649results about How to "Guaranteed fixed effect" patented technology

The invention discloses a slope stability test device and test method, and relates to the technical field of slope test.The slope stability test device comprises a test frame and further comprises a test adjusting device.A shielding frame is slidably installed on the inner wall of the test frame, a displacement sensor is fixedly installed on the front side of the shielding frame, and a slope model is arranged at the bottom of the inner wall of the test frame; a placing plate is fixedly installed on the inner wall of the test frame, the test adjusting device comprises hydraulic equipment, an L-shaped frame, an adjusting rod, a pressing plate, an adjusting gear, a U-shaped rod, a limiting frame and an elastic telescopic rod, and the pressing plate moves to make contact with the slope model and conducts a stability test on the slope model; meanwhile, the displacement sensor works to detect and record the displacement condition of the slope model in real time, external force mistaken touch is prevented through the elastic telescopic rod, it can be ensured that the angle of the pressing plate is kept stable in the test process, and therefore the real stability of the slope model is correctly reflected.

The invention belongs to the technical field of air blower heating wire installing and welding, and particularly relates to a high-speed negative ion air blower heating wire installing and welding device and a method thereof.The high-speed negative ion air blower heating wire installing and welding device comprises a workbench, a conveying belt is installed on the workbench, a fixing frame is installed on the conveying belt, an air cylinder is installed on the workbench, and a pressing plate is installed on the air cylinder; a welding manipulator is further mounted on the workbench; the fixing frame comprises a mounting seat and a lifting seat, the mounting seat is fixedly mounted on the conveying belt, the lifting seat is hinged to the mounting seat, a jacking sliding groove is formed in the lifting seat, a jacking block is mounted on the workbench, and the jacking block is matched with the jacking sliding groove. A placing groove is formed in the lifting seat, and the surface of the placing groove is smooth; the device is simple in structure, the heating wire is fully fixed and positioned, it is guaranteed that the position and angle of the heating wire are accurate during welding, therefore, welding of the heating wire is facilitated, and the welding speed and welding quality of the heating wire are improved.

The invention discloses a high-precision compound machine tool for special-shaped surface machining, and belongs to the technical field of compound machine tools, the high-precision compound machine tool comprises a machine tool body, a spindle box and a machining seat are fixedly connected to the interior of the machine tool body, and a mounting seat is fixedly connected to the side, away from the machine tool body, of the spindle box. According to the device, a driving motor drives a rotating shaft, a first gear, a fluted disc, a plurality of second gears, a connecting shaft and a lead screw to rotate, a threaded sleeve drives a vertical plate, a connecting base, a connecting plate, a hydraulic cylinder and clamping bases to move, a to-be-machined workpiece is synchronously mounted and fixed through the multiple clamping bases, and the rapid mounting effect of a machine tool in the using process is effectively improved; when the to-be-machined workpiece is a special-shaped workpiece, the hydraulic cylinder drives the clamping bases to move, the center positions, relative to the fixing disc, of the multiple clamping bases are adjusted, and then the multiple clamping bases make contact with the surface of the to-be-machined workpiece of the special-shaped workpiece for installation in cooperation with the action of the driving motor. And therefore, the flexibility and the practicability of the machine tool in the using process are effectively improved.

The invention relates to the technical field of expansion joints, in particular to an anti-corrosion and anti-dust corrugated pipe expansion joint which comprises a corrugated pipe, end pipes, flanges and a pull rod, the two ends of the corrugated pipe are connected with the end pipes, the end pipes are provided with connecting blocks with cambered surfaces, channels connected with the end pipes are formed in the connecting blocks, through openings communicated with the channels are formed in the flanges, and the pull rod is arranged in the through openings. A connecting cavity is formed in the flange, the connecting block is movably connected into the connecting cavity, a rubber ring is arranged on the side, located on the corrugated pipe, of the connecting cavity, the cambered surface is located on one side of the rubber ring, and an adjusting assembly with a push rod is arranged on the flange. The corrugated pipe is changed into a linear shape under the action of self stress through thermal expansion and cold contraction, and the sealing performance of the corrugated pipe expansion joint is ensured when a pipeline starts to convey materials, so that the shearing stress generated by bending of the corrugated pipe due to pipeline deformation is reduced, and the service life of the anticorrosive and dustproof corrugated pipe expansion joint is prolonged.

