2135results about How to "Avoid mobility" patented technology

The invention relates to the field of hybrid energy storage, in particular to a movable hybrid energy storage device which is applied to an energy storage power supply and comprises a movable frame and an energy storage cabinet body, universal wheels with brake pads are arranged at the bottom of the movable frame, and the energy storage cabinet body is provided with an anti-disengaging assembly used for automatically fixing a plug after the plug is connected with a socket in an inserted mode. The anti-disengaging assembly comprises a guiding bin body, clamping pieces arranged on the periphery of the guiding bin body and a triggering piece which is arranged in the guiding bin body and can synchronously push all the clamping pieces inwards, and the guiding bin body is further provided with a triggering driver which is matched with the triggering piece and pushes all the clamping pieces inwards. Through the linkage of the trigger piece and the clamping piece, the trigger driver is automatically activated when the energy storage power supply is turned on, so that the trigger piece is driven to push the clamping piece, the edge of the plug is limited between the clamping piece and the socket, and the power failure risk caused by loosening or falling of the plug is avoided.

The invention relates to the technical field of automobile doorsill part machining equipment, and discloses an auxiliary clamping device for automobile doorsill part welding, which comprises a mounting bottom plate serving as a supporting carrier of the whole device, the top of the mounting bottom plate is fixedly connected with a mounting top plate, and a clamping assembly for fixing an automobile doorsill part is mounted on the inner side of the mounting top plate; the automatic feeding assembly is mounted at the bottom of the clamping assembly and used for automatically feeding the automobile doorsill parts; the knocking assembly is mounted on the outer side of the mounting top plate and used for knocking and removing welding slag generated in the welding process of the automobile doorsill part; by additionally arranging the knocking assembly, welding slag generated in the welding process of the automobile doorsill part can be knocked, vibrated and removed, so that the smoothness and continuity of a welding seam are ensured, the mechanical property and corrosion resistance of a welding joint are improved, meanwhile, manual operation is not needed, the subsequent treatment time is shortened, and the welding process is more efficient and smoother.

The invention provides a torque control method and device for assisting a driver in getting on and off and a vehicle. The method comprises the steps that under the condition that a driver getting on and off assisting function is activated and started, steering wheel sensor data and motor sensor data are obtained; based on the steering wheel sensor data and the motor sensor data, obtaining a driver input torque through a preset kinetic model used for estimating a torque used by a driver to rotate a steering wheel; the driver input torque is converted into a motor torque instruction, and the execution control system drives the motor to rotate reversely according to the motor torque instruction to generate counter-acting force to prevent the driver from rotating a steering wheel. A kinetic model is used for analyzing steering wheel sensor and motor sensor data to estimate driver input torque. When a driver gets on and gets off a vehicle, motor counterforce is output in real time according to torque input by the driver, so that the steering wheel can be intelligently controlled to be in a locked state, accidental rotation of the steering wheel is effectively prevented, and torque rebound is avoided.

The invention discloses a multifunctional automatic laser cutting machine, and relates to the technical field of laser cutting, the multifunctional automatic laser cutting machine comprises a base, a support is fixedly mounted at the top of the base, a first motor is fixedly mounted at the top of the support, a threaded rod is fixedly mounted at the output end of the first motor, and a sleeve is in threaded connection with the threaded rod; a clamping device is arranged at the top of the base, a collecting device is arranged at the top of the base, a ventilation device is arranged at the top of the clamping device, and the clamping device comprises an electric push rod, cutting equipment, a laser head, a bevel rod, a cutting table, a clamping plate, a first bevel block, a connecting rod and a protective plate. A workpiece can be effectively fixed to the cutting table, the workpiece is prevented from moving or shaking in the laser cutting process, the cutting precision is improved, and the connecting rod moves to drive the protection plate to move.

