72 results about "Solid base" patented technology

The utility model discloses a novel baseball exerciser, which relates to the technical field of sports equipment and comprises a base, the base is of a cross-shaped structure, the top end of the base is connected with a hollow pipe, a supporting rod is arranged above the hollow pipe, the hollow pipe and the supporting rod are connected through a connecting piece, and the top end of the supporting rod is connected with a ball support. According to the patent, the structure is simplified, disassembly and assembly are rapid and convenient, in addition, the base is also improved, an original rectangular solid base is improved into the cross-shaped base, on the premise that stability is not convenient, the containing space of the base is greatly reduced, and compared with an original rectangular base, the base has the advantages of being smaller in size and more convenient to carry, and the application range is wide. And therefore, the device is more portable when being carried outdoors.

The invention discloses a construction waste resource recycled concrete preparation process. The process comprises the following steps: step 1, dismantling and primary sorting; step 2, pretreatment and primary crushing; step 3, secondary crushing and shaping; step 4, screening and grading; step 5, deep impurity removal and purification; step 6, strengthening the aggregate; and step 7, storing a finished product. Step 8, designing and adjusting a mix proportion; step 9, proportioning and stirring; 10, transporting, pouring and maintaining; the construction waste can be efficiently treated and utilized in an environment-friendly mode through multiple steps, and the construction waste is converted into the recycled concrete with the practical application value. According to the present invention, the accurate mix proportion of the recycled concrete preparation is achieved through the accurate mix proportion design and adjustment and the scientific batching and stirring process, such that the quality stability of the recycled concrete is improved, the solid foundation is established for the wide application of the recycled concrete in various constructional engineering, and the excellent physical and mechanical properties of the recycled concrete are ensured.

The invention discloses a grading design method for a high and steep stepped reinforced earth retaining wall under complex geology, which considers different construction conditions of complex terrain, specifically designs different grading mode selection strategies, adopts rib tension parameters to carry out stability analysis in each grading mode strategy, and improves the stability of the high and steep stepped reinforced earth retaining wall according to the stability of the high and steep stepped reinforced earth retaining wall. And a reinforcing method of the reinforced earth retaining wall under the condition of a small grading number is provided, and the reliability under each grading mode is guaranteed. According to the method, through a scientific and reasonable grading strategy, the complex design process of the high and steep step type reinforced earth retaining wall is refined and decomposed, a systematic and comprehensive design guidance scheme with operability is provided for designers, the accuracy and reliability of early-stage design of the reinforced earth retaining wall can be effectively improved, and the design efficiency of the reinforced earth retaining wall is improved. And a solid foundation is laid for smooth implementation of a project.

The utility model relates to dust collector brush injection mold with the technical field of guiding effect, especially dust collector brush injection mold with guiding effect, including upper die, the upper die is connected with the pouring gate and is provided with, the upper die bottom fixedly connected with guide pin, the guide pin outer wall sliding connection has the movable platen, the guide pin lower segment outer wall sliding connection has the support plate. This injection mold is connected with the guide pin of upper die bottom fixedly connected, and the stable and accurate direction of the movement of movable platen is provided. In the process of mold opening and closing, the movable platen along guide pin smooth sliding, cooperate the limit ring and ensure that the movable die and the fixed mold accurate alignment with the limitation of movable platen movement range. This design effectively avoids the dimensional deviation caused by mold misregistration, so that the size precision of injection molding dust collector brush is reliably guaranteed, greatly improves the compatibility of brush and dust collector, reduces the scrap rate caused by size, and lays a solid foundation for producing high-quality dust collector brush.

This utility model relates to the field of curtain wall installation technology, and in particular to an adjustable support for a steel structure of a building curtain wall, including a support, a support tube, and a screw cap. A support tube is fixedly connected to one side of the support, and a screw cap is fixedly connected to one end of the support tube. The support tube includes a support tube body, an inflatable anti-slip device inserted into the inner side of the support tube body, a partition fixedly connected to the inner side of the support tube body, an air inlet at one end of the support tube body, and a support rod fixedly connected to the outer side of the support tube body. A threaded groove is provided on the inner side of the support tube body. The inflatable anti-slip device includes a solid base, an inflation port on the outer side of the solid base, and an air supply strip hole inside the solid base. In this utility model, through the inflatable anti-slip device and the insertion bolt, it is possible to reinforce the minor pits between curtain walls while fixing the curtain wall installation, filling the gaps at the edges of the curtain wall panels while maintaining the stability of the curtain wall.

