240results about How to "Guaranteed level" patented technology

The invention relates to the technical field of unmanned ships, and discloses an unmanned ship with a gravity center self-adaptive adjusting device, which comprises a supporting floating body, a gravity center self-adaptive adjusting device, a gravity center self-adaptive adjusting device and a gravity center self-adaptive adjusting device, the driving mechanism is used for providing necessary power for the catamaran; the cross beam mechanism is used for connecting and supporting the floating body and a main body of the ship. According to the unmanned ship with the gravity center self-adaptive adjusting device, the gravity center shifting mechanism is arranged, when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is gentle, the bottom platform can descend through the telescopic cylinder, the bottom platform drives the vertical connecting plate and the middle floating body to move downwards, and therefore the area, making contact with water, of the middle floating body is increased; therefore, the wet surface area of the ship can be enlarged, frictional resistance can be fully reduced during high-speed operation, and when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is severe, the battery can be driven to regulate and control the gravity center, the speed can be properly reduced, and operation safety is kept.

The invention discloses automatic drilling equipment for elevator guide rails, and relates to the technical field of elevator guide rails, the automatic drilling equipment comprises a main supporting table and a limiting mechanism, the main supporting table is provided with a supporting mechanism, a stabilizing mechanism and the limiting mechanism, the stabilizing mechanism is provided with a hole distance adjusting mechanism, and the hole distance adjusting mechanism is provided with double-end drilling mechanisms in a front-back symmetry mode; the limiting mechanism comprises a guide piece, a ball, a fixing assembly for clamping and fixing drilling operation and a second locking assembly. The main supporting table and the supporting mechanism are used for supporting cooperation, the double-head drilling mechanism and the limiting mechanism are used for machining cooperation, and only one end is drilled each time, so that the overall occupied space of the equipment is conveniently reduced, and the manufacturing cost of the equipment is reduced; through cooperation of the stabilizing mechanism, the hole distance adjusting mechanism and the double-head drilling mechanisms, the drilling positions of the two double-head drilling mechanisms are synchronously and rapidly adjusted at equal intervals according to the width of a guide rail to be drilled before drilling.

The invention belongs to the technical field of preparation of postbiotics, and discloses a preparation method and application of lactic acid bacteria fermented Chinese chestnut protein postbiotics for improving systemic chronic inflammations, Chinese chestnuts are subjected to shelling, grinding and degreasing treatment, and degreased Chinese chestnut powder is obtained; resuspending the degreased Chinese chestnut powder in distilled water, adjusting the pH value, and stirring; performing solid-liquid separation and magnetic stirring; carrying out solid-liquid separation, resuspending and adjusting the pH value; dialyzing to obtain Chinese chestnut protein powder; mixing with glucose powder, and redissolving in distilled water; and mixing with lactic acid bacteria and carrying out aerobic fermentation to obtain the Chinese chestnut protein metaplasm product. The bioactive peptides contained in the Chinese chestnut protein metaplasm prepared by the method have potential anti-inflammatory activity, can effectively inhibit proinflammatory medium secretion of macrophages and intestinal epithelial cells, and improve glucose and lipid metabolism disorder and intestinal barrier function damage related to chronic inflammation of a body. The bioactive peptide contained in the postbiotic product disclosed by the invention has an anti-inflammatory effect.

The invention relates to the technical field of machining equipment, and discloses a steel plate cutting device for machining, which comprises a first box body, a first discharging groove, a second discharging groove and a first sliding groove are formed in the first box body, a deslagging cutting mechanism is rotatably connected to the interior of the first box body, and a rolling shaft is rotatably connected to the interior of the first box body. The outer surface of the rolling shaft is rotationally connected with a conveying belt, the outer surface of the deslagging cutting mechanism is fixedly connected with a pneumatic deslagging mechanism, the outer surface of the first box body is fixedly connected with a guiding cleaning mechanism, force is evenly applied to the two sides to fix a steel plate so as to prevent displacement, impurities such as molten slag can be scraped when the steel plate is clamped, and it is guaranteed that the transmission face is horizontal; and the cutting position is adjusted according to the material, the thickness and the cutting state of the steel plate, so that the position with the maximum cutting efficiency can be achieved, the cutting precision and speed are improved, material waste is reduced, and the overall production benefit is improved.

