71results about How to "Play the role of limit guide" patented technology

The invention discloses bending piece detection equipment which solves the problem that in the prior art, a bending piece needs to be taken down from detection equipment in a manual mode. According to the technical scheme, the bending piece detection equipment comprises a rack; and a positioning and detection mechanism used for detecting the bending condition of the bending face on a workpiece, a material collecting part, and a wafting mechanism used for wafting detected defective products into the material collecting part. The defective products are wafted into the material collecting part through the wafting mechanism, the bending piece does not need to be taken down in the manual mode, the automation degree is high, and the detecting efficiency of the equipment is greatly improved.

The invention relates to the field of road engineering, in particular to cement road surface grinding flattening equipment for traffic. The cement road surface grinding flattening equipment for the traffic comprises a vehicle body, and further comprises a double-side grinding fattening mechanism and a front-and-rear grinding fattening mechanism, wherein the double-side grinding fattening mechanismcomprises two adjusting grinding flattening assemblies and a first lifting assembly, the two adjusting grinding flattening assemblies each comprise an upward folding assembly and a horizontal foldingassembly, each upward folding assembly and each horizontal folding assembly each comprise a first cement leveling machine, the front-and-back grinding flattening mechanism comprises a front grindingflattening assembly and a rear grinding flattening assembly, the front grinding flattening assembly and the rear grinding flattening assembly each comprise a second lifting assembly and a lifting plate, a plurality of second cement leveling machines are arranged at the bottom of each lifting plate, the lifting plates are horizontally arranged below the second lifting assemblies, and the tops of the lifting plates are in transmission connection with the working ends of the second lifting assemblies. According to the cement road surface grinding flattening equipment for the traffic, people onlyneed to seat on the vehicle body for operation, moreover, adjustment can be performed according to the widths of different roads, and the grinding flattening efficiency is improved.

The invention discloses a heat transfer heat-sensitive temperature controller. The heat transfer heat-sensitive temperature controller comprises a temperature controller main body and a metal bracket,wherein the temperature controller main body is provided with a plugging head; the metal bracket is arranged on a heating plate at the bottom of a kettle body and is in heat-conduction connection with the heating plate; the metal bracket is in heat-conduction connection with a boiling water spring plate; the temperature controller main body is provided with two conductive assemblies which are separately in conductive connection with a positive pole and a negative pole of the plugging head; the two conductive assemblies are a first conductive assembly and a second conductive assembly separately; the first conductive assembly comprises a first movable contact piece A and a conductive mechanism; a static end of the first movable contact piece A is conductively connected with the plugging head; the movable end of the first movable contact piece A is tightly pressed on the conductive mechanism; and a first ceramic column penetrates through the metal bracket and is positioned between the boiling water spring plate and the movable end of the first movable contact piece A. The heat transfer heat-sensitive temperature controller is simple in structure, is mounted on the heating plate at the bottom of the kettle body, can enable an electric kettle to be switched off in a heat-conduction manner when water is boiling, and is safe to use.

The invention relates to an electric spark machine tool machining system which comprises a supporting top plate, positioning mechanisms and a welding device. The positioning mechanisms are symmetrically mounted at the bottom of the supporting top plate; the welding device is mounted on the lower end face of the middle of the supporting top plate; the positioning mechanisms comprise positioning multi-stage push rods, positioning pressing plates, positioning plates, pushing push rods and push rod connecting frames; and the welding device comprises a welding electric sliding block, a welding position push rod, a welding supporting plate, welding side plates, a sliding mechanism, baffle mechanisms, welding mechanisms and clearing and polishing mechanisms. According to the electric spark machine tool machining system, the difficult problems that when a guiding rail of an existing electric spark machine tool is welded, the position of the guiding rail cannot be automatically corrected, the guiding rail shakes during welding, welding slag splashes everywhere during welding of the guiding rail, when the guiding rail is welded, the welding angle is changed, consequently the welding effect is poor, when discarded, welding rod ends are likely to be pasted to the machine tool, and post-welding treatment cannot be automatically conducted on the guiding rail can be solved.

