Steel box girder welding jig frame tool
By designing a welding jig for steel box girders, and utilizing clamping and angle adjustment, the problem of uncomfortable worker posture during steel box girder welding was solved, achieving an efficient and comfortable welding process.
Patent Information
- Application Number
- CN202423110032.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In existing technologies, when welding steel box girders, workers need to hold welding tools and perform fine welding in a bent-over or squatting posture, which leads to physical discomfort such as muscle fatigue, back and neck pain, and makes it difficult to weld for a long time.
Design a steel box girder welding jig tooling, including a base, vertical block, fixing block, fixing rod, placement component and telescopic component, to clamp and fix steel box girder components, and use electric telescopic rod to adjust the angle of placement plate and heating device to preheat, thereby reducing worker fatigue.
It facilitates long-term welding, reduces worker muscle fatigue, and improves welding efficiency. Through clamping and angle adjustment, it reduces worker discomfort and relieves stress through heating and preheating.
Smart Images
Figure CN223617033U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel box girder welding technology, and in particular to a steel box girder welding jig tooling. Background Technology
[0002] Steel box girders, also known as steel plate box girders, are a common structural form for long-span bridges. They are generally used in bridges with large spans and are called steel box girders because of their box-like shape. In long-span cable-stayed bridges, the main span of the steel box girder can reach hundreds or even thousands of meters. They are typically manufactured and installed in several segments, with a wide and flat cross-section and a height-to-width ratio of approximately 1:10. Steel box girders are generally constructed by welding together a top plate, bottom plate, web, transverse diaphragms, longitudinal diaphragms, and stiffeners. The top plate is an orthogonal irregular bridge deck composed of a cover plate and longitudinal stiffeners.
[0003] In the existing technology, steel box girder components are usually placed on a flat ground for welding. During the welding process, workers need to hold welding tools and bend over or squat to perform fine welding work on various surfaces of the steel box girder components. Workers are prone to muscle fatigue, back and neck pain and other physical discomforts, which makes it inconvenient for workers to work in the welding field for a long time. Utility Model Content
[0004] The purpose of this utility model is to solve the problem in the existing technology that during the welding process, workers need to hold welding tools and bend over or squat to perform fine welding operations on various surfaces of steel box girder components. This can easily lead to muscle fatigue, back and neck pain and other physical discomfort for workers, making it inconvenient for them to work for a long time. Therefore, a steel box girder welding jig tool is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a steel box girder welding jig tooling, comprising: a base, a vertical block fixedly connected to the top of the base, a fixing block symmetrically fixedly connected to the top of the vertical block, and a fixing rod fixedly connected between the opposite surfaces of the two fixing blocks; a placement assembly, the placement assembly being disposed on the outer surface of the fixing rod, the placement assembly including a placement plate, a third rotating seat symmetrically fixedly connected to the bottom of the placement plate, the inner surfaces of the two third rotating seats being rotatably connected to the outer surface of the fixing rod; and a telescopic assembly, the telescopic assembly being disposed between the placement plate and the base, the telescopic assembly including an electric telescopic rod, a first rotating seat fixedly connected to the telescopic end of the electric telescopic rod, a first fixing seat rotatably connected to the outer surface of the first rotating seat, a second rotating seat fixedly connected to the bottom of the electric telescopic rod, and a second fixing seat rotatably connected to the outer surface of the second rotating seat.
[0006] Preferably, the top of the first fixing seat is fixedly connected to the bottom of the placement plate, and the bottom of the second fixing seat is fixedly connected to the top of the base.
[0007] Preferably, a heating device is provided at the bottom of the placement plate, and an electric heating tube is provided inside the heating device.
[0008] Preferably, clamping plates are symmetrically arranged on the inner bottom of the placement plate, and threaded rods are rotatably connected to the inner surface of the clamping plates.
[0009] Preferably, the threaded rod is threaded through the placement plate, and a rotating block is fixedly connected to the outer surface of the threaded rod at a position away from the clamping plate.
[0010] Preferably, guide rods are symmetrically fixedly connected to the outer surface of the clamping plate, and the guide rods slide through the placement plate.
[0011] Preferably, rubber pads are symmetrically arranged on the top of the vertical blocks, and the rubber pads are matched with the placement plate.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] 1. In this utility model, during use, the base, vertical block, fixing block, fixing rod, rubber pad, placement component and telescopic component are used in combination to clamp and fix the welding parts, making it easy to fix them inside the placement plate for welding. At the same time, during the welding process, the heating device can preheat the parts, which can relieve stress. The electric telescopic rod pushes the placement plate, causing the placement plate to tilt to one side, making it easier for personnel to weld the steel box girder components.
