182results about How to "Meet construction needs" patented technology

The invention relates to the related technical field of fabricated building outer walls, and discloses a severe cold area fabricated building outer wall based on a thermoelectric power generation technology, which comprises a fabricated wall body module, a thermoelectric power generation module, a heat collection structure module, a circuit connection module, an energy management module and a data monitoring module, the fabricated wall body module is a solid prefabricated concrete shear wall composed of an inner leaf wall plate, a heat preservation layer and an outer leaf wall plate, the heat collection structure module is fixedly installed on the outer wall of the fabricated wall body module, and the heat collection structure module comprises a heat absorption plate, a glass cover plate and a shell; according to the core component, the nickel-chromium alloy and the constantan alloy which are high in stability are directly welded for power generation, other technologies do not need to be combined, the core component can be directly applied to the building field, and under the condition that the power generation efficiency is guaranteed, the construction requirement of the building field is met as much as possible; and a brand new thought is developed for the energy-saving design of the fabricated building wall.

The invention provides a structure capable of controlling a large-volume water gate crack and a construction method thereof, and belongs to the technical field of water gates. The structure comprises a gate bottom plate and a gate pier which are formed by pouring concrete, and the gate pier is arranged above the gate bottom plate; hole cavities are at least formed in the gate piers and reserved in the concrete pouring process. The hole cavity is used as a self-constrained stress hole; and the tough material is used for absorbing stress, is filled in the pore cavity and is connected with the inner wall of the pore cavity. The method comprises the steps of S1, construction preparation; s2, foundation treatment; s3, gate bottom plate construction; s4, gate pier construction: S41, construction lofting; s42, gate pier reinforcing steel bars are bound and installed; s43, a gate pier formwork is erected above the gate bottom plate; s44, a hole forming device is installed at the designed position; s45, concrete pouring, vibrating and curing are conducted; and S46, after initial setting of the concrete, the hole forming device is pulled out of the pipe, and a formed hole cavity is filled with a tough material. The sluice pier crack can be effectively controlled, and the use durability and safety of the sluice are improved.

The invention relates to a Cr-Mo-containing 5.5 Ni steel plate for an LNG (Liquefied Natural Gas) storage tank and a manufacturing method of the Cr-Mo-containing 5.5 Ni steel plate. The steel plate comprises the following chemical components in percentage by mass: 0.03-0.05% of C; 0.15% to 0.30% of Si; mn: 1.20% to 1.30%; p: < = 0.005%; s: < = 0.002%; al: greater than or equal to 0.020%; the content of Ni is 5.00 to 6.00 percent; 0.30% to 0.50% of Cr and Mo; h < = 1 ppm; 0.10% or less of As + Sb + Bi + Sn + Pb; and the balance of Fe and inevitable impurities. The invention relates to a 5.5 Ni steel plate for an LNG (Liquefied Natural Gas) storage tank, in particular to a steel plate for a pressure vessel with the thickness of 5-50mm and the temperature of minus 196 DEG C. A converter is used for production, and the delivery-state mechanical properties and process properties of the obtained steel plate meet the following requirements: the tensile strength Rm of transverse and longitudinal samples of the steel plate is 690-820 MPa, the yield strength Rel is greater than or equal to 590 MPa, and the elongation A is greater than or equal to 21%; at the temperature of-196 DEG C, the impact absorption energy KV8 of the transverse and longitudinal impact sample is greater than or equal to 100J; the sample is bent at normal temperature under the condition that D is equal to 2a and b is equal to 2a, the bending angle is 180 degrees, and no crack exists.

The invention relates to the field of concrete additives, in particular to a heat-resistant anti-freezing water-based permeable inorganic waterproof agent as well as a preparation method and application thereof. The invention discloses a heat-resistant and anti-freezing water-based permeable inorganic waterproof agent which is prepared from the following raw materials in parts by mass: 55-70 parts of active potassium silicate, 10-12 parts of Portland cement, 10-20 parts of modified silicon dioxide, 5-10 parts of a filling agent, 2-4 parts of a coupling agent, 0.5-1.5 parts of a catalyst, 3-8 parts of a dispersing agent, 1.5-3 parts of a stabilizer and 30-50 parts of deionized water. The inorganic waterproof agent prepared by the invention not only has excellent waterproof performance, but also can effectively improve the corrosion resistance, aging resistance, stability and the like of concrete at the same time, can meet the construction requirements of existing deep operation, has very excellent comprehensive performance, and has very excellent application prospects.

