52results about How to "Affect walking" patented technology

The invention relates to a method and a system for detecting small and short obstacles and ramps based on RGB-D cameras and an attitude angle sensor. According to the system, an infrared projector is used for projecting invisible near-infrared static speckles; the two infrared cameras are used for collecting images; the attitude angle sensor is used for acquiring the attitude angle information of the cameras; the depth information and the attitude angle information in the images are processed, so that the azimuths, heights and distances of the ramps and the ground obstacles in the front three-dimensional scene are detected; finally, the detection results are converted into semantic sound and transmitted to a blind person through bone conduction headphones for realizing assistance.

The invention discloses a stair climbing wheel with a staggered double-rim structure, which mainly comprises a wheel hub, an arc-shaped rim unit and a telescopic spoke unit, wherein the arc-shaped rimunit comprises an arc-shaped strip blocks, the telescopic spoke unit comprises a hydraulic sleeve and a telescopic rod, the hydraulic sleeve is connected on two side surfaces of the hub through clamping plates, the hydraulic sleeve sleeves the telescopic rod, a fixing plate is arranged at the opening of the hydraulic sleeve, the fixing plate sleeves an anti-twist sliding column, the anti-twist sliding column and the telescopic rod are connected on the inner cambered surface of the arc-shaped strip block, the outer cambered surface of the arc-shaped strip blocks is covered with an anti-slip rubber layer, a plurality of arc-shaped strips form the staggered double-rim structure, and an annular oil pipe is arranged between the hydraulic sleeves; a carbon brush ring is arranged on the plane ofone side of the hub, and a wire connector and an electric piston mechanism are arranged on the plane of the other side of the hub; and the electric piston mechanism is communicated with the annular oil pipe. According to the invention, a staggered double-rim structure is used, the pressure of the telescopic spoke unit is changed through the electric piston mechanism, the structure is suitable forvarious terrains, has large gripping force on the ground, and improves the safety of climbing stairs.

The invention provides an embedded part on a settlement observation point and an application method thereof. The embedded part on the settlement observation point consists of an embedded bushing, a bolt and a screwed plug. Before concrete is poured on a building wall or a building column on a position where a settlement observation point is arranged, the embedded bushing is embedded on the position of a corresponding settlement observation point, then concrete is poured, and a sheath of the embedded bushing is guaranteed to be leveled to the skin of the building wall and the building column; when the observation of the settlement point is not carried out, the screwed plug is screwed into the embedded bushing; and when the observation of the settlement point is needed, the screwed plug is unscrewed, the bolt is screwed into the embedded bushing, and then the settlement point is observed. Compared with the prior art, the sheath of the embedded bushing is guaranteed to be leveled to the skin of the building wall and the building column, so that the safety of the settlement observation point during the non-observation period is guaranteed, the overlong exposed length of the embedded bushing is prevented from influencing the walking of personnel, manmade destruction factors can be reduced, and the settlement observation point is more beautiful.

The invention discloses a scraper blade for a pre-leveling mechanism of an asphalt paver. The scraper blade comprises a machine frame, wherein the machine frame is of an N-shaped structure; scraper blade bodies are arranged between the side walls of the vertical portions on opposite sides of the machine frame, and sliding grooves are formed in the side walls of the vertical portions on opposite sides of the machine frame; the sliding grooves are matched with the left and right ends of the scraper blade bodies, a through hole is formed in the central of a cross beam of the machine frame, and agroove is formed in one side of the through hole; a fixing mechanism is arranged in the groove, and a rolling bearing is fixedly connected to the central of the cross beam of the machine frame; a screw rod is fixedly connected to the inner side of the rolling bearing, and a rotating disc is fixedly connected to one end of the screw rod; blind holes are formed in the centres of the upper ends of the scraper blade bodies, and threaded sleeves are fixedly connected to openings of the blind holes. According to the scraper blade, technicians can conveniently adjust the height of the scraper blade bodies and limit the adjusted blade bodies, and meanwhile, an asphalt concrete material scraped by the blade bodies can be stirred to prevent the asphalt concrete material from being too much and squeezed on the scraper blade bodies and influencing the paver to walk.

