256results about How to "Reduce tilt" patented technology

The invention relates to the field of high-altitude operation equipment and automatic control, and discloses a control system and method for a self-walking insulating lifting platform, and the system comprises a posture sensing module which is used for collecting the inclination angle and angular velocity information of the platform in real time; the dynamic modeling module is used for establishing a multi-degree-of-freedom dynamic model of the platform; the optimal control module is used for calculating optimal control input through objective function optimization; and the robust control module is used for realizing anti-interference leveling of the platform under an external disturbance condition based on a sliding mode control algorithm and in combination with adaptive gain adjustment. The method comprises the steps of obtaining real-time attitude information of a platform, establishing a multi-degree-of-freedom dynamic model, defining a weighted objective function and solving optimal control input, calculating control input based on a sliding mode control algorithm, and adjusting the positions of platform supporting legs to achieve a stable leveling state. According to the invention, the leveling precision and the anti-interference capability of the platform are improved, and the method is suitable for safe and stable operation under various complex terrain conditions.

The invention relates to the technical field of unmanned ships, and discloses an unmanned ship with a gravity center self-adaptive adjusting device, which comprises a supporting floating body, a gravity center self-adaptive adjusting device, a gravity center self-adaptive adjusting device and a gravity center self-adaptive adjusting device, the driving mechanism is used for providing necessary power for the catamaran; the cross beam mechanism is used for connecting and supporting the floating body and a main body of the ship. According to the unmanned ship with the gravity center self-adaptive adjusting device, the gravity center shifting mechanism is arranged, when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is gentle, the bottom platform can descend through the telescopic cylinder, the bottom platform drives the vertical connecting plate and the middle floating body to move downwards, and therefore the area, making contact with water, of the middle floating body is increased; therefore, the wet surface area of the ship can be enlarged, frictional resistance can be fully reduced during high-speed operation, and when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is severe, the battery can be driven to regulate and control the gravity center, the speed can be properly reduced, and operation safety is kept.

The invention relates to the technical field of automobile part installation, and discloses an automobile sunroof rivet nut alignment feeding device which comprises a main body, the top of the main body is fixedly connected with a first electric push rod, the output end of the first electric push rod is fixedly connected with a placing plate, and the side, close to the first electric push rod, of the main body is fixedly connected with a supporting frame. The top of the supporting frame is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod penetrates through the inner wall of the top of the supporting frame and extends to the outside. According to the feeding device, when the arc-shaped elastic plates are reset and shrunk, the nut can be located among the multiple arc-shaped elastic plates to wrap and position the rivet nut, the rivet nut is kept at the correct position, and the situation that the rivet nut inclines or is staggered due to shaking or vibration generated when the feeding rod moves downwards or rotates can be reduced; and the alignment precision of the rivet nuts and the alignment holes in the automobile window is improved, so that the assembly quality of the skylight is improved, and the feeding and mounting efficiency is improved.

The invention is suitable for the technical field of automobile accessories, and provides a quickly-assembled automobile damping luggage rack which comprises basic cross beams, the basic cross beams are horizontally and longitudinally arranged on longitudinal rails, a basic base is fixed to the basic cross beams, and a luggage frame is arranged above the basic base. One end of the distribution control assembly is connected with the bottom of the luggage frame, and the other end of the distribution control assembly is slidably mounted in the guide groove; the distributed control assembly comprises an elastic supporting unit and a deployment control unit. According to the rapidly-assembled automobile damping luggage rack, through the elastic supporting units and the deploying and controlling units arranged at the four corners of the luggage rack, pressure borne by one corner of a luggage frame can be evenly distributed to other triangles, the pressure burden of a single point is relieved, damage caused by excessive stress concentration is prevented, and the service life of the luggage rack is prolonged. And the gravity center of the luggage frame can be moved to the center position of the luggage frame, the stability of the luggage frame can be improved, and the overall use experience and safety of the automobile luggage rack are improved.

