157 results about "Closed state" patented technology

Window assembly (160) with: a fixed panel (170) defining an opening; a rail (224) attached to the fixed panel (170); a guide (300) provided on the rail (224) and defining grooves (320, 330); a shoe (310) which overlaps at least partially with the guide (300) and defines slots; and a movement panel (180) supported by the shoe (310) and interacting with the guide (300) through pins extending through the slots and into the grooves (320, 330) such that the slots, together with the grooves (320, 330), cause the movement panel (180) to slide within the slots and with respect to the fixed panel (170) between a closed state in which the movement panel (180) blocks the opening and is substantially aligned with the fixed panel (170), and an open state in which the movement panel (180) clears the opening.

The utility model discloses a locking type primary and secondary fusion ring main unit which comprises a box body, a box door, a locking piece, a matching locking block, a driving block, a locking stretching block, a driving component and a position detection component. Compared with the prior art, the utility model has the following advantages and effects: the double box doors are closed through the matching of the locking block and the matching locking block, the driving component controls the driving block to move to the first position or the second position, when the driving block stays at the first position, the locking stretching block stretches into the matching locking block, and when the driving block stays at the second position, the locking stretching block can stretch into the matching locking block; the two box doors are kept in a closed state through the contact of the two box doors; when the driving block stays at the second position, the locking extension block is separated from the matched locking block, so that the two box doors are released from the closed state; and the detection component can detect that the driving block stays at the first position or the second position, so that the problem of lack of state feedback in the prior art is solved.

The invention discloses a small light-weight hanging rope type inspection robot, and relates to the technical field of inspection robots, the small light-weight hanging rope type inspection robot comprises an inspection robot main body, a hanging rod is arranged at the top end of the inspection robot main body, a rope clip is welded to the top end of the hanging rod, and the rope clip is located right above the inspection robot main body; the cross section of the rope clip is in an arc shape, and the two ends of the rope clip are each provided with a closed structure. The fixing sleeve and the rope clip form a closed state, it is ensured that a rope of the inspection robot cannot be separated from the interior of the rope clip, the robot is safe during inspection, the rope is limited to the gap between the pressing grooves, it is ensured that the rope can be firmly fixed between the two fixing blocks, the rope can abut against the deformation groove, and the rope can be fixed to the deformation groove. The shape of the deformation groove is enlarged through the pressing block, the deformation groove can be prevented from being shrunk due to extrusion of the rope, the rope can be clamped between the middle grooves, and the rope is prevented from loosening from the interior of the rope clip.

The invention discloses a power equipment insulation fault early warning method and system based on machine learning, and relates to the technical field of fault early warning, and the method comprises the following steps: constructing a time sequence connection relation graph of discharge pulses based on a multi-point discharge time sequence set in an insulation structure; identifying a discharge closed loop based on the time sequence connection relation graph, and constructing a closed loop evolution sequence according to a time sequence; by taking the evolution sequence as a training target, constructing a machine learning prediction model for predicting the closing trend of the discharge path; and based on the prediction model, predicting a discharge path closing state of the target power equipment during future operation, and outputting an insulation fault early warning signal based on a prediction result. According to the invention, the insulation fault early warning signal is generated by identifying the closed loop and predicting the closing trend of the discharge path, so that the problem that the prior art only depends on the discharge intensity and is difficult to accurately warn the insulation fault is solved.

The utility model relates to the field of automobile parts, in particular to an electric tail door display stand which comprises a stand body, a tail door, a self-suction lock, an electric supporting rod and a buffer rod, the stand body, a tail door containing space formed by the stand body and an electric containing space formed by the stand body are combined to form a cuboid capable of being contained in a trunk, and when the tail door is in a closed state, the self-suction lock is locked by the electric supporting rod. The tail door is completely stored in the tail door storage space, a lock body of the self-suction lock is arranged at the turning-up end of the tail door, when the lock body of the self-suction lock is turned over along with the tail door till the lock body is sucked into the lock catch, the tail door enters a closed state, one end of the electric supporting rod is rotatably connected to the top of the back plate, and the other end of the electric supporting rod is rotatably connected to the turning-up end of the tail door so as to push the tail door. The buffer pad is abutted by the turning-up end of the tail door which is about to be closed and in a closed state so as to simulate a buffer rubber strip on an automobile. The technical problem that in the prior art, an electric tail gate is either inconvenient to carry or cannot completely display the action of the tail gate is solved.

