808 results about "Limit switch" patented technology

The invention relates to the field of energy storage loop monitoring, and particularly discloses an innovative energy storage loop system for an operating mechanism of a medium-voltage switch cabinet, which realizes soft start and contactless control of an energy storage motor by introducing a dynamic motor control circuit. The multistage stroke detection device replaces a mechanical limit switch, provides real-time and continuous position monitoring for the energy storage mechanism, and thoroughly eliminates feedback lag and inaccuracy. The core energy storage state analysis unit can identify abnormal working conditions in the energy storage process in real time through intelligent acquisition, analysis and decision making of signals. Besides, the power supply unit provides a stable operation basis, and the bidirectional communication interface ensures information interaction between the system and the external environment, so that an intelligent energy storage ecological system with controllable closed loop, feedback of state and early warning of fault is jointly constructed, and the response speed and the operation stability of the medium-voltage switch cabinet operating mechanism are comprehensively improved.

The utility model relates to a limit protection device of a dry quenching elevator, which belongs to the technical field of coking dry quenching equipment and is used for protecting the limit of the dry quenching elevator. According to the technical scheme, a base is a rectangular plate, a fixing support is perpendicularly welded to the plate face of the base, an adjusting movable plate is connected with the fixing support through an adjusting fastening bolt, a limiting fixing plate is perpendicularly welded to the front end of the adjusting movable plate, and a U-shaped limiting plate is fixed to the plate face of the limiting fixing plate through a limiting fixing bolt; the two upper limiting guide plates and the two lower limiting guide plates are located on the two sides of the U-shaped limiting device respectively and are perpendicularly connected with the plate face of the limiting fixing plate in a welded mode respectively, and the upper limiting guide plates and the lower limiting guide plates on the two sides of the U-shaped limiting device respectively form two V-shaped guide grooves. The elevator limiting device is simple in structure and reliable in work, the elevator can be protected from being damaged due to the fact that the elevator is scratched by the running elevator, safety and equipment hidden dangers are effectively eliminated, and normal running of the elevator is guaranteed.

The invention discloses an intelligent material cabinet and a safe and accurate material distribution method. The intelligent material cabinet further comprises an anti-theft unit, a material recognition unit and a safety interlocking mechanism on the basis of a conventional cabinet body. The anti-theft unit seals a blue opening by arranging a long turning plate and a short turning plate at the blue opening of a lifting blue and is linked with a material taking turning plate of a material taking opening; the material identification unit is provided with an intelligent camera, a wide-angle camera and a pressure sensor for detecting material information; the safety interlocking mechanism is provided with a limiting switch, an electronic bolt door lock and a material taking indicator lamp, and limiting of the lifting basket, locking of a material taking opening material taking turning plate and material taking prompting are achieved. According to the method, safe and accurate material distribution is achieved through material management, material identification and safety linkage. According to the material cabinet and the method, the defects of traditional material warehouse management are overcome, the accuracy of material distribution and the anomaly detection processing capacity are improved, the vulnerability of theft is eradicated, the safety of material extraction operation is ensured, and then the adaptability, automation and intelligence of material warehouse management are improved.

The invention provides a cam limiting external fixing spiral clutch device for lifting opening and closing of a grab ship unloader, and relates to the technical field of bulk cargo wharf grab ship unloaders, which comprises a pinion in clearance fit with a planetary reducer shaft, a bull gear connected with a cam limiting switch through a bolt, and an adjusting bolt in threaded fit with a shaft hole at the end part of the pinion. A shaft shoulder unthreaded hole is formed in the center of the planetary reducer shaft to limit axial movement of the adjusting bolt. The small gear is driven to slide in the axial direction by twisting the adjusting bolt so as to be meshed with or separated from the large gear, the adjusting bolt is reversely rotated before rope replacement to enable the gear to be separated, the large gear is prevented from being driven by rotation of the small gear, and therefore the cam limiting switch shaft is fixed; after the rope is replaced, the gears are meshed through reverse rotation again, and connection is recovered. The device is simple in structure, realizes fixation and reconnection of the limit switch shaft through mechanical transmission, does not need manual disassembly, assembly and debugging, saves manpower and time cost, is low in failure rate, and is suitable for the scene of replacing the steel wire rope of the four-drum grab ship unloader.

