83results about How to "Not restricted by venue" patented technology

The invention belongs to urban railway system vocation education equipment which can realize multi-type failure simulation of a metro passenger car door system and bidirectional communication linkage based on analog simulation software. The analog simulation software can set a failure to an experiment table and also can collect the state of the experiment table to realize structural dismounting, a work principle and an overhauling flow in a three-dimensional manner. The method and the device disclosed by the invention can be used for realizing practical training, checking and scientific researches of the metro passenger car door system. The whole device comprises six parts including a passenger car door assembly experiment table, an integrated array type control and collecting module, an embedded type handheld failure simulation terminal, a handheld failure setting device, a connecting wire, a data conversion connector, a main control computer, and analog simulation and control software. The type of simulated failures comprises an EDCU (Electronic Door Control Unit) failure, short circuit, open circuit, earth connection, deadlock, an intermittent failure, device damages, signal interference and the like. The method and the device can be used for researching a car door clamping force, a bypath door control line and the like.

The invention belongs to the technical field of portable sensor, particularly discloses a portable device and a method oriented for the device for the real-time measuring of step length. The device can measure and transmit the two dimensional posture of the user's lower limbs and the step length information of the user's each step during the walking process of the user in a real time fashion. The device can be used to check the unsymmetrical level of the user's pacing style. The invention applies the real-time data about the angular speed, acceleration collected from four inertial sensor units to calculate and export the user's lower limbs postures and step length through a geometrical algorithm. The device has the advantages of convenient use, absence of location restriction, low cost, real-time and precise output of the user's lower limbs postures and step length, high reliability and splendid prospects for future promotion.

The invention discloses a stand-by power source detection method of a wind power generation set variable pitch system. The method comprises steps that: a variable pitch system storage battery set is connected with a PLC (Programmable Logic Controller) in the variable pitch system, the PLC is connected with a host computer; performance parameters of the variable pitch system storage battery set are firstly detected by the host computer, whether the performance parameters of the storage battery set can satisfy use requirements are determined according to a storage battery voltage drop and capacity relation report form, and a single battery having a fault is identified according to a determination result and is changed. The stand-by power source detection method is advantaged in that performance of the storage batteries is determined before hoisting of a blower fan, so timely change is carried out to prevent the storage batteries from being changed soon after hoisting, and power generation capacity loss and manpower cost increase caused by shutdown because of change of the storage batteries are avoided.

The invention belongs to the field of medical apparatuses and instruments, and in particular discloses a gait rehabilitation robot and a method for controlling the gait rehabilitation robot. The method comprises the following steps: according to a wearable sensor system, measuring a two-dimensional lower limb posture of a user in real time during walking, calculating the walking speed of the user, and controlling the operating speed of the robot according to the walking speed. The method is convenient to use and low in cost and is not limited by the site, and the gait rehabilitation robot can well follow the walking speed and gait characteristics of the user, so that the aim of helping the user to walk is achieved, secondary injury to the user can be avoided, and the gait rehabilitation robot has high reliability and excellent popularization prospects.

The invention belongs to the field of wearable sensors, and particularly discloses a novel flexible fabric sensor for measuring human body knee joint movement and a method thereof. The current bending angle, formed when a user walks and does movement training, of the knee joint can be measured and output in real time. Common cloth is combined with conductive yarn, a sensitive unit of the flexible fabric sensor is developed, after the sensor is calibrated through a designed method, bending movement of the knee joint is converted into stretching movement of the flexible fabric sensor through a certain wearing mode, the problem that a rotating shaft moves when the knee joint rotates is effectively solved, and the current bending angle of the knee joint of the user is calculated and output. The flexible fabric sensor is convenient to use, low in cost and capable of being not limited by a field and measuring the bending angle of the knee joint of the user in a comfortable mode in real time and has high reliability and a good popularization prospect.

