86results about How to "Easy to disassemble, assemble, repair and replace" patented technology

The invention relates to an intelligent folding scooter which comprises a front scooter body and a rear scooter body. The front scooter body and the rear scooter body are connected in a foldable mode through a front scooter body and rear scooter body connecting piece. The front scooter body comprises handlebars, a handlebar lifting rod and a driving wheel, wherein the handlebars are connected to the two sides of the top end of the handlebar lifting rod through threads, a front wheel fork piece is fixedly arranged at the bottom of the handlebar lifting rod, and the driving wheel is rotationally installed on the front wheel fork piece. The rear scooter body comprises a pedal, a folding device and a rear wheel, wherein the folding device is fixedly installed at the front end of the pedal and provided with a folding footstep, the front scooter body and rear scooter body connecting piece is movably connected to the folding device, a rear wheel installation base is arranged at the rear end of the pedal, the rear wheel is rotationally installed on the rear wheel installation base, a battery locking device and a controller are arranged on the handlebar lifting rod, a detachable and replaceable battery pack is installed on the battery locking device, and the controller is electrically connected with the detachable and replaceable battery pack. The intelligent folding scooter is light and flexible, easy to fold and store, complete in function and good in man-machine interaction performance.

The invention relates to a medical ward intelligent terminal based on internet of things technology, comprising a bed-head sensing layer, an information transmission layer and an application processing layer; the bed-head sensing layer comprises an intelligent bed-head terminal positioned on a bed-head wall and at least one extension unit electrically connected to the intelligent bed-head terminal, the information transmission layer comprises a wired and / or wireless network interface and a data interaction server, the intelligent bed-head terminal is connected to the data interaction server through a wired network interface, the data interaction server is connected to an existing network of a hospital information system through a wired and / or wireless network interface, and the application processing layer comprises a management and service module running on the intelligent bed-head terminal; the intelligent bed-head terminal comprises a master control HMI (human-machine interface) main unit and a touch interactive screen. The medical ward intelligent terminal has high automatic integrity and high extensibility, is effective in assisting medical staff in providing precise, accurate, elaborate nursing, nursing skill level of medical staff is increased, nursing information and intelligence levels are increased.

The invention relates to a core wire extruding production line for a flame-retardant power cable. The core wire extruding production line comprises an electric power pay-off machine, a vertical tension bracket, a wire preheater, a plastic extrusion mechanism, a cooling and drying mechanism, a traction mechanism, a spark tester, a laser marking machine, a wire storage tension bracket, a take-up mechanism and a PLC electronic control platform, which are sequentially arranged, wherein the plastic extrusion mechanism comprises an automatic feeding device and a twin-screw extruder; the cooling and drying mechanism comprises a first segment of cooling water channel, a second segment of cooling rotary box and a blowing dryer; a hot end outside diameter measuring instrument is arranged between the twin-screw extruder and the first segment of cooling water channel; a cold end outside diameter measuring instrument is arranged between the spark tester and the laser marking machine; the take-up mechanism comprises a take-up meter counter and a double-shaft winding take-up machine; the PLC electronic control platform is arranged at the tail end of the double-shaft winding take-up machine, and is in communication connection with equipment on the production line through a field bus; and intelligent full-automatic control is carried out on the overall production line, so that high-speed and high-quality production of the flame-retardant power cable is achieved.

The invention relates to a control system and a control method of a lithium cell type solar LED street lamp. The control system comprises a solar cell panel, a power supply lithium cell assembly, a brightness-adjustable LED lamp, a constant-current dimmer and an intelligent controller. The solar cell panel, the power supply lithium cell assembly and the constant-current dimmer are connected with the intelligent controller. The brightness-adjustable LED lamp is connected with the constant-current dimmer. The intelligent controller comprises a control mainboard, a cell panel management module, a lithium cell management module and an LED lighting driving module. The LED lighting driving module is connected with the control mainboard. The power supply lithium cell assembly comprises a lithium cell set, a cell protecting board, a constant-temperature control board and a heating board. The lithium cell set, the constant-temperature control board and the heating board are connected with the cell protecting board. The cell protecting board is connected with the intelligent controller. According to the control method, one or a set of lighting curves is generated through the intelligent controller according to a user decision table, and furthermore a certain lighting curve is selected for performing dimming on the brightness-adjustable LED lamp, thereby satisfying a road requirement of a user.

