278results about How to "Improve mobile stability" patented technology

The invention relates to the technical field of pipe inner wall polishing, in particular to a plastic pipe inner wall polishing device. Comprising a sliding ring slidably arranged on a mounting cylinder, the right side of the sliding ring is connected with an air inflation bag, the right end of the air inflation bag is connected with the mounting cylinder, a fixedly-arranged second electric push rod and a slidably-arranged air pump are further fixedly mounted on the mounting cylinder, and the telescopic end of the second electric push rod is connected with the sliding ring. And a connecting pipe is communicated between an air outlet of the air pump and the inflatable bag. The movable part, the telescopic polishing block and the concentration mechanism are arranged and jointly assist to achieve adaptive adjustment of different pipe diameters, in addition, the inwards-concave inflatable bag is designed, so that the pipeline is adjusted and attached in a matched mode, abrasive dust is efficiently pushed out, the flexibility and adaptability of the equipment are enhanced, and the service life of the equipment is prolonged. And cleaning and polishing are integrated, so that the device can be operated more easily, and the overall using effect and working efficiency of the device are improved.

The utility model discloses a packing box inner side cover unscrewing device, and belongs to the technical field of box opening equipment. Comprising a portal frame, a horizontal moving part, a lifting part, unscrewing parts arranged in pairs and a blocking and positioning structure. The portal frame is erected on the packaging box placing part, and a mounting plate is arranged on the portal frame; the horizontal moving part is movably arranged on the mounting plate in the opening direction of the packaging box, the lifting part is arranged on the horizontal moving part in a lifting mode, the paired unscrewing parts are arranged on the two sides of the lifting part, the horizontal moving part can drive the unscrewing parts to move horizontally, and the lifting part can drive the unscrewing parts to do lifting motion; the unscrewing part comprises an unscrewing connecting plate, an unscrewing driver, an unscrewing connecting piece and a suction cup; the blocking positioning structure is arranged on one side of the portal frame, and one side of the packaging box can abut against the blocking positioning structure. The technical problem that according to a traditional packing box inner side cover unscrewing device, a sucker and an inner side cover are prone to being separated, and unscrewing fails is solved.

The invention relates to the technical field of miniature circuit breakers, and discloses an anti-interference miniature circuit breaker and a use method.The anti-interference miniature circuit breaker comprises a working shell, one side of the inner wall of the working shell is fixedly connected with a fixing frame, the top of the inner wall of the working shell is fixedly connected with a telescopic rod, and the output end of the telescopic rod is fixedly connected with a lifting frame; five irregular holes are formed in one side of the lifting frame, the loading heat dissipation mechanism comprises a cross rod fixedly connected to the side wall of the inner wall of the working shell, a sliding frame is slidably connected to the inner wall of the fixing frame, the bottom end of the sliding frame penetrates through the fixing frame and extends to the outer portion of the fixing frame, and a worker pulls a square plate to make the square plate move downwards; the square plate drives the sliding frame to move downwards, then a plurality of circuit breakers are placed on the inner wall of the fixing frame, the square plate is loosened, the first spring drives the sliding frame to move upwards due to elastic deformation of the first spring, the circuit breakers are extruded in the upward moving process of the sliding frame, and the circuit breakers can be rapidly installed on the inner wall of the fixing frame.

The invention belongs to the technical field of building robots, and particularly discloses a self-propelled reinforcing steel bar binding robot moving chassis and method, the moving chassis comprises a cross-layer inverted-T-shaped rack assembly, an environment sensing and automatic control assembly is arranged at the top end of the cross-layer inverted-T-shaped rack assembly, and a step-by-step lifting transverse propelling assembly is arranged at the bottom end of the cross-layer inverted-T-shaped rack assembly; self-adaptive high-position longitudinal moving assemblies connected with the cross-layer inverted-T-shaped rack assembly are arranged on the two sides of the environment sensing and automatic control assembly at intervals. Two pairs of driven double-hub wheel assemblies connected with the cross-layer inverted-T-shaped rack assembly are arranged on the two sides of the step-by-step lifting transverse propelling assembly in a clearance mode. The mobile chassis of the self-propelled reinforcing steel bar binding robot can automatically and stably walk on complex reinforcing steel bar mesh surfaces with different sizes and specifications, so that the construction efficiency of reinforcing steel bar binding operation is greatly improved, and the construction period is remarkably shortened.

