31results about How to "To prevent falling" patented technology

The invention discloses a power-off and anti-falling dual-function electric tower construction anti-falling device, and relates to the technical field of electric tower construction, the power-off and anti-falling dual-function electric tower construction anti-falling device comprises a circular barrel shell, a winding motor is installed on the rear side of the circular barrel shell, and a dual-function anti-falling assembly is arranged on the lower side of the circular barrel shell; a safety rope lubricating assembly is arranged on the lower side of the double-function anti-falling assembly, the double-function anti-falling assembly comprises a shell connected to the lower side of the circular barrel shell, and a bottom plate is installed at the bottom of the shell through bolts. According to the electric tower construction anti-falling device with the power-off and anti-falling dual functions, when a winding motor breaks down, an output shaft of the winding motor loses self-locking force to cause falling, and when a speed detection sensor detects that a safety rope falls rapidly, a strong electromagnet is powered off, so that an arc-shaped inner toothed plate is clamped on a gear to lock a winding roller, and the safety of the safety rope is ensured. Therefore, the anti-falling function is achieved, the anti-falling function can be achieved no matter when power is cut off or the winding motor breaks down, and safety is greatly improved.

The invention relates to a guide rail for a climbing frame. The guide rail comprises a hollow guide rail body, a first guide wheel groove and a second guide wheel groove are formed in the left side wall and the right side wall of the hollow guide rail body in a mirror symmetry mode, and the hollow guide rail body with the first guide wheel groove and the second guide wheel groove is integrally formed in an extrusion mode. According to the guide rail for the climbing frame, the hollow guide rail body with the first guide wheel groove and the second guide wheel groove are integrally formed in anextrusion mode, no welding procedure is needed, the possibility of welding failure is eradicated, and therefore the safety of the guide rail is improved; and the guide rail for the climbing frame, which is light in weight can be manufactured only through a simple manufacturing method.

The invention discloses a wall-attached support for building construction with a fall prevention mechanism, which comprises a vertical plate, a support body is fixedly connected to one side of the lower part of the vertical plate, and the two ends of the connecting rod are respectively fixed and installed on the support by locking nuts. In the T-shaped notch of the body; the inner ring of the supporting bearing is fixedly inserted with a fixed shaft, and the outer circumference of the rotating disc is fixedly connected with supporting teeth, and the upper part of the supporting teeth is provided with an arc-shaped supporting port; the inner ring groove is fixed. It is connected with arc-shaped ratchet teeth, one side surface of the sleeve is fixedly connected with an anti-reversal ratchet pawl that cooperates with the arc-shaped ratchet teeth, and a return spring is set on the hexagonal prism support rod; Connect them together, and add multiple sets of anti-falling mechanisms at any position in between, which improves safety, and changes the local stress of the wall-attached support, reducing local overload; no leakage point protection; and the connecting rod of the present invention The installation and disassembly are simple, which can reduce the arrangement density of the wall-attached supports and reduce the cost.

The invention discloses a locating and falling preventing device for a moving smoke cover of a rotary furnace. The locating and falling preventing device is composed of multiple connecting units for connecting the moving smoke cover of the rotary furnace with a smoke cover fixing beam. Each connecting unit comprises a fixed part and a moving part. The tops of the fixed parts are installed on the smoke cover fixing beam through a girder fixing base. The bottoms of the moving parts are installed around the moving smoke cover through a smoke cover fixing base. The fixed parts and the moving partsare installed in a guiding manner through sliding pairs. The smoke cover fixing base is provided with chains for hoisting. The chains for hoisting are connected with a hoisting device arranged on thesmoke cover fixing beam. The device further has double falling preventing functions on the basis of guiding, the function of a set square and a guide groove is utilized, guiding is more stable, the falling preventing function can also be achieved, and the chains in a moving casing pipe and a fixed casing pipe can have a secondary falling preventing function. After the device is installed on the moving smoke cover, the fault rate is reduced obviously, and meanwhile the service life of the moving smoke cover is prolonged.

