77results about How to "Avoid Personal Safety Issues" patented technology

The invention belongs to the field of field construction safety control and particularly relates to the technical field of a field production safety monitoring system for building construction and an application method thereof. The field production safety monitoring system comprises a field induction system arranged in a safety helmet worn by a field constructer and a central control room, wherein the field induction system comprises a sensing chip, a positioning marking chip and a speech chip; and signal transmission is realized between the field induction system and the central control room through a Zigbee wireless network. According to the field production safety monitoring system for building construction, which adopts the technical scheme, the safety helmet is connected into a whole with the sensing chip, the positioning marking chip and the speech chip, so that the constructer can conveniently carry the field production safety monitoring system; as the construction building sites are relatively centralized, data acquisition or monitoring branches are more, the Zigbee network can be conveniently built; the equipment cost is low; the reliability in data transmission is high; the safety is high; the safety monitoring fund is saved; and a favorable tool is provided for construction safety of building enterprises.

The invention relates to an automobile near-drowning life-saving system which comprises a plurality of water depth sensors arranged on an automobile body, a plurality of safety air bags arranged on the automobile body and a control module. The control module is configured to judge the near-drawing degree of an automobile according to a plurality of water depth values from the water depth sensors and control the starting of the safety air bags based on the near-drawing degree.

The invention discloses an intelligent household monitoring system based on Internet of Things. The monitoring system comprises an intelligent household server, a user data acquisition module, a datamanagement unit, a remote terminal, an equipment management module, an intelligent household gateway, a sensor unit, an electrical household appliance control unit, an identification monitoring unit and an express management unit. According to the system, the express management unit meets requirements of a user on safe express access; the trouble of carrying an article upstairs and the personal safety problem of face-to-face direct door delivery are avoided; the identification monitoring unit facilitates the valid user to enter; at the same time, a voice prompt is used to protect householder privacy; certain psychology attack is achieved for an illegal user; and the household safety is improved. At the same time, the user can control the operation of indoor electrical household appliancesremotely in real time through the electrical household appliance control unit, and enjoy convenience and comfort brought by the intelligent household system promptly after coming off duty. The systemis complete in function, convenient to use and high in intelligent degree and controllable degree.

The invention discloses a highway. An unmanned intelligent patrol system comprises an unmanned aerial vehicle flight control system, an LED road condition display screen system, an aerial automatic pile swinging system and a charging pile duty platform that are all cooperatively controlled by an unmanned aerial vehicle data center and a monitoring command center. The system can be used for carrying out patrolling on the expressway in all weather, and has extremely high reliability. The condition of the road surface can be effectively helped to be dredged when an accident occurs on the expressway, and early warning measures can be carried out, so that the occurrence of secondary accidents is prevented, the safety of the personnel property is ensured, and the personal safety of the rescue workers and the police officers is greatly improved.

The invention discloses an intelligent grounding fault handling method for a neutral point connected to the ground via a resistor in the power distribution network, and aims at solving problems in grounding via low resistors of the neutral point in the power distribution network at present. Zero-sequence current transformers of different feed lines detect zero-sequence current values of the feed lines respectively, a line with a single-phase grounding fault is selected, the fault line is delayed according to the zero-sequence current value therein, the offset voltage uN of the neutral point isdetected again after delay time deltaT, and a fault property is determined; If uN>=uQ after deltaT, the fault is determined to be a permanent grounding fault; and if uN<uQ, the fault is determined tobe an instant grounding fault, and the fault is recovered within the time period deltaT. If Imax0 is greater than a limit blowout value, the fault line is cut off immediately without delay.

The invention discloses a wireless intelligent terminal based remote wireless monitoring method for oxygen stations. The remote wireless monitoring method is realized by adopting an intelligent terminal based remote wireless monitoring system for the oxygen stations; the system comprises a client, an application server and a middleware server, as well as a plurality of intelligent terminals, adjusting recording meters and positioning controllers which are distributed on the oxygen stations, wherein the client is connected with the application server through the Internet; the application server is connected with the middleware server through the Internet; the middleware server is wireless connection with the intelligent terminals of the oxygen stations respectively; the intelligent terminals of the oxygen stations are connected with the adjusting recording meters and the positioning controllers through connecting wires respectively. The remote wireless monitoring method aims at cost reduction, efficiency increase, environmental protection and energy conservation, and is more complete in functions, more humanized and more diversified.

