19results about How to "Achieve stop" patented technology

The invention relates to the technical field of compressed air, in particular to a method and system for automatically starting and stopping a compressed air source, and the method comprises the steps: monitoring an air pressure value in real time through an intelligent monitoring module, and timely responding to the air pressure change; the air pressure value data collected by the intelligent monitoring module is compared with a preset limit value, and starting and stopping of the compressor are intelligently decided; the air pressure in the air storage tank is judged in real time through the automatic starting and stopping compressed air source system, and the compressor is controlled to be automatically started and stopped; the automatic control level of the control system is integrated and improved through coordination control of compressed air; by adding the air source purification module, the water removal, oil removal and dust removal effects of the drying machine are enhanced, and the air source quality is improved; and the operation time of the compressor is optimized according to historical data and real-time requirements. The method has the beneficial effects that the compressor is automatically started or stopped according to the actual air pressure requirement, energy consumption is reduced, automatic starting and stopping of the compressor are achieved, and continuity and stability of air source supply under different air using requirements are ensured.

The utility model discloses an adjustable blood transfusion support which comprises a base, a stand column is arranged above the base, a plurality of threaded rods are arranged in the stand column, threads of the threaded rods are bidirectional reciprocating threads, a driving device is arranged on the side edge of each threaded rod, and each driving device comprises a first gear matched with the corresponding threaded rod in a threaded mode and a handle driving the first gear to rotate. A braking device capable of preventing the driving device from rotating is arranged on the stand column and comprises a lock bolt and a rotating handle for pushing the lock bolt to move up and down; the top end of the threaded rod is sleeved with a hook, and the joint of the hook and the threaded rod is slidably connected with the stand column. A containing cavity for containing the driving device and the braking device is formed in the stand column, and sliding grooves allowing the threaded rod and the hook to move up and down are formed in the side faces of the stand column. The height of different blood bags can be adjusted by adjusting the heights of the hooks at different positions, so that convenience and rapidness are achieved, and blood transfusion of other patients cannot be affected.

The present invention provides a stopper and a folding wingtip stopper structure, which relates to the technical field of aircraft structure design, and can achieve impact load buffering and secondary stop when the folding wingtip is opened to the corresponding position, and can also give an electrical signal to guide the locking action according to the stop situation; the stopper includes a main body structure and a stopper cover, and when stopping, the stopper cover is connected to the main body structure to achieve stop; the main body structure includes an elastic part and a non-elastic part, the elastic part is used to buffer the impact load transmitted by the stopper cover when stopping, and the non-elastic part is used to achieve the final stop positioning; the non-elastic part is an inner hollow structure shell with an opening at one end, and the elastic part is arranged in the shell; the stopper cover includes a contact layer and a stopper layer; the contact layer and the elastic part are contacted and compressed, and the stopper layer is stop-connected to the shell; the elastic part includes a piezoelectric layer, and is connected to an external device with a signal line. The technical solution provided by the present invention is applicable to the process of folding wingtip stop.

The invention discloses an electromagnetic braking and overspeed protection integrated lift car and lift, and relates to the technical field of mine hoistway lifts.The electromagnetic braking and overspeed protection integrated lift car comprises a car body arranged in the middle of two first rails and further comprises electromagnetic braking assemblies used for braking the car body, and the electromagnetic braking assemblies are arranged on the two sides of the car body; the electromagnetic braking assembly comprises first shells fixedly connected to the outer walls of the two sides of the compartment body, the outer walls of the two sides of the first shells are fixedly connected with expansion shells, and the expansion shells communicate with the first shells. The stopping capacity of the compartment body is improved, the elevator can stably stop at a higher speed during descending or ascending, and therefore the purpose of efficiently conveying materials and the like during mine operation is achieved.

The invention relates to an advanced liquefied air energy storage system coupled with various cold and hot electric energy and an operation method. The system comprises a compressor subsystem, a liquefaction subsystem, an expansion machine subsystem, a heat storage subsystem and an external energy subsystem. The compressor subsystem is connected with the liquefaction subsystem; the liquefaction subsystem is connected with the expansion machine subsystem at the same time; the compressor subsystem is bidirectionally connected with the heat storage subsystem at the same time to realize transmission of heat energy or cold energy; the expansion machine subsystem is bidirectionally connected with the heat storage subsystem at the same time to realize transmission of heat energy or cold energy; and the external energy subsystem is bidirectionally connected with the heat storage subsystem to realize energy exchange of external heat energy or cold energy. According to the system, cold energy and electric energy released by the external energy subsystem, cold energy and heat energy of the liquefaction compression system, compression heat energy of the hydrogen liquefaction system and other energy are fully utilized, cyclic utilization of the cold energy, the heat energy and the electric energy is achieved, and the overall comprehensive efficiency of the system is greatly improved.

