CN-117922623-B - Railway container flatcar locking device

CN117922623BCN 117922623 BCN117922623 BCN 117922623BCN-117922623-B

Abstract

The invention provides a railway container flatcar locking device which comprises a mounting seat, an elastic plug connector and a first locking piece, wherein the mounting seat penetrates through the flatcar in the up-down direction and is detachably connected with the flatcar, the elastic plug connector penetrates through the mounting seat in the axial direction of the mounting seat and is in sliding connection with the mounting seat, the upper end of the elastic plug connector can elastically protrude out of the top surface of the mounting seat to be in plug connection with a plug groove, a first positioning groove extending in the radial direction is formed in the peripheral wall of the elastic plug connector, and the first locking piece is in sliding connection with the bottom of the mounting seat and is used for being plugged into the first positioning groove to lock the axial position of the elastic plug connector. The railway container flatcar locking device provided by the invention can be used for hiding the elastic plug connector rapidly, so that the working efficiency is improved, and the risk of personnel injury is eliminated.

Inventors

LIANG TAO
GAI JIANMIN
ZHANG ERZHENG
JING CHAO
BAN JINBAO
GAO SONGQING
GAO ZHIPENG

Assignees

中车石家庄车辆有限公司

Dates

Publication Date: 20260508
Application Date: 20240202

Claims (7)

1. Railway container flatcar locking device, be equipped with the jack-in groove on the diapire of container, be equipped with spacing groove and locking groove on the interior perisporium of jack-in groove respectively, the locking groove is located the top of spacing groove, its characterized in that, railway container flatcar locking device includes: The mounting seat penetrates through the flatcar along the up-down direction and is detachably connected with the flatcar; The elastic plug-in connector penetrates through the mounting seat along the axial direction of the mounting seat and is in sliding connection with the mounting seat, the upper end of the elastic plug-in connector can elastically protrude out of the top surface of the mounting seat to be in plug-in fit with the plug-in groove, a first positioning groove extending in the radial direction is formed in the peripheral wall of the elastic plug-in connector, and The first locking piece is connected to the bottom of the mounting seat in a sliding manner and is used for being inserted into the first positioning groove to lock the axial position of the elastic plug connector; The mounting seat is provided with a first sliding cavity which axially penetrates through the mounting seat, the elastic plug connector is connected in the first sliding cavity in a sliding mode, and the elastic plug connector comprises: the plug-in column is connected in the first sliding cavity in a sliding way along the axial direction of the mounting seat, the first positioning groove is arranged on the peripheral wall of the plug-in column, and The first tension spring is sleeved on the periphery of the plug-in column, one end of the first tension spring is connected to the peripheral wall of the plug-in column, the other end of the first tension spring is connected to the inner wall of the first sliding cavity, and the first tension spring can elastically pull up the plug-in column so that the upper end of the plug-in column is in plug-in fit with the plug-in groove; The lower part of the plug-in column is provided with a second sliding cavity which extends axially, an elastic pushing piece is connected in the second sliding cavity in a sliding way, the lower end of the plug-in column is provided with a second locking piece used for locking the axial position of the elastic pushing piece, the peripheral wall of the upper part of the plug-in column is provided with a third sliding cavity which is perpendicular to the axial direction of the plug-in column and is communicated with the second sliding cavity, the third sliding cavity is connected in a sliding way with an elastic positioning piece which extends radially and is in plug-in fit with the locking groove in a sliding way, and the inner end of the elastic positioning piece is provided with a guide inclined plane which is used for being abutted with the upper end of the elastic pushing piece, and the elastic positioning piece can be plugged in the locking groove under the pushing of the elastic pushing piece; the outer peripheral wall of the plug-in column is provided with an avoidance cavity which is communicated with the second sliding cavity and is positioned below the third sliding cavity, the avoidance cavity is rotationally connected with a swinging limiting part capable of swinging vertically, the upper part of the elastic pushing part is provided with a driving part for driving the swinging limiting part to swing vertically, the driving piece can drive the swing limiting piece to swing vertically to the outer peripheral wall protruding outwards from the plug-in column when the elastic pushing piece moves upwards, and the driving piece is abutted to the inner peripheral wall of the limiting groove so as to lock the axial position of the elastic plug-in piece.
2. The railway container flatcar locking apparatus of claim 1, wherein the elastic pushing member comprises: A push rod slidably connected to the second sliding chamber, and The second tension spring is sleeved on the periphery of the push rod, one end of the second tension spring is connected to the peripheral wall of the push rod, the other end of the second tension spring is connected to the inner wall of the second sliding cavity, and the second tension spring can pull the push rod upwards to push the guide inclined plane so that the elastic locating piece is inserted into the locking groove.
3. The railway container flatcar locking apparatus of claim 1, wherein the elastic positioning member comprises: A positioning column slidably connected in the third sliding cavity, the guide inclined plane being arranged below the inner end of the positioning column, and The first elastic piece is sleeved on the periphery of the positioning column, one end of the first elastic piece is connected to the peripheral wall of the positioning column, the other end of the first elastic piece is connected to the inner wall of the third sliding cavity, and the first elastic piece can elastically push the positioning column to shrink into the third sliding cavity.
4. The railway container flatcar locking device of claim 1, wherein the driving member is a rack extending axially along the elastic pushing member, the swing limiting member comprises: The rotating shaft is rotationally connected in the avoidance cavity, and the main shaft extends along the tangential direction of the plug-in column; a gear fixedly sleeved on the periphery of the rotating shaft and meshed with the rack, and The swing rod is connected to the periphery of the rotating shaft and is positioned at the outer side of the end face of the gear, and the rack can drive the gear to rotate so that the swing rod swings outwards to be abutted to the inner peripheral wall of the limiting groove.
5. The railway container flatcar locking device of claim 1, wherein the lower end of the elastic pushing component is provided with an abutting table protruding towards the outer periphery, the second locking component is arranged between the plug-in post and the abutting table and is respectively in abutting fit with the top surface of the abutting table and the lower end surface of the plug-in post, the outer peripheral wall of the abutting table is provided with a second positioning groove for the first locking component to plug in, and when the upper end of the elastic plug-in component is plugged in the plugging groove and the swing limiting component swings into the limiting groove, the first locking component can be plugged in the second positioning groove to lock the positions of the elastic plug-in component and the elastic pushing component.
6. The railway container flatcar locking apparatus of claim 5, wherein the first locking member comprises: the second elastic piece is connected to the bottom of the mounting seat and horizontally extends towards the direction close to the elastic plug connector; A slider connected to the extending end of the second elastic member and slidably connected to the bottom surface of the mounting base along the radial direction of the elastic plug-in unit, and The inserting block is connected to one side, close to the elastic inserting piece, of the sliding block and is used for being in inserting fit with the first positioning groove or the second positioning groove.
7. The railway container flatcar locking device of claim 5, wherein the second locking member is a U-shaped clip disposed between the plug-in post and the abutment, and the U-shaped clip is clipped to the lower periphery of the elastic pushing member.

