172 results about "Pressure injection" patented technology

The invention provides a flame-retardant magnesium alloy with efficient forming diversification and a preparation method of the flame-retardant magnesium alloy. The flame-retardant magnesium alloy comprises the following components in percentage by mass: 4.0-10.0% of Al, 0.2-1.6% of Ca, 0.01-0.5% of Mn, 0.1-1.5% of RE, less than or equal to 0.05% of inevitable impurities and the balance of Mg, and the added RE is one or any combination of Ce, Sm, La and Sr. The preparation method comprises the following steps: smelting and casting, granulating and pulping, and performing pressure injection molding. According to the preparation method, diversified efficient forming of complex curved surfaces, thin-wall parts, special-shaped components and the like can be achieved through cooperative regulation and control of components, the process and the structure, and the obtained flame-retardant magnesium alloy is compact in structure, has the multi-level structural characteristics including a spherical primary solid phase, a fine solidification secondary phase and a grain boundary net-shaped eutectic phase and meanwhile has good flame retardance and mechanical performance; the ignition point is 750-1200 DEG C, the yield strength is 130-200 MPa, the tensile strength is 230-300 MPa, the ductility is 5-20%, and the aluminum alloy is suitable for industrial production.

The invention relates to the technical field of high-pressure injection control, and discloses a high-pressure injector intelligent control system based on the 5G technology. An injection pressure dynamic adjusting module driven by a microcontroller of the system analyzes pressure fluctuation characteristics and generates a primary pressure compensation instruction; the fluid state reconstruction module is used for calculating fluid state reconstruction parameters in combination with the real-time flow velocity data; the multi-channel cooperative control module distributes a pressure compensation weight and generates a channel cooperative instruction set based on reconstruction parameter analysis; the abnormal pressure tracing module monitors abnormal pressure sudden change points of each unit, traces corresponding fluid state parameter change tracks and outputs tracing mark data; the injection path optimization module re-plans a propulsion path trajectory based on the marked data to generate a three-dimensional path optimization parameter table; and the safety threshold self-correction module dynamically adjusts the boundary value of the pressure threshold sequence according to the track offset, and outputs an updated safety threshold parameter set to the microcontroller.

The invention provides an oil reservoir flow regulating agent injection system, a control method thereof and a storage medium, and relates to the field of filling equipment. The system comprises a central control module, a spiral lifting feeding module, a skid-mounted stirring tank module and a high-pressure flow regulating pump skid-mounted module, and the spiral lifting feeding module comprises a shaftless spiral lifting machine, a discharging hopper and a variable-frequency speed regulator; the skid-mounted stirring tank module comprises a tank body, a stirring and mixing module and a signal acquisition module; the signal acquisition module comprises a liquid level sensor and an online viscometer which are mounted on the tank body. According to the oil reservoir flow regulating agent injection system, full-process automatic operation of the flow regulating agent from raw material conveying to high-pressure injection is achieved.

The utility model discloses a high-pressure injection molding platform of a high-speed copper cable, which comprises an injection molding assembly for carrying out injection molding on a cable of the high-speed copper cable, and further comprises a clamping tool I and a clamping tool II, the clamping tool II comprises a base, and the base is provided with a groove I for installing the cable at the rear end of the high-speed copper cable; an upper cover is hinged to one side of the upper end face of the base, a groove II matched with the groove I is formed in the lower surface of the upper cover, and anti-skid layers are arranged on the contact faces of the groove I and the high-speed copper cable and the contact faces of the groove II and the high-speed copper cable. A buckle used for fixing the closed upper cover is hinged to one side wall of the base. A PCB at the front end of a high-speed copper cable is fixed through the clamping tool I, a base groove I of the clamping tool II is matched with an upper cover groove II, a cable at the rear end is limited, front and back dual fixation is formed, meanwhile, the friction force between the anti-skid layers on the groove I and the groove II and a cable sheath is increased, and the cable is prevented from sliding.

