43results about How to "Stable distance" patented technology

The auxiliary spraying device comprises a base, a telescopic assembly, a suspension arm and a spraying assembly, the bottom end of the telescopic assembly is fixedly installed on the base, the middle of the suspension arm is hinged to the top end of the telescopic assembly through a pin shaft, a telescopic rod is connected into the first end of the suspension arm in a sliding mode, and the second end of the suspension arm is connected with the spraying assembly in a sliding mode. The spraying assembly is hinged to the free end of the telescopic rod, a telescopic driving assembly is installed on the suspension arm, and the telescopic driving assembly is in driving connection with the telescopic rod. According to the spraying device, the spraying range can be greatly widened by arranging the suspension arm, the weight of the two ends of the suspension arm can be balanced by matching with the second balancing weight, a worker can obtain a large spraying range with a small swing range and force of the arm, the distance between the spraying head and the wall surface can be kept stable by arranging the telescopic rod and the telescopic driving assembly, and the spraying effect is good. And the spraying quality is ensured.

The present invention belongs to the field of intelligent manufacturing and flexible manufacturing, and discloses a dual AGV collaborative handling system and a control method thereof, including a pilot AGV, a follower AGV and a shelf; the pilot AGV and the follower AGV are respectively connected to the bottom ends of the shelf, and the pilot AGV and the follower AGV are connected in communication; a first status information acquisition device is provided on the pilot AGV, and the first status information acquisition device is used to acquire the status information of the pilot AGV and send it to the follower AGV through the pilot AGV; a second status information acquisition device is provided on the follower AGV, and the second status information acquisition device is used to acquire the status information of the follower AGV and send it to the follower AGV, and the follower AGV is used to adjust its own position according to the status information of the pilot AGV and the status information of the follower AGV. The dual AGV collaborative handling system and the control method thereof of the present invention realize better handling and processing for the problem of handling large components that are difficult to be effectively carried out by a single AGV.

The utility model relates to the field of nuclear radiation detection, and discloses a flow-gas proportional counter module. The flow-gas proportional counter module comprises a sample feeding assembly and a probe assembly, the sample feeding assembly comprises a base and a drawing plate connected with the base in a sliding mode, and the drawing plate is provided with a tray used for containing samples; the probe assembly comprises a proportional counter tube arranged above the tray, a shielding shell is arranged outside the proportional counter tube, and the shell is fixedly connected with the base; by arranging the proportional counter tube in the shielding shell, the contact between the proportional counter tube and the external environment is effectively reduced, the electromagnetic shielding effect is improved, the interference of environment temperature and humidity on detection signals is reduced, the signal detection accuracy of the proportional counter tube is improved, and the detection background is reduced.

The invention discloses a visual tracking and positioning method and system for an ocean net cage handrail. The method comprises the following steps: preprocessing an image collected by a monocular RGB camera; identifying the ocean net cage handrail in the preprocessed image, preliminarily detecting the position of the ocean net cage handrail by adopting a target detection algorithm based on deep learning, and further confirming the position of the ocean net cage handrail in combination with a feature matching method; continuously tracking the identified ocean net cage handrail, predicting the motion state of the handrail by adopting Kalman filtering, and realizing stable locking of a handrail target in combination with mean shift target tracking, time sequence information fusion and motion compensation technologies; and estimating the distance between the unmanned ship and the ocean net cage by using monocular vision and scale information according to the identified and tracked ocean net cage handrail. Based on the economical and practical monocular camera, accurate identification, stable tracking and distance estimation of the ocean net cage handrail are realized.

The utility model provides a pneumatic pipe clamp valve convenient for flow regulation, which comprises a shell and an inner sleeve, two ends of the shell are respectively provided with a first flange and a second flange, the shell is composed of an upper shell and a lower shell which are symmetrical, the upper shell and the lower shell are connected through a bolt, the upper shell and the lower shell are respectively and fixedly provided with a cylinder pipe, and the inner sleeve is provided with an air inlet and an air outlet. An air inlet box is fixedly arranged on the top of the air cylinder pipe in a communicating mode, a moving rod is arranged in the air cylinder pipe in a sliding mode, a piston is arranged on the top of the moving rod, the bottom of the moving rod penetrates through the air cylinder pipe and is located on the inner side of the shell, an extrusion rod is arranged at the bottom of the moving rod, and the extrusion rod abuts against the upper surface of the inner sleeve. And two ends of the inner sleeve are respectively connected with the first flange and the second flange through bolts and are connected in the shell. The flow velocity control device has the advantages of being sensitive to operate, convenient to control the flow velocity and the like.