The utility model discloses a protective door of a numerical control machine tool, which comprises a machine tool body and a protective door, and is characterized in that a first guide rail and a second guide rail are respectively arranged on the outer side of the machine tool body, the first guide rail and the second guide rail are coaxially arranged, and the protective door is slidably arranged on the first guide rail and the second guide rail. A baffle is rotationally arranged on one side of the machine tool body and located at one end of the first guide rail or the second guide rail, a connecting component capable of driving the baffle to be kept in a closed state is arranged on the machine tool body, and the protective door is prevented from being movably separated from the first guide rail and the second guide rail through the closed state of the baffle. When the protective door needs to be disassembled for maintenance or replaced, the protective door can be directly moved to be disassembled and taken out from the ends of the first guide rail and the second guide rail, and when the protective door is normally used, the protective door can be effectively prevented from being disassembled and disengaged through matching limiting of the baffle and the connecting component, and the limiting effect of normal sliding of the protective door is achieved.

The utility model discloses an intelligent locking system and relates to the technical field of reaction kettles. The intelligent lock catch system comprises a driving assembly, a locking assembly and a control assembly, the supporting assembly is close to the output end of the driving assembly and connected with the driving assembly in the first direction; the spiral locking assembly is connected with the output end of the driving assembly in the first direction, and at least the tail end of the spiral locking assembly is away from the supporting assembly. The pressure sensing component is arranged between the driving assembly and the spiral locking assembly; the limiting induction assembly is connected with the supporting assembly, and the induction side of the limiting induction assembly is connected with the output end of the driving assembly. According to the utility model, the following problems and deficiencies still exist in the existing intelligent lock catch technology, an effective feedback mechanism is lacked, and the existing intelligent lock catch system mostly adopts a single electric control or mechanical feedback mode; and when the lock catch is in a closed state, real-time adjustable pressure feedback is not provided generally, so that a user cannot accurately sense whether the lock catch is completely locked or not.

The utility model provides a drum-type automatic scaling machine convenient to clean, which comprises a fixed tank, a blanking hopper, a drum, a rotary driving mechanism and a cleaning mechanism, the cleaning mechanism comprises an electric sliding table, a spray head, a fixed pipe, an electromagnetic valve, a telescopic pipe, a battery pack, a mounting table, a lug boss and a normally open button, and fishes can be added into the drum through the blanking hopper. Under the driving of the rotary driving mechanism, fish scales can be removed, the roller can drive the convex part to synchronously rotate in the rotating process, and the convex part is intermittently contacted with the normally-open button when rotating, so that the normally-open button is triggered to be in a closed state, electric energy of the battery pack can be transmitted to the electromagnetic valve, and after the electromagnetic valve is opened, the normally-open button can be turned on. Water can be conveyed to the spray head, the spray head sprays water to the roller so as to achieve cleaning of fish scales in the roller, when the rotating speed of the roller is high, the water spraying frequency of the spray head can be increased, the cleaning speed can be adjusted according to the production process, and therefore the fish scales can be reasonably cleaned.

The invention relates to the technical field of machine tool clamping, in particular to a part clamping device applied to a numerical control machine tool. The part clamping device comprises a chuck body, a vortex driving assembly arranged in the chuck body and a plurality of chuck bodies sliding in the radial direction. The device further comprises an airflow guiding assembly and a centrifugal adjusting assembly. The airflow guiding assembly is fixed to the outer circumference of the chuck body and provided with a plurality of rotatable arc-shaped air guiding plates. The centrifugal adjusting assembly is mechanically coupled with the airflow guiding assembly and used for responding to the rotating speed of the chuck body and driving the arc-shaped air deflectors to deflect synchronously. When the chuck is static, the whole device is kept in a closed state, and external pollutants are prevented from invading; once the chuck starts to rotate for machining, the centrifugal adjusting assembly is automatically started, the airflow guiding assembly is adjusted to be in the working posture, the airflow dynamic effect brought by rotation of the chuck is utilized, an effective protective airflow barrier is formed on a key part, and therefore the active protection purposes of chip prevention, cleaning and cooling are achieved.

