Comprehensive reinforcing iron tower for power transmission
Through inclined auxiliary materials, insufficient extrusion of bolt hole walls and main material reinforcement structures, components such as reinforced angle steel, clamps and fastening structures are used to achieve damage-free tower reinforcement, which solves the damage to structural parts during tower reinforcement in the prior art and The safety hazards have improved the safety and load-bearing capacity of the tower and ensured the safety and economical construction.
Patent Information
- Application Number
- CN202420317787.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-02-21
AI Technical Summary
The existing power transmission tower reinforcement methods have structural parts damage, installation difficulties and safety hazards. Especially in extreme weather conditions, common bolt connection and welding methods have great safety risks to high-altitude workers and are prone to damage to towers.
The inclined auxiliary material reinforcement structure, the bolt hole wall extrusion reinforcement structure and the main material reinforcement structure are adopted. By reinforcing angle steel, plywood, fastening structure and inner-cover angle steel components, the damage-free tower reinforcement is achieved and the safety of the tower is improved. and load-bearing capacity.
This method can improve the safety and bearing capacity of the tower through differentiated reinforcement without damaging the existing tower rods, ensuring fast construction speed, safety and reliability, and good economic and social benefits.
Smart Images
Figure CN222228153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power transmission, in particular to a comprehensive reinforcement iron tower for power transmission. Background Art
[0002] In recent years, extreme weather has occurred frequently, and the external environment of existing towers has become increasingly harsh, resulting in tower damage. In order to ensure the safe operation of transmission lines, it is often necessary to reinforce existing towers. Common problems in the reinforcement of transmission towers are as follows: (1) Bolting or directly welding holes in existing tower rods to increase the cross-section for reinforcement poses a great safety risk to workers working at heights, and is prone to damage to existing rods, posing a safety hazard to the tower; (2) Replacing rods with larger specifications with rods with insufficient bearing capacity is dangerous because the tower is under stress; and there is a risk that the tower cannot be installed due to deformation caused by stress. Summary of the invention
[0003] The utility model aims to provide a comprehensive reinforced iron tower for power transmission in view of the structural damage, installation difficulties and safety problems existing in the existing iron tower reinforcement structure. The reinforced iron tower does not damage the iron tower structural parts and can comprehensively and effectively improve the safety of the iron tower.
[0004] To achieve the above-mentioned purpose, the utility model provides a comprehensive reinforcement iron tower for power transmission, which involves an oblique auxiliary material reinforcement structure, a bolt hole wall under-extrusion rod reinforcement structure and a main material reinforcement structure, and is characterized in that:
[0005] The diagonal auxiliary material reinforcement structure is a box-shaped section formed by arranging a reinforcement angle steel of the same specification as the diagonal auxiliary material reinforcement rod on the diagonal auxiliary material reinforcement rod, and clamping and fixing it by a clamping plate structure;
[0006] The reinforcement structure of the rod member with insufficient extrusion of the bolt hole wall is to arrange an equal-length reinforcement angle steel closely on the inner side of the rod member with insufficient extrusion of the bolt hole wall, and at the same time arrange a fastening structure at intervals on the outer side of the rod member with insufficient extrusion of the bolt hole wall, and the equal-length reinforcement angle steel is connected and fixed to the rod member with insufficient extrusion of the bolt hole wall and the fastening structure by replacing bolts; inner angle steels are arranged at intervals on the inner side of the equal-length reinforcement angle steels, and the inner angle steels are fixedly connected to both sides of the fastening structure;
[0007] The main material reinforcement structure is to set a main material reinforcement angle steel on the outside of the main material rod to form a double-jointed cross-shaped combined section with the main material rod. The main material rod and the main material reinforcement angle steel are connected and fixed by the inner reinforcement angle steel and the reinforced outer plate structure arranged at intervals.
[0008] Furthermore, a groove is formed at the interference position between the reinforcing angle steel and the oblique auxiliary material connected to the oblique auxiliary material rod, and stiffening plates are provided at both ends of the groove.
