1204results about "Ladders" patented technology

A stowable tailgate step assembly system comprises a frame with two interconnected frame arms adapted to be mounted longitudinally in a vehicle tailgate. A slide module, releasably latched to the frame, comprises two longitudinal carrier arms which translate in relation to the frame arms, and a step assembly. The step assembly comprises two slide arms which translate in relation to the carrier arms, and a first step and at least one additional step pivotally connected by at least one link rod to facilitate synchronous rotation of the steps. Control means to control rotation of the steps during translation of the carrier arms from a stowed position to an extended position are provided. Deployment means to control rotation of the steps between the extended position and a deployed position are also provided. A lock-out latch rotationally connected to at least one carrier arm engages at least one associated frame arm to prevent translation of the carrier arm in relation to the associated frame arm when the step assembly is in the extended position.

Attic stairs include box, closing hatch for the box and ladder. The ladder is suspended in box using at least one flat bar attached to support beam seated in an upper section of the ladder. The support beam is a profile and each end of the profile has end cap with locking pin locking it in support beam.

Ladders and ladder accessories for articulating ladders are mountable to an upper rung of the ladder and can remain attached to the upper rung while the ladder articulates between collapsed, straight, and step ladder configurations without binding or engaging other rungs. The accessories can be top caps configured to hold tools and parts while the user climbs and stands on the ladder. The accessories can be removed from the ladder without damage to the accessory or the ladder, thereby enabling retrofitting ladders with the accessory or moving the accessory to different rungs or positions on the same ladder. Some accessories can have more than one body portion, and a portion can therefore pivot relative to another portion to enlarge the working platform offered by the accessory and to provide additional surfaces for temporarily supporting the accessory parts on the ladder rungs.

An improved adjustable hinge for a multi-position ladder that is positionable in a variety of configurations while being ergonomic to adjust and which is structurally sound, rigid, and easy to adjust, light in weight, and has a long service life. The mating surfaces of the outer hinge plates, inner hinge plates, and inner hinge center spacer are large, contributing to overall hinge rigidity and stability. The size of the lock button and lock bracket are each relatively large, making them ergonomic to operate, while also being large enough to be operable by a gloved human hand. A method of assembling an improved adjustable hinge for a multi-position ladder that is positionable in a variety of configurations.

A platform assembly is provided with at least one foldable and deployable handle. The handle can be operated to a storage position lying between upper and lower surfaces of the upper platform of the assembly. When deployed, the handle can provide a handhold, top cap, and other features to users who are on the upper platform or who are climbing onto the upper platform. Leg assemblies of the platform can be operable between folded and deployed states, and feet of the leg assemblies can be deployed to widen the stance of the platform or folded to reduce the overall width and volumetric envelope within which the platform resides.

A work platform includes a plank which telescopes to a desired width. The work platform includes a first leg assembly rotatably attached adjacent to a first end of the plank. The work platform includes a second leg assembly rotatably attached adjacent to a second end of the plank. The work platform includes a first linkage attached to a first leg of the first leg assembly. The first linkage may be a first hook or a first strap assembly for securing the work platform to a first support structure. A method for using a work platform. A method for producing a work platform.

In some embodiments, containers, bags, and systems are provided that are useful to organize tools and other items. A tool bag may include a container body including one or more woven panels, a bottom rigid member, and a rigid wall hingedly connected to the bottom rigid member, and an engagement mechanism attached to the rigid wall. The engagement mechanism may include a base panel riveted on the rigid wall, and one or more protrusions extending from the base panel. In some aspects, the one or more protrusions are configured to engage with one or more holder slots on a ladder top.

A composite board has a vacuum molded surface plate (12) and a bottom plate (13). Edges of the surface plate (12) and the bottom plate (13) are fixed into one piece by thermoplastic fixation, and a top wall of each supporting protrusion (135) and a body of the surface plate (12) are fixed into one piece by thermoplastic fixation. The composite board is formed by superimposing at least two layers of boards. A method for manufacturing the composite board provides process guidance for manufacturing the composite board.

