638results about "Engineering safety devices" patented technology

The invention discloses an automatic die changing control system of a press machine. The automatic die changing control system comprises a programmable logic controller, electrical hardware electrically connected with the programmable logic controller and an execution component. The programmable logic controller is configured to achieve the control functions of sliding block die-filling height adjustment, balancer air pressure adjustment, die clamping device action, movable workbench operation and die identification number switching, and triggers at least two control functions to be executed in parallel in the die changing process. The programmable logic controller is connected with all electrical hardware and execution components through preset program logic so as to control starting, running and ending of the automatic die changing process in the whole process.

Described is a facility for palletising products and a method for palletising products. The facility has a pick area for picking up the products, and two place areas for placing products on pallets. The facility includes a work station situated between the two place areas and the facility includes a separating wall that moves between a first position between the work station and the first place area, and a second position between the work station and the second place area, so as to alternately separate one of the two place areas from the work station.

The utility model relates to the technical field of bending devices, in particular to a bending device for furniture processing. Comprising a large gear and a small gear which rotate on the top of the base, the large gear and the small gear are connected in a meshed mode, a circular plate is arranged on the top of the large gear, a cylinder is arranged on the top of the circular plate, a bearing plate is fixed to one side of the circular plate, a bearing block is arranged on the portion, located on one side of the small gear, of the top of the base, and a frame plate is arranged on one side of the bearing block. A first motor for driving the small gear to rotate is arranged at the top of the frame plate, clamping assemblies are arranged at the top of the bearing plate and the top of the bearing block, a steel bar is placed at the top of the bearing block and the top of the bearing plate and clamped by the two clamping assemblies and the cylinder, and the steel bar is bent when the large gear rotates. The top of the base is covered with a protection assembly, and a limiting edge for limiting the protection assembly is arranged on the side edge of the top of the base. According to the bending device for furniture processing, steel bars with various diameters can be bent, chippings splash out in the bending process, and operators can be well protected.

The invention relates to a method for preventing safety cell penetration by a laser tool (7), which laser tool (7) is manipulated by a serial manipulator (2) and enclosed by a safety cell (9, 10), which method comprises the steps of: reading the orientation of each joint (3-6) of the serial manipulator (2); calculating the position and orientation of the laser tool (7) using the read orientations of the joints (3-6) and the geometry of the serial manipulator (2); calculating the intersection point of the laser beam (14) axis of the laser tool (7) with a wall of the safety cell (9, 10), calculating the heat input of the laser beam (14) at the intersection point; shutting down the laser beam (14) of the laser tool (7) when the calculated heat input rises above a preset threshold. The invention relates also to a combination of a serial manipulator (2), a laser tool (7), a CNC controller (11), a safety cell (9, 10), and a prevention device (16).

The invention discloses a continuous bending device for sheet metal working, which comprises a device main body, and further comprises a die frame and a driving assembly, the die frame and the driving assembly are simultaneously mounted on the device main body, and the driving assembly is used for driving the die frame to move longitudinally; the male dies are fixedly connected to the die frame. The female die is fixedly connected to the device body, and the male die is located over the female die; the protection mechanism and the wiping mechanism are simultaneously connected to the outer side of the mold frame; the protection mechanism comprises a hard baffle plate which is fixedly connected to one side of the mold frame; the acrylic plate is fixedly embedded in the inner wall of the hard baffle; the soft baffle is fixedly connected to the outer wall of the bottom end of the hard baffle; and a plurality of high-pressure nozzles fixedly communicate with the inner wall of the bottom end of the air conveying pipe at equal intervals, and the multiple high-pressure nozzles penetrate through the bottom end of the hard baffle at the same time. The continuous bending device for sheet metal working has the effects that the danger degree can be further reduced, and meanwhile equipment loss caused by repeated shutdown can be avoided.

