68results about How to "Prevent seepage" patented technology

The invention provides a construction method of a prefabricated multi-ribbed cavity floor, and belongs to the technical field of prefabricated multi-ribbed plate construction. The construction method of the prefabricated multi-ribbed cavity floor comprises the steps of full-hall scaffold building, main keel laying, overall leveling and the like. The construction method comprises the steps that S1, full-hall scaffold building is conducted, specifically, when a full-hall scaffold is built, vertical rods on the upper layer and the lower layer are required to be aligned, the vertical rods are uniformly arranged from the two sides of a cast-in-place ribbed beam, the vertical rods are arranged at the intersection positions of floor elastic bidirectional lines, and scaffold boards are laid under the vertical rods; S2, main keels are laid, specifically, when the main keels are installed, the main keels are required to be arranged in order and not to be inclined, and the two vertical rods at the intersection positions must abut against the main keels; and S3, overall leveling is conducted, specifically, after the main keels are laid, overall leveling is conducted according to control lines, and full-hall scaffold formworks are hoisted on the main keels. The cavity formworks are supported by placing the modularized cavity formworks which are machined and formed in a factory-like mode, and accurate and rapid installation of an upper plate of the prefabricated multi-ribbed plate is achieved by installing limiting square pipes.

The application discloses a sanitary clear oil electronic cigarette, and relates to the field of electronic cigarettes, which comprises a body with an oil tank, a cartridge installed in the body, and a cover which is openably connected with the body. The body is internally provided with a longitudinally extending installation cavity, and the side wall of the installation cavity is provided with an oil outlet channel which is in communication with the oil tank. The cartridge is axially floatingly arranged in the installation cavity, the outer circumferential surface of the cartridge is in sliding fit with the inner wall of the installation cavity, and an elastic reset element is arranged to provide upward pre-tightening force. The side wall of the cartridge is provided with an oil inlet channel which corresponds to the oil outlet channel of the installation cavity. The application realizes physical isolation of the oil circuit by closing the cover, effectively solves the oil leakage problem caused by the fact that the dustproof cover cannot cut off the oil circuit in the prior art, avoids the pollution of the equipment and the acceleration of the oxidation and metamorphosis of the tobacco tar due to the tobacco tar seepage, and improves the sealing performance and atomization quality of the equipment.

The utility model relates to the technical field of mark pens, in particular to a direct flow liquid type mark pen which comprises a pen holder and a water leading core, a pen point sleeve is arranged at the front end of the pen holder, a water storage device is arranged in the middle of the pen holder, an ink bin is arranged at the rear end of the pen holder, one end of the water storage device is connected with the pen point sleeve, and the other end of the water storage device is communicated with the ink bin. A through hole in clearance fit with the ink guide core is formed in the ink storage device, one end of the ink guide core is connected with the pen point sleeve, and the other end of the ink guide core is connected with the ink storage device in a penetrating mode through the through hole. A first matching groove used for being in interference fit with the upper end of the ink guiding core and a second matching groove used for being in clearance fit with the lower end of the ink guiding core are formed in the ink storage device, the first matching groove is located above the second matching groove, and the upper end is arranged to be in interference fit, so that the ink flow is stable, and ink reverse osmosis is prevented; the lower end clearance fit guarantees smooth flowing of ink, and balance of stable ink supply and ink interruption prevention is achieved.

The utility model discloses a sealed connector fills glue when holding positioning device, including tray: the left and right sides of tray inner chamber all are fixed with U -shaped groove through bolt connection, and the inner chamber of two U -shaped groove all is welded with U -shaped board, and the inner chamber of two U -shaped groove all slidingly connected with hollow rectangular block, the inner chamber of hollow rectangular block is provided with limit structure, and the limit structure includes the round pipe of welding in hollow rectangular block inner chamber, and the inner chamber slidingly connected with the circular ring of round pipe, the utility model discloses through sliding rectangular bar drive hollow rectangular block in the inner chamber of U -shaped groove and slide, and hollow rectangular block in the process of sliding, the effect of limit structure makes semicircular board to the main body of sealed connector and supports in opposition, can reach the fixed force of making connector to be limited to avoid the displacement of connector, and the purpose that the filling glue pipe occurs liquid seepage when filling glue.

