58results about How to "Reliable push" patented technology

A filter piston apparatus (10) for dispensing respectively predetermined volumes of pulverulent bulk material (50) has a metering chamber (13) which accomodates in each case a predetermined volume of bulk material (50), which is present at the end of the circular-cylindrical bore (12) and which has its base formed by the filter (52) of the piston (14). It is possible for the metering chamber (13) to be attached to a positive-pressure or negative-pressure gas source through a filter (52), which is permeable to gas but impermeable to the bulk material. The wall of the piston (14) has a transverse slot (22) and an inner groove (32) located radially opposite the transverse slot (22), such that the filter (52) can be pushed into the slot (22) from the outside and, in its state in which it is seated in the piston (14), can be secured on both sides in the axial direction (24) of the piston (14) along its periphery.

The invention discloses a message push method and system based on MQTT and MYSQL. The method comprises the following steps: a server establishes a communication connection with a client based on an MQTT protocol; the server calls push data from an MYSQL database according to a business instruction and sends the push data to the client that has established the communication connection; and the server monitors a replay confirmation message of the client, and resends the push data if not monitoring the replay confirmation message of the client. According to the method disclosed by the invention, the connection mapping between the server and the client is maintained by adopting the MQTT, and a plurality of clients are connected with the server through a TCP long connection, so that the connection mapping between the clients and the server is simpler. Meanwhile, by means of the repeated confirmation mechanism of the server and the repeated extraction mechanism of the client, reliable message push is ensured.

A fuel tank opening-closing device is equipped with a flap valve mechanism 20 and an opening-closing activation mechanism. The opening-closing activation mechanism comprises a nozzle detection mechanism that has a first detection parts and a second detection parts. The first detection parts are linked with the locking member and the locked part so as to move the lock engaging part and the locked engagement part while maintaining each of the overlap widths within the preset range, being pressed by the end of the fueling nozzle. The second detection parts are linked to the locking member so as to move from the locked position to the unlocked position by releasing the overlap width by being pressed by the end of the fueling nozzle.

The invention discloses a pushing system and method for a PLC multipoint synchronous three-dimensional hydraulic bridge. The pushing system comprises a pushing monitoring system and multiple groups ofwalking-type three-dimensional hydraulic pushing devices for pushing pushed steel box beams, and each pushing buttress is provided with a left temporary supporting base and a right temporary supporting base which are symmetrically distributed. The pushing method includes the steps of 1, constructing assembly jig frames and temporary buttresses; 2, constructing a three-dimensional adjusting device, the pushing devices and the temporary supporting bases; 3, carrying out steel-box-beam assembling and synchronous pushing; 4, carrying out steel-box-beam pushing. According to the pushing system andmethod for the PLC multipoint synchronous three-dimensional hydraulic bridge, steel box beams are synchronously pushed forwards multiple times through the multiple groups of walking-type three-dimensional hydraulic pushing devices, pushing controlling is easy and convenient, synchronous action of the multiple groups of walking-type three-dimensional hydraulic pushing devices can be easily and conveniently achieved, pushing positions are flexibly distributed, guide beams and sliding rail beams for longitudinal pushing are not required, self-balancing pushing is really achieved, and the pushingprocess is safe and reliable.

The invention provides a message processing method, device and equipment. The method comprises the steps: storing a message in a data queue, and determining the position information of the message inthe data queue; sending the message to a receiver, and determining a target mark corresponding to the message; storing the corresponding relationship between the target mark and the position information into an operation queue; when the message in the data queue is processed, based on the position information of the message in the data queue, obtaining a target mark corresponding to the position information from the operation queue; and processing the message according to the target mark. Through the technical scheme of the invention, the storage, updating and deletion operations of the messages are sequentially added to the queue, the operations of the disks are sequentially read and written, the time complexity is relatively low, the disk bandwidth can be fully utilized, and extremely high throughput is realized.

The invention relates to a connector for IC card, which can make the electrode of IC card with thick thickness and IC card with thin thickness contact with contact in housing in normal bending amount. The housing can insert and remove at least two IC cards of different thickness. A cover covvers on the housing after storing each part article. A contact for card is formed in one side of the bottom. A contact for card is formed in the other side of the top. A clapboard which can moves freely in the housing is mounted on the connector for IC card. On inserting IC card of one side, the clapboard is thrusted in and the IC card of one side is held between the two card contacts to release contacting. On inserting IC card of the other side, the IC card moves to the clapboard to make the IC card of the other side held between the clapboard and card contact of any side to release contacting.

