16results about How to "Block in time" patented technology

The utility model discloses a highway tunnel surrounding rock supporting structure which comprises an outer support and an inner support, a positioning assembly is installed on the inner side of the inner support, the positioning assembly comprises a positioning ring and a clamping sleeve, a connecting assembly is installed on the positioning ring and comprises a connecting plate and a guide rod, an alarm assembly is installed on the inner side of the clamping sleeve, and the alarm assembly is installed on the inner side of the clamping sleeve. The warning assembly comprises a clamping block and a button, a reinforcing assembly is installed on the outer support and comprises a connecting rod and a screw rod, according to the highway tunnel surrounding rock support structure, when the outer support and the inner support deform due to large pressure, the clamping block extrudes the button to give out a danger alarm, so that a highway tunnel can be blocked in time, and the safety of the highway tunnel is improved. Meanwhile, the positioning ring can be prevented from collapsing, the safety of personnel and vehicles in the tunnel is guaranteed, the screw is used for generating pulling force to the outer support, the supporting strength of the outer support to rock and soil around the tunnel is improved, and the safety supporting device is suitable for safety supporting of the highway tunnel.

The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump with a water thrust reducing function, which comprises a first pump body, a convenient mounting mechanism is arranged on the surface of the first pump body and the surface of a mounting flange, and thrust reducing mechanisms are arranged on the surface of a rotating vane rod and the inner wall of a second pump body. And anti-blocking mechanisms are arranged on the inner wall of the second pump body and the surface of the screen body. According to the axial flow pump, the first pump body and the second pump body can be installed at the needed positions, the stability of the axial flow pump during installation is guaranteed, the axial flow pump can block weeds, garbage and other substances in water in time when used, the weeds, the garbage and other substances are prevented from being blocked in the first pump body and the second pump body, and the service life of the first pump body and the second pump body is prolonged. And when the axial flow pump is used, impact force and thrust of water can be reduced, water can be efficiently lifted when the axial flow pump is used, and the using effect of the axial flow pump is better.

The present invention discloses an aortic external counterpulsation device with an extracorporeal breathing chamber, comprising an intracorporeal catheter and a breathing chamber assembly, wherein the breathing chamber assembly is also connected to a counterpulsation controller via a wire. A plurality of through holes are provided on the inner end side wall of the intracorporeal catheter, and the outer end of the intracorporeal catheter is closedly connected to an extracorporeal balloon; the breathing chamber assembly comprises a shell, a piston driving mechanism and an elastic breathing chamber membrane arranged inside the shell, wherein the closed end of the elastic breathing chamber membrane is connected to the piston, and the open end of the elastic breathing chamber membrane is sealedly connected to the outer side of the root of the extracorporeal balloon after wrapping the extracorporeal balloon. The piston driving mechanism drives the elastic breathing chamber membrane to expand or compress, thereby causing the extracorporeal balloon to expand or be compressed, thereby realizing blood flow. The present invention realizes extracorporeal counterpulsation of blood in the descending aorta by placing the balloon externally and relying on the extracorporeal breathing chamber assembly to expand and compress the extracorporeal balloon. This structure can greatly increase the volume of the extracorporeal balloon, ultimately increasing cardiac output and meeting the patient's systemic blood supply needs.

The utility model belongs to clothes cleaning device technical field especially relates to a clothes brush. A clothes brush, include: the body of rubbing, it includes the hair seat and the liquid storage seat, two splices make that the body of rubbing inside forms the liquid storage chamber, and the splicing of hair seat and liquid storage seat is equipped with sealing structure, liquid valve is located on hair seat, and the liquid valve includes: the valve body, with fixed connection of hair seat, be equipped with the liquid outlet chamber that communicates with the liquid storage chamber in the valve body, and the valve body still is equipped with the valve hole that liquid flows to the outside of the body of rubbing, the valve hole is conical, movable valve head is located in the liquid outlet chamber, movable valve head includes the sealing section that cooperates with the valve hole, the sealing section forms the taper surface that adapts with the valve hole, spring is located in the liquid outlet chamber, is used for the pre -tightening force to movable valve head, makes sealing section always close the valve hole, sponge, the head of movable valve head is covered, the utility model has the advantages that the sealing property is good, and the excess overflow of cleaning fluid can be avoided simultaneously.

This invention provides a monitoring and early warning system, method, device, and storage medium for engineering construction projects. By constructing a collaborative system consisting of a data acquisition and processing module, a rule analysis module, a risk analysis module, and an early warning and response module, it brings significant technological advancements and beneficial effects. First, the system's data acquisition and processing module automatically collects, cleans, and standardizes business data from multiple heterogeneous data sources, building a unified and standardized data foundation. This provides high-quality, end-to-end data support for subsequent analysis, overcoming the problem of data silos. Second, the system's rule analysis module transforms business supervision requirements into automatically executable structured rules, enabling rapid, batch verification of known deterministic risks and improving the automation level and efficiency of compliance supervision.