The utility model relates to a machine tool machining center sliding guide rail unloading device which comprises a guide rail body and an object placing plate, a sliding unloading mechanism is arranged in the object placing plate, a positioning dismounting assembly is arranged in the object placing plate, the sliding unloading mechanism comprises an object placing plate connected to the outer side of the guide rail body in a sliding mode, and the object placing plate is connected with the guide rail body in a sliding mode. And two buffer cavities are formed in the storage plate, and upper push plates are movably connected into the buffer cavities of the storage plate. According to the unloading device for the sliding guide rail of the machine tool machining center, pressure can be applied to the upper push plate through the arranged buffering assembly, so that the rollers in the mounting frame abut against the guide rail body, load buffering and unloading are achieved, and the influence of friction on sliding of the storage plate on the outer side of the guide rail body can be reduced through the arrangement of the rollers and the balls; and therefore, the service life of the storage plate and the guide rail body is prolonged while smooth sliding of the storage plate is guaranteed, use is convenient, and the practical effect of the device is effectively improved.

The utility model relates to the technical field of cultural relics display racks, and discloses an adjustable full-width picture stone cultural relics display rack which comprises a fixing rack, two sliding racks are arranged on the fixing rack in a sliding mode and fixedly connected through a connecting rod, pressing plates are fixed to the top ends of the two sliding racks, and the pressing plates are fixed to the top ends of the two sliding racks. Two opposite openings are formed in the fixing frame, a sliding block is fixed to the side face of one sliding frame and slidably connected into one opening, a limiting plate is fixed to the end, away from the sliding frame, of the sliding block, a telescopic assembly is arranged on the other sliding frame, and a positioning assembly is arranged on the fixing frame. By adjusting the positions of the two sliding frames, the display rack can adapt to picture stone cultural relics with different sizes, so that the picture stones with different sizes can be fixed, and the display flexibility is improved.

The utility model provides a leading-in device of an assembly type steel column foundation, which relates to the technical field of buildings and comprises a steel column mechanism, and a foundation mechanism is arranged below the steel column mechanism. In the utility model, when the steel column mechanism and the foundation mechanism are assembled and butted, along with the slow descending of the positioning plate, the guide head with the thinner bottom end can be easily inserted into the guide groove at the top of the concrete foundation, and the gradually thickened part can be gradually contacted with the inner wall of the guide groove, so that certain guide and self-adjustment effects are provided for the guide column; even if slight deviation exists during initial insertion, the thicker part is limited and guided by the groove wall of the guide groove along with the increase of the insertion depth of the guide head, so that the deviation is automatically corrected, and the square guide column can be smoothly inserted into the guide groove in the top of the concrete foundation; at the moment, the mounting holes in the surface of the positioning plate are just penetrated by corresponding steel bars, excessive adjustment is not needed, operation is convenient, and the assembling efficiency is effectively improved.

The invention discloses a novel bearing inner and outer ring pressing die, which relates to the technical field of bearing press fitting, and comprises a bearing body, an outer ring pressing die body for carrying out outer ring press fitting on the bearing body, and an inner ring pressing die body for carrying out inner ring press fitting on the bearing body, the anti-inclination assembly is arranged on the outer ring pressing die body and used for preventing inclination of the bearing body in the press-fitting process, the adjusting assembly is arranged on the inner ring pressing die body and used for adjusting the press-fitting state of the bearing body, and the anti-inclination assembly comprises a fixing ring fixedly connected to the inner wall of the outer ring pressing die body; the two through holes are slidably connected with anti-roll rods, and the ends, close to the bearing body, of the two anti-roll rods are rotationally connected with anti-roll balls. According to the novel bearing inner and outer ring pressing die, the outer ring pressing die body is used for providing straightening, limiting and guiding functions, the inner ring pressing die body is used for providing the limiting and guiding functions, and meanwhile, the bearing body can be effectively straightened under the matching action of the anti-inclination assembly.

