CN114809773A - Large-diameter steel pipe insulation device and medium wave tower comprising same - Google Patents

Abstract

The invention discloses a large-diameter steel pipe insulation device in the technical field of self-supporting mid-wave towers, comprising an insulator upper section, an insulator combination section, and an insulator bottom section. flange; the insulator bottom section includes the upper flange of the insulator bottom section, the body of the insulator bottom section, and the lower flange of the insulator bottom section; the insulator combined section includes a number of insulators, polyester ribs, and top tower bolts, and the top of the insulator It is installed on the lower flange of the upper section of the insulator, the bottom end of the insulator is installed on the upper flange of the bottom section of the insulator, and the lower flange of the upper section of the insulator and the upper flange of the bottom section of the insulator are fixedly connected by several polyester bars and top tower bolts. The invention also discloses a mid-wave tower containing a large-diameter steel pipe insulation device. Beneficial effect: The large-diameter steel pipe insulation device suitable for the middle-wave tower of the large-diameter circular tower is innovatively developed, which greatly reduces the maintenance cost.

Description

Large-diameter steel pipe insulation device and mid-wave tower containing large-diameter steel pipe insulation device

technical field

The invention belongs to the technical field of self-supporting mid-wave towers, and particularly relates to a large-diameter steel pipe insulation device and a mid-wave tower containing the large-diameter steel pipe insulation device.

Background technique

In the field of self-supporting mid-wave towers, due to the need to insulate the tower body from the foundation, an insulator support is used at the bottom of the mid-wave tower column to meet the insulation requirements. This kind of insulator support should not only bear the pulling force and pressure load of the upper structure of the tower body, but also may bear the bending moment caused by the lateral load.

Patent name A multi-directional force high-strength polyester insulating column foot, a utility model patent with the patent number CN201520744597.0 discloses the following technical features: including a concrete column pier foundation, an insulating column foot and a water retaining cover, an insulating column foot Including upper column shoe, lower column shoe, cylindrical high-strength polyester insulator, prestressed high-strength polyester rib, special lower pressure joint for high-strength polyester rib, special upper pressure joint for high-strength polyester rib, pressure plate, insulator bottom plate, temporary Support screw, lower column shoe stiffening plate, steel base plate, upper column shoe stiffening plate, annular stiffening plate and discharger. The high-strength polyester bar with extremely high strength is used to bear the tension of the tower column, and the high-strength polyester bar has good insulating properties to ensure the insulation effect at the bottom of the tower; It is always in a state of compressive stress, changing the tensile brittleness characteristics of high-strength insulators and making them ductile structures.

The traditional small-diameter steel pipe mid-wave tower insulating support is made of high-frequency insulating ceramics. If it is changed to a large-diameter steel pipe mid-wave tower with a diameter of 0.8-3 meters, the production cost of large-diameter high-strength insulators is high, uneconomical, difficult to install and disassemble, and expensive high.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention proposes a large-diameter steel pipe insulation device and a mid-wave tower containing the large-diameter steel pipe insulation device.

A large-diameter steel pipe insulation device comprises an insulator upper section, an insulator combination section and an insulator bottom section, the insulator upper section includes an insulator upper section upper flange, an insulator upper section body, and an insulator upper section lower flange, the insulator upper section upper flange is provided with There are bolt holes one, the lower flange of the upper section of the insulator is provided with a number of polyester rib holes and top tower bolt holes; the bottom section of the insulator includes the upper flange of the insulator bottom section, the insulator bottom section body, and the insulator bottom section. The upper flange of the bottom section of the insulator is provided with polyester rib holes and top tower bolt holes, and the lower flange of the bottom section of the insulator is provided with two bolt holes; the insulator assembly section includes several insulators, polyester Ribs and top tower bolts, the top of the insulator is mounted on the lower flange of the upper section of the insulator, the bottom end of the insulator is mounted on the upper flange of the bottom section of the insulator, the lower flange of the upper section of the insulator and the upper flange of the bottom section of the insulator pass through a number of joints. Ester bars and top tower bolts are fixedly connected.

Further, the diameters of the lower flange of the upper section of the insulator and the upper flange of the bottom section of the insulator are 0.8-3 meters.

