CN219598482U - H-shaped steel assembly production system - Google Patents
H-shaped steel assembly production system Download PDFInfo
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- CN219598482U CN219598482U CN202320800111.5U CN202320800111U CN219598482U CN 219598482 U CN219598482 U CN 219598482U CN 202320800111 U CN202320800111 U CN 202320800111U CN 219598482 U CN219598482 U CN 219598482U
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Abstract
The utility model discloses an H-shaped steel assembly production system, which is used for assembling a T-shaped piece and a bottom plate and comprises the following components: the system comprises a T-shaped piece conveying system, an H-shaped steel team forming system and an H-shaped steel welding system which are connected in sequence. The T-piece transportation system is used for directionally transporting the T-pieces towards the H-steel team system. The H-beam automatic team forming system comprises: the conveying devices, the T-shaped piece rotating devices and the bottom plate conveying devices are inserted between the conveying devices. A through hole and a mounting notch are formed in the T-shaped piece rotating device, and the mounting notch is connected with the through hole. The conveying device is used for directionally conveying the T-shaped piece from the T-shaped piece conveying system to the H-shaped steel welding system, when the T-shaped piece passes through the through hole of the T-shaped piece rotating device, the T-shaped piece rotating device grabs and rotates the T-shaped piece penetrating through the through hole, the bottom plate conveying device is used for conveying the bottom plate into the T-shaped piece rotating device along the installation notch, and the T-shaped piece rotating device is used for connecting the bottom end of the T-shaped piece vertical plate to the bottom plate in a positioning mode. The manual operation is not needed, the installation and the positioning are accurate, and the working efficiency is high.
Description
Technical Field
The utility model relates to the technical field of H-shaped steel production, in particular to an H-shaped steel assembly production system.
Background
In the prior art, a great deal of manpower is required in the production process of H-shaped steel assembly, and the position of a T-shaped piece is required to be manually adjusted in the process of forming a team by the T-shaped piece and a bottom plate, so that the production time is greatly prolonged; and the manual operation is easy to miss, and the defective rate is increased.
Therefore, how to provide an H-section steel production system that shortens the production time is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide an H-shaped steel assembly production system with high production efficiency and high automation degree.
In order to achieve the above object, the present utility model provides an H-section steel assembly production system for assembling a T-shaped member with a bottom plate, comprising: the system comprises a T-shaped piece conveying system, an H-shaped steel team forming system and an H-shaped steel welding system which are connected in sequence;
the T-shaped piece conveying system is used for directionally conveying the T-shaped pieces towards the H-shaped steel team forming system;
the H-beam automatic team forming system comprises: a plurality of conveying devices, a T-shaped piece rotating device and a bottom plate conveying device, wherein the T-shaped piece rotating device and the bottom plate conveying device are inserted between the conveying devices; the T-shaped part rotating device is provided with a through hole and a mounting notch connected with the through hole;
the conveying device is used for directionally conveying the T-shaped piece from the T-shaped piece conveying system to the H-shaped steel welding system;
the T-shaped piece rotating device is used for rotating the T-shaped piece penetrating through the through hole so as to position the bottom end of the T-shaped piece vertical plate on the bottom plate;
the bottom plate conveying device is used for conveying the bottom plate into the T-shaped piece rotating device along the mounting notch;
the H-shaped steel welding system is used for welding the T-shaped piece and the bottom plate into H-shaped steel.
In some embodiments, the T-piece swivel device comprises: the device comprises a rotary disc, a rotating frame, a centering clamping assembly and a compacting assembly;
the rotary disc can rotate on the rotating frame relative to the axis direction of the rotary disc, the centering clamping assembly is connected to the end face of the rotary disc through the pressing assembly, the centering clamping assembly is used for clamping the transverse plate of the T-shaped piece, and the pressing assembly is used for driving the T-shaped piece to move so as to be close to the bottom plate.
