A portal and a new energy AGV forklift applying the same

Abstract

The present application relates to the technical field of conveying equipment, and particularly relates to a portal and a new energy AGV fork truck applying the portal, which comprises a first frame body and a second frame body with coincident vertical rotation axes, a transversely-through conveying channel is arranged between the first frame body and the second frame body, the transversely-through conveying channel penetrates the new energy AGV fork truck; the first frame body is connected with a transfer ring table; the second frame body is connected with an upper transfer ring table and a lower transfer ring table; the transfer ring table is provided with a through conveying port matched with the transversely-through conveying channel; a conical frustum base is arranged on the transversely-through conveying channel of the transfer ring table; an arc-shaped telescopic transfer arm is connected in the transfer transmission turntable, and a loading and unloading mechanism is connected to the lower end; the front and rear frame bodies can be deflected, the vehicle body is flexible to move, and is suitable for in-warehouse sheet material transportation and instant storage operation; the front and rear bidirectional material conveying is realized through the transversely-through conveying channel; a plurality of materials can be carried and stored at a time, the loading and unloading of the materials in the storage unit can be selected from the upper and lower positions, and the materials can be loaded and unloaded according to the required order, so that diversified conveying and storage requirements are met.

Description

Technical Field

[0001] This invention relates to the field of conveying equipment technology, and more specifically to a gantry and a new energy AGV forklift using the gantry. Background Technology

[0002] In logistics transportation and warehousing operations, the application of new energy AGV forklifts is becoming increasingly widespread. New energy AGV forklifts are an important component of intelligent logistics systems, and the mast is the key main structure used for conveying operations. Its structural design and functional performance directly affect the working efficiency, stability, and safety of the new energy AGV forklift. Existing new energy AGV forklift masts suffer from problems such as the lack of dedicated material storage space, low single-load capacity, and difficulty in transporting thin, flaky materials. The traditional mast's structural design makes it impossible to effectively utilize space for storage, resulting in limited material storage space. Furthermore, if the new energy AGV forklift's movement is not flexible enough, and it has difficulty following tracks, turning, and avoiding corners, it will be difficult to improve the efficiency of transportation operations in workshops, warehouses, or storage rooms.

[0003] Therefore, it is necessary to provide a new type of gantry and a new energy AGV forklift that uses this gantry. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a gantry and a new energy AGV forklift using the gantry.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A gantry includes a first frame and a second frame that coincide with a vertical axis of rotation, with a transverse through-conveying channel between them, and the transverse through-conveying channel passes through a new energy AGV forklift.

[0007] The first frame is connected to a transfer ring platform via a first outrigger arm assembly;

[0008] The second frame is connected to the upper rotating platform and the lower rotating platform via the second extended support arm assembly;

[0009] The intermediate transfer ring is sandwiched between the upper and lower transfer rings, and the intermediate transfer ring has a through-transfer port that matches the height of the transverse through-transfer channel.

[0010] The first frame includes a front upright, and a front fork rack is movably connected to the inner perimeter of the front upright. The second frame includes a rear upright, and a rear storage rack is movably connected to the inner perimeter of the rear upright.

[0011] Furthermore, the outer surfaces of the upper rotating ring platform, the middle rotating ring platform, and the lower rotating ring platform gradually expand from top to bottom, and the inner circumference of each platform is provided with a horizontal rotating support; based on the top view, the angle α between the upper rotating ring platform and the middle rotating ring platform is variable between 90° and 180°.

[0012] Furthermore, the front fork take-off frame has two sets of symmetrical "Z" shaped structures, each set including a fixed base frame and a movable fork frame, which are connected by a parallelogram frame, and the distance between the two movable fork frames is variable; the fixed base frame is movably connected to the inner side of the front upright frame through a lifting slide.

[0013] Furthermore, the two ends of the rear storage rack are movably connected to the inner side of the rear upright frame via lifting slides. A storage cylinder is connected to the rear storage rack via a rotating seat, and the storage cylinder is provided with stacked insert slots.

