79results about How to "Large area of ​​action" patented technology

The invention discloses a gynecology administration device. The gynecology administration device comprises a drug pushing tube, an outer sleeve and a drug distributing tube, wherein the drug pushing tube is provided with a drug inlet and outlet hole in the front end face, and a first O-type ring is fixed to the outer side wall of the front end of the drug pushing tube; the outer sleeve is arranged outside the drug pushing tube in a sleeving mode, and a second O-type ring is fixed to the inner side of the front end of the outer sleeve; the drug distributing tube is arranged outside the drug pushing tube in a sleeving mode, the rear end of the drug distributing tube is connected with the outer sleeve in a sealed mode, administration holes are formed in the bottom and the side wall of the drug distributing tube, a communicating groove is formed in the inner tube wall of the drug distributing tube, and when the front end of the drug pushing tube abuts against a limiting protrusion, interlayer spaces before and after the first O-type ring are communicated. The administration device discharges a drug through the multiple holes, administrates the drug evenly, is large in acting surface, prevents the drug from accumulating locally, and ensures that the drug fast takes effect on the focus portion in time, and therefore the use efficiency and the treatment effect of the drug are improved; the drug distributing tube is disposable, so that the gynecology administration device is safe and sanitary, the drug pushing tube and the outer sleeve are convenient to clean and can be recycled, and therefore the cost of treating gynecological disease is reduced; excessive drug residue can be avoided, drug waste is reduced, and the gynecology administration device can be operated coherently, smoothly and easily.

The invention relates to an elevated passenger railway with parallel elevated road upper and lower lanes respectively arranged at both sides of a line, belonging to the technical field of railway and road construction and solving the problems that a permeation ground environment under a traditional passenger railway elevated is not utilized, a city circle does not simultaneously satisfy a public traffic road mode and road network which has high speed, large rated passenger capacity, convenience of transfer and good accessibility and can keep permeation of the ground, and the number of cars on the road is large to cause urban traffic congestion. Based on the technical scheme, the upper and lower lanes of a parallel elevated road are respectively arranged at both sides of an elevated passenger railway line and a passenger station at a short range, a passenger can transfer between a highway and a railway at a same station, forwards and reversely transfer at the short distance, and the parallel elevated road can fulfill the functions of blocking, absorbing and scattering railway noises. The invention has the purposes that a highway and a railway are parallel matched for complementing in actions to enable a region along the elevated passenger railway line to form an urban region which is beneficial to business enterprise development and has relatively balanced working places and resident places, large scale and high population, and solves the problem of urban traffic congestion considered from the whole city circle construction.

The invention relates to a gun rivet and a device for installing the gun rivet. The gun rivet has a rivet body (1) with a flange at one end and a tip at another end. A cavity of borehole shape is disposed at sleeve section in the rivet body. The gun rivet as other gun rivets is shot into two sheets to be joined through sudden movement and rivet tip inserts in the sheets until the flange butts the upper side of the sheet, the pulling bolt is inserted into the cavity and connected with bottom of the cavity. The invention can be accomplished by resistance welding; pulling bolt is continuously pulled until oppositely positioned surface of the two sheet forms rivet head, then the pulling bolt is released from set gun rivet through such as shearing. The pulling bolt can be used in another mounting process.

The invention discloses a sea reclamation area inland river dredging device, and belongs to the technical field of dredging. The device comprises a loading platform which is a ship body, a rotary siltconveying mechanism is connected to the outer side of a ship head, and a stirring mold closing mechanism and a stacking transporting mechanism are connected to the bottom face of a ship cabin, wherein the rotary silt conveying mechanism, the stirring mold closing mechanism and the stacking transporting mechanism are symmetrically distributed relative to the symmetrical face of the loading platform and are connected end to end; the rotary silt conveying mechanism comprises a lifting adjusting mechanism and an elevator; and the stirring mold closing mechanism comprises a stirring spraying mechanism and a mold closing mechanism, wherein the stirring spraying mechanism is located above the side, close to the ship head, of the mold closing mechanism and under the part, extending in to the inner side of the ship cabin, of the rotary silt conveying mechanism. According to the device, the functions of rotary silt conveying, stirring crushing, mold closing curing and stacking transporting areachieved; the problems about high processing cost of silt transferring transporting and environmental pollution and large occupied space caused by stacking and transporting are solved; the problems about incomplete dredging, small loading capacity and low dredging efficiency are solved; and the device is amphibious, capable of being used for different water depths, wide in application range, highin automation degree and low in labor cost, formed materials can be used as building materials, and the economical and environment-friendly effects are achieved.

