General foundation bolt limiting device and limiting structure of power transmission tower

Abstract

The utility model provides a kind of transmission tower general type anchor bolt limiting device and limiting structure, the limiting device includes central tube, threaded screw rod and clamping arm;The lumen of the central tube is equipped with thread, and the both ends of central tube are respectively embedded with threaded screw rod, and each threaded screw rod is correspondingly detachably connected with one clamping arm;The threaded screw rod can be screwed into or out of relative to the central tube to adjust the length of its exposed part, and the clamping arm includes arm pipe and clamp arranged at one end of arm pipe, and the other end of arm pipe is connected with the exposed part of threaded screw rod;The limiting structure includes foundation, the middle part of the foundation is provided with multiple anchor bolts, the outer periphery of the foundation is provided with multiple short column vertical steel bars, and the limiting device is respectively arranged between every two anchor bolts and between anchor bolt and one or more short column vertical steel bars.

Description

Technical Field

[0001] This utility model relates to a universal anchor bolt limiting device and limiting structure for power transmission towers. Background Technology

[0002] As a crucial component connecting the tower body to the foundation, the anchor bolts of power transmission towers require extremely high standards during construction. Even a slight deviation in the on-site positioning of the anchor bolts can prevent the tower from being installed and pose certain safety hazards.

[0003] Currently, common methods include welding anchor bolts to surrounding reinforcing bars for positioning, or using wire binding as a positioning method. However, on-site welding can damage the anchor bolts, resulting in smaller bolt diameters, stress concentration, and other adverse effects. Furthermore, the presence of welding creates insufficient operating space, posing certain construction safety hazards. Wire binding, on the other hand, suffers from insufficient wire strength, which can cause bolt misalignment during pouring. Both methods result in insufficient positioning accuracy.

[0004] Therefore, it is easy to see that traditional limiting methods mainly have disadvantages such as low operability, poor positioning effect, damage to the original structure, and construction safety hazards. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a universal anchor bolt limiting device and limiting structure for power transmission towers, which is specifically achieved through the following technical means: A universal anchor bolt limiting device for power transmission towers includes a central tube, a threaded rod, and a clamping arm. The central tube has a thread inside its cavity, and threaded rods are respectively installed at both ends of the central tube. Each threaded rod is detachably connected to a clamping arm. The threaded rod can be screwed into or out of the central tube to adjust the length of its exposed portion. The clamping arm includes an arm tube and a clamp at one end of the arm tube, while the other end of the arm tube is connected to the exposed portion of the threaded rod.

[0006] Preferably, the clamp includes a fixed clamping flap and a movable clamping flap. The fixed clamping flap is fixed to the arm tube, and the movable clamping flap is hinged to one end of the fixed clamping flap and can rotate around the hinged end to open or close the clamp.

[0007] Preferably, connecting holes are provided on the other end of the moving clip and the fixed clip opposite to the hinge end, so as to lock and unlock the moving clip and the fixed clip in conjunction with the connecting bolt.

[0008] Preferably, the exposed end of the threaded screw is provided with a hook, and the arm tube is provided with a hanging hole so that it can be hooked by the hook.

[0009] A universal anchor bolt limiting structure for power transmission towers includes a foundation, wherein multiple anchor bolts are provided in the middle of the foundation, and multiple short column vertical reinforcing bars are provided on the outer periphery of the foundation. The aforementioned universal anchor bolt limiting device for power transmission towers is provided between pairs of anchor bolts and between anchor bolts and one or more short column vertical reinforcing bars.

[0010] Compared with existing technologies, the advantages of this utility model are: it achieves mechanical fixing of anchor bolts and surrounding reinforcing bars, facilitating construction, ensuring structural stability, providing high limiting strength, and not damaging the original structure. Furthermore, the adjustable screw device enhances the applicability of this structure, allowing it to adapt to various bolt combinations through adjustment, thus achieving a universal limiting method and offering significant economic and social benefits. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the limiting device.

[0012] Figure 2 This is a side view of the structure of a power transmission tower foundation.

