146results about How to "Adjustable size" patented technology

The present application relates to the technical field of gas hydrate, and particularly relates to a micro-nano capsule-based natural gas hydrate promoter and a preparation method and application thereof.The micro-nano capsule-based natural gas hydrate promoter of the present application comprises a micro-nano capsule and MOF crystals loaded on the surface of the micro-nano capsule.The micro-nano capsule-based natural gas hydrate promoter of the present application introduces porous material MOF crystals capable of adsorbing methane on the surface of the micro-nano capsule.The MOF crystals have high specific surface area and porous structure, good thermal stability and chemical stability, can provide more active sites for the formation of natural gas hydrate, can realize the preferential enrichment of methane molecules in the aqueous phase, enhance the consumption capacity of methane in the aqueous phase, further improve the capture and consumption of gaseous or liquid phase methane in the natural gas leakage process, and promote the generation of methane hydrate.

This utility model discloses a patellar strap, comprising a strip-shaped body of elastic material. The body includes a first connecting part, an active part, and a second connecting part connected in sequence, such that the first and second connecting parts are connected to form a ring-shaped structure that fits below the knee. The active part has an upper band and a lower band. In use, the upper band fits against the patellar tendon, and at least a portion of the upper band is positioned higher than the positions of the first and second connecting parts. This patellar strap employs a partially open structure in its body. By utilizing the cooperation of the upper and lower bands, it ensures good protection for the knee while cleverly lowering the connection point of the body below the popliteal fossa, reducing wearing pain and effectively alleviating the problem of low wearing comfort in existing patellar straps.

The utility model discloses a wind tunnel rack, and relates to the technical field of automobile part test and aerodynamic measurement. The device comprises an air pipe, a conical cover is fixedly arranged at one end of the air pipe, a pipe head is fixedly arranged at the other end of the air pipe, an air supply assembly is arranged at one end of the conical cover, and testing assemblies are arranged on the air pipe and the pipe head. The air supply assembly comprises an air blower; an air valve is assembled at an air suction opening of the air blower; according to the utility model, the whole device is composed of the fan module, the control module, the sensor module, the air duct system and the test cavity, and all the modules are connected through standard interfaces, so that rapid assembly, disassembly and maintenance are facilitated, and the device is suitable for multi-scene deployment; the rotating speed of the air blower is accurately adjusted through the frequency converter, and a full-range speed wind field from low speed to high speed can be simulated in combination with a pressure difference conversion algorithm, so that the test is closer to the actual driving working condition, and the reference value of data engineering is improved.

The application discloses a kind of sheet bismuth-based metal organic framework materials and preparation method thereof, comprising the following steps: bismuth salt and polybasic acid organic ligand are mixed, then mixed with grinding ball, ball milling treatment, obtain bismuth-based metal organic framework material.The application prepares bismuth-based metal organic framework material with sheet morphology structure by mechanical ball milling method, by using mechanical energy in ball mill to crush reactant, promote the rapid progress of bismuth metal ion and organic ligand reaction, the whole reaction process does not need solvent, or only needs trace amount of solvent, avoid the large use of organic solvent.The application can directly promote reaction at room temperature by mechanical force, and reaction time is short, yield is high, energy consumption is low, green and environmental protection.The bismuth-based metal organic framework material has unique sheet morphology structure, high specific surface area and high structural stability and the like characteristics, and size can be controlled, can be widely used in carbon dioxide adsorption reduction, adsorption of pollutants in water and the like fields.

The utility model discloses a stoning machine for flour processing, which comprises a specific gravity stoning machine, a feeding port is arranged at the upper end of the specific gravity stoning machine, and a feeding structure is arranged on the upper portion of the feeding port. And the feeding structure comprises a straight barrel section, a transition section, a material guide opening, a discharging opening size adjusting assembly, a supporting plate, a first motor, a first rotating shaft, a spiral blade and a material storage section, a support is fixedly installed between the outer wall of the straight barrel section and the outer surface of the upper end of the specific gravity stoner, and the discharging opening size adjusting assembly is installed at the lower end of the straight barrel section. According to the stoning machine for flour processing, the discharging opening size adjusting assembly is arranged, the size of a discharging opening in the straight barrel section can be conveniently adjusted according to needs, the applicability is improved, a first motor runs to drive a spiral blade to rotate, the spiral blade pushes materials in the material storage section to descend, and the discharging opening size adjusting assembly is used for adjusting the size of the discharging opening in the straight barrel section. And the feeding stability is improved, and the situation of material blockage is avoided.

