30results about How to "Flexible thickness adjustment" patented technology

The invention belongs to the technical field of oil and gas development and exploitation engineering, and particularly relates to a loose sandstone reservoir squeeze filling whole-process simulation experiment device, a whole-process simulation experiment method and a filling effect evaluation method.The whole-process simulation experiment device comprises an experiment device main body module, a constant-flow liquid supply system and a data measurement and acquisition system; the experimental device main body module comprises a simulation reservoir mold, a simulation sleeve, a screen pipe and a sealing cover plate, the simulation reservoir mold and the sealing cover plate are sealed and detachably connected, a plurality of simulation reservoir units are further arranged in the simulation reservoir mold, and the simulation reservoir units are laid around the simulation sleeve layer by layer and are filled in the simulation reservoir mold; the simulated reservoir unit is filled with simulated stratum sand; and the constant-flow liquid supply system and the data measurement and acquisition system are connected with the experiment main body device. The simulation experiment device can achieve simulation of the whole process of sand production, filling and production, and the filling effect evaluation method can provide theoretical guidance for optimization of extrusion filling parameters on a construction site.

The utility model discloses a masonry mortar spreading device for autoclaved aerated concrete porous building blocks, and belongs to the field of masonry mortar spreading. An autoclaved aerated concrete porous building block masonry mortar laying device comprises a shell, the shell is integrally formed by a bottom plate and at least two side plates, an opening is formed in the top of the shell, a transversely-extending discharging opening is formed in the bottom area of at least one side plate in the side plates, and a splitter plate is arranged on the outer wall of the shell in a sliding mode along the vertical edges of the side plates; a plurality of teeth arranged at equal intervals are arranged at the bottom edge of the splitter plate, and the distribution length of the teeth is smaller than the transverse length of the discharge port; the position height of the splitter plate can be adjusted, the mortar laying thickness of mortar can be more effectively controlled, a worker can flexibly adjust the thickness of the mortar according to actual construction requirements, the adaptability of construction is improved through the flexibility, mortar waste caused by uneven coating can be reduced, and the construction efficiency is improved. Therefore, the economic benefit of construction is improved.

The utility model discloses a rubber ring capable of being spliced, which comprises a bottom rubber ring and a top rubber ring, and a plurality of middle rubber rings can be spliced between the upper surface of the bottom rubber ring and the bottom of the top rubber ring. The bottom of the bottom rubber ring, the bottom of the middle rubber ring and the upper side and the lower side of the top rubber ring are each provided with an outer ring sealing protruding strip and an inner ring sealing protruding strip. The upper surface of the bottom rubber ring and the upper surface of the middle rubber ring are both provided with outer ring sealing grooves and inner ring sealing grooves which are distributed corresponding to the outer ring sealing protruding strips and the inner ring sealing protruding strips. According to the rubber ring, a user can flexibly adjust the overall thickness of the rubber ring according to needs, the overall length can be controlled according to actual needs, and the flexibility and the application range are greatly improved.

The utility model provides a sound-absorbing and noise-reducing fireproof plate, which relates to the technical field of fireproof plates and comprises a shell, a group of threaded holes are formed in one side of the outer wall of the shell, a sliding groove is formed in one side of the outer wall of the shell, a sliding block is fixedly mounted on one side of the outer wall of the shell, and a square hole is formed in the top of the shell. According to the utility model, when the fireproof plate is installed, a worker can place different numbers of plates according to the actual situation, so that the overall thickness of the fireproof plate is flexibly adjusted, and then the multiple layers of plates can be tightly attached and fixed in the shell through the moving extrusion plate only by rotating the fixing bolts; therefore, the problems of cost and installation efficiency caused by too thick plates are avoided while the fireproof and sound insulation effects are guaranteed, and the sliding grooves and the sliding blocks are arranged on the shell, so that the installation efficiency of the fireproof plates is improved, and meanwhile the connection stability is improved.

The invention relates to a door plate sealing frame structure which comprises a sealing frame, a protruding groove used for being sealed with a door plate is formed in the front portion of the sealing frame, the sealing frame is inserted into the door plate through the protruding groove, the groove is tightly attached to the door plate, and therefore a cabinet body is tightly attached to the door plate. And the use requirements of low-voltage or medium-voltage control cabinets with various non-standard sizes and IP44 and below are met. The door plate sealing frame structure is suitable for low-voltage or medium-voltage control cabinets of IP44 and below, and cabinet bodies of various different cabinet depths (the situation that the door plate is far away from devices in the door plate) can be attached to the door plate more tightly.

