43results about How to "Eliminate operational safety hazards" patented technology

The invention discloses a retractable type movable hoisting platform and a ship comprising the same.The retractable type movable hoisting platform comprises a portal frame, a platform and a retractable system.The platform is arranged at one end of the portal frame, and multiple platform lug plates are hinged to the end, close to the portal frame, of the platform.The retractable system is installed between the portal frame and the platform and used for enabling the platform to rotate relative to the vertical portal frame, so that the platform is switched between a horizontal state and a vertical state.The ship comprises a cabin wall and a storeroom deck.The storeroom deck extends outwards from the cabin wall.The ship comprises the retractable type movable hoisting platform.By adopting the retractable movable hoisting platform, great convenience is brought for achieving safe goods hoisting.

The invention discloses a method for detecting floating of track fastener bolts based on height comparison, which belongs to the field of railway infrastructure detection. The method mainly comprisesthe following steps of: obtaining three-dimensional shape data of the track fastener and converting the date into a two-dimensional depth image; determining an area of interest of the bolts in the two-dimensional depth image; and calculating bolt height in the area of interest of the bolts, and comparing the bolt height with reference height value when the bolts are not floating, for detecting whether the bolts are floating. The method for detecting floating of the track fastener bolts disclosed by the invention has the advantages that an existing railway fastener structure is not changed, themethod is simple and reliable, use range is wide, use mode is flexible, and the like, the loose defect of the fastener can be effectively detected in advance, and running safety of the track is guaranteed.

The invention provides an automatic unhooking system for a draw gear connected with a disassembled carriage during railroad freight transportation and a method. The system comprises a data center, a client side, a site monitoring unit, a sensing device and an unhooking robot. During work, the site monitoring unit is in real-time communication with the data center, information such as disassembly operation notice orders and locomotive parameters is obtained through a comprehensive automation system interface of a marshalling station, the information collected by the sensing device is analyzed,an unhooking instruction is transmitted to the unhooking robot, and then all units of the unhooking robot cooperate to complete an unhooking task. The automatic unhooking system is ingenious in idea,reasonable in structure, convenient to use, flexible to adjust, high in universality and easy to maintain, the working efficiency of the marshalling station during railroad freight transportation is obviously improved, and the automatic unhooking system can be widely applied to various kinds of electrified railway construction.

The present invention relates to a gantry-type road cone automatically deploying and retracting device. The gantry-type road cone automatically deploying and retracting device comprises a conveying device, a transporting device and a ground-connected conveying and placing device, wherein the transporting device also comprises push plates and a conveying crawler belt, and the push plates are installed on side baffles of a vehicle body while the conveying crawler belt is installed on a flat board of the vehicle body; the transporting device also comprises a track and support forks, and the support forks can move along the track; and the ground-connected conveying and placing device comprises a road cone deploying and retracting crawler belt forming a certain angle with the ground, and a micro poking and shoveling component. Manual replacement and recycling of the road cones during road maintenance is replaced, and full automation of road cone placement and recycling is realized. Risks of road operation are reduced, and personal safety of workers during working is raised. The road working efficiency is raised, and time is saved. Through constant-speed advancement of the vehicle and constant-speed movements of the device, equal-distance placement of the road cones is realized, and the aim of controlling distance among the road cones can be achieved by changing travelling speed of the vehicle.

The invention discloses an overhead line system maintenance electric ladder vehicle which comprises a chassis, an operating platform, a folding ladder body and walking devices. The walking devices areinstalled at the four bottom corners of a ladder base 4. The ladder base is arranged between the chassis and the folding ladder body and fixed to the chassis. The lower end of the folding ladder bodyis movably connected with the ladder base. A stabilizing device is arranged on the chassis, and comprises an installation base, a permanent magnet and positioning wheels, wherein the permanent magnetand the positioning wheels are installed in the installation base, the positioning wheels are installed on the two sides of the permanent magnet, and the installation base is installed on the chassisand can swing round a pin shaft. In the working state, the ladder body is shortened in height, low in gravity center and high in stability; the positioning wheels are supported on rails, the permanent magnets provide constant downward pressure, the ladder body is stable, and operating is safe; in the walking state, the ladder body is folded up, the installation base upward swings and turns over,the effect of magnetic force is eliminated, running is easy and saves energy, operations are easy and save labor, people can rest hands on a frame when moving together with the ladder vehicle, runningis safe, and the speed is increased to 10 km/h.

