39results about How to "Construction stability" patented technology

The utility model provides an ecological water purification system for resource utilization of village domestic sewage and belongs to the technical field of sewage treatment. Comprising a black water digestion tank, an adjusting slag separation tank and a biological-ecological combined water purification device which are connected in sequence. The ecological purification system disclosed by the utility model is low in operation technical requirement, simple and convenient to construct and suitable for village domestic sewage treatment.

The invention discloses a construction method for a steel-concrete composite beam of a continuous beam of a business line, and relates to the field of bridge construction. Comprising nine operation steps of temporary consolidation and support construction, No.0 block construction, hanging basket cantilever casting construction, side span cast-in-place section construction, steel-concrete mixed section construction, swivel construction, side span closure and system conversion, steel-concrete composite beam construction and bridge deck system construction, and construction operation of the continuous beam steel-concrete composite beam of the business line is completed. According to the construction method, the construction mode that suspension grouting construction is conducted firstly, then rotation construction is conducted, and finally middle-span middle-span steel beam pushing is conducted is adopted, one-time large-span and long-distance stable construction of the steel-concrete continuous beam is achieved in the parallel business line state, and meanwhile the construction period is effectively shortened.

The utility model discloses a pier column cylinder construction platform which comprises two cylinder construction platform bodies connected through first bolts and first nuts, a bracket is arranged at the bottoms of the cylinder construction platform bodies, a plurality of fixed pedals are welded to the top of the bracket, and a plurality of buckle plate connecting plates are arranged on the inner side of the bracket. The buckle plate connecting plate is provided with a buckle plate sliding block through a second bolt and a second nut, the buckle plate sliding block is provided with a long-strip-shaped sliding groove which is used for installation of the second bolt and extends in the inside-outside direction, and a plurality of protective nets are connected to the outer side of the top of the bracket in an inserted mode. The cylindrical construction platform is simple in structure, simple in construction, convenient to hoist, simple in operation process, stable in structure, high in overall rigidity, good in safety, good in stability, high in wind resistance capacity, capable of eliminating potential safety hazards and high in practicability, and installation of two cylindrical construction platforms can be completed by connecting the bolts and the nuts at a time. The clamping buckle plate sliding block abuts against the steel formwork to fix the cylindrical construction platform, simpleness and rapidness are achieved, and the construction efficiency is improved.

The utility model discloses an ecological slope protection device for mountain protection, which comprises a hillside body, a slope protection assembly is arranged above the hillside body, the slope protection assembly comprises a fixing frame, a fixing drill rod and a fixing assembly, the bottom of the fixing frame is fixedly connected with the fixing drill rod, and the fixing assembly is arranged in the fixing frame. By means of the structure, the large-area fixing frame is fixed to the surface of the hillside body through the fixing drill rods, the fixing frame and the hillside body are fixed in a large-area mode, then the small-area fixing rings are arranged in the fixing frame, the vegetation net is arranged in the fixing rings, small fixed slope vegetation can be conveniently planted, the fixing rings are connected with the fixing frame in a clamped mode, and the adjacent fixing rings are also connected in a clamped mode. The slope body is fixed stably, construction is convenient, the work amount is greatly reduced, the inside and the outside are matched with each other, the structure is stable, and good protection force is also achieved for mountains with soft soil.

The utility model discloses a hole-forming and ash-filling integrated machine for lime pile construction, which comprises a crawler-type chassis used for walking on the ground, and a cab is arranged at the front end of the crawler-type chassis; the lime hopper is arranged on the crawler-type chassis and located behind the cab; the discharging opening is formed in the lower end of the lime hopper, the opening end of the discharging opening faces and is provided with a lime discharging nozzle, and an electromagnetic valve is arranged in the lime discharging nozzle; the suspension is horizontally arranged at the front end of the crawler-type chassis; the pore-forming pile pipe is vertically connected to the front end of the suspension in a sliding manner; and the vertical hydraulic cylinder is arranged on the suspension frame and used for controlling the hole-forming pile pipe to vertically slide. By arranging the construction machine integrating hole forming and ash filling, continuous hole forming and ash filling of the lime pile can be achieved, the construction technology is more continuous, the construction efficiency is improved, meanwhile, stable vertical movement of a hole forming pile pipe can be guaranteed, the hole forming quality is guaranteed, and the construction efficiency is improved. The method is used for achieving efficient, high-quality and full-mechanical construction of a large number of rows of lime piles.

