24results about How to "Increase space volume" patented technology

The invention discloses a pneumatic control valve with toughness, relates to the technical field of valves, and aims to solve the problem that a valve rod of an existing pneumatic control valve does not have a self-repairing function. According to the pneumatic control valve, at least part of a rod section, located in a flow channel of a valve body, of a valve rod is arranged to be a tough rod section, and the tough rod section is mainly composed of a rod section body, a first rod barrel and a second rod barrel, wherein the rod section body is sleeved with the first rod barrel and the second rod barrel which are coaxially connected through a first flexible structure; when the pneumatic control valve works normally, the rod section main body of the tough rod section is mainly used for power transmission, and when the rod section main body of the tough rod section is broken after the valve rod is seriously impacted, the first rod barrel and the second rod barrel which are connected through the first flexible structure can replace the rod section main body for power transmission, so that the function of the tough rod section is automatically recovered; self-repairing of the valve rod is achieved, and it is ensured that the pneumatic control valve can rapidly recover to work normally.

The invention discloses a colloidal emulsion explosive with high storage stability and a preparation method thereof. The raw materials for preparing the emulsion explosive comprise ammonium nitrate, calcium nitrate, water, a compound emulsifier, compound wax and a special foaming agent. Wherein the composite emulsifier is a modified span-80 composite emulsifier obtained by carrying out esterification reaction on an anionic carboxylate emulsifier and multiple hydroxyl sites of span-80, and the composite emulsifier has high molecular weight, so that the space volume of a lipophilic group is increased, and an interfacial film is tighter; the special foaming agent is composed of sodium nitrite, zinc nitrate, gelatin peptone, Tween 80, phosphoric acid, urea and water, the gelatin peptone is a green pure natural raw material, the surface tension of an emulsion matrix is effectively reduced, the contact area of the foaming agent and the emulsion matrix is increased, the foaming efficiency is catalyzed by zinc nitrate, and bubbles are good in stability and not prone to escaping due to Tween 80. The use of the compound emulsifier and the special foaming agent improves the blasting performance and storage stability of the emulsion explosive.

An anti-swing device of a battery replacing lifting appliance comprises a horizontally-arranged supporting beam, two symmetrically-arranged movable pulley assemblies are arranged at the top end of the supporting beam, the two movable pulley assemblies are assembled at the two ends of the supporting beam, a horizontally-arranged upper lifting frame is arranged below the supporting beam, and four symmetrically-arranged connecting rods are arranged between the upper lifting frame and the supporting beam. The top ends of the four connecting rods are hinged to the bottom end of the supporting beam, the bottom ends of the connecting rods are hinged to the four corners of the top end of the upper hanging bracket respectively, the lower hanging bracket which is horizontally arranged is arranged below the upper hanging bracket, four connecting columns which are distributed in a space rectangle mode and adjustable in length are arranged between the lower hanging bracket and the upper hanging bracket, and a plurality of hanging hooks are fixed to the bottom end of the lower hanging bracket. The device is simple in structure and convenient to use.

The invention relates to the technical field of coking, in particular to a closed coke field material stacking and taking system and method. The stacking belt conveyor is arranged on the composite foundation support platform in the X direction, and the rack type discharging car is arranged on an X-direction support rail of the stacking belt conveyor. The bridge type crown block coke distributor is arranged between the composite foundation support platform and the single-row foundation support in the Y direction, the bridge type crown block coke distributor comprises a material distribution device and a crown block, the material distribution device is arranged on a Y-direction track on the crown block, and the crown block is arranged on an X-direction walking track fixedly connected to the composite foundation support platform and the single-row foundation support; the semi-gate type scraper reclaimer is arranged on an X-direction track fixedly connected to the ground of the coke field and the composite foundation support platform in the Y direction, and the reclaiming belt conveyor is arranged on the ground of the coke field in the X direction and located below a discharge port of the semi-gate type scraper reclaimer. And surface stacking material taking can be achieved in the coke field, the volume of the effectively utilized space is large, the coke storage amount in unit area is high, and the coke storage cost per ton is low.

