65results about How to "Meet construction needs" patented technology

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 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 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 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.

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 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 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 belongs to the technical field of building construction, and particularly relates to an anti-toppling scaffold for bridge road and building construction and a construction method.The anti-toppling scaffold comprises four stand columns, a protective fence assembly, a standing plate assembly, a top plate, a bottom plate, an anti-toppling gravity center adjusting assembly and a pressure bearing assembly; a protective fence assembly and a standing plate assembly are jointly installed at the top ends of the four stand columns, a top plate and a bottom plate are jointly installed at the positions, close to the top ends and the bottom ends, of the four stand columns respectively, a plurality of anti-toppling gravity center adjusting assemblies are installed between the top plate and the bottom plate, and a pressure bearing assembly is jointly installed at the positions, located below the bottom plate, of the four stand columns. The anti-toppling gravity center adjusting assembly is reasonable in design, the linear guide rail pair is used for driving the hanging plate to linearly move, the limiting wheel at the bottom end of the hanging plate slides and moves in the balancing weight, the lug plate at the bottom end of the balancing weight rotates with the axis of the hinge shaft of the lug seat as the rotating center line, and the gravity center is adjusted through rotation of the balancing weight.

The utility model discloses a template for skirt wall construction, which comprises a steel plate and two parallel reinforcing rib plates fixed on the back of the steel plate, the two reinforcing rib plates are respectively arranged close to two opposite edges of the steel plate, a plurality of adjusting components are fixedly arranged between the two reinforcing rib plates and are sequentially arranged from top to bottom, and the adjusting components are arranged on the steel plate. A plurality of adjusting assemblies are fixedly arranged between the two reinforcing rib plates, each adjusting assembly is connected with the two reinforcing rib plates and can exert acting force on the two reinforcing rib plates respectively so as to adjust the curvature of the steel plate, the two parallel reinforcing rib plates are arranged on the back face of the steel plate, the multiple adjusting assemblies are fixedly arranged between the two reinforcing rib plates, each adjusting assembly is connected with the two reinforcing rib plates, and therefore the curvature of the steel plate can be adjusted. And acting force can be applied to the two reinforcing rib plates respectively, so that the curvature of the steel plate is accurately adjusted, the construction requirements of different curved surfaces are met, and the construction precision is improved.

This utility model discloses an anchor drilling angle control device and an anchor installation device for slopes. The anchor drilling angle control device includes: a base, two sets of support components, at least two sets of fixing components, and a guide component. The base can be fixed to the slope, and support components are symmetrically arranged on both sides of the base. Each support component includes two parallel and vertically connected support members, and the support members are provided with first adjustment holes spaced apart in the vertical direction. The guide component is located between the two support members of each set of support components, and the guide component is provided with second adjustment holes spaced apart in the horizontal direction. The guide component is used to install the anchor. At least one fixing component is provided on each side of the base. The fixing component can extend and retract in the vertical direction and can be inserted into the corresponding first and second adjustment holes to adjust the guide component to a preset tilt angle and fix it. It can achieve precise angle control, rapid positioning, and adapt to complex terrain.

The present invention provides a system and method for hoisting a roof sound insulation board of an assembled sound barrier, and relates to the field of assembled sound barrier construction, including a door-type hanger mechanism, a connecting steel beam mechanism and a jacking mechanism, wherein the door-type hanger mechanism includes two groups of door frame units, a transverse support beam arranged in a vertical track direction and a sliding lifting assembly, and the column top frame beam and the connecting steel beam mechanism of the present invention form a high and low misaligned basic track adapted to slide with the door-type hanger mechanism, and then the misaligned movement adjustment is realized through multiple groups of alternately telescopic support legs of the door-type hanger mechanism, so that the door-type hanger mechanism can move across the beam, thereby improving the hoisting efficiency of the roof sound insulation board; during the construction of the patent, the site does not need to occupy the space of the railway line, and it is free from large-area formwork structure support, the turnover material consumption is small, the operating workers consumption is small, and the construction needs can be met by constructing according to the key points of the normal existing line, and there is no need to rigidly close the railway line, and the promotion value is large.

