128 results about "Release - action" patented technology

The invention discloses an adjustable oil damping electromagnetic release applied to a circuit breaker, and belongs to the technical field of release. Comprising an oil cup, an oil cup iron core capable of moving in the axial direction, a pole shoe arranged at the end of the oil cup and a first coil wound around the outer wall of the oil cup, and when the first coil is powered on, first electromagnetic force driving the oil cup iron core to move towards the pole shoe is generated; and the intelligent control module is arranged at the end part of the oil cup and is used for outputting controllable direct current to generate second electromagnetic force in the same direction or opposite direction as the first electromagnetic force, and the release has a rated current adjusting function and an overload protection adjusting function by adjusting the magnitude and the direction of the second electromagnetic force. The controllable second electromagnetic force is introduced into a traditional oil damping electromagnetic release, the rated current specification can be adjusted, the release action time can be adjusted, the advantage that the temperature stability of the oil damping release is good is reserved, and meanwhile the defect that the protection characteristic of the oil damping release cannot be adjusted is overcome.

The invention provides a battery box quick release device capable of being remotely controlled, which comprises a battery box, an upper bracket, a lower bracket, a locking mechanism, an executing mechanism and an air cylinder, the battery box is fixedly assembled on the upper bracket, the lower bracket is fixed on a vehicle carrier, and the upper bracket and the lower bracket are transversely and slidably connected through a sliding assembly; the locking mechanism is arranged on the lower bracket, the executing mechanism is arranged on the upper bracket, when the upper bracket transversely slides into the lower bracket, the locking mechanism can lock the executing mechanism, and the air cylinder is arranged on the lower bracket. When a vehicle battery box breaks out of fire and other faults occur, the function that a driver controls the air cylinder to be quickly released through a control system in a one-key mode can be achieved, and serious accidents are avoided. When a control system and an air cylinder fail, the quick release function can still be achieved by manually pulling the unlocking body. The sliding assemblies and the idler wheels arranged on the upper bracket and the lower bracket greatly reduce force needed in the releasing process, and therefore it is guaranteed that the releasing action is completed smoothly.

The invention relates to a rock tensile strength testing device and method. The rock tensile strength testing device comprises a bottom plate and guide columns which are mounted on the bottom plate and are symmetrically arranged, and a top plate is arranged at the ends of the guide columns; the distance adjusting and controlling assemblies are arranged on the bottom plate and the top plate correspondingly and connected with the guide columns, and lifting plates which are symmetrically arranged are connected to the distance adjusting and controlling assemblies; the supporting mechanism is arranged on the lifting plate, an arc-shaped plate is connected to the supporting mechanism, a clamping and releasing mechanism is arranged on the supporting mechanism, and clamping plates which are symmetrically arranged are connected to the clamping and releasing mechanism; the gradual change pressure applying mechanism is arranged on the lifting plate and connected with the supporting mechanism, the gradual change pressure applying assembly can drive the arc-shaped plate and the clamping and releasing mechanism to move through the supporting mechanism so as to control the clamping plate to execute the clamping or releasing action, and the tensile strength of the rock can be measured in a bidirectional pressure applying mode.

The invention relates to the field of robots, and discloses a slipping escape method and device and a self-moving robot, and the method comprises the steps: obtaining the operation state information of the self-moving robot, and judging whether the self-moving robot is in a slipping state or not according to the operation state information; if yes, the self-moving robot is controlled to execute an escape action; the escape action comprises a retreating action and an advancing action along an arc track. According to the method, compared with the mode that the self-moving robot self-rotates in situ to get out of trapping, larger friction force does not need to be provided on the ground, and the getting-out success rate is higher.

The utility model discloses a three-dimensional platform test tube clamping system which comprises a support, and a longitudinal track, a transverse track, a vertical track and a clamping jaw mechanism are arranged on the support. The clamping jaw mechanism comprises a clamping jaw main body and a clamping jaw assembly; the clamping jaw assembly comprises a clamping jaw support, a gear is rotationally matched with the clamping jaw support, two racks are connected to the gear in a meshed mode, the racks and the clamping jaw support are in linear sliding fit in the horizontal direction, and the two racks are parallel to the sliding direction of the clamping jaw support. Clamping jaws for grabbing test tubes are fixedly arranged at the bottom ends of the two racks; a grabbing motor used for driving the gear to rotate is arranged on the clamping jaw support. According to the utility model, the gear and the rack are used for driving the clamping jaws to carry out clamping motion, so that the linear clamping and loosening actions of the clamping jaws are ensured, the swinging space of the existing four-jaw manipulator is not needed, the operation in a narrow space is convenient, a test tube is easy to grab, the time required for grabbing the test tube is shortened, and the risk of sample damage is reduced.

