41results about How to "Flexible swing" patented technology

The invention relates to the technical field of insulator tests, and discloses a mechanical swing test device and method for an insulator, and the device comprises a swing testing machine, a connection tool, an insulator sample, a testing machine testing system, and a resistance strain gauge testing system. The swing testing machine is located on one side of the insulator sample, one end of the connecting tool is connected to the control end of the swing testing machine, and the other end is arranged at the top of the insulator sample; the control end of the testing machine testing system is connected with the control end of the swing testing machine; resistance strain gauges are respectively pasted on two sides of the insulator sample, and the resistance strain gauges are connected to a resistance strain gauge test system through leads. According to the invention, a mechanical swing test is carried out on the insulator sample through the swing testing machine, and the dynamic load condition in an actual working environment can be simulated, so that the mechanical property and durability of the insulator can be evaluated more accurately.

The utility model relates to the technical field of door plate limiting, and particularly discloses a door plate limiting device which is characterized by comprising a limiting rod and a sliding groove piece, the first end of the limiting rod is used for being hinged to a cabinet body, a step bolt is installed at the second end of the limiting rod, the sliding groove piece is used for being fixedly installed on the inner side of a door plate, and a long groove hole is formed in the sliding groove piece. At least one round hole is formed in the length direction of the long groove hole, the diameter of the round hole is larger than the width of the long groove hole, the step bolt is in sliding fit with the long groove hole to drive the limiting rod to swing, and the step bolt is in limiting fit with the round hole to achieve relative fixation of the limiting rod and the sliding groove piece to form positioning supporting. The size of the opening angle between the door plate and the cabinet body is fixed, hard collision between the door plate and the cabinet body is prevented, noise is avoided, the cabinet body and the door plate are prevented from being damaged, the overall strength is high, and the positioning and supporting stability is good.

This invention relates to the field of environmental monitoring and early warning, specifically to a mobile soil pollution monitoring and early warning device. The device includes a mobile module, on which a fixed component, a monitoring component, and an early warning component are mounted. The mobile module includes a vehicle body, within which a drive unit is connected. The drive unit is connected to a power unit, which is connected to a lead screw. A nut seat is fitted onto the lead screw, and a moving ring is fitted onto the nut seat. The fixed component is mounted on the moving ring and includes a connecting rod. The connecting rod is hinged to a mounting plate, which is fixedly connected to the side wall of the vehicle body. A through groove is formed on the connecting rod, and a driven rod is hinged to the through groove. A fixed plate is hinged to the fixed plate, and an insert rod is connected to the fixed plate. A monitoring component is located at one end of the lead screw, and the monitoring component is signal-connected to a controller. The controller controls the opening and closing of the drive unit and the power unit. The early warning component is used by operators to issue warnings. This invention aims to achieve functions such as real-time monitoring, automatic lifting and adjustment, stable fixing, and intelligent early warning.

This invention relates to the technical field of concealed pipeline mapping, and in particular to an auxiliary device for rapid three-dimensional coordinate positioning of concealed pipelines in installation projects. The invention includes a mother drone equipped with a probe and camera mounted on it. A marking nozzle is connected to the mother drone, and the marking nozzle is connected to and installed on a daughter drone. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable. The device uses a mother drone integrating a probe and camera, enabling multi-angle, omnidirectional spatial scanning and image acquisition of concealed pipelines. This achieves rapid and accurate three-dimensional coordinate positioning of the concealed pipelines, significantly improving the accuracy and reliability of the positioning. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable, enabling remote synchronous control. The daughter drone can flexibly move to the pipeline positioning point and automatically complete on-site marking, avoiding errors associated with traditional manual line drawing and improving the accuracy and consistency of the marking.