[0014] Furthermore, an angle measuring device is provided between the upper rotating ring platform and the middle rotating ring platform. The angle measuring device includes two layers of rotating magnetic rings arranged at intervals and a stationary magnetic sensor located between the two layers of rotating magnetic rings. The stationary magnetic sensor protrudes and is fixed outside the new energy AGV forklift and is provided with dual detection heads facing upwards and downwards.

[0015] A new energy AGV forklift includes a frustum-shaped base, wherein the transverse through-convection channel is located in the middle of the frustum-shaped base and a transfer turntable is provided on the transverse through-convection channel;

[0016] The transfer turntable is connected to an arc-shaped telescopic transfer arm that deflects vertically and moves up and down. The arc-shaped telescopic transfer arm is clamped between the guide wheel group set inside the transfer turntable.

[0017] The lower end of the arc-shaped telescopic transfer arm is connected to a loading and unloading mechanism.

[0018] Furthermore, the loading and unloading mechanism includes an upper suspension platform, the bottom end of which is connected to a forward and backward slide, the bottom end of which is connected to a transport fork, and a suction cup is provided on the transport fork. The forward and backward slide and the transport fork form an "U"-shaped structure with an opening.

[0019] Furthermore, the through-conveying ports are two symmetrical ports, and the loading and unloading mechanism can move through the transverse through-conveying channel to expose the two through-conveying ports.

[0020] Furthermore, the upper rotating ring platform, the middle rotating ring platform, and the lower rotating ring platform are all connected to the frustum-shaped base through rotating supports and rotating drive mechanisms, and the upper rotating ring platform and the lower rotating ring platform maintain synchronous rotation.

[0021] Furthermore, the bottom of the frustum-shaped base is an AGV base, and a Mecanum wheel is provided at the bottom of the AGV base.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. The gantry disclosed in this invention adopts a conveyor frame that can be deflected at both the front and rear, realizing a mode that combines front frame loading and unloading transportation and rear frame storage. The material conveying between the first frame and the second frame is bidirectional, and it has a composite function of conveying and storing multiple pieces of thin sheet material at one time.

[0024] 2. The vehicle body of this invention is easy to turn, flexibly tracks and bends, and avoids corners. The loading and unloading angle and height can be adjusted as needed. The vehicle body is equipped with a through conveying channel, which is suitable for transportation and immediate storage operations in workshops, warehouses or storage rooms.

[0025] 3. This invention improves the efficiency of loading, unloading, transporting and storing sheet materials; it also enables materials to be loaded into the storage unit or unloaded from the storage unit in the required order. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0027] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 This is a side view of the present invention;

[0029] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0031] Figure 6 for Figure 4 Enlarged view of point C in the middle;

[0032] Figure 7 for Figure 4 Enlarged view of point D;

[0033] Figure 8 This is a top view of the structure of the present invention;

[0034] Figure 9 This is a three-dimensional structural diagram of the gantry in this invention;

[0035] Figure 10 This is a top view of the gantry structure in this invention;

[0036] Figure 11 This is a three-dimensional structural diagram of the new energy AGV forklift body in this invention;

[0037] Figure 12 for Figure 11 Enlarged view of point E in the middle;

[0038] Figure 13 This is a side view of the main body of the new energy AGV forklift in this invention.

[0039] Figure 14 This is a schematic diagram of the angle measuring device in this invention;

[0040] Figure 15 This is a schematic diagram of the basic transport path within the present invention.

