61results about How to "Reduce personal safety hazards" patented technology

The invention relates to a method for refurbishing old wall ceramic tiles. Three materials are adopted for overglazing the old ceramic tiles at normal temperature by four steps, and the steps are base layer treatment, coating of a bottom surface material special for ceramic tiles, coating of a middle layer material special for the ceramic tiles, and coating of a glaze material special for the ceramic tiles. The bottom surface material can be well combined with the surfaces of the ceramic tiles and cannot fall off; the middle layer is a bridge, has the property similar to the bottom layer and the surface layer, and can better bear the bottom layer and the glaze layer, so that the whole surface is more plump; and the glaze layer can achieve the glaze effect similar to the surfaces of the ceramic tiles. The method overcomes the defect that the traditional method for refurbishing and transforming the ceramic tiles has high difficulty and high cost, can maintain the decoration effect of the original ceramic tiles simultaneously, and also can change the colors of the surfaces of the ceramic tiles according to customer requirements. The materials are environment-friendly and nontoxic, and the normal office work is not influenced in the construction process.

The invention relates to the field of valve casting, in particular to a furnace-front mechanical hand for molten iron casing. The furnace-front mechanical hand comprises a whole machine rotating support mechanism, a vertical lifting mechanism, a material conveying mechanism and an extending mechanism, wherein the whole machine rotating support mechanism is connected with the vertical lifting mechanism, the vertical lifting mechanism is connected with the extending mechanism, the extending mechanism is connected with the material conveying mechanism, the lower end of the whole machine rotating support mechanism is fixedly arranged on the ground through a base, the furnace-front mechanical hand also comprises a computer control system and a balance mechanism, the computer control system is electrically connected with each mechanism, one end of the balance mechanism is connected with the whole machine rotating support mechanism through a support rod, the other end of the balance mechanism is connected with the extension mechanism, and the balance mechanism is connected with the vertical lifting mechanism through a support plate. The furnace-front mechanical hand has the advantages that the intelligent control is realized, the personnel safety of workers is ensured, and the work efficiency is improved.

The invention relates to a livestock breeding environment automatic control system which comprises an environment monitoring subsystem, a cloud platform and a control subsystem and further comprises afirst transmission module, a second transmission module and a third transmission module, the environment monitoring subsystem communicates with the cloud platform through the first transmission module, the cloud platform communicates with the control subsystem through the second transmission module, the environment monitoring subsystem is used for monitoring environment data information in the breeding workshop, the cloud platform is used for comparing and analyzing the environment data information, and the control subsystem is used for adjusting environment conditions of the breeding workshop according to a comparison and analysis result. The system has the effects of being high in automation degree and high in production efficiency.

The invention relates to the valve pouring field, in particular relates to a stokehole auxiliary robot used for pouring molten iron. The stokehole auxiliary robot comprises a molten iron kettle, wherein the molten iron kettle is fixed on a molten iron kettle support by virtue of a molten iron kettle support base, the molten iron kettle support is connected with a lifting screw rod, the other end of the lifting screw rod is provided with a lifting sensor, the molten iron kettle is connected with a lifting servo motor, the molten iron kettle is connected with a molten iron kettle inclining servo motor, and a molten iron kettle inclining sensor is arranged between the molten iron kettle and the molten iron kettle inclining servo motor, so as to control an inclination angle of the molten iron kettle. The stokehole auxiliary robot disclosed by the invention solves the problems that working efficiency is low and potential safety hazard exists in operation; moreover, the stokehole auxiliary robot has the advantages that intelligent control is realized, personal safety of working personnel is guaranteed, and working efficiency is improved.

The invention aims at providing a gate door opening/closing device. A torque motor drives a connecting rod transmission mechanism to drive the opening or closing of a door component; the torque motor is electrically connected with a controller; the controller sets a resistance value for the torque motor; when the torque motor detects that the resistance value of the door component exceeds the set resistance value, the torque motor is stopped or rotated reversely; a connecting rod transmission mechanism limiting device automatically detects the opening or closing point of the door component; and anti-pinch and forced-opening functions as well as an automatic opening function in the case of power failure of the gate door are realized. The gate door opening/closing device provided by the invention reduces the personal safety hazard of people passing through the gate door and brings convenience to people.

