257results about How to "Reduce dumping" patented technology

The utility model discloses a water wave impact resistant buoy which comprises buoyancy cylinders, buoy cylinders, reflective stripes, water wave impact resistant components, buoyancy plates, buoyancy balls and fillers, elastic pads are fixedly connected between the two buoy cylinders and the buoyancy cylinders, and the reflective stripes are mounted on the two buoy cylinders respectively. The water wave impact resisting assembly is installed between the buoyancy cylinder and the two buoy cylinders, the buoyancy plate is detachably connected to the bottom end of the buoyancy cylinder, the buoyancy ball is detachably arranged at the bottom end of the buoyancy plate, an installation base is arranged among the buoyancy cylinder, the buoyancy plate and the buoyancy ball, and a cavity is formed in the buoyancy ball. According to the water-wave-impact-resistant buoy, through cooperation of the buoyancy cylinder, the reflective strips, the water-wave-impact-resistant assembly, the buoyancy plate, the buoyancy ball, the filling body and the like, the stability of navigation-aid marking of the buoy cylinder on the water surface is improved, and compared with the prior art, charging and replacement of a motor do not need to be considered; therefore, the influence of external factors on the normal use of the buoy cylinder is reduced.

According to the technical scheme, the green energy-saving type fabricated building wall component is characterized by comprising a wall body internally provided with a steel bar frame, a plurality of connecting holes matched with reserved steel bars in an inserted mode are formed in the bottom of the wall body, guide sleeves are slidably arranged in the connecting holes, and locking mechanisms are arranged at the ends, located in the connecting holes, of the guide sleeves; a driving mechanism for driving the locking mechanism to lock the reinforcing steel bar is arranged in the connecting hole; the pouring hole set is formed in the side face of the wall body and corresponds to the connecting hole in position, and the pouring hole set, the guide sleeve and the connecting hole communicate with one another; the guide sleeve is arranged in the connecting hole in a sliding mode, the guide sleeve can extend out of the wall body, convenience is provided for observation and adjustment of the position of the positioning hole in the installation process, and therefore the requirement that installation personnel need to observe the position of the inserting hole with the help of additional tools is reduced, and the efficiency of adjusting the position of the connecting hole by workers in the hole alignment process is improved.

The invention relates to a disc stacking machine, and relates to the technical field of automatic logistics equipment, the disc stacking machine comprises a first side frame and a second side frame, the first side frame and the second side frame are arranged in a spaced mode in the horizontal direction, and carrying devices are arranged on the opposite sides of the first side frame and the second side frame; the opposite sides of the first side frame and the second side frame are each provided with a plurality of alignment roller sets, and alignment spaces for containing trays are formed among the multiple alignment roller sets. The aligning roller set comprises a fixing plate, a first roller and a second roller, the first roller and the second roller are arranged in the vertical direction and connected with the fixing plate, and the first roller and the second roller are arranged in the horizontal direction in a spaced mode and form an insertion space. A synchronous driving device is arranged on the fixing plate, the fixing plate is rotationally connected with the synchronous driving device, and the synchronous driving device is arranged on the corresponding first side frame or the second side frame. Stacked trays can be arranged, the possibility that the trays topple over is reduced, and the working efficiency of an automatic logistics system is improved.

The invention discloses a metal sheet carrying device and belongs to the technical field of sheet carrying, the metal sheet carrying device comprises a cross beam, the top of the cross beam is fixedly connected with two pieces of supporting steel, the tops of the two pieces of supporting steel are fixedly connected with hanging steel, the tops of the hanging steel are fixedly connected with hanging rings, and the front end and the rear end of the cross beam are provided with adjusting mechanisms. An adsorption mechanism is installed on the top of the cross beam, and a rotating mechanism is installed on one side of the adjusting mechanism. By designing the adjusting mechanism, the adsorption mechanism and the rotating mechanism, a metal sheet can be adjusted according to the width of the sheet during carrying work, the edge of the sheet can be better attached by adjusting the distance between suction cups, the suction force is increased, the risk of slipping or falling in the carrying process is reduced, and the safety is improved; the metal iron plate side-standing carrying device can carry metal iron plates in a side-standing mode, effectively utilizes the vertical space, can carry the metal iron plates more flexibly especially in a narrow working environment, and improves the use efficiency of the space.