The invention discloses a construction evaluation method for building masonry, which comprises the following steps: establishing a stratum acquisition area in a construction area, acquiring a soil sample, and dividing the soil sample into a hard soil layer and a soft soil layer according to the water absorption of the soil layer; according to parameters of different stratums, design parameters of a foundation pile and a foundation ground beam are formulated, the foundation pile and the foundation ground beam serve as a foundation of a construction building masonry, a simulation model is established according to data of the foundation pile and the foundation ground beam, and stress needing to bear the building masonry is applied to the simulation model. And evaluating the stability of the foundation piles, the foundation ground beams and soil layers and rock stratums under the foundation, and giving construction suggestions. According to the scheme, detailed stratum test data and a comprehensive stability analysis method of construction analogue simulation are combined, so that the safety and the reasonability of the construction design scheme of the building masonry are ensured, and a solid foundation is provided for construction safety and smooth service.

The invention relates to the technical field of metal material preparation, in particular to a heat treatment process of a mining vertical chain connecting ring. The mining vertical chain connecting ring is made of 23MnNiMoCr54 steel, and the heat treatment process is controlled in a double-gradient tempering and charging mode. By means of the innovative double-gradient tempering technology, precise regulation and control over the microstructure of the material are achieved, the spheroidization rate of carbide is increased to 70% or above from 65% or below, and the machinability and the mechanical property basis of the material are effectively improved; and meanwhile, the depth of a surface decarburized layer is strictly controlled within 200 microns, the fatigue strength of the surface layer is greatly reserved, the hardness distribution of a final finished product is highly uniform and is stabilized within the range of HRC39-42, the range does not exceed + / -1, and a solid foundation is laid for performance consistency.

The invention discloses a construction method for wall formwork erecting of a narrow expansion joint of a high-rise building, and relates to the technical field of expansion joint formwork erecting, a shear wall is included, a reinforcing assembly is arranged on one side of the shear wall, a supporting assembly is arranged on one side of the reinforcing assembly, and an expansion assembly is arranged on the top of the supporting assembly. According to the construction method for wall formwork erecting of the narrow expansion joint of the high-rise building, wall formworks are installed on the two sides of a shear wall steel bar frame and fastened through fixing bolts and nuts, the stability of the formworks can be guaranteed, a solid foundation is provided for follow-up construction, a triangular frame is fixed to one side of the formworks through expansion bolts, the overall stability can be enhanced, and the construction efficiency is improved. The length of the first telescopic plate and the second telescopic plate can be flexibly adjusted according to the size of the expansion joint, different construction requirements are met, adaptability is high, the telescopic plates are fixed through bolts after being adjusted in place, it is guaranteed that the positions of the telescopic plates are accurate, connection is firm, the construction efficiency is improved through the installation method, and the shear wall structure is safer and more reliable.

The utility model discloses a submerged pipeline laying device for municipal roads, which relates to the technical field of pipeline laying and comprises a U-shaped plate, transverse adjusting rods capable of moving left and right are arranged at the front end and the rear end of the U-shaped plate, and the transverse adjusting rods are arranged on the U-shaped plate. The top end of the U-shaped plate is fixedly connected with a first stabilizing plate capable of being stabilized on the ground, and according to the municipal road submerging type pipeline laying device, by arranging stabilizing nails on the first stabilizing plate and arranging a plurality of stabilizing protrusions on a second stabilizing plate, the effect of stabilizing the device can be achieved. The first stabilizing plate can be firmly fixed to the horizontal plane of the ground through the stabilizing nails, and the second stabilizing plate and the stabilizing protrusions work cooperatively and are tightly attached to the side wall of the tunnel. Therefore, the conditions that the bottom face of the channel is hollow, uneven, wet and slippery are effectively overcome, the device can be kept stable in a complex underground environment, a solid foundation is provided for pipeline laying operation, and it is guaranteed that follow-up operation is conducted smoothly.

