CN219393315U - Shock-resistant structure of electric brake-separating hook and rocker arm and electric drop-out fuse - Google Patents

Abstract

An anti-vibration structure of an electric brake separating hook and a rocker arm, wherein rubber shock absorption pads are arranged on the left side and the right side of the bottom of the rocker arm; the left side and the right side of the front part of the brake separating hook base of the electric brake separating hook are provided with inwards convex limiting blocks. An electric drop-out fuse comprises an anti-vibration structure of an electric brake separating hook and a rocker arm, and further comprises a driving mechanism, an insulating push-pull rod, an electric push rod, a fusion tube and a rubber insulating support. The anti-vibration structure can prevent the whole electric brake separating hook from forming degree rotation in the process of back swing, ensures that the electric brake separating hook can only rotate in the degree range, and is convenient to reset in time. The electric brake separating hook can be prevented from vibrating when contacting with the rocker arm, and side effects of the rocker arm are prevented from being generated. The utility model has reasonable and simple structural design, reduces connecting parts, has good stability and occupies small space; meanwhile, when the electric brake-separating hook is disconnected, the rocker arm and the fusion tube keep rotating in the same radian, so that the hook body of the electric brake-separating hook is prevented from being separated from the O-shaped ring pull ring.

Description

An anti-seismic structure of an electric opening hook and a rocker arm and an electric drop-out fuse

technical field

The utility model relates to an electric drop-out fuse, in particular to an anti-seismic structure of an electric opening hook and a rocker arm and the electric drop-out fuse.

Background technique

A fuse is an overcurrent protection device. Widely used in high and low voltage power distribution systems, control systems and electrical equipment, as a short circuit or overcurrent protector. When the current exceeds the specified value, the heat generated by itself will fuse the fuse and disconnect the circuit. Among them, the electric drop-out fuse is an outdoor high-voltage protector, which is assembled on the high-voltage side of the distribution transformer or the pole line of the distribution line. It is used as short-circuit, overload protection, and opening and closing of the transformer and the line.

The current electric dropout fuse has the following problems:

Problem 1: The connection structure between the rocker arm and the electric opening hook is unstable, which causes vibration when the rocker arm and the electric opening hook are in contact, and the rotation angle of the electric opening hook is too large, which is inconvenient to reset in time.

Problem 2: The composition of the fuse tube, the rocker arm and the driving mechanism is complex, and the driving mechanism is inconvenient to directly drive the rocker arm to rotate, or the driving mechanism needs a large power to drive the rocker arm to rotate.

Based on this, the utility model proposes an anti-seismic structure of an electric opening hook and a rocker arm and an electric drop-out fuse.

Utility model content

In order to solve the above-mentioned problems in the prior art, the utility model provides an anti-seismic structure of an electric opening hook and a rocker arm and an electric drop-out fuse.

The technical scheme that the utility model solves its technical problem adopts is:

An anti-seismic structure of an electric trip hook and a rocker arm, including an electric trip hook 7 and a rocker arm 5; wherein:

The rocker arm 5 includes a rocker arm base 501 and a rocker arm rocker 502; the rocker arm base 501 is installed on the lower pile head 4, and the rocker arm rocker 502 is hinged on the rocker arm base 501; the rocker arm base 501 is a U-shaped structure, and the left and right sides of the top are provided with first hinge holes 503, and the left and right sides of the bottom are provided with rubber shock absorbers 504;

The electric opening hook 7 includes an opening hook base 701, an opening hook body 702 is installed on the top of the opening hook base 701, and an opening hook is installed on the top of the opening hook body 702; the left and right sides of the bottom of the opening hook base 701 are provided with second hinged holes 703, and the left and right sides of the front part of the opening hook base 701 are provided with convex limit blocks 704;

After the first hinge hole 503 and the second hinge hole 703 are aligned, they are hingedly connected by bolts.

