1863 results about "Portal frame" patented technology

The invention provides an automatic positioning welding robot, and belongs to the technical field of automatic welding. Comprising a rack, the top of the rack is slidably provided with a portal frame, the top of the portal frame is slidably provided with a bearing frame, the top of the bearing frame is fixedly connected with a first electric push rod, the telescopic end of the first electric push rod is fixedly connected with a case, the bottom of the case is fixedly connected with a laser vision sensor, and the bottom of the case is provided with a mounting frame. The laser vision sensor is linked with the posture adjusting assembly and the transverse linear module, the problem that traditional automatic welding equipment cannot adapt to weld joint misalignment and gap changes is solved, the center position and the misalignment amount of a weld joint can be obtained before welding and in the welding process, and the welding quality is improved. The posture adjusting mechanism is driven to adjust the transverse position and the inclination angle of the welding gun, it is ensured that the arc of the welding gun is always accurately centered, the defects of undercut, incomplete fusion and the like caused by misalignment are effectively prevented, and the quality of a welded joint is improved.

The invention provides intelligent assembly welding equipment with a visual blind area compensation function and a verification method of the intelligent assembly welding equipment, and relates to the technical field of intelligent visual assembly welding. The intelligent assembly welding equipment comprises a portal frame, a workbench, a plurality of front line scanning visual detectors, a plurality of rear line scanning visual detectors and a plurality of welding mechanical arms, ground rails are arranged on the left side and the right side of the workbench correspondingly, and the welding mechanical arms are arranged on the sky rails on the front side face and the rear side face of the portal frame correspondingly. The front line scanning visual detectors and the rear line scanning visual detectors are sequentially and alternately arranged below the cross beam from left to right, the front line scanning visual detectors are used for conducting line scanning detection on the lower portion of the portal frame from front to back, and the rear line scanning visual detectors are used for conducting line scanning detection on the lower portion of the portal frame from back to front. And the long sides of the plurality of front line scanning visual detectors and the long sides of the plurality of rear line scanning visual detectors are arranged in parallel.

The invention relates to the technical field of temporary wafer bonding, in particular to a high-precision wafer alignment device, and mainly solves the technical problem that a wafer alignment device is low in precision. The device comprises a rack, a visual mechanism, an adsorption platen, an XYZ three-axis platform, a rotating platform and an adjusting platform, the rack comprises a base and a portal frame, the visual mechanism is installed above a cross beam of the portal frame, the adsorption platen is fixed below the cross beam of the portal frame, the XYZ three-axis platform is installed on the base and located on the inner side of the portal frame, and the rotating platform is installed on the XYZ three-axis platform. The adjusting platform comprises a bottom plate, a top plate and leveling assemblies, the bottom plate is fixed to the rotating platform, and the leveling assemblies are connected between the bottom plate and the top plate and distributed at intervals in the circumferential direction. According to the device, on one hand, position calibration of the lower wafer and the upper wafer can be achieved, on the other hand, precision reduction caused by taking down, transferring and placing can be avoided, the precision of the upper wafer and the lower wafer when the upper wafer and the lower wafer are finally fixed can be guaranteed through cooperation of the two aspects, and therefore the process requirement is met.

The invention relates to the technical field of spraying and drying of folding boxes, and particularly discloses a gantry type spraying and drying integrated device suitable for folding boxes, which comprises a base, a conveying belt is fixedly connected to the top of the base, and portal frames are fixedly connected to the positions, located on the two sides of the conveying belt, of the top of the base. A spraying device is fixedly connected to the bottom of a cross beam of the portal frame, a nozzle cleaning device is fixedly connected to one side of the portal frame, a drying device is fixedly connected to the part, located on one side of the portal frame, of the top of the base, and a cooling device is fixedly connected to the part, located on one side of the drying device, of the top of the base. The spraying device comprises a first connecting plate, the bottom of the first connecting plate is fixedly connected with a mechanical arm, and the movable end of the mechanical arm is fixedly connected with a second connecting plate. According to the gantry type spraying and drying integrated device suitable for the folding box, the purpose of achieving integrated continuous operation of spraying, drying and cooling is achieved.