The invention discloses a multi-functional turtle wagon. The multi-functional turtle wagon comprises a plurality of supporting panels and casters arranged at the bottoms of the supporting panels, wherein a splicing fixing piece is arranged on each supporting panel; the supporting panels can be freely spliced; a caster storing space is arranged at the bottom of each supporting panel; the casters are mounted on each supporting panel through a hinging seat; and each caster has a first working position which is perpendicular to the corresponding supporting panel after being unfolded, and a secondworking position which is folded, retracted and put in the corresponding caster storing space. According to the multi-functional turtle wagon disclosed by the invention, the casters can be retracted and put, so that the turtle wagon are more convenient to store and transport, and in the process of storage and transportation, the casters are avoided from being damaged; and besides, the supporting panels can be convenient to splice, so that the situation that the turtle wagon can meet the using of various occasions is guaranteed.

The invention discloses a profile translation perforating mechanism, and belongs to the field of building material machining mechanical equipment. According to the profile translation perforating mechanism, a translation pushing mechanism is horizontally arranged on one side of a fixed support; a perforating mechanism is vertically arranged at the position, on one side of the translation pushing mechanism, of the fixed support; a lifting bearing plate is horizontally arranged in the middle of a perforating support; a perforating pressing plate slides in the vertical direction to be arranged onperforating guide rods; a lifting pressing plate is fixedly arranged at the output ends of perforating air cylinders; a clamping base is horizontally arranged on the upper side of a pushing support of the translation pushing mechanism; the output end of an adjusting air cylinder on one side of the pushing support is fixedly connected with the middle of one side of the clamping base; a clamping air cylinder is arranged at the upper end of a clamping pressing rod by inclining downwards; and a sundry suction guide pipe is vertically arranged on one side of the fixed support. The profile translation perforating mechanism is reasonable in structural design, profiles of multiple dimensions can be fast and efficiently subjected to section-by-section accurate translation feeding for perforating machining, the profile machining efficiency and quality can be improved, and the machining use requirement can be met.

The invention discloses a prefabricated stair component mechanical property detection system, which comprises a pressing mechanism, a translation bearing mechanism and a pressure transmission component, wherein the pressing mechanism is used for applying vertically downward pressure to a stair component by utilizing hydraulic pressure; the translation bearing mechanism is arranged below the pressing mechanism and has the horizontal translation freedom degree of moving out from the position under the pressing mechanism; the translation bearing mechanism is further provided with rollers making contact with the lower surface of the stair component, the rollers comprise the upper roller and the lower roller which are horizontal and parallel to each other, and the upper roller and the lower roller are not located at the same horizontal height and make linear contact with the stair component; and the pressure transmission component is arranged between the pressing mechanism and the stair component, the lower surface of the pressure transmission component makes contact with the multiple stepping faces on the stair component, and the upper surface of the pressure transmission component isprovided with a horizontal plane making contact with the pressing mechanism. When the system is used for the pressing test of the stair component, the action is efficient, and the experimental data isaccurate.

The invention provides an ideological and political classroom education interaction device. The device comprises a base, a supporting frame installed on the upper end face of the base, and a top framefixed to the upper end of the supporting frame, a screw rod is arranged on one side in the top frame, the end, away from a bearing, of the lead screw penetrates the top frame, extends to the outer side of the top frame and is fixedly connected with the output end of a small motor, the lead screw is sleeved with a ball nut pair, a cross rod is mounted on the outer surface of the ball nut pair, a guide sleeve is fixed to the end, away from the ball nut pair, of the cross rod, a guide rod is inserted into the guide sleeve, two metal shaping hoses are symmetrically mounted on the outer surface ofthe cross rod, and the end, away from the cross rod, of each metal shaping hose is fixedly connected with a strip-shaped acrylic magnifying glass. Compared with like products in the prior art, the device of the invention has the following advantages: the device has the function of amplifying characters on a manuscript or a book, a speaker is prevented from lowering the head to check or take up the manuscript or the book, and the effect of flexibly supporting the arms of the speaker is further achieved.