An electric drop-out fuse, including an anti-seismic structure with an electric opening hook and a rocker arm, and also includes a driving mechanism 1, an insulating push-pull rod 3, an electric push rod 6, a melting tube 8, and a rubber insulating support 10; wherein:

The driving mechanism 1 includes a mounting plate 101, the rear portion of the mounting plate 101 is equipped with a motor 102, the output shaft of the motor 102 runs through the mounting plate 101 and is connected to the gear 103; Insulation push-pull rod 3 is installed at the tail of 4;

The end of the insulating push-pull rod 3 is connected to the rocker arm 5, and the rocker arm 5 is installed on the lower pile head 4. An electric push rod 6 is installed on one end of the rocker arm 5, and an electric opening hook 7 is installed on the top of the electric push rod 6. The hook body of the electric opening hook 7 extends into the inside of the O-ring pull ring 805 of the melting pipe 8;

An electric push rod 6 is installed on the rocker arm rocker 502 of the rocker arm 5;

The melting tube 8 includes a melting tube body 801, the melting tube body 801 is a hollow body structure, the top of the melting tube body 801 is provided with a moving contact 803, and the bottom is provided with a high-voltage terminal 804; the inside of the melting tube body 801 is provided with a fuse 802, and the top and bottom of the fuse 802 are respectively connected with the moving contact 803 and the high-voltage terminal 804; Item 502 on.

The utility model also has the following additional technical features:

As a further specific optimization of the technical solution of the utility model: the installation plate 101 of the drive mechanism 1 is installed on the installation base 2, and the installation base 2 is installed on the high-voltage wire rack.

As a further specific optimization of the technical scheme of the utility model: it also includes a lower pile head 4 and an upper pile head 9; the lower pile head 4 and the upper pile head 9 are installed on the high-voltage wire frame.

As a further specific optimization of the technical solution of the utility model: the fixed ends of the melting tube 8 and the rocker arm 5 are coaxially arranged, that is, the bottom of the melting tube 8 and the rocker arm 5 are installed on the rocker arm pendulum 502, the driving mechanism 1 drives the rocker arm 5 to rotate, and the rocker arm 5 drives the melting tube 8 to rotate around the same point.

Compared with the prior art, the utility model has the advantages that:

Advantage 1: The left and right sides of the front part of the opening hook base 701 are provided with convex limit blocks 704, which can prevent the electric opening hook 7 from forming a 360-degree rotation when reverberating, and ensure that the electric opening hook 7 can only rotate within the range of 180 degrees, which is convenient for timely reset. The bottom left and right sides of the rocker arm 5 are provided with rubber damping pads 504, which can prevent the electric tripping hook 7 from vibrating when in contact with the rocker arm 5, and prevent side effects of the arm from vibrating.

Advantage 2: The utility model effectively improves the poor stability of the existing driving mechanism. The gear 103 and the rack 104 form a mechanical transmission structure. The structure design is reasonable and simple, reducing the number of connecting parts. When disconnected, the rocker arm 5 and the melting tube 8 keep rotating in the same arc, so as to ensure that the hook body of the electric opening hook 7 will not break away from the O-ring pull ring 805 .

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other accompanying drawings can also be obtained according to these drawings without paying creative work.

Fig. 1 is the structure diagram of electric drop-out fuse of the present utility model;

Fig. 2 is a schematic diagram of the working state structure of the electric drop-out fuse of the present invention;

Fig. 3 is a schematic structural diagram of the disconnected state of the electric drop-out fuse of the present invention;

Fig. 4 is a structural schematic diagram of the drive mechanism 1 of the present utility model;

Fig. 5 is a structural schematic diagram of the rocker arm base 501 of the present invention;

Fig. 6 is a schematic structural diagram of the rocker arm pendulum 502 of the present invention;

Fig. 7 is the structural representation of fusion pipe 8 of the present utility model;

Fig. 8 is a structural schematic diagram of the movable contact 803 and the O-ring pull ring 805 of the present invention;

Fig. 9 is a schematic structural diagram of a high-voltage terminal 804 of the present invention;

Fig. 10 is a schematic structural diagram of the electric opening hook 7 of the present invention;

Fig. 11 is a schematic diagram of the installation structure of the electric opening hook 7 and the rocker arm 5 of the present invention.