The invention discloses a corrugated paper box smashing device capable of adjusting smashing granularity, relates to the technical field of smashing devices, solves the technical problem of smashing granularity adjustment, and comprises a smashing box with a protective hopper, a plurality of first smashing discs and a plurality of second smashing discs are rotationally installed in the smashing box and used for cutting the smashing width of a corrugated paper box, and the protective hopper is arranged on the protective hopper. An adjusting assembly for adjusting the crushing granularity is arranged in the crushing box; the adjusting assembly comprises a rectangular rotating shaft rotationally installed in the smashing box, the first smashing discs and the second smashing discs are arranged on two first springs, and the first springs and elastic protection rings are fixedly installed between the two first smashing discs and between the two second smashing discs. And the cutting width and length of corrugated paper can be conveniently and flexibly controlled, the crushing granularity of the device can be conveniently adjusted, the crushing flexibility of the device can be improved, and the crushing working efficiency of the device can be improved.

The invention relates to the field of winding devices, in particular to an online coating cream tissue winding production line which structurally comprises a coating roller set comprising a supporting shell, supporting outer frames are arranged on the two sides of the supporting shell, a cooling roller and a coating roller are arranged between the supporting outer frames, and a feeding hopper is installed on the surface of the coating roller; a control roller is installed at a liquid outlet of the feeding hopper, the feeding hopper controls the thickness of the liquid level of the cream liquid coating roller through the control roller, the cooling roller comprises a roller body and a linkage box, the linkage box is connected with the roller body and the coating roller and driven by a driver, and the cooling roller and the coating roller rotate synchronously through the linkage box. The non-uniform thickness of the coating caused by differential speed is thoroughly avoided, the consistency of the coating on the surface of the tissue is guaranteed, the supporting shell forms a closed space, and pollution of dust to the uncured coating is effectively reduced; the quick cooling function of the semiconductor heating strip enables the cream liquid to be immediately shaped after being coated, the cream liquid is subsequently further cured through the drying bin, and the temperature control assembly is in sliding fit with the outer ring.

The utility model discloses a kind of radix puerariae slicing equipment, it is related to cutting technical field, including slicing frame, the surface welding installation of slicing frame has hydraulic telescopic link, one end fixed mounting of hydraulic telescopic link away from slicing frame has slicing frame board, the inboard fixed mounting of slicing frame board has first slicing knife, this radix puerariae slicing equipment, by power support board through the position change of second slicing knife adjustment on limiting slide bar to limiting support block, until the distance between second slicing knife and first slicing knife is adjusted to the position after being determined, operator releases positioning support plate, and positioning support plate is then driven reset by the tensile strength of being stretched elastic component, positioning support plate enters the inner wall positioning of the positioning recess on adaptive slicing frame board at this time, the precision of the butt joint of slicing frame board is guaranteed by the tip of positioning recess, and the thickness of first slicing knife and second slicing knife can be flexibly adjusted when coping with radix puerariae slicing by the mode.

The application discloses a kind of local carbon fiber reinforced composite material electric pole and preparation method thereof, including main pole body, and be arranged in the reinforcing layer of the main pole body predetermined axial interval;The material of the main pole body is glass fiber reinforced resin;The material of the reinforcing layer is carbon fiber reinforced resin;The predetermined axial interval is the area that electric pole is under the bending moment maximum in service state, including electric pole root area or by electric pole root to distance electric pole root length as electric pole total length 1 / 4 to 1 / 2 at least one continuous section in the local area of electric pole bending moment larger introduction high-performance carbon fiber reinforcing layer, to realize the significant promotion of lateral stiffness with the least carbon fiber usage, while maintaining the continuity and production efficiency of winding process;Carbon fiber reinforcing layer sets axial reinforcing layer and hoop reinforcing layer, give consideration to promote the bending stiffness and hoop stiffness of electric pole.

