42results about How to "Prevent automatic reset" patented technology

The invention discloses a soil exploration drilling device with a drill bit overloading protection function. A moving trolley is included, and provided with a power device for providing lifting and rotating movement for soil drilling; the power device is provided with a torque overloading protection device; a pressure overloading protection device is arranged in the torque overloading protection device, and the pressure overloading protection device is used for avoiding that pressure of soil rock on a drill bit is too large during drilling and consequently the drill bit is damaged; and the lower side of the torque overloading protection device is provided with a bending overloading protection device used for avoiding that bending of a drill stem is too large. The bending overloading protection device can be used for detecting the bending deformation amount of the drill stem, and therefore it is avoided that the bending deformation amount of the drill stem is too large. The soil exploration drilling device with the drill bit overloading protection function can achieve torque overloading protection and pressure overloading protection of the drill bit, and can also avoid that the bending deformation amount of the drill stem is too large.

The invention discloses a switching type electricity economizer. The switching type electricity economizer comprises a casing, a line inlet interface and a line outlet interface; the bottom of the casing is provided with a control chamber; a processor is arranged inside the control chamber; a signal detection input end and a signal detection output end which are connected with the processor are arranged on the control chamber; a driver which is connected with the processor is arranged inside the control chamber; a concave chamber is formed inside the casing; an action electromagnet is arranged inside the concave chamber; a switching power failure connecting rod is arranged between the line inlet interface and the line outlet interface; an electromagnetic coil is arranged inside the concave chamber; a line inlet end which is connected with the line inlet interface and a line outlet end which is connected with the line outlet interface are arranged on the control chamber; the line inlet end and the line outlet end are respectively connected with the electromagnetic coil; a starter is arranged on the line inlet end; the starter is connected with the driver; the action electromagnet is arranged inside the electromagnetic coil. The switching type electricity economizer is simple in structure, convenient and rapid in utilization, effectively performs electricity economizing control on electric equipment and is obvious in electricity economizing effect, good in applicability and strong in practicability.

The invention discloses a feed cutter for a feed puffing device, and belongs to the technical field of feed processing. The feed cutter includes a cutter disc and a cutter head detachably mounted on the cutter disc, a mounting hole is formed in the cutter head, the cutter disc includes an upper top plate and a lower top plate, and an inserting opening for inserting the cutter head is formed in theouter surface of the cutter disc; the upper top plate is provided with a circular inserting groove for vertically placing a clamping block, evenly arranged strip-shaped plates corresponding to the circumference of the mounting hole are hinged in the clamping block, the clamping block is connected with a rotating ring body in a threaded mode, an abutting block with an inner diameter gradually increasing from top to bottom is fixed into the rotating ring body, the top ends of the strip-shaped plates abut against the inner side of the abutting block, and a circular sealing block which can seal the circular inserting groove is fixed to the top of the rotating ring body. According to the feed cutter, associated locking assemblies do not generate accidentally reverse effects, and the cutter head is not prone to loosing; a plastic sleeve does not need to be used, the floating phenomenon of the cutter can be effectively prevented during rotating, it is not necessary to replace the plastic sleeve frequently, the use cost is greatly lowered, and manpower is saved; and operation is convenient, and materials are not prone to entering the knife disc.

The invention relates to a double-cover sealed transferring device with safety interlocking. The double-cover sealed transferring device comprises a hot chamber sealing door and a transferring bucketwhich comprises a bucket cover and a bucket flange, the hot chamber sealing door comprises a door body, a hot chamber flange and a locking ring, and the door body is matched with the hot chamber flange; in the process when the bucket flange is connected with the hot chamber flange, the hot chamber flange is connected with the bucket cover, and the bucket flange is separated from the bucket cover;in the process when the bucket flange is separated from the hot chamber flange, the hot chamber flange is separated from the bucket cover, and the bucket flange is connected with the bucket cover; after the locking ring rotates to open the door body, an anti-rotating component locks the locking ring. The device has the advantages that transfer of a material between the inside and the outside of box chamber equipment is completed without fouling exposed surface; components like a power element, a sealing ring and the door component can be changed quickly; by adopting the sealing ring which is in a special shape, sealing effect can be ensured, friction force with a metal member is reduced, and the whole device is light and flexible to operate; through a door lock device and a locking device,misoperations in any forms are prevented logically while manual resetting is not needed.

