65results about How to "Avoid trampling" patented technology

The invention discloses a cuttage breeding method for quickly establishing an alfalfa clone. The cuttage breeding method comprises the following steps: (1) preparing an alfalfa vegetative propagation seedling bed; (2) preparing and sterilizing soil; (3) performing a specific branch cutting operation method; (4) managing cuttage seedlings; (5) transplanting vegetative propagation seedlings; (6) performing filed management after transplanting. According to the cuttage breeding method disclosed by the invention, the problems of being slow in rooting, low in survival rate and the like of alfalfa cuttage breeding can be solved. The method is suitable for quickly and efficiently establishing the cuttage clone, and has the characteristics of being simple to operate, low in cost, quick and efficient, and capable of remarkably shortening the vegetative propagation breeding time and increasing the cuttage breeding survival rate.

The invention discloses a water feeding device suitable for animal husbandry industry in a karst region and a method of using the same. The water feeding device comprises a water tank and a drinking trough, the bottom of the water tank is provided with a water inlet communicated with the drinking trough, an outflow rubber plug movable up and down is arranged in the water inlet, a connecting cord that is connected to the outflow rubber plug is passed around two fixed pulleys disposed on the drinking trough and the water tank and is connected to a first floater, the first floater floats on water in the drinking trough, and the water tank is also connected with a mechanical automatic water supplement device. The outflow rubber plug and the first floater enables mechanical automatic water supplement for the drinking trough, less manual observation is required, no electricity supply is required, energy use is more economical, labor cost is lower, water interruption due to power outage is avoided, water supply is more continuous, the structure is simple, the cost is low, water supplement is more time-saving and labor-saving, and automatic water supplement also allows for saving of water resource; the water feeding device also has the advantages of simple structure, low cost and good convenience in manufacture, use and maintenance.

The invention discloses a sow obstetric table which comprises a base plate (1) and supporting feet (2) arranged on the base plate (1). Two main arch frames (3) dividing the obstetric table into sow chambers are arranged on the base plate (1), piglet chambers defined by fences (4) and the main arch frames (3) are arranged on the base plate (1), front doors (5) are arranged at the front ends of the main arch frames (3), and rear doors (6) are arranged at the rear ends of the main arch frames (3). The sow obstetric table is characterized in that buffer rods (7) are arranged on the main arch frames (3), and the distance between the two main arch frames (3) is 50-80cm. The sow obstetric table is simple in structure and low in cost, the speed that sows lie down can be reduced through the buffer rods arranged on the main arch frames so that the situation that piglets are crushed down to be hurt and even die due to the fact that the sows lie down too forcefully can be prevented, and therefore the sow obstetric table is suitable for popularization and use.

The invention relates to the technical field of irrigation for afforestation of a city, in particular to an intelligent management system for afforestation of a city. The intelligent management systemcomprises a railing placed at the periphery of a tree lawn, a soil moisture detection device, a water spraying device and a server, wherein the soil moisture detection device and the water spraying device are in long-range communication connection with the server; the water spraying device is arranged on the railing; the soil moisture detection device is arranged in the tree lawn, used for collecting soil moisture information, and transmitting the soil moisture information to the server; and the controller is used for controlling the water spraying device to spray water when receiving a triggering electrical signal of a distance sensing module, is also used for receiving a control signal generated by the server according to the soil moisture information through the radio communication module, and is used for controlling the water spraying device to spray water according to the control signal. When being used for watering afforestation plants, the intelligent management system can reduce waste of water resources, and besides, can wash dust on the plant leaves, so that the photosynthesis of the plants can be guaranteed.

The invention discloses a grass protection device and a lawn grass planting method and mainly solves the problems that an existing roadside lawn is easy to trample, the lawn maintenance cost is high and the city beautifying effect is not ideal and the like. The grass protection device comprises a base plate (1) and is characterized in that the base plate is provided with through holes (12) for connecting upper and lower soil layers; fixing pieces (16) for fixing the grass protection device are arranged on at least one edge of the periphery of the base plate (1); the base plate (1) is further provided with conical grass protection beads (13) for preventing trampling; the grass protection beads (13) protrude out of the surface of the base plate (1) and the lower parts of the grass protection beads (13) are fixedly connected with the base plate to form an integrated structure; the upper parts of the grass protection beads (13) are in a circular bead shape or a circular arc shape. The grass protection device is simple in structure, reasonable in design, low in cost and convenient to realize; people are prevented from randomly trampling the lawn, and grass can be effectively protected.