The invention relates to the technical field of fire reason investigation, and particularly discloses a heat radiation test device with an adjustable test rack, which comprises a heat radiation rack and a test rack, a radiation source is mounted on the heat radiation frame; the test rack is in a portal shape, the left end and the right end of the test rack are sleeved with sliding supports with the adjustable height respectively, and locking assemblies are installed on the sliding supports. The device further comprises a horizontally-arranged rotating rod, the two ends of the rotating rod are connected to the two rotating rods correspondingly, and a rotating assembly is installed on the rotating rod and rotates in the circumferential direction of the rotating rod. A fixing frame is installed on the rotating assembly and used for fixing a sample. The effect of adjusting the overall height of the fixing frame is achieved by adjusting the height of the sliding support, the angle of the fixing frame is adjusted through the upper rotating assembly, a sample can face a radiation source at different angles to conduct a heat radiation test, and an operator can more accurately simulate the state of the sample to test data according to post-disaster data.

The invention relates to the technical field of railway construction engineering, and discloses a structural concrete strength detection device for railway construction engineering, which comprises a circular top seat, a portal frame is fixed on the circular top seat, and a base is fixed at the bottom of the portal frame; the device further comprises multiple groups of adjusting racks mounted at the bottom of the circular top seat, the multiple groups of adjusting racks are distributed in an annular array, sliding grooves matched with the adjusting racks are formed in the bottom of the circular top seat, and sampling units used for detecting structural concrete are fixedly mounted at the bottoms of the adjusting racks. When the device is used, the first gear ring rotates to drive the multiple groups of first gears to rotate, so that the relative distance between the multiple groups of adjusting racks is adjusted, the relative distance between the multiple groups of sampling units can also be adjusted, meanwhile, coring samples and data at different positions on structural concrete can be obtained, and the diversity of measured data is improved.

The invention relates to a metal machining milling machine tool, and relates to the technical field of machining. The machine tool comprises a supporting base, a fixed portal frame, a displacement supporting frame, a displacement clamping piece, a rotary clamping piece, an up-down displacement assembly, an electric spindle and a rotary driving assembly, the displacement clamping piece allows a rotating shaft piece to axially displace, the rotary clamping piece allows the rotating shaft piece to rotate, and the rotary clamping piece and the displacement clamping piece conduct clamping at the same time to achieve rotating shaft locking. The two cooperate to realize rotation shaft fixation and motion control. The problems of vibration and machining errors caused by single-side clamping in the milling process of long-shaft parts can be solved.

The invention relates to the technical field of grinding machine tools, in particular to an airspace engine directional blade tenon bottom face grinding machine tool which comprises a clamping device for clamping a directional blade, a belt sander, a portal frame, a horizontal sliding system, a lifting mechanism and a cushion block arranged below a sanding belt. The cushion block provides rigid support for the abrasive belt, and an oil storage tank with an oil absorption roller is arranged above the cushion block for automatic lubrication. And the horizontal sliding system and the lifting mechanism on the portal frame drive the clamping device and the directional blade to realize feeding movement. The problem that abrasive belt suspended grinding is unstable is solved through rigid supporting and automatic lubricating, manual grinding is replaced with mechanical operation, and therefore the machining precision and efficiency of the tenon bottom face of the directional blade are remarkably improved, the rejection rate and the labor-hour cost are reduced, and reliable assembly of the directional blade and a wheel disc is guaranteed.

The utility model relates to the technical field of sponge processing and production, in particular to a sponge cutting device which comprises a portal frame, a conveying mechanism located below the portal frame and used for conveying sponge and a transverse slicing mechanism arranged on the portal frame. The first lifting driving assemblies are fixed to the two sides of the portal frame, and the transverse slicing mechanism is slidably connected to the first lifting driving assemblies. And a pressing mechanism used for pressing the sponge for limiting is further arranged between the portal frame and the conveying mechanism, the pressing mechanism comprises a lifting support, a limiting frame arranged on the lifting support and pressing plates arranged on the limiting frame at equal intervals, and a second lifting driving assembly is connected between the lifting support and the limiting frame. According to the sponge cutting device, the transverse slicing mechanism and the pressing mechanism are arranged, so that the sponge limiting and cutting process is controlled in a full-automatic mode, manual adjustment is not needed, the labor intensity of workers is reduced, and the cutting efficiency is effectively improved.

