A structure for reinforcing a single-tube tower node with inner flange by using carbon fiber plate

Abstract

This utility model relates to the field of single-tube tower node reinforcement technology, and discloses a structure for reinforcing the node of an inner flange single-tube tower using carbon fiber plates. The structure includes a lower tower pipe and an upper tower pipe. The upper tower pipe is fixed to the top of the lower tower pipe. A support sleeve is fixedly fitted around the outer ring of the bottom of the lower tower pipe. A reinforcing sleeve is detachably fitted around the outer ring of the top of the upper tower pipe. Multiple arc-shaped reinforcing plates arranged in a circular array are fixed to the outer ring of the top of the lower tower pipe. The reinforcing plates are fixed to the outer ring of the upper tower pipe. Reinforcing cloth is fixed around the outer side of the multiple reinforcing plates. Multiple lower slots arranged in a circular array are opened at the top of the inner ring of the support sleeve, and multiple upper slots arranged in a circular array are opened at the bottom of the inner ring of the reinforcing sleeve. In this utility model, the node of the inner flange single-tube tower is reinforced with a high-strength structure to withstand wind loads, preventing the tower pipe from collapsing due to bolt breakage in strong winds. This provides high safety and is beneficial for the long-term use of the inner flange single-tube tower.

Description

Technical Field

[0001] This utility model relates to the field of single-tube tower node reinforcement technology, and in particular to a structure for reinforcing an inner flange single-tube tower node using carbon fiber plates. Background Technology

[0002] A monotube tower is a type of communication tower. An internal flange monotube tower joint refers to the method of connecting various steel pipe sections via an internal flange. The internal flange is located inside the steel pipe, and adjacent tower pipes are tightly connected together using bolts. This connection method results in a simpler and more streamlined tower appearance, reduces the impact of external connections on wind resistance, and improves the tower's wind resistance.

[0003] Currently, the nodes of internal flange monotube towers rely solely on flanges and bolts to bear wind loads. In strong winds, the tower pipes are prone to collapse due to bolt breakage, resulting in insufficient safety and hindering the long-term use of internal flange monotube towers. Therefore, a structure using carbon fiber plates to reinforce the nodes of internal flange monotube towers is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a structure that uses carbon fiber plates to reinforce the nodes of an inner flange monotube tower. This design aims to improve the existing technology where the nodes of an inner flange monotube tower rely solely on flanges and bolts to bear wind loads. In such cases, the tower pipes of an inner flange monotube tower are prone to collapse due to bolt breakage during strong winds, resulting in insufficient safety and hindering the long-term use of the inner flange monotube tower.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a structure for reinforcing an inner flange single-tube tower node using carbon fiber plates, comprising a lower tower pipe and an upper tower pipe, wherein the upper tower pipe is fixed to the top of the lower tower pipe, a support sleeve is fixedly sleeved on the outer ring of the bottom of the lower tower pipe, a reinforcing sleeve is detachably sleeved on the outer ring of the top of the upper tower pipe, and multiple arc-shaped reinforcing plates arranged in a circular array are fixed on the outer ring of the top of the lower tower pipe, the reinforcing plates are fixed to the outer ring of the upper tower pipe, and a reinforcing cloth is fixedly wrapped around the outer side of the multiple reinforcing plates. The top of the inner ring of the support sleeve has multiple arc-shaped lower slots arranged in a circular array, and the bottom of the inner ring of the reinforcing sleeve has multiple arc-shaped upper slots arranged in a circular array. The bottom of the reinforcing plate is inserted into the lower slot, and the top of the reinforcing plate is inserted into the upper slot.

[0006] As a further description of the above technical solution:

[0007] The lower flange is fixedly sleeved on the inner ring of the top of the lower tower tube, and the upper flange is fixedly sleeved on the inner ring of the bottom of the upper tower tube. The lower flange and the upper flange are fixedly connected by a plurality of connecting bolts arranged in a circular array.

[0008] As a further description of the above technical solution:

[0009] The outer ring of the lower tower tube is adapted to the outer ring of the upper tower tube, and the inner ring of the reinforcing sleeve is adapted to the outer ring of the upper tower tube. Multiple reinforcing bolts are movably inserted into the top of the reinforcing sleeve through multiple bolt holes arranged in a circular array. The reinforcing sleeve is fixed to the outer ring of the upper tower tube by the multiple reinforcing bolts.

