Rotary RGV trolley
By designing tracks, finite parts, racks and rotary wheels on RGV trolleys, low-altitude in-situ slewing and electric lane change are achieved, solving the problem of large and slewing difficulties in the existing technology, and improving the space utilization rate and automation level.
Patent Information
- Application Number
- CN202420648725.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-01
AI Technical Summary
When existing RGV cars realize turning lane change and in-place rotation, they take up a large space, making it difficult to achieve low-altitude rotation without digging holes, and it is difficult to electric lane change into lane division.
A rotary RGV cart was designed, using tracks, finite parts, sliding contact lines, racks and rotary dials, combined with a rotary drive reducer motor and current collector arm to realize in-situ slewing and electric lane change, through the rotary work station and intermittent track design to ensure low slewing height and automated operation.
In-situ slewing is achieved to save space than turning lane changes, low slewing height, avoid digging of pits, improve space utilization and automation, support straight driving and mid-way lane changes, and improve processing capacity and flexibility.
Smart Images
Figure CN222347956U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of warehousing and logistics, in particular to a rotary RGV trolley. Background Art
[0002] The RGV car is an unmanned automatic vehicle that can achieve efficient, safe and autonomous movement and transportation in various environments. The RGV car adopts advanced wireless communication technology, sensor technology and automatic control technology, which can be seamlessly connected with the production process, providing flexible and efficient solutions for production automation. The RGV car has a compact and beautiful appearance design and can be customized according to different needs. It uses high-performance motors and wheels, and has the advantages of high speed, high precision and high load-bearing capacity. At the same time, the RGV car is also equipped with a variety of sensors that can sense the surrounding environment and achieve autonomous navigation and obstacle avoidance. The RGV car is suitable for various industries, such as manufacturing, logistics, healthcare, etc. It can transport items on busy production lines, reduce labor costs and improve production efficiency; it can also replace human work in dangerous environments to improve work safety.
[0003] The existing RGV cart adopts advanced motors and wheels, which can achieve high-speed, high-precision and high-load-carrying capacity movement. Although the RGV cart in the existing technology can realize turning and changing lanes, it occupies a large space. Although it can realize on-the-spot rotation, it is difficult to realize low-height rotation without digging a pit. Although it can realize on-the-spot rotation, it is difficult to realize electric lane change and enter the lane, and there are certain limitations in use.
[0004] Therefore, it is necessary to provide a rotary RGV trolley to solve the above-mentioned technical problems. Utility Model Content
[0005] The utility model aims to provide a rotary RGV trolley to solve the problems that the RGV trolley in the prior art can realize turning and changing lanes, but occupies a large space; although it can realize rotation in situ, it is difficult to realize low-height rotation without digging a pit; although it can realize rotation in situ, it is difficult to realize electric lane change and drive into the lane.
[0006] To achieve the above-mentioned purpose, the utility model solves the above-mentioned technical problems as follows: a rotating RGV trolley, comprising a track, an RGV trolley is slidably arranged on the track, limiting parts are arranged on both sides of the RGV trolley, a bus bar is arranged on one side of the track, a gear rack and a turntable that cooperate with each other to drive the RGV trolley to turn are arranged in the track, a collector arm is arranged on one side of the RGV trolley, a rotary drive reduction motor that drives the turntable is arranged on one side of the track, and a collector arm is arranged in the track.
[0007] As a further solution of the utility model, a track of a rotary station is installed on the turntable, and the RGV trolley and the track of the rotary station rotate integrally on the turntable.
[0008] As a further solution of the utility model, the turntable is specifically a welding platform.
[0009] As a further solution of the utility model, the track of the rotary station specifically adopts a forward 45° guide end cover, and the collector arm specifically adopts an extended brush.
[0010] As a further solution of the utility model, the track is of discontinuous type, the track of the rotary station is disconnected from the main line track, and a certain gap is left at the joint.