The large stone cutting machine with the adjustable water spraying position comprises a portal frame, a cutting saw blade, a control box, a back plate and a water spraying mechanism, the water spraying mechanism comprises a water conveying pipeline, a spraying head, a bearing plate, a roller, a pull rope, a linear guide rail, an electric rotary table, a magnetic attraction block and a metal block, and stone can be placed below the cutting saw blade to be cut; in the cutting process, the linear guide rail can drive the electric rotary table and the magnetic attraction block to move above the roller, when the magnetic attraction block moves to the position above the metal block, magnetic attraction can be conducted, and after magnetic attraction is completed, the electric rotary table can drive the roller to rotate through the magnetic attraction block and the metal block, so that the pull rope is further wound; and the number of the rollers is two, the position of the water conveying pipeline in the arc-shaped rail groove can be adjusted by controlling the different rollers to rotate, and water sprayed out of the spray heads can conduct targeted cooling and dust falling on different positions of the cutting saw blade.

The invention relates to the technical field of reel pipe machining, in particular to a reel pipe joint welding device and a using method thereof. The device comprises a base, a portal frame, a feeding mechanism, a position switching mechanism and a reel pipe bearing assembly, the portal frame is fixed to the base, and the position switching mechanism comprises a first driving assembly, a transverse shaft and a rotating disc. Through collaborative design of the position switching mechanism and the feeding mechanism, the rotating disc drives the circumferentially distributed reel pipe bearing assemblies to be circularly switched to the feeding station, the welding station and the discharging station, the feeding mechanism can automatically complete conveying, calibration and sleeving of reel pipes, manual feeding and positioning of the reel pipes one by one are not needed, and the production efficiency is improved. The limitation of manual operation on continuous production is thoroughly eliminated, and the overall machining efficiency is remarkably improved.

The invention discloses a welding forming device suitable for an I-shaped component, and belongs to the technical field of welding forming, and the welding forming device comprises a workbench which is provided with a pressing and holding unit used for pressing a horizontal flange plate downwards and a welding unit used for welding; the portal frame is provided with at least one gripper unit, and the gripper units are used for clamping and fixing the vertical web plates and the horizontal flange plates; the portal frame is provided with a driving unit used for driving the gripper unit to move in multiple directions. According to the scheme, the workbench, the portal frame, the pressing and holding unit, the welding unit, the gripper unit and the driving unit are integrated to form an integrated welding system, the forming process that a vertical web and two horizontal flange plates form a T shape and an I shape is formed, disassembly equipment and additional auxiliary equipment are not needed, the operation process is simplified, and the welding continuity is improved; manual step-by-step operation is not needed, the labor intensity is greatly reduced, and the welding efficiency and the welding quality are improved.

The invention discloses automatic intelligent welding equipment for building material components, and belongs to the technical field of welding equipment.The automatic intelligent welding equipment for the building material components comprises a working frame, a containing assembly used for containing two to-be-welded metal thick plates is movably arranged on the working frame, and a pushing assembly is movably arranged on the working frame; a transverse moving assembly used for adjusting the position of the containing assembly is arranged on the pushing assembly, a portal frame is arranged in the middle of the working frame, adjusting assemblies movably corresponding to the two metal thick plates to be welded are movably arranged on the portal frame, and laser welding heads are movably arranged on the adjusting assemblies. A swing assembly used for driving the laser welding head to horizontally move in a reciprocating mode is arranged between the adjusting assembly and the laser welding head. The laser welding device has the advantages that the placing requirements of different angles of to-be-welded metal thick plates of different sizes are met, stable and continuous welding is achieved, automatic alignment is achieved, the welding precision is high, welding is uniform, and the structure is reliable.

