98results about How to "Level of achievement" patented technology

Disclosed are a system and a method for controlling automatic puppet performance. The system comprises puppets and is positioned behind a projection screen, and the puppets are connected with a driving motor through pull ropes and fixed guide pulleys. Rods in the prior art are replaced by flexible ropes for control, the puppets can horizontally and vertically move behind the projection screen, and four limbs of each puppet can move on the same side of the body of the puppet. The system is compact in structure, light in weight and convenient in control, the puppets can automatically dance along with music by the aid of a PLC (programmable logic controller) workspace and software control, the projection effect of the puppets is improved, and ornamentality is enhanced.

The invention discloses a concrete beam damage monitoring system and a monitoring method. The method comprises the following steps: presetting a set of two intelligent aggregates into a to-be-detectedconcrete beam; respectively using the two intelligent aggregates as a piezoelectric ceramic driver and a piezoelectric ceramic sensor; exciting the piezoelectric ceramic driver through a high pressure amplifier by utilizing a signal generated by a signal function generator; analyzing the collected signal by a signal processing module connected with the piezoelectric ceramic sensor, thereby acquiring a peak signal; comparing the peak signal with an initial value of the signal emitted by the signal function generator, thereby acquiring the interior condition of the to-be-detected concrete beam.The monitoring system has the advantages of sensitive sensing, safety, reliability and wide measuring scope. The monitoring system has a simple structure and high power, is suitable for monitoring various slant cracks and crossing cracks generated in the concrete beams at different shear span ratios and is capable of realizing the functions of horizonal and vertical bidirectional motivation and signal collection.

The invention discloses an automatic wall slotting device, and belongs to the field of building construction equipment. A first support and a second motor base are fixed. A first lead screw is fixed to a first motor. A second lead screw base is arranged on a first lead screw nut. A camera base is arranged at the lower portion of the first support. The second motor base and the first support are fixed. A third lead screw is arranged on a fourth motor spindle. A third motor is arranged on a third lead screw nut. A fourth motor base is fixed to the upper left portion of the first support. A cutting device is arranged on a second support. A steering engine base is arranged on a second lead screw nut, and a second lead screw and a third motor are fixed. According to the automatic wall slotting device, the horizontal movement is driven through rotation of the lead screws, concrete at the slotting position is cut and removed through the cutting device, the manual labor is reduced, and efficiency is improved.

The present invention relates to a multi-rotor unmanned aerial vehicle high-gain omnidirectional conformal diversity antenna technology, and relates to a high-gain unmanned aerial vehicle conformal antenna. By organizing an array on the basis of the radiation arrays of the common PCB dipole forms and carrying out the fine phase feed, the series feed antennas and the parallel feed antennas of the radiation arrays are conformal successfully, have the high gain, and are easy to be conformal with an undercarriage of an unmanned aerial vehicle, thereby realizing the horizontal and vertical polarization. By the diversity of the two kinds of antennas, the conditions of an end-emission type antenna array and an edge-emission type antenna array are satisfied. The multi-rotor unmanned aerial vehicle high-gain omnidirectional conformal diversity antenna technology is especially suitable for being applied to the MIMO and OFDM wireless communication systems, and the working frequency bands can be WIFI 2.4 GHz or 5.8 GHz and ISM 433 MHz, 1.2 GHz and 900 MHz, also can be the legal frequency bands used for an unmanned aircraft system of 840.5-845 MHz and 1430-1440 MHz.

The invention discloses a three-dimensional tailing pond seepage system and a seepage method thereof, and the system and the method are used for solving the problem of common tailing pond seepage effect in the prior art. The three-dimensional tailing pond seepage system comprises a flexible permeable hose vertical to a dam axis and a horizontal drain pipe parallel to the dam axis, wherein the inner end of the flexible permeable hose is communicated with the horizontal drain pipe. The flexible permeable hose, the horizontal drain pipe, a bank slope seepage body and a pond bottom seepage body are utilized for collecting water or separately collecting water, and water in the seepage system is guided out of a dam. The system can be used for cleaning and dredging, can be arranged and built in a tailing pond design stage and constructed in an operating stage, can be used for thoroughly solving the tailing pond seepage problem from the design, construction and operating stages, and is good in seepage effect, convenient in maintenance management, economical and durable.

