180results about How to "Meet maintenance needs" patented technology

The invention relates to a continuous paint dyeing padding machine with an infrared pre-drying device. The padding machine comprises a fabric inlet pre-processing device, a padding system, a drying system and a fabric outlet processing device which are sequentially arranged. The drying system comprises an infrared pre-drying device and a steam drying device. The infrared pre-drying device comprises two to five pre-dying mechanisms; each pre-drying mechanism comprises a pair of frame parts; and each pair of frame parts is provided with an infrared emitter. The continuous paint dyeing padding machine is characterized in that the front part of each row of infrared emitters is provided with a shielding device; when the padding machine is in use, the shielding device is arranged at a keep-clear position; and when the padding machine is in a shutdown state, the shielding device is arranged at a shielding position. Furthermore, each pair of frame parts can be arranged in a close state or an open state corresponding to the rolling of a first frame. Therefore, the padding machine has protection effect when in use, better dyeing effect and convenient maintenance.

The invention provides an e-repair intelligent selection vehicle precision service platform which comprises a client, a server and a database. The database and the server are built together through a public cloud technology. The client is connected with and accesses the server through an interface arranged on the server. The client comprises a merchant and a vehicle owner. The platform provides accurate, fast, efficient, all-round and one-stop after-sales service for a large number of vehicle owners. The services comprise vehicle washing, maintenance, repair, beauty, rescue and many other aspects. The vehicle owner only needs to open the mobile phone application of e-repair intelligent selection. The platform can recommend the best service for the vehicle owner according to vehicle maintenance habits and records of the vehicle owner to meet the vehicle maintenance need of the vehicle owner. After the vehicle owner books a service, the vehicle owner can carry out payment through Wechat payment and alipay, and accepts the service in the near merchant under the guidance of the software. O2O closed-loop is carried out after the whole vehicle is completed.

The invention discloses a high-precision water quality online automatic monitor, which comprises a quantifying system, a sampling system, a reaction system and a control system; the quantifying systemcomprises a measuring glass tube, and the upper part of the measuring glass tube is provided with an ultrasound wave sensor; the sampling system comprises a peristaltic pump and an eight-way valve which are connected through a pipeline; the reaction system comprises a digestion device and a light emitting and receiving device, the digestion device comprises a digestion pipe and a PT100 sensor; both ends of the digestion pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with the digestion pipe; the light emitting and receiving device comprises a lightemitter and a light receiver which are arranged at both sides of the digestion pipe; the control system comprises a single chip, a memory and a display module. Compared with the prior art, the fluid in the measuring glass pipe and the rest fluid content in the reagent bottle can be exactly measured through the ultrasound wave sensor and a distributed film pressure sensor; the high-precision waterquality online automatic monitor has the advantages of being strong in multifunctional expanding property, high in sensitivity and low in cost.

The invention discloses a method for replacing a subway track plate, a subway plate replacing vehicle and a plate replacing unit. The method comprises the following steps: firstly, defining a volume space of the plate replacing vehicle in a subway tunnel vehicle gauge; secondly, defining an operation space for replacing the track plate in the volume space of the plate replacing vehicle, namely replacing the old track plate with a new track plate in the volume space of the plate replacing vehicle to complete replacement operation of the track plate. The method, the subway plate replacing vehicle and the plate replacing unit are applicable to replacement of track plates outside and inside a subway tunnel. The method comprises fewer steps and is higher in replacement speed. The subway plate replacing vehicle and the plate replacing unit are simple in structure, easy and convenient to operate, high in replacement speed and high in replacement efficiency, the replacement operation of the track plate can be completed on time, and requirements for maintenance of the subway track plate are met.

The invention discloses a prefabricated component production system, and relates to the technical field of prefabricated component production. The system comprises a main production line, a pluralityof steel molding stations and a main feeding device. A plurality of backup stations are arranged near the main production line, and a first molding station lifting and traversing device is arranged between the main production line and the backup stations. The first molding station lifting and traversing device comprises a first ferrying track, a first molding station ferrying vehicle is movably arranged on the first ferrying track. An adjusting track is arranged on a ground near the main production line, a movable platform is movably arranged on the adjusting track, and the first molding station lifting and traversing device is integrally arranged on the movable platform. A maintenance production line and an auxiliary feeding device are arranged in parallel on one side of the main production line, and a second molding station lifting and traversing device is arranged between the main production line and the maintenance production line. According to the prefabricated component production system, the production cost can be reduced, and the production efficiency of the prefabricated component can be greatly improved.