The invention discloses a double-sided heat dissipation MOS structure and a packaging technology thereof, and the technology comprises the following steps: packaging a chip: enabling the back surface of the chip to face upwards, enabling the chip to be inversely installed on a bonding film, completely packaging the chip, and grinding a packaging surface until the back surface of the chip is exposed; electroplating outer pins: electroplating a plurality of bonding pads on the exposed back surface of the chip and the ground packaging surface, continuously electroplating the outer pins on the surface of each bonding pad, continuously packaging the bonding pads and the outer pins, grinding and exposing the bottom surfaces of the outer pins, and transmitting heat of the back surface of the chip from the bonding pads to the outer pins and then dissipating the heat; electroplating the front surface of the chip: stripping the adhesive film, electroplating a metal column A on the front surface of the chip, encapsulating and grinding an encapsulating surface until the top surface of the metal column A is exposed; according to the invention, MOS devices are formed on the back surface and the front surface of the chip through the processes of layer-by-layer encapsulation, grinding, electroplating and the like, so that a double-surface heat dissipation packaging structure is formed, the heat dissipation effect is good, and the heat dissipation efficiency is high.

This utility model belongs to the field of gasket technology, specifically disclosing a self-tightening sealing gasket with adjustable thickness. The utility model includes a first gasket body and a second gasket body, with a thickness adjustment assembly between them. The thickness adjustment assembly includes a stacking unit and a fixing unit. The stacking unit includes an adjusting piece, which adjusts the thickness by stacking. The thickness adjustment assembly allows for flexible thickness adjustment by increasing or decreasing the number of adjusting pieces, adapting to the installation gaps of different devices. Furthermore, the corresponding insertion structure of the limiting block and the corresponding insertion hole / slot, along with locking bolts, securely fixes the first gasket body, the second gasket body, and the adjusting piece. This ensures both thickness adjustment and overall structural stability, preventing displacement or loosening of the adjusting piece under pressure or vibration, thus maintaining the gasket's mechanical strength and sealing performance.

The utility model discloses a radial gas foil bearing capable of independently adjusting circumferential four-direction air gaps. The radial gas foil bearing structurally comprises a bearing sleeve, an air gap adjusting screw rod, a locking screw, a wedge-shaped push block, a supporting tile, a bump foil and a flat foil. The air gap adjusting screw drives the wedge-shaped push block to move axially, so that the position of the supporting tile is adjusted, the bump foil is pushed to be compressed or released, and accurate adjustment of the air gap is achieved; each air gap adjusting screw can independently control the corresponding push block, independent adjustment of air gaps in four directions is ensured, and high precision and flexibility are provided. According to the bearing structure, independent adjustment is achieved through an air gap adjusting mechanism formed by four sets of air gap adjusting screws, wedge-shaped push blocks, supporting tiles and bump foils, the performance of the bearing is optimized, load changes and air film rigidity are adapted, the stability and efficiency of a rotor system are improved, and the bearing structure adapts to various complex working conditions.

The utility model provides a steam heating bin pretreatment device suitable for semi-solid hazardous waste, which comprises a steam generator, a steam output pipe, a steam chamber, an SMP mixing bin and a steam loop pipe, one end of the steam output pipe is connected with the steam generator, the other end of the steam output pipe is connected with the steam chamber, the steam chamber is positioned between the inner wall of the SMP mixing bin and a stirring shaft of the SMP mixing bin, and the steam loop pipe is connected with the steam chamber. The steam output pipe is arranged in the steam chamber and is arranged on the inner wall of the SMP mixing bin, one end of the steam loop pipe is connected with the steam chamber, the other end of the steam loop pipe is connected with the steam generator, the steam output pipe electric control valve is arranged on the steam output pipe, and the loop pipe electric control valve is arranged on the steam loop pipe. According to the device, through combination of steam heating and mechanical stirring, the problem that the semi-solid hazardous waste cannot be stirred and mixed uniformly due to high-temperature melting or low-temperature solidification in the pretreatment stage can be effectively solved, so that efficient pretreatment of the semi-solid hazardous waste with high temperature sensitivity is achieved, and the fluidity and uniformity of the semi-solid hazardous waste are improved.

The invention belongs to the technical field of surface modification of positive electrode materials of lithium ion batteries, and relates to an oxygen capture and thermal stability compound coating for a positive electrode material and application thereof, the oxygen capture and thermal stability compound coating comprises positive electrode active material particles and a compound functional coating covering the surfaces of the positive electrode active material particles, and rare earth elements comprise at least one of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; the transition metal element comprises at least one of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co and Ni; the thickness of the composite functional coating ranges from 1 nm to 200 nm. The double functions of oxygen capture and thermal barrier are achieved through the composite functional coating; lattice oxygen release of the positive electrode material in a high-voltage and high-temperature environment can be remarkably inhibited, the side reaction of an electrolyte or solid electrolyte interface is reduced, the cycle life is prolonged, and the safety performance is improved.

