51results about How to "Play a stretching effect" patented technology

The invention discloses an impervious frost-resisting C30 concrete and a preparation method thereof. The concrete comprises cement, fly ashes, an admixture, sands, crushed stones, water, a swelling agent and a frost-resisting agent; the swelling agent comprises gypsum, calcium oxide, calcium stearate, calcium sulphoaluminate, rosin, ethanol, polyacrylic emulsion, polyethylene fibers and a lotus leaf hydrophobic agent; the frost-resisting agent comprises glycerol, rubber powder, alunite powder, calcium lignosulphonate, sodium sulfate, ethanediol, water and a sodium carbonate solution. The preparation method comprises the steps of the preparation of a first mixture, the preparation of a second mixture, and the preparation of finished products. The C30 concrete has the advantages that the impervious and frost-resisting performance are good, and the strength level of the concrete reaches C30.

The invention discloses a full-automatic screen printer, which comprises a feed system, a transfer device, a positioning and punching device and a traction device, wherein the feed system comprises a tension control system, an edge aligning system and a dedusting wheel; the positioning and punching device is arranged between the transfer device and the traction device of the screen printer through a frame which is provided with a vertical punching mold, a horizontal punching mold and a control device; and small holes radially and uniformly distributed on the surface of a driving wheel of the traction device are communicated with an inner cavity which is externally connected with a draft device. The full-automatic screen printer can detect and automatically regulate the tension in the process of feeding and play a role of stretching to prevent materials from wrinkling in the process of travelling, automatically aligns edges and corrects deflection to improve the positioning accuracy, adheres dust on the surfaces of the materials by using the dedusting wheel, has better paper-advancing effect and on-line punching function, positions and punches conveniently and accurately, has high automation degree of the whole machine, and can effectively guarantee the printing quality of products.

The invention provides an adaptive stepless tie piece plate with an adjustable pedal angle, and belongs to the field of sports equipment. The adaptive stepless tie piece plate comprises a bottom plate, a pedal and a foot baffle, wherein the end of the pedal is hinged to the bottom plate, the foot baffle is arranged at the rear side of the lower end of the pedal, the adaptive stepless tie piece plate is characterized in that the rear side of the foot baffle is fixedly provided with a vertical gauge rod, and the front side of the gauge rod fixes a contact sensor; the adaptive stepless tie pieceplate further comprises a controller and a pedal adjusting mechanism, wherein the pedal adjusting mechanism and the contact sensor are electrically connected with the controller respectively. According to the adaptive stepless tie piece plate with the adjustable pedal angle, double feet of a user can adjust the inclined angle of the pedal without leaving the pedal when the tie piece plate is in use, and the gradient of the pedal can be automatically adjusted according to the physical condition of the user.

The invention relates to a hot-melt pressure-sensitive adhesive and a preparation method thereof. The hot-melt pressure-sensitive adhesive comprises, by mass, 5-15 parts of a plasticizer, 20-40 partsof polyisobutylene, 20-50 parts of a thermoplastic elastomer, 40-70 parts of tackifying resin, 0.1-1 part of an antioxidant, 2-5 parts of an additive and 0.5-2 parts of an anti-UV assistant. The additive can increase the Van der Waals force among hot-melt adhesive molecules to effectively prevent pop-open of overlap edges, caused by the sliding of an adhesive layer; and the polarity of the polyisobutylene is similar to that a waterproof coiled material, so the wettability to the waterproof coiled material of the hot-melt pressure-sensitive adhesive is enhanced, thereby the skin-like contact between the hot-melt adhesive and the waterproof coiled material is generated, the intermolecular effect between the hot-melt adhesive and the waterproof coiled material is increased, the infiltration of water molecules is blocked, water escaping from the overlap edges of the coiled material is prevented, and the peeling strength of the overlap edges is increased. The anti-UV assistant can absorb ultraviolet lights in sunshine, and releases the ultraviolet lights in a heat form in order to achieve a good anti-UV aging effect.