The invention discloses a manual corrugated pipe edge overturning tool. The manual corrugated pipe edge overturning tool comprises a first sleeve and a second sleeve which are detachably connected; the end, away from the second sleeve, of the first sleeve is provided with a push rod insert-in port; the end, close to the second sleeve, of the first sleeve is provided with a knocking head stretch-out port; a push rod is arranged in the first sleeve in a penetrating manner; a knocking head is integrally formed on the end portion of the end, inserted into the first sleeve, of the push rod and canstretch into the second sleeve through the stretch-out port; the end, away from the first sleeve, of the second sleeve is provided with a corrugated pipe insert-in port in which a corrugated pipe is inserted in; the side wall of the second sleeve is further provided with a caliper gauge insert-in port in which a caliper gauge clamping assembly is inserted and connected; and the corrugated pipe canbe clamped and fixed by the caliper gauge clamping assembly. The manual corrugated pipe edge overturning tool solves the problems that a special convenient and fast manual tool for corrugated pipe end portion extruding and edge overturning is lacking in a current machining tool and equipment, and consequently the edge overturning operation of the corrugated pipe is tedious and wastes time are solved.

The invention belongs to the technical field of communication cables, and particularly relates to an automatic communication cable laying device. The automatic communication cable laying device comprises a bottom plate and a rectangular groove body, the rectangular groove body is fixedly connected to the upper end of the bottom plate, a movement adjusting mechanism is arranged at the lower end of the bottom plate, a rectangular through groove penetrating through the side wall of the rectangular groove body is formed in the upper end of the rectangular groove body, a belt conveyor used for conveying a cable is arranged in the rectangular through groove, an L-shaped support is fixedly connected to the side wall of the rectangular groove body, a driving motor used for driving the belt conveyor is fixedly connected to the outer side wall of the L-shaped support, a pressing and guiding mechanism used for assisting in conveying the cable is arranged on the side wall of the rectangular groove body, and the pressing and guiding mechanism is correspondingly connected to the upper end of the cable and is arranged opposite to the belt conveyor. According to the automatic communication cable laying device, the cable is paid off and conveyed through the driving motor and a transmission mechanism, so that the laying efficiency is improved, meanwhile, the labor intensity of workers can be reduced, and manpower waste is avoided.

The invention discloses a forest resource carbon sink assessment and collection system based on multi-source spatial data, which comprises a collection box, four corners of the bottom end of the collection box are fixedly connected with fixed vertical rods, the bottom ends of the four fixed vertical rods are provided with moving wheels, one side of the collection box is provided with a soil extraction and collection mechanism, and the other side of the collection box is provided with a soil sampling and collection mechanism. Soil in a forest is taken out to serve as a detection sample by utilizing the sampling barrel, soil at different positions can be classified and placed in different storage cavities, and a driving motor and a lead screw can drive a moving block and an extending block to move, so that the sampling barrel can move to one side of the corresponding storage cavity; the hydraulic telescopic rod and the rotating motor can drive the sampling barrel to lift and rotate, so that the sampling barrel is gradually embedded into the soil of the forest to sample and collect the soil, the content of carbon in the soil of the forest can be conveniently compared and detected subsequently, and sampling can be carried out from different positions and placed in the storage cavities in a classified manner.

The invention discloses a clamping device for dining table production cutting. The device comprises a platform, a measuring scale mechanism and a side edge guiding and limiting mechanism are installed on the platform, and a pushing mechanism and a pressing mechanism are installed on the measuring scale mechanism; the measuring scale mechanism comprises a strip-shaped plate fixedly arranged on the base surface of the platform, and a sliding groove is formed in the base surface of the strip-shaped plate; the side edge guiding and limiting mechanism comprises two fixing plates which are symmetrically arranged, a first lead screw is rotatably connected to the side walls of the two fixing plates in a penetrating manner, and a T-shaped plate is connected to the outer wall of the first lead screw in a threaded and penetrating manner; and the pushing mechanism comprises two connecting plates which are symmetrically arranged, and an L-shaped pushing plate is fixedly connected to the side wall of a movable block. The invention relates to the technical field of dining table production. The problems that before a dining table production plate is cut, a worker needs to measure with a measuring ruler, then scribe lines, place the plate on a machining platform and fix the plate according to the scribing position, operation is troublesome, and the cutting efficiency is greatly affected are solved.