The utility model relates to the technical field of clothing engineering, and discloses a windproof warm-keeping work suit which comprises a suit body and two suit pockets, the inner wall of the suit body is fixedly connected with reinforcing lining cloth, the top of the inner wall of the reinforcing lining cloth is provided with a sealing slide way, and the sealing slide way is provided with a sealing groove. The top of the inner wall of the business suit body is fixedly connected with a plurality of fixing buckles, the inner walls of the fixing buckles are slidably connected with the same elastic tightening belt, the inner wall of the sealing sliding way is slidably connected with a miniature sliding block, and the rear side of the miniature sliding block is fixedly connected with a fixing frame. The outer side of the fixing frame is connected with the outer side of the elastic tightening belt in a sliding mode. According to the utility model, the toothed sliding block is separated from the positioning teeth by pressing the toothed sliding block downwards, and the toothed sliding block is moved left and right under the guiding and limiting of the sealing slide way, so that the elastic tightening belt can be contracted, the size of the neckline is further adjusted, the whole structure is integrally formed, the operation is simple and convenient, and parts are not easy to lose.

The utility model discloses a photovoltaic cleaning robot includes: main body frame, first rolling brush and second rolling brush. Main body frame is configured as with mechanical arm connection, and first rolling brush and second rolling brush at least one movable install on main body frame, and along the length direction of first rolling brush removes, and second rolling brush and first rolling brush along the radial arrangement of second rolling brush. Second rolling brush moves relative to first rolling brush just can adapt to different size photovoltaic panel, that is, through the telescopic of rolling brush, the size adjustment can be completed, and second rolling brush and first rolling brush do not need to disassemble, therefore, can size quick -adjusting, be favorable to quick -match the size of photovoltaic panel to thereby be favorable to improve cleaning effect.

The utility model discloses a forging ring rolling machine for ring forging pulley machining, which comprises a rack, a driving rolling wheel and a driven rolling wheel are respectively arranged on one side of the rack, the forging ring rolling machine for ring forging pulley machining further comprises an adjusting device, and the adjusting device is arranged inside the driving rolling wheel. And the limiting device is arranged outside the driving rolling wheel. According to the forging ring rolling machine for ring forging pulley machining, through cooperation of the containing plate, the stud, the hand wheel, the annular plate, the curved bar, the first limiting plate, the second limiting plate and the connecting part, the size of a groove in the surface of the driving rolling wheel is adjusted, ring rolling machining is carried out on pulleys of different sizes, and the machining efficiency is improved. The problems that when an existing ring rolling machine works, due to the fact that the size of a groove in the surface of a driving rolling wheel is fixed, the size of the groove cannot be adjusted, only pulleys of the same size can be machined, and the working range of the existing ring rolling machine is reduced are solved.

The application provides a self-supporting Ni-Fe-Mn oxygen evolution electrocatalyst and a preparation method thereof, and belongs to the technical field of catalytic material preparation. The Ni, Fe and Mn metal raw materials are repeatedly smelted, and after smelting, suction casting is carried out to obtain a cast plate. The cast plate is subjected to homogenization treatment, and then is cut and polished. Finally, etching is carried out in a nitric acid solution to obtain the self-supporting Ni-Fe-Mn oxygen evolution electrocatalyst. The self-supporting electrocatalyst is prepared by the method of arc smelting, heat treatment and chemical etching, and has the advantages of simple preparation process, easy industrialization, adjustable size, excellent stability and excellent OER performance.

The utility model relates to the technical field of tea making machine accessories, and particularly discloses a tea making machine constant-temperature water outlet valve structure which comprises a tea making machine body, a valve body mechanism assembled on the tea making machine body, an adjusting mechanism assembled on the valve body mechanism and a locking mechanism assembled in the adjusting mechanism. The valve body mechanism comprises a shell fixedly installed in the tea making machine body, a water outlet chamber, a cold water chamber and a hot water chamber are formed in the shell, the cold water chamber is communicated with the water outlet chamber through a cold water outlet, and the hot water chamber is communicated with the water outlet chamber through a hot water outlet; the adjusting mechanism comprises a threaded rod rotationally installed between the cold water chamber and the hot water chamber. The size of the cold water outlet and the size of the hot water outlet can be conveniently adjusted, the mixing proportion of cold water and hot water can be accurately controlled, a thermosensitive element does not need to be used, and the constant temperature effect is effectively improved.