This invention provides a method for preparing high-purity silicon carbide parts based on low-pressure injection molding, belonging to the field of silicon carbide material preparation technology. The invention involves mixing wax, dispersant, reinforcing agent, and silicon carbide powder with a purity ≥99.995wt% in a mixer. The resulting slurry is placed in a low-pressure injection molding machine and injected into a mold under heating and pressurization conditions for molding. After demolding, the resulting preform undergoes dewaxing and debinding treatment. The dewaxed preform is then placed in a purified graphite kiln and sintered in a high-temperature resistance furnace to obtain the high-purity silicon carbide parts. This invention eliminates all possible introduction of metallic impurities during the material preparation, molding, dewaxing, and sintering processes, enabling the preparation of high-purity silicon carbide parts with a purity ≥99.99wt%.

The application belongs to the technical field of high-pressure die casting production of lower vehicle body, and particularly relates to an integrated lower vehicle body double-pressure injection die casting process, which realizes rapid forming production of the lower vehicle body through cooperation of two pressure injection systems and a die casting die module with a double pouring system. The integrated forming of the lower vehicle body can be realized at one time through the die casting process, and the production efficiency of the lower vehicle body is greatly improved. Meanwhile, the die casting machine has two independent pressure injection systems which cooperate with a double-pressure injection position pouring system. The integrated lower vehicle body is filled symmetrically, the pouring efficiency of the lower vehicle body is ensured, and the uniformity of the mixed aluminum liquid is ensured through counter-attack of the two pouring systems.

This invention relates to the field of unconventional oil and gas development technology, and to a device and method for quantitatively evaluating the permeability enhancement caused by oxidative thermal stress in shale oil. The former includes a triaxial core holder housed within a constant-temperature chamber, and confining pressure injection system, oxidation medium injection system, detection medium injection system, gas collector, upstream storage tank, downstream storage tank, chromatograph, and acoustic emission sensor spaced apart outside the chamber. This application provides a dynamic multi-field coupled physical simulation system capable of simulating real formation conditions. By collecting pressure, product composition, acoustic signals, and nuclear magnetic resonance relaxation data, it utilizes a mathematical model for dynamic inversion of porosity and permeability using the pressure pulse attenuation method. It integrates acoustic emission RA-AF source identification and nuclear magnetic resonance fractal evaluation to analyze the multi-field coupling effects of thermal, flow, force, and chemical fields generated during air injection, and quantitatively evaluates the degree of improvement in shale permeability and pore structure caused by oxidative expansion.

The application discloses a pressure injection flow control system of a die casting machine, which comprises a large flow valve group, a small flow valve group and a control module; the large flow valve group and the small flow valve group are connected with input ends and output ends of a pressure injection cylinder respectively; the control module is suitable for controlling the opening degrees of the large flow valve group and the small flow valve group according to a pressure injection mode, and simultaneously correcting the opening degrees of the large flow valve group and the small flow valve group according to an actual operation state of the pressure injection cylinder, so that starting overshoot can be effectively avoided. The application further discloses a pressure injection flow control method of a die casting machine, which comprises the following steps: selecting the opening number of the small flow valve group and the large flow valve group according to a pressure injection mode of a pressure injection cylinder; and controlling the opening degrees of the large flow valve group and / or the small flow valve group in real time through a closed loop, so as to realize pressure injection precision control of the pressure injection cylinder, thereby effectively improving the response speed of the pressure injection cylinder in a pressure injection process.

