34results about How to "Realize self-closing" patented technology

The invention provides a blocking valve, a grouting sleeve and a prefabricated component connecting method. The steel bar connection grouting sleeve has a sealed space, and can be automatically sealed after grouting, and the grouting degree can be observed in a grouting process. Compared with an existing open sleeve, the grouting sleeve has the advantages that higher pressure can be born in the grouting process, the grouting sleeve can be automatically sealed after grouting, and the grout fullness of the sealed space can be observed in the grouting process, thereby monitoring the grouting quality of the grouting sleeve. The blocking valve, the grouting sleeve and the prefabricated component connecting method can be widely applied to a grouting sleeve connection process in the technical field of building construction.

The invention relates to a modular working-condition-variable medical air purifying system which comprises a medical air exhaust and fresh air integrated cabinet, a uniform air mixing and air supplying ceiling and a return air treater. The medical air exhaust and fresh air integrated cabinet is used for treating and outputting input fresh air and to-be-exhausted air, the uniform air mixing and air supplying ceiling is used for uniformly mixing, filtering and outputting introduced fresh air in a form of weak turbulence, and the return air treater is used for purifying, filtering and outputting return air. By utilizing the air purifying system postoperative infection rate can be lowered obviously, energy consumption can be lowered greatly, and building cost, building period and space requirements (needlessness of special machine room, few valves and short air pipe) of an operation room can be lowered remarkably at the same time. In addition, the invention further relates to the corresponding operation room.

The invention relates to an upper-supply and upper-return type air purification system which comprises a gym air exhaust and ventilation integrated cabinet, an air supply ceiling and an exhaust port, wherein the gym air exhaust and ventilation integrated cabinet is used for inputting fresh air and air to be exhausted, treating the fresh air and the air to be exhausted and outputting the fresh air and the air to be exhausted; the air supply ceiling is used for evenly mixing the induced fresh air and returned air, filtering the induced fresh air and the returned air and outputting the induced fresh air and the returned air into a room; and the exhaust port is used for outputting the air to be exhausted in the room to the outside through the gym air exhaust and ventilation integrated cabinet. Through the air purification system, a plurality of treatment functions including ventilation, exhaust, dehumidification, temperature adjustment, purification and the like are achieved at a time, and waste heat / waste cold is utilized so that energy saving can be achieved, the fresh air treatment function and the returned air treatment function are completely separated, and energy saving is achieved; through a fan filter unit (FFU) installed in the position of the air supply ceiling, fresh air is input into the room (upper supply), returned air is sucked through an air return port in the position of the air supply ceiling (upper return), and an independently arranged air return treatment device, an air return pipeline and a passageway are completely omitted; and the returned air and the fresh air can be evenly mixed, and the outlet air quality is improved.

The invention relates to a low-noise modular air purification system. The low-noise modular air purification system comprises a medical exhaust air and fresh air integrated cabinet, a return air processing and air supply ceiling and return air ports, wherein the medical exhaust air and fresh air integrated cabinet is used for feeding fresh air and to-be-exhausted air and exhausting the fresh air and the to-be-exhausted air after processing; the return air processing and air supply ceiling is used for evenly mixing, purifying and filtering the introduced fresh air and return air and exhausting the mixed air in a light turbulence mode; and a medical room and a return air channel communicate through the air return ports so that the return air can be introduced into the return air processing and air supply ceiling. The low-noise modular air purification system can remarkably decrease the rate of postoperative infection and greatly reduce energy consumption; meanwhile, through highly integrated equipment and the modular installation mode, the construction cost and complexity are remarkably reduced, so that the construction cost of operating rooms is remarkably reduced, and the construction period of operating rooms is remarkably shortened; due to the facts that no special machine room or return air pipeline is required and the number of valves is small, the space requirements are reduced remarkably; and besides, noise can be remarkably lowered on the premise that sufficient air volume is ensured.