The invention discloses a clamp for automatic disassembly and assembly of a container deck lock. The clamp is characterized by comprising a clamp body and a shifting fork. The clamp specifically comprises a seat body, the top surface of the seat body is concave downwards to form a groove, and the groove is used for containing the lower portion of the deck lock; and one side wall of the groove is provided with a through groove running through the side wall, and the through groove extends from top to bottom. One end of the shifting fork is located outside the groove, the other end of the shifting fork penetrates through the groove via the through groove, and the shifting fork can rotate along the through groove and can pull a buckle, for disassembly and assembly, of the deck lock. Compared with the prior art, the clamp has the advantages that a pure mechanical structure is adopted to automatically realize lock disassembly and assembly, the reliability is high, personal safety hazards arereduced, and the efficiency is improved.

The invention discloses a three-phase synchronous deicing device for a power transmission line, and belongs to a device for automatically advancing and striking to deice on a three-phase power transmission line. An advancing device along the three-phase power transmission line mainly comprises three advancing wheels, a front supporting wheel and a rear supporting wheel, wherein the advancing wheels are arranged on a transmission shaft which is driven by a motor through a gear transmission mechanism; the front supporting wheel and the rear supporting wheel are positioned at a front position and a rear position of the middle part of the transmission shaft; and all the advancing wheels and the supporting wheels are arranged on a bottom plate. A striking deicing device mainly comprises an upper swing arm and a lower swing arm which are arranged on a direct current motor; and the bottom plate is correspondingly provided with a swing arm slotted hole and a crushed ice through hole for providing a movement space for the upper swing arm and the lower swing arm. A control part of the device comprises a control circuit, an emitter, a receiver and the like. The control circuit comprises a circuit for controlling the positive rotation and the reverse rotation of a traveling motor and a striking direct current motor through a plurality of relays and a coupling oscillation circuit with oscillation frequency of 2Hz consisting of the relays, an electrolytic capacitor and a triode. The device has the characteristics of remote control, automatic advancing and automatic deicing.

The invention discloses an aluminum billet casting machine, and relates to the field of casting machines. The aluminum billet casting machine comprises a rubber vulcanization machine base and a workbench; an oil tank is arranged at the lower end of the rubber vulcanization machine base; a supporting vertical column and an overturning vertical column are arranged on the rubber vulcanization machine base; the workbench is arranged on the supporting vertical column and is hinged to the overturning vertical column; an overturning oil cylinder is arranged between the workbench and the rubber vulcanization machine base; the overturning oil cylinder is respectively hinged to the workbench and the rubber vulcanization machine base; the overturning oil cylinder is connected with an oil tank; a movable die device is arranged at one upper end of the workbench, and while a fixed die device is arranged at the other end of the workbench. The aluminum billet casting machine is simple and reasonable in structure; the cost is saved; the potential risk for human body is reduced; the labor intensity of workers can be greatly reduced; the production efficiency is increased; the product quality is stable.

A ground wire hook device with a self-locking function disclosed by the present invention comprises a mounting plate and a hook body, the hook body is fixedly mounted on the upper end face of the mounting plate, two mounting grooves are symmetrically formed in the inner wall of the hook body, a magnet is fixedly mounted on the inner wall of each mounting groove, and a magnet is fixedly mounted on the inner wall of each mounting groove. Iron blocks are slidably connected into the mounting grooves, a plurality of limiting barbs are vertically arranged on the sides, away from the magnets, of the iron blocks at equal intervals, and each iron block is sleeved with a magnet exciting coil. The stress condition of the hook is monitored through the pressure sensor, effective hooking of a grounding wire is ensured based on scientific data analysis, meanwhile, the hook is locked based on pulse driving, the problem that the hook is loosened due to the influence of external wind power is solved to a certain extent, power can be supplied through the battery, power consumption is low, and the size is small; and the situation that a worker hangs the grounding wire by feeling and experience is avoided, the situation that the hook is loosened and falls off is prevented, and personal potential safety hazards are reduced.

The embodiment of the invention provides a window character display control method and device, a vehicle and a readable medium, and is applied to a terminal, the method comprises the following steps: when the terminal creates a page, monitoring a text window created in the page, and obtaining the window attribute of the text window, wherein the window attributes comprise character sizes and font units; determining a target text window based on the font unit, wherein the target text window comprises a target character size; judging whether the size of a preset system font is changed or not when the page in the system is refreshed, the system font having a scaling parameter; and if yes, refreshing the characters in the target text window by adopting the target character size and the scaling parameter. Therefore, when the size of the font of the system is changed, the characters in the window can be directly refreshed, so that the speed of changing the sizes of the characters is high, the use experience of a user is improved, and the workload of developers is not increased.

