K18 type grouped pneumatic opening-and-closing control device for railway vehicle

This model utility discloses a kind of block pneumatic open-close control device for rail vehicle K18. On Chinese rail vehicle K18, a bias air pipe (11.2) is installed. The Branch pipe (2.1) is connected with the bigger joint of the pneumatic open-close control valve (8.1), while the branch pipe (3.1) is connected with the joint of the open side air feeder of the open-close master cylinder (10.1), whose joint of the close side air feeder (9.1) is connected with the vertical joint of the pneumatic open-close control valve. This model utility can realize the following: (1) reducing the unloading personnel with the block unloading vehicles increasing by one each group and personnel reducing by two; (2) increasing the speed of unloading, which means the 15minitues'unloading is reduced to 10 minutes; (3) realizing the remote operation of unloading so that the danger in working can be prevented; (4) preventing the operation crews from injure to health because of dangerous operating environment.