The invention provides disinfection equipment for a hemodialysis machine, and belongs to the technical field of disinfection of hemodialysis machines. Comprising a high-temperature disinfection box; and the connecting assembly is used for keeping the distance between the high-pressure spray head and the rotating column stable, and the connecting assembly is connected with the high-pressure spray head and the rotating column. By arranging the connecting assembly, the distance between the high-pressure spray head and the rotating column can be kept stable, so that the disinfection brush is matched with the high-pressure spray head to always provide stable and uniform flushing force for the inner wall of the guide pipe, the inner wall of the guide pipe can be comprehensively and fully flushed and disinfected, and the flushing and disinfection quality of the guide pipe is guaranteed; the whole cleaning and disinfecting efficiency of the hemodialysis machine is improved, meanwhile, the connecting assembly further has a scraping effect on the wall of the catheter, residues of disinfecting liquid in the catheter can be effectively reduced, the mottling phenomenon of the wall of the catheter is avoided in the subsequent drying process, and the disinfecting quality and efficiency of the catheter are further improved.

The application provides a pipetting control method and device, the method comprising: determining a pipetting type, a pipetting speed of a pipetting device, a target pipetting volume, an initial liquid volume of a target liquid container, and a container type of the target liquid container; determining a target liquid level height function matched with the container type of the target liquid container according to a liquid level height function corresponding to each container type in a configuration; determining a liquid level height difference of the target liquid container before and after pipetting based on the pipetting type, the target pipetting volume, and the initial liquid volume, and in combination with the target liquid level height function; determining a moving direction and a moving speed of a pipetting tip of the pipetting device based on the liquid level height difference, the target pipetting volume, the pipetting speed, and the pipetting type; and controlling the pipetting tip of the pipetting device to pipette the target liquid container according to the moving direction and the moving speed. The application can reduce the liquid volume deviation of the pipetting device in the pipetting process.

The utility model discloses a stable clean hydrofluoric acid sampling device, relates to hydrofluoric acid sampling technical field, including sampling bottle, also include device body, adjusting mechanism and clamping cleaning mechanism, adjusting mechanism includes placing plate and rotating shaft, placing plate one end outer wall both sides are equipped with the movable rack, and the rotating shaft is equipped with the movable rack. The clamping and cleaning mechanism comprises a double-shaft motor, adjusting screw rods are mounted at two output ends of the double-shaft motor, clamping scrapers sleeve the outer sides of the two adjusting screw rods, and the two clamping scrapers are movably connected with the outer wall of the sampling bottle. The two adjusting lead screws rotate, so that the two clamping scrapers can clamp a sampling bottle, meanwhile, the top surface of the placing plate can be cleaned, the servo motor can adjust the height of the placing plate, the distance between the sampling bottle and the bottom of the liquid inlet pipe can be adjusted, and the sampling bottle can be conveniently taken out. The situation that hydrofluoric acid is splashed when being in contact with the sampling bottle can be avoided.

The application discloses a chuck assembly and a semiconductor device, relates to the technical field of semiconductor devices, and comprises a chuck and one or more shaft cylinders, wherein the last shaft cylinder of the plurality of shaft cylinders or one shaft cylinder is connected with the chuck, the inside of each shaft cylinder is provided with a central hole, the central hole is provided with a balance mass and an elastic damping piece, and the elastic damping piece is sleeved with the balance mass to form a balance mass-spring-damping system. The chuck assembly is sleeved with the balance mass through the elastic damping piece to form the balance mass-spring-damping system, the balance mass-spring-damping system generates reverse vibration matched with the vibration of the chuck, micro-vibration generated between the disc surface of the chuck and the contact surface of the substrate is inhibited, generation of friction particles is reduced, stability and cleanliness of a core area of a process environment are improved, process quality of a deposited film is improved, and the needs of high-end processes for extremely low defect rate and ultra-high uniformity of the deposited film are met.

