CN212862904U

CN212862904U - Grain conveying trolley

Info

Publication number: CN212862904U
Application number: CN202021858030.3U
Authority: CN
Inventors: 王录民; 袁庆利; 许启铿; 揣君; 毛广卿; 刘永超; 赵小勇
Original assignee: Zhengzhou Gongda Grain Security Technology Co ltd
Current assignee: Zhengzhou Gongda Grain Security Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-02
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a grain conveying trolley, be provided with grain conveying mechanism including the bottom dolly frame that is provided with running gear, be provided with grain conveying mechanism on the dolly frame, running gear includes two pairs at least walking wheels, and each walking wheel all includes left side walking wheel and the right side walking wheel of controlling interval arrangement, each walking wheel through the axis of rotation along the rotation connection structure that the upper and lower direction extends with the dolly frame rotates to be connected, is provided with the steering drive mechanism that the left side walking wheel and the right side walking wheel of drive each in walking wheel turned to in step on the dolly frame. The utility model provides a turn to convenient grain conveying trolley.

Description

Grain conveying trolley

Technical Field

The utility model relates to a grain conveying trolley in the grain conveying field.

Background

In the field of grain transportation, it is often necessary to transport grains from one location to another, for example, in the last step of grain storage, grains are uniformly transported to various locations of a grain bin, and a grain transportation trolley is usually used.

The existing grain conveying trolley comprises a trolley frame provided with traveling wheels, a grain conveying mechanism is arranged on the trolley frame, the grain conveying mechanism is generally a conveying belt, when the grain conveying trolley is used, the grain conveying trolley is moved into a grain bin, one end of the grain conveying mechanism is provided with a beam, the grain conveying mechanism conveys grains to the corresponding position of the grain bin, when the grain conveying position needs to be changed, the grain conveying trolley needs to be rotated, in order to convey the grains to a farther place, the grain conveyor generally has a long length, and the direction of the grain conveying trolley needs to be frequently changed in the using process, so that the conveying direction of the grain conveying mechanism needs to be changed, the processes of moving the grain conveying trolley into the grain bin and moving the grain conveying trolley out of the grain bin need to involve grain conveying trolley reversing for many times, in the prior art, the steering of the grain conveying trolley can be realized only by moving the trolley frame, the turning radius of the grain conveying trolley is larger, and the length of the grain conveying mechanism on the trolley frame is longer, so that the grain conveying trolley is inconvenient to turn.

Disclosure of Invention

An object of the utility model is to provide a turn to convenient grain conveying trolley.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a grain conveying trolley comprises a trolley frame, wherein a walking mechanism is arranged at the bottom of the trolley frame, a grain conveying mechanism is arranged on the trolley frame, the walking mechanism comprises at least two pairs of walking wheels, each pair of walking wheels comprises a left walking wheel and a right walking wheel which are arranged at intervals left and right, each walking wheel is in rotating connection with the trolley frame through a rotating connection structure, the rotating connection structure extends along the vertical direction through a rotating axis, and a steering driving mechanism for driving the left walking wheel and the right walking wheel in each pair of walking wheels to synchronously steer is arranged on the trolley frame.

The walking wheels are arranged at the front end and the rear end of the trolley frame.

Each walking wheel is connected with a walking driving mechanism for driving the corresponding walking wheel to rotate and walk.

The traveling wheel driving mechanism comprises a hydraulic hub motor arranged at the center of the corresponding traveling wheel.

The rotation connecting structure comprises a bogie with a rotation axis extending along the up-down direction, walking wheels are rotatably assembled on the bogie, a steering driving mechanism comprises a worm wheel fixedly connected with the corresponding bogie in a coaxial line mode and a worm in meshing transmission with the worm wheel, the steering driving mechanism further comprises a hydraulic steering motor connected with the corresponding worm in a transmission mode, and the hydraulic steering motor and the walking wheels are arranged in a one-to-one correspondence mode.

The trolley frame is also provided with a steering angle encoder for detecting the steering rotation angle of the corresponding walking wheel.

The grain conveying trolley further comprises a hydraulic system, the hydraulic system comprises a hydraulic oil tank, a motor and a battery, the battery is connected with the motor in a power supply mode, a hydraulic pump connected with the motor in a transmission mode is arranged on the hydraulic oil tank, and the hydraulic oil tank is connected with the hydraulic steering motor through an oil way.

