Multi-angle small-size steel member fixing device
The multi-angle small-sized steel component fixing device with segmented movable steel plates and elastic pressure plate structure solves the problem of low construction efficiency of steel components under complex working conditions, and achieves fast, accurate and stable fixing effect. It is suitable for a variety of working conditions and meets the requirements of green construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE 13TH CONSTR GRP OF SHAANXI CONSTR ENG CO LTD
- Filing Date
- 2025-06-20
- Publication Date
- 2026-06-26
Smart Images

Figure CN224413174U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel structure construction technology, specifically a multi-angle small-sized steel component fixing device. Background Technology
[0002] In the rapid development of the modern construction industry, the complexity and diversity of building structures are increasing daily. Small-sized steel components, such as steel pipes and square steel, are widely used in various construction projects due to their good mechanical properties and convenient processing characteristics. However, in the actual erection or welding process, the angle adjustment and precise fixing of steel components have always been difficult points in construction.
[0003] Traditional fixing methods often require significant manpower and time for angle calibration, which is not only inefficient but also difficult to guarantee fixing accuracy, easily leading to displacement and other problems that affect the stability and safety of the overall building structure. With the construction industry's ever-increasing demands for construction efficiency and quality, developing a device that can quickly, accurately, and stably fix small-sized steel components has become an urgent priority.
[0004] For example, CN221545916U discloses a multi-angle prefabricated steel structure for building construction, including angle steel, which is rotatably connected to one end of a support beam; the angle steel includes two vertically fixed plates, and a positioning plate is fixedly connected between the included angle of the two fixed plates, the periphery of the positioning plate is an arc segment and is provided with a first tooth; the support beam includes a beam rod, one end of which is fixedly connected to symmetrically arranged ear plates, a slot is provided between the two ear plates, the positioning plate is placed in the slot, the ends of the two ear plates away from the beam rod are rotatably connected to the positioning plate, one of the ear plates has a sliding groove, a slider is slidably connected in the sliding groove, the slider extends outward and is threadedly connected to a screw rod, a locking block is slidably connected in the slot, the locking block is fixedly connected to the slider, the locking block is located on one side of the positioning plate and is an arc segment and is provided with a second tooth. Rotating the screw drives the slider to move away from the positioning plate, causing the locking block to move away from the positioning plate. The first tooth and the second tooth separate. At this time, the rotating beam is adjusted to a suitable angle, and the rotating screw drives the slider to move towards the positioning plate, causing the locking block to move towards the positioning plate until the first tooth and the second tooth mesh, completing the angle adjustment operation. This structure expands the angle adjustment range of the support beam and is suitable for multi-angle adjustment.
[0005] The above scheme can only adjust the angle of a single component. However, when adjusting the relative angle of two independent components (such as the intersection of adjacent steel beams and crossbeams) at the same time, each component needs to be operated separately, which increases the construction complexity and makes it difficult to meet the flexible adjustment requirements under complex working conditions. Utility Model Content
[0006] To address the problem of low construction efficiency when assembling two independent steel components together in the prior art, this utility model provides a multi-angle small-specification steel component fixing device.
[0007] This utility model is achieved through the following technical solution:
[0008] A multi-angle small-sized steel component fixing device includes a first steel channel and a second steel channel. A movable steel plate and a connecting steel plate are arranged between the first steel channel and the second steel channel. The two ends of the movable steel plate are rotatably connected to the first steel channel and the second steel channel, respectively. The movable steel plate is arranged in segments, and two adjacent segments are rotatably connected to each other. One end of the connecting steel plate is rotatably connected to the first steel channel, and the other end is detachably connected to the second steel channel. In use, the steel component is placed in the slots of the first steel channel and the second steel channel.
[0009] Preferably, the length axes of the first steel channel and the second steel channel are parallel.
[0010] Preferably, both the first and second steel channels are provided with two connecting lugs, and the movable steel plate and the connecting steel plate are connected through the connecting lugs.