The utility model discloses an environmental protection science and technology rubber ball and vulcanization mould thereof, and the rubber basketball includes the inner bag layer, winding layer, base material layer and film layer that are wrapped in turn from inside to outside. The inner bag layer outer surface sets up the inner rubber layer to stick solid winding layer, and the winding layer outer surface sets up the outer rubber layer to stick solid base material layer, and the film layer is fixed through the base material layer outer surface adhesion, realizes the close adhesion between each functional layer while guaranteeing the stability of the ball body structure, and the overall performance of the basketball is optimized. The vulcanization mould contains the upper die, lower die of hinged, and both are equipped with heating gas inlet and outlet device and cooling water inlet and outlet device in the hollow area, and the upper gas outlet and lower gas outlet that are communicated with the hollow area are respectively arranged. The upper die and lower die cover and form the chamber containing the basketball, and the lower die is provided with the inflation air pipe that is communicated with the chamber, and the end portion is in register with the basketball air inlet. The technical scheme of the utility model can reduce the hardness of the rubber basketball and improve the hand feeling.

The invention relates to the technical field of big data, and discloses a municipal road construction method and system based on BIM. According to the method and the system, basic information is systematically collected by means of a big data technology, laser scanning and the like, a database is formed, information islands are eliminated, misunderstanding and delay caused by information asymmetry are reduced, collision detection of underground pipelines and road structures is realized by establishing a complete urban BIM model, and the detection accuracy is improved. The method has the advantages that potential safety hazards and economic loss in construction are reduced, various links in the construction process are rehearsed by the aid of virtual simulation technologies, construction sequences and resource allocation are optimized, and finally, deviations in the construction process can be timely discovered and corrected by means of real-time data comparison and dynamic adjustment, so that construction quality and progress are guaranteed, and construction efficiency is improved. The series of measures not only improve the overall efficiency of construction, but also lay a solid foundation for subsequent road operation and maintenance management, and promote the digital and intelligent transformation of the construction industry.

The invention discloses an anti-abrasion combined concrete layered lining structure of a canal spillway in the field of water conservancy projects, the whole lining structure is of a V-shaped structure, and the lining structure comprises a fixed base layer, an anti-abrasion combined concrete layered lining layer and an anti-abrasion combined concrete layered lining layer, the buffer layer is poured on the surface of the solid base layer; the impact abrasion layer is poured on the surface of the buffer layer; the rigidity of the impact-wear layer is greater than that of the solid base layer; the rigidity of the solid base layer is greater than that of the buffer layer; the invention further discloses a construction method. The lining structure has the beneficial effects that the lining structure is arranged to be of a three-layer structure, the rigidity of the three-layer structure is designed in a differentiated mode, the scouring and abrasion layer on the outermost layer adopts high strength provided by UHPC to resist high-speed sand-containing water flow, and the buffer layer on the middle layer adopts rubber powder modified concrete to buffer and digest impact and compensate deformation; and the fixed base layer of the bottom layer adopts the original waste base as the material, thereby being more environment-friendly and higher in construction efficiency.

The utility model discloses a ballastless track beam body pre-embedded sleeve positioning tool, which relates to the technical field of constructional engineering, and comprises two positioning angle steels and a positioning plate, the side surface of each positioning angle steel is provided with a positioning groove, the lower part of the positioning plate is provided with a clamping groove, the number of the positioning angle steels is two, and the two positioning angle steels are arranged in parallel. The positioning plate is inserted above the positioning angle steel through the clamping groove; the positioning angle steel is made of angle steel materials, holes are accurately formed according to a bridge construction drawing to form the positioning groove, the width of the positioning groove is accurately matched with the diameter of the pre-embedded sleeve, and the clamping groove of the positioning plate and the inserting design of the positioning angle steel are matched, so that accurate positioning of the pre-embedded sleeve is guaranteed from multiple dimensions; the problem of position deviation caused by a traditional manual positioning mode is effectively solved, and a solid foundation is provided for accurate butt joint of follow-up construction parts.

