CN210842463U

CN210842463U - Beam assembly for heavy-load goods shelf

Info

Publication number: CN210842463U
Application number: CN201921634892.5U
Authority: CN
Inventors: 朱国强
Original assignee: Changshu Wanshun Angle Steel Shelf Manufacturing Co ltd
Current assignee: Changshu Wanshun Angle Steel Shelf Manufacturing Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-26
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a heavy load is beam assembly for goods shelves, includes the crossbeam body and establishes the plug socket at crossbeam body both ends, and the crossbeam body encloses into hollow rectangular pipe, characteristics by preceding curb plate, posterior lateral plate, top board and lower curb plate: the plug socket is composed of a beam fixing plate and an upright post hanging plate, the beam fixing plate and the upright post hanging plate are bent, at least one pair of fin plates and a beam supporting plate are arranged on the upright post hanging plate, the fin plates and the beam supporting plate protrude towards the direction of the beam body, and the width between each pair of fin plates is matched with the width of an inner hole of a hollow rectangular tube of the beam body; when the plug socket is connected with the beam body, the fin plate is inserted into one end of the hollow rectangular tube of the beam body and is matched with the inner walls of the front side plate and the rear side plate, the fin plate and the rectangular tube are connected through a connecting piece, and the beam supporting plate is abutted against the lower side surface of the lower side plate of the beam body and is connected through the connecting piece. The structure is firm and durable, the production process is environment-friendly, the use is safe, the service life is long, the labor, the time and the energy are saved, and the anti-corrosion effect is ideal.

Description

Beam assembly for heavy-load goods shelf

Technical Field

The utility model belongs to the technical field of goods shelves, concretely relates to heavy load is beam assembly for goods shelves.

Background

The heavy-load goods shelf is the most common goods shelf, the bearing of each layer is usually over 500Kg, and the heavy-load goods shelf has the characteristics of heavy bearing, wide height application range, mechanical access, high selection efficiency and the like, can be widely applied to the fields of manufacturing industry, third-party logistics, distribution centers and the like, and is suitable for various small-batch goods and small-batch goods. Such racks are used more frequently in high-level warehouses and ultrahigh-level warehouses, and are most frequently used in automated stereoscopic warehouses. Heavy load goods shelves also known as crossbeam formula goods shelves, generally adopt cold rolling deformed steel to make, the stand is formed by omega shaped steel surface towards diamond-shaped hole, the crossbeam is formed by the pendant is connected to the welding of embracing the roof beam, current welding of embracing all adopts the rectangle side pipe or the finished product rectangle side pipe on the market that is folded by the iron sheet, then be fixed with the pendant through the electric welding welded mode at the both ends of welding of embracing the roof beam, both weld between pendant and the welding of embracing the roof beam and carry out deoiling washing bonderizing again after firm, then spray plastics on the outer surface and bake the processing, at last the welding of embracing the roof beam is through the. The process is complex, the manufacturing process is long, the manufacturing cost is increased, the labor input is correspondingly increased, and the problems of fire safety and environmental protection exist. In addition, the molecular structure of metal can be damaged after electric welding, uncertain factors exist in welding fastness, and in addition, the reverse side of the iron sheet is easy to rust and corrode due to the fact that plastic cannot be sprayed, so that the aging is generated in advance, the service life is influenced, and great potential safety hazards exist.

In view of the above, there is a need for a reasonable improvement of the beam structure for heavy-duty pallets. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims to provide a heavy load is beam assembly for goods shelves, its sturdy structure is durable, and the production process environmental protection, safe in utilization and longe-lived, labour saving and time saving economize on energy, rust-resistant effect ideal that loses.

