11859 results about "Fixed frame" patented technology

The invention belongs to the technical field of laser flatness testing, and particularly relates to a modularized box room installation flatness testing device which comprises a fixed frame and a laser detector located in the fixed frame, and further comprises a moving mechanism arranged on the inner side wall of the fixed frame, and the laser detector is arranged on the moving mechanism. The motor is used for driving the laser detector to move multidirectionally; the first electric push rod is fixedly arranged at the bottom of the moving mechanism, a mounting plate is fixedly arranged at the moving end of the first electric push rod, and the laser detector is fixedly mounted on the lower surface of the mounting plate. Through multi-dimensional innovation of optical protection, a self-adaptive mechanical structure, intelligent environment control, automatic marking and the like, the precision and efficiency of modular box room installation flatness detection are remarkably improved, and manual dependence and environment interference are reduced through intelligent design.

The invention belongs to the technical field of slitting machines, and particularly relates to a metal coil stock slitting machine which comprises a base and a fixed machine frame arranged on the base, two shearing rollers are rotationally arranged on the fixed machine frame, a gear set is arranged between the shearing rollers, a movable machine frame is arranged on the base in a sliding mode, the movable machine frame is movably connected with the shearing rollers, and the gear set is arranged between the shearing rollers. A plurality of cutterheads are arranged on the shearing roller in a sleeving manner, and embedded blocks are arranged on the cutterheads; according to the metal coil stock slitting machine, the position of the limiting piece can be rapidly adjusted through cooperation of the pull rod, the adjusting mechanism and the lifting plate, and therefore flexible switching of three states of preliminary fixing, complete fixing and non-fixing of the cutter head is achieved. According to the design, the position of the cutterhead can be rapidly adjusted and stably fixed, the step of installing a cutter separating sleeve is omitted, the increasing and decreasing operation and the position adjusting process of the cutterhead become simple and efficient, and complex dismounting and mounting procedures are not needed.

The invention is suitable for the technical field of copper pipe cutting, and provides a copper pipe cutting device and method for refrigeration air conditioner machining, the copper pipe cutting device for refrigeration air conditioner machining comprises a workbench, a limiting seat is arranged on the workbench, and clamping mechanisms used for fixing a copper pipe are arranged on the two sides of the limiting seat; the workbench is fixedly connected with a supporting frame, the supporting frame is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a fixing frame, the fixing frame is connected with a limiting mechanism, and the limiting mechanism can vertically limit a copper pipe; buffering assemblies are fixedly connected to the two ends of the electric telescopic rod correspondingly, and a cutting assembly is horizontally limited between the two buffering assemblies. According to the method, the regulation and control analysis model fuses vibratology, thermodynamics and the material processing principle, real-time quantitative prediction of'cutting precision 'which cannot be directly observed is achieved through measurable parameters, and a theoretical core is provided for intelligent manufacturing.

The invention discloses a drilling and grinding integrated combined machining device for hardware machining, and relates to the technical field of hardware machining, the drilling and grinding integrated combined machining device comprises an operation table, a supporting arm is arranged at the top of the operation table, a lifting device for lifting is arranged on the outer side of the supporting arm, drilling equipment is fixedly connected to the outer side of the supporting arm, and a drilling rod is arranged at the bottom of the drilling equipment; the fixing frame is fixedly connected to the top of the operation table, a through groove is formed in the top of the fixing frame, a rotary drum is fixedly connected to the bottom of the fixing frame, and a plurality of fixing frames are arranged in the rotary drum, so that the situation that an outer side material curls along a drill bit edge belt to form burrs in the plate drilling process of the drill rod is avoided; the mounting frame and the flattening piece rotate around the hole diameter of the plate under the action of the transmission piece, the flattening piece continuously pushes towards the middle of the hole diameter, the plate at the hole diameter expanding outwards is pushed towards the middle, and supporting is guaranteed when the plate is drilled.

