Handling device

Abstract

A kind of handling equipment, comprising: movement chassis;Portal assembly, including first, second, third portal, can be respectively extended and retracted in height direction;Tool, it is installed on at least one portal;Portal assembly further includes two first side column parts and two second side column parts extending along height direction, they are spaced apart in longitudinal direction and are installed on movement chassis, and second side column part is farther from the longitudinal front end of movement chassis and has second guide slot extending along height direction, portal assembly further includes first reinforcing member, first reinforcing member includes at least one inclined portion with height direction acute angle, first reinforcing member is arranged between two second side column parts.The handling equipment of the utility model improves the stability of portal assembly by setting reinforcing member between the second side column part including guide slot, so that especially when second portal or third portal is extended, it can reduce shaking, guarantee the stability of fork picking and handling goods.

Description

Technical Field

[0001] This utility model relates to a handling device and belongs to the field of intelligent warehousing technology. Background Technology

[0002] With the rapid development of the logistics and warehousing industry, the construction of automated warehouses for storing goods is becoming more and more widespread. Various types of intelligent handling equipment such as stacking AGVs and AMRs used in automated warehouses are becoming more and more common, especially forklift intelligent handling equipment, where goods are stacked on pallets and transferred by picking up the pallets with forks.

[0003] Existing handling equipment or warehouse robots include: a motion chassis; a mast assembly disposed on the motion chassis, including a second mast that can extend in the height direction from a first mast located on the motion chassis; and attachments including forks and disposed at at least one mast, thereby being able to move up and down as the mast rises to pick up pallets at different heights.

[0004] It has been found that the stability of the mast assembly in existing handling equipment or warehouse robots needs to be improved, especially as the mast extends along the height direction, the swaying amplitude increases, affecting the forks' ability to pick up pallets. Therefore, it is desirable to eliminate or reduce the swaying of the mast assembly, thereby reducing the impact on the forks, especially the picking action of the forks at the raised mast. Utility Model Content

[0005] This utility model was made in view of the above-mentioned technical problems, and its purpose is to provide a handling device that can improve the stability of gantry components.

[0006] The handling device according to this utility model includes:

[0007] Sport chassis;

[0008] A gantry assembly comprising a first gantry, a second gantry, and a third gantry, wherein the first gantry is mounted on a moving chassis, and the second and third gantry are sequentially and movably connected to each other so as to extend away from the moving chassis in the height direction and retract toward the moving chassis, respectively.

[0009] An attachment, which is mounted on at least one of the first gantry, the second gantry, and the third gantry, to enable movement in the height direction along at least one of the aforementioned gantry;

[0010] The gantry assembly includes two first side columns extending in the height direction and spaced apart from each other in a transverse direction perpendicular to the height direction. Each side column has a first guide groove extending in the height direction, with the first guide grooves of the two first side columns opening towards each other. The second gantry can move relative to the first gantry in the height direction by sliding within the first guide groove.

[0011] The gantry assembly includes two second side columns, which are mounted on the motion chassis longitudinally spaced from the aforementioned first side columns and further away from the longitudinal front end of the motion chassis. These two second side columns extend in the height direction and are spaced apart from each other in the lateral direction, and each also has a second guide groove extending in the height direction.

[0012] The gantry assembly includes a first reinforcing member, which includes at least one inclined portion at an acute angle to the height direction, and is arranged between the two second side columns.

[0013] The gantry assembly of the handling equipment according to this utility model includes a second gantry and a third gantry that can extend relative to the moving chassis, thereby achieving at least two stages of gantry extension. The maximum lifting height is reached when both the second and third gantry are fully extended. The stability of the assembly is improved by providing second side columns including guide grooves and reinforcing members between the second side columns, particularly the lower portion of the gantry near the moving chassis. This reduces the sway amplitude in the direction orthogonal to the height direction, especially when both the third and second gantry are extended in the height direction, ensuring smooth pallet handling by the attachments of the handling equipment. This is particularly advantageous for unmanned automated handling equipment, because in the case of manually operated handling equipment, manual operation can compensate for the impact of swaying of the gantry assembly, especially the extended gantry, on the alignment and pallet removal of the attachments. In automated handling equipment, by enhancing the stability of the gantry assembly and reducing its sway amplitude, stable pallet handling and removal can be achieved without human intervention.