The utility model discloses a task is accomplished like this, a heavy load is beam assembly for goods shelves, including a crossbeam body and a pair of bayonet socket that sets up at crossbeam body both ends, the crossbeam body be a hollow rectangular pipe, it is enclosed to separate by preceding curb plate, posterior lateral plate, top side plate and lower curb plate and forms, the bayonet socket constitute by a crossbeam fixed plate and a stand and hang the board, the crossbeam fixed plate with stand hang and be the setting of buckling between the board, be provided with a pair of fin board and a crossbeam layer board that sets up face to face each other on the crossbeam fixed plate at least, fin board and crossbeam layer board under the user state towards the direction of crossbeam body outstanding and be perpendicular setting between fin board and the crossbeam layer board, wherein the width between each pair of fin board with the hole width phase-match of the hollow rectangular pipe of crossbeam body; at least one row of embedded feet matched with the shelf upright posts are arranged on the upright post hanging plate at intervals along the height direction; when the plug socket with the crossbeam body be connected, the fin insert in the hollow rectangular pipe one end of crossbeam body and cooperate with the inner wall of the preceding curb plate of crossbeam body, posterior lateral plate respectively, constitute through connecting piece I between the two and be dismantled fixed connection, the crossbeam layer board then support and lean on the basal plane below of the lower plate of crossbeam body, constitute through connecting piece II between the two and be dismantled fixed connection.

In a specific embodiment of the present invention, at least a pair of connecting holes i opposite to each other are respectively formed on the front side plate and the rear side plate at both ends of the beam body, and at least a connecting hole ii is formed on the lower side plate; the fin plate is provided with at least one pair of connecting holes III opposite to each other, and the beam supporting plate is provided with at least one connecting hole IV; when the plug socket is connected with the beam body, the fin plate is inserted into one end of the hollow rectangular tube of the beam body and is respectively matched with the inner walls of the front side plate and the rear side plate of the beam body, the connecting hole I and the corresponding connecting hole III are detachably and fixedly connected through the connecting piece I, and the connecting hole II and the connecting hole IV are detachably and fixedly connected through the connecting piece II.

In another specific embodiment of the present invention, the beam assembly further includes at least one reinforcing plate, the reinforcing plate is fixedly mounted on the fin plate and is used for connecting with the beam body, and the reinforcing plate can increase the connection strength between the fin plate and the beam body and improve the bearing capacity of the beam assembly.

In another specific embodiment of the present invention, the cross-section of the reinforcing plate is in a door shape, at least one pair of connecting holes v and at least one pair of connecting holes vi are disposed on the front side and the rear side of the door-shaped reinforcing plate, respectively, and the connecting holes v and vi are disposed on the left and right sides of the front side and the rear side of the reinforcing plate, respectively; the beam comprises a beam body, a front side plate, a rear side plate and a connecting hole I, wherein the front side plate and the rear side plate are respectively provided with a connecting hole VII; when the plug socket is connected with the beam body, the fin plate and the reinforcing plate are inserted into one end of the hollow rectangular tube of the beam body together, the front side face and the rear side face of the reinforcing plate are respectively matched with the inner walls of the front side plate and the rear side plate of the beam body, the connecting holes I, the corresponding connecting holes V and the corresponding connecting holes III are detachably and fixedly connected through the connecting pieces I, and the connecting holes VI and the corresponding connecting holes VII are detachably and fixedly connected through the connecting pieces III.

In another specific embodiment of the present invention, the door-shaped reinforcing plate is further fixedly provided with cover plates at the open ends of the upper and lower sides thereof.

In yet another specific embodiment of the present invention, the reinforcing plates are plate-shaped, and there is a pair of reinforcing plates, each reinforcing plate is fixedly disposed outside the fins facing each other and has at least a connecting hole v and a connecting hole vi formed thereon, the connecting holes v and vi are respectively located on the left and right sides of the reinforcing plate in the length direction; the beam comprises a beam body, a front side plate, a rear side plate and a connecting hole I, wherein the front side plate and the rear side plate are respectively provided with a connecting hole VII; when the plug socket is connected with the beam body, the fin plate and the reinforcing plate are inserted into one end of the hollow rectangular tube of the beam body together, the pair of reinforcing plates are respectively matched with the inner walls of the front side plate and the rear side plate of the beam body, the connecting holes I, the corresponding connecting holes V and the corresponding connecting holes III are detachably and fixedly connected through the connecting pieces I, and the connecting holes VI and the corresponding connecting holes VII are detachably and fixedly connected through the connecting pieces III.

