34results about How to "Guarantee docking quality" patented technology

The present invention discloses one kind of butt-jointing platform with several freedom degrees, and the butt-jointing platform is one self-regulating mechanical butt-jointing platform with adaptive control system. The self-regulating mechanical butt-jointing platform includes one support platform, one work platform and three planar regulating mechanisms in the same structure. It features that three planar regulating mechanisms and one servo mechanism set between the support platform and the work platform are distributed to form one square, and that three vertical regulating mechanisms in the same structure on the support platform are distributed to form one triangle. The present invention features the self adapting function including measuring the butt-jointing position and angle between the butt-jointed body and the butt-jointed cavity and regulating the position and angle automatically to ensure high butt-jointing quality and effect.

The invention provides a bent pipe welding, positioning and locking device. The device comprises a base; a first support base, a second support base and a bent pipe positioning mechanism are mounted on the base in sequence from right to left side by side; a branch pipe positioning mechanism is mounted between the first support base and the second support base; a first locking fixture is mounted onthe second support base; the bent pipe positioning mechanism is mounted on the left side of the second support base; and a second locking fixture is fixed on the side wall of the bent pipe positioning mechanism, and is positioned below a positioning and locking block. The bent pipe welding, positioning and locking device can realize quick positioning and butt joint of pipe fittings with differentshapes and guarantee the butt joint quality through presetting the first support base, the second support base, the first locking fixture, the bent pipe positioning mechanism and the second locking fixture; the branch pipe positioning mechanism can guarantee welding angles of a branch pipe with a first pipe tube and a second pipe tube to meet requirements; and the first locking fixture and the second locking fixture can realize quick locking of a straight pipe and the second pipe tube.

The invention relates to an integral pushing erection method for truss girders. The method comprises the following steps: splicing the truss girders, and enabling the two spliced truss girders (a left girder and a right girder) to be connected through a horizontal connecting steel pipe so that the integrated truss girders are formed; installing continuous-action jacks, installing a working platform between the two truss girders, and enabling two sides of the working platform to be respectively provided with one continuous-action jack; installing steel strands, enabling at least one steel strand to penetrate through the inside of the continuous-action jack of each side, enabling one ends of the steel strands to be anchored on bridge piers in front of the truss girders, and enabling the other ends of the steel strands to droop naturally; pushing and horizontally moving the truss girders, enabling the truss girders to pass across the bridge piers; and enabling horizontal jacks to be further installed at the tops of the bridge piers so that horizontal movement of the truss girders can be achieved. By the integral pushing erection method for the truss girders, the inverted triangular truss girders can be integrally pulled in place, the assembly difficulty is reduced, safety and efficiency are improved, the horizontal movement alignment is accurate, and butt joint quality of the truss girders is guaranteed.

The invention provides a full steel framework enhanced plug type composite pipe and a manufacture technology thereof. The composite pipe comprises a main framework semi-product and an auxiliary framework semi-product which are respectively manufactured through a casting or stamping process, an injection molding process and a plastic spraying process, wherein the end parts of the semi-products are connected with each other, so as to form a product; the outer layer of the main framework is a plug main pipe outer wall formed by combining a front large tapered wall and a rear cylindrical wall with a middle small tapered wall; the plug main pipe inner wall comprises a plug cavity and a flow cavity; and a group of grooves are formed in the inner cavity of the main framework. Through the adoption of the technical scheme, the composite pipe has the advantages that the separation caused during the connection of conventional composite pipes due to different thermal expansion coefficients is avoided, so as not to enlarge the non roundness of the joints; fast stress crack, which is caused easily during welding, is reduced; the butting quality is guaranteed; defects such as water leakage, gas leakage, liquid leakage and the like caused by the connection of crack parts, which is longer than the length of a pipe plugging device, are overcome; and the composite pipe is suitable to serve as a connection pipe for various water conveying projects and gas conveying projects, and is particularly suitable for serving as an interchangeable connection plug for a plastic pipe made of PE, PVC-U, PVC-M or the like and a ductile cast iron pipe.