The invention provides a cam limiting internal fixing spiral clutch device for lifting opening and closing of a grab ship unloader, which relates to the technical field of bulk cargo wharf grab ship unloaders and comprises a pinion in clearance fit with a planetary reducer shaft, a cam limiting switch in bolted connection with a bull gear and an adjusting bolt. An end shaft hole of the pinion is provided with internal threads, a threaded hole is formed in the center of a planetary reducer shaft, and the adjusting bolt is matched with the threaded hole; the small gear is driven to slide in the axial direction to be engaged with or disengaged from the large gear by rotating the bolt cap. When the steel wire rope is replaced, the disengagement gear can avoid contact deviation caused by rotation of the cam limit switch shaft; the gear is directly meshed after the rope is replaced, and secondary contact adjustment is not needed. The structure of the device adopts a pure mechanical mode, operation is simplified, stability is high, and debugging time of about one day is saved for single maintenance.

An aperture assembly for use with a subsurface ejection vessel includes an electromagnet, a first dynamic aperture, a second dynamic aperture, a hollow shaft injection drill bit, a third dynamic aperture, collar perforations, and closed window apertures. The electromagnet actuates a closing of the first dynamic aperture. The electromagnet actuates an opening of the second dynamic aperture. The third dynamic aperture dynamically opens when triggered by a first pre-determined depth achievement counting by the encoder of the lead screw or distance traveled by a platform (505A) triggered by the limit switch that are communicated to the AI robot, the computer, and the PLC. The third dynamic aperture dynamically opens when the camera lens has a second pre-determined depth penetration of the hollow shaft injection drill bit and that the limit switch information is communicated to the computer, or the PLC.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an electric control intelligent coring drill bit which comprises a power module and a cutting module, a limiting switch is arranged in the cutting module, the drill bit normally drills, a rock core passes through the interior of the drill bit and enters a coring barrel, and when the top of the rock core in the coring barrel triggers the limiting switch, the limiting switch is switched on. The MCU receives a coring completion signal, the electromagnetic valve is controlled to be opened through the MCU, high-pressure drilling fluid enters a turbine cavity through a mandrel hole, under the action of the high-pressure drilling fluid, the turbine rotates to generate motion and power, the motion and the power are transmitted to the rotating ring through the rotating disc and the rotating sleeve, the rotating ring rotates to push the connecting rod, the connecting rod pushes the evenly-distributed cutting knives, and therefore coring is completed. And the uniformly distributed cutting knives and the coring cylinder form a sealing cavity, the cut rock core is placed in the sealing cavity, and the cut rock core is taken out after pulling out of the drill. The intelligent degree of the drilling coring bit can be effectively improved, and the drilling coring efficiency and success rate are effectively improved.

The invention discloses a rapid cooling and dust removing system and method for a metal smelting crucible. The system comprises a cooling and dust removing device, a dust remover, an air compressor, a water pump, a limiting switch, a time relay and a controller. An air outlet of the air compressor is respectively communicated with an air inlet of the air blowing pipe and an air inlet of the water spraying pipe of the cooling dust removal device through hoses; a water outlet of the water pump communicates with a water inlet of the spray pipe through a hose; and a limiting switch is arranged on a sealing furnace cover of the smelting furnace. The method comprises the following steps: (1) moving the cooling dust removal device in place; and (2) cooling and dedusting. The rapid cooling and dust removal system for the metal smelting crucible has the beneficial effects that the automatic cooling and dust removal functions on the smelting crucible are achieved, the cooling rate and the dust removal effect on the crucible are improved, and the field environment is protected; the invention discloses a rapid cooling and dust removing method for a metal smelting crucible. The method is high in automation degree, manual intervention and operation errors are reduced, the cooling speed is remarkably increased, and the crucible cooling period is shortened. The pollution of dust to workshop air is greatly reduced, the health of operators is protected, and meanwhile, the adhesion abrasion of dust to equipment is reduced.