In yet another specific embodiment of the present invention, the connecting member i, the connecting member ii and the connecting member iii are screw nut structures or rivet structures.

In a more specific embodiment of the present invention, the cross beam body is made of a rectangular square tube or a welded beam made of galvanized sheet; the plug socket is made of an L-shaped right-angled bent shape by adopting a galvanized sheet.

In yet another specific embodiment of the present invention, the galvanized sheet is one of an aluminum-zinc-plated steel sheet or a magnesium-aluminum-zinc-plated steel sheet.

In yet another specific embodiment of the present invention, the beam body or the socket is provided with a load limiting mark, and the load limiting mark is used for limiting the maximum load capacity of the beam assembly.

The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: firstly, the beam assembly is detachably and movably connected, so that the beam body and the plug sockets on two sides are separately assembled, a fin plate and a beam supporting plate which are used for being connected with the beam body are directly stamped on a beam fixing plate of the plug sockets and are fixed through a connecting piece, therefore, not only can the stacking area be saved, the packaging volume be reduced and the transportation be convenient, and the logistics cost be saved, but also the connecting strength of the beam assembly can be further improved by matching with a reinforcing plate for use, so that the structure is firmer and more durable, and the service life is long; secondly, if the crossbeam body and the plug connector are both made of galvanized plates, electric welding and plastic spraying are not needed, the production process is environment-friendly, labor, time and energy are saved, and the anti-corrosion effect is ideal; third, the crossbeam body on carved with the limit and carry the sign, prevented like this that the middleman from taking out and exaggerate the safety risk who bears weight and exist, overcome the sticker matter slogan among the prior art simultaneously and let the people easily with change or the drawback that drops naturally for a long time.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: 1. the beam comprises a beam body, 11, a front side plate, 12, a lower side plate, 13, a rear side plate, 14, an upper side plate, 15, connecting holes I and 16, connecting holes II and 17, a load limiting mark and 18, a connecting hole VII; 2. the device comprises a plug socket, 21 beam fixing plates, 211 fin plates, 2111 connecting holes III, 212 beam supporting plates, 2121 connecting holes IV, 22 upright post hanging plates and 221 embedded pins; 3. shelf upright posts, 31, embedded pin jacks; 4. a connecting piece I; 5. a connecting piece II; 6. a connecting piece III; 7. and the reinforcing plate is 71, the connecting holes V and 72, the connecting holes VI and 73 and the cover plate.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and back are given with respect to the position state of fig. 1, and thus should not be interpreted as limiting the technical solution provided by the present invention.