The utility model relates to the technical field of tea garden trimmers, in particular to an electric bilateral trimmer for a tea garden. According to the technical scheme, a storage battery is installed on a rack, a steering shaft is rotatably installed on the rack, a handle is welded to the top end of the steering shaft, a front fork is inserted into the bottom end of the steering shaft, and a front wheel is rotatably installed on the steering shaft through the front fork; trimming blades are slidably installed on the two sides of the rack through a first connecting plate and a second connecting plate, sawteeth are arranged at the bottom ends of the trimming blades, a motor is fixed to the second connecting plate through a support, the support penetrates through the trimming blades and is fixedly connected with the motor, and an eccentric shaft is arranged at the output end of the motor; and the motor stirs the trimming blade through the eccentric shaft, so that the trimming blade performs lifting motion. The electric bilateral trimmer for the tea garden integrates the advantages of maneuverability, stability, flexibility, efficiency, humanization and the like, so that the electric bilateral trimmer for the tea garden is more suitable for complex trimming requirements in a tea garden environment.

The utility model discloses a stainless steel piling device for square pile construction, which relates to the technical field of piling, and comprises a mounting shell, a mounting column fixedly connected to the rear end of the outer wall of the mounting shell, a walking crane fixedly connected to the rear end of the mounting column, and a mounting mechanism, moving rods are fixedly connected to the sides, away from each other, of the two moving shells, baffles are fixedly connected to the sides, away from each other, of the two moving rods, the outer walls of the two moving rods are sleeved with springs, and the inner surfaces of the two springs make contact with the outer walls of the two moving rods; the first motor drives the positioning shell, the rolling wheels and the moving shell to conduct auxiliary limiting on the pile rod, deviation is avoided in the pile descending process, the inclination phenomenon of the pile body is reduced, the time for repositioning or correcting the pile body by workers is not needed, the construction time and cost are reduced, and meanwhile abrasion of the inner walls of the moving shell and the positioning shell to the outer wall of the pile body is reduced.

The invention provides a humanoid robot single-leg gait transition action design and a control method thereof, and through an algorithm module of a finite-state machine and the single-leg gait transition action design, the problems of center-of-gravity shift and insufficient control precision of a biped robot during gait transition can be effectively solved. By means of the method, the gait control capacity of the robot in the complex environment is remarkably improved, especially in the single-foot supporting and single-leg jumping stage, the robot can be stably switched to the corresponding gait, and the possibility of inclination and unbalance is reduced.

The invention relates to the technical field of ocean engineering and electric power engineering, and discloses an assembly type fan jacket and a construction method thereof.A first supporting node and a second supporting node are connected, connection between pipe bodies is achieved, and solidification media are poured into the first supporting node and / or the second supporting node, so that the pipe bodies are connected. After the curing medium is cured, the bearing capacity of each supporting node of the jacket is improved, premature yield and deformation of each supporting node can be delayed or even inhibited, the phenomenon of plastic deformation under the action of external force is avoided, and the supporting performance of each supporting node can be better exerted.

The utility model provides an automobile glass lifter motor support connecting structure which comprises a positioning assembly which comprises a first positioning plate and a second positioning plate, a limiting plate is arranged on one side of the positioning assembly, a hydraulic rod is arranged on one side of the first positioning plate, a sliding plate is fixedly installed at the telescopic end of the hydraulic rod, and a first clamping plate is rotatably installed at one end of the sliding plate. A second clamping plate is rotationally installed at one end of the first positioning plate. According to the motor support connecting structure of the automobile glass lifter, the hydraulic rod, the sliding wheel and other structures are arranged, when the hydraulic rod drives the sliding plate to move, the first clamping plate and the second clamping plate are indirectly driven to rotate, the position of glass is adjusted through movement of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are further limited by embedding the sliding wheel into the second sliding groove; and meanwhile, when the first clamping plate and the second clamping plate move, the first clamping plate and the second clamping plate are positioned in real time through the clamping strips, so that the first clamping plate and the second clamping plate are more stable in the moving process, and the stability of glass lifting is effectively improved.

