1714results about How to "Avoid skew" patented technology

The utility model discloses a full-prefabricated assembly type concrete frame structure in the technical field of prefabricated building structures. The full-prefabricated assembly type concrete frame structure comprises connecting stand columns, upper stand columns, cross beams, column end splicing pieces, supporting rods and jacking bolts. The connecting stand column and the protruding block form a T-shaped structure. The upper upright post and the cross beam are straight rods; the column end splicing piece and the beam end splicing piece are locked into an overall stress structure through the locking plate, the supporting barrel and the supporting nut are locked through the supporting rod, a prefabricated piece can be used, a butt joint position anchoring device is additionally arranged, splicing positions can be aligned more quickly, the splicing precision and speed are improved, the construction efficiency is improved, and the construction cost is reduced. Due to the fact that the structure is simple, the steel bars are accurately pre-embedded in the prefabrication process, site construction is not needed, the steel bar embedding accuracy is greatly improved, and construction quality and construction convenience are improved; the cast-in-place work is reduced, the prefabrication rate and the construction efficiency can be improved, and therefore the construction cost is reduced.

The invention relates to a bidirectional automatic seedbed and potted flower transfer device and method. The bidirectional automatic seedbed and potted flower transfer device comprises a conveying mechanism, a lifting mechanism, a push-pull mechanism, a grabbing mechanism, a conveying mechanism and a control system. The conveying mechanism comprises a seedbed frame, a motor, a chain, a transverse conveying supporting wheel and a chain wheel, the lifting mechanism comprises an air cylinder, a telescopic rod and a supporting rod supported on an air cylinder shaft and the telescopic rod, the push-pull mechanism comprises a push plate, a small air cylinder, a moving frame, a rail and a motor, and the grabbing mechanism comprises a portal frame and a mechanical arm. The conveying mechanism comprises a guide frame, an angle iron rail and a belt conveyor; the control system comprises a controller, a limit switch, a proximity switch, a magnetic reed switch and a photoelectric counter and is used for monitoring the position of the seedbed, accurately starting and stopping the seedbed and counting flowers. Bidirectional orderly automatic transfer of potted flowers entering and moving out of a cultivation greenhouse can be achieved, the working efficiency is improved, and the labor intensity is reduced.

The invention relates to the technical field of machining, and provides a positioning and clamping device for a CNC machine. The substrate is mounted in CNC equipment; the supporting piece is installed on the base plate and used for supporting the machining tray. The limiting assembly is arranged on the base plate and used for limiting movement and positioning of the machining tray. The pressing and holding assembly is installed on the base plate and used for pressing and fixing the machining tray, and the pressing and holding assembly can be far away from and close to the machining tray. When the pressing and holding assembly moves towards the machining tray, the pressing and holding assembly enables the machining tray to be tightly pressed on the supporting piece to be fixed. And after the pressing and holding assembly moves away from the machining tray, the pressing and holding assembly is separated from the machining tray, and the machining tray can be moved out of the CNC equipment. The machining tray is limited and positioned through the limiting assembly firstly, it is guaranteed that the machining tray is installed at the accurate position, and the workpiece to be machined is prevented from deviating; and then the machining tray is pressed on the supporting piece through the pressing and holding assembly to be supported and fixed, and the fixing stability of the machining tray is guaranteed.

The invention belongs to the technical field of petroleum pipeline valve machining, and particularly relates to a petroleum pipeline valve machining positioning device which comprises a base detachably installed on a workbench of a machine tool, a positioning bottom plate is rotatably installed on the upper surface of the base, and a positioning clamping plate is supported over the positioning bottom plate through a hydraulic cylinder. Three sets of symmetrical positioning blocks are installed on the corresponding wall faces of the positioning bottom plate and the positioning clamping plate, the symmetrical surfaces of the symmetrical positioning blocks form arc-shaped positioning faces, the arc-shaped positioning faces of the symmetrical positioning blocks make contact with the outer ring face of a flange plate of a to-be-machined pipeline valve in an attached mode, and the positioning bottom plate and the positioning clamping plate are each provided with three sets of sliding adjusting mechanisms. Each group of sliding adjustment mechanism is used for carrying out sliding adjustment on the distance between each group of symmetrical positioning blocks; the valve clamping device can prevent a valve clamped on a machine tool from skewing due to the fact that the end faces of three valve ports are not flush, and consequently the precision of follow-up machining treatment is easily affected.