The invention discloses multi-working-procedure integrated contact processing equipment which comprises a base platform, guide posts fixed to the base platform and a movable platform installed on the guide posts in a vertically-movable mode. The multi-working-procedure integrated contact processing equipment further comprises a contact plate blank feeding mechanism, a contact lower die plate fixedly arranged on the base platform and a contact upper die plate fixedly arranged on the movable platform. The contact lower die plate is provided with a stamp die assembly comprising multiple stamp dies. The contact upper die plate is provided with a punch assembly comprising multiple punches. The stamp die assembly on the contact lower die plate comprises a contact hole stamp die and a cut-off stamp die. The punch assembly is correspondingly provided with a contact hole punch and a cut-off punch. The movable platform drives the contact upper die plate to move downwards, accordingly, the punch assembly and the stamp die assembly are matched in a stamping mode for stamping multiple contact finished products from the contact plate blank, the contact point punch and the contact hole stamp die are matched for punching contact holes in the contact plate blank, the cut-off punch and the cut-off stamp die are matched to cut off the contact plate blank, and contact processing efficiency is effectively improved.

The invention discloses a life rope fixator, comprising clamps 4 and 5 having a U-shaped vertical section; the outer side of one end of each of the clamps 4 and 5 is provided with connection plate 6 vertically fixed to the end, the outer side of the end A of the clamp 4 or 5 is also provided with steel angle 2 vertically fixed to the end, the steel angle 2 is provided with life rope insertion hole 1, and the connection plates 6 on the clamps 4 and 5 are connected in releasable manner. In use of the life rope fixator, a roof steel beam is placed in U-shaped openings of the clamps 4 and 5, the clamps 4 and 5 are then fastened in releasable manner, the roof steel beam is firmly fixed in the two opposing U-shaped openings, a life rope is passed through the life rope insertion hole 1, and accordingly the life rope is fixed. When the life rope fixator is idle, the clamps 4 and 5 are separated. The life rope fixator is simple in structure, convenient to operate, low in cost and convenient to use, is suitable for long-term use after single investment, is friendly to the surface of a steel beam, and may serve as a good life rope fixing manner for the industry of modern buildings.

The invention discloses a high-precision powder forming machine and relates to the technical field of powder forming machines. A cabinet is arranged at the left half part of the front side of a power forming machine, an electric cabinet is arranged at the right half part of the front side of the powder forming machine, the cabinet is connected with the side edge of the electric cabinet to form the powder forming machine, a side support plate is mounted on the side surface of the cabinet, an overshooting motor and an upper servo motor are mounted in a rack I, a powder flow distributing device is mounted on the side edge of the overshooting motor and located behind the electric cabinet, a vertical linear pressing device is mounted in a rack II, a feeding device is transversely mounted at the side edge of the vertical linear pressing device, an undershooting motor and a lower servo motor are mounted in a rack III. The high-precision powder forming machine has the following benefits: die filling is convenient and quick; the pressure is stable and data display is realized; ultraminiature and irregularly-shaped products can be produced by pressing; adopted operating parts are fully-enclosed, so that potential safety hazards caused during operation are eliminated; the rotational speed is high, the one-outlet multi-mode purpose is achieved, the operation ratio is high, produced dies are low in loss, and products are burr-free; the high-precision powder forming machine can work in a natural environment; the energy consumption is low; oil and material leakage is prevented and no noise is generated.

The invention discloses a novel stone sheet processing table comprising a supporting part and a table-board arranged on the supporting part. The table-board comprises an outer frame which is fixedly arranged on the supporting part, a plurality of strip bodies that is installed inside the outer frame by means of intersecting with one another both longitudinally and transversely, and a plurality of supporting units having cross-type slots at their bottoms, wherein the supporting units are clamped at the intersections of the plurality of strip bodies through the cross-type slots. Comparing with the prior art, the problems that the potential safety hazard is caused due to the fact that the table-board is carelessly cut, cooperation is required during the cutting, the sheet at the cut-off portion is easy to fall off when the cutting is finished, and the stone sheet needs to be held in the prior art can be solved, thereby the convenience of using the stone sheet processing table and the working efficiency of single-person operations can be effectively increased.