The invention discloses a bottom supporting device of a digital television, and relates to the technical field of digital television supporting equipment, the bottom supporting device comprises the digital television, and the bottom of the digital television is provided with a supporting piece; the supporting piece comprises a control table, the control table is located in the center of the lower portion of the digital television, adjusting strips are symmetrically connected to the two sides of the control table through adjusting pieces, the bottom of the digital television is aligned to the supporting piece, the adjusting strips are pulled, and angle blocks fixedly connected to the two ends of the two adjusting strips abut against the two sides of the digital television in a limited mode. The adjusting strip and the angle block move back under the resilience force of the spring to fix and limit the digital television, the digital televisions of different sizes can be effectively supported and fixed by adopting the mode, and after the digital televisions are limited and fixed by adopting the mode, the digital televisions can be conveniently fixed. The threaded connection block just faces a threaded installation hole, corresponding to the threaded connection block, in the digital television, installation of the digital television is facilitated, adaptability is wide, and the digital television is more practical.

The present invention relates to a resonance type organic compound and its application, belonging to the field of semiconductor technology. The present invention provides a compound having a structure as shown in the general formula (1): the compound of the present invention has a narrow half-peak width and a high fluorescence quantum yield. When used as a doping material in a light-emitting layer material of an OLED light-emitting device, the current efficiency of the device is significantly improved, and the luminous color purity and device life are also greatly improved.

The utility model discloses a high-capacity cat litter pad, which relates to the technical field of cat litter pads and comprises an upper-layer pad and a bottom-layer pad, the shape of the upper-layer pad is matched with that of the bottom-layer pad, three side edges of the upper-layer pad are welded with three side edges of the bottom-layer pad in a high-frequency manner, the upper-layer pad is a grid pad, and the bottom-layer pad is a grid pad. A plurality of grids and grid holes are arranged on the grid pad, a plurality of suckers are uniformly arranged on the bottom-layer pad, and the length of the upper-layer pad is larger than that of the bottom-layer pad. According to the utility model, the sucking discs are upwards welded on the non-porous plane foaming PVC backing material, and then the netted PVC foaming fabric is connected with the three sides of the plane backing material through a high-frequency welding process. Due to the unique design, the suckers can play a role in stably supporting the fabric, and the space volume between the backing material and the fabric is effectively increased.

The present invention relates to a pouch film laminate for preparing a pouch type battery case accommodating an electrode assembly, wherein the pouch film laminate of the present invention includes a sealant layer formed of a first polymer as an innermost layer, a surface protection layer formed of a second polymer as an outermost layer, an aluminum alloy thin film having a grain size of 10 um to 13 um, and a gas barrier layer laminated between the surface protection layer and the sealant layer, wherein the gas barrier layer has a thickness of 50 um to 70 um, and the sealant layer has a thickness of 70 um to 100 um.

The invention discloses a polyimide film with low CTE and high glass transition temperature and a preparation method thereof. The preparation method of the polyimide film comprises the following steps: S1, preparing a polyamide acid solution; s2, adding a catalyst and a dehydrating agent into the polyamide acid solution in the step S1, uniformly mixing, coating on a substrate, and drying and imidizing to obtain a polyimide film with low CTE and high glass transition temperature; the polyamide acid solution is prepared by reacting tetracarboxylic dianhydride and diamine in an organic solvent. The glass transition temperature (Tg) can reach 330 DEG C or above, the coefficient of thermal expansion (CTE) is 40 ppm / DEG C or below, the yellowness index is not larger than 3, the transmittance at 550 nm is not smaller than 88%, the haze is not larger than 1.0%, and the optical film can serve as an optical film in the fields of display substrates, liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs) and the like and has high application value.

The invention belongs to the technical field of injection molds, and provides an injection mold closing pressure forming device and method.The injection mold closing pressure forming device comprises a front mold bottom plate, a front mold hot runner plate, a front mold fixing plate, a rear mold fixing plate, a rear mold core fixing plate and a rear mold bottom plate which are sequentially arranged from top to bottom; the oil cylinder fixing seat is arranged in the middle of the outer wall of the injection mold closing pressure forming device; an injection molding cavity is formed between the front mold fixing plate and the rear mold fixing plate; a rear mold core is arranged in the middle of the rear mold core fixing plate, the rear mold core penetrates through the rear mold fixing plate and extends to the injection molding cavity, and springs are connected between the two ends of the rear mold fixing plate and the rear mold core fixing plate. According to the injection molding mold closing pressure forming device and method, injection molding and pressure maintaining forming are replaced with injection molding compression, the uniformity of the overall density of an injection molding product can be improved, the pressure borne by each position of the injection molding product is more uniform, and then buckling deformation of the injection molding product during high-temperature baking is avoided.

