12results about How to "Realize self-resetting" patented technology

The invention discloses a self-resetting steel reinforced concrete frame with a swing wall and an assembly method thereof. Compared with a traditional reinforced concrete structure, the steel-reinforced concrete structure has the advantages of being large in bearing capacity, large in rigidity, good in anti-seismic performance and the like. The system comprises three parts, namely steel-reinforced concrete frames on the left side and the right side and a swing wall YBQ in the middle, wherein the steel-reinforced concrete frames on the left side and the right side comprise two steel-reinforced concrete columns and two steel-reinforced concrete beams; the steel-reinforced concrete column is connected with the steel-reinforced concrete beam through the beam-column joint LJD; the swing wall YBQ is connected with the frames on the two sides through the four flexible supports ZC. A column base joint ZJD is arranged at the bottom of the steel-reinforced concrete column and connected with a foundation through a foundation bolt. Under a horizontal earthquake, the swing column, the energy dissipation beam column joint and the swing wall act together, the anti-seismic capacity and the self-resetting capacity of the structure can be greatly improved, and meanwhile the energy dissipation joint is easy to install and can also be replaced after being damaged.

The invention discloses a root locking mechanism applied to a spatial extension arm, which is used for locking a supporting disc and a sleeve of the spatial extension arm, the supporting disc is perpendicular to the axial direction of the sleeve, and the root locking mechanism is characterized by comprising a locking mechanism unit, an anti-overturning mechanism assembly and a structural locking groove in the inner wall of the sleeve, wherein the four anti-overturning mechanism assemblies are installed on the four locking mechanism units in a one-to-one correspondence mode, one ends of the four anti-overturning mechanism assemblies make contact with the inner wall of the sleeve, and a supporting effect is provided for the root locking mechanism; the bottom ends of the four locking mechanism units and the four corners of the supporting disc are installed in a one-to-one correspondence mode. Four structure locking grooves are evenly distributed in the inner wall of the sleeve and matched with the upper ends of the four locking mechanism units for locking. The locking device has the advantages of being compact in structure, stable and reliable in the working process, high in locking rigidity, convenient to unlock, capable of being repeatedly used and the like.

The utility model relates to the field of earthquake resistance of steel structures, and discloses an assembled self-resetting steel column base capable of quickly recovering after an earthquake, which comprises a base and a section steel column arranged on the base, the section steel column comprises a wing plate and a web plate arranged in the middle of the wing plate, a cantilever plate is arranged at the end part of the wing plate of the section steel column, and a damper is arranged on the cantilever plate. The damper is connected with the cantilever plate and the base; a shear plate is arranged at the contact part of the web and the base, special-shaped angle steel is arranged at the contact part of the wing plate and the base, a friction plate is arranged on the side, away from the special-shaped angle steel, of the wing plate, and holes for bolts to insert are formed in the shear plate and the special-shaped angle steel; the damper comprises a cylinder and a first base arranged at the end of the cylinder, a hollow cavity is formed in the cylinder, a spring is arranged at the end, close to the first base, in the cavity, a second base is arranged below the spring and penetrates through the cylinder, and shape memory alloy is arranged in the space between the second base and the inner wall of the cylinder. The steel column base is high in anti-seismic performance, capable of automatically resetting in an earthquake and capable of quickly recovering after the earthquake.

The invention provides a kind of vibration control technology field, and provides a multi-stage energy dissipation self-resetting damping device, comprising: a viscoelastic damper and a friction damper; the viscoelastic damper comprises a first connecting member, a second connecting member and a viscoelastic body; the second connecting member is movably arranged on the first connecting member along the vibration direction, and the first connecting member is connected to the second connecting member through the viscoelastic body; the friction damper comprises a clamping member, an elastic component and two oppositely arranged cover plates; a groove is provided on a side of the clamping member close to the cover plate, and a protrusion is provided on a side of the cover plate close to the clamping member; the protrusion abuts against the groove through the elastic component; along the vibration direction, the groove depth of the groove gradually decreases from the middle of the groove to both ends, and the second connecting member is connected to the clamping member; the invention can meet the vibration reduction requirements under small earthquakes and the vibration reduction requirements under large earthquakes through the series connection of the viscoelastic damper and the friction damper, so as to realize multi-stage energy dissipation and have good self-resetting performance.