The utility model relates to a high-strength cement telegraph pole, which belongs to the field of telegraph poles and comprises a base and a telegraph pole body fixedly mounted at the top of the base, a fixing component is mounted on the base, a protective component is mounted on the base, and the fixing component comprises a mounting frame fixedly mounted at the bottom of the base. A movable plate is slidably connected into the mounting frame, a plurality of inserting rods are fixedly mounted at the bottom of the movable plate, two mounting rods are fixedly mounted at the top of the movable plate, and limiting blocks are fixedly mounted at the tops of the two mounting rods. According to the high-strength cement telegraph pole, by installing the fixing assembly, when the telegraph pole is installed, the base is installed more firmly through the multiple sets of inserting rods, the situation that the telegraph pole is not firmly installed and topples over is reduced, the telegraph pole installation quality is improved, potential safety hazards are reduced, by installing the protection assembly, certain protection is provided for the telegraph pole, and the safety of the telegraph pole is improved. And the service life of the telegraph pole is prolonged.

The invention discloses lightweight aggregate based on ardealite and multi-source solid waste as well as a preparation method and a utilization method of the lightweight aggregate, and aims to solve the problems of low utilization rate of the ardealite and the multi-source solid waste, high energy consumption and high carbon emission of a utilization scheme, insufficient long-term water stability of a recycled product and the like in the prior art. The phosphogypsum and the multi-source solid waste are gelatinized by using the alkali activator, so that the solid waste generates viscosity to form a polymerized gel material, and the gelatinization process is realized by using the activity of the industrial solid waste, so that the lightweight aggregate with high strength and good performance is obtained. And meanwhile, the lightweight aggregate is classified in a cascade manner according to different strength grades of the lightweight aggregate, so that the practicability of the recycled product is improved.

The utility model relates to the technical field of sterilization, in particular to high-temperature sterilization equipment for processing prefabricated vegetables, which comprises a high-temperature tank, a cooling component, a high-temperature sterilization component and a moving frame, one end of the high-temperature tank is connected with the cooling component and the high-temperature sterilization component, and one side of the back of the cooling component and one side of the back of the high-temperature sterilization component are connected with a limiting frame. A hollow basket is connected to the interior of the high-temperature tank, a moving frame is connected to the interior of the hollow basket, a PLC is connected to one side of the upper portion of the exterior of the high-temperature tank, supporting frames are connected to the two sides of the lower end of the high-temperature tank, and the cooling assembly is composed of a cooling pipe, a first water pump and a first control valve. The high-temperature sterilization assembly is composed of a high-temperature pipe, a second water pump and a second control valve, a sleeving rod is arranged in the middle of the interior of the hollow basket, a plurality of sets of sliding grooves and moving wheels are formed in the exterior of the moving frame, a connecting sleeve is arranged in the middle of the interior of the moving frame, and a plurality of sets of pulling plates are connected to the interior of the moving frame and the exterior of the connecting sleeve.

The utility model belongs to the technical field of forest tree protection, and discloses a lodging-resistant protective support for fixing and stabilizing forest trees, which comprises a base, rivets are arranged in the base, a first support column is fixedly mounted at the top of the base, and a bolt is mounted outside the first support column. A first connecting rod, a second connecting rod and a round rod are pulled to move outwards along the interior of a connecting plate, meanwhile, a first fixing clamp is driven to unfold outwards, and a spring is extruded through the first fixing clamp and the connecting plate to be stressed and compressed, so that the size among the first fixing clamp, a first rubber pad and a forest tree is adjusted; when the outside of the forest is in contact with a second rubber pad and the inner side of a second fixing clamp, a handle is pulled outwards to drive a third connecting rod and a fourth connecting rod, so that the height of a second supporting column is adjusted, the situation of toppling or inclining during forest planting is reduced in the process, and the efficiency of protecting and fixing the forest by the equipment is improved.

The invention discloses a safety warning device for constructional engineering management and a using method thereof, and belongs to the technical field of constructional engineering management.The safety warning device comprises a fixed bottom box and a supporting box body, mounting covers are arranged at the two ends of the supporting box body, and warning placards are arranged on the mounting covers; a plurality of connecting bolts are arranged between the warning placard and the mounting cover body, two rotating rods are symmetrically arranged in the top and the bottom of the supporting box body, two transmission belt pieces are symmetrically arranged between the rotating rods located on the same vertical line, and a scraper piece is arranged between the transmission belt pieces; a driving piece is arranged between the top position of the mounting cover body and the rotating rod, and a supporting partition plate is arranged in the middle position between the mounting cover bodies. According to the safety warning device, through cooperative use of the scraper part, the reinforcing side plate and other parts, the warning placard can be conveniently cleaned, the warning effect is guaranteed, meanwhile, the overall stability of the safety warning device can be improved, and the probability of toppling is reduced.

