Plug-in type inner flange connection steel tube tower

Abstract

The utility model discloses a plug-in type inner flange connection steel tube tower which comprises a steel tube, first flanges are fixedly connected to the middle and the lower end of the steel tube, bolt holes are formed in the flanges and distributed in an annular array mode, and plug-in tubes are fixedly connected to the bottoms of the first flanges and are in through connection with the steel tube. Clamping column holes are formed in the insertion pipe and distributed in the circumferential direction, a flange gasket is arranged at the bottom of the first flange, a second flange is arranged at the bottom of the flange gasket, the flange gasket is located between the first flange and the second flange, and a plurality of first bolts are fixedly connected to the top face of the second flange; and the first bolts correspond to the bolt holes. The fixing device is provided with the insertion pipe, the clamping column holes, the clamping columns and the rectangular lugs, the fixing device can be inserted into a pipeline through the insertion pipe, the clamping columns are inserted into the clamping column holes and initially fixed through the semi-circle arc-shaped blocks and the clamping columns, then the rectangular lugs are fixed through the second bolts and the second nuts, and therefore the steel pipe tower can be more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of flange connection, in particular to an inserted inner flange connection steel pipe tower. Background Art

[0002] With the rapid development of economy, the growth of electric power economy is particularly rapid, and electric power equipment is also changing with each passing day. Among them, the most important is the iron tower used for transmission lines, which are divided into five types according to their shapes: upper-shaped, dry-shaped, barrel-shaped, wine glass-shaped and cat-head-shaped. As a lattice tower, steel pipe tower has a simple structure and small components. The wind load acting on it is lower than that of the iron tower. In addition, the steel pipe has good flexibility, a small rod diameter, and occupies less space. It is widely used in cities and scenic spots. Nowadays, steel pipe towers can be seen everywhere.

[0003] Steel pipe towers have different shapes and their connection methods are even more varied, but the more commonly used ones are flange connection and welding. Compared with welding, flange connection has higher strength, higher safety, and is easy to repair and replace. Therefore, flange connection is widely used now. However, the connection method using only flanges is too simple, and a combination of multiple fixing methods is the best method. Utility Model Content

[0004] The utility model aims to provide an insert-type inner flange connected steel pipe tower, which can be inserted into the pipeline by inserting an insert pipe, inserting the clamping column into the clamping column hole with a half-circle arc block and a clamping column to achieve initial fixation, and then fixing the rectangular ear with a second bolt and a second nut, so that the insert pipe and the steel pipe can be fixed together, making the steel pipe tower more stable.

[0005] To achieve the above-mentioned purpose, an insert-type inner flange connected steel pipe tower is provided, comprising a steel pipe, the middle part and the lower end of the steel pipe are fixedly connected with a first flange, the flange is provided with bolt holes, and the bolt holes are distributed in a ring array, the bottom of the first flange is fixedly connected with an insert pipe, and is through-connected with the steel pipe, the insert pipe is provided with column holes, and the column holes are distributed in a circumferential direction, the bottom of the first flange is provided with a flange gasket, the bottom of the flange gasket is provided with a second flange, the flange gasket is located between the first flange and the second flange, and the top surface of the second flange is fixedly connected with a plurality of first bolts, and the first bolts are arranged corresponding to the bolt holes;

[0006] A half-circle arc block is provided below the second flange, and the half-circle arc block is located outside the steel pipe. A plurality of clamping columns are provided in the middle of the inner side of the half-circle arc block, and the clamping columns are plugged into and matched with the clamping column holes.

[0007] According to the inserted inner flange connected steel pipe tower, both ends of the semi-circle arc block are fixedly connected with rectangular ears.

[0008] According to the inserted inner flange connected steel pipe tower, the four corners of the front side of the rectangular ear are each provided with a second bolt, and the second bolt is externally threadedly connected with a second nut.

[0009] According to the inserted inner flange connected steel pipe tower, both sides of the upper end of the steel pipe are fixedly connected with cross arms.

[0010] According to the inserted inner flange connected steel pipe tower, the bottom end of the steel pipe is fixedly connected to a steel pipe tower base.

