CN217806949U - Rotary reversing mechanism of four-way RGV vehicle - Google Patents
Rotary reversing mechanism of four-way RGV vehicle Download PDFInfo
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- CN217806949U CN217806949U CN202221621917.XU CN202221621917U CN217806949U CN 217806949 U CN217806949 U CN 217806949U CN 202221621917 U CN202221621917 U CN 202221621917U CN 217806949 U CN217806949 U CN 217806949U
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Abstract
The utility model discloses a rotary reversing mechanism of a four-way RGV vehicle, which comprises a wheel component, a reversing mechanism and a reversing mechanism, wherein the wheel component is arranged below a vehicle body and is used for installing wheels and fixing the wheels at the bottom of the vehicle frame; the oil cylinder base is arranged below the vehicle body and used for installing an oil cylinder; the rotating assembly is arranged between the oil cylinder base and the wheel assembly and is used for driving the wheel assembly to realize the reversing within the range of 90 degrees; the driving assembly is arranged on one side of the wheel assembly and is used for driving the wheel to rotate; the utility model discloses a fixed stroke promotion wheel link of piston rod in the straight line hydro-cylinder swings in 90 degrees, and this rotary drive mode is more reliable and more stable, can improve the stability that the dolly commutates on the track greatly, and the integration is equipped with drive assembly, can provide drive power for single wheel, realizes four-wheel drive, and it is better to grab rail ability, and the structural framework is more simple, adapts the transport condition of heavy load; and a front drive or a rear drive can be built through the transmission shaft, the light-load and medium-load transportation conditions are adapted, and the energy is relatively saved.
Description
Technical Field
The utility model belongs to the technical field of RGV dolly auxiliary technical field and specifically relates to a rotation reversing mechanism of quadriversal RGV vehicle.
Background
The RGV trolley is also called a rail shuttle trolley and can be used for warehouses with various high-density storage modes, the trolley channel can be designed to be arbitrarily long, the storage capacity of the whole warehouse can be improved, and a forklift is not required to drive into a roadway during operation, so that the safety of the rail shuttle trolley is higher.
When the existing RGV trolley travels and is transported on the rail, the existing RGV trolley generally travels in a one-way reciprocating manner; the application provides a rotary reversing mechanism for an RGV trolley, so that the flexibility and the transportation convenience of the rail trolley are improved, and the four-way movement during rail transportation is realized.
SUMMERY OF THE UTILITY MODEL
This application provides a rotation reversing mechanism of four-way RGV vehicle rational in infrastructure to the shortcoming among the above-mentioned prior art to make can realize the switching-over of the 90 degrees within ranges on the track after the RGV dolly is equipped with, this switching-over mode realizes 90 degrees interval fixed swings, and is more reliable through the fixed formation of straight line hydro-cylinder.
The utility model discloses the technical scheme who adopts as follows:
a rotary reversing mechanism for a four-way RGV vehicle, comprising:
the wheel assembly is arranged below the vehicle body and used for mounting wheels and fixing the wheels at the bottom of the vehicle frame;
the oil cylinder base is arranged below the vehicle body and used for mounting an oil cylinder;
the rotating assembly is arranged between the oil cylinder base and the wheel assembly and is used for driving the wheel assembly to realize the reversing within the range of 90 degrees;
and the driving assembly is arranged on one side of the wheel assembly and is used for driving the wheel to rotate.
Further, the wheel assembly comprises a wheel fixing frame and a wheel connecting frame, the wheel fixing frame is embedded in the vehicle body, the wheel connecting frame is arranged below the wheel fixing frame, relative rotation is achieved between the wheel fixing frame and the wheel connecting frame through a rotating shaft, and a wheel is arranged at the horizontal center of the lower portion of the wheel connecting frame in a rotating mode through a wheel shaft.
Furthermore, the rotating assembly comprises a first hinged support arranged on the side face of the oil cylinder seat, a second hinged support arranged on the side face of the wheel connecting frame and a linear oil cylinder, wherein one end of the linear oil cylinder is connected to the first hinged support, and the driving end of the other end of the linear oil cylinder is connected to the second hinged support.
Furthermore, the first hinged support and the second hinged support are arranged at the same horizontal height.
Furthermore, the driving assembly comprises a chain wheel frame arranged on the front side of the wheel connecting frame, a driven chain wheel is arranged on a wheel shaft, a driving chain wheel is arranged on the chain wheel frame, and chain transmission is realized between the driven chain wheel and the driving chain wheel; the rotation center of the driving chain wheel is provided with a transmission shaft, and one side of the transmission shaft realizes single-wheel driving motion by arranging a coupler and a driving piece.