The embodiment of the utility model provides a feeding port opening and closing mechanism and a refined aluminum groove feeding port opening and closing device, and the mechanism comprises a positioning frame which is installed above a refined aluminum groove feeding port; the fixing plate is embedded in one side in the positioning frame and covers a part of the feeding opening, and a feeding opening is formed in the fixing plate; the opening and closing plate is hinged to the other side of the positioning frame; the driving mechanism is arranged on the side, close to the opening and closing plate, outside the positioning frame and comprises a base, a winding shaft, a traction rope and a vertical plate, the winding shaft is rotationally installed on the base, one end of the traction rope is connected with the opening and closing plate, the other end of the traction rope is wound and wound on the winding shaft, and the vertical plate is arranged between the positioning frame and the base. According to the pole changing mechanism, the opening and closing plate capable of closing or opening the feeding opening enables the pole changing mechanism to give consideration to feeding of materials of different volumes and pole changing operation, automation of opening and closing of the opening and closing plate is achieved through the driving mechanism, sealing of the feeding opening in the closed state is reliable, and the driving mechanism can be used for a long time due to heat insulation protection of the vertical plate; the utility model is suitable for the technical field of smelting furnace charging equipment.

The invention provides a hydraulic punching machine protection device, which belongs to the technical field of hydraulic punching machine protection, and comprises a rack, a lower template arranged at the lower end of the inner side of the rack, an air cylinder arranged at the upper end of the inner side of the rack, a pressing plate arranged at the output end of the air cylinder, a piston barrel arranged in a slide way, and two sides of the pressing plate slidably sleeve the outer side of the piston barrel. A piston rod is arranged in the piston cylinder, the top of the piston rod penetrates out of the rack and is fixedly connected with a cross rod, a main electromagnetic valve is arranged on the right side of the connecting port, a passage B is arranged on the right side of the standby electromagnetic valve, and a pressure sensor is further arranged on the passage F. The problems that according to an existing hydraulic punching machine protection device, air circulation is blocked through the closed state of a single electromagnetic valve, then downward movement of an air cylinder is limited, if the electromagnetic valve is clamped in the open state, even if the air cylinder moves downwards due to gravity, air in a piston barrel can still circulate through the electromagnetic valve, a protection mechanism directly fails, and operators still face safety risks are solved. And certain potential safety hazards still exist.

This invention discloses a hydraulic control system for a hydraulic breaker and related construction machinery. The system includes: an inlet oil circuit for connecting to the inlet of the excavator's hydraulic breaker; a return oil circuit for connecting to the return port of the hydraulic breaker; and a rebound pressure relief oil circuit, with its inlet and outlet ends connected to the inlet and return oil circuits, respectively. When the pressure at the inlet meets the rebound pressure relief condition, the rebound pressure relief oil circuit is in a connected state; when the pressure at the inlet does not meet the rebound pressure relief condition, the rebound pressure relief oil circuit is in a closed state. This invention, through the rebound pressure relief oil circuit, can release abnormally high pressure generated by rebound, greatly improving the load-bearing capacity of the hydraulic system and enhancing system reliability.

The present invention provides a bucket control device that can suppress malfunctions such as turbulence even when the bucket device is operated excessively in the opening or closing direction. [Solution] The bucket control device includes a controller 70 that performs at least one of over-opening suppression control and over-closing suppression control. The over-opening suppression control is a control in which the controller 70 stops paying out the rope of the opening / closing drum, which is the drum responsible for opening and closing the bucket device 10, among the first winch drum DR1 and the second winch drum DR2, when the bucket device 10 is in an over-open state, being operated in the direction to open the bucket device 10 further from a predetermined open state. The over-closing suppression control is a control in which the controller 70 stops winding up the rope of the opening / closing drum when the bucket device 10 is in an over-closed state, being operated in the direction to close the bucket device 10 further from a predetermined closed state.