The invention provides a rocket engine short-time high-pressure high-speed jet flow simulation system and method.The simulation system comprises a high-pressure air source, a high-pressure storage tank, a Laval nozzle, a quick release mechanism, a test cabin and a measurement and control system, and the quick release mechanism is arranged in the throat of the Laval nozzle; the quick release mechanism is used for sealing and releasing the high-pressure gas stored in the high-pressure storage tank, the quick release mechanism is controlled by the measurement and control system to execute the release action, the high-pressure gas generates high-pressure high-speed jet flow through the Laval nozzle and acts on a to-be-tested piece in the test cabin, and high-pressure high-speed jet flow simulation of the rocket engine is achieved. Compared with a traditional device and method, cold airflow (air and / or nitrogen) is used for simulation, and the safety is remarkably improved; jet flows under different working conditions can be simulated only by adjusting parameters of the high-pressure storage tank, and reproducibility is good; core physical characteristics of high pressure, high speed, high noise and the like of real rocket jet flow are effectively reproduced, and key support is provided for structural bearing and acoustic vibration environment adaptability assessment.

The invention relates to the technical field of massage equipment, in particular to a neck and shoulder kneading and clamping machine core. A neck and shoulder kneading and clamping machine core comprises a shell, two groups of shoulder clamping mechanisms and a driving mechanism for driving the shoulder clamping mechanisms to work are arranged in the shell, the driving mechanism comprises two transmission rods, each group of shoulder clamping mechanisms comprises a first clamping arm and a second clamping arm, the first clamping arm is arranged on one transmission rod, and the second clamping arm is arranged on the other transmission rod. The second clamping arm is arranged on the other transmission rod, and the first clamping arm and the second clamping arm are controlled by the transmission rods to conduct clamping and releasing actions. The device has the advantages that the cervical vertebra rubbing and clamping function and the shoulder clamping function are separated, and the real shoulder clamping function is further achieved.

The invention belongs to the technical field of memory bank testing equipment, and particularly relates to an automatic memory bank inserting, pulling and grabbing mechanism, device and method. By means of the automatic memory bank inserting and pulling grabbing mechanism, the problem that a large number of manual inserting and pulling tests are used in memory bank tests in the current market is solved, unified inserting and pulling actions can be guaranteed, damage to memory banks caused by non-standard inserting and pulling actions is effectively reduced, various problems caused by manual inserting and pulling are avoided, and the memory bank testing efficiency is improved. And the clamping jaw is used for executing automatic grabbing and releasing actions instead of manual work, so that 24-hour operation can be realized, and the testing efficiency is improved. The clamping and pushing springs are arranged on the two sides of the clamping jaw, so that the clamping mode of the clamping jaw is flexible pushing through the springs, it is guaranteed that the memory bank is clamped with proper force, and a product cannot be damaged by clamping.

This invention discloses a multi-level interlocking security device, including a base, a primary inertial safety mechanism, a secondary launch safety mechanism, a tertiary electromechanical safety mechanism, a first security seat, a second security seat, a PCB circuit board, and a release signal switch. The primary inertial safety mechanism can only release when the missile reaches a predetermined acceleration within the launch tube, achieving the required inertial force. The primary inertial safety mechanism can only release within the launch tube. If the missile does not reach the predetermined acceleration value within the launch tube, the secondary launch safety mechanism locks the primary inertial safety mechanism, preventing further release and preventing the secondary launch safety mechanism from completing its release action. The tertiary electromechanical safety mechanism can only release after the primary inertial safety mechanism and the secondary launch safety mechanism have released; otherwise, it will not release under any circumstances, ensuring the absolute safety of the missile.