The present invention discloses an ophthalmic optometry device, which relates to the technical field of ophthalmic examination, and comprises a main body, wherein a viewing hole is arranged on the main body, and a visual distance adjustment mechanism is installed on the main body outside the viewing hole, and the visual distance adjustment mechanism comprises a first cylinder and a second cylinder, wherein the first cylinder is fixedly installed on the main body outside the viewing hole, and the second cylinder is slidably installed in the first cylinder; when a patient performs optometry, the patient's eyes are aligned with the second cylinder, and the doctor pushes the second cylinder to slide to a suitable distance in the first cylinder, so that the distance between the patient's eyes and the viewing hole remains stable, and each patient can perform adaptive adjustment, so that the patient's optometry result is more accurate.

The utility model discloses a reinforcing steel bar positioning structure for slope protection engineering, which comprises a soil slope and a fixing mechanism, the fixing mechanism comprises a transverse reinforcing steel bar, the surface of the transverse reinforcing steel bar is movably connected with a plurality of vertical reinforcing steel bars, and the crossed positions of the transverse reinforcing steel bar and the vertical reinforcing steel bars are fixed through binding iron wires. The front faces of the transverse steel bars are movably connected with a plurality of downwards-inserted steel bars, the bottom ends of the downwards-inserted steel bars are inserted into the soil slope, and a positioning mechanism is arranged at the top of the soil slope. In the practical application process of the reinforcing steel bar positioning device, the reinforcing steel bar positioning stability is greatly improved through the synergistic effect of the fixing mechanism and the positioning mechanism. In slope protection engineering, slope topography often leads to easy slippage of steel bars, and parts such as downward insertion steel bars and fixed steel bars in the fixing mechanism and the positioning mechanism are matched with each other, so that the steel bars can be inserted into a soil slope, the whole structure is kept on the surface of the slope, the adjustment work caused by slippage of the steel bars is reduced, and the construction efficiency is greatly improved.

The invention discloses a coffee bean grinding system, and belongs to the technical field of coffee grinding instruments, the coffee bean grinding system comprises a pressure release valve, a vacuum bean box, a stable bearing, a driving assembly, an air pump, a discharging channel, a bean grinding assembly, an adjusting assembly, a bean box base, a bean feeding switch and a mounting shell, the bean grinding assembly is mounted in the mounting shell, and the bottom of the adjusting assembly is inserted into the upper end of the mounting shell; a bean box base is inserted into the top of the adjusting assembly, the bottom of the vacuum bean box is inserted into the bean box base, the stable bearing is installed on the bean grinding assembly, one end of the driving assembly is inserted into the rear end of the installation shell and connected with the bean grinding assembly in a meshed mode, an air inlet port and an air outlet port are formed in the end of the air pump, and the bottom of the bean feeding switch is inserted into the upper end of the bean grinding assembly. The problems that in the prior art, due to the fact that a clasp and thread connection mode is used, a system is unstable in the grinding process, and coffee powder is uneven in thickness are solved. And the practicability, durability and universality of the bean grinding system are improved.

The invention relates to the technical field of motors, and discloses a motor shaft insulation coating processing method, a fixing tool and a spraying device.The motor shaft insulation coating processing method comprises pretreatment and shielding, dynamic spraying, post-treatment and a second base, a spraying cavity is formed in the second base in the circumferential direction, and the spraying cavity can rotate; and the clamping piece is arranged in the spraying cavity, and the clamping piece fixes and rotates the motor shaft along the axis of the motor shaft. The clamping piece is arranged to fix the motor shaft, the axial parallelism of the motor shaft and the second base is improved, when the spraying cavity rotates and ascends and descends and a spraying opening of the spraying gun ascends and descends, the motor shaft can be still relative to the second base, the position precision of the motor shaft and the second base is guaranteed, and then the distance between the motor shaft and the spraying gun is kept stable; therefore, the thickness uniformity of the insulating coating on the surface is ensured, the insulating effect is ensured, a plurality of motor shafts are sequentially sprayed, and the spraying efficiency is improved.