The invention relates to the related technical field of strength characteristic detection, and discloses bolt strength coefficient detection equipment, which comprises a tension testing machine, and the tension testing machine comprises an upper clamp body and a lower clamp body which are matched with each other in position; the equipment further comprises a tension component, a telescopic component and a connecting component. Wherein the tension component controls the telescopic component; therefore, splashing detection samples and broken sample bolts can be intercepted in all directions so as to prevent the detection samples from splashing on the tension testing machine, the intercepted detection samples can be automatically collected, and collection limiting can be automatically unlocked so that workers can conveniently clean the collected detection samples. Therefore, the tension tester not only can protect personnel safety, but also can protect the tension tester itself to prolong the service life of the tension tester, and the tension tester has multiple functions and is simple and practical in structure.

The utility model discloses an adjustable efficient energy-absorbing protective grille, which relates to the technical field of protective grilles and comprises an explosion-proof shell, a first connecting plate, a second connecting plate and a plurality of triangular hollow plates. And the first connecting plate and the second connecting plate are arranged in the explosion-proof shell. And the first connecting plate is fixedly connected with the explosion-proof shell. And the second connecting plate is fixedly connected with the explosion-proof shell. And the plurality of triangular hollow plates are mounted in the explosion-proof shell at equal intervals and are respectively connected with the first connecting plate and the second connecting plate in a sliding manner. Under the cooperation of the handle and other parts, the triangular hollowed-out plates synchronously move in the direction of the sliding grooves, when the triangular hollowed-out plates are unfolded along the sliding grooves, light is not transmitted among the triangular hollowed-out plates, air can circulate among the triangular hollowed-out plates, the protection performance and the energy absorption efficiency of the protective grille are improved, and the protective grille is suitable for being used for a large number of people. And the triangular hollow plates can retract by reversely rotating the handles, so that the applicability and the convenience of the protective grating are improved.

A safety system (12) for an exit module (10) of a converting machine (4), the converting machine for processing of sheet material, the exit module for outlet of a stack (8) of processed sheet material and comprising a conveyor system (16) for transmission of said stack of processed sheet material, the safety system comprising: a presence detection system (22) for detection of an intruding object into an adaptive safety zone (24).

A startup control circuit includes a direct current (DC) conversion circuit, a main control unit, a first switch circuit and a second switch circuit. The first switch circuit is connected to the battery pack and the DC conversion circuit. The second switch circuit is connected to a battery pack, the DC conversion circuit, and a main control unit. The first switch circuit is configured to activate the DC conversion circuit to supply power to the second switch circuit and the main control unit after the first switch circuit is triggered. The second switch circuit outputs different voltage waveforms based on different timing sequences of currents flowing from the battery pack and the DC conversion circuit to the second switch circuit. The main control unit is configured to output a first drive command when receiving a first voltage waveform.

This utility model discloses a needle roller pressure plate structure, belonging to the field of bearing needle roller technology. It includes a support assembly comprising a support base with a guide shaft and a first screw fixedly inserted inside, the first screw having a first hand-tightening nut threadedly connected to its external surface; a support plate slidably connected to the outside of the guide shaft and the first screw; a lifting assembly and a protective pressure plate. The lifting assembly is fixedly connected to the outer wall of the support plate, and the lifting end of the lifting assembly is connected to the protective pressure plate. The lifting assembly is used for height adjustment of the protective pressure plate. Through the support assembly, the support plate can be horizontally and stably supported, while simultaneously achieving lateral horizontal displacement of the support plate. This allows for left-right horizontal adjustment of the protective channel formed by the support plate and the pressure plate, effectively adapting the distribution of the protective channel to limit and protect needle rollers of different lengths, greatly improving the protective adaptability of the device.

A hinge is provided for interconnecting panels of the machine guarding. The hinge has a socket portion including a socket surface defining a cavity and a barrel portion including a generally cylindrical barrel extending along an axis and being receivable in the cavity of the socket portion. First and second lock assemblies are operatively connected to opposite ends of the barrel portion and the socket portion. Each lock assembly is movable between a first position wherein the barrel portion pivotable about the axis relative to the socket portion and a second position wherein the barrel portion is fixed relative to the socket portion.