The invention provides an electric type fixture capable of achieving distance adjustment. The electric type fixture comprises a support, a fixed clamping plate, a sliding rail, a servo motor, a threaded rod, a supporting plate, a bearing, a moving clamping plate, cushion pads and a power switch, wherein the fixed clamping plate is installed on the left side of the upper end of the support, the sliding rail is installed on the right side of the upper end of the support, the servo motor is installed on the upper portion of the left side of the support, the threaded rod is fixedly connected to the outer side of the left end of the servo motor, the supporting plate is connected to the outer side of the middle of the threaded rod in a sleeving manner, the bearing is installed inside a groove, the moving clamping plate is fixedly connected to the left end of the threaded rod, and the power switch is installed on the outer side of the right end of the support. The servo motor is arranged, the distance between the two clamping plates can be adjusted in an electric manner, and the personal safety problem caused by manual adjustment is avoided; universal wheels are arranged, and therefore the fixture can be moved rapidly, and the flexibility of the fixture is improved; and the cushion pads are arranged, and therefore a clamped object can be protected from being damaged due to high-strength squeezing of the fixture.

The invention provides a differential transmission system of a full-time eight-wheel drive vehicle. The differential transmission system comprises one existing one-input two-output transfer case assembly and two one-input two-output transfer case assemblies, wherein the authenticated publication patent number of the one-input two-output transfer case assemblies is CN2911332 and the one-input two-output transfer case assemblies are manufactured by a full-time four-wheel differential transmission device; a transmission box of the vehicle is in transmission connection with one one-input two-output transfer case assembly; the two output ends of the one-input two-output transfer case assembly are respectively connected with one one-input four-output differential transfer case assembly between a first axle and a second axle and a one-input four-output differential transfer case assembly between a third axle and a fourth axle; the one-input four-output differential transfer case assembly between the first axle and the second axle drives four wheels of the first axle and the second axle; and the one-input four-output differential transfer case assembly between the third axle and the fourth axle drives four wheels of the third axle and the fourth axle. The differential transmission system provided by the invention is a pure-mechanical structure and can enable the eight-wheel drive vehicle to maintain a full-time all-wheel drive state all the time at any speed.

The invention discloses a municipal pipe network slit-eliminating robot based on a BP neural network and a working method. The municipal pipe network slit-eliminating robot comprises a robot body, wherein tires are arranged at the bottom of the robot body, a battery pack, a BP calculation module and a motor set are arranged on the robot body, a storage bin is arranged in the robot body, the front of the robot body is an inclined plane, sliding rail tracks are arranged at the two sides of the inclined plane, a scraper knife and a slit sucking roller which can slide on the sliding rail tracks are arranged at the front part of the robot body, an infrared detector is arranged at the front part of the robot body, the infrared detector is connected with the BP calculation module, and the BP calculation module is connected with the slit sucking roller and the scraper knife by virtue of the motor set. The municipal pipe network dredging robot is smaller in structure and can enter a narrow municipal pipe network to eliminate slit, so that the personal safety problem of artificial slit eliminating is solved, a worker can be avoided from being exposed to a traffic lane for a long time, self security coefficients of the worker are greatly improved, and the problem that slit of the pipe network can not be thoroughly eliminated by using a large-scale high pressure washing vehicle is solved.

The invention discloses an automobile-safety-airbag control method. The automobile-safety-airbag control method includes the steps that position information of a target person on an automobile seat isobtained in real time, wherein the position information comprises the real-time-moving direction and position of the target person relative to the automobile seat; an instruction of popping up an safety airbag is received; according to the position information, a popup orientation corresponding to the safety airbag is determined; the safety airbag is controlled to be popped up according to the popup orientation. According to the automobile-safety-airbag control method, the effectiveness of the safety airbag can be improved to a great degree, injuries to passengers' bodies when traffic collision accidents occur are reduced, and life safety is guaranteed. The invention also discloses an automobile-safety-airbag control device and equipment and a computer readable storage medium, and the automobile-safety-airbag control device and equipment and the computer readable storage medium have the advantages.

The embodiment of the invention discloses a vertical well detection method and a system. The vertical well detection method comprises that: an inspection track generated by landmark information basedon a geographic target of a drone inspection is acquired; the drone flies according to the inspection track; and the drone collects an inspection target state information of an inspection target in the vertical well during the flight, wherein the inspection target state information of the inspection target is used for detecting the inspection target.