The invention relates to the technical field of silk-screen printing, and discloses a mesh straightness optimizing device which comprises a supporting frame, first supporting plates are fixedly connected to the four corners of the inner side of the supporting frame, one ends of the multiple first supporting plates are fixedly connected with the same first inner frame, and a fixing frame is arranged on the upper side of the supporting frame; second supporting plates are fixedly connected to the four corners of the inner side of the fixing frame, one ends of the multiple second supporting plates are fixedly connected with the same second inner frame, multiple hollow plates are fixedly connected to the periphery of the top of the fixing frame at equal intervals, and rotating shafts are rotatably connected to the inner sides of the multiple hollow plates; and the outer sides of the multiple rotating shafts are fixedly connected with L-shaped plates. When a sliding block moves, an L-shaped plate is driven to rotate through a movable plate, so that a roller is driven to move downwards to press a single net wire, the tightness of the single net wire can be adjusted, and the net wire tension of each part on a net plate can be accurately controlled.

The invention discloses a laser cutting machine feeding and discharging device, and relates to the technical field of laser cutting feeding and discharging, the laser cutting machine feeding and discharging device comprises a cutting cover and a laser cutter arranged in the cutting cover, one side of the cutting cover is provided with a cutting material placing table, and a feeding assembly is erected above the cutting material placing table; the feeding assembly comprises a support rail erected on the cutting cover, an adsorption part moving on the support rail and blowing parts arranged at the two ends of the adsorption part. The adsorption part comprises a fixing frame, two adjusting frames and a driving assembly for driving the fixing frame and the adjusting frames to move up and down, the blowing parts are used for blowing air to the interlayer of the plate so as to damage the interlayer adsorption force and ensure that the single plate is separated, the blowing parts are integrated at the two ends of the adsorption part, and air outlets of the blowing parts are accurately aligned with gaps formed by lifting on the two sides. Bidirectional synchronous blowing is achieved, the airflow coverage range is widened, vacuum adsorption is thoroughly damaged, and the problem that a plate falls off from the adsorption disc is effectively solved.

The utility model provides an organic fertilizer screening machine, which belongs to the technical field of screening machines and comprises a machine body and a fixing frame arranged on the machine body, a mounting frame is fixedly connected to the outer wall of one side of the machine body, and a motor is mounted on the mounting frame. In the working process of the screening assembly, the adjusting frames which move oppositely are arranged between the adjacent adjusting frames, so that the precision of the screen cloth between the adjusting frames is repeatedly adjusted, the screen cloth continuously stretches and rebounds to generate slight vibration, accumulation of materials on the screen cloth is reduced, blocking of screen holes is reduced, and the screening efficiency is improved. Meanwhile, a rotating shaft drives beating blades on the outer side to rotate when the screening assembly works, so that the beating blades abut against the outer wall of a screen to conduct sliding extrusion, the screen sinks towards the inner side, the screen rebounds after the beating blades are disengaged from contact, vibration is generated in the process, fertilizer blocked in screen holes is vibrated and dredged, and the fertilizer blocking effect is improved. And the condition that the screen is blocked is reduced, so that the smoothness of screen holes is kept, and the screening effect is guaranteed.

The invention relates to the technical field of photovoltaic panel welding, in particular to a workpiece feeding device of a bus bar welding machine, which comprises two fixing frames, feeding devices, a supporting device and a pushing device, the uniformly distributed feeding devices are mounted at the top of the fixing frames, the supporting device is arranged between the two fixing frames, and the pushing device is mounted on the top of the fixing frames. The device comprises a fixed frame, a driving motor, a driving shaft, a mounting frame, a fixed plate, a driving belt pulley, a driven belt pulley, a belt main body, a fixed shell, a supporting shell, a supporting wheel, a limiting plate, a threaded rod, a nut, a limiting rod, a rubber ring, a pushing spring and a dismounting main body, the driving belt wheel, the belt main body and the driven belt wheel can be driven to rotate through the driving motor and the driving shaft, the belt main body is attached to the supporting wheel so as to support the belt main body, the belt main body can be attached to the photovoltaic module all the time, and stable feeding of the photovoltaic module is guaranteed.