Description

Railway container flatcar locking device Technical Field The invention belongs to the technical field of container flatcar auxiliary equipment, and particularly relates to a railway container flatcar locking device. Background The railway flatcar is mainly used for conveying goods with larger volume or weight such as steel, wood, automobiles and mechanical equipment, and the railway flatcar can also convey other goods by means of containers. In the prior art, a container is usually locked on a railway flatcar through a turnover locking device, and when the container is used, the turnover locking device is turned to the top of the railway flatcar to lock the container, and when the container is not used, the container is turned to the lower part of the railway flatcar to be hidden. But in the upset process, the staff need climb railway flatcar, stand on railway flatcar down operation upset, and the upset process is extremely loaded down with trivial details, has influenced work efficiency to there is climbing and loses the sufficient risk that leads to personnel to be injured. Disclosure of Invention The embodiment of the invention provides a railway container flatcar locking device which can be used for quickly hiding an elastic plug connector, so that the working efficiency is improved, and the risk of personnel injury is eliminated. The technical scheme includes that the railway container flatcar locking device comprises a mounting seat, an elastic plug connector and a first locking piece, wherein the mounting seat penetrates through the flatcar in the up-down direction and is detachably connected with the flatcar, the elastic plug connector penetrates through the mounting seat in the axial direction of the mounting seat and is slidably connected with the mounting seat, the upper end of the elastic plug connector can elastically protrude out of the top surface of the mounting seat to be in plug fit with a plug groove, a first positioning groove extending in the radial direction is formed in the peripheral wall of the elastic plug connector, and the first locking piece is slidably connected to the bottom of the mounting seat and is used for being plugged in the first positioning groove to lock the axial position of the elastic plug connector. In one possible implementation manner, a first sliding cavity penetrating axially is formed in the mounting seat, the elastic plug connector is connected in the first sliding cavity in a sliding mode, the elastic plug connector comprises a plug column and a first tension spring, the plug column is connected in the first sliding cavity in a sliding mode along the axial direction of the mounting seat, the first positioning groove is formed in the peripheral wall of the plug column, the first tension spring is sleeved on the periphery of the plug column, one end of the first tension spring is connected to the peripheral wall of the plug column, the other end of the first tension spring is connected to the inner wall of the first sliding cavity, and the first tension spring can elastically pull the plug column to enable the upper end of the plug column to be in plug fit with the plug groove. In some embodiments, the lower part of the plug-in column is provided with a second sliding cavity extending axially, an elastic pushing piece is connected in the second sliding cavity in a sliding manner, the lower end of the plug-in column is provided with a second locking piece for locking the axial position of the elastic pushing piece, the outer peripheral wall of the upper part of the plug-in column is provided with a third sliding cavity which is perpendicular to the axial direction of the plug-in column and is communicated with the second sliding cavity, the third sliding cavity is connected in a sliding manner with an elastic positioning piece extending radially and matched with the locking groove in a plugging manner, and the inner end of the elastic positioning piece is provided with a guide inclined surface which is used for being abutted with the upper end of the elastic pushing piece, and the elastic positioning piece can be plugged in the locking groove under the pushing of the elastic pushing piece. In some embodiments, the elastic pushing component comprises a push rod and a second tension spring, the push rod is slidably connected in the second sliding cavity, the second tension spring is sleeved on the periphery of the push rod, one end of the second tension spring is connected to the peripheral wall of the push rod, the other end of the second tension spring is connected to the inner wall of the second sliding cavity, and the second tension spring can pull the push rod upwards to push the guide inclined plane so that the elastic positioning component is inserted in the locking groove. In some embodiments, the elastic positioning piece comprises a positioning column and a first elastic piece, the positioning column is slidably connected in the third sliding cavity,