8results about How to "Guaranteed connection" patented technology

The invention discloses a high-speed rail box girder retaining wall lifting and distributing construction device and method, and relates to the technical field of high-speed rail box girder retaining wall construction. The high-speed rail box girder retaining wall lifting and distributing construction device comprises a lifting platform truck, and the lifting platform truck comprises a walking chassis and a lifting platform mechanism arranged on the walking chassis; the lifting platform mechanism can be arranged and connected to one side of the box girder to construct a construction lifting conveying channel of the upper box girder and the lower box girder so as to convey construction materials and construction equipment between the ground and the top face of the box girder. The material distribution pouring vehicle can move up and down the box girder through the lifting platform mechanism so as to transfer concrete for pouring, and can pour the concrete into the box girder retaining wall pouring cavity; and the carrying equipment is used for carrying construction materials and can go up and down the box girder through the lifting platform mechanism. The construction efficiency of the high-speed rail box girder retaining wall can be improved, equipment and mold turnover is flexible and fast, and the manual labor intensity and the construction cost are reduced.

The utility model discloses an air switch turnover device which comprises a turnover wheel, a product feeding position is installed at the position of the inner side of the turnover wheel, a curved surface workpiece is arranged at the position of the inner side of the turnover wheel, the air switch turnover device is a mechanism capable of achieving simultaneous turnover of a plurality of air switches, and the turnover mechanism is composed of the turnover wheel and a vertical plate reinforcing piece fixed to the turnover wheel. According to the turnover mechanism, the turnover wheel is arranged on the base, a clamping mechanism composed of a spring and a cam follower is additionally arranged on the turnover wheel, it is guaranteed that a product is unlocked when entering the turnover mechanism, the product is clamped not to be thrown out in the turnover process, the rotation angle of each time is 90 degrees, and the size of the turnover wheel is matched with the size of an air switch. The air switch overturning device can flexibly overturn an air switch by 90 degrees on a production line and then send the air switch to the next process, continuous output can be achieved to guarantee connection between the upper process and the lower process, the vertically-standing air switch is easy for a follow-up work station, meanwhile, the working space is saved, the structure is simple, maintenance is easy, and the maintenance cost is low.

The invention discloses a VORR voice service recovery method and a VORR voice service recovery system. The method comprises the following steps of: establishing a VORR voice dedicated loading starting redirection mechanism of a user; the P-CSCF sends an AAR message to the disaster recovery system; and the disaster recovery system sends an RAR message to the P-CSCF, and informs the user that the VORR voice dedicated load is established. According to the method, the address and the port number of the SMF serving the user are accurately obtained for the P-CSCF network element through the disaster recovery system, the VORR special load establishment request is established and sent to the SMF and the PCF network element are bypassed, establishment of the VORR voice special load of the user is completed, time delay is not increased, and normal connection of voice is guaranteed.

The new and old road widening structure comprises an original road, the original road comprises an original roadbed and an original road surface arranged above the original roadbed, an original drainage system is arranged in the original roadbed and comprises a plurality of longitudinal drainage pipelines and transverse drainage pipelines, the transverse drainage pipelines are communicated with the longitudinal drainage pipelines, and the transverse drainage pipelines are communicated with the original road surface. A new road is built on one side of the original road in an extending mode and comprises a new roadbed and a new road surface, and a connecting drainage piece is arranged between the new roadbed and the original roadbed and used for strengthening connection between the original roadbed and the new roadbed and providing drainage paths for the new roadbed and the connection position of the new roadbed and the original roadbed. The structure realizes connection of new and old roads and connection of drainage in the new and old roads, improves the overall bearing capacity of the roads and prolongs the service life of the roads; the invention further provides a construction method, the construction efficiency is improved, and the construction process is simplified.

The utility model provides a multi-way valve with a magnetic angle sensor, which comprises a multi-way valve body and a motor connected with a rotor of the multi-way valve body, a PCB (printed circuit board) control board is arranged on the upper side of the motor, a code disc mechanism is arranged at one end, close to the multi-way valve body, of an output shaft of the motor, and a magnetic angle detection chip is arranged at the other end of the output shaft of the motor. One side of the magnetic angle detection chip is provided with a radial magnet, the radial magnet is installed on an output shaft of the motor, and the PCB control board is connected with and controls the motor, the coded disc mechanism and the magnetic angle detection chip. The multi-way valve has the advantages that the coded disc mechanism is matched with the magnetic angle detection chip and the radial magnet, and the technical problem that according to an existing multi-way valve, the rotation angle of a motor is not accurately positioned is solved.

The utility model discloses a stable type adjustable lifting seat which comprises a base, a buffer seat is fixedly connected to the interior of the base, a stabilizing pipe is fixedly connected to the top of the buffer seat, a lifting threaded rod is slidably connected to the interior of the stabilizing pipe, and the outer wall, close to the stabilizing pipe, of the lifting threaded rod is in threaded connection with an adjusting nut. The outer wall, close to the adjusting nut, of the lifting threaded rod is in threaded connection with a locking nut, the outer wall, close to the locking nut, of the lifting threaded rod is in threaded connection with a fixing nut, the fixing base moving upwards drives the stabilizing base to move upwards, and the stabilizing base moving upwards drives the connecting pipe to move upwards through the overturning rod. The connecting pipe moves upwards to drive the stabilizing plate to move upwards, the stabilizing plate moving upwards can make the stabilizing plate overturn around the overturning rod by limiting the limiting pipe through the locking groove, the stabilizing plate in overturning movement can overturn along with rising of the fixing base, and stability of the fixing base can be kept.

The invention relates to a vehicle transportation task seamless arrangement control method based on space-time three-dimensional collaborative optimization. The method comprises the following steps: constructing a task operation point set and a space-time constraint set; under the space-time constraint set, taking minimization of vehicle completion time and task gap time as an optimization target, and solving to obtain a task sequence corresponding to each operation point; according to the method, time arrangement is carried out on a task sequence corresponding to each operation point, seamless connection verification is carried out on adjacent tasks corresponding to the same operation point, local scheme adjustment is carried out when verification fails, and the working state of each vehicle is correspondingly controlled based on all successfully verified task sequences. And closed-loop control is carried out on the running process of the vehicle between the operation nodes. Compared with the prior art, the space-time accurate matching of the transport vehicle and the transport task can be realized through the space-time accurate control of the automatic driving transport vehicle, the task interruption and the vehicle waiting can be effectively avoided, the task can be continuously executed on the time axis, and the seamless connection can be realized.

This invention provides a vehicle braking control method, system, vehicle, and electronic equipment, relating to the field of vehicle braking technology, to solve the problem of uneven vehicle braking caused by delayed intervention of electromagnetic braking force and asynchronous response with friction braking force. The method includes: in response to detecting that the brake pedal opening is greater than a braking trigger threshold, sending a braking trigger signal to a motor controller; the motor controller executing a braking operation according to the control command of the brake controller; determining the target electromagnetic braking force requirement and the target friction braking force requirement based on the rated electromagnetic braking force limit of the motor controller, the preset charging power of the battery, and the total braking force requirement; generating a first control command based on the target electromagnetic braking force requirement and sending it to the motor controller to cause the motor controlled by the motor controller to execute a corresponding electromagnetic braking response; and generating a second control command based on the target friction braking force requirement to control the braking actuator controlled by the brake controller to execute a corresponding friction braking response.