The utility model discloses a fixing mechanism for a truss crown block and a cross beam, and relates to the technical field of truss crown block limiting. The overhead travelling crane comprises an overhead travelling crane body, a driving assembly, a cross beam for supporting the driving assembly, and a clamping assembly for locking the overhead travelling crane body and the cross beam, the crown block body comprises a mounting plate, a winch fixed to the upper side face of the mounting plate, a hoisting roller connected with a winding roller of the winch through a steel cable, a lifting plate fixed to the hoisting roller and a supporting claw fixed to the lower edge of the lifting plate. A locking strip is fixed on the lower side surface of the guide rail; the clamping assembly comprises a supporting plate fixed to the edge of the upper side face of the mounting plate, an air cylinder fixed to the upper side face of the supporting plate, and a locking piece fixed to the telescopic end of the air cylinder. According to the utility model, the position of the crown block body relative to the cross beam is fixed through mutual matching of the additionally arranged clamping assembly and the locking strip fixed on the lower side surface of the cross beam, and the clamping assembly is simple in structure, convenient to operate and suitable for multi-position fixation of the crown block body.

The invention discloses a building exterior wall water seepage detection device, and belongs to the technical field of building wall detection.The building exterior wall water seepage detection device comprises a to-be-detected wall, support mechanisms are placed on the two sides of the front end face of the to-be-detected wall, and an auxiliary supporting mechanism is installed between the two support mechanisms; a movable adjusting mechanism is installed on the auxiliary supporting mechanism, a detection mechanism is installed between the auxiliary supporting mechanism and the movable adjusting mechanism, and a detection driving mechanism is installed on the two support mechanisms. By designing the support mechanism, the auxiliary supporting mechanism, the movement adjusting mechanism and the detection driving mechanism, the height of the splicing device is determined according to the range during use, detection can be conducted according to walls of different areas, the application range of the device is widened, and the whole device can complete rapid splicing and is extremely convenient to transport after being disassembled.

The invention relates to the technical field of inspection robots, in particular to a rail type inspection robot capable of automatically adjusting clamping force, which comprises a camera and an I-shaped rail, a mounting plate is arranged below the I-shaped rail, and two walking devices are rotationally arranged on the upper side of the mounting plate; and the walking device comprises a bottom plate rotationally connected to one end of the upper side of the mounting plate, two side plates are fixed to the two sides of the bottom plate, and supporting shafts are rotationally connected to the upper ends of the two side plates in a penetrating mode. Through the guide mechanisms on the two sides of the walking device, when the walking device moves, the multiple guide wheels of the guide mechanisms on the two sides roll along the side face of the I-shaped rail, the multiple guide wheels of the two guide mechanisms are attached to the surfaces of the two sides of the I-shaped rail correspondingly, and transverse supporting force is provided for the walking device during moving; when the walking device moves along the linear section of the I-shaped rail, the walking device can be prevented from generating transverse deviation, and the moving stability of the walking device is improved.

The invention relates to the technical field of plastic processing automation equipment, in particular to full-automatic transfer printing and laser etching detection equipment applying a machine vision algorithm, which comprises a conveying device, a feeding device, a transfer printing device, a laser etching device, a vision detection device, a discharging device and a control system, the transfer printing device, the laser etching device and the visual detection device are sequentially installed in the conveying direction of the conveying device, the feeding device places a workpiece on the conveying device, the workpiece sequentially passes through the transfer printing device, the laser etching device and the visual detection device, and therefore printing, laser etching and detection operation of the workpiece is completed. The discharging device is installed at the tail end of the conveying device and used for conducting discharging operation on the operated workpieces. And the control system controls the equipment to operate automatically. In conclusion, by integrating the functions of pad printing, laser etching and automatic detection, automatic production is achieved, the production efficiency is improved, the labor cost is reduced, and meanwhile the stability and consistency of the product quality are ensured.