The invention discloses a high-rise building high-altitude large-span overhanging balcony overhanging type formwork supporting device which comprises a balcony body arranged on a first floor slab and a fixing beam arranged on a second floor slab, and the end of the fixing beam is fixedly connected with the second floor slab through a plurality of sets of first fastening bolts. A supporting beam is slidably connected to the fixing beam, a plurality of sets of scaffolds are fixed to the supporting beam, abutting plates are arranged at the tops of the scaffolds, and supporting formworks used for laying the balcony body are arranged on the abutting plates. Through the arrangement of the fixed beam and the supporting beam, the supporting beam can slide relative to the fixed beam, the length of the supporting beam is adjusted, when a wider balcony is constructed, the length of the supporting beam is increased, so that the supporting width is increased, the construction requirement of the wider balcony is met, and convenience and practicability are achieved.

The utility model discloses a foundation anti-collapse reinforcing structure which comprises a foundation base and a building wall above the foundation base, a reinforcing mechanism is arranged at the corner of the foundation base, the reinforcing mechanism comprises an upper reinforcing plate and a lower reinforcing plate, the upper reinforcing plate is embedded in the corner of the foundation base, the lower reinforcing plate is arranged under the upper reinforcing plate, and the building wall is arranged on the foundation base. A reinforcing rod penetrates through the upper reinforcing plate and the lower reinforcing plate, and a high-strength nut is arranged at the top end of the reinforcing rod; the foundation anti-collapse reinforcing structure can effectively avoid collapse of corners of the foundation during use, the stability of the reinforced foundation is higher, the construction requirement of a superstructure is met, and the foundation anti-collapse reinforcing structure is suitable for popularization and use.

The invention belongs to the technical field of bridge construction, and discloses a cable bent tower steel bar jig frame system which comprises a scaffold system and a stiff framework. The steel reinforcement framework comprises a plurality of steel reinforcement framework sections which are connected with one another in the vertical direction, and the scaffold system is provided with a plurality of scaffold sections which are connected with one another in the vertical direction; the stiff framework is provided with a plurality of stiff framework sections which are connected with one another in the vertical direction, a positioning plate is arranged at the bottom of each stiff framework section, and longitudinal bars of the steel reinforcement framework penetrate through the positioning plates in the vertical direction; the positioning plate comprises a plurality of first plates and a plurality of second plates, wherein the first plates and the second plates are detachably spliced with each other. The scaffold system is matched with the stiff framework, the steel reinforcement framework is built step by step, the steel reinforcement framework is integrally hoisted to the to-be-installed position after being built, direct construction at the to-be-installed position is not needed, and the aloft work amount is reduced; and the first plate and the second plate are matched, so that the shape of the positioning plate is adjustable, and the construction requirement of the variable cross-section cable bent tower is met.

The utility model discloses a distributed breeze power generation cone type steel frame construction operation special platform which comprises a platform frame body, and the platform frame body comprises a fixed pedal, a movable pedal and a supporting mechanism. The fixed pedal is in a square plate shape, an avoiding notch used for avoiding the power generation tower is formed in the center of the fixed pedal, and the avoiding notch is in a square shape. The number of the supporting mechanisms is four, the four supporting mechanisms are fixedly connected to the bottom ends of the four end corner positions of the fixed pedal correspondingly, the length direction of the supporting mechanisms is consistent with the length direction of the diagonal lines of the fixed pedal, and the supporting mechanisms can conduct telescopic extrusion action in the direction of the receding notch. The movable pedals are arranged between the adjacent supporting mechanisms and detachably connected with the adjacent supporting mechanisms. Standing construction operation of different outer diameter areas of the power generation tower can be achieved only through one platform frame body structure, time and labor are saved, and meanwhile the installation and construction efficiency of the power generation tower is improved.

