157results about How to "Good sealing" patented technology

The invention relates to the technical field of membrane bioreactors, and discloses an integrated sewage treatment membrane bioreactor and a sewage treatment method. The reactor comprises a treatment pond, a pretreatment unit and a membrane treatment unit are arranged in the treatment pond, the membrane treatment unit comprises a support, a pump body is fixedly installed at the top of the treatment pond, a channel is formed in the support, and the extraction end of the pump body is communicated with the channel through an extraction pipe. According to the invention, the root of a membrane filament can be clamped by a pair of moving clamping plates after the membrane filament is broken, so that the membrane filament is closed after being broken, sewage is prevented from entering the membrane filament without being filtered by filter holes and polluting the whole membrane treatment unit, the clamping plates can be protected, impurities are prevented from being accumulated on the surfaces of the clamping plates, and the service life of the membrane treatment unit is prolonged. And protection on the clamping plates can be cancelled during use, so that the clean clamping plates are exposed outside, the subsequent clamping plates cannot be influenced by impurities when clamping and sealing membrane filaments, and the sealing effect on the membrane filaments is better.

The invention belongs to the technical field of medical instruments, and particularly relates to a dense net support. The dense net support comprises a front fixing section, a blocking section and a rear fixing section, and the blocking section is located between the front fixing section and the rear fixing section. The plugging section is connected with the front fixing section through a front connecting piece, and the plugging section is connected with the rear fixing section through a rear connecting piece; the plugging section is used for plugging an aneurysm position of a blood vessel, the plugging section sequentially comprises an inner layer part, a middle layer part and an outer layer part from inside to outside, the inner layer part adopts an inner layer metal stent, and the outer layer part adopts an outer layer metal stent. The dense net stent can adjust hemodynamics more accurately, and it is ensured that the blood flow of healthy blood vessels is not affected while the aneurysm is closed; the sealing effect of the aneurysm is ensured, and thrombosis is well promoted, so that blocking and healing of the aneurysm are promoted; and the endothelialization process of the stent is facilitated, so that the success rate of fusing the stent into the blood vessel is improved, the effect of completely sealing the aneurysm opening is achieved, and the recurrence risk is reduced.

The invention relates to the technical field of a preparation method of a determination kit for in-vitro determination of adiponectin in a human body, and particularly discloses a preparation method of a determination kit for in-vitro determination of adiponectin in a human body, which comprises the following steps: a coupling process; an S-shaped bent pipe is installed on the side connector, an upper connector is kept in an open state, a perfusion device adds 0.3-0.4 volume of a sealing buffer solution into the glass bottle, and 0.1-0.2 volume of the sealing buffer solution is injected into the glass bottle through an injection connector; and a storage process: closing the filling interface, opening the cover body, installing the up-down extending pipe, covering the cover body, opening the filling interface, carrying out resuspension ultrasonic treatment by using the storage buffer solution, and carrying out centrifugal washing for three times, thereby finally obtaining the adiponectin latex antibody. The device is easy and convenient to operate, simple in structure, independent of the manual control level and high in preparation efficiency, the situation that materials are left in a small-size glass bottle, consequently, the material ratio is difficult to control, and a small amount of confining liquid is needed is avoided, and the prepared adiponectin latex antibody is good in accuracy.

The invention relates to the technical field of carbon burying and utilization, and particularly discloses a method for increasing the carbon dioxide burying amount by using a gas-soluble foaming agent. The gas-soluble foaming agent is adopted, in-situ foaming can be achieved through formation water, the carbon storage space is increased, and the dynamic stability effect can be achieved after foam is broken; in-situ foaming is realized around a shaft through segmented alternate injection of a front gas-soluble foaming agent slug and a rear CO2 slug; by setting a real-time injection pressure feedback mechanism and dynamically adjusting the injection mode, early breakthrough and loss of carbon dioxide are reduced, the sealing efficiency is remarkably improved, and the burying effect of carbon dioxide is effectively improved.