The invention relates to the field of building construction technologies, in particular to a construction process of a composite non-dismantling heat-preservation integrated board, which comprises the following steps: S1, hoisting preparation: arranging and cutting the heat-preservation integrated board according to construction requirements; s2, the heat preservation integrated plate is installed, specifically, the connecting assembly is connected with the building structure according to the construction requirement, and the connecting assembly is connected with the heat preservation integrated plate; s3, formwork supporting and reinforcing are conducted, specifically, vertical secondary keels on the inner side and the outer side of the outer wall are installed, horizontal main keels are transversely installed, and then formworks on the inner side and the outer side are reinforced; s4, concrete pouring is conducted, specifically, concrete pouring is conducted after all the formwork mounting and reinforcing steps are completed, and the formworks are removed after concrete is fully solidified; and S5, follow-up reinforcement is conducted, specifically, necessary reinforcement treatment is conducted on the poured structure, and an all-steel climbing frame support protection base plate and an all-steel climbing frame support are installed. On the premise that the stable heat preservation effect and construction safety are guaranteed, the effect of efficient construction of the composite disassembly-free heat preservation integrated plate is achieved.

The invention provides a method for detecting the anti-cracking performance of water-based automobile inner plate surface paint and application of the water-based automobile inner plate surface paint. The detection method comprises the following steps: S1, taking a to-be-tested plate, measuring the mass of the test plate, recording the mass as m1, and pasting an adhesive tape on the peripheral edge of the test plate; s2, spraying to-be-detected water-based automobile inner plate surface paint on the surface of the test plate to a target film thickness; s3, after spraying is completed, natural leveling is conducted, and then the to-be-detected water-based automobile inner plate face paint is preheated and subjected to flash drying; s4, after flash drying is finished, the adhesive tape on the test plate is torn off, and the mass of the test plate is measured and recorded as m2; and S5, drying the test panel, measuring the mass of the test panel after drying, recording the mass as m3, and calculating the flash-dry solid NV of the water-based automobile inner panel finish paint to be measured by adopting a formula # imgabs0 #.

The present invention provides a digital twin perception and identification system for formation disasters, which belongs to the field of formation analysis technology, and includes: drilling multiple main pipes at the center of a calibrated area, and drilling multiple secondary pipes at a certain distance from the main pipes. The information related to the transmitter and the receiver is fed back to the host computer in real time, and the specific position and range of the formation defect area are inferred by changing the position and angle of the transmitter and the receiver, and the defect area is reinforced on the ground. The gas replacement and material data transmission are achieved through the main pipe and the secondary pipe; when an accident occurs, the transmitter is taken out of the main pipe and personnel rescue is carried out. The digital twin perception and identification system for formation disasters provided by the present invention can conduct a relatively comprehensive detection of the formation, realize the gas replacement and material data transmission, improve the integration level of the entire system, improve the safety of construction, and ensure the stable progress of construction.

The utility model relates to the technical field of building tools, in particular to a reusable lining tool for a secondary structure reverse ridge, which comprises a connecting plate, a handle and a lining, the handle is fixedly connected to the top of the connecting plate, movable openings are formed in the surfaces of the two ends of the connecting plate in a penetrating manner, and movable blocks are adaptively and slidably connected to the interiors of the movable openings; moving plates are fixedly connected to the bottoms of the moving blocks, bottom plates are slidably arranged on the opposite sides of the two moving plates, inserting columns are fixedly connected to the tops of the bottom plates, drill holes are formed in the positions, opposite to the inserting columns, of the lining, and the inserting columns are matched with the drill holes formed in the lining in an inserted mode. According to the reusable lining tool for the secondary structure reverse ridge, the lining is directly placed on the top of the reverse ridge formwork to prevent inclination, concrete can be poured after the reverse ridge formwork is reinforced, the tool can be dismantled after the concrete is poured and initially set, and the tool can be manufactured by selecting waste angle steel on a construction site. The design structure is simple and practical, manufacturing is convenient, turnover performance is high, and economical efficiency is good.