The invention relates to the technical field of insulator maintenance, and particularly discloses a 500kV power transmission line tension-resistant single insulator maintenance labor-saving support which comprises a limit switch. The limiting switches are used for adjusting the distance between the fixing elements; the two groups of fixing elements are connected through the connecting element; wherein the fixing element is designed to be of an annular structure and is provided with four supporting legs, the inclined supporting legs are fixed to the side wall of the insulator, and the connecting element and the insulator are kept parallel to each other. The requirement that operators need to manually carry heavy insulators is greatly reduced, the distance between the fixing elements can be automatically adjusted according to the specific size of the insulators, stable installation is achieved by means of the flexible contact face provided by the air bag, and operation can be smoothly conducted even in the narrow or difficult-to-approach position.

The utility model relates to a mechanical holding relay, which comprises a relay base and an upper cover in buckling connection, a driving motor is arranged in the relay base, and the driving motor is connected with at least two movable contact plates rotating around a shaft through a gear transmission mechanism. One end of the movable contact plate is connected with a conductive sheet arranged on the relay base through a flexible conductive piece, the other end of the movable contact plate is provided with a movable contact, the relay base is also provided with a static sheet, the static sheet is provided with a static contact, and the movable contact is in contact with or separated from the static contact; the beneficial effects are that 1, the driving motor drives the movable contact plate to rotate positively and negatively through the gear transmission mechanism to realize opening and closing of the switch; 2, two stroke limit switches are arranged on the circuit board to control the opening and closing positions, and the control switch can automatically cut off the power supply of the motor after the opening and closing are in place, so that the over-stroke action is avoided;

The invention provides a dust removal cover, and relates to the technical field of scrap steel cutting dust removal. According to the dust removal cover, first limiting switches at SQ2-SQ7 positions are sequentially matched with first collision rods, so that an automatic walking assembly can be sequentially and accurately stopped in three corresponding fixed-point cutting areas; meanwhile, when the suction hood stops at the position, a second collision rod can just enable a heavy hammer rod of the heavy hammer flap valve to move to the highest position so as to automatically open a valve plate, and then the suction hood is communicated with the public flue to be matched with an induced draft fan and a dust remover, so that flame cutting and efficient dust removal can be performed on a local area of a scrap steel stacking and cutting area; in addition, two first limiting switches at the positions of SQ1 and SQ8 can be matched with a first sinker bar to limit the extreme movement positions of the two sides of the suction cover, the triggering directions of the first limiting switches at the positions of SQ1, SQ2, SQ4 and SQ6 are opposite to the triggering directions of the first limiting switches at the positions of SQ3, SQ5, SQ7 and SQ8, and then the suction cover does reciprocating motion to return to the stop position again for steel slag discharging.

The utility model discloses an intelligent walking mechanism used in a frozen coal and residual coal intelligent cleaning device of a car dumper, which comprises a track frame, limiting structures are arranged on two sides of the track frame, and a walking structure is arranged at the upper end of the track frame. The walking structure comprises a portal, four rail wheels, four driving assemblies and a wheel jacking assembly. The utility model relates to the technical field of intelligent cleaning of residual coal, which adopts a rail type walking support, two rails are laid on an original foundation, a portal steel structure is arranged above the rails, a portal is driven to walk at the upper ends of the rails in a variable frequency motor driving mode, and a matched cleaning device is used for cleaning the residual coal in a carriage. According to the cleaning device, the cleaning position can be accurately controlled, it is guaranteed that the whole cleaning process of the cleaning device is within the controllable range through the arranged limiting structure and the limiting switch control, and meanwhile, the wheels can be jacked through the arranged wheel jacking assembly so that the wheels can be conveniently maintained.

