A tower body structure of a power transmission tower
The layered structure of the transmission tower design solves the problem of the limited number of existing transmission tower lines, enabling flexible increases in the number of lines and reduced construction costs.
Patent Information
- Application Number
- CN202522069043.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-26
AI Technical Summary
Existing transmission towers have a simple structure and a limited number of lines. Adding more lines would occupy land resources and increase construction costs.
The transmission tower adopts a layered structure design, including a bottom tower body and an upper tower head. It is composed of inclined support columns, steel frame poles, fixing frames, crossbars and reinforcement frames, forming a detachable multi-layer cable fixing structure, which can increase the number of lines without the need to build new towers.
This allows for a flexible increase in the number of transmission lines without increasing land occupation and costs, thus improving the structural stability and adaptability.
Smart Images
Figure CN224679230U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power facility technology, and in particular to a transmission tower structure. Background Technology
[0002] In recent years, with economic prosperity, electricity load has increased rapidly, and the power supply network can no longer meet the needs of electricity load development. New transmission lines are needed to meet the ever-increasing electricity demand. However, the existing transmission towers have a simple structure and the number of fixed transmission lines is limited. With the scarcity of land resources, if more lines are added along the same route, new transmission towers need to be built to ensure safe transmission distances. This operation occupies more land resources and increases construction costs. Utility Model Content
[0003] To address the aforementioned technical problems, this solution provides a layered structure for the transmission tower body, comprising a bottom tower body and an upper tower head section; wherein, The base of the tower consists of four diagonally supported columns and multiple steel frame rods, with multiple steel frame rods connecting and fixing the columns of adjacent diagonally supported columns. The upper tower head includes vertical fixing frames, with one fixing frame fixed to the top of each column; adjacent fixing frames are horizontally connected by fixed crossbars; a triangular mounting frame is provided on the outer side of the fixing frame, and a mounting plate is provided on the mounting frame away from the end of the fixing frame. A cable mounting seat is provided on the mounting plate, and the cable mounting seat 2 includes a bottom mounting frame, with a support part at the bottom of the mounting frame and a fixing part corresponding to the top; the fixing part is fixed to a fixing frame by a threaded rod, and the fixing frame is fixed to the mounting plate; the threaded rod is rotatably fixed to the fixing part at one end, and the other end passes through the horizontal part of the fixing frame and is fixed with a nut; two fixing frames are provided vertically, forming a two-layer cable fixing structure. The lower fixing frame has a mounting slot at the upper end, and the upper fixing frame has a protruding insertion rod at the bottom. The two are inserted and fixed by bolts.
[0004] Furthermore, connecting plates are welded to both ends of the crossbar, and these connecting plates are fixed to the inner wall of the fixing frame by bolts.
[0005] Furthermore, the fixing frame has a horizontal part and a vertical part. A horizontal plate is provided at the bottom of the vertical part, and fixing bolts are provided on the horizontal plate to fix it to the mounting plate. At the same time, a protrusion is provided at the end of the horizontal part, and a corresponding protrusion is provided on the outer side of the upper end of the mounting frame. The two are fixed by bolts.
[0006] Furthermore, a reinforcing frame is provided at the top of the fixing frame. The reinforcing frame has a rectangular structure and each corner has a downward protruding insert rod that is inserted into the slot on the upper surface of the fixing frame. The insert rod is fixed to the upper part of the fixing frame by bolts. An X-shaped connecting rod is also provided inside the reinforcing frame.
[0007] Furthermore, a connecting structure is provided between the two layers. This connecting structure includes a connecting frame located at the center of the upper layer's fixing frame. Multiple fixing rods are evenly distributed between the outside of the connecting frame and the fixing frame. The ends of the fixing rods are welded to the fixing frame or fixed to the fixing frame with angle steel plates. The connecting frame has through holes distributed on its top and bottom, and connecting screws are installed at the through holes. The ends of the screws located inside the connecting frame are equipped with locking blocks for limiting their position. The structure of the lower connecting frame is the same as that of the upper connecting frame. It also includes a sleeve with internal threads. The lower part of the upper screw is threadedly connected to the upper part of the sleeve, and the upper part of the lower screw is threadedly connected to the lower part of the sleeve, thereby achieving tension and fixation between the upper and lower layers.