The invention provides a temperature-adaptive water storage and drainage integrated water permeable brick. The brick comprises a modified sand base layer, a water storage cavity, two permanent magnetsarranged in a homopolar manner and a waterproof base layer which are sequentially arranged from top to bottom, a drainage pipe is arranged at the bottom of the waterproof base layer, and the water storage cavity is composed of a water sealing plate and bearing solid pipes located at the two sides of the upper portion of the water sealing plate. An expansion air bag containing low-boiling-point evaporation liquid is arranged at the outer side of each bearing solid pipe, and a heat insulation sliding plate is arranged at the side portion of each expansion air bag, and the expansion air bags arevaporized and expanded to push the corresponding heat insulation sliding plates to move in the direction away from the expansion air bags. The temperature-adaptive water storage and drainage integrated water permeable brick is reasonable in design and ingenious in structure, when the rainwater amount is smaller or the surrounding environment temperature is higher, the surrounding environment temperature can be continuously kept cool due to the evaporation effect of water stored in the water storage cavity or water overflowing due to the effect of the expansion air bags, rainwater is fully utilized, meanwhile, the water storage amount in the water storage cavity can be automatically adjusted, the livable index of a city is improved, and meanwhile, the heat island effect of the city is relieved.

The invention discloses a terrain flatness measuring device for territorial space planning, and relates to the technical field of terrain flatness measurement, the terrain flatness measuring device comprises a base, a testing mechanism and a marking mechanism, the testing mechanism and the marking mechanism are both located below the base, and second supporting blocks are installed at the two ends of one side of the outer wall of the top of the base. And second fixed shells are mounted on the outer walls of the opposite ends of the two second supporting blocks. The distance between the distance sensor and the bottom of the base can be measured through the distance sensor arranged on the mounting ring, so that the flatness can be calculated, the detection pulleys on the two sides are not located on the same straight line, the ground can be fully and comprehensively measured, and by arranging the base and the limiting rod, the flatness of the ground can be accurately measured. An arc-shaped rubber block, an arc-shaped rod, a ventilation shell and bristles can push and clean the ground to be measured, and the situation that chippings influence walking of a detection pulley, and consequently the detection result is influenced is avoided.

The invention provides an electrostatic elimination wrist watch. Two electrostatic discharge diodes are arranged in an electronic wrist watch shell having a metal bottom shell, and are connected to a button battery of the electronic wrist watch, wherein a negative electrode of the electrostatic discharge diode A is connected to a positive electrode of the button battery; a positive electrode of the electrostatic discharge diode B is connected to a negative electrode of the button battery; and a positive electrode of the electrostatic discharge diode A and a negative electrode of the electrostatic discharge diode B are soldered on an inner wall of the metal bottom shell, to thereby form an electrostatic self-absorption loop. The inventive electronic wrist watch not only has a time display function, but also has a function of eliminating electrostatic charges on human body without grounding, can be worn by users in electrostatic places without influence to working and walking, and is very convenient and practical. In addition, the wrist watch has the characteristics of low cost, simple structure and easy manufacture.

The invention provides tea pruning equipment based on tea planting, relates to the technical field of tea pruning equipment, and solves the problems that when existing trimming equipment is used, trimmed leaves are directly thrown on the ground, the trimmed leaves cannot be timely and orderly collected and treated, and walking of personnel is easily influenced by the leaves falling on the ground.The equipment comprises a main body, a discharging groove and a top groove, a blade is installed at the bottom of an adjusting plate, and the adjusting plate is arranged at the bottom of a transverseplate; the top of the bottom plate is installed at the bottom of the main body and the bottom of the storage box through springs, and an inner groove in the top of the bottom plate is formed in the bottom of the storage box; the discharging groove is formed in the rear side of the adjusting plate, and the front end of a carrier plate at the bottom of the discharging groove is installed at the bottom of the adjusting plate; and the top groove is formed in the top of the discharging groove, and a transverse rod on the side face of the top groove is installed at the bottom of a motor at the rearend of the transverse plate through bevel gears. Leaves are collected and stored through the discharging groove and scattered through the top groove, so that the discharging groove is prevented from being blocked by the leaves.