The invention relates to a device for measuring a flow and a flow velocity of a drainage pipeline synchronously. A water inlet is formed at the upper end of an impact-relief measuring water tank and a small hole is formed at the lower end of the impact-relief measuring water tank; a stabilized voltage supply is used for providing voltage for a differential pressure transducer; the differential pressure transducer is connected with the small hole at the lower end of the impact-relief measuring water tank through a hose and is used for generating a corresponding current according to the change of pressure intensity; an analog / digital (A / D) data acquisition card is used for acquiring the voltage of the two ends of a resistor which is connected with the differential pressure transducer, converting voltage signals into digital signals and sending the digital signals to a computer; a vidicon is used for taking a picture of a reference object moving with water flow in the drainage pipeline and transmitting the taken picture to the computer in real time; and the computer is used for receiving the real-time picture which is transmitted by the vidicon and computing the flow velocity of water in the drainage pipeline through an image acquisition frequency and a displacement distance of the image in each frame, and receiving the digital signals sent by the A / D data acquisition card and computing the flow of water in the drainage pipeline. The invention is applicable for measuring the drainage flow and the drainage flow velocity of the sanitary ware and the horizontal drainage pipeline in a building.

The invention discloses an automobile ground clearance gauge comprising an L-shaped base (1) and a steel scale belt (2). An L-shaped channel (3) through which the steel scale belt (2) can pass is arranged on the L-shaped base (1); the length of the horizontal part of the L-shaped channel (3) is less than that of the horizontal part of the L-shaped base (1); the steel scale belt (2) passes through the L-shaped channel (3) and is bent at the bending point of the L-shaped channel (3); a scale hook (2a) is arranged at the front end of the steel scale belt (2), and a scale pointer (2b) is arranged at the back end of the steel scale belt (2); and a scale layer (4) is arranged on the L-shaped base (1) which is located at the back side of the L-shaped channel (3). The automobile ground clearance gauge disclosed by the invention has the characteristics of simple structure, low cost, easiness in operation, high measurement precision, no field limitation, and the like.

The invention relates to a wearable elbow joint rehabilitation robot device, wherein an upper arm bracket is movably connected with a lower arm bracket, such that the lower arm bracket can rotate around a hinge center, the insides of the movable hinge joints of the upper arm bracket and the lower arm bracket are connected with a driving motor and a lithium battery through a spacing bar, the outsides thereof are connected with a driven chain wheel to rotate the lower arm bracket around the hinge joints, the output shafts of the driving motor are provided with a driving chain wheel which is connected with the driven chain wheel through chains to drive the lower arm bracket to perform circling motion around the hinge center, the driving motor is arranged outside the upper arm bracket and the lower arm bracket to enlarge the motion range of the elbow joint and balance the weights of the upper and lower arms of the patient. The wearable elbow joint rehabilitation robot device has the advantages of simple structure, small size and portability, only the lithium battery is charged, the robot device can be used for training at any time and place without restriction and has multiple control manners and training modes. The robot device can be used for passive training and active training under electromyographic control, muscle force is easily trained only by clicking the mobile phone touch screen or the voice control.

The invention discloses a method for tracing and identifying charcoal based on a spectrum technology, which comprises the following steps of: (1) building a charcoal modeling spectrum library; (2) carrying out principal component analysis for the charcoal modeling spectrum library, and taking the front three principal components according to the variance contribution rate of principal components; (3) calculating a three-dimensional central coordinate of the charcoal variety according to the score values of the front three principal components; (4) scanning the spectrum of a sample to be identified; (5) carrying out principal component analysis for the spectrum of the sample to be identified, extracting the front three principal components and calculating the mahalanobis distances between the front three principal components and the central coordinates of the varieties according to the variance contribution rate of the principal components; and (6) classifying the sample to be identified to the corresponding charcoal varieties according to the minimal mahalanobis distance between the sample to be identified and the central coordinate of each variety, thereby finishing the identifying and tracing of the charcoal. The invention belongs to a method for monitoring machine learning, achieves the aim of quickly tracing and identifying the charcoal through the optical indirect testing and numerical value processing ways, so that the method can be applied to the laboratories or the job sites.