The invention discloses a crustal inclination measurement device and method adopting a force balance feedback quartz horizontal pendulum. The crustal inclination measurement device comprises a bottom plate, wherein a tower-shaped quartz rack is fixed on the bottom plate. A quartz pendulum rod is suspended on the rack through two quartz suspension springs, and is at an approximately horizontal state. A pendulum bob is inserted and mounted at one end of the pendulum rod, and first and second parallel metal plates are respectively arranged on the two sides of the vertically arranged pendulum bob. The pendulum bob is parallel with the first and second parallel metal plates, so as to form a differential plate capacitor, wherein the pendulum bob serves as a moving plate, and the first and second parallel metal plates serve as static plates. The first and second parallel metal plates are connected with output terminals of a fixed direct current voltage generation unit and a sine waveform generation unit; the pendulum bob is connected with the input terminal of a crustal inclination measurement circuit; the output terminal of the crustal inclination measurement circuit is connected with the pendulum bob through a feedback unit. The crustal inclination measurement device can realize accurate measurement of crustal inclination angle when small inclination of the ground occurs, and a closed-loop feedback structure is constructed to solves problems in the existing quartz horizontal pendulum clinometers.

The invention discloses a heavy-duty rack. The heavy-duty rack comprises a fixed base, a vertical column, five-teeth hanging pieces and a cross beam, wherein the fixed base is provided with through holes; the vertical column is provided with trapezoidal hook through holes and first inserting pin through holes; the five-teeth hanging pieces are fixedly connected with the cross beam and are provided with hanging teeth and the second inserting pin through holes; and the fixed base, the vertical column and the five-teeth hanging pieces are connected by the trapezoidal hook through holes, the first inserting pin through holes, the hanging teeth and the second inserting pin through holes. The heavy-duty rack disclosed by the invention has the advantages that the designed structure is reasonable, the material is saved, the problem of personal safety of working staff and the problems of disassembly and carrying and the problem of low carrying capacity are solved, not only is the service life of the heavy-duty rack prolonged, but also the investment of the fund cost of an enterprise is reduced; and simultaneously, the operation is simple, the production cost is low and the promotion is easy.

The invention provides a multifunctional milling fixture and a milling machine using the functional milling fixture. The milling fixture consists of a fixing part, a clamping part connected with one end of the fixing part and a screw rod screwed on the clamping part, wherein the fixing part is cylindrical and is provided with a connecting surface formed by a circumferential surface; the clamping part is shaped as a long strip and is provided with a jointing surface and an open surface which are located at the two ends of a longitudinal length direction, and a clamping surface and a locking surface which are located between the jointing surface and the open surface and are adjoined, wherein the jointing surface is fit and connected with the connecting surface, the clamping surface is depressed along the length direction of the clamping part to form a clamping groove, the upper part of the clamping groove is wide and the lower part of the clamping groove is narrow; the part, penetrating through the locking surface, of the screw rod stretches into the clamping groove. The multifunctional milling fixture and the milling machine using the multifunctional milling fixture have the beneficial effects that the machining efficiency is high, the structure is simple, the use is facilitated, the clamping reliability and stability are high, front and back surface machining can be conducted after only one step of clamping and radian needed by a workpiece can be machined. The milling fixture can satisfy the demand of 360-degree rotary machining of T-shaped, L-shaped, trapezoidal and flat parts.

The invention discloses a self-stabilization control method and system for a tower crane. The system comprises a cab installed on a tower body, and a main control box and a course sensor are installed in the cab; a suspension arm trolley is installed on a suspension arm, an inertia measurement unit is installed in the suspension arm trolley, and a camera facing the lifting hook is installed on the lower portion of the suspension arm trolley; wherein the camera acquires an image of an object on a lifting hook in real time and sends the image to the main control box, the inertial measurement unit acquires acceleration, speed and position information of the suspension arm trolley in real time and sends the information to the main control box, and the course sensor acquires angular acceleration, angular speed and angle of rotation of the tower crane in real time and sends the angular acceleration, angular speed and angle to the main control box; and the main control box analyzes the real-time position of the object according to the object image, controls the movement of the suspension arm trolley and the suspension arm according to the deviation of the real-time position of the object from the preset range, so that the real-time position of the object is within the preset range. When the object deviates from the preset range, the hoisted object is quickly stabilized, so that the possible personal safety problem of constructors and the possible overturning problem of the tower crane are prevented.

