39results about How to "Avoiding the danger of falling" patented technology

The invention provides a steel wire rope overload automatic falling-off lifting sling. The situation that when heavy objects exceed the load carrying capacity of the steel wire rope, the lifting slingcan automatically make the heavy objects be separated is better achieved, and the risk that the heavy objects fall after being lifted is avoided. According to the technical scheme, the steel wire rope overload automatic falling-off lifting sling comprises a clamping device, and the clamping device is composed of two clamping blocks; each clamping block comprises a semicircular arc-shaped block, and horizontal plate clamping devices are connected to the exterior of each clamping block; a first connecting rod and a first pin shaft are arranged below each horizontal plate clamping device, the first connecting rods are arranged on the first pin shafts in a sleeving mode, a strong spring is connected between each first connecting rod and a corresponding baffle, and a supporting frame is internally provided with a limiting step; a second pin shaft is arranged below each clamping device, a sliding block is attached to the inner side of each baffle, and a second connecting rod is hinged to the inner side of each sliding block; transverse through grooves are formed in a bottom plate, and the sliding blocks are located above the transverse through grooves; and adjusting screw rods are fixedto the two sides of a supporting frame, and the end, placed in the supporting frame, of each adjusting screw rod is in threaded connection with a vertical plate. The steel wire rope overload automatic falling-off lifting sling is novel in conception and ingenious in structure.

The invention provides a crawling device for sealant filling for gaps among ceramic tiles of a wall body, and an operation method. The crawling device for sealant filling for the gaps among the ceramic tiles of the wall body comprises a vehicle plate, wherein a sealant spray mechanism used for storing and uniformly extruding a sealant is installed at the top of the vehicle plate, and crawling mechanisms used for driving the whole device to realize forward movement, backward movement, left movement and right movement are installed at the front end and the rear end of the bottom of the vehicle plate; a vacuum mechanism used for being adsorbed and connected with the surfaces of the ceramic tiles are installed at the tail end of each crawling mechanism; and travelling cooperation mechanisms are symmetrically installed on the parts of the two sides of the middle of the vehicle plate, and each travelling cooperation mechanism is also provided with a vacuum mechanism. The position of a sealant guide pipe is adjusted by virtue of a distance sensor, and then the position of a nozzle is changed, so that the sealant is accurately sprayed into the gaps of the ceramic tiles; and meanwhile, a vehicle body linearly moves forwards through the crawling mechanisms, so that a spray effect on the gaps is achieved.

The invention relates to the technical field of public facilities, in particular to an integrated type anti-setting anti-falling well lid and an unlocking device thereof. The integrated type anti-setting anti-falling well lid comprises a lid body and a base which are rotatably connected; a plug pin lock is arranged on the inner side of the lid body, a boss is arranged on the base, an inner lid isarranged on the base, the outer ring of the inner lid and the boss are fixed in an abutting manner. The unlocking device of the well lid is used for unlocking the plug pin lock in the well lid, and comprises a supporting rod, an unlocking piece rotatably connected to the bottom of the supporting rod, and a rotating rod arranged on the upper portion of the supporting rod; the supporting rod is hollow, a push rod is inserted in an upper opening of the supporting rod, the push rod is pressed downwards to enable the unlocking piece to rotate. According to the integrated type anti-setting anti-falling well lid and the unlocking device thereof, the structure is simple, and the effective anti-theft aim is achieved.

The invention discloses a pedestal pan ring capable of automatic lifting, which is characterized in that the pedestal pan ring can lift automatically through a lifting platform. The lifting power supply is provided by a motor, a driving gear of the output end of the motor is a worm, and a driven gear engaged with the driving gear is a turbine; an eccentric cylindrical sliding block is fixedly arranged at the side wall of the turbine and extends into a slideway of a swinging rod, the front end of the swinging rod is pinned on one side of a shaft arranged at the upper front end of a stand, and the swinging rod is also symmetrically arranged at the opposite side of the shaft and pinned on the other side of the shaft; back ends of two swinging rods are both provided with symmetrical slideways, two cylindrical sliding blocks are respectively arranged upside and downside two sides of the lifting platform integrated with the pedestal pan ring into a whole, and the lower cylindrical sliding block extends into the slideway; the upper and the lower cylindrical sliding blocks at two sides are arranged in the slideway at the back of the stand and perpendicular to the stand in a penetrating way; and an upper travel switch and a lower travel switch are arranged between the areas where the swinging rods move on the stand. After defecation, the motor is started and then the pedestal pan ring can be lifted slowly, therefore, the difficulties of pins and needles and standing up caused by compression of leg nervus vascularis are quickly relieved and orthostatic hypotension dizziness is prevented.