The utility model discloses a special lifting appliance for reach stacker, which comprises a main beam and two cross beams, the two cross beams are respectively welded at two ends of the main beam, two connecting pieces used for being connected with lifting equipment are symmetrically arranged at the upper ends of the two cross beams, a first hook is detachably connected with the middle of the main beam, and a second hook is detachably connected with the middle of the main beam. A driving assembly is installed at the bottom of the main beam, two second hooks are symmetrically and detachably connected to the bottom of the driving assembly, and the driving assembly drives the two second hooks to get close to each other or get away from each other. The lifting appliance is reasonable in structural design, the lifting appliance can be stably lifted by lifting equipment conveniently, the first hook and the two second hooks are matched, goods can be prevented from inclining in the lifting process, the stability and safety of the goods in the lifting process are guaranteed, the two second hooks can be controlled to be close to each other or away from each other, and the lifting appliance is convenient to use. And the hoisting requirements of goods with different sizes are met.

The invention provides a drainage robot and an automatic drainage method thereof, and relates to the technical field of drainage robots, the drainage robot comprises a vehicle body, and an electric push rod is fixedly mounted on the top surface of the vehicle body. The submersible pump is driven by the electric push rod to vertically move, the submersible pump can be automatically placed in a water source, the pump does not need to be manually placed in the water source, the operation steps are simplified, the labor burden is relieved, and after drainage operation is completed, through cooperative work of the friction wheel, the friction disc and the sponge column component, the water drainage efficiency is improved. The surface of the submersible pump and a water inlet pore plate are automatically cleaned, stains on the surface of the pump and the pore plate can be effectively removed, the situation that normal work of equipment is affected or drainage performance is reduced due to dirt accumulation is avoided, the manual maintenance frequency of the equipment is reduced through the automatic cleaning function, the efficient operation state of the drainage equipment can be kept, and the service life of the drainage equipment is prolonged. And the service life of the equipment is prolonged, so that the long-term maintenance cost is reduced.

The utility model relates to the technical field of hanging basket device installation, and discloses an installation structure of a front and rear special-shaped hanging basket device, which comprises a front area and a rear area, the front area is arranged in the middle of the hanging bracket mechanism, and the bottom of the front area is arranged on a concrete structure through expansion bolts. The rear area is arranged on the framework girder; the rear area comprises a connecting piece, at least two height adjusting pieces, a reinforcing piece and a supporting mechanism; the connecting piece is triangular and is arranged on one side, far away from the hanging basket mechanism, of the hanging bracket mechanism; the height adjusting piece is arranged in the connecting middle of the connecting piece and the supporting mechanism in a height-adjustable mode; the two ends of the reinforcing part are connected with the connecting height adjusting part and the connecting part; the supporting mechanism comprises a bottom beam, a correcting piece and a clamping plate, the correcting piece is arranged at the bottom of the bottom beam and used for supplementing the inclined state of the surface of the framework beam, the clamping plate tightly wraps the bottom beam, and the correcting piece is arranged on the framework beam through chemical bolts; wherein a through hole is formed in the framework girder, and a clamping piece used for supporting the mechanism is arranged in the through hole in a penetrating mode.

The utility model discloses a floating net cage platform, which relates to the technical field of aquaculture equipment and comprises a platform body and a water injection and drainage component. The platform body comprises a port and a starboard which are symmetrically arranged based on the middle line face of the platform body. N left ballast tanks are arranged in the left board, N right ballast tanks are arranged in the right board, and the serial numbers of the N left ballast tanks and the serial numbers of the N right ballast tanks are sequentially increased from the bow side to the stern side of the platform body; the kth left ballast tank and the kth right ballast tank are symmetrically arranged based on the median plane; the water injection and drainage assembly is respectively communicated with the N left ballast tanks and the N right ballast tanks; the water injection and drainage assembly is used for synchronously injecting and draining water into the kth left ballast tank and the (N + 1-k) th right ballast tank; 1 < = k < = N. The left ballast tank and the right ballast tank are symmetrically arranged, the water injection and drainage assembly is used for water injection and drainage according to the mode, and the possibility that the floating net cage platform inclines in the sinking and floating process is reduced.

