73results about How to "Vertical stability" patented technology

The invention discloses a construction method for piers, which comprises the following steps: (1) performing geological exploration, clearing stones at the river bottom, meanwhile integrally assembling an inner cofferdam support structure on a barge at other place, and assembling a drilling platform; (2) floating the inner cofferdam support structure in place, inserting and striking steel pipe piles and pile foundation steel casings of the drilling platform, mounting a connection tie between the steel pipe piles and the pile foundation steel casings of the drilling platform, hoisting the inner cofferdam support structure out of the barge, and hoisting and placing the inner cofferdam support structure on the connection tie in temporary place; (3) lowing the inner cofferdam support structure in place, and inserting and striking a steel plate pile cofferdam; (4) hoisting the drilling platform to the pile foundation steel casings in place, and mounting a drill on the drilling platform to drill holes; and (5) underwater absorbing mud and cleaning silt for the inner cofferdam support structure, underwater leveling the foundation, and pouring underwater bottom sealing concrete. The construction method changes scattered construction into integral construction, changes over-water construction into shore construction, and changes streamline construction into synchronous construction.

The invention relates to a building heat-insulating material, in particular to a steel wire obliquely cut steel wire mesh frame extruding polyphenylene plate. It is processed from extruding polyphenylene plate through processing slot, cutting in zinc coated wires, covering mild (zinc coated) steel wire mesh welded nodes and spraying interface treating agent. The invention has high insulating property, high compressive, tensile and shear strength and low water absorption and deformation, can be used for building with shear wall structure.

The invention relates to a method for operating a vehicle, wherein in order to decelerate the vehicle a braking device is activated, which comprises a parking brake as one element and a brake booster as a further element for activating a service brake of the vehicle, with the result that a braking force which decelerates the vehicle is generated by means of the braking device, wherein during the deceleration of the vehicle at least one of the elements of the braking device is controlled in such a way that the generated braking force varies over time. The invention also relates to a control device for a braking device of a vehicle, to a brake system for a vehicle, and to a computer program.

A stackable cooking apparatus is disclosed for cooking a food item. Also disclosed is a method of manufacturing the stackable cooking apparatus. The apparatus includes a lower vessel and an upper vessel mounted atop the lower vessel. The lower vessel, which can be disposed on the heated surface of a stove, includes a first top wall having apertures therethrough, and defines a first volume in the lower vessel. The upper vessel includes a second top wall free of apertures, and defines a second volume in the upper vessel. Food items to be cooked are placed on the first top wall so that the food item resides in the second volume. Heat from the heated surface rises into the first volume, through the apertures and into the second volume, to cook the food item therein. Means are provided for maintaining the vertical stability of the vessels when the vessels are stacked.

A dual-column office table includes two oppositely disposed stationary upright columns with a connecting rod transversely connected therebetween, two guiding columns separately disposed in the two stationary upright columns, at least one steel ball sleeve fitted on either guiding column, two driving units separately disposed in the two guiding columns, and a table top to which a top portion of each guiding column is fixedly connected. A bottom end of each guiding column is provided with a limiting structure protruding outward. A bottom end of the each driving unit is fixed to a respective table base provided at bottom portion of each stationary upright column. The table top has a bottom surface fixedly connected with a fixing seat and is provided with a lifting control switch, the lifting control switch being connected with the driving units and having an end disposed in the fixing seat.

The invention relates to a detection tool for detecting the jitter and verticality of brake assemblies. The detection tool comprises a base, a connection seat, a positioning disc, a movable measuring rod and two dial indicators. The detection tool further comprises a dial indicator calibration block independent component; the bottom surface of the base is an inclined plane; the connection seat and the movable measuring rod are arranged on the table surface of the base; the positioning disc is fixed to the connection seat; the positioning disc is provided with a first positioning bearing, a second positioning bearing and a third positioning bearing which enable three-point positioning; a pressing bolt is in slide fit with a T-shaped nut, so that the first positioning bearing can slide and be locked on the positioning disc, the second positioning bearing and the third positioning bearing are locked on the positioning disc through bolts at the inner peripheries of the second positioning bearing and the third positioning bearing; the rod portion of the movable measuring rod is provided with a plurality of mounting holes for adjusting the height of the dial indicators; two sides of the base of the movable measuring rod are provided with guide blocks; the movable measuring rod is locked to the base through bolts on the base; and the positioning disc can be in an inclined state through the bottom surface of the base, and the inner holes of a workpiece are obliquely pressed on the positioning disc and the second positioning bearing and the third positioning bearing, and the first positioning bearing slides, and therefore, the workpiece can be tensioned.