The invention discloses steel for a low-cost efficient gas shielded welding wire and a production method of the steel. The steel comprises the following chemical components in percentage by mass: 0.03-0.10% of C, 0.80-1.60% of Mn, less than or equal to 0.020% of S, less than or equal to 0.020% of P, 0.50-1.00% of Si, less than or equal to 0.010% of V, Ti, Nb and Alt, less than or equal to 0.030% of Cr, Ni and Cu, less than or equal to 0.0010% of Ca, less than or equal to 0.0045% of N and the balance of Fe and inevitable impurities. The production method comprises the steps of converter smelting, LF external refining, square billet continuous casting, straight roller way conveying, hot rolling spinning and air cooling packaging. The crystallizer adopts electric stirring and final stirring, the central shrinkage cavity and central segregation of a continuous casting billet are eliminated, a wire product with the specification of phi 5.0-7.0 mm is produced by adopting a heating-free direct rolling technology, and the steel for the gas shield welding wire is efficiently produced at low cost.

The utility model discloses a horizontal rotor and stator module matching structure, which comprises a rotor module mechanism and a stator module mechanism, the rotor module mechanism comprises a power magnet group, the upper end face of the power magnet group is fixedly provided with a rotor base lower plate, the upper end face of the rotor base lower plate is fixedly provided with a rotor base side plate, and the rotor base side plate is fixedly provided with a rotor base. An induced magnet group is mounted on one side of the rotor base side plate, a rotor base upper plate is fixedly mounted on the upper end surfaces of the rotor base side plate and the induced magnet group, two eccentric rollers are mounted on the inner side of one end of the rotor base upper plate, and two concentric rollers are mounted on the inner side of the other end of the rotor base upper plate; the stator module mechanism comprises a stator base lower plate. According to the utility model, the rotor module and the stator module are horizontally matched, so that the stability of an air gap between a magnet and a motor in a magnetic force driving process can be effectively kept, the deflection phenomenon is further avoided, and vibration and noise can be effectively reduced during operation.

The invention relates to the technical field of automobile parts, in particular to an automobile air-inlet grille highlight sagging-free spraying process which comprises the steps of cleaning, degreasing, drying, dust removal, varnish spraying, drying and detection, UV finish paint spraying, UV curing and product detection. The pre-treatment comprises cleaning, degreasing, drying and dust removal, adhesion of follow-up spraying paint is facilitated, the spraying quality is improved, natural leveling is carried out after a varnish layer is sprayed, the uniformity of a paint surface is improved, a high-gloss wear-resistant paint surface is formed through UV finish paint, and the leveling effect and glossiness of the surface of the paint surface are guaranteed through a release protective film.

The invention belongs to the technical field of plastic film forming equipment, and particularly relates to anti-wrinkle plastic film forming equipment. Comprising a first supporting frame, a film blowing machine die head is fixedly installed in the first supporting frame, and the film blowing machine die head is used for extruding a tubular film; a second supporting frame is fixedly mounted at the top of the first supporting frame, a pair of rolling frames is arranged in the second supporting frame, and the rolling frames are used for supporting and stretching a tubular film; a turnover mechanism is fixedly mounted in the second supporting frame, is connected with the rolling frame and is used for controlling the rolling frame to rotate and turn over; the angles of the two rolling frames are kept consistent all the time, the problems of bubbles, wrinkles, bending and the like caused by inconsistent pressure borne by a tubular film are avoided, meanwhile, the problem that the rolling frames are replaced due to long-time shutdown is avoided, and the production efficiency is improved; the opening between the rolling frames can be rapidly adjusted, and the wrinkle problem in the film forming process is further reduced.

