CN218216540U

CN218216540U - Power distribution box of motor train unit

Info

Publication number: CN218216540U
Application number: CN202222460512.9U
Authority: CN
Inventors: 史良
Original assignee: Anhui Zhicheng Rail Technology Co ltd
Current assignee: Anhui Zhicheng Rail Technology Co ltd
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-01-03
Anticipated expiration: 2032-09-17

Abstract

The utility model relates to the technical field of branch boxes, and discloses a power branch box for a motor train unit, which comprises a box body and an access door arranged at the bottom end of the box body, wherein a plurality of threaded rods are fixedly arranged on the surface of the bottom end of the box body, an extension plate is fixedly arranged on the surface of the outer wall of the access door, through holes for the threaded rods to penetrate through are formed in the surface of the extension plate, the threaded rods penetrate through the extension plate, and fastening nuts are arranged on the threaded rods; the utility model discloses simple structure, access door dismantle conveniently, sealing performance is good to it is fixed through fastening nut and threaded rod cooperation, can improve the fastness of access door installation, secondary anti-disengaging structure is reliable, avoids appearing the condition that the access door was opened when normal use, greatly improves maintenance efficiency in the future.

Description

Power distribution box of motor train unit

Technical Field

The utility model relates to a branch box technical field specifically is a EMUs power branch box.

Background

At present, with the improvement of the urbanization level of China and the construction of urban groups, the population of large and medium-sized cities is increased rapidly, and convenient transportation means such as urban rails, subways, motor cars and the like are urgently needed.

However, the traditional junction box for the high-speed motor train unit generally comprises a box body and an access door, wherein the box body is provided with an access door frame matched with the access door, the access door and the access door frame are hinged through a hinge, and then the access door and the access door frame are matched and locked to be fixed, so that the condition that the access door is opened when shaking or shaking is easily caused, and the normal use of the junction box can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a EMUs power branch box to solve traditional branch box that is used for high-speed EMUs, generally including box and access door, be provided with on the box with the access door frame of adaptation, its access door is articulated through the hinge with the access door frame, then the lock catch is fixed on the collocation, leads to appearing easily the condition that the access door was opened when meetting vibrations or rocking, thereby can influence the problem of branch box normal use.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a EMUs power branch box, include the box with set up in the access door of box bottom, box bottom fixed surface installs a plurality of threaded rod, access door outer wall fixed surface installs the extension board, the through-hole that supplies the threaded rod to run through is seted up on the extension board surface, the threaded rod runs through extension board and threaded mounting has fastening nut.

Preferably, a fixing frame is fixedly mounted at the top end inside the box body, mounting seats are fixedly mounted on two sides of the bottom end of the fixing frame, and a wiring terminal is fixedly mounted at the bottom end of each mounting seat.

Preferably, the two ends of the outer wall of the box body are fixedly provided with mounting lugs.

Preferably, a plurality of line holes are formed in the surface of one side of the box body.

Preferably, the surface of the bottom end of the access door is provided with a heat dissipation opening.

Preferably, the box body is rotatably connected with the access door through a hinge.

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

the utility model discloses simple structure, the access door is dismantled conveniently, and sealing performance is good to it is fixed through fastening nut and threaded rod cooperation, can improve the fastness of access door installation, and secondary anti-disengaging structure is reliable, avoids appearing the condition that the access door was opened when normal use, greatly improves maintenance efficiency in the future.

Drawings

FIG. 1 is a front view of the power distribution box of the motor train unit of the present invention;

FIG. 2 is a bottom view of the power distribution box of the motor train unit of the present invention;

fig. 3 is the utility model discloses EMUs power branch box's inner structure schematic diagram.

In the figure: 10-a box body; 11-line holes; 12-a fixing frame; 13-a mounting seat; 14-a terminal; 20-an access door; 30-mounting a hanging lug; 40-a support plate; 41-fastening nuts; 50-a hinge; 60-Heat dissipation opening.

