36results about How to "Adapt to complex working conditions" patented technology

The invention provides a glass kiln flue gas dust removal and denitration integrated process. According to the process, a high-temperature dust removal device and a denitration reaction device do not need to be independently arranged, and dust removal and denitration are organically combined in one device; flue gas is subjected to the dust removal and then is subjected to the denitration at a high temperature so that dust and nitric oxide can be removed at the same time; a denitration process is carried out in a pure flue gas environment so that a catalyst is prevented from being poisoned and corroded and the service life of the catalyst is prolonged; and a denitration purification device does not need to be independently arranged so that the process is relatively simple. The invention provides a glass kiln flue gas dust removal and denitration integrated device; the dust removal and denitration catalyst is arranged in a dust removal chamber; and the device has a simple structure and is convenient to mount and replace. The dust removal and the denitration are organically combined in one device and the device is convenient to mount and replace; an SCR reactor device does not need to be independently arranged so that the process is relatively simple and the investment cost and the operation cost of the system are reduced; and the catalyst woks in the pure flue gas environment so that the catalyst is prevented from being poisoned and corroded, and the service life of the catalyst is prolonged.

The invention provides a control method for a power transmission system of a novel gas-electric hybrid washing and sweeping vehicle. The control method comprises a transition control method and a sweeping control method. The transition control method is used for switching between different transition working modes, and the different transition working modes include a pure electric mode driven by amain motor during no-load, a coordinated drive mode of the main motor and an ISG motor under on-load transportation, a separate drive mode of an engine under on-load transportation and a combined drive mode of the engine and the main motor under on-load transportation. The sweeping control method is used for switching between two different sweeping working modes, and the sweeping working modes include a pure electric drive mode and an extended-range drive mode. The power transmission system includes a power device, a transmission device and a working device and a traveling device, and the power device transmits power to the working device and the traveling device through the transmission device. The control method for the power transmission system of the novel gas-electric hybrid washingand sweeping vehicle has the advantages of simple and compact structure and convenient arrangement, and realizes the matching between the changed vehicle speed and the sanitation sweeping operation speed when the vehicle runs.

The invention discloses a device for monitoring the abrasion amount of a mill lining plate in real time. The device includes a monitoring assembly, an information interaction assembly and a control mechanism; the monitoring assembly is provided with a detection bolt, one end of the detection bolt penetrates through a mill cylinder body and the mill lining plate in sequence and is flush with the inner edge of the mill lining plate, and the other end of the detection bolt extends outside the mill cylinder body; and the inner part of the detection bolt is of a hollow structure, and a sensor probeis fixed to the hollow structure part through an insulating castable in a sealing mode. According to the device for monitoring the abrasion amount of the mill lining plate in real time, the abrasionamount of the mill lining plate can be effectively and accurately monitored in real time without stopping a mill, so that the effective utilization of the mill lining plate is improved, and the mill production efficiency is improved.

A combined front suspension for an engineering vehicle driving cab comprises a plate spring (1), a plate spring support (3), a rotating base (4) and a spiral spring (2). The upper end of the plate spring (1) and that of the spiral spring (2) are coaxially hinged, the bottom end of the plate spring (1) is fixedly connected with the plate spring support (3) through a bolt, the plate spring support (3) and the rotating base (4) are hinged through bolts, and the rotating base (4) is fixed on a vehicle frame. The plate spring (1) only serves as a guide element and does not participate in energy transduction during little displacement on a sound pavement, and energy buffering is performed mainly by the spiral spring (2); under poor working conditions, when the suspension moves and triggers limiting, the plate spring (1) starts to function and cooperate with the spiral spring (2) to participate in kinetic energy buffering so as to adapt to complex working conditions.

The invention discloses a high-frequency response servo proportional valve position control method. The method is based on a proportional valve position control system, when a low-frequency signal isgiven, a displacement given signal is compared with a valve element displacement feedback signal to obtain position deviation, the position deviation is divided into three sections according to the position deviation range, and position PID controller parameter setting is carried out on each section of position deviation; at the moment, the input current of a proportional electromagnet is determined by the output value of a displacement following part; and when a high-frequency signal is given, the displacement following part does not work, and at the moment, the input current of the proportional electromagnet is determined by the output values of a speed following part, a feedforward part and a differential leading part. The method has the advantages of rapidity and stability, the displacement of a valve core can be synchronously followed when the given signals are low-frequency and high-frequency, and the problem that one set of PID parameters cannot adapt to the high-frequency and low-frequency given signals at the same time is solved.