The utility model discloses a liquid leakage valve, a battery pack and a vehicle, and relates to the technical field of safety valves, the liquid leakage valve comprises a valve body, a movable part and a driving mechanism; a liquid discharge channel is arranged in the valve body; the movable part is movably arranged on the liquid discharge channel so as to have a closed state of blocking the liquid discharge channel and a liquid discharge state of conducting the liquid discharge channel; the driving mechanism is electrically connected to the control module and can drive the movable part to be switched between the closed state and the liquid discharging state. According to the technical scheme, the opening and closing efficiency and reliability of the liquid leakage valve are improved in the mode of actively opening the liquid leakage valve.

The utility model relates to the technical field of protective doors, in particular to a railway tunnel doorsill-free steel structure anti-explosion protective door which comprises a foundation body, the upper side of the foundation body is fixedly connected with a wall body, a positioning groove is formed in the wall body, the interior of the positioning groove is slidably connected with a protective door body, and the middle position of the lower side of the wall body is fixedly connected with a communicating door opening. A lifting mechanism is arranged above the wall body, the lifting mechanism comprises a second equipment chamber, a connecting through hole, a winch, a connecting shaft, a servo motor, a lifting steel cable and an electromagnet, and the second equipment chamber is formed in the upper side position of the wall body; the lifting mechanism is matched with the electromagnet to fix the protective door body, when a dangerous case occurs, the electromagnet is directly powered off, at the moment, the protective door body can rapidly fall in a free falling body shape, the communicating door opening is blocked, the closing speed of the protective door is increased, the dangerous case can be rapidly blocked, and the emergency processing capacity is improved.

The utility model discloses a water leakage protection device of water purifier relates to water purifier water leakage protection device technical field, including fixed ring and quick water leakage prevention subassembly, the inner wall fixed connection of fixed ring has quick water leakage prevention subassembly, quick water leakage prevention subassembly includes the protection column fixed connection in the inner wall of fixed ring, the inner wall fixed connection of protection column has the connecting column, the inner bottom wall fixed connection of connecting column has the hydraulic box, the inside fixed connection of hydraulic box has hydraulic stem body, the top of connecting column is connected with the anti -leakage pipe of passing through, the utility model discloses the setting of quick water leakage prevention subassembly, when detecting the water leakage condition, hydraulic stem body drives the sliding column to rise in the anti -leakage pipe rapidly when personnel operating device uses, realizes the quick plugging of anti -leakage pipe, timely blocks the water flow, reduces the loss that water leakage brought, and transmission pipe and connecting pipe guarantee the unobstructed of waterway under normal circumstances.

The utility model belongs to closestool water tank technical field, specifically is closestool water tank water replenishment control structure, including interface, interface surface bottom is fixedly installed with the fixed frame, the bottom fixed mounting of fixed frame has the mounting panel, the bottom of interface is provided with the limit component, the surface of limit component is provided with the adjusting mechanism, through the setting of screw pipe, rectangular slot, sleeve, drain and limit ring, make screw pipe can transport water inside interface downward, so as to be able to transport water to sleeve and discharge to water tank, can also make sleeve can slide up and down at random on the surface of screw pipe, the opening of rectangular slot can make guiding component more stable when sliding up and down, can limit guiding component simultaneously and prevent it from appearing inclination, the cooperation of sleeve, drain and limit ring can move up and down at random on the surface of screw pipe through the rotation of user, so as to can realize the effect of adjusting water tank water level.

The application relates to the technical field of battery protective shells, in particular to a sodium ion battery protective shell which comprises a lower shell, an upper shell and a plurality of wire holes, the upper shell is detachably installed on the lower shell, the plurality of wire holes are uniformly arranged on the upper shell, at least one heat dissipation window is formed on the lower shell, a dust screen is arranged in the heat dissipation window, the protective shell further comprises: locking capsules which are annular and in plurality, the locking capsules are arranged in the wire holes; a heat dissipation module which is arranged in the heat dissipation window and is used for heat dissipation treatment of the battery, the heat dissipation module is connected with the locking capsules, and the air volume in the locking capsules can be adjusted when the heat dissipation module works; and a waterproof module which is arranged on the lower shell; the whole device has a high protection coefficient, can effectively protect the battery from water when there is accumulated water around the protective shell, can guarantee heat dissipation work of the battery, and can prolong the service life of the battery.