The utility model provides a kind of pipeline defect detection probe, including probe body and limiting component, the limiting component is installed on probe body and is used to support and limit for probe body;The limiting component is set along the circumferential direction of the probe body, the limiting component includes first flexible member and the second flexible member being connected with the first flexible member, the first flexible member is rotationally connected with the probe body at the end away from second flexible member;The first flexible member and second flexible member are all inclined to be arranged, and the included angle formed between the first flexible member and the probe body axis;The utility model can solve the surveying device recorded in the prior art when surveying in different pipe diameters, water flow will cause impact to detection device;Make that detection sensor deviates from pipe axis, cause the distance between detection sensor and pipe wall unstable, affect signal coupling efficiency while also leading to the problem of detection blind area.

The invention relates to the technical field of building construction, in particular to a mortar cake structure and a construction method for anti-crack mesh positioning, the mortar cake structure comprises a cylindrical body, a groove is formed in the top surface of the body, and the groove penetrates to the side surface of the body in the direction parallel to the top surface. Through the arrangement of the groove in the top surface of the mortar cake, the mortar cake is used for replacing an anti-cracking mesh cushion block in the prior art, the mesh is clamped in the groove in the top surface, the anti-cracking mesh can play a stable supporting role, meanwhile, the arrangement of the groove enables the anti-cracking mesh to keep a stable distance from the surface of the surface layer, and the anti-cracking effect of the surface layer is improved. The controllability of the distance between the anti-crack mesh and the surface of the surface layer is effectively improved, and the effectiveness of the anti-crack effect of the anti-crack mesh on the surface layer is guaranteed.

A flexible assembling device for a double-web sleeper beam of a railway wagon is characterized in that a back plate and a sleeper beam lower cover plate height positioning stop block are fixed on a platform, the back plate and the sleeper beam lower cover plate height positioning stop block are oppositely arranged, and a sleeper beam lower cover plate transverse positioning stop block is fixed on the platform. The inner side of the back plate is movably connected with the sleeper beam web plate inner distance positioning stop block assembly fixing plate, the two ends of the sleeper beam web plate inner distance positioning stop block assembly fixing plate are connected with one ends of the sleeper beam web plate inner distance positioning stop block assembly side plates respectively, and the sleeper beam web plate inner distance positioning stop block assembly fixing plate is perpendicular to the sleeper beam web plate inner distance positioning stop block assembly side plates. Production of double-web sleeper beams of different vehicle types and different sizes is met through the size-adjustable sleeper beam web inner distance positioning adjusting plate and the web and lower cover plate distance adjusting check block, it is guaranteed that the operation process of an operator can be more efficient and convenient, and the quality is guaranteed. And under the condition of low investment cost, the sleeper beam assembly quality is ensured, and the production efficiency is improved.

The present invention discloses an aircraft landing gear welding device and a method thereof, and relates to the technical field of landing gear processing. The present invention comprises a processing table, a flexible bracket is fixed on one side of the top of the processing table, a welding device body is fixed on one end of the flexible bracket away from the processing table, an adapting device is fixed on the top of the processing table, and the adapting device comprises a push plate, an elastic return plate, a U-shaped frame, two hydraulic cylinders, two slide plates, two long openings, and two slide bars. The present invention arranges the adapting device so that the hydraulic cylinder, the push plate, the slide plate, the elastic return plate, the long opening, the U-shaped frame, and the slide bar cooperate, so that the curved long opening can limit the moving position of the welding device body through the U-shaped frame, thereby ensuring that the distance between the welding device body and the two round tube welds is stable, thereby reducing the uneven welds or welding defects caused by the welding device body being too close or too far from the two round tube welds.

The utility model discloses a rotary dehumidifier filter plate beneficial to disassembly, assembly and maintenance, and relates to the technical field of filter structures, a first dredging rod and a second dredging rod are matched with a first connecting piece and a second connecting piece for action, during maintenance, only the filter plate needs to be integrally disassembled, and the first filter plate and the second filter plate need to be extruded, so that the filter plate is convenient to disassemble and maintain. A first dredging rod and a second dredging rod are used for dredging and cleaning first filter holes in a second filter plate and second filter holes in a first filter plate respectively, meanwhile, third filter holes in a third filter plate are also dredged and cleaned, the filter plates do not need to be disassembled and assembled in the whole process, operation is more convenient and faster, and the working efficiency is improved. A limiting cap is in threaded connection with a first sliding column, a second sliding column is in threaded connection with a third sliding column, the first filter plate, the second filter plate and the third filter plate are convenient to disassemble and assemble, a stable distance can be kept among the first filter plate, the second filter plate and the third filter plate through a first compression spring and a second compression spring, and the filtering effect is prevented from being affected.

