349 results about "Emergency Stop Switch" patented technology

An electric vehicle (EV) includes a battery pack, an electric motor, an inverter connected to the electric motor, a power distribution unit (PDU) connected to the battery pack and the inverter, and at least one EV emergency stop switch configured to disconnect the battery pack from the power distribution unit (PDU) when the at least one EV emergency stop switch is activated. The first EV emergency stop switch is located at a front surface of the EV.

The invention discloses an injection molding device for bottle cap production, and relates to the field of injection molding machines, the injection molding device comprises an injection molding machine tool, the injection molding machine tool is provided with a feeding cylinder, a female die and a male die, the feeding cylinder is connected with a feeding pipe, the feeding pipe is connected to the injection molding machine tool, and the injection molding machine tool is provided with a discharge port. It needs to be explained that when the weight of a produced bottle cap does not reach the standard, a material pushing plate pushes materials to be blocked and retracted by a material carrying plate, then an emergency stop switch is driven to make contact with an adapter plate, and the emergency stop switch is triggered by the adapter plate; when plastic remains on the female die or the male die, the wedge-shaped scraping plate is extruded and retracted, then the trigger frame is pulled to move downwards, and the emergency stop switch is triggered, so that the injection molding machine tool is stopped suddenly, and the subsequent production quality of bottle caps is prevented from being influenced; in addition, when the material pushing plate retracts, the linkage lifting frame drives the material blocking head to block the feeding barrel, and the problem that raw materials are wasted due to the fact that continuous feeding is still conducted when injection molding goes wrong is avoided.

The utility model relates to the technical field of power distribution cabinets, in particular to an indoor mobile power distribution cabinet which comprises a power distribution cabinet body, a folding handle is arranged at the top end of the power distribution cabinet body, a trapezoidal base is arranged at the bottom end of the power distribution cabinet body, and arc-shaped anti-slip strips are arranged on the surface of the bottom end of the trapezoidal base. One side of the power distribution cabinet main body is provided with a power line interface, the surface of the power distribution cabinet main body is provided with a protective door, the surface of the protective door is provided with a transparent protective cover, and the bottom end of the transparent protective cover is provided with an emergency stop switch; the folding handle is arranged on the surface of the top end of the power distribution cabinet body so that the power distribution cabinet body can move integrally, the trapezoid base is arranged at the bottom end of the power distribution cabinet body, and the arc-shaped anti-slip strips are arranged on the surface of the bottom end of the trapezoid base so that the power distribution cabinet can be placed and moved indoors stably and is not prone to toppling over. And the electrician can quickly switch on the circuit according to the power demand, and the wiring positions are multiple in choices, so that the electrician can conveniently overhaul and adapt the circuit.

The utility model discloses an elasticizer lengthened hot box for processing polyester yarn, which comprises a support frame, cleaning mechanisms and a heating mechanism, a controller is arranged on the left side of the support frame, an emergency stop switch is attached below the controller, a yarn inlet is arranged on the left side of the support frame, two sets of cleaning mechanisms are arranged on the right side of the yarn inlet, and the heating mechanism is arranged on the right side of the yarn inlet. A dust collection mechanism is arranged above the cleaning mechanisms, polyester yarns are arranged between the two cleaning mechanisms, a heat preservation layer is arranged on the right sides of the cleaning mechanisms, first air blowers are arranged on the upper side and the lower side of the heat preservation layer, and second air blowers are arranged on the right sides of the first air blowers; a temperature sensor is arranged between the first air blower and the second air blower. When polyester yarns are fed into the cleaning mechanism and the dust collection mechanism, impurities on the surfaces of the polyester yarns are cleaned through a brush and a cleaning roller of the cleaning mechanism, and the dust collection mechanism sucks the cleaned impurities into the dust collection box through a dust collector and a dust collection opening.