[0011] Preferably, the connecting steel plate is provided with an adjustment structure, which cooperates with the bolt and nut structure to connect the first steel channel and the second steel channel.
[0012] Preferably, the adjustment structure consists of multiple adjustment holes, with bolts passing through the adjustment holes and the fixing holes on the second steel groove connecting the ear plate to the nuts.
[0013] Preferably, the adjustment structure is an elongated groove, and the bolt passes through the fixing hole of the connecting ear plate on the elongated groove and the second steel groove and is connected to the nut.
[0014] Preferably, both the first and second steel channels are provided with elastic pressure plate structures. The elastic pressure plate structure includes a connecting rod, a spring, and a pressure plate. The connecting rod passes through the side wall of the first or second steel channel, extends into the slot, and is fixedly connected to the pressure plate. The spring is sleeved on the connecting rod, with both ends abutting against the side wall of the first or second steel channel, and the other end abutting against the pressure plate.
[0015] Preferably, at least two springs are provided.
[0016] Preferably, the movable steel plate and the connecting steel plate are staggered vertically.
[0017] Preferably, the length axis of the movable steel plate is parallel to that of the connecting steel plate.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] This utility model discloses a multi-angle small-sized steel component fixing device. Through segmented movable steel plates connected by rotating sections, it can flexibly bend and deform. Combined with the rotating connection between the first and second steel grooves, it achieves continuous adjustment of the overall angle of the device, adapting to the fixing needs of steel components with different tilt angles and ensuring accurate positioning and fixing of small-sized steel components. Simultaneously, the combination of the adjusting structure and the elastic pressure plate allows the device to adapt to steel components with different cross-sectional sizes and shapes, reducing the need for specialized tooling and lowering production costs. This fixing method ensures both the installation angle and the construction quality, reducing rework time and costs.
[0020] Furthermore, by using bolts and nuts in conjunction with the adjustment structure (adjustment hole / long groove), the position of the second steel groove can be quickly adjusted, further expanding the angle adjustment range and enhancing the device's compatibility with complex working conditions.
[0021] Furthermore, the elastic pressure plate structure can not only fix small-sized steel components, but also increase the buffer and elasticity of the device, and can better adapt to different stress conditions when fixing steel components, ensuring stability.
[0022] Furthermore, the staggered design prevents motion interference between the two during adjustment, ensuring a stable connection. Attached Figure Description
[0023] Figure 1 This is an overall structural diagram of a multi-angle small-sized steel component fixing device according to this utility model;
[0024] Figure 2 This is an assembly drawing of a multi-angle small-sized steel component fixing device and two steel components according to this utility model.
[0025] In the diagram, 1 is the first steel channel; 2 is the second steel channel; 3 is the movable steel plate; 4 is the connecting steel plate; 5 is the connecting ear plate; 6 is the adjusting structure; 7 is the connecting rod; 8 is the spring; and 9 is the pressure plate. Detailed Implementation
[0026] The present invention will be further described in detail below with reference to specific embodiments. The description is for explanation and not limitation of the present invention.
[0027] This utility model discloses a multi-angle small-sized steel component fixing device, referring to... Figure 1 It includes a first steel channel 1 and a second steel channel 2, with the length axes of the first steel channel 1 and the second steel channel 2 being parallel.
[0028] A movable steel plate 3 and a connecting steel plate 4 are provided between the first steel channel 1 and the second steel channel 2. The movable steel plate 3 and the connecting steel plate 4 are staggered vertically, and the length axes of the movable steel plate 3 and the connecting steel plate 4 are parallel. Specifically, two connecting lugs 5 are provided on both the first steel channel 1 and the second steel channel 2, and the movable steel plate 3 and the connecting steel plate 4 are connected through the connecting lugs 5.
[0029] The two ends of the movable steel plate 3 are rotatably connected to the first steel channel 1 and the second steel channel 2, respectively. The movable steel plate 3 is segmented, and adjacent segments are rotatably connected. The segmented design allows the movable steel plate 3 to bend at multiple nodes, adapting to the installation requirements of steel components at different angles, and solving the problem of limited angle adjustment caused by the single linear structure of traditional devices.
