24results about How to "Avoid causing safety accidents" patented technology

The utility model discloses a natural gas leakage detection device which comprises a natural gas pipeline, a large sealing cavity is fixedly connected above the natural gas pipeline, and the utility model relates to the technical field of leakage detection. According to the natural gas leakage detection device, by arranging the large sealing cavity, when natural gas leaks seriously, the internal pressure of a natural gas pipeline is small, so that a spring telescopic rod drives a baffle to seal a gas inlet, then a lifting plate moves downwards to enable the natural gas in the large sealing cavity to eject a pressure release valve on the baffle, and safety accidents caused by continuous leakage are prevented; according to the natural gas leakage detection device, two groups of forward wheels are driven by a motor to rotate, and when a circular ring moves to a leakage point, natural gas jacks a small sealing cavity to rise and then pulls a sliding plate, so that a first transmission gear is separated from a second transmission gear, and the circular ring stops moving to block the leakage point on the outer wall of a natural gas pipeline; and a worker can determine a leakage place by observing the position of the circular ring.

The utility model discloses an integral structure of an integrated high-pressure valve, and belongs to the field of control valves. According to the technical scheme, the integrated high-pressure valve overall structure comprises a valve body, and the valve body is provided with a first oil way communicated with an oil pump, a second oil way communicated with an oil tank, a third oil way communicated with a rodless cavity of an oil cylinder and a fourth oil way communicated with a rod cavity of the oil cylinder. The control of the mechanical carrier on the strong pressure lowering, natural lowering and lifting functions of the load is coupled on the main valve core, the position of the main valve core is controlled in a sliding manner to realize the switching among different functions, and the impact caused by disordered control logic during opening and closing is avoided directly through the structural characteristics of the element, so that the safety of the mechanical carrier is ensured. The system structure is simplified, the number of oil channels is reduced, the number of valve element assemblies used in the whole hydraulic system is reduced, the weight of the whole structure is reduced, the assembling difficulty is lowered, the service life of parts is prolonged, and therefore the maintenance cost and the maintenance cost are reduced.

The utility model discloses a lifting and descending functional structure, and belongs to the field of control valves. According to the technical scheme, the lifting and descending function structure comprises a valve body, the valve body is provided with a first oil way communicated with an oil pump, a second oil way communicated with an oil tank, a third oil way communicated with a rodless cavity of an oil cylinder and a fourth oil way communicated with a rod cavity of the oil cylinder, and the lifting and descending function structure further comprises a sliding cavity formed in the valve body. A main valve element is connected into the sliding cavity in a sliding mode, and a first conduction mechanism is arranged on the main valve element. According to the utility model, the strong pressure of the load is lowered and integrated on the main valve core, so that the impact caused by disordered control logic during opening and closing is avoided, the system structure is simplified, the number of oil ducts is reduced, the number of valve core components used in the whole hydraulic system is reduced, the weight of the whole structure is reduced, and the assembly difficulty is reduced; and the service life of parts is prolonged, so that the maintenance cost and the maintenance cost are reduced.

The utility model discloses a mechanical load test device for a charging interface, which comprises a case with an inner cavity and a machine table connected to the side wall of the lower part of the case, a jig is rotatably arranged on the side wall of the upper part of the case, and a charging gun with a cable is mounted on the jig. A driving mechanism connected with the jig is arranged on the inner wall of the machine box, a lifting table is arranged on the top face of the machine table in a lifting mode, and a force application assembly and a clamping assembly connected to the upper portion of the force application assembly are placed on the lifting table. According to the utility model, the charging gun is installed through the clamp, a charging interface load test is carried out on the charging gun through the force application assembly after the cable of the charging gun is clamped by the clamping assembly, and the cable can be stably fixed by the clamping assembly, so that the cable is not easy to fall off, safety accidents are avoided, and the test efficiency is improved.

The utility model relates to the technical field of garment processing, and discloses a garment fabric cutting device which comprises a device frame body, an unwinding roller, a fabric cutting part and a plurality of winding rollers are sequentially installed on the device frame body, and the fabric cutting part comprises a configuration frame and a plurality of cutters installed on the configuration frame; the divider comprises a mounting frame, a pressing unit, a switching unit and a dividing knife; the switching unit comprises a switching rod, a limiting rod, a tool apron, a second spring and a gasket; the installation frame comprises a base and a limiting frame installed on the base. By arranging the divider, after a roll of cloth is divided, a worker only needs to press a switching rod to enable a dividing knife to leave a dividing station, at the moment, the worker can directly start to lay a new roll of cloth, and then the switching rod is pressed again to enable the dividing knife to return to the dividing station to continue working; the configuration frame does not need to be frequently disassembled, the subsequent height adjustment work on the configuration frame every time can be omitted, a large amount of time is saved, and the operation efficiency is improved.

