102results about How to "Less prone to safety accidents" patented technology

The invention discloses a mechanical grab. The mechanical grab comprises a piston cylinder and a suspender body, a large through hole is formed in the center of the body, the piston cylinder is fixedly installed on the position over the large through hole of the suspender body, a piston rod of the piston cylinder is arranged in the through hole, an inverted cone is fixed to the piston rod of the piston cylinder, a guide rod is arranged in each straight through hole, guide grooves are formed in the guide rods, head portions of guide pins which are installed on the suspender body are arranged in the guide grooves in a lying mode, a movable arm is fixed to the outer end of each guide rod, and the movable arms are parallel to the center line of the piston cylinder; the lower ends of the movable arms are provided with inward claws; when the piston rod of the piston cylinder declines, the inverted cone drives the guide rods to move outwards, the opening between the claws is enlarged, workpiece grabbing is prepared, when the piston rod of the piston cylinder moves upwards, under the action of springs, the claws move inwards, and workpiece grabbing is achieved.

The invention discloses a bridge hollow-pier cantilever formwork and a construction method thereof and belongs to the technical field of road construction. The problems of long construction period, poor quality effect and high safety risk existing when an existing bridge high-pier column is in the form of a hollow pier and a shaped steel mold is adopted are solved. The bridge hollow-pier cantilever formwork is short in construction period, good in overall appearance quality, free of layered casting marks and does not need subsequent large-area modification, a construction process is simple, the technology is easy to master, the bridge hollow-pier cantilever formwork is convenient to operate and reliable in quality, is suitable for construction on a narrow site, is beneficial to clean and safe civilized construction on the site, creeping formwork equipment, a hanging operation platform and safety protectors are connected into a whole, aerial work is relatively safe, construction heightis not limited, a creeping formwork and the operation platform rise layer by layer, and compared with conventional formwork turnover construction, construction safety risks are greatly reduced.

The invention discloses a system for fast mounting a steel pull rod in ultra-long and large-dip-angle tunnel anchorage by means of a transverse gallery of a tunnel and an operation method. The operation method is characterized by comprising the following steps: (1) building of a platform; (2) arrangement of a traction system; (3) hoisting and transportation of the steel pull rod; (4) mounting of the steel pull rod. Due to large length, narrow space and a large dip angle in ultra-long and large-dip-angle tunnel anchorage, the steel pull rod is difficult to mount. With the adoption of the system and the operation method, the steel pull rod can be mounted in site smoothly and fast in the ultra-long and large-dip-angle tunnel anchorage by means of the transverse gallery of the tunnel; fewer materials are required, the structure is not complicated, the transportation distance is shortened, and the mounting efficiency is improved; the system is stable on the whole, and safety accidents are not prone to occur.

The invention provides an apparatus for lifting and turning a slag pot, which comprises a bracket (1), a lifting dolly (2), a support (3), two lifting hydraulic cylinders, two turning hydraulic cylinders (5) and a pair of slag pot trunnion clamping blocks (6). The apparatus for lifting and turning the slag pot of the present invention can overturn the slag in the slag pot without using a crane and a wire rope, so that compared with the prior art, the apparatus for lifting and turning the slag pot comprises the following beneficial effects: the processes of turning the slag and removing the slag are safe and reliable, the apparatus is safe, and accidents are not easy to occur.

The invention discloses a dot matrix pasting tool and a labeling method, and belongs to the technical field of labeling. The dot matrix pasting tool comprises a placing box, a labeling mechanism and asupporting, ejecting and pushing mechanism, wherein the labeling mechanism is arranged in the placing box and right faces an exposing opening formed in the top of the placing box, the supporting, ejecting and pushing mechanism is connected with the bottom of the labeling mechanism and used for pushing the labeling mechanism to move upwards so as to push and compress the labeling mechanism, one part of the labeling mechanism moves upwards to enable a dot matrix of a labeling unit to protrude out of the placing box, and the placing box is movably arranged outside the labeling mechanism in a sleeve mode and can move reversely relative to the pressed direction of the labeling mechanism to force the dot matrix of the labeling unit to be disengaged from membrane paper. Labeling personnel can stand on the ground and hold the dot matrix labeling tool by hand to label the high position, safety is high, safety accidents are not prone to happening, and labeling efficiency is high.