The invention discloses a coal field drilling depth measuring device, which relates to the geological related field, comprises a depth detection mechanism, a signal transmission mechanism and a secondary signal receiving mechanism, and is characterized in that the depth detection mechanism, the signal transmission mechanism and the secondary signal receiving mechanism are connected through electric signals; the depth detection mechanism comprises a depth detection base plate, the top end of the depth detection base plate is provided with an air blowing mechanism access plate, one end, far away from the depth detection base plate, of the air blowing mechanism access plate is provided with an air inlet, the bottom end of the depth detection base plate is provided with an air bag recovery port, and the side wall of the bottom end of the depth detection base plate is provided with a hinge support; meanwhile, when the measuring rod is used, by arranging an independent signal transmission mechanism, the rock drilling depth in a mine pit can be measured according to the signal strength, and the problem that a traditional measuring rod is inaccurate in measurement in a rugged environment is solved; and meanwhile, potential personal safety hazards to the measuring personnel possibly caused by the fact that the measuring personnel enter an unstable environment are reduced.

The invention relates to an overturning and discharging device for a baked graphite electrode saggar. The device comprises an upper cover rotating part (3), a lower cover rotating part (5), an overturning part (4), a hydraulic system (14), a coupling (1), a power shaft (8), a main shaft support frame (7), a support shaft (6), a support device (9) and the like, and is characterized in that: the support shaft (6) of the overturning part (4) is connected with the power shaft (8); a power hydraulic cylinder (15) is connected to the power shaft (8) by the coupling (1); the upper cover rotating part (3) and the lower cover rotating part (5) are provided with lateral hydraulic cylinders (2); the overturning part (4) is connected with the support device (9) by the support shaft (6); and ground nails (10) are arranged on a ground base by the support device (9). By the overturning and discharging device provided by the invention, the damage of dust generated by the conventional discharging method to workers can be greatly reduced, the work efficiency can be improved, and both waste of filling materials and cost can be reduced.

The invention discloses a smoke alarm installation device. The smoke alarm installation device comprises an installing shell, a wall adhering plate is integrally arranged at the bottom of the outer side of the installing shell, a plurality of expansion screws penetrate through and are connected to the surface of the wall adhering plate, a closed cavity is formed in the inner side of the installing shell, an installing groove is formed in the axis position of the bottom end of the wall adhering plate, a limiting ring groove is formed in the outer side of the installing groove, and a plurality of evenly-distributed sliding blocks are slidably connected into the limiting ring groove. According to the smoke alarm installation equipment, a smoke alarm body is horizontally hoisted, a first double-shaft motor enables two storage coils to synchronously store a rope, under the cooperation of a travel switch, an infrared sensor and a single-chip microcomputer, the storage coils have the two states of being driven and being not affected by movement, finally the smoke alarm body is automatically and accurately installed and fixed, disassembly, replacement and maintenance are convenient and fast, a worker does not need to climb to a high position for operation by adopting a tool, the personal potential safety hazards of the worker are reduced, and the working efficiency is improved.

The invention discloses a method for preventing a hard roof of a high-gas stope from collapsing and falling to burn gas, and relates to the technical field of coal mine safety. Preventing measures are taken from multiple aspects of the factors of gas detonation caused by collapsing and falling of the hard roof of a stope face of a highly gassy mine, the construction method is easy and convenient to implement, through experiments of many times, the preventing effect is obvious, cost is low, the method is suitable for being applied and popularized within a large range of a mine lot, the probability that the hard roof of the highly gassy mine causes gas detonation is reduced, and the potential hazard to personal safety of underground coal miners is reduced.

The invention discloses efficient permanent magnet motor direct-drive screw pump oil mining and transporting equipment and belongs to the field of oil mining equipment. The efficient permanent magnet motor direct-drive screw pump oil mining and transporting equipment comprises a screw pump component (9) and is characterized in that a bottom centralizer (1), an efficient permanent magnetic submersible electric unit, a serial bearing pack and a bidirectional thrust universal coupler (6) are sequentially mounted at the lower portion of the screw pump component (9) from bottom to top, an oil delivery pipe (17) is connected to the upper portion of the screw pump component (9), a plurality of valve components are mounted in the oil delivery pipe (17), and the upper end of the oil delivery pipe (17) is connected with surface equipment. By the arrangement, reliability and transmission efficiency of products can be greatly improved, service life of the equipment is prolonged, bearing force is high, and requirements on high delivery lift and large displacement units are met.