The invention relates to the field of unwinding or uncoiling of metal lines, metal strips or other flexible metal materials, in particular to a cold-rolled steel coil inner ring automatic spot weldingmachine and a using method thereof. The cold-rolled steel coil inner ring automatic spot welding machine comprises a spot welding machine component (1), and is characterized by further comprising a X-direction moving vehicle component (2), a Y-direction moving vehicle component (3) and a Z-direction moving vehicle component (4), and the like, wherein the spot welding machine component (1) comprises an inner ring open-circuit reaming device (101), an inner ring tensioning device (102), the spot welding machine (103), a transmission main shaft (107), a synchronous belt driven wheel (109), a synchronous belt driving wheel (110) and the like. The using method of the cold-rolled steel coil inner ring automatic spot welding machine is characterized by comprising the following steps of (1) identifying; (2) moving; (3) stretching; (4) supporting; (5) detecting; (6) welding; and (7) repeating. The cold-rolled steel coil inner ring automatic spot welding machine is high in automation degree, safe and reliable.

The invention discloses a multi-effect siphon phase-change circular heat transfer system, belongs to closed boiler heat supply systems, and relates to a boiler heat tube system, a mechanical siphon phase-change circular heat transfer system and a closed condensate water recovering system; intelligent multi-effect siphon condensate water and steam recovering machines are mounted on condensate water passages; the system is selectively equipped with a net-in device and gathering steam traps by a hot process; a traditional trap is eliminated; a gathering drain controller is used as a safety device; a compound storage tank is used for separating resurgent vapor efficiently; a special pump resists high temperature, prevents cavitation and remains seal; condensate water is recovered to a boiler through pump siphon; the resurgent vapor is recovered to be used stage by stage through exhaust stream backpressure/stream-jet siphon; continuous variable-flow water delivery is carried out to adapt to the variable working condition; the intelligent control is achieved; the condensate water is smoothly transferred; no waste heat is discharged; phase-change circular operation is realized to an isobaric/anisotonic boiler heat supply system, so that the isobaric/anisotonic boiler heat supply system becomes a real closed recovery system, and the energy saving and emission reducing effects are excellent. If waste heat is recovered to non-pressure equipment such as a deaerator/softened water tank to be heated, the pump is not used. The remote control operation is carried out through an operation platform of an internet of things.

The invention relates to the technical field of EMU train maintenance, and discloses a dismounting and mounting device. The dismounting and mounting device comprises a walking unit, a supporting unit, a lifting unit, a telescopic unit and an alignment unit, the supporting unit is arranged on the walking unit and used for supporting the walking unit, the lifting unit is arranged on the walking unit in a height-adjustable manner, the telescopic unit is arranged on the lifting unit in a sliding manner, and the alignment unit is arranged on the telescopic unit and used for bearing to-be-dismounted and to-be-mounted parts. The dismounting and mounting device is easy and convenient to operate, small in size and high in automation degree, the dismounting and mounting efficiency is improved, the number of operators is reduced, and potential safety hazards of operation are eliminated.

The invention relates to the technical field of power grounding wire clamps, and provides a universal push-pull micro-torsion type grounding wire device, which comprises a clamping part, a poking piece and a locking piece, wherein the clamping part comprises a fixed claw and a movable claw which can be opened and closed relative to the fixed claw; the poking piece is movably connected with the clamping part and can slide in a reciprocating mode in the direction where the axis of the poking piece is located to poke the movable claw to rotate relative to the fixed claw so as to achieve opening and closing of the clamping part; and the locking piece can move back and forth to be close to or far away from the poking piece, so that the locking piece and the poking piece are propped against eachother and separated from each other. The grounding wire can be conveniently and rapidly assembled and disassembled, the clamping stability and the wire clamp anti-falling performance are reliable, and the problems of inconvenient operation, high labor intensity, long time consumption, potential safety hazard and the like generally existing in the process of assembling and disassembling the grounding wire are thoroughly solved.

The invention relates to a method for welding a connector on a stiff tubular column. The method comprises the following steps: inputting data of the stiff tubular column and data of each rebar on a beam column joint into a drawing tool at equal proportions, determining the position, angle and elevation of the connector; drawing a connector positioning template in the drawing tool according to the data of the stiff tubular column and the data of position, angle and elevation of the connector; machining and forming the connector positioning template through a numerically-controlled machine tool; welding the connector positioning template on the corresponding position of the stiff tubular column; placing the connector on the corresponding position of the connector positioning template, welding the connector on the stiff tubular column; dismounting the connector positioning template. The investment on the labor charges is reduced; the potential safety hazard caused by operation in a narrow space by a constructor is avoided, the construction quality is strengthened, the mechanization of the building construction and instrumentalization of finished products are realized, the welding of the connector is not needed on the construction site, and the work amount of field welding is reduced.