62results about How to "Comprehensive support" patented technology

The invention relates to a soft rock roadway whole digging shield support and belongs to the field of mining machinery manufacturing and application. The soft rock roadway whole digging shield support is composed of a semicircle protective arch, two hydraulic support pillars (1) which are arranged on the left side and the right side and a support seat. The upper ends of the two hydraulic support pillars (1) are connected with the semicircle protective arch respectively through a supporting lug (5) and a connecting pin. The lower ends of the two hydraulic support pillars (1) are respectively fixed on pillar fixing seats (6) of two sides of the support seat. Two groups of parallel telescopic guide rails (7) between the two pillar fixing seats(6) are connected to form the support seat. A pipe bending cylinder fixing seat (8) and two lateral pipe bending cylinder (9) are arranged in the middle of the middle portion of the two groups of parallel telescopic guide rails (7). The periphery of the soft rock roadway whole digging shield support can simultaneously bear pressure, compressive strength is high, bearing force is large, operation is convenient, and combination between components is tight. Through optimization design, from the aspects of convenient tunnel construction, the structure innovation and the like, Security, adaptation, technical advancement and economy of a soft rock supporting engineering are entirely improved.

Disclosed is a double-layer light-steel-keel sound-insulating wall. The double-layer light-steel-keel sound-insulating wall is characterized in that the wall comprises two layers of parallel light-steel keels, a middle-layer plate, sound-insulating materials and surface-layer plates, two side faces of the middle-layer plate are abutted against and fixedly connected with the inner sides of the two-layer light-steel keels, the surface-layer plates are fixed connected on the outer side of the light-steel keel at each layer, the sound-insulating materials are filled in the light-steel keels, each light-steel keel is provided with multiple vertically-arranged vertical keels, multiple rows of transverse keels are transversely connected among all adjacent vertical keels, longitudinal intervals of the transverse keels are 600-800mm, and transverse edges and longitudinal edges of the middle-layer plate and the surface-layer plates are connected with the transverse keels and the vertical keels respectively. The double-layer light-steel-keel sound-insulating wall is steady in structure, the height can reach 4.5-6m, the defect of easiness in deformation in the prior art is overcome, sound-insulating effect is good, and weight-counted sound insulation quantity reaches 55-60Db.

The invention relates to a method for solving Pareto solution sets of a wind-storage-thermal joint operation system in multiple time periods after access of large-scale wind power. The method adopts a means combining a traditional genetic algorithm and an NSGA-II algorithm in solving, and respectively solves the problem that the optimization result obtained by adoption of the traditional genetic algorithm is single and the problem that only the Pareto solution set of a single time period can be obtained through optimization by adoption of the NSGA-II algorithm. An optimization result of a wind-storage-thermal joint operation system mathematical model solved by the genetic algorithm is used as the initial value of solution by the NSGA-II algorithm so as to obtain the Pareto solution set of each moment of time through optimization. Compared with the traditional genetic algorithm and the NSGA-II algorithm, the method of the invention can effectively overcome the defects of the two algorithms in the solution process, more comprehensively search out optimization solution sets as many as possible, and provide comprehensive, clear and effective support for decision makers.

The invention discloses a method for evaluating resilience of an electric power system under a disaster, comprising the following steps: 1) determining a type of the disaster and occurrence property;2) obtaining types of easily damaged elements under the disaster and related fault probabilities; 3) acquiring a running state of easily damaged equipment in a disaster environment by utilizing Monte-Carlo simulation; 4) carrying out system minimum load shedding calculation based on direct current optimal power flow; and 5) carrying out index calculation and system resistivity analysis. An expected running state and strong degree of the electric power system under various natural disasters and a man-made disaster can be rapidly calculated by utilizing the method disclosed by the invention, a calculating process gives consideration to types and characteristics of the disasters at the same time, and resilience enhancement limiting factors of the system under the disaster can be analyzed, sothat the method disclosed by the invention can be used for providing a reference and a suggestion for disaster prevention planning and construction of the electric power system.