The invention discloses a mechanical arm for disassembling a distribution transformer, and relates to the field of mechanical arms, the mechanical arm comprises a mechanical arm body, a connecting seat is mounted on the mechanical arm body, two pneumatic shears and an air pipe are mounted on the connecting seat, the air pipe is connected to the pneumatic shears, and a mounting shell is mounted on the pneumatic shears; the device further comprises two deviation emergency stop devices, and the two deviation emergency stop devices are installed on the two installation shells correspondingly. It needs to be explained that in the embodiment of the invention, when the position of the pneumatic shear is wrong or air in the air pipe is too humid, the emergency stop switch is triggered, then the mechanical arm machine body is suddenly stopped, and the problems of insufficient shearing, damage and the like of the pneumatic shear caused by wrong shearing or too large moisture are avoided; in addition, air on one side of the pneumatic shear is dried through a drying agent box, the problem that the interior of the pneumatic shear is affected with damp and corroded due to the fact that air in an air pipe is humid is solved, and therefore safe use of the pneumatic shear is guaranteed.

The invention relates to the technical field of fire-fighting robots, in particular to a small fire-fighting robot capable of swinging arms, which comprises a turning cover and a vehicle body assembly, and further comprises an upper assembly, and the upper assembly comprises a front camera, a back-up camera, a side camera, an emergency stop switch, a starting switch, a power switch, an audible and visual alarm, a millimeter wave radar, an illuminating lamp and a fire monitor component. In the moving process of the fire-fighting robot, the distance, the speed, the angle and other information of a target object are detected through electromagnetic waves of the millimeter-wave frequency band of the millimeter-wave radar, the dynamic state of an object in front of a vehicle can be monitored in real time, and therefore the fire-fighting robot can automatically avoid obstacles in the moving process; and therefore, the fire-fighting robot can be better suitable for a fire scene environment with a complex environment.

To provide an operation device of a robot that can stop motion of the robot by a method that is different from methods using an emergency stop switch and an enable switch.SOLUTION: An operation device of a robot comprises: a display unit that displays information; a display processing unit that executes display processing for controlling contents displayed by the display unit; and a stop processing unit that executes stop processing for stopping the robot on the basis of software processing. The display processing includes processing in which a stop button which receives operation for making the stop processing unit execute the stop processing is displayed on the display unit, which enables the stop button to be displayed in an identical mode, even when the button is displayed, with only one color of a red color, a green color and a blue color of light's three primary colors, on the display unit.SELECTED DRAWING: Figure 2

The invention discloses a mold laser welding device and method, and relates to the field of welding equipment.The mold laser welding device comprises a welding main machine, a water cooling machine and an operation table, the water cooling machine and the operation table are connected with the welding main machine, a laser emitting head is installed on the welding main machine, and a microscope is installed on the laser emitting head; the laser emission head is located above the operation table, a water return pipe and a water inlet pipe are connected between the welding main machine and the water cooling machine, an emergency stop switch is installed on one side of the water cooling machine, and the welding main machine and the water cooling machine are both electrically connected with the emergency stop switch. It needs to be explained that in the embodiment of the invention, when the water cooling machine has the problem of water outlet blockage or refrigeration effect reduction, the two sealing plates are automatically opened, so that the two switching boxes convey water in the auxiliary water tank into the switching pipe, and the water enters the water inlet pipe through the switching pipe to help the welding main machine to carry out auxiliary cooling; the problem that the welding host is overheated is avoided, and safe use of the welding host is guaranteed.

