13results about How to "Guaranteed dense" patented technology

The utility model discloses a kind of thick bottom plate dewatering well well packer, it is related to dewatering well well packer construction technical field, including circular steel sealing plate, the bottom surface of the circular steel sealing plate is fixedly connected with steel pipe, the bottom surface edge of the circular steel sealing plate is fixedly connected with flexible pad, the bottom surface of the circular steel sealing plate is fixedly connected with straight thread reinforcement, straight thread reinforcement is arranged on the outside of steel pipe, the top surface of the circular steel sealing plate is fixedly connected with steel baffle, the utility model is installed to the bottom suitable position of pre-buried steel sleeve by using when front sealing device and additional water retaining device, circular steel sealing plate and water retaining device one end are lower, straight thread reinforcement one end is upper and pre-buried steel sleeve is welded and fixed, temporary bottom sealing is formed before concrete pouring, so that subsequent concrete strength, compactness is effectively guaranteed, subsequent construction is steadily carried out.

The invention provides a vertical component pit hole repairing device and a construction method, the vertical component pit hole repairing device comprises a plugging template and a locking assembly, the locking assembly comprises a fixing rope which can be wound outside a component to fix the plugging template, and the plugging template is provided with a grouting hole and a grout overflow hole which can correspond to a pit hole from bottom to top. According to the construction method of the vertical component pit repairing device, the repairing material is injected through the grouting hole, the repairing progress is monitored through the grout overflowing hole so that the injection amount of the repairing material can be adjusted, the plugging formwork can be rapidly fixed through the fixing rope, and the injected repairing material can be plugged through the plugging formwork so that filling compactness can be guaranteed; and when the repairing material reaches the set strength, the plugging template is detached for repeated use. The device has the beneficial effects of being simple in structure, small in occupied space, convenient to mount and dismount and capable of improving the construction efficiency and guaranteeing the repairing quality.

The invention relates to a preparation method of a ceramic green body, which comprises the following steps: (1) ceramic powder with the sphericity degree of 0.9-1 is sequentially subjected to dry pressing molding and crushing granulation treatment to obtain pretreated powder; and (2) sequentially carrying out die-filling treatment, heating and pressurizing treatment and sintering treatment on the pretreated powder obtained in the step (1) to obtain the ceramic green body. According to the method, the ceramic powder is subjected to dry pressing, crushing and granulation, and heating and pressurizing treatment is added before sintering treatment, so that the ceramic powder is dense in the sintering treatment process, powder overflow caused by heating is avoided, the size abnormal conditions such as edge unfilled corners of a product are reduced, and the yield is effectively improved; and the risk that the sintering furnace body is polluted due to overflowing of the powder is reduced.

The present invention relates to the field of embankment construction, and specifically to a layered filling and pouring type water conservancy embankment construction equipment, including a pouring frame, a guide pile is arranged at each of the four corners of the pouring frame, a pouring pipe is arranged on the pouring frame, a support hanger is arranged at the top of the pouring frame, and a hook is also arranged on the support hanger, a maintenance curtain is arranged at the bottom of the support hanger and located in the pouring frame, a covering mechanism is arranged on the support hanger and located above the maintenance curtain, the covering mechanism is provided with an elastic connection component, the covering mechanism is also provided with an outward expansion flattening component, and a flattening drive component is arranged on the support hanger. The present invention enables concrete to be poured in layers by moving the pouring frame to ensure that the concrete is dense, and by laying the maintenance curtain on the concrete surface, the concrete has a maintenance effect of preventing cracks and moisturizing, thereby improving the construction strength. The present invention also relates to a layered filling and pouring type water conservancy embankment construction method.

The present invention belongs to the technical field of crucible production, and specifically relates to a forming device and method for a graphite crucible for producing negative electrode materials of lithium batteries, including a base and a top forming template, an outer film tube and a bottom forming template, wherein the top forming template is arranged on the base, a core column is fixed on the base, the top forming template is slidably connected to the core column, the lower end of the outer film tube is connected to the top forming template or the base, and the opening at the lower end of the outer film tube is blocked by the top forming template; the bottom forming template extends into the outer film tube through the opening at the upper end of the outer film tube. In the above structure, the top forming template is located below the bottom forming template, and the core column is fixed on the base; therefore, after pressing and molding, the bottom of the crucible body faces upward, which can avoid damage to the top of the crucible body during demolding; at the same time, during the pressing and molding process, the bottom forming template is moved downward to achieve pressing, which can ensure that the crucible body obtained after pressing is dense, and the overall quality is effectively improved.