The utility model discloses a horizontal packaging machine, and relates to the technical field of packaging machinery. The utility model discloses a quick release type feeding tailstock, material conveyer, film walking device, roll film forming device, longitudinal sealing device, horizontal sealing device and electrical appliance box, adopts quick release type feeding tailstock, has quick release function, is convenient to clean feeding tailstock, ensures the hygiene of material on quick release type feeding tailstock, improves the production efficiency, reduces the production cost, and improves the production efficiency. The film feeding device is arranged below the material conveying device, namely, a lower film feeding mode is adopted, so that materials are directly conveyed to a rolled film after being output from the quick-disassembly type feeding tailstock, the materials are prevented from making contact with other devices outside the quick-disassembly type feeding tailstock, sanitation of the materials to be packaged is guaranteed, meanwhile, a protective cover is arranged, and the protective cover can be used for protecting the materials to be packaged. External pollution is avoided during longitudinal sealing and transverse sealing, the quick-frozen materials are protected to a certain extent, corrosion of the packaging machine caused by water vapor of the quick-frozen food is avoided, and the packaging machine can be waterproof and moistureproof.

The invention belongs to the technical field of distributed intelligent computing, and aims to provide a federal learning model training method. In the implementation process, a semi-asynchronous federated learning aggregation scheme with a fixed time period is constructed by setting a period aggregation duration and adopting a semi-asynchronous federated learning model training mode, so that the bottleneck node delay influence of a synchronous federated aggregation strategy in an equipment heterogeneous environment can be solved, and the reliability of the system is improved. Meanwhile, deflection of a global model due to the fact that part of equipment frequently uploads the local model in the complete asynchronous federation aggregation strategy is prevented; besides, under the environment that the computing power of the federated learning system is unbalanced, data in all local clients can participate in model training in a semi-asynchronous aggregation mode under the condition that global training time is fixed, so that the data utilization rate of the local clients participating in training in the federated learning system is effectively improved, and the training efficiency of the federated learning system is improved. And the convergence precision of model training is improved.

The invention relates to a single-side gas inlet SOFC burner with wide working condition and low pressure loss in the field of solid oxide fuel cells. An ignition rod sleeve for arranging an ignition rod is arranged in the middle of the top of a combustion chamber of the single-side gas inlet SOFC burner; the top of the combustion chamber is further provided with an anode tail gas distribution channel and a cathode tail gas distribution channel, and the anode tail gas distribution channel and the cathode tail gas distribution channel are sequentially arranged on the periphery of the ignition rod sleeve in a surrounding mode. And cathode tail gas and anode tail gas are uniformly introduced into the combustion chamber in a ring-surface-shaped gas outlet manner after passing through respective independent distribution channels. The anode tail gas and the cathode tail gas are evenly input into the combustion chamber in an annular mode, the consistent flow density is kept on the annular face, the two kinds of tail gas are fully mixed in the combustion chamber, the ignition rod conducts centered ignition, flame deflection is avoided, local overheating is reduced, the stable combustion state is achieved, and stable combustion within the wide working condition range can be achieved easily; and the pressure loss caused by non-uniform gas distribution is reduced.

The invention belongs to the technical field of PCB electronic component testing, and particularly relates to a PCB electronic component resistance testing system for environmental protection equipment, which comprises a feeding module, the feeding module adopts a conveying belt assembly to convey a PCB electronic component to be tested to a position below a testing module, the testing module comprises a testing box, a probe contact mechanism and a watch hand driving mechanism, the testing box is fixed above the feeding module in a suspended mode, a probe contact mechanism is installed in the testing box in a lifting mode, a meter hand driving mechanism is arranged above the probe contact mechanism, and the meter hand driving mechanism is used for conducting communication between testing meter hands of the meter hand driving mechanism and a plurality of testing probes on the probe contact mechanism. According to the invention, the abrasion or damage to the PCB caused by frequent contact between the test pointer and the PCB can be avoided, and the accuracy of the resistance test of the PCB can be improved.