The invention discloses an intelligent sidewalk monitoring and reminding system. The system comprises a signal receiving unit, a control unit, a power supply unit, a human face recognition unit, an electromobile recognition unit, a display unit, a voice reminding unit, a light reminding unit and a voice broadcasting unit, wherein all the signal receiving unit, the human face recognition unit, theelectromobile recognition unit, the display unit, the voice reminding unit and the light reminding unit are connected with the control unit; the display unit corresponds to the human face recognitionunit and the electromobile recognition unit, and the display unit is connected with the voice broadcasting unit. According to the intelligent sidewalk monitoring and reminding system, through human face recognition, passengers who run red lights are recognized, uncivilized behaviour of the passengers is displayed, and through the display unit and the voice broadcasting unit, reminding is conductedto regularize traffic behaviour of the passengers; by recognizing electromobiles on a zebra crossing, the electromobiles are regularized and are made run on lanes special for the electromobiles, effects of the electromobiles on passenger walking on the zebra crossing are avoided, and the passenger safety is ensured.

The invention discloses landscape fountain overflow water discharging equipment. A water level control box is included. The right end face of the water level control box is provided with a vertical groove with a rightward opening. A lifting mechanism is arranged in the vertical groove and comprises a movable block capable of sliding up and down in the vertical groove. A spraying-out pipe is arranged in the water level control box and internally provided with a rotation mechanism. The rotation mechanism comprises a nozzle fixed to the left end face of the water level control box. The lower endface of the water level control box is provided with a storage cavity with a downward opening. A water discharging mechanism is arranged in the storage cavity and comprises a connection groove formedin the inner wall of the upper side of the storage cavity. The device can detect the water volume in a fountain, when the water volume exceeds a certain volume, the device can spray water out of the foundation for irrigation of a lawn beside the fountain, the situation that surplus water flows to the road, and walking of pedestrians is influenced is avoided, and water resource waste is reduced aswell.

The invention relates to the technical field of food production equipment and particularly discloses a food processing workshop floor anti-skid structure which comprises a steel board layer and a softlayer, a plurality of protrusions are arranged on the surface of the soft layer, a plurality of first grooves are formed in the surface of the steel board layer, supporting boards are arranged on thebottom face of the steel board in the circumferential direction, the soft layer is fixed to the surface of the steel board layer, a plurality of water inlet holes communicating with the first groovesare formed in the soft layer, and drainage holes are formed in the bottoms of the first grooves. By the adoption of the technical scheme, the problems that in the prior art, the ground of a food production workshop is wet and slippery, and operators fall down easily are solved.

The invention provides a water storage and drainage integrated water permeable brick. The brick comprises a waterproof base layer, a water storage cavity is formed in the middle of the waterproof baselayer, and the water storage cavity is sequentially provided with a high-strength ceramic water permeable layer used for shielding an opening of the water storage cavity, a bearing solid pipe, a water sealing plate and a reset spring from top to bottom. The two sides of the water sealing plate are in sealed sliding connection with the inner walls of the two sides of the water storage cavity, a drainage pipe is arranged at the bottom in the water storage cavity, flow guide channels are arranged between the lower portion of the water sealing plate and the drainage pipe, and the minimum distancebetween the flow guide channels at the two sides is larger than the width of the water sealing plate. When the water sealing plate descends by a certain height, accumulated water in the water storagecavity flows out through the flow guide channels. The water storage and drainage integrated water permeable brick is reasonable in design and ingenious in structure, when the rainwater amount is smaller or the surrounding environment temperature is higher, the surrounding environment temperature can be continuously kept cool due to the evaporation effect of water stored in the water storage cavity or water overflowing due to the effect of an expansion air bag, rainwater is fully utilized, meanwhile, the water storage amount in the water storage cavity can be automatically adjusted, the livable index of a city is improved, and meanwhile, the heat island effect of the city is relieved.