Method for manufacturing at least one cooling plate for a battery cell cooling device. The invention relates to a method for manufacturing a cooling plate comprising: a step of providing a first part, a step of supplying a first mold, during which a first mold (8) is supplied, comprising a first cavity (9) configured to form on the first side (6) of the first part (4) the external face of an inner wall of a first cooling plate, a step of supplying a second mold, during which a second mold (13) is supplied, comprising a second cavity configured to form on the second side (7) of the first part (4) the external face of the outer wall, an assembly step, during which the first mold (8) and the second mold (13) are assembled together in a sealed manner.a pressure injection forming step following the assembly step, during which a fluid is injected under pressure into the mold cavity, resulting in the formation of the first cooling plate with a hollow internal cross-section. Figure to be published with the abbreviation: Fig. 6,

The application discloses a die-casting forming device for high-pressure pump part machining, which comprises a base, a mold closing system and a pressure injection system; the mold closing system comprises a fixed mold plate fixed on the base, a sliding mold plate sliding on the base, a hydraulic drive device for driving the sliding mold plate to slide, and a cooling mechanism for cooling a high-pressure pump part mold; the cooling mechanism comprises a cooling box body fixed on one side of the fixed mold plate, a low-temperature chamber and a high-temperature chamber arranged in the cooling box body, a serpentine pipeline fixed in the cooling box body, a liquid exchange channel connecting the low-temperature chamber and the high-temperature chamber, a liquid exchange-out pipe with one end connected to the low-temperature chamber, a liquid exchange-in pipe with one end connected to the high-temperature chamber, and a liquid exchange pump connected to the other ends of the liquid exchange-out pipe and the liquid exchange-in pipe respectively; a male die of the high-pressure pump part mold and a female die are fixed on opposite sides of the cooling box body and the sliding mold plate respectively. The application has the advantages that the high-pressure pump die-casting part is uniformly cooled and cooled down, and the service life of the mold is prolonged.

The application discloses a micro-visualization slice for shale bedding flow characteristic analysis and a manufacturing method thereof. The method can comprise the following steps: grinding a shale slice obtained by slicing a shale sample, and grinding the shale slice to a thickness of 30-40 microns; clamping the ground shale slice in the middle by using two pieces of organic glass slices with a thickness of 0.2-0.3 mm, and placing the clamped shale slice in an inlaying machine to perform hot pressing, so that the organic glass slices and the shale slice are pressed into one; drilling a hole in the radial direction of the organic glass slice by using a drill bit with a diameter of 0.7-0.9 mm, so that the hole after drilling is communicated with the shale slice; inserting one end of a quartz micron tube with an inner diameter of 0.5 mm into the hole to fix the quartz micron tube, and connecting the other end of the quartz micron tube with a quartz tube line with an inner diameter of 1.6 mm, so as to manufacture the micro-visualization slice for shale bedding flow characteristic analysis. The micro-visualization slice can lay a foundation for subsequent visualization seepage experiments of different bedding types, pressures and injection media, and clarify different beddings to shale gas reservoir flow patterns and development characteristics.

The application provides a geothermal development simulation test device and method, the geothermal development simulation test device comprises a high-temperature and high-pressure resistant container (6), a high-pressure injection system (1), a confining pressure loading system (2), an axial pressure loading system (3) and an axial pressure unloading system (4), the high-temperature and high-pressure resistant container (6) comprises a core containing cavity and a piston containing cavity which are sequentially communicated, and the core containing cavity can contain a core sample (606); the confining pressure loading system (2) can apply confining pressure to the core sample (606); the axial pressure loading system (3) can apply axial pressure to the core sample (606) through a piston (610); and the axial pressure unloading system (4) can remove the axial pressure applied to the core sample (606) through the piston (610). The geothermal development simulation test device and method can more truly simulate the geothermal development process.

The utility model provides a kind of multifunctional casting machine, including the smelting furnace that can melt metal is injected into mould under the action of pressure by pressure injection port;And the mould that can be side provided with pouring gate is closed, and drive mould to move to make pouring gate close or away from the mechanical hand of the pressure injection port;Pressure injection port is set to the side of smelting furnace along horizontal line;Mechanical hand is set on base, and first drive is set on base, and it can drive mechanical hand to rotate along the axis of pressure injection port. Realize pressure casting while its mechanical hand can be driven under the first drive and rotate along the axis of pressure injection port, to realize mould and turn over along axis, so first cooling cavity can be turned over to bottom, to realize complement by the gravity of melt metal itself, this mode can realize the double complement of pressure maintaining and gravity, greatly reduce the problem of internal and external surface shrinkage of part;And its structure is simple and cost is lower.

