Brake moving contact rod

Abstract

The utility model relates to the technical field of contact rods, in particular to a brake moving contact rod which comprises a conducting rod, the outer surface of the conducting rod is fixedly connected with an outer frame, the front end of the conducting rod is movably connected with a front clamping device, the rear end of the conducting rod is movably connected with a rear clamping device, and the rear clamping device and the front clamping device are identical in structure. The rear clamping device and the front clamping device are both located in the outer frame, the rear clamping device and the front clamping device are jointly connected with a contact piece, and the right end of the contact piece is fixedly connected with a conductive arm. According to the brake moving contact rod provided by the utility model, the first arc-shaped parts are arranged on the plurality of clamping pieces, so that the contact piece can be clamped into the first arc-shaped parts, and the elastic effect of the second spring is matched, so that the clamping stability can be improved, and the contact piece is not easy to slip between the rear clamping device and the front clamping device.

Description

Technical Field

[0001] The utility model relates to the technical field of movable contact rods, in particular to a braking movable contact rod. Background Art

[0002] Double-column and V-shaped central-break disconnectors are widely used in high-voltage power grids. Their basic structure consists of four parts: conduction, insulation, transmission, and operation. The conduction part is the core component of the high-voltage disconnector, and its structure directly affects its performance. The conduction part consists of a terminal block, a conductive arm, and a terminal block assembly. Contacts and fingers are mounted on the ends of the two conductive arms. When the disconnector is actuated, the contacts and fingers rotate with the conductive arms to open or close the circuit. Patent No. CN217902990U discloses a grid-type contact finger system for a high-voltage disconnector. The system includes a conductive rod, a conductive arm, a contact, front and rear contact fingers, a rain shield, a fixing block, and a front spring base. The clamping strip in this patent, when in contact with the contact, is flat, causing the contact to slide between the two strips. Therefore, we have introduced a brake movable contact rod. Utility Model Content

[0003] The main purpose of the utility model is to provide a braking movable contact rod, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A braking moving contact rod includes a conductive rod, the outer surface of the conductive rod is fixedly connected to an outer frame, the front end of the conductive rod is movably connected to a front clamping device, and the rear end of the conductive rod is movably connected to a rear clamping device. The rear clamping device and the front clamping device have the same structure, and the rear clamping device and the front clamping device are both located in the outer frame. The rear clamping device and the front clamping device are commonly connected to a contact piece, and the right end of the contact piece is fixedly connected to a conductive arm.

[0006] Preferably, the front clamping device includes a connecting seat, the front upper part and the front lower part of the connecting seat are both movably connected with nuts, the right end of the connecting seat is opened with a slot, the inner wall of the slot is fixedly connected with a connecting rod, the middle part of the outer surface of the connecting rod is inserted with a sleeve movably connected, the outer surface of the sleeve is fixedly connected with a clamping plate, several of the clamping plates are provided with a first arc portion in the middle part, and several of the clamping plates are provided with a second arc portion at the end away from the sleeve.

[0007] Preferably, two threaded holes are formed at the front end and the rear end of the conductive rod.

[0008] Preferably, both nuts pass through the connecting seat and are threadedly connected to the conductive rod.

[0009] Preferably, two No. 2 springs are fixedly connected to the front inner wall of the outer frame, and the ends of the two No. 2 springs away from the outer frame are commonly fixedly connected to a No. 2 connecting plate, and two No. 1 springs are fixedly connected to the rear inner wall of the outer frame, and the ends of the two No. 1 springs away from the outer frame are commonly fixedly connected to a No. 1 connecting plate.

[0010] Preferably, the No. 2 connecting plate is fixedly connected to a plurality of clamping plates, and the No. 1 connecting plate is fixedly connected to the rear clamping device.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] By setting a front clamping device, the connecting seat is connected to the conductive rod through a nut, so that the sleeve and several clamping pieces are not in contact with the conductive rod. Under the action of two No. 2 springs, several clamping pieces will be squeezed toward the position of the conductive rod, so that when the contact piece is inserted into the rear clamping device and the front clamping device, the several clamping pieces on the rear clamping device and the front clamping device will clamp the contact piece at the same time. By setting a first arc-shaped portion on several clamping pieces, the contact piece can be stuck in the first arc-shaped portion, and combined with the elastic action of the No. 2 spring, the stability of the clamping can be improved, so that the contact piece is not easy to slip out from between the rear clamping device and the front clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a brake moving contact rod of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall structure of a conductive rod of a brake moving contact rod of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of a front clamping device for a brake moving contact rod of the utility model;

[0016] Figure 4 This is a schematic diagram of the overall structure of the outer frame of a brake moving contact rod of the utility model.

[0017] In the figure: 1. conductive rod; 2. contact member; 3. rear clamping device; 4. conductive arm; 5. front clamping device; 6. outer frame; 11. threaded hole; 51. connecting seat; 52. nut; 53. notch; 54. connecting rod; 55. first arc-shaped portion; 56. second arc-shaped portion; 57. clamping piece; 58. sleeve; 61. No. 1 spring; 62. No. 1 connecting plate; 63. No. 2 spring; 64. No. 2 connecting plate. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A braking moving contact rod includes a conductive rod 1, the outer surface of the conductive rod 1 is fixedly connected to an outer frame 6, the front end of the conductive rod 1 is movably connected to a front clamping device 5, and the rear end of the conductive rod 1 is movably connected to a rear clamping device 3. The rear clamping device 3 and the front clamping device 5 have the same structure, and the rear clamping device 3 and the front clamping device 5 are both located in the outer frame 6. The rear clamping device 3 and the front clamping device 5 are commonly connected to a contact piece 2, and the right end of the contact piece 2 is fixedly connected to a conductive arm 4.