The invention discloses a freezing type pipe shed and a construction method thereof. The construction method comprises the following steps that an orifice pipe is horizontally embedded into an underground diaphragm wall and is installed and fixed; a drill bit is used for continuously drilling and opening a hole so as to get through the underground diaphragm wall; a pipe shed body is placed in theorifice pipe, and the pipe shed body penetrates through the underground diaphragm wall and extends into the stratum; a freezing pipe is placed in the pipe shed body; an end head closing plate is installed at the tail end opening of the pipe shed body, a hole is formed in the tail end opening of the pipe shed body, a filling grouting pipe is placed in a gap between the pipe shed body and the freezing pipe through the hole, and filling grouting is carried out so as to form a cement mortar layer; and an end head cover plate is arranged at the tail end of the freezing pipe, a liquid supply pipe and a liquid return pipe penetrate through the end head cover plate and are placed in the freezing pipe, low-temperature saline water circulation is carried out in the freezing pipe through the liquid supply pipe and the liquid return pipe so as to freeze soil around the pipe shed body, and a reinforcing body combining the pipe shed body and frozen soil is formed. The freezing type pipe shed and theconstruction method thereof have the advantages that the respective advantages of the two reinforcing modes of the pipe shed body and the freezing pipe are fully exerted; the freezing type pipe shedand the construction method thereof are suitable for dealing with complex working conditions; and the safety is good.

The invention provides a bolt connecting nut anti-loosening structure. The bolt connecting nut anti-loosening structure comprises a connecting bolt, a nut, a stop sleeve and a stop bolt; the connecting bolt comprises a head boss; a head plane consistent with the radial direction of the connecting bolt is arranged on one side of the head boss; a rod part, a threaded part and a tail part are sequentially arranged from the head plane; the nut is in threaded connection with the threaded part, and a mounting through hole sleeved with the tail part is formed in the stop sleeve; the stop bolt is used for fixing the stop sleeve on the tail part; and one end of the nut is circumferentially provided with a plurality of grooves, one end of the stop sleeve is circumferentially and uniformly provided with at least three plug-in mounting bosses, and the plug-in mounting bosses are axially clamped with the grooves in a matched manner. Compared with the prior art, the bolt connecting nut anti-loosening structure can be suitable for various working conditions under mechanical vibration complex loads, and can effectively avoid the phenomenon that the nut does not retreat.

The invention discloses a construction method of a steel plate concrete composite structure, which comprises the following steps of: combining a steel plate, a U rib and a stud to form a steel structure outer contour, pouring concrete on the steel structure outer contour part serving as a bottom template in stages to form a medium and small span steel plate concrete composite plate, and ensuring that the steel plate and the concrete do not slip through the stud. According to the technical scheme, the steel structure and the supporting structure work cooperatively, the steel structure cannot generate overlarge deflection due to the wet weight of concrete in the construction process by means of large rigidity of the steel structure and a mode of pouring concrete in batches, and therefore the purpose that a support does not need to be erected on the lower portion in the construction process is achieved. According to the structure, the defects that common small and medium span prefabricated simply-supported plates are weak in transverse connection, and cast-in-place simply-supported plate bridges are large in dead weight and inconvenient to construct are overcome, the dead weight of the structure is effectively reduced, a support does not need to be erected, construction and emergency repair of highway bridges under the condition that traffic is not affected are facilitated, the service life is longer than that of traditional simply-supported plate bridges, and the construction cost is reduced. And the later operation and maintenance cost is reduced.