The invention provides an intelligent building with a rainwater collection function, belongs to the technical field of intelligent buildings, and aims at solving the problems that if a filter screen in a rainwater collection mechanism in an existing intelligent building is blocked during raining, people need to climb to a roof to clean impurities, labor loss is increased, and during roof filter screen cleaning in raining, safety accidents are quite prone to happening. The building comprises a building main body, a flower bed is arranged at the lower end of the exterior of the building main body, and a rainwater collecting mechanism is arranged at the top of the building main body. When it rains from the outside and rainwater is introduced into a rainwater receiving hopper, the left end ofa lever mechanism rotates upwards, a pressing block at the left end pushes and presses a left side sliding plate upwards, a starting switch button is pressed, a cleaning mechanism starts to operate, and therefore a filter screen at the top of a water conveying hopper is cleaned; and therefore, the phenomenon that the filter screen in the rainwater collecting mechanism is blocked in rainy days is effectively avoided, people do not need to climb to the roof to clean the impurities, labor loss is reduced, and safety accidents are not prone to happening.

The invention discloses an auxiliary base for telegraph pole installation. The auxiliary base for telegraph pole installation comprises a base body and a positioning sleeve, the positioning sleeve isvertically welded to the center position of the top end surface of the base body, three positioning notches which are uniformly distributed at intervals are formed in the axial side wall of the positioning sleeve, an inner cavity of each positioning notch is rotationally provided with a hinge plate which can rotate around the position between the middle section positions of the left side wall andthe right side wall of the inner cavity of the corresponding positioning notch through a pin, the bottom of the outer wall of the positioning sleeve is radially provided with positioning plates rightopposite to the inner cavities of the three positioning notches correspondingly, the top end surfaces of the three positioning plates are provided with placing notches communicating with the inner cavities of the three positioning notches, and the middle section positions of the top ends of the three positioning plates are provided with rectangular clamping notches which communicate with the innercavities of the placing notches and are used for being connected with the side wall of the bottom end of a telegraph pole in a clamped mode. According to the auxiliary base for telegraph pole installation, the safety accident of toppling is not prone to occurrence during installation of the telegraph pole, and the phenomenon of lateral inclination or fracture after the telegraph pole is vibratedis avoided.

The invention discloses quick opening/closing equipment for a valve of a petroleum transmission pipeline. The quick opening/closing equipment comprises a casing, wherein a handle is arranged on the surface of the casing; a round hole is formed in the side face of the casing; an electric motor is arranged in the casing; one end of a rotary shaft is connected with a rotating shaft of the electric motor; the other end of the rotary shaft penetrates through the round hole and is connected with the center of a disk; one end of each of three fixed rods is connected with the disk; the other end of each of the three fixed rods is connected with a clamping structure; each clamping structure comprises a first clamping sheet and a second clamping sheet; one end of each fixed rod is connected with the back side of the corresponding first clamping sheet; N screw holes are formed in each of the first clamping sheet and the second clamping sheet; bolts sequentially penetrate through the screw holes in the corresponding first clamping sheet and the corresponding second clamping sheet and are connected with nuts in a matching manner. The quick opening/closing equipment realizes the technical effects that the valve of the petroleum transmission pipeline is quickly opened or closed, the efficiency is higher, the labor cost is reduced, and safety accidents do not easily occur.