This utility model discloses a molding device for extruded water-cooled jackets of sandwich polyurethane foam, comprising: a base plate; an electric telescopic rod fixedly connected to the lower surface of the top plate; an upper mold plate fixedly connected to the lower end of the electric telescopic rod; an upper circulation pipe disposed inside the upper mold plate; a lower mold seat fixedly connected to the upper surface of the base plate; a lower circulation pipe disposed inside the lower mold seat; a support column fixedly connected to the lower surface of the base plate; an mounting plate fixedly connected to the side surface of the support column; a water tank fixedly connected to the upper surface of the mounting plate; a water pump fixedly connected to the left surface of the water tank via a connecting pipe; a filter fixedly connected to the output end of the water pump via a connecting pipe; a heat exchanger fixedly connected to the left surface of the filter via a connecting pipe; a tee fixedly connected to the end of the connecting pipe away from the water tank and the heat exchanger; a conveying pipe fixedly connected to the upper end of the tee; and a flexible hose fixedly connected to the upper end of the tee. This device helps ensure high-quality molding of the product.

The invention belongs to the field of kudzu vine root noodle processing, particularly relates to a multifunctional preparation system for kudzu vine root noodle processing, and aims to solve the problems that an existing noodle preparation system cannot realize accurate adjustment of the thickness of wrappers and efficient cutting operation, a large amount of manual intervention is needed, and the production cost and the labor intensity are increased. Comprising two machine frames, the two machine frames are arranged in parallel, two rotating rollers which are symmetrically arranged are rotationally connected between the two machine frames, the outer walls of the two rotating rollers are in transmission connection with the same conveying belt through belt wheels, and the tops of the two machine frames are fixedly connected with the same mounting frame. According to the automatic noodle making machine, dough sheets can be pressed into appropriate thickness and are rapidly conveyed forwards through the conveying belt, the noodle making efficiency is greatly improved, the height of the second pressing roller can be conveniently adjusted, the distance between the two pressing rollers can be conveniently controlled, and flexible adjustment of the thickness of the dough sheets is achieved.

The present invention provides an overload-resistant support rod and a preparation method, an installation method and a refrigerated infrared detector, which relate to the technical field of refrigerated infrared detectors, and include a plurality of rigid support sheets arranged in sequence, wherein the thickness direction of each rigid support sheet is parallel to the length direction of the support rod; both sides of each rigid support sheet are filled with elastic parts, the elastic parts are solidified by a polymer material solution, and the concentration of the polymer material solution forming the elastic parts in the middle area of ​​the support rod is higher than the concentration of the polymer material solution forming the elastic parts in the two end areas of the support rod. The beneficial effect is that the support rod is formed by staggered arrangement of rigid support sheets and elastic parts, so that the material, quantity and thickness of the rigid support sheets can be flexibly adjusted, as well as the type and concentration of the polymer material solution forming the elastic parts can be flexibly adjusted to meet the needs of different application scenarios, and the strength of the support rod is self-adaptive and overload-resistant.

The utility model discloses a plate shearing machine, the utility model, including fixed base and transport subassembly, its characterized in that, the fixed base top fixedly connected with transport subassembly, transport subassembly includes two square grooves, the fixed base upper surface is equipped with two square grooves, two square groove inner wall lower surface all are equipped with two sets of positioning hole, and two square groove inner wall lower surface all slidingly connected with two electric guide rails, two electric guide rails's left and right sides all are fixedly connected with two sets of connecting ears below the end, two electric guide rails are fixedly connected on square groove inner wall upper surface through positioning bolt group, through the collaborative operation of each part of conveyer subassembly, has realized to the self -adaptation transport and clamping of different specifications board, has liberated manpower. Conveyer subassembly and cutting assembly closely cooperate, can assist to complete the cutting work to various board, reach the purpose that improves plate shearing machine work efficiency and applicability, satisfies the diversified board processing demand.