The invention discloses a feeding tank for agriculture and animal husbandry, which comprises a heavy iron base, a limiting tank, a feeding port and a feeding tank, the top of the heavy iron base is fixed with a feeding tank, and one side of the feeding tank is provided with a feeding tank , the bottom end inside the breeding tank is fixed with a cylinder, and one side of the cylinder is provided with a drive handle, the top of the cylinder is equipped with a telescopic rod, and the output end of the telescopic rod is fixed with a movable bottom plate, the bottom of the movable bottom plate There are briquetting blocks fixed at each end, feeding ports are provided at both ends of the top of the fixed top plate, and pulleys are provided at the four corners at the bottom of the breeding tank. The present invention installs a cylinder, a telescopic rod and a movable bottom plate, and a feeding tank is fixed on the movable bottom plate through a spring buffer column, so that the movable bottom plate can be lifted and lowered according to different requirements, such as the size of livestock, thereby changing the height of the feeding tank to This is to satisfy the feeding of livestock of different sizes and shapes.

The present invention relates to soil improvement method, and is especially method for repairing alkali spot soil with furfural slag and Atriplex hortensis. Furfural slag as a kind of acid biomass contains rich organic matter, humic acid, nitrogen fertilizer, phosphate fertilizer, potash fertilizer and trace elements essential for plant to grow and has excellent effect of lowering soil pH value, activating calcium and magnesium salt and improving soil physical and chemical properties. The present invention repairs alkali spot soil through turning over soil, adding furfural slag, banking, leaching, seeding Atriplex hortensis, field management and other steps. The present invention has the advantages of environment friendship, low cost, fast effect, etc.

The invention discloses a vegetable-fertilizer dual-purpose high-efficiency cultivation method for astragalus sinicus in a winter-fallowed paddy field. The method comprises the following steps: a winter fallow field of rice areas in southern China is selected, after single-season rice or late rice is harvested, a mechanical ditching or artificial ditching manner is adopted to dig a surrounding ditch around the field, then a plurality of parallel strip ditches are dug in the surrounding ditch, the strip ditches communicate with the surrounding ditch, from mid-late September to mid-October, 3-4large-leaf type astragalus sinicus varieties of extremely early maturity, early maturity, medium maturity and late maturity in the different growth stages are used, drill seeding is performed, from January to April of a following year, according to growth conditions of different varieties of the astragalus sinicus, young shoots of the astragalus sinicus are sequentially picked to be used as vegetables, the rest remains in the field, and turning pressing is performed in the full-bloom stage to be used as green manure of the paddy field. The method disclosed by the invention takes into consideration the two functions of the vegetable and the green manure of the astragalus sinicus, prolongs a picking period of the astragalus sinicus as the vegetable, reduces labor input in the picking process, improves a yield of the picked fresh astragalus sinicus, fully develops the vegetable function of the astragalus sinicus, increases the added value of the astragalus sinicus as the vegetable, and has the effect of returning the astragalus sinicus to the field to fertilize soil in the paddy field; and the method has the characteristics of convenient operation, labor saving and time saving.

The invention discloses a finished product protecting system and method for the outer bevel of a bevel bare concrete structure. The system comprises an external corner protecting structure, a hard protecting structure and a waterproof structure, wherein the external corner protecting structure comprises an external corner protecting plate and a first positioning component used for fixing the external corner protecting plate at the external corner position of the outer bevel, and a gap exists between the external corner protecting plate and the outer bevel; the hard protecting structure comprises a hard protecting plate and a second positioning component used for fixing the hard protecting plate on the outer bevel, and a gap exists between the hard protecting plate and the outer bevel; the waterproof structure comprises an interceptor plate and a drainage zone, the interceptor plate is arranged at the top of the bevel bare concrete structure in an inserted manner, and the drainage zone is fixed at the top of the outer bevel. The finished product protecting system has the advantages that the external corner protecting plate is arranged at the external corner position of the outer bevel of the bevel bare concrete structure, surface protection of the space external corner formed by the convergence of a bare concrete bevel wall and a bevel plate space can be achieved, the bare concrete at the external corner position is prevented from being polluted by rainwater through contact or being bumped, trampled and the like.