[0014] 2. In this utility model, by setting a rubber pad at the top corner of the vertical block, a buffer protection can be provided when the placement plate rotates to its maximum angle, preventing the placement plate from being damaged by collision with the sharp parts of the vertical block. Attached Figure Description
[0015] Figure 1 A perspective view of a steel box girder welding jig tooling is provided for this utility model;
[0016] Figure 2 This utility model provides a partial structural schematic diagram of a steel box girder welding jig tooling;
[0017] Figure 3 This utility model provides a schematic diagram of the placement component structure of a steel box girder welding jig tooling;
[0018] Figure 4 This utility model presents a schematic diagram of the telescopic component structure of a steel box girder welding jig tooling.
[0019] Legend: 1. Base; 2. Vertical block; 3. Fixing block; 4. Fixing rod; 5. Rubber pad; 6. Placement assembly; 601. Placement plate; 602. Third rotating seat; 603. Heating device; 604. Threaded rod; 605. Rotating block; 606. Guide rod; 607. Clamping plate; 7. Telescopic assembly; 701. Electric telescopic rod; 702. First rotating seat; 703. First fixed seat; 704. Second rotating seat; 705. Second fixed seat. Detailed Implementation
[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1: As Figures 1-4 As shown, this utility model provides a steel box girder welding jig tooling, including: a base 1, with a vertical block 2 fixedly connected to the top of the base 1, and fixing blocks 3 symmetrically fixedly connected to the top of the vertical block 2, and fixing rods 4 fixedly connected between the opposite faces of the two fixing blocks 3; a placement assembly 6, which is disposed on the outer surface of the fixing rods 4, and includes a placement plate 601, with third rotating seats 602 symmetrically fixedly connected to the bottom of the placement plate 601, and the inner surfaces of the two third rotating seats 602 being rotatably connected to the outer surface of the fixing rods 4; and a telescopic assembly 7, which is disposed between the placement plate 601 and the base 1, and includes an electric telescopic rod 701, with a first rotating seat 702 fixedly connected to the telescopic end of the electric telescopic rod 701. A first fixed seat 703 is rotatably connected to the outer surface of 702. A second rotating seat 704 is fixedly connected to the bottom of the electric telescopic rod 701. A second fixed seat 705 is rotatably connected to the outer surface of the second rotating seat 704. The top of the first fixed seat 703 is fixedly connected to the bottom of the placement plate 601. The bottom of the second fixed seat 705 is fixedly connected to the top of the base 1. A heating device 603 is provided at the bottom of the placement plate 601. An electric heating tube is provided inside the heating device 603. Clamping plates 607 are symmetrically arranged at the inner bottom of the placement plate 601. A threaded rod 604 is rotatably connected to the inner surface of the clamping plate 607. The threaded rod 604 is threadedly rotatably connected to the placement plate 601. A rotating block 605 is fixedly connected to the outer surface of the threaded rod 604 at a position away from the clamping plate 607.
[0023] The overall effect of Embodiment 1 is that, during the welding of the steel box girder, the component to be welded can be placed inside the placement plate 601. By rotating the two rotating blocks 605 in sequence, and causing the connected threaded rod 604 to rotate, both clamping plates 607 will move towards the center, clamping and fixing the steel box girder component. When the external power supply is connected and the electric telescopic rod 701 is activated by the external controller, as its telescopic end extends, the first rotating seat 702 and the second rotating seat 704 connected to the top and bottom will rotate on the outer surfaces of the first fixed seat 703 and the second fixed seat 705 respectively, thus fixing the bottom of the placement plate 601. The two third rotating seats 602 will rotate synchronously on the outer surface of the fixed rod 4, rotating and flipping around the fixed rod 4 as the axis, forcing the placement plate 601 to tilt to one side to a suitable angle, which facilitates the welding of the steel box girder components. At the same time, during the welding process, the heating device 603 can be activated by the external controller. The heating tube inside the heating device 603 will conduct heat into the placement plate 601 after being powered on, preheating the components to be welded and relieving stress. After the welding components are clamped and fixed, the angle of the placement plate 601 can be adjusted to facilitate better welding of the steel box girder components.
[0024] Example 2: As Figures 1-4 As shown, guide rods 606 are symmetrically fixedly connected to the outer surface of clamping plate 607. Guide rods 606 slide through and are connected to placement plate 601. Rubber pads 5 are symmetrically arranged on the top of vertical block 2. Rubber pads 5 are matched with placement plate 601.