Further, the top tower bolt includes a top tower screw, a top tower screw nut, and a top tower screw gasket, and the top tower screw penetrates the top tower screw nut and the top tower screw gasket to connect the lower flange of the upper section of the insulator and the bottom section of the insulator. The upper flanges are fastened together.

Further, a rain cover device is installed on the lower flange of the upper section of the insulator, and the insulator assembly section is located inside the rain cover device.

Further, the diameters of the lower flange of the upper section of the insulator and the upper flange of the bottom section of the insulator are equal.

Further, the top of the insulator is an upper PTFE ring plate, and the bottom of the insulator is a lower PTFE ring plate.

Further, the outer diameter of the insulator is 300-500 mm, the inner diameter of the insulator is 100-200 mm, and the height of the insulator is 300-500 mm.

Further, the number of the insulators is 4-12.

A mid-wave tower containing a large-diameter steel pipe insulation device, further comprising a tower main column, a bolt 1, a foundation column head, an embedded part, a tower main column flange, a foundation anchor bolt, a discharge ball, a discharge ball vertical rod and a discharge ball horizontal rod rod, the tower main column flange at the bottom end of the main column of the tower is fixed to the upper flange of the upper section of the insulator by bolts, the lower flange of the bottom section of the insulator is fixed to the head of the foundation column by the foundation anchor bolt, and the embedded part is buried in the foundation The inside of the column head is connected with the foundation anchor bolt, the embedded part is connected with the main column of the tower through the vertical rod of the discharge ball and the horizontal rod of the discharge ball, and the discharge ball is arranged on the horizontal rod of the discharge ball; The diameter is 0.8-3 meters.

The beneficial effects obtained by the invention are as follows: the large-diameter cylindrical high-strength insulating porcelain is decomposed into a plurality of small-diameter cylindrical high-strength insulating porcelains as compression components, the high-strength polyester bars are used as tensile components, and the high-strength poly The ester rib exerts a certain pre-tension force, thereby improving the lateral stiffness of the entire insulating device, making it not only easy to withstand compression, but also easy to resist bending and tension, improving the multi-directional force performance of the entire insulating device and improving its toughness.

The invention changes the traditional design of multiple independent insulators, innovatively develops a large-diameter steel pipe insulation device suitable for large-diameter circular towers, and uses large flanges to gather multiple insulators. The medium and large-diameter steel pipe mid-wave tower insulation device of the present invention uses a plurality of small-diameter cylindrical high-strength insulating ceramic bodies to be installed on the insulating base of the large-diameter steel pipe mid-wave tower, so that the installation is simple and feasible, the later maintenance and replacement are easy, and the maintenance is greatly reduced. cost.

Description of drawings

Fig. 1 is the vertical sectional view of large-diameter steel pipe insulation device A;

Figure 2 is a partial enlarged view of the main column flange of the tower;

Figure 3 is a partial enlarged view of the lower flange of the upper section of the insulator and the upper flange of the bottom section of the insulator;

Fig. 4 is a partial enlarged view of the insulator combination C-C;

Figure 5 is a partial enlarged view of the lower flange of the bottom section of the insulator;

Figure 6 is a partial enlarged view of the rain cover device;

7 is a schematic structural diagram of a mid-wave tower containing a large-diameter steel pipe insulation device A;

Fig. 8 is a partial enlarged view of polyester rib;

Figure 9 is a partial enlarged view of the top tower bolt;

Figure 10 is a partial enlarged view of the insulator;

The reference numbers in the figure are:

1 tower main column flange, 2 upper flange of insulator, 3 bolt 1, 4 discharge ball, 5 discharge ball horizontal rod, 6 discharge ball vertical rod, 7 insulator, 8 polyester rib, 9 pin, 10 pressed end, 11 top tower screw, 12 top tower screw nut, 13 top tower screw gasket, 14 insulator upper section lower flange, 15 insulator bottom section upper flange, 16 rain cover device, 17 insulator bottom section lower flange, 18 foundation column head , 19 foundation anchor bolts, 20 embedded parts, 21 main column of tower, 22 upper section of insulator, 23 bottom section of insulator, 24 edge milling, 25 thread, 26 polyester rib hole, 27 top tower bolt hole, 28 bolt hole one, 29 bolt holes two, 30 top tower bolts, 31 upper PTFE ring plate, 32 lower PTFE ring plate.