The utility model provides an anti-impact electric cylinder, which belongs to the technical field of engineering machinery and comprises a lead screw pair mounted in an outer pipe, a lead screw in the lead screw pair is driven by a servo motor to rotate, the lead screw drives a nut to do reciprocating rectilinear motion along the surface of the lead screw when rotating, a connecting pipe is fixed at the upper end of the nut, and a push rod is sleeved at the upper end of the lead screw. The push rod is matched with an extension block at the upper end of the connecting pipe in a hooking and pulling mode, the surface of the connecting pipe is sleeved with a compression spring, the upper end of the compression spring makes contact with the lower end face of the push rod, and when the nut pushes the push rod to do forward linear movement through the compression spring, impact energy can be absorbed and converted into elastic potential energy; direct damage of impact to core components such as a lead screw pair and a gear pair is effectively reduced, component failure caused by impact is avoided, and the service life of the electric cylinder under the high-impact working condition is remarkably prolonged.

The application discloses a mower, and belongs to the technical field of agricultural machinery, garden machinery or engineering machinery, which comprises a deflection base frame, a connecting rod mechanism and a spring; a first hinging point is arranged on a main support; a second hinging point is arranged on one side of the deflection base frame; a third hinging point is arranged on the other side of the deflection base frame; the deflection base frame is rotationally connected to the main support through the third hinging point; the spring is installed on the connecting rod mechanism and is used for driving the connecting rod mechanism to reset after the connecting rod mechanism is compressed due to external force acting on the mower head; the passive avoidance and automatic reset of the mower head are realized through cooperation of the deflection base frame, the connecting rod mechanism and the spring, and the structure is compact and responds rapidly. The pure mechanical structure does not need sensors and active control, has low cost, high reliability, and an avoidance stroke is not limited, so that the mower head and the driving mechanism can be effectively protected.

The utility model discloses an inclined ladder gravity center transfer balance training plate which comprises a supporting part used for bearing, a treading part is arranged on the supporting part, the treading part is obliquely arranged on the supporting part and can swing back and forth relative to the supporting part, and a user stands on the treading part, so that the inclined ladder gravity center transfer balance training plate is formed. Slow and continuous traction can be achieved through the shaking and inclination angle of the treading part, the tension of the triceps calf muscle can be changed, ankle joint deformity can be corrected and prevented, the triceps calf muscle is drafted, foot drop is improved, deformity is prevented, and the extensibility and elasticity of the muscle are recovered. Two combined treading parts can be used, two feet can stand on the different treading parts, training and practicing can be carried out in cooperation with body twisting, and the fitness device is suitable for athletes or fitness enthusiasts and is low in use cost, small in occupied space and convenient to transfer.

The utility model relates to the technical field of agricultural machinery, and discloses a multi-station lifting bar type hayrake which comprises a traction rotation support and a traction beam connected to the traction rotation support, a connecting support is arranged at the other end of the traction beam, telescopic frames are arranged at the two ends of the connecting support respectively, and positioning supports are arranged on the telescopic frames. A swing support is hinged to the positioning supports, a hay raking device is arranged on the swing support, a swing driving mechanism capable of driving the swing support to swing at the angle larger than or equal to 90 degrees is installed on the positioning support on at least one side, and the swing support can swing at the angle larger than or equal to 90 degrees by arranging the swing driving mechanism. The hay raking devices are controlled to break through the angle limitation (generally smaller than 90 degrees) of a traditional hay raking machine, the hay raking devices on the two sides can conduct tedding operation at the same time, the requirement for synchronous treatment of multi-ridge pasture is met, the operation efficiency is remarkably improved, meanwhile, the multi-station switching function adapts to different terrains and operation modes, and the equipment application range is further expanded.

