35results about How to "Circumstances to avoid accidents" patented technology

The invention discloses a control system and a method for a road cleaning vehicle operation device. The method comprises the following steps: detecting the vehicle speed of the cleaning vehicle; Judging whether the vehicle speed is zero or less than a preset threshold value; If so, the work device is automatically controlled to enter a low power consumption mode. The system comprises a work control device, a vehicle speed sensor and a work device. The working device is used for cleaning the road surface; The operation control device is respectively connected with a vehicle speed sensor and anoperation device; The vehicle speed sensor is used for detecting the vehicle speed; The operation control device is used for judging whether the vehicle speed is zero or not, and automatically controlling the operation device to enter the low power consumption mode when the vehicle speed is zero. The method and the system enable the cleaning vehicle to automatically control the working device to enter the low power consumption mode after the cleaning vehicle stops when the red light is encountered, so that the control system and a method for the road cleaning vehicle operation device has the advantages of reducing the energy consumption, reducing the workload of the driver and the probability of accident occurrence.

An automatic cloth finishing device is arranged on a knife rest of an automatic cloth laying machine. The automatic cloth finishing device comprises a drive piece, drive connecting arms, a rotary shaft, first swing arms, second swing arms and a cloth finishing piece. One end of the rotary shaft is fixedly sleeved with one ends of the drive connecting arms. The rotary shaft is supported on the knife rest through multiple supporting seats arranged on the knife rest. The rotary shaft is rotationally connected with a supporting frame. One end of each first swing arm is fixedly connected to the rotary shaft. The other end of each first swing arm is movably connected with one end of the corresponding second swing arm. The second swing arms can rotate around the connecting points of the first swing arms and the second swing arms. The other ends of the second swing arms are connected with the cloth finishing piece. Drive pieces drive the drive connecting arms to rotate. The drive pieces drive the cloth finishing piece to be switched between the cloth finishing position and the collection position in a reciprocating manner through linkage of the drive connecting arms, the rotary shaft, the first swing arms and the second swing arms. The invention further discloses an automatic cloth laying machine with the automatic cloth finishing device.

The invention relates to the technical field of automobile lamps, in particular to a automobile headlamp convenient to install which comprises a lamp holder, fixing plates are fixedly mounted on the periphery of the lamp holder, mounting holes are formed in the middles of the fixing plates, four stand columns are fixedly mounted on the left side of the top end of the lamp holder, and a top plate is fixedly mounted at the top ends of the four stand columns jointly. The installation process between the lampshade and the lamp holder is simple, time and labor are saved, meanwhile, when internal assemblies need to be maintained, dismounting is convenient, the sealing performance of the joint of the lampshade and the lamp holder is good, the situation of water seepage is effectively avoided, heat dissipation can be conducted on the interior while the self sealing performance is guaranteed, the situation that the assembly is burnt due to the fact that the internal temperature is too high is effectively avoided, dust is prevented from entering the automobile lamp while heat dissipation is conducted, the lamplight irradiation direction can be adjusted, accidents caused by lighting dead zones when an automobile turns over are avoided, and the automobile can run more safely.

The invention relates to a house building assembled I-beam hoisting device. The device comprises a lifting device, a locking device and two fixing devices, and is characterized in that the lower end of the lifting device is provided with the locking device, the left end and the right end of the locking device are symmetrically provided with the fixing devices, and the fixing devices are installedat the lower end of the lifting device in a sliding fit manner. According to the house building assembled I-beam hoisting device, the problem that during lifting, an existing hoisting device usually directly hoists an assembled I-beam in a hoisting process, in the hoisting process, the assembled I-beam is not fixed and limited, so that the I-beam may be prone to be caused to fall in the hoisting process, and therefore injuries a worker, an assembled steel structure beam column is usually fixed and limited by ropes, steel wire ropes and the like in the hoisting process, the fixing and limitingeffects are poor, and when the I-beam is manually fed, the process of fixing with the ropes is tedious, so that the hoisting efficiency of the I-beam is low is solved.