The invention discloses an interlocking mechanism for controlling the opening and closing sequence of a cabinet door of a switch cabinet and a use method, and belongs to the technical field of switch cabinet equipment, the interlocking mechanism for controlling the opening and closing sequence of the cabinet door of the switch cabinet comprises a cabinet body and an interlocking mechanism, the cabinet body is used for separating electrified intervals, and the cabinet body comprises an upper cabinet door, a partition plate, a lower cabinet door and a base body; the upper cabinet door is fixedly connected with the upper part of the base body through bolts, the right side of one end of the lower cabinet door is screwed with the lower part of the base body through a hinge, and the left side of the lower cabinet door is fixedly connected with the base body through bolts, so that the lower cabinet door can be opened through the hinge after the bolts are removed; the side face of the upper cabinet door is fixedly connected with the lock rod, one end of the lock rod is provided with a spiral hole, the lock rod is connected with the interlocking mechanism through the spiral hole, the opening and closing sequence of the upper cabinet door and the lower cabinet door is controlled through the interlocking mechanism, mistaken opening and mistaken closing of the cabinet doors are prevented, and only when the upper compartment is not electrified, the upper cabinet door can be opened to enter the upper compartment, and mistaken entering into the electrified compartment is prevented.

This application relates to the field of automotive mold manufacturing technology, and in particular to a mold cleaning device, including a housing, a protective mechanism, a drive mechanism, and a cleaning gun placement mechanism. The housing consists of a base, an outer cover fixedly mounted on the upper surface of the base, and a front opening on the front of the outer cover and a top opening on the top of the outer cover. The protective mechanism consists of a front protective component located at the front opening and a top protective component located at the top opening. The front protective component includes a groove on the inner wall of the outer cover, and a left protective door and a right protective door that slide and engage with the inner wall of the groove via rollers. The mold cleaning device described in this application employs a linkage design between the left and right protective doors and a foldable top plate, synchronously controlled by the drive mechanism, to automatically open and close the openings during mold loading and unloading, effectively isolating high-pressure fluid splashing and diffusion.

The utility model relates to the field of cable wheel discs, in particular to a cable wheel disc which comprises a center cylinder, two oppositely-arranged baffle discs and an adjusting device, the center cylinder is composed of two telescopic cylinders which are matched in an inserted mode and connected in a sliding mode, and the adjusting device achieves the telescopic function of the center cylinder through threaded connection of a lead screw and the telescopic cylinders. In addition, the cable wheel disc is further provided with a sliding rail and sliding groove matching structure to enhance stability, the detachable multi-pulley design is arranged on the edge of the blocking disc to facilitate adjustment, and meanwhile an anti-rolling device is arranged to ensure use safety. The technical effects of improving the adaptability and safety of the cable wheel disc and optimizing the operation convenience are achieved.

The leveling system comprises a control box, the control box is in signal connection with an operation box, the control box is further connected with a leveling control box, a power distribution unit and a network switch are arranged in the leveling control box, and the network switch is connected with a gateway unit and a data processing unit through signal cables; the gateway unit is in signal connection with a sensor unit arranged in the movable power drill rod box; the data processing unit is connected with an execution mechanism unit and an indication unit. The leveling method comprises the following steps: starting the drill rod box power distribution system, leveling the control box, and carrying out self-inspection initialization; an oil cylinder in the middle of an inner side beam body of the inner box serves as a reference oil cylinder, and the height of the reference oil cylinder is adjusted; and the heights of the other oil cylinders are sequentially adjusted based on the height of the reference oil cylinder, and leveling of the movable power drill rod box is achieved. The problems that in the prior art, the power drill rod box is manually leveled and moved, so that the leveling difficulty is large, the precision is low, and the personnel operation safety is poor are solved.

The utility model provides a scaffold which comprises a layer plate, a plurality of guide rails and a plurality of guide rails, wherein the layer plate is provided with a notch and symmetrical track grooves, the symmetrical track grooves are respectively communicated with the notch, the layer plate is provided with two groups of symmetrical straight grooves, and each straight groove is respectively communicated with the corresponding track groove; the symmetrical baffles are matched with the notch and the symmetrical rail grooves, each baffle is connected with an L-shaped rod, and each L-shaped rod is arranged in the corresponding straight groove; and the convex block is rotationally connected with one ends of the symmetrical connecting rods. The utility model relates to the technical field of building construction, in particular to a scaffold. Aiming at the defects in the prior art, the construction frame is developed, when the lifting groove is not used, the baffle plate closes the notch, and when the lifting groove drives equipment to move upwards, the baffle plate does not close the notch any more, so that the equipment is convenient to take.

