阅读说明：本技术 一种适用于开关柜框架的高强度型材 (High-strength profile suitable for switch cabinet frame ) 是由 李凌霄 李颖超 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种适用于开关柜框架的高强度型材,包括钢型材本体,钢型材本体的截面为矩形结构,钢型材本体位于长边的中心位置处开设有槽口,钢型材本体位于槽口处的上下两端分别对应设有向钢型材本体内部倾斜的过渡部一和过渡部二,过渡部一和过渡部二均与钢型材本体一体成型,过渡部一和过渡部二的顶端交叉使得钢型材本体为“闭合状态”,过渡部一和过渡部二之间通过榫卯结构连接在一起,过渡部二侧壁沿钢型材本体长度方向等间距开设有安装孔一,每相邻两个安装孔一之间均开设有安装孔二,本发明具有结构稳定性好,高强度,加工简单,经济实用和节能环保的优点外,提高了其抗拉伸、抗扭曲和负载能力,延长了使用寿命,也因而提高了工厂效益。(The invention discloses a high-strength section bar suitable for a switch cabinet frame, which comprises a steel section bar body, wherein the section of the steel section bar body is of a rectangular structure, a notch is formed in the center position of a long edge of the steel section bar body, a first transition part and a second transition part which are inclined towards the inside of the steel section bar body are respectively and correspondingly arranged at the upper end and the lower end of the steel section bar body at the notch, the first transition part and the second transition part are integrally formed with the steel section bar body, the top ends of the first transition part and the second transition part are crossed to enable the steel section bar body to be in a closed state, the first transition part and the second transition part are connected together through a tenon-and-mortise structure, first mounting holes are formed in the side wall of the second transition part at equal intervals along the length direction of the steel section bar body, and second mounting holes are formed between every two adjacent mounting holes, the tensile resistance, the twisting resistance and the load capacity of the composite material are improved, the service life is prolonged, and the factory benefit is improved.)

1. The utility model provides a high strength profile suitable for cubical switchboard frame, includes steel section bar body (1), its characterized in that: the section of the steel section bar body (1) is of a rectangular structure, a notch is formed in the center of the long side of the steel section bar body (1), the upper end and the lower end of the steel section body (1) at the notch are respectively and correspondingly provided with a first transition part (101) and a second transition part (102) which are inclined towards the interior of the steel section body (1), and the first transition part (101) and the second transition part (102) are integrally formed with the steel section body (1), the top ends of the first transition part (101) and the second transition part (102) are crossed to enable the steel section body (1) to be in a closed state, the first transition part (101) and the second transition part (102) are connected together through a mortise and tenon joint structure, and the side wall of the second transition part (102) is provided with a first mounting hole (2) at equal intervals along the length direction of the steel section body (1), and a second mounting hole (3) is formed between every two adjacent first mounting holes (2).

2. High strength profile suitable for a switchgear cabinet frame, according to claim 1, characterized in that: the steel section body (1) is a galvanized plate or an aluminum-coated zinc plate, and the steel section body (1) is a rectangular steel section formed by a steel plate rolling mill.

3. High strength profile suitable for a switchgear cabinet frame, according to claim 1, characterized in that: the thickness of the steel section body (1) is 1.5 mm.

4. High strength profile suitable for a switchgear cabinet frame, according to claim 1, characterized in that: the second transition parts (102) are arranged at equal intervals along the length direction of the steel section body (1), and the distance between the head and the tail of every two adjacent second transition parts (102) is 2-5 cm.

5. High strength profile suitable for a switchgear cabinet frame, according to claim 1, characterized in that: the included angles between the first transition part (101), the second transition part (102) and the side length of the steel section body (1) are respectively corresponding to a and b, the value of a is 140 degrees, and the value of b is 130 degrees.

6. High strength profile suitable for a switchgear cabinet frame, according to claim 1, characterized in that: the tenon fourth of twelve earthly branches structure includes along two (102) length direction of transition portion and equidistant spacing fix spacing lug (5) on two (102) tops of transition portion and along transition portion (101) length direction equidistant set up on transition portion (101) top and with bar draw-in groove (4) of spacing lug (5) looks adaptation.

7. High strength profile suitable for a switchgear cabinet frame, according to claim 6, characterized in that: the limiting convex block (5) is characterized in that the cross section formed by the fixing clamping rod and the fixing clamping block is mushroom-shaped, one end of the fixing clamping rod is fixed at the top end of the second transition part (102), the other end of the fixing clamping rod penetrates through the strip-shaped clamping groove (4) matched with the fixing clamping rod to be connected with the fixing clamping block, and the diameter of the fixing clamping block is larger than the width of the strip-shaped clamping groove (4).

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a high-strength section bar suitable for a switch cabinet frame.

