CN216973474U - Convenient adjusting device that subsides of transmission line iron tower basis - Google Patents

Abstract

The utility model discloses a convenient adjusting device for foundation settlement of a power transmission line iron tower, which solves the problem of how to conveniently adjust anchor feet of the iron tower with large settlement. The tower comprises an iron tower foundation king post (1) and a tower foot plate (3), wherein tower legs (2) are fixedly arranged on the tower foot plate (3), and a lower end fixing support (4) and an upper end lifting support (5) are arranged between the tower foot plate (3) and the iron tower foundation king post (1); a bottom square plate (6) of the lower end fixed support (4) is fixedly connected to the top end face of the iron tower foundation main column (1) through a fixed seat connecting bolt (15), and a top square plate (8) of the upper end lifting support (5) is fixedly connected with a tower foot plate (3) through an upper lifting support connecting bolt (16); the lower end fixed support (4) is matched with the upper end lifting support in an inserting way to realize the lifting of the two base bodies; the utility model has simple structure and low cost, and is convenient for on-site real-time convenient adjustment of the settled iron tower foundation.

Description

Convenient adjusting device that subsides of transmission line iron tower basis

Technical Field

The utility model relates to a power transmission line iron tower foundation, in particular to a device for adjusting the power transmission line iron tower foundation when the power transmission line iron tower foundation is subjected to large-amplitude uneven settlement.

Background

In recent years, the subsidence of the ground surface is caused by the transitional exploitation of underground mineral products, an electric transmission line iron tower is generally arranged on a basic main column through tower foot plates on four tower legs, foundation bolts are pre-embedded in the basic main column, and the tower foot plates are sleeved on the foundation bolts; the concentrated load of the iron tower foundation on the ground is large, if the power transmission iron tower is arranged in a mining influence area, the uneven settlement of the power transmission iron tower foundation is easy to occur, if the uneven settlement occurs on the four tower foot foundations, the stress system of the iron tower can be greatly changed, and the iron tower is directly inclined and deformed, even the serious consequence of tower collapse and line breakage occurs; therefore, when the foundation of the power transmission line iron tower in the mining affected area is settled, the foundation needs to be adjusted and fixed in time; at present, the foundation settlement adjusting method for the power transmission iron tower mainly comprises the following steps: the hydraulic adjusting device and the special tower foot plate are preset, the adjusting method of the hydraulic adjusting device is high in early investment cost, the device needs to be buried in a large area, special personnel are needed to maintain during operation, the adjusting range of the device is limited, and the device is not suitable for occasions with large settling amplitude; the specially-made tower foot plate is adjusted into a disposable adjusting device, and the adjusting range is limited.

Disclosure of Invention

The utility model provides a convenient and fast adjusting device for the settlement of an iron tower foundation of a power transmission line, and solves the technical problem of how to conveniently adjust a large-settlement iron tower foundation.

The utility model solves the technical problems by the following technical scheme:

a convenient and fast power transmission line iron tower foundation settlement adjusting device comprises an iron tower foundation main column and a tower foot plate, wherein tower legs are fixedly arranged on the tower foot plate, and a lower end fixing support and an upper end lifting support are arranged between the tower foot plate and the iron tower foundation main column; the bottom square plate of the lower end fixed support is fixedly connected to the top end face of the iron tower foundation main column through a fixed seat connecting bolt, and the top square plate of the upper end lifting support is fixedly connected with the tower foot plate through an ascending and descending support connecting bolt; a cross-shaped crossed vertical plate is fixedly arranged on the square plate at the bottom end, and two rows of bolt holes are arranged on four vertical surfaces of the cross-shaped crossed vertical plate in a staggered manner at equal intervals along the vertical direction; a left rear L-shaped vertical plate and a right front L-shaped vertical plate are fixedly arranged on the lower bottom surface of the top square plate, and two rows of bolt holes are arranged on two vertical surfaces of the left rear L-shaped vertical plate and the right front L-shaped vertical plate in a staggered manner at equal intervals along the vertical direction; the left rear L-shaped vertical plate and the right front L-shaped vertical plate are spliced and matched with the crossed vertical plate, and the upper end lifting support can be lifted or lowered relative to the lower end fixed support; two rear vertical plate cross-connecting bolts and two left vertical plate cross-connecting bolts are respectively arranged between the two splicing matching surfaces of the left rear L-shaped vertical plate and the cross-shaped cross vertical plate; and two front vertical plate cross-connecting bolts and two right vertical plate cross-connecting bolts are respectively arranged between the two splicing matching surfaces of the right front L-shaped vertical plate and the cross-shaped cross vertical plate.

