive wheels are adjusted in operation state according to a value of the angle sensor.
Preferably, a separate drive device is connected to the steerable wheels.
Preferably, the two legs are located outside the fork, and the extending direction of the legs is parallel to the extending direction of the fork.
Preferably, the leg is provided with an auxiliary support wheel on a side of the drive wheel remote from the steering wheel.
Preferably, the auxiliary support wheels are universal wheels.
Preferably, the fork is connected to a travelling mast which is movable relative to the body by means of an ejector.
Preferably, the pushing direction of the moving gantry is parallel to the extending direction of the legs, and one end of the pushing device is connected to the pushing moving gantry, and the other end of the pushing device is connected to the vehicle body.
Preferably, the legs are provided with rails on which the moving gantry slides.
Preferably, the movable portal frame is further provided with a lifting device for pulling the fork to lift.
In conclusion, the invention has the following beneficial effects:
1. through the arrangement of the steering wheel and the driving wheel on the vehicle bottom and the design of the installation positions of the steering wheel and the driving wheel, the vehicle has a smaller rotation radius, and is not easy to interfere with a goods shelf when a workshop turns.
2. The driving wheel can be operated and adjusted according to the rotating direction of the steering wheel, and is convenient and fast.
3. The fork can be arranged on the movable door frame and can extend out and back, so that the front and back positions of the fork can be adjusted, and a smaller rotating radius can be obtained.
Description of the drawings:
FIG. 1 is a schematic diagram of example 1;
FIG. 2 is a schematic view of the bottom view rotated when the vehicle is loading the pallet;
FIG. 3 is a schematic view of example 2;
FIG. 4 is a schematic view of example 3;
fig. 5 is a schematic view of the drive wheel.
In the figure:
1. the device comprises a vehicle body, 2, a vehicle bottom, 21, vehicle legs, 22, a connecting part, 221, a reserved groove, 3, a steering wheel, 4, a driving wheel, 41, a motor, 42, a speed reducing device, 43, a connecting support, 44, a wheel body, 45, a rotating shaft, 46, a hub fixing part, 5, an auxiliary supporting wheel, 6, a pallet fork, 7, a moving gantry, 8, a pushing device, 9 and a lifting device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1, as shown in fig. 1, comprises a vehicle body 1, the vehicle body 1 being a main body part of a vehicle and extending in a vertical direction, and a vehicle bottom 2 connected to a lower end of the vehicle body 1, the vehicle bottom 2 extending in a horizontal direction. The vehicle bottom 2 comprises two vehicle legs 21 and a connecting part 22 for connecting the two vehicle legs 21, a reserved groove 221 is formed in the connecting part 22, and the steering wheel 3 is located in the reserved groove 221. The steering wheel 3 does not use a universal wheel, and the angle of the steering wheel 3 can be captured by the angle sensing device, so that the real-time steering data of the steering wheel 3 can be acquired.
The steering wheel 3 can adopt a separate driving device, such as a separate connection steering motor, so that the steering of the steering wheel 3 is more accurate and smooth.
The legs 21 extend forward, and the extension angles of both the legs 21 and the fork 6 are parallel forward. The driving wheels 4 are arranged on the legs 21, the driving mode of the driving wheels 4 can be electric driving, when the steering is needed, the driving wheels 4 on the two sides can be adjusted to rotate forwards or backwards respectively, and the differential speed adjustment of the speed can be carried out, so that the steering with different tracks is realized. The speed adjustment and the forward and reverse rotation adjustment of the driving wheel 4 can be performed according to real-time steering data of the steering wheel 3 captured by the angle sensing device as parameters.
In embodiment 1, the direction toward the vehicle body 1 is defined as rear, and the direction away from the vehicle body 1 is defined as front. In front of the driving wheel 4, on the leg 21, there is an auxiliary supporting wheel 5. The auxiliary supporting wheel 5 can be a universal wheel, and its function is auxiliary supporting and auxiliary steering. The vehicle is often required to be loaded with heavy goods at ordinary times, and the carrying stability of the vehicle can be improved through the auxiliary supporting wheels 5.
As shown in fig. 2, the square dashed box represents the size of the pallet, and generally, the size of a specific pallet is standardized in accordance with the machine specification and warehousing parameters. Depending on the front end point of the size of the pallet and the outer end point of the body 1 or body 2, a circle, i.e. the dashed circle in fig. 2, can be defined. This circle is the minimum turning trajectory of the vehicle, i.e., the trajectory that the vehicle makes when turning on its spot. When designing a vehicle, the body 1 and the underbody 2 are, on the one hand, as compact as possible in size and, on the other hand, do not exhibit this rounded-out bulge in shape. After the minimum rotation circular path is determined, the specific installation positions of the two driving wheels 4 are corrected, so that the line of the wheel centers of the two driving wheels 4 passes through the center of the circle.
