674results about How to "Optimize layout" patented technology

The invention discloses a molecular film type automotive nitrogen and oxygen separation device which comprises a turbocharger, a nitrogen and oxygen separator, a gas inlet valve, a gas outlet valve, a negative pressure pump and an electric control throttling valve. The turbocharger is driven by a turbine in an automobile turbocharger, so that the air is compressed to be conveyed to two paths of the nitrogen and oxygen separation device, the nitrogen and oxygen separation device can separate oxygen from the air, the air with high oxygen content is output, and the air is supplied to an engine for use through the gas outlet valve. The two paths of the nitrogen and oxygen separation device work alternately, when the temperature of the two paths of the nitrogen and oxygen separation device is too high to influence oxygen production efficiency, a main air inlet pipeline is opened to provide air normally by controlling the opening degree of the electric control throttling valve, and thus the phenomena of gas circuit plugging and engine stalling are avoided. According to the automotive nitrogen and oxygen separation device, the two branch paths work alternately, high concentration oxygen can be supplied to the engine continuously so that fuel can burn and act, and the burning utilization rate of the fuel is improved.

The invention discloses a matrix type temperature detection system and method based on temperature-sensitive diodes, the problems of complex wiring and large temperature drift of a traditional multi-node temperature measurement system are solved through M * N matrix layout, row and column time-sharing gating and constant current driving technologies, the system adopts an independent column constant current source to ensure the measurement consistency, and a high-precision ADC and a dynamic calibration algorithm are combined, so that the measurement accuracy is improved. And the precision of + / -0.2 DEG C is realized within the range of 50-150 DEG C. The method is particularly suitable for high-density temperature measurement scenes such as battery thermal management, electronic equipment overheating monitoring and the like.

The invention provides a multi-band composite high-integration TR assembly. The multi-band composite high-integration TR assembly comprises a shell, a front multi-layer board, a back multi-layer board, a C / X / Ku band receiving and transmitting circuit, a C / X / Ku band single receiving circuit and a Ka band receiving and transmitting circuit, wherein the front multi-layer board and the back multi-layer board are connected in the shell, the C / X / Ku band receiving and transmitting circuit is connected with the front multi-layer board, and the Ka band receiving and transmitting circuit is connected with the back multi-layer board. The low-cost scheme design of an all-solid-state microwave multilayer board suitable for batch production and testing is adopted, ports and transmission line layout are reasonably designed, multi-band composite mode transmission is achieved in the form of the front face and the back face, a C / X / Ku-band transmitting circuit and an H-polarization receiving circuit are integrated on the front face, and the transmission efficiency is improved. A C / X / Ku frequency band V polarization receiving circuit and a Ka frequency band receiving and transmitting circuit are integrated on the reverse side, different functional circuits are respectively transmitted through a microstrip line and a strip line through an interface circuit structure covering 1-40 GHz and an in-board vertical transition structure, the isolation degree of different circuits is improved, mutual crosstalk between different signals is avoided, and the transmission efficiency is improved. And the functions of high integration, high consistency, ultra wide band, numerical control phase shift, numerical control attenuation and the like of the assembly are realized.

The application discloses a photovoltaic silicon monocrystal wafer group, a crystal column group, a photovoltaic cell and a photovoltaic module. The wafer group comprises rectangular silicon wafers cut from the middle of a base circle silicon wafer and axisymmetric non-rectangular polygonal silicon wafers symmetrically cut from the periphery of the rectangular silicon wafers. The cutting size of the rectangular silicon wafers is determined according to the distribution of vacancy-type point defect density C V and interstitial-type point defect density C I of the base circle silicon wafer and the distribution of minority carrier lifetime in different radial regions of the base circle silicon wafer, so that the rectangular silicon wafers are located in the region of C V ‑ C I ≥0, and the ratio d of the distance between the four corners of the rectangular silicon wafer and the minimum point of the minority carrier lifetime in the edge region of the base circle silicon wafer to the diameter of the base circle silicon wafer is 2%≤d≤8%. The method is based on the quality distribution rule of the silicon wafer to divide the silicon wafers into two types, and different cell processes are adopted to fully tap the potential of each type, so that the area utilization rate of the base circle silicon wafer is more than 90% while high-quality photovoltaic modules are obtained.