The invention discloses a limited micro-space multifunctional piling machine, and belongs to the technical field of piling machines. The limited micro-space multifunctional pile machine comprises a main machine assembly, a drilling rig assembly, a power head assembly, a multi-channel telescopic drill rod and a process drill bit, and the power head assembly comprises a box body, a telescopic driving hydraulic motor, a drill rod driving hydraulic motor, a multi-channel flow divider, a drill rod rotating joint and a screw driving joint, and the telescopic driving hydraulic motor, the drill rod driving hydraulic motor, the multi-channel flow divider, the drill rod rotating joint and the screw driving joint are installed on the box body. The multi-channel telescopic drill rod is controlled to rotate and stretch through the dual-drive power head, so that the overall height of the pile machine can be effectively reduced, low-clearance pile foundation construction can be achieved, multiple fluid channels are constructed in the multi-channel telescopic drill rod, the telescopic drill rod can be matched with drill bits of various technologies, and the construction efficiency is improved. Various pile foundation construction technologies are completed on one pile machine, and the blank of a multifunctional pile machine is filled. In addition, due to the design that the multi-channel shunting power head is matched with the multi-channel telescopic drill rod, rod connecting operation can be reduced or not needed, construction complexity is reduced, and construction efficiency is improved.

The invention discloses a reinforcing steel bar component supporting device which comprises a base, a supporting sleeve arranged on the base and a supporting rod mechanism installed in the supporting sleeve in a sliding adjustment mode. The supporting sleeve is provided with an adjusting gear matched with the supporting rod mechanism for adjustment, and the supporting rod mechanism is positioned and locked to the supporting sleeve after sliding adjustment. According to the technical scheme, the supporting rod mechanism is matched with the supporting sleeve to adjust the height, all construction positions of the reinforcing steel bar body are conveniently controlled to be located on the same horizontal plane, a reinforcing steel bar protection layer meets the construction requirement after later pouring, and meanwhile the supporting device is convenient to adjust and control the overall height; uniform thickness of a concrete protection layer is ensured, and construction quality is improved.

The utility model discloses a simple transporting device for a mountain high abrupt slope photovoltaic module, which comprises a traction device fixed at the top of a slope, the traction device is connected with a transporting trolley through a steel cable in a hanging manner, the transporting trolley is in sliding fit with a trolley track paved on the slope surface, and the transporting trolley comprises a rectangular frame structure formed by connecting a main beam and a secondary beam; a plurality of connecting beams are connected to the inner wall of the frame; four running mechanisms are symmetrically connected to the lower surface of the frame structure and matched with the trolley track, the trolley track comprises a plurality of anchoring mechanisms, each anchoring mechanism comprises stand columns symmetrically arranged on the two sides, the bottom ends of the stand columns are matched with the slope in an inserted mode, and the top ends of the stand columns are perpendicularly connected with the two ends of a track crosspiece through steel pipe fasteners; the outer surface of the rail crosspiece is sleeved with a sleeve to be connected with the lower surface of the rail, the rail is connected with the upper surfaces of the sleeves of the anchoring mechanisms, and the anchoring mechanisms are connected into a whole. The device has the advantages of being low in cost, convenient to install, easy to operate and capable of efficiently solving the problem of reshipment of the mountain photovoltaic high-abrupt-slope large-length photovoltaic module.

The invention relates to the technical field of bridge construction, and provides a linear monitoring method, device, equipment and product for the construction process of a cable-stayed bridge, and the method comprises the steps: obtaining a three-dimensional virtual bridge body model of the cable-stayed bridge, and extracting the three-dimensional features of the cable-stayed bridge of the three-dimensional virtual bridge body model; based on the three-dimensional characteristics of the cable-stayed bridge, virtual constraints are added to the three-dimensional virtual bridge body model; based on the three-dimensional virtual bridge body model added with the virtual constraint, executing a virtual construction strategy, and obtaining a linear prediction sample after the virtual construction strategy is executed; and optimizing the virtual construction strategy according to the linear prediction sample. According to the method, traditional bridge construction is combined with an artificial intelligence algorithm, the scene of the cable-stayed bridge in the construction process is simulated, data collection and analysis are conducted on stress changes of the three-dimensional virtual bridge body model according to the construction steps, whether linear changes of the cable-stayed bridge in actual construction meet construction requirements or not can be predicted, and the construction efficiency is improved. The construction safety and the construction quality are greatly improved, and the construction period is guaranteed.