The invention relates to the technical field of road construction engineering equipment, in particular to road surface anti-skid grain extrusion equipment for road construction, and solves the problem that existing embossing equipment is poor in embossing effect. The road surface anti-skid grain extrusion equipment comprises an embossing roller and a bearing part, the bearing part is provided with a bearing support, and the embossing roller comprises a roller body of a hollow structure and a roller shaft; a plurality of embossing plates for forming lines are uniformly arranged on the outer surface of the roller body, and the two ends of the roller shaft are rotatably arranged on the bearing bracket; the two ends of the embossing roller are provided with driven downward pressing mechanisms, each driven downward pressing mechanism comprises a fixed downward pressing rod and a plurality of guide protruding blocks arranged at the two axial ends of the roller body, the lower end of each downward pressing rod is provided with a rolling wheel, and the guide protruding blocks are located at the two ends of each embossing plate; a shock absorber is arranged between the roller shaft and the bearing bracket; when the embossing roller rotates, the rolling wheels on the lower pressing rod make contact with the guide protruding blocks in an intermittent mode so as to exert lower pressing force on the roller body.

The invention provides a construction method of a platform device special for deepwater underwater grouting, and belongs to the technical field of hydraulic engineering leakage treatment, and the construction method comprises the following steps: 1) constructing a buoyancy structure size calculation model considering surge height; 2) constructing a logarithm calculation model of the cable for resisting the 8-level wind load; 3) determining the number n of required closed hollow boxes, the width b of a single closed hollow box, the length l of the single closed hollow box, the height h of the single closed hollow box and the logarithm m of cables according to the buoyancy structure size calculation model and the logarithm calculation model of the 8-level wind load resistant cables; (4) according to the structural size and the number of the closed hollow boxes and the number of the cable pairs determined in the step (3), the multiple closed hollow boxes are connected into a whole through a connecting and supporting structure; and the floating body structure is fixed on a peripheral fixed object by using a mooring rope. The platform device constructed by the method can provide a construction platform for equipment and materials such as a drilling machine and grouting, diving of frogmen and operation of workers, can adapt to reservoir water level change and 8-level storm working environments, realizes all-weather 24-hour overwater operation construction of underwater grouting, and enables underwater large-scale drilling and grouting in front of a dam in a reservoir, such as ground leveling.

The invention discloses a 5G-based distribution network hot-line work robot centralized control platform, which comprises a centralized control platform, the upper end of the centralized control platform is provided with a lifting mechanism for lifting a person of a work machine, and the upper end of the lifting mechanism is provided with an operation mechanism for distribution network hot-line work. And a power mechanism for moving the whole device is arranged at the lower end of the lifting mechanism. The device is good in using effect, multiple operation tools can be installed at a time by adding the expansion mechanism, switching can be conducted at will according to needs in the working process, in this way, it is not needed to lower the device every time and manually replace different tools for construction, and therefore the using effect of the device can be improved.

This invention relates to a construction platform frame for uneven ground, comprising a support mechanism, a moving mechanism, and a lifting mechanism. A support mechanism is installed at each of the four corners of the bottom of the moving mechanism, and a lifting mechanism is installed at the top of the moving mechanism. A construction platform is fixedly installed on the top of the lifting mechanism. Each support mechanism includes a drive motor. A drive motor is vertically installed at the center of the bottom of the moving mechanism. Four guide frames are fixedly installed around the drive motor at the bottom of the moving mechanism. A threaded extension support plate is slidably installed within each guide frame. A bevel gear is installed on the output end of the drive motor. Four bevel gear screws are circumferentially meshed around the outer side of the bevel gear. One end of each bevel gear screw is threadedly connected to the threaded extension support plate, and one end of the threaded extension support plate is threadedly connected to an adjusting screw. This invention solves the problem of insufficient stability of existing construction platforms on uneven ground and the safety risks associated with height adjustment of the lifting mechanism.

