312results about How to "Solve maintenance difficulties" patented technology

Embodiments of the invention provide an antenna apparatus, a base station and a communication system. The antenna apparatus comprises: an antenna part, an active part and a common part, wherein the antenna part comprises a common radome; the active part is connected with the antenna part and comprises at least one active module; the each active module comprises at least one antenna oscillator, a oscillator reflection plate and a phase shifter; the oscillator reflection plate and a phase shifter correspond with the each antenna oscillator; the oscillator reflection plate of the at least one active module is used for realizing an antenna function; the common part is connected with the active part and the antenna part and is shared by at least one active module in the active part; the common part comprises at least one common module. Through the above antenna apparatus, each radio frequency module can be flexibly configured so as to satisfy combination demands of different products. On-site replacing and maintenance operations can be further simplified.

The invention relates to a diesel, in particular to an explosion-proof diesel, which is applicable to anti-explosion power devices on various fixed and mobile equipment underground coal mine, solving the problems that no explosion-proof diesel product exists in domestic market, while the imported explosion-proof diesel has complicated structure, high price, long lead time of components and parts, untimely service, high maintenance costs and the like. The invention comprises a diesel body, a cooling system, a fuel supply system, an exhaust system and an air intake system, wherein, the cooling system, the fuel supply system, the exhaust system and the air intake system are connected with the diesel body assortatively; an exhaust manifold and an exhaust pipe in the exhaust system are all provided with water jackets; an outlet of the exhaust pipe is connected with a waste gas processing box; the air intake pipeline of the air intake system is provided with an air intake barrier; the invention is further provided with an air starter and protection system. The invention solves the problems of difficult assortment, difficult maintenance and long period of vulnerable components of imported machine types; the air starter and protection system adopts a compressed air starter to start and has the advantages of safety and reliability, convenient maintenance under the mine; the air exhaust is safer and the discharging is effectively reduced.

A remote monitoring system for engineering equipment includes monitoring computer, modem, internet, mobile communication net and at least one engineering equipment with monitoring computer connected with the internal through the modem. The control part for the engineering equipment consists of signal collecting unit, PLC controller, radio communication processor and executing mechanism. The PLC controller transmits the parameters indicating the operation state of each part of the equipment collected by a collecting unit to the radio communication processor after they are processed by the PLC controller, the processed parameters are sent to the mobile communication net by the radio communication processor, and furthermore are sent to the monitoring computer via internet by mobile communication net.

The invention discloses a key downloading method, which comprises the steps as follows: a universal software interface corresponding to different types of terminal devices is established, wherein a software library comprises library files corresponding to different types of terminal devices; then a terminal device sends a key downloading request to a device providing key downloading through the universal software interface, and receives the key from the universal software interface after the downloading request is responded. The invention also provides a key downloading system, which comprises the universal software interface. The key downloading method and system rely on the compatibility of the universal software interface to enable different types of terminal devices to conveniently download the keys.

The invention relates to a method for controlling surrounding rock deformation of a gateway subjected to repeated overhead mining by using a hollow grouting anchor cable. The method comprises the following implementation steps of: performing repair brushing on the section of the gateway, reinforcing support in a bottom plate gateway to be mined in an advance face which is 280-320 meters in range by adopting high-performance pre-stressed anchor rods, and meanwhile, arranging a metal net on the entire section of the gateway; arranging a novel hollow grouting anchor cable between a top plate of the gateway and the high-performance pre-stressed anchor rods on both sides; grouting on the surface of the surrounding rock of the gateway for enclosing; and injecting a grouting material into the hollow grouting anchor cable. The method has the characteristics of high setting load, sudden increase in resistance and high bearing capability, the problems of high gateway deformation, strong heaving floors and difficulty in maintaining can be well solved, the gateway repair times are reduced, and the gateway support cost is reduced effectively; and the method is particularly suitable for solving the problems of rapid attenuation and loss of anchoring force caused by looseness, breakage and large deformation of surrounding rock due to repeated overhead mining on the gateway.

