105results about How to "Avoid Personal Safety Accidents" patented technology

The invention discloses a tower crane intelligent control system and a tower crane. The tower crane intelligent control system comprises an off-crane remote controller, an on-crane remote controller and an electric controller, wherein the off-crane remote controller is arranged off the tower crane, is communicated with the on-crane remote controller and sends a control command to the on-crane remote controller; the on-crane remote controller is arranged on the tower crane, receives the control command and sends the control command to the electric controller; and the electric controller is arranged on the tower crane, receives the control command and controls the movement execution mechanism of the tower crane according to the control command. So the tower crane intelligent control system has the advantages of comprehensive operation functions, avoiding of visual blind areas, flexible position, and realization of selecting a relative ideal position to operate according to the situation on the ground.

The present invention relates to a loading and unloading manipulator which is characterized by comprising a workbench, a motor, a speed reducing device, a rotating shaft, a rotating platform, a loading mechanism and an unloading mechanism. The motor is controlled by a controller and fixed in the workbench; the input end of the speed reducing device is connected with the motor, and the output end is connected with a gear pair in a gear box; the other end of the gear pair is connected with the rotating shaft; the rotating shaft is arranged vertically; two ends of the rotating shaft are arranged above the workbench through screws; one rotating platform is fixed on the top end of the rotating shaft, and the rotating platform is perpendicular to the rotating shaft; the loading mechanism and the unloading mechanism are fixed on two ends of the rotating platform; the loading mechanism is a sucking disc; and the unloading mechanism is a clamping claw. Due to the adoption of the loading and unloading manipulator during the mechanical processing, the manpower and the production cost are reduced effectively, the occurrence of personal safety accident in the production process is avoided, the requirement of the mass production of the modern industry is met, the production efficiency is improved, and the great economic benefits are brought to the manufacturers.

The invention relates to a vertical material feeding and discharging manipulator which drives a horizontal moving block to move horizontally through a horizontal servo motor and drives a vertical moving column to move vertically through a vertical servo motor. A manipulator box body can be controlled to rotate around a rotating shaft through a rotation control device. A flexible cylinder can control arms of the manipulator to extend and stretch, and rotation of a clamping part can be controlled by rotating a workpiece cylinder, so that manual material feeding and discharging can be totally replaced. The vertical material feeding and discharging manipulator effectively reduces labor and production cost, effectively avoids personal safety accidents in production, meets requirements for modernized industrial volume production, improves production efficiency, is stable in product quality and brings large economic benefit for manufacturers.

The invention relates to an artificial limb state intelligent monitoring and displaying device. The device comprises a monitor, a microprocessor and various signal detection and collection elements, wherein the signal detection and collection elements are connected with the microprocessor through a signal channel, the microprocessor is connected with the monitor through a signal channel, the signals collected by the signal detection and collection elements are input in the microprocessor, the microprocessor analyzes and processes the signals according to a preset program, the processing result is transmitted to the monitor for display; and when the quantity of display information is large, one or two information display switching buttons can be installed. By using the artificial limb state intelligent monitoring and displaying device, the control signals input in the artificial limb and the internal working condition of the artificial limb become visible for the user, thus greatly improving information exchange between the artificial limb and human, providing the user great convenience for flexibly using the artificial limb and correctly judging the working condition and fault of the artificial limb and facilitating the installation, debugging and maintenance of the artificial limb. Therefore, the device is applicable to large-scale popularization and application.

The invention discloses a multi-DC (direct current) source input wiring detection system for detecting the wiring situation between DC sources and access points. Each pair of DC source access points comprises anode and cathode access points; the wiring detection system comprises a gate circuit, a sampling circuit, a controller and a warning unit, wherein the gate circuit comprises a first electric switch and a second electric switch, and the first electric switch and the second electric switch are respectively connected with the anode and cathode access points in one-to-one correspondence; the controller is successively gated with the first electric switch and the second electric switch, only one first electric switch and one second electric switch can be gated every time, and the anode and cathode access points which correspond to the simultaneously gated electric switches are taken as the access points of different DC sources; the sampling circuit correspondingly samples voltage after the first electric switch and the second electric switch are gated to obtain corresponding sampled voltage; the controller outputs an abnormal detection result when the difference value between the sampled voltage and preset voltage is judged to exceed a preset range. The application can perform automatic detection without manual operation, so as to avoid personal safety accidents, save the labor cost and obtain accurate and reliable detection results.