The utility model discloses a self-limiting weighing sensor which comprises a body and further comprises a supporting ring, the body is located on the supporting ring, a locking hole is formed in the side wall of the supporting ring, a locking bolt is rotationally installed in the locking hole, and the insertion end of the locking bolt abuts against the surface of the body. The supporting ring is arranged at the bottom end of the body, the body and the supporting ring are installed into a whole, and the possibility that the sensor topples over is reduced through the flat bottom face of the supporting ring; and meanwhile, the fixing frame is arranged, so that the supporting bridge ring sleeves the upper half part of the body and can be matched with the supporting ring to stably support the body.

The invention discloses an energy storage container device. Belongs to the technical field of energy storage containers and comprises a first container body and a second container body, an inserting mechanism is connected between the first container body and the second container body and comprises a fastening plate, four inserting rods and a first limiting rod, and the top and the bottom of the fastening plate are each fixedly connected with the four inserting rods; and two first limiting rods and two second limiting rods are fixedly connected to the two sides of the fastening plate correspondingly, the first limiting rods and the second limiting rods are slidably sleeved with guide frames correspondingly, and a supporting mechanism is installed at the bottom of the first box body. The first box body and the second box body can be conveniently spliced through the inserting mechanism, the spliced first box body and the spliced second box body do not occupy the redundant space on the ship, the situation that due to the fact that the space on the ship is limited, many first box bodies and second box bodies cannot be placed is avoided, many first box bodies and second box bodies can be conveniently placed, and the ship is convenient to use. And the first box body and the second box body which are spliced are connected more stably and are not easy to loosen.

The utility model discloses a container type station house with an anti-toppling auxiliary supporting structure, which comprises a container body, a water quality monitoring station house main body structure and a water quality monitoring station house main body structure, the roof plate is mounted at the upper end of the container body and is used for guiding rainwater at the upper end of the container body; an opening flush with the opening in the bottom end of the roof plate is formed in the upper end face of the container body. According to the container type station house with the anti-toppling auxiliary supporting structure, the container body is formed by welding the rectangular house, the opening formed in the upper end of the container body and the mounting cover are preliminarily mounted in a limiting mode, and the joint of the container body and the roof plate is of a concave-convex structure, so that the joint of the container body and the roof plate is in tight contact; and the limiting plate located at the bottom end of the container body synchronously wraps the contact position of the bearing base and the container body, and the situation that the external water vapor enters the container body is reduced.

The utility model relates to the technical field of grinding wheel production, in particular to a grinding wheel production feeding device which comprises a machine body, a driving mechanism and a connecting assembly, the driving mechanism is arranged on the surface of the machine body, the driving end of the driving mechanism is located on the inner wall of the machine body, and a discharging mechanism is arranged on the side of the driving mechanism. The side surface of the machine body is fixedly connected with a grip, rolling wheels are installed on the lower surface of the machine body, the connecting assembly is arranged at the connecting position of the driving mechanism and the discharging mechanism and comprises a guide sleeve, a mounting hole is formed in a moving part of the driving mechanism, and the connecting assembly is fixedly connected with the inner wall of the mounting hole. Through the arrangement of the connecting assembly, the structural strength between the discharging mechanism and the driving mechanism is improved, then the problems that when equipment is only supported by an air cylinder, the supporting structure is single, and the air cylinder is prone to being damaged are solved, and the service life of equipment parts is further prolonged.

