CN210575756U

CN210575756U - Novel main circuit breaker for railway locomotive

Info

Publication number: CN210575756U
Application number: CN201921938029.9U
Authority: CN
Inventors: 刘畅
Original assignee: Liaoning Railway Vocational and Technical College
Current assignee: Liaoning Railway Vocational and Technical College
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-05-19
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a novel main circuit breaker for railway locomotive, including the circuit breaker, the wiring end is all installed to both sides about the front of circuit breaker, torque spring has been cup jointed to the outer wall of round pin axle, torque spring's both ends of controlling respectively with recess and picture peg looks joint, the top of slot is equipped with the screens subassembly, the upper and lower both sides of circuit breaker all are equipped with the centre gripping subassembly. This novel main circuit breaker for railway locomotive, through the picture peg, the recess, torque spring, the cooperation of slot and screens subassembly, make the device can splice each other when the installation, and then reduce the installation degree of difficulty, shorten the installation time, and then promote greatly and use convenience and practicality, through the centre gripping subassembly, the cooperation of wiring end and circuit breaker, can connect to the external world and support tightly, prevent to connect the dislocation, can carry out the centre gripping simultaneously to the wire that the external world connects spacing, avoid the wire winding confusion, make things convenient for the maintenance and pull out and insert, and then make things convenient for people to use.

Description

Novel main circuit breaker for railway locomotive

Technical Field

The utility model relates to a novel main circuit breaker technical field for the railway locomotive specifically is a novel main circuit breaker for the railway locomotive.

Background

The main circuit breaker is a main switch used for switching on and off power supplies of the electric locomotive and the electric motor train unit, and can be rapidly switched off when faults such as short circuit, grounding and the like occur in a main circuit, so that a protection effect is achieved. The main circuit breaker generally adopts air circuit breaker at present, by the explosion chamber, isolator, parts such as control operating mechanism and compressed air supply system constitute, novel main circuit breaker for railway locomotive among the prior art, can not splice each other when the installation, and then increase the installation degree of difficulty, the extension installation time, and then greatly reduced uses convenience and practicality, and can not connect to the external world and support tightly, connect easy dislocation, can not carry out the centre gripping to the wire that the external world connects simultaneously spacing, make the wire winding confusion easily, inconvenient maintenance and pull out and insert, and then inconvenient people use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel main circuit breaker for railway locomotive to solve the novel main circuit breaker for railway locomotive among the prior art that proposes in the above-mentioned background art, can not splice each other when the installation, and then increase the installation degree of difficulty, extension installation time, and then greatly reduced uses convenience and practicality, and can not connect to external world and support tightly, connect and take off the position easily, can not carry out the centre gripping to the wire that external connected simultaneously spacing, make the wire winding confusion easily, inconvenient maintenance with pull out and insert, and then the problem that inconvenient people used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel main circuit breaker for railway locomotive, includes the circuit breaker, the wiring end is all installed to both sides about the front of circuit breaker, the warning light is installed in the front of circuit breaker, the equal rigid coupling in upper and lower both ends of circuit breaker has the connecting plate, there is the bolt in the front of connecting plate through-hole threaded connection, both ends are processed flutedly and slot respectively about the circuit breaker, the inner wall of recess rotates through the round pin axle and is connected with the picture peg, torque spring has been cup jointed to the outer wall of round pin axle, torque spring's both ends are respectively with recess and picture peg looks joint about, the top of slot is equipped with the screens subassembly, the upper and lower both sides of circuit breaker.

Preferably, the screens subassembly includes spout, fixture block, first compression spring, driving lever, erects groove and draw-in groove, the outer wall of fixture block and the inner wall top clearance fit of the slot through the spout, the inner wall top of spout and the top of fixture block are fixed continuous through first compression spring, the positive rigid coupling of fixture block has the driving lever, the outer wall of driving lever is through the positive clearance fit of erecting groove and circuit breaker, the right side of fixture block is equipped with the draw-in groove, the draw-in groove is processed in the top of picture peg.

Preferably, the fixture block is matched with the clamping groove in shape.

Preferably, the fixture block and the sliding groove form a sliding structure.

Preferably, the centre gripping subassembly includes threaded rod, diaphragm, nut, second compression spring, square plate and cutting ferrule, the inner of threaded rod respectively with the upper and lower both ends rigid coupling of circuit breaker together, the outer wall clearance fit of threaded rod has the diaphragm, the outer wall outside threaded connection of threaded rod has the nut, the outer wall of threaded rod has cup jointed second compression spring, the inside and outside both ends of second compression spring are fixed continuous with circuit breaker and diaphragm respectively, the front rigid coupling of diaphragm has a plurality of square plates, the front rigid coupling of square plate has the cutting ferrule.

