60results about How to "Improve the protection effect" patented technology

A magnesium and magnesium alloy composite protection fire-retardant covering flux and its manufacturing method are provided. The chemical components of the covering flux are as follows (by weight): 50% to 70% of magnesium chloride, 8% to 18% of potassium chloride, 7% to 16% of sodium chloride, 1% to 8% of calcium chloride,1% to 8% of calcium fluoride,1% to 7% of magnesia, 1% to 5% of fluxing medium cryolite, 0.5% to 6% of carbonate foaming agent, 0.5% to 4% of beryllide fire retardant. The flux provided by the invention has excellent flame retardant property.

The invention relates to a seal welding method of a titanium tube and a titanium tube plate of an all-titanium condenser. A turbine condenser requires higher air tightness, and the traditional copper alloy tube condenser can cause leakage for the corrosion and the destruction of a condensing tube and is an important reason for causing the unplanned outage of an electric power plant. The seal welding method of the titanium pipe and the titanium tube plate of an all-titanium condenser comprises the following steps of: selecting parameters according to the requirements of forming sizes, wherein the width of a welding channel is less than 3mm and does not exceed a half of the width of a hole bridge, and the size of the reinforcement of the welding channel corresponds to the inside raised size of the tube; and when welding titanium materials, a positive surface, a negative surface and a welding area above 200 DEG C are welded under argon protection. The invention is used for the seal welding of the titanium tube and the titanium tube plate of the all-titanium condenser.

The invention relates to a solid-free active salt water drilling fluid for coalbed methane (CBM) horizontal wells, belonging to the technical field of CBM drilling and mining. The drilling fluid is characterized by comprising water, a water-based lubricant, an anti-water-blocking agent and soluble salt, wherein the water-based lubricant accounts for 1-3% of water by weight; the anti-water-blocking agent accounts for 0.5-1.0% of water by weight; the soluble salt is used for adjusting the density of the drilling fluid and is determined according to required drilling fluid density; the water-based lubricant is water-based polymeric alcohol or water-soluble polyethylene glycol; the anti-water-blocking agent is an organosilicon surfactant or nonylphenol polyoxyethylene ether; and the soluble salt is industrial sodium chloride, industrial potassium chloride or industrial calcium chloride and is used for adjusting the density of the drilling fluid. The solid-free active salt water drilling fluid can not only furthest protect the coal beds but also effectively stabilize well walls and keep boreholes clean and has the characteristics of solid-free property, low surface tension, strong anti-swelling property and density adjustability.

The invention discloses a top airbag integrated system and a control system, and relates to the field of vehicle safety. One specific embodiment of the top airbag integrated system comprises a guide rail and an airbag assembly, the guide rail is installed on a top vehicle body and located between an interior ceiling and the top vehicle body, and the guide rail is arranged along the shape of the top vehicle body, is of a frame-shaped structure with the closed edge and extends to the upper area on the outer side of a vehicle seat; the multiple air bag assemblies are arranged on the guide rail and used for being unfolded downwards to protect passengers in the automobile. According to the system, passengers in the vehicle can be effectively protected through the overhead air bag assembly.

The invention discloses a preparation method of a 400MPa-grade industrial atmosphere corrosion-resistant reinforcing steel bar, and relates to the technical field of corrosion-resistant reinforcing steel bars. The 400MPa-grade industrial atmosphere corrosion-resistant reinforcing steel bar is prepared through molten iron desulphurization, converter smelting, argon blowing, continuous casting, square billet heating, rolling, controlled cooling and cooling bed air cooling. The 400MPa-grade industrial atmosphere corrosion-resistant reinforcing steel bar prepared through the method mainly comprises, 0.18-0.21% of C, 0.40-0.60% of Si, 1.30-1.50% of Mn, less than or equal to 0.030% of S, 0.08-0.15% of P, 0.20-0.40% of Cu, 0.03-0.05% of V, 0.008-0.012% of N and the balance Fe and other inevitable impurity elements. The 400MPa-grade industrial atmosphere corrosion-resistant reinforcing steel bar prepared by the invention has qualified mechanical properties and excellent corrosion resistance.