The invention discloses a PIN wire steel plate lifting mechanism and a control method, and relates to a PIN wire steel plate lifting mechanism which comprises a lifting module, a grabbing and sucking module and a fixing frame. The lifting module is in linkage with a lifting driving assembly through a ball screw, and high-precision lifting is achieved. The grabbing and sucking module comprises array type vacuum suction cups, a pressure regulating valve set and an air cylinder, the stability is enhanced through a cross-shaped transverse beam frame and a cross-shaped longitudinal beam frame, and 360-degree posture adjustment is achieved by carrying a hollow platform rotating assembly. The fixing frame is connected with the sliding base, so that the mechanism moves along the linear track, and the steel plates are conveyed. The control module integrates a visual system and a laser displacement sensor, positions the position of the steel plate and a hole site in real time, scans a three-dimensional contour, detects whether the steel plate deforms on line based on a hole site and aperture comparison method, automatically triggers a sorting alarm when a detection result exceeds a threshold value, and adopts a graded pressure relief technology in a release process to ensure soft landing of the steel plate. According to the scheme, the stability of the lifting process of the PIN wire steel plate is improved, the comprehensive efficiency of a full-process automatic production line is improved, and the reject ratio of products is reduced.

The invention relates to the technical field of intelligent manufacturing equipment, in particular to grinding equipment for plastic mold accessory production. Comprising a plurality of containing cavities evenly distributed in the circumferential direction and arranged on a base, the base is provided with symmetrically-distributed electric control push rods, telescopic parts of the symmetrically-distributed electric control push rods are jointly and fixedly connected with a fixing frame, a motor is installed in the fixing frame, and an output shaft of the motor is fixedly connected with a first gear; second gears which are evenly distributed in the circumferential direction are rotationally connected into the fixing frame, the number of the second gears is the same as that of the containing cavities, and a grinding roller is arranged in the base. The multiple guide columns are ground through the multiple grinding rollers at the same time, so that the grinding time and the grinding degree of the multiple guide columns on the same die are the same, and the situation that due to state fluctuation of the grinding rollers during one-by-one grinding, the surface smoothness difference of the multiple guide columns on the same die is caused is reduced, and the grinding efficiency of the guide columns and the quality after grinding are guaranteed through grinding.

The utility model discloses a construction reinforcing steel bar detection clamp, which comprises a fixed table, the outer wall of the top of the fixed table is connected with two clamping structures through adjusting assemblies, each clamping structure comprises a fixed frame and a telescopic cylinder, the fixed frame is in sliding fit with the outer wall of the top of the fixed table, and the telescopic cylinders are arranged on the fixed frame. The telescopic air cylinder is installed on the outer wall of the top of the fixing frame, a lower clamping plate assembly and an upper clamping plate assembly are oppositely arranged on the inner wall of the fixing frame, the upper clamping plate assembly comprises a fixing plate and a connecting plate, the fixing plate is connected to the telescopic end of the telescopic air cylinder, connecting rods are connected to the two sides of the fixing plate, and one ends of the two connecting rods are connected with the same connecting plate. A pressure sensor is arranged between the fixing plate and the connecting plate; according to the steel bar clamping device, by arranging the connecting plate, the pressure sensor and the connecting rod, the pressure on a steel bar can be controlled when the steel bar is clamped, and deformation of the steel bar caused by too large clamping force is avoided.

The invention discloses a wafer slide holder which comprises a fine tuning platform, a reference frame is fixedly mounted on the fine tuning platform, a fixing frame is slidably mounted on the reference frame, a middle connecting frame is sleeved and fixedly mounted in the fixing frame, an adjusting frame is sleeved in the middle connecting frame, and the outer wall of the adjusting frame is in spherical fit with the inner wall of the middle connecting frame. An air suction type fixing structure is arranged between the middle connecting frame and the adjusting frame; a carrier plate is arranged on the adjusting frame, and a negative pressure adsorption mechanism is arranged between the carrier plate and the adjusting frame; a sheet body adsorption jacking mechanism is further installed on the adjusting frame, and an avoiding hole is formed in the carrying plate. The position of the plane where the wafer is located is adjusted, meanwhile, the wafer and the photoetching plate are kept in a parallel state, the parallelism adjustment is rapid and convenient, fixation is reliable and stable after adjustment, and a foundation is laid for guaranteeing the effects of exposure, photoetching and other processes and the product quality.