In some embodiments, the centering clamp assembly includes: the device comprises a base, a screw nut and a first driving piece;
the screw nut is arranged in the base in a penetrating way, and the first driving piece is connected with one end of the screw nut so as to drive the screw nut to rotate;
the screw nut is connected with two opposite centering clamping seats in a threaded manner, and the screw nut can rotate to drive the two centering clamping seats to move in directions of approaching and separating from each other.
In some embodiments, the compression assembly includes: the compression cylinder and the linear slide rail are arranged on the end face of the same side of the rotary disc;
the base sliding connection is on the linear slide rail, and the base is connected to the flexible end of compressing cylinder, and compressing cylinder can drive the base and remove along the linear slide rail to the bottom of T type spare riser is located on the bottom plate.
In some embodiments, the turret includes: the device comprises a chassis, a rotating wheel rotatably connected to the chassis and a driving device connected with the rotating wheel;
the outer peripheral surface of the rotary disc is provided with a clamping edge, the peripheral surface of the rotary wheel is provided with a limiting edge, the outer wall of the clamping edge is abutted against the inner wall of the limiting edge, the edge of the rotary disc is attached to the rotary disc, and the driving device is used for driving the rotary wheel to rotate.
In some embodiments, the floor transfer device comprises: the chain wheel transmission mechanism comprises a driving wheel and a driven wheel which are arranged at two ends of the second chassis;
the rotating shaft of the driving wheel is provided with a second driving piece, and a first transmission chain is sleeved between the driving wheel and the driven wheel.
In some embodiments, the transport device comprises: the first rotating roller and the second rotating roller are arranged on the first chassis;
the first rotating roller and the second rotating roller are rotationally connected through a second transmission chain, and the first rotating roller is rotationally connected with an output shaft of the third driving piece through a third transmission chain.
In some embodiments, a tee transport system includes: and the first conveying table is used for supporting the end face of the T-shaped piece transverse plate and directionally conveying the T-shaped piece transverse plate to the H-shaped steel team system.
In some embodiments, a tee transport system includes: and the first conveying table is used for supporting the end face of the T-shaped piece transverse plate and directionally conveying the T-shaped piece transverse plate to the H-shaped steel team system.
In some embodiments, the T-piece swivel means is provided with at least two, and the floor conveyance means is also provided with at least two.
Compared with the background technology, the utility model is provided with the T-shaped piece transportation system, the H-shaped steel team system and the H-shaped steel welding system which are connected in sequence. The T-piece transportation system is used for directionally transporting the T-pieces towards the H-steel team system. The H-beam automatic team forming system comprises: the conveying devices, the T-shaped piece rotating devices and the bottom plate conveying devices are inserted between the conveying devices. A through hole and a mounting notch are formed in the T-shaped piece rotating device, and the mounting notch is connected with the through hole. The conveying device is used for directionally conveying the T-shaped piece from the T-shaped piece conveying system to the H-shaped steel welding system, when the T-shaped piece passes through the through hole of the T-shaped piece rotating device, the T-shaped piece rotating device grabs and rotates the T-shaped piece penetrating through the through hole, the bottom plate conveying device is used for conveying the bottom plate into the T-shaped piece rotating device along the installation notch, and the T-shaped piece rotating device is used for connecting the bottom end of the T-shaped piece vertical plate to the bottom plate in a positioning manner to complete team positioning. The H-shaped steel welding system is used for welding the T-shaped pieces after team positioning and the bottom plate into stable H-shaped steel. According to the utility model, the T-shaped piece and the bottom plate are automatically formed into the H-shaped plate, manual operation is not needed, the installation and positioning are accurate, and the working efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an H-section steel assembly production system according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an H-section steel team-forming system according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating an assembly of a T-shaped member and a bottom plate according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a T-shaped member rotating device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a centering clamp assembly according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a base plate conveying device according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a transporting device according to an embodiment of the present utility model.