On the same cross section, the screw rods and the screw caps of the two rear vertical plates are connected with the connecting bolts in a penetrating way, the screw rods and the screw caps of the two left vertical plates are connected with the connecting bolts in a penetrating way, the screw heads and the screw tails of the two front vertical plates are connected with the connecting bolts in a penetrating way, and the screw heads and the screw tails of the two right vertical plates are connected with the connecting bolts in a penetrating way, and are sequentially arranged along the anticlockwise direction.

The utility model has simple structure and low cost, is convenient for conveniently and rapidly adjusting the settled iron tower foundation on site in real time, is particularly suitable for being used when a large-scale settlement phenomenon occurs, saves the engineering investment, ensures the safe operation of the transmission line and has better safety and economy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the lower end fixing support 4 and the upper end lifting support 5 of the present invention after being inserted together;

FIG. 3 is a sectional view taken along line A-A in FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a sectional view taken along line C-C in fig. 2.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings:

a convenient and fast foundation settlement adjusting device for a power transmission line iron tower comprises an iron tower foundation main column 1 and a tower foot plate 3, tower legs 2 are fixedly arranged on the tower foot plate 3, and a lower end fixing support 4 and an upper end lifting support 5 are arranged between the tower foot plate 3 and the iron tower foundation main column 1; a bottom square plate 6 of the lower end fixed support 4 is fixedly connected to the top end face of the iron tower foundation main column 1 through a fixed seat connecting bolt 15, and a top square plate 8 of the upper end lifting support 5 is fixedly connected with the tower foot plate 3 through an upper lifting support connecting bolt 16; a cross-shaped crossed vertical plate 7 is fixedly arranged on the bottom square plate 6, and bolt through holes are uniformly arranged on four vertical faces of the cross-shaped crossed vertical plate 7 at intervals along the vertical direction; a left rear L-shaped vertical plate 9 and a right front L-shaped vertical plate 10 are fixedly arranged on the lower bottom surface of the top square plate 8, and bolt through holes are arranged on two vertical surfaces of the left rear L-shaped vertical plate 9 and two vertical surfaces of the right front L-shaped vertical plate 10 at equal intervals along the vertical direction; the left rear L-shaped vertical plate 9 and the right front L-shaped vertical plate 10 are spliced and matched with the crossed vertical plate 7, and the upper end lifting support 5 can be lifted or lowered relative to the lower end fixed support 4; two rear vertical plate cross-connecting bolts 11 and two left vertical plate cross-connecting bolts 12 are respectively arranged between the two splicing matching surfaces of the left rear L-shaped vertical plate 9 and the cross-shaped cross vertical plate 7; two front vertical plate cross-connecting bolts 13 and two right vertical plate cross-connecting bolts 14 are respectively arranged between the two splicing matching surfaces of the right front L-shaped vertical plate 10 and the cross-shaped cross vertical plate 7; the reinforcing rib plates can be arranged on each plate of the support body, so that the strength of the support body is improved.

On the same cross section, the screw and nut of the two rear vertical plate cross-connecting bolts 11, the screw and nut of the two left vertical plate cross-connecting bolts 12, the screw and nut of the two front vertical plate cross-connecting bolts 13 and the screw and nut cross-connecting direction of the screw and nut of the two right vertical plate cross-connecting bolts 14 are sequentially arranged along the anticlockwise direction, so that the bolt connection after the two support bodies are adjusted in place on site is facilitated, and the bolts are prevented from colliding with each other.