[0011] According to the inserted internal flange connected steel pipe tower, the first bolt is externally threadedly connected with a first nut.

[0012] According to the inserted inner flange connected steel pipe tower, the bottom of the cross arm is fixedly connected to a plurality of connecting columns, and the connecting columns are evenly distributed laterally.

[0013] Beneficial effects:

[0014] 1. The utility model is provided with an insertion tube, a clamping column hole, a half-circle arc block, a clamping column, and a rectangular ear. The insertion tube can be inserted into the pipeline, and the clamping column is inserted into the clamping column hole with a half-circle arc block and a clamping column to achieve initial fixation. Then the rectangular ear is fixed with a second bolt and a second nut. The insertion tube and the steel pipe can be fixed together to make the steel pipe tower more stable.

[0015] 2. The utility model is provided with a first flange, a second flange, a flange gasket, a first bolt, and a first nut. The first flange and the second flange can be fixed by the first bolt and the first nut. A flange gasket is arranged between the first flange and the second flange to fix the steel pipes at the upper and lower ends of the flange.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is a structural diagram of an inserted inner flange connected steel pipe tower of the utility model;

[0019] Figure 2 This is an enlarged view of point A of an inserted inner flange connected steel pipe tower of the utility model;

[0020] Figure 3 This is the internal structure diagram of the A position of an inserted inner flange connected steel pipe tower of the utility model;

[0021] Figure 4The utility model is an internal structure diagram of a half-circle arc block of an inserted inner flange connected to a steel pipe tower.

[0022] Legend:

[0023] 1. Steel pipe; 2. Cross arm; 3. Connecting column; 4. Steel pipe tower base; 5. First flange; 6. Second flange; 7. Semi-circle arc block; 8. First bolt; 9. First nut; 10. Flange gasket; 11. Bolt hole; 12. Insert tube; 13. Column hole; 14. Rectangular ear; 15. Second bolt; 16. Second nut; 17. Column. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 The utility model embodiment is an insert-type inner flange connected steel pipe tower, which includes a steel pipe 1. The steel pipe 1 belongs to the main body of the steel pipe tower and is used to receive various components. The middle and lower ends of the steel pipe 1 are fixedly connected with a first flange 5. The first flange 5 is used to connect the second flange so that the multiple sections of the steel pipe 1 form a whole. Bolt holes 11 are arranged inside the flange, and the bolt holes 11 are distributed in a ring array. The bolt holes 11 are used to connect the first bolts 8. An insert pipe 12 is fixedly connected to the bottom of the first flange 5 and is connected to the steel pipe 1 through. The insert pipe 12 is used to perform secondary fixation for the steel pipe 1 together with other components. A clamping column hole 13 is arranged inside the insert pipe 12, and the clamping column hole 13 is distributed circumferentially. The clamping column hole 13 is used to socket the clamping column 17. A flange gasket 10 is arranged at the bottom of the first flange 5. The flange gasket 10 It is used for sealing. A second flange 6 is provided at the bottom of the flange gasket 10. The second flange 6 is used to be connected to the first flange to form a whole. The flange gasket 10 is located between the first flange 5 and the second flange 6. The flange gasket 10 is used to seal the gap between the first flange 5 and the second flange 6. A plurality of first bolts 8 are fixedly connected to the top surface of the second flange 6, and the first bolts 8 are correspondingly arranged with the bolt holes 11. The first bolts 8 are used to cooperate with the first nut 9. A semi-circle arc block 7 is provided below the second flange 6, and the semi-circle arc block 7 is located outside the steel pipe 1. The semi-circle arc block 7 is used to set a clamping column 17. A plurality of clamping columns 17 are provided in the middle of the inner side of the semi-circle arc block 7, and the clamping columns 17 are plugged and matched with the clamping column holes 13. The clamping columns 17 and the clamping column holes 13 are used for secondary fixing of the steel pipe 1.