The utility model relates to the technical field of bearings, and discloses a liquid-lubricated heavy-duty bearing mechanism which comprises an outer ring, an inner ring is arranged in the outer ring, a limiting ring is arranged on the inner wall of the inner ring, a ball is arranged in the inner ring, a push rod is slidably connected in the inner ring, the bottom end of the push rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a piston rod. A tension spring is fixedly connected to the upper surface of the connecting plate, a transmission frame is fixedly connected to the lower surface of the connecting plate, a sliding rod is slidably connected to the outer wall of the transmission frame, a positioning rod is slidably connected to the outer wall of the sliding rod, a telescopic rod is fixedly connected to the outer wall of the sliding rod, and an oil conveying assembly is arranged in the inner ring. According to the utility model, through the cooperation of the push rod, the connecting plate, the tension spring, the transmission frame, the sliding rod, the telescopic rod and the positioning rod, the limiting ring is mounted and dismounted, the balls are limited or released, and local stress concentration of the balls is avoided, so that the overall bearing capacity of the bearing is improved.

The utility model relates to female sanitary product technical field discloses a sanitary tampon of instantaneous suction and lock of cotton core, including cotton core, the wrapping layer of wrapping in cotton core outside, the pull line of connecting in cotton core one end and setting in the insertion head of cotton core other end, the cotton core has three -dimensional intercommunication network structure, the cotton core includes instantaneous suction layer, flow guide layer, liquid storage lock layer and protection layer gradually from inside to outside, the porosity of instantaneous suction layer, flow guide layer, liquid storage lock layer gradually reduces. The utility model discloses through setting the cotton core of multilayer structure, and the porosity of each layer gradually reduces from inside to outside, instantaneous suction layer can rapidly absorb menstrual blood, flow guide layer guides menstrual blood to the penetration of instantaneous suction layer and prevents reverse penetration, liquid storage lock layer stores a large amount of menstrual blood and locks and prevents side leakage, and protection layer prevents the exosmosis of menstrual blood from the outside of cotton core, and the overall improvement of sanitary tampon's absorption speed, absorption capacity and side leakage prevention performance.

The utility model provides a bifurcated valve driving module with a flexible connecting pipe, which is characterized in that a rotatable part is arranged at the front end of a bifurcated valve, a valve joint is arranged at the rear end of the bifurcated valve, and a first bifurcated pipe is arranged in the middle of the bifurcated valve; the bifurcated valve is a Y valve or a T valve, and a rotatable part at the front end of the bifurcated valve is connected with the flexible connecting pipe; the port control mechanism can support and fix the bifurcation valve, the port driving mechanism is used for driving the valve connector to open or close the channel so as to prevent blood or contrast media from seeping out or clamp a guide wire or a catheter in a port, and the port rotating mechanism is used for driving a rotatable part at the front end of the bifurcation valve to rotate so as to drive the valve connector to rotate. According to the utility model, the port control mechanism controls the rotatable part at the front end of the bifurcated valve to synchronously rotate along with the rotation of the rotary delivery mechanism, and if the two rotary motions are not completely synchronous, the flexible connecting pipe can generate torsional deformation, so that the force sensing of a force sensing element in the rotary delivery mechanism on the torsional force cannot be influenced.

A surface acoustic wave (SAW) device includes: a piezoelectric layer; an interdigitated electrode structure located on the piezoelectric layer; a wiring layer located on the piezoelectric layer and electrically connected to the interdigitated electrode structure; an interconnect layer located on the wiring layer; bumps located on the interconnect layer; and a metallization structure located between the interconnect layer and the bumps, electrically connecting the interconnect layer and the bumps and preventing material from the bumps from penetrating into the interconnect layer. The metallization structure on the interconnect layer prevents the bumps from directly contacting the interconnect layer, instead connecting them electrically through the metallization structure. This prevents the material of the bumps from fusing with the material of the interconnect layer and intruding into the device, thus preventing semiconductor device failure and improving the performance of the semiconductor device. Furthermore, the metallization structure's location between the bumps and the interconnect layer enhances the adhesion between the bumps and the interconnect layer.