Preferably, the clamping sleeve is arranged corresponding to the wiring end.

Compared with the prior art, the beneficial effects of the utility model are that: this novel main circuit breaker for railway locomotive, through the picture peg, the recess, torque spring, the cooperation of slot and screens subassembly, make the device can splice each other when the installation, and then reduce the installation degree of difficulty, shorten the installation time, and then promote greatly and use convenience and practicality, through the centre gripping subassembly, the cooperation of wiring end and circuit breaker, can connect to the external world and support tightly, prevent to connect the dislocation, can carry out the centre gripping simultaneously to the wire that the external world connects spacing, avoid the wire winding confusion, make things convenient for the maintenance and pull out and insert, and then make things convenient for people to use.

Drawings

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

FIG. 2 is a schematic view of the connection relationship between the plugboard, the torsion spring and the pin shaft in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the slot, the latch and the lever shown in FIG. 1;

fig. 4 is a schematic view showing the connection relationship between the connection plate, the bolt and the threaded rod in fig. 1.

In the figure: 1. the circuit breaker, 2, the terminal, 3, the pilot lamp, 4, the connecting plate, 5, the bolt, 6, the recess, 7, the screens subassembly, 701, the spout, 702, the fixture block, 703, first compression spring, 704, the driving lever, 705, perpendicular groove, 706, the draw-in groove, 8, centre gripping subassembly, 801, threaded rod, 802, diaphragm, 803, the nut, 804, second compression spring, 805, the square plate, 806, the cutting ferrule, 9, the slot, 10, the round pin axle, 11, picture peg, 12, torsion spring, 13, the through-hole.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a novel main circuit breaker for a railway locomotive comprises a circuit breaker 1, wherein the upper side and the lower side of the front of the circuit breaker 1 are respectively provided with a wiring end 2, the wiring ends 2 are symmetrically distributed about the axis of the circuit breaker 1, the front of the circuit breaker 1 is provided with a prompting lamp 3, the indicating lamp 3 is used for prompting whether the device leaks electricity, the upper end and the lower end of the circuit breaker 1 are respectively fixedly connected with a connecting plate 4, the front of the connecting plate 4 is in threaded connection with a bolt 5 through a through hole 13, the bolt 5 is used for connecting the circuit breaker 1 with a locomotive, the left end and the right end of the circuit breaker 1 are respectively provided with a groove 6 and a slot 9, the inner wall of the groove 6 is rotatably connected with an inserting plate 11 through a pin shaft 10, the pin shaft 10 enables the inserting plate 11 to rotate when stressed, the outer wall of the pin shaft 10 is sleeved, and the inserting plate 11 can be completely embedded into the groove 6, the clamping component 7 is arranged above the slot 9, and the clamping components 8 are arranged on the upper side and the lower side of the circuit breaker 1.

The clamping assembly 7 comprises a sliding groove 701, a clamping block 702, a first compression spring 703, a deflector rod 704, a vertical groove 705 and a clamping groove 706, the outer wall of the clamping block 702 is in clearance fit with the top of the inner wall of the slot 9 passing through the sliding groove 701, the clamping block 702 and the sliding groove 701 form a sliding structure, the sliding groove 701 plays a guiding role in guiding the clamping block 702, the top of the inner wall of the sliding groove 701 and the top of the clamping block 702 are fixedly connected through the first compression spring 703, the first compression spring 703 provides downward force to the clamping block 702, the deflector rod 704 is fixedly connected to the front surface of the clamping block 702, the outer wall of the deflector rod 704 is in clearance fit with the front surface of the circuit breaker 1 through the vertical groove 705, the deflector rod 704 is used for controlling the position of the clamping block 702, so that the clamping block 702 can form a clamping structure with the clamping groove 706 when the plug board 11 is inserted into the slot 9, and the clamping groove 706 is processed at the top of the plug board 11.

The clamping assembly 8 includes a threaded rod 801, a cross plate 802, a nut 803, second compression spring 804, square plate 805 and cutting ferrule 806, the inner of threaded rod 801 respectively with the upper and lower both ends rigid coupling of circuit breaker 1 together, threaded rod 801's outer wall clearance fit has diaphragm 802, threaded rod 801 plays the guide effect to diaphragm 802, threaded rod 801's outer wall outside threaded connection has nut 803, nut 803 is used for playing limiting displacement to diaphragm 802, threaded rod 801's outer wall has cup jointed second compression spring 804, the inside and outside both ends of second compression spring 804 respectively with circuit breaker 1 and diaphragm 802 are fixed continuous, second compression spring 804 gives diaphragm 802 decurrent power, the front rigid coupling of diaphragm 802 has a plurality of square plates 805, the front rigid coupling of square plate 805 has cutting ferrule 806, cutting ferrule 806 is used for playing limiting displacement to external wiring, cutting ferrule 806 corresponds the setting with terminal 2, and then realize the centre gripping to external wiring one by one.