The invention relates to a rolling vibration experimental platform, and belongs to the technical field of rolling vibration detection and experimental demonstration. The rolling vibration experimentalplatform includes an upper working roller; the upper working roller comprises a transmission side shaft end at a left end portion and an operation side shaft end at a right end portion; the transmission side shaft end is provided with at least one exciter for controlling the radial vibration of the upper working roller; the operation side shaft end is connected to a magnetic powder brake for controlling the torsional vibration of the upper working roller in the circumferential direction; and the magnetic powder brake is disposed coaxially with the upper working roller. The rolling vibration experimental platform can realize the radial vibration and torsional vibration of the upper working roller of a rolling mill; several vibration types can be independent of each other, and can form several combinations as needed; the experimental platform can achieve independent vibration and coupled vibration of torsional, vertical and horizontal vibration of the working roller, can reveal the internal mechanism and influence law of rolling vibration, can clarify the relationship between the quality of rolled products and rolling vibration, and can provide effective experimental data for the above research.

The invention relates to a laser visibility meter, which comprises a laser transmitting unit, a receiving unit and a signal acquiring and controlling unit, wherein the laser transmitting unit is composed of a laser, a transmitting telescope and a beam splitter, the receiving unit is composed of a receiving telescope and a filter, the signal acquiring and controlling unit is composed of a first photoelectric detector, a second photoelectric and an embedded computer, which are used for receiving laser signals, the front end of the transmitting telescope is provided with the beam splitter, the focal plane of the transmitting telescope is provided with the first photoelectric detector, the front end of the receiving telescope is provided with the filter, and the second photoelectric detector is arranged at the focal point of the receiving telescope. The laser visibility meter provided in the invention has the advantages of small volume, light weight, a compact structure, convenience in usage, a wide application scope, no need for cooperation targets, capability of adjusting metering angles at will and realizing visibility measurement in horizontal and slant ranges, low cost and convenience in operation and usage.

The invention discloses a thrust vector nozzle. The thrust vector nozzle is formed by serial connection of two function assemblies, wherein the two function assemblies are of the same structure and are arranged in a manner of 90-degree shaft staggered rotation in the flying direction. The two function assemblies include a first function assembly achieving the left and right deflection function and a second function assembly achieving the up and down deflection function. The front portion of the first function assembly is communicated with an engine exhaust pipe of an aircraft, and the front portion of the second function assembly is communicated with the rear portion of the first function assembly; or the front portion of the second function assembly is communicated with the engine exhaust pipe of the aircraft, and the front portion of the first function assembly is communicated with the rear portion of the second function assembly. The thrust vector nozzle has the advantages of being simple in structure, high in durability strength, good in structural part interchangeability, rapid and flexible in operation and reaction and good in invisibility.

The invention discloses an automatic rotary type planar locating laminating machine which comprises a rack, a laminating device, a display device and a control device. The laminating device comprises an upper laminating device and a lower laminating device, the lower laminating device is fixedly arranged on the upper surface of the rack, a shaft support is arranged on the side face of the front portion of the lower laminating device, the upper laminating device is arranged above the lower laminating device, the upper laminating device comprises a shaft connecting end and a laminating end, a horizontal shaft is fixedly arranged at the shaft connecting end, one end of the horizontal shaft is connected with the shaft support, the other end of the horizontal shaft is connected to the control device, a plurality of horizontal balls are arranged in the rack, and the horizontal balls make contact with the bottom surface of the lower laminating device. Compared with the prior art, the automatic rotary type planar locating laminating machine is capable of displaying the working state of the laminating machine in real time, the surfaces of laminated products are smooth, and laminating accuracy is high.