The invention discloses punching equipment for crankshaft production, and relates to the field of punching equipment, the punching equipment comprises a machining table, a chip removal box and two electric control clamps are mounted on the machining table, two crankshaft charge bars are placed on the machining table, and the electric control clamps are used for clamping the crankshaft charge bars. It needs to be explained that in the punching process of the crankshaft charge bar, when the electric control clamp clamps the crankshaft charge bar in place, holes in the lifting isolation plate and the buffering isolation plate are aligned with the crankshaft charge bar, the clamping stability of the electric control clamp is guaranteed, and if a drill rod is excessively abraded or fractured, the buffering isolation plate stops moving upwards, and therefore the crankshaft charge bar is punched. Meanwhile, an emergency stop switch is triggered, so that the motor is suddenly stopped, the punching work is paused, and the problem of insufficient punching depth is avoided; in addition, in the moving process of the sliding drill floor, the cleaning integrated frame drives the cleaning sleeve to clean the drill rod, scrap iron is prevented from being wound or attached to the drill rod, cleanliness of the drill rod is guaranteed, and then the punching quality is guaranteed.

The utility model discloses a novel belt conveyor protection device, which belongs to the field of belt conveyors and is characterized in that a monitoring device is arranged and assembled on a belt adjusting device of a conveying belt, so that the monitoring device and the belt adjusting device move synchronously, belt adjusting is not affected, and a travel switch is propped against the conveying belt for monitoring; meanwhile, the travel switch is connected with an alarm and serves as an emergency stop switch of the belt conveyor, so that alarm and emergency stop can be triggered after certain belt expansion occurs on the belt conveyor, timely cleaning is facilitated, and the belt conveyor is prevented from being damaged by belt expansion; when alarm and sudden stop are triggered, the monitoring assembly rod can also abut against the compression spring to move, the situation that the monitoring device is damaged by the expansion belt is prevented, and meanwhile, the assembly extension rod of the travel switch adopts the assembly mode that the half-wrapping assembly block is combined with the screw and the cover plate to abut against the assembly extension rod. The assembly extension rod can be quickly increased or decreased, and the monitoring position can be quickly adjusted by rotating the screw rod, so that the use is convenient.

The automatic dormancy control system of the new energy forklift comprises a circuit formed by connecting a power supply assembly and a key switch in series, the output end of the key switch is respectively connected with a main controller, an intelligent instrument and a low-voltage load, the power supply assembly comprises a lithium battery, and the lithium battery is connected with the intelligent instrument. The lithium battery is respectively connected with a battery DC-DC converter and a battery main control switch, and the battery DC-DC converter is connected with the battery BMS; the output end of the power supply assembly is connected with a dual emergency stop switch, one end of a switch K1 in the dual emergency stop switch is connected with the battery BMS through a coil of the relay, and the other end of the switch K1 is directly connected with the battery BMS to form a dormancy detection loop; one end of a switch K2 in the double emergency stop switch is connected with the anode of the lithium battery through a normally-closed switch of the relay, and the other end is connected with the key switch. When it is monitored that the whole vehicle is in a dormant state, power supplies such as a main controller, an intelligent instrument and a low-voltage load are cut off, so that energy loss is reduced, and related parts such as a battery are protected.

The invention discloses a coal falling pipe coal overflow protection device, and relates to the technical field of coal falling pipe coal overflow protection, the coal falling pipe coal overflow protection device comprises a coal receiving assembly, the coal receiving assembly comprises a coal receiving box, the coal receiving box is arranged on one side of a belt coal conveyer under a coal falling pipe, and the coal receiving box is provided with a coal receiving groove with a top opening and is used for receiving coal falling pipe coal overflow; the suspension assembly comprises a pull rope, a static pulley and a pulley support. On the basis that an original mechanical material blocking switch is reserved, the additional coal overflow protection device is provided, through mutual cooperation of the coal receiving assembly and the hanging assembly, when coal in the coal falling pipe rises and overflows, overflowing coal briquettes can be received in time through the coal receiving assembly, and under the action of gravity, the coal is prevented from overflowing. The emergency stop switch of the belt coal conveyer is rapidly pulled through the pull rope in the suspension assembly, so that the belt stops running, coal briquette accumulation and further coal overflow are avoided, and the emergency stop device can be used as the last defense line to prevent coal overflow accidents under the condition that a mechanical material blocking switch fails.