The utility model provides an electric power communication machine room environment monitoring device, and belongs to the technical field of machine room environment monitoring. The electric power communication machine room environment monitoring equipment comprises a monitoring equipment body, threaded rods are installed on the two sides of the monitoring equipment body, connecting frames are arranged on the outer sides of the threaded rods in a sleeving mode, connecting rods are installed at the top ends of the connecting frames, and quick dismounting mechanisms are installed at the top ends of the connecting rods and comprise inserting cylinders, and inserting sleeves are arranged on the outer sides of the inserting cylinders in a sleeving mode. A mounting plate is fixedly connected to the top end of the inserting sleeve, a pair of sliding rods is mounted in the inserting barrel, movable rods sleeve the two ends of each sliding rod, clamping blocks are arranged on the two sides of the top end of the inserting barrel, the top end of one side of each movable rod is connected with one end of the corresponding clamping block, a clamping groove is formed in the inner side of the inserting sleeve, and the other end of each clamping block is connected with the inner side of the clamping groove in a clamped mode; the utility model can effectively realize a single-hand quick release function, is convenient for a user to disassemble and assemble, and has higher practical value.

The invention discloses an acupuncture robot bending correction control method, device and equipment and a storage medium, and relates to the technical field of robot control, and the method comprises the following steps: determining the position of a tip at the tail end of an acupuncture robot as an initial position according to current joint angle data of the acupuncture robot; determining a position to be needled as a target position; planning a multi-section broken line track for the path from the initial position to the target position, and controlling the acupuncture robot to move according to the multi-section broken line track; determining positions of a needle tip and a needle head according to joint angle data when the acupuncture robot is located at the target position, and obtaining external acting force borne by the needle and the length of the needle; calculating the bending angle of the needle according to the current positions of the needle tip and the needle head, the external acting force and the length of the needle; and controlling the acupuncture robot to perform acupuncture according to the bending angle. The uncertainty of the planned trajectory can be reduced through the multi-section broken line trajectory; and in combination with the position, the external acting force, the length and the bending angle of the needle, the bending of the needle in the needling process can be corrected.

The invention discloses a threading construction device for constructional engineering in the technical field of constructional engineering threading technology, and the threading construction device comprises a movable base, a threading box and damping grooves, the threading box is located on the upper side of the movable base, the damping grooves are formed in the left side and the right side of the bottom of the movable base, and a lifting box is fixedly connected to the top of the movable base; the right side of the rear side wall of the lifting box is fixedly connected with a first motor, the tail end of a power output shaft of the first motor is fixedly connected with a first rotating rod, the first rotating rod penetrates through the lifting box and extends into an inner cavity of the lifting box, the tail end of the first rotating rod is fixedly connected with a gear, the inner cavity of the lifting box is movably connected with a rack, and the rack is fixedly connected with the lifting box. The rack is meshed with the gear, the rack is fixedly connected with the threading box, the threading construction device for the constructional engineering is reasonable in structural design, the threading efficiency is improved, the accuracy is improved, and the moving stability is improved.

The utility model discloses a special high-precision clamping force adjusting structure for a capo, which comprises a front clamping arm, a rear clamping arm, a pressing arm, a pull rod and a spring, the pressing arm is used for pressing the front clamping arm and the rear clamping arm, the pull rod and the spring are matched with the pressing arm, an adjusting inner sleeve is arranged at the top of the front clamping arm, and an adjusting limiting sleeve matched with the adjusting inner sleeve is arranged at the top of the rear clamping arm. The pull rod is a threaded adjusting pull rod, one end of the threaded adjusting pull rod is connected to the pressing arm, the spring is arranged on the threaded adjusting pull rod in a sleeving mode, the other end of the threaded adjusting pull rod penetrates through the adjusting inner sleeve and the top of the front clamping arm and then is connected with an adjusting knob, and adjusting scales are arranged on the adjusting inner sleeve. Adjusting indication marks matched with the adjusting scales are arranged on the outer side of the adjusting knob. According to the utility model, the adjusting scales are designed on the adjusting inner sleeve, and the adjusting indication marks matched with the adjusting scales are designed on the adjusting knob, so that the scale at the optimal intonation position can be adjusted only through one-time sound testing, the scale is only required to be adjusted to the specified scale and then clamped in each time of use, the adjustment is very convenient, and the precision is high.

