A split-type pull-out heavy-duty sheet metal rack

Abstract

This application relates to a split-type pull-out heavy-duty sheet metal shelving unit, comprising two load-bearing supports, a bottom support, a top support, a back support, several sheet metal racks, and a sliding door. The bottom of the load-bearing supports has a support plate to distribute pressure on the ground. The load-bearing supports also have reinforcing plates that fit against the top wall of the support plates. The bottom support is connected to the reinforcing plates and the load-bearing supports by bolts. The top support is detachably mounted on top of the load-bearing supports. The back support is detachably mounted on one side of the load-bearing supports. The sliding door is detachably rotatable on the other side of the load-bearing supports. When the sliding door is opened, it slides into the sheet metal racks, which are then slidably mounted on the load-bearing supports. The support plates distribute pressure on the load-bearing supports, preventing the ground from cracking due to excessive pressure. Simultaneously, the support plates support the reinforcing plates, preventing them from sagging or sinking under the weight after prolonged use, facilitating future disassembly.

Description

Technical Field

[0001] This application relates to the technical field of storage equipment, and in particular to a split pull-out heavy-duty sheet metal rack. Background Technology

[0002] For the storage of heavy-duty boards, the traditional method of stacking boards can pose a significant safety hazard due to the potential for them to slip. Therefore, a drawer-type board rack has been developed. By storing heavy-duty boards in the "drawers" of the rack, the boards are less likely to tip over because the "drawers" are designed horizontally. In addition, limit plates or blocks are installed around the "drawers" to limit the slippage of the boards, making them even less likely to slip and cause injury.

[0003] In addition, the "drawers" can usually be pulled out directly from the shelf. When taking out the boards, the "drawers" can be taken out as a whole by a forklift, making it convenient to take out the boards. When checking the boards, the "drawers" can also be pulled out to check, which is also convenient.

[0004] However, in order to ensure the stability of traditional drawer-type panel racks, the base plate support, back plate support, top plate support and load-bearing support of the rack are usually connected and fixed by welding. Although this makes the connection method simple and improves the overall rigidity, when the panel rack needs to be moved later, the entire panel rack can only be moved, which is inconvenient. Utility Model Content

[0005] To address the problem that connecting and fixing the bottom plate support, back plate support, top plate support, and load-bearing support of drawer-type shelves by welding makes subsequent relocation inconvenient, this application provides a split pull-out heavy-duty sheet metal shelf.

[0006] The technical solution for the split-type pull-out heavy-duty sheet metal rack provided in this application is as follows: A split-type pull-out heavy-duty sheet metal rack includes two load-bearing supports, a bottom support, a top support, a back support, several sheet metal racks, and a track door. The load-bearing supports are defined as vertical. The bottom of each load-bearing support has several support plates to distribute the pressure exerted by the load-bearing support on the ground. The load-bearing support at each support plate has a reinforcing plate, which is vertical and its lower side is attached to the top wall of the support plate. The bottom support is connected to the reinforcing plate and the load-bearing supports by bolts. The two ends of the top support are detachably installed on the top of the two load-bearing supports. The back support is detachably installed on one side of the load-bearing supports. The track door is detachably and rotatably installed on the other side of the load-bearing supports. When the track door is opened, the track door and the sheet metal racks also slide and engage. The two ends of each sheet metal rack are respectively slidably installed on the two load-bearing supports.

[0007] The above technical solution disperses and reduces the pressure generated by the weight of the load-bearing bracket through the support plate, thereby making the ground at the load-bearing bracket less likely to crack due to excessive pressure generated by the load-bearing bracket. At the same time, the support plate supports the reinforcing plate, making it less likely for the reinforcing plate to sag or sink due to the weight it bears after long-term use. This means that the bolts do not need to bear the additional shear force applied by the reinforcing plate, making the bolts less prone to deformation and facilitating disassembly later.