The invention discloses a safe lifting device for building construction. The lifting device comprises a lower base, an upper base, two supporting seats arranged between the lower base and the upper base, a rope lifting structure arranged between the two supporting seats, a lead screw lifting structure, gear transmission lifting structures and a lifting box, wherein a PLC is fixedly connected to the supporting seats and capable of controlling a lifting system, a stop system and a descending system. According to the lifting device, the rope lifting structure, the lead screw lifting structure, afirst gear transmission lifting structure and a second gear transmission lifting structure are cooperated jointly, so that the lifting effect is good, and the safety performance is high; and the lifting system, the stop system and the descending system are controlled through the PLC, and a one-key control function connected with the PLC is set on the PLC, so that it is convenient for an operator to control through one key, and the working efficiency and the operation convenience are greatly improved.

The invention discloses a connecting assembly, a power supply device and a mobile terminal. The connecting assembly comprises a board-to-board connector, a pressing buckling member and a mainboard. The board-to-board connector comprises a bottom end which is fixed to the mainboard, and a top end which is far from the mainboard relative to the bottom end. The pressing buckling member comprises a first fixed end which is fixed to the mainboard, and a second fixed end which is far from the mainboard relative to the first fixed end. The second fixed end is buckled with the top end of the board-to-board connector. The pressing buckling member applies a pressing buckling force to the board-to-board connector. The pressing buckling member can perform stable buckling on the board-to-board connector so that a stable structure of the connector assembly is realized, thereby ensuring stable structure of the connector assembly, realizing no easy safety accident in the assembling process of the connecting assembly and improving safety performance.

The invention relates to the technical field of power distribution cabinets and particularly relates to an inner cold and hot air circulation device of a power distribution cabinet, which comprises acold and hot air circulation channel. The cold and hot air circulation channel is composed of a gap between an inner cabinet body and an outer cabinet body; a plurality of sets of metal heat exchangeplates are arranged in the cold and hot air circulation channel; a plurality of sets of vertically-arranged containing plates are arranged in the inner cabinet body; and a plurality of sets of vertically-communicated heat dissipation holes are formed in the surfaces of the containing plates. The cold and hot air circulation channel is designed between the outer cabinet and the inner cabinet, and the cold and hot air circulation channel can achieve the purpose of good inner cold and hot air circulation heat dissipation among the inner cabinet, the outer cabinet and the inner cabinet; a coolingwater cavity is formed in the middle layer of the inner wall of the inner cabinet body, heat dissipation is achieved through combination of air cooling and water cooling, the overall heat dissipationefficiency is high, water and electricity of the cooling water cavity in the inner cabinet body are separated, safety accidents are not likely to happen, and cooling machine oil can be added into thecooling water cavity to be used for cooling.

The invention relates to a steel wire plastic pipe recovery device which consists of a telescopic rod, a hydraulic cylinder, a compression groove, a guide groove, a front guide wheel, a conveyor belt, an electric oven, a shearing cylinder, a rolling oil cylinder, a rolling panel, a rolling bracket, a rear guide wheel, a feeding platform, a discharge bracket, a discharge hole, a base, an electric heating wire, a power wheel and a shear knife, and is characterized in that the discharge bracket is arranged at one end of the base; the other end of the base is provided with the rolling bracket; the middle of the base is provided with the electric oven; the upper end of the discharge bracket is provided with the guide groove which is internally provided with the hydraulic cylinder; the lower end of the hydraulic cylinder is provided with the compression groove; the discharge hole is formed at the lower side of the compression groove. The steel wire plastic pipe recovery device has the beneficial effects of being simple in structure, convenient to operate, low in treatment labor intensity and high in working performance, and not easily causing safety accidents.

