35results about How to "Solve the bearer problem" patented technology

The present invention discloses a method for realizing packet data convergence protocol (PDCP) of LTE wireless relay system, characterized in that: an identification aiming at user equipment radio bearing is introduced at a PDCP layer of Un port, therefore multiplexing of different user equipment data is supported by the PDCP layer of Un port; in the process that user equipment UE produces business and establishes S1 bearing, the following steps are comprised: the relay node Un radio bearing reconfiguration process of the Un port between the relay node and evolution base station equipment is triggered; in the process of the relay node Un radio bearing reconfiguration, the evolution base station equipment and the relay node complete the many-to-one mapping between radio bearing of Un port user equipments and data radio bearing DRB of Un port relay, then establish the corresponding relationship between user equipment radio bearing identification and tunnel identification of GPRS tunnel protocol GTP which is borne by user equipment S1. In addition, the present invention also discloses a relay node and evolution base station equipment.

The invention provides a bearer establishing method of a local network. User equipment (UE) sends a packet data network (PDN) connection request through a home enhanced node B (HeNB) and indicates that PDN connection requested to be established by a mobility management entity (MME) is to connect the local network; the MME sends the bearer for establishing the local network to the UE according to the indication and inhibits information borne by the bearer for the local network to the HeNB; and the HeNB establishes the radio bearer of the local network for the UE according to the indication andthe data transmission between the UE and the local network according to the radio bearer. The invention solves the problem that the UE establishes the radio bearer of the local network through the HeNB, thereby enabling the UE to be smoothly accessed to the local network through the HeNB.

The invention relates to a light roof planting system and belongs to the technical field of roof greening. The planting system is fixedly arranged on an upper end surface of a roof and comprises a bearing body and a planting structure arranged in the bearing body, wherein the planting structure comprises a growth matrix layer and a plant layer growing above the growth matrix layer, the growth matrix layer is formed by basalt rock wool boards, the bearing body is felt with a root blocking layer, the root blocking layer is the middle layer, the inner side and the outer side of the root blocking layer are both covered with felt layers, a group of horizontally through overflow holes are uniformly formed in the outer side surface of the bearing body and are on the same horizontal plane, the overflow holes are used for allowing water to overflow, and the bearing body is higher than the growth matrix layer and used for shielding irradiation of sunlight on roots. The weight of the light roof planting system in a unit area is remarkably reduced, the system can be used for a roof of a common house structure, greening operation can be performed on roofs of a city on a large scale, and the basalt rock wool boards can prevent secondary diseases and insect pests, can be recycled and can perform thermal-insulation and consumption-reduction functions.

The invention is used for improving the transmission efficiency of Iub interface and uses SDTP protocol to make data transmission of Iub interface. For each FP layer connection, the bottom layer needs to provide two links; when the length of FP frame is less than M bytes, one of said links maps the IP address and UDP port number to the SDTP node number and MUX-AL port number; when the length of FP frame is more than M bytes, another link directly uses IP address and UDP to package and adopt D-AL to bear.

The invention discloses an aircraft cabin structure with a large opening, which is a conical-cylindrical riveted structure, the upper part is a conical section, the lower part is a cylindrical section, and the opening is located in the cylindrical section; The structure comprises a skin, a plurality of frame rings arranged horizontally and a plurality of stringers arranged vertically, the plurality of frame rings sequentially comprise a conical segment front end frame from the top to the bottom, The middle frame of the cone section, the connecting frame of the cylinder cone, several middle frames of the cylinder section, and the rear end frame of the cylinder section are respectively provided with a cone section reinforcing stringer, a front joint, a beam of the cylinder section, and a rear joint on each side of the left and right sides of the opening from the top to the bottom. The middle frames of the cylinder section on the upper and lower sides of the opening are respectively arranged as the middle frame I of the cylinder section and the middle frame V of the cylinder section. Various reinforcing structures are arranged around the large-scale opening of the cabin body to realize the transmission and diffusion of concentrated forces on both sides of the opening.

The invention provides a U-shaped tunnel-crossing beam transporting vehicle with an adjustable wheel track and a beam-feeding method of the U-shaped tunnel-crossing beam transporting vehicle. The beamtransporting vehicle at least comprises a vehicle body, traveling wheel sets and a beam carrying trolley; the vehicle body comprises a middle beam located in the middle and two side beams located onthe two sides; a plurality of cross beams are arranged in the longitudinal direction of the middle beam in a penetrating mode at intervals; the two ends of the outer sides of the multiple cross beamsare connected to the lower ends of the side beams correspondingly, so that the U-shaped structure of the vehicle body is formed; the traveling wheel sets are located at the lower ends of the side beams of the vehicle body and detachably connected with the side beams of the vehicle body, and the lower ends of the side beams are provided with two supporting positions of the traveling wheel sets; andthe beam carrying trolley comprises a front beam carrying trolley body and a rear beam carrying trolley body which are detachably connected. Therefore, according to the U-shaped tunnel-crossing beamtransporting vehicle with the adjustable wheel track and the beam-feeding method of the U-shaped tunnel-crossing beam transporting vehicle, the space below the flanges of box girders is utilized to the greatest extent, the transporting height is decreased, the transporting requirement of the large-span large-tonnage box girders can be met, especially the requirements for tunnel-crossing transporting of the box girders can be achieved, the forward travelling range of the front trolley body is further expanded, and longitudinal stability when a front cart of a bridge erecting machine takes the girders is improved.