[0030] In one embodiment, the movable steel plate 3 includes a first movable plate and a second movable plate that are rotatably connected. One end of the first movable plate is rotatably connected to the connecting lug 5 on the first steel channel 1, and the other end is connected to the second movable plate. The other end of the second movable plate is rotatably connected to the connecting lug 5 on the second steel channel 2. Angle scales are provided on the two connecting lugs 5, and a scale pointer is provided on the center line of the surface of the first movable plate so as to accurately adjust the angle between the first movable plate and the second movable plate.
[0031] One end of the connecting steel plate 4 is rotatably connected to the first steel channel 1, and the other end is detachably connected to the second steel channel 2. An adjustment structure 6 is provided on the connecting steel plate 4, which, in conjunction with a bolt and nut structure, connects the first steel channel 1 and the second steel channel 2. Through the adjustment holes or slots, the optimal installation position of the steel component can be quickly locked, reducing repeated calibration time, compensating for dimensional deviations during processing or transportation of the steel component, and avoiding rework.
[0032] In one embodiment, the adjustment structure 6 consists of multiple adjustment holes, and bolts pass through the adjustment holes and the fixing holes of the connecting ear plate 5 on the second steel groove 2 to connect with nuts.
[0033] In one embodiment, the adjustment structure 6 is an elongated groove, and the bolt passes through the fixing hole of the connecting ear plate 5 on the elongated groove and the second steel groove 2 and is connected to the nut.
[0034] Both the first steel channel 1 and the second steel channel 2 are equipped with elastic pressure plate structures. The elastic pressure plate structure includes a connecting rod 7, a spring 8, and a pressure plate 9. The connecting rod 7 penetrates the side wall of the first steel channel 1 or the second steel channel 2, extends into a slot, and is fixedly connected to the pressure plate 9. The spring 8 is sleeved on the connecting rod 7, with both ends abutting against the side wall of the first steel channel 1 or the second steel channel 2, and the other end abutting against the pressure plate 9. The spring 8 drives the pressure plate 9 to apply adaptive pressure to the steel component. Combined with the guiding effect of the connecting rod 7, this ensures that the steel component is evenly clamped, effectively preventing displacement caused by vibration or external forces. Simultaneously, the elastic pressure plate structure eliminates the need for traditional welding or complex fastening steps, reducing reliance on manual labor.
[0035] At least two springs 8 are provided to balance the force on the pressure plate 9, prevent component deformation caused by excessive pressure on one side, and improve the durability and reliability of the clamping force.
[0036] In use, the slots of the first steel channel 1 and the second steel channel 2 are positioned with their openings facing upwards. The steel component is then placed into the slots of the first steel channel 1 and the second steel channel 2. For details, refer to... Figure 2 Construction workers simply place the steel components in the slots and connect them with rivets or bolts to achieve flexible rotation. The angle of the steel components can be precisely adjusted according to construction needs. After adjustment, the angle is changed by adjusting the bolts at the connection points to firmly fix the steel components to the device. The operation is very convenient, fully considering the operating habits and workload of construction workers, reducing cumbersome installation and adjustment steps, thereby accelerating construction progress, reducing the probability of human error, and ensuring construction safety. In irregular steel structure nodes (such as space frames and cantilever trusses), it can replace traditional welded temporary supports, reducing the risk of thermal deformation. It is suitable for high-altitude / confined space operations, has high single-person operation efficiency, and can be used for fixing small-sized steel components during welding, as well as for temporary fixing in steel structures, allowing for single-person operation.