Detailed ways

Example 1

As shown in Figure 1-10, a large-diameter steel pipe insulation device includes an insulator upper section 22, an insulator assembly section, and an insulator bottom section 23. The insulator upper section 22 includes an insulator upper section upper flange 2, an insulator upper section body, and an insulator upper section lower flange 14. A number of bolt holes 28 are provided on the upper flange 2 of the upper section of the insulator, and a number of polyester rib holes 26 and a number of top tower bolt holes 27 are provided on the lower flange 14 of the upper section of the insulator; the insulator The bottom section 23 includes the upper flange 15 of the bottom section of the insulator, the body of the bottom section of the insulator, and the lower flange 17 of the bottom section of the insulator. The upper flange 15 of the bottom section of the insulator is provided with polyester rib holes 26 and top tower bolt holes 27, so The lower flange 17 of the bottom section of the insulator is provided with bolt holes 29; the insulator assembly section includes several insulators 7, polyester bars 8, and top tower bolts 30, and the top of the several insulators 7 is installed under the upper section of an insulator. Flange 14, the bottom ends of the plurality of insulators 7 are installed on the upper flange 15 of the bottom section of an insulator, the lower flange 14 of the upper section of the insulator and the upper flange 15 of the bottom section of the insulator pass through a number of polyester ribs 8, top The tower bolts 30 are fixedly connected; the diameter of the lower flange 14 of the upper section of the insulator and the upper flange 15 of the bottom section of the insulator is 2 meters.

The top tower bolt 30 includes a top tower screw 11, a top tower screw nut 12, and a top tower screw gasket 13. The top tower screw 11 penetrates the top tower screw nut 12 and the top tower screw gasket 13 to connect the upper section of the insulator to the lower flange. 14 and the upper flange 15 of the bottom section of the insulator are fixed together.

A rain cover device 16 is installed on the lower flange 14 of the upper section of the insulator, and the insulator assembly section is located inside the rain cover device 16 . The diameters of the lower flange 14 of the upper section of the insulator and the upper flange 15 of the lower section of the insulator are equal. The top of the insulator 7 is the upper PTFE ring plate 31 , and the bottom of the insulator 7 is the lower PTFE ring plate 32 . The outer diameter of the insulator 7 is 400 mm, the inner diameter of the insulator 7 is 150 mm, and the height of the insulator 7 is 400 mm. The number of the insulators 7 is eight.

A medium wave tower containing a large-diameter steel pipe insulation device, further comprising a tower main column 21, a bolt 1 3, a foundation column head 18, an embedded part 20, a tower main column flange 1, a foundation anchor bolt 19, a discharge ball 4, a discharge The ball vertical rod 6 and the discharge ball horizontal rod 5, the tower main column flange 1 at the bottom end of the tower main column 21 is fixed to the upper flange 2 of the upper section of the insulator by bolts 1 3, and the lower flange 17 of the bottom section of the insulator passes through the foundation anchor. The bolt 19 is fixed on the foundation stud 18, the embedded part 20 is embedded in the foundation stud 18 and connected with the foundation anchor bolt 19, the embedded part 20 is connected to the main column of the tower through the discharge ball vertical rod 6 and the discharge ball horizontal rod 5 21 connection, the discharge ball 4 is provided on the horizontal rod 5 of the discharge ball; the diameter of the flange 1 of the main column of the tower is 2 meters.

Example 2

The diameter of the lower flange 14 of the upper section of the insulator and the upper flange 15 of the lower section of the insulator is 3 meters.

The outer diameter of the insulator 7 is 500 mm, the inner diameter of the insulator 7 is 200 mm, and the height of the insulator 7 is 500 mm. The number of the insulators 7 is 12. The diameter of the main column flange 1 of the tower is 3 meters.

The rest of the structure is the same as that of Example 1.

Example 3

The diameter of the lower flange 14 of the upper section of the insulator and the upper flange 15 of the lower section of the insulator is 0.8 meters.

