14results about How to "Increase injection pressure" patented technology

The invention relates to the technical field of building pipe piles, in particular to an improved precast pile in a collapsible loess area and a construction technology, the improved precast pile comprises a hollow steel pipe pile, and a receding hole is formed in the hollow steel pipe pile; the at least one guide insertion strip is rotationally connected with the hollow steel pipe pile, the rotating plane of the guide insertion strip is vertically arranged, the guide insertion strip extends into an inner cavity of the hollow steel pipe pile through the receding hole to form a linkage strip, the guide insertion strip and the linkage strip are both arranged in a hollow mode, and a plurality of grout outlets are formed in the guide insertion strip; an inner cavity of the hollow steel pipe pile communicates with the grout outlet through an inner cavity of the linkage strip. The rotation driving unit is movably arranged in an inner cavity of the hollow steel pipe pile, and the rotation driving unit is matched with the linkage strip to drive the guide insertion strip to rotate; the precast pile has the effects that the strengthening effect of the under-pressure concrete on the soil body around the precast pile is improved, and then the settlement amount of the precast pile is reduced when collapsible settlement occurs in the soil body.

The invention relates to the technical field of high-rise fire fighting, in particular to a high-rise building community fire fighting emergency three-dimensional fire fighting rescue robot system which solves the problem that when a fire fighting rescue robot is used, the fire fighting rescue robot cannot be sprayed to a fire point due to the fact that the position of the fire point is too high and the pressure of a sprayed fire extinguishing agent is reduced. The problem that multiple unmanned aerial vehicles are out of control and fall due to the fact that a fire extinguishing pipe is easily wound when the unmanned aerial vehicles move when multiple unmanned aerial vehicles conduct fire extinguishing on different floors at the same time is solved, and the unmanned aerial vehicles comprise a robot module, a fire extinguishing module, a matching module, a monitoring module and an identification module. And a fire extinguishing module is arranged below the robot module. Through mutual cooperation of the two unmanned aerial vehicle mechanisms, the first unmanned aerial vehicle mechanism pulls a fire hose to the high altitude, and the fire extinguishing height of the device is increased in the manner that the connecting hose is connected with the second unmanned aerial vehicle mechanism, so that the situation that fire extinguishing cannot be carried out when the height of an ignition point is higher than that of the fire hose is avoided.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

The utility model relates to the field of unmanned plane discloses a kind of cleaning unmanned plane with multi-directional rotary spray arm, including the cleaning unmanned plane with multi-directional rotary spray arm, including body, the lower surface of the body is fixedly connected with support frame, the outer wall of the support frame is inserted with storage box, the front end of the storage box is fixedly connected with water delivery block, the inner wall of the water delivery block is provided with first water delivery pipe, and the front end of the water delivery block is provided with adjusting assembly;The adjusting assembly includes limit block, and the limit block is fixedly connected at the front end of water delivery block.In the utility model, the adjusting assembly of water delivery block front end is set to spray head pipe adjusting angle, when preparing to spray head pipe adjusting angle, first motor drives worm to rotate, is engaged with the meshing of rotating block outer wall worm wheel, drives rotating block and spray head pipe to rotate around second water delivery pipe, so that the upward angle of spray head pipe can be realized.

The utility model relates to the technical field of beauty injection guns, in particular to a component pressurization injection gun which comprises an injection gun body, a groove is formed in the top of the injection gun body, a medicine feeding groove is formed in the bottom of the inner side of the groove, and an electric push rod is installed on one end face of the inner side of the groove. The pressure sensor is installed in the center of one end of the electric push rod in an embedded mode, the distance sensor is installed on one side of the outer ring face of the electric push rod in an intrusive mode, and the needle cylinder is placed on the inner side of the medicine feeding groove. The two adjusters are used for adjusting the pressure value of the pressure sensor and adjusting the distance value of the distance sensor, so that the pressure value is adjusted by adjusting the elongation rate in the process that the electric push rod pushes the piston rod, the injection pressure is improved, meanwhile, the injection amount is controlled through the elongation distance of the electric push rod, and the injection efficiency is improved. And the control on the single injection amount is realized.

