55results about How to "Make a smooth transition" patented technology

The invention relates to a picking system (1) for picking articles from storage loading aids (2) in order loading aids (3), which system comprises a first and a second conveyor system (6, 7) for supplying and discharging the storage loading aids (2) and the order loading aids (3), and a picking station (5) having diverting conveyor systems (15, 16). The first diverting conveyor system (15) connects a transfer section (12) of the first conveyor system (6) for the storage loading aids (2) via a first transport path (17) to a receiving section (14) of the second conveyor system (7). The second diverting conveyor system (16) connects a transfer section (12') of the first conveyor system (6) for the order loading aids (3) via a further transport path (18) to a receiving section (14') of the second conveyor system (7) for the order loading aids (3). During further transport of the loading aids (2, 3) along the transport paths (17, 18) in the region of the diverting conveyor (15, 16), the leading ends (19, 20) of said loading aids always form the front end of the loading aids (2, 3) in the transport direction.

The invention relates to the field of ventilation systems, in particular to a bidirectional automatic dust removal and intelligent ventilation system and a bidirectional dust removing method. The bidirectional automatic dust removal and intelligent ventilation system is arranged in a communication computer room and is provided with a dust removing outlet and an air supply outlet. The bidirectional automatic dust removal and intelligent ventilation system comprises an air supply unit, a dust removing unit, a control system, an air conditioner, a mixed air supply duct, an air exhaust duct and an air hood. The air supply unit brings a micro positive pressure environment for the computer room during air supply so as to automatically exhaust hot air of the communication computer room and remove dust of a strainer at the same time; and the air supply unit brings a micro negative pressure environment for the communication computer room during air exhaust and dust removal so as to pump outdoor cold air into the communication computer room. The bidirectional automatic dust removal and intelligent ventilation system has the advantages of reducing the hardware cost of the system, and reducing the use cost and maintenance cost of the system. The air exhaust unit is not provided with an air blower, so that the failure rate of the air exhaust unit due to the damage of the air blower is reduced, the energy efficiency ratio of the whole system is improved, and the energy consumption of the whole system in normal use is reduced.

The invention relates to an anti-settlement structure at the head of a high embankment filled with soil. The anti-settlement structure at the head of the bridge includes an abutment, a pile foundation structure (12), a pavement structure layer (1), a slab structure layer (2) and a road base (5) ), said pavement structure layer (1) is laid on the board structure layer (2), it is characterized in that, one end of said board structure layer (2) is built on the abutment corbel (11) of the abutment Above, a pile foundation structure (12) is arranged under the slab structure layer (2), and is connected with the pile top of the pile foundation structure (12) to form a two-span or multi-span cast-in-place continuous slab structure, and the slab structure layer (2) A plain concrete layer (3) and a crushed stone cushion (4) are arranged in sequence, and the crushed stone cushion (4) is laid on the road base (5). Compared with the prior art, the invention has the advantages of smooth transition between the road and the bridge, excellent anti-settling performance of the bridge head, and the like.

The present invention relates to a processing technique for the top surface of a rail, which is implemented by the following process flows: primary baiting; saw cutting; press molding; secondary baiting; aligning; milling a compressed section rail base; fine tuning; drilling; milling blot grooves of the rail base and rail web; milling a working edge and a non-working edge of a rail head; milling a rail top and derating; quenching; and leveling. The fine turning flow comprises the following steps of: firstly, leveling the rail base of the rail, ensuring that the flatness of the rail base is less than or equal to 0.5mm; secondly, obtaining the relative altitude difference of the rail base, a rail top surface and two sides of the rail head, detecting the straightness of the two sides of the compressed section rail head and the straightness of the rail top surface by using a leveling ruler, ensuring that an idle line between the two sides of the molded section rail head and raw materials of the rail is 1mm, and the top surface of the molded section rail is 1.5mm higher than the top surface of the raw materials of the rail; and finally, detecting the 1:40 inclination of a heal end and the altitude difference of the rail base by using an altitude difference testing tool and 1:40 inclined testing equipment. According to the processing technique, a copying tool is used for machining the rail top surface of the 60D40 rail, so the molded section and a transition section are in smooth transition with the raw materials; the fitting degree of the machined top surface of the 60D40 rail is more complete; and the machining accuracy of the products is guaranteed.

A steam inlet valve ( 1 ) of a steam turbine, with a valve seat ( 2 ) and a valve body ( 3 ) which, when the valve is closed, bears via a contact region ( 5 ) with sealing effect on a contact region ( 5' ) of the valve seat ( 2 ). At least one of the two contact regions ( 5, 5' ) has at least one sealing region ( 6 ) which faces the other contact region ( 5, 5' ), a base region ( 7 ) which faces away from the sealing region ( 6 ), and a transition region ( 8 ) which is situated between them, wherein the sealing region ( 6 ) is formed from a sealing material (B) and the base region ( 7 ) is formed from a base material (A), which the valve seat ( 2 ) or the valve body ( 3 ) also approximately comprises. In order to increase the wear resistance of the contact regions ( 5, 5' ) and of the steam inlet valve ( 1 ) as a result of it, the concentration of the base material (A) reduces from the base region ( 7 ) in the direction towards the sealing region ( 6 ) in the same way as the concentration of the sealing material (B) reduces from the sealing region ( 6 ) in the direction towards the base region ( 7 ), so that both materials (A, B) are to be found in the transition region ( 8 ).