Wherein:
1-T-shaped part, 2-bottom plate, 3-conveying device, 31-third driving part, 32-third underframe, 33-first rotating roller, 34-second rotating roller, 35-second transmission chain, 36-third transmission chain,
4-T-shaped piece rotating device, 41-through hole, 42-installation notch, 43-rotating disc, 44-centering clamping assembly, 441-base, 442-lead screw nut, 443-first driving piece, 424-centering clamping seat, 45-pressing cylinder, 46-linear sliding rail, 47-underframe, 48-rotating wheel, 481-driving device,
5-bottom plate transmission device, 51-second underframe, 52-driving wheel, 53-driven wheel, 54-second driving piece, 55-first transmission chain,
6-first transport table, 7-second transport table, 8-welding mechanism.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.
Referring to fig. 1 to 3 of the specification, fig. 1 is a schematic structural diagram of an H-section steel assembly production system provided by an embodiment of the present utility model, fig. 2 is a schematic structural diagram of an H-section steel assembly system provided by an embodiment of the present utility model, and fig. 3 is an assembly schematic diagram of a T-section member and a base plate provided by an embodiment of the present utility model, where the H-section steel assembly production system is used for assembling the T-section member 1 and the base plate 2, and includes: the system comprises a T-shaped piece conveying system, an H-shaped steel team forming system and an H-shaped steel welding system which are connected in sequence.
The T-shaped piece conveying system is used for directionally conveying the T-shaped pieces 1 to the H-shaped steel team forming system. The automatic H-beam team formation system comprises: a plurality of transportation devices 3, a T-shaped piece rotating device 4 and a bottom plate conveying device 5 which are inserted between the transportation devices 3. The T-piece rotating device 4 is provided with a through hole 41 and a mounting notch 42, and the mounting notch 42 is connected to the outside of the edge of the T-piece rotating device 4 and connected to the through hole 41.
The transporting device 3 is used for transporting the T-shaped piece 1 from the T-shaped piece transporting system to the H-shaped steel welding system in a directional manner, when the T-shaped piece 1 passes through the through hole of the T-shaped piece rotating device 4, the T-shaped piece rotating device 4 grabs and rotates the T-shaped piece 1 penetrating through the through hole 41, the bottom plate transporting device 5 is arranged close to the T-shaped piece rotating device 4, after the T-shaped piece rotating device 4 drives the T-shaped piece 1 to complete rotation, the bottom plate transporting device 5 transports the bottom plate 2 into the T-shaped piece rotating device 4 along the installation notch 42 until the bottom plate 2 is in place, and the T-shaped piece rotating device 4 positions and connects the bottom end of the vertical plate of the T-shaped piece 1 to the bottom plate 2 to complete preliminary team positioning. The H-shaped steel welding system is used for receiving the T-shaped piece 1 and the bottom plate 2 which are positioned by the team, and welding the connecting positions of the T-shaped piece 1 and the bottom plate 2 into stable H-shaped steel.
According to the utility model, the T-shaped piece and the bottom plate are automatically formed into the H-shaped plate, manual operation is not needed, the installation and positioning are accurate, and the working efficiency is high.
Further, referring to fig. 4 and fig. 5 of the specification, fig. 4 is a schematic structural diagram of a T-shaped member rotating device according to an embodiment of the present utility model, and fig. 5 is a schematic structural diagram of a centering clamping assembly according to an embodiment of the present utility model, where the T-shaped member rotating device 4 includes: a rotating disc 43, a turret, a centering clamp assembly 44, and a hold down assembly. The rotating disc 43 can be arranged on the rotating frame and rotate relative to the axis direction of the rotating disc 43, the centering clamping assembly 44 is connected to the end face of the rotating disc 43 through the pressing assembly, the centering clamping assembly 44 is used for clamping the transverse plate of the T-shaped piece 1, the pressing assembly is used for driving the T-shaped piece 1 to move, the T-shaped piece 1 is close to the bottom plate 2, and the bottom end group of the vertical plate of the T-shaped piece 1 is pressed on the top face of the bottom plate 2.
Further, the centering clamp assembly 44 includes: a base 441, a lead screw nut 442, and a first drive member 443.
The screw nut 442 is inserted into the base 441 along a longitudinal direction of the base 441, and the first driving member 443 is connected to an end of the screw nut 442 that extends out of the base 441, so as to drive the screw nut 442 to rotate.