The application belongs to the technical field of water treatment, and discloses a multifunctional swimming pool filtering and purifying water equipment, which comprises a movable trolley, the movable trolley is provided with a water storage tank, a disinfection tank and a filter tank, the disinfection tank is internally provided with an ultraviolet disinfection lamp group and an ozone generating device, a three-stage filtering structure is adopted in the filter tank, the movable trolley is provided with a liquid pumping pump one, a liquid pumping pump two and a water return pump, the output end of the liquid pumping pump two is connected with a water spraying mechanism through a water return pipe, the output end of the water return pump is connected with the water spraying mechanism, a water suction pipe is arranged on a water suction and cleaning assembly, and a water drainage pump is fixedly arranged on the filter tank. The disinfection tank is combined with the ultraviolet disinfection lamp group and the ozone generating device, all-round disinfection and sterilization are realized, the three-stage filtering structure of the filter tank comprehensively improves water quality, the water suction and cleaning assembly integrates multiple cleaning functions, the multi-stage electric push rod and the composite material scraper plate of the wall scraping assembly can efficiently remove dirt on the side wall of the swimming pool, and all-round and deep cleaning of the swimming pool is realized.

The invention discloses elastic band collecting equipment and a collecting method, and belongs to the field of elastic band collecting equipment. The elastic band collecting equipment structurally comprises a base, a collecting unit and a turnover type stroking unit; the two material collecting units are symmetrically and rotationally arranged on the left portion and the right portion of the upper end face of the base. According to the elastic band receiving equipment with the double winding stations, quick connection and receiving can be achieved, the efficiency of large-batch elastic band receiving work is effectively improved, the overturning type material stroking unit is arranged on the elastic band receiving equipment, the elastic band receiving efficiency is improved in an overturning mode, the elastic band receiving efficiency is improved, and the elastic band receiving efficiency is improved. The elastic band wound on the two material receiving units is sequentially smoothed, two corresponding smoothing structures do not need to be arranged, the layout of the whole structure is optimized, the compactness of the whole structure is improved, a double-point contact type material smoothing assembly with a telescopic function is arranged in the overturning type material smoothing unit, and according to the winding diameter change of the elastic band, the elastic band can be conveniently and rapidly smoothed. Therefore, the smoothing range and the smoothing pressure are correspondingly adjusted, and the smoothing effect is effectively improved.

The application provides an automobile engine compartment drainage air intake system and a vehicle, and belongs to the technical field of automobile parts, wherein the automobile engine compartment drainage air intake system comprises a ventilation cover plate, an air chamber, a left drainage groove structure and a right drainage groove structure; the middle part of the top plate of the air chamber is concave downward, and an accommodation space extending along the length direction of the air chamber is formed between the top plate and the ventilation cover plate; the left drainage groove structure is arranged below the ventilation cover plate; the right drainage groove structure comprises a drainage groove body, the drainage groove body is arranged in the accommodation space, and the opening of the drainage groove body is communicated with the water inlet. The automobile engine compartment drainage air intake system provided by the application correspondingly sets the drainage groove structure as the left drainage groove structure and the right drainage groove structure; two drainage groove structures are used for drainage respectively, so that the drainage groove structure does not span the width direction of the vehicle body, the space occupation area of the drainage groove is smaller, the size of the engine compartment is reduced, the layout in the engine compartment is optimized, and the engine compartment maintenance is facilitated.

This invention provides a rotating shaft assembly, comprising a base, a first rotating mechanism, a second rotating mechanism, and a damping mechanism. The first rotating mechanism is rotatably connected to one side of the base; the second rotating mechanism is rotatably connected to the opposite side of the base. The damping mechanism includes a stop member slidably connected to the base and a first elastic member. The first rotating mechanism and the stop member are rotatably connected via a first arcuate rail and a first arcuate groove. The second rotating mechanism and the stop member are rotatably connected via a second arcuate rail and a second arcuate groove. The axis of the first arcuate groove is parallel to the axis of the second arcuate groove. The first elastic member has a pre-elastic force that causes the stop member to abut against the first rotating mechanism and / or the second rotating mechanism. This invention also provides a folding housing and an electronic device.