It should be noted that, if the distance between the two driving wheels 4 is too large, the circle is formed, which increases the interference area when the vehicle turns on the spot, and if the distance is too small, the center of gravity of the vehicle is unstable, which is preferably generally arranged within the circle and outside the projection of the tray.
As shown in fig. 5, the connecting bracket 43 is connected to a member of the vehicle body, specifically, the leg 21 as a main body for fixing and connecting. The motor 41 and the reduction gear 42 serve as a driving structure for driving the rotation shaft 45 connected to the reduction gear 42 to rotate, thereby rotating the wheel body 44. The rotating shaft 45 is relatively rotated with respect to the connection holder 43 by means such as a support bearing. The rotating shaft 45 may be connected to the wheel body 44 by a hub fastener 46, which may be, for example, a hub bolt. This arrangement allows the attachment bracket 43 to be easily attached to the leg 21 as a support and intermediate member. According to actual conditions, the wheel bodies 44 with different sizes can be selected and matched, the motors 41 and the speed reducers 42 with different specifications and different rotating speeds can be selected and matched, the assembly is more flexible, and the wheel is suitable for vehicle models with different specifications. On the other hand, in the position arrangement, the wheel body 44 is located on one side of the connecting support 43, and the motor 41 and the reduction gear 42 are located on the other side of the connecting support 43. The motor 41 and the reduction gear 42 are disposed laterally. Such a positional arrangement further reduces the height of the drive wheel assembly.
As shown in FIG. 3, FIG. 3 is a schematic view of embodiment 2. Example 1 is a transporting vehicle, and example 2 is a fork lift truck. Compared to embodiment 1, a fork 6 with a higher ground clearance is required for a fork lift truck as shown in fig. 3. On the other hand, in the present embodiment, the forks 6 are mounted on the moving mast 7. The moving gantry 7 can be pushed out forwards along the legs 21, specifically, a pushing-out device 8 is connected between the vehicle body 1 and the moving gantry 7, the pushing-out device 8 can be a hydraulic device, a guide track is arranged in the legs 21, so that the moving gantry 7 can be pushed out smoothly, and the lifting device 9 controls the lifting of the fork 6 on the moving gantry 7. In particular, the lifting device 9 may be a driving transmission combination of a motor and a gear. The fork truck can directly steer in the same manner as in embodiment 1, but in order to obtain a better turning radius and an interference track, the moving gantry 7 can be retracted, so that the moving gantry 7 can turn after being closer to the truck body 1.
As shown in fig. 4, the embodiment 3 is different from the embodiment 2 in that the auxiliary support wheels 5 are eliminated, and is suitable for a cargo environment requiring a smaller size and a more compact structure.
Claims (10)
1. A small turning radius industrial vehicle comprises a vehicle body (1) and a pallet fork (6), and is characterized in that: the industrial vehicle further comprises a first driving device and a second driving device, wherein the first driving device is independently connected with the first driving device and drives the steering wheel (3) to steer, the second driving device is provided with two sets, and each set comprises a motor (41) and a speed reducing device (42); the driving wheel (4) comprises a wheel body (44) and a rotating shaft (45) connected with the wheel body (44), the rotating shaft (45) is installed on a connecting support (43), the rotating shaft (45) is connected to a speed reducing device (42), the speed reducing device (42) is driven by a motor (41), the connecting support (43) is installed on the car leg (21), the wheel body (44) is located on one side of the connecting support (43), the motor (41) and the speed reducing device (42) are located on the other side of the connecting support (43), the motor (41) and the speed reducing device (42) are transversely placed, a C-shaped groove (221) is formed in the connecting portion (22), the steering wheel (3) is located in the C-shaped groove (221), an angle sensing device used for measuring the current steering angle of the steering wheel (3) is further included, and the driving wheel (4) adjusts the operation state according to the numerical value of the angle sensing device.
2. A small turning radius industrial vehicle according to claim 1, characterized in that: the pallet fork (6) lifts the pallet, the minimum rotating circular track of the vehicle can be calculated according to the shape of the vehicle body (1), the vehicle bottom (2) and the size of the pallet, and the connecting line of the wheel centers of the two driving wheels (4) passes through the circle center of the minimum rotating circular track.
3. A small turning radius industrial vehicle according to claim 1, characterized in that: the steering wheel (3) is connected with a single driving device.
4. A small-turning-radius industrial vehicle according to claim 1 or 2, characterized in that: the two vehicle legs (21) are located on the outer side of the pallet fork (6), and the extending direction of the vehicle legs (21) is parallel to the extending direction of the pallet fork (6).
