86results about "Building constructions" patented technology

The invention discloses a mixed steel-concrete composite frame structure, belonging to the technical field of engineering structure. The frame structure comprises a composite column of reinforced special shaped steep pipe concrete, a composite beam of concrete-steel pipe partially filled lightweight aggregate concrete and a reinforced concrete floor; wherein, the composite column of reinforced special shaped steep pipe concrete comprises a steel pipe of a special shaped column, a longitudinal bar of the column, stirrup of the column, concrete outside the steel pipe of the column and core concrete inside the steel pipe of the column; the composite beam of concrete-steel pipe partially filled lightweight aggregate concrete comprises a steel pipe of the beam, an inner separator, a longitudinal bar of the beam, stirrup of the beam and concrete outside the steel pipe of the beam; the space formed by the steel pipes of the beam, which are positioned on the lower part of the steel pipe at the end of the beam and on the upper part of the steel pipe on the midspan of beam, and the inner separator is filled with the core lightweight aggregate concrete in the steel pipe of the beam. The frame structure of the invention has excellent fire and shock resistance and relatively light dead load, can be used in building structures such as residence and is convenient for effective use of building space.

A vacuum insulation panel is provided comprising a core with a plurality of stacked non-woven organic free glass fiber sheets, plies, or net shape one piece glass fiber core and a vacuum sealed enclosure containing the core. The fiberglass sheets are formed from glass fibers having a nominal diameter of about 1.5-3.0 microns and the enclosure is formed from an annealed stainless steel foil. The vacuum insulation panel has a thickness of from about 1 to 2.5 inches and an insulation value R of at least 56.8 at moderate vacuum levels between about 1.0E−02 to 1.0E+01 mTorr. In addition, a method of manufacturing same is provided, as well as a method of construction, wherein the vacuum insulation panel is disposed between two walls in the gap therebetween, and preferably a filler material, such as aerated concrete, fiberglass, foam, etc., is disposed in the gap so as to partially or fully encase the vacuum insulation panel.

The invention is a profiled steel pillar top constraint node for profiled bar concrete framework steel support structure, interconnecting in-beam profiled steel, in-pillar profiled steel, pillar main bar, steel support, in-pillar concrete, and in-beam concrete and pouring them into an organic whole, where the tops of the in-pillar profiled steel and the pillar main bar are welded with a constraint anchoring steel plate, the middle of the steel plate is made with vibrating hole and welding hole, the sides of the steel plate are made with plug welding holes, the pillar main bar is welded with the steel plate at the plug welding lines, and the in-pillar profiled steel is welded with the steel plate at the welding line holes. And it improves the integrity of profiled steel pillar top nodes, on the one hand saving the utilization of anchoring reinforcing bars and on the other hand convenient to construction, raising constructing efficiency and saving labor and time.

A tool for use when laying out lines on stair stringers or roof rafters along which cuts are to be made. The step and rafter tool includes a framing square, an angle bracket and two carriage bolts with washers and wingnuts. Each leg of the framing square has a longitudinal slot which is about 90% of the length of the leg. The angle bracket has two central longitudinal slots in the first flange, each of which is about 40% of the length of the angle bracket. The angle bracket is positioned against the framing square so that two carriage bolts are place within holes formed by the overlapping slots of the bracket and square with washers and wingnuts assembled therein. With the wingnuts loose, the angle bracket can be positioned wherever is desired with respect to the framing square and then the wingnuts are tightened. The second flange of the angle bracket now provides a shoe which can slide on the narrow side of a board to be marked and cut for use as a stair stringer or a roof rafter, and thereby stabilize the framing square in place to act as a marking guide. Various indicia, guide marks and data tables are engraved into the legs of the framing square to aid in set up and marking. The edges of the slots in the framing square also provide useful marking guides which are a known distance from other outer or inner edges of the framing square legs.

The multi-tool assembly includes a handle which extends in a first direction between opposite ands and which presents an interior with a pocket. A first blade with a flat edge is secured with one end of the handle for spreading a drywall joint compound. The multi-tool assembly further includes a utility knife blade for cutting drywall sheets and a blade holder which engages the utility knife blade.