This utility model discloses a liquid crystal panel moving testing fixture, belonging to the field of liquid crystal panel testing technology. The fixture includes a mounting platform, a guide rail fixed to the mounting platform, a probe holder slidably mounted on the guide rail, a removable elastic probe inserted into the probe holder, a clamping block that elastically presses a flexible circuit board against the rear end of the probe, and a mounting platform for supporting and fixing the liquid crystal panel. The front end of the probe is pressed against the detection point of the liquid crystal panel, and the other end of the flexible circuit board is connected to an external testing circuit via a piano cover, forming a quickly replaceable testing path. This utility model utilizes the cooperation between the elastic probe and the clamping block to achieve a highly reliable, low-contact-resistance electrical connection; the probe holder as a whole can move along the guide rail to adapt to different testing positions; the pluggable probe structure facilitates maintenance, significantly improving testing efficiency and reducing testing costs.

The present application relates to the technical fields of plunger pump, and discloses a single-cylinder double-outlet plunger pump, which comprises a shell, a cylinder, a swash plate, a main shaft and an oil distribution plate arranged in the shell, the cylinder is installed on the main shaft and is driven to rotate by the main shaft, a plurality of plunger cavities are uniformly distributed on one end of the cylinder along the circumference, a plurality of crescent grooves arranged in an inner-outer double-layer mode are formed on the other end of the cylinder, the crescent grooves in the inner layer are communicated with a part of the plunger cavities, and the crescent grooves in the outer layer are communicated with another part of the plunger cavities.The single-cylinder double-outlet plunger pump adopts a double-pump single-cylinder structure, the overall volume is significantly reduced, the structure is extremely compact, and the single-cylinder double-outlet plunger pump is very suitable for occasions with limited installation space, and the double-path output can simultaneously drive two independent systems (such as steering and braking circuits), effectively simplifies the pipeline layout, reduces the installation area, and simplifies the system design.

This utility model relates to the technical field of tire production equipment and discloses a giant tire forming machine, including a longitudinal track. One end of the longitudinal track is equipped with a tire carcass shaping device, and the other end of the longitudinal track is equipped with several sets of tread winding drums. A tread winding device is located on one side of each tread winding drum. The tire carcass shaping device includes a tailstock section and at least one set of tire carcass transfer rings, both of which are mounted on the longitudinal track. This utility model reduces the lateral footprint of the equipment and can process multiple tire shells simultaneously, effectively improving the production efficiency of giant tires.

This utility model discloses a double-headed tape wrapping machine, including a supporting base block. A base pad is symmetrically threaded to the bottom surface of the supporting base block. A control panel is fixedly mounted on one side of the supporting base block. Adjusting cylinders are horizontally and symmetrically fixed to both ends of the supporting base block. A movable top block is symmetrically connected to the top surface of the supporting base block. A fixed ring is vertically welded to the top surface of the movable top block. A rotating inner ring is sleeved on the inner side of the fixed ring. A material box is fixedly mounted on the inner side of the rotating inner ring. A transmission motor is fixedly mounted on one side of the movable top block. This machine can meet the wrapping requirements of products of different specifications and materials, exhibiting strong adaptability and versatility. Operation is simple and easy to understand, requiring no professional technical training. Furthermore, the reasonable layout of the various components facilitates installation, debugging, and maintenance, reducing the labor intensity of operators and improving work efficiency.

This utility model discloses a bag filter dust collector, designed with two air inlet pipes, one for primary use and one for backup, facilitating the addition of additional equipment to be processed. The technical solution is as follows: A bag filter dust collector includes a housing and a hopper. The hopper is located at the bottom of the housing and communicates with it. Multiple dust bags are housed inside the housing. A pulse backflushing device and an air outlet are located at the top of the housing. A discharge device is located at the bottom of the hopper. A first air inlet pipe and a second air inlet pipe are located at the end of the hopper facing away from the air outlet. The inner diameter of the first air inlet pipe is larger than that of the second air inlet pipe. This invention belongs to the field of dust removal technology.

