13results about How to "Avoid destabilization" patented technology

The utility model relates to the technical field of quickly-spliced aluminum alloy formworks, and discloses a quickly-spliced aluminum alloy formwork which comprises a main machine body, connecting assemblies and auxiliary fixing assemblies, the connecting assemblies are clamped in the main machine body, and the auxiliary fixing assemblies are distributed in a matrix mode and installed on the two sides of the outer wall of the main machine body; the connecting assembly is arranged, so that a specific splicing groove or a splicing hole can be formed conveniently so as to be quickly connected with other parts, an elastic abutting plate can abut against a front clamping block only by pushing a push rod, the front clamping block is clamped in a groove hole, and a rear elastic abutting plate can also play a certain supporting and fixing role; and an auxiliary fixing assembly and a wear-resistant layer are arranged, the situation that the stability of the device is reduced after an internal connecting assembly goes wrong in the working process of the device is avoided, the hardness and wear resistance of the surface of the device can be remarkably improved through the wear-resistant layer, and the service life is prolonged.

This utility model relates to a prefabricated balcony structure and railing. The prefabricated balcony structure includes a main unit, a base unit, a snap-fit ​​unit, and two docking units. Its advantages are: the main unit and base unit provide an installation benchmark for the railing structure, ensuring basic alignment without repeated fine-tuning, facilitating subsequent installation and fixing; the snap-fit ​​unit engages with the railing structure and base unit via pre-set snap-fit ​​blocks, achieving initial fixing of the railing structure, significantly reducing the cyclical operation of "trial installation-disassembly-re-fixing" in traditional installation, making the installation process simpler and more efficient; the base unit and snap-fit ​​unit work together to restrict the horizontal displacement of the railing structure from the bottom; and the docking units rigidly connect to the railing structure from the side or top, forming a double fixing of "bottom snap-fit ​​+ side or top docking," distributing the stress on the railing structure and preventing stability loss due to single-point loosening after long-term use.

The invention discloses a machine room fault operation and maintenance system and method based on the Internet of Things, and relates to the technical field of machine room fault operation and maintaining.The machine room fault operation and maintenance system comprises a machine room monitoring module, a server and an execution terminal.The machine room fault operation and maintenance system conducts joint monitoring analysis on a tape library and an optical disc library, makes up for the defects in the prior art, guarantees data backup and recovery, and improves the reliability of machine room fault operation and maintenance. According to the method and the system, whether the tape library and the optical disc library of the machine room are abnormal or not is judged in the server when the machine room controls the tape library and the optical disc library, so that the data access efficiency is improved, and the security risk is reduced. Therefore, the operation efficiency of the whole system is improved, the fault occurrence rate of the tape library and the optical disc library is reduced, and system stability reduction is avoided. Normal operation of the industry of the machine room is maintained, and data loss or damage is avoided.

The utility model discloses a kind of switching of sequencer and sequencer system device. Sequencer includes sequencing equipment and sequencing controller;Switching device includes: power-on instruction input circuit;Switching control circuit, its first input end is electrically connected with power-on instruction input circuit;Power supply control circuit, its control end is electrically connected with the output end of switching control circuit, its input end is electrically connected with alternating voltage source, and its output end is electrically connected with the power supply end of sequencing equipment and the power supply end of sequencing controller respectively;And voltage detection circuit, its input end is electrically connected with the working signal end of sequencing controller, and its output end is electrically connected with the second input end of switching control circuit. The present scheme realizes sequencing equipment and sequencing controller stable switching simultaneously, avoids the system stability failure caused by sequencing controller abnormal power-down.

The invention relates to the field of pulse power supplies, in particular to a nanosecond pulse power supply which comprises a PCB, a control module, a driving module, an upper tube unit and a lower tube unit are arranged on the PCB, and the driving module comprises a driving chip U5, a diode D1 and a resistor R1. The driving end of the control module is electrically connected with the high-side logic input end and the low-side logic input end of the driving chip U5, the upper tube unit is electrically connected between the high-side driving end and the high-side suspension ground of the driving chip U5, and the low-side driving end of the driving chip U5 is electrically connected with the lower tube unit. The power source ground ends of the lower tube unit and the driving chip U5 are both grounded, the driving wiring paths of the upper tube unit and the lower tube unit on the PCB are the same, an equal impedance structure is adopted, signal control transmission delay caused by inconsistent impedance is avoided, and the rising and falling time of starting is shortened.

The present invention relates to the technical field of transformer welding devices, and specifically to an automatic welding device for transformer brackets, comprising a base, a cylinder, a clamping mechanism, a circular ring plate and a cover plate. The present invention fixes a cross arm on an upper end face of the base through a clamping unit on the base and makes the symmetry axis of the cross arm collinear with the center line of the base, then adjusts the left and right spacing between the two brackets in cooperation with an alignment component through a driving unit and synchronously clamps and fixes the two brackets, then drives the two clamped and fixed brackets to fit and fix with the cross arm by the driving unit, so that the staff can conveniently perform welding and fixing. The two brackets always keep horizontal alignment and perpendicular to the cross arm during the welding process, reducing the probability that the voltage transformer cannot be installed due to the tilt between the bracket and the cross arm, and the symmetry axis of the clamped cross arm and the center line of the two brackets perpendicular to the length direction of the bracket are collinear, reducing the problem of uneven force on the installed voltage transformer due to the tilt between the cross arm and the bracket, resulting in reduced stability.