The invention relates to an off-line repair device for a coke oven door. The device comprises a gantry with a pulley, and an oven door undercarriage is hung below the gantry. The device is characterized in that: a vertical rail is arranged on the gantry, and a transverse rail is arranged below the gantry; the oven door undercarriage comprises a head framework, an oven door frame and a tail framework; the oven door frame is connected with the head framework and the tail framework respectively; the head framework is provided with a guide wheel; the tail framework is provided with wheels; and the tail framework is also provided with a hydraulic lifting turnover mechanism. Compared with the prior art, the device has the advantages that: 1) a set of onboard hydraulic system realizes two moving functions of lifting and turnover of the oven door undercarriage so as to meet the repair and maintenance requirements of various coke oven doors of different types; and 2) the oven door undercarriage moves along the rails to realize vertical and horizontal position conversion, the device has more compact structure and more stable, safer and more efficient operation, and the hydraulic lifting turnover mechanism has more coherent operating action and is easier for operation and maintenance.

The invention discloses a clamping and conveying device, which belongs to the technical field of transmission line equipment. The device comprises a magnifying mechanism, sliders, a spring, grippers and pin shafts, wherein the magnifying mechanism is composed of a plurality of magnifying units which are connected in series, and each magnifying unit is composed of connecting rods intersecting with each other, a rotating shaft and a nut. The spring is connected with the two sliders. When the sliders are pressed by a hand, the spring is compressed, the magnifying mechanism moves telescopically, and the grippers are driven to move to make the displacement of the mechanism amplify and the grippers clamp. The clamping and conveying device disclosed by the invention can be retracted freely, is small in size, occupies less space, is easy to replace, and can be widely used for clamping cables or high voltage switches and maintaining overhead cables. The clamping and conveying device can be live operated, and no electric shock accident occurs, thus realizing high safety.

The invention relates to highway maintenance and service equipment, in particular to a pull-type asphalt highway maintenance vehicle which has complete functions, saves energy, is environmentally friendly, and has low cost. The pull-type asphalt highway maintenance vehicle comprises a chassis (1), an oil storage tank (2), a mixer (3), a heating device arranged between the chassis (1) and the oil storage tank (2), and an exhaust gas recovery and distribution device, wherein the oil storage tank (2) and the mixer (3) are arranged on the chassis (1); the heating device comprises a heat collection box (4) and a heat pipe (5); the heat pipe (5) is arranged in the heat collection box (4); one end of the heat pipe (5) extends into the oil storage tank (2); the exhaust gas recovery and distribution device comprises a three-way valve (6) connected with an exhaust pipe of an internal combustion engine (23), and a gas pipeline (7) arranged by the three-way valve (6); the gas pipeline (7) is connected with a cleaning nozzle (9), the oil storage tank (2) and the heat collection box (4) respectively by a cleaning valve (8), a pressurization valve (10) and a heating valve (11); and an oil pipe (12) is arranged above the oil storage tank (2).

The invention discloses a tactical air navigation system external field beacon simulator, which consists of a frequency synthesizer module, a microwave modulation module and a display control and video processing module, wherein the frequency synthesizer module and the microwave modulation module finish generating and receiving five paths of radio frequency signals on the basis of microwave signalprocessing and a microstrip technology; the display control and video processing module takes a large-scale integrated circuit FPGA (Field Programmable Gate Array) and a high-speed MCU (Single Chip Microcomputer) as the center; and a bell shaped pulse and a PIN (Personal Identification Number) modulation technology are adopted to effectively improve frequency spectrum performance, and the full-frequency-band and full-channel coverage function of the tactical air navigation system external field beacon simulator is realized. A multi-channel parallel technology and the microwave modulation module with a microwave signal processing function are adopted to generate the simulation signals of a plurality of beacon stations, and a one-machine multiple-station function can be realized.

The invention relates to a mechanical arm device for power transformer maintenance. The device comprises a telescopic rod assembly, a second joint assembly, a first joint assembly, an extending arm, an endoscope and a detecting and maintenance tool, wherein the telescopic rod assembly, the second joint assembly, the first joint assembly, and the extending arm are sequentially connected from the rear end to the front end, and the endoscope and the detecting and maintenance tool sequentially penetrate through the telescopic rod assembly, the second joint assembly, the first joint assembly, the extending arm from the rear end to the front end. An illumination light-emitting diode (LED) is arranged at the front end of the mechanical arm, and a control switch used for controlling the first joint assembly and the second joint assembly is arranged at the rear end of the mechanical arm. Compared with the prior art, the mechanical arm device for power transformer maintenance is simple, light and handy in structure, good in expandability, double in degree of freedom, flexible to rotate, and applicable to manual operation expanding tools in large power equipment (transformers) maintenance works.