The invention discloses a stretching assisting orthosis of knee joints. The orthosis comprises a thigh orthopedic piece, a shank orthopedic piece, an elastic belt in the stretching state and two knee connection pieces. Two ends of the knee connection pieces are symmetrically fixed on two sides of the shank orthopedic piece, and the other two ends are symmetrically linked to two sides of the thigh orthopedic piece. One end of the elastic belt is connected to the front surface of the thigh orthopedic piece and the other end is connected to the front surface of the shank orthopedic piece. According to the invention, by using the elastic belt to stretch the thigh orthopedic piece and the shank orthopedic piece, it can be achieved that firstly when a patient is walking, quadriceps femoris is assisted to perform active motion, knees of the patient are stretched during buckling and the knee joints are stretched straight; and secondly when the patient is not walking, the orthosis can be used for training ham string tendons and musculus gastrocnemius to perform resistance motion so as to enhance muscle force of lower limbs, thereby achieving an effect of stabilizing the knee joints.

The invention discloses auxiliary stretching equipment for fitness, and relates to the field of fitness equipment. The auxiliary stretching instrument for fitness comprises a supporting block and a base, and the base is welded to the side wall of the supporting block. A sliding groove is formed in the side, close to the base, of the supporting block. The top wall of the supporting block is rotationally connected with a rotating handle. A transmission mechanism is arranged in the supporting block, the rotating handle is in transmission connection with two sliding blocks through the transmissionmechanism, the two sliding blocks are slidably connected to the inner wall of the sliding groove and penetrate through the sliding groove to be fixedly connected with moving seats, and pedal plates are welded to the upper surfaces of the moving seats. According to the auxiliary stretching instrument for fitness, by means of the transmission mechanism and the two movable seats, firstly, the two feet are placed on the two movable seats correspondingly and abut against the pedal plates, the two movable seats move in the opposite directions by rotating the rotating handle, and the stretching effect on the two legs is achieved in the moving process.

The invention relates to the field of clothing care machines, in particular to a clothing care machine with a movable drying function. The clothing care machine comprises a supporting rack and a drying machine which is arranged at the upper end of the supporting rack, and the drying machine blows air downwards to dry clothing under the drying machine; the drying machine comprises a machine hood, ablower, a heating device and a driving mechanism. The driving mechanism drives the blower to do reciprocating translation movement in the machine hood; a clearance hole is formed in the bottom of themachine hood so as to avoid the air flow which the blower blows downwards; the heating device is fixedly arranged at the air inlet end or an air outlet of the blower. By means of the clothing care machine, it is avoided that hot air is blown to the same position of clothing all the time, it is avoided that the clothing is deformed even damaged due to long-time heating, in the moving process of the blower, after the hot air leaves, part heat of the clothing can be dispersed into air, and the protection effect on the clothing is achieved.

The invention provides an occlusion device which adopts a net structure woven by shape memory wires, wherein the net structure comprises a columnar support part and at least one flow resisting disc, wherein the at least one flow resisting disc is connected with the support part through one columnar torsion part, the diameter of the torsion part is smaller than that of the support part and that of the at least one flow resisting disc, flow resisting membranes are arranged in the flow resisting disc and the support part, connecting joints are arranged on the outer end surface of the flow resisting disc or the support part, the net structure is formed by alternately weaving thick wires and fine wires, the thick wires are uniformly arranged in the perimeter direction of the net structure, and at least one fine wire is arranged between every two adjacent thick wires. The occlusion device is woven by combining the thick wires and the fine wires, the conveying effect is effectively guaranteed, and the memory rebound performance is guaranteed; and besides, the occlusion device can have a stretching effect to a certain extent, therefore, the device can be adjusted according to diseases and has good adaptability.

The invention belongs to the field of building construction, and particularly discloses a building engineering construction waste smashing and recycling device. The building engineering construction waste smashing and recycling device comprises a smashing cylinder, a rotating shaft is rotatably connected into the smashing cylinder, the rotating shaft is provided with a smashing blade, and the rotating shaft is hollow. A plurality of groups of anti-winding assemblies are arranged on the outer wall of the rotating shaft, and the groups of anti-winding assemblies are distributed around the rotating shaft in the circumferential direction. Each group of anti-winding assembly comprises a plurality of protective pieces attached to the outer side wall of the rotating shaft, the protective pieces in each group of anti-winding assembly are distributed in the axial direction of the rotating shaft, one ends of the protective pieces are rotatably connected to the outer wall of the rotating shaft, and the other ends of the protective pieces are attached to the outer wall of the rotating shaft. The protective pieces are connected with an opening mechanism. A magnet is slidably connected into therotating shaft, a cutter which can be attracted with the magnet is further arranged on the outer wall of the rotating shaft, the cutter is located outside the anti-winding assemblies, and the cuttingedge of the cutter can penetrate through the positions between the connection ends and the free ends of the anti-winding assemblies. The building engineering construction waste smashing and recyclingdevice can solve the problem that the rotating shaft is wound with material when waste is smashed.

