115results about How to "No safety accidents" patented technology

The invention provides a lifting mechanism of a coke tank carrying crane, which relates to the lifting transportation and coking machinery; the lifting mechanism is composed of a winding drum group, a planetary reducer, a motor, couplings, brakes, a crown block group and a safety brake; the planetary reducer mounted on the pulley frame is provided with four input shaft ends and four output shaft ends which are symmetrically distributed. The four input shafts are arranged on the middle part of the planetary reducer and connected with the motor respectively through the couplings; the brakes are respectively mounted on the couplings; the four output shafts are arranged on both sides of the end part of the planetary reducer and connected with the single linkage winding drum group respectively; the safety brake directly acts on the winding drum edge of the single linkage winding drum group; the crown block group is mounted on the opposite side of the single linkage winding drum group. The lifting mechanism of the coke tank carrying crane has the advantages of novel structure, safety, reliability, great bearing capacity, symmetrically-distributed structure, even stress and being the lifting mechanism device of the novel coke tank carrying crane with economical and practical properties.

The invention relates to a shear fork hydraulic lift. The shear fork hydraulic lift comprises a base, a bearing platform, shear fork type supporting arms located on the two sides of the base, drive mechanisms driving the supporting arms to be relative unfolded or folded and limiting assemblies arranged on the base and used for protecting the unfolded state of the supporting arms. The limiting assemblies comprises limiting rods located on one sides of the supporting arms and limiting blocks capable of being movably arranged on the limiting rods. When the supporting arms are unfolded to the required position height, the limiting blocks move towards the ends, slidably arranged on the base, of the supporting arms and prop against the ends in the length direction of the limiting rods under thedrive of the limiting rods. The limiting blocks move and prop against the ends, sliding on the base, of the supporting arms, a limiting protection role is played, therefore when a hydraulic fault occurs, safety accidents cannot happen, and thus the use safety of the lift is greatly enhanced.

The invention discloses a multi-component rare earth magnesium alloy 3D printing process which adopts Mg-3.4-Y-3.6-Sm-2.6Zn-0.8Zr alloy powder. The printing process comprises the following steps of drying alloy powder before 3D printing; selecting a ZK61m alloy as a substrate material in printing, wherein the preheating temperature is 180 DEG C, and in a high purity argon atmosphere (the oxygen content is 10 ppm), the laser power is 30w, 40w, 50w and 60w, the scanning speeds are 200 mm/s, 300 mm/s, 400 mm/s, 500 mm/s and 600 mm/s, the powder paving thickness is 20 [mu]m, the laser hatch separation distance is 80 [mu]m, and the spot diameter is 60 [mu]m; and carrying out snakelike divisional scanning with a scanning track and carrying out rotation for 67 degrees layer by layer. By adoptinga substrate preheating and snakelike divisional scanning policy and reasonable process parameters, the problem of large residual stress in a 3D printing process is solved successfully. The density ofa prepared specimen is 84-98.6%, the surface quality is good and the alloy type is novel. Limit of raw materials in a current magnesium alloy 3D printing research process is broken. The multi-component rare earth magnesium alloy 3D printing process has higher scientific research value.

The invention provides an automatic scaffold welding machine. The welding machine is used for automatic welding of a main steel pipe serving as a vertical rod in a steel pipe scaffold with socket andspigot joints and a socket pipe and an U-shaped socket part. The welding machine comprises a base, the front side of the base is provided with a three-shaft position-changing device for switching a feeding station with a workpiece to be welded and a welding station and realizing rapid welding of the two surfaces of the workpiece to be welded through 180-degree-rotation of the welding station; twogantry type welding gun supports which are vertically arranged are installed on the two sides of the rear side of the base, a cross frame beam is arranged between the two welding gun supports, and thecross frame beam is provided with a spot welding mechanism which is used for carrying out spot welding on the socket pipe which is at the welding station of the three-shaft position-changing device and fixed on the main steel pipe and a multiple sets of double-gun welding mechanisms which are used for simultaneously welding weld joints of all U-shaped socket parts; and one end of the cross framebeam is provided with a welding gun walking mechanism which is used for pulling the multiple sets of double-gun welding mechanisms to move at the same time to carry out welding on the welding joints of all the U-shaped socket parts correspondingly. The invention further provides a welding method of the automatic scaffold welding machine.