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. 1-3, the present invention provides a technical solution: the utility model provides a EMUs power distribution box, install in the access door 20 of box 10 bottom including box 10 and rotation, rotate through hinge 50 between box 10 and the access door 20 and connect, box 10 bottom fixed surface installs a plurality of threaded rod, access door 20 outer wall fixed surface installs extension board 40, extension board 40 one end extends to box 10 bottom surface and is close to border department, the through-hole that supplies the threaded rod to run through is seted up on the surface of extension board 40, the through-hole also can run through access door 20, the threaded rod runs through extension board 40 and threaded mounting has fastening nut 41.

Further, when closing access door 20, access door 20 overturns along hinge 50, when waiting for access door 20 to overturn to box 10 bottom, the through-hole on extension board 40 surface can be worn to the threaded rod, wait for access door 20 to close and accomplish the back, change over into the threaded rod outside with fastening nut 41 again, then can realize the fixed to access door 20 through fastening nut 41, the one end of extension board 40 also can the butt be close to border department on box 10 bottom surface simultaneously, then can further improve access door 20's fastness.

Referring to fig. 3, in the preferred technical solution of this embodiment, a fixing frame 12 is fixedly installed at the top end inside the box body 10, installation bases 13 are fixedly installed at two sides of the bottom end of the fixing frame 12, connection terminals 14 are fixedly installed at the bottom ends of the installation bases 13, and cables enter from the wire holes 11 and then are respectively connected with the corresponding connection terminals 14.

Referring to fig. 1 to 3, in the preferred technical solution of the present embodiment, mounting lugs 30 are fixedly mounted at two ends of an outer wall of the box body 10, and the junction box can be mounted and fixed by the mounting lugs 30.

Referring to fig. 2, in the preferred embodiment, a plurality of wire holes 11 are formed in a surface of one side of the box 10, and the wire holes 11 are designed for the penetration of cables.

Referring to fig. 1, in the preferred embodiment, a heat dissipating port 60 is formed on the bottom end surface of the access door 20, and the heat dissipating port 60 can dissipate the heat of the box 10, so as to facilitate the heat inside the box 10 to be dissipated.

The working principle is as follows: when closing access door 20, access door 20 overturns along hinge 50, when waiting for access door 20 to overturn to box 10 bottom, the through-hole on extension board 40 surface can be worn to the threaded rod, wait for access door 20 to close and accomplish the back, change over into the threaded rod outside with fastening nut 41 again, then can realize the fixed to access door 20 through fastening nut 41, the one end of extension board 40 also can the butt be close to border department on box 10 bottom surface simultaneously, then can further improve access door 20's fastness.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which can not limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a EMUs power branch box, includes box (10) and set up in access door (20) of box (10) bottom, its characterized in that: the utility model discloses an inspection door, including box (10), access door (20), support board (40), threaded rod, support board (40) and fastening nut (41) are installed to the threaded rod that box (10) bottom fixed surface installs a plurality of threaded rod, access door (20) outer wall fixed surface installs support board (40), the through-hole that supplies the threaded rod to run through is seted up on support board (40) surface, the threaded rod runs through support board (40) and screw thread.

2. The power distribution box of the motor train unit according to claim 1, characterized in that: the box body (10) is inside top fixed mounting has mount (12), mount (12) bottom both sides fixed mounting has mount pad (13), mount pad (13) bottom fixed mounting has binding post (14).

3. The power distribution box of the motor train unit according to claim 1, characterized in that: and mounting lugs (30) are fixedly mounted at two ends of the outer wall of the box body (10).

4. The power distribution box of the motor train unit according to claim 1, characterized in that: a plurality of line holes (11) are formed in the surface of one side of the box body (10).

5. The power distribution box of the motor train unit according to claim 1, characterized in that: the bottom end surface of the access door (20) is provided with a heat dissipation opening (60).

6. The power distribution box of the motor train unit according to claim 1, characterized in that: the box body (10) is rotatably connected with the access door (20) through a hinge (50).