Shuttle vehicle
By adopting the rocker arm structure and drive parts in the shuttle vehicle, the problem of hard work, durability and poor stability of the shuttle vehicle lifting mechanism in the prior art is solved, and simpler, stable and low-cost cargo handling and placement are achieved.
Patent Information
- Application Number
- CN202422005223.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The lifting mechanisms of existing shuttle vehicles mostly use eccentric wheels or screws, which leads to laborious, durable, complex structure, poor stability, high installation accuracy and maintenance costs.
A rocker arm structure is adopted, an opening is provided at the top of the car, and the rocker arm is rotatably connected to the car, and the rocker arm is driven to move through the drive member, so that the support part can extend or retract the opening for transporting or placing goods.
The lifting structure is simplified, the stability of the shuttle vehicle is improved, the installation accuracy and maintenance cost are reduced, and the space is small and the structure is simple.
Smart Images
Figure CN222934503U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of warehousing equipment, in particular to a shuttle car. Background Art
[0002] A shuttle car is a fully automatic rail carrier used in a high-density storage stereoscopic warehouse. In the prior art, the lifting mechanism of the shuttle car mostly uses an eccentric wheel or a lead screw structure to achieve lifting. However, the eccentric wheel is laborious, the lead screw is not durable and has a complex structure, and has high requirements for the ratio of the vehicle body height to the lifting height; at the same time, the stability is poor when carrying goods, and the installation accuracy requirements for the eccentric wheel and the lead screw structure are high, and the maintenance and manufacturing costs are high.
[0003] Therefore, there is an urgent need for a shuttle car to solve the above technical problems. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a shuttle car, which can simplify the lifting structure and improve the stability of the shuttle car.
[0005] To achieve the above object, the utility model adopts the following technical solutions:
[0006] A shuttle car, characterized by comprising:
[0007] A carriage, with an opening provided at the top of the carriage;
[0008] A plurality of rocker arms, the plurality of rocker arms are arranged at intervals in the carriage, and the plurality of rocker arms are rotatably connected to the carriage, and the plurality of rocker arms are all provided with supporting parts;
[0009] A driving member, the driving member is connected to the plurality of rocker arms, and the driving member can drive the plurality of rocker arms to move, so that the plurality of rocker arms can rotate relative to the carriage, and further enable the plurality of supporting parts to extend out of or retract into the opening for carrying or placing goods.
[0010] As a preferred technical solution of the above-mentioned shuttle car, the plurality of rocker arms are arranged in an array, with m rows arranged along the length direction of the carriage and n columns arranged along the length direction of the carriage, and both m and n are integers greater than 1.
[0011] As a preferred technical solution of the above-mentioned shuttle car, the shuttle car further includes n first rotating shafts, the first rotating shafts are rotatably connected to the carriage, and the rocker arms in the same column are all fixedly connected to the first rotating shafts.
[0012] As a preferred technical solution of the above-mentioned shuttle car, the shuttle car further includes m connecting rods, and the rocker arms in the same row are all rotatably connected to the connecting rods.
[0013] As a preferred technical solution of the above-mentioned shuttle vehicle, the driving member is connected to any one of the rocker arms.
[0014] As a preferred technical solution of the above-mentioned shuttle vehicle, the driving member is an electric cylinder.
[0015] As a preferred technical solution of the above-mentioned shuttle vehicle, the shuttle vehicle further includes a connector. One end of the connector is fixedly connected to the driving member, and the other end of the connector is rotatably connected to the rocker arm.
[0016] As a preferred technical solution of the above-mentioned shuttle vehicle, the shuttle vehicle further includes a second rotating shaft. The other end of the connector and the rocker arm are both sleeved on the outer periphery of the second rotating shaft, and the rocker arm can rotate relative to the second rotating shaft.
[0017] As a preferred technical solution of the above-mentioned shuttle vehicle, the supporting portion is provided with a first arc surface, and the first arc surface can abut against the bottom surface of the goods.