[0014] In the context of this invention, unless otherwise stated, the longitudinal direction refers to the main extension direction of the motion chassis, such as the length direction of the motion chassis. The longitudinal front end of the motion chassis refers to its forward end in the aforementioned main extension direction, typically the forward end of the motion chassis in its direction of movement when moving forward or turning. A visual sensor, such as a camera, is usually installed at this longitudinal front end. The longitudinal front end of the motion chassis is easily determined by those skilled in the art.

[0015] In the context of this invention, unless otherwise stated, the height direction refers to the direction orthogonal to the plane of the moving chassis. When the moving chassis is placed on a roughly horizontal surface, the height direction is the vertical direction.

[0016] In a preferred embodiment of the present invention, the first side column and the second side column on the same side are connected to each other at their top and / or bottom in the height direction by longitudinal connecting members relative to the longitudinal direction of the moving chassis.

[0017] For a moving chassis, typically a first side column and a second side column are located one after the other along the longitudinal direction on the same longitudinal side. By setting longitudinal connecting members to connect them at at least one end of the top and bottom in the height direction, the connection between the second side column, which is equipped with a first reinforcing member, and the first side column is strengthened. This improves the overall stiffness and torsional performance of the gantry assembly, enabling the first side column and the second side column to work together to bear the loads of the gantry that may extend, the attachments set on the gantry, and the pallets that may be carried on it, thereby improving the gantry assembly's ability to resist lateral deformation and instability.

[0018] Preferably, the two side columns on both sides of the motion chassis are connected to each other at their top and bottom by longitudinal connecting members. This enhances the stability of the gantry assembly.

[0019] Particularly preferably, for the first and second side columns on the same longitudinal side, a plurality of secondary longitudinal connecting members spaced apart along the height direction are also provided between their top and bottom.

[0020] Here, by adding a secondary longitudinal connecting member to the first and second side columns in the height direction between the top and bottom, the overall rigidity and torsional performance of the gantry assembly are further improved, which is particularly advantageous when the pallets to be picked up and moved by the handling equipment are heavy.

[0021] Furthermore, the gantry assembly includes at least two first transverse members that are fixedly connected between the second side columns, and the ends of the first reinforcing members are respectively fixedly connected to the two adjacent first transverse members.

[0022] Here, the first reinforcing member, which is fixedly connected at the end to two adjacent transverse members, enhances the stability of the second side column and improves its shear stiffness. In particular, it can improve the stability of the reinforcing member under load and prevent transverse deformation and overall overturning.

[0023] Specifically, the first reinforcing member connected to the transverse members can distribute the load more evenly to the transverse members and the side columns they are connected to, avoiding local stress concentration. Furthermore, it integrates the second side column, the first reinforcing member, and the first transverse member, improving the stability of the gantry assembly, particularly the portion of the gantry assembly near the moving chassis, thus increasing the overall load-bearing efficiency of the structure. This is especially advantageous when the second and third gantry frames, movably connected to the first gantry, extend in the height direction, reducing the sway amplitude of the gantry assembly after extension by improving torsional resistance.

[0024] In one embodiment of the present invention, the second side column of the gantry assembly is entirely within the range of the moving chassis in the longitudinal direction.

[0025] Here, although a second side column is provided on the moving chassis in the handling equipment according to the present invention, there is no need to make further modifications to the moving chassis of the existing handling equipment, especially no need to increase the size of the moving chassis in the longitudinal direction, which may reduce the applicability of the moving chassis or increase its turning radius, thereby reducing the flexibility of the handling equipment.