The invention relates to the field of textile fabrics, in particular to an antibacterial health care socks fabric, which can store antibacterial drugs and has good antibacterial and health care effects. Its structure includes the bamboo charcoal fiber layer at the bottom, the bamboo charcoal fiber layer is provided with a hollow cavity, the bottom of the hollow cavity is provided with a number of micropores, and the two sides of the hollow cavity are respectively provided with zipper openings; the hollow cavity A number of supporting blocks are arranged in the body; a polyester fabric layer is arranged on the hollow cavity body, and a chitin fiber layer is arranged on the polyester fabric layer. The utility model has the advantages of simple structure and convenient use, and is suitable for making socks of various styles.

The invention relates to the technical field of laying hens breeding equipment, and discloses healthy breeding equipment for laying hens. The healthy breeding equipment for laying hens comprises a net cage and the net cage comprises a cage wall, a cage bottom and a cage top, the cage wall, the cage bottom and the cage top are all reticular and the middle of the net cage is provided with an automatic feeding device, the automatic feeding device is connected with the cage top in an embedded mode, the cage bottom is tilted to a corner, the lowest angle of the cage bottom is provided with an egg falling outlet, an automatic sealing plate is installed on the egg falling outlet and provided with a gravity sensor, an egg collection tank is installed below the egg falling outlet, the cage top is provided with an ultraviolet germicidal lamp and a draught fan on the top of the cage top, a protection cover is arranged on the outside of the draught fan, a dirt plate is arranged under the net cage and connected with the net cage by the mutually matched sliding rails. The healthy breeding equipment for laying hens has the functions of disinfection, sterilization and dehumidification, and also has the function of picking eggs automatically. The healthy breeding equipment for laying hens ensures the health of the environment, is conducive to the growth of laying hens and improves the egg production of laying hens.

The invention relates to traffic tool auxiliary devices, and discloses a platform gap junction device. The platform gap junction device comprises a telescopic bridge plate (1), and further comprises adriving rod (2), a main connection rod (3) and a buffering rod (4), a transverse bridge plate slide groove (5) and a longitudinal bridge plate buffering slide groove (6) are formed in the telescopicbridge plate (1), one end of the main connection rod (3) is hinged to the driving rod (2), the other end of the main connection rod (3) is hinged to the middle of the buffering rod (4), a first pulley(7) which slides in the bridge plate buffering slide groove (6) is arranged at the hinging portion, and a second pulley (8) which slides in the bridge plate slide groove (5) is arranged at one end ofthe buffering rod (4). By means of the platform gap junction device, through telescoping of the telescopic bridge plate (1), a passenger can more safely enter a carriage, the phenomenon that the passenger misses his / her step is avoided, it is guaranteed that a wheelchair of disabled people safely goes through, and safety guarantee of the passenger when the passenger gets up and off the carriage is enhanced; meanwhile, it can be effectively prevented that objects fall into the gaps between a train and a platform.

The invention relates to the technical field of guardrails, in particular to a matrix type flow control system. The matrix type flow control system comprises multiple detachable type rapid mounting four-way stand column systems, the detachable type rapid mounting four-way stand column systems form a matrix shape, in the vertical row of detachable type rapid mounting four-way stand column systems,two adjacent detachable type rapid mounting four-way stand column systems are connected through a detachable rapid mounting guardrail, and the two detachable type rapid mounting four-way stand columnsystems located on the lowest portion are connected through a detachable type 180-degree rapid mounting door. The system has the beneficial effects that complete and partial dismounting and assemblingcan be achieved, special needs of a public site at the different time and different time periods can be ensured, after complete mounting or complete dismounting, site attractiveness is ensured, wholecoordination of the public site is not affected, rapid dismounting and rapid mounting are achieved, dismounting and mounting of each guardrail can be finished within 30 seconds, and assembling and disassembling of each stand column can be finished within two minutes.

The invention relates to the field of communication facilities, and discloses a gap filling automatic connection system which comprises an actuating connector box (3), an actuating lever (2), a connecting rod (6) and a relay rod (5), wherein the actuating lever (2) is connected with a movable clutch plate (4); the movable clutch plate (4) is provided with a first sliding chute (41); one end of the relay rod (5) is hinged with the movable clutch plate (4), and the other end of the relay rod (5) is hinged with the connecting rod (6); the relay rod (5) is provided with a first axis pin (42) and a second axis pin (62); the first axis pin slides in the first sliding chute (41); the connecting rod (6) is provided with a second sliding chute (61); the second axis pin (62) slides in the second sliding chute (61); and the connecting rod (6) is provided with a rotary pedal (1). The gap filling automatic connection system has the advantages of simple installation process, energy saving and environment friendliness, prevents the passengers from stamping into the gap between the train and platform, and prevents the passengers from having an accident and feeling panic.