The invention discloses a movable sling for mounting an expansion joint of a comb plate. The movable sling mainly comprises a sling framework and transmission parts such as a lifting hook, a winch, a fastening inhaul cable, a movable inhaul cable, a fixed pulley and a universal wheel serving as finished products, wherein the sling framework consists of a weighting bracing plate, a support arm, a support upright column, a suspension arm, a rear arm, a reinforcing pipe and a fastening member; the movable sling is driven by power and is mechanically lifted to construct. The movable sling is driven by the power and is lifted mechanically so as to efficiently convey the comb plate in a time-saving and labor-saving mode; the comb plate is lifted by the sling and is manually positioned, so that each splicing plate block is positioned accurately; the personal safety problem caused by manually carrying can be avoided by adopting mechanical lifting; a minitype crane can be replaced by the movable sling, so that the economic cost is saved to a large extent; and the movable sling is simple, light and small in size.

The invention relates to a banana picking assist device which mainly comprises a bracket assembly, a banana core cutting assembly and a banana supporting and hanging assembly. The banana picking assist device integrates a banana core cutting function and a banana supporting and holding function, and is simple in structure and convenient to operate; one man operates; the efficiency is improved; the manpower is saved; and personal injuries of a worker are reduced.

A blasting construction site inspection tour executing device is characterized in that the device comprises a monitoring module and an inspection tour executing module, the inspection tour executing module comprises an unmanned aerial vehicle, a camera and a wireless transmitter, the wireless transmitter and the camera are installed on the unmanned aerial vehicle, and the camera is connected withthe wireless transmitter; the monitoring module comprises a wireless receiver, an information processor and a monitor, and the wireless receiver is connected with the information processor; and the information processor is connected with the monitor. The unmanned aerial vehicle is used for executing an inspection tour on a site, the personal safety problem generated when an operator enters the site to execute the inspection tour after a blast is solved, the operator can execute the inspection tour on the blasting construction site at a safe distance, corresponding inspection tour records can be stored through a data storage device, and following blasting effect evaluation and accident reason analysis are convenient. In addition, the device is not limited to the construction site, can be repeatedly used and can be used and popularized in all blasting engineering.

The invention discloses a toughening furnace for manufacturing tempered glass. The toughening furnace comprises a conveying mechanism, a heating chamber and a cooling chamber. The heating chamber is located between the conveying mechanism and the cooling chamber. The conveying mechanism comprises a conveying table and a lifting and fetching mechanism. The lifting and fetching mechanism comprises a lifting column, a telescopic arm and a grabbing clamp. A movable rail is arranged on the lifting column and internally connected with the telescopic arm. The grabbing clamp is fixed to the telescopic arm. Heating ring frames are arranged in the heating chamber. Heating wires are wound around the heating ring frames. A ceramic roller bed is arranged in the heating chamber and penetrates through the heating ring frames. The heating ring frames are connected through a heating transverse frame. A material outlet is connected with the cooling chamber which is internally provided with a ventilating pipeline. Cooling fans are arranged on the two sides in the cooling chamber. A thermal insulation layer is arranged on the inner layer of the cooling chamber. The toughening furnace is high in practicability, the stability of the toughening furnace is improved during work, the toughening effect of the toughening furnace is ensured as well, the toughening furnace is convenient to operate and remarkable in effect in the whole process, and work efficiency is improved.

The invention belongs to the field of accessories of engraving machines and particularly relates to a safeguard device of an engraving machine. The safeguard device comprises a host workbench for fixing machined materials, a coordinate slipping assembly and a safeguard assembly, wherein the coordinate slipping assembly is arranged above the host workbench and used for driving the engraving machine to take space actions; the safeguard assembly comprises an anti-collision portion which is positioned on the coordinate slipping assembly, extends towards the end face where the action direction of the anti-collision slipping assembly is located, protrudes the corresponding end face, and can take reciprocating displacement actions along the action direction; and the safeguard assembly further comprises an inducting portion which induces the displacement of the anti-collision portion and takes corresponding start and / or stop actions. According to the safeguard device, the whole structure is simple, the operation is reliable and safe, and the possible security problems caused by the fact that staff stand beside or are extremely close to the host workbench can be solved effectively.

