Power transmission line iron tower

Abstract

The utility model relates to the technical field of electric power transmission, and particularly discloses a power transmission line iron tower which comprises a tower body and a tower head, four inclined tower leg supporting pipes are arranged at the bottom of the tower body and fixedly supported on a reinforced concrete block through a fixing base, a reinforcing mesh cage is arranged in the reinforced concrete block, and the reinforcing mesh cage is arranged on the tower head. The fixing base comprises an embedded bottom plate fixed to the upper surface of the reinforced concrete block, a vertical pipe is fixedly connected to the middle of the embedded bottom plate, a plurality of vertical pipe reinforcing rib plates and at least one pull connecting pipe positioning reinforcing rib plate are fixedly connected to the periphery of the vertical pipe, and the tops and the bottoms of the vertical pipe reinforcing rib plates are fixedly connected with the pressing plate and the embedded bottom plate respectively. Foundation bolts are embedded in the upper portions of the reinforced concrete blocks, the upper portions of the foundation bolts penetrate through the embedded bottom plate and the pressing plates, the tops of the foundation bolts are in threaded connection with nuts, and the bottom ends of the foundation bolts are connected with the reinforcing mesh cage. And the fixed base enhances the anti-bending strength and the anti-wind performance of the bottom of the iron tower.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission, in particular to a power transmission line iron tower. Background Art

[0002] Steel towers are commonly used as supporting facilities for overhead power transmission lines. Transmission conductors, lightning conductors, and other components are supported on the towers, which serve to support, disperse, and redirect the wires. A steel tower consists of a body and a head. The base of the body rests on four tilted legs supported by a concrete foundation. The head is typically equipped with outward-extending crossarms, on which the transmission lines are mounted. Steel towers generally utilize a truss structure, constructed by connecting and assembling steel pipes, angle steel, and other profiles. Due to their height, they are not suitable for complete installation, so they are typically assembled on-site. Materials are cut in a workshop or on-site, then assembled from the bottom up, starting from the concrete foundation on the ground. Bolts and nuts are used to secure the pipes and profiles together. Strong winds have a great impact on transmission line towers. Strong winds may cause the towers to vibrate horizontally or vertically. When the vibration exceeds the tower's bearing limit, the tower will bend. During strong winds, the tower feet at the bottom will also be subjected to large torsion. Especially in extreme weather, strong winds may also cause the tower feet to break and collapse. Therefore, the bottom strength of the tower has a great impact on its wind resistance. Utility Model Content

[0003] The utility model provides a power transmission line iron tower with a reinforced bottom structure to solve the problem that the bottom tower legs are broken due to excessive force when the iron tower is affected by strong winds.

[0004] In order to solve the above technical problems, the utility model includes a tower body, the upper part of the tower body is connected to the tower head, both sides of the tower head are provided with at least one cross arm for supporting electric wires, the bottom of the tower body is four inclined tower leg support tubes, the tower leg support tubes are fixedly supported on the reinforced concrete block through a fixed base, the truss structure of the tower body and the tower head is provided with a plurality of pull tubes arranged crosswise in different directions, and its structural characteristics are: a steel mesh cage formed by crisscrossing steel bars is provided in the reinforced concrete block, the fixed base includes an embedded bottom plate fixed to the upper surface of the reinforced concrete block, the middle part of the embedded bottom plate is fixedly connected to the tower leg support tube fixed to the tower leg support tube A fixedly connected riser, the periphery of the riser is fixedly connected with a plurality of riser reinforcement ribs and at least one pull-tube positioning reinforcement rib fixedly connected to the bottom oblique pull-tube of the tower body, the tops and bottoms of the plurality of riser reinforcement ribs are fixedly connected to the pressure plate and the embedded bottom plate respectively, the pressure plate is sleeved on the outside of the riser and fixedly connected to the riser, a plurality of anchor bolts arranged around the riser are embedded in the upper part of the reinforced concrete block, the upper part of the anchor bolt passes through the embedded bottom plate and the pressure plate, the top of the anchor bolt is screwed with at least one nut resting on the pressure plate, the bottom end of the anchor bolt is provided with a ring body, and the ring body is connected to the steel mesh cage through connecting ribs.