The utility model provides a weighing mechanism. The weighing mechanism comprises a bearing disc, a weighing module, a rotating disc and a rotation driving module. The scale trays of the weighing modules are located in the bearing tray, and the multiple weighing modules are sequentially distributed in the circumferential direction of the bearing tray. The rotating disc is rotatably arranged, and the rotating disc is located above the bearing disc and used for driving the material receiving container on the bearing disc to move; a through hole is formed in the position, corresponding to the weighing scale, of the rotating disc, penetrates through the rotating disc in the height direction and is used for containing a material receiving container, and the hole diameter of the through hole is larger than that of the material receiving container; the number of the through holes is multiple, and the multiple through holes are sequentially distributed in the circumferential direction of the rotating disc and correspond to the weighing modules. The rotation driving module is connected with the rotating disc and used for driving the rotating disc to rotate. Meanwhile, the utility model further provides ingredient weighing equipment. Compared with the prior art, the weighing mechanism and the ingredient weighing equipment can improve the weighing efficiency and the weighing accuracy.

The application discloses an EPS motor current monitoring method based on single-resistance time-sharing sampling, relates to the technical field of electric power steering control, and comprises the following steps: sampling two-phase currents flowing through a single sampling resistor respectively; wherein the single sampling resistor is arranged on an inverter bridge DC bus; in a PWM period, the conduction combination of three-phase MOS tubes of the inverter bridge is controlled, so that the two-phase currents of the motor flow through the single sampling resistor in a time-sharing mode, and the two-phase currents are time-sharing sampled in a non-zero vector state; and according to the two-phase currents, a third-phase current is calculated according to the Kirchhoff's current law. The monitoring and time sequence control strategy of the three-phase motor current are realized through single-resistance time-sharing sampling, and the method is suitable for the design of an EPS controller meeting the safety level requirement.

This utility model discloses an air-cooled dry-type transformer, including a base and a winding structure disposed on the upper end of the base, the winding structure being used to improve the heat dissipation capacity of the winding; it also includes a heat dissipation component disposed on the upper part of the base, the heat dissipation component being used to improve the heat dissipation effect, and a cover plate being provided on the upper end of the support frame. This utility model belongs to the field of transformer heat dissipation technology, specifically an air-cooled dry-type transformer.

The utility model relates to a motor capable of improving axial support and a wet mill, which comprise a casing, a stator fixed on the casing, a rotor which is rotatably accommodated at the inner side of the stator and is provided with a rotating shaft, and a first end cover and a second end cover which are arranged at the two axial sides of the casing, and are respectively provided with a first cavity and a second cavity, the device is characterized in that a first self-aligning roller bearing for supporting the rotating shaft is arranged in the first cavity, and a thrust bearing for supporting the rotating shaft, a spacer bush and a second self-aligning roller bearing are sequentially arranged in the second cavity from bottom to top along the axis. According to the motor capable of improving the axial bearing, the supporting structures on the two axial sides of the motor are improved, so that the motor can conveniently transmit the borne axial load to the second end cover, meanwhile, the rotating shaft of the motor can be self-adaptively aligned through the self-aligning roller bearings on the two axial sides, the radial run-out of the rotating shaft during rotation is reduced, and the service life of the motor is prolonged. And the axial load capacity of the motor is improved while the smooth rotation of the motor is ensured.

