Steel tube tower with anti-loosening device

Abstract

The utility model provides a steel tube tower with an anti-loosening device, which belongs to the technical field of steel tube towers and comprises a concrete base, a plurality of steel tube tower tube bodies and connecting flanges, the steel tube tower tube bodies are mounted on the upper surface of the concrete base, and every two adjacent steel tube tower tube bodies are fixedly connected through the corresponding connecting flange; by arranging the connecting flange, when the steel pipe tower pipe body is connected in the vertical direction, the lower flange plate is welded to the top of the lower steel pipe tower pipe body, the upper flange plate is connected with the bottom of the outer side of the steel pipe tower pipe body in a sleeved mode and welded to the bottom of the outer side of the steel pipe tower pipe body, and then the circular groove in the upper flange plate on the upper steel pipe tower pipe body is aligned to the lower flange plate; the upper flange plate is sleeved on the lower flange plate, so that the lower flange plate is completely embedded into the circular groove, the embedded column on the lower flange plate is embedded into the upper steel tube tower tube body, and then the lower flange plate and the upper flange plate are locked and fixed through the bolt, so that the installation can be completed, the installation is simple, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe tower technology, and in particular to a steel pipe tower with an anti-loosening device. Background Technology

[0002] A steel pipe tower is a tower-shaped building structure assembled from steel pipe components. Its main components are steel pipes, and other components are lattice-type towers composed of steel pipes or shaped steel. It is a support structure for overhead transmission lines to support conductors and lightning protection wires, so that the conductors meet the distance requirements to the ground and ground objects, and can withstand the loads of the conductors, lightning protection wires, and the tower itself as well as external loads.

[0003] Existing steel pipe towers are usually composed of multiple steel pipes connected sequentially from bottom to top. The connection between two adjacent steel pipes is usually made by flange connection. After long-term use, under the action of external lateral forces, the connecting bolts at the flange connection are subjected to large shear forces, which can easily lead to loosening or even breakage of the bolts at the flange connection. This can easily lead to the risk of the steel pipes tipping over, posing a safety hazard.

[0004] For example, in the prior art, the patent with authorization announcement number CN211776314U discloses a steel pipe tower with an anti-loosening device. When the external force on one side of the upper steel pipe tower body is too large, the upper steel pipe tower body transmits the external force to the internal core column through the support rib. The upper core column transmits the external force to the side wall of the lower steel pipe tower body in sequence through the sleeve, the lower core column and the support rib, so that the lower steel pipe tower body provides a counterforce to the upper steel pipe tower body. The steel pipe tower with the anti-loosening device can effectively prevent the two flanges from loosening after long-term use.

[0005] This device achieves stability at the flange connection by connecting the upper and lower core columns to the sleeve threadedly. Since both the upper and lower core columns are fixed inside the steel pipe tower body by support ribs, the steel pipe tower needs to be rotated to perform threaded movement when connecting two steel pipe towers. The steel pipe tower is relatively heavy, which makes operation inconvenient, especially for steel pipe towers located at higher positions. Furthermore, the core columns and support ribs of this device are located inside the steel pipe tower body, which presents difficulties in manufacturing and processing. Therefore, a steel pipe tower with an anti-loosening device is designed to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to solve the problems existing in the above-mentioned background technology and to propose a steel pipe tower with an anti-loosening device.

[0007] The technical problem to be solved by this utility model is to provide a steel pipe tower with an anti-loosening device, thereby solving the problem of inconvenient installation and manufacturing of the loosening device in the existing steel pipe tower.

[0008] This utility model provides a steel pipe tower with an anti-loosening device, including a concrete base, a steel pipe tower body and a connecting flange. Multiple steel pipe tower bodies are installed on the upper surface of the concrete base, and adjacent steel pipe tower bodies are fixedly connected by the connecting flange.