The utility model discloses a trailer motor home and a vehicle. The trailer comprises a carriage. The carriage comprises a body, a first carriage body and a second carriage body, and the first carriage body and the second carriage body are slidably connected with the two sides of the body in the first direction correspondingly. The carriage has a folded state and an unfolded state. In the storage state, the first compartment body and the second compartment body are contained in the body. In the unfolded state, the first compartment body and the second compartment body protrude relative to the body. According to the trailer motor home, the first carriage body and the second carriage body move relative to the body, so that the carriage is switched between the storage state and the unfolding state, the space size of the carriage is increased when the carriage is in the unfolding state, more living requirements of a user are met, and the user experience is improved.

The utility model discloses a kind of suction grain pipe offset suction grain machine, suction grain device and suction grain pipe are arranged on walking device, suction grain pipe is connected on rotating seat, can rotate around the center of rotating seat, suction grain pipe and rotating seat are offset in the angle position inclined outer side of suction grain device, suction grain pipe can rotate in the space range of adjacent two side surfaces of suction grain device around rotating seat center.The suction grain pipe and rotating seat of the utility model are offset in the angle position inclined outer side of suction grain device, increase the working surface range of suction grain, suction grain is more convenient and fast, less time-consuming, improve the efficiency of suction grain, reduce the requirement to space volume, more convenient to walk flexibly, also more convenient to store in warehouse, reduce storage cost.

The invention discloses an electrolytic capacitor with a heat dissipation assembly, and relates to the technical field of electrolytic capacitors, the electrolytic capacitor comprises a circuit board, an electrolytic capacitor main body and a top plate, the bottom of the top plate is symmetrically and fixedly connected with side plates, the bottom ends of the side plates are fixedly connected with the same pressing ring, and the electrolytic capacitor further comprises a heat dissipation mechanism arranged at the bottom of the top plate and used for heat dissipation of the electrolytic capacitor main body. Positioning mechanisms are symmetrically arranged on the outer sides of the side plates; the heat dissipation mechanism comprises a sleeve body and a spiral pipe, the top end of the spiral pipe is in through connection with a water inlet pipe, and the bottom end of the spiral pipe is in through connection with a water drainage pipe; and the positioning mechanism comprises a transverse plate I and a transverse plate II, and the interior of the transverse plate I is rotationally connected with a screw rod, so that the problems that heat dissipation is performed only through cooling fins, the cooling fins are heated due to heat absorption and dissipation in the heat conduction process, the temperature around the electrolytic capacitor is still high, normal work of the electrolytic capacitor is affected, and the service life of the electrolytic capacitor is prolonged are solved. And the cooling effect on the electrolytic capacitor is reduced.

The invention discloses a thin coal seam directional long drill hole pressure relief and efficient gas extraction method, which is characterized in that a horizontal well is constructed in a rock stratum near a top plate and a bottom plate of a thin coal seam respectively, so that a certain pressure relief effect can be achieved on the coal seam, and the gas desorption efficiency of the coal seam is improved; meanwhile, the phenomena of hole collapse and the like of the horizontal well in the subsequent extraction process after fracturing is completed can be reduced, and the effectiveness of a gas drainage channel is improved; a plurality of perforations which are distributed in a crossed manner are arranged in two horizontal wells, so that bidirectional crossed fracturing can be carried out on the thin coal seam during subsequent fracturing, cracks can be promoted to penetrate through the whole thin coal seam to a great extent, coal seam gas desorption is better promoted, and the gas extraction effect is improved; alkali liquor is selected as fracturing fluid, the thin coal seam can be fractured during high-pressure fracturing, the alkali liquor flows into the thin coal seam through cracks to generate chemical corrosion action with mineral components in the thin coal seam during soaking, the roughness and the space volume of the fractured cracks are further improved, and finally the anti-reflection effect on the thin coal seam is improved.