The invention discloses a self-propelled water and fertilizer irrigation device and method based on intelligent navigation and a multi-energy system, and relates to the field of agricultural irrigation.The self-propelled water and fertilizer irrigation device comprises a rear rack, a front rack is arranged on the front side of the rear rack, a machine body is connected to the upper portion of the rear rack and the upper portion of the front rack, and stability adjusting mechanisms are installed on the rear side wall of the rear rack and the rear side wall of the front rack correspondingly; the bottom of the stable adjusting mechanism is connected with a wheel carrier, wheels are installed below the wheel carrier, a wheel shaft is connected to the middle of each wheel in a penetrating mode, and a bearing is connected between each wheel shaft and the corresponding wheel carrier. By arranging the hybrid energy system, the dependency of device power supply on the environment can be reduced, the storage battery can be automatically switched to provide power in rainy days and windless days, continuous supply of energy is ensured, and the reliability of the system is greatly improved; and by arranging the stability adjusting mechanism, the movement stability of the device on the uneven ground or the muddy area can be improved, and the possibility of slipping is reduced.

A feeding device of an overturning dust remover comprises a conveying belt, and all materials are fixedly arranged on a bearing. The transfer mechanism is periodically and movably connected to the rack, the transfer mechanism is provided with two temporary stop stations, and one temporary stop station is in butt joint with the conveying belt and is used for receiving materials; and the material pushing mechanism corresponds to the other temporary stop station of the transfer mechanism, is provided with a push plate which moves linearly and is used for pushing out materials on the transfer mechanism. The empty bottle positioning device is compact and reasonable in structure and convenient to operate, empty bottles are positioned by adopting a support, and meanwhile, the transfer mechanism which moves periodically is adopted, so that the labor intensity of workers is reduced, and the production efficiency is improved. According to the material conveying device, a plurality of materials can be conveyed on the premise of keeping an array, meanwhile, the moving distance of the materials can be accurately controlled, accurate butt joint with a turnover mechanism is facilitated, meanwhile, the materials can be orderly conveyed in a straight line through the linearly-distributed roller sets, follow-up clamping dust removal is facilitated, and the overall stability is improved.

The invention provides intelligent three-dimensional planting equipment, and relates to the technical field of agricultural planting, the intelligent three-dimensional planting equipment comprises a tripod main body, and the intelligent three-dimensional planting equipment is also provided with two chains I. The intelligent three-dimensional planting equipment adopts the stable tripod main body, and a tray rack which is obliquely arranged outwards can guarantee sufficient lighting; according to the requirements of different crops, corresponding matrixes can be selected to carry out planting modes such as organic planting, nutrient solution cultivation and water planting, water supplementing modes include spraying, drip irrigation and tide immersion methods, the water supplementing operations can be smoothly completed in the movement process of the equipment, in addition, a light supplementing device, a water planting device, an aeroponic cultivation device and the like can be additionally arranged on the equipment, and the equipment is convenient to use. Compared with traditional agriculture, the device has the advantages that the agricultural modernization planting mode is improved, the occupied area is greatly reduced, land resources are prevented from being wasted, the investment amount is greatly reduced, lighting is uniform, the temperature is uniform, watering is uniform, installation is easy, and harvesting is easy.

The utility model discloses an embedded industrial control display screen which comprises a display screen body, the display screen body is used for industrial control data display, a positioning moving mechanism is fixedly arranged on one side of the display screen body, and a protection mechanism is fixedly arranged at the top end of the positioning moving mechanism. The positioning moving mechanism comprises a positioning frame, and a positioning frame is fixedly arranged on the outer wall of the display screen body. The output ends of the motors fixed to the two ends of the positioning frame respectively drive the two positioning lead screws to rotate, so that the two positioning lead screws are in threaded connection with the two moving seats respectively, and the two moving seats drive the two second positioning racks to move respectively; and the two first positioning racks drive the positioning frame and the display screen body to stably slide, so that the display screen body can be conveniently disassembled, the disassembly and assembly efficiency of the embedded industrial control display screen is improved, and the maintenance efficiency of the embedded industrial control display screen is improved.