The application provides a high-reliability flap type locking release device based on timing release, which comprises a locking seat, the top of the locking seat is provided with a flap, the flap comprises a horizontal plate, the top of the horizontal plate is provided with a stepped shaft, and the stepped shaft is provided with a screw hole. The device further comprises a vertical plate, the bottom of the vertical plate is connected with the top left side of the horizontal plate, and the left side wall top of the vertical plate is further connected with the right side wall of the fixed plate through a pin shaft. The device further comprises a vertically arranged locking screw, the locking screw can pass through the screw hole and can be locked by an unlocker, and the locking screw is further sequentially sleeved with an unlocking spring, an anti-dropping cap and a compression gasket from bottom to top. The pin shaft is further sleeved with a torsional spring, and a second torsional arm is pressed below the compression gasket. In the locking state, the torsional spring does not contact the flap and the second torsional arm limiting gasket. In the application, the sequence of the action of the torsional spring and the unlocking spring is designed, and the problem that the rotation and the release action interfere with each other and cause jamming caused by the simultaneous work of the torsional spring and the unlocking spring is solved.

The invention discloses a mechanical clamping jaw. The mechanical clamping jaw comprises a base installed on a rack. A first clamping jaw is arranged on one side of the base, a second clamping jaw is arranged on the other side of the base, a linkage plate is arranged between the first clamping jaw and the second clamping jaw, and a driving piece arranged on the base drives the linkage plate to move so that the first clamping jaw can move in the opposite direction or in the opposite direction. When the two clamping jaws move downwards along with the linkage plate, the first clamping jaw and the second clamping jaw are closed to clamp an empty barrel, and when the two clamping jaws move upwards along with the linkage plate, the first clamping jaw and the second clamping jaw are unfolded to release the empty barrel. On the basis, a mechanical mechanism is used for grabbing and releasing the empty barrel, particularly, the linkage plate is used for simply and conveniently driving the two clamping jaws to complete the clamping action and the releasing action along with the driving piece, the structure of the clamping jaws is simplified while the empty barrel is carried, and the clamping efficiency is improved. And the method is worthy of popularization and application.

This invention relates to the field of sewing machine technology, and discloses a thread-releasing and presser foot lifting mechanism for a sewing machine and a sewing machine. The mechanism includes a thread-releasing assembly for opening the thread clamp and a presser foot lifting assembly. The thread-releasing assembly includes a top plate rotatable around a pivot and a thread-releasing pin. The top plate is driven to rotate around the pivot by the presser foot lifting assembly, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. The presser foot assembly includes a presser foot rod and a presser foot. The presser foot lifting assembly includes an adjusting block fixedly mounted on the presser foot rod and a manual presser foot lifting component. A toggle block is provided on the rear side of the adjusting block. The presser foot assembly also includes an adjusting component for adjusting the presser foot lifting height and pressure. By using the top plate and the thread-releasing pin, when the presser foot is lifted by the presser foot lifting assembly, it is driven to rotate around the pivot, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. This ensures that the thread clamp automatically completes the thread-releasing action during the presser foot lifting process, thus simplifying the structure and improving working accuracy.

The application discloses a connecting device and a refrigeration equipment assembly. The connecting device comprises a connecting body, a connecting piece, a releasing piece and a pushing piece. The connecting piece is rotationally connected to the connecting body through a rotating shaft and comprises an abutting end and a releasing end. The releasing end is arranged at the other end of the rotating shaft away from the abutting end. The releasing piece is arranged on the connecting body and comprises a pushing block, a pushing rod and an engaging block connected in sequence. The pushing block is in abutment with the releasing end. The pushing piece is arranged on the connecting body and has a wedge surface for abutting with the engaging block. The pushing piece is used to drive the engaging block to move through the wedge surface, so that the releasing end is driven to move away from the connecting body through the pushing rod and the pushing block, and the abutting end is driven to move towards the connecting body. The application utilizes the structure cooperation of the wedge surface of the pushing piece and the multi-stage transmission of the releasing piece, realizes the accurate conversion from axial displacement to radial movement, and guarantees the smoothness of transmission and the synchronism of releasing action.