The utility model discloses a kind of deviation rectifying devices for packaging bag slitting, apply in packaging bag processing field, including bottom plate, the top of bottom plate is provided with moving mechanism, the top of moving mechanism is bolted with slide, the top of slide is bolted with support plate;The utility model passes through rotating rotating cylinder and makes rotating cylinder drive trapezoidal groove to move, trapezoidal groove moves and makes slide rod drive pressing plate to relax to deviation rectifying shaft compression, deviation rectifying plate is moved to the position required, tighten rotating cylinder and make pressing plate to deviation rectifying shaft compression, the mode that deviation rectifying plate is fixed, can reach the purpose of adjusting size, improve practicality and applicability, facilitate use, the utility model passes through moving and actuating block and makes clamping rod move, clamping rod moves and makes clamping rod and clamping groove disengage from clamping, take down fixed pin, take down infrared sensor and replace the mode, can reach the purpose that infrared sensor is replaced conveniently, reduce workload, improve the efficiency of replacement.

The utility model relates to the technical field of cable conveying, in particular to an electric wire conveying device which comprises a plurality of adjusting mechanisms, a plurality of installation bottom plates and a plurality of guiding mechanisms, each adjusting mechanism comprises a fixed rod, a swing rod and a rotating assembly, and the fixed rod and the swing rod are fixedly installed on the sides, close to each other, of every two adjacent installation bottom plates respectively. The rotating assembly is located at the ends, close to each other, of the fixed rod and the swing rod, by arranging the adjusting mechanism, adjustment of the angle between the two adjacent mounting bottom plates can be achieved, and therefore adjustment of the angle between the two adjacent guide mechanisms can be achieved, and the roller support can be used at the wall corner or the position shielded by gas objects; and meanwhile, a plurality of guide mechanisms can be rotated to be parallel, so that the cable can be conveniently and linearly conveyed, the requirement for use in multiple scenes is met, and the application range is wide.

The utility model relates to animal medical equipment technical field provides a kind of anti-grabbing animal blood collection frame, comprising: animal corral, blood collection frame door, support plane and multiple movable arm fixing frame;The animal corral is left with opening;The animal corral is respectively welded with door clamping channel steel in opening two sides, the first stainless steel plate is welded in the opening lower of the animal corral;The blood collection frame door is movably arranged in door clamping channel steel;The support plane is fixedly connected on the first stainless steel plate;Multiple movable arm fixing frame is movably arranged on the support plane.The utility model can effectively improve blood sampling safety, reduce the stress response of giant panda, can improve the convenience and efficiency of blood sampling operation, and adapt to different panda individuals, with the characteristics of stable structure, strong durability.

The utility model relates to the field of winnowing machines, in particular to a circulating winnowing stoning machine which comprises a base shell, a feeding port, an air inlet, a first discharging port and a second discharging port are formed in the base shell, a feeding hopper is arranged at the position of the feeding port of the base shell, an air blower is arranged at the position of the air inlet of the base shell, a conveying belt is arranged in the base shell, and a partition plate is arranged on the conveying belt. The partition plate divides the conveying belt into a first conveying path and a second conveying path, a first adjusting plate is adjustably arranged on the partition plate so as to adjust the size of an opening in the top of the first conveying path and the size of an opening in the top of the second conveying path, the first conveying path is connected with the first discharging port, and the second conveying path is connected with the second discharging port; the feeding port and the air inlet are located above the partition plate, the first conveying path is arranged close to the air inlet, the second conveying path is arranged far away from the air inlet, materials of the feeding port face the upper portion of the first conveying path, and the air blower blows the light part of the materials to the second conveying path through the air inlet. The winnowing effect of the winnowing machine can be improved.