[0011] As a further solution of the utility model, the RGV trolley adopts eight wheels to fall on the travel track to carry the vehicle body and the workpiece.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: turning in place saves more distance than turning and changing lanes than the distance between the front and rear wheels; the rack and pinion slewing support realizes the lowest possible slewing height, avoids digging pits, effectively improves space utilization, does not require manual pushing, and is electrically driven to separate lanes, with a high degree of automation. The eight wheels are weighed and driven on the track, and the operation is stable, avoiding bumps and jams caused by the docking gap; the utility model can realize straight-line driving and turning in place midway to change lanes, which can be used for changing lanes and also for changing lanes to enter the maintenance station. The rotating platform in the middle of the track allows operators to safely access the goods and is also convenient for maintenance. It can be used for changing lanes midway and for turning midway to enter the maintenance station, further increasing the processing capacity. The in-and-out processing capacity is more flexible than before, and lanes can be changed in a compact space, and the rotation height is relatively low. There is no need to dig pits or only shallow pits are dug, which makes full use of the space and minimizes damage to the workshop floor. Efficient collaboration and network operation. It has high scalability and flexibility; the combination of different types of equipment can realize various intelligent applications such as whole and part goods picking, temporary storage of goods, and rapid replenishment. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the local structure of the turntable of the utility model.
[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0017] 1. RGV trolley; 2. Track; 3. Limiting piece; 4. Busbar; 5. Forward 45° guide end cover; 6. Gear rack; 7. Rotary drive reduction motor; 8. Collector arm; 9. Rotary plate. DETAILED DESCRIPTION
[0018] The utility model is further described below in conjunction with embodiments.
[0019] See also Figure 1-2 The utility model provides a rotary RGV trolley, including a track 2, on which an RGV trolley 1 is slidably arranged, limit members 3 are arranged on both sides of the RGV trolley 1, a busbar 4 is arranged on one side of the track 2, a gear rack 6 and a turntable 9 that cooperate with each other to drive the RGV trolley 1 to turn are arranged in the track 2, a collector arm 8 is arranged on one side of the RGV trolley 1, a slewing drive reduction motor 7 that drives the turntable 9 is arranged on one side of the track 2, and a collector arm 8 is arranged in the track 2; in order to realize that the busbar 4 can run straightly from the initial position to the end point and change lanes at a fixed midway position, a design of a slewing station with a track 2 is adopted to ensure that after rotating in situ, the RGV trolley 1 can automatically leave the slewing station and enter the lane electrically; in order to realize a low slewing height, a gear rack 6 is adopted for bottom rotation, and a slewing support is adopted for the gear. If cost is not considered, a custom-made slewing support can be considered, and the gear part is made into a synchronous pulley to realize synchronous belt transmission. The utility model adopts a deceleration three-phase servo motor to rotate, with large torque transmission, and adopts a transition gear to drive another drive shaft, with high walking accuracy. The RGV trolley 1 adopts two-axle four-wheel drive at the same end and four-wheel travel at the other end. A slewing gap is left in the middle of the track 2 to ensure smooth driving without jamming; four holding wheels at both ends of one side ensure that the trolley still holds the guide rail when it travels to the docking gap to prevent the RGV trolley 1 from leaving the track 2. The gear rack 6 slewing support realizes the lowest possible slewing height to avoid digging pits.
[0020] Further as Figure 1 and Figure 2 As shown, it is worth explaining in detail that the turntable 9 is equipped with a track 2 of a turntable station, and the RGV trolley 1 and the track 2 of the turntable station rotate integrally on the turntable 9; in order to realize rotation in situ, the track 2 is installed on the turntable 9, and the RGV trolley 1 and the track 2 rotate integrally on the turntable 9;
[0021] Further as Figure 2 As shown, it is worth explaining in detail that, in order to realize that the rotating disk 9 has a large weighing load, the rotating disk 9 adopts a welding platform or a casting platform structure.