The invention relates to an automatic smoothing and rolling equipment for building interior decoration with water-washed stone pavement, which includes a walking device, a smoothing device, and two rolling devices. The smoothing device is installed on the walking device, and the two rolling devices Located on the right side of the troweling device, two rolling devices are symmetrically installed on the traveling device. The invention can solve the existing problems of low work efficiency, high labor intensity, uneven smoothing of the washed stone pavement, and inability to perform synchronous rolling on the washed stone pavement when laying the washed stone pavement manually; it can realize different pavement environments The function of overall smoothing and rolling of washed stones has the advantages of high work efficiency, low labor intensity, mechanized action of evenly smoothing washed stones, and synchronous rolling of washed stone pavement.

The invention discloses a BIM-based (building information modeling based) internal cladding and external connecting beam or column. An active connector is fixed to an end of the beam or column in a sleeving manner, and/or a passive connecting structure is arranged on the side wall of the beam or column; the front end face of an active connector body is provided with an n-shaped hook, and a connecting flange is disposed at an edge of the front end face; the passive connecting structure is provided with a cladding hole in the sidewall of the beam or column or passive connector, and the cladding hole matches with the n-shaped hook. The hook is in a wedged structure or the cladding hole is in a wedged structure so that the beam and column are mounted by opposite inserting, the beam and the column extrude each other for tight attachment after sliding down under the gravitational action, and field connection is very quick without manual centralizing or added accessories for work. The beam and column positioned and compressed are connected through a flange and can be fixedly connected by using tapping screws or traversing bolts or by welding. Two supporting modes hook supporting and flange supporting are present, improving connection strength of the beam and column. The beam or column is simple in structure, very quick to construct in situ and suitable for popularization and implementation.

The invention provides a soil solidifying material used for over-wet soil and a use method thereof, relating to a soil solidifying material and a use method thereof, aiming at providing the soil solidifying material used for over-wet soil with good reinforced effect and strong solidifying soil water stability and the use method thereof. The technical scheme of the invention is as follows: the soil solidifying material used for over-wet soil comprises the following components in parts by weight calculated by supposing that the over-wet soil needs to be treated is 100 parts by weight: 1-8 parts of soil solidifying agent, 1-10 parts of lime, 0-8 parts of cement and 0-20 parts of coal ash. The use method comprises the following steps: grinding and levelling the soil, evenly spreading the soil solidifying material on the soil; grinding, blending and laminating the soil solidifying material and the over-wet soil together; carrying out material enclosing on the soil layer which is initially laminated for 24-28 hours; and evenly spreading the soil solidifying material on the soil layer again, then stirring, grinding and compacting. The invention is mainly used for the treatment of over-wet soil.

Disclosed herewith a modular integrated building and a construction method thereof. The building includes multiple prefabricated room units, each provided with reserved, exposed reinforcing bars at its top. A bottom of a load-bearing structure of the prefabricated room unit is embedded with grouting couple shafts. Reinforcing bars of the load-bearing structure and of the prefabricated room unit of a next floor are inserted in inner grouting chambers of the grouting couple shafts to connect two prefabricated room units of adjacent floors together. A cast-in-situ concrete interlayer is arranged for connecting adjacent prefabricated room units of a same floor together. The on-site workload is reduced significantly, the construction period is shortened greatly, and the construction is convenient and rapid.

The invention discloses a movable type wall coating spraying device. The movable type wall coating spraying device comprises a coating equipment box and a coating brush roll. A sealing diaphragm is welded to the interior of the coating equipment box, the interior of the coating equipment box is divided into an equipment installation chamber and a coating storage chamber by the sealing diaphragm, astirring shaft is installed in the coating storage chamber, a plurality of stirring rods are perpendicularly welded to the side face of the stirring shaft, and the upper end of the coating storage chamber communicates with a coating adding pipe; an air compressor is installed in the equipment installation chamber, the air compressor is connected with a coating rod through an air guiding pipeline,and the coating brush roll is installed on the front side of the coating rod; and the coating rod is connected with the output end of a coating pumping pump through a coating pumping pipe, and the input end of the coating pumping pump is connected with a coating suction pipe. According to the movable type wall coating spraying device, the structure is stable and firm, moving is convenient and rapid, it is ensured that the texture of coating in the coating storage chamber is even, layering or deposition of the coating is avoided, and the position of the coating brush roll can be conveniently adjusted; and even smearing of the coating is achieved, operation is convenient and rapid, and manpower and material resources are saved.