The double-arc double-wire submerged arc welding device comprises a portal frame connecting piece, an arc welding support is arranged on one side of the portal frame connecting piece, a through hole is formed in the top of the arc welding support, wire feeding devices are symmetrically arranged on the top of the arc welding support, motors are arranged on the two sides of the pair of wire feeding devices, and the motors are arranged on the two sides of the pair of wire feeding devices. A welding gun fixing rod is assembled at the bottom of the arc welding support, a pair of welding gun clamping pieces is arranged on the welding gun fixing rod, and a first welding gun and a second welding gun are arranged on the pair of welding gun clamping pieces respectively. According to the device, double-arc welding can be achieved, the height and the included angle of the welding gun can be flexibly adjusted, and the welding penetration depth is accurately controlled. According to the device, while the welding efficiency and the welding quality are guaranteed, the personal error in the welding process can be reduced, the control capability on the welding penetration depth is remarkably improved, the personnel safety is guaranteed, and the overall use performance of equipment is improved.

The invention relates to the field of stone cutting machine structures, in particular to a double-rope-saw stone cutting machine which comprises a portal frame, a first lifting seat, a second lifting seat, a first rope saw, a second rope saw and a trolley. The first lifting seats and the second lifting seats are assembled on the outer sides and the inner sides of the two stand columns of the portal frame correspondingly. The first rope saw is wound and tensioned between the first guide wheels of the two first lifting seats, the second rope saw is wound and tensioned between the second guide wheels of the two second lifting seats, and the second rope saw is located in the range defined by the first rope saw to form two parallel cutting line segments. And in cooperation with movement of the trolley relative to the portal frame, quarry stone can be driven to synchronously penetrate through the cutting sections of the two sets of rope saws at a time, synchronous cutting of two pieces of stone is completed, and the stone cutting efficiency is remarkably improved. And the corresponding rope saws can be driven to ascend and descend through synchronous action of the corresponding first lifting base and the second lifting base on the two sides, so that the distance between the double rope saws is flexibly adjusted, and the machining requirements of stone finished products with different thicknesses are met.

The invention relates to the field of autoclaved aerated concrete block production equipment, and discloses forming equipment for autoclaved aerated concrete block production, which comprises a first portal frame, a second portal frame and a moving track, the first portal frame is arranged above one side of the moving track, and the second portal frame is arranged above the other side of the moving track. A distribution hopper is fixedly installed at the top of the first portal frame, a corrugated pipe is fixedly installed at the bottom end of the distribution hopper, a discharge pipe is fixedly installed at the bottom end of the corrugated pipe, a movable plate is movably installed in the middle of the second portal frame, and a barrel is fixedly installed in the middle of the second portal frame. And a variable frequency motor is fixedly mounted at the top end of the barrel. The slurry mixing uniformity can be improved, material distribution is optimized, material missing and material stacking are avoided, the vibration compacting effect can be enhanced through resonance torque increasing and frequency and amplitude adjusting, different working conditions are adapted, the automation degree is high, the quality can be improved, the rejection rate is reduced, the efficiency is improved, and manpower is reduced.

The utility model discloses a square honeycomb marinating boiling continuous pot, including saucepan, track, drive wheel, portal frame and honeycomb drawer, saucepan front end and rear end both are fixed with fixed shell, fixed shell both sides of fixed shell inner wall, fixed shell both sides, limit strip interiors sliding connection slider, the slider interiors is provided with the latch subassembly, and the latch subassembly is fixed in the fixed shell. The sliding block is connected with a swinging part in a swinging mode through a pin shaft, the top end of the swinging part is rotationally connected with a jarring wheel through a pin shaft, a vibration assembly is arranged on the outer wall of the swinging part, and a driving assembly is arranged on the front surface of the saucepan. Under the effect of shaking while walking, the soup draining efficiency of the honeycomb drawer can be improved, and the waiting time required by soup draining is shortened, so that the portal frame can quickly enter the next pot to work.