The utility model relates to the technical field of electrical equipment, and discloses an electrical equipment transportation device which comprises a transportation vehicle body, a bottom plate is fixedly installed at the bottom of the transportation vehicle body, a first sliding groove and a second sliding groove are formed in the top of the bottom plate, and the first sliding groove and the second sliding groove are formed in a penetrating mode; through the multiple dampers and the clamping plates, the clamping plates can fix the four sides of the electrical equipment at the same time, it is ensured that the equipment is more stable in the transportation process, shaking and displacement are reduced, damage to the equipment caused by collision or friction is avoided, the dampers can effectively absorb and disperse impact from the road surface, the vibration influence on the electrical equipment is reduced, and the service life of the electrical equipment is prolonged. The internal structure and electronic components of the electrical equipment are protected from being damaged, the rollers at the bottom can be driven to move up and down for lifting through the lifting plate and the rollers, and when the equipment needs to be positioned or fixed, the rollers can move upwards, so that the electrical equipment is stably placed on the ground or other planes, and the equipment is prevented from sliding or moving.

The invention discloses a traveling wave electric curtain lunar dust conveying device based on three-dimensional electrodes, and relates to the field of lunar dust conveying. In order to solve the problems of low utilization rate of an electric field, easy abrasion of equipment and high energy consumption in the existing lunar dust transportation work in the prior art, the technical scheme provided by the invention is as follows: the traveling wave electric curtain lunar dust transportation device based on the three-dimensional electrode comprises a substrate; the wedge-shaped microstructure is arranged on the upper surface of the substrate, and the wedge-shaped microstructure is in a triangular prism shape; and the electrodes are arranged on the side walls of the wedge-shaped microstructures and used for generating electrodes and transporting lunar dust particles. The invention also provides a traveling wave electric curtain lunar dust transportation method based on the three-dimensional electrode, the method is realized based on the device, and the method comprises the following steps: collecting the motion state of lunar dust particles; a step of adjusting a driving voltage according to the motion state; and driving the electrode according to the adjusted driving voltage. The lunar dust conveying device is suitable for lunar dust conveying work.

The utility model discloses a circuit board drilling mechanism in the field of drilling mechanisms, which comprises a processing table, the processing table is connected with a clamp fixed on the surface of the processing table, the surface of the clamp is provided with at least two limiting grooves used for placing a circuit board, the bottom of each limiting groove is provided with at least one hole used for drilling, and the clamp is further sleeved with a gland covering the upper end face and the outer side face. The top of the gland is provided with at least two hollowed-out positions communicated with the corresponding limiting grooves, the hollowed-out positions are provided with at least two protruding parts used for being pressed on the surface of the circuit board, a movable machine head is arranged above the clamp, and the machine head is connected with a drill bit for drilling holes towards the limiting grooves. A plurality of circuit boards can be placed on the clamp at a time for drilling processing, the processing efficiency is greatly improved, meanwhile, the gland for flattening and fixing the circuit boards is additionally arranged on the surface of the clamp, the position fixity of the circuit boards during drilling processing is further enhanced, the circuit boards are prevented from moving or being ejected upwards, and the circuit boards are prevented from being damaged. And the drilling quality of the circuit board is improved.

The utility model discloses a ton barrel transfer device with good protection performance, and relates to the technical field of ton barrel transfer devices, the ton barrel transfer device comprises a forklift structure, two protection structures are arranged on the forklift structure, the two protection structures are symmetrically arranged, each protection structure comprises a lifting part, a protection part is arranged on each lifting part, and each protection part comprises a clamping assembly. The forklift structure comprises a mounting plate, two first metal strips are arranged on one side of the mounting plate, a pallet fork is arranged on the mounting plate, the lifting component comprises two fixing plates fixedly connected with the pallet fork, and a threaded rod is rotationally connected between the two fixing plates. According to the utility model, the ton barrel can be clamped and limited, so that the ton barrel is protected, the stability is improved, the danger during use is reduced, and meanwhile, the position of the protection part can be adjusted according to the height of the ton barrel, so that the protection part is positioned in the middle of the ton barrel, and the protection effect is improved.