The invention discloses a DC electrical docking device capable of automatically pulling-in and disconnecting, comprising a floating module and a fixed module, wherein, the floating module consists ofa wiring post A, a wiring post B, a plug A, a plug B, a traction conductor A, a traction conductor B, a return spring A, a return spring B, a floating butt joint, a floating contact point A, a floating contact point B, a permanent magnet A and a permanent magnet B; and the fixed module consists of a permanent magnet C, a permanent magnet D, a fixed contact point A, a fixed contact point B and a fixed butt joint. The return spring A and the traction conductor A are communicated with the floating contact point A and the wiring post A; and the return spring B and the traction conductor B are communicated with the floating contact point B and the wiring post B. When the floating module is close to the fixed module, the permanent magnet A is connected with the permanent magnet C in an actuatingmanner, and the floating contact point B is connected with the permanent magnet D in an actuating manner; and when the floating module is separated from the fixed module, the two traction conductorspull away the two floating contact points to disconnect circuits with each other. The device can keep conduction in the case of vacillation and dislocation of the two plug bodies, and is particularlyapplicable to the fields of remote circuit conduction, field remote control operation and the like.

The invention discloses an intelligent disproportionated rosin potassium soap rubber additive blender and a using method thereof. The intelligent disproportionated rosin potassium soap rubber additiveblender comprises a charging barrel; a stirring shaft, which is controlled to rotate by means of a driving mechanism, is arranged in the middle of the interior of the charging barrel; a plurality ofconnecting bearings are arranged in an array way on the outer circumference surface of the stirring shaft along the height direction; a plurality of spacer plates are arranged in an array way in the charging barrel along the height direction; the outer side edges of the spacer plates are separately connected and fixed with the inner wall of the charging barrel; the outer rings of the connecting bearings are fixedly connected in the spacer plates; the spacer plates are separately provided with a control mechanism for controlling the blanking amount of a rubber raw material; a plurality of stirring rods are fixedly arranged in a circular array way at the middle position between every two spacer plates on the stirring shaft; the stirring shaft is provided with a disproportionated rosin potassium soap rubber additive blanking mechanism. The intelligent disproportionated rosin potassium soap rubber additive mixer can shorten the blender running time and improve the working efficiency whileenabling a great deal of the rubber raw material-disproportionated rosin potassium soap rubber additive to be fully mixed.

The invention relates to a fresh air-exhaust air integrated equipment cabinet for a fitness room. The fresh air-exhaust air integrated equipment cabinet comprises a first equipment cabinet and a second equipment cabinet, wherein the first equipment cabinet is used for pre-treating fresh air and thermally recycling to-be-exhausted air; and the second equipment cabinet is used for dehumidifying and temperature regulating on fresh air. By utilizing the integrated equipment cabinet, various functions such as temperature regulating, dehumidifying, purifying and filtering and air exhausting can be independently carried out, and waste heat / waste cold is utilized to realize energy conservation by integrating a fresh air function and an air exhaust function; besides, a fresh air treatment function and a circulating air treatment function are completely separated, so that the defect of balancing out cold and heat is avoided; the fresh air is deeply dehumanized, and thermal and moisture load (including sensible heat and latent heat) in the fitness room can be balanced out when fresh air amount is less (preferably 1200-1500m<3> / h); and in order to prevent dewing, the fresh air is deeply dehumidified and then slightly re-heated, so that the circulating air treatment function only comprises an air purifying function to meet a cleanliness requirement and realize a remarkable energy-saving effect.

The invention belongs to the technical field of constructional engineering, and particularly discloses a building underground facility automatic waterproof system which comprises a ground, a wall structure, a movable blocking door, a dark pool, a transmission module, a water carrying bucket, a steel wire rope and a steel wire rope hoist. The wall structure is located on the ground. The movable blocking door is located in the ground and flush with the ground. A first compression spring is arranged below the movable blocking door. A rack is vertically arranged on the left end face of the movableblocking door. A drainage dark channel is arranged at the position, on the left side of the movable blocking door, of the ground. The dark pool is arranged in the ground. A channel is connected between the dark pool and the drainage dark channel. The water carrying bucket is located in the dark pool of the ground and used for carrying water flowing out of the channel. The steel wire rope hoist isarranged above the ground. The steel wire rope hoists up the water carrying bucket through the steel wire rope hoist. The transmission module is used for making the movable blocking door rise and fall. The automatic closing and rapid opening of the movable blocking door can be achieved when water flow is too heavy, and energy is saved by arranging an inflator.