[0009] The connecting flange includes a lower flange, an embedded column, an upper flange, and a circular groove. The lower flange is fixedly installed on the top of the lower steel pipe tower body. An embedded column is fixedly installed in the center of the upper surface of the lower flange. The upper flange is sleeved on the lower outer surface of the upper steel pipe tower body. A circular groove is embedded in the bottom of the upper flange.

[0010] Preferably, the diameter of the annular groove embedded column is equal to the inner diameter of the steel pipe tower body, and when the upper flange is connected to the lower flange, the embedded column is embedded in the upper steel pipe tower body.

[0011] Preferably, the diameter of the circular groove is equal to the diameter of the lower flange, and the depth of the circular groove is not less than the thickness of the lower flange. When the upper flange is connected to the lower flange, the lower flange is completely embedded in the circular groove.

[0012] Preferably, both the lower flange and the upper flange are provided with multiple bolt holes, and the upper flange and the lower flange are connected by locking bolts passing through the bolt holes.

[0013] Preferably, the concrete base includes a first internal threaded ring, a sliding groove, a concave frame, a connecting rod, an inverted concave frame, a second internal threaded ring, and an insert rod. The first internal threaded ring is integrally formed in the center of the upper surface of the concrete base. Sliding grooves are provided in four directions (left, right, front, and back) on the upper surface of the concrete base. A concave frame is slidably arranged in the sliding groove. A connecting rod is rotatably arranged on the concave frame via a pin. An inverted concave frame is rotatably arranged at the other end of the connecting rod via a pin. All four inverted concave frames are fixedly arranged on the outer surface of the second internal threaded ring. An insert rod is fixedly arranged on the side of the concave frame facing the outer side of the concrete base, and the insert rod passes through the side of the concrete base.

[0014] Preferably, the second internal threaded ring is located directly above the first internal threaded ring, and the inner diameters of the first and second internal threaded rings are the same, with the lowermost steel pipe tower body threadedly connected to the first and second internal threaded rings.

[0015] Preferably, the length of the insert rod is less than the length of the slide groove, and the insert rod can be completely retracted into the slide groove.

[0016] Preferably, the sliding groove has limit grooves on both the left and right sides, and the concave frame has limit blocks fixedly installed below the left and right side surfaces, with the limit blocks sliding within the limit grooves.

[0017] Compared with the prior art, this utility model has at least the following beneficial effects:

[0018] 1. This utility model, by setting a connecting flange, allows for vertical connection of the steel pipe tower body. The lower flange is welded to the top of the lower steel pipe tower body, and the upper flange is fitted and welded to the outer bottom of the steel pipe tower body. Then, the circular groove on the upper flange of the upper steel pipe tower body is aligned with the lower flange, and the upper flange is fitted onto the lower flange, so that the lower flange is completely embedded in the circular groove. The embedded post on the lower flange is embedded in the upper steel pipe tower body. Finally, the lower flange and upper flange are locked and fixed with bolts to complete the installation. Installation is simple and operation is convenient.

[0019] 2. When the upper steel pipe tower body is subjected to a lateral force, the embedded column generates a reaction force to counteract the lateral force on the upper steel pipe tower body because the upper steel pipe tower body is sleeved on the embedded column. At the same time, the circular groove on the upper flange of the upper steel pipe tower body is sleeved on the lower flange, and the lower flange generates a reaction force to counteract the lateral force on the upper steel pipe tower body. This ensures the stability of the flange connection, prevents the flange connection from loosening, and reduces the shear force on the locking bolts of the flange, preventing the locking bolts of the flange from breaking and ensuring safety.

[0020] 3. This utility model features a concrete base. When the concrete base is pre-buried, the second internal threaded ring is first pulled upwards. The second internal threaded ring, through a connecting rod, moves the concave frame towards the center of the concrete base, so that the insertion rod is completely housed in the groove. Then, the concrete base is pre-buried underground. Next, the second internal threaded ring is pressed downwards or struck, causing it to move downwards. Through the connecting rod, multiple concave frames move to a side away from the center of the concrete base. The concave frames move the insertion rod, so that the insertion rod is inserted into the soil around the concrete base, ensuring the stability of the concrete base pre-buried underground.