The invention provides an edge rounding device of a full-automatic can making machine. Through the arrangement of the automatic opening and closing assembly, the two clamping sliding blocks of the clamping grooves corresponding to the first preset position and the second preset position can be controlled to be close to each other, and therefore the two clamping rods on the first preset position and the second preset position can be in an open state; therefore, the tank body to be hemmed can be conveniently put into the clamping groove at the second preset position, and the hemmed tank body can be conveniently taken out from the clamping groove at the first preset position. And the automatic opening and closing assembly controls the arrangement of the clamping sliding block, so that the automation degree of the edge rounding device can be greatly improved, and the can making efficiency can be improved. And meanwhile, the automatic opening and closing assembly can ensure that the two clamping rods are in a closed state in the clamping grooves not in the first preset position and the second preset position, so that the stability of the tank body conveying process is ensured, the tank body machining quality of the hemming mechanism is ensured, and the tank manufacturing efficiency is greatly improved.

The present application relates to a motion manager and an information processing method. The motion manager includes a reception unit, an instruction output unit, and a notification output unit. The reception unit receives a request to maintain a stop state of a vehicle as one of motion requests from application software. The instruction output unit outputs an instruction signal for bringing a hydraulic brake mounted on the vehicle into an open state to the hydraulic brake, on condition that the reception unit receives the request to maintain a stop. The notification output unit outputs a notification signal for notifying a driver of the vehicle from a notification device mounted on the vehicle that a driving operation of the driver is required to the notification device, when a predetermined condition decided in advance for maintaining a stop of the vehicle in a case where the hydraulic brake is in a closed state is not satisfied, upon the reception unit receiving the request to maintain a stop.

To provide a ball sorting device that can sort balls without putting unnecessary stress on them. [Solution] The ball sorting device 1 includes a rail 3 that moves the balls by the action of gravity, an opening 5 provided on the extension of the rail 3, a movable rail 6 that opens and closes the opening 5, a rotating drum 4 located opposite the opening 5, at a position where the distance between the rotating drum 4 and the movable rail 6 when the opening 5 is closed is slightly narrower than the diameter of the ball, and an air cylinder 9 that supports the movable rail 6, and the air cylinder 9 opens and closes the opening 5 by expanding and contracting when the movable rail 6 is displaced by a specific amount from the closed state of the opening 5.

The present invention aims to provide a vehicle capable of reducing the noise generated by a valve used to cool automatic transmission oil during operation. To address the aforementioned issues, the vehicle includes a cooling water flow path for circulating cooling water used to cool a drive source of the vehicle; a heat exchange device for exchanging heat between the cooling water and the automatic transmission oil; the cooling water flow path includes an automatic transmission fluid (ATF) flow path connected to the heat exchange device for circulating the cooling water to the heat exchange device; a valve is provided in the ATF flow path that is switchable between a closed state (closing the ATF flow path) and an open state (opening the ATF flow path); and a control device that switches the valve between a closed state and an open state when specific conditions are met. The control device switches the valve between a closed state and an open state when the specific conditions are met and when background noise exceeds a specific threshold.

Door drive (20) for one door leaf, comprising - a roller chain (24) driven by a motor (22), - a gear (26) that deflects the roller chain (24), - a locking unit (28) formed from - a drive unit (30) permanently connected to the roller chain (24), - a door connection (33) for connection with a door leaf, - a connecting element (32) extending along the roller chain (24), which is pivotably mounted at its first end via a first pivot bearing (34) on the drive unit (30) and at its second opposite end via a second pivot bearing (36) pivotably mounted on the door connection (33), wherein the locking unit (28) is arranged such that in a closed state both pivot bearings (34, 36) are arranged in an end position on the gear (26) on an equal circumferential half of the gear (26) and thereby assume an over-center position relative to each other with respect to a direction of movement of the roller chain (24) into an open position.