The invention discloses a free lifting device for logistics carrying, which comprises a bottom plate, wherein wheels are fixedly mounted on the outer surface of the lower end of the bottom plate, a power assembly is arranged on one sides of the wheels, a stabilizing mechanism is fixedly connected to the middle of the outer surface of the lower end of the bottom plate, a control box is fixedly mounted on the left side of the outer surface of the upper end of the bottom plate, an adjusting mechanism is arranged at the left end of the outer surface of the upper end of the bottom plate, a pushing handle is fixedly installed on the outer surface of the upper end of the adjusting mechanism, a lifting frame is arranged in the middle of the outer surface of the upper end of the bottom plate, a telescopic air cylinder is arranged between the lifting frame and the bottom plate, and a carrying plate is fixedly connected to the outer surface of the upper end of the lifting frame. The free lifting device for logistics carrying has the advantages that the height of the pushing handle is convenient to adjust, the free lifting device adapts to people of different heights, goods loading is more stable, the baffles are convenient to mount and dismount, and better use prospects are brought.

The invention discloses a liquid level detection device. The liquid level detection device comprises a controller, an input module, a trigger alarm switch, an alertor, a buoyancy lifting device, a guide rail mechanism, a trigger motor, a pulling device, a stepping mechanism, an arc fanning mechanism, a clearance maneuver device and an alloy shell. Through arrangement of an air pump, an air tube, an air outlet valve and an air outlet pipe, air pressure in an air cavity in a floating ball can be adjusted, and the effect of adjusting sensitivity of the floating ball is achieved. The liquid leveldetection device can be applied to liquid level detection with different specific gravity, the universal property is high, and market popularity is facilitated. Through arrangement of an electric telescopic rod, height of the floating ball can be adjusted, and further the effect of adjusting detected target liquid level can be achieved.

The invention relates to a quick charging device for a new energy automobile. The quick charging device comprises a charging pile shell and a charging head jack, the charging pile shell is provided with the charging head jack, the outer side wall of the charging pile shell is fixedly connected with a sealing pipe, and the sealing pipe covers the charging head jack. According to the invention, the sealing pipe is additionally arranged outside the charging head jack, and the sealing pipe can play a role in shielding the charging head jack, so that dust or rainwater can be prevented from being deposited in the charging head jack through the sealing pipe when charging is not carried out, and meanwhile, in the charging process, rainwater can be prevented from making contact with the contact position of the charging head jack and the charging gun head through the sealing pipe, and then the effect of safe charging is achieved.

The invention relates to a collection, recycle and treatment technology for a foamed plastic advertising baseboard. The technology adopts a collection, recycle and treatment device for a foamed plastic advertising baseboard. The collection, recycle and treatment device for the foamed plastic advertising baseboard comprises a belt conveyor, a cutting device and a smashing device. The collection, recycle and treatment technology for the foamed plastic advertising baseboard adopts a work structure of cutting-smashing integrated formation for collecting, recycling and treating the foamed plastic advertising baseboard, the work process is simplified to a certain extent, the work time is shortened, a synchronous debris suction removal structure is adopted in the process of slitting the advertising baseboard, and the probability of the phenomenon that the debris flies everywhere and is adsorbed on equipment is lowered.