The invention discloses a coal falling pipe coal overflow protection device, and relates to the technical field of coal falling pipe coal overflow protection, the coal falling pipe coal overflow protection device comprises a coal receiving assembly, the coal receiving assembly comprises a coal receiving box, the coal receiving box is arranged on one side of a belt coal conveyer under a coal falling pipe, and the coal receiving box is provided with a coal receiving groove with a top opening and is used for receiving coal falling pipe coal overflow; the suspension assembly comprises a pull rope, a static pulley and a pulley support. On the basis that an original mechanical material blocking switch is reserved, the additional coal overflow protection device is provided, through mutual cooperation of the coal receiving assembly and the hanging assembly, when coal in the coal falling pipe rises and overflows, overflowing coal briquettes can be received in time through the coal receiving assembly, and under the action of gravity, the coal is prevented from overflowing. The emergency stop switch of the belt coal conveyer is rapidly pulled through the pull rope in the suspension assembly, so that the belt stops running, coal briquette accumulation and further coal overflow are avoided, and the emergency stop device can be used as the last defense line to prevent coal overflow accidents under the condition that a mechanical material blocking switch fails.

The invention provides a drive control circuit, a drive control device and a surgical robot, an emergency stop instruction is generated through an emergency stop switch circuit according to the emergency stop operation of a user, and a first emergency stop control signal is generated through an emergency stop detection circuit according to the emergency stop instruction; the signal processing circuit generates a corresponding enabling control signal according to the first sudden stop control signal and outputs the enabling control signal to the enabling end of the driving circuit, so that the driving circuit is controlled to drive the load to be in a corresponding working state, and the purpose of sudden stop of the load is achieved.

The invention provides a test system of a direct current charging pile. The test system comprises a programmable load; the I / O controller is connected with one end of the I / O controller after the plugs and the sockets of the different functional units of the direct current charging pile are butted; and the control system is used for outputting a control instruction to the I / O controller, so that the I / O controller outputs a driving signal to the functional units according to the control instruction to respectively perform on / off control. According to the invention, on-off of each function signal can be respectively controlled according to test case requirements, and automatic gun insertion and extraction, automatic card swiping authentication and automatic charging pile off-line and on-line in a charging pile system test process are realized. The system can automatically drive an emergency stop switch and an access control switch, automatically adjust the temperature change of a charging gun, automatically load and adjust the size of a load, and automatically achieve the power supply and outage of a charging pile, and does not need the manual intervention of a tester in the testing process, thereby solving the problem of poor consistency of manual operation, and improving the testing efficiency. And the test efficiency of aging test, repeatability test and the like can be greatly improved.

This automated guided vehicle (AGV) is used to transport parts, products, and other items within facilities such as factories, warehouses, hotels, hospitals, libraries, and offices. The rear of the vehicle is equipped with a towing hook for towing a cart carrying the object. A rod-shaped platform is installed on the top front surface. A pair of drive wheels are installed on the bottom surface, with driven wheels located near the four corners. Sensors such as LiDAR are installed on the front side and on the rod-shaped platform for measuring the vehicle's position and detecting obstacles. When viewed from above, the vehicle's roughly rectangular shape is adorned with indicator lights on the sides of the truncated corners that indicate the vehicle's operating status. A cart carrying the object is connected to the towing hook, either directly or via a connecting jig. By towing the object, the vehicle can transport various items unmanned. This vehicle can travel using methods such as magnetic guidance and SLAM guidance. Operation can be stopped by pressing the emergency stop switch during transport or other operations.