The utility model relates to an energy storage pulse power supply, in particular to an energy storage pulse power supply capable of fast switching, which comprises a power supply cabinet and single power supply mechanisms sequentially stacked in a cavity of the power supply cabinet from top to bottom, and a fast switching structure is arranged in the cavity at the bottom of the power supply cabinet. According to the utility model, the rapid switching structure is connected in parallel in the power supply grid, so that the rapid switching structure can respond rapidly when the grid is powered off, the use effect of continuous power supply is realized through the stacked single power supply mechanisms in the power supply cabinet, the power failure time is reduced, the response speed is improved, and the power supply of the single power supply mechanisms can be cut off when the power supply of the grid is recovered. And the fourth cable is arranged between the input mechanism and the output mechanism in a sliding adjustment mode, the closing state between the input mechanism and the output mechanism can be controlled, when the input mechanism and the output mechanism are disconnected, the disconnection mechanism and the output mechanism are conducted at the moment, and the power supply use effect is achieved.

The invention relates to the technical field of electrical engineering, in particular to a power distribution power cabinet and a using method thereof.The power distribution power cabinet comprises a base assembly, the base assembly is used for being connected with a power cabinet body so that the power cabinet body can be connected with an external power installation area through the base assembly, and the bottom of a protective film is connected with the outer edge of the base assembly; and the protective film wraps the power cabinet main body. In rainstorm weather, the unfolding height of the protective film is higher than the external water level, water is isolated outside and does not affect the power cabinet body, when the water level is high, the power cabinet body is integrally wrapped by the protective film, and an opening in the upper end of the protective film is closed through the control assembly. In this way, the protective film can wrap the power cabinet body in a closed state, and the protective film can be inflated, so that the impact force of solids in water flow on the power cabinet body is reduced.

To provide a door closer capable of easily securing a required closing force.SOLUTION: The door closer includes a main shaft 11 that rotates around an axis in a predetermined direction as the door opens or closes, cams 13a and 13b provided on the main shaft 11 and rotating together with the main shaft 11, a piston 12 that moves in a direction perpendicular to the predetermined direction by a rack-and-pinion mechanism as the main shaft 11 rotates, and a spring 18 that is elastically deformed by the cams 13a and 13b from a closed state to a predetermined opening angle when the door opens, is elastically deformed by the piston 12 when the opening angle exceeds the predetermined angle, and restores when the door closes to generate a closing force.SELECTED DRAWING: Figure 1

This application provides an electric tool, including a housing, a motor, a switch for controlling the start and stop of the motor, a trigger connected to the housing, and a stop. The trigger includes an operating part, an actuating part, and a locking block, with at least a portion of the operating part extending outside the housing, and the actuating part and locking block disposed inside the housing. The stop includes a pressing part and a locking groove, with at least a portion of the pressing part extending outside the housing. The stop has a locked position and an unlocked position relative to the trigger. When the stop is in the locked position, the locking block is located in the locking groove, the actuating part is in a first position away from the switch, and the motor is in a closed state. When the stop is in the unlocked position, the locking block separates from the locking groove, the actuating part moves between a first position and a second position, and when the actuating part is in the second position cooperating with the switch, the motor is in a started state.

The present application relates to gas relay sampling, detection technical field, particularly to a kind of gas relay, including main body, transmission bin, sampling tube and first air pump, transmission bin has transmission cavity, main body is equipped with first communication port and chamber, first communication port is communicated chamber and transmission cavity, first communication port is hinged with the first valve plate capable of covering first communication port, first valve plate is equipped with first reset unit, transmission bin is equipped with first push rod, first push rod is towards first valve plate setting, sampling tube two ends are respectively detachably installed in first air pump and transmission bin, sampling tube can be communicated first air pump and transmission bin.It has beneficial effect in that: the present application is conducive to realizing the gas existing in the internal space of gas relay in closed state can be sampled, detection function, for staff in the safe maintenance work of transformer carries out and brings convenience.

The utility model discloses a dustproof circuit for optimizing the rotating speed of a fan, which relates to the technical field of voltage withstanding instrument control circuits and comprises a battery module for supplying power to a working power supply and a driving module for controlling the on-off of a relay coil, the relay module is used for controlling the switching of relay contacts to determine the operation of the fan; the protection module is used for preventing the relay coil from generating reverse high-voltage current; the output end of the power module is connected with the input end of the relay module, the output end of the driving module is connected with one end of a coil of the relay module, and the other end of the coil of the relay module is connected with one end of the protection module. According to the utility model, the rotation time of the fan is accurately controlled, so that the dustproof function of the voltage withstanding instrument is effectively realized; when the voltage withstanding instrument is started but is not tested, the fan is kept in a closed state, and a large amount of dust in a workshop is prevented from being sucked due to long-time operation, so that accumulation of the dust in the instrument is reduced, and operation faults and test errors caused by static accumulation are reduced.