[0026] In a non-limiting embodiment, the second gantry has a plurality of second reinforcing members that are optionally spaced apart and extend from its top to its bottom along its height direction, and the third gantry has a plurality of third reinforcing members that are optionally spaced apart and extend from its top to its bottom along its height direction.

[0027] In the gantry assembly, multiple reinforcing members are also provided on the second and third gantry frames, which extend movable away from the moving chassis to rise in the height direction. This enhances the stability of the second and third gantry frames, which is particularly advantageous when they extend away from the moving chassis. The second and third reinforcing members located on the second and third gantry frames help reduce their potential sway amplitude at this time.

[0028] When reinforcing members are installed across the entire height of the gantry, using multiple reinforcing members instead of just one can reduce the manufacturing difficulty of the gantry.

[0029] Furthermore, the first reinforcing member, the second reinforcing member of the second gantry, and the third reinforcing member of the third gantry each have four inclined portions to form an "X" shape.

[0030] By forming an "X"-shaped reinforcing member, the torsional strength of the second side column, the second gantry, and the third gantry is further enhanced, and the stability of the gantry assembly is improved.

[0031] This allows for an increase in the maximum weight of cargo that can be carried by the attachments while maintaining the same maximum extension height of the gantry assembly. Furthermore, compared to increasing the number of vertical members extending in the height direction or the number of transverse members extending in the lateral direction within the gantry, or increasing their corresponding cross-sectional dimensions, using fork-shaped reinforcing members can achieve higher rigidity and strength of the gantry with less material, thereby reducing the weight and manufacturing cost of the gantry relative to the former.

[0032] Furthermore, the angles formed by the respective inclined portions of the reinforcing members of the three gantry with respect to the height direction are different from each other, and are configured such that when the second and third gantry do not extend in the height direction, the first reinforcing member, the second reinforcing member, and the third reinforcing member do not overlap each other when viewed in the longitudinal direction.

[0033] When the second and third masts are not extended, they may overlap with the first mast. In this case, observing the non-overlapping first, second, and third reinforcing members in the longitudinal direction is advantageous when visual judgment of whether a mast has extended is required. Specifically, different masts can be visually identified by the acute angle of the inclined portion of the reinforcing members, thus allowing for the identification and operation of each individual mast.

[0034] In a non-limiting embodiment, the second gantry of the gantry assembly has two second vertical members extending in the height direction and spaced apart in the lateral direction, and a plurality of second lateral members connected therebetween, which are spaced apart from each other in the height direction. The ends of the plurality of second reinforcing members of the second gantry are respectively fixedly connected to two adjacent second lateral members, or respectively fixedly connected to the sections of the second vertical members between two adjacent second lateral members.

[0035] Here, the strength and stability of the second gantry are improved by setting a second transverse member and multiple second reinforcing members, and the connection of force transmission between the two second vertical members is strengthened to ensure that the second gantry is subjected to uniform force as a whole.

[0036] Similarly, in a non-limiting embodiment, the third gantry of the gantry assembly has two third vertical members extending in the height direction and spaced apart in the lateral direction, and a plurality of third lateral members connected therebetween, which are spaced apart from each other in the height direction. The ends of the plurality of third reinforcing members of the third gantry are respectively fixedly connected to the two adjacent third lateral members, or respectively fixedly connected to the sections of the third vertical members between the two adjacent third lateral members.

[0037] Here, the strength and stability of the third gantry are improved by setting a third transverse member and multiple third reinforcing members, and the connection of force transmission between the two third vertical members is strengthened to ensure that the force on the third gantry as a whole is uniform.

[0038] In a preferred embodiment, the first side column and the second side column are respectively provided with support feet, which extend outward in the lateral direction from the lower part of the first side column and the second side column and are fixedly connected to the moving chassis.

[0039] Here, by providing additional support to the gantry assembly, particularly its first and second side columns, by setting support feet, the stability of the gantry assembly is ensured, especially when the gantry assembly is raised and a heavy pallet is being carried on the attachment, to prevent the gantry assembly, particularly the first and second side columns, from deforming or breaking under torsional loads.