[0008] Optionally, a first mounting plate is provided at both ends of the top of the load-bearing bracket, and a second mounting plate is provided at both ends of both sides of the top plate bracket. When the top plate bracket is installed on the top of the load-bearing bracket, the first mounting plate and the second mounting plate are connected to each other in a one-to-one correspondence. The first mounting plate and the second mounting plate are used to expand the surface contact at the connection between the top plate bracket and the load-bearing bracket.

[0009] Optionally, a pad is provided in the middle of the base plate support. When the ground is horizontal and the base plate support is placed on the ground, the pad is used to raise the base plate support. At this time, the bolts of the base plate support are aligned with the threaded holes of the reinforcing plate in the horizontal direction.

[0010] Optionally, the load-bearing bracket is provided with a plurality of first connectors in the vertical direction, the track door is vertical, and a plurality of second connectors are provided in the vertical direction on the side of the track door connected to the load-bearing bracket. The first connectors and the second connectors correspond one-to-one. The track door and the load-bearing bracket are rotatably connected by the cooperation of the first connectors and the second connectors, and the first connector located at the uppermost side is provided on the top plate bracket.

[0011] Optionally, the first connecting member includes a first load-bearing plate and a plurality of second load-bearing plates. The first load-bearing plate is vertical and disposed on the load-bearing bracket, and the second load-bearing plates are horizontal and evenly spaced along the vertical direction on the first load-bearing plate. The second connecting member includes a third load-bearing plate and a plurality of fourth load-bearing plates. The third load-bearing plate is disposed on the track door, and the fourth load-bearing plates are horizontal and evenly spaced along the vertical direction on the third load-bearing plate. The fourth load-bearing plates correspond one-to-one with the second load-bearing plates. The bottom wall of the second load-bearing plate is slidably disposed against the top wall of the fourth load-bearing plate. One end of the second load-bearing plate and the fourth load-bearing plate are rotatably connected by a connecting shaft. A vertical clamp is provided at the lower end of the side of the track door away from the second connecting member. The vertical clamp is used to support and fix the track door.

[0012] Optionally, the bottom wall of the second load-bearing plate is provided with a plurality of first support blocks, and the top wall of the fourth load-bearing plate is provided with a plurality of second support blocks corresponding one-to-one with the first support blocks. One end of the first support block is connected to the first load-bearing plate, and the other end of the first support block is provided with an inclined surface. One end of the second support block is connected to the third load-bearing plate, and the other end of the second support block is also provided with an inclined surface. When the track door is fully opened, the inclined surfaces of the second support blocks fit together with the inclined surfaces of the first support blocks. Optionally, a support plate is provided on one side of the track door and the load-bearing bracket that are rotatably connected to each other. The support plate is arranged vertically. When the track door is fully opened, the bottom wall of the support plate of the track door fits against the top wall of the support plate of the load-bearing bracket.

[0013] Optionally, when the track door is fully opened, one side of the bottom wall of the fourth load-bearing plate is pressed against one side of the top wall of the second load-bearing plate, and both the fourth load-bearing plate and the second load-bearing plate have chamfers on opposite sides.

[0014] Optionally, the backplate support includes a plurality of first support rods and a plurality of second support rods. The second support rods are grouped in pairs, and each group of support rods is cross-connected. The lower end of the first support rod is fixedly connected to the pad by bolts, and the upper end of the first support rod is detachably connected to the top plate support by bolts. The two ends of the second support rod located between the load-bearing support and the first support rod are detachably connected to the load-bearing support and the first support rod, respectively. The two ends of the second support rod located between two first support rods are detachably connected to the two first support rods, respectively.

[0015] Optionally, rollers are provided on both sides of the sheet metal rack, and several slide rails are provided in the vertical direction for both the load-bearing bracket and the track door. The slide rails of the load-bearing bracket correspond one-to-one with the slide rails of the track door. When the track door is opened, the slide rails of the track door and the slide rails of the load-bearing bracket are aligned one-to-one. The sheet metal rack is installed on the load-bearing bracket or the track door by rolling and sliding through the cooperation between the rollers and the slide rails. The distance between two slide rails in the vertical direction is greater than the thickness of the sheet metal rack. The sheet metal rack can be lifted and taken out between the two slide rails. Each roller has a retaining ring coaxially provided on its opposite side. The retaining ring fits against the side of the slide rail and limits the lateral displacement of the sheet metal rack.