[0005] After adopting the above structure, the tower leg support tube at the bottom of the tower body is fixedly supported on the reinforced concrete block by a fixed base, the bottom inclined pull pipe of the tower body is fixedly connected to the pull pipe positioning reinforcement plate, and the overhead wire is laid on the cross arm; the fixed base is fixed on the reinforced concrete block, the embedded bottom plate of the fixed base is fixed to the upper surface of the reinforced concrete block, the middle of the embedded bottom plate is fixedly connected with the riser, and the riser is fixedly connected to the tower leg support tube, thereby realizing the fixation of the iron tower, and the circumference of the riser is fixedly connected with multiple riser reinforcement ribs. The riser reinforcement ribs enhance the connection strength between the riser and the embedded bottom plate. The utility model adds a pressure plate sleeved on the outside of the riser, the top of the riser reinforcement rib is fixedly connected to the pressure plate, and the bottom is fixedly connected to the embedded bottom plate. In order to enhance the stability of the riser and the embedded bottom plate, multiple anchor bolts are embedded in the reinforced concrete block. The anchor bolts are usually installed in a way that they pass through the embedded bottom plate and are screwed to the anchor bolts with nuts, and the nuts are pressed on the embedded bottom plate. The anchor bolts pass through the embedded base plate and then pass through the pressure plate upward. The nuts are screwed to the anchor bolts and pressed on the pressure plate. The pressure plate and the embedded base plate form a firmly connected overall structure through the riser reinforcement ribs. When the iron tower vibrates due to strong winds or is subjected to torsion in a certain direction, the riser reinforcement ribs in different directions are subjected to different external forces, and then the force is applied to the riser, pressure plate and embedded base plate. The nuts apply pressure to the pressure plate. Since the riser, pressure plate and embedded base plate form an overall structure, the force on the riser reinforcement ribs in different directions becomes uniform, and the force applied to the riser, pressure plate and embedded base plate is also more uniform, preventing local excessive force from causing deformation or damage, enhancing the overall strength of the connection between the reinforced concrete block and the riser, improving the bending strength of the riser, and making it difficult for the embedded base plate to separate from the reinforced concrete block; the ring at the bottom end of the anchor bolt is connected to the steel mesh cage through connecting ribs, which enhances the tensile strength of the anchor bolt, thereby enhancing the strength and stability of the fixed base.

[0006] A plurality of bottom plate reinforcing ribs fixedly connected to the bottom surface of the embedded bottom plate are provided in the reinforced concrete block.

[0007] The connection between the vertical pipe and the tower leg support pipe is provided with a connection reinforcement member for strengthening the connection.

[0008] The connection reinforcement includes an upper connection plate sleeved on the outside of the tower leg support tube and a lower connection plate sleeved on the outside of the riser. The upper connection plate is fixedly connected to the tower leg support tube, and the lower connection plate is fixedly connected to the riser. The connection reinforcement also includes a plurality of connection reinforcement ribs arranged around the outside of the connection between the tower leg support tube and the riser. Each of the connection reinforcement ribs is fixedly connected to the tower leg support tube and the riser, and the top and bottom of each of the connection reinforcement ribs are fixedly connected to the upper connection plate and the lower connection plate respectively.

[0009] The bottom edge of the pull-tube positioning reinforcement rib is fixedly connected to the embedded bottom plate, and the two sides of the pull-tube positioning reinforcement rib are fixedly connected with side ribs for increasing the connection strength of the bottom oblique pull-tube. The side ribs are fixedly connected to the vertical pipe, and the end of the bottom oblique pull-tube is provided with four connection grooves into which the pull-tube positioning reinforcement ribs and the side ribs can be inserted.

[0010] The side ribs are perpendicular to the pull tube positioning and reinforcement ribs.

