CN212542299U

CN212542299U - Colliery supply current protection device

Info

Publication number: CN212542299U
Application number: CN202021739692.9U
Authority: CN
Inventors: 李星; 董晨阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-02-12
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a coal mine power supply current protection device, which comprises a device shell, a fixing frame, an overcurrent protector, a wire fixing plate and a fixing screw rod; the utility model discloses a device, including device shell, fixed screw, fixed line board, device shell, fixed buffer mechanism is equipped with the inlet wire in the central point department of device shell one side, the central point department of device shell opposite side is equipped with the outlet wire, the inside both sides fixed mounting of device shell has the mount, the positive both ends fixed mounting of mount has set screw, fixed screw extends to fixed mounting between the inside end of mount and has solid line board, the central point department of top and. The utility model discloses set up fixed buffer gear, fixed buffer gear will overflow the protector and fix inside the device shell, when receiving vibrations or striking, fixed buffer gear can cushion vibrations and the effort that the striking produced, avoids external force direct effect to lead to the fact the damage to overflow the protector on overflowing the protector.

Description

Colliery supply current protection device

Technical Field

The utility model relates to a colliery power supply technical field specifically is a colliery supply current protection device.

Background

The mine power supply system is formed by all levels of substation of the mine and distribution lines of all voltage levels, and two typical modes are generally adopted for the mine power supply system: the current protection device is used for ensuring the safety of the power supply system.

The existing coal mine power supply current protection device has the following defects:

1. when the existing coal mine power supply current protection device is used, the existing coal mine power supply current protection device is pulled by external force, and a wire is easily separated from an overcurrent protector, so that a circuit breaks down, and normal use is influenced.

2. When the existing coal mine power supply current protection device is subjected to vibration or external force impact, impact force is directly applied to the device, and the internal overcurrent protector of the device is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery supply current protection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine power supply current protection device comprises a device shell, a fixing frame, an overcurrent protector, a wire fixing plate and a fixing screw rod; the device comprises a device shell and is characterized in that a wire inlet is formed in the central position of one side of the device shell, a wire outlet is formed in the central position of the other side of the device shell, fixing frames are fixedly mounted on two sides of the inner portion of the device shell, fixing screws are fixedly mounted at two ends of the front side of each fixing frame, a wire fixing plate is fixedly mounted between the ends of the fixing screws extending to the inner portion of each fixing frame, a fixed buffering mechanism is arranged at the central position of the top and the inner bottom of the device shell, and an overcurrent protector is fixedly mounted between the fixed buffering mechanisms.

Preferably, fixed buffer gear includes fixed plate, buffer spring and fixing bolt, and the both ends fixed mounting of fixed plate has fixing bolt, and the top fixed mounting of fixed plate has the equidistant buffer spring of three groups, buffer spring's top and device shell fixed connection.

Preferably, one side of the wire fixing plate and one side of the inside of the fixing frame are provided with arc-shaped bayonets, and anti-slip pads are adhered to the inner side surfaces of the arc-shaped bayonets.

Preferably, one end of the fixing screw rod is fixedly provided with the screwing block, and the other end of the fixing screw rod is provided with the bearing seat.

Preferably, the shell door is fixedly installed at the top of the front face of the shell of the device through a hinge, and a lockset is arranged at the central position of the top of the surface of the shell door.

Preferably, a wire inlet interface is arranged at the top position of the front face of the overcurrent protector, a wire outlet interface is arranged at the bottom position of the front face of the overcurrent protector, wire fixing bolts are fixedly mounted inside the wire inlet interface and the wire outlet interface, and a knife switch is arranged at the central position of the front face of the overcurrent protector.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up mount, solidus board and clamping screw, when using, the inlet wire with appear through the mount inside, then twist and move clamping screw, clamping screw drives solidus board and removes and fix the wire inside the mount to can avoid the wire to break away from with overcurrent protector when receiving to drag.

