17 results about "Wall slip" patented technology

This invention belongs to the field of precision scientific instrument manufacturing and polymer material characterization technology. Specifically, it discloses a tensile testing system and analysis method for polymer elastomers with resistance to wall slip. The method includes the following steps: S1, preparing a defect-free annular polymer elastomer sample; S2, fitting the sample onto two parallel fixed rods of the tensile testing system in a floating contact fit without mechanical clamping; S3, placing the sample in a vacuum chamber; S4, applying periodic tensile deformation to the annular polymer elastomer sample; S5, acquiring the stress response signal of the annular polymer elastomer sample and performing spectral analysis to obtain even-order harmonic signals. This invention, employing the aforementioned tensile testing system and analysis method for polymer elastomers with resistance to wall slip, eliminates measurement artifacts introduced by geometric mismatch in hardware construction and overcomes the defect of misjudging even-order harmonics, providing a new high-sensitivity detection dimension for the characterization of the microstructure of polymer materials.

The utility model provides a container ventilator and a container with the same, the container comprises a box body side wall, the box body side wall is provided with a fastener hole and a first vent hole, the container ventilator comprises a connecting plate, a shell and a fastener, the connecting plate is provided with a through hole, and the connecting plate is used for being installed on the box body side wall and covering the first vent hole; the shell is arranged on the edge of the through hole of the connecting plate and protrudes outwards in the direction away from the connecting plate, a cavity is formed in the shell, and a second ventilation hole is formed in the bottom side wall of the shell; the fasteners and the connecting plate are integrally formed, and the fasteners are used for being inserted into the fastener holes. The container ventilator has the advantages that the installation of the container ventilator is quicker and more convenient, and meanwhile, the fasteners can be effectively prevented from sliding down from the fastener holes in the side wall of the container body in the moving process of the container, so that the normal operation of the next working procedure is ensured.

The invention relates to a coal bunker cylinder wall slip form construction method, which comprises the following steps of: respectively building scaffolds on the periphery of a coal bunker construction area, paving a support body on the top of the scaffolds, constructing a hopper structure of a coal bunker on the lower part of the inner side of the support body, and pre-burying a cylinder wall steel member on the support body on the outer wall of the hopper structure body after the hopper construction is completed. Pouring is conducted on the pre-buried steel member, a bottommost cylinder wall reinforced concrete layer is formed after pouring, and after the bottommost cylinder wall reinforced concrete layer is solidified, a slip form structural body is built on the outer wall of the bottommost cylinder wall reinforced concrete layer; when the sliding film structure body is repaired, maintained, mounted and dismounted, an independent space is provided, operation is convenient, and construction efficiency is improved.

The invention discloses a concrete surface layer instant repairing device for silo wall slip form construction of a cylindrical granary, which comprises an inner template and an outer template, an inner operation table is mounted on one side of the inner template, an outer operation table is mounted on one side of the outer template, a support frame is mounted on the inner operation table and the outer operation table, and a jack is mounted on the support frame. Upper guide rails are installed on the tops of the inner operation table and the outer operation table and movably connected with a storage box, movable plates are movably connected below the inner operation table and the outer operation table, one side of the storage box is connected with the movable plates through connecting rods, a hanging bracket is installed below the movable plates, and an extension plate is installed on one side of the hanging bracket. A rotating rod is rotationally arranged at the top of the extension plate, a mounting rod is arranged at the top of the rotating rod, and a mortar spray gun is mounted on the mounting rod. The installation number of the hanging brackets on the slip form can be reduced, constructors on the hanging brackets can conveniently repair defects in time, and the construction efficiency is improved.

The utility model relates to the technical field of building construction, in particular to an LNG storage tank wall slip form construction inner wall embedded part fixing device which comprises a slip form steel formwork and an inner wall embedded part, the inner wall embedded part is embedded in an LNG storage tank wall, and the inner wall of the slip form steel formwork is attached to the side wall of the LNG storage tank wall and can vertically slide along the LNG storage tank wall. The inner wall embedded part fixing device is suitable for fixing the inner wall embedded part in LNG storage tank wall sliding formwork construction, the problem of fixing the inner wall embedded part in the sliding formwork construction can be solved, and the construction efficiency and precision of the inner wall embedded part are further improved; the device is easy and fast to operate and low in cost, and the construction quality and progress are powerfully guaranteed; and on-site processing is convenient, and good popularization value is achieved in LNG storage tank wall sliding formwork construction.