The invention relates to an intelligent adjustable sacrificial anode and cathode protection device. The device comprises a singlechip, a signal processing unit, a digital / analog (D / A) conversion unit, an insulated gate bipolar transistor (IGBT) power unit, a keyboard unit, a sacrificial anode block, a buried pipeline and a reference electrode; the minimum protective potential value of the singlechip is set through the keyboard unit; the singlechip is awakened by pulse signals in every 4 seconds and used for controlling the signal processing unit to acquire the potential between the buried pipeline and the reference electrode, filtering the potential and storing the filtered potential into a data register of the singlechip; after N times of acquisition, the singlechip processes the acquired N data and outputs an increment value; the output increment value is used for controlling the impulse value of pulse width modulation (PWM); and the analog voltage generated after the impulse value is converted by the D / A conversion unit is output to the IGBT power unit, and the potential between the buried pipeline and the reference electrode is adjusted by controlling the IGBT power unit. Compared with the prior art, the device has the advantages of realizing long-term stability of the minimum protective potential of a protected body and the like.

The invention provides a waterproof micro-special motor controller which comprises a body mechanism and a protective mechanism, A main body mechanism is installed inside that protective mechanism andextends to the rear end of the protective mechanism, the body mechanism includes a mounting plate, a cover plate, a Housing, fins, an Inner shell and a mounting column, the protective mechanism comprising a shield, a U-shaped limiting plate, a U-shaped sealant strip and a sponge cushion, in accordance with that prior art, The invention has the following beneficial effects: heat dissipation is realized, service life is prolonged; in addition, the heat dissipation fin, the shell and the inner shell form a double-layer protection structure, the protection effect is improved, the controller body and the protective cover are sealed, the waterproof function is realized, and the shell is fastened on the controller body by the interference connection of the U-shaped sealant strips at the same time.

The invention belongs to the technical field of landscaping, and particularly relates to a stepped three-dimensional planting system for roof green plants. The system comprises a horizontal bottom plate and stepped planting platforms. Circular through holes and through grooves are formed in each layer of planting platform, first circular trays are rotationally installed on the planting platforms,first limit blocks are installed at the edge of each first circular tray, and an insertion groove is formed in the bottom surface of each first circular tray. Cylinders are installed on the upper surface of the bottom plate, an installation block is fixedly connected to the top of each cylinder, a limit rod is arranged between every two installation blocks, sliders are in sliding fit on each limitrod, rotating shafts are rotationally installed on the corresponding sliders, second circular trays are installed at the top of the corresponding rotating shafts, and insertion blocks are arranged onthe upper surface of the second circular trays. Transmission teeth are arranged outside the rotating shafts, and the rotating shafts are connected by transmission belts. Plants on the lower step cannot be damaged during taking down of upper potted plants, and the potted plants can be well protected in severe weather such as typhoons, hail and the like.

The invention discloses a low-temperature self-heating type cable anti-freezing protection sleeve, which belongs to the technical field of cable protection sleeves, and comprises a cable and a protection sleeve mechanism, the protection sleeve mechanism sleeves the outer side of the cable, and the protection sleeve mechanism comprises a water absorption layer, a trigger layer, a heating layer, a thermal insulation layer and an insulation layer, the triggering layer comprises a double-layer hollow first elastic sleeve, the first elastic sleeve is filled with a first filler, the inner side wallof the first filler is filled with a plurality of spherical air bags which are annularly and evenly distributed, the outer side of the triggering layer is fixedly connected with a heating layer, and the heating layer comprises a double-layer hollow second elastic sleeve; and the second elastic sleeve is filled with a second filling agent. When the temperature is low, heat can be generated spontaneously and transferred to the surface of the cable, the surface temperature of the cable is increased, the cable is prevented from being frozen, cracked and damaged, the cable is protected more comprehensively, and the service life of the cable is prolonged.

The invention relates to the technical field of circuit boards, in particular to a double-layer high-strength flexible circuit board with an internal reinforcing mechanism. The double-layer high-strength flexible circuit board comprises a circuit board, a reinforcing plate and a heat dissipation structure, and the circuit board is adhered to the outer side of the reinforcing plate through an adhesive; the reinforcing plate and the circuit board are fixedly connected to the two sides of the heat dissipation structure through positioning screws; the heat dissipation structure comprises heat-conducting plates, a plurality of uniformly distributed heat-conducting columns protrude from the outer sides of two ends of the heat-conducting plates; the heat-conducting columns penetrate through the reinforcing plate and is connected with the circuit board; and supporting columns are welded between the heat conducting plates. The beneficial effects are that: a reinforcing structure and a heat dissipation structure can be added between the two layers of flexible circuit boards, the strength and toughness of the flexible circuit board can be improved through the reinforcing structure, the protection effect is improved, the heat dissipation effect between the circuit boards can be improved through the heat dissipation structure, the use effect of the circuit boards is prevented from being affected by high temperature, the circuit boards are protected against high-temperature damage, and the heat dissipation structure can also achieve the effect of improving the strength of the circuit boards.

