Movable double-gantry hydraulic machine

By designing a mobile double-gantry hydraulic press, combined with hydraulic pressure heads and industrial robots, efficient and stable clamping and precise welding of large vehicle frame longitudinal beams and cross beams are achieved, solving the problems of low efficiency and poor stability of traditional manual welding, and meeting the strength and safety requirements of vehicles.

CN223960699UActive Publication Date: 2026-03-03CLW HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Traditional manual welding methods are inefficient in welding and fixing the longitudinal and transverse beams of vehicle frames, making it difficult to ensure the consistency of mass production processes and the structural strength and safety of vehicles.

Method used

A mobile double-gantry hydraulic press is used, combined with a workbench, gantry frame, hydraulic press head, industrial robot and laser welding machine, to achieve stable clamping and precise welding of large vehicle frames. Through hydraulic multi-directional clamping and industrial robot combined with laser welding, the stability and accuracy of the welding process are ensured.

Benefits of technology

It improves the welding efficiency and stability of the vehicle frame longitudinal beams and cross beams, meets strength and safety standards, and ensures the processing accuracy and consistency of large workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable type double-gantry hydraulic machine, which relates to the technical field of vehicle processing equipment, and comprises a working table, two groups of gantry frames are arranged on the working table along the length extension direction in a sliding manner, hydraulic pressure heads are arranged on the two groups of gantry frames, and two groups of hydraulic pressure heads are arranged on each group of gantry frames. The hydraulic pressure heads are arranged on the portal frames in a sliding mode through sliding seats, an industrial robot is fixedly hoisted on one portal frame, and a laser welding machine is installed at the tail end of the industrial robot. The workbench is large in area and suitable for machining of large workpieces, longitudinal beams and cross beams of a frame are pressed and combined in a multi-directional and one-time mode through hydraulic pressure, the hydraulic pressure head moves to the position needing to be fixed to apply proper pressure in an aligned mode, and the portal frame and the industrial robot are matched with the laser welding machine to move to the corresponding welding position to conduct welding operation. It is guaranteed that the frame is stable and does not shift, and the welding process and the assembling precision are guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle processing equipment technology, specifically a mobile double-gantry hydraulic press. Background Technology

[0002] The welding and securing of vehicle frame longitudinal and crossbeams are critical processes in automobile manufacturing and repair, directly impacting the vehicle's structural strength, safety, and durability. Large vehicle frame longitudinal and crossbeams are generally large and heavy, making their welding and securing extremely important. Traditional manual welding methods are not only labor-intensive and inefficient, but also struggle to ensure consistency across large-scale processes. The stability of the frame longitudinal and crossbeams during securing also affects the welding results. By adhering to standardized operating procedures and selecting appropriate processes, it can be ensured that the connections of the frame longitudinal and crossbeams meet strength and safety standards. Therefore, to address these two aspects, we provide a mobile double-gantry hydraulic press. Utility Model Content

[0003] The purpose of this utility model is to provide a mobile double-gantry hydraulic press to improve the welding and fixing process of the longitudinal beams and cross beams of vehicle frames, and to ensure that the connection of the longitudinal beams and cross beams of the vehicle frames meets the strength and safety standards.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a mobile double-gantry hydraulic press, including a worktable, on which two sets of gantry frames are slidably arranged along the length extension direction. Hydraulic pressure heads are installed on both sets of gantry frames, and two sets of hydraulic pressure heads are installed on each set of gantry frames. The hydraulic pressure heads are slidably arranged on the gantry frames via sliding seats. An industrial robot is fixedly hoisted on one set of gantry frames, and a laser welding machine is installed at the end of the industrial robot. The industrial robot is installed between the two sets of gantry frames.

[0005] Preferably, the industrial robot is a six-axis robot.

[0006] Preferably, the sliding seat is provided with a supporting sliding wheel and an auxiliary sliding wheel. The supporting sliding wheel is slidably disposed on the top of the gantry beam, and the auxiliary sliding wheel is slidably disposed on both sides of the gantry beam.