The invention discloses a health mattress with elasticity. The health mattress comprises a mattress cover. The mattress cover wraps a top surface body and a bottom surface body, wherein the top surface body is prepared from a toughness material, end heads of the top surface body and the bottom surface body form fixed connections on a support part, a plurality of elastic parts are uniformly distributed between the top surface body and the bottom surface body, and the elastic parts provide elastic supporting effects for the top surface body. According to the present invention, the top surface body prepared from the toughness material is adopted, the end head of the top surface body is fixed, and a plurality of the elastic parts are arranged below the top surface body, such that the top surface body generates the gradual deformation when the top surface body is compressed, the mutant type deformation is avoided, the vertebra of the human lying on the mattress can maintain the normal physiological structure shape, and the deformation generation or the lesion generation can not be induced; the mattress is suitable for a long time use, and provides benefits for the human health; the human body feels comfortable, and the structure is strong and durable.

The invention relates to a biological regulator with a function of increasing fruit setting percentages of fruit vegetables and a method for preparing the biological regulator. The biological regulator comprises, by weight, 6-10 parts of 2, 4-dichlorphenoxyacetic acid, 6-8 parts of diethylaminoethyl hexanoate DA-6, 7-10 parts of forchlorfenuron, 3-5 parts of sodium nitrophenolate, 0.5-1 part of falling preventive elements, 4-5 parts of gibberellin, 8-10 parts of benzylaminopurine, 3-5 parts of dispersing agent ethylene-vinyl acetate copolymers, 2-3 parts of emulsifiers OP-10, 4-6 parts of antifreezing agents ethylene glycol and 100-150 parts of absolute ethyl alcohol. The biological regulator and the method have the advantages that the biological regulator is wide in acting surface and canbe applied to multiple fields; photosynthesis, respiration and substance absorption and translocation of plants can be regulated and controlled, physiological procedures for signal transduction, stoma opening and closing, osmotic adjustment, transpiration and the like can be adjusted, and accordingly growth and development of the plants can be controlled; the biological regulator is low in usage,high in speed and benefit and little in residual toxicity, and only needs to be sprayed once for most fruit vegetables in each season according to set time; the biological regulator rarely can be affected by environments, the fruit setting percentages of the fruit vegetables can be increased by the biological regulator, use modes for the biological regulator are easy and convenient to operate, and the time and labor can be saved.

The invention provides a deep ploughing, smashing and soil loosening machine. The machine comprises a front traction device, a connecting mechanism, a rear floating oil tank, an advancing mechanism and a deep ploughing, smashing and soil loosening device. The front traction device is connected with the rear floating oil tank through the connecting mechanism, the advancing mechanism is hinged to the two sides of the front traction device and the rear floating device, and the deep ploughing, smashing and soil loosening device is hinged to one side of the rear floating oil tank; and the connecting mechanism comprises a front connecting block, a rear connecting block, a knuckle bearing and a hydraulic cylinder connecting mechanism. The deep ploughing, smashing and soil loosening machine has the advantages of being better in damping effect, not prone to being stuck and convenient for operators to construct.

The invention discloses a land preparation method for plum planting. The method includes the first step of land selection: selecting a place with sufficient sunshine and convenient drainage as the planting land for planting plums; the second step of leveling: utilizing a ground leveling machine to level the planting land; the third step of land preparation: adopting a land preparation device to carry out pretreatment and pit excavation. The method mainly solves the problem of low pit excavation efficiency in the existing plum tree planting.

The invention is a boiler flame-side dust-cleaning, coke-cleaning, combustion-supporting, corrosion-resistant four-effect additive, belonging to the additive field, and it is a water solution prepared of the following matters: KNO3 5-8wt%, KNO2 2-5wt%, Mg(NO3)2.6H2O 12-15wt%, Cu(NO3)2.3H2O 1.5-2.2wt%, Al(NO3)3.9H2O 2.5-4wt%, H3BO3 0.2-1.3wt% and the rest water. And its advantage is solving the problems of large dosage of coke-cleaning agent, hard to put in, environmental pollution, single effect, etc.

