19results about How to "Support stability" patented technology

The invention discloses a tea fertilizer preparation method based on microbial fermentation, and particularly relates to the field of tea compost, tea waste is crushed and wetted, and a nitrogen source and trace elements are added to optimize the carbon nitrogen ratio, so that a foundation is laid for the fermentation process; then, selected microbial strains are proliferated and purified, and the treated waste materials are uniformly inoculated with the selected microbial strains; in the fermentation process, the stability of fermentation conditions is ensured by controlling the temperature and the humidity; the tannin concentration and the pH value are monitored in real time, when the tannin concentration exceeds a preset value and the pH deviates from a normal range, the abnormal state of tannin degradation is evaluated and identified through a reaction activity index, an interference source is positioned through a sparse principal component analysis algorithm, and noise signals are removed; and after the interference source is positioned, the fermentation condition is adjusted in a targeted manner, so that the tannin degradation efficiency reaches the expectation, and the compost is maturely fermented and meets the fertilizer use standard.

The present invention provides a bionic robot fish control method and system based on fish body wave optimization, belonging to the field of robot control technology. The method comprises the following steps: obtaining the swing angle and swing angular velocity of the head of the bionic robot fish, as well as the joint angle and joint angular velocity of the tail in real time; generating the expected swing angle of the head of the fish, and the expected angle and expected angular velocity of each joint in the tail according to the preset expected trajectory of the bionic robot fish; obtaining the dynamic parameters of the bionic robot fish in the fluid; establishing an optimal control model, and obtaining the current optimal joint acceleration of the tail of the bionic robot fish as the control amount of the bionic robot fish. The method proposed by the present invention can effectively reduce the swing of the fish head during the swimming of the robot fish, and is more robust to parameter changes. When the parameters of the bionic robot fish change, stable control can still be achieved, and migration application can be achieved by simply modifying the joint parameters.

The utility model relates to a rain sewage groove construction supporting device, which belongs to the technical field of supporting equipment and comprises a limit supporting pipe arranged at the top of a prefabricated side wall, two limit components are arranged on the limit supporting pipe, and each limit component comprises two limit retaining pipes capable of adjusting and locking positions of the limit retaining pipes on the limit supporting pipe. Telescopic columns with the length capable of being adjusted in the axial direction of the limiting supporting pipe are arranged at the two ends of the limiting supporting pipe, and supporting blocks are arranged on the telescopic columns. The limiting supporting pipe is arranged on the top of the prefabricated side wall, then the limiting blocking pipe limited on the side wall of the upper portion of the prefabricated side wall is arranged on the limiting supporting pipe, and the two ends of the limiting supporting pipe can abut against the side wall of the drainage foundation trench through the telescopic columns and the supporting blocks, so that supporting of the prefabricated side wall is more stable; and construction activities of constructors at the lower part are not hindered.

The invention belongs to the technical field of unmanned aerial vehicle testing, and discloses a tilt-rotor unmanned aerial vehicle rotor nacelle aerodynamic measurement system and method, comprising a test bench, a six-component strain balance, a nacelle support and a data acquisition and processing module; the six-component strain balance is arranged at the top of the test bench, the nacelle support is arranged at the top of the six-component strain balance, and the rotor nacelle to be measured is installed on the top side of the nacelle support; the six-component strain balance comprises a balance body and eight measuring elements; the balance body is arranged at the top of the test bench, and the nacelle support is installed at the top center of the balance body; four measuring elements are respectively arranged at the four corners of the balance body, and the remaining four measuring elements are respectively arranged at the four sides of the balance body; the eight measuring elements are all connected to the data acquisition and processing module; the invention realizes accurate measurement of the aerodynamic parameters of the rotor nacelle to be measured under different working conditions, and effectively improves the practicability and adaptability of the measurement system.

The utility model discloses an urban rail transit foundation pit supporting device, which particularly relates to the technical field of building support and comprises a base, a vertical frame is fixedly connected onto the base, a limit transmission rod is rotatably connected on the inner side of the vertical frame, a motor for driving the limit transmission rod to rotate is arranged at the top of the vertical frame, and a pair of positioning sleeves are arranged on the inner side of the vertical frame. The positioning sleeves are fixedly connected to the vertical frame through first screws, a pair of telescopic assemblies is arranged on each positioning sleeve in the radial direction, an abutting plate is arranged at one end of each telescopic assembly, a foundation pit wall main supporting plate is arranged on each abutting plate, and a foundation pit wall auxiliary supporting plate is rotationally connected to each foundation pit wall main supporting plate through a hinge. A transmission assembly used for driving the telescopic assembly to stretch out and draw back is arranged in the positioning sleeve and is in transmission connection with the limiting transmission rod. The foundation pit supporting device solves the problem that foundation pit supporting is limited due to the fact that the supporting area of a foundation pit supporting device in the prior art is not easy to expand.