The safety warning device comprises a stand column and a warning board body arranged at the upper end of the stand column, the stand column is a polygonal column body, a receding groove is vertically formed in each edge of the stand column, a through groove is formed in the stand column, the through groove penetrates through the upper end face and the lower end face of the stand column, and the through groove and the receding grooves communicate with each other; a sliding block is arranged in the through groove in a sliding mode, the shape of the sliding block is the same as that of the horizontal section of the stand column, each edge of the sliding block is provided with a foldable supporting plate assembly, and the warning board body is a foldable warning board. The foldable supporting plate assembly comprises a rotating assembly and a supporting bottom plate, and the supporting bottom plate is rotationally connected with the outer wall of the sliding block through the rotating assembly. The warning board is improved to solve the problems that in the prior art, portability and small occupied space cannot be guaranteed while the placement stability of the warning board is kept. The warning board has the advantages that the placing stability of the warning board is improved, meanwhile, the portability of the warning board can be guaranteed, and the occupied space is small.

The invention relates to the technical field of planting of angelica dahurica and discloses a planting method of angelica dahurica. The planting method comprises steps of land selection, land preparation, sowing and field management, in the land preparation step, beds are formed and planting pits are dug in the beds; between the land preparation step and the sowing step, a greenhouse set-up step is included and performed as follows: A, a greenhouse is set up on a field, rain tanks are arranged on the greenhouse, and water leaking holes are formed in bottoms of the rain tanks; B, round folding plates are mounted at bottoms of the rain tanks, circle centers of the folding plates are fixed on bottom walls of the rain tanks, the folding plates comprise fixed edges and movable edges, the fixed edges are fixed on side walls of the rain tanks, the bottoms of the rain tanks are connected with water pipes, the other ends of the water pipes penetrate through the greenhouse to extend to the planting pits, and first spray holes are formed in the water pipes; C, rotating drums are rotationally connected in the water pipes, second spray holes are formed in the rotating drums, and the rotating drums are fixedly connected to movable edges of the folding plates. The angelica dahurica can be watered in all directions and stable growth of the angelica dahurica is realized.

The invention discloses a blind sidewalk floor tile with a vibration indication function. The blind sidewalk floor tile comprises a brick body; a mounting groove is formed in the brick body; a plurality of openings communicating with the mounting groove are evenly formed in the upper end face of the brick body, and a guide strip is slidably connected into each opening; and a vibration indicating mechanism and a ringing indicating mechanism are arranged between each guide strip and the inner bottom wall of the mounting groove. By means of the vibration indicating mechanism and the ringing indicating mechanism, the comfort of the blind walking on a blind sidewalk is improved; the blind can be assisted in quickly positioning when walking on the blind sidewalk; the blind is prevented from deviating on the blind sidewalk, meanwhile; surrounding normal pedestrians can be reminded; and the normal use of the blind sidewalk is prevented from being influenced by the normal pedestrians.

The invention discloses an adjustable splicing screen wireless multi-screen transmission connecting device which comprises an outer frame, a connecting frame is arranged at one end of the interior of the outer frame, multiple sets of connecting strips are evenly arranged at the other end of the interior of the outer frame, a fan is arranged on one side of each connecting strip, and a mounting frame is arranged between the tops of one sides of the two sets of connecting strips. Outer sleeves are symmetrically arranged on the two sides of the top of the mounting frame, and inner sleeve rods are slidably connected into the outer sleeves. According to the invention, under the cooperation of the fixing piece, the wiring sleeve, the limiting frame, the arc-shaped clamping block, a spring C, an outer sleeve and an inner sleeve rod, in the line connection process, a line can be surrounded, so that the contact area of the line and air is increased, the situation that the line is overheated in the long-time use process of equipment is prevented, and the service life of the equipment is prolonged. And meanwhile, the connecting wires can be separated one by one, so that the phenomenon that the insulating layers of the connecting wires are broken due to long-time distortion caused by winding among the connecting wires is prevented.

