A remote control electric support rod for precast concrete T-beam

Abstract

This invention relates to the field of bridge construction technology, specifically disclosing a remote-controlled electric support rod for precast concrete T-beams, comprising a base assembly for providing bottom support, a height adjustment mechanism, and a top support assembly. The height adjustment mechanism includes a horizontally positioned third panel and a fourth panel fixed to the base assembly. The third panel is located above the fourth panel and connected to it via at least two lead screws. The lead screws pass through sleeves fixed to the fourth panel and are locked by fasteners at both ends of the sleeves. The top support assembly is connected above the height adjustment mechanism and includes a second panel fixed to the third panel and a first panel located thereon for contacting the beam body, with the first panel and the second panel centrally movably connected. This structure allows for flexible adjustment and locking of the support height via lead screws. Simultaneously, the top support assembly can adapt to the condition of the beam's bottom surface, achieving height adjustability, locking reliability, and adaptive support for uneven beam surfaces.

Description

Technical Field

[0001] This invention relates to the field of bridge construction technology, and in particular to a remote-controlled electric support rod for precast concrete T-beams. Background Technology

[0002] In the field of bridge engineering, precast concrete T-beams are often considered a preferred option due to their advantages in structural stress and subsequent maintenance. However, the safety and convenience of support operations during installation and construction have long been issues, which have to some extent limited the wider application of T-beams.

[0003] Currently, during the erection or temporary support of T-beams, fixed-height support rods or manual jacks are commonly used for lifting and positioning. These traditional methods have several significant drawbacks in practical application: First, adjusting the support height often relies on manual operation directly beneath the beam, posing a considerable safety risk to construction workers from falls or beam instability. Second, for complex conditions such as uneven ground or tilted beam bottoms, traditional support equipment has limited adjustment capabilities, making it difficult to achieve rapid and precise height adaptation, thus affecting construction efficiency and support stability. Third, the top of the support rod and the bottom surface of the beam flange are often in rigid contact, which can easily cause pressure damage or scratches to the concrete surface during stress, affecting the beam's durability and appearance. Furthermore, most support devices require customized specifications to meet different working conditions, resulting in poor versatility, inconvenient disassembly and transportation, increased material and labor costs, and low equipment reuse rates.

[0004] Therefore, how to provide a T-beam construction support device that can achieve remote and safe operation, adapt to complex terrain and height adjustment, effectively protect the concrete surface of the beam, and has good economy and reusability has become a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0005] The purpose of this invention is to provide a remote-controlled electric support rod for precast concrete T-beams, in order to solve the above-mentioned technical problems existing in the prior art.

[0006] To achieve the above objectives, the present invention provides the following solution: a remote-controlled electric support rod for precast concrete T-beams, comprising: a base assembly for providing bottom support; a height adjustment mechanism including a horizontally arranged third panel and a fourth panel, the fourth panel being fixedly connected to the base assembly, the third panel being located directly above the fourth panel and connected to the fourth panel via at least two lead screws, a sleeve for the lead screws to pass through being fixedly connected to the fourth panel, and locking fasteners at both ends of the sleeve for locking the lead screws within the sleeve; a top support assembly connected above the height adjustment mechanism for contacting and supporting the beam; the top support assembly includes a second panel fixedly supported on the third panel and a first panel located above the second panel for contacting the beam; the first panel and the second panel are centrally movably connected.

[0007] Optionally, the base assembly includes a bottom panel, a second support column vertically fixed to the bottom panel, and a fourth panel fixed to the top of the second support column.

[0008] Optionally, the fourth panel is provided with a jack placement platform for placing an electric remote-controlled jack, and the bottom of the third panel is fixedly connected to a lifting drive interface that mates with the ejector end of the electric remote-controlled jack. After the remote-controlled jack has been lifted, it can be freely removed, making it a multi-purpose device.

[0009] Optionally, a first support column is fixed between the third panel and the second panel, and the bottom end of the first support column passes through the center of the third panel to form the lifting drive interface.

[0010] Optionally, the first support column and / or the second support column are galvanized pipes.

[0011] Optionally, the top support assembly further includes a universal joint connected between the first panel and the second panel, the universal joint adapting to the tilt or unevenness of the bottom surface of the beam by multi-directional deflection within a preset angle range.

[0012] Optionally, the preset angle range of the universal joint is ±10 degrees.

[0013] Optionally, a cushioning pad is also provided on the top of the first panel.

[0014] Optionally, the buffer pad is a rubber pad that is attached to the upper surface of the first panel by an adhesive.