The invention discloses a metal floor buckle comprising the upper top surface of a gusset stay and the lower channel of the gusset stay, wherein the upper top surface of a gusset stay extends to two ends, and the lower channel of the gusset stay is arranged on the inner side of the upper top surface and has the same length with the buckle; the shape of the cross section of the groove of the lower channel of the gusset stay is circular arc, the shape of the groove is matched with the shape of the head of a dedicated injection bolts, and the circular arc of the groove is bigger than a semicircle. The invention has simple structure, convenient use and favorable generality. The metal floor gusset stay not only can be used for flush joint of floor of the same thickness but also can be used for fixedly connecting floor of any thickness difference between 0 and 18 mm. The invention can serve as the single floor parts for paving construction of floor so as to reduce the types of floor parts and lower floor paving construction cost.

The present invention is a method of producing a (meth)acrylic acid based water-soluble polymer having a content of groups in neutralized state of not more than 90 mole percent, where the sum total of acid groups and groups in neutralized state contained in the (meth)acrylic acid based water-soluble polymer is taken as 100 mole percent, which comprises a photopolymerization step of polymerizing a monomer component by irradiating near-ultraviolet rays to a reaction mixture, the said reaction mixture comprising the monomer component, a photopolymerization initiator, a chain transfer agent and a polymerization solvent, the said monomer component containing not less than 50 mole percent of a (meth)acrylic acid monomer, with the whole monomer component subjected to polymerization being taken as 100 mole percent, and a concentration of the said monomer component in the reaction mixture at the time of polymerization being 40 to 97% by mass.

The invention discloses a bending and shearing separation type prefabricated assembly-type frame column and a construction method thereof. A column section comprises an upper column section body and alower column section body; the spliced position of the column section bodies is located at a bending moment anti-bending point; a horizontal bottom-end steel seal plate is pre-embedded in the bottomend face of the column section, and a downwards externally-protruding shear key is arranged on the lower surface of the bottom-end steel seal plate; a horizontal top-end steel seal plate is pre-embedded in the top end face of the column section, and a downwards internally-sunken shear key groove which is matched with the shear key is formed in the upper surface of the top-end steel seal plate; thebottom-end steel seal plate and the top-end steel seal plate are tightly attached; the shear key is downwards clamped into the shear key groove, and the shear key and the shear key groove are tightlymatched; and the top-end steel seal plate and the bottom-end steel seal plate are fixedly connected into a whole through an anti-bending piece. According to the bending and shearing separation type prefabricated assembly-type frame column, bending and shearing members are separated, the vertical bearing capacity of the frame column can be guaranteed, the anti-seismic requirement is met, the structure is simple, processing, construction and mounting are convenient, and meanwhile the economically feasible performance cost ratio is high.

Manually trowelling floor toppings, such as aggregate decorative stone, can be labor-intensive and costly. The present disclosure includes a power rotary trowel that includes a hub rotatably attached to an electric motor via a swivel. A plurality of arms extend from the hub, and a trowel blade assembly is attached to each of the arms. The trowel blade assemblies support an operating weight that includes, at least, a weight of the hub, the arms, the electric motor, the swivel and the trowel blade assemblies. A ratio of the operating weight to a combined trowel blade assembly length is less than 1.3 pounds per inch.