The utility model discloses a tubular belt conveyor with a torsion fault early warning function, which relates to the technical field of belt conveyors and comprises a frame type support, a roller mechanism and a conveying belt running in the frame type support. A first roller type limit switch and a second roller type limit switch are arranged at the top end of the section, which is overlapped into the circular tube shape, of the frame type bracket, wherein a wheel of the first roller type limit switch is pressed on the outer surface of the belt of the circular-tube-shaped conveyer belt, and the second roller type limit switch is arranged beside the first roller type limit switch; the vertical distance H between the bottom end of a wheel of the second roller type limit switch and the surface of the overlapped circular tube-shaped belt is 3-10mm, and the arc length L between the wheel of the second roller type limit switch and the side surface of the overlapped circular tube-shaped belt is 10-100mm; the two limit switches are respectively connected with the computer; compared with the prior art, an early warning can be given out in time for the torsion fault of the tubular conveying belt, an operator stops the machine in time for maintenance treatment, and the maintenance time for the torsion fault of the tubular conveying belt is greatly shortened.

The application discloses a multifunctional massage bed, which comprises a support, a mounting plate, a massage assembly and a driving mechanism, the mounting plate is arranged below the support, a guide rail is arranged above the support, the massage assembly is movably arranged on the guide rail and can move back and forth along the guide rail to realize massage on a human body, and the driving mechanism comprises a motor, a limit switch, a movable switch and a control panel; the height of different users is set, when the length of the massage assembly exceeds the position of the human body during massage, the motor is stopped or reversed, so that the massage assembly is stopped or reversely moved, the massage assembly can always massage the human body, the massage assembly cannot move away from the human body, the idle running of the massage assembly is avoided, the loss is reduced, the energy is saved, and the cost is saved.

A self-tipping railway car with an automatic unloading detection device, belonging to the field of railway transportation, includes a self-tipping railway car with axle suppression mechanism. The left and right ends of the car's bottom are respectively mounted on the vehicle via a first cylinder and a second cylinder. A solenoid valve is mounted on the vehicle to control the intake and exhaust of the first and second cylinders. A battery box and a power supply box are mounted on the side bolster beams of the vehicle and are electrically connected. A signal transceiver is installed inside the power supply box and is electrically connected to a time relay. The time relay is electrically connected to the solenoid valve, controlling the first stage of the solenoid valve's operation. A first synchronous signal transceiver is installed inside the power supply box, and a second synchronous signal transceiver is installed on the end wall of the self-tipping railway car. A limit switch device detects the opening and closing status of the side doors of the self-tipping railway car. This design solves the problem of automatic unloading of the self-tipping railway car with axle suppression mechanism, eliminating the safety hazard of tipping over during the unloading process.

The utility model discloses a yellow phosphorus filling lifting platform which aims at solving the problems that an existing loading platform is not matched with a tank car, and the operation risk of personnel is large. The platform comprises a filling frame and a lifting platform capable of vertically sliding, the filling frame and the lifting platform are connected through a servo electric cylinder, the filling frame is provided with a guide structure, a guardrail and an anti-collision assembly, and the anti-collision assembly is in control connection with the servo electric cylinder. A connecting beam is arranged on the top of the lifting platform, and servo electric cylinders are arranged on the two sides in pairs and connected through connecting rods. A mounting seat of the filling frame is provided with a limiting bearing and a limiting notch. The anti-collision assembly comprises an anti-collision rod and a limiting switch. The platform can adapt to different tank trucks through the lifting platform and the servo electric cylinder, so that people can get on and off the truck conveniently; the operation safety is improved through a guardrail and a lifting function; a servo electric cylinder, a connecting beam and the like guarantee stable lifting; the anti-collision assembly can prevent equipment from being damaged. The existing problems are effectively solved, and the safety and convenience of yellow phosphorus filling operation are improved.

The utility model provides an angle detection limiting device and a movable arm type tower crane. The angle detection limiting device is applied to the movable arm type tower crane and comprises a detection collision block arranged between a buffer connecting rod and a buffer fixing block, the detection collision block is provided with a first end and a second end, and the first end of the detection collision block is rotationally connected with a buffer of the movable arm type tower crane; the limiting switch is fixed to the buffer fixing block and arranged on the moving path of the detection collision block, so that when the distance between the buffer connecting rod and the buffer fixing block is smaller than a preset distance threshold value, the detection collision block makes contact with the limiting switch and triggers the limiting switch, and the limiting switch is used for controlling a luffing mechanism of the movable arm type tower crane to work. According to the scheme, the structure is simple, installation and manufacturing are convenient, and the reliability of the limiting device can be guaranteed.