The utility model discloses a speed control device for guide hole drilling, which relates to the technical field of rock stratum drilling and comprises a fixed frame body, a drilling machine body is arranged in the fixed frame body, a telescopic rotating motor is arranged in the drilling machine body, and a rotating drill bit is arranged at the bottom end of the telescopic rotating motor. The telescopic rotating motor and the rotating drill bit are used for conducting vertical forward hole guiding on the courtyard. Through the fixing frame body, the inserting plate, the connecting block and the gradienter body, the state that the rotary drill bit moves downwards all the time is kept, it can be guaranteed that when the rotary drill bit drills holes, the fixing frame body can protect operators, the rotary drill bit keeps the state of moving downwards all the time, the drilling process can be continuously conducted, and the drilling efficiency is improved. And time waste caused by stagnation or adjustment of the rotary drill bit is reduced. The design of the fixed frame body provides a safe barrier for operators, and the rotary drill bit can be prevented from hurting the operators due to drill bit breakage or rock splashing in the drilling process.

The invention belongs to the technical field of housing construction engineering, and discloses a steel bar positioning and bending device for housing construction engineering, which comprises a cabinet, the top of the cabinet is fixedly connected with a workbench, the workbench is provided with a bending assembly, and the middle position of the bending assembly is provided with a positioning assembly. A bending length adjusting assembly is arranged on the left side of the bending assembly, the workbench is connected with a protection assembly, in the bending length adjusting assembly, a third motor drives a lead screw and is matched with a lead screw nut to drive an L-shaped rod and a positioning baffle to move, a pointer and a distance ruler display the position in real time, and compared with manual measurement marking, the automatic adjusting precision is high, the efficiency is high, and the working efficiency is high. When stair flight reinforcing steel bars are machined, the bending length can be rapidly and accurately set, and the step modulus is matched; and in large-scale standard layer construction, batch processing can also ensure that the bending lengths of the steel bars are consistent, rework is reduced, and the method is suitable for standardized production of fabricated buildings.

An object detection system (1) includes a robot (10), laser sensors (30), and a control apparatus (20). The robot (10) includes a capacitive proximity sensor (110) disposed on an articulated arm (11) of the robot (10). The capacitive proximity sensor (110) detects an interfering object (2). The laser sensors (30) irradiate laser to detect the interfering object (2). The control apparatus (20) is programmed to stop or decelerate operation of the robot (10) based on a detection of the interfering object (2) by at least one of the capacitive proximity sensor (110) and the laser sensors (30).

A new laser beam transport system comprises a structure and at least one detector. The structure comprises an inner tube, defining an input end and an output end, and an outer tube surrounding the inner tube so as to define a volume therebetween. The volume is closed such that ambient radiation cannot enter the volume. The at least one detector is configured to detect the presence of radiation in the volume and operable to generate a signal if an amount of radiation above a threshold level is detected. A new laser system comprises such a laser beam transport system and a radiation source operable to generate a radiation beam that propagates through an interior volume defined by the inner tube, from the input end to the output end. A new laser-produced plasma radiation source comprises such a laser system.

The invention provides an electric tool. The electric power tool has a housing, a handle, and a connector. The housing includes a housing-side connection portion having electrical conductivity. The handle includes a conductive handle-side connection portion, a detection portion capable of detecting a detection value, a handle-side conduction portion electrically connected to the detection portion, and an insulation portion electrically insulating the handle-side connection portion and the handle-side conduction portion. The connector includes a main body portion having an insulating property, and a housing-side conduction portion attached to the main body portion and electrically connected to the detection circuit. The handle-side conduction portion is electrically connected to the housing-side conduction portion in a state where the handle-side connection portion is connected to the housing-side connection portion. The housing-side conduction portion is electrically insulated from the housing-side connection portion by the main body portion. Therefore, the reduction of the detection precision of holding the handle can be inhibited or prevented.

A fall protection system includes a substantially vertical guardrail post defining a first post side and a second post side; a lateral safety guardrail extending substantially horizontally from the guardrail post; and a pillar attachment assembly comprising a pillar attachment device and a flexible pillar attachment strap, the pillar attachment device mounted to the first post side of the guardrail post, and the flexible pillar attachment strap extending substantially horizontally from the pillar attachment device and configured to wrap around a structural component, wherein a free end of the pillar attachment strap opposite the pillar attachment device is releasably secured to the guardrail post.