[0009] Furthermore, the clamping plate structure is formed by connecting two parallel outer plates, and the directions of the clamping plate structure are arranged in staggered directions.
[0010] Furthermore, the fastening structure is formed by connecting two outer plates horizontally and vertically, and is consistent with the shape of the rod.
[0011] Furthermore, the reinforced external plate structure is composed of a vertical external plate and two other vertical external plates corresponding to the front and rear of the vertical external plate.
[0012] Positive effects of the utility model: The comprehensive reinforcement of the iron tower adopts differentiated reinforcement methods according to the rods in different positions and different reasons for over-limit, including oblique auxiliary material reinforcement structure, rod reinforcement structure for insufficient bolt hole wall extrusion and main material reinforcement structure. The oblique auxiliary material rods are formed into a box section by reinforcing angle steels, which are clamped and fixed by plywood; the rods with insufficient bolt hole wall extrusion are fixedly connected by equal-length reinforcing angle steels and fastening structures and inner angle steels; the main material reinforcement structure is connected and fixed by the main material reinforcement angle steel and the reinforced outer plate structure. This structure can meet the requirements of iron tower reinforcement in the most economical way. The structural components can be mass-produced and installed on-site, with fast construction speed; there is no need to drill holes or weld existing iron tower rods, no damage to the rods, safe and reliable, with good economic and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure reinforced with oblique auxiliary materials;
[0014] Figure 2 yes Figure 1 Schematic diagram of the expansion and slotting of the middle oblique auxiliary material reinforcement angle steel;
[0015] Figure 3 It is a schematic diagram of the cross section of the rod reinforcement structure with insufficient extrusion of the bolt hole wall;
[0016] Figure 4 It is a schematic diagram of the cross section of the main material reinforcement structure;
[0017] The markings in the attached figure are as follows: 1—oblique auxiliary material reinforcement angle steel; 2—first external plate; 3—oblique auxiliary material rod; 4—fixing bolt; 5—second external plate; 6—stiffening plate; 7—third external plate; 8—rod with insufficient extrusion of bolt hole wall; 9—replacement bolt; 10—fourth external plate; 11—clamping bolt; 12—inner wrapped angle steel; 13—equal length reinforcement angle steel; 14—fifth external plate; 15—main material fixing bolt; 16—sixth external plate; 17—main material reinforcement angle steel; 18—seventh external plate; 19—main material rod; 20—main material inner wrapped angle steel. DETAILED DESCRIPTION
[0018] Reference Figure 1 , Figure 2According to the specifications of the diagonal auxiliary material rod 3 and its connection structure, the specifications of the diagonal auxiliary material reinforcement angle steel 1, the slotting position, the size of the external plate and the length of the fixing bolt 4 are determined. After the reinforcement structure components are produced in the factory, they are installed on site. During installation, the first external plate 2 and the second external plate 5 are used in pairs to form a plywood structure, and the directions of the plywood structures are arranged in staggered directions in sequence, and the center distance between adjacent plywood structures does not exceed 0.5 meters. When the diagonal auxiliary material reinforcement angle steel 1 interferes with other diagonal materials and auxiliary materials connected to the diagonal auxiliary material rod 3, it is necessary to slot, and stiffening plates 6 are set at both ends of the slot.
[0019] Reference Figure 3 According to the specifications of the rod 8 that is not squeezed out by the bolt hole wall, determine the specifications of the equal-length reinforcement angle steel 13 and the inner angle steel 12, the dimensions of the third outer plate 7 and the fourth outer plate 10, and the lengths of the replacement bolts 9 and the clamping bolts 11; the equal-length reinforcement angle steel 13 is equal to the rod 8 that is not squeezed out by the bolt hole wall. During installation, remove the existing bolts one by one, install the equal-length reinforcement angle steel 13 and then install the replacement bolts 9. The inner angle steel 12 that is set at intervals and the fastening structure formed by welding the vertical third outer plate 7 and the horizontal fourth outer plate 10 into a right angle connect and fix the equal-length reinforcement angle steel 13 to the rod 8 that is not squeezed out by the bolt hole wall. The spacing between the inner angle steels 12 that are set at intervals and the fastening structures shall not exceed 0.5 meters.