[0040] "Extending outward in the lateral direction" refers to extending in the lateral direction away from the central longitudinal axis of the moving chassis.

[0041] This utility model proposes a gantry assembly including a first side column and a second side column spaced apart in the longitudinal direction for a transport device. By setting a reinforcing member with an inclined portion, the overall stability and torsional strength of the gantry assembly are improved, and the swaying amplitude of the gantry assembly is reduced, especially the swaying amplitude when the gantry is raised, which helps the transport device to align, pick up and transport the pallet smoothly.

[0042] Additional features and advantages described herein will be set forth in the detailed description below, and will be recognized by those skilled in the art as will be apparent from the following description or from practice of the embodiments described herein, including the detailed description below, the claims, and the accompanying drawings. Attached Figure Description

[0043] With reference to the above objectives, the technical features of this utility model are clearly described in the following claims, and its advantages will be apparent from the following detailed description with reference to the accompanying drawings, which illustrate preferred embodiments of the utility model by way of example, without limiting the scope of the inventive concept.

[0044] Figure 1 This invention illustrates a handling device according to an embodiment of the present invention;

[0045] Figure 2 Showing the retracted state Figure 1 The gantry assembly of the conveying equipment shown;

[0046] Figure 3 Showing from another perspective Figure 2 The gantry assembly shown;

[0047] Figure 4 Showing from another perspective Figure 2 The gantry assembly shown;

[0048] Figure 5 A partial enlarged view of the second side column of the gantry assembly is shown;

[0049] Figure 6 Shown in the fully extended state Figure 2 The gantry assembly shown.

[0050] List of reference numerals in the attached diagram:

[0051] 100 Handling Equipment

[0052] 100a Sport Chassis, 100b Gantry Assembly, 100c Attachments

[0053] 10 First gantry

[0054] 20 Second gantry 21 Second reinforcing member 21-1 Inclined part

[0055] 22 Second vertical member 23 Second horizontal member

[0056] 30 Third gantry 31 Third reinforcing member 31-1 Inclined part

[0057] 32 Third vertical member 33 Third horizontal member

[0058] 40 hydraulic cylinders, 50 forks, 82 driven wheels

[0059] 101 First side pillar portion 1011 First guide groove 102 Second side pillar portion

[0060] 104 Main longitudinal connecting member; 105 First transverse member

[0061] 106 Vertical front end 107 Vertical back end

[0062] 108 longitudinal connecting components; 109 support feet; 110 base.

[0063] 111 First reinforcing member 111-1 Inclined part

[0064] H is the height direction, and T is the lateral direction. Detailed Implementation

[0065] Reference will now be made in detail to various embodiments of the present invention, examples of which are shown in the accompanying drawings and described below. Although the present invention will be described in conjunction with exemplary embodiments, it should be understood that this specification is not intended to limit the present invention to those exemplary embodiments. Rather, the present invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents, and other embodiments that may be included within the spirit and scope of the present invention as defined by the appended claims. For ease of interpretation and precise definition in the appended claims, the terms “upper,” “lower,” “inner,” and “outer” are used to describe features with reference to their location in the exemplary embodiments shown in the figures.

[0066] Handling equipment is generally used to move pallets or similar goods, including:

[0067] Sport chassis;

[0068] A gantry assembly comprising at least one gantry and mounted on a motion chassis;

[0069] An attachment, which is mounted on a gantry assembly, such as at least one gantry, and is movable along it in the height direction to fork and hold a pallet.

[0070] Reference Figure 1The image shows a three-dimensional view of a handling device 100, including a motion chassis 100a, a gantry assembly 100b with three masts mounted on the motion chassis 100a, and an attachment 100c mounted on at least one mast of the gantry assembly 100b. Figure 1 The middle gantry assembly 100b is in the extended position.