A tower crane with the function of adjusting the spatial position of a lifting component omnidirectionally belongs to the technical field of tower cranes. The tower crane comprises two parallel lifting mechanisms and a trolley with a slewing gear; the two parallel lifting mechanisms are installed back and forth on balance arms of the tower crane in the axis direction; the trolley is connected to a lower chord member of a crane jib, and slides along the crane jib; lifting steel wire ropes on the two lifting mechanisms are connected to wedged joints of the crane jib through a guide rope pulley block on a tower head, a lifting weight limiter, a trolley center guide rope pulley block, a slewing beam guide pulley block on the trolley and a lifting pulley block as well as a guide pulley block of the slewing beam, a central guide rope pulley block and two anti-twisting device pulleys at the end of the crane jib; the lift or decent of the lifting pulley blocks is controlled through the lifting mechanisms. In the invention, the + / - 90 DEG rotation function of the lifting component can be achieved, and the spatial position of the lifting component can be adjusted omnidirectionally; different lifting components can be rotated and adjusted in place on a construction side, and the efficiency and construction quality are improved in the lifting process.

The invention discloses a novel measuring-instrument supporting device for civil engineering. The novel measuring-instrument supporting device comprises a bottom plate device, a motor device arrangedon the bottom plate device, a first electric-cylinder device arranged on the motor device, a second electric-cylinder device arranged on the first electric-cylinder device, and a supporting device arranged on the second electric-cylinder device. The novel measuring-instrument supporting device disclosed by the invention has the beneficial effects that a measuring instrument can be stably fixed, lifting and rotation of the measuring instrument can be realized, horizontal or inclined placement of the measuring instrument can be realized, and different needs can be met, so that the application range is wide.

The invention discloses a high-speed railway ballastless track mortar layer horizontal drilling machine tool which comprises an articulation fixed base I (6), a motor left end fixing rack (7), a motor (8), a motor right end fixing rack (9), a driving wheel (10), a driving band (11), a rotating handle (12.1), a driven wheel (14), a drill stem fixing rack (15), an articulation fixed base II (16), a drill rod (17), a bracket (18) and a sliding rod (19). The high-speed railway ballastless track mortar layer horizontal drilling machine tool can be used for horizontally drilling a mortar layer by use of a limited construction space under the condition of not greatly changing a railway major structure, thereby providing a guarantee for subsequent construction and achieving the purpose of correcting a track plate; when in operation, the high-speed railway ballastless track mortar layer horizontal drilling machine tool has the characteristics of simple structure, short readiness time, convenience in operation and control, no region restriction and the like, can be used for performing horizontal drilling operation on the mortar layer under the condition of not damaging major structures, such as the track plate, the base and a bridge, and is capable of improving the stability in operation.

The invention discloses a plasma spraying head fixing frame which comprises a base or other similar structures with the function of the base, and further comprises two adjusting rods with a certain intersection angle. Moving sliding rails are arranged on the two adjusting rods, the two adjusting rods are connected through a rotatable connecting component, the connecting component is composed of a first connecting sleeve piece capable of achieving the vertical movement and a second connecting sleeve piece mainly achieving the horizontal movement, the first connecting sleeve piece and the second connecting sleeve piece are connected through a rotating shaft, sliding pair components are arranged on the connecting component, the two adjusting rods are sleeved with the sliding pair components respectively, one end of one adjusting rod is further provided with an adjustable connecting component for being fixedly connected with a spraying head, and the spraying head is fixed to an adapter component of the adjustable connecting component. According to the fixing frame, the aim that the spraying direction of the plasma spraying head can be precisely positioned to any direction can be achieved, and the production efficiency of spraying can be greatly improved.