The invention relates to a construction method of a weak surrounding rock vertical shaft pilot shaft and a concrete retaining wall structure. Relates to the technical field of building construction, and the method comprises the following steps: firstly, drilling a first vertical shaft guide hole by using a directional drilling machine, and performing first reverse drawing well completion by using a raise boring machine to form a first guide shaft; then, micro-expansion self-compacting concrete is adopted for backfilling, and a concrete column structure is formed; then, the directional drilling machine conducts second guide hole construction in the center of the first guide well backfill concrete, and it is ensured that a second guide hole and the first guide hole are concentric; and finally, the raise boring machine is used for conducting second-time reverse drawing well forming, a second pilot well is formed, and therefore the concrete retaining wall structure with the excellent supporting force is formed through two times of pilot well forming. The construction method effectively improves the pilot shaft construction precision, stability and safety, is suitable for complex geological conditions such as weak surrounding rock and has high construction efficiency and economic benefits.

The utility model discloses a simple mark marking tool which comprises a rectangular positioning frame, the left end and the right end of the lower side of the rectangular positioning frame are connected with angle steel side frames in a sliding mode in the vertical direction, and elastic reset mechanisms are arranged between the front end and the rear end of each angle steel side frame and the rectangular positioning frame. The sides, away from the rectangular positioning frame, of the angle steel side frames are fixedly connected with connecting plates, and a U-shaped frame is movably connected between the left connecting plate and the right connecting plate. The tool can move through rolling of the moving wheels, so that the moving convenience of the tool is guaranteed, the physical strength of constructors can be saved, and the construction efficiency is improved; when moving, the rectangular positioning frame can be lifted up to leave the ground through the elastic reset mechanism so as to ensure the smoothness of moving, and when moving to a set position, the rectangular positioning frame can be pressed down to be in contact with the ground through the cooperation of the gravity of the U-shaped frame and the handle rod and the pressing mechanism, so that the accuracy of marking work and the construction quality are ensured.

The invention discloses a large-scale multi-layer roof pipe truss construction method, which relates to the technical field of pipe truss construction, and comprises the following steps: step 1, dividing a construction area; step 2, mounting a scaffold; 3, a bottom layer roof pipe truss is installed, and the installed bottom layer roof pipe truss is fixed to the construction frame; 4, the pipe truss of the upper layer of roof is hoisted; 5, the position of the construction frame is adjusted again, the installed roof pipe truss on the upper layer is fixed to the construction frame, then the roof pipe truss on the upper layer is hoisted to the installation platform, and the roof pipe truss on the upper layer is installed; and 6, the step 5 is repeated till construction and installation of all layers of roof pipe trusses are completed. According to the construction method, the adverse effect of vibration generated in the hoisting process of a traditional construction method on the pipe truss structure is avoided, and the construction quality and the structural stability are improved.

The invention discloses a large-span cantilever beam structure and a construction process, belonging to the technical field of building construction. The invention divides a steel cantilever beam into several sections, which are then installed by hoisting and auxiliary support, and the sections are mainly divided into longitudinal sections and supplemented by transverse sections, so that the influence of the steel cantilever beam on the stress of the structure is minimized. By adopting this segmentation form, on the one hand, the requirements of hoisting performance can be met, and on the other hand, the lower structure can be partially used as a temporary support basis to achieve the purpose of stable construction.

The invention provides a plate material, a joined body formed by joining a plate material to a plate material on the joined side, a method for joining the plate material, and a method for manufacturing the plate material, wherein the output range of laser light for welding can be widened, and stable welding construction can be performed; the joined body is formed by joining the plate material to the plate material on the joined side. A sheet material which is laser-welded by overlapping with a member on the side to be joined that is composed of copper or a copper alloy, and which is composed of copper or a copper alloy, the sheet material having a roughened surface in at least a portion thereof, the roughened surface having an arithmetic average roughness (Ra) of 4 [mu] m or more and a maximum height roughness (Rz) of 20 [mu] m or more.