This utility model relates to the field of punching machine technology, and in particular to a multi-position synchronous punching machine for aluminum single-panel processing. It includes a punching frame, a pulling component, a punching component, and a material holding component. Moving boxes are symmetrically fixed on both sides of the punching frame, and a punching seat is horizontally fixed between the moving boxes on both sides of the punching frame. Lower guide bars are horizontally fixed on both sides of the moving boxes on both sides of the punching frame, and an upper guide bar is horizontally fixed above the lower guide bars. A lead screw is horizontally rotatably connected to the middle of one moving box on one side of the punching frame, and a pulling motor is horizontally fixed on one side of the punching frame, with the output end of the pulling motor fixed to the end of the lead screw. The pulling component includes a support frame, and moving clip frames are fixed on both sides of the bottom surface of the support frame. This utility model eliminates the need for manual pushing of the aluminum single-panel, and the punching interval is adjustable, which helps ensure the accuracy of continuous punching processing of aluminum single-panels.

The utility model discloses a special tool of hoisting into a pile of steel sheet, including first L type frame, the right side swing installation of first L type frame has the second L type frame, the front end swing installation of second L type frame has the third L type frame, the left side swing installation of third L type frame has the fourth L type frame, the inside of first L type frame is set up with first limit expansion hole, the inside left side fixed mounting of first limit expansion hole has first connecting bearing, the inside of first connecting bearing is provided with first adjusting screw rod, the inside right side swing installation of first limit expansion hole has first limit expansion rod, the inside of second L type frame is set up with second limit expansion hole. The utility model discloses a first L type frame, second L type frame, third L type frame and fourth L type frame and steel wire rope and hook cooperation constitute hoisting tool, and then hoist the steel sheet of the pile board and its above, improve the hoisting efficiency of steel sheet.

The utility model discloses a current compensation circuit and a chip, which are used for compensating the output current of a current type digital-to-analog converter, the current compensation circuit comprises a negative resistance unit connected with the output end of the current type digital-to-analog converter, and the negative resistance unit comprises a detection unit and a compensation unit, the detection unit generates a detection current based on an output voltage of the current-mode digital-to-analog converter. The compensation unit generates, based on the detection current, a compensation current opposite to the detection current in flow direction and for the injection node. According to the current compensation circuit and the chip, the detection unit shunts the output current of the current type digital-to-analog converter, the compensation unit generates the compensation current based on the detection current generated by shunting, the magnitude of the compensation current is adjustable, and the direction of the compensation current is opposite to that of the detection current. The output current of the current type digital-to-analog converter is compensated through the compensation current, so that the precision of the output current of the current type digital-to-analog converter under different loading conditions is improved.

This invention relates to a retrieval device, comprising: a capture assembly including a locking wire, a first capture wire and a second capture wire in an annular shape, the locking wire being attached to the first capture wire and axially movable relative to the first capture wire; and a control assembly connected to the capture assembly and used to control the capture assembly to switch between an initial state and a locked state. In the initial state, the distal end of the first capture wire, together with the distal end of the locking wire, is radially separated from the second capture wire, forming a capture space with an opening between the first and second capture wires. In the locked state, the locking wire and the first capture wire extend from the inside of the second capture wire to the outside of the second capture wire, and at least the locking wire intersects with the distal end of the second capture wire, closing the opening of the capture space. The retrieval device according to this invention can efficiently and securely capture electrode wires, significantly reducing surgical time and improving the success rate of surgery.

Adjustable batch rectangular steel plate feeding assembly and feeding method relate to the technical field of automatic steel plate feeding. The adjustable batch rectangular steel plate feeding assembly comprises a steel plate storage device, a horizontal push plate device and a small plate supporting device. The upper end of the steel plate storage device is provided with a storage interval, the bottom of the storage interval is provided with a height-adjustable steel plate bearing surface, and the top of the storage interval is provided with a steel plate discharge surface. The horizontal push plate device is used for pushing the steel plate at the upper end of the steel plate discharge surface to the outside of the rear end of the steel plate storage device. The upper end of the small plate supporting device is provided with a height-adjustable steel plate transfer surface. When the steel plate transfer surface is at the high position, the steel plate transfer surface is flush with the steel plate discharge surface. When the steel plate transfer surface is at the low position, the steel plate transfer surface is located at the lower end of the storage interval. A continuous rectangular steel plate feeding method is based on the adjustable batch rectangular steel plate feeding assembly. The application is used for stacking and storing steel plates and automatically discharging the steel plates, and belongs to an important link in the automatic manufacturing of nuclear power embedded parts.