The utility model is suitable for coal gas pipeline maintenance field provides a kind of pipeline repair subassembly, including coal gas pipeline, cover plate being installed in the outside of coal gas pipeline, strengthen cloth being wound in the surface of coal gas pipeline, fixed component being clamped in the outside of cover plate, the cover plate includes two plate bodies and sealing washer, two the plate body other side is fixedly provided with mounting plate, the sealing washer is fixedly installed in plate body inboard edge, one the plate body is set on surface and is equipped with injection port, the fixed component includes two fixed plates, two clamping bolts and two nuts, by setting fixed component, plate body is fixedly installed in the outside of coal gas pipeline, by the injection port being set, fill in the gap between plate body and coal gas pipeline and add repair agent, the sealing effect of cooperation setting sealing washer is improved, prevent repair agent to seep out, by the strengthen cloth being set, the solidification speed of repair agent can be improved, also can increase the strength after repair agent solidification.

The utility model relates to the technical field of eyeshades, and discloses a multi-layer composite eyeshade which is characterized in that an eyeshade body adopts a composite structure, the outer layer is an SMS cloth layer, the air permeability is good, essence liquid is sprayed on the outer layer, and pleasant fragrance can be emitted to help a user to relax; the middle layer is a lamination cloth layer which can effectively resist water and moisture and protect the inner layer structure; the inner layer is a traditional Chinese medicine gel layer which is in direct contact with eye skin, eye fatigue is relieved by means of traditional Chinese medicine components, and blood circulation is improved. An integrated heating bag is arranged at the position, corresponding to the eyes, in the eyeshade body, and blood circulation of the eyes is further promoted through continuous heating. The fixing parts on the two sides can be flexibly adjusted according to the head circumference of a user, and stable and comfortable wearing is ensured. The multi-layer composite eyeshade integrates multiple functions, and can effectively meet the requirements of a user for eye care, relaxation and a good sleep environment.

This utility model relates to the field of traditional Chinese medicine plaster technology, and discloses a leak-proof, visible joint and acupoint traditional Chinese medicine plaster, including a skin-friendly layer, which is a circular medical-grade transparent silicone film with a diameter of 40mm; a leak-proof layer, which is a TPU waterproof and breathable film covering the back of the skin-friendly layer; elastic fixing wings; and a four-petal flower-shaped elastic non-woven fabric surrounding the skin-friendly layer. In this utility model, the composite design of the transparent skin-friendly layer and the leak-proof layer achieves both visualization of the treatment process and leak-proof functionality: the transparent skin-friendly material allows direct observation of whether redness, swelling, or allergic reactions occur on the skin; the middle waterproof and breathable film prevents the medicinal liquid from seeping out while allowing moisture to pass through, avoiding staining of clothing and causing stuffiness and discomfort on the skin.

This utility model discloses a pressure-type anti-buoyancy anchor waterproof structure. A frustum-shaped water-storing buffer sleeve is fixedly installed on the outer wall of the middle part of the protective sleeve. The interior of the frustum-shaped water-storing buffer sleeve is filled with a drainage filling layer. Inclined water distribution pipes are symmetrically fixedly connected to both ends of the frustum-shaped water-storing buffer sleeve. This utility model utilizes the frustum-shaped water-storing buffer sleeve to provide a certain buffer area for groundwater to flow upward, preventing groundwater from directly seeping upward along the edge of the protective sleeve. The drainage filling layer plays a role in shaping and supporting the frustum-shaped water-storing buffer sleeve, improving its structural strength and preventing it from being squeezed and deformed underground. Water can flow inside the drainage filling layer, while the inclined water distribution pipes divert the flowing water, discharging it to the far sides of the anchor rod, allowing it to re-infiltrate into the underground soil, thus significantly reducing the amount of groundwater flowing to the surface.