The utility model relates to a soil turning and covering assembly, a turning plough and a covering plough for a hand-push type fertilizer applicator. The turning plow is installed below the rack and provided with a plow wall, the earthing plow is located on one side of the tail of the plow wall and composed of a first earthing part and a second earthing part which are movably connected, a first bulldozing face and a second bulldozing face are formed respectively, and the angle can be adjusted to form different included angles with the extension face of the plow wall. The inner sides of the first bulldozing face and the second bulldozing face are lower than the outer sides and are gradually folded in the height direction of the plough wall, the circle center of a first arc part between the front end and the rear end faces outwards, and the curvature is decreased progressively. In addition, a second arc part facing outwards the circle center is arranged between the inner side and the outer side of each bulldozing face, and a blocking part bent inwards is additionally arranged on the outer side of each bulldozing face. The soil covering device can quickly and efficiently adjust the soil covering amount.

The present invention provides a paving device for backfilling crushed stone filter layer on the back of a highway subgrade, comprising a main frame, a bottom plate, a hopper, a guide pipe, a stopper, a flow regulating plate, a walking wheel, and a screen plate, wherein the main frame is arranged above the bottom plate, the main frame comprises a main frame and a balance frame, the hopper is arranged on the main frame, the walking wheel is arranged at the bottom of the bottom plate, the guide pipe is arranged at the bottom of the hopper, the guide pipe comprises a vertical pipe, a corner and an oblique pipe from top to bottom, a notch is provided on the side of the vertical pipe, the flow regulating plate is inserted from the notch, and the falling material flow is adjusted by pulling, the corner connects the vertical pipe and the oblique pipe, the outlet end of the oblique pipe is arranged on the right side of the bottom plate, the screen plate is arranged in the hopper, a plurality of sieve holes are arranged on the screen plate, and the stopper comprises a transverse stopper plate and a transverse stopper plate, which are fixed to the right side of the main frame by a clamp. The present invention has a simple structure and is convenient for disassembly and assembly, and the paving material is paved through the stopper, so as to achieve the effect conveniently.

The present invention relates to a packaging device for a small-bag independently-packaged cotton pad type cosmetic product, which is characterized in that: a first guide roller and a second guide roller which are used for clamping longitudinally-cut cotton pad materials from two sides and supplying the cotton pad materials at a certain speed are connected through a second rotating linkage device, so that the first guide roller and the second guide roller rotate synchronously; the makeup cotton feeding device is characterized in that the thickness of the conveyed makeup cotton material can be flexibly adjusted and the makeup cotton material with a certain length can be stably supplied by adopting a structure that the second guide roller is fixed and the first guide roller is pressed and moved by a separate second elastic pressing part; by adopting the structure that the cut small bags are adsorbed, rotated, aligned and arranged on the conveying belt, the small bags which are finally produced can be aligned and arranged on the conveying belt, so that the packaging time is shortened.

This invention discloses a scaled-down design method for the impact dynamic response of aircraft stiffened plate structures, belonging to the field of aircraft structural / strength testing technology. The method comprises the following steps: defining the load parameters and geometric parameters of the aircraft stiffened plate; calculating the relative stiffness of the stiffened plate; defining the basic geometric similarity ratio of the scaled-down model of the stiffened plate; determining the similarity ratio of the stiffened plate panel thickness; determining the similarity ratio of the width, height, and spacing of the stiffeners; obtaining the geometric dimensions of the scaled-down model of the stiffened plate; acquiring the dynamic response of the scaled-down model of the stiffened plate; and, based on the similarity ratio of the dynamic response, using the scaled-down model of the stiffened plate to predict the dynamic response of the prototype. This invention overcomes the practical difficulty of scaling down test specimens based on geometric similarity for thin-walled structures like aircraft stiffened plates, while simultaneously shortening the testing cycle and scale, and saving costs.

The utility model relates to the technical field of eccentric adjustment of wire extrusion molds, in particular to a manual eccentric adjustment mechanism of an insulation layer extrusion mold, which comprises an outer shell and an extrusion mold body, a movable groove is arranged inside the outer shell, four end feet outside the outer shell are fixedly connected with L-shaped support plates, and the movable groove is arranged in the movable groove. Double-thread screws are connected into the four L-shaped supporting plates in a meshed and penetrating mode, one ends of the double-thread screws are connected with adjusting blocks located in the movable grooves, connecting blocks are arranged between the adjusting blocks and the double-thread screws, positioning grooves are formed in the connecting blocks, limiting grooves are formed in the left sides and the right sides of the positioning grooves, and connecting rods are connected into the limiting grooves in a penetrating mode; one side of the connecting rod is fixedly connected with an inserting block, and the connecting rod is sleeved with a spring; according to the utility model, through a mechanism capable of adjusting the thickness of the insulating layer and a structure capable of conveniently disassembling and assembling the adjusting block, the subsequent working efficiency is greatly improved.