The invention relates to a monitoring device (100) with sensor means for monitoring the protective field of a system, whereby a safety function is triggered depending on sensor signals from the sensor means, and the safety function brings the system into a safe state. The sensor means monitor two protective fields (9) arranged opposite each other at a distance from one another, the maximum distance between the protective fields (9) being less than or equal to the size of the smallest detectable object (O). The safety function is triggered only if an object is simultaneously registered in both protective fields (9).

The present invention provides a PPE-N system that comprises PPE components, smart tags, smart tag readers configured to detect within working ranges and trigger audio-visual alarms and send a warning to a predetermined person, and a hub that compares signals from the smart tags to help assess the PPE-N component health. The present invention further comprises waypoints to verify that the PPE component conforms to requirements of the PPE component and determine whether the PPE component is permitted in a predetermined area.

A safety laser scanner has automatic zone set switching based on its displacement from a reference position. A safety module of the safety laser scanner determines the displacement based on a first signal received from an encoder where the first signal is indicative of movement of the safety laser scanner. The safety module receives a second input when the safety laser scanner is at a reference position and that indicates zero displacement. The safety module selects one of a plurality of zone sets based on the displacement, where each zone set defines a safety zone corresponding to displacement of the safety laser scanner from the reference position. The safety laser scanner generates an output when an object is detected in the safety zone of the selected zone set. The safety laser scanner is positionable on a platform of a machine that moves relative to a stationary portion of the machine.

The utility model provides a safe unpacking and feeding platform. The safe unpacking and feeding platform comprises a working table, a safety fence and a step ladder, wherein the working table is used for temporarily placing a plastic bottle square bag; the safety fence is arranged in an area above one side of the working table; wherein a safety door capable of being opened or closed is arranged on one side, facing the step ladder, of the safety fence, and an operation opening is formed in the other side of the safety fence, so that an operator can conveniently stand in the safety fence and cut off a binding iron wire wound on a plastic bottle square bag by using a bolt clipper; an iron wire fixing device is arranged on the other side of the workbench and used for temporarily pressing and attaching the suddenly-broken binding iron wire to the side face of the plastic bottle square bag when the binding iron wire is cut off, and the platform is mainly used for providing a safe working environment for operators and ensuring that the operators cannot be hurt by the binding iron wire in the process of removing the binding iron wire on the plastic bottle square bag.

An embodiment includes an auto-darkening apparatus for supporting welding performed by a human welder. The auto-darkening apparatus includes a housing configured to be removably installed into a welding helmet. The auto-darkening apparatus also includes an ADF lens assembly configured to transition from an un-darkened state to a darkened state in response to light from an arc being formed between a welding electrode and a work piece during a welding process. The auto-darkening apparatus further includes a magnification assembly integrated with the ADF lens assembly within the housing. The magnification assembly is configured to provide magnification of light coming through the ADF lens assembly. The magnification is continuously user-adjustable from a defined lower level of magnification to a defined upper level of magnification.

The utility model discloses an extrusion die for parts, which comprises an extrusion die, the extrusion die comprises a base, a die and an extrusion groove, the die is fixed in the middle of the upper end of the base, and the extrusion groove is formed in the middle of the upper end of the die; the part placing assembly comprises a first inclined panel, a second inclined panel, a baffle, a first supporting plate, a second supporting plate, a through hole and an adjusting screw rod, the second inclined panel is welded to the lower end of the first inclined panel, and the lower end of the second inclined panel is placed at the upper end of the mold and located on the side edge of the extrusion groove; the baffles are welded to the two sides above the first inclined panel and the second inclined panel, the first supporting plate and the second supporting plate are fixed to the two ends below the first inclined panel respectively, the through hole is formed in the middle of the lower section of the second supporting plate, and the adjusting screw is connected into the through hole in a screwed mode. The problems that when a worker holds a metal block by hand and places the metal block in an extrusion groove, an extrusion rod is right located above a placing groove, and certain potential safety hazards exist are solved.