The application belongs to the field of fans and relates to a spray fan assembly and a spray fan. The spray fan assembly comprises an air outlet grille and an atomizing nozzle. The air outlet grille comprises a base body and a ring body surrounding the base body. The outer periphery of the base body and the inner periphery of the ring body are connected by a plurality of air guide ribs. One air guide rib is provided with a pipeline channel. The pipeline channel communicates the inside of the base body and the outer periphery of the ring body. The atomizing nozzle is arranged in the base body. The air inlet end and the liquid inlet end of the atomizing nozzle can respectively communicate with a gas pressure source and a liquid source via the space provided by the pipeline channel. In the application, the air guide rib provided with the pipeline channel can guide air during air outlet and directly provide a pipeline passing-through, realizing the communication of the atomizing nozzle with the gas pressure source and the liquid source. The pipeline winding path between the atomizing nozzle and the gas pressure source and between the atomizing nozzle and the liquid source is shortened, and the pipeline layout between the atomizing nozzle and the gas pressure source and between the atomizing nozzle and the liquid source is effectively simplified.

This invention relates to an adsorption tower and a gas nano-purifier. The adsorption tower includes an outer tube and an inner tube coaxially arranged within the outer tube. The outer tube has a first outlet on its wall. The inner tube includes an inlet section, an adsorption section, and a dust removal section connected sequentially from bottom to top. The inlet section has an inlet on its wall. The adsorption section is filled with adsorbent, and a first filter and a second filter are respectively provided at the connection points between the adsorption section and the inlet and dust removal sections. At least a portion of the sidewalls of the dust removal section is configured as a filter layer. Under purification conditions, the high-pressure gas to be treated enters the inner tube through the inlet, passes sequentially upwards through the adsorption and dust removal sections, enters the annular gap between the inner and outer tubes via the filter layer, and is discharged from the first outlet. Through this configuration, using a tube-in-tube structure with the outer and inner tubes coaxially arranged, the integration of the equipment is improved and its volume is reduced, achieving multi-stage purification of gas within a single component, including diffusion, deep adsorption, and precision dust removal.

The utility model relates to an electromagnetic actuator. The electromagnetic actuator comprises an electromagnetic field generator, a permanent magnet, an armature, a front magnetic pole and a rear magnetic pole, the front magnetic pole and the rear magnetic pole are located at the two axial ends of the electromagnetic field generator respectively, and the armature is installed on the radial inner side of the electromagnetic field generator. The armature can be driven by electromagnetic force of the electromagnetic field generator to axially move between a first limit position and a second limit position, the armature abuts against the front magnetic pole at the first limit position and abuts against the rear magnetic pole at the second limit position, and the front magnetic pole and the rear magnetic pole can be magnetized by the permanent magnet to generate magnetic attraction force for attracting the armature. The electromagnetic actuator further comprises a front elastic buffering piece and / or a rear elastic buffering piece, when the armature is located at the first limit position, the armature and the front magnetic pole compress the front elastic buffering piece in the axial direction, and when the armature is located at the second limit position, the armature and the rear magnetic pole compress the rear elastic buffering piece in the axial direction. The electromagnetic actuator provided by the utility model has an improved structure.

The application discloses a packaging structure of a power module, which comprises an insulating substrate, a plurality of base islands, a power device, a first diode, a second diode, a signal terminal, a power terminal and a plastic package body. The combination of the power device and the first diode is packaged together with the second diode, so that the stray inductance in the device is reduced, the layout and wiring are simplified, the device performance is improved, the application range of the device is wider, and the space utilization is greatly improved.

The present application relates to a kind of inspection robot system and position determination method.The inspection robot system includes: hollow annular track, with the inner cavity extending along annular track;Inspection robot, which is installed on annular track by inspection robot platform and can travel along annular track, for the target in the environment where annular track is located is inspected;Conveying chain, including a plurality of chain segments and a plurality of roller assemblies connected on chain segment, a plurality of chain segments are connected with a plurality of roller assemblies to form a closed loop, conveying chain is arranged in the inner cavity of annular track;Drive device is arranged to drive roller assembly to roll in the inner cavity along annular track, and then drive conveying chain to run in the inner cavity of annular track, in turn drive inspection robot to travel along annular track.The inspection robot platform is operatively connected with conveying chain and can be driven by conveying chain to travel along annular track.The structure of the inspection robot system of the present application is simple, convenient to arrange, and the cost is relatively low.