[0011] The tower body of the utility model is supported on the reinforced concrete block by a fixed base, wherein the tower leg support tube inclined at the bottom of the tower body is connected to the riser of the fixed base, and a pre-buried base plate is arranged on the upper surface of the reinforced concrete block, and the riser is fixed to the pre-buried base plate. At the connection between the pre-buried base plate and the riser, a plurality of riser reinforcement ribs arranged around the riser and a pull-tube positioning reinforcement rib are provided. The top of the riser reinforcement rib is connected by a pressure plate, and the bottom is connected to the pre-buried base plate, so that the riser reinforcement rib, the pressure plate and the pre-buried base plate form an integral structure. The anchor bolts pass through the pressure plate and the pre-buried base plate and are pressed on the pressure plate by nuts to increase the strength of the overall structure and prevent the pre-buried base plate from separating from the reinforced concrete block. The integral structure of the riser reinforcement rib, the pressure plate and the pre-buried base plate can make the force applied to the riser and the pre-buried base plate by the riser reinforcement ribs in different directions become relatively uniform. The bolts are connected to the steel mesh cage in the reinforced concrete block, which improves the overall strength and stability of the fixed base; a connection reinforcement is set at the connection between the riser and the tower leg support pipe, and the connection reinforcement includes a plurality of connection reinforcement ribs arranged around the pipe body at the connection, and the connection reinforcement ribs are fixedly connected to the upper connection plate and the lower connection plate to form an integral structure. Similar to the principle of the fixed base, the connection reinforcement enhances the connection strength of the riser and the tower leg support pipe; the bottom oblique pipe is fixedly connected to the riser through the pull-tube positioning reinforcement ribs and the side ribs, and four connection grooves are provided at the end of the bottom oblique pipe, and the pull-tube positioning reinforcement ribs and the side ribs can be inserted into the connection grooves. During installation, the position of the bottom oblique pipe is determined after the pull-tube positioning reinforcement ribs and the side ribs are inserted into the connection grooves, which facilitates the welding and fixation of the bottom oblique pipe and the pull-tube positioning reinforcement ribs and the side ribs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of the iron tower of the utility model;

[0013] Figure 2 It is a schematic diagram of the connection between the tower body and the fixed base;

[0014] Figure 3 for Figure 2 AA cross-sectional diagram;

[0015] Figure 4 for Figure 2 BB cross-sectional diagram;

[0016] Figure 5 The middle left picture is a plan view of the riser reinforcement rib, and the right picture is a d-direction view of the left picture;

[0017] Figure 6 for Figure 2 Schematic diagram of CC cross section;

[0018] Figure 7 The middle left picture is a plan view of the connection reinforcement rib, and the right picture is the e-direction view of the left picture;

[0019] Figure 8 The middle left picture is a side view of the connection between the pull-out tube positioning reinforcement rib and the riser. The right picture is a view in the F direction of the left picture, without showing the riser reinforcement rib.

[0020] Figure 9 This is a schematic diagram of the connection groove on the bottom inclined pipe;

[0021] Figure 10 (a) is a schematic diagram of the bottom inclined pipe before it is inserted into the connecting part reinforcement rib. Figure 10 (b) Schematic diagram of the bottom inclined-stayed pipe after being inserted into the connecting reinforcement rib;

[0022] In the figure: 1. Tower body; 11. Tower leg support tube; 12. Bottom inclined pipe; 121. Connection groove; 2. Tower head; 21. Cross arm; 3. Connection reinforcement; 31. Upper connection plate; 32. Lower connection plate; 33. Connection reinforcement rib; 4. Fixed base; 41. Vertical pipe; 42. Embedded bottom plate; 421. Bottom plate reinforcement; 43. Pressure plate; 44. Vertical pipe reinforcement rib; 45. Anchor bolt; 451. Ring body; 46. Nut; 47. Pull pipe positioning reinforcement rib; 471. Connection protrusion; 48. Side rib; 5. Reinforced concrete block; 51. Plain concrete cushion; 52. Steel mesh cage; 6. Connection rib. DETAILED DESCRIPTION