The invention relates to a convenient-to-clean solid catalyst atomization drying system which comprises a drying tower of a vertical cylindrical structure, an electric high-speed centrifugal atomizer, a feeding device, a heating device, an air moisture cooling device, a discharging device, a waste gas recovery device, a cleaning device and an intelligent control cabinet, wherein the electric high-speed centrifugal atomizer is arranged on the inner central axial line at the top of the drying tower; the feeding device is connected to a feed opening in the drying tower; an air filter is arranged at the front end of the heating device; the discharging device is arranged at the bottom of the drying tower; a refrigeration dehumidifier is arranged at the front end of the air moisture cooling device; the waste gas recovery device is used for delivering waste gas to the periphery of the outer side of a tower body of the drying tower through a waste gas recovery tower; the cleaning device comprises a clear water tank and a rotating cleaning device; the intelligent control cabinet is used for automatically controlling the whole working process of the system in a centralized way. The whole system is convenient to control and manage and high in drying efficiency, and has good energy-saving effects, and the pollution to the atmospheric environment caused by the waste gas is avoided.

The invention relates to a smart home appliance control system based on internet of things, comprising a client management system, a wireless gateway, a ZigBee wireless network, a home appliance, a smart socket and a network home appliance, wherein the client management system comprises a home handheld remote controller and a remote client, the remote client is in communication connection with the wireless gateway via a network, the handheld remote controller is connected with the wireless gateway via WIFI, the wireless gateway is connected with the smart socket via the ZigBee wireless network, the wireless gateway is connected with the network home appliance via WIFI, and the network home appliance and the home appliance are connected to the mains supply via the smart socket; a first smart controller is arranged in the home appliance, a WIFI wireless module and a second smart controller are arranged in the network home appliance, a ZigBee wireless module and a third smart controller are arranged in the smart socket, and the first smart controller of the home appliance is connected with the third smart controller of the smart socket via a serial communication bus. The system improves the intelligence and digital level of home life.

The invention relates to a foam plastic combined stripping and transecting machine comprising a rack, an active foam plastic unreeling device, a release paper automatic feeding passive unreeling device, a heating combined device, a multi-blade stripping device, a storage rack, a material pulling transecting device and a discharge traverse support plate that are arranged on the rack. The rack at the back end of the foam plastic active unreeling device is provided with a foam plastic coiled material traction conveying device; the rack where the release paper automatic feeding passive unreeling device is provided with a brake; the heating combined device is arranged on the rack above the release paper automatic feeding passive unreeling device; a release paper correcting device is arranged between the release paper automatic feeding passive unreeling device and the heating combined device; the rack at the back end of the heating combined device is provided with the multi-blade stripping device; the storage rack is arranged at the back end of the multi-blade stripping device; and the material pulling transecting device is arranged at the back end of the storage rack. The entire machine is automatically controlled by a PLC human-machine interface, with the operations being simple and the functions being complete, thereby increasing the production efficiency and the quality of foam plastic strips.

The present invention relates to a centrifugal spray drying apparatus capable of preventing a catalyst from adhering to walls. The apparatus comprises a centrifugal drying tower, a feeding apparatus, a heating apparatus, a cooling feeding device, a dust removal and evacuation apparatus and an intelligent control box; the middle of the top of the drying tower is provided with a volute hot air distributor and a variable frequency centrifugal atomizer, a heating apparatus is connected to an air inlet of the volute hot air distributor via a hot air pipeline, the cooling feeding device is mounted on the bottom of the drying tower, the upper side wall of the inside of the drying tower is provided with a cloth filter chamber, the bottom of the cloth filter chamber is open, the outer side of the drying tower is provided with a cooling sandwich layer, and the intelligent control box is connected to the variable frequency centrifugal atomizer, a material conveying pump, the heating apparatus, the cooling feeding device, an air outlet fan, an induced draft fan and an electric butterfly valve via wires, and working parameters of the whole drying apparatus are controlled accurately. The apparatus is high in drying speed and simple and stable in operation, and the circumstance that materials are adhered to walls is avoided, so that drying quality of the catalyst and the continuity of the drying operation are improved.