[0016] In summary, this application reduces the pressure generated by the weight of the load-bearing bracket by dispersing it through the support plate, thereby preventing the ground at the load-bearing bracket from cracking due to excessive pressure. At the same time, the support plate supports the reinforcing plate, preventing it from sinking or sag due to the weight it bears after long-term use. Consequently, the bolts do not need to bear the additional shear force applied by the reinforcing plate, making them less prone to deformation and facilitating subsequent disassembly. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present application, in which the main body of the bottom material rack is hidden.

[0018] Figure 2 yes Figure 1 Enlarged schematic diagram of part A in the middle.

[0019] Figure 3 This is a three-dimensional structural diagram of the present application, in which one of the track doors is closed.

[0020] Figure 4 yes Figure 3 Enlarged schematic diagram of section B.

[0021] Figure 5 yes Figure 3 Enlarged schematic diagram of section C.

[0022] Figure 6 This is a three-dimensional structural diagram of one side of the backplate support of this application.

[0023] Figure 7 yes Figure 6 Enlarged schematic diagram of section D in the middle.

[0024] Those skilled in the art will understand that the elements in the accompanying drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be enlarged relative to other elements to aid in understanding the embodiments of the invention.

[0025] Reference numerals: 1. Load-bearing bracket; 11. Support plate; 111. Positioning hole; 12. Reinforcing plate; 121. Threaded hole; 13. First mounting plate; 14. First connector; 141. First load-bearing plate; 142. Second load-bearing plate; 143. First support block; 15. Limiting plate; 16. First limiting block; 2. Base plate bracket; 21. Connecting plate; 211. Connecting hole; 22. Pad; 3. Top plate bracket; 31. Second mounting plate; 3 2. Fixing hole; 4. Back plate bracket; 41. First support rod; 42. Second support rod; 5. Plate rack; 51. Roller; 511. Retaining ring; 52. First stop block; 6. Track door; 61. Second connector; 62. Third load-bearing plate; 63. Fourth load-bearing plate; 64. Second support block; 65. Inclined surface; 66. Vertical clamp; 7. Slide rail; 71. Second stop block; 8. Connecting shaft; 81. Baffle; 82. Elastic pin; 9. Support plate. Implementation

[0026] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0027] This application discloses a split-type pull-out heavy-duty sheet metal shelf, referring to... Figure 1-7 It includes two load-bearing supports 1, a base plate support 2, a top plate support 3, a back plate support 4, and several sheet metal racks 5. All of the above structures are made of steel.

[0028] Both load-bearing supports 1 are rectangular and vertically arranged. Several rectangular support plates 11 are provided at the bottom of the load-bearing supports 1. The width of the support plates 11 is greater than the width of the load-bearing supports 1. The support plates 11 are perpendicular to the vertical direction of the load-bearing supports 1. The load-bearing supports 1 are placed on the ground through the support plates 11. The support plates 11 are evenly spaced along the width direction of the load-bearing supports 1. The load-bearing supports 1 are connected to the middle of the support plates 11.

[0029] The support plates 11 disperse and reduce the pressure generated by the weight of the load-bearing bracket 1, thereby preventing the ground at the load-bearing bracket 1 from cracking due to excessive pressure. The number of support plates 11 is designed according to the width of the load-bearing bracket 1. Positioning holes 111 are drilled through the four corners of each support plate 11, and these holes are used to secure the support plate 11 and the load-bearing bracket 1 with anchor bolts.

[0030] Reference Figure 1-7Two load-bearing brackets 1 are aligned with each other. Several reinforcing plates 12 are welded to the lower side of the opposite side of each load-bearing bracket 1. Each reinforcing plate 12 corresponds to a support plate 11. Threaded holes 121 are opened through the reinforcing plates 12, allowing the load-bearing bracket to pass through. The bottom wall of the reinforcing plate 12 is pressed tightly against the top wall of the support plate 11. The support plate 11 supports the reinforcing plate 12, preventing it from sagging or sinking due to the weight it bears after prolonged use. This reduces the need for the bolts to bear additional shear force applied by the reinforcing plate 12, making the bolts less prone to deformation and facilitating later disassembly.