[0015] Optionally, the locking device is a nut, and each end of the sleeve is provided with a hole ring for the nut to tighten. The nut can lock the support position, ensuring that the support force remains unchanged after the electric remote control jack is removed.

[0016] Compared with the prior art, the present invention discloses at least the following beneficial effects: This invention, through an integrated structure comprising a base assembly, a height adjustment mechanism, and a top support assembly, achieves safe, remote-controlled, precise, and highly adaptable support for precast concrete T-beams. The height adjustment mechanism, using an electrically controlled jack and at least two horizontally positioned lead screws and sleeves, secured with locking fasteners, allows the third panel to be stably raised and lowered relative to a fourth panel fixed to the base. This enables remote, precise, and reliable stepless adjustment of the support height, eliminating the need for operators to enter the dangerous area under the beam, significantly improving construction safety. In the top support assembly, the second panel fixed to the third panel and the first panel contacting the beam are centrally connected. This design allows the support surface to adapt to the actual conditions of the beam's bottom surface within a certain range, effectively compensating for tilts or unevenness caused by the beam's manufacturing or installation position, ensuring uniform distribution of support force, and enhancing support stability. The entire device has a clear structure, with each component functioning clearly and collaboratively, providing a construction support solution that is convenient to adjust, accurately positioned, provides stable load-bearing capacity, and effectively protects the beam surface. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 The front view of the remote-controlled electric support rod for precast concrete T-beams provided by the present invention; Figure 2 Axonometric view of the remote-controlled electric support rod for precast concrete T-beams provided by the present invention Figure 1 ; Figure 3 Axonometric view of the remote-controlled electric support rod for precast concrete T-beams provided by the present invention Figure 2 ; Figure 4 This is a diagram illustrating the effect of using the remote-controlled electric support rod of the present invention; Figure 5 This is a diagram showing the use and coordination of the remote-controlled electric support rod and the jack of this invention.

[0019] Reference numerals in the attached diagram: 1. Rubber gasket; 2. First panel; 3. Universal joint; 4. Second panel; 5. First support column; 6. Triangular stiffening plate; 7. Third panel; 8. Long stiffening plate; 9. Lead screw; 10. Sleeve; 11. Fourth panel; 12. Jack placement platform; 13. Nut; 14. Second support column; 15. Bottom panel; 16. T-beam bridge; 17. Electric remote control jack. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] Reference Figures 1 to 5 As shown in the figure, this embodiment of the invention provides a remote-controlled electric support rod for precast concrete T-beams. This remote-controlled electric support rod is mainly used in the erection or temporary support operations of the precast concrete T-beam bridge 16. It is a support device that can be remotely operated, has adjustable height, is highly adaptable, and can effectively protect the beam.

[0023] In this embodiment, the remote-controlled electric support rod mainly includes a base assembly, a height adjustment mechanism, and a top support assembly. Specifically, the main structure of the remote-controlled electric support rod, from bottom to top, includes a bottom panel 15, a second support column 14, a fourth panel 11, a sleeve 10, a lead screw 9, a nut 13, a third panel 7, a first support column 5, a second panel 4, a universal joint 3, a first panel 2, and a rubber gasket 1. The bottom panel 15 serves as the base of the entire support rod, directly contacting the ground to distribute the load. The bottom end of the second support column 14 is vertically fixed to the bottom panel 15, and a long reinforcing rib 8 is welded between them to significantly enhance the structural strength and bending resistance of the connection. The top end of the second support column 14 is fixedly connected to the center of the bottom surface of a horizontally positioned fourth panel 11, also reinforced by a triangular reinforcing rib 6 to ensure the stability of vertical force transmission.

[0024] In one specific embodiment, the bottom panel 15, the third panel 7, and the fourth panel 11 are preferably cut from Q235B steel plates with a thickness of 10mm, which have good strength and weldability. The bottom panel 15 has a diameter of, for example, 300mm to provide sufficient grounding area and ensure support stability. The first panel 2 and the second panel 4 can be made of slightly thinner steel plates, for example, with a thickness of 8mm.