The invention belongs to the technical field of open caisson control, and discloses a tunneling and bottom sealing method for a super-large-section vertical shaft, a first tunneling machine is adopted for tunneling an outer ring area of the bottom of the shaft along a sliding rail, a second tunneling machine is adopted for rotatably tunneling an inner ring area around the central axis of a rotary disc, the tunneling range is effectively expanded, and the construction requirement of the super-large-section vertical shaft is met; wherein the ring beam is pre-embedded around the upper part of the inner wall of the blade foot to support the arrangement of the slide rail and ensure the stable operation of the first heading machine; the working radius of the central operation platform is adjusted through the telescopic second heading machine so as to adapt to heading areas of different sizes, and the supporting legs can be stably clamped to the ring beam to maintain the stability of the central operation platform; according to the area ratio of the inner ring area to the outer ring area, the tunneling speed of the first tunneling machine and the second tunneling machine is adjusted, and the excavation consistency is guaranteed; the brush arm machine slides along the sliding rail and drives the brush head to be attached to the side wall of the blade foot for cleaning, it is ensured that no impurity is attached to the side wall of the blade foot, and structural hidden dangers caused by local weakness of the back cover are avoided.

The invention discloses a construction method suitable for an arch bridge formwork supporting system to use a jacking device, and relates to the technical field of buildings. The jacking device suitable for the arch bridge formwork supporting system comprises an existing transformed jacking and an adjusting matching block, and the existing transformed jacking comprises a screw adjusting wheel, a screw rod piece, a jacking plate, an adjusting notch and a bolt adjusting hole. According to the construction method suitable for the jacking device used by the arch bridge formwork supporting system, the structure is simple, and the jacking device adopts modular design, is compact in structure and is easy to mount and dismount. Adjustment is convenient, the height of the matched block supporting plate can be conveniently and rapidly adjusted through the adjusting nut, and the construction requirements of different radians (angles) are met. Effective limiting: the placement position of the supporting stress cross beam can be effectively limited and fixed through the limiting fixing column, so that the jack and the axis of a template supporting vertical rod at the lower part of the jack are pressed, the vertical rod is prevented from being eccentrically pressed, and the stress of a supporting system is facilitated.

The invention relates to the technical field of engineering construction, in particular to a scroll type UHPC concrete composite board ground hardening technology and utensil which comprises a UHPC concrete composite board and a storage tool used for driving the UHPC concrete composite board to be laid and taken back. The UHPC concrete composite board comprises a first board, a standard board, a lengthened board, a shortened board and a tail board. Each UHPC concrete composite board is composed of a face board, a bottom board, hinge teeth and shear pins. The UHPC concrete composite boards are connected through hinges. Large-area long-distance ground hardening mechanical operation and recycling mechanical operation are achieved, and the construction efficiency is high; the reel type UHPC concrete composite board can be recycled for multiple times, and generation of construction waste and loss of steel are reduced.

The utility model discloses a road marking mechanism, and relates to the technical field of road engineering machinery equipment, the road marking mechanism comprises a mounting plate, the two sides of the front end of the mounting plate are slidably connected with connecting rods, the front ends and the rear ends of the outer walls of the two connecting rods are rotatably connected with rollers, one side of the top of the mounting plate is provided with a lifting assembly, and the lifting assembly is connected with the mounting plate. A sealing cover is installed at the top of the feeding port, a first discharging pipe is fixedly connected to the inner wall of the discharging port, an output pump is fixedly connected to one side of the outer wall of the first discharging pipe, a second discharging pipe is fixedly connected to the other end of the output pump, and a marking gun is installed on the second discharging pipe. According to the method, the working efficiency can be improved, the operation risk can be reduced, the method adapts to different working environments, the user experience is improved, the method conforms to the human engineering design principle, better working experience can be brought to an operator through the design, and meanwhile the working efficiency and the marking quality can be improved.