The invention discloses a vehicle-mounted retractable device of a fixed wing unmanned aerial vehicle. The device comprises a recycling unit and a flying unit, wherein the recycling unit comprises a base, two fork-shaped rails and a lock hook; and the flying unit comprises a winch, a cable, an electronic hook and a remote control. According to the invention, the structure is simple; and a recycling function and a flying function of the fixed wing unmanned aerial vehicle could be achieved.

The invention relates to a one-step molding method of a vase-shaped columnar pier for a urban viaduct bridges, comprising the following steps of: embedding reinforcing ribs (5) according to the height of a mortar template (6) before pouring concrete in a bearing platform (4); building the mortar template on the bearing platform (4), coating wrapping the reinforcing ribs (5) in the mortar template and then placing a pier steel mould (7) on the mortar template after the bearing platform (4) and the mortar template (6) reach the strength of 5MPa; in the process of pouring the concrete to the pier steel mould, and when pouring the concrete to the position 0.8-1.2 meters far away from the pier top, starting to install a pier top reinforcing rib net (8), and then continuously pouring the concrete; finally to finish accomplishing the one-step molding construction of the pier. The invention avoids the defects generated by two-step pouring in the traditional method and has the advantages of simple and convenient construction, safety and reliability, rapid construction and low expense.

The invention belongs to the field of medical apparatus and instruments, and particularly discloses a gait rehabilitation training robot and a force feedback control method for the robot. A three-dimensional force sensor is arranged on the gait rehabilitation training robot, can measure an acting force between a user and the gait rehabilitation training robot while the user walks in real time, and uses the acting force to perform feedback adjustment on motion of gait rehabilitation training robot. The force feedback control method is easy to use, is not limited by places, is low in cost, can allow the gait rehabilitation training robot to follow the walking speed of the user and output enough traction force so as to help the user walk, can avoid secondary damage to the user, is high in reliability, and has good promotion prospect.

The invention relates to a device for replacing a main material of a transmission tower. The transmission tower comprises a longitudinally arranged tower body and a cross arm transversely arranged on the tower body, wherein the tower body is provided with a tower main segment for fixing the transmission tower, and the tower main segment is formed by two main segment steel angles which are oppositely arranged and is rolled steel with a cross-shaped section. The replacing device comprises a middle structure section. The device for replacing the main material of the transmission tower can be used for replacing a damaged main material of the tower and has the advantages of construction simplicity, transportation convenience and no site limitation.

The invention discloses an edible oil detecting device, which comprises a bracket, a motor arranged on the bracket, an oil containing box, a temperature controlled heating device, an oil fume sensor, a grease density sensor, a conductivity sensor, and a PLC (Programmable Logic Controller) with a display, wherein the oil containing box is connected to a rotary shaft of the motor cooperatively, theoil containing box is in a funnel shape, the center of the oil containing box is lower than the edge of the box, and the mouth edge of the oil containing box is provided with a grease outlet hole andis matched with a box cover; the temperature controlled heating device is connected to the bracket in a positioning mode and is positioned under the oil containing box; the oil fume sensor is arranged on the box cover of the oil containing box; and the grease density sensor and the conductivity sensor are both arranged on the bracket, and the sensing heads of the grease density sensor and the conductivity sensor face the grease outlet hole. Used oil products can be effectively detected by the device, and the quality of other oil products can also be detected; and the device has high sensitivity and high precision, is easy to operate in detection and is not limited by sites.