The invention relates to the technical field of photovoltaic power generation, particularly to a leveling device of a photovoltaic power generation system. The leveling device comprises a cross beam and a border for mounting a photovoltaic panel, wherein one side surface of the cross beam is fixedly connected with a connecting plate for connecting the border, two round holes for inserting bolts are symmetrically formed in the upper surface of the connecting plate, strip-shaped grooves are formed in the two sides, in the length direction of the connecting plate, of the round hole, rubber pads used for supporting gaps between the border and the connecting plate are arranged in the strip-shaped grooves, two guide rods matched with guide holes are symmetrically installed on the lower surfacesof the rubber pads, an internal threaded cylinder is arranged between the two guide rods, first magnet blocks are installed in the middles of the lower surfaces of the rubber pads, a threaded column is in threaded connection with the interior of the inner threaded cylinder, and a second magnet block repelling the first magnet block is installed on the face, facing the rubber pad, of the threaded column. Compared with the prior art, the leveling device of the invention has the following beneficial effects that the gap between the border and the connecting plate is filled, and the photovoltaic panel in the border is prevented from being damaged due to uneven stress.

The invention relates to an intravenous needle handle discharging device which comprises a rack, a feeder and a conveying material channel used for conveying needle handles, wherein the feeder is provided with one or a group of output ports, fixed on the rack, and capable of orderly conveying the needle handles onto the conveying material channel in the unified direction of the output ports. By adoption of the above technical scheme, the needle handles can be orderly conveyed, positioned and transferred, automatic feeding of the needle handles can be realized, and an automation foundation is provided for subsequent assembling operation; compared with manual feeding, the intravenous needle handle discharging device has the advantages that the working efficiency is improved and the pollution possibility is lowered; huge energy consumption and huge production space are not needed, so that the feeding cost is greatly reduced; meanwhile, a material stopping mechanism is arranged, so that accumulation of the needle handles as well as the impacts on output and assembling operation of the needle handles can be effectively avoided; and the assembling efficiency is improved.

The invention discloses a steel pipe cutting device comprising a rack. The top of the rack is provided with a protective cover, and the side wall of the protective cover is provided with an overturning cover; a steel pipe positioning mechanism is arranged at the top of the rack and located in an inner cavity of the protective cover, the steel pipe positioning mechanism comprises a positioning pipefixed to the side wall of the protective cover through a bearing seat, the inner end portion of the positioning pipe is provided with a disc-shaped central block provided with a through hole in the middle, the inner part of the central block is provided with a bevel gear, and the side wall of the bevel gear is provided with a spiral groove; the outer side wall of the central block is provided with a plurality of limiting sliding slots connected with the through hole, clamping blocks are embedded in the limiting sliding slots, and the bottoms of the clamping blocks are provided with protrudingstrips matched with the spiral groove; and the top of the rack is provided with a steel pipe cutting mechanism matched with the steel pipe positioning mechanism. According to the steel pipe cutting device, when steel pipes are cut, the steel pipes with different thicknesses can be fixed, and the cutting quality is ensured; and cutting is performed in a closed space, and generated spark debris does not splash everywhere.

The invention discloses an underground coal mine gas purification device and a purification method thereof, and relates to the technical field of gas purification, in particular to an underground coal mine gas purification device and a purification method thereof. The device comprises a gas purification box and a cleaning brush, a driving air cylinder is installed in the gas purification box, the right side of the driving air cylinder is connected with a telescopic rod, a linkage plate is connected to the right side of the telescopic rod, a fixing pile is installed on the right side of the linkage plate, the cleaning brush is installed at the position, away from the horizontal center line of the fixing pile, of the telescopic column, a water absorption cotton plate is arranged above an elastic plate, and heating rods are installed on the left side and the right side of the upper portion of the water absorption cotton plate correspondingly. According to the underground coal mine gas purification device and the purification method thereof, a driving air cylinder is arranged and can drive a linkage plate to move rightwards through a telescopic rod, a fixed pile and a cleaning brush can be driven to move along with the linkage plate in the rightward moving process, and the moving cleaning brush can sweep a separation net plate and the gas purification box.