This application relates to an integrated unwinding and take-up device and a composite current collector production system. The integrated unwinding and take-up device includes: an unwinding column, a take-up column, a guide roller, an adaptive mechanism, and a main support. The unwinding column, guide roller, take-up column, and adaptive mechanism are all arranged on the main support. The take-up column is positioned above the unwinding column, and the guide roller is positioned between the unwinding column and the take-up column. The adaptive mechanism includes a proximity pressure roller and an adjustment mechanism. The proximity pressure roller is positioned on the adjustment mechanism and is adjacent to the take-up column. The adjustment mechanism adaptively adjusts the distance between the proximity pressure roller and the outer surface of the take-up column. The substrate feeds along a path formed by the unwinding column, guide roller, proximity pressure roller, and take-up column in sequence. This device makes full use of longitudinal space, can complete the unwinding and take-up operations in an integrated manner, facilitates tension control within a limited operating space, and is easy to operate, effectively leveraging the advantages of each component mechanism in the integrated unwinding and take-up device.

The utility model discloses a kind of water flow ice maker, including the inner container installed in ice maker, the upper portion of inner container is installed with water flow ice module, detachable ice basket and ice water box are installed in inner container, by detachable ice water box replace original ice water cavity used for storing ice water, ice water box can be taken out separately clean or use;Inner container is divided into two layers for installing ice basket and ice water box by baffle, the lower water outlet is equipped on baffle, the water outlet passage is equipped between ice basket and inner container upper layer wall surface, water guide structure is further equipped in inner container upper layer, water that flows through water flow ice module is guided into water outlet passage and reaches lower water outlet, falls into ice water box in inner container lower layer from lower water outlet, so that water that flows through water flow ice module can avoid ice basket and not enter ice basket and pour on ice block, so that ice block can have longer storage time;In addition, according to detachable ice water box, water connection is equipped in inner container lower layer, ice water box is equipped with water outlet nozzle I that is docked with water connection, water connection is three-way connector, one way is connected with water outlet nozzle I, one way is connected with the water inlet portion of water flow ice module through water pump, and the other way is connected with water supplement source through water supplement valve, the waterway connection function of ice water box is integrated on water connection, waterway arrangement and connection are simpler.

The utility model belongs to the technical field of firearm safety cabinets, and discloses a modularized firearm safety cabinet which comprises a cabinet body and modularized storage units, the cabinet body comprises a body, at least two guide rails are fixedly connected to the two sides of the inner wall of the body, each guide rail is provided with a plurality of sets of positioning holes in the vertical direction of the guide rail, and the modularized storage units are arranged in the body. The modularized storage unit comprises a first layer plate and a second layer plate, connecting components are connected to the two sides of the bottom of the first layer plate and the two sides of the bottom of the second layer plate, each connecting component comprises an L-shaped plate, and clamping blocks are fixedly connected to the outer sides of the L-shaped plates. The connecting members on the modularized storage units are matched with the positioning holes in the guide rails, so that the heights of the first layer plate and the second layer plate can be quickly adjusted, layout according to modules is facilitated, diversified storage requirements of different types of firearms and follow-up equipment can be met, the space utilization rate is increased, and the cost is reduced. And the in-cabinet reconstruction operation after equipment updating or compiling adjustment is simplified.

This invention discloses a method, apparatus, equipment, and medium for determining the uniformity of a converted-wave observation system. The method includes: determining the target layer depth parameter and the target layer conversion parameter; determining the original conversion point of each original shot-receiver pair in the target layer based on the original shot point position, original receiver position, and target layer conversion parameter of each original shot-receiver pair corresponding to the common shot point; selecting a common conversion point from among the original conversion points, and moving other original conversion points and their corresponding original shot-receiver pairs to obtain new shot-receiver pairs corresponding to the common conversion point; determining the average receiver distance of the common conversion point based on each new shot-receiver pair, and determining the reference common-shot point conversion distance of the common conversion point based on the average receiver distance and the target layer conversion parameter; and determining the converted-wave uniformity of the common conversion point based on each new shot-receiver pair, the average receiver distance, the reference common-shot point conversion distance, and the target layer depth parameter. Embodiments of this invention can determine the uniformity of the observation system and guide the optimization of the observation system layout.

