211 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 invention discloses a circuit breaker operating mechanism and a circuit breaker thereof, the operating mechanism comprises a handle, a movable contact piece, a lock catch piece, a lock catch spring and a contact spring, and at the beginning, the limiting surface of the movable contact piece is contacted with a limiting stop block on a shell to enable the operating mechanism to be in an opening state; an operating handle pushes the U-shaped rod, one end of the U-shaped rod is simultaneously contacted with a first rod contact surface of the movable contact piece and a second rod contact surface of the lock catch piece, and the movable contact piece rotates clockwise around the opening and closing rotating shaft under the pushing of the U-shaped rod until a movable contact of the movable contact piece is contacted with a static contact on the shell, so that the opening and closing of the shell is realized. And the operating mechanism is in a closed state. The operating mechanism has the advantages of being simple in structure, low in cost and high in opening speed.

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 invention relates to a civil engineering device, in particular cable grab, with a support apparatus, a processing unit, which is configured to carry out a civil engineering step and is held by way of at least one cable on the support apparatus, at least one cable winch for operating the cable, wherein the cable winch has a winch drum and an associated winch motor for driving the winch drum rotationally, at least one free fall brake, which is arranged on the at least one cable winch, wherein in a closed state of the free fall brake, the winch drum is coupled to the associated winch motor, in a partially open state of the free fall brake, a relative movement is possible between winch drum and winch motor, wherein a torque that is dependent on the degree of opening of the free fall brake is transmitted in the free fall brake, and in an open state the winch drum is decoupled from the associated winch motor and is substantially freely rotatable with respect to this. It is provided according to the invention that an electronic control device is arranged for the controlled opening, partial opening and closing of the free fall brake by means of at least one control element, that a lowering speed and / or a lowering path can be preset as target values in the control device, that at least one detection device is arranged, which is configured to detect a lowering speed of the processing unit and / or a lowering path as actual values, and that the control device is connected to the at least one detection device and is configured to control opening, partial opening and closing of the free fall brake depending on the actual values detected so that the actual values approach the preset target values.

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 invention provides a technology capable of properly controlling the clamping force of a chuck. A machine tool includes a spindle that includes a chuck for clamping a workpiece, and acquires a clamping force of the chuck on the workpiece in a closed state on the basis of a magnitude of a difference between a first time and a second time when the chuck is brought from an open state to a closed state by an opening / closing means closing the chuck, the first time is the time from when the control unit sends a control signal of a closing operation to the opening and closing unit to when the sensor detects that the chuck is no longer in the open state, and the second time is the time from when the control unit sends the control signal to the opening and closing period to when the sensor detects that the chuck is in the closed state.

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 discloses an air spring underpressure diagnosis method, device and equipment and a computer readable storage medium, and relates to the technical field of vehicle diagnos.The method comprises the steps that when a target air spring is in an exhaust working condition, when it is detected that the height reduction amount of the target air spring is smaller than a preset reduction amount threshold value, the target air spring is started; if yes, whether the target air spring is located at the lower limit position of the suspension stroke is determined based on the actual height of the target air spring; if the difference value between the historical height of the target air spring at the preset historical moment and the actual height is larger than a preset height difference threshold value, a target air spring distribution valve is controlled to be in an open state, and a pressure release valve and an air pump are controlled to be in a closed state, so that an air spring pressure value is obtained; and when the air spring pressure value is smaller than a preset under-pressure threshold value, it is judged that the target air spring is in an under-pressure state. By means of the air spring underpressure diagnosis method and device, the influence of abnormal work of the air spring distribution valve, the pressure release valve, the air spring pressure retaining valve and the like on air spring underpressure diagnosis can be effectively eliminated, and accurate diagnosis of air spring underpressure is achieved.

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 utility model relates to a range hood, which comprises a casing, an air inlet, an air outlet and a fan, the smoke baffle is rotationally connected to the machine shell through a hinge and can open and close the air inlet; the movement mechanism is connected with the smoke barrier and drives the smoke barrier to deflect front and back; an auxiliary tensioning mechanism is further arranged in the machine shell and comprises a rocker and an elastic piece, the rocker can rotate around the axis extending leftwards and rightwards, and the elastic piece acts on the first end of the rocker and enables the second end of the rocker to have the tendency of deflecting forwards and upwards all the time. The smoke barrier is provided with a hinge, the outer peripheral edge of the hinge is provided with a concave positioning concave part, and in the rotating process of the smoke barrier, the second end of the rocker is in sliding contact with the outer peripheral edge of the hinge and can be clamped into the positioning concave part when the smoke barrier is in a closed state. The smoke barrier has the advantage that the problem that the product fineness is affected due to untight closing of the smoke barrier can be effectively solved.

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.

The present invention discloses a coal mine underground damper device, including an auxiliary closing component, a damper linkage component, a damper door frame, a central damper, a side damper and a driving motor. The present invention relates to the technical field of coal mine dampers, and specifically refers to a coal mine underground damper device; in order to solve the technical problem that the existing coal mine dampers are difficult to overcome the large wind force underground when closed, the present invention proposes an auxiliary closing component, which can help the central damper and the side damper maintain a closed state when they are closed, and improve the closing effect of the coal mine underground damper. The motion closed loop that can switch between hard and soft states enables the present invention to cope with the two states of the damper being opened and closed, making the present invention more applicable.

The invention belongs to the technical field of automobiles, and particularly relates to a projection door opening method and device based on a CAN communication protocol. The method comprises the following steps: waking up a projection door opening module; whether the key is in the vehicle or not is inquired, and the inquiry result that the key is not in the vehicle is sent to the projection door opening module through a CAN signal; opening a treading cursor of the projection door opening module according to the received CAN signal; a treading cursor is treaded, a treading CAN signal is generated and sent to the PLG; judging the state of the tail gate according to the treading CAN signal; if the tail door is in the closed state, a tail door opening signal instruction is sent to the door lock and the electric supporting rod to open the tail door. Effective recognition and visual interaction of user pedal actions can be supported, and the problems that a capacitive foot kicking sensor is low in action recognition rate, user perception is not obvious, and operation is inconvenient are solved.

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

The utility model discloses a precision openable confluence transfer disc for motor magnet assembly production, which comprises a bearing bottom plate, a product positioning reference block is fixedly arranged at the top of the bearing bottom plate, and a first opening and closing unit is arranged on one side of the product positioning reference block. The first opening and closing unit comprises a first product positioning block, a first connecting plate, a first mounting block, a first closing reset spring and a first opening limiting column; the first product positioning blocks are located on the side portions of the product positioning reference blocks, and the first product positioning blocks and the product positioning reference blocks jointly define a plurality of first product containing grooves. Compared with the prior art, the motor magnet positioning device is suitable for an automatic magnet assembly production line, a plurality of product containing grooves capable of being opened and closed can be formed, magnet materials can be stably contained in the product containing grooves in the closed state, motor magnets are accurately positioned, and product quality is improved. The opening state is convenient for the manipulator to take and place materials.