The invention discloses a steel box girder incremental launching construction method based on walking type three-dimensional hydraulic incremental launching equipment. The two ends of a construction steel box girder are each supported on a girder end pier, and the construction steel box girder is divided into a first girder body and a second girder body with a midspan pier being the boundary; incremental launching construction includes the steps that 1, temporary piers and midspan temporary piers are constructed; 2, incremental launching is conducted on the girder bodies synchronously throughthe walking type three-dimensional hydraulic incremental launching equipment; 3, midspan closing is conducted. The walking type three-dimensional hydraulic incremental launching equipment is adopted for conducting incremental launching on the two girder bodies synchronously until the two girder bodies of the constructed steel box girder are closed from two sides to the midspand; incremental launching of the walking type three-dimensional hydraulic incremental launching equipment is easy and convenient to control, multiple sets of walking type three-dimensional hydraulic incremental launching equipment can easily and conveniently act synchronously, incremental launching positions are arranged flexibility, a guide beam and a slideway beam used for longitudinal incremental launching are not needed, self-balance incremental launching is really realized, and the process of incremental launching is safe and reliable.

A gear noise preventing device is formed so that, at the time of a reverse gear shift operation, in accordance with a select operation of a shift lever, a first head (61) that rotates integrally with a shift select shaft (20) rotates a second head (62) supported on a third and fourth fork shaft (52), the rotational force of the second head (62) is transmitted to a third head (63) formed integrally with a fifth and sixth fork shaft (53) to axially move the fifth and sixth fork shaft (53). The gear noise preventing device further includes a coil spring (71) that urges the second head (62) in a direction that coincides with a direction in which the fifth and sixth fork shaft (53) moves; and a snap ring (72) that restricts a stroke by which the second head (62) is moved by an urging force of the coil spring (71).

A circuit board connector (1) includes terminal groups (4) in which a plurality of terminals (10) are arranged. A downward extending portion (16) of the terminal (10) constituting the terminal group (4) is formed with a press-fit portion (20) to be press-fit into a mounting hole (102) of a circuit board (100). Receiving portions (31, 32) projecting in a direction intersecting with a press-fitting direction are respectively formed on outer edge parts (12A, 12B) on opposite sides in an arrangement direction on a side behind the press-fit portion (20) in the press-fitting direction. The receiving portions of each terminal (10) are located at positions different in the press-fitting direction, and the receiving portions respectively formed on the outer edge parts facing each other are located at positions different in the press-fitting direction between adjacent terminals adjacent in the arrangement direction.

The invention discloses an existing-road-crossing cast-in-situ trough beam three-point sliding jacking construction method. The method comprises steps of 1, pier and temporary pier construction; 2, slideway beam erection; 3, horizontal crossbeam layout; 4, trough beam cast-in-situ construction; 5, traction device installation; 6, jacking; 7, beam dropping. According to the method, design is reasonable, construction is easy, and the use effect is good; two back slide beams and one front slide beam are used for forming a three-point longitudinal passage, and horizontal cross beams are laid at the bottoms of the front end and the back end of the cast-in-situ trough beam respectively, the problem that deformation of the slide beams on the to sides is asynchronous in existing-road-oblique-crossing cast-in-situ trough beam jacking construction can be effectively solved; in addition, temporary piers are constructed on the two sides of an existing road in the cross bridge direction respectively, the temporary pier construction workload can be effectively reduced, and the cost can be effectively reduced; meanwhile, the influence on use of the existing road can be effectively reduced or evenavoided.

The invention provides a safe food processor. The safe food processor comprises a machine base, a first stirring cup connected to the bottom of the machine base, and a second stirring cup arranged atthe top of the machine base. A vertically arranged motor is arranged in the machine base; a motor comprising a motor shaft, two ends of the motor shaft extend out of the motor; a safety bottom cover is arranged at the bottom of the machine base; a safety top cover is arranged at the upper end of the machine base, a safety switch assembly is arranged in the machine base, the upper end of the safetyswitch assembly is in linkage with the safety top cover or the second stirring cup, the lower end of the safety switch assembly is in linkage with the safety bottom cover or the first stirring cup, and the food processor can work only after the second stirring cup and the safety bottom cover are arranged in place; or the food processor can work only after the first stirring cup and the safety topcover are arranged in place. The safety top cover and the safety bottom cover guarantee that the two ends of the motor shaft cannot be exposed in the working process of the food processor, and the safety of a user is guaranteed; and meanwhile, motor damage caused by overlarge load when the first stirring cup and the second stirring cup are mounted at the same time can be avoided.

The invention discloses an automatic receiver-transmitter cabinet for a material pneumatic conveyor system. The automatic receiver-transmitter cabinet comprises a cabinet body which is provided with a receiving-transmitting port, and the cabinet body is internally provided with a receiving bottle storage device and a receiving-transmitting piping device which are matched with each other; the receiving-transmitting piping device communicates with an external pneumatic conveying piping through the receiving-transmitting port for receiving sample bottles conveyed, and the receiving bottle storage device comprises a receiving bottle pushing assembly and a bottle storage box which is provided with a plurality of bottle storage positions; and the receiving bottle pushing assembly approaches to the receiving-transmitting piping device, and is used for conveying the sample bottles received into the bottle storage box for storage. The automatic receiver-transmitter cabinet disclosed by the invention has the advantages of simple and compact structure, high automation degree and intelligent degree, and high working efficiency.