[0021] 4. When connecting the steel pipe tower body to the concrete base, the steel pipe tower body is sequentially threaded into the second internal thread ring and the first internal thread ring, thus completing the connection between the steel pipe tower body and the concrete base. The steel pipe tower body is not only directly threaded onto the first internal thread ring, but also threaded onto the second internal thread ring, increasing the connection area between the steel pipe tower body and the concrete base and increasing stability. Furthermore, the second internal thread ring is inclinedly supported by four connecting rods, achieving the effect of inclined support for the steel pipe tower body, further ensuring the stability of the connection between the steel pipe tower body and the concrete base. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model.

[0024] Figure 2 This is a three-dimensional structural breakdown diagram of the connection point of the steel pipe tower body of this utility model.

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the concrete base of this utility model.

[0026] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A.

[0027] [Figure Labels]

[0028] 1. Concrete base; 101. First internal threaded ring; 102. Slide groove; 1021. Limiting groove; 103. Concave frame; 1031. Limiting block; 104. Connecting rod; 105. Inverted concave frame; 106. Second internal threaded ring; 107. Insert rod; 2. Steel pipe tower body; 3. Connecting flange; 301. Lower flange; 302. Embedded column; 303. Upper flange; 304. Circular groove. Detailed Implementation

[0029] Example:

[0030] like Figures 1-4 As shown, an embodiment of this utility model provides a steel pipe tower with an anti-loosening device, including a concrete base 1, a steel pipe tower body 2 and a connecting flange 3. Multiple steel pipe tower bodies 2 are installed on the upper surface of the concrete base 1, and adjacent steel pipe tower bodies 2 are fixedly connected by the connecting flange 3.

[0031] The connecting flange 3 includes a lower flange 301, an embedded post 302, an upper flange 303, and a circular groove 304. The lower flange 301 is fixedly installed on the top of the lower steel pipe tower body 2. The embedded post 302 is fixedly installed in the center of the upper surface of the lower flange 301. The upper flange 303 is sleeved on the lower outer surface of the upper steel pipe tower body 2. The circular groove 304 is embedded in the bottom of the upper flange 303.

[0032] When the steel pipe tower body 2 is vertically connected via a connecting flange 3, the lower flange 301 is welded to the top of the lower steel pipe tower body 2. The upper flange 303 is then fitted and welded to the outer bottom of the steel pipe tower body 2. Next, the circular groove 304 on the upper flange 303 of the upper steel pipe tower body 2 is aligned with the lower flange 301 and fitted onto the lower flange 301, ensuring the lower flange 301 is fully embedded in the circular groove 304. The embedded post 302 on the lower flange 301 is embedded into the upper steel pipe tower body 2. Finally, the lower flange 301 and upper flange 303 are locked together with bolts to complete the installation. The installation is simple and convenient. When the steel pipe tower body 2 is subjected to lateral force, since the upper steel pipe tower body 2 is sleeved on the embedded column 302, the embedded column 302 will generate a reaction force to counteract the lateral force of the upper steel pipe tower body 2. At the same time, since the circular groove 304 on the upper flange 303 of the upper steel pipe tower body 2 is sleeved on the lower flange 301, the lower flange 301 will generate a reaction force to counteract the lateral force of the upper steel pipe tower body 2, ensuring the stability of the connection of the connecting flange 3, preventing the flange connection from loosening, and reducing the shear force on the locking bolts of the connecting flange 3, preventing the locking bolts on the connecting flange 3 from breaking, and ensuring safety.