Example 1

Referring to fig. 1, the present embodiment relates to a beam assembly for a heavy-duty rack, including a beam body 1 and a pair of sockets 2 disposed at two ends of the beam body 1, where the beam body 1 is a hollow rectangular tube and is formed by surrounding a front side plate 11, a rear side plate 13, an upper side plate 14 and a lower side plate 12, the beam body 1 is preferably made of a rectangular square tube or a welding beam made of a galvanized plate, and meanwhile, in order to not damage a metal molecule composition structure and a galvanized surface corrosion-resistant protection element, the beam body 1 is preferably made of a rectangular square tube or a welding beam without welding, and preferably connected by a galvanized screw or a galvanized solid iron rivet or a plug-in pin-added connection, and the beam body 1 is not limited in material, but may be made of stainless steel. The material of the socket 2 is also not limited, and in this embodiment, the socket is preferably made of a galvanized plate, the galvanized plate is mainly made of an aluminum-zinc-plated steel plate or a magnesium-aluminum-zinc-plated steel plate, and the galvanized plate is not rusted at the punched hole and the cut, so that the socket can be compared favorably with a stainless steel product, can really achieve high quality and low price, can prolong the service life, and meanwhile, enables the shelf to be firmer and more difficult to use. The plug socket 2 is composed of a beam fixing plate 21 and an upright post hanging plate 22, the beam fixing plate 21 and the upright post hanging plate 22 are arranged in an L-shaped vertical bending manner, at least one pair of fin plates 211 and one beam supporting plate 212 which are arranged face to face are arranged on the beam fixing plate 21, in the embodiment, two pairs of fin plates 211 and one beam supporting plate 212 are illustrated, the two pairs of fin plates 211 and the one beam supporting plate 212 are directly formed by punching the beam fixing plate 21 and protrude towards the direction of the beam body 1 in a use state, the two pairs of fin plates 211 are arranged at intervals up and down, the beam supporting plate 212 is positioned below the height direction of the fin plates 211 and is arranged vertically, and the width between each pair of fin plates 211 is matched with the width of an inner hole of a hollow rectangular tube of the beam body 1; in addition, the beam supporting plate 212 may be disposed above the fin 211 in the height direction, which is not illustrated in this embodiment. At least one row of embedded feet 221 are arranged on the upright post hanging plate 22 at intervals along the height direction, only one row is illustrated in the embodiment, and the row of embedded feet 221 is matched with the embedded foot insertion holes 31 on the shelf upright post 3 to fixedly install the inserting seat 2 on the shelf upright post 3. When the plug socket 2 with the crossbeam body 1 be connected, two pairs of fin plates 211 insert in the hollow rectangular pipe one end of crossbeam body 1 and cooperate with the inner wall of preceding curb plate 11, the posterior lateral plate 13 of crossbeam body 1 respectively, constitute through connecting piece I4 between the two and can dismantle fixed connection, crossbeam layer board 212 then support and lean on the basal plane below of the lower side plate 12 of crossbeam body 1, constitute through connecting piece II 5 between the two and can dismantle fixed connection.

Furthermore, two ends of the beam body 1 are respectively provided with at least one pair of connecting holes i 15 opposite to each other on the front side plate 11 and the rear side plate 13, and at least one connecting hole ii 16 on the lower side plate 12, in this embodiment, there are four pairs of connecting holes i 15, two pairs of connecting holes are provided respectively at the upper and lower parts, and only one connecting hole ii 16 is illustrated; the fin plate 211 is provided with at least one pair of connecting holes iii 2111 opposite to each other, and the beam supporting plate 212 is provided with at least one connecting hole iv 2121, in this embodiment, there are four pairs of the connecting holes iii 2111, two pairs are provided on each pair of fin plates 211, and only one connecting hole iv 2121 is illustrated; when the plug socket 2 is connected with the beam body 1, the fin plate 211 is inserted into one end of the hollow rectangular tube of the beam body 1 and is respectively matched with the inner walls of the front side plate 11 and the rear side plate 13 of the beam body 1, the four pairs of connecting holes I15 and the corresponding connecting holes III 2111 are respectively detachably and fixedly connected through connecting pieces I4, and the connecting hole II 16 and the connecting hole IV 2121 are detachably and fixedly connected through connecting pieces II 5.

Further, the connecting pieces i 4 and ii 5 are screw nut structures or rivet structures, in this embodiment, the connecting piece i 4 is a rivet structure, and the connecting piece ii 5 is a screw nut structure.

Further, the beam body 1 or the plug socket 2 is provided with a load limiting mark 17, and the load limiting mark 17 is used for limiting the maximum bearing capacity of the beam assembly, so that a user is prevented from using the beam assembly under the condition that the maximum bearing capacity is exceeded, and the safety performance is improved.

Example 2

Referring to fig. 2, in the present embodiment, the beam assembly further includes at least one reinforcing plate 7, the reinforcing plate 7 is fixedly mounted on the fin 211 and is used for being connected to the beam body 1, and the reinforcing plate 7 can increase the connection strength between the fin 211 and the beam body 1 and improve the carrying capacity of the beam assembly.