The invention discloses an aquatic seedling domesticator and application thereof. The aquatic seedling domesticator comprises a water tank, an automatic water feeding device arranged on the water tank, a stirring device, a drainage and pollution discharge device, a feeding and bait discharging device, phototaxis training devices and an anti-overflow drainage device, wherein the automatic water feeding device is connected with a water inlet pipe, water is added into the water tank, the stirring device is arranged in the middle of the water tank, the drainage and pollution discharge device is arranged at the lower end of the water tank, the feeding and bait discharging device is movably arranged on an upper top plate of the water tank, the phototaxis training devices are symmetrically arranged on the side walls of the two ends of the water tank in the length direction, and the anti-overflow drainage device is arranged on the side wall of the water tank in the width direction and communicates with a water outlet pipe of the drainage and pollution discharge device. When the aquatic seedling domesticator is used, seedling phototaxis clustering training can be carried out through light conversion, material training is facilitated, the survival rate after seedling throwing can be effectively guaranteed, aquatic seedlings can be well domesticated through the aquatic seedling domesticator, and the aquatic seedling domesticator has the advantages of being easy and convenient to use and facilitates domestication.

The invention discloses a karst region field unmanned aerial vehicle-based remote water sampling device, and the device comprises an unmanned aerial vehicle and a sampling cylinder connected with theunmanned aerial vehicle through a rope; the sampling cylinder comprises a cylinder body with a closed bottom end and an incompletely closed top end, the closed bottom end of the cylinder body is a bottom plate, and the top end of the cylinder body is a closed bottom plate; a closed part at the top end of the barrel is a cover plate fixedly connected to the barrel, an unclosed part is an opening, and a stop block is arranged on the inner wall of the unclosed part at the top end of the barrel in the circumferential direction; a water inlet, a one-way valve and a sealing device for realizing liquid sealing between the one-way valve and the water inlet are arranged on the bottom plate, an overflow hole is formed in the cover plate, and a semi-open one-way valve and a closing device for closingthe semi-open one-way valve are arranged on the lower surface of the cover plate. The device provided by the invention can realize automatic sealing of the sampling cylinder, effectively reduces or even avoids splashing loss of a water sample in flight, and can well avoid splashing loss of the water sample in the sampling cylinder even if encountering an obstacle.

The invention relates to the technical field of ceramic preparation, in particular to a device for preparing glaze for ceramic. The device comprises an external protection mechanism, a sealing mechanism, a support mechanism, a stirring mechanism, a liquid discharging pipe and a cutting mechanism. The sealing mechanism is driven to rotate through the support mechanism so that the sealing mechanismis at a horizontal state during stirring, and stirring is more uniform; when liquid discharge is needed, the sealing mechanism can be driven to rotate to an inclined state through a handle, so that liquid quickly flows out of the liquid discharging pipe, the liquid discharging speed is accelerated effectively, and remain of the liquid is avoided; when the sealing mechanism is at a horizontal state, a liquid discharging mouth can be sealed through a sealing plate, and when the sealing mechanism is inclined, the sealing plate leaves the liquid discharging mouth, so that automatic sealing and opening of the liquid discharging pipe are realized; during rotation of stirring blades, residual solid particles in the liquid pass through a circulation hole, and be cut and pulverized under the actionof rotating cutting blades, so that the mixing effect is improved greatly.