[0041] In the diagram: 1. First frame; 1a. Front upright; 1b. Front fork retrieval frame; 1b-1. Fixed base frame; 1b-2. Moving fork frame; 1b-3. Parallelogram frame; 2. Second frame; 2a. Rear upright; 2b. Rear storage rack; 2c. Storage cylinder; 2c-1. Insertion chute; 3. Lateral through-feeder channel; 4. First extended support arm assembly; 5. Transfer ring platform; 5a. Through-feeder inlet; 6. Second extended support arm Group; 7. Upper rotary table; 8. Lower rotary table; 9. Frustum-shaped base; 9a: AGV base; 10. Transfer turntable; 11. Arc-shaped telescopic transfer arm; 12. Loading and unloading mechanism; 12a. Upper suspension platform; 12b. Advance and retractable slide; 12c. Transport fork; 12d. Suction cup; 13. Guide wheel group; 14. Rotary bearing; 15. Angle measuring device; 15a. Rotating magnetic ring; 15b. Stationary magnetic sensor. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "upper", "middle", "lower", "top", "bottom", "inner", "outer", etc. used to indicate the direction or positional relationship are based on the direction or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the technical solutions of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0043] See also Figures 1-10 As shown, Embodiment 1: A gantry includes a first frame 1 and a second frame 2 that coincide with the vertical axis of rotation, and a transverse through-conveying channel 3 is provided between the two, and the transverse through-conveying channel 3 runs through the front and rear of the new energy AGV forklift.

[0044] The first frame 1 is connected to a transfer ring platform 5 via a first extended support arm assembly 4. The second frame 2 is connected to an upper transfer ring platform 7 and a lower transfer ring platform 8 via a second extended support arm assembly 6. The rotation of the transfer ring platform 5 drives the front of the first frame 1 to adjust its conveying angle and direction. The rotation of the upper and lower transfer ring platforms 7 and 8 drives the rear of the second frame 2 to adjust its conveying angle and direction. The outer surfaces of the upper transfer ring platform 7, the transfer ring platform 5, and the lower transfer ring platform 8 gradually expand from top to bottom, and each has a horizontally positioned rotating support 14 on its inner perimeter. Specifically, as shown... Figure 8 , Figure 10 As shown, based on the top view, the angle α between the upper rotating ring platform 7 and the lower rotating ring platform 8 and the middle rotating ring platform 5 is variable between 90° and 180°. The material picking and feeding angles can be flexibly adjusted, optimizing the adaptability to the angle and position of loading and unloading materials and improving the material conveying efficiency.

[0045] Among them, the intermediate ring platform 5 is sandwiched between the upper ring platform 7 and the lower ring platform 8, and the intermediate ring platform 5 has a through conveying port 5a that matches the height of the transverse through conveying channel 3. When the transverse through conveying channel 3 and the through conveying port 5a are aligned, bidirectional material conveying can be carried out between the first frame 1 and the second frame 2.

[0046] Furthermore, the first frame 1 includes a front upright 1a, and a front fork lift 1b is movably connected to the inner perimeter of the front upright 1a. The front fork lift 1b is used to lift and transport material support bases. The second frame 2 includes a rear upright 2a, and a rear storage rack 2b is movably connected to the inner perimeter of the rear upright 2a for storing multiple portions of material that move with the second frame 2. The angle and height of the material being delivered from the storage rack 2b are adjustable.

[0047] In this embodiment, the front fork lift 1b has two sets of symmetrical "Z"-shaped structures. Each set includes a fixed base frame 1b-1 and a movable fork frame 1b-2, which are connected by a parallelogram frame 1b-3. The distance between the two movable fork frames 1b-2 is variable. The four corner connection nodes of the parallelogram frame 1b-3 are rotatable joints. By deflecting the long connecting rod of the parallelogram frame 1b-3, the distance between the two parallel movable fork frames 1b-2 can be adjusted to accommodate different sizes of material support bases, such as pallets, storage boxes, and racks. The fixed base frame 1b-1 is movably connected to the inside of the front upright frame 1a through a lifting slide, so that the front fork lift 1b can lift and place materials based on the lifting movement of the front upright frame 1a.