The invention discloses a coal mine fireproof gas detection device with a protection structure, and relates to the technical field of gas detection devices, the coal mine fireproof gas detection device comprises a machine body, a first shell, a first protection plate and a second shell, and the machine body is internally provided with a gas detection probe. According to the coal mine fireproof gas detection device with the protection structure, a bevel gear set is driven by a starting motor to rotate, the bevel gear set drives an exhaust fan to rotate through a connecting column, external air is fed into a machine body, and meanwhile, a round rod on one side of the exhaust fan drives a gear set to rotate through a first belt wheel set; the gear set can drive the connecting rod to rotate, the connecting rod can make contact with a sliding groove in the cleaning brush when rotating, the cleaning brush is driven to swing in a reciprocating mode, and the cleaning brush can clean dust and impurities deposited on the filter screen, so that through the operation, the filter screen can be cleaned while air enters the machine body; dust in the air is prevented from blocking the filter screen.

The utility model relates to the technical field of scissor ladders, in particular to an assembly type scissor ladder, a splicing device comprises two inserting plates, the two inserting plates are fixedly installed on the side face of a stair plate, two inserting grooves are formed in the surface of a wall body, two U-shaped plates are fixedly installed on the surface of the bottom of the stair plate, threaded rods are rotationally connected between the inner walls of the two ends of the two U-shaped plates, and the two ends of the two U-shaped plates are connected with the threaded rods. A rotating wheel is fixedly installed at one end opening of the threaded rod, a sliding groove is formed in the surface of the inner wall of the U-shaped plate, a movable plate is in threaded connection with the surface of the threaded rod, the movable plate is in sliding connection with the sliding groove through the threaded rod, a positioning rod is fixedly installed on the surface of the movable plate, and two positioning seats are fixedly installed on the surface of the wall body; and positioning holes are formed in the surfaces of the two positioning seats. According to the two-section type prefabricated scissor stair, the problems that safety accidents are easily caused and requirements of people cannot be met due to the fact that the connecting position between the prefabricated stair plate and the wall body of an existing two-section type prefabricated scissor stair is not firm enough are solved.

The utility model relates to cantilever hanging basket technical field discloses a movable telescopic cantilever hanging basket, including four auxiliary fixed subassembly, two tracks, two early warning subassembly and roof rack, two the track all include I -beam rail, the both sides of I -beam rail upper end surface all are fixedly arranged with side plate, two I -beam rail upper end all slide setting has cantilever frame, two early warning subassembly respectively fixed at two cantilever frame front end inclined plane lower end, four auxiliary fixed subassembly all through two guide rods are respectively installed at two cantilever frame lower end surface front and back side place, the auxiliary fixed subassembly includes outer frame, the both sides of outer frame inner wall all are fixedly arranged with side frame. In the utility model, not only realize stable support structure, can also timely early warning remind simultaneously, and early warning structure can be recycled, and the security and practicality are higher.

The utility model provides a kind of safety protection steam generator, comprising: boiler shell, with inner cavity, and with inner cavity communication inlet liquid pipeline, exhaust pipeline;Heating assembly, be set on the outer wall of the bottom plate of boiler shell, for heating bottom plate, and heat is transferred to the liquid flowing into inner cavity by bottom plate, to generate steam;Temperature controller, be set in the outer wall center area of bottom plate, for detecting the temperature of bottom plate, and according to the temperature of bottom plate control heating assembly's operating state;Solenoid valve, be set in exhaust pipeline;Pressure relief valve, be set on boiler shell, and with inner cavity communication;The utility model reduces the structural complexity degree of boiler shell and steam generator on the one hand, is favorable to reduce production manufacturing difficulty, on the other hand, because corresponding assembly hole is saved, it is unnecessary to additionally consider corresponding sealing problem, also improve the safety protection performance of steam generator.

The utility model relates to the field of anti-collision structures, in particular to an anti-collision structure for a car window motor. The technical problems that an existing car window motor is usually directly embedded into a car door, when collision happens, the motor is prone to being damaged, a car window cannot ascend and descend, the motor can ascend all the time once started, and safety accidents are prone to being caused when the motor encounters obstacles are solved. Comprising a motor assembly, a first anti-collision assembly, a second anti-collision assembly and a third anti-collision assembly, and the first anti-collision assembly, the second anti-collision assembly and the third anti-collision assembly can be used for carrying out anti-collision protection on different parts of the motor assembly correspondingly, so that the internal motor assembly is not prone to damage; by arranging the Hall sensor and the current sensor, whether the car window encounters an obstacle or not can be detected by detecting the rotating speed of the rotating shaft of the motor body and the current change condition of the motor body, so that measures are taken in time to control the car window to ascend and descend, and safety accidents are avoided.