The invention belongs to the technical field of building materials, and particularly relates to self-compacting, self-stressing and self-curing high-strength concrete and a preparation method thereof. The self-compacting, self-stressing and self-curing high-strength concrete is prepared by mixing cement, fly ash, mineral powder, microbeads, medium sand, gravel, an expanding agent, high molecular absorbent resin SAP, a polycarboxylate superplasticizer and water according to a certain ratio. Through the adoption of the polycarboxylate superplasticizer and addition of a mineral admixture, the concrete is not required to be vibrated and can be compacted through self-leveling; through the addition of the high-efficiency expanding agent, the concrete generates initial self-stress, drying self-shrinkage of the concrete is reduced, and disengagement, a pitted surface and other engineering problems of steel tube concrete are solved; through the addition of the pre-absorbent high molecular resin SAP into the concrete, the problem that the steel tube concrete is difficult to cure is solved. Therefore, the self-compacting, self-stressing and self-curing high-strength concrete has a wide engineering application prospect.

The invention discloses a detergent storage and dropping device and a roller washing machine. The detergent storage and dropping device comprises a first cavity used to store a detergent and having atleast an opening, and a second cavity used to drop the detergent and having at least an opening. The first cavity is communicated with the second cavity. The second cavity is also provided with a stirring device. After the detergent in the first cavity is added into the second cavity, the detergent is stirred by the stirring device and then is discharged. The roller washing machine comprises thedetergent storage and dropping device arranged in a door body. The detergent storage and dropping device drops the detergent into a washing barrel through a glass bowl in the door body. The detergentstorage and dropping device and the roller washing machine improve utilization efficiency of the detergent, and structured holding space which is not used in the glass bowl is fully used, so as to improve space utilization rate of the roller washing machine.

An automatic classification type garbage can comprises a garbage outer barrel, a garbage classification scanner, an inner storage barrel, a locating device, a rotating push-conveying mechanism, a controller and a power supply, wherein the inner storage barrel, the locating device, the rotating push-conveying mechanism, the power supply and the controller are arranged in an inner cavity of the garbage outer barrel; the bottom of the locating device is in detachable connection with the inner storage barrel; the power output end of the locating device is connected with the driving end of a rotating pushing mechanism arranged at the top of the inner storage barrel; the signal output end of the garbage classification scanner is electrically connected with the signal input end of the controller, and the control end of the locating device and the control end of the rotating push-conveying mechanism are separately and electrically connected with the signal output end of the controller; and the power transmission end of the garbage classification scanner, the power transmission end of the locating device and the power transmission end of the controller are separately electrically connected with the corresponding power supply ends of the power supply. The automatic classification type garbage can has the beneficial effect that the problems that the classification type garbage can is high in cost, complicated in structure and difficult to repair are solved, manual operation is not needed, and the garbage classification work of a user is reduced.

The invention discloses a double-layer anchor net cable supporting structure for controlling mining roadway surrounding rock deformation. The double-layer anchor net cable supporting structure is characterized in that secondary anchor net supporting is performed on the basis of primary anchor net supporting, secondary supporting anchor rods (2-2) and primary supporting anchor rods (2-1) are arranged at intervals, the row spacing between the anchor rods is 700-900 mm, the specifications of the secondary supporting anchor rods (2-2) are the same as those of the primary supporting anchor rods (2-1), hollow grouting anchor cables (3) are arranged between the secondary supporting anchor rods (2-2), the interval between the hollow grouting anchor cables (3) is 1000-1500 mm, and the row spacing is 700-1800 mm. According to the supporting structure, the capability of a double-layer anchor net actively supporting shallow part surrounding rock can be brought into full play, the supporting capability of deep part surrounding rock can be improved through the anchor cables, the roadway supporting safety reliability is improved, severe deformation of a mining roadway can be controlled, it can be guaranteed that the supporting structure is continuously effective during the service life of the roadway, the roadway rework times are reduced, and the roadway maintenance cost is reduced.