[0048] Furthermore, the two ends of the rear storage rack 2b are movably connected to the inner side of the rear upright 2a via lifting slides. A storage cylinder 2c is connected to the rear storage rack 2b via a rotating seat. When the rear storage rack 2b receives material from the first frame 1, it rotates the storage cylinder 2c so that its side opening faces the through conveying port 5a. The storage cylinder 2c is provided with stacked insert slots 2c-1 to separate and store the material vertically. By controlling the rear storage rack 2b to lift and lower the storage cylinder 2c, the insert slot 2c-1 at a certain height can be selected, realizing the function of storing materials vertically and vertically in a sorted manner in the storage unit.

[0049] On the other hand, in conjunction with reference Figures 1 to 14 As shown in Embodiment 2: A new energy AGV forklift includes a frustum-shaped base 9. The aforementioned transverse through-conveyor channel 3 is located in the middle of the frustum-shaped base 9. To achieve material connection and transfer between the first frame 1 and the second frame 2, a transfer turntable 10 is provided on the transverse through-conveyor channel 3. A through hole is provided on the upper part of the frustum-shaped base 9 to accommodate the transfer turntable 10. An arc-shaped telescopic transfer arm 11 is connected inside the transfer turntable 10. The arc-shaped telescopic transfer arm 11 is clamped between the vertically arranged guide wheel group 13 inside the transfer turntable 10. The guide wheel group 13 is as follows: Figure 7 The three guide wheels arranged in a triangular pattern are shown. One of the guide wheels is a motor-driven active rotating wheel. The lower end of the arc-shaped telescopic transfer arm 11 is connected to a loading and unloading mechanism 12 for picking up and placing materials. In the transfer turntable 10, a trapezoidal cavity is provided below the guide wheel group 13 to provide space for the lower end of the arc-shaped telescopic transfer arm 11 to drive the loading and unloading mechanism 12 to move upward.

[0050] Specifically, the loading and unloading mechanism 12 includes an upper suspension platform 12a, the bottom end of which is connected to a forward and backward slide 12b, the bottom end of which is connected to a transport fork 12c and driven to extend forward or backward, and a suction cup 12d is provided on the transport fork 12c for suction and fixing materials. The forward and backward slide 12b and the transport fork 12c form an "U"-shaped structure with an opening, and the middle is used for loading, unloading and conveying materials.

[0051] The upper rotating ring platform 7, the middle rotating ring platform 5, and the lower rotating ring platform 8 are all connected to the frustum-shaped base 9 via rotating supports 14 and a rotating drive mechanism. The upper rotating ring platform 7 and the lower rotating ring platform 8 maintain synchronous rotation. At least six rotating supports 14 are arranged vertically, each including an inner and outer ring that are rotatably connected. The inner ring is fixed to the periphery of the frustum-shaped base 9, and the outer ring is fixed to the inner periphery of the upper rotating ring platform 7, the middle rotating ring platform 5, or the lower rotating ring platform 8. There are two symmetrical through-conveyor ports 5a. As the arc-shaped telescopic transfer arm 11 descends along the arc-shaped trajectory, the loading and unloading mechanism 12 can move through the transverse through-conveyor channel 3 to expose the two through-conveyor ports 5a. Based on the rotation of the middle rotating ring platform 5 relative to the frustum-shaped base 9, when the transverse through-conveyor channel 3 and the through-conveyor ports 5a are aligned, the transverse through-conveyor channel 3 is in a aligning state. At this time, the arc-shaped telescopic transfer arm 11 can be controlled to drive the loading and unloading mechanism 12 to load and unload materials onto the front fork rack 1b or the rear storage rack 2b.