The utility model discloses an anti-deformation tooling for preventing large flat plate surfacing, which comprises a bracket, a fixed clamping block, a cooling table, a flow guide partition plate, a movable clamping block and a portal frame, the bracket is fixedly arranged on the ground at the lower part of the portal frame, the cooling table is fixedly arranged on the bracket, a cooling cavity is arranged in the cooling table, and the flow guide partition plate is arranged in the cooling cavity. A water inlet connector and a water return connector are fixedly installed on the cooling table, and a plurality of flow guide partition plates are fixedly installed in the cooling cavity at intervals in a sealed mode. The welding tool is stable in structure and high in positioning precision, and the stability and accuracy of the welding process can be effectively guaranteed. Cooling circulating water is introduced into the cooling table of the tool, the top face of the cooling table makes contact with the large flat plate, the surfacing area is cooled through the circulating water, forced cooling is achieved, thermal stress can be rapidly reduced, welding stress can be dispersed, and deformation of the large flat plate in the surfacing process is remarkably reduced.

The invention relates to the field of anode production equipment, in particular to an anode raw block spray cooling device which comprises a portal frame, the outer side of the portal frame is fixedly connected with a supporting mechanism, the top end of the portal frame is further fixedly connected with a driving mechanism, and a spray mechanism is rotationally arranged in the portal frame. Through the arrangement of the spraying guide seat, the driven guide teeth, the shifting gear, the driving gear and other components, the spraying guide seat can stably rotate in the guide bracket through the meshing transmission of the driving gear and the driven gear and the meshing transmission relation of the shifting gear and the driven guide teeth, and the spraying guide seat can stably rotate in the guide bracket in cooperation with the spraying supports and the spraying holes which are arranged in an annular array mode; the device can perform all-directional and dead-corner-free spray cooling on the anode green block, effectively solves the problem of non-uniform cooling caused by the fact that spray heads of an existing device are concentrated on the upper portion and spraying on the two sides is insufficient, avoids thermal stress generated by local overheating or too fast cooling of the anode green block, and guarantees the structural compactness and strength of the anode green block.

The present application relates to the field of winding processing, especially to a lamp strip winding processing equipment, which comprises a machine body and a portal frame fixedly installed on the machine body, a supporting frame fixedly installed on the portal frame, a gas cylinder fixedly installed on the supporting frame, and a lifting frame fixedly installed on the output end of the gas cylinder; an feeding and discharging mechanism arranged on the machine body, the feeding and discharging mechanism comprising a sliding support assembly, the sliding support assembly slidably supporting a winding roller and controlling the movement of the winding roller between a feeding position and a discharging position; a traction assembly for feeding or discharging the sliding support assembly; a jacking assembly and a wedge-shaped frame for cooperating with the jacking assembly; when the sliding support assembly moves to the discharging position, the jacking assembly contacts the wedge-shaped frame and rises along the inclined surface of the wedge-shaped frame, thereby lifting the winding roller off the supporting platform; through the feeding and discharging mechanism, the lamp strip winding feeding, processing and discharging full-process automatic operation are realized.

The utility model relates to the technical field of mining equipment, in particular to a multifunctional mining drilling rig which comprises two symmetrically-arranged supporting legs and a portal frame, a movable plate capable of moving up and down is arranged below the portal frame, and two hydraulic cylinders are symmetrically and fixedly connected to the bottom of the portal frame. Piston rods of the two hydraulic cylinders are fixedly connected with the top of the movable plate, the portal frame is rotationally mounted between the two supporting legs, a drill rod is rotationally mounted at the bottom of the movable plate, a drill bit capable of moving up and down is coaxially mounted at the bottom of the drill rod, the drill rod is hollow, and a plurality of sampling assemblies are mounted in the drill rod and located above the drill bit. Stable support is formed through the symmetrically-arranged supporting legs and the portal frame, the movable plate below the portal frame is driven by the hydraulic cylinder to move up and down, and accurate control over a drill rod and a drill bit is achieved; the drill rod is hollow, the sampling assembly is integrated in the drill rod, sampling can be carried out in the drilling process, and the working efficiency is improved.