Background

The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch circuit is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch gear is to open, close, control and protect the electric equipment in the process of generating, transmitting, distributing and converting electric energy of the power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

With the development of domestic power distribution technology, there are many steel profiles applied to switch cabinets, and the most common are C profiles and 8MF profiles. Wherein, C section bar package assembly simple structure, but rigidity and intensity after its equipment are all comparatively poor, lead to the cubical switchboard load capacity that its equipment was assembled to limited, life is shorter, especially uses in distribution disposable equipment back in a large number, and its stability and cabinet body intensity have not satisfied the switch board operation in-process. In addition, although the strength of the 8MF section is superior to that of the C section, the 8MF section is formed by rolling a hot-rolled steel plate, and needs to be processed by welding, polishing, pickling, phosphating, spraying and other processes, so that the manufacturing process is complex and is not beneficial to environmental protection.

Therefore, there is a need for a steel profile with high strength and simple processing to solve the above problems.

Disclosure of Invention

The present invention aims to provide a high strength profile suitable for a switchgear frame to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high strength profile suitable for cubical switchboard frame, includes the steel section body, the cross-section of steel section body is the rectangle structure, and the steel section body is located the central point department on long limit and has seted up the notch, the upper and lower both ends that the steel section body is located notch department correspond respectively and are equipped with transition portion one and transition portion two to the inside slope of steel section body, and transition portion one and transition portion two all with steel section body integrated into one piece, the top of transition portion one and transition portion two alternately makes the steel section body be "closed state", link together through tenon fourth of the twelve earthly branches structure between transition portion one and the transition portion two, and two lateral walls of transition portion have seted up mounting hole one along steel section body length direction equidistant, and have all seted up mounting hole two between per two adjacent mounting holes one.

Preferably, the steel section body is a galvanized plate or an aluminum-coated zinc plate, and the steel section body is a rectangular steel section formed by a steel plate rolling mill.

Preferably, the thickness of the steel profile body is 1.5 mm.

Preferably, the second transition parts are arranged at equal intervals along the length direction of the steel section body, and the distance between the head and the tail of each two adjacent second transition parts is 2-5 cm.

Preferably, the included angles between the first transition part and the second transition part and the side length of the steel profile body are respectively a and b, the value of a is 140 degrees, and the value of b is 130 degrees.

Preferably, the tenon fourth of twelve earthly branches structure includes along two length direction of transition portion and equidistant spacing fix the spacing lug on two tops of transition portion and along a length direction of transition portion equidistant spacing set up in a top of transition portion and with the bar draw-in groove of spacing lug looks adaptation.

Preferably, the limiting bump is mushroom-shaped in cross section and is composed of a fixing clamping rod and a fixing clamping block, one end of the fixing clamping rod is fixed to the top end of the second transition portion, the other end of the fixing clamping rod penetrates through a strip-shaped clamping groove matched with the fixing clamping rod to be connected with the fixing clamping block, and the diameter of the fixing clamping block is larger than the width of the strip-shaped clamping groove.

Compared with the prior art, the invention has the beneficial effects that:

(1) the section of the steel section body is of a rectangular structure, a notch is formed in the center of the long side of the steel section body, a first transition part and a second transition part which incline towards the inside of the steel section body are correspondingly arranged at the upper end and the lower end of the steel section body at the notch respectively, the first transition part and the second transition part are integrally formed with the steel section body, the top ends of the first transition part and the second transition part are crossed to enable the steel section body to be in a closed state, the first transition part and the second transition part are connected together through a tenon-and-mortise structure, the tenon-and-mortise structure comprises limiting lugs fixed on the top ends of the second transition parts at equal intervals along the length direction of the second transition parts and strip-shaped clamping grooves arranged on the top ends of the first transition parts at equal intervals along the length direction of the first transition parts and matched with the limiting lugs, the installation is simple, the structure is stable, and when force acts towards the inside of the steel section body, transition portion one and transition portion two, conflict each other, when the external action of effort to the steel section bar body, at this moment, can promote bar draw-in groove and spacing lug to hook each other through tenon fourth of twelve earthly branches structure, improved interconnect's between transition portion one and the transition portion stability, avoid transition portion one and transition portion two to take place the obscission to make the steel section bar body form confined rectangle structure, and then can improve the stretch-proofing and the antitorque song performance of whole section bar.

(2) The steel section body is a galvanized plate or an aluminum-coated zinc plate, and the steel section body is a rectangular steel section formed by a steel plate rolling mill, so that the consistency of products is ensured, meanwhile, the strength of the assembled switch cabinet body and the flatness of the cabinet body are greatly guaranteed, the switch cabinet is convenient to process, economical, practical, energy-saving and environment-friendly, the factory benefit is improved, and the production cost of the products is reduced.

