39results about How to "Dense connection" patented technology

The invention relates to a foldable house and an assembling and disassembling method thereof, and belongs to the technical field of moveable house structures. The foldable house comprises a first unit and a second unit, wherein the first unit and the second unit are structurally symmetric and can be integrally assembled with each other to form the foldable house; the first unit and the second unit both comprise bottom plates and mountain wall plates which are hinged to two opposite sides of the bottom plates; side wall plates are arranged between the two mountain wall plates; the bottoms of the side wall plates are hinged to the bottom plates; a top plate is hinged to the tops of the side wall plates; side surface connecting parts and top connecting parts of both the first unit and the second unit are respectively assembled integrally through detachable side connecting members and top connecting members. The foldable house is smart in structural design, small in space, light in weight, rapid in assembly and disassembly, and convenient and rapid in transport, and can be repeatedly assembled and disassembled for use.

A semiconductor chip is disclosed and includes a plurality of bond pads disposed on a semiconductor chip, and a plurality of chip bumps of different heights disposed on a corresponding bond pad.

The invention discloses a steel plate composite beam bridge support-free cast-in-place concrete device and a construction method. The steel plate composite beam bridge support-free cast-in-place concrete device comprises profiled steel sheets, steel beams, steel reinforcement frameworks and shear connectors. The shear connectors are arranged on the upper flanges of the steel beams, the two sides of the upper flanges of the steel beams are each connected with a profiled steel sheet, and a plurality of steel bar frameworks are arranged on each profiled steel sheet. When the device is used for cast-in-place construction of the concrete bridge deck slab, a bracket is not required to be erected; the bearing capacity of the bridge deck slab is improved by the upper steel reinforcement frameworks; the profiled steel sheets at the bottom are used as a formwork, the bottom concrete is prevented from being subjected to slurry leakage, pitted surfaces, falling and other diseases, threats to pedestrians or vehicles passing under the bridge are avoided, meanwhile, the economical efficiency is good, construction is convenient and fast, the construction efficiency is remarkably improved, the construction cost is saved, and civilized construction and safe construction are convenient to achieve.

The invention discloses a lengthening joint containing a prefabricated concrete-filled steel tube core column component and a construction method of the lengthening joint. The lengthening joint comprises an upper-section core column, a lower-section core column, a steel reinforcement framework, a joint concrete layer and out-of-tube concrete layers. The bottom end of the upper-section core columnis connected with an upper flange plate, the top end of the lower-section core column is connected with a lower flange plate, a connecting assembly comprises a connecting plate, bonding glue layers and high-strength bolts, the connecting plate is arranged between the upper flange plate and the lower flange plate, air holes are formed in the middle of the plate face of the connecting plate at intervals, the bonding glue layers are arranged between the connecting plate and the upper flange plate and between the connecting plate and the lower flange plate, and the upper-section core column and the lower-section core column are connected through the high-strength bolts; and the steel reinforcement framework is arranged around joints of the upper-section core column and the lower-section core column, and the joint concrete layer is poured between the out-of-pipe concrete layer on the outer side of the upper-section core column and the out-of-pipe concrete layer on the outer side of the lower-section core column. The technical problems that the thickness of an existing joint cannot be adjusted, inclination deviation exists, compression deformation is large, force transmission is not reliable, construction efficiency is low, and concrete in a steel pipe is difficult to pour are solved.

A vertical seam choke plug comprises a raised top part, an extended part, a skirt part and a skirt edge, wherein the raised top part comprises a first side face and a second side face which are disposed vertically and mutually at an interval, and opposite top edges of the first side face and the second side face and one side edge are mutually connected in order to let the top end of the raised top part and one side end form sealing space; the extended part is extended to a direction remote from and perpendicular to the raised top part along bottom edges of the first side face and the second side face and the bottom edge of a sealed side end of the raised top part; the top part of the skirt part is connected to the edge of the extended part remote from the raised to part and is extended for a distance in a direction remote from the raised top part to reach the bottom part of the skirt part, and perimeter of the bottom part of the skirt part exceeds the perimeter of the top part of the skirt part; and the skirt edge is connected to the bottom part of the skirt part and is lengthened in a direction parallel to the extended part and remote from the raised top part. The vertical seam choke plug provided by the invention solves the problem that a hidden danger of water leakage exists at an intersection part between a metal roofing board opened base and a metal roofing board slab rib on an upstream face and a downstream face when a traditional structure is used.

The shear wall structure comprises a prefabricated wall panel and a steel bar connecting structure, wedge-shaped grooves and wedge-shaped connecting blocks are alternately arranged on the upper end face, the lower end face, the left side face and the right side face of the prefabricated wall panel correspondingly, and the wedge-shaped grooves and the wedge-shaped connecting blocks are sequentially arranged in the thickness direction of the prefabricated wall panel; a plurality of first connecting steel bars are further arranged in each wedge-shaped groove, and second connecting steel bars are further arranged on the wedge-shaped connecting blocks; the steel bar connecting structures are used for connecting the first steel bars and the second connecting steel bars of the two adjacent prefabricated wall plates in the transverse direction and the vertical direction of the prefabricated wall plates. The invention further discloses a construction method of the shear wall plate. The problems of water leakage and water seepage of straight seams formed during connection of existing prefabricated shear walls are solved.

The invention relates to a pipeline connector which comprises a connecting pipe and a connecting pipe lining part, the connecting pipe is a pipe body, the connecting pipe lining part is arranged on the inner wall of the connecting pipe, and the connecting pipe lining part comprises a connecting pipe lining part first part and a connecting pipe lining part second part. The connecting pipe lining part first part and the connecting pipe lining part second part are arranged on the inner wall of the connecting pipe. The pipeline connector has the advantages of being convenient to operate and tightin connection.