This specification discloses a heat dissipation system for an unmanned aerial vehicle (UAV), including a heat dissipation frame, an air duct cover, a cooling fan, and a dust filter. The heat dissipation frame is made of metal and includes a heat dissipation air duct body (with a first heat dissipation fin on its inner wall, overlapping the position of the air duct cover) and an outer mounting platform. The top is sealed by a first sealing gasket, and the bottom by a second sealing gasket, forming a sealed cavity. An air inlet is located at the front end of the heat dissipation air duct body, protected from water seepage by the sealing gasket. The air duct cover is fixed to the top of the frame by the sealing gasket, with a thermally conductive contact surface on its upper surface and a second heat dissipation fin on its lower surface, forming a heat dissipation path with the first heat dissipation fin. A dust filter is installed at the rear exhaust port of the heat dissipation frame, and the cooling fan is fixed to the air inlet, driving cool air to exchange heat through the two heat dissipation fins before exhausting it from the exhaust port.

The utility model discloses an interventional robot slave end device adopting a convergence driving module, which comprises a linear track group, and a first port control module, the convergence driving module and a first clamping rotating mechanism are sequentially arranged on the linear track group through a plurality of module fixing seats respectively. The first port control modules, the convergence driving modules and the first clamping and rotating mechanisms are sequentially arranged in the length direction of the linear rail set from front to back, and the module fixing seats can drive the corresponding first port control modules or the convergence driving modules or the first clamping and rotating mechanisms to reciprocate during reciprocating motion to achieve delivery of intervention consumables. The convergence driving module converges at least two rear intervention consumables and then penetrates into the front intervention consumables at the same time. Convergence of the guide wires and / or the guide pipes is achieved through the convergence driving module, and therefore the multiple guide wires and the multiple guide pipes cooperatively move in place to enter a target object and work.

The utility model relates to the technical field of road construction, and discloses an anti-cracking asphalt pavement which comprises a pavement body, a plurality of water seepage holes are formed in the inner wall of the pavement body, a seepage film is fixedly connected to the bottom of the pavement body, a roadbed is fixedly connected to the bottom of the seepage film, and a plurality of water collecting grooves are formed in the inner wall of the roadbed. The inner wall of the water collecting tank is fixedly connected with a first inclined block, a drainage hole is formed in the middle of the inner wall of the water collecting tank, the bottom of the roadbed is fixedly connected with a gutter, the inner wall of the gutter is fixedly connected with a second inclined block, and the inner wall of the pavement is fixedly connected with an anti-crack structure. According to the utility model, liquid permeated in the road surface is guided into the water collecting tank through the water seepage holes, and then the liquid is gathered through the first inclined blocks and flows into the water guide tank through the drainage holes, so that the purpose of preventing the roadbed from cracking caused by water seepage of the road surface is achieved, the service life is prolonged, and the application range is expanded.

The utility model relates to foundry tool technical field provides a kind of anti-leakage tank tool for casting, including upper die holder, the bottom end of upper die holder is installed with lower die holder, the inside of lower die holder is provided with mould cavity, the top of upper die holder is fixed with liquid inlet pipe, the outside of upper die holder internal mould cavity is provided with cooling cavity, one end of upper die holder and lower die holder is provided with sealing structure, the outside of upper die holder and lower die holder is fixed with connecting structure.The utility model is provided with connecting structure, by motor drive gear rotation, then by toothed belt drive screw sleeve rotation, to realize screw rod drive first connecting plate movement, make upper die holder and lower die holder automatic connection or separate, improve the speed of mould assembly and disassembly, and by the fastening effect of threaded connection, it can ensure that the sealing effect of each part of tool is consistent, avoid the situation that liquid leakage occurs due to local insufficient fastening, further improve the sealing and reliability of tool.