The utility model discloses a bogie frame, bogie and rail transit vehicle, the bogie frame comprises two side beams and a cross beam arranged between the two side beams, the cross beam and the two side beams form an H-shaped structure, each side beam comprises a side beam upper cover plate, a first end cover plate and a second end cover plate are respectively welded at two ends of the side beam upper cover plate, and the first end cover plate and the second end cover plate are connected with the cross beam. The side beam further comprises an integrated side beam lower cover plate, the side beam lower cover plate and the side beam upper cover plate are connected through a side beam inner vertical plate and a side beam outer vertical plate, a cap cylinder is welded to the first end cover plate, the side wall of the cap cylinder is welded to the side beam inner vertical plate and the side beam outer vertical plate, and the side wall of the cap cylinder is welded to the side beam inner vertical plate and the side beam outer vertical plate. The side beam lower cover plate is provided with a through hole, and the end of the through hole covers the periphery of the bottom end of the cap cylinder. According to the bogie frame, the structural strength is improved, the local stress is reduced, the stress concentration is reduced, the welding manufacturability is improved, and the running safety of a vehicle is improved.

The invention discloses ultrasonic continuous welding equipment for variable-thickness workpieces and a welding method of the ultrasonic continuous welding equipment. The ultrasonic continuous welding equipment comprises a workbench for clamping the workpieces, a pre-pressing mechanism, a welding head assembly and a consolidation mechanism, wherein the pre-pressing mechanism, the welding head assembly and the consolidation mechanism are sequentially arranged above the workbench in the Y direction and synchronously move in the X direction, the Y direction and the Z direction along with a back plate. The consolidation mechanism comprises a consolidation seat and a moving block which are arranged up and down, the consolidation seat and the moving block are combined with an upper rod and a lower rod to form a parallelogram structure inclining towards the welding head assembly, and the lower rod is assembled in a long hole of the consolidation seat in a sliding mode through a moving pin; the movable block is provided with a swing block through a first rotating piece, and the bottom surface of the swing block is provided with a consolidation block. The length direction of the long hole and the axial direction of the first rotating piece are both arranged in the Y-axis direction. The pre-pressing mechanism comprises a pre-pressing base, a swing arm is rotationally installed on the pre-pressing base and inclines towards the welding head assembly, and a pre-pressing roller is installed at the bottom end of the swing arm. Therefore, the distance problem is solved, the device is particularly suitable for welding of workpieces with variable thicknesses, the welding quality is greatly guaranteed, and the welding flexibility is guaranteed.

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 utility model relates to the technical field of building engineering monitoring, and discloses a foundation pit engineering monitor for a high-rise building, which comprises a column body, and detection cavities arranged at equal intervals are formed in the column body. According to the foundation pit engineering monitor for the high-rise building, real-time monitoring of different positions and depths of a foundation pit can be realized through the action between the detection cavity and the detection rod, so that the stability and safety of the foundation pit can be known more comprehensively; and under the cooperative action of the pressure sensor, the mounting plate, the displacement sensor, the tension spring and the abutting plate, monitoring data are enriched, workers are helped to better master specific conditions in the foundation pit, and therefore multi-point and multi-dimensional real-time monitoring can be achieved, the comprehensiveness and accuracy of the monitoring data are improved, and the working efficiency is improved. And then under the action of the horizontal adjusting assembly, it can be ensured that the column body is horizontal in the deep foundation pit, so that it is ensured that the column body can be kept in the horizontal state in the installation process, and the accuracy of monitoring data is improved.

The application discloses a self-balancing offshore operation platform safety ladder and a use method thereof, which comprises a sliding seat arranged in a horizontal sliding mode, a connecting frame hinged to one end of the sliding seat, a footboard horizontally and rotationally connected to the connecting frame, and a counterweight hung at the bottom of the footboard, wherein a hoisting frame is installed at the top of the sliding seat, the top end of the hoisting frame is connected with the movable end of the connecting frame through a lifting rope, and a horizontal shaking buffer assembly is arranged between the connecting frame and the footboard. The self-balancing mechanism and the buffer assembly significantly improve the stability of the safety ladder under complex sea conditions, the real-time response and anti-skid design ensure the safety of personnel getting on and off the platform, and the quick installation and modular design facilitate daily use and maintenance.