The invention discloses safety firecracker gunpowder mixing and filling equipment which comprises an adding mechanism, a screening mechanism, a mixing mechanism and a filling mechanism which are connected in sequence through a conveyor belt. By means of the equipment, all work of preparation, mixing, filling, automatic residual gunpowder recovery and firecracker cake conveying can be finished on a spot in time, and the amount of gunpowder stored in the equipment is controlled within a relative safe range through dynamic control over the gunpowder amount; static and electrical sparks are comprehensively and completely eradicated through various measures; the equipment has the operating worker safe distance protection function, and a blast wall is arranged for isolation, so that personnel safety accidents are avoided to the maximum extent; the operating safety performance of the equipment is ensured, and a safety coefficient of the equipment is largely increased. Meanwhile, the safety firecracker gunpowder mixing and filling equipment further has the advantages that production efficiency is improved, gunpowder waste is reduced, operating difficulty is decreased, and the service life is prolonged.

The invention discloses a low-voltage electrical testing device. The low-voltage electrical testing device consists of a probe, a current-limiting resistor, a charging state display and a testing handle, and is characterized in that a multi-section insulating rod which can be assembled and disassembled is arranged at the front end of the electrical testing device; the two ends of each section of the insulating rod are respectively provided with a copper stud and a copper nut; the nut is embedded into the end surface of the insulating rod; the stud and the nut of every two sections of the insulating rod can be screwed together; the stud and the nut at the two ends of each section of the insulating rod are connected together through a conducting wire in the insulating rod; the stud and the nut at the two ends of the insulating rod at the most front end are connected with each other through the limiting-current resistor in the insulating rod; the probe is screwed on the insulating rod at the most front end in a threaded connection way; the charging state display is connected with the last section of the insulating rod; and the tail end of the charging state display is connected with the testing handle. By the low-voltage electrical testing device, operating personnel can test whether electrical equipment on an electric pole platform is charged or not without climbing on the electric pole platform, so that human physical strength is saved; the work efficiency and the safety are improved; and the personnel safety accidents are avoided.

The invention discloses a safety device for an elevator and a control method thereof. The safety device for the elevator comprises a safety loop consisting of an emergency stop switch, a safety sensor and a safe operation contactor which are connected serially, as well as a detection loop. The detection signal end of the detection loop is connected with the emergency stop switch, and is used for detecting the recovery signal of the emergency stop switch; and the signal output end of the detection loop is connected with an elevator control system, and is used for starting a time delay program when an effective recovery signal of the emergency stop switch is detected. The elevator safety control method is applied to the elevator control system in the safety recovery process of the emergency stop switch; and when the elevator control system detects the recovery signal of the emergency stop switch and judges the recovery signal to be effective, the time delay program is automatically called, so as to allow the emergency stop switch to recover after a certain period of time delay. The elevator safety device can effectively avoid personal safety accidents from occurring because the functions of an on-site door lock device are shielded and do not recover yet when elevator maintenance personnel withdraw from a door area after elevator shaft operation.

The invention discloses an automatic residue poking method and device for a wind distribution plate of a biomass circulating fluidized bed boiler. According to the technical scheme of the automatic residue poking method and device, an outer sleeve connected with a side wall opening of a residue discharging hole is arranged at the side wall opening of the residue discharging hole of the wind distribution plate and inclines relative to a residue discharging pipe, and a telescopic fluidization wind pipe with a residue poking head and fluidization wind outlets is arranged in an inner cavity of the outer sleeve. When the boiler operates normally, the residue poking head extends into a bed material above the residue discharging hole, and fluidization wind is injected to the periphery of the residue discharging hole through the fluidization wind outlets. When the residues need to be discharged from the boiler, the residue poking head draws back into the inner cavity of the outer sleeve so that the top of the residue poking head can be matched with the side wall opening of the residue discharging hole in a sealed manner. When the residues are blocked in the boiler in the discharging process, the residue poking head stretches out and draws back in the bed material above the residue discharging hole to finish physical stirring, large blocks of residues are broken, and meanwhile ash near the residue discharging hole can be continuously blown by injecting the fluidization wind, so that automatic residue poking is achieved. By the adoption of the automatic residue poking method and device, the defects brought by traditional manual residue poking are effectively overcome.

The invention provides an electric leakage alarm monitoring device which is used for detecting a power transmission line and comprises a moving mechanism and a gluing mechanism. Guide rods are arranged on the front and rear sides of the power transmission line respectively; a moving mechanism driven by a motor is arranged on the two guide rods, the motor is electrically connected with a controller, and the controller is electrically connected with an alarm; a second current sensor and a first current sensor electrically connected with the controller are respectively arranged at the left and right ends of the power transmission line; the gluing mechanism comprises a box body arranged on the moving mechanism, and first through holes are formed in the front side wall and the rear side wall inthe box body respectively; first telescopic rods and electric leakage detection sensors used for detecting electric leakage positions are arranged on the upper inner side wall, the lower inner side wall, the front inner side wall and the rear inner side wall in the box body correspondingly, and first arc plates are arranged on the first telescopic rods; and the first arc plates are provided withglue spraying heads, the glue spraying heads are communicated with a liquid storage bottle through a conveying pipe with a first pump, and a heater is arranged in the box body. When the difference value of the current magnitudes detected by the first current sensor and the second current sensor is greater than a set value, the alarm gives an alarm under control.