The utility model relates to the technical field of saw blade repairing, and discloses a bimetallic strip saw blade tooth blade repairing device which comprises a fixing frame, a transverse electric sliding rail is fixedly arranged at the top of the fixing frame, a transverse electric sliding block is arranged in the transverse electric sliding rail, and an air cylinder is fixedly arranged at the bottom of the transverse electric sliding block. An oil storage tank is fixedly mounted at the tail end of a piston rod of the air cylinder, a grinding rod is fixedly arranged at the bottom of the oil storage tank, an oil separation plate is fixedly arranged in the oil storage tank, an oil discharge pipe is fixedly arranged at the bottom of the oil separation plate, an electromagnetic valve is arranged on the pipe wall of the oil discharge pipe, and an oil discharge port is formed in the bottom of the oil storage tank and located on one side of the grinding rod; a longitudinal electric sliding rail is fixedly arranged at the bottom of the fixing frame. According to the double-metal band saw blade repairing device, the double-metal band saw blade can be automatically polished, the repairing efficiency is improved, meanwhile, cutting oil can be automatically added, the tooth edge of the saw blade is effectively prevented from being abraded, and the repairing quality is improved.

The utility model discloses a film tensile strength detection stationary fixture, relates to film stationary fixture technical field, including tensile testing machine, moving plate and clamping subassembly, the clamping subassembly includes crossbeam and two chuck, the opposite side of two chuck is equipped with the groove, the bottom end center of crossbeam is fixedly equipped with the magnet block A, the magnet block A is equipped with the magnet block B, and the magnet block B is equipped with the magnet block B; a magnetic attraction block B is attracted to the bottom end of the magnetic attraction block A through magnetic force, and the bottom end of the magnetic attraction block B is fixedly connected with a fixing frame. The clamping positions of the upper end and the lower end of the thin film are fixed and aligned, the accuracy and repeatability of tensile strength detection are improved, the next thin film is rapidly fixed when multiple groups of thin films are tested, the operation convenience is improved, and the time for replacing thin film samples when the multiple groups of thin films are tested is shortened. The problems that the centering performance is poor when the thin film samples are clamped, and the accuracy and repeatability of sample inspection are poor due to the fact that clamping positions possibly have deviation when multiple thin film samples are detected are solved.

The invention relates to an abrasive belt heat absorption performance detection device and method, and relates to the technical field of abrasive belt performance detection.The abrasive belt heat absorption performance detection device comprises a workbench and grinding equipment arranged on the workbench, and the workbench is provided with a grinding assembly for grinding an abrasive belt and a detection assembly for detecting the surface of the ground abrasive belt; the grinding assembly comprises a fixing frame arranged on the workbench in a sliding mode, an abutting plate is arranged on the fixing frame in a penetrating mode, a fixing roller is rotationally arranged on the abutting plate, and a grinding block movably abutting against the abrasive belt is detachably arranged on the peripheral wall of the fixing roller. The workbench is provided with a swinging piece enabling the grinding block to swing, a driving piece driving the fixed roller to periodically slide along the working face of the abrasive belt, a heating piece heating the grinding block and a second power piece driving the fixed frame to slide. The abrasive belt energy absorption performance detection device has the effects that the abrasive belt energy absorption performance detection efficiency is improved, and meanwhile the intuition and representativeness of the detection result are improved.

The invention discloses an unmanned aerial vehicle inspection device and method for electric power inspection, and relates to the technical field of electric power inspection. A mounting base is fixed to the front side of the unmanned aerial vehicle body, a second camera is mounted on the front side of the mounting base, a buffer assembly is mounted on the lower side of the unmanned aerial vehicle body, and the cable is shot by arranging the second camera; the moving assembly comprises fixing frames, a T-shaped block, a threaded rod, a limiting rod and a first motor, the two corresponding fixing frames are fixed to the lower side of the unmanned aerial vehicle body, the T-shaped block is arranged between the two fixing frames, a threaded hole is formed in the edge of the right side of the T-shaped block, and the threaded rod is in threaded connection with the interior of the threaded hole; and the threaded rod is rotationally connected to the interior of the fixing frame on the right side, a first motor is installed on the lower side of the fixing frame on the right side, residues attached to the surface of the cable can be cleaned, and meanwhile damage points of the cable can be marked.