[0071] The motion chassis includes a motion mechanism. The motion mechanism includes: at least one drive wheel (not shown), which is rotatably disposed at the motion chassis 100a; a drive motor (not shown) equipped with the drive wheel for driving the corresponding drive wheel to rotate, so that the motion chassis can switch between linear motion, such as forward and reverse motion and steering motion; and at least one driven wheel 82 for supporting the motion chassis 100a together with the drive wheel.

[0072] like Figure 1 As can be seen, the driven wheel 82 is located near the longitudinal rear end 107 of the motion chassis 100a.

[0073] The attachment 100c may include forks 50. The forks 50 are mounted directly or indirectly on at least one mast of the mast assembly 100b. The forks 50 are movable along the at least one mast in the vertical direction and also in the lateral direction. Custom-made forks 50, capable of rotating about an axis, such as a vertical axis, may be available upon request.

[0074] Figure 1 In this diagram, the H direction is the height direction, and the T direction is the lateral direction.

[0075] The gantry assembly 100b includes a first gantry 10, a second gantry 20, and a third gantry 30. The first gantry 10 is mounted on the upper surface of the motion chassis 100a. The second gantry 20 and the third gantry 30 are sequentially and movably connected so as to extend away from the motion chassis 100a and retract toward the motion chassis 100a in the height H direction, respectively.

[0076] By configuring the gantry assembly 100b as a combination of multiple movable gantry 10, 20, and 30, it helps to reduce the bending deformation that is prone to occur when directly setting a single gantry, thereby improving the overall structural strength of the gantry assembly 100b. It also allows for an increase in the design height of the gantry while maintaining stability, i.e., the height from the bottom of the first gantry 10 to the top of the third gantry 30 when both the second gantry 20 and the third gantry 30 are fully extended away from the moving chassis 100a.

[0077] Figure 1In the state shown, the gantry assembly 100b of the handling equipment 100 reaches the state where the second gantry 20 and the third gantry 30 are fully extended. At this time, the height from the top of the third gantry 30 to the bottom of the first gantry 10 is the design height.

[0078] For clarity, please refer to the following... Figures 2 to 6 The gantry assembly 100b is further explained in these figures, which show only the gantry assembly 100b or a portion thereof.

[0079] like Figure 2 As shown, the gantry assembly 100b includes two first side pillars 101. These two first side pillars 101 extend upward from the motion chassis 100a along the height direction H and are spaced apart from each other along a lateral direction T perpendicular to the height direction H, arranged on both sides of the motion chassis 100a relative to its central axis. Each first side pillar 101 has a first guide groove 1011 extending along the height direction H, the first guide grooves 1011 opening towards each other. A hydraulic cylinder 40 is provided on the lateral outer side of the first side pillar 101.

[0080] The gantry assembly 100b also includes two second side columns 102. These two second side columns 102 also extend upwards from the motion chassis 100a along the height direction H, and are combined with... Figure 1 It can be seen that they are mounted on the motion chassis 100a in a longitudinal direction aligned with and spaced apart from the first side column 101, and are further away from the longitudinal front end 106 of the motion chassis 100a than the first side column 101.

[0081] Similar to the first side pillar 101, the second side pillar 102 also has a second guide groove extending along the height direction H. Both the first side pillar 101 and the second side pillar 102 can be machined from channel steel.

[0082] like Figure 3 As can be seen, a main longitudinal connecting member 104 is fixedly connected between the top of the first side column 101 and the upper end of the second side column 102 in the height direction H, and between their lower ends in the height direction H. For example, the longitudinal connecting member 104 is welded or riveted.

[0083] Between the upper main longitudinal connecting member 104 and the lower main longitudinal connecting member 104, a plurality of secondary longitudinal connecting members 108 are provided along the height direction H. No particular limitation is placed on the number of secondary longitudinal connecting members 108, although... Figure 3 As can be seen, four secondary longitudinal connecting members 108 are provided on one side. The secondary longitudinal connecting members 108 are also fixedly connected to the first side column 101 and the second side column 102, for example, by welding or riveting to the first side column 101 and the second side column 102.

