Energy storage crank arm of high-voltage load switch

Abstract

The utility model belongs to the field of electrical parts, and provides a high-voltage load switch energy storage crank arm which comprises a main body and a power rod. Wherein the main body forms a water-drop-shaped end face, a through spline hole is formed in the main body, and the spline hole is perpendicular to the end face and located at the large end of the end face; the power rod is vertically connected to the end face and spaced from the spline hole, and the power rod is located at the small end of the end face and integrally forged and formed with the body. The technical problem that the energy storage crank arm of the high-voltage load switch is easy to damage in the prior art can be solved.

Description

Technical Field

[0001] The present application belongs to the field of electrical components, and more specifically, to a high-voltage load switch energy storage crank arm. Background Art

[0002] The energy storage arm of the high-voltage load switch is an indispensable key component in the power system. Its design and performance are directly related to the operating efficiency and stability of the switch and the safe operation of the power system. During the operation of the high-voltage load switch, the energy storage arm undertakes the important task of storing and releasing energy to ensure that the switch can operate quickly and accurately when needed; traditional energy storage arms are usually manufactured using a combination of multiple parts. Although they have certain strength and durability, their structural design is often more complex, which not only has high manufacturing and maintenance costs, but also is prone to damage and breakage under long-term high-load operation. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a high-voltage load switch energy storage crank arm to solve the technical problem that the high-voltage load switch energy storage crank arm is easily damaged in the prior art.

[0004] To achieve the above purpose, the technical solution adopted in this application is: to provide a high-voltage load switch energy storage arm, including:

[0005] A main body, forming a teardrop-shaped end face, the main body is provided with a penetrating spline hole, the spline hole is perpendicular to the end face and is located at the large end of the end face;

[0006] A power rod is vertically connected to the end surface and spaced apart from the spline hole. The power rod is located at the small end of the end surface and is integrally forged with the main body.

[0007] Optionally, the main body extends into a column structure along a direction perpendicular to the end surface.

[0008] Optionally, the side wall of the main body is tangent to the side wall of the power rod.

[0009] Optionally, a side of the power rod close to the spline hole forms a longitudinal section parallel to the spline hole.

[0010] Optionally, the high-voltage load switch energy storage arm further includes a boss integrally forged on the main body, and the spline hole also passes through the boss.

[0011] Optionally, the cross-sectional shape of the boss is circular and is coaxial with the spline hole.

[0012] Optionally, a first shaft portion and a second shaft portion are coaxially connected at one end of the power rod away from the main body, and a radius of the second shaft portion is smaller than a radius of the first shaft portion.

[0013] Optionally, a center distance L between the power rod and the main body is within a range of 20 to 22 mm.

[0014] Optionally, the main body and the power rod are integrally quenched and tempered structures and have a Rockwell hardness within the range of HRC28-32.

[0015] The beneficial effect of the high-voltage load switch energy storage crank arm provided in the present application is that: compared with the prior art, in a high-voltage load switch energy storage crank arm provided in the present application, on the one hand, the main body forms a teardrop-shaped end face, and the spline hole arranged on the main body and the power rod connected to the main body are respectively connected to the large end and the small end of the end face, which can better adapt to the force distribution of the high-voltage load switch energy storage crank arm during operation, thereby avoiding damage to its structure; on the other hand, since the power rod and the main body are integrally forged, not only can the overall structure of the high-voltage load switch energy storage crank arm provided in the present application be made simpler, but also higher structural strength can be provided, thereby further avoiding structural damage, which is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the overall structure of the energy storage arm of the high-voltage load switch provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of the main structure of the energy storage arm of the high-voltage load switch provided in an embodiment of the present application;

[0019] Figure 3 A schematic diagram of the top view of the energy storage arm of the high-voltage load switch provided in an embodiment of the present application.

[0020] Among them, the reference numerals in the figures are: 101, main body; 102, end face; 103, spline hole; 104, power rod; 105, longitudinal section; 106, boss; 107, first shaft portion; 108, second shaft portion. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0022] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] Please also read Figures 1 to 3 Now, a high-voltage load switch energy storage crank arm provided by the embodiment of the present application is described. The high-voltage load switch energy storage crank arm includes a main body 101 and a power rod 104. Among them:

[0026] The main body 101 forms a teardrop-shaped end face 102, and a through spline hole 103 is provided on the main body 101. The spline hole 103 is perpendicular to the end face 102 and is located at the large end of the end face 102. The power rod 104 is vertically connected to the end face 102 and is spaced apart from the spline hole 103. The power rod 104 is located at the small end of the end face 102 and is forged integrally with the main body 101.

[0027] According to the above structure provided in the present embodiment, in a high-voltage load switch energy storage crank arm provided in the present embodiment, on the one hand, the main body 101 forms a teardrop-shaped end face 102, and the spline hole 103 provided on the main body 101 and the power rod 104 connected to the main body 101 are respectively connected to the large end and the small end of the end face 102, which can better adapt to the force distribution of the high-voltage load switch energy storage crank arm during operation, thereby avoiding damage to its structure; on the other hand, since the power rod 104 and the main body 101 are forged as one piece, not only can the overall structure of the high-voltage load switch energy storage crank arm provided in the present embodiment be made simpler, but also higher structural strength can be provided, thereby further avoiding structural damage, which is far superior to the prior art.