The laser cutting platform comprises a supporting frame, a cutting table is fixedly installed on the upper surface of the supporting frame, a lifting mechanism is fixedly installed at one end of the cutting table, first linear modules are fixedly installed on the upper surface of the cutting table and the upper surface of the lifting mechanism correspondingly, and connecting plates are fixedly installed on the upper surfaces of moving blocks of the first linear modules; a connecting rod is rotatably installed between the two sets of connecting plates, a second linear module is fixedly installed on the outer surface of the connecting rod, a first gear motor is fixedly installed at one end of each connecting plate, an output shaft of each first gear motor penetrates through the corresponding connecting plate to be fixedly connected with the corresponding connecting rod, a rotating groove is formed in each connecting rod, and a centering dragging mechanism is rotatably installed in each rotating groove. Through the design of the lifting mechanism and the centered dragging and dropping mechanism, the precision, efficiency and safety of laser cutting of the metal plate are remarkably improved by integrating the functions of automatic carrying, precise cutting, intelligent stacking and real-time monitoring.

The invention discloses a mineral geological exploration sampling device with a cooling structure, which comprises a lower fixed flat plate, first electric telescopic rods are fixedly connected to two sides of the lower fixed flat plate, and foot pads are fixedly connected to movable ends of the first electric telescopic rods; cooling water is conveyed to the lower portion of the lower guide cylinder through the driving water pump and sprayed out through the water outlet holes to cool the sampling cylinder, the lower exploring drill bit and a surrounding geological layer, damage of high temperature to equipment is reduced, the service life is prolonged, soil is moistened, and the drilling difficulty is reduced; the sampling barrel can be taken down, samples can be collected and analyzed only through simple lifting operation, meanwhile, the stability and the sealing performance in the sampling process are guaranteed through threaded connection of the sampling barrel and the lower probing drill bit, guiding and supporting are provided for the sampling barrel through the lower guiding barrel, the situation that the sampling barrel and the lower probing drill bit are inclined due to long-time use is prevented, and the sampling efficiency is improved. And when the sampling barrel is lifted up, the sample cannot fall off due to vibration or inclination.

The invention belongs to the technical field of batteries, and discloses a battery assembly method and a battery, the method comprises the following steps: S1, installing a protective end plate on a first surface and / or a second surface of a pole group; s2, the outer sides of a plurality of side faces of the pole group are coated with insulating films, and the insulating films and the protection end plates are subjected to hot melting to form pole group units; s3, loading the pole group unit into the cavity of the battery shell; s4, arranging the composite cover plates at the openings in the two sides of the battery shell; s5, welding the composite cover plate and the battery shell; s6, welding the composite pole and the composite shell; and S7, realizing current conduction between the composite pole and the tab. Current conduction is finally achieved through the tabs and the composite pole, so that the influence of other welding procedures on the connection quality of the tabs and the composite pole is avoided, and due to the fact that the tabs stretch out of the battery shell and the composite pole to achieve current conduction, occupation of the internal space of the battery shell is reduced, and the utilization rate of the space is improved.

The invention discloses a modularized speed reducer assembling platform which comprises a supporting frame, a hydraulic cylinder used for driving, an assembling clamping part used for clamping a speed reducer part and a supporting table used for assembling. The hydraulic cylinder is fixed to the upper end of the supporting frame, the assembling clamping part and the supporting table are arranged in the supporting frame in an up-down mode, and the hydraulic cylinder is used for pushing the assembling clamping part to assemble a speed reducer part on the supporting table. The speed reducer part is positioned by extruding the assembling and clamping part, keeping the assembling and clamping part to avoid rotation, rotating a second clamping cover and a plurality of clamping shaft parts, so that the axis position is determined, deviation is avoided, and the speed reducer part is in a horizontal state and is prevented from inclining; when the speed reducer part is clamped on the assembly clamping part, operation can be conducted with one hand, operation is convenient, and the situation that the speed reducer part is damaged or dust adheres to the speed reducer part due to the fact that the speed reducer part is taken and placed many times is avoided.