[0008] The advantages of this utility model are: the tower body structure of the power transmission tower is simple, and the number of vertical fixing frames can be increased as needed to increase the power transmission line without the need to build additional towers, which reduces the construction pressure and cost of towers to a certain extent. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a structural diagram of the cable mounting bracket; Figure 3 This is a structural diagram of the reinforcement frame. Detailed Implementation
[0010] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0011] refer to Figure 1-3 This utility model provides a transmission tower structure, including a bottom tower body and an upper tower head; wherein, The bottom tower body includes four diagonally supported columns 1 and multiple steel frame rods 2, with multiple steel frame rods 2 connecting and fixing between adjacent diagonally supported columns 1.
[0012] The upper tower head includes a vertical fixing frame 3, with one fixing frame 3 fixed to the top of each column 1; adjacent fixing frames 3 are horizontally connected by fixed crossbars 4; a triangular mounting frame 5 is provided on the outer side of the fixing frame 3, and a mounting plate 6 is provided on the end of the mounting frame 5 away from the fixing frame 3. A cable mounting seat 7 is provided on the mounting plate 6, and the cable mounting seat 7 includes a bottom mounting frame 701. A support part 702 is provided at the bottom of the mounting frame 701, and a fixing part 703 is provided on the top corresponding to it; the fixing part 703 is fixed to a fixing frame 705 by a threaded rod 704, and the fixing frame 705 is fixed to the mounting plate 6; the first end of the threaded rod 704 is rotatably fixed to the fixing part 703, and the other end passes through the horizontal part of the fixing frame 705 and is fixed with a nut; the threaded rod can drive the fixing part to move up and down to adjust the installation space of the cable.
[0013] Two vertically arranged fixing frames 3 form a two-layer cable fixing structure. The lower fixing frame 3 has an installation slot at its upper end, and the upper fixing frame has a protruding insertion rod 8 at its lower end. After the two are inserted and installed, they are fixed with bolts, thus setting the transmission tower as a detachable layered structure. The tower body can be set with multiple layers according to the transmission lines to be erected, that is, each vertical fixing frame adds a layer.
[0014] As an improvement to the design, connecting plates 9 are welded to both ends of the crossbar 4, and these connecting plates 9 are fixed to the inner wall of the fixing frame 3 by bolts. Through the structure of the crossbar 4, the fixing frames 3 of the same layer are fixed together to form a whole, making the structure more stable.
[0015] As an improvement to the design, the fixing frame 705 has a horizontal part and a vertical part. A horizontal plate 10 is provided at the bottom of the vertical part, and fixing bolts are provided on the horizontal plate 10. The fixing frame 705 is fixed to the mounting plate 6; at the same time, a protrusion 11 is provided at the end of the horizontal part, and a corresponding protrusion 11 is provided on the outer side of the upper end of the mounting frame. The two are fixed by bolts. The transmission cable is located between the fixing part 703 and the support part 702. According to the different size specifications of the cable, the fixing part is adjusted and fixed by moving the threaded rod 704 up and down.
[0016] As an improvement to the design, a reinforcing frame 12 is provided at the top of the fixed frame. The reinforcing frame 12 has a rectangular structure with downward protruding inserts 8 at each corner, which are inserted into the slots on the upper surface of the fixed frame 3. The inserts 8 are fixed to the upper part of the fixed frame 3 by bolts. In addition, an X-shaped connecting rod is provided inside the reinforcing frame 12 to increase the overall stability of the transmission tower structure.