The invention discloses an oil injection system and a vehicle, and the oil injection system comprises an oil pump, an oil injector and a plurality of oil pipes. The oil sprayer is provided with a plurality of oil inlet holes; the inlet ends of the multiple oil pipes are all connected with the oil pump, the outlet ends of the multiple oil pipes are connected with the multiple oil inlet holes in a one-to-one correspondence mode, the multiple oil pipes comprise at least one first oil pipe, and the first oil pipe has the optimized length; the first oil pipe is configured to have the maximum pressure after fuel oil moves in the first oil pipe by the optimized length. According to the oil injection system, the pipe length of at least one oil pipe can be optimized, and therefore redundancy of the pipe length is reduced.

The utility model relates to the technical field of grouting devices, in particular to a grouting device of a PHC pipe pile, which comprises a cylinder body, grout outlet holes are formed in the outer surface of the cylinder body at equal intervals in a penetrating mode, a plugging column is arranged at the bottom of the cylinder body, and a vertical rod is rotatably connected in the plugging column through a bearing. Turbine blades are fixed to the top end, located in the barrel, of the vertical rod through flat keys, and a cleaning assembly is arranged on the outer side, located in the barrel, of the vertical rod. The cleaning assembly comprises fixing sleeves arranged on the outer side of the vertical rod in a sleeving mode through flat keys at equal intervals, connecting plates are welded to the outer sides of the fixing sleeves at equal intervals, and wiping brushes are fixed to one ends of the connecting plates through bolts. When slurry enters the cylinder body, the turbine blade can be pushed to drive the vertical rod to rotate, the vertical rod rotates to drive the fixing sleeve and the connecting plate on the outer side of the fixing sleeve to rotate, the connecting plate rotates to brush the slurry outlet through the wiping brush, the slurry cannot be blocked in the slurry outlet, and the grouting efficiency cannot be affected.

The utility model provides a track self-cleaning pressurizing spraying mechanism which is characterized in that fixing clamps are distributed on at least one side of the upstream or the downstream of a mounting rod, a vertical rod pressurizing spraying pipe is arranged on the mounting rod through the fixing clamps, spraying heads are distributed on the vertical rod pressurizing spraying pipe, a water inlet hose is connected with the vertical rod pressurizing spraying pipe, and a water outlet hose is connected with the vertical rod pressurizing spraying pipe. And the mounting rod is connected with the vertical rod pressurizing spray pipe. The spraying mechanism is driven by a self-cleaning track mechanism, vertical rod pressurizing spraying arrangement is adopted, the vertical rod pressurizing spraying arrangement is beneficial to being matched with a horizontal track distribution mode, so that the track arrangement is beneficial to being optimized, the effect of gravity can be fully utilized through the arrangement of the vertical rod pressurizing spraying mechanism, the spraying pressure of a spraying head is increased, and the running cost of equipment is reduced; by optimizing the arrangement of the spraying head, effective cleaning of the cleaning part is achieved, full coverage of the cleaning part is guaranteed, no dead angle is left, and meanwhile the energy-saving and water-saving effects are achieved; under the control that the PLC is matched with the three-way valve and the booster pump, spraying cleaning with the water pressure and the water quantity adjusted is achieved.

The utility model relates to the field of dangerous chemical article fire safety, concretely relates to a dangerous chemical article storage area intelligent fire extinguishing device, including fire control connecting pipe, as the main support structure of device, the outside of fire control connecting pipe is fixed from left to right and installed with catalytic combustion formula sensor, electrochemical sensor, photoionization sensor, double wave band infrared flame detector and laser smoke sensor in proper order. Through a variety of sensors to the dangerous chemical article storage area monitoring, the fire extinguishing agent is shunted to multiple groups of oblique flow guide strips through conical support disc, and the flow guide strip is close to the inner wall of shell and guides the fire extinguishing agent to form spiral, enhances the injection pressure, and is evenly distributed to each spray head through the multichannel connector, makes the spray head rotate, ensures that the fire extinguishing agent covers no dead angle, the shell and the sensor synergistic effect, and the pressure is different and opens different passages, both adapts to different fire degree, and also avoids the traditional fixed passage because of the flow matching imbalance and leads to the problem that the fire is not completely extinguished or medium is wasted, and the fire extinguishing efficiency and resource optimization are considered.