The invention discloses portable personal protection equipment for mining and roadway tunneling, and belongs to the technical field of mine safety, the portable personal protection equipment comprises a base, an umbrella rod, a turntable, an umbrella cover and an umbrella top, the base and the turntable are connected through a fixed embracing ring, the turntable restrains relative displacement of the umbrella rod and the base, and the umbrella top and the umbrella rod are fixedly connected through a screw. The six umbrella rib assemblies are hinged to the umbrella top, the umbrella cover and the umbrella cover pressing block are fixedly connected with the umbrella cover cylinder, the umbrella rod moves up and down in the vertical direction by rotating the rotating disc, after the umbrella cover moves to the fixed position, the rotating disc can be rotated to enable the umbrella rod to continue to move upwards, the ends of the umbrella ribs are extruded through the cylindrical face of the umbrella cover, and the umbrella rib assemblies are opened. The rotating disc can be reversely rotated, reverse spring force is provided for the umbrella cover through the flexible spring, closing of the umbrella rib assembly is achieved, the equipment is stable in structure and convenient to carry, rapid opening and closing of the umbrella rib assembly can be achieved, and the safety protection problem caused by falling of vault rocks due to construction vibration is effectively solved.

The utility model discloses a deep foundation pit steel sheet pile supporting structure, and relates to the technical field of foundation pit related equipment. The device comprises two supporting plates which are arranged in a bilateral symmetry mode, two reinforcing rods which are arranged in a front-back symmetry mode are arranged on the upper portion between the two supporting plates, clamping blocks are fixed to the left end and the right end of each reinforcing rod, inclined rods are arranged on the left portion and the right portion of the upper circumferential side of each reinforcing rod, and progressive screw holes are formed in the opposite ends of the inclined rods which are consistent in the left-right direction. Progressive screw rods are spirally arranged in the progressive screw holes, and abutting plates are arranged at the opposite ends of the two inclined rods which are consistent in the left-right direction. The supporting plates are limited through the reinforcing rods, so that the distance between the two supporting plates cannot deviate, the position of the steel sheet pile is guaranteed, and meanwhile, the problems that the supporting capacity of the steel sheet pile cannot be improved and adjustment cannot be conducted according to the height of the steel sheet pile are solved through distance adjustment and angle rotation between the inclined rods and the progressive screws.

The present invention relates to the technical field of mining tunnel engineering tools, and in particular to a single hydraulic prop and a method for using the same. The single hydraulic prop includes a hydraulic column body and a positioning assembly, the positioning assembly includes a fixed seat, a movable seat and an elastic member, the upper end of the hydraulic column body is detachably connected to the lower surface of the fixed seat, the movable seat is a cavity shell with an opening at the lower end, the inner side wall of the top plate of the movable seat is provided with a mounting hole adapted to the elastic member, the mounting hole is eccentrically arranged on the top plate of the movable seat, the lower end of the elastic member is connected to the upper surface of the fixed seat, and the upper end of the elastic member extends into the interior of the mounting hole. The present invention can overcome the defect of uneven force on the single hydraulic prop caused by the top end of the traditional single hydraulic prop not being able to tilt with the metal crossbeam, the single hydraulic prop is not easy to be damaged, the support is stable and reliable, and the support effect is better.

The utility model provides a high-water-level sandy soil deep foundation pit supporting device. The high-water-level sandy soil deep foundation pit supporting device comprises fender piles. The positioning structure is clamped to the top end of the fender pile, the positioning structure comprises a positioning plate, a positioning groove and a positioning hole, the positioning groove is formed in the bottom face of one end of the positioning plate, and the positioning hole is formed in the side wall of the other end of the positioning plate; the fixing structure is fixed on the edge of the bottom surface in the foundation pit; the protection structure is mounted between the positioning plate and the fixing groove; the high-water-level sandy soil deep foundation pit supporting device has the advantages that the construction time is conveniently shortened, and the cost input is reduced.

The utility model discloses a basement outer wall unilateral formwork bottom corner reinforcing construction structure which comprises a reinforcing component arranged in a concrete wall body and comprising a rubber sleeve, a solid round head is arranged at one end of the rubber sleeve, a detachable plug is arranged at the end, away from the solid round head, of the rubber sleeve, the detachable plug is in a circular ring shape, and the reinforcing component is arranged in the concrete wall body. The inner diameter of the detachable plug is equal to the diameter of the rubber sleeve; the formwork is arranged at the end, away from the rubber sleeve, of the detachable plug and located on the outer side of the concrete wall, two main keels are arranged at the end, away from the detachable plug, of the formwork, and the formwork and the reinforcing component are fixedly connected through a full-length screw. The reinforcing component with the threads is pre-buried in the wall body, one end of the reinforcing component is the solid round head, the reinforcing component is prevented from sliding outwards, therefore, the formwork is supported more firmly through the full-length screw, the quality problem caused by the fact that the base angle is not reinforced in place is completely eradicated, and the concrete forming effect is good.