The invention provides a car side surface safety air bag which is characterized in that a safety air bag device is assembled on one side of a car seat closing to the outside direction of the car, after being detonated, the safety air bag device unfolds from the bottom up to form an air cushion. According to the safety air bag provided by the invention, the conventional mode for protecting a driver and passengers in car side crash is changed, the air bag unfolds from the bottom up on the side close to the outside direction of the car after being detonated, so as to prevent the driver and the passengers from being hurt by colliding with interior trim parts inside the car, and improve the protect effect of the driver's and the passengers' abdomens and costal bones. In an actual crash accident, the protective value of the side safety air bag can not be decreased with different postures and sitting positions of the driver and the passenger and different angles of seat backrests.

The invention discloses an automatic installation device of the protective sleeve of a capacitor. The automatic installation device comprises an upper seat and a lower seat; two oil cylinder rods are arranged between the upper seat and the lower seat; an accommodating groove is arranged on the lower seat; the accommodating groove is located between the two oil cylinder rods; one mechanical arm is arranged at each of two sides of the accommodating groove; the mechanical arms are provided with rubber clamping blocks; a clamping device is arranged below the upper seat; the protective sleeve is arranged in the accommodating groove; and a notch is formed in the protective sleeve; and the capacitor is clamped on the clamping device; and the position of the lead-out line of the capacitor is corresponding to the position of the notch in a vertical direction. The device has the advantages of high automation degree, high work efficiency and high installation accuracy. With the device adopted, the installation work of the protective sleeve of the capacitor can be completed quickly, manpower installation costs can be decreased, and the protection effect of the protective sleeve can be improved.

The invention provides an airbag assembly and an automobile, wherein the airbag assembly comprises an airbag, an airbag box used for placing the airbag, an installing support, a pushing device, a crash sensor and a displacement sensor. The installing support comprises a first shell and a second shell, the second shell are fixedly connected with the airbag box, the first shell is provided with a sliding rail, and the second shell is arranged in the sliding rail in a sliding mode. The pushing device is fixedly arranged on the first shell. The crash sensor is installed on the automobile body. The input end of the displacement sensor is electrically connected with the crash sensor. The first output end of the displacement sensor is electrically connected with a first electronic-control switch, and the second output end of the displacement sensor is electrically connected with a second electronic-control switch. According to the airbag assembly and the automobile, the airbag can be controlled to move to a corresponding direction according to the crash position of the automobile, so that the position between a passenger and the airbag is suitable, and the protecting effect of the airbag is improved.

The invention relates to the technical field of intellectual property display, in particular to an exhibition device for an intellectual property exhibition. The device comprises a bottom pillar, a support mechanism, a placing mechanism, an introduction mechanism, a limiting mechanism, a protection mechanism and a locking mechanism. Accordingly, the height of all placing plates can be adjusted byrotating screws, the central points of all products are located at the same level, watch personnel can understand all the products by standing at one position, people can rotate the placing plates toobserve the products in all directions, and people can understand the products deeper and more comprehensive; the locking mechanism can effectively limit the products, and the products are prevented from falling off; when the products need to be further protected, a top plate can be pulled upwards, a protective film covers the exterior of each product, the protection mechanism is limited through the limiting mechanism, and the protection effect is improved.

The invention discloses a fan protection method, device and equipment and a computer storage medium. The fan protection method comprises the steps that a carrier corresponding to a fan is determined,and the carrier and the fan are subjected to fault detection; and if a fault exists in the carrier and / or the fan, the control mode of the fan is obtained according to the fault type of the fault, andthe fan is controlled to operate based on the control mode. The protection effect of the fan is improved, and the service life of the fan is prolonged.

The invention relates to a dual layer mobile phone protective shell capable of being assembled and disassembled easily. The mobile phone protective shell comprises a protection shell, which comprisesan inner shell and an outer shell. The inner shell is flexible. The shape of the inner shell is corresponding to the shape of the outer shell. The inner shell is arranged in the outer shell. The outershell comprises at least one button part. At least one button part is arranged in one long lateral surface of the outer shell. At least one button part comprises a connection terminal and a hollow part. A part of the hollow part encloses the connection terminal. The provided dual layer mobile phone protective shell has the advantages that the inner layer has a buffering function, the outer layeris scratch resistant, the disassembly and assembly are easy, the button is convenient to press, and dust stratification is avoided.