The invention provides a skip car positioning device. The skip car positioning device comprises a base, the locked pressing block is used for being assembled with a skip car; the linkage mechanism ismovably connected with the base and comprises a locking part and an operating part connected with the locking part, and the operating part is used for driving the linkage mechanism to move from a locking position where the locking part stops the locked pressing block to a temporary stop position where the locked pressing block can freely cross the locking part backwards; the reset piece is used for driving the linkage mechanism to reset from the temporary stop position to the locking position; stop mechanism, the stop device comprises a stop pin and a stopped part, the stop pin is arranged onone of the linkage mechanism and the base in a protruding mode. The stopped part is arranged on the other one of the linkage mechanism and the base, the stop pin and the stopped part are matched to lock the linkage mechanism at the temporary stop position, an operator does not need to make contact with the operation part all the time when the skip car is dragged out, the skip car is prevented fromhurting the operator, and operation is easy, convenient and safe.

The invention relates to an illuminating lamp, in particular to an illuminating lamp installed on a bed head. The technical problem to be solved by the invention is to provide the illuminating lamp which can move and change light and is mounted on the bed head. The illuminating lamp mounted on a bed head comprises a mounting plate; cross rods mounted on the two sides of the mounting plate; a connecting frame mounted between the cross rods in a sliding manner; a dismounting assembly mounted on the mounting plate; and a lighting assembly mounted on the connecting frame. By rotating the illuminating lamp, the illuminating range is enlarged, the illuminating effect is better, and the illuminating lamp is further provided with the swing assembly, so that a user can rotate the illuminating lamp more conveniently; by controlling the connecting frame to move, the position of the illuminating lamp can be changed, and meanwhile the positioning assembly can fix the position of the illuminating lamp through cooperation of the clamping grooves and the clamping rods.

The invention discloses a motor shell leakage protection device. The device comprises a shell. A motor cavity is formed in the shell . A motor is positioned in the motor cavity. A through hole with aleftward opening is formed in the inner wall of the left side of the motor cavity in a communicating manner. The left end of the motor is in power connection with an output shaft. A connecting hole with a leftward opening is formed in the output shaft. The left end of the output shaft is in spline connection with a connecting shaft through the connecting hole. According to the invention, the electrification condition of the motor shell can be monitored in real time; the output of the motor can be automatically cut off under the condition that the shell is electrified, and meanwhile, the motoris completely separated from the shell, so that the shell can be quickly separated from an electrified state; an electric shock accident can be avoided; manual reset is needed after maintenance; and automatic reset and re-electrification of the shell in the maintenance process are avoided.

The invention discloses a device for preventing a speed governor of a machine-roomless elevator from automatically resetting. The device comprises an oscillating rod, a push rod and a locking plate, wherein the oscillating rod is pivoted with the speed governor and has a first position and a second position, and a locking shaft is fixed at one end of the oscillating rod; the push rod is pivoted with the speed governor and used for pushing the locking shaft to enable the oscillating rod to move from the first position to the second position; and the locking plate is rotatably connected to the speed governor, separably propped against the locking shaft and used for locking the oscillating rod at the first position or the second position. When the speed governor acts at an excessively high speed, an oscillating arm of the speed governor pushes the push rod to rotate, the push rod pushes the locking shaft to enable the oscillating rod to move from the first position to the second position, the locking shaft pushes the locking plate to rotate, the locking plate is separated from the locking shaft after rotating by a certain angle, and at the moment, the locking plate returns to the original position and is propped against the locking shaft again, so that the oscillating rod is locked at the second position and cannot reset, equivalently, the speed governor is in a set state and is prevented from automatically resetting, and accordingly, the safety of the machine-roomless elevator is higher.

