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The present invention relates to a bumper system for a vehicle, and provides a bumper system for a vehicle, the system comprising: a bumper beam which has a fastening hole formed through each end thereof in the forward and backward direction; a crash box which is inserted into the fastening hole of the bumper beam; and a bracket which is fastened to the bumper beam so as to be able to prevent the crash box from being separated. Thereby, the system can meet both low speed crash regulations and RCAR performance.

The invention relates to an edge trimmer, in particular to an intermittent round iron sheet edge trimmer. The invention provides an intermittent circular iron sheet edge trimmer which can automatically cut the iron sheet and at the same time fix the iron sheet and intermittently rotate it. An intermittent circular iron sheet trimming machine, including: a frame and a motor, the motor is installed on the frame; a transmission device, a transmission device is provided on one side of the frame; The side is equipped with an intermittent rotating device; the pressing device is provided, and the middle of the frame is provided with a pressing device. Through the design of the transmission device, the present invention can drive the repeated movement of the pressing device, cooperate with the pressing device to realize the trimming of the circular iron sheet, and fix the time of pressing and trimming, making the trimming more standardized; through waste collection The design of the device moves the scraps of the round iron sheet trimmed in the collection bucket out of the collection bucket through the chute, which can clean the inside of the collection bucket and make the inside of the collection bucket more tidy.

The invention discloses a heat-resistant structure for a tunnel kiln car, and relates to a kiln car heat-resistant structure. The heat-resistant structure comprises a convex coaming plate, a concave coaming plate, side coaming plates, front coaming plates and back coaming plates; the convex coaming plate and the side coaming plates are connected through coaming plate channel steel, the concave coaming plate and the side coaming plates are connected through coaming plate channel steel, and the coaming plate channel steel is fixed to a frame of the kiln car; a convex coaming plate convex plate is arranged at the upper end of the face, far away from the kiln car, of the convex coaming plate, and a concave coaming plate convex plate is arranged at the upper end of the face, close to the kiln car, of the concave coaming plate; side coaming plate convex plates are arranged at the upper ends of the faces, far away from the kiln car, of the side coaming plate; front coaming plate convex platesare arranged at the upper ends of the faces, far away from the kiln car, of the front coaming plates, and back coaming plate convex plates are arranged at the lower ends of the faces, far away from the kiln car, of the back coaming plates; and heat-resistant cotton, earth and red bricks are sequentially laid on the upper surface of the kiln car from bottom to top. According to the heat-resistantstructure for the tunnel kiln car, the service life of the kiln car is significantly prolonged, the manufacture cost and the maintenance cost of the kiln car are significantly reduced, refractory bricks are replaced with the earth and the red bricks, and almost no maintenance cost is generated.