[0023] Reference Figure 1-10 A transmission line iron tower, the main structure of the tower body includes a tower body 1 and a tower head 2 fixedly connected to the tower body 1. Both sides of the tower head 2 are provided with at least one cross arm 21, and the overhead wire is supported on the cross arm 21. Figure 1 Three symmetrical cross arms 21 are set on both sides of the middle tower head 2. Of course, one or two can also be set. The tower body is fixedly connected to the fixed base 4 through four tower leg support tubes 11 tilted outward at the bottom of the tower body 1. The fixed base 4 is fixed on the reinforced concrete block 5 below, thereby achieving fixed support of the tower. The transmission line tower is a truss structure. The tower body 1 of the utility model is assembled by connecting steel pipes. Figure 1 、 2As shown, a plain concrete cushion layer 51 is provided below the reinforced concrete block 5, and a steel mesh cage 52 is provided inside the reinforced concrete block 5. The steel mesh cage 52 is formed by connecting crisscross steel bars. The concrete foundation is a commonly used iron tower foundation and is not described in detail here.

[0024] Reference Figure 1-5 The fixed base 4 includes an embedded bottom plate 42 fixedly arranged on the upper surface of the reinforced concrete block 5. A plurality of bottom plate reinforcing ribs 421 are embedded in the upper part of the reinforced concrete block 5. The bottom plate reinforcing ribs 421 are fixedly connected to the bottom surface of the embedded bottom plate 42. The bottom surface here refers to the lower surface of the embedded bottom plate 42. The bottom plate reinforcing ribs 421 are embedded in the reinforced concrete block 5 to increase the firmness of the embedded bottom plate 42 and prevent the embedded bottom plate 42 from separating from the reinforced concrete block 5 when subjected to upward tension. A riser 41 is provided in the middle of the embedded bottom plate 42. The top of the riser 41 is fixedly connected to the bottom end of the tower leg support tube 11. The embedded bottom plate 42 is sleeved on the lower part of the riser 41 and fixedly connected to the riser 41. The bottom of the riser 41 is embedded in the reinforced concrete block 5 (not shown in the figure). The periphery of the riser 41 is fixedly connected to a plurality of riser reinforcing ribs 44 and at least one pull-tube positioning reinforcing rib 47 fixedly connected to the bottom inclined pull-tube 12. Figure 3 、 4 As shown, five riser reinforcement ribs 44 are provided around the riser 41. The riser reinforcement ribs 44 and the pull-tube positioning reinforcement ribs 47 are evenly distributed along the periphery of the riser 41. The even arrangement has a better support and reinforcement effect on the riser 41. Of course, other numbers of riser reinforcement ribs 44 can also be provided. The bottoms of the riser reinforcement ribs 44 and the pull-tube positioning reinforcement ribs 47 are all fixedly connected to the embedded bottom plate 42, and the tops of the riser reinforcement ribs 44 are all fixedly connected to the pressing plate 43. The pressing plate 43 is sleeved on the outside of the riser 41 and fixedly connected to the riser 41, so that the pressing plate 43, the riser reinforcement ribs 44, and the embedded bottom plate 42 form an integral structure, thereby improving the reinforcement effect on the riser 41; as shown Figure 2 As shown, the upper portion of the pull-tube positioning reinforcement rib 47 is higher than the height of the pressure plate 43. Specifically, a groove can be provided in the pull-tube positioning reinforcement rib 47 for the pressure plate 43 to be inserted. After the pressure plate 43 is inserted into the pull-tube positioning reinforcement rib 47, the two plates are welded and fixed. The pull-tube positioning reinforcement rib 47 also plays a role in fixing and reinforcing the vertical pipe 41. In the figure, there is only one pull-tube positioning reinforcement rib 47. If the other side of the tower body 1 also has a bottom inclined pull-tube 12, a pull-tube positioning reinforcement rib 47 can be used to replace a vertical pipe reinforcement rib 44. Figure 2-4As shown, a plurality of anchor bolts 45 are embedded in the upper part of the reinforced concrete block 5. The anchor bolts 45 pass upward through the embedded base plate 42 and the pressure plate 43. The top of the anchor bolt 45 is screwed with at least one nut 46. The nut 46 rests on the pressure plate 43. The nut 46 exerts pressure on the pressure plate 43, and then exerts pressure on the embedded base plate 42 to prevent the embedded base plate 42 from separating from the reinforced concrete block 5. Two nuts 46 are provided in the figure, which can withstand the greater external force exerted by the pressure plate 43 on the nut 46. Figure 3 、 4 As shown, the anchor bolt 45 is arranged around the riser 41. Specifically, the anchor bolt 45 is arranged in the gap between two adjacent ribs; a ring body 451 is provided at the bottom of the anchor bolt 45, which is a conventional form of the anchor bolt 45. The ring body 451 is connected to the steel mesh cage 52 through a connecting rib 6. The connecting rib 6 can be composed of several steel bars, such as braiding the steel bars into a strand like a braid. One end of the connecting rib 6 is fixedly connected to the ring body 451, and the other end is fixedly connected to the steel bars of the steel mesh cage 52. The steel mesh cage 52 generates tension on the anchor bolt 45 through the connecting rib 6, thereby increasing the tensile strength of the anchor bolt 45 and increasing the pressure of the nut 46 on the pressure plate 43.