[0031] The base plate support 2 is rectangular, and several connecting plates 21 are provided at both ends of the base plate support 2. The connecting plates 21 correspond one-to-one with the reinforcing plates 12, and the connecting plates 21 are perpendicular to the length direction of the base plate support 2.

[0032] During assembly, first, place the two load-bearing supports 1 vertically on the ground. The distance between the two load-bearing supports 1 is greater than the length of the base plate support 2, and less than the sum of the length of the base plate support 2 and the length of the two support plates 11 extending from the load-bearing supports 1. Then, place the base plate support 2 between the two load-bearing supports 1. Due to the aforementioned distance design of the two load-bearing supports 1, both ends of the base plate support 2 are located on the upper side of the support plates 11 at the bottom of the two load-bearing supports 1.

[0033] Reference Figure 1-7 The connecting plates 21 at both ends of the base plate bracket 2 are provided with connecting holes 211. The connecting holes 211 of the connecting plates 21 correspond one-to-one with the threaded holes 121 of the corresponding reinforcing plates 12. Bolts are inserted in the connecting holes 211, and one end of the bolt is threaded into the threaded hole 121. The connecting plates 21 and the reinforcing plates 12 are detachably connected by the bolts. When the bolts are tightened, the reinforcing plates 12 and the connecting plates 21 fit together under the pull of the bolts.

[0034] After the bolt is tightened, the side wall of the bolt located in the connecting hole 211 is smooth. Since the part of the bolt located in the connecting hole 211 is not threaded, it is less likely to damage the inner wall of the connecting hole 211. This makes the bolt removal and replacement smoother and also extends the service life of the connecting plate 21.

[0035] The diameter of the connecting hole 211 is larger than the diameter of the threaded hole 121. A rectangular pad 22 is welded to the middle of the base plate bracket 2. When the base plate bracket 2 is placed on the ground, the connecting holes 211 of the connecting plates 21 at both ends of the base plate bracket 2 are aligned with the threaded holes 121 by the support of the pad 22. The base plate bracket 2 and the load-bearing bracket 1 can be connected more easily by the pad 22.

[0036] Reference Figure 1-7 Meanwhile, when the ground level is low, the measurement can also be made through the cooperation between the pad 22 and the base plate bracket 2. That is, when the connecting holes 211 of the connecting plates 21 at both ends of the base plate bracket 2 and the threaded holes 121 of the reinforcing plate 12 cannot be completely aligned, it means that the ground level at the two load-bearing brackets 1 is different. The low ground level can be detected and adjusted in time, which facilitates the overall installation progress and avoids problems in the connection between the base plate bracket 2 and the load-bearing bracket 1 due to the failure to meet the level requirements. Then, the bolts between the already connected base plate bracket 2 and load-bearing bracket 1 need to be removed and the load-bearing bracket 1 needs to be adjusted.

[0037] Reference Figure 1-7 Furthermore, the cooperation between the pad 22 and the base plate bracket 2 can also distribute the weight borne by the load-bearing bracket 1.

[0038] A rectangular first mounting plate 13 is welded to both ends of the top of the load-bearing bracket 1. The width of the first mounting plate 13 is greater than the width of the load-bearing bracket 1. The load-bearing bracket 1 is welded and fixed to the middle of the first mounting plate 13. Two second mounting plates 31 are provided at both ends of the top plate bracket 3. The second mounting plates 31 are located on both sides of the end of the top plate bracket 3. When the top plate bracket 3 is installed on the top of the load-bearing bracket 1, the first mounting plate 13 and the second mounting plate 31 are aligned with each other.

[0039] Both the first mounting plate 13 and the second mounting plate 31 have through holes 32, and bolts are inserted into the holes 32. The first mounting plate 13 and the second mounting plate 31 are fixedly connected by bolts and nuts.

