Abstract: A double-deck rail vehicle and a vehicle body thereof are provided. An underframe (11) of the vehicle body comprises a lower-layer underframe (111), end underframes (112, 115), sealing plates (114, 116), and side underframes (118, 119); wherein the lower-layer underframe is provided with an underframe middle beam (1111); the end underframe is fixedly connected to the underframe middle beam by means of reinforcement middle beams (113, 117); the sealing plate is fixedly connected between the end underframe and the lower-layer underframe; and the side underframe comprises side beams (1181, 1191) of the side underframe that are integrated, and the side underframe is fixedly connected to the end underframe by means of the side beams of the side underframe. The vehicle body supplements the reinforcement middle beams capable of increasing the connection strength between the end underframe and the lower-layer underframe, and uses the integrated side beams of the side underframe.

Abstract: A double-deck rail vehicle and a vehicle body thereof are provided. An underframe (11) of the vehicle body comprises a lower-layer underframe (111), end underframes (112, 115), sealing plates (114, 116), and side underframes (118, 119); wherein the lower-layer underframe is provided with an underframe middle beam (1111); the end underframe is fixedly connected to the underframe middle beam by means of reinforcement middle beams (113, 117); the sealing plate is fixedly connected between the end underframe and the lower-layer underframe; and the side underframe comprises side beams (1181, 1191) of the side underframe that are integrated, and the side underframe is fixedly connected to the end underframe by means of the side beams of the side underframe. The vehicle body supplements the reinforcement middle beams capable of increasing the connection strength between the end underframe and the lower-layer underframe, and uses the integrated side beams of the side underframe.

Abstract: The present invention is a movable pallet for loading and securing goods into and out of a shipping container. The dimensions of the movable pallet can be conveniently and selectively adjusted both in length and in width. These adjustments can be further secured by removable locking devices at various locations along the side of the movable pallet, as well as around all of its corners. The versatile adjustment mechanism of the present invention allows goods to be securely transferred among containers of various dimensions during maritime and land transportation.

Abstract: An obstacle removing and energy absorbing device provided with an obstacle removing beam (6) and a bumper cross-beam (15) which are oppositely arranged, an energy-absorbing tube assembly with an energy-absorbing tube (9) is fixedly connected between the obstacle removing beam (6) and the bumper cross-beam (15), a mounting base (8) is fixedly connected with one end of the energy-absorbing tube (9), a crushing support (13) is threaded onto the other end of the energy-absorbing tube (9), the crushing support (13) is provided with a variable-diameter through-hole, a crushing-convex portion (20) is provided in the variable-diameter through-hole, a concave portion (21) matched with the crushing-convex portion (20) is arranged at an end portion where the energy-absorbing tube (9) is penetrated into the crushing support (13), the mounting base (8) is fixedly connected with the obstacle removing beam (6), the crushing support (13) is fixedly connected with the bumper cross-beam (15).

Abstract: The present invention discloses a kind of container built-in movable combined pallet with extensible length and width, where the guide roller is set in both sides and front edge corner of pallet with roller fitted rectangular chassis and the locking device is set in the rear edge corners of rectangular chassis. At least one of the front and rear sides of rectangular chassis should be installed with extension portion and the guide roller described is the guide roller that can rotate around the pivot of the rotating shaft hole. The locking device described is set with lateral sliding guide rail. In the present invention, existing standard shipping container built-in movable pallet is reformed to combined pallet. Due to convenient adjustment of length and width, the pallet may be flexibly applied in maritime and land transportation containers of a variety of specifications.

Abstract: An obstacle removing and energy absorbing device provided with an obstacle removing beam (6) and a bumper cross-beam (15) which are oppositely arranged, an energy-absorbing tube assembly with an energy-absorbing tube (9) is fixedly connected between the obstacle removing beam (6) and the bumper cross-beam (15), a mounting base (8) is fixedly connected with one end of the energy-absorbing tube (9), a crushing support (13) is threaded onto the other end of the energy-absorbing tube (9), the crushing support (13) is provided with a variable-diameter through-hole, a crushing-convex portion (20) is provided in the variable-diameter through-hole, a concave portion (21) matched with the crushing-convex portion (20) is arranged at an end portion where the energy-absorbing tube (9) is penetrated into the crushing support (13), the mounting base (8) is fixedly connected with the obstacle removing beam (6), the crushing support (13) is fixedly connected with the bumper cross-beam (15).

Abstract: The present invention relates to a kind of built-in movable pallet for containers, including the rectangular chassis with several rollers at the bottom. Several guiding mechanisms are set at both sides and the corners of front edge of the above-mentioned chassis; guiding mechanisms are guide roller structures; outer peripheral surface of guiding rollers protrudes to side edge of the chassis; locking mechanisms are installed at the two corners at rear edge of the chassis. In this invention, guide rollers are installed at two sides and the corners of front edge, so that the sliding friction with high resistance is converted into rolling friction with low resistance.

Abstract: The present invention relates to a kind of built-in movable pallet for containers, including the rectangular chassis with several rollers at the bottom. Several guiding mechanisms are set at both sides and the corners of front edge of the above-mentioned chassis; guiding mechanisms are guide roller structures; outer peripheral surface of guiding rollers protrudes to side edge of the chassis; locking mechanisms are installed at the two corners at rear edge of the chassis. In this invention, guide rollers are installed at two sides and the corners of front edge, so that the sliding friction with high resistance is converted into rolling friction with low resistance.

Abstract: The present invention provides a drag reduction device between carriages of high-speed multiple units for reducing air drag, which belongs to the technical field of railway carriages. The technical solution of the present invention is as follows: a drag reduction device between carriages of high-speed multiple units comprises side windshields arranged on side edges of each end wall of a carriage body. Each of the side windshields includes a bar rubber capsule and a rubber capsule frame whose shapes are matched with a curve of the side edge of the end wall of the carriage body. The rubber capsule is connected with the end wall of the carriage body by the rubber capsule frame. The device is simple in structure, convenient and quick to install, and the multiple units need not to be broken up or made up. Furthermore, the device can effectively reduce the air drag resulting from the impact of the airflow on the end wall of the carriage body and increase the running speed of the train.