The invention relates to a device for bending a pin plate of a card reader. The device is characterized by comprising a support column extending longitudinally, a bending cutter holder which is arranged at the lower end of the support column, and a bending cutter which is arranged in the bending cutter holder; the bending cutter comprises a rotation part with an arc section, and a blocky bending part with a flat bottom; a groove for accommodating the rotation part of the bending cutter is formed on the bending cutter holder; and the rotation part can rotate in the groove along a longitudinal plane. The bending part of the bending cutter has the flat bottom, so the action surface is large, and when the pin plate is bent, the action force is stable, the bent shape is standard, and work efficiency is high; and the bending part of the bending cutter is driven by the rotation part to rotate so as to work, so the device has a simple structure and saves cost. The groove of the bending cutter holder can be made to be matched with the outer surface of the outer surface of the bending cutter, and rotation flexibility and stability are considered.

The invention discloses a method for disinfecting a water body based on multi-component composite material visible light catalysis. The method comprises the following steps: adding a zinc-manganese ferrite / nano-silver / graphene multi-component composite material with a two-dimensional nano-structure into the water body, adding hydrogen peroxide, and exciting a visible light catalytic reaction underthe irradiation of visible light to eliminate harmful bacteria in the water body; and after the reaction is finished, recovering the zinc-manganese ferrite / nano-silver / graphene multi-component composite material in the water body through magnetic separation to obtain purified water after disinfection treatment. The prepared multi-component composite material has a magnetic and two-dimensional nano-structure, and compared with a nano-particle structure, the agglomeration of nano-particles can be effectively controlled, and the dispersity of the material in the water body is improved. The multi-component composite material can play a role in disinfection and sterilization under the irradiation of visible light and avoids the use of high-energy-consumption ultraviolet irradiation and also can effectively avoid toxic carcinogenic byproducts caused by chlorine disinfection and the method is a new method which is more environment-friendly and sustainable.

A non-uniform disturbance electrical sparkle micro hole machining device comprises electrical sparkle machining equipment. A tool electrode of the electrical sparkle machining equipment is provided with a disk-type non-uniform disturbance execution piece with a notch, a disk center hole is arranged on the tool electrode through a rubber ring and is located above a workpiece to be machined, the gap between the disk center hole and the upper surface of the workpiece is m, and m is larger than or equal to 0 mm and also larger than or equal to the amplitude of the tool electrode. The non-uniform disturbance electrical sparkle micro hole machining device has the beneficial effects that disturbance directly acts on the vertical direction of a gap flow field and can effectively arrive at the bottom of the machining gap; electrolytic corrosion products are discharged without dead corners, and fluid motion is accelerated; the discharged electrolytic corrosion products can be prevented from flowing back, and one-directional discharging of the electrolytic corrosion products is achieved; the electrolytic corrosion products can be discharged through multiple channels, and electrolytic corrosion product crowding and non-uniform side wall discharging are prevented; and the flowing amount of working liquid is large.

The invention relates to the field of bee mite clearing, in particular to an efficient mite killing smoke machine. According to the efficient mite killing smoke machine, butane gas is ignited througha burning torch so as to generate heat which can vaporize pesticide in a pesticide vaporization chamber, and after the vaporization of the pesticide, the generated mist can act on a honeycomb in a larger area, so that bee mite is eliminated effectively; the efficient mite killing smoke machine is simple and easy to operate, no manpower is consumed, and the action surface is larger and wider than asprayer in the prior art, so that the efficiency is also higher.

The invention discloses a wind-driven automatic farmland irrigating machine, which applies low-quality energy in the environment to irrigation of farmlands. In the invention, wind energy is collected by blades and applied onto a water pump, the water pump pumps low-level water, the low-level water is stored, and when required, water is used to irrigating the farmlands by driving a water pipe and a spray nozzle through a wind-driven vehicle; and thus, a major part of high-quality energy consumed in the conventional agricultural irrigation is saved. With high one input, the wind-driven automatic farmland irrigating machine is suitable for irrigating crops planted in large scale and related industries requiring irrigation and automatic irrigation.