The invention relates to the technical field of moulds, in particular to a silicone rubber mould. The silicone rubber mould comprises a supporting mechanism, a lower mould mechanism, a sliding plate,an upper mould mechanism, a material receiving mechanism, an ejection mechanism, a blocking mechanism, a hydraulic rod and a water tank. According to the silicone rubber mould, automatic sealing of aliquid separation groove can be realized, a blockage block and a liquid hole are parallel and level, and unlevel molding parts can be avoided; when injection molding is completed, a handle can be heldand rotated upwards, a lower template is driven to rotate upward through a supporting rod, so that the molding parts rapidly drop, discharging is more convenient and rapid, the molding parts can be ejected through the ejection mechanism, and the molding parts are prevented from being attached to the inner wall of a cavity; and cold water is always maintained in a plastic mat, workpieces with materials dropping can be buffered, so that the molding parts drop and are damaged, and the plastic mat can cool the molding parts, so that the molding effect is better.

The invention relates to a bidirectional water leakage-proof valve. The bidirectional water leakage-proof valve comprises a valve body, wherein the valve body comprises two parts, namely a water supply side cavity and a backwater side cavity; a water supply side water inlet connected with a municipal water supply pipe is formed in one end of the water supply side cavity, and a water supply side water outlet connected with a home inner heating pipeline is formed in the other end of the water supply side cavity; a regulating valve used for regulating flow of the water supply side cavity is arranged at one end, close to the water supply side water inlet, inside the water supply side cavity, and a water sealing plate controlled to be opened and closed by flow pressure is arranged at one end, close to the water supply side water outlet, inside the water supply side cavity; a backwater side water outlet connected with a municipal backwater pipe is formed in one end of the backwater side cavity, and a backwater side water inlet connected with the home inner heating pipeline is formed in the other end of the backwater side cavity; and a water sealing valve and a check valve only allowing circulation from the backwater side water inlet to the backwater side water outlet are arranged inside the backwater side cavity. The bidirectional water leakage-proof valve provided by the invention effectively avoids large-area water leakage.

The invention discloses a drainage device for thyroid postoperation. The device comprises a box. A cavity is formed inside the box. A partition plate is arranged inside the cavity. The cavity is divided into a drainage cavity and a collection cavity through the partition plate from top to bottom. An air bag is arranged inside the collection cavity. A fixing pipe is connected to the air bag. A first suction pipe and a second suction pipe are connected to the fixing pipe. Two parallel protective boxes are fixed to one side of the partition plate. Rotating rollers are rotationally connected to the opposite side walls inside the protective boxes respectively. The first suction pipe and the second suction pipe are wound around the two rotating rollers respectively. By combining a cylinder, therotating rollers, the two suction pipes and the air bag, a patient can conveniently use the drainage device, different suction pipes can be selected according to different conditions, automatic closing can be achieved, burdens of operators can be greatly lowered, and the drainage device is convenient to use and suitable for being popularized.

The present invention discloses an angiography catheter. The angiography catheter comprises a catheter head assembly, a connecting tube assembly and an injection assembly; the catheter head assembly comprises a catheter head, an inserting hole is formed in the catheter head, a first sealing ring is arranged in the inserting hole, an initial state of the first sealing ring is a closed state and used for blocking the inserting hole, two liquid outlet holes are symmetrically formed in two sides of the inserting hole, one-way flowing mechanisms are arranged in the two liquid outlet holes correspondingly, and the one-way flowing mechanisms are used for preventing blood in blood vessels from flowing back into the inserting hole. By arranging the first sealing ring, the catheter head assembly enters human body, blood does not enter into a connecting tube through the first sealing ring, meanwhile, a steel wire is guaranteed to penetrate through the catheter head to enter the connecting tube, so that the steel wire can be drawn out, meanwhile, when the steel wire is not inserted, the first sealing ring can be automatically sealed, and the inserting hole can be isolated from the outside.

The invention relates to the technical field of reverse osmosis membranes, and especially relates to a surface type reverse osmosis membrane filter element. The filter element comprises a first shelland a second shell rotationally connected with the first shell through a rotating shaft, limiting rings are arranged in the first shell, the center axis of each limiting ring is elastically connectedwith the first shell through a rotary spring disc, an arc-shaped groove is formed in each limiting ring, a clamping groove is formed in the side, away from a first compression spring, of an arc-shapedclamping block, and the clamping groove is connected with a clamping groove formed in each limiting ring in a clamped mode. The clamping grooves and the arc-shaped clamping blocks are connected in aclamped mode, so the two sides of a permeable membrane are conveniently clamped; the two sides of the permeable membrane are fixed through the two limiting rings, so the permeable membrane is straightened, and the permeable membrane is convenient to use; and meanwhile, due to sliding connection between a second pressing plate and an inclined groove, automatic closing is achieved when the water pressure is too large, and the permeable membrane is prevented from being damaged.