The invention relates to the technical field of vibrating equipment, and discloses a box girder anchor sealing and vibrating integrated robot and a using method.The box girder anchor sealing and vibrating integrated robot comprises a robot base and a robot arm, a connector is arranged at the end, away from the robot base, of the robot arm, and a connecting support is fixed to the end, away from the robot arm, of the connector; by means of the integrated design on the assembly plate, when the box girder is subjected to anchor sealing, the anchor bearing plate coated with glue is fixed to an anchor recess, then concrete is injected into the box girder through a pouring hole in the anchor bearing plate, vibration is conducted, and the box girder is subjected to anchor sealing; the box girder anchor sealing and vibrating integrated robot solves the problem that an existing box girder anchor sealing and vibrating integrated robot cannot meet the requirements for anchor bearing plate fixing, pouring and vibrating, can achieve the connecting operation procedures of anchor bearing plate installing, pouring and vibrating during anchor sealing, avoids the situation that the interval time of anchor bearing plate fixing, pouring and vibrating is too long, and also facilitates control over the construction time.

The application discloses a kind of super-high water pressure dewatering well drainage plugging micro-permeation self-draining structure, it includes the steel pipe well being arranged at basement dewatering well mouth, steel pipe well upper end port sealing, steel pipe well upper is equipped with grouting pipe and drainage pipe, steel pipe well is filled with the gradation sandstone being fixed by hardening cement slurry, basement ground is laid from below to above with concrete cushion layer, waterproof layer and bottom slab reinforced concrete layer, bottom slab reinforced concrete layer is equipped with bottom slab post-cast concrete pit, steel pipe well upper end port, grouting pipe and drainage pipe are located in pit, pit is poured with reinforced concrete, pit above is laid with drainage plate extending to catch basin, the top of bottom slab reinforced concrete layer and drainage plate is laid with concrete surface layer.The application further discloses a kind of construction method of the above-mentioned super-high water pressure dewatering well drainage plugging micro-permeation self-draining structure.The purpose is to provide a kind of super-high water pressure dewatering well drainage plugging micro-permeation self-draining structure and its construction method, its well sealing speed is fast, well sealing effect is good, unnecessary maintenance is reduced in later period.

The concrete-filled steel tube column comprises a steel tube column body, a plurality of air holes are formed in the upper portion of the steel tube column body, an exhaust flow guide steel tube is arranged at each air hole, one end of each exhaust flow guide steel tube is communicated with the interior of the steel tube column body, and the other end of each exhaust flow guide steel tube is communicated with the interior of the steel tube column body. The other end of the exhaust flow guide steel pipe obliquely extends upwards towards the outer portion of the steel pipe column body, the end portion of the exhaust flow guide steel pipe is higher than the end face of the top of the steel pipe column body, and concrete is poured into the steel pipe column body. According to the concrete-filled steel tube column, ventilation of jacking grouting in the steel tube column body is guaranteed by designing the exhaust flow guide steel tube, meanwhile, the end of the exhaust flow guide steel tube is designed to be higher than the top end face of the steel tube column body, compactness of concrete in the steel tube column body is guaranteed, and it is guaranteed that loads of a crane beam support can be directly transmitted to the concrete part of the concrete-filled steel tube column; safety and reliability.

The invention provides a tough low-stress super-thick AlTiN-based coating as well as a preparation method and application thereof, and belongs to the technical field of surface engineering and functional coatings. The coating is obtained through deposition of a high-power pulse magnetron sputtering technology, and the film-substrate binding force is enhanced through glow cleaning and ion source cleaning pretreatment in the preparation process; by utilizing the advantage of uniform and controllable energy of a high-power pulse magnetron sputtering technology, a high-density plasma region is constructed between a target material and a substrate, so that not only can an extremely high deposition rate be obtained, but also the residual stress of the coating is controllable. The prepared coating is excellent in mechanical property, the nanometer hardness is larger than or equal to 30 GPa, the binding force is larger than 100 N, the residual stress under the thickness of 21 micrometers is only-4.5 GPa, and the cutting edge of the prepared coating tool is sharp and smooth. The method can be widely applied to high-speed heavy-load cutting tools, molds and other wear-resistant parts, and the service life can be remarkably prolonged.