The utility model provides a bottom supporting structure of a 3D printer. The bottom supporting structure comprises a base, a fence fixedly installed on the top face of the base, a supporting seat connected with a supporting plate through a spring, the supporting plate fixedly installed at the bottom of a heated plate, a glass platform arranged at the top of the heated plate, and a long screw connected with a stabilizing mechanism. The base is adopted as a bottom supporting structure of the 3D printer to support the printing device, meanwhile, the glass platforms with the intervals are installed on the heated plate to be used for bearing finished products, the heated plate can enable the glass platforms to be evenly heated, and the situation that the glass platforms are formed due to temperature difference changes is avoided; the horizontal supporting structure is ensured to improve the printing precision, the springs are arranged to achieve elastic supporting of the supporting structure, vibration generated when the printing device works cannot affect the supporting structure, control is achieved through the stabilizing mechanism according to the weight of a printed finished product, and a stabilizing rod abuts against the bottom of the heated plate to achieve further supporting. And the processing precision of the 3D printer is improved.

This utility model provides a prefabricated box-type substation enclosure structure, including a substation body and multiple support leg mechanisms. Multiple mounting rings are horizontally fixedly connected to the bottom end of the inner surface of the substation body, and the multiple support leg mechanisms are respectively fixedly connected to the bottom ends of the mounting rings. This prefabricated box-type substation enclosure structure, by setting multiple support leg mechanisms, allows for individual adjustment of the multiple support leg structures. During adjustment, the height of each support leg can be adjusted by rotating the threaded sleeve. Furthermore, during actual installation, because the rotating seat at the bottom of the threaded sleeve rotates horizontally while the connecting seat rotates vertically, a structure similar to a caster wheel is formed, adapting to various road surfaces. This makes installation more convenient and ensures the enclosure remains level during later use, thereby improving the practicality of the substation.

The utility model provides a box ship main deck adopting double beam arches, which comprises a main deck body, the main deck body comprises a main deck body and a main deck body, the main deck body is located in an area with a large ship area and is in an open-air state, the main deck body is located in an area at the tail of a ship, and the main deck body which is located in the area with the large ship area and is in the open-air state adopts a beam arch bevel line K.L.1. The main deck located in the area of the tail portion of the ship adopts a beam arch bevel line K.L.1, the beam arch bevel line K.L.1 is arranged in the middle of the ship, the main deck located in the area of the tail portion of the ship adopts a beam arch bevel line K.L.2, and the beam arch bevel line K.L.2 is arranged in the position close to the broadside of the ship. The problem of water accumulation of an exposed deck is solved, and meanwhile, a beam arch form that a beam arch bevel line K.L.2 is arranged at the position close to the broadside is adopted in a tail narrow deck strip area.

The utility model provides a heavy rotor bending degree disc dynamic measuring device. The heavy rotor bending degree disc dynamic measuring device comprises a bottom plate, two symmetrically-arranged rolling mechanisms and a supporting mechanism. The rolling mechanism is movably connected with the bottom plate through the supporting mechanism. According to the heavy rotor bending degree disc dynamic measurement device provided by the invention, general and efficient measurement of the bending degree of the heavy rotor can be realized.

The utility model relates to the technical field of cigarette packaging, in particular to a cigarette pressing and boxing mechanism for hard cigarette cartons, which comprises a cigarette pressing workbench vertically arranged at the tail end of a longitudinal conveying belt, and the longitudinal conveying belt is used for conveying cigarette packet groups. A U-shaped guide frame matched with the tobacco bale group in width is arranged on the tobacco pressing workbench, and the opening side of the guide frame right faces the tobacco bale group; a matched cylinder is arranged on one side of the guide frame; a tobacco pressing mechanism capable of moving up and down is further arranged on the tobacco pressing workbench, and double blocking pieces capable of being opened through vertically downward pressure are arranged on the portion, below the tobacco pressing mechanism, of the tobacco pressing workbench; a cigarette falling channel right opposite to the cigarette pressing mechanism is arranged on the cigarette pressing workbench at the bottoms of the double blocking pieces. The whole mechanism is compact and reasonable in layout, automatic production can be achieved, the overall packaging level is guaranteed, the labor intensity is greatly reduced, and the production efficiency is improved.