The invention discloses a motor fault detection method based on group-type sparse self-coding and group intelligence, and the method comprises the steps: (1) controlling a magnetic powder brake through the output current of a tension controller to achieve the adjustment of the load torque of a motor for a fault signal of a DC motor, and collecting the fault signal of the motor; (2) establishing a group type sparse auto-encoder implementation framework, solving by using an M-M method, and performing feature extraction on original input motor fault data by using the sparse feature extraction network; (3) improving a swarm intelligence algorithm, and proposing an SS-PSO algorithm; (4) establishing an SS-PSO-ANN depth classifier model; and (5) for high-quality sparse features extracted based on the group type sparse auto-encoder implementation framework network, performing effective diagnosis of motor faults by using an SS-PSO-ANN classifier. According to common faults of turn-to-turn short circuit and rotor demagnetization of the direct current motor, autonomous fault diagnosis of the motor is realized, so that the situation that the operation efficiency of the motor is influenced by the faults and even accidents are caused by damage of the motor is avoided.

The invention discloses a cloth spinning line integration method. The method is achieved on the basis of one spinning line integration machine. The spinning line integration machine comprises a rack.Electromagnetic pipes are symmetrically arranged on the bottom of the inner side of the rack. An electromagnetic core column is arranged in each electromagnetic pipe. A fixing frame is arranged at oneend of each electromagnetic core column. A spare roller is arranged between the two fixing frames. An oil cylinder is arranged at one end, away from the corresponding fixing frame, of each electromagnetic core column. A carrier frame is arranged at the top end of a piston rod of each oil cylinder. Bottom plates are symmetrically arranged on the outer side of one end of the rack. Fixing plates arearranged on the bottom plates correspondingly. A motor is arranged on the fixing plate on one side of the rack. A first conical body is arranged on a motor shaft of the motor. An ejector rod is arranged in the first conical body. A spring is arranged at one end of the ejector rod. A first air cylinder is fixedly arranged on the fixing plate on one side opposite to the motor. The method has the beneficial effects that the structural design is reasonable, the production process is automatic, manual intervention is not needed, the production efficiency is improved, the labor intensity of disassembling an integration roller of operators is reduced, and then the production cost is saved.

The invention relates to the field of electrical equipment and especially relates to a jack-free socket. The jack-free socket includes an anti-electric-shock mechanism, a conductive mechanism and a housing. The housing includes a main shell and a socket panel. The socket panel includes a group of two-phase jacks and a group of three-phase jacks. The anti-electric-shock mechanism includes a first blocking assembly for blocking the two-phase jacks, a second blocking assembly for blocking the three-phase jacks, and a first reset assembly for driving reset of the first and second blocking assemblies. The conductive mechanism includes a live wire conductive assembly, a null wire conductive assembly and a ground wire conductive assembly. The conductive mechanism will be exposed only when the first blocking head and the second blocking head or the third blocking head and the fourth blocking head are pressed at the same time, thereby preventing accidents caused by electric shocks by mistake. The two-phase jacks and the three-phase jacks are always closed when not in use, thereby preventing dust from entering the socket to cause power connection accidents.

The invention provides a high-safety power station operation and maintenance virtual display image generation method, a storage medium, a virtual display server and a virtual display system. The virtual display system comprises a virtual display server and a virtual display terminal. The virtual display server acquires actual operation data of a power station, generates a virtual display image according to the actual operation data and sends the virtual display image to the virtual display terminal; and the virtual display terminal acquires the virtual display image and displays the virtual display image. Compared with the prior art, the provided virtual display system has the following advantages: the virtual display server can generate the virtual display image according to the actual operation data and the virtual display terminal can display the condition of the power station in front of the operation and maintenance personnel by acquiring the virtual display image without displaying according to the monitoring video, so that if the virtual display system is used, camera equipment does not need to be additionally arranged on the power station, and the defects of the existing operation and maintenance system are overcome.