The present application discloses a water thruster and a satellite for use in a space environment. The water thruster includes a water supply unit, a vaporization unit, a discharge unit, and an injection unit. The discharge unit further heats the water vapor output from the vaporization unit through pulse discharge, so that the water thruster provides a greater injection pressure, thereby enabling the satellite to more effectively utilize the water stored in the thruster and more effectively change orbits or adjust attitudes.

The present invention relates to the technical field of hydraulic stations, and specifically to a hydraulic station cooling system with an integrated design, comprising an oil storage tank, a hydraulic oil pump and a distribution valve assembly arranged on the oil storage tank, the hydraulic oil pump extracts hydraulic oil in the oil storage tank and transports it to the distribution valve assembly, the oil storage tank is provided with a control support pipe and a return support pipe, a connecting ring frame is connected between the control support pipe and the return support pipe, arc-surface heat-conducting disks are symmetrically arranged on both sides of the connecting ring frame, and the connecting ring frame cooperates with the arc-surface heat-conducting disk to form a closed cavity; the present invention can cool the hydraulic oil in the oil storage tank, and at the same time, can actively control the arc-surface heat-conducting disk to bulge when the hydraulic oil level is too low, so that the arc-surface heat-conducting disk bulges outward, increases space occupancy, thereby raising the liquid level and reducing the fluctuation range of the liquid level in the oil storage tank.

The invention relates to the technical field of fire extinguishing, in particular to a split handheld fire extinguisher which comprises a main tank body, an injection pressure handle, a spray pipe and a spray nozzle, the upper end and the lower end of the main tank body are provided with lateral mounting seats protruding outwards, and the injection pressure handle is mounted on the lateral mounting seat at the upper end of the main tank body. According to the split handheld fire extinguisher, the main tank body and the injection pressure handle are of a split structure and can be quickly separated and replaced after being used, so that the cyclic utilization rate of the fire extinguisher is increased, and the recovery and use cost is reduced; the split type centrifugal booster pump is fixedly mounted on the lateral mounting seat at the lower end of the main tank body, so that a lateral hanging type flow guide pipe on the outer wall of the main tank body is communicated with an air outlet of the split type centrifugal booster pump, the injection pressure is increased through bottom pressurization, and internal fire extinguishing raw materials can be completely used in a bottom opening manner; the resource utilization rate is improved.

The utility model belongs to the technical field of automobile accessory production, and particularly relates to a forming device for automobile parallel flow condenser production, which comprises a machining table and a die, the die is mounted in the center of the upper surface of the machining table, a trembling device is arranged at the rear end of the upper surface of the machining table, and a forming device is arranged above the machining table. According to the forming device for production of the automobile parallel flow condenser, after molten metal is injected into a mold, a driving motor is started to drive a rotating shaft to rotate, so that a flexible spring at the top of the rotating shaft is driven to rotate, and a rubber ball at the outer end of the flexible spring is driven to rotate to impact the mold, so that air in the molten metal in the mold is discharged through vibration; and an electric push rod is started to push a push plate to move downwards, so that the molten metal in the liquid storage barrel is pushed into the mold, the injection pressure is enhanced, and the molten metal in the liquid storage barrel is heated and subjected to heat preservation through an electric heating plate, so that solidification of the molten metal is avoided.

The application belongs to the technical field of plate-fin heat exchanger, and discloses a variable-spacing plate-fin energy-saving heat exchanger, which comprises a plurality of heat exchange boxes arranged between two pressing plates, a pipeline one and a pipeline two for supplying cooled medium and cooling medium respectively, the heat exchange box comprises a plurality of plate fins arranged at equal intervals in the interior, and further comprises an outer shell spliced by a cover plate, a channel steel edge and a bottom plate, both ends of the plate fin are provided with end sealing plates, and the end sealing plates of two adjacent plate fins are staggered and connected to form a closed rectangular water channel. The plate fin can slide horizontally in the heat exchange box, both ends of the graphite sealing strip are provided with end sealing plates which are staggered and connected to form a closed water channel when sliding horizontally. When the cooling power of the heat exchanger in the cooling system is improved, the injection pressure of the pipeline one is increased, and the rectangular water channel is expanded to the two sides due to the medium pressure to widen the water channel.