When the relative uneven settlement of four anchor feet of the iron tower is within 200 mm, only slotted steel base plates are required to be arranged between the main column of the iron tower foundation and the tower foot plates which are relatively settled in a staggered manner, and the four tower foot plates are adjusted to be at the same height; when the relative uneven settlement of four lower feet of the iron tower is more than 200 mm, a lower end fixing support 4 and an upper end lifting support 5 are arranged between a main foundation column of the iron tower with larger relative settlement and a foot plate of the iron tower, a jack 17 can be arranged between a bottom square plate 6 on the lower end fixing support 4 and a top square plate 8 on the upper end lifting support 5, the inserting lifting height of the upper end lifting support 5 relative to the lower end fixing support 4 is adjusted through the jack 17 according to the settlement height, and after the top square plate 8 of the upper end lifting support 5 is leveled with the elevation before settlement, the cross-shaped cross vertical plate 7, the left rear L-shaped vertical plate 9 and the right front L-shaped vertical plate 10 are connected and fixed together by a cross bolt 13; after the foundation is leveled, when uneven settlement occurs again, the upper lifting support 5 can be supported by the jack 17, the cross-connecting bolt 13 is removed, the jack 17 is used for adjusting the inserting lifting height of the upper lifting support 5 relative to the lower fixing support 4, the square plate 8 at the top end of the upper lifting support 5 is leveled with the elevation before settlement, and the cross-shaped cross vertical plate 7 is connected and fixed with the left rear L-shaped vertical plate 9 and the right front L-shaped vertical plate 10 by the cross-connecting bolt 13, so that the secondary leveling of the foundation is realized. The utility model has simple field operation, can effectively and timely adjust the uneven settlement, avoids the shifting of a tower foundation or the new construction of a line changing line, effectively reduces the power failure time and greatly reduces the engineering investment; the utility model can also be used for newly built iron towers in the subsidence area, and is more convenient to adjust when the iron towers are subsided. Compared with a single-base-tower shifted new construction, the utility model saves about 210 ten thousand yuan of investment when being adopted for a 500kV line; the utility model saves investment by about 90 ten thousand yuan compared with a single-base tower when being newly built for a 220kV line, and has good technical economic benefit, environmental benefit and social benefit.

Claims (2)

1. A convenient and fast power transmission line iron tower foundation settlement adjusting device comprises an iron tower foundation main column (1) and a tower foot plate (3), wherein a tower leg (2) is fixedly arranged on the tower foot plate (3), and is characterized in that a lower end fixing support (4) and an upper end lifting support (5) are arranged between the tower foot plate (3) and the iron tower foundation main column (1); a bottom square plate (6) of the lower end fixed support (4) is fixedly connected to the top end face of the iron tower foundation main column (1) through a fixed seat connecting bolt (15), and a top square plate (8) of the upper end lifting support (5) is fixedly connected with the tower foot plate (3) through an upper lifting support connecting bolt (16); a cross-shaped crossed vertical plate (7) is fixedly arranged on the bottom square plate (6), and two rows of bolt holes are uniformly and alternately arranged on four vertical surfaces of the cross-shaped crossed vertical plate (7) along the vertical direction; a left rear L-shaped vertical plate (9) and a right front L-shaped vertical plate (10) are fixedly arranged on the lower bottom surface of the top square plate (8), and two rows of bolt holes are arranged on two vertical surfaces of the left rear L-shaped vertical plate (9) and two vertical surfaces of the right front L-shaped vertical plate (10) in a staggered manner at equal intervals along the vertical direction; the left rear L-shaped vertical plate (9) and the right front L-shaped vertical plate (10) are spliced and matched with the crossed vertical plate (7), and the upper end lifting support (5) can be lifted or lowered relative to the lower end fixed support (4); two rear vertical plate cross-connecting bolts (11) and two left vertical plate cross-connecting bolts (12) are respectively arranged between the two splicing matching surfaces of the left rear L-shaped vertical plate (9) and the cross-shaped cross vertical plate (7); two front vertical plate cross-connecting bolts (13) and two right vertical plate cross-connecting bolts (14) are respectively arranged between the two splicing matching surfaces of the right front L-shaped vertical plate (10) and the cross-shaped cross vertical plate (7).

2. The convenient adjusting device for foundation settlement of the power transmission line iron tower is characterized in that on the same cross section, the screw rods and the screw caps of the two rear vertical plate cross-connecting bolts (11), the screw rods and the screw caps of the two left vertical plate cross-connecting bolts (12), the screw heads and the screw tails of the two front vertical plate cross-connecting bolts (13) and the screw heads and the screw tails of the two right vertical plate cross-connecting bolts (14) are sequentially arranged along the anticlockwise direction.

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