The invention discloses a Chinese chive harvesting, cleaning and fertilizing integrated device in a greenhouse. The device comprises a rectangular frame body, walking wheels are arranged at the bottoms of the two sides of the frame body, a cutting mechanism is erected below the front portion of the frame body, a tidying and conveying mechanism is arranged at the rear portion of the frame body, anda conveying mechanism is arranged between the tidying and conveying mechanism and the cutting mechanism. A cleaning mechanism is arranged at the position, behind a tidying mechanism, of the the framebody. The Chinese chive harvesting, cleaning and fertilizing integrated device has the beneficial effects that the device is suitable for being used in the greenhouse, mechanical harvesting is achieved, the automation degree is high, the drawing effect is good, the safety performance is good, the labor intensity of people is relieved, the labor cost is reduced, wide-width operation can be achieved, harvesting can be completed through one stroke, the number of times of harvesting in the past is reduced, treading damage to Chinese chives is avoided, and working efficiency is improved.

The invention discloses a liftable hanging-type greenhouse operation platform. The liftable hanging-type greenhouse operation platform comprises a greenhouse, wherein a slide rail is arranged in and fixedly connected with the greenhouse through a group of fixing rods; a base plate is arranged below the slide rail; a control box is arranged on one side of the base plate; a hydraulic cylinder is fixedly arranged on one side of the base plate; one end of the hydraulic cylinder is in fit connection with a connecting rod; one end of the connecting rod is in fit connection with a pulley which is arranged in the slide rail; one side of the connecting rod is fixedly provided with a supporting plate which slidably matches with the slide rail; a motor is arranged on the supporting plate; a sensor isarranged on the motor; the hydraulic cylinder and the sensor are in fit connection with the control box; and the motor is in fit connection with the pulley through a rotating shaft. The liftable hanging-type greenhouse operation platform provided by the invention has the following advantages: reliable structure, capability of matching with agricultural tools for operations like pesticide spraying, watering, picking and crop preparation in a greenhouse without damage to crops in the greenhouse, high degree of automation, high operation efficiency, comprehensive functions, and conservation of labor.

The invention relates to the technical field of pedals and discloses a self-adjustment horizontal type pedal structure. The self-adjustment horizontal type pedal structure comprises a rotary shaft and a pedal body. A shaft hole is formed in the pedal body. A shaft sleeve is arranged in the shaft hole. The rotary shaft is rotationally connected with the shaft sleeve. A connector is arranged at the outer end of the rotary shaft and provided with a thread. Arc-shaped connecting sheets are symmetrically arranged on the positions, located on the two sides of the shaft hole, at the end, facing the connector, of the pedal body. A balance weight ring is arranged on the outer sides of the arc-shaped connecting sheets. A balance weight protruding block is arranged on one side of the balance weight ring. External threads are arranged on the outer surfaces of the arc-shaped connecting sheets. The arc-shaped connecting sheets are provided with a rotary sleeve in threaded connection with the arc-shaped connecting sheets. The self-adjustment horizontal type pedal structure has the beneficial effects that the phenomenon that a user slips and misses a pedal when treading on the pedal is prevented, and use is safer.

The invention discloses a refuse landfill with an anti-seepage function. A first clay layer is laid on the bottom face of an arranged foundation pit; a bottom face anti-seepage film set is arranged on the top of the first clay layer and connected with a side face anti-seepage film set arranged on the side wall of the foundation pit to form an anti-seepage system on the periphery of the wall of the foundation pit of the landfill; every two adjacent refuse landfill layers are arranged in a spaced manner through the clay layer; a clay layer is further laid on the topmost refuse landfill layer so that a top face anti-seepage film set can be laid; the circumferential ring of the top face anti-seepage film set and the circumferential ring of the top of the side face anti-seepage film set are overlapped and fixed, and a closed refuse landfill structure is formed; and a plurality of main blind ditches are formed in the first clay layer and communicate with a waste liquid guiding-out pipe on the side wall of the foundation pit, and therefore waste liquid flowing into the bottom face anti-seepage film set after refuse is subjected to layered landfill is guided out. According to the overall structure of the refuse landfill, waste liquid generated by refuse can be effectively prevented from being left in the landfill, corrosivity to a permeable film on the landfill after refuse in the landfill is decayed is reduced, and accordingly damage and seepage of the anti-seepage film are avoided.