The invention relates to the technical field of safety protection of injection molding machines, in particular to an injection molding machine based on a safety protection structure, which comprises an injection molding machine body, the injection molding machine body comprises an injection part used for melting materials and performing mixed high-pressure injection, and one end of the injection part is provided with a mold closing part used for closing a mold. The mold closing component comprises a fixed mold plate, a movable mold plate and a combined mold plate assembly, a fixed mold is fixedly mounted on one side of the fixed mold plate, a movable mold is fixedly mounted on one side of the movable mold plate, a detection opening is formed in one side of the fixed mold plate, and a nozzle is arranged in the detection opening; according to the nozzle leakage detection device, by arranging a cooperative matching structure of the driving assembly, the detection assembly and the clamping assembly, the driving assembly can sequentially drive the clamping assembly and the detection assembly to work, clamping and fixing of the nozzle are completed firstly, then leakage detection is conducted, and the detection accuracy and reliability are ensured.

The utility model discloses low-pressure injection molding equipment which comprises a machine frame, at least two injection molding guns, an adjusting mechanism and a machining station, the machine frame is provided with the injection molding guns and the machining station in a supporting mode, and the discharging ends of the injection molding guns right face the machining station. And the adjusting mechanism is used for adjusting the height from the discharging end of the injection molding gun to the bottom of the processing station and the distance between the injection molding guns. According to the utility model, a plurality of products can be subjected to injection molding at the same time, and a plurality of injection molding guns can share the same pipeline for feeding, so that the utilization rate of the feeding pipeline is improved.

The invention relates to the technical field of die-casting machines, and discloses a die-casting machine die cavity release agent efficient spraying device which comprises a die-casting machine body, a molten aluminum feeding machine is installed in the die-casting machine body, a die is installed on one side of the die-casting machine body, and two portal frames are fixedly connected to the top of the die-casting machine body; according to the efficient spraying device for the release agent in the die cavity of the die-casting machine, high-temperature steam and splashes generated by spraying of the release agent are effectively captured through the multi-mechanism linkage design, it is guaranteed that the die-casting operation environment is clean and safe, pollutants are prevented from corroding core components such as a die closing mechanism and an injection system of the die-casting machine, and the spraying efficiency is improved. The die is effectively prevented from being polluted, a stable environment is provided for die casting core links such as molten aluminum injection and pressure maintaining forming, the size precision and the surface quality of die castings are remarkably improved, the die casting production efficiency and the yield are greatly improved, and the high-precision and large-scale production requirements of automobile non-ferrous metal die castings are met.

The invention provides a prefabricated ECC plate shell reinforced wind power tower tube structure and a construction method. A core structure comprises prefabricated ECC sector plates, bent connecting assemblies, epoxy structural adhesive and positioning connecting rods. A plurality of groups of prefabricated ECC sector plates are axially arranged, each group of prefabricated ECC sector plates annularly wraps the periphery of a wind power tower drum, glue injection cavities are formed between the plates and the tower drum, epoxy structural glue is injected through pressure of glue injection holes to form bonding layers, horizontal adjacent plates are fixed through bent connecting assemblies, and axial adjacent plates are connected through positioning connecting rods; in construction, factory prefabrication and on-site assembly modes are adopted, and reinforcement is completed through the working procedures of hoisting fixation, annular tensioning, pressure glue injection and the like. The integrality and the restraining effect of the ECC plate set are improved through circumferential prestress, the epoxy structural adhesive fills gaps to form a reliable force transmission interface, the bearing capacity, the rigidity and the integrality of the tower drum are greatly improved through the composite reinforcing layer, and the force transmission path is clear. And on the whole, the reinforcing effect is remarkable, construction is rapid, quality is controllable, and a reliable and economical scheme is provided for reinforcing and prolonging the service life of the in-service wind power tower drum.