The invention relates to the technical field of silo wall slip form construction, and discloses a silo wall slip form and silo top supporting device of a cylindrical granary and a construction method. The device comprises a supporting steel column on a profile steel base, the steel column is sleeved with a lifting device, the lifting device is connected with bailey beams distributed in the radial direction through connecting brackets, the outer ends of the bailey beams are connected with a sliding formwork platform through connecting pull rods, and a driving system communicates with the lifting device to drive the whole to ascend and descend. The supporting steel column is formed by splicing a basic section and a standard section, the bailey beam is formed by assembling standard parts and non-standard parts, and the sliding formwork platform comprises a profile steel frame shaped like a Chinese character'kou ', a steel formwork and a protective structure. During construction, the base is fixed, the steel columns are spliced, components are installed, the slip form platform is assembled and debugged in sequence, and after slip forms are completed, bailey beam end components are dismantled to be converted into a bin top supporting platform. Stable lifting is achieved through integrated driving, slip form deviation and silo wall structure damage are avoided, the silo top construction process is simplified, the safety risk is reduced, components are modularized and can be repeatedly used, and the construction efficiency is effectively improved.

The invention discloses a slip form construction device and method for a molded bushing for tunnel maintenance, and relates to the technical field of tunnel maintenance equipment. The system comprises a highway-railway dual-purpose carrying platform, a supporting mounting frame, a side wall slip form mechanism and a plurality of arch slip form mechanisms. The highway-railway dual-purpose carrying platform can be switched between a tunnel inner rail walking mode and a road surface walking mode, the side wall sliding formwork mechanisms are symmetrically arranged on the two sides of the supporting installation frame and comprise side wall formworks and first driving mechanisms, the first driving mechanisms drive the side wall formworks to be transversely unfolded or folded and vertically move in a sliding mode, and the arch sliding formwork mechanism is arranged at the top of the supporting installation frame. Comprising an arch-shaped formwork and a second driving mechanism, the second driving mechanism drives the arch-shaped formwork to ascend, descend, rotate in a pitching mode and stretch out and draw back in the radial direction, and the system effectively solves the problems that a large formwork is large in transportation space occupation, prone to interference with facilities in a tunnel and difficult to cross an overhead line system, can rapidly and mechanically construct formwork lining, flexibly adapts to different tunnel clearances and improves the construction efficiency. The construction efficiency is improved.

The utility model provides a reinforcing steel bar anti-toppling device for construction of a reducing tower wall slip form, which is arranged on a cross beam arranged along a radial axis in the slip form and a stand column arranged along a circumferential direction, and comprises a limiting plate which can move in the radial direction and is movably connected with the cross beam and a limiting connecting rod used for adjusting the distance between the limiting plate and the stand column, the number of the limiting plates and the limiting connecting rods is at least two, the limiting plates are internally provided with at least one pair of through holes arranged in the radial direction, the limiting connecting rods are internally provided with hinge parts and strip-shaped limiting holes, the hinge parts are hinged to the limiting plates, the stand columns are internally provided with fixing bolts, the fixing bolts are connected into the strip-shaped limiting holes, and at least two arc-shaped steel bars penetrate through the through holes to form a closed ring. The arc-shaped steel bars and the limiting plates on the two sides form a closed ring to limit the longitudinal steel bars in the slip form, the distance between the transverse sleeve and the stand column is adjusted by adjusting the connecting positions of the fixing bolts at different heights in the limiting holes, and the purpose of adjusting the limiting distance of the anti-toppling device according to the radius of the tower wall is achieved.

