All-electric pallet piling car based on permanent magnet synchronization

Abstract

The all-electric pallet piling car comprises a car body, a standing platform located at the bottom of the rear side of the car body, an operating handle located at the top of the car body and a movable bottom plate located at the bottom of the front side of the car body, balance wheels are arranged on the two sides of the bottom of the car body respectively, and a driving assembly is arranged between the two balance wheels; the front part of the vehicle body is fixedly connected with a stacking mechanism, the stacking mechanism comprises a fixing frame, the fixing frame is provided with a first lifting device through a first sliding mechanism, the first lifting device is provided with a second lifting device through a second sliding mechanism, and the second lifting device is provided with a pallet fork through a third sliding mechanism; through the arrangement of the driving assembly, turning of the piling car is smoother, and the use experience of a user can be effectively enhanced. By arranging the stacking mechanism, the total height of the pallet forks can be freely adjusted in a multi-stage mode, the limitation of the height is broken through, the application range is widened, and the piling car has wide applicability.

Description

Technical Field

[0001] The invention relates to the technical field of stacker trucks, and in particular to a full-electric pallet stacker truck based on permanent magnet synchronization. Background Art

[0002] Stacker trucks play a very important role in the logistics system of enterprises and are the main force in material handling equipment. They are widely used in various sectors of the national economy, such as stations, ports, airports, factories, warehouses, etc. Stacker trucks are a kind of industrial loading and unloading machinery. Stacker trucks have the functions of walking and lifting goods. They refer to various wheeled stacking vehicles for loading and unloading, stacking and short-distance transportation of palletized goods. Stacker trucks have the characteristics of compact structure, flexible transportation, simple operation, small turning radius, high explosion-proof safety performance, etc. Stacker trucks are suitable for operations in narrow passages and limited spaces. They are ideal equipment for loading and unloading pallets in high-bay warehouses and workshops. They are usually used for cargo handling and stacking in factories, workshops, warehouses, stations, docks, etc.

[0003] In the prior art, for example, the patent with publication number CN216269485U discloses an electric power steering system for an electric stacker, including: a control handle, a transmission mechanism, a power steering gear, a drive unit and a drive wheel, wherein the control handle is connected to the input end of the power steering gear through the transmission mechanism, and the output end of the power steering gear is connected to the drive unit through a drive connection seat, and the drive unit is used to control the movement of the drive wheel, and the input end and the output end are connected through a mechanical transmission device, and the control handle is used to drive the input end to rotate through the transmission mechanism, and when the power steering gear is powered on, the torque of the output end is increased, and when the power steering gear is powered off, the output shaft is driven to rotate through the mechanical transmission device to drive the drive unit to rotate, and then drive the drive wheel to turn. However, the operator of the above patent drives the drive wheel to turn by the control handle, which requires a large operating force when driving at high speed or under heavy load, which increases the labor intensity of the operator.

[0004] The patent with publication number CN116477527A discloses a stable mobile all-electric pallet stacker, including a vehicle base body, a gantry is arranged on the vehicle base body, vertical long slots are provided on both sides of the gantry, and a control device is arranged in the vertical long slot, and the upper end of each control device is connected to a brake device in a transmission manner, and the control device and the brake device cooperate to realize the functions of automatic auxiliary detection and interception. However, the above patent is limited in height when lifting goods, which reduces the use range of the stacker and cannot meet the requirements of the height of the stacker to lift goods.

[0005] Based on the above situation, the present invention proposes a full-electric pallet stacker based on permanent magnet synchronization, which can effectively solve the above problems. Summary of the invention

[0006] The present invention aims to solve the technical problems existing in the prior art and provides a full-electric pallet stacker based on permanent magnet synchronization.