[0007] Preferably, the bottom of the gantry frame is provided with a support plate, a traveling wheel and a limiting wheel. The support plate is fixed to the bottom of the vertical beam of the gantry frame and extends to the bottom of the workbench. The traveling wheel is installed on the vertical beam through a connecting plate and is slidably disposed on the workbench surface. The limiting wheel is installed on the support plate and is slidably disposed on the long side of the workbench.

[0008] Preferably, a support mechanism is fixedly connected to the vertical beam of the gantry frame. The support mechanism includes a fixed seat, a support seat, a guide rod, and an adjusting rod. The fixed seat is fixed to the vertical beam of the gantry frame. The guide rod is fixed to the support seat and slidably disposed on the fixed seat. One end of the adjusting rod is rotatably connected to the support seat through a bearing and threadedly connected to the fixed seat. The support seat is driven to rise and fall by the rotation of the adjusting rod.

[0009] This utility model has the following beneficial effects:

[0010] This utility model places the vehicle frame on the hydraulic press worktable by setting up a worktable, gantry frame, hydraulic pressure head, sliding seat, industrial robot, and laser welding machine. The worktable has a large area, which is suitable for processing large workpieces. It reduces the inconvenience caused by the size limitation of the longitudinal beams and cross beams of the vehicle frame. It is efficient and meets the requirements. The hydraulic multi-directional one-time clamping and pressing of the longitudinal beams and cross beams of the vehicle frame allows the hydraulic pressure head to move to the part that needs to be fixed and apply appropriate pressure. The gantry frame and industrial robot, together with the laser welding machine, move to the corresponding welding position to perform welding operations, ensuring that the vehicle frame is stable and does not shift, and ensuring the accuracy of the welding process and assembly. Attached Figure Description

[0011] Figure 1 This is a perspective view of the present utility model;

[0012] Figure 2 This is a schematic diagram of the industrial robot structure of this utility model;

[0013] Figure 3 This is a front view of the present utility model;

[0014] Figure 4 This is a perspective view of the hydraulic pressure head location of this utility model;

[0015] Figure 5 This is a right view of the hydraulic pressure head position of this utility model.

[0016] In the diagram: 1. Workbench; 2. Gantry frame; 21. Support plate; 22. Traveling wheel; 23. Limiting wheel; 3. Hydraulic pressure head; 4. Sliding seat; 41. Supporting sliding wheel; 42. Auxiliary sliding wheel; 5. Industrial robot; 6. Laser welding machine; 7. Support mechanism; 71. Fixed seat; 72. Support seat; 73. Guide rod; 74. Adjusting rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1-5 As shown, this utility model provides a technical solution: a mobile double gantry hydraulic press, including a worktable 1, on which two sets of gantry frames 2 are slidably arranged along the length extension direction. Hydraulic pressure heads 3 are installed on both sets of gantry frames 2, and two sets of hydraulic pressure heads 3 are installed on each set of gantry frames 2. The hydraulic pressure heads 3 are slidably arranged on the gantry frames 2 through sliding seats 4. The sliding seats 4 are respectively provided with supporting sliding wheels 41 and auxiliary sliding wheels 42. The supporting sliding wheels 41 are slidably arranged on the top of the crossbeam of the gantry frame 2, and the auxiliary sliding wheels 42 are slidably arranged on both sides of the crossbeam of the gantry frame 2. An industrial robot 5 is fixedly hoisted on one set of gantry frames 2. The industrial robot 5 is a six-axis robot. A laser welding machine 6 is installed at the end of the industrial robot 5. The industrial robot 5 is installed between the two sets of gantry frames 2.