[0040] During assembly, due to the cooperation between the first mounting plate 13 and the second mounting plate 31, when the top plate bracket 3 is placed on top of the load-bearing bracket 1, the extra area of ​​the first mounting plate 13 will support both ends of the top plate bracket 3. As a result, when the top plate bracket 3 is placed on the load-bearing bracket 1 and its position is adjusted, the top plate bracket 3 is less likely to slip off the load-bearing bracket 1, which facilitates the installation and adjustment of the top plate bracket 3.

[0041] Reference Figure 1-7 The backplate support 4 includes several first support rods 41 and several second support rods 42. The second support rods 42 are grouped in pairs, and each group of support rods is cross-connected. The middle parts of each group of support rods are welded and fixed together.

[0042] The number of first support rods 41 is designed according to the spacing between the two load-bearing supports 1 after being connected to the base plate support 2; in this embodiment, one rod is used. The lower end of the first support rod 41 is fixedly connected to the pad 22 by bolts, and the upper end of the first support rod 41 is detachably connected to the top plate support 3 by bolts. When multiple first support rods 41 are designed, the pad 22 needs to be increased accordingly.

[0043] The two ends of the second support rod 42 located between the load-bearing bracket 1 and the first support rod 41 are respectively bolted to the load-bearing bracket 1 and the first support rod 41. When there are multiple first support rods 41, the two ends of the second support rod 42 located between the first support rods 41 are respectively bolted to the first support rod 41.

[0044] Due to the split design of the backplate bracket 4, it is convenient to disassemble, store and transport.

[0045] Both ends of the sheet metal rack 5 are rotatably mounted with rollers 51, and several slide rails 7 are welded to the opposite side of the load-bearing bracket 1. The sheet metal rack 5 is slidably mounted on the slide rails 7 via the rollers 51. The opposite side of the rollers 51 of the sheet metal rack 5 is coaxially and integrally provided with retaining rings 511. The retaining rings 511 fit against the side of the slide rails 7 and limit the lateral displacement of the sheet metal rack 5.

[0046] Two first stops 52 are welded to both ends of the sheet metal rack 5, and the two first stops 52 are arranged along the width direction of the sheet metal rack 5. A second stop 71 is welded to the slide rail 7 of the load-bearing bracket 1, and a second stop 71 is also welded to the slide rail 7 of the track door 6. When the sheet metal rack 5 is located inside the load-bearing bracket 1, one of the first stops 52 of the sheet metal rack 5 is pressed against the second stop 71 of the load-bearing bracket 1. When the sheet metal rack 5 is located in the track door 6, the other first stop 52 of the sheet metal rack 5 is pressed against the second stop 71 of the track door 6.

[0047] The cooperation between the first stop 52 and the second stop 71 makes it difficult for the sheet metal rack 5 to slide out during sliding.

[0048] The distance between the two slide rails 7 in the vertical direction is greater than the thickness of the sheet metal rack 5, so that the sheet metal rack 5 can be lifted and taken out between the two slide rails 7.

[0049] Each of the two load-bearing supports 1 is provided with a track door 6 on the side away from the back plate support 4. The load-bearing support 1 is provided with several first connectors 14 in the vertical direction. The track door 6 is vertical. On the side where the track door 6 is connected to the load-bearing support 1, several second connectors 61 are provided in the vertical direction. The second connectors 61 are used to cooperate with the first connectors 14 so that the track door 6 is rotatably connected to the load-bearing support 1.

[0050] The first connecting member 14 includes a first load-bearing plate 141 and several second load-bearing plates 142. The first load-bearing plate 141 is vertical and welded to the load-bearing bracket 1. The second load-bearing plates 142 are horizontally arranged and are integrally formed on the first load-bearing plate 141 at uniform intervals along the vertical direction. The first connecting member 14, located at the uppermost side, is set on the top plate bracket 3, which makes it more convenient to extend the height of the load-bearing bracket 1. The load-bearing bracket 1 can be directly heightened, and the installation of the corresponding heightened track door 6 will not be interfered with by the first connecting member 14.