The invention discloses a non-metal compensator processing device capable of limiting the stretched length. The processing device includes a bearing box and a first motor, a groove is internally provided with a bearing screen and a filter plate, the groove is internally provided with a first water pump, a water storage tank is fixed on the top of the bearing box, a connecting pipe is arranged on the lower side of the second water pump, a slider is slidably connected to the inner top of the bearing box, the rear side of an air spray gun is connected with an air spray pipe through a pipe hoop and a hose, a bracket is fixed to the inner bottom of the bearing box, a carriage is slidably connected to a bearing frame, and a bearing rack is arranged on the rear side of the bearing frame. According to the non-metal compensator processing device capable of limiting the stretched length, after materials are fixed, a second threaded rod rotates, the carriage is accordingly driven to slide to be far away, and therefore the stretching effect on the materials is achieved until the materials are in the tightening state; and meanwhile, the carriage limits the tightened materials, subsequent cleaning and processing operation is facilitated, and the materials are thoroughly cleaned.

The invention discloses a fixing device of an optical detector, which comprises two parallel slide rails (8) which are positioned on a base (9) and are vertical to the base (9), a clamp body (1) and a clamp rear stand (10) which are positioned on the parallel slide rails (8) and are connected through a long connecting rod (4) and a guide rod (11), a pressure claw (2) for a fixed PCB (3) on the clamp body (1), a connecting rod (5) on the clamp body (1) and a blocking seat (6) positioned at the front end of the optical detector, wherein a tension spring (7) is arranged between the clamp rear stand (10) and the guide rod (11). The fixing device of the optical detector has the advantages that the provided tension spring (7) can effectively produce an acting force opposite to the force produced by extension or compression of each component of the running optical detector so as to reduce rock produced during running, enhance the running stability and improve the detection precision.

The invention discloses a printer feeding device. The printer feeding device comprises a door-shaped frame, wherein an upper dust-sticking roller and a lower dust-sticking roller are arranged in the door-shaped frame, the axes of the upper and the lower dust-sticking rollers are distributed on two parallel vertical planes; a static-removing roller is further arranged in the door-shaped frame; thestatic-removing roller is parallel to the axis of the lower dust-sticking roller; and the upper dust-sticking roller, the lower dust-sticking roller and the static-removing roller all can rotate around the axes. In the invention, the dust-sticking rollers can quickly remove fine particles, impurities, dusts and the like on the surface of paper; the static-removing roller can effectively eliminatethe static generated during the dust removing process of the paper, and cooperates with the lower dust-sticking roller to play a role of stretching, so that paper does not cockle after the dust removal; the finished product ratio of printing products is improved; downtime for cleaning equipment is shortened; defective percentage and paper waste are reduced; the structure is simple; and the deviceis convenient to use.

The invention discloses a modified material capable of improving the structural strength of a waterproof sheet and a waterproof sheet production line capable of improving the production efficiency andthe production quality. The production line comprises a reinforcement fabric collection and storage device, a pre-impregnation device, a dip tank, a laminating device and a cooling and drying device,wherein a reinforcement fabric offset adjustment mechanism is formed on the reinforcement fabric collection and storage device through two groups of round reinforcement fabric conveying rolls, two groups of round reinforcement fabric conveying rolls on the reinforcement fabric collection and storage device comprise a round conveying roll group and a round adjusting roll group, the round conveyingroll group comprises two round conveying rolls, the round adjusting roll group comprises multiple staggered round adjusting rolls, and the diameter of each round conveying roll is larger than that ofeach round adjusting roll. The reinforcement fabric collection and storage device of the modified bituminous waterproof sheet production line is provided with a reinforcement fabric offset adjustmentrack capable of adjusting the levelness of reinforcement fabric, multiple staggered round adjusting rolls are arranged on the reinforcement fabric collection and storage device, the reinforcement fabric can be pulled up through vertically staggered and serially connected round adjusting rolls, and flatter transportation of the reinforcement fabric is ensured.