The invention discloses an air return system and an intelligent control system for a cotton inspection constant-temperature room, and relates to the technical field of cotton inspection constant-temperature rooms. The air return system comprises a machine room, an HVI environment room is fixedly installed on one side of the machine room, an intelligent controller is arranged in the machine room, and an indoor air conditioner is arranged below the intelligent controller; a fresh air conveying channel is fixedly mounted at a left air inlet of the indoor air conditioner. According to the device, rapid humidification treatment is carried out on the interior of the HVI environment chamber, so that flammable cotton fibers in air of the HVI environment chamber are rapidly wetted, fire diffusion is restrained, automatic closing of the lower air return plenum chamber is achieved, waste water is prevented from entering an exhaust filtering pipeline through the lower air return plenum chamber during fire extinguishing, and the waste water is prevented from entering the exhaust filtering pipeline through the lower air return plenum chamber. And moreover, the cotton fiber filter plate can be automatically cleaned, so that the filter effect of the cotton fiber filter plate is better, and the service life of the cotton fiber filter plate is prolonged.

The invention provides a urine receiving device for nursing. The urine receiving device comprises a urine receiver and a urine collector. The urine collector is of a container structure with an opening in the upper end, the upper portion of the urine collector contracts towards the inner side, a buffering splash-proof structure is arranged in the urine collector and comprises a vertically-arranged partition plate, and the interior of the urine collector is divided into a first cavity and a second cavity through the partition plate; the upper end of the partition plate is lower than the upper end of the urine collector; the projection of the opening of the urine collector falls on the bottom of the first cavity; and the urine collector is communicated with the second chamber through a flow guide pipe. By arranging the buffering splash-proof structure, urine falls into the urine collector from the opening of the urine collector and enters the first cavity, and after the first cavity is full of the urine, the urine flows into the second cavity through the partition plate. Therefore, the flow velocity of the urine can be more stable, the impact of the urine on the urine receiving device is better reduced, and the urine is prevented from splashing out to contaminate a bed sheet and a quilt.

The invention discloses an oral pill counting device and particularly relates to the field of pill counting. The oral pill counting device comprises a medicine bottle body. A bottle mouth is formed inthe top end of the medicine bottle body, a medicine limiting component is arranged in the bottle mouth and comprises a base shaft, an adjusting board, a selecting board and a blocking board, a sealing cap is arranged at the top of the medicine bottle body, a cavity is arranged in the sealing cap, a closed loop component is arranged in the cavity, and the base shaft is fixedly connected to the axis of the adjusting board. The oral pill counting device has the advantages that one pill can pass through a through hole through the medicine limiting component, so that the pills can be effectively limited and counting is facilitated; when the medicine bottle body is inverted, the pills can pass through the through hole and enter the cavity via a selection passage to be collected; when the counting requirement is met, a micro push rod and a micro motor are started to enable a gear to be inserted into a groove, an output shaft of the micro motor is in transmission connection with the gear andmakes the gear meshing with a rack, and then the blocking board rotates to close the selection passage and stop the pills from continuously falling, so that automatic sealing of the medicine bottle body is facilitated and counting accuracy is improved.