[0022] Further as Figure 1As shown, it is worth explaining in detail that the track 2 of the rotary station specifically adopts a forward 45° guide end cover 5, and the collector arm 8 specifically adopts an extended brush; in order to achieve the docking of the busbar 4, the busbar 4 of the rotary station adopts a forward 45° guide end cover 5, and the collector arm 8 adopts an extended brush to ensure smooth power supply under the premise of reserving a certain rotation gap.
[0023] Further Figure 1 and Figure 2 As shown, it is worth explaining in detail that the track 2 is of intermittent type, the track 2 of the rotary station is disconnected from the main line track 2, and a certain gap is left at the joint; in order to realize rotation in situ, the track 2 is of intermittent type, the track 2 of the rotary station is disconnected from the main line track 2, and a certain gap is left at the joint to ensure sufficient rotation space.
[0024] Further Figure 1 As shown, it is worth explaining in detail that the RGV trolley 1 uses eight wheels to fall on the travel track to carry the vehicle body and the workpiece; to ensure smooth docking, the RGV trolley 1 uses eight wheels to fall on the travel track 2 to carry the vehicle body and the workpiece, to ensure that when a pair of coaxial travel wheels fall in the gap, a group of close travel wheels support their weight and run smoothly without bumps, jams, and wheel sticking, to ensure that the RGV trolley 1 does not deviate from the track; a reduction motor is directly connected to a drive shaft, and drives another drive shaft through a transition gear, to ensure that when the travel wheels at both ends of one of the drive shafts fall in the gap, the other drive shaft still has a driving function.
[0025] In summary: the design of the rotary station with its own track 2 is adopted to ensure that after rotating in place, the RGV trolley 1 can automatically leave the rotary station and enter the lane electrically. In order to achieve a low rotation height, the bottom rotation adopts a gear rack 6, and the gear adopts a slewing support. If the cost is not considered, it can be considered to customize the slewing support, and the gear part is made into a synchronous pulley to realize synchronous belt transmission. The utility model adopts a reduction three-phase servo motor to rotate, which has a large torque transmission. At the same time, it adopts a transition gear to drive another drive shaft, and the walking accuracy is high. The RGV trolley 1 adopts the same end two-axis four-wheel drive and the other end four-wheel walking. There is a rotation gap in the middle of the track 2 to ensure smooth driving without jamming; four holding wheels at both ends of one side ensure that the trolley still holds the guide rail when it drives to the docking gap to prevent the RGV trolley 1 from leaving the track 2. The gear rack 6 slewing support achieves the lowest possible rotation height to avoid digging pits.
Claims
1. A rotary RGV trolley, comprising a track (2), characterized in that: An RGV trolley (1) is slidably arranged on the track (2), and limit members (3) are arranged on both sides of the RGV trolley (1), a busbar (4) is arranged on one side of the track (2), a gear rack (6) and a turntable (9) are arranged in the track (2) for driving the RGV trolley (1) to turn in cooperation with each other, a collector arm (8) is arranged on one side of the RGV trolley (1), a rotary drive reduction motor (7) for driving the turntable (9) is arranged on one side of the track (2), and a collector arm (8) is arranged in the track (2).
2. The rotary RGV trolley according to claim 1, characterized in that: The turntable (9) is provided with a track (2) of a turntable station, and the RGV trolley (1) and the track (2) of the turntable station rotate integrally on the turntable (9).
3. The rotary RGV trolley according to claim 2, characterized in that: The rotating disk (9) is specifically a welding platform.
4. The rotary RGV trolley according to claim 2, characterized in that: The track (2) of the rotary station specifically adopts a forward 45° guide end cover (5), and the collector arm (8) specifically adopts an extended brush.
5. The rotary RGV trolley according to claim 4, characterized in that: The track (2) is of discontinuous type, the track (2) of the rotary station is disconnected from the main line track (2), and a certain gap is left at the joint.
6. The rotary RGV trolley according to claim 1, characterized in that: The RGV trolley (1) uses eight wheels to land on a travel track (2) to carry the vehicle body and workpieces.