The invention discloses a liquid-phase distribution self-cleaning device for an emulsion liquid pumping plant. The liquid-phase distribution self-cleaning device comprises an oil tank, a low-pressure filter system, an emulsion liquid pump system and a high-pressure filtering system, wherein the low-pressure filter system comprises a low-pressure filter I, a low-pressure filter II, a low-pressure filter III and a low-pressure filter V; the emulsion liquid pump system comprises an emulsion liquid pump I and an emulsion liquid pump II; and the high-pressure filter system comprises a high-pressure filter I and a high-pressure filter II, and further comprises a by-pass valve set. By adopting the two shunt-wound low-pressure filters, the cleaning cycle of the low-pressure filters can be lengthened to be synchronous with the high-pressure filters; by additionally arranging reverse-cleaning valve set pipelines between the liquid outlets of the emulsion liquid pumps and the liquid inlets of both the high-pressure filters and the low-pressure filters, the filtering and self-cleaning effect in a liquid supplying system of the emulsion liquid pumping plant can be realized; the starting and closing state of the reverse-cleaning valve set pipelines can be controlled only by two three-position three-way solenoid valves and two two-postion two-way solenoid valves, so that the power consumption of the system is low, and complex underground working condition can be adapted.

A double-wing-plate strong support pressure-reducing gate valve comprises a valve body, a lower valve rod, a stuffing box, stuffing, a stuffing gland, a valve rod supporting frame, a bracket, a flange, a bearing, a lubricating oil nozzle, an upper valve rod, a supporting ring, a supporting seat, a gate plate, a sampling hole, a parasol wing, a plate wing, a first step, a first arc part, a second step, a second arc part and a third arc part. A through hole is formed in the gate plate and internally provided with a pressure reducing valve. The pressure reducing valve has the following structuresthat the pressure reducing valve is arranged in the through hole and comprises the parasol wing located on the downstream side and the plate wing located on the upstream side, the parasol wing and the plate wing are connected through a rod, the diameter of the parasol wing is larger than the diameter of the plate wing, the upper end of the parasol wing is flush with the upper end of the plate wing and is in pivot connection with the gate plate, and the upper end of the plate wing is in sealed connection with the gate plate.

The invention relates to the technical field of multi-degree-of-freedom motion platforms, in particular to a multi-degree-of-freedom motion platform capable of being greatly controlled in the vertical direction and a method, and the multi-degree-of-freedom motion platform comprises a six-degree-of-freedom motion platform used for multi-degree-of-freedom lifting and steering motion; the six-degree-of-freedom motion platform is used for supporting the six-degree-of-freedom motion platform, the three-degree-of-freedom motion base is used for achieving adjustment in a three-degree-of-freedom space and conducting auxiliary enhancement on the height and the angle of the six-degree-of-freedom motion platform, the bearing table is arranged between the six-degree-of-freedom motion platform and the three-degree-of-freedom motion base, and the top of the three-degree-of-freedom motion base supports the bearing table. A driving part of the six-degree-of-freedom motion platform is designed to be a transverse electric linear guide rail driven by double independent lead screws, and more space adjusting ranges can be provided in the vertical direction; the three-degree-of-freedom motion base is arranged below the six-degree-of-freedom motion platform for assistance, the deflection angle in the vertical direction is further expanded, and greatly controllable multi-degree-of-freedom simulation motion in the vertical direction is achieved.

The invention relates to a transmission device, in particular to a synchronous tooth-shaped rope transmission device. The device comprises a synchronous tooth-shaped rope and a synchronous tooth-shaped rope wheel, the synchronous tooth-shaped rope comprises a rope body and a belt tooth layer, the synchronous tooth-shaped rope wheel comprises a belt wheel body and tooth grooves formed in the belt wheel body, the belt tooth layer is a cylindrical surface, closed annular teeth are arranged on the inner circumferential surface of the cylindrical surface belt tooth layer at equal intervals, cylindrical surface grooves are formed in the outer circumferential surface of the belt wheel body of the synchronous toothed rope wheel, and arc-shaped teeth are arranged on the cylindrical surface groovesat equal intervals. The synchronous tooth-shaped rope transmission device has the traditional advantages of a traditional synchronous toothed belt, such as accurate transmission ratio, stable transmission, high transmission efficiency and the like, and also has the advantages of realization of transmission and speed change of axes at any angle, larger transmission power, long transmission distanceand the like.