The invention provides an anti-faulty-operation safety control system of an automatic solid parking garbage. The anti-faulty-operation safety control system of the automatic solid parking garbage comprises a touch screen, a toll auxiliary device and operation software. A parking space number button corresponding to a parking space is arranged on the touch screen. The parking space number button indicates that the parking space is available or not and starts a car storing or fetching system. The parking space, the entrance and the exit are provided with position sensors for sensing positions. When a car is stored or fetched, the position sensors of the parking space, the entrance and the exit can feed back. When car fetching or storing and time and fee counting are finished, the feed back function of the position sensors is isolated. The parking space number button is the only entrance to start the program. During starting the car fetching or storing process, operation function of other buttons is temporarily closed. The anti-faulty-operation safety control system of the automatic solid parking garbage can effectively resist or eliminate safety accidents caused by faulty operation and failed position sensors. The control system software is simple in structure and a scanning period of a complete car fetching or storing process only takes 2ms.

The invention discloses a dual-power driven flexible assembled transport trailer, belongs to the technical field of road transport machinery and relates to a dual-power driven traction super-huge type truck with a plurality of freely grouped carriages for transportation. The trailer comprises a main vehicle and carriages, and is characterized in that: a fuel driving device and a power driving device are arranged on the main vehicle; the fuel driving device and/or the power driving device are arranged in the carriages; a solar-cell panel, a wind driven generator, a super capacitor, a storage battery and a motor are arranged inside the power driving device; the solar-cell panel and the wind driven generator are connected with the super capacitor respectively; the super capacitor is connected with the storage battery; the storage battery is connected with the motor; and the main vehicle and the carriages and adjacent carriages are in overlapped connection through a flexible hinge device. By adopting dual-power driving, the trailer combines the advantages of two kinds of energy, namely fuel and power. By connecting the main vehicle with the carriages by the flexible hinge device, the trailer is applied to reliable connection and locking between two carriages, and can meet requirements on vehicle running smoothness index and steering stability.

A clutch type climbing construction unit comprises a bed frame type climbing arm and a detachable climbing arm, wherein the bed frame type climbing arm comprises a comprehensive arm bar frame, a positioning mechanical arm and a positioning open-close clamp; an arm bar clutch opening and a power transmission clutch buckle are arranged at one end of the comprehensive arm bar frame; the positioning mechanical arm is mounted at the other end of the comprehensive arm bar frame; the detachable climbing arm is mounted at the end part of the comprehensive arm bar frame in a sleeving manner and structurally comprises a clutch mechanical arm, a detachable open-close clamp and an arm bar clutch; the clutch mechanical arm is mounted in the arm bar clutch opening in a sleeving manner and is provided with a machine tool assembling head. According to the embodiment of the invention, the detachable climbing arm can be integrated with the bed frame type climbing arm for climbing and overhauling construction, can be detached from the bed frame type climbing arm, and descends to the ground from a high place for overhauling tool replacement. An overhauling worker can overhaul a pipeline and a bracket and assemble various equipment and apparatuses by standing on the ground to avoid falling accidents. Therefore, the clutch type climbing construction unit is reasonable in structure and simple to operate and control.

The invention discloses an inert gas protection system for an industrial adsorber and an operation control method thereof, belonging to the field of environmental protection safety. The inert gas protection system comprises a multi-chamber splitting combined adsorber, a nitrogen gas inlet, a temperature controller and a temperature detection element, wherein the multi-chamber splitting combined adsorber is provided with the nitrogen gas inlet; the temperature detection element is located in the multi-chamber splitting combined adsorber; the temperature detection element is in electric signal connection with the temperature controller; the temperature controller is used for controlling inert gas to enter and exit from an inert gas inlet; and pipelines communicated with an adsorption gas inlet, an adsorption exhausting hole, a desorption gas inlet and a desorption gas outlet of the multi-chamber splitting combined adsorber are correspondingly provided with an adsorption gas inlet control valve, an adsorption exhausting control valve, a desorption gas inlet control valve and a desorption exhausting control valve. According to the inert gas protection system, line connection can be changed on an existing high-temprature combustible adsorber and temperature detection and control devices are arranged and upgrading and improvement are directly carried out, so that the cost is saved.