The invention relates to the technical field of tunnel traffic safety, in particular to a tunnel vertical curve line of sight induction system, suitable for expressway tunnels with a speed limit of 60-100km / h, including an uphill section, a slope section and a downhill section. In the vertical curve section of the tunnel, the induction system of the tunnel vertical curve section includes the sign 1 for turning on the high beam light set 200m before the starting point of the uphill section, the sign 2 for turning on the high beam light set at the starting point of the uphill section, and the sign 2 for turning on the high beam light set at the starting point of the uphill section Reflective sheets are added to the belt line of the side wall of the tunnel in the section and the downhill section, flexible sight-inducing columns with gradually changing heights are installed on both sides of the road in the uphill section and on both sides of the road in the downhill section, and U-shaped columns are installed in the entire vertical curve section. LED self-illuminating contour strips, fan-shaped reflective strips set on the side walls of the slope-changing section of the tunnel, and slope-changing point signs installed at the slope-changing points. The use of such segmented settings is based on driving tasks and driver human factor theory, and is easier for drivers to understand and implement.

The invention belongs to the technical field of medium-low speed maglev traffic engineering low-set lines and discloses a medium-low speed maglev single-line excavation section pile foundation support beam type rail bearing beam transition section structure. The transition section structure comprises pile foundation bearing structures, a reinforced concrete support beam, reinforced concrete rail bearing beam base plates, reinforced concrete beam type structures, two-side backfill filler of a rail bearing beam, a bridge abutment and end walls, wherein the reinforced concrete support beam is connected to the top end of each pile foundation bearing structure in a supported mode, the reinforced concrete beam type structures are connected to the top ends of the reinforced concrete rail bearing beam base plates in a supported mode, a first drainage ditch is arranged beside the two-side backfill filler of the rail bearing beam, and a first drainage slope is arranged on the side, away from the two-side backfill filler of the rail bearing beam, of the first drainage ditch. The transition section structure is higher in long-term stability, the high requirement for rail bearing beam structural deformation and post-construction settlement is met, the requirement for long-term stability, durability and construction quality controllability of a foundation bed is met, and smooth transition between a maglev elevated structure and a low-set line transition section F rail is effectively achieved.

The invention belongs to the technical field of medium-low speed maglev traffic engineering low-set lines and discloses a medium-low speed maglev single-line filling section independent pier stud type rail bearing beam transition section structure. The transition section structure comprises pile foundation bearing structures, reinforced concrete rail bearing beam base plates, reinforced concrete beam type structures, lower roadbed filler of a rail bearing beam, two-side backfill filler of the rail bearing beam, a bridge abutment, a trapezoid filling body and end walls, wherein one end of each reinforced concrete rail bearing beam base plate is arranged on the bridge abutment in an overlapping mode, and the end walls are arranged on the two sides of the end, arranged on the bridge abutment in the overlapping mode, of each reinforced concrete rail bearing beam base plate respectively. The transition section structure is higher in long-term stability, the high requirement for rail bearing beam structural deformation and post-construction settlement is met, and the requirement for long-term stability, durability and construction quality controllability of a foundation bed is met. By arranging the end, close to an elevated bridge, of each reinforced concrete rail bearing beam base plate on the bridge abutment in the overlapping mode, smooth transition between a maglev elevated structure and a low-set line transition section F rail is effectively achieved.

The invention discloses a micro-fluidic chip manufacturing method based on the nanofiber template method. Firstly, a receiving plate is coated with a photo-curing material layer to form a micro-fluidic chip substrate; secondly, near-field electrospinning or micro liquid spinning is conducted to obtain a first fiber layer with a certain pattern; thirdly, the receiving plate descends by a certain height along with a moving platform, orderly sedimentation of a second fiber layer is conducted, and spinning and curing are conducted layer by layer to obtain a photo-curing model combining orderly fibers with a photo-curing material; fourthly, a last fiber layer is communicated with the surface of the photo-curing model, and when the fibers are completely wrapped by the photo-curing material and certain allowance is reserved, forming of the photo-curing model is completed; fifthly, the photo-curing model is taken out and placed into a solvent, and ultrasonic shaking soluble fibers are added; sixthly, when micro-nanofibers are completely dissolved, the model is taken out to obtain a micro-fluidic chip. The soluble fibers serve as channel filler, and forming precision can reach the precision level same as that of the fiber diameter.

The invention belongs to the technical field of low lines of a medium and low-speed maglev transportation project, and discloses a pile foundation composite framing type bearing rail beam transition section structure for a medium and low-speed maglev double-line fill section. The pile foundation composite framing type bearing rail beam transition section structure comprises first pile foundation bearing structures, a pile foundation joist composite bearing structure, two rows of reinforced concrete bearing rail beam bottom plates, two rows of reinforced concrete girder structures, roadbed filler under a bearing rail beam, backfill at the two sides of the bearing rail beam, a bridge abutment, a trapezoidal filling body and an end wall, wherein the plurality of first pile foundation bearing structures are available; the top ends of the reinforced concrete bearing rail beam bottom plates support the reinforced concrete girder structures; the backfill at the two sides of the bearing rail beam is supported by the roadbed filler under the bearing rail beam. The pile foundation composite framing type bearing rail beam transition section structure is better in long-term stability, not only meets the high requirements on bearing rail beam structure deformation and post-construction settlement, but also meets the requirements on long-term stability, durability and controllability of construction quality of a foundation bed, and effectively realizes smooth transition from a maglev elevated structure to an F rail of a low-line transition section.