11results about How to "Improve anti-settling performance" patented technology

The invention relates to the technical field of construction engineering foundation treatment, in particular to a foundation structure based on a high-saturation brine crystallization technology and a construction method of the foundation structure. The foundation structure comprises a basic primary salt rock bearing layer, a bottom framework cementing layer and a surface sand gravel compensation layer. As the magmatic rocks are very hard, high in density and enough in salt lake chemical environment resistance, the magmatic rocks are directly put into a hypersalinity brine area to form a rigid framework, framework building-in, gap filling and overall cementing are achieved through natural crystallization of salt lake hypersalinity brine, and a core rigid framework of the foundation is formed; the structure can be connected with a primary salt rock bearing layer of a lower foundation to form a stress transmission system, can resist soaking erosion caused by conventional fluctuation of the brine water level, has anti-floating and anti-seepage dual performance, can improve the foundation bearing capacity and the anti-settling capacity, and enables a building newly built on a salt lake to be more stable. Meanwhile, the magmatic rocks are natural materials, so that the salt lake environment is not polluted, and the environmental protection property is good.

This invention relates to the field of orthopedic repair technology, and provides a 3D-printed mortise-and-tenon composite drug-loaded femoral head necrosis reconstruction rod and its preparation method. The reconstruction rod includes a skeleton, the inner cavity of which has a three-dimensional, interconnected, micron-scale topological porous structure; both the outer surface of the skeleton and the surface of the micron-scale topological porous structure are covered with a drug composite layer; the outer surface of the skeleton has multiple tenons for forming a mortise-and-tenon lock with the inner wall of the femoral head medullary cavity; the drug composite layer contains a first drug that inhibits osteoclast activity and a second drug that promotes osteoblast differentiation. This invention achieves anti-rotation and anti-settlement mechanical locking with the host bone through a biomimetic mortise-and-tenon structure, and actively regulates the local bone repair microenvironment by loading dual drugs that inhibit osteoclast activity and promote osteoblast differentiation, ultimately achieving bio-integrated fixation mimicking natural bone.

This utility model discloses a high-strength, leak-proof fiberglass septic tank, belonging to the field of fiberglass septic tanks. It includes a fiberglass septic tank body, with a protective component on the outer side of the body and an anti-settlement component at the bottom. The protective component includes a reinforcing layer, the inner side of which is fixedly connected to the outer side of the fiberglass septic tank body, and insulation cotton fixedly connected to the outer side of the reinforcing layer. The anti-settlement component includes an anti-settlement platform, the top of which is fixedly connected to the bottom of the insulation cotton, and an arched base fixedly connected to the bottom of the platform. A main pile and a secondary pile are fixedly connected to the bottom of the arched base, with the secondary pile close to the outer wall of the main pile. Through the anti-settlement component, ground pressure is effectively dispersed and transmitted, avoiding tank deformation, cracks, and leakage caused by uneven foundation settlement, significantly improving the equipment's anti-settlement capability.

The utility model relates to the technical field of tower foundations, and discloses an electric tower foundation structure which comprises a foundation body and a circular truncated cone fixedly connected to the upper surface of the foundation body, a plurality of bolts are evenly embedded and fixedly connected to the upper surface of the circular truncated cone, and nuts are connected to the outer portions of the bolts in a threaded mode. The upper end of the nut is located outside the bolt and is fixedly connected with a ratchet wheel, and a positioning mechanism is arranged in front of the bolt; through a matching mechanism of the ratchet wheel and the pawl, the nut is effectively prevented from rotating anticlockwise, and the problem of looseness caused by vibration or external force after fastening is solved; a limiting rod in the positioning mechanism is automatically embedded into a pawl under the action of a second spring to form double locking, so that stable meshing of the pawl and a ratchet wheel is further ensured, and accidental dislocation is avoided; the anti-settling capacity of the foundation structure is remarkably improved through the tip design of the reinforcing rod; the design enhances the stability and safety of the whole structure, and has the advantages of high practicability and high reliability.

The utility model discloses a collapsible loess area inspection well anti -settlement improvement structure belongs to inspection well technical field, including inspection well body, and inspection well body is by a plurality of inspection well unit assembly, and inspection well unit includes annular well shaft and fixing piece, and fixing piece along the outer ring surface of annular well shaft is evenly arranged with multiple, and fixing piece includes vertical connection's support plate and fixed web, and support plate is used for increasing the contact area of inspection well unit and surrounding soil body, and support plate is equipped with through -hole, and the support plate of each layer inspection well unit is aligned along the axial, and the through -hole of alignment is equipped with screw rod, and the bottom of screw rod is equipped with fender, and fender is located with the support plate of bottom layer and is abutted, and screw rod is equipped with with its thread connection's lock nut, and lock nut is used for the close -up support plate to fixed each layer inspection well unit. Each layer inspection well unit can cooperate with the stress, can pass through the force transmission dispersion stress of structure self, reduces the local damage of the stress concentration.