The invention provides a series-parallel connection six-degree-of-freedom active wave compensation platform which comprises a first compensation system, a second compensation system and a third compensation system. The first compensation system comprises a base fixed to a hull, a first compensation platform, a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder and amiddle electric cylinder, wherein the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are fixed to the base, and one end of an inner cylinder of each of the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder is connected to the first compensation platform; and a universal connector is arranged at one end of the middle electric cylinder and connected with a torsion motor, and the torsion motor is fixed to the first compensation platform. The invention further provides a compensation method of the series-parallel connection six-degree-of-freedom active wave compensation platform. By the adoption of the provided series-parallel connection six-degree-of-freedom active wave compensation platform, the hydraulic cylinders, electric cylinders and sensors are used for solving a compensation problem, the structure is simple and reasonable, six-degree-of-freedom compensation can be simplified into compensation of the three compensation systems, the three compensation systems separately work, cooperate and are correlated, the problem is simplified, and meanwhile a compensation effect is enhanced.

The invention relates to a solar street lamp capable of automatically cleaning, and belongs to the technical field of non-portable illuminating devices and systems thereof. The solar street lamp comprises a support base; the lower end of the support base communicates with a water tank; a water outlet is formed in the side wall of the water tank; a baffle plate is slidingly matched in the water outlet; a cavity communicates outside the water outlet; a second through hole is formed in the side wall of the cavity, and is slidingly matched with a connecting rod; one end of the connecting rod is connected with the baffle plate, and the other end of the connecting rod is a free end; a gear is rotationally connected below the support base, and is engaged with a gear ring on the connecting rod; the gear is coaxially connected with a rotating shaft; the rotating shaft is connected with a torsion spring; the torsion spring is connected with a shielding plate; a guide pipe communicates below thecavity; the bracket is rotationally connected with a waterwheel; the waterwheel is coaxially connected with a first bevel gear; the first bevel gear is engaged with a second bevel gear in the horizontal direction; and the second bevel gear is coaxially connected with a brush. A solar panel is prevented from dipping in rainwater for a long time, and meanwhile, cleaning of a lamp cover is realized,so that clear illumination of the solar street lamp is guaranteed.

The invention discloses a reinforcing method and a supporting assembly for an integrated cooker smoke exhaust pipe. The reinforcing method includes the following steps that (a), clamping protection plates are assembled; (b), a reinforcing position is determined; (c), side clamping rods are mounted; (d), upper and lower clamping protection is carried out; and (e), left and right connection is carried out. The supporting assembly comprises a mounting plate, a supporting block is arranged on the mounting plate, a fixing screw is arranged on the supporting block, and supporting nuts and the clamping protection plates are connected to the fixing screw. The clamping protection plates comprise telescopic plates and arc-shaped protection plates, the arc-shaped protection plates are arranged on thetelescopic plates, the supporting nuts support the telescopic plates, and the side clamping rod are arranged between the arc-shaped protection plates. The reinforcing method is easy to operate, low in difficulty, wide in reinforcing range, good in reinforcing effect and easy to adjust, the reinforcing quality can be effectively guaranteed, the problem caused by the fact that the hole size of a kitchen cabinet plate is not matched with the pipe diameter of the smoke exhaust pipe is solved, and the supporting assembly is novel in structure, capable of being flexibly assembled on site, high in adaptability, good in supporting effect and reliable to use.

The invention relates to a power grid fault state and fault type detection method. The method comprises steps of establishing a model, establishing a standard database, obtaining an actual grid faultstate of a target fault at different time, searching and obtaining a target fault type and the like. The power grid fault state and fault type detection method analyzes and summarizes the relationshipbetween actual grid faults and fault types of the target fault, analyzes the fault state of the actual fault state at different time, and improves support of power grid fault detection technology formillisecond real-time control service in the prior art, thereby improving fault abnormity event disposal efficiency and improving technical support level for safe and stable operation of a power grid.