2. The utility model discloses set up fixed buffer gear, fixed buffer gear will overflow the protector and fix inside the device shell, when receiving vibrations or striking, fixed buffer gear can cushion vibrations and the effort that the striking produced, avoids external force direct effect to lead to the fact the damage to overflow the protector on overflowing the protector.

Drawings

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

fig. 2 is a side view of the fixing frame of fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the present invention at a in fig. 2;

fig. 4 is an enlarged schematic view of the fixed buffering mechanism in fig. 1 according to the present invention.

In the figure: 1. a device housing; 101. a shell door; 102. a lock; 2. a wire inlet; 3. an outlet; 4. a fixed mount; 5. fixing a buffer mechanism; 501. a fixing plate; 502. a buffer spring; 503. fixing the bolt; 6. an overcurrent protector; 601. an incoming line interface; 602. an outgoing line interface; 603. a wire fixing bolt; 604. a knife switch; 7. a wire fixing plate; 8. fixing the screw rod; 801. twisting the block; 802. a bearing seat; 9. an arc bayonet; 10. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a coal mine power supply current protection device comprises a device shell 1, a fixing frame 4, an overcurrent protector 6, a wire fixing plate 7 and a fixing screw 8; the device comprises a device shell 1, a wire inlet 2 is arranged at the central position of one side of the device shell 1, the wire inlet 2 is convenient for leading in wires to the inside of the device, a wire outlet 3 is arranged at the central position of the other side of the device shell 1, the wire outlet 3 is convenient for leading out wires to the inside of the device, fixing frames 4 are welded at two sides of the inside of the device shell 1, fixing screws 8 are fixedly arranged at two front ends of the fixing frames 4 through thread structures, fixing wire fixing plates 7 are fixedly arranged between the ends of the fixing screws 8 extending to the inside of the fixing frames 4, the wires are led in and led out through the fixing frames 4 and then screwed on the fixing screws 8, the fixing screws 8 drive the fixing wire fixing plates 7 to move so as to fix the wires in the fixing frames 4 and avoid the wires from being separated from an overcurrent protector 6, fixed buffer mechanisms 5 are arranged at the central positions of the, the dismantlement installation of overcurrent protector 6 of being convenient for, when the device received striking or vibrations, fixed buffer gear 5 was transmitted to the effort that its produced, and fixed buffer gear 5 cushions the effort, avoids the effort direct effect to lead to the fact the damage to overcurrent protector 6 on overcurrent protector 6, and fixed mounting has overcurrent protector 6 between the fixed buffer gear 5, and overcurrent protector 6 protects the electric current.

Further, fixed buffer gear 5 includes fixed plate 501, buffer spring 502 and fixing bolt 503, there is fixing bolt 503 at the both ends of fixed plate 501 through helicitic texture fixed mounting, the top welding of fixed plate 501 has three equidistant buffer springs 502 of group, buffer spring 502's top and device shell 1 fixed connection, when overcurrent protector 6 is installed, can promote fixed plate 501 to compress buffer spring 502, then put into overcurrent protector 6, loosen fixed plate 501, it carries out fixed mounting to overcurrent protector 6 to promote fixed plate 501 card at overcurrent protector 6's top and bottom under buffer spring 502's effect, then it fixes overcurrent protector 6 to tighten fixing bolt 503, buffer spring 502 also can cushion the striking or the vibrations of external production simultaneously, can play fine guard action to overcurrent protector 6.

Further, one side of solidus board 7 and the inside one side of mount 4 are equipped with arc bayonet socket 9, and non slipping mat 10 has been pasted to the medial surface of arc bayonet socket 9, and when the wire passed through mount 4, the arc bayonet socket 9 of solidus board 7 and mount 4 can carry out the centre gripping with the wire and fix, and non slipping mat 10 increases the frictional force between arc bayonet socket 9 and the wire, guarantees that arc bayonet socket 9 can better fix the wire.

Furthermore, the one end welding of clamping screw 8 has wrong piece 801, and wrong piece 801 is convenient for twist clamping screw 8 and moves, and clamping screw 8's the other end is equipped with bearing frame 802, and clamping screw 8 passes through bearing frame 802 and solid line board 7 fixed connection, consequently can drive solid line board 7 and carry out the back-and-forth movement when twisting clamping screw 8.