This utility model relates to the field of circuit breaker technology for distribution cabinets, and more particularly to an anti-misoperation mechanism for circuit breakers in distribution cabinets. It includes a cabinet, a circuit breaker body, a mounting bracket, a grounding gate, a grounding switch, mounting rods, wedges, and springs. The mounting bracket is fixedly installed inside the cabinet, the grounding gate is fixedly installed on one side of the mounting bracket, and the grounding switch is located below the grounding gate. Two sets of springs are fixedly installed between the grounding switch and the mounting bracket. Two sets of mounting rods are fixedly installed at the upper end of the grounding switch, and wedges are fixedly installed at the upper end of the mounting rods, with the wedges penetrating through a partition. This utility model utilizes the cooperation between the circuit breaker body and the wedges. When the circuit breaker body is inside the cabinet, pressure is applied to the wedges to compress the springs, causing the grounding gate and grounding switch to separate. When the circuit breaker body is removed, the springs extend, causing the grounding gate and grounding switch to close, preventing electrical accidents caused by misoperation.

The utility model discloses a low-inductance high-voltage plastic shell pulse capacitor, which comprises a plastic shell and a pulse capacitor body fixedly arranged in the plastic shell, a high-voltage line is fixedly arranged at the upper end of the pulse capacitor body, and an insulating base is fixedly arranged at the upper end of the high-voltage line. An output connector is fixedly installed at the upper end of the insulation base, a protection shell is fixedly installed at the bottom of the insulation base and isolates the bottom of the insulation base, and a protection mechanism is arranged on the outer side of the insulation base. According to the low-inductance high-voltage plastic shell pulse capacitor, if the interior of the device is short-circuited, a protection circuit is disconnected, an electromagnet loses power, and an adsorption iron sheet cannot be adsorbed, at the moment, a puncture cone is influenced by the tension of a reset spring, and the puncture cone slides outwards along a limiting groove through a limiting block, so that the plastic shell and a material on the surface of the plastic shell are punctured; air in the pulse capacitor is communicated with the outside, and overload expansion explosion in the pulse capacitor is avoided.

The utility model discloses a polishing device which comprises a settling pond, an inserting groove is formed in the top side of the settling pond, a filtering frame is inserted into the top of the settling pond, a supporting base is fixedly connected to the top of the filtering frame, and a pair of first limiting sliding grooves is formed in each of the two sides of the top of the supporting base. The device comprises a supporting base, a pair of first adjusting frames are fixedly connected to the two sides of the top of the supporting base, a bidirectional threaded rod is rotationally connected between the first adjusting frames, a first rotating motor is installed on one side of each first adjusting frame, and a pair of fixing bases are fixedly connected to the positions, located on the top of the supporting base, of the two sides of each first adjusting frame; according to the non-ferrous metal plate polishing device, through the design, the convenience of non-ferrous metal plate polishing can be improved, manual operation is not needed, potential safety hazards are reduced, and the non-ferrous metal plate polishing device is convenient to use and high in practicability. And the polished metal powder can be conveniently and intensively recycled, and the overall practicability is improved.

The utility model particularly relates to a temporary transfer material storage rack which comprises a plurality of detachable placing racks distributed up and down, each placing rack comprises four supporting legs, a placing plate is arranged above the four supporting legs, a placing groove is formed in the middle of each placing plate, a plurality of strip-shaped grooves are transversely and evenly formed in the bottom of each placing groove, and each strip-shaped groove is provided with a plurality of clamping grooves. A roller shaft is fixedly arranged in each strip-shaped groove, and a plurality of rollers are rotatably and uniformly arranged on the roller shafts; parts or raw materials of chemical fiber yarn production equipment can be conveniently and temporarily placed, and placing frames with different layers can be arranged on specific stations according to production requirements so as to meet the production requirements of the chemical fiber yarn production equipment; the universal wheels are arranged, so that the device is convenient to move; the use is more convenient; the rollers are arranged, so that the storage box can be conveniently placed at a specified position on the placement rack, and more labor is saved when the storage box is moved on the placement rack; by arranging the limiting mechanism capable of moving up and down, the storage box can be prevented from moving front and back to be separated from the placement frame, and safety accidents are avoided.