A compression garment comprises panels of elasticised fabric joined by seams of flat lock stitching to define, when worn, specific areas of compression, areas of compression being: the perineum, caesarian wound area and rectus abdominus muscles; or the perineum and the pelvic joints.

The invention discloses a chest expanding instrument and belongs to the field of exercising instruments. The chest expanding instrument comprises a support, a back support part, arm stretching load-bearing parts and holding devices, wherein the back support part is mounted on the support; the two arm stretching load-bearing parts are mounted on two sides of the back support part, and the arm stretching load-bearing parts can perform resistance-resisting clamping under a horizontal state; the two holding devices are respectively fixedly arranged at the tail ends of the two arm stretching load-bearing parts; each arm stretching load-bearing part comprises an upper arm support part and a lower arm support part, the upper arm support part and the lower arm support part can perform resistance-resisting clamping, and each holding device is fixedly arranged at the tail end of the corresponding lower arm support part. The chest expanding instrument has the advantages that the chest expanding instrument is balanced in shaping effect, movement deformation cannot occur easily, joint damage can be prevented, and the like.

The invention discloses a positioning fixture for repairing welding of a workpiece gripped by a robot. An arm of the robot is provided with a robot gripping tool; the positioning fixture for repairing welding of the workpiece gripped by the robot comprises a substrate, wherein the substrate is provided with a fixture column; the fixture column is provided with a robot gripping tool positioning fixture matched with the robot gripping tool; the robot gripping tool positioning fixture comprises a gripping tool positioning mechanism and a gripping tool locking mechanism. By the fixture, the robot gripping tool can be positioned and locked by the robot gripping tool positioning fixture in the air, more support is obtained, external force from a welding device during welding can be better borne, the positions of the robot gripping tool and the workpiece are stably kept, and the welding quality is better ensured.

The invention provides a cold box for transporting bananas in summer. The cold box comprises a heat preservation box body used for containing bananas, an eccentric gravity supporting mechanism used for supporting the bananas, a self-adaptive banana containing mechanism used for containing the bananas and a wet and cold heat dissipation mechanism used for conducting cold preservation and heat dissipation. The eccentric gravity supporting mechanism is arranged in the heat preservation box body, and the self-adaptive banana containing mechanism is arranged on the eccentric gravity supporting mechanism. The invention relates to the field of banana transportation. According to the cold box for transporting the bananas in summer, a unique special structure for cold insulation, moisture preservation and collision prevention of the bananas is designed according to the problems that bananas swing and impact in the transporting process and the stacking, extruding and ventilating effects are poorat present, and therefore the problems that when bananas are transported through a common cold chain, the bananas get close to one another, ventilation is poor among the bananas, the bananas are prone to damage due to mutual extrusion and collision, the damaged bananas easily cause gradual deterioration of the surrounding bananas, and the bananas are seriously damaged in the transportation process are solved.

The invention provides a decision support auxiliary system for an agricultural product supply chain. The decision support auxiliary system aims at solving the problems that in the existing agricultural product supply chain, information flow is not smooth, and the information network update is not timely. The decision support auxiliary system for the agricultural product supply chain comprises a crop GIS module, a logistics GIS module, a price GIS module and an analysis module. The crop GIS module acquires crop growth and harvesting information of an agricultural product producing area, the logistics GIS module acquires crop transportation and storage information, the price GIS module acquires the current market average price of crops, and the analysis module provides a decision support according to the information acquired by the crop GIS module, the logistics GIS module and the price GIS module. The information needed for logistics decision making is acquired in the whole process of the agricultural product supply chain, the logistics informatization efficiency is improved, and the comprehensive auxiliary support can be provided for a decision making system.