The invention provides a cervical vertebrae and lumbar vertebrae tractor with the health care function. The tractor comprises a back plate, a plurality of air vents, a tourmaline flake, a waistband, acorset belt, a shaft sleeve, a neck pillow, a driving mechanism, a cervical vertebrae traction device and a hand wheel; the tourmaline flake is embedded in the middle of the back plate; the waistbandis fixed to the lower side of the back plate in a riveted connection mode; the corset belt is fixed to the upper side of the back plate in a riveted connection mode; the shaft sleeve is fixed to theupper side of the back part in a threaded connection mode; the neck pillow is fixed to the upper side of the shaft sleeve in a sleeved connection mode; and the driving mechanism is fixed to the back part of the back plate in a bolt connection mode. By arranging the air vents, the tourmaline flake and the cervical vertebrae traction device, the tractor solves the problems that an existing cervicalvertebrae and lumbar vertebrae tractor is simplex in function, has poor adaptability, is provided with a small amount of air vents on the back part, only can be used for conservative treatment and hasthe simplex effect.

The invention discloses a waterproof thermal insulation outer wall of a civil building and a construction method of the waterproof thermal insulation outer wall, and relates to the technical field of building outer wall design. The waterproof thermal insulation outer wall comprises a wall body, a plurality of thermal insulation plates arranged on the wall body and a plurality of mounting frames arranged on the sides, away from the wall body, of the thermal insulation plates, a connecting position between every two vertically adjacent thermal insulation plates is covered by the mounting frames; mounting pieces used for connecting the adjacent mounting frames are arranged between every two vertically adjacent mounting frames, hoisting assemblies used for connecting the adjacent mounting frames are arranged on each row of thermal insulation plates, each hoisting assembly comprises connecting ropes and a plurality of connecting pieces arranged at intervals in the length direction of a connecting rope, and the connecting pieces are connected with the connecting ropes and the corresponding mounting frames; the upper end of the connecting rope is fixedly connected with the upper end of the wall body, a fixing frame is arranged on the side, away from the wall body, of the thermal insulation plate close to the ground, and a fixing piece used for fixing the fixing frame is arranged between the fixing frame and the wall body. The waterproof thermal insulation outer wall of the civil building and the construction method of the waterproof thermal insulation outer wall has the effect of improving the connection strength between the thermal insulation plate and the wall body.

The invention discloses a ligament stretching device for aerobics training, which comprises a base. A traction seat is arranged at one end of the base, a cushion is arranged at the other end of the body, a sliding groove is reversely formed in the base along the length direction, the traction seat is arranged in the sliding groove in a sliding manner, a traction mechanism used for driving the traction seat to be away from the cushion is arranged between the sliding groove and the traction seat, a grip is arranged on the side wall of the traction seat, positioning frames are arranged on the twosides of the base, a positioning rod is arranged on the positioning frame in the length direction, the positioning rod is arranged on the positioning frame in a rotating mode, a plurality of abuttingidler wheels with gradually-increased diameters are arranged on the positioning rod in a sliding mode, the abutting idler wheels are eccentrically arranged on the positioning rod, a locking piece used for limiting sliding of the abutting idler wheels is arranged on the positioning rod, and a driving piece used for driving the positioning rod to rotate is further arranged on the positioning frame.The device can assist in exercising and stretching of side-by-side stretching and knee bending, and the exercising and stretching effect is improved.

The invention relates to the field of water conservancy, in particular to aquatic plant removing equipment. Aquatic plants can be cut off in four directions, and cleaned, filtered and dried and then smashed into particles, animal feed can be prepared in the later period, and full utilization is achieved. The equipment comprises a mowing device, a feeding device, a cleaning device, a smashing device, a housing weldment A, a housing weldment B. A motor is started to drive a gear B, a double-gear A is made to rotate, a motor rotating shaft is made to rotate, a rotating plate is made to rotate, a sliding block slides in a sliding groove of a sliding block fixing disc, and a cutting blade is driven to slide up and down and left and right, so that the effect of cutting off the aquatic plants in the four directions is achieved; a double-gear C drives a double-gear D to rotate and drives a cam to rotate, so that a cleaning screen moves up and down; an overturning stop block blocks the cleaning screen to enable the other side of the cleaning screen to rise, the aquatic plants slide down, the gear C rotates, a connecting plate B rotates, and a cutter connecting shaft moves along a notch of a crushing frame; and when a smashing cutter A moves forwards and is tangent to a smashing cutter B, the function of cutting the aquatic plants is achieved.