The invention discloses a new energy ship pipeline fixing support and a fixing method thereof, and relates to the technical field of pipeline fixing.The new energy ship pipeline fixing support comprises a U-shaped transverse plate, a plurality of translation plates are arranged in an opening of the U-shaped transverse plate, an arc-shaped supporting plate is arranged above the translation plates, and a pair of arc-shaped clamping grooves are formed in the two sides of the bottom face of the arc-shaped supporting plate; a pair of arc-shaped sliding plates are clamped in the pair of arc-shaped clamping grooves in a sliding mode, an arc-shaped clamping plate is fixedly arranged at the top end of each arc-shaped sliding plate, and the arc-shaped supporting plate and the pair of arc-shaped clamping plates form an annular clamping cavity; and a pipeline is placed above the U-shaped transverse plate and is inserted into the annular clamping cavities in a penetrating manner. By means of the annular clamping cavity, the pipeline can be evenly stressed in all radial directions in the circumferential direction, and three-dimensional stress balance is achieved; the distance between the translation plates is adjusted according to the length of the pipeline, the clamping force can be evenly distributed in the length direction of the pipeline, and the translation plates and the clamping force jointly ensure that the pipeline can be stably clamped in all directions.

The invention discloses a gas forklift, which comprise a forklift body and also comprises a gas tank, wherein the gas tank is arranged on a rear seat of the forklift body through a fixed support; the fixed support comprises a support frame and clamp rings; the clamp rings are formed by hinging two arc-shaped clamp arms; the end parts of one arc-shaped clamp arm is provided with a clamp splice; the clamp splice is provided with a through hole; the end part of the other arc-shaped clamp arms is hinged with an insertion; and each insertion is provided with an insertion rod which passes through the through hole and is locked by a nut. By adopting the structure, the gas forklift disclosed by the invention has the following advantages that 1, as the gas tank is installed on the rear seat of the forklift, the service time of the gas of the forklift can be prolonged, frequent gas filling is avoided, and the working efficiency is increased; 2, meanwhile, the gas tank is convenient in replacement, so that operation troubles brought by opening the rear seat of the forklift when gas filling is performed are avoided; and 3, the two arc-shaped clamp arms can be conveniently connected or loosened, therefore, not only is the gas tank fixed but also the gas tank can be conveniently replaced.

The invention relates to the technical field of detection devices, in particular to a pan body strength detection device which comprises a mounting box, a fixing support is fixedly connected to the upper end of the mounting box, a detection mechanism is mounted at the position, close to the middle, of the inner side of the fixing support, and the detection mechanism comprises a T-shaped mounting block. Two sets of symmetrical spraying mechanisms are fixedly connected to the front end and the rear end of the T-shaped mounting block, a pressurizing mechanism is mounted on the inner side of the fixing support and comprises a placement plate, a pan body is mounted at the upper end of the placement plate, an operation host is mounted at the front end of the mounting box, and an air cylinder and an arc-shaped support are matched with each other, so that the upper end of the upper end of the operation host is fixedly connected with the upper end of the T-shaped mounting block. The upper end of the pan body is pressed by the clamping blocks, then the strength of the periphery of the heated pan body is detected through rotation, remaining impurities are removed, the coating on the inner side of the pan body is comprehensively detected through the laser planometer, and whether the coating cracks or not during pressure testing of the pan body is detected.

The utility model relates to a double-sided printed anti-counterfeit label, which aims at solving the technical problems that the current double-sided printed anti-counterfeit label is inflexible in turn-over operation and causes time waste, and comprises an anti-counterfeit label plate, a limiting support piece is rotatably mounted on the outer side of the anti-counterfeit label plate, and a positioning piece is fixedly arranged at the bottom of the limiting support piece. According to the anti-counterfeit label plate, the limiting round block on the limiting supporting piece is combined with the limiting round hole in the anti-counterfeit label plate, so that the anti-counterfeit label plate can be overturned conveniently, the reverse side of the anti-counterfeit label plate can be directly extruded and overturned when the reverse side of the anti-counterfeit label plate is applied, and the operation steps of pulling out, overturning and inserting are omitted; the anti-counterfeit label plate is simple in structure and convenient to use, operation time is effectively saved, the anti-counterfeit label plate can be limited by the aid of the positioning part, position fixation can be guaranteed without external force, and the anti-counterfeit label plate has the advantages of simplicity in turn-over operation, reduction of turn-over operation steps and saving of operation time.