[0007] The present invention is achieved through the following technical solutions:

[0008] A fully electric pallet stacker based on permanent magnet synchronization, comprising a body, a standing platform located at the bottom of the rear side of the body, an operating handle located at the top of the body, and a movable bottom plate located at the bottom of the front side of the body, balance wheels are respectively arranged on both sides of the bottom of the body, and a drive assembly is arranged between the two balance wheels; a stacking mechanism is fixedly connected to the front of the body, and the stacking mechanism comprises a fixed frame, a first lifting device is installed on the fixed frame through a first sliding mechanism, a second lifting device is installed on the first lifting device through a second sliding mechanism, and a fork is installed on the second lifting device through a third sliding mechanism;

[0009] The drive assembly includes a box body, the top of which is fixedly connected with a first spur gear, the first spur gear is fixedly connected to the output shaft of the permanent magnet synchronous motor, the permanent magnet synchronous motor is fixedly connected to a support seat, and the support seat is fixedly connected to the vehicle body; one side of the support seat is fixedly connected with a steering motor; the output shaft of the steering motor is fixedly connected with a second spur gear, and the second spur gear is meshingly connected with the first spur gear; the bottom of the output shaft of the permanent magnet synchronous motor is fixedly connected with a first helical gear, the first helical gear is meshingly connected with the second helical gear, the second helical gear is fixedly connected to the outside of the helical gear shaft, the top end of the helical gear shaft is rotatably connected with the first spur gear, the bottom end of the helical gear shaft is meshingly connected with fan teeth, the fan teeth are fixedly connected to one end of a rotating shaft flange, the rotating shaft flange is fixedly connected to a rotating wheel, the rotating wheel is arranged on one side of the box body, and the other side of the box body is fixedly connected with a box cover;

[0010] The first lifting device includes a first oil cylinder fixedly connected to the fixed frame, and a first lifting frame connected to the movable end of the first oil cylinder; the second lifting device includes a second oil cylinder fixedly connected to the second lifting frame, and a fork connected to the second oil cylinder in a transmission manner; a first sprocket is installed on the first lifting frame, a first chain is wound around the first sprocket, one end of the first chain is fixedly connected to the fixed frame, and the other end is fixedly connected to the second lifting frame; a sprocket mounting frame is installed on the movable end of the second oil cylinder, second sprockets are respectively installed at both ends of the sprocket mounting frame, a second chain is wound around the second sprocket, one end of the second chain is connected to the fork, and the other end is connected to the side wall of the second oil cylinder.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, the first sliding mechanism includes a first sliding groove arranged on the outside of the first lifting frame, and first pulleys slidably installed in the first sliding groove are respectively installed on both sides of the fixed frame.

[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, the second sliding mechanism includes a second sliding groove arranged on the outside of the second lifting frame, and second pulleys slidably installed in the second sliding groove are respectively installed on both sides of the first lifting frame.

[0013] According to the above technical solution, as a further preferred technical solution of the above technical solution, the third sliding mechanism includes a third sliding groove arranged on the inner side of the second lifting frame, and third pulleys slidably installed in the third sliding groove are respectively installed on both sides of the fork.

[0014] According to the above technical solution, as a further preferred technical solution of the above technical solution, a control area is provided on one side of the operating handle, and the control area is provided with a key knob, a stop button and an instrument panel.

[0015] According to the above technical solution, as a further preferred technical solution of the above technical solution, a battery is installed inside the vehicle body.

[0016] According to the above technical solution, as a further preferred technical solution of the above technical solution, guardrails are respectively arranged on both sides of the top of the vehicle body, and the guardrails are connected to the vehicle body.

[0017] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0018] The present invention arranges a driving assembly at the bottom of the vehicle body, the output shaft of the permanent magnet synchronous motor of the driving assembly is connected with the first bevel gear, the meshing of the first bevel gear and the second bevel gear is transmitted to the bevel gear shaft, the rotation of the bevel gear shaft is transmitted to the rotating wheel through the fan teeth and the rotating shaft flange, and finally the rotating wheel is driven to move the stacker; when steering is required, the output shaft of the steering motor of the driving assembly is connected with the second spur gear, and the second spur gear is meshed with the first spur gear. Since the box body is fixedly connected to the first spur gear, when the steering motor transmits power, the box body and the rotating wheel can rotate in the vertical direction, thereby making the stacker turn; compared with the prior art method of driving the driving wheel to turn by a handle rod, the setting of the driving assembly of the present invention makes the stacker turn more smoothly, which can effectively enhance the user experience.