This invention discloses a clock-controlled delayed release device for coal mine boreholes, comprising, from back to front, an anchoring claw, a connecting cylinder, a mechanical clock, a release structure, and a cable connector. The anchoring claw includes a fixed rod with at least one anchoring structure. Each anchoring structure includes a first through groove on the fixed rod and a pair of symmetrically distributed first grooves on the fixed rod, with a second through groove between the pair of first grooves. The device utilizes the timing function of the mechanical clock to achieve delayed release of the cable connector. Furthermore, it uses the energy stored in the mechanical clock's spring to rotate a release cam via a worm gear reducer, thus releasing the cable connector. This allows for the timely retrieval of the cable lowered into the borehole, the sensor mounted on the cable, and the cable connector, solving the technical problem in existing coal mine boreholes where sensors cannot be released after anchoring.

The seabed base release device comprises a first seabed base and a second seabed base, a partition type thread body is connected with the first seabed base, the partition type thread body comprises a body and two sets of thread fan bodies, each set of thread fan body comprises at least three fan blades, and the at least three fan blades are arranged in the circumferential direction of the body at intervals; each fan blade comprises an assembly area and a guide area which are adjacent to each other, and the guide area is contracted; the connecting cabin is fixedly connected with the second seabed base, an assembling cavity is defined in the connecting cabin, two sets of threaded grooves are formed in the inner wall of the assembling cavity, the partition type threaded body is located in the assembling cavity, the partition type threaded body is rotated by a preset angle in the second direction, and the two sets of threaded fan bodies are separated from the two sets of threaded grooves; therefore, the first seabed base and the second seabed base are separated. The seabed base releasing device can quickly, stably and reliably execute the seabed base releasing action, and through limiting cooperation of the threaded body and the connecting cabin, disturbance of complex sea conditions to a measuring instrument can be reduced.

The utility model relates to a convalescent bed with a pedal brake, which has a bed body, four rollers are arranged at the lower part of the bed body, and brake mechanisms are arranged at the rollers. A linkage mechanism is arranged between the brake mechanisms at both ends of the bed body, and the brake comprises a brake pedal, a brake rod and a locking pressure block. The brake pedal is arranged at the end of the brake rod, and the brake rod is inserted in the locking pressure block, and can press the locking pressure block downward when rotating, and the locking pressure block can be pressed against the roller when pressed downward. Two brake mechanisms at the lower part of one end of the bed body share a brake rod, and the linkage mechanism comprises a linkage rod and a transmission block, and both ends of the linkage rod are connected to the brake rod of the corresponding side through the transmission block. The utility model sets a linkage mechanism between the brake mechanisms, and when in use, the brake mechanisms at the four rollers perform braking and releasing actions synchronously, which is more convenient to use, and can fix the four rollers in one action, and the fixation is also more stable.

The application provides an automatic brake control system, method and urban rail train. The system comprises brake control devices and brake release train lines corresponding to bogies of the train. Each brake control device comprises a brake non-release state normally open node, a forced release electromagnetic piston valve and an electronic control unit. The brake non-release state normally open node is connected with the positive pole of the brake release train line at one end and connected with the forced release electromagnetic piston valve in the brake control device at the other end. The electronic control unit is used for controlling the brake non-release state normally open node in the brake control device to be closed after detecting a brake non-release fault, so that the forced release electromagnetic piston valve in the brake control device is powered to perform a brake release action. The application can realize self-repair of the brake non-release fault, thereby shortening the positive line fault processing time, reducing train delay or delay caused by the brake non-release fault, improving train operation efficiency and operation service quality.

The utility model belongs to the technical field of material carrying, and relates to a wire coil clamp for a truss robot, which comprises a base, two claws arranged on the base in a sliding manner, and a driving mechanism for driving the two claws to move in the same direction or opposite directions so as to realize the grabbing or releasing action, the opposite sides of the two hook claws are provided with positioning pins and buffering pads, the positioning pins are matched with center holes in the left side and the right side of a wire coil, the driving mechanism comprises two air cylinder assemblies correspondingly connected with the two hook claws, and each air cylinder assembly comprises an air cylinder body and an electromagnetic valve used for driving the air cylinder body. A piston rod of the air cylinder body is connected with a hook claw through a floating connector, and the air cylinder body is further connected with an in-place sensor and a speed regulating valve. According to the utility model, the stability of materials in the operation process is improved, the safety of material carrying is improved, meanwhile, a higher operation speed is supported, and the device has the advantages of being compact in structure, stable, reliable, convenient, effective, efficient, safe and the like, and improving the material turnover efficiency.