[0084] The gantry assembly 100b fixes the first side column 101 and the second side column 102 into a whole by the main longitudinal connecting member 104 and the secondary longitudinal connecting member 108, thereby improving its stability and torsional strength.

[0085] In the illustrated embodiment, in the longitudinal direction, when viewed in a top plan view, the gantry assembly 100b is entirely within the range of the motion chassis 100a. In other words, although the gantry assembly 100b includes a second side post 102 that is further rearward and closer to the longitudinal rear end 107 in the longitudinal direction, the second side post 102 remains entirely within the range of the motion chassis 100a in the longitudinal direction without increasing the longitudinal dimension of the motion chassis 100a.

[0086] In the lateral direction, support feet 109 are provided extending outward from the first side column 101 and the second side column 102 of the gantry assembly 100b along the lateral direction T. The support feet 109 are configured to extend outward from the lower portion of the first side column 101 and the second side column 102 in the height direction, and are fixedly connected to a base 110, which is fixed to the motion chassis 100a. This improves the support for the first side column 101 and the second side column 102, thereby enhancing the stability of the gantry assembly 100. In the illustrated embodiment, the support feet 109 have a triangular cross-section.

[0087] The gantry assembly 100b has three gantry frames, wherein the first gantry frame 10 is formed between the first side columns 101, and the second gantry frame 20 can move relative to the first gantry frame 10 in the height direction H by means of the sliding of its vertical member 22 (as further explained below) in the first guide groove 1011, that is, extend away from the moving chassis 100a or retract toward the moving chassis 100a, and the third gantry frame 30 is similarly slidably disposed on the second gantry frame 20.

[0088] In order to achieve the movable connection between the first gantry 10 and the second gantry 20, and between the second gantry 20 and the third gantry 30, one of the two movable gantry is provided with a gantry installation space, and the other gantry is installed in the gantry installation space of the aforementioned gantry.

[0089] For the first gantry 10, its gantry mounting space includes first side column portions 101 located on both sides. The sprocket mechanism for driving the second gantry includes a drive member, a drive sprocket, and a drive chain. The drive sprocket (not shown) is located at the top position of the first gantry 10 in the height direction H, and the drive chain is wound around the drive sprocket, with one end extending downward in the height direction H to connect with the drive member, and the other end connected to the bottom position of the second gantry 20 in the height direction H. Thus, when the drive member pulls the drive chain downward, the second gantry 20 will be pulled upward through the drive chain. Conversely, when the drive member releases the drive chain, the second gantry 20 will move downward under the action of gravity and eventually fall back onto the motion chassis 100a. The drive member can specifically adopt a linear drive structure such as a hydraulic cylinder, a pneumatic cylinder, or a motor screw module. In particular, when the second gantry 20 moves relative to the first gantry 10 in the height direction H, it can drive the linkage sprocket (not shown) on it to move synchronously. When the linkage sprocket moves with the second gantry 20, the attachment 100c can be moved upward in the height direction by pulling the linkage chain (not shown), or the attachment 100c can be moved downward under the action of gravity by releasing the linkage chain. This realizes the linkage between the attachment 100c and the second gantry 20 in the height direction. The ratio of the lifting height of the attachment 100c to the second gantry 20 can be set as needed, for example, 2:1.

[0090] The movable connection between the third gantry 30 and the second gantry 20 is similarly configured, and will not be described in more detail here for clarity.

[0091] The first gantry 10 may also be provided with limiting guides in the lateral direction between the first side columns 101, which serve to guide the second gantry 20 when it rises and prevent it from swinging or displacing too much in the longitudinal direction during the rising or falling process, thus affecting the stability of the second gantry and consequently the stability of the gantry assembly. The second gantry 20 may also be similarly provided with limiting guides for the third gantry 30.

[0092] The gantry assembly 100b includes multiple reinforcing members.