[0019] The present invention is provided with a first lifting device, a second lifting device and a fork, so that the first lifting device can lift the height of the second lifting device, and the second lifting device can be used to further lift the height of the fork, thereby realizing multi-stage free adjustment of the total height of the fork, breaking through the height limitation, expanding the scope of use, and making the stacker have a wide range of applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the overall structure of the present invention from another angle;

[0022] Figure 3 It is a schematic diagram of the structure of the drive assembly of the present invention;

[0023] Figure 4 It is a schematic diagram of the internal structure of the drive assembly of the present invention;

[0024] Figure 5 It is a schematic diagram of the stacking mechanism structure of the present invention;

[0025] Figure 6 for Figure 1 A partial enlarged schematic diagram of part A. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred implementation scheme of the present invention is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for exemplary description and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only for exemplary description and cannot be understood as a limitation on this patent.

[0027] A fully electric pallet stacker based on permanent magnet synchronization, comprising a body 1, a standing platform 2 located at the bottom of the rear side of the body 1, an operating handle 3 located at the top of the body 1, and a movable bottom plate 4 located at the bottom of the front side of the body 1, balance wheels 5 are respectively arranged on both sides of the bottom of the body 1, and a drive assembly 6 is arranged between the two balance wheels 5; a stacking mechanism is fixedly connected to the front of the body 1, and the stacking mechanism includes a fixed frame 7, and the fixed frame 7 is equipped with a first lifting device 9 through a first sliding mechanism 8, and the first lifting device 9 is equipped with a second lifting device 11 through a second sliding mechanism 10, and the second lifting device 11 is equipped with a fork 13 through a third sliding mechanism 12;

[0028] The driving assembly 6 includes a box body 61, the top of which is fixedly connected to a first spur gear 62, the first spur gear 62 is fixedly connected to the output shaft of a permanent magnet synchronous motor 63, the permanent magnet synchronous motor 63 is fixedly connected to a support seat 64, and the support seat 64 is fixedly connected to the vehicle body 1; a steering motor 65 is fixedly connected to one side of the support seat 64; the output shaft of the steering motor 65 is fixedly connected to a second spur gear 66, the second spur gear 66 is meshed with the first spur gear 62; the bottom of the output shaft of the permanent magnet synchronous motor 63 A first bevel gear 67 is fixedly connected, the first bevel gear 67 is meshedly connected with a second bevel gear 68, the second bevel gear 68 is fixedly connected to the outside of a bevel gear shaft 69, the top end of the bevel gear shaft 69 is rotatably connected to the first spur gear 62, the bottom end of the bevel gear shaft 69 is meshedly connected with a fan gear 610, the fan gear 610 is fixedly connected to one end of a rotating shaft flange 611, the rotating shaft flange 611 is fixedly connected to a rotating wheel 612, the rotating wheel 612 is provided on one side of the box body 61, and a box body cover 613 is fixedly connected to the other side of the box body 61;

[0029] The present invention sets a driving assembly 6 at the bottom of the vehicle body 1, the output shaft of the permanent magnet synchronous motor 63 of the driving assembly 6 is connected with the first bevel gear 67, the meshing of the first bevel gear 67 and the second bevel gear 68 is transmitted to the bevel gear shaft 69, the rotation of the bevel gear shaft 69 is transmitted to the rotating wheel 612 through the fan teeth 610 and the rotating shaft flange 611, and finally drives the rotating wheel 612 to move the stacker; when steering is required, the output shaft of the steering motor 65 of the driving assembly 6 is connected with the second spur gear 66, and the second spur gear 66 is meshed and connected with the first spur gear 62. Since the box body 61 is fixedly connected to the first spur gear 62, when the steering motor 65 transmits power, the box body 1 and the rotating wheel 612 can rotate in the vertical direction, so that the stacker can turn; compared with the prior art method of driving the driving wheel to turn by a handle rod, the setting of the driving assembly of the present invention makes the stacker turn more smoothly, which can effectively enhance the user experience.

[0030] At the same time, the drive assembly 6 adopts a permanent magnet synchronous motor 63. The design of the forced magnetic field inside the permanent magnet synchronous motor 63 reduces the resistance inside the motor, thereby reducing energy loss. It can also maintain high efficiency in the low voltage and low frequency range, and has a faster adjustment of output power, ensuring that the system is more efficient and accurate. In addition, the permanent magnet synchronous motor 63 has an encoder and adopts a non-contact installation structure, which has high control accuracy.