The invention discloses a benthonic animal capturing device, and relates to the technical field of aquatic animal capturing. The rope coiling device comprises a first shell, a coiling block arranged in the first shell and a handle arranged outside the first shell, and a coiled rope is wound on the coiling block; the rope controller comprises a second shell and a plurality of friction rings which are sequentially distributed in the second shell from top to bottom, all the friction rings are coaxial, the coiled rope penetrates through the second shell and all the friction rings, and the coiled rope makes friction contact with the friction rings; the top end of the ground cage is connected with the spiral rope, and an inlet is formed in the side wall of the ground cage; and the balancing weight is connected with the bottom end of the ground cage through a traction rope. According to the benthonic animal capturing device, automatic sinking and stopping of the ground cage can be achieved, it is ensured that the ground cage is in an unfolded state at the water bottom, it is ensured that the ground cage can accurately sink to the bottom of a water area, and the capturing efficiency of benthonic animals is improved.

This utility model discloses an ultra-long substrate carrier and an SMT assembly machine capable of processing ultra-long substrates. The ultra-long substrate carrier includes a rectangular carrier plate. A support portion is formed at the center of the top surface of the carrier plate, and a first mounting surface is formed around the support portion. The first mounting surface is enclosed by two long plate surfaces and two short plate surfaces, and several positioning portions are provided on the two long plate surfaces. By setting multiple positioning portions on the carrier, the ultra-long substrate is loaded onto the carrier, and the substrate no longer directly contacts the transport track. The transport track is stopped by any set of positioning portions blocking a sensor on the transport track, thus stopping and positioning the substrate. Multiple sets of positioning portions enable multiple stops for ultra-long substrate mounting. This allows the SMT assembly machine to produce ultra-long substrates in multiple batches, enabling the production of substrates exceeding the machine's rated size. This eliminates the need to purchase equipment with multiple rated sizes, reducing enterprise costs.

This application relates to the field of cutting tool technology, and provides a metal cutting tool with a vibration damping component, comprising a tool head and a tool shank. The tool head includes an insert and a shank, the insert being mounted on the shank, and the shank being mounted on the tool shank. A first vibration chamber is formed in the shank, and a second vibration chamber is formed in the tool shank. The first and second vibration chambers are in communication. A first damping block is disposed in the first vibration chamber, and a second damping block is disposed in the second vibration chamber. An abutment block and a first telescopic spring are disposed between the first and second damping blocks. Based on this, the first and second damping blocks move under the action of damping oil, and the abutment block and the first telescopic spring achieve a buffering effect of mutual collision, absorbing and canceling the vibration energy, thereby eliminating vibration energy and achieving the effect of vibration reduction.

The utility model relates to the technical field of ship maintenance, and discloses a ship bottom attachment cleaning device for ship maintenance, which comprises a protective shell and a spray pipe, a rotating shaft is arranged in the center of the bottom of the protective shell, fixing shafts are arranged on two sides of the rotating shaft, a magnetic suction roller is arranged at one end of each fixing shaft, and a fixing plate is arranged on the outer wall of each fixing shaft. A servo motor is arranged on one side of the fixing plate, synchronous belt pulleys are arranged at one end of the servo motor and one end of the magnetic suction roller, and a synchronous belt is arranged between the synchronous belt pulleys. In the cleaning process, the synchronous belt pulleys are driven by the servo motor to rotate, and the magnetic suction roller is driven to rotate through transmission of the synchronous belt; forward rotation, reverse rotation and stopping of the magnetic attraction rolling wheels are achieved by controlling the servo motors on the two sides to stop in a forward rotation and reverse rotation mode, so that operation of moving, turning and stopping of the whole device on the outer side of the ship bottom is achieved, and self-moving type high-pressure rotary flushing and cleaning of attachments on the ship bottom are achieved.