[0033] In this embodiment, the diameter of the annular groove embedded column 302 is equal to the inner diameter of the steel pipe tower body 2, and when the upper flange 303 is connected to the lower flange 301, the embedded column 302 is embedded in the upper steel pipe tower body 2, ensuring the stability when the upper flange 303 is connected to the lower flange 301.

[0034] In this embodiment, the diameter of the circular groove 304 is equal to the diameter of the lower flange 301, and the depth of the circular groove 304 is not less than the thickness of the lower flange 301. When the upper flange 303 is connected to the lower flange 301, the lower flange 301 is completely embedded in the circular groove 304, which further ensures the stability of the connection between the upper flange 303 and the lower flange 301.

[0035] In this embodiment, both the lower flange 301 and the upper flange 303 are provided with multiple bolt holes. When the upper flange 303 is connected to the lower flange 301, the connection is made by passing a locking bolt through the bolt hole, which facilitates the connection between the upper flange 303 and the lower flange 301.

[0036] In this embodiment, the concrete base 1 includes a first internal threaded ring 101, a sliding groove 102, a concave frame 103, a connecting rod 104, an inverted concave frame 105, a second internal threaded ring 106, and an insert rod 107. The first internal threaded ring 101 is integrally formed in the center of the upper surface of the concrete base 1. Sliding grooves 102 are provided in the four directions of left, right, front, and back on the upper surface of the concrete base 1. The concave frame 103 is slidably arranged in the sliding groove 102. The connecting rod 104 is rotatably arranged on the concave frame 103 through a pin. The other end of the connecting rod 104 is rotatably arranged on the inverted concave frame 105 through a pin. The four inverted concave frames 105 are all fixedly arranged on the outer surface of the second internal threaded ring 106. An insert rod 107 is fixedly arranged on the side of the concave frame 103 facing the outside of the concrete base 1, and the insert rod 107 passes through the side of the concrete base 1.

[0037] In this embodiment, the second internal threaded ring 106 is located directly above the first internal threaded ring 101, and the inner diameters of the first internal threaded ring 101 and the second internal threaded ring 106 are the same. The bottom steel pipe tower body 2 is threadedly connected to the first internal threaded ring 101 and the second internal threaded ring 106.

[0038] In this embodiment, the length of the insertion rod 107 is less than the length of the slide groove 102, and the insertion rod 107 can be completely stored in the slide groove 102, which facilitates cement pre-embedding and underground installation.

[0039] In this embodiment, limiting grooves 1021 are provided on both the left and right sides of the slide groove 102, and limiting blocks 1031 are fixedly provided on the lower surface of both the left and right sides of the concave frame 103. The limiting blocks 1031 slide within the limiting grooves 1021 to ensure the stability of the concave frame 103 sliding within the slide groove 102.

[0040] By setting up a concrete base 1, when the concrete base 1 is pre-buried, firstly pull the second internal threaded ring 106 upward. The second internal threaded ring 106 drives the concave frame 103 to move towards the center of the concrete base 1 through the connecting rod 104, so that the insertion rod 107 is completely stored in the sliding groove 102. Then the concrete base 1 is pre-buried underground. Then, the second internal threaded ring 106 is squeezed or knocked downward. The second internal threaded ring 106 moves downward. Through the connecting rod 104, multiple concave frames 103 move to the side away from the center of the concrete base 1. The concave frames 103 drive the insertion rod 107 to move, so that the insertion rod 107 is inserted into the soil around the concrete base 1, ensuring the stability of the concrete base 1 pre-buried underground.

[0041] When connecting the steel pipe tower body 2 to the concrete base 1, the steel pipe tower body 2 is sequentially threaded into the second internal threaded ring 106 and the first internal threaded ring 101, thus completing the connection between the steel pipe tower body 2 and the concrete base 1. The steel pipe tower body 2 is not only directly threaded onto the first internal threaded ring 101, but also threaded onto the second internal threaded ring 106, increasing the connection area between the steel pipe tower body 2 and the concrete base 1, thereby increasing stability. Furthermore, the second internal threaded ring 106 is tilted and supported by four connecting rods 104, achieving the effect of tilting and supporting the steel pipe tower body 2, further ensuring the stability of the connection between the steel pipe tower body 2 and the concrete base 1.