A climbing aid for climbing to an elevated vantage point while hunting. The climbing aid includes multiple units that can be fastened and unfastened from each other, wherein each unit forms a step of the climbing aid. Each unit includes a webbing of a tubular and an elongated geometry. The webbing has a proximal end and a distal end. A hollow tube slidably positioned at about the middle of the webbing, the tube has a proximal end and a distal end. A right link is positioned adjacent to the proximal end of the hollow tube. A left link is positioned adjacent to the distal end of the hollow tube. A right webbing slider is positioned between the right link and the proximal end of the webbing. A left webbing slider is positioned between the left link and the distal end of the webbing.

The invention discloses a portable climbing ladder with gravity center monitoring and anti-skid early warning functions, and belongs to the technical field of electric power climbing operation safety equipment, the portable climbing ladder comprises a ladder body assembly, the ladder body assembly is provided with a sensor array used for monitoring the inclination angle, supporting leg pressure distribution, ground friction coefficient and environmental parameters of the climbing ladder in real time; the processing unit is connected with the sensor array and used for calculating the gravity center offset, the stability coefficient and the slip risk level according to the sensor data; the early warning device is connected with the processing unit and is used for sending out an early warning signal when the stability coefficient is lower than a safety threshold value or the slip risk level exceeds a critical value; and the self-adaptive adjusting mechanism is connected with the processing unit and is used for automatically adjusting the supporting parameters of the climbing ladder according to the stability coefficient. According to the invention, through multi-sensor fusion, the safety guarantee of the climbing ladder is improved from passive protection to active early warning, and a user can visually and comprehensively obtain the safety state information of the ladder.

A climbing stick system may include a first climbing stick and a second climbing stick: The first climbing stick is stackable on the second climbing stick in an axially offset relationship to the second climbing stick. When stacked, the post of the second climbing stick is received within an open sided channel of the first climbing stick, wherein a compressible layer is compressed between the post of the second climbing stick and the open sided channel of the first climbing stick.

A tool tray configured for engaging either a step of a stepladder or a guardrail of a scaffold or a nacelle. The tool tray defines a step receiving recess opening downwardly and configured for receiving the step and a pair of guardrail engaging hooks opening downwardly, protruding laterally outwardly relative to the tray and configured for engaging the guardrail. A resiliently deformable step engaging hook is provided between the guardrail engaging hooks.

The utility model relates to a child heightening stool convenient to store, which comprises two side plates, a support plate connected between the side plates, a folding component with two auxiliary support legs and a limit device arranged between the side plates and the folding component, the folding component can be rotatably connected with the side plates, the auxiliary support legs can be completely overlapped on the inner sides or the outer sides of the side plates, and the limit device is arranged between the side plates and the folding component. Therefore, the occupied volume is obviously reduced, and the portable bathroom cabinet can be conveniently and vertically stored in a narrow bathroom space or put into a travelling bag, so that the problems of space occupation contradiction and portability deficiency in the prior art are solved; a plurality of supporting plates which are spaced up and down are arranged on the side plates, so that a plurality of step-shaped treading surfaces can be formed, and children with different heights and the heights of the closestool can be conveniently adapted; besides, by arranging an ingenious limiting device, the folding assembly can be firmly locked on the side plate in the unfolded state without additionally arranging parts, the folding assembly and the side plate can jointly form a stable plane supporting structure, the stability of the child when the child stands is ensured, and the rollover risk is reduced.

A ladder carrying assembly includes a flexible panel, a handle, and a shoulder pad. The flexible panel is designed to be wrapped around and detachably connected to a portion of a side rail of a ladder between adjacent rungs. The handle is connected to the flexible panel and designed to be positioned at an outer surface of a side rail of a ladder to permit manual carrying of a ladder. The shoulder pad is designed to be positioned at an inner surface of a side rail of a ladder to permit carrying on a shoulder of a user.

