摘要:
Provided is a sound absorbing panel that can satisfy the heat resistance properties and melting/dripping resistance properties required inside of a railway vehicle. A pier sound absorbing panel (10) comprises five sheets of first through fifth glass cloths (13-17) that are stacked on an aluminum base plate (11). The edge section of the fifth glass cloth (17) is affixed to the rear surface of the base plate (11) using an adhesive, and the first through fourth glass cloths (13, 14, 15, 16) are fastened using staples. In other words, the first glass cloth (13) and the base plate (11) are fixed using an adhesive, and this adhesive is prevented from melting by the five sheets of the first through fifth glass cloths (13-17). The adhesive that fixes the edge section of the fifth glass cloth (17) at the other surface of the base plate (11) is prevented from melting by the five sheets of the first through fifth glass cloths (13-17) and the base plate (11).
摘要:
Provided is a sound absorbing panel that can satisfy the heat resistance properties and melting/dripping resistance properties required inside of a railway vehicle. A pier sound absorbing panel (10) comprises five sheets of first through fifth glass cloths (13-17) that are stacked on an aluminum base plate (11). The edge section of the fifth glass cloth (17) is affixed to the rear surface of the base plate (11) using an adhesive, and the first through fourth glass cloths (13, 14, 15, 16) are fastened using staples. In other words, the first glass cloth (13) and the base plate (11) are fixed using an adhesive, and this adhesive is prevented from melting by the five sheets of the first through fifth glass cloths (13-17). The adhesive that fixes the edge section of the fifth glass cloth (17) at the other surface of the base plate (11) is prevented from melting by the five sheets of the first through fifth glass cloths (13-17) and the base plate (11).
摘要:
An open/close control system for an inspection lid adapted not to open while a vehicle travels. The open/close control system has emergency release means (1) which disables power transmission of drive means for opening and closing a side entrance/exit door of a railway vehicle. The emergency release means (1) is installed in a space inside a wall surface (2) inside the vehicle, and the space can be opened and closed by the inspection lid (5). The emergency release means (1) has locking devices (7, 10) provided in the space inside the wall surface (2) in order to restrict rotation of the inspection lid (5), and also has an open/close controller for detecting traveling of the railway vehicle to actuate the locking device (10).
摘要:
Provided is a sound absorbing panel that can satisfy the heat resistance properties and melting/dripping resistance properties required inside of a railway vehicle. A pier sound absorbing panel (10) comprises five sheets of first through fifth glass cloths (13-17) that are stacked on an aluminum base plate (11). The edge section of the fifth glass cloth (17) is affixed to the rear surface of the base plate (11) using an adhesive, and the first through fourth glass cloths (13, 14, 15, 16) are fastened using staples. In other words, the first glass cloth (13) and the base plate (11) are fixed using an adhesive, and this adhesive is prevented from melting by the five sheets of the first through fifth glass cloths (13-17). The adhesive that fixes the edge section of the fifth glass cloth (17) at the other surface of the base plate (11) is prevented from melting by the five sheets of the first through fifth glass cloths (13-17) and the base plate (11).
摘要:
Provided are: a railroad vehicle that efficiently moves a door to an airtight position and makes it possible to maintain the air tightness of the door without increasing the size of a cylinder device even when the door must be moved across a distance to arrive at the airtight position; and a plug door for a railroad vehicle. When a door (8) moves to the position that is indicated by the two-dot/dash line in FIG. 1 , a piston (32) extends in the vehicle width direction, a pressing member (33) is brought into contact with the inner surface of the door (8), and the door (8) is moved toward a door frame (W) (in the vehicle body width direction). Due to the fact that an auxiliary pressing device (30) brings the piston (32) into perpendicular contact with the inner surface of the door (8), it is possible to efficiently move and press the door (8) without increasing the size of a cylinder device even when the door must be moved across a distance to arrive at an airtight position. In addition, the main pressing device (40) that is indicated in FIGS. 5(a)-5(b) is subsequently used to further press the door (8) toward the door frame (W).
摘要:
A friction stir welding apparatus (10) includes a rotating tool (1) provided with an upper rotating body (2) arranged to be axially adjustable in position by an upper actuator (20A), a lower rotating body (3) integral with a rotating main rod (16) extending through the upper rotating body and arranged to be axially adjustable in position by a lower actuator (20B), and a stirring part (4) formed in the rod (16). The upper rotating body (2) and the lower rotating body (3) clamp therebetween a joint (310) of members to be joined (300) placed with their end faces butting each other. The stirring part is rotated to stir the joint by frictional heat to join them. The rotating tool (1) includes a slide plate (5, 6) attached, through a thrust bearing (41, 42), to one or both of end portions of the upper rotating body (2) and the lower rotating body (3) facing each other to provide good finished surfaces of the joint.
摘要:
A working train (51) of a one-line unit system includes hopper cars (53a to 53e) with new ballast (NB) loaded thereon and a ballast working car (52). The ballast working car (52) has out-conveyors (57a, 57b) for allowing already laid ballast (B) to be scraped up and the scraped-up ballast to be conveyed onto a rearmost hopper car (53e) and an unloading conveyor (58) configured to unload the new ballast (NB) into a dug-up site (21) where the ballast B has been scraped up. The hopper car (53a, ···, 53e) has a first belt conveyor (61) which conveys the ballast (B) onto a forwardmost hopper car (53a) and second and third belt conveyors (62, 63) which convey the new ballast (NB) onto the unloading conveyor (58).
摘要:
A variable-wheel-gage bogie has axles (24), journal box beams (29) bearing the body weight of a wheeled vehicle, journal boxes (50) axially slidably fitted in the journal box beams (29), respectively, axle sleeves (30) put on each axle (24) and supported in journal bearings (51) on the journal boxes (50), respectively, wheels (36) fixedly joined to the axle sleeves (30), respectively, and locking mechanisms (60) for locking the wheels (36) so as to be axially immovable. The locking mechanisms (60) are disengaged by unlocking rails (73) extended along body support rails (70) that bear the body weight of a wheeled vehicle and are engaged by locking rails (74) extended along the body support rails (70). The locking mechanisms (60) can be operated in a state here the journal box beams (29) are supported on the body support rails (70) and the axle (24) is not loaded. Thus, the locking mechanisms (60) can be surely engaged to lock the wheels (36) so as to be axially immovable and can be surely disengaged to permit the axial movement of the wheels (36) for wheel-back-gage change.