The invention discloses an equipment device of an automobile sheet metal stamping die, and relates to the technical field of sheet metal production, the equipment device comprises sheet metal stamping equipment, the upper part of the sheet metal stamping equipment is provided with a workbench, the upper part of the workbench is provided with a sheet metal fixing assembly, and the rear side far away from the sheet metal fixing assembly is provided with a blanking cleaning assembly; a metal plate storage box is arranged on the front face of the metal plate stamping equipment. By arranging the metal plate fixing assembly and the discharging cleaning assembly, metal plates can be well protected to reduce abrasion while fixing is conducted, clamping and fixing of the metal plates of different sizes are achieved through the telescopic length of a first electric telescopic rod, the flexibility is high, and the practicability is high. The discharging cleaning assembly facilitates storage and arrangement of machined metal plates so as to be transported, and after the elastic outer plate pushes the metal plates, cleaning work is conducted on the surface of the workbench through a cleaning brush, so that the cleanliness of the workbench is improved, cleaning work is conducted while discharging is conducted, the structure is simple, and operation is convenient and fast.

The invention discloses a profile stretch bending device for aircraft manufacturing, and relates to the technical field of aircraft profile machining. The profile stretch bending device particularly comprises a base, a pressing mechanism, a clamping mechanism and a detecting mechanism. A mounting rack is welded to the outer wall of one side of the base, and the pressing mechanism comprises a hydraulic cylinder and a bending head. The hydraulic cylinder is fixedly mounted on the outer wall of the top of the mounting rack through a bolt. The output end of the mounting rack is fixed to the outerwall of the top of the bending head. The clamping mechanism comprises two connecting arms, two connecting frames, two first clamping plates and two second clamping plates. According to the profile stretch bending device, the pressing mechanism is arranged, and therefore a profile can be bent; the clamping mechanism is arranged, and therefore the two ends of the profile can be clamped, and the workstability is guaranteed; the first clamping plates are mounted on the inner walls of the connecting frames through shafts and bearings, and therefore the angle can be changed in real time when the profile deforms; and the profile is prevented from being damaged, and meanwhile the service life of the device is prolonged

A transformer provided with guide sliding blocks and driven by a chain comprises a transformer body (1), a transformer body base (2) and an installation frame (3), wherein the transformer body (1) comprises an iron core coil assembly and a lead. The bottom side face of the installation frame (3) is used for being fixedly connected with a transformer placing building body. The transformer body base (2) is fixedly connected to the bottom of the transformer body (1) and comprises at least two base strips (20). Each base strip (20) is provided with a protruding joint part (24) on the upper portion and a width extension part (241) below the protruding joint part (24), wherein the width extension part (241) extends outwards in the width direction. The upper side of each width extension part (241) is covered with an upper elastic pad (23), the left and right sides of each width extension part (241) are covered with side elastic pads (22), and two guide sliding blocks (21) are arranged on the lower side of each width extension part (241). An inverted U-shaped groove (240) is formed in the portion, between the two guide sliding blocks, of the bottom of each base strip (20), and driving screws (34) can penetrate through the inverted U-shaped grooves (240) in a clearance mode.

The invention belongs to the technical field of logistics management, and particularly relates to an intelligent inventory system based on an RFID identification technology and printing equipment. Thesystem comprises an inventory module, an arrangement module, a scanning and printing module, and recording modules. The inventory module includes a main conveyor belt and an inventory mechanism installed on the outside of the main conveyor belt. The rear side of the main conveyor belt is provided with a horizontal conveyor belt. Driving rollers at the left and right ends of the horizontal conveyor belt are respectively connected to a first motor and a second motor. The outsides of a second conveyor belt and a first conveyor belt on the left and right sides of the horizontal conveyor belt areequipped with printing mechanisms. The recording modules are fixedly installed at the tail ends of the second conveyor belt and the first conveyor belt on the rear sides of the printing mechanisms, the inventory module can scan and recognize identification codes on goods for checking and recording, the goods are conveyed to the second conveyor belt and the first conveyor belt in a classified modethrough the arrangement module, and then printing verification work is conducted through the printing mechanisms. And finally, the recording modules record the verification information, so that high-efficiency and low-error-rate automatic checking, arrangement and verification work is realized.