The invention discloses a bidirectional self-adjusting first belt sweeper. The bidirectional self-adjusting first belt sweeper comprises a scraper support, a scraper pressing mechanism and a rack pressing mechanism. The scraper support comprises a scraper and a support body; the scraper pressing mechanism comprises a torsional spring and a pressing sleeve; a main rack shaft is sleeved with the torsional spring; the pressing sleeve is fixed to the main rack shaft; the support body and the pressing sleeve are in limiting clamping connection with one end of the torsional spring and used for applying torque to the torsional spring; the rack pressing mechanism comprises a sliding frame, a sliding block and an elastic mechanism; an inclined sliding way is arranged in the sliding frame; the sliding block is arranged in the sliding way in a sliding manner; the higher end of the sliding way is close to the head wheel position of a belt; the elastic mechanism is fixed to the sliding frame and elastically supports the sliding block so that the sliding block can slide upwards along the sliding way in an inclined manner; and the sliding block is fixedly connected with the main rack shaft. Compared with the prior art, by means of the displacement compensation manner, the service life of the sweeper is prolonged, and the potential safety hazards that due to abrasion of the scraper of the sweeper, the sweeper fails, and even the scraper turns over are eliminated.

The invention provides a channel deep suppressing foot fast construction method. The method includes the following steps that firstly, suppressing foot side boundary surveying and paying-off are conducted; secondly, a pilot groove is excavated; thirdly, suppressing foot pile position setting out is conducted; fourthly, primary stirring and sinking are conducted, stirring and sinking are only conducted to the design depth, and soil is loosened; fifthly, primary grouting, stirring and lifting are conducted, grouting is conducted from bottom to top, stirring is conducted at the same time, the field soil and cement paste are primary mixed, and part of the total grout spraying amount is completed; sixthly, secondary stirring and sinking are conducted, and the fourth step is repeated; seventhly,secondary grouting, stirring and lifting are conducted, the fifth step is repeated, and the whole total grout spraying amount is completed; and eighthly, the fourth step, the fifth step, the sixth step and the seventh step are repeated, the subsequent pile position work is completed. By the adoption of the method, unprotected open cut excavation work is effectively avoided, the technology is simplified, the cost is saved, the construction period is shortened, construction is safe, the structural strength is ensured, the requirement for the soil of a work area is extremely low, adaptability ishigh, and the method is worthy of being applied and popularized.

The invention discloses an air dust removing device comprising a receiving cavity which is arranged in a wall and has a rightward opening, a power distribution cabinet which is arranged in the receiving cavity through a pushing component and a plug head which is electrically connected to a dust remover. Insertion grooves with rightward notches are symmetrically arranged up and down in the power distribution cabinet. First sliding grooves which are between the two insertion grooves and have notches facing the insertion grooves are symmetrically arranged up and down in the power distribution cabinet. A first motor is installed between the two first sliding grooves. First sliding arms are slidingly installed in the first sliding grooves. End faces of the first sliding arms facing the insertion grooves are provided with first inclined surfaces. The first sliding arms are internally provided with first spiral grooves with notches facing the first motor, first spiral rods which are in powerconnection with the first motor are matched and installed in the first spiral grooves, and end walls of the insertion grooves far from the first sliding grooves are internally provided with second sliding grooves and third sliding grooves whose notches face the insertion grooves.