The utility model relates to the technical field of carrier tape manufacturing, and discloses a track supporting mechanism in a COF (chip on film) carrier tape baking oven, which comprises a plurality of groups of supporting jigs uniformly distributed along the length direction of a second layer track, and the supporting jigs comprise main body bases symmetrically arranged on two sides of the track. One end of the main body base is provided with a first connecting table matched with the upper end of a track, the other end of the main body base is connected with a bearing shaft wheel used for supporting a carrier tape, the bearing shaft wheel is connected with the main body base through a second connecting table, a mounting groove is formed in the end, away from the main body base, of the second connecting table, and a plug pin is arranged in the mounting groove in a matched mode; the bearing shaft wheel is arranged on the plug pin in a sleeving mode and fixed to the second connecting table. The supporting jig is arranged on the conveying track, so that the COF carrier tape is further supported, the levelness of the carrier tape is guaranteed, and the phenomenon that the carrier tape is separated from the track due to the fact that the bending degree of the carrier tape is increased when the carrier tape passes through the second layer of the track is avoided.

This utility model provides a safety protection device for slitting and bundling operations, including a frame, a pressure roller, and a two-position control switch. The frame has a material roller and a take-up roller rotatably connected at both ends via bushings and bearings. The pressure roller is rotatably connected to a sliding seat via bearings. The upper end face of the sliding seat is fixedly connected to the output end of a control cylinder, which is fixedly connected to the top upper end face of the pressure roller frame. The two-position control switch is fixedly connected to the upper end face of the frame on one side of the take-up roller, and is electrically connected to the pressure roller control button on the main control console via a power cord. This utility model, by setting a two-position control switch connected in series with the pressure roller control button on the main control console, forms a dual control mechanism, giving safety control to the on-site bundling operators. It physically cuts off control signals from erroneous operations on the main control console, preventing accidents caused by steel strip unraveling and injury or entanglement due to personnel error, thus improving operational safety.

The utility model discloses an open type press machine with a fixed table, relates to the technical field of press machines, and aims to solve the problem that the stamping quality of parts is affected due to the lack of auxiliary support for a steel belt. Comprising a press machine body and a workbench, the workbench is installed on the press machine body, and the workbench is matched with the press machine body to complete stamping machining of parts; hinge seats are arranged on the left side and the right side of the workbench correspondingly, rotating rods are rotationally connected to the hinge seats, mounting frames are further arranged on the rotating rods, and supporting rollers are arranged on the mounting frames and used for supporting a to-be-machined steel belt. The mounting frames are arranged on the two sides of the workbench and matched with the rotating rods and the supporting rollers, the mounting frames can be rotated, the supporting rollers conduct auxiliary supporting on the steel belt, it is guaranteed that the steel belt is horizontal, follow-up part stamping is facilitated, and therefore the product quality is improved; a limiting mechanism and a locking mechanism for the rotating rod are further arranged on the hinge seat.

The invention relates to a nuclear accident emergency exercise scene development method and system, a storage medium and electronic equipment. The method comprises the steps that S1, initial information of emergency exercise is acquired; s2, selecting and determining a scene development mode; executing subsequent steps based on the scene development mode; s3, making a main line scene based on the main line scene data stored in the basic database; s4, making a branch line scene based on the branch line scene data; s5, performing perfect processing on the main line scene and the branch line scene; s6, checking whether the main line scene and the branch line scene meet conditions or not, if yes, executing the step S7, and if not, returning to the step S5; s7, verifying the main line scene and the branch line scene, judging whether verification is passed or not, if verification is passed, executing the step S8, and if verification is not passed, returning to the step S5; and 8, solidifying the main line scene and the branch line scene. The scene development difficulty can be reduced, the development efficiency can be improved, and the quality and level of the exercise scene can be ensured.