The utility model relates to the technical field of cubilose production, in particular to cleaning auxiliary equipment for cubilose production, which comprises a cleaning mechanism, a swing mechanism and an auxiliary mechanism, the cleaning mechanism is positioned above the auxiliary mechanism, the swing mechanism is positioned inside the cleaning mechanism, and the cleaning mechanism comprises a stand column, a cross rod, a shower head, a nozzle, a cleaning barrel, a filter plate and filter holes. A cross rod is installed at the top end of the stand column, a shower head is installed at the bottom end of the cross rod, and a plurality of nozzles are installed at the bottom end of the shower head. The supporting rods are installed at the bottom end of the screening basket, the pulleys are installed at the bottom end of the supporting rods, and the pulleys move back and forth in the rail sliding grooves below, so that the screening basket swings more flexibly, feather impurities on bird's nests fall down through screening holes in the screening basket under the impact of water flow and are filtered through the filter plate at the bottom end, the water flow falls down, and the impurities are left on the filter plate. And water after cleaning can be reused and discharged from one side of the cleaning barrel, so that the cleaning efficiency of the cubilose is improved.

The utility model relates to the technical field of medical instruments, in particular to an improved stomatological spatula which comprises a spatula body and a spatula handle, one end of the spatula body is fixedly connected with a connector, a spring is fixedly connected between the spatula handle and the connector, the inside of the spatula handle is movably connected with a limiting piece, and the spring is arranged between the spatula body and the spatula handle. By arranging the spring, the elastic potential energy of the spring is utilized in the swinging process of the cutter body, so that the cutter body swings more easily and effortlessly, the operation is more flexible and convenient when a gypsum material is mixed, the force applied to the wrist part is reduced, the operation of medical personnel is more labor-saving, the gypsum material is uniformly stressed, and the stirring efficiency is improved; the sliding block can slide to drive the limiting piece to move, and the limiting piece extends into the limiting groove of the connector through the inner side of the spring, so that the cutter body is limited and fixed through the limiting piece, the cutter body is not in a flexible state any more, operation is facilitated, the equipment structure is simple, operation form switching is convenient and flexible, and practicability is high.

The present invention relates to a crawler-type slope cone drilling rig, which relates to the technical field of dam reinforcement drilling, and solves the problem that the drill rod is obliquely drilled, the force is uneven, the drill bit is difficult to drill, and the drilling efficiency is low. The crawler chassis includes a crawler chassis, a rotating platform is swingably provided on the crawler chassis, a control box is fixed on one side of the rotating platform, and a drill rod is lifted and lowered in the control box. The present invention swings the drill rod to a vertical state by swinging the control box and the rotating platform to achieve drilling in the vertical direction. The drilling process is smoother, and the drilled grouting hole is more stable, which effectively solves the problem of drilling difficulty caused by oblique drilling in the prior art, and has high work efficiency.

The utility model discloses an electric mold closing mechanism based on a connecting rod structure, which comprises a transverse guide rail, the transverse guide rail can move back and forth along a longitudinal guide rail arranged at the lower end position, and a support frame is fixed at the lower end position of the longitudinal guide rail. The limiting plate extrudes the stainless steel spring located at the right end of the limiting plate when the connecting rod moves, a T-shaped plate is fixed to the right end of the connecting rod, a plurality of balls are connected to the interior of the T-shaped plate in a sleeved mode, a fixing column is fixed to the interior of a clamping column, and a connecting rod is connected to the interior of the fixing column in a sleeved mode. The other end of the connecting rod is fixed to the T-shaped column, meanwhile, the T-shaped column and the ball are connected to the inner position of the connecting rod body in a sleeving mode, when the connecting arm swings, the connecting rod body can move, meanwhile, the stainless steel spring is compressed by the limiting plate, the limiting plate is reset after movement is completed, and therefore the connecting arm swings more flexibly.

This utility model relates to the field of release film removal technology and discloses an efficient release film demolding auxiliary device, including a worktable. A placement plate is slidably connected to the top right side of the worktable. Support columns are fixedly connected to all four sides of the outer side of the worktable. Support plates are fixedly connected to the top of both the rear and front support columns. The inner sides of the two support plates are slidably connected to the same sliding block. Two multi-stage telescopic rods are fixedly connected to the bottom of the sliding block. A motor is fixedly connected to the bottom rear side of the rear multi-stage telescopic rod. The output end of the motor passes through the interior of the rear multi-stage telescopic rod and is fixedly connected to a rotating drum. This utility model solves the problems of uneven demolding and low efficiency in traditional demolding methods, improves the quality and efficiency of release film demolding, reduces the labor intensity of manual operation, and increases the safety during production demolding.