The application discloses an edge sealing device for an internal floating roof tank with an air bag, which comprises a tank, a floating roof, an edge plate, an air bag, a pressure sensor and a processor. The tank is internally provided with the floating roof, the outer side of the floating roof is provided with the edge plate, the edge plate and the inner wall of the tank are provided with the air bag, the inner wall of the air bag is provided with the pressure sensor and the processor, the pressure sensor and the processor are electrically connected, and the processor is in wireless communication with a user terminal. The pressure sensor can monitor the pressure in the air bag, transmit pressure data to the user terminal, and remind workers to take timely measures when the pressure data in the air bag exceeds the normal range, so that the pressure in the air bag is within a safe range, and safety accidents are avoided.

The invention discloses a device for hoisting a hot steel slag slag pot, comprising a hook body, a wear-resistant mechanism, an anti-drop mechanism, a fixing block and a fixing mechanism. The invention has the following beneficial effects: the wear-resistant mechanism is slidably connected to the hook body, and the wear-resistant mechanism is used to increase the wear resistance of the hook body, thereby extending the service life of the sling, thereby facilitating cost reduction; the anti-drop mechanism is installed on the hook body, and the anti-drop mechanism is fixedly connected to the wear-resistant mechanism. When the wear-resistant mechanism is slid toward the hook body by the gravity of the rope and the slag pot, the anti-drop mechanism is driven to move, so that the anti-drop mechanism blocks the opening of the hook body to prevent the rope from falling off; the fixing mechanism is fixed to the hook body through the fixing block, and the rope connecting the hook body and the slag pot is fixed by the fixing mechanism, thereby preventing the rope from sliding on the hook body, thereby facilitating the stabilization of the center of gravity of the slag pot and facilitating the hoisting of the slag pot.

The utility model discloses a tool for quickly dismounting or mounting a baffle in a wind area of a generator, which comprises a transmission cylinder, one end of the transmission cylinder is connected with a nut sleeve, a guide rod is inserted in a transmission rod, the guide rod can move up and down in the transmission cylinder, one end of the guide rod can extend out of the transmission cylinder, and the other end of the guide rod can extend out of the transmission cylinder. The end, extending out of the nut sleeve, of the guide rod is connected with a threaded column, and external threads on the threaded column are matched with internal threads of a nut screwed on the nut sleeve. An existing nut screwing device is improved, the guide rod is additionally arranged, and the threaded column is arranged at the end of the guide rod, so that the nut can be temporarily fixed through the threaded column in the nut dismounting process, and unnecessary safety accidents caused by the fact that the nut falls into a generator stator chamber in the nut dismounting process are avoided; in the nut installation process, the clear installation position guide is provided for the nut, and the installation efficiency of the nut on the baffle can be improved to a certain degree.

The present invention discloses a municipal road barrier with a sound-absorbing function, comprising: a plurality of porous sound-absorbing panels that match the direction of travel of the urban road to form a barrier with a sound-absorbing function on both sides of the road; wherein each of the porous sound-absorbing panels has a plurality of holes, and each of the holes is configured to be through-shaped to communicate with the adjacent holes, thereby forming a sound-absorbing cavity and a self-cleaning through hole of an integral structure in each of the porous sound-absorbing panels. The present invention provides a municipal road barrier with a sound-absorbing function, which can achieve a noise absorption effect of about 30% through the selection of materials; at the same time, by setting the multiple holes in the material to be through-shaped to communicate with the adjacent holes, the noise can be further transmitted and maintained when it is absorbed or vibrated in the hole, and the noise stay time in the hole is increased by 2-3.5 times, thereby achieving a sound absorption effect of 80% or more.

The utility model provides an assembled railway signal equipment hardened base made of SMC (Sheet Molding Compound) composite materials, and belongs to the technical field of railway equipment. Comprising a main body frame, a plurality of fixing bases are poured in the main body frame, the top of the fixing base located at one end of the main body frame is fixedly connected with a signal lamp body, and the tops of the other fixing bases are fixedly connected with two equipment boxes. Through the design of the splicing component, the base can be quickly mounted and dismounted, so that the construction period is greatly shortened, and the working efficiency is improved. The main body framework, the connecting column, the connecting frame and other structures in the splicing assembly are connected through bolts and other fasteners, the installation process is simpler, more convenient and faster, the base is designed in a modular mode, the main body framework, the fixing base, the splicing assembly and the like can be combined and adjusted according to actual requirements, and the flexibility and adaptability of the base are improved. By means of the design, the base can easily meet the requirements of different terrains and signal equipment layouts.