The elevator for the coking plant comprises an elevator body, a motor is arranged on the outer top of the elevator body, an output shaft of the motor is upwards and fixedly connected with a rotating disc, a positioning groove is formed in the middle of the top face of the rotating disc, first electric push rods are arranged on the left side and the right side of the rotating disc, and the telescopic ends of the two first electric push rods are opposite and fixedly connected with fixing plates. A plurality of fixing rods are fixedly arranged on the opposite sides of the two fixing plates, a cleaning mechanism is arranged on the rotating disc and comprises a base, a plurality of blind holes are formed in the left side and the right side of the base, the lower portion of the base is inserted into the positioning groove, the two fixing plates abut against the left side and the right side of the base respectively, and the fixing rods correspond to the blind holes in the same side in a one-to-one mode and are inserted into the blind holes in the same side in a one-to-one mode; the top of the conveying box rotationally communicates with a connecting pipe, the side portion of the conveying box communicates with a transverse pipe, and the top of the connecting pipe is provided with a quick connector. Effective washing and air drying treatment on the outer surface of the cleaning device can be achieved through the detachable cleaning mechanism carried by the cleaning device, and the cleaning device is more practical.

The invention relates to the technical field of automobile welding fixtures, and discloses an automobile welding fixture with accurate welding points, which comprises a welding table, and further comprises a bracket, a welding point positioning device, a welding point positioning device and a welding point positioning device, the two clamping mechanisms are symmetrically arranged above the welding table and used for clamping the two steel pipes; and the two rotating mechanisms are respectively arranged on the clamping mechanisms. The hydraulic push rod drives the rotating ring, the arc-shaped holes in the rotating ring force all the sliding rods and the movable blocks to synchronously move in the radial direction, the L-shaped clamping blocks are driven to evenly hold the steel pipe from the periphery, and therefore it is guaranteed that the clamping force is evenly distributed, and automatic high-concentricity centering of the steel pipe is achieved; the defects of weld joint misalignment, uneven wall thickness and the like caused by manual clamping eccentricity are fundamentally eliminated, a foundation is laid for forming a high-quality annular butt weld joint, meanwhile, the locking force provided by hydraulic driving is large and adjustable, thermal deformation stress and vibration in the welding process can be effectively resisted, and the clamping state is kept absolutely stable.

The utility model discloses a magnetic adsorption device for sewage treatment. The magnetic adsorption device comprises a fixed shaft; the inner cylinder comprises at least three supporting circular plates, a plurality of supporting strips and a plurality of magnetic blocks which are coaxially arranged, each supporting circular plate is provided with a first shaft hole, the fixed shaft rotatably penetrates through the first shaft hole, the outer edge of each supporting circular plate comprises a large arc section and a small arc section, the central angle of each small arc section is 70-90 degrees, each large arc section is provided with a plurality of through holes, and each through hole is communicated with the corresponding first shaft hole. The multiple penetrating holes are formed in the arc forming direction of the large arc section, the bearing strips penetrate through the penetrating holes corresponding to the positions of the at least three supporting circular plates, magnetic blocks are laid on the outer sides of the bearing strips, and the multiple positioning blocks are installed on the circumferential face of the supporting circular plate in the middle and arranged at intervals in the circumferential direction of the supporting circular plate. The magnetic seed recovery device solves the problem that the recovery efficiency of magnetic seeds on the roller of the existing sewage treatment equipment is low.

A non-metallic brake pad with low noise and good heat dissipation is composited by a friction material, a base material and a steel back. The front side of the friction material is provided with a plurality of arc-shaped heat dissipation grooves. The friction material comprises the following friction material components in parts by weight: porous titanium carbide and aluminum silicate fiber. The present invention adopts a plurality of arc-shaped heat dissipation grooves. The brake disc can generate a spiral airflow in the plurality of arc-shaped grooves to carry and throw out a hot airflow containing dust. In combination with the porous titanium carbide, aluminum silicate fiber, flake graphite and other components, the heat dissipation performance can be further improved. In addition, the friction coefficient of the present invention is appropriate, and the friction behavior is converted from the original fatigue wear to the indirect wear related to the transfer layer formed on the contact surface. The braking line is smooth and the service life of the brake disc can be extended.