The invention discloses a dot matrix pasting method and a dot matrix pasting tool, and belongs to the technical field of labeling. The dot matrix pasting method comprises the steps that firstly, a dotmatrix pasting tool is used for placing a dot matrix unit to be pasted, and the dot matrix unit comprises a base layer and marking points capable of being pasted; then, the dot matrix pasting tool ismoved to an object to be pasted, and the marking points are arranged towards the object to be pasted; and by controlling the dot matrix pasting tool, all the marking points on the dot matrix unit arepasted on the object to be pasted at the same time, and the marking points are separated from the base layer. The dot matrix pasting method is simple to operate, easy to operate, high in labeling efficiency and high in safety degree. The dot matrix pasting tool comprises a containing box and a labeling mechanism, wherein the containing box is used for containing the dot matrix unit, the labelingmechanism is movably arranged in the containing box so as to paste the marking points to the object to be pasted at the same time, and besides, a penetrating layer blocks the base layer, so that the marking points can be separated from the base layer. By means of the dot matrix pasting tool, labeling personnel can easily carry out high-position labeling, the safety is high, and the labeling efficiency is high.

The invention relates to the field of hand rehabilitation robot research, and particularly relates to a novel hand exoskeleton rehabilitation mechanical arm which has flexible transmission and can beused for hand passive rehabilitation training. The device mainly comprises a palm part, a finger part, a control device and a detection device. The finger part and the palm part form a mechanical structure part of the whole device, a screw rod can be driven to rotate forwards and backwards through forward and backward rotation of a motor so as to control a spring to be disengaged from and insertedinto the screw rod, and therefore bending and straightening of fingers are achieved. The fingers can be bent and straightened fast many times through motor driving and spring piece bending, a plurality of training modes can be achieved, and the treatment effect is improved. Due to the fact that the soft spring piece structure is adopted, the device can conduct auxiliary movement with natural joint rotation of the fingers of a person as the constraint, and the device can adapt to the sizes of hands of different persons. The mechanical arm is provided with a pressure detection device and an angle detection device, and the safety of the whole device is improved. The novel hand exoskeleton rehabilitation device is portable, small in size, low in weight and high in cost performance, the application range of the device is widened, and the use burden on a patient is reduced. The novel hand exoskeleton rehabilitation device has important application value in the field of hand function recovery of stroke patients and high-strength continuous rehabilitation training.

The invention discloses a metering cabinet with a suspended bottom. The metering cabinet comprises a cabinet body. Both the front and the back of the cabinet body are provided with cabinet doors which can be opened and closed. The front of the cabinet body is provided with a first installation chamber and a second installation chamber. An inlet switch is installed in the first installation chamber. An outlet switch is installed in the second installation chamber. The first installation chamber and the second installation chamber are arranged up and down. The back of the cabinet body is provided with a third installation chamber. A meter is installed in the third installation chamber. The bottom of the cabinet body has a suspended area. A drainage system used for detecting the water level at the bottom of the cabinet body and draining water off the cabinet body is arranged in the suspended area. It is difficult for the components in the cabinet body to get flooded.

Invention discloses a medical equipment belt connecting structure. The medical equipment belt connecting structure comprises an equipment belt body. The equipment belt body comprises shells and channel cavities located in the shells. Channel cavities are formed in the equipment belt body in the mode of mutual buckling of the shells. The channel cavities include the weak-current channel cavity, the gas channel cavity and the strong-current channel cavity. A first partition plate is arranged between the weak-current channel cavity and the gas channel cavity. A third partition plate is arranged between the gas channel cavity and the strong-current channel cavity, and the weak-current channel cavity, the gas channel cavity and the strong-current channel cavity are separated through the first partition plate and the third partition plate. According to the medical equipment belt connecting structure, the weak-current channel cavity, the gas channel cavity and the strong-current channel cavity are separated and independent from one another through the partition plates, the structure is reasonable, safety accidents are not likely to happen, the safety grade of an equipment belt is improved, and meanwhile due to the fact that the three cavities are connected in a buckling mode, mounting and dismounting during maintenance are facilitated.

The invention discloses an electric iron. The electric iron comprises a machine body, a handle is fixed to the machine body, a button is slidingly connected to the handle, and a supporting frame is fixed to the end, away from the machine body, of the handle. A flattening plate is arranged on the supporting frame, one end of the flattening plate is fixed to the supporting frame, and the other end of the flattening plate abuts against clothes. A supporting plate is hinged to the flattening plate, a positioning mechanism is arranged between the supporting plate and the button, and by pressing thebutton, the supporting plate is driven to turn over along a hinge part through the positioning mechanism. The purpose that a safety accident is not easily caused is achieved.