The invention discloses a high-flow sterilizing device. The high-flow sterilizing device structurally comprises a control box, a cover, a solution tank, a tank body, an opening device, a water inlet device, a water valve, a flat circulating pipe, electrodes, a sealing lamp holder, ultraviolet disinfection lamps, a central through pipe, a secondary flat pipe and a discharge opening, wherein the control box is embedded into the top of the tank body; the solution tank is arranged at the top of the tank body; the cover is arranged at the top of the solution tank; the bottom of the solution tank iscommunicated with the water inlet pipe; the water valve is arranged on the water inlet pipe; the water inlet pipe is communicated with the central through pipe through the flat circulating pipe; cross section of the flat circulating pipe is rectangular; the electrodes are respectively arranged on two long side faces of the flat circulating pipe; the opening device is arranged on the side face ofthe water inlet pipe. The high-flow sterilizing device disclosed by the invention has the beneficial effects that a solution is thinner by the flat circulating pipe; downstream of the solution is continuously sterilized for three times, so that thorough sterilization is realized, the sterilization time is saved and the sterilizing efficiency is improved; automatic stop of equipment can be avoidedby the opening device; automatic reset is prevented by a check device.

The invention discloses a lifting mechanism which comprises a guide shaft rod, a sliding part and a first elastic part. The two ends of the guide shaft rod are connected to the position between a speed limiter and a tensioning device through steel wire ropes. One end of the sliding part is in sliding connection with the guide shaft rod, and the other end of the sliding part is connected to a security clamp device. The two ends of the first elastic part abut against the sliding part and the guide shaft rod in a contact mode correspondingly. When a car drives the sliding part to slide, the first elastic part is deformed. Due to the fact that the lifting mechanism is added between the speed limiter and the tensioning device, when the speed limiter stalls, the car continues to move downwards to pull the sliding part to move downwards, and then the first elastic part is compressed to produce lifting force so as to enable the security clamp to act. When a counter weight is thrown up and drops down, the counter weight drives the car to move upwards, the whole formed by the steel wire ropes and the lifting mechanism is kept still due to the existence of the first elastic part, accordingly, the speed limiter is prevented from being automatically reset, the car is prevented from being repeatedly braked, and security is improved. The invention further discloses an elevator braking device with the lifting mechanism.

The invention relates to the technical field of medicine production, and discloses a screening device capable of separating medicine raw materials with the same particle size. The screening device comprises a barrel, a side plate is movably mounted on the left side of the barrel, a discharge port is movably mounted in the bottom of the left side of the barrel, an inclined plate is fixedly mounted at the bottom of an inner cavity of the barrel, and a screening mechanism is fixedly mounted on the right side of the inner cavity of the barrel. According to the screening device capable of separating the medicine raw materials with the same particle size, through a buffer block and an air pipe, when a first filter plate shakes up and down in the barrel, the buffer block moves left and right in a buffer groove, and a sealing gasket is used in cooperation, so that when the buffer block moves rightwards in the buffer groove, gas in the buffer groove is extruded, and the gas in the buffer groove is blown out through the air pipe; and the end, away from the buffer groove, of the air pipe is mounted at the movable joint of the first filter plate and a torsion shaft, so that when the first filter plate shakes up and down, air is blown at the joint of the first filter plate and the torsion shaft, and tiny medicine raw materials clamped at the joint of the first filter plate and the torsion shaft are blown out.