[0025] The effect achieved by the entire embodiment 2 is that, during use, when the clamping plate 607 moves, it will drive the guide rod 606 connected to its surface to slide synchronously between the inner walls of the placement plate 601, which plays a guiding role and prevents the position of the clamping plate 607 from shifting. By setting a rubber pad 5 at the top corner of the vertical block 2, it can provide buffer protection when the rotation angle of the placement plate 601 is at its maximum limit, preventing the placement plate 601 from being damaged by collision with the sharp parts of the vertical block 2.
[0026] Working principle: During the welding of the steel box girder, the component to be welded can be placed inside the placement plate 601. Rotating the two rotating blocks 605 in sequence causes the connected threaded rod 604 to rotate, causing both clamping plates 607 to move towards the center, clamping and fixing the steel box girder component. When the external power supply is connected and the external controller starts the electric telescopic rod 701, as its telescopic end extends, the first rotating seat 702 and the second rotating seat 704 connected to the top and bottom will rotate on the outer surfaces of the first fixed seat 703 and the second fixed seat 705 respectively. This causes the two third rotating seats 602 fixedly connected to the bottom of the placement plate 601 to rotate synchronously on the outer surface of the fixed rod 4, rotating and flipping around the fixed rod 4 as the axis. This forces the placement plate 601 to tilt to one side to a suitable angle, facilitating welding of the steel box girder component. Meanwhile, during the welding process, the heating device 603 can be activated by an external controller. The heating tube inside the heating device 603 conducts heat into the placement plate 601 after being powered on, preheating the parts to be welded and relieving stress. After clamping and fixing the parts to be welded, the angle of the placement plate 601 can be adjusted to facilitate better welding of the steel box girder parts. When the clamping plate 607 moves, it will drive the guide rod 606 connected to its surface to slide synchronously between the inner walls of the placement plate 601, which plays a guiding role and prevents the position of the clamping plate 607 from shifting. By setting a rubber pad 5 at the top corner of the vertical block 2, buffer protection can be provided when the rotation angle of the placement plate 601 reaches its maximum limit, preventing the placement plate 601 from being damaged by collision with the sharp parts of the vertical block 2.
[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A welding jig fixture for steel box girders, characterized in that, include: A base (1) is fixedly connected to a vertical block (2) at the top of the base (1), and a fixing block (3) is fixedly connected to the top of the vertical block (2) symmetrically. A fixing rod (4) is fixedly connected between the opposite surfaces of the two fixing blocks (3). Placement component (6) is disposed on the outer surface of the fixing rod (4). The placement component (6) includes a placement plate (601). The bottom of the placement plate (601) is symmetrically fixedly connected with a third rotating seat (602). The inner surfaces of the two third rotating seats (602) are rotatably connected to the outer surface of the fixing rod (4). Telescopic assembly (7) is disposed between placement plate (601) and base (1). The telescopic assembly (7) includes an electric telescopic rod (701). The telescopic end of the electric telescopic rod (701) is fixedly connected to a first rotating seat (702). The outer surface of the first rotating seat (702) is rotatably connected to a first fixed seat (703). The bottom of the electric telescopic rod (701) is fixedly connected to a second rotating seat (704). The outer surface of the second rotating seat (704) is rotatably connected to a second fixed seat (705).
2. The steel box girder welding jig fixture according to claim 1, characterized in that: The top of the first fixing seat (703) is fixedly connected to the bottom of the placement plate (601), and the bottom of the second fixing seat (705) is fixedly connected to the top of the base (1).
3. The steel box girder welding jig fixture according to claim 2, characterized in that: A heating device (603) is provided at the bottom of the placement plate (601), and an electric heating tube is provided inside the heating device (603).
4. The steel box girder welding jig fixture according to claim 3, characterized in that: The bottom of the placement plate (601) is symmetrically provided with clamping plates (607), and the inner surface of the clamping plates (607) is rotatably connected with threaded rods (604).
5. The steel box girder welding jig fixture according to claim 4, characterized in that: The threaded rod (604) is threaded through the placement plate (601), and a rotating block (605) is fixedly connected to the outer surface of the threaded rod (604) away from the clamping plate (607).
6. The steel box girder welding jig fixture according to claim 5, characterized in that: The outer surface of the clamping plate (607) is symmetrically fixedly connected with guide rods (606), and the guide rods (606) slide through the placement plate (601).
7. The steel box girder welding jig fixture according to claim 6, characterized in that: Rubber pads (5) are symmetrically arranged on the top of the vertical block (2), and the rubber pads (5) are matched with the placement plate (601).