[0052] To measure the rotation angle, specifically as follows: Figure 6 , Figures 11-14 As shown, an angle measuring device 15 is provided between the upper rotating ring platform 7 and the middle rotating ring platform 5. The angle measuring device 15 includes two layers of rotating magnetic rings 15a arranged at intervals and a stationary magnetic sensor 15b located between the two layers of rotating magnetic rings 15a. The stationary magnetic sensor 15b protrudes and is fixed to the body of the new energy AGV forklift and is provided with dual detection heads facing upward and downward, which are used to detect the rotation angles of the second frame 2 and the first frame 1, respectively. Specifically, the stationary magnetic sensor 15b protrudes and is fixed outside the frustum-shaped base 9 and is equipped with dual detection heads facing upwards and downwards. When the corresponding follower magnetic ring 15a rotates with the upper rotating ring platform 7 and the middle rotating ring platform 5, the magnetic field distribution it generates changes. The Hall module in the stationary magnetic sensor 15b detects the change in magnetic field angle and converts it into an electrical signal. Then, through the analysis and processing of the electrical signal by a microprocessor module such as the MC9S08DZ60 chip, the rotation angle information can be obtained and fed back to the control system. This, in conjunction with the rotation drive mechanism, accurately controls the loading, unloading, and conveying angle of materials on the first frame 1 and the second frame 2.

[0053] In the above embodiments, the angle measuring device 15 can also be replaced by a photoelectric angle encoder or a capacitive angle encoder. For example, the photoelectric angle encoder measures the angle through the photoelectric conversion principle, including a light source, a code disk and a photodetector. The code disk is engraved with equally spaced light-transmitting and opaque areas. When the code disk rotates with the shaft, the light emitted by the light source passes through different areas of the code disk, is received by the photodetector and converted into an electrical signal. By counting and processing these electrical signals, the rotation angle of the code disk can be accurately determined, and thus the rotation angle information of the measured shaft can be obtained.

[0054] In this embodiment, the rotary drive mechanism is specifically configured as follows: among the two objects that need to rotate relative to each other, one is fixedly connected to a toothed rotating ring along the central axis, and the other is equipped with a gear driven by a motor. The gear meshes with the corresponding toothed rotating ring. By controlling the operation of the corresponding motor, the relative rotation of the two objects is achieved. In this technical solution, the upper rotating ring platform 7, the middle rotating ring platform 5, and the lower rotating ring platform 8 rotate around the periphery of the frustum-shaped base 9 to realize the loading, unloading, conveying, and storage of materials with the outside world. Meanwhile, the transfer turntable 10 rotates within the frustum-shaped base 9 to realize the transfer and conveying of materials between the first frame 1 and the second frame 2.

[0055] Meanwhile, the components connecting the upper rotating ring platform 7, the middle rotating ring platform 5, and the lower rotating ring platform 8 to the frustoconical base 9 also include conductive slip rings. The conductive slip ring structure consists of a fixed part (stator) and a rotating part (rotor). The stator is equipped with a brush holder and brushes. The brushes are the key components that contact the rotor. When the rotor rotates, the brushes maintain sliding contact with the conductive rings, thereby realizing the transmission of electrical energy and signals between the rotating and fixed parts. No matter how the rotor rotates, the brushes can always maintain good contact with the conductive rings, ensuring stable transmission of current and signals.

[0056] A further optimization involves using a frustum-shaped base 9 as the bottom of an AGV base 9a. Mecanum wheels are installed at the bottom of the AGV base 9a. Based on Mecanum wheel technology, this omnidirectional motion base can flexibly achieve forward, lateral, diagonal, and rotational movements, as well as combinations thereof. The omnidirectional forklift-style transport platform mounted on this base, combined with a front and rear tilting frame, is ideal for workplaces with limited transfer space and narrow operating aisles. Furthermore, the charging system within the frustum-shaped base 9 employs wireless charging technology. Wireless charging base stations are set up in the working area of ​​the new energy AGV forklift. When the new energy AGV forklift needs charging, it automatically travels to the wireless charging base station under the control of the control system. The charging system then transfers electrical energy to the battery inside the vehicle, providing continuous power for the new energy AGV forklift's transportation, storage, and other operations.

[0057] Furthermore, the first extended support arm assembly 4, the second extended support arm assembly 6, the front upright 1a, and the rear upright 2a are assembled and spliced ​​using various specifications of steel profiles. In practical applications, the structure and parameters of the steel profile components can be adjusted and optimized according to specific needs. The front upright 1a and the rear upright 2a are parallel, and both have crossbeams at their top, forming a portal-shaped frame structure. The front fork retrieval frame 1b and the rear storage rack 2b can move up and down within the frame to achieve the lifting and unloading function of materials. The height difference between picking and feeding materials needs to be large, so the top of the front upright 1a is higher than that of the rear upright 2a. The crossbeams on the rear upright 2a have a through-hole in the middle to facilitate longitudinal loading and unloading of the storage cylinder 2c.