The utility model relates to the technical field of metal roofs, in particular to a waterproof metal roof structure which comprises a perforated profiled steel bottom plate, a glass wool sound absorption layer arranged on the surface of the perforated profiled steel bottom plate, a vapor barrier layer arranged on the surface of the glass wool sound absorption layer, and a rock wool heat preservation layer arranged on the surface of the vapor barrier layer. The TPO waterproof coiled material is arranged on the surface of the rock wool heat preservation layer, the metal support is installed on the surface of the TPO waterproof coiled material, the metal roof board is installed on the surface of the metal support, and the n-shaped lining purlins are arranged on one side of the rock wool heat preservation layer, and the number of the n-shaped lining purlins is two. The service life of the waterproof material on a building is prolonged, the waterproof material is not prone to failure in long-term use, the good waterproof function is kept all the time, the damage risk caused by temperature change and aging is reduced, and the structural safety of the building is guaranteed.

The invention discloses an expressway guardrail plate rapid replacement device and a using method, and relates to the field of guardrail plate replacement. The expressway guardrail plate rapid replacement device comprises a vehicle body, and a hoisting assembly is installed on the vehicle body; a clamping mechanism is rotatably connected to the bottom of the lifting frame and comprises a clamping plate seat, a first clamping plate and a second clamping plate, control cavities are formed in the inner sides of the first clamping plate and the second clamping plate, fixing mechanisms are arranged on the inner sides of the control cavities, and each fixing mechanism comprises a limiting plate, a first spring and a push block; a storage box is arranged at the end of the movable arm, a movable plate is slidably connected to the inner side of the storage box, suction cup mechanisms distributed in an array mode are arranged on the movable plate, a storage frame is arranged on the outer side of the second clamping plate, and a supporting mechanism is arranged on the inner side of the storage frame. According to the rapid replacement device for the highway guardrail plates and the using method, the multiple guardrail plates can be hoisted in groups and are sequentially installed along a construction route, and the replacement efficiency of the guardrail plates is effectively improved.

The invention provides a constructional column top joint bar device and a construction method. The constructional column top joint bar device comprises two beam bottom formworks, two beam side plates installed on the two beam bottom formworks, a movable cover die arranged between the two beam bottom formworks and two steel formworks with one ends movably inserted into the movable cover die in a sliding mode. The two double-faced adhesive tapes are arranged between the two steel formworks and the two beam side plates, the inserting holes are symmetrically formed in the two steel formworks respectively, the reinforcing steel bar fastening assemblies are symmetrically fixed to the bottoms of the two steel formworks respectively and correspond to the inserting holes in a one-to-one mode, and the reinforcing steel bar fastening assemblies are connected with the two beam side plates. According to the constructional column top steel bar inserting device and the construction method, through mutual cooperation of the arranged steel bar fastening assembly, the telescopic fixing piece and the adjusting assembly, constructional column steel bars of various specifications are achieved, positioning is accurate, slurry leakage caused by pre-burying of the constructional column top steel bars is reduced, dismounting is convenient and easy, and the construction efficiency is improved. And the template damage caused by the top joint bar is avoided.

Provided is an adjustable steel arch rib construction operation method and platform, comprising the following steps: installing a mounting base on a steel arch rib segment - adjusting and fixing the leg position - hoisting and connecting the steel arch rib segment - adjusting the pedal - construction workers standing on the pedal for construction. The inclination adjustment unit of the present invention adjusts the fulcrum height to adaptively adjust the inclination of the fulcrum of the operating platform as the inclination of the arch rib of the secondary parabola of the arch axis changes; the pedal in the pedal adjustment unit can be manually moved up and down along a vertical slide to adjust the height of the pedal; the operating platform is assembled by bolt connection, which is convenient for installation and disassembly, can greatly improve production efficiency, and reduce the occupation of hoisting equipment during the hanging process of the operating platform; the present invention has a simple structure, is easy to make, uses less materials, and is economical, safe, practical, and efficient.