The invention relates to a high-speed programming device supporting various communication modes. The programming device includes a PCB (Printed Circuit Board) board. A microprocessor, an internal storage chip, a voltage conversion module, a power supply interface, an SPI (Serial Peripheral Interface) interface, a CAN interface and external signal triggering buttons are arranged on the PCB board. The microprocessor has 2 or more sets of SPI signal lines. The internal storage chip is connected with the microprocessor through a set of the SPI signal lines. The SPI interface is connected with themicroprocessor through the remaining SPI signal lines. Output ends of the voltage conversion module are connected with power supply ends and ground ends of the microprocessor and the internal storagechip. The CAN interface is connected with CAN H / L ports of the microprocessor. The external signal triggering buttons are connected with I / O ports of the microprocessor. The power supply interface isconnected with input ends of the voltage conversion module. The high-speed programming device is portable, is easy to carry and operate, and is suitable for use in offline upgrading of ECUs (electronic control units) of automobile combined-instruments and the like and online upgrading after automobile installation.

The invention relates to an automatic side alignment high speed cloth inspecting machine, which comprises a rack and an unwinding deice, a cloth inspecting device, a rolling device, an electric eye automatic side alignment device, an electric tension-free adjusting device, an automatic measuring device and an automatic control box that are set on the rack, wherein the cloth inspecting device comprises an oblique cloth inspecting table-board and a light-gathering cover; the light-gathering cover totally covers the cloth inspecting table-board; the cloth inspecting table-board is provided with a plurality sets of linear array CCD cameras, a linear array LED light source and a camera lens; the electric tension-free adjusting device is set between the cloth inspecting device and the rolling device; the electric eye side alignment device is set below the electric tension-free adjusting device; the automatic measuring device is set between the electric tension-free adjusting device and the cloth inspecting device; the automatic control box is set at the most front end of the rack; and the automatic control box is provided with a touch display screen, a PLC controller and an image collecting processor. The whole machine has the advantages of high cloth inspecting efficiency, good cloth inspecting quality, low labor intensity, convenient operation and easy implementation and the machine is suitable for large-scale use in textile corporations.

The invention relates to a cutting device for a bearing steel tube. The cutting device is characterized by comprising a rack and a cylindrical shell fixed on the rack and further comprising a power component, a transmission part and a cutting part; the power component drives the cutting component to cut through the transmission component. The cutting device has the advantages that the cutting device is ingenious in overall structural design, convenient to disassemble, assemble, maintain and replace and low in cost; through the combination mode of blades and cutting blades, the steel tube is cut, and the blades are mainly used for ensuring that the steel tube stably enters the positions of the blades to guarantee cutting accuracy.

The present invention relates to a control system and method for dynamic load distribution for round billet continuous casting withdrawing-straightening motors. The system comprises an industrial personal computer, a PLC controller serving as a master station, a plurality of frequency transformers serving as slave stations, a plurality of DC speed adjusting transmission devices, and a plurality of round billet continuous casting withdrawing-straightening motors. The industrial personal computer is connected to the PLC controller by means of a network. The PLC controller is connected to the plurality of frequency transformers by means of a field bus. All the frequency transformers are in one-to-one communication connection with all the DC speed adjusting transmission devices. The DC speed adjusting transmission devices are in one-to-one communication connection with the round billet continuous casting withdrawing-straightening motors to perform variable frequency speed adjusting control on the withdrawing-straightening motors. The system is simple in structure, convenient to operate, easy to implement, and capable of effectively reducing the times of shutdown of the frequency transformers due to failures and the time of system startup / shutdown; thus, the fluctuation of the liquid level of a crystallizer is effectively reduced with prolonged service life of continuous casting equipment and improved surface quality of casting billets.