This utility model belongs to the field of cable tray technology, specifically relating to a stepped epoxy resin composite high-strength cable tray, including two symmetrical side beams. A crossbeam is bolted to the inner wall of each side beam, and grooves are formed on the surface of the crossbeam. This utility model achieves flexible adjustment of the cable tray size through the cooperation of a first threaded rod, adjusting sleeve, extension plate, sliding groove, recess, slider, fixing pin, and rectangular block. The beneficial effects of this design are significant. In actual installation scenarios, the site environment is complex and diverse, and the requirements for cable tray size vary. Through the above adjustment method, the cable tray size can be flexibly adjusted according to the actual site conditions, ensuring a perfect fit between the cable tray and the installation environment. This effectively avoids installation difficulties caused by mismatch between cable tray size and environment, greatly improving the convenience and adaptability of cable tray installation and ensuring the smooth progress of electrical wiring projects.

The utility model relates to a semiconductor laser pin welding device, which belongs to the technical field of semiconductor lasers and comprises a base, an angle adjusting support, a shell placing platform, a stroke adjusting shaft and a protective block which are sequentially arranged. Wherein the angle adjusting support can rotate and freely adjust the welding angle, the shell containing platform base facilitates extension of optical fibers and protects the optical fibers from being bent, and the stroke adjusting shaft can freely adjust the distance and can be conveniently matched with shells of different sizes. The device can assist in welding the laser pins, the welding angle is freely changed, the welding efficiency is improved, and an optical fiber is protected from being bent.

The application discloses a raw material cleaning device for sugar beet sugar production and relates to the technical field of sugar beet cleaning devices; the device comprises a cleaning box, a cleaning mechanism is arranged in the cleaning box, the cleaning mechanism comprises inclined rotating rollers, a plurality of the inclined rotating rollers are arranged in a linear distribution mode, and the surfaces of the inclined rotating rollers are provided with uniformly distributed protrusions; the material is put onto the upper side of the inclined rotating rollers, the dirt on the surface of the sugar beet is rubbed off by the protrusions based on the rotation of the inclined rotating rollers, the sugar beet can roll down from the inclined rotating rollers due to the inclined arrangement of the inclined rotating rollers, the rotating drum can receive the sugar beet by the arc-shaped push rods, the removed impurities can fall from the gap between adjacent arc-shaped push rods, the sugar beet rolls into the hollow cylinder along the arc-shaped push rods through the side opening and the opening when the arc-shaped push rod rotates to a certain height, and the material is output by the conveying belt, so that the purposes of automatic cleaning and material conveying are achieved.

This invention discloses an adjustable automotive expansion valve and method, belonging to the field of expansion valve technology. It includes a valve body, a rotary progressive valve opening assembly connected to the middle of the valve body, a self-locking valve body switch drive assembly connected to the upper end of the valve body, and a self-limiting manual adjustment assembly connected to the lower end of the valve body. The self-locking valve body switch drive assembly senses the temperature at the upper end of the valve body and drives the rotary progressive valve opening assembly to move. The rotary progressive valve opening assembly gradually controls the flow rate of the condensate at the lower end of the valve body, thereby achieving temperature regulation at the upper end of the valve body. When either the self-locking valve body switch drive assembly or the rotary progressive valve opening assembly malfunctions, the self-limiting manual adjustment assembly manually adjusts the condensate flow rate. The self-locking valve body switch drive assembly facilitates disassembly, replacement, and repair.

This utility model discloses an oiling mechanism for different tooling grooves, including a connecting pipe, an oiling block disposed on the connecting pipe, a base plate at the lower end of the oiling block, a circular rod passing through the oiling block on the base plate, a circular block on the circular rod, and a positioning mechanism on the connecting pipe for positioning the height of the circular block. During operation, the oiling block is inserted into the groove, and the connecting pipe is moved, causing the oiling block to move and rotate within the groove, applying oil to the inner wall of the groove. When oiling grooves of different depths, the circular block is manually lifted upwards, causing the base plate to rise under the action of the circular rod, compressing the oiling block and adjusting its size to accommodate grooves of different depths.