The present invention discloses a horizontal bag-feeding packaging machine, including a bag-taking device, a bag-sucking device, a loading device, a sealing device and a bag-feeding device throughout the entire packaging machine. The bag-taking device includes a bag-placing mechanism and a bag-grabbing mechanism, wherein the bag-placing mechanism is used to limit the placement of the packaging bag, and the bag-grabbing mechanism is used to grab the packaging bag and move it to a specified position; the bag-sucking device is used to separate the bag opening of the packaging bag, the loading device is used to load the packaging bag, and the sealing device is used to seal the bag opening. The present invention improves the efficiency of separating the bag opening of the packaging bag, facilitates the subsequent bagging, and improves the applicability of the bag-sucking device to different types of packaging bags; the loading device of the present invention has the advantages of simple structure, flexible operation, accurate bagging of materials, and makes subsequent packaging bags easier to seal; the bag-feeding device of the present application adopts a method of clamping and fixing the packaging bag for conveying instead of the cam conveying method of the horizontal bag-feeding packaging machine, and the equipment structure is relatively simple, low cost, stable operation, and convenient debugging and maintenance.

The invention discloses a fiber ring repairing device. The fiber ring repairing device comprises a degradable elastic restraining bag and filler filled in the elastic restraining bag. Space in the elastic constraint bag comprises a positioning space, a supporting space and a limiting space, and the filler comprises first filler and second filler. The first filler is located in the positioning space, fixed in shape to form a positioning part, located on the outer side of the fiber ring crevasse and used for conveying and positioning. Corresponding parts of the supporting space and the limiting space in the elastic constraint bag can be folded under the non-filling condition and then enter the fiber ring crevasse, and then the second filling part flows into the supporting space and the limiting space and forms a supporting part and a limiting part after being solidified. And the part, corresponding to the supporting space, in the elastic constraint bag can be elastically deformed under the filling of the second filler so as to adapt to the shape of the crevasse of the fiber ring. The limiting part is located on the inner side of the fibrous ring crevasse, provided with a limiting face abutting against the inner side wall of the periphery of the fibrous ring crevasse and used for preventing the fibrous ring repairing device from being extruded out of the fibrous ring crevasse by the nucleus pulposus.

The invention discloses a method for preparing a sodium-ion battery hard carbon negative electrode material by modifying industrial waste activated carbon. Industrial waste activated carbon is used as a raw material, a high-molecular polymer is used as a modifier, water or an organic solvent is used as a solvent, and the sodium-ion battery hard carbon negative electrode material is obtained through process treatment of firstly mixing, then carrying out medium-low temperature pretreatment and finally carrying out high-temperature carbonization. The method disclosed by the invention is simple and environment-friendly in process, waste utilization of the waste activated carbon generated in the field of waste gas treatment in the electronic industry, the shoemaking industry or the printing industry can be realized, and the prepared hard carbon has the characteristics of high yield, good electrochemical performance and low cost.

The invention discloses a high-adhesion environment-friendly chassis armor coating and a preparation method thereof, and belongs to the field of coating compositions. The environment-friendly chassis armor coating with strong adhesive force is prepared from the following components in parts by weight: 10 to 30 parts of acrylic resin, 10 to 30 parts of epoxy resin, 10 to 25 parts of filler, 5 to 10 parts of texanol, 1 to 5 parts of dispersing agent, 0.1 to 1 part of silane coupling agent, 0.5 to 1 part of thickening agent and 30 to 60 parts of environment-friendly solvent. Under the mutual cooperation of the components, the coating provided by the invention is high in solid content, high in drying speed, excellent in sealing property and good in adhesive force, and is adaptive to a carbon fiber chassis of a new energy automobile.