The invention discloses a house ceiling mounting structure and relates to the technical field of ceiling mounting. The house ceiling mounting structure comprises base columns, hanging parts, main keels and auxiliary keels. Two threaded holes are formed in one surface of each base column and are each of a blind opening structure; each hanging part comprises a hanging column and a reinforcing sleeve, the cross section of each hanging column is of an inverted trapezoidal structure, a threaded rod is fixed to one end of each hanging column, the threaded rods and the threaded holes are in threadedfit, and a U-shaped clamping plate is fixed to the other end of each hanging column; and each reinforcing sleeve is of a conical sleeve structure, the reinforcing sleeves are connected to the outer surfaces of the hanging columns in a sleeving mode, and a flange ring is fixed to one end of each reinforcing sleeve. According to the house ceiling structure, through clearance fit of the U-shaped clamping plates and the main keels, the main keels are positioned and lifted; the auxiliary keels are supported through supporting blocks of the U-shaped structures on one sides of the main keels, and theangles of the auxiliary keels are conveniently adjusted through arc surface structures on the supporting blocks, so that the forced applied by workers is reduced during mounting; and the positioningeffect is good, and the problem that during mounting, the height is excessively large, force applying of the workers is unbalanced, and consequently the workers fall is solved.

The invention provides a friction type overload automatic disengaging sling. The danger that the heavy object falls after being hoisted is avoided. According to the solved technical scheme, the friction type overload automatic disengaging sling comprises a supporting frame, and a clamping device is arranged at the upper portion in the supporting frame and is composed of two clamping blocks. Each clamping block comprises an arc block, wherein the outer circle of the arc block is connected with a horizontal plate, a first connecting rod and a first pin shaft are arranged below the horizontal plate, the first connecting rod is arranged on the first pin shaft in a sleeving manner through a sliding groove, a baffle is arranged on the outer side of the first connecting rod, a strong spring is connected between the first connecting rod and the baffle, the upper end of the first connecting rod is hinged to the horizontal plate, and a limiting step is arranged in the supporting frame. A U-shaped frame is arranged under the clamping device and comprises a left vertical plate and a right vertical plate, a tension spring is connected between the inner side walls of the two baffles, and the friction force to the U-shaped frame from the left baffle and the right baffle under the action of the tension spring is larger than the gravity of the U-shaped frame, and adjusting screws are fixed to the left side and the right side of the supporting frame correspondingly. The friction type overload automatic disengaging sling is ingenious in concept and safe in usage.

The invention provides a portable walking-replacing machine which comprises a walking-replacing box, a folding chair, a folding plate, and a folding plate steering connecting end arranged at the lower end of the back surface of the walking-replacing machine, wherein the inner part of the box is divided into two function layers which are isolated up and down, the upper function layer is provided with a box body storage space and a battery bin, the lower function layer is provided with a power mechanism bin and is connected with an active wheel, the folding plate is connected with and rotates around the folding plate steering connecting end, a movable structure capable of regulating the total length of the folding plate is provided, the foldable chair structure is arranged in front of the walking-replacing machine box, sliding lifting frames moving up and down are arranged on the circumference around the lower end of the walking-replacing machine box, the left side and the right side ofthe walking-replacing machine box, close to the sliding lifting frame in the front, are provided with start wheels, and the sliding lifting frame close to the back is internally provided with an overturning frame. The portable walking-replacing machine combines functions of a suitcase, a folding chair and an electric scooter, and has the advantages of small occupation space of all conversion structures, simpleness in conversion, and convenience for carrying because the portable walking-replacing machine looks like the suitcase after completed folded.

The safety protection equipment applied to steel production comprises a production chamber, a conveying mechanism is arranged on one side of the production chamber, a cooling mechanism is arranged below the conveying mechanism, a blow-drying mechanism is arranged at one end of the top of the conveying mechanism, protection mechanisms are arranged on the two sides of the conveying mechanism, and each protection mechanism comprises a protection chamber. A protection groove is formed in one side of the protection chamber, a limiting plate is slidably connected to the inner side wall of the protection chamber, a protection plate is arranged on one side of the limiting plate, two protection rods which are arranged in a crossed mode are arranged between the two ends of the limiting plate and the two ends of the protection plate, fixing bases are hinged to the two ends of one protection rod, and sliding bases are hinged to the two ends of the other protection rod. The problems that in an existing patent, an operator is protected only by arranging a baffle, the temperature of produced steel is very high, the operator is possibly injured, a safe working area cannot be defined, and the operator is likely to sluggish and neglect production safety are solved.