The utility model discloses a concrete quality detector which comprises a bottom plate, a stand column is fixedly installed on the top of the bottom plate, a sleeve is connected to the outer wall of the stand column in a sliding and sleeved mode, a rack is fixedly connected to the outer wall of the stand column, a lifting mechanism matched with the rack is installed on the sleeve, a lower connecting rod is fixedly connected to the outer wall of the sleeve, and the lower connecting rod is fixedly connected to the outer wall of the lower connecting rod. A transverse rod is rotatably connected to the bottom of the lower connecting rod, a slump cone is detachably connected to the end, away from the sleeve, of the lower connecting rod, a funnel is arranged at the top end of the slump cone in a penetrating mode, and scale strips are arranged on the outer wall of the stand column. When the slump cone is used, the sleeve is driven by the lifting mechanism to slide upwards along the upright post, so that the slump cone can be driven to vertically move upwards, the slump cone is separated from the concrete cone, the concrete cone naturally collapses, and the slump cone can be effectively prevented from skewing or deflecting during ascending; therefore, interference to collapse of the concrete cone is avoided, and the use effect is good.

The present invention relates to the field of optical lens processing, and relates to a fully automatic optical lens inking machine, comprising: a double-track workbench, both sides of which are provided with electric guide rails; a mobile platform, driven by the electric guide rails; a batch execution unit, arranged on the mobile platform; a fixed rotating mechanism, installed in the middle of the double-track workbench; the batch execution unit comprises: electric telescopic rods, distributed on both sides of the mobile platform; a downward pressing inking mechanism, arranged on the movable rod of the electric telescopic rod on one side, to perform inking operations on the material to be processed; a suction cup frame, on which a plurality of suction nozzles are evenly arranged in series, and installed on the movable rod of the electric telescopic rod on the other side. The present invention uses the suction cup frame on the batch execution unit to move the lenses in batches to the fixed rotating mechanism, waits for the fixed rotating mechanism to fix the lenses and correct the center of the lenses, and then uses the downward pressing inking mechanism to ink the edges of the rotating lenses, thereby achieving the effect of batch inking.

The utility model relates to the technical field of pile driving equipment, in particular to foundation pillar driving equipment which comprises a crawler, a support and a supporting pillar. The support is fixed to the front side of the crawler. The supporting column is hinged to the end of the support, and the two ends of the first hydraulic cylinder are hinged to the support and the supporting column correspondingly. The pile hammer hydraulic cylinder is fixed to the front side of the upper end of the supporting column, and the pile hammer is installed at the lower end of the pile hammer hydraulic cylinder. The guide sleeves are symmetrically hinged below the pile hammer in front of the supporting column; the lifting hydraulic cylinder is fixed to the rear side of the upper end of the supporting column. A hydraulic motor is mounted in the sliding table, and a twist drill is mounted at the lower end of the hydraulic motor; according to the utility model, through the improvement of the foundation pillar driving equipment, the foundation pillar driving equipment has the advantages that the drilling and the piling are integrated, the equipment cost is reduced, the piling angle is adjustable, and the foundation pillar driving equipment is suitable for different terrains, so that the problems and the defects in the prior art and equipment are effectively solved.

The invention discloses a machining device and a machining method of a plug-in retainer. A machining positioning device comprises a mandrel, a lower die and an upper die, wherein the lower die and the upper die are arranged on the mandrel; the lower die is provided with an outer circumferential surface for supporting the inner circumferential surface of the semi-finished retainer and a first abutting plane for supporting the non-notch side end surface of the semi-finished retainer, the outer circumferential surface is perpendicular to the first abutting plane, and pocket avoiding grooves in one-to-one correspondence with the positions, where pockets need to be machined, of the semi-finished retainer are formed in the outer circumferential surface in the circumferential direction of the outer circumferential surface; the upper die is provided with an axial extending part which is located on the outer side of the outer circumferential face and is in sliding fit with the outer circumferential face, and the end of the axial extending part is provided with a second abutting plane which is parallel and opposite to the first abutting plane and used for pressing the end face of the notch side of the semi-finished retainer. The retainer is installed in a machining center through the machining device, pocket hole drilling and milling and notch milling are completed in the same step, the precision of the notch is improved in the machining process in cooperation with a machining method, and the quality of a finished retainer product is guaranteed.