The invention provides a photovoltaic panel wiring terminal protection device, and belongs to the photovoltaic technical field, the photovoltaic panel wiring terminal protection device comprises a protection box, a heat dissipation waterproof and anti-falling assembly and a bird repelling assembly, and the heat dissipation waterproof and anti-falling assembly comprises a fixed frame hermetically communicated with the top of a first connecting frame. The rainwater enters the protection box and enters the first connecting frame through the fixing frame and enters the protection box for heat dissipation, the second connecting frame at the bottom discharges hot air, air circulation and efficient heat dissipation are achieved, in rainy days, rainwater can be prevented from entering the protection box through the design of the bottom of the air opening of the air duct, and when part of the rainwater is blown into the air duct by wind and enters the inclined frame, the rainwater can be prevented from entering the protection box. When a user installs the connecting line, the connecting line can be fixed by driving the limiting seat to be close to the supporting seat, the connecting line is prevented from being dragged and falling off easily, and therefore the purposes of heat dissipation, water prevention and falling prevention are achieved.

The utility model discloses a double-face chamfering structure of automatic chamfering equipment, and particularly relates to the technical field of chamfering equipment, the double-face chamfering structure comprises a workbench and a feeding assembly arranged on the top face of the workbench, a fixing frame is fixedly installed on one side of the top face of the workbench, a sliding rod is fixedly installed on one side of the interior of the fixing frame, and the sliding rod is fixedly installed on the other side of the interior of the workbench. And the other side of the interior of the fixing frame is rotationally connected with a reciprocating screw rod. According to the double-face chamfering structure of the automatic chamfering equipment, in actual work, the negative pressure draught fan sucks dust generated during grinding into the processing box through the connecting pipe and the dust suction pipe, chippings generated during chamfering grinding can fall into the material distribution box along with chamfered workpieces through the material guide holes due to the weight of the chippings, the cam rotates, and the chippings are separated from the processing box through the material guide holes. According to the chamfering and polishing device, the workpieces falling on the second filter plate can be shaken to be separated from chippings, so that the chippings and dust in the chamfering and polishing process can be conveniently cleaned in time, and the situation that the dust and the chippings pollute the working environment and affect the health of workers is avoided.

The invention relates to the technical field of detection devices, and discloses a current transformer appearance detection device which comprises a detection table. The visual detection unit is used for performing visual detection on the appearance of the current transformer; the grabbing unit is used for carrying out grabbing detection on the current transformer to be detected; the grabbing unit comprises a movable frame, a second air cylinder is installed on the movable frame, a fixed frame is installed at the telescopic end of the second air cylinder, a rotating table is arranged on the side, away from the second air cylinder, of the fixed frame, and a grabbing assembly is arranged on the rotating table. By adopting a working mode that two groups of opposite clamping plates and clamping blocks are alternately folded and unfolded, when an initial clamping surface needs to be detected, the two groups of clamping plates which are originally in an unfolded state are upwards folded around a first connecting shaft through a swing arm under the driving of a third cylinder, so that the originally clamped surface is completely exposed; a detection blind area caused by fixation of the clamping surface is avoided, and the detection efficiency is improved.

The invention provides a double-layer multi-leaf grating based on embedded rails, and relates to the technical field of multi-leaf gratings, the double-layer multi-leaf grating comprises a fixed frame, mounting side plates are fixedly mounted on the two sides of the interior of the fixed frame respectively, and two layers of embedded rail mechanisms are mounted at the two ends of the mounting side plates on the two sides respectively; a plurality of upper combined type blades are arranged in the upper-layer embedded track mechanism, and a plurality of lower combined type blades are arranged in the lower-layer embedded track mechanism. Through the embedded track mechanism, the track and the driving mechanism are embedded into the space where the blades are arranged, so that the effective shielding height of the blades can be higher under the same external size, and ray leakage is remarkably reduced. And a larger front end arc radius is allowed to be used due to the higher blade height, so that the penumbra of rays can be reduced, and the sharpness of an irradiation boundary is improved.

The utility model relates to the technical field of high-precision aluminum plate production and processing, and discloses a high-precision aluminum plate quenching device with a rotating structure, which comprises a device bottom cylinder, and a top frame is fixedly arranged at the top end of the device bottom cylinder. When the high-precision aluminum plate quenching device with the rotating structure is used, after a high-precision aluminum plate is clamped and fixed in the fixing frame, a hydraulic cylinder is controlled to start to drive a mounting seat to move downwards, the high-precision aluminum plate is placed in a bottom cylinder of the device to be cooled and quenched, and meanwhile, a servo motor can be controlled to start to drive a worm to rotate by utilizing a speed reducer; when the worm rotates, the meshed worm gear can be used for driving the connecting shaft to rotate, and the connecting shaft can drive the connecting seat and the aluminum plate at the bottom to rotate while rotating, so that the aluminum plate can be in uniform contact with low-temperature cooling liquid in the bottom cylinder of the device, the cooling efficiency of the aluminum plate is improved, and a high-precision aluminum plate workpiece can be conveniently and efficiently cooled; the problem that efficient cooling of a high-precision aluminum plate workpiece is inconvenient is solved.