The invention provides a maintenance implementation method, system and client of shared vehicles, and belongs to the technical field of shared means of transportation. The maintenance implementation client comprises an acquisition circuit used for acquiring state information of fault vehicles; a storage chip used for storing attribute information of each maintenance station; a screening circuit connected with the acquisition circuit and the storage chip for screening maintenance stations nearby fault shared vehicles and outputting position information of the maintenance stations; a determining circuit connected with the acquisition circuit and the screening circuit for determining whether users move the fault shared vehicles to the maintenance stations; and a rewarding circuit connected with the acquisition circuit and the determining circuit for triggering execution of reward items for the users. According to the scheme provided by the invention, the method, system and client have the following advantages: the problems of affecting user application and increasing maintenance difficulty after the shared vehicles are damaged are solved by use of the method, system and client, maintenance of the fault shared vehicles is facilitated, and the effective utilization rate of the shared vehicles is improved.

The invention discloses an XML (Extensible Markup Language) file generating method and device as well as terminal equipment. The XML file generating method comprises a step of: establishing an XML file template, wherein the XML file template comprises one or more than one file label; obtaining an XML generating tool according to the XML file template; and automatically generating an XML file after the XML generating tool obtains input data. With the adoption of the XML file generating method and device provided by the invention, resource content is flexibly controlled according to demands so a storage space of an application is saved, image-text type application development and content maintenance are facilitated, and the working efficiency of research staff is improved.

The invention relates to a mechanism for feeding cloth in X and Y directions for a computerized embroidery machine, which comprises a driving wheel, a driven wheel, a synchronous belt and a sliding block, wherein racks are arranged on the upper surfaces of the driving wheel, the driven wheel and the sliding block; the synchronous belt is sleeved on the driving wheel and the driven wheel; the internal teeth of the synchronous belt are meshed with the racks arranged on the upper surface of the sliding block; the driving wheel and the driven wheel are longitudinally installed at two ends of two parallel guide posts; and the two guide posts are sleeved in guide holes in the sliding block. The invention has the advantages of simple integral structure, scientific and reasonable design, high transmission accuracy, fine quality of embroideries and higher innovation and practicability, greatly prolongs the service life of the mechanism for feeding cloth by adopting the two guide posts, and obviously reduces the maintenance frequency.

The invention relates to a multi-chip 3D stacked packaging structure. The structure comprises a main chip and at least one auxiliary chip. The main chip and the auxiliary chip are respectively provided with a circuit surface and a back surface facing the circuit surface; the auxiliary chip is stacked on the main chip; a main bonding pad is arranged on the circuit surface of the main chip, and an auxiliary bonding pad is arranged on the circuit surface of the auxiliary chip; the auxiliary bonding pad is connected with the main bonding pad by a metal wire. By using the multi-chip 3D stacked packaging structure, the main chip for video processing is designed to connect a plurality of auxiliary chips completely by internal leads in a package, and the functional integration of three chips in a dual in-line package is finished. High formation degree of the chip reduces the area of a circuit board, lowers the production cost of manufacturers, reduces the signal transmission delay and improves the system performance simultaneously. And the system board and the module have the advantages of small packaging size and light weight.

The invention relates to the field of bridge inspection, and discloses an inspection trolley for a bridge upper chord. The inspection trolley for the bridge upper chord comprises a connecting corridor and stand columns, the stand columns are fixed to the connecting corridor, walking mechanisms are symmetrically arranged at the two ends of the connecting corridor respectively, and the connecting corridor is movably installed on a bridge through the walking mechanisms. Each walking mechanism comprises a walking beam and a bearing platform, wherein the bearing platform is movably installed on the walking beam, the walking beam is movably installed on the bridge, jack catches are arranged at the bottom of the walking beam, the top of the bearing platform is fixed to the connecting corridor, and the bottom of the bearing platform is provided with a liftable supporting clamp. Multiple connecting pieces are arranged on the bridge, and the jack catches and the supporting clamps can be connected to the connecting pieces on the bridge in a clamped mode. According to the inspection trolley for the bridge upper chord, due to the fact that the walking mechanisms can climb up a hill, it is unnecessary to lay tracks, materials of track laying are saved, and overall bridge cost is low.