[0026] Rectangular ears 14 are fixedly connected at both ends of the half-circle arc block 7. The rectangular ears 14 are used to form the two half-circle arc blocks 7 into a whole. Second bolts 15 are provided at the four corners of the front of the rectangular ear 14. The second bolts 15 are used to cooperate with the second nuts 16. The second bolts 15 are externally threadedly connected with the second nuts 16. The second nuts 16 are used to cooperate with the second bolts 15 to fix the rectangular ears 14. Cross arms 2 are fixedly connected on both sides of the upper end of the steel pipe 1. The cross arms 2 are used to set various facilities on the steel pipe tower. The bottom end of the steel pipe 1 is fixedly connected to a steel pipe tower base 4. The steel pipe tower base is used to fix the steel pipe tower on the ground. The first bolt 8 is externally threadedly connected with the first nut 9. The first bolt 8 and the first nut 9 cooperate with each other to connect the flange. The bottom of the cross arm 2 is fixedly connected to a number of connecting poles 3, and the connecting poles 3 are evenly distributed laterally. The connecting poles 3 are used to fix the passing wires on the steel pipe tower.

[0027] Working principle: During installation, the second flange 6 is fixedly installed on the steel pipe tower base 4, the flange gasket 10 is placed on the second flange 6, and then the first flange 5 and the steel pipe 1 are placed together, and the insertion tube 12 is inserted into the steel pipe 1 of the second flange 6, and the holes are aligned, and then the half-circle arc block 7 is installed, and the clamping column 17 inside the half-circle arc block 7 is inserted into the reserved clamping column hole 13, and then the rectangular ears 14 on both sides are aligned, and fixedly connected by the second bolt 15 and the second nut 16, and finally the first flange 5 and the second flange 6 can be fixed by the first bolt 8 and the first nut 9. The installation method of the middle flange of the steel pipe 1 is the same, and finally the cross arm 2 and the connecting column 3 are installed, and the steel pipe tower is installed.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An inserted internal flange connected steel pipe tower, comprising a steel pipe (1), characterized in that: The middle and lower ends of the steel pipe (1) are fixedly connected to a first flange (5), the flange is provided with bolt holes (11), and the bolt holes (11) are distributed in a ring array, the bottom of the first flange (5) is fixedly connected to an insertion tube (12), and is through-connected to the steel pipe (1), the insertion tube (12) is provided with a column hole (13), and the column hole (13) is distributed in a circumferential direction, the bottom of the first flange (5) is provided with a flange gasket (10), the bottom of the flange gasket (10) is provided with a second flange (6), the flange gasket (10) is located between the first flange (5) and the second flange (6), the top surface of the second flange (6) is fixedly connected to a plurality of first bolts (8), and the first bolts (8) and the bolt holes (11) are arranged correspondingly; A half-circle arc block (7) is provided below the second flange (6), and the half-circle arc block (7) is located outside the steel pipe (1). A plurality of clamping columns (17) are provided in the middle of the inner side of the half-circle arc block (7), and the clamping columns (17) are plug-fitted into the clamping column holes (13).

2. The inserted inner flange connected steel pipe tower according to claim 1, characterized in that: Rectangular ears (14) are fixedly connected to both ends of the semicircular arc block (7).

3. The inserted inner flange connected steel pipe tower according to claim 2, characterized in that: The four front corners of the rectangular ear (14) are each provided with a second bolt (15), and the second bolt (15) is externally threadedly connected with a second nut (16).

4. The inserted inner flange connected steel pipe tower according to claim 1, characterized in that: Both sides of the upper end of the steel pipe (1) are fixedly connected with cross arms (2).

5. The inserted inner flange connected steel pipe tower according to claim 1, characterized in that: The bottom end of the steel pipe (1) is fixedly connected to a steel pipe tower base (4).

6. The inserted inner flange connected steel pipe tower according to claim 1, characterized in that: The first bolt (8) is externally threadedly connected with a first nut (9).

7. The inserted inner flange connected steel pipe tower according to claim 4, characterized in that: The bottom of the cross arm (2) is fixedly connected to a plurality of connection poles (3), and the connection poles (3) are evenly distributed in the transverse direction.

Images