The present invention relates to the technical field of vibration equipment. The application discloses a box girder anchor sealing and vibration integrated robot and a use method, including a robot base and a robot arm, wherein the robot arm is provided with a connecting head at one end away from the robot base, a connecting bracket is fixed to the end of the connecting head away from the robot arm, and an assembly plate is fixed to the end of the connecting bracket away from the connecting head. The present invention adopts an integrated design on the assembly plate. When sealing the box girder, an anchor pad coated with glue is first fixed to the anchor hole, and then concrete is injected into the interior through the casting holes on the anchor pad and vibrated. This solves the problem that the existing box girder anchor sealing and vibration integrated robot cannot meet the requirements of fixing the anchor pad, casting and vibrating, and can realize the connection operation procedures of installing the anchor pad, casting and vibrating when sealing the anchor, avoiding too long interval time between fixing the anchor pad, casting and vibrating, and also conveniently controlling the construction time.

The present invention relates to the field of molds, and specifically discloses a bubble-proof soft magnetic ferrite core mold, including a top mold base and a bottom mold base arranged in parallel, a mold core assembly is arranged between the top mold base and the bottom mold base, and guide column units are arranged at the four corners of the top mold base and the bottom mold base, and the top mold base moves along the axial direction of the guide column unit, so that the spacing between the opposite sides of the top mold base and the bottom mold base changes. The present invention is provided with a two-stage insertable vibration unit, which can be slowly inserted into the material through vibration, and through a structure similar to a tuning fork, a small ball collision vibration is used to guide the vibration to the internal material, thereby ensuring the density of the material, and after the material is dense, the material filling can be detected by inserting the rod body position. During the subsequent pressing, no bubbles will remain inside, thereby ensuring the molding effect of the ferrite.

The invention discloses a recyclable slag drainage pool structure and a slag drainage method. The slag drainage pool structure includes a drainage pool and an electro-osmosis controller. The drainage pool uses a steel pipe pile continuous wall as the side wall of the drainage pool. The inner side wall of the drainage pool is fixed with a plurality of vertically arranged plastic drainage boards. The bottom plate of the drainage pool includes a flexible water-permeable resin sand filter layer, a galvanized wire mesh layer, a drainage board layer and a solidified soil layer in order from top to bottom. The plastic drainage board is connected to the drainage blind ditch through the drainage board layer. A plurality of steel pipe piles on the side wall of the drainage pool are hollowed out as a water collection well, which is connected to the drainage blind ditch. The water collection well is connected to a high-power vacuum pump and a water pump through a pipeline. The anode of the electro-osmosis controller is connected to a hollow iron ball suspended on the slag surface in the drainage pool, and the cathode is connected to the steel pipe pile continuous wall and the galvanized wire mesh layer. The equipment of the invention is simple, recyclable and reusable, has low operating cost, high slag drainage efficiency, and can greatly reduce the transportation and treatment costs of slag.

This invention belongs to the technical field of sealant adhesive materials, specifically relating to a weather-resistant modified silane sealant and its preparation method. The preparation method of the weather-resistant modified silane sealant of this invention includes the following steps: S1, polypropylene glycol is sequentially subjected to alkoxide treatment and allylation treatment to obtain a polyether containing double bonds; the polyether containing double bonds and mercaptopropyltrimethoxysilane are used as raw materials for end-capping modification to obtain a silane-modified polyether material; S2, the silane-modified polyether material, filler, and plasticizer are mixed and vacuum stirred to obtain a mixture; S3, after cooling, a silane coupling agent, vinyltrimethoxysilane, catalyst, ultraviolet absorber, light stabilizer, and antioxidant are added to the mixture and stirred; the mixture is then discharged and sealed to obtain the weather-resistant modified silane sealant. This invention effectively improves the tensile strength of the material while ensuring good weather resistance of the sealant.