This utility model discloses an adjustable-angle concrete unloading chute device, relating to the field of concrete construction technology. It includes a base, a lifting plate, a main chute, and an auxiliary chute. Two guide rails are fixedly connected to the upper end of the base, and servo motors are fixedly installed on the upper ends of each guide rail. Threaded rods are fixedly connected to the power output ends of the servo motors. A lifting plate is located above the base, and sliders are fixedly connected to both sides of the lifting plate. The servo motor drives the threaded rods, and in conjunction with the sliders and guide rails, the chute height can be precisely and conveniently adjusted to accommodate unloading points of different heights. The auxiliary chute, through a limiting strip cooperating with the limiting groove of the main chute, can slide flexibly and be locked using fixing screws. The total length of the chute can be flexibly adjusted according to the unloading distance. Furthermore, a servo cylinder can adjust the tilt angle of the main chute, facilitating control of the concrete unloading flow direction and speed, making the unloading process more in line with construction needs, and improving construction efficiency and quality.

The utility model belongs to the technical field of hoisting transportation, and discloses a transfer platform for a long and narrow ramp, the transfer platform comprises a truss structure and a transfer mechanism, the truss structure comprises an I-shaped guide rail and a plurality of suspension frames, the I-shaped guide rail comprises a plurality of I-shaped guide rail sections, the plurality of suspension frames are arranged at intervals in the direction of the ramp, and the transfer mechanism is arranged on the I-shaped guide rail sections. An I-shaped guide rail section is suspended between every two adjacent suspension frames, and a plurality of I-shaped guide rail sections are sequentially connected in the ramp direction to form an I-shaped guide rail; the transfer mechanism comprises a traction device, a traction rope and a transport trolley, the traction device is arranged at one end of the truss structure, the traction rope forms a loop on the truss structure, the traction device can drive the traction rope to reciprocate on the truss structure, and the transport trolley is slidably arranged on the I-shaped guide rail and reciprocates on the I-shaped guide rail along with the traction rope. The transport trolley is used for hanging materials. According to the transfer platform, through modular design, the occupied space can be reduced, and therefore the construction requirement in a long and narrow ramp is met.

The invention relates to the technical field of cement stabilized base construction, in particular to a cement stabilized base edge pressing construction method. The invention discloses a cement stabilized base edge pressing construction method. The method comprises the following steps: step 1, preparing materials; step 2, paving a base layer; step 3, compacting the base layer; fourthly, formwork erecting is conducted on the edge of the base layer; step 5, spraying cement paste; and step 6, maintenance. According to the cement stabilized base edge pressing construction method, the steps are adopted, the cement stabilized base is subjected to construction operation and auxiliary formwork erecting, the cement stabilized base can be compacted, the cement stabilized layer is stable in structure, the strength reaches the standard, the strength is increased along with the age, a plate body is rapidly formed, and therefore the cement stabilized base edge pressing construction method has the high strength, and the service life of the cement stabilized base edge pressing construction method is prolonged. The anti-permeability and the freezing resistance are good, and meanwhile, the problem of insufficient compaction of the edge part is solved.

The utility model relates to the technical field of fabricated buildings, and particularly discloses a butt-joint formwork for a fabricated wall, a formwork unit and a formwork system.The butt-joint formwork comprises a first formwork body and a second formwork body matched with one end of the first formwork body in a butt joint mode; a butt joint groove is formed in the end, close to the second formwork, of the first formwork, and a butt joint protrusion used in cooperation with the butt joint groove is arranged at the end, close to the first formwork, of the second formwork. According to the utility model, the template I and the template II are matched, so that the templates which can be butted can be randomly adjusted according to use requirements, the construction requirements of walls with different heights can be met, and meanwhile, the templates are shortened, so that the transportation is convenient, and the construction is flexible.

The present invention provides a hydraulically driven temporary support annular rod, which relates to the field of tunnel construction. The hydraulically driven temporary support annular rod comprises a first hydraulic annular rod, a connecting body, and a second hydraulic annular rod. The connection structure of the first hydraulic annular rod is consistent with that of the second hydraulic annular rod, and both are connected to the front and rear side walls of the connecting body. The first hydraulic annular rod comprises an annular outer cylinder and an annular piston rod. The annular piston rod is slidably connected to the inner surface of the annular outer cylinder. A side groove is provided between the upper side wall and the left side wall of the connecting body. Through the hydraulic annular rod that can rotate independently and can be telescopic, after being supported by the hydraulic telescopic rod, the hydraulically driven temporary support annular rod can fully meet the construction requirements of the tunnel. The horizontal or longitudinal rods can be connected at the second elastic ring and the third elastic ring to realize the connection of multiple hydraulically driven temporary support annular rods, which is very convenient and has three connection methods for the initial support arch connection end.