The invention discloses a deformation control device for forklift portal frame structure welding, and relates to the technical field of welding deformation control, the deformation control device comprises a turnover machine, a turnover frame, a moving frame arranged on the turnover frame and a moving mechanism for driving the moving frame to move transversely, and the moving frame is provided with a monitoring module comprising a visual monitor and an infrared thermometer; a plurality of correcting assemblies are arranged at the top end of the overturning frame, each correcting assembly comprises a fixed frame, a sliding frame and an extrusion roller, and the movable frame is provided with an upper electric telescopic cylinder capable of driving a triangular inserting plate to extrude a round rod so as to drive the extrusion rollers to abut against the portal; the fixing frame is provided with a clamping assembly, a linkage plate is driven through a lower electric telescopic cylinder, and a bottom plate and a clamping plate are driven to rigidly fix the portal. The position of the fixing frame can be adjusted through bolts and the limiting grooves. The device can monitor welding deformation in real time and dynamically correct the welding deformation, is adaptive to portals of multiple specifications, improves the welding precision and efficiency, guarantees the quality of the portals, and reduces the labor dependence and the equipment cost.

The utility model belongs to the technical field of bearing running-in, and discloses a bearing running-in device. The bearing running-in device is used for bearing running-in of the CT bulb tube, and a bearing is installed in the CT bulb tube. The device comprises a rack, a first driving piece, a fixing frame and a second driving piece, and the first driving piece is arranged on the rack; the CT bulb tube is arranged on the fixing frame, the first driving piece is in transmission connection with the fixing frame, and the first driving piece is used for driving the fixing frame to rotate by at least one preset angle; the second driving piece is in transmission connection with the bearing and used for driving the bearing to rotate, and the rotating axis of the bearing intersects with the rotating axis of the fixing frame. According to the utility model, the manual operation intensity can be reduced, the running-in efficiency is improved, and the running-in quality is ensured; and meanwhile, the using environment of the bearing running-in process is met, and accuracy and rationality are guaranteed.

The invention discloses a new material decorative film detection device based on an intelligent sensor, and relates to the technical field of detection, the new material decorative film detection device comprises a casing and an intelligent sensor body, the intelligent sensor body is fixedly installed on the top of the casing; the detection equipment is fixedly mounted at the bottom of the intelligent sensor body; the driving transmission roller is arranged on the inner wall of the machine shell; the rotating roller is rotationally installed on the inner wall of the machine shell, and the rotating roller is driven by a motor; a fixing frame is fixedly mounted on the surface of the rotating roller, a winding roller is slidably mounted on the surface of the fixing frame, a sliding rod is slidably mounted on the inner wall of the fixing frame, a trapezoidal sliding plate is slidably mounted on the inner wall of the fixing frame, after a rotating button is separated from an L-shaped block, a third spring can drive the L-shaped block to reset, and the L-shaped block can limit the rotating button when resetting; the rotary button does not need to be pushed by hands all the time, a single person can operate, and the overall working efficiency is improved.

The invention discloses a device for monitoring inclination deformation of a structure, and relates to the technical field of monitoring devices. The device comprises a base, a fixing plate and a horizontal adjusting mechanism, a fixing frame is arranged on the fixing plate, a rotating frame is rotationally connected to the fixing frame, a rotating assembly for driving the rotating frame to rotate is arranged on the fixing plate, a guide rod is fixedly installed on the rotating frame, and the guide rod is sleeved with and movably connected with a mounting plate; a laser displacement sensor is fixedly mounted on the mounting plate, a lifting assembly for driving the mounting plate to move along the guide rods is arranged on the rotating frame, and a controller is fixedly mounted on the base. The position and angle of the laser displacement sensor are adjusted through the rotating assembly and the lifting assembly, so that the device can adapt to monitoring requirements of different structures and positions, and the monitoring efficiency is improved.