The invention relates to a novel intravenous injection transfusion sensor. The sensor comprises a sensor unit, a microcontroller, a sound-light alarm unit and a power supply. The sensor unit and the sound-light alarm unit are connected to the microcontroller through data cables. The power supply supplies power for the sensor unit, the sound-light alarm unit and the microcontroller, wherein the sensor unit comprises an accelerometer and a gas flowmeter. The accelerometer monitors a vibration signal of every drop of drug liquid dropping in an infusion tube observation bottle in real time, and the gas flowmeter monitors an air supply pulse signal of an air supply opening of an infusion bottle or an infusion bag in real time. The microcontroller synthetically calculates related signals and finally generates an infusion ending signal. Once receiving the infusion ending signal, the sound-light alarm unit instantly generates a sound-light alarm signal so as to remind a patient or a medical worker that the drug liquid in the infusion bottle or infusion bag drips off, and the infusion bottle or the infusion bag is replaced or an infusion is stopped. The novel intravenous injection transfusion sensor has dual monitoring insurance, monitoring is precise and no radiation energy is generated to affect delivery of the drug liquid.

The invention relates to a backlight source used for a liquid crystal television. The backlight source comprises a light guide plate assembly, an LED lamp strip, a PMMA diffuser plate, a DBEF light enhancement sheet, a black-white shading double-faced adhesive tape frame, a U-shaped inner glue frame and an outer iron frame, wherein the inner glue frame is arranged inside the outer iron frame, an LED lamp strip clamping groove is arranged at one end, disposed at the inner glue frame, on the inner wall of the outer iron frame, the light guide plate assembly, the PMMA diffuser plate and DBEF light enhancement sheet are successively arranged in the inner glue frame in an attached mode from bottom to top, the LED lamp strip is placed in the LED lamp strip clamping groove, the black-white shading double-faced adhesive tape frame is adhered to the top portion of the DBEF light enhancement sheet, the LED lamp strip clamping groove is completely shielded, and a liquid crystal display screen is adhered to the upper portion of the black-white shading double-faced adhesive tape frame; and the light guide assembly comprises an optical glass light guide plate and a reflective film layer adhered to the bottom of the light guide plate, the LED lamp strip comprises an aluminum-base copper-clad laminate and a plurality of SMD LED lamp beads, the LED lamp beads are welded to the aluminum-base copper-clad laminate, the LED lamp beads and the aluminum-base copper-clad laminate are attached together by use of heat conduction silica gel, and the LED lamp beads are right opposite to the side incident surface of the optical glass light guide plate.

The invention discloses a novel propelling mechanism with a quick-return characteristic and relates to a four-rod mechanism. The novel propelling mechanism with the quick-return characteristic comprises a machine frame, a motor, a lower disk, a connection rod slider, a first guide rail, a pushing claw, a first gear, a second gear, a propelling rack, a rotating rack and an upper disk. The motor is fixedly connected with the machine frame; a motor rotating shaft is connected with the lower disk; the rotating rack is fixed to the connection rod slider; one end of the connection rod slider is connected with the lower disk; the other end of the connection rod slider is installed on the guide rail, moves on the guide rail and meanwhile rotates along with the lower disk; the guide rail is fixed to the upper disk so that the guide rail can run around the circle center of a simultaneous gear; the first gear is engaged with the rotating rack; the first gear and the second gear are connected through a rotating shaft; the shaft is provided with the upper disk which is located between the first gear and the machine frame; the second gear is engaged with the propelling rack, and the propelling rack slides on a second guide rail through a slider; and the second guide rail is fixedly connected with a support which is fixedly connected with the machine frame, and a propelling gear is fixedly connected with the pushing claw.