The invention discloses a high-voltage power cable leakage current separation and detection method which comprises the following steps of: S1: respectively mounting current transformers and voltage transformers at the head end and the tail end of each phase of a three-phase power cable in advance; S2: for each phase of the three-phase power cable, acquiring a head end voltage measured by the voltage transformer at the head end of the phase and a tail end voltage measured by the voltage transformer at the tail end of the phase; S3: rising an experimental voltage to 1.06 times of a rated workingvoltage of a detected object; S4: switching the phases, changing over a switch and respectively reading secondary readings; and S5: intercepting a relatively large value in the secondary readings asa detected leakage current value. According to the invention, by carrying out current separation and detection, the ageing condition of the cable is convenient to know, a case of causing a power gridaccident by cable ageing is avoided, detection efficiency is improved, meanwhile, detection steps are reduced, and a detection result is ensured.

The invention discloses a biodiesel distillation vacuum tail gas treatment device, which is characterized in that the inlet of a tail gas vacuum unit is connected with a vacuum outlet of a distillation tower, the outlet of the tail gas vacuum unit is connected with the working fluid tank of the tail gas vacuum unit, the outlet of the tank is connected with a horizontal condenser, the horizontal condenser is provided with a tail gas outlet, a sewage outlet and a cooling water inlet and outlet, the tail gas outlet is connected with the inlet of a methanol receiving tank, the outlet of the receiving tank is connected with a methanol separator, the lower portion of the receiving tank is provided with a liquid methanol outlet and connected with a methanol separation outlet pump, a tail gas outlet is formed in the top of the methanol separator, a heat mixing pipe steam inlet pipe is arranged on the tail gas outlet, an oxygen content control system is arranged beside the tail gas outlet, the tail gas outlet is sequentially connected with a heat mixing pipe and a vacuum tail gas pipe, a pipeline separator, a pressure control system, a gravel flame arrester, a fire extinguishing steam pipe, a front temperature control system, a safety water seal, a stainless steel flame arrester and a rear temperature control system are sequentially installed on the vacuum tail gas pipe, and then the vacuum tail gas pipe is connected into a combustion furnace. The biodiesel distillation vacuum tail gas treatment device is safe to operate, environment-friendly, efficient and low in production cost.

The invention discloses a spinning yarn integrating machine for cloth spinning. The machine comprises a frame; electromagnetic pipes are symmetrically arranged at the inner side bottom of the frame; electromagnetic core columns are arranged in the electromagnetic pipes; fixed frames are arranged at one ends of the electromagnetic core columns; standby rollers are arranged between the two fixed frames; oil cylinders are arranged at the ends, far from the fixed frames, of the electromagnetic core columns; brackets are arranged at the top ends of piston rods of the oil cylinders; baseplates are symmetrically arranged on the outer side of one end of the frame, and are provided with fixed plates; a motor is arranged on the fixed plate on one side of the frame; a first conical body is arranged on a motor shaft of the motor; an ejector rod is arranged in the first conical body; a spring is arranged at one end of the ejector rod; a first cylinder is fixedly arranged on the fixed plate on the side opposite to the motor; and a first bearing is arranged on a piston rod of the first cylinder. The machine has the beneficial effects of reasonable structural design, automatic production process,no need of manual intervention, improvement of the production efficiency, relief of the labor intensity of disassembling integrating rollers by operators and saving of the production cost.

The invention discloses a test load device for simulating a cell, and the device comprises: a shell which is internally provided with an accommodation cavity; and a supporting unit which is located in the containing cavity, wherein the supporting unit is connected to one opposite side wall of the shell. The supporting unit is placed in the shell, the internal structure achieves similar extrusion resistance and deformation resistance in the test load device for simulating the cell, accidents of a tester are avoided during an experiment, the test cost is reduced, and a supplier and a user can test equipment on site through the test load device for simulating the cell, and the effect of facilitating testing is achieved.