[0028] In another embodiment of the present application, please refer to Figures 1 to 3 The main body 101 extends into a columnar structure in a direction perpendicular to the end surface 102. According to the above structure provided in this embodiment, the main body 101 in a columnar structure can further improve the structural strength of the energy storage arm of the high-voltage load switch in this embodiment on the one hand, and can also make the overall structure of the energy storage arm of the high-voltage load switch provided in this embodiment more compact and have a more beautiful overall appearance on the other hand.

[0029] In another embodiment of the present application, please refer to Figures 1 to 3 , the side wall of the main body 101 is tangent to the side wall of the power rod 104. According to the above structure provided in this embodiment, the main body 101 and the power rod 104 can have better overall connectivity, which is conducive to further improving the structural strength of the energy storage crank arm of the high-voltage load switch in this embodiment and effectively avoiding its damage.

[0030] In another embodiment of the present application, please refer to Figures 1 to 3 , a longitudinal section 105 parallel to the spline hole 103 is formed on the side of the power rod 104 close to the spline hole 103. According to the above structure provided in this embodiment, the longitudinal section 105 provided on the power rod 104 can form a larger installation space on one side of the longitudinal section 105, so that the spline shaft (not shown in the figure) matched with the spline hole 103 in this embodiment can be installed more conveniently.

[0031] In another embodiment of the present application, please refer to Figures 1 to 3The high-voltage load switch energy storage crank arm also includes a boss 106 integrally forged on the main body 101, and the spline hole 103 also passes through the boss 106. According to the above structure provided in this embodiment, on the one hand, the boss 106 provided on the main body 101 can be used to increase the depth of the spline hole 103, which is conducive to more stably connecting the target structure connected to the high-voltage load switch energy storage crank arm in this embodiment through the spline hole 103 to the high-voltage load switch energy storage crank arm; on the other hand, the boss 106 can also be used to increase the structural strength of the high-voltage load switch energy storage crank arm provided in this embodiment and effectively avoid its damage.

[0032] In another embodiment of the present application, please refer to Figures 1 to 3 The cross-section of the boss 106 is circular and coaxial with the spline hole 103. According to the above structure provided in this embodiment, the boss 106 coaxially arranged with the spline hole 103 can further increase the structural strength of the high-voltage load switch energy storage arm provided in this embodiment and effectively avoid its damage.

[0033] In another embodiment of the present application, please refer to Figures 1 to 3 The end of the power rod 104 away from the main body 101 is coaxially connected with a first shaft portion 107 and a second shaft portion 108, and the radius of the second shaft portion 108 is smaller than the radius of the first shaft portion 107. According to the above structure provided in this embodiment, the power rod 104 can be more stably connected to the power spring driving the high-voltage load switch energy storage crank arm to operate through the first shaft portion 107 and the second shaft portion 108, and has a good connection effect.

[0034] In another embodiment of the present application, please refer to Figures 1 to 3 , the center distance L between the power rod 104 and the main body 101 is within the range of 20 to 22 mm. According to the above structure provided in this embodiment, setting the center distance L between the power rod 104 and the main body 101 within the range of 20 to 22 mm is conducive to further improving the structural strength of the high-voltage load switch energy storage crank arm provided in this embodiment and effectively avoiding its damage.

[0035] In another embodiment of the present application, please refer to Figures 1 to 3 The main body 101 and the power rod 104 are integrally quenched and tempered structures and have a Rockwell hardness within the range of HRC28 to 32. According to the above structure provided in this embodiment, the high-voltage load switch energy storage crank arm that has been integrally quenched and tempered can adjust the Rockwell hardness within the range of HRC28 to 32, which is beneficial to further improve the structural strength of the high-voltage load switch energy storage crank arm provided in this embodiment and effectively avoid its damage.

[0036] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A high voltage load switch energy storage crank arm, characterized in that: include: A main body (101) forms a teardrop-shaped end surface (102), the main body (101) is provided with a penetrating spline hole (103), the spline hole (103) is perpendicular to the end surface (102) and is located at the large end of the end surface (102); A power rod (104) is vertically connected to the end surface (102) and is spaced apart from the spline hole (103); the power rod (104) is located at the small end of the end surface (102) and is integrally forged with the main body (101).

2. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: The main body (101) extends in a direction perpendicular to the end surface (102) to form a columnar structure.

3. The high-voltage load switch energy storage crank arm according to claim 2, characterized in that: The side wall of the main body (101) is tangent to the side wall of the power rod (104).

4. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: A side of the power rod (104) close to the spline hole (103) forms a longitudinal section (105) parallel to the spline hole (103).

5. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: The high-voltage load switch energy storage crank arm further comprises a boss (106) integrally forged on the main body (101), and the spline hole (103) also passes through the boss (106).

6. The high-voltage load switch energy storage crank arm according to claim 5, characterized in that: The cross-sectional shape of the protruding column (106) is circular and is coaxial with the spline hole (103).

7. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: An end of the power rod (104) away from the main body (101) is coaxially connected to a first shaft portion (107) and a second shaft portion (108), and the radius of the second shaft portion (108) is smaller than the radius of the first shaft portion (107).

8. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: The center distance L between the power rod (104) and the main body (101) is within the range of 20 to 22 mm.

9. The high-voltage load switch energy storage crank arm according to claim 1, characterized in that: The main body (101) and the power rod (104) are integrally quenched and tempered structures and have a Rockwell hardness within the range of HRC28 to 32.

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