[0025] In this embodiment, the height adjustment mechanism, as a core component, cleverly combines rapid lifting with precise locking. Specifically, two through holes are formed on the fourth panel 11, with the central axis of the second support column 14 as the center of symmetry. Two sleeves 10 are welded and fixed into these two through holes, maintaining horizontal coaxiality. A lead screw 9 passes horizontally through these two sleeves 10. Each sleeve 10 has threaded hole rings at both ends. By tightening the hole rings with nuts 13, the lead screw 9 can be firmly locked in any desired position within the sleeve 10, thereby achieving axial positioning of the lead screw 9. The top of the lead screw 9 is supported and fixedly connected to the third panel 7 by another nut 13. A through hole is formed in the center of the third panel 7, through which the lower end of the first support column 5 passes and is welded and fixed to the third panel 7. Therefore, when the lead screw 9 is tightened to cause axial movement, the third panel 7 and the first support column 5 fixed thereto can move up and down synchronously, achieving precise height adjustment of the top of the support rod. After adjustment, tighten each nut 13 to achieve reliable mechanical self-locking.

[0026] In one specific embodiment, the lead screw 9 is preferably a threaded rod with a length of 800 mm and a diameter of 32 mm, and its material is No. 45 steel to ensure sufficient strength and thread accuracy.

[0027] In one specific embodiment, the sleeve 10 may be a steel pipe with a length of 200 mm, a diameter of 42 mm, and a wall thickness of 3.5 mm.

[0028] In this embodiment, the top support assembly is directly responsible for contacting and protecting the bottom surface of the T-beam flange. The upper end of the first support column 5 is fixedly connected to the second panel 4. The second panel 4 is connected to the first panel 2 via a universal joint 3. This structure allows the first panel 2 to freely deflect within a certain angle range, thereby adapting to any slope or unevenness that may exist at the bottom of the beam and ensuring complete contact of the support surface. A rubber gasket 1 is tightly fitted onto the upper surface of the first panel 2. This rubber gasket 1 plays a crucial buffering role during support, effectively preventing the hard metal panel from directly crushing or scratching the surface of the precast concrete beam.

[0029] In one specific embodiment, the material and specifications of the support columns, as core load-bearing components, are crucial. The first support column 5 and the second support column 14 are preferably made of high-strength galvanized steel pipes. Galvanizing effectively prevents corrosion and extends service life in outdoor construction environments. The bottom end of the second support column 14 is vertically welded to the bottom panel 15, and its top end is welded to the center of the bottom surface of the fourth panel 11. The lower end of the first support column 5 passes through and is welded to the through hole in the center of the third panel 7, and its upper end is welded to the second panel 4.

[0030] In one specific embodiment, a rubber gasket 1 is firmly attached to the upper surface of the first panel 2 by an adhesive. The rubber gasket 1 is preferably made of neoprene rubber, with a thickness of about 3mm, and its size is adapted to the first panel 2, preferably 150mm×150mm. It has excellent elasticity, wear resistance and aging resistance, and can effectively cushion and prevent damage to the concrete beam surface.

[0031] In one specific embodiment, the first panel 2 and the second panel 4 are connected by a universal joint 3. The universal joint 3 can be a standard spherical bearing or a self-made cross shaft structure, allowing the first panel 2 to deflect in multiple directions within any range, thereby automatically adapting to the inclined surface of the bottom flange of the beam and ensuring that the supporting surface is evenly stressed.

[0032] In one specific embodiment, the first support column 5 is preferably a galvanized pipe with a length of 500 mm, a diameter of 42 mm, and a wall thickness of 4 mm.

[0033] In one specific embodiment, the second support column 14 is preferably a galvanized hollow tube or a galvanized solid tube with a length of 900 mm and a diameter of 60 mm.

[0034] To achieve safe and efficient remote-controlled jacking, a jack placement platform 12 is integrally extended from one side of the fourth panel 11. During construction, an electric remote-controlled jack 17 can be placed on this platform 12. Operators can control the piston rod of the electric remote-controlled jack 17 to extend from a safe area away from the beam using a remote control. The top of the piston rod acts on the bottom of the first support column 5, thereby lifting the top support assembly (including the first panel 2, universal joint 3, and second panel 4) and the first support column 5 upwards, quickly completing the initial support positioning. This design eliminates the need for operators to enter the dangerous area under the beam, greatly ensuring personal safety. Furthermore, a single electric remote-controlled jack 17 can be used cyclically between multiple support points, improving equipment utilization.

[0035] To further enhance the overall rigidity and stability of the support rod under heavy loads, reinforced structures are installed at key stress-bearing areas. In addition to the aforementioned stiffening plates at the bottom and top of the second support column 14, long stiffening plates 8 are symmetrically welded to the bottom surface of the third panel 7, located on both sides of the first support column 5, to resist the bending moment generated by the lifting force. Simultaneously, triangular stiffening plates 6 are also welded to the top surface of the third panel 7, around the first support column 5, to strengthen the connection between the first support column 5 and the third panel 7.