The invention provides a power box base with good stability, which relates to the technical field of power equipment. The power box base with good stability comprises a placing box; limiting seats arefixedly installed on the two sides of the inner wall of the placing box; a placing plate is slidably connected between the two limiting seats; rotating seats are fixedly installed on the two sides ofthe bottom of the placing plate; buffer rods are movably connected to the rotating seats; and the two buffer rods are fixedly connected through a telescopic spring. According to the power box base with good stability provided by the invention, through cooperation of the placing box, the limiting seats, the placing plate, the rotating seats, the buffer rods, the telescopic spring, a sliding seat,a sliding groove, a slider, a damping spring, a placing clamping plate and a power box body, the power box body transmits pressure to the telescopic spring and the damping spring through the placing plate and the buffer rods, and the telescopic spring and the damping spring can buffer a part of vibration after being stressed, so that the power box body can be placed stably and comprehensively, andthe stability of the power box base is good.

The invention discloses an overturning device for a soft bag production line and the soft bag production line. The overturning device for the soft bag production line comprises a soft bag connector clip, an connector base and an overturning shaft, wherein the soft bag connector clip is mounted on the connector base and can rotate around the overturning shaft so that the soft bag connector clip can be switched between a horizontal position and a vertical position; the overturning device also comprises a limiting locking device; when the soft bag connector clip is overturned to the horizontal position or the vertical position, the limiting locking device prevents the soft bag connector clip from overturning, so that the overturning device has the advantages of safety, reliability and stable operation. The soft bag production line disclosed by the invention comprises a connector tube loading mechanism, wherein connector tube loading mechanism comprises an annular conveyor belt, a horizontal overturning drive device, a vertical overturning drive device, and a plurality of groups of the overturning devices used for the soft bag production line. The soft bag production line disclosed by the invention has the advantages of safety, reliability, stable operation, high production efficiency and the like.

The wind power plant includes blades mounted on an annular pontoon. The pontoon is rotatable about a vertical axis. An energy converter is situated on a platform that is encircled by the annular pontoon. A kinematic mechanism is designed so as to be capable of transmitting the rotational energy of the annular pontoon to the receiving unit of the energy converter. The floating platform is equipped with positioning means that include at least six anchors located on the bottom of a body of water. The anchors are connected to the platform by flexible members and are offset in a direction opposite to the direction of rotation of the annular pontoon relative to the point at which the flexible member is attached to the platform. The technical result is an increase in the number of places where the wind power plants can be installed and an increase in electric power generation.

A dual-column office table includes two oppositely disposed stationary upright columns with a connecting rod transversely connected therebetween, two guiding columns separately disposed in the two stationary upright columns, at least one steel ball sleeve fitted on either guiding column, two driving units separately disposed in the two guiding columns, and a table top to which a top portion of each guiding column is fixedly connected. A bottom end of each guiding column is provided with a limiting structure protruding outward. A bottom end of the each driving unit is fixed to a respective table base provided at bottom portion of each stationary upright column. The table top has a bottom surface fixedly connected with a fixing seat and is provided with a lifting control switch, the lifting control switch being connected with the driving units and having an end disposed in the fixing seat.

An AGV (Automatic Guided Vehicle) laser scanning safety protection device includes a light emitting unit, a light receiving unit, a base, a rotary platform and screws. The AGV laser scanning safety protection device is characterized in that the rotary platform is connected with the lower part of the base through the screws, the light emitting unit is connected with the upper part of the base through the screws, and the light receiving unit is connected with the light emitting unit through the screws. The light emitting unit adopts a unique laser emitting optical path system, so that the lightemitting unit is more compact and smaller, and has more concentrated laser beam energy. The scanning reference calculation formula is corrected in real time through an optical reference plane. The measurement result is more accurate. The identification rate of black objects is improved. The center of gravity of four counterweights coincides with the rotation center of a reflector plate, which ensures the rotation stability of the rotary platform. The rotary platform keeps stable in the vertical plane of the rotation axis, so that it is ensured that the emitted laser is in the same plane, the internal stress of the rotary platform is reduced, and the service life of the rotary platform is increased.