The utility model is suitable for the technical field of automatic cutting machines, and provides an automatic cutting machine device which comprises a machine body. The cutting assembly is arranged at the top of the machine body; the cutting assembly comprises a fixing frame fixed to the top of the machine body through bolts. The first hydraulic cylinder is fixed at the top of the fixed frame through a bolt; the cutting knife is fixed at the output end of the first hydraulic cylinder; the cutter groove is formed in the position, close to the position under the cutting cutter, of the top of the machine body. The motor is fixed at the central position of the outer wall of one side of the machine body through a bolt; the material supporting plate and the material pushing plate synchronously move after being calibrated, so that the material supporting plate can always support the side edge of the cellular board, the cellular board is kept horizontal, the problem that the cellular board inclines and deforms due to the fact that the protruding amount of the cellular board is large due to the large cutting width is solved, the stability of the cellular board during cutting is guaranteed, and the quality of the cutting position is guaranteed; and the problems of cutting deviation and many burrs are avoided.

The invention discloses a flatness dimension automatic detection device, and belongs to the technical field of dimension detection. The device mainly comprises a test board; the device comprises a detection assembly, a clamping assembly and a righting assembly, the righting assembly comprises two sliding rail sets and two hydraulic cylinders, and push rods are installed at the output ends of the hydraulic cylinders; the device comprises two sets of connecting blocks and two sets of mounting boxes, inserting grooves are formed in the mounting boxes, rails are mounted in the inserting grooves, and two sets of shaft sleeves are fixedly mounted on the mounting boxes; two sets of reset springs are jointly arranged between the inner walls of the inserting blocks and the inner walls of the inserting grooves, and two sets of inclined grooves are formed in the inserting blocks; at least two groups of sliding rods and at least two groups of ejector rods. According to the flatness dimension automatic detection device, through the arrangement of the righting assembly, the cutter position of the cutter head can be horizontally righting after the cutter head rotates every time, so that the cutter position is kept horizontal, the cutter position is conveniently measured, and the effect of righting the cutter head after the cutter head rotates is achieved.

In order to overcome the problems of complicated operation and insufficient wear resistance of existing glass cover plate screen printing ink and anti-fingerprint coating, the present invention provides a screen printing ink, comprising the following weight components: 25-47 parts of prepolymer, 16-35 parts of monomer, 0.1-2 parts of pigment, 3-7 parts of photoinitiator, 1-5 parts of compound shown in structural formula 1 and 2-7 parts of compound shown in structural formula 2; the monomer comprises the following weight components: 10-15 parts of first monomer and 6-20 parts of second monomer; the first monomer is selected from perfluorohexyl propylene oxide; wherein the prepolymer comprises 10-35 parts of epoxy acrylate and 15-27 parts of aliphatic polyurethane acrylate. The screen printing ink provided by the present invention has excellent anti-fouling and oil resistance and wear resistance.

The invention relates to the field of infusion instruments, in particular to an infusion port puncture positioning device which comprises a positioning cylinder, a vertically-penetrating avoiding notch is formed in the side wall of the positioning cylinder, the bottom of the positioning cylinder is communicated with a conical sleeve defined by a plurality of positioning claws, the small-diameter end of the conical sleeve is communicated with the positioning cylinder, and the positioning claws are plastic positioning claws. A gap is formed between the positioning claws, a positioning sliding hoop is slidably connected to the outer wall of the positioning cylinder and used for sliding to the positioning claws to hoop the positioning claws, multiple sets of limiting protrusions are arranged on the positioning claws on the two sides from top to bottom, and the distance between every two vertically-adjacent limiting protrusions is larger than the width of the positioning sliding hoop. The problem that an existing infusion port puncture positioning device is poor in stability can be solved.