In this embodiment, when the novel main circuit breaker for a railway locomotive is used, the circuit breaker 1 can be connected with a designated position of the locomotive through the cooperation of the connecting plate 4 and the bolt 5, so that the position of the circuit breaker 1 is fixed, the socket 11 can overcome the problem that the torque spring is pulled out through the rotation of the groove 6 and the socket 11, the socket 11 is inserted into the slot 9 and is matched with the clamping block 702 through the clamping groove 706, so that the clamping block 702 is clamped with the clamping groove 706 through the elastic force of the first compression spring 703, and then two or more circuit breakers 1 are spliced with each other, so as to improve the installation speed of the circuit breaker 1 and reduce the installation difficulty, when a plurality of the devices are used, the practicability and flexibility are greatly improved, when disassembly is needed, the driving lever 704 is lifted upwards, the clamping groove 706 and the clamping block 702 are separated, and through the clearance fit of the threaded rod 801 and the transverse plate 802, and second compression spring 804's effect, can upwards pull up diaphragm 802 during the wiring, and the external joint loosens diaphragm 802 when inserting wiring end 2 for diaphragm 802 connects with the external world and supports tightly, fixes diaphragm 802 position through nut 803, and through the effect of cutting ferrule 806, packs into external wiring wherein, can play the arrangement effect to the wiring, avoids external wiring winding confusion, makes things convenient for people to use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel main circuit breaker for railway locomotives comprises a circuit breaker (1) and is characterized in that: wiring end (2) are all installed to both sides about the front of circuit breaker (1), warning light (3) are installed in the front of circuit breaker (1), the equal rigid coupling in upper and lower both ends of circuit breaker (1) has connecting plate (4), there are bolt (5) in the front of connecting plate (4) through-hole (13) threaded connection, both ends process recess (6) and slot (9) respectively about circuit breaker (1), the inner wall of recess (6) rotates through round pin axle (10) and is connected with picture peg (11), torque spring (12) have been cup jointed to the outer wall of round pin axle (10), both ends do not connect with recess (6) and picture peg (11) looks joint about torque spring (12), the top of slot (9) is equipped with screens subassembly (7), the upper and lower both sides of circuit breaker (1) all are equipped with centre gripping subassembly (8).

2. The novel main circuit breaker for railway locomotive according to claim 1, characterized in that: screens subassembly (7) include spout (701), fixture block (702), first compression spring (703), driving lever (704), erect groove (705) and draw-in groove (706), the outer wall of fixture block (702) and the inner wall top clearance fit of slot (9) through spout (701), the inner wall top of spout (701) and the top of fixture block (702) are through first compression spring (703) fixed continuous, the front rigid coupling of fixture block (702) has driving lever (704), the front clearance fit of perpendicular groove (705) and circuit breaker (1) is passed through to the outer wall of driving lever (704), the right side of fixture block (702) is equipped with draw-in groove (706), draw-in groove (706) are processed in the top of picture peg (11).

3. The novel main circuit breaker for railway locomotives according to claim 2, characterized in that: the fixture block (702) is matched with the fixture groove (706) in shape.

4. The novel main circuit breaker for railway locomotives according to claim 2, characterized in that: the fixture block (702) and the sliding groove (701) form a sliding structure.

5. The novel main circuit breaker for railway locomotive according to claim 1, characterized in that: the clamping assembly (8) comprises a threaded rod (801), a transverse plate (802), a nut (803), a second compression spring (804), a square plate (805) and a clamping sleeve (806), the inner end of the threaded rod (801) is fixedly connected with the upper end and the lower end of a circuit breaker (1) respectively, the transverse plate (802) is in clearance fit with the outer wall of the threaded rod (801), the nut (803) is in threaded connection with the outer side of the outer wall of the threaded rod (801), the second compression spring (804) is sleeved on the outer wall of the threaded rod (801), the inner end and the outer end of the second compression spring (804) are fixedly connected with the circuit breaker (1) and the transverse plate (802) respectively, the plurality of square plates (805) are fixedly connected to the front side of the transverse plate (802), and the clamping sleeve (806) is fixedly connected to the front.

6. The novel main circuit breaker for railway locomotive according to claim 5, characterized in that: the clamping sleeve (806) is arranged corresponding to the terminal (2).