The invention relates to the technical field of aluminum pipe machining, and particularly discloses an automatic discharging mechanism for aluminum pipe machining, which comprises a rack, a conveying assembly, a material receiving frame and a discharging mechanism, the discharging mechanism comprises a lifting assembly and a buffer assembly, and the lifting assembly comprises a lifting rod and a driving structure I; the buffering assembly comprises a mounting plate, multiple buffering structures, a second driving structure and a reset structure, the mounting plate is arranged on the material receiving frame, the multiple buffering structures are arranged at the upper end of the mounting plate at intervals in the length direction of the mounting plate, and each buffering structure comprises a buffering piece and a turnover roller rotationally arranged on the buffering piece; the side, facing the rack, of the buffering piece is provided with a first arc face, the first arc face is arranged downwards, and the overturning roller is prepared and formed by an elastic material. According to the aluminum pipe discharging device, aluminum pipes can be buffered in the discharging process, the aluminum pipes are separated through the multiple buffering structures, the aluminum pipes are prevented from deflecting in the rolling process, meanwhile, collision between the aluminum pipes is avoided, and the quality of the aluminum pipes is guaranteed.

The mounting base of the power transformer comprises a base body and a transformer body, a fixing plate is fixedly connected to the lower end face of the transformer body, a limiting groove is formed in the upper end face of the base body, and a movable groove and a moving groove are formed in the inner walls of the two sides of the limiting groove respectively. Two symmetrical connecting blocks are fixedly connected to the lower end face of the fixing plate, butt joint grooves are formed in the sides, adjacent to the movable grooves, of the connecting blocks, butt joint columns are movably connected into the butt joint grooves, and L-shaped clamping strips are fixedly connected to the ends, away from the connecting blocks, of the butt joint columns. And by using two L-shaped clamping strips and two butt joint columns, the connecting block and the base body can be fixed, rapid and accurate butt joint of the transformer body and the base body can be achieved, accurate installation and fixation are achieved, the installation efficiency of the transformer is improved, and the problems that repeated adjustment is conducted, and the working efficiency is reduced are solved.

The invention relates to a steel pipe pile and steel sheet pile combined pile sinking process and a combined pile sinking device thereof, and belongs to the technical field of pile foundation construction. The steel pipe pile and steel sheet pile combined pile sinking technology comprises the following steps that S1, steel pipe piles and steel sheet piles are assembled to form a combined body of the steel pipe piles and the steel sheet piles; s2, according to the size of the assembly, the sizes of a first hydraulic clamp, a second hydraulic clamp and a third hydraulic clamp are set, and the three hydraulic clamps are installed on sliding rails of a vibratory hammer correspondingly; s3, the first hydraulic clamp and the second hydraulic clamp are arranged on the two sides of the top of the steel pipe pile in a clamped mode correspondingly, the third hydraulic clamp is arranged on the top of the steel sheet pile in a clamped mode, and the gravity center of the vibratory hammer and the gravity center of the combined body are located on the same vertical line; and S4, combined pile sinking is conducted. According to the combined pile sinking process, the steel pipe piles can be prevented from rotating in the soil body through resistance of the steel sheet piles, so that the lock catches of the steel sheet piles and the steel pipe piles are in lap joint according to designed positions, and deviation of actual construction positions is avoided.

The invention relates to the field of paperboard processing, in particular to an intelligent paperboard stacking machine for logistics transportation, which comprises a conveying assembly, a first support frame, a second support frame, a fixing rod, a first connecting rod and the like, a first supporting frame is installed on the conveying assembly used for conveying a long paperboard. A second supporting frame is mounted on the conveying assembly; two fixing rods are fixedly connected to the first supporting frame; each fixing rod is connected with a first connecting rod; the first connecting rod is connected with the first supporting frame. When the long paperboards are put down for stacking, the left ends of the long paperboards firstly make contact with the surface of the second conveying belt and then are completely placed on the second conveying belt from left to right, the placing stability of the long paperboards is guaranteed, the long paperboards are directly put down horizontally compared with the long paperboards, the area of the long paperboards is large, and the stacking efficiency is improved. And when the long paperboards are put down, the air resistance on the bottom surfaces of the long paperboards easily enables the long paperboards to deflect and misplace, so that the mode of stacking and placing the long paperboards is more accurate, and the stability is better.

The invention discloses a basement post-cast strip structure which comprises a pit slot and is characterized in that a concrete cushion layer is arranged in the pit slot, a waterproof layer is arranged on the concrete cushion layer, a water stop caulking plate is arranged on the waterproof layer, positioning structures are symmetrically arranged on the two sides of the water stop caulking plate, a supporting screw rod is installed on each positioning structure, and the supporting screws are connected with the pit slot. The number of the supporting screw rods is multiple, every two supporting screw rods are connected with the water stop steel plates in a sleeved mode, each water stop steel plate is fixed through the corresponding plugging structure, each plugging structure is provided with the corresponding supporting structure, the waterproof layer is covered with the water-pressure-resistant cushion layer, and a reinforcing structure is arranged in the water-pressure-resistant cushion layer. The positioning structure, the blocking structure, the supporting structure, the reinforcing structure and the like are used for assisting the water stop steel plate, so that a continuous and compact waterproof blocking structure is formed, permeation of underground water is effectively prevented, and the underground part of a building is protected against damage of water.