The utility model relates to a forklift technical field discloses a forklift anti -collision device, including the vehicle body, the vehicle body left end is provided with two cargo fork, the cargo fork left end all is provided with the approach inductive switch, the cargo fork left end all is fixedly connected with two springs, the spring left end is fixedly connected with the anti -collision inductor, the cargo fork top is provided with the tray, the vehicle body left end is provided with two limit switches, the vehicle body left end corresponding limit switch upper side all hinge connection has the anti -collision board. In the utility model, the anti -collision inductor can induct the object inside 0 5m range before the cargo fork and carry out ranging, and the driver is reminded, when the vehicle body still collides to the front shielding object at a certain speed because of the unexpected situation, the anti -collision inductor will touch the approach inductive switch installed in the cargo fork, and the control system of vehicle body is sent to the electric signal from the approach inductive switch, and emergency brake is carried out immediately, avoids the forklift to continue to go on to the collision body and causes the harm continuously.

The utility model relates to the technical field of positioning electric cylinders, in particular to a miniature electric cylinder with a positioning function and suitable for high and low temperatures, which comprises a machine body, a speed reducer is mounted on the inner wall of a cavity, a driving gear is fixedly connected to the outer wall of the speed reducer, a driven gear is meshed with the outer wall of the driving gear, and a bearing is fixedly connected to the outer wall of the driven gear. The outer wall of the bearing is fixedly connected with a main shaft, the top end of the machine body is fixedly provided with a limiting switch, through the limiting switch at the top end of the machine body, the electric cylinder is provided with a positive limiting switch and a negative limiting switch, the movement range of the electric cylinder can be accurately controlled under the DC5V driving voltage, the rated thrust of the electric cylinder reaches 50N, and the thrust requirement in a common working scene can be met; the rated pushing speed of the electric cylinder is stable 4 mm / s, the stability of linear motion is ensured, the effective stroke is set to be 20 mm, displacement control is more accurate, in addition, the electric cylinder can bear radial force as high as 20 N, and therefore the structural stability and reliability in the running process are ensured.

The present invention provides a limit switch head processing device, comprising a lifting processing table, a suspended top plate assembly located above the lifting processing table, and a hole and groove processing mechanism located on a side surface and / or top surface of a lifting platform. The lifting processing table comprises a positioning platform, an upper surface of the positioning platform is provided with positioning columns adapted to bottom holes and grooves of a workpiece to be machined, and the workpiece to be machined is circumferentially positioned. The lifting processing table further comprises a lifting driving mechanism for driving the positioning platform to rise and fall in the vertical direction. The driving mechanism is a lifting cylinder, and a free end of a piston of the lifting cylinder is fixedly connected to a bottom surface of the positioning platform. The limit switch head processing device in the present invention skillfully uses existing holes and grooves of the workpiece to be machined, and performs accurate positioning by means of the cooperation of the lifting platform and the suspended top plate assembly, thereby preventing deviation from occurring during a clamping process of an existing clamping tool, improving the reliability of positioning, and improving the accuracy of machining.

The utility model relates to the technical field of agricultural automation, and discloses a greenhouse cotton quilt limiter which comprises an equipment box fixed on a rack, and a roller shutter machine is fixedly mounted on the rack; a limiting switch assembly is installed in the equipment box, a supporting shaft is rotationally installed on the outer wall of the equipment box, and the supporting shaft is in direct transmission fit with the limiting switch assembly and is in transmission fit with a rolling pipe of the curtain rolling machine through a transmission mechanism. A controller is installed on the machine frame, and the curtain rolling machine and the limiting switch assembly are both electrically connected with the controller. The limiting switch assembly is installed on the machine frame, meanwhile, the limiting switch assembly is in linkage with rotation of the rolling pipe of the curtain rolling machine through the supporting shaft and the transmission mechanism, finally, the controller controls starting and stopping of the curtain rolling machine, the curtain rolling machine can be effectively prevented from moving out of a greenhouse, and then cotton quilts are prevented from falling off from the greenhouse and the rolling pipe.