The invention discloses a centrifugal magnetic suspension blood pump with high hydraulic performance. The centrifugal magnetic suspension blood pump comprises a motor and a pump head detachably connected with the motor. The pump head comprises a pump shell with a blood inlet connector and a blood outlet connector, and an impeller contained in the pump shell. The impeller may be suspended within the pump housing and driven by the motor to rotate about an axis of rotation to pump blood from the blood inlet connector to the blood outlet connector. The impeller comprises an impeller shell and blades arranged on the impeller shell, the blades comprise main blades and splitter blades which are distributed in a staggered mode in the circumferential direction, the radial length of the main blades is larger than that of the splitter blades, the outer normal circles of the main blades coincide with the outer normal circles of the splitter blades, and the diameter of the inner normal circles of the main blades is smaller than that of the inner normal circles of the splitter blades.

The invention discloses a multistage spiral magnetorheological absorber piston assembly. The piston assembly mainly comprises a piston rod, a piston, a sealing ring and a coil, wherein the piston is fixed at the end part of the piston rod through a bolt; the sealing ring and the coil are embedded in a groove of the outer surface of the piston; the sealing ring is used for isolating oil in an upper cavity from that in a lower cavity of the piston; the coil can generate a magnetic field when electrified; the magnetic field direction is perpendicular to a spiral runner in the piston to regulate the viscosity of magnetorheological fluid flowing through the runner, so as to change the damping force of the whole absorber. The influence of the magnetic field on the magnetorheological fluid in the spiral runner is maximal theoretically, and the action area of the magnetic field is wider, so that the damping force regulating range can be enlarged to a large extent, multistage control of the damping force can be implemented, the regulating range of the damping force can be enlarged by more spiral runners, and the coil turns can be appropriately reduced. Therefore, the heat value is lowered, and the service life is prolonged.

The invention discloses an experimental device and a method for thick oil water thermal-catalytic cracking under the effect of low frequency vibration waves. The experimental device comprises a reaction tank, a constant temperature heating device, a temperature detecting unit, a pressure detecting unit, an electric vibration experiment stand and a vibration acceleration detecting unit, wherein the electric vibration experiment stand is used for driving the reaction tank to continuously vibrate up and down together with the constant temperature heating device; the vibration acceleration detecting unit is used for detecting the vibration acceleration of the electric vibration experiment stand in a real time manner; the reaction tank is placed in the constant temperature heating device and integrally assembled with the constant temperature heating device; the constant temperature heating device is fixed on the electric vibration experiment stand; and the vibration frequency of the electric vibration experiment stand is 5-500 Hz; and the experimental method comprises the following steps: (1) experiment preparation, (2) preheating, (3) thick oil water thermal cracking experiment under the effect of the low frequency vibration waves, and (4) oil sample extraction and data organization. The invention has the advantages of reasonable design, convenience for mounting and laying, complete functions, simplicity and convenience in use and operation, good use effect and capability of solving various actual problems in the thick oil recovery process.

The invention discloses a jetting mechanism and belongs to the technical field of jetting. The jetting mechanism comprises a gun-barrel welding device, a valve rod, a valve seat, a piston, a first connecting rod, a reset spring, a trigger, a connecting rod reset spring, a case body, a push block and a second connecting rod. A large barrel section of the gun-barrel welding device abuts against the valve seat; the piston is mounted on the inner circumferential face of the valve seat in a sleeved manner; the rest spring is mounted inside the valve seat, and the valve rod is mounted in a cavity formed by the gun-barrel welding device and the piston; the case body is fixed to the outer circumferential face of the valve seat; the first connecting rod is mounted on the case body and moves in the direction in parallel with the axis of the valve rod; one end of the connecting rod reset spring is fixed to the case body, and the other end of the connecting rod reset spring abuts against the end face of the first connecting rod; one end of the push block is fixed to the first connecting rod, and after penetrating a strip-shaped through hole in the valve seat, the other end of the push block is fixed to the piston; and the trigger is mounted on the case body and is connected with the first connecting rod through the second connecting rod. By means of the jetting mechanism, a jetting medium in the cavity of the mechanism can be controlled to be jetted out through a mechanical structure.