The invention relates to the technical field of liquid hydrocarbon measuring devices, in particular to a device for measuring the gas forming amount of liquid hydrocarbon without being discharged out of hydrocarbon source rocks, which comprises a machine compartment, a measuring tank, a gap making driving mechanism, a plurality of high-pressure injection components, an exhaust measuring component and a gap maker, the measuring tank is arranged in the machine compartment, and a hydrocarbon source rock sample block is stored in the measuring tank; a plurality of forming holes are uniformly distributed in the hydrocarbon source rock sample block, the gap making driving mechanism can drive the gap making device to extend into the forming holes and perform wall breaking and gap making on the inner walls of the forming holes, and the high-pressure injection assembly can convey liquid hydrocarbon into pores from the forming holes at high pressure. The device is reasonable and compact in structure and convenient to use, different fractures are constructed through the gap maker, and liquid hydrocarbon is injected into the fractures through the high-pressure injection assembly, so that the migration path of the liquid hydrocarbon in an underground fracture network is simulated, the gas forming amount of the liquid hydrocarbon which is not discharged out of hydrocarbon source rocks in multiple environment conditions is simulated and measured, and the reduction simulation degree is high.

The utility model provides a kind of prefabricated pipe pile body defect reinforcement repair device, including pile core backfill layer, first concrete sealing layer, second concrete sealing layer, reinforcement cage, grouting flower pipe and straight-through pipe, the application utilizes the characteristic of pipe pile hollow, and the saturated filling, cementation of defect position of pipe pile is carried out to reinforcement cage combination closed type pressure injection pure cement slurry, improve the compression resistance, shear capacity of defect position;After obtaining saturated filling pressure injection cement of pile core grouting section, cement slurry is injected into rock-soil around pile from pile body defect, improve pile side frictional resistance and restraint force;After high-pressure grouting reinforcement, the cement of pile body and grouting section is well cemented, forms a force integral, to strengthen the integrity of pile body, improve the compression resistance and shear capacity of pile body, to meet design requirements, ensure engineering quality.

The invention discloses a pressure grouting machine, belongs to the technical field of grouting devices, and aims to solve the problems that an existing grouting machine is inconvenient to use and the like. The invention discloses a pressure grouting machine. The pressure grouting machine comprises a grouting gun; the stirring device is used for stirring the raw materials to form slurry; the weighing device is used for measuring the weight of the raw materials entering the stirring device and / or the formed slurry; the slurry formed by the stirring device can fall into the slurry tank, and the slurry in the slurry tank can be fed into the gun main body. The pressure grouting machine comprises the grouting gun, the stirring device, the weighing device and the slurry tank, stirred slurry can fall into the slurry tank and then is directly fed into the grouting gun, manual filling is not needed, the labor intensity is low, and the working efficiency is high.

The invention relates to the technical field of precision casting, in particular to an integrated complex-structure ceramic core and a preparation method thereof. Comprising the following steps: (1) mold design; (2) pressure injection molding; and (3) degreasing and sintering. According to the preparation method of the integrated ceramic core with the complex structure, the ceramic core main body structure and the core accessory structure can be integrally formed, assembly is not needed, the performance of the joint of the accessory structure and the ceramic core main body structure is improved, the performance continuity and the structural integrity of the core are improved, and meanwhile, the product quality is improved. According to the integrated mold core preparation method, the position deviation of an accessory structure and a main body structure in combined preparation can be avoided, and the accuracy of the overall size of the mold core is guaranteed.