The invention discloses a connecting structure of a steel pipe column and a steel beam. A connecting component comprises at least one connecting plate, one side of the connecting plate is used for being attached to the steel pipe column, the other side is used for being connected with an end plate of the steel beam, the end plate is provided with a through hole, the connecting plate is provided with a first threaded hole, the first threaded hole is matched with a unilateral bolt, the unilateral bolt sequentially penetrates through the end plate, the connecting component and the steel pipe column wall, the threaded part of the unilateral bolt is sequentially matched with the first threaded hole and a second threaded hole pre-formed in the steel pipe column, and the connecting component is matched with the unilateral bolt to enable the steel beam to be connected with the steel pipe column and to be fixed. The connecting component plays a role of connection and is also an enhancing component at the same time, through the connecting component, the anchoring length of the bolt, the thickness of the steel pipe column wall and the effective thickness of the outer side of the beam end plate are increased, the anti-deformability of the end plate outside the beam and the steel pipe column is improved, and the anchoring length of the bolt is increased.

The invention relates to a soft rock roadway whole digging shield support and belongs to the field of mining machinery manufacturing and application. The soft rock roadway whole digging shield support is composed of a semicircle protective arch, two hydraulic support pillars (1) which are arranged on the left side and the right side and a support seat. The upper ends of the two hydraulic support pillars (1) are connected with the semicircle protective arch respectively through a supporting lug (5) and a connecting pin. The lower ends of the two hydraulic support pillars (1) are respectively fixed on pillar fixing seats (6) of two sides of the support seat. Two groups of parallel telescopic guide rails (7) between the two pillar fixing seats(6) are connected to form the support seat. A pipe bending cylinder fixing seat (8) and two lateral pipe bending cylinder (9) are arranged in the middle of the middle portion of the two groups of parallel telescopic guide rails (7). The periphery of the soft rock roadway whole digging shield support can simultaneously bear pressure, compressive strength is high, bearing force is large, operation is convenient, and combination between components is tight. Through optimization design, from the aspects of convenient tunnel construction, the structure innovation and the like, Security, adaptation, technical advancement and economy of a soft rock supporting engineering are entirely improved.

The invention discloses a light climbing mold steel frame system. The system comprises a main platform, a lower platform and a repair platform; the main platform comprises multiple climbing lead screws, a main support frame and a template support sliding module; the main support frame is detachably connected with a cast wall outer wall; the template support sliding module is slidingly mounted on the top surface of the main support frame, and moves in the transverse direction of the main support frame; a template is mounted on the side surface, towards a wall, of the template support sliding module; the climbing lead screws are mounted parallel to the wall; one ends of the climbing lead screws are detachably fixed on the wall, and the other ends are detachably connected with the main support frame; and the main support frame moves in the longitudinal direction of the climbing lead screws. The climbing system needs no operation of a climbing rod penetrating in a hydraulic oil cylinder; and the lead screws are adopted as climbing mechanisms, so that the fixation of the wall and the lead screws can be finished only by needing pins, the operation is simple, and the safety is high.

The invention relates to the technical field of robots, in particular to a robot based on laser SLAM. The robot based on laser SLAM comprises a robot body and an installation seat. The robot body is arranged in the middle area of the top of the installation seat. The bottom of the installation seat is provided with multiple trundles. The robot based on laser SLAM further comprises at least four anti-collision mechanisms installed on the outer periphery of the installation seat and at least four anti-toppling mechanisms installed at the bottom of the installation seat. Each anti-collision mechanism comprises an arc baffle, a horizontal movement rod, a first press plate, a first limiting plate and a first spring, wherein one end of the horizontal movement rod is connected with the arc baffle, the other end of the horizontal movement rod extends into the installation seat and is provided with an upper wedge-shaped block, the first press plate is fixed to the horizontal movement rod, the first limiting plate is fixed into the installation seat, the horizontal movement rod penetrates through the first limiting plate, the first spring is arranged on the horizontal movement rod in a sleeving manner, one end of the first spring is connected with the first press plate, and the other end of the first spring is connected with the first limiting plate.