The invention discloses a method for drying a transformer, comprising: the high voltage side of the transformer is in short circuit, and the low voltage side is applied with lower voltage, so that the current of a winding is 120-125% of rated current, and the rated current is used until the temperature of the high voltage winding reaches 65 DEG C; when the temperature of the high voltage winding reaches 75 DEG C, 85% of rated current is used for heating; when the temperature of the high voltage winding is lower than or equal to 90 DEG C, the temperature of oil surface is less than or equal to 85 DEG C; and the operation is carried out until the insulating property of the winding is qualified. The method is used for solving the problem of resorting over-low insulation of the transformer by copper loss drying, and changes the phenomenon that a drying stove is used for heating the winding of the transformer and improving the insulation degree of the transformer in the prior art; furthermore, the process is simple, and the operation is easy no matter the winding of the transformer is heated by DC or AC.

The invention discloses a medium temperature pitch mixture batching plant and a method for preparing mixture by utilizing the batching plant. The set of equipment comprises a raw material warehouse part, a batching plant part, a finished product heating part and a product storing part which are connected through conveying belts, pipelines, gates and the like, wherein the raw material warehouse part mainly comprises a plurality of collecting bins for storing materials with different particle sizes, and the collecting bins are connected with a receiving hopper through one or more material conveying belts; the batching plant part mainly comprises the receiving hopper, a batching bin and a half-finished product transition bin; the finished product heating part mainly comprises a finished product heating bin, a dust removal system, a heater, a wind power control system and a finished product transport vehicle; and the product storing part mainly comprises a finished product transport vehicle, a finished product transport vehicle track and a plurality of finished product storing bins. The medium temperature pitch mixture prepared by the batching plant disclosed by the invention has a wider construction temperature range and can be constructed under the climatic condition of not lower than -5 DEG C.

The invention discloses a medium-temperature modified crack pouring adhesive and a preparation method thereof. A formula of the medium-temperature modified crack pouring adhesive comprises 80-90 parts of matrix asphalt, 3-7 parts of crack pouring adhesive modifier and 3-17 parts of rubber powder, wherein the matrix asphalt is a medium-temperature modified asphalt with a high solid content, and is composed of the following components in parts by weight: 75-82 parts of matrix petroleum asphalt, 3-7 parts of medium-temperature modifier and 11-22 parts of water. A medium-temperature modified crack pouring adhesive product prepared with the method has a curing effect significantly higher than that of a conventional crack pouring adhesive, can be cured in 1-2 hours, can significantly shorten the time duration of road closure caused by construction, and is conducive to easing the traffic pressure, thereby meeting needs of people. The medium-temperature modified crack pouring adhesive prepared with the method has a wider range of construction temperature and can be constructed under a climatic condition of 0-10 DEG C. However, a modified asphalt in the prior art cannot be constructed at a construction temperature below 10 DEG C, by comparison, the number of days for construction can be extended by 60 days, thereby meeting needs of road maintenance.

The invention provides a nursing sow feed which comprises following ingredients in parts by weight: 40-70 parts of corn, 10-30 parts of soybean meal, 0-15 parts of flour, 1-5 parts of fish meal, 1-3 parts of fish oil, 0.4-1.0 part of calcium hydrophosphate, 0.1-0.4 parts of lysine hydrochloride, 0.1-1 part of arginine, 0.1-0.5 parts of valine, 0.08-0.2 parts of choline chloride, 0.03-0.10 parts ofgrowth promotion element, 0.1-0.4 parts of table salt and 4 parts of premix. The invention provides a preparation method of the nursing sow feed at the same time. The nursing sow feed is balanced innutrition, high in palatability and easy to digest, and can improve immunity of a sow; the feed intake of the sow can be increased significantly when the feed is eaten; the weight of weaning litter ofsuckling piglets is increased; a death rate of the piglets is reduced; and the quantity of the weaned piglets is increased.

The invention discloses vehicle body welding circulating cooling water treatment equipment and process, which belong to the technical field of vehicle body welding machining. The vehicle body welding circulating cooling water treatment equipment comprises a treatment tank, a discharging mechanism is arranged on one side of the treatment tank, a heat regeneration mechanism is arranged on the other side of the treatment tank, a liquid collecting mechanism is movably connected to the top of the treatment tank, and a chemical adding mechanism is arranged on one side of an inner cavity of the treatment tank; and the top of the chemical adding mechanism is in transmission connection with a screening mechanism, and the screening mechanism is slidably connected into the treatment tank. In the device, a half gear rotates to respectively drive a first rack and a second rack on two sides to move, a liquid spraying hose performs reciprocating displacement to spray liquid medicine, and a limiting seat moves to drive a second sieve plate and an elastic sleeve to perform reciprocating displacement, so that the liquid medicine mixing efficiency is improved, and then the material screening efficiency can be improved; and then large particles in the cooling liquid can be fully screened through multi-stage filtration, a backflow communicating pipeline is prevented from being blocked, the treatment effect on the cooling liquid is guaranteed, the overall durable life of the cooling liquid is prolonged, and the use requirement is met.