To provide a safety switch which is designed in a small size and in compact so as to allow a guard locking via a bolt and can effectively and safety perform the guard locking in an energy-saving type.SOLUTION: A safety switch (10) comprises: a movably mounted locking bolt (30) configured to lock an actuator (12) in a defined locking position relative to the safety switch (10); and a movably mounted locking bulkhead (60) capable of moving in and out between a first position and a second position. The locking bulkhead (60) is configured to fix the locking volt (30) in the second position via a form fit.SELECTED DRAWING: Figure 2

The invention relates to a method for positioning at least one real sensor, in particular a safety sensor or a camera for industrial safety applications, in a real environment of an industrial plant by means of an augmented reality view based on the real environment of the industrial plant, wherein at least one simulated parameter of a virtual sensor is visualized for a user in the augmented reality view by means of a display device, wherein the virtual sensor is based on the real sensor to be positioned, wherein the simulated parameter comprises at least one position parameter, wherein the at least one position parameter specifies a position and / or an orientation of the virtual sensor in the augmented reality view, and wherein a change in the position parameter is obtained.wherein the updated position parameter based on the received change is visualized for the user in the augmented reality view by means of the display device, and wherein at least one output parameter is output which is based on the updated position parameter of the virtual sensor and which enables the positioning of the real sensor in the real environment.

The utility model discloses a fiber dispersion and orientation device in the non-woven fabric production process, and relates to the related field of non-woven fabric production, the fiber dispersion and orientation device comprises a fiber dispersion machine, a static electricity removing device, an orientation device and a control mechanism, the right end of the fiber dispersion machine is fixedly connected with the static electricity removing device, the left end of the fiber dispersion machine is fixedly connected with the orientation device, and the control mechanism is fixedly connected with the fiber dispersion machine. The left end of the top of the orienting device is fixedly connected with a control mechanism, an electrostatic eliminating device is arranged, an external antistatic agent is conveyed to non-woven fabric fibers through a spray head, static electricity of non-woven fabric in the production process is reduced, black spots of non-woven fabric products are prevented, defective products are reduced, and the control mechanism is arranged, so that when the orienting device breaks down or has potential safety hazards, the electrostatic eliminating device can be used for eliminating static electricity. The control switch controls the orienting device to stop working, so that the orienting device is prevented from being further damaged or causing personal injury.

Optical sensor (1) with at least one light beam emitting transmitter (3), at least one light beam receiving receiver (4) and an evaluation unit designed for evaluating received signals from the receiver (4), wherein the light beams (2) are guided through at least one sensor window (13) of a housing (6), characterized in that the sensor window (13) consists of a component having various components with which areas of different optical properties are formed for the light beams (2).

To provide a vehicle gate arrangement with first and second shutters, a system comprising the arrangement, and a method of operation.SOLUTION: A vehicle gate arrangement includes: a space (51) for accommodating vehicles (201, 301, 401, 501); a first shutter (52) for separating the space (51) and a first region (11) from each other; and a second shutter (53) for separating the space (51) and a second region (12) from each other, wherein, both the first shutter (52) and the second shutter (53) are each actuatable between an open position allowing passage of the vehicle (201, 301, 401, 501) therethrough and a blocking position restricting passage of the vehicle (201, 301, 401, 501) therethrough, wherein the first shutter (52) and the second shutter (53) are coupled to each other for synchronous movement, and wherein the first shutter (52) and / or the second shutter (53) is / are always in the respective blocking position.SELECTED DRAWING: Figure 5C

The utility model discloses a rotating vibration disc protection device, including clamping material bin shell, the detachable protective cover of installation on clamping material bin shell, and clamping material bin shell and protective cover cooperate, and cover on vibration disc mechanism together, still include locking assembly, set up on clamping material bin shell, and locking assembly includes locking wheel and recess, when locking wheel is located in recess, make protective cover fixed in clamping material bin shell. The utility model discloses through setting up clamping material bin shell and locking assembly, and clamping material bin shell and protective cover cover on vibration disc mechanism together, form all -round closed protection, effectively block outside dust, sundries and operator's accidental contact, reduce equipment damage risk, prolong the service life of vibration disc, and locking assembly can easily realize the locking and unlocking of protective cover through the rotation adjusting lever, and the operation is simple and quick, greatly saves the time and manpower cost of equipment maintenance and maintenance.