The utility model discloses a cap screwing machine and a cap screwing mechanism thereof. The cap screwing machine comprises a cup body positioning mechanism, a lifting mechanism and the cap screwing mechanism which are in circuit connection with an industrial personal computer. The cap screwing mechanism comprises a rotating motor, a rotating shaft, a cap screwing clamping jaw, a torque sensor, a spring and a sliding seat; the rotating shaft is composed of an upper shaft and a lower shaft which are connected through a coupler, and the lower shaft is sleeved with the spring and the sliding base. A fixed seat is arranged on the lower shaft, the fixed seat is positioned above the sliding seat, and the spring is limited between the fixed seat and the sliding seat; the cap screwing clamping jaw is arranged below the sliding seat; the lifting mechanism comprises a lifting motor, a lifting lead screw controlled by the lifting motor to rotate, a lifting sliding rail and a lifting sliding base arranged on the lifting lead screw in a sleeving mode, the lifting lead screw rotates to control the lifting sliding base to move up and down, and the cap screwing mechanism is fixed to the lifting sliding base. The cap screwing mechanism moves downwards along with the lifting sliding base to compress the spring, the cap screwing clamping jaw clamps a cup cap on the cup body positioning mechanism, and the rotating motor drives the cap screwing clamping jaw to rotate to achieve cap screwing.

The utility model relates to the field of voltage detection wiring, in particular to a wiring device for voltage detection, which comprises a wiring pen and a shell, a detection head is arranged at the end part of the wiring pen, the detection head is conical, a through inner groove is formed in the shell, the wiring pen is arranged in the inner groove in a penetrating manner, and at least two clamping parts are arranged at the end part of the shell. Limiting parts are arranged on the inner wall of the clamping part, the limiting parts are separated to form a center groove, and when the detection head penetrates out of the center groove, the clamping part deforms towards the outer side. According to the utility model, through the extrusion type wiring structure, an expansion type connection structure is realized, and the clamping part at the end part can deform outwards to generate expansion, so that the whole shell is ensured to be fixed at a corresponding socket position, an operator does not need to touch a wiring pen, the structure is simple, and the wiring pen can be conveniently and rapidly connected without being held by hand. And the stability of the structure can still be ensured, and the operation safety is higher for non-professional personnel.

The utility model provides a bell-shaped roll frying device which comprises a machine frame, and a frying mechanism, a feeding mechanism used for supplying tofu skin, a prod mechanism used for clamping the tofu skin to enter and exit from the frying mechanism and a forming mechanism used for deoiling and shaping bell-shaped rolls are arranged on the machine frame. According to the automatic deep-frying machine, automatic deep-frying of the beancurd skin can be achieved, automatic production is achieved, manual production is omitted, production efficiency is effectively improved, deep-frying quality is guaranteed, specifically, the beancurd skin is placed on the feeding disc manually or mechanically, and due to the fact that the two feeding mechanisms are symmetrically arranged, only one worker or one device is needed to be arranged between the two feeding mechanisms during feeding.

The utility model discloses a positioning and clamping device for steel structural part machining, which belongs to the technical field of steel structural part machining and comprises a workbench, a mounting frame and a fixing frame. A guide groove is formed in the top of the workbench, a transmission assembly for controlling the mounting frame to move is arranged in the guide groove, and a mounting clamping block of the transmission assembly is detachably connected with the bottom of the mounting frame. A positioning clamping strip is arranged on the top of the workbench, and the bottom of the fixing frame is movably clamped to the top of the positioning clamping strip through a positioning clamping groove. According to the steel structure workpiece positioning and clamping device, the stability of positioning and clamping a steel structure workpiece can be improved, the probability of falling off is reduced, when the structure is damaged, the damaged structure can be conveniently replaced, the maintenance efficiency is improved, meanwhile, the clamping position can be adjusted according to the shape of the workpiece, the workpiece can be positioned, and the working efficiency is improved. And the workpiece clamping stability is further improved.

The marking device comprises a base, a groove is formed in the top of the base, vertical plates are symmetrically installed on the top of the base, air bags are fixedly installed on the sides, close to each other, of the two vertical plates, and air pumps are fixedly installed below the other sides of the two vertical plates. The top of the base is provided with a movable frame, arc-shaped plates are symmetrically hinged to one side of the movable frame, the other side of the top of the base is provided with a fixing assembly, the fixing assembly comprises a stand column fixedly installed on the other side of the top of the base, and the stand column is sleeved with a movable sleeve; positioning rods are symmetrically and slidably connected to the two sides of the interior of the movable sleeve. According to the livestock head fixing device, the livestock heads of different heights can be fixed, the fixing effect can be guaranteed, the livestock heads can be conveniently fixed without a motor, the use cost is saved, and the practicability is improved.