[0036] The working principle and usage of the remote-controlled electric support rod in this embodiment are as follows: When supporting the precast concrete T-beam bridge 16, the support rod is first placed at the predetermined support point, ensuring the bottom panel 15 is stably on the ground. From a safe area, the operator remotely starts the electric remote-controlled jack 17, which is placed on the jack platform 12. The piston rod of the electric remote-controlled jack 17 pushes the bottom of the first support column 5, driving the entire top support assembly upwards until the rubber pad 1 contacts the bottom of the beam and applies a certain preload. Subsequently, the height is finely adjusted by rotating the lead screw 9 to ensure uniform and appropriate support force. After adjustment, the nuts 13 at both ends of the sleeve 10 and the top of the lead screw 9 are tightened sequentially to securely lock the lead screw 9 and the entire adjustment mechanism, causing the support rod to switch to a purely mechanical load-bearing state. At this point, the electric remote-controlled jack 17 can be removed for the next support point. When it is necessary to remove the support, the nuts 13 can be loosened first, and the above process can be reversed.

[0037] The remote-controlled electric support rod of this embodiment, through the optimal combination of the above-mentioned materials and specifications, achieves multiple beneficial effects such as remote control operation, precise height adjustment, adaptive beam bottom angle, effective protection of beam body and reusability of components, while ensuring support bearing capacity and safety. It is especially suitable for the erection and temporary support construction of precast concrete T-beam bridge 16.

[0038] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0039] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A remote-controlled electric support rod for precast concrete T-beams, characterized in that, include: Base assembly, used to provide bottom support; The height adjustment mechanism includes a horizontally arranged third panel (7) and a fourth panel (11). The fourth panel (11) is fixed to the base assembly. The third panel (7) is located directly above the fourth panel (11) and is connected to the fourth panel (11) by at least two lead screws (9). A sleeve (10) for the lead screws (9) to pass through is fixed to the fourth panel (11). Both ends of the sleeve (10) are provided with locking fasteners for locking the lead screws (9) in the sleeve (10). A top support assembly is connected above the height adjustment mechanism for contacting and supporting the beam; the top support assembly includes a second panel (4) fixedly supported on the third panel (7) and a first panel (2) located above the second panel (4) for contacting the beam; the first panel (2) is movably connected to the center of the second panel (4).

2. The remote-controlled electric support rod for precast concrete T-beams according to claim 1, characterized in that, The base assembly includes a bottom panel (15), a second support column (14) vertically fixed to the bottom panel (15), and a fourth panel (11) fixed to the top of the second support column (14).

3. The remote-controlled electric support rod for precast concrete T-beams according to claim 2, characterized in that, The fourth panel (11) is provided with a jack placement platform (12) for placing an electric remote control jack (17), and the bottom of the third panel (7) is fixed with a lifting drive interface that cooperates with the ejection end of the electric remote control jack (17).

4. The remote-controlled electric support rod for precast concrete T-beams according to claim 3, characterized in that, A first support column (5) is fixed between the third panel (7) and the second panel (4), and the bottom end of the first support column (5) passes through the center of the third panel (7) to form the lifting drive interface.

5. The remote-controlled electric support rod for precast concrete T-beams according to claim 4, characterized in that, The first support column (5) and / or the second support column (14) are galvanized pipes.

6. The remote-controlled electric support rod for precast concrete T-beams according to any one of claims 1 to 5, characterized in that, The top support assembly also includes a universal joint (3) connecting the first panel (2) and the second panel (4), the universal joint (3) adapting to the tilt or unevenness of the bottom surface of the beam by multi-directional deflection within a preset angle range.

7. The remote-controlled electric support rod for precast concrete T-beams according to claim 6, characterized in that, The preset angle range of the universal joint (3) is ±10 degrees.

8. The remote-controlled electric support rod for precast concrete T-beams according to claim 6, characterized in that, The top of the first panel (2) is also provided with a cushioning pad.

9. The remote-controlled electric support rod for precast concrete T-beams according to claim 8, characterized in that, The buffer pad is a rubber pad (1) that is attached to the upper surface of the first panel (2) by an adhesive.

10. The remote-controlled electric support rod for precast concrete T-beams according to claim 1, characterized in that, The locking device is a nut (13), and each of the sleeves (10) has a hole ring at both ends for the nut (13) to be tightened.

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