23results about How to "Realize blocking" patented technology

The utility model discloses a quick switching connecting device for steel pipe pile grouting construction, include: mounting panel, present arc shape buckling in the outer wall of steel pipe pile, grouting pipe, horizontal setting in the one end of mounting panel, and be used for connecting the grouting mouth of steel pipe pile lower extreme, pump pipe joint, fix on concrete pump pipe, and be used for connecting grouting pipe, screw, set up in the one end of mounting panel away from grouting pipe, and present up and down distribution, and be used for fixing on steel pipe pile, and the horizontal setting of mounting panel has the strip -shaped hole that supplies screw to wear, locking piece, fix on steel pipe pile, and be used for fixed mounting panel, the utility model has the following advantages and effect: through setting up the mounting panel of sliding installation on steel pipe pile, and setting up grouting pipe on mounting panel, make the grouting pipe of slippage of mounting panel connect grouting mouth on steel pipe pile, also can realize the plugging of grouting mouth, make construction process more convenient, improve construction efficiency, be favorable to the rapid construction of batch steel pipe pile.

This invention relates to the field of laser cutting technology, specifically a laser processing device for the production of disconnect switches. The device includes a main body with a sliding arm slidably connected to it. A transverse drive is slidably connected to the sliding arm, and a laser cutting head is mounted on the transverse drive. A follow-up pretreatment mechanism is fixedly connected to the sliding arm. The follow-up pretreatment mechanism includes a second double-headed telescopic rod fixedly connected to both sides of the sliding arm. An upper plate and a lower plate are fixedly connected to the upper and lower sides of the second double-headed telescopic rod, respectively. This device uses multiple telescopic rods to move the adsorption box, achieving sealing of the adsorption box and opening of the suction box. Simultaneously, it uses a wedge, rack, and gear linkage to switch the clean section of the dustproof cloth strip, automatically cleaning the protective mirror through negative pressure suction and wiping with the clean cloth strip. Compared to manual cleaning of the protective mirror, this cleaning method is more convenient and efficient, improving the overall cutting efficiency of the equipment.

This invention relates to a metal ion crosslinking stabilizer. It primarily addresses the problems of existing gel profile control agents, such as short gelation time, easy damage to medium and low permeability layers during injection, and inability to achieve deep reservoir sealing. Its components and proportions by mass percentage are as follows: 1%-2% retarder, 3%-5% reinforcing agent, 1%-3% regulator, 4%-5% ion stabilizer, 1%-2% water purifier, and the balance being water. Preparation method: 1) Add the ion stabilizer and reinforcing agent to water according to the proportions and mix evenly in a 45°C water bath; 2) Add the regulator to the mixture and mix evenly; 3) Add the retarder and maintain the water bath for 2-3 hours; 4) Add the water purifier to obtain the target product. This metal ion crosslinking stabilizer can be used as an auxiliary additive component in the formulation of polyacrylamide ion crosslinking profile control agent systems. It can prolong the gelation time of the profile control agent, ensure the gel viscosity of the profile control agent, improve the stability of the profile control agent, and achieve effective sealing of the system.

This utility model relates to the field of airtightness testing of radiators, and discloses a water-based airtightness testing device for radiators, including a testing base, a vertical connecting assembly for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting assembly for sealing the side holes of the radiator. The vertical connecting assembly includes a lifting seat that can move vertically and a vertical driving component for driving the lifting seat to move. The lower surface of the lifting seat is provided with a first vertical rubber block and a second vertical rubber block, and the upper surface of the lifting seat is provided with a water injection hole. The end of the second vertical rubber block is provided with a connecting hole that communicates with the water injection hole. The horizontal connecting assembly includes a horizontal rubber block and a horizontal driving component for driving the horizontal rubber block to move horizontally. When the first vertical rubber block is located above the radiator outlet, the second vertical rubber block is located above the radiator inlet, and the horizontal rubber block is directly opposite the side holes of the radiator.

This utility model relates to the field of sealing conduits, and particularly to a sealing device for conduits, comprising a gripping rod, a pressurizing component, a pressure line, and an injection mechanism for extending into the conduit port. The end of the gripping rod is detachably connected to a storage container for adhesive, and the injection mechanism is detachably connected to the outlet of the storage container for adhesive, with an injection port communicating with the outlet. The pressurizing component is connected to the pressure line, which is detachably connected to the storage container for adhesive. The operator uses the gripping rod to raise the storage container for adhesive to a designated position and inserts the injection mechanism into the conduit port. Pressure is transmitted through the pressure line to inject adhesive into the conduit port, achieving the purpose of sealing the conduit at a high location. When sealing conduit ports at high locations, scaffolding is avoided, reducing scaffolding costs and ensuring the safety of workers.