The invention discloses a detachable lower supporting type I-steel cantilever scaffold device, and belongs to the technical field of cantilever scaffolds. According to the detachable lower supporting type I-steel cantilever scaffold device, a hydraulic driving assembly is connected with a first clamping plate, so that the first clamping plate moves and can drive a sealing plug to move through the hydraulic driving assembly, the sealing plug can hydraulically drive a piston rod and a two-way rack rod to move, the two-way rack rod is in transmission with a gear, and the gear gives rotating force to a screw rod; the screw can control the locking block to apply clamping force to the I-shaped steel, so that the problem of slippage can be effectively prevented, the construction safety can be effectively improved by adopting an automatic locking mode, meanwhile, if slippage continues, the driving rod can independently drive the contact block to move at the moment to enable the contact block to touch and press the switch, and therefore the purpose of alarming can be achieved through the alarm. In this way, on-site constructors can be warned at the first time, the constructors can conveniently and rapidly evacuate from dangerous areas, and therefore the safety risk can be greatly reduced.

The invention is applicable to the technical field of rolling trigger roller replacement, and particularly relates to a plate mill roller replacement device and a working method thereof, the plate mill roller replacement device comprises a rolling trigger rack, a hydraulic lifting rod is mounted on the surface of the rolling trigger rack, and a connector is arranged at one end of the hydraulic lifting rod; a mounting seat is arranged on the side face of the rolling trigger rack, a plurality of supporting frames are arranged on the surface of the mounting seat, a roller changing platform is arranged on the surfaces of the supporting frames jointly, a roller changing vehicle body is arranged on the surface of the roller changing platform, and a plurality of first wheels are mounted on the surface of the roller changing vehicle body. The automatic roller replacing device has the following beneficial effects that firstly, the roller replacing process is highly automatic, manual operation is greatly reduced through cooperation of the hydraulic push-pull rod and the hydraulic lifting rod, and efficiency is improved; and secondly, the safety of the operation process is guaranteed through the design of the device, lifting and moving are controlled through hydraulic pressure, and accidents possibly occurring in the manual carrying process are avoided.

The invention relates to the technical field of spring pressure testing, and discloses a switching-on pressure testing device for a GIS circuit breaker spring mechanism, the switching-on pressure testing device comprises a lower plate and a pressure sensor, the top of the lower plate is symmetrically and fixedly connected with side plates, and the top ends of the two side plates are fixedly connected with the same top plate. A hydraulic rod is fixedly installed in the middle of the interior of the top plate, an extrusion disc is fixedly installed at the bottom end of a telescopic part of the hydraulic rod, a base plate is fixedly connected to the middle of the top of the lower plate, limiting mechanisms are arranged on the inner sides of the two side plates, and a moving mechanism is arranged in the base plate; the limiting mechanism comprises a fixing sleeve, the fixing sleeve is installed on the outer side of the telescopic part on one side, and the interior of the fixing sleeve is in threaded connection with a first bolt, so that the problems that in the subsequent pressure test of the spring, auxiliary guiding of the spring to be tested is inconvenient, inclination and contraction of the spring may be caused, the pressure test progress is hindered, and the service life of the spring is influenced are solved. And the test result is influenced.

The invention relates to the technical field of unmanned aerial vehicle detection countering, and discloses a mooring type unmanned aerial vehicle detection countering system based on power line carrier control, and the countering system is composed of a radio interference module, a drive-by-wire unmanned aerial vehicle control module, a four-direction mooring positioning module, a system integration control module and a performance optimization module. The radio interference module is composed of a high-power radio transmitter, a frequency selector, a signal analyzer and an interference mode switcher, interference signals are accurately controlled and adjusted through the multi-component design, it is ensured that all key links including control, navigation and video transmission links are covered, the interference mode switcher is switched among different interference modes, and the interference mode switcher is switched among different interference modes. The unmanned aerial vehicle is controlled in a wired mode, the influence of radio interference on the unmanned aerial vehicle is avoided, the stability and reliability of the unmanned aerial vehicle in a radio interference environment are ensured by the wired control mode, and the beneficial effects of effectively sending countering signals to the ground, minimizing a shielding blind area and maximizing countering efficiency are achieved.