The invention provides a gas welding protection device. The gas welding protection device comprises a welding die and a protection cover. Protective gas enters the welding die from a gas injection port in the welding die so as to enter a welded component needing flame welding. The protective gas is released in the welded component to protect a welding part. Along with constant injection of gas, the gas is released outwards from the interior of the welded component and enters the protection cover, the gas releasing direction is changed through a protection cover ventilation hole, the welded part subjected to flame welding is protected again from the outside, sufficient gas protection is conducted from the interior and the exterior, and the protective gas is sufficiently utilized again. Thegas welding protection device is simple in structure and does not occupy additional space, acid pickling treatment is not used or reduced, the enterprise cost is effectively reduced, toxic and harmfuldangerous chemical danger is reduced, the effects of energy saving, emission reducing and environment protecting are achieved, and the technology requirement of products is not influenced.

The invention discloses an outdoor adjustable power distribution cabinet, and belongs to the field of power distribution cabinets; the outdoor adjustable power distribution cabinet comprises a power distribution cabinet body, wherein the power distribution cabinet body is arranged on a base; the base is arranged on the ground; a ceiling is arranged at the top end of the power distribution cabinetbody, and a side plate is arranged on the side wall of the ceiling; a control panel is arranged inside the power distribution cabinet body; an air extractor is arranged on the outer wall of the powerdistribution cabinet body; heat absorption pipes are arranged on the inner wall of the power distribution cabinet body; the heat absorption pipes are arranged in a spiral arrangement mode; the heat absorption pipes are communicated with heat exchange pipes, and the heat exchange pipes are buried below the ground; and a water pump and a water inlet are arranged on the heat absorption pipes. According to the outdoor adjustable power distribution cabinet, the internal drying is guaranteed, and the safety is ensured. When the internal temperature of the power distribution cabinet body is too highin summer, heat in the power distribution cabinet body is timely absorbed through the heat absorption pipes, and the heat is circulated to the heat exchange pipes through water; the temperature of theground is low, the heat of water in the heat exchange pipes is transferred to the ground, and heat dissipation is facilitated, the internal temperature of the power distribution cabinet is ensured, the aging of the component due to excessively high temperature is avoided, the service life of the component is prolonged, and the safety is improved.

The invention belongs to the technical field of biological sample acquisition, in particular to a sampling and acquiring device for vegetation with soil for biological detection. Aiming at the problemthat the vegetation is difficult to survive since the existing vegetation sampling and acquiring device has great damage to the vegetation roots, the invention proposes the sampling and acquiring device, which comprises a fixing frame, wherein a supporting column is welded to one side of the inner wall at the top part of the fixing frame, insertion nails are welded to the outer wall at the bottompart of the fixing frame, a Z-shaped frame sleeves one side outer wall of the supporting column, a push rod motor is fixed to the outer wall of the bottom part of the supporting column by means of screws, and a fixed stand is fixed to an output shaft of the push rod motor by means of screws. The sampling and acquiring device can reduce the damage to the vegetation roots, effectively improve the phenomenon that the vegetation root are cut when soil scarifying teeth move, is conductive to enhancing the protection efficiency of the soil scarifying teeth, improves the protection effect on the vegetation roots, can wash away soil on the outer wall of the soil scarifying teeth, keeps the outer wall of the soil scarifying teeth clean, helps to improve the scarifying efficiency, and can reduce rigid damage to the vegetation.

The invention relates to the technical field of spinning, and discloses a yarn anti-breaking intelligent manufacturing device for spinning. The yarn anti-breaking intelligent manufacturing device comprises a supporting frame, a supporting plate is rotatably connected to the top of the supporting frame, a transmission shaft is fixedly connected to the bottom of the supporting plate, and a transmission bevel gear is fixedly connected to the bottom of the transmission shaft. A main shaft is fixedly connected to the bottom of the transmission bevel gear, a transmission wheel is fixedly connected with the bottom of the main shaft, and a connecting bevel gear is connected to the exterior of the transmission bevel gear in a meshing mode. The transmission shaft, the transmission bevel gear, the main shaft, the transmission wheel, the connecting bevel gear, a movable frame, a connecting gear, a pressure rod, a pressure spring and a brake ring are used in cooperation, so that the effect of braking and buffering is achieved, yarn breakage is effectively avoided, the yarn protection effect during spinning is improved, the situation that the yarn protection degree is insufficient due to the limited buffering stroke is effectively avoided, the spinning quality is improved, the trouble of re-piecing is avoided, and the spinning work efficiency is improved.