The invention relates to a filter press filter plate handle with lubrication, loosening prevention, and shaft rotation prevention functions. The filter press filter plate handle has a lubrication function, a loosening prevention function and a shaft rotation prevention function. The filter press filter plate handle comprises a handle type roller frame; a double wheel groove type roller frame is arranged below the handle type roller frame; a trapezoidal groove type roller and a cylindrical roller are positioned in the roller frame on front and rear parts through a roller shaft; and a gap is formed at one end part of the roller shaft, and a platen is adopted to position the roller shaft. The filter plate handle has the advantages that: firstly, the defects of large friction force, difficultrolling and high wear between the rollers and a guide rail in the prior art are overcome; secondly, the rollers at the lower part of the filter plate handle are double wheels, so the verticality of the filter plate is steady, the phenomena of forward and backward tilting of the filter plate can be avoided, the work efficiency is ensured, and the filter plate is safe and reliable; and thirdly, thefilter plate handle has good anti-loosening effect, particularly effectively prevents loosening of large and heavy filter plates, and radically overcomes the defect that the filter plate is separatedfrom the guide rail.

A modular configurable mobile transport apparatus. A modular configurable mobile transport apparatus. The apparatus includes a first roller tip handle facing backwards for grasping the apparatus from behind providing horizontal stability for the apparatus and allowing the apparatus to be rolled on the first roller tip handle, a configurable backwards facing securing and storing portion for securing and storing one or more objects of varying widths to the back surface of the apparatus, a configurable backwards facing securing and storing portion for securing and storing one or more objects of varying widths to the front surface of the apparatus and a second roller tip handle facing forward for providing vertical stability for the apparatus and allowing the apparatus to be rolled on the second roller tip handle. The apparatus can be loaded with objects that are secured and stored on both the front side and back side of the apparatus and the apparatus can be rolled on its wheels and either of the first or second tip handles to allow easy movement and transport and insertion and removal into and out of vehicles.

The invention discloses delivery assistance equipment for side-lying position delivery, and relates to the technical field of the delivery assistance equipment. The delivery assistance equipment comprises a supporting rod, wherein the bottom end of the supporting rod is fixedly connected with the lower surface of the inner wall of a peripheral wrapping component; the lower surface of the peripheral wrapping component is fixedly connected with a sliding block; the sliding block is connected into a sliding groove formed in the upper surface of a horizontal displacement regulating sliding rail ina sliding way. According to the delivery assistance equipment for the side-lying position delivery, disclosed by the invention, through the matching of upper supporting foam, an inner side liner plate, a height lifting air spring, the peripheral wrapping component, the horizontal displacement regulating sliding rail and a placement groove, the horizontal displacement of the upper supporting foamcan be regulated, the upper supporting foam can be regulated to fit a position which is suitable for a doctor to operate and deliver under dual regulation and control, legs of a puerpera can be kept in a stable state for a long time under the action of the upper supporting foam and the inner side liner plate when the legs of the puerpera are put in the placement groove, and the delivering work bymedical workers can be more facilitated.

The invention discloses a multi-oil-cylinder synchronizing device. The device comprises a lifting oil cylinder, a threaded cap, a ball body, a top cover and a frame. The device is characterized in that the threaded cap in which the movable ball body is arranged is fixedly connected to the top part of the lifting oil cylinder; the top cover is fixedly connected to the lower end of the frame; the ball body and the threaded cap are arranged below the top cover; the ball body is arranged to the top cover and the lifting oil cylinder without clearances; a clearance is formed between the ball body and the surrounding of the threaded cap; another clearance is formed between the surrounding of the threaded cap and the top cover. When using in a lifting garage, the frame of the multi-oil-cylinder synchronizing device is fixed on the lower surface of a lifting cover plate; when lifting the garage, the ball body frictionally slides up and down and a certain clearance between the surroundings of the ball body is utilized to adjust a plurality of lifting hydraulic oil cylinders to move up and down and synchronous with guide rails of the lifting garage, and therefore, the garage can smoothly, vertically and safely run.