The invention relates to the technical field of geological exploration, and particularly discloses an automatic mast locking and releasing device for a drilling machine. The mast is arranged on the drilling machine and can rotate based on one end of the drilling machine; the support frame is used for being mounted with the drilling machine; the locking and releasing mechanism is arranged on the supporting frame and is used for driving a locking plate to lock or release the mast; a locking base is arranged at the bottom of the end, away from the end connected with the drilling machine, of the mast. The locking plate is arranged at one end of the top of the locking and releasing mechanism, and the locking and releasing mechanism is used for locking or releasing the mast by driving the locking plate to be clamped with or released from the locking seat; the problems that locking of an existing hydraulic oil cylinder is prone to failure, and manual iron wire binding is tedious and prone to errors can be solved in a targeted mode, stable locking of the head of the mast and the vertical beam of the front supporting frame during driving is achieved through an automatic locking structure, and equipment damage and maintenance cost caused by vibration and impact are avoided.

The invention provides a double-sided polishing pad replacing device and method and equipment, and the device comprises a telescopic arm unit which comprises a driving unit and a telescopic arm main body, the first end of the telescopic arm main body is connected to the driving unit, and the second end of the telescopic arm main body can reciprocate in the first direction relative to the first end; the support unit can synchronously move along with the second end so as to enter or move out of the space between the upper fixed disc and the lower fixed disc; the cutting tool unit is arranged on the support unit and comprises a first tool with a cutting edge facing the upper fixed disc and a second tool with a cutting edge facing the lower fixed disc; the grabbing unit comprises a first grabbing assembly and a second grabbing assembly, and the first grabbing assembly and the second grabbing assembly can execute grabbing or releasing actions; and the control unit is used for controlling the working states of the telescopic arm unit and the first grabbing assembly. According to the double-sided polishing pad replacement device, method and equipment, manual operation during replacement of the double-sided polishing pad can be reduced, and the operation difficulty and potential safety hazards are reduced.

The present invention discloses a terminal pressing mechanism. It includes a transverse conveying track and a longitudinal conveying track. The outlet of the longitudinal conveying track is connected with a plug-in pressing assembly located above the transverse conveying track. A pressing mechanism for pressing the plug-in and the plastic base is arranged on the side of the plug-in pressing assembly. The plug-in entering the plug-in pressing assembly can be pressed and inserted into the plastic base by the pressing mechanism. The advantages are: the plug-in pressing assembly can be directly used to press the plug-in onto the plastic base. The structural design is very clever and compact, easy and simple to implement, and the cost of the entire equipment is very low. The plug-in can be accurately conveyed to the plug-in station, which improves the accuracy and reliability of the plug-in. At the same time, the structural design of the elastic component further improves the reliability of the pressing action, and the positional relationship between the two blocks is cleverly used to support or release the plug-in. The action is simple and easy to implement and the action reliability is good.

The utility model provides a product transfer device, which comprises a jacking mechanism, a lifting mechanism, a lifting mechanism and a lifting mechanism, wherein the jacking mechanism is used for jacking a material sheet which is conveyed to a clamping station by a runner to a first height, and the jacking mechanism is positioned below the runner; the clamping jaw comprises at least one pair of jaw parts and a driving unit; the jaw parts are used for clamping the two opposite sides of the material sheet; the driving unit is used for driving the jaw parts to execute clamping or releasing actions; and the moving mechanism is used for moving the clamping jaw to a second height right above the material sheet located at the clamping station and moving the clamping jaw to enable the supporting edge to just support the material sheet in the clamping action process of the jaw part. According to the utility model, the problem that the vacuum chuck is difficult to carry out effective adsorption or the adsorption effect is poor is solved, and the ever-increasing process requirements are met.

The invention belongs to the technical field of control circuits, and particularly relates to a pneumatic deicing indication system and method for a fixed-wing aircraft. The pneumatic deicing system performs deicing by adopting the retracting and releasing actions of the deicing sleeve, and the deicing sleeve is controlled to be inflated and deflated by controlling the on-off of the deicing electromagnetic valve. Pneumatic deicing indication information and a control instruction are accessed to a comprehensive management computer, fault discrimination is realized through logical operation, and state indication or fault alarm is carried out in a text form.