The invention provides a rapid material conveying device based on industrial production, belongs to the technical field of material transporters, and aims to solve the problems that although a limiting block is arranged on an existing conveying device, a round rod and a limiting block on the transportation device are easily dislocated in the transportation process, then pole plates on the transportation device fall off, and thus the stability of the transportation device in the pole plate transportation process is reduced. The device comprises a frame, wherein four fastening mechanisms are arranged on the inner side of the frame in a front-and-back symmetry mode. When a worker forgets to fasten the fastening mechanisms, directional wheel cannot rotate at this time, then the worker finds the reason and realizes that the round rod is not fastened, and after a limiting buckle is connected with a first limiting sliding block in a clamped mode, the fastening mechanism is in a fastened state, so that the round rod can be effectively fastened, the pole plates on the transportation device cannot fall off, and the stability of the transportation device during pole plate transportation is improved.

A mixed carbonate heat transfer and heat storage working medium comprises the following molten salt components by mole fraction: 20%-40% of K2CO3, 23%-42% of Li2CO3, 30%-60% of Na2CO3, and 5.5-15% of CaCO3. The molten salt working medium has the advantages of high heat transfer coefficient, high working temperature, less corrosion, low vapor pressure, environmental-friendliness, good safety and the like.

The invention provides an installation device of a transformer for electric power engineering, and belongs to the technical field of transformers. The installation device of a transformer for electricpower engineering comprises a mounting box. The upper end of the mounting box is open. A buckling mechanism is arranged in the mounting box. A transformer is movably inserted into the mounting box. Asliding plate is slidably connected between the inner walls of the mounting box. Second sliding grooves are formed in the left and right ends of the mounting box. Second sliding blocks are slidably connected into the two second sliding grooves correspondingly. The ends, close to each other, of the two second sliding blocks are fixed to the left end and the right end of the sliding plate correspondingly, a plurality of first springs are fixed to the lower end of the sliding plate, the lower ends of the first springs are fixed to the lower inner wall of the mounting box, hinge shaft grooves areformed in the upper ends of the two second sliding blocks correspondingly, and a moving mechanism is arranged on the upper sides of the two second sliding blocks correspondingly. By means of the device, the transformer is convenient to install, stable in fixation and not prone to shaking, the transformer is not prone to falling off, and safety accidents are not prone to happening.

The invention discloses a mechanical clamp. The mechanical clamp comprises a base, a left clamp body and a right clamp body, wherein the left clamp body and the right clamp body are respectively put on left and right sides of the base; side plates are arranged at left and right end parts of the base 1, and are respectively provided with a push rod; and the push rod on the left side plate is connected to the left clamp body, and the push rod on the right side plate is connected to the right clamp body. According to the mechanical clamp, clamping holes are formed in the left and right clamp bodies and are used for clamping a workpiece; the push rods are arranged on the left and right clamp bodies, are pushed inward and pressed tightly by virtue of an externally connected machine, and are used for fixing the workpiece in the clamping hole. Compared with a traditional fastener locking assembly mode, the mechanical clamp has the advantages that the pressure-type fixing mode is firmer, and cannot easily cause safety accidents.

A polymer melt mixing tower, including a mixing tower and a stirring shaft, on the surface of the components in contact with the molten polymer in the mixer are provided with concave-convex anti-adhesion structures, which can realize the polymer melt in the spinning assembly The anti-adhesion effect in the concave-convex anti-adhesion mechanism is as follows: the concave-convex anti-adhesion structure includes a concave part and a convex part, and the convex part is set higher than the surface of the component, and the support between the points is used to reduce the height. The direct contact between the viscous polymer melt and the surface of the part, and the formation of a gas suspension under the action of the high-temperature and high-pressure melt, plays a self-separating anti-adhesion.