The utility model relates to the technical field of tobacco leaf planting, in particular to a novel film breaking device which is characterized in that a film breaking device is arranged at the bottom of a film breaking device handle; the membrane breaking device is of a cylindrical structure; a circle of sawteeth are arranged at the bottom of the membrane rupturing device; a fixing screw hole is formed in the top of the membrane rupture device; a connecting frame is arranged on the fixing screw hole; the connecting frame is arranged at the bottom of the membrane rupturing device handle; a film suction fan is arranged in the film breaking device handle; a membrane suction opening is formed in the bottom of the membrane rupturing device handle; the membrane suction port is connected with a membrane rupture device handle through a membrane suction pipe; a connecting pipe is arranged at the bottom of the membrane rupture device handle; the top of the connecting pipe is connected with the garbage bin; the top of the garbage bin is connected with a film suction fan; a bin door is arranged on the side of the garbage bin. An air inlet and an air outlet are formed in the side face of the film suction fan. A storage battery is arranged at the top of the film suction fan; the problem of collecting the mulching film after the agricultural planting mulching film is broken is solved.

The invention relates to the technical field of concrete curing, in particular to an energy-saving precast concrete curing device which comprises a plurality of supporting units, each supporting unit comprises a supporting column, a water pipe is wound around the middle of each supporting column, a spray head is arranged on the outer side of the upper portion of each supporting column, and the energy-saving precast concrete curing device further comprises a driving part. The energy-saving type concrete prefabricated part curing device comprises a supporting column, a driving part and a rotating assembly, the driving part is movably arranged in the supporting column, when water flow is introduced into the supporting column, the water flow can drive the driving part to rotate, an adjusting part is movably arranged in the supporting column, and the energy-saving type concrete prefabricated part curing device further comprises the rotating assembly which is arranged on the lower half portion of the supporting column and is in transmission connection with the driving part. By means of the built-in water spraying system, it is ensured that gaps between the adjacent prefabricated parts are fully wetted, the problem that adjacent faces are difficult to wet in a traditional maintenance mode is solved, the spray heads can swing flexibly, the water spraying coverage range is expanded, and comprehensive and uniform maintenance of the prefabricated parts is achieved.

The utility model provides a solar panel connecting device and a swing frame, and belongs to the technical field of connecting equipment, the solar panel connecting device comprises a connecting piece used for being fixedly connected with the swing frame; the steering adjusting piece comprises a first connecting part connected with the connecting piece, a second connecting part is arranged on the first connecting part in a hinged mode, and a third connecting part is arranged on the second connecting part in a hinged mode; the hinge rotation direction of the second connecting part relative to the first connecting part is perpendicular to the hinge rotation direction of the third connecting part relative to the second connecting part, and the third connecting part is used for being fixed to a solar panel. The solar swing has the advantages that through the unique multi-hinge design of the solar panel connecting device, the solar panel can flexibly swing in multiple directions relative to the swing frame, and therefore the solar energy absorption efficiency is remarkably improved.

The present invention belongs to the field of medical devices, and specifically relates to a tumor ablation cutting surgical robot system, including a main control console, a video imaging system and a mechanical arm system, the video imaging system and the mechanical arm system are electrically connected to the main control console, the mechanical arm system includes a control console frame, a mechanical arm, a serpentine joint tube and a cutting knife head, the mechanical arm is provided with several degrees of freedom, the mechanical arm is arranged on the control console frame, the cutting knife head is arranged at the end of the mechanical arm through the serpentine joint tube, the cutting knife head includes a sleeve, a microwave knife, a water inlet pipe and a negative pressure water suction pipe, the microwave knife is arranged at the front end of the sleeve through a solid filler, the front end of the microwave knife is provided with a water outlet and a water suction port, the water inlet pipe is arranged on one side of the arc-shaped blade of the microwave knife, and is connected to the water outlet, the negative pressure water suction pipe is arranged on the other side, and is connected to the water suction port. The present invention can use a microwave hemostatic knife to stop bleeding on an incision, and can use the water outlet to suck away blood and water, providing a clear field of vision for surgery.