The invention discloses a crankshaft chain wheel burr cleaning device, and relates to the technical field of crankshaft chain wheel machining, according to the technical scheme, the crankshaft chain wheel burr cleaning device comprises a workbench, and a multi-directional cleaning mechanism and a limiting mechanism are arranged at the top of the workbench; the multi-directional cleaning mechanism comprises an electric push rod which is fixedly arranged at the bottom of the workbench, the output end of the electric push rod is fixedly connected with a second connecting shell, a third motor is fixedly arranged on one side of the second connecting shell, the output end of the third motor is fixedly connected with a second lead screw, and the screwing directions of threads on the two sides of the exterior of the second lead screw are opposite. The crankshaft chain wheel burr cleaning device has the beneficial effects that automatic and efficient cleaning of crankshaft chain wheel burrs is achieved, the cleaning angle of the cleaning roller can be accurately adjusted through the design of the multi-directional cleaning mechanism, it is guaranteed that burrs on the vertical edges, the top face and the bottom face of chain wheel teeth are comprehensively and thoroughly cleaned, the cleaning quality is improved, the cleaning direction of the cleaning assembly is flexibly changed, and the cleaning efficiency is improved. The universality and applicability of the device are improved, and the labor cost is reduced.

The invention relates to the technical field of high-density packaged chips, in particular to a high-density packaged chip and a packaging structure, the high-density packaged chip comprises a mounting shell, a cover plate, a positioning mechanism and a circuit connecting mechanism, a substrate is arranged in the mounting shell, a mounting groove is formed in the substrate, and a chip is placed in the mounting groove; the cover plate is arranged at the top of the mounting shell; a silver paste bonding layer is arranged in the mounting groove and is used for fixing the chip; a heat-conducting plate is arranged at the top of the chip; the positioning mechanism comprises a positioning plate, a positioning bolt and a clamping block; the positioning plate is arranged above the heat conducting plate, the clamping blocks are arranged at the two ends of the positioning plate, and the inner walls of the ends, extending out of the mounting shell, of the clamping blocks are clamped with the outer side wall of the mounting shell; a positioning hole is formed in the base plate; a positioning bolt is arranged at the bottom of the positioning plate; a plurality of welding spots are arranged on the two sides of the top of the heat conducting plate and connected with the circuit connecting mechanism. The packaging structure provided by the invention has good thermal conductivity, and provides enough space for integration of other elements while ensuring stable installation of the chip.

The invention relates to multi-process combined injection molding equipment and an injection molding method.The injection molding equipment comprises a mold closing assembly, a range finder, a first injection assembly, a gas injection assembly, a second injection assembly, a manipulator and an infrared heater, the mold closing assembly comprises a fixed mold plate and a movable mold plate which are oppositely arranged, and a mold is arranged between the fixed mold plate and the movable mold plate; the range finder is arranged on the mold; the first injection assembly is used for injecting a foaming material of a product main body into the mold, and the first injection assembly communicates with the gas injection assembly; the second injection assembly is used for injecting a second component material into the mold; the manipulator is used for clamping the thermoplastic organic sheet, and the infrared heater is used for heating the thermoplastic organic sheet. Compared with the prior art, integrated lightweight product machining is completed on the same equipment, multiple parts are directly connected when formed in the mold, product transfer and recombination caused by multiple independent procedures are avoided, and the production efficiency and the production quality are effectively improved.

The invention relates to the technical field of furniture machining, in particular to a hardware laser cutting device for furniture machining and a cutting method.The top of the inner wall of the laser cutting device is fixedly connected with a master control frame, and the bottom of the master control frame is fixedly connected with a control mechanism; according to the laser cutting device, the control mechanism, the control frame and the transmission assembly are arranged, the problem that in the laser cutting process, due to movement or vibration of the metal fixing plate, the cutting precision is reduced can be effectively solved, the whole cutting process is high in automation degree, and operation is easy and convenient; the production efficiency and cutting precision of hardware for furniture machining are greatly improved, specifically, when a metal fixing plate is cut through laser, a bidirectional hydraulic push rod is activated firstly, a push-pull block and a push-pull cross rod are pulled to move in a C-shaped sliding groove, then a rotating rod and an L-shaped retracting and expanding rod are made to slide, and a thickness sensing clamping plate is driven to clamp the metal fixing plate.