The utility model discloses a musical instrument table type station control fire-fighting host, and belongs to the technical field of energy storage power station fire fighting. Comprising a cabinet body, a panel is arranged on the front side of the cabinet body, a fire alarm control device, a printer and an industrial personal computer are arranged on the panel, a connector bar is arranged on the rear side of the fire alarm control device, a table top is arranged in the middle of the cabinet body, a keyboard is arranged on the lower side of the table top, and a UPS, an air switch and a grounding bar are arranged at the bottom of the cabinet body. Existing part products are combined together, the use space in a fire-fighting control room of the energy storage power station is optimized, the appearance is attractive, the position can be conveniently moved due to floor type installation, the state in each battery cabin is monitored and recorded in real time when the piano table type station control fire-fighting host works, and the working efficiency is improved. When a problem occurs, the musical instrument table type station control fire-fighting host can give feedback information to workers, and the position of the problem is positioned in real time.

The invention relates to the technical field of coking, in particular to a coke distribution system and method. Comprising a belt conveyor, a rack type discharging car and a bridge type crown block coke distributor, the belt conveyor is arranged on the composite foundation support platform in the X direction, and the rack type discharging car is arranged on an X-direction support rail of the belt conveyor. The bridge type crown block coke distributor is connected with the rack type discharging car through a flexible connection sealing device; the bridge type crown block coke distributing machine comprises a distributing device and a crown block, the distributing device is arranged on a Y-direction track on the crown block, the crown block is arranged in the Y direction, the two ends of the crown block are installed on X-direction walking tracks respectively, and the X-direction walking tracks are fixedly connected to the inner sides of the composite foundation support platform and the single-row foundation supports respectively. Surface material distribution can be realized in the coke field, the volume of the effectively utilized space is large, the coke storage amount in unit area is high, and the coke storage cost per ton is low.

The invention relates to the technical field of Bluetooth sound boxes, in particular to a Bluetooth sound box with an NFC quick pairing function, which comprises a sound box main body, a suction cup is arranged at the bottom of the sound box main body, a compensation device is arranged on the sound box main body, the compensation device is communicated with the interior of the suction cup, and the compensation device is used for extracting air in the suction cup; a control device is arranged on the sound box main body, the control device controls the start and stop of the compensation device according to the storage amount of air in the suction cup, the compensation device comprises a mounting seat fixedly mounted at the bottom of the sound box main body, and the suction cup is fixedly mounted at the bottom end of the mounting seat; a mounting cavity is formed in the mounting seat, a communicating hole is formed in the outer side wall surface of the mounting seat, and the communicating hole is communicated with the mounting cavity. The placement stability of the Bluetooth sound box on the placement plane is improved, and the problem that an existing Bluetooth sound box is low in anti-skid performance and reliability is solved.

The present application belongs to the technical field of pulsed strong magnetic field, and specifically discloses a single-turn coil type destructive pulse magnet using eddy current uniform field. It includes a turn of magnet coil installed on the outside and a single-turn passive closed coil installed on the inside. The single-turn passive closed coil on the inside of the magnet coil generates eddy currents that resist the electromagnetic transient effect of the magnet coil due to electromagnetic induction, and shields the adverse effects on the uniformity of the magnetic field caused by this, effectively improving the uniformity of the magnetic field. Since the single-turn passive closed coil is made of a material with low electrical conductivity, the eddy current is significantly smaller than the discharge current in the magnet coil, and will not significantly weaken the magnetic field. Instead, it can compensate for the steep magnetic field gradient and control the magnetic field gradient within a relatively gentle range. At the same time, since the single-turn passive closed coil has a high modulus, its radial inward deformation during discharge can be suppressed to preserve the test sample inside it.

The invention discloses an outside-square and inside-round air-flushing split type concrete pore-forming core mold and a manufacturing method thereof, a first core mold comprises a lower half core mold A and an upper half core mold A, a semicircular structure A is arranged on the lower half core mold A and the upper half core mold A, a transverse convex rib A is arranged on the semicircular structure A, and the lower half core mold A and the upper half core mold A are clamped together to form an outside-square and inside-round hollow sealing structure A; the second core mold comprises a lower half core mold B and an upper half core mold B, a plurality of semicircular structures B are arranged on the lower half core mold B and the upper half core mold B in parallel respectively, transverse convex ribs B are arranged on the semicircular structures B, and the lower half core mold B and the upper half core mold B are clamped together to form a plurality of groups of hollow sealing structures B with square exteriors and round interiors. The structure is novel and ingenious, the transportation cost and raw material consumption are greatly reduced, the compressive strength is improved, and the stability of the concrete structure is improved. The method is applied to green and environment-friendly buildings, fabricated houses, large-bay houses, underground garages, bridges and the like.