[0042] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model, and these should also be considered within the scope of protection of this utility model. These will not affect the implementation effect of this utility model or the practicality of the patent.

Claims

1. A steel pipe tower with an anti-loosening device, characterized in that: It includes a concrete base (1), a steel pipe tower body (2) and a connecting flange (3). Multiple steel pipe tower bodies (2) are installed on the upper surface of the concrete base (1), and two adjacent steel pipe tower bodies (2) are fixedly connected by a connecting flange (3). The connecting flange (3) includes a lower flange (301), an embedded column (302), an upper flange (303), and a circular groove (304). The lower flange (301) is fixedly installed on the top of the lower steel pipe tower body (2). An embedded column (302) is fixedly installed in the center of the upper surface of the lower flange (301). The upper flange (303) is sleeved on the lower outer surface of the upper steel pipe tower body (2). A circular groove (304) is embedded in the bottom of the upper flange (303).

2. The steel pipe tower with anti-loosening device according to claim 1, characterized in that: The diameter of the embedded column (302) is equal to the inner diameter of the steel pipe tower body (2), and when the upper flange (303) is connected to the lower flange (301), the embedded column (302) is embedded in the upper steel pipe tower body (2).

3. The steel pipe tower with anti-loosening device according to claim 2, characterized in that: The diameter of the circular groove (304) is equal to the diameter of the lower flange (301), and the depth of the circular groove (304) is not less than the thickness of the lower flange (301). When the upper flange (303) is connected to the lower flange (301), the lower flange (301) is completely embedded in the circular groove (304).

4. The steel pipe tower with anti-loosening device according to claim 3, characterized in that: Both the lower flange (301) and the upper flange (303) are provided with multiple bolt holes, and the upper flange (303) and the lower flange (301) are connected by locking bolts passing through the bolt holes.

5. The steel pipe tower with anti-loosening device according to claim 1, characterized in that: The concrete base (1) includes a first internal threaded ring (101), a sliding groove (102), a concave frame (103), a connecting rod (104), an inverted concave frame (105), a second internal threaded ring (106), and a plug rod (107). The first internal threaded ring (101) is integrally formed in the center of the upper surface of the concrete base (1). Sliding grooves (102) are provided in the four directions of left, right, front, and back on the upper surface of the concrete base (1). A concave frame is slidably arranged in the sliding groove (102). The frame (103) has a connecting rod (104) rotatably mounted on the concave frame (103) via a pin. The other end of the connecting rod (104) is rotatably mounted on an inverted concave frame (105) via a pin. All four inverted concave frames (105) are fixedly mounted on the outer surface of the second internal threaded ring (106). The side of the concave frame (103) facing the outside of the concrete base (1) is fixedly mounted with a plug (107), and the plug (107) passes through the side of the concrete base (1).

6. The steel pipe tower with anti-loosening device according to claim 5, characterized in that: The second internal threaded ring (106) is located directly above the first internal threaded ring (101), and the inner diameters of the first internal threaded ring (101) and the second internal threaded ring (106) are the same. The bottom steel pipe tower body (2) is threadedly connected to the first internal threaded ring (101) and the second internal threaded ring (106).

7. The steel pipe tower with anti-loosening device according to claim 6, characterized in that: The length of the insert (107) is less than the length of the slide (102), and the insert (107) can be completely housed in the slide (102).

8. The steel pipe tower with anti-loosening device according to claim 7, characterized in that: The sliding groove (102) has a limiting groove (1021) on both the left and right sides inside. The concave frame (103) has a limiting block (1031) fixedly installed below the left and right side surfaces. The limiting block (1031) slides in the limiting groove (1021).

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