[0018] As a preferred technical solution of the above-mentioned shuttle vehicle, when the maximum height of the goods being lifted, the included angle between the extension direction of the line connecting the center of the first arc surface and the center of the first rotating shaft and the vertical direction is 5°.
[0019] Advantages of the present utility model:
[0020] The present utility model provides a shuttle vehicle. The shuttle vehicle includes: a carriage, a plurality of rocker arms and a driving member. An opening is provided at the top of the carriage; the plurality of rocker arms are arranged at intervals inside the carriage, and the plurality of rocker arms are rotatably connected to the carriage. The plurality of rocker arms are all provided with supporting portions; the driving member is connected to the plurality of rocker arms, and the driving member can drive the plurality of rocker arms to move, so that the plurality of rocker arms can rotate relative to the carriage, and further enable the plurality of supporting portions to extend or retract from the opening for carrying or placing goods. Compared with the prior art, the shuttle vehicle enables the supporting portion to extend or retract from the opening by rotating the rocker arm, thereby realizing carrying or placing goods, with small occupied space, simple structure and high stability. Description of the drawings
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present utility model and these drawings.
[0022] Figure 1 It is a top view of the shuttle vehicle provided by the embodiment of the present utility model;
[0023] Figure 2 Structural schematic diagram of the shuttle car provided by the embodiment of the present utility model Figure 1 ;
[0024] Figure 3 Structural schematic diagram of the shuttle car provided by the embodiment of the present utility model Figure 2 ;
[0025] Figure 4 Structural schematic diagram of the rocker arm provided by the embodiment of the present utility model.
[0026] In the figure:
[0027] 1, carriage; 2, rocker arm; 21, first arc surface; 22, second arc surface; 23, third arc surface; 3, driving member; 4, first rotating shaft; 5, connecting rod; 6, connector; 7, second rotating shaft. Specific embodiments
[0028] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that, for the sake of convenience of description, only parts related to the present utility model rather than all structures are shown in the drawings.
[0029] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0030] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.
[0031] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings. They are only for the convenience of description and simplifying the operations, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for differentiation in description and have no special meaning.
[0032] As Figure 1 shown, the present utility model provides a shuttle car. The shuttle car includes: a carriage 1, a plurality of rocker arms 2, and a driving member 3. Specifically, an opening is provided at the top of the carriage 1; the plurality of rocker arms 2 are arranged at intervals inside the carriage 1, and the plurality of rocker arms 2 are rotatably connected to the carriage 1. The plurality of rocker arms 2 are in the same horizontal plane, and each of the plurality of rocker arms 2 is provided with a support portion; the driving member 3 is connected to the plurality of rocker arms 2, and the driving member 3 can drive the plurality of rocker arms 2 to move, so that the plurality of rocker arms 2 can rotate relative to the carriage 1, and further enable the plurality of support portions to extend or retract from the opening, for carrying or placing goods. Compared with the prior art, by rotating the rocker arms 2, the support portions of this shuttle car can extend or retract from the opening, thereby realizing the carrying or placing of goods. It has a small occupied space, a simple structure, and high stability.
[0033] Optionally, the plurality of rocker arms 2 are arranged in an array, with m rows arranged along the length direction of the carriage 1 and n columns arranged along the length direction of the carriage 1. Both m and n are integers greater than 1. Specifically, the plurality of rocker arms 2 are arranged in an array, with m rows evenly spaced along the length direction of the carriage 1 and n columns evenly spaced along the length direction of the carriage 1. With such an arrangement, the contact area between the rocker arms 2 and the bottom of the goods can be increased, the stability of the goods can be improved, and the goods can be prevented from tipping over.
[0034] Furthermore, the shuttle car further includes n first rotating shafts 4. The first rotating shafts 4 are rotatably connected to the carriage 1, and the rocker arms 2 in the same column are all fixedly connected to the first rotating shafts 4. Specifically, both ends of the first rotating shaft 4 are rotatably connected to both sides of the carriage 1. The first rotating shaft 4 is close to the top of the carriage 1. The n first rotating shafts 4 are in the same horizontal plane, and the rocker arms 2 in the same column are all fixedly sleeved on the outer periphery of the first rotating shaft 4, which can enable the rocker arms 2 in the same column to move synchronously.