The invention relates to a folding row table, which comprises a plurality of table units, wherein each table unit comprises a table top and a drawer plate, the bottom of the table top is provided withan accommodating groove, the drawer plate is vertically and adjustably mounted in the accommodating groove through a lifting device, a table foot group is rotatably assembled on the side wall of theaccommodating groove, a table foot driving device is further mounted on each table unit, any two adjacent table units are hinged and connected through a first hinge or a second hinge, and the first hinge and the second hinge are alternately arranged along the extending direction of the row tables; and the folding row table further comprises handrail driving devices arranged at the two ends, each handrail driving device is hinged to the table units at the two ends respectively, and each handrail driving device comprises a receiving module, a control module, a driving roller module and a power supply module. By adopting the folding row table provided by the invention, the row table not only has the conventional storage function of a common row table, but also can be folded, so that the specification and the volume of the row table are reduced, and the carrying and the direction adjustment of the row table are facilitated.

The invention discloses a liftable single-track bridge erecting machine. The liftable single-track bridge erecting machine comprises a base; a counterweight block is arranged at the left end of the upper side of the base; a first motor is arranged on the right side of a control console; a connecting roller is arranged on the right side of the first motor; a steel wire rope is wound on the connecting roller; a supporting pipe is arranged at the upper end of the right side of the counterweight block; racks are arranged at the left and right ends of the interior of the supporting pipe; a connecting block is arranged at the lower end between the racks; a telescopic rod is arranged on the upper side of the connecting block; a supporting plate is arranged on the upper side of the telescopic rod;a reinforcing frame is arranged on the upper side of the supporting plate; a top plate is arranged on the upper side of the reinforcing frame; an electric telescopic rod is arranged at the right endof the lower side of the supporting plate; rollers are arranged on the lower side of the electric telescopic rod; a slide groove is formed in the lower side of the supporting plate; a third motor is arranged on the left side of the slide groove; a lead screw is arranged on the right side of the third motor; slide blocks are arranged at the left and right ends of the lead screw; clamping rods are arranged on the lower sides of the slide blocks; and projections are arranged at the lower ends of the left and right sides of the clamping rods. According to the liftable single-track bridge erectingmachine, the movement of equipment and connection between bridge bodies can be effectively made convenient; convenience is provided for people and the use of the equipment; and the utilization rate ofthe equipment is increased.

The invention discloses a gripper for a mobile robot, a robot arm and the mobile robot. The gripper comprises a bottom plate. The bottom plate and a mechanical arm of the mobile robot are fixed, and the bottom plate rotates along with rotation of the mechanical arm. At least one mechanical finger is fixed to the bottom plate, and the mechanical fingers rotate under rotation of the mechanical arm so as to stir a door handle or a valve handle or a valve hand wheel. A finger elastic sheet with a protrusion is arranged on the inner side of each mechanical finger, the mechanical fingers can penetrate the door handle through the elastic function of the finger elastic sheets, the protrusions are used for fixing and limiting the door handle, the door handle is opened better, and meanwhile the fixing manner of the elastic sheets can guarantee elastic sheet fixing and can also achieve the telescopic effect.

The invention provides a flat filament drafting hot air chamber which comprises a chamber body. A cover body is buckled on the top of the chamber body. A flat filament inlet and outlet are formed in the side wall of the chamber body, and the inlet and outlet are formed in the same straight line; a plurality of parallel infrared heating lamps are installed at the side, close to the inlet, of the interior of the chamber body, an electric heating panel is installed at the side, close to the outlet, inside the chamber body, and a fan is installed above the electric heating panel; the air outlet direction of an air outlet of the fan is parallel to the conveying direction of flat filaments, and the axial direction of the infrared heating lamp is perpendicular to the conveying direction of the flat filaments; the electric heating panel, the fan and the infrared heating lamp are electrically connected with a power supply through wires; a support for installing the electric heating panel, the fan and the infrared heating lamp is welded to the interior of the chamber body, the support and the inner side wall of the chamber body are fixedly welded, and the electric heating panel, the fan andthe infrared heating lamp are fixedly connected to the support through bolts. The chamber has the advantages that the heating effect is better, and the flat filaments are heated more uniformly.