The air purification device comprises an air extractor and a filter box, the air extractor is communicated with one side of the filter box through an air extraction pipe, the end of an air exhaust pipe is provided and communicated with a bearing cylinder, the end of the bearing cylinder is provided with an air exhaust fan cover, and the filter box and the air exhaust fan cover are both installed in the textile workshop through a plurality of supporting columns. A plurality of filter assemblies used for filtering and collecting air impurities are installed in the filter box, a water storage tank is arranged below the exhaust fan cover, an atomization nozzle is installed on the lower side of the exhaust fan cover through an installation frame, a water pump is arranged at the bottom of the water storage tank and communicated with the atomization nozzle through a drainage pipe, and flowing air is formed in the textile workshop. The filter box filters impurities in air and accumulates the impurities in the filter assembly, the atomizing nozzle continuously sprays water mist, and the connecting rod pulls the ash removal folded plate, so that the accumulated impurities are scraped off from the blocking column, the impurities are quickly removed from the ash removal folded plate, and the working efficiency is improved.

The invention discloses a numerical control high-speed carving and milling machine of a bridge type elevated cross beam moving gantry. The numerical control high-speed carving and milling machine comprises a base, a left wall, a right wall, a cross beam, a front sliding seat, a rear sliding seat, a ram and a spindle. A workbench is arranged on the base, the left wall and the right wall are arranged on the base in parallel, and the workbench is located between the left wall and the right wall. The two ends of the cross beam are arranged on the left wall and the right wall, and horizontal moving pairs are formed by the two ends of the cross beam, the left wall and the right wall. The front sliding seat and the rear sliding seat are arranged in parallel, a horizontal moving pair is formed by the front portion of the front sliding seat and the cross beam, and a horizontal moving pair is formed by the rear portion of the rear sliding seat and the cross beam. The ram is located between the front sliding seat and the rear sliding seat, a vertical moving pair is formed by the front portion of the ram and the front sliding seat, and a vertical moving pair is formed by the rear portion of the ram and the rear sliding seat. The spindle is arranged on the lower portion of the ram and used for being provided with a carving and milling cutter. The numerical control high-speed carving and milling machine has the beneficial effects that due to the fact that the cross beam in the machine is supported by the left wall and the right wall, the down milling precision and the up milling precision of a workpiece are the same.

The invention relates to the field of foundation engineering construction, in particular to a pile sinking device. The pile sinking device comprises a construction platform connected with a walking mechanism, a pile sinking device body connected to the construction platform and an electricity box; a drilling device is arranged on the construction platform; a pile hanging unit which is suitable formoving a pile body to the pile sinking device body is arranged on one side of the pile sink device body; and the electricity box is connected with an external power source and provides electricity for the walking mechanism, the drilling device, the pile sinking device body and the pile hanging unit which are arranged on the construction platform. According to the pile sinking device, the structural design is reasonable, drilling equipment and pile sinking equipment are organically combined and improved and designed onto a same construction platform, and the problem that the mutual cooperatingefficiency of traditional two sets of equipment is low is solved; and the use is simple and convenient, the fault rate is low, the drilling-pile-pressing efficiency is effectively improved, meanwhile, an improved construction method is matched, the condition of hole collapse after a drilling rod is removed is avoided, the pile sinking success rate is greatly improved, efficient and sequential operation of pile pressing construction is ensured, and construction period delay caused by equipment fault is avoided.

The invention provides an automatic welding robot for a computer radiator, which includes a mounting structure; the mounting structure is connected and driven through a transmission structure on the rear side, and a rocker structure is slidably installed on the transmission structure; two places on the rocker structure Clamping structures are installed at the positions respectively, and a lifting structure is installed at the rear end of the rocker structure; a welding structure is installed at the end of the rocker structure, and the connecting shaft as a whole can directly drive the rocker structure during movement. The whole body moves left and right, and at the same time acts on the connecting shaft of the through hole on the vertical slide plate, so that the rocker arm structure can effectively complete the two actions of sliding left and right while being able to extend and retract. The rocker arm structure is equipped with a welding structure, and The small coil spring inside the welding head can drive the whole welding head to rebound, so that when the welding head is welding an uneven position, the uneven position can be effectively welded through the overall rebound effect of the welding head.