The invention relates to a logistics vehicle which comprises a vehicle body, a container and a driving device for driving the vehicle body, a safety module used for detecting the environment in the container is arranged in the container. A container door used for controlling the container to be opened and closed is arranged at the tail of the container, air bags used for fixing goods are laid on the top wall in the container, the inner wall, close to the vehicle body, of a cab and the inner side walls of the two sides of the cab, air bags are also laid on the inner side wall of the container door, and an air pump used for inflating the multiple air bags is arranged on the vehicle body. According to the invention, the air pump is started to inflate the plurality of air bags in the container; the goods are firmly fixed by the inflated air bags; the probability of collision between the goods and the inner wall of the container is reduced, meanwhile, shock absorption protection is conducted on the goods, it is ensured that the goods can be safely transported, meanwhile, through the air bags arranged on the inner wall of the container in advance, the time for filling shock absorption goods between the goods and the inner wall of the container after goods loading can be saved, and the effect of improving goods loading efficiency is achieved.

The invention provides an engine overspeed protection method and an engine controller which are used for improving the accuracy of judging whether an engine is overloaded or not. The engine overspeedprotection method comprises the steps that the engine controller obtains the engine accelerator opening degree, the engine rotating speed and the bottom layer energizing time of an engine; the enginecontroller judges whether the engine simultaneously meets the requirements that the accelerator opening degree is smaller than a calibration value of the accelerator opening degree, the engine rotating speed is larger than the calibration value of the engine rotating speed, and the bottom layer energizing time is smaller than the calibration value of the bottom layer energizing time or not; if yes, the engine controller determines that the engine is in an Overrun reverse towing working condition state; the engine controller obtains a supercharging pressure value of the engine; the engine controller judges whether the supercharging pressure value is larger than the calibration value or not; if yes, the engine controller determines that a fuel injector of the engine is in an abnormal state;and the engine controller switches off the fuel injector.

The invention discloses a charging pile and a protection device thereof, the charging pile comprises a charging pile body, a moving part is arranged in the charging pile body, and a power part is arranged in the charging pile body. By arranging the charging pile body, positions of the first circuit board and the second circuit board arranged in the charging pile body can be relatively changed, so that the position of the second circuit board can be reasonably adjusted according to the size of rainwater, and a restraining piece arranged in the charging pile can be used for arranging and restraining wire harnesses between the first circuit board and the second circuit board; and meanwhile, in order to conveniently and reasonably protect an internal circuit of the charging pile body according to the size of rainwater in real time, a power piece is arranged in the charging pile body, and practicability is further improved. And the protection effect on the internal circuit of the charging pile body is further improved.

The invention relates to the technical field of auxiliary devices for production of safety seats, in particular to a cloth shearing device for production of safety seats. The effect of protecting people can be enhanced, and safety is improved; meanwhile, cloth which is shorn off can be stored conveniently, and usability is improved; and the stability of a connecting shaft after a cloth sleeve sleeves the connecting shaft is enhanced, and use reliability is improved. The cloth shearing device for production of safety seats comprises a base, a working table, transmission equipment, a knife holder, a blade, a fixing plate and a connecting shaft, and further comprises a protecting piece, a shielding piece, a placement box, a fixing block and a supporting piece, wherein the connecting shaft isarranged at the front end of the fixing plate; the knife holder is arranged on an output end of the transmission equipment; the blade is arranged at the top end of the knife holder; an output end of the blade is positioned at a rear half region of the top end of the working table; the blade is positioned on the direct rear side of the protecting piece, and is positioned in the shielding piece; thelower side surface of the placement box is in contact with the right side of the top end of the base; the supporting piece is arranged at the left front region of the top end of the base; and the topend of the supporting piece is in contact with the front side of the bottom end of the connecting shaft.

The invention discloses a lightweight design superposed beam stirrup inclination prevention device, and belongs to the technical field of superposed beams, the lightweight design superposed beam stirrup inclination prevention device comprises a top plate and side plates, an adjusting mechanism is arranged in the top plate, the side plates are arranged on the front side and the rear side of the lower surface of the top plate, and the lower surface of the adjusting mechanism is fixedly connected with the upper surfaces of the side plates; the opposite faces of the two side plates are each provided with a bearing mechanism and an anti-inclination mechanism, and the faces, away from each other, of the two side plates are each provided with a supporting mechanism. According to the device, the top plate and the side plates are arranged, the top plate and the side plates surround the superposed beam, the superposed beam is prevented from being exposed to the sun, meanwhile, the superposed beam can be protected against impact influences, the anti-inclination mechanisms can fix and protect the stirrups, and the situation that the stirrups are impacted, bent and inclined to affect use is avoided; and meanwhile, the supporting mechanism supports the superposed beam, friction between the bottom of the superposed beam and the carriage is avoided, and the protection effect on the superposed beam is further improved.