A cable truss, including upper chord cable, lower chord cable, cable clamp, cable clamp support arm, cable end connecting block; the two ends of the cable clamp support arm are respectively provided with a cable clamp, the cable clamp is a cylindrical structure as a whole, which is composed of upper spiral body, middle spiral body and lower spiral body, the joint of the upper spiral body and the middle spiral body is provided with an upper chord cable through hole, and the joint of the middle spiral body and the lower spiral body is provided with a lower chord cable through hole; a plurality of telescopic locking pin shafts are arranged in the upper spiral body and the lower spiral body in the vertical direction, the middle spiral body is provided with locking pin shaft insertion holes corresponding to the locking pin shafts, and the locking pin shafts are inserted and matched with the locking pin shaft insertion holes. The application solves the design problem of the cable net node, reduces the adverse effect of the unbalanced force between the cable nets on the overall structure, increases the force rationality of the node and the safety of the whole cable net, reduces the processing and manufacturing cost and the construction difficulty, and can be applied to the "sky round place" structure of the "Dream of Red Mansions" drama fantasy garden engineering.

The utility model discloses rapid drying and curing auxiliary equipment for thermal insulation mortar construction, which relates to the technical field of thermal insulation mortar construction and comprises a first water tank, universal wheels, an evaporation frame, a fan and a second water tank, a steam generator is arranged in the first water tank, and the universal wheels are mounted at the bottom of the first water tank. A water tank cover is arranged above the first water tank, a water inlet pipe and a liquid level filter element are installed below the steam generator, an evaporation frame and a second water tank are arranged on the side face of the first water tank, a fan, a connector and a spray head are arranged on the side face of the evaporation frame, and a steam connector is installed above the evaporation frame. The construction cost is reduced.

The utility model discloses an optical fiber adapter frame which comprises one or more optical fiber adapter modules and a distribution box used for installing the optical fiber adapter modules, the distribution box comprises a bottom plate, an installation plate and a side plate, the installation plate and the bottom plate are fixedly installed, and one or more side-by-side installation holes are formed in the installation plate. The optical fiber switching module comprises a shell and a first optical fiber adapter installed on the outer side of the shell, the shell is installed in the distribution box, the first optical fiber adapter penetrates through the installation hole and extends outwards, and a stand column is installed at the end, close to the installation plate, of the side plate. And a baffle plate for guiding air to flow to the first optical fiber adapter is mounted on the stand column. According to the optical fiber adapter frame provided by the utility model, the optical fiber adapter is exposed outside the distribution box, and the baffle plates and the ventilation slots are arranged, so that external airflow can be guided to smoothly flow along the vertical direction, heat in a cabinet is taken away, and the overall heat dissipation capability is improved.

The utility model discloses an auxiliary processing tool for a hot-dip galvanizing cable support, and relates to the technical field of cable support processing equipment, in particular to the auxiliary processing tool for the hot-dip galvanizing cable support, which comprises two bottom pipes, one end of the upper surface of each bottom pipe is fixedly provided with an adjusting assembly, and the upper surface of each adjusting assembly is fixedly provided with a pressing frame assembly. During use, when a person pulls a pull ring upwards, the pressing disc is lifted, two hot-dip galvanized steel pipes are inserted into the two pressing frames correspondingly, and therefore the fixing effect on the steel pipes is achieved, then the person can adjust the angle between the two bottom pipes according to the welding requirement, a bolt is detached, a rotating disc is rotated, and the orientation of the pressing frames is adjusted; the two steel pipes are aligned and spliced, so that the steel pipes are prevented from moving during welding by personnel, meanwhile, welding can be carried out from multiple directions, the welding efficiency of the personnel is improved, and the personnel can conveniently weld the steel pipes into a special-shaped bracket so as to meet the construction requirement.

The utility model relates to the technical field of mixing pile construction, disclose a kind of mixing pile mud splashing prevention device including shielding subassembly and base;Shielding subassembly includes multiple shielding monomers, rotationally connected between adjacent shielding monomers, the shielding monomer for being connected to mixing pile drill rod in multiple shielding monomers one end, the shielding monomer connected to base in multiple shielding monomers other end.The utility model shielding monomer rotationally connected and two ends are connected drill rod and base, can closely adhere drill rod lifting track, angle is flexibly adjusted to reduce mud overflow, improve mud efficiency;Modular structure adapts to different drill rod specifications and construction conditions, solve the problem of traditional mudguard adaptation difference;Portable design and dismounting are convenient, can save construction manpower time cost, improve construction efficiency.