The application relates to a large-size thick-wall high-strength feeding drill rod and a preparation method thereof. The drill rod comprises an elongated drill rod female joint with a lifting clamp groove, a thick-wall slip clamp holding section, a drill rod pipe body, and a drill rod male joint. The end of the drill rod pipe body is provided with a thickened end. The drill rod pipe body is connected with the thick-wall slip clamp holding section, the drill rod male joint, and the elongated drill rod female joint with a lifting clamp groove through a welding mode. The yield strength of the drill rod pipe body and the thick-wall slip clamp holding section is 150-180 ksi. The yield strength of the drill rod male joint and the elongated drill rod female joint with a lifting clamp groove is 135 ksi-145 ksi. After the two ends of the drill rod pipe body are thickened, the thickened ends are respectively welded with the thick-wall slip clamp holding section and the drill rod male joint. Then, the elongated drill rod female joint with a lifting clamp groove is welded at the other end of the thick-wall slip clamp holding section. Finally, overall quenching and tempering heat treatment is carried out. The large-size thick-wall high-strength feeding drill rod manufactured through the application has high tensile strength and high lifting clamp lifting strength, and is suitable for drilling applications in super-deep wells and ocean deepwater wells.

The utility model discloses a heat absorption tower cylinder wall slip form construction reinforcement protection layer thickness maintaining device, and relates to the field of thickness maintaining devices. The utility model discloses a retaining device, the retaining device comprises a first sheet body and a second sheet body, the first sheet body and the second sheet body are arranged in an integrated structure, and the retaining device is provided with a bent arc sheet, a carrying groove, a clamping sheet and anti-skid lines, and the first sheet body and the second sheet body form an integrated right-angle structure. Not only is the stability of the device greatly enhanced, but also the installation process is greatly simplified, so that the right-angle structure can be tightly attached to the formwork and the reinforcing steel bar, the carrying groove in the inner side can be stably hung on the external formwork, and the clamping piece at the bottom end can be clamped and slid with the formwork, so that the formwork can be firmly fixed. The design of the anti-skid lines on the inner wall effectively prevents the device from falling off or loosening in the sliding process, the second sheet body is tightly connected with the external circumferential steel bar in an abutting mode through the accurate size design, and therefore the thickness of the steel bar protection layer can be accurately controlled.

The utility model discloses a hydraulic jack limiting device for tube wall slip-form construction of a heat absorption tower, and relates to the technical field of concrete tube wall slip-form construction. The lifting device comprises the hydraulic rod climbing rod and the elevation piece, the outer side of the hydraulic rod climbing rod is sleeved with two sets of limiting assemblies, through the limiting assemblies and the elevation piece, and through visual inspection of position changes of the elevation piece on the inner sides of the limiting assemblies, a constructor can visually judge whether the elevation of each jack deviates or not in the lifting process of the slip form, and therefore the construction efficiency is improved. Due to the fact that the elevation piece is tightly arranged on the hydraulic rod climbing rod in a sleeving mode, and the position of the elevation piece synchronously changes along with lifting of the hydraulic rod climbing rod, any elevation deviation can be directly reflected on the relative position of the elevation piece and the limiting assembly, the visual monitoring mode greatly simplifies the elevation control process in the construction process, and the construction efficiency is improved. By continuously observing the position change of the elevation piece, a constructor can timely find and correct any problem which may cause levelness deviation of the platform.

The application relates to the technical field of slip-form construction, in particular to a shallow round bin wall slip-form construction method. A lifting device is arranged on a lifting frame and used for lifting the formwork of the bin wall; the formwork of the bin wall is detachably hoisted below the lifting frame through the lifting device; one side of the formwork away from the bin wall is detachably connected with a surrounding ring; the slip-form construction method comprises a formwork replacement measure; the replacement measure comprises the following steps: S1, disconnecting the old formwork from the surrounding ring at the corresponding position; S2, simultaneously starting reverse rotation of the lifting device to keep the position of the old formwork unchanged until the old formwork is separated from the lifting frame; S3, disconnecting the old formwork from the lifting device and replacing the old formwork with a new formwork; and S4, starting forward rotation of the lifting device until the new formwork is reset and the new formwork is reconnected with the surrounding ring at the corresponding position. Through the above arrangement, the continuous influence of the bonding material on the inner side of the formwork on the concrete demolding effect can be avoided on the basis of the slip-form construction.