The utility model belongs to the technical field of wood processing, and particularly discloses a wood processing polishing and edge milling device which comprises a polishing and edge milling body, an operation table is fixedly connected to the bottom of a plate body, a T-shaped groove is formed in the operation table, the section of the T-shaped groove is in a T shape, and a first threaded rod is rotationally connected to the interior of the T-shaped groove; the left side of the first threaded rod rotationally penetrates through the operation table and extends to the outside of the operation table, threads with the two ends opposite are arranged on the outer surface of the first threaded rod with the middle position of the first threaded rod as the starting point, the outer surface of the first threaded rod is in threaded connection with a [-shaped block, and the section of the [-shaped block is in a [shape. And through movement of the polishing and edge milling mechanism, a brush at the bottom of a cleaning plate can sweep the top of the operation table, impurities such as wood chippings are swept into a collecting box through a first collecting groove and a second collecting groove for centralized treatment, and accumulation of a large number of wood chippings and the like on the operation table is reduced to a certain extent.

The utility model relates to the field of welding auxiliary tools, in particular to a wire harness fixing jig which comprises a bottom plate and a clamping and limiting assembly, the clamping and limiting assembly is installed on the bottom plate, a gap used for containing a circuit board is formed between the clamping and limiting assembly and the bottom plate, and the clamping and limiting assembly is used for clamping a wire harness. The bottom plate is provided with an avoiding hole used for circuit board welding. The utility model has the effects of reducing the inclination of the wire harness and improving the welding effect.

The invention relates to the technical field of substrate glass production, and discloses a substrate glass safe sampling device and method.The substrate glass safe sampling device comprises clamping jaws, a clamping jaw frame, a three-hinge mechanism and a locking handle, the two clamping jaws are fixed to the two ends of the clamping jaw frame respectively, the three-hinge mechanism is arranged in the middle of the clamping jaw frame, and the locking handle is arranged on the clamping jaw frame; the design of the three-hinge mechanism allows the clamping jaw frame to have certain flexibility while keeping certain rigidity, the clamping jaw frame can adapt to substrate glass of different shapes and sizes, the sampling safety is further improved, the sampling success rate is further increased, meanwhile, the three-hinge mechanism is connected with the locking handle, and the clamping jaw frame is convenient to use. By arranging the locking handle, an operator can easily adjust the opening and closing degree of the clamping jaw so as to quickly and accurately clamp the substrate glass, the locking handle can also fix the position of the clamping jaw, once the clamping jaw is locked, the clamping jaw can firmly clamp the substrate glass, and the sampling device has the advantages of high sampling efficiency and high safety, and is suitable for popularization and application. And the injury to sampling personnel is avoided.

The invention belongs to the technical field of early warning and deviation correction for lowering inclination of a steel cofferdam, and relates to an early warning and deviation correction system and method for lowering inclination of a deepwater double-wall steel cofferdam without a sealing bottom. According to the method, by evaluating the potential influence of the environment where the target double-wall steel cofferdam without the back cover is located, inclination, caused by environmental factors, of the double-wall steel cofferdam without the back cover in the lowering process is reduced, and it is also avoided that constructors work in the dangerous environment; the inclination reason is analyzed in a multi-dimensional manner by judging the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover and the current heightening section as well as the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover when the target bottom section of the double-wall steel cofferdam is put down at present; whether the bottom section of the steel cofferdam is abnormally inclined or not can be conveniently perceived at the first time, constructors are reminded to take measures, serious safety accidents such as structural damage and even collapse caused by excessive inclination of the steel cofferdam are avoided, and damage to the structure of the steel cofferdam due to inclination of the bottom section is also avoided.