The motor and the hydraulic oil tank are arranged at the bottom of the trolley frame, the grain conveying mechanism comprises a conveying arm and a conveying belt arranged on the conveying arm, and the battery is arranged at the tail end of the conveying arm.

The utility model has the advantages that: the utility model discloses in, the left walking wheel and the right walking wheel in each walking wheel correspond again turn to actuating mechanism drive and turn to in step, that is to say need not to turn to in the grain transport trolley motion process, grain transport trolley can be under the motionless condition, realize turning to of corresponding walking wheel through turning to actuating mechanism, the radius that turns to of grain transport trolley reduces greatly, grain transport trolley turns to more conveniently, even grain transport mechanism is bulky, long length, also can make grain transport trolley's removal more nimble.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a schematic view of the travel wheel of FIG. 1 in cooperation with a rotational connection and a steering drive mechanism;

fig. 5 is a perspective view of fig. 4.

Detailed Description

The utility model discloses well grain delivery wagon's embodiment is shown in figure 1~ 5: including the bottom be provided with running gear's dolly frame 1, be provided with grain conveying mechanism 15 on the dolly frame, grain conveying mechanism in this embodiment includes transport arm 16 and sets up the conveyer belt on transport arm, and during the use, grain can be carried to other one end by the one end of conveyer belt to carry grain to the assigned position.

The travelling mechanism comprises two pairs of travelling wheels, the two pairs of travelling wheels are respectively arranged at the front end and the rear end of the trolley frame and a front travelling wheel pair 6 and a rear travelling wheel pair 14, each pair of travelling wheels comprises a left travelling wheel and a right travelling wheel which are arranged at intervals left and right, each travelling wheel is rotatably connected with the trolley frame through a rotating connection structure of which the rotating axis extends along the vertical direction, the rotating connection structure comprises a bogie 3 of which the rotating axis extends along the vertical direction, the travelling wheels are rotatably assembled on the corresponding bogie 3, the upper end of the bogie is rotatably matched with the trolley frame through a bearing, and the trolley frame is provided with a steering driving mechanism for driving the left travelling wheel and the right travelling wheel in each pair of travelling wheels to synchronously steer. Each walking wheel is connected with a walking driving mechanism for driving the corresponding walking wheel to rotate and walk, and the walking driving mechanism comprises a hydraulic hub motor 4 arranged at the central position of the corresponding walking wheel. Item 5 in the drawing indicates a hub flange.

The steering driving mechanism comprises a worm wheel fixedly connected with the corresponding bogie in a coaxial line mode, a worm 2 in meshing transmission with the worm wheel, and a hydraulic steering motor 13 in transmission connection with the corresponding worm, wherein the hydraulic steering motor and the walking wheels are arranged in a one-to-one correspondence mode. The trolley frame is also provided with a steering angle encoder 17 for detecting the steering rotation angle of the corresponding walking wheel. Item 18 in the figure represents the housing of the worm gear.

The grain conveying trolley further comprises a hydraulic system, the hydraulic system comprises a hydraulic oil tank 7, a motor and a battery 12 connected with the motor in a power supply mode, a hydraulic pump 11 connected with the motor in a transmission mode is arranged on the hydraulic oil tank, and the hydraulic oil tank is connected with a hydraulic steering motor through an oil way. The hydraulic oil tank, the motor and the hydraulic pump are all fixed on the lower side of the trolley frame, the grain conveying mechanism is located on the upper side of the trolley frame, the battery 12 is arranged at the tail end of the conveying arm, and the weight of the battery is used as the balance weight of the conveying arm, so that the conveying arm can be balanced. Item 9 in the figure represents a control cabinet; item 10 represents a radiator provided in series in the hydraulic system.

