Tension-resistant cross arm structure for electric power iron tower frame
By introducing a combination of side beams, reinforcing plates, and anti-compression ribs into the tension crossarm structure, a stable triangular connection is formed, which solves the problem of insufficient bottom stability of the tension crossarm structure, enhances the stability and load-bearing capacity of the power tower, and avoids the risk of crossarm tilting and line breakage.
Patent Information
- Application Number
- CN202423295092.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
After the tension crossarm structure is installed on the upper part of the power tower, the bottom is not firm enough and cannot effectively withstand the line tension, which causes the crossarm to tilt, affecting the system stability and potentially damaging the tension of the power line.
A combination structure consisting of side beams, a first reinforcing plate, a second reinforcing plate, a first compressive rib, a second compressive rib, and a reinforcing plate is adopted to form a stable triangular connection, which enhances the connection between the tension crossbeam and the side beam. The load is distributed evenly by using U-shaped frames, reinforcing rods, and locking plates.
It improves the stability and load-bearing capacity of the tension crossarm structure, enabling it to better withstand tension and compression, avoid stress concentration, and enhance the stability and safety of power lines.
Smart Images
Figure CN223753793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power iron tower technology field especially relates to a strain cross arm structure for power iron tower. BACKGROUND
[0002] The strain cross arm structure of the power iron tower is a key component for bearing and fixing the power conductor in the power transmission line, especially plays a very important role in the high-voltage and super-high-voltage transmission line, usually, the strain cross arm structure is installed on the upper part of the power iron tower, is used to connect the main frame of the iron tower, and keeps the stable operation of the power line by bearing the weight and tension of the conductor, and the strain cross arm structure also satisfies the safety requirements of wind resistance, ice resistance and shock resistance.
[0003] When the strain cross arm bottom is not firm enough after being installed on the upper part of the power iron tower, the structure can not bear the vertical and horizontal force from the line tension, resulting in the inclination of the cross arm, which not only affects the stability of the whole system, but also can destroy the tension of the power line, and even cause the line to break, therefore, a strain cross arm structure for power iron tower is designed. SUMMARY
[0004] The utility model discloses a strain cross arm structure for power iron tower, to solve the inclination of the cross arm in the background art, which not only affects the stability of the whole system, but also can destroy the tension of the power line.
[0005] To achieve the above object, the utility model provides the following technical scheme: a strain cross arm structure for power iron tower, including strain cross arm spare, one side of strain cross arm spare is provided with side beam, the bottom of strain cross arm spare is provided with U type frame, the bottom of strain cross arm spare is provided with first reinforcing plate, one side of side beam is provided with second reinforcing plate, the inside of second reinforcing plate is provided with first compression bar, one end of first compression bar is provided with second compression bar, and both sides of second compression bar are provided with reinforcing plate.
[0006] As a preferred technical scheme of the utility model, the inside of the U-shaped frame is provided with a reinforcing rod, one side of the first reinforcing plate is fixedly connected with one side of the side beam.
[0007] As a preferred technical scheme of the utility model, the other side of the first reinforcing plate is fixedly connected with the bottom of the strain cross arm piece, and the first reinforcing plate is sleeved on one end of the reinforcing rod.
[0008] As a preferred technical scheme of the utility model, one side of the second reinforcing plate is fixedly connected with the bottom of the strain cross arm piece, and one end of the second compression bar is fixedly connected with one side of the first reinforcing plate.
[0009] As a preferred technical scheme of the utility model, one end of the second compression-resistant rib is fixedly sleeved with a lock sleeve, and the top of each of the two reinforcing plates is provided with a lock plate.
[0010] As a preferred technical scheme of the utility model, one end of the second compression-resistant rib is fixedly sleeved with a lock sleeve, and the top of each of the two reinforcing plates is provided with a lock plate.