The screw nut 442 is provided with external threads in a segmented manner, and two centering clamping seats 424 are respectively connected with the two external threads in a threaded manner. The screw nuts 442 are rotated to drive the two centering holders 424 to move toward and away from each other. The specific assembly structure of the screw nut 442 and the centering clamping seat 424 can refer to the prior art, and will not be described herein.
In particular use, when the T-shaped member 1 passes through the through hole 41, the two centering clamping seats 424 are driven to approach each other to clamp two sides of the transverse plate of the T-shaped member 1, and then the rotating disc 3 rotates to drive the T-shaped member 1 to rotate integrally.
Further, the above-mentioned compression assembly includes: a pressing cylinder 45 and a linear slide rail 46 mounted on the same side end surface of the rotating disc 43.
The base 441 is slidably connected to the linear rail 46, the telescopic end of the pressing cylinder 45 is connected to the base 441, and the pressing cylinder 45 can drive the base 441 to move along the linear rail 46 to position the bottom end of the vertical plate of the T-shaped member 1 on the bottom plate 2.
When in actual use, when the rotating disc 43 carries the T-shaped piece 1 to rotate to a preset position, after the bottom plate 2 moves into the T-shaped piece rotating device 4, the pressing oil cylinder 45 drives the vertical plate of the T-shaped piece 1 to be pressed on the top surface of the bottom plate 2, and spot welding is carried out on the connecting position in a manual mode or a mechanical mode, so that the T-shaped piece and the vertical plate are initially assembled into H-shaped steel, and then the H-shaped steel is transported to an H-shaped steel welding system for complete welding stability.
Further, the rotating frame includes: a chassis 47, a rotating wheel 48 rotatably connected to the chassis 47, and a driving device 481 connected to the rotating wheel 48.
The outer circumferential surface of the rotating disc 43 is provided with a clamping edge 431, the circumferential surface of the rotating wheel 48 is provided with a limiting edge 482, and the outer wall of the clamping edge 431 is abutted against the inner wall of the limiting edge 482, so that the rotating disc 43 is prevented from falling out and the rotating wheel 48 is prevented from being mounted and limited. The outer peripheral edge of the rotating disk 43 is bonded to the outer peripheral surface of the rotating disk 43, and the driving device 481 is configured to drive the rotating wheel 48 to rotate.
The above-mentioned installation and matching structure of the rotating disc 43 and the rotating wheel 48 can refer to the prior art, and will not be described herein.
Further, referring to fig. 6 of the specification, fig. 6 is a schematic structural diagram of a floor conveying device according to an embodiment of the present utility model, where the floor conveying device 5 includes: a second chassis 51 and a sprocket transmission mechanism provided on the second chassis 51, the sprocket transmission mechanism including a driving wheel 52 and a driven wheel 53 provided at both ends of the second chassis 51;
a second driving member 54 is provided on the rotation shaft of the driving wheel 52, and a first transmission chain 55 is provided between the driving wheel 52 and the driven wheel 53.
The two sets of the sprocket transmission mechanisms are arranged, the second driving piece 54 drives the first transmission chain 55 to rotate, and the first transmission chain 55 operates to drive the bottom plate 2 to move. In actual use, after the rotating disc 43 rotates in place, the transport plane of the bottom plate conveying device 5 and the mounting notch 42 are in the same plane, so that the bottom plate 2 can enter the rotating disc 43 along the mounting notch 42, and after the bottom plate 2 abuts against the inner wall of the through hole 41, the bottom end of the falling T-shaped piece 1 can be just assembled on the middle line of the bottom plate 2 along the length direction of the bottom plate 2.
Further, referring to fig. 7 of the specification, fig. 7 is a schematic structural diagram of a transporting device according to an embodiment of the present utility model, where the transporting device 3 includes: the third driving member 31, the third chassis 32, and the first rotating roller 33 and the second rotating roller 34 provided on the third chassis 32.