The utility model relates to the technical field of electromechanical equipment, in particular to an electromechanical equipment installation adjusting device. The technical problems that existing electromechanical equipment usually needs a positioning structure to be installed, the height adjusting range of the equipment is limited by the positioning structure due to the fact that different electromechanical equipment needs different working heights, the positioning structure needs to be frequently replaced to adapt to the installation height of the equipment during adjustment, the cost and complexity are increased, and the equipment is difficult to adjust are solved. And the performance and the installation efficiency of the equipment are influenced. According to the technical scheme, the electromechanical equipment installation adjusting device comprises a fixing frame, an adjusting assembly and a fixing assembly; the overall height of the device is adjusted along the interior of the limiting sleeve plate by adopting the movable plate to drive the screw rod, different installation requirements and environmental conditions are met, it is ensured that the movable plate can accurately stop at the needed position after adjustment, and accurate control over the height of the electromechanical equipment is achieved.

The utility model discloses a steel strength detection device, and particularly relates to the technical field of constructional engineering detection, the steel strength detection device comprises a base, and two clamping assemblies are mounted in the base; the two clamping assemblies each comprise a hydraulic rod, a movable plate is installed at the output end of each hydraulic rod, two first pushing rods are installed on the left side and the right side of each movable plate, shells are installed on the outer sides of the multiple first pushing rods, movable rods are installed in the multiple first pushing rods, and second pushing rods are installed on one sides of the left first pushing rod and the right first pushing rod. Compared with the prior art, by arranging the clamping assembly, one ends of the first push rods move to push the sliding blocks on the two sides to move relatively, the two sliding blocks are used for driving the clamping plates to clamp and fix the two sides of steel, and the steel can be effectively prevented from moving or shaking in the detection process; the stability and the accuracy of a measurement result are improved, and the detection precision is improved.

The utility model discloses a sand box for casting, which relates to the technical field of sand boxes and comprises a lower box body, first handles are respectively arranged at the front end and the rear end of the lower box body, limiting blocks are fixedly connected at four corners of the upper end of the lower box body, an upper box body is arranged at the upper end of the lower box body, and second handles are respectively arranged at the front end and the rear end of the upper box body. Under the combined action of the lower box body, the limiting block, the upper box body, the connecting plate, the adjusting bolt and the movable plate, the sand box can be conveniently combined, fixed and disassembled during use, under the combined action of the placing frame, the telescopic push rod, the clamping plate, the lifting device and the push plate, the sand box can be conveniently clamped and fixed, and the sand box is prevented from being damaged during casting. When the sand box moves or inclines, under the combined action of a base, a vibrator, a telescopic rod, a second spring and a buffer seat, when the sand box is used, casting sand in the sand box can fully flow when being filled, and the compactness of the sand box is ensured.

The invention discloses a fire coupling fuse machine for mechanical production, and relates to the technical field of fuse machines. The device comprises a heating plate, the heating plate is arranged to be circular and used for melting the ends of different fire couplings, a driving assembly is fixedly connected to the top of a base, the inner side face of the driving assembly is fixedly connected with the outer side face of the heating plate, and the bottom of a splicing assembly is fixedly connected with the side, away from the base, of a sliding table air cylinder. The splicing assembly is fixedly connected with the output end of the sliding table air cylinder, the auxiliary assembly is fixedly connected with the top of the base, the splicing assembly can drive the fire coupling to quickly get close to and get away from the base, the heating plate is taken out, the situation that the melting part of the end of the fire coupling is torn down due to direct taking out of the heating plate is avoided, and the length of the spliced fire coupling is not affected; and the auxiliary assembly can support the fire coupling, so that the fire coupling is conveniently inserted into the splicing assembly, the fire coupling is prevented from tilting when the splicing assembly is inserted, and the influence on fixation of the fire coupling is avoided.

The invention is suitable for the technical field of spinning twisters, and provides a combined type wire winding cylinder device which comprises a bottom plate, two supporting columns are arranged on the bottom plate, two concave connecting shafts are rotationally connected to the opposite faces of the two supporting columns, a wire winding cylinder is arranged between the two concave connecting shafts, and the wire winding cylinder is arranged on the bottom plate. A convex connecting shaft is fixedly connected to the surface of the side, close to the concave connecting shaft, of the wire winding barrel, the convex connecting shaft is connected with the concave connecting shaft in a mortise and tenon joint mode, a transverse adjusting assembly for controlling the two supporting columns to transversely move is arranged on the bottom plate, and a supporting assembly for supporting the wire winding barrel is arranged on the lower side of the convex connecting shaft. According to the device, the combined wire winding barrel is arranged, so that the operation steps of mounting and dismounting the wire winding barrel are simplified, and the efficiency and speed of mounting or dismounting the wire winding barrel are improved.