The application discloses a kind of discrete series low distributed capacitance liquid cooling heat dissipation device and method, it belongs to electronic device heat dissipation technical field, heat dissipation device includes several heat dissipation units, the top of each heat dissipation unit is used to set power device, and two adjacent heat dissipation units are connected by cooling liquid pipeline;Each heat dissipation unit includes matrix and radiator, cooling liquid pipeline is through the inside of matrix, the top center of matrix is equipped with mounting hole, and mounting hole is equipped with radiator, and the lower half of radiator is inserted into the inside flow channel of cooling liquid pipeline, and the top of radiator is used to place power device.The application adopts discrete series heat dissipation unit structure, cooling liquid pipeline is through each unit matrix, and the lower half of radiator is inserted into the inside flow channel of pipeline, and each unit independently corresponds a power device.Solve the parasitic distributed capacitance problem caused by shared metal radiator, eliminate resonance loop, inhibit switching oscillation, reduce loss, ensure that heat dissipation is uniform and dynamic equalization, improve the stability and service life of high-voltage series module.

The utility model provides a pump pipe interface anti-disengagement device, including: side head no. 1, inner core and embedded pipe sleeve, side head no. 1 left end inner side is equipped with a set of spacing embedding seat for mutually abutting with the inner core left side, the inner core includes embedded head and inner cavity, the top view cross section of inner core is an isosceles trapezoid structure, and the side head no. Compared with the prior art, the anti-skid pump has the advantages that when pressure liquid is guided into the anti-skid pump through an external pipe fitting, when the left side of the embedded pipe sleeve and the right side of the limiting embedded base are connected with the right side and the left side of the inner core in an embedded and abutting mode, the anti-skid pump is not prone to falling off, and the anti-skid pump is not prone to falling off. The embedded pipeline and the limiting embedded seat are both embedded into the inner core in a sealed mode, pressure liquid can be guided through the interior of the inner core, the first positioning hole and the second positioning hole lock the position of the inner core through an external locking piece, and therefore it is guaranteed that the first side head and the second side head are in sealed connection with the left side and the right side of the inner core.

The present application relates to copper-chromium contact preparation technical field, specifically to a kind of copper-chromium contact material rapid hot-pressing sintering forming process, preparation method includes: S1, ball milling powder mixing, S2, mould pressing, S3, pad nest, S4, loading hot-pressing, S5, electrodeposition treatment;The present application can improve the bulk density of mixed powder by ball milling raw materials, which plays a polishing role on the sharp corners of metal powder particles, avoids the "bridge" phenomenon in the micro area during mould pressing process, and forms internal closed pores;Vacuum firing treated graphite paper is laid along the inner wall of graphite mould for hot-pressing sintering, which facilitates subsequent demoulding;The holding temperature is controlled at 900~980℃, to avoid copper powder melting and liquid penetration due to excessive temperature;The present application carries out electrodeposition treatment on copper-chromium contact material, which can make copper-chromium contact show better resistance to welding and heat resistance.

The utility model discloses an oral irrigator which comprises a shell, a water pump assembly, a nozzle and a sealing piece, the water pump assembly is arranged in the shell, and a water outlet channel is formed in the water pump assembly; one end of the nozzle penetrates through the shell to be connected with the water pump assembly, and the interior of the nozzle communicates with the water outlet channel. At least one part of the sealing part is located between the end of the nozzle and the water outlet channel, at least the other part of the sealing part is located between the water pump assembly and the shell, and the sealing part is an integrated structural part. According to the oral irrigator, the sealing performance and the cleaning effect of the oral irrigator are improved, and the sealing piece is convenient to install and easy to assemble.

The utility model relates to the technical field of stirring barrels, in particular to a stirring barrel capable of preventing oil sludge from splashing, which comprises a barrel body, the top of the barrel body is open, a cover plate is arranged at the top of the barrel body, a liquid inlet is arranged at the top of the cover plate, a liquid outlet pipe extending out of the barrel body is arranged at the bottom in the barrel body, and a liquid outlet valve is arranged at one end of the liquid outlet pipe extending out of the barrel body. A vertically-arranged stirring shaft is rotationally installed in the barrel body, stirring paddles are connected to the peripheral face of the stirring shaft, a circle of splash-proof plate is arranged between the barrel body and the cover plate, and the inner side of the splash-proof plate inwards exceeds the inner wall of the barrel body along the upper end face of the barrel body. And an inward shrinkage type annular flow blocking step surrounding the top of the barrel body is formed between the lower surface, inwards exceeding the inner wall of the barrel body, of the splash-proof plate and the inner wall of the barrel body. By arranging the splash-proof plate, oil sludge is effectively blocked, the flow guide effect is achieved, the oil sludge cannot directly rush to the barrel cover, and a downward corner is formed along the lower surface of the splash-proof plate after the oil sludge makes contact with the lower surface of the splash-proof plate.