The invention provides a beam and column connecting structure, and belongs to the field of steel structures. The problem that an existing beam and column connection strength is low is solved. The beamand column connecting structure comprises a column body and a beam body. The column body comprises a stand column; the beam body comprises cross beams and longitudinal beams; the stand column comprises four column plates; two cross beams and two longitudinal beams are fixed to the stand column. The column body also comprises a central pipe; the central pipe comprises is connected into the columnbody; and the central pipe comprises four central plates. The column body also comprises two transverse pipes and four longitudinal pipes. the two transverse pipes are fixed to the outer side surfacesof the two central plates at the front and rear; the four longitudinal pipes are fixed to the outer side surfaces of the two central plates on the left and right; the two longitudinal pipes are positioned above the two transverse pipes; transverse holes are formed in the two column plates on the left and right, the two ends of the transverse pipe penetrate out of the transverse holes and are located in the two transverse beams, the two transverse pipes are fixed to the inner walls of the left and right sides of the transverse beams, longitudinal holes are formed in the two column plates on the front and back, the longitudinal pipes penetrate out of the longitudinal holes and are located in the longitudinal beams, and the four longitudinal pipes are fixed to four corners of the inner wallsof the longitudinal beams. The connecting structure is higher in strength and better in stability.

Disclosed is herein an air hypocaust structure for cooling and/or heating dwellings. In winter, hot air is supplied into a space between an upper and a base plate constituting the air hypocaust structure to heat the dwelling according to a convection and a radiation mechanism. In summer, cold air is supplied to the space between the upper and base plate to cool the dwelling according to the convection mechanism. A plurality of support legs and guide plates are installed between the upper and base plate, and the support legs and guide plates may be integrally formed on the lower side of the upper plate or may be separately produced to be assembled with the upper plate. A hole is formed at a lower end of each of the support legs, and projections each having a sharp tip at an end thereof and corresponding in position to the support legs are formed on the upper side of the base plate. Therefore, when the upper plate is assembled with the base plate, the sharp tips of the projections are inserted into the holes of the support legs to firmly assemble the upper plate with the base plate. Furthermore, the guide plates are arranged between the upper and base plate to control the direction of a hot or cold air current flowing through the air hypocaust structure.

A disposable tooth cleaning device is disclosed for use with an application member. The device includes a support element having a first and a second surface, and a plurality of bristles project from the first surface of the support element. A tooth cleaning agent is disposed on the bristles and is adapted for activation upon contact with water. Finally, an attachment mechanism is secured to the second surface of the support element and is adapted for releasably securing the support element to an application member for use of the tooth cleaning device.

An adaptive balancing mechanism of dual-head cement troweling machine includes a water tank, a screw support base, an adjusting screw, a sensor and controller, a counterweight, a stepper motor, an underframe, a guide rail, a guide rail support plate, limit plates, and a transmission member. The controller collects the weight change information of the water in the water tank in real time according to the operation process. Adjust the position of the counterweight in real time by the stepper motor and the adjusting screw to make the two trowel heads in adaptive dynamic balance to the ground pressure.

The invention relates to the technical field of constructional engineering, in particular to a slope sediment leveler. The slope sediment leveler comprises a frame body, a leveling shaft and a vehiclebody. The two ends of the leveling shaft are connected with the frame body correspondingly through bearings, a leveling knife is fixedly arranged on the leveling shaft, the leveling knife is a spiralblade around the leveling shaft, and a power machine is fixed to the frame body to be connected with the leveling shaft through a mechanical transmission device; one end of the frame body is fixedlyprovided with a guide rod, the guide rod is hinged to the vehicle body, and a dial indicating the rotating angle is arranged on the hinged position; and an arc-shaped plate arranged on the frame bodyis capable of fixing the frame body to the vehicle body after rotating, and a water tank arranged on the vehicle body is capable of spraying water in the leveling process. The slope sediment leveler is started to push the vehicle body, and the leveling knife which is oblique on the frame body can level out an inclined face with the specified angle. The slope sediment leveler can level out sediments on the oblique face, and the leveling effect is good.

The invention provides a novel building. A garage is additionally arranged in each apartment in each floor in the high-rise building; a vehicle elevator is additionally arranged in the building, and avehicle entrance is additionally arranged in the ground floor; the garage communicates with a hall of each apartment to enable people to walk between the garage and the hall conveniently; the vehicleelevator can reach the garage in each apartment in each floor to enable a vehicle to go up and down conveniently; the vehicle entrance leads to the vehicle elevator; people drive the vehicle to enterinto the vehicle elevator from the vehicle entrance when going home; the vehicle elevator reaches the corresponding garage in the floor; people can enter the hall by getting off the vehicle after thevehicle enters the garage; when needing to go outside, the people drive the vehicle into the vehicle elevator from the garage and can leave away from the building when the vehicle elevator reaches the vehicle exit in the ground floor.