The invention discloses a house concrete structure spraying maintenance device which comprises a base frame, the top of the base frame is connected with a water storage tank, the upper portion of an inner cavity of the water storage tank is rotationally connected with a two-way screw rod, the outer wall of the two-way screw rod is in left-right symmetrical threaded connection with first nut seats, and inclined supporting rods are hinged to the upper ends of the first nut seats; the top of the lifting table is connected with guide rods in a front-back mode, the guide rods are movably sleeved with sliding sleeves, a translation base is connected between the two sliding sleeves, the top of the translation base is connected with an extension arm, the end of the extension arm is connected with a U-shaped base, and the inner wall of the U-shaped base is connected with a deflection shaft in a front-back rotating mode; an annular seat is connected between the two deflection shafts, and a spraying shell is mounted in the annular seat; the spraying maintenance device is reasonable in structural design, spraying maintenance operation can be achieved on vertical or horizontal or inclined concrete structural surfaces, the spraying coverage area can be adjusted, and dead-corner-free maintenance operation is achieved.

The invention discloses O-shaped ring whole mold full-inspection equipment and a detection method thereof. The O-shaped ring whole mold full-inspection equipment comprises a detection table; the mounting table is fixedly mounted at the top of the detection table; the translation turnover mechanism is fixedly connected to the top of the detection table; the fixing tool is fixedly mounted in the translation turnover mechanism; the detection mechanism is located at the top of the fixing tool, and the top of the detection mechanism is fixedly connected with the bottom of the mounting table; and the positioning mechanism is located at the bottom of the fixing tool, and the bottom of the positioning mechanism is fixedly connected with the top of the detection table. The invention aims to solve the technical problems that when the existing O-shaped ring detection equipment is used for detecting the surface defects of the O-shaped ring, the O-shaped ring and a die of the O-shaped ring are inconvenient to automatically turn over and discharge, and manual work is needed to participate in turning and discharging operation, so that the labor cost is increased, and the detection efficiency of the surface defects of the O-shaped ring is reduced.

The invention relates to the technical field of manipulators, in particular to a punching machine three-axis manipulator which comprises a supporting mechanism, a moving mechanism, a clamping mechanism and a limiting mechanism. The supporting mechanism is used for mounting and fixing the moving mechanism and the limiting mechanism; the moving mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism; the clamping mechanism comprises a plurality of clamping jaw assemblies and corresponding arm rods, the clamping jaw assemblies comprise the first clamping jaw assembly and the second clamping jaw assembly, the first clamping jaw assembly is used for clamping materials through vacuum adsorption, and the second clamping jaw assembly is used for clamping the materials through electromagnetic adsorption; the arm rod is used for fixing each clamping jaw assembly and adjusting the relative position between each clamping jaw assembly and the moving mechanism; and the limiting mechanism comprises a plurality of limiting supports and is used for limiting the moving position of the clamping mechanism in the third preset direction. The stability in the material moving process can be improved, and the materials can be stably and rapidly moved to the next stamping station.

The utility model discloses a citrus hybrid seedling planting centralizing device, and belongs to the field of agricultural production equipment. The citrus hybrid seedling planting centralizing device comprises a supporting frame and further comprises an arc-shaped plate fixedly connected to the top end of the supporting frame, a limiting plate is fixedly connected to the arc-shaped plate, a mounting base is slidably connected to the limiting plate, and an adjusting plate is slidably connected to the mounting base; the supporting plate is fixedly connected to the bottom of the supporting frame, a limiting nail is arranged on the supporting plate, a gradienter is fixedly connected to the outer wall of the supporting frame, and the gradienter is matched with the limiting nail; according to the device, inclined citrus hybrid seedling trunks can be propped and centralized, so that the citrus hybrid seedling trunks are restored to a vertical growth state, uneven pressure on root systems is reduced, damage to the roots is avoided, the stability of the trunks is improved, the risk of lodging of the citrus hybrid seedlings is reduced, and the subsequent overall growth state of the citrus hybrid seedlings is guaranteed.