The invention relates to a circular blank continuous casting terminal electromagnetic stirring control system. The system comprises an industrial controller, a PLC, a frequency converter and an electromagnetic stirrer; the industrial controller and the PLC are communicated through a network; the data interaction is performed between the PLC and the frequency converter through a scene bus; and the frequency converter and the electromagnetic stirrer are connected through a control cable. As control parameters of the frequency converter for controlling the electromagnetic stirrer in the system are intelligently controlled, the high matching of the operation current curve of the electromagnetic stirrer and the ideal curve is realized, the problems of short effective time of electromagnetic stirring at terminal and influence on peak current are effectively solved, the higher effect on improvement of the internal quality of circular blanks is achieved, and the requirements on quality by a production process are satisfied.

The invention relates to a road sign board. The road sign board comprises a cylindrical mounting rod, a fixed base and sign connectors, wherein a mounting groove is formed in the middle of the fixed base, a clamp groove is formed in the inner wall of the mounting groove, a fastener is arranged at the bottom of the cylindrical mounting rod, the cylindrical mounting rod is connected to the clamp groove in the mounting groove through the fastener in a clamped manner, the sign connectors are connected to the cylindrical mounting rod in a sleeved manner and can rotate 360 degrees on the cylindrical mounting rod, a protruding sign connecting plate is arranged on one side of each sign connector, and a sign is fixedly mounted on each sign connecting plate and provided with sign information. The road sign board which is in modularized combination and design and can be assembled into sign boards of various styles is simple in structure, low in cost, easy to mount and maintain and flexible in combination.

The invention relates to a double-layer cloth spreader with a precision slitting mechanism, comprising: a frame; a feeding mechanism, a rectifying mechanism, a feeding-pressing mechanism, the slitting mechanism, a trimming mechanism, a cross-cutting mechanism, a spreading mechanism and a conveying mechanism which are arranged on the frame; the splitting mechanism comprises a plurality of large-diameter slitting tools, a slitting motor corresponding to every slitting tool and driving the slitting tools, a motor support, a fixing plate, two parallel linear slides, a tool position adjusting device and a support base; the slitting tools are fixedly mounted on an output shaft of the slitting motor, the slitting motor is fixedly mounted at the top of the motor support, the bottom of the motor support is fixed to the fixing plate, one side of the fixing plate sleeves the two linear slides, the linear slides are fixedly mounted on the support base, the support base is fixedly mounted on the frame, and the tool position adjusting device is arranged on the fixing plate.

The invention relates to an intelligent automatic control system for an IoT intelligent dedusting device system, and particularly relates to an automatic control system for the safe running of a dedusting device system of flammable and explosive dust. The intelligent automatic control system includes an on-site on-off control device for controlling the on and off of a dedusting device, an on-site sensing data monitoring assembly, a lower computer, an industrial Ethernet and a host computer, the on-site on-off control device and the on-site sensing data monitoring assembly are connected with the lower computer, the lower computer is connected with the host computer via the industrial Ethernet, the data conversion module of the lower computer is connected with a data processing module via a data isolation module, an Ethernet communication module is connected with the data processing module, the data conversion module is connected with the on-site on-off control device and the on-site sensing data monitoring assembly, and the network communication interface of the ethernet communication module accesses to the industrial Ethernet. By means of such as system, the intelligentized automatic remote control without artificial intervention of the dedusting device in an enclosed environment can be realized, and the better and safe-running automatic dedusting control effect can be achieved.

The invention relates to a PLC-control-based electric flat carriage with two independent-driving wheels arranged diagonally. The electric flat carriage comprises a carriage frame, the two driving wheels arranged diagonally, two universal wheels arranged diagonally, independent power driving mechanisms, independent steering mechanisms, a PLC electric control cabinet and a drawer type battery box, wherein each independent power driving mechanism and each independent steering mechanism are arranged on one side of the corresponding driving wheel and connected with the driving wheel. The universal wheels are fixed to the bottom of the carriage frame through mounting bearing seats. Each independent power driving mechanism is provided with a driving spindle, a direct current motor, a speed reducer and a brake. Each independent steering mechanism is provided with a rotating base, a rotating head, a hydraulic steering oil cylinder and a hydraulic power unit, wherein the hydraulic power unit is provided with a hydraulic control valve. Each wheel rotating shaft is provided with a wheel rotating speed sensor. Each steering worm wheel is provided with a rotating angle sensor. The direct current motors, the hydraulic control valves, the wheel rotating speed sensors and the rotating angle sensors are all electrically connected with the PLC electric control cabinet. The drawer type battery box supplies power to the direct current motors and the PLC electric control cabinet.