[0020] Reference Figure 4 According to the insufficient bearing capacity of the main material rod 19, the specifications of the main material reinforcement angle steel 17, the size of the sixth vertical external plate 16 and the fifth vertical external plate 14 in front of the sixth external plate 16 and the seventh vertical external plate 18 behind, and the length of the main material fixing bolt 15 are determined. The specifications of the main material reinforcement angle steel 17 are at most the same as those of the main material rod 19, and the sixth vertical external plate 16 and the fifth vertical external plate 14 in front of the sixth external plate 16 and the seventh vertical external plate 18 behind are welded to form a reinforced external plate structure. After the reinforcement structural components are produced in the factory, they are installed on site. During installation, a main material reinforcement angle steel 17 is arranged on the outside of the main material rod 19 to form a double-jointed cross-shaped combined section with the main material rod 19. The main material rod 19 and the main material reinforcement angle steel 17 are connected to the reinforced external plate structure by the main material inner angle steel 20 arranged at intervals and fixed by the main material fixing bolts 15 to ensure that the main material reinforcement angle steel 17 and the main material rod 19 are subjected to force synergistically, and the spacing does not exceed 1.0 meter.
Claims
1. A comprehensive reinforced iron tower for power transmission, involving an oblique auxiliary material reinforcement structure, a bolt hole wall under-extrusion rod reinforcement structure and a main material reinforcement structure, characterized in that: The oblique auxiliary material reinforcement structure is a box-shaped section formed by an oblique auxiliary material reinforcement angle steel (1) of the same specification as the oblique auxiliary material rod (3), and is clamped and fixed by a clamping plate structure; The bolt hole wall insufficiently extruded rod member reinforcement structure is that an equal-length reinforcing angle steel (13) is closely arranged on the inner side of the bolt hole wall insufficiently extruded rod member (8), and a fastening structure is arranged at intervals on the outer side of the bolt hole wall insufficiently extruded rod member (8), and the equal-length reinforcing angle steel (13) is connected and fixed to the bolt hole wall insufficiently extruded rod member (8) and the fastening structure by replacing bolts (9); an inner angle steel (12) is arranged at intervals on the inner side of the equal-length reinforcing angle steel (13), and the inner angle steel (12) is fixedly connected to both sides of the fastening structure; The main material reinforcement structure is a main material reinforcement angle steel (17) arranged outside the main material rod (19) to form a double-jointed cross-shaped combined cross section with the main material rod (19); the main material rod (19) and the main material reinforcement angle steel (17) are connected and fixed to the reinforcement outer plate structure by the main material inner angle steel (20) arranged at intervals.
2. A comprehensive reinforcement iron tower for power transmission according to claim 1, characterized in that: A groove is formed at the interference portion between the diagonal auxiliary material reinforcement angle steel (1) and the diagonal auxiliary material connected to the diagonal auxiliary material rod (3), and stiffening plates (6) are provided at both ends of the groove.
3. The comprehensive reinforcement iron tower for power transmission according to claim 1, characterized in that: The clamping plate structure is formed by connecting two parallel outer plates (2), and the directions of the clamping plate structure are arranged in staggered directions.
4. The comprehensive reinforcement iron tower for power transmission according to claim 1, characterized in that: The fastening structure is formed by connecting a third outer plate (7) and a fourth outer plate (10), and is consistent with the shape of the rod.
5. The comprehensive reinforcement iron tower for power transmission according to claim 1, characterized in that: The reinforced outer plate structure is composed of a sixth vertical outer plate (16) and a fifth vertical outer plate (14) and a seventh vertical outer plate (18) corresponding to the sixth outer plate (16) in front and behind.