The invention relates to the technical field of high-temperature superconducting magnets, in particular to a vacuum paraffin solid sealing control method for a high-temperature superconducting magnet. Comprising the steps that a plurality of working sub-areas are established according to parameters of the solid sealing equipment, and a heating sub-module is arranged in each working sub-area; characteristic parameters of the to-be-processed high-temperature superconducting magnet are obtained, and a solid sealing control strategy of the to-be-processed high-temperature superconducting magnet is set according to the characteristic parameters; acquiring monitoring data of each working sub-region according to a preset feedback time node, and judging whether a correction instruction is generated or not according to all the monitoring data; a coil tray in a paraffin solid-sealing furnace is improved, a plurality of working sub-areas are established, a modular heating mode is adopted, the solid-sealing requirements of various types of high-temperature superconducting magnet coils are met, meanwhile, a corresponding solid-sealing control strategy is rapidly set according to real-time characteristic parameters of a high-temperature superconducting magnet to be processed, and the high-temperature superconducting magnet coil solid-sealing efficiency is improved. And the paraffin sealing effect and the overall sealing efficiency of the high-temperature superconducting magnet coil are improved.

The invention belongs to the technical field of coal mine gas extraction, and relates to a flexible wall-attached hole sealing device, a hole wall crack blocking method and a hole sealing method.The flexible wall-attached hole sealing device comprises a flexible wall-attached hole packer and an air bag, the flexible wall-attached hole packer comprises a hole-shaped flexible wall-attached material, and the outer diameter of the hole-shaped flexible wall-attached material is matched with the inner diameter of a coal seam gas extraction drill hole; the air bag comprises a central flow injection pipe and an air bag fixedly arranged on the central flow injection pipe in a sleeving mode, the front end of the central flow injection pipe penetrates through the air bag, and a flow injection hole communicated with the air bag is formed in the central flow injection pipe so that water can be injected into the air bag or air can be inflated into the air bag, and therefore the hole-shaped flexible wall-attaching material can be attached to the inner wall of the coal seam gas extraction drill hole; and / or, a plurality of grouting pipes are arranged on the outer side of the hole-shaped flexible wall-attaching material, and water is injected into the hole-shaped flexible wall-attaching material after the hole-shaped flexible wall-attaching material is attached to the inner wall of the coal seam gas extraction drill hole, so that the hole-shaped flexible wall-attaching material is solidified, and the inner wall of the coal seam gas extraction drill hole is blocked.

The invention relates to a strong plugging type oil-based drilling fluid system suitable for a fractured formation and a preparation method thereof, the oil-based drilling fluid system comprises the following components by mass: 70-80 parts of base oil, 3-5 parts of an integrated emulsifier, 1-3 parts of an alkalinity regulator, 2-4 parts of a liquid filtrate reducer, and 1.5-3 parts of an oil-based efficient tackifying and shear strength improving agent, 1.5-3.0 parts of a multi-stage crack plugging agent and 0-80 parts of a weighting material. The strong-plugging oil-based drilling fluid is wide in application range, the density can be adjusted between 0.9 g / cm < 3 > and 2.2 g / cm < 3 >, and the strong-plugging oil-based drilling fluid has relatively good rheological property, suspension stability and filter loss control capability in a range of 60-170 DEG C and can be applied to shale gas drilling construction of a fractured formation.

The invention discloses a method for in-situ growth of a ZIF-7 film layer on the surface of a magnesium alloy micro-arc oxidation film layer, and the method specifically comprises the following steps: step 1, treating the surface of a magnesium alloy workpiece to be processed to make the surface smooth; 2, the workpiece treated in the step 1 serves as an anode to be placed in electrolyte, graphite serves as a cathode, a direct-current power source is adopted for conducting micro-arc oxidation treatment on the workpiece in a constant-current mode, a micro-arc oxidation film layer is formed on the surface of the workpiece, and then cleaning and blow-drying are conducted; step 3, putting the workpiece prepared in the step 2 into a ZIF-7 seed crystal solution, keeping the temperature at 110-130 DEG C for 180-300 minutes for in-situ growth, and taking out, cleaning and drying the workpiece after the growth is finished; wherein the ZIF-7 seed crystal liquid is prepared from zinc nitrate hexahydrate and benzimidazole, and the solvent is prepared from N, N-dimethylformamide and methanol; in the ZIF-7 seed crystal liquid, the concentration of zinc nitrate hexahydrate is 0.5 to 2.5 g / L, and the concentration of benzimidazole is 0.5 to 2.5 g / L.