The invention discloses a comprehensive pest and disease control and prevention method for pollution-free figs. The method comprises the steps of field selection, seedling raising, orchard management, and control and prevention for black spot, anthracnose, rust diseases, deadwood diseases, apriona germari, scarabs and spider mite. According to the comprehensive pest and disease control and prevention method for the pollution-free figs, through comprehensive management, the whole growth cycle of the figs is monitored, prevented and controlled in an all-around mode, a set of complete handling method is summarized according to multiple years of practical application experience, and relatively comprehensive support can be provided for the pest and disease control and prevention of the figs; baiting trees are reasonably arranged in an orchard, apriona germari can be effectively controlled through plant inducement, and because apriona germari has obvious behavior guidance in an adult period, large-area treatment measures can be taken through the baiting trees in real time, and a good basis is provided for artificial pest killing; soaking and disinfecting are conducted on seedlings in an early seedling-raising period, and therefore the survival rate of the seedlings is increased.

The invention relates to the technical field of intelligent dust collectors, in particular to an intelligent dust collector with a size-adjustable suction nozzle. Comprising a dust collector body, a suction nozzle, a suction head size adjusting system and a connector, the suction head size adjusting system is installed on the suction nozzle, the suction nozzle is made of a metal material capable of deforming, the suction head size adjusting system comprises an automatic adjusting device and an electric control driving device, the automatic adjusting device is installed in the suction head size adjusting system, and the connector is connected with the automatic adjusting device. The electric control driving device is arranged on the outer side wall of the suction head size adjusting system, the output end of the electric control driving device is in transmission connection with the automatic adjusting device, and a regulation and control switch is arranged on the dust collector body and electrically connected with the electric control driving device. According to the intelligent dust collector, the size of the suction nozzle of the dust collector can be controlled by an operator through the key, the size of the opening of the suction nozzle made of the deformable metal material is changed, free switching between rapid dust collection in an open area and contraction dust collection in a narrow area can be achieved, and practicability is improved.

The invention discloses a cache-based efficient tax data analysis method. The method comprises the following steps: mining valuable detail data though association analysis on the basis of a large amount of tax detail data; establishing a tax data cube, carrying out multi-dimensional depth processing on the detail data through an on-line processing technology, and converting the original detail data into summarized data which is understood by users and truly reflects the tax multidimensional feature. According to the method provided by the invention, by the association analysis on a large amount of tax detail data, unreasonable and non-conforming tax data is eliminated, the correct and valuable tax data is retained, and thus the correctness of decision-making is supported; by establishing the tax data cube, the tax data is multi-dimensionally processed, and different tax features can be found, and thus the comprehensiveness of decision-making is supported; the scheduling task is set to update analysis data in time, and the time is exchanged with the space on the basis of fully utilizing resources, so that the analysis efficiency is greatly improved.

The invention belongs to the technical field of fruit processing equipment, and particularly discloses fruit washing and drying equipment. The fruit washing and drying equipment comprises a washing unit, a drying unit and a power unit, wherein the washing unit comprises a washing cylinder and a communicating column; a groove is formed in the inner wall of the washing cylinder; a lower plunger is in sliding connection to the lower end of the communicating column; a supporting plate is arranged on the lower plunger; a ball bearing clamped with the groove is arranged on the side wall of the supporting plate; the upper end of the communicating column is located on the washing cylinder; an upper plunger is in sliding connection to the upper end of the communicating column; a mounting plate is fixed to the lower part of the upper plunger; a plurality of brush rods which can penetrate in the washing cylinder are fixed in the mounting plate; the drying unit comprises a drying cylinder; a sliding groove is formed in the outer wall of the drying cylinder; a feeding plate is arranged on the washing cylinder; the power unit comprises a push rod and a power device; one side of the push rod is located in the washing cylinder, and a horizontal rod is connected to the other side of the push rod; and a rolling ball is arranged on the horizontal rod. Through the adoption of the fruit washing anddrying equipment disclosed by the invention, the washing of fruits is thorough and clean; after washing is completed, the fruits can be automatically transported to the drying unit; the fruit washingand drying equipment is high in efficiency.