The utility model discloses an adjustable rehabilitation device for nursing in the department of cardiology, and particularly relates to the field of medical instruments, which comprises a support plate, and an adjusting mechanism of the rehabilitation device for nursing in the department of cardiology is mounted in the support plate. The adjusting mechanism comprises a cushion, a storage groove, an adjusting bolt, a pedal, a supporting frame, an adjusting block, a threaded rod, a motor, a supporting rod, a circular ring sleeve, a pull rope and a fixed handle. The adjusting mechanism is arranged to adjust different states of different patients during exercise, the cushion is adjusted through the adjusting bolt, when the patients stand for exercise, the cushion is contained in the containing groove, the height of the supporting frame is adjusted according to the height of the patients, the adjusting block drives the supporting frame to ascend and descend, and therefore the supporting frame can move up and down. A patient pulls a fixed handle by hand, arms of the patient are exercised through stretching of a pull rope, blood circulation can be promoted, the rehabilitation effect can be improved, when the patient needs to sit for exercise, a cushion is adjusted to be in a horizontal state, and the comfort of the patient is improved.

The utility model provides a remote control structure of a trash remover, which relates to the technical field of remote control cabinets and comprises a control cabinet, two transverse plates are fixedly mounted on the outer surface wall of the control cabinet, two positive and negative motors are fixedly mounted at the tops of the two transverse plates, threaded rods are fixedly mounted at the bottoms of the four positive and negative motors, and every two threaded rods form a group. L-shaped shielding plates are connected between the outer surface walls of the two sets of threaded rods in a threaded mode, four limiting plates are fixedly installed on the outer surface wall of the control cabinet body 1, the outer surface walls of the four threaded rods are movably inserted into the four limiting plates, and a plurality of heat dissipation holes are formed in the outer surface wall of the control cabinet body. According to the remote control structure of the trash remover, the two L-shaped shielding plates are driven by the four positive and negative motors to move downwards by a proper distance, so that the two L-shaped shielding plates just shield a plurality of heat dissipation holes formed in the two sides of the control cabinet, external rainwater is effectively prevented from entering the control cabinet, equipment in the control cabinet can work normally, and the using effect of the remote control structure of the trash remover is further improved.

The present application discloses a bottom plate device for a steel wire armoring machine, which relates to the field of steel wire rope technology, and includes a device base, wherein a driving rotation mechanism and a mobile plate mechanism are arranged on the upper side of the device base, an armoring machine wheel is arranged on the upper side of the driving rotation mechanism, and the armoring machine wheel is provided with a plurality of clamping fixtures with equal arc distribution and used to install the steel wire disc; the mobile plate mechanism is located at one end of the lower side of the armoring machine wheel, and is used to transfer the fixed steel wire disc to the corresponding clamping fixture. The present application drives the steel wire disc to move to the corresponding position of the armoring machine wheel through the mobile plate mechanism, so that the driving rotation mechanism effectively controls the clamping fixture on the armoring machine wheel to be fixed in the set position after rotation, so as to complete the purpose of putting the steel wire disc on the disc, thereby significantly reducing the difficulty of putting the steel wire disc on the disc, and having the effect of effectively improving work efficiency and safety.

The invention discloses rolling ring and circular magnet piece assembling equipment which is characterized in that a rotating disc is rotatably arranged on a machine table, a plurality of positioning jigs used for bearing rolling rings are arranged on the rotating disc, a dispensing mechanism comprises an annular track driving assembly, a lifting module and a dispensing barrel, the lifting module is arranged at the output end of the annular track driving assembly, and the dispensing barrel is arranged at the output end of the lifting module; the dispensing cylinder is arranged at the output end of the lifting module and used for dispensing on the rolling ring, the magnet feeding mechanism comprises a feeder and a material moving assembly, the material moving assembly is used for moving a magnet piece fed by the feeder to the rolling ring located on the positioning jig and subjected to dispensing, and the material pressing mechanism is used for pressing the magnet piece on the rolling ring. And the discharging mechanism is used for feeding and discharging the product from the positioning jig. The dispensing mechanism is used for accurately and automatically dispensing, automatic feeding of the magnet pieces is achieved through the magnet feeding mechanism, the magnet pieces are mounted in the mounting grooves of the rolling rings through the pressing mechanism so that the magnet pieces can be firmly bonded with the rolling rings, and the automation level and the machining efficiency of product machining are improved.