The invention discloses a universal disassembling and assembling rack for a gun turret. The universal disassembling and assembling rack comprises a base, supporting systems and hexagonal reducing trays. The base comprises two bottom steel channels arranged in parallel and an adjusting steel channel for connecting the two bottom steel channels into an I shape. The adjusting steel channel comprises two sections which are fixedly connected with the opposite sides of the two bottom steel channels respectively. The opened ends of the two sections of the adjusting steel channel are connected through a bolt, and an adjusting oil cylinder is installed between the two sections of the adjusting steel channel. Each supporting system comprises a supporting oil cylinder and a supporting pillar which are vertically installed at the two ends of the corresponding bottom steel channel respectively. The universal disassembling and assembling rack further comprises supports which are installed on the upper surfaces of the bottom steel channels in a bias manner. The universal disassembling and assembling rack is used for carrying the gun turret and backwards drawing a barrel; corresponding checking, maintaining and repairing are convenient; barrel maintaining and replacing are achieved; and the universal disassembling and assembling rack is suitable for overhauling of various types of gun turrets, high in universality and capable of effectively reducing the research and equipment cost of troop tools.

The invention discloses a tunnel horizontal rotary jet construction method. The tunnel horizontal rotary jet construction method comprises the steps that a borehole is drilled by using a horizontal rotary jet drilling machine, wherein the horizontal rotary jet drilling machine comprises a movable machine body, a borehole supporting frame group, a rotary jet supporting frame group, a drilling device and a rotary jet device; the drilling device is withdrawn from the borehole after drilling is completed; the rotary jet device is sent to the tail end of the borehole after a drill rod is withdrawncompletely from the borehole; and pre-prepared cement slurry is supplied to a spray head assembly of the rotary jet device by using grouting equipment; the spray head assembly is started to enable thehigh-speed sprayed cement slurry to drive soft rock around the borehole to rotate, stir and melt into a whole; as the spray head assembly withdraws from the borehole while rotary jet grouting, a reinforced pile body is formed along a first type borehole from inside to outside; horizontal rotary jet grouting is stopped after the spray head assembly completely is withdrawn from the borehole; and after all the reinforced piles are solidified and the strength of an array-shaped stability system formed by the reinforced piles is tested to meet the requirements, large-section mechanical excavationis carried out to form a tunnel.

The invention discloses a wide angle auxiliary drawing tool. The wide angle auxiliary drawing tool comprises a positioning device and a sliding device. The positioning device comprises four positioning bases. The four positioning bases are respectively fixed on four corners of a drawing board, and used for fixing drawing paper. The sliding device comprises four groups of matched sliding rails andsliders. The sliding rails are connected together through the positioning bases. The sliders are installed between the sliding rails and the drawing board, and the sliders are translated along the sliding rails in a horizontal direction or a vertical direction. The interior of each of the sliders is provided with a capacitance grid sensing device, and a sensing layer is correspondingly applied oneach of the sliding rails, and used for measuring a translation distance of the slider on the sliding rail. The upper surfaces of the sliders are provided with an angle indicating device which is usedfor installing a straight ruler and providing the adjustment of any angles. Through moving the straight ruler by the sliders, the wide angle auxiliary drawing tool is capable of realizing horizontaland vertical lines in drawing, providing the selection of multiple angles, and displaying a moving distance, thereby improving the accuracy of the drawing paper and the working efficiency of drawing.

The invention discloses an aerial work platform for electric power construction. The aerial work platform for electric power construction comprises a base. A supporting base is mounted on one side of the top surface of the base. The top surface of the supporting base is connected with one side of the bottom surface of a transverse supporting arm. A lifting oil cylinder base is arranged on the other side of the transverse supporting arm. A lifting oil cylinder is connected to the center of the top surface of the lifting oil cylinder base. A lifting base is arranged on the top surface of the lifting oil cylinder. A telescopic arm connecting shaft is mounted on the side, where the lifting oil cylinder base is located, of the transverse supporting arm. The telescopic arm connecting shaft is sleeved with a big telescopic arm. The other end of the big telescopic arm is connected with an intermediate telescopic arm a. The other end of the intermediate telescopic arm a is connected with an intermediate telescopic arm b. The other end of the intermediate telescopic arm b is provided with an intermediate telescopic arm c. A small telescopic arm is mounted at the other end of the intermediate telescopic arm c. Supporting platform ribbed plates are arranged at the other end of the small telescopic arm. A supporting platform is mounted on the top surfaces of the supporting platform ribbed plates. By the adoption of the aerial work platform for electric power construction, the aerial work range is widened, and the aerial work platform can better adapt to the complexity and variability of electric power construction environments.