The present invention relates to a special tool for rapid winding of an aluminum armor tape, and especially relates to new construction or reconstruction of dual-serial work of a transmission line ofan electric system, belonging to the technical field of a transmission line maintenance tools. The special tool comprises a hand holding portion A and a tapered arc tip body C clamped on a wire, the hand holding portion A and the tapered arc tip body C are combined into an integration structure through an intermediate connection mechanism B, one surface of the tapered arc tip body C being in contact with a wire is designed to an arc shape, the top portion of the tapered arc tip body C is provided with an upper opening fixed mechanism configured to penetrate an aluminum armor tape D and capableof preventing the aluminum armor tape from separating from the tapered arc tip body C, the intermediate connection mechanism B is provided with a lower opening fixed mechanism configured to penetratethe aluminum armor tape D and capable of preventing the aluminum armor tape D from separating from the intermediate connection mechanism B, and the upper opening fixed mechanism is staggered with thelower opening fixed mechanism in position. The special tool for rapid winding of an aluminum armor tape is simple in structure and convenient to carry, can effectively reduce the working efficiency,can reduce the labor intensity, and is consistent in winding tightness and uniform in arrangement.

The invention discloses a method for designing an oxygen supply space-containing transverse channel of a high-altitude railway tunnel. The method comprises the following steps: S1, arranging the oxygen supply space-containing transverse channel between two main tunnels to communicate the two main tunnels, wherein the oxygen supply space is arranged at the middle position of the transverse channel, a protective door is arranged at the joint of the transverse channel and the main tunnels, and the oxygen supply space-containing transverse channel comprises a protective door connected with an entrance of the main tunnel, a gentle slope section of the transverse channel and the oxygen supply space of the transverse channel; S2, obtaining tunnel construction parameters, tunnel passing train parameters and train personnel parameters; S3, establishing a space transverse channel personnel evacuation dynamic model and obtaining a model structure calculation formula; and S4, based on the type of the high-altitude tunnel, designing the oxygen supply space-containing transverse channel structure according to the model calculation formula obtained in the step S3. By the adoption of the technical scheme, the personal safety problem caused by the severe high-altitude tunnel environment during personnel evacuation can be solved.

The invention discloses copper rod processing equipment, and relates to the technical field of copper rod production. The copper rod processing equipment comprises a shell, wherein a first hydraulic rod is fixedly connected to one surface of the shell; a first block is fixedly connected to one end of the first hydraulic rod; a semicircular penetrating hole is formed in one surface of the first block; a cleaning cover is fixedly connected to one surface of the semicircular penetrating hole; one end of an output shaft of a first motor penetrates through a cavity and extends to the outer side ofthe cavity; and a plurality of cleaning blades are fixedly connected to one end, which is located on the outer side of the cavity, of the output shaft of the first motor. According to the copper rod processing equipment, the surface of a copper rod which is cut is cleaned by a cleaning cover device so as to remove dust or attached copper scraps from the surface of the copper rod, so that the attractive appearance and the quality of the copper rod cannot be influenced by more dust or attached copper scraps on the surface of the copper rod; an integral sealing structure is adopted, so that copper scraps generated by cutting of a cutting knife which rotates at high speed are prevented from splattering everywhere so as not to pollute the environment or cause personal injury to operators.

Provided is an electric fixture comprising a bracket, a fixed splint, a slide rail, a servo motor, a threaded rod, a support plate, a bearing, a moving splint, a cushion and a power switch. The electric fixture is characterized in that the fixed splint is mounted on the left side of the upper end of the bracket, while the slide rail is mounted on the right side of the upper end of the bracket; theservo motor is installed above the left side the bracket; the threaded rod with the outer side of the middle portion sleeved with the support plate is fixedly connected to the outer side of the leftend of the servo motor; the bearing is mounted inside a groove; the moving splint is fixedly connected to the left end of the threaded rod; the power switch is mounted on the outer side of the left end of the bracket. The electric fixture has the advantages of electrically adjusting the distance between the two splints and avoiding personal safety problems caused by manual adjustment with the arrangement of the servo motor, quickly moving the electric fixture and increasing the flexibility of the electric fixture with the arrangement of a universal wheel, and protecting objects to be clamped from being crushed and damaged by the high strength of the fixture with the arrangement of the cushion.

The invention belongs to the field of smoke preventing and dust falling in fire fighting, and particularly relates to a water mist curtain spray head. The water mist curtain spray head comprises a first nozzle which is downwards arranged in the spray direction; a transition part is arranged between the first nozzle and an outer water pipe and is used for communicating the first nozzle with the outer water pipe. The water mist curtain spray head further comprises at least one second nozzle which is used for horizontally spraying to the left and / or the right; and the second nozzle is arranged by communicating with the outer water pipe through the transition part. By adopting the water mist curtain spray head, the problem that conventional structure brings a dead angle in spray can be effectively solved, and another problem that conventional single-nozzle structure causes fast sinking of the upper mist layer to influence personal safety can be avoided; and the water mist curtain spray head is high in safety, and reliable and stable in work.