The utility model provides an ion adsorption device. The ion adsorption device comprises an adsorption box; the preheating box is mounted at the top of the adsorption box; the liquid storage tank is mounted at the top of the preheating tank and is used for storing eluent; the liquid inlet pipe is mounted on the adsorption box; the multi-way pipe is mounted at one end of the liquid inlet pipe; the liquid injection pipe is mounted on the preheating box; the rectangular insertion openings are formed in the two sides of the adsorption box respectively; the plurality of resin ion adsorption mechanisms are respectively mounted on the plurality of rectangular sockets and are used for adsorbing ions in the wastewater; and the positioning mechanism is arranged on the adsorption box and is used for positioning the plurality of resin ion adsorption mechanisms. The ion adsorption device provided by the utility model has the advantages that the resin bed can be conveniently assembled, disassembled and separated, the resin bed can be conveniently replaced, and the adsorption effect is better.

This utility model belongs to the field of pipeline flange leakage sealing technology, specifically relating to a flange leakage sealing device. This flange leakage sealing device includes a leakage sealing clamp and a sealing mechanism. The leakage sealing clamp includes two sealing sleeves, each including a sealing outer shell that seals against the outer circumferential surface of the flange joint and a sealing rubber block protruding outward from the inner circumferential surface of the sealing outer shell. The end of the sealing rubber block can be embedded into the flange gap. The sealing mechanism includes two glue injection components, each including two glue injection grooves located on both sides of the sealing rubber block and a glue injection component on the sealing outer shell communicating with the two glue injection grooves. In use, the two sealing rubber blocks are embedded into the opposing flange gaps to form a first sealing part. Then, glue is filled into the two glue injection grooves through the glue injection component, filling both sealing cavities. This results in the glue in the sealing cavities filling the connection between the sealing rubber block and the flange gap, forming a second sealing part, creating a double sealing effect, better sealing the flange gap, and effectively preventing pipeline leakage.

The invention belongs to the technical field of outlet box sealing, and particularly relates to a motor outlet box. The outlet box comprises a seat body installed on a motor casing, a box body supported on the seat body, an insulating plate which is arranged at the bottom of the box body and is detachably and fixedly connected with the seat body, and a plurality of binding post units which penetrate through the insulating plate and are arranged in a sealing manner, the binding post unit comprises a binding post with different diameter parts in the axial direction and an insulating pressing cover for pressing the binding post in the insulating plate; the insulating plate is provided with a stepped hole matched with the binding post unit, and a sealing structure is arranged on the joint face, abutting against the binding post, of the stepped hole. Therefore, the insulating pressing cover of the outlet box can press the binding post on the insulating plate, so that the sealing structure between the binding post and the insulating plate can realize effective sealing. And meanwhile, the contact state of a sealing interface is optimized, so that the sealing structure only bears axial compression instead of torsion and is not deformed and abraded, the service life of the sealing structure is greatly prolonged, and the service life of the motor is prolonged.

The utility model discloses an adsorptive environmental protection oil absorption recovery bag, including recovery bag main part, and recovery bag main part carries out the wrapping to tubular product, and recovery bag main part is multilayer structure, and recovery bag main part includes buffer layer, oil absorption layer, anti -infiltration layer, inner protective layer and outer layer from inside to outside in proper order, the material of outer layer of the utility model resists external impact in the use process, ensures that packing bag still can keep physical performance and chemical stability under the severe environment, adapts the severe working condition in the turnover process. Buffer layer plays the buffer effect of tubular product and oil absorption bag, avoids the damage of physical impact in the operation process to other functional materials. Oil absorption layer has the characteristics of oil absorption, and adsorbs and locks the oiliness in the mixture. Anti -infiltration layer has the barrier property, prevents the seepage of oil -water mixture. Inner protective layer relieves the destruction of internal tubular product to recovery bag main part. The whole impact resistance is strong, safe and durable, is not easy to be corroded, is obviously superior to traditional plastic cloth wrapping mode, is suitable for popularization and application.