The invention discloses a plant protection unmanned aerial vehicle sprayer protection device with a buffering function. The plant protection unmanned aerial vehicle sprayer protection device comprisesa supporting column, a first connecting rod and a collision protection sleeve, a mounting plate is mounted on the upper portion of the supporting column, a sprayer is mounted on the lower portion ofthe supporting column, the right side of the first connecting rod is connected with a second connecting rod, a rubber rod is fixed onto the right side of the second connecting rod, a clamp slot is formed in the left middle of the collision protection sleeve, the surface of the collision protection sleeve is connected with second stop teeth, the collision protection sleeve is connected with the rubber rod through a first spring, and a partition plate is fixed into the first connecting rod and connected with the second connecting rod through a second spring. As the plant protection unmanned aerial vehicle sprayer protection device with the buffering function is provided with the second spring, impact on the rubber rod can be buffered by extension and retraction of the second connecting rod and the first connecting rod, the buffering effect of the device is further improved, and the unmanned aerial vehicle sprayer is effectively protected.

The invention discloses a tree cultivation frame for landscaping engineering, and relates to the field of landscaping engineering. The tree cultivation frame comprises main supporting rods, side connecting rods are fixedly connected to the upper ends of one sides of the main supporting rods, and containing holes are fixedly formed in the ends, away from the main supporting rods, of the side connecting rods. According to the tree cultivation frame, fixed screw cones, side fixing plates and side containing plates are arranged, the two fixed screw cones are inserted into the two ends of a tree needing to be fixed in a rotating manner through threads, the side fixing plates are inserted into the side containing plates to be clamped, at the moment, a tree trunk is clamped between two main fixing plates to be fixed, and reset springs are in a natural state; when the fixed tree trunk grows up, along with thickening of the tree trunk, the main fixing plates are pushed to enable sliding columnsto slide in containing holes to stretch the reset springs, so that the distance between the two main fixing plates is increased, and manual adjustment is not needed; and by means of the tree cultivation frame, the clamping effect of the tree cultivation frame can be buffered along with growth of the tree, so that the influence of the cultivation frame on growth of the tree is effectively avoided.

The invention relates to the technical field of automobile manufacturing, and particularly discloses a control system and control method for preventing a steering wheel from rotating during an automobile collision and an automobile. An electric control unit of a safety system and an electric power-assisted steering system in the control system are electrically connected, and data transmission andexchange are realized so that the electric power-assisted steering system can identify and receive the safety system ignition instruction during automobile collision, and the steering of the steeringwheel can be locked; and the electric power-assisted steering system is further electrically connected with a data communication bus, and can receive the vehicle speed signal sent by the data communication bus and release the steering of the steering wheel. Due to the adoption of the control system, the phenomenon that the steering wheel rotates along with the wheel deflection during automobile collision can be avoided, so that the protection effect of the airbag is improved. In addition, the control system does not add additional components, only the existing vehicle body system is utilized for functional integration, and the control method is simple and easy to implement.

The invention relates to the technical field of guardrails, and discloses a municipal construction guardrail with a collision buffering function, the municipal construction guardrail comprises a shell, an inner cavity of the shell is movably connected with a buffering mechanism, the buffering mechanism comprises a sliding frame, a buffering column extending to the edge of the sliding frame is slidably inserted into the right part of the inner cavity of the shell, symmetrical tooth blocks are slidably connected with the middle of the inner cavity of the sliding frame, and an abutting spring is fixedly connected between the tooth blocks. According to the municipal construction guardrail with the collision buffering function, the tooth blocks are pushed to compress and abut against the spring through deformation of a hinge frame, small-collision-force buffering can be carried out, large-collision-force effective buffering can be carried out in cooperation with the self-adaptive reverse acting force of a telescopic flow guide ring when a permanent magnet strip moves, a guide connecting pipe, a tooth-shaped rod and an extension strip are matched to automatically deform to support the shell in time, so that the protection effect on the two collision parties is effectively improved, and the stability performance of equipment operation is improved.