The utility model relates to the technical field of in-vitro diagnosis, and provides a full-automatic integrated digital PCR analyzer which comprises a shell, a chip warehousing module, a chip carrying module, a PCR amplification module and a chip reading module, and a normally-closed cabin door is arranged on the shell; the normally-closed bin door, the chip bin entering module and the PCR amplification module are sequentially and adjacently arranged in the first direction, the chip carrying module and the chip reading module are adjacently arranged in the first direction, the chip reading module and the chip bin entering module are adjacently arranged in the second direction, and the chip carrying module and the PCR amplification module are adjacently arranged in the second direction; the chip warehouse entering module is used for bearing a chip carrier and conveying the chip carrier into the shell or conveying the chip carrier out of the shell through the normally-closed warehouse door. The chip carrying module is used for clamping the chip carrier to move in the first direction, the second direction or the third direction, and the first direction, the second direction and the third direction are perpendicular to one another. The device is compact in structure, achieves full-automatic operation, and improves the experiment efficiency.

The invention relates to the technical field of machine vision detection, and provides a vision detection device and method for a special-shaped injection molding part, the vision detection device comprises a plurality of chain plates, a limiting cylinder, a lifting part, a first detection camera and a second detection camera, and the plurality of chain plates are hinged; the limiting cylinder is arranged on the chain plate, and the chain plate is provided with a through hole corresponding to the limiting cylinder; one end of the lifting piece is arranged in the limiting cylinder, and the other end of the lifting piece penetrates through the chain plate; the first detection camera corresponds to the opening of the limiting cylinder; the second detection camera is arranged on one side of the limiting cylinder. According to the detection device disclosed by the invention, the top surface of the special-shaped workpiece can be conveniently detected through the first detection camera, and the bottom surface of the special-shaped workpiece can be detected through the second detection camera, so that the detection comprehensiveness is effectively improved; meanwhile, the special-shaped workpiece can be driven to move through the chain plate, so that the detection efficiency is improved; due to the fact that the structure is integrally integrated and concise, the structure has the advantage of being low in application cost.

The invention discloses a buckling restrained brace with a locking device, and relates to the technical field of buckling restrained braces.The buckling restrained brace is characterized in that a restraining component of the buckling restrained brace is arranged on the outer side of an energy consumption core in a sleeving mode, end plates comprise the bottom end plate and the top end plate, and the restraining component and the energy consumption core are welded to the bottom end plate; the energy consumption core and the end sleeve are welded to the top end plate. The locking device is fixed on the inner side of the end sleeve; the two limiting pieces are fixed to the outer side of the restraining component, and the locking device is located between the two limiting pieces. When the locking device moves along with the end sleeve and makes contact with any limiting piece on the two sides, the locking device returns to the initial zero position under the reciprocating earthquake effect, the locking device plays a locking role, and the relative movement of the end sleeve and the restraining component is limited. A reciprocating action mechanism of an earthquake load is combined with a locking device to realize self-resetting. After the locking device is triggered, the supporting rigidity and the bearing capacity are remarkably improved.

The present invention belongs to the technical field of electric power equipment, and specifically relates to a self-compensating J-type wire clamp installer. The present invention includes a positioning installation part, and a striking part is arranged at the positioning installation part. The striking part includes a screw sleeve arranged coaxially with the object to be rotated, and the screw sleeve is driven by a striking motor to generate a coaxial rotational motion relative to the object to be rotated; the installer also includes a compensation component; the compensation component includes a transmission shaft coaxially fixed to the output shaft of the striking motor, and an outer guide sleeve is provided on the outer coaxial sleeve of the transmission shaft, and a non-rotating fit is formed between the outer guide sleeve and the transmission shaft, and the screw sleeve is coaxially assembled at the top of the outer guide sleeve; the compensation component also includes an elastic member that drives the outer guide sleeve to generate an axial upward motion relative to the transmission shaft. The present invention can make the J-type wire clamp always move synchronously with the nut of the tightening nut or the tightening screw during the parallel installation process until the wire clamp is completely paralleled and clamped, which greatly improves the safety of use and the actual installation efficiency of the wire clamp.