[0058] For structures not mentioned in the above technical solutions, please refer to the prior art. The integrated gantry combining conveying and storage functions with the new energy AGV forklift is easy to turn, flexible to bend, and avoid corners; it can store and transfer multiple materials at the same time while loading, unloading and transporting materials; it is suitable for transportation and immediate storage operations in workshops, warehouses or storage areas; it is convenient for loading, unloading, transporting and storing sheet materials; and it can also load materials into the storage unit or unload them from the storage unit in the required order.

[0059] This invention relates to a mast and a new energy AGV forklift using the mast. When materials need to be transported, the new energy AGV forklift travels to the material storage location under the control of the control system. During this process, both the first frame 1 and the second frame 2 can deflect and swing, coordinating with cornering, avoidance, and tracking actions to improve the overall movement speed. After reaching the location, the front fork 1b picks up the material-carrying base and rotates the angle so that the front through-feed port 5a is aligned with the transverse through-feed channel 3, combined with... Figure 15 As shown, the guide wheel assembly 13 drives the arc-shaped telescopic transfer arm 11 downward along the arc path. The forward and backward slide 12b drives the transport fork 12c to extend forward to below the material. The front fork lift 1b lowers to unload the material carrying base. After the suction cup 12d attracts the material, the transport fork 12c retracts. Then, the guide wheel assembly 13 drives the arc-shaped telescopic transfer arm 11 upward along the arc path until the loading and unloading mechanism 12 is partially located in the trapezoidal cavity. Subsequently, the transfer turntable 10 is driven to rotate the arc-shaped telescopic transfer arm 11 180°. The material completes the transfer direction within the transverse through-conveying channel 3. The loading and unloading mechanism 12 faces the rear through-conveying port 5a. The guide wheel assembly 13 drives the arc-shaped telescopic transfer arm 11 downward along the arc path, while... The rear storage rack 2b drives the storage cylinder 2c to rise and fall, aligning the required insert slot 2c-1 with the material position height on the transport fork 12c. After reaching the desired position, the transport fork 12c extends forward again towards the second frame 2, loading the material into the storage unit of the storage cylinder 2c. The suction cup 12d is then closed, and the rear storage rack 2b can be slightly raised. Subsequently, the transport fork 12c retracts, the arc-shaped telescopic transfer arm 11 moves upward and retracts, and the transfer turntable 10 rotates back towards the first frame 1. The above operations can be repeated to realize multi-stage material loading and conveying in the storage cylinder 2c. When the rear storage rack 2b delivers material, it is convenient to adjust the angle to adapt to the situation. The rotating seat under the storage cylinder 2c can drive it to rotate back and forth for loading and unloading materials. In this technical solution, the material conveying direction between the first frame 1 and the second frame 2 is bidirectional. The rear storage rack 2b can make full use of the rear space of the vehicle to mechanically store materials, realizing the combination of material loading and unloading by the front unit and material storage by the rear unit, which significantly increases the storage capacity of materials. Multiple storage racks can carry multiple portions of materials at one time, effectively improving the single conveying capacity and avoiding the low conveying efficiency caused by loading and unloading single portions of materials at one time. It also enables materials to be loaded into the storage unit or unloaded from the storage unit in the required order.