The invention discloses a tunnel construction method for passing through weak broken surrounding rock. A supporting structure of a constructed tunnel comprises a tunnel primary supporting structure for carrying out primary supporting on the constructed tunnel and a tunnel secondary lining which is arranged on the inner side of the tunnel primary supporting structure and used for carrying out secondary supporting on the constructed tunnel. The method comprises the steps that 1, an upper pilot tunnel is excavated and supported; 2, a middle pilot tunnel is excavated and supported; 3, a lower pilot tunnel is excavated and supported; and 4, tunnel secondary lining construction is carried out. According to the tunnel construction method, the constructed tunnel is anchored through expandable anchoring devices, and the overall stability of the constructed tunnel is improved; and the expandable anchoring devices are arranged at the bottom and the top of a steel arch frame in the upper pilot tunnel correspondingly, the expandable anchoring devices are arranged at the bottom and the middle of a steel arch frame in the middle pilot tunnel correspondingly, and therefore the supporting effect of primary supporting in the constructed tunnel is improved, and the overall stability of the constructed tunnel is enhanced.

An angle plug device for fixing a lamp post comprises an angle plug body, wherein a primary loading angle plug and at least two branched angle plugs are arranged at the lower end of the angle plug body; the upper ends of the branched angle plugs are fixedly connected to the angle plug body, and the tail ends of the branched angle plugs are slantly arranged outwards. By designing pins with branched angle plug structures, a part of weight of a lamp loaded by the primary loading angle plug is conveyed to the branched angle plugs, so that soft soil can better bear the weight of the lamp. Meanwhile, the branched angle plugs also play a role in supporting the angle plug body; and the angle plug body is supported more comprehensively by the arrangement of the multidirectional branched angle plugs, therefore, the stability of vertically arranging the lamp post is effectively improved.

The invention discloses a counterweight base of a strong-wind-preventing sunshade. The counterweight base comprises a housing (1) and an umbrella handle insertion barrel (2), wherein the umbrella handle insertion barrel (2) is composed of an inner embedded part (2.1) extending into the housing (1) and an extending-out part (2.2) extending out of the housing (1); the bottom of the umbrella handle insertion barrel (2) is perpendicularly and fixedly arranged on the bottom surface of the housing (1); the middle part of the umbrella handle insertion barrel (2) is fixedly connected with the upper surface of the housing (1); a hollow water storage cavity (3) is arranged in the housing (1); and a water injecting hole (4) and a water draining hole (5) are formed in the housing (1). In use, counterweight water is injected and is drained by opening the water draining hole while transportation and storage are needed, so that light transportation can be realized, and use is flexible and convenient. The umbrella handle insertion barrel is embedded into the housing, and extends out of the upper surface of the housing and has enough barrel insertion depth, so that the sunshade is stably supported without easily falling. The umbrella surface is strengthened by 360 degrees to surround and support the umbrella handle insertion barrel, so that an umbrella handle is supported more stably and comprehensively.

The invention relates to a high-efficiency calibrating and leveling machine for silicon steel columns. The machine comprises a machine frame, a calibrating and leveling device located in the middle of the upper end of the machine frame and a plurality of transmission shafts linearly arranged at equal intervals on the two sides of the calibrating and leveling device, wherein the plurality of transmission shafts are driven to rotate in the same direction through a transmission system; the calibrating and leveling device comprises a square frame body composed of four metal plates, a first clamping plate and a second clamping plate are oppositely arranged in the square frame body, the second clamping plate can horizontally slide relative to the first clamping plate, and a silicon steel column calibrating and leveling channel with an adjustable interval is formed between the first clamping plate and the second clamping plate; a pressurizing device capable of vertically ascending and descending is further arranged in the square frame body, the lower end of the pressurizing device is connected with a horizontal pressing plate, and a connecting plate is further fixed below a metal plate at the upper end in the square frame body; and a conveying frame is further arranged on the machine frame. According to the high-efficiency calibrating and leveling machine, the clamping is stable, the stress on the silicon steel columns is even in the calibrating and leveling process, the silicon steel columns are comprehensively supported after bearing pressure, secondary deformation is avoided, and the calibrating and leveling effect is good.