[0010] As a further description of the above technical solution:

[0011] The reinforcing fabric is made of carbon fiber cloth, and the reinforcing plate is made of carbon fiber plate.

[0012] As a further description of the above technical solution:

[0013] The curvature of the reinforcing plate is adapted to the curvature of the outer ring of the lower tower tube. The reinforcing plate is fixed to the outer ring of the lower and upper tower tubes with epoxy resin structural adhesive. The reinforcing cloth is fixed to the outside of multiple reinforcing plates with epoxy resin impregnation adhesive. The reinforcing cloth is fixed to the outer ring of the lower and upper tower tubes with epoxy resin impregnation adhesive.

[0014] As a further description of the above technical solution:

[0015] The dimensions of the lower slot are adapted to the dimensions of the reinforcing plate, the bottom end of the reinforcing plate contacts the inner bottom wall of the lower slot, the dimensions of the upper slot are adapted to the dimensions of the reinforcing plate, and the top end of the reinforcing plate contacts the inner top wall of the upper slot.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] In this invention, the inner side of the reinforcing plate is tightly fixed to the outer ring of the lower and upper tower pipes with adhesive. The reinforcing plate is firmly fixed by the support sleeve and the reinforcing sleeve. The reinforcing cloth is tightly wrapped and fixed to the outer side of multiple reinforcing plates and the outer ring of the lower and upper tower pipes. The high-strength reinforcing structure composed of the reinforcing cloth and multiple reinforcing plates can withstand the wind loads in all directions at the nodes of the single-tube tower, which can prevent the connecting bolts from breaking in strong winds. The nodes of the inner flange single-tube tower can withstand the wind loads through the high-strength reinforcing structure, which can prevent the tower pipe from collapsing due to bolt breakage in strong winds. It has high safety and is conducive to the long-term use of the inner flange single-tube tower. Attached Figure Description

[0018] Figure 1 This is a structural diagram of a single-tube tower node with an inner flange reinforced by carbon fiber plate, as proposed in this utility model.

[0019] Figure 2This is a schematic diagram of the internal structure of the lower and upper tower pipes of a single-tube tower node with an inner flange reinforced by carbon fiber plate, as proposed in this utility model.

[0020] Figure 3 This utility model proposes a structure for reinforcing the inner flange single-tube tower node using carbon fiber plates. Figure 2 Enlarged structural diagram at point A in the diagram;

[0021] Figure 4 This utility model proposes a structure for reinforcing the inner flange single-tube tower node using carbon fiber plates. Figure 2 An enlarged schematic diagram of the structure at point B in the diagram.

[0022] Legend:

[0023] 1. Lower tower pipe; 2. Upper tower pipe; 3. Support sleeve; 4. Reinforcing cloth; 5. Reinforcing sleeve; 6. Reinforcing bolt; 7. Reinforcing plate; 8. Lower flange; 9. Upper flange; 10. Connecting bolt; 11. Upper slot; 12. Lower slot. Detailed Implementation

[0024] 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.

[0025] Reference Figures 1-4 The present invention provides an embodiment of a structure for reinforcing a single-tube tower node with an inner flange using carbon fiber plates, comprising a lower tower pipe 1 and an upper tower pipe 2. The inner ring of the top of the lower tower pipe 1 is fixedly fitted with a lower flange 8, and the inner ring of the bottom of the upper tower pipe 2 is fixedly fitted with an upper flange 9. The lower flange 8 and the upper flange 9 are tightly fixedly connected by a plurality of connecting bolts 10 arranged in a circular array.

[0026] The upper tower tube 2 is fixed to the top of the lower tower tube 1. The bottom outer ring of the lower tower tube 1 is fixedly fitted with a support sleeve 3. The top outer ring of the upper tower tube 2 is detachably fitted with a reinforcing sleeve 5. The top outer ring of the lower tower tube 1 is fixed with multiple arc-shaped reinforcing plates 7 arranged in a circular array. The reinforcing plates 7 are fixed to the outer ring of the upper tower tube 2. The outer sides of the multiple reinforcing plates 7 are fixed with reinforcing cloth 4. The reinforcing cloth 4 is made of carbon fiber cloth, and the reinforcing plates 7 are made of carbon fiber plate, which makes the reinforcing cloth 4 and the reinforcing plates 7 have high strength. The top of the inner ring of the support sleeve 3 is provided with multiple arc-shaped lower slots 12 arranged in a circular array. The bottom of the inner ring of the reinforcing sleeve 5 is provided with multiple arc-shaped upper slots 11 arranged in a circular array. The bottom of the reinforcing plate 7 is inserted into the lower slot 12, and the top of the reinforcing plate 7 is inserted into the upper slot 11.