The present invention relates to the technical field of concrete curing, and discloses a concrete curing device, comprising a fixed frame, the bottom of the fixed frame is rotatably connected to a bogie, the inner wall of the bogie is fixedly equipped with a fixed cylinder, the inner wall of the fixed cylinder is rotatably sleeved with a positive and negative threaded rod, and the side of the positive and negative threaded rod passes through the inner wall of the bogie and is fixedly equipped with a steering wheel. Through the coordinated use of the coating roller and the stop frame, the mobile motor is used to drive the docking cylinder to rotate through the synchronous wheel 1, thereby using the docking cylinder to drive the coating roller to rotate, and then using the coating roller to assist the film to be released, and using the synchronous belt to assist the synchronous wheel 1 to drive the synchronous wheel 2 to rotate, and then using the synchronous wheel 2 to drive the stop frame to rotate in the inner wall of the limiting cylinder through the reducer, so that the stop frame pushes the counterweight block on the inner wall of the fixed frame to move, and is discharged to the top of the film through the inner wall of the bottom of the limiting cylinder, thereby assisting the film to be limited while the film can be stably unfolded.

The utility model discloses an aluminum alloy door and window with a reinforcing structure, and relates to the technical field of door and window reinforcement. The window comprises a window frame, wherein a self-locking mechanism and a reinforcing mechanism are arranged on the window frame; the self-locking mechanism comprises a self-locking assembly, a clamping assembly and an overturning assembly, the self-locking assembly comprises a sliding groove formed in the window frame, the sliding groove is rotationally connected with a rotating block, the rotating block is provided with a plurality of grooves and fixedly connected with a handle, the sliding groove is slidably connected with two ejector rods, and the ejector rods are slidably connected with the grooves. Through the self-locking mechanism, the two clamping rods can be driven by a person to be clamped in the clamping grooves in the upper side and the lower side by turning over the handle through the elasticity of the spring and a plurality of grooves with different concave sizes, the upper position and the lower position between the window frame and the fixing frame are limited and fixed at the same time, and the hinge block and the hinge groove are matched to be hinged to each other; the operation is simple, the closed limiting positions of doors and windows are uniformly distributed to a certain extent, and the practicability of the device is improved.

Provided in the present disclosure is a ring main unit (500). The ring main unit (500) comprises a gas tank (100), a fixed frame (1) fixed to an inner side wall of the gas tank, and a circuit breaker switch (2) and a three-position switch (3) that are located in the gas tank (100). Embedded poles (21) of the circuit breaker switch (2) each comprise a pole body (211), and a moving-end shielding seat (212) and a fixed-end shielding seat (213) that are located at two ends of the pole body (211), wherein the moving-end shielding seat (212) and the fixed-end shielding seat (213) can respectively cover the two ends of the pole body (211), thereby electrically isolating an electrical connection position of the pole body (211) from the external environment. The pole body (211), the moving-end shielding seat (212) and the fixed-end shielding seat (213) are cast into a whole by means of an insulating resin, thereby improving the consistency of the poles. A grounding shielding seat (33) is made of an integrally formed metal member, such that a plurality of grounding contacts (32) can be uniformly enclosed within a shielding space (301), thereby optimizing the electric field distribution of the grounding contacts. The ring main unit (500) disclosed in the present application can not only use dry air as an insulating gas, but also achieves the miniaturization of the ring main unit (500) and satisfies the corresponding insulation performance.

The invention relates to the technical field of inverted arch virtual slag cleaning, and particularly discloses a tunnel inverted arch virtual slag cleaning device and method.The tunnel inverted arch virtual slag cleaning device comprises a base, and a driving mechanism used for moving is arranged on the bottom face of the base; an automatic cleaning mechanism used for cleaning empty slag in a foundation pit is arranged on the top face of the base and comprises a fixing base, the fixing base is fixedly connected to the base, a first connecting frame is hinged to the fixing base, a second hydraulic cylinder is fixedly connected to the first connecting frame, and a second connecting frame is arranged at the other end of the second hydraulic cylinder. Fixing frames are arranged at the two ends of the second connecting frame, and the fixing frames are similar to the foundation pit in shape; the technical problems that when an existing virtual slag cleaning device is used for cleaning a foundation pit, the device is controlled by a worker, a visual blind area can appear, and cleaning is not convenient when needed are solved.