The utility model provides a headrest mechanism can be folded back to electric, including headrest assembly, screw rod drive mechanism, base, rotating shaft and fixed bolster, screw rod drive mechanism and fixed bolster all solid are established on the base, rotating shaft is rotatably connected on the fixed bolster, headrest assembly is fixed on the rotating shaft, screw rod drive mechanism is connected with rotating shaft through connecting rod mechanism, screw rod drive mechanism and connecting rod mechanism are rotatory connection, connecting rod mechanism and rotating shaft are fixed connection, connecting rod mechanism is rotatory connection still on the base, when screw rod drive mechanism drives connecting rod mechanism to move, can drive rotating shaft to rotate back, thereby drive headrest assembly to fold back, the utility model discloses can realize the big angle folding back of headrest assembly, whether the driver needs to adjust the headrest angle in the specific driving scene, or leans back and folds back, the headrest needs to fold back to the rear larger angle to realize the storage, and this structure can provide enough folding range, greatly enhanced the use convenience of headrest.

The present application relates to the technical field of shield switch structure, and discloses a shield automatic switch structure and processing equipment, the shield automatic switch structure includes beam assembly, first drive mechanism, telescopic shield assembly and support connecting mechanism. When the shield automatic switch structure is used, the support connecting mechanism is arranged on the second side of the telescopic shield assembly, the support connecting mechanism occupies small floor space, and is convenient to arrange; the support connecting mechanism has small stroke and occupies small floor space; when the telescopic shield assembly is closed, the second side of the telescopic shield assembly is first connected and fixed on the first fixed support through the support connecting mechanism; when the telescopic shield assembly needs to be opened, the support connecting mechanism is disconnected from the first fixed support, the first drive mechanism drives the telescopic shield assembly to move away from the outer protection component, which can effectively prevent the telescopic shield assembly from being stuck during opening and closing, thereby effectively reducing the failure rate of the equipment, improving production efficiency and maintenance cost.

This utility model discloses a valve conveying device, which includes a main board. The bottom of the main board has an internal valve track matching the valve. Above the main board are two valve outlet pipes, I and II, arranged sequentially along and connected to the internal valve track. An isolation valve, which blocks the internal valve track when activated, is located between the two outlet pipes. Two valve inlet interceptor plates and two clamping plates are mounted on both sides of the main board. The valve inlet interceptor plates are located on the side of valve inlet pipe I furthest from valve inlet pipe II and are driven by a valve inlet interceptor cylinder. The clamping plates are used to clamp the valve at the valve conveying position and are driven by a clamping plate control cylinder. The valve conveying position refers to the position where the internal valve track aligns with valve inlet pipes I and II. The main board contains an air blowing pipe corresponding to the valve conveying position. This utility model's device has a reasonable structural design, enabling rapid and efficient valve conveying. The valve conveying pipe can be laid using a flexible hose, making installation convenient.

The utility model discloses an LED luminous tube which comprises an inner injection molding body, an outer injection molding body, a metal support, an LED luminous chip and packaging glue. The outer injection molding body wraps the outer side of the inner injection molding body, and a light-emitting cavity is formed between the outer injection molding body and the inner injection molding body; the metal support is embedded in the inner injection molding body and extends to the outer side of the outer injection molding body to form a first welding leg and a second welding leg, and the extending direction of the first welding leg is perpendicular to the extending direction of the second welding leg. The LED light-emitting chip is installed on the metal support and located in the light-emitting cavity. And the packaging glue is filled in the light-emitting cavity. The light-emitting cavity is formed by the inner injection molding body and the outer injection molding body, a stable installation environment is provided for the LED light-emitting chip, meanwhile, the light-emitting cavity is filled with the packaging glue, the propagation path of light is optimized, and the light-emitting efficiency is improved. According to the design, the layout of electrical connection is optimized, meanwhile, the welding reliability is remarkably improved, and the problems of pseudo soldering, unsoldering and the like are prevented.