[0025] Reference Figure 1 、 2 8-10, a connection reinforcement 3 is provided at the connection between the riser 41 and the tower leg support tube 11, and the connection reinforcement 3 strengthens the connection between the riser 41 and the tower leg support tube 11. The connection reinforcement 3 includes an upper connection plate 31 sleeved on the outside of the tower leg support tube 11 and a lower connection plate 32 sleeved on the outside of the vertical pipe 41. The upper connection plate 31 is fixedly connected to the tower leg support tube 11, and the lower connection plate 32 is fixedly connected to the vertical pipe 41. A plurality of connection reinforcement ribs 33 arranged around the outside of the connection between the tower leg support tube 11 and the vertical pipe 41 are provided between the upper connection plate 31 and the lower connection plate 32. Each connection reinforcement rib 33 is fixedly connected to the outer wall of the tower leg support tube 11 and the vertical pipe 41, and the top and bottom of the connection reinforcement rib 33 are fixedly connected to the upper connection plate 31 and the lower connection plate 32 respectively. The plurality of connection reinforcement ribs 33 form an integral structure through the upper connection plate 31 and the lower connection plate 32, thereby enhancing the bending resistance of the connection between the tower leg support tube 11 and the vertical pipe 41. Figure 6 Six connecting reinforcement ribs 33 are provided, and the six connecting reinforcement ribs 33 are evenly distributed along the circumference of the tower leg support tube 11 and the riser 41, which has better reinforcement performance. Of course, other numbers of connecting reinforcement ribs 33 can also be provided. Figure 2 、 8-10, the two sides of the pull-tube positioning and reinforcing ribs 47 are fixedly connected with side ribs 48, and one edge of the side ribs 48 is fixedly connected to the vertical pipe 41, so that the position of the side ribs 48 is fixed, and the end of the bottom oblique-pull-tube 12 is provided with four connecting grooves 121 into which the pull-tube positioning and reinforcing ribs 47 and the side ribs 48 can be inserted. After the pull-tube positioning and reinforcing ribs 47 and the side ribs 48 are inserted into the connecting grooves 121, the position of the bottom oblique-pull-tube 12 is fixed, which facilitates the positioning of the bottom oblique-pull-tube 12 and the welding and fixing of the bottom oblique-pull-tube 12 with the pull-tube positioning and reinforcing ribs 47 and the side ribs 48. The side ribs 48 can enhance the connection strength of the bottom oblique-pull-tube 12. Specifically, the side ribs 48 are perpendicular to the pull-tube positioning and reinforcing ribs 47. When the side ribs 48 are vertically connected The positioning and reinforcing ribs 47 for the pull-tube have a good reinforcing effect. In order to facilitate the connection between the bottom oblique-pull-tube 12 and the positioning and reinforcing ribs 47 and the side ribs 48, the positioning and reinforcing ribs 47 for the pull-tube are provided with outwardly extending connecting protrusions 471, and the side ribs 48 are located on both sides of the connecting protrusions 471. The "cross"-shaped end faces formed by the ends of the connecting protrusions 471 and the side ribs 48 are perpendicular to the length direction of the bottom oblique-pull-tube 12. At this time, the four connecting grooves 121 opened on the bottom oblique-pull-tube 12 are the same, and the four connecting grooves 121 are evenly distributed along the circumferential end of the bottom oblique-pull-tube 12, that is, any two adjacent connecting grooves 121 are 90° apart. The bottom oblique-pull-tube 12 can be aligned and inserted into the connecting protrusions 471 and the side ribs 48 by rotating 90°, which is convenient for docking during installation.