The utility model discloses an extension ladder fixing frame of a fire fighting truck, and belongs to the field of fire fighting, the fixing frame comprises a fixing plate arranged on a fire fighting truck body and a fixing assembly used for fixing an extension ladder on the fixing plate; a turnover mechanism is arranged on the fire fighting truck body; the turnover mechanism comprises hinged plates which are symmetrically and fixedly connected to the side of the lower end of the fixed plate, fixed seats which are symmetrically arranged on the two sides of the hinged plates and are fixedly connected to the side of the upper end of the fire fighting truck body, synchronous rods which are fixedly inserted into the two hinged plates and are rotatably connected to the fixed seats, and a driving motor which is fixedly mounted on the fire fighting truck body; the output end of the driving motor is fixedly connected with a shaft rod of the synchronous rod. Through the design of the turnover mechanism, the fixing plate horizontally placed at the top of the fire fighting truck body can be turned over to the side face of the truck body and is in a vertical state, so that the height of the extension ladder is reduced from the roof position to the height which a firefighter can stand, the firefighter is prevented from climbing the roof, and the taking and placing efficiency of the extension ladder is remarkably improved.

The protection structure comprises a main body and a shielding assembly, a first air inlet is formed in the top wall of the main body, the shielding assembly comprises a cover plate and a supporting piece, the cover plate is supported above the top wall through the supporting piece and is provided with a second air inlet staggered with the first air inlet, and the first air inlet is communicated with the second air inlet. And a drainage mechanism is further arranged on the main body, specifically, a drainage ditch surrounding the periphery of the first air inlet is arranged, falling rainwater is shielded by the cover plate, rainwater falling from the second air inlet is collected into the drainage ditch on the upper side of the top wall to be drained, it is avoided that the rainwater falls into the well through the first air inlet, and the rainproof effect of protecting equipment in the well is achieved.

An electrified fire fighting vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis rearward of the cab, an aerial ladder, an energy storage system positioned between the cab and the body, and a ladder support. The energy storage system includes a rack and a battery pack. The rack is coupled to and extends upward from the chassis. The rack defines an interior chamber. The battery pack is positioned within the interior chamber. The ladder support is positioned above the rack. The ladder support is configured to engage with the aerial ladder when the aerial ladder is in a stowed orientation.

A foldable boarding ladder handrail device for a vehicle comprises a mounting support unit which is composed of a plurality of mounting support single bodies fixed to boarding ladder side plates, and at least one mounting support single body is provided with a plug pin hole; the vertical pipe unit comprises a plurality of vertical pipe single bodies, one end of each vertical pipe single body is rotationally connected with the mounting support single body, and at least one vertical pipe single body is provided with a limiting hole and a locking bolt; the handrail pipe is rotationally connected to the multiple vertical pipe single bodies; in the folding state, the vertical pipe single bodies and the handrail pipes are folded on the ladder side plates; during unfolding, the stand pipe single bodies are overturned upwards, and the locking bolts are inserted into the bolt holes and the limiting holes to achieve fixation. The foldable ladder handrail has the advantages that the problems that a traditional foldable ladder handrail is large in occupied space, insufficient in stability and the like are solved through combination of modular connecting rod arrangement and key locking and buffering structures, rapid folding storage and stable unfolding supporting are achieved, the structure is compact, operation is easy and convenient, and the foldable ladder handrail is suitable for special vehicle ladder climbing scenes; the space is effectively saved; and the operation safety is improved.

