CN-121973823-A - Electric coupler and rail vehicle

CN121973823ACN 121973823 ACN121973823 ACN 121973823ACN-121973823-A

Abstract

The application provides an electric coupler, and belongs to the technical field of rail transit. The electric coupler comprises a shell component, a lock head component, a lock catch component and a lock head component, wherein the shell component is provided with an electric connecting terminal at the electric connecting end of the shell component of the electric coupler, and the lock head component and the lock catch component of the electric coupler at the side and the electric coupler at the opposite side can be matched and locked in a connecting state of the electric coupler at the side and the electric coupler at the opposite side. In the embodiment of the application, the lock head component and the lock catch component are arranged between the electric couplers and used for locking the two groups of connected electric couplers after connection, so that the autonomous mechanical locking of the two electric couplers after connection is realized, reliable limit is automatically formed after connection is finished, the stability and the safety of electric connection can be obviously improved, and the technical problems that the traditional electric couplers depend on the holding force of external mechanical couplers and are easy to release are solved.

Inventors

LIU ZHANWEN
LIU SHUNDONG
SUN FENGLIN
ZHAO JINBAO
MA CHENGCHENG
LI ZHENGXUAN

Assignees

中车制动系统有限公司

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (10)

1. An electrical coupler, comprising: the shell assembly is provided with an electric connecting terminal at the electric connecting end; the lock head assembly is arranged on the shell assembly and positioned at the first side of the electric connection terminal; the lock catch assembly is arranged on the shell assembly and is positioned at the second side of the electric connection terminal; In the state that the electric coupler at the side is connected with the electric coupler at the opposite side, the lock head components and the lock catch components of the electric coupler at the side and the electric coupler at the opposite side can be matched and locked.
2. The electrical coupler of claim 1, wherein: The lock head assembly comprises a mounting plate and a lock rod rotatably mounted on the mounting plate, wherein a lock head is arranged at the end part of the lock rod; The lock catch assembly comprises the lock catch plate, a notch is formed in the lock catch plate, and the lock catch plate is arranged on the shell assembly; under the state that the electric coupler at the side is connected with the electric coupler at the opposite side, the lock rod can rotate towards the direction of the electric connecting terminal, so that the lock head rotates to the rear side of the notch, and is limited by the notch.
3. The electrical coupler of claim 2 wherein a mounting block is provided on the mounting plate and the locking bar is threadably coupled to the mounting block.
4. An electrical coupler according to claim 3, wherein the mounting block is in rotational connection with the mounting plate.
5. The electric coupler according to claim 3 or 4, wherein the lock is cylindrical, the mounting plate is provided with a lock receiving groove, and the position of the connection point of the mounting block and the mounting plate is configured such that the lock lever can rotate to the position of the lock receiving groove in the unhooked state, and the lock is clamped in the lock receiving groove.
6. The electrical coupler of claim 2 wherein the mounting plate is mounted to the housing assembly via a first mount; the electric coupler further comprises a cover plate which is rotationally connected with the shell assembly, and when the cover plate and the shell assembly rotate relatively, the main body plate surface of the cover plate can cover the electric connection terminal; The cover plate and the first rotary connecting end of the shell assembly are positioned on the same side as the lock head assembly, and the first rotary connecting end is positioned on one side close to the electric connecting terminal relative to the mounting position of the first mounting seat and the shell assembly; The first mounting seat extends to the outer side of the first rotating connecting end, and the mounting positions of the lock rod and the first mounting seat are located on the outer side of the first rotating connecting end.
7. An electrical coupler according to claim 2 or 6, wherein the catch plate is mounted to the housing assembly via a second mount; the electric coupler further comprises a cover plate which is rotationally connected with the shell assembly, and when the cover plate and the shell assembly rotate relatively, the main body plate surface of the cover plate can cover the electric connection terminal; the cover plate and the second rotating connecting end of the shell assembly are positioned on the same side as the lock catch assembly, and the second rotating connecting end is positioned on one side close to the electric connecting terminal relative to the mounting position of the second mounting seat and the shell assembly; The second mounting seat extends to the outer side of the second rotating connecting end, and the locking plate is located on the outer side of the second rotating connecting end.
8. The electrical coupler of claim 2 wherein the locking head is cylindrical and the notch is an arcuate slot.
9. The electrical coupler of claim 1 wherein the first side of the electrical connection terminal is opposite the second side of the electrical connection terminal on both sides of the electrical connection terminal in the length direction.
10. A rail vehicle comprising an electrical coupler as claimed in any one of claims 1 to 9.