The invention discloses a method for synthetizing solid fuel by mixing house refuse with fire coal, which comprises the following steps of: separating metal from recycled house refuse and then crushing; then stirring the crushed house refuse together with crushed fire coal and yellow clay powder; profiling in a rolling type molding press after evenly stirring; when 5 to 6cm of ball-shaped material is profiled, entering a dryer for drying; when the drying effect is completely reached, placing the dried ball-shaped material in a crocodile breaker and then breaking into 1 to 2cm of grain bulk material, thereby producing the solid fuel. The method has the advantage that the house refuse treatment is more perfect, and the prepared solid fuel has easy storage, no secondary pollution and simple preparation process, and the house refuse can be effectively utilized, thereby saving energy resources.

The invention discloses a protection warning method and system for a frequency converter equipped with multiple motors. According to the protection warning method, the current signal among the frequency converter and the motors is detected, an alarm signal is sent out when overcurrent, default phase or three-phase imbalance occur. By adoption of the protection warning method and system, abnormal faults can be found in time, and the fault motors can be effectively determined.

The miniature cutting and sunning machine for cutting rice and wheat has a cutter, which includes upper and lower sawteeth blades driven by the power machine to reciprocate linearly and features the composite saw teeth comprising large saw teeth and small saw teeth in the blades; a power machine supported on the tracks; and a frame with bottom sliding plate for easy moving in field. The miniature cutting and sunning machine is used for semi-automatic cutting and sunning, and has the advantages of high efficiency, easy operation, wide use, light weight and low cost. Furthermore, the cutter and the power machine may be separated from the frame for mowing and cutting flowers.

The invention disclosure relates to a vehicle-mounted battery rack and a vehicle. The vehicle-mounted battery rack comprises a battery pack mounting support, a stretchable structure and a walking unit; the battery pack mounting support is used for fixing the battery pack, the battery pack mounting support is detachably connected to the vehicle, and the walking unit is connected with the battery pack mounting support through the stretchable structure. The battery pack and the battery pack mounting support are commonly fixed to the bottom of the vehicle, when a battery needs to be replaced, thestretchable structure is unfolded, so that the walking unit can be supported on the ground, then the connection between the battery pack mounting support and the bottom of the vehicle is relieved, andthe vehicle-mounted battery rack is integrally removed from the bottom of the vehicle through the walking unit; then the battery pack mounting support provided with the battery pack with sufficient electric energy is moved into the bottom of the vehicle through the walking unit, and the battery pack mounting support is mounted at the bottom of the vehicle, so that the stretchable structure is contracted. Therefore, quick disassembly and quick installation of the battery pack are realized, and quick replacement of the battery pack is realized.

The invention relates to a slag scraping and breaking device for a steel ladle. The slag scraping and breaking device comprises a body and a hanger. The upper portion of the body is a quadrangular frustum pyramid; the lower portion of the body is an inverted cone frustum; at least two scrapers are arranged on each of the four side faces of the quadrangular frustum pyramid; and operating holes are formed in the upper portions of all the side faces. The hanger is composed of a connector, a sling and a hanging ring, wherein the connector is connected with a hanging rod on the quadrangular frustum pyramid of the body through a pin shaft. An application method of the slag scraping and breaking device comprises the steps that (1) when pot edge steel slag is processed, the upper edges of the scrapers are aligned at the pot edge steel slag; (2) when pot inner wall steel slag is processed, the outer edges of the scrapers are aligned at the pot inner wall steel slag; and (3) when pot bottom layer bonding slag is processed, a slag crust is broken under the gravity action. Compared with the prior art, the slag scraping and breaking device has the beneficial effects that (1) the problem of slag scraping and breaking of an opening, the inside and the bottom of a steel ladle pot can be solved, and the device is not limited by sites; (2) the structure is simple, manufacturing is convenient, and operation is flexible and convenient; and (3) the slag cleaning effect is good, the efficiency is high, smooth production is guaranteed, and the labor intensity of workers is lowered.