The invention discloses a crawling ladder device used for a manual hole digging pile and a method for going up and down a wellhole of the crawling ladder device, and belongs to the technical field ofcapital construction auxiliary equipment design and manufacturing. The crawling ladder device used for the manual hole digging pile and the method for going up and down the wellhole of the crawling ladder device are safe in use and large in working space, can be used circularly, and is low in cost. The crawling ladder device includes a soft crawling ladder, a limiting supporting system and a crawling ladder supporting frame. The crawling ladder device is limited by the limiting supporting system at the arrangement position in the radial direction in a pile hole through the crawling ladder supporting frame and the soft crawling ladder detachably hanged in the pile hole. The method for going up and down the wellhole is based on the crawling ladder device. Firstly the soft crawling ladder isput into the pile hole to be well supported; then a worker goes down into the pile hole; after the worker finishes, the soft crawling ladder and the limit supporting system are taken away to clear a space; and when the worker needs to go up, the soft crawling ladder and the limit supporting system are put down. The method for going up and down the wellhole not only overcomes the problem that people is prone to step empty on the soft crawling ladder, but also overcomes the problem that a rigid crawling ladder occupies the space so that unearthing is affected.

The invention relates to a double-layer bed which comprises a support art, a safe lifting part and a studying part, wherein the supporting part s comprises supporting legs, a bed board, a guardrail, a bed board supporting frame and a bed top supporting frame; the safe lifting part comprises rotation shafts, belts, handle rings, a protection board, a pedal body, a blocking body, a spring, pedal blocks, supporting rods and pulleys; the studying part comprises soft connection bodies, fixed connection parts, desk bodies and horizontal moving bodies. The maximum characteristic is that a lower-layer bed is relatively safe; when the double-layer bed disclosed by the invention is used, the condition that an accident happens since a person in an upper-layer bed is easy to miss a step. In addition, by using the double-layer bed, the person can study conveniently, and the space is saved greatly; the double-layer bed is easy to operate, convenient to use and easy to expand.

The invention discloses a greening tree pad, and relates to a greening pad for tree protection in urban greening. The greening tree pad is a pad body obtained by bonding or pressing plastic particles or rubber particles or plastic foam particles, and gaps are formed among the particles of the pad body. The greening tree pad is characterized in that a polygonal opening is formed in the middle position of the pad body; each edge of the polygonal opening is lengthened to form a longer pad body; the mutual rectangular pad bodies are connected through elastic connecting elements; the greening tree pad can extend onto tree bodies through the longer pad body, and is mutually connected through the elastic connecting elements so as to protect the tree bodies. The greening tree pad is put within edge stones of greening tree pits; the growth of weed is prevented; the pedaling is prevented; the environment is beautified; the tree trunks are beautified; the bark falling is prevented; the pad body is of a particle bonding and pressing structure; gaps are formed among the particles; the water seepage performance is good; the drought resistance is facilitated; the cold-proof protection effect can also be achieved on the tree in cold winter; simplicity and practicability are realized; the multipurpose can be achieved through one action.

The invention discloses a double-net safety trampoline. The double-net safety trampoline is characterized in that a trampoline ring is connected to the periphery of a jumping cloth through tension springs, floor supporting legs are fixed to the lower side of the trampoline ring, vertical rods are erected at the upper side of the trampoline ring at intervals, a top ring is connected to the tops ofthe vertical rods, a closed space is defined inside the top ring and between the top ring and the periphery of the jumping cloth through an inner net, an outer net is arranged between the top ring andthe trampoline ring and on the periphery of the vertical rods, door holes are formed in the inner and outer nets, and the surrounding edges, between the door holes, of the two nets are sewed together, so that the cavity between the inner net and the outer net forms a closed chamber. The double-net structure with the inner and outer nets is adopted, the vertical rods, the trampoline ring and the tension springs are all packaged in the cavity, then children only can play on the jumping cloth in the middle of the inner net and are prevented from climbing onto the trampoline from the outside, andthe accident that children get injured by a fall or a pinch is prevented; besides, the inner and outer nets more effectively prevent the fall accident caused when nets are crashed by children, and the safety coefficient is higher.