The utility model provides a kind of rotary cylinder mounting structure of tool magazine door switch, comprising: door frame mounted on portal frame, the door frame bottom is equipped with tool magazine door, the top of tool magazine door is connected between door frame by hinge, the end edge of door frame is equipped with fixed support, rotary cylinder's mounting flange is connected fixed with fixed support, the pivot of rotary cylinder is connected the axle hole of tool magazine door by the through-hole of fixed support, drives tool magazine door to do swing switch action with hinge as center of circle.This rotary cylinder mounting structure of tool magazine door switch adopts single rotary cylinder design, not only save installation space, reduce equipment cost, but also not prone to failure, tool magazine door switch action is smooth.

The utility model discloses a cabling stranding machine for cable production, which comprises a bottom plate, the upper middle part of the bottom plate is provided with a fixing ring, the middle part and the right side of the upper end of the bottom plate are respectively provided with a support plate I and a support plate II, and a rotating wheel I, a rotating wheel II, a guide disc and a rotating shaft are sequentially arranged between the support plate I and the support plate II from left to right. Uniformly-distributed penetrating holes are formed in the edges of the first rotating wheel, the second rotating wheel and the guide disc correspondingly, a portal frame is arranged at the left end of the bottom plate, rotating columns are arranged on the inner side faces of the portal frame correspondingly, fixing blocks are arranged in the rotating columns correspondingly, and a winding barrel is arranged between the fixing blocks. The auxiliary coil unloading mechanism comprises a sliding groove, a sliding plate, a supporting block, a lifting block, a guide groove and a rubber strip, when the cabling and stranding machine for cable production is used for cabling and stranding a cable, other tools are not needed to lift the cable collecting cylinder, workers are assisted in coil unloading, the use of manpower and time is reduced, and the production efficiency of the cable is improved.

The invention relates to the technical field of mechanical and electrical installation, in particular to a pipeline transportation tool and method in a limited space. The pipeline transportation tool comprises a cart, an arc-shaped containing block is installed on the cart through a rotating mechanism, a fixing mechanism is further installed on the rotating mechanism, the fixing mechanism comprises a portal frame, and the portal frame is installed on the rotating mechanism; two fixing rods are fixedly connected to the portal frame, second fixing blocks are fixedly connected to the two fixing rods, clamping arms are rotatably connected to the two ends of each second fixing block, first sliding grooves are formed in the two clamping arms, sliding blocks are jointly slidably connected into the two first sliding grooves, and clamping assemblies are installed on the sliding blocks and the clamping arms. A power assembly is further installed on the portal frame and connected with the sliding block. The pipeline transportation device has the advantages that pipeline transportation in a limited space is achieved, a large amount of manpower consumed by manual carrying is reduced, and the probability of easy overturning is reduced.

The utility model discloses a kind of battery pack flight welding equipment, it is related to battery pack welding technical field.The battery pack flight welding equipment is used to carry out welding to the pole of the monomer battery of battery pack and connecting piece, the battery pack flight welding equipment includes portal frame and at least two pressure welding mechanisms, at least one side on portal frame is equipped with support assembly;Each pressure welding mechanism is movably installed in support assembly, and each pressure welding mechanism can simultaneously press and weld to pole and connecting piece.When the pole of the monomer battery of battery pack and connecting piece need to be welded, each pressure welding mechanism is movably installed in support assembly, and the work of each pressure welding mechanism does not affect each other, so that at least two pressure welding mechanisms can simultaneously press and weld to pole and connecting piece, to improve the welding efficiency of welding equipment.