The utility model provides an automatic drainage control circuit for a sump. The automatic drainage control circuit comprises a power supply, an alternating current contactor and a water pump motor which are positioned on a main loop, the first liquid level sensor, the second liquid level sensor and the interlocking switch are located on a control loop; the main loop is connected with the control loop in parallel; a power supply on the main loop is connected with a water pump motor after sequentially passing through a main contact of an alternating-current contactor and a thermal element of a thermal relay, and is connected in series with the water pump motor through the main contact of the alternating-current contactor; a first liquid level sensor on the control loop is connected in series with the automatic end of the interlocking switch; the second liquid level sensor is connected in parallel with the manual end of the interlocking switch; the first liquid level sensor and the second liquid level sensor are connected in series. When the automatic drainage device works, the interlocking switch is used for controlling the automatic control input and output of the liquid level sensor, automatic drainage of the water pump is achieved, the gradient of a pipeline does not need to be considered, and automatic starting and stopping of the water pump motor are achieved through the interlocking switch.

The utility model discloses an expanded water tank of a commercial water maker, which belongs to the technical field of air water makers and comprises a tank body, a water inlet pipe and a water outlet pipe are mounted on the tank body, and a filter component for filtering liquid entering the tank body is mounted in the water inlet pipe. The water inlet pipe is provided with a water inlet amount control system which is used for communicating with an external air water generator and controlling the amount of water entering the box body so as to control the working time of the air water generator, and the water outlet pipe is provided with a water outlet system used for controlling water outlet. Water tank expansion for the air water generator can be realized.

The utility model provides a device for accurately controlling the operation of an electric chain hoist. According to the device, a connecting end cover is fixedly installed at the end of an electric chain hoist, a synchronous two-stage speed reducer is fixedly installed on the connecting end cover, a waterproof shell, an encoder power module and an absolute value rotary encoder are fixedly installed on an installation frame, the installation frame is fixedly installed on a tail cover, and the two ends of the waterproof shell are installed on the connecting end cover and the installation frame respectively. And a waterproof cable joint and a control cable are fixedly arranged at the lower part of the waterproof shell, and an output shaft of the electric chain hoist is connected with the synchronous secondary speed reducer. According to the device, the rotary encoder is used for counting, the encoder transmits a numerical value to the control cabinet, when a feedback value is equal to an input value, the control cabinet cuts off a power supply of the electric chain hoist, the electric chain hoist stops running, the device is reasonable in design, easy and convenient to operate and high in automation degree, and the operation and control difficulty of operators is reduced.

The utility model provides a device for accurately controlling the operation of the winch. According to the device, a connecting end cover is fixedly installed at the end of a rotating wheel disc, a synchronous speed reducer is fixedly installed on the connecting end cover, an absolute value rotating encoder is fixedly installed at the tail of the synchronous speed reducer, a waterproof shell is sleeved outside the synchronous speed reducer, a power module is fixedly installed on a mounting frame, and the mounting frame is fixedly installed on a waterproof tail cover. The two ends of the waterproof shell are installed on the connecting end cover and the installation frame respectively, the waterproof cable connector is fixedly installed on the waterproof shell, the control cable is connected with the waterproof cable connector, and the rotating shaft of the rotating wheel disc is connected with the synchronous speed reducer. According to the device, after the rotating speed of the rotating wheel disc is synchronized through the synchronous speed reducer, the rotating wheel disc is counted through the absolute value rotating encoder, the position of the rotating wheel disc is confirmed by reading and comparing the numerical value of the absolute value rotating encoder, remote centralized control can be achieved, one control cabinet can control operation of multiple winches at the same time, design is reasonable, and operation is convenient. Operation is simple and convenient.

The application discloses a T-shaped anchor bolt mounting device and method, which comprises an anchor plate, a sleeve welded above the anchor plate for mounting a T-shaped anchor bolt, a stop and anti-sinking device welded below the anchor plate, and a sealing box welded below the anchor plate for isolating concrete; a rectangular through hole slightly larger than the T-shaped head of the T-shaped anchor bolt is formed on the anchor plate, so that the T-shaped head of the T-shaped anchor bolt can pass through the rectangular through hole at an angle coinciding with the rectangular through hole; the stop and anti-sinking device is a U-shaped round steel, and both ends of the U-shaped round steel are welded at the edges of two long sides of the rectangular through hole, so that the T-shaped head will be in contact with the U-shaped round steel after rotating a certain angle to pass through the rectangular through hole, thereby preventing the T-shaped head from continuing to rotate and preventing the T-shaped anchor bolt from sinking into the box bottom. The application has the advantages of simple structure, low manufacturing cost, convenient operation during hoisting and fixing, no need to hold the T-shaped anchor bolt by hand all the time, and good safety.