The invention relates to an in-moulding decoration injection mould. The in-moulding decoration injection mould comprises a movable mould, a movable mould base, a fixed mould, a fixed mould base, a pouring core part, a female mould cavity, a male mould core and a supporting plate, wherein the movable mould base is used for allowing the movable mould to be fixedly installed, the fixed mould base is used for allowing the fixed mould to be fixedly installed, the pouring core part is arranged between the movable mould and the fixed mould, the female mould cavity is formed in the fixed mould, the male mould core is arranged on the movable mould, and the supporting plate is used for allowing the male mould core to be fixedly installed. The shape of the female mould cavity is matched with the shape of the male mould core, and a mould cavity for injection moulding is formed after the female mould cavity and the male mould core are combined. The movable mould and the fixed mould are connected through a stroke guide column in a limiting mode, cushion blocks are arranged between the movable mould base and the supporting plate, and a material jacking mechanism is arranged in a cavity which is defined by the movable mould base, the supporting plate and the cushion blocks. The in-moulding decoration injection mould is exquisite in integral structural design and convenient to operate, can achieve injection moulding and decorating integration and one-time forming, and can efficiently produce injection moulding products with quite high decoration and functionality.

The invention relates to a suspension type transparent indicator lamp. The suspension type transparent indicator lamp comprises a plastic steel framework, an LED module, a double-faced light guide plate assembly, a nickel-cadmium rechargeable battery, a transparent inflaming retarding glass fiber reinforced plastic mirror face, a control circuit board and infrared human body sensors. Pendant chains or booms are arranged on the top of the plastic steel framework. The transparent inflaming retarding glass fiber reinforced plastic mirror face is fixedly installed in fixing clamping grooves. The LED module, the nickel-cadmium rechargeable battery and the control circuit board are arranged in an inner cavity of the plastic steel framework. The infrared human body sensors are arranged on the bottom of one end or the bottoms of two ends of the plastic steel framework. The double-faced light guide plate assembly is embedded into a rectangular inner cavity of the transparent inflaming retarding glass fiber reinforced plastic mirror face in parallel. The LED module is arranged on the light incident side of the double-faced light guide plate assembly. The LED module, the infrared human body sensors and the nickel-cadmium rechargeable battery are electrically connected with the control circuit board. Indication characters and patterns are etched in the surface of the transparent inflaming retarding glass fiber reinforced plastic mirror face. The transparent indicator lamp is attractive in appearance and capable of saving energy and reducing emission and has a good lighting indication effect.

The invention relates to a full-automatic flame cutting device. The full-automatic flame cutting device is characterized in that the full-automatic flame cutting device comprises a cutting unit (1), a longitudinal compressing device (2), a transverse limiting device (3), a supporting wheel device (4), a finished product collecting box (5) and a device bottom plate (6), the cutting unit (1) is installed at one end of the device bottom plate in a welded mode, the longitudinal compressing device is installed on the device bottom plate in a welded mode, the finished product collecting box (5) is arranged between the cutting unit and the longitudinal compressing device (2), the transverse limiting device is installed on the device bottom plate through a limiting adjusting screw, and the supporting wheel device is installed at the other end of the device bottom plate.