The utility model belongs to the technical field of macromolecule smashing and recycling, and particularly relates to a macromolecule burr waste smashing and recycling device which comprises a box body and further comprises a first baffle and a second baffle, the first baffle and the second baffle are both rotationally installed in the box body and located above a crushing roller in the box body, a power cavity is formed in the box body, a worm is rotationally installed in the power cavity, and the worm is driven by the first baffle and the second baffle to rotate. Worm gears are symmetrically and rotationally installed in the power cavity and located at the bottom of the worm, the worm gears are meshed with the worm, and one ends of the two worm gears penetrate through one side of the power cavity and are coaxially connected with the first baffle and the second baffle correspondingly. When the whole device is used, it is ensured that macromolecule burr waste materials can be smashed more thoroughly, large macromolecule burr waste materials are avoided, a worker only needs to pull a plug pin with a hand to complete disassembling or assembling when assembling and disassembling the collecting box, and therefore the labor intensity of the worker is reduced, and the labor intensity of the worker is reduced. And no special tool is needed, so that the operation is convenient.

The invention relates to an ammonia nitrogen adsorption type MABR membrane material as well as a preparation method and application thereof. The ammonia nitrogen adsorption type MABR membrane material comprises a porous supporting layer and a membrane layer which is located on the surface of the porous supporting layer and has an ammonia nitrogen adsorption function, the membrane layer contains functional groups, and the functional groups are one or more of hydroxyl, amino or epoxy groups. The membrane layer containing specific functional groups is introduced to the surface of the porous supporting layer, on one hand, the functional groups in the membrane layer can interact with ammonia nitrogen through Van der Waals force, electrostatic interaction, hydrogen bonds and the like, physical adsorption of the ammonia nitrogen is achieved, the ammonia nitrogen is promoted to approach the surface of the MABR membrane, and therefore the ammonia nitrogen is effectively adsorbed near the surface of the membrane; convenient conditions are provided for subsequent treatment; on the other hand, the biocompatibility of the membrane surface can be improved, attachment and growth of microorganisms are promoted, the oxidation process of the membrane surface biological membrane on ammonia nitrogen is further enhanced, and the treatment effect of the ammonia nitrogen is effectively improved through the synergistic effect.

The utility model relates to the technical field of punching devices, and discloses a mainboard punching device for mobile phone mainboard production. A placing plate is fixedly mounted at the top of a transverse plate A, and a fan is fixedly mounted at the bottom of the transverse plate A. Through the arrangement of the placing plate, the fan and other structures, a mainboard is adsorbed to the surface of the placing plate, and the mainboard is punched through the punching device. The mobile phone mainboard is placed at the top of the placing plate and completely covers the negative pressure groove and the stamping groove, the draught fan is started, the draught fan extracts air in the special-shaped groove and the negative pressure groove, a negative pressure state is generated in the negative pressure groove, the mainboard is firmly adsorbed to the top of the negative pressure groove, and the extracted air is exhausted through the air outlet, so that the situation that the mainboard is damaged when the mainboard is punched is avoided. Due to the fact that the middle of the main board is stressed, the middle of the main board is sunken, the flatness of the main board is changed, the attractiveness of the main board is improved, and the effect of preliminarily fixing the main board is achieved.

The utility model discloses tearable towel cloth with patterns and hot melting tearing lines and forming equipment. The tearable towel cloth comprises a cloth feeding mechanism, a cloth collecting mechanism, a heat transfer printing mechanism and a hot melting mechanism. The heat transfer printing mechanism comprises a transfer printing workbench, a second driving part, a hot pressing plate, a transfer printing feeding assembly and a transfer printing receiving assembly. The transfer printing workbench comprises a working plane used for laying local continuous towel cloth, and a first section of the continuous towel cloth is located on the working plane. The second section of the continuous towel cloth passes through the hot melting mechanism; within the continuous towel cloth conveying pause time, after the hot pressing plate is driven by the second driving component to press downwards, patterns on the heat transfer printing paper below the hot pressing plate are transferred to the upper surface of the first position of the first section, and meanwhile a hot melting mechanism prepares a hot melting tearing line at the second position of the second section of the continuous towel cloth; the patterns are arranged at corners formed by the inner edge of the hot melting tearing line and the side edge of the width side of the continuous towel cloth, the patterns are arranged on one side of the wool layer, and the looped piles or the fluff below the patterns are kept standing.