The invention discloses a prefabricated side slope, and relates to the field of road engineering. The prefabricated side slope comprises a slope body, a slope surface is obliquely arranged on the slope body, a dovetail strip is vertically arranged on one side of the slope body, and a groove allowing the dovetail strip to be embedded therein and a dovetail groove communicating with the lower end ofthe groove and allowing the dovetail strip to be embedded therein are formed in the other side of the slope body; and a sliding hole communicating with the groove is formed in the slope surface, a sliding rod used for pressing the upper end face of the dovetail strip is connected into the sliding hole in a sliding mode, and a locking part used for fixing the sliding rod is arranged in the slidinghole. The construction method has the following advantages and effects that by arranging the splicing type prefabricated side slope, construction of side slopes on two sides of a road is completed, traditional piling or laying is replaced, the side slope construction process is more convenient and faster, and therefore the effects of facilitating construction and shortening the construction period are achieved.

The invention discloses a warmer used in home. The warmer comprises a bottom plate, four groups of warmer bodies, a table top, an electromagnetic oven installed in the center of the table top and a hydraulic lifting device, wherein anti-skid foot pads are fixedly installed at four corners of the lower end of the bottom plate, and a power cord storage cavity is formed in the front end surface of the bottom plate; a power cord is placed in the power cord storage cavity, and the power cord is integrally formed with the whole device; and a USB socket is arranged on one side of the power cord storage cavity, an electromagnetic oven control panel for controlling the electromagnetic oven is installed on the upper end surface, positioned on one side of the electromagnetic oven, of the table top, afolding plate is hinged to the right side of the table top through a connecting pin, and a storage layer is fixedly installed at the lower end of the table top through four rods. The warmer used in home is provided with the folding plate and the clothes hanger hydraulic lifting device, so that the multifunctional use of the warmer can be realized, and the power cord can be stored in equipment toprevent the power cord from being disorderly outside and influencing the walking of personnel.

The invention discloses an amniotic fluid side leakage preventing multifunctional puerpera bed for miscarriage prevention, and relates to the field of beds. The amniotic fluid side leakage preventingmultifunctional puerpera bed comprises a bed body, wherein bed legs are fixedly mounted around the bottom of the bed body, a lifting groove is formed in the bottom of the bed body, two moving blocks are arranged in the lifting groove, a right-hand threaded hole and a left-hand threaded hole are formed in the sides, close to each other, of the two moving blocks correspondingly, a right-hand lead screw and a left-hand lead screw are installed in the right-hand threaded hole and the left-hand threaded hole correspondingly in a threaded mode, the right-hand lead screw and the left-hand lead screware fixedly connected, and a rotating groove is formed in the inner wall of the side, close to the right-hand lead screw, of the lifting groove. During use, the hip of a pregnant woman can be raised,so that the hip is raised, excessive amniotic fluid is prevented from flowing out to influence the development of a fetus, the raising height and position can be adjusted, the pregnant woman can conveniently select the raising height and position by himself / herself, accompanying persons can have a rest through the arrangement of the folding plate, and the amniotic fluid bed is convenient to storeand does not occupy space.

The invention relates to a hole opener, in particular to a ceramic tile hole opener. Therefore, the technical problem of the present invention is to provide a ceramic tile hole puncher that can replace the manual hole opening of the tile, avoid the damage of the projected debris, and can also polish the top of the tile. The technical embodiment of the present invention is: a ceramic tile hole opener, comprising a base, a first bearing seat, a first rotating shaft, a turntable, a clamping rod, a first spring, a placing plate, a 7-type plate, a support seat, a swing plate, A first bearing seat is embedded in the middle of the top of the base, a first rotating shaft is installed in the first bearing seat, and a turntable is installed on the upper part of the first rotating shaft. The invention drives the cutter to rotate by driving the motor, and then pulls the handle to enable the cutter to make holes in the tiles, without the need for people to hold tools to make holes, thus avoiding the damage caused by debris projection, and through the grinding device, The top of the tile can be polished into a bevel, so that the water can be discharged more quickly and avoid the accumulation of water affecting pedestrians' walking.