(3) Aiming at the condition that the thickness of the existing C section bar or 8MF is 2.0mm or 2.5mm, the thickness of the steel section bar body provided by the invention can be 1.5mm, and meanwhile, the strength and the load capacity of the steel section bar body with the thickness of 1.5mm are respectively stronger than those of the C section bar and the 8MF section bar through experimental determination, so that the use of raw materials is reduced under the condition of ensuring higher strength, and the production cost of products is further reduced.

(4) According to the steps (2) and (3), the steel section provided by the invention has the advantages of simple processing, economy, practicability, energy conservation and environmental protection.

In conclusion, the steel section provided by the invention has the advantages of stable structure, high strength, simple processing, economy, practicability, energy conservation and environmental protection, and also improves the tensile resistance, the distortion resistance and the load capacity, thereby prolonging the service life, reducing the production cost of products and improving the factory benefit.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is a sectional view of the structure at a in fig. 1.

In the figure: 1. a steel profile body; 101. a first transition part; 102. a second transition part; 2. a first mounting hole; 3. a second mounting hole; 4. a strip-shaped clamping groove; 5. and a limiting bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: a high-strength section bar suitable for a switch cabinet frame comprises a steel section bar body 1, the section of the steel section bar body 1 is of a rectangular structure, and the central position of the steel section body 1 at the long edge is provided with a notch, the upper end and the lower end of the steel section body 1 at the notch are respectively and correspondingly provided with a first transition part 101 and a second transition part 102 which incline towards the interior of the steel section body 1, the first transition part 101 and the second transition part 102 are integrally formed with the steel section body 1, the top ends of the first transition part 101 and the second transition part 102 are crossed to enable the steel section body 1 to be in a closed state, the strength and the load capacity of the steel section body 1 are improved, the first transition part 101 and the second transition part 102 are connected together through a mortise and tenon structure, and the side wall of the second transition part 102 is provided with mounting holes 2 at equal intervals along the length direction of the steel section body 1, and a mounting hole two 3 is formed between every two adjacent mounting holes 2.

Further, the steel section body 1 is a galvanized plate or an aluminum-coated zinc plate, and the steel section body 1 is a rectangular steel section formed by a steel plate rolling mill, so that the consistency of products is guaranteed, and meanwhile, the assembled switch cabinet is greatly guaranteed in terms of cabinet body strength and cabinet body flatness, and is convenient to process, economical, practical, energy-saving and environment-friendly, the factory benefit is improved, and the product cost is reduced.

Further, the thickness of the steel section body 1 is 1.5mm, and compared with the existing C section or 8MF which is 2.0mm or 2.5mm after being thick, when the thickness of the steel section body 1 in the embodiment is 1.5mm, the strength and the load capacity of the steel section body are stronger than those of the C section and the 8MF section through experimental determination, so that the use of raw materials is reduced, the manufacturing cost is reduced, and the effect of energy conservation is achieved.

Furthermore, the second transition parts 102 are arranged at equal intervals along the length direction of the steel section body 1, and the distance between the head and the tail of each two adjacent second transition parts 102 is 2-5cm, so that the use of raw materials of the whole steel section body 1 is reduced while the stability of strength is ensured, and an energy-saving effect is achieved.

Furthermore, the included angles between the first transition part 101 and the second transition part 102 and the side length of the steel profile body 1 are respectively corresponding to a and b, the value of a is 140 degrees, the value of b is 130 degrees, in order to ensure that the first transition part 101 and the second transition part 102 are in a vertical relation, when force acts on the inside of the steel profile body 1, the first transition part 101 and the second transition part 102 are mutually abutted, when force acts on the outside of the steel profile body 1, at the moment, the bar-shaped clamping groove 4 and the limiting convex block 5 can be promoted to be hooked with each other through the tenon-and-mortise structure, the stability of the mutual connection between the first transition part 101 and the second transition part 102 is improved, the falling-off phenomenon of the first transition part 101 and the second transition part 102 is avoided, the steel profile body 1 is enabled to form a closed rectangular structure, and the stretch resistance, distortion resistance and dynamic stability of the whole profile can be improved.

Furthermore, the mortise and tenon joint structure comprises a limiting lug 5 fixed on the top end of the second transition part 102 along the length direction of the second transition part 102 at equal intervals and a strip-shaped clamping groove 4 arranged on the top end of the first transition part 101 along the length direction of the first transition part 101 at equal intervals and matched with the limiting lug 5, and the mortise and tenon joint structure is simple to install and stable in structure.

Further, spacing lug 5 is the cross-section of compriseing fixing clip pole and fixing clip block and is the mushroom, just the one end of fixing clip pole is fixed on the top of transition portion two 102, and the other end passes the bar draw-in groove 4 rather than the looks adaptation and is connected with fixing clip block, fixing clip block's diameter is greater than bar draw-in groove 4's width, when preventing that steel section bar body 1 from receiving the effort for avoid taking place the obscission between transition portion one 101 and the transition portion 102, improved the stability of whole section bar structure.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.