Further, a shell door 101 is fixedly mounted at the top of the front face of the device shell 1 through a hinge, a lock 102 is arranged at the central position of the top of the surface of the shell door 101, the device shell 1 can be sealed through the shell door 101, the overcurrent protector 6 is protected, and the shell door 101 is locked through the lock 102.

Furthermore, a wire inlet interface 601 is arranged at the top position of the front face of the overcurrent protector 6, a wire outlet interface 602 is arranged at the bottom position of the front face of the overcurrent protector 6, a wire fixing bolt 603 is fixedly mounted inside the wire inlet interface 601 and the wire outlet interface 602 through a thread structure, a switch 604 is arranged at the central position of the front face of the overcurrent protector 6, the wire inlet is fixed inside the wire inlet interface 601 through the wire fixing bolt 603, the wire outlet is fixed inside the wire outlet interface 602 through the wire fixing bolt 603, and when an overcurrent phenomenon occurs, the switch 604 automatically trips to protect a circuit.

The working principle is as follows: during the use, the inlet wire is led into inside the device through inlet 2, then through mount 4, then the inlet wire passes through solidus bolt 603 and fixes inside inlet wire interface 601, it is inside leading-in to the device through outlet 3 to be qualified for the next round of competitions, it fixes inside interface 602 to be qualified for the next round of competitions through solidus bolt 603, then twist fixing screw 8 through twisting piece 801, fixing screw 8 drives solidus board 7 and removes, solidus board 7 and mount 4's arc bayonet 9 can carry out the centre gripping with the wire and fix, avoid wire and overcurrent protector 6 to break away from, then lock shell door 101 through tool to lock 102, when the overcurrent phenomenon appears in the circuit, plug 604 automatic tripping, protect the circuit.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a colliery supply current protection device which characterized in that: comprises a device shell (1), a fixing frame (4), an overcurrent protector (6), a wire fixing plate (7) and a fixing screw (8); the utility model discloses a device, including device shell (1), mount (4), fixed screw (8) extend to fixed mounting have line fixation board (7) between the inside end of mount (4), the central point department of top and interior bottom is equipped with fixed buffer gear (5), fixed mounting has overcurrent protector (6) between fixed buffer gear (5).

2. A coal mine supply current protection device as defined in claim 1, wherein: fixed buffer gear (5) include fixed plate (501), buffer spring (502) and fixing bolt (503), and the both ends fixed mounting of fixed plate (501) has fixing bolt (503), and the top fixed mounting of fixed plate (501) has three equidistant buffer spring (502) of group, the top and device shell (1) fixed connection of buffer spring (502).

3. A coal mine supply current protection device as defined in claim 1, wherein: an arc-shaped bayonet (9) is arranged on one side of the wire fixing plate (7) and one side of the interior of the fixing frame (4), and an anti-skid pad (10) is adhered to the inner side surface of the arc-shaped bayonet (9).

4. A coal mine supply current protection device as defined in claim 1, wherein: one end of the fixing screw rod (8) is fixedly provided with a screwing block (801), and the other end of the fixing screw rod (8) is provided with a bearing seat (802).

5. A coal mine supply current protection device as defined in claim 1, wherein: the device is characterized in that a shell door (101) is fixedly arranged at the top of the front surface of the shell (1) through a hinge, and a lockset (102) is arranged at the central position of the top of the surface of the shell door (101).

6. A coal mine supply current protection device as defined in claim 1, wherein: the overcurrent protector is characterized in that a wire inlet interface (601) is arranged at the position of the front top of the overcurrent protector (6), a wire outlet interface (602) is arranged at the position of the front bottom of the overcurrent protector (6), wire fixing bolts (603) are fixedly arranged inside the wire inlet interface (601) and the wire outlet interface (602), and a switch blade (604) is arranged at the position of the front center of the overcurrent protector (6).