The utility model discloses a snakelike rubber tube cut-off machine which comprises a control device, and a feeding device, a clamping device, a guiding device, a cut-off device, a rolling device, an emergency stop switch and an anti-disordered-throwing device which are electrically connected with the control device, and the control device controls the devices to be matched with one another to cut off a snakelike rubber tube. The device can be suitable for snakelike rubber pipes of various models, and when the snakelike rubber pipes of different models need to be cut, only the pipe diameter guide jig needs to be replaced; in the whole cutting-off process, the feeding device, the clamping device and the guiding device are matched with one another, so that the multiple snake-shaped rubber pipes are clamped and fixed and move to the cutting-off device to be cut off according to a certain path, manual clamping and manual feeding are not needed in the process, operation is easy, the automation degree is high, the working efficiency is high, and the cutting sections of the snake-shaped rubber pipes are smooth; the defective rate is low.

The invention discloses an automatic multifunctional BGA rework station, belonging to the field of BGA equipment, comprising a machine head, wherein the machine head is provided with an exhaust gas extraction system, a three-color indicator light, an emergency stop switch, a grating protection system, a caster foot cup and an oil mist separator in sequence from outside to inside and from top to bottom, an industrial computer is provided in a lower cover of the machine head, a display bracket is provided in the right front of the machine head, two displays are provided on the display bracket, a keyboard and mouse placement plate is provided on one side of the display, and a keyboard and mouse are placed on the keyboard and mouse placement plate, a reference bottom plate is provided under the machine head, and a preheating lifting system, a preheating box, a first cooling system, an optical alignment system, a moving temperature zone, an auxiliary axis, a moving temperature zone X axis, a moving temperature zone Y axis, a lower hot air system, a stage mechanism and a feeding system are provided in sequence from bottom to top on the reference bottom plate; the equipment integrates multiple functions in one, has an ultra-large preheating temperature zone, and has automatic dismantling and welding functions, can complete the rework of BGA in an integrated manner, and reduces the workload.

Industrial truck, in particular a reach truck with a driver's seat, a steering unit and an emergency stop switch having an actuating direction, wherein the steering unit has a rotatably mounted steering wheel and a position of the steering unit is adjustable relative to the driver's seat, wherein the emergency stop switch is integrated into the steering unit.

The invention relates to the technical field of emergency stop switches, in particular to an emergency stop switch device and a hydraulic support electric control device, which comprise a push rod seat, a push rod axially connected to the push rod seat in a sliding manner, and a pressing trigger switch and a rotating trigger switch which are positioned at the bottom of the push rod seat. According to the invention, one push rod is adopted to respectively trigger the two independent switches through different motion combinations, so that the operation integration is realized, and the compactness and the integration degree of the switching device are remarkably improved while the functions of the switching device are ensured. In practical application, for example, as an emergency stop locking device of equipment, an operator can send out different control instructions through the linear pressing or rotating action of the push rod, and various safety requirements are met. The whole device is compact in structure, small in number of parts, convenient to install, suitable for occasions with limited space, easy to maintain and low in cost.

The utility model discloses a road roller contact type anti-collision system which comprises two mounting bases, a mounting bracket is fixedly mounted at the upper ends of the two mounting bases, a travel switch is fixedly mounted on the inner wall of each mounting bracket, and the travel switches are fixedly mounted on the mounting brackets. A tensioning device is fixedly installed on the back face of each of the two installation supports, a safety protection plate is fixedly installed on the outer surfaces of the two tensioning devices through a connecting rod, and a travel switch is connected with an emergency stop switch through a signal line. And the safety is poor. According to the technical scheme, the contact type anti-collision system of the road roller is provided. The anti-collision device, namely the safety protection plate, is arranged in front of the road roller, so that emergency braking and automatic flameout operation of the road roller are finally achieved, collision accidents are effectively avoided, and the active safety of the road roller in a complex construction environment is greatly improved.