This leakage gas recovery device is provided with: a leakage gas line through which leakage gas flows; a chamber that stores a first gas that is separated to one side in the vertical direction due to a difference in specific gravity with the leak gas when mixed with the leak gas, and that supplies the leak gas from the other side in the vertical direction through the leak gas line; a discharge line connected to one side of the chamber in the vertical direction; a shut-off valve provided in the discharge line; a gas sensor that is provided in at least one of a portion on one side in the vertical direction in the chamber and the discharge line closer to the chamber side than the shutoff valve, and that detects the concentration of the leaked gas; and a control device that changes the shut-off valve from the open state to the closed state when the concentration detected by the gas sensor exceeds a threshold value.

This bucket control device is for a construction machine (100) comprising: a first winch drum (DR1) that pays out and winds up a first winch rope (R1); a second winch drum (DR2) that pays out and winds up a second winch rope (R2); and a bucket device (10) that is connected to the first winch rope (R1) and the second winch rope (R2) and is capable of opening / closing and raising / lowering in response to the rotation of the first winch drum (DR1) and the rotation of the second winch drum (DR2). The bucket control device comprises a controller (70) that determines the open / closed state of the bucket device (10) and notifies an operator of the determined open / closed state of the bucket device (10).

The utility model relates to a vacuum circuit breaker and a transmission mechanism thereof. The vacuum circuit breaker comprises an operating mechanism and a switch unit which is controlled by the operating mechanism to open and close. The transmission mechanism is suitable for being connected between the operation mechanism and the switch unit. The transmission mechanism comprises a first main shaft which can rotate around the central axis of the first main shaft and is suitable for being operably connected to the operation mechanism; the second main shaft and the first main shaft are arranged in parallel and at an interval; the connecting rod mechanism is connected between the first main shaft and the second main shaft and connected between the second main shaft and the switch unit, and the connecting rod mechanism is configured to be located at a dead point position when the switch unit is in a closed state; and the switch unit can be driven by the operating mechanism to cross the dead point position so as to allow the switch unit to be switched off.

The utility model is applicable to the field of valve equipment, and provides a floating ball valve which comprises a first valve body, a second valve body, a control ball body and a control valve rod, valve seats are respectively arranged on flow channels of the first valve body and the second valve body, each valve seat is provided with a sealing ring mounting groove, and a ball body sealing ring is elastically arranged in each sealing ring mounting groove. The control ball body is arranged between the two valve seats in the main flow channel and is in sealing sliding connection with the two valve seats, the control ball body is provided with a ball body through hole and two sealing ring embedding grooves matched with the ball body sealing rings, and when the valve body is in a completely closed state, the sealing ring embedding grooves of the control ball body just rotate to be parallel to the central axis of the main flow channel; at the moment, the ball body sealing ring can be just popped out under the action of the elastic piece and is embedded into the sealing ring embedding groove, so that the sealing performance between the control ball body and the valve seat is improved, and under other conditions, the ball body sealing ring can be extruded and compressed into the sealing ring mounting groove so as to reduce the rotating resistance of the control ball body.

This invention discloses a range hood, including a smoke collection hood with a first air inlet and a second air inlet arranged left and right. The range hood also includes a first smoke guide plate and a second smoke guide plate. The first and second smoke guide plates can be in at least two states: a closed state, in which the first smoke guide plate closes the first air inlet and the second smoke guide plate closes the second air inlet, with the ends of the two smoke guide plates that are close to each other being the first ends and the ends that are far apart being the second ends, and the first ends are constrained within the smoke collection hood; and an open state, in which the first and second smoke guide plates are closed to open the first and second air inlets, with each of the first and second smoke guide plates at least partially located below the smoke collection hood, and the second ends located below the smoke collection hood.