The invention relates to the technical field of optical fiber connection, in particular to an optical fiber quick connector which is used in cooperation with an on-site optical fiber, the on-site optical fiber comprises a protective sleeve, a coating layer and a fiber core from outside to inside, and the on-site optical fiber comprises a protective cover, a front installation shell, a dustproof sleeve, an insertion core, an embedded optical fiber, a rear installation shell, a first pressing block, a second pressing block, a clamping spring, a push button and an installation rail. The device further comprises a clamping assembly, a fixing assembly and a clamping assembly. According to the optical fiber quick connector, the clamping spring is clamped through the clamping assembly, and meanwhile, the friction force between the extrusion block and the sliding groove is increased through the counter-acting force of the clamping spring, so that the extrusion block is prevented from deviating from the original position when the connector vibrates and the like, and then the stability of the clamping effect on the clamping spring is guaranteed; and meanwhile, the counter-acting force of the clamp spring on the clamping assembly limits the displacement of the fixing assembly through the push button, so that the limiting and fixing effects of the fixing assembly on the clamping assembly are ensured, and the butting and clamping and fixing effects on the on-site optical fibers are further ensured.

The present invention discloses a geographic information surveying and mapping device and a surveying and mapping method thereof, and relates to the field of geographic information surveying and mapping technology. The geographic information surveying and mapping device and the surveying and mapping method thereof include a geographic surveying and mapping mechanism, and the geographic surveying and mapping mechanism includes a flatbed car, the top of the flatbed car is fixedly connected with the geographic information surveying and mapping device, the bottom of the flatbed car is fixedly connected with rollers, the outer wall of the flatbed car is fixedly connected with a placement and stabilization mechanism, and the outer wall of the roller is fixedly connected with an impurity cleaning mechanism. The geographic information surveying and mapping device and the surveying and mapping method thereof, by rotating the second bolt, the bottoms of the folding rods are interlaced with each other, and then the insertion thorns are inserted into the ground, which further ensures the fixation of the geographic information surveying and mapping device, and the interlacing of the folding rods is aimed at harder soil, and the folding rods can be stuck on the soil to provide a stable support for the flatbed car, and the movement of the folding rods will drive the movement of the extrusion plate.

The invention relates to stretching equipment for industrial yarn production, which comprises a fixed base, the top of the fixed base is fixedly provided with a test frame, the right side of the top of the fixed base is fixedly provided with a first mounting frame, the right end of the front surface of the first mounting frame is rotatably connected with a swing seat, and the front surface of the swing seat is rotatably connected with an unwinding rotating shaft; a testing winding drum is fixedly mounted on the outer side of the unwinding rotating shaft, and an unwinding mechanism is fixedly mounted on the front face of the first mounting frame and located on the left side of the testing winding drum. The device has the advantages that the fixing effect on industrial yarn can be guaranteed, tows are smoother in the stretching process, the testing precision and accuracy are improved, friction can be reduced, stress concentration is avoided, the fracture risk in the testing process is reduced, the device is protected, the testing reliability is improved, and the testing efficiency is improved. And the industrial yarn can be stably released for multi-section testing, so that the testing precision and accuracy are further improved.

The atomized gas recovery device comprises a shell and a filter membrane in the shell, the shell comprises a rear shell and a front shell, and the atomized gas recovery device is characterized in that the front shell comprises a front shell cover and a suction component, a front shell positioning opening is formed in the front shell cover, a gas outlet and a rear shell mounting positioning opening are formed in the rear shell, the filter membrane is an annular piece, and the suction component is arranged in the annular piece. And the suction component penetrates through the front shell positioning opening, the filtering membrane and the rear shell mounting positioning opening. An expiration port and an expiration one-way valve are arranged in the middle of a tube body of the inhalation component, a mist inlet located in the shell and at one end of the tube body of the inhalation component is used for being connected with a mist outlet of an atomization device, and the portion, between the expiration port and the mist inlet, of the inhalation component is sleeved with the filter membrane, so that expired gas pushes away the expiration one-way valve after coming out of the expiration port, and the atomization device is used for atomization. And after being filtered by the filter membrane, the air overflows from the air outlet on the rear shell. A mist outlet of the atomization device is connected with a mist inlet of the suction component. And the structure design is reasonable, simple and compact, the aerosol transmission efficiency is high, recovery of exhaled gas is facilitated, and operation and use are convenient.