The invention discloses a wave-absorbing breathable environment-friendly molding. The wave-absorbing breathable environment-friendly molding is prepared from the following raw materials in parts by weight: 5 to 9 parts of calcium borate, 55 to 65 parts of high-strength gypsum, 14 to 18 parts of fibrilia, 6 to 8 parts of polyester fiber, 10 to 16 parts of adsorbed filled earth, 1 to 2 parts of terbium oxide, 1 to 2 parts of iron oxide, 8 to 12 parts of inorganic filler, 10 to 14 parts of flame retardant additives and 12 to 18 parts of an adhesive. The wave-absorbing breathable environment-friendly molding disclosed by the invention has the excellent characteristics of good wave-absorbing effect, light quality, high mechanical strength, breathability and no cracking; in addition, the molding has the advantages of smooth surface, good toughness and impact resistance, the function of adsorbing harmful substances in the air, and relatively-excellent flame retardancy and dimensional stability; meanwhile, the preparation method disclosed by the invention has the advantages that the low cost of materials is relatively low raw materials are easy to obtain, and the process is simple; the molding for decoration has a relatively-high practical value and a good application prospect.

A multi-way pipe connector for a tubular frame, applied to connect a plurality of connection tubes so as to form the tubular frame, includes a main connector body, a plurality of connection protrusions and a plurality of elastic O-rings. The connection protrusions are extending individually in corresponding extension directions from the main connector body, and each of the connection protrusions has an outer wall including at least one annular groove. Each of the plurality of elastic O-rings is to sleeve one said corresponding annular groove of the respective connection protrusion so as to form a dimensional interference fit relationship with an inner wall of the corresponding connection tube sleeving the connection protrusion.

The invention discloses a double-beam modular steel structure interpolation self-locking node which comprises an upper column and a lower column, an upper module floor beam is arranged on the side wall of the upper column, a lower module ceiling beam is arranged on the side wall of the lower column, and a self-locking interpolation piece for achieving vertical connection is arranged between the upper column and the lower column. The nodes are inserted and connected in a self-locking mode, on-site connecting tools are not needed, module unit combination can be rapidly assembled, and the assembling efficiency of the steel structure modular building can be greatly improved; the nodes are inserted and connected in a self-locking mode, module internal holing connection is not needed, module nodes are convenient to assemble, and rapid assembly of eight up-down modules can be achieved.

The invention relates to the technical field of coating, and discloses a coating device capable of conducting uniform spraying and reducing stock solution waste. The device comprises a first rotatingdisc, and a second rotating disc is driven to synchronously rotate by utilizing the rotation of the first rotating disc. According to the device, through cooperative use of the first rotating disc, the second rotating disc and a piston, raw materials can be automatically transferred, and manual lifting is not needed, so that the working intensity in a coating process is reduced, the time and laborare saved, and the working efficiency is improved; through cooperative use of liquid inlets, baffles, cross rods, a second disc and liquid outlets, the transferred raw materials can be automaticallyformed into dense fine mist to be sprayed out, so that coating is uniform, the situation that the raw materials flow downwards along a wall due to too many raw materials in each time of coating process is avoided, and the waste of the raw materials is reduced; and through cooperative use of a sleeve rod, the piston and the second disc, the two steps of raw material transferring and stock solutionspraying are linked, so that the linkage performance of the whole device is improved, and the operation is simple.

The invention provides a coating device which comprises a closed tank, a pressure air source supplying device, a coating container and a pump. A first connector, a second connector and a third connector which are communicated with the inside of the tank are arranged on the tank, the first connector is further connected with a coating delivery pipe. The pressure air source supplying device is used for storing pressure air and connected with the third connector of the tank through a first delivery pipe. The coating container is used for containing, mixing and forming coating. The pump is used for pumping the coating in the coating container to the tank, an inlet of the pump is communicated with the coating container, and an outlet of the pump is connected with the second connector of the tank through a second delivery pipe. By means of the coating device, coating operation is facilitated, coating working efficiency is improved, and movement of coating positions can be achieved without transportation of the tank, the coating container and other devices.