The invention relates to a long fine-adjustment rectifying system. The system comprises a mounting base for fixedly mounting a production line, a rectifying device arranged on the mounting base and used for rectifying and positioning a raw material moving path, a detecting sensor for detecting the edge positions of raw materials operated on the rectifying device, and a position adjusting device; the position adjusting device comprises a movable support piece arranged on the mounting base, and a fine-adjustment knob for driving the movable support piece to move back and forth; the detecting sensor is arranged on the movable support piece, and can synchronously move; and in the depth direction of the production line, the fine-adjustment knob extends out of the outermost end surface of an outer shell of the production line. The system cannot influence the production efficiency due to incapability of continuous production caused by stop of the production line due to self protection mechanism, and meanwhile, can prevent hands of operators from extending into a machining area to cause personal accidents to eliminate potential safety hazards.

The invention provides a conveying device for strip-shaped workpieces. The conveying device is provided with a plurality of workpiece transfer discs (62). An electric cylinder (64) arranged above a rack in the longitudinal direction of a conveying stroke is included, and a movable block (38) of the electric cylinder (64) is fixedly connected with a movable plate (65). The lower portions of the left side and the right side of the movable plate (65) are each connected with a fifteenth air cylinder (66). Sixteenth air cylinders (67) are fixedly connected below piston rods of the two fifteenth air cylinders (66). A pair of rotary rods of the sixteenth air cylinders (67) is connected with grippers (68). A front frame (69) and a rear frame (70) for containing the workpiece transfer discs (62) are arranged at the position, below the rear portion of the electric cylinder (64), of the rear portion of the rack. Rodless air cylinders (71) are arranged on the left side and the right side of the rack by spanning the front frame (69) and the rear frame (70). A seventeenth air cylinder (72) moving vertically and an eighteenth air cylinder (73) oppositely moving in the transverse direction are arranged on movable blocks (38) of the rodless air cylinders (71) on the two sides. A convex block (74) used for being inserted into concave parts (63) of the workpiece transfer discs (62) is arranged at the end of a piston rod of the eighteenth air cylinder (73). The conveying device is high in automation degree, manual operation is not need in the process, the conveying work efficiency is high, and the conveying device is especially suitable for conveying automobile panel workpieces between operation procedures.

The invention discloses a gas-butting-type automatic-opening double-layer baking oven. According to key points of the technical scheme, the gas-butting-type automatic-opening double-layer baking oven comprises an upper baking oven for drying base materials and a lower baking oven arranged below the upper baking oven, wherein the upper baking oven and the lower baking oven are internally provided with pass-over rolls used for dragging the base materials to form films; the upper baking oven comprises an upper baking oven cover and an upper baking oven body, one side of the upper baking oven cover is articulated with one side of the upper baking oven body by virtue of a hinge, and the upper baking oven cover and the upper baking oven body can be mutually buckled; the other side of the upper baking oven is provided with an upper cylinder which can open the upper baking oven by virtue of extension of a piston rod; the lower baking oven comprises a lower baking oven cover and a lower baking oven body, one side of the lower baking oven cover is articulated with one side of the lower baking oven body by virtue of a hinge, the other side of the lower baking oven is provided with a lower cylinder which can open the lower baking oven by virtue of extension of a piston rod. According to the double-layer baking oven structure, the upper baking oven and the lower baking oven are installed in a stacking manner, the double-layer baking oven has low height requirements of a machine installation workshop, and a small space is beneficial to energy conservation and environmental friendliness of a constant-temperature workshop.

The present invention relates to an overcurrent protection circuit of microwave over heater. It is formed from several heaters, relays and safety fuse. All the heaters are mutually parallelly-connected, and all the relays are respectively series-connected with all the heaters, and the safety fuse is series-connected in the shared load wire of all the heaters and relays. Wher the heater has overcurrent, the safety fuse can promptly cut off power supply of heater so as to can prevent element and device of working circuit of ehater from damaging.