The invention relates to the technical field of soft soil treatment, and discloses a curing agent for coastal soft soil and a manufacturing process of the curing agent. The process comprises the following steps: carrying out coarse and fine grading pretreatment on the furnace bottom slag, carrying out acid activation treatment on the zeolite powder, carrying out surface modification treatment on the basalt fiber, preparing a component A delayed coagulation curing agent, preparing a component B coagulation accelerating curing agent, and compounding the two components in proportion for use. The curing speed can be adjusted within 15-90 minutes by compounding the component A and the component B according to different mass proportions, and a double-phase structure of a rigid framework and a gelling matrix is formed by the surface modified basalt fibers and graded furnace bottom slag coarse particles. The rheological property of slurry is adjusted through selective ion adsorption of acid activated zeolite powder and molecular chain extension of hydroxypropyl methyl cellulose, and the technical problems that a coastal soft soil curing agent is large in brittleness, poor in construction adaptability, non-adjustable in curing speed and low in synergistic utilization rate of various solid wastes are solved.

The invention discloses an efficiently adjusted and assembled piling machine chassis and an adjusting and assembling method thereof. The efficiently adjusted and assembled piling machine chassis comprises a chassis frame, a walking mechanism and a piling machine connecting mechanism, and the walking mechanism is movably connected with the chassis frame through an adjusting mechanism; the chassis frame is provided with a power device which is used for driving the piling machine connecting mechanism and a reserved connecting structure of a piling machine body to be relatively inserted, limited, pressed and fixed; the power device is in transmission connection with the adjusting mechanism through a transmission structure, the deeper the power device drives the insertion positioning structure to be inserted, the larger the degree that the transmission structure drives the adjusting mechanism to adjust the walking mechanism to be in a completely horizontal supporting state is, and the ground clearance of the chassis frame is kept unchanged. On the basis that the moving efficiency of the piling machine is improved, the assembling efficiency of the piling machine chassis and the piling machine body is improved, and the flexibility and high efficiency of frequent construction position changing of the piling machine are achieved.

A formwork adjusting device for sizing block construction is characterized in that four formworks form a formwork set of a trapezoidal table structure, an adjusting base is installed on the formwork set, a cross beam is adjusted in the two perpendicular directions relative to the formwork set, an adjusting rod base is adjusted in the two perpendicular directions relative to the cross beam, and an elevation adjusting rod is installed on the adjusting rod base and conducts vertical adjustment; therefore, the bottom of the elevation adjusting rod and the cushion blocks in the template group are adjusted in all directions. And after the adjustment is completed, grouting materials are poured from the grouting openings in the template group. The template adjusting device for sizing block construction is convenient to operate, high in structural strength, stable in construction and capable of adjusting the position of the cushion block more comprehensively and accurately, and therefore adjusting precision and construction quality are improved.

The invention discloses an anti-unbalance loading structure of a starting well or a receiving well of a heading machine in the technical field of heading machine construction, which comprises the starting well or the receiving well, a retaining wall is arranged on the to-be-constructed side of the starting well or the receiving well, the retaining wall is connected with a supporting structure, a bottom plate is arranged on the side, connected with the supporting structure, of the retaining wall, and the bottom plate is connected with the receiving well. An engineering structural member is arranged at the upper end of the bottom plate, and the bottom plate and the engineering structural member are both connected to the supporting structure; the corresponding positions are fixed through the bottom plate, the engineering structural part, the inclined strut, the first vertical supporting part and the second vertical supporting part, and a stable unbalance loading resisting structure is formed. By arranging the reinforcing connecting piece, the first waterproof reinforcing piece and the second waterproof reinforcing piece, the connecting stability and the waterproof performance of the whole structure can be guaranteed.

The application discloses a main bridge steel structure construction method and relates to the technical field of bridge construction. The specific steps comprise the following steps: dividing regions, installing baffle plates and pier columns, installing steel pipe piles and platform support columns, installing inter-column supports and sliding beams to form sliding tracks, repeatedly constructing the south bank, completing platform support covering a river, installing lower chord rods and lower bridge decks, installing upper chord rods and upper bridge decks, installing upper-layer cantilevers and lower-layer cantilevers, assembling sliding units, repeatedly assembling sliding units until closure, hoisting the last sliding unit and completing installation of the main bridge steel structure. The construction method can reduce operation risks, shorten construction period, save materials and reduce costs.