Reinforced cross arm iron accessory for tension resistance of iron tower
By combining the internal and external corner guards with the screws, nuts, and rubber pads, the problem of insufficient performance of the crossarm under extreme conditions is solved, achieving efficient and economical installation and maintenance.
Patent Information
- Application Number
- CN202520181726.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-05
AI Technical Summary
Traditional crossarm designs are insufficient in tensile and bending resistance under extreme weather conditions and long-term loads, and are complex and costly to install, making them difficult to apply widely.
The "L"-shaped plate structure with internal and external corner guards fits tightly with the crossarm, and the combination design of screws, nuts and rubber pads enhances the rigidity and load-bearing capacity of the crossarm while simplifying the installation process.
It significantly improves the tensile and bending resistance of crossarms, simplifies installation steps, reduces costs, and increases installation efficiency.
Smart Images

Figure CN223853958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cross arm field, concretely is a kind of reinforcing cross arm iron accessory for iron tower strain. BACKGROUND
[0002] In power transmission and distribution systems, towers are critical structures that support power lines, and their stability and durability are of utmost importance. Cross arms, as an important component of towers, bear the important task of fixing and supporting conductors, lightning arresters and other components on the tower. However, the traditional design of cross arms may not be sufficient in terms of strain resistance and bending resistance when facing extreme weather conditions, long-term loads and possible accidental impacts.
[0003] In order to improve the carrying capacity and stability of cross arms, the industry has been exploring various designs of reinforcing cross arm iron accessories. These designs usually aim to improve the mechanical properties of cross arms by adding additional support structures or reinforcing materials. However, many existing designs have problems such as complex installation, high cost or difficult maintenance, which limit their widespread application.
[0004] Therefore, developing a reinforcing cross arm iron accessory that can effectively improve the strain resistance and bending resistance of cross arms, and is easy to install and maintain, has become the focus of current research. The present invention is based on this demand and aims to significantly improve the performance of cross arms through innovative structural design. SUMMARY
[0005] The utility model aims at providing a reinforcing cross arm iron accessory for iron tower strain to solve the problems raised in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reinforcing cross arm iron accessory for iron tower strain, comprising a cross arm, a female corner guard plate is inserted into the inner side of the cross arm, a male corner guard plate is sleeved on the outer side of the cross arm, the female corner guard plate and the male corner guard plate are both fixed on the surface of a connecting plate, a threaded rod is inserted into the surface of the connecting plate, one end of the threaded rod is fixed on the surface of the cross arm, the other end of the threaded rod is sleeved with a nut one.
[0007] Preferably, the female corner guard plate and the male corner guard plate are both "L" shaped plate structures, and the plate length of the female corner guard plate and the male corner guard plate is equal to the plate length of the cross arm.
[0008] Preferably, the connecting plate is "L" shaped plate structure, and the surface of the connecting plate is provided with a through hole, and the threaded rod penetrates through the through hole.
[0009] Preferably, the surface of the connecting plate is fixed with a rubber pad, the rubber pad is annular plate structure, the nut one is locked behind the rod body of the threaded rod, and the nut one clamps the rubber pad to produce elastic deformation.
[0010] Preferably, the surface of the female corner guard and the male corner guard is fixed with an elastic traction piece, the elastic traction piece is in the form of an L-shaped plate structure, one end of the elastic traction piece is fixed with a clamping strip, the clamping strip is in the form of a right-angled trapezoidal strip, and the clamping strip is blocked on one side of the cross arm.
[0011] Preferably, the male corner guard and one end of the cross arm are fixed with threaded half columns, the two threaded half columns are combined to form a threaded connecting stud, and the threaded connecting stud is sleeved with a nut two.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The reinforcing cross arm iron accessory for a tower is provided by the utility model, the L-shaped plate structure design of the female corner guard and the male corner guard and the close cooperation of the female corner guard and the male corner guard with the cross arm significantly enhance the rigidity and the carrying capacity of the cross arm. The design not only improves the stability of the cross arm under the action of tension, but also enhances the resistance of the cross arm under bending load. The cooperation of the screw rod and the nut one and the elastic clamping effect of the rubber pad realize the quick and firm connection between the cross arm and the connecting plate. The design simplifies the installation steps, reduces the installation cost and improves the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a structural schematic view of the utility model; Figure 1 It is an enlarged schematic view of structure at A in the utility model;
[0016] Figure 3 It is a structural schematic view of the connection between the cross arm and the connecting plate of the utility model;
[0017] Figure 4 It is a structural schematic view of the connection between the male corner guard and the connecting plate of the utility model;
[0018] Figure 5 It is a structural schematic view of the cross arm of the utility model.
[0019] In the drawing: cross arm 1, female corner guard 2, male corner guard 3, connecting plate 4, through hole 5, screw rod 6, rubber pad 7, nut one 8, elastic traction piece 9, clamping strip 10, threaded half column 11 and nut two 12. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme of the utility model, carry out clearly, complete description, and the advantage is more clear and clear, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor, belong to the scope of the utility model protection.