The utility model discloses a valve limit switch which comprises a valve limit switch body, a cavity is formed in the upper portion of the valve limit switch body, a movable plate is connected to the inner wall of the top of the cavity formed in the upper portion of the valve limit switch body in a sliding mode, and a first extrusion plate is welded to the surface of the bottom of the movable plate. A first pressing rod penetrating through and extending to the exterior of the valve limiting switch body is welded to one side of the first extrusion plate, a groove is formed in the inner wall of one side of a cavity formed in the upper portion of the valve limiting switch body, and a limiting block is slidably connected into the groove; a second extrusion block is arranged at a groove formed in the side, provided with the cavity, of the upper portion of the valve limiting switch body. According to the valve limit switch, the pressing rod, the extrusion plate, the limit block and the like are arranged, so that the purpose of disconnecting a circuit of the valve limit switch body can be achieved, and the safety of an operator during maintenance or equipment replacement is ensured.

The present application relates to a kind of zero return device and numerical control equipment, the numerical control equipment has the zero return device, the zero return device includes zero return combination switch, deceleration block and limit block;Deceleration block, limit block and the position of deceleration switch, extreme speed switch of zero return combination switch are matched, while being partially overlapped in vertical direction, along the parallel arrangement of zero return component operating direction, and deceleration block is located in limit block front end in the direction of facing zero return.The present application, machine tool does not need to consider the position of slide table when zeroing, as long as limit alarm does not appear, it can operate zeroing, machine tool automatically identifies deceleration block, then retreats to find zero point and stops, while setting zero point signal.No additional accessories, such as deceleration switch damage, zeroing failure, machine tool can also normally alarm alarm when pressing limit switch.

This invention discloses a mechanical guide vane master controller, which utilizes a movable wedge-shaped trigger rod to trigger left and right limit switches at the same position, causing each limit switch to output a switching signal. The wedge-shaped trigger rod also moves a travel trigger plate, and magnetic probes at both ends of the travel trigger plate cooperate with corresponding travel sensors to trigger left and right travel sensors to output analog signals. This invention is used for monitoring the travel signals of turbine guide vanes, and can output redundant switching and analog signals, unaffected by weather, location, time, or unit operating conditions, thus offering higher reliability.

This utility model discloses a linear actuator motor with adjustable stroke, relating to the field of motor equipment technology. It includes an actuator box, a lead screw and actuator assembly, a translation adjustment assembly, a limit switch, a screw, and a lead screw nut. In this utility model, the translation adjustment assembly adjusts the position of the limit switch inside the actuator box, thereby adjusting the stroke of the linear actuator motor. The rotation of the screw in the translation adjustment assembly drives the lead screw nut to move linearly along the screw, which in turn drives the limit switch to move linearly along the screw. This allows for position adjustment of the limit switch, and consequently, stroke adjustment of the linear actuator motor. Each rotation of the screw causes the lead screw nut to move the limit switch linearly by one screw pitch. The screw pitch can be selected according to actual needs, effectively ensuring the position adjustment accuracy of the limit switch, and thus ensuring the stroke adjustment accuracy of the linear actuator motor.

The utility model belongs to the technical field of charging bins, and particularly relates to a Bluetooth earphone charging bin capable of automatically ascending, opening and closing a bin cover, which comprises a shell and a transmission assembly, and the transmission assembly comprises a fixed support mechanism and an airplane wheel movable group which are arranged in the shell; the fixing support mechanism comprises an earphone inner support arranged in the shell, a bin cover is installed on the earphone inner support through a steel needle, a torsion spring is installed on the steel needle, a rack and a limiting switch are arranged at the bottom of the earphone inner support, and the front end and the rear end of the earphone inner support are each provided with a pair of guide grooves. According to the product, earphones can be conveniently taken out from the charging bin, brand-new scientific and technological experience is provided for consumers through a motor gear rack set transmission automation system, and due to the fact that the mechanism is located on an integrated support in design, the mechanism has great advantages in the aspects of material accessories, assembly and the like, and compared with similar automation products in the market, the cost is low.