The invention discloses an intelligent paver one-button control method and system based on parameter multiplexing, and belongs to the technical field of paver equipment. According to the method, a central controller is controlled to automatically execute a preset transition or construction operation action sequence through a one-key operation instruction, and the action sequence comprises the actions of closing / opening a hopper, lifting / descending an ironing plate, stretching / retracting a hopper telescopic pin and a large arm pin, lifting / descending a material distribution frame, switching gears and the like. In the construction process, the system collects and stores construction parameters in real time through a sensor, and two modes of active recording and passive recording are supported. And when the construction mode is entered again, each execution mechanism can be automatically recovered to the recording state according to the historical parameter file, so that the consistent multiplexing of the construction parameters is realized. The method further has the functions of fault real-time detection, voice prompt and closed-loop adjustment, the operation difficulty is effectively reduced, and the automation degree of paving operation and the construction quality stability are improved.

The present invention relates to the technical field of coal mining support equipment, and in particular to a high-life three-telescopic column for a hydraulic support and a hydraulic support thereof, comprising an outer cylinder, a plurality of liquid inlet pipe structural components, a multi-stage middle cylinder and a piston. The liquid inlet pipe structural component comprises a liquid inlet pipe body, a pipe joint seat and a valve connecting plate. The pipe joint seat comprises a connecting portion and a clamping portion. The clamping portion can be inserted into a clamping groove provided at the bottom of the cylinder of the outer cylinder, and the clamping portion and the clamping groove are clamped in cooperation. The liquid inlet pipe structural component is fixedly connected to the cylinder bottom by clamping the clamping portion in cooperation with the clamping groove at the bottom of the cylinder, and it is ensured that the hydraulic oil enters the cylinder bottom through the liquid inlet pipe body and the pipe joint seat, and then enters the inner cavity of the outer cylinder to ensure the normal operation of the middle cylinder and the piston. The welds in the conventional positions are reduced, and the hydraulic oil leakage of the column due to welding fatigue or damage to the cylinder pipe parent material during welding is avoided, and then the overall failure of the column is avoided, which greatly improves the reliability and service life of the three-telescopic column.

The utility model relates to the technical field of branch pipe seats, in particular to a 45-degree inclined branch pipe seat with a supporting structure, which comprises a main through pipe, the outer wall of the main through pipe is movably connected with a branch pipe seat, the outer wall of the branch pipe seat is movably connected with a clamping piece, the outer wall of the clamping piece is fixedly connected with a thread, and the outer wall of the thread is in threaded connection with a rotating piece. A rotating part is arranged on the outer wall of the clamping part, a connecting assembly is arranged on the outer wall of the rotating part, an arc-shaped magnet is movably connected to the outer wall of the main through pipe, and a connecting plate is fixedly connected to the outer wall of the top of the arc-shaped magnet. The arc-shaped magnet tightly attracts the main through pipe, at the moment, the branch pipe base is stably supported, welding is convenient, the problems that in the welding process of the branch pipe base, the branch pipe base needs to be manually supported all the time, stability is insufficient, and displacement is likely to happen are solved, and the working intensity of workers is reduced.

The application provides a "7" shape shield support for mining, which comprises a top beam parallel to the roof in the ore body, a support shield beam vertical to the roof, a balance hydraulic cylinder connected between the top beam and the support shield beam, a support walking mechanism arranged on the top beam, a support sliding mechanism, and an extension shield mechanism arranged on the support shield beam, one end of the top beam and the support shield beam is hinged, the support walking mechanism is arranged on the inner side of the top beam away from the support shield beam, and has the freedom of extension relative to the top beam; the inner side of the top beam is provided with a sliding track extending along the support walking mechanism, the support sliding mechanism is arranged on the inner side of the top beam, is clamped in the sliding track, and has the freedom of sliding along the sliding track relative to the top beam; one end of the balance hydraulic cylinder is hinged with the support sliding mechanism, the other end is hinged with the inner side of the support shield beam, and the top beam has the freedom of swinging around the hinged shaft with the support shield beam under the driving of the balance hydraulic cylinder.