The invention discloses an anti-skid fixing table for a vibration test product, and belongs to the field of vibration tests. Comprising a vibration testing machine, and a clamping mechanism is arranged on the upper surface of the vibration testing machine; a plurality of adjusting mechanisms are arranged on the two sides of the vibration testing machine; a control mechanism is arranged behind the vibration testing machine; the clamping mechanism comprises a mounting plate, the bottom of the mounting plate and the top of the vibration testing machine are fixedly mounted, and vertical rods are fixedly connected to the two sides of the upper surface of the mounting plate in a front-back symmetry manner; according to the device, through the design of the multiple sets of clamping units of the clamping mechanism, the limitation that an existing fixing support can only conduct clamping testing on a single product is broken through, in the clamping mechanism, multiple sets of sliding rods and clamping plates correspond to independent clamping areas, multiple to-be-tested products can be placed and fixed at the same time, and the testing efficiency is improved. And all the clamping units are linked with a mechanical transmission system through the same hydraulic loop, so that clamping and releasing actions can be synchronously completed.

The application discloses a circuit breaker integrated with an adjustable hydraulic release device, and contains a circuit breaker body with an embedded adjustable hydraulic release device, a release drive mechanism and a main contact system. The adjustable hydraulic release device comprises a release device body and an intelligent control module; the release device body is provided with an oil cup, an axially movable oil cup core, an armature, a first coil and an armature, and the armature is linked with the release drive mechanism. When the first coil is electrified, a first electromagnetic force is generated, the oil cup core is pushed to move towards the armature, and finally the armature is attracted to trigger a release action to break the circuit. The intelligent control module is located at the end of the oil cup, can generate a second electromagnetic force acting on the oil cup core in the same direction or in the opposite direction of the first electromagnetic force, and realizes rated current regulation and overload protection regulation. The design not only overcomes the problem that the protection characteristics of the traditional hydraulic electromagnetic release device are fixed, but also changes the equivalent synthetic ampere-turns by using the controllable second electromagnetic force, flexibly adjusts the rated current, and meets different equipment requirements.

The application discloses an electromechanical brake, a brake system and a vehicle, which comprise an assembling shell, two motors, a speed reduction and torque increasing mechanism and a brake executing mechanism. The two motors are arranged in the assembling shell. The speed reduction and torque increasing mechanism is arranged in the assembling shell and is in transmission connection with the output ends of the two motors. The brake executing mechanism is arranged in the assembling shell and is in transmission connection with the speed reduction and torque increasing mechanism, so as to execute a brake action or a release action according to the transmission movement of the speed reduction and torque increasing mechanism. According to the application, the two motors are in transmission connection with one speed reduction and torque increasing mechanism, so that the power of the two motors only needs to be transmitted to the brake executing mechanism through one speed reduction and torque increasing mechanism to drive the brake executing mechanism to execute the brake or release action, and the speed reduction and torque increasing mechanism does not need to be arranged for the two motors respectively and individually, and a coupling mechanism for coupling the transmission movements of the two motors does not need to be additionally arranged, so that the structure of the electromechanical brake is effectively simplified, the number of parts is reduced and the assembly difficulty is reduced.

The utility model is suitable for the technical field of gravity stoppers, and provides a line body gravity stopper which comprises an assembly seat, a stopping plate and a buffering mechanism. The buffer mechanism comprises a connecting rod arranged on the outer side of the barrier plate; side baffles are arranged on the sides, away from the barrier plates, of the connecting rods; the reset springs are arranged on the other sides of the side baffles, the buffer plate is arranged on the other sides of the reset springs, and a flexible pad is arranged on the outer side of the buffer plate; according to the utility model, the line body tray is allowed to advance at a proper speed, so that the stopping and releasing actions are accurately controlled, accidents caused by withdrawing of the line body tray are prevented, the accuracy and the stability of the conveying process are ensured, and the risk caused by too high speed is reduced; when the line body tray is in contact with the stopper, the buffer mechanism not only reduces the speed of the line body tray, but also reduces the impact force during collision, and ensures that the line body tray can be stably stopped after collision, so that the design effectively protects the line body tray and other equipment on a production line, and prolongs the service life.