The utility model discloses a hard concrete test piece forming device which comprises a machine body, a sliding groove is formed in the middle of the top end of the machine body, a mounting plate is fixedly connected to the left side of the machine body, a servo motor is fixedly connected to the top of the mounting plate, and a cam is fixedly connected to the output end of the servo motor. A transmission strip is rotationally connected to the edge of the top end of the cam, a vibration plate is rotationally connected to the right side of the bottom end of the transmission strip, the bottom end of the vibration plate is slidably connected with the inner wall of the sliding groove, and a side plate is fixedly connected to the right side of the machine body. The vibration plate slides left and right in the sliding groove in the machine body, the servo motor drives the cam to rotate, the transmission strip moves and is connected with the vibration plate, the vibration plate achieves reciprocating vibration and promotes concrete filling, the damping columns are installed on the side plates, the damping springs are arranged on the outer walls of the damping columns and provide buffering for the vibration plate, and the concrete forming effect is guaranteed through the design. The structure is simple and stable, and working requirements are met.

The utility model discloses a heat absorption tower cylinder wall slip form construction detection system, which belongs to the field of heat absorption tower construction detection and comprises at least two laser calibration components and at least two positioning target plate components. The at least two positioning target plate assemblies are arranged on the periphery of the heat absorption tower sliding frame at intervals in the circumferential direction, and a steel support is used as a cantilever structure. The arrangement positions of the at least two laser calibration assemblies correspond to the positions of the at least two positioning target plate assemblies, and the irradiation direction of the laser calibration assemblies vertically faces the positioning target plate assemblies. The heat absorption tower cylinder wall slip form construction detection system can realize real-time and accurate detection and effective deviation correction of the heat absorption tower cylinder wall slip form construction process, ensures the construction quality and efficiency, and has wide application prospects.

The utility model relates to the technical field of insulated wires, in particular to an insulated wire with an anti-skid outer wall, which comprises an insulated wire body, a reinforcing component is mounted on the outer surface of the insulated wire body, and an anti-skid component is mounted on the outer surface of the reinforcing component. The reinforcing assembly comprises an anti-skid reinforcing sleeve, the anti-skid reinforcing sleeve is installed on the outer surface of the insulated wire body, an anti-skid gasket is installed on the inner side wall of the anti-skid reinforcing sleeve, and a groove is formed in the inner side wall of the anti-skid gasket. According to the utility model, the anti-skid gasket extrudes the elastic pad, so that the abutting ring can be stably attached to the outer surface of the insulated wire body, the insulated wire body can be attached and fixed through the abutting ring, the overall fixing effect is good, pressure can be relieved under the condition of pressure, and the service life of the insulated wire is prolonged. Under the condition of no pressure, the elastic pad extrudes the abutting ring, the abutting ring can be attached to the outer surface of the insulated wire body, and the insulated wire body can be reinforced.

The utility model belongs to cast-in-situ concrete formwork technology field, concretely relates to a water ditch inner partition wall slip form construction device, including hopper, slip form and sliding mechanism, slip form is carried on the sliding mechanism, the sliding mechanism straddles the water ditch, is supported on the roadbed of water ditch two sides, and the sliding mechanism can move along the water ditch, the slip form has the linear mould cavity that bottom is open, one end of front and back direction is open, the other end is closed, the linear mould cavity is divided into with the formed partition wall section and the section to be poured, the hopper is located the top of slip form's section to be poured, and the bottom discharge gate of hopper is connected with the top pouring gate of slip form, and the left and right sides of slip form are provided with sliding jacking mechanism, adopts continuous slip form pouring process, replaces the cumbersome process of traditional segmented formwork, the sliding mechanism can drive the slip form along the water ditch and continuously moves, realizes the one-time continuous forming of partition wall, saves the template handling, on -the -spot assembly, repeated measurement adjustment, dismounting and other large time -consuming links in traditional method.