The invention relates to the technical field of steel bar detection, in particular to a steel bar diameter measuring device which comprises a box body, a detachable box cover is installed on the upper surface of the box body, a first baffle and a second baffle which are used for limiting the position of a steel bar are symmetrically installed on the upper surface of the box cover, and a plurality of indicator lamps are sequentially installed on one side face of the box body from top to bottom. A vertically-arranged carrying plate is fixed to the inner surface of the box body, a plurality of travel switches electrically connected with an external power source are installed on one side face of the carrying plate from top to bottom according to the diameter of a steel bar, a through hole is formed in the middle of the upper surface of the box cover, a cylinder sleeve is arranged on the upper side of the through hole, a rubber sleeve is pasted in the cylinder sleeve, and the lower end of the pressing rod is equipped with a pressing block for pressing the travel switches. Compared with the prior art, the steel bar diameter measuring device has the following beneficial effects that rapid detection of the steel bar diameter is realized, and the steel bar quality detection efficiency is improved.

The invention discloses a liquid pipeline bubble alarm device for tobacco equipment. The liquid pipeline bubble alarm device structurally comprises a transition detection pipeline, a first pipeline, afirst protection ring, a power connection pipe, a buzzer, a buoyancy alarm device, a second protection ring and a second pipeline, wherein the first protection ring is nested at the left end of the first pipeline, the first pipeline is electrically welded to the left end of the first protection ring and is collinear with the axis of the first pipeline, the buoyancy alarm device is mechanically connected above the transition detection pipeline, the buzzer is vertically fixed above the buoyancy alarm device, the power connection pipe is electrically connected to the right side of the buzzer, the second protection ring is vertically fixed on the left side of the transition detection pipeline, and the second protection ring is symmetric to the first protection ring. According to the buoyancyalarm device, when bubbles are generated in the equipment, the generated bubbles can jack up the a floating ball to enable the equipment to be started and intermittently send out mechanical signals toenable an alarm to be triggered intermittently and send out intermittent alarm sounds to remind people of problems in the accuracy of the equipment.

The invention discloses a material temperature measuring device for a soaking furnace. The material temperature measuring device comprises a cylinder passing through a furnace wall, a guiding mechanism, and a driving mechanism. Four metal rods penetrate the cylinder; and two of the four metal rods are nickel-chromium alloy rods and the other two rods are nickel-silicon alloy rods. Guiding wheels are fixed on a rack and are in contact with the outer surface of the cylinder. The driving mechanism drives the cylinder to make axial reciprocating motion. A longitudinal insulating plate is arrangedinside the cylinder along the axial direction and separates the four metal rods mutually. A plurality of horizontal insulating plates are arranged inside the cylinder along the direction perpendicularto the axial direction and are distributed at intervals; and the horizontal insulating plates and the longitudinal insulating plate are fixed mutually. Lead screws are arranged at the tails of the metal rods. A limiting plate protruding radially is arranged at the shaft end of one side of the cylinder; and internal threads cooperating with the lead screws are formed in the limiting plates. Therefore, the temperature of the aluminum alloy ingot in the furnace can be measured accurately; the material temperature measuring device can be utilized repeatedly; and the temperature measuring is donequickly and efficiently.

The invention discloses a prefabricated slab component mechanical property detection system which comprises a pressing mechanism for applying vertically downward pressure to a rectangular plate component by using hydraulic pressure; a translation bearing mechanism which is arranged below the pressing mechanism and has the horizontal translation freedom degree of moving out from the position underthe pressing mechanism and is also provided with a rolling shaft support and a hemisphere support which are in contact with the lower surface of the plate component, wherein the rolling shaft supportis in linear contact with the plate component, the hemispherical support and the plate member form point contact, the rolling shaft support comprises a first rolling shaft support and a second rollingshaft support, the first rolling shaft support and the second rolling shaft support are in contact with a pair of opposite angles of the plate component respectively, the axis of the first rolling shaft support and the axis of the second rolling shaft support are perpendicular to each other, and the other pair of opposite angles of the plate component are each in contact with the hemispherical support; and a pressure transmission component which is arranged between the pressing mechanism and the plate component. When the system is adopted to perform he pressing test on the plate component theaction is efficient, and horizontal translation or autorotation fine adjustment of the plate component is facilitated.