[0026] Installation and operation: During installation, concrete foundation pits are dug at the four corners of the tower, a plain concrete cushion layer 51 is laid at the bottom of the foundation pit, a steel mesh cage 52 is woven, holes for the vertical pipes 41 and the anchor bolts 45 are opened on the embedded bottom plate 42, the bottom plate reinforcement ribs 421 are welded to the bottom surface of the embedded bottom plate 42, the anchor bolts 45 are connected to the steel bars of the steel mesh cage 52 with the connecting ribs 6, the positions of the embedded bottom plate 42, the vertical pipes 41 and the anchor bolts 45 are fixed, the formwork is supported, and concrete is poured to form the reinforced concrete blocks 5, which are cured. After the reinforced concrete blocks 5 are cured and formed, the vertical pipe reinforcement ribs 44 are welded to the vertical pipes 41 and the embedded bottom plate 42 according to the designed position, and then the welding pressure plate 43 is fixed, and then the welding pressure plate 43 is fixed. The pull-out pipe is positioned to strengthen the ribs 47 and the side ribs 48, and the nut 46 is installed on the top of the anchor bolt 45 and the pressure plate 43 is pressed; the lower connecting plate 32 is welded and fixed, and then the tower leg support pipe 11 is welded to the vertical pipe 41, and the connection part strengthening ribs 33 and the upper connecting plate 31 are welded and fixed, and the bottom oblique pull-out pipe 12 is aligned and inserted into the connecting protrusion 471 and the side ribs 48, and the position of the bottom oblique pull-out pipe 12 is fixed, and then the connection between the bottom oblique pull-out pipe 12 and the connecting protrusion 471 and the side ribs 48 is welded, and then pipes and connectors are used to assemble from bottom to top to form an iron tower. The assembly method of the iron tower body is conventional method, and fasteners or welding are used for connection and fixing. After the iron tower is assembled, the overhead wires are installed. During operation, when the iron tower is affected by strong winds and vibrates, and tends to tilt downwind, the connection between the bottom of the vertical pipe 41 and the embedded bottom plate 42 is subjected to a large torsional force. The vertical pipe reinforcement ribs 44 in different directions apply forces in different directions such as thrust or tension to the vertical pipe 41. The vertical pipe reinforcement ribs 44 in different directions also generate forces in different directions such as pressure or tension on the embedded bottom plate 42. Some nuts 46 generate downward pressure on the pressure plate 43. Since the tops of the vertical pipe reinforcement ribs 44 are connected through the pressure plate 43, the pressure plate 43 is pressed downward. The plate 43, riser reinforcement ribs 44, and embedded base plate 42 form an integrated structure. The pressure of the pressure plate 43 is distributed to different riser reinforcement ribs 44. The riser reinforcement ribs 44 apply pressure or tension to the embedded base plate 42, making the pressure or tension on the riser reinforcement ribs 44 and embedded base plate 42 in different directions relatively uniform, preventing local damage caused by excessive stress and enhancing the bending resistance of the tower base. The anchor bolts 45 are connected to the steel mesh cage 52 to enhance the tensile strength of the anchor bolts 45. The connection between the riser 41 and the tower leg support tube 11 is welded, and multiple connection reinforcement ribs 33 are installed on the outside of the connection. The upper and lower ends of the connection reinforcement ribs 33 are respectively connected to the upper connection plate 31 and the lower connection plate 32, forming a unified structure of the connection reinforcement ribs 33, the upper connection plate 31, and the lower connection plate 32. This improves the bending strength of the connection between the riser 41 and the tower leg support tube 11. The principle is basically the same as that of the fixed base 4 and will not be described in detail here.