The invention relates to a main steel frame node device of a tower type supercritical boiler and a connecting method. The stress of a traditional column is lower than 4000 tons; and as the stress of a tower type boiler is characterized in that the stress of a single rod is great, the length is great. The product comprises a beam (1), wherein assembly columns (2) are connected at two ends of the beam respectively, the lower end of the beam is connected with the lower parts of the assembly columns through a vertical support (3), each assembly column comprises a lower-section column, each lower-section column is connected with an end plate of the lower-section column, each end plate of the lower-section column is connected with an end plate of an upper-section column through a bolt, each end plate of the upper-section column is connected with the upper-section column, the lower-section columns and the upper-section columns are connected with annular stiffening ribs, the lower-section columns and the upper-section columns are connected with the end plates, the end plates are connected with box-shaped transition pieces through bolts, the box-shaped transition pieces are connected with a connecting plate, and the box-shaped transition pieces and the connecting plate constitute the vertical support. The invention is used for tower type supercritical boilers.

The invention provides a tunnel passing girder transporting vehicle. The tunnel passing girder transporting vehicle comprises a vehicle body, a plurality of hydraulic supporting leg groups, a plurality of travelling wheel groups, a supporting switching structure and a girder carrying trolley; the vehicle body is provided with two outer side supporting girders and two inner side longitudinal girders which are parallel to each other, the two inner side longitudinal girders are located between the lower ends of the two outer side supporting girders, and a plurality of transverse girders are connected to the two outer side supporting girders and the two inner side longitudinal girders at intervals; a groove-shaped structure for storing a box girder is formed between the two outer side supporting girders; the multiple hydraulic supporting leg groups are arranged at the lower ends of the two outer side supporting girders at intervals from front to rear, and the multiple travelling wheel groups are connected to the lower ends of the two outer side supporting girders at intervals from front to rear; the supporting switching structure is provided with a front fixing supporting assembly anda plurality of rear fixing supporting assemblies, the front fixing supporting assembly is arranged on a cross girder at the front end of the vehicle body, and the multiple rear fixing supporting assemblies are arranged on all cross girders at the rear end of the vehicle body; and the girder carrying trolley is provided with a front girder carrying trolley body and a rear girder carrying trolley body, and the front girder carrying trolley body and the rear girder carrying trolley body are movably arranged on the two inner side longitudinal girders. The tunnel passing girder transporting vehiclecan solve the problem of passing a tunnel of a transporting vehicle carrying large-span and large-tonnage box girders.

The invention relates to an overweight horizontal high-pressure heater hoisting system and hoisting method. The overweight horizontal high-pressure heater hoisting system comprises a first crawler crane, a second crawler crane and a hauling slide way; the main arm rotating coverage ranges of the first crawler crane and the second crawler crane are partially overlapped, and the hauling sliding wayis located on the outer side of the longitudinal area where the first crawler crane and the second crawler crane are located and is close to the first crawler crane in the transverse direction; the distance between the first crawler crane and the hauling slide way is 3500mm-4500 mm shorter than that between the second crawler crane and the hauling slide way, a to-be-hoisted object enters from theedge of the coverage area of the second crawler crane and one side close to the first crawler crane, and the central axis of the hauling slide way is perpendicular to the longitudinal direction, and the starting point of the to-be-hoisted object and the hauling slide way are positioned on two sides of the first crawler crane respectively. Hoisting in place of large and heavy equipment such as 320-ton equipment is achieved, and the equipment can rotate by 90 degrees.

The embodiment of invention discloses a SDH signal transmission method, a device and a system, which relate to wireless communication field and can solve the problem that when a PDH signal is multiplexed with a SDH signal, the generated bandwidth is insufficient. The SDH signal transmitting method includes that SDH container in SDH signal is simplified through stuffing byte or cost reduction; the SDH signal with simplified SDH container is transmitted. The SDH signal receiving method includes that a SDH signal is received, and the simplified SDH container of the SDH signal is recovered through the recovery of stuffing byte or cost. The embodiment of invention is applicable to SDH transmission in wireless communication field.