The application discloses a cold chain transport box and a cold chain logistics transportation method, wherein a cold chain transport box includes a box body and a box cover, side chambers are built in the sides of the box body, and an upper chamber is arranged in the box cover , the box cover is provided with an air supply pipe communicating with the upper chamber, the free end of the air supply pipe is used to communicate with the cold air source of the cold chain refrigeration unit, and the free end of the air supply pipe is connected with a quick connector; a sealing mechanism is provided between the box cover and the box body , the lower end surface of the box cover is provided with a plurality of upper air holes communicating with the upper chamber, and a connecting structure is provided between the box cover and the box body for the communication between the side chamber and the upper chamber when the two are fastened together. An exhaust mechanism is provided. The application has the effects of short cold time, high transportation efficiency and low transportation cost.

he movable blocking door, of the ground; the hidden pools are formed in the ground; a channel is connected between each hidden pool and the hidden drainage passage; the transmission modules are used for achieving the ascending and descending of the movable blocking door; and the hydroelectric power generation modules convert kinetic energy of water to electric energy and control work of the transmission modules. Automatic opening and closing of the movable blocking door can be automatically realized, and energy sources are saved with the adoption of inflating pumps.

The invention relates to a safe ultrasonic graphene peeling preparation device based on Internet of things. The device comprises a controller, a preparation box, a box door, a hinging mechanism, a fixing mechanism and a vacuum mechanism, wherein the vacuum mechanism comprises a vacuum box, an air inlet pipe, an air outlet pipe and a closing assembly; a vacuum assembly is arranged in the vacuum boxand comprises a first motor, a first driving shaft and two vacuum units; the fixing mechanism comprises two fixing units; each of the fixing units comprises an insert ring, an inert rod, a fixing block, a first spring and a mobile plate. According to the safe ultrasonic graphene peeling preparation device based on Internet of things, provided by the invention, the box door is convenient to rotatethrough the hinging mechanism; the box door is fixed to the preparation box through the fixing mechanism, so that the preparation box forms a closed environment to block propagation of ultrasonic waves generated during operation of the equipment. Therefore, air in the preparation box is extracted through the vacuum mechanism, so that the preparation box forms a vacuum environment to block propagation of ultrasonic waves, and therefore, the safety of operators is ensured.

The invention relates to a medical air exhausting and fresh air integrated machine cabinet. The medical air exhausting and fresh air integrated machine cabinet comprises a first machine cabinet and asecond machine cabinet, wherein the first machine cabinet is provided with an air exhausting inlet, an air exhausting outlet, an air exhausting channel, an air exhausting fan, a heat recovery device,a fresh air inlet, a fresh air pre-filtering module, a first fresh air channel, a chemical filter, a preheater and a fresh air inlet fan; and the second machine cabinet is provided with a second freshair channel, a dehumidifier, a heater, a humidifier, a fresh air outlet fan, a tail end filter and a fresh air outlet, and the fresh air outlet is used for sending out fresh air. According to the medical air exhausting and fresh air integrated machine cabinet, the fresh air function and the air exhausting function are integrated, waste heat or wasted cold are utilized to achieve energy saving, and further energy saving is achieved by completely separating fresh air treatment from air return treatment; and an cold source outdoor machine for an air conditioner is a digital variable capacity direct-expansion air-cooled unit.

Device for the collection of dirt, used in a suction apparatus, comprising a container (12) able to contain a sack (11), provided with a plate (16) having a first hole (18) able to allow the passage inside the sack (11) of the air sucked in by the apparatus, and closing elements (19) mounted sliding on the plate (16) and able to close the first hole (18). The container (12) comprises drive elements (24) able to cooperate with the plate (16) and able to be driven by the user.

The invention belongs to the technical field of constructional engineering, and particularly discloses a building underground facility automatic waterproof system which comprises a ground, a wall structure, a movable blocking door, a dark pool, a transmission module, a water carrying bucket, a steel wire rope and a steel wire rope hoist. The wall structure is located on the ground. The movable blocking door is located in the ground and flush with the ground. A first compression spring is arranged below the movable blocking door. A rack is vertically arranged on the left end face of the movableblocking door. A drainage dark channel is arranged at the position, on the left side of the movable blocking door, of the ground. The dark pool is arranged in the ground. A channel is connected between the dark pool and the drainage dark channel. The water carrying bucket is located in the dark pool of the ground and used for carrying water flowing out of the channel. The steel wire rope hoist isarranged above the ground. The steel wire rope hoists up the water carrying bucket through the steel wire rope hoist. The transmission module is used for making the movable blocking door rise and fall. The automatic closing and rapid opening of the movable blocking door can be achieved when water flow is too heavy, and energy is saved by arranging an inflator.