[0027] The utility model discloses a fixed base at the bottom of the transmission line tower to enhance the bending strength of the connection between the vertical pipe and the reinforced concrete block foundation, the anchor bolts and the steel mesh cage are connected to improve the tensile strength of the anchor bolts, and the connection reinforcement enhances the bending strength of the connection between the vertical pipe and the tower leg support pipe, thereby improving the wind resistance of the tower and reducing the risk of the connection breaking when affected by strong winds; the pull-out pipe positioning reinforcement ribs facilitate the positioning and installation of the bottom oblique pull-out pipe, improve the installation efficiency and save time.

Claims

1. A power transmission line iron tower, comprising a tower body (1), wherein the upper portion of the tower body (1) is connected to a tower head (2), at least one cross arm (21) for supporting electric wires is provided on both sides of the tower head (2), the bottom of the tower body (1) is provided with four inclined tower leg support tubes (11), the tower leg support tubes (11) are fixedly supported on reinforced concrete blocks (5) through fixed bases (4), a plurality of tension tubes arranged crosswise in different directions are provided on the truss structure of the tower body (1) and the tower head (2), and the tower tower is characterized in that: A steel mesh cage (52) formed of crisscrossed steel bars is provided in the reinforced concrete block (5), and the fixed base (4) includes a pre-buried bottom plate (42) fixed to the upper surface of the reinforced concrete block (5), a vertical pipe (41) fixedly connected to the tower leg support pipe (11) is fixedly connected to the middle of the pre-buried bottom plate (42), and a plurality of vertical pipe reinforcement ribs (44) and at least one pull pipe positioning reinforcement rib (47) fixedly connected to the bottom inclined pull pipe (12) of the tower body (1) are fixedly connected to the periphery of the vertical pipe (41), and the tops and bottoms of the plurality of vertical pipe reinforcement ribs (44) are respectively connected to the pressure plate (43). , the embedded bottom plate (42) is fixedly connected, the pressure plate (43) is sleeved on the outside of the riser (41) and fixedly connected to the riser (41), a plurality of anchor bolts (45) arranged around the riser (41) are embedded in the upper part of the reinforced concrete block (5), the upper part of the anchor bolt (45) passes through the embedded bottom plate (42) and the pressure plate (43), the top of the anchor bolt (45) is screwed with at least one nut (46) abutting against the pressure plate (43), the bottom end of the anchor bolt (45) is provided with a ring body (451), and the ring body (451) is connected to the steel mesh cage (52) through the connecting rib (6).

2. The transmission line tower according to claim 1, wherein: A plurality of bottom plate reinforcing ribs (421) fixedly connected to the bottom surface of the embedded bottom plate (42) are provided in the reinforced concrete block (5).

3. The transmission line tower according to claim 1, wherein: A connection reinforcement member (3) is provided at the connection between the riser (41) and the tower leg support tube (11) for strengthening the connection.

4. The transmission line tower according to claim 3, wherein: The connection reinforcement member (3) includes an upper connection plate (31) sleeved on the outside of the tower leg support tube (11) and a lower connection plate (32) sleeved on the outside of the vertical pipe (41), the upper connection plate (31) is fixedly connected to the tower leg support tube (11), and the lower connection plate (32) is fixedly connected to the vertical pipe (41). The connection reinforcement member (3) also includes a plurality of connection reinforcement ribs (33) arranged around the outside of the connection between the tower leg support tube (11) and the vertical pipe (41), each of the connection reinforcement ribs (33) is fixedly connected to the tower leg support tube (11) and the vertical pipe (41), and the top and bottom of each connection reinforcement rib (33) are fixedly connected to the upper connection plate (31) and the lower connection plate (32), respectively.

5. The transmission line tower according to claim 1, wherein: The bottom edge of the pull-tube positioning reinforcement rib (47) is fixedly connected to the embedded bottom plate (42), and the two sides of the pull-tube positioning reinforcement rib (47) are fixedly connected to side ribs (48) for increasing the connection strength of the bottom oblique pull-tube (12). The side ribs (48) are fixedly connected to the vertical pipe (41), and the end of the bottom oblique pull-tube (12) is provided with four connection grooves (121) into which the pull-tube positioning reinforcement rib (47) and the side ribs (48) can be inserted.

6. The transmission line tower according to claim 5, characterized in that: The side ribs (48) are perpendicular to the pull tube positioning reinforcement ribs (47).

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