The utility model relates to expansion joint glue injection device technical field, concretely is a kind of high-pressure glue injection device for elastomer expansion joint material.The device includes base, high-pressure injection cylinder being set on base, filling mechanism for conveying glue to high-pressure injection cylinder, piston is slidably arranged on the inner side wall of high-pressure injection cylinder, driving mechanism for driving the linear sliding of high-pressure injection cylinder is set on the base;High-pressure injection cylinder is connected with the tail end of conveying long tube, and the first valve is set in the head end of conveying long tube.The characteristics of the device are that by pushing piston, great pressure is applied to the glue in high-pressure injection cylinder, so that the glue overcomes its own gravity and viscosity, and is injected into the use position after climbing a large difference.The device has simple structure, can quickly realize the purpose of pouring elastomer material directly from under bridge to bridge joint, and meets construction demand.

The invention relates to a length-adjustable temporary suspender of a suspension bridge, and belongs to the technical field of bridge construction. Comprising a steel wire rope connected with a main cable, and the lower end of the steel wire rope is fixed to a distribution beam; the upper end of the tension rod penetrates through the distribution beam, and a steel anchor box is fixed at the lower end of the tension rod; the supporting legs are mounted on the distribution beams; the center hole jack is arranged on the supporting leg and is connected with the tension rod; the limiting assembly is connected to the tensioning rod and used for limiting the moving position of the tensioning rod. After the steel wire rope, the tensioning rod, the distribution beam and the anchoring box are installed, the supporting feet are installed above the distribution beam, the center hole jack is installed above the supporting feet, the supporting feet support the center hole jack, and the distance between the distribution beam and the steel anchoring box is adjusted through tensioning of the center hole jack, so that the length of the suspender is adjusted, and the use requirement is met.

The utility model relates to a lifting appliance special for lifting on a crane, which comprises a leveling mechanism, a slewing mechanism, a vertical lifting mechanism, a transverse moving mechanism, a transverse angle adjusting mechanism, a grabbing mechanism and a machine tool platform, and the leveling mechanism is connected with a main machine of the crane and the machine tool platform and is used for adjusting the levelness of the machine tool platform. The swing mechanism is connected with the machine platform and controls the machine platform to rotate around a vertical shaft, the vertical lifting mechanism is arranged on the machine platform and connected with the transverse moving mechanism to control the height of the transverse moving mechanism, and the transverse moving mechanism is connected with the grabbing mechanism to control the transverse position of the grabbing mechanism. The transverse angle adjusting mechanism is installed on the machine tool platform to control the angle of the machine tool platform. The mechanical arm has the advantages that by controlling each executing mechanism, the grabbing, vertical lifting, transverse moving, transverse angle and rotation around a vertical shaft of a large component can be realized, and the included angle between the mechanical arm and a crane jib can be adjusted.

The utility model relates to the technical field of greening engineering, and particularly discloses a modularized isolation belt greening system for greening engineering, which comprises a wrapping outer layer for planting a green belt, an isolation belt system arranged on the wrapping outer layer and soil filled in the wrapping outer layer and the isolation belt system, the isolation belt system comprises one or more planting cylinders, a pipeline is installed between every two planting cylinders, an installation kit is installed at the positions of the pipelines and used for connecting the two opposite pipelines, and green plants are planted on the inner sides of the planting cylinders. According to the utility model, through the combination of the modularized isolation belt system, the green plants which are cooperatively planted and the biomass shell, when a stable planting environment is provided for the green plants, the biomass shell can be degraded by utilizing the degradation of soil microorganisms, fertility required by planting is provided for the green plants, and the frequency of later fertilization is reduced.

This application provides a leveling chassis system, which includes a leveling device and a transmission device. The leveling device and the transmission device are detachably connected. The transmission device is equipped with a drive wheel for driving the leveling chassis system. The leveling device includes a front leveling mechanism and a rear leveling mechanism, which are detachably and rotatably connected. The front leveling mechanism has multiple symmetrically arranged front outriggers, and the rear leveling mechanism has multiple symmetrically arranged rear outriggers. The front and rear outriggers are configured to adjust their extension lengths to adjust the leveling chassis system's horizontal state. This leveling chassis system achieves modular configuration, and each module can be disassembled and brought into the mine for assembly. The leveling chassis system can meet the passability requirements in complex mine tunnels through steering; and by adjusting the outrigger extension lengths, it can meet the leveling requirements of engineering machinery.