The invention relates to a sealing structure, a sealing method, a gas compressor and a gas turbine engine. The sealing structure comprises a first part and a second part, wherein the first part is located at the root of the stator blade; the second part is positioned on the rotor corresponding to the stator blade; a sealing gap is formed between the first part and the second part in the radial direction; wherein the first part comprises a honeycomb body and a protruding body, the second part comprises a first tooth and a second tooth which are adjacent in the axial direction, and the second tooth is located on the downstream of the first tooth; the axial positions of the first teeth and the second teeth correspond to the axial position of the honeycomb body, the axial position of the protruding body corresponds to a first axial area between the first teeth and the second teeth, and the protruding body protrudes inwards in the radial direction relative to the radial position of the honeycomb body.

The invention belongs to the technical field of material surface treatment, and particularly relates to a calcium-based phosphate hole sealing treatment method based on a biomedical magnesium alloy micro-arc oxidation coating. Carrying out micro-arc oxidation treatment on the magnesium alloy to obtain a micro-arc oxidation coating; and then hole sealing treatment is conducted in a hole sealing solution composed of calcium-based phosphate, the magnesium alloy surface micro-arc oxidation-calcium-based phosphate hole sealing composite coating is obtained, and the hole sealing solution is a mixed aqueous solution of soluble calcium salt, NH4H2PO4, NaNO3, C10H14N2Na2O8. 2H2O and H3PO4. After magnesium alloy is subjected to micro-arc oxidation treatment, a micro-arc oxidation coating formed on the surface has the defects of cracks, pores and the like, and the corrosion resistance of the coating is not facilitated. In order to further eliminate the influence of the defects in the coating, a novel calcium-based phosphate hole sealing treatment technology is adopted, so that the corrosion resistance of the coating can be remarkably enhanced, and the biocompatibility of the coating can be improved by introducing a calcium element.

The invention provides an implementation method for switching a client among multiple working areas in a Wayland environment, which belongs to the technical field of Wayland synthesizer development and comprises the following steps of: step 1), initializing, namely initializing a Wayland synthesizer and initializing multiple working areas; the method comprises the steps of (1) establishing a working area, (2) establishing a client and adding the client into the working area, (3) moving the client to the working area, and (4) moving the client out of the working area. The method adopts a way based on a Wayland linked list, realizes a function of switching the client among multiple working areas at a Wayland synthesizer end, reduces data interaction between the client and the synthesizer, and saves time and resource cost.

The invention discloses a turbine device for improving the sealing performance of a rim and the aerodynamic performance of a turbine, which comprises a static-turntable cavity and a rotor hub end wall, and the rotor hub end wall is arranged above the static-turntable cavity; the static-rotating disc cavity comprises a static disc wall face, a jet flow groove is formed in the position, close to the wheel flange, of the static disc wall face, and the end wall of the rotor hub is a non-axisymmetric end wall. The vortex structure in the rim gap is broken through the jet flow groove, so that the rim sealing performance of the static-rotating disc cavity is improved, the vortex strength of an inlet of the downstream rotor is reduced, and a good air inlet condition is provided for the non-axisymmetric end wall of the downstream rotor to control secondary flow; the end wall of the rotor hub is arranged to be a non-axisymmetric end wall, so that the development of secondary flow of the hub in the flow direction is delayed, and the aerodynamic performance of the turbine is integrally enhanced. By means of the combined structure, the turbine aerodynamic performance can be improved while the sealing performance of the static-rotating disc cavity rim is improved.

The invention provides a preparation method of sealing aging resistant PBAT resin, biodegradable plastic and application, and the preparation method comprises the following steps: mixing adipic acid, butanediol and a first catalyst, and carrying out a first esterification reaction to obtain a first intermediate product; mixing terephthalic acid, m-phenylenediacetic acid, butanediol and a second catalyst, and carrying out a second esterification reaction to obtain a second intermediate product; performing a pre-polycondensation reaction on the first intermediate product, the second intermediate product and a pre-polycondensation catalyst in a polymerization reaction kettle to obtain a pre-polycondensation product; and carrying out final polycondensation on the pre-polycondensation product to obtain the sealing aging resistant PBAT resin. The edge sealing bag prepared from the sealing aging-resistant PBAT resin provided by the invention has more excellent sealing performance, and the sealing aging-resistant performance of the edge sealing bag is better.