The invention relates to the technical field of parking devices, in particular to a parking device for a new energy automobile. The parking device for the new energy automobile comprises a base. Fixing assemblies are arranged at the four corners of the lower side of the base, a plurality of telescopic rods are arranged at the left end in a protective cover, buffering springs are arranged outside the telescopic rods, a buffering plate is arranged at the right ends of the telescopic rods, a groove is formed in the upper side, close to the buffering plate, of the base, a plurality of rotating shafts arranged vertically are arranged in the groove, rollers are arranged on the rotating shaft, a plurality of electronic telescopic rods are arranged at the lower end in the groove, and a braking plate is arranged at the upper ends of the electronic telescopic rods. According to structural arrangement of the parking device for the new energy automobile, under the action of the buffering springs and the rollers, the action of parking protection can be achieved, safety is high, and practicability is high.

The invention discloses a plate glass overturning device. The plate glass overturning device comprises an overturning shaft, wherein the upper side of the overturning shaft is fixedly connected with agroup of overturning arms; a square pipe is arranged at the upper side of each overturning arm; a group of first straight circular grooves are uniformly arranged at the upper side of each square pipeat intervals; each first straight circular groove is internally connected with a glass sucking disc in a sliding fit way; one square pipe is symmetrically and fixedly connected with fixed plates; each fixed plate is provided with an auxiliary sucking disc; each glass sucking disc is connected with a vacuum pump through an air pipe; each air pipe is provided with an electromagnetic valve; the electromagnetic valves are uniformly and fixedly arranged at the lower side of the overturning shaft; each glass sucking disc is provided with a glass induction system; all glass induction systems are connected with the electromagnetic valves on corresponding glass sucking discs. The plate glass overturning device disclosed by the invention has the advantages that air pumping or air blocking of each glass sucking disc can be independently controlled through the glass induction devices, the glass sucking discs in need of air pumping can be determined according to the size of glass, and a safety accident cannot occur during use.

A glass window cleaner comprises a window-mounted cleaning arm, a glass wiping brush and a water spray and air suction machine, wherein the window-mounted cleaning arm is formed by connecting a control arm rod, a transmission arm rod and a cleaning arm rod through rotating shafts, the control arm rod is provided with a clamp positioning frame and a wheel type control disk, the glass wiping brush is mounted at one end of the window-mounted cleaning arm and structurally comprises an air suction brush frame, a water spray rotating brush and a brush disk rotator, the water spray and air suction machine comprises an air suction fan, a pressurized water delivery machine and a double-delivery hose, and the double-delivery hose is connected between the glass wiping brush and the water spray and air suction machine. The window-mounted cleaning arm extends outside glass windows, an operator can stand indoors to control the glass wiping brush to wipe the glass windows comprehensively, the water spray and air suction machine enables the water spray rotating brush to clean the glass windows more completely through water spray and air suction, and the safety accident that a cleaner falls off high positions cannot occur. Therefore, the glass window cleaner is reasonable in structure and convenient to control.

The invention provides a null-live wire circuit protection method using a relay. According to the null-live wire circuit protection method, the relay which is used as a main switch is connected in series with a null wire, loaded ends of a live wire are connected in series with the live wire through corresponding load switches, all the loaded ends of the null wire are connected in series with the null wire through the relay as the main switch. A relay protection circuit and a device with the adoption of the method not only keep former protection functions but also can supply better protection in a process of installation of a complete machine factory or a production test of a manufacture factory for producing controllers. If only the load switches are not switched on, no security accidents occur when an operator is careless to touch a load in the operation process. Furthermore, the improvement does not increase any cost.

The invention provides an oil tube suspender centering device, wherein a seal ring is installed on a suspender, the lower part of a lifting oil tube is connected with the suspender, the lower part of the suspender is connected with an oil tube in a well, a base is fixed on a blowout preventer through a connection bolt, a railway slot is formed in the base, a screw hole is formed in the right side surface of the base, an internal screw thread of the screw hole is matched with an external screw thread of a regulation screw rod, the regulation screw rod enters the railway slot after passing through the screw hole in the right side surface of the base, a support seat is mounted at the left end of the regulation screw rod in a sleeving way, the support seat is in the railway slot, the lower end of a support rod is connected with the support seat in a hinged manner, the upper end of the support rod is connected with the lower part of a bracket in a hinged manner, the lower end of the bracket is connected with the base in a hinged manner, a wheel carrier is installed at the upper part of the bracket and is provided with an idler wheel, the idler wheel is close to the outer side of the lifting oil tube, the regulation screw rod is rotated to push the lifting oil tube to enable the lifting oil tube to be in the middle of the interior of the blowout preventer, the seal ring on the suspender is not broken through suspending, the suspender can be centered by rotating the regulation screw rod, an operator does not need to get close to a wellhead, and the operation is safe.