[0093] For the two second lateral side pillars 102, a plurality of first lateral members 105 are fixedly connected between them. These first lateral members 105 are spaced apart along the height direction H. The second side pillars 102 are provided with a plurality of first reinforcing members 111-1. For example... Figure 5 As further shown, the first reinforcing member 111 includes a plurality of inclined portions 111-1, which are at acute angles to the height direction H. In the illustrated embodiment, the four free ends of the "X"-shaped first reinforcing member 111 are respectively fixedly connected to two adjacent first transverse members 105.

[0094] The second gantry 20 and the third gantry 30 each have three reinforcing members 21 and 31 along the height direction H. These reinforcing members extend from the top of the respective gantry to the bottom along the entire height of the respective gantry. They are also shaped like an "X" similar to the first reinforcing member 111 described above.

[0095] like Figure 4 As can be seen, the angles formed by the inclined portion 111-1 of the first reinforcing member 111 at the second side column 102 and the height direction H, the angles formed by the inclined portion 21-1 of the second reinforcing member 21 of the second gantry 20 and the height direction H, and the angles formed by the inclined portion 31-1 of the third reinforcing member 31 of the third gantry 30 and the height direction H are all different from each other. Therefore, when along the perpendicular direction... Figure 4 When viewed from the direction of the paper, the second reinforcing member 21 of the second gantry 20 and the third reinforcing member 31 of the third gantry 30 do not overlap with each other.

[0096] The second gantry 20 has two second vertical members 22 extending along the height direction H and spaced apart in the lateral direction, and a plurality of second transverse members 23 fixedly connected between them. These second transverse members 23 are spaced apart from each other along the height direction H, and an "X"-shaped second reinforcing member 21 is provided between two adjacent transverse members 23. The free ends of the second reinforcing members 21 are fixedly connected, for example, welded to or riveted to the two adjacent second transverse members 23.

[0097] Similar to the second gantry 20, the third gantry 30 has two third vertical members 32 extending along the height direction H and spaced apart in the lateral direction, and a plurality of third transverse members 33 fixedly connected between them. These third transverse members 33 are spaced apart from each other along the height direction H, and a third reinforcing member 31, also in an "X" shape, is provided between two adjacent third transverse members 33. The four free ends of the third reinforcing member 31 are fixedly connected, for example, welded to or riveted to the two adjacent third transverse members 33.

[0098] In the gantry assembly 100b, by providing multiple reinforcing members and transverse members from top to bottom for the first gantry 10, the second gantry 20 and the third gantry 30 respectively, the strength and stability of the gantry are improved, and the overall stress of each gantry is ensured to be uniform.

[0099] In the above embodiments, the connection of the transverse members disposed between each side column or between vertical members and the reinforcing members connecting adjacent transverse members has been described, but the present invention is not limited thereto. In embodiments not shown, the free end of the connecting member may be fixedly connected to the vertical member or the section of the side column located between adjacent transverse members, rather than being fixedly connected to two adjacent transverse members.

[0100] Furthermore, in the above embodiments, the number of reinforcing members in each gantry has been described, but the present invention is not limited thereto. The number of reinforcing members required for each gantry can be set according to factors such as the size, material, and possible load of the gantry, and is not limited to three.

[0101] In addition, the thickness of the reinforcing members of each gantry and the reinforcing members provided at the second side column are set with consideration of factors such as gantry weight, manufacturing cost, and maximum load.

[0102] Within the scope of this invention, various embodiments can be freely combined, or appropriately modified or omitted.