The invention discloses a gypsum board suspended ceiling lifting device for indoor decoration in the technical field of suspended ceiling decoration. The device comprises a base, U-shaped plates are welded to the left and right sides of the top of the base, telescopic plates are movably inserted into the U-shaped plates, a winding machine is mounted at the top of a mounting plate, and a suspendedceiling lifting device is mounted between the two groups of U-shaped plates. In the ascending process of the gypsum board ceiling, the right end of the movable rod piece is driven to descend and leavethe anti-falling inserting holes, the spring is in a compressed state at the moment, meanwhile, the transmission rack can slide in the sliding groove to limit movement of the transmission rack, and when the movable rod piece ascends to the position of the upper set of anti-falling inserting holes along with the shell, the anti-falling inserting holes are opened. When the shell descends, the rightend of the movable rod piece is located in the anti-falling inserting hole, the left end of the movable rod piece is clamped in the open groove, the anti-falling effect is achieved, after lifting iscompleted, the movable rod piece needs to be pulled by means of a rope to be separated from the anti-falling inserting hole, the shell can descend, and the stability in the lifting project can be kept.

The invention discloses a vehicle fall prevention mechanism in a three-dimensional lifting tower storehouse, which comprises a first bracket and a second bracket, the first bracket and the second bracket are arranged in parallel, and the top of the first bracket is welded with a first lifting The top of the second bracket is welded with a second lift slot bar, and a support frame and a support plate are clamped between the inner sides of the first lift slot bar and the second lift slot bar, and the support frame and the support The plates are arranged in opposite directions, one side of the first lift slot rod and the second lift slot rod are welded with a protective frame, and the other side of the first lift slot rod and the second lift slot rod are welded with a second A mounting piece, and a hydraulic pull rod is clamped on the inner side of the first mounting piece, and a bottom protection piece is connected between the first bracket and the second bracket. The present invention as a whole can be erected under the upper position of the three-dimensional lifting tower storehouse to prevent falling, and at the same time, it can protect the vehicles on the lower level, has a strong supporting effect, and is easy to use.

The invention discloses a regulating stem type anti-falling device for human body to climb up and down an electric pole, which is provided with a wiring sleeve. The anti-falling device comprises a regulating stem, a self-locking hook, a safety rope, the wiring sleeve and a connector, wherein the upper end of the regulating stem is fixed with the connector; the lower end of the connector is provided with a connecting hole or a U-shaped ring and the upper end of the connector is provided with a U-shaped ring or a connecting hole; two arms of the U-shaped ring are provided with bolt fastening holes; bolts are detachably locked into the bolt fastening holes; the safety rope is fixed on the lower end of the connector; the wiring sleeve is fixed on the upper end of the connector; the self-locking hook is locked on the safety rope; and a fixed ring of the self-locking hook is connected with a short safety rope the other end of which is connected with a front hanging point of a whole-body safety belt. The regulating stem type anti-falling device is carried and used by workers without any device in advance on the electric pole, has no influence on the structure of an electric pole body, has the characteristics of convenient storage, maintenance and carrying, easy use, simple maintenance, low cost and high safety, can be put into application in large scale, has low investment and quickly obtained benefit, and improves the work efficiency.

The invention discloses a gypsum board ceiling lifting device for indoor decoration in the technical field of ceiling decoration, which includes a base, U-shaped plates are welded on the left and right sides of the top of the base, and telescopic plates are movably inserted in the U-shaped plate. A winder is installed on the top of the mounting plate, and a ceiling lifting device is installed between the two sets of U-shaped plates. During the rising process of the gypsum board ceiling, the right end of the movable rod is driven down and leaves the anti-fall jack. , the spring is in a compressed state at this time. At the same time, the transmission rack will slide in the chute to limit the movement of the transmission rack. The movable rod is inserted into the anti-fall socket, and when the shell is lowered, the right end of the movable rod is in the anti-fall socket, and the left end is stuck on the slot to prevent falling. After the lifting is completed, the movable rod needs to be pulled by the rope Only when the parts leave the anti-drop socket can the shell be lowered, which can maintain the stability in the lifting project.