The utility model discloses a movable support assembly for overturning and feeding glass. The device comprises a guide rail frame, a moving structure and a control structure, the moving structure is arranged at the top of the guide rail frame, and the moving structure is provided with a moving framework arranged at the top of the guide rail frame. The effect of electrically moving the glass can be achieved through the moving structure, when the moving framework carries the reflecting plate to move into the sensing range of the photoelectric sensor, optical signals sent by the photoelectric sensor can be reflected by the reflecting plate and received again, and therefore the signals are transmitted to the controller in a very short time, the controller stops transmission of the driving motor, and the glass can be electrically moved. The movable framework is accurately stopped from being in butt joint with one side of the cutting table, the operation of horizontal movement and butt joint with the laser cutting table can be completed, original manual control movement is replaced, the labor intensity is reduced, the time for moving the glass to be in butt joint with the cutting table after overturning is shortened, and the overall working efficiency from overturning to cutting is improved.

The utility model discloses an assembly type building door and window assembly which comprises an outer door frame and an inner window frame rotationally installed on the outer door frame, an upper transverse support is fixedly installed on the inner window frame, a first clamping block is fixedly installed on the upper transverse support, and a first elastic rod is installed in the first clamping block in an embedded mode. And meanwhile, a first ejection head is fixedly installed on the first elastic rod, a rubber pad is fixedly installed at the bottom end of the first clamping block, a first pressing rod is slidably installed in the inner window frame, and a second ejection head is fixedly installed on the first pressing rod. According to the assembly type building door and window assembly, the upper transverse support is rotationally installed on the inner window frame, the upper transverse support and the inner window frame form a clamping structure through the first clamping block, and the upper transverse support and the inner window frame can be separated through the second jacking head, the first spring and the first pressing rod; the glass body arranged in the inner window frame can be taken out from the upper portion of the inner window frame, and then maintenance personnel can replace the glass body conveniently.

The utility model discloses a photocuring 3D printing feeding device, which belongs to the technical field of 3D printing and comprises a mounting box, ports are arranged on two sides of the mounting box, rotating rods are symmetrically and rotatably arranged in the mounting box, one ends of the rotating rods penetrating through the mounting box are connected through a transmission component, and the other ends of the rotating rods penetrate through the transmission component. The rotating rods located on the inner side of the mounting box are symmetrically provided with rotating discs, the sides, close to each other, of the rotating discs are provided with feeding assemblies used for conveying wire rod bodies, the top of the inner side of the mounting box is provided with an extrusion assembly abutting against the wire rod bodies, and the wire rod feeding device has the advantages of being stable in feeding, safe, anti-slip, simple and reliable in structure, convenient to operate, simple, convenient and practical.

The polishing device for bearing steel ball production comprises a polishing machine body, a discharging assembly and a positioning assembly, the discharging assembly comprises a discharging opening, the discharging opening is formed in the right side of the polishing machine body, the right side of the polishing machine body is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a motor, and the motor is fixedly connected with the positioning assembly. The output end of the motor is fixedly connected with a screw rod, the left end of the screw rod is movably connected with a fixing block through a bearing, the left side of the fixing block is fixedly connected to the surface of the polishing machine body, the surface of the screw rod is in threaded connection with a moving plate, the moving plate is located on the right side of the polishing machine body, and the left side of the moving plate is fixedly connected with a pushing rod. The discharging assembly is used for assisting the polishing assembly in discharging, after bearing steel balls are polished, the steel balls and abrasive materials cannot block the discharging portion, a user does not need to dredge the discharging portion manually, and use is easy and convenient.