Claims

1. A handling device, characterized in that, include: Sports chassis (100a); A gantry assembly (100b) includes a first gantry (10), a second gantry (20), and a third gantry (30), wherein the first gantry (10) is mounted on the motion chassis (100a), and the second gantry (20) and the third gantry (30) are sequentially and movably connected so as to extend away from the motion chassis (100a) in the height direction and retract toward the motion chassis (100a), respectively. An attachment (100c) is mounted on at least one of the first gantry (10), the second gantry (20), and the third gantry (30) to be movable along the at least one in the height direction; The gantry assembly (100b) includes two first side posts (101) extending along the height direction and spaced apart from each other in a transverse direction perpendicular to the height direction. Each of the two first side posts (101) has a first guide groove (1011) extending along the height direction and opening towards each other. The second gantry (20) is movable relative to the first gantry (10) along the height direction by sliding within the first guide groove (1011). The gantry assembly (100b) includes two second side columns (102), which are mounted longitudinally spaced from the first side column (101) on the motion chassis (100a) and further away from the longitudinal front end of the motion chassis (100a). The two second side columns (102) extend along the height direction and are spaced apart from each other in the lateral direction. Each of the two second side columns (102) also has a second guide groove extending along the height direction. The gantry assembly (100b) includes a first reinforcing member (111), which includes at least one inclined portion (111-1) at an acute angle to the height direction, and the first reinforcing member (111) is arranged between the two second side columns (102).

2. The handling equipment as described in claim 1, characterized in that, Relative to the longitudinal direction of the motion chassis (100a), the first side column (101) and the second side column (102) on the same side are connected to each other in the height direction at their top and / or bottom by longitudinal connecting members.

3. The handling equipment as described in claim 1, characterized in that, The gantry assembly (100b) includes at least two first transverse members (105), which are fixedly connected between the second side columns (102), and the ends of the first reinforcing members (111) are fixedly connected to the two adjacent first transverse members (105).

4. The handling equipment as described in claim 1, characterized in that, The second side column (102) is entirely within the range of the moving chassis (100a) in the longitudinal direction.

5. The handling equipment as described in claim 4, characterized in that, The second gantry (20) has a plurality of second reinforcing members (21) extending from the top to the bottom of the second gantry (20) along the height direction, and the third gantry (30) has a plurality of third reinforcing members (31) extending from the top to the bottom of the third gantry (30) along the height direction.

6. The handling equipment as described in claim 5, characterized in that, The first reinforcing member (111), the second reinforcing member (21) and the third reinforcing member (31) each have four inclined portions to form an "X" shape, and are configured such that when the second gantry (20) and the third gantry (30) are not extended along the height direction, when viewed along the longitudinal direction, the first reinforcing member (111), the second reinforcing member (21) and the third reinforcing member (31) do not overlap each other.

7. The handling equipment as described in claim 6, characterized in that, The second gantry (20) has two second vertical members (22) extending in the height direction and spaced apart in the lateral direction, and a plurality of second lateral members (23) connected between the two second vertical members (22). The plurality of second lateral members (23) are spaced apart from each other in the height direction. The ends of the plurality of second reinforcing members (21) are respectively fixedly connected to two adjacent second lateral members (23), or respectively fixedly connected to the sections of the second vertical members (22) between two adjacent second lateral members (23). The third gantry (30) has two third vertical members (32) extending in the height direction and spaced apart in the lateral direction, and a plurality of third lateral members (33) connected between the two third vertical members (32). The plurality of third lateral members (33) are spaced apart from each other in the height direction. The ends of the plurality of third reinforcing members (31) are respectively fixedly connected to the two adjacent third lateral members (33), or respectively fixedly connected to the section of the third vertical member (32) between the two adjacent third lateral members (33).

8. The handling equipment as described in claim 1, characterized in that, The first side column (101) and the second side column (102) are respectively provided with support feet. The support feet extend outward from the lower part of the first side column (101) and the second side column (102) along the lateral direction and are fixedly connected to the motion chassis (100a).

9. The handling equipment as described in claim 1, characterized in that, The motion chassis (100a) also includes a motion mechanism, which includes: At least one drive wheel; A drive motor, wherein the drive motor drives the corresponding drive wheel to rotate, so that the motion chassis can switch between straight-line and steering modes; and At least one driven wheel (82) is used to support the motion chassis (100a) together with the drive wheel.

10. The handling equipment as described in claim 1, characterized in that, The attachment (100c) includes forks (50) that are movable relative to the moving chassis (100a) in the height direction and the lateral direction.

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