[0037] This utility model discloses a multi-angle small-sized steel component fixing device, which has the following advantages: First, it effectively avoids displacement of steel components during temporary fixing or welding, ensuring the accuracy and safety of construction; second, it significantly saves labor and simplifies the operation process; third, it has strong applicability, suitable for various small-sized steel components, bringing efficiency and convenience to building construction. The device can flexibly adjust the angle and, through a reliable screw fixing method, effectively solves the drawbacks of traditional fixing methods, meeting the needs of building construction for efficiency, precision, and safety, and providing strong support for the development of the construction industry. This device fills the gap in simplifying the fixing of small-sized steel components (section ≤ 80mm × 80mm), enabling single-person operation with reliable accuracy and safety, and effectively reducing welding, especially in temporary fixing. For application in large-sized components, the slot size can be adjusted, and the spring 8 fixing device can be replaced with bolt fixing, effectively ensuring the stability of the component. It can also effectively promote the transformation of construction technology from "experience-oriented" to "precision control." By reducing welding, the fire risk can be reduced by more than 30%, meeting LEED green construction certification requirements.
[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the technical solution of the present utility model in any way. Those skilled in the art should understand that, without departing from the spirit and principles of the present utility model, the technical solution can be modified and replaced in several simple ways, and these modifications and replacements are all within the scope of protection covered by the claims.
Claims
1. A multi-angle small-sized steel component fixing device, characterized in that, It includes a first steel channel (1) and a second steel channel (2), and a movable steel plate (3) and a connecting steel plate (4) are provided between the first steel channel (1) and the second steel channel (2). The two ends of the movable steel plate (3) are rotatably connected to the first steel channel (1) and the second steel channel (2) respectively. The movable steel plate (3) is segmented, and two adjacent segments are rotatably connected. One end of the connecting steel plate (4) is rotatably connected to the first steel channel (1), and the other end is detachably connected to the second steel channel (2); when in use, the steel component is placed in the slots of the first steel channel (1) and the second steel channel (2).
2. The multi-angle small-specification steel component fixing device according to claim 1, characterized in that, The length axes of the first steel channel (1) and the second steel channel (2) are parallel.
3. The multi-angle small-specification steel component fixing device according to claim 1, characterized in that, Two connecting lugs (5) are provided on both the first steel trough (1) and the second steel trough (2), and the movable steel plate (3) and the connecting steel plate (4) are connected through the connecting lugs (5).
4. The multi-angle small-specification steel component fixing device according to claim 3, characterized in that, An adjustment structure (6) is provided on the connecting steel plate (4). The adjustment structure (6) is connected to the first steel groove (1) and the second steel groove (2) in conjunction with the bolt and nut structure.
5. The multi-angle small-specification steel component fixing device according to claim 4, characterized in that, The adjustment structure (6) consists of multiple adjustment holes. Bolts pass through the adjustment holes and the fixing holes of the ear plate (5) on the second steel groove (2) and are connected to the nuts.
6. The multi-angle small-specification steel component fixing device according to claim 4, characterized in that, The adjustment structure (6) is a long groove, and the bolt passes through the fixing hole of the ear plate (5) on the long groove and the second steel groove (2) and is connected to the nut.
7. The multi-angle small-specification steel component fixing device according to claim 1, characterized in that, Both the first steel channel (1) and the second steel channel (2) are provided with elastic pressure plate structures. The elastic pressure plate structures include connecting rods (7), springs (8) and pressure plates (9). The connecting rods (7) penetrate the side wall of the first steel channel (1) or the second steel channel (2) and extend into the slot, and are fixedly connected to the pressure plates (9). The springs (8) are sleeved on the connecting rods (7), and both ends abut against the side wall of the first steel channel (1) or the second steel channel (2) respectively, and the other end abuts against the pressure plates (9).
8. The multi-angle small-specification steel component fixing device according to claim 7, characterized in that, At least two springs (8) are provided.
9. The multi-angle small-specification steel component fixing device according to claim 7, characterized in that, The movable steel plate (3) and the connecting steel plate (4) are staggered vertically.
10. The multi-angle small-specification steel component fixing device according to claim 7, characterized in that, The length axis of the movable steel plate (3) is parallel to that of the connecting steel plate (4).