The invention discloses a safety fall-preventing composite mechanism used for an inspection well. A through hole used for water circulating is formed in a well lid; a fall-preventing screen board comprises a positioning barrel, a plurality of radiant ribs and a plurality of reinforcing ribs, which are distributed in the shape of a spider web by taking the positioning barrel as a center, wherein the axial two end openings of an outer sleeve of a buffer mechanism are sealed by sealing plates; an inner sleeve penetrates through the sealing plates at the axial two end openings of the outer sleeveto be sleeved in the outer sleeve; a plurality of first through holes are formed in the sealing plate at the axial bottom end of the outer sleeve; a plurality of curved blade type strip-shaped shellswhich are distributed in the form of a turbine are arranged on the surface of the sealing plate at the axial top end of the outer sleeve in a convex mode; a plurality of liquid distributing holes areuniformly formed in the same side wall of a housing; the outer wall of one axial end of a central tube is rotatably connected with the inner wall of the inner sleeve through a bearing, and the other axial end of the central tube is movably connected with the positioning barrel; and a plurality of second through holes are formed in the side wall of the central tube. The safety fall-preventing composite mechanism is beneficial for effectively dispersing and weakening strong water flow impact force generated by return overflow, and is beneficial for preventing the well lid from being jacked to lose to cause casualties; and the fall-preventing screen board is stable and safe in structure.

The invention discloses an anti-falling safety well lid assembly. A through hole used for water flowing is opened on the well lid; an anti-falling screen plate comprises a positioning barrel, a plurality of radiating ribs and a plurality of reinforcing ribs, wherein a plurality of radiating ribs and a plurality of reinforcing ribs are arranged in a spider web centering on the positioning barrel; two axial ends of the outer sleeve of the buffering mechanism are sealed by a sealing plate, the inner sleeve penetrates through the sealing plate at two axial ends of the outer sleeve and is sleeved in the outer sleeve; a plurality of first through holes are opened on the axial bottom end sealing plate of the outer sleeve; a plurality of leaf bending type strip-shaped shells are convexly arrangedon the surface of the axial top end sealing plate of the outer sleeve and are arranged in a turbine shape, and a plurality of liquid distribution holes are opened on the same side walls of the shells;the outer wall of one axial end of the center pipe is rotationally connected with the inner wall of the inner sleeve by a bearing and the other axial end is movably connected with the positioning barrel; and a plurality of second through holes are opened on the side wall of the center pipe. According to the anti-falling safety well lid assembly, the strong water flow impact force generated by overflow can be effectively dispersed and reduced, and casualties and vehicle damage since the well lid is jacked up and lost are avoided.

The present invention proposes a one-time wall-attached jacking mechanism and method. By setting a motor and a screw nut mechanism, through the transmission of the screw nut mechanism, the driving platform and the track column are alternately lifted, and the first hook and the first hanging rod are matched. , as well as the design of the second hook and the second hanging rod, one floor can be lifted at a time without setting a reversing device, which is more efficient, and with the sprocket drive, the transmission efficiency is higher; the track composed of a circular tube and a flange plate is set The column has simple structure, convenient processing and lower cost; the track column with circular tube structure is not convenient to punch holes on the surface, and the hook design is adopted in turn, and the chute design on the attached wall seat can be used for avoidance treatment. To prevent falling; the two telescopic support legs on the driving platform can support the force when the track column is lifted, and at the same time push the limit slider away from the track column to reduce the friction between the two.

The invention provides a high-level vertical lift park comprising an H-shaped lifting table, a falling preventing mechanism and a parking and placing shed; spur racks are respectively fixed at the inner sides of four upright posts; the H-shaped lifting table is provided with gears meshed with the spur racks; the H-shaped lifting table is draught by an electrometer and a chain wheel on the H-shaped lifting table to lift along the four upright posts; the middles of the left upright post and the right upright post in the four upright posts are respectively provided with two placing shed upright posts; a plurality of layers of placing sheds are arranged from bottom to top along the placing shed upright posts; each layer of placing shed is formed by fixing a plurality of parallel and equidistant steel tubes on the transoms of the placing shed upright posts; the H-shaped lifting table goes up and down in the middles of the left placing shed and the right placing shed; and parking and fetching are performed on the placing sheds. The high level vertical lift park changes the original lifting way and the original parking and fetching way, achieves the aims of security, high speed, accuratelocation, convenient maintenance and long service life, enables parking and fetching to be finished in one step and shortens 50 percent of time than the original parking and fetching way.