[0027] Reference Figures 1-2 The outer ring size of the lower tower tube 1 is matched with the outer ring size of the upper tower tube 2. The inner ring size of the reinforcing sleeve 5 is matched with the outer ring size of the upper tower tube 2. The inner ring of the reinforcing sleeve 5 is in close contact with the outer ring of the upper tower tube 2. Multiple reinforcing bolts 6 are movably inserted into the top of the reinforcing sleeve 5 through multiple bolt holes arranged in a circular array. The reinforcing sleeve 5 is tightly fixed to the outer ring of the upper tower tube 2 by the multiple reinforcing bolts 6.

[0028] Reference Figures 1-2 The curvature of the reinforcing plate 7 matches the curvature of the outer ring of the lower tower pipe 1. The reinforcing plate 7 is fixed to the outer ring of the lower tower pipe 1 and the upper tower pipe 2 with epoxy resin structural adhesive. Multiple reinforcing plates 7 arranged in a circular array are tightly fixed to the outer ring of the lower tower pipe 1 and the upper tower pipe 2, so that the multiple reinforcing plates 7 can withstand wind loads in all directions. The reinforcing cloth 4 is fixed to the outside of the multiple reinforcing plates 7 with epoxy resin impregnation adhesive. The reinforcing cloth 4 is fixed to the outer ring of the lower tower pipe 1 and the upper tower pipe 2 with epoxy resin impregnation adhesive. The reinforcing cloth 4 is tightly wrapped and fixed to the outside of the multiple reinforcing plates 7. The inside of the reinforcing cloth 4 is tightly wrapped and fixed to the outer ring of the lower tower pipe 1 and the upper tower pipe 2, so that the reinforcing cloth 4 can withstand wind loads in all directions.

[0029] Reference Figures 2-4 The dimensions of the lower slot 12 are adapted to the dimensions of the reinforcing plate 7. The bottom end of the reinforcing plate 7 contacts the inner bottom wall of the lower slot 12. The dimensions of the upper slot 11 are adapted to the dimensions of the reinforcing plate 7. The top end of the reinforcing plate 7 contacts the inner top wall of the upper slot 11. The bottom of the reinforcing plate 7 is inserted into the interior of the lower slot 12, and the top end of the reinforcing plate 7 is inserted into the interior of the upper slot 11. The reinforcing plate 7 can be firmly fixed by the support sleeve 3 and the reinforcing sleeve 5.

[0030] In use, if it is necessary to connect the nodes of the inner flange single-tube tower, the lower flange 8 and the upper flange 9 are connected by connecting bolts 10 to fix the lower tower pipe 1 and the upper tower pipe 2. Then, the bottom of multiple reinforcing plates 7 are inserted into the interior of multiple lower slots 12, and the inner side of the reinforcing plates 7 is tightly fixed to the outer ring of the lower tower pipe 1 and the upper tower pipe 2 with epoxy resin structural adhesive. Next, the reinforcing sleeves 5 are fitted onto the outer ring of the upper tower pipe 2 from top to bottom until the top of multiple reinforcing plates 7 are inserted into the interior of multiple upper slots 11. The reinforcing sleeves 5 are firmly fixed to the outer ring of the upper tower pipe 2 with multiple reinforcing bolts 6. The reinforcing plates 7 can be firmly fixed by the support sleeves 3 and the reinforcing sleeves 5. Then, the reinforcing cloth 4 is tightly wrapped around and fixed to the outside of multiple reinforcing plates 7 with epoxy resin impregnation adhesive to reinforce the structure. The cloth 4 is tightly wrapped and fixed to the outer ring of the lower tower tube 1 and the upper tower tube 2 with epoxy resin impregnation, so that the high-strength carbon fiber cloth 4 can withstand the wind load in all directions at the node of the single-tube tower. Multiple reinforcing plates 7 are distributed in a circular array, so that multiple high-strength carbon fiber plate reinforcing plates 7 can withstand the wind load in all directions at the node of the single-tube tower. The high-strength reinforcement structure composed of the reinforcing cloth 4 and multiple reinforcing plates 7 can withstand the wind load in all directions at the node of the single-tube tower, which can prevent the connecting bolts 10 from breaking in strong winds. In this utility model, the node of the inner flange single-tube tower can withstand the wind load through the high-strength reinforcement structure, which can prevent the tower tube from collapsing due to bolt breakage in strong winds. It has high safety and is conducive to the long-term use of the inner flange single-tube tower.