The invention discloses an explosion-proof solar water storage tank. The tank comprises a base, a bottom plate, a supporting column, a supporting seat, a tank body, an exhaust barrel and a clamping plate, an exhaust channel, a first transverse plate, a fixing column, a sliding sleeve, a reset spring and a third hinge seat are arranged inside the exhaust barrel, first vent holes are symmetrically formed in the first transverse plate along a center, first separation plates and first slotting grooves are arranged in the first vent holes, a mounting rod is arranged at the bottom end of the sliding sleeve, and a round plug is mounted at the bottom end of the mounting rod. According to the tank, clamping plates can clamp a box body, the stability of the box body is guaranteed, meanwhile, the possibility that the box body explodes outwards is prevented, when gas is generated in the box body, the gas starts to flow into the exhaust channel along with gas accumulation, the exhaust channel forms a channel connecting the interior of the box body with an external space, exhaust operation is achieved, when the gas is gradually reduced and the stress on the round plug gradually disappears, the reset spring can drive the sliding sleeve to return, and the first partition plates can also return to block the first vent holes again, so that automatic sealing is realized.

Device for the collection of dirt, used in a suction apparatus, comprising a container (12) able to contain a sack (11), provided with a plate (16) having a first hole (18) able to allow the passage inside the sack (11) of the air sucked in by the apparatus, and closing elements (19) mounted sliding on the plate (16) and able to close the first hole (18). The container (12) comprises drive elements (24) able to cooperate with the plate (16) and able to be driven by the user.

The invention provides a portable type hydraulic bearing mounting and dismounting device and relates to a hydraulic mounting and dismounting device. The portable type hydraulic bearing mounting and dismounting device comprises a hydraulic system, a working oil cylinder, a pressing plate and a base plate, wherein the hydraulic system comprises an oil tank; the working oil cylinder comprises an oil cylinder barrel and a piston rod; the piston rod is mounted in the oil cylinder barrel; the oil cylinder barrel and the oil tank are connected together through a soft pipe; the pressing plate is located on one side for mounting an engine base framework of a bearing; one end of the pressing plate is nested and connected and the other end of the pressing plate is in contact with the end part of the oil cylinder barrel of the working oil cylinder; the base plate is located on one side of the engine base framework; and a stretching-out end of the piston rod of the working oil cylinder sequentially penetrates through the pressing plate, the engine base framework and the base plate to be connected with a nut. The portable type hydraulic bearing mounting and dismounting device is applicable to mounting and dismounting of bearings of structure pieces with relatively large volume and mass, has the characteristics of small noises, high bearing mounting precision, low labor intensity, high working efficiency, safe and reliable structure, low cost, and convenient and flexible operation, and is particularly suitable for mounting and dismounting the bearings in the structure pieces with various types in various working positions.

The invention relates to a landscape lighting device with a dust cleaning function applied to a pool. The landscape lighting device comprises a lampshade, a connection pipe and at least two lamp tubes, wherein the lampshade takes the shape of a cylinder; the lampshade and the connection pipe are coaxially arranged; the inner diameter of the lampshade is more than the outer diameter of the connection pipe; mounting holes are arranged at two ends of the lampshade; the diameters of the mounting holes are equal to the outer diameter of the connection pipe; the connection pipe sequentially passes through the two mounting holes; the connection pipe is hermetically and fixedly connected with the inner walls of the mounting holes; the lamp tubes are positioned in the lampshade; the lamp tubes arecircumferentially and uniformly distributed by using the axis of the connection pipe as a center; an auxiliary mechanism is arranged at the bottom end of the connection pipe; and a cleaning mechanismis arranged on the top end of the connection pipe. According to the landscape lighting device with the dust cleaning function applied to the pool, the function of cleaning dust on the lampshade is achieved via the cleaning mechanism, the lighting effect is prevented from being affected by the dust, and furthermore, the function of collecting impurities in the pool is also achieved via the auxiliary mechanism.