The invention discloses a bridge pile foundation protection device for bridge construction, and relates to the technical field of pile foundation protection. The bridge pile foundation is sleeved with the outer protection mechanism, the outer protection mechanism is formed by connecting two symmetrically-arranged outer protection assemblies in a clamped mode, the bridge pile foundation is sleeved with the inner protection mechanism, the inner protection mechanism is installed on the inner side of the outer protection mechanism, and the inner protection mechanism comprises two cushion layer installation assemblies which are symmetrically arranged and connected in a clamped mode. An inner protection pad is wound between the two pad layer installation assemblies, the gravity locking mechanism is coaxially installed in the outer protection assembly, a threaded structure is arranged on the circumferential side face of the gravity pushing and pressing rod, and a gravity pressure bearing part is fixedly arranged at the top of the gravity pushing and pressing rod. The gravity bearing part is pressed downwards through gravity until the gravity bearing part abuts against the top of the outer extending seat, so that the radial locking part continues to move until the radial locking part abuts against the inner protection pad, the inner protection pad is tightly attached to the bridge pile foundation, and the protection effect on the bridge pile foundation can be greatly improved in an inner and outer protection mode.

The present invention provides a magnetic suspension bearing assembly, a motor and a compressor. The magnetic suspension bearing assembly includes a housing; a permanent magnet assembly is arranged in the housing; a first stator assembly is arranged in the housing and is located on a first side of the permanent magnet assembly; a second stator assembly is arranged in the housing and is located on a second side of the permanent magnet assembly, and the second stator assembly is arranged opposite to the first stator assembly; a rotating shaft is sequentially arranged in the first stator assembly, the permanent magnet assembly and the second stator assembly; the permanent magnet assembly generates a bias magnetic field, and the control magnetic field controls the rotating shaft to perform translational motion along the Y axis, rotation around the Y axis, translational motion along the X axis, rotation around the X axis and / or translational motion along the Z axis by adjusting the bias magnetic field, the X axis and the Y axis are along the radial direction of the rotating shaft, and the Z axis is the axial direction of the rotating shaft. The magnetic suspension bearing assembly adopting this structure has a compact structure, can effectively shorten the axial length of the magnetic suspension, and the structure is simple and has good stability.

The utility model discloses an autoclaved aerated concrete building block, which relates to the technical field of building materials, and comprises an autoclaved aerated concrete building block body, a bulge is integrally formed on the side wall of the autoclaved aerated concrete building block body, the side wall of the autoclaved aerated concrete building block body is concavely provided with a groove, and the groove is matched with the bulge in structure; when the autoclaved aerated concrete block body is connected, the water absorption sponge expands to be in extrusion contact with the interior of the insertion groove, so that a gap between the insertion groove and the insertion plate is filled, the stability of the whole structure when the upper and lower groups of autoclaved aerated concrete block bodies are connected is improved, and the situation that the whole stability is reduced during connection due to a smaller gap between the insertion plate and the insertion groove is avoided; the concrete is in contact with the absorbent cotton on the side wall of the insertion plate, and the absorbent cotton absorbs water and can reduce the water content in the concrete.

The utility model relates to the technical field of robots, and discloses an adaptive base structure which comprises a movable base, a fixed frame, a bidirectional driving motor, a first shaft, a first gear, a second shaft and a second gear. The middle part of the upper part of the movable base is welded with the fixed frame; the inner bottom of the fixed frame is in bolted connection with a bidirectional driving motor; the output ends of the two sides of the bidirectional driving motor are connected with one end of a first shaft, and one end of the first shaft is arranged in a bearing of the fixing frame. The second shaft is horizontally arranged above the first gear; the two ends of the second shaft are connected with the second gear in a clamped mode. Through the arrangement of the fixed frame, the bidirectional driving motor, the first shaft, the first gear, the second shaft and the second gear, when facing an inclined road surface, equipment above can be always kept in a vertical state through angle adjustment, and stability reduction caused by deviation is prevented.

The utility model relates to printing equipment technical field discloses an ink box that reduces bubble production, including the shell, the bottom fixedly connected with servo motor of shell, the output fixedly connected with the rotating column of servo motor, the inside top wall both sides of shell rotatable connection have the rotating rod, the outer wall bottom of rotating column with two rotating rod all fixedly connected with drive bevel gear, the inside wall rear side both ends of shell all fixedly connected with fixed sleeve, the inside wall rotatable connection of fixed sleeve has the rotating rod, the left and right ends of rotating rod all fixedly connected with driven bevel gear. In the utility model, through the rotation of rotating column, make under the meshing connection of drive bevel gear and corresponding driven bevel gear, two rotating rods synchronous rotation, and then multiple stirring leaves synchronous rotation, make can carry out even mixing to the ink of shell inside top end, reduced the bubble content in the ink, improved the printing quality.

This invention belongs to the field of AC / DC hybrid distribution network operation and control technology. A method for autonomous and mutual-assistance operation of AC / DC hybrid distribution networks based on flexible multi-state switches includes the following steps: Step S1: Calculate the comprehensive stability index of each node; Step S2: Monitor the comprehensive stability index in real time; Step S3: In the autonomous mode, the SOP within each zone adopts an AC / DC power decoupling control strategy based on dynamic virtual impedance; Step S4: When the power deficit of a zone exceeds a preset proportion of the zone's rated load and the duration exceeds a preset time threshold, the mutual-assistance mode is activated; Step S5: When a system fault occurs, a fault recovery strategy based on model predictive control is adopted; Step S6: Monitor the communication status between the global coordination unit and the control units of each zone in real time. This achieves safe, stable, efficient, and economical system operation, reduces communication dependence, and improves power supply reliability.