The utility model discloses a plate close splicing and base layer-free device, which comprises a wall-attached connecting piece, a screw rod, a square end block, a customized keel, a fixing nut I and a fixing nut II, the square end block is fixed at the right end of the screw rod, the left end of the screw rod penetrates through the surface of the wall-attached connecting piece and is fixedly connected with the wall-attached connecting piece through the two fixing nuts II, and the square end block is fixed at the right end of the screw rod. Expansion bolts are arranged on the two sides of the wall-attached connecting piece, a T-shaped groove corresponding to the square end block is formed in the left side of the customized keel, the surface of the right end of a screw rod is sleeved with a first fixing nut, and the right end of the customized keel is clamped between the two finished wood veneers; the adjustable plate base layer device can be formed by the wall-attached connecting pieces, the screw rods, the square end blocks, the customized keels and other structures, the construction convenience is high, the stability after construction is high, meanwhile, the thickness of a finished surface can be flexibly adjusted according to space requirements, and tight splicing of splicing gaps between plates is completed.

The utility model discloses a waterproof sound insulation floor slab. The waterproof sound insulation floor slab comprises a first floor slab layer, a filling layer and a second floor slab layer, the filling layer is arranged between the first floor layer and the second floor layer; the first floor layer is located on the bottom side of the filling layer, and the second floor layer is located on the top side of the filling layer. And the second floor slab layer is a post-cast structural body. According to the waterproof sound insulation floor slab, the waterproof sound insulation material is arranged between the two layers of floor slabs, and the waterproof sound insulation purpose of the floor slab is achieved.

The invention relates to charcoal stable coated slow-release urea and a preparation method thereof, and belongs to the technical field of agricultural chemical fertilizers. The slow-release urea comprises a urea core and a coating layer, wherein the coating layer comprises biochar, a modified binder, a vegetable oil nano-emulsion sealant and a urease inhibitor and / or a nitrification inhibitor. The preparation method comprises the following steps: firstly, preparing the modified binder and the nano-emulsion; uniformly mixing the biochar with an inhibitor; the preparation method comprises the following steps: alternately spraying a binder, adding charcoal-inhibitor mixed powder and spraying a nano emulsion on preheated and rolled urea particles, circularly coating for multiple times, and drying. According to the invention, the biochar is used as a green film material, through a unique coating structure, the slow release of nutrients and the long-acting and stable cooperation of the inhibitor are realized, the nitrogen fertilizer utilization rate is obviously improved, the environmental pollution is reduced, the process is simple, and the cost is relatively low.

This invention discloses a biodegradable permeable reactive wall module and a permeable reactive wall. The permeable reactive wall module includes an installation bag made of biodegradable fabric material. The installation bag is flexible and foldable. An opening is provided at the upper end of the installation bag along its height direction. Multiple cavities are spaced apart along the thickness direction inside the installation bag. These cavities are used to fill the same or different active fillers and to treat pollutants in the groundwater as it penetrates the installation bag along its thickness direction. A first hardening blanket and a second hardening blanket are respectively provided on the outer side of the water-facing side and the outer side of the backwater side of the installation bag along its thickness direction. Both the second and first hardening blankets have first through holes formed along their thickness directions. A third hardening blanket is provided on the lower side of the installation bag along its height direction. This invention is biodegradable, does not cause secondary pollution, and allows for adjustment of the active material thickness to adapt to changes in pollutant concentrations in different sites.

This application discloses a method for controlling the settlement of loess dams, comprising: identifying a first region in the loess dam body where the compressive stress exceeds a preset threshold; removing the loess in the first region; filling the first region after loess removal with gravel, the first region after gravel filling being called a gravel-mixed zone; and the loess dam containing the gravel-mixed zone being called a soil-stone composite. This method abandons the traditional method of relying solely on increasing compaction, and adopts the core concept of equal volume replacement. By directly replacing part of the compressible loess volume with rigid gravel particles, it physically reduces the total amount of compressible soil within the loess dam body. Furthermore, the stable framework formed by the gravel effectively bears and transfers the overlying load. This method fundamentally improves the soil structure, thereby suppressing settlement at its source.