The utility model relates to the technical field of robots, and provides a robot competition site which comprises a site module. The floor is provided with a plurality of mounting grooves, and the mounting grooves are used for mounting the fences; and the lifting mechanism is located below the floor, connected between the base and the floor and used for driving the floor to ascend and descend relative to the base. The lifting mechanism can drive the floor to ascend and descend relative to the base, so that the building requirements of different heights and terrains can be met, the diversity and challenge of the competition are improved, and the applicable scenes of the robot competition field are increased. Moreover, due to the fact that the mounting groove is formed in the floor, various forms of fences can be rapidly disassembled and assembled under different competition requirements, the different competition requirements are met, the mounting efficiency is improved, and time and energy are saved. Moreover, due to the fact that the field is high in applicability, different competition requirements can be met only by adjusting the lifting mechanism and the fence, and the cost needed for producing various fields is reduced.

The utility model discloses a cast -in -place box girder flange plate formwork support frame, including formwork support frame and support subassembly, the formwork support frame is according to cast -in -place box girder flange plate's design arc adjustment, and including positioning rod, upper chord, lower chord and arc rod, the positioning rod top is detachably connected upper chord and lower chord through first connecting component, the detachable connection arc rod between upper chord and lower chord, the formwork support frame bottom is detachably connected support subassembly through second connecting component, the support subassembly is according to cast -in -place box girder height and adjusts height, the utility model discloses support frame can be adjusted according to cast -in -place box girder flange plate's design arc, satisfies the construction demand of different radian and size, has improved the flexibility and adaptability of construction, and through the detachable connection of first connecting component and second connecting component, and the height adjusting function of support subassembly, has guaranteed the stability and security of formwork support frame in the construction process.

This application relates to a lightweight steel ceiling system, comprising hangers, a main keel, and secondary keels. One end of the hanger is connected to the top, and the other end is fixedly connected to the main keel. The secondary keel is detachably and vertically connected to the main keel. The side wall of the main keel has multiple snap-fit ​​structures, each including a fixing part and a snap-fit ​​part. The fixing part is located on the side wall of the main keel, and the snap-fit ​​part is fixedly connected to the bottom of the fixing part. The extension direction of the snap-fit ​​part is the same as the extension direction of the main keel. The secondary keel has a snap-fit ​​groove, the extension direction of which is perpendicular to the extension direction of the secondary keel. The snap-fit ​​part can be snapped into the snap-fit ​​groove to vertically connect the secondary keel to the main keel. This greatly improves installation efficiency. Because the secondary keel can be freely inserted and disassembled, construction personnel can adjust the installation position of the secondary keel according to actual needs, thereby improving the flexibility of the ceiling system and meeting the construction needs of different scenarios. Both the main keel and the secondary keel are made of lightweight steel, significantly reducing the weight of the ceiling.

The invention provides a double-track railway assembly type concrete totally-closed sound barrier and a design method, and relates to the field of totally-closed sound barriers, the double-track railway assembly type concrete totally-closed sound barrier comprises two stand column mechanisms, a sound insulation wallboard mechanism, a column top frame beam mechanism, a T-shaped roof truss beam mechanism and a sound insulation top plate mechanism. All building components of the main body structure are basically prefabricated and processed in a factory-like mode, railway line space does not need to be occupied on site, large-area formwork structure supporting is not needed, the using amount of turnover materials is small, and the using amount of operators is small. The movable crane can be adopted for assembly construction, the marketization level is high, flexible application can be achieved according to site conditions, a special tower crane does not need to be arranged, and the hoisting efficiency is high; the overall design method of hoisting and splicing is adopted, rigid closing does not need to be conducted on the railway line, the construction requirement can be met according to normal existing line construction, and the popularization value is high.

The invention belongs to the technical field of slurry treatment, and relates to a slurry separating and solidifying device which comprises a dosing unit, a settling unit and a solidifying unit which are sequentially connected, the solidifying unit comprises a solidifying box body and a water storage pond communicated with the solidifying box body, a box cover is connected to the solidifying box body, a feeding port is formed in the box cover, and discharging ports are symmetrically formed in the solidifying box body. A baffle structure is arranged at the position of the discharging port, an upper baffle is arranged over the discharging port, a filter pressing plate is arranged in the curing box in a sliding fit mode, and a driving device is arranged in the curing box to drive the filter pressing plate to move to push slurry entering through the feeding port to the positions among the filter pressing plate, the inner wall of the curing box, the baffle structure and the upper baffle for filter pressing; transmission structures are symmetrically arranged on the two sides of the filter pressing plate, movement guide grooves are symmetrically formed in the outer side wall of the curing box body, and under the limiting effect of the movement guide grooves, the transmission structures drive the baffle structures to move by a preset distance and then disengage from the baffle structures. According to the slurry separating and curing device, continuous automatic curing treatment on slurry can be achieved.