[0060] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. For those skilled in the art, various changes, modifications or additions made without departing from the concept of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A gantry frame, characterized in that: It includes a first frame (1) and a second frame (2) that coincide with the vertical rotation axis, and a transverse through-transport channel (3) is provided between the two, and the transverse through-transport channel (3) runs through the new energy AGV forklift. The first frame (1) is connected to a transfer ring platform (5) via a first extended support arm assembly (4); The second frame (2) is connected to the upper rotating platform (7) and the lower rotating platform (8) via the second extended support arm assembly (6); The intermediate ring platform (5) is sandwiched between the upper ring platform (7) and the lower ring platform (8), and the intermediate ring platform (5) has a through conveying port (5a) that matches the height of the transverse through conveying channel (3). The first frame (1) includes a front upright (1a), and a front fork rack (1b) is movably connected to the inner perimeter of the front upright (1a). The second frame (2) includes a rear upright (2a), and a rear storage rack (2b) is movably connected to the inner perimeter of the rear upright (2a).

2. A gantry according to claim 1, characterized in that: The outer surfaces of the upper rotating ring platform (7), the middle rotating ring platform (5) and the lower rotating ring platform (8) gradually expand from top to bottom, and the inner circumference is provided with a horizontal rotating support (14); based on the top view, the angle α between the upper rotating ring platform (7) and the middle rotating ring platform (5) is 90° to 180°.

3. A gantry according to claim 1, characterized in that: The front fork take-off frame (1b) has two sets of symmetrical "Z" shaped structures. Each set includes a fixed base frame (1b-1) and a movable fork frame (1b-2), which are connected by a parallelogram frame (1b-3). The distance between the two movable fork frames (1b-2) is variable. The fixed base frame (1b-1) is movably connected to the inside of the front upright frame (1a) through a lifting slide.

4. A gantry according to claim 3, characterized in that: The two ends of the rear storage rack (2b) are movably connected to the inner side of the rear upright (2a) via a lifting slide. The rear storage rack (2b) is connected to a storage cylinder (2c) via a rotating seat. The storage cylinder (2c) is provided with stacked insert slots (2c-1).

5. A gantry according to claim 2, characterized in that: An angle measuring device (15) is provided between the upper rotating ring platform (7) and the middle rotating ring platform (5). The angle measuring device (15) includes two layers of rotating magnetic rings (15a) arranged at intervals and a stationary magnetic sensor (15b) located between the two layers of rotating magnetic rings (15a). The stationary magnetic sensor (15b) protrudes and is fixed outside the new energy AGV forklift and is provided with double detection heads facing upward and downward.

6. A new energy AGV forklift, employing a mast as described in any one of claims 1-5, characterized in that: Includes a frustum-shaped base (9), the transverse through-conveyor channel (3) is located in the middle of the frustum-shaped base (9) and a transfer turntable (10) is provided on the transverse through-conveyor channel (3). The transfer turntable (10) is connected to an arc-shaped telescopic transfer arm (11), which is clamped between the guide wheel group (13) provided inside the transfer turntable (10); The lower end of the arc-shaped telescopic transfer arm (11) is connected to a loading and unloading mechanism (12).

7. A new energy AGV forklift according to claim 6, characterized in that: The loading and unloading mechanism (12) includes an upper suspension platform (12a), the bottom end of which is connected to a forward and backward slide (12b), the bottom end of which is connected to a transport fork (12c), and a suction cup (12d) is provided on the transport fork (12c). The forward and backward slide (12b) and the transport fork (12c) form an "U"-shaped structure with an opening.

8. A new energy AGV forklift according to claim 7, characterized in that: The through-conveying ports (5a) are two symmetrical ones, and the loading and unloading mechanism (12) can move through the transverse through-conveying channel (3) to expose the two through-conveying ports (5a).

9. A new energy AGV forklift according to claim 8, characterized in that: The upper rotating ring platform (7), the middle rotating ring platform (5) and the lower rotating ring platform (8) are all connected to the frustum-shaped base (9) through a rotating support (14) and a rotating drive mechanism. The upper rotating ring platform (7) and the lower rotating ring platform (8) maintain synchronous rotation.

10. A new energy AGV forklift according to claim 9, characterized in that: The bottom of the frustum-shaped base (9) is an AGV base (9a), and a Mecanum wheel is provided at the bottom of the AGV base (9a).

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