The utility model relates to the technical field of building structure engineering, and discloses an anti-settling prefabricated column which comprises a prefabricated column body and an anti-settling top block, the anti-settling top block is arranged at the top end of the prefabricated column body, the height of the anti-settling top block is smaller than the length of the prefabricated column body, and the plane sectional area of the anti-settling top block is larger than that of the prefabricated column body. The center point of the anti-sinking top block is located on the center extension line of the prefabricated column body. The effect of improving the anti-settling performance of the prefabricated column is achieved.

The expandable interbody fusion cage comprises an acetabular cup and a titanium cage, the interior of the acetabular cup is hollow, and the titanium cage is installed in the acetabular cup; the acetabular cup comprises a left shell and a right shell which are symmetrically arranged, the left shell and the right shell are respectively provided with a plurality of vertical columns which are vertically arranged, the front ends of the left shell and the right shell are respectively provided with an I-shaped frame, a certain gap is formed between the middle portions and the rear ends of the left shell and the right shell, and clamping sawteeth are arranged on the upper faces and the lower faces of the middle portions of the left shell and the right shell respectively. A flexible supporting column and a bridging column are installed in a gap between the left shell and the right shell, and the acetabular cup expands in the left-right direction through the I-shaped frame, the flexible supporting column and the bridging column. The front end of the titanium cage is conical, a limiting groove matched with the I-shaped frame is formed in the conical front end, a bone grafting cavity is formed in the middle of the titanium cage, the upper side and the lower side of the bone grafting cavity are open, and a plurality of hollow holes are formed in the cage wall of the titanium cage. The interbody fusion cage is reasonable in structure, stability and anti-settling performance can be improved, and therefore certain help and guidance are provided for clinic.

The utility model discloses a novel transmission line river-crossing tower foundation relates to transmission line engineering technical field, it includes four independent foundation and three layers of link beam, three layers of link beam are arranged at four independent foundation between along vertical direction interval, for the whole reinforcement of four independent foundation and the stress synergy, every independent foundation all includes foundation bottom plate and foundation stand, and foundation bottom plate horizontal arrangement, its top and the bottom fixed connection of foundation stand, three layers of link beam include upper layer link beam, middle layer link beam and lower layer link beam, upper layer link beam is close to the bottom setting of iron tower tower leg, and middle layer link beam sets up in the middle position of foundation stand height direction, and the bottom of lower layer link beam is flush with the top of foundation bottom plate. The utility model scheme can adapt to the soft soil of river bank, and the whole stress synergy performance is good, can effectively resist water environment erosion, and the service life is long.

This invention provides a prestressed pipe pile for foundation construction, relating to the field of foundation pipe piles. It includes a pipe pile section with a row of identical structures. A ring of pre-embedded nuts is installed on the pipe pile section. A weld protection element is fitted onto the pipe pile section, located outside the ring of pre-embedded nuts. An adjustable pointed end is installed at the bottom of the pipe pile section. The weld protection element surrounds the weld bevel of the upper connecting ring. Combined with a retraction column, this ensures that mechanical fastening is prioritized before welding the pipe pile section. Specifically, by first connecting the pre-embedded connecting cylinder with connecting bolts, a stable connection is maintained between the upper and lower connecting rings, while the weld bevel fits tightly. This addresses the current problems of prestressed pipe piles used in foundation construction, such as the inconvenience of adjusting the retraction of the pile tip and poor weld quality control.

The invention relates to the technical field of heat conduction materials, in particular to low-heat-resistance low-oil-permeability anti-aging thixotropic high-heat-conduction silicone grease and a preparation method thereof. According to the silicone grease, dimethyl silicone oil and vinyl-terminated polydimethylsiloxane serve as matrixes, layered interface modified spherical aluminum oxide and flaky boron nitride are compounded to serve as heat conduction filler, and hydrophobic fumed silica and a fixed-point micro-crosslinking system are added. Through a process of firstly constructing a heat-conducting network and then triggering sparse crosslinking, high heat conductivity coefficient, low interface thermal resistance, good thixotropy and long-term thermal stability are realized, the problems of oil leakage, sedimentation and aging under high filling are effectively solved, and the composite material is suitable for heat dissipation of high-power electronic devices.

This application relates to the field of dye technology, and provides an environmentally friendly liquid dispersed turquoise blue dye and its preparation method. The preparation method includes: dividing a dispersant into two parts, adding the first part of the dispersant to the turquoise blue dye raw material, and performing a first stirring treatment and a heat preservation treatment sequentially to obtain a pre-dispersed slurry; mixing deionized water, the second part of the dispersant, a wetting agent, and a pH adjuster to obtain an hydration liquid, adding the hydration liquid to the pre-dispersed slurry for hydration treatment to obtain a dispersed turquoise blue slurry; mixing nanocellulose, deionized water, and tannic acid to obtain a premixed liquid, grinding the dispersed turquoise blue slurry and adding it to the premixed liquid, performing a second stirring treatment, and then adding a humectant, an antifoaming agent, and a preservative, and mixing to obtain the environmentally friendly liquid dispersed turquoise blue dye. This invention, by adding the dispersant in two parts, allows the dispersant to be adsorbed onto the surface of the turquoise blue dye particles, reducing particle agglomeration and improving the slurry refinement efficiency and particle size distribution uniformity.