[0011] As a preferred technical scheme of the utility model, the two reinforcing plates are arranged correspondingly.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、the utility model discloses a side beam, first reinforcing plate, second reinforcing plate, first compression-resistant rib, second compression-resistant rib and reinforcing plate are set up, and the two sides of the first reinforcing plate and the second reinforcing plate are fixed with the strain cross arm and the side beam respectively, the first reinforcing plate is connected with the second reinforcing plate through the first compression-resistant rib and the second compression-resistant rib, the firmness of the two connections is guaranteed, the two reinforcing plates are distributed on the two sides of the second compression-resistant rib, and the bottom of the reinforcing plate is fixed with the side of the first reinforcing plate, the second compression-resistant rib, the first reinforcing plate and the reinforcing plate form a triangle, the triangle has stability, can effectively distribute external load, and the load can be transmitted to the support point through each angle and side, therefore, the tensile force and the pressure can be better borne, and the stability between the strain cross arm and the side beam is enhanced.
[0014] 2、the utility model discloses a U-shaped frame, reinforcing rod, lock sleeve and lock plate are set up, the first reinforcing plate is fixedly sleeved at one end of the reinforcing rod, and the two sides of the first reinforcing plate are fixed with the strain cross arm and the side beam respectively, the first reinforcing plate and the second reinforcing plate form a triangle with the strain cross arm and the side beam, the triangular structure can more evenly distribute load, can effectively disperse the force from different directions, avoids concentrated stress, can help the structure bear greater transverse and longitudinal pressure, and enhances the stability and carrying capacity of the strain cross arm structure. ACCURACY OF DRAWINGS
[0015] Figure 1 It is the front view structural schematic diagram of the utility model;
[0016] Figure 2 It is the front view structural schematic diagram of the utility model; Figure 1 It is the enlarged view of A place in the utility model;
[0017] Figure 3 It is the front view structural schematic diagram of the utility model;
[0018] Figure 4 It is the front view structural schematic diagram of the utility model.
[0019] In the figure: 1, the strain cross arm part; 2, the side beam; 3, the U-shaped frame; 4, the reinforcing rod; 5, the first reinforcing plate; 10, the second reinforcing plate; 11, the first compression bar; 12, the second compression bar; 13, the lock sleeve; 14, the lock plate; 15, the reinforcing plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides a kind of strain cross arm structure for electric power tower frame technical scheme:
[0022] Embodiment one:
[0023] As Figures 1-3 shown, a kind of strain cross arm structure for electric power tower frame, including strain cross arm part 1, the side beam 2 is arranged in the side of strain cross arm part 1, the U-shaped frame 3 is arranged in the bottom of strain cross arm part 1, the first reinforcing plate 5 is arranged in the bottom of strain cross arm part 1, the second reinforcing plate 10 is arranged in the side of side beam 2, the first compression bar 11 is arranged in the inside of second reinforcing plate 10, the second compression bar 12 is arranged in the one end of first compression bar 11, reinforcing plate 15 is arranged in the two sides of second compression bar 12, the bottom of reinforcing plate 15 is fixed with the side of first reinforcing plate 5, triangle is formed between second compression bar 12, first reinforcing plate 5 and reinforcing plate 15, triangle has stability, can effectively distribute external load, load can be transmitted to support point by each angle and side, so better withstand tensile force and pressure, the stability between strain cross arm part 1 and side beam 2 is enhanced.
[0024] Embodiment two:
[0025] On the basis of embodiment one, as Figure 1 and Figure 4As shown, one side of the second reinforcing plate 10 is fixedly connected with the bottom of the strain cross arm member 1, one end of the second compression-resistant rib 12 is fixedly connected with one side of the first reinforcing plate 5, one side of each of the two locking plates 14 is fixedly connected with two sides of the locking sleeve 13, the bottom of each of the two reinforcing plates 15 is fixedly connected with one side of the first reinforcing plate 5, by arranging the U-shaped bracket 3, the reinforcing rod 4, the locking sleeve 13 and the locking plate 14, the first reinforcing plate 5 is fixedly sleeved on one end of the reinforcing rod 4, and two sides of the first reinforcing plate 5 are fixed with the strain cross arm member 1 and the side beam 2 respectively, the first reinforcing plate 5 and the second reinforcing plate 10 form a triangle with the strain cross arm member 1 and the side beam 2, the triangular structure can more evenly distribute the load, can effectively disperse the force from different directions, and avoid concentrated stress.