[0035] Optionally, the shuttle car further includes a plurality of first bearings. Both ends of the first rotating shaft 4 are provided with first bearings. The outer periphery of the first bearing is fixedly connected to the side wall of the carriage 1, and the inner periphery of the first bearing is fixedly sleeved on the outer periphery of the first rotating shaft 4, which can support the rotation of the first rotating shaft 4, reduce the friction coefficient during the movement of the first rotating shaft 4, and ensure the rotation accuracy.
[0036] Further, the shuttle vehicle further includes m connecting rods 5, and the swing arms 2 in the same row are rotatably connected to the connecting rods 5. Specifically, the connecting rods 5 are close to the bottom of the carriage 1, and the m connecting rods 5 are in the same horizontal plane. The swing arms 2 in the same row are connected by the connecting rods 5, enabling the swing arms 2 in the same row to move synchronously, and further realizing the synchronous movement of several swing arms 2.
[0037] Exemplarily, in this embodiment, the shuttle vehicle is provided with four swing arms 2, two first rotating shafts 4 and two connecting rods 5. The four swing arms 2 are arranged in 2 rows along the length direction of the carriage 1 and in 2 columns along the length direction of the carriage 1. The two swing arms 2 in the same column are respectively fixedly sleeved at both ends of the first rotating shaft 4, and the two swing arms 2 in the same row are respectively connected to both ends of the connecting rod 5, capable of supporting the four corners of the goods, enabling the goods to be stably transported and preventing the goods from falling. Of course, in some other embodiments, the number and arrangement of the swing arms 2 are determined according to the actual situation, and the number and connection method of the first rotating shaft 4 and the connecting rod 5 are determined according to the situation of the swing arms 2, which will not be elaborated here.
[0038] Optionally, the driving member 3 is connected to any one of the swing arms 2. Specifically, through the combined action of the first rotating shaft 4 and the connecting rod 5, several swing arms 2 form a whole, and connecting the driving member 3 to any one of the swing arms 2 can realize the synchronous movement of several swing arms 2.
[0039] Optionally, the driving member 3 is an electric cylinder, capable of precisely controlling the rotation angle of the swing arm 2, and further capable of adjusting the lifting height of the goods.
[0040] Optionally, the shuttle vehicle further includes a connector 6. One end of the connector 6 is fixedly connected to the driving member 3, and the other end of the connector 6 is rotatably connected to the swing arm 2, capable of converting the horizontal movement of the driving member 3 into circular motion.
[0041] Optionally, the shuttle vehicle further includes a second rotating shaft 7. The other end of the connector 6 and the swing arm 2 are both sleeved on the outer periphery of the second rotating shaft 7, and the swing arm 2 can rotate relative to the second rotating shaft 7. Further, the shuttle vehicle further includes a second bearing. The outer periphery of the second bearing is fixedly connected to the other end of the connector 6, and the inner periphery of the second bearing is fixedly sleeved on the outer periphery of the second rotating shaft 7, capable of supporting the rotation of the second rotating shaft 7, reducing the friction coefficient during the movement of the second rotating shaft 7, and ensuring the rotational accuracy.
[0042] Optionally, as Figures 2 to 4 shown, the supporting portion is provided with a first arc surface 21, and the first arc surface 21 can abut against the bottom surface of the goods, capable of preventing the bottom surface of the goods from being damaged.