[0013] Figure 3 This is a schematic diagram of the structure of a power transmission tower foundation from a top-down perspective. Detailed Implementation

[0014] The following is in conjunction with the appendix Figures 1 to 3 The following is a further description of the proposed solution: See appendix Figure 1 A universal anchor bolt limiting device for power transmission towers includes a central tube 1, two threaded rods 2, and two clamping arms 3. The central tube 1 has threads inside its cavity, and threaded rods 2 are respectively installed at both ends of the central tube 1. Each threaded rod 2 is detachably connected to a clamping arm 3. The threaded rods 2 can be screwed into or out of the central tube 1 to adjust the length of their exposed parts. The clamping arms 3 include an arm tube 31 and a clamp 32 located at one end of the arm tube 31, while the other end of the arm tube 31 is connected to the exposed part of the threaded rod 2.

[0015] This device can adapt to different anchor bolt spacings by adjusting the length of the exposed portion of the threaded rod 2, thereby improving the device's applicability. During installation, the exposed portion of the threaded rod 2 can be left longer. After connecting with the anchor bolts and reinforcing bars, rotating the central tube 1 allows the threaded rods 2 at both ends to retract into the tube, which also has a tightening effect. This not only provides a buffer distance for installation, eliminating the need for workers to pull it tightly, but also allows for tightening and loosening of the device without the aid of tools, facilitating assembly and disassembly.

[0016] Furthermore, to facilitate the clamping of anchor bolts or reinforcing bars, the clamp 32 adopts a movable opening and closing structure, which includes a fixed clamping flap 321 and a movable clamping flap 322. The fixed clamping flap 321 is fixed to the arm tube 31, and the movable clamping flap 322 is hinged to one end of the fixed clamping flap 321 and can rotate around the hinge end A to realize the opening or closing of the clamp 32. Connecting holes are respectively provided on the other end of the movable clamping flap 322 and the fixed clamping flap 321 opposite to the hinge end A, which, together with the connecting bolt 323, realize the locking and unlocking of the movable clamping flap 322 and the fixed clamping flap 321.

[0017] Furthermore, the exposed end of the threaded rod 2 is provided with a hook 21, and the arm tube 31 is provided with a hanging hole 33 so that it can be hooked by the hook 21. This matching structure of hook 21 and hanging hole 33 allows for a larger space between the arm tube 31 and the threaded rod 2, providing the possibility for tightening and loosening the device. During installation, first connect the clamp to the anchor bolts and reinforcing bars, then hook the adjusted connection part (center tube 1 and threaded rod 2) to the arm tube 31, and finally rotate the center tube 1 to tighten it.

[0018] See appendix Figure 2 and 3 This device is applied to a universal anchor bolt limiting structure for power transmission towers. It includes a foundation 4, with multiple anchor bolts 5 in the middle of the foundation 4 and multiple short vertical steel bars 6 around the outer perimeter of the foundation 4. The aforementioned universal anchor bolt limiting device for power transmission towers is installed between pairs of anchor bolts 5 and between anchor bolts 5 and one or more short vertical steel bars 6, respectively, to mechanically fix the anchor bolts 5 and the surrounding short vertical steel bars 6. It is convenient to construct, has a fixed structure, high limiting strength, and does not damage the original structure.

[0019] The above preferred embodiments should be regarded as illustrative examples of the embodiments of the present application. Any technical deductions, substitutions, improvements, etc. that are similar to or based on the present application should be considered within the scope of protection of this patent.

Claims

1. A universal anchor bolt limiting device for power transmission towers, characterized in that, The device includes a central tube, a threaded screw, and a clamping arm. The central tube has a threaded cavity, and threaded screws are fitted at both ends of the central tube. Each threaded screw is detachably connected to a clamping arm. The threaded screw can be screwed into or out of the central tube to adjust the length of its exposed portion. The clamping arm includes an arm tube and a clamp at one end of the arm tube, while the other end of the arm tube is connected to the exposed portion of the threaded screw. The clamp includes a fixed clamping flap and a movable clamping flap. The fixed clamping flap is fixed to the arm tube, and the movable clamping flap is hinged to one end of the fixed clamping flap and can rotate around the hinged end to open or close the clamp. Connecting holes are provided at the opposite ends of the movable and fixed clamping flaps to allow locking and unlocking of the movable and fixed clamping flaps with the help of connecting bolts. A hook is provided on the exposed end of the threaded screw, and a hanging hole is provided on the arm tube to allow it to be hooked.

2. A universal anchor bolt limiting structure for power transmission towers, comprising a foundation, characterized in that, The foundation has multiple anchor bolts in the middle and multiple short column vertical steel bars on the outer periphery. The universal anchor bolt limiting device for power transmission towers as described in claim 1 is provided between each pair of anchor bolts and between the anchor bolts and one or more short column vertical steel bars.

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