[0051] The second connecting member 61 includes a third load-bearing plate 62 and several fourth load-bearing plates 63. The third load-bearing plate 62 is welded to the track door 6. The fourth load-bearing plates 63 are horizontal and uniformly spaced along the vertical direction and integrally disposed on the third load-bearing plate 62. The fourth load-bearing plates 63 correspond one-to-one with the second load-bearing plates 142. The bottom wall of the second load-bearing plate 142 is attached to and slidably disposed on the top wall of the fourth load-bearing plate 63.

[0052] One end of the second load-bearing plate 142 and the fourth load-bearing plate 63 are rotatably connected by a connecting shaft 8, and the rotating shaft is in sliding fit with both the second load-bearing plate 142 and the fourth load-bearing plate 63. A circular baffle 81 is integrally provided on the upper end of the connecting shaft 8, and the bottom wall of the baffle 81 is attached to the fourth load-bearing plate 63. The lower end of the connecting shaft 8 passes through the second load-bearing plate 142 and is slidably limited by an elastic pin 82.

[0053] A limiting plate 15 is provided on one side of the load-bearing frame. When the track door 6 is fully opened, the track door 6 fits against the limiting plate 15 and is limited by the limiting plate 15. At the same time, a vertical clamp 66 is fixedly installed on the lower end of the side of the track door 6 away from the second connector 61. When the door is opened, the vertical clamp 66 is pressed against the ground to fix the track door 6. At the same time, the vertical clamp 66 supports the side of the track door 6 away from the first connector 14.

[0054] The opposite side of the track door 6 is also provided with a slide rail 7. The slide rail 7 of the track door 6 corresponds one-to-one with the slide rail 7 of the load-bearing bracket 1. When the track door 6 is fully opened, the slide rail 7 of the track door 6 and the slide rail 7 of the load-bearing bracket 1 are matched one-to-one. And through the cooperation of the first connector 14 and the second connector 61, it can be realized that when the track door 6 is closed, the slide rail 7 of the track door 6 and the slide rail 7 of the load-bearing bracket 1 do not interfere with each other.

[0055] When the track door 6 is fully opened, the bottom wall of one side of the fourth load-bearing plate 63 is attached to the top wall of the second load-bearing plate 142. The end of the track door 6 is supported by the cooperation between the fourth load-bearing plate 63 and the second load-bearing plate 142. At the same time, a horizontal support plate 9 is welded to one side of the track door 6 and the load-bearing bracket 1. When the track door 6 is fully opened, the bottom wall of the support plate 9 of the track door 6 and the top wall of the support plate 9 of the load-bearing bracket 1 are attached to each other and pressed tightly. The support plate 9 provides auxiliary support for the track door 6.

[0056] Both the second load-bearing plate 142 and the fourth load-bearing plate 63 have chamfers on their opposite sides to guide their mutual shearing and sliding, thus preventing them from getting stuck when they intersect.

[0057] Several first support blocks 143 are welded to the bottom wall of the second load-bearing plate 142, and several second support blocks 64 are welded to the top wall of the fourth load-bearing plate 63. The first support blocks 143 and the second support blocks 64 correspond one-to-one.

[0058] One end of the first support block 143 is welded and fixed to the first load-bearing plate 141, and the other end of the first support block 143 is provided with a bevel 65. One end of the second support block 64 is welded and fixed to the third load-bearing plate 62, and the other end of the second support block 64 is also provided with a bevel 65. When the track door 6 is fully opened, the bevel 65 of the second support block 64 fits against the bevel 65 of the first support block 143. Through the support of the support block, the shearing force of the second load-bearing plate 142 and the fourth load-bearing plate 63 on the connecting shaft 8 is reduced, thereby making the connecting shaft 8 less prone to deformation. This makes subsequent disassembly more convenient and prevents the track door 6 from becoming stuck due to deformation of the connecting shaft 8, which would otherwise cause disassembly difficulties.