The invention relates to a locating tool for assembly of an automobile navigation screen module. The locating tool comprises a working table, a main locator, a first auxiliary locator, a first elastic auxiliary locator, a second elastic auxiliary locator, first horizontal blocks, a second horizontal block, clearance locating blocks and return springs. The main locator, the first auxiliary locator, the first elastic auxiliary locator and the second elastic auxiliary locator are arranged on the table face of the working table. The first horizontal blocks are arranged in mounting grooves. The second horizontal block is fixedly connected with the working table through a fastener. A locating clamp groove is formed in each first horizontal block. Each clearance locating block is mounted in the corresponding locating clamp groove and provided with a spring containing cavity. Each return spring is arranged in the corresponding spring containing cavity. A limiting column is arranged on the first auxiliary locator, and guide columns are arranged on the first elastic auxiliary locator and the second elastic auxiliary locator and each sleeved with a reset spring. By means of the locating tool, the assembly efficiency and accuracy of the automobile navigation screen module are improved, and the scrap rate is reduced.

The invention relates to a tension-free compounding and slitting machine for elastic fabric, and belongs to the technical field of cloth cutting equipment. The whole tension-free compounding and slitting machine is automatically controlled by a human-computer interface of a PLC (Programmable Logic Controller). The tension-free compounding and slitting machine for the elastic fabric comprises a first unreeling mechanism, a second unreeling mechanism, a compounding mechanism and a slitting and reeling mechanism, wherein the first unreeling mechanism and the second unreeling mechanism are both connected with the compounding mechanism; the compounding mechanism is connected with the slitting and reeling mechanism; the first unreeling mechanism is a tension-free unreeling mechanism which consists of a first drive separator roll, a floating unreeling roll, a tension detection control device, a first linkage separator roll and a plurality of twitch rollers; the compounding mechanism is provided with a third driving separator roll, a water-cooling press roll and a glue spray device; the water-cooling press roll is close to the glue spray device and is used for compounding the elastic fabric; the slitting and reeling mechanism is provided with a stripping and cutting device, a first reeling shaft, a second reeling shaft and a magnetic powder clutch which brakes the reeling shafts. The whole tension-free compounding and slitting machine is practical and reliable in structure design, low in cost and good in economic benefit, and is capable of realizing the tension-free reeling and unreeling, compounding, and slitting production of the elastic fabric.

The invention relates to a finished brick clamp. The finished brick clamp comprises a crossbeam, a traveling mechanism, a lifting mechanism and a plurality of clamp frames, wherein the crossbeam is welded on the traveling mechanism; a track beam is welded on the crossbeam and is slidably connected with a moving beam through a plurality of pulley blocks; a clamp frame mounting crossbeam is mounted on the lower part of the moving beam; the clamp frames are mounted on the clamp frame mounting crossbeam; each clamp frame comprises an outer clamp frame and an inner clamp frame; the outer clamp frames are welded on the clamp frame mounting crossbeam; the inner clamp frames are positioned in the outer clamp frames, and are connected with the outer clamp frames through rotating shafts; and the tops of the inner clamp frames are connected with a hydraulic cylinder. The lifting mechanism is arranged in the middle of the top of the traveling mechanism, chain slings are arranged on the tops of the inner clamp frames arranged at the head end and the tail end of the clamp frame mounting crossbeam, and lifting chains are mounted on the chain slings and are in transmission connection with a chain wheel in the lifting mechanism. The whole equipment is easy to implement and high in work efficiency.

The invention relates to an automatic anti-collision device for packaging machine platens. The automatic anti-collision device comprises a PF wire transmission chain, a C-shaped hook, a clamping claw, a PF wire fixing support, a PLC, the packaging machine platens, a photoelectric detection device and an external alarming device. The C-shaped hook is fixed to the PF wire transmission chain in a hung manner. The packaging machine platens are arranged on the packaging machine base below the C-shaped hook. The clamping claw and the photoelectric detection device are fixedly mounted on the PF wire fixing support. The external alarming device is arranged on one sides of the packaging machine platens. A reserved platen opening is formed in the center axis of the top of each packaging machine platen and allows the C-shaped hook in the normal shape at the normal position to pass. The photoelectric detection device is arranged over the reserved platen openings. The photoelectric detection device and the external alarming device are both electrically connected with the PLC. According to the automatic anti-collision device, the position and the shape of the C-shaped hook can be detected automatically, and it is guaranteed that the coil extrusion operation by the platens is prohibited under the risky condition.