The present application belongs to the field of coal mine, and relates to a coal mine underground orifice blowout prevention dust isolation device, which comprises, in sequence, a stamping dust isolation assembly, a gasket eccentric isolation assembly, a columnar brush array isolation assembly and a slag collecting main body, the slag collecting main body is connected with an orifice sealing pipe in a hole, and a drill rod is arranged through the stamping dust isolation assembly, the gasket eccentric isolation assembly, the columnar brush array isolation assembly and the slag collecting main body. The present application realizes the blocking of dust in the hole through the brush dust blocking of the columnar brush array isolation assembly, the eccentric dust isolation of the eccentric isolation assembly and the stamping dust isolation of the stamping dust isolation assembly, realizes the linkage control of the mechanism on the sealing assembly, and the greater the gas pressure sprayed out of the hole, the better the sealing effect of the sealing assembly, so that the safety hidden danger problem of gas spray hole in the drilling process can be effectively solved.

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.

The utility model discloses an alkaline battery sealing device relates to battery production processing technical field, including sealing device ontology, and the workstation is provided with the fixed lower mould, and the fixed lower mould is installed with the elastic cover, and the workstation is installed with the supporting block, and the output of guide telescopic link is installed with the fixed plate, and the fixed plate is installed with the push rod, and the push rod is rotatably installed with the connecting rod, and the other end of connecting rod is rotatably installed with the rotating rod, and the rotating rod is installed with the gear ring, and the gear ring is installed with the gear and engages, and the workstation is rotatably installed with the pivot, and the gear is fixed and is connected on the pivot, and the L type piece is installed with the torsion spring, and the other end of torsion spring is installed on the ratchet pawl, and the pivot top is installed with the knob, and the knob is installed with a plurality of circumferential array's rotation block, the utility model discloses, can be sealed alkaline battery clamped fixed and adapt to different size's alkaline battery, and the ratchet pawl will be clamped in the gear gap of ratchet wheel, can hinder the clockwise rotation of ratchet wheel, and the sealing of alkaline battery is relatively stable.

The invention belongs to the field of structural design of energy storage cabinets, and particularly relates to an energy storage cabinet. Comprising a cabinet body, a supporting heat dissipation frame, an air control assembly, an air inlet and outlet assembly and a power storage module. The supporting heat dissipation frame comprises an air inlet and outlet pipeline. The air control assembly comprises an air guide pipe, a control rod and a linear driving device; the air inlet and outlet assembly comprises an air inlet pipe and an air outlet pipe which are respectively connected with the air inlet pipeline and the air outlet pipeline; the power storage module comprises a plurality of storage battery packs arranged between the supporting plate frames. The energy storage cabinet is used as an installation and maintenance device of an energy storage module in various storage battery energy storage systems and standby electric energy storage systems, a more efficient and stable heat dissipation structure is provided, a scheme capable of rapidly switching fully-closed internal circulation heat dissipation and semi-closed internal and external circulation heat dissipation is provided, and the energy storage cabinet can be used for meeting different working modes of the energy storage cabinet. And the structural design of the heat dissipation system of the energy storage cabinet is simplified when the heat dissipation system is used in different heat dissipation requirements.