The invention discloses auxiliary equipment for press fitting of motorcycle shock absorber springs, and relates to the technical field of shock absorber assembly.The auxiliary equipment comprises a base and a shock absorber body, fixing frames are symmetrically installed at the top of the base, and electric push rods are fixedly installed at the tops of the two fixing frames; the movable ends of the two electric push rods penetrate through the fixing frames and are fixedly provided with pressing plates, meanwhile, through grooves are formed in the centers of the tops of the pressing plates in a penetrating mode, the stand columns are symmetrically installed on one sides of the interiors of the two fixing frames correspondingly, and the bottom ends of the two stand columns are fixedly connected with the base; one side of the outer portion of each stand column is sleeved with a limiting sleeve, springs can be supported, the springs can be reliably supported in the compression process, the springs are prevented from inclining, the assembly precision of the shock absorber bodies is improved, press fitting can be conducted on the shock absorber bodies of different specifications, the springs of different specifications can be supported, and the assembly efficiency of the shock absorber bodies is improved. The application range is widened.

The present invention relates to the technical field of plate conveying, and discloses a plate conveyor, comprising a conveying body, a plurality of conveying rollers arranged in the conveying body, and a motor fixedly installed on one side of the conveying body, wherein a plurality of rotating rods are rotatably installed in the conveying body, and an output end of the motor is fixedly connected to one end of one of the rotating rods, and the conveying roller comprises a plurality of rollers slidably connected to the rotating rods, an annular groove is provided on the outer side of the roller, and a limiting ring is rotatably connected in the annular groove. The present invention splits the conveying roller into a plurality of rollers slidably connected to the rotating rod, and a limiting ring is rotatably connected in the annular groove on the outer side of the roller, and a sliding rod at the lower end of the limiting ring is slidably connected to the arc groove on the outer side of the limiting roller. By controlling the rotation of the plurality of limiting rollers, the width of the plurality of conveying rollers can be adjusted at the same time, and the width of the conveying roller can be adjusted according to the width of the plate, thereby increasing the practicability of the entire device, and the coordination of the limiting assembly can prevent the plate from skewing during the conveying process.

The utility model discloses a steel hoop support-free supporting device for a capping beam, which comprises a pier column and a jack, hoop bodies are symmetrically arranged above the exterior of the pier column, two groups of high-strength bolts are symmetrically arranged on two sides of the two hoop bodies, and rubber plates are fixedly mounted on the inner sides of the two hoop bodies, and are fixedly connected with the jack through bolts. Limiting assemblies are symmetrically arranged above the outer portions of the two hoop bodies, supporting assemblies are arranged above the two hoop bodies, the limiting assemblies comprise fixing plates symmetrically installed above the two sides of the two hoop bodies, and supporting plates are fixedly installed on one sides of the bottoms of the two fixing plates correspondingly. The ends, away from the fixing plate, of the two sets of supporting plates are fixedly connected with the two hoop bodies correspondingly. And when the hoop body is assembled and fixed, movement of the hoop body can be limited, the situation that after the hoop body is fixed, the hoop body inclines due to uneven fastening of high-strength bolts is avoided, bias pressure on a pier column is avoided, and practicability is improved.

The invention belongs to the field of concrete test block preparation, and particularly relates to a concrete anti-permeability test mold which comprises a bottom cover, a mold cylinder, at least two scrapers and guide pieces in one-to-one correspondence with the scrapers. The bottom cover comprises a bottom plate matched with the mold cylinder in an inserted mode and a plurality of handrail outer pipes, and a plurality of connecting pieces are arranged on the mold cylinder. The scraping plate comprises arc plate bodies and a sliding sleeve coaxial with the handrail outer pipe, the arc plate bodies can define an outer circle not smaller than a barrel opening of the mold barrel, and the sliding sleeve can rotate and slide up and down in the handrail outer pipe; the handrail outer pipes and the connecting pieces are in guiding sliding fit in the vertical direction, pushing pieces are arranged between the handrail outer pipes and the corresponding connecting pieces, and telescopic parts capable of stretching out and drawing back in the vertical direction are arranged on the pushing pieces; the guide piece and the sliding sleeve are in rotation stopping fit and are slidably assembled in the vertical direction. The mold testing device can solve the technical problem that a test block is easily damaged in the demolding process of an existing mold testing device.