The utility model belongs to pipeline construction technical field discloses a staggered flange plugging device, including sealing assembly, glue injection subassembly and locking assembly, sealing assembly includes sealing band, sealing band is around the outside circumference of two mutually connected flanges and sets up, the side surface of sealing band towards flange and the outside circumference side surface of flange abut, the position of the joint of two flanges is provided with glue injection hole on sealing band, one end of glue injection hole and the gap between two flanges intercommunication, the other end of glue injection hole penetrates sealing band along the thickness direction of sealing band, the one end of glue injection hole away from flange is detachably connected with sealing sleeve, the glue injection head of glue injection subassembly is connected with glue injection hole, is provided with the chamber for placing sealant in glue injection subassembly, and the chamber is connected with glue injection head, the both ends of sealing band along its length direction are connected with locking assembly, and locking assembly can tighten sealing band to make sealing band abut tightly the outside circumference side surface of flange. The device can effectively realize the effect of plugging and fixing to two staggered flanges.

A biopsy gun capable of simultaneously forming a hemostatic hydrogel within the puncture channel after biopsy sampling is disclosed. The gun comprises a cannula that is ejectibly mounted to the gun body, multiple powder storage chambers arranged around a central through-hole, each with a puncture-proof bottom at the end furthest from the gun body. Two types of hydrogel precursor powders capable of cross-linking with bodily fluids are alternately placed in the powder storage chambers. A needle core is ejectibly mounted to the gun body and passes through the central through-hole, with a sampling groove at the end furthest from the gun body. Multiple needles connected to the proximal end of the needle core are inserted into the powder storage chambers in an L-shape. A medical silicone plug is fitted onto the needle, forming a sealed environment with the powder storage chambers. Upon activation, the needle core ejects first, and the needles, along with the silicone plug, puncture the bottom of the powder storage chambers, generating a pulsed pressure that releases the two precursor powders into the wound. The cannula ejects later to cut the tissue and complete the sampling. After sampling, the needle core and cannula are withdrawn, and the hydrogel precursor powders absorb blood from the wound, forming a hydrogel in situ to fill the wound.

This application provides a zebra crossing marking device for application, relating to the field of zebra crossing construction. This application involves setting a second hollow hexagonal plate and an internally threaded tube on a hollow cotton rope. After the hollow cotton rope is wound up, the internally threaded tube is connected to a first externally threaded tube to seal the first externally threaded tube, thereby preventing powder from seeping out of the first externally threaded tube, reducing powder waste, lowering construction costs, and protecting other tools from contamination by successfully preventing powder seepage, thus reducing maintenance and replacement costs caused by tool contamination.

The application discloses a kind of fuel cell's inspection device and fuel cell, it is related to battery inspection technical field, wherein, the inspection device of fuel cell includes main body, plug connector and sealing structure, multiple through installation channels are separately provided on main body, installation channel includes sealing section and connecting section;Plug connector includes contact terminal and transmission line, contact terminal includes connecting part and contact part, when contact terminal is inserted into installation channel, connecting part is correspondingly arranged in sealing section, and contact part is correspondingly arranged in connecting section;Connecting part forms through mounting hole, and transmission line extends into mounting hole;Sealing structure is sleeved on the outer periphery of transmission line, sealing structure is made of elastic material, and the outer diameter of sealing structure is greater than the inner diameter of sealing section.The application realizes the plugging of water vapor by the cooperation of sealing structure and installation channel, avoids the corrosion and oxidation of water vapor into installation channel to contact terminal, transmission line and main body, prolongs the service life time of voltage inspection device.

The utility model relates to mechanical engineering technical field discloses tank body crack automatic plugging device, including tank wall, the outer wall fixedly connected with outer ring of tank wall, the outer wall fixedly connected with control mechanism of outer ring, the inner wall fixedly connected with the fit mechanism of control mechanism, control mechanism includes fixed frame, the inner wall of fixed frame is fixed in the outer wall of outer ring, the outer wall fixedly connected with connecting frame no.