The invention belongs to the technical field of fluid control, and discloses a pendulum type mute rocker valve based on permanent magnet driving assistance and a control method, a cavity is defined by a valve body and a sealing assembly, a base and a support are sequentially arranged in a sleeved mode to achieve compact assembly, and the overall thickness of the valve is effectively reduced. A shaft penetrates through each component to realize linkage positioning, and a magnet is matched to drive an auxiliary structure to replace traditional pure coil driving to reduce power consumption; the conductive part supplies power to the coil and is matched with the magnet in the yoke to generate electromagnetic acting force to drive the sealing assembly to swing stably around the shaft, impact generated by beating of a movable armature and a static armature of a traditional electromagnet is avoided, and vibration and noise are reduced fundamentally. The sealing assembly is tightly attached to the sealing piece in the end face groove of the valve body, so that the sealing stability is guaranteed, and meanwhile slight vibration in the swinging process is buffered. Therefore, the problems that a traditional valve is large in noise and vibration are solved, the power consumption is reduced by optimizing the driving mode, and the use requirement of a high-precision scene is met.

The present invention discloses a telescopic high-altitude fruit picking device, and relates to the technical field of agricultural picking. The present invention comprises a picking tube, wherein a support assembly is arranged on the lower side of the bottom of the picking tube, a telescopic tube is inserted inside the top of the picking tube, a telescopic buffer cover is fixedly connected between the bottom of the telescopic tube and the side wall of the inner cavity of the picking tube, a fastening knob is threadedly connected to the outer side of the top of the picking tube, and the fastening knob is used to squeeze and fix the telescopic tube, a detachment assembly is arranged on the top of the telescopic tube, and the detachment assembly is used for detaching and collecting high-altitude fruits, and a buffer assembly is arranged inside and outside the bottom of the picking tube. The present invention can pick fruits more labor-savingly, can transport the picked fruits downward and complete the collection, and can buffer the falling of fruits of different sizes, thereby avoiding damage to the fruits, can detach multiple fruits, and improve the efficiency of picking.

The utility model belongs to the field of machining, and discloses a mixture feed opening anti-sticking device which comprises a base plate, ceramic lining plates are fixed to the front face and the rear face of the base plate respectively, connecting plates are symmetrically fixed to the upper end of the base plate, a horizontal rotating shaft is vertically fixed to the two connecting plates, rolling bearings are connected to the two ends of the horizontal rotating shaft respectively, and the rolling bearings are connected to the two ends of the horizontal rotating shaft respectively. A damping assembly is installed on any one of the front face and the rear face of the base plate. When in use, the damping device is mounted at the blanking position of the head of the belt conveyor, the surface provided with the damping component is mounted right opposite to a belt, the blanking point of the head of the belt conveyor just impacts on the ceramic lining plate of the damping device in the normal production process, and the damping device can flexibly swing after being impacted by materials due to the fact that the damping device is mounted in a suspended manner. By means of the characteristic, the materials are ingeniously prevented from adhering to the bin wall, the original material adhering problem is solved, the labor intensity of workers is reduced, and meanwhile stable production is guaranteed.

The utility model relates to record player equipment technical field especially relates to a new record player that can improve tone quality, include: record player main part shell, the bottom of record player main part shell is provided with the shock -proof subassembly. The utility model discloses is provided with the shock -proof subassembly, and the installation cylinder provides protection and spacing for shock -proof subassembly, and the connecting plate and lower connecting plate are connected with the installation cylinder through shock -proof support foot no.