The invention discloses an intelligent grouting system for pipe-jacking construction, and belongs to the technical field of pipe-jacking construction equipment.The intelligent grouting system for pipe-jacking construction comprises a pipe-jacking construction working well; a muddy water circulation mechanism for recycling muddy water is arranged on one side of the outer portion of the pipe-jacking construction working well, and a grouting mechanism for adjusting the slurry injection amount in real time in combination with muddy water pressure monitoring is arranged on the other side of the outer portion of the pipe-jacking construction working well. By arranging the muddy water circulating mechanism and the connecting mechanism, aiming at the environmental protection risk in the aspects of direct discharge of waste residues and waste water of a traditional muddy water device in the current pipe jacking construction process, the muddy water solid-liquid separation treatment and resource utilization technology is innovated by integrating the functions of mud pumping, pipeline switching and solid-liquid separation, recycling of muddy water is achieved, and the construction efficiency is improved. Separated clear water is reused for construction flushing, separated rock debris is used for roadbed filling or building material production after harmless treatment, the construction cost is reduced, and economic benefits and environmental protection benefits are huge.

The utility model relates to the technical field of game machine motors, in particular to a motor bearing for a game machine, which comprises a bearing body, a gap reducing mechanism is arranged on the surfaces of the bearing body and an inner ring, and a sealing oil leakage preventing mechanism is arranged on the inner wall of the bearing body and the surface of a limiting ring. And a convenient oiling mechanism is arranged on the surfaces of the bearing body and the oiling hole. According to the motor bearing, sealing treatment can be conducted between the bearing body and the limiting ring when the motor bearing is used, the phenomenon that oil leaks from the position between the bearing body and the limiting ring in the using process of the motor bearing is avoided, and the phenomenon that a motor rotating shaft and an inner ring are loosened when the motor bearing is used can be prevented; according to the motor bearing, the precision when the motor rotating shaft is installed in the bearing body and the inner ring can be greatly improved, a user can conveniently add oil to the surfaces of the balls when the motor bearing is used, the lubricating effect of the motor bearing is better when the motor bearing is used, and noise generated when the motor bearing works is reduced.

The utility model discloses a bathroom double-movable moving door with a waterproof sealing function, which comprises a bathroom wall and a bathroom doorsill, and the bathroom doorsill is fixedly connected with the lower part of the bathroom wall; and a bathroom moving door is arranged above the bathroom doorsill. A track rubber mat is arranged on the inner side of the door moving track, is connected with the bathroom moving door in a sliding manner and is used for preventing water from seeping from the space between the bathroom moving door and the door moving track; the movable door of the bathroom is divided into an upper part and a lower part, the upper part is a first door part, and the lower part is a second door part. Due to the design of the bathroom wall and the bathroom doorsill, the user can have a bath in the bathroom. The track rubber mat can prevent water from seeping from the space between the bathroom moving door and the door moving track, and the waterproof sealing performance of the bathroom during bathing is improved; and due to the separate design of the movable door of the bathroom, the user can be prevented from feeling discomfortable due to claustrousness, and the risk of oxygen deficit caused by steam gathering can be prevented.

The utility model discloses a grinding and finishing device and chemical mechanical polishing equipment. According to the grinding and finishing device, the cover plate is made of a transparent material, so that an operator directly observes the internal condition of the finishing arm body and finds out the abrasion condition of internal components such as a sealing ring of the finishing arm body, and therefore the problem of liquid seepage caused by damage of the sealing ring is avoided; the liquid leakage detection device arranged in the trimming arm body is connected with the control unit, and when seepage occurs in the trimming arm body, the liquid leakage detection device detects the seepage and transmits the seepage to the control unit through a signal to trigger an alarm mechanism, so that an operator takes measures before core components such as a motor are damaged by the liquid, and the operation is convenient. And the equipment maintenance requirement and the downtime caused by part damage are reduced.