The utility model discloses a batch controller capable of preventing misoperation. The batch controller comprises a protection box body, a plurality of controller bodies are installed in the protection box body, a plurality of emergency stop switches are installed on the outer side of the protection box body, a limiting mechanism is installed on the protection box body, and a reset mechanism is installed on the protection box body. The limiting mechanism comprises a moving plate, a round hole and a limiting frame; the reset mechanism comprises a rotating rod and a rotating frame. The batch controller has the beneficial effects that the batch controller is provided with a plurality of scram buttons, each scram button can independently control one set of processing procedure or production equipment, when a certain set of processing procedure or production equipment goes wrong, the corresponding scram button can be pressed down, and only the set of processing procedure or production equipment is stopped, so that the batch controller is convenient to operate. And other machining procedures or production equipment cannot be affected, then the machining efficiency is guaranteed, the emergency stop switch can be protected through the movable plate and the limiting frame, mistaken touch is prevented, and potential safety hazards are reduced.

The utility model provides an elevator safety circuit teaching training box, which comprises a box body, a cover body, a bearing piece, a circuit board, an emergency stop switch and a limit switch, and is characterized in that the box body is internally provided with a first accommodating cavity; the cover body is rotationally connected to the box body, and a second containing cavity is formed in the cover body; the bearing piece is arranged in the first containing cavity and provided with a plurality of containing grooves. The circuit board is arranged in the second accommodating cavity and is provided with a safety loop line; the emergency stop switch is arranged in the containing groove and electrically connected to the circuit board. The limit switch is arranged in the containing groove and electrically connected to the circuit board. According to the elevator safety circuit teaching practical training box of the utility model, the circuit board is provided with the elevator safety circuit line, and therefore, connection of electrical switches at all positions of the elevator safety circuit can be simulated, and students can be helped to understand the composition and position layout of the elevator safety circuit electrical circuit; and knowledge contents such as maintenance and replacement can be known through the electrical switch, so that the teaching pertinence is better, the use is more convenient, and the teaching effect is better.

The invention belongs to the technical field of assembly machining, and discloses an assembly tool testing table and a rapid positioning method, and the assembly tool testing table comprises a displacement unit, a test plate installation unit, a drill plate installation unit, and a chip and cooling liquid collection and storage unit; the displacement unit comprises an operator, a controller, a motor, a linear guide rail, a manual locking device, a comprehensive moving support, an emergency stop switch and a leakage protector; the test panel mounting unit comprises a cabin body, a cabin door, a sensor and a pneumatic locking device; the drill plate mounting unit is used for manually locking a drill plate; the chip and cooling liquid collecting and storing unit is used for collecting chips and cooling liquid generated in the cutting process and comprises a drawable wind belt storage area, a tool storage area, a test plate storage area and an auxiliary tool storage area. The test efficiency and the machining quality of the assembly cutter can be effectively improved.

The utility model discloses an automatic glue spraying device for a carbon fiber felt, which is characterized in that a transmission device is positioned in a fixing device, a lifting device, a back swing device, a liquid supply and return device, a first emergency stop switch, a second emergency stop switch and an infrared sensor are mounted on the fixing device, the lifting device is respectively connected with the back swing device and a spray head, and the liquid supply and return device is connected with the spray head; the electric control cabinet is provided with an alarm indicating lamp, and the electric control cabinet is connected with the transmission device, the first emergency stop switch, the second emergency stop switch, the infrared sensor, the lifting device, the back swing device and the liquid supply and return device. According to the utility model, the automatic glue spraying treatment on the fibrofelt is realized, the problems of low working efficiency, non-uniform spraying, easiness in staining an operator, pollution to the environment and the like in the aspects of glue spraying of the fibrofelt are solved, and meanwhile, a glue solution can be well recycled through the sprayed liquid recycling system, so that the processing cost is greatly saved, the standard of process indexes is improved, and the product quality is improved. The safety risk of the working link is reduced, and the use effect is remarkable.