The utility model belongs to the technical field of crushing devices, and particularly relates to a crushing device for solid waste concrete treatment, which comprises a base, a crushing mechanism is arranged on the base, a screening mechanism is arranged on the crushing mechanism, the crushing mechanism comprises a support, the support is fixedly mounted on the base, a box body is arranged at one end of the support, and the screening mechanism is arranged at the other end of the support. And the inner wall of the box body is rotationally connected with a crushing roller. By arranging the crushing mechanism, the purpose of crushing solid waste concrete is achieved, the capability of synchronously driving the conveying belt to operate is further achieved, through the design, the crushed solid waste concrete can be rapidly transferred, the efficiency of the treatment process is effectively improved, and meanwhile, by arranging the screening mechanism, the screening efficiency is improved. And the crushing mechanism can be cooperatively started during operation, so that the crushed solid waste concrete can be immediately screened, a solid foundation is laid for subsequent fine treatment of the solid waste concrete, and the practicability and high efficiency of the whole treatment scheme are remarkably enhanced.

According to the scratching and stripping structure, device and method for RAP material surface treatment, the scratching steel brush is used for scratching the stone surface in the RAP material, and an asphalt film is effectively stripped; when encountering stones with larger size or stronger impact force during working, the stones can directly impact the movable plate instead of the rigid structure, the impact force can drive the movable plate to stably move towards the fixed bottom plate along a guide groove formed by the guide piece, and the elastic mechanism between the movable plate and the fixed bottom plate is synchronously extruded to generate elastic deformation; instantaneous rigid impact of stones on the device is converted into buffering energy absorption of an elastic mechanism, and most impact energy is absorbed and dissipated through elastic deformation, so that counter-acting force acting on the stones is greatly buffered and weakened, the stones are prevented from being broken or cracked due to impact, and the service life of the device is prolonged. The physical integrity and original gradation of the stones are guaranteed to the maximum extent, and a solid foundation is laid for subsequent high-value recycling.

The utility model discloses a road slope ecological protection structure, which belongs to the technical field of ecological protection and is characterized by comprising a mounting mechanism, a guide mechanism is arranged at the top of the mounting mechanism, and the mounting mechanism can be firmly inserted into soil to stably fix the whole protection structure on a road slope. Displacement or toppling of the structure due to slope soil loosening and the like is effectively prevented, continuous exertion of the protection function is guaranteed, a solid foundation is laid for slope protection, a plurality of installation mechanisms can be spliced and combined, the scale of the whole protection structure can be flexibly adjusted according to the length of the slope, the structure can adapt to road slopes of different lengths, and the protection effect is good. According to the structure, the flexibility and universality of installation and use of the structure are enhanced, the guiding mechanism can protect and limit plants, meanwhile, rainwater can be collected and guided, plant root necrosis caused by excessive accumulated water is prevented, drip irrigation can be conducted on the plants, water waste is reduced, and the utilization efficiency of water resources is improved.

The application provides a supported solid base deacidification and dewatering material and a preparation method thereof. The preparation method of the supported solid base deacidification and dewatering material comprises the following steps: (1) mixing γ-alumina, magnesium hydroxide and starch once to obtain dry mixture; (2) adding acid solvent and alcohol solvent to the dry mixture to perform secondary mixing to obtain wet mixture; (3) performing extrusion granulation, drying and calcination on the wet mixture to obtain first precursor; (4) grinding and mixing calcium carbide and the first precursor to obtain second precursor; and (5) packaging the second precursor by using PP melt-blown cloth to obtain the supported solid base deacidification and dewatering material. When the supported solid base deacidification and dewatering material is used, solid impurities can be effectively prevented from adhering to the surface to affect the activity, and the material loss can be effectively avoided, so that the deacidification and dewatering efficiency is improved.