The utility model discloses a crawling ladder type low-altitude unmanned control tower integrally designed with a lifting type lamp panel system, the control tower comprises a tower column, the lifting type lamp panel system, lifting type maintenance platforms and a multi-section vertical crawling ladder matched with a lifting device are arranged on the tower column, so that maintenance personnel can conveniently reach each maintenance platform to maintain the control tower; two equipment mounting platforms are arranged below the maintenance platform at the top of the tower column, and an unmanned aerial vehicle detection radar, an adversarial radar, a high-power bird repelling system, a detection monitoring radar, an unmanned aerial vehicle positioning system, an aviation obstruction light, a 360-degree high-definition monitoring system and the like can be loaded on the equipment mounting platforms so as to realize the functions of air traffic control positioning, communication command and the like; a communication base station antenna, an ADS-B (Automatic Dependent Surveillance-Broadcast) antenna, an air traffic control multipoint positioning antenna, a phased array monitoring radar, a lightning rod and the like can be arranged on the equipment mounting rack on the extension rod at the top of the tower column; therefore, the unmanned control tower is reasonable in structure, rich in equipment, capable of effectively meeting the monitoring, communication and illumination requirements and convenient to maintain.

The utility model discloses a power transmission and distribution steel pipe pole with a hanging point, a treading point and a hanging point, which comprises a plurality of sections of power transmission pole bodies with flange plates at the end parts, a plurality of pedals are circumferentially and fixedly arranged on each section of power transmission pole body close to the flange plate, and the gap between two adjacent pedals is less than 5cm. The pedal comprises a connecting plate, a pedal plate and a reinforcing support, the inner end of the pedal plate is fixedly connected with the connecting plate, the outer end of the pedal plate is obliquely arranged upwards, the reinforcing support is located at the lower end of the pedal plate, the two ends of the reinforcing support are fixedly connected with the outer end of the pedal plate and the lower end of the connecting plate respectively, and a safety hanging buckle hanging space is formed between the reinforcing support and the connecting plate; the upper end of each section of power transmission pole body is further fixedly provided with a plurality of hoisting buckles which are distributed in the circumferential direction.

The box culvert structure for the water gate pump station comprises a box culvert body, the top end of the box culvert body is connected with a top block, the side walls of the two sides of the box culvert body are each connected with a plurality of sets of bottom blocks, the side walls of the box culvert body are provided with a ladder stand mechanism, a protection mechanism is installed on the ladder stand mechanism, and the top block and the bottom blocks are perpendicularly distributed. The pedal is square, a person can conveniently step on the pedal and is not prone to slipping, then the hand can grasp the round rods located on the two sides, the hand can conveniently grab the round rods without hurting the palm, and therefore the effect of climbing use is achieved, dust and sundries are conveniently pushed out from the side hole by means of the side hole flush with the top end of the pedal, and the safety of climbing is improved. Therefore, dust and sundries are prevented from being directly pushed out from the front, and the dust and the sundries are pushed to the body of a climber.

The utility model relates to the technical field of horizontal ladders, and discloses an adjustable insulating horizontal ladder which comprises a main ladder, adjusting grooves are formed in the two sides of the interior of the main ladder, auxiliary ladders are slidably connected to the interiors of the adjusting grooves, adjusting boxes are fixedly connected to the two ends of the main ladder, control grooves are formed in the two ends of each adjusting box, and the auxiliary ladders are slidably connected to the control grooves. A pushing block is slidably connected into the control groove, a penetrating groove is formed in the side, close to the auxiliary ladder, of the interior of the control groove, an inserting rod is fixedly connected to the side, close to the auxiliary ladder, of the pushing block, and a straight groove is formed in the side, close to the adjusting box, of the auxiliary ladder. According to the adjustable insulating horizontal ladder, a worker pushes a push block into a control groove, so that the push block drives an insertion rod to move and drives the insertion rod to relieve limitation between the insertion rod and an insertion groove, the worker adjusts the length of an auxiliary ladder according to working requirements, and the insertion rod is inserted into the insertion groove again to fix the position of the auxiliary ladder after the auxiliary ladder is adjusted to the suitable length; therefore, the adjusting effect is achieved.

A hydraulic foot assembly for supporting an object on a surface, the foot assembly comprising a cylinder defining an interior reservoir, a piston dividing the reservoir into two chambers in fluid communication with one another, the piston moveable within the reservoir, the position of the piston within the reservoir effecting the overall length of the foot assembly, a valve arrangement configured to limit movement of the piston within the reservoir.