[0023] In this embodiment, the front clamping device 5 includes a connecting seat 51, and nuts 52 are inserted and movably connected to the upper front end and the lower front end of the connecting seat 51. A slot 53 is opened at the right end of the connecting seat 51, and a connecting rod 54 is fixedly connected to the inner wall of the slot 53. A sleeve 58 is inserted and movably connected to the middle part of the outer surface of the connecting rod 54, and a clamping piece 57 is fixedly connected to the outer surface of the sleeve 58. A first arc portion 55 is provided in the middle part of several clamping pieces 57, and a second arc portion 56 is provided at the end of several clamping pieces 57 away from the sleeve 58; two threaded holes 11 are opened at the front and rear end of the conductive rod 1; two nuts 52 are threadedly connected to the conductive rod 1 through the connecting seat 51.

[0024] In this embodiment, two No. 2 springs 63 are fixedly connected to the front inner wall of the outer frame 6, and the ends of the two No. 2 springs 63 away from the outer frame 6 are commonly fixedly connected to the No. 2 connecting plate 64, and two No. 1 springs 61 are fixedly connected to the rear inner wall of the outer frame 6, and the ends of the two No. 1 springs 61 away from the outer frame 6 are commonly fixedly connected to the No. 1 connecting plate 62; the No. 2 connecting plate 64 is fixedly connected to several clamping plates 57, and the No. 1 connecting plate 62 is fixedly connected to the rear clamping device 3.

[0025] It should be noted that the present invention is a braking moving contact rod. During use, the connecting seat 51 is connected to the conductive rod 1 through the nut 52. The rear clamping device 3 is connected to the conductive rod 1 by this method. At this time, the sleeve 58 and the plurality of clamping pieces 57 on the rear clamping device 3 and the front clamping device 5 are not in contact with the conductive rod 1. Under the action of the two No. 2 springs 63 and the two No. 1 springs 61, the plurality of clamping pieces 57 will be squeezed toward the position of the conductive rod 1, so that when the contact member 2 is inserted into the rear clamping device 3 and the front clamping device 5, the plurality of clamping pieces 57 on the rear clamping device 3 and the front clamping device 5 will clamp the contact member 2 at the same time. By providing a first arc portion 55 on the plurality of clamping pieces 57, the contact member 2 can be stuck in the first arc portion 55. Combined with the elastic action of the No. 2 spring 63, the stability of the clamping can be improved, so that the contact member 2 is not easy to slip out from between the rear clamping device 3 and the front clamping device 5.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A brake movable contact rod, comprising a conductive rod (1), characterized in that: The outer surface of the conductive rod (1) is fixedly connected to an outer frame (6); the front end of the conductive rod (1) is movably connected to a front clamping device (5); the rear end of the conductive rod (1) is movably connected to a rear clamping device (3); the rear clamping device (3) and the front clamping device (5) have the same structure; the rear clamping device (3) and the front clamping device (5) are both located in the outer frame (6); the rear clamping device (3) and the front clamping device (5) are commonly connected to a contact member (2); the right end of the contact member (2) is fixedly connected to a conductive arm (4).

2. The brake moving contact rod according to claim 1, characterized in that: The front clamping device (5) includes a connecting seat (51), the front upper part and the front lower part of the connecting seat (51) are both inserted with a nut (52) for movably connecting, the right end of the connecting seat (51) is provided with a notch (53), the inner wall of the notch (53) is fixedly connected with a connecting rod (54), the middle part of the outer surface of the connecting rod (54) is inserted with a sleeve (58) for movably connecting, the outer surface of the sleeve (58) is fixedly connected with a clamping piece (57), the middle part of several clamping pieces (57) are each provided with a first arc portion (55), and the end of several clamping pieces (57) away from the sleeve (58) is each provided with a second arc portion (56).

3. The brake moving contact rod according to claim 1, characterized in that: The conductive rod (1) has two threaded holes (11) at the front and rear ends.

4. The brake moving contact rod according to claim 2, characterized in that: The two nuts (52) both pass through the connecting seat (51) and are threadedly connected to the conductive rod (1).

5. The brake moving contact rod according to claim 1, characterized in that: The front inner wall of the outer frame (6) is fixedly connected to two No. 2 springs (63), and one end of the two No. 2 springs (63) away from the outer frame (6) is fixedly connected to a No. 2 connecting plate (64). The rear inner wall of the outer frame (6) is fixedly connected to two No. 1 springs (61), and one end of the two No. 1 springs (61) away from the outer frame (6) is fixedly connected to a No. 1 connecting plate (62).

6. The brake movable contact rod according to claim 5, characterized in that: The second connecting plate (64) is fixedly connected to a plurality of clamping plates (57), and the first connecting plate (62) is fixedly connected to the rear clamping device (3).

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