The application discloses a gel microsphere profile control agent with salt response characteristics and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing an anionic monomer, a cationic monomer, acrylamide, persulfate, sodium dodecyl sulfate and deionized water, and adjusting to neutral to obtain a first mixed solution; adding oil-soluble methyl beta-acryloyloxy octadecyl propionate into the first mixed solution, stirring to a transparent and uniform state to obtain a second mixed solution; dispersing the second mixed solution into a plurality of microdroplets by using a microfluidic technology, and solidifying the microdroplets by a polymerization reaction to form a plurality of microspheres. The application utilizes the strong anti-polyelectrolyte phenomenon of zwitterions to polymers in salt water, the association of hydrophobic groups and the ionic bond action between anions and cations, realizes real-time regulation and control of the performance of the gel microspheres, improves the stability of the gel microspheres in a long-term migration and plugging process, and greatly improves the water injection development effect of a heterogeneous oil reservoir.

This application discloses an adaptive PLC pneumatic flap control device for material feeding into a mill, comprising upper and lower control troughs installed on a discharge chute, a discharge flap fixed on a rotating shaft, a connecting rod rotating at one end of the rotating shaft, and a transmission rod rotating at the other end of the connecting rod. The upper end of the transmission rod is rotatably connected to the lower end of a cylinder via a connecting assembly, and the cylinder is electrically connected to a PLC control system. In use, based on the actual material feeding situation, the frequency and duration of the cylinder's extension and retraction can be adjusted by the PLC control system to discharge and block material. When the cylinder extends, the transmission rod and connecting rod work together to drive the rotating shaft to rotate, thereby driving the two discharge flaps to rotate, causing their bottoms to approach each other and close, thus blocking the falling material. When the cylinder shortens, the bottoms of the discharge flaps move away from each other, allowing material to be discharged. This ensures that materials meeting the mill feeding standards can be fed into the mill in a timely manner and form a circulation within the roller press circulation system, effectively reducing the circulating load on the dual-drive elevator and roller press.

This utility model relates to the technical field of feed mixing devices, specifically, to a mixing and stirring device for cattle feed processing. It includes a mixing drum, a stirrer for mixing, a conical cylinder fixedly mounted at the bottom of the mixing drum, a discharge pipe fixedly mounted at the bottom end of the conical cylinder, a discharge valve fixedly mounted on the discharge pipe, and a sampling component for sampling at the discharge pipe. The sampling component includes a discharge pipe fixedly mounted on the discharge pipe, a sample overflow pipe fixedly mounted on the bottom of the discharge pipe, a threaded cylinder fixedly mounted at the end of the discharge pipe, a stud threadedly connected to the threaded cylinder, a connecting rod fixedly mounted at the rear end of the stud, and a piston fixedly mounted at the end of the connecting rod extending into and slidingly connected to the discharge pipe. This utility model facilitates mixing and sampling operations and is convenient to use.

This utility model discloses a spinal-epidural anesthesia catheter, relating to the field of medical device technology; it includes a catheter, a central stent, and an expansion stent; the catheter includes a first segment and a second segment connected together; the first segment and the second segment are internally connected to form a drug inlet channel; a first drug outlet is opened on the outer side of the first segment, and a second drug outlet is opened on the outer side of the second segment; the first segment is used to enter the inner side of the dura mater, and the second segment is used to enter the outer side of the dura mater; the central stent is connected to the drug inlet channel; the expansion stent is connected to the drug inlet channel, one end of the expansion stent is connected to the central stent, and the other end of the expansion stent is connected to the inner wall of the catheter; the expansion stent can move relative to the central stent so that the wall of the catheter can expand or contract in the radial direction; multiple expansion stents are arranged along the circumference of the central stent to divide the drug inlet channel into multiple non-communicating chambers, and different medications are delivered to designated locations through their respective chambers.

This invention belongs to the field of construction safety management technology, specifically a video surveillance device for construction safety control. It includes a base, a support column fixedly mounted on the top of the base, a lifting column connected to the top of the support column, a drive plate connected to the upper side of one side wall of the lifting column, a drive block connected to the bottom of the drive plate, and a camera connected to the tail end of the drive block. A fixed shell is connected to one side wall of the lifting column, and a recessed portion is formed on the top of the fixed shell. Sponge strips are installed on both sides of the inner cavity of the recessed portion. This invention uses the drive plate to move the camera back, thereby moving the camera to the upper side of the fixed shell. Then, the fixed shell is moved upwards, placing the camera inside the cavity of the fixed shell. The camera then rotates, allowing the sponge strips to clean its surface, removing impurities and ensuring the cleanliness of the camera surface, thus guaranteeing the image capture effect.