The present invention discloses a single-phase coreless energy-saving motor with a magnetic rotor NS pole, comprising a bearing frame, an upper baffle and a lower baffle, a permanent magnet rotor, and a stator. The upper baffle and the lower baffle are provided with a coil skeleton, the upper baffle comprises a baffle core, four finger-shaped upper baffle ends, the baffle core is circular, and the cross-sectional size of the permanent magnet rotor is less than or equal to the cross-sectional size of the baffle core. The baffle core is designed to be circular, so as to ensure that the space formed by the baffle core of the upper baffle and the baffle core of the lower baffle is large, so as to meet the installation of permanent magnet rotors of large specifications. The single-phase coreless energy-saving motor with a magnetic rotor NS pole mainly has the function of energy saving and is easy to manufacture. It is composed of three coils or multiple coils, and is composed of non-magnetic stainless steel plates and stainless steel screw rods. The rotor is a permanent magnet and a stainless steel shaft, and the coil can be plugged in, which is convenient and flexible.

The invention discloses a composite hydrogel for co-encapsulating myricetin and epicatechin and a preparation method thereof, belonging to the technical field of hydrogel microspheres. A phyllophyte protein solution and a myricetin solution are self-assembled to form a phyllophyte protein-myricetin hydrogel; then the epicatechin solution is added into the prepared composite hydrogel to form a phyllophyte protein-myricetin-epicatechin composite hydrogel; finally, the prepared composite hydrogel is added into an oxidized indica rice starch solution to obtain a composite hydrogel for co-encapsulating myricetin and epicatechin; the formed composite hydrogel has a small particle size, high stability, good core material encapsulation effect, and meets the requirements for the common application of myricetin and epicatechin; the hyaluronic acid in the dispersant keeps a proper distance between particles through electrostatic repulsion, and the polylactic acid segment improves the steric hindrance effect, prevents micelle aggregation and precipitation, and prolongs the shelf life.

The application discloses a conjugated crosslinking monomer, a solid-phase-free drilling fluid thickening agent, and a preparation method and application thereof. The conjugated crosslinking monomer has a stereoscopic alkyl structure and a conjugated diene structure, and is shown in the following formula. The conjugated crosslinking monomer is prepared by synthesizing an alkenyl compound with an adamantane compound in the presence of a catalyst. The conjugated crosslinking monomer is reacted with an alkenyl amide and an alkenyl sulfonic acid to obtain the solid-phase-free drilling fluid thickening agent. The thickening agent has good temperature resistance and salt resistance, and can improve the suspension and rock carrying performance of a clay-free drilling fluid system in a medium-deep well.

The invention discloses an efficient gas extraction method for stacked thin coal seams, which comprises the following steps of: firstly, simultaneously fracturing a plurality of thin coal seams by using a high-pressure hydraulic fracturing technology to realize a crack expansion process of a coal-rock mass; the method comprises the following steps of: soaking a well, injecting alkali liquor mixed with a magnetic proppant into the cracks, distributing the magnetic proppant in each crack, performing chemical corrosion action on the high-pressure alkali liquor and mineral components in a coal rock layer after soaking, further improving the roughness and the space volume of the fractured cracks, and ensuring that the magnetic proppant plays a role in supporting and preventing the cracks from being closed; 2, a positioning effect of detecting the development range and width of the crack is achieved; obtaining magnetic flux data of different positions of each thin coal seam again, comparing the two magnetic flux change conditions of the same position, evaluating the effect of alkali liquor expansion crack width, determining the distribution range of the magnetic proppant according to the next magnetic flux data of different positions of each thin coal seam, and further obtaining the crack expansion and development range. And finally, efficient gas extraction is realized.

The invention discloses a conjugated cross-linking monomer, a tackifier for solid-free drilling fluid and a preparation method and application of the tackifier, and the conjugated cross-linking monomer has a three-dimensional alkyl structure and a conjugated diene structure and is shown in the following formula. In the presence of a catalyst, an alkenyl compound and an adamantane compound are subjected to a synthetic reaction, and the conjugated crosslinking monomer is prepared. And reacting the conjugated crosslinking monomer with alkenyl amide and alkenyl sulfonic acid to obtain the tackifier for the solid-free drilling fluid. The tackifier is used in a solid-free drilling fluid, is good in temperature resistance and salt tolerance, and can improve the suspension and rock-carrying properties of a clay-free drilling fluid system of a medium-deep well. # imgabs0 #