The invention discloses a tube bundle device of a lug bend, and aims to provide the tube bundle device of the lug bend capable of effectively preventing tube cracks, the tube bundle device of the lug bend is characterized by comprising a collecting box, a through tube is arranged at the top end of the collecting box, and a bending device is further arranged between the collecting box and the through tube; the bending device comprises an outlet formed in the top end of the collecting box and a bent pipe arranged at the outlet, the bent pipe comprises a first pipeline connected with the outlet and a second pipeline connected with the through pipe, and inward grooves are further formed in the two sides of the first pipeline.

The invention relates to a quartz rod butt joint table which comprises a base.. The table comprises a first mounting table, wherein the lower surface of the first mounting table is connected with thebase and first mounting table can slide in the first horizontal direction relative to the base, the upper surface of the first mounting table is connected with the lower end of a first elastic element, and the upper end of the first elastic element is used for being connected with a first quartz rod; a second mounting table, wherein the lower surface of the table is connected with the base; the upper surface of the second mounting table is connected with the lower end of a second elastic element, the upper end of the second elastic element is used for being connected with a second quartz rod,the second mounting table and the first mounting table are adjacently arranged in the first horizontal direction, and one end of the first quartz rod faces the second quartz rod. Edge breakage probability in the quartz rod butt joint process can be reduced, and the butt joint quality of the quartz rods and the light homogenizing effect of the quartz rods are guaranteed.

The invention provides a steel pile afloat joining limiter and a use method thereof. The limiter comprises flange plates, vertical connecting plates and a puller bolt; each flange plate comprises twosemi-circular-ring steel plates, the connecting ends of the two semi-circular-ring steel plates are connected through an arc connecting plate, the two ends of the arc connecting plate are in bolt connection with the two semi-circular-ring steel plates correspondingly, the flange plates are arranged in an upper and lower layer manner, the vertical connecting plates are located between the flange plates on the two layers, the vertical connecting plates are divided into an inner ring and an outer ring, the inner ring of the vertical connecting plates comprises multiple vertical connecting platesevenly distributed around the circumference of the inner circle of the flange plates, the outer ring of the vertical connecting plates comprises multiple vertical connecting plates evenly distributedaround the circumference of the outer circle of the flange plates, an upper nut and a lower nut are welded to each vertical connecting plate of the inner ring, and the puller bolt is screwed with thenuts and penetrates the vertical connecting plates. The construction need that other components are not welded to the outer surface of a steel pile is met, the good effect on adjusting of the ovalityof the steel pile deforming due to clamping of a vibratory hammer is achieved, and the steel pile abut-joint quality is ensured.

The invention discloses a pipe flanging device and method applicable to a fiber composite pipeline. The device comprises two movable frames which are symmetrically arranged; shaping molds are arrangedon the two movable frames respectively and are symmetrically arranged; the shaping molds comprise pressing molds and pressing plates which are all in a semi-annular shape; the pressing molds are fixed on the movable frames on the corresponding sides; the pressing plates are connected with axial ends of the pressing molds and are driven by squeezing driving members to make squeezing motion; the shaping molds on the two movable frames are closed and sleeve on a pipe to be flanged; the two pressing plates are combined into a complete annular shape; and the two pressing molds are combined into acomplete annular shape and a flanging cavity which is in a complete annular shape is formed between the two pressing molds. According to the device and method, the split shaping molds form flanging atthe opening of the pipe, feeding and discharging of the pipe are convenient, and effective positioning and flanging operation of the pipe can be realized; and the flanging shaping quality of the pipeis excellent, so the butt-joint cost of pipes can be effectively lowered, the construction difficulty is lowered and the butt-joint quality of the pipes is guaranteed.

The invention relates to a sectional transportation and on-site butt joint process for a portal frame of a tire crane. The sectional transportation and on-site butt joint process structurally comprises a main beam and support legs, and is characterized by comprising a tire crane portal frame sectional transportation process and a sectional tire crane portal frame on-site butt joint process. The main beam and the support legs are cut into sections at reasonable positions and then transported and ensured to reach a container yard of a user, cutting lines of panels and webs are staggered by 120-260 mm, and welding flange plates are assembled at the sectional lines of the panels, so that rapid and smooth alignment and splicing in the later period are facilitated; reasonable internal and external welding and up and down welding methods are adopted during on-site splicing, so that the butt joint quality is ensured, the problem of deformation easily generated in sectional butt joint is prevented, and the butt joint construction progress is promoted.