The invention discloses a buckle type non-dismantling mold floor slab. The non-dismantling mold floor slab comprises non-dismantling templates, steel wire nets, light steel stand columns and steel braces, wherein one side of each non-dismantling template is a smooth plane and a plurality of pre-embedded omega-shaped parts and a plurality of T-shaped buckles are arranged at the other side of each non-dismantling template; a plurality of male connector grooves and a plurality of female connector grooves are formed in four edges of each non-dismantling template; each steel wire net is provided with a plurality of hanging buckles; each light steel stand column is provided with a plurality of T-shaped grooves; the pre-embedded omega-shaped parts and the steel wire nets are fixedly connected through a first buckle manner; bottom surfaces of the light steel stand columns and the non-dismantling templates are fixedly connected through a second buckle manner; the non-dismantling templates are fixedly connected with each other through a third buckle manner; the non-dismantling templates are rapidly mounted on the light steel stand columns through the connection of a first buckle, a second buckle and a third buckle. The buckle type non-dismantling mold floor slab disclosed by the invention has the advantages that the installation is rapid, the installation is firmer, the construction period is greatly shortened and construction steps of the floor slab are shortened, and the non-dismantling mold floor slab is suitable for being popularized and applied in a large range.

The invention discloses a chest button which comprises a first chest button connector and a second chest button connector, wherein the first chest button connector and the second chest button connector can be connected onto safety seat shoulder girdles respectively; a first shoulder girdle hole for allowing the shoulder girdle to penetrate through is formed in the first chest button connector; a second shoulder girdle hole for allowing the shoulder girdle to penetrate through is formed in the second chest button connector; one end of the first chest button connector and one end of the second chest button connector can be combined through a magnetic attraction structure; when the chest button is used, the ends of the first chest button connector and the second chest button connector are combined through the magnetic attraction structure, and the other ends of the first chest button connector and the second chest button connector are spaced in unfolded states and arranged on the shoulder girdles in a sleeving manner. The chest button is made of a flexible material, has excellent damping and buffering functions and can effectively prevent the chest of a child from being injured; the first chest button connector and the second chest button connector of the chest button can be combined through the magnetic attraction structure, so that a user can conveniently and rapidly combine or separate the chest button, and high convenience and practicality are realized; in addition, a magnet and a metal piece are wrapped in the flexible material, so that the safety is high, and accidental injury caused when the child buckles the chest button with fingers or bites the chest button can be effectively prevented.

The invention discloses a power assembly suspension structure. The power assembly suspension structure comprises a front suspension for supporting an engine from the lower front side, a back suspension for supporting the engine from the lower back side, and an engine longitudinal beam for mounting the front suspension and the back suspension; the front suspension comprises a first lower support piece mounted on the engine longitudinal beam; a conical hole is formed in the first lower support piece; a first upper support piece is coaxially mounted in the conical hole; the outer periphery of thefirst upper support piece is of a conical structure; a first damping block is arranged between the first lower support piece and the first upper support piece; the first upper support piece is connected with the engine; the back suspension comprises a second lower support piece fixedly arranged on the engine longitudinal beam; a second damping block, a second upper support piece and a rubber padare mounted on the second lower support piece through first bolts; the section of the second upper support piece is of a trapezoidal structure; the first bolts penetrate through the lower end surfaceof the second upper support piece; and the rubber pad is positioned in the second upper support piece. The power assembly suspension structure can damp the engine to improve comfort.

The invention relates to an ozone water treatment device for an aquaculture pond. The ozone water treatment device is characterized in that a submersible pump, a water inlet pipeline and a water inlet end of a jet device are sequentially communicated with one another, an ozone generator is communicated with a gas inlet end of the jet device, a water outlet end of the jet device is communicated with a water vapor mixing pipeline, the water vapor mixing pipeline is communicated with a water vapor delivery channel inside a cycloid travel mechanism, the cycloid travel mechanism downwardly extends to the bottom of the pond, an impeller is arranged at the lower end of the colloid travel mechanism and is coaxially fixedly connected with the colloid travel mechanism by a long axis which penetrates the colloid travel mechanism, and frictional force generated by blades and the bottom of the pond when the impeller rotates is used as driving force for the colloid travel mechanism; solar photovoltaic cell panels are used as power sources for the submersible pump, the colloid travel mechanism and a linear travel mechanism, and controllers, light sensors and temperature sensors are arranged on the solar photovoltaic cell panels. The ozone water treatment device has the advantages that dissolved oxygen content conditions of water can be judged by the controllers in real time according to temperature and illumination intensity data, and the submersible pump, the colloid travel mechanism and the linear travel mechanism can be automatically started by the controllers when the corresponding dissolved oxygen content of the water reaches set values.