The invention provides integrated intelligent high-pressure injection equipment for an oil-water well, and relates to the technical field of crude oil extraction. The oil-water well integrated intelligent high-pressure injection equipment comprises a bottom plate, wall plates are fixedly connected to the two ends of one side of the top of the bottom plate, supporting rods are fixedly connected to the tops of the wall plates, a first tank body is fixedly connected to the other side of the middle of the top of the bottom plate, and a second tank body is fixedly connected to the other end of the top of the bottom plate. Liquid medicine and liquid are preliminarily mixed through a fixing rod, a rotating wheel and a water bucket, then the preliminarily mixed liquid is conveyed into a first mixing pipe through a pressurizing pipe, the liquid collides with a baffle through the pressurizing pipe, the liquid is separated, and then the liquid is mixed again in the pressurizing pipe; liquid is mixed again through baffles and stop blocks in the second mixing pipe and the third mixing pipe, the mixed liquid enters the first tank body and the second tank body, and then the liquid and the medicine liquid are uniformly mixed through a driving motor.

The utility model discloses an automatic centering device for a pressure injection rod of a die-casting machine, which comprises a pressure injection pipe and a pressure injection rod, the outer wall of the pressure injection pipe is fitted with a supporting and clamping fixed plate, one side wall of the supporting and clamping fixed plate is rotatably provided with a driving piece, the driving piece is internally rotatably provided with a clamping piece, four translation pieces are arranged in the periphery of the supporting and clamping fixed plate in a sliding manner, and the four translation pieces are connected with the clamping piece. And a driving gear ring is rotationally arranged on one side of the translation piece, four driving and clamping rotating rings are rotationally arranged on the periphery of the outer wall of the translation piece, lifting screw rods are arranged in the driving and clamping rotating rings in a threaded mode, and clamping arc blocks are rotationally arranged at the bottom ends of the lifting screw rods. The driving part, the clamping part, the translation part and other parts are organically integrated through the supporting, clamping and fixing plate, all the parts are reasonable in layout, space is effectively utilized, automatic centering of the injection pipe and the injection rod is achieved, meanwhile, the overall size of the device is reduced, installation and maintenance are convenient, and the device is suitable for various die-casting machine equipment.

The invention discloses a pressure injection molding device and method of a composite structure, and particularly relates to the field of solid rocket engines. Comprising a mandrel, and the mandrel is sequentially sleeved with a positioning exhaust mechanism, a first positioning ring sleeve and a plunger from bottom to top; a first glue injection groove is formed in one end of the first positioning ring sleeve, and a first glue injection hole is formed in the bottom of the first glue injection groove; the positioning exhaust mechanism comprises a second positioning ring sleeve and an exhaust mechanism; a first groove is formed in one end of the second positioning ring sleeve, and a plurality of first steps are arranged at one end of the second positioning ring sleeve; a plurality of second grooves are sequentially formed in the circumferential direction of the inclined face, one end of each second groove extends to the inner side wall of the second positioning ring sleeve, and the other end of each second groove communicates with the first groove; and the exhaust mechanism is provided with a glue overflowing groove communicated with the first groove. Pressure injection molding is carried out based on the device, the exhaust problem between the metal framework layers is solved, and the quality of rubber layers between the framework layers is guaranteed under the condition that the metal framework structure is complete.

The invention discloses a method for synchronously inhibiting a pre-crystallization structure and a fracture chilling layer of a pressure chamber for high-pressure casting of an AlSi10MnMg alloy material, and belongs to the technical field of preparation of non-ferrous metal new materials. Alloy components are regulated and controlled to a narrow interval through transfer ladle refining and holding furnace standing, and the cleanliness is measured again; a high-pressure casting full-process temperature drop control system is constructed, and the staying time of molten aluminum in a pressure chamber, the single circulation time of soup taking of a material spoon and the filling rate of the pressure chamber are controlled by combining high-temperature standing of molten aluminum in a heat preservation furnace, heat radiation heat preservation of the material spoon, high-temperature hot oil circulation heat preservation of a split pressure chamber and a high-low-speed and low-high-speed three-stage injection process; and die-casting parameters are optimized to be matched with the split type pressure chamber to achieve precise mold filling and temperature control. According to the method, a coarse pre-crystallization structure can be eliminated, the maximum size of a fracture chilling layer is reduced, the uniformity of a microscopic structure of a casting is improved, and the as-cast tensile strength, the yield strength and the percentage elongation after fracture of a casting body meet the requirements of high-end precision parts for mechanical property stability.