Furthermore, the cross section of the reinforcing plate 7 is in a door shape, at least one pair of connecting holes v 71 and at least one pair of connecting holes vi 72 which are opposite to each other are respectively arranged on the front side surface and the rear side surface of the door-shaped reinforcing plate 7, the connecting holes v 71 and the connecting holes vi 72 are respectively positioned on the left side and the right side of the front side surface and the rear side surface of the reinforcing plate 7, in the embodiment, four pairs of the connecting holes v 71 are provided, two pairs of the connecting holes are respectively arranged on the upper side and the lower side, and one pair of the connecting holes vi 72 is provided, and is respectively positioned above and below the front side surface and the rear side surface of the reinforcing plate 7; two ends of the beam body 1 are respectively provided with at least one pair of connecting holes I15 opposite to each other and at least one pair of connecting holes VII 18 opposite to each other on the front side plate 11 and the rear side plate 13, the connecting holes VII 18 are positioned on the right side of the connecting holes I15, in the embodiment, the connecting holes VII 18 are two pairs, namely, an upper connecting hole and a lower connecting hole, the connecting holes I15 are four pairs, and the upper connecting hole and the lower connecting hole are two pairs; when the plug socket 2 is connected with the beam body 1, the peripheries of the two pairs of fin plates 211 are welded together with the front side surface and the rear side surface of the reinforcing plate 7 by a welding machine, rust prevention treatment is performed at the welding position, the connecting hole V71 on the reinforcing plate 7 is aligned to the connecting hole III 2111 on the fin plate 211, then the fin plate 211 and the reinforcing plate 7 are inserted into one end of the hollow rectangular tube of the beam body 1 together, the front side surface and the rear side surface of the reinforcing plate 7 are respectively matched with the inner walls of the front side plate 11 and the rear side plate 13 of the beam body 1, the four pairs of connecting holes I15, the corresponding connecting holes V71 and the corresponding connecting holes III 2111 are respectively detachably and fixedly connected through connecting pieces I4, and the pair of connecting holes VI 72 and the corresponding connecting holes VII 18 are respectively detachably and fixedly connected through connecting pieces III 6. The rest is the same as the description of the first embodiment.

Furthermore, the upper and lower open ends of the door-shaped reinforcing plate 7 are also fixedly provided with cover plates 73, and the fixing mode between the cover plates 73 and the reinforcing plate 7 is not limited at all, and the cover plates 73 and the reinforcing plate 7 can be integrally manufactured or can be welded and fixed.

Further, connecting piece I4, connecting piece III 6 be screw nut structure or rivet structure, in this embodiment, connecting piece I4, connecting piece III 6 all adopt rivet structure.

Example 3

Referring to fig. 3, in the present embodiment, the beam assembly further includes at least one reinforcing plate 7, the reinforcing plate 7 is fixedly mounted on the fin 211 and is used for being connected to the beam body 1, and the reinforcing plate 7 can increase the connection strength between the fin 211 and the beam body 1 and improve the carrying capacity of the beam assembly.

Furthermore, the reinforcing plates 7 are plate-shaped, a pair of reinforcing plates 7 are provided, each reinforcing plate 7 is welded on the outer sides of the mutually facing fin plates 211 by carbon dioxide arc welding and is subjected to rust prevention treatment at the welding position, at least one connecting hole v 71 and one connecting hole vi 72 are provided on the reinforcing plate 7, the connecting holes v 71 and the connecting holes vi 72 are respectively located on the left side and the right side of the reinforcing plate 7 in the length direction, in the embodiment, the number of the connecting holes v 71 is four, the upper side and the lower side are respectively provided with two, the number of the connecting holes vi 72 is two, and the upper side and the lower side are respectively provided with one; two ends of the beam body 1 are respectively provided with at least one pair of connecting holes I15 opposite to each other and at least one pair of connecting holes VII 18 opposite to each other on the front side plate 11 and the rear side plate 13, the connecting holes VII 18 are positioned on the right side of the connecting holes I15, in the embodiment, the connecting holes VII 18 are two pairs, namely, an upper connecting hole and a lower connecting hole, the connecting holes I15 are four pairs, and the upper connecting hole and the lower connecting hole are two pairs; when the socket 2 is connected with the beam body 1, the fin plate 211 and the reinforcing plate 7 are inserted into one end of the hollow rectangular tube of the beam body 1 together, and a pair of reinforcing plates 7 are respectively matched with the inner walls of the front side plate 11 and the rear side plate 13 of the beam body 1, the four pairs of connecting holes I15, the corresponding connecting holes V71 and the corresponding connecting holes III 2111 are respectively detachably and fixedly connected through connecting pieces I4, and the pair of connecting holes VI 72 and the corresponding connecting holes VII 18 are respectively detachably and fixedly connected through connecting pieces III 6. The rest is the description of embodiment one.