The invention provides a four-in-one winding machine with forward and reverse winding functions, and belongs to the technical field of winding machines. The four-in-one winding machine comprises a base, a concentric-square-shaped frame is fixedly mounted in the middle of the right end of the base, a driving device is arranged in an inner cavity of the concentric-square-shaped frame, a groove is formed in the middle of the upper end of the base, a sliding deviation rectifying device is arranged on the groove wall of the groove, a fixing plate is fixedly installed on the rear portion of the upper end of the base, supporting frames are fixedly installed on the left side and the right side of the upper portion of the front end of the fixing plate respectively, a winding device is arranged at the upper ends of the two supporting frames jointly, a coiled material is movably connected to the outer surface of the winding device, and a vertical plate is fixedly installed on the left portion of the upper end of the base. A sliding groove is formed in the right end of the vertical plate, a sliding stretching device is arranged on the groove wall of the sliding groove, the winding machine has the forward and reverse winding functions, the surface friction winding function, the center winding function and the center and surface friction winding function, and the functionality of the winding machine is improved.

The invention discloses a multifunctional table used for a hotel. The table comprises a supporting base and a table top arranged on the supporting base. A telescoping support column is connected between the supporting base and the table top. The support column comprises a plurality of sleeves which are sleeved with each other in sequence. The table top comprises a plurality of sectors which are spliced together. Each sector is fixedly connected with one sleeve. The lengths of sleeves reduce in sequence from inside out. The table can be changed into a desk or a storage rack according to requirement of a hotel, and the table is convenient to use.

The invention relates to a crutch, in particular to a telescopic underarm crutch. The telescopic underarm crutch comprises a supporting part, first supporting rods, a second supporting rod, a third supporting rod and a hand-held rod, wherein the number of the first supporting rods is at least two, each first supporting rod is provided with a plurality of locating holes and spring pins corresponding to the locating holes, the second supporting rod is in the shape of Y, the lower end portion of the second supporting rod is provided with a plurality locating holes and spring pins corresponding to the locating holes, the hand-held rod is connected with the lower end portions of the first supporting rods, the upper ends of the first supporting rods are fixedly connected with the supporting part, the lower ends of the first supporting rods are arranged on the upper end portion of the second supporting rod in a sleeved mode, and the third supporting rod is arranged on the lower end portion of the second supporting rod in a sleeved mode. The telescopic underarm crutch has the advantages that through locating of the locating holes of the first supporting rods and the locating holes of the second supporting rod, the telescopic effect of the crutch is achieved.

The invention discloses a broken filament preventing device suitable for twisting a multi-F high-elasticity yarn and a twisting method thereof, and relates to the technical field of textiles. The broken filament preventing device particularly comprises a holding bottle, a tension cap assembly and a broken filament eliminating mechanism, a spinning thread body is wound on the surface of the holdingbottle, and the tension cap assembly is arranged at the top of the holding bottle. A driving motor is connected to the middle of the bottom surface of the holding bottle, an ironing roller shaft is connected to the end, close to the vertical central axis of a threading channel, of an elastic spring, and steam conveying pipes are arranged above and below the ironing roller shaft correspondingly. According to the broken filament preventing device suitable for twisting the multi-F high-elasticity yarn and the twisting method thereof, the stretching degree of the untwisted spinning thread body can be improved through a ceramic opening, the broken filament generation rate is decreased, broken filaments generated by the twisted spinning thread body can be ironed and eliminated through the ironing roller shaft, and therefore the quality of the spinning thread body is improved; and the steam conveying pipes convey humid steam into the threading channel so that the spinning thread body can beprevented from being fused at the high temperature.

The invention discloses an electric power grounding post for electric power engineering. The electric power grounding post comprises a grounding post, wherein a positioning mounting disc is welded atthe top of the grounding post, the top of the positioning mounting disc is in threaded connection with a mounting sleeve, a first grounding cone is welded at the bottom of the grounding post, the interior of the grounding post is hollow and is fixedly provided with an internal threaded limiting disc, a positioning lifting sleeve with external threads is movably inserted into the grounding post, the interior of the positioning lifting sleeve is of a hollow structure, the positioning lifting sleeve spirally penetrates through a center through hole of the internal threaded limiting disc, the bottom of the positioning lifting sleeve movably penetrates through the first grounding cone to be connected with a second grounding cone, the interior of the second grounding cone is of a cavity structure, and the interior of the positioning lifting sleeve is communicated with the cavity of the second grounding cone. According to the invention, the structure of the existing grounding post is improved, so that the grounding post can be inserted into the ground firmly, early-stage and late-stage good use is facilitated, manpower is reduced, and the working efficiency is improved.