The utility model relates to the technical field of intestine scraping machines, in particular to an intestine scraping machine for processing salted hog casings, and solves the problems that in the prior art, in the using process, due to the fact that most of scrapers of the intestine scraping machine are fixed, the scraping and washing effect on small intestines with corresponding thicknesses is optimal, small intestines with other thicknesses need to be scraped and washed for many times, and the scraping and washing effect is poor. And the practicability of the intestine scraping machine is reduced. A sausage scraping machine for salted hog sausage casing processing comprises an operation table, a winding roller and a moving rod. The winding roller is installed on one side of the top of the operation table through the driving assembly. The moving rod is installed on the other side of the top of the operation table through the lifting assembly. A plurality of scraping grooves are formed in the top of the operation table. The hog casing scraping device is reasonable in structure, hog casings with different thicknesses can be scraped and washed, and scraped and washed impurities can be left in the scraping groove, so that later washing and collection are facilitated.

The utility model relates to the technical field of silica sand screening, in particular to a silica sand screening device which comprises a box body. The sealing plate is connected to the inlet of the box body; the feeding hole is formed in the sealing plate; the flattening assembly is arranged on the sealing plate; the partition plate is fixedly connected to the top of the inner wall of the box body; the first sieve plate is used for conducting primary sieving on the silica sand; the sieve plate II is used for carrying out secondary sieving on the silica sand; the connecting rod is fixedly connected to the bottom of the sieve plate I and the top of the sieve plate II; the discharging opening is formed in the positions, corresponding to the first sieve plate and the second sieve plate, of the box body; the material guide plate is connected to the discharge hole in a sliding manner; the electric push rod is fixedly mounted on the outer side of the box body; and the vibration motor is mounted on the box body, in this way, the possibility that a large amount of dust flies around in the silica sand putting process is reduced, silica sand accumulated at a certain position can be evenly spread, and the screening efficiency of the silica sand is improved.

The invention relates to the technical field of LNG pipelines, and discloses an LNG pipeline cold insulation structure self-adaptive online repair purging device which comprises a gas inlet mechanism, purging mechanisms are installed on the inner side of the gas inlet mechanism at equal intervals, and self-adaptive supporting mechanisms are installed on the outer side of the gas inlet mechanism at equal intervals. Each self-adaptive supporting mechanism is connected with the blowing mechanism, the lower end of the air inlet mechanism is in threaded connection with a supporting frame, a driving mechanism is installed at the lower end of the supporting frame, and a guide rail mechanism is arranged at the lower end of the driving mechanism. Through mutual cooperation of the air inlet mechanism, the self-adaptive supporting mechanism and the purging mechanism, effective multiple defrosting purging can be conveniently carried out on the surface of the LNG pipeline, the purging effect is effectively improved, and the online repairing effect of the LNG pipeline cold insulation structure is improved.

The present application relates to the technical field of wall-mounted boxes, and in particular to a movable bracket for assembling wall-mounted boxes, comprising a base, both ends of which are hinged with operating tables for placing the wall-mounted boxes, the base is provided with a fixing mechanism, the fixing mechanism is used to fix the angle between the base and the operating table, the operating table is connected with a clamping mechanism, the clamping mechanism is used to clamp and fix the wall-mounted box placed on the operating table; the base is connected with a support frame, the support frame is used to support one end of the two operating tables away from the base. The present application document has the effect of improving the convenience of installation of the wall-mounted boxes and improving work efficiency.

The utility model provides a connecting rod type edge covering unit, and belongs to the technical field of part machining. The connecting rod type edge covering unit comprises a mounting base and a connecting rod edge covering mechanism, a mounting base is mounted at the top of the mounting base, a left connecting rod is mounted on the left side of the front side of the mounting base through a hinged support, a left edge covering block is mounted on the outer side of the left connecting rod through a hinged support, and a right connecting rod is mounted on the right side of the front side of the mounting base through a hinged support. By arranging the connecting rod edge covering mechanism, when the mounting base is matched with the mounting base to work, the mounting base can move towards an external workpiece to conduct contact edge covering work, multi-angle edge covering is conducted on the surface of the workpiece when moving edge covering is conducted, and the edge covering efficiency is improved. The machining efficiency in the workpiece edge covering process is improved, the situation that multi-angle edge covering is difficult to occur in the workpiece machining process is avoided, and therefore the workpiece edge covering efficiency and effect are improved.