The utility model provides a kind of push plate feeding mobile machine with feeding limiting structure, including feeding hopper, the bottom surface of the feeding hopper is fixedly connected with support seat, the side surface of the support seat is fixedly connected with support block, the upper surface of the support block is fixedly installed with electric cylinder, the telescopic end of the electric cylinder is fixedly installed with push plate assembly, the outer surface of the feeding hopper is fixedly connected with two limit slides, involve push plate feeding mobile machine field.The utility model is through the cooperation of limit slide and limit slide, limit switch, when push plate assembly reaches preset position, limit slide triggers limit switch, controller immediately controls electric cylinder to stop, ensure that material can be accurately pushed to feeding station each time, in addition to the feeding confusion problem that easily appears when multiple material stacks, the first flow baffle and second flow baffle of the structure can guide material to move stably upwards in pushing process, ensure the accuracy of feeding sequence.

This utility model relates to the technical field of limit switch protection devices, specifically disclosing a non-shaking elevator limit switch protection device, including a mounting plate. A protective shell is fixedly installed on the top of the mounting plate, and a protection mechanism is set inside the protective shell. The protection mechanism includes a storage shell, which is fixedly installed inside the protective shell at the top of the mounting plate. The storage shell has a storage groove inside, and a first spring is embedded in the top of the inner part of the protective shell. This utility model, through the storage shell, storage groove, first spring, contact plate, and flexible pad, and in conjunction with a fixing plate, rubber block, and locking groove, can initially connect the mounting plate and the protective shell, and can accommodate the switch and provide protection, preventing shaking and collisions. It also avoids using too many components or structures of different materials for protection, improves the overall ease of use, and reduces production costs.

The utility model discloses a desktop type intelligent manufacturing production line belongs to manufacturing production line technical field, and one side of miniature intelligent desktop is equipped with walking axle, and the walking axle is equipped with the folding material taking spare of sliding installation, and the joint of folding material taking spare is equipped with three -axis stepper motor respectively, and the outer end of folding material taking spare is equipped with electromagnet, and the walking axle is equipped with proximity limit switch 5 and proximity limit switch 6, and the outer end of walking axle is equipped with six -station vertical warehouse, and six -station vertical warehouse is equipped with proximity switch, and the stamping assembly station is composed of proximity limit switch 4 and proximity limit switch 3, and one side of walking axle is equipped with stamping assembly station, and stamping assembly station is equipped with proximity limit switch 4, and the oblique below of proximity limit switch 4 is equipped with proximity limit switch, can according to production demand quick adjustment the position of slide platform, improve the efficiency of feeding and discharging, and the application is multifunctional for integrated combination installation, realizes the function of greatly improved applicable range.

The utility model provides an elevator limit switch assembly, which relates to the technical field of elevator accessories, and comprises a pinch plate, a cavity, a cushion layer, a through hole, a housing, a rotating shaft, a baffle plate, a disc-shaped reed and a cross rod, and further comprises a spring which is arranged in the housing and is always in a compressed state, one end of the spring is connected with the cross rod, and the other end of the spring is connected with the rotating shaft. The other end of the spring is connected with the inner top of the housing, a limiting plate is arranged on the outer surface of the housing, the limit switch assembly further comprises a microswitch, the microswitch is arranged at the end, away from the buckle plate, of the transverse rod, and the limit switch assembly can be installed on the inner wall of an elevator shaft, so that the limit switch assembly is not affected by vibration when an elevator works; and meanwhile, lubricating oil cannot enter the contact, so that the stability and reliability of the limit switch assembly are improved, and meanwhile, as the housing can be rotationally adjusted on one side of the buckle plate, whether the limit switch assembly is inverted up and down or not does not need to be worried about when the limit switch assembly is installed, and the convenience of installation is improved.