The invention relates to the field of robots, particularly to an automatic sensing jet-propelled sweeping robot. In modern life, sweeping robots have been popularized in thousands of households, the safety problem of the sweeping robot is also the most important problem, a traditional sweeping robot cannot contain inflammable objects such as matchsticks, cigarette butts and the like due to materials and structures, more sensors are used and are easy to damage, and floor sweeping and mopping combination cannot be achieved. According to the invention, the automatic sensing jet-propelled sweepingrobot solves the problems in the prior art, uses a pure mechanical structure, and is simple in structure and not easy to damage; after inflammables are collected, due to the fact that jet-propelled power is adopted, heat in a box body is taken away through air injection, so that safety accidents cannot happen when the burning point of the sundries cannot be reached; and the robot can automatically change the direction when colliding with an obstacle, the robot can suck the sundries into equipment to be stored, and automatic mopping can be completed by putting down the mopping assembly after floor sweeping is finished.

The invention belongs to the technical field of clothes treatment, and provides an atomizing device for clothes treatment equipment to solve the problem that existing clothes treatment equipment adopts a split atomization device which may lead to poor sealing performance after long-time use and thus cause safety accidents. The clothes treatment equipment comprises a fixed member and an accommodating cavity capable of accommodating clothes. The atomizing device comprises a first module, a second module and an atomizing generator; at least one of the first module and the second module is arranged on the fixed member; the atomizing generator is arranged between the first module and the second module; a connecting structure is arranged between the first module and the second module; and the first module is connected with the second module through the connecting structure. The connection strength and sealability of the atomizing device can be ensured after the clothes treatment equipment isused for a long time, the short circuit phenomenon of the atomizing device due to poor sealing is avoided, and the safety of the clothes treatment equipment is ensured.

The invention discloses an informatization consulting device. The informatization consulting device comprises a turntable which is fixedly arranged on the ground, a device body which is arranged on the turntable through a rotating component, a plug which is electrically connected with the device body through a cable, and a socket which matches the plug and is fixedly arranged in a wall. Insertionslots are symmetrically arranged up and down in the socket, wherein the ports of the insertion slots face the right. First sliding slots located between two insertion slots are symmetrically arrangedup and down in the socket, wherein the ports of the first sliding slots face the insertion slots. A first drive is arranged between two first sliding slots. A first sliding arm is slidably arranged ineach first sliding slot. A first inclined surface is arranged on the end face, which faces an insertion slot, of each first sliding arm. A first spiral slot is arranged in each first sliding arm, wherein the port of the first spiral slot faces the first drive. A first screw rod in power connection with the first drive is threadedly fitted in each first spiral slot.

The invention relates to a hand-operated time-delay electromagnetic valve and piezoelectric ignition combined gas cooker, which is free from a power supply and can automatically prolong the ignition time by manually pressing and opening the gas gate of an electromagnetic valve; as no battery is used, the coil of the electromagnetic valve cannot be burnt out, and the failure rate is very low; an extinguishing protection function is achieved, that is, the gas gate can be closed automatically if fire is extinguished by wind or boiling and spilling water, so that no fuel gas escapes to cause safety accidents; a timing gas turn-off function is achieved, that is, the electromagnetic valve can automatically close the gas gate when the set gas turn-off time is up, so that a user doesn't need to be careful of remembering to turn off gas to prevent food from being burnt; the gas cooker is an environment-friendly gas cooker product which is simple in structure and low in cost, is generally suitable to being used as a cooker of liquefied gas, coal gas, natural gas, marsh gas or the like, and is a practical gas cooker product for families and the catering industry.