The utility model has the advantages as follows:
1. the wheel connecting frame is pushed to swing within the range of 90 degrees through the fixed stroke of the piston rod in the linear oil cylinder, the rotary driving mode is more stable and reliable, the reversing stability of the trolley on the rail can be greatly improved, and convenience is provided for trolley transportation.
2. The integrated driving assembly can provide driving force for a single wheel, four-wheel drive is realized, rail grabbing capacity is better, the structural frame is simpler, and the integrated driving assembly is suitable for heavy-load transportation conditions; and the front drive or the rear drive can be constructed through the transmission shaft, the light load and medium load transportation conditions are adapted, and the energy is relatively saved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of the present invention in a normal state;
fig. 4 is a schematic diagram of the state after the direction change of the present invention.
Wherein: 1. a wheel assembly; 2. an oil cylinder base; 3. a rotating assembly; 4. a drive assembly; 11. a wheel fixing frame; 12. a wheel connecting frame; 13. a rotating shaft; 14. a wheel shaft; 31. a first hinge support; 32. a second hinge support; 33. a linear oil cylinder; 41. a sprocket frame; 44. a coupling is provided.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described.
The following describes embodiments of the present invention with reference to the drawings.
A rotary reversing mechanism for a four-way RGV vehicle as shown in fig. 1, 2, 3 and 4, comprising:
the wheel assembly 1 is arranged below the vehicle body and used for mounting wheels and fixing the wheels at the bottom of the vehicle frame;
the oil cylinder base 2 is arranged below the vehicle body and used for installing an oil cylinder; in this embodiment, the linear cylinder 33 is adopted, and the rotation principle thereof is as follows: the fixed reciprocating stroke of the linear oil cylinder 33 drives the wheel connecting frame 12 to swing within a 90-degree range, so that the wheels rotate within the 90-degree range; in other words, a wheel-fixed steering in two relatively perpendicular directions is achieved.
The rotating assembly 3 is arranged between the oil cylinder base 2 and the wheel assembly 1 and is used for driving the wheel assembly 1 to realize the reversing within the range of 90 degrees;
the driving assembly 4 is arranged on one side of the wheel assembly 1 and is used for driving the wheel to rotate, and as one embodiment, the driving movement of a single wheel can be realized; as another embodiment, a group of wheel transmissions on the same side can be realized by additionally arranging the rotating shaft 13;
the wheel assembly 1 comprises a wheel fixing frame 11 and a wheel connecting frame 12, the wheel fixing frame 11 is embedded in the vehicle body, the wheel connecting frame 12 is arranged below the wheel fixing frame 11, and the wheel fixing frame 11 and the wheel connecting frame 12 rotate relative to each other through a rotating shaft 13, so that the wheel connecting frame 12 can be driven to rotate through the rotating assembly 3; the lower horizontal center of the wheel connecting frame 12 is rotatably provided with wheels through a wheel shaft 14.
The rotating assembly 3 comprises a first hinged support 31 arranged on the side surface of the oil cylinder base 2, a second hinged support 32 arranged on the side surface of the wheel connecting frame 12 and a linear oil cylinder 33, wherein one end of the linear oil cylinder 33 is connected with the first hinged support 31, and the driving end of the other end of the linear oil cylinder 33 is connected with the second hinged support 32.
The first hinge support 31 and the second hinge support 32 are disposed at the same horizontal height, so that the linear driving of the linear cylinder 33 is stable and reliable.
The driving assembly 4 comprises a chain wheel frame 41 arranged on the front side of the wheel connecting frame 12, a driven chain wheel is arranged on the wheel shaft 14, a driving chain wheel is arranged on the chain wheel frame 41, and chain transmission is realized between the driven chain wheel and the driving chain wheel; the rotation center of the driving sprocket is provided with a transmission shaft, and one side of the transmission shaft realizes single-wheel driving motion by arranging a coupler 44 and a driving piece.
The utility model discloses the theory of operation of rotatory switching-over does:
as shown in fig. 1 and 2: the linear oil cylinder 33 in fig. 2 has a piston rod in a home position, and the stroke of the linear oil cylinder 33 is not changed, so that the fixed wheel connecting frame 12 moves in a forward direction; when the wheel direction is changed from the forward direction to the lateral direction, the second hinge support 32 is pushed to drive the wheel frame to rotate, and the wheel direction is changed from the forward direction to the lateral direction.