The invention relates to an agricultural tool profiling device. The agricultural machine profiling device comprises a suspension frame, a left profiling frame, a right profiling frame, a left profiling driving structure, a right profiling driving structure and a machine frame; the suspension frame is fixedly connected with a tractor; the machine frame is used for installing agricultural tools; thefront end of the left profiling frame and the front end of the right profiling frame are installed at the rear end of the suspension frame; the lower end of the left profiling frame and the lower endof the right profiling frame are rotationally connected with the frame; the upper end of the left profiling driving structure and the upper end of the right profiling driving structure are rotationally connected with the rear upper end of the suspension frame, and the lower end of the left profiling driving structure and the lower end of the right profiling driving structure are rotationally connected with the upper surface of the machine frame; and when the left profiling driving structure and the right profiling driving structure work, the left profiling frame and the right profiling framecan move relative to the suspension frame. Through the control of synchronous or asynchronous movement of the left profiling driving structure and the right profiling driving structure, the left profiling frame and the right profiling frame synchronously move relative to the suspension frame, so that vertical profiling of the machine frame can be realized, or the lower end of the left profiling frame and the lower end of the right profiling frame can rotate relative to the machine frame, so that the transverse inclination angle of the machine frame can be changed, so that horizontal profilingof the machine frame is realized. The problems that agricultural tools are suspended and mud is blocked during hole digging in a mud surface due to the fact that the mud bottom and the mud surface arenot flat is avoided, and operation quality is prevented from being influenced.

The invention discloses a railway waste truck disassembling method which comprises the following steps that 1, an RGV is operated to a previous cutting station, a telescopic hook mechanism extends out of a main truck body and is connected with a bottom plate of a railway waste truck, and the RGV drags materials to the next disassembling station; 2, the RGV moves to the position below the bottom plate through a shrinkage material hydraulic jacking platform, and a bogie is pushed to a bogie discharging station through a push rod mechanism; 3, the RGV returns to the position below the bottom plate, the material hydraulic jacking platform is lifted, and the bottom plate is carried to the next station; 4, when the RGV runs to the joint of a longitudinal guide rail and a transverse guide rail and stops, the truck body hydraulic jacking mechanism works, the main truck body is lifted, a longitudinal wheel set is separated from the rail, an auxiliary truck body sinks, and a transverse wheel set falls to the ground; and 5, the RGV runs along the transverse guide rail, the bottom plate is conveyed to a turnover mechanism, after the turnover mechanism fixes the bottom plate, the material hydraulic jacking mechanism shrinks, and the RGV leaves the station area. Meanwhile, vertical rail changing can be achieved, the working space is saved, and the operation efficiency is improved.

The invention relates to the technical field of battery cell production equipment, in particular to a carrying and conveying device of a battery cell. The carrying and conveying device comprises a machine frame, a fixed supporting base and a movable supporting base, wherein the fixed supporting base and the movable supporting base are provided with battery cell grooves correspondingly; the two sides of the machine frame are correspondingly provided with a horizontal moving mechanism used for driving the movable supporting base to move horizontally and perpendicular moving mechanisms used for driving the movable supporting base to move perpendicularly; and the machine frame is provided with a perpendicular driving part and a linkage mechanism used for enabling the perpendicular moving mechanisms on the two sides of the machine frame to be synchronized, and the perpendicular driving part is connected with the perpendicular moving mechanisms on the two sides of the machine frame through the linkage mechanism. According to the device, an electronic cam structure is formed by combining the horizontal moving mechanism and the perpendicular moving mechanisms so that the movable supportingbase can realize horizontal and perpendicular movement; and in addition, the perpendicular driving part works synchronously through the perpendicular moving mechanisms on the two sides of the machineframe by driving the linkage mechanism so that the movable supporting base can stably ascend and descend, and the long-distance battery cell conveying is realized.