The invention relates to a fire control emergency indicator which comprises a stainless steel plastic spraying frame, a side light incidence type LED backlight source, a nickel-cadmium rechargeable battery, a transparent flame-resisting glass fiber reinforced plastic mirror surface, an anti-explosion audible and visual alarm and a control circuit board. A transparent flame-resisting glass fiber reinforced plastic mirror surface fixing clamping groove is formed in the stainless steel plastic spraying frame, and the transparent flame-resisting glass fiber reinforced plastic mirror surface is fixedly mounted in the fixing clamping groove. The nickel-cadmium rechargeable battery, the control circuit board and the anti-explosion audible and visual alarm are all arranged in an inner cavity of the stainless steel plastic spraying frame. The side light incidence type LED backlight source comprises an LED module and a light guide plate assembly. The light guide plate assembly is inserted into the transparent flame-resisting glass fiber reinforced plastic mirror surface in a parallel manner. The LED module is arranged on the light incidence side of the light guide plate assembly. The side light incidence type LED backlight source, the anti-explosion audible and visual alarm and the nickel-cadmium rechargeable battery are all electrically connected with the control circuit board. Indicating characters and patterns are etched on the transparent flame-resisting glass fiber reinforced plastic mirror surface. The fire control emergency indicator is convenient to mount and use, achieves energy saving and emission reducing and has a good fire control emergency indicating effect.

The invention relates to a twin-screw extruder used for preparing a 105 DEG C polyvinyl chloride cable material. The twin-screw extruder comprises a rack as well as a main motor, a machine barrel and a complete machine electrical control cabinet, which are arranged on the rack, wherein conical twin screws are arranged in the machine barrel; a large-power transmission box is arranged at one end of the machine barrel; the output shaft of the main motor is connected with the large-power transmission box by a shaft coupler; the output shaft of the large-power transmission box is connected with the twin screws; an extruder head mould is arranged at the other end of the machine barrel; an automatic feeding device and a vacuum degassing device are mounted in a perpendicular direction of the machine barrel; the twin screws comprise a large screw and a small screw which are arranged side by side and are different in length; the machine barrel comprises an integral alloy sleeve body and a bushing adaptive to the twin screws; a heating sheet mounting hole, a cooling water inlet and outlet, pressure sensor and temperature sensor mounting holes, and a vacuum-pumping hole are formed in the barrel body; and the complete machine electrical control cabinet is controlled by adopting a PLC (programmable logic controller) industrial automatic human-computer interface. The complete machine is high in degree of automation, good in safety performance and high in production efficiency.

The invention relates to an infrared induction type LED (Light-Emitting Diode) ceiling lamp. The infrared induction type LED ceiling lamp comprises a light transmitting cover, a circular plastic lamp shell, spring ceiling buckles, a pyroelectric infrared sensor, a copper-clad aluminium substrate, a plurality of LED white light lamp beads and a light sensor; the spring ceiling buckles are arranged at the two ends of the bottom of the circular plastic lamp shell; the light transmitting cover is clamped on a mounting groove in the top of the circular plastic lamp shell; the LED white light lamp beads, the pyroelectric infrared sensor and the light sensor are all welded on the copper-clad aluminium substrate; a plurality of first accommodating holes corresponding to the LED white light lamp beads are formed in the inside wall of the light transmitting cover; a second accommodating hole and a third accommodating hole are formed in the top of the circular plastic lamp shell; the light sensor is arranged in the second accommodating hole in a sleeving manner and is exposed at the top of the circular plastic lamp shell; and the pyroelectric infrared sensor is arranged in the third accommodating hole in a sleeving manner and is exposed at the top of the circular plastic lamp shell. The LED ceiling lamp is convenient to mount and dismount, and is safe, energy-saving and environment-friendly; and intelligent lighting functions of turning on the lamp when a person comes and turning off the lamp when the person leaves can be realized.