A volumetric additive manufacturing (VAM) process for producing a solid object having a surface layer of a multifunctional material patterned thereon involves: contacting a surface of a solid base object with a liquid composition containing a photo-initiator and a multifunctional material covalently graftable to the surface of the solid base object; and, selectively irradiating the composition at the surface of the solid base object with patterned light, the irradiating being tomographic, to initiate covalent grafting of the multifunctional material to the surface of the solid base object to pattern only a portion of the surface of the solid base object with a layer of the multifunctional material grafted thereon, where the portion of the surface of the solid base object corresponds to the selectively irradiated surface of the solid base object.

The application relates to the technical field of big data and discloses a municipal road construction method and system based on BIM. The method and system collect basic data through big data technology and laser scanning and other means, form a database, eliminate information islands, reduce misunderstandings and delays caused by information asymmetry, and secondly, through the establishment of a complete city BIM model, collision detection of underground pipelines and road structures is realized, the safety hazards and economic losses in construction are reduced, meanwhile, virtual simulation technology enables each link of the construction process to be preplayed, the construction sequence and resource allocation are optimized, finally, through real-time data comparison and dynamic adjustment, the deviation in the construction process can be found and corrected in time, so that the construction quality and progress are ensured, a series of measures not only improve the overall efficiency of construction, but also lay a solid foundation for subsequent road operation and management, and promote the transformation of the construction industry to digitization and intelligentization.

The utility model discloses spiral steel pipe machining cutting equipment with a protection structure, and belongs to the technical field of spiral steel pipe cutting. A first electric push rod and a second electric push rod are installed at the upper end of a supporting table, and the telescopic end of the first electric push rod and the telescopic end of the second electric push rod are connected with a first abutting seat; the first abutting base is installed on the supporting table through a sliding rail, and a second abutting base matched with the first abutting base is installed on the supporting table. And through telescopic movement of the electric push rod, the first abutting seat moves along the sliding rail, the first abutting seat and the second abutting seat form a clamping cavity, and spiral steel pipes with different diameters are stably clamped. And the anti-skid rubber gasket increases friction force, stable clamping is ensured, and a solid foundation is provided for cutting operation. The sleeving piece, the protection straight strip and the protection arc-shaped plate are connected through the height adjusting screw rod and the distance adjusting screw rod to form an adjustable protection structure. According to the structure, the spiral steel pipe is effectively prevented from tilting or bursting out during machining, safety is improved, impact force is absorbed through the buffer strips, and the steel pipe is protected against damage.

The invention discloses a waterproof structure. The waterproof structure comprises a first concrete structure and a second concrete structure, a second concrete structure; the water stop component comprises a water stop belt, the water stop belt is arranged at the position of a construction joint between the first concrete structure and the second concrete structure, and the water stop belt is made of rigid materials and is formed by splicing a plurality of sections. According to the technical scheme, the water stop belt adopted by the waterproof structure is made of the rigid material and is stable in self shape, in the concrete pouring and vibrating process, the lateral pressure and construction load of fluid concrete can be effectively resisted, and the situation that a traditional rubber water stop belt is prone to bending or collapsing and other non-elastic deformation due to stress is avoided. Meanwhile, the water stop belt is designed to be of a multi-section splicing structure, the size and weight of a single component are reduced, deformation caused by self weight is overcome, meanwhile, each splicing unit can be independently and accurately positioned and fixed, and a solid foundation is laid for the reliability of the waterproof structure.

The utility model discloses an installation structure of a fire hydrant cabinet, and particularly relates to the technical field of fire fighting devices, the installation structure comprises a fixing plate and a fire hydrant cabinet body, the fire hydrant cabinet body is fixedly installed at the top end of the fixing plate, a connecting seat is fixedly installed at the back end of the fire hydrant cabinet body, and a pushing assembly is fixedly installed in the middle of the top end of the connecting seat. A suction cup assembly is arranged on the pushing assembly in a sliding mode. According to the installation structure of the fire hydrant cabinet, the fire hydrant cabinet body can be adsorbed to the outer surface of a building through negative pressure by arranging the suction cup assembly, damage to the building in the installation process of the fire hydrant cabinet body is avoided, the structural integrity of the building is protected, the follow-up maintenance process is simplified, and the installation efficiency is improved. The fire hydrant cabinet body can be adhered to the outer surface of a building by arranging the gluing assembly, so that the stability of the fire hydrant cabinet body is enhanced, and a solid foundation is laid for subsequent long-term use and replacement work.