The invention discloses an emergency stop system of a container type power supply and a control method, and relates to the technical field of container type energy supply control, the emergency stop system comprises an emergency stop trigger module, a control relay and at least one execution module; the emergency stop triggering module comprises a plurality of emergency stop switches, and all the emergency stop switches are connected in series to form a hard wire control loop; the control relay is connected in series with the hard wire control loop and the execution module, and the on-off of the control relay is controlled by the sudden stop trigger module; the execution module is connected with a power loop of the battery cluster. According to the invention, a control loop with a simple structure is arranged, low-cost emergency stop control of the container type power supply is realized, and the reliability and compatibility of control are improved at the same time.

The utility model belongs to the technical field of tablet presses, and discloses a tablet press which comprises a tablet press body, a touch screen, an emergency stop switch, a main power switch and a buzzer, and the touch screen, the emergency stop switch, the main power switch and the buzzer are mounted on the surface of the tablet press body. The surface of the tablet press body is provided with a powder removing sieve power supply interface, the surface of the tablet press body is provided with a dust remover power supply interface, the surface of the tablet press body is provided with a dust remover control interface, and the surface of the tablet press body is provided with a dust remover interface. The full-automatic tablet screening machine has the functions of full-automatic control of the programmable controller and the touch screen, automatic tablet weight control, automatic batch rejecting and automatic batch sampling, and has the advantages that the dust remover (starting, stopping and dust removal) and the powder removal sieve (starting and stopping) can be jointly controlled to work.

The shore-based charging device comprises a shore power equipment shell, a rear cover plate is installed on the rear end face of the shore power equipment shell, a human-computer interface touch screen and an operation indicating lamp are installed on the front end face of the shore power equipment shell, a groove is formed in the front end face of the shore power equipment shell, and a power source is arranged in the groove. The shore power equipment comprises a shore power equipment shell, a groove is formed in the shore power equipment shell, an industrial socket is installed in the groove, a wire slot is formed in the shore power equipment shell, a main control board and a protection module are installed in the shore power equipment shell, and an emergency stop switch is arranged at the top end of the right side of the shore power equipment shell. According to the utility model, a convenient and safe power supply scheme can be provided for the yacht when the yacht is parked on the shore, so that rapid payment and rapid power utilization of the yacht can be realized, various protections such as emergency stop switch protection, overcurrent protection, overvoltage protection, undercurrent protection, undervoltage protection, open-phase protection, leakage protection, surge protection and the like are integrated, and the safety of personnel and equipment can be better protected.

The invention discloses a commercial vehicle redundancy braking control method, and belongs to the technical field of automobile braking redundancy control, a chassis control ECU is included, the chassis control ECU serves as a control center of a vehicle chassis, the chassis control ECU is in communication connection with a braking control ECU and a parking control ECU, and the braking control ECU and the parking control ECU are in communication connection. The chassis control ECU communicates with the braking control ECU and the parking control ECU and controls the braking control ECU and the parking control ECU, the chassis control ECU further has the capability of interacting with an unmanned control system by additionally arranging an additional module, and the chassis control ECU is provided with a plurality of emergency stop switches, so that the braking control ECU and the parking control ECU can be switched on and switched off through the emergency stop switches. The control power supply of the power system and the brake system of the vehicle can be quickly cut off in emergency, the vehicle can be safely stopped, the possibility of accidents is greatly reduced, the redundancy control method ensures that when any one of electric signals or mechanical signals fails, the other signal can still work effectively, and the safety of the vehicle is ensured. Therefore, the braking performance of the vehicle under various conditions is ensured, and the driving safety is improved.

Provided is a work machine capable of undergoing a safe and reliable stop operation implemented by a nearby worker. This work machine comprises a lower traveling body, an upper turning body mounted on the lower traveling body so as to be turnable, and an emergency stop switch (50) attached to the upper turning body. The emergency stop switch (50) has an operation surface (53), and the operation surface (53) faces the outside in the width direction of the upper turning body such that a worker positioned on the side of the work machine can apply a stop operation to an operation part of the operation surface (53) in a posture in which the front-rear direction of the upper turning body and the front-rear direction of the lower traveling body match each other.