The utility model discloses a kind of photovoltaic module mounting bracket of being convenient for installation and adjustment, it is related to solar panel support technical field, including one positioning frame and multiple mounting racks, the outer wall of the positioning frame is slidably connected with four clamping plates one, one end of the clamping plate one is slidably connected with clamping plate two, the top of the clamping plate one and clamping plate two is all fixed with positioning plate, the positioning plate can be with mounting rack movable clamping;In the utility model, the connecting pipe of positioning frame rear end is improved, the angle of positioning frame whole can be adjusted, by moving the bottom end of limiting pipe on connecting plate, simultaneously sliding its internal connecting pipe makes its top end move to positioning frame middle position, it can be stabilized support in positioning frame multiple angles to middle portion;By clamping plate one cooperation clamping plate two, mounting rack is positioned, it is convenient to adjust the spacing of multiple mounting racks, to adapt to the installation of different specifications solar plate, strong adaptability, installation is more convenient, convenient to use.

The utility model discloses a steel platform for ship and garage platform pile foundation construction. The steel platform comprises a steel structure platform and lifting supporting legs. The steel structure platform is designed in a partitioning mode and comprises a first steel structure platform body, a second steel structure platform body and a fixed connecting piece, and the first steel structure platform body and the second steel structure platform body are assembled into a concentric-square-shaped structure. The synchronous driving assembly is arranged at the bottom of the rectangular-ambulatory-plane structure and connected with the lifting supporting legs; and the lifting supporting legs are driven to lift synchronously. The steel structure platform is divided into the first steel structure platform body and the second steel structure platform body, and when the steel platform for ship and garage platform pile foundation construction needs to be built, the first steel structure platform body and the second steel structure platform body are connected into a whole through the fixing connecting pieces. After the steel platform for construction is used, the first steel structure platform and the second steel structure platform are detached, so that the construction platform is conveniently detached from the periphery of a pile foundation and then transferred and reused, and the purpose of repeated utilization is achieved.

The invention provides a mining 7-shaped shield support which comprises a top beam parallel to a top plate erected in a mine body, a supporting shield beam perpendicular to the top plate, a balance hydraulic cylinder connected between the top beam and the supporting shield beam, a support moving walking mechanism arranged on the top beam, a supporting beam sliding mechanism and a telescopic shield mechanism arranged on the supporting shield beam. The movable frame walking mechanism is arranged on one side, far away from the supporting shield beam, of the inner side face of the top beam and has the freedom degree of stretching and retracting relative to the top beam; the inner side face of the top beam is provided with a sliding rail extending along the moving frame walking mechanism, and the joist sliding mechanism is arranged on the inner side face of the top beam, clamped in the sliding rail and provided with the degree of freedom of sliding along the sliding rail relative to the top beam. One end of the balance hydraulic cylinder is hinged to the joist sliding mechanism, the other end of the balance hydraulic cylinder is hinged to the inner side face of the supporting shield beam, and the top beam has the freedom degree of swinging around a hinged shaft of the supporting shield beam under driving of the balance hydraulic cylinder.

The invention relates to the technical field of mining, and discloses an intelligent zoning supporting device for safe mining of mines, which comprises a movable base, the top end of the movable base is fixedly connected with a support frame, the top end of the support frame is fixedly connected with a fixed plate, and the front surface of the fixed plate is rotatably connected with a rotary connecting pipe; a transmission mechanism is arranged on the back face of the fixing plate and used for driving a rotary connecting pipe to correspondingly rotate, a sealing sleeve is fixedly connected to the front face of the rotary connecting pipe, the two ends of the sealing sleeve are arranged in a through mode, and a moving rod penetrates through the inner wall of the sealing sleeve and is in sliding connection with the inner wall of the sealing sleeve. A structure composed of a plurality of independent connecting rods is adopted, the positions of the connecting rods can be automatically adjusted according to surrounding terrain changes in the supporting process, when some connecting rods cannot advance due to large resistance, other connecting rods can still continue to move, and it is ensured that the supporting system can be attached to an irregular supporting face.

The utility model relates to the technical field of civil engineering construction, in particular to a reinforcing device for synchronous pouring of structural expansion joint double-column concrete. The concrete column comprises two supporting formworks which are adjacently arranged in parallel and a concrete column body poured in the two supporting formworks, an expansion joint is arranged between the two supporting formworks, and the concrete column further comprises a reinforcing assembly installed on the two supporting formworks. The reinforcing assembly comprises a mounting part and an inner partition plate, the mounting part is vertically arranged, one side wall of the mounting part is attached to the same side walls of the two supporting formworks, the inner partition plate is perpendicular to the mounting part, the inner partition plate penetrates through the mounting part to be arranged in the expansion joint, and the inner partition plate is detachably connected with the mounting part. By arranging the mounting part and the inner partition plate, two concrete columns can be poured at the same time, the pouring quality is improved, mounting and dismounting are easy, the construction cost and time are reduced, the consistency and accuracy of the pouring quality are guaranteed, and the forming effect of the concrete columns is better.