The invention discloses a supporting device for a roof advance support in the process of tunneling in caving loose rock mass and application of the supporting device. The device is composed of round tubes, steel plates and a steel tube. The four round tubes are arrayed in a rectangular mode and divided into two sets of round tubes, the steel plates are welded to the ends of both the sets of round tubes, and the steel plates are connected through the steel tube in a supported mode. In the construction process, four horizontal holes are drilled firstly in the two walls of a tunnel according to the distance and the length of the round tubes, the round tubes are inserted into the horizontal holes, the round tubes are exposed out of the lateral walls of the tunnel about 0.2 m, then the steel plates are welded to the exposed parts of the round tubes respectively, and the steel tube is welded between the upper layer steel plate and the lower layer steel plate. In the using process, I-steel or other materials are welded to the upper layer steel plate of the device, so that a roof beam used as the roof advance support is formed. The supporting device is suitable for driving in mine unstable rock mass or tunneling in the loose rock mass after a gob collapse, the roof support problem of the caving loose rock mass is solved, and the supporting device has the advantages of being simple in structure, reliable in performance, convenient for a worker to operate and the like.

The invention discloses an on-orbit impact resistant three-stage fault-tolerant butt joint mechanism and realizes first-stage fault tolerance between a driving end and a driven end through matching ofa gripper grabbing end mounted at the driving end and a butt joint groove which is circumferentially designed at the driven end and matched with the grabbing end in shape. A guide rod installed on anend face of the driving end and a slot designed in an end face of the driven end are matched and connected in an inserted mode, secondary fault tolerance between the driving end and the driven end isachieved, three-stage fault-tolerant stage on-orbit impact resistance between the driving end and the driven end is achieved through matched insertion connection of tooth-shaped butt joint blocks installed at the driving end and the driven end in the circumferential direction. The mechanism is advantaged in that a guiding problem of correct plugging of an electric connector is solved through first two stages, through third-stage fault tolerance, an electric connector is not stressed after being plugged.

The invention provides a wharf caisson water taking device and a construction method. A reinforcing bar caisson comprises a caisson compartment which is formed by a front wall, a rear wall, side walls, a longitudinal separating wall and a transverse separating wall and is characterized in that a flow guiding wall is arranged in the reinforcing bar caisson, a water inlet hole is formed in the frontwall, energy dissipation holes are formed in the longitudinal separating wall and the transverse separating wall, a hole is formed in the rear wall, the hole is connected with a large water taking pipe, the large water taking pipe is provided with a water sealing component, and concrete is poured on part of the bottom and top of the caisson compartment to form a dam body of a gravity wharf, the lower portion of the dam body is a block stone bed on the sea floor, the upper portion is a reinforcing bar concrete breast wall, the rear side is a block stone prism, and the top is a surface layer structure. According to the device, a water taking port is combined with a large wharf structure, a sea area is not needed to be selected separately to form the water taking hole, the occupation on thesea area is reduced, a large amount of construction time is saved, and a large amount of engineering cost is saved. The caisson water taking structure is reasonably arranged to protect the safety of facilities in a harbor basin.

The invention discloses a drag-lift type composite medium-sized magnetic suspension wind driven generator which comprises a column tower, a generator motor and blades. The generator motor comprises a rotating portion, a fixed plate and a rotating plate, wherein the rotating portion is connected with the blades and is driven to rotate by the blades; the fixed plate is fixed on the column tower; the rotating plate is matched with the generator motor and is connected with the blades; a magnetic suspension device is arranged between the fixed plate and the rotating plate; the generator motor comprises a first column and a cylindrical rotating portion, the first column is fixedly carried by the fixed plate, the cylindrical rotating portion rotates around the first column, splines are outwards convexly arranged on the outer surface of the rotating portion, at least one interference portion is fixed on the rotating plate, and each interference portion is inserted between the corresponding two splines and interferes with the two splines; the rotating plate shares the weight carried by the rotating portion; and the rotating portion of the generator motor is provided with the splines which are matched with the interference portions on the rotating plate. The drag-lift type composite medium-sized magnetic suspension wind driven generator is simple and practical in structure, and manufacture and assembly costs are effectively reduced.

The invention discloses a stacked corrugated annular stretching structure and a process thereof. The stacked corrugated annular stretching structure is formed by annularly unfolding n corrugated units along a covering film, covering a panel and fixing. The hollow corrugated unit is formed by stacking n + 1 plane base bands and n corrugated base bands, an auxiliary plate is glued and pressed on the plane base band on the outermost side of the stacked corrugations, and a covering film is pasted on the surface of only one side. When in use, the auxiliary plate is annularly stretched and unfolded along the covering film and is combined and fixed. The stacked corrugated annular stretching structure is characterized in that the n corrugated units are in a radial shape and are perpendicular to the ground to support the panel, and the middle of each corrugated unit is a hollow cylinder. The forming method comprises the following steps that S1, the stacked corrugations are prepared; s2, glue pressing, drying and shaping; and S3, pasting a side film. The unfolding method comprises the following steps that S1, the auxiliary plate is annularly unfolded, combined and then fixed; s2, fixing the seat surface;