The outer diameter of the insulator 7 is 300 mm, the inner diameter of the insulator 7 is 100 mm, and the height of the insulator 7 is 300 mm. The number of the insulators 7 is four. The diameter of the main column flange 1 of the tower is 0.8 meters.

The rest of the structure is the same as that of Example 1.

Claims (9)

1. A large-diameter steel pipe insulation device, characterized in that it comprises an insulator upper section (22), an insulator assembly section, and an insulator bottom section (23), and the insulator upper section (22) includes an insulator upper section upper flange (2), an insulator The body of the upper section and the lower flange (14) of the upper section of the insulator, the upper flange (2) of the upper section of the insulator is provided with a bolt hole one (28), and the lower flange (14) of the upper section of the insulator is provided with a number of polyester ribs The hole (26) and the top tower bolt hole (27); the insulator bottom section (23) includes the insulator bottom section upper flange (15), the insulator bottom section body, the insulator bottom section lower flange (17), the insulator bottom section Polyester rib holes (26) and top tower bolt holes (27) are arranged on the upper flange (15) of the bottom section, and two bolt holes (29) are arranged on the lower flange (17) of the bottom section of the insulator; The insulator assembly section includes a plurality of insulators (7), polyester ribs (8), and top tower bolts (30). The end is installed on the upper flange (15) of the bottom section of the insulator, and the lower flange (14) of the upper section of the insulator and the upper flange (15) of the bottom section of the insulator are fixed by several polyester ribs (8) and top tower bolts (30). connect. 2 . The large-diameter steel pipe insulation device according to claim 1 , wherein the diameter of the lower flange ( 14 ) of the upper section of the insulator and the upper flange ( 15 ) of the bottom section of the insulator is 0.8-3 meters. 3 . 3. The large-diameter steel pipe insulation device according to claim 1, wherein the top tower bolt (30) comprises a top tower screw (11), a top tower screw nut (12), and a top tower screw gasket (13), the top tower screw (11) penetrates the top tower screw nut (12) and the top tower screw gasket (13) to fix the lower flange (14) of the upper section of the insulator and the upper flange (15) of the bottom section of the insulator on Together. 4. A large-diameter steel pipe insulation device according to claim 1, characterized in that: a rainproof cover device (16) is installed on the lower flange (14) of the upper section of the insulator, and the insulator assembly section is located in the rainproof cover device (16). Inside the hood device (16). 5 . The large-diameter steel pipe insulation device according to claim 1 , wherein the diameter of the lower flange ( 14 ) of the upper section of the insulator and the upper flange ( 15 ) of the bottom section of the insulator are equal. 6 . 6. A large-diameter steel pipe insulation device according to claim 1, characterized in that: the top of the insulator (7) is an upper PTFE ring plate (31), and the bottom of the insulator (7) is Lower Teflon ring plate (32). 7. A large-diameter steel pipe insulation device according to claim 1, characterized in that: the outer diameter of the insulator (7) is 300-500 mm, and the inner diameter of the insulator (7) is 100-200 mm, The height of the insulator (7) is 300-500 mm. 8 . The large-diameter steel pipe insulation device according to claim 1 , wherein the number of the insulators ( 7 ) is 4-12. 9 . 9. A mid-wave tower containing the large-diameter steel pipe insulation device according to any one of claims 1-8, characterized in that it further comprises a tower main column (21), a bolt (3), a foundation column head (18), a pre- Embedded parts (20), tower main column flange (1), foundation anchor bolts (19), discharge ball (4), discharge ball vertical rod (6) and discharge ball horizontal rod (5), the tower main column ( 21) The tower main column flange (1) at the bottom end is fixed to the upper flange (2) of the upper section of the insulator through bolt one (3), and the lower flange (17) of the bottom section of the insulator is fixed to the foundation through foundation anchor bolts (19). A stud (18), the embedded part (20) is embedded inside the foundation stud (18) and connected with the foundation anchor bolt (19), and the embedded part (20) passes through the discharge ball vertical rod (6) and the discharge ball The horizontal rod (5) is connected with the main column (21) of the tower, and the discharge ball (4) is arranged on the horizontal rod (5) of the discharge ball; the diameter of the flange (1) of the main column of the tower is 0.8-3 meters.

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