The concrete powder storage tank for concrete production comprises a supporting table and a first motor, the middle end of the top of the supporting table is movably connected with a tank body through a bearing, a gear ring is fixedly installed at the lower end of the outer surface of the tank body, and a stirring rod is fixedly installed at the output end of the first motor; and the lower ends of the two sides of the stirring rod are fixedly connected with scraping plates. Through the arrangement of the tank body, concrete powder can be conveniently stored, through the arrangement of the first motor, the stirring rod and the scraping plate, the probability that the powder is agglomerated is reduced, meanwhile, the situation that the powder adheres to the bottom of the tank body, and consequently follow-up discharging operation is affected is avoided, and the working efficiency is improved. Through the arrangement of a second motor, a gear, a U-shaped rotating rod, a gear ring, a connecting plate, a push rod, a moving rod, a fixing frame, a vertical plate, a supporting spring and a knocking plate, the effect of cleaning the inner wall of the tank body is achieved, the powder discharging effect is improved, and use by personnel is facilitated.

The utility model discloses an automobile clutch separation stroke measuring device and an automobile clutch. The automobile clutch separation stroke measuring device comprises a measuring piece; the sliding piece is connected to the measuring piece in a sliding manner; one end of the fastening piece is connected to the sliding piece, and the other end of the fastening piece abuts against the surface of the measuring piece; and the adsorption piece is mounted at one end, far away from the measuring piece, of the sliding piece, and the adsorption piece is used for fixing the sliding piece on the release bearing. In the process of measuring the separation stroke of the clutch, the whole measuring device is fixed on a connecting lug of a separation bearing through the adsorption piece, then the separation stroke of the clutch can be measured through sliding operation of the sliding piece on the measuring piece, and in the sliding process of the sliding piece, due to the fact that the fastening piece is installed, sliding operation of the sliding piece is more reliable. And the stability of measurement operation is ensured.

The present application provides a degradable vena cava filter with an expansion structure, which relates to the field of cardiovascular medical devices, and includes a stent segment, which includes a plurality of expansion components connected in sequence along the circumferential direction, each expansion component is provided with an anchor hook, and the anchor hook is embedded in the blood vessel wall for positioning the filter; when the plurality of expansion components are stretched, the plurality of expansion components expand outward in a direction away from the axis. By providing a plurality of expansion components, when the expansion components are stretched due to blood flow impact, the plurality of expansion components can respectively expand outward in the radial direction and drive the corresponding anchor hooks to expand outward, so that the stent segment fits more closely to the blood vessel wall, improves the anchoring ability of the anchor hook on the blood vessel wall, and reduces the displacement problem of the degradable vena cava filter with an expansion structure during use.

The invention belongs to the technical field of well drilling equipment, and particularly relates to a pneumatic drill for unconsolidated formation drilling and a using method of the pneumatic drill. An air inlet is formed in the top of the pneumatic drill body; a drill bit is mounted at the bottom of the pneumatic drill body; a first supporting plate is fixedly connected to the middle of the pneumatic drill body. Two groups of first spring rods are fixedly connected to the top of the first supporting plate; the top of the output end of the first spring rod is fixedly connected with a connecting frame. Two groups of pressing plates are arranged in a matched manner, so that the drill bit and the ground can be in a vertical state when the whole pneumatic drill body performs drilling work, and the problem that the pneumatic drill body inclines when being used due to the fact that a worker is unfamiliar with the performance of the pneumatic drill body or clamping forces at the two ends of the drill bit are unbalanced is solved; and the multiple sets of steel thorns are arranged, so that the road holding force between the two sets of pressing plates and the ground can be improved, and the problem of shaking is solved.

The invention belongs to the technical field of constructional engineering, and particularly relates to a solid recycled concrete precast pile device which is composed of a stand column, a precast cage and a bottom column, and the stand column, the precast cage and the bottom column are all hexagonal in appearance; the prefabricated cage is composed of transverse ribs and longitudinal ribs, the transverse ribs are arranged in a hexagonal shape, the longitudinal ribs are fixed to the inner corners of the hexagonal transverse ribs, and the transverse ribs are longitudinally arranged along the longitudinal ribs, so that the prefabricated cage forms a hexagonal woven cage; the bottoms of the longitudinal ribs extend downwards; according to the scheme, the precast pile device can be installed in a modeling mode, all the components are relatively independent and have a specific connecting mode, transportation, storage and on-site construction operation are facilitated through the modular design, the construction period can be effectively shortened, and the construction efficiency is improved.

