12 results about "Fixed ladder" patented technology

This utility model discloses a lifting platform, including a fixed ladder and a base. The fixed ladder is welded to the upper surface of the base, and a sliding ladder is slidably connected to the outside of the fixed ladder. Slide grooves are formed in the support rods on both sides of the sliding ladder, and sliding rods with sliding rollers are provided on both sides of the sliding ladder. A transmission mechanism is provided on both sides of the fixed ladder, and the transmission mechanism includes several guide wheels set on the slide grooves. A steel wire rope is placed in the grooves of the guide wheels. A lifting mechanism is provided on the upper surface of the base, located below the sliding ladder, with one end of the steel wire rope fixed to the lifting mechanism. This utility model, by setting up a lifting mechanism, allows the lifting platform to slide smoothly within the slide grooves using the sliding rollers on the slide rods. Combined with the steel wire rope and guide wheels in the transmission mechanism, and the lifting mechanism itself, this achieves smoother lifting and lowering of the work platform, making the lifting process smoother and more stable. It effectively avoids shaking and jamming, greatly improving work efficiency.

The utility model relates to a folding type pedal ladder, it includes fixed ladder, fixed block, movable ladder, special-shaped pin shaft and baffle, is fixed with fixed block respectively in the top rear side of two vertical rods of fixed ladder, has the foldable movable ladder through special-shaped pin shaft swing joint in the middle part of fixed ladder, is fixed with baffle respectively vertically in the both sides of the bottom of fixed ladder behind movable ladder, when movable ladder unfolds, the board surface of movable ladder and baffle abuts, is opened in the top of two vertical rods of fixed ladder along the left and right direction respectively and is passed through and has been connected the slot, two joint slots are opposite settings, when movable ladder is completely folded, the crosspiece of movable ladder is placed in the joint slot.

This utility model relates to the field of pressure vessel technology, specifically disclosing a mobile pressure vessel ladder, including a base with casters at the lower end and support studs on both sides. A support frame is located at the upper end of the base, with an inclined fixed ladder connected to one side of the support frame. A lifting platform is located above the support frame, with a vertical ladder connected to one end of the lifting platform. Lifting frames are connected to both sides of the vertical ladder, and the lifting frames slide against the support frame. The upper end of the lifting frames is connected to the bottom of the lifting platform, and the other end of the lifting platform is connected to a telescopic platform. In use, the telescopic platform rests on the maintenance platform on top of the pressure vessel. This utility model reduces the risk of equipment failure throughout its entire lifecycle, extends its safe service life, has extremely high utilization, and is convenient and flexible to use. Compared with existing technologies, this device reduces manufacturing and maintenance costs.

A vehicle-mounted telescopic ladder, relating to the field of telescopic ladder technology, includes components such as a fixed ladder, an extension ladder, and a wear-resistant sliding plate. The fixed ladder has two spaced-apart poles and multiple crossbars. The extension ladder has two C-shaped poles that movably fit over the fixed ladder poles, and also includes multiple crossbar assemblies. The wear-resistant sliding plate is installed at the four corners of the fixed ladder poles, with its surface and end face corresponding to the inner wall of the extension ladder poles. Positioning pin holes on the plate surface mate with through holes at the top of the extension ladder, used to install positioning pins to restrict relative movement. The fixed ladder pole has an upper limit seat and a first lower limit baffle. The extension ladder pole has a second lower limit baffle at its inner top. The extension ladder pole has feet with rubber pads. The fixed ladder has a hook at the top, and the extension ladder has an anti-slip pad at the bottom. This invention allows the fixed ladder and extension ladder to slide with zero gap, reducing noise and improving the user experience.

The utility model provides a kind of welding tool of ladder stand, comprising: multiple positioning plate are equipped and are all installed on bottom plate, a part of positioning plate is placed transversely, another part of positioning plate is placed longitudinally, the positioning plate of transverse placement is used to fixed the riser of ladder stand, the positioning plate of longitudinal placement is used to fixed the horizontal pipe of ladder stand;Support plate is installed on bottom plate and is used to fixed the L-shaped plate of ladder stand;Positioning plate and support plate mutually cooperate, form the working position for fixing each component of ladder stand.The utility model has the beneficial effects: through positioning plate and support plate, the fixing of riser and horizontal plate is completed and the L-shaped plate for fixing ladder stand is welded on ladder stand, simplifies the process of assembly, facilitates the welding of staff, and guarantees the stability of welding, improves welding quality.