The invention discloses a combined modular circulating water cultivating system, which comprises a belt type mechanical filter, a protein separator, a dripping box, a bio-filter, an ultraviolet disinfector and a central electronic controller, wherein the protein separator is connected with the belt type mechanical filter; the dripping box is connected with the protein separator; the bio-filter is connected with the dripping box; the ultraviolet disinfector is connected with the bio-filter; the belt type mechanical filter is used for pumping water into the protein separator through a water pump; the dripping box is arranged above the bio-filter; the highest water level of the protein separator is higher than the highest water level of the dripping box; the highest water level of the bio-filter is higher than the highest water level of the ultraviolet disinfector; and both the ultraviolet disinfector and the water pump are connected with the central electronic controller. According to the combined modular circulating water cultivating system, the defects of high manufacturing cost, large occupied space, complex pipeline connection, difficulty in maintaining, high running cost, poor treatment effect and the like caused by the complex and single equipment system design of the conventional circulating water cultivating system are overcome completely; and the combined modular circulating water cultivating system is more convenient and practicable.

The invention belongs to powder product field, and relates to a medical functional complex material with high curative effect. Said complex material comprises following raw materials: 66-96% of tourmaline ultra-micro powder and/ or crystal infrared material ultra-micro powder, 0. 01-30% of dielectric strengthened material and 1-5% of embedding material, soft solid and hard solid material. It is used in the field of health-care, treatment and recovery, and can be used to produce medical apparatus.

The invention discloses an Internet plus-based medical equipment fault self checking and repairing system. The Internet plus-based medical equipment fault self checking and repairing system includes a resource sharing big data base subsystem and a fault detection subsystem which is connected via the Internet; the resource sharing big data base subsystem includes a Web server, a fault information base, a user interaction platform and an expert interaction platform connected with the Web server; and the fault detection subsystem includes a computer control system, an alarm output part connected with the computer control system and a model equipment data acquisition DCS connected with the computer control system. According to the Internet plus-based medical equipment fault self checking and repairing system of the invention, medical equipment maintenance and faults are adopted as research objects, and key technologies such as Internet plus, Internet of things, big data and single-chip microcomputer control are integrated, and therefore, the monopoly of techniques of medical device manufacturers can be crushed, the problems of difficult modern medical equipment maintenance, high cost and scarcity of technicians can be solved, and the informationalized services of hospitals and resources sharing of modern diagnosis technologies can be promoted, and the economic burden of the hospitals and patients can be reduced.

An embodiment of the invention provides a method and a device for generating an interface document. The method includes the steps: analyzing a domain name in an incoming message from a client; judging whether the domain name is placed in a preconfigured domain name list or not; responding to the domain name in the domain name list and acquiring interface information related to the domain name; generating the interface document based on the interface information.

The invention discloses a gateway-based micro-service API arrangement method and system, belongs to the technical field of micro-services, and aims to solve the technical problems of how to reduce the workload of API arrangement and reduce the maintenance difficulty. The system comprises a front-end arrangement API creation module which comprises a management interface and an editor; the editor is used for carrying out calling process arrangement on a micro-service API and creating an arrangement API, and the management interface is used for carrying out editing configuration on the arranged API; the rear end arrangement API execution engine comprises a pre-filter and a runtime execution engine, the pre-filter is used for identifying an arrangement API request and forwarding the arrangement API request to the runtime execution engine, and the runtime execution engine is used for performing flow control and fusing degradation check on the arrangement API, performing availability check on the called micro-service API, and achieving the access to the micro-service API through the RestTemplate.

The invention relates to a system and technology used for double furnace double kettle stripping flash evaporation production of modified asphalt. The system comprises a reaction kettle No.1, an overflow buffer tank No.1, a tubular furnace No.1, a first asphalt circulation loop, a reaction kettle No.2, an overflow buffer tank No.22, a tubular furnace No.2, a second asphalt circulation loop; flexible blocking plate are arranged in the reaction kettle No.1 and reaction kettle No.2; the first asphalt circulation loop is provided with the overflow buffer tank No.1; and the second asphalt circulation loop is provided with the overflow buffer tank No.2. According to the system, a side feeding and lower discharging mode is changed to be a side feeding and overflowing discharging mode, the overflow buffer tanks are arranged behind the reaction kettles, reaction kettle flow out amount is controlled by maintaining the asphalt liquid level in the overflow buffer tanks to be stable, and at last, accurate control on reaction retention time is realized through controlling the liquid levels in the reaction kettles to be constant, and asphalt production long term smooth operation is realized.