The invention belongs to the technical field of information retrieval and database structure, and discloses a long-lasting unmanned aerial vehicle urban emergency monitoring system and method, comprising an unmanned aerial vehicle fuselage, a battery, a power system and a sensor. The UAV fuselage is provided with a power supply battery, the power system is connected with the fuselage, and the UAVfuselage is provided with sensors. The precise vertical take-off and landing and hovering technology provided by the invention, and efficient data transmission, At last, each fix and mobile node is formed to be closely connected through that data link of the mounted relay or the ad hoc network, Emergency aerial video information transmission platform based on cooperative work, so as to achieve theexpected goals of high lift-off, long endurance, large payload, flexible maneuverability and wide coverage of unmanned aerial vehicles, and construct a set of high-bandwidth data transmission systemof unmanned aerial vehicle emergency aerial and ground information adapted to complex environment, in order to provide strong technical support for urban emergencies.

The invention relates to an automatic unhooking device for foundation treatment, and relates to unhooking devices. The automatic unhooking device comprises two vertical mounting plates, a connecting plate is fixedly connected between the two mounting plates, the connecting plate is fixedly connected to the upper side faces of the mounting plates, and the upper surface of the connecting plate is fixedly connected with a hanging ring for being hung on a crane jib. An arc-shaped lifting hook for hanging a rammer is arranged between the two mounting plates, the lifting hook is rotatably connectedto the mounting plates on the two sides around the axis of the lifting hook, and a driving assembly for driving the lifting hook to rotate is arranged between the two mounting plates. The automatic unhooking device has the effect that the situation that the rammer shakes in an unhooking process is avoided.

The invention relates to an anti-stamping type valve for agricultural irrigation. The anti-stamping type valve for agricultural irrigation comprises a valve body mechanism, a gate plate and a sealing connecting mechanism; a flow guide maintaining mechanism is installed in the valve body mechanism; the sealing connecting mechanism is installed on the upper end face of the valve body mechanism; an input connecting mechanism is installed on the inner side of the upper end of the sealing connecting mechanism; movable flow guide holes are formed in the inner side of the gate plate; flow guide maintaining mechanisms are slidably connected to the two sides of the gate plate; each flow guide maintaining mechanism comprises a flow guide main plate and a sealing wear-resisting piece; the two sealing wear-resisting pieces are located on the two sides of the gate plate correspondingly; the flow guide main plates are installed on the sides, away from the gate plate, of the sealing wear-resisting pieces; locking rings are installed on the other sides of the flow guide main plates; six splicing arc plates are uniformly distributed on the outer surface of each locking ring; and fixed flow guide holes are formed in the inner sides of the sealing wear-resisting pieces and the flow guide main plates. According to the anti-stamping type valve, the valve for agricultural irrigation is subjected to multiple sealing and protection operations, so that the stability during use is effectively improved, and anti-stamping conveying of water can be kept.

The invention discloses a method for connecting a plant pillar and a crane girder. The crane girder (1) and the plant pillar (2) are involved; the method comprises the following steps of: forming a slot in the middle of the top of the plant pillar (2); arranging the crane girder (1) in the slot; and tamping the slot by using concrete (3). The crane girder is arranged in the slot on the top of the plant pillar, and the slot is tamped by using fine concrete. Angle steel and flat steel are welded to the crane girder so as to guarantee lateral and longitudinal stability. By the method, the problem of economic and rational connection of the plant pillar and the crane girder when the lower pillar of the plant pillar is higher; and the connecting method is easy to operate; and the used amount and the cost of materials are low.

The invention relates to an upper turnover plate self-locking mouse hole chuck which comprises a column-shaped shell, a guide mechanism and a locking mechanism, wherein the guide mechanism and the locking mechanism are arranged in the shell; the guide mechanism comprises an upper turnover plate of guide pillars; the upper turnover plate sleeves the guide pillars through sliding grooves; the center of the upper turnover plate is provided with a drill hole; the locking mechanism comprises two sliding blocks which are symmetrically arranged in the left-right direction; each of the sliding block sleeves the guide pillars of the guide mechanism and are in a state of sliding along the oblique lines of the guide pillars ; eccentric round sliding grooves are respectively formed in the inner sides of the sliding blocks; tooth plates are respectively arranged in the sliding grooves. The sliding blocks which are symmetrically arranged in the left-right direction stably move up and down along with the upper turnover plate, and the eccentric round sliding grooves which are respectively formed in the inner sides of the sliding blocks are respectively provided with the tooth plate; when the upper turnover plate is pressed by a female joint of a drill rod and is driven to move downwards, the sliding blocks are close to the center along the sliding grooves and cling to the drill rod; the two tooth plates arranged in the eccentric round sliding grooves which are symmetrically formed in the inner sides of the two sliding blocks rotate around a shaft of the drill rod in the eccentric round sliding grooves along with the drill rod, are deadly locked with the sliding grooves, and can tightly hold the drill rod.