Example 1 of wheel drive:
the single-wheel driving is realized, namely, the bottom of the trolley can pass through the structure of the four groups of the trolley, the shaft coupling 44 of each group is provided with a servo motor, the single-wheel driving can be realized, the servo motor drives the chain wheel and the chain to move in a transmission way, and the power of the driving chain wheel is transmitted to the driven chain wheel so as to drive the wheels to move; the four servo motors are arranged in a consistent rotating speed mode, in other words, four wheels of the trolley can be driven independently, the mode is strong in rail grabbing capacity during operation on the rail, driving force is stable and reliable, and carrying work of larger load can be achieved under the condition that the strength of the frame is enough.
Embodiment 2 of wheel drive:
the front drive or the rear drive, in other words, the driving force of the trolley can be set to be one of the front drive or the rear drive, four groups are arranged at the bottom of the frame, any group at the front side or the rear side is used as the driven force, and the couplings 44 of the front drive and the rear drive are butted through the transmission shaft; any one group of the front side or the rear side is used as driving force, after the couplings 44 of the front side and the rear side are in butt joint through the transmission shaft, the servo motor is additionally arranged at the bottom of the frame and is in transmission connection with the transmission shaft, so that two wheels on the same side are driven to be used as driving force, and front driving or rear driving is realized; the mode can be applied to the operation requirements of light load and medium load in the rail operation and transportation of the trolley, and has the advantage of relatively saving energy.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (5)
1. A rotary reversing mechanism of a four-way RGV vehicle is characterized in that: the method comprises the following steps:
the wheel assembly (1) is arranged below the vehicle body and used for mounting wheels and fixing the wheels at the bottom of the vehicle frame;
the oil cylinder base (2) is arranged below the vehicle body and used for installing an oil cylinder;
the rotating assembly (3) is arranged between the oil cylinder base (2) and the wheel assembly (1) and is used for driving the wheel assembly (1) to realize the reversing within the range of 90 degrees;
the driving assembly (4) is arranged on one side of the wheel assembly (1) and is used for driving the wheel to rotate.
2. A rotary reversing mechanism for a four-way RGV vehicle according to claim 1, wherein: the wheel assembly (1) comprises a wheel fixing frame (11) and a wheel connecting frame (12), the wheel fixing frame (11) is embedded inside the vehicle body, the wheel connecting frame (12) is arranged below the wheel fixing frame (11), relative rotation is achieved between the wheel fixing frame (11) and the wheel connecting frame (12) through a rotating shaft (13), and a wheel is arranged at the lower horizontal center of the wheel connecting frame (12) in a rotating mode through a wheel shaft (14).
3. A rotary reversing mechanism for a four-way RGV vehicle according to claim 1, wherein: the rotating assembly (3) comprises a first hinged support (31) arranged on the side face of the oil cylinder base (2) and a second hinged support (32) arranged on the side face of the wheel connecting frame (12), and further comprises a linear oil cylinder (33), wherein one end of the linear oil cylinder (33) is connected to the first hinged support (31), and the driving end of the other end of the linear oil cylinder is connected to the second hinged support (32).
4. A rotary reversing mechanism for a four-way RGV vehicle according to claim 3, wherein: the first hinge support (31) and the second hinge support (32) are arranged at the same horizontal height.
5. A rotary reversing mechanism for a four-way RGV vehicle, as claimed in claim 1, wherein: the driving assembly (4) comprises a chain wheel frame (41) arranged on the front side of the wheel connecting frame (12), a driven chain wheel is arranged on the wheel shaft (14), a driving chain wheel is arranged on the chain wheel frame (41), and chain transmission is realized between the driven chain wheel and the driving chain wheel; the rotation center of the driving chain wheel is provided with a transmission shaft, and one side of the transmission shaft realizes single-wheel driving motion by arranging a coupler (44) and a driving piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621917.XU CN217806949U (en) | 2022-06-27 | 2022-06-27 | Rotary reversing mechanism of four-way RGV vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621917.XU CN217806949U (en) | 2022-06-27 | 2022-06-27 | Rotary reversing mechanism of four-way RGV vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217806949U true CN217806949U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221621917.XU Active CN217806949U (en) | 2022-06-27 | 2022-06-27 | Rotary reversing mechanism of four-way RGV vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116750427A (en) * | 2023-08-21 | 2023-09-15 | 宁波用躬科技有限公司 | Transportation equipment, using method thereof and mobile trolley |
-
2022
- 2022-06-27 CN CN202221621917.XU patent/CN217806949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116750427A (en) * | 2023-08-21 | 2023-09-15 | 宁波用躬科技有限公司 | Transportation equipment, using method thereof and mobile trolley |
| CN116750427B (en) * | 2023-08-21 | 2023-12-01 | 宁波用躬科技有限公司 | Transportation equipment, using method thereof and mobile trolley |
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