The invention provides an exterior wall grinding robot. The exterior wall grinding robot comprises a vertical climbing frame. A plurality of guide rail units are arranged in the climbing frame in parallel. Each guide rail unit comprises an upper guide rail and a lower guide rail which are horizontally fixed in parallel in an up-down mode, A robot doing horizontal reciprocating movement along the guide rail units is arranged between the upper guide rails and the lower guide rails. A grinding mechanism moving in the X-axis, Y-axis and Z-axis directions is mounted in the robot. The robot is usedfor replacing manual operation. The problem of labor cost is solved. Moreover, the problem of personal safety possibly caused by aloft work is solved. The problem of working efficiency caused by the large grinding area and alternate construction through manual operation and the climbing frame is solved. The grinding mechanism of the exterior wall grinding robot is provided with a dust suction mechanism, and the problem of pollution to the environment is also solved.

The invention discloses a dynamic ozone sterilizing machine for traditional Chinese medicine powder. The sterilizing machine comprises a vacuum pump unit, a compressed air storage tank, a sealed material feeding hopper, a vacuum material charging machine and an air flow mixing tank, wherein the compressed air storage tank is connected with an ozone generator, a filter is arranged in the vacuum material charging machine, and the vacuum material charging machine is connected with the air flow mixing tank; a vacuum switch is arranged at the top part of the vacuum material charging machine, and tee butterfly valves are mounted on both sides of the vacuum material charging machine; an air supply opening I, a circulating material discharge opening and a main material discharge opening are formed in the air flow mixing tank, and an air supply opening II is formed in the circulating material discharge opening; an umbrella cone is mounted at the top part in the air flow mixing tank; the vacuum pump unit is connected with the vacuum switch, the compressed air storage tank is connected with the air supply opening I, the air supply opening II, and an air supply opening of the sealed material feeding hopper, a material discharge opening of the sealed material feeding hopper is connected with the feeding material openings of the tee butterfly valves, and material discharge openings of the tee butterfly valves are connected with the circulating material discharge opening. Compared with the prior art, the sterilizing machine disclosed by the invention has the advantages that the materials are circulated in a dynamic manner, and the sterilizing effect is good; the working efficiency is high; the personal safety can be ensured.

The invention provides an airport baggage conveying device, and belongs to the technical fields of design and manufacture. A bottom plate is an n-shaped component of which the front portion is provided with an opening, an output shaft of each wheel motor is fixed to a driving wheel through a flange coupler, and legs of two herringbone brackets are fixed to the upper surface of the left side and the upper surface of the right side of the bottom plate respectively; a disc type lifting mechanism is composed of two symmetrical discs and connecting parts-polished rods thereof, a central shaft is arranged at the circle centers of the discs, the two ends of the central shaft are fixed to the top of the left herringbone bracket and the top of the right herringbone bracket through bearing pedestals, five polished rods are evenly distributed and fixed between the two discs along the circumference, and a gripper is fixedly connected to the middle of each polished rod in a matched mode through anear loop of a connecting base and a bearing; a small gear connected with an output shaft of a rotating motor is arranged on the side face of the left herringbone bracket, and the small gear meshes with a large gear arranged at the end of the central shaft; the right herringbone bracket is provided with a ratchet wheel self-locking mechanism; and a cross beam of the bottom plate is provided with apositioning controlling and vision sensing device. The airport baggage conveying device is mainly used for airport baggage conveying.

The invention relates to the field of motor vehicle collision equipment, and discloses an automobile collision warning indicator which comprises a base, a trigger mechanism, a pop-up mechanism, a warning mechanism, a mounting mechanism and a controller, the base is located above an automobile, the trigger mechanism and the controller are located over the base, the pop-up mechanism is located overthe trigger mechanism, the warning mechanism is located at the two sides of the pop-up mechanism, and the mounting mechanism is arranged under the base. According to the automobile collision warning device, a warning display screen is lifted when objects on a vehicle move due to inertia during vehicle collision, and the personal safety problem caused by the fact that people need to walk on a roadto place a warning sign after the vehicle is collided is solved, people do not need to get off to place the warning board after vehicle collision, and the effect of warning surrounding people and vehicles is achieved.