The invention provides a polishing machine and a main shaft takeup thereof. The main shaft takeup comprises a fixing part and a movable part, wherein the fixing part is fixedly arranged out of a main shaft of the polishing machine; the movable part is movably arranged relatively to the fixing part; the movable part comprises a contact part and a terminal; the contact part can be moved to the first position or the second position relatively to the fixing part; on the first position, the terminal of the movable part extends into the groove of the main shaft to clamp the main shaft; and on the second position, a preset distance is left between the terminal of the movable part and the main shaft to loosen the main shaft. In the main shaft takeup, the movable part has two different positions relatively to the fixing part; on the first position, a polishing wheel can be replaced; and on the second position, the polishing operation can be successfully carried out. Compared with the prior art, the main shaft takeup has the advantages of high working efficiency, stable performance, small influence on main shaft precision and the like.

The invention discloses a safety protection device for a power battery pack. The device comprises a BMU (battery management unit) and a cascaded cracking relay; the voltage of sub battery packs is less than 36V; the sub battery packs are connected in series, and the cascaded cracking relay is connected between the sub battery packs; the BMU is electrically connected with the cascaded cracking relay; when the battery pack outputs normal working power, the BMU controls a closed cracking relay contact; after any accident or stop, the BMU controls a disconnected cascaded cracking relay contact; and the whole power battery pack becomes a plurality of sub battery packs which are less than 36V safety voltage and are mutually irrelevant. The device has the advantages that: high-voltage output of the battery pack is controlled by only one main contactor in the past is changed, the large battery pack is decomposed into a plurality of sub battery packs, the output voltage of the sub battery packs is in a safe range, and the cascaded cracking safety control can provide safety protection under various working conditions of the power battery pack and prevent personal safety accidents caused by high-voltage electric leakage of the power battery pack.

The invention belongs to the technical field of yarn dyeing devices and in particular relates to an infrared setting, color fixing and yarn winding machine. The infrared setting, color fixing and yarn winding machine comprises a rack, wherein a pair of winding heads is arranged in the rack up and down; an infrared drying device is mounted on the rear side of the rack between the upper winding head and the lower winding head which correspond to each other; the infrared drying device comprises a heat preservation shell body; the front side of the shell body is opened and provided with a safety net; a pair of infrared radiation tubes is arranged in the shell body up and down; a reflection layer is attached on the inner wall of the back of the shell body; the infrared radiation tubes are mounted in the shell body through a plurality of transversely arranged support plates. The infrared setting, color fixing and yarn winding machine is reasonable in structure, is capable of further setting and fixing color of the dyed yarns in the yarn winding process, improving the coloring quality of the yarns, avoiding the personal safety accident, ensuring the normal working of equipment and improving the working efficiency, and is relatively suitable for popularization and implementation.

The invention discloses a method for preparing synthetic gas from C1 chemical fuel in a multivariate conjugation manner. The method comprises the following steps: 1, baking in an oven; 2, introducingC1 gas-state fuel and C1 solid-state fuel slurry into a gasification furnace respectively to be mixed with an oxidant, and reacting to generate crude synthetic gas, wherein a reaction cavity is of a flat and long gourd shape, a relation between the diameter d of a fine neck part of the reaction cavity and the diameter D of the thickest part of a web part is as follows: d=0.382D, and the ratio of axial heights of upper and lower sections of chambers of the reaction cavity taking the fine neck part as the boundary is 1 to 3; and 3, quenching the crude synthetic gas and unreacted solid residues,and discharging the crude synthetic gas with overheated gas. According to the method disclosed by the invention, the reaction cavity of the gasification furnace and a spraying nozzle are designed andan actual reaction space of the reaction cavity of the gasification furnace is matched with a flow field for reaction of raw materials, so that C1 raw materials are mixed in the reaction cavity in a high-strength manner and are in sufficient contact; the mass transfer effect is improved, and the high-concentration crude synthetic gas taking CO and H2 as main raw materials is obtained; and the utilization efficiency of a C1 fuel resource is improved.

The invention discloses an assembly tooling for a hose throttle. The assembly tooling comprises an air tube, a distribution box, an air source, wires, a movable sliding block, a guide rail, a control switch, a guide rod, a positioning groove, a first air cylinder, a second air cylinder, a time solenoid valve and a tooling table frame capable of holding the parts. The solenoid valve is connected with and controls actions of the first air cylinder and the second air cylinder, the guide rod is fixed with the movable sliding block, the guide rod aligns to the positioning groove and performs guiding, the first air cylinder is connected with the movable sliding block, the movable sliding block is mounted on the guide rail and can move along the guide rail, and the second air cylinder is perpendicular to the first air cylinder. By means of the assembly tooling, the production efficiency is high, the product quality can be guaranteed, and potential production safety hazards can be eliminated.