The invention provides a protection structure of an urban road intelligent lamp pole, and relates to the technical field of lamp pole protection, the protection structure comprises a supporting main pole, a camera and a noise detector, the lower surface of the supporting main pole is fixedly connected with a second connecting positioning rod, and the upper surface of the supporting main pole is fixedly connected with a first connecting positioning rod and is provided with two groups of gutters; a rubber protective sleeve is arranged on the annular side face of the supporting main rod, a limiting block is fixedly connected to the lower surface of the second connecting positioning rod, a fixing base is arranged below the second connecting positioning rod, and a second fixing sleeve is fixed to the surface of the second connecting positioning rod. Two pairs of supporting and positioning rods rotationally arranged on the surface of a second fixing sleeve are attached to the upper surfaces of the fixing base and the two supporting and connecting bases, and clamping plates rotationally connected with the lower surfaces of the two pairs of supporting and positioning rods are in threaded fixation with the fixing base and the two supporting and connecting bases through second fixing screws arranged on the clamping plates. And the two pairs of supporting positioning rods are arranged to further stabilize the second connecting positioning rod, and the bearing capacity of the lamp post is effectively improved through the overall structure.

The utility model discloses a container double-arm forklift which comprises a forklift frame, and the part, close to the tail of the forklift, of the forklift frame is provided with a supporting tilting part. The forklift further comprises a lifting assembly, the lifting assembly comprises telescopic cargo booms, the fixed ends of the telescopic cargo booms are hinged to the top of the supporting tilting part, fork frame assemblies are fixedly installed at the telescopic ends of the telescopic cargo booms, and the telescopic cargo booms are symmetrically installed on the two sides of a cab of the forklift respectively. The cylinder barrel end of the first oil cylinder is hinged to the middle of the supporting tilting part, and the telescopic end of the first oil cylinder is hinged to the bottom of the telescopic cargo boom; the cylinder barrel end of the second oil cylinder is hinged to the frame, and the telescopic end of the second oil cylinder is hinged to the bottom of the telescopic cargo boom; and the top of the supporting tilting part is positioned above a rear wheel of the forklift.

The utility model discloses a constructional engineering safety fence which comprises a base, two supporting rods are fixedly arranged on the base, a transverse plate is fixedly connected between the two supporting rods, two limiting frames are fixedly arranged between the transverse plate and the base, a moving chamber is arranged in one supporting rod, a two-way screw rod is rotationally arranged in the moving chamber, and the two-way screw rod is fixedly connected with the transverse plate. The upper end of the two-way screw penetrates through the supporting rods to be fixedly connected with a rotating handle, two L-shaped fixing blocks are connected to the two-way screw in a threaded mode, moving grooves matched with the fixing blocks are formed in one side of one supporting rod, and two fixing grooves matched with the fixing blocks are formed in one side of the other supporting rod. Two adjacent safety fences can be quickly connected and mounted, the whole process can be completed by rotating the rotating handle, a worker does not need to use a professional tool to screw a plurality of screws, the working time is saved, and the working efficiency of mounting and dismounting the safety fences is improved.

The utility model discloses an earth surface thermometer mounting rack which comprises a base, a rotating disc is fixedly arranged at the upper end of the base, a first supporting frame is fixedly arranged on the rotating disc, a fixing structure is arranged on the first supporting frame, and the fixing structure comprises a fixing block, a threaded rod and a sliding rod. The threaded rod is rotationally connected with the fixing block through a bearing, and the thermometer is fixed through a fixing structure; the lower end of the base is fixedly provided with a supporting structure, the supporting structure comprises a sleeve, an extension rod and a supporting block, the sleeve is fixedly arranged at the lower end of the bottom plate, the interior of the sleeve is hollow, the extension rod is arranged in the sleeve, and the supporting block is arranged on the extension rod and rotationally connected with the extension rod; a puncture needle is arranged on one side of the supporting block, and the installation height of the thermometer is adjusted through the supporting structure.

The utility model discloses a stacking assembly for plastic kettle processing, and relates to the technical field of plastic kettle processing. The device comprises a plurality of placing plates, the upper side of each placing plate is fixedly matched with a fixed plate and a plurality of first arc-shaped plates, the upper side of each placing plate is elastically and slidably matched with two sliding blocks, one side of each placing plate is slidably matched with a sliding plate, and one side of each sliding plate is fixedly matched with a plurality of second arc-shaped plates. Through the arrangement of the second arc-shaped plate, the sliding plate drives the second arc-shaped plate to slide towards the plastic kettle body under the action of the rotating plate, and the plastic kettle body is positioned on the inner side wall of the first arc-shaped plate through the inner side wall of the second arc-shaped plate; on one hand, the problem that the plastic kettle body topples due to vibration is reduced, and on the other hand, the plastic kettle bodies of different sizes can be conveniently fixed, so that the plastic kettle bodies are more convenient to stack.