[0019] The bottom of the gantry 2 is provided with a support plate 21, a traveling wheel 22 and a limiting wheel 23. The support plate 21 is fixed to the bottom of the vertical beam of the gantry 2 and extends to the bottom of the worktable 1. When the hydraulic head 3 presses down, the support plate 21 abuts against the bottom of the worktable 1 for support. The traveling wheel 22 is installed on the vertical beam through the connecting plate and slides on the table surface of the worktable 1. The limiting wheel 23 is installed on the support plate 21 and slides on the long side of the worktable 1.

[0020] A support mechanism 7 is fixedly connected to the vertical beam of the gantry 2. The support mechanism 7 includes a fixed seat 71, a support seat 72, a guide rod 73, and an adjusting rod 74. The fixed seat 71 is fixed to the vertical beam of the gantry 2. The guide rod 73 is fixed to the support seat 72 and slidably mounted on the fixed seat 71. One end of the adjusting rod 74 is rotatably connected to the support seat 72 via a bearing and threadedly connected to the fixed seat 71. The support seat 72 is driven to rise and fall by the rotation of the adjusting rod 74. By setting up the support mechanism 7, the gantry 2 is supported. It can be used to support the gantry 2 when it is not in use for a long time, or it can be used for temporary fixation of the gantry 2.

[0021] In use, the gantry 2 is moved and the hydraulic head 3 is moved on the gantry 2 to move the hydraulic head 3 to the part that needs to be fixed, and apply appropriate pressure to perform multi-position clamping and fixing. This allows the gantry 2 and the industrial robot 5 to move to the corresponding welding position in conjunction with the laser welding machine 6. The industrial robot 5 controls the laser welding machine 6 to accurately reach the designated welding position, and then the laser welding machine 6 emits a laser to perform welding operations on the frame.

[0022] It should be noted that, in this document, terms such as “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mobile double-gantry hydraulic press, comprising a worktable (1), characterized in that: Two sets of gantry frames (2) are slidably arranged on the workbench (1) along the length extension direction. Hydraulic pressure heads (3) are installed on both sets of gantry frames (2). Two sets of hydraulic pressure heads (3) are installed on each set of gantry frames (2). The hydraulic pressure heads (3) are slidably arranged on the gantry frames (2) through sliding seats (4). An industrial robot (5) is fixedly hoisted on one set of gantry frames (2). A laser welding machine (6) is installed at the end of the industrial robot (5). The industrial robot (5) is installed between the two sets of gantry frames (2).

2. A mobile double-gantry hydraulic press according to claim 1, characterized in that: The industrial robot (5) is a six-axis robot.

3. A mobile double-gantry hydraulic press according to claim 1, characterized in that: The sliding seat (4) is provided with a supporting sliding wheel (41) and an auxiliary sliding wheel (42). The supporting sliding wheel (41) is slidably disposed on the top of the crossbeam of the gantry frame (2), and the auxiliary sliding wheel (42) is slidably disposed on both sides of the crossbeam of the gantry frame (2).

4. A mobile double-gantry hydraulic press according to claim 1, characterized in that: The bottom of the gantry (2) is provided with a support plate (21), a traveling wheel (22) and a limiting wheel (23). The support plate (21) is fixed to the bottom of the vertical beam of the gantry (2) and extends to the bottom of the workbench (1). The traveling wheel (22) is installed on the vertical beam through a connecting plate and is slidably set on the table surface of the workbench (1). The limiting wheel (23) is installed on the support plate (21) and is slidably set on the long side of the workbench (1).

5. A mobile double-gantry hydraulic press according to claim 1, characterized in that: A support mechanism (7) is fixedly connected to the vertical beam of the gantry frame (2). The support mechanism (7) includes a fixed seat (71), a support seat (72), a guide rod (73), and an adjusting rod (74). The fixed seat (71) is fixed on the vertical beam of the gantry frame (2). The guide rod (73) is fixed on the support seat (72) and slidably disposed on the fixed seat (71). One end of the adjusting rod (74) is rotatably connected to the support seat (72) through a bearing and threadedly connected to the fixed seat (71). The support seat (72) is driven to rise and fall by the rotation of the adjusting rod (74).