The first rotating roller 33 and the second rotating roller 34 are rotatably connected by a second transmission chain 35, and the first rotating roller 33 is rotatably connected to the output shaft of the third driving member 31 by a third transmission chain 36. The third driving member 31 drives the first rotating roller 33 and the second rotating roller 34 to drive through a third driving chain 36, and the transportation of the T-shaped member 1 and the bottom plate 2 is realized through a second driving chain 35.
All driving parts and driving devices involved in the present disclosure may be set with reference to the prior art, for example, be configured as a telescopic cylinder, a telescopic motor, etc. to achieve the above technical effects, which will not be described herein again.
Further, the T-piece transportation system includes: and a first transport table 6, wherein the first transport table 6 is used for supporting the end surface of the transverse plate of the T-shaped piece 1 and transporting the transverse plate to the H-shaped steel team system in an oriented manner. The specific structure and use method of the first transport table 6 described above refer to the prior art, and it should be noted that, to ensure the stability of transportation of the T-pieces 1, the first transport table 6 should support the end faces of the transverse plates of the T-pieces 1 facing away from the risers thereof.
Further, the H-beam welding system includes: a second transport table 7 and a welding mechanism 8. The second transport table 7 is used for receiving the T-shaped pieces 1 and the bottom plate 2 output by the H-section steel team system, and the welding mechanism 8 is used for welding the T-shaped pieces 1 and the bottom plate 2. The specific structure and the use method of the second transporting table 7 and the welding mechanism 8 can refer to the prior art, and it should be noted that the connection position of the T-shaped piece 1 and the bottom plate 2 after the team is primarily fixed by spot welding, the subsequent second transporting table 7 receives the bottom surface of the bottom plate 2, and continuously welds the welding position in the moving process, and finally outputs stable H-shaped steel.
Further, at least two T-shaped piece rotating devices 4 are provided, and at least two base plate transporting devices 5 are provided, and in one embodiment of the present utility model, the H-shaped steel team system includes four transporting devices 3, two T-shaped piece rotating devices 4 and three base plate transporting devices 5; two transport devices 3 and a base plate transport device 5 are arranged between the two T-shaped piece rotating devices 4, and one base plate transport device 5 and one transport device 3 are respectively arranged on two opposite sides of the T-shaped piece rotating devices 4. The rotation stability of the tee 1 is ensured by at least two tee rotating devices 4, the transportation stability of the base plate is ensured by at least two base plate transporting devices 5, and the continuity is ensured by the penetration of the transporting devices 3 therebetween.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The H-shaped steel assembly production system provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. An H-section steel assembly production system for assembling a T-shaped member (1) with a bottom plate (2), characterized by comprising: the system comprises a T-shaped piece conveying system, an H-shaped steel team forming system and an H-shaped steel welding system which are connected in sequence;
the T-piece conveying system is used for directionally conveying the T-pieces (1) towards the H-steel team system;
the H-beam automatic team forming system comprises: a plurality of conveying devices (3), a T-shaped piece rotating device (4) and a bottom plate conveying device (5) which are inserted between the conveying devices (3); the T-shaped piece rotating device (4) is provided with a through hole (41) and a mounting notch (42) connected with the through hole (41);
the conveying device (3) is used for directionally conveying the T-shaped piece (1) from the T-shaped piece conveying system to the H-shaped steel welding system;
the T-shaped piece rotating device (4) is used for rotating the T-shaped piece (1) penetrating through the through hole (41) so as to position the bottom end of a vertical plate of the T-shaped piece (1) on the bottom plate (2);
the bottom plate conveying device (5) is used for conveying the bottom plate (2) into the T-shaped piece rotating device (4) along the mounting notch (42);
the H-shaped steel welding system is used for welding the T-shaped piece (1) and the bottom plate (2) into H-shaped steel.