The invention relates to a boiler hoisting sling in a closed factory area and a construction method thereof. The boiler hoisting sling comprises an underframe, fixed rail beams, a movable rail beam, cathead cranes and a hoist, wherein the underframe is fixed on the ground; the plurality of fixed rail beams are arranged at the top of the underframe; the movable rail beam is suspended below the fixed rail beams through the cathead cranes; and the hoist is mounted on the movable rail beam. The construction method of the boiler hoisting sling in the closed plant area comprises the following stepsof hardening the ground foundation; leveling the ground foundation, and mounting a bottom frame on the ground foundation after the levelness reaches the requirement; mounting six stand columns on thebottom frame, and calibrating verticality; and mounting the fixed rail beams, and sequentially mounting the cathead cranes, the movable rail beam and the hoist after the fixed rail beams are mounted and qualified. In the hoisting process in a closed factory building, the hoisting process is flexible to rotate, safe and reliable, so that manpower input is effectively reduced, labor production efficiency is improved, and construction progress is accelerated.

The invention discloses a hanging basket and rear anchor connection structure for municipal bridge engineering construction. The structure comprises a pull rod and a box girder, the box girder is provided with a vertical secondary tension anchor, and the vertical secondary tension anchor comprises an anchor cup, a steel stranded wire, a support nut and an anchor pad plate; the outer wall of the anchor cup is provided with a flange, the lower portion of the flange of the anchor cup is sleeved with a connecting plate, and the connecting plate is provided with a through hole with the inner diameter greater than the outer diameter of the anchor cup and smaller than the outer diameter of the flange; the portion, between the connecting plate and the support nut, of the anchor cup is in threadedconnection with an adjusting plate, and bolts holes are evenly formed in the circumferential direction of the flange and the adjusting plate; the structure further comprises locking bolts which are inthreaded connection with the bolt holes and are used for pressing the connecting plate; the structure further comprises a connecting sleeve, one end of the connecting sleeve is provided with a flangeplate connected with the connecting plate through the bolts; the end, away from the flange plate, of the connecting sleeve is provided with a threaded sleeve, the lower end of the pull rod is in threaded connection with the threaded sleeve, and the upper end of the pull rod is connected with a hanging basket. The structure is used for achieving the reliable connection of the vertical secondary tension anchor with the steel stranded wire and the pull rod with the hanging basket.

The invention discloses an integrated stormy-wave-proof ecological floating ball used for water ecological restoration. The integrated stormy-wave-proof ecological floating ball comprises a floating ball body, a fixing device, a wave-proof device, a microbial purification device and an aeration device, wherein the fixing device comprises a clamping and fixing mechanism and a fixing pipe; the top of the fixing pipe penetrates through the top of the inner wall of the floating ball body; and in addition, after the top of the fixing pipe extends out of the top of the floating ball body, the top of the fixing pipe is in threaded connection with the clamping and fixing mechanism; the bottom of the fixing pipe penetrates through the bottom of the floating ball body; after the fixing pipe extends out of the bottom of the floating ball body, the fixing pipe communicates with a balance weight ball body; the outer wall of a sponge cover is fixedly connected with the inner wall of the fixing pipe; a spherical cavity is arranged in the balance weight ball; a plurality of root system holes are arranged on the inner wall of the spherical cavity and communicate with an external water body; the wave-proof device is in sleeving to the outer wall of the floating ball body; the microbial purification device is in sleeving to the bottom of the outer wall of the fixing pipe; the top of the microbial purification device is fixedly connected with the bottom surface of the floating ball body; the aeration device is arranged at the bottom of the inner cavity of the floating ball body; and the aeration device is in sleeving to the outer wall of the fixing pipe.