The utility model provides a garden tree fixing device for landscaping construction. The garden tree fixing device comprises a lantern ring, a plurality of supporting components and an air bag. The lantern ring comprises two semi-ring bodies hinged to each other, and the swing ends of the two semi-ring bodies are connected through a butt joint structure so that the lantern ring can be arranged on the periphery of the landscape tree in a sleeving mode and can be in clearance fit with the landscape tree. The supporting components are arranged on the lantern ring, and each semi-ring body is provided with a plurality of supporting components. The air bag is arranged on the inner side of the lantern ring and connected with the semi-ring body through an anti-falling structure so as to be suitable for being kept in an annular state capable of being arranged on the periphery of the landscape tree in a sleeving mode, meanwhile, the gap between the lantern ring and the landscape tree can be filled, and therefore the fixing effect on the landscape tree is guaranteed. Compared with the prior art, the garden landscape tree fixing device for landscaping construction can effectively fix the garden landscape tree in the landscaping construction process, and the contact surfaces are the air bags and the tree, so that adverse effects on the trunk part of the garden landscape tree are avoided.

The utility model discloses a machining cutting fixing structure which comprises a band-sawing machine, and an installation fixing structure is arranged on one side of the band-sawing machine. The mounting and fixing structure comprises a mounting platform, an auxiliary roller, a mounting box body, a motor, a lead screw, a moving block, two mounting strips, two mounting grooves, a fixing platform, a connecting and supporting assembly and two adjusting and folding assemblies. The mounting and fixing structure can be adjusted according to workpieces of different specifications, the two sides of each workpiece are folded and fixed through the obliquely-mounted folding plates, a multi-adjustment mode is adopted, adjustment and fixing can be conducted according to the workpieces of different specifications, the mounting mode of a motor and an operation handle is adopted, multi-drive of a lead screw can be achieved, and the machining efficiency is improved. And the fixing effect of the workpiece is guaranteed, and the device is suitable for workpiece cutting and fixing operation on different occasions.

The invention relates to the technical field of screening devices, in particular to an earthworm screening device for mine soil remediation, which comprises an operating table, a first screening mechanism is mounted at the position, close to the middle, of the upper end of the operating table, second screening mechanisms are mounted on two sides of the operating table, and a collecting mechanism is mounted at the front end of the operating table. The first screening mechanism comprises a fixing plate fixedly connected with the operation table, a motor is installed on one side of the fixing plate, an output shaft of the motor is fixedly connected with a first rotating shaft, the first rotating shaft penetrates through the operation table, and through mutual cooperation of a third rotating shaft and a connecting rod, a filtering frame shakes through a first spring; and through mutual cooperation of a second synchronous belt and a conveying rod, the earthworms falling from the upper portion are received during circulating rotation, the screening amount of the earthworms is increased, the production efficiency is improved, through the design of the double-layer conveying rod, the earthworms can be prevented from falling again, and therefore the earthworms are recycled more comprehensively.

The present invention discloses a curtain wall clamping quick positioning assembly device and assembly method, and relates to the technical field of curtain wall clamping. The curtain wall clamping quick positioning assembly device and assembly method include a curtain wall clamping mechanism, and the curtain wall clamping mechanism includes a fixing device, and the outer wall of the fixing device is fixedly connected with four connecting rods, and the ends of the four connecting rods are fixedly connected with fixing plates, and the outer wall of the fixing plate is fixedly connected with limit blocks, and the number of the fixing plates and limit blocks is four. The curtain wall clamping quick positioning assembly device and assembly method, through a spring arranged between the bolt and the fixing device, under the elastic lifting of the spring, the bolt and the fixing device threads are further fitted, and the friction between the threads is increased after fitting, thereby ensuring the fixation between the fixing device and the bolt, reducing the activity of the bolt, and the magnetic repulsion between the first magnetic block and the second magnetic block.