The invention discloses punching equipment for an automotive interior trim. The punching equipment comprises a machine base; a punching machine body is fixedly connected to the position, close to one side, of the top of the machine base; a punching machine table is fixedly connected to one side of the punching machine body; a punching template is fixedly connected to the bottom of the punching machine table; and a substrate is fixedly connected to the position, close to the bottom, of one side of the punching machine body. According to the punching equipment for the automotive interior trim, through the design of a threaded adjusting rod, a threaded connecting sleeve rod, gears, pushing toothed rods, linkage toothed rods and a pedal, the punching equipment has a good protection function, the personal safety of a worker can be powerfully guaranteed, and the situation that the worker suffers from an accident can be greatly avoided; and through the design of damping springs, buffer air bags, a stress plate and an energy absorption plate, the punching equipment has good damping performance, vibration generated when equipment works can be reduced, stable operation of the equipment is kept, and damage to electronic products, such as a photoelectric protection electronic product, caused by equipment vibration can be greatly reduced.

The invention provides a linkage type guiding device for machinery, relates to the technical field of guiding devices, and solves the problems that in the existing material transporting and carrying process, due to the fact that stacking and placing are carried out through a manual auxiliary process, lifting equipment is needed for completing, but in the lifting process, workers are difficult to estimate the accurate lifting distance, deviation is caused in the working process, time is consumed when the height of the lifting equipment is adjusted, and meanwhile an existing lifting device carries out lifting through a single shear fork and is poor in stability are solved. The linkage type guiding device for machinery comprises a base mechanism, a power mechanism and a conduction mechanism, and the top of the base mechanism is in sliding connection with a lifting mechanism through an adjusting mechanism. And an external gear can be extended to other equipment, so that a motor can be used for multiple purposes, and resource use is reduced.

The invention discloses an efficient brake pad and particularly relates to the field of brake pad manufacturing. The efficient brake pad comprises a brake disc. The outer side of the brake disc is movably connected with a brake pad body. The brake pad body comprises a steel plate and a friction block. A fixed spring is fixedly installed at the bottom end of the steel plate. The bottom end of the fixed spring is fixedly connected with the friction block. The bottom end of the friction block is movably connected with the outer side of the brake disc. Through a spring piece and the fixed spring fixedly installed at the bottom end of the steel plate, during braking, the friction block makes contact with the brake disc, the friction block and the brake disc can be tightly connected through extrusion of the spring piece and the fixed spring, friction force between the friction block and the brake disc is increased, braking operation can be conducted faster, the conditions that braking is notconducted in time, and an accident occurs can be avoided, and meanwhile, heat generated by mutual friction between the friction block and the brake disc can be emitted into air better through a gap between the steel plate and the friction block.

The invention discloses a protection device for a high-low-voltage cabinet. The protection device comprises a protection cabinet main body, a door body, a dehumidifier, a fire alarm and a heat dissipation cavity; a heat dissipation cavity is formed at the center of the bottom end of the protection cabinet main body; a heat dissipation disc is mounted at the bottom end in the heat dissipation cavity; heat dissipation fans are arranged in the heat dissipation cavities at the two sides of the heat dissipation disc; a fireproof barrier layer is arranged at the bottom end of the protection cabinetmain body; folding screw holes are hinged to the two side walls of the fireproof blocking layer, a clamping cavity is formed in the center of the interior of the protection cabinet body, a fixing buckle is arranged on the inner side wall of the clamping cavity, lifting buckles are installed at the two ends of the fixing buckle, and a temperature sensor is fixed to the center of the top end of theclamping cavity. The safety of the protection device in use is improved, the convenience degree of the high-low-voltage cabinet in installation is improved, and the service life of the protection device is prolonged.

The invention relates to an intelligent tactile stick which comprises a stick rod (1) and a stick head (2). An ultrasonic range finder (3), an LED lamp (4), a photoresistor (5), an image recognition device (6), a solar panel (7) and a storage battery (8) are arranged on the stick rod (1); and the stick head (2) is provided with an emergency calling button (9), a position transmitting button (10), a range finder switch (11), a miniature vibration motor (12), an acceleration sensor (13), a central processor (14), a GPS positioning module (15), a signal transmitter and signal receiver (16), a voice broadcasting device (17) and a loudspeaker (18). The intelligent tactile stick has the advantages that the intelligent tactile stick can detect and help visually impaired people to avoid obstacles, the situation that the visually impaired people deviate from a blind sidewalk is reduced, the travel safety of the visually impaired people is effectively guaranteed, and good use experience can be provided for the visually impaired people.