The invention discloses a clamp for laser welding of a T-shaped connector. The T-shaped connector comprises a base plate and a rib plate perpendicular to the base plate. The clamp comprises a locatingmechanism enabling the base plate and the rib plate to be perpendicular to each other in the welding process. The locating mechanism comprises a base, two stand columns which are perpendicular to thebase plate and located on the two sides in the axial direction of the base and tightly pressing devices matched with the base and the stand columns. Each tightly pressing device comprises two grabbing plates oppositely arranged, a connection plate which is located between the two grabbing plates and connected with one ends of the grabbing plates, protrusions or grooves located at the other ends of the two grabbing plates and tightly pressing columns which penetrate through the connection plate and are connected with the connection plate in a threaded manner. The tightly pressing devices are connected with the stand columns and the base through the protrusions or the grooves and can move in the axial direction of the base. The tightly pressing devices can move up and down along the stand columns.

The invention discloses a folding lamp capable of expanding the illumination area. The folding lamp comprises a base, supporting rods, a supporting plate, a cover plate, supporting bases, a plurality of connection shafts and the like. The two supporting bases are arranged on one side of the base. One end of each supporting rod is arranged on the inner side of the corresponding supporting base through a corresponding connection shaft. One end of the supporting plate is connected with the other end of each supporting rod through a corresponding connection shaft. The other end of the supporting plate is connected with the cover plate through the corresponding connection shaft. The cover plate is composed of a first cover plate body, a second cover plate body, a baffle and a switch. The bottom face of the first cover plate body and the bottom face of the second cover plate body are provided with LEDs respectively. The switch is arranged on the side face of the first cover plate body. The LED on the bottom face of the first cover plate body is connected with a plug through the switch. The first cover plate body, the second cover plate body and the baffle are made of conductive metal, and the exposed portions are coated with insulating layers. The current is led to the second cover plate body and inner plates in a mutual contact mode. The second cover plate body is turned over, and the inner plates are pulled out of the two cover plate bodies, so that the illumination area is broadened, and meanwhile the storing space is guaranteed.

The invention discloses a magnetic hernia patch. A magnet is arranged on a patch body and is a round sheet, and a magnetic hole allowing the magnet to penetrate is formed in the center of the magnet.The invention further discloses a magnetic scalpel matched with the magnetic hernia patch for use. The magnetic hernia patch is taken into consideration together with the magnetic scalpel when designed, thereby being convenient to place and take.

The invention relates to a shock-absorption type machine table base, which comprises a base platform, wherein the base platform consists of three layers including a first steel plate, a rubber layer and a second steel plate, the first steel plate is a top layer, the rubber layer is a middle layer, the second steel plate is a bottom layer, a plurality of high-intensity screw bolts are arranged at the edge parts of the base platform and are used for tightly fixing the first steel plate, the rubber layer and the second steel plate, and the bottom surface of the base platform is provided with four support feet. The shock-absorption type machine table base has the advantages that the shock absorption is realized through adopting a mode of clamping rubber between two steel plates by the high-intensity screw bolts, the rubber has small counter acting force on the shock, and a good shock absorption effect can be achieved.

The invention discloses a part for cleaning and pumping sludge in a pile, sludge pumping equipment and method and belongs to the technical field of pile foundation construction. The part and the sludge pumping equipment comprising the part comprise a rack, wherein the rack can slide up and down in the pile, a sludge dredging pump is arranged on the lifting rack, a cone-shaped guide hood is connected below the sludge pumping pump, a high pressure nozzle is arranged in the circumferential direction of the outer surface of the guide hood, and the high pressure nozzle is connected to a high pressure water pipe; and a blow-off pipeline connected outside the pile is arranged on the guide hood. By crushing sludge in the pile by means of a high-pressure water jet, wear of working equipment is relatively low, and the working cost can be lowered. The water jet is wide in action surface, so that the inner wall surface of a steel pile can be eliminated, and therefore, the cleaning effect is improved greatly and the eliminating area can reach 95%. By designing an immersible sludge dredging pump, the sludge dredging pump is directly acted to a sludge dredging area in the pile. The suction forceat a pump port is large, so that the efficiency of pumping sludge in the pile is improved.