The invention relates to the technical field of monitoring devices, in particular to a monitoring device for electric vehicle charging facility operation. Comprising a monitoring shell and further comprises a hoisting protection mechanism installed at the top of the monitoring shell and used for conducting anti-seismic and anti-collision protection on the monitoring shell, a movement guiding component installed in the monitoring shell, a vibration frame capable of reciprocating in the axis direction of the monitoring shell, and an inner rotating shaft and an outer rotating cylinder which are rotationally connected to the movement guiding component, the vibrating frame is slidably connected with the monitoring shell, and a rotating frame is installed at the bottom end of the inner rotating shaft. The monitoring device has the beneficial effects that when the monitoring device is used, on one hand, self-maintenance and self-cleaning maintenance of the lens can be realized, and on the other hand, the monitoring device has anti-collision and anti-vibration functions during use, so that the use safety of the monitoring device is effectively improved; moreover, the monitoring device can effectively reduce the dust deposition rate of a camera shooting surface, and achieves the multi-angle and multi-surface synchronous monitoring during the operation of the charging station.

The utility model discloses a boosting device of a charging quick-plug connector, and belongs to the technical field of connector boosting. A boosting device of a charging quick-plug connector is installed between a connecting base and a connecting piece, one end of the connecting base is used for being connected with an electric box, and the other end of the connecting base is connected with the connecting piece in an inserted mode. The boosting device comprises a boosting handle and a boosting block; the boosting handle is rotationally connected with the end, close to the connecting piece, of the connecting base. The inner side wall of the boosting handle is provided with a sliding assisting groove. An opening of the sliding assisting groove is positioned on the lower side edge of the boosting handle; a boosting block is arranged at the outer end of the connecting piece; the opening of the sliding assisting groove is larger than the size of the boosting block; when the boosting handle is pressed down and installed, the boosting block and the inner wall, away from the connecting base, of the boosting sliding groove keep sliding connection and are attached to and abut against the inner wall. The sliding assisting groove is far away from the inner wall of the connecting base and arranged in the rotation track range of the opening of the sliding assisting groove. The connecting piece can be connected in an abutting mode without intervention of too much manpower, and labor is saved and convenience is achieved.

The utility model discloses a kind of quick centering mechanism of pressing plate applied to laminated plate milling, including the backplate installed on laminated plate milling crossbeam, the front end surface of the backplate is provided with lower pressure mechanism, the lower pressure mechanism bottom is provided with pressing plate support, the top center of the pressing plate support is equipped with centering guide ring, centering cylinder is installed on the lower pressure mechanism above the centering guide ring, the output end of the centering cylinder is equipped with the centering rod that can move up and down along the centering guide ring, the lower end of the centering rod is provided with conical surface, the upper edge of the inner ring of the centering guide ring is provided with the guide slope surface with the same angle of the conical surface, when the conical surface moves downward and inserts into the centering guide ring, the centering guide ring and the conical surface are coaxially arranged, for realizing the centering operation of the pressing plate support. The design scheme proposed by the utility model, the centering operation of pressing plate support is realized using pure mechanical structure, high efficiency, high precision, stable and reliable.

The embodiment of the invention provides a bidirectional rolling pendulum type tuned mass damper which comprises an inertia mass sliding block, an annular conductor plate arranged on the lower portion of the inertia mass sliding block, a sliding support installed below the inertia mass sliding block, a ball guide rail arranged in the sliding support and permanent magnets arranged in a circumferential mode. The sliding support is fixed on a limiting and mounting base, and a limiting rubber pad for preventing the inertial mass block from sliding out is mounted on the limiting and mounting base. A first arc-shaped structure is arranged at the bottom of the inertial mass sliding block, a second arc-shaped structure consistent with the curvature of the first arc-shaped structure is arranged at the top of the sliding support, and the inertial mass sliding block is supported by a ball guide rail in the sliding support and can freely slide in a concave spherical surface at the top of the sliding support. The rigidity of the damper is achieved through gravity restoring force of the inertia mass sliding block, energy is consumed through friction and eddy current damping, and the structure is simple and economical.