Here, it should be noted that: the crossbeam body 1, the plug socket 2 all adopt galvanized sheet or stainless steel to make and form, in the in-service use, can be according to customer's demand, this galvanized sheet or stainless steel surface both can not spray plastics, also can spray plastics. When the plastic spraying is needed, as the adopted material is a galvanized plate or a stainless steel plate, compared with the plastic spraying on the surface of an iron sheet in the prior art, the plastic spraying machine also saves a plurality of procedures such as electric welding, water washing, phosphorization and the like, can shorten the production period, saves a large amount of labor, and is favorable for environmental protection. And because the two-sided rust-resistant of many places for this span beam subassembly is sturdy and durable more, has greatly prolonged life.

Claims

1. The utility model provides a heavy load is beam assembly for goods shelves, includes a crossbeam body (1) and a pair of plug socket (2) of setting at crossbeam body (1) both ends, crossbeam body (1) be a hollow rectangular pipe, it is enclosed by preceding curb plate (11), posterior lateral plate (13), last curb plate (14) and lower curb plate (12) and separates and form its characterized in that: the plug socket (2) is composed of a beam fixing plate (21) and an upright post hanging plate (22), the beam fixing plate (21) and the upright post hanging plate (22) are arranged in a bending mode, at least one pair of a fin plate (211) and a beam supporting plate (212) which are arranged face to face are arranged on the beam fixing plate (21), the fin plate (211) and the beam supporting plate (212) protrude towards the direction of the beam body (1) in a use state, the fin plate (211) and the beam supporting plate (212) are arranged vertically, and the width between each pair of fin plates (211) is matched with the width of an inner hole of a hollow rectangular tube of the beam body (1); at least one row of embedded feet (221) matched with the shelf upright posts are arranged on the upright post hanging plate (22) at intervals along the height direction; when bayonet socket (2) with crossbeam body (1) connect, fin board (211) insert in crossbeam body (1) hollow rectangular pipe one end and cooperate with the inner wall of preceding curb plate (11), posterior lateral plate (13) of crossbeam body (1) respectively, constitute through connecting piece I (4) between the two and can dismantle fixed connection, crossbeam layer board (212) then support and lean on the basal plane below of the lower side board (12) of crossbeam body (1), constitute through connecting piece II (5) between the two and can dismantle fixed connection.

2. The beam assembly for heavy-duty goods shelves according to claim 1, characterized in that both ends of the beam body (1) are respectively provided with at least one pair of connecting holes I (15) opposite to each other on the front side plate (11) and the rear side plate (13), and at least one connecting hole II (16) on the lower side plate (12); the fin plate (211) is provided with at least one pair of connecting holes III (2111) opposite to each other, and the beam supporting plate (212) is provided with at least one connecting hole IV (2121); when the plug socket (2) is connected with the beam body (1), the fin plate (211) is inserted into one end of a hollow rectangular pipe of the beam body (1) and is respectively matched with the inner walls of a front side plate (11) and a rear side plate (13) of the beam body (1), the connecting hole I (15) and the corresponding connecting hole III (2111) are detachably and fixedly connected through a connecting piece I (4), and the connecting hole II (16) and the connecting hole IV (2121) are detachably and fixedly connected through a connecting piece II (5).