[0031] The first lifting device 9 includes a first oil cylinder 91 fixedly connected to the fixed frame 7, and a first lifting frame 92 connected to the movable end of the first oil cylinder 91. The second lifting device 11 includes a second oil cylinder 111 fixedly connected to the second lifting frame 112, and a fork 13 transmission-connected to the second oil cylinder 111; a first sprocket 93 is installed on the first lifting frame 92, a first chain 94 is wound around the first sprocket 93, one end of the first chain 94 is fixedly connected to the fixed frame 7, and the other end is fixedly connected to the second lifting frame 112; a sprocket mounting frame 113 is installed on the movable end of the second oil cylinder 111, and second sprockets 114 are respectively installed at both ends of the sprocket mounting frame 113, a second chain 115 is wound around the second sprocket 114, one end of the second chain 115 is connected to the fork 13, and the other end is connected to the side wall of the second oil cylinder 111.

[0032] The present invention is provided with a first lifting device 9, a second lifting device 11 and a fork 13, so that the first lifting device 9 can lift the height of the second lifting device 11, and the second lifting device 11 can be used to further lift the height of the fork 13, thereby realizing multi-stage free adjustment of the total height of the fork 13, breaking through the height limitation, expanding the scope of use, and making the stacker truck have a wide range of applicability.

[0033] Furthermore, in another embodiment, the first sliding mechanism 8 includes a first sliding groove 81 arranged on the outer side of the first lifting frame 92, and first pulleys 82 slidably installed in the first sliding groove 81 are respectively installed on both sides of the fixing frame 7.

[0034] Through the cooperation between the first slide groove 81 and the first pulley 82 , the lifting action of the first lifting frame 92 is ensured to be stable and reliable, thereby ensuring the safety of use.

[0035] Furthermore, in another embodiment, the second sliding mechanism 10 includes a second slide groove 101 disposed on the outer side of the second lifting frame 112 , and second pulleys 102 slidably mounted in the second slide groove 101 are respectively installed on both sides of the first lifting frame 92 .

[0036] Through the cooperation between the second slide groove 101 and the second pulley 102 , the lifting action of the second lifting frame 112 is ensured to be stable and reliable, thereby ensuring the safety of use.

[0037] Furthermore, in another embodiment, the third sliding mechanism 12 includes a third sliding groove 121 disposed on the inner side of the second lifting frame 112 , and third pulleys 122 slidably mounted in the third sliding groove 121 are respectively mounted on both sides of the fork 13 .

[0038] Through the cooperation between the third slide groove 12 and the third pulley 122, the lifting action of the fork 13 is ensured to be stable and reliable, thereby ensuring the safety of use.

[0039] Furthermore, in another embodiment, a control area 14 is provided on one side of the operating handle 3 , and the control area 14 is provided with a key knob 15 , a stop button 16 and a dashboard 17 .

[0040] By setting up the control area 14, integrating the key knob 15, the stop button 16 and the instrument panel 17, the operator can easily control the basic functions of the stacker truck and monitor and display the power, driving speed, fault code, etc. in real time to ensure the continuity of the operation.

[0041] Furthermore, in another embodiment, a battery (not shown in the figure) is installed inside the vehicle body 1.

[0042] By arranging a battery inside the vehicle body 1, a power source is provided for the operation of the stacker truck.

[0043] Furthermore, in another embodiment, guardrails 18 are respectively provided on both sides of the top of the vehicle body 1 , and the guardrails 18 are connected to the vehicle body 1 .

[0044] The guardrails 18 provided on both sides of the top of the vehicle body 1 increase the safety of the operator on the standing platform 2 and prevent accidental falling during operation.

[0045] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the full-electric pallet stacker based on permanent magnet synchronization of the present invention, and can produce the positive effects described in the present invention.