[0031] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A structure for reinforcing an inner flange single-tube tower node using carbon fiber plates, comprising a lower tower pipe (1) and an upper tower pipe (2), characterized in that: The upper tower tube (2) is fixed to the top of the lower tower tube (1). The bottom outer ring of the lower tower tube (1) is fixedly fitted with a support sleeve (3). The top outer ring of the upper tower tube (2) is detachably fitted with a reinforcing sleeve (5). The top outer ring of the lower tower tube (1) is fixed with multiple arc-shaped reinforcing plates (7) arranged in a circular array. The reinforcing plates (7) are fixed to the outer ring of the upper tower tube (2). The outer sides of the multiple reinforcing plates (7) are surrounded by reinforcing cloth (4). The top of the inner ring of the support sleeve (3) is provided with multiple arc-shaped lower slots (12) arranged in a circular array. The bottom of the inner ring of the reinforcing sleeve (5) is provided with multiple arc-shaped upper slots (11) arranged in a circular array. The bottom of the reinforcing plate (7) is inserted into the lower slot (12), and the top of the reinforcing plate (7) is inserted into the upper slot (11).

2. The structure for reinforcing an inner flange single-tube tower node using carbon fiber plates according to claim 1, characterized in that: The inner ring of the top of the lower tower tube (1) is fixedly fitted with a lower flange (8), and the inner ring of the bottom of the upper tower tube (2) is fixedly fitted with an upper flange (9). The lower flange (8) and the upper flange (9) are fixedly connected by a plurality of connecting bolts (10) arranged in a circular array.

3. The structure for reinforcing an inner flange single-tube tower node using carbon fiber plates according to claim 1, characterized in that: The outer ring of the lower tower tube (1) is adapted to the outer ring of the upper tower tube (2), and the inner ring of the reinforcing sleeve (5) is adapted to the outer ring of the upper tower tube (2). The top of the reinforcing sleeve (5) is movably fitted with multiple reinforcing bolts (6) through multiple bolt holes arranged in a circular array. The reinforcing sleeve (5) is fixed to the outer ring of the upper tower tube (2) by multiple reinforcing bolts (6).

4. The structure for reinforcing an inner flange single-tube tower node using carbon fiber plates according to claim 1, characterized in that: The reinforcing cloth (4) is made of carbon fiber cloth, and the reinforcing plate (7) is made of carbon fiber plate.

5. The structure for reinforcing an inner flange single-tube tower node using carbon fiber plates according to claim 1, characterized in that: The curvature of the reinforcing plate (7) is adapted to the curvature of the outer ring of the lower tower tube (1). The reinforcing plate (7) is fixed to the outer ring of the lower tower tube (1) and the upper tower tube (2) by epoxy resin structural adhesive. The reinforcing cloth (4) is fixed to the outside of the multiple reinforcing plates (7) by epoxy resin impregnation adhesive. The reinforcing cloth (4) is fixed to the outer ring of the lower tower tube (1) and the upper tower tube (2) by epoxy resin impregnation adhesive.

6. The structure for reinforcing an inner flange single-tube tower node using carbon fiber plates according to claim 1, characterized in that: The dimensions of the lower slot (12) are adapted to the dimensions of the reinforcing plate (7), the bottom end of the reinforcing plate (7) is in contact with the inner bottom wall of the lower slot (12), the dimensions of the upper slot (11) are adapted to the dimensions of the reinforcing plate (7), and the top end of the reinforcing plate (7) is in contact with the inner top wall of the upper slot (11).

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