Explanation of reference numerals: driving mechanism 1, installation base 2, insulating push-pull rod 3, lower pile head 4, rocker arm 5, electric push rod 6, electric opening hook 7, melting pipe 8, upper pile head 9, rubber insulating support 10.

Detailed ways

Exemplary embodiments of the utility model will be described in more detail below with reference to the accompanying drawings, these embodiments are for a more thorough understanding of the utility model, and can fully convey the scope of the utility model disclosure to those skilled in the art. While the drawings show exemplary embodiments of the disclosure, it should be understood that the invention is not limited to the embodiments set forth herein.

An anti-seismic structure of an electric trip hook and a rocker arm, including an electric trip hook 7 and a rocker arm 5; wherein:

The rocker arm 5 includes a rocker arm base 501 and a rocker arm rocker 502; the rocker arm base 501 is installed on the lower pile head 4, and the rocker arm rocker 502 is hinged on the rocker arm base 501; the rocker arm base 501 is a U-shaped structure, and the left and right sides of the top are provided with first hinge holes 503, and the left and right sides of the bottom are provided with rubber shock absorbers 504;

The electric opening hook 7 includes an opening hook base 701, an opening hook body 702 is installed on the top of the opening hook base 701, and an opening hook is installed on the top of the opening hook body 702; the left and right sides of the bottom of the opening hook base 701 are provided with second hinged holes 703, and the left and right sides of the front part of the opening hook base 701 are provided with convex limit blocks 704;

After the first hinge hole 503 and the second hinge hole 703 are aligned, they are hingedly connected by bolts.

The working principle of the anti-seismic structure of the electric opening hook and the rocker arm:

The left and right sides of the front part of the opening hook base 701 are provided with convex limit blocks 704, which can prevent the electric opening hook 7 from forming a 360-degree rotation when reverberating, and ensure that the electric opening hook 7 can only rotate within 180 degrees to facilitate timely reset. The bottom left and right sides of the rocker arm 5 are provided with rubber damping pads 504, which can prevent the electric tripping hook 7 from vibrating when in contact with the rocker arm 5, and prevent side effects of the arm from vibrating.

An electric drop-out fuse, including a driving mechanism 1, an insulating push-pull rod 3, a rocker arm 5, an electric push rod 6, an electric opening hook 7, a melting tube 8, and a rubber insulating support 10;

The installation plate 101 of the driving mechanism 1 is installed on the installation base 2, and the installation base 2 is installed on the high-voltage wire frame. The end of the insulating push-pull rod 3 is connected to the rocker arm 5, and the rocker arm 5 is installed on the lower pile head 4. An electric push rod 6 is installed on one end of the rocker arm 5, and an electric opening hook 7 is installed on the top of the electric push rod 6. The hook body of the electric opening hook 7 extends into the inside of the O-ring pull ring 805 of the melting pipe 8;

The electric drop-out fuse also includes a lower pile head 4 and an upper pile head 9; the lower pile head 4 and the upper pile head 9 are installed on the high-voltage wire frame.

The driving mechanism 1 includes a mounting plate 101, the rear portion of the mounting plate 101 is equipped with a motor 102, the output shaft of the motor 102 runs through the mounting plate 101 and is connected to the gear 103; The afterbody of 4 installs insulation push-pull rod 3.

The rocker arm 5 includes a rocker arm base 501 and a rocker arm rocker 502; the rocker arm base 501 is installed on the lower pile head 4, the rocker arm rocker 502 is hinged on the rocker arm base 501, and the rocker arm rocker 502 is equipped with an electric push rod 6.

The melting tube 8 includes a melting tube body 801, the melting tube body 801 is a hollow body structure, the top of the melting tube body 801 is provided with a moving contact 803, and the bottom is provided with a high-voltage terminal 804; the inside of the melting tube body 801 is provided with a fuse 802, and the top and bottom of the fuse 802 are respectively connected with the moving contact 803 and the high-voltage terminal 804; Item 502 on.