The invention discloses a high-speed dispersing and stirring device and a control method, and belongs to the technical field of stirring. Comprising a mounting frame body, a high-speed motor mounted at the head end of the mounting frame body, an electromagnetic stirrer mounted in the mounting frame body and coaxially mounted with the output end of the high-speed motor, and a dispersion stirring mechanism mounted at the tail end of the mounting frame body, the dispersing and stirring mechanism comprises a stirring outer shell mounted at the tail end of the mounting frame body, a stirring cavity formed in the stirring outer shell and a pressure injection assembly mounted at the tail end of the stirring outer shell. According to the high-speed dispersing and stirring device and the control method, a flowing'dead zone 'is prevented from being formed at a corner of a container or a blind zone of a paddle, the dispersing efficiency of a gas phase and a liquid phase is remarkably weakened, and the situation that large bubbles are gathered is further avoided.

This invention relates to the field of cement mixing pile construction technology, specifically to a mechanized integrated design for cement mixing piles in silty soft soil. The design includes a mobile box with a control console fixedly connected to its top. A mixing mechanism is mounted on top of the control console. This mixing mechanism comprises a robotic arm, a fixed frame, and a protective cover. Positioning is achieved through the mixing mechanism, a mast, and the robotic arm. After positioning, the robotic arm's telescopic rod pushes the fixed frame downwards, inserting the protective cover into the ground. Once inserted, a motor rotates, driving the mixing blades to rotate and mix the cement. During the sinking and mixing process, the soil stress gradient can be monitored in real time. By dynamically adjusting the grout injection pressure and flow rate, insufficient grout injection pressure and range are avoided, thus ensuring the construction quality of the cement mixing pile. To ensure the permeability of the cement grout, the injection pressure and drill bit speed work synergistically during the sinking and mixing process, with high-pressure injection combined with low-speed mixing.

The invention discloses a ship engine methanol fuel supply pipeline detection device, and relates to the technical field of pipeline detection, the ship engine methanol fuel supply pipeline detection device comprises a cabinet, and the upper surface of the cabinet is fixedly provided with a panel. By arranging the case and the panel, a firm protective shell and a flat operation platform are provided for the whole detection device, the case is made of an anti-corrosion material so as to adapt to the marine environment, and the panel serves as an installation reference of each functional module; the spraying mechanism is used for rapidly injecting a detection solution into the methanol fuel supply pipeline, a first connecting frame is fixedly arranged on the outer surface of the spraying mechanism, and the first connecting frame is fixedly connected to the inner wall of the panel. By arranging the spraying mechanism and the first connecting frame, a high-pressure injection system of a detection solution is formed, the first connecting frame provides accurate mounting and positioning for the spraying mechanism, and the spraying mechanism is responsible for generating controllable pressure to quickly inject the detection solution into a to-be-detected pipeline, so that the effect of sealing and detecting a supply pipeline is achieved.

The utility model discloses a kind of building drilling rig construction hole collapse protection casing devices, it is related to drilling rig protection field, including drilling rig drill rod, inner protective cylinder is sleeved on the outer wall of drilling rig drill rod, outer protective cylinder is sleeved on the outer portion of inner protective cylinder, polystyrene foam is filled between inner protective cylinder and outer protective cylinder, high-pressure injection module and slurry extraction module are installed between inner protective cylinder and outer protective cylinder, the casing device innovatively uses double-layer composite protection structure, outer protective cylinder is used as main force component, and inner protective cylinder is formed into flexible isolation layer by elastomer wrapping, vibration impact in the process of drilling is effectively buffered, when drill rod drills to soft stratum such as slurry layer, slurry extraction module extracts slurry in hole by negative pressure suction nozzle quickly, reduces hole wall water pressure, reduces quicksand, piping risk, while high-pressure injection module sprays speed-setting polyurethane resin, resin mixes and solidifies with slurry quickly, reduces collapse risk, to ensure that drilling surface structure is stable.