3. The cross beam assembly for the heavy-duty goods shelves according to claim 1, characterized in that the cross beam assembly further comprises at least one reinforcing plate (7), the reinforcing plate (7) is fixedly installed on the fin plate (211) and is used for being connected with the cross beam body (1), and the reinforcing plate (7) can increase the connection strength between the fin plate (211) and the cross beam body (1) and improve the bearing capacity of the cross beam assembly.

4. The cross beam assembly for the heavy-duty goods shelves according to claim 3, wherein the cross section of the reinforcing plate (7) is in a door shape, at least one pair of connecting holes V (71) and at least one pair of connecting holes VI (72) are arranged on the front side surface and the rear side surface of the door-shaped reinforcing plate (7) and are opposite to each other, and the connecting holes V (71) and the connecting holes VI (72) are respectively arranged on the left side and the right side of the front side surface and the rear side surface of the reinforcing plate (7); the two ends of the beam body (1) are respectively provided with at least one pair of connecting holes I (15) opposite to each other and at least one pair of connecting holes VII (18) opposite to each other on the front side plate (11) and the rear side plate (13), and the connecting holes VII (18) are positioned on the right side of the connecting holes I (15); when the plug socket (2) is connected with the beam body (1), the fin plate (211) and the reinforcing plate (7) are inserted into one end of the hollow rectangular tube of the beam body (1), the front side surface and the rear side surface of the reinforcing plate (7) are respectively matched with the inner walls of the front side plate (11) and the rear side plate (13) of the beam body (1), the connecting holes I (15), the corresponding connecting holes V (71) and the corresponding connecting holes III (2111) are detachably and fixedly connected through connecting pieces I (4), and the connecting holes VI (72) and the corresponding connecting holes VII (18) are detachably and fixedly connected through connecting pieces III (6).

5. The cross beam assembly for heavy-duty goods shelves according to claim 4, wherein the door-shaped reinforcing plate (7) is further fixedly provided with a cover plate (73) at the open ends of the upper and lower sides.

6. The cross beam assembly for heavy-duty goods shelves according to claim 3, wherein the reinforcing plates (7) are plate-shaped, a pair of the reinforcing plates (7) are provided, each reinforcing plate (7) is fixedly arranged at the outer side of the fin plates (211) which are arranged opposite to each other and is provided with at least one connecting hole V (71) and one connecting hole VI (72), and the connecting holes V (71) and the connecting holes VI (72) are respectively positioned at the left side and the right side of the reinforcing plate (7) in the length direction; the two ends of the beam body (1) are respectively provided with at least one pair of connecting holes I (15) opposite to each other and at least one pair of connecting holes VII (18) opposite to each other on the front side plate (11) and the rear side plate (13), and the connecting holes VII (18) are positioned on the right side of the connecting holes I (15); when the plug socket (2) is connected with the beam body (1), the fin plate (211) and the reinforcing plates (7) are inserted into one end of the hollow rectangular tube of the beam body (1), the pair of reinforcing plates (7) are respectively matched with the inner walls of the front side plate (11) and the rear side plate (13) of the beam body (1), the connecting holes I (15), the corresponding connecting holes V (71) and the corresponding connecting holes III (2111) are detachably and fixedly connected through connecting pieces I (4), and the connecting holes VI (72) and the corresponding connecting holes VII (18) are detachably and fixedly connected through connecting pieces III (6).

7. The cross beam assembly for heavy-duty goods shelves of claim 1, wherein the connecting members I (4), II (5) and III (6) are screw and nut structures or rivet structures.

8. The cross beam assembly for the heavy-duty goods shelf according to claim 1, wherein the material of the cross beam body (1) is a rectangular square tube or a welding beam made of galvanized sheet; the plug-in socket (2) is made of an L-shaped right-angled bent shape by adopting a galvanized sheet.

9. The beam assembly of claim 8, wherein the galvanized sheet is one of an aluminum-zinc-plated steel sheet or a magnesium-aluminum-zinc-plated steel sheet.

10. The beam assembly for heavy-duty goods shelves of claim 1, characterized in that the beam body (1) or the socket (2) is provided with a load limiting mark (17), and the load limiting mark (17) is used for limiting the maximum load capacity of the beam assembly.