The invention relates to a single-post lifting desk, comprising: a guide seat fixed in a decorating cover, wherein the bottom of the guide seat is fixed to a desk foot; a plurality of guide bearings fixed to fixing edges of the guide seat; a guide post arranged in the guide seat, wherein guide edges of the guide post are in contact with the guide bearings respectively so that the guide post is slid relative to the guide seat, and the guide bearings in pairs are abutted to the guide edges in included angle form; a driving unit fixed in the guide post and comprising a lifting rod; a guide post holder fixed to the top end of the guide post and lifting rod; a desk plate, wherein the guide post holder is fixed to the bottom of the desk plate, an end of a lifting control switch is arranged in the guide post holder, and the lifting control switch controls lifting of the lifting rod. A decorative cover and the guide post can be kept vertically stable during lifting.

The invention discloses an electric rail movable type tower experiment platform which comprises a fixed guide rail, a movable vehicle body capable of sliding along the fixed guide rail and a fixing assembly used for fixing a tower. The movable vehicle body comprises a movable platform, a driving assembly and an anti-tilting assembly, wherein the driving assembly and the anti-tilting assembly are arranged on the movable platform. The anti-tilting assembly comprises a fixing sleeve connected with the movable platform, a first anti-tilting foot, a second anti-tilting foot, a plug pin and a locking piece, wherein the first anti-tilting foot and the second anti-tilting foot are arranged in the fixing sleeve, the plug pin is connected with the fixing sleeve, the first anti-tilting foot and the second anti-tilting foot, and the locking piece is used for locking the firstanti-tilting foot and the second anti-tilting foot. The fixed guide rail is provided with a clamping protruding part, and the first anti-tilting foot and the second anti-tilting foot foot are provided with clamping grooves matched with the clamping protruding part. By implementing the platform, the automatic movement of the tower can be realized, and the anti-tilting effect is good.

The invention relates to a filter press filter plate handle with a braking function and a braking method thereof. The filter press filter plate handle with the braking function can brake a filter plate of a filter press. The wheel surfaces, which are positioned on both sides of the filter plate, of a metal roller in the handle are positioned on a guide rail of a main beam; when a power supply controller instructs the filter plate to move, two conductive bars do not conduct electricity; and when the power supply controller instructs the filter plate to stop moving, the power supply controller instructs the two conductive bars to be electrified by surrounding an electromagnetic roller shaft until a magnetic force is produced and attracts the metal roller to ensure that the metal roller fails to rotate, so that the aim of braking the filter plate is fulfilled. The filter plate handle has the advantages that: firstly, the filter plate handle brakes the filter plate for the first time, ensures that the verticality of the filter plate is steady, avoids the phenomena of forward and backward tilting of the filter plate, improves work efficiency, and ensures safety production; and secondly, the filter plate handle is novel, unique, simple, reliable and pragmatic in structural design.

The invention discloses a combined suction anchor and a seabed injecting method thereof, and belongs to the technical field of seabed drilling. The combined suction anchor comprises multiple sets of cylinders vertically arranged, and base pipes; the top ends of the cylinders are closed, and the lower ends are opened; exhaust ports and water sucking ports are formed in the top ends of the cylinders; the water sucking ports are connected with a water sucking pump in a hydraulic control system of suction anchor injecting equipment through pipelines; the opening and closing actions of the exhaustports and the water sucking ports in each set of the cylinders are independently controlled by the hydraulic control system; the two adjacent sets of the cylinders are connected through outer side ribplates in a welding mode; annular structures opened at the upper and lower ends are surrounded by the cylinders and the outer side rib plates; the base pipes are arranged in the cylinders and / or theannular structures; and the two adjacent sets of the base pipes and the base pipes, the side walls of the cylinders and the outer side rib plates are connected through inner side rib plates in a welding mode. Through innovative design of the combined suction anchor and the seabed injecting method thereof, the purpose of improving the deep sea well mouth stability is achieved.