[0043] Optionally, when the height at which the goods are lifted is at its maximum, the included angle between the extension direction of the line connecting the centers of the first arc surface 21 and the first rotating shaft 4 and the vertical direction is 5°. Specifically, when the height at which the goods are lifted is at its maximum, that is, when the output length of the electric cylinder is at its maximum, the included angle between the extension direction of the line connecting the centers of the first arc surface 21 and the first rotating shaft 4 and the vertical direction is θ, where θ = 5°. With this setting, the horizontal component force on the rocker arm 2 can be minimized, thereby minimizing the force on the electric cylinder and maximizing the force on the carriage 1, which can protect the electric cylinder and prevent it from being damaged.
[0044] Optionally, in this embodiment, the rocker arm 2 is of a triangular structure, and the other two corners of the rocker arm 2 are respectively provided with a second arc surface 22 and a third arc surface 23. When the retraction length of the electric cylinder is at its maximum, the rocker arm 2 is located inside the carriage 1, and the included angle between the extension direction of the line connecting the centers of the second arc surface 22 and the third arc surface 23 and the vertical direction is α, where α = 45°, which can ensure that the rocker arm 2 is completely retracted into the carriage 1; when the output length of the electric cylinder is at its maximum, the included angle between the extension direction of the line connecting the centers of the second arc surface 22 and the third arc surface 23 and the vertical direction is β, where β = 50°, which can enable the first rotating shaft 4 to bear most of the weight of the goods, thereby reducing the force on the electric cylinder. Of course, in some other embodiments, the shape of the rocker arm 2 is determined according to the actual situation and will not be elaborated here.
[0045] In addition, the above is only the preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein. Various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A shuttle vehicle, characterized in that: include: A carriage (1), wherein the top of the carriage (1) is provided with an opening; A plurality of rocker arms (2), wherein the plurality of rocker arms (2) are arranged at intervals in the carriage (1), and the plurality of rocker arms (2) are rotatably connected to the carriage (1), and the plurality of rocker arms (2) are all provided with a support portion; A driving member (3) is connected to the plurality of rocker arms (2), and the driving member (3) is capable of driving the plurality of rocker arms (2) to move so that the plurality of rocker arms (2) can rotate relative to the carriage (1), thereby enabling the plurality of support portions to extend out of or retract into the opening for transporting or placing goods.
2. A shuttle vehicle according to claim 1, characterized in that: The plurality of rocker arms (2) are distributed in an array, with m rows arranged along the length direction of the carriage (1), and n columns arranged along the length direction of the carriage (1), wherein m and n are both integers greater than 1.
3. A shuttle vehicle according to claim 2, characterized in that: The shuttle vehicle further comprises n first rotating shafts (4), wherein the first rotating shafts (4) are rotatably connected to the carriage (1), and the rocker arms (2) in the same row are all fixedly connected to the first rotating shafts (4).
4. A shuttle vehicle according to claim 3, characterized in that: The shuttle vehicle further comprises m connecting rods (5), and the rocker arms (2) in the same row are all rotatably connected to the connecting rods (5).
5. A shuttle vehicle according to claim 4, characterized in that: The driving member (3) is connected to any one of the rocker arms (2).
6. A shuttle vehicle according to claim 5, characterized in that: The driving member (3) is an electric cylinder.
7. The shuttle vehicle according to claim 5, characterized in that: The shuttle vehicle further comprises a connector (6), one end of which is fixedly connected to the driving member (3), and the other end of which is rotatably connected to the rocker arm (2).
8. A shuttle vehicle according to claim 7, characterized in that: The shuttle vehicle further comprises a second rotating shaft (7), the other end of the connector (6) and the rocker arm (2) are both sleeved on the outer circumference of the second rotating shaft (7), and the rocker arm (2) is capable of rotating relative to the second rotating shaft (7).
9. The shuttle vehicle according to claim 3, characterized in that: The support portion is provided with a first arcuate surface (21), and the first arcuate surface (21) can abut against the bottom surface of the goods.
10. The shuttle vehicle according to claim 9, characterized in that: When the cargo is lifted to the maximum height, the angle between the extending direction of the line connecting the center of the first arc-shaped surface (21) and the center of the first rotating shaft (4) and the vertical direction is 5°.