The invention relates to a LeapMotion gesture recognition-based screen control system and method, the system comprises a binocular camera, a LeapMotion device, a gesture recognition computer and a server which are connected in sequence; the server is connected to a screen computer, the screen computer is connected to a screen display, and the binocular camera is used for collecting a hand action image of a user; the LeapMotion equipment generates a corresponding 3D model according to the hand action image; the gesture recognition computer is used for performing gesture recognition on the 3D model and outputting a gesture action signal instruction; the server outputs a corresponding screen data picture skip instruction to the screen computer according to the gesture action signal instruction; and the screen computer controls switching of the data pictures on the screen display according to the screen data picture skipping instruction. Compared with the prior art, gesture action recognition can be quickly and accurately carried out on hand movement of a user, and the purpose of non-contact screen control is achieved.

A printing device has a guide roller that guides a print medium in a conveyance direction; an intersect roller pair that holds the print medium guided by the guide roller between a first roller that rotates on an axis of rotation in the conveyance direction of the print medium and a second roller that rotates on an axis of rotation that intersects the axis of rotation of the first roller; a conveyance roller pair that conveys the print medium held by the intersect roller pair in the conveyance direction by a conveyance drive roller driven by a drive means and a conveyance follower roller that rotates with the conveyance drive roller; and a print unit that prints on the print medium conveyed by the conveyance roller pair.

The invention discloses a unified pushing platform and method based on private cloud, and a terminal. In the prior art, due to the fact that functions of mobile phone short messages, enterprise WeChatand mails need to be integrated into each product to send the information to users when necessary, problems that the situation of push message loss often occurs, reliability cannot be guaranteed andthe architecture design of the micro-service is applied, and a result generated by a back end is difficult to push to a specified front end user in real time as the front end and the back end are separated and multiple parts are deployed at the same time in the mode of sending the information to the user as required are solved. Messages to be pushed by all products are sent to a unified pushing platform, and that the messages are reliably pushed to a user side in the high-concurrency and large-data-volume message sending process is guaranteed, and production efficiency in the product researchand development period is greatly improved.

The invention belongs to the technical field of carton sheet pushing, and particularly relates to a carton sheet pushing device used in packaging field. The carton sheet pushing device comprises a speed reducing motor, a sheet storage shell, a guide telescopic plate, a conveying mechanism, a bottom plate, a sheet blocking plate and a sheet licking roller. In the case of a traditional carton sheetpushing device, carton sheets of the device are pushed out from the lower side of the sheet storage shell, and the carton sheets which are to be pushed each time is subjected to the gravity exerted from the other carton sheets located on the upper side, so that the carton sheets located on the lower side suffer big resistance. Compared with the traditional carton sheet pushing device, a pushing opening of the carton sheet pushing device used in the packaging field is located on the upper side of the sheet storage shell, so that the pushed carton sheets are not affected by other carton sheets after being pushed each time, and pushing resistance is small; and in addition, according to the designed pushing device, the pressure of the sheet licking roller exerted on the carton sheets is stable, and meanwhile a small pressure is kept, so that the normal movement of the carton sheets cannot be influenced due to overlarge pressure of the sheet licking roller on the carton sheets.

The invention relates to a PE pipe conveying device for repairing an underground old sewage pipeline, and belongs to the field of municipal engineering. The PE pipe conveying device comprises a base, one end of the base is vertically provided with a supporting seat, the supporting seat is provided with a horizontal driving mechanism used for pushing a PE pipe to move into an old sewage pipeline, the base is provided with a containing base, a plurality of pushing pieces which are sequentially stacked are arranged on the containing base, the horizontal driving mechanism can drive the pushing pieces to move in the length direction of the old sewage pipeline, and a vertical driving mechanism used for driving the containing base to move in the vertical direction is arranged on one side of the base. The PE pipe conveying device has the effect that the PE pipeline can be conveniently conveyed to a leakage point position so that the repairing process can be conveniently carried out.

The invention discloses a cam-driven clamping feeder, belongs to the technical field of feeders, solves the problems of working efficiency and reliability, and adopts the technical scheme that the cam-driven clamping feeder comprises a feeding roller pin platform, a feeding main machine, an eccentric transmission mechanism and a floating manipulator. The eccentric transmission mechanism is provided with an input shaft used for being connected with a power source and an output shaft used for being connected with the feeding main machine; the input shaft and the output shaft are eccentric; the feeding main machine comprises a machine box, a main shaft, an eccentric swing mechanism, a sliding mechanism and a parallel four-bar mechanism; the main shaft is connected with the output shaft and drives the eccentric swing mechanism and the parallel four-bar mechanism at the same time; the eccentric swing mechanism drives the sliding mechanism to act; the floating manipulator is fixed onto the feeding roller pin platform and located above the sliding mechanism; and the sliding mechanism and the parallel four-bar mechanism are matched with the floating manipulator to conduct clamping and moving actions, so that the effects of efficient material conveying, stability and reliability are achieved.