The utility model discloses a detachable maintenance ladder for a closed cooling tower all-in-one machine, which comprises a mounting foot and a rubber pad, a mounting hole is arranged in the mounting foot, a powder box is arranged on the inner side of the mounting foot, a magnetic piece is arranged on the outer wall of the powder box, a ladder stand supporting rod is arranged at the upper end of the mounting foot, and a plurality of ladder stand supporting rods are arranged on the lower end of the ladder stand supporting rod. A crawling ladder transverse rod is fixed to the inner wall of the crawling ladder supporting rod, a crawling ladder handrail is fixed to the surface of the crawling ladder supporting rod, and the rubber pad is arranged on the outer wall of the crawling ladder transverse rod. According to the detachable maintenance ladder for the closed cooling tower all-in-one machine, the device can be conveniently connected with the ground through the mounting feet and the mounting holes, the powder box can be attached to the inner walls of the mounting feet through the magnetic attraction pieces, the powder box is limited, and anti-skid powder in the powder box can increase friction between the shoe sole of a worker and a ladder stand cross rod; the situation of foot slipping is effectively reduced, and the threaded connection between the threaded hole and the threaded rod facilitates assembling and positioning of the suction cup.

To reduce the number of people required for the work and to easily and safely perform the work of installing a wall-mounted panel. [Solution] A wall-mounted panel support device 10, including a panel support frame 14 on which a wall-mounted panel SB is placed and supported, is attached to the treads 22a, 22b of a stepladder 20 by a step bar attachment mechanism 17F, and the wall-mounted panel is held at the approximate height required for mounting to a wall W by the stepladder. The stepladder is slid on the floor surface F by a base slider 30 until the wall-mounted panel is moved to a position facing the wall closely, and the panel support frame is slid up and down by a panel jack mechanism 16J to fine-tune the height of the wall-mounted panel to match the height of the anchor bolts ab on the wall. The panel support frame is slid forward from the support device by slide rails 13L until the anchor bolts ab are inserted into the mounting holes in the wall-mounted panel and the wall-mounted panel is in close contact with the wall. The anchor bolts are then tightened and fixed with nuts.

The invention discloses a multipurpose curved and straight rescue ladder which comprises square-shaped units and fixing seats, the square-shaped units are laterally and rotatably connected to form a long-strip-shaped structure, the two ends of the long-strip-shaped structure are rotatably connected with the fixing seats, the fixing seats are used for being connected with the ground or objects to be fixed, and the long-strip-shaped structure extends to form a plane shape. Or extruding into an arch bridge shape. According to requirements of use scenes, quick conversion from a straight ladder to an arched ladder can be realized, so that the use requirements in complex rescue scenes such as wall crossing, river crossing, flame pit crossing, corrosive gas and liquid deposition areas and other disaster environments can be met, positive response and quick unfolding arrangement can be realized, and the practicability and convenience are greatly improved.

The utility model discloses a ladder stand for transformer maintenance, which relates to the technical field of transformers and comprises a first vertical rod, one side of the first vertical rod is fixedly connected with a plurality of cross rods, one side of each cross rod is fixedly connected with a second vertical rod, and the lower end of the first vertical rod and the lower end of the second vertical rod are movably connected with anti-skid devices. The upper end of the anti-skid device is fixedly connected with a conveying device, the rear ends of the tops of the first vertical rod and the second vertical rod are fixedly connected with a fixing plate, and the rear end of the fixing plate is fixedly connected with a fixing device. The contact area between the crawling ladder and the ground can be increased, friction force is increased to prevent the crawling ladder from sliding, the safety of workers is guaranteed, dangers are prevented, the workers do not need to carry a large number of maintenance tools, the burden of the workers is relieved, the upper end of the crawling ladder can be fixed to a telegraph pole, and the safety of the crawling ladder is improved; and the stability and the safety of the maintenance personnel during high-altitude operation are ensured.