The utility model discloses a gap-adjustable machine tool guide rail, and relates to the technical field of machine tools and supporting facilities. The device comprises L-shaped plates, a main body assembly is arranged between every two adjacent L-shaped plates, and fixing assemblies are further arranged on the L-shaped plates. The main body assembly comprises a mounting frame arranged between the adjacent L-shaped plates in the transverse direction, fixed frames are fixedly connected to the outer walls of the two sides of the mounting frame, moving blocks are movably connected to the upper portions and the lower portions of the fixed frames, and a cover plate is clamped between the left moving block and the right moving block which are adjacent. The cover plate is driven to move through the first threaded rod and the sliding block, the cover plate drives the mounting block to move, the size of the sliding groove in the guide rail is adjusted, the problem of adjusting the size of an existing sliding groove is solved, meanwhile, the distance between the rotating block and the fixing plate is adjusted through the second sleeve and the third threaded rod, and the adjusting effect is good. The problem that in the prior art, the installation height and the inclination angle of a guide rail are inconvenient to adjust is solved.

The utility model relates to the related technical field of air conditioning units, in particular to a protective rack for a rail transit air conditioning unit, which comprises a base, a first mounting mechanism and an adjusting mechanism are arranged on the base, the first mounting mechanism comprises a first rotating rod, and a second rotating rod is arranged on the first rotating rod. The first rotating rod is rotationally connected to the inner wall of the base through a bearing, positive and negative threads are arranged on the first rotating rod, a mounting block is connected to the first rotating rod in a threaded mode, a mounting plate is fixedly mounted at the top end of the mounting block, and a first mounting through hole is formed in the mounting plate. By arranging the first mounting mechanism, the purpose of conveniently adjusting the distance between the first mounting through holes in the two sides is achieved, mounting of air conditioning units of different sizes is facilitated, by arranging the second mounting mechanism, the positions of the second mounting through holes are conveniently adjusted, mounting of the protective rack is facilitated, and by arranging the adjusting mechanism, the mounting efficiency is improved. The purpose of adjusting the size of the protective rack is achieved, and installation of air conditioning units of different sizes is facilitated.

The mushroom and substrate crop interplanting device comprises a mushroom cup and an embedded cup, each of the mushroom cup and the embedded cup is provided with an upper opening and is of a big-end-up cup-shaped structure, the mushroom cup is placed in the embedded cup, the outer wall of the mushroom cup is attached to the inner wall of the embedded cup, and the outer wall of the embedded cup is connected with the mushroom cup. A first opening area is arranged on the side wall of the mushroom cup, a second opening area is arranged on the side wall of the embedded cup, the first opening area corresponds to the second opening area in shape and position, and the area of the second opening area is smaller than or equal to that of a non-opening area on the side wall of the embedded cup. In the interplanting process, the roots of the substrate crops cannot be damaged, and the time for putting the mushrooms is saved.

The utility model provides a receiving tank with a liquid separation function, which comprises a receiving tank and also comprises an adjusting structure arranged in the receiving tank; and the shielding structure is arranged on the left side of the adjusting structure. By rotating a rotating plate, pushing a first shielding plate to move and driving a first sealing gasket to synchronously move by the first shielding plate, the size of a cavity in the right side of a fixing plate can be well adjusted according to needs, by rotating a crank, a second shielding plate is driven to move, and the second shielding plate drives a second sealing gasket to move, the height of a shielding structure can be well adjusted according to needs. The size of the cavity in the right side of the fixing plate and the height of the shielding structure can be properly adjusted according to needs, so that the liquid separation operation of the whole receiving tank is more flexible, and the application range is wider.

The utility model discloses a cooling device for plastic film production, which is provided with a cooling mechanism, after a film is guided to a position above a cooling pool through a guide roller, cold water is atomized by an atomizing nozzle and sprayed to the surface of the film for cooling, and an air supply assembly supplies air to the inside of an air storage box; an air outlet head in front of an air storage box enables an air knife to generate air to blow water mist on the surface of a thin film, after water drops left on the surface of the thin film are removed, the thin film enters the middle position of the shells on the two sides, and at the moment, after the shells on the two sides supply cold air to the interior through an external cold water supply system, the thin film is cooled. And meanwhile, the wind power of cold air can be adjusted according to requirements due to different films during use, the pull rod on one side can be pulled, the pull rod drives the pore plates on the two sides to slide in the shell, and the pore plates adjust the sizes of the air outlet holes.