The embodiment of the invention provides a vehicle monitoring method and system based on an electronic fence, electronic equipment and a storage medium, and belongs to the field of intelligent traffic monitoring. The method comprises the following steps: acquiring position information of a to-be-monitored vehicle, comparing the position information with a preset boundary of an electronic fence, and determining the condition that the to-be-monitored vehicle enters and exits the electronic fence; according to an electronic fence and a monitoring mode preset by a user, the state of the vehicle to be monitored is judged, and a corresponding monitoring or management action is triggered. According to the technical scheme, a user can customize the electronic fence and the monitoring mode according to actual requirements, personalized monitoring is achieved, the time when the vehicle enters and exits the fence and vehicle related information are accurately recorded, once the vehicle leaves a set area without authorization, management measures can be taken immediately, and then the vehicle is prevented from being stolen, misused or illegally moved.

The invention relates to the technical field of electrical automation, in particular to a wire bridge for electrical automation. The cable tray comprises a cable tray body, two pairs of supporting plates are symmetrically and fixedly connected to the inner side of the cable tray body, extension springs are fixedly connected to the inner walls of the multiple supporting plates, a transverse plate is fixedly connected between the ends of the extension springs, and a guide groove is formed in the inner wall of the transverse plate; a plurality of heat dissipation holes are formed in the positions, on the inner sides of the transverse plates, of the two sides of the guide grooves, and a plurality of clamping assemblies are arranged at the positions, below the transverse plates, in the bridge body; the electric wires are restrained by the clamping assemblies, cross winding is avoided, then force is applied to the hinging pieces through the hinging plates, the distance between the cables is adjusted, the arrangement of the electric wires in the bridge body is more regular, the disordered crossing situation is reduced, and meanwhile the heat dissipation effect is improved through the adjustment of the distance between the electric wires and heat dissipation holes formed in a transverse plate. Therefore, the air flowing space between the electric wires is increased, and poor heat dissipation is prevented.

The utility model relates to the technical field of tempered glass processing, in particular to a synchronous water spraying device for tempered glass trepanning processing. The technical problems that according to an existing trepanning machining device, a special drill bit is usually adopted for completing trepanning operation, due to the fact that tempered glass is high in hardness, a large amount of heat can be generated during drilling, a transmission pipe cannot synchronously spray cooling liquid along with the drill bit in time for cooling and heat dissipation, the drill bit can be possibly overheated, and abrasion of the drill bit is aggravated are solved. The drill bit is deformed or fractured, and the product quality is influenced. According to the technical scheme, the synchronous water spraying device for tempered glass trepanning machining comprises a workbench, a machining assembly, a conveying assembly and a positioning assembly. The spraying pipe synchronously sprays water and cools along with drilling of the drill bit, the surface temperature of drilled glass can be rapidly reduced in time, thermal expansion and thermal stress are reduced, glass burst is prevented, the drilling speed is increased, meanwhile, water flow can keep the surface of the glass in a wet state, and glass fragments are reduced.

The present invention relates to the technical field of vacuum pumps, and specifically to a high-speed turbine vacuum pump, comprising: a guide housing, a pump shaft is movably installed through the middle of the guide housing, and a plurality of turbine assemblies with equal spacing and linear distribution are installed on the outer side of the pump shaft; the pump shaft is cylindrical, and a plurality of fixed bosses with equal spacing and linear distribution are fixedly sleeved on the outer side; an annular sleeve is fixedly installed in the middle of the turbine assembly, the annular sleeve is slidably sleeved on the outer side of the fixed boss through a polygonal through groove, and a staggered notch is sleeved on the outer side of the end of the movable boss; the beneficial effect is: by fixing a plurality of fixed bosses with equal spacing and sleeved on the pump shaft, the outer sides of the fixed bosses and the movable bosses are sleeved with turbine assemblies, when the pump shaft rotates, the plurality of turbine assemblies can rotate synchronously, and when the turbine assembly is disassembled and replaced, the limit stopper at one end of the pump shaft is removed, and the turbine assembly can be disassembled, repaired, replaced, etc.