The utility model discloses a kind of vehicle-mounted emergency box-type substations, belong to box-type substation technical field, it includes substation box, the substation box side is provided with fixed assembly, the substation box side is fixedly connected with guide rail, slidingly connected with moving frame on the guide rail.The utility model is provided with fixed assembly, it is convenient to vertically fix ladder, is stored in the substation box side, vertically stored ladder is firm and does not shake, when reaching emergency site, staff can quickly unlock fixed assembly, put down ladder and carry out operation, be provided with guide rail, moving frame, ladder, cylindrical rack, protective cover one, connecting block two, box door and transmission assembly, when moving frame drives ladder to slide on guide rail, cylindrical rack of moving frame side drives transmission assembly in protective cover one to work, so that the connecting shaft on protective cover one rotates, connecting shaft is opened by connecting block two with box door, without again operating box door alone, greatly save time and energy.

The utility model discloses a kind of house car elevators convenient to fold and store, belong to house car elevator technical field, it includes fixed seat, fixed hole is opened in the both sides of fixed seat, hollow column is connected on the fixed seat, driving motor is fixedly installed below the hollow column.The house car elevator convenient to fold and store, when using, make connecting sleeve rotate on fixed rod by pushing ladder stand, and make ladder stand below and connecting plate L shape end abut, when working, start driving motor to rotate screw rod, make internal thread column slide in hollow column and drive connecting plate, make ladder stand move up, to complete the lifting and carrying of luggage, and when storing, only need to rotate ladder stand, make ladder stand push and extrude insert block to move up through the inclined plane of insert block one side, so that ladder stand can be inserted into the U-shaped notch of insert block when insert block falls, to fix ladder stand, it is simple and quick to operate, can be quickly realized storage folding, reduce occupied space to avoid travel limit.

This utility model discloses a folding, flipping, quick-locking climbing ladder, including a fixed ladder, a rotating ladder, a rotating mechanism, and a locking mechanism. The rotating ladder is connected to the rotating mechanism, and the rotating ladder is equipped with a quick-locking mechanism that cooperates with the fixed ladder. The locking mechanism is installed on the wall, and when the rotating ladder is rotated to a predetermined position close to the wall, it can be locked by the locking mechanism. The bottom of the rotating ladder is equipped with telescopic support legs. In this solution, the side wall is installed with a folding and flipping structure, which realizes the function of unfolding when in use and folding when stored, meeting the needs of installation and use in narrow spaces and not affecting the maintenance passage. At the same time, this solution adopts a touch hook quick-locking mechanism, which realizes the function of quick-locking connection of the high and inaccessible position before the user climbs to the top, ensuring that the climbing ladder can be climbed.

The utility model relates to a kind of harvester folding ladder and harvester, and the harvester folding ladder includes fixed ladder split body, folding ladder split body and gas spring, the folding ladder split body is hinged with the lower half part side wall of fixed ladder split body by connecting rod assembly, one end of the gas spring is hinged with connecting rod assembly, the other end of the gas spring is hinged with the lower half part side wall of fixed ladder split body;When the folding ladder split body is in unfolded state, the gas spring is in compressed state, when the folding ladder split body is in folding state, the gas spring is in elongation state.The utility model's harvester folding ladder, by setting fixed ladder split body and folding ladder split body, folding ladder split body can be folded or unfolded relative to fixed ladder split body, can solve the problem that the pedal ladder is easily damaged by knocking in field.Fixing ladder split body is provided with gas spring, realizes the power-assisted function when pedal ladder folds, and folding locking function can also be realized, simple structure, need not to set additional locking mechanism.

The utility model discloses a kind of pipe material feeding devices, including rack, material taking mechanism and discharging mechanism, rack is spaced apart with two guide slopes, material taking passage is formed between two guide slopes;Material taking mechanism includes first driving part and two material taking frames, two material taking frames are respectively arranged in the two sides of material taking passage, first driving part is used to drive two material taking frames synchronous lifting in rack, material taking frame is used to receive pipe material;Discharging mechanism includes two groups of feeding assembly, two groups of feeding assembly are respectively arranged in the two sides of guide slope discharging end, feeding assembly includes fixed ladder plate, movable ladder plate and second driving part, fixed ladder plate and movable ladder plate are spaced apart with multiple inclined planes along vertical direction, pipe material can roll on inclined plane, second driving part is used to drive movable ladder plate lifting movement.The utility model's pipe material feeding device, can replace manual operation, realize the automatic feeding of pipe material.

This utility model relates to the field of construction platform technology, and in particular to a temporary working platform for offshore berthing platforms, comprising: a hanging plate located on the top surface of the berthing platform, the length of the hanging plate being no less than the width of the berthing platform, and the hanging plate being movable relative to the berthing platform; two hanging ladders symmetrically arranged at both ends of the hanging plate, extending downwards from the hanging plate; two suspended platforms respectively attached to the ends of the hanging ladders away from the hanging plate, extending towards the pile foundation; a lower working platform located below the berthing platform and fixedly connected to the pile foundation; and a fixed ladder fixed to the berthing platform and connected to the lower working platform. This temporary working platform avoids the cumbersome process of building scaffolding from the bottom, significantly reduces the amount of work, lowers the difficulty of operation, is more suitable for repairing damaged berthing platforms, and greatly improves work efficiency.