The invention discloses a cuttage breeding method for quickly establishing an alfalfa clone. The cuttage breeding method comprises the following steps: (1) preparing an alfalfa vegetative propagation seedling bed; (2) preparing and sterilizing soil; (3) performing a specific branch cutting operation method; (4) managing cuttage seedlings; (5) transplanting vegetative propagation seedlings; (6) performing filed management after transplanting. According to the cuttage breeding method disclosed by the invention, the problems of being slow in rooting, low in survival rate and the like of alfalfa cuttage breeding can be solved. The method is suitable for quickly and efficiently establishing the cuttage clone, and has the characteristics of being simple to operate, low in cost, quick and efficient, and capable of remarkably shortening the vegetative propagation breeding time and increasing the cuttage breeding survival rate.

The invention relates to the field of solar panels, in particular to a solar panel which comprises a device body, a first through hole is formed in the device body, a solar movable plate is placed inthe first through hole, a transposition assembly is arranged below the device body, the transposition assembly comprises a pedal, the solar movable plate is connected with the transposition assembly,the included angle between the solar movable plate and the pedal is 90 degrees, and the transposition assembly drives the solar movable plate and the pedal to be interchanged in position. Through thestructures of the transposition assembly, the solar movable plate connected with the transposition assembly, the pedal and the like, an operator forms a road formed by the pedal on the device body, the operator steps on the pedal so that the operator can walk on the surface of the solar panel conveniently, the surface of the solar panel cannot be damaged, and the service life of the device body isprolonged.

The present invention discloses a buffer type dairy cow milking stall. The buffer type dairy cow milking stall comprises a rack and a standing platform used for bearing dairy cows, a left side surfaceand a right side surface of the standing platform are respectively provided with a slope surface, two door-shaped vertical frames are arranged above the standing platform in a left-right parallel manner, and a plurality of side links are welded and connected between the two vertical frames; each side link is sleeved with an inflatable buffer sleeve and each inflatable buffer sleeve is connected with an inflating pump arranged at an upper end of the vertical frame through a pipeline; an inside of each vertical frame is fixedly provided with a connection disk, bolts are cooperated between the connection disks and the standing platform, a groove is arranged in a top part of the standing platform, the groove passes through the standing platform in a front to back passing-through manner, a plurality of groove bodies are cooperated at groove bottom positions of the groove, the groove bodies are internally cooperated with supporting rollers, rotating shafts are cooperated between the supporting rollers and the groove, and the groove is internally provided with a movable first standing platform.

The invention discloses an in-station guiding system for an intelligent subway vehicle, the structure of the in-station guiding system comprises an in-station control terminal and an in-vehicle control terminal, the in-station control terminal is electrically connected with an in-station processor through an in-station server, and the in-station processor is electrically connected with an in-station positioning module, a guiding display and a wireless network module through wires; the guide display comprises a display screen and a loudspeaker; the in-vehicle control terminal is electrically connected with an in-vehicle processor through an in-vehicle server. According to the invention, the number of passengers in the subway carriage can be detected in real time, the detected information can be directly displayed on the display in the station, and the vacancy in the carriage can be broadcasted, so that the passengers can visually check the number of passengers in each carriage of the subway, and the passengers can directly wait at the stop with few passengers in the carriage. And the phenomenon that passengers cannot get on the bus in time due to crowding in the compartment is avoided.

The invention belongs to the technical field of gardens and discloses a warning label for garden lawn protection. The warning label comprises a flashing board, a placing board, a word board, a bracket, a safety box and a base plate, wherein the flashing board is provided with a solar cell panel, the rear end of the flashing board is connected with the top of the placing board in a fixed manner, and the middle end of the placing board is provided with the word board. An LED lighting lamp is arranged in the word board, so that work can be done at night by using the LED lighting lamp according toillumination intensity induction, to enable people to make an observation clearly and prevent people from trampling a lawn; an infrared sensor is arranged at the bottom of the word board, so that once people walk into the range of the infrared sensor, an alarm plays a role of warning, to guard against people; the flashing board disposed at the upper end of the placing board, the flashing board isprovided with the solar cell panel, so that energy can be collected and stored in a storage battery which serves as an electrical apparatus element; and the base plate is arranged at the bottom end of the bracket to achieve a fixing reinforcement effect.