The fixed -end coaxial setting of the melting tube 8 and the rocker arms 5, that is, the Rocked arm ornament 502 is installed at the bottom of the melting tube 8 and the rocker arm 5. During disconnection, the rocker 5 and the melting tube 8 tube keep the same arc rotation, so as to ensure that the hook body of the electric bracket 7 will not be separated from the O -type ring 805.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and so on is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the utility model product is used. construction and operation, therefore, should not be construed as limiting the utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Claims (5)

1. An anti-seismic structure of an electric trip hook and a rocker arm, characterized in that: it includes an electric trip hook (7) and a rocker arm (5); wherein: The rocker arm (5) includes a rocker arm base (501) and a rocker arm rocker (502); the rocker arm base (501) is installed on the lower pile head (4), and the rocker arm rocker (502) is hinged on the rocker arm base (501); the rocker arm base (501) has a U-shaped structure, and first hinge holes (503) are arranged on the left and right sides of the top, and rubber shock absorbing pads (504) are arranged on the left and right sides of the bottom; The electric opening hook (7) includes an opening hook base (701), an opening hook body (702) is installed on the top of the opening hook base (701), and an opening hook is installed on the top of the opening hook body (702); the left and right sides of the bottom of the opening hook base (701) are provided with second hinged holes (703), and the left and right sides of the front of the opening hook base (701) are provided with convex limit blocks (704); After the first hinge hole (503) and the second hinge hole (703) are aligned, they are hingedly connected by bolts. 2. An electric drop-out fuse, comprising the anti-seismic structure of the electric opening hook and the rocker arm as claimed in claim 1, characterized in that: it also includes a driving mechanism (1), an insulating push-pull rod (3), an electric push rod (6), a melting tube (8), and a rubber insulating support (10); wherein: The drive mechanism (1) includes a mounting plate (101), the rear portion of the mounting plate (101) is equipped with a motor (102), the output shaft of the motor (102) runs through the mounting plate (101) and is connected to the gear (103); the front portion of the mounting plate (101) is equipped with a rack (104), and the two ends of the rack (104) are fixed by U-shaped fixing grooves (105). Sliding between the slots (105); the gear (103) and the rack (104) form a mechanical transmission structure; the tail of the rack (104) is equipped with an insulating push-pull rod (3); The end of the insulating push-pull rod (3) is connected to the rocking arm (5), and the rocking arm (5) is installed on the lower pile head (4). An electric push rod (6) is installed on one end of the rocking arm (5), and an electric opening hook (7) is installed on the top of the electric pushing rod (6). An electric push rod (6) is installed on the rocker arm rocker (502) of the rocker arm (5); The melting tube (8) includes a melting tube body (801), the melting tube body (801) has a hollow body structure, the top of the melting tube body (801) is provided with a moving contact (803), and the bottom is provided with a high-voltage terminal (804); the inside of the melting tube body (801) is provided with a fuse (802), and the top and bottom of the fuse (802) are respectively connected to the moving contact (803) and the high-voltage terminal (804); An O-ring pull ring (805) is provided outside the top of the fusion pipe (8), and a rocker rocker (502) is installed on the bottom of the fusion pipe (8). 3. An electric drop-out fuse according to claim 2, characterized in that: the installation plate (101) of the driving mechanism (1) is installed on the installation base (2), and the installation base (2) is installed on the high-voltage wire rack. 4. An electric drop-out fuse according to claim 3, characterized in that: it also includes a lower pile head (4) and an upper pile head (9); the lower pile head (4) and the upper pile head (9) are installed on the high-voltage electric wire frame. 5. An electric drop-out fuse according to claim 3, characterized in that: the fixed ends of the melting tube (8) and the rocker arm (5) are arranged coaxially, that is, the bottoms of the melting tube (8) and the rocker arm (5) are installed on the rocker arm pendulum (502), and the driving mechanism (1) drives the rocker arm (5) to rotate, and at the same time, the rocker arm (5) drives the melting tube (8) to rotate around the same point.