The present invention belongs to the technical field of structure model impact loading, and especially relates to a structure model impact loading device. The device comprises a main frame, an impactmodule, a regulation seat and a displacement regulation module. The regulation seat comprises vertical plates and connection rods, installation holes penetrate the plate surfaces of the vertical plates, transmission rods penetrate the installation holes, the four transmission rods are distributed at four corner ends of the vertical plates in a square plate shape; an impact module is a pendulum bob; the device comprises a horizontal sliding support, a sliding rod of the horizontal sliding support is sleeved with a rotating sleeve, the horizontal sliding support is provided with a horizontal expansion valve, and the rotation sleeve penetrates the horizontal expansion valve to control the rotation sleeve to perform displacement motion in a horizontal direction along the sliding rod; a liftingrod is extended downwards at the outer wall of the rotation sleeve in a vertical direction, a vertical expansion valve is employed between the lifting rods and a bob rod of the pendulum bob to control the lifting rods and the bob rod to move to each other in opposite directions and move away from each other in opposite directions; and the pendulum bob controls the swing amplitude through a stay cord. The structure model impact loading device can achieve the purpose of single-point or multi-point impact at any position of a structure model.

The invention discloses a hemispheric lens matrix terahertz wave source with a novel material structure. An RTO matrix consisting of a plurality of RTO emitting units is arranged on the lower surface of a hemispheric lens and is positioned in the center of the lower surface of the hemispheric lens. The RTO matrix is a matrix consisting of 2*2-32*32 RTO emitting units. The width of a waveguide formed by the hemispheric lens matrix terahertz wave source with the novel material structure is different from that of an oscillator, and therefore a standing wave is formed between the oscillator and the waveguide. An RTD is connected with an upper electrode of the oscillator through a heat sink, and meanwhile, by changing the position of the RTD in the oscillator, oscillation of the oscillator in different frequency bands can be achieved. Due to the fact that the waveguide transmits a high-frequency electromagnetic wave and the loss is extremely low, a terahertz wave passes through the waveguide, then enters a slot antenna or a rectangular micro-strip patch antenna and is emitted finally, so that horizontal or vertical communication between chips is achieved. Under the current process conditions, the process difficulty does not need to be increased, and the power of RTO can be improved by more than ten times to few ten times.

The invention discloses a glass double-sided automatic polishing device, and belongs to the technical field of glass polishing devices. The glass double-sided automatic polishing device comprises a fixing table, a turn-over mechanism and a conveying mechanism, and the turn-over mechanism is arranged on the left side of the fixing table; and the turn-over mechanism comprises a first air cylinder arranged on the ground, a rack is arranged at the upper end of the first air cylinder, and a gear is meshed with the left side of the rack. According to the glass double-sided automatic polishing device, glass with different thicknesses can be polished through an adjusting mechanism, by rotating an adjusting block, a threaded rod can drive an adjusting rotary disc to do lifting motion, and the distance between the adjusting rotary disc and a fixed rotary disc is controlled, so that glass of different thicknesses is limited, polishing machining is completed, the adjusting mechanism is easy and rapid to adjust and convenient to use, meanwhile, a fourth air cylinder and a second motor are started, the second motor drives a polishing disc to rotate, the glass polishing operation efficiency of the device is greatly improved, and the device is more suitable for assembly line type production and high in efficiency.