The utility model discloses a lithium battery aluminum foil carrying device, and relates to the technical field of aluminum foil carrying, the lithium battery aluminum foil carrying device comprises a bearing bottom plate, a plurality of storage frames are fixedly arranged above the bearing bottom plate, one side of each storage frame is provided with an opening, the opening side of each storage frame is hinged with a cover plate, the cover plate is in threaded connection with a screw rod, and the inner end of each screw rod is fixedly provided with a pressing plate; a hand wheel is fixedly installed at the outer end of the screw rod, connecting blocks are fixedly installed on the two sides of the storage frame, sliding ways of a step-shaped structure are formed in the connecting blocks, sliding blocks of a step-shaped structure are arranged in the sliding ways, and a limiting rod is fixedly installed between the sliding blocks on the two sides. Through the combination of the screw and the pressing plate, the stable fixing effect is provided, the aluminum foil is prevented from falling or moving in the carrying process, through the design of the limiting rod, when the inner wall face of the limiting rod is attached to the outer wall face of the cover plate, the cover plate can be effectively prevented from being accidentally opened, and therefore the aluminum foil is prevented from sliding out in the carrying process, and the service life of the aluminum foil is prolonged. And the carrying safety is greatly improved.

The utility model provides a lamp, and relates to the technical field of lighting appliances. The lamp comprises a first light-transmitting cover, a base and a connecting piece. The first light-transmitting cover comprises a cover body and a mounting part. The cover body is provided with a containing cavity and an opening, and the opening is located at one end of the cover body and communicated with the containing cavity. The mounting part is arranged at one end of the cover body and surrounds the periphery of the opening, a locking groove and a first positioning part are arranged on the mounting part, the locking groove extends in the circumferential direction of the mounting part, and the first positioning part is arranged in the locking groove. The base covers the opening in a sealing mode, the connecting piece is connected to the side, facing the opening, of the base, the connecting piece is provided with a fixing part and a second installation part, and the fixing part is contained in the locking groove and can move in the extending direction of the locking groove, so that the second positioning part and the first positioning part are matched in an embedded mode. The first positioning part and the second positioning part are arranged on the fixing part and the locking groove, so that quick positioning can be realized, and the connection tightness can be improved.

The utility model discloses a cutter for PVC wallboards, which comprises a support of an L-shaped structure, a mounting groove is arranged on a vertical section of the support, a first screw rod is rotatably mounted on the vertical section of the support, a first moving block is in threaded connection with the first screw rod, a connecting frame is fixedly mounted on the first moving block, a second screw rod is rotatably mounted on the connecting frame, and the second screw rod is in threaded connection with the first moving block. And a bottom frame is fixedly installed on the horizontal section of the support, a third screw rod is rotationally installed on the horizontal section of the support, a third moving block is in threaded connection with the third screw rod, and a vertical plate is fixedly installed on the top of the third moving block. According to the cutter for the PVC wallboards, the position of the cutting machine can be accurately adjusted, the PVC wallboards of various specifications can be fixed, shaking and moving of the wallboards in the cutting process can be effectively prevented under the action of the fixing assembly, and the cutting accuracy and safety are guaranteed.

The invention discloses a plate flattening and shearing production line with high feeding precision and a using method, and relates to the technical field of plate flattening and shearing, the plate flattening and shearing production line comprises a plate flattening and shearing main body, a flattening chamber and a shearing chamber are formed in the plate flattening and shearing main body, and laser displacement sensors are mounted at outlets and inlets of the flattening chamber and the shearing chamber; acoustic sensors are mounted on the side walls of the flattening chamber and the shearing chamber; a top limiting module and a shearing module are mounted on the top wall of the shearing chamber, the top limiting module is used for fixing a plate from the top in the shearing process, and the shearing module is used for shearing the plate; a side face limiting module is installed on the side wall of the shearing chamber and used for fixing the plate from the side face in the shearing process. By installing the top limiting module, the side face limiting module and the shearing module, the problems that in the plate machining process, the feeding precision is low, the machining efficiency is low, flexibility is insufficient, and the machining quality is unstable can be solved.