This utility model relates to the technical field of Karl Fischer moisture analyzers and discloses a Karl Fischer moisture analyzer with rapid reagent replacement. It includes an instrument body, an anode chamber slidably connected to the inner wall of one side of the instrument body, a cathode chamber slidably connected to the top of the anode chamber, a telescopic assembly fixedly connected to the inner top wall of the cathode chamber, a filter membrane fixedly connected to the bottom end of the telescopic assembly, a support shell sleeved on the back of the instrument body, a fixed cover fixedly connected to the inner top wall of the support shell, and a winding assembly snapped into the inner wall of the fixed cover. The telescopic assembly includes a telescopic spring fixedly connected to the inner top wall of the cathode chamber. This Karl Fischer moisture analyzer with rapid reagent replacement, through the telescopic assembly, achieves convenient replacement of the solutions and reagents inside the cathode and anode chambers, reducing the workload of workers emptying waste liquid and improving the working efficiency of the Karl Fischer moisture analyzer.

The utility model relates to the technical field of engineering surveying and mapping equipment, in particular to an auxiliary fixing structure of surveying and mapping equipment for surveying and mapping engineering, which comprises a lower half support arm, and the bottom end of the lower half support arm is inserted into the top end of a connecting piece; by means of the adjustable structure of the upper half supporting arm and the lower half supporting arm, the supporting arm can be directly inserted into the ground or obliquely inserted into the ground, the supporting arm can be conveniently fixed to the ground, the supporting arm can be relatively conveniently fixed according to different land forms, the efficiency of installing and fixing the supporting frame is improved, and the supporting frame is helped to be fixed to the ground through the auxiliary fixing piece; the situation that equipment is damaged due to the fact that the supporting frame topples over due to external reasons when a surveying and mapping person observes the site situation and is not supported by the surveying and mapping person is reduced.

The utility model belongs to the technical field of thin layer chromatography, and particularly relates to a thin layer plate angle adjusting and fixing device which comprises a thin layer chromatography cylinder, a first supporting rod is arranged in the thin layer chromatography cylinder; a second supporting rod is slidably connected into the first supporting rod. A spring is fixedly connected into the first supporting rod. In the step, through the arrangement of a first supporting rod, a second supporting rod and a spring, the thin-layer plate is obliquely placed in the thin-layer chromatography cylinder and can be adjusted according to the placing positions of the thin-layer plates with different sizes, the first supporting rod and the second supporting rod, and the placing angle of the thin-layer plate is adjusted through a layer plate adjusting assembly on the first supporting rod; the adaptability of the device in use is improved, the problem that the thin-layer plate falls down in the experiment due to the improper placement position is reduced, the convenience of chromatography experiment operation is improved, and the situation that the experiment fails due to the falling of the thin-layer plate is reduced.

The utility model relates to corrugated paper drying equipment, and belongs to the technical field of dust removal equipment, the corrugated paper drying equipment comprises a drying bin, an exhaust fan is mounted on the drying bin, heating coils are mounted on the two sides in the drying bin, and a placing plate is arranged in the drying bin; a driving assembly used for driving the containing plate to slide in the drying bin is installed on the containing plate, a blowing assembly used for blowing heat generated by the heating coil to one side of the containing plate is arranged in the drying bin, and a fixing frame is arranged above the containing plate. A connecting mechanism for connecting the fixing frame and the placing plate is arranged between the fixing frame and the placing plate, and a fixing assembly for fixing a corrugated board between the fixing frame and the placing plate is arranged on the placing plate. The corrugated board drying device has the effect that corrugated paper in a corrugated board can be well dried.

The utility model discloses a safe electric pot furnace which comprises a support, a stabilizing mechanism is arranged above the support, a disaster prevention device is connected to the upper portion of one side of the support, a workbench is arranged above the stabilizing mechanism, a temperature measuring assembly and a weight measuring assembly are arranged at the upper end of the workbench, and the temperature measuring assembly and the weight measuring assembly are arranged on the upper portion of the workbench. The electric pot furnace has the advantages that the electric pot furnace is novel in structure, the dampers and the first springs are matched with one another to buffer the electric pot furnace, and accordingly the electric pot furnace can be prevented from toppling over; by arranging the temperature measuring assembly and the weight measuring assembly, dual protection of the electric pot furnace is achieved, and the use safety of the electric pot furnace is improved.