The invention relates to a high temperature constant temperature and constant humidity unit and aims at solving the problem that an existing dehumidification system can not meet the need of keeping a constant temperature and constant humidity environment at high temperature. The high temperature constant temperature and constant humidity unit comprises a compressor, a dehumidification condenser, a capillary tube and a dehumidification evaporator which are connected in series in an end-to-end way and form circulation and also comprises an indoor machine which is arranged indoors, wherein a return air inlet and an air supply inlet which are communicated with indoor space are arranged at the two ends of the indoor machine respectively, and the dehumidification evaporator, an air supply machine, the dehumidification condenser, an electric heating module and a humidifying module are sequentially arranged between the return air inlet and the air supply inlet. An outdoor machine is also arranged outdoors, the compressor is arranged in the outdoor machine, a heat dissipation condenser and a heat dissipation fan arranged corresponding to the heat dissipation condenser are also arranged in the outdoor machine, and the heat dissipation condenser is connected between the dehumidification condenser and the compressor in series. The high temperature constant temperature and constant humidity unit can meet the need of keeping the constant temperature and constant humidity environment at high temperature, and adjustment of temperature and humidity can be realized by virtue of coordination of all the modules when at least one of the temperature and humidity exceeds a set value.

The invention discloses a temporary fixing device and fixing method adopted in the lightning rod treatment process. The device comprises a main supporting device. A first telescopic mechanism is arranged at the top end of the main supporting device, and the bottom end of the first telescopic mechanism is arranged in the main supporting device. Auxiliary supporting devices are arranged in the main supporting device and the first telescopic mechanism and penetrate the corresponding main supporting device or first telescopic mechanism. The first telescopic mechanism is connected with a second telescopic mechanism, and the second telescopic mechanism is connected with a first fixing mechanism. A third telescopic mechanism and a fourth telescopic mechanism are arranged on the outer wall of the main supporting device. The third telescopic mechanism is arranged above the fourth telescopic mechanism and connected with a third fixing mechanism. The end, far away from the main supporting device, of the fourth telescopic mechanism is connected with a fourth fixing mechanism. According to the device and method, the structure can be adjusted, and the need in the lightning rod maintenance process is met; and meanwhile higher safety is achieved, repeated utilization can be achieved, the use cost is low, and structural residues cannot be caused to a lightning rod.

The invention discloses a moisture preservation and maintenance device and method for concreate engineering. The device comprises a climbing mold composed of a climbing rack and a formwork rack, the climbing rack comprises a wall attachment part pre-embedded in a vertical concrete structure and guide rails symmetrically fixed to the two ends of the wall attachment part, and the guide rails are fixedly connected with a hanging rack through movable supporting legs; an upper climbing box and a lower climbing box are installed on the hanging rack separately, and a supporting rack is fixedly installed at the top of the hanging rack. The moisture preservation and maintenance device can ascend along with construction of the climbing mold, the maintenance speed of concrete is effectively increased, the maintenance quality of concreate is effectively improved, and the requirements for concrete maintenance are met in time; a mode of covering the surface of the vertical structure with moisture preservation cotton is adopted for moisture preservation and maintenance, the moisture preservation cotton can be watered, construction water can be saved, all-over water accumulation on construction sites is avoided, the heat preservation function is achieved, and energy saving, water saving, environmental protection and safe civilized construction are truly achieved.

The invention discloses a fan coil unit, relates to the field of central air conditioners, and provides the fan coil unit which can meet the air sending and returning and maintenance requirements of the fan coil unit by only arranging one opening and one cover plate on a ceiling. The fan coil unit comprises a unit body, a heat transfer device, a draught fan, an electrical device, a condensate water lifting and discharging device and a refrigerant pipeline, wherein an air outlet and an air inlet are formed in the unit body; the heat transfer device is positioned inside the unit body and corresponds to the air outlet; the draught fan is positioned inside the unit body and is positioned at the back of the heat transfer device; the air outlet and the air inlet are formed in the front panel of the unit body; the air inlet is positioned in one side of the air outlet; the electrical device, the condensate water lifting and discharging device and the refrigerant pipeline are positioned at the outer part of the unit body and are positioned on the other side of the air inlet; an air inlet duct is formed inside the unit body; and the air inlet duct stretches from the air inlet to the draught fan. When the fan coil unit is mounted in the ceiling, the ceiling decoration is beautiful.

The invention discloses a steam curing system with the adjustable temperature and humidity. The steam curing system with the adjustable temperature and humidity comprises a closed curing shed, a gas supply device, a water supply device, a temperature and humidity sensor and an intelligent curing instrument. The steam curing system with the adjustable temperature and humidity can effectively meet the curing requirement when the environment temperature is low or the environment air is dry, is high in applicability, can effectively reduce the energy consumption during curing, and reduces the construction cost.