[0026] Working principle: the strain cross arm structure of the power tower is a key component for bearing and fixing power conductors in power transmission lines, especially plays a very important role in high-voltage and extra-high-voltage transmission lines. Usually, the strain cross arm structure is installed at the upper part of the power tower, used to connect the main frame of the tower, and maintains the stable operation of the power line by bearing the weight and tension of the conductor. The strain cross arm structure also needs to meet the safety requirements of wind resistance, ice resistance and earthquake resistance. When the strain cross arm bottom is not firm enough after being installed at the upper part of the power tower, the structure may not be able to withstand the vertical and horizontal forces from the line tension, resulting in the inclination of the cross arm. This inclination not only affects the stability of the entire system, but also may damage the tension of the power line, and even cause the line to break. Therefore, a strain cross arm structure for a power tower is designed, two sides of the first reinforcing plate 5 and the second reinforcing plate 10 are fixed with one side of the strain cross arm member 1 and the side beam 2 respectively, the first reinforcing plate 5 and the second reinforcing plate 10 are connected through the first compression-resistant rib 11 and the second compression-resistant rib 12, ensuring the firmness of the connection between the two, two reinforcing plates 15 are distributed on two sides of the second compression-resistant rib 12, and the bottom of the reinforcing plate 15 is fixed with one side of the first reinforcing plate 5, a triangle is formed between the second compression-resistant rib 12, the first reinforcing plate 5 and the reinforcing plate 15, the triangle has stability and can effectively distribute external loads, the loads can be transmitted to the support points through each corner and side, so it can better withstand tension and pressure, and enhance the stability between the strain cross arm member 1 and the side beam 2. The first reinforcing plate 5 is fixedly sleeved on one end of the reinforcing rod 4, and two sides of the first reinforcing plate 5 are fixed with the strain cross arm member 1 and the side beam 2 respectively, the first reinforcing plate 5 and the second reinforcing plate 10 form a triangle with the strain cross arm member 1 and the side beam 2, the triangular structure can more evenly distribute the load, can effectively disperse the force from different directions, and avoid concentrated stress, which can help the structure withstand greater lateral and longitudinal pressure, and enhance the stability and carrying capacity of the strain cross arm structure.
[0027] In the description of the utility model, it is understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0028] In the utility model, unless another explicit provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element internal communication or two element's mutual action relation, unless another explicit limitation, for ordinary skilled in the art, can be according to specific circumstances to understand the specific meaning of the above-mentioned terms in the utility model.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A tension crossarm structure for power transmission towers, comprising a tension crossarm component (1), characterized in that: A side beam (2) is provided on one side of the tension crossbeam (1), a U-shaped frame (3) is provided at the bottom of the tension crossbeam (1), a first reinforcing plate (5) is provided at the bottom of the tension crossbeam (1), a second reinforcing plate (10) is provided on one side of the side beam (2), a first compressive rib (11) is provided inside the second reinforcing plate (10), a second compressive rib (12) is provided at one end of the first compressive rib (11), and reinforcing plates (15) are provided on both sides of the second compressive rib (12).
2. The tension crossarm structure for power transmission towers according to claim 1, characterized in that: The U-shaped frame (3) is equipped with a reinforcing rod (4) inside, and one side of the first reinforcing plate (5) is fixedly connected to one side of the side beam (2).
3. The tension crossarm structure for power transmission towers according to claim 2, characterized in that: The other side of the first reinforcing plate (5) is fixedly connected to the bottom of the tension crossbeam (1), and the first reinforcing plate (5) is sleeved on one end of the reinforcing rod (4).
4. The tension crossarm structure for power transmission towers according to claim 1, characterized in that: One side of the second reinforcing plate (10) is fixedly connected to the bottom of the tension crossbeam (1), and one end of the second anti-compression rib (12) is fixedly connected to one side of the first reinforcing plate (5).
5. A tension crossarm structure for power transmission towers according to claim 4, characterized in that: One end of the second anti-compression rib (12) is fixedly fitted with a locking sleeve (13), and the top of both reinforcing plates (15) is provided with a locking plate (14).
6. The tension crossarm structure for power transmission towers according to claim 5, characterized in that: One side of each of the two locking plates (14) is fixedly connected to both sides of the locking sleeve (13), and the bottom of each of the two reinforcing plates (15) is fixedly connected to one side of the first reinforcing plate (5).
7. A tension crossarm structure for power transmission towers according to claim 6, characterized in that: The two reinforcing plates (15) are positioned correspondingly.