This utility model relates to the field of medical device technology and discloses a nasopharyngeal specimen extraction device, including a fixed tube, an extraction assembly, and a negative pressure suction device connected in sequence. The extraction assembly includes an extraction tube, an annular filter, a fixed ring, and several elastic plates. The annular filter is fixedly disposed on the inner circumferential wall of the extraction tube and is used to allow mixtures such as blood, mucus, or tissue fluid to pass through, while also blocking the passage of nasopharyngeal specimens. The first end of each elastic plate is fixedly disposed on the fixed ring. The second end of each elastic plate is inclined towards the middle of the extraction tube. When the negative pressure suction device is activated, it drives the second ends of each elastic plate to sequentially abut. The closed elastic plates guide the mixture containing the nasopharyngeal specimen to flow towards the annular filter on the outer circumference of the elastic plates. The annular filter blocks the nasopharyngeal specimen, separating the nasopharyngeal specimen from the mixture within the nasopharynx, thus achieving simultaneous specimen protection and visual field cleaning.

This invention belongs to the technical field of steam turbine design and discloses a steam turbine end split-face compression sealing assembly based on the Poisson effect. The assembly includes an upper metal pressure plate, a lower metal pressure plate, multiple layers of high-temperature rubber sheets, a side metal pressure plate, and side high-temperature rubber sheets. The multiple layers of high-temperature rubber sheets are disposed between the upper and lower metal pressure plates and are fixed by high-strength bolts that penetrate the multiple layers of high-temperature rubber sheets, the upper metal pressure plate, and the lower metal pressure plate. The sealing ends of the multiple layers of high-temperature rubber sheets protrude from the upper and lower metal pressure plates. The thickness of the middle layer of high-temperature rubber sheets is less than that of the top and bottom layers. Bolts are provided at the ends of the upper and lower metal pressure plates, and through bolt holes are provided in the side metal pressure plates and the side high-temperature rubber sheets. The bolt holes in the side metal pressure plates are vertically elongated elliptical holes, and the bolts are matched and fixed with the vertically elongated elliptical holes. This application can achieve sealing of split-face leakage problems existing in narrow spaces.

The application discloses a medicine bottle disc unloading device, which comprises a feeding mechanism, a poking mechanism, a turnover mechanism, a discharging mechanism and a disc taking mechanism, the turnover mechanism is arranged between the discharging end of the feeding mechanism and the feeding end of the discharging mechanism, the poking mechanism is installed above the turnover mechanism, and the disc taking mechanism is installed on one side of the turnover mechanism; the turnover mechanism comprises a support, a turnover frame and a rotating motor, the turnover frame is rotatably installed on the support and is driven to rotate by the rotating motor; the poking mechanism comprises a first scraper assembly for pushing the medicine bottle from the turnover mechanism to the discharging mechanism; the disc taking mechanism comprises a driving assembly and a suction disc, and the suction disc for grabbing the tray is installed on the action end of the driving assembly. The device can effectively improve the disc unloading efficiency of the medicine bottle, and further improve the filling quality and efficiency of the whole bottled medicine.

The utility model discloses assembly type building grouting sleeve template alignment ware, including sleeve: the sleeve right side inserts and unites the grouting pipe, the sleeve left side welding has the threaded butt joint pipe of being linked with its intercommunication, threaded butt joint pipe is connected with steel template thread, the inner chamber of sleeve is provided with the plugging component, the plugging component includes the guide pin of welding in sleeve inner chamber front side and rear side all welding, the inner chamber slidingly connected of sleeve has the plug, the right side of sleeve is provided with the grouting hole of being matched with plug. The utility model discloses through the setting of threaded butt joint pipe, makes sleeve and steel template connect, then under the use of threaded sleeve cooperation, makes sleeve and grouting pipe complete butt joint, simultaneously under the use of plugging component cooperation, realizes automatic opening and plugging, finally through grouting pipe and external grouting machine to the grouting in steel template, can reach the purpose of alignment simple and quick and automatic opening plugging.

This invention provides a refrigerator, including a cabinet and a door. The door includes a door shell, a handle base, a handle cover, and a foam layer. The door shell has a through hole. The outer side of the handle base has a locking hole with an internal thread. The outer side of the handle base fits against the inner side of the door shell, surrounding and sealing the outer periphery of the locking hole and the through hole. The locking hole and the through hole are connected. The handle cover includes a cover portion and a locking portion protruding from the cover portion. The locking portion passes through the through hole and the locking hole sequentially and is detachably locked within the locking hole. The cover portion abuts against the outer side of the door shell. The foam layer is disposed on the inner side of the door shell and covers the handle base. The detachable locking of the handle cover and handle base enables the handle cover to be positioned and fixed to the handle base before foaming, and to seal the through hole. Positioning of the handle cover and sealing of the door shell do not require separate bolt installation or removal, simplifying the production process and improving production efficiency.