The utility model discloses an auxiliary fixing device for scaffold splicing, which comprises two door frames and a bearing plate, and the front side and the rear side of the bottom of each door frame are both fixedly connected with a positioning plate. The positioning plate, the fixing shell, the supporting plate, the fixing groove, the fixing device and the control device are used in cooperation, and the problems that when an existing scaffold is spliced, a vertical rod of a top door frame usually needs to be perpendicularly sleeved with a vertical rod of a bottom door frame, and after the door frames on the two sides are inserted, pull rods for supporting the door frames are connected, so that the splicing efficiency of the scaffold is affected are solved. After a pull rod is installed, a connecting rod is inserted into the joint of vertical rods of two layers of portals and fixed through a lock pin, the portals are fixed, when the portals are inserted, the function of auxiliary fixing of the portals is lacked, in the process of installing the pull rod, the portals on the two sides are prone to shaking, operators need to straighten the portals manually, time and labor are wasted, and the labor intensity is lowered. And the installation efficiency is influenced.

The utility model relates to an external air filter reinforcing structure and a tractor, the external air filter reinforcing structure comprises a portal frame and at least two mounting racks arranged at intervals, one end of each mounting rack is connected to the portal frame, and the other end of each mounting rack is used for being detachably connected to an external air filter. According to the external air filter, the technical problem that an existing external air filter shakes severely due to vehicle vibration, branch collision and the like in the using process can be solved.

The utility model discloses a kind of anti-inclined scaffolds, including two portal frames, the outer wall of portal frame is equipped with thread groove, the outer wall of thread groove is threadedly connected with thread sleeve, two first sliding sleeves and two second sliding sleeves are sleeved and slid on the portal frame, first sliding sleeve is below thread sleeve, fixedly connected with inclined support between first sliding sleeve and second sliding sleeve, the bottom of inclined support is fixedly connected with support plate, the outer wall of portal frame is fixedly connected with multiple guide rails, the outer wall of second sliding sleeve is equipped with multiple guide slots.The utility model is by pulling inclined support, and it is placed to be with portal frame by pulling inclined support to degree, then, thread sleeve is screwed, and under the action of the thread connection of thread groove, so that thread sleeve moves downward, to push first sliding sleeve to move downward, to drive inclined support to move downward, so that support plate is contacted with ground, to increase the support area of scaffold, to prevent the inclination of scaffold.

The application discloses a plate filter press material cleaning device, and belongs to the technical field of filter press auxiliary equipment, which comprises a portal frame; a support is fixedly installed on the side wall of the portal frame, a threaded rod is vertically rotatably inserted on the support, a stepping motor with an output end fixedly connected with the rotating shaft of the threaded rod is fixedly installed on the support, and a sliding block is threadedly installed on the threaded rod; the grinding roller and the anti-abrasion mechanism are matched with each other, after solid substances are crushed, the negative pressure mechanism is used to suck out the partially crushed granular impurities in the surface hole of the filter cloth, so that the remaining granular impurities are prevented from being stuck in the surface hole of the filter cloth, then water flows into the surface hole of the filter cloth, the granular impurities remaining in the hole are driven to flow together by the water flow, compared with direct water spraying for cleaning, the impact force borne by the solid impurities can be reduced in the cleaning process, and the probability that the solid impurities are forced to be embedded in the deep part of the filter cloth hole is reduced.

The utility model relates to the technical field of silica brick detection, in particular to a refractory silica brick detection mechanism, which comprises a bottom plate and an inflator pump, and is characterized in that a portal frame is arranged above the bottom plate, the top of the portal frame is in threaded connection with a screw rod, the top end of the screw rod is fixedly connected with a rotating handle, the bottom of the screw rod is fixedly provided with a gas hood, and the gas hood is fixedly connected with the inflator pump. The bottom of the gas hood is fixedly connected with a sealing gasket, and the outer surface of the gas hood is provided with a gas inlet pipe and a detection pipe. The device has the advantages that the air cover is descended to press the top surface of the refractory silica brick, then air is conveyed into the air cover through the inflation pump, when the air pressure in the air cover reaches a certain value, the inflation pump is stopped, the descending condition of the barometer is observed in a timing manner, and the value of air pressure reduction in a certain time is measured, so that the ventilation degree of the refractory silica brick is judged; according to the mode, the emission direction of air is limited, and the barometer can reflect the air pressure in the gas hood in real time, so that the ventilation degree of the refractory silica brick can be accurately judged.