Description

Electric coupler and rail vehicle Technical Field The invention relates to the technical field of rail transit, in particular to an electric coupler and a rail vehicle. Background The connection reliability of the electric coupler is an important index for influencing the service life and the use reliability of the electric coupler, and along with the diversification of the operation environment of the electric coupler and the high standardization of the transmission signal of the electric coupler, the requirement on the connection reliability of the electric coupler is higher and higher, because the connection reliability directly influences the stability of the transmission signal of the electric coupler. At present, the existing electric coupler mainly relies on an external mechanical coupler to provide a plugging and connecting force, and the electric coupler does not have a connecting and connecting locking mechanism and has certain instability. Disclosure of Invention The invention aims to solve one of the technical problems and provide an electric coupler and a railway vehicle so as to improve the reliability of electric coupler connection. In order to achieve the above object, a first aspect of the present application provides an electric coupler and a railway vehicle, which adopts the following technical scheme: an electrical coupler, comprising: the shell assembly is provided with an electric connecting terminal at the electric connecting end; the lock head assembly is arranged on the shell assembly and positioned at the first side of the electric connection terminal; the lock catch assembly is arranged on the shell assembly and is positioned at the second side of the electric connection terminal; In the state that the electric coupler at the side is connected with the electric coupler at the opposite side, the lock head components and the lock catch components of the electric coupler at the side and the electric coupler at the opposite side can be matched and locked. In the embodiment of the application, the lock head component and the lock catch component are arranged between the electric couplers and used for locking the two groups of the connected electric couplers after being connected, so that the autonomous mechanical locking of the two electric couplers after being connected is realized, and the external mechanical couplers are not relied on to provide a holding force. According to the embodiment, the mechanical locking pairs formed by the rotary lock rod and the notched locking plate are arranged on two sides of the electric coupler, reliable limit is automatically formed after the plugging is completed, the stability and the safety of electric connection can be remarkably improved, and the technical problems that the traditional electric coupler depends on the holding force of an external mechanical coupler and is easy to release are solved. In combination with the first aspect, in some embodiments of the application, the lock head assembly comprises a mounting plate and a lock rod rotatably mounted on the mounting plate, wherein the end part of the lock rod is provided with a lock head; The lock catch assembly comprises the lock catch plate, a notch is formed in the lock catch plate, and the lock catch plate is arranged on the shell assembly; under the state that the electric coupler at the side is connected with the electric coupler at the opposite side, the lock rod can rotate towards the direction of the electric connecting terminal, so that the lock head rotates to the rear side of the notch, and is limited by the notch. The embodiment of the application further provides a concrete implementation structure of the lock head assembly and the lock rod assembly. Limiting and locking between the locking head and the lock assembly is achieved by limiting the locking head of the locking head assembly in the notch of the lock assembly. The design is simple in structure, reliable in action and convenient to operate, and can effectively solve the problem that the existing electric coupler is unstable in connection. In combination with the first aspect, in some embodiments of the present application, a mounting block is disposed on the mounting plate, and the lock rod is in threaded connection with the mounting block. In the embodiment of the application, the small position offset of the lock head and the opposite side notch can be considered when the two electric couplers are in butt joint due to manufacturing errors, deformation of the car body or deviation of the connecting angle. The lock rod and the mounting block are connected through threads, so that the extending distance of the lock rod relative to the mounting block can be adjusted. In the process of rotation locking, the locking head can be better matched with the position of the notch on the locking plate by adjusting the extending distance of the locking rod, so that the locking effect is improved. In combination with the first as