The invention discloses a waste stripping machine capable of automatically adjusting according to different layouts, and relates to the technical field of waste stripping machines, comprising a machine body, on which a hydraulic rod a, a hydraulic rod b and an ejector rod are installed, and the telescopic ends of the hydraulic rod a and the hydraulic rod b are respectively fixedly installed with a mold plate and a pressing plate, and also comprises a sorting mechanism, the sorting mechanism comprises a motor fixedly installed on the pressing plate, a worm is fixedly connected to the output shaft of the motor, a worm gear is meshedly connected to the worm, a gear roller is fixedly connected to one side of the worm gear, a rack is meshedly connected to one side of the gear roller, and a straightening and pressing assembly is installed on the rack, and a first straightening and pressing plate located on both sides of a paper product limits and presses the paper product, so that the stacked paper products are vertically aligned and ejected while maintaining the aligned posture, thereby ensuring that the ejecting force applied by the ejector rod to the paper product coincides with the central axis where the center of gravity of the paper product is located, so that the paper product is stably stripped under the clamping of the ejector rod and the pressing plate.

The utility model belongs to the technical field of air purification equipment, and particularly relates to an acid mist purification device for zinc sulfate heptahydrate production. A placing groove is formed in the top end of the workbench; a purification cylinder is arranged at the top end of the workbench; an air inlet is formed in the side wall of the purification cylinder; the side wall of the purification cylinder is fixedly connected with an air suction pipe; the air suction pipe penetrates through the surface of the purification cylinder; the end part of the air suction pipe is fixedly connected with a negative pressure fan; the top end of the workbench is fixedly connected with a water tank; the top end of the water tank is rotationally connected with a cover body; the side wall of the water tank is fixedly connected with a water pump; through the arrangement of the purification barrel structure, acid mist generated during zinc sulfate heptahydrate production can be treated, toxic and harmful substances in smoke can be separated from gas, the purification degree of smoke is improved, and the influence of the smoke on the ecological environment is reduced.

The utility model relates to the technical field of hydraulic engineering construction tools, in particular to a farmland edge cofferdam device for hydraulic engineering construction. The fence comprises a pile rod, an inserting plate and a supporting rod, the pile rod and the inserting plate are alternately inserted to form a fence style, the two ends of the supporting rod are supported on the pile rod and an external fixing vertical face respectively, the supporting rod is a telescopic rod, side slots are formed in the left side and the right side of the pile rod, T-shaped heads are installed on the two side edges of the inserting plate, and the T-shaped heads are connected with the inserting plate. The inserting plate is inserted into the side slot, and the T-shaped head is clamped on the inner side face of the pile rod. The pile rod is used for being inserted into soil to fix and support the inserting plate to form a vertical wall, the supporting rod is used for laterally supporting the pile rod and the inserting plate, the toppling problem is reduced, the supporting rod is a telescopic rod, adjustment and supporting are convenient, the supporting rod is suitable for various supporting length requirements, the side opening seam is used for installing the inserting plate, the T-shaped head is used for fixing and tensioning, overall installation is convenient, and expansibility is high; the supporting stability is good.

The invention discloses a method for constructing an enclosure structure by adopting a hole pile method under a limited ground condition, which comprises the following steps of: constructing ground enclosure piles on the ground, arranging the ground enclosure piles along a first open excavation section and a second open excavation section, then constructing the first open excavation section and the second open excavation section, then constructing a pipe curtain support beam below a running track, and then constructing a pipe curtain, excavation is conducted from the first open excavation section and the second open excavation section to the direction, so that an underground excavation section is excavated, in-hole fender posts are constructed along the edge of the underground excavation section, in-hole piles are constructed at multiple positions of the ground of the underground excavation section, and steel pipe stand column piles are installed on the in-hole piles; and finally, a pile top beam is constructed on the steel pipe stand column pile, and a cover plate is installed on the pile top beam. According to the construction method, the ground fender posts are constructed firstly, then the in-hole fender posts are constructed when the underground excavation section is constructed, and the in-hole fender posts are connected with the ground fender posts to form a closed fender post structure, so that the safety of subsequent construction is guaranteed, the stability of a soil layer around the subway station is guaranteed, and meanwhile, the construction efficiency is guaranteed.