A horizontal positioning device for a rotation electrode extruding machine is characterized in that the device is provided with a fixing supporting mechanism and a level locking mechanism. The fixing supporting mechanism comprises wedge blocks which are arranged on the two ends of the upper surface of a base, a V-shaped block which is fastened with a subplate is arranged between the wedge blocks, and bolt assemblies and jackscrews are arranged at the positions, corresponding to the side edges of the base, of the lower portions of the side edges of the wedge blocks. The level locking mechanism comprises a pair of fixed wedges and a pair of sliding boards, wherein the fixed wedges and the sliding blocks are fixed at the back portion of the base through bolts. A swallow tail block is embedded between the inner side surfaces of the two fixed wedges, a hydraulic cylinder is arranged on the front portion of the base through a hydraulic cylinder support, and movable wedges are fixedly connected with H-shaped blocks through bolts. One side of a cross beam is provided with a T-shaped groove, one side of each H-shaped block is embedded into a T-shaped groove in the corresponding sliding board, and the head portion of a piston rod of the hydraulic cylinder is connected with the front end of the cross beam through a hinge. The horizontal positioning device for the rotation electrode extruding machine dose not vibrate in an extrusion course when the device is in horizontality, and guarantees the stability and reliability of the velocity in the extrusion course of a product. Accordingly, product quality is improved, and an electrode of high quality is manufactured through extruding.

The invention discloses a raw batter pile driving construction method and a variable amplitude static pile press for implementing the method. The construction method comprises the following steps of placing the pile press in place, placing and debugging the pile press, horizontally calibrating the pile press, calibrating the pile pressing position, calibrating the pile pressing inclination degree,hoisting and feeding a pile, pressing the pile, and constructing a next batter pile to be constructed. According to the construction method, a plurality of batter piles in the same row can be completed by once leveling and moving the pile press, the construction operation of the plurality of batter piles in each row only needs displacement without repeated pile press moving and leveling, construction efficiency is improved, and the cost is saved. According to the variable amplitude static pile press, the transverse moving distance is increased through a long ship, once the pile press is movedand leveled, only displacement of a hydraulic pile press mechanism is needed, the multiple batter piles in the same row can be completed, and the construction speed is improved.

The invention relates to an aluminum profile material hole sealing device comprising a hole sealing groove and a conveying mechanism. The hole sealing groove is internally filled with hole sealing liquid. A heating device used for heating the hole sealing liquid is arranged in the hole sealing groove. A plurality of floating balls used for thermal insulation float on the liquid face of the hole sealing liquid. A groove cover covers an opening of the hole sealing groove and comprises two fixed plates connected to the two sides of the top of the hole sealing groove correspondingly. The oppositesides of the two fixed plates are each slidably connected with a movable plate. A channel through which an aluminum profile material can penetrate can be formed between the two movable plates. The movable plates are L-shaped plates. The horizontal parts of the movable plates are inserted to the fixed plates. The vertical parts of the movable plates extend perpendicularly downwards and are locatedbelow the liquid face of the hole sealing liquid. The fixed plates and the movable plates are connected through first air cylinders. The fixed ends of the first air cylinders are connected to the fixed plates. The piston ends of the first air cylinders are connected to the movable plates. The invention further discloses an aluminum profile material production line and production method. The automation degree is high, thermal efficiency of the heating device is high, the service life of the aluminum profile material hole sealing device is long, and machining cost is low.

The invention discloses lifting equipment. The lifting equipment comprises a vertical frame body provided with a vertical sliding rail, wherein the end portion of an operation rod is movably arranged on the vertical sliding rail through a first rolling shaft in an erected mode, the top end of the vertical frame body is provided with a rotary shaft driven by a lifting motor, the operation rod is connected with a sliding cable, and the other end of the sliding cable is wound around the rotary shaft and is connected with a balance body; the end portion of the operation rod is movably arranged on a transverse frame body through a second rolling shaft in an erected mode, the transverse frame body is provided with a transverse sliding rail, the transverse frame body is movably arranged on the vertical sliding rail through the first rolling shaft in an erected mode, the transverse frame body is provided with a screw driven by a transverse moving motor, and the operation rod is provided with a nut matched with the screw. The lifting equipment is better in safety performance, more stable in center of gravity and more reasonable in structure.