The invention relates to the technical field of coal mine mechanical equipment, and discloses a support carrier for a coal mine narrow roadway, which comprises a carrier body, steering wheels and rear wheels are arranged on the two sides of the carrier body, a traction hanging table is arranged at the front end of the carrier body, a rotating groove is formed in the top of the carrier body, and a mounting groove is formed in the bottom of the rotating groove. A rotating groove is formed in the vehicle body, a rotating structure is arranged in the rotating groove, a power structure for driving the rotating structure to rotate is arranged in the vehicle body, and transfer structures are arranged on the two sides of the top of the vehicle body. The whole structure is low in height, small in size and convenient to use in a narrow roadway, the rotating action of the hydraulic support is achieved through the rotating structure and the power structure which are designed uniquely, the positions of the main supporting frame and the auxiliary supporting frame can be adjusted, and practicability is high.

The invention discloses a UV ink curing degree detection device, and relates to the technical field of UV ink detection.The UV ink curing degree detection device comprises a chassis and a detection assembly, a detection box is arranged above the chassis, and the detection assembly is arranged on one side of the interior of the detection box; the detection assembly comprises downward pressing rods, a base, buffer springs, a bottom plate, a rubber roller, a light supplementing lamp, a bottom frame, a scraping plate, a feeding opening, a rolling shaft, a guide plate, a collecting frame, a baffle and a weight meter, one side of the detection box is symmetrically connected with the downward pressing rods, one ends of the downward pressing rods are connected with the base, and one side of the base is symmetrically connected with the buffer springs. During use, the curing degree of UV printing ink can be detected and distinguished, and the position of the UV lamp is adjusted according to a detection result, so that the irradiation light intensity is adjusted, an irradiation area is cooled while detection is carried out, the temperature is prevented from being too high, materials can be stably clamped during detection, and detection misalignment caused by material deviation is avoided.

The utility model discloses an electronic lock driving device, and belongs to the technical field of locks. An electronic lock driving device comprises an upper base and further comprises a spring bolt base arranged in the upper base, a fixed shaft is fixedly arranged on the upper base, the spring bolt base is rotationally connected to the fixed shaft, and the fixed shaft is sleeved with a torsional spring used for driving the spring bolt base to rotate; the sliding block is arranged in the upper base in a sliding mode, a baffle used for limiting rotation of the spring bolt base is fixedly arranged at one end of the sliding block, a motor is fixedly arranged in the lower base, and an eccentric shaft used for driving the sliding block to slide is fixedly arranged at the output end of the motor; the eccentric shaft is fixedly arranged at the output end of the motor, when the motor drives the eccentric shaft to rotate, the sliding block can be driven to be far away from the spring bolt base, unlocking is achieved, the structure is simple, the driving effect is reliable, friction force is small, electricity consumption can be reduced, noise is small, and stability in the using process can be improved.

The utility model relates to an inductor pin fixing tool which comprises a positioning plate, a limiting piece and a first connecting piece. Wherein the positioning plate is parallel to the upper surface of the shell of the inductor and is spaced from the upper surface of the shell; the end face, close to the upper surface of the shell, of the positioning plate is provided with a positioning groove, and the end of the inductor pin extends into the positioning groove to be fixedly connected; the limiting piece is connected with the positioning plate, and the pin is fixed between the positioning plate and the limiting piece after connection; one end of the first connecting piece is fixedly connected with the positioning plate, and the other end is fixedly connected with the shell. Through cooperative use of the positioning plate and the limiting piece, accurate positioning of the inductor pins outside the shell is ensured, the pins are prevented from inclining in the production and installation process, accurate control over the installation center distance of the inductor pins is achieved, the problem of fixing of inductor products is solved, and the production efficiency is improved. And a plurality of important sizes of the inductor in the production process are ensured to meet preset requirements, and the production efficiency is improved.