[0017] As an improvement to the solution, a connecting structure is provided between the two layers. This connecting structure includes a connecting frame 13 located at the center of the upper layer's fixing frame. Multiple fixing rods 14 are evenly arranged between the outside of the connecting frame 13 and the fixing frame 3. The ends of the fixing rods 14 are welded to the fixing frame or fixed to the fixing frame 3 with angle steel plates. The connecting frame 13 has through holes distributed on its top and bottom, and connecting screws 15 are provided at the through holes. The ends of the screws located inside the connecting frame are provided with locking blocks 16 for limiting their position. The structure of the lower layer's connecting frame 13 is the same as that of the upper layer's connecting frame. It also includes a sleeve 17 with internal threads. The lower part of the upper screw 15 is threadedly connected to the upper part of the sleeve, and the upper part of the lower screw 15 is threadedly connected to the lower part of the sleeve, so as to achieve tension and fixation of the upper and lower layers.
[0018] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A transmission tower body structure, characterized in that, This includes the bottom tower body and the upper tower head; among which, The base of the tower consists of four diagonally supported columns and multiple steel frame rods, with multiple steel frame rods connecting and fixing the columns of adjacent diagonally supported columns. The upper tower head includes vertical fixing frames, with one fixing frame fixed to the top of each column; adjacent fixing frames are horizontally connected by fixed crossbars; a triangular mounting frame is provided on the outer side of the fixing frame, and a mounting plate is provided on the mounting frame away from the end of the fixing frame. A cable mounting seat is provided on the mounting plate, and the cable mounting seat includes a bottom mounting frame. A support part is provided at the bottom of the mounting frame, and a fixing part is provided at the top corresponding to the bottom; the fixing part is fixed to a fixing frame by a threaded rod, and the fixing frame is fixed to the mounting plate; the first end of the threaded rod is rotatably fixed to the fixing part, and the other end passes through the horizontal part of the fixing frame and is fixed with a nut; two fixing frames are arranged vertically, forming a two-layer cable fixing structure. The lower fixing frame has a mounting slot at the upper end, and the upper fixing frame has a protruding insertion rod at the bottom. The two are inserted and fixed by bolts.
2. The transmission tower body structure as described in claim 1, characterized in that, Connecting plates are welded to both ends of the crossbar, and these connecting plates are fixed to the inner wall of the fixing frame by bolts.
3. The transmission tower body structure as described in claim 1, characterized in that, The fixing frame has a horizontal part and a vertical part. A horizontal plate is provided at the bottom of the vertical part, and fixing bolts are provided on the horizontal plate to fix it to the mounting plate. At the same time, a protrusion is provided at the end of the horizontal part, and a corresponding protrusion is provided on the outer side of the upper end of the mounting frame. The two are fixed by bolts.
4. The transmission tower body structure as described in claim 1, characterized in that: The top of the fixing frame is equipped with a reinforcing frame, which is a rectangular structure with downward protruding inserts at each corner. These inserts are inserted into slots on the upper surface of the fixing frame and secured to the upper part of the fixing frame with bolts. Additionally, an X-shaped connecting rod is provided inside the reinforcing frame.
5. The transmission tower body structure as described in claim 1, characterized in that: A connecting structure is provided between the two layers. This connecting structure includes a connecting frame located at the center of the upper layer's fixing frame. Multiple fixing rods are evenly distributed between the outside of the connecting frame and the fixing frame. The ends of the fixing rods are welded to the fixing frame or fixed to the fixing frame with angle steel plates. The connecting frame has through holes distributed on its top and bottom, and connecting screws are installed at the through holes. The ends of the screws located inside the connecting frame are equipped with locking blocks for limiting their position. The structure of the lower connecting frame is the same as that of the upper connecting frame. It also includes a sleeve with internal threads. The lower part of the upper screw is threadedly connected to the upper part of the sleeve, and the upper part of the lower screw is threadedly connected to the lower part of the sleeve, so as to achieve tension and fixation between the upper and lower layers.