The invention discloses a method for reinforcing a brick wall of an ancient building. The method comprises the following steps of (a) wall surface treatment, (b) foundation arrangement, (c) enclosureunit installation, (d) vertical standing, (e) corner arrangement, and (f) protection unit installation. The method for reinforcing the brick wall of the ancient building has the advantages that the process is simple; the operation difficulty is low; the operation is performed from small to large and from local to whole, and is reasonable and ordered; the gradual formation is realized; the reinforcing quality can be easily guaranteed; the inner and outer wall surfaces and the corners are reinforced at the same time; the comprehensiveness is high; and the reinforcing effect is good.

The invention discloses a cylinder head camshaft hole machining machine tool. The cylinder head camshaft hole machining machine tool comprises a frame. A cutter rest, a clamp, a console and a hydraulic station are arranged on the frame. A rod-shaped cutter, a driving device for rotating the cutter and support frames arranged in the advancing direction of the cutter are arranged on the cutter rest.The cutter comprises a cutter bar. Multiple sets of grooves are formed in the cutter bar. The two grooves, namely the fine boring cutter and the rough boring cutter, are formed in each set. The fineboring cutters or the rough boring cutters are fixed in the grooves by fasteners. Clamps are arranged between the support frames, and multiple support blocks, limiting blocks, retractable positioningpins and clamping arms are arranged on each clamp. The invention further discloses a using method of the cylinder head camshaft hole machining machine tool. The cylinder head camshaft hole machining machine tool and the using method solve the problem that the machining efficiency of an engine cylinder head camshaft hole in the prior art is low, and the accurate positioning by sensors makes it difficult for the cutter or a workpiece to be damaged due to human operation error during the machining process.

The invention relates to the technical field of toilet pedal, and especially relates to a toilet pedal that expands attachment area based on pressure. The technical problem to be solved by the invention is that the toilet pedal is easy to slide. In order to solve the above technical problems, A lavatory pedal base on pressure expansion of an attachment area is provided, comprises an injection molded integral set table, A sleeve opening is arranged on the top of the front plate of the sleeve table, The top of both sides of the sleeve table is cut with a groove diameter, a pedal is sleeved in the groove diameter, the top of the pedal is fixedly connected with the top ends of a plurality of force transmission rods, the bottom end of the force transmission rods penetrates the top of the groovediameter inner wall and extends into an opening opened at the bottom of the sleeve table, and the top of the cavity of the opening is sleeved with a brake plate. At this time, that friction force between the two side of the sleeve table and the ground can be increased, so that the sleeve table can be stably place on the ground, and the sleeve table cannot be easily slid.

The invention discloses a stably supported sunshade balance weight base and a usage method thereof. The balance weight base comprises a housing (1) and an umbrella handle insertion cylinder (2), wherein the umbrella handle insertion cylinder (2) is composed of an embedded portion (2.1) embedded into a housing (1) and an extending portion (2.2) extending out of the housing (1), the bottom of the umbrella handle insertion cylinder (2) is vertically fixed to the bottom surface of the housing (1), and the middle of the umbrella handle insertion cylinder (2) is fixedly connected with the upper surface of the housing (1). The housing (1) is a hollow water storage cavity (3) and is provided with a water injection port (4) and a water discharging port (5). The stably supported sunshade balance weight base can be used only by injecting balance weight water, the water discharging port is opened when transportation and storage are needed, light carrying can be achieved by discharging out the balance weight water, and the sunshade balance weight base is flexible and convenient to use. The umbrella handle insertion cylinder is embedded into the housing and extends out of the upper surface of the housing, has enough insertion depth, makes supporting stable and makes toppling not likely occur. A reinforcing sector surrounds and supports the umbrella handle insertion cylinder at 360 degrees, and umbrella handle supporting is stable and comprehensive.