The utility model relates to the technical field of PCB board discloses an anti -impact type PCB board including mounting panel, carrier plate and PCB main part, the reinforcing prop is equipped with movable seat no.

The utility model relates to the technical field of cosmetic mirrors, and discloses a cosmetic mirror with an adjustable inclination angle, which comprises a base, an adjusting assembly is arranged above the base, the adjusting assembly comprises an adjusting frame, a mirror body is arranged in the adjusting frame, and the back of the mirror body is fixedly connected with a swing connecting block. According to the make-up mirror with the adjustable inclination angle, the adjusting assembly is arranged, the mirror body can flexibly swing in the adjusting frame, a user can easily adjust the inclination angle of the mirror body located in the adjusting frame only through slight operation, the mirror body can be positioned after swinging, the mirror body is kept in a stable inclination state, and the make-up mirror with the adjustable inclination angle can be used for daily make-up or daily make-up. According to the utility model, the user can adjust the mirror body to the most appropriate angle according to factors such as the height, the sitting posture and the observation angle of the user, so that the frequency of twisting the neck and the waist of the user is greatly reduced, and muscle fatigue and aching pain possibly caused by keeping an unnatural posture for a long time are avoided.

The utility model discloses a cow body brushing device for cow feeding, which comprises a mounting base, a cuboid-shaped upright post fixed on the mounting base, a motor speed reducer assembly and a chain wheel supporting seat fixed at the top of the upright post, and a chain wheel connected with the motor speed reducer assembly and arranged on the chain wheel supporting seat, the sliding rail and sliding block assemblies are fixed to the side edges of the stand column in a one-to-one correspondence mode in the longitudinal direction, the sliding base is arranged on the sliding rail and sliding block assemblies in a sliding and sleeving mode, one end of the chain is connected with the sliding base, and the chain is wound around the chain wheel in an engaged mode; the balance weight block is connected with the other end of the chain; the cattle body brush driving motor is arranged on the cattle body brush mounting frame, the cattle body brush body is connected with the cattle body brush driving motor, and the control table is fixed to the stand column and electrically connected with the cattle body brush driving motor and the motor speed reducer assembly. By means of the scheme, the device has the advantages of being simple in structure, flexible, reliable and the like.

The invention discloses a wind power blade size measuring device based on machine vision, and belongs to the technical field of laser measurement, the wind power blade size measuring device comprises a supporting seat and an annular rod, the supporting seat is provided with two moving holes, the annular rod is located in the moving holes, and a sliding supporting mechanism is slidably arranged outside the annular rod; according to the device, key components such as an annular rod, a second driving assembly, gears, a toothed bar, a laser measuring assembly, a first driving assembly and a reciprocating screw rod are adopted, the annular rod and the toothed bar with gaps can keep smooth and stable rotation through the arrangement of four supporting wheels and two gears, the stability of the device is improved through the design, and the accuracy of the device is improved. In addition, the rotating laser measurement assembly can carry out laser measurement on the wind power blade along multiple angles, the multi-angle measurement mode enables laser measurement not to be affected by light and fixed angle measurement easily, and therefore the accuracy of the laser measurement result is guaranteed to a certain degree.

This application relates to an automated inter-row directional spraying device with extended pipeline, belonging to the field of agricultural plant protection machinery technology. The structure of the spraying device includes: an intelligent mobile vehicle and a pipeline delivery unit; one end of the intelligent mobile vehicle is equipped with a terminal spraying device unit; the pipeline delivery unit includes a field-end pesticide tank, a high-pressure pump, a main delivery hose, and a coiled hose assembly; the coiled hose assembly is fixedly installed at the other end of the intelligent mobile vehicle, and the high-pressure pump is fixedly installed in the middle of the intelligent mobile vehicle; one end of the main delivery hose is connected to the coiled hose assembly, and the coiled hose assembly is connected to the terminal spraying device unit through the high-pressure pump; the other end of the main delivery hose is connected to the pesticide tank, and the main delivery hose is coiled on the coiled hose assembly; the intelligent mobile vehicle is an intelligent agricultural power machine; this application has the technical effects of better continuity during delivery and retraction operations and improved uniformity of spraying on crops.