The invention relates to a heat preserving and energy saving structure for an outer wall of an old house and a modification construction technology thereof. The structure comprises multiple heat preserving plates, grid cloth and anti-crack mortar, wherein the heat preserving plates are bonded to the surface of the outer wall, the grid cloth is bonded to the sides, away from the outer wall, of theheat preserving plates, and the anti-crack mortar covering the grid cloth. Connecting parts are detachably connected to the peripheries of the heat preserving plates. A filling groove is formed between every two adjacent heat preserving plates through two connecting parts. Seam filling blocks made of the same material as that of the heat preserving plates are arranged in the filling grooves. The seam filling blocks are filled between every two adjacent heat preserving plates, the seam filling blocks are fully filled into gaps between every two heat preserving plates, the gaps between every twoadjacent heat preserving plates are reduced, and the heat preserving effect of the outer wall is improved.

The invention belongs to the technical field of constructional column construction for buildings and particularly relates to a constructional column top pouring construction method. To make the top of a constructional column be tightly connected with the bottom of a beam and sufficiently play the aseismic effect of the constructional column, the constructional column top pouring construction method is provided. The construction method comprises the steps that after concrete beam and slab steel bars and formworks are installed and before concrete is poured, galvanized steel pipes communicating with the top end of the constructional column are embedded in a positioned mode, and when concrete of the constructional column is poured till the bottom of a concrete beam cannot be compactly filled, pouring is conducted through the embedded galvanized steel pipes. The effect that the top of the constructional column is tightly connected with the bottom of the beam is guaranteed, the construction quality of an infilled wall is improved, and original constructional column construction technique procedures are not changed. The number of the embedded galvanized steel pipes is no less than two, one embedded steel pipe can serve as an ichor pipe while pouring, and the effect that the top is sufficiently poured is guaranteed.

The invention discloses a solid EPS module wall body and a construction method thereof. The solid EPS module wall body comprises a reinforced concrete pile and an EPS wall surface. The EPS wall surface comprises a fixing vertical rib, EPS modules, a right angle clamping device and a fixing nail. The EPS modules sleeve the fixing vertical rib through U-shaped grooves, the opening directions of theU-shaped grooves of the two groups of the EPS modules assembled up and down are opposite, a positioning groove is formed in the middle of the top of each of the EPS modules, and a positioning bulge isarranged at the bottom; one right angle clamping arm of the right clamping device is located between the positioning groove of the EPS module under the right angle clamping arm and the positioning bulge of the EPS module above the right angle clamping arm and provided with a first U-shaped clamping groove, the other right angle clamping arm is located between the EPS module and the reinforced concrete pile and provided with a through fixing hole, and is fixed on the reinforced concrete pile through the fixing nail. The solid EPS module wall body has light weight, fast construction, good heatpreservation and thermal insulation performances, fireproof and dampproof functions and low construction cost.

The invention relates to a method for improving volume density of a viscose felt, and belongs to the technical field of a textile processing. The method includes steps of performing negative pressureabsorption on a fluffy viscose screen under a negative pressure condition when the viscose screen after loosening carding and lapping passes through the upper surface of a needling platform in a viscose felt needling technology; absorbing the viscose screen to contract towards the negative pressure running direction; when the viscose screen is contracted, needling the viscose screen after being contracted by a needle of an upper needle plate at the upper part of the needle platform. On the basis of the same needling density, conveying speed of the viscose and the needling frequency, the negative pressure makes the viscose screen realize the compact at first and then needle to make the connection of the viscose tight; the viscose volume in the unit volume is increased, and the volume density of the viscose felt after being needled is improved.

The invention discloses a laminboard socket rubber strip and an application node structure thereof. The laminboard socket rubber strip comprises a fixing part, a bending part and a filling part, wherein the fixing part is used for arranging screws in series and fixing the laminboard socket rubber strip at an end of a lower laminboard of a laminboard wall; the bending part comprises a first bending section and a second bending section, a first end of the first bending section is connected with an end of the fixing part, and the first bending section is perpendicular to the fixing part; a first end of the second bending section is connected to a second end of the first bending section, a second end of the second bending section extends for a certain distance in a direction far from the fixing part, and the second bending section is perpendicular to the first bending section; the filling part is connected to the second end of the second bending section and is perpendicular to the first bending section; side surfaces, close to the fixing part, of the filling part and the second bending section are located in the same plane, and the size of the filling part in the axial direction of the first bending section is larger than that of the second bending section in the axial direction of the first bending section.

The invention belongs to the field of metro station structure construction, and particularly relates to a metro station anti-floating beam construction method which is used for pouring an anti-floating beam in a space below a top beam on a station top plate and preventing a station main body structure from integrally floating due to the influence of water floating, and comprises the following steps: pre-burying two reinforcing steel bars and installing anti-floating beam reinforcing steel bars when the top beam is constructed; the method comprises the following steps: embedding three expansion bolts into a ground wall surface, mounting an anti-floating beam straight wall section formwork system, fixing a formwork by adopting an inner tie bar, erecting a vertical formwork system, mounting and fixing an over-irrigation area formwork, fixing an outer formwork system by adopting an inclined steel pipe and a steel bar, pouring anti-floating beam concrete in a layered manner, shoveling the over-irrigation area concrete, and dismounting the formwork system. The formwork structure is firm, the supporting structure is stable, and concrete pouring construction is facilitated. The method is reasonable in design and convenient to operate, the roof waterproof layer structure is not damaged, the anti-floating beam and the top beam bottom are tightly connected, and the effect is remarkable.