The invention belongs to the technical field of visual inspection, and particularly relates to a conveyor belt defect visual inspection device and method. The conveyor belt defect visual inspection device comprises a bedplate, a rack, a traction mechanism, a visual mechanism and a stretching mechanism; a pair of racks is arranged, and the tops of the racks are fixedly connected with a track beam; a pair of sliding blocks is connected into the track beam in a sliding mode. A spring is arranged between the sliding block and the track beam; a hydraulic cylinder is fixedly connected to the surface of the rack; and a connecting rod is hinged between the output end of the hydraulic cylinder and the pair of sliding blocks. The hydraulic cylinders push the sliding blocks to slide towards the two sides along the track beam through the connecting rods, the distance between the pair of supporting rollers is gradually increased, the conveying belt is stretched and deformed in the length direction of the conveying belt, the conveying belt is in a tensioned state, the real tensioning working condition of the conveying belt in the using process is fully simulated, potential defects on the surface of the conveying belt are more obviously exposed, and the conveying belt is more stable in performance. Particularly, tiny cracks, wrinkles or delamination and the like can be conveniently and accurately detected and identified by a follow-up visual mechanism.

The utility model discloses a complementary food processor which comprises an outer cup, an inner cup, an upper cover and a lower cover, the inner cup is arranged in the outer cup so that a water storage cavity can be formed between the inner cup and the outer cup, the upper cover is detachably connected with the outer cup, and the lower cover is detachably connected with the outer cup. The upper cover is provided with an extending portion extending between the outer cup and the inner cup, the free end of the extending portion and the inner wall face of the outer cup are arranged in a sealed mode, and a pressure relief hole is formed in the extending portion and located above the free end of the extending portion. The lower cover is located in the outer cup and detachably connected with the inner cup, an air outlet hole communicated with the inner cup is formed in the lower cover, a steam channel communicated with the air outlet hole and the pressure relief hole is formed between the lower cover and the upper cover, and a water storage groove avoiding the air outlet hole is formed in the lower cover. According to the complementary food processor, the consistency and the taste of food are easy to control, and the reliability is high.

The full-localization video decoding board comprises a processor adopting a domestic chip, an FPGA (Field Programmable Gate Array), a storage unit, an interface unit and a power supply system, the interface unit comprises a first connector and a second connector; a serial port of the processor is connected to the first connector through the serial port conversion chip; the output end of the processor is connected with the receiving end of the FPGA; the FPGA is connected to the second connector through the first conversion chip and the second conversion chip in sequence; the first conversion chip is used for converting an RGB signal output by the FPGA into a VGA single-ended signal and accessing the VGA single-ended signal to the second conversion chip; the second conversion chip is used for converting the VGA single-ended signal into an XGA signal and outputting the XGA signal to the second connector; the FPGA is further connected to the second connector through a third conversion chip, and the third conversion chip is used for converting RGB signals output by the FPGA into VGA single-end signals and outputting the VGA single-end signals to the second connector. The utility model has the advantages of simple circuit structure, low cost, strong compatibility, high transmission stability and the like.

This invention belongs to the field of machine tool processing technology, specifically a broken tool detection device for a CNC machine tool tool magazine. It includes a tool magazine body and a detection mechanism. The tool magazine body has a rotatable circular tool disc and multiple flip-up tool sleeves. The detection mechanism, located near the tool change point, includes a mounting bracket, a geared motor, a rotary bearing, and a tool detector. The geared motor drives the rotary bearing and the tool detector to rotate. This invention correlates the rotational motion of the detection mechanism with the flipping motion of the tool sleeves from the vertical tool change position to the horizontal tool storage position. This allows the tool detector to perform follow-up detection of the tool during the tool sleeve flipping process, achieving comprehensive detection of at least two different surfaces of the tool. Furthermore, it includes a control unit pre-stored with standard tool contour data, which determines whether the tool is damaged by comparing the detection data in real time. This invention has a simple structure, comprehensive detection, and a high degree of intelligence, effectively preventing workpiece scrap and machine tool damage caused by broken tools.