[0059] When disassembling the track door 6, the track door 6 needs to be hung on a crane or gantry crane by ropes or chains. The cooperation between the second load-bearing plate 142 and the fourth load-bearing plate 63, the cooperation between the first support plate 9 and the second support plate 9, and the support of the vertical clamp 66 ensure that the track door 6 can still be kept in the installation position after the installation shaft is pulled out. This makes the disassembly of the track door 6 safer and prevents the track door 6 from shaking after the installation shaft is pulled out, which could cause injury to the disassembly personnel.

[0060] When the track door 6 is closed, the vertical clamp 66 supports the side of the track door 6 away from the first connector 14, which reduces the force on the connecting shaft 8 when the track door 6 is closed for a long time, making the connecting shaft 8 more durable.

[0061] Meanwhile, since the load-bearing bracket 1, base plate bracket 2, top plate bracket 3, back plate bracket 4, plate rack 5, and track door 6 are all designed as plates, they can be stacked for transportation after disassembly, making transportation more convenient.

[0062] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A split-type pull-out heavy-duty sheet metal shelving unit, characterized in that: It includes two load-bearing supports (1), a base plate support (2), a top plate support (3), a back plate support (4), several sheet metal racks (5), and a track door (6). The load-bearing supports (1) are defined as vertical. The bottom of the load-bearing supports (1) is provided with several support plates (11) to disperse the pressure of the load-bearing supports (1) on the ground. The load-bearing supports (1) at the support plates (11) are provided with reinforcing plates (12). The reinforcing plates (12) are vertical and their lower sides are attached to and pressed against the top wall of the support plates (11). The base plate support (2) The top plate bracket (3) is connected to the reinforcing plate (12) and the load-bearing bracket (1) by bolts. Both ends of the top plate bracket (3) are detachably installed on the top of the two load-bearing brackets (1). The back plate bracket (4) is detachably installed on one side of the load-bearing bracket (1). The track door (6) is detachably and rotatably installed on the other side of the load-bearing bracket (1). When the track door (6) is opened, the track door (6) and the plate rack (5) also slide and cooperate. Both ends of the plate rack (5) are respectively slidably installed on the two load-bearing brackets (1).

2. The split-type pull-out heavy-duty sheet metal rack according to claim 1, characterized in that: The top of the load-bearing bracket (1) is provided with a first mounting plate (13) at both ends, and the top plate bracket (3) is provided with a second mounting plate (31) at both ends. When the top plate bracket (3) is installed on the top of the load-bearing bracket (1), the first mounting plate (13) and the second mounting plate (31) are connected to each other in a one-to-one correspondence. The first mounting plate (13) and the second mounting plate (31) are used to expand the face contact at the connection between the top plate bracket (3) and the load-bearing bracket (1).

3. The split-type pull-out heavy-duty sheet metal rack according to claim 1, characterized in that: The base plate bracket (2) is provided with a pad (22) in the middle. When the ground is horizontal, the base plate bracket (2) is placed on the ground. The pad (22) is used to raise the base plate bracket (2). At this time, the bolts of the base plate bracket (2) are aligned with the threaded holes (121) of the reinforcing plate (12) in the horizontal direction.

4. The split-type pull-out heavy-duty sheet metal rack according to claim 1, characterized in that: The load-bearing bracket (1) is provided with a plurality of first connectors (14) in the vertical direction. The track door (6) is vertical. The side of the track door (6) connected to the load-bearing bracket (1) is provided with a plurality of second connectors (61) in the vertical direction. The first connectors (14) and the second connectors (61) correspond one-to-one. The track door (6) and the load-bearing bracket (1) are rotatably connected by the cooperation of the first connectors (14) and the second connectors (61). The first connector (14) located at the uppermost side is provided on the top plate bracket (3).