The invention discloses a building external climbing type safety construction platform and a using method, the building external climbing type safety construction platform comprises an operation platform, an auxiliary platform, a lifting support, a platform base and a base, the auxiliary platform can move and rotate outwards relative to the operation platform, and the operation platform can move outwards relative to the platform base; the operating platform further comprises a first baffle, a second baffle and a buffer spring which are arranged on the top. The small building construction operation platform solves the problems that after an existing small building construction operation platform is erected, constructors finish construction at the construction position, when other construction positions are constructed, a base of the building construction platform needs to be moved to conduct construction at the next position, and when construction is conducted at the corners of a building, the construction cost is low. And the problems that when obstacles exist around the bottom of the building and protrusions exist in the middle section of the building, the building construction platform is difficult to erect, and therefore the construction difficulty is increased are solved.

The invention discloses a municipal environmental protection engineering pipeline underground excavation construction device, and relates to the technical field of municipal pipeline underground excavation construction.The municipal environmental protection engineering pipeline underground excavation construction device comprises a base, a damping seat, a top seat, a damping mechanism, a height adjusting mechanism and a pipeline underground excavation construction mechanism, an arc-shaped notch is formed in the top of the top seat, and a slidable pipeline is placed on the arc-shaped notch; the pipeline underground excavation construction mechanism comprises a pipe jacking assembly, a splash-proof cover fixed to the side wall of the pipeline through a bolt, a driving motor fixed to the side wall of the splash-proof cover through a bolt and located in the pipeline, a transmission shaft and a spiral soil drilling cutter welded to the outer wall of the transmission shaft. According to the machine, excavation and pipe jacking can be conducted synchronously, the construction efficiency is effectively improved, due to the fact that the machine integrates excavation and pipe jacking, the occupied area of the machine can be effectively reduced, the machine can be well used in a narrow underground environment conveniently, meanwhile, the use cost of the machine is reduced, and the machine is suitable for popularization and application. Therefore, the use requirements of municipal environmental protection engineering can be well met.

The utility model provides an ecological frame and a dike dam, which comprise an arc-shaped frame body and a permeable structure, the arc-shaped frame body comprises a front panel, a rear panel and a side plate; the water permeable structure is a water permeable cavity, the front panel and the rear panel are arc-shaped curved surfaces, the curvature of the front panel and the curvature of the rear panel are the same or the front panel and the rear panel are concentric arcs, and the arc length of the front panel is larger than that of the rear panel; the side plates are arranged between the front panel and the rear panel, longitudinal through grooves are formed in the side plates in the height direction of the ecological frames, the arc-shaped front panel and the arc-shaped rear panel are arranged, the outer vertical face of the dike dam formed by splicing the ecological frames is in a wavy shape, and the scouring effect of water flow and waves on the dike dam can be reduced; the dike dam formed by combining forward continuous splicing and reverse continuous splicing of the ecological frames adapts to various shoreline change conditions, the single ecological frame can meet the construction requirements of diversified ecological dike dams, and by arranging the holes and the permeable concrete pieces matched with the holes, it is guaranteed that the soil leakage prevention characteristic and the water permeability of the ecological frames are coordinated, so that the water permeability of the dike dam is improved. The overall ecological performance of the dike dam is improved.

The present invention provides a bidirectional sliding lifting system and lifting method for a roof truss structure of an assembled sound barrier, and relates to the field of lifting construction of a roof truss structure of an assembled sound barrier, including an outer guide frame mechanism, an inner guide frame mechanism and a shifting mechanism. The main structural components of this patent are all prefabricated in a factory, and do not need to occupy the space of the railway line on site, and are free from large-area formwork structure support, with a small amount of turnover materials and a small number of operating workers. In the lifting process adopted by this patent, the most difficult roof truss component is first lifted to the outer guide frame mechanism by a car crane or a crawler crane, and then slid along the track to the designed position through the inner guide frame mechanism, which takes less time and has good safety. Construction according to the key points of normal existing lines can meet construction needs, and there is no need for rigid closure of the railway line. This patent optimizes the outer guide frame mechanism, the inner guide frame mechanism and the shifting mechanism, so that the lifting system of this patent has the function of bidirectional sliding roof truss beams.