The utility model relates to a reaction kettle leak detection mechanism, and relates to the technical field of reaction kettles, the reaction kettle leak detection mechanism comprises a nitrogen cylinder, a helium cylinder, a first pipeline, a helium concentration detection device and a vacuumizer, the gas outlet end of the first pipeline is communicated with a gas inlet of a reaction kettle, and a second pipeline is communicated between the nitrogen cylinder and the first pipeline; a third pipeline is arranged between the helium tank and the first pipeline in a communicating manner; a fourth pipeline is arranged between the vacuumizer and the exhaust port of the reaction kettle in a communicating manner; a first air inlet valve is mounted on the first pipeline, a second air inlet valve and a second air pump are mounted on the second pipeline, and a third air inlet valve and a third air pump are mounted on the third pipeline; a helium concentration sensor and a display are fixedly mounted on the helium concentration detection device, and the signal input end of the display is in signal connection with the signal output end of the helium concentration sensor; and a console and an inflation control module. The leak detection efficiency of the reaction kettle can be improved.

The utility model discloses an automatic glass sheet taking device for glass processing, which belongs to the technical field of glass processing and comprises a processing table, first electric push rods are fixedly welded on two sides of the top of one end of the processing table, a lifting frame is arranged at the tops of the first electric push rods, and the inner side of the bottom end of the lifting frame is movably connected with a rotating shaft through a bearing. A plurality of second electric push rods are arranged at the two ends of one side of the turning plate, fixing plates are fixedly installed at the tail ends of the second electric push rods, vacuum suction cups are arranged on the outer sides of the fixing plates, and the turning plate is driven to turn over by driving the rotating shaft, so that the second electric push rods and the vacuum suction cups are driven to turn over; according to the automatic glass sheet taking device, glass sheets on the discharging frame are adsorbed, the purpose of automatically taking the glass sheets is achieved, the glass sheets are stably placed on the machining table in cooperation with a first electric push rod, a first motor, a driven gear and a transmission gear, traditional manual glass sheet taking and placing are replaced, the machining efficiency is improved, and the situation that workers are injured is avoided.

The utility model relates to the technical field of alloy manufacturing and processing, and discloses an adjustable effect furnace for aluminum products, which comprises a heating box, the top of the heating box is fixedly connected with an inner box, the outer part of the inner box is fixedly connected with a motor, and the bottom of the motor is rotatably connected with a synchronizing wheel I; an air blower is fixedly connected to the outer side of the inner box, a guide pipe is fixedly connected to the exterior of the inner box, and two mounting columns are fixedly connected to the inner wall of the heating box. According to the adjustable effect furnace, through mutual cooperation of the fixing rods, the concave columns, the two-way screw rods, the limiting blocks and other structures, aluminum products can be clamped and fixed when the adjustable effect furnace is used for heating, the distance between the aluminum products and a heating source can be kept stable through clamping, and therefore the more uniform heating effect can be achieved; and the situation of local overheating or uneven temperature can be avoided, and the heating efficiency and quality are improved.

The utility model relates to the technical field of network cables, in particular to a compatible vehicle-mounted Ethernet cable. A wrapping layer, a shielding layer and a sheath layer wrap the periphery of a core wire, the wrapping layer is formed by wrapping a composite belt, the composite belt is formed by sequentially stacking an aluminum foil layer, a plastic layer and an aluminum foil layer, the core wire comprises a conductor and an insulating layer, the insulating layer is of a three-layer co-extrusion structure, and the insulating layer comprises an inner layer, a center layer and an outer layer which sequentially wrap the conductor from inside to outside. Through the composite belt composed of the aluminum foil layer, the plastic layer and the aluminum foil layer, the structure of the twisted core wire is more stable, a better forming effect and a better shielding effect are achieved, meanwhile, the consistency of the distance between the conductor and the aluminum foil layer is guaranteed, and therefore the stability of wire return loss and mode conversion performance is guaranteed; the insulating layer of the core wire adopts a three-layer co-extrusion structure, so that stable adhesive force between the insulating layer and the conductor can be ensured, the wire has a lower relative dielectric constant, and the wire is ensured to meet basic conditions of 1G and 10G performance requirements.