The utility model belongs to the technical field of surgical instruments, and particularly relates to a multi-degree-of-freedom surgical mechanical arm with a microwave hemostasis knife. Comprising an operation cutting tool bit, a snakelike joint tube and a mechanical arm body, the operation cutting tool bit is connected to the mechanical arm body through the snakelike joint tube and comprises a sleeve, a microwave hemostasis knife and an electric hook are arranged at the front end of the sleeve, a microwave conduction wire is connected to the rear portion of the microwave hemostasis knife, and an electric wire is connected to the rear portion of the electric hook. A water inlet hole is formed in the ventral face of the microwave hemostasis knife, a water outlet hole is formed in the back face of the microwave hemostasis knife, a water inlet pipe communicated with the water inlet hole and a water outlet pipe communicated with the water outlet hole are arranged in the sleeve, and the electric wire, the microwave conduction wire, the water inlet pipe and the water outlet pipe sequentially penetrate through the snake-shaped joint pipe and the mechanical arm body. The surgical cutting tool bit with the microwave hemostasis knife is combined with the snakelike joint tube, so that the hemostasis effect can be guaranteed, and the surgical cutting tool bit can swing flexibly.

The utility model relates to the field of waste gas emission detection equipment, and discloses a multifunctional industrial waste gas emission detection device which comprises a detection box, the front surface of the detection box is detachably connected with a control panel, the left surface of the detection box is provided with an air inlet assembly, and the right end of the detection box is fixedly connected with an air outlet pipe. An air outlet valve is arranged at the left end of the air outlet pipe, an auxiliary assembly is arranged in the detection box, a detection sensor is fixedly mounted on the surface of the inner wall of the detection box, the air inlet assembly comprises a supporting plate, and a motor is fixedly mounted at the axis of the left surface of the supporting plate. According to the exhaust gas detection device, through mutual cooperation of parts in the air inlet assembly, the air direction plate can flexibly swing according to the flowing condition of exhaust gas, so that the exhaust gas is uniformly distributed in the detection box, the situation that the gas only locally occurs from the outer side of the detection pipe in the detection box is avoided, and the exhaust gas detection comprehensiveness and accuracy of the equipment are effectively improved.

The utility model provides a kind of river embankment maintenance engineering protection structure, it is related to hydraulic engineering protection technical field, including the split type protection module for river embankment protection, the rear side of the split type protection module is detachably connected with the rotating anchoring structure for anchoring, the surface of the rotating anchoring structure is provided with the anti-stab structure for preventing rotation, the quantity of the anti-stab structure is several, and evenly distributed.The utility model sets up split type protection module, rotating anchoring structure and anti-stab knot, solve the existing river embankment protection and adopt concrete slope protection or riprapping structure, there is the problem of poor ecology, gap is easily hollowed out by water flow, traditional gabion stone cage net structure can plant grass, but the integrity is insufficient, after impact, easily deformed failure problem.

The utility model provides an anti-windage yaw composite insulator, which comprises a core rod and two groups of hanging assemblies, and umbrella skirts are arranged on the peripheral wall of the core rod; the two hanging assemblies are arranged at the two ends of the core rod respectively, each hanging assembly comprises a hanging ball arranged at the end of the core rod and a hanging piece arranged on the periphery of the hanging ball in a sleeving mode, the hanging balls are rotationally connected with the hanging pieces, and hanging rings used for being connected with hardware fittings are arranged on the hanging pieces. According to the anti-windage yaw composite insulator provided by the utility model, the composite insulator can swing flexibly in strong wind, and breakage caused by rigid pulling is avoided.