2. The H-section steel assembly production system according to claim 1, wherein the T-piece rotating device (4) comprises: a rotating disc (43), a rotating frame, a centering clamping assembly (44) and a compacting assembly;
the rotary disc (43) can rotate on the rotating frame relative to the axis direction of the rotary disc, the centering clamping assembly (44) is connected to the end face of the rotary disc (43) through the pressing assembly, the centering clamping assembly (44) is used for clamping the transverse plate of the T-shaped piece (1), and the pressing assembly is used for driving the T-shaped piece (1) to move so as to be close to the bottom plate (2).
3. The H-section steel assembly production system of claim 2, wherein the centering clamp assembly (44) comprises: a base (441), a screw nut (442) and a first driving member (443);
the screw nut (442) is arranged in the base (441) in a penetrating way, and the first driving piece (443) is connected with one end of the screw nut (442) so as to drive the screw nut (442) to rotate;
two opposite centering clamping seats (424) are connected to the screw nut (442) in a threaded manner, and the screw nut (442) can rotate to drive the two centering clamping seats (424) to move towards and away from each other.
4. The H-section steel assembly production system of claim 3, wherein the hold down assembly comprises: a compression cylinder (45) and a linear slide rail (46) which are arranged on the end surfaces of the same side of the rotary disc (43);
the base (441) is slidably connected to the linear slide rail (46), the telescopic end of the compression oil cylinder (45) is connected to the base (441), and the compression oil cylinder (45) can drive the base (441) to move along the linear slide rail (46), so that the bottom end of the vertical plate of the T-shaped part (1) is positioned on the bottom plate (2).
5. The H-section steel assembly production system according to claim 4, wherein the turret comprises: a chassis (47), a rotating wheel (48) rotatably connected to the chassis (47), and a driving device (481) connected to the rotating wheel (48);
the outer peripheral surface of the rotary disc (43) is provided with a clamping edge (431), the peripheral surface of the rotary wheel (48) is provided with a limiting edge (482), the outer wall of the clamping edge (431) is abutted against the inner wall of the limiting edge (482), the edge of the rotary disc (43) is attached to the rotary disc (43), and the driving device (481) is used for driving the rotary wheel (48) to rotate.
6. The H-section steel assembly production system according to claim 5, wherein the floor conveying device (5) comprises: the chain wheel transmission mechanism comprises a driving wheel (52) and a driven wheel (53) which are arranged at two ends of the second underframe (51);
the driving wheel (52) is provided with a second driving piece (54) on a rotating shaft, and a first transmission chain (55) is sleeved between the driving wheel (52) and the driven wheel (53).
7. The H-section steel assembly production system according to claim 1, wherein the transportation device (3) comprises: a third driving member (31), a third chassis (32), and a first rotating roller (33) and a second rotating roller (34) provided on the third chassis (32);
the first rotating roller (33) and the second rotating roller (34) are rotatably connected through a second transmission chain (35), and the first rotating roller (33) is rotatably connected with an output shaft of the third driving piece (31) through a third transmission chain (36).
8. The H-section steel assembly production system of claim 1, wherein the T-piece transportation system comprises: and the first conveying table (6) is used for supporting the end face of the transverse plate of the T-shaped piece (1) and directionally conveying the transverse plate to the H-shaped steel team forming system.
9. The H-section steel assembly production system of claim 1, wherein the H-section steel welding system comprises: a second transport table (7) and a welding mechanism (8);
the second transportation table (7) is used for receiving the T-shaped piece (1) and the bottom plate (2) output by the H-shaped steel team system, and the welding mechanism (8) is used for welding the T-shaped piece (1) and the bottom plate (2).
10. The H-section steel assembly production system according to claim 1, wherein at least two T-piece rotating devices (4) are provided, and at least two floor conveying devices (5) are also provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800111.5U CN219598482U (en) | 2023-04-12 | 2023-04-12 | H-shaped steel assembly production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800111.5U CN219598482U (en) | 2023-04-12 | 2023-04-12 | H-shaped steel assembly production system |
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| CN219598482U true CN219598482U (en) | 2023-08-29 |
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| CN202320800111.5U Active CN219598482U (en) | 2023-04-12 | 2023-04-12 | H-shaped steel assembly production system |
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