The invention discloses an evaluation method, device and system for an unmanned system cluster and a storage medium. The evaluation method comprises the following steps: constructing a virtual test environment corresponding to an actual test environment according to a virtual-real scene mapping technology; mapping the actual unmanned system into a virtual test environment to generate a virtual unmanned system; according to the test scenario and the virtual-real combination technology, the virtual test environment is expanded and then combined with the actual test environment to generate a virtual-real combination test environment, and the virtual-real combination test environment comprises the actual test environment and a plurality of virtual test environments; in a virtual-real combination test environment, the virtual unmanned system is expanded according to a test scenario and then is combined with the actual unmanned system to generate an unmanned system cluster; and testing according to the virtuality and reality combined testing environment and the unmanned system cluster to generate an evaluation result. By implementing the method and the device, complex and diversified test environments and various types of unmanned system cluster modes can be constructed according to different test requirements, so that the unmanned system cluster can be tested more conveniently.

The invention discloses a multifunctional integration device capable of riveting a conical cabin section. The multifunctional integration device comprises an n-shaped balance stand, inner-outer-ring guide rails, balancers and semi-automatic riveting tools. The inner-outer-ring guide rails are hung in the air at the top of the n-shaped balance stand, the semi-automatic riveting tools are connectedwith the inner-outer-ring guide rails through the balancers, and the balancers and the semi-automatic riveting tools can be moved or suspended within the range of 180 degrees along tracks of the inner-outer-ring guide rails. The multifunctional integration device is a cabin section riveting man-machine cooperation device which integrates various semi-automatic tools, can reach multiple degrees offreedom, and is convenient to operate, the standard operation improvement requirement of an assembly line is met, production and organization management is facilitated, the production efficiency is improved, and the demonstration performance is good.

The invention provides a mobile energy storage charging pile system which comprises an AC terminal, a mobile energy storage charging unit and a high-voltage power battery unit. The mobile energy storage charging unit further comprises an AC / DC conversion unit, a DC / DC conversion unit, a first bus, a first bus switching unit, a second bus, a second bus switching unit, an energy storage battery unit, an energy storage bus and a controller. The controller is connected with the AC / DC conversion unit, the DC / DC conversion unit, the first bus switching unit and the second bus switching unit, and controls the AC / DC conversion unit, the DC / DC conversion unit, the first bus switching unit and the second bus switching unit to work. The mobile energy storage charging pile system has the advantages of being convenient to move, small in energy loss and high in conversion efficiency.

The invention relates to a multi-information acquisition monitoring system in the robot welding process. The multi-information acquisition monitoring system in the robot welding process comprises a robot control cabinet, a welding vision sensing unit, a welding current and voltage sensing unit, a wireless data acquisition unit, a wireless router, a main control computer with a wireless network card, a slave computer with a wireless network card and a pulsed MAG welding power supply. Compared with the prior art, welding voltage and current data are acquired in a wireless mode, an integrated vision sensing system is monitored to extract weld length and weld width data, multiple sensing data in the welding process are acquired, processed and stored through developed matched software in real time, the welding quality is diagnosed and predicted in real time, and the welding process data can be remotely and wirelessly accessed through a built wireless local area network. The multi-information acquisition monitoring system in the robot welding process is suitable for multiple types of welding robots and welding power supplies and can achieve wireless network remote monitoring and real-time controlling on a large-scale multi-robot welding and manufacturing production line, then the manufacturing and welding quality and the production efficiency are improved, and the great technologicalprogress significance is achieved.