5. A split-type pull-out heavy-duty sheet metal shelving unit according to claim 4, characterized in that: The first connecting member (14) includes a first load-bearing plate (141) and a plurality of second load-bearing plates (142). The first load-bearing plate (141) is vertical and disposed on the load-bearing bracket (1), and the second load-bearing plates (142) are horizontal. The second load-bearing plates (142) are evenly spaced on the first load-bearing plate (141) in the vertical direction. The second connecting member (61) includes a third load-bearing plate (62) and a plurality of fourth load-bearing plates (63). The third load-bearing plate (62) is disposed on the track door (6), and the fourth load-bearing plates (63) are horizontal and evenly spaced on the third load-bearing plate (62) in the vertical direction. The plate (63) corresponds one-to-one with the second load-bearing plate (142). The bottom wall of the second load-bearing plate (142) is attached to the top wall of the fourth load-bearing plate (63). One end of the second load-bearing plate (142) and the fourth load-bearing plate (63) are rotatably connected by a connecting shaft (8). The lower end of the side of the track door (6) away from the second connector (61) is provided with a vertical clamp (66). The vertical clamp (66) is used to support and fix the track door (6). When the track door (6) is fully opened, the bottom wall of one side of the fourth load-bearing plate (63) is attached to the top wall of one side of the second load-bearing plate (142).

6. A split-type pull-out heavy-duty sheet metal rack according to claim 5, characterized in that: The bottom wall of the second load-bearing plate (142) is provided with a number of first support blocks (143), and the top wall of the fourth load-bearing plate (63) is provided with a number of second support blocks (64) corresponding one-to-one with the first support blocks (143). One end of the first support block (143) is connected to the first load-bearing plate (141), and the other end of the first support block (143) is provided with a slope (65). One end of the second support block (64) is connected to the third load-bearing plate (62), and the other end of the second support block (64) is also provided with a slope (65). When the track door (6) is fully opened, the slope (65) of the second support block (64) fits into the slope (65) of the first support block (143).

7. A split-type pull-out heavy-duty sheet metal shelving unit according to claim 1, characterized in that: The track door (6) and the load-bearing bracket (1) are rotatably connected on one side, and the support plate (9) is provided on the other side. The support plate (9) is set vertically. When the track door (6) is fully opened, the bottom wall of the support plate (9) of the track door (6) is pressed against the top wall of the support plate (9) of the load-bearing bracket (1).

8. A split-type pull-out heavy-duty sheet metal rack according to claim 6, characterized in that: Both the fourth load-bearing plate (63) and the second load-bearing plate (142) have chamfers on their opposite sides.

9. A split-type pull-out heavy-duty sheet metal shelving unit according to claim 3, characterized in that: The backplate support (4) includes several first support rods (41) and several second support rods (42). The second support rods (42) are grouped in pairs, and each group of support rods is cross-connected. The lower end of the first support rod (41) is fixedly connected to the pad (22) by bolts. The upper end of the first support rod (41) is detachably connected to the top plate support (3) by bolts. The two ends of the second support rod (42) located between the load-bearing support (1) and the first support rod (41) are detachably connected to the load-bearing support (1) and the first support rod (41) respectively. The two ends of the second support rod (42) located between the two first support rods (41) are detachably connected to the two first support rods (41) respectively.

10. A split-type pull-out heavy-duty sheet metal shelving unit according to claim 1, characterized in that: The sheet metal rack (5) is equipped with rollers (51) on both sides. The load-bearing bracket (1) and the track door (6) are both equipped with several slide rails (7) in the vertical direction. The slide rails (7) of the load-bearing bracket (1) correspond one-to-one with the slide rails (7) of the track door (6). When the track door (6) is opened, the slide rails (7) of the track door (6) are aligned one-to-one with the slide rails (7) of the load-bearing bracket (1). The sheet metal rack (5) is connected to the slide rails (7) by the rollers (51). The sliding installation between the rails (7) is mounted on the load-bearing bracket (1) or the track door (6). The vertical distance between the two rails (7) is greater than the thickness of the sheet metal rack (5). The sheet metal rack (5) can be lifted and taken out between the two rails (7). Each of the rollers (51) has a retaining ring (511) on its opposite side. The retaining ring (511) fits against the side of the rail (7) and limits the lateral displacement of the sheet metal rack (5) through the retaining ring (511).

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