[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of reinforcing type cross arm iron accessory for tower strain, including cross arm 1, the inside of cross arm 1 is inserted with female corner guard plate 2, the outside of cross arm 1 is equipped with male corner guard plate 3, female corner guard plate 2 and male corner guard plate 3 are all "L" shape plate structure, the board length of female corner guard plate 2 and male corner guard plate 3 is equal to the board length of cross arm 1, female corner guard plate 2 and male corner guard plate 3 are all fixed on the surface of connecting plate 4, the surface of connecting plate 4 is inserted with screw rod 6, one end of screw rod 6 is fixed on the surface of cross arm 1, the other end of screw rod 6 is equipped with nut one 8, connecting plate 4 is "L" shape plate structure, perforation 5 is set on the surface of connecting plate 4, screw rod 6 penetrates perforation 5;Rubber pad 7 is fixed on the surface of connecting plate 4, rubber pad 7 is annular plate structure, nut one 8 is locked behind the stem of screw rod 6, nut one 8 clamps rubber pad 7 and generates elastic deformation.
[0022] Cross arm 1 is inserted into the gap between female corner guard plate 2 and male corner guard plate 3, until cross arm 1 is against the side of connecting plate 4, at this time, screw rod 6 penetrates perforation 5, nut one 8 is screwed behind the stem of screw rod 6 and locked, nut one 8 clamps rubber pad 7, to prevent nut one 8 and screw rod 6 between loosening;After female corner guard plate 2 and male corner guard plate 3 are installed on cross arm 1, the strain and bending resistance of cross arm 1 are improved.
[0023] The surface of female corner guard plate 2 and male corner guard plate 3 is all fixed with elastic traction piece 9, elastic traction piece 9 is "L" shape plate structure, one end of elastic traction piece 9 is fixed with clamping strip 10, clamping strip 10 is right-angled trapezoidal strip, clamping strip 10 is blocked on the side of cross arm 1;The one end of male corner guard plate 3 and cross arm 1 is all fixed with threaded half column 11, two threaded half columns 11 are spliced into threaded connection screw post, and nut two 12 is screwed on the screw post.When female corner guard plate 2 and male corner guard plate 3 are installed on cross arm 1, two clamping strips 10 are blocked on the side of cross arm 1, even if nut one 8 loosens, due to the traction of clamping strip 10 and elastic traction piece 9, female corner guard plate 2 and male corner guard plate 3 are still limited on cross arm 1, and nut two 12 is screwed on two threaded half columns 11, to reinforce the firmness of female corner guard plate 2 and male corner guard plate 3 installed on cross arm 1.
[0024] The use process is arranged as follows in detail:
[0025] The female corner guard 2 is inserted into the inner side of the cross arm 1, ensuring that the "L" shaped structure fits the contour of the cross arm 1. At this time, the male corner guard 3 is sleeved on the outer side of the cross arm 1, also ensuring that the "L" shaped structure fits. The positions of the female corner guard 2 and the male corner guard 3 are adjusted so that their plate lengths are consistent with the plate length of the cross arm 1. And one end of the cross arm 1 is abutted against one side of the connecting plate 4. The screw rod 6 is passed through the through hole 5 of the connecting plate 4 and is fixed on the surface of the cross arm 1. A rubber pad 7 is sleeved on the other end of the screw rod 6, then a nut 8 is screwed and locked. It is confirmed that the surfaces of the female corner guard 2 and the male corner guard 3 have been fixed with the elastic traction piece 9. It is checked whether the clamping strips 10 are firmly fixed at one end of the elastic traction piece 9 and are in the shape of a right-angled trapezoidal strip. The two clamping strips 10 are respectively blocked on the two sides of the cross arm 1, ensuring that they play a limiting role. The nut 12 is sleeved on the stud and is screwed and fastened to reinforce the installation of the female corner guard 2 and the male corner guard 3 on the cross arm 1.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A reinforced cross arm iron fitting for a tower strain, comprising a cross arm (1), characterized in that: The inner side of the cross arm (1) is inserted with the female corner guard (2), the outer side of the cross arm (1) is sleeved with the male corner guard (3), the female corner guard (2) and the male corner guard (3) are fixed on the surface of the connecting plate (4), the surface of the connecting plate (4) is inserted with the screw rod (6), one end of the screw rod (6) is fixed on the surface of the cross arm (1), the other end of the screw rod (6) is sleeved with the nut (8).
2. A reinforced cross arm iron fitting for a tower strain according to claim 1, characterized in that: The female corner guard (2) and the male corner guard (3) are both "L" shaped plate structure, the plate length of the female corner guard (2) and the male corner guard (3) is equal to the plate length of the cross arm (1).
3. A reinforced cross arm iron fitting for a tower strain according to claim 1, characterized in that: The connecting plate (4) is "L" shaped plate structure, the surface of the connecting plate (4) is provided with the through hole (5), the screw rod (6) penetrates the through hole (5).
4. A reinforced cross arm iron fitting for a tower tension according to claim 1, characterized in that: The surface of the connecting plate (4) is fixed with the rubber pad (7), the rubber pad (7) is annular plate structure, the nut (8) is locked behind the rod body of the screw rod (6), the nut (8) clamps the rubber pad (7) to produce elastic deformation.
5. A reinforced cross arm iron fitting for a tower tension according to claim 1, characterized in that: The surface of the female corner guard (2) and the male corner guard (3) is fixed with the elastic traction piece (9), the elastic traction piece (9) is "L" shaped plate structure, one end of the elastic traction piece (9) is fixed with the clamping strip (10), the clamping strip (10) is right angle trapezoidal strip, the clamping strip (10) is blocked on one side of the cross arm (1).
6. A reinforced cross arm iron fitting for a tower tension according to claim 1, characterized in that: The male corner guard (3) and one end of the cross arm (1) are both fixed with the threaded half column (11), two threaded half columns (11) are spliced to form the threaded connecting screw column, the screw column is sleeved with the nut (12).