The invention discloses a water-based single-component coating as well as a preparation method and application thereof, and belongs to the technical field of coatings. The water-based single-component coating provided by the invention is prepared from the following raw materials in parts by mass: 30 to 70 parts of water-based emulsion, 1 to 10 parts of cross-linking agent, 0.5 to 5 parts of dispersing agent, 1 to 20 parts of functional additive, 10 to 50 parts of pigment and filler, 0.001 to 1 part of functional pigment and 2 to 20 parts of water, the water-based emulsion comprises at least one of a water-based acrylic emulsion, a water-based polyurethane modified acrylic emulsion or a water-based polyurethane emulsion; the cross-linking agent is selected from a zirconium cross-linking agent which does not contain ammonium or amine; the dispersing agent comprises an acrylic polymer dispersing agent, a modified acrylic polymer dispersing agent or a combination of the acrylic polymer dispersing agent and the modified acrylic polymer dispersing agent. According to the invention, the zirconium cross-linking agent which does not contain ammonium or amine is adopted, can react with tannic acid permeated from wood or woodware, and can also react with residual carboxyl in a water-based emulsion system to form good cross-linking property, so that the sealing property of a paint film is greatly improved, and the problem of yellowing of the paint film is solved.

The utility model discloses a windproof wooden door pocket which comprises a main door frame pocket plate, a fixed sealing inner side pressing pocket plate and an adjusting pocket plate, the fixed sealing inner side pressing pocket plate is installed on the inner side frame plate face of the main door frame pocket plate, and the width of the fixed sealing inner side pressing pocket plate is smaller than that of the main door frame pocket plate. The adjusting sleeve plate is fixedly installed on the side, away from the main door frame sleeve plate, of the fixed sealing inner side pressing sleeve plate, a rotating groove and a batten groove are formed in the two sides of the adjusting sleeve plate respectively, an adjusting inserting plate is inserted into the batten groove, one end of the adjusting inserting plate extends to the outer side of the batten groove and is fixedly provided with a pressing strip frame, and the other end of the adjusting inserting plate extends to the outer side of the batten groove. A through communicating hole is formed between the rotating groove and the batten groove, and a lead screw is inserted into the communicating hole. The door pocket has the beneficial effects that the door pocket is matched with the entrance door body, the sealing performance is better, the windproof effect is better, and wind flow entering through a gap between the frame and the door in winter is reduced.

The utility model relates to a welding protection device for gas shield welding of a metal pipeline, which belongs to the field of welding auxiliary devices and comprises a first sealing element and a second sealing element which are used for sealing two ends in the metal pipeline on two sides of a welding seam and are connected through a gas inlet pipe and a connecting piece. The air inlet pipe penetrates through the first sealing piece, one end of the connecting piece is rotationally connected with the air inlet pipe, and the other end is fixedly connected with the second sealing piece. According to the welding protection device for gas shield welding of the metal pipeline, through cooperation of the first sealing piece, the second sealing piece, the gas inlet pipe, the connecting piece and the like, the effect that gas protection conditions are provided for a weld joint area in a targeted mode is achieved, the whole device can move in a straight pipe and at the position of an elbow, and the welding protection device is convenient to use. And gas protection conditions can be conveniently and sequentially provided for welding seams in different positions.

A universal sealing device for an insulin injection bottle opening comprises a fastening mechanism arranged at the bottom and further comprises a hinge and a sealing assembly, and the top of one end of the fastening mechanism is provided with the sealing assembly through the hinge; the sealing assembly comprises a sealing disc, a rubber plug, a second groove, barb columns, a second elastic buckle, a clamping groove, a triangular block and a second inclined face, the sealing disc is connected with the sealing assembly through a hinge, the rubber plug is arranged in the middle of the bottom end of the sealing disc, the second groove is formed in the middle of the rubber plug, and the barb columns are installed in the second groove. A second elastic buckle is fixed to the edge of one end of the sealing disc, a clamping groove is formed in the inner side of the bottom of the second elastic buckle, and a triangular block with the horizontal bottom is fixed to the position, corresponding to the second elastic buckle, of the top end of one side of the second hoop ring. Sealing performance is good, and use is facilitated.