The invention relates to a solar energy storing and electricity generating sodium-sulfur cell which consists of a photothermal collection system, a photoelectric and thermoelectric conversion system and an energy storing and electricity generating system and is characterized in that a universal lens (1), a focusing ball (2) and a photothermal collector (8) are connected on a case; an optical fiber sensor (5) is connected with a photoelectric converter (12) in the case; a heat pipe (3) is respectively connected with a thermoelectric converter (13) and a heating tank (14); a sodium-sulfur cell (15) is connected in the heating tank (14); a lead (6) is connected with each epitaxial electrode (7) to the output of a rectifier (10); and an external network interface (4) is arranged outside the case (9) and is used as an emergency charging port. The invention has the characteristics that solar energy optothermal not only can be used for generating electricity but also can be used for insulating the heating tank, thereby fully performing the functions of the sodium-sulfur cell. The sodium-sulfur cell has the characteristics of large energy and power density, quick charging time, high charging and discharging efficiency, long service life, no pollution of raw materials of cells, no limitation of fields, convenient maintenance and the like, so the sodium-sulfur cell can be used as an advanced energy storing and electricity generating power source to improve the utilization efficiency of the whole power industry; and because a method of supplying a heat source following the sodium-sulfur cell under the moving state is adopted, the sodium-sulfur cell can also be used as a power cell to be applied to all industries.

The invention provides a plum pile provided with a protecting device and used for exercising. The plum pile mainly comprises a bottom plate, braking trundles, a stand column, plum pile bodies, a sliding sleeve, short pipes, cantilever parallel bars and inclined bracing pipes. A plurality of braking trundles are arranged below the bottom plate. The stand column is fixedly connected to the middle of the one end of the bottom plate. The twenty five cylindrical rubber plum pile bodies are fixed to the bottom plate through screws. A center hole is formed in the top of the stand column. The sliding sleeve is arranged at the upper end of the stand column. A screw shaft penetrates through a vertical hole of the sliding sleeve and the center hole of the stand column and is fixed through a jackscrew. One ends of the cantilever parallel bars are fixedly connected with the sliding sleeve, and the other ends of the cantilever parallel bars are free ends. One ends of the two inclined bracing pipes are fixedly connected with the lower portions of the cantilever parallel bars. The other ends of the two inclined bracing pipes are fixedly connected with one ends of the two short pipes, and the other ends of the two short pipes are fixedly connected to the two sides of the sliding sleeve respectively. When a user uses the plum pile for exercising, the plum pile is not limited by a site, when the user is about to fall down in the process of practicing walking on the plum pile, the user holds the cantilever parallel bars with the hands so as to be prevented from falling down and protected, and the safety guarantee can be provided for more people to participate in walking on the plum pile.

The invention discloses a planting method for amomum villousm plants. The method comprises the following steps: arranging a site: selecting a land block with a deep and thick soil layer and fertile soil, arranging a plurality of mutually-parallel longitudinal working paths along the longitudinal direction of the land block, arranging a plurality of mutually-parallel horizontal working paths between each two adjacent longitudinal working paths, forming a planting area between each two adjacent horizontal working paths, and arranging a spraying system around each planting area; planting precioustrees: planting at least one precious tree in each planting area; planting the amomum villousm plants: planting seedlings of the amomum villousm plants under the forest of the precious trees in eachplanting area; and performing forest management: performing disease and pest prevention and control on the seedlings of the amomum villousm plants, performing water and fertilizer management and performing precious tree shading management. The method provided by the invention has the characteristics of ventilation and air permeability, sufficient illumination, typhoon prevention, no limitation onthe site, convenient management and the like, and can greatly increase the yield of fruit amomum villousm and improve the survival rate.

The invention discloses a bulk cargo warehouse of a light structure. The bulk cargo warehouse includes a plurality of steel columns, pulleys, steel wire ropes, tension regulators and dustproof ventilating nets, the steel columns are erected on the ground, the steel columns are arranged in transverse and longitudinal rows, the tops of the steel columns are provided with the pulleys, and one same steel wire rope is wound on the pulleys at the tops of the steel columns in the same transverse row, wherein both ends of the steel wire rope are fixed to the ground; and the tension regulators are installed on the steel wire ropes, the corresponding dustproof ventilating net is installed between the two steel wire ropes on the adjacent two transverse steel columns, each dustproof ventilating net isprovided with two layers of metal nets and an intermediate layer dustproof material, wherein the two layers of metal nets are supported on the upper and lower faces of the intermediate layer dustproof material correspondingly, the dustproof ventilating nets are fixed to the steel wire ropes through buckle pieces, thus the intermediate layer dustproof material is clamped in the two layers of metalnets for fixing, and the side faces of the steel columns in the foremost and backmost transverse rows are closed. According to the bulk cargo warehouse of the light structure, external discharging ofdust can be controlled organically, installation is convenient, site limitation is avoided, wind resistance and shock resistance are achieved, the construction speed is high, construction investmentis 1 / 10 of original investment, and application and promotion are facilitated.