The invention belongs to the technical field of highway asphalt concrete pavement quality sampling detection, and discloses a highway asphalt concrete pavement quality sampling detection method. The method comprises the following specific steps: S1, sampling position selection and field detection; s2, preparing a sampling tool and equipment; s3, cleaning a sampling area; s4, drilling a pavement sample; s5, extracting and packaging a sample; s6, transporting and storing the sample; and S7, laboratory detection and analysis. The highway asphalt concrete pavement quality sampling detection method has remarkable advantages, data is accumulated by means of the laser range finder, accurate sample drilling can be assisted, a sampling plan can be scientifically formulated, human errors are reduced, the working efficiency is improved, the extraction and packaging link pays attention to sample protection, the integrity and original characteristics of the sample are ensured, and the method is suitable for large-scale popularization and application. In the transportation process, shock absorption, moisture prevention and stability are achieved, it is guaranteed that samples are stable, and a solid foundation is provided for follow-up laboratory detection and pavement quality evaluation.

The invention discloses a method for judging the foaming effect of a foaming agent on a gypsum plaster board, which comprises the following steps of: calibrating a cross section image of a core material of the gypsum plaster board and an actual size, extracting a foam hole outline in the image, and obtaining the pore diameter of a foam hole through the foam hole outline; the method comprises the following steps of: acquiring a cell aperture, acquiring a maximum value of the cell aperture, an average value of the cell aperture and a standard deviation of the cell aperture based on the cell aperture, calculating cell area, calculating cell porosity according to the cell area and a solid base area in an image so as to screen out overlarge cells and effective cells, and further solving an overlarge cell ratio and an effective cell ratio; calculating the circularity of the cells according to the cell contours to obtain round cells and communicated cells, and further obtaining the rate of the round cells and the rate of the communicated cells; and comparing the maximum value of the cell diameter, the average value of the cell diameter, the standard deviation of the cell diameter, the cell porosity, the oversize cell ratio, the effective cell ratio, the round cell ratio and the communicated cell ratio with set standard parameters respectively, and receiving parameters in a standard range.

The automatic chute device comprises a material storage box body which is used for temporarily storing concrete and provided with an opening in the upper end, and the section of the bottom of the material storage box body is in a big-end-up triangle or trapezoid shape; a homogenizing mechanism used for flattening concrete is installed at the bottom of the storage box body in the length direction of the storage box body, a plurality of feeding openings used for conveying the concrete to a groove body of the diaphragm wall are formed in the bottom of the storage box body at intervals, and any feeding opening is provided with an adjusting mechanism used for controlling the opening and closing degree of the feeding opening. And concrete is continuously stirred and spread through the homogenizing mechanism in the automatic chute device, so that aggregate accumulation and segregation are effectively prevented. And in combination with a feeding port adjusting mechanism based on feedback of a flow sensor, accurate and independent control over the concrete supply flow of a plurality of feeding ports can be achieved, it is ensured that concrete is supplied to all point positions in the slotted hole in a balanced mode, and a solid foundation is laid for synchronous rising of the liquid level.

The utility model discloses a fragmentation treatment system for dried soil in a river channel, which comprises a fragmentation device, the fragmentation device comprises an outer cylinder and an inner cylinder, the outer cylinder is fixedly mounted, the top of the outer cylinder is provided with a feeding port, a feeding machine is mounted on the side of the fragmentation device, the output end of the feeding machine extends to the upper part of the feeding port, a solid seat is fixedly mounted in the outer cylinder, and the solid seat is fixedly mounted on the inner side of the outer cylinder. The inner cylinder body is installed in the outer cylinder body, the solid base and the inner cylinder body are installed in an up-down corresponding mode, a fragmentation channel is formed between the solid base and the inner cylinder body, the feeding port is communicated with the fragmentation channel, an outlet of the fragmentation channel is formed in the outer wall of the outer cylinder body, and a crushed soil recycling device is installed on the periphery of the outer cylinder body. The blocky riverway dried soil can be effectively ground and output in the crushing device, the output crushed soil is automatically recycled through the crushed soil recycling device, and the device can meet the requirements of enterprises for efficient and automatic production.