The utility model discloses a feeding structure of a rotary kiln, which relates to the technical field of rotary kilns and comprises a rotary kiln body, the right side end of the rotary kiln body is connected with a feeding box through an input pipeline, the left side end of the feeding box is provided with a feeding port, and the feeding box is communicated with the interior of the rotary kiln body through the formed feeding port. According to the novel rotary kiln, through the two fans arranged at the side end of the feeding box and the slag discharging channel, when the device is used for feeding the rotary kiln body, some light fine particle impurities in material particles can be discharged and cannot fall into the rotary kiln body, so that the machining efficiency and level of the rotary kiln body are guaranteed, and the practicability is high. And through the arrangement of a vibration motor, a filter screen and a connecting shaft, the device can conduct secondary screening on added materials, and therefore particles large in size can be filtered out, then taken out for secondary crushing and added into the rotary kiln body to be machined.

The invention relates to the technical field of welding devices, and particularly discloses a fresh air pipeline welding device for old community reconstruction, which comprises a placing base, a height adjusting device is fixedly connected to the top of the placing base, and first sliding sleeves are fixedly connected to the parts, positioned on two sides of the height adjusting device, of the top of the placing base; the fresh air pipeline welding device comprises a U-shaped connecting support, a first sliding sleeve is fixedly connected to the top of the U-shaped connecting support, a first sliding rod is slidably connected to the inner wall of the first sliding sleeve, an angle adjusting device is fixedly connected to the top of the U-shaped connecting support, a welding gun is fixedly connected to one side of the angle adjusting device, and clamping and fixing devices are fixedly connected to the top and the bottom of the U-shaped connecting support. The height adjusting device is arranged, so that fresh air pipelines of any height can be welded, the clamping and fixing device is arranged, so that two sets of pipelines needing to be welded can be clamped and fixed at the same time, and the problem of welding deviation caused by sliding due to unstable clamping is avoided.

The utility model discloses a constructional engineering water mixing valve positioning base pre-embedding device which comprises a bottom frame, the device is connected with a formed hole by matching expansion screws with mounting screw holes, the levelness of the device is finely adjusted by referring to the bubble state in a leveler, the stability and horizontality of the device during plastering construction are guaranteed, and the construction efficiency is improved. When the water mixing valve and the device are matched with the connecting block for installation, after the hole distance deviates, the front jacking screw rods in all directions are rotated to drive the front jacking screw rods to move to the position where the contact pushes and extrudes the stainless steel hose, and the positions of the stainless steel hose, the front pipe and the connecting block are finely adjusted in cooperation with an external flexible buffering gasket; and finally, the cover plate and the bottom frame are clamped and installed in cooperation with the clamping edges, the situation that secondary rework is caused by errors of the distance between the formed holes can be effectively reduced, and meanwhile the stability and the levelness of the device are guaranteed when construction of other processes is carried out after installation.

The utility model discloses a positioning and distance measuring device for interior design, and relates to the technical field of positioning and distance measuring devices. The device comprises a supporting barrel, a positioning mechanism is arranged on the supporting barrel in a matched mode, a plurality of containing grooves are formed in the side portion of the supporting barrel in a circumferential array mode, and supporting legs are arranged in the containing grooves in a running fit mode. The bottom end of the supporting barrel is in threaded fit with positioning handle bolts in threaded fit with the supporting legs, the supporting legs are in threaded fit with adjusting handle bolts, and a gradienter is arranged at the bottom end of the supporting barrel. The supporting legs are rotated out of the containing grooves, then the positioning handle bolts are screwed into the supporting legs, the positions of the rotated supporting legs are positioned, then the supporting device is conveniently unfolded through the three supporting legs, then the distance measuring instrument is positioned in the positioning mechanism, and then the corresponding adjusting handle bolts are rotated according to the gradienter. The levelness of the range finder can be conveniently adjusted through the three adjusting handle bolts, the levelness of the range finder can be conveniently maintained, and the measurement precision of the range finder can be conveniently improved.