The utility model discloses an efficient distillation device for biopharmaceutical processing, and relates to the technical field of biopharmacy. The device comprises a base, the top of the base is fixedly connected with a supporting plate, the side face of the supporting plate is fixedly connected with a containing plate, a beaker penetrates through the top of the containing plate, a heating assembly is arranged at the top of the base, a reinforcing device is arranged at the top of the base, and the reinforcing device comprises a fixing plate. The bottom of the fixing plate is fixedly connected to the top of the base. The pressure of a worker is matched with a protection arc block, a fixed arc block, a first telescopic rod and other components in the reinforcing device, the first telescopic rod is stretched to drive the fixed arc block to move, the fixed arc block moves to drive the protection arc block to abut against a beaker, and therefore the beaker is fixed, and the work efficiency is improved. And the effect of reducing the probability of accidental inclination or collapse is achieved.

The utility model discloses a spoil site stability process monitoring device which comprises a monitoring pile arranged on a spoil site soil piling side slope, two reference piles arranged on the two sides of the monitoring pile and located at stable positions outside the range of a spoil site, and an observation pile. The top ends of the reference pile and the monitoring pile are flush, a steel wire rope provided with a first strain gauge is connected between the reference pile and the monitoring pile, and the two steel wire ropes located on the two sides of the monitoring pile are located on the same straight line; a data acquisition instrument connected with the first strain gauge is mounted on the observation pile; a stabilizing mechanism is arranged at the bottom end of the monitoring pile; the stabilizing mechanism comprises a stabilizing rod fixedly connected to the bottom end of the monitoring pile, a plurality of dispersing blocks are vertically and fixedly connected to the surface of the stabilizing rod, the dispersing blocks are annularly distributed on the surface of the stabilizing rod, and the cross section of each dispersing block is in an isosceles triangle shape. According to the spoil site stability process monitoring device, the problem that the monitoring pile is unstable on the spoil site slope due to the fact that the contact area between the monitoring pile and the slope soil is limited is solved.

The invention discloses an intelligent auxiliary learning device for strengthening English literature digital intelligent course learning, and relates to the technical field of intelligent auxiliary learning devices.The intelligent auxiliary learning device comprises a base, a fire prevention mechanism is arranged above the base, an anti-splashing mechanism is arranged above the base, and the fire prevention mechanism can prevent internal circuit fire when a display screen topples and collides; the anti-splashing mechanism comprises a buffer unit, the buffer unit is arranged above the base, the buffer unit can reduce impact force borne by the display screen when the display screen falls onto the ground, the anti-splashing mechanism further comprises a height reducing mechanism, the height reducing mechanism is arranged above the base, and the height reducing mechanism can reduce the overall height of the display screen when the display screen topples over. According to the intelligent auxiliary learning device for strengthening learning of the English literature digital intelligent course, by arranging a fireproof mechanism, a buffer unit and a height reduction mechanism, the problem that the device is prone to toppling under the influence of the gravity center and external force when the device is used can be effectively avoided.

The invention discloses an internal waterproof, dustproof and anti-settling device during elevator installation, and relates to the technical field of elevator installation. The internal waterproof, dustproof and anti-sedimentation device during elevator installation comprises an anti-sedimentation lower plate, a protection unit, a limiting unit and a connecting unit, and a damping middle seat is fixedly installed at the top of the anti-sedimentation lower plate. According to the internal waterproof, dustproof and anti-sedimentation device used during elevator installation, through cooperative use of a rotating stud, a connecting hollow column, an adjusting supporting column, a reinforcing hollow column and a water feeding stone rod, the adjusting supporting column can ascend and descend, in this way, during installation, the position of an anti-sedimentation lower plate can be adjusted according to the installation position, and the installation efficiency is improved. The situation that after the anti-sedimentation supporting columns are inserted into the ground, the anti-sedimentation lower plate inclines due to different foundation hardness is reduced, then the levelness of the anti-sedimentation lower plate during installation can be increased, and underground accumulated water can be subjected to water absorption treatment through the arrangement of water feeding stone rods and water feeding stone plates.