The invention relates to the field of road engineering, and particularly discloses a cement treatment red soil aggregate site road mixing construction method which comprises the following steps: S1, pretreatment and interface activation: cleaning, leveling and compacting a red soil aggregate original site; before the red soil aggregates are paved, chiseling treatment is conducted on the surface of the compacted working face through high-pressure water jet equipment, a rough interface is formed, and atomized water is synchronously sprayed for pre-wetting; according to the invention, through the processes of high-pressure water jet interface activation, electrostatic adsorption cement spreading, stepped intelligent mixing and the like, the bonding uniformity and bonding strength of the cement and the red soil granules are greatly improved, the phenomena of material segregation and dust raising are effectively inhibited, and a solid foundation is laid for forming a uniform and stable base layer structure; through accurate regulation and control of water content and process control means of aging, directional energy rolling and the like, water in the mixture is fully migrated, and compaction energy is efficiently transmitted.

The invention discloses a method and system for generating an entity model through a foundation pit slope two-dimensional drawing, and the method comprises the steps: obtaining the foundation pit slope two-dimensional drawing, and carrying out the preprocessing of the foundation pit slope two-dimensional drawing, and obtaining the drawing information; site cutting is carried out according to the drawing information to obtain a surface domain set, wherein the surface domain set comprises a slope bottom surface domain and a slope releasing surface domain; according to the slope bottom surface domain and the slope surface domain, a slope surface adjacent to each slope bottom surface is determined, and the elevation value of each slope bottom surface and the slope gradient value of the edge of each slope bottom surface are obtained; and generating a foundation pit entity based on the elevation values of all the slope bottom surfaces and the slope gradient values. According to the method, after the foundation pit slope two-dimensional drawing is preprocessed, gradient calculation is carried out according to the area cut by the site, so that the foundation pit entity is generated based on the elevation values of all the slope bottom surfaces and the sloping gradient values, manual calculation of designers is not needed, the complexity is reduced, the time is shortened, and the calculation precision is improved.

The application provides a deep shaft full-face tunneling machine upper slag discharging system, which comprises a first bucket elevator slag discharging unit, an underground loading unit, a second elevator slag discharging unit, an upper unloading unit and a control unit. The first bucket elevator slag discharging unit comprises a tunneling machine and a bucket elevator; the bucket elevator discharges rock slag to the underground loading unit. The underground loading unit comprises a buffer bin and a quantitative bin; the buffer bin receives rock slag, and the quantitative bin loads the rock slag to the second elevator slag discharging unit. The second elevator slag discharging unit comprises a skip and an elevator; the skip receives rock slag, and the elevator is lifted to the well mouth. The upper unloading unit comprises an external power opening and closing device and the like; the rock slag is unloaded to a pit through the external power opening and closing device and an unloading chute, and is loaded into a vehicle through a loader. The application also provides a method for discharging rock slag upward in a shaft by using the system. The application adopts a two-stage lifting full-automatic continuous slag discharging mode, can realize efficient continuous operation, and lays a solid foundation for intelligent and efficient well construction.

The invention provides a feeding device for asphalt production, and belongs to the technical field of asphalt production, the feeding device comprises a body, a side shell is arranged on one side of the body, a hopper and a spiral conveyor are assembled in the side shell, a material dispersing assembly for dispersing materials is arranged in the hopper, an upper shell is arranged above the side shell, and the spiral conveyor is arranged above the upper shell. A sliding rail is arranged on the inner side of the upper shell, and a lifting assembly used for driving the sliding rail to move up and down in the vertical direction is arranged on the upper shell. A mounting frame is slidably assembled on the sliding rail, and a displacement assembly is further arranged on the sliding rail and used for driving the mounting frame to move in the axis direction of the sliding rail. On one hand, the convenience and labor-saving performance of operation are improved, the manual operation intensity is reduced, and the occupational health of operators is guaranteed; on the other hand, a solid foundation is laid for subsequent production procedures, it is ensured that the material feeding link is continuously and orderly carried out, and production interruption is avoided.