5. A small-turning-radius industrial vehicle according to claim 1 or 2, characterized in that: and auxiliary supporting wheels (5) are arranged on the vehicle legs (21) and positioned on one side of the driving wheel (4) far away from the steering wheel (3).
6. A small turning radius industrial vehicle according to claim 5, characterized in that: the auxiliary supporting wheels (5) are universal wheels.
7. A small-turning-radius industrial vehicle according to claim 1 or 2, characterized in that: the fork (6) is connected to a movable portal (7), and the movable portal (7) can move relative to the vehicle body (1) by means of a pushing device (8).
8. A small turning radius industrial vehicle according to claim 7, characterized in that: the pushing-out direction of the movable door frame (7) is parallel to the extending direction of the vehicle legs (21), one end of the pushing-out device (8) is connected to the pushing-out movable door frame (7), and the other end of the pushing-out device is connected to the vehicle body (1).
9. A small turning radius industrial vehicle according to claim 8, characterized in that: the vehicle legs (21) are provided with tracks for the movable door frame (7) to slide.
10. A small turning radius industrial vehicle according to claim 9, characterized in that: and a lifting device (9) for pulling the fork (6) to lift is further arranged on the movable portal frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142422.6A CN106744526B (en) | 2017-03-10 | 2017-03-10 | Small turning radius industrial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142422.6A CN106744526B (en) | 2017-03-10 | 2017-03-10 | Small turning radius industrial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106744526A CN106744526A (en) | 2017-05-31 |
| CN106744526B true CN106744526B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142422.6A Active CN106744526B (en) | 2017-03-10 | 2017-03-10 | Small turning radius industrial vehicle |
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| CN (1) | CN106744526B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487738A (en) * | 2017-06-23 | 2017-12-19 | 安徽维麦重工股份有限公司 | A kind of fork truck of high stability |
| CN107856695B (en) * | 2017-10-23 | 2019-06-04 | 东华大学 | A kind of annular shuttle active steering apparatus adapting to different orbit radius |
| CN108622823A (en) * | 2018-07-27 | 2018-10-09 | 苏州海豚之星智能科技有限公司 | A kind of mini carriers of unmanned AGV |
| CN109264631A (en) * | 2018-10-29 | 2019-01-25 | 诺力智能装备股份有限公司 | Width suitable for industrial vehicle pitches general vehicle frame |
| CN109572856A (en) * | 2019-01-22 | 2019-04-05 | 诺力智能装备股份有限公司 | A kind of tight turn radius walking structure suitable for industrial vehicle |
| DE102019102182A1 (en) * | 2019-01-29 | 2020-07-30 | Jungheinrich Aktiengesellschaft | Industrial truck with a multi-wheel chassis |
| CN111776990A (en) * | 2020-07-08 | 2020-10-16 | 合肥井松智能科技股份有限公司 | Unmanned carrying automatic guided vehicle and guiding method thereof |
| CN112141956B (en) * | 2020-09-16 | 2022-02-11 | 中建材创新科技研究院有限公司 | Positioning system and method of laser navigation forklift |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125142Y (en) * | 2007-10-29 | 2008-10-01 | 杭州浙力叉车有限公司 | Front loading type forklift gantry mounting shift apparatus |
| CN201896055U (en) * | 2010-12-13 | 2011-07-13 | 浙江诺力机械股份有限公司 | Self-elevating stacking vehicle |
| CN103204448B (en) * | 2013-03-25 | 2015-04-15 | 浙江诺力机械股份有限公司 | Piling car with rotatable pallet fork |
| CN203568784U (en) * | 2013-11-20 | 2014-04-30 | 无锡市明珠烤漆厂 | Short-wheel-base balancing weight type stacking truck |
| CN205061482U (en) * | 2015-09-30 | 2016-03-02 | 浙江上加机械有限公司 | All -electric carrier |
| CN205555981U (en) * | 2016-03-07 | 2016-09-07 | 诺力机械股份有限公司 | Electronic tray truck structure of little turning radius |
| CN105584956A (en) * | 2016-03-07 | 2016-05-18 | 浙江诺力机械股份有限公司 | Small-turning-radius electric tray truck structure |
| CN206606990U (en) * | 2017-03-10 | 2017-11-03 | 诺力机械股份有限公司 | A kind of tight turn radius industrial vehicle |
-
2017
- 2017-03-10 CN CN201710142422.6A patent/CN106744526B/en active Active
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| CN106744526A (en) | 2017-05-31 |
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Address after: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Applicant after: NOBLELIFT INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Applicant before: NOBLELIFT EQUIPMENT JOINT STOCK Co.,Ltd. |
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