[0046] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing 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, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0047] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A fully electric pallet stacker based on permanent magnet synchronization, Features: The utility model comprises a vehicle body (1), a standing platform (2) located at the bottom of the rear side of the vehicle body (1), an operating handle (3) located at the top of the vehicle body (1), and a movable bottom plate (4) located at the bottom of the front side of the vehicle body (1), characterized in that: balance wheels (5) are respectively arranged on both sides of the bottom of the vehicle body (1), and a driving assembly (6) is arranged between the two balance wheels (5); a stacking mechanism is fixedly connected to the front of the vehicle body (1), and the stacking mechanism comprises a fixed frame (7), the fixed frame (7) is equipped with a first lifting device (9) through a first sliding mechanism (8), the first lifting device (9) is equipped with a second lifting device (11) through a second sliding mechanism (10), and the second lifting device (11) is equipped with a fork (13) through a third sliding mechanism (12); The drive assembly (6) comprises a housing (61), the top of which is fixedly connected to a first spur gear (62), the first spur gear (62) being fixedly connected to an output shaft of a permanent magnet synchronous motor (63), the permanent magnet synchronous motor (63) being fixedly connected to a support seat (64), the support seat (64) being fixedly connected to a vehicle body (1); a steering motor (65) being fixedly connected to one side of the support seat (64); the output shaft of the steering motor (65) being fixedly connected to a second spur gear (66), the second spur gear (66) being meshingly connected to the first spur gear (62); the bottom of the output shaft of the permanent magnet synchronous motor (63) being fixedly connected to a steering motor (65); A first bevel gear (67) is fixedly connected, the first bevel gear (67) is meshedly connected with a second bevel gear (68), the second bevel gear (68) is fixedly connected to the outer side of a bevel gear shaft (69), the top end of the bevel gear shaft (69) is rotatably connected to the first spur gear (62), the bottom end of the bevel gear shaft (69) is meshedly connected with a fan gear (610), the fan gear (610) is fixedly connected to one end of a rotating shaft flange (611), the rotating shaft flange (611) is fixedly connected to a rotating wheel (612), the rotating wheel (612) is arranged on one side of the box body (61), and the other side of the box body (61) is fixedly connected with a box body cover (613); The first lifting device (9) comprises a first oil cylinder (91) fixedly connected to the fixed frame (7), and a first lifting frame (92) connected to the movable end of the first oil cylinder (91); the second lifting device (11) comprises a second oil cylinder (111) fixedly connected to the second lifting frame (112), and a fork (13) drivingly connected to the second oil cylinder (111); a first sprocket (93) is installed on the first lifting frame (92), and a first chain ( 94), one end of the first chain (94) is fixedly connected to the fixed frame (7), and the other end is fixedly connected to the second lifting frame (112), a sprocket mounting frame (113) is installed at the movable end of the second oil cylinder (111), and second sprockets (114) are respectively installed at both ends of the sprocket mounting frame (113), and a second chain (115) is wound around the second sprocket (114), one end of the second chain (115) is connected to the fork (13), and the other end is connected to the side wall of the second oil cylinder (111).

2. According to claim 1, a fully electric pallet stacker based on permanent magnet synchronization, Features: The first sliding mechanism (8) comprises a first sliding groove (81) arranged on the outside of the first lifting frame (92), and first pulleys (82) slidably mounted in the first sliding groove (81) are respectively mounted on both sides of the fixed frame (7).

3. The all-electric pallet stacker based on permanent magnet synchronization according to claim 1, Features: The second sliding mechanism (10) comprises a second sliding groove (101) arranged on the outer side of the second lifting frame (112), and second pulleys (102) slidably mounted in the second sliding groove (101) are respectively mounted on both sides of the first lifting frame (92).

4. The all-electric pallet stacker based on permanent magnet synchronization according to claim 1, Features: The third sliding mechanism (12) comprises a third sliding groove (121) arranged on the inner side of the second lifting frame (112), and third pulleys (122) slidably mounted in the third sliding groove (121) are respectively mounted on both sides of the fork (13).

5. The all-electric pallet stacker based on permanent magnet synchronization according to claim 1, Features: A control area (14) is provided on one side of the operating handle (3), and the control area (14) is provided with a key knob (15), a stop button (16) and an instrument panel (17).

6. The all-electric pallet stacker based on permanent magnet synchronization according to claim 1, Features: A storage battery is installed inside the vehicle body (1).

7. The all-electric pallet stacker based on permanent magnet synchronization according to claim 1, Features: Guardrails (18) are respectively arranged on both sides of the top of the vehicle body (1), and the guardrails (18) are connected to the vehicle body (1).

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