This utility model belongs to the field of communication tower foundation construction technology, specifically disclosing a self-drilling hollow anchor bolt rapid-construction tower foundation. The tower foundation includes a self-drilling hollow anchor bolt assembly, a pad plate, an I-shaped connector, fixing screws, and concrete filler. The anchor bolt assembly consists of multiple threaded hollow anchor bolts arranged in a ring, with an adjacent spacing of ≥20cm. The anchor bolts are splicable and have grouting holes at the bottom. The pad plate is located on top of the anchor bolt assembly and has reinforcing ribs at the bottom. The I-shaped connector includes a bottom plate, a top plate, and a connecting body, with a reinforcing plate between them. The bottom plate is fixed to the anchor bolts, and the top plate is connected to the tower flange via fixing screws. The concrete filler is poured on the outside of the I-shaped connector, above the pad plate, and below the tower flange, forming an integrated support. This utility model integrates drilling, grouting, and anchoring, offering efficient and low-cost construction. It is suitable for complex geological conditions and scenarios where large vehicles cannot pass, improving both connection strength and stability, and can meet the construction needs of lightweight communication towers ranging from 9 to 20 meters in height.

The invention provides a bridge small-section hollow slab beam core mold and a construction method thereof, and belongs to the technical field of bridge construction. The core mold comprises a shaping main body, a supporting frame, a pull-down piece and an isolation pad, the shaping body comprises a plurality of hollow pipes, and the adjacent hollow pipes are attached to each other to form a continuous outer surface and a continuous inner surface. The inner surface of each hollow pipe is attached to and connected to the corresponding supporting frame in a breakable mode, and the supporting frames are evenly arranged in the length direction of the shaping unit. The pull-down piece is arranged in the supporting frame and is provided with an inhaul cable; and the isolation pad covers the outer surface of the shaping main body. The multiple hollow pipes are spliced to form the shaping body, the supporting frame is adopted for supporting the shaping body, the core mold is split into the multiple light-weight components, and the dismounting difficulty of the core mold is reduced; good stability and strength are achieved; by designing the corner core pipes, the connecting core pipes and the standard core pipes, flexible permutation and combination can be carried out, the construction requirements of different abdominal cavity section forms and sizes are met, and the manufacturing and using cost is reduced.

The invention provides a construction method for laying a steel pipe in a shield tunnel in a penetrating mode. The construction method comprises the steps that the penetrating steel pipe is divided into a plurality of steel pipe sections according to a preset principle; the well positions at the two ends arranged in the shield tunnel interval tunneling process are alternately used as steel pipe penetrating laying construction wells, and the steel pipe sections are subjected to filling consolidation construction while being laid from the middle of the tunnel to the well positions at the two ends till all the steel pipe sections penetrate through the whole shield tunnel as required to be completely laid in place. The tunnel hole constructed based on the construction method is coaxial with the steel pipe, gaps with large filling flow state solidified soil volume are reserved around the tunnel hole, it is not needed that a permanent pipe bracket or a supporting rail needs to be arranged at the bottom in advance like the construction of laying the whole steel pipe in a penetrating mode, and in order to guarantee the filling quality of the flow state solidified soil, the inner wall of the steel pipe needs to be filled with the flow state solidified soil at intervals. And a plurality of joint valves filled with the flow-state solidified soil are arranged on the periphery, construction is convenient, and the filling and solidifying effect of the steel pipe can be better guaranteed.

The embodiment of the invention provides a leveling chassis system which comprises a leveling device and a transmission device, the leveling device is detachably connected with the transmission device, and the transmission device is provided with driving wheels used for driving the leveling chassis system to move; the leveling device comprises a front side leveling mechanism and a rear side leveling mechanism, and the front side leveling mechanism and the rear side leveling mechanism are detachably and rotatably connected; the front side leveling mechanism is provided with a plurality of front supporting legs which are symmetrically arranged, the rear side leveling mechanism is provided with a plurality of rear supporting legs which are symmetrically arranged, and the front supporting legs and the rear supporting legs are configured to adjust the extending lengths of the front supporting legs and the rear supporting legs so as to adjust the horizontal state of the leveling chassis system. According to the leveling chassis system, modular configuration is achieved, and all the modules can be detached into a mine and assembled in the mine; according to the leveling chassis system, the trafficability requirement in a complex mine tunnel can be met through steering; and the leveling requirement of the engineering machinery can be met by adjusting the extension length of the supporting legs.