The invention relates to a tapper, and particularly relates to a ceramic tile tapper. Therefore, the technical problem of the ceramic tile tapper is to provide a ceramic tile tapper which can replace manual operation to tap holes in ceramic tiles, the damage caused by bursting chippings is avoided, and the tops of the ceramic tiles can be polished. According to the technical scheme, the ceramic tile tapper comprises a base, a first bearing seat, a first rotating shaft, a rotating disc, a clamping rod, a first spring, a placing plate, a 7-shaped plate, a supporting seat, a swing plate, a handle and the like, the first bearing seat is embedded in the middle of the top of the base, the first rotating shaft is mounted in the first bearing seat, and the rotating disc is mounted at the upper portion of the first rotating shaft. According to the ceramic tile tapper, a cutter is driven to rotate through a driving motor, then the handle is pulled, the cutter can perforate ceramic tiles, people do not need to hold tools to perforate the ceramic tiles, the damage to the people due to bursting of chippings is avoided, the tops of the ceramic tiles can be polished into inclined planes through a polishing device, water can be drained more quickly, and the situation that accumulated water influences walking of pedestrians is avoided.

The invention relates to a walking frame, in particular to a walking frame for a pregnant woman with leg disability in the medical obstetrics and gynecology department. The invention aims to provide the walking frame for the pregnant woman with leg disability in the medical obstetrics and gynecology department, which supports sitting for rest and can improve the comfort. A medical walking aid for pregnant women with leg disability in the obstetrics and gynecology department comprises first universal wheels, mud guards, supporting rods, connecting rods, handles, moving sleeves and connecting bent rods, the handles are arranged on the upper portions of the two supporting rods in a sliding mode, the moving sleeves are arranged in the middles of the supporting rods in a sliding mode, and the connecting rods are arranged between the two moving sleeves. Connecting bent rods are arranged on the front sides of the lower portions of the two supporting rods correspondingly, and mud baffles are rotationally arranged on the lower portions of the supporting rods and the lower portions of the connecting bent rods correspondingly. The cushion can be supported by the supporting block, a pregnant woman can have a rest on the cushion, and then the comfort of using the whole device is improved.

The invention discloses an intelligent walking aid device which comprises a hand ring, a guide rail sliding block structure installed on the wall of a hospital ward corridor, a transmission device, a driving device, a control device and a detachable walking aid installed on a sliding block of the guide rail sliding block structure. The hand ring is in wireless communication with the control device and enables the driving device to be in linkage with the walking aid through the transmission device to move from the parking position to the position close to a ward along a guide rail of the guide rail sliding block structure, the walking aid comprises a waist ring capable of being opened and closed, telescopic supporting legs are installed on the two sides of the waist ring, and wheels are installed at the lower ends of the supporting legs. Waist hoops which can move oppositely to close to tightly hoop the waist and move reversely to be far away from and release the waist and liftable armpit supports are arranged on the inner side of the waist ring, and detachable anti-falling parts which are located below the waist hoops and can be tensioned and loosened are further installed on the waist ring. By means of the intelligent walking aid device, a patient can be fully trained by himself or herself, and rehabilitation is facilitated.

The invention belongs to the technical field of lithium batteries, and particularly relates to production equipment for a lithium battery. The production equipment comprises a box body, gloves and rubber mounting rings, and is characterized in that after the gloves are used, hands are taken out, and the gloves can be automatically rolled up under the elastic force of three elastic rolling sheets in a corresponding rolling-up mechanism, so that the gloves are prevented from being placed on the inner side or the outer side; when the gloves are placed on the inner side, normal transmission of electrolyte and roll cores at other working positions on the inner side is influenced; and when the gloves are placed on the outer side, the space on the outer side is occupied, which affects walking ofsurrounding people. According to the rolling-up mechanism, through ingenious rolling-up design, the two layers of the gloves are rolled up through the elastic rolling pieces, so that the gloves are internally in a sealed state all the time in the rolling-up process; after the gloves are rolled up and retracted, other parts except the palm are rolled up to form an annular body with a circular crosssection; and when the glove is used by a user next time or used by other people, the user can directly wear the gloves through the hollow areas in the middle of the annular bodies, and operation is simple.