When the hydraulic wheel hub motor works, the battery supplies power to the motor, the motor drives the hydraulic pump to work to generate oil pressure, the hydraulic oil pumped out by the hydraulic pump reaches the valve table 8 through the oil pipe, the oil quantity is controlled by the valve table to be sent to the hydraulic wheel hub motor, and the hydraulic wheel hub motor drives the corresponding travelling wheels to rotate so as to realize advancing or retreating. When the steering is needed, the oil quantity is controlled by the valve table to be delivered to the corresponding hydraulic steering motor, the hydraulic steering motor drives the corresponding worm to rotate, the corresponding steering frame is driven to rotate through the meshing of the worm and the corresponding worm wheel, 360-degree free rotation can be realized through the worm wheel, the steering of the corresponding walking wheels is realized, the rotating angle is determined by the value of the steering angle encoder, when the steering is needed in situ, all walking wheels in two pairs of walking wheels are all synchronously steered, when the steering is needed in the driving process, two walking wheels in the same pair of walking wheels are synchronously steered, through the active steering of all the walking wheels, the steering radius of the grain conveying trolley can be reduced, the steering is more flexible and convenient, the grain conveying mechanism with longer matching length is very suitable for being used inside a grain bin.

In other embodiments of the present invention: the walking driving mechanism and the steering driving mechanism can be not hydraulic driving mechanisms, for example, a hub motor is directly arranged in the corresponding walking wheel to drive the corresponding walking wheel to walk, and the steering of the corresponding walking wheel is realized through a steering motor; the number of the pairs of the walking wheels can be three, four or more according to the bearing requirement; the walking driving mechanism can be omitted, and the grain conveying trolley can be dragged by other vehicles to walk at the moment; the hydraulic system is not part of the technical scheme of the grain conveying trolley, for example, when the grain conveying trolley is used, a user is additionally provided with a mobile pump station, and hydraulic power is provided for the walking driving mechanism and the steering driving mechanism through the mobile pump station; the grain conveying mechanism may be other mechanism forms capable of realizing grain conveying instead of a belt type conveying mechanism, for example, the grain conveying mechanism is a bucket or other mechanism forms capable of realizing grain conveying.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a grain conveying trolley, is provided with running gear's dolly frame including the bottom, is provided with grain conveying mechanism on the dolly frame, its characterized in that: the travelling mechanism comprises at least two pairs of travelling wheels, each pair of travelling wheels comprises a left travelling wheel and a right travelling wheel which are arranged at intervals from left to right, each travelling wheel is rotationally connected with the trolley frame through a rotating connection structure with a rotating axis extending along the vertical direction, and the trolley frame is provided with a steering driving mechanism for driving the left travelling wheel and the right travelling wheel in each pair of travelling wheels to synchronously steer.

2. The grain conveying trolley according to claim 1, wherein: the walking wheels are arranged at the front end and the rear end of the trolley frame.

3. The grain conveying trolley according to claim 1, wherein: each walking wheel is connected with a walking driving mechanism for driving the corresponding walking wheel to rotate and walk.

4. The grain conveying trolley according to claim 3, wherein: the traveling wheel driving mechanism comprises a hydraulic hub motor arranged at the center of the corresponding traveling wheel.

5. The grain conveying trolley according to any one of claims 1 to 4, characterized in that: the rotation connecting structure comprises a bogie with a rotation axis extending along the up-down direction, walking wheels are rotatably assembled on the bogie, a steering driving mechanism comprises a worm wheel fixedly connected with the corresponding bogie in a coaxial line mode and a worm in meshing transmission with the worm wheel, the steering driving mechanism further comprises a hydraulic steering motor connected with the corresponding worm in a transmission mode, and the hydraulic steering motor and the walking wheels are arranged in a one-to-one correspondence mode.

6. The grain conveying trolley according to claim 5, wherein: the trolley frame is also provided with a steering angle encoder for detecting the steering rotation angle of the corresponding walking wheel.

7. The grain conveying trolley according to claim 5, wherein: the grain conveying trolley further comprises a hydraulic system, the hydraulic system comprises a hydraulic oil tank, a motor and a battery, the battery is connected with the motor in a power supply mode, a hydraulic pump connected with the motor in a transmission mode is arranged on the hydraulic oil tank, and the hydraulic oil tank is connected with the hydraulic steering motor through an oil way.

8. The grain conveying trolley according to claim 7, wherein: the motor and the hydraulic oil tank are arranged at the bottom of the trolley frame, the grain conveying mechanism comprises a conveying arm and a conveying belt arranged on the conveying arm, and the battery is arranged at the tail end of the conveying arm.