The utility model discloses a metal coil surface polishing and grinding device which comprises an installation machine frame, material clamping and pressing assemblies are installed on the left side and the right side of the installation machine frame respectively, a polishing and grinding assembly is installed on the rear side of the installation machine frame, a control assembly is installed on one side of the installation machine frame, and each material clamping and pressing assembly comprises a material clamping and pressing installation base. The material clamping and pressing installation base is fixedly installed on the side portion of the installation rack, a left material clamping roller bearing assembly, a right material clamping roller bearing assembly, an upper material pressing roller assembly and a lower material pressing roller assembly are installed on the material clamping and pressing installation base, the polishing and grinding assembly comprises a dovetail sliding block installation plate, and the dovetail sliding block installation plate is fixedly installed on the rear side of the installation rack. A dovetail sliding block is installed on the side portion of the dovetail sliding block installation plate, a polishing and grinding wheel main motor is installed on the side portion of the dovetail sliding block, and one end of the polishing and grinding wheel main motor is connected with a belt wheel. The speed of the polishing and grinding head can be automatically adjusted according to the speed of an assembly line, automatic starting and stopping can be achieved through linkage with the assembly line, manual intervention on machinery is reduced, and convenience is improved.

This utility model belongs to the field of low-voltage electrical technology and discloses an electromagnetic starter, including a housing assembly, a stop operation button, a thermal relay, and a button assembly. The housing assembly has an installation space; the stop operation button is located on the housing assembly and is used to accept operation to stop the electromagnetic starter; the thermal relay is located in the installation space and has a stop button for stopping the thermal relay and a reset button for resetting the thermal relay; the button assembly is movably located on the housing assembly, with its first end for accepting a pressing operation, and its second end extending into the installation space and having a pushing part that can push against the stop button and the reset button. This electromagnetic starter can reduce the frequency of use of the button assembly for resetting and stopping the thermal relay, optimize the force condition of the button assembly when pressed, and improve the service life of the button assembly and the thermal relay.

The utility model discloses a kind of electric box turning on-feeding machine, belong to material conveying equipment technical field, including rack, rack inside slide is equipped with turnover material frame, and material frame is fixed on turnover material frame;Rack side wall connects arc rail frame, driving assembly is equipped between the two, and driving assembly includes motor, gear, chain etc., driving assembly can control turnover material frame lifting and overturning along arc rail frame by motor, arc rail frame bottom end and terminal are equipped with lower limit inductor and upper limit inductor respectively, can automatically control motor start-stop, realize automatic feeding cycle, the utility model realizes material automatic material feeding, reduce labor intensity, improve efficiency, and automatic limit control improves equipment security.

The invention relates to the technical field of joint simulation, and particularly discloses an FMI standard-based joint simulation method between cloud chaining tool one-dimensional models, which comprises the following steps of: reading all FMU description XML (Extensible Markup Language) files and global coupling configuration files, performing model analysis on an FMU meeting the FMI standard, instantiating the FMU, initializing the FMU, and configuring simulation; operation of continuous state variable derivative obtaining, time synchronization, input vector setting, continuous state variable updating, event monitoring vector obtaining, continuous state vector re-obtaining and output vector updating is carried out in each instantiated FMU, global state control and data control among the multiple FMUs are carried out, and time sequence data are obtained and stored in real time; the generated data are stored, and distributed joint simulation is carried out on incompatible FMUs; and terminating simulation, analyzing the model instance and releasing the memory. According to the method, accurate synchronization of simulation time is realized, including fixed step synchronization and event-driven synchronization mechanisms, so as to adapt to the requirements of different simulation tasks.

The invention provides a drilling equipment control method and system, and relates to the technical field of trigger control, and the method comprises the steps: obtaining the position of a trigger of drilling equipment when the drilling equipment is started; according to the trigger value corresponding to the trigger position, the position interval where the trigger position is located is determined; when the position interval is a preset free interval, the rotating speed of the motor is controlled according to the proportion corresponding to the trigger value so as to adjust the running speed of the equipment; and when the position interval is the preset self-locking interval, the motor is controlled to run at full speed, and the trigger is controlled to be self-locked or unlocked according to the continuous pressing state of the trigger. According to the control method, the burden of pressing the trigger for a long time by an operator is relieved, and the cutting quality problem caused by sudden shutdown of the motor during mechanical unlocking is avoided.