The anti-rust paint smearing device for ship engineering comprises a base box, a motor is fixedly connected to the right end of the base box, a feeding hopper is fixedly connected to one side of the upper end of the base box, the motor is started to enable a first stirring assembly to work, paint stored in the base box is stirred, the storage time of the paint is long, and the situation that the paint is prone to caking is avoided; an electromagnetic valve is started to enable a certain amount of paint to enter a discharging box, a second stirring assembly works to continue to heat and stir the paint through a linkage assembly, and the finer and more uniform paint is obtained, so that the paint is guided out through a paint pump to be discharged into a paint spraying head to spray the rusty position of the clamping plate; and under the action of the paint brushing assembly, the sprayed paint is more uniformly covered at the paint removal position, then the sprayed paint is dried under the action of the drying assembly, manual smearing operation is not needed, the labor intensity is reduced to a certain degree, and the smearing efficiency of the paint removal position of the ship deck is greatly improved.

The invention relates to the technical field of food production equipment and particularly discloses a food processing workshop floor anti-skid structure which comprises a steel board layer and a softlayer, a plurality of protrusions are arranged on the surface of the soft layer, a plurality of first grooves are formed in the surface of the steel board layer, supporting boards are arranged on thebottom face of the steel board in the circumferential direction, the soft layer is fixed to the surface of the steel board layer, a plurality of water inlet holes communicating with the first groovesare formed in the soft layer, and drainage holes are formed in the bottoms of the first grooves. By the adoption of the technical scheme, the problems that in the prior art, the ground of a food production workshop is wet and slippery, and operators fall down easily are solved.

The invention relates to an ice removing device, in particular to a winter bridge surface ice removing device. The winter bridge surface ice removing device can effectively remove bridge surface ice blocks and improves the driving safety. According to the technical scheme, the winter bridge surface ice removing device comprises an ice removing cart and the like; an adjusting mechanism is connectedto the inner left side of the upper wall of the ice removing cart, a scraping plate is connected on the adjusting mechanism, a lifting mechanism is connected to the middle of the inner side of the upper wall of the ice removing cart, a cutting plate is connected on the lifting mechanism, and a storage battery is connected to the left side outside the upper wall of the ice removing cart, and is connected with a motor through a wire. According to the winter bridge surface ice removing device, the effects that the bridge surface ice blocks can be effectively removed, and the driving safety is improved are achieved; as the adjusting mechanism and the lifting mechanism are arranged, the ice blocks firmly fixed on the bridge surface can be broken, the dissolution speed of the ice blocks is increased, and it is avoided that vehicle driving and passerby walking are influenced.

The invention discloses a mulberry shoot cutter which comprises a tractor, a rack, a cutter head, a curbed bar and a shoot pushing track, wherein the rack is arranged at the front end of the tractor; the cutter head is arranged on the rack and is driven by a first driving mechanism to rotate; the curved bar is erected on the right side in front of the rack and is positioned in front of the cutter head; the front end of the curved bar is bent towards the right side; the shoot pushing track is arranged at the rear part of the curved bar and is driven by a second driving mechanism to circularly rotate. Preferably, the rack is arranged at the front end of the tractor through a lifting mechanism. According to the mulberry shoot cutter disclosed by the invention, shoots of mulberries can be mechanically cut and can be centrally pushed towards one side, so that missed cutting is avoided and the cut-off shoots are conveniently picked up. The mulberry shoot cutter has the advantages of simple structure, convenience to use and high shoot cutting efficiency.

The invention discloses a helipad, which is installed on the top of a building, and includes a glass fiber reinforced plastic grid plate, a fixing plate, a supporting device and an air induction device, and a plurality of the glass fiber reinforced plastic grid plates are fixedly connected to the fixing plate through fasteners , forming the main body of the apron, the main body of the apron is rectangular or square, and the surface of the main body of the apron is basically flat; several drainage holes are evenly distributed on the main body of the apron, and the support device and the fixed The lower part of the plate is fixedly connected, the air induction device is fixedly connected with the fixed plate arranged in the middle part of the main body of the apron, the support device is fixedly connected with the roof after passing through the air induction device, and the air induction device is used for The wind generated during the descent of the helicopter is guided to the outside of the main body of the apron. The parking apron of the invention has good skid resistance, strong corrosion resistance, beautiful appearance, convenient installation, low cost, firm fixation and stable landing.