The invention provides a crawling device and an operation method for filling gaps between wall tiles with a beautifying agent, which includes a car board, and a spray mechanism for storing and uniformly extruding the beautifying agent is installed on the top of the car board, The front and rear ends of the bottom of the car plate are equipped with a crawling mechanism for driving the entire device to move forward, backward, left and right; the end of the crawling mechanism is equipped with a vacuum mechanism for adsorption and connection with the tile surface; The two sides in the middle of the vehicle plate are symmetrically equipped with a walking coordination mechanism, and the walking coordination mechanism is also equipped with a vacuum mechanism. Use the distance sensor to adjust the position of the agent tube, thereby changing the position of the nozzle, so that the beautifying agent can be accurately sprayed into the gaps of the tiles; at the same time, the car body advances in a straight line through the crawling mechanism to achieve the spraying effect on the gaps.

The invention relates to an electrical equipment lifting transportation vehicle, and belongs to the technical field of electric power maintenance equipment. The electrical equipment lifting transportation vehicle comprises a vehicle body pulled by a pulling unit, wherein the vehicle body comprises a support, telescoping mechanisms, crawling ladders arranged on two sides of the support, and walkingwheels arranged at the lower ends of the crawling ladders; the support is connected with the crawling ladders through the telescoping mechanisms and has the freedom degree of lifting; rotary rings hinged with the support through a rotary shaft, and a group of holding cabinets with the end parts being hinged with the rotary rings are arranged on the support; pick-and-place ports with cabinet doorsare formed in the side walls of the holding cabinets; the pick-and-place port of the holding cabinet located at the highest part is higher than the top end of the support; the pick-and-place port ofthe holding cabinet located at the lowest part is lower than the bottom end of the support; guiding and sliding chutes parallel to the axes of the rotary rings are arranged on the bottom plates of theholding cabinets; and guiding and sliding plates in sliding fit with the guiding and sliding chutes are arranged in the holding cabinets. The working personnel controls the rotary rings to rotate soas to lift electrical equipment, so that the time and the labor are saved, the occurrence of the falling accident is effectively avoided, and the electrical equipment lifting transportation vehicle issafe and reliable.

The invention discloses a container packing system suitable for small goods. The container packing system suitable for small goods comprises a first transmission chain, a second transmission chain and a third transmission chain, wherein the three transmission chains are all belt transmission devices, both the first transmission chain and the second transmission chain are hinged together through a fourth connecting plate, and the second transmission chain and the third transmission chain are hinged together through a fifth connecting plate; a first hydraulic cylinder and a second hydraulic cylinder which are connected in a hinged mode are arranged on the fourth connecting plate and the fifth connecting plate correspondingly; movable trundles are arranged at the bottoms of the first hydraulic cylinder and the second hydraulic cylinder and on the portions, close to the free ends of the outer sides, of the bottoms of the first transmission chain and the third transmission chain correspondingly; and the first hydraulic cylinder and the second hydraulic cylinder are controlled to rise and fall through electromagnetic valve driving, and thus the first transmission chain, the second transmission chain and the third transmission chain can adapt to deformation with different heights and lengths. The container packing system can adapt to conveying and adjustment of goods by different distances and can also adapt to conveying and adjustment of goods at different altitudes, and requirements of various goods in containers are met to the maximum extent.

The invention discloses a window with a good dustproof effect, and relates to the technical field of furniture doors and windows. The window with the good dustproof effect comprises a fixed fan and adisc, the disc is placed on one side of the fixed fan, a rotary shaft is rotatably connected to one side of the top of the disc, an open fan is arranged on the outer surface of the rotary shaft, the open fan comprises an external window and an internal window, one sides of the external window and the internal window sleeve the outer surface of the rotary shaft, and a movable box is fixedly connected to the top of the back surface of the external window. The window with the good dustproof effect can well clean the surface, located outdoor, of the external window, the cleaning of the surface, located outdoor, of the external window is very convenient, time is shortened and labor is saved, the cleaning efficiency is greatly improved, the stability of reducing the window installation is reduced due to the fact that the windows are not required to be switched by a worker, operation on an external wall is not required by the worker, so that the danger of falling caused by external window cleaning is avoided, and the practicability of the dustproof window is greatly improved.