The utility model provides a pipeline leakage detection device, which relates to the pipeline detection field, and is characterized in that the pipeline leakage detection device comprises a mounting rack and a sealing ring structure, four corners of the lower end of the mounting rack are fixedly provided with support frames, the lower ends of the support frames are rotatably connected with moving wheels, the sealing ring structure is located at the inner side of the mounting rack, and the moving wheels are rotatably connected with the moving wheels. A moving rod is arranged at the upper end of the sealing ring structure, a sliding block is arranged at the upper end of the fixing plate and is in sliding connection with a sliding groove in the inner side of the moving rod, the moving rod is used for controlling the opening range of the sealing ring structure, a connecting box is fixed to the upper end of the moving rod, and rotating seats are rotationally connected to the two sides of the connecting box; and the lower end of the rotating seat is fixedly connected with the mounting frame through a fixing bolt, and the rotating seat is used for driving the sealing ring structure to obliquely rotate. The fuel leakage detection device has the advantages that the fuel leakage position can be found in time by matching with the thermal imaging technology, accurate positioning is carried out, and the leakage position can be blocked in time by matching with the sealing ring structure.

The utility model discloses a non-return battery pack cooling joint, which belongs to the technical field of battery production and comprises an interface shell, one end of the interface shell is fixedly connected to a water outlet of a cold plate, and a cooling water circulation channel communicated to a water pipe joint is arranged in the interface shell; and the self-sealing device comprises a core body which is elastically connected in the interface shell, and the core body elastically moves in the interface shell so as to open and close the cooling water circulation channel. According to the non-return battery pack cooling joint provided by the invention, when the cooling water interface on the cold plate fails, the core body elastically moves in the interface shell to close the cooling water circulation channel in the interface shell, so that the purpose of timely plugging the interface is achieved, and the risk of short circuit in the battery caused by overflow of cooling water is avoided.

This application relates to the field of drilling tools for mixing piles, and discloses a deep mixing pile drilling tool for preventing slurry backflow. The tool includes a drill rod with a drill bit at its bottom end. A mixing blade is provided on the outer surface of the drill rod near the drill bit. The drill rod is hollow, with the hollow interior serving as a slurry delivery channel. A slurry outlet pipe is provided within the side wall of the drill rod near the drill bit. This deep mixing pile drilling tool for preventing slurry backflow utilizes a spring. When the slurry delivery pressure decreases after the spring stops, the spring pushes a connecting ring to move. This causes the connecting ring to move a sealing plug towards the end face of the slurry outlet pipe through a connecting sleeve. The sealing plug tightly fits the outlet end face of the slurry outlet pipe, effectively sealing the outlet pipe's slurry outlet when the drilling tool stops delivering slurry. This prevents impurities in the drilling slurry from entering the slurry outlet pipe when slurry delivery stops, thus preventing blockage and ensuring smooth slurry delivery.

The utility model relates to the technical field of smoke exhaust, in particular to an electric fireproof valve and a central smoke exhaust device. The electric fireproof valve comprises a valve body, a valve rod and a valve rod, the valve plate is movably arranged in the valve body and is connected with the opening part in an opening and closing manner; the fusible fireproof assembly comprises a pull rod, a guide rail and a fusible piece. One end of the fusible link is fixedly connected with the valve body; the other end of the fusible link is fixedly connected with the pull rod; the pull rod is slidably connected with the guide rail; when the temperature in the valve body reaches the fusing temperature state of the fusible link, the fusible link is fused, then the pull rod is separated from the fusible link and slides along the guide rail, and then the valve block is driven to move to abut against the opening part in a closed mode. Furthermore, when the temperature in the valve body reaches the fusing temperature of the fusible link, the pull rod is separated from the fusible link, and under the action of the pull rod, the valve plate is closed and propped against the opening part, so that the sealing performance of the valve plate in the case of power failure is ensured.

The utility model provides an auxiliary plaster pasting device, and belongs to the technical field of medical auxiliary devices. Comprising a shell, a handle is fixedly connected to the outer side of the shell, an auxiliary plaster applying assembly is arranged on the inner side of the shell and comprises a plaster inlet pipe, a pressing assembly, a mounting assembly, a push plate and a push rod, the pressing assembly and the mounting assembly are used in cooperation, and the mounting assembly is arranged on the inner side of the shell; and the medicine inlet pipe is fixedly connected with the shell. Through the arrangement of the auxiliary plaster applying assembly and the adoption of a combined structure, the plaster applying device can be completely detached, is convenient for subsequent cleaning and is more sanitary to use.

The utility model discloses a kind of high-speed special-shaped plug-in machine conveying mechanism, comprising: cabinet, the cabinet left and right sides symmetrically are provided with feeding and discharging window, bracket is provided in cabinet, two groups of three-axis transfer components are symmetrically arranged above bracket, three-axis transfer component drive connection plug-in module, two feeding and discharging tables are also symmetrically arranged in cabinet, material conveying mechanism is arranged below three-axis transfer component, the both ends of material conveying mechanism butt joint feeding and discharging window, material conveying mechanism includes second section conveying module, middle part conveying module, jacking module, fixed frame, blocking module and first section conveying module.The utility model material conveying mechanism uses sectional design, can satisfy the efficient cooperation of double-channel plug-in machine, and higher flexibility.