The invention discloses a wiring terminal for measuring and current continuing. The wiring terminal for measuring and current continuing comprises two symmetrical gaskets, a connecting sheet for conducting electricity between the two gaskets, and a control piece for controlling the connecting sheet to move upwards or downwards, wherein the two gaskets are arranged in parallel left and right and are not in contact with each other, each gasket is formed by a diversion copper bar, a front end part vertically arranged at the front end of the diversion copper bar and a cold pressing wiring port arranged at the rear end of the diversion copper bar, the front end parts are in a twisted-flower rush herb shape, the two front end parts symmetrically form sleeving holes with openings, the sleeving holes are adaptive to the screws on a pole column, the ends of wires of a collection device is extended into the cold pressing wiring port and are crimped together, and the connecting sheet is located at the upper portion of the diversion copper bar. The measurement points are fixed, the two wiring terminals are moved upwards on the connecting sheet to allow the two wiring terminals to be switched to a four wire mode when breaking away from the two diversion copper bars, and are moved downwards on the connecting sheet to allow the two wiring terminals to be switched to a two wire mode when being in contact with the two diversion copper bars so as to ensure that the collection points of the four wire mode to be the same point and bear a large current for long time.

The invention discloses a lower supporting device for an automobile bumper. The lower supporting device comprises a height-adjustable supporting rod. A stand bar seat is arranged below the supporting rod which is placed on the ground in the perpendicular direction. The middle portion of the supporting rod is conic and is matched with a pin hole of the bumper. A V-shaped lifting hook is arranged at the edge position of the front end of the supporting rod and connected with the lower end of the bumper. A cylinder locating column is arranged at the rear end of the supporting rod. The axis of the locating column is arranged in the perpendicular direction. Locking holes are formed in the stand bar seat. Multiple reinforcing ribs are arranged on the middle lower portion of the supporting rod and connected with a bumper beam through the locking holes. The automobile bumper is provided with a supporting component, the structure is simple, the bumper is connected with a bottom board of an automobile body, and the purpose that the physical safety of pedestrians is protected is achieved; disassembly and assembly are convenient, the supporting reliability can be guaranteed through a stand bar at the bottom end of the supporting rod, and a jack needs to be used to jack an automobile; and the lower supporting device is simple in structure and is not limited by a site.

The invention provides a method for cultivating immature capsicum seeds and rapidly propagating seedlings. The method comprises the following steps: A) obtaining immature seeds: cutting every washed green capsicum into two halves, taking out the immature seeds, and inoculating with the immature seeds; B) performing germination culturing on the immature seeds: inoculating a seed germination mediumwith the immature seeds, and culturing the immature seeds; C) carrying out primary culturing: inoculating a primary medium with hypocotyls containing growth points, and carrying out culturing until adventitious buds appear; D) subculturing: transferring the adventitious buds to a subculture medium in order to elongate axillary buds; E) carrying out rooting culturing: inoculating a routing medium with explants with the elongated axillary buds, and performing culturing; and F) hardening and transplanting obtained tissue culture seedlings. The culture of the immature seeds adopts an open culturing technology, and inoculation does not need to be carried out on a super clean workbench, so the method is simple and convenient to operate, and is not limited by the site. The method can be combinedwith the propagation of capsicum seedlings to obtain a large number of plants in a short time, so the capsicum germplasm resource creation and new variety breeding cycle is significantly shortened.