The invention discloses an interlock pneumatic control system of a de-slagging gate. The system comprises a gas source and a gas cylinder and also comprises a first pneumatic control valve, a second pneumatic control valve, a first manual valve, a second manual valve, a first stroke switch, a second stroke switch, a third stroke switch, a tee connector and a shuttle valve. The technical solution has the beneficial effects that at positions of cover closing and locking, a function of manual cover opening fails, and two channels of mechanical stroke switch gas valves are adopted, so two-channelgas signals of the first pneumatic control valve can be cut off at the same time; when the air cylinder is moved to an unlocking position, the two-channel mechanical stroke switch gas signals can be triggered at the same time, and only one channel can be used normally; because of the stroke switches and a locking gas loop, a unique gas signal loop for cover closing can be ensured by the shuttle valve; and actions of the air cylinder can be switched by the first pneumatic control valve and the second pneumatic control valve based on pneumatic signals, and the air cylinder at the cover closing position triggers the first stroke switch, so the second manual valve can send a pneumatic signal to the second pneumatic control valve for switching of a locking action and an unlocking action; and structural design is reliable, an operation sequence is unique, and operations are convenient, safe and reliable.

The invention relates to a sliding wheel for a multi-wire sawing machine, and solves the defect of troublesome wheel replacement of a sliding wheel device for the multi-wire sawing machine in the prior art. According to the sliding wheel for the multi-wire sawing machine provided by the invention, a support part is arranged on a convex column, and is provided with a wheel body in a sleeving manner; a limiting part positioned on an outer cover limits the wheel body between a pulley body and the outer cover; a rotating ring fixed on a sleeve part is connected with operation parts on positioning pieces through flexible wires, and rotates to drive all the positioning pieces to rotate, so that the limiting part is enabled to be retracted into a groove and loses a limiting effect on the wheel body; at the moment, the wheel body can be conveniently taken down for replacement; after the wheel body is replaced, the rotating ring is returned; and under the effect of a torsion spring, the limiting part penetrates through a through hole to position a new wheel body, so that the operation for replacing the wheel body is convenient.

The invention discloses an automobile door limiting device which comprises a shell, a limiting rod, limiting locks and speed reduction assemblies. The shell is connected with an automobile door through a bolt. The limiting rod penetrates in the shell, one end of the limiting rod is connected with an automobile door pillar, limiting grooves are symmetrically formed in the upper side face and the lower side face of the limiting rod in a concave manner, and speed reduction grooves are symmetrically inwards formed in the left side face and the right side face of the limiting rod in a concave manner. The limiting locks are symmetrically arranged at the positions, on the upper side and the lower side of the limiting rod, in the shell and are matched and connected with the limiting grooves in theupper side face and the lower side face of the limiting rod to limit the limiting rod. The speed reduction assemblies are symmetrically arranged at the positions, on the left side and the right sideof the limiting rod, in the shell and are matched and connected with the speed reduction grooves formed in the left side face and the right side face of the limiting rod to limit the limiting rod. Theproblem that after an automobile driver conducts parking on the roadside, a person in an automobile suddenly opens the door, and if pedestrians or automobiles pass through the opening side in the close range at the moment, colliding is likely to happen is solved.

The invention discloses a pediatric joint ultrasonic diagnosis auxiliary device, and relates to the field of ultrasonic diagnosis. The pediatric joint ultrasonic diagnosis auxiliary device comprises a bed body and a tightening piece; the upper surface of a supporting plate is connected with a movable plate through hinges; an adjusting piece is arranged on the lower surface of the movable plate; and a baffle is arranged on the upper surface of the bed body. According to the pediatric joint ultrasonic diagnosis auxiliary device, the bed body and the movable plate are separately adjusted; the movable plate can be properly adjusted according to the age and the body size of a patient; the height of the movable plate can be changed to a certain degree; the movable plate is closer to the body condition of a user; the body does not feel uncomfortable due to compression when the patient lies on the side; activity caused by discomfort and affecting diagnosis is reduced; in addition, a sleeve connected with a tightening spring is arranged in a baffle adjusting device in the device; on one hand, the two baffles can clamp a user; and on the other hand, the clamping force does not hurt the body of a child under the action of an abutting spring.