The utility model discloses glycerine enema filling equipment, and belongs to the technical field of glycerine enema production. The device mainly comprises a support, the upper side of the support is rotationally provided with a rotating disc, the edge of the rotating disc is evenly and rotationally provided with a plurality of rotating sleeves with the upper ends open, lifting blocks are slidably arranged in the rotating sleeves, the upper ends of the lifting blocks are provided with containing grooves, the two sides of the lifting blocks are provided with rotating plates, and the lower ends of the rotating plates are rotationally connected with the side walls of the lifting blocks. V-shaped plates are fixed to the opposite sides of the upper ends of the two lifting blocks, supporting plates corresponding to the rotating plates in position are fixed to the upper ends of the rotating sleeves, and the upper ends of the supporting plates make contact with the rotating plates. A lifting rod is slidably arranged at the bottom of the rotating sleeve, the upper end of the lifting rod is fixed to the bottom of a lifting block, a lifting block is fixed to the lower end of the lifting rod, and an elastic piece is arranged between the upper side of the lifting block and the rotating sleeve. The glycerine enema filling equipment achieves the effect of limiting the bottle opening of the glycerine enema bottle.

The present invention relates to the technical field of feed packaging, and specifically discloses a packaging device and method for fermented biological feed production, comprising a filling component arranged on a frame, the filling component comprising a feeding tube for loading, a supporting component and a control component arranged on the frame, the supporting component comprising a sliding sleeve, an air bag, a connecting rod and a driving component, the sliding sleeve is slidingly arranged on the feeding tube along a vertical direction, the output end of the driving component is connected to the sliding sleeve, the two ends of the connecting rod are respectively connected to the sliding sleeve and the air bag, a rotating component is arranged at the connection between the connecting rod and the sliding sleeve, the rotating component is used to drive the connecting rod to rotate and unfold, the unfolding of the connecting rod drives the air bag to unfold for supporting the packaging bag, and the control component and the connecting rod cooperate to drive the connecting rod to rotate and retract; the packaging device and method for fermented biological feed production of the present invention have the effect of facilitating the alignment of the opening of the packaging bag for sealing.

The utility model relates to a bellmouth plug for coating a cement lining of a nodular cast iron pipe, which belongs to the technical field of bellmouth plugs and comprises an outer ring, an inner ring and a cast pipe, the inner ring is movably mounted on the inner side of the outer ring, a retaining block penetrating to the outer surface of the outer ring is rotatably mounted on the side surface of the inner ring, a check block is fixedly mounted on the inner side of the outer ring, and the cast pipe is fixedly mounted on the check block. And four compression springs are fixedly mounted between the outer ring and the inner ring. According to the bellmouth plug for coating the cement lining of the nodular cast iron pipe, a mechanical locking mode of the compression spring and the retaining block is adopted, compared with an inflatable plug, the bellmouth plug does not need to be inflated and deflated through an air nozzle during disassembly and assembly, and the time for inflating and deflating through the air nozzle is saved, so that the disassembly and assembly speed of the plug is higher, and the bellmouth plug is more suitable for automatic disassembly and assembly of the plug; metal parts are used as a whole, so that compared with a traditional inflatable plug, the inflatable plug is longer in service life and more durable, and the problems that an existing inflatable plug is poor in plugging stability and inconvenient to disassemble and assemble quickly are solved.

The utility model relates to the field of shot blasting machines, in particular to a closed structure of a shot blasting chamber of a shot blasting machine, which can solve the problems that after a workpiece passes through a rubber strip, the rubber strip cannot be combed so as to assist the rubber strip in resetting, and the rubber strip cannot be fixed on one side in an auxiliary manner. Comprising a rubber strip arranged at an inlet of a shot blasting chamber, vertical first magnetic strips are fixedly arranged at the left center position and the right center position of the outer side face of the rubber strip respectively, a carding fixing structure matched with the rubber strip is fixedly arranged on the shot blasting chamber on the outer side of the rubber strip, and the carding fixing structure comprises a transverse second magnetic strip which is arranged on the outer side and is in attraction fit with the first magnetic strips; the outer side face of the second magnetic strip is fixed